Version 1.8.14: Fix crash in text processing on old OS X.

- Bug fixes and other minor improvements.

.appveyor/install.bat

@@ -28,7 +28,7 @@ GOTO:EOF
     git clone -q --depth 1 --branch master https://github.com/telegramdesktop/dependencies_windows.git %LIB_DIR%
     cd %LIB_DIR%
 
-    git clone --depth 1 --branch 0.5.0 https://github.com/ericniebler/range-v3
+    git clone --depth 1 --branch 0.9.1 https://github.com/ericniebler/range-v3
 
     if exist prepare.bat (
         call prepare.bat

.travis/build.sh

@@ -28,7 +28,7 @@ GYP_CACHE_VERSION="3"
 GYP_PATCH="$UPSTREAM/Telegram/Patches/gyp.diff"
 
 RANGE_PATH="$BUILD/range-v3"
-RANGE_CACHE_VERSION="4"
+RANGE_CACHE_VERSION="3"
 
 VA_PATH="$BUILD/libva"
 VA_CACHE_VERSION="3"
@@ -170,6 +170,7 @@ buildXkbCommon() {
   git clone https://github.com/xkbcommon/libxkbcommon.git
 
   cd "$EXTERNAL/libxkbcommon"
+  git checkout xkbcommon-0.8.4
   ./autogen.sh --prefix=$XKB_PATH
   make $MAKE_ARGS
   sudo make install
@@ -216,7 +217,7 @@ buildRange() {
   rm -rf *
 
   cd "$EXTERNAL"
-  git clone --depth 1 --branch 0.5.0 https://github.com/ericniebler/range-v3
+  git clone --depth 1 --branch 0.9.1 https://github.com/ericniebler/range-v3
 
   cd "$EXTERNAL/range-v3"
   cp -r * "$RANGE_PATH/"

Telegram/Patches/qtbase_5_6_2.diff

@@ -295,6 +295,40 @@ index c4cb8e65c0..45793e364f 100644
              channels[i].socket->close();
              delete channels[i].socket;
          }
+diff --git a/src/network/access/qnetworkreplyhttpimpl.cpp b/src/network/access/qnetworkreplyhttpimpl.cpp
+index 94235a48dd..9abd2cc0a1 100644
+--- a/src/network/access/qnetworkreplyhttpimpl.cpp
++++ b/src/network/access/qnetworkreplyhttpimpl.cpp
+@@ -2045,6 +2045,9 @@ void QNetworkReplyHttpImplPrivate::finished()
+ {
+     Q_Q(QNetworkReplyHttpImpl);
+ 
++    // Patch: Fix crash in Linux (by crashreports).
++    QPointer<QNetworkReplyHttpImpl> guard = q;
++
+     if (state == Finished || state == Aborted || state == WaitingForSession)
+         return;
+ 
+@@ -2075,6 +2078,9 @@ void QNetworkReplyHttpImplPrivate::finished()
+ #endif
+     }
+ 
++    // Patch: Fix crash in Linux (by crashreports).
++    if (!guard) return;
++
+     // if we don't know the total size of or we received everything save the cache
+     if (totalSize.isNull() || totalSize == -1 || bytesDownloaded == totalSize)
+         completeCacheSave();
+@@ -2084,6 +2090,9 @@ void QNetworkReplyHttpImplPrivate::finished()
+     if (isHttpRedirectResponse() && errorCode == QNetworkReply::NoError)
+         return;
+ 
++    // Patch: Fix crash in Linux (by crashreports).
++    if (!guard) return;
++
+     state = Finished;
+     q->setFinished(true);
+ 
 diff --git a/src/network/socket/qnativesocketengine_win.cpp b/src/network/socket/qnativesocketengine_win.cpp
 index 41834b21ae..8cdf4ab145 100644
 --- a/src/network/socket/qnativesocketengine_win.cpp

Telegram/Resources/basic.style

@@ -72,8 +72,11 @@ linkCropLimit: 360px;
 linkFont: normalFont;
 linkOverFont: font(fsize underline);
 
-dateRadius: 6px;
-buttonRadius: 3px;
+roundRadiusLarge: 6px;
+roundRadiusSmall: 3px;
+
+dateRadius: roundRadiusLarge;
+buttonRadius: roundRadiusSmall;
 
 setLittleSkip: 9px;
 

Telegram/Resources/colors.palette

@@ -51,11 +51,6 @@ attentionButtonFgOver: #d14e4e; // default attention button text with mouse over
 attentionButtonBgOver: #fcdfde; // default attention button background with mouse over
 attentionButtonBgRipple: #f4c3c2; // default attention button ripple effect
 
-outlineButtonBg: windowBg; // default left outlined button background (like shared media links in profiles)
-outlineButtonBgOver: lightButtonBgOver; // default left outlined button background with mouse over
-outlineButtonOutlineFg: windowBgActive; // default left outlined button left outline border
-outlineButtonBgRipple: lightButtonBgRipple; // default left outlined button ripple effect
-
 menuBg: windowBg; // default popup menu background
 menuBgOver: windowBgOver; // default popup menu item background with mouse over
 menuBgRipple: windowBgRipple; // default popup menu item ripple effect

Telegram/Resources/langs/lang.strings

@@ -76,6 +76,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_month_day_year" = "{month} {day}, {year}";
 "lng_month_year" = "{month} {year}";
 
+"lng_calendar_beginning" = "Beginning";
+
 "lng_box_ok" = "OK";
 "lng_box_done" = "Done";
 
@@ -164,6 +166,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 "lng_edit_media_album_error" = "This file cannot be saved as a part of an album.";
 "lng_edit_media_invalid_file" = "Sorry, no way to use this file.";
+"lng_edit_caption_attach" = "Sorry, you can't attach a new media while you're editing your message.";
 
 "lng_intro_about" = "Welcome to the official Telegram Desktop app.\nIt's fast and secure.";
 "lng_start_msgs" = "START MESSAGING";
@@ -297,6 +300,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_notification_reply" = "Reply";
 "lng_notification_hide_all" = "Hide all";
 "lng_notification_sample" = "This is a sample notification";
+"lng_notification_reminder" = "Reminder";
 
 "lng_settings_section_general" = "General";
 "lng_settings_change_lang" = "Change language";
@@ -336,7 +340,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_settings_bg_use_default" = "Use default color theme";
 "lng_settings_bg_from_gallery" = "Choose from gallery";
 "lng_settings_bg_from_file" = "Choose from file";
-"lng_settings_bg_edit_theme" = "Launch theme editor";
+"lng_settings_bg_theme_edit" = "Edit theme";
+"lng_settings_bg_theme_create" = "Create new theme";
+"lng_settings_bg_cloud_themes" = "Custom themes";
+"lng_settings_bg_show_all" = "Show all themes";
 "lng_settings_bg_tile" = "Tile background";
 "lng_settings_adaptive_wide" = "Adaptive layout for wide screens";
 
@@ -385,10 +392,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_settings_stickers_emoji" = "Stickers and emoji";
 "lng_settings_messages" = "Messages";
 "lng_settings_themes" = "Themes";
-"lng_settings_theme_blue" = "Blue";
+"lng_settings_theme_day" = "Day";
 "lng_settings_theme_classic" = "Classic";
-"lng_settings_theme_midnight" = "Midnight";
-"lng_settings_theme_matrix" = "Matrix";
+"lng_settings_theme_tinted" = "Tinted";
+"lng_settings_theme_night" = "Night";
+"lng_settings_theme_accent_title" = "Choose accent color";
 "lng_settings_data_storage" = "Data and storage";
 "lng_settings_information" = "Edit profile";
 "lng_settings_passcode_title" = "Local passcode";
@@ -408,6 +416,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_theme_reverting#other" = "Reverting to the old theme in {count} seconds.";
 "lng_theme_keep_changes" = "Keep changes";
 "lng_theme_revert" = "Revert";
+"lng_theme_no_desktop" = "Sorry, this theme doesn't include a version for Telegram Desktop.";
+"lng_theme_share" = "Share";
+"lng_theme_edit" = "Edit";
+"lng_theme_delete" = "Delete";
+"lng_theme_delete_sure" = "Are you sure you want to delete this theme?";
 "lng_background_header" = "Background preview";
 "lng_background_text1" = "Ah, you kids today with techno music! You should enjoy the classics, like Hasselhoff!";
 "lng_background_text2" = "I can't even take you seriously right now.";
@@ -629,6 +642,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_edit_privacy_phone_number_always_title" = "Always share with";
 "lng_edit_privacy_phone_number_never_title" = "Never share with";
 
+"lng_edit_privacy_phone_number_find" = "Who can find me by my number";
+"lng_edit_privacy_phone_number_contacts" = "Users who add your number to their contacts will see it on Telegram only if they are your contacts.";
+
 "lng_edit_privacy_lastseen_title" = "Last seen privacy";
 "lng_edit_privacy_lastseen_header" = "Who can see your last seen time";
 "lng_edit_privacy_lastseen_warning" = "Important: you won't be able to see Last Seen times for people with whom you don't share your Last Seen time. Approximate last seen will be shown instead (recently, within a week, within a month).";
@@ -1134,6 +1150,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_media_size_limit" = "Limit by size";
 "lng_media_size_up_to" = "up to {size}";
 "lng_media_chat_background" = "Chat background";
+"lng_media_color_theme" = "Color theme";
 
 "lng_emoji_category1" = "People";
 "lng_emoji_category2" = "Nature";
@@ -1240,6 +1257,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 "lng_send_button" = "Send";
 "lng_send_silent_message" = "Send without sound";
+"lng_schedule_message" = "Schedule message";
+"lng_reminder_message" = "Set a reminder";
+"lng_schedule_title" = "Send this message on...";
+"lng_remind_title" = "Remind me on...";
+"lng_schedule_at" = "at";
 "lng_message_ph" = "Write a message...";
 "lng_broadcast_ph" = "Broadcast a message...";
 "lng_broadcast_silent_ph" = "Silent broadcast...";
@@ -1259,6 +1281,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_saved_short" = "Save";
 "lng_saved_forward_here" = "Forward messages here for quick access";
 
+"lng_scheduled_messages" = "Scheduled Messages";
+"lng_reminder_messages" = "Reminders";
+"lng_scheduled_send_now" = "Send message now?";
+"lng_scheduled_send_now_many#one" = "Send {count} message now?";
+"lng_scheduled_send_now_many#other" = "Send {count} messages now?";
+
 "lng_archived_name" = "Archived chats";
 "lng_archived_add" = "Archive";
 "lng_archived_remove" = "Unarchive";
@@ -1386,6 +1414,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_context_reply_msg" = "Reply";
 "lng_context_edit_msg" = "Edit";
 "lng_context_forward_msg" = "Forward Message";
+"lng_context_send_now_msg" = "Send now";
 "lng_context_delete_msg" = "Delete Message";
 "lng_context_select_msg" = "Select Message";
 "lng_context_report_msg" = "Report Message";
@@ -1395,6 +1424,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_context_copy_selected" = "Copy Selected Text";
 "lng_context_copy_selected_items" = "Copy Selected as Text";
 "lng_context_forward_selected" = "Forward Selected";
+"lng_context_send_now_selected" = "Send selected now";
 "lng_context_delete_selected" = "Delete Selected";
 "lng_context_clear_selection" = "Clear Selection";
 "lng_send_image_empty" = "Could not send an empty file: {name}";
@@ -1472,6 +1502,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_selected_clear" = "Cancel";
 "lng_selected_delete" = "Delete";
 "lng_selected_forward" = "Forward";
+"lng_selected_send_now" = "Send now";
 "lng_selected_cancel_sure_this" = "Cancel uploading?";
 "lng_selected_upload_stop" = "Stop";
 "lng_selected_delete_sure_this" = "Do you want to delete this message?";
@@ -1536,6 +1567,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_theme_preview_generating" = "Generating color theme preview...";
 "lng_theme_preview_invalid" = "Invalid data in this theme file.";
 "lng_theme_preview_apply" = "Apply this theme";
+"lng_theme_preview_users#one" = "{count} person is using this theme";
+"lng_theme_preview_users#other" = "{count} people are using this theme";
 
 "lng_new_authorization" = "{name},\nWe detected a login into your account from a new device on {day}, {date} at {time}\n\nDevice: {device}\nLocation: {location}\n\nIf this wasn't you, you can go to Settings — Show all sessions and terminate that session.\n\nIf you think that somebody logged in to your account against your will, you can enable two-step verification in Settings.\n\nSincerely,\nThe Telegram Team";
 
@@ -1579,9 +1612,26 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_theme_editor_save_palette" = "Save palette file";
 "lng_theme_editor_choose_name" = "Save theme file";
 "lng_theme_editor_error" = "The editor encountered an error :( See 'log.txt' for details.";
+"lng_theme_editor_sure_close" = "Are you sure you want to close the editor? Your changes won't be saved.";
+"lng_theme_editor_need_auth" = "You need to log in to save your theme.";
+"lng_theme_editor_need_unlock" = "You need to unlock Telegram to save your theme.";
 "lng_theme_editor_done" = "Theme exported successfully!";
 "lng_theme_editor_title" = "Edit color palette";
-"lng_theme_editor_export_button" = "Export theme";
+"lng_theme_editor_save_button" = "Save theme";
+
+"lng_theme_editor_create_title" = "Create theme";
+"lng_theme_editor_attach_title" = "Attach desktop theme";
+"lng_theme_editor_create" = "Create";
+"lng_theme_editor_name" = "Theme name";
+"lng_theme_editor_create_description" = "New theme will be based on your currently selected colors and wallpaper. Alternatively, you can import existing theme or color palette from file.";
+"lng_theme_editor_attach_description" = "You can create desktop part of your theme based on your currently selected colors and wallpaper. Alternatively, you can import existing theme or color palette from file.";
+"lng_theme_editor_import_existing" = "Import existing theme";
+"lng_theme_editor_save_title" = "Save theme";
+"lng_theme_editor_link_about" = "Your theme will be updated for all users each time you change it. Anyone can install it using this link.\n\nTheme links must be longer than 5 characters and use a-z, 0-9 and underscores.";
+
+"lng_theme_editor_menu_export" = "Export theme";
+"lng_theme_editor_menu_import" = "Import theme";
+"lng_theme_editor_menu_show" = "Show palette file";
 
 "lng_payments_not_supported" = "Sorry, Telegram Desktop doesn't support payments yet. Please use one of our mobile apps to do this.";
 "lng_payments_receipt_label" = "Receipt";

Telegram/Resources/qrc/fonts.qrc

@@ -0,0 +1,7 @@
+<RCC>
+  <qresource prefix="/gui">
+    <file alias="fonts/OpenSans-Regular.ttf">../fonts/OpenSans-Regular.ttf</file>
+    <file alias="fonts/OpenSans-Bold.ttf">../fonts/OpenSans-Bold.ttf</file>
+    <file alias="fonts/OpenSans-Semibold.ttf">../fonts/OpenSans-Semibold.ttf</file>
+  </qresource>
+</RCC>

Telegram/Resources/qrc/telegram.qrc

@@ -1,71 +0,0 @@
-<RCC>
-  <qresource prefix="/export">
-    <file alias="css/style.css">../export_html/css/style.css</file>
-    <file alias="images/back.png">../export_html/images/back.png</file>
-    <file alias="images/back@2x.png">../export_html/images/back@2x.png</file>
-    <file alias="images/media_call.png">../export_html/images/media_call.png</file>
-    <file alias="images/media_call@2x.png">../export_html/images/media_call@2x.png</file>
-    <file alias="images/media_contact.png">../export_html/images/media_contact.png</file>
-    <file alias="images/media_contact@2x.png">../export_html/images/media_contact@2x.png</file>
-    <file alias="images/media_file.png">../export_html/images/media_file.png</file>
-    <file alias="images/media_file@2x.png">../export_html/images/media_file@2x.png</file>
-    <file alias="images/media_game.png">../export_html/images/media_game.png</file>
-    <file alias="images/media_game@2x.png">../export_html/images/media_game@2x.png</file>
-    <file alias="images/media_location.png">../export_html/images/media_location.png</file>
-    <file alias="images/media_location@2x.png">../export_html/images/media_location@2x.png</file>
-    <file alias="images/media_music.png">../export_html/images/media_music.png</file>
-    <file alias="images/media_music@2x.png">../export_html/images/media_music@2x.png</file>
-    <file alias="images/media_photo.png">../export_html/images/media_photo.png</file>
-    <file alias="images/media_photo@2x.png">../export_html/images/media_photo@2x.png</file>
-    <file alias="images/media_shop.png">../export_html/images/media_shop.png</file>
-    <file alias="images/media_shop@2x.png">../export_html/images/media_shop@2x.png</file>
-    <file alias="images/media_video.png">../export_html/images/media_video.png</file>
-    <file alias="images/media_video@2x.png">../export_html/images/media_video@2x.png</file>
-    <file alias="images/media_voice.png">../export_html/images/media_voice.png</file>
-    <file alias="images/media_voice@2x.png">../export_html/images/media_voice@2x.png</file>
-    <file alias="images/section_calls.png">../export_html/images/section_calls.png</file>
-    <file alias="images/section_calls@2x.png">../export_html/images/section_calls@2x.png</file>
-    <file alias="images/section_chats.png">../export_html/images/section_chats.png</file>
-    <file alias="images/section_chats@2x.png">../export_html/images/section_chats@2x.png</file>
-    <file alias="images/section_contacts.png">../export_html/images/section_contacts.png</file>
-    <file alias="images/section_contacts@2x.png">../export_html/images/section_contacts@2x.png</file>
-    <file alias="images/section_frequent.png">../export_html/images/section_frequent.png</file>
-    <file alias="images/section_frequent@2x.png">../export_html/images/section_frequent@2x.png</file>
-    <file alias="images/section_other.png">../export_html/images/section_other.png</file>
-    <file alias="images/section_other@2x.png">../export_html/images/section_other@2x.png</file>
-    <file alias="images/section_photos.png">../export_html/images/section_photos.png</file>
-    <file alias="images/section_photos@2x.png">../export_html/images/section_photos@2x.png</file>
-    <file alias="images/section_sessions.png">../export_html/images/section_sessions.png</file>
-    <file alias="images/section_sessions@2x.png">../export_html/images/section_sessions@2x.png</file>
-    <file alias="images/section_web.png">../export_html/images/section_web.png</file>
-    <file alias="images/section_web@2x.png">../export_html/images/section_web@2x.png</file>
-    <file alias="js/script.js">../export_html/js/script.js</file>
-  </qresource>
-  <qresource prefix="/gui">
-    <file alias="fonts/OpenSans-Regular.ttf">../fonts/OpenSans-Regular.ttf</file>
-    <file alias="fonts/OpenSans-Bold.ttf">../fonts/OpenSans-Bold.ttf</file>
-    <file alias="fonts/OpenSans-Semibold.ttf">../fonts/OpenSans-Semibold.ttf</file>
-    <file alias="art/bg.jpg">../art/bg.jpg</file>
-    <file alias="art/bg_initial.jpg">../art/bg_initial.jpg</file>
-    <file alias="art/logo_256.png">../art/logo_256.png</file>
-    <file alias="art/logo_256_no_margin.png">../art/logo_256_no_margin.png</file>
-    <file alias="art/sunrise.jpg">../art/sunrise.jpg</file>
-    <file alias="day-blue.tdesktop-theme">../day-blue.tdesktop-theme</file>
-    <file alias="night.tdesktop-theme">../night.tdesktop-theme</file>
-    <file alias="night-green.tdesktop-theme">../night-green.tdesktop-theme</file>
-  </qresource>
-  <qresource prefix="/sounds">
-    <file alias="msg_incoming.mp3">../sounds/msg_incoming.mp3</file>
-    <file alias="call_incoming.mp3">../sounds/call_incoming.mp3</file>
-    <file alias="call_outgoing.mp3">../sounds/call_outgoing.mp3</file>
-    <file alias="call_busy.mp3">../sounds/call_busy.mp3</file>
-    <file alias="call_connect.mp3">../sounds/call_connect.mp3</file>
-    <file alias="call_end.mp3">../sounds/call_end.mp3</file>
-  </qresource>
-  <qresource prefix="/qt-project.org">
-    <file>qmime/freedesktop.org.xml</file>
-  </qresource>
-  <qresource prefix="/misc">
-    <file alias="default_shortcuts-custom.json">../default_shortcuts-custom.json</file>
-  </qresource>
-</RCC>

Telegram/Resources/qrc/telegram/sounds.qrc

@@ -0,0 +1,10 @@
+<RCC>
+  <qresource prefix="/sounds">
+    <file alias="msg_incoming.mp3">../../sounds/msg_incoming.mp3</file>
+    <file alias="call_busy.mp3">../../sounds/call_busy.mp3</file>
+    <file alias="call_connect.mp3">../../sounds/call_connect.mp3</file>
+    <file alias="call_end.mp3">../../sounds/call_end.mp3</file>
+    <file alias="call_incoming.mp3">../../sounds/call_incoming.mp3</file>
+    <file alias="call_outgoing.mp3">../../sounds/call_outgoing.mp3</file>
+  </qresource>
+</RCC>

Telegram/Resources/qrc/telegram/telegram.qrc

@@ -0,0 +1,60 @@
+<RCC>
+  <qresource prefix="/export">
+    <file alias="css/style.css">../../export_html/css/style.css</file>
+    <file alias="images/back.png">../../export_html/images/back.png</file>
+    <file alias="images/back@2x.png">../../export_html/images/back@2x.png</file>
+    <file alias="images/media_call.png">../../export_html/images/media_call.png</file>
+    <file alias="images/media_call@2x.png">../../export_html/images/media_call@2x.png</file>
+    <file alias="images/media_contact.png">../../export_html/images/media_contact.png</file>
+    <file alias="images/media_contact@2x.png">../../export_html/images/media_contact@2x.png</file>
+    <file alias="images/media_file.png">../../export_html/images/media_file.png</file>
+    <file alias="images/media_file@2x.png">../../export_html/images/media_file@2x.png</file>
+    <file alias="images/media_game.png">../../export_html/images/media_game.png</file>
+    <file alias="images/media_game@2x.png">../../export_html/images/media_game@2x.png</file>
+    <file alias="images/media_location.png">../../export_html/images/media_location.png</file>
+    <file alias="images/media_location@2x.png">../../export_html/images/media_location@2x.png</file>
+    <file alias="images/media_music.png">../../export_html/images/media_music.png</file>
+    <file alias="images/media_music@2x.png">../../export_html/images/media_music@2x.png</file>
+    <file alias="images/media_photo.png">../../export_html/images/media_photo.png</file>
+    <file alias="images/media_photo@2x.png">../../export_html/images/media_photo@2x.png</file>
+    <file alias="images/media_shop.png">../../export_html/images/media_shop.png</file>
+    <file alias="images/media_shop@2x.png">../../export_html/images/media_shop@2x.png</file>
+    <file alias="images/media_video.png">../../export_html/images/media_video.png</file>
+    <file alias="images/media_video@2x.png">../../export_html/images/media_video@2x.png</file>
+    <file alias="images/media_voice.png">../../export_html/images/media_voice.png</file>
+    <file alias="images/media_voice@2x.png">../../export_html/images/media_voice@2x.png</file>
+    <file alias="images/section_calls.png">../../export_html/images/section_calls.png</file>
+    <file alias="images/section_calls@2x.png">../../export_html/images/section_calls@2x.png</file>
+    <file alias="images/section_chats.png">../../export_html/images/section_chats.png</file>
+    <file alias="images/section_chats@2x.png">../../export_html/images/section_chats@2x.png</file>
+    <file alias="images/section_contacts.png">../../export_html/images/section_contacts.png</file>
+    <file alias="images/section_contacts@2x.png">../../export_html/images/section_contacts@2x.png</file>
+    <file alias="images/section_frequent.png">../../export_html/images/section_frequent.png</file>
+    <file alias="images/section_frequent@2x.png">../../export_html/images/section_frequent@2x.png</file>
+    <file alias="images/section_other.png">../../export_html/images/section_other.png</file>
+    <file alias="images/section_other@2x.png">../../export_html/images/section_other@2x.png</file>
+    <file alias="images/section_photos.png">../../export_html/images/section_photos.png</file>
+    <file alias="images/section_photos@2x.png">../../export_html/images/section_photos@2x.png</file>
+    <file alias="images/section_sessions.png">../../export_html/images/section_sessions.png</file>
+    <file alias="images/section_sessions@2x.png">../../export_html/images/section_sessions@2x.png</file>
+    <file alias="images/section_web.png">../../export_html/images/section_web.png</file>
+    <file alias="images/section_web@2x.png">../../export_html/images/section_web@2x.png</file>
+    <file alias="js/script.js">../../export_html/js/script.js</file>
+  </qresource>
+  <qresource prefix="/gui">
+    <file alias="art/bg.jpg">../../art/bg.jpg</file>
+    <file alias="art/bg_initial.jpg">../../art/bg_initial.jpg</file>
+    <file alias="art/logo_256.png">../../art/logo_256.png</file>
+    <file alias="art/logo_256_no_margin.png">../../art/logo_256_no_margin.png</file>
+    <file alias="art/sunrise.jpg">../../art/sunrise.jpg</file>
+    <file alias="day-blue.tdesktop-theme">../../day-blue.tdesktop-theme</file>
+    <file alias="night.tdesktop-theme">../../night.tdesktop-theme</file>
+    <file alias="night-green.tdesktop-theme">../../night-green.tdesktop-theme</file>
+  </qresource>
+  <qresource prefix="/qt-project.org">
+    <file>../qmime/freedesktop.org.xml</file>
+  </qresource>
+  <qresource prefix="/misc">
+    <file alias="default_shortcuts-custom.json">../../default_shortcuts-custom.json</file>
+  </qresource>
+</RCC>

Telegram/Resources/qrc/telegram_sounds.qrc

@@ -1,10 +0,0 @@
-<RCC>
-  <qresource prefix="/sounds">
-    <file alias="msg_incoming.mp3">../sounds/msg_incoming.mp3</file>
-    <file alias="call_busy.mp3">../sounds/call_busy.mp3</file>
-    <file alias="call_connect.mp3">../sounds/call_connect.mp3</file>
-    <file alias="call_end.mp3">../sounds/call_end.mp3</file>
-    <file alias="call_incoming.mp3">../sounds/call_incoming.mp3</file>
-    <file alias="call_outgoing.mp3">../sounds/call_outgoing.mp3</file>
-  </qresource>
-</RCC>

Telegram/Resources/tl/api.tl

@@ -108,7 +108,7 @@ storage.fileMp4#b3cea0e4 = storage.FileType;
 storage.fileWebp#1081464c = storage.FileType;
 
 userEmpty#200250ba id:int = User;
-user#2e13f4c3 flags:# self:flags.10?true contact:flags.11?true mutual_contact:flags.12?true deleted:flags.13?true bot:flags.14?true bot_chat_history:flags.15?true bot_nochats:flags.16?true verified:flags.17?true restricted:flags.18?true min:flags.20?true bot_inline_geo:flags.21?true support:flags.23?true scam:flags.24?true id:int access_hash:flags.0?long first_name:flags.1?string last_name:flags.2?string username:flags.3?string phone:flags.4?string photo:flags.5?UserProfilePhoto status:flags.6?UserStatus bot_info_version:flags.14?int restriction_reason:flags.18?string bot_inline_placeholder:flags.19?string lang_code:flags.22?string = User;
+user#938458c1 flags:# self:flags.10?true contact:flags.11?true mutual_contact:flags.12?true deleted:flags.13?true bot:flags.14?true bot_chat_history:flags.15?true bot_nochats:flags.16?true verified:flags.17?true restricted:flags.18?true min:flags.20?true bot_inline_geo:flags.21?true support:flags.23?true scam:flags.24?true id:int access_hash:flags.0?long first_name:flags.1?string last_name:flags.2?string username:flags.3?string phone:flags.4?string photo:flags.5?UserProfilePhoto status:flags.6?UserStatus bot_info_version:flags.14?int restriction_reason:flags.18?Vector<RestrictionReason> bot_inline_placeholder:flags.19?string lang_code:flags.22?string = User;
 
 userProfilePhotoEmpty#4f11bae1 = UserProfilePhoto;
 userProfilePhoto#ecd75d8c photo_id:long photo_small:FileLocation photo_big:FileLocation dc_id:int = UserProfilePhoto;
@@ -123,11 +123,11 @@ userStatusLastMonth#77ebc742 = UserStatus;
 chatEmpty#9ba2d800 id:int = Chat;
 chat#3bda1bde flags:# creator:flags.0?true kicked:flags.1?true left:flags.2?true deactivated:flags.5?true id:int title:string photo:ChatPhoto participants_count:int date:int version:int migrated_to:flags.6?InputChannel admin_rights:flags.14?ChatAdminRights default_banned_rights:flags.18?ChatBannedRights = Chat;
 chatForbidden#7328bdb id:int title:string = Chat;
-channel#4df30834 flags:# creator:flags.0?true left:flags.2?true broadcast:flags.5?true verified:flags.7?true megagroup:flags.8?true restricted:flags.9?true signatures:flags.11?true min:flags.12?true scam:flags.19?true has_link:flags.20?true has_geo:flags.21?true slowmode_enabled:flags.22?true id:int access_hash:flags.13?long title:string username:flags.6?string photo:ChatPhoto date:int version:int restriction_reason:flags.9?string admin_rights:flags.14?ChatAdminRights banned_rights:flags.15?ChatBannedRights default_banned_rights:flags.18?ChatBannedRights participants_count:flags.17?int = Chat;
+channel#d31a961e flags:# creator:flags.0?true left:flags.2?true broadcast:flags.5?true verified:flags.7?true megagroup:flags.8?true restricted:flags.9?true signatures:flags.11?true min:flags.12?true scam:flags.19?true has_link:flags.20?true has_geo:flags.21?true slowmode_enabled:flags.22?true id:int access_hash:flags.13?long title:string username:flags.6?string photo:ChatPhoto date:int version:int restriction_reason:flags.9?Vector<RestrictionReason> admin_rights:flags.14?ChatAdminRights banned_rights:flags.15?ChatBannedRights default_banned_rights:flags.18?ChatBannedRights participants_count:flags.17?int = Chat;
 channelForbidden#289da732 flags:# broadcast:flags.5?true megagroup:flags.8?true id:int access_hash:long title:string until_date:flags.16?int = Chat;
 
-chatFull#1b7c9db3 flags:# can_set_username:flags.7?true id:int about:string participants:ChatParticipants chat_photo:flags.2?Photo notify_settings:PeerNotifySettings exported_invite:ExportedChatInvite bot_info:flags.3?Vector<BotInfo> pinned_msg_id:flags.6?int folder_id:flags.11?int = ChatFull;
-channelFull#2d895c74 flags:# can_view_participants:flags.3?true can_set_username:flags.6?true can_set_stickers:flags.7?true hidden_prehistory:flags.10?true can_view_stats:flags.12?true can_set_location:flags.16?true id:int about:string participants_count:flags.0?int admins_count:flags.1?int kicked_count:flags.2?int banned_count:flags.2?int online_count:flags.13?int read_inbox_max_id:int read_outbox_max_id:int unread_count:int chat_photo:Photo notify_settings:PeerNotifySettings exported_invite:ExportedChatInvite bot_info:Vector<BotInfo> migrated_from_chat_id:flags.4?int migrated_from_max_id:flags.4?int pinned_msg_id:flags.5?int stickerset:flags.8?StickerSet available_min_id:flags.9?int folder_id:flags.11?int linked_chat_id:flags.14?int location:flags.15?ChannelLocation slowmode_seconds:flags.17?int slowmode_next_send_date:flags.18?int pts:int = ChatFull;
+chatFull#1b7c9db3 flags:# can_set_username:flags.7?true has_scheduled:flags.8?true id:int about:string participants:ChatParticipants chat_photo:flags.2?Photo notify_settings:PeerNotifySettings exported_invite:ExportedChatInvite bot_info:flags.3?Vector<BotInfo> pinned_msg_id:flags.6?int folder_id:flags.11?int = ChatFull;
+channelFull#2d895c74 flags:# can_view_participants:flags.3?true can_set_username:flags.6?true can_set_stickers:flags.7?true hidden_prehistory:flags.10?true can_view_stats:flags.12?true can_set_location:flags.16?true has_scheduled:flags.19?true id:int about:string participants_count:flags.0?int admins_count:flags.1?int kicked_count:flags.2?int banned_count:flags.2?int online_count:flags.13?int read_inbox_max_id:int read_outbox_max_id:int unread_count:int chat_photo:Photo notify_settings:PeerNotifySettings exported_invite:ExportedChatInvite bot_info:Vector<BotInfo> migrated_from_chat_id:flags.4?int migrated_from_max_id:flags.4?int pinned_msg_id:flags.5?int stickerset:flags.8?StickerSet available_min_id:flags.9?int folder_id:flags.11?int linked_chat_id:flags.14?int location:flags.15?ChannelLocation slowmode_seconds:flags.17?int slowmode_next_send_date:flags.18?int pts:int = ChatFull;
 
 chatParticipant#c8d7493e user_id:int inviter_id:int date:int = ChatParticipant;
 chatParticipantCreator#da13538a user_id:int = ChatParticipant;
@@ -140,7 +140,7 @@ chatPhotoEmpty#37c1011c = ChatPhoto;
 chatPhoto#475cdbd5 photo_small:FileLocation photo_big:FileLocation dc_id:int = ChatPhoto;
 
 messageEmpty#83e5de54 id:int = Message;
-message#44f9b43d flags:# out:flags.1?true mentioned:flags.4?true media_unread:flags.5?true silent:flags.13?true post:flags.14?true from_scheduled:flags.18?true legacy:flags.19?true id:int from_id:flags.8?int to_id:Peer fwd_from:flags.2?MessageFwdHeader via_bot_id:flags.11?int reply_to_msg_id:flags.3?int date:int message:string media:flags.9?MessageMedia reply_markup:flags.6?ReplyMarkup entities:flags.7?Vector<MessageEntity> views:flags.10?int edit_date:flags.15?int post_author:flags.16?string grouped_id:flags.17?long = Message;
+message#452c0e65 flags:# out:flags.1?true mentioned:flags.4?true media_unread:flags.5?true silent:flags.13?true post:flags.14?true from_scheduled:flags.18?true legacy:flags.19?true edit_hide:flags.21?true id:int from_id:flags.8?int to_id:Peer fwd_from:flags.2?MessageFwdHeader via_bot_id:flags.11?int reply_to_msg_id:flags.3?int date:int message:string media:flags.9?MessageMedia reply_markup:flags.6?ReplyMarkup entities:flags.7?Vector<MessageEntity> views:flags.10?int edit_date:flags.15?int post_author:flags.16?string grouped_id:flags.17?long restriction_reason:flags.22?Vector<RestrictionReason> = Message;
 messageService#9e19a1f6 flags:# out:flags.1?true mentioned:flags.4?true media_unread:flags.5?true silent:flags.13?true post:flags.14?true legacy:flags.19?true id:int from_id:flags.8?int to_id:Peer reply_to_msg_id:flags.3?int date:int action:MessageAction = Message;
 
 messageMediaEmpty#3ded6320 = MessageMedia;
@@ -222,7 +222,7 @@ inputReportReasonOther#e1746d0a text:string = ReportReason;
 inputReportReasonCopyright#9b89f93a = ReportReason;
 inputReportReasonGeoIrrelevant#dbd4feed = ReportReason;
 
-userFull#edf17c12 flags:# blocked:flags.0?true phone_calls_available:flags.4?true phone_calls_private:flags.5?true can_pin_message:flags.7?true user:User about:flags.1?string settings:PeerSettings profile_photo:flags.2?Photo notify_settings:PeerNotifySettings bot_info:flags.3?BotInfo pinned_msg_id:flags.6?int common_chats_count:int folder_id:flags.11?int = UserFull;
+userFull#edf17c12 flags:# blocked:flags.0?true phone_calls_available:flags.4?true phone_calls_private:flags.5?true can_pin_message:flags.7?true has_scheduled:flags.12?true user:User about:flags.1?string settings:PeerSettings profile_photo:flags.2?Photo notify_settings:PeerNotifySettings bot_info:flags.3?BotInfo pinned_msg_id:flags.6?int common_chats_count:int folder_id:flags.11?int = UserFull;
 
 contact#f911c994 user_id:int mutual:Bool = Contact;
 
@@ -344,6 +344,9 @@ updateChatDefaultBannedRights#54c01850 peer:Peer default_banned_rights:ChatBanne
 updateFolderPeers#19360dc0 folder_peers:Vector<FolderPeer> pts:int pts_count:int = Update;
 updatePeerSettings#6a7e7366 peer:Peer settings:PeerSettings = Update;
 updatePeerLocated#b4afcfb0 peers:Vector<PeerLocated> = Update;
+updateNewScheduledMessage#39a51dfb message:Message = Update;
+updateDeleteScheduledMessages#90866cee peer:Peer messages:Vector<int> = Update;
+updateTheme#8216fba3 theme:Theme = Update;
 
 updates.state#a56c2a3e pts:int qts:int date:int seq:int unread_count:int = updates.State;
 
@@ -440,6 +443,7 @@ inputPrivacyKeyPhoneP2P#db9e70d2 = InputPrivacyKey;
 inputPrivacyKeyForwards#a4dd4c08 = InputPrivacyKey;
 inputPrivacyKeyProfilePhoto#5719bacc = InputPrivacyKey;
 inputPrivacyKeyPhoneNumber#352dafa = InputPrivacyKey;
+inputPrivacyKeyAddedByPhone#d1219bdd = InputPrivacyKey;
 
 privacyKeyStatusTimestamp#bc2eab30 = PrivacyKey;
 privacyKeyChatInvite#500e6dfa = PrivacyKey;
@@ -448,6 +452,7 @@ privacyKeyPhoneP2P#39491cc8 = PrivacyKey;
 privacyKeyForwards#69ec56a3 = PrivacyKey;
 privacyKeyProfilePhoto#96151fed = PrivacyKey;
 privacyKeyPhoneNumber#d19ae46d = PrivacyKey;
+privacyKeyAddedByPhone#42ffd42b = PrivacyKey;
 
 inputPrivacyValueAllowContacts#d09e07b = InputPrivacyRule;
 inputPrivacyValueAllowAll#184b35ce = InputPrivacyRule;
@@ -491,7 +496,7 @@ messages.affectedMessages#84d19185 pts:int pts_count:int = messages.AffectedMess
 
 webPageEmpty#eb1477e8 id:long = WebPage;
 webPagePending#c586da1c id:long date:int = WebPage;
-webPage#5f07b4bc flags:# id:long url:string display_url:string hash:int type:flags.0?string site_name:flags.1?string title:flags.2?string description:flags.3?string photo:flags.4?Photo embed_url:flags.5?string embed_type:flags.5?string embed_width:flags.6?int embed_height:flags.6?int duration:flags.7?int author:flags.8?string document:flags.9?Document cached_page:flags.10?Page = WebPage;
+webPage#fa64e172 flags:# id:long url:string display_url:string hash:int type:flags.0?string site_name:flags.1?string title:flags.2?string description:flags.3?string photo:flags.4?Photo embed_url:flags.5?string embed_type:flags.5?string embed_width:flags.6?int embed_height:flags.6?int duration:flags.7?int author:flags.8?string document:flags.9?Document documents:flags.11?Vector<Document> cached_page:flags.10?Page = WebPage;
 webPageNotModified#85849473 = WebPage;
 
 authorization#ad01d61d flags:# current:flags.0?true official_app:flags.1?true password_pending:flags.2?true hash:long device_model:string platform:string system_version:string api_id:int app_name:string app_version:string date_created:int date_active:int ip:string country:string region:string = Authorization;
@@ -1062,6 +1067,17 @@ channelLocation#209b82db geo_point:GeoPoint address:string = ChannelLocation;
 
 peerLocated#ca461b5d peer:Peer expires:int distance:int = PeerLocated;
 
+restrictionReason#d072acb4 platform:string reason:string text:string = RestrictionReason;
+
+inputTheme#3c5693e9 id:long access_hash:long = InputTheme;
+inputThemeSlug#f5890df1 slug:string = InputTheme;
+
+themeDocumentNotModified#483d270c = Theme;
+theme#f7d90ce0 flags:# creator:flags.0?true default:flags.1?true id:long access_hash:long slug:string title:string document:flags.2?Document installs_count:int = Theme;
+
+account.themesNotModified#f41eb622 = account.Themes;
+account.themes#7f676421 hash:int themes:Vector<Theme> = account.Themes;
+
 ---functions---
 
 invokeAfterMsg#cb9f372d {X:Type} msg_id:long query:!X = X;
@@ -1143,6 +1159,13 @@ account.installWallPaper#feed5769 wallpaper:InputWallPaper settings:WallPaperSet
 account.resetWallPapers#bb3b9804 = Bool;
 account.getAutoDownloadSettings#56da0b3f = account.AutoDownloadSettings;
 account.saveAutoDownloadSettings#76f36233 flags:# low:flags.0?true high:flags.1?true settings:AutoDownloadSettings = Bool;
+account.uploadTheme#1c3db333 flags:# file:InputFile thumb:flags.0?InputFile file_name:string mime_type:string = Document;
+account.createTheme#2b7ffd7f slug:string title:string document:InputDocument = Theme;
+account.updateTheme#3b8ea202 flags:# format:string theme:InputTheme slug:flags.0?string title:flags.1?string document:flags.2?InputDocument = Theme;
+account.saveTheme#f257106c theme:InputTheme unsave:Bool = Bool;
+account.installTheme#7ae43737 flags:# dark:flags.0?true format:flags.1?string theme:flags.1?InputTheme = Bool;
+account.getTheme#8d9d742b format:string theme:InputTheme document_id:long = Theme;
+account.getThemes#285946f8 format:string hash:int = account.Themes;
 
 users.getUsers#d91a548 id:Vector<InputUser> = Vector<User>;
 users.getFullUser#ca30a5b1 id:InputUser = UserFull;
@@ -1177,9 +1200,9 @@ messages.deleteHistory#1c015b09 flags:# just_clear:flags.0?true revoke:flags.1?t
 messages.deleteMessages#e58e95d2 flags:# revoke:flags.0?true id:Vector<int> = messages.AffectedMessages;
 messages.receivedMessages#5a954c0 max_id:int = Vector<ReceivedNotifyMessage>;
 messages.setTyping#a3825e50 peer:InputPeer action:SendMessageAction = Bool;
-messages.sendMessage#fa88427a flags:# no_webpage:flags.1?true silent:flags.5?true background:flags.6?true clear_draft:flags.7?true peer:InputPeer reply_to_msg_id:flags.0?int message:string random_id:long reply_markup:flags.2?ReplyMarkup entities:flags.3?Vector<MessageEntity> = Updates;
-messages.sendMedia#b8d1262b flags:# silent:flags.5?true background:flags.6?true clear_draft:flags.7?true peer:InputPeer reply_to_msg_id:flags.0?int media:InputMedia message:string random_id:long reply_markup:flags.2?ReplyMarkup entities:flags.3?Vector<MessageEntity> = Updates;
-messages.forwardMessages#708e0195 flags:# silent:flags.5?true background:flags.6?true with_my_score:flags.8?true grouped:flags.9?true from_peer:InputPeer id:Vector<int> random_id:Vector<long> to_peer:InputPeer = Updates;
+messages.sendMessage#520c3870 flags:# no_webpage:flags.1?true silent:flags.5?true background:flags.6?true clear_draft:flags.7?true peer:InputPeer reply_to_msg_id:flags.0?int message:string random_id:long reply_markup:flags.2?ReplyMarkup entities:flags.3?Vector<MessageEntity> schedule_date:flags.10?int = Updates;
+messages.sendMedia#3491eba9 flags:# silent:flags.5?true background:flags.6?true clear_draft:flags.7?true peer:InputPeer reply_to_msg_id:flags.0?int media:InputMedia message:string random_id:long reply_markup:flags.2?ReplyMarkup entities:flags.3?Vector<MessageEntity> schedule_date:flags.10?int = Updates;
+messages.forwardMessages#d9fee60e flags:# silent:flags.5?true background:flags.6?true with_my_score:flags.8?true grouped:flags.9?true from_peer:InputPeer id:Vector<int> random_id:Vector<long> to_peer:InputPeer schedule_date:flags.10?int = Updates;
 messages.reportSpam#cf1592db peer:InputPeer = Bool;
 messages.getPeerSettings#3672e09c peer:InputPeer = PeerSettings;
 messages.report#bd82b658 peer:InputPeer id:Vector<int> reason:ReportReason = Bool;
@@ -1223,9 +1246,9 @@ messages.getSavedGifs#83bf3d52 hash:int = messages.SavedGifs;
 messages.saveGif#327a30cb id:InputDocument unsave:Bool = Bool;
 messages.getInlineBotResults#514e999d flags:# bot:InputUser peer:InputPeer geo_point:flags.0?InputGeoPoint query:string offset:string = messages.BotResults;
 messages.setInlineBotResults#eb5ea206 flags:# gallery:flags.0?true private:flags.1?true query_id:long results:Vector<InputBotInlineResult> cache_time:int next_offset:flags.2?string switch_pm:flags.3?InlineBotSwitchPM = Bool;
-messages.sendInlineBotResult#b16e06fe flags:# silent:flags.5?true background:flags.6?true clear_draft:flags.7?true hide_via:flags.11?true peer:InputPeer reply_to_msg_id:flags.0?int random_id:long query_id:long id:string = Updates;
+messages.sendInlineBotResult#220815b0 flags:# silent:flags.5?true background:flags.6?true clear_draft:flags.7?true hide_via:flags.11?true peer:InputPeer reply_to_msg_id:flags.0?int random_id:long query_id:long id:string schedule_date:flags.10?int = Updates;
 messages.getMessageEditData#fda68d36 peer:InputPeer id:int = messages.MessageEditData;
-messages.editMessage#d116f31e flags:# no_webpage:flags.1?true peer:InputPeer id:int message:flags.11?string media:flags.14?InputMedia reply_markup:flags.2?ReplyMarkup entities:flags.3?Vector<MessageEntity> = Updates;
+messages.editMessage#48f71778 flags:# no_webpage:flags.1?true peer:InputPeer id:int message:flags.11?string media:flags.14?InputMedia reply_markup:flags.2?ReplyMarkup entities:flags.3?Vector<MessageEntity> schedule_date:flags.15?int = Updates;
 messages.editInlineBotMessage#83557dba flags:# no_webpage:flags.1?true id:InputBotInlineMessageID message:flags.11?string media:flags.14?InputMedia reply_markup:flags.2?ReplyMarkup entities:flags.3?Vector<MessageEntity> = Bool;
 messages.getBotCallbackAnswer#810a9fec flags:# game:flags.1?true peer:InputPeer msg_id:int data:flags.0?bytes = messages.BotCallbackAnswer;
 messages.setBotCallbackAnswer#d58f130a flags:# alert:flags.1?true query_id:long message:flags.0?string url:flags.2?string cache_time:int = Bool;
@@ -1259,7 +1282,7 @@ messages.faveSticker#b9ffc55b id:InputDocument unfave:Bool = Bool;
 messages.getUnreadMentions#46578472 peer:InputPeer offset_id:int add_offset:int limit:int max_id:int min_id:int = messages.Messages;
 messages.readMentions#f0189d3 peer:InputPeer = messages.AffectedHistory;
 messages.getRecentLocations#bbc45b09 peer:InputPeer limit:int hash:int = messages.Messages;
-messages.sendMultiMedia#2095512f flags:# silent:flags.5?true background:flags.6?true clear_draft:flags.7?true peer:InputPeer reply_to_msg_id:flags.0?int multi_media:Vector<InputSingleMedia> = Updates;
+messages.sendMultiMedia#cc0110cb flags:# silent:flags.5?true background:flags.6?true clear_draft:flags.7?true peer:InputPeer reply_to_msg_id:flags.0?int multi_media:Vector<InputSingleMedia> schedule_date:flags.10?int = Updates;
 messages.uploadEncryptedFile#5057c497 peer:InputEncryptedChat file:InputEncryptedFile = EncryptedFile;
 messages.searchStickerSets#c2b7d08b flags:# exclude_featured:flags.0?true q:string hash:int = messages.FoundStickerSets;
 messages.getSplitRanges#1cff7e08 = Vector<MessageRange>;
@@ -1281,6 +1304,10 @@ messages.getSearchCounters#732eef00 peer:InputPeer filters:Vector<MessagesFilter
 messages.requestUrlAuth#e33f5613 peer:InputPeer msg_id:int button_id:int = UrlAuthResult;
 messages.acceptUrlAuth#f729ea98 flags:# write_allowed:flags.0?true peer:InputPeer msg_id:int button_id:int = UrlAuthResult;
 messages.hidePeerSettingsBar#4facb138 peer:InputPeer = Bool;
+messages.getScheduledHistory#e2c2685b peer:InputPeer hash:int = messages.Messages;
+messages.getScheduledMessages#bdbb0464 peer:InputPeer id:Vector<int> = messages.Messages;
+messages.sendScheduledMessages#bd38850a peer:InputPeer id:Vector<int> = Updates;
+messages.deleteScheduledMessages#59ae2b16 peer:InputPeer id:Vector<int> = Updates;
 
 updates.getState#edd4882a = updates.State;
 updates.getDifference#25939651 flags:# pts:int pts_total_limit:flags.0?int date:int qts:int = updates.Difference;
@@ -1388,4 +1415,4 @@ langpack.getLanguage#6a596502 lang_pack:string lang_code:string = LangPackLangua
 folders.editPeerFolders#6847d0ab folder_peers:Vector<InputFolderPeer> = Updates;
 folders.deleteFolder#1c295881 folder_id:int = Updates;
 
-// LAYER 104
+// LAYER 105

Telegram/Resources/tl/mtproto.tl

@@ -99,6 +99,7 @@ tlsBlockRandom length:int = TlsBlock;
 tlsBlockZero length:int = TlsBlock;
 tlsBlockDomain = TlsBlock;
 tlsBlockGrease seed:int = TlsBlock;
+tlsBlockPublicKey = TlsBlock;
 tlsBlockScope entries:Vector<TlsBlock> = TlsBlock;
 
 ---functions---

Telegram/Resources/uwp/AppX/AppxManifest.xml

@@ -9,7 +9,7 @@
   <Identity Name="TelegramMessengerLLP.TelegramDesktop"
     ProcessorArchitecture="ARCHITECTURE"
     Publisher="CN=536BC709-8EE1-4478-AF22-F0F0F26FF64A"
-    Version="1.8.0.0" />
+    Version="1.8.14.0" />
   <Properties>
     <DisplayName>Telegram Desktop</DisplayName>
     <PublisherDisplayName>Telegram FZ-LLC</PublisherDisplayName>

Telegram/Resources/winrc/Telegram.rc

@@ -1,6 +1,5 @@
 // Microsoft Visual C++ generated resource script.
 //
-#include "resource.h"
 
 #define APSTUDIO_READONLY_SYMBOLS
 /////////////////////////////////////////////////////////////////////////////
@@ -34,8 +33,8 @@ IDI_ICON1               ICON                    "..\\art\\icon256.ico"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,8,0,0
- PRODUCTVERSION 1,8,0,0
+ FILEVERSION 1,8,14,0
+ PRODUCTVERSION 1,8,14,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -52,10 +51,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop"
-            VALUE "FileVersion", "1.8.0.0"
+            VALUE "FileVersion", "1.8.14.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2019"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "1.8.0.0"
+            VALUE "ProductVersion", "1.8.14.0"
         END
     END
     BLOCK "VarFileInfo"
@@ -66,16 +65,3 @@ END
 
 #endif    // English (United States) resources
 /////////////////////////////////////////////////////////////////////////////
-
-
-
-#ifndef APSTUDIO_INVOKED
-/////////////////////////////////////////////////////////////////////////////
-//
-// Generated from the TEXTINCLUDE 3 resource.
-//
-
-
-/////////////////////////////////////////////////////////////////////////////
-#endif    // not APSTUDIO_INVOKED
-

Telegram/Resources/winrc/Updater.rc

@@ -1,6 +1,5 @@
 // Microsoft Visual C++ generated resource script.
 //
-#include "resource1.h"
 
 #define APSTUDIO_READONLY_SYMBOLS
 /////////////////////////////////////////////////////////////////////////////
@@ -25,8 +24,8 @@ LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,8,0,0
- PRODUCTVERSION 1,8,0,0
+ FILEVERSION 1,8,14,0
+ PRODUCTVERSION 1,8,14,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -43,10 +42,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop Updater"
-            VALUE "FileVersion", "1.8.0.0"
+            VALUE "FileVersion", "1.8.14.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2019"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "1.8.0.0"
+            VALUE "ProductVersion", "1.8.14.0"
         END
     END
     BLOCK "VarFileInfo"
@@ -57,16 +56,3 @@ END
 
 #endif    // English (United States) resources
 /////////////////////////////////////////////////////////////////////////////
-
-
-
-#ifndef APSTUDIO_INVOKED
-/////////////////////////////////////////////////////////////////////////////
-//
-// Generated from the TEXTINCLUDE 3 resource.
-//
-
-
-/////////////////////////////////////////////////////////////////////////////
-#endif    // not APSTUDIO_INVOKED
-

Telegram/Resources/winrc/resource1.h

@@ -1,14 +0,0 @@
-//{{NO_DEPENDENCIES}}
-// Microsoft Visual C++ generated include file.
-// Used by Updater.rc
-
-// Next default values for new objects
-// 
-#ifdef APSTUDIO_INVOKED
-#ifndef APSTUDIO_READONLY_SYMBOLS
-#define _APS_NEXT_RESOURCE_VALUE        101
-#define _APS_NEXT_COMMAND_VALUE         40001
-#define _APS_NEXT_CONTROL_VALUE         1001
-#define _APS_NEXT_SYMED_VALUE           101
-#endif
-#endif

Telegram/SourceFiles/api/api_common.h

@@ -0,0 +1,46 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+class History;
+
+namespace Api {
+
+struct SendOptions {
+	TimeId scheduled = 0;
+	bool silent = false;
+	bool handleSupportSwitch = false;
+	bool removeWebPageId = false;
+};
+
+enum class SendType {
+	Normal,
+	Scheduled,
+};
+
+struct SendAction {
+	explicit SendAction(not_null<History*> history) : history(history) {
+	}
+
+	not_null<History*> history;
+	SendOptions options;
+	MsgId replyTo = 0;
+	bool clearDraft = true;
+	bool generateLocal = true;
+};
+
+struct MessageToSend {
+	explicit MessageToSend(not_null<History*> history) : action(history) {
+	}
+
+	SendAction action;
+	TextWithTags textWithTags;
+	WebPageId webPageId = 0;
+};
+
+} // namespace Api

Telegram/SourceFiles/api/api_hash.h

@@ -0,0 +1,42 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+namespace Api {
+
+[[nodiscard]] inline uint32 HashInit() {
+	return 0;
+}
+
+inline void HashUpdate(uint32 &already, uint32 value) {
+	already = (already * 20261) + uint32(value);
+}
+
+inline void HashUpdate(uint32 &already, int32 value) {
+	HashUpdate(already, uint32(value));
+}
+
+inline void HashUpdate(uint32 &already, uint64 value) {
+	HashUpdate(already, uint32(value >> 32));
+	HashUpdate(already, uint32(value & 0xFFFFFFFFULL));
+}
+
+[[nodiscard]] inline int32 HashFinalize(uint32 already) {
+	return int32(already & 0x7FFFFFFF);
+}
+
+template <typename IntRange>
+[[nodiscard]] inline int32 CountHash(IntRange &&range) {
+	auto result = HashInit();
+	for (const auto value : range) {
+		HashUpdate(result, value);
+	}
+	return HashFinalize(result);
+}
+
+} // namespace Api

Telegram/SourceFiles/api/api_sending.cpp

@@ -7,55 +7,55 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "api/api_sending.h"
 
+#include "api/api_text_entities.h"
 #include "base/unixtime.h"
 #include "data/data_document.h"
 #include "data/data_photo.h"
 #include "data/data_channel.h" // ChannelData::addsSignature.
-#include "data/data_user.h" // App::peerName(UserData*).
+#include "data/data_user.h" // UserData::name
 #include "data/data_session.h"
 #include "data/data_file_origin.h"
 #include "history/history.h"
 #include "history/history_message.h" // NewMessageFlags.
+#include "chat_helpers/message_field.h" // ConvertTextTagsToEntities.
 #include "ui/text/text_entity.h" // TextWithEntities.
 #include "main/main_session.h"
 #include "mainwidget.h"
 #include "apiwrap.h"
+#include "app.h"
 
 namespace Api {
 namespace {
 
 template <typename MediaData>
 void SendExistingMedia(
-		not_null<History*> history,
+		Api::MessageToSend &&message,
 		not_null<MediaData*> media,
-		const MTPInputMedia &inputMedia,
-		Data::FileOrigin origin,
-		TextWithEntities caption,
-		MsgId replyToId,
-		bool silent) {
+		Fn<MTPInputMedia()> inputMedia,
+		Data::FileOrigin origin) {
+	const auto history = message.action.history;
 	const auto peer = history->peer;
 	const auto session = &history->session();
 	const auto api = &session->api();
 
-	auto options = ApiWrap::SendOptions(history);
-	options.clearDraft = false;
-	options.replyTo = replyToId;
-	options.generateLocal = true;
-	options.silent = silent;
+	message.action.clearDraft = false;
+	message.action.generateLocal = true;
+	api->sendAction(message.action);
 
-	api->sendAction(options);
-
-	const auto newId = FullMsgId(peerToChannel(peer->id), clientMsgId());
+	const auto newId = FullMsgId(
+		peerToChannel(peer->id),
+		session->data().nextLocalMessageId());
 	const auto randomId = rand_value<uint64>();
 
 	auto flags = NewMessageFlags(peer) | MTPDmