zed: Add timeouts for feature flag resolution in workspace panel initialization (#22715)

This PR adds timeouts when resolving feature flags during workspace
panel initialization so that we don't block indefinitely if Zed is not
connected to the internet.

Right now we wait for 5 seconds, but this value was chosen arbitrarily.

Release Notes:

- N/A

.github/ISSUE_TEMPLATE/0_feature_request.yml

@@ -18,8 +18,11 @@ body:
   - type: textarea
     id: environment
     attributes:
-      label: Environment
-      description: Run the `copy system specs into clipboard` command palette action and paste the output in the field below. If you are unable to run the command, please include your Zed version and release channel, operating system and version, RAM amount, and architecture.
+      label: Zed Version and System Specs
+      description: Zed version, release channel, architecture (x86_64 or aarch64), OS (macOS version / Linux distro and version) and RAM amount.
+      placeholder: |
+        <!-- In Zed run `copy system specs into clipboard` from the Zed command palette and paste here. -->
+        <!-- Alternatively spawn `request feature` and this field will be autopopulated -->
     validations:
       required: true
   - type: textarea

.github/ISSUE_TEMPLATE/1_bug_report.yml

@@ -20,8 +20,13 @@ body:
   - type: textarea
     id: environment
     attributes:
-      label: Environment
-      description: Run the `copy system specs into clipboard` command palette action and paste the output in the field below. If you are unable to run the command, please include your Zed version and release channel, operating system and version, RAM amount, and architecture.
+      label: Zed Version and System Specs
+      description: Zed version, release channel, architecture (x86_64 or aarch64), OS (macOS version / Linux distro and version) and RAM amount.
+      placeholder: |
+        <!-- In Zed run `copy system specs into clipboard` from the Zed command palette and paste here. -->
+        <!-- Alternatively spawn `file bug report` and this field will be autopopulated -->
+        <!-- If Zed won't launch, include the equivalent with other relevant details (e.g. video card driver version for display bugs, etc) -->
+        <!-- Zed Version: 0.xxx.x; Channel: Stable, OS: macOS xx.xx, RAM: XXGB, Architecture: x86_64"
     validations:
       required: true
   - type: textarea

.github/workflows/ci.yml

@@ -7,14 +7,10 @@ on:
       - "v[0-9]+.[0-9]+.x"
     tags:
       - "v*"
-    paths-ignore:
-      - "docs/**"
   pull_request:
     branches:
       - "**"
-    paths-ignore:
-      - "docs/**/*"
-      - ".github/workflows/community_*"
+  merge_group:
 
 concurrency:
   # Allow only one workflow per any non-`main` branch.
@@ -28,6 +24,28 @@ env:
   RUSTFLAGS: "-D warnings"
 
 jobs:
+  check_docs_only:
+    runs-on: ubuntu-latest
+    outputs:
+      docs_only: ${{ steps.check_changes.outputs.docs_only }}
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        with:
+          fetch-depth: 0
+      - name: Check for non-docs changes
+        id: check_changes
+        run: |
+          if [ "${{ github.event_name }}" == "merge_group" ]; then
+            # When we're running in a merge queue, never assume that the changes
+            # are docs-only, as there could be other PRs in the group that
+            # contain non-docs changes.
+            echo "docs_only=false" >> $GITHUB_OUTPUT
+          elif git diff --name-only ${{ github.event.pull_request.base.sha }} ${{ github.sha }} | grep -qvE '^docs/'; then
+            echo "docs_only=false" >> $GITHUB_OUTPUT
+          else
+            echo "docs_only=true" >> $GITHUB_OUTPUT
+          fi
+
   migration_checks:
     name: Check Postgres and Protobuf migrations, mergability
     if: github.repository_owner == 'zed-industries'
@@ -81,6 +99,10 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
 
+      # To support writing comments that they will certainly be revisited.
+      - name: Check for todo​! and FIX​ME comments
+        run: script/check-todos
+
       - name: Run style checks
         uses: ./.github/actions/check_style
 
@@ -96,6 +118,7 @@ jobs:
     runs-on:
       - self-hosted
       - test
+    needs: check_docs_only
     steps:
       - name: Checkout repo
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
@@ -103,29 +126,35 @@ jobs:
           clean: false
 
       - name: cargo clippy
+        if: needs.check_docs_only.outputs.docs_only == 'false'
         run: ./script/clippy
 
       - name: Check unused dependencies
+        if: needs.check_docs_only.outputs.docs_only == 'false'
         uses: bnjbvr/cargo-machete@main
 
       - name: Check licenses
+        if: needs.check_docs_only.outputs.docs_only == 'false'
         run: |
           script/check-licenses
           script/generate-licenses /tmp/zed_licenses_output
 
       - name: Check for new vulnerable dependencies
-        if: github.event_name == 'pull_request'
+        if: github.event_name == 'pull_request' && needs.check_docs_only.outputs.docs_only == 'false'
         uses: actions/dependency-review-action@3b139cfc5fae8b618d3eae3675e383bb1769c019 # v4
         with:
           license-check: false
 
       - name: Run tests
+        if: needs.check_docs_only.outputs.docs_only == 'false'
         uses: ./.github/actions/run_tests
 
       - name: Build collab
+        if: needs.check_docs_only.outputs.docs_only == 'false'
         run: cargo build -p collab
 
       - name: Build other binaries and features
+        if: needs.check_docs_only.outputs.docs_only == 'false'
         run: |
           cargo build --workspace --bins --all-features
           cargo check -p gpui --features "macos-blade"
@@ -139,6 +168,7 @@ jobs:
     if: github.repository_owner == 'zed-industries'
     runs-on:
       - buildjet-16vcpu-ubuntu-2204
+    needs: check_docs_only
     steps:
       - name: Add Rust to the PATH
         run: echo "$HOME/.cargo/bin" >> $GITHUB_PATH
@@ -149,21 +179,26 @@ jobs:
           clean: false
 
       - name: Cache dependencies
-        uses: swatinem/rust-cache@82a92a6e8fbeee089604da2575dc567ae9ddeaab # v2
+        if: needs.check_docs_only.outputs.docs_only == 'false'
+        uses: swatinem/rust-cache@f0deed1e0edfc6a9be95417288c0e1099b1eeec3 # v2
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
           cache-provider: "buildjet"
 
       - name: Install Linux dependencies
+        if: needs.check_docs_only.outputs.docs_only == 'false'
         run: ./script/linux
 
       - name: cargo clippy
+        if: needs.check_docs_only.outputs.docs_only == 'false'
         run: ./script/clippy
 
       - name: Run tests
+        if: needs.check_docs_only.outputs.docs_only == 'false'
         uses: ./.github/actions/run_tests
 
       - name: Build other binaries and features
+        if: needs.check_docs_only.outputs.docs_only == 'false'
         run: |
           cargo build -p zed
           cargo check -p workspace
@@ -174,6 +209,7 @@ jobs:
     if: github.repository_owner == 'zed-industries'
     runs-on:
       - buildjet-16vcpu-ubuntu-2204
+    needs: check_docs_only
     steps:
       - name: Add Rust to the PATH
         run: echo "$HOME/.cargo/bin" >> $GITHUB_PATH
@@ -184,15 +220,18 @@ jobs:
           clean: false
 
       - name: Cache dependencies
-        uses: swatinem/rust-cache@82a92a6e8fbeee089604da2575dc567ae9ddeaab # v2
+        if: needs.check_docs_only.outputs.docs_only == 'false'
+        uses: swatinem/rust-cache@f0deed1e0edfc6a9be95417288c0e1099b1eeec3 # v2
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
           cache-provider: "buildjet"
 
       - name: Install Clang & Mold
+        if: needs.check_docs_only.outputs.docs_only == 'false'
         run: ./script/remote-server && ./script/install-mold 2.34.0
 
       - name: Build Remote Server
+        if: needs.check_docs_only.outputs.docs_only == 'false'
         run: cargo build -p remote_server
 
   # todo(windows): Actually run the tests
@@ -201,6 +240,7 @@ jobs:
     name: (Windows) Run Clippy and tests
     if: github.repository_owner == 'zed-industries'
     runs-on: hosted-windows-1
+    needs: check_docs_only
     steps:
       # more info here:- https://github.com/rust-lang/cargo/issues/13020
       - name: Enable longer pathnames for git
@@ -211,16 +251,19 @@ jobs:
           clean: false
 
       - name: Cache dependencies
-        uses: swatinem/rust-cache@82a92a6e8fbeee089604da2575dc567ae9ddeaab # v2
+        if: needs.check_docs_only.outputs.docs_only == 'false'
+        uses: swatinem/rust-cache@f0deed1e0edfc6a9be95417288c0e1099b1eeec3 # v2
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
           cache-provider: "github"
 
       - name: cargo clippy
+        if: needs.check_docs_only.outputs.docs_only == 'false'
         # Windows can't run shell scripts, so we need to use `cargo xtask`.
         run: cargo xtask clippy
 
       - name: Build Zed
+        if: needs.check_docs_only.outputs.docs_only == 'false'
         run: cargo build
 
   bundle-mac:
@@ -289,14 +332,14 @@ jobs:
           mv target/x86_64-apple-darwin/release/Zed.dmg target/x86_64-apple-darwin/release/Zed-x86_64.dmg
 
       - name: Upload app bundle (aarch64) to workflow run if main branch or specific label
-        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4
+        uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4
         if: ${{ github.ref == 'refs/heads/main' }} || contains(github.event.pull_request.labels.*.name, 'run-bundling') }}
         with:
           name: Zed_${{ github.event.pull_request.head.sha || github.sha }}-aarch64.dmg
           path: target/aarch64-apple-darwin/release/Zed-aarch64.dmg
 
       - name: Upload app bundle (x86_64) to workflow run if main branch or specific label
-        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4
+        uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4
         if: ${{ github.ref == 'refs/heads/main' }} || contains(github.event.pull_request.labels.*.name, 'run-bundling') }}
         with:
           name: Zed_${{ github.event.pull_request.head.sha || github.sha }}-x86_64.dmg
@@ -326,6 +369,8 @@ jobs:
     env:
       ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
       ZED_CLOUD_PROVIDER_ADDITIONAL_MODELS_JSON: ${{ secrets.ZED_CLOUD_PROVIDER_ADDITIONAL_MODELS_JSON }}
+      DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
+      DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
     steps:
       - name: Checkout repo
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
@@ -345,7 +390,7 @@ jobs:
         run: script/bundle-linux
 
       - name: Upload Linux bundle to workflow run if main branch or specific label
-        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4
+        uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4
         if: ${{ github.ref == 'refs/heads/main' }} || contains(github.event.pull_request.labels.*.name, 'run-bundling') }}
         with:
           name: zed-${{ github.event.pull_request.head.sha || github.sha }}-x86_64-unknown-linux-gnu.tar.gz
@@ -372,6 +417,8 @@ jobs:
     env:
       ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
       ZED_CLOUD_PROVIDER_ADDITIONAL_MODELS_JSON: ${{ secrets.ZED_CLOUD_PROVIDER_ADDITIONAL_MODELS_JSON }}
+      DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
+      DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
     steps:
       - name: Checkout repo
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
@@ -391,7 +438,7 @@ jobs:
         run: script/bundle-linux
 
       - name: Upload Linux bundle to workflow run if main branch or specific label
-        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4
+        uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4
         if: ${{ github.ref == 'refs/heads/main' }} || contains(github.event.pull_request.labels.*.name, 'run-bundling') }}
         with:
           name: zed-${{ github.event.pull_request.head.sha || github.sha }}-aarch64-unknown-linux-gnu.tar.gz

.github/workflows/community_release_actions.yml

@@ -18,7 +18,7 @@ jobs:
           fi
           echo "::set-output name=URL::$URL"
       - name: Get content
-        uses: 2428392/gh-truncate-string-action@e6b5885fb83c81ca9a700a91b079baec2133be3e # v1.4.0
+        uses: 2428392/gh-truncate-string-action@b3ff790d21cf42af3ca7579146eedb93c8fb0757 # v1.4.1
         id: get-content
         with:
           stringToTruncate: |

.github/workflows/docs.yml

@@ -7,6 +7,7 @@ on:
   push:
     branches:
       - main
+  merge_group:
 
 jobs:
   check_formatting:

.github/workflows/publish_extension_cli.yml

@@ -21,7 +21,7 @@ jobs:
           clean: false
 
       - name: Cache dependencies
-        uses: swatinem/rust-cache@82a92a6e8fbeee089604da2575dc567ae9ddeaab # v2
+        uses: swatinem/rust-cache@f0deed1e0edfc6a9be95417288c0e1099b1eeec3 # v2
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
           cache-provider: "github"

Cargo.toml

@@ -149,12 +149,9 @@ members = [
     # Extensions
     #
 
-    "extensions/astro",
-    "extensions/clojure",
     "extensions/csharp",
     "extensions/deno",
     "extensions/elixir",
-    "extensions/elm",
     "extensions/emmet",
     "extensions/erlang",
     "extensions/glsl",
@@ -337,7 +334,7 @@ zeta = { path = "crates/zeta" }
 #
 
 aho-corasick = "1.1"
-alacritty_terminal = { git = "https://github.com/alacritty/alacritty", rev = "91d034ff8b53867143c005acfaa14609147c9a2c" }
+alacritty_terminal = "0.24"
 any_vec = "0.14"
 anyhow = "1.0.86"
 arrayvec = { version = "0.7.4", features = ["serde"] }
@@ -355,13 +352,13 @@ async-watch = "0.3.1"
 async_zip = { version = "0.0.17", features = ["deflate", "deflate64"] }
 base64 = "0.22"
 bitflags = "2.6.0"
-blade-graphics = { git = "https://github.com/kvark/blade", rev = "e142a3a5e678eb6a13e642ad8401b1f3aa38e969" }
-blade-macros = { git = "https://github.com/kvark/blade", rev = "e142a3a5e678eb6a13e642ad8401b1f3aa38e969" }
-blade-util = { git = "https://github.com/kvark/blade", rev = "e142a3a5e678eb6a13e642ad8401b1f3aa38e969" }
+blade-graphics = { git = "https://github.com/kvark/blade", rev = "091a8401033847bb9b6ace3fcf70448d069621c5" }
+blade-macros = { git = "https://github.com/kvark/blade", rev = "091a8401033847bb9b6ace3fcf70448d069621c5" }
+blade-util = { git = "https://github.com/kvark/blade", rev = "091a8401033847bb9b6ace3fcf70448d069621c5" }
 blake3 = "1.5.3"
 bytes = "1.0"
 cargo_metadata = "0.19"
-cargo_toml = "0.20"
+cargo_toml = "0.21"
 chrono = { version = "0.4", features = ["serde"] }
 clap = { version = "4.4", features = ["derive"] }
 cocoa = "0.26"
@@ -385,14 +382,14 @@ futures-lite = "1.13"
 git2 = { version = "0.19", default-features = false }
 globset = "0.4"
 handlebars = "4.3"
-heed = { version = "0.20.1", features = ["read-txn-no-tls"] }
+heed = { version = "0.21.0", features = ["read-txn-no-tls"] }
 hex = "0.4.3"
 html5ever = "0.27.0"
 hyper = "0.14"
 http = "1.1"
 ignore = "0.4.22"
 image = "0.25.1"
-indexmap = { version = "1.6.2", features = ["serde"] }
+indexmap = { version = "2.7.0", features = ["serde"] }
 indoc = "2"
 itertools = "0.13.0"
 jsonwebtoken = "9.3"
@@ -401,14 +398,13 @@ jupyter-websocket-client = { version = "0.8.0" }
 libc = "0.2"
 libsqlite3-sys = { version = "0.30.1", features = ["bundled"] }
 linkify = "0.10.0"
-livekit = { git = "https://github.com/zed-industries/rust-sdks", rev="799f10133d93ba2a88642cd480d01ec4da53408c", features = ["dispatcher", "services-dispatcher", "rustls-tls-native-roots"], default-features = false }
+livekit = { git = "https://github.com/zed-industries/livekit-rust-sdks", rev="060964da10574cd9bf06463a53bf6e0769c5c45e", features = ["dispatcher", "services-dispatcher", "rustls-tls-native-roots"], default-features = false }
 log = { version = "0.4.16", features = ["kv_unstable_serde", "serde"] }
 markup5ever_rcdom = "0.3.0"
 nanoid = "0.4"
 nbformat = { version = "0.9.0" }
 nix = "0.29"
 num-format = "0.4.4"
-once_cell = "1.19.0"
 ordered-float = "2.1.1"
 palette = { version = "0.7.5", default-features = false, features = ["std"] }
 parking_lot = "0.12.1"
@@ -444,9 +440,10 @@ runtimelib = { version = "0.24.0", default-features = false, features = [
 ] }
 rustc-demangle = "0.1.23"
 rust-embed = { version = "8.4", features = ["include-exclude"] }
+rustc-hash = "2.1.0"
 rustls = "0.21.12"
 rustls-native-certs = "0.8.0"
-schemars = { version = "0.8", features = ["impl_json_schema"] }
+schemars = { version = "0.8", features = ["impl_json_schema", "indexmap2"] }
 semver = "1.0"
 serde = { version = "1.0", features = ["derive", "rc"] }
 serde_derive = { version = "1.0", features = ["deserialize_in_place"] }
@@ -466,13 +463,13 @@ smallvec = { version = "1.6", features = ["union"] }
 smol = "1.2"
 sqlformat = "0.2"
 strsim = "0.11"
-strum = { version = "0.25.0", features = ["derive"] }
+strum = { version = "0.26.0", features = ["derive"] }
 subtle = "2.5.0"
 sys-locale = "0.3.1"
 sysinfo = "0.31.0"
 tempfile = "3.9.0"
 thiserror = "1.0.29"
-tiktoken-rs = "0.5.9"
+tiktoken-rs = "0.6.0"
 time = { version = "0.3", features = [
     "macros",
     "parsing",
@@ -498,7 +495,7 @@ tree-sitter-heex = { git = "https://github.com/zed-industries/tree-sitter-heex",
 tree-sitter-diff = "0.1.0"
 tree-sitter-html = "0.20"
 tree-sitter-jsdoc = "0.23"
-tree-sitter-json = "0.23"
+tree-sitter-json = "0.24"
 tree-sitter-md = { git = "https://github.com/tree-sitter-grammars/tree-sitter-markdown", rev = "9a23c1a96c0513d8fc6520972beedd419a973539" }
 tree-sitter-python = "0.23"
 tree-sitter-regex = "0.23"
@@ -525,6 +522,7 @@ wasmtime-wasi = "24"
 which = "6.0.0"
 wit-component = "0.201"
 zstd = "0.11"
+metal = "0.30"
 
 [workspace.dependencies.async-stripe]
 git = "https://github.com/zed-industries/async-stripe"

assets/icons/file_icons/css.svg

@@ -1,3 +1,3 @@
 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
-    <path d="M11.7633 4.2078H4.23674L4.3551 5.5189H10.1429L9.99592 6.87645H6.20408L6.33877 8.16255H9.86939L9.66122 9.92379L8 10.3275L6.3102 9.92021L6.20408 8.86633H4.7102L4.87755 10.7955L8 11.6457L11.0694 10.8812L11.7633 4.2078ZM2 2H14L12.9061 12.7818L7.98775 14L3.09388 12.7818L2 2Z" fill="black"/>
+<path fill-rule="evenodd" clip-rule="evenodd" d="M12.58 2H2.5V12.08C2.5 12.5892 2.70229 13.0776 3.06235 13.4376C3.42242 13.7977 3.91078 14 4.42 14H12.58C13.0892 14 13.5776 13.7977 13.9376 13.4376C14.2977 13.0776 14.5 12.5892 14.5 12.08V3.92C14.5 3.41078 14.2977 2.92242 13.9376 2.56235C13.5776 2.20229 13.0892 2 12.58 2ZM3.358 11.6285C3.34615 12.6668 3.96437 13.2311 4.96636 13.232H4.96621C6.06429 13.2456 6.70951 12.4798 6.63088 11.3867H5.48085C5.4899 11.601 5.47243 11.8974 5.36026 12.0313C5.27992 12.1441 5.16183 12.2005 5.00645 12.2005C4.67402 12.1952 4.50788 11.9534 4.50788 11.4753V9.19488C4.50788 8.94247 4.54407 8.75168 4.61645 8.62283C4.73423 8.38524 5.17961 8.3584 5.34825 8.58663C5.47804 8.71252 5.48974 9.04683 5.48101 9.26757H6.63104C6.66099 8.70582 6.53494 8.10381 6.20079 7.80913C5.65853 7.23521 4.37403 7.26765 3.82039 7.80102C3.51213 8.07495 3.358 8.47525 3.358 9.00159V11.6285ZM7.04116 11.3867C7.01043 12.4573 7.50713 13.2473 8.61739 13.232L8.61723 13.2317C10.1571 13.2967 10.5874 11.592 9.96023 10.4759C9.74995 10.1097 9.16994 9.80702 8.71379 9.62981C8.36155 9.46772 8.21038 9.3086 8.20711 8.92079C8.20711 8.55559 8.35983 8.37291 8.66543 8.37291C8.83688 8.37291 8.95357 8.42939 9.01519 8.54217C9.10317 8.6754 9.12454 9.0409 9.11565 9.26742H10.1612C10.1866 8.71627 10.0554 8.11739 9.75509 7.81303C9.26822 7.22257 7.99791 7.24909 7.5115 7.82504C7.0109 8.29179 6.97783 9.4437 7.3346 9.96848C7.49278 10.205 7.75143 10.409 8.1107 10.5809C8.15897 10.6051 8.21552 10.6314 8.27633 10.6598C8.53247 10.7792 8.86416 10.9338 8.97119 11.1046C9.16073 11.3241 9.13593 11.8913 9.00333 12.0877C8.9336 12.1952 8.81285 12.2489 8.64141 12.2489C8.25703 12.2785 8.09666 11.8534 8.12677 11.3867H7.04116ZM10.5474 11.3867C10.5167 12.4573 11.0134 13.2473 12.1236 13.232L12.1235 13.2317C13.6634 13.2967 14.0936 11.592 13.4665 10.4759C13.2562 10.1097 12.6762 9.80702 12.2201 9.62981C11.8678 9.46772 11.7166 9.3086 11.7134 8.92079C11.7134 8.55559 11.8661 8.37291 12.1717 8.37291C12.3431 8.37291 12.4598 8.42939 12.5214 8.54217C12.6094 8.6754 12.6308 9.0409 12.6219 9.26742H13.6674C13.6928 8.71627 13.5617 8.11739 13.2614 7.81303C12.7745 7.22257 11.5042 7.24909 11.0178 7.82504C10.5172 8.29179 10.4841 9.4437 10.8409 9.96848C10.999 10.205 11.2577 10.409 11.617 10.5809C11.6652 10.6051 11.7218 10.6314 11.7826 10.6598C12.0387 10.7792 12.3704 10.9338 12.4775 11.1046C12.667 11.3241 12.6422 11.8913 12.5096 12.0877C12.4399 12.1952 12.3191 12.2489 12.1477 12.2489C11.7633 12.2785 11.6029 11.8534 11.633 11.3867H10.5474Z" fill="black"/>
 </svg>

assets/icons/file_search.svg

@@ -1 +1,5 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-file-search"><path d="M14 2v4a2 2 0 0 0 2 2h4"/><path d="M4.268 21a2 2 0 0 0 1.727 1H18a2 2 0 0 0 2-2V7l-5-5H6a2 2 0 0 0-2 2v3"/><path d="m9 18-1.5-1.5"/><circle cx="5" cy="14" r="3"/></svg>
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M5.2345 20.1C5.38772 20.373 5.60794 20.5998 5.87313 20.7577C6.13832 20.9157 6.43919 20.9992 6.74562 21H17.25C17.7141 21 18.1592 20.8104 18.4874 20.4728C18.8156 20.1352 19 19.6774 19 19.2V7.5L14.625 3H6.75C6.28587 3 5.84075 3.18964 5.51256 3.52721C5.18437 3.86477 5 4.32261 5 4.8V6.5" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M10 16.8182L8.5 15.3182" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M6 15.8182C7.65685 15.8182 9 14.475 9 12.8182C9 11.1613 7.65685 9.81818 6 9.81818C4.34315 9.81818 3 11.1613 3 12.8182C3 14.475 4.34315 15.8182 6 15.8182Z" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>

assets/icons/zed_assistant_2.svg

@@ -0,0 +1,5 @@
+<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M5.27772 1.38585L4.39187 4.07909C4.34653 4.21692 4.26946 4.34219 4.16685 4.44479C4.06425 4.5474 3.93898 4.62447 3.80115 4.66981L1.10791 5.55566L3.80115 6.44151C3.93898 6.48685 4.06425 6.56392 4.16685 6.66653C4.26946 6.76913 4.34653 6.8944 4.39187 7.03223L5.27772 9.72547L6.16357 7.03223C6.20891 6.8944 6.28598 6.76913 6.38859 6.66653C6.49119 6.56392 6.61646 6.48685 6.7543 6.44151L9.44753 5.55566L6.7543 4.66981C6.61646 4.62447 6.49119 4.5474 6.38859 4.44479C6.28598 4.34219 6.20891 4.21692 6.16357 4.07909L5.27772 1.38585Z" fill="black" fill-opacity="0.15" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M8.35938 12.3555C8.35938 12.0664 8.52734 11.8086 9.00781 11.3594L10.2031 10.2344C10.6094 9.85156 10.7891 9.60156 10.7891 9.34375C10.7891 9.05469 10.5781 8.85938 10.2734 8.85938C10.0391 8.85938 9.87109 8.95312 9.66406 9.21094C9.42578 9.50781 9.25391 9.60938 8.99219 9.60938C8.61719 9.60938 8.35156 9.35938 8.35156 9.01172C8.35156 8.25 9.26953 7.57812 10.3594 7.57812C11.4961 7.57812 12.3438 8.26172 12.3438 9.17969C12.3438 9.75391 12.0391 10.3008 11.418 10.8516L10.4961 11.6719V11.7344H11.8047C12.2578 11.7344 12.5391 11.9766 12.5391 12.3711C12.5391 12.7656 12.2656 13 11.8047 13H9.08203C8.65234 13 8.35938 12.7383 8.35938 12.3555Z" fill="black"/>
+<path d="M11.0834 1.38585V3.71918M9.91675 2.55248H12.2501" stroke="black" stroke-opacity="0.75" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>

assets/keymaps/default-linux.json

@@ -172,6 +172,7 @@
     "context": "AssistantPanel",
     "bindings": {
       "ctrl-k c": "assistant::CopyCode",
+      "ctrl-shift-e": "project_panel::ToggleFocus",
       "ctrl-g": "search::SelectNextMatch",
       "ctrl-shift-g": "search::SelectPrevMatch",
       "ctrl-shift-m": "assistant::ToggleModelSelector",
@@ -260,6 +261,8 @@
       "ctrl-f4": "pane::CloseActiveItem",
       "alt-ctrl-t": ["pane::CloseInactiveItems", { "close_pinned": false }],
       "alt-ctrl-shift-w": "workspace::CloseInactiveTabsAndPanes",
+      "ctrl-k e": ["pane::CloseItemsToTheLeft", { "close_pinned": false }],
+      "ctrl-k t": ["pane::CloseItemsToTheRight", { "close_pinned": false }],
       "ctrl-k u": ["pane::CloseCleanItems", { "close_pinned": false }],
       "ctrl-k w": ["pane::CloseAllItems", { "close_pinned": false }],
       "ctrl-shift-f": "project_search::ToggleFocus",
@@ -375,6 +378,7 @@
       // Change the default action on `menu::Confirm` by setting the parameter
       // "alt-ctrl-o": ["projects::OpenRecent", { "create_new_window": true }],
       "alt-ctrl-o": "projects::OpenRecent",
+      "alt-ctrl-shift-o": "projects::OpenRemote",
       "alt-ctrl-shift-b": "branches::OpenRecent",
       "ctrl-~": "workspace::NewTerminal",
       "ctrl-s": "workspace::Save",
@@ -408,7 +412,7 @@
       "ctrl-shift-p": "command_palette::Toggle",
       "f1": "command_palette::Toggle",
       "ctrl-shift-m": "diagnostics::Deploy",
-      "ctrl-shift-e": "pane::RevealInProjectPanel",
+      "ctrl-shift-e": "project_panel::ToggleFocus",
       "ctrl-shift-b": "outline_panel::ToggleFocus",
       "ctrl-?": "assistant::ToggleFocus",
       "ctrl-alt-s": "workspace::SaveAll",
@@ -432,6 +436,13 @@
       // "foo-bar": ["task::Spawn", { "task_name": "MyTask", "reveal_target": "dock" }]
     }
   },
+  {
+    "context": "ApplicationMenu",
+    "bindings": {
+      "left": ["app_menu::NavigateApplicationMenuInDirection", "Left"],
+      "right": ["app_menu::NavigateApplicationMenuInDirection", "Right"]
+    }
+  },
   // Bindings from Sublime Text
   {
     "context": "Editor",
@@ -522,6 +533,7 @@
       "alt-enter": "editor::OpenExcerpts",
       "shift-enter": "editor::ExpandExcerpts",
       "ctrl-k enter": "editor::OpenExcerptsSplit",
+      "ctrl-shift-e": "pane::RevealInProjectPanel",
       "ctrl-f8": "editor::GoToHunk",
       "ctrl-shift-f8": "editor::GoToPrevHunk",
       "ctrl-enter": "assistant::InlineAssist"
@@ -602,7 +614,6 @@
       "ctrl-delete": ["project_panel::Delete", { "skip_prompt": false }],
       "alt-ctrl-r": "project_panel::RevealInFileManager",
       "ctrl-shift-enter": "project_panel::OpenWithSystem",
-      "ctrl-shift-e": "project_panel::ToggleFocus",
       "ctrl-shift-f": "project_panel::NewSearchInDirectory",
       "shift-down": "menu::SelectNext",
       "shift-up": "menu::SelectPrev",

assets/keymaps/default-macos.json

@@ -196,6 +196,7 @@
     "use_key_equivalents": true,
     "bindings": {
       "cmd-k c": "assistant::CopyCode",
+      "cmd-shift-e": "project_panel::ToggleFocus",
       "cmd-g": "search::SelectNextMatch",
       "cmd-shift-g": "search::SelectPrevMatch",
       "cmd-shift-m": "assistant::ToggleModelSelector",
@@ -327,6 +328,8 @@
       "cmd-w": "pane::CloseActiveItem",
       "alt-cmd-t": ["pane::CloseInactiveItems", { "close_pinned": false }],
       "ctrl-alt-cmd-w": "workspace::CloseInactiveTabsAndPanes",
+      "cmd-k e": ["pane::CloseItemsToTheLeft", { "close_pinned": false }],
+      "cmd-k t": ["pane::CloseItemsToTheRight", { "close_pinned": false }],
       "cmd-k u": ["pane::CloseCleanItems", { "close_pinned": false }],
       "cmd-k cmd-w": ["pane::CloseAllItems", { "close_pinned": false }],
       "cmd-f": "project_search::ToggleFocus",
@@ -448,7 +451,6 @@
       "cmd-s": "workspace::Save",
       "cmd-k s": "workspace::SaveWithoutFormat",
       "cmd-shift-s": "workspace::SaveAs",
-      "cmd-n": "workspace::NewFile",
       "cmd-shift-n": "workspace::NewWindow",
       "ctrl-`": "terminal_panel::ToggleFocus",
       "cmd-1": ["workspace::ActivatePane", 0],
@@ -474,7 +476,7 @@
       "ctrl-shift-tab": ["tab_switcher::Toggle", { "select_last": true }],
       "cmd-shift-p": "command_palette::Toggle",
       "cmd-shift-m": "diagnostics::Deploy",
-      "cmd-shift-e": "pane::RevealInProjectPanel",
+      "cmd-shift-e": "project_panel::ToggleFocus",
       "cmd-shift-b": "outline_panel::ToggleFocus",
       "cmd-?": "assistant::ToggleFocus",
       "cmd-alt-s": "workspace::SaveAll",
@@ -495,6 +497,7 @@
     "context": "Workspace && !Terminal",
     "use_key_equivalents": true,
     "bindings": {
+      "cmd-n": "workspace::NewFile",
       "cmd-shift-r": "task::Spawn",
       "cmd-alt-r": "task::Rerun",
       "ctrl-alt-shift-r": ["task::Spawn", { "reveal_target": "center" }]
@@ -593,6 +596,7 @@
       "alt-enter": "editor::OpenExcerpts",
       "shift-enter": "editor::ExpandExcerpts",
       "cmd-k enter": "editor::OpenExcerptsSplit",
+      "cmd-shift-e": "pane::RevealInProjectPanel",
       "cmd-f8": "editor::GoToHunk",
       "cmd-shift-f8": "editor::GoToPrevHunk",
       "ctrl-enter": "assistant::InlineAssist"
@@ -661,7 +665,6 @@
       "cmd-delete": ["project_panel::Delete", { "skip_prompt": false }],
       "alt-cmd-r": "project_panel::RevealInFileManager",
       "ctrl-shift-enter": "project_panel::OpenWithSystem",
-      "cmd-shift-e": "project_panel::ToggleFocus",
       "cmd-alt-backspace": ["project_panel::Delete", { "skip_prompt": false }],
       "cmd-shift-f": "project_panel::NewSearchInDirectory",
       "shift-down": "menu::SelectNext",
@@ -761,6 +764,7 @@
       "cmd-v": "terminal::Paste",
       "cmd-a": "editor::SelectAll",
       "cmd-k": "terminal::Clear",
+      "cmd-n": "workspace::NewTerminal",
       "ctrl-enter": "assistant::InlineAssist",
       // Some nice conveniences
       "cmd-backspace": ["terminal::SendText", "\u0015"],

assets/keymaps/linux/emacs.json

@@ -4,55 +4,70 @@
 // from the command palette.
 [
   {
-    "context": "Editor",
     "bindings": {
-      "ctrl-g": "editor::Cancel",
-      "ctrl-shift-g": "go_to_line::Toggle",
-      //"ctrl-space": "editor::SetMark",
-      "ctrl-x u": "editor::Undo",
-      "ctrl-x ctrl-u": "editor::Redo",
-      "ctrl-f": "editor::MoveRight",
-      "ctrl-b": "editor::MoveLeft",
-      "ctrl-n": "editor::MoveDown",
-      "ctrl-p": "editor::MoveUp",
-      "home": ["editor::MoveToBeginningOfLine", { "stop_at_soft_wraps": false }],
-      "end": ["editor::MoveToEndOfLine", { "stop_at_soft_wraps": false }],
-      "ctrl-a": ["editor::MoveToBeginningOfLine", { "stop_at_soft_wraps": false }],
-      "ctrl-e": ["editor::MoveToEndOfLine", { "stop_at_soft_wraps": false }],
-      "alt-f": "editor::MoveToNextSubwordEnd",
-      "alt-b": "editor::MoveToPreviousSubwordStart",
-      "ctrl-d": "editor::Delete",
-      "alt-d": "editor::DeleteToNextWordEnd",
-      "ctrl-k": "editor::CutToEndOfLine",
-      "ctrl-w": "editor::Cut",
-      "alt-w": "editor::Copy",
-      "ctrl-y": "editor::Paste",
-      "ctrl-_": "editor::Undo",
-      "ctrl-v": "editor::MovePageDown",
-      "alt-v": "editor::MovePageUp",
-      "ctrl-x ]": "editor::MoveToEnd",
-      "ctrl-x [": "editor::MoveToBeginning",
-      "ctrl-l": "editor::ScrollCursorCenterTopBottom",
-      "ctrl-s": "buffer_search::Deploy",
-      "ctrl-x ctrl-f": "file_finder::Toggle",
-      "ctrl-shift-r": "editor::Rename"
+      "ctrl-g": "menu::Cancel"
     }
   },
   {
-    "context": "Workspace",
+    "context": "Editor",
     "bindings": {
-      "ctrl-x k": "pane::CloseActiveItem",
-      "ctrl-x ctrl-c": "workspace::CloseWindow",
-      "ctrl-x o": "workspace::ActivateNextPane",
-      "ctrl-x b": "tab_switcher::Toggle",
-      "ctrl-x 0": "pane::CloseActiveItem",
-      "ctrl-x 1": "pane::CloseInactiveItems",
-      "ctrl-x 2": "pane::SplitVertical",
-      "ctrl-x ctrl-f": "file_finder::Toggle",
-      "ctrl-x ctrl-s": "workspace::Save",
-      "ctrl-x ctrl-w": "workspace::SaveAs",
-      "ctrl-x s": "workspace::SaveAll",
-      "shift shift": "file_finder::Toggle"
+      "ctrl-g": "editor::Cancel",
+      "ctrl-x b": "tab_switcher::Toggle", // switch-to-buffer
+      "alt-g g": "go_to_line::Toggle", // goto-line
+      "alt-g alt-g": "go_to_line::Toggle", // goto-line
+      //"ctrl-space": "editor::SetMark",
+      "ctrl-f": "editor::MoveRight", // forward-char
+      "ctrl-b": "editor::MoveLeft", // backward-char
+      "ctrl-n": "editor::MoveDown", // next-line
+      "ctrl-p": "editor::MoveUp", // previous-line
+      "home": ["editor::MoveToBeginningOfLine", { "stop_at_soft_wraps": false }], // move-beginning-of-line
+      "end": ["editor::MoveToEndOfLine", { "stop_at_soft_wraps": false }], // move-end-of-line
+      "ctrl-a": ["editor::MoveToBeginningOfLine", { "stop_at_soft_wraps": false }], // move-beginning-of-line
+      "ctrl-e": ["editor::MoveToEndOfLine", { "stop_at_soft_wraps": false }], // move-end-of-line
+      "alt-f": "editor::MoveToNextSubwordEnd", // forward-word
+      "alt-b": "editor::MoveToPreviousSubwordStart", // backward-word
+      "alt-u": "editor::ConvertToUpperCase", // upcase-word
+      "alt-l": "editor::ConvertToLowerCase", // downcase-word
+      "alt-c": "editor::ConvertToUpperCamelCase", // capitalize-word
+      "alt-;": ["editor::ToggleComments", { "advance_downwards": false }],
+      "ctrl-x ctrl-;": "editor::ToggleComments",
+      "alt-.": "editor::GoToDefinition", // xref-find-definitions
+      "alt-,": "pane::GoBack", // xref-pop-marker-stack
+      "ctrl-x h": "editor::SelectAll", // mark-whole-buffer
+      "ctrl-d": "editor::Delete", // delete-char
+      "alt-d": "editor::DeleteToNextWordEnd", // kill-word
+      "ctrl-k": "editor::KillRingCut", // kill-line
+      "ctrl-w": "editor::Cut", // kill-region
+      "alt-w": "editor::Copy", // kill-ring-save
+      "ctrl-y": "editor::KillRingYank", // yank
+      "ctrl-_": "editor::Undo", // undo
+      "ctrl-/": "editor::Undo", // undo
+      "ctrl-x u": "editor::Undo", // undo
+      "ctrl-v": "editor::MovePageDown", // scroll-up
+      "alt-v": "editor::MovePageUp", // scroll-down
+      "ctrl-x [": "editor::MoveToBeginning", // beginning-of-buffer
+      "ctrl-x ]": "editor::MoveToEnd", // end-of-buffer
+      "alt-<": "editor::MoveToBeginning", // beginning-of-buffer
+      "alt->": "editor::MoveToEnd", // end-of-buffer
+      "ctrl-l": "editor::ScrollCursorCenterTopBottom", // recenter-top-bottom
+      "ctrl-s": "buffer_search::Deploy", // isearch-forward
+      "alt-^": "editor::JoinLines" // join-line
+    }
+  },
+  {
+    "context": "Workspace && !Terminal",
+    "bindings": {
+      "ctrl-x ctrl-c": "workspace::CloseWindow", // kill-emacs
+      "ctrl-x o": "workspace::ActivateNextPane", // other-window
+      "ctrl-x k": "pane::CloseActiveItem", // kill-buffer
+      "ctrl-x 0": "pane::CloseActiveItem", // delete-window
+      "ctrl-x 1": "pane::CloseInactiveItems", // delete-other-windows
+      "ctrl-x 2": "pane::SplitDown", // split-window-below
+      "ctrl-x 3": "pane::SplitRight", // split-window-right
+      "ctrl-x ctrl-f": "file_finder::Toggle", // find-file
+      "ctrl-x ctrl-s": "workspace::Save", // save-buffer
+      "ctrl-x ctrl-w": "workspace::SaveAs", // write-file
+      "ctrl-x s": "workspace::SaveAll" // save-some-buffers
     }
   },
   {

assets/keymaps/macos/emacs.json

@@ -4,55 +4,70 @@
 // from the command palette.
 [
   {
-    "context": "Editor",
     "bindings": {
-      "ctrl-g": "editor::Cancel",
-      "ctrl-shift-g": "go_to_line::Toggle",
-      //"ctrl-space": "editor::SetMark",
-      "ctrl-x u": "editor::Undo",
-      "ctrl-x ctrl-u": "editor::Redo",
-      "ctrl-f": "editor::MoveRight",
-      "ctrl-b": "editor::MoveLeft",
-      "ctrl-n": "editor::MoveDown",
-      "ctrl-p": "editor::MoveUp",
-      "home": ["editor::MoveToBeginningOfLine", { "stop_at_soft_wraps": false }],
-      "end": ["editor::MoveToEndOfLine", { "stop_at_soft_wraps": false }],
-      "ctrl-a": ["editor::MoveToBeginningOfLine", { "stop_at_soft_wraps": false }],
-      "ctrl-e": ["editor::MoveToEndOfLine", { "stop_at_soft_wraps": false }],
-      "alt-f": "editor::MoveToNextSubwordEnd",
-      "alt-b": "editor::MoveToPreviousSubwordStart",
-      "ctrl-d": "editor::Delete",
-      "alt-d": "editor::DeleteToNextWordEnd",
-      "ctrl-k": "editor::CutToEndOfLine",
-      "ctrl-w": "editor::Cut",
-      "alt-w": "editor::Copy",
-      "ctrl-y": "editor::Paste",
-      "ctrl-_": "editor::Undo",
-      "ctrl-v": "editor::MovePageDown",
-      "alt-v": "editor::MovePageUp",
-      "ctrl-x ]": "editor::MoveToEnd",
-      "ctrl-x [": "editor::MoveToBeginning",
-      "ctrl-l": "editor::ScrollCursorCenterTopBottom",
-      "ctrl-s": "buffer_search::Deploy",
-      "ctrl-x ctrl-f": "file_finder::Toggle",
-      "ctrl-shift-r": "editor::Rename"
+      "ctrl-g": "menu::Cancel"
     }
   },
   {
-    "context": "Workspace",
+    "context": "Editor",
     "bindings": {
-      "ctrl-x k": "pane::CloseActiveItem",
-      "ctrl-x ctrl-c": "workspace::CloseWindow",
-      "ctrl-x o": "workspace::ActivateNextPane",
-      "ctrl-x b": "tab_switcher::Toggle",
-      "ctrl-x 0": "pane::CloseActiveItem",
-      "ctrl-x 1": "pane::CloseInactiveItems",
-      "ctrl-x 2": "pane::SplitVertical",
-      "ctrl-x ctrl-f": "file_finder::Toggle",
-      "ctrl-x ctrl-s": "workspace::Save",
-      "ctrl-x ctrl-w": "workspace::SaveAs",
-      "ctrl-x s": "workspace::SaveAll",
-      "shift shift": "file_finder::Toggle"
+      "ctrl-g": "editor::Cancel",
+      "ctrl-x b": "tab_switcher::Toggle", // switch-to-buffer
+      "alt-g g": "go_to_line::Toggle", // goto-line
+      "alt-g alt-g": "go_to_line::Toggle", // goto-line
+      //"ctrl-space": "editor::SetMark",
+      "ctrl-f": "editor::MoveRight", // forward-char
+      "ctrl-b": "editor::MoveLeft", // backward-char
+      "ctrl-n": "editor::MoveDown", // next-line
+      "ctrl-p": "editor::MoveUp", // previous-line
+      "home": ["editor::MoveToBeginningOfLine", { "stop_at_soft_wraps": false }], // move-beginning-of-line
+      "end": ["editor::MoveToEndOfLine", { "stop_at_soft_wraps": false }], // move-end-of-line
+      "ctrl-a": ["editor::MoveToBeginningOfLine", { "stop_at_soft_wraps": false }], // move-beginning-of-line
+      "ctrl-e": ["editor::MoveToEndOfLine", { "stop_at_soft_wraps": false }], // move-end-of-line
+      "alt-f": "editor::MoveToNextSubwordEnd", // forward-word
+      "alt-b": "editor::MoveToPreviousSubwordStart", // backward-word
+      "alt-u": "editor::ConvertToUpperCase", // upcase-word
+      "alt-l": "editor::ConvertToLowerCase", // downcase-word
+      "alt-c": "editor::ConvertToUpperCamelCase", // capitalize-word
+      "alt-;": ["editor::ToggleComments", { "advance_downwards": false }],
+      "ctrl-x ctrl-;": "editor::ToggleComments",
+      "alt-.": "editor::GoToDefinition", // xref-find-definitions
+      "alt-,": "pane::GoBack", // xref-pop-marker-stack
+      "ctrl-x h": "editor::SelectAll", // mark-whole-buffer
+      "ctrl-d": "editor::Delete", // delete-char
+      "alt-d": "editor::DeleteToNextWordEnd", // kill-word
+      "ctrl-k": "editor::KillRingCut", // kill-line
+      "ctrl-w": "editor::Cut", // kill-region
+      "alt-w": "editor::Copy", // kill-ring-save
+      "ctrl-y": "editor::KillRingYank", // yank
+      "ctrl-_": "editor::Undo", // undo
+      "ctrl-/": "editor::Undo", // undo
+      "ctrl-x u": "editor::Undo", // undo
+      "ctrl-v": "editor::MovePageDown", // scroll-up
+      "alt-v": "editor::MovePageUp", // scroll-down
+      "ctrl-x [": "editor::MoveToBeginning", // beginning-of-buffer
+      "ctrl-x ]": "editor::MoveToEnd", // end-of-buffer
+      "alt-<": "editor::MoveToBeginning", // beginning-of-buffer
+      "alt->": "editor::MoveToEnd", // end-of-buffer
+      "ctrl-l": "editor::ScrollCursorCenterTopBottom", // recenter-top-bottom
+      "ctrl-s": "buffer_search::Deploy", // isearch-forward
+      "alt-^": "editor::JoinLines" // join-line
+    }
+  },
+  {
+    "context": "Workspace && !Terminal",
+    "bindings": {
+      "ctrl-x ctrl-c": "workspace::CloseWindow", // kill-emacs
+      "ctrl-x o": "workspace::ActivateNextPane", // other-window
+      "ctrl-x k": "pane::CloseActiveItem", // kill-buffer
+      "ctrl-x 0": "pane::CloseActiveItem", // delete-window
+      "ctrl-x 1": "pane::CloseInactiveItems", // delete-other-windows
+      "ctrl-x 2": "pane::SplitDown", // split-window-below
+      "ctrl-x 3": "pane::SplitRight", // split-window-right
+      "ctrl-x ctrl-f": "file_finder::Toggle", // find-file
+      "ctrl-x ctrl-s": "workspace::Save", // save-buffer
+      "ctrl-x ctrl-w": "workspace::SaveAs", // write-file
+      "ctrl-x s": "workspace::SaveAll" // save-some-buffers
     }
   },
   {

assets/keymaps/vim.json

@@ -230,8 +230,8 @@
       "ctrl-pageup": "pane::ActivatePrevItem",
       "insert": "vim::InsertBefore",
       // tree-sitter related commands
-      "[ x": "editor::SelectLargerSyntaxNode",
-      "] x": "editor::SelectSmallerSyntaxNode",
+      "[ x": "vim::SelectLargerSyntaxNode",
+      "] x": "vim::SelectSmallerSyntaxNode",
       "] d": "editor::GoToDiagnostic",
       "[ d": "editor::GoToPrevDiagnostic",
       "] c": "editor::GoToHunk",

assets/settings/default.json

@@ -160,6 +160,9 @@
   /// Whether to show the signature help after completion or a bracket pair inserted.
   /// If `auto_signature_help` is enabled, this setting will be treated as enabled also.
   "show_signature_help_after_edits": false,
+  /// Whether to show the inline completions next to the completions provided by a language server.
+  /// Only has an effect if inline completion provider supports it.
+  "show_inline_completions_in_menu": true,
   // Whether to show wrap guides (vertical rulers) in the editor.
   // Setting this to true will show a guide at the 'preferred_line_length' value
   // if 'soft_wrap' is set to 'preferred_line_length', and will show any
@@ -253,8 +256,13 @@
     "search_results": true,
     // Whether to show selected symbol occurrences in the scrollbar.
     "selected_symbol": true,
-    // Whether to show diagnostic indicators in the scrollbar.
-    "diagnostics": true,
+    // Which diagnostic indicators to show in the scrollbar:
+    //  - "none" or false: do not show diagnostics
+    //  - "error": show only errors
+    //  - "warning": show only errors and warnings
+    //  - "information": show only errors, warnings, and information
+    //  - "all" or true: show all diagnostics
+    "diagnostics": "all",
     /// Forcefully enable or disable the scrollbar for each axis
     "axes": {
       /// When false, forcefully disables the horizontal scrollbar. Otherwise, obey other settings.
@@ -478,8 +486,10 @@
     "default_width": 240
   },
   "chat_panel": {
-    // Whether to show the chat panel button in the status bar.
-    "button": true,
+    // When to show the chat panel button in the status bar.
+    // Can be 'never', 'always', or 'when_in_call',
+    // or a boolean (interpreted as 'never'/'always').
+    "button": "when_in_call",
     // Where to the chat panel. Can be 'left' or 'right'.
     "dock": "right",
     // Default width of the chat panel.
@@ -736,7 +746,7 @@
       // Delay is restarted with every cursor movement.
       // "delay_ms": 600
       //
-      // Whether or not do display the git commit summary on the same line.
+      // Whether or not to display the git commit summary on the same line.
       // "show_commit_summary": false
       //
       // The minimum column number to show the inline blame information at
@@ -1098,6 +1108,9 @@
       "prettier": {
         "allowed": true
       }
+    },
+    "Zig": {
+      "language_servers": ["zls", "..."]
     }
   },
   // Different settings for specific language models.

crates/anthropic/src/anthropic.rs

@@ -30,6 +30,8 @@ pub enum Model {
     #[default]
     #[serde(rename = "claude-3-5-sonnet", alias = "claude-3-5-sonnet-latest")]
     Claude3_5Sonnet,
+    #[serde(rename = "claude-3-5-haiku", alias = "claude-3-5-haiku-latest")]
+    Claude3_5Haiku,
     #[serde(rename = "claude-3-opus", alias = "claude-3-opus-latest")]
     Claude3Opus,
     #[serde(rename = "claude-3-sonnet", alias = "claude-3-sonnet-latest")]
@@ -48,6 +50,8 @@ pub enum Model {
         cache_configuration: Option<AnthropicModelCacheConfiguration>,
         max_output_tokens: Option<u32>,
         default_temperature: Option<f32>,
+        #[serde(default)]
+        extra_beta_headers: Vec<String>,
     },
 }
 
@@ -55,6 +59,8 @@ impl Model {
     pub fn from_id(id: &str) -> Result<Self> {
         if id.starts_with("claude-3-5-sonnet") {
             Ok(Self::Claude3_5Sonnet)
+        } else if id.starts_with("claude-3-5-haiku") {
+            Ok(Self::Claude3_5Haiku)
         } else if id.starts_with("claude-3-opus") {
             Ok(Self::Claude3Opus)
         } else if id.starts_with("claude-3-sonnet") {
@@ -69,6 +75,7 @@ impl Model {
     pub fn id(&self) -> &str {
         match self {
             Model::Claude3_5Sonnet => "claude-3-5-sonnet-latest",
+            Model::Claude3_5Haiku => "claude-3-5-haiku-latest",
             Model::Claude3Opus => "claude-3-opus-latest",
             Model::Claude3Sonnet => "claude-3-sonnet-latest",
             Model::Claude3Haiku => "claude-3-haiku-latest",
@@ -79,6 +86,7 @@ impl Model {
     pub fn display_name(&self) -> &str {
         match self {
             Self::Claude3_5Sonnet => "Claude 3.5 Sonnet",
+            Self::Claude3_5Haiku => "Claude 3.5 Haiku",
             Self::Claude3Opus => "Claude 3 Opus",
             Self::Claude3Sonnet => "Claude 3 Sonnet",
             Self::Claude3Haiku => "Claude 3 Haiku",
@@ -90,11 +98,13 @@ impl Model {
 
     pub fn cache_configuration(&self) -> Option<AnthropicModelCacheConfiguration> {
         match self {
-            Self::Claude3_5Sonnet | Self::Claude3Haiku => Some(AnthropicModelCacheConfiguration {
-                min_total_token: 2_048,
-                should_speculate: true,
-                max_cache_anchors: 4,
-            }),
+            Self::Claude3_5Sonnet | Self::Claude3_5Haiku | Self::Claude3Haiku => {
+                Some(AnthropicModelCacheConfiguration {
+                    min_total_token: 2_048,
+                    should_speculate: true,
+                    max_cache_anchors: 4,
+                })
+            }
             Self::Custom {
                 cache_configuration,
                 ..
@@ -106,6 +116,7 @@ impl Model {
     pub fn max_token_count(&self) -> usize {
         match self {
             Self::Claude3_5Sonnet
+            | Self::Claude3_5Haiku
             | Self::Claude3Opus
             | Self::Claude3Sonnet
             | Self::Claude3Haiku => 200_000,
@@ -116,7 +127,7 @@ impl Model {
     pub fn max_output_tokens(&self) -> u32 {
         match self {
             Self::Claude3Opus | Self::Claude3Sonnet | Self::Claude3Haiku => 4_096,
-            Self::Claude3_5Sonnet => 8_192,
+            Self::Claude3_5Sonnet | Self::Claude3_5Haiku => 8_192,
             Self::Custom {
                 max_output_tokens, ..
             } => max_output_tokens.unwrap_or(4_096),
@@ -126,6 +137,7 @@ impl Model {
     pub fn default_temperature(&self) -> f32 {
         match self {
             Self::Claude3_5Sonnet
+            | Self::Claude3_5Haiku
             | Self::Claude3Opus
             | Self::Claude3Sonnet
             | Self::Claude3Haiku => 1.0,
@@ -136,6 +148,24 @@ impl Model {
         }
     }
 
+    pub fn beta_headers(&self) -> String {
+        let mut headers = vec!["prompt-caching-2024-07-31".to_string()];
+
+        if let Self::Custom {
+            extra_beta_headers, ..
+        } = self
+        {
+            headers.extend(
+                extra_beta_headers
+                    .iter()
+                    .filter(|header| !header.trim().is_empty())
+                    .cloned(),
+            );
+        }
+
+        headers.join(",")
+    }
+
     pub fn tool_model_id(&self) -> &str {
         if let Self::Custom {
             tool_override: Some(tool_override),
@@ -156,11 +186,12 @@ pub async fn complete(
     request: Request,
 ) -> Result<Response, AnthropicError> {
     let uri = format!("{api_url}/v1/messages");
+    let model = Model::from_id(&request.model)?;
     let request_builder = HttpRequest::builder()
         .method(Method::POST)
         .uri(uri)
         .header("Anthropic-Version", "2023-06-01")
-        .header("Anthropic-Beta", "prompt-caching-2024-07-31")
+        .header("Anthropic-Beta", model.beta_headers())
         .header("X-Api-Key", api_key)
         .header("Content-Type", "application/json");
 
@@ -271,14 +302,12 @@ pub async fn stream_completion_with_rate_limit_info(
         stream: true,
     };
     let uri = format!("{api_url}/v1/messages");
+    let model = Model::from_id(&request.base.model)?;
     let request_builder = HttpRequest::builder()
         .method(Method::POST)
         .uri(uri)
         .header("Anthropic-Version", "2023-06-01")
-        .header(
-            "Anthropic-Beta",
-            "tools-2024-04-04,prompt-caching-2024-07-31,max-tokens-3-5-sonnet-2024-07-15",
-        )
+        .header("Anthropic-Beta", model.beta_headers())
         .header("X-Api-Key", api_key)
         .header("Content-Type", "application/json");
     let serialized_request =

crates/assistant/src/assistant.rs

@@ -37,7 +37,7 @@ pub use prompts::PromptBuilder;
 use prompts::PromptLoadingParams;
 use semantic_index::{CloudEmbeddingProvider, SemanticDb};
 use serde::{Deserialize, Serialize};
-use settings::{update_settings_file, Settings, SettingsStore};
+use settings::{Settings, SettingsStore};
 use slash_command::search_command::SearchSlashCommandFeatureFlag;
 use slash_command::{
     auto_command, cargo_workspace_command, default_command, delta_command, diagnostics_command,
@@ -199,16 +199,6 @@ pub fn init(
     AssistantSettings::register(cx);
     SlashCommandSettings::register(cx);
 
-    // TODO: remove this when 0.148.0 is released.
-    if AssistantSettings::get_global(cx).using_outdated_settings_version {
-        update_settings_file::<AssistantSettings>(fs.clone(), cx, {
-            let fs = fs.clone();
-            |content, cx| {
-                content.update_file(fs, cx);
-            }
-        });
-    }
-
     cx.spawn(|mut cx| {
         let client = client.clone();
         async move {

crates/assistant/src/assistant_panel.rs

@@ -122,7 +122,7 @@ pub fn init(cx: &mut AppContext) {
     cx.observe_new_views(
         |terminal_panel: &mut TerminalPanel, cx: &mut ViewContext<TerminalPanel>| {
             let settings = AssistantSettings::get_global(cx);
-            terminal_panel.asssistant_enabled(settings.enabled, cx);
+            terminal_panel.set_assistant_enabled(settings.enabled, cx);
         },
     )
     .detach();
@@ -1458,6 +1458,10 @@ impl Panel for AssistantPanel {
     fn toggle_action(&self) -> Box<dyn Action> {
         Box::new(ToggleFocus)
     }
+
+    fn activation_priority(&self) -> u32 {
+        4
+    }
 }
 
 impl EventEmitter<PanelEvent> for AssistantPanel {}
@@ -1556,6 +1560,7 @@ impl ContextEditor {
             let mut editor = Editor::for_buffer(context.read(cx).buffer().clone(), None, cx);
             editor.set_soft_wrap_mode(SoftWrap::EditorWidth, cx);
             editor.set_show_line_numbers(false, cx);
+            editor.set_show_scrollbars(false, cx);
             editor.set_show_git_diff_gutter(false, cx);
             editor.set_show_code_actions(false, cx);
             editor.set_show_runnables(false, cx);
@@ -4965,8 +4970,8 @@ fn fold_toggle(
 ) -> impl Fn(
     MultiBufferRow,
     bool,
-    Arc<dyn Fn(bool, &mut WindowContext<'_>) + Send + Sync>,
-    &mut WindowContext<'_>,
+    Arc<dyn Fn(bool, &mut WindowContext) + Send + Sync>,
+    &mut WindowContext,
 ) -> AnyElement {
     move |row, is_folded, fold, _cx| {
         Disclosure::new((name, row.0 as u64), !is_folded)

crates/assistant/src/assistant_settings.rs

@@ -3,18 +3,12 @@ use std::sync::Arc;
 use ::open_ai::Model as OpenAiModel;
 use anthropic::Model as AnthropicModel;
 use feature_flags::FeatureFlagAppExt;
-use fs::Fs;
 use gpui::{AppContext, Pixels};
 use language_model::{CloudModel, LanguageModel};
-use language_models::{
-    provider::open_ai, AllLanguageModelSettings, AnthropicSettingsContent,
-    AnthropicSettingsContentV1, OllamaSettingsContent, OpenAiSettingsContent,
-    OpenAiSettingsContentV1, VersionedAnthropicSettingsContent, VersionedOpenAiSettingsContent,
-};
 use ollama::Model as OllamaModel;
 use schemars::{schema::Schema, JsonSchema};
 use serde::{Deserialize, Serialize};
-use settings::{update_settings_file, Settings, SettingsSources};
+use settings::{Settings, SettingsSources};
 
 #[derive(Copy, Clone, Default, Debug, Serialize, Deserialize, JsonSchema)]
 #[serde(rename_all = "snake_case")]
@@ -106,96 +100,6 @@ impl AssistantSettingsContent {
         }
     }
 
-    pub fn update_file(&mut self, fs: Arc<dyn Fs>, cx: &AppContext) {
-        if let AssistantSettingsContent::Versioned(settings) = self {
-            if let VersionedAssistantSettingsContent::V1(settings) = settings {
-                if let Some(provider) = settings.provider.clone() {
-                    match provider {
-                        AssistantProviderContentV1::Anthropic { api_url, .. } => {
-                            update_settings_file::<AllLanguageModelSettings>(
-                                fs,
-                                cx,
-                                move |content, _| {
-                                    if content.anthropic.is_none() {
-                                        content.anthropic =
-                                            Some(AnthropicSettingsContent::Versioned(
-                                                VersionedAnthropicSettingsContent::V1(
-                                                    AnthropicSettingsContentV1 {
-                                                        api_url,
-                                                        available_models: None,
-                                                    },
-                                                ),
-                                            ));
-                                    }
-                                },
-                            )
-                        }
-                        AssistantProviderContentV1::Ollama { api_url, .. } => {
-                            update_settings_file::<AllLanguageModelSettings>(
-                                fs,
-                                cx,
-                                move |content, _| {
-                                    if content.ollama.is_none() {
-                                        content.ollama = Some(OllamaSettingsContent {
-                                            api_url,
-                                            available_models: None,
-                                        });
-                                    }
-                                },
-                            )
-                        }
-                        AssistantProviderContentV1::OpenAi {
-                            api_url,
-                            available_models,
-                            ..
-                        } => update_settings_file::<AllLanguageModelSettings>(
-                            fs,
-                            cx,
-                            move |content, _| {
-                                if content.openai.is_none() {
-                                    let available_models = available_models.map(|models| {
-                                        models
-                                            .into_iter()
-                                            .filter_map(|model| match model {
-                                                OpenAiModel::Custom {
-                                                    name,
-                                                    display_name,
-                                                    max_tokens,
-                                                    max_output_tokens,
-                                                    max_completion_tokens: None,
-                                                } => Some(open_ai::AvailableModel {
-                                                    name,
-                                                    display_name,
-                                                    max_tokens,
-                                                    max_output_tokens,
-                                                    max_completion_tokens: None,
-                                                }),
-                                                _ => None,
-                                            })
-                                            .collect::<Vec<_>>()
-                                    });
-                                    content.openai = Some(OpenAiSettingsContent::Versioned(
-                                        VersionedOpenAiSettingsContent::V1(
-                                            OpenAiSettingsContentV1 {
-                                                api_url,
-                                                available_models,
-                                            },
-                                        ),
-                                    ));
-                                }
-                            },
-                        ),
-                        _ => {}
-                    }
-                }
-            }
-        }
-
-        *self = AssistantSettingsContent::Versioned(VersionedAssistantSettingsContent::V2(
-            self.upgrade(),
-        ));
-    }
-
     fn upgrade(&self) -> AssistantSettingsContentV2 {
         match self {
             AssistantSettingsContent::Versioned(settings) => match settings {
@@ -534,6 +438,7 @@ fn merge<T>(target: &mut T, value: Option<T>) {
 
 #[cfg(test)]
 mod tests {
+    use fs::Fs;
     use gpui::{ReadGlobal, TestAppContext};
 
     use super::*;

crates/assistant/src/context_store.rs

@@ -22,6 +22,7 @@ use paths::contexts_dir;
 use project::Project;
 use regex::Regex;
 use rpc::AnyProtoClient;
+use std::sync::LazyLock;
 use std::{
     cmp::Reverse,
     ffi::OsStr,
@@ -753,8 +754,8 @@ impl ContextStore {
                     continue;
                 }
 
-                let pattern = r" - \d+.zed.json$";
-                let re = Regex::new(pattern).unwrap();
+                static ASSISTANT_CONTEXT_REGEX: LazyLock<Regex> =
+                    LazyLock::new(|| Regex::new(r" - \d+.zed.json$").unwrap());
 
                 let metadata = fs.metadata(&path).await?;
                 if let Some((file_name, metadata)) = path
@@ -763,11 +764,15 @@ impl ContextStore {
                     .zip(metadata)
                 {
                     // This is used to filter out contexts saved by the new assistant.
-                    if !re.is_match(file_name) {
+                    if !ASSISTANT_CONTEXT_REGEX.is_match(file_name) {
                         continue;
                     }
 
-                    if let Some(title) = re.replace(file_name, "").lines().next() {
+                    if let Some(title) = ASSISTANT_CONTEXT_REGEX
+                        .replace(file_name, "")
+                        .lines()
+                        .next()
+                    {
                         contexts.push(SavedContextMetadata {
                             title: title.to_string(),
                             path,

crates/assistant/src/inline_assistant.rs

@@ -133,7 +133,7 @@ impl InlineAssistant {
             };
             let enabled = AssistantSettings::get_global(cx).enabled;
             terminal_panel.update(cx, |terminal_panel, cx| {
-                terminal_panel.asssistant_enabled(enabled, cx)
+                terminal_panel.set_assistant_enabled(enabled, cx)
             });
         })
         .detach();
@@ -797,10 +797,11 @@ impl InlineAssistant {
             if let Some(model) = LanguageModelRegistry::read_global(cx).active_model() {
                 let language_name = assist.editor.upgrade().and_then(|editor| {
                     let multibuffer = editor.read(cx).buffer().read(cx);
-                    let ranges = multibuffer.range_to_buffer_ranges(assist.range.clone(), cx);
+                    let multibuffer_snapshot = multibuffer.snapshot(cx);
+                    let ranges = multibuffer_snapshot.range_to_buffer_ranges(assist.range.clone());
                     ranges
                         .first()
-                        .and_then(|(buffer, _, _)| buffer.read(cx).language())
+                        .and_then(|(excerpt, _)| excerpt.buffer().language())
                         .map(|language| language.name())
                 });
                 report_assistant_event(
@@ -2615,26 +2616,29 @@ impl EventEmitter<CodegenEvent> for CodegenAlternative {}
 
 impl CodegenAlternative {
     pub fn new(
-        buffer: Model<MultiBuffer>,
+        multi_buffer: Model<MultiBuffer>,
         range: Range<Anchor>,
         active: bool,
         telemetry: Option<Arc<Telemetry>>,
         builder: Arc<PromptBuilder>,
         cx: &mut ModelContext<Self>,
     ) -> Self {
-        let snapshot = buffer.read(cx).snapshot(cx);
+        let snapshot = multi_buffer.read(cx).snapshot(cx);
 
-        let (old_buffer, _, _) = buffer
-            .read(cx)
-            .range_to_buffer_ranges(range.clone(), cx)
+        let (old_excerpt, _) = snapshot
+            .range_to_buffer_ranges(range.clone())
             .pop()
             .unwrap();
         let old_buffer = cx.new_model(|cx| {
-            let old_buffer = old_buffer.read(cx);
-            let text = old_buffer.as_rope().clone();
-            let line_ending = old_buffer.line_ending();
-            let language = old_buffer.language().cloned();
-            let language_registry = old_buffer.language_registry();
+            let text = old_excerpt.buffer().as_rope().clone();
+            let line_ending = old_excerpt.buffer().line_ending();
+            let language = old_excerpt.buffer().language().cloned();
+            let language_registry = multi_buffer
+                .read(cx)
+                .buffer(old_excerpt.buffer_id())
+                .unwrap()
+                .read(cx)
+                .language_registry();
 
             let mut buffer = Buffer::local_normalized(text, line_ending, cx);
             buffer.set_language(language, cx);
@@ -2645,7 +2649,7 @@ impl CodegenAlternative {
         });
 
         Self {
-            buffer: buffer.clone(),
+            buffer: multi_buffer.clone(),
             old_buffer,
             edit_position: None,
             message_id: None,
@@ -2656,7 +2660,7 @@ impl CodegenAlternative {
             generation: Task::ready(()),
             diff: Diff::default(),
             telemetry,
-            _subscription: cx.subscribe(&buffer, Self::handle_buffer_event),
+            _subscription: cx.subscribe(&multi_buffer, Self::handle_buffer_event),
             builder,
             active,
             edits: Vec::new(),
@@ -2867,10 +2871,11 @@ impl CodegenAlternative {
         let telemetry = self.telemetry.clone();
         let language_name = {
             let multibuffer = self.buffer.read(cx);
-            let ranges = multibuffer.range_to_buffer_ranges(self.range.clone(), cx);
+            let snapshot = multibuffer.snapshot(cx);
+            let ranges = snapshot.range_to_buffer_ranges(self.range.clone());
             ranges
                 .first()
-                .and_then(|(buffer, _, _)| buffer.read(cx).language())
+                .and_then(|(excerpt, _)| excerpt.buffer().language())
                 .map(|language| language.name())
         };
 

crates/assistant/src/slash_command.rs

@@ -149,6 +149,7 @@ impl SlashCommandCompletionProvider {
                             server_id: LanguageServerId(0),
                             lsp_completion: Default::default(),
                             confirm,
+                            resolved: true,
                         })
                     })
                     .collect()
@@ -242,6 +243,7 @@ impl SlashCommandCompletionProvider {
                             server_id: LanguageServerId(0),
                             lsp_completion: Default::default(),
                             confirm,
+                            resolved: true,
                         }
                     })
                     .collect())
@@ -330,16 +332,6 @@ impl CompletionProvider for SlashCommandCompletionProvider {
         Task::ready(Ok(true))
     }
 
-    fn apply_additional_edits_for_completion(
-        &self,
-        _: Model<Buffer>,
-        _: project::Completion,
-        _: bool,
-        _: &mut ViewContext<Editor>,
-    ) -> Task<Result<Option<language::Transaction>>> {
-        Task::ready(Ok(None))
-    }
-
     fn is_completion_trigger(
         &self,
         buffer: &Model<Buffer>,

crates/assistant/src/slash_command/auto_command.rs

@@ -5,7 +5,7 @@ use assistant_slash_command::{
 };
 use feature_flags::FeatureFlag;
 use futures::StreamExt;
-use gpui::{AppContext, AsyncAppContext, Task, WeakView};
+use gpui::{AppContext, AsyncAppContext, AsyncWindowContext, Task, WeakView, WindowContext};
 use language::{CodeLabel, LspAdapterDelegate};
 use language_model::{
     LanguageModelCompletionEvent, LanguageModelRegistry, LanguageModelRequest,
@@ -14,7 +14,7 @@ use language_model::{
 use semantic_index::{FileSummary, SemanticDb};
 use smol::channel;
 use std::sync::{atomic::AtomicBool, Arc};
-use ui::{prelude::*, BorrowAppContext, WindowContext};
+use ui::{prelude::*, BorrowAppContext};
 use util::ResultExt;
 use workspace::Workspace;
 
@@ -115,7 +115,7 @@ impl SlashCommand for AutoCommand {
             return Task::ready(Err(anyhow!("no project indexer")));
         };
 
-        let task = cx.spawn(|cx: gpui::AsyncWindowContext| async move {
+        let task = cx.spawn(|cx: AsyncWindowContext| async move {
             let summaries = project_index
                 .read_with(&cx, |project_index, cx| project_index.all_summaries(cx))?
                 .await?;

crates/assistant/src/slash_command/tab_command.rs

@@ -281,7 +281,7 @@ fn tab_items_for_queries(
 
 fn active_item_buffer(
     workspace: &mut Workspace,
-    cx: &mut ui::ViewContext<Workspace>,
+    cx: &mut ViewContext<Workspace>,
 ) -> anyhow::Result<BufferSnapshot> {
     let active_editor = workspace
         .active_item(cx)

crates/assistant/src/slash_command_picker.rs

@@ -27,8 +27,8 @@ enum SlashCommandEntry {
     Info(SlashCommandInfo),
     Advert {
         name: SharedString,
-        renderer: fn(&mut WindowContext<'_>) -> AnyElement,
-        on_confirm: fn(&mut WindowContext<'_>),
+        renderer: fn(&mut WindowContext) -> AnyElement,
+        on_confirm: fn(&mut WindowContext),
     },
 }
 

crates/assistant2/src/active_thread.rs

@@ -3,8 +3,9 @@ use std::sync::Arc;
 use assistant_tool::ToolWorkingSet;
 use collections::HashMap;
 use gpui::{
-    list, AnyElement, AppContext, Empty, ListAlignment, ListState, Model, StyleRefinement,
-    Subscription, TextStyleRefinement, View, WeakView,
+    list, AbsoluteLength, AnyElement, AppContext, DefiniteLength, EdgesRefinement, Empty, Length,
+    ListAlignment, ListOffset, ListState, Model, StyleRefinement, Subscription,
+    TextStyleRefinement, UnderlineStyle, View, WeakView,
 };
 use language::LanguageRegistry;
 use language_model::Role;
@@ -21,7 +22,7 @@ pub struct ActiveThread {
     workspace: WeakView<Workspace>,
     language_registry: Arc<LanguageRegistry>,
     tools: Arc<ToolWorkingSet>,
-    thread: Model<Thread>,
+    pub(crate) thread: Model<Thread>,
     messages: Vec<MessageId>,
     list_state: ListState,
     rendered_messages_by_id: HashMap<MessageId, View<Markdown>>,
@@ -89,10 +90,11 @@ impl ActiveThread {
         self.list_state.splice(old_len..old_len, 1);
 
         let theme_settings = ThemeSettings::get_global(cx);
+        let colors = cx.theme().colors();
         let ui_font_size = TextSize::Default.rems(cx);
-        let buffer_font_size = theme_settings.buffer_font_size;
-
+        let buffer_font_size = TextSize::Small.rems(cx);
         let mut text_style = cx.text_style();
+
         text_style.refine(&TextStyleRefinement {
             font_family: Some(theme_settings.ui_font.family.clone()),
             font_size: Some(ui_font_size.into()),
@@ -105,6 +107,26 @@ impl ActiveThread {
             syntax: cx.theme().syntax().clone(),
             selection_background_color: cx.theme().players().local().selection,
             code_block: StyleRefinement {
+                margin: EdgesRefinement {
+                    top: Some(Length::Definite(rems(1.0).into())),
+                    left: Some(Length::Definite(rems(0.).into())),
+                    right: Some(Length::Definite(rems(0.).into())),
+                    bottom: Some(Length::Definite(rems(1.).into())),
+                },
+                padding: EdgesRefinement {
+                    top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
+                    left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
+                    right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
+                    bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
+                },
+                background: Some(colors.editor_foreground.opacity(0.01).into()),
+                border_color: Some(colors.border_variant.opacity(0.3)),
+                border_widths: EdgesRefinement {
+                    top: Some(AbsoluteLength::Pixels(Pixels(1.0))),
+                    left: Some(AbsoluteLength::Pixels(Pixels(1.))),
+                    right: Some(AbsoluteLength::Pixels(Pixels(1.))),
+                    bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
+                },
                 text: Some(TextStyleRefinement {
                     font_family: Some(theme_settings.buffer_font.family.clone()),
                     font_size: Some(buffer_font_size.into()),
@@ -114,8 +136,17 @@ impl ActiveThread {
             },
             inline_code: TextStyleRefinement {
                 font_family: Some(theme_settings.buffer_font.family.clone()),
-                font_size: Some(ui_font_size.into()),
-                background_color: Some(cx.theme().colors().editor_background),
+                font_size: Some(buffer_font_size.into()),
+                background_color: Some(colors.editor_foreground.opacity(0.01)),
+                ..Default::default()
+            },
+            link: TextStyleRefinement {
+                background_color: Some(colors.editor_foreground.opacity(0.025)),
+                underline: Some(UnderlineStyle {
+                    color: Some(colors.text_accent.opacity(0.5)),
+                    thickness: px(1.),
+                    ..Default::default()
+                }),
                 ..Default::default()
             },
             ..Default::default()
@@ -131,6 +162,10 @@ impl ActiveThread {
             )
         });
         self.rendered_messages_by_id.insert(*id, markdown);
+        self.list_state.scroll_to(ListOffset {
+            item_ix: old_len,
+            offset_in_item: Pixels(0.0),
+        });
     }
 
     fn handle_thread_event(
@@ -204,11 +239,12 @@ impl ActiveThread {
         };
 
         let context = self.thread.read(cx).context_for_message(message_id);
+        let colors = cx.theme().colors();
 
-        let (role_icon, role_name) = match message.role {
-            Role::User => (IconName::Person, "You"),
-            Role::Assistant => (IconName::ZedAssistant, "Assistant"),
-            Role::System => (IconName::Settings, "System"),
+        let (role_icon, role_name, role_color) = match message.role {
+            Role::User => (IconName::Person, "You", Color::Muted),
+            Role::Assistant => (IconName::ZedAssistant, "Assistant", Color::Accent),
+            Role::System => (IconName::Settings, "System", Color::Default),
         };
 
         div()
@@ -218,36 +254,44 @@ impl ActiveThread {
             .child(
                 v_flex()
                     .border_1()
-                    .border_color(cx.theme().colors().border)
-                    .bg(cx.theme().colors().editor_background)
+                    .border_color(colors.border_variant)
+                    .bg(colors.editor_background)
                     .rounded_md()
                     .child(
                         h_flex()
-                            .justify_between()
-                            .py_1()
-                            .px_2()
+                            .py_1p5()
+                            .px_2p5()
                             .border_b_1()
-                            .border_color(cx.theme().colors().border_variant)
+                            .border_color(colors.border_variant)
+                            .justify_between()
                             .child(
                                 h_flex()
                                     .gap_1p5()
                                     .child(
                                         Icon::new(role_icon)
                                             .size(IconSize::XSmall)
-                                            .color(Color::Muted),
+                                            .color(role_color),
                                     )
-                                    .child(Label::new(role_name).size(LabelSize::XSmall)),
+                                    .child(
+                                        Label::new(role_name)
+                                            .size(LabelSize::XSmall)
+                                            .color(role_color),
+                                    ),
                             ),
                     )
-                    .child(v_flex().px_2().py_1().text_ui(cx).child(markdown.clone()))
+                    .child(div().p_2p5().text_ui(cx).child(markdown.clone()))
                     .when_some(context, |parent, context| {
-                        parent.child(
-                            h_flex().flex_wrap().gap_2().p_1p5().children(
-                                context
-                                    .iter()
-                                    .map(|context| ContextPill::new(context.clone())),
-                            ),
-                        )
+                        if !context.is_empty() {
+                            parent.child(
+                                h_flex().flex_wrap().gap_1().px_1p5().pb_1p5().children(
+                                    context
+                                        .iter()
+                                        .map(|context| ContextPill::new(context.clone())),
+                                ),
+                            )
+                        } else {
+                            parent
+                        }
                     }),
             )
             .into_any()

crates/assistant2/src/assistant.rs

@@ -1,14 +1,18 @@
 mod active_thread;
+mod assistant_model_selector;
 mod assistant_panel;
 mod assistant_settings;
+mod buffer_codegen;
 mod context;
 mod context_picker;
 mod context_store;
 mod context_strip;
 mod inline_assistant;
+mod inline_prompt_editor;
 mod message_editor;
 mod prompts;
 mod streaming_diff;
+mod terminal_codegen;
 mod terminal_inline_assistant;
 mod thread;
 mod thread_history;

crates/assistant2/src/assistant_model_selector.rs

@@ -0,0 +1,85 @@
+use fs::Fs;
+use gpui::View;
+use language_model::LanguageModelRegistry;
+use language_model_selector::{LanguageModelSelector, LanguageModelSelectorPopoverMenu};
+use settings::update_settings_file;
+use std::sync::Arc;
+use ui::{prelude::*, ButtonLike, PopoverMenuHandle, Tooltip};
+
+use crate::{assistant_settings::AssistantSettings, ToggleModelSelector};
+
+pub struct AssistantModelSelector {
+    selector: View<LanguageModelSelector>,
+    menu_handle: PopoverMenuHandle<LanguageModelSelector>,
+}
+
+impl AssistantModelSelector {
+    pub(crate) fn new(
+        fs: Arc<dyn Fs>,
+        menu_handle: PopoverMenuHandle<LanguageModelSelector>,
+        cx: &mut WindowContext,
+    ) -> Self {
+        Self {
+            selector: cx.new_view(|cx| {
+                let fs = fs.clone();
+                LanguageModelSelector::new(
+                    move |model, cx| {
+                        update_settings_file::<AssistantSettings>(
+                            fs.clone(),
+                            cx,
+                            move |settings, _cx| settings.set_model(model.clone()),
+                        );
+                    },
+                    cx,
+                )
+            }),
+            menu_handle,
+        }
+    }
+}
+
+impl Render for AssistantModelSelector {
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
+        let active_model = LanguageModelRegistry::read_global(cx).active_model();
+        let focus_handle = self.selector.focus_handle(cx).clone();
+
+        LanguageModelSelectorPopoverMenu::new(
+            self.selector.clone(),
+            ButtonLike::new("active-model")
+                .style(ButtonStyle::Subtle)
+                .child(
+                    h_flex()
+                        .w_full()
+                        .gap_0p5()
+                        .child(
+                            div()
+                                .overflow_x_hidden()
+                                .flex_grow()
+                                .whitespace_nowrap()
+                                .child(match active_model {
+                                    Some(model) => h_flex()
+                                        .child(
+                                            Label::new(model.name().0)
+                                                .size(LabelSize::Small)
+                                                .color(Color::Muted),
+                                        )
+                                        .into_any_element(),
+                                    _ => Label::new("No model selected")
+                                        .size(LabelSize::Small)
+                                        .color(Color::Muted)
+                                        .into_any_element(),
+                                }),
+                        )
+                        .child(
+                            Icon::new(IconName::ChevronDown)
+                                .color(Color::Muted)
+                                .size(IconSize::XSmall),
+                        ),
+                )
+                .tooltip(move |cx| {
+                    Tooltip::for_action_in("Change Model", &ToggleModelSelector, &focus_handle, cx)
+                }),
+        )
+        .with_handle(self.menu_handle.clone())
+    }
+}

crates/assistant2/src/assistant_panel.rs

@@ -19,7 +19,7 @@ use workspace::Workspace;
 use crate::active_thread::ActiveThread;
 use crate::assistant_settings::{AssistantDockPosition, AssistantSettings};
 use crate::message_editor::MessageEditor;
-use crate::thread::{ThreadError, ThreadId};
+use crate::thread::{Thread, ThreadError, ThreadId};
 use crate::thread_history::{PastThread, ThreadHistory};
 use crate::thread_store::ThreadStore;
 use crate::{NewThread, OpenHistory, ToggleFocus};
@@ -27,9 +27,22 @@ use crate::{NewThread, OpenHistory, ToggleFocus};
 pub fn init(cx: &mut AppContext) {
     cx.observe_new_views(
         |workspace: &mut Workspace, _cx: &mut ViewContext<Workspace>| {
-            workspace.register_action(|workspace, _: &ToggleFocus, cx| {
-                workspace.toggle_panel_focus::<AssistantPanel>(cx);
-            });
+            workspace
+                .register_action(|workspace, _: &ToggleFocus, cx| {
+                    workspace.toggle_panel_focus::<AssistantPanel>(cx);
+                })
+                .register_action(|workspace, _: &NewThread, cx| {
+                    if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
+                        panel.update(cx, |panel, cx| panel.new_thread(cx));
+                        workspace.focus_panel::<AssistantPanel>(cx);
+                    }
+                })
+                .register_action(|workspace, _: &OpenHistory, cx| {
+                    if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
+                        workspace.focus_panel::<AssistantPanel>(cx);
+                        panel.update(cx, |panel, cx| panel.open_history(cx));
+                    }
+                });
         },
     )
     .detach();
@@ -157,6 +170,12 @@ impl AssistantPanel {
         self.message_editor.focus_handle(cx).focus(cx);
     }
 
+    fn open_history(&mut self, cx: &mut ViewContext<Self>) {
+        self.active_view = ActiveView::History;
+        self.history.focus_handle(cx).focus(cx);
+        cx.notify();
+    }
+
     pub(crate) fn open_thread(&mut self, thread_id: &ThreadId, cx: &mut ViewContext<Self>) {
         let Some(thread) = self
             .thread_store
@@ -187,6 +206,10 @@ impl AssistantPanel {
         self.message_editor.focus_handle(cx).focus(cx);
     }
 
+    pub(crate) fn active_thread(&self, cx: &AppContext) -> Model<Thread> {
+        self.thread.read(cx).thread.clone()
+    }
+
     pub(crate) fn delete_thread(&mut self, thread_id: &ThreadId, cx: &mut ViewContext<Self>) {
         self.thread_store
             .update(cx, |this, cx| this.delete_thread(thread_id, cx));
@@ -257,7 +280,7 @@ impl Panel for AssistantPanel {
     }
 
     fn icon(&self, _cx: &WindowContext) -> Option<IconName> {
-        Some(IconName::ZedAssistant)
+        Some(IconName::ZedAssistant2)
     }
 
     fn icon_tooltip(&self, _cx: &WindowContext) -> Option<&'static str> {
@@ -267,6 +290,10 @@ impl Panel for AssistantPanel {
     fn toggle_action(&self) -> Box<dyn Action> {
         Box::new(ToggleFocus)
     }
+
+    fn activation_priority(&self) -> u32 {
+        3
+    }
 }
 
 impl AssistantPanel {
@@ -572,9 +599,7 @@ impl Render for AssistantPanel {
                 this.new_thread(cx);
             }))
             .on_action(cx.listener(|this, _: &OpenHistory, cx| {
-                this.active_view = ActiveView::History;
-                this.history.focus_handle(cx).focus(cx);
-                cx.notify();
+                this.open_history(cx);
             }))
             .child(self.render_toolbar(cx))
             .map(|parent| match self.active_view {

crates/assistant2/src/context.rs

@@ -1,8 +1,11 @@
 use gpui::SharedString;
 use language_model::{LanguageModelRequestMessage, MessageContent};
+use project::ProjectEntryId;
 use serde::{Deserialize, Serialize};
 use util::post_inc;
 
+use crate::thread::ThreadId;
+
 #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Serialize, Deserialize)]
 pub struct ContextId(pub(crate) usize);
 
@@ -23,10 +26,10 @@ pub struct Context {
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum ContextKind {
-    File,
+    File(ProjectEntryId),
     Directory,
     FetchedUrl,
-    Thread,
+    Thread(ThreadId),
 }
 
 pub fn attach_context_to_message(
@@ -40,7 +43,7 @@ pub fn attach_context_to_message(
 
     for context in context.into_iter() {
         match context.kind {
-            ContextKind::File => {
+            ContextKind::File(_) => {
                 file_context.push_str(&context.text);
                 file_context.push('\n');
             }
@@ -54,7 +57,7 @@ pub fn attach_context_to_message(
                 fetch_context.push_str(&context.text);
                 fetch_context.push('\n');
             }
-            ContextKind::Thread => {
+            ContextKind::Thread(_) => {
                 thread_context.push_str(&context.name);
                 thread_context.push('\n');
                 thread_context.push_str(&context.text);

crates/assistant2/src/context_picker.rs

@@ -14,7 +14,6 @@ use ui::{prelude::*, ListItem, ListItemSpacing};
 use util::ResultExt;
 use workspace::Workspace;
 
-use crate::context::ContextKind;
 use crate::context_picker::directory_context_picker::DirectoryContextPicker;
 use crate::context_picker::fetch_context_picker::FetchContextPicker;
 use crate::context_picker::file_context_picker::FileContextPicker;
@@ -22,6 +21,12 @@ use crate::context_picker::thread_context_picker::ThreadContextPicker;
 use crate::context_store::ContextStore;
 use crate::thread_store::ThreadStore;
 
+#[derive(Debug, Clone, Copy)]
+pub enum ConfirmBehavior {
+    KeepOpen,
+    Close,
+}
+
 #[derive(Debug, Clone)]
 enum ContextPickerMode {
     Default,
@@ -41,30 +46,30 @@ impl ContextPicker {
         workspace: WeakView<Workspace>,
         thread_store: Option<WeakModel<ThreadStore>>,
         context_store: WeakModel<ContextStore>,
+        confirm_behavior: ConfirmBehavior,
         cx: &mut ViewContext<Self>,
     ) -> Self {
-        let mut entries = vec![
-            ContextPickerEntry {
-                name: "File".into(),
-                kind: ContextKind::File,
-                icon: IconName::File,
-            },
-            ContextPickerEntry {
-                name: "Folder".into(),
-                kind: ContextKind::Directory,
-                icon: IconName::Folder,
-            },
-            ContextPickerEntry {
-                name: "Fetch".into(),
-                kind: ContextKind::FetchedUrl,
-                icon: IconName::Globe,
-            },
-        ];
+        let mut entries = Vec::new();
+        entries.push(ContextPickerEntry {
+            name: "File".into(),
+            kind: ContextPickerEntryKind::File,
+            icon: IconName::File,
+        });
+        entries.push(ContextPickerEntry {
+            name: "Folder".into(),
+            kind: ContextPickerEntryKind::Directory,
+            icon: IconName::Folder,
+        });
+        entries.push(ContextPickerEntry {
+            name: "Fetch".into(),
+            kind: ContextPickerEntryKind::FetchedUrl,
+            icon: IconName::Globe,
+        });
 
         if thread_store.is_some() {
             entries.push(ContextPickerEntry {
                 name: "Thread".into(),
-                kind: ContextKind::Thread,
+                kind: ContextPickerEntryKind::Thread,
                 icon: IconName::MessageCircle,
             });
         }
@@ -74,6 +79,7 @@ impl ContextPicker {
             workspace,
             thread_store,
             context_store,
+            confirm_behavior,
             entries,
             selected_ix: 0,
         };
@@ -127,15 +133,24 @@ impl Render for ContextPicker {
 #[derive(Clone)]
 struct ContextPickerEntry {
     name: SharedString,
-    kind: ContextKind,
+    kind: ContextPickerEntryKind,
     icon: IconName,
 }
 
+#[derive(Debug, Clone)]
+enum ContextPickerEntryKind {
+    File,
+    Directory,
+    FetchedUrl,
+    Thread,
+}
+
 pub(crate) struct ContextPickerDelegate {
     context_picker: WeakView<ContextPicker>,
     workspace: WeakView<Workspace>,
     thread_store: Option<WeakModel<ThreadStore>>,
     context_store: WeakModel<ContextStore>,
+    confirm_behavior: ConfirmBehavior,
     entries: Vec<ContextPickerEntry>,
     selected_ix: usize,
 }
@@ -169,43 +184,47 @@ impl PickerDelegate for ContextPickerDelegate {
             self.context_picker
                 .update(cx, |this, cx| {
                     match entry.kind {
-                        ContextKind::File => {
+                        ContextPickerEntryKind::File => {
                             this.mode = ContextPickerMode::File(cx.new_view(|cx| {
                                 FileContextPicker::new(
                                     self.context_picker.clone(),
                                     self.workspace.clone(),
                                     self.context_store.clone(),
+                                    self.confirm_behavior,
                                     cx,
                                 )
                             }));
                         }
-                        ContextKind::Directory => {
+                        ContextPickerEntryKind::Directory => {
                             this.mode = ContextPickerMode::Directory(cx.new_view(|cx| {
                                 DirectoryContextPicker::new(
                                     self.context_picker.clone(),
                                     self.workspace.clone(),
                                     self.context_store.clone(),
+                                    self.confirm_behavior,
                                     cx,
                                 )
                             }));
                         }
-                        ContextKind::FetchedUrl => {
+                        ContextPickerEntryKind::FetchedUrl => {
                             this.mode = ContextPickerMode::Fetch(cx.new_view(|cx| {
                                 FetchContextPicker::new(
                                     self.context_picker.clone(),
                                     self.workspace.clone(),
                                     self.context_store.clone(),
+                                    self.confirm_behavior,
                                     cx,
                                 )
                             }));
                         }
-                        ContextKind::Thread => {
+                        ContextPickerEntryKind::Thread => {
                             if let Some(thread_store) = self.thread_store.as_ref() {
                                 this.mode = ContextPickerMode::Thread(cx.new_view(|cx| {
                                     ThreadContextPicker::new(
                                         thread_store.clone(),
                                         self.context_picker.clone(),
                                         self.context_store.clone(),
+                                        self.confirm_behavior,
                                         cx,
                                     )
                                 }));

crates/assistant2/src/context_picker/directory_context_picker.rs

@@ -1,17 +1,19 @@
-// TODO: Remove this once we've implemented the functionality.
-#![allow(unused)]
-
+use std::path::Path;
+use std::sync::atomic::AtomicBool;
 use std::sync::Arc;
 
+use anyhow::anyhow;
 use fuzzy::PathMatch;
 use gpui::{AppContext, DismissEvent, FocusHandle, FocusableView, Task, View, WeakModel, WeakView};
 use picker::{Picker, PickerDelegate};
-use project::{PathMatchCandidateSet, WorktreeId};
+use project::{PathMatchCandidateSet, ProjectPath, Worktree, WorktreeId};
 use ui::{prelude::*, ListItem};
 use util::ResultExt as _;
 use workspace::Workspace;
 
-use crate::context_picker::ContextPicker;
+use crate::context::ContextKind;
+use crate::context_picker::file_context_picker::codeblock_fence_for_path;
+use crate::context_picker::{ConfirmBehavior, ContextPicker};
 use crate::context_store::ContextStore;
 
 pub struct DirectoryContextPicker {
@@ -23,10 +25,15 @@ impl DirectoryContextPicker {
         context_picker: WeakView<ContextPicker>,
         workspace: WeakView<Workspace>,
         context_store: WeakModel<ContextStore>,
+        confirm_behavior: ConfirmBehavior,
         cx: &mut ViewContext<Self>,
     ) -> Self {
-        let delegate =
-            DirectoryContextPickerDelegate::new(context_picker, workspace, context_store);
+        let delegate = DirectoryContextPickerDelegate::new(
+            context_picker,
+            workspace,
+            context_store,
+            confirm_behavior,
+        );
         let picker = cx.new_view(|cx| Picker::uniform_list(delegate, cx));
 
         Self { picker }
@@ -49,6 +56,7 @@ pub struct DirectoryContextPickerDelegate {
     context_picker: WeakView<ContextPicker>,
     workspace: WeakView<Workspace>,
     context_store: WeakModel<ContextStore>,
+    confirm_behavior: ConfirmBehavior,
     matches: Vec<PathMatch>,
     selected_index: usize,
 }
@@ -58,15 +66,76 @@ impl DirectoryContextPickerDelegate {
         context_picker: WeakView<ContextPicker>,
         workspace: WeakView<Workspace>,
         context_store: WeakModel<ContextStore>,
+        confirm_behavior: ConfirmBehavior,
     ) -> Self {
         Self {
             context_picker,
             workspace,
             context_store,
+            confirm_behavior,
             matches: Vec::new(),
             selected_index: 0,
         }
     }
+
+    fn search(
+        &mut self,
+        query: String,
+        cancellation_flag: Arc<AtomicBool>,
+        workspace: &View<Workspace>,
+        cx: &mut ViewContext<Picker<Self>>,
+    ) -> Task<Vec<PathMatch>> {
+        if query.is_empty() {
+            let workspace = workspace.read(cx);
+            let project = workspace.project().read(cx);
+            let directory_matches = project.worktrees(cx).flat_map(|worktree| {
+                let worktree = worktree.read(cx);
+                let path_prefix: Arc<str> = worktree.root_name().into();
+                worktree.directories(false, 0).map(move |entry| PathMatch {
+                    score: 0.,
+                    positions: Vec::new(),
+                    worktree_id: worktree.id().to_usize(),
+                    path: entry.path.clone(),
+                    path_prefix: path_prefix.clone(),
+                    distance_to_relative_ancestor: 0,
+                    is_dir: true,
+                })
+            });
+
+            Task::ready(directory_matches.collect())
+        } else {
+            let worktrees = workspace.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
+            let candidate_sets = worktrees
+                .into_iter()
+                .map(|worktree| {
+                    let worktree = worktree.read(cx);
+
+                    PathMatchCandidateSet {
+                        snapshot: worktree.snapshot(),
+                        include_ignored: worktree
+                            .root_entry()
+                            .map_or(false, |entry| entry.is_ignored),
+                        include_root_name: true,
+                        candidates: project::Candidates::Directories,
+                    }
+                })
+                .collect::<Vec<_>>();
+
+            let executor = cx.background_executor().clone();
+            cx.foreground_executor().spawn(async move {
+                fuzzy::match_path_sets(
+                    candidate_sets.as_slice(),
+                    query.as_str(),
+                    None,
+                    false,
+                    100,
+                    &cancellation_flag,
+                    executor,
+                )
+                .await
+            })
+        }
+    }
 }
 
 impl PickerDelegate for DirectoryContextPickerDelegate {
@@ -80,7 +149,7 @@ impl PickerDelegate for DirectoryContextPickerDelegate {
         self.selected_index
     }
 
-    fn set_selected_index(&mut self, ix: usize, cx: &mut ViewContext<Picker<Self>>) {
+    fn set_selected_index(&mut self, ix: usize, _cx: &mut ViewContext<Picker<Self>>) {
         self.selected_index = ix;
     }
 
@@ -88,13 +157,114 @@ impl PickerDelegate for DirectoryContextPickerDelegate {
         "Search folders…".into()
     }
 
-    fn update_matches(&mut self, _query: String, _cx: &mut ViewContext<Picker<Self>>) -> Task<()> {
-        // TODO: Implement this once we fix the issues with the file context picker.
-        Task::ready(())
+    fn update_matches(&mut self, query: String, cx: &mut ViewContext<Picker<Self>>) -> Task<()> {
+        let Some(workspace) = self.workspace.upgrade() else {
+            return Task::ready(());
+        };
+
+        let search_task = self.search(query, Arc::<AtomicBool>::default(), &workspace, cx);
+
+        cx.spawn(|this, mut cx| async move {
+            let mut paths = search_task.await;
+            let empty_path = Path::new("");
+            paths.retain(|path_match| path_match.path.as_ref() != empty_path);
+
+            this.update(&mut cx, |this, _cx| {
+                this.delegate.matches = paths;
+            })
+            .log_err();
+        })
     }
 
-    fn confirm(&mut self, _secondary: bool, _cx: &mut ViewContext<Picker<Self>>) {
-        // TODO: Implement this once we fix the issues with the file context picker.
+    fn confirm(&mut self, _secondary: bool, cx: &mut ViewContext<Picker<Self>>) {
+        let Some(mat) = self.matches.get(self.selected_index) else {
+            return;
+        };
+
+        let workspace = self.workspace.clone();
+        let Some(project) = workspace
+            .upgrade()
+            .map(|workspace| workspace.read(cx).project().clone())
+        else {
+            return;
+        };
+        let path = mat.path.clone();
+        let worktree_id = WorktreeId::from_usize(mat.worktree_id);
+        let confirm_behavior = self.confirm_behavior;
+        cx.spawn(|this, mut cx| async move {
+            let worktree = project.update(&mut cx, |project, cx| {
+                project
+                    .worktree_for_id(worktree_id, cx)
+                    .ok_or_else(|| anyhow!("no worktree found for {worktree_id:?}"))
+            })??;
+
+            let files = worktree.update(&mut cx, |worktree, _cx| {
+                collect_files_in_path(worktree, &path)
+            })?;
+
+            let open_buffer_tasks = project.update(&mut cx, |project, cx| {
+                files
+                    .into_iter()
+                    .map(|file_path| {
+                        project.open_buffer(
+                            ProjectPath {
+                                worktree_id,
+                                path: file_path.clone(),
+                            },
+                            cx,
+                        )
+                    })
+                    .collect::<Vec<_>>()
+            })?;
+
+            let open_all_buffers_tasks = cx.background_executor().spawn(async move {
+                let mut buffers = Vec::with_capacity(open_buffer_tasks.len());
+
+                for open_buffer_task in open_buffer_tasks {
+                    let buffer = open_buffer_task.await?;
+
+                    buffers.push(buffer);
+                }
+
+                anyhow::Ok(buffers)
+            });
+
+            let buffers = open_all_buffers_tasks.await?;
+
+            this.update(&mut cx, |this, cx| {
+                let mut text = String::new();
+
+                for buffer in buffers {
+                    text.push_str(&codeblock_fence_for_path(Some(&path), None));
+                    text.push_str(&buffer.read(cx).text());
+                    if !text.ends_with('\n') {
+                        text.push('\n');
+                    }
+
+                    text.push_str("```\n");
+                }
+
+                this.delegate
+                    .context_store
+                    .update(cx, |context_store, _cx| {
+                        context_store.insert_context(
+                            ContextKind::Directory,
+                            path.to_string_lossy().to_string(),
+                            text,
+                        );
+                    })?;
+
+                match confirm_behavior {
+                    ConfirmBehavior::KeepOpen => {}
+                    ConfirmBehavior::Close => this.delegate.dismissed(cx),
+                }
+
+                anyhow::Ok(())
+            })??;
+
+            anyhow::Ok(())
+        })
+        .detach_and_log_err(cx)
     }
 
     fn dismissed(&mut self, cx: &mut ViewContext<Picker<Self>>) {
@@ -108,10 +278,32 @@ impl PickerDelegate for DirectoryContextPickerDelegate {
 
     fn render_match(
         &self,
-        _ix: usize,
-        _selected: bool,
+        ix: usize,
+        selected: bool,
         _cx: &mut ViewContext<Picker<Self>>,
     ) -> Option<Self::ListItem> {
-        None
+        let path_match = &self.matches[ix];
+        let directory_name = path_match.path.to_string_lossy().to_string();
+
+        Some(
+            ListItem::new(ix)
+                .inset(true)
+                .toggle_state(selected)
+                .child(h_flex().gap_2().child(Label::new(directory_name))),
+        )
     }
 }
+
+fn collect_files_in_path(worktree: &Worktree, path: &Path) -> Vec<Arc<Path>> {
+    let mut files = Vec::new();
+
+    for entry in worktree.child_entries(path) {
+        if entry.is_dir() {
+            files.extend(collect_files_in_path(worktree, &entry.path));
+        } else if entry.is_file() {
+            files.push(entry.path.clone());
+        }
+    }
+
+    files
+}

crates/assistant2/src/context_picker/fetch_context_picker.rs

@@ -12,7 +12,7 @@ use ui::{prelude::*, ListItem, ViewContext};
 use workspace::Workspace;
 
 use crate::context::ContextKind;
-use crate::context_picker::ContextPicker;
+use crate::context_picker::{ConfirmBehavior, ContextPicker};
 use crate::context_store::ContextStore;
 
 pub struct FetchContextPicker {
@@ -24,9 +24,15 @@ impl FetchContextPicker {
         context_picker: WeakView<ContextPicker>,
         workspace: WeakView<Workspace>,
         context_store: WeakModel<ContextStore>,
+        confirm_behavior: ConfirmBehavior,
         cx: &mut ViewContext<Self>,
     ) -> Self {
-        let delegate = FetchContextPickerDelegate::new(context_picker, workspace, context_store);
+        let delegate = FetchContextPickerDelegate::new(
+            context_picker,
+            workspace,
+            context_store,
+            confirm_behavior,
+        );
         let picker = cx.new_view(|cx| Picker::uniform_list(delegate, cx));
 
         Self { picker }
@@ -56,6 +62,7 @@ pub struct FetchContextPickerDelegate {
     context_picker: WeakView<ContextPicker>,
     workspace: WeakView<Workspace>,
     context_store: WeakModel<ContextStore>,
+    confirm_behavior: ConfirmBehavior,
     url: String,
 }
 
@@ -64,11 +71,13 @@ impl FetchContextPickerDelegate {
         context_picker: WeakView<ContextPicker>,
         workspace: WeakView<Workspace>,
         context_store: WeakModel<ContextStore>,
+        confirm_behavior: ConfirmBehavior,
     ) -> Self {
         FetchContextPickerDelegate {
             context_picker,
             workspace,
             context_store,
+            confirm_behavior,
             url: String::new(),
         }
     }
@@ -167,7 +176,7 @@ impl PickerDelegate for FetchContextPickerDelegate {
 
     fn set_selected_index(&mut self, _ix: usize, _cx: &mut ViewContext<Picker<Self>>) {}
 
-    fn placeholder_text(&self, _cx: &mut ui::WindowContext) -> Arc<str> {
+    fn placeholder_text(&self, _cx: &mut WindowContext) -> Arc<str> {
         "Enter a URL…".into()
     }
 
@@ -184,6 +193,7 @@ impl PickerDelegate for FetchContextPickerDelegate {
 
         let http_client = workspace.read(cx).client().http_client().clone();
         let url = self.url.clone();
+        let confirm_behavior = self.confirm_behavior;
         cx.spawn(|this, mut cx| async move {
             let text = Self::build_message(http_client, &url).await?;
 
@@ -192,7 +202,14 @@ impl PickerDelegate for FetchContextPickerDelegate {
                     .context_store
                     .update(cx, |context_store, _cx| {
                         context_store.insert_context(ContextKind::FetchedUrl, url, text);
-                    })
+                    })?;
+
+                match confirm_behavior {
+                    ConfirmBehavior::KeepOpen => {}
+                    ConfirmBehavior::Close => this.delegate.dismissed(cx),
+                }
+
+                anyhow::Ok(())
             })??;
 
             anyhow::Ok(())

crates/assistant2/src/context_picker/file_context_picker.rs

@@ -1,19 +1,19 @@
 use std::fmt::Write as _;
 use std::ops::RangeInclusive;
-use std::path::{Path, PathBuf};
+use std::path::Path;
 use std::sync::atomic::AtomicBool;
 use std::sync::Arc;
 
 use fuzzy::PathMatch;
 use gpui::{AppContext, DismissEvent, FocusHandle, FocusableView, Task, View, WeakModel, WeakView};
 use picker::{Picker, PickerDelegate};
-use project::{PathMatchCandidateSet, WorktreeId};
+use project::{PathMatchCandidateSet, ProjectPath, WorktreeId};
 use ui::{prelude::*, ListItem};
 use util::ResultExt as _;
 use workspace::Workspace;
 
 use crate::context::ContextKind;
-use crate::context_picker::ContextPicker;
+use crate::context_picker::{ConfirmBehavior, ContextPicker};
 use crate::context_store::ContextStore;
 
 pub struct FileContextPicker {
@@ -25,9 +25,15 @@ impl FileContextPicker {
         context_picker: WeakView<ContextPicker>,
         workspace: WeakView<Workspace>,
         context_store: WeakModel<ContextStore>,
+        confirm_behavior: ConfirmBehavior,
         cx: &mut ViewContext<Self>,
     ) -> Self {
-        let delegate = FileContextPickerDelegate::new(context_picker, workspace, context_store);
+        let delegate = FileContextPickerDelegate::new(
+            context_picker,
+            workspace,
+            context_store,
+            confirm_behavior,
+        );
         let picker = cx.new_view(|cx| Picker::uniform_list(delegate, cx));
 
         Self { picker }
@@ -50,6 +56,7 @@ pub struct FileContextPickerDelegate {
     context_picker: WeakView<ContextPicker>,
     workspace: WeakView<Workspace>,
     context_store: WeakModel<ContextStore>,
+    confirm_behavior: ConfirmBehavior,
     matches: Vec<PathMatch>,
     selected_index: usize,
 }
@@ -59,11 +66,13 @@ impl FileContextPickerDelegate {
         context_picker: WeakView<ContextPicker>,
         workspace: WeakView<Workspace>,
         context_store: WeakModel<ContextStore>,
+        confirm_behavior: ConfirmBehavior,
     ) -> Self {
         Self {
             context_picker,
             workspace,
             context_store,
+            confirm_behavior,
             matches: Vec::new(),
             selected_index: 0,
         }
@@ -79,44 +88,37 @@ impl FileContextPickerDelegate {
         if query.is_empty() {
             let workspace = workspace.read(cx);
             let project = workspace.project().read(cx);
-            let entries = workspace.recent_navigation_history(Some(10), cx);
-
-            let entries = entries
+            let recent_matches = workspace
+                .recent_navigation_history(Some(10), cx)
                 .into_iter()
-                .map(|entries| entries.0)
-                .chain(project.worktrees(cx).flat_map(|worktree| {
-                    let worktree = worktree.read(cx);
-                    let id = worktree.id();
-                    worktree
-                        .child_entries(Path::new(""))
-                        .filter(|entry| entry.kind.is_file())
-                        .map(move |entry| project::ProjectPath {
-                            worktree_id: id,
-                            path: entry.path.clone(),
-                        })
-                }))
-                .collect::<Vec<_>>();
-
-            let path_prefix: Arc<str> = Arc::default();
-            Task::ready(
-                entries
-                    .into_iter()
-                    .filter_map(|entry| {
-                        let worktree = project.worktree_for_id(entry.worktree_id, cx)?;
-                        let mut full_path = PathBuf::from(worktree.read(cx).root_name());
-                        full_path.push(&entry.path);
-                        Some(PathMatch {
-                            score: 0.,
-                            positions: Vec::new(),
-                            worktree_id: entry.worktree_id.to_usize(),
-                            path: full_path.into(),
-                            path_prefix: path_prefix.clone(),
-                            distance_to_relative_ancestor: 0,
-                            is_dir: false,
-                        })
+                .filter_map(|(project_path, _)| {
+                    let worktree = project.worktree_for_id(project_path.worktree_id, cx)?;
+                    Some(PathMatch {
+                        score: 0.,
+                        positions: Vec::new(),
+                        worktree_id: project_path.worktree_id.to_usize(),
+                        path: project_path.path,
+                        path_prefix: worktree.read(cx).root_name().into(),
+                        distance_to_relative_ancestor: 0,
+                        is_dir: false,
                     })
-                    .collect(),
-            )
+                });
+
+            let file_matches = project.worktrees(cx).flat_map(|worktree| {
+                let worktree = worktree.read(cx);
+                let path_prefix: Arc<str> = worktree.root_name().into();
+                worktree.files(true, 0).map(move |entry| PathMatch {
+                    score: 0.,
+                    positions: Vec::new(),
+                    worktree_id: worktree.id().to_usize(),
+                    path: entry.path.clone(),
+                    path_prefix: path_prefix.clone(),
+                    distance_to_relative_ancestor: 0,
+                    is_dir: false,
+                })
+            });
+
+            Task::ready(recent_matches.chain(file_matches).collect())
         } else {
             let worktrees = workspace.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
             let candidate_sets = worktrees
@@ -190,7 +192,9 @@ impl PickerDelegate for FileContextPickerDelegate {
     }
 
     fn confirm(&mut self, _secondary: bool, cx: &mut ViewContext<Picker<Self>>) {
-        let mat = &self.matches[self.selected_index];
+        let Some(mat) = self.matches.get(self.selected_index) else {
+            return;
+        };
 
         let workspace = self.workspace.clone();
         let Some(project) = workspace
@@ -201,12 +205,22 @@ impl PickerDelegate for FileContextPickerDelegate {
         };
         let path = mat.path.clone();
         let worktree_id = WorktreeId::from_usize(mat.worktree_id);
+        let confirm_behavior = self.confirm_behavior;
         cx.spawn(|this, mut cx| async move {
-            let Some(open_buffer_task) = project
+            let Some((entry_id, open_buffer_task)) = project
                 .update(&mut cx, |project, cx| {
-                    project.open_buffer((worktree_id, path.clone()), cx)
+                    let project_path = ProjectPath {
+                        worktree_id,
+                        path: path.clone(),
+                    };
+
+                    let entry_id = project.entry_for_path(&project_path, cx)?.id;
+                    let task = project.open_buffer(project_path, cx);
+
+                    Some((entry_id, task))
                 })
                 .ok()
+                .flatten()
             else {
                 return anyhow::Ok(());
             };
@@ -214,22 +228,31 @@ impl PickerDelegate for FileContextPickerDelegate {
             let buffer = open_buffer_task.await?;
 
             this.update(&mut cx, |this, cx| {
-                this.delegate.context_store.update(cx, |context_store, cx| {
-                    let mut text = String::new();
-                    text.push_str(&codeblock_fence_for_path(Some(&path), None));
-                    text.push_str(&buffer.read(cx).text());
-                    if !text.ends_with('\n') {
-                        text.push('\n');
-                    }
+                this.delegate
+                    .context_store
+                    .update(cx, |context_store, cx| {
+                        let mut text = String::new();
+                        text.push_str(&codeblock_fence_for_path(Some(&path), None));
+                        text.push_str(&buffer.read(cx).text());
+                        if !text.ends_with('\n') {
+                            text.push('\n');
+                        }
 
-                    text.push_str("```\n");
+                        text.push_str("```\n");
 
-                    context_store.insert_context(
-                        ContextKind::File,
-                        path.to_string_lossy().to_string(),
-                        text,
-                    );
-                })
+                        context_store.insert_context(
+                            ContextKind::File(entry_id),
+                            path.to_string_lossy().to_string(),
+                            text,
+                        );
+                    })?;
+
+                match confirm_behavior {
+                    ConfirmBehavior::KeepOpen => {}
+                    ConfirmBehavior::Close => this.delegate.dismissed(cx),
+                }
+
+                anyhow::Ok(())
             })??;
 
             anyhow::Ok(())
@@ -253,16 +276,30 @@ impl PickerDelegate for FileContextPickerDelegate {
         _cx: &mut ViewContext<Picker<Self>>,
     ) -> Option<Self::ListItem> {
         let path_match = &self.matches[ix];
-        let file_name = path_match
-            .path
-            .file_name()
-            .unwrap_or_default()
-            .to_string_lossy()
-            .to_string();
-        let directory = path_match
-            .path
-            .parent()
-            .map(|directory| format!("{}/", directory.to_string_lossy()));
+
+        let (file_name, directory) = if path_match.path.as_ref() == Path::new("") {
+            (SharedString::from(path_match.path_prefix.clone()), None)
+        } else {
+            let file_name = path_match
+                .path
+                .file_name()
+                .unwrap_or_default()
+                .to_string_lossy()
+                .to_string()
+                .into();
+
+            let mut directory = format!("{}/", path_match.path_prefix);
+            if let Some(parent) = path_match
+                .path
+                .parent()
+                .filter(|parent| parent != &Path::new(""))
+            {
+                directory.push_str(&parent.to_string_lossy());
+                directory.push('/');
+            }
+
+            (file_name, Some(directory))
+        };
 
         Some(
             ListItem::new(ix).inset(true).toggle_state(selected).child(
@@ -279,7 +316,10 @@ impl PickerDelegate for FileContextPickerDelegate {
     }
 }
 
-fn codeblock_fence_for_path(path: Option<&Path>, row_range: Option<RangeInclusive<u32>>) -> String {
+pub(crate) fn codeblock_fence_for_path(
+    path: Option<&Path>,
+    row_range: Option<RangeInclusive<u32>>,
+) -> String {
     let mut text = String::new();
     write!(text, "```").unwrap();
 

crates/assistant2/src/context_picker/thread_context_picker.rs

@@ -6,7 +6,7 @@ use picker::{Picker, PickerDelegate};
 use ui::{prelude::*, ListItem};
 
 use crate::context::ContextKind;
-use crate::context_picker::ContextPicker;
+use crate::context_picker::{ConfirmBehavior, ContextPicker};
 use crate::context_store;
 use crate::thread::ThreadId;
 use crate::thread_store::ThreadStore;
@@ -20,10 +20,15 @@ impl ThreadContextPicker {
         thread_store: WeakModel<ThreadStore>,
         context_picker: WeakView<ContextPicker>,
         context_store: WeakModel<context_store::ContextStore>,
+        confirm_behavior: ConfirmBehavior,
         cx: &mut ViewContext<Self>,
     ) -> Self {
-        let delegate =
-            ThreadContextPickerDelegate::new(thread_store, context_picker, context_store);
+        let delegate = ThreadContextPickerDelegate::new(
+            thread_store,
+            context_picker,
+            context_store,
+            confirm_behavior,
+        );
         let picker = cx.new_view(|cx| Picker::uniform_list(delegate, cx));
 
         ThreadContextPicker { picker }
@@ -52,6 +57,7 @@ pub struct ThreadContextPickerDelegate {
     thread_store: WeakModel<ThreadStore>,
     context_picker: WeakView<ContextPicker>,
     context_store: WeakModel<context_store::ContextStore>,
+    confirm_behavior: ConfirmBehavior,
     matches: Vec<ThreadContextEntry>,
     selected_index: usize,
 }
@@ -61,11 +67,13 @@ impl ThreadContextPickerDelegate {
         thread_store: WeakModel<ThreadStore>,
         context_picker: WeakView<ContextPicker>,
         context_store: WeakModel<context_store::ContextStore>,
+        confirm_behavior: ConfirmBehavior,
     ) -> Self {
         ThreadContextPickerDelegate {
             thread_store,
             context_picker,
             context_store,
+            confirm_behavior,
             matches: Vec::new(),
             selected_index: 0,
         }
@@ -146,7 +154,9 @@ impl PickerDelegate for ThreadContextPickerDelegate {
     }
 
     fn confirm(&mut self, _secondary: bool, cx: &mut ViewContext<Picker<Self>>) {
-        let entry = &self.matches[self.selected_index];
+        let Some(entry) = self.matches.get(self.selected_index) else {
+            return;
+        };
 
         let Some(thread_store) = self.thread_store.upgrade() else {
             return;
@@ -159,27 +169,18 @@ impl PickerDelegate for ThreadContextPickerDelegate {
 
         self.context_store
             .update(cx, |context_store, cx| {
-                let text = thread.update(cx, |thread, _cx| {
-                    let mut text = String::new();
-
-                    for message in thread.messages() {
-                        text.push_str(match message.role {
-                            language_model::Role::User => "User:",
-                            language_model::Role::Assistant => "Assistant:",
-                            language_model::Role::System => "System:",
-                        });
-                        text.push('\n');
-
-                        text.push_str(&message.text);
-                        text.push('\n');
-                    }
-
-                    text
-                });
-
-                context_store.insert_context(ContextKind::Thread, entry.summary.clone(), text);
+                context_store.insert_context(
+                    ContextKind::Thread(thread.read(cx).id().clone()),
+                    entry.summary.clone(),
+                    thread.read(cx).text(),
+                );
             })
             .ok();
+
+        match self.confirm_behavior {
+            ConfirmBehavior::KeepOpen => {}
+            ConfirmBehavior::Close => self.dismissed(cx),
+        }
     }
 
     fn dismissed(&mut self, cx: &mut ViewContext<Picker<Self>>) {
@@ -203,7 +204,7 @@ impl PickerDelegate for ThreadContextPickerDelegate {
             ListItem::new(ix)
                 .inset(true)
                 .toggle_state(selected)
-                .child(thread.summary.clone()),
+                .child(Label::new(thread.summary.clone())),
         )
     }
 }

crates/assistant2/src/context_store.rs

@@ -1,6 +1,10 @@
 use gpui::SharedString;
+use project::ProjectEntryId;
 
-use crate::context::{Context, ContextId, ContextKind};
+use crate::{
+    context::{Context, ContextId, ContextKind},
+    thread::ThreadId,
+};
 
 pub struct ContextStore {
     context: Vec<Context>,
@@ -44,4 +48,18 @@ impl ContextStore {
     pub fn remove_context(&mut self, id: &ContextId) {
         self.context.retain(|context| context.id != *id);
     }
+
+    pub fn contains_project_entry(&self, entry_id: ProjectEntryId) -> bool {
+        self.context.iter().any(|probe| match probe.kind {
+            ContextKind::File(probe_entry_id) => probe_entry_id == entry_id,
+            ContextKind::Directory | ContextKind::FetchedUrl | ContextKind::Thread(_) => false,
+        })
+    }
+
+    pub fn contains_thread(&self, thread_id: &ThreadId) -> bool {
+        self.context.iter().any(|probe| match probe.kind {
+            ContextKind::Thread(ref probe_thread_id) => probe_thread_id == thread_id,
+            ContextKind::File(_) | ContextKind::Directory | ContextKind::FetchedUrl => false,
+        })
+    }
 }

crates/assistant2/src/context_strip.rs

@@ -1,20 +1,27 @@
 use std::rc::Rc;
 
-use gpui::{FocusHandle, Model, View, WeakModel, WeakView};
-use ui::{prelude::*, PopoverMenu, PopoverMenuHandle, Tooltip};
+use editor::Editor;
+use gpui::{AppContext, FocusHandle, Model, View, WeakModel, WeakView};
+use language::Buffer;
+use project::ProjectEntryId;
+use ui::{prelude::*, KeyBinding, PopoverMenu, PopoverMenuHandle, Tooltip};
 use workspace::Workspace;
 
-use crate::context_picker::ContextPicker;
+use crate::context::ContextKind;
+use crate::context_picker::{ConfirmBehavior, ContextPicker};
 use crate::context_store::ContextStore;
+use crate::thread::{Thread, ThreadId};
 use crate::thread_store::ThreadStore;
 use crate::ui::ContextPill;
-use crate::ToggleContextPicker;
+use crate::{AssistantPanel, ToggleContextPicker};
 
 pub struct ContextStrip {
     context_store: Model<ContextStore>,
     context_picker: View<ContextPicker>,
     context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
     focus_handle: FocusHandle,
+    suggest_context_kind: SuggestContextKind,
+    workspace: WeakView<Workspace>,
 }
 
 impl ContextStrip {
@@ -24,6 +31,7 @@ impl ContextStrip {
         thread_store: Option<WeakModel<ThreadStore>>,
         focus_handle: FocusHandle,
         context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
+        suggest_context_kind: SuggestContextKind,
         cx: &mut ViewContext<Self>,
     ) -> Self {
         Self {
@@ -33,21 +41,82 @@ impl ContextStrip {
                     workspace.clone(),
                     thread_store.clone(),
                     context_store.downgrade(),
+                    ConfirmBehavior::KeepOpen,
                     cx,
                 )
             }),
             context_picker_menu_handle,
             focus_handle,
+            suggest_context_kind,
+            workspace,
         }
     }
+
+    fn suggested_context(&self, cx: &ViewContext<Self>) -> Option<SuggestedContext> {
+        match self.suggest_context_kind {
+            SuggestContextKind::File => self.suggested_file(cx),
+            SuggestContextKind::Thread => self.suggested_thread(cx),
+        }
+    }
+
+    fn suggested_file(&self, cx: &ViewContext<Self>) -> Option<SuggestedContext> {
+        let workspace = self.workspace.upgrade()?;
+        let active_item = workspace.read(cx).active_item(cx)?;
+        let entry_id = *active_item.project_entry_ids(cx).first()?;
+
+        if self.context_store.read(cx).contains_project_entry(entry_id) {
+            return None;
+        }
+
+        let editor = active_item.to_any().downcast::<Editor>().ok()?.read(cx);
+        let active_buffer = editor.buffer().read(cx).as_singleton()?;
+
+        let file = active_buffer.read(cx).file()?;
+        let title = file.path().to_string_lossy().into_owned().into();
+
+        Some(SuggestedContext::File {
+            entry_id,
+            title,
+            buffer: active_buffer.downgrade(),
+        })
+    }
+
+    fn suggested_thread(&self, cx: &ViewContext<Self>) -> Option<SuggestedContext> {
+        let workspace = self.workspace.upgrade()?;
+        let active_thread = workspace
+            .read(cx)
+            .panel::<AssistantPanel>(cx)?
+            .read(cx)
+            .active_thread(cx);
+        let weak_active_thread = active_thread.downgrade();
+
+        let active_thread = active_thread.read(cx);
+
+        if self
+            .context_store
+            .read(cx)
+            .contains_thread(active_thread.id())
+        {
+            return None;
+        }
+
+        Some(SuggestedContext::Thread {
+            id: active_thread.id().clone(),
+            title: active_thread.summary().unwrap_or("Active Thread".into()),
+            thread: weak_active_thread,
+        })
+    }
 }
 
 impl Render for ContextStrip {
     fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
-        let context = self.context_store.read(cx).context();
+        let context_store = self.context_store.read(cx);
+        let context = context_store.context().clone();
         let context_picker = self.context_picker.clone();
         let focus_handle = self.focus_handle.clone();
 
+        let suggested_context = self.suggested_context(cx);
+
         h_flex()
             .flex_wrap()
             .gap_1()
@@ -58,13 +127,17 @@ impl Render for ContextStrip {
                         IconButton::new("add-context", IconName::Plus)
                             .icon_size(IconSize::Small)
                             .style(ui::ButtonStyle::Filled)
-                            .tooltip(move |cx| {
-                                Tooltip::for_action_in(
-                                    "Add Context",
-                                    &ToggleContextPicker,
-                                    &focus_handle,
-                                    cx,
-                                )
+                            .tooltip({
+                                let focus_handle = focus_handle.clone();
+
+                                move |cx| {
+                                    Tooltip::for_action_in(
+                                        "Add Context",
+                                        &ToggleContextPicker,
+                                        &focus_handle,
+                                        cx,
+                                    )
+                                }
                             }),
                     )
                     .attach(gpui::Corner::TopLeft)
@@ -75,6 +148,25 @@ impl Render for ContextStrip {
                     })
                     .with_handle(self.context_picker_menu_handle.clone()),
             )
+            .when(context.is_empty() && suggested_context.is_none(), {
+                |parent| {
+                    parent.child(
+                        h_flex()
+                            .ml_1p5()
+                            .gap_2()
+                            .child(
+                                Label::new("Add Context")
+                                    .size(LabelSize::Small)
+                                    .color(Color::Muted),
+                            )
+                            .opacity(0.5)
+                            .children(
+                                KeyBinding::for_action_in(&ToggleContextPicker, &focus_handle, cx)
+                                    .map(|binding| binding.into_any_element()),
+                            ),
+                    )
+                }
+            })
             .children(context.iter().map(|context| {
                 ContextPill::new(context.clone()).on_remove({
                     let context = context.clone();
@@ -87,19 +179,105 @@ impl Render for ContextStrip {
                     }))
                 })
             }))
-            .when(!context.is_empty(), |parent| {
-                parent.child(
-                    IconButton::new("remove-all-context", IconName::Eraser)
-                        .icon_size(IconSize::Small)
-                        .tooltip(move |cx| Tooltip::text("Remove All Context", cx))
+            .when_some(suggested_context, |el, suggested| {
+                el.child(
+                    Button::new("add-suggested-context", suggested.title().clone())
                         .on_click({
                             let context_store = self.context_store.clone();
+
                             cx.listener(move |_this, _event, cx| {
-                                context_store.update(cx, |this, _cx| this.clear());
+                                context_store.update(cx, |context_store, cx| {
+                                    suggested.accept(context_store, cx);
+                                });
                                 cx.notify();
                             })
+                        })
+                        .icon(IconName::Plus)
+                        .icon_position(IconPosition::Start)
+                        .icon_size(IconSize::XSmall)
+                        .icon_color(Color::Muted)
+                        .label_size(LabelSize::Small)
+                        .style(ButtonStyle::Filled)
+                        .tooltip(|cx| {
+                            Tooltip::with_meta("Suggested Context", None, "Click to add it", cx)
                         }),
                 )
             })
+            .when(!context.is_empty(), {
+                move |parent| {
+                    parent.child(
+                        IconButton::new("remove-all-context", IconName::Eraser)
+                            .icon_size(IconSize::Small)
+                            .tooltip(move |cx| Tooltip::text("Remove All Context", cx))
+                            .on_click({
+                                let context_store = self.context_store.clone();
+                                cx.listener(move |_this, _event, cx| {
+                                    context_store.update(cx, |this, _cx| this.clear());
+                                    cx.notify();
+                                })
+                            }),
+                    )
+                }
+            })
+    }
+}
+
+pub enum SuggestContextKind {
+    File,
+    Thread,
+}
+
+#[derive(Clone)]
+pub enum SuggestedContext {
+    File {
+        entry_id: ProjectEntryId,
+        title: SharedString,
+        buffer: WeakModel<Buffer>,
+    },
+    Thread {
+        id: ThreadId,
+        title: SharedString,
+        thread: WeakModel<Thread>,
+    },
+}
+
+impl SuggestedContext {
+    pub fn title(&self) -> &SharedString {
+        match self {
+            Self::File { title, .. } => title,
+            Self::Thread { title, .. } => title,
+        }
+    }
+
+    pub fn accept(&self, context_store: &mut ContextStore, cx: &mut AppContext) {
+        match self {
+            Self::File {
+                entry_id,
+                title,
+                buffer,
+            } => {
+                let Some(buffer) = buffer.upgrade() else {
+                    return;
+                };
+                let text = buffer.read(cx).text();
+
+                context_store.insert_context(
+                    ContextKind::File(*entry_id),
+                    title.clone(),
+                    text.clone(),
+                );
+            }
+            Self::Thread { id, title, thread } => {
+                let Some(thread) = thread.upgrade() else {
+                    return;
+                };
+
+                context_store.insert_context(
+                    ContextKind::Thread(id.clone()),
+                    title.clone(),
+                    thread.read(cx).text(),
+                );
+            }
+        }
     }
 }

crates/assistant2/src/message_editor.rs

@@ -1,22 +1,26 @@
 use std::sync::Arc;
 
-use editor::{Editor, EditorElement, EditorStyle};
+use editor::{Editor, EditorElement, EditorEvent, EditorStyle};
 use fs::Fs;
-use gpui::{AppContext, FocusableView, Model, TextStyle, View, WeakModel, WeakView};
+use gpui::{
+    AppContext, DismissEvent, FocusableView, Model, Subscription, TextStyle, View, WeakModel,
+    WeakView,
+};
 use language_model::{LanguageModelRegistry, LanguageModelRequestTool};
-use language_model_selector::{LanguageModelSelector, LanguageModelSelectorPopoverMenu};
-use settings::{update_settings_file, Settings};
+use language_model_selector::LanguageModelSelector;
+use rope::Point;
+use settings::Settings;
 use theme::ThemeSettings;
 use ui::{
-    prelude::*, ButtonLike, CheckboxWithLabel, ElevationIndex, KeyBinding, PopoverMenuHandle,
-    Tooltip,
+    prelude::*, ButtonLike, ElevationIndex, KeyBinding, PopoverMenu, PopoverMenuHandle,
+    SwitchWithLabel,
 };
 use workspace::Workspace;
 
-use crate::assistant_settings::AssistantSettings;
-use crate::context_picker::ContextPicker;
+use crate::assistant_model_selector::AssistantModelSelector;
+use crate::context_picker::{ConfirmBehavior, ContextPicker};
 use crate::context_store::ContextStore;
-use crate::context_strip::ContextStrip;
+use crate::context_strip::{ContextStrip, SuggestContextKind};
 use crate::thread::{RequestKind, Thread};
 use crate::thread_store::ThreadStore;
 use crate::{Chat, ToggleContextPicker, ToggleModelSelector};
@@ -27,9 +31,12 @@ pub struct MessageEditor {
     context_store: Model<ContextStore>,
     context_strip: View<ContextStrip>,
     context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
-    language_model_selector: View<LanguageModelSelector>,
-    language_model_selector_menu_handle: PopoverMenuHandle<LanguageModelSelector>,
+    inline_context_picker: View<ContextPicker>,
+    inline_context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
+    model_selector: View<AssistantModelSelector>,
+    model_selector_menu_handle: PopoverMenuHandle<LanguageModelSelector>,
     use_tools: bool,
+    _subscriptions: Vec<Subscription>,
 }
 
 impl MessageEditor {
@@ -42,14 +49,32 @@ impl MessageEditor {
     ) -> Self {
         let context_store = cx.new_model(|_cx| ContextStore::new());
         let context_picker_menu_handle = PopoverMenuHandle::default();
+        let inline_context_picker_menu_handle = PopoverMenuHandle::default();
+        let model_selector_menu_handle = PopoverMenuHandle::default();
 
         let editor = cx.new_view(|cx| {
-            let mut editor = Editor::auto_height(80, cx);
-            editor.set_placeholder_text("Ask anything, @ to add context", cx);
+            let mut editor = Editor::auto_height(10, cx);
+            editor.set_placeholder_text("Ask anything…", cx);
             editor.set_show_indent_guides(false, cx);
 
             editor
         });
+        let inline_context_picker = cx.new_view(|cx| {
+            ContextPicker::new(
+                workspace.clone(),
+                Some(thread_store.clone()),
+                context_store.downgrade(),
+                ConfirmBehavior::Close,
+                cx,
+            )
+        });
+        let subscriptions = vec![
+            cx.subscribe(&editor, Self::handle_editor_event),
+            cx.subscribe(
+                &inline_context_picker,
+                Self::handle_inline_context_picker_event,
+            ),
+        ];
 
         Self {
             thread,
@@ -62,30 +87,24 @@ impl MessageEditor {
                     Some(thread_store.clone()),
                     editor.focus_handle(cx),
                     context_picker_menu_handle.clone(),
+                    SuggestContextKind::File,
                     cx,
                 )
             }),
             context_picker_menu_handle,
-            language_model_selector: cx.new_view(|cx| {
-                let fs = fs.clone();
-                LanguageModelSelector::new(
-                    move |model, cx| {
-                        update_settings_file::<AssistantSettings>(
-                            fs.clone(),
-                            cx,
-                            move |settings, _cx| settings.set_model(model.clone()),
-                        );
-                    },
-                    cx,
-                )
+            inline_context_picker,
+            inline_context_picker_menu_handle,
+            model_selector: cx.new_view(|cx| {
+                AssistantModelSelector::new(fs, model_selector_menu_handle.clone(), cx)
             }),
-            language_model_selector_menu_handle: PopoverMenuHandle::default(),
+            model_selector_menu_handle,
             use_tools: false,
+            _subscriptions: subscriptions,
         }
     }
 
     fn toggle_model_selector(&mut self, _: &ToggleModelSelector, cx: &mut ViewContext<Self>) {
-        self.language_model_selector_menu_handle.toggle(cx);
+        self.model_selector_menu_handle.toggle(cx)
     }
 
     fn toggle_context_picker(&mut self, _: &ToggleContextPicker, cx: &mut ViewContext<Self>) {
@@ -143,48 +162,38 @@ impl MessageEditor {
         None
     }
 
-    fn render_language_model_selector(&self, cx: &mut ViewContext<Self>) -> impl IntoElement {
-        let active_model = LanguageModelRegistry::read_global(cx).active_model();
-        let focus_handle = self.language_model_selector.focus_handle(cx).clone();
+    fn handle_editor_event(
+        &mut self,
+        editor: View<Editor>,
+        event: &EditorEvent,
+        cx: &mut ViewContext<Self>,
+    ) {
+        match event {
+            EditorEvent::SelectionsChanged { .. } => {
+                editor.update(cx, |editor, cx| {
+                    let snapshot = editor.buffer().read(cx).snapshot(cx);
+                    let newest_cursor = editor.selections.newest::<Point>(cx).head();
+                    if newest_cursor.column > 0 {
+                        let behind_cursor = Point::new(newest_cursor.row, newest_cursor.column - 1);
+                        let char_behind_cursor = snapshot.chars_at(behind_cursor).next();
+                        if char_behind_cursor == Some('@') {
+                            self.inline_context_picker_menu_handle.show(cx);
+                        }
+                    }
+                });
+            }
+            _ => {}
+        }
+    }
 
-        LanguageModelSelectorPopoverMenu::new(
-            self.language_model_selector.clone(),
-            ButtonLike::new("active-model")
-                .style(ButtonStyle::Subtle)
-                .child(
-                    h_flex()
-                        .w_full()
-                        .gap_0p5()
-                        .child(
-                            div()
-                                .overflow_x_hidden()
-                                .flex_grow()
-                                .whitespace_nowrap()
-                                .child(match active_model {
-                                    Some(model) => h_flex()
-                                        .child(
-                                            Label::new(model.name().0)
-                                                .size(LabelSize::Small)
-                                                .color(Color::Muted),
-                                        )
-                                        .into_any_element(),
-                                    _ => Label::new("No model selected")
-                                        .size(LabelSize::Small)
-                                        .color(Color::Muted)
-                                        .into_any_element(),
-                                }),
-                        )
-                        .child(
-                            Icon::new(IconName::ChevronDown)
-                                .color(Color::Muted)
-                                .size(IconSize::XSmall),
-                        ),
-                )
-                .tooltip(move |cx| {
-                    Tooltip::for_action_in("Change Model", &ToggleModelSelector, &focus_handle, cx)
-                }),
-        )
-        .with_handle(self.language_model_selector_menu_handle.clone())
+    fn handle_inline_context_picker_event(
+        &mut self,
+        _inline_context_picker: View<ContextPicker>,
+        _event: &DismissEvent,
+        cx: &mut ViewContext<Self>,
+    ) {
+        let editor_focus_handle = self.editor.focus_handle(cx);
+        cx.focus(&editor_focus_handle);
     }
 }
 
@@ -199,6 +208,7 @@ impl Render for MessageEditor {
         let font_size = TextSize::Default.rems(cx);
         let line_height = font_size.to_pixels(cx.rem_size()) * 1.5;
         let focus_handle = self.editor.focus_handle(cx);
+        let inline_context_picker = self.inline_context_picker.clone();
         let bg_color = cx.theme().colors().editor_background;
 
         v_flex()
@@ -211,58 +221,72 @@ impl Render for MessageEditor {
             .p_2()
             .bg(bg_color)
             .child(self.context_strip.clone())
-            .child(div().id("thread_editor").overflow_y_scroll().h_12().child({
-                let settings = ThemeSettings::get_global(cx);
-                let text_style = TextStyle {
-                    color: cx.theme().colors().editor_foreground,
-                    font_family: settings.ui_font.family.clone(),
-                    font_features: settings.ui_font.features.clone(),
-                    font_size: font_size.into(),
-                    font_weight: settings.ui_font.weight,
-                    line_height: line_height.into(),
-                    ..Default::default()
-                };
-
-                EditorElement::new(
-                    &self.editor,
-                    EditorStyle {
-                        background: bg_color,
-                        local_player: cx.theme().players().local(),
-                        text: text_style,
-                        ..Default::default()
-                    },
-                )
-            }))
             .child(
-                h_flex()
-                    .justify_between()
-                    .child(CheckboxWithLabel::new(
-                        "use-tools",
-                        Label::new("Tools"),
-                        self.use_tools.into(),
-                        cx.listener(|this, selection, _cx| {
-                            this.use_tools = match selection {
-                                ToggleState::Selected => true,
-                                ToggleState::Unselected | ToggleState::Indeterminate => false,
-                            };
-                        }),
-                    ))
+                v_flex()
+                    .gap_4()
+                    .child({
+                        let settings = ThemeSettings::get_global(cx);
+                        let text_style = TextStyle {
+                            color: cx.theme().colors().text,
+                            font_family: settings.ui_font.family.clone(),
+                            font_features: settings.ui_font.features.clone(),
+                            font_size: font_size.into(),
+                            font_weight: settings.ui_font.weight,
+                            line_height: line_height.into(),
+                            ..Default::default()
+                        };
+
+                        EditorElement::new(
+                            &self.editor,
+                            EditorStyle {
+                                background: bg_color,
+                                local_player: cx.theme().players().local(),
+                                text: text_style,
+                                ..Default::default()
+                            },
+                        )
+                    })
+                    .child(
+                        PopoverMenu::new("inline-context-picker")
+                            .menu(move |_cx| Some(inline_context_picker.clone()))
+                            .attach(gpui::Corner::TopLeft)
+                            .anchor(gpui::Corner::BottomLeft)
+                            .offset(gpui::Point {
+                                x: px(0.0),
+                                y: px(-16.0),
+                            })
+                            .with_handle(self.inline_context_picker_menu_handle.clone()),
+                    )
                     .child(
                         h_flex()
-                            .gap_1()
-                            .child(self.render_language_model_selector(cx))
+                            .justify_between()
+                            .child(SwitchWithLabel::new(
+                                "use-tools",
+                                Label::new("Tools"),
+                                self.use_tools.into(),
+                                cx.listener(|this, selection, _cx| {
+                                    this.use_tools = match selection {
+                                        ToggleState::Selected => true,
+                                        ToggleState::Unselected | ToggleState::Indeterminate => {
+                                            false
+                                        }
+                                    };
+                                }),
+                            ))
                             .child(
-                                ButtonLike::new("chat")
-                                    .style(ButtonStyle::Filled)
-                                    .layer(ElevationIndex::ModalSurface)
-                                    .child(Label::new("Submit"))
-                                    .children(
-                                        KeyBinding::for_action_in(&Chat, &focus_handle, cx)
-                                            .map(|binding| binding.into_any_element()),
-                                    )
-                                    .on_click(move |_event, cx| {
-                                        focus_handle.dispatch_action(&Chat, cx);
-                                    }),
+                                h_flex().gap_1().child(self.model_selector.clone()).child(
+                                    ButtonLike::new("chat")
+                                        .style(ButtonStyle::Filled)
+                                        .layer(ElevationIndex::ModalSurface)
+                                        .child(Label::new("Submit"))
+                                        .children(
+                                            KeyBinding::for_action_in(&Chat, &focus_handle, cx)
+                                                .map(|binding| binding.into_any_element()),
+                                        )
+                                        .on_click(move |_event, cx| {
+                                            focus_handle.dispatch_action(&Chat, cx);
+                                        }),
+                                ),
                             ),
                     ),
             )

crates/assistant2/src/terminal_codegen.rs

@@ -0,0 +1,192 @@
+use crate::inline_prompt_editor::CodegenStatus;
+use client::telemetry::Telemetry;
+use futures::{channel::mpsc, SinkExt, StreamExt};
+use gpui::{AppContext, EventEmitter, Model, ModelContext, Task};
+use language_model::{LanguageModelRegistry, LanguageModelRequest};
+use language_models::report_assistant_event;
+use std::{sync::Arc, time::Instant};
+use telemetry_events::{AssistantEvent, AssistantKind, AssistantPhase};
+use terminal::Terminal;
+
+pub struct TerminalCodegen {
+    pub status: CodegenStatus,
+    pub telemetry: Option<Arc<Telemetry>>,
+    terminal: Model<Terminal>,
+    generation: Task<()>,
+    pub message_id: Option<String>,
+    transaction: Option<TerminalTransaction>,
+}
+
+impl EventEmitter<CodegenEvent> for TerminalCodegen {}
+
+impl TerminalCodegen {
+    pub fn new(terminal: Model<Terminal>, telemetry: Option<Arc<Telemetry>>) -> Self {
+        Self {
+            terminal,
+            telemetry,
+            status: CodegenStatus::Idle,
+            generation: Task::ready(()),
+            message_id: None,
+            transaction: None,
+        }
+    }
+
+    pub fn start(&mut self, prompt: LanguageModelRequest, cx: &mut ModelContext<Self>) {
+        let Some(model) = LanguageModelRegistry::read_global(cx).active_model() else {
+            return;
+        };
+
+        let model_api_key = model.api_key(cx);
+        let http_client = cx.http_client();
+        let telemetry = self.telemetry.clone();
+        self.status = CodegenStatus::Pending;
+        self.transaction = Some(TerminalTransaction::start(self.terminal.clone()));
+        self.generation = cx.spawn(|this, mut cx| async move {
+            let model_telemetry_id = model.telemetry_id();
+            let model_provider_id = model.provider_id();
+            let response = model.stream_completion_text(prompt, &cx).await;
+            let generate = async {
+                let message_id = response
+                    .as_ref()
+                    .ok()
+                    .and_then(|response| response.message_id.clone());
+
+                let (mut hunks_tx, mut hunks_rx) = mpsc::channel(1);
+
+                let task = cx.background_executor().spawn({
+                    let message_id = message_id.clone();
+                    let executor = cx.background_executor().clone();
+                    async move {
+                        let mut response_latency = None;
+                        let request_start = Instant::now();
+                        let task = async {
+                            let mut chunks = response?.stream;
+                            while let Some(chunk) = chunks.next().await {
+                                if response_latency.is_none() {
+                                    response_latency = Some(request_start.elapsed());
+                                }
+                                let chunk = chunk?;
+                                hunks_tx.send(chunk).await?;
+                            }
+
+                            anyhow::Ok(())
+                        };
+
+                        let result = task.await;
+
+                        let error_message = result.as_ref().err().map(|error| error.to_string());
+                        report_assistant_event(
+                            AssistantEvent {
+                                conversation_id: None,
+                                kind: AssistantKind::InlineTerminal,
+                                message_id,
+                                phase: AssistantPhase::Response,
+                                model: model_telemetry_id,
+                                model_provider: model_provider_id.to_string(),
+                                response_latency,
+                                error_message,
+                                language_name: None,
+                            },
+                            telemetry,
+                            http_client,
+                            model_api_key,
+                            &executor,
+                        );
+
+                        result?;
+                        anyhow::Ok(())
+                    }
+                });
+
+                this.update(&mut cx, |this, _| {
+                    this.message_id = message_id;
+                })?;
+
+                while let Some(hunk) = hunks_rx.next().await {
+                    this.update(&mut cx, |this, cx| {
+                        if let Some(transaction) = &mut this.transaction {
+                            transaction.push(hunk, cx);
+                            cx.notify();
+                        }
+                    })?;
+                }
+
+                task.await?;
+                anyhow::Ok(())
+            };
+
+            let result = generate.await;
+
+            this.update(&mut cx, |this, cx| {
+                if let Err(error) = result {
+                    this.status = CodegenStatus::Error(error);
+                } else {
+                    this.status = CodegenStatus::Done;
+                }
+                cx.emit(CodegenEvent::Finished);
+                cx.notify();
+            })
+            .ok();
+        });
+        cx.notify();
+    }
+
+    pub fn stop(&mut self, cx: &mut ModelContext<Self>) {
+        self.status = CodegenStatus::Done;
+        self.generation = Task::ready(());
+        cx.emit(CodegenEvent::Finished);
+        cx.notify();
+    }
+
+    pub fn complete(&mut self, cx: &mut ModelContext<Self>) {
+        if let Some(transaction) = self.transaction.take() {
+            transaction.complete(cx);
+        }
+    }
+
+    pub fn undo(&mut self, cx: &mut ModelContext<Self>) {
+        if let Some(transaction) = self.transaction.take() {
+            transaction.undo(cx);
+        }
+    }
+}
+
+#[derive(Copy, Clone, Debug)]
+pub enum CodegenEvent {
+    Finished,
+}
+
+pub const CLEAR_INPUT: &str = "\x15";
+const CARRIAGE_RETURN: &str = "\x0d";
+
+struct TerminalTransaction {
+    terminal: Model<Terminal>,
+}
+
+impl TerminalTransaction {
+    pub fn start(terminal: Model<Terminal>) -> Self {
+        Self { terminal }
+    }
+
+    pub fn push(&mut self, hunk: String, cx: &mut AppContext) {
+        // Ensure that the assistant cannot accidentally execute commands that are streamed into the terminal
+        let input = Self::sanitize_input(hunk);
+        self.terminal
+            .update(cx, |terminal, _| terminal.input(input));
+    }
+
+    pub fn undo(&self, cx: &mut AppContext) {
+        self.terminal
+            .update(cx, |terminal, _| terminal.input(CLEAR_INPUT.to_string()));
+    }
+
+    pub fn complete(&self, cx: &mut AppContext) {
+        self.terminal.update(cx, |terminal, _| {
+            terminal.input(CARRIAGE_RETURN.to_string())
+        });
+    }
+
+    fn sanitize_input(input: String) -> String {
+        input.replace(['\r', '\n'], "")
+    }
+}

crates/assistant2/src/terminal_inline_assistant.rs

@@ -1,37 +1,29 @@
-use crate::assistant_settings::AssistantSettings;
 use crate::context::attach_context_to_message;
-use crate::context_picker::ContextPicker;
 use crate::context_store::ContextStore;
-use crate::context_strip::ContextStrip;
+use crate::inline_prompt_editor::{
+    CodegenStatus, PromptEditor, PromptEditorEvent, TerminalInlineAssistId,
+};
 use crate::prompts::PromptBuilder;
+use crate::terminal_codegen::{CodegenEvent, TerminalCodegen, CLEAR_INPUT};
 use crate::thread_store::ThreadStore;
-use crate::ToggleContextPicker;
 use anyhow::{Context as _, Result};
 use client::telemetry::Telemetry;
 use collections::{HashMap, VecDeque};
-use editor::{
-    actions::{MoveDown, MoveUp, SelectAll},
-    Editor, EditorElement, EditorEvent, EditorMode, EditorStyle, MultiBuffer,
-};
+use editor::{actions::SelectAll, MultiBuffer};
 use fs::Fs;
-use futures::{channel::mpsc, SinkExt, StreamExt};
 use gpui::{
-    AppContext, Context, EventEmitter, FocusHandle, FocusableView, Global, Model, ModelContext,
-    Subscription, Task, TextStyle, UpdateGlobal, View, WeakModel, WeakView,
+    AppContext, Context, FocusableView, Global, Model, Subscription, UpdateGlobal, View, WeakModel,
+    WeakView,
 };
 use language::Buffer;
 use language_model::{
     LanguageModelRegistry, LanguageModelRequest, LanguageModelRequestMessage, Role,
 };
-use language_model_selector::{LanguageModelSelector, LanguageModelSelectorPopoverMenu};
 use language_models::report_assistant_event;
-use settings::{update_settings_file, Settings};
-use std::{cmp, sync::Arc, time::Instant};
+use std::sync::Arc;
 use telemetry_events::{AssistantEvent, AssistantKind, AssistantPhase};
-use terminal::Terminal;
 use terminal_view::TerminalView;
-use theme::ThemeSettings;
-use ui::{prelude::*, text_for_action, IconButtonShape, PopoverMenuHandle, Tooltip};
+use ui::prelude::*;
 use util::ResultExt;
 use workspace::{notifications::NotificationId, Toast, Workspace};
 
@@ -47,17 +39,6 @@ pub fn init(
 const DEFAULT_CONTEXT_LINES: usize = 50;
 const PROMPT_HISTORY_MAX_LEN: usize = 20;
 
-#[derive(Copy, Clone, Default, Debug, PartialEq, Eq, Hash)]
-struct TerminalInlineAssistId(usize);
-
-impl TerminalInlineAssistId {
-    fn post_inc(&mut self) -> TerminalInlineAssistId {
-        let id = *self;
-        self.0 += 1;
-        id
-    }
-}
-
 pub struct TerminalInlineAssistant {
     next_assist_id: TerminalInlineAssistId,
     assists: HashMap<TerminalInlineAssistId, TerminalInlineAssist>,
@@ -98,10 +79,10 @@ impl TerminalInlineAssistant {
             MultiBuffer::singleton(cx.new_model(|cx| Buffer::local(String::new(), cx)), cx)
         });
         let context_store = cx.new_model(|_cx| ContextStore::new());
-        let codegen = cx.new_model(|_| Codegen::new(terminal, self.telemetry.clone()));
+        let codegen = cx.new_model(|_| TerminalCodegen::new(terminal, self.telemetry.clone()));
 
         let prompt_editor = cx.new_view(|cx| {
-            PromptEditor::new(
+            PromptEditor::new_terminal(
                 assist_id,
                 self.prompt_history.clone(),
                 prompt_buffer.clone(),
@@ -150,11 +131,11 @@ impl TerminalInlineAssistant {
 
     fn handle_prompt_editor_event(
         &mut self,
-        prompt_editor: View<PromptEditor>,
+        prompt_editor: View<PromptEditor<TerminalCodegen>>,
         event: &PromptEditorEvent,
         cx: &mut WindowContext,
     ) {
-        let assist_id = prompt_editor.read(cx).id;
+        let assist_id = prompt_editor.read(cx).id();
         match event {
             PromptEditorEvent::StartRequested => {
                 self.start_assist(assist_id, cx);
@@ -380,8 +361,8 @@ impl TerminalInlineAssistant {
 
 struct TerminalInlineAssist {
     terminal: WeakView<TerminalView>,
-    prompt_editor: Option<View<PromptEditor>>,
-    codegen: Model<Codegen>,
+    prompt_editor: Option<View<PromptEditor<TerminalCodegen>>>,
+    codegen: Model<TerminalCodegen>,
     workspace: WeakView<Workspace>,
     context_store: Model<ContextStore>,
     _subscriptions: Vec<Subscription>,
@@ -391,12 +372,12 @@ impl TerminalInlineAssist {
     pub fn new(
         assist_id: TerminalInlineAssistId,
         terminal: &View<TerminalView>,
-        prompt_editor: View<PromptEditor>,
+        prompt_editor: View<PromptEditor<TerminalCodegen>>,
         workspace: WeakView<Workspace>,
         context_store: Model<ContextStore>,
         cx: &mut WindowContext,
     ) -> Self {
-        let codegen = prompt_editor.read(cx).codegen.clone();
+        let codegen = prompt_editor.read(cx).codegen().clone();
         Self {
             terminal: terminal.downgrade(),
             prompt_editor: Some(prompt_editor.clone()),
@@ -447,660 +428,3 @@ impl TerminalInlineAssist {
         }
     }
 }
-
-enum PromptEditorEvent {
-    StartRequested,
-    StopRequested,
-    ConfirmRequested { execute: bool },
-    CancelRequested,
-    DismissRequested,
-    Resized { height_in_lines: u8 },
-}
-
-struct PromptEditor {
-    id: TerminalInlineAssistId,
-    height_in_lines: u8,
-    editor: View<Editor>,
-    context_strip: View<ContextStrip>,
-    context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
-    language_model_selector: View<LanguageModelSelector>,
-    edited_since_done: bool,
-    prompt_history: VecDeque<String>,
-    prompt_history_ix: Option<usize>,
-    pending_prompt: String,
-    codegen: Model<Codegen>,
-    _codegen_subscription: Subscription,
-    editor_subscriptions: Vec<Subscription>,
-}
-
-impl EventEmitter<PromptEditorEvent> for PromptEditor {}
-
-impl Render for PromptEditor {
-    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
-        let status = &self.codegen.read(cx).status;
-        let mut buttons = Vec::new();
-
-        buttons.extend(match status {
-            CodegenStatus::Idle => vec![
-                IconButton::new("cancel", IconName::Close)
-                    .icon_color(Color::Muted)
-                    .shape(IconButtonShape::Square)
-                    .tooltip(|cx| Tooltip::for_action("Cancel Assist", &menu::Cancel, cx))
-                    .on_click(cx.listener(|_, _, cx| cx.emit(PromptEditorEvent::CancelRequested)))
-                    .into_any_element(),
-                IconButton::new("start", IconName::SparkleAlt)
-                    .icon_color(Color::Muted)
-                    .shape(IconButtonShape::Square)
-                    .tooltip(|cx| Tooltip::for_action("Generate", &menu::Confirm, cx))
-                    .on_click(cx.listener(|_, _, cx| cx.emit(PromptEditorEvent::StartRequested)))
-                    .into_any_element(),
-            ],
-            CodegenStatus::Pending => vec![
-                IconButton::new("cancel", IconName::Close)
-                    .icon_color(Color::Muted)
-                    .shape(IconButtonShape::Square)
-                    .tooltip(|cx| Tooltip::text("Cancel Assist", cx))
-                    .on_click(cx.listener(|_, _, cx| cx.emit(PromptEditorEvent::CancelRequested)))
-                    .into_any_element(),
-                IconButton::new("stop", IconName::Stop)
-                    .icon_color(Color::Error)
-                    .shape(IconButtonShape::Square)
-                    .tooltip(|cx| {
-                        Tooltip::with_meta(
-                            "Interrupt Generation",
-                            Some(&menu::Cancel),
-                            "Changes won't be discarded",
-                            cx,
-                        )
-                    })
-                    .on_click(cx.listener(|_, _, cx| cx.emit(PromptEditorEvent::StopRequested)))
-                    .into_any_element(),
-            ],
-            CodegenStatus::Error(_) | CodegenStatus::Done => {
-                let cancel = IconButton::new("cancel", IconName::Close)
-                    .icon_color(Color::Muted)
-                    .shape(IconButtonShape::Square)
-                    .tooltip(|cx| Tooltip::for_action("Cancel Assist", &menu::Cancel, cx))
-                    .on_click(cx.listener(|_, _, cx| cx.emit(PromptEditorEvent::CancelRequested)))
-                    .into_any_element();
-
-                let has_error = matches!(status, CodegenStatus::Error(_));
-                if has_error || self.edited_since_done {
-                    vec![
-                        cancel,
-                        IconButton::new("restart", IconName::RotateCw)
-                            .icon_color(Color::Info)
-                            .shape(IconButtonShape::Square)
-                            .tooltip(|cx| {
-                                Tooltip::with_meta(
-                                    "Restart Generation",
-                                    Some(&menu::Confirm),
-                                    "Changes will be discarded",
-                                    cx,
-                                )
-                            })
-                            .on_click(cx.listener(|_, _, cx| {
-                                cx.emit(PromptEditorEvent::StartRequested);
-                            }))
-                            .into_any_element(),
-                    ]
-                } else {
-                    vec![
-                        cancel,
-                        IconButton::new("accept", IconName::Check)
-                            .icon_color(Color::Info)
-                            .shape(IconButtonShape::Square)
-                            .tooltip(|cx| {
-                                Tooltip::for_action("Accept Generated Command", &menu::Confirm, cx)
-                            })
-                            .on_click(cx.listener(|_, _, cx| {
-                                cx.emit(PromptEditorEvent::ConfirmRequested { execute: false });
-                            }))
-                            .into_any_element(),
-                        IconButton::new("confirm", IconName::Play)
-                            .icon_color(Color::Info)
-                            .shape(IconButtonShape::Square)
-                            .tooltip(|cx| {
-                                Tooltip::for_action(
-                                    "Execute Generated Command",
-                                    &menu::SecondaryConfirm,
-                                    cx,
-                                )
-                            })
-                            .on_click(cx.listener(|_, _, cx| {
-                                cx.emit(PromptEditorEvent::ConfirmRequested { execute: true });
-                            }))
-                            .into_any_element(),
-                    ]
-                }
-            }
-        });
-
-        v_flex()
-            .border_y_1()
-            .border_color(cx.theme().status().info_border)
-            .py_2()
-            .size_full()
-            .child(
-                h_flex()
-                    .key_context("PromptEditor")
-                    .bg(cx.theme().colors().editor_background)
-                    .on_action(cx.listener(Self::toggle_context_picker))
-                    .on_action(cx.listener(Self::confirm))
-                    .on_action(cx.listener(Self::secondary_confirm))
-                    .on_action(cx.listener(Self::cancel))
-                    .on_action(cx.listener(Self::move_up))
-                    .on_action(cx.listener(Self::move_down))
-                    .child(
-                        h_flex()
-                            .w_12()
-                            .justify_center()
-                            .gap_2()
-                            .child(LanguageModelSelectorPopoverMenu::new(
-                                self.language_model_selector.clone(),
-                                IconButton::new("context", IconName::SettingsAlt)
-                                    .shape(IconButtonShape::Square)
-                                    .icon_size(IconSize::Small)
-                                    .icon_color(Color::Muted)
-                                    .tooltip(move |cx| {
-                                        Tooltip::with_meta(
-                                            format!(
-                                                "Using {}",
-                                                LanguageModelRegistry::read_global(cx)
-                                                    .active_model()
-                                                    .map(|model| model.name().0)
-                                                    .unwrap_or_else(|| "No model selected".into()),
-                                            ),
-                                            None,
-                                            "Change Model",
-                                            cx,
-                                        )
-                                    }),
-                            ))
-                            .children(
-                                if let CodegenStatus::Error(error) = &self.codegen.read(cx).status {
-                                    let error_message = SharedString::from(error.to_string());
-                                    Some(
-                                        div()
-                                            .id("error")
-                                            .tooltip(move |cx| {
-                                                Tooltip::text(error_message.clone(), cx)
-                                            })
-                                            .child(
-                                                Icon::new(IconName::XCircle)
-                                                    .size(IconSize::Small)
-                                                    .color(Color::Error),
-                                            ),
-                                    )
-                                } else {
-                                    None
-                                },
-                            ),
-                    )
-                    .child(div().flex_1().child(self.render_prompt_editor(cx)))
-                    .child(h_flex().gap_1().pr_4().children(buttons)),
-            )
-            .child(h_flex().child(self.context_strip.clone()))
-    }
-}
-
-impl FocusableView for PromptEditor {
-    fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
-        self.editor.focus_handle(cx)
-    }
-}
-
-impl PromptEditor {
-    const MAX_LINES: u8 = 8;
-
-    #[allow(clippy::too_many_arguments)]
-    fn new(
-        id: TerminalInlineAssistId,
-        prompt_history: VecDeque<String>,
-        prompt_buffer: Model<MultiBuffer>,
-        codegen: Model<Codegen>,
-        fs: Arc<dyn Fs>,
-        context_store: Model<ContextStore>,
-        workspace: WeakView<Workspace>,
-        thread_store: Option<WeakModel<ThreadStore>>,
-        cx: &mut ViewContext<Self>,
-    ) -> Self {
-        let prompt_editor = cx.new_view(|cx| {
-            let mut editor = Editor::new(
-                EditorMode::AutoHeight {
-                    max_lines: Self::MAX_LINES as usize,
-                },
-                prompt_buffer,
-                None,
-                false,
-                cx,
-            );
-            editor.set_soft_wrap_mode(language::language_settings::SoftWrap::EditorWidth, cx);
-            editor.set_placeholder_text(Self::placeholder_text(cx), cx);
-            editor
-        });
-        let context_picker_menu_handle = PopoverMenuHandle::default();
-
-        let mut this = Self {
-            id,
-            height_in_lines: 1,
-            editor: prompt_editor.clone(),
-            context_strip: cx.new_view(|cx| {
-                ContextStrip::new(
-                    context_store,
-                    workspace.clone(),
-                    thread_store.clone(),
-                    prompt_editor.focus_handle(cx),
-                    context_picker_menu_handle.clone(),
-                    cx,
-                )
-            }),
-            context_picker_menu_handle,
-            language_model_selector: cx.new_view(|cx| {
-                let fs = fs.clone();
-                LanguageModelSelector::new(
-                    move |model, cx| {
-                        update_settings_file::<AssistantSettings>(
-                            fs.clone(),
-                            cx,
-                            move |settings, _| settings.set_model(model.clone()),
-                        );
-                    },
-                    cx,
-                )
-            }),
-            edited_since_done: false,
-            prompt_history,
-            prompt_history_ix: None,
-            pending_prompt: String::new(),
-            _codegen_subscription: cx.observe(&codegen, Self::handle_codegen_changed),
-            editor_subscriptions: Vec::new(),
-            codegen,
-        };
-        this.count_lines(cx);
-        this.subscribe_to_editor(cx);
-        this
-    }
-
-    fn placeholder_text(cx: &WindowContext) -> String {
-        let context_keybinding = text_for_action(&crate::ToggleFocus, cx)
-            .map(|keybinding| format!(" • {keybinding} for context"))
-            .unwrap_or_default();
-
-        format!("Generate…{context_keybinding} ↓↑ for history")
-    }
-
-    fn subscribe_to_editor(&mut self, cx: &mut ViewContext<Self>) {
-        self.editor_subscriptions.clear();
-        self.editor_subscriptions
-            .push(cx.observe(&self.editor, Self::handle_prompt_editor_changed));
-        self.editor_subscriptions
-            .push(cx.subscribe(&self.editor, Self::handle_prompt_editor_events));
-    }
-
-    fn prompt(&self, cx: &AppContext) -> String {
-        self.editor.read(cx).text(cx)
-    }
-
-    fn count_lines(&mut self, cx: &mut ViewContext<Self>) {
-        let height_in_lines = cmp::max(
-            2, // Make the editor at least two lines tall, to account for padding and buttons.
-            cmp::min(
-                self.editor
-                    .update(cx, |editor, cx| editor.max_point(cx).row().0 + 1),
-                Self::MAX_LINES as u32,
-            ),
-        ) as u8;
-
-        if height_in_lines != self.height_in_lines {
-            self.height_in_lines = height_in_lines;
-            cx.emit(PromptEditorEvent::Resized { height_in_lines });
-        }
-    }
-
-    fn handle_prompt_editor_changed(&mut self, _: View<Editor>, cx: &mut ViewContext<Self>) {
-        self.count_lines(cx);
-    }
-
-    fn handle_prompt_editor_events(
-        &mut self,
-        _: View<Editor>,
-        event: &EditorEvent,
-        cx: &mut ViewContext<Self>,
-    ) {
-        match event {
-            EditorEvent::Edited { .. } => {
-                let prompt = self.editor.read(cx).text(cx);
-                if self
-                    .prompt_history_ix
-                    .map_or(true, |ix| self.prompt_history[ix] != prompt)
-                {
-                    self.prompt_history_ix.take();
-                    self.pending_prompt = prompt;
-                }
-
-                self.edited_since_done = true;
-                cx.notify();
-            }
-            _ => {}
-        }
-    }
-
-    fn handle_codegen_changed(&mut self, _: Model<Codegen>, cx: &mut ViewContext<Self>) {
-        match &self.codegen.read(cx).status {
-            CodegenStatus::Idle => {
-                self.editor
-                    .update(cx, |editor, _| editor.set_read_only(false));
-            }
-            CodegenStatus::Pending => {
-                self.editor
-                    .update(cx, |editor, _| editor.set_read_only(true));
-            }
-            CodegenStatus::Done | CodegenStatus::Error(_) => {
-                self.edited_since_done = false;
-                self.editor
-                    .update(cx, |editor, _| editor.set_read_only(false));
-            }
-        }
-    }
-
-    fn toggle_context_picker(&mut self, _: &ToggleContextPicker, cx: &mut ViewContext<Self>) {
-        self.context_picker_menu_handle.toggle(cx);
-    }
-
-    fn cancel(&mut self, _: &editor::actions::Cancel, cx: &mut ViewContext<Self>) {
-        match &self.codegen.read(cx).status {
-            CodegenStatus::Idle | CodegenStatus::Done | CodegenStatus::Error(_) => {
-                cx.emit(PromptEditorEvent::CancelRequested);
-            }
-            CodegenStatus::Pending => {
-                cx.emit(PromptEditorEvent::StopRequested);
-            }
-        }
-    }
-
-    fn confirm(&mut self, _: &menu::Confirm, cx: &mut ViewContext<Self>) {
-        match &self.codegen.read(cx).status {
-            CodegenStatus::Idle => {
-                if !self.editor.read(cx).text(cx).trim().is_empty() {
-                    cx.emit(PromptEditorEvent::StartRequested);
-                }
-            }
-            CodegenStatus::Pending => {
-                cx.emit(PromptEditorEvent::DismissRequested);
-            }
-            CodegenStatus::Done => {
-                if self.edited_since_done {
-                    cx.emit(PromptEditorEvent::StartRequested);
-                } else {
-                    cx.emit(PromptEditorEvent::ConfirmRequested { execute: false });
-                }
-            }
-            CodegenStatus::Error(_) => {
-                cx.emit(PromptEditorEvent::StartRequested);
-            }
-        }
-    }
-
-    fn secondary_confirm(&mut self, _: &menu::SecondaryConfirm, cx: &mut ViewContext<Self>) {
-        if matches!(self.codegen.read(cx).status, CodegenStatus::Done) {
-            cx.emit(PromptEditorEvent::ConfirmRequested { execute: true });
-        }
-    }
-
-    fn move_up(&mut self, _: &MoveUp, cx: &mut ViewContext<Self>) {
-        if let Some(ix) = self.prompt_history_ix {
-            if ix > 0 {
-                self.prompt_history_ix = Some(ix - 1);
-                let prompt = self.prompt_history[ix - 1].as_str();
-                self.editor.update(cx, |editor, cx| {
-                    editor.set_text(prompt, cx);
-                    editor.move_to_beginning(&Default::default(), cx);
-                });
-            }
-        } else if !self.prompt_history.is_empty() {
-            self.prompt_history_ix = Some(self.prompt_history.len() - 1);
-            let prompt = self.prompt_history[self.prompt_history.len() - 1].as_str();
-            self.editor.update(cx, |editor, cx| {
-                editor.set_text(prompt, cx);
-                editor.move_to_beginning(&Default::default(), cx);
-            });
-        }
-    }
-
-    fn move_down(&mut self, _: &MoveDown, cx: &mut ViewContext<Self>) {
-        if let Some(ix) = self.prompt_history_ix {
-            if ix < self.prompt_history.len() - 1 {
-                self.prompt_history_ix = Some(ix + 1);
-                let prompt = self.prompt_history[ix + 1].as_str();
-                self.editor.update(cx, |editor, cx| {
-                    editor.set_text(prompt, cx);
-                    editor.move_to_end(&Default::default(), cx)
-                });
-            } else {
-                self.prompt_history_ix = None;
-                let prompt = self.pending_prompt.as_str();
-                self.editor.update(cx, |editor, cx| {
-                    editor.set_text(prompt, cx);
-                    editor.move_to_end(&Default::default(), cx)
-                });
-            }
-        }
-    }
-
-    fn render_prompt_editor(&self, cx: &mut ViewContext<Self>) -> impl IntoElement {
-        let settings = ThemeSettings::get_global(cx);
-        let text_style = TextStyle {
-            color: if self.editor.read(cx).read_only(cx) {
-                cx.theme().colors().text_disabled
-            } else {
-                cx.theme().colors().text
-            },
-            font_family: settings.buffer_font.family.clone(),
-            font_fallbacks: settings.buffer_font.fallbacks.clone(),
-            font_size: settings.buffer_font_size.into(),
-            font_weight: settings.buffer_font.weight,
-            line_height: relative(settings.buffer_line_height.value()),
-            ..Default::default()
-        };
-        EditorElement::new(
-            &self.editor,
-            EditorStyle {
-                background: cx.theme().colors().editor_background,
-                local_player: cx.theme().players().local(),
-                text: text_style,
-                ..Default::default()
-            },
-        )
-    }
-}
-
-#[derive(Debug)]
-pub enum CodegenEvent {
-    Finished,
-}
-
-impl EventEmitter<CodegenEvent> for Codegen {}
-
-const CLEAR_INPUT: &str = "\x15";
-const CARRIAGE_RETURN: &str = "\x0d";
-
-struct TerminalTransaction {
-    terminal: Model<Terminal>,
-}
-
-impl TerminalTransaction {
-    pub fn start(terminal: Model<Terminal>) -> Self {
-        Self { terminal }
-    }
-
-    pub fn push(&mut self, hunk: String, cx: &mut AppContext) {
-        // Ensure that the assistant cannot accidentally execute commands that are streamed into the terminal
-        let input = Self::sanitize_input(hunk);
-        self.terminal
-            .update(cx, |terminal, _| terminal.input(input));
-    }
-
-    pub fn undo(&self, cx: &mut AppContext) {
-        self.terminal
-            .update(cx, |terminal, _| terminal.input(CLEAR_INPUT.to_string()));
-    }
-
-    pub fn complete(&self, cx: &mut AppContext) {
-        self.terminal.update(cx, |terminal, _| {
-            terminal.input(CARRIAGE_RETURN.to_string())
-        });
-    }
-
-    fn sanitize_input(input: String) -> String {
-        input.replace(['\r', '\n'], "")
-    }
-}
-
-pub struct Codegen {
-    status: CodegenStatus,
-    telemetry: Option<Arc<Telemetry>>,
-    terminal: Model<Terminal>,
-    generation: Task<()>,
-    message_id: Option<String>,
-    transaction: Option<TerminalTransaction>,
-}
-
-impl Codegen {
-    pub fn new(terminal: Model<Terminal>, telemetry: Option<Arc<Telemetry>>) -> Self {
-        Self {
-            terminal,
-            telemetry,
-            status: CodegenStatus::Idle,
-            generation: Task::ready(()),
-            message_id: None,
-            transaction: None,
-        }
-    }
-
-    pub fn start(&mut self, prompt: LanguageModelRequest, cx: &mut ModelContext<Self>) {
-        let Some(model) = LanguageModelRegistry::read_global(cx).active_model() else {
-            return;
-        };
-
-        let model_api_key = model.api_key(cx);
-        let http_client = cx.http_client();
-        let telemetry = self.telemetry.clone();
-        self.status = CodegenStatus::Pending;
-        self.transaction = Some(TerminalTransaction::start(self.terminal.clone()));
-        self.generation = cx.spawn(|this, mut cx| async move {
-            let model_telemetry_id = model.telemetry_id();
-            let model_provider_id = model.provider_id();
-            let response = model.stream_completion_text(prompt, &cx).await;
-            let generate = async {
-                let message_id = response
-                    .as_ref()
-                    .ok()
-                    .and_then(|response| response.message_id.clone());
-
-                let (mut hunks_tx, mut hunks_rx) = mpsc::channel(1);
-
-                let task = cx.background_executor().spawn({
-                    let message_id = message_id.clone();
-                    let executor = cx.background_executor().clone();
-                    async move {
-                        let mut response_latency = None;
-                        let request_start = Instant::now();
-                        let task = async {
-                            let mut chunks = response?.stream;
-                            while let Some(chunk) = chunks.next().await {
-                                if response_latency.is_none() {
-                                    response_latency = Some(request_start.elapsed());
-                                }
-                                let chunk = chunk?;
-                                hunks_tx.send(chunk).await?;
-                            }
-
-                            anyhow::Ok(())
-                        };
-
-                        let result = task.await;
-
-                        let error_message = result.as_ref().err().map(|error| error.to_string());
-                        report_assistant_event(
-                            AssistantEvent {
-                                conversation_id: None,
-                                kind: AssistantKind::InlineTerminal,
-                                message_id,
-                                phase: AssistantPhase::Response,
-                                model: model_telemetry_id,
-                                model_provider: model_provider_id.to_string(),
-                                response_latency,
-                                error_message,
-                                language_name: None,
-                            },
-                            telemetry,
-                            http_client,
-                            model_api_key,
-                            &executor,
-                        );
-
-                        result?;
-                        anyhow::Ok(())
-                    }
-                });
-
-                this.update(&mut cx, |this, _| {
-                    this.message_id = message_id;
-                })?;
-
-                while let Some(hunk) = hunks_rx.next().await {
-                    this.update(&mut cx, |this, cx| {
-                        if let Some(transaction) = &mut this.transaction {
-                            transaction.push(hunk, cx);
-                            cx.notify();
-                        }
-                    })?;
-                }
-
-                task.await?;
-                anyhow::Ok(())
-            };
-
-            let result = generate.await;
-
-            this.update(&mut cx, |this, cx| {
-                if let Err(error) = result {
-                    this.status = CodegenStatus::Error(error);
-                } else {
-                    this.status = CodegenStatus::Done;
-                }
-                cx.emit(CodegenEvent::Finished);
-                cx.notify();
-            })
-            .ok();
-        });
-        cx.notify();
-    }
-
-    pub fn stop(&mut self, cx: &mut ModelContext<Self>) {
-        self.status = CodegenStatus::Done;
-        self.generation = Task::ready(());
-        cx.emit(CodegenEvent::Finished);
-        cx.notify();
-    }
-
-    pub fn complete(&mut self, cx: &mut ModelContext<Self>) {
-        if let Some(transaction) = self.transaction.take() {
-            transaction.complete(cx);
-        }
-    }
-
-    pub fn undo(&mut self, cx: &mut ModelContext<Self>) {
-        if let Some(transaction) = self.transaction.take() {
-            transaction.undo(cx);
-        }
-    }
-}
-
-enum CodegenStatus {
-    Idle,
-    Pending,
-    Done,
-    Error(anyhow::Error),
-}

crates/assistant2/src/thread.rs

@@ -164,6 +164,27 @@ impl Thread {
         id
     }
 
+    /// Returns the representation of this [`Thread`] in a textual form.
+    ///
+    /// This is the representation we use when attaching a thread as context to another thread.
+    pub fn text(&self) -> String {
+        let mut text = String::new();
+
+        for message in &self.messages {
+            text.push_str(match message.role {
+                language_model::Role::User => "User:",
+                language_model::Role::Assistant => "Assistant:",
+                language_model::Role::System => "System:",
+            });
+            text.push('\n');
+
+            text.push_str(&message.text);
+            text.push('\n');
+        }
+
+        text
+    }
+
     pub fn to_completion_request(
         &self,
         _request_kind: RequestKind,

crates/assistant2/src/thread_store.rs

@@ -238,5 +238,46 @@ impl ThreadStore {
         Async programming in Rust provides a powerful way to write concurrent code that's both safe and efficient. It's particularly useful for servers, network programming, and any application that deals with many concurrent operations.".unindent(), cx);
             thread
         }));
+
+        self.threads.push(cx.new_model(|cx| {
+            let mut thread = Thread::new(self.tools.clone(), cx);
+            thread.set_summary("Rust code with long lines", cx);
+            thread.insert_user_message("Could you write me some Rust code with long lines?", Vec::new(), cx);
+            thread.insert_message(Role::Assistant, r#"Here's some Rust code with some intentionally long lines:
+            ```rust
+            use std::collections::{HashMap, HashSet};
+            use std::sync::{Arc, Mutex};
+            use std::thread;
+
+            fn main() {
+                let very_long_vector = vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25];
+
+                let complicated_hashmap: HashMap<String, Vec<(i32, f64, String)>> = [("key1".to_string(), vec![(1, 1.1, "value1".to_string()), (2, 2.2, "value2".to_string())]), ("key2".to_string(), vec![(3, 3.3, "value3".to_string()), (4, 4.4, "value4".to_string())])].iter().cloned().collect();
+
+                let nested_structure = Arc::new(Mutex::new(HashMap::new()));
+
+                let long_closure = |x: i32, y: i32, z: i32| -> i32 { let result = x * y + z; println!("The result of the long closure calculation is: {}", result); result };
+
+                let thread_handles: Vec<_> = (0..10).map(|i| {
+                    let nested_structure_clone = Arc::clone(&nested_structure);
+                    thread::spawn(move || {
+                        let mut lock = nested_structure_clone.lock().unwrap();
+                        lock.entry(format!("thread_{}", i)).or_insert_with(|| HashSet::new()).insert(i * i);
+                    })
+                }).collect();
+
+                for handle in thread_handles {
+                    handle.join().unwrap();
+                }
+
+                println!("The final state of the nested structure is: {:?}", nested_structure.lock().unwrap());
+
+                let complex_expression = very_long_vector.iter().filter(|&&x| x % 2 == 0).map(|&x| x * x).fold(0, |acc, x| acc + x) + long_closure(5, 10, 15);
+
+                println!("The result of the complex expression is: {}", complex_expression);
+            }
+            ```"#.unindent(), cx);
+            thread
+        }));
     }
 }

crates/assistant2/src/ui/context_pill.rs

@@ -3,7 +3,7 @@ use std::rc::Rc;
 use gpui::ClickEvent;
 use ui::{prelude::*, IconButtonShape};
 
-use crate::context::Context;
+use crate::context::{Context, ContextKind};
 
 #[derive(IntoElement)]
 pub struct ContextPill {
@@ -27,15 +27,28 @@ impl ContextPill {
 
 impl RenderOnce for ContextPill {
     fn render(self, cx: &mut WindowContext) -> impl IntoElement {
+        let padding_right = if self.on_remove.is_some() {
+            px(2.)
+        } else {
+            px(4.)
+        };
+        let icon = match self.context.kind {
+            ContextKind::File(_) => IconName::File,
+            ContextKind::Directory => IconName::Folder,
+            ContextKind::FetchedUrl => IconName::Globe,
+            ContextKind::Thread(_) => IconName::MessageCircle,
+        };
+
         h_flex()
             .gap_1()
-            .pl_1p5()
-            .pr_0p5()
+            .pl_1()
+            .pr(padding_right)
             .pb(px(1.))
             .border_1()
             .border_color(cx.theme().colors().border.opacity(0.5))
             .bg(cx.theme().colors().element_background)
             .rounded_md()
+            .child(Icon::new(icon).size(IconSize::XSmall).color(Color::Muted))
             .child(Label::new(self.context.name.clone()).size(LabelSize::Small))
             .when_some(self.on_remove, |parent, on_remove| {
                 parent.child(

crates/auto_update_ui/src/update_notification.rs

@@ -18,7 +18,7 @@ pub struct UpdateNotification {
 impl EventEmitter<DismissEvent> for UpdateNotification {}
 
 impl Render for UpdateNotification {
-    fn render(&mut self, cx: &mut gpui::ViewContext<Self>) -> impl IntoElement {
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
         let app_name = ReleaseChannel::global(cx).display_name();
 
         v_flex()

crates/breadcrumbs/Cargo.toml

@@ -16,10 +16,10 @@ doctest = false
 editor.workspace = true
 gpui.workspace = true
 itertools.workspace = true
-outline.workspace = true
 theme.workspace = true
 ui.workspace = true
 workspace.workspace = true
+zed_actions.workspace = true
 
 [dev-dependencies]
 editor = { workspace = true, features = ["test-support"] }

crates/breadcrumbs/src/breadcrumbs.rs

@@ -39,10 +39,17 @@ impl EventEmitter<ToolbarItemEvent> for Breadcrumbs {}
 impl Render for Breadcrumbs {
     fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
         const MAX_SEGMENTS: usize = 12;
-        let element = h_flex().text_ui(cx);
+
+        let element = h_flex()
+            .id("breadcrumb-container")
+            .flex_grow()
+            .overflow_x_scroll()
+            .text_ui(cx);
+
         let Some(active_item) = self.active_item.as_ref() else {
             return element;
         };
+
         let Some(mut segments) = active_item.breadcrumbs(cx.theme(), cx) else {
             return element;
         };
@@ -52,6 +59,7 @@ impl Render for Breadcrumbs {
             prefix_end_ix,
             segments.len().saturating_sub(MAX_SEGMENTS / 2),
         );
+
         if suffix_start_ix > prefix_end_ix {
             segments.splice(
                 prefix_end_ix..suffix_start_ix,
@@ -82,6 +90,7 @@ impl Render for Breadcrumbs {
         });
 
         let breadcrumbs_stack = h_flex().gap_1().children(breadcrumbs);
+
         match active_item
             .downcast::<Editor>()
             .map(|editor| editor.downgrade())
@@ -93,8 +102,11 @@ impl Render for Breadcrumbs {
                     .on_click({
                         let editor = editor.clone();
                         move |_, cx| {
-                            if let Some(editor) = editor.upgrade() {
-                                outline::toggle(editor, &editor::actions::ToggleOutline, cx)
+                            if let Some((editor, callback)) = editor
+                                .upgrade()
+                                .zip(zed_actions::outline::TOGGLE_OUTLINE.get())
+                            {
+                                callback(editor.to_any(), cx);
                             }
                         }
                     })
@@ -102,15 +114,15 @@ impl Render for Breadcrumbs {
                         if let Some(editor) = editor.upgrade() {
                             let focus_handle = editor.read(cx).focus_handle(cx);
                             Tooltip::for_action_in(
-                                "Show symbol outline",
-                                &editor::actions::ToggleOutline,
+                                "Show Symbol Outline",
+                                &zed_actions::outline::ToggleOutline,
                                 &focus_handle,
                                 cx,
                             )
                         } else {
                             Tooltip::for_action(
-                                "Show symbol outline",
-                                &editor::actions::ToggleOutline,
+                                "Show Symbol Outline",
+                                &zed_actions::outline::ToggleOutline,
                                 cx,
                             )
                         }

crates/call/Cargo.toml

@@ -40,6 +40,7 @@ schemars.workspace = true
 serde.workspace = true
 serde_derive.workspace = true
 settings.workspace = true
+telemetry.workspace = true
 util.workspace = true
 
 [target.'cfg(target_os = "macos")'.dependencies]

crates/call/src/cross_platform/mod.rs

@@ -250,7 +250,9 @@ impl ActiveCall {
         cx.spawn(move |this, mut cx| async move {
             let result = invite.await;
             if result.is_ok() {
-                this.update(&mut cx, |this, cx| this.report_call_event("invite", cx))?;
+                this.update(&mut cx, |this, cx| {
+                    this.report_call_event("Participant Invited", cx)
+                })?;
             } else {
                 //TODO: report collaboration error
                 log::error!("invite failed: {:?}", result);
@@ -318,7 +320,7 @@ impl ActiveCall {
             this.update(&mut cx, |this, cx| this.set_room(room.clone(), cx))?
                 .await?;
             this.update(&mut cx, |this, cx| {
-                this.report_call_event("accept incoming", cx)
+                this.report_call_event("Incoming Call Accepted", cx)
             })?;
             Ok(())
         })
@@ -331,7 +333,7 @@ impl ActiveCall {
             .borrow_mut()
             .take()
             .ok_or_else(|| anyhow!("no incoming call"))?;
-        report_call_event_for_room("decline incoming", call.room_id, None, &self.client);
+        telemetry::event!("Incoming Call Declined", room_id = call.room_id);
         self.client.send(proto::DeclineCall {
             room_id: call.room_id,
         })?;
@@ -366,7 +368,7 @@ impl ActiveCall {
             this.update(&mut cx, |this, cx| this.set_room(room.clone(), cx))?
                 .await?;
             this.update(&mut cx, |this, cx| {
-                this.report_call_event("join channel", cx)
+                this.report_call_event("Channel Joined", cx)
             })?;
             Ok(room)
         })
@@ -374,7 +376,7 @@ impl ActiveCall {
 
     pub fn hang_up(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
         cx.notify();
-        self.report_call_event("hang up", cx);
+        self.report_call_event("Call Ended", cx);
 
         Audio::end_call(cx);
 
@@ -393,7 +395,7 @@ impl ActiveCall {
         cx: &mut ModelContext<Self>,
     ) -> Task<Result<u64>> {
         if let Some((room, _)) = self.room.as_ref() {
-            self.report_call_event("share project", cx);
+            self.report_call_event("Project Shared", cx);
             room.update(cx, |room, cx| room.share_project(project, cx))
         } else {
             Task::ready(Err(anyhow!("no active call")))
@@ -406,7 +408,7 @@ impl ActiveCall {
         cx: &mut ModelContext<Self>,
     ) -> Result<()> {
         if let Some((room, _)) = self.room.as_ref() {
-            self.report_call_event("unshare project", cx);
+            self.report_call_event("Project Unshared", cx);
             room.update(cx, |room, cx| room.unshare_project(project, cx))
         } else {
             Err(anyhow!("no active call"))
@@ -486,35 +488,15 @@ impl ActiveCall {
     pub fn report_call_event(&self, operation: &'static str, cx: &mut AppContext) {
         if let Some(room) = self.room() {
             let room = room.read(cx);
-            report_call_event_for_room(operation, room.id(), room.channel_id(), &self.client);
+            telemetry::event!(
+                operation,
+                room_id = room.id(),
+                channel_id = room.channel_id()
+            )
         }
     }
 }
 
-pub fn report_call_event_for_room(
-    operation: &'static str,
-    room_id: u64,
-    channel_id: Option<ChannelId>,
-    client: &Arc<Client>,
-) {
-    let telemetry = client.telemetry();
-
-    telemetry.report_call_event(operation, Some(room_id), channel_id)
-}
-
-pub fn report_call_event_for_channel(
-    operation: &'static str,
-    channel_id: ChannelId,
-    client: &Arc<Client>,
-    cx: &AppContext,
-) {
-    let room = ActiveCall::global(cx).read(cx).room();
-
-    let telemetry = client.telemetry();
-
-    telemetry.report_call_event(operation, room.map(|r| r.read(cx).id()), Some(channel_id))
-}
-
 #[cfg(test)]
 mod test {
     use gpui::TestAppContext;

crates/call/src/macos/mod.rs

@@ -243,7 +243,9 @@ impl ActiveCall {
         cx.spawn(move |this, mut cx| async move {
             let result = invite.await;
             if result.is_ok() {
-                this.update(&mut cx, |this, cx| this.report_call_event("invite", cx))?;
+                this.update(&mut cx, |this, cx| {
+                    this.report_call_event("Participant Invited", cx)
+                })?;
             } else {
                 //TODO: report collaboration error
                 log::error!("invite failed: {:?}", result);
@@ -311,7 +313,7 @@ impl ActiveCall {
             this.update(&mut cx, |this, cx| this.set_room(room.clone(), cx))?
                 .await?;
             this.update(&mut cx, |this, cx| {
-                this.report_call_event("accept incoming", cx)
+                this.report_call_event("Incoming Call Accepted", cx)
             })?;
             Ok(())
         })
@@ -324,7 +326,7 @@ impl ActiveCall {
             .borrow_mut()
             .take()
             .ok_or_else(|| anyhow!("no incoming call"))?;
-        report_call_event_for_room("decline incoming", call.room_id, None, &self.client);
+        telemetry::event!("Incoming Call Declined", room_id = call.room_id);
         self.client.send(proto::DeclineCall {
             room_id: call.room_id,
         })?;
@@ -359,7 +361,7 @@ impl ActiveCall {
             this.update(&mut cx, |this, cx| this.set_room(room.clone(), cx))?
                 .await?;
             this.update(&mut cx, |this, cx| {
-                this.report_call_event("join channel", cx)
+                this.report_call_event("Channel Joined", cx)
             })?;
             Ok(room)
         })
@@ -367,7 +369,7 @@ impl ActiveCall {
 
     pub fn hang_up(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
         cx.notify();
-        self.report_call_event("hang up", cx);
+        self.report_call_event("Call Ended", cx);
 
         Audio::end_call(cx);
 
@@ -386,7 +388,7 @@ impl ActiveCall {
         cx: &mut ModelContext<Self>,
     ) -> Task<Result<u64>> {
         if let Some((room, _)) = self.room.as_ref() {
-            self.report_call_event("share project", cx);
+            self.report_call_event("Project Shared", cx);
             room.update(cx, |room, cx| room.share_project(project, cx))
         } else {
             Task::ready(Err(anyhow!("no active call")))
@@ -399,7 +401,7 @@ impl ActiveCall {
         cx: &mut ModelContext<Self>,
     ) -> Result<()> {
         if let Some((room, _)) = self.room.as_ref() {
-            self.report_call_event("unshare project", cx);
+            self.report_call_event("Project Unshared", cx);
             room.update(cx, |room, cx| room.unshare_project(project, cx))
         } else {
             Err(anyhow!("no active call"))
@@ -479,35 +481,15 @@ impl ActiveCall {
     pub fn report_call_event(&self, operation: &'static str, cx: &mut AppContext) {
         if let Some(room) = self.room() {
             let room = room.read(cx);
-            report_call_event_for_room(operation, room.id(), room.channel_id(), &self.client);
+            telemetry::event!(
+                operation,
+                room_id = room.id(),
+                channel_id = room.channel_id()
+            );
         }
     }
 }
 
-pub fn report_call_event_for_room(
-    operation: &'static str,
-    room_id: u64,
-    channel_id: Option<ChannelId>,
-    client: &Arc<Client>,
-) {
-    let telemetry = client.telemetry();
-
-    telemetry.report_call_event(operation, Some(room_id), channel_id)
-}
-
-pub fn report_call_event_for_channel(
-    operation: &'static str,
-    channel_id: ChannelId,
-    client: &Arc<Client>,
-    cx: &AppContext,
-) {
-    let room = ActiveCall::global(cx).read(cx).room();
-
-    let telemetry = client.telemetry();
-
-    telemetry.report_call_event(operation, room.map(|r| r.read(cx).id()), Some(channel_id))
-}
-
 #[cfg(test)]
 mod test {
     use gpui::TestAppContext;

crates/cli/Cargo.toml

@@ -25,7 +25,6 @@ anyhow.workspace = true
 clap.workspace = true
 collections.workspace = true
 ipc-channel = "0.19"
-once_cell.workspace = true
 parking_lot.workspace = true
 paths.workspace = true
 release_channel.workspace = true

crates/cli/build.rs

@@ -2,4 +2,10 @@ fn main() {
     if std::env::var("ZED_UPDATE_EXPLANATION").is_ok() {
         println!(r#"cargo:rustc-cfg=feature="no-bundled-uninstall""#);
     }
+
+    if cfg!(target_os = "macos") {
+        println!("cargo:rustc-env=MACOSX_DEPLOYMENT_TARGET=10.15.7");
+        // Weakly link ScreenCaptureKit to ensure can be used on macOS 10.15+.
+        println!("cargo:rustc-link-arg=-Wl,-weak_framework,ScreenCaptureKit");
+    }
 }

crates/cli/src/main.rs

@@ -18,6 +18,12 @@ use std::{
 use tempfile::NamedTempFile;
 use util::paths::PathWithPosition;
 
+#[cfg(any(target_os = "linux", target_os = "freebsd"))]
+use {
+    std::io::IsTerminal,
+    util::{load_login_shell_environment, load_shell_from_passwd, ResultExt},
+};
+
 struct Detect;
 
 trait InstalledApp {
@@ -73,7 +79,7 @@ fn parse_path_with_position(argument_str: &str) -> anyhow::Result<String> {
         Ok(existing_path) => PathWithPosition::from_path(existing_path),
         Err(_) => {
             let path = PathWithPosition::parse_str(argument_str);
-            let curdir = env::current_dir().context("reteiving current directory")?;
+            let curdir = env::current_dir().context("retrieving current directory")?;
             path.map_path(|path| match fs::canonicalize(&path) {
                 Ok(path) => Ok(path),
                 Err(e) => {
@@ -161,7 +167,16 @@ fn main() -> Result<()> {
         None
     };
 
+    // On Linux, desktop entry uses `cli` to spawn `zed`, so we need to load env vars from the shell
+    // since it doesn't inherit env vars from the terminal.
+    #[cfg(any(target_os = "linux", target_os = "freebsd"))]
+    if !std::io::stdout().is_terminal() {
+        load_shell_from_passwd().log_err();
+        load_login_shell_environment().log_err();
+    }
+
     let env = Some(std::env::vars().collect::<HashMap<_, _>>());
+
     let exit_status = Arc::new(Mutex::new(None));
     let mut paths = vec![];
     let mut urls = vec![];
@@ -262,6 +277,7 @@ mod linux {
         os::unix::net::{SocketAddr, UnixDatagram},
         path::{Path, PathBuf},
         process::{self, ExitStatus},
+        sync::LazyLock,
         thread,
         time::Duration,
     };
@@ -269,12 +285,11 @@ mod linux {
     use anyhow::anyhow;
     use cli::FORCE_CLI_MODE_ENV_VAR_NAME;
     use fork::Fork;
-    use once_cell::sync::Lazy;
 
     use crate::{Detect, InstalledApp};
 
-    static RELEASE_CHANNEL: Lazy<String> =
-        Lazy::new(|| include_str!("../../zed/RELEASE_CHANNEL").trim().to_string());
+    static RELEASE_CHANNEL: LazyLock<String> =
+        LazyLock::new(|| include_str!("../../zed/RELEASE_CHANNEL").trim().to_string());
 
     struct App(PathBuf);
 

crates/client/Cargo.toml

@@ -27,7 +27,6 @@ futures.workspace = true
 gpui.workspace = true
 http_client.workspace = true
 log.workspace = true
-once_cell.workspace = true
 paths.workspace = true
 parking_lot.workspace = true
 postage.workspace = true

crates/client/src/telemetry.rs

@@ -8,7 +8,6 @@ use futures::channel::mpsc;
 use futures::{Future, StreamExt};
 use gpui::{AppContext, BackgroundExecutor, Task};
 use http_client::{self, AsyncBody, HttpClient, HttpClientWithUrl, Method, Request};
-use once_cell::sync::Lazy;
 use parking_lot::Mutex;
 use release_channel::ReleaseChannel;
 use settings::{Settings, SettingsStore};
@@ -16,10 +15,15 @@ use sha2::{Digest, Sha256};
 use std::fs::File;
 use std::io::Write;
 use std::time::Instant;
-use std::{env, mem, path::PathBuf, sync::Arc, time::Duration};
+use std::{
+    env, mem,
+    path::PathBuf,
+    sync::{Arc, LazyLock},
+    time::Duration,
+};
 use telemetry_events::{
     AppEvent, AssistantEvent, CallEvent, EditEvent, Event, EventRequestBody, EventWrapper,
-    InlineCompletionEvent, InlineCompletionRating, InlineCompletionRatingEvent, SettingEvent,
+    InlineCompletionEvent,
 };
 use util::{ResultExt, TryFutureExt};
 use worktree::{UpdatedEntriesSet, WorktreeId};
@@ -84,7 +88,7 @@ const FLUSH_INTERVAL: Duration = Duration::from_secs(1);
 
 #[cfg(not(debug_assertions))]
 const FLUSH_INTERVAL: Duration = Duration::from_secs(60 * 5);
-static ZED_CLIENT_CHECKSUM_SEED: Lazy<Option<Vec<u8>>> = Lazy::new(|| {
+static ZED_CLIENT_CHECKSUM_SEED: LazyLock<Option<Vec<u8>>> = LazyLock::new(|| {
     option_env!("ZED_CLIENT_CHECKSUM_SEED")
         .map(|s| s.as_bytes().into())
         .or_else(|| {
@@ -349,24 +353,6 @@ impl Telemetry {
         self.report_event(event)
     }
 
-    pub fn report_inline_completion_rating_event(
-        self: &Arc<Self>,
-        rating: InlineCompletionRating,
-        input_events: Arc<str>,
-        input_excerpt: Arc<str>,
-        output_excerpt: Arc<str>,
-        feedback: String,
-    ) {
-        let event = Event::InlineCompletionRating(InlineCompletionRatingEvent {
-            rating,
-            input_events,
-            input_excerpt,
-            output_excerpt,
-            feedback,
-        });
-        self.report_event(event);
-    }
-
     pub fn report_assistant_event(self: &Arc<Self>, event: AssistantEvent) {
         self.report_event(Event::Assistant(event));
     }
@@ -394,15 +380,6 @@ impl Telemetry {
         event
     }
 
-    pub fn report_setting_event(self: &Arc<Self>, setting: &'static str, value: String) {
-        let event = Event::Setting(SettingEvent {
-            setting: setting.to_string(),
-            value,
-        });
-
-        self.report_event(event)
-    }
-
     pub fn log_edit_event(self: &Arc<Self>, environment: &'static str, is_via_ssh: bool) {
         let mut state = self.state.lock();
         let period_data = state.event_coalescer.log_event(environment);

crates/client/src/user.rs

@@ -16,7 +16,9 @@ use util::TryFutureExt as _;
 
 pub type UserId = u64;
 
-#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy)]
+#[derive(
+    Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, serde::Serialize, serde::Deserialize,
+)]
 pub struct ChannelId(pub u64);
 
 impl std::fmt::Display for ChannelId {

crates/collab/README.md

@@ -8,7 +8,12 @@ It contains our back-end logic for collaboration, to which we connect from the Z
 
 ## Database setup
 
-Before you can run the collab server locally, you'll need to set up a zed Postgres database.
+Before you can run the collab server locally, you'll need to set up a zed Postgres database. Follow the steps sequentially:
+
+1. Ensure you have postgres installed. If not, install with `brew install postgresql@15`.
+2. Follow the steps on Brew's formula and verify your `$PATH` contains `/opt/homebrew/opt/postgresql@15/bin`.
+3. If you hadn't done it before, create the `postgres` user with `createuser -s postgres`.
+4. You are now ready to run the `bootstrap` script:
 
 ```sh
 script/bootstrap

crates/collab/k8s/collab.template.yml

@@ -252,7 +252,7 @@ spec:
               value: "${AUTO_JOIN_CHANNEL_ID}"
           securityContext:
             capabilities:
-              # FIXME - Switch to the more restrictive `PERFMON` capability.
+              # TODO - Switch to the more restrictive `PERFMON` capability.
               # This capability isn't yet available in a stable version of Debian.
               add: ["SYS_ADMIN"]
       terminationGracePeriodSeconds: 10

crates/collab/migrations.sqlite/20221109000000_test_schema.sql

@@ -106,6 +106,22 @@ CREATE TABLE "worktree_repositories" (
 CREATE INDEX "index_worktree_repositories_on_project_id" ON "worktree_repositories" ("project_id");
 CREATE INDEX "index_worktree_repositories_on_project_id_and_worktree_id" ON "worktree_repositories" ("project_id", "worktree_id");
 
+CREATE TABLE "worktree_repository_statuses" (
+    "project_id" INTEGER NOT NULL,
+    "worktree_id" INT8 NOT NULL,
+    "work_directory_id" INT8 NOT NULL,
+    "repo_path" VARCHAR NOT NULL,
+    "status" INT8 NOT NULL,
+    "scan_id" INT8 NOT NULL,
+    "is_deleted" BOOL NOT NULL,
+    PRIMARY KEY(project_id, worktree_id, work_directory_id, repo_path),
+    FOREIGN KEY(project_id, worktree_id) REFERENCES worktrees (project_id, id) ON DELETE CASCADE,
+    FOREIGN KEY(project_id, worktree_id, work_directory_id) REFERENCES worktree_entries (project_id, worktree_id, id) ON DELETE CASCADE
+);
+CREATE INDEX "index_wt_repos_statuses_on_project_id" ON "worktree_repository_statuses" ("project_id");
+CREATE INDEX "index_wt_repos_statuses_on_project_id_and_wt_id" ON "worktree_repository_statuses" ("project_id", "worktree_id");
+CREATE INDEX "index_wt_repos_statuses_on_project_id_and_wt_id_and_wd_id" ON "worktree_repository_statuses" ("project_id", "worktree_id", "work_directory_id");
+
 CREATE TABLE "worktree_settings_files" (
     "project_id" INTEGER NOT NULL,
     "worktree_id" INTEGER NOT NULL,

crates/collab/src/api/events.rs

@@ -279,6 +279,7 @@ pub async fn post_panic(
 
     let report: telemetry_events::PanicRequest = serde_json::from_slice(&body)
         .map_err(|_| Error::http(StatusCode::BAD_REQUEST, "invalid json".into()))?;
+    let incident_id = uuid::Uuid::new_v4().to_string();
     let panic = report.panic;
 
     if panic.os_name == "Linux" && panic.os_version == Some("1.0.0".to_string()) {
@@ -288,11 +289,37 @@ pub async fn post_panic(
         ))?;
     }
 
+    if let Some(blob_store_client) = app.blob_store_client.as_ref() {
+        let response = blob_store_client
+            .head_object()
+            .bucket(CRASH_REPORTS_BUCKET)
+            .key(incident_id.clone() + ".json")
+            .send()
+            .await;
+
+        if response.is_ok() {
+            log::info!("We've already uploaded this crash");
+            return Ok(());
+        }
+
+        blob_store_client
+            .put_object()
+            .bucket(CRASH_REPORTS_BUCKET)
+            .key(incident_id.clone() + ".json")
+            .acl(aws_sdk_s3::types::ObjectCannedAcl::PublicRead)
+            .body(ByteStream::from(body.to_vec()))
+            .send()
+            .await
+            .map_err(|e| log::error!("Failed to upload crash: {}", e))
+            .ok();
+    }
+
     tracing::error!(
         service = "client",
         version = %panic.app_version,
         os_name = %panic.os_name,
         os_version = %panic.os_version.clone().unwrap_or_default(),
+        incident_id = %incident_id,
         installation_id = %panic.installation_id.clone().unwrap_or_default(),
         description = %panic.payload,
         backtrace = %panic.backtrace.join("\n"),
@@ -331,10 +358,19 @@ pub async fn post_panic(
                         panic.app_version
                     )))
                     .add_field({
+                        let hostname = app.config.blob_store_url.clone().unwrap_or_default();
+                        let hostname = hostname.strip_prefix("https://").unwrap_or_else(|| {
+                            hostname.strip_prefix("http://").unwrap_or_default()
+                        });
+
                         slack::Text::markdown(format!(
-                            "*OS:*\n{} {}",
+                            "*{} {}:*\n<https://{}.{}/{}.json|{}…>",
                             panic.os_name,
-                            panic.os_version.unwrap_or_default()
+                            panic.os_version.unwrap_or_default(),
+                            CRASH_REPORTS_BUCKET,
+                            hostname,
+                            incident_id,
+                            incident_id.chars().take(8).collect::<String>(),
                         ))
                     })
                 })
@@ -361,6 +397,12 @@ pub async fn post_panic(
 }
 
 fn report_to_slack(panic: &Panic) -> bool {
+    // Panics on macOS should make their way to Slack as a crash report,
+    // so we don't need to send them a second time via this channel.
+    if panic.os_name == "macOS" {
+        return false;
+    }
+
     if panic.payload.contains("ERROR_SURFACE_LOST_KHR") {
         return false;
     }

crates/collab/src/db/queries/projects.rs

@@ -1,4 +1,5 @@
 use anyhow::Context as _;
+
 use util::ResultExt;
 
 use super::*;
@@ -274,8 +275,8 @@ impl Database {
                         mtime_nanos: ActiveValue::set(mtime.nanos as i32),
                         canonical_path: ActiveValue::set(entry.canonical_path.clone()),
                         is_ignored: ActiveValue::set(entry.is_ignored),
+                        git_status: ActiveValue::set(None),
                         is_external: ActiveValue::set(entry.is_external),
-                        git_status: ActiveValue::set(entry.git_status.map(|status| status as i64)),
                         is_deleted: ActiveValue::set(false),
                         scan_id: ActiveValue::set(update.scan_id as i64),
                         is_fifo: ActiveValue::set(entry.is_fifo),
@@ -295,7 +296,6 @@ impl Database {
                         worktree_entry::Column::MtimeNanos,
                         worktree_entry::Column::CanonicalPath,
                         worktree_entry::Column::IsIgnored,
-                        worktree_entry::Column::GitStatus,
                         worktree_entry::Column::ScanId,
                     ])
                     .to_owned(),
@@ -349,6 +349,79 @@ impl Database {
                 )
                 .exec(&*tx)
                 .await?;
+
+                let has_any_statuses = update
+                    .updated_repositories
+                    .iter()
+                    .any(|repository| !repository.updated_statuses.is_empty());
+
+                if has_any_statuses {
+                    worktree_repository_statuses::Entity::insert_many(
+                        update.updated_repositories.iter().flat_map(
+                            |repository: &proto::RepositoryEntry| {
+                                repository.updated_statuses.iter().map(|status_entry| {
+                                    worktree_repository_statuses::ActiveModel {
+                                        project_id: ActiveValue::set(project_id),
+                                        worktree_id: ActiveValue::set(worktree_id),
+                                        work_directory_id: ActiveValue::set(
+                                            repository.work_directory_id as i64,
+                                        ),
+                                        scan_id: ActiveValue::set(update.scan_id as i64),
+                                        is_deleted: ActiveValue::set(false),
+                                        repo_path: ActiveValue::set(status_entry.repo_path.clone()),
+                                        status: ActiveValue::set(status_entry.status as i64),
+                                    }
+                                })
+                            },
+                        ),
+                    )
+                    .on_conflict(
+                        OnConflict::columns([
+                            worktree_repository_statuses::Column::ProjectId,
+                            worktree_repository_statuses::Column::WorktreeId,
+                            worktree_repository_statuses::Column::WorkDirectoryId,
+                            worktree_repository_statuses::Column::RepoPath,
+                        ])
+                        .update_columns([
+                            worktree_repository_statuses::Column::ScanId,
+                            worktree_repository_statuses::Column::Status,
+                        ])
+                        .to_owned(),
+                    )
+                    .exec(&*tx)
+                    .await?;
+                }
+
+                let has_any_removed_statuses = update
+                    .updated_repositories
+                    .iter()
+                    .any(|repository| !repository.removed_statuses.is_empty());
+
+                if has_any_removed_statuses {
+                    worktree_repository_statuses::Entity::update_many()
+                        .filter(
+                            worktree_repository_statuses::Column::ProjectId
+                                .eq(project_id)
+                                .and(
+                                    worktree_repository_statuses::Column::WorktreeId
+                                        .eq(worktree_id),
+                                )
+                                .and(
+                                    worktree_repository_statuses::Column::RepoPath.is_in(
+                                        update.updated_repositories.iter().flat_map(|repository| {
+                                            repository.removed_statuses.iter()
+                                        }),
+                                    ),
+                                ),
+                        )
+                        .set(worktree_repository_statuses::ActiveModel {
+                            is_deleted: ActiveValue::Set(true),
+                            scan_id: ActiveValue::Set(update.scan_id as i64),
+                            ..Default::default()
+                        })
+                        .exec(&*tx)
+                        .await?;
+                }
             }
 
             if !update.removed_repositories.is_empty() {
@@ -643,7 +716,6 @@ impl Database {
                         canonical_path: db_entry.canonical_path,
                         is_ignored: db_entry.is_ignored,
                         is_external: db_entry.is_external,
-                        git_status: db_entry.git_status.map(|status| status as i32),
                         // This is only used in the summarization backlog, so if it's None,
                         // that just means we won't be able to detect when to resummarize
                         // based on total number of backlogged bytes - instead, we'd go
@@ -657,23 +729,49 @@ impl Database {
 
         // Populate repository entries.
         {
-            let mut db_repository_entries = worktree_repository::Entity::find()
+            let db_repository_entries = worktree_repository::Entity::find()
                 .filter(
                     Condition::all()
                         .add(worktree_repository::Column::ProjectId.eq(project.id))
                         .add(worktree_repository::Column::IsDeleted.eq(false)),
                 )
-                .stream(tx)
+                .all(tx)
                 .await?;
-            while let Some(db_repository_entry) = db_repository_entries.next().await {
-                let db_repository_entry = db_repository_entry?;
+            for db_repository_entry in db_repository_entries {
                 if let Some(worktree) = worktrees.get_mut(&(db_repository_entry.worktree_id as u64))
                 {
+                    let mut repository_statuses = worktree_repository_statuses::Entity::find()
+                        .filter(
+                            Condition::all()
+                                .add(worktree_repository_statuses::Column::ProjectId.eq(project.id))
+                                .add(
+                                    worktree_repository_statuses::Column::WorktreeId
+                                        .eq(worktree.id),
+                                )
+                                .add(
+                                    worktree_repository_statuses::Column::WorkDirectoryId
+                                        .eq(db_repository_entry.work_directory_id),
+                                )
+                                .add(worktree_repository_statuses::Column::IsDeleted.eq(false)),
+                        )
+                        .stream(tx)
+                        .await?;
+                    let mut updated_statuses = Vec::new();
+                    while let Some(status_entry) = repository_statuses.next().await {
+                        let status_entry: worktree_repository_statuses::Model = status_entry?;
+                        updated_statuses.push(proto::StatusEntry {
+                            repo_path: status_entry.repo_path,
+                            status: status_entry.status as i32,
+                        });
+                    }
+
                     worktree.repository_entries.insert(
                         db_repository_entry.work_directory_id as u64,
                         proto::RepositoryEntry {
                             work_directory_id: db_repository_entry.work_directory_id as u64,
                             branch: db_repository_entry.branch,
+                            updated_statuses,
+                            removed_statuses: Vec::new(),
                         },
                     );
                 }

crates/collab/src/db/queries/rooms.rs

@@ -662,7 +662,6 @@ impl Database {
                             canonical_path: db_entry.canonical_path,
                             is_ignored: db_entry.is_ignored,
                             is_external: db_entry.is_external,
-                            git_status: db_entry.git_status.map(|status| status as i32),
                             // This is only used in the summarization backlog, so if it's None,
                             // that just means we won't be able to detect when to resummarize
                             // based on total number of backlogged bytes - instead, we'd go
@@ -682,26 +681,69 @@ impl Database {
                     worktree_repository::Column::IsDeleted.eq(false)
                 };
 
-                let mut db_repositories = worktree_repository::Entity::find()
+                let db_repositories = worktree_repository::Entity::find()
                     .filter(
                         Condition::all()
                             .add(worktree_repository::Column::ProjectId.eq(project.id))
                             .add(worktree_repository::Column::WorktreeId.eq(worktree.id))
                             .add(repository_entry_filter),
                     )
-                    .stream(tx)
+                    .all(tx)
                     .await?;
 
-                while let Some(db_repository) = db_repositories.next().await {
-                    let db_repository = db_repository?;
+                for db_repository in db_repositories.into_iter() {
                     if db_repository.is_deleted {
                         worktree
                             .removed_repositories
                             .push(db_repository.work_directory_id as u64);
                     } else {
+                        let status_entry_filter = if let Some(rejoined_worktree) = rejoined_worktree
+                        {
+                            worktree_repository_statuses::Column::ScanId
+                                .gt(rejoined_worktree.scan_id)
+                        } else {
+                            worktree_repository_statuses::Column::IsDeleted.eq(false)
+                        };
+
+                        let mut db_statuses = worktree_repository_statuses::Entity::find()
+                            .filter(
+                                Condition::all()
+                                    .add(
+                                        worktree_repository_statuses::Column::ProjectId
+                                            .eq(project.id),
+                                    )
+                                    .add(
+                                        worktree_repository_statuses::Column::WorktreeId
+                                            .eq(worktree.id),
+                                    )
+                                    .add(
+                                        worktree_repository_statuses::Column::WorkDirectoryId
+                                            .eq(db_repository.work_directory_id),
+                                    )
+                                    .add(status_entry_filter),
+                            )
+                            .stream(tx)
+                            .await?;
+                        let mut removed_statuses = Vec::new();
+                        let mut updated_statuses = Vec::new();
+
+                        while let Some(db_status) = db_statuses.next().await {
+                            let db_status: worktree_repository_statuses::Model = db_status?;
+                            if db_status.is_deleted {
+                                removed_statuses.push(db_status.repo_path);
+                            } else {
+                                updated_statuses.push(proto::StatusEntry {
+                                    repo_path: db_status.repo_path,
+                                    status: db_status.status as i32,
+                                });
+                            }
+                        }
+
                         worktree.updated_repositories.push(proto::RepositoryEntry {
                             work_directory_id: db_repository.work_directory_id as u64,
                             branch: db_repository.branch,
+                            updated_statuses,
+                            removed_statuses,
                         });
                     }
                 }

crates/collab/src/tests/editor_tests.rs

@@ -9,7 +9,6 @@ use editor::{
         ConfirmCodeAction, ConfirmCompletion, ConfirmRename, ContextMenuFirst, Redo, Rename,
         ToggleCodeActions, Undo,
     },
-    display_map::RowInfo,
     test::editor_test_context::{AssertionContextManager, EditorTestContext},
     Editor,
 };
@@ -21,6 +20,7 @@ use language::{
     language_settings::{AllLanguageSettings, InlayHintSettings},
     FakeLspAdapter,
 };
+use multi_buffer::MultiBufferRow;
 use project::{
     project_settings::{InlineBlameSettings, ProjectSettings},
     SERVER_PROGRESS_THROTTLE_TIMEOUT,
@@ -2075,15 +2075,7 @@ async fn test_git_blame_is_forwarded(cx_a: &mut TestAppContext, cx_b: &mut TestA
         let blame = editor_b.blame().expect("editor_b should have blame now");
         let entries = blame.update(cx, |blame, cx| {
             blame
-                .blame_for_rows(
-                    &(0..4)
-                        .map(|row| RowInfo {
-                            buffer_row: Some(row),
-                            ..Default::default()
-                        })
-                        .collect::<Vec<_>>(),
-                    cx,
-                )
+                .blame_for_rows((0..4).map(MultiBufferRow).map(Some), cx)
                 .collect::<Vec<_>>()
         });
 
@@ -2122,15 +2114,7 @@ async fn test_git_blame_is_forwarded(cx_a: &mut TestAppContext, cx_b: &mut TestA
         let blame = editor_b.blame().expect("editor_b should have blame now");
         let entries = blame.update(cx, |blame, cx| {
             blame
-                .blame_for_rows(
-                    &(0..4)
-                        .map(|row| RowInfo {
-                            buffer_row: Some(row),
-                            ..Default::default()
-                        })
-                        .collect::<Vec<_>>(),
-                    cx,
-                )
+                .blame_for_rows((0..4).map(MultiBufferRow).map(Some), cx)
                 .collect::<Vec<_>>()
         });
 
@@ -2157,15 +2141,7 @@ async fn test_git_blame_is_forwarded(cx_a: &mut TestAppContext, cx_b: &mut TestA
         let blame = editor_b.blame().expect("editor_b should have blame now");
         let entries = blame.update(cx, |blame, cx| {
             blame
-                .blame_for_rows(
-                    &(0..4)
-                        .map(|row| RowInfo {
-                            buffer_row: Some(row),
-                            ..Default::default()
-                        })
-                        .collect::<Vec<_>>(),
-                    cx,
-                )
+                .blame_for_rows((0..4).map(MultiBufferRow).map(Some), cx)
                 .collect::<Vec<_>>()
         });
 

crates/collab/src/tests/integration_tests.rs

@@ -2925,8 +2925,6 @@ async fn test_git_status_sync(
         assert_eq!(snapshot.status_for_file(file), status);
     }
 
-    // Smoke test status reading
-
     project_local.read_with(cx_a, |project, cx| {
         assert_status(&Path::new(A_TXT), Some(GitFileStatus::Added), project, cx);
         assert_status(&Path::new(B_TXT), Some(GitFileStatus::Added), project, cx);
@@ -6669,6 +6667,10 @@ async fn test_remote_git_branches(
     client_a
         .fs()
         .insert_branches(Path::new("/project/.git"), &branches);
+    let branches_set = branches
+        .into_iter()
+        .map(ToString::to_string)
+        .collect::<HashSet<_>>();
 
     let (project_a, worktree_id) = client_a.build_local_project("/project", cx_a).await;
     let project_id = active_call_a
@@ -6690,10 +6692,10 @@ async fn test_remote_git_branches(
 
     let branches_b = branches_b
         .into_iter()
-        .map(|branch| branch.name)
-        .collect::<Vec<_>>();
+        .map(|branch| branch.name.to_string())
+        .collect::<HashSet<_>>();
 
-    assert_eq!(&branches_b, &branches);
+    assert_eq!(branches_b, branches_set);
 
     cx_b.update(|cx| {
         project_b.update(cx, |project, cx| {

crates/collab/src/tests/remote_editing_collaboration_tests.rs

@@ -229,6 +229,10 @@ async fn test_ssh_collaboration_git_branches(
         .await;
 
     let branches = ["main", "dev", "feature-1"];
+    let branches_set = branches
+        .iter()
+        .map(ToString::to_string)
+        .collect::<HashSet<_>>();
     remote_fs.insert_branches(Path::new("/project/.git"), &branches);
 
     // User A connects to the remote project via SSH.
@@ -281,10 +285,10 @@ async fn test_ssh_collaboration_git_branches(
 
     let branches_b = branches_b
         .into_iter()
-        .map(|branch| branch.name)
-        .collect::<Vec<_>>();
+        .map(|branch| branch.name.to_string())
+        .collect::<HashSet<_>>();
 
-    assert_eq!(&branches_b, &branches);
+    assert_eq!(&branches_b, &branches_set);
 
     cx_b.update(|cx| {
         project_b.update(cx, |project, cx| {

crates/collab_ui/Cargo.toml

@@ -56,6 +56,7 @@ serde_json.workspace = true
 settings.workspace = true
 smallvec.workspace = true
 story = { workspace = true, optional = true }
+telemetry.workspace = true
 theme.workspace = true
 time.workspace = true
 time_format.workspace = true

crates/collab_ui/src/channel_view.rs

@@ -1,5 +1,5 @@
 use anyhow::Result;
-use call::report_call_event_for_channel;
+use call::ActiveCall;
 use channel::{Channel, ChannelBuffer, ChannelBufferEvent, ChannelStore};
 use client::{
     proto::{self, PeerId},
@@ -66,11 +66,13 @@ impl ChannelView {
         cx.spawn(|mut cx| async move {
             let channel_view = channel_view.await?;
             pane.update(&mut cx, |pane, cx| {
-                report_call_event_for_channel(
-                    "open channel notes",
+                telemetry::event!(
+                    "Channel Notes Opened",
                     channel_id,
-                    &workspace.read(cx).app_state().client,
-                    cx,
+                    room_id = ActiveCall::global(cx)
+                        .read(cx)
+                        .room()
+                        .map(|r| r.read(cx).id())
                 );
                 pane.add_item(Box::new(channel_view.clone()), true, true, None, cx);
             })?;

crates/collab_ui/src/chat_panel.rs

@@ -1,4 +1,4 @@
-use crate::{collab_panel, ChatPanelSettings};
+use crate::{collab_panel, ChatPanelButton, ChatPanelSettings};
 use anyhow::Result;
 use call::{room, ActiveCall};
 use channel::{ChannelChat, ChannelChatEvent, ChannelMessage, ChannelMessageId, ChannelStore};
@@ -1096,7 +1096,7 @@ impl FocusableView for ChatPanel {
 }
 
 impl Panel for ChatPanel {
-    fn position(&self, cx: &gpui::WindowContext) -> DockPosition {
+    fn position(&self, cx: &WindowContext) -> DockPosition {
         ChatPanelSettings::get_global(cx).dock
     }
 
@@ -1112,7 +1112,7 @@ impl Panel for ChatPanel {
         );
     }
 
-    fn size(&self, cx: &gpui::WindowContext) -> Pixels {
+    fn size(&self, cx: &WindowContext) -> Pixels {
         self.width
             .unwrap_or_else(|| ChatPanelSettings::get_global(cx).default_width)
     }
@@ -1135,7 +1135,20 @@ impl Panel for ChatPanel {
     }
 
     fn icon(&self, cx: &WindowContext) -> Option<ui::IconName> {
-        Some(ui::IconName::MessageBubbles).filter(|_| ChatPanelSettings::get_global(cx).button)
+        let show_icon = match ChatPanelSettings::get_global(cx).button {
+            ChatPanelButton::Never => false,
+            ChatPanelButton::Always => true,
+            ChatPanelButton::WhenInCall => {
+                let is_in_call = ActiveCall::global(cx)
+                    .read(cx)
+                    .room()
+                    .map_or(false, |room| room.read(cx).contains_guests());
+
+                self.active || is_in_call
+            }
+        };
+
+        show_icon.then(|| ui::IconName::MessageBubbles)
     }
 
     fn icon_tooltip(&self, _cx: &WindowContext) -> Option<&'static str> {
@@ -1152,6 +1165,10 @@ impl Panel for ChatPanel {
             .room()
             .is_some_and(|room| room.read(cx).contains_guests())
     }
+
+    fn activation_priority(&self) -> u32 {
+        7
+    }
 }
 
 impl EventEmitter<PanelEvent> for ChatPanel {}

crates/collab_ui/src/chat_panel/message_editor.rs

@@ -79,16 +79,6 @@ impl CompletionProvider for MessageEditorCompletionProvider {
         Task::ready(Ok(false))
     }
 
-    fn apply_additional_edits_for_completion(
-        &self,
-        _buffer: Model<Buffer>,
-        _completion: Completion,
-        _push_to_history: bool,
-        _cx: &mut ViewContext<Editor>,
-    ) -> Task<Result<Option<language::Transaction>>> {
-        Task::ready(Ok(None))
-    }
-
     fn is_completion_trigger(
         &self,
         _buffer: &Model<Buffer>,
@@ -319,6 +309,7 @@ impl MessageEditor {
                     server_id: LanguageServerId(0), // TODO: Make this optional or something?
                     lsp_completion: Default::default(), // TODO: Make this optional or something?
                     confirm: None,
+                    resolved: true,
                 }
             })
             .collect()

crates/collab_ui/src/collab_panel.rs

@@ -2719,7 +2719,7 @@ impl Render for CollabPanel {
 impl EventEmitter<PanelEvent> for CollabPanel {}
 
 impl Panel for CollabPanel {
-    fn position(&self, cx: &gpui::WindowContext) -> DockPosition {
+    fn position(&self, cx: &WindowContext) -> DockPosition {
         CollaborationPanelSettings::get_global(cx).dock
     }
 
@@ -2735,7 +2735,7 @@ impl Panel for CollabPanel {
         );
     }
 
-    fn size(&self, cx: &gpui::WindowContext) -> Pixels {
+    fn size(&self, cx: &WindowContext) -> Pixels {
         self.width
             .unwrap_or_else(|| CollaborationPanelSettings::get_global(cx).default_width)
     }
@@ -2746,7 +2746,7 @@ impl Panel for CollabPanel {
         cx.notify();
     }
 
-    fn icon(&self, cx: &gpui::WindowContext) -> Option<ui::IconName> {
+    fn icon(&self, cx: &WindowContext) -> Option<ui::IconName> {
         CollaborationPanelSettings::get_global(cx)
             .button
             .then_some(ui::IconName::UserGroup)
@@ -2763,6 +2763,10 @@ impl Panel for CollabPanel {
     fn persistent_name() -> &'static str {
         "CollabPanel"
     }
+
+    fn activation_priority(&self) -> u32 {
+        6
+    }
 }
 
 impl FocusableView for CollabPanel {

crates/collab_ui/src/collab_ui.rs

@@ -14,7 +14,7 @@ use gpui::{
 };
 use panel_settings::MessageEditorSettings;
 pub use panel_settings::{
-    ChatPanelSettings, CollaborationPanelSettings, NotificationPanelSettings,
+    ChatPanelButton, ChatPanelSettings, CollaborationPanelSettings, NotificationPanelSettings,
 };
 use release_channel::ReleaseChannel;
 use settings::Settings;

crates/collab_ui/src/notification_panel.rs

@@ -662,7 +662,7 @@ impl Panel for NotificationPanel {
         "NotificationPanel"
     }
 
-    fn position(&self, cx: &gpui::WindowContext) -> DockPosition {
+    fn position(&self, cx: &WindowContext) -> DockPosition {
         NotificationPanelSettings::get_global(cx).dock
     }
 
@@ -678,7 +678,7 @@ impl Panel for NotificationPanel {
         );
     }
 
-    fn size(&self, cx: &gpui::WindowContext) -> Pixels {
+    fn size(&self, cx: &WindowContext) -> Pixels {
         self.width
             .unwrap_or_else(|| NotificationPanelSettings::get_global(cx).default_width)
     }
@@ -702,7 +702,7 @@ impl Panel for NotificationPanel {
         }
     }
 
-    fn icon(&self, cx: &gpui::WindowContext) -> Option<IconName> {
+    fn icon(&self, cx: &WindowContext) -> Option<IconName> {
         let show_button = NotificationPanelSettings::get_global(cx).button;
         if !show_button {
             return None;
@@ -731,6 +731,10 @@ impl Panel for NotificationPanel {
     fn toggle_action(&self) -> Box<dyn gpui::Action> {
         Box::new(ToggleFocus)
     }
+
+    fn activation_priority(&self) -> u32 {
+        8
+    }
 }
 
 pub struct NotificationToast {

crates/collab_ui/src/panel_settings.rs

@@ -1,6 +1,6 @@
 use gpui::Pixels;
 use schemars::JsonSchema;
-use serde_derive::{Deserialize, Serialize};
+use serde::{Deserialize, Serialize};
 use settings::{Settings, SettingsSources};
 use workspace::dock::DockPosition;
 
@@ -11,13 +11,82 @@ pub struct CollaborationPanelSettings {
     pub default_width: Pixels,
 }
 
+#[derive(Clone, Copy, Default, Serialize, JsonSchema, Debug)]
+#[serde(rename_all = "snake_case")]
+pub enum ChatPanelButton {
+    Never,
+    Always,
+    #[default]
+    WhenInCall,
+}
+
+impl<'de> Deserialize<'de> for ChatPanelButton {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        struct Visitor;
+
+        impl<'de> serde::de::Visitor<'de> for Visitor {
+            type Value = ChatPanelButton;
+
+            fn expecting(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+                write!(
+                    f,
+                    r#"a boolean or one of "never", "always", "when_in_call""#
+                )
+            }
+
+            fn visit_bool<E>(self, b: bool) -> Result<Self::Value, E>
+            where
+                E: serde::de::Error,
+            {
+                match b {
+                    false => Ok(ChatPanelButton::Never),
+                    true => Ok(ChatPanelButton::Always),
+                }
+            }
+
+            fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>
+            where
+                E: serde::de::Error,
+            {
+                match s {
+                    "never" => Ok(ChatPanelButton::Never),
+                    "always" => Ok(ChatPanelButton::Always),
+                    "when_in_call" => Ok(ChatPanelButton::WhenInCall),
+                    _ => Err(E::unknown_variant(s, &["never", "always", "when_in_call"])),
+                }
+            }
+        }
+
+        deserializer.deserialize_any(Visitor)
+    }
+}
+
 #[derive(Deserialize, Debug)]
 pub struct ChatPanelSettings {
-    pub button: bool,
+    pub button: ChatPanelButton,
     pub dock: DockPosition,
     pub default_width: Pixels,
 }
 
+#[derive(Clone, Default, Serialize, Deserialize, JsonSchema, Debug)]
+pub struct ChatPanelSettingsContent {
+    /// When to show the panel button in the status bar.
+    ///
+    /// Default: only when in a call
+    pub button: Option<ChatPanelButton>,
+    /// Where to dock the panel.
+    ///
+    /// Default: right
+    pub dock: Option<DockPosition>,
+    /// Default width of the panel in pixels.
+    ///
+    /// Default: 240
+    pub default_width: Option<f32>,
+}
+
 #[derive(Deserialize, Debug)]
 pub struct NotificationPanelSettings {
     pub button: bool,
@@ -66,7 +135,7 @@ impl Settings for CollaborationPanelSettings {
 impl Settings for ChatPanelSettings {
     const KEY: Option<&'static str> = Some("chat_panel");
 
-    type FileContent = PanelSettingsContent;
+    type FileContent = ChatPanelSettingsContent;
 
     fn load(
         sources: SettingsSources<Self::FileContent>,

crates/collections/Cargo.toml

@@ -16,4 +16,5 @@ doctest = false
 test-support = []
 
 [dependencies]
-rustc-hash = "1.1"
+indexmap.workspace = true
+rustc-hash.workspace = true

crates/collections/src/collections.rs

@@ -4,12 +4,24 @@ pub type HashMap<K, V> = FxHashMap<K, V>;
 #[cfg(feature = "test-support")]
 pub type HashSet<T> = FxHashSet<T>;
 
+#[cfg(feature = "test-support")]
+pub type IndexMap<K, V> = indexmap::IndexMap<K, V, rustc_hash::FxBuildHasher>;
+
+#[cfg(feature = "test-support")]
+pub type IndexSet<T> = indexmap::IndexSet<T, rustc_hash::FxBuildHasher>;
+
 #[cfg(not(feature = "test-support"))]
 pub type HashMap<K, V> = std::collections::HashMap<K, V>;
 
 #[cfg(not(feature = "test-support"))]
 pub type HashSet<T> = std::collections::HashSet<T>;
 
+#[cfg(not(feature = "test-support"))]
+pub type IndexMap<K, V> = indexmap::IndexMap<K, V>;
+
+#[cfg(not(feature = "test-support"))]
+pub type IndexSet<T> = indexmap::IndexSet<T>;
+
 pub use rustc_hash::FxHasher;
 pub use rustc_hash::{FxHashMap, FxHashSet};
 pub use std::collections::*;

crates/command_palette/src/command_palette.rs

@@ -36,21 +36,26 @@ pub struct CommandPalette {
     picker: View<Picker<CommandPaletteDelegate>>,
 }
 
-fn trim_consecutive_whitespaces(input: &str) -> String {
+/// Removes subsequent whitespace characters and double colons from the query.
+///
+/// This improves the likelihood of a match by either humanized name or keymap-style name.
+fn normalize_query(input: &str) -> String {
     let mut result = String::with_capacity(input.len());
-    let mut last_char_was_whitespace = false;
+    let mut last_char = None;
 
     for char in input.trim().chars() {
-        if char.is_whitespace() {
-            if !last_char_was_whitespace {
-                result.push(char);
+        match (last_char, char) {
+            (Some(':'), ':') => continue,
+            (Some(last_char), char) if last_char.is_whitespace() && char.is_whitespace() => {
+                continue
+            }
+            _ => {
+                last_char = Some(char);
             }
-            last_char_was_whitespace = true;
-        } else {
-            result.push(char);
-            last_char_was_whitespace = false;
         }
+        result.push(char);
     }
+
     result
 }
 
@@ -258,7 +263,7 @@ impl PickerDelegate for CommandPaletteDelegate {
             let mut commands = self.all_commands.clone();
             let hit_counts = cx.global::<HitCounts>().clone();
             let executor = cx.background_executor().clone();
-            let query = trim_consecutive_whitespaces(query.as_str());
+            let query = normalize_query(query.as_str());
             async move {
                 commands.sort_by_key(|action| {
                     (
@@ -463,6 +468,25 @@ mod tests {
         );
     }
 
+    #[test]
+    fn test_normalize_query() {
+        assert_eq!(normalize_query("editor: backspace"), "editor: backspace");
+        assert_eq!(normalize_query("editor:  backspace"), "editor: backspace");
+        assert_eq!(normalize_query("editor:    backspace"), "editor: backspace");
+        assert_eq!(
+            normalize_query("editor::GoToDefinition"),
+            "editor:GoToDefinition"
+        );
+        assert_eq!(
+            normalize_query("editor::::GoToDefinition"),
+            "editor:GoToDefinition"
+        );
+        assert_eq!(
+            normalize_query("editor: :GoToDefinition"),
+            "editor: :GoToDefinition"
+        );
+    }
+
     #[gpui::test]
     async fn test_command_palette(cx: &mut TestAppContext) {
         let app_state = init_test(cx);
@@ -533,6 +557,40 @@ mod tests {
             assert!(palette.delegate.matches.is_empty())
         });
     }
+    #[gpui::test]
+    async fn test_normalized_matches(cx: &mut TestAppContext) {
+        let app_state = init_test(cx);
+        let project = Project::test(app_state.fs.clone(), [], cx).await;
+        let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
+
+        let editor = cx.new_view(|cx| {
+            let mut editor = Editor::single_line(cx);
+            editor.set_text("abc", cx);
+            editor
+        });
+
+        workspace.update(cx, |workspace, cx| {
+            workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, cx);
+            editor.update(cx, |editor, cx| editor.focus(cx))
+        });
+
+        // Test normalize (trimming whitespace and double colons)
+        cx.simulate_keystrokes("cmd-shift-p");
+
+        let palette = workspace.update(cx, |workspace, cx| {
+            workspace
+                .active_modal::<CommandPalette>(cx)
+                .unwrap()
+                .read(cx)
+                .picker
+                .clone()
+        });
+
+        cx.simulate_input("Editor::    Backspace");
+        palette.update(cx, |palette, _| {
+            assert_eq!(palette.delegate.matches[0].string, "editor: backspace");
+        });
+    }
 
     #[gpui::test]
     async fn test_go_to_line(cx: &mut TestAppContext) {

crates/context_server/Cargo.toml

@@ -28,7 +28,6 @@ serde.workspace = true
 serde_json.workspace = true
 settings.workspace = true
 smol.workspace = true
-ui.workspace = true
 url = { workspace = true, features = ["serde"] }
 util.workspace = true
 workspace.workspace = true

crates/context_server/src/context_server_tool.rs

@@ -2,7 +2,7 @@ use std::sync::Arc;
 
 use anyhow::{anyhow, bail};
 use assistant_tool::Tool;
-use gpui::{Model, Task};
+use gpui::{Model, Task, WindowContext};
 
 use crate::manager::ContextServerManager;
 use crate::types;
@@ -52,7 +52,7 @@ impl Tool for ContextServerTool {
         self: std::sync::Arc<Self>,
         input: serde_json::Value,
         _workspace: gpui::WeakView<workspace::Workspace>,
-        cx: &mut ui::WindowContext,
+        cx: &mut WindowContext,
     ) -> gpui::Task<gpui::Result<String>> {
         if let Some(server) = self.server_manager.read(cx).get_server(&self.server_id) {
             cx.foreground_executor().spawn({

crates/copilot/src/copilot_chat.rs

@@ -34,9 +34,9 @@ pub enum Model {
     Gpt4,
     #[serde(alias = "gpt-3.5-turbo", rename = "gpt-3.5-turbo")]
     Gpt3_5Turbo,
-    #[serde(alias = "o1-preview", rename = "o1-preview-2024-09-12")]
+    #[serde(alias = "o1-preview", rename = "o1")]
     O1Preview,
-    #[serde(alias = "o1-mini", rename = "o1-mini-2024-09-12")]
+    #[serde(alias = "o1-mini", rename = "o1-mini")]
     O1Mini,
     #[serde(alias = "claude-3-5-sonnet", rename = "claude-3.5-sonnet")]
     Claude3_5Sonnet,

crates/copilot/src/copilot_completion_provider.rs

@@ -59,6 +59,10 @@ impl InlineCompletionProvider for CopilotCompletionProvider {
         "Copilot"
     }
 
+    fn show_completions_in_menu() -> bool {
+        false
+    }
+
     fn is_enabled(
         &self,
         buffer: &Model<Buffer>,
@@ -326,17 +330,15 @@ mod tests {
         );
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
         cx.update_editor(|editor, cx| {
-            // We want to show both: the inline completion and the completion menu
             assert!(editor.context_menu_visible());
-            assert!(editor.context_menu_contains_inline_completion());
-            assert!(editor.has_active_inline_completion());
+            assert!(!editor.context_menu_contains_inline_completion());
+            assert!(!editor.has_active_inline_completion());
             // Since we have both, the copilot suggestion is not shown inline
             assert_eq!(editor.text(cx), "one.\ntwo\nthree\n");
             assert_eq!(editor.display_text(cx), "one.\ntwo\nthree\n");
 
             // Confirming a non-copilot completion inserts it and hides the context menu, without showing
             // the copilot suggestion afterwards.
-            editor.context_menu_next(&Default::default(), cx);
             editor
                 .confirm_completion(&Default::default(), cx)
                 .unwrap()
@@ -384,23 +386,12 @@ mod tests {
 
         // Ensure existing inline completion is interpolated when inserting again.
         cx.simulate_keystroke("c");
-        drop(handle_completion_request(
-            &mut cx,
-            indoc! {"
-                one.c|<>
-                two
-                three
-            "},
-            vec!["completion_a", "completion_b"],
-        ));
         executor.run_until_parked();
         cx.update_editor(|editor, cx| {
-            // Since we have an LSP completion too, the inline completion is
-            // shown in the menu now
-            assert!(editor.context_menu_visible());
-            assert!(editor.context_menu_contains_inline_completion());
+            assert!(!editor.context_menu_visible());
+            assert!(!editor.context_menu_contains_inline_completion());
             assert!(editor.has_active_inline_completion());
-            assert_eq!(editor.display_text(cx), "one.c\ntwo\nthree\n");
+            assert_eq!(editor.display_text(cx), "one.copilot1\ntwo\nthree\n");
             assert_eq!(editor.text(cx), "one.c\ntwo\nthree\n");
         });
 
@@ -416,16 +407,9 @@ mod tests {
         );
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
         cx.update_editor(|editor, cx| {
-            assert!(editor.context_menu_visible());
-            assert!(editor.has_active_inline_completion());
-            assert!(editor.context_menu_contains_inline_completion());
-            assert_eq!(editor.display_text(cx), "one.c\ntwo\nthree\n");
-            assert_eq!(editor.text(cx), "one.c\ntwo\nthree\n");
-
-            // Canceling should first hide the menu and make Copilot suggestion visible.
-            editor.cancel(&Default::default(), cx);
             assert!(!editor.context_menu_visible());
             assert!(editor.has_active_inline_completion());
+            assert!(!editor.context_menu_contains_inline_completion());
             assert_eq!(editor.display_text(cx), "one.copilot2\ntwo\nthree\n");
             assert_eq!(editor.text(cx), "one.c\ntwo\nthree\n");
 
@@ -928,8 +912,8 @@ mod tests {
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
         cx.update_editor(|editor, cx| {
             assert!(editor.context_menu_visible());
-            assert!(editor.context_menu_contains_inline_completion());
-            assert!(editor.has_active_inline_completion(),);
+            assert!(!editor.context_menu_contains_inline_completion());
+            assert!(!editor.has_active_inline_completion(),);
             assert_eq!(editor.text(cx), "one\ntwo.\nthree\n");
         });
     }

crates/diagnostics/Cargo.toml

@@ -18,6 +18,7 @@ collections.workspace = true
 ctor.workspace = true
 editor.workspace = true
 env_logger.workspace = true
+feature_flags.workspace = true
 gpui.workspace = true
 language.workspace = true
 log.workspace = true

crates/diagnostics/src/diagnostics.rs

@@ -14,6 +14,7 @@ use editor::{
     scroll::Autoscroll,
     Editor, EditorEvent, ExcerptId, ExcerptRange, MultiBuffer, ToOffset,
 };
+use feature_flags::FeatureFlagAppExt;
 use gpui::{
     actions, div, svg, AnyElement, AnyView, AppContext, Context, EventEmitter, FocusHandle,
     FocusableView, Global, HighlightStyle, InteractiveElement, IntoElement, Model, ParentElement,
@@ -21,7 +22,8 @@ use gpui::{
     WeakView, WindowContext,
 };
 use language::{
-    Bias, Buffer, Diagnostic, DiagnosticEntry, DiagnosticSeverity, Point, Selection, SelectionGoal,
+    Bias, Buffer, BufferRow, BufferSnapshot, Diagnostic, DiagnosticEntry, DiagnosticSeverity,
+    Point, Selection, SelectionGoal, ToTreeSitterPoint,
 };
 use lsp::LanguageServerId;
 use project::{DiagnosticSummary, Project, ProjectPath};
@@ -29,9 +31,10 @@ use project_diagnostics_settings::ProjectDiagnosticsSettings;
 use settings::Settings;
 use std::{
     any::{Any, TypeId},
+    cmp,
     cmp::Ordering,
     mem,
-    ops::Range,
+    ops::{Range, RangeInclusive},
     sync::Arc,
     time::Duration,
 };
@@ -41,6 +44,7 @@ use ui::{h_flex, prelude::*, Icon, IconName, Label};
 use util::ResultExt;
 use workspace::{
     item::{BreadcrumbText, Item, ItemEvent, ItemHandle, TabContentParams},
+    searchable::SearchableItemHandle,
     ItemNavHistory, ToolbarItemLocation, Workspace,
 };
 
@@ -162,7 +166,7 @@ impl ProjectDiagnosticsEditor {
         let excerpts = cx.new_model(|cx| MultiBuffer::new(project_handle.read(cx).capability()));
         let editor = cx.new_view(|cx| {
             let mut editor =
-                Editor::for_multibuffer(excerpts.clone(), Some(project_handle.clone()), false, cx);
+                Editor::for_multibuffer(excerpts.clone(), Some(project_handle.clone()), true, cx);
             editor.set_vertical_scroll_margin(5, cx);
             editor
         });
@@ -421,31 +425,28 @@ impl ProjectDiagnosticsEditor {
                         blocks: Default::default(),
                         block_count: 0,
                     };
-                    let mut pending_range: Option<(Range<Point>, usize)> = None;
+                    let mut pending_range: Option<(Range<Point>, Range<Point>, usize)> = None;
                     let mut is_first_excerpt_for_group = true;
                     for (ix, entry) in group.entries.iter().map(Some).chain([None]).enumerate() {
                         let resolved_entry = entry.map(|e| e.resolve::<Point>(&snapshot));
-                        if let Some((range, start_ix)) = &mut pending_range {
-                            if let Some(entry) = resolved_entry.as_ref() {
-                                if entry.range.start.row <= range.end.row + 1 + self.context * 2 {
-                                    range.end = range.end.max(entry.range.end);
+                        let expanded_range = resolved_entry.as_ref().map(|entry| {
+                            context_range_for_entry(entry, self.context, &snapshot, cx)
+                        });
+                        if let Some((range, context_range, start_ix)) = &mut pending_range {
+                            if let Some(expanded_range) = expanded_range.clone() {
+                                // If the entries are overlapping or next to each-other, merge them into one excerpt.
+                                if context_range.end.row + 1 >= expanded_range.start.row {
+                                    context_range.end = context_range.end.max(expanded_range.end);
                                     continue;
                                 }
                             }
 
-                            let excerpt_start =
-                                Point::new(range.start.row.saturating_sub(self.context), 0);
-                            let excerpt_end = snapshot.clip_point(
-                                Point::new(range.end.row + self.context, u32::MAX),
-                                Bias::Left,
-                            );
-
                             let excerpt_id = excerpts
                                 .insert_excerpts_after(
                                     prev_excerpt_id,
                                     buffer.clone(),
                                     [ExcerptRange {
-                                        context: excerpt_start..excerpt_end,
+                                        context: context_range.clone(),
                                         primary: Some(range.clone()),
                                     }],
                                     cx,
@@ -502,8 +503,9 @@ impl ProjectDiagnosticsEditor {
                             pending_range.take();
                         }
 
-                        if let Some(entry) = resolved_entry {
-                            pending_range = Some((entry.range.clone(), ix));
+                        if let Some(entry) = resolved_entry.as_ref() {
+                            let range = entry.range.clone();
+                            pending_range = Some((range, expanded_range.unwrap(), ix));
                         }
                     }
 
@@ -810,6 +812,10 @@ impl Item for ProjectDiagnosticsEditor {
         }
     }
 
+    fn as_searchable(&self, _: &View<Self>) -> Option<Box<dyn SearchableItemHandle>> {
+        Some(Box::new(self.editor.clone()))
+    }
+
     fn breadcrumb_location(&self, _: &AppContext) -> ToolbarItemLocation {
         ToolbarItemLocation::PrimaryLeft
     }
@@ -830,19 +836,23 @@ fn diagnostic_header_renderer(diagnostic: Diagnostic) -> RenderBlock {
     let (message, code_ranges) = highlight_diagnostic_message(&diagnostic, None);
     let message: SharedString = message;
     Arc::new(move |cx| {
-        let highlight_style: HighlightStyle = cx.theme().colors().text_accent.into();
+        let color = cx.theme().colors();
+        let highlight_style: HighlightStyle = color.text_accent.into();
+
         h_flex()
             .id(DIAGNOSTIC_HEADER)
             .block_mouse_down()
             .h(2. * cx.line_height())
-            .pl_10()
-            .pr_5()
             .w_full()
+            .px_9()
             .justify_between()
             .gap_2()
             .child(
                 h_flex()
-                    .gap_3()
+                    .gap_2()
+                    .px_1()
+                    .rounded_md()
+                    .bg(color.surface_background.opacity(0.5))
                     .map(|stack| {
                         stack.child(
                             svg()
@@ -874,22 +884,18 @@ fn diagnostic_header_renderer(diagnostic: Diagnostic) -> RenderBlock {
                                 stack.child(
                                     div()
                                         .child(SharedString::from(format!("({code})")))
-                                        .text_color(cx.theme().colors().text_muted),
+                                        .text_color(color.text_muted),
                                 )
                             }),
                     ),
             )
-            .child(
-                h_flex()
-                    .gap_1()
-                    .when_some(diagnostic.source.as_ref(), |stack, source| {
-                        stack.child(
-                            div()
-                                .child(SharedString::from(source.clone()))
-                                .text_color(cx.theme().colors().text_muted),
-                        )
-                    }),
-            )
+            .when_some(diagnostic.source.as_ref(), |stack, source| {
+                stack.child(
+                    div()
+                        .child(SharedString::from(source.clone()))
+                        .text_color(color.text_muted),
+                )
+            })
             .into_any_element()
     })
 }
@@ -918,3 +924,169 @@ fn compare_diagnostics(
         })
         .then_with(|| old.diagnostic.message.cmp(&new.diagnostic.message))
 }
+
+const DIAGNOSTIC_EXPANSION_ROW_LIMIT: u32 = 32;
+
+fn context_range_for_entry(
+    entry: &DiagnosticEntry<Point>,
+    context: u32,
+    snapshot: &BufferSnapshot,
+    cx: &AppContext,
+) -> Range<Point> {
+    if cx.is_staff() {
+        if let Some(rows) = heuristic_syntactic_expand(
+            entry.range.clone(),
+            DIAGNOSTIC_EXPANSION_ROW_LIMIT,
+            snapshot,
+            cx,
+        ) {
+            return Range {
+                start: Point::new(*rows.start(), 0),
+                end: snapshot.clip_point(Point::new(*rows.end(), u32::MAX), Bias::Left),
+            };
+        }
+    }
+    Range {
+        start: Point::new(entry.range.start.row.saturating_sub(context), 0),
+        end: snapshot.clip_point(
+            Point::new(entry.range.end.row + context, u32::MAX),
+            Bias::Left,
+        ),
+    }
+}
+
+/// Expands the input range using syntax information from TreeSitter. This expansion will be limited
+/// to the specified `max_row_count`.
+///
+/// If there is a containing outline item that is less than `max_row_count`, it will be returned.
+/// Otherwise fairly arbitrary heuristics are applied to attempt to return a logical block of code.
+fn heuristic_syntactic_expand<'a>(
+    input_range: Range<Point>,
+    max_row_count: u32,
+    snapshot: &'a BufferSnapshot,
+    cx: &'a AppContext,
+) -> Option<RangeInclusive<BufferRow>> {
+    let input_row_count = input_range.end.row - input_range.start.row;
+    if input_row_count > max_row_count {
+        return None;
+    }
+
+    // If the outline node contains the diagnostic and is small enough, just use that.
+    let outline_range = snapshot.outline_range_containing(input_range.clone());
+    if let Some(outline_range) = outline_range.clone() {
+        // Remove blank lines from start and end
+        if let Some(start_row) = (outline_range.start.row..outline_range.end.row)
+            .find(|row| !snapshot.line_indent_for_row(*row).is_line_blank())
+        {
+            if let Some(end_row) = (outline_range.start.row..outline_range.end.row + 1)
+                .rev()
+                .find(|row| !snapshot.line_indent_for_row(*row).is_line_blank())
+            {
+                let row_count = end_row.saturating_sub(start_row);
+                if row_count <= max_row_count {
+                    return Some(RangeInclusive::new(
+                        outline_range.start.row,
+                        outline_range.end.row,
+                    ));
+                }
+            }
+        }
+    }
+
+    let mut node = snapshot.syntax_ancestor(input_range.clone())?;
+    loop {
+        let node_start = Point::from_ts_point(node.start_position());
+        let node_end = Point::from_ts_point(node.end_position());
+        let node_range = node_start..node_end;
+        let row_count = node_end.row - node_start.row + 1;
+
+        // Stop if we've exceeded the row count or reached an outline node. Then, find the interval
+        // of node children which contains the query range. For example, this allows just returning
+        // the header of a declaration rather than the entire declaration.
+        if row_count > max_row_count || outline_range == Some(node_range.clone()) {
+            let mut cursor = node.walk();
+            let mut included_child_start = None;
+            let mut included_child_end = None;
+            let mut previous_end = node_start;
+            if cursor.goto_first_child() {
+                loop {
+                    let child_node = cursor.node();
+                    let child_range = previous_end..Point::from_ts_point(child_node.end_position());
+                    if included_child_start.is_none() && child_range.contains(&input_range.start) {
+                        included_child_start = Some(child_range.start);
+                    }
+                    if child_range.contains(&input_range.end) {
+                        included_child_end = Some(child_range.end);
+                    }
+                    previous_end = child_range.end;
+                    if !cursor.goto_next_sibling() {
+                        break;
+                    }
+                }
+            }
+            let end = included_child_end.unwrap_or(node_range.end);
+            if let Some(start) = included_child_start {
+                let row_count = end.row - start.row;
+                if row_count < max_row_count {
+                    return Some(RangeInclusive::new(start.row, end.row));
+                }
+            }
+
+            log::info!(
+                "Expanding to ancestor started on {} node exceeding row limit of {max_row_count}.",
+                node.grammar_name()
+            );
+            return None;
+        }
+
+        let node_name = node.grammar_name();
+        let node_row_range = RangeInclusive::new(node_range.start.row, node_range.end.row);
+        if node_name.ends_with("block") {
+            return Some(node_row_range);
+        } else if node_name.ends_with("statement") || node_name.ends_with("declaration") {
+            // Expand to the nearest dedent or blank line for statements and declarations.
+            let tab_size = snapshot.settings_at(node_range.start, cx).tab_size.get();
+            let indent_level = snapshot
+                .line_indent_for_row(node_range.start.row)
+                .len(tab_size);
+            let rows_remaining = max_row_count.saturating_sub(row_count);
+            let Some(start_row) = (node_range.start.row.saturating_sub(rows_remaining)
+                ..node_range.start.row)
+                .rev()
+                .find(|row| is_line_blank_or_indented_less(indent_level, *row, tab_size, snapshot))
+            else {
+                return Some(node_row_range);
+            };
+            let rows_remaining = max_row_count.saturating_sub(node_range.end.row - start_row);
+            let Some(end_row) = (node_range.end.row + 1
+                ..cmp::min(
+                    node_range.end.row + rows_remaining + 1,
+                    snapshot.row_count(),
+                ))
+                .find(|row| is_line_blank_or_indented_less(indent_level, *row, tab_size, snapshot))
+            else {
+                return Some(node_row_range);
+            };
+            return Some(RangeInclusive::new(start_row, end_row));
+        }
+
+        // TODO: doing this instead of walking a cursor as that doesn't work - why?
+        let Some(parent) = node.parent() else {
+            log::info!(
+                "Expanding to ancestor reached the top node, so using default context line count.",
+            );
+            return None;
+        };
+        node = parent;
+    }
+}
+
+fn is_line_blank_or_indented_less(
+    indent_level: u32,
+    row: u32,
+    tab_size: u32,
+    snapshot: &BufferSnapshot,
+) -> bool {
+    let line_indent = snapshot.line_indent_for_row(row);
+    line_indent.is_line_blank() || line_indent.len(tab_size) < indent_level
+}

crates/diagnostics/src/diagnostics_tests.rs

@@ -167,10 +167,10 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
         editor_blocks(&editor, cx),
         [
             (DisplayRow(0), FILE_HEADER.into()),
-            (DisplayRow(2), DIAGNOSTIC_HEADER.into()),
-            (DisplayRow(15), EXCERPT_HEADER.into()),
-            (DisplayRow(16), DIAGNOSTIC_HEADER.into()),
-            (DisplayRow(25), EXCERPT_HEADER.into()),
+            (DisplayRow(3), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(16), EXCERPT_HEADER.into()),
+            (DisplayRow(18), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(27), EXCERPT_HEADER.into()),
         ]
     );
     assert_eq!(
@@ -184,6 +184,7 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
             // diagnostic group 1
             "\n", // primary message
             "\n", // padding
+            "\n", // expand
             "    let x = vec![];\n",
             "    let y = vec![];\n",
             "\n", // supporting diagnostic
@@ -195,6 +196,7 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
             "    c(y);\n",
             "\n", // supporting diagnostic
             "    d(x);\n",
+            "\n", // expand
             "\n", // context ellipsis
             // diagnostic group 2
             "\n", // primary message
@@ -206,11 +208,13 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
             "    a(x);\n",
             "\n", // supporting diagnostic
             "    b(y);\n",
+            "\n", // expand
             "\n", // context ellipsis
             "    c(y);\n",
             "    d(x);\n",
             "\n", // supporting diagnostic
-            "}"
+            "}",
+            "\n", // expand
         )
     );
 
@@ -218,7 +222,7 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
     editor.update(cx, |editor, cx| {
         assert_eq!(
             editor.selections.display_ranges(cx),
-            [DisplayPoint::new(DisplayRow(12), 6)..DisplayPoint::new(DisplayRow(12), 6)]
+            [DisplayPoint::new(DisplayRow(13), 6)..DisplayPoint::new(DisplayRow(13), 6)]
         );
     });
 
@@ -253,12 +257,12 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
         editor_blocks(&editor, cx),
         [
             (DisplayRow(0), FILE_HEADER.into()),
-            (DisplayRow(2), DIAGNOSTIC_HEADER.into()),
-            (DisplayRow(7), FILE_HEADER.into()),
-            (DisplayRow(9), DIAGNOSTIC_HEADER.into()),
-            (DisplayRow(22), EXCERPT_HEADER.into()),
-            (DisplayRow(23), DIAGNOSTIC_HEADER.into()),
-            (DisplayRow(32), EXCERPT_HEADER.into()),
+            (DisplayRow(3), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(8), FILE_HEADER.into()),
+            (DisplayRow(12), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(25), EXCERPT_HEADER.into()),
+            (DisplayRow(27), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(36), EXCERPT_HEADER.into()),
         ]
     );
 
@@ -273,6 +277,7 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
             // diagnostic group 1
             "\n", // primary message
             "\n", // padding
+            "\n", // expand
             "const a: i32 = 'a';\n",
             "\n", // supporting diagnostic
             "const b: i32 = c;\n",
@@ -284,6 +289,8 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
             // diagnostic group 1
             "\n", // primary message
             "\n", // padding
+            "\n", // expand
+            "\n", // expand
             "    let x = vec![];\n",
             "    let y = vec![];\n",
             "\n", // supporting diagnostic
@@ -299,6 +306,7 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
             // diagnostic group 2
             "\n", // primary message
             "\n", // filename
+            "\n", // expand
             "fn main() {\n",
             "    let x = vec![];\n",
             "\n", // supporting diagnostic
@@ -306,11 +314,13 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
             "    a(x);\n",
             "\n", // supporting diagnostic
             "    b(y);\n",
+            "\n", // expand
             "\n", // context ellipsis
             "    c(y);\n",
             "    d(x);\n",
             "\n", // supporting diagnostic
-            "}"
+            "}",
+            "\n", // expand
         )
     );
 
@@ -318,7 +328,7 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
     editor.update(cx, |editor, cx| {
         assert_eq!(
             editor.selections.display_ranges(cx),
-            [DisplayPoint::new(DisplayRow(19), 6)..DisplayPoint::new(DisplayRow(19), 6)]
+            [DisplayPoint::new(DisplayRow(22), 6)..DisplayPoint::new(DisplayRow(22), 6)]
         );
     });
 
@@ -366,14 +376,14 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
         editor_blocks(&editor, cx),
         [
             (DisplayRow(0), FILE_HEADER.into()),
-            (DisplayRow(2), DIAGNOSTIC_HEADER.into()),
-            (DisplayRow(7), EXCERPT_HEADER.into()),
-            (DisplayRow(8), DIAGNOSTIC_HEADER.into()),
-            (DisplayRow(13), FILE_HEADER.into()),
-            (DisplayRow(15), DIAGNOSTIC_HEADER.into()),
-            (DisplayRow(28), EXCERPT_HEADER.into()),
-            (DisplayRow(29), DIAGNOSTIC_HEADER.into()),
-            (DisplayRow(38), EXCERPT_HEADER.into()),
+            (DisplayRow(3), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(8), EXCERPT_HEADER.into()),
+            (DisplayRow(10), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(15), FILE_HEADER.into()),
+            (DisplayRow(19), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(32), EXCERPT_HEADER.into()),
+            (DisplayRow(34), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(43), EXCERPT_HEADER.into()),
         ]
     );
 
@@ -388,6 +398,7 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
             // diagnostic group 1
             "\n", // primary message
             "\n", // padding
+            "\n", // expand
             "const a: i32 = 'a';\n",
             "\n", // supporting diagnostic
             "const b: i32 = c;\n",
@@ -395,6 +406,7 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
             // diagnostic group 2
             "\n", // primary message
             "\n", // padding
+            "\n", // expand
             "const a: i32 = 'a';\n",
             "const b: i32 = c;\n",
             "\n", // supporting diagnostic
@@ -406,6 +418,8 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
             // diagnostic group 1
             "\n", // primary message
             "\n", // padding
+            "\n", // expand
+            "\n", // expand
             "    let x = vec![];\n",
             "    let y = vec![];\n",
             "\n", // supporting diagnostic
@@ -421,6 +435,7 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
             // diagnostic group 2
             "\n", // primary message
             "\n", // filename
+            "\n", // expand
             "fn main() {\n",
             "    let x = vec![];\n",
             "\n", // supporting diagnostic
@@ -428,11 +443,13 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
             "    a(x);\n",
             "\n", // supporting diagnostic
             "    b(y);\n",
+            "\n", // expand
             "\n", // context ellipsis
             "    c(y);\n",
             "    d(x);\n",
             "\n", // supporting diagnostic
-            "}"
+            "}",
+            "\n", // expand
         )
     );
 }
@@ -513,7 +530,7 @@ async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
         editor_blocks(&editor, cx),
         [
             (DisplayRow(0), FILE_HEADER.into()),
-            (DisplayRow(2), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(3), DIAGNOSTIC_HEADER.into()),
         ]
     );
     assert_eq!(
@@ -524,8 +541,9 @@ async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
             // diagnostic group 1
             "\n",     // primary message
             "\n",     // padding
+            "\n",     // expand
             "a();\n", //
-            "b();",
+            "b();", "\n", // expand
         )
     );
 
@@ -561,9 +579,9 @@ async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
         editor_blocks(&editor, cx),
         [
             (DisplayRow(0), FILE_HEADER.into()),
-            (DisplayRow(2), DIAGNOSTIC_HEADER.into()),
-            (DisplayRow(6), EXCERPT_HEADER.into()),
-            (DisplayRow(7), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(3), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(7), EXCERPT_HEADER.into()),
+            (DisplayRow(9), DIAGNOSTIC_HEADER.into()),
         ]
     );
     assert_eq!(
@@ -574,8 +592,10 @@ async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
             // diagnostic group 1
             "\n",     // primary message
             "\n",     // padding
+            "\n",     // expand
             "a();\n", // location
             "b();\n", //
+            "\n",     // expand
             "\n",     // collapsed context
             // diagnostic group 2
             "\n",     // primary message
@@ -583,6 +603,7 @@ async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
             "a();\n", // context
             "b();\n", //
             "c();",   // context
+            "\n",     // expand
         )
     );
 
@@ -629,9 +650,9 @@ async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
         editor_blocks(&editor, cx),
         [
             (DisplayRow(0), FILE_HEADER.into()),
-            (DisplayRow(2), DIAGNOSTIC_HEADER.into()),
-            (DisplayRow(7), EXCERPT_HEADER.into()),
-            (DisplayRow(8), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(3), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(8), EXCERPT_HEADER.into()),
+            (DisplayRow(10), DIAGNOSTIC_HEADER.into()),
         ]
     );
     assert_eq!(
@@ -642,9 +663,11 @@ async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
             // diagnostic group 1
             "\n",     // primary message
             "\n",     // padding
+            "\n",     // expand
             "a();\n", // location
             "b();\n", //
             "c();\n", // context
+            "\n",     // expand
             "\n",     // collapsed context
             // diagnostic group 2
             "\n",     // primary message
@@ -652,6 +675,7 @@ async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
             "b();\n", // context
             "c();\n", //
             "d();",   // context
+            "\n",     // expand
         )
     );
 
@@ -687,9 +711,9 @@ async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
         editor_blocks(&editor, cx),
         [
             (DisplayRow(0), FILE_HEADER.into()),
-            (DisplayRow(2), DIAGNOSTIC_HEADER.into()),
-            (DisplayRow(7), EXCERPT_HEADER.into()),
-            (DisplayRow(8), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(3), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(8), EXCERPT_HEADER.into()),
+            (DisplayRow(10), DIAGNOSTIC_HEADER.into()),
         ]
     );
     assert_eq!(
@@ -700,9 +724,11 @@ async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
             // diagnostic group 1
             "\n",     // primary message
             "\n",     // padding
+            "\n",     // expand
             "b();\n", // location
             "c();\n", //
             "d();\n", // context
+            "\n",     // expand
             "\n",     // collapsed context
             // diagnostic group 2
             "\n",     // primary message
@@ -710,6 +736,7 @@ async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
             "c();\n", // context
             "d();\n", //
             "e();",   // context
+            "\n",     // expand
         )
     );
 }

crates/diagnostics/src/items.rs

@@ -1,11 +1,11 @@
 use std::time::Duration;
 
-use editor::Editor;
+use editor::{AnchorRangeExt, Editor};
 use gpui::{
     EventEmitter, IntoElement, ParentElement, Render, Styled, Subscription, Task, View,
     ViewContext, WeakView,
 };
-use language::Diagnostic;
+use language::{Diagnostic, DiagnosticEntry};
 use ui::{h_flex, prelude::*, Button, ButtonLike, Color, Icon, IconName, Label, Tooltip};
 use workspace::{item::ItemHandle, StatusItemView, ToolbarItemEvent, Workspace};
 
@@ -148,7 +148,11 @@ impl DiagnosticIndicator {
             (buffer, cursor_position)
         });
         let new_diagnostic = buffer
-            .diagnostics_in_range::<_, usize>(cursor_position..cursor_position, false)
+            .diagnostics_in_range(cursor_position..cursor_position, false)
+            .map(|DiagnosticEntry { diagnostic, range }| DiagnosticEntry {
+                diagnostic,
+                range: range.to_offset(&buffer),
+            })
             .filter(|entry| !entry.range.is_empty())
             .min_by_key(|entry| (entry.diagnostic.severity, entry.range.len()))
             .map(|entry| entry.diagnostic);

crates/editor/src/actions.rs

@@ -388,6 +388,4 @@ gpui::actions!(
     ]
 );
 
-action_as!(outline, ToggleOutline as Toggle);
-
 action_as!(go_to_line, ToggleGoToLine as Toggle);

crates/editor/src/clangd_ext.rs

@@ -16,7 +16,7 @@ fn is_c_language(language: &Language) -> bool {
 pub fn switch_source_header(
     editor: &mut Editor,
     _: &SwitchSourceHeader,
-    cx: &mut ViewContext<'_, Editor>,
+    cx: &mut ViewContext<Editor>,
 ) {
     let Some(project) = &editor.project else {
         return;

crates/editor/src/code_context_menus.rs

@@ -1,11 +1,8 @@
-use std::cell::RefCell;
-use std::{cell::Cell, cmp::Reverse, ops::Range, rc::Rc};
-
 use fuzzy::{StringMatch, StringMatchCandidate};
 use gpui::{
     div, px, uniform_list, AnyElement, BackgroundExecutor, Div, FontWeight, ListSizingBehavior,
-    Model, ScrollStrategy, SharedString, StrikethroughStyle, StyledText, UniformListScrollHandle,
-    ViewContext, WeakView,
+    Model, ScrollStrategy, SharedString, Size, StrikethroughStyle, StyledText,
+    UniformListScrollHandle, ViewContext, WeakView,
 };
 use language::Buffer;
 use language::{CodeLabel, Documentation};
@@ -13,9 +10,16 @@ use lsp::LanguageServerId;
 use multi_buffer::{Anchor, ExcerptId};
 use ordered_float::OrderedFloat;
 use project::{CodeAction, Completion, TaskSourceKind};
+use std::{
+    cell::RefCell,
+    cmp::{min, Reverse},
+    iter,
+    ops::Range,
+    rc::Rc,
+};
 use task::ResolvedTask;
-use ui::{prelude::*, Color, IntoElement, ListItem, Popover, Styled};
-use util::ResultExt as _;
+use ui::{prelude::*, Color, IntoElement, ListItem, Pixels, Popover, Styled};
+use util::ResultExt;
 use workspace::Workspace;
 
 use crate::{
@@ -26,6 +30,11 @@ use crate::{
 };
 use crate::{AcceptInlineCompletion, InlineCompletionMenuHint, InlineCompletionText};
 
+pub const MENU_GAP: Pixels = px(4.);
+pub const MENU_ASIDE_X_PADDING: Pixels = px(16.);
+pub const MENU_ASIDE_MIN_WIDTH: Pixels = px(260.);
+pub const MENU_ASIDE_MAX_WIDTH: Pixels = px(500.);
+
 pub enum CodeContextMenu {
     Completions(CompletionsMenu),
     CodeActions(CodeActionsMenu),
@@ -109,20 +118,31 @@ impl CodeContextMenu {
             CodeContextMenu::CodeActions(menu) => menu.origin(cursor_position),
         }
     }
+
     pub fn render(
         &self,
         style: &EditorStyle,
         max_height_in_lines: u32,
-        workspace: Option<WeakView<Workspace>>,
         cx: &mut ViewContext<Editor>,
     ) -> AnyElement {
         match self {
-            CodeContextMenu::Completions(menu) => {
-                menu.render(style, max_height_in_lines, workspace, cx)
-            }
+            CodeContextMenu::Completions(menu) => menu.render(style, max_height_in_lines, cx),
             CodeContextMenu::CodeActions(menu) => menu.render(style, max_height_in_lines, cx),
         }
     }
+
+    pub fn render_aside(
+        &self,
+        style: &EditorStyle,
+        max_size: Size<Pixels>,
+        workspace: Option<WeakView<Workspace>>,
+        cx: &mut ViewContext<Editor>,
+    ) -> Option<AnyElement> {
+        match self {
+            CodeContextMenu::Completions(menu) => menu.render_aside(style, max_size, workspace, cx),
+            CodeContextMenu::CodeActions(_) => None,
+        }
+    }
 }
 
 pub enum ContextMenuOrigin {
@@ -142,8 +162,8 @@ pub struct CompletionsMenu {
     pub selected_item: usize,
     scroll_handle: UniformListScrollHandle,
     resolve_completions: bool,
-    pub aside_was_displayed: Cell<bool>,
     show_completion_documentation: bool,
+    last_rendered_range: Rc<RefCell<Option<Range<usize>>>>,
 }
 
 #[derive(Clone, Debug)]
@@ -160,7 +180,6 @@ impl CompletionsMenu {
         initial_position: Anchor,
         buffer: Model<Buffer>,
         completions: Box<[Completion]>,
-        aside_was_displayed: bool,
     ) -> Self {
         let match_candidates = completions
             .iter()
@@ -180,7 +199,7 @@ impl CompletionsMenu {
             selected_item: 0,
             scroll_handle: UniformListScrollHandle::new(),
             resolve_completions: true,
-            aside_was_displayed: Cell::new(aside_was_displayed),
+            last_rendered_range: RefCell::new(None).into(),
         }
     }
 
@@ -205,6 +224,7 @@ impl CompletionsMenu {
                 documentation: None,
                 lsp_completion: Default::default(),
                 confirm: None,
+                resolved: true,
             })
             .collect();
 
@@ -236,8 +256,8 @@ impl CompletionsMenu {
             selected_item: 0,
             scroll_handle: UniformListScrollHandle::new(),
             resolve_completions: false,
-            aside_was_displayed: Cell::new(false),
             show_completion_documentation: false,
+            last_rendered_range: RefCell::new(None).into(),
         }
     }
 
@@ -246,11 +266,7 @@ impl CompletionsMenu {
         provider: Option<&dyn CompletionProvider>,
         cx: &mut ViewContext<Editor>,
     ) {
-        self.selected_item = 0;
-        self.scroll_handle
-            .scroll_to_item(self.selected_item, ScrollStrategy::Top);
-        self.resolve_selected_completion(provider, cx);
-        cx.notify();
+        self.update_selection_index(0, provider, cx);
     }
 
     fn select_prev(
@@ -258,15 +274,7 @@ impl CompletionsMenu {
         provider: Option<&dyn CompletionProvider>,
         cx: &mut ViewContext<Editor>,
     ) {
-        if self.selected_item > 0 {
-            self.selected_item -= 1;
-        } else {
-            self.selected_item = self.entries.len() - 1;
-        }
-        self.scroll_handle
-            .scroll_to_item(self.selected_item, ScrollStrategy::Top);
-        self.resolve_selected_completion(provider, cx);
-        cx.notify();
+        self.update_selection_index(self.prev_match_index(), provider, cx);
     }
 
     fn select_next(
@@ -274,15 +282,7 @@ impl CompletionsMenu {
         provider: Option<&dyn CompletionProvider>,
         cx: &mut ViewContext<Editor>,
     ) {
-        if self.selected_item + 1 < self.entries.len() {
-            self.selected_item += 1;
-        } else {
-            self.selected_item = 0;
-        }
-        self.scroll_handle
-            .scroll_to_item(self.selected_item, ScrollStrategy::Top);
-        self.resolve_selected_completion(provider, cx);
-        cx.notify();
+        self.update_selection_index(self.next_match_index(), provider, cx);
     }
 
     fn select_last(
@@ -290,11 +290,38 @@ impl CompletionsMenu {
         provider: Option<&dyn CompletionProvider>,
         cx: &mut ViewContext<Editor>,
     ) {
-        self.selected_item = self.entries.len() - 1;
-        self.scroll_handle
-            .scroll_to_item(self.selected_item, ScrollStrategy::Top);
-        self.resolve_selected_completion(provider, cx);
-        cx.notify();
+        self.update_selection_index(self.entries.len() - 1, provider, cx);
+    }
+
+    fn update_selection_index(
+        &mut self,
+        match_index: usize,
+        provider: Option<&dyn CompletionProvider>,
+        cx: &mut ViewContext<Editor>,
+    ) {
+        if self.selected_item != match_index {
+            self.selected_item = match_index;
+            self.scroll_handle
+                .scroll_to_item(self.selected_item, ScrollStrategy::Top);
+            self.resolve_visible_completions(provider, cx);
+            cx.notify();
+        }
+    }
+
+    fn prev_match_index(&self) -> usize {
+        if self.selected_item > 0 {
+            self.selected_item - 1
+        } else {
+            self.entries.len() - 1
+        }
+    }
+
+    fn next_match_index(&self) -> usize {
+        if self.selected_item + 1 < self.entries.len() {
+            self.selected_item + 1
+        } else {
+            0
+        }
     }
 
     pub fn show_inline_completion_hint(&mut self, hint: InlineCompletionMenuHint) {
@@ -314,10 +341,12 @@ impl CompletionsMenu {
             }
         }
         .into();
-        self.selected_item = 0;
+        if self.selected_item != 0 && self.selected_item + 1 < self.entries.len() {
+            self.selected_item += 1;
+        }
     }
 
-    pub fn resolve_selected_completion(
+    pub fn resolve_visible_completions(
         &mut self,
         provider: Option<&dyn CompletionProvider>,
         cx: &mut ViewContext<Editor>,
@@ -329,24 +358,76 @@ impl CompletionsMenu {
             return;
         };
 
-        match &self.entries[self.selected_item] {
-            CompletionEntry::Match(entry) => {
-                let completion_index = entry.candidate_id;
-                let resolve_task = provider.resolve_completions(
-                    self.buffer.clone(),
-                    vec![completion_index],
-                    self.completions.clone(),
-                    cx,
-                );
+        // Attempt to resolve completions for every item that will be displayed. This matters
+        // because single line documentation may be displayed inline with the completion.
+        //
+        // When navigating to the very beginning or end of completions, `last_rendered_range` may
+        // have no overlap with the completions that will be displayed, so instead use a range based
+        // on the last rendered count.
+        const APPROXIMATE_VISIBLE_COUNT: usize = 12;
+        let last_rendered_range = self.last_rendered_range.borrow().clone();
+        let visible_count = last_rendered_range
+            .clone()
+            .map_or(APPROXIMATE_VISIBLE_COUNT, |range| range.count());
+        let entry_range = if self.selected_item == 0 {
+            0..min(visible_count, self.entries.len())
+        } else if self.selected_item == self.entries.len() - 1 {
+            self.entries.len().saturating_sub(visible_count)..self.entries.len()
+        } else {
+            last_rendered_range.map_or(0..0, |range| {
+                min(range.start, self.entries.len())..min(range.end, self.entries.len())
+            })
+        };
 
-                cx.spawn(move |editor, mut cx| async move {
-                    if let Some(true) = resolve_task.await.log_err() {
-                        editor.update(&mut cx, |_, cx| cx.notify()).ok();
-                    }
-                })
-                .detach();
+        // Expand the range to resolve more completions than are predicted to be visible, to reduce
+        // jank on navigation.
+        const EXTRA_TO_RESOLVE: usize = 4;
+        let entry_indices = util::iterate_expanded_and_wrapped_usize_range(
+            entry_range.clone(),
+            EXTRA_TO_RESOLVE,
+            EXTRA_TO_RESOLVE,
+            self.entries.len(),
+        );
+
+        // Avoid work by sometimes filtering out completions that already have documentation.
+        // This filtering doesn't happen if the completions are currently being updated.
+        let completions = self.completions.borrow();
+        let candidate_ids = entry_indices
+            .flat_map(|i| Self::entry_candidate_id(&self.entries[i]))
+            .filter(|i| completions[*i].documentation.is_none());
+
+        // Current selection is always resolved even if it already has documentation, to handle
+        // out-of-spec language servers that return more results later.
+        let candidate_ids = match Self::entry_candidate_id(&self.entries[self.selected_item]) {
+            None => candidate_ids.collect::<Vec<usize>>(),
+            Some(selected_candidate_id) => iter::once(selected_candidate_id)
+                .chain(candidate_ids.filter(|id| *id != selected_candidate_id))
+                .collect::<Vec<usize>>(),
+        };
+
+        if candidate_ids.is_empty() {
+            return;
+        }
+
+        let resolve_task = provider.resolve_completions(
+            self.buffer.clone(),
+            candidate_ids,
+            self.completions.clone(),
+            cx,
+        );
+
+        cx.spawn(move |editor, mut cx| async move {
+            if let Some(true) = resolve_task.await.log_err() {
+                editor.update(&mut cx, |_, cx| cx.notify()).ok();
             }
-            CompletionEntry::InlineCompletionHint { .. } => {}
+        })
+        .detach();
+    }
+
+    fn entry_candidate_id(entry: &CompletionEntry) -> Option<usize> {
+        match entry {
+            CompletionEntry::Match(entry) => Some(entry.candidate_id),
+            CompletionEntry::InlineCompletionHint { .. } => None,
         }
     }
 
@@ -362,11 +443,8 @@ impl CompletionsMenu {
         &self,
         style: &EditorStyle,
         max_height_in_lines: u32,
-        workspace: Option<WeakView<Workspace>>,
         cx: &mut ViewContext<Editor>,
     ) -> AnyElement {
-        let max_height = max_height_in_lines as f32 * cx.line_height();
-
         let completions = self.completions.borrow_mut();
         let show_completion_documentation = self.show_completion_documentation;
         let widest_completion_ix = self
@@ -393,76 +471,19 @@ impl CompletionsMenu {
                 }) => provider_name.len(),
             })
             .map(|(ix, _)| ix);
+        drop(completions);
 
         let selected_item = self.selected_item;
-        let style = style.clone();
-
-        let multiline_docs = match &self.entries[selected_item] {
-            CompletionEntry::Match(mat) if show_completion_documentation => {
-                match &completions[mat.candidate_id].documentation {
-                    Some(Documentation::MultiLinePlainText(text)) => {
-                        Some(div().child(SharedString::from(text.clone())))
-                    }
-                    Some(Documentation::MultiLineMarkdown(parsed)) if !parsed.text.is_empty() => {
-                        Some(div().child(render_parsed_markdown(
-                            "completions_markdown",
-                            parsed,
-                            &style,
-                            workspace,
-                            cx,
-                        )))
-                    }
-                    Some(Documentation::Undocumented) if self.aside_was_displayed.get() => {
-                        Some(div().child("No documentation"))
-                    }
-                    _ => None,
-                }
-            }
-            CompletionEntry::InlineCompletionHint(hint) => Some(match &hint.text {
-                InlineCompletionText::Edit { text, highlights } => div()
-                    .my_1()
-                    .rounded(px(6.))
-                    .bg(cx.theme().colors().editor_background)
-                    .border_1()
-                    .border_color(cx.theme().colors().border_variant)
-                    .child(
-                        gpui::StyledText::new(text.clone())
-                            .with_highlights(&style.text, highlights.clone()),
-                    ),
-                InlineCompletionText::Move(text) => div().child(text.clone()),
-            }),
-            _ => None,
-        };
-
-        let aside_contents = if let Some(multiline_docs) = multiline_docs {
-            Some(multiline_docs)
-        } else if show_completion_documentation && self.aside_was_displayed.get() {
-            Some(div().child("Fetching documentation..."))
-        } else {
-            None
-        };
-        self.aside_was_displayed.set(aside_contents.is_some());
-
-        let aside_contents = aside_contents.map(|div| {
-            div.id("multiline_docs")
-                .max_h(max_height)
-                .flex_1()
-                .px_1p5()
-                .py_1()
-                .max_w(px(640.))
-                .w(px(450.))
-                .overflow_y_scroll()
-                .occlude()
-        });
-
-        drop(completions);
         let completions = self.completions.clone();
         let matches = self.entries.clone();
+        let last_rendered_range = self.last_rendered_range.clone();
+        let style = style.clone();
         let list = uniform_list(
             cx.view().clone(),
             "completions",
             matches.len(),
             move |_editor, range, cx| {
+                last_rendered_range.borrow_mut().replace(range.clone());
                 let start_ix = range.start;
                 let completions_guard = completions.borrow_mut();
 
@@ -588,12 +609,70 @@ impl CompletionsMenu {
         .with_width_from_item(widest_completion_ix)
         .with_sizing_behavior(ListSizingBehavior::Infer);
 
-        Popover::new()
-            .child(list)
-            .when_some(aside_contents, |popover, aside_contents| {
-                popover.aside(aside_contents)
-            })
-            .into_any_element()
+        Popover::new().child(list).into_any_element()
+    }
+
+    fn render_aside(
+        &self,
+        style: &EditorStyle,
+        max_size: Size<Pixels>,
+        workspace: Option<WeakView<Workspace>>,
+        cx: &mut ViewContext<Editor>,
+    ) -> Option<AnyElement> {
+        if !self.show_completion_documentation {
+            return None;
+        }
+
+        let multiline_docs = match &self.entries[self.selected_item] {
+            CompletionEntry::Match(mat) => {
+                match self.completions.borrow_mut()[mat.candidate_id]
+                    .documentation
+                    .as_ref()?
+                {
+                    Documentation::MultiLinePlainText(text) => {
+                        div().child(SharedString::from(text.clone()))
+                    }
+                    Documentation::MultiLineMarkdown(parsed) if !parsed.text.is_empty() => div()
+                        .child(render_parsed_markdown(
+                            "completions_markdown",
+                            parsed,
+                            &style,
+                            workspace,
+                            cx,
+                        )),
+                    Documentation::MultiLineMarkdown(_) => return None,
+                    Documentation::SingleLine(_) => return None,
+                    Documentation::Undocumented => return None,
+                }
+            }
+            CompletionEntry::InlineCompletionHint(hint) => match &hint.text {
+                InlineCompletionText::Edit { text, highlights } => div()
+                    .mx_1()
+                    .rounded(px(6.))
+                    .bg(cx.theme().colors().editor_background)
+                    .border_1()
+                    .border_color(cx.theme().colors().border_variant)
+                    .child(
+                        gpui::StyledText::new(text.clone())
+                            .with_highlights(&style.text, highlights.clone()),
+                    ),
+                InlineCompletionText::Move(text) => div().child(text.clone()),
+            },
+        };
+
+        Some(
+            Popover::new()
+                .child(
+                    multiline_docs
+                        .id("multiline_docs")
+                        .px(MENU_ASIDE_X_PADDING / 2.)
+                        .max_w(max_size.width)
+                        .max_h(max_size.height)
+                        .overflow_y_scroll()
+                        .occlude(),
+                )
+                .into_any_element(),
+        )
     }
 
     pub async fn filter(&mut self, query: Option<&str>, executor: BackgroundExecutor) {

crates/editor/src/display_map.rs

@@ -20,7 +20,6 @@
 mod block_map;
 mod crease_map;
 mod custom_highlights;
-mod diff_map;
 mod fold_map;
 mod inlay_map;
 pub(crate) mod invisibles;
@@ -31,19 +30,17 @@ use crate::{
     hover_links::InlayHighlight, movement::TextLayoutDetails, EditorStyle, InlayId, RowExt,
 };
 pub use block_map::{
-    Block, BlockChunks as DisplayChunks, BlockContext, BlockId, BlockMap, BlockPlacement,
-    BlockPoint, BlockProperties, BlockRows, BlockStyle, CustomBlockId, RenderBlock,
+    Block, BlockBufferRows, BlockChunks as DisplayChunks, BlockContext, BlockId, BlockMap,
+    BlockPlacement, BlockPoint, BlockProperties, BlockStyle, CustomBlockId, RenderBlock,
+    StickyHeaderExcerpt,
 };
 use block_map::{BlockRow, BlockSnapshot};
 use collections::{HashMap, HashSet};
 pub use crease_map::*;
-use diff_map::{DiffMap, DiffMapSnapshot, DiffOffset, DiffPoint};
 pub use fold_map::{Fold, FoldId, FoldPlaceholder, FoldPoint};
 use fold_map::{FoldMap, FoldSnapshot};
-use git::diff::DiffHunkStatus;
 use gpui::{
-    AnyElement, AppContext, Font, HighlightStyle, LineLayout, Model, ModelContext, Pixels,
-    UnderlineStyle,
+    AnyElement, Font, HighlightStyle, LineLayout, Model, ModelContext, Pixels, UnderlineStyle,
 };
 pub(crate) use inlay_map::Inlay;
 use inlay_map::{InlayMap, InlaySnapshot};
@@ -55,10 +52,9 @@ use language::{
 };
 use lsp::DiagnosticSeverity;
 use multi_buffer::{
-    Anchor, AnchorRangeExt, MultiBuffer, MultiBufferDiffHunk, MultiBufferPoint, MultiBufferRow,
-    MultiBufferSnapshot, RowInfo, ToOffset, ToPoint,
+    Anchor, AnchorRangeExt, MultiBuffer, MultiBufferPoint, MultiBufferRow, MultiBufferSnapshot,
+    ToOffset, ToPoint,
 };
-use project::buffer_store::BufferChangeSet;
 use serde::Deserialize;
 use std::{
     any::TypeId,
@@ -71,7 +67,7 @@ use std::{
 };
 use sum_tree::{Bias, TreeMap};
 use tab_map::{TabMap, TabSnapshot};
-use text::{BufferId, LineIndent};
+use text::LineIndent;
 use ui::{px, SharedString, WindowContext};
 use unicode_segmentation::UnicodeSegmentation;
 use wrap_map::{WrapMap, WrapSnapshot};
@@ -101,8 +97,6 @@ pub struct DisplayMap {
     buffer_subscription: BufferSubscription,
     /// Decides where the [`Inlay`]s should be displayed.
     inlay_map: InlayMap,
-    /// Decides where diff hunks should be.
-    diff_map: Model<DiffMap>,
     /// Decides where the fold indicators should be and tracks parts of a source file that are currently folded.
     fold_map: FoldMap,
     /// Keeps track of hard tabs in a buffer.
@@ -141,8 +135,7 @@ impl DisplayMap {
         let tab_size = Self::tab_size(&buffer, cx);
         let buffer_snapshot = buffer.read(cx).snapshot(cx);
         let crease_map = CreaseMap::new(&buffer_snapshot);
-        let (diff_map, snapshot) = DiffMap::new(buffer.clone(), cx);
-        let (inlay_map, snapshot) = InlayMap::new(snapshot);
+        let (inlay_map, snapshot) = InlayMap::new(buffer_snapshot);
         let (fold_map, snapshot) = FoldMap::new(snapshot);
         let (tab_map, snapshot) = TabMap::new(snapshot, tab_size);
         let (wrap_map, snapshot) = WrapMap::new(snapshot, font, font_size, wrap_width, cx);
@@ -161,7 +154,6 @@ impl DisplayMap {
             buffer_subscription,
             fold_map,
             inlay_map,
-            diff_map,
             tab_map,
             wrap_map,
             block_map,
@@ -177,10 +169,7 @@ impl DisplayMap {
     pub fn snapshot(&mut self, cx: &mut ModelContext<Self>) -> DisplaySnapshot {
         let buffer_snapshot = self.buffer.read(cx).snapshot(cx);
         let edits = self.buffer_subscription.consume().into_inner();
-        let (diff_snapshot, edits) = self.diff_map.update(cx, |diff_map, cx| {
-            diff_map.sync(buffer_snapshot.clone(), edits, cx)
-        });
-        let (inlay_snapshot, edits) = self.inlay_map.sync(diff_snapshot, edits);
+        let (inlay_snapshot, edits) = self.inlay_map.sync(buffer_snapshot, edits);
         let (fold_snapshot, edits) = self.fold_map.read(inlay_snapshot.clone(), edits);
         let tab_size = Self::tab_size(&self.buffer, cx);
         let (tab_snapshot, edits) = self.tab_map.sync(fold_snapshot.clone(), edits, tab_size);
@@ -229,10 +218,7 @@ impl DisplayMap {
         let buffer_snapshot = self.buffer.read(cx).snapshot(cx);
         let edits = self.buffer_subscription.consume().into_inner();
         let tab_size = Self::tab_size(&self.buffer, cx);
-        let (snapshot, edits) = self.diff_map.update(cx, |diff_map, cx| {
-            diff_map.sync(buffer_snapshot.clone(), edits, cx)
-        });
-        let (snapshot, edits) = self.inlay_map.sync(snapshot, edits);
+        let (snapshot, edits) = self.inlay_map.sync(buffer_snapshot.clone(), edits);
         let (mut fold_map, snapshot, edits) = self.fold_map.write(snapshot, edits);
         let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
         let (snapshot, edits) = self
@@ -305,9 +291,6 @@ impl DisplayMap {
         let snapshot = self.buffer.read(cx).snapshot(cx);
         let edits = self.buffer_subscription.consume().into_inner();
         let tab_size = Self::tab_size(&self.buffer, cx);
-        let (snapshot, edits) = self
-            .diff_map
-            .update(cx, |diff_map, cx| diff_map.sync(snapshot, edits, cx));
         let (snapshot, edits) = self.inlay_map.sync(snapshot, edits);
         let (mut fold_map, snapshot, edits) = self.fold_map.write(snapshot, edits);
         let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
@@ -337,9 +320,6 @@ impl DisplayMap {
             .collect::<Vec<_>>();
         let edits = self.buffer_subscription.consume().into_inner();
         let tab_size = Self::tab_size(&self.buffer, cx);
-        let (snapshot, edits) = self
-            .diff_map
-            .update(cx, |diff_map, cx| diff_map.sync(snapshot, edits, cx));
         let (snapshot, edits) = self.inlay_map.sync(snapshot, edits);
         let (mut fold_map, snapshot, edits) = self.fold_map.write(snapshot, edits);
         let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
@@ -362,9 +342,6 @@ impl DisplayMap {
         let snapshot = self.buffer.read(cx).snapshot(cx);
         let edits = self.buffer_subscription.consume().into_inner();
         let tab_size = Self::tab_size(&self.buffer, cx);
-        let (snapshot, edits) = self
-            .diff_map
-            .update(cx, |diff_map, cx| diff_map.sync(snapshot, edits, cx));
         let (snapshot, edits) = self.inlay_map.sync(snapshot, edits);
         let (snapshot, edits) = self.fold_map.read(snapshot, edits);
         let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
@@ -379,9 +356,6 @@ impl DisplayMap {
         let snapshot = self.buffer.read(cx).snapshot(cx);
         let edits = self.buffer_subscription.consume().into_inner();
         let tab_size = Self::tab_size(&self.buffer, cx);
-        let (snapshot, edits) = self
-            .diff_map
-            .update(cx, |diff_map, cx| diff_map.sync(snapshot, edits, cx));
         let (snapshot, edits) = self.inlay_map.sync(snapshot, edits);
         let (snapshot, edits) = self.fold_map.read(snapshot, edits);
         let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
@@ -414,71 +388,6 @@ impl DisplayMap {
         self.crease_map.remove(crease_ids, &snapshot)
     }
 
-    pub fn add_change_set(
-        &mut self,
-        change_set: Model<BufferChangeSet>,
-        cx: &mut ModelContext<Self>,
-    ) {
-        self.diff_map.update(cx, |diff_map, cx| {
-            diff_map.add_change_set(change_set, cx);
-        });
-    }
-
-    pub fn has_multiple_hunks(&self, cx: &AppContext) -> bool {
-        self.diff_map.read(cx).has_multiple_hunks()
-    }
-
-    pub fn has_expanded_diff_hunks_in_ranges(
-        &mut self,
-        ranges: &[Range<multi_buffer::Anchor>],
-        cx: &mut ModelContext<Self>,
-    ) -> bool {
-        self.diff_map
-            .read(cx)
-            .has_expanded_diff_hunks_in_ranges(ranges)
-    }
-
-    pub fn set_all_hunks_expanded(&mut self, cx: &mut ModelContext<Self>) {
-        self.update_diff_map(cx, |diff_map, cx| diff_map.set_all_hunks_expanded(cx))
-    }
-
-    pub fn expand_diff_hunks(&mut self, ranges: Vec<Range<Anchor>>, cx: &mut ModelContext<Self>) {
-        self.update_diff_map(cx, |diff_map, cx| diff_map.expand_diff_hunks(ranges, cx))
-    }
-
-    pub fn collapse_diff_hunks(&mut self, ranges: Vec<Range<Anchor>>, cx: &mut ModelContext<Self>) {
-        self.update_diff_map(cx, |diff_map, cx| diff_map.collapse_diff_hunks(ranges, cx))
-    }
-
-    pub fn diff_base_for<'a>(
-        &'a self,
-        buffer_id: BufferId,
-        cx: &'a AppContext,
-    ) -> Option<&'a Model<BufferChangeSet>> {
-        self.diff_map.read(cx).diff_base_for(buffer_id)
-    }
-
-    fn update_diff_map(
-        &mut self,
-        cx: &mut ModelContext<Self>,
-        f: impl FnOnce(&mut DiffMap, &mut ModelContext<DiffMap>),
-    ) {
-        let snapshot = self.buffer.read(cx).snapshot(cx);
-        let edits = self.buffer_subscription.consume().into_inner();
-        let (snapshot, edits) = self.diff_map.update(cx, |diff_map, cx| {
-            f(diff_map, cx);
-            diff_map.sync(snapshot, edits, cx)
-        });
-        let (snapshot, edits) = self.inlay_map.sync(snapshot, edits);
-        let (snapshot, edits) = self.fold_map.read(snapshot, edits);
-        let tab_size = Self::tab_size(&self.buffer, cx);
-        let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
-        let (snapshot, edits) = self
-            .wrap_map
-            .update(cx, |map, cx| map.sync(snapshot, edits, cx));
-        self.block_map.write(snapshot, edits);
-    }
-
     pub fn insert_blocks(
         &mut self,
         blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
@@ -487,9 +396,6 @@ impl DisplayMap {
         let snapshot = self.buffer.read(cx).snapshot(cx);
         let edits = self.buffer_subscription.consume().into_inner();
         let tab_size = Self::tab_size(&self.buffer, cx);
-        let (snapshot, edits) = self
-            .diff_map
-            .update(cx, |diff_map, cx| diff_map.sync(snapshot, edits, cx));
         let (snapshot, edits) = self.inlay_map.sync(snapshot, edits);
         let (snapshot, edits) = self.fold_map.read(snapshot, edits);
         let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
@@ -508,9 +414,6 @@ impl DisplayMap {
         let snapshot = self.buffer.read(cx).snapshot(cx);
         let edits = self.buffer_subscription.consume().into_inner();
         let tab_size = Self::tab_size(&self.buffer, cx);
-        let (snapshot, edits) = self
-            .diff_map
-            .update(cx, |diff_map, cx| diff_map.sync(snapshot, edits, cx));
         let (snapshot, edits) = self.inlay_map.sync(snapshot, edits);
         let (snapshot, edits) = self.fold_map.read(snapshot, edits);
         let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
@@ -529,9 +432,6 @@ impl DisplayMap {
         let snapshot = self.buffer.read(cx).snapshot(cx);
         let edits = self.buffer_subscription.consume().into_inner();
         let tab_size = Self::tab_size(&self.buffer, cx);
-        let (snapshot, edits) = self
-            .diff_map
-            .update(cx, |diff_map, cx| diff_map.sync(snapshot, edits, cx));
         let (snapshot, edits) = self.inlay_map.sync(snapshot, edits);
         let (snapshot, edits) = self.fold_map.read(snapshot, edits);
         let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
@@ -550,9 +450,6 @@ impl DisplayMap {
         let snapshot = self.buffer.read(cx).snapshot(cx);
         let edits = self.buffer_subscription.consume().into_inner();
         let tab_size = Self::tab_size(&self.buffer, cx);
-        let (snapshot, edits) = self
-            .diff_map
-            .update(cx, |diff_map, cx| diff_map.sync(snapshot, edits, cx));
         let (snapshot, edits) = self.inlay_map.sync(snapshot, edits);
         let (snapshot, edits) = self.fold_map.read(snapshot, edits);
         let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
@@ -628,10 +525,7 @@ impl DisplayMap {
         }
         let buffer_snapshot = self.buffer.read(cx).snapshot(cx);
         let edits = self.buffer_subscription.consume().into_inner();
-        let (snapshot, edits) = self.diff_map.update(cx, |diff_map, cx| {
-            diff_map.sync(buffer_snapshot.clone(), edits, cx)
-        });
-        let (snapshot, edits) = self.inlay_map.sync(snapshot.clone(), edits);
+        let (snapshot, edits) = self.inlay_map.sync(buffer_snapshot, edits);
         let (snapshot, edits) = self.fold_map.read(snapshot, edits);
         let tab_size = Self::tab_size(&self.buffer, cx);
         let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
@@ -817,35 +711,17 @@ impl DisplaySnapshot {
         self.fold_snapshot.fold_count()
     }
 
-    pub fn diff_hunks<'a>(&'a self) -> impl Iterator<Item = MultiBufferDiffHunk> + 'a {
-        self.diff_snapshot()
-            .diff_hunks_in_range(0..self.buffer_snapshot.len())
-    }
-
-    pub fn diff_hunks_in_range<'a, T: ToOffset>(
-        &'a self,
-        range: Range<T>,
-    ) -> impl Iterator<Item = MultiBufferDiffHunk> + 'a {
-        self.diff_snapshot().diff_hunks_in_range(range)
-    }
-
-    pub fn diff_hunks_in_range_rev<'a, T: ToOffset>(
-        &'a self,
-        range: Range<T>,
-    ) -> impl Iterator<Item = MultiBufferDiffHunk> + 'a {
-        self.diff_snapshot().diff_hunks_in_range_rev(range)
-    }
-
-    pub fn has_diff_hunks(&self) -> bool {
-        self.diff_snapshot().has_diff_hunks()
-    }
-
     pub fn is_empty(&self) -> bool {
         self.buffer_snapshot.len() == 0
     }
 
-    pub fn row_infos(&self, start_row: DisplayRow) -> impl Iterator<Item = RowInfo> + '_ {
-        self.block_snapshot.row_infos(BlockRow(start_row.0))
+    pub fn buffer_rows(
+        &self,
+        start_row: DisplayRow,
+    ) -> impl Iterator<Item = Option<MultiBufferRow>> + '_ {
+        self.block_snapshot
+            .buffer_rows(BlockRow(start_row.0))
+            .map(|row| row.map(MultiBufferRow))
     }
 
     pub fn widest_line_number(&self) -> u32 {
@@ -854,7 +730,7 @@ impl DisplaySnapshot {
 
     pub fn prev_line_boundary(&self, mut point: MultiBufferPoint) -> (Point, DisplayPoint) {
         loop {
-            let mut inlay_point = self.inlay_snapshot.make_inlay_point(point);
+            let mut inlay_point = self.inlay_snapshot.to_inlay_point(point);
             let mut fold_point = self.fold_snapshot.to_fold_point(inlay_point, Bias::Left);
             fold_point.0.column = 0;
             inlay_point = fold_point.to_inlay_point(&self.fold_snapshot);
@@ -876,7 +752,7 @@ impl DisplaySnapshot {
     ) -> (MultiBufferPoint, DisplayPoint) {
         let original_point = point;
         loop {
-            let mut inlay_point = self.inlay_snapshot.make_inlay_point(point);
+            let mut inlay_point = self.inlay_snapshot.to_inlay_point(point);
             let mut fold_point = self.fold_snapshot.to_fold_point(inlay_point, Bias::Right);
             fold_point.0.column = self.fold_snapshot.line_len(fold_point.row());
             inlay_point = fold_point.to_inlay_point(&self.fold_snapshot);
@@ -920,7 +796,7 @@ impl DisplaySnapshot {
     }
 
     pub fn point_to_display_point(&self, point: MultiBufferPoint, bias: Bias) -> DisplayPoint {
-        let inlay_point = self.inlay_snapshot.make_inlay_point(point);
+        let inlay_point = self.inlay_snapshot.to_inlay_point(point);
         let fold_point = self.fold_snapshot.to_fold_point(inlay_point, bias);
         let tab_point = self.tab_snapshot.to_tab_point(fold_point);
         let wrap_point = self.wrap_snapshot.tab_point_to_wrap_point(tab_point);
@@ -938,15 +814,9 @@ impl DisplaySnapshot {
             .to_offset(self.display_point_to_inlay_point(point, bias))
     }
 
-    pub fn display_point_to_diff_offset(&self, point: DisplayPoint, bias: Bias) -> DiffOffset {
-        self.diff_snapshot()
-            .point_to_offset(self.display_point_to_diff_point(point, bias))
-    }
-
     pub fn anchor_to_inlay_offset(&self, anchor: Anchor) -> InlayOffset {
-        let multibuffer_offset = anchor.to_offset(&self.buffer_snapshot);
-        let diff_offset = self.diff_snapshot().to_diff_offset(multibuffer_offset);
-        self.inlay_snapshot.to_inlay_offset(diff_offset)
+        self.inlay_snapshot
+            .to_inlay_offset(anchor.to_offset(&self.buffer_snapshot))
     }
 
     pub fn display_point_to_anchor(&self, point: DisplayPoint, bias: Bias) -> Anchor {
@@ -962,17 +832,6 @@ impl DisplaySnapshot {
         fold_point.to_inlay_point(&self.fold_snapshot)
     }
 
-    fn diff_point_to_display_point(&self, diff_point: DiffPoint, bias: Bias) -> DisplayPoint {
-        let inlay_point = self.inlay_snapshot.to_inlay_point(diff_point);
-        let fold_point = self.fold_snapshot.to_fold_point(inlay_point, bias);
-        self.fold_point_to_display_point(fold_point)
-    }
-
-    fn display_point_to_diff_point(&self, point: DisplayPoint, bias: Bias) -> DiffPoint {
-        self.inlay_snapshot
-            .to_diff_point(self.display_point_to_inlay_point(point, bias))
-    }
-
     pub fn display_point_to_fold_point(&self, point: DisplayPoint, bias: Bias) -> FoldPoint {
         let block_point = point.0;
         let wrap_point = self.block_snapshot.to_wrap_point(block_point, bias);
@@ -1210,22 +1069,6 @@ impl DisplaySnapshot {
             })
     }
 
-    pub fn anchor_before(&self, point: DisplayPoint) -> DisplayAnchor {
-        let diff_point = self.display_point_to_diff_point(point, Bias::Left);
-        self.diff_snapshot().point_to_anchor(diff_point, Bias::Left)
-    }
-
-    pub fn anchor_after(&self, point: DisplayPoint) -> DisplayAnchor {
-        let diff_point = self.display_point_to_diff_point(point, Bias::Left);
-        self.diff_snapshot()
-            .point_to_anchor(diff_point, Bias::Right)
-    }
-
-    pub fn anchor_to_point(&self, anchor: DisplayAnchor) -> DisplayPoint {
-        let diff_point = self.diff_snapshot().anchor_to_point(anchor);
-        self.diff_point_to_display_point(diff_point, Bias::Left)
-    }
-
     pub fn clip_point(&self, point: DisplayPoint, bias: Bias) -> DisplayPoint {
         let mut clipped = self.block_snapshot.clip_point(point.0, bias);
         if self.clip_at_line_ends {
@@ -1263,6 +1106,10 @@ impl DisplaySnapshot {
             .map(|(row, block)| (DisplayRow(row), block))
     }
 
+    pub fn sticky_header_excerpt(&self, row: DisplayRow) -> Option<StickyHeaderExcerpt<'_>> {
+        self.block_snapshot.sticky_header_excerpt(row.0)
+    }
+
     pub fn block_for_id(&self, id: BlockId) -> Option<Block> {
         self.block_snapshot.block_for_id(id)
     }
@@ -1465,51 +1312,6 @@ impl DisplaySnapshot {
     pub fn excerpt_header_height(&self) -> u32 {
         self.block_snapshot.excerpt_header_height
     }
-
-    pub(crate) fn diff_snapshot(&self) -> &DiffMapSnapshot {
-        &self.inlay_snapshot.diff_map_snapshot
-    }
-}
-
-#[derive(Clone, Copy, Eq, PartialEq, Debug, Hash)]
-pub struct DisplayAnchor {
-    pub anchor: multi_buffer::Anchor,
-    pub diff_base_anchor: Option<text::Anchor>,
-}
-
-impl DisplayAnchor {
-    pub fn min() -> Self {
-        Self {
-            anchor: multi_buffer::Anchor::min(),
-            diff_base_anchor: None,
-        }
-    }
-
-    pub fn max() -> Self {
-        Self {
-            anchor: multi_buffer::Anchor::max(),
-            diff_base_anchor: None,
-        }
-    }
-
-    pub fn cmp(&self, other: &DisplayAnchor, map: &DisplaySnapshot) -> std::cmp::Ordering {
-        map.diff_snapshot().compare_anchors(self, other)
-    }
-}
-
-pub trait DisplayCoordinate {
-    fn to_display_anchor(self, map: &DisplaySnapshot) -> DisplayAnchor;
-}
-
-impl DisplayCoordinate for DisplayAnchor {
-    fn to_display_anchor(self, _: &DisplaySnapshot) -> DisplayAnchor {
-        self
-    }
-}
-impl DisplayCoordinate for DisplayPoint {
-    fn to_display_anchor(self, map: &DisplaySnapshot) -> DisplayAnchor {
-        map.anchor_before(self)
-    }
 }
 
 #[derive(Copy, Clone, Default, Eq, Ord, PartialOrd, PartialEq)]

crates/editor/src/display_map/block_map.rs

@@ -2,7 +2,7 @@ use super::{
     wrap_map::{self, WrapEdit, WrapPoint, WrapSnapshot},
     Highlights,
 };
-use crate::{EditorStyle, GutterDimensions, RowInfo};
+use crate::{EditorStyle, GutterDimensions};
 use collections::{Bound, HashMap, HashSet};
 use gpui::{AnyElement, AppContext, EntityId, Pixels, WindowContext};
 use language::{Chunk, Patch, Point};
@@ -399,9 +399,9 @@ pub struct BlockChunks<'a> {
 }
 
 #[derive(Clone)]
-pub struct BlockRows<'a> {
+pub struct BlockBufferRows<'a> {
     transforms: sum_tree::Cursor<'a, Transform, (BlockRow, WrapRow)>,
-    input_rows: wrap_map::WrapRows<'a>,
+    input_buffer_rows: wrap_map::WrapBufferRows<'a>,
     output_row: BlockRow,
     started: bool,
 }
@@ -1360,7 +1360,7 @@ impl BlockSnapshot {
         }
     }
 
-    pub(super) fn row_infos(&self, start_row: BlockRow) -> BlockRows {
+    pub(super) fn buffer_rows(&self, start_row: BlockRow) -> BlockBufferRows {
         let mut cursor = self.transforms.cursor::<(BlockRow, WrapRow)>(&());
         cursor.seek(&start_row, Bias::Right, &());
         let (output_start, input_start) = cursor.start();
@@ -1373,9 +1373,9 @@ impl BlockSnapshot {
             0
         };
         let input_start_row = input_start.0 + overshoot;
-        BlockRows {
+        BlockBufferRows {
             transforms: cursor,
-            input_rows: self.wrap_snapshot.row_infos(input_start_row),
+            input_buffer_rows: self.wrap_snapshot.buffer_rows(input_start_row),
             output_row: start_row,
             started: false,
         }
@@ -1411,6 +1411,66 @@ impl BlockSnapshot {
         })
     }
 
+    pub fn sticky_header_excerpt(&self, top_row: u32) -> Option<StickyHeaderExcerpt<'_>> {
+        let mut cursor = self.transforms.cursor::<BlockRow>(&());
+        cursor.seek(&BlockRow(top_row), Bias::Left, &());
+
+        while let Some(transform) = cursor.item() {
+            let start = cursor.start().0;
+            let end = cursor.end(&()).0;
+
+            match &transform.block {
+                Some(Block::ExcerptBoundary {
+                    prev_excerpt,
+                    next_excerpt,
+                    starts_new_buffer,
+                    show_excerpt_controls,
+                    ..
+                }) => {
+                    let matches_start = if *show_excerpt_controls && prev_excerpt.is_some() {
+                        start < top_row
+                    } else {
+                        start <= top_row
+                    };
+
+                    if matches_start && top_row <= end {
+                        return next_excerpt.as_ref().map(|excerpt| StickyHeaderExcerpt {
+                            next_buffer_row: None,
+                            next_excerpt_controls_present: *show_excerpt_controls,
+                            excerpt,
+                        });
+                    }
+
+                    let next_buffer_row = if *starts_new_buffer { Some(end) } else { None };
+
+                    return prev_excerpt.as_ref().map(|excerpt| StickyHeaderExcerpt {
+                        excerpt,
+                        next_buffer_row,
+                        next_excerpt_controls_present: *show_excerpt_controls,
+                    });
+                }
+                Some(Block::FoldedBuffer {
+                    prev_excerpt: Some(excerpt),
+                    ..
+                }) if top_row <= start => {
+                    return Some(StickyHeaderExcerpt {
+                        next_buffer_row: Some(end),
+                        next_excerpt_controls_present: false,
+                        excerpt,
+                    });
+                }
+                Some(Block::FoldedBuffer { .. }) | Some(Block::Custom(_)) | None => {}
+            }
+
+            // This is needed to iterate past None / FoldedBuffer / Custom blocks. For FoldedBuffer,
+            // if scrolled slightly past the header of a folded block, the next block is needed for
+            // the sticky header.
+            cursor.next(&());
+        }
+
+        None
+    }
+
     pub fn block_for_id(&self, block_id: BlockId) -> Option<Block> {
         let buffer = self.wrap_snapshot.buffer_snapshot();
         let wrap_point = match block_id {
@@ -1694,6 +1754,13 @@ impl<'a> BlockChunks<'a> {
     }
 }
 
+pub struct StickyHeaderExcerpt<'a> {
+    pub excerpt: &'a ExcerptInfo,
+    pub next_excerpt_controls_present: bool,
+    // TODO az remove option
+    pub next_buffer_row: Option<u32>,
+}
+
 impl<'a> Iterator for BlockChunks<'a> {
     type Item = Chunk<'a>;
 
@@ -1766,8 +1833,8 @@ impl<'a> Iterator for BlockChunks<'a> {
     }
 }
 
-impl<'a> Iterator for BlockRows<'a> {
-    type Item = RowInfo;
+impl<'a> Iterator for BlockBufferRows<'a> {
+    type Item = Option<u32>;
 
     fn next(&mut self) -> Option<Self::Item> {
         if self.started {
@@ -1796,7 +1863,7 @@ impl<'a> Iterator for BlockRows<'a> {
                 .as_ref()
                 .map_or(true, |block| block.is_replacement())
             {
-                self.input_rows.seek(self.transforms.start().1 .0);
+                self.input_buffer_rows.seek(self.transforms.start().1 .0);
             }
         }
 
@@ -1804,15 +1871,15 @@ impl<'a> Iterator for BlockRows<'a> {
         if let Some(block) = transform.block.as_ref() {
             if block.is_replacement() && self.transforms.start().0 == self.output_row {
                 if matches!(block, Block::FoldedBuffer { .. }) {
-                    Some(RowInfo::default())
+                    Some(None)
                 } else {
-                    Some(self.input_rows.next().unwrap())
+                    Some(self.input_buffer_rows.next().unwrap())
                 }
             } else {
-                Some(RowInfo::default())
+                Some(None)
             }
         } else {
-            Some(self.input_rows.next().unwrap())
+            Some(self.input_buffer_rows.next().unwrap())
         }
     }
 }
@@ -1928,8 +1995,7 @@ fn offset_for_row(s: &str, target: u32) -> (u32, usize) {
 mod tests {
     use super::*;
     use crate::display_map::{
-        diff_map::DiffMap, fold_map::FoldMap, inlay_map::InlayMap, tab_map::TabMap,
-        wrap_map::WrapMap,
+        fold_map::FoldMap, inlay_map::InlayMap, tab_map::TabMap, wrap_map::WrapMap,
     };
     use gpui::{div, font, px, AppContext, Context as _, Element};
     use itertools::Itertools;
@@ -1963,8 +2029,7 @@ mod tests {
         let buffer = cx.update(|cx| MultiBuffer::build_simple(text, cx));
         let buffer_snapshot = cx.update(|cx| buffer.read(cx).snapshot(cx));
         let subscription = buffer.update(cx, |buffer, _| buffer.subscribe());
-        let (diff_map, diff_snapshot) = cx.update(|cx| DiffMap::new(buffer.clone(), cx));
-        let (mut inlay_map, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
+        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let (mut fold_map, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (mut tab_map, tab_snapshot) = TabMap::new(fold_snapshot, 1.try_into().unwrap());
         let (wrap_map, wraps_snapshot) =
@@ -2089,10 +2154,7 @@ mod tests {
         );
 
         assert_eq!(
-            snapshot
-                .row_infos(BlockRow(0))
-                .map(|row_info| row_info.buffer_row)
-                .collect::<Vec<_>>(),
+            snapshot.buffer_rows(BlockRow(0)).collect::<Vec<_>>(),
             &[
                 Some(0),
                 None,
@@ -2113,10 +2175,8 @@ mod tests {
             buffer.snapshot(cx)
         });
 
-        let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-            diff_map.sync(buffer_snapshot, subscription.consume().into_inner(), cx)
-        });
-        let (inlay_snapshot, inlay_edits) = inlay_map.sync(diff_snapshot, diff_edits);
+        let (inlay_snapshot, inlay_edits) =
+            inlay_map.sync(buffer_snapshot, subscription.consume().into_inner());
         let (fold_snapshot, fold_edits) = fold_map.read(inlay_snapshot, inlay_edits);
         let (tab_snapshot, tab_edits) =
             tab_map.sync(fold_snapshot, fold_edits, 4.try_into().unwrap());
@@ -2178,8 +2238,8 @@ mod tests {
                 .width;
         }
 
-        let (_, diff_snapshot) = DiffMap::new(multi_buffer.clone(), cx);
-        let (_, inlay_snapshot) = InlayMap::new(diff_snapshot);
+        let multi_buffer_snapshot = multi_buffer.read(cx).snapshot(cx);
+        let (_, inlay_snapshot) = InlayMap::new(multi_buffer_snapshot.clone());
         let (_, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (_, tab_snapshot) = TabMap::new(fold_snapshot, 4.try_into().unwrap());
         let (_, wraps_snapshot) = WrapMap::new(tab_snapshot, font, font_size, Some(wrap_width), cx);
@@ -2217,8 +2277,7 @@ mod tests {
         let buffer = cx.update(|cx| MultiBuffer::build_simple(text, cx));
         let buffer_snapshot = cx.update(|cx| buffer.read(cx).snapshot(cx));
         let _subscription = buffer.update(cx, |buffer, _| buffer.subscribe());
-        let (_diff_map, diff_snapshot) = cx.update(|cx| DiffMap::new(buffer.clone(), cx));
-        let (_inlay_map, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
+        let (_inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let (_fold_map, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (_tab_map, tab_snapshot) = TabMap::new(fold_snapshot, 1.try_into().unwrap());
         let (_wrap_map, wraps_snapshot) =
@@ -2320,8 +2379,7 @@ mod tests {
 
         let buffer = cx.update(|cx| MultiBuffer::build_simple(text, cx));
         let buffer_snapshot = cx.update(|cx| buffer.read(cx).snapshot(cx));
-        let (_, diff_snapshot) = cx.update(|cx| DiffMap::new(buffer.clone(), cx));
-        let (_, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
+        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let (_, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (_, tab_snapshot) = TabMap::new(fold_snapshot, 4.try_into().unwrap());
         let (_, wraps_snapshot) = cx.update(|cx| {
@@ -2365,8 +2423,7 @@ mod tests {
         let buffer = cx.update(|cx| MultiBuffer::build_simple(text, cx));
         let buffer_subscription = buffer.update(cx, |buffer, _cx| buffer.subscribe());
         let buffer_snapshot = cx.update(|cx| buffer.read(cx).snapshot(cx));
-        let (diff_map, diff_snapshot) = cx.update(|cx| DiffMap::new(buffer.clone(), cx));
-        let (mut inlay_map, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
+        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let (mut fold_map, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let tab_size = 1.try_into().unwrap();
         let (mut tab_map, tab_snapshot) = TabMap::new(fold_snapshot, tab_size);
@@ -2393,14 +2450,10 @@ mod tests {
             buffer.edit([(Point::new(2, 0)..Point::new(3, 0), "")], None, cx);
             buffer.snapshot(cx)
         });
-        let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-            diff_map.sync(
-                buffer_snapshot,
-                buffer_subscription.consume().into_inner(),
-                cx,
-            )
-        });
-        let (inlay_snapshot, inlay_edits) = inlay_map.sync(diff_snapshot.clone(), diff_edits);
+        let (inlay_snapshot, inlay_edits) = inlay_map.sync(
+            buffer_snapshot.clone(),
+            buffer_subscription.consume().into_inner(),
+        );
         let (fold_snapshot, fold_edits) = fold_map.read(inlay_snapshot, inlay_edits);
         let (tab_snapshot, tab_edits) = tab_map.sync(fold_snapshot, fold_edits, tab_size);
         let (wraps_snapshot, wrap_edits) = wrap_map.update(cx, |wrap_map, cx| {
@@ -2420,14 +2473,10 @@ mod tests {
             );
             buffer.snapshot(cx)
         });
-        let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-            diff_map.sync(
-                buffer_snapshot.clone(),
-                buffer_subscription.consume().into_inner(),
-                cx,
-            )
-        });
-        let (inlay_snapshot, inlay_edits) = inlay_map.sync(diff_snapshot, diff_edits);
+        let (inlay_snapshot, inlay_edits) = inlay_map.sync(
+            buffer_snapshot.clone(),
+            buffer_subscription.consume().into_inner(),
+        );
         let (fold_snapshot, fold_edits) = fold_map.read(inlay_snapshot, inlay_edits);
         let (tab_snapshot, tab_edits) = tab_map.sync(fold_snapshot, fold_edits, tab_size);
         let (wraps_snapshot, wrap_edits) = wrap_map.update(cx, |wrap_map, cx| {
@@ -2542,8 +2591,7 @@ mod tests {
         let buffer_id_2 = buffer_ids[1];
         let buffer_id_3 = buffer_ids[2];
 
-        let (_, diff_snapshot) = cx.update(|cx| DiffMap::new(buffer.clone(), cx));
-        let (_, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
+        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let (_, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (_, tab_snapshot) = TabMap::new(fold_snapshot, 4.try_into().unwrap());
         let (_, wrap_snapshot) =
@@ -2556,10 +2604,7 @@ mod tests {
             "\n\n\n111\n\n\n\n\n222\n\n\n333\n\n\n444\n\n\n\n\n555\n\n\n666\n"
         );
         assert_eq!(
-            blocks_snapshot
-                .row_infos(BlockRow(0))
-                .map(|i| i.buffer_row)
-                .collect::<Vec<_>>(),
+            blocks_snapshot.buffer_rows(BlockRow(0)).collect::<Vec<_>>(),
             vec![
                 None,
                 None,
@@ -2635,10 +2680,7 @@ mod tests {
             "\n\n\n111\n\n\n\n\n\n222\n\n\n\n333\n\n\n444\n\n\n\n\n\n\n555\n\n\n666\n\n"
         );
         assert_eq!(
-            blocks_snapshot
-                .row_infos(BlockRow(0))
-                .map(|i| i.buffer_row)
-                .collect::<Vec<_>>(),
+            blocks_snapshot.buffer_rows(BlockRow(0)).collect::<Vec<_>>(),
             vec![
                 None,
                 None,
@@ -2706,17 +2748,14 @@ mod tests {
                 .iter()
                 .filter(|(_, block)| matches!(block, Block::FoldedBuffer { .. }))
                 .count(),
-            "Should have one folded block, prodicing a header of the second buffer"
+            "Should have one folded block, producing a header of the second buffer"
         );
         assert_eq!(
             blocks_snapshot.text(),
             "\n\n\n\n\n\n222\n\n\n\n333\n\n\n444\n\n\n\n\n\n\n555\n\n\n666\n\n"
         );
         assert_eq!(
-            blocks_snapshot
-                .row_infos(BlockRow(0))
-                .map(|i| i.buffer_row)
-                .collect::<Vec<_>>(),
+            blocks_snapshot.buffer_rows(BlockRow(0)).collect::<Vec<_>>(),
             vec![
                 None,
                 None,
@@ -2781,10 +2820,7 @@ mod tests {
         );
         assert_eq!(blocks_snapshot.text(), "\n\n\n\n\n\n\n\n555\n\n\n666\n\n");
         assert_eq!(
-            blocks_snapshot
-                .row_infos(BlockRow(0))
-                .map(|i| i.buffer_row)
-                .collect::<Vec<_>>(),
+            blocks_snapshot.buffer_rows(BlockRow(0)).collect::<Vec<_>>(),
             vec![
                 None,
                 None,
@@ -2838,10 +2874,7 @@ mod tests {
             "Should have extra newline for 111 buffer, due to a new block added when it was folded"
         );
         assert_eq!(
-            blocks_snapshot
-                .row_infos(BlockRow(0))
-                .map(|i| i.buffer_row)
-                .collect::<Vec<_>>(),
+            blocks_snapshot.buffer_rows(BlockRow(0)).collect::<Vec<_>>(),
             vec![
                 None,
                 None,
@@ -2895,10 +2928,7 @@ mod tests {
             "Should have a single, first buffer left after folding"
         );
         assert_eq!(
-            blocks_snapshot
-                .row_infos(BlockRow(0))
-                .map(|i| i.buffer_row)
-                .collect::<Vec<_>>(),
+            blocks_snapshot.buffer_rows(BlockRow(0)).collect::<Vec<_>>(),
             vec![
                 None,
                 None,
@@ -2932,8 +2962,7 @@ mod tests {
         assert_eq!(buffer_ids.len(), 1);
         let buffer_id = buffer_ids[0];
 
-        let (_, diff_snapshot) = cx.update(|cx| DiffMap::new(buffer.clone(), cx));
-        let (_, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
+        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let (_, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (_, tab_snapshot) = TabMap::new(fold_snapshot, 4.try_into().unwrap());
         let (_, wrap_snapshot) =
@@ -2965,14 +2994,11 @@ mod tests {
                     }
                 })
                 .count(),
-            "Should have one folded block, prodicing a header of the second buffer"
+            "Should have one folded block, producing a header of the second buffer"
         );
         assert_eq!(blocks_snapshot.text(), "\n");
         assert_eq!(
-            blocks_snapshot
-                .row_infos(BlockRow(0))
-                .map(|i| i.buffer_row)
-                .collect::<Vec<_>>(),
+            blocks_snapshot.buffer_rows(BlockRow(0)).collect::<Vec<_>>(),
             vec![None, None],
             "When fully folded, should be no buffer rows"
         );
@@ -3018,8 +3044,7 @@ mod tests {
         };
 
         let mut buffer_snapshot = cx.update(|cx| buffer.read(cx).snapshot(cx));
-        let (diff_map, diff_snapshot) = cx.update(|cx| DiffMap::new(buffer.clone(), cx));
-        let (mut inlay_map, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
+        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let (mut fold_map, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (mut tab_map, tab_snapshot) = TabMap::new(fold_snapshot, 4.try_into().unwrap());
         let (wrap_map, wraps_snapshot) = cx
@@ -3077,10 +3102,8 @@ mod tests {
                         })
                         .collect::<Vec<_>>();
 
-                    let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-                        diff_map.sync(buffer_snapshot.clone(), vec![], cx)
-                    });
-                    let (inlay_snapshot, inlay_edits) = inlay_map.sync(diff_snapshot, diff_edits);
+                    let (inlay_snapshot, inlay_edits) =
+                        inlay_map.sync(buffer_snapshot.clone(), vec![]);
                     let (fold_snapshot, fold_edits) = fold_map.read(inlay_snapshot, inlay_edits);
                     let (tab_snapshot, tab_edits) =
                         tab_map.sync(fold_snapshot, fold_edits, tab_size);
@@ -3117,10 +3140,8 @@ mod tests {
                         .map(|block| block.id)
                         .collect::<HashSet<_>>();
 
-                    let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-                        diff_map.sync(buffer_snapshot.clone(), vec![], cx)
-                    });
-                    let (inlay_snapshot, inlay_edits) = inlay_map.sync(diff_snapshot, diff_edits);
+                    let (inlay_snapshot, inlay_edits) =
+                        inlay_map.sync(buffer_snapshot.clone(), vec![]);
                     let (fold_snapshot, fold_edits) = fold_map.read(inlay_snapshot, inlay_edits);
                     let (tab_snapshot, tab_edits) =
                         tab_map.sync(fold_snapshot, fold_edits, tab_size);
@@ -3140,11 +3161,8 @@ mod tests {
                         log::info!("Noop fold/unfold operation on a singleton buffer");
                         continue;
                     }
-                    let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-                        diff_map.sync(buffer_snapshot.clone(), vec![], cx)
-                    });
                     let (inlay_snapshot, inlay_edits) =
-                        inlay_map.sync(diff_snapshot.clone(), diff_edits);
+                        inlay_map.sync(buffer_snapshot.clone(), vec![]);
                     let (fold_snapshot, fold_edits) = fold_map.read(inlay_snapshot, inlay_edits);
                     let (tab_snapshot, tab_edits) =
                         tab_map.sync(fold_snapshot, fold_edits, tab_size);
@@ -3229,10 +3247,8 @@ mod tests {
                 }
             }
 
-            let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-                diff_map.sync(buffer_snapshot.clone(), buffer_edits, cx)
-            });
-            let (inlay_snapshot, inlay_edits) = inlay_map.sync(diff_snapshot, diff_edits);
+            let (inlay_snapshot, inlay_edits) =
+                inlay_map.sync(buffer_snapshot.clone(), buffer_edits);
             let (fold_snapshot, fold_edits) = fold_map.read(inlay_snapshot, inlay_edits);
             let (tab_snapshot, tab_edits) = tab_map.sync(fold_snapshot, fold_edits, tab_size);
             let (wraps_snapshot, wrap_edits) = wrap_map.update(cx, |wrap_map, cx| {
@@ -3435,8 +3451,7 @@ mod tests {
                 );
                 assert_eq!(
                     blocks_snapshot
-                        .row_infos(BlockRow(start_row as u32))
-                        .map(|row_info| row_info.buffer_row)
+                        .buffer_rows(BlockRow(start_row as u32))
                         .collect::<Vec<_>>(),
                     &expected_buffer_rows[start_row..],
                     "incorrect buffer_rows starting at row {:?}",

crates/editor/src/display_map/fold_map.rs

@@ -1,5 +1,3 @@
-use crate::RowInfo;
-
 use super::{
     inlay_map::{InlayBufferRows, InlayChunks, InlayEdit, InlayOffset, InlayPoint, InlaySnapshot},
     Highlights,
@@ -141,7 +139,7 @@ impl<'a> FoldMapWriter<'a> {
         let mut folds = Vec::new();
         let snapshot = self.0.snapshot.inlay_snapshot.clone();
         for (range, fold_text) in ranges.into_iter() {
-            let buffer = snapshot.buffer();
+            let buffer = &snapshot.buffer;
             let range = range.start.to_offset(buffer)..range.end.to_offset(buffer);
 
             // Ignore any empty ranges.
@@ -163,14 +161,14 @@ impl<'a> FoldMapWriter<'a> {
             });
 
             let inlay_range =
-                snapshot.make_inlay_offset(range.start)..snapshot.make_inlay_offset(range.end);
+                snapshot.to_inlay_offset(range.start)..snapshot.to_inlay_offset(range.end);
             edits.push(InlayEdit {
                 old: inlay_range.clone(),
                 new: inlay_range,
             });
         }
 
-        let buffer = snapshot.buffer();
+        let buffer = &snapshot.buffer;
         folds.sort_unstable_by(|a, b| sum_tree::SeekTarget::cmp(&a.range, &b.range, buffer));
 
         self.0.snapshot.folds = {
@@ -222,7 +220,7 @@ impl<'a> FoldMapWriter<'a> {
         let mut edits = Vec::new();
         let mut fold_ixs_to_delete = Vec::new();
         let snapshot = self.0.snapshot.inlay_snapshot.clone();
-        let buffer = snapshot.buffer();
+        let buffer = &snapshot.buffer;
         for range in ranges.into_iter() {
             let range = range.start.to_offset(buffer)..range.end.to_offset(buffer);
             let mut folds_cursor =
@@ -232,8 +230,8 @@ impl<'a> FoldMapWriter<'a> {
                     fold.range.start.to_offset(buffer)..fold.range.end.to_offset(buffer);
                 if should_unfold(fold) {
                     if offset_range.end > offset_range.start {
-                        let inlay_range = snapshot.make_inlay_offset(offset_range.start)
-                            ..snapshot.make_inlay_offset(offset_range.end);
+                        let inlay_range = snapshot.to_inlay_offset(offset_range.start)
+                            ..snapshot.to_inlay_offset(offset_range.end);
                         edits.push(InlayEdit {
                             old: inlay_range.clone(),
                             new: inlay_range,
@@ -277,7 +275,7 @@ impl FoldMap {
     pub(crate) fn new(inlay_snapshot: InlaySnapshot) -> (Self, FoldSnapshot) {
         let this = Self {
             snapshot: FoldSnapshot {
-                folds: SumTree::new(inlay_snapshot.buffer()),
+                folds: SumTree::new(&inlay_snapshot.buffer),
                 transforms: SumTree::from_item(
                     Transform {
                         summary: TransformSummary {
@@ -338,7 +336,9 @@ impl FoldMap {
             let mut folds = self.snapshot.folds.iter().peekable();
             while let Some(fold) = folds.next() {
                 if let Some(next_fold) = folds.peek() {
-                    let comparison = fold.range.cmp(&next_fold.range, self.snapshot.buffer());
+                    let comparison = fold
+                        .range
+                        .cmp(&next_fold.range, &self.snapshot.inlay_snapshot.buffer);
                     assert!(comparison.is_le());
                 }
             }
@@ -410,31 +410,31 @@ impl FoldMap {
                     InlayOffset(((edit.new.start + edit.old_len()).0 as isize + delta) as usize);
 
                 let anchor = inlay_snapshot
-                    .buffer()
+                    .buffer
                     .anchor_before(inlay_snapshot.to_buffer_offset(edit.new.start));
                 let mut folds_cursor = self
                     .snapshot
                     .folds
-                    .cursor::<FoldRange>(&inlay_snapshot.buffer());
+                    .cursor::<FoldRange>(&inlay_snapshot.buffer);
                 folds_cursor.seek(
                     &FoldRange(anchor..Anchor::max()),
                     Bias::Left,
-                    &inlay_snapshot.buffer(),
+                    &inlay_snapshot.buffer,
                 );
 
                 let mut folds = iter::from_fn({
                     let inlay_snapshot = &inlay_snapshot;
                     move || {
                         let item = folds_cursor.item().map(|fold| {
-                            let buffer_start = fold.range.start.to_offset(&inlay_snapshot.buffer());
-                            let buffer_end = fold.range.end.to_offset(&inlay_snapshot.buffer());
+                            let buffer_start = fold.range.start.to_offset(&inlay_snapshot.buffer);
+                            let buffer_end = fold.range.end.to_offset(&inlay_snapshot.buffer);
                             (
                                 fold.clone(),
-                                inlay_snapshot.make_inlay_offset(buffer_start)
-                                    ..inlay_snapshot.make_inlay_offset(buffer_end),
+                                inlay_snapshot.to_inlay_offset(buffer_start)
+                                    ..inlay_snapshot.to_inlay_offset(buffer_end),
                             )
                         });
-                        folds_cursor.next(&inlay_snapshot.buffer());
+                        folds_cursor.next(&inlay_snapshot.buffer);
                         item
                     }
                 })
@@ -578,10 +578,6 @@ pub struct FoldSnapshot {
 }
 
 impl FoldSnapshot {
-    pub fn buffer(&self) -> &MultiBufferSnapshot {
-        self.inlay_snapshot.buffer()
-    }
-
     #[cfg(test)]
     pub fn text(&self) -> String {
         self.chunks(FoldOffset(0)..self.len(), false, Highlights::default())
@@ -591,7 +587,7 @@ impl FoldSnapshot {
 
     #[cfg(test)]
     pub fn fold_count(&self) -> usize {
-        self.folds.items(self.inlay_snapshot.buffer()).len()
+        self.folds.items(&self.inlay_snapshot.buffer).len()
     }
 
     pub fn text_summary_for_range(&self, range: Range<FoldPoint>) -> TextSummary {
@@ -645,32 +641,6 @@ impl FoldSnapshot {
         summary
     }
 
-    pub fn make_fold_point(&self, point: Point, bias: Bias) -> FoldPoint {
-        self.to_fold_point(self.inlay_snapshot.make_inlay_point(point), bias)
-    }
-
-    pub fn make_fold_offset(&self, buffer_offset: usize, bias: Bias) -> FoldOffset {
-        self.to_fold_offset(self.inlay_snapshot.make_inlay_offset(buffer_offset), bias)
-    }
-
-    pub fn to_fold_offset(&self, inlay_offset: InlayOffset, bias: Bias) -> FoldOffset {
-        let mut cursor = self.transforms.cursor::<(InlayOffset, FoldOffset)>(&());
-        cursor.seek(&inlay_offset, Bias::Right, &());
-        if cursor.item().map_or(false, |t| t.is_fold()) {
-            if bias == Bias::Left || inlay_offset == cursor.start().0 {
-                cursor.start().1
-            } else {
-                cursor.end(&()).1
-            }
-        } else {
-            let overshoot = inlay_offset.0 - cursor.start().0 .0;
-            FoldOffset(cmp::min(
-                cursor.start().1 .0 + overshoot,
-                cursor.end(&()).1 .0,
-            ))
-        }
-    }
-
     pub fn to_fold_point(&self, point: InlayPoint, bias: Bias) -> FoldPoint {
         let mut cursor = self.transforms.cursor::<(InlayPoint, FoldPoint)>(&());
         cursor.seek(&point, Bias::Right, &());
@@ -703,7 +673,7 @@ impl FoldSnapshot {
         (line_end - line_start) as u32
     }
 
-    pub fn row_infos(&self, start_row: u32) -> FoldRows {
+    pub fn buffer_rows(&self, start_row: u32) -> FoldBufferRows {
         if start_row > self.transforms.summary().output.lines.row {
             panic!("invalid display row {}", start_row);
         }
@@ -714,11 +684,11 @@ impl FoldSnapshot {
 
         let overshoot = fold_point.0 - cursor.start().0 .0;
         let inlay_point = InlayPoint(cursor.start().1 .0 + overshoot);
-        let input_rows = self.inlay_snapshot.row_infos(inlay_point.row());
+        let input_buffer_rows = self.inlay_snapshot.buffer_rows(inlay_point.row());
 
-        FoldRows {
+        FoldBufferRows {
             fold_point,
-            input_rows,
+            input_buffer_rows,
             cursor,
         }
     }
@@ -736,12 +706,12 @@ impl FoldSnapshot {
     where
         T: ToOffset,
     {
-        let buffer = self.inlay_snapshot.buffer();
+        let buffer = &self.inlay_snapshot.buffer;
         let range = range.start.to_offset(buffer)..range.end.to_offset(buffer);
         let mut folds = intersecting_folds(&self.inlay_snapshot, &self.folds, range, false);
         iter::from_fn(move || {
             let item = folds.item();
-            folds.next(buffer);
+            folds.next(&self.inlay_snapshot.buffer);
             item
         })
     }
@@ -750,8 +720,8 @@ impl FoldSnapshot {
     where
         T: ToOffset,
     {
-        let buffer_offset = offset.to_offset(self.inlay_snapshot.buffer());
-        let inlay_offset = self.inlay_snapshot.make_inlay_offset(buffer_offset);
+        let buffer_offset = offset.to_offset(&self.inlay_snapshot.buffer);
+        let inlay_offset = self.inlay_snapshot.to_inlay_offset(buffer_offset);
         let mut cursor = self.transforms.cursor::<InlayOffset>(&());
         cursor.seek(&inlay_offset, Bias::Right, &());
         cursor.item().map_or(false, |t| t.placeholder.is_some())
@@ -760,7 +730,7 @@ impl FoldSnapshot {
     pub fn is_line_folded(&self, buffer_row: MultiBufferRow) -> bool {
         let mut inlay_point = self
             .inlay_snapshot
-            .make_inlay_point(Point::new(buffer_row.0, 0));
+            .to_inlay_point(Point::new(buffer_row.0, 0));
         let mut cursor = self.transforms.cursor::<InlayPoint>(&());
         cursor.seek(&inlay_point, Bias::Right, &());
         loop {
@@ -900,7 +870,7 @@ fn intersecting_folds<'a>(
     range: Range<usize>,
     inclusive: bool,
 ) -> FilterCursor<'a, impl 'a + FnMut(&FoldSummary) -> bool, Fold, usize> {
-    let buffer = inlay_snapshot.buffer();
+    let buffer = &inlay_snapshot.buffer;
     let start = buffer.anchor_before(range.start.to_offset(buffer));
     let end = buffer.anchor_after(range.end.to_offset(buffer));
     let mut cursor = folds.filter::<_, usize>(buffer, move |summary| {
@@ -1164,25 +1134,25 @@ impl<'a> sum_tree::Dimension<'a, FoldSummary> for usize {
 }
 
 #[derive(Clone)]
-pub struct FoldRows<'a> {
+pub struct FoldBufferRows<'a> {
     cursor: Cursor<'a, Transform, (FoldPoint, InlayPoint)>,
-    input_rows: InlayBufferRows<'a>,
+    input_buffer_rows: InlayBufferRows<'a>,
     fold_point: FoldPoint,
 }
 
-impl<'a> FoldRows<'a> {
+impl<'a> FoldBufferRows<'a> {
     pub(crate) fn seek(&mut self, row: u32) {
         let fold_point = FoldPoint::new(row, 0);
         self.cursor.seek(&fold_point, Bias::Left, &());
         let overshoot = fold_point.0 - self.cursor.start().0 .0;
         let inlay_point = InlayPoint(self.cursor.start().1 .0 + overshoot);
-        self.input_rows.seek(inlay_point.row());
+        self.input_buffer_rows.seek(inlay_point.row());
         self.fold_point = fold_point;
     }
 }
 
-impl<'a> Iterator for FoldRows<'a> {
-    type Item = RowInfo;
+impl<'a> Iterator for FoldBufferRows<'a> {
+    type Item = Option<u32>;
 
     fn next(&mut self) -> Option<Self::Item> {
         let mut traversed_fold = false;
@@ -1196,11 +1166,11 @@ impl<'a> Iterator for FoldRows<'a> {
 
         if self.cursor.item().is_some() {
             if traversed_fold {
-                self.input_rows.seek(self.cursor.start().1 .0.row);
-                self.input_rows.next();
+                self.input_buffer_rows.seek(self.cursor.start().1.row());
+                self.input_buffer_rows.next();
             }
             *self.fold_point.row_mut() += 1;
-            self.input_rows.next()
+            self.input_buffer_rows.next()
         } else {
             None
         }
@@ -1410,10 +1380,7 @@ pub type FoldEdit = Edit<FoldOffset>;
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::{
-        display_map::{diff_map::DiffMap, inlay_map::InlayMap},
-        MultiBuffer, ToPoint,
-    };
+    use crate::{display_map::inlay_map::InlayMap, MultiBuffer, ToPoint};
     use collections::HashSet;
     use rand::prelude::*;
     use settings::SettingsStore;
@@ -1428,8 +1395,8 @@ mod tests {
         init_test(cx);
         let buffer = MultiBuffer::build_simple(&sample_text(5, 6, 'a'), cx);
         let subscription = buffer.update(cx, |buffer, _| buffer.subscribe());
-        let (diff_map, diff_snapshot) = DiffMap::new(buffer.clone(), cx);
-        let (mut inlay_map, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
+        let buffer_snapshot = buffer.read(cx).snapshot(cx);
+        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let mut map = FoldMap::new(inlay_snapshot.clone()).0;
 
         let (mut writer, _, _) = map.write(inlay_snapshot, vec![]);
@@ -1464,14 +1431,8 @@ mod tests {
             buffer.snapshot(cx)
         });
 
-        let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-            diff_map.sync(
-                buffer_snapshot.clone(),
-                subscription.consume().into_inner(),
-                cx,
-            )
-        });
-        let (inlay_snapshot, inlay_edits) = inlay_map.sync(diff_snapshot, diff_edits);
+        let (inlay_snapshot, inlay_edits) =
+            inlay_map.sync(buffer_snapshot, subscription.consume().into_inner());
         let (snapshot3, edits) = map.read(inlay_snapshot, inlay_edits);
         assert_eq!(snapshot3.text(), "123a⋯c123c⋯eeeee");
         assert_eq!(
@@ -1492,11 +1453,8 @@ mod tests {
             buffer.edit([(Point::new(2, 6)..Point::new(4, 3), "456")], None, cx);
             buffer.snapshot(cx)
         });
-        let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-            diff_map.sync(buffer_snapshot, subscription.consume().into_inner(), cx)
-        });
-
-        let (inlay_snapshot, inlay_edits) = inlay_map.sync(diff_snapshot, diff_edits);
+        let (inlay_snapshot, inlay_edits) =
+            inlay_map.sync(buffer_snapshot, subscription.consume().into_inner());
         let (snapshot4, _) = map.read(inlay_snapshot.clone(), inlay_edits);
         assert_eq!(snapshot4.text(), "123a⋯c123456eee");
 
@@ -1516,8 +1474,8 @@ mod tests {
         init_test(cx);
         let buffer = MultiBuffer::build_simple("abcdefghijkl", cx);
         let subscription = buffer.update(cx, |buffer, _| buffer.subscribe());
-        let (diff_map, diff_snapshot) = DiffMap::new(buffer.clone(), cx);
-        let (mut inlay_map, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
+        let buffer_snapshot = buffer.read(cx).snapshot(cx);
+        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
 
         {
             let mut map = FoldMap::new(inlay_snapshot.clone()).0;
@@ -1563,10 +1521,8 @@ mod tests {
                 buffer.edit([(0..1, "12345")], None, cx);
                 buffer.snapshot(cx)
             });
-            let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-                diff_map.sync(buffer_snapshot, subscription.consume().into_inner(), cx)
-            });
-            let (inlay_snapshot, inlay_edits) = inlay_map.sync(diff_snapshot, diff_edits);
+            let (inlay_snapshot, inlay_edits) =
+                inlay_map.sync(buffer_snapshot, subscription.consume().into_inner());
             let (snapshot, _) = map.read(inlay_snapshot, inlay_edits);
             assert_eq!(snapshot.text(), "12345⋯fghijkl");
         }
@@ -1575,8 +1531,8 @@ mod tests {
     #[gpui::test]
     fn test_overlapping_folds(cx: &mut gpui::AppContext) {
         let buffer = MultiBuffer::build_simple(&sample_text(5, 6, 'a'), cx);
-        let (_, diff_snapshot) = DiffMap::new(buffer.clone(), cx);
-        let (_, inlay_snapshot) = InlayMap::new(diff_snapshot);
+        let buffer_snapshot = buffer.read(cx).snapshot(cx);
+        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot);
         let mut map = FoldMap::new(inlay_snapshot.clone()).0;
         let (mut writer, _, _) = map.write(inlay_snapshot.clone(), vec![]);
         writer.fold(vec![
@@ -1594,8 +1550,8 @@ mod tests {
         init_test(cx);
         let buffer = MultiBuffer::build_simple(&sample_text(5, 6, 'a'), cx);
         let subscription = buffer.update(cx, |buffer, _| buffer.subscribe());
-        let (diff_map, diff_snapshot) = DiffMap::new(buffer.clone(), cx);
-        let (mut inlay_map, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
+        let buffer_snapshot = buffer.read(cx).snapshot(cx);
+        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let mut map = FoldMap::new(inlay_snapshot.clone()).0;
 
         let (mut writer, _, _) = map.write(inlay_snapshot.clone(), vec![]);
@@ -1610,10 +1566,8 @@ mod tests {
             buffer.edit([(Point::new(2, 2)..Point::new(3, 1), "")], None, cx);
             buffer.snapshot(cx)
         });
-        let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-            diff_map.sync(buffer_snapshot, subscription.consume().into_inner(), cx)
-        });
-        let (inlay_snapshot, inlay_edits) = inlay_map.sync(diff_snapshot, diff_edits);
+        let (inlay_snapshot, inlay_edits) =
+            inlay_map.sync(buffer_snapshot, subscription.consume().into_inner());
         let (snapshot, _) = map.read(inlay_snapshot, inlay_edits);
         assert_eq!(snapshot.text(), "aa⋯eeeee");
     }
@@ -1622,8 +1576,7 @@ mod tests {
     fn test_folds_in_range(cx: &mut gpui::AppContext) {
         let buffer = MultiBuffer::build_simple(&sample_text(5, 6, 'a'), cx);
         let buffer_snapshot = buffer.read(cx).snapshot(cx);
-        let (_, diff_snapshot) = DiffMap::new(buffer.clone(), cx);
-        let (_, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
+        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let mut map = FoldMap::new(inlay_snapshot.clone()).0;
 
         let (mut writer, _, _) = map.write(inlay_snapshot.clone(), vec![]);
@@ -1665,8 +1618,7 @@ mod tests {
             MultiBuffer::build_random(&mut rng, cx)
         };
         let mut buffer_snapshot = buffer.read(cx).snapshot(cx);
-        let (diff_map, diff_snapshot) = DiffMap::new(buffer.clone(), cx);
-        let (mut inlay_map, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
+        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let mut map = FoldMap::new(inlay_snapshot.clone()).0;
 
         let (mut initial_snapshot, _) = map.read(inlay_snapshot.clone(), vec![]);
@@ -1696,10 +1648,8 @@ mod tests {
                 }),
             };
 
-            let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-                diff_map.sync(buffer_snapshot.clone(), buffer_edits, cx)
-            });
-            let (inlay_snapshot, new_inlay_edits) = inlay_map.sync(diff_snapshot, diff_edits);
+            let (inlay_snapshot, new_inlay_edits) =
+                inlay_map.sync(buffer_snapshot.clone(), buffer_edits);
             log::info!("inlay text {:?}", inlay_snapshot.text());
 
             let inlay_edits = Patch::new(inlay_edits)
@@ -1710,8 +1660,8 @@ mod tests {
 
             let mut expected_text: String = inlay_snapshot.text().to_string();
             for fold_range in map.merged_folds().into_iter().rev() {
-                let fold_inlay_start = inlay_snapshot.make_inlay_offset(fold_range.start);
-                let fold_inlay_end = inlay_snapshot.make_inlay_offset(fold_range.end);
+                let fold_inlay_start = inlay_snapshot.to_inlay_offset(fold_range.start);
+                let fold_inlay_end = inlay_snapshot.to_inlay_offset(fold_range.end);
                 expected_text.replace_range(fold_inlay_start.0..fold_inlay_end.0, "⋯");
             }
 
@@ -1726,19 +1676,19 @@ mod tests {
             let mut expected_buffer_rows = Vec::new();
             for fold_range in map.merged_folds() {
                 let fold_start = inlay_snapshot
-                    .to_point(inlay_snapshot.make_inlay_offset(fold_range.start))
+                    .to_point(inlay_snapshot.to_inlay_offset(fold_range.start))
                     .row();
                 let fold_end = inlay_snapshot
-                    .to_point(inlay_snapshot.make_inlay_offset(fold_range.end))
+                    .to_point(inlay_snapshot.to_inlay_offset(fold_range.end))
                     .row();
                 expected_buffer_rows.extend(
                     inlay_snapshot
-                        .row_infos(prev_row)
+                        .buffer_rows(prev_row)
                         .take((1 + fold_start - prev_row) as usize),
                 );
                 prev_row = 1 + fold_end;
             }
-            expected_buffer_rows.extend(inlay_snapshot.row_infos(prev_row));
+            expected_buffer_rows.extend(inlay_snapshot.buffer_rows(prev_row));
 
             assert_eq!(
                 expected_buffer_rows.len(),
@@ -1827,7 +1777,7 @@ mod tests {
             let mut fold_row = 0;
             while fold_row < expected_buffer_rows.len() as u32 {
                 assert_eq!(
-                    snapshot.row_infos(fold_row).collect::<Vec<_>>(),
+                    snapshot.buffer_rows(fold_row).collect::<Vec<_>>(),
                     expected_buffer_rows[(fold_row as usize)..],
                     "wrong buffer rows starting at fold row {}",
                     fold_row,
@@ -1929,8 +1879,8 @@ mod tests {
         let text = sample_text(6, 6, 'a') + "\n";
         let buffer = MultiBuffer::build_simple(&text, cx);
 
-        let (_, diff_snapshot) = DiffMap::new(buffer.clone(), cx);
-        let (_, inlay_snapshot) = InlayMap::new(diff_snapshot);
+        let buffer_snapshot = buffer.read(cx).snapshot(cx);
+        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot);
         let mut map = FoldMap::new(inlay_snapshot.clone()).0;
 
         let (mut writer, _, _) = map.write(inlay_snapshot.clone(), vec![]);
@@ -1942,19 +1892,10 @@ mod tests {
         let (snapshot, _) = map.read(inlay_snapshot, vec![]);
         assert_eq!(snapshot.text(), "aa⋯cccc\nd⋯eeeee\nffffff\n");
         assert_eq!(
-            snapshot
-                .row_infos(0)
-                .map(|info| info.buffer_row)
-                .collect::<Vec<_>>(),
+            snapshot.buffer_rows(0).collect::<Vec<_>>(),
             [Some(0), Some(3), Some(5), Some(6)]
         );
-        assert_eq!(
-            snapshot
-                .row_infos(3)
-                .map(|info| info.buffer_row)
-                .collect::<Vec<_>>(),
-            [Some(6)]
-        );
+        assert_eq!(snapshot.buffer_rows(3).collect::<Vec<_>>(), [Some(6)]);
     }
 
     fn init_test(cx: &mut gpui::AppContext) {
@@ -1965,7 +1906,7 @@ mod tests {
     impl FoldMap {
         fn merged_folds(&self) -> Vec<Range<usize>> {
             let inlay_snapshot = self.snapshot.inlay_snapshot.clone();
-            let buffer = inlay_snapshot.buffer();
+            let buffer = &inlay_snapshot.buffer;
             let mut folds = self.snapshot.folds.items(buffer);
             // Ensure sorting doesn't change how folds get merged and displayed.
             folds.sort_by(|a, b| a.range.cmp(&b.range, buffer));
@@ -2001,7 +1942,7 @@ mod tests {
             match rng.gen_range(0..=100) {
                 0..=39 if !self.snapshot.folds.is_empty() => {
                     let inlay_snapshot = self.snapshot.inlay_snapshot.clone();
-                    let buffer = inlay_snapshot.buffer();
+                    let buffer = &inlay_snapshot.buffer;
                     let mut to_unfold = Vec::new();
                     for _ in 0..rng.gen_range(1..=3) {
                         let end = buffer.clip_offset(rng.gen_range(0..=buffer.len()), Right);
@@ -2017,7 +1958,7 @@ mod tests {
                 }
                 _ => {
                     let inlay_snapshot = self.snapshot.inlay_snapshot.clone();
-                    let buffer = inlay_snapshot.buffer();
+                    let buffer = &inlay_snapshot.buffer;
                     let mut to_fold = Vec::new();
                     for _ in 0..rng.gen_range(1..=2) {
                         let end = buffer.clip_offset(rng.gen_range(0..=buffer.len()), Right);

crates/editor/src/display_map/inlay_map.rs

@@ -1,7 +1,7 @@
-use crate::{HighlightStyles, InlayId, RowInfo};
+use crate::{HighlightStyles, InlayId};
 use collections::BTreeSet;
 use language::{Chunk, Edit, Point, TextSummary};
-use multi_buffer::{Anchor, MultiBufferSnapshot, ToOffset};
+use multi_buffer::{Anchor, MultiBufferRow, MultiBufferRows, MultiBufferSnapshot, ToOffset};
 use std::{
     cmp,
     ops::{Add, AddAssign, Range, Sub, SubAssign},
@@ -9,10 +9,7 @@ use std::{
 use sum_tree::{Bias, Cursor, SumTree};
 use text::{Patch, Rope};
 
-use super::{
-    diff_map::{DiffEdit, DiffMapChunks, DiffMapRows, DiffMapSnapshot, DiffOffset, DiffPoint},
-    Highlights,
-};
+use super::{custom_highlights::CustomHighlightsChunks, Highlights};
 
 /// Decides where the [`Inlay`]s should be displayed.
 ///
@@ -24,7 +21,7 @@ pub struct InlayMap {
 
 #[derive(Clone)]
 pub struct InlaySnapshot {
-    pub diff_map_snapshot: DiffMapSnapshot,
+    pub buffer: MultiBufferSnapshot,
     transforms: SumTree<Transform>,
     pub version: usize,
 }
@@ -175,37 +172,37 @@ impl<'a> sum_tree::Dimension<'a, TransformSummary> for InlayPoint {
     }
 }
 
-impl<'a> sum_tree::Dimension<'a, TransformSummary> for DiffOffset {
-    fn zero(_cx: &()) -> Self {
-        DiffOffset(0)
-    }
-
-    fn add_summary(&mut self, summary: &'a TransformSummary, _: &()) {
-        self.0 += &summary.input.len;
-    }
-}
-
-impl<'a> sum_tree::Dimension<'a, TransformSummary> for DiffPoint {
+impl<'a> sum_tree::Dimension<'a, TransformSummary> for usize {
     fn zero(_cx: &()) -> Self {
         Default::default()
     }
 
     fn add_summary(&mut self, summary: &'a TransformSummary, _: &()) {
-        self.0 += &summary.input.lines;
+        *self += &summary.input.len;
+    }
+}
+
+impl<'a> sum_tree::Dimension<'a, TransformSummary> for Point {
+    fn zero(_cx: &()) -> Self {
+        Default::default()
+    }
+
+    fn add_summary(&mut self, summary: &'a TransformSummary, _: &()) {
+        *self += &summary.input.lines;
     }
 }
 
 #[derive(Clone)]
 pub struct InlayBufferRows<'a> {
-    transforms: Cursor<'a, Transform, (InlayPoint, DiffPoint)>,
-    diff_rows: DiffMapRows<'a>,
+    transforms: Cursor<'a, Transform, (InlayPoint, Point)>,
+    buffer_rows: MultiBufferRows<'a>,
     inlay_row: u32,
-    max_point: DiffPoint,
+    max_buffer_row: MultiBufferRow,
 }
 
 pub struct InlayChunks<'a> {
-    transforms: Cursor<'a, Transform, (InlayOffset, DiffOffset)>,
-    diff_map_chunks: DiffMapChunks<'a>,
+    transforms: Cursor<'a, Transform, (InlayOffset, usize)>,
+    buffer_chunks: CustomHighlightsChunks<'a>,
     buffer_chunk: Option<Chunk<'a>>,
     inlay_chunks: Option<text::Chunks<'a>>,
     inlay_chunk: Option<&'a str>,
@@ -217,21 +214,21 @@ pub struct InlayChunks<'a> {
 }
 
 impl<'a> InlayChunks<'a> {
-    pub fn offset(&self) -> InlayOffset {
-        self.output_offset
-    }
-
     pub fn seek(&mut self, new_range: Range<InlayOffset>) {
         self.transforms.seek(&new_range.start, Bias::Right, &());
 
-        let diff_range = self.snapshot.to_diff_offset(new_range.start)
-            ..self.snapshot.to_diff_offset(new_range.end);
-        self.diff_map_chunks.seek(diff_range);
+        let buffer_range = self.snapshot.to_buffer_offset(new_range.start)
+            ..self.snapshot.to_buffer_offset(new_range.end);
+        self.buffer_chunks.seek(buffer_range);
         self.inlay_chunks = None;
         self.buffer_chunk = None;
         self.output_offset = new_range.start;
         self.max_output_offset = new_range.end;
     }
+
+    pub fn offset(&self) -> InlayOffset {
+        self.output_offset
+    }
 }
 
 impl<'a> Iterator for InlayChunks<'a> {
@@ -246,9 +243,9 @@ impl<'a> Iterator for InlayChunks<'a> {
             Transform::Isomorphic(_) => {
                 let chunk = self
                     .buffer_chunk
-                    .get_or_insert_with(|| self.diff_map_chunks.next().unwrap());
+                    .get_or_insert_with(|| self.buffer_chunks.next().unwrap());
                 if chunk.text.is_empty() {
-                    *chunk = self.diff_map_chunks.next().unwrap();
+                    *chunk = self.buffer_chunks.next().unwrap();
                 }
 
                 let (prefix, suffix) = chunk.text.split_at(
@@ -347,33 +344,33 @@ impl<'a> InlayBufferRows<'a> {
         let inlay_point = InlayPoint::new(row, 0);
         self.transforms.seek(&inlay_point, Bias::Left, &());
 
-        let mut diff_point = self.transforms.start().1;
-        let row = if row == 0 {
+        let mut buffer_point = self.transforms.start().1;
+        let buffer_row = MultiBufferRow(if row == 0 {
             0
         } else {
             match self.transforms.item() {
                 Some(Transform::Isomorphic(_)) => {
-                    diff_point.0 += inlay_point.0 - self.transforms.start().0 .0;
-                    diff_point.row()
+                    buffer_point += inlay_point.0 - self.transforms.start().0 .0;
+                    buffer_point.row
                 }
-                _ => cmp::min(diff_point.row() + 1, self.max_point.row()),
+                _ => cmp::min(buffer_point.row + 1, self.max_buffer_row.0),
             }
-        };
+        });
         self.inlay_row = inlay_point.row();
-        self.diff_rows.seek(row);
+        self.buffer_rows.seek(buffer_row);
     }
 }
 
 impl<'a> Iterator for InlayBufferRows<'a> {
-    type Item = RowInfo;
+    type Item = Option<u32>;
 
     fn next(&mut self) -> Option<Self::Item> {
-        let row_info = if self.inlay_row == 0 {
-            self.diff_rows.next().unwrap()
+        let buffer_row = if self.inlay_row == 0 {
+            self.buffer_rows.next().unwrap()
         } else {
             match self.transforms.item()? {
-                Transform::Inlay(_) => Default::default(),
-                Transform::Isomorphic(_) => self.diff_rows.next().unwrap(),
+                Transform::Inlay(_) => None,
+                Transform::Isomorphic(_) => self.buffer_rows.next().unwrap(),
             }
         };
 
@@ -381,7 +378,7 @@ impl<'a> Iterator for InlayBufferRows<'a> {
         self.transforms
             .seek_forward(&InlayPoint::new(self.inlay_row, 0), Bias::Left, &());
 
-        Some(row_info)
+        Some(buffer_row)
     }
 }
 
@@ -396,14 +393,11 @@ impl InlayPoint {
 }
 
 impl InlayMap {
-    pub fn new(diff_map_snapshot: DiffMapSnapshot) -> (Self, InlaySnapshot) {
+    pub fn new(buffer: MultiBufferSnapshot) -> (Self, InlaySnapshot) {
         let version = 0;
         let snapshot = InlaySnapshot {
-            transforms: SumTree::from_iter(
-                Some(Transform::Isomorphic(diff_map_snapshot.text_summary())),
-                &(),
-            ),
-            diff_map_snapshot,
+            buffer: buffer.clone(),
+            transforms: SumTree::from_iter(Some(Transform::Isomorphic(buffer.text_summary())), &()),
             version,
         };
 
@@ -418,121 +412,133 @@ impl InlayMap {
 
     pub fn sync(
         &mut self,
-        diff_map_snapshot: DiffMapSnapshot,
-        mut diff_edits: Vec<DiffEdit>,
+        buffer_snapshot: MultiBufferSnapshot,
+        mut buffer_edits: Vec<text::Edit<usize>>,
     ) -> (InlaySnapshot, Vec<InlayEdit>) {
         let snapshot = &mut self.snapshot;
 
-        if diff_edits.is_empty()
-            && snapshot.buffer().trailing_excerpt_update_count()
-                != diff_map_snapshot.buffer().trailing_excerpt_update_count()
+        if buffer_edits.is_empty()
+            && snapshot.buffer.trailing_excerpt_update_count()
+                != buffer_snapshot.trailing_excerpt_update_count()
         {
-            diff_edits.push(Edit {
-                old: snapshot.diff_map_snapshot.len()..snapshot.diff_map_snapshot.len(),
-                new: diff_map_snapshot.len()..diff_map_snapshot.len(),
+            buffer_edits.push(Edit {
+                old: snapshot.buffer.len()..snapshot.buffer.len(),
+                new: buffer_snapshot.len()..buffer_snapshot.len(),
             });
         }
 
-        let mut inlay_edits = Patch::default();
-        let mut new_transforms = SumTree::default();
-        let mut cursor = snapshot.transforms.cursor::<(DiffOffset, InlayOffset)>(&());
-        let mut diff_edits_iter = diff_edits.iter().peekable();
-        while let Some(diff_edit) = diff_edits_iter.next() {
-            new_transforms.append(cursor.slice(&diff_edit.old.start, Bias::Left, &()), &());
-            if let Some(Transform::Isomorphic(transform)) = cursor.item() {
-                if cursor.end(&()).0 == diff_edit.old.start {
-                    push_isomorphic(&mut new_transforms, transform.clone());
+        if buffer_edits.is_empty() {
+            if snapshot.buffer.edit_count() != buffer_snapshot.edit_count()
+                || snapshot.buffer.non_text_state_update_count()
+                    != buffer_snapshot.non_text_state_update_count()
+                || snapshot.buffer.trailing_excerpt_update_count()
+                    != buffer_snapshot.trailing_excerpt_update_count()
+            {
+                snapshot.version += 1;
+            }
+
+            snapshot.buffer = buffer_snapshot;
+            (snapshot.clone(), Vec::new())
+        } else {
+            let mut inlay_edits = Patch::default();
+            let mut new_transforms = SumTree::default();
+            let mut cursor = snapshot.transforms.cursor::<(usize, InlayOffset)>(&());
+            let mut buffer_edits_iter = buffer_edits.iter().peekable();
+            while let Some(buffer_edit) = buffer_edits_iter.next() {
+                new_transforms.append(cursor.slice(&buffer_edit.old.start, Bias::Left, &()), &());
+                if let Some(Transform::Isomorphic(transform)) = cursor.item() {
+                    if cursor.end(&()).0 == buffer_edit.old.start {
+                        push_isomorphic(&mut new_transforms, transform.clone());
+                        cursor.next(&());
+                    }
+                }
+
+                // Remove all the inlays and transforms contained by the edit.
+                let old_start =
+                    cursor.start().1 + InlayOffset(buffer_edit.old.start - cursor.start().0);
+                cursor.seek(&buffer_edit.old.end, Bias::Right, &());
+                let old_end =
+                    cursor.start().1 + InlayOffset(buffer_edit.old.end - cursor.start().0);
+
+                // Push the unchanged prefix.
+                let prefix_start = new_transforms.summary().input.len;
+                let prefix_end = buffer_edit.new.start;
+                push_isomorphic(
+                    &mut new_transforms,
+                    buffer_snapshot.text_summary_for_range(prefix_start..prefix_end),
+                );
+                let new_start = InlayOffset(new_transforms.summary().output.len);
+
+                let start_ix = match self.inlays.binary_search_by(|probe| {
+                    probe
+                        .position
+                        .to_offset(&buffer_snapshot)
+                        .cmp(&buffer_edit.new.start)
+                        .then(std::cmp::Ordering::Greater)
+                }) {
+                    Ok(ix) | Err(ix) => ix,
+                };
+
+                for inlay in &self.inlays[start_ix..] {
+                    let buffer_offset = inlay.position.to_offset(&buffer_snapshot);
+                    if buffer_offset > buffer_edit.new.end {
+                        break;
+                    }
+
+                    let prefix_start = new_transforms.summary().input.len;
+                    let prefix_end = buffer_offset;
+                    push_isomorphic(
+                        &mut new_transforms,
+                        buffer_snapshot.text_summary_for_range(prefix_start..prefix_end),
+                    );
+
+                    if inlay.position.is_valid(&buffer_snapshot) {
+                        new_transforms.push(Transform::Inlay(inlay.clone()), &());
+                    }
+                }
+
+                // Apply the rest of the edit.
+                let transform_start = new_transforms.summary().input.len;
+                push_isomorphic(
+                    &mut new_transforms,
+                    buffer_snapshot.text_summary_for_range(transform_start..buffer_edit.new.end),
+                );
+                let new_end = InlayOffset(new_transforms.summary().output.len);
+                inlay_edits.push(Edit {
+                    old: old_start..old_end,
+                    new: new_start..new_end,
+                });
+
+                // If the next edit doesn't intersect the current isomorphic transform, then
+                // we can push its remainder.
+                if buffer_edits_iter
+                    .peek()
+                    .map_or(true, |edit| edit.old.start >= cursor.end(&()).0)
+                {
+                    let transform_start = new_transforms.summary().input.len;
+                    let transform_end =
+                        buffer_edit.new.end + (cursor.end(&()).0 - buffer_edit.old.end);
+                    push_isomorphic(
+                        &mut new_transforms,
+                        buffer_snapshot.text_summary_for_range(transform_start..transform_end),
+                    );
                     cursor.next(&());
                 }
             }
 
-            // Remove all the inlays and transforms contained by the edit.
-            let old_start =
-                cursor.start().1 + InlayOffset((diff_edit.old.start - cursor.start().0).0);
-            cursor.seek(&diff_edit.old.end, Bias::Right, &());
-            let old_end = cursor.start().1 + InlayOffset((diff_edit.old.end - cursor.start().0).0);
-
-            // Push the unchanged prefix.
-            let prefix_start = DiffOffset(new_transforms.summary().input.len);
-            let prefix_end = diff_edit.new.start;
-            push_isomorphic(
-                &mut new_transforms,
-                diff_map_snapshot.text_summary_for_range(prefix_start..prefix_end),
-            );
-            let new_start = InlayOffset(new_transforms.summary().output.len);
-
-            let edit_buffer_range = diff_map_snapshot.to_multibuffer_offset(diff_edit.new.start)
-                ..diff_map_snapshot.to_multibuffer_offset(diff_edit.new.end);
-
-            let start_ix = match self.inlays.binary_search_by(|probe| {
-                probe
-                    .position
-                    .to_offset(diff_map_snapshot.buffer())
-                    .cmp(&edit_buffer_range.start)
-                    .then(std::cmp::Ordering::Greater)
-            }) {
-                Ok(ix) | Err(ix) => ix,
-            };
-
-            for inlay in &self.inlays[start_ix..] {
-                let buffer_offset = inlay.position.to_offset(&diff_map_snapshot.buffer);
-                let diff_offset = diff_map_snapshot.to_diff_offset(buffer_offset);
-                if buffer_offset > edit_buffer_range.end {
-                    break;
-                }
-
-                let prefix_start = DiffOffset(new_transforms.summary().input.len);
-                let prefix_end = diff_offset;
-                push_isomorphic(
-                    &mut new_transforms,
-                    diff_map_snapshot.text_summary_for_range(prefix_start..prefix_end),
-                );
-
-                if inlay.position.is_valid(&diff_map_snapshot.buffer) {
-                    new_transforms.push(Transform::Inlay(inlay.clone()), &());
-                }
+            new_transforms.append(cursor.suffix(&()), &());
+            if new_transforms.is_empty() {
+                new_transforms.push(Transform::Isomorphic(Default::default()), &());
             }
 
-            // Apply the rest of the edit.
-            let transform_start = DiffOffset(new_transforms.summary().input.len);
-            push_isomorphic(
-                &mut new_transforms,
-                diff_map_snapshot.text_summary_for_range(transform_start..diff_edit.new.end),
-            );
-            let new_end = InlayOffset(new_transforms.summary().output.len);
-            inlay_edits.push(Edit {
-                old: old_start..old_end,
-                new: new_start..new_end,
-            });
+            drop(cursor);
+            snapshot.transforms = new_transforms;
+            snapshot.version += 1;
+            snapshot.buffer = buffer_snapshot;
+            snapshot.check_invariants();
 
-            // If the next edit doesn't intersect the current isomorphic transform, then
-            // we can push its remainder.
-            if diff_edits_iter
-                .peek()
-                .map_or(true, |edit| edit.old.start >= cursor.end(&()).0)
-            {
-                let transform_start = DiffOffset(new_transforms.summary().input.len);
-                let transform_end = diff_edit.new.end + (cursor.end(&()).0 - diff_edit.old.end);
-                push_isomorphic(
-                    &mut new_transforms,
-                    diff_map_snapshot.text_summary_for_range(transform_start..transform_end),
-                );
-                cursor.next(&());
-            }
+            (snapshot.clone(), inlay_edits.into_inner())
         }
-
-        new_transforms.append(cursor.suffix(&()), &());
-        if new_transforms.is_empty() {
-            new_transforms.push(Transform::Isomorphic(Default::default()), &());
-        }
-
-        drop(cursor);
-        snapshot.transforms = new_transforms;
-        snapshot.version += 1;
-        snapshot.diff_map_snapshot = diff_map_snapshot;
-        snapshot.check_invariants();
-
-        (snapshot.clone(), inlay_edits.into_inner())
     }
 
     pub fn splice(
@@ -546,9 +552,7 @@ impl InlayMap {
         self.inlays.retain(|inlay| {
             let retain = !to_remove.contains(&inlay.id);
             if !retain {
-                let offset = snapshot
-                    .diff_map_snapshot
-                    .to_diff_offset(inlay.position.to_offset(&snapshot.diff_map_snapshot.buffer));
+                let offset = inlay.position.to_offset(&snapshot.buffer);
                 edits.insert(offset);
             }
             retain
@@ -560,16 +564,11 @@ impl InlayMap {
                 continue;
             }
 
-            let offset = snapshot.diff_map_snapshot.to_diff_offset(
-                inlay_to_insert
-                    .position
-                    .to_offset(&snapshot.diff_map_snapshot.buffer),
-            );
+            let offset = inlay_to_insert.position.to_offset(&snapshot.buffer);
             match self.inlays.binary_search_by(|probe| {
-                probe.position.cmp(
-                    &inlay_to_insert.position,
-                    &snapshot.diff_map_snapshot.buffer,
-                )
+                probe
+                    .position
+                    .cmp(&inlay_to_insert.position, &snapshot.buffer)
             }) {
                 Ok(ix) | Err(ix) => {
                     self.inlays.insert(ix, inlay_to_insert);
@@ -586,7 +585,7 @@ impl InlayMap {
                 new: offset..offset,
             })
             .collect();
-        let buffer_snapshot = snapshot.diff_map_snapshot.clone();
+        let buffer_snapshot = snapshot.buffer.clone();
         let (snapshot, edits) = self.sync(buffer_snapshot, buffer_edits);
         (snapshot, edits)
     }
@@ -609,8 +608,7 @@ impl InlayMap {
         let snapshot = &mut self.snapshot;
         for i in 0..rng.gen_range(1..=5) {
             if self.inlays.is_empty() || rng.gen() {
-                let position = snapshot.buffer().random_byte_range(0, rng).start;
-                let anchor = snapshot.buffer().anchor_at(position, Bias::Left);
+                let position = snapshot.buffer.random_byte_range(0, rng).start;
                 let bias = if rng.gen() { Bias::Left } else { Bias::Right };
                 let len = if rng.gen_bool(0.01) {
                     0
@@ -628,7 +626,7 @@ impl InlayMap {
                     InlayId::InlineCompletion(post_inc(next_inlay_id))
                 };
                 log::info!(
-                    "creating inlay {:?} at buffer offset {:?} with bias {:?} and text {:?}",
+                    "creating inlay {:?} at buffer offset {} with bias {:?} and text {:?}",
                     inlay_id,
                     position,
                     bias,
@@ -637,7 +635,7 @@ impl InlayMap {
 
                 to_insert.push(Inlay {
                     id: inlay_id,
-                    position: anchor,
+                    position: snapshot.buffer.anchor_at(position, bias),
                     text: text.into(),
                 });
             } else {
@@ -661,16 +659,16 @@ impl InlaySnapshot {
     pub fn to_point(&self, offset: InlayOffset) -> InlayPoint {
         let mut cursor = self
             .transforms
-            .cursor::<(InlayOffset, (InlayPoint, DiffOffset))>(&());
+            .cursor::<(InlayOffset, (InlayPoint, usize))>(&());
         cursor.seek(&offset, Bias::Right, &());
         let overshoot = offset.0 - cursor.start().0 .0;
         match cursor.item() {
             Some(Transform::Isomorphic(_)) => {
                 let buffer_offset_start = cursor.start().1 .1;
-                let buffer_offset_end = buffer_offset_start + DiffOffset(overshoot);
-                let buffer_start = self.diff_map_snapshot.offset_to_point(buffer_offset_start);
-                let buffer_end = self.diff_map_snapshot.offset_to_point(buffer_offset_end);
-                cursor.start().1 .0 + InlayPoint(buffer_end.0 - buffer_start.0)
+                let buffer_offset_end = buffer_offset_start + overshoot;
+                let buffer_start = self.buffer.offset_to_point(buffer_offset_start);
+                let buffer_end = self.buffer.offset_to_point(buffer_offset_end);
+                InlayPoint(cursor.start().1 .0 .0 + (buffer_end - buffer_start))
             }
             Some(Transform::Inlay(inlay)) => {
                 let overshoot = inlay.text.offset_to_point(overshoot);
@@ -691,68 +689,51 @@ impl InlaySnapshot {
     pub fn to_offset(&self, point: InlayPoint) -> InlayOffset {
         let mut cursor = self
             .transforms
-            .cursor::<(InlayPoint, (InlayOffset, DiffPoint))>(&());
+            .cursor::<(InlayPoint, (InlayOffset, Point))>(&());
         cursor.seek(&point, Bias::Right, &());
         let overshoot = point.0 - cursor.start().0 .0;
         match cursor.item() {
             Some(Transform::Isomorphic(_)) => {
                 let buffer_point_start = cursor.start().1 .1;
-                let buffer_point_end = buffer_point_start + DiffPoint(overshoot);
-                let buffer_offset_start =
-                    self.diff_map_snapshot.point_to_offset(buffer_point_start);
-                let buffer_offset_end = self.diff_map_snapshot.point_to_offset(buffer_point_end);
-                cursor.start().1 .0 + InlayOffset((buffer_offset_end - buffer_offset_start).0)
+                let buffer_point_end = buffer_point_start + overshoot;
+                let buffer_offset_start = self.buffer.point_to_offset(buffer_point_start);
+                let buffer_offset_end = self.buffer.point_to_offset(buffer_point_end);
+                InlayOffset(cursor.start().1 .0 .0 + (buffer_offset_end - buffer_offset_start))
             }
             Some(Transform::Inlay(inlay)) => {
                 let overshoot = inlay.text.point_to_offset(overshoot);
-                cursor.start().1 .0 + InlayOffset(overshoot)
+                InlayOffset(cursor.start().1 .0 .0 + overshoot)
             }
             None => self.len(),
         }
     }
-
-    pub fn to_diff_point(&self, point: InlayPoint) -> DiffPoint {
-        let mut cursor = self.transforms.cursor::<(InlayPoint, DiffPoint)>(&());
+    pub fn to_buffer_point(&self, point: InlayPoint) -> Point {
+        let mut cursor = self.transforms.cursor::<(InlayPoint, Point)>(&());
         cursor.seek(&point, Bias::Right, &());
         match cursor.item() {
             Some(Transform::Isomorphic(_)) => {
                 let overshoot = point.0 - cursor.start().0 .0;
-                cursor.start().1 + DiffPoint(overshoot)
+                cursor.start().1 + overshoot
             }
             Some(Transform::Inlay(_)) => cursor.start().1,
-            None => self.diff_map_snapshot.max_point(),
+            None => self.buffer.max_point(),
         }
     }
-
-    pub fn to_diff_offset(&self, offset: InlayOffset) -> DiffOffset {
-        let mut cursor = self.transforms.cursor::<(InlayOffset, DiffOffset)>(&());
+    pub fn to_buffer_offset(&self, offset: InlayOffset) -> usize {
+        let mut cursor = self.transforms.cursor::<(InlayOffset, usize)>(&());
         cursor.seek(&offset, Bias::Right, &());
         match cursor.item() {
             Some(Transform::Isomorphic(_)) => {
                 let overshoot = offset - cursor.start().0;
-                cursor.start().1 + DiffOffset(overshoot.0)
+                cursor.start().1 + overshoot.0
             }
             Some(Transform::Inlay(_)) => cursor.start().1,
-            None => self.diff_map_snapshot.len(),
+            None => self.buffer.len(),
         }
     }
 
-    pub fn buffer(&self) -> &MultiBufferSnapshot {
-        &self.diff_map_snapshot.buffer
-    }
-
-    pub fn to_buffer_point(&self, point: InlayPoint) -> Point {
-        self.diff_map_snapshot
-            .to_multibuffer_point(self.to_diff_point(point))
-    }
-
-    pub fn to_buffer_offset(&self, offset: InlayOffset) -> usize {
-        self.diff_map_snapshot
-            .to_multibuffer_offset(self.to_diff_offset(offset))
-    }
-
-    pub fn to_inlay_offset(&self, offset: DiffOffset) -> InlayOffset {
-        let mut cursor = self.transforms.cursor::<(DiffOffset, InlayOffset)>(&());
+    pub fn to_inlay_offset(&self, offset: usize) -> InlayOffset {
+        let mut cursor = self.transforms.cursor::<(usize, InlayOffset)>(&());
         cursor.seek(&offset, Bias::Left, &());
         loop {
             match cursor.item() {
@@ -767,7 +748,7 @@ impl InlaySnapshot {
                         }
                         return cursor.end(&()).1;
                     } else {
-                        let overshoot = offset.0 - cursor.start().0 .0;
+                        let overshoot = offset - cursor.start().0;
                         return InlayOffset(cursor.start().1 .0 + overshoot);
                     }
                 }
@@ -784,17 +765,8 @@ impl InlaySnapshot {
             }
         }
     }
-
-    pub fn make_inlay_point(&self, multibuffer_point: Point) -> InlayPoint {
-        self.to_inlay_point(self.diff_map_snapshot.to_diff_point(multibuffer_point))
-    }
-
-    pub fn make_inlay_offset(&self, multibuffer_point: usize) -> InlayOffset {
-        self.to_inlay_offset(self.diff_map_snapshot.to_diff_offset(multibuffer_point))
-    }
-
-    pub fn to_inlay_point(&self, point: DiffPoint) -> InlayPoint {
-        let mut cursor = self.transforms.cursor::<(DiffPoint, InlayPoint)>(&());
+    pub fn to_inlay_point(&self, point: Point) -> InlayPoint {
+        let mut cursor = self.transforms.cursor::<(Point, InlayPoint)>(&());
         cursor.seek(&point, Bias::Left, &());
         loop {
             match cursor.item() {
@@ -810,7 +782,7 @@ impl InlaySnapshot {
                         return cursor.end(&()).1;
                     } else {
                         let overshoot = point - cursor.start().0;
-                        return InlayPoint(cursor.start().1 .0 + overshoot.0);
+                        return InlayPoint(cursor.start().1 .0 + overshoot);
                     }
                 }
                 Some(Transform::Inlay(inlay)) => {
@@ -828,7 +800,7 @@ impl InlaySnapshot {
     }
 
     pub fn clip_point(&self, mut point: InlayPoint, mut bias: Bias) -> InlayPoint {
-        let mut cursor = self.transforms.cursor::<(InlayPoint, DiffPoint)>(&());
+        let mut cursor = self.transforms.cursor::<(InlayPoint, Point)>(&());
         cursor.seek(&point, Bias::Left, &());
         loop {
             match cursor.item() {
@@ -864,11 +836,10 @@ impl InlaySnapshot {
                         }
                     } else {
                         let overshoot = point.0 - cursor.start().0 .0;
-                        let diff_point = cursor.start().1 + DiffPoint(overshoot);
-                        let clipped_diff_point =
-                            self.diff_map_snapshot.clip_point(diff_point, bias);
-                        let clipped_overshoot = clipped_diff_point - cursor.start().1;
-                        let clipped_point = cursor.start().0 + InlayPoint(clipped_overshoot.0);
+                        let buffer_point = cursor.start().1 + overshoot;
+                        let clipped_buffer_point = self.buffer.clip_point(buffer_point, bias);
+                        let clipped_overshoot = clipped_buffer_point - cursor.start().1;
+                        let clipped_point = InlayPoint(cursor.start().0 .0 + clipped_overshoot);
                         if clipped_point == point {
                             return clipped_point;
                         } else {
@@ -926,19 +897,17 @@ impl InlaySnapshot {
     pub fn text_summary_for_range(&self, range: Range<InlayOffset>) -> TextSummary {
         let mut summary = TextSummary::default();
 
-        let mut cursor = self.transforms.cursor::<(InlayOffset, DiffOffset)>(&());
+        let mut cursor = self.transforms.cursor::<(InlayOffset, usize)>(&());
         cursor.seek(&range.start, Bias::Right, &());
 
         let overshoot = range.start.0 - cursor.start().0 .0;
         match cursor.item() {
             Some(Transform::Isomorphic(_)) => {
                 let buffer_start = cursor.start().1;
-                let suffix_start = buffer_start + DiffOffset(overshoot);
-                let suffix_end = buffer_start
-                    + DiffOffset(cmp::min(cursor.end(&()).0, range.end).0 - cursor.start().0 .0);
-                summary = self
-                    .diff_map_snapshot
-                    .text_summary_for_range(suffix_start..suffix_end);
+                let suffix_start = buffer_start + overshoot;
+                let suffix_end =
+                    buffer_start + (cmp::min(cursor.end(&()).0, range.end).0 - cursor.start().0 .0);
+                summary = self.buffer.text_summary_for_range(suffix_start..suffix_end);
                 cursor.next(&());
             }
             Some(Transform::Inlay(inlay)) => {
@@ -959,10 +928,10 @@ impl InlaySnapshot {
             match cursor.item() {
                 Some(Transform::Isomorphic(_)) => {
                     let prefix_start = cursor.start().1;
-                    let prefix_end = prefix_start + DiffOffset(overshoot);
+                    let prefix_end = prefix_start + overshoot;
                     summary += self
-                        .diff_map_snapshot
-                        .text_summary_for_range(prefix_start..prefix_end);
+                        .buffer
+                        .text_summary_for_range::<TextSummary, _>(prefix_start..prefix_end);
                 }
                 Some(Transform::Inlay(inlay)) => {
                     let prefix_end = overshoot;
@@ -975,30 +944,30 @@ impl InlaySnapshot {
         summary
     }
 
-    pub fn row_infos(&self, row: u32) -> InlayBufferRows<'_> {
-        let mut cursor = self.transforms.cursor::<(InlayPoint, DiffPoint)>(&());
+    pub fn buffer_rows(&self, row: u32) -> InlayBufferRows<'_> {
+        let mut cursor = self.transforms.cursor::<(InlayPoint, Point)>(&());
         let inlay_point = InlayPoint::new(row, 0);
         cursor.seek(&inlay_point, Bias::Left, &());
 
-        let max_point = self.diff_map_snapshot.max_point();
-        let mut diff_point = cursor.start().1;
-        let diff_row = if row == 0 {
-            0
+        let max_buffer_row = self.buffer.max_row();
+        let mut buffer_point = cursor.start().1;
+        let buffer_row = if row == 0 {
+            MultiBufferRow(0)
         } else {
             match cursor.item() {
                 Some(Transform::Isomorphic(_)) => {
-                    diff_point += DiffPoint(inlay_point.0 - cursor.start().0 .0);
-                    diff_point.row()
+                    buffer_point += inlay_point.0 - cursor.start().0 .0;
+                    MultiBufferRow(buffer_point.row)
                 }
-                _ => cmp::min(diff_point.row() + 1, max_point.row()),
+                _ => cmp::min(MultiBufferRow(buffer_point.row + 1), max_buffer_row),
             }
         };
 
         InlayBufferRows {
             transforms: cursor,
             inlay_row: inlay_point.row(),
-            diff_rows: self.diff_map_snapshot.row_infos(diff_row),
-            max_point,
+            buffer_rows: self.buffer.buffer_rows(buffer_row),
+            max_buffer_row,
         }
     }
 
@@ -1018,17 +987,20 @@ impl InlaySnapshot {
         language_aware: bool,
         highlights: Highlights<'a>,
     ) -> InlayChunks<'a> {
-        let mut cursor = self.transforms.cursor::<(InlayOffset, DiffOffset)>(&());
+        let mut cursor = self.transforms.cursor::<(InlayOffset, usize)>(&());
         cursor.seek(&range.start, Bias::Right, &());
 
-        let diff_range = self.to_diff_offset(range.start)..self.to_diff_offset(range.end);
-        let diff_map_chunks =
-            self.diff_map_snapshot
-                .chunks(diff_range, language_aware, highlights.text_highlights);
+        let buffer_range = self.to_buffer_offset(range.start)..self.to_buffer_offset(range.end);
+        let buffer_chunks = CustomHighlightsChunks::new(
+            buffer_range,
+            language_aware,
+            highlights.text_highlights,
+            &self.buffer,
+        );
 
         InlayChunks {
             transforms: cursor,
-            diff_map_chunks,
+            buffer_chunks,
             inlay_chunks: None,
             inlay_chunk: None,
             buffer_chunk: None,
@@ -1050,10 +1022,7 @@ impl InlaySnapshot {
     fn check_invariants(&self) {
         #[cfg(any(debug_assertions, feature = "test-support"))]
         {
-            assert_eq!(
-                self.transforms.summary().input,
-                self.diff_map_snapshot.text_summary()
-            );
+            assert_eq!(self.transforms.summary().input, self.buffer.text_summary());
             let mut transforms = self.transforms.iter().peekable();
             while let Some(transform) = transforms.next() {
                 let transform_is_isomorphic = matches!(transform, Transform::Isomorphic(_));
@@ -1094,7 +1063,7 @@ fn push_isomorphic(sum_tree: &mut SumTree<Transform>, summary: TextSummary) {
 mod tests {
     use super::*;
     use crate::{
-        display_map::{DiffMap, InlayHighlights, TextHighlights},
+        display_map::{InlayHighlights, TextHighlights},
         hover_links::InlayHighlight,
         InlayId, MultiBuffer,
     };
@@ -1194,8 +1163,7 @@ mod tests {
     fn test_basic_inlays(cx: &mut AppContext) {
         let buffer = MultiBuffer::build_simple("abcdefghi", cx);
         let buffer_edits = buffer.update(cx, |buffer, _| buffer.subscribe());
-        let (diff_map, diff_map_snapshot) = DiffMap::new(buffer.clone(), cx);
-        let (mut inlay_map, inlay_snapshot) = InlayMap::new(diff_map_snapshot.clone());
+        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer.read(cx).snapshot(cx));
         assert_eq!(inlay_snapshot.text(), "abcdefghi");
         let mut next_inlay_id = 0;
 
@@ -1209,27 +1177,27 @@ mod tests {
         );
         assert_eq!(inlay_snapshot.text(), "abc|123|defghi");
         assert_eq!(
-            inlay_snapshot.make_inlay_point(Point::new(0, 0)),
+            inlay_snapshot.to_inlay_point(Point::new(0, 0)),
             InlayPoint::new(0, 0)
         );
         assert_eq!(
-            inlay_snapshot.make_inlay_point(Point::new(0, 1)),
+            inlay_snapshot.to_inlay_point(Point::new(0, 1)),
             InlayPoint::new(0, 1)
         );
         assert_eq!(
-            inlay_snapshot.make_inlay_point(Point::new(0, 2)),
+            inlay_snapshot.to_inlay_point(Point::new(0, 2)),
             InlayPoint::new(0, 2)
         );
         assert_eq!(
-            inlay_snapshot.make_inlay_point(Point::new(0, 3)),
+            inlay_snapshot.to_inlay_point(Point::new(0, 3)),
             InlayPoint::new(0, 3)
         );
         assert_eq!(
-            inlay_snapshot.make_inlay_point(Point::new(0, 4)),
+            inlay_snapshot.to_inlay_point(Point::new(0, 4)),
             InlayPoint::new(0, 9)
         );
         assert_eq!(
-            inlay_snapshot.make_inlay_point(Point::new(0, 5)),
+            inlay_snapshot.to_inlay_point(Point::new(0, 5)),
             InlayPoint::new(0, 10)
         );
         assert_eq!(
@@ -1261,26 +1229,18 @@ mod tests {
         buffer.update(cx, |buffer, cx| {
             buffer.edit([(2..3, "x"), (3..3, "y"), (4..4, "z")], None, cx)
         });
-        let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-            diff_map.sync(
-                buffer.read(cx).snapshot(cx),
-                buffer_edits.consume().into_inner(),
-                cx,
-            )
-        });
-        let (inlay_snapshot, _) = inlay_map.sync(diff_snapshot, diff_edits);
+        let (inlay_snapshot, _) = inlay_map.sync(
+            buffer.read(cx).snapshot(cx),
+            buffer_edits.consume().into_inner(),
+        );
         assert_eq!(inlay_snapshot.text(), "abxy|123|dzefghi");
 
         // An edit surrounding the inlay should invalidate it.
         buffer.update(cx, |buffer, cx| buffer.edit([(4..5, "D")], None, cx));
-        let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-            diff_map.sync(
-                buffer.read(cx).snapshot(cx),
-                buffer_edits.consume().into_inner(),
-                cx,
-            )
-        });
-        let (inlay_snapshot, _) = inlay_map.sync(diff_snapshot, diff_edits);
+        let (inlay_snapshot, _) = inlay_map.sync(
+            buffer.read(cx).snapshot(cx),
+            buffer_edits.consume().into_inner(),
+        );
         assert_eq!(inlay_snapshot.text(), "abxyDzefghi");
 
         let (inlay_snapshot, _) = inlay_map.splice(
@@ -1302,16 +1262,10 @@ mod tests {
 
         // Edits ending where the inlay starts should not move it if it has a left bias.
         buffer.update(cx, |buffer, cx| buffer.edit([(3..3, "JKL")], None, cx));
-
-        let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-            diff_map.sync(
-                buffer.read(cx).snapshot(cx),
-                buffer_edits.consume().into_inner(),
-                cx,
-            )
-        });
-
-        let (inlay_snapshot, _) = inlay_map.sync(diff_snapshot, diff_edits);
+        let (inlay_snapshot, _) = inlay_map.sync(
+            buffer.read(cx).snapshot(cx),
+            buffer_edits.consume().into_inner(),
+        );
         assert_eq!(inlay_snapshot.text(), "abx|123|JKL|456|yDzefghi");
 
         assert_eq!(
@@ -1496,8 +1450,7 @@ mod tests {
     #[gpui::test]
     fn test_inlay_buffer_rows(cx: &mut AppContext) {
         let buffer = MultiBuffer::build_simple("abc\ndef\nghi", cx);
-        let (_diff_map, diff_map_snapshot) = DiffMap::new(buffer.clone(), cx);
-        let (mut inlay_map, inlay_snapshot) = InlayMap::new(diff_map_snapshot);
+        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer.read(cx).snapshot(cx));
         assert_eq!(inlay_snapshot.text(), "abc\ndef\nghi");
         let mut next_inlay_id = 0;
 
@@ -1523,10 +1476,7 @@ mod tests {
         );
         assert_eq!(inlay_snapshot.text(), "|123|\nabc\n|456|def\n|567|\n\nghi");
         assert_eq!(
-            inlay_snapshot
-                .row_infos(0)
-                .map(|r| r.buffer_row)
-                .collect::<Vec<_>>(),
+            inlay_snapshot.buffer_rows(0).collect::<Vec<_>>(),
             vec![Some(0), None, Some(1), None, None, Some(2)]
         );
     }
@@ -1551,8 +1501,7 @@ mod tests {
         let mut buffer_snapshot = buffer.read(cx).snapshot(cx);
         let mut next_inlay_id = 0;
         log::info!("buffer text: {:?}", buffer_snapshot.text());
-        let (diff_map, diff_map_snapshot) = DiffMap::new(buffer.clone(), cx);
-        let (mut inlay_map, mut inlay_snapshot) = InlayMap::new(diff_map_snapshot.clone());
+        let (mut inlay_map, mut inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         for _ in 0..operations {
             let mut inlay_edits = Patch::default();
 
@@ -1575,12 +1524,8 @@ mod tests {
                 }),
             };
 
-            let (new_diff_snapshot, new_diff_edits) = diff_map.update(cx, |diff_map, cx| {
-                diff_map.sync(buffer.read(cx).snapshot(cx), buffer_edits, cx)
-            });
-
             let (new_inlay_snapshot, new_inlay_edits) =
-                inlay_map.sync(new_diff_snapshot, new_diff_edits);
+                inlay_map.sync(buffer_snapshot.clone(), buffer_edits);
             inlay_snapshot = new_inlay_snapshot;
             inlay_edits = inlay_edits.compose(new_inlay_edits);
 
@@ -1602,7 +1547,7 @@ mod tests {
             }
             assert_eq!(inlay_snapshot.text(), expected_text.to_string());
 
-            let expected_buffer_rows = inlay_snapshot.row_infos(0).collect::<Vec<_>>();
+            let expected_buffer_rows = inlay_snapshot.buffer_rows(0).collect::<Vec<_>>();
             assert_eq!(
                 expected_buffer_rows.len() as u32,
                 expected_text.max_point().row + 1
@@ -1610,7 +1555,7 @@ mod tests {
             for row_start in 0..expected_buffer_rows.len() {
                 assert_eq!(
                     inlay_snapshot
-                        .row_infos(row_start as u32)
+                        .buffer_rows(row_start as u32)
                         .collect::<Vec<_>>(),
                     &expected_buffer_rows[row_start..],
                     "incorrect buffer rows starting at {}",
@@ -1728,14 +1673,14 @@ mod tests {
             assert_eq!(expected_text.len(), inlay_snapshot.len().0);
 
             let mut buffer_point = Point::default();
-            let mut inlay_point = inlay_snapshot.make_inlay_point(buffer_point);
+            let mut inlay_point = inlay_snapshot.to_inlay_point(buffer_point);
             let mut buffer_chars = buffer_snapshot.chars_at(0);
             loop {
                 // Ensure conversion from buffer coordinates to inlay coordinates
                 // is consistent.
                 let buffer_offset = buffer_snapshot.point_to_offset(buffer_point);
                 assert_eq!(
-                    inlay_snapshot.to_point(inlay_snapshot.make_inlay_offset(buffer_offset)),
+                    inlay_snapshot.to_point(inlay_snapshot.to_inlay_offset(buffer_offset)),
                     inlay_point
                 );
 
@@ -1762,7 +1707,7 @@ mod tests {
                     }
 
                     // Ensure that moving forward in the buffer always moves the inlay point forward as well.
-                    let new_inlay_point = inlay_snapshot.make_inlay_point(buffer_point);
+                    let new_inlay_point = inlay_snapshot.to_inlay_point(buffer_point);
                     assert!(new_inlay_point > inlay_point);
                     inlay_point = new_inlay_point;
                 } else {
@@ -1822,7 +1767,7 @@ mod tests {
                     // Ensure the clipped points are at valid buffer locations.
                     assert_eq!(
                         inlay_snapshot
-                            .to_inlay_point(inlay_snapshot.to_diff_point(clipped_left_point)),
+                            .to_inlay_point(inlay_snapshot.to_buffer_point(clipped_left_point)),
                         clipped_left_point,
                         "to_buffer_point({:?}) = {:?}",
                         clipped_left_point,
@@ -1830,7 +1775,7 @@ mod tests {
                     );
                     assert_eq!(
                         inlay_snapshot
-                            .to_inlay_point(inlay_snapshot.to_diff_point(clipped_right_point)),
+                            .to_inlay_point(inlay_snapshot.to_buffer_point(clipped_right_point)),
                         clipped_right_point,
                         "to_buffer_point({:?}) = {:?}",
                         clipped_right_point,

crates/editor/src/display_map/tab_map.rs

@@ -164,7 +164,7 @@ pub struct TabSnapshot {
 
 impl TabSnapshot {
     pub fn buffer_snapshot(&self) -> &MultiBufferSnapshot {
-        self.fold_snapshot.inlay_snapshot.buffer()
+        &self.fold_snapshot.inlay_snapshot.buffer
     }
 
     pub fn line_len(&self, row: u32) -> u32 {
@@ -272,8 +272,8 @@ impl TabSnapshot {
         }
     }
 
-    pub fn rows(&self, row: u32) -> fold_map::FoldRows<'_> {
-        self.fold_snapshot.row_infos(row)
+    pub fn buffer_rows(&self, row: u32) -> fold_map::FoldBufferRows<'_> {
+        self.fold_snapshot.buffer_rows(row)
     }
 
     #[cfg(test)]
@@ -317,7 +317,8 @@ impl TabSnapshot {
     }
 
     pub fn make_tab_point(&self, point: Point, bias: Bias) -> TabPoint {
-        let fold_point = self.fold_snapshot.make_fold_point(point, bias);
+        let inlay_point = self.fold_snapshot.inlay_snapshot.to_inlay_point(point);
+        let fold_point = self.fold_snapshot.to_fold_point(inlay_point, bias);
         self.to_tab_point(fold_point)
     }
 
@@ -601,7 +602,7 @@ impl<'a> Iterator for TabChunks<'a> {
 mod tests {
     use super::*;
     use crate::{
-        display_map::{diff_map::DiffMap, fold_map::FoldMap, inlay_map::InlayMap},
+        display_map::{fold_map::FoldMap, inlay_map::InlayMap},
         MultiBuffer,
     };
     use rand::{prelude::StdRng, Rng};
@@ -609,8 +610,8 @@ mod tests {
     #[gpui::test]
     fn test_expand_tabs(cx: &mut gpui::AppContext) {
         let buffer = MultiBuffer::build_simple("", cx);
-        let (_, diff_snapshot) = DiffMap::new(buffer, cx);
-        let (_, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
+        let buffer_snapshot = buffer.read(cx).snapshot(cx);
+        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let (_, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (_, tab_snapshot) = TabMap::new(fold_snapshot, 4.try_into().unwrap());
 
@@ -626,8 +627,8 @@ mod tests {
         let output = "A   BC  DEF G   HI J K L M";
 
         let buffer = MultiBuffer::build_simple(input, cx);
-        let (_, diff_snapshot) = DiffMap::new(buffer, cx);
-        let (_, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
+        let buffer_snapshot = buffer.read(cx).snapshot(cx);
+        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let (_, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (_, mut tab_snapshot) = TabMap::new(fold_snapshot, 4.try_into().unwrap());
 
@@ -673,8 +674,8 @@ mod tests {
         let input = "abcdefg⋯hij";
 
         let buffer = MultiBuffer::build_simple(input, cx);
-        let (_, diff_snapshot) = DiffMap::new(buffer.clone(), cx);
-        let (_, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
+        let buffer_snapshot = buffer.read(cx).snapshot(cx);
+        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let (_, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (_, mut tab_snapshot) = TabMap::new(fold_snapshot, 4.try_into().unwrap());
 
@@ -687,8 +688,8 @@ mod tests {
         let input = "\t \thello";
 
         let buffer = MultiBuffer::build_simple(input, cx);
-        let (_, diff_snapshot) = DiffMap::new(buffer.clone(), cx);
-        let (_, inlay_snapshot) = InlayMap::new(diff_snapshot);
+        let buffer_snapshot = buffer.read(cx).snapshot(cx);
+        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let (_, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (_, tab_snapshot) = TabMap::new(fold_snapshot, 4.try_into().unwrap());
 
@@ -748,11 +749,8 @@ mod tests {
         let buffer_snapshot = buffer.read(cx).snapshot(cx);
         log::info!("Buffer text: {:?}", buffer_snapshot.text());
 
-        let (_, diff_snapshot) = DiffMap::new(buffer.clone(), cx);
-
-        let (mut inlay_map, inlay_snapshot) = InlayMap::new(diff_snapshot.clone());
-
-        log::info!("DiffMap text: {:?}", diff_snapshot.text());
+        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
+        log::info!("InlayMap text: {:?}", inlay_snapshot.text());
         let (mut fold_map, _) = FoldMap::new(inlay_snapshot.clone());
         fold_map.randomly_mutate(&mut rng);
         let (fold_snapshot, _) = fold_map.read(inlay_snapshot, vec![]);

crates/editor/src/display_map/wrap_map.rs

@@ -1,7 +1,5 @@
-use crate::RowInfo;
-
 use super::{
-    fold_map::FoldRows,
+    fold_map::FoldBufferRows,
     tab_map::{self, TabEdit, TabPoint, TabSnapshot},
     Highlights,
 };
@@ -62,16 +60,16 @@ pub struct WrapChunks<'a> {
 }
 
 #[derive(Clone)]
-pub struct WrapRows<'a> {
-    input_buffer_rows: FoldRows<'a>,
-    input_buffer_row: RowInfo,
+pub struct WrapBufferRows<'a> {
+    input_buffer_rows: FoldBufferRows<'a>,
+    input_buffer_row: Option<u32>,
     output_row: u32,
     soft_wrapped: bool,
     max_output_row: u32,
     transforms: Cursor<'a, Transform, (WrapPoint, TabPoint)>,
 }
 
-impl<'a> WrapRows<'a> {
+impl<'a> WrapBufferRows<'a> {
     pub(crate) fn seek(&mut self, start_row: u32) {
         self.transforms
             .seek(&WrapPoint::new(start_row, 0), Bias::Left, &());
@@ -719,7 +717,7 @@ impl WrapSnapshot {
         self.transforms.summary().output.longest_row
     }
 
-    pub fn row_infos(&self, start_row: u32) -> WrapRows {
+    pub fn buffer_rows(&self, start_row: u32) -> WrapBufferRows {
         let mut transforms = self.transforms.cursor::<(WrapPoint, TabPoint)>(&());
         transforms.seek(&WrapPoint::new(start_row, 0), Bias::Left, &());
         let mut input_row = transforms.start().1.row();
@@ -727,9 +725,9 @@ impl WrapSnapshot {
             input_row += start_row - transforms.start().0.row();
         }
         let soft_wrapped = transforms.item().map_or(false, |t| !t.is_isomorphic());
-        let mut input_buffer_rows = self.tab_snapshot.rows(input_row);
+        let mut input_buffer_rows = self.tab_snapshot.buffer_rows(input_row);
         let input_buffer_row = input_buffer_rows.next().unwrap();
-        WrapRows {
+        WrapBufferRows {
             transforms,
             input_buffer_row,
             input_buffer_rows,
@@ -849,7 +847,7 @@ impl WrapSnapshot {
             }
 
             let text = language::Rope::from(self.text().as_str());
-            let mut input_buffer_rows = self.tab_snapshot.rows(0);
+            let mut input_buffer_rows = self.tab_snapshot.buffer_rows(0);
             let mut expected_buffer_rows = Vec::new();
             let mut prev_tab_row = 0;
             for display_row in 0..=self.max_point().row() {
@@ -857,7 +855,7 @@ impl WrapSnapshot {
                 if tab_point.row() == prev_tab_row && display_row != 0 {
                     expected_buffer_rows.push(None);
                 } else {
-                    expected_buffer_rows.push(input_buffer_rows.next().unwrap().buffer_row);
+                    expected_buffer_rows.push(input_buffer_rows.next().unwrap());
                 }
 
                 prev_tab_row = tab_point.row();
@@ -866,8 +864,7 @@ impl WrapSnapshot {
 
             for start_display_row in 0..expected_buffer_rows.len() {
                 assert_eq!(
-                    self.row_infos(start_display_row as u32)
-                        .map(|row_info| row_info.buffer_row)
+                    self.buffer_rows(start_display_row as u32)
                         .collect::<Vec<_>>(),
                     &expected_buffer_rows[start_display_row..],
                     "invalid buffer_rows({}..)",
@@ -961,8 +958,8 @@ impl<'a> Iterator for WrapChunks<'a> {
     }
 }
 
-impl<'a> Iterator for WrapRows<'a> {
-    type Item = RowInfo;
+impl<'a> Iterator for WrapBufferRows<'a> {
+    type Item = Option<u32>;
 
     fn next(&mut self) -> Option<Self::Item> {
         if self.output_row > self.max_output_row {
@@ -982,11 +979,7 @@ impl<'a> Iterator for WrapRows<'a> {
             self.soft_wrapped = true;
         }
 
-        Some(if soft_wrapped {
-            RowInfo::default()
-        } else {
-            buffer_row
-        })
+        Some(if soft_wrapped { None } else { buffer_row })
     }
 }
 
@@ -1168,7 +1161,7 @@ fn consolidate_wrap_edits(edits: Vec<WrapEdit>) -> Vec<WrapEdit> {
 mod tests {
     use super::*;
     use crate::{
-        display_map::{diff_map::DiffMap, fold_map::FoldMap, inlay_map::InlayMap, tab_map::TabMap},
+        display_map::{fold_map::FoldMap, inlay_map::InlayMap, tab_map::TabMap},
         MultiBuffer,
     };
     use gpui::{font, px, test::observe};
@@ -1216,11 +1209,9 @@ mod tests {
         });
         let mut buffer_snapshot = buffer.read_with(cx, |buffer, cx| buffer.snapshot(cx));
         log::info!("Buffer text: {:?}", buffer_snapshot.text());
-        let (diff_map, diff_snapshot) = cx.update(|cx| DiffMap::new(buffer.clone(), cx));
-        log::info!("DiffMap text: {:?}", diff_snapshot.text());
-        let (mut inlay_map, inlay_snapshot) = InlayMap::new(diff_snapshot);
+        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         log::info!("InlayMap text: {:?}", inlay_snapshot.text());
-        let (mut fold_map, fold_snapshot) = FoldMap::new(inlay_snapshot);
+        let (mut fold_map, fold_snapshot) = FoldMap::new(inlay_snapshot.clone());
         log::info!("FoldMap text: {:?}", fold_snapshot.text());
         let (mut tab_map, _) = TabMap::new(fold_snapshot.clone(), tab_size);
         let tabs_snapshot = tab_map.set_max_expansion_column(32);
@@ -1302,10 +1293,8 @@ mod tests {
             }
 
             log::info!("Buffer text: {:?}", buffer_snapshot.text());
-            let (diff_snapshot, diff_edits) = diff_map.update(cx, |diff_map, cx| {
-                diff_map.sync(buffer_snapshot.clone(), buffer_edits, cx)
-            });
-            let (inlay_snapshot, inlay_edits) = inlay_map.sync(diff_snapshot, diff_edits);
+            let (inlay_snapshot, inlay_edits) =
+                inlay_map.sync(buffer_snapshot.clone(), buffer_edits);
             log::info!("InlayMap text: {:?}", inlay_snapshot.text());
             let (fold_snapshot, fold_edits) = fold_map.read(inlay_snapshot, inlay_edits);
             log::info!("FoldMap text: {:?}", fold_snapshot.text());

crates/editor/src/editor_settings.rs

@@ -35,6 +35,7 @@ pub struct EditorSettings {
     pub auto_signature_help: bool,
     pub show_signature_help_after_edits: bool,
     pub jupyter: Jupyter,
+    pub show_inline_completions_in_menu: bool,
 }
 
 #[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
@@ -104,7 +105,7 @@ pub struct Scrollbar {
     pub git_diff: bool,
     pub selected_symbol: bool,
     pub search_results: bool,
-    pub diagnostics: bool,
+    pub diagnostics: ScrollbarDiagnostics,
     pub cursors: bool,
     pub axes: ScrollbarAxes,
 }
@@ -149,6 +150,73 @@ pub struct ScrollbarAxes {
     pub vertical: bool,
 }
 
+/// Which diagnostic indicators to show in the scrollbar.
+///
+/// Default: all
+#[derive(Copy, Clone, Debug, Serialize, JsonSchema, PartialEq, Eq)]
+#[serde(rename_all = "lowercase")]
+pub enum ScrollbarDiagnostics {
+    /// Show all diagnostic levels: hint, information, warnings, error.
+    All,
+    /// Show only the following diagnostic levels: information, warning, error.
+    Information,
+    /// Show only the following diagnostic levels: warning, error.
+    Warning,
+    /// Show only the following diagnostic level: error.
+    Error,
+    /// Do not show diagnostics.
+    None,
+}
+
+impl<'de> Deserialize<'de> for ScrollbarDiagnostics {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        struct Visitor;
+
+        impl<'de> serde::de::Visitor<'de> for Visitor {
+            type Value = ScrollbarDiagnostics;
+
+            fn expecting(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+                write!(
+                    f,
+                    r#"a boolean or one of "all", "information", "warning", "error", "none""#
+                )
+            }
+
+            fn visit_bool<E>(self, b: bool) -> Result<Self::Value, E>
+            where
+                E: serde::de::Error,
+            {
+                match b {
+                    false => Ok(ScrollbarDiagnostics::None),
+                    true => Ok(ScrollbarDiagnostics::All),
+                }
+            }
+
+            fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>
+            where
+                E: serde::de::Error,
+            {
+                match s {
+                    "all" => Ok(ScrollbarDiagnostics::All),
+                    "information" => Ok(ScrollbarDiagnostics::Information),
+                    "warning" => Ok(ScrollbarDiagnostics::Warning),
+                    "error" => Ok(ScrollbarDiagnostics::Error),
+                    "none" => Ok(ScrollbarDiagnostics::None),
+                    _ => Err(E::unknown_variant(
+                        s,
+                        &["all", "information", "warning", "error", "none"],
+                    )),
+                }
+            }
+        }
+
+        deserializer.deserialize_any(Visitor)
+    }
+}
+
 /// The key to use for adding multiple cursors
 ///
 /// Default: alt
@@ -300,6 +368,12 @@ pub struct EditorSettingsContent {
     /// Default: false
     pub show_signature_help_after_edits: Option<bool>,
 
+    /// Whether to show the inline completions next to the completions provided by a language server.
+    /// Only has an effect if inline completion provider supports it.
+    ///
+    /// Default: true
+    pub show_inline_completions_in_menu: Option<bool>,
+
     /// Jupyter REPL settings.
     pub jupyter: Option<JupyterContent>,
 }
@@ -341,10 +415,10 @@ pub struct ScrollbarContent {
     ///
     /// Default: true
     pub selected_symbol: Option<bool>,
-    /// Whether to show diagnostic indicators in the scrollbar.
+    /// Which diagnostic indicators to show in the scrollbar:
     ///
-    /// Default: true
-    pub diagnostics: Option<bool>,
+    /// Default: all
+    pub diagnostics: Option<ScrollbarDiagnostics>,
     /// Whether to show cursor positions in the scrollbar.
     ///
     /// Default: true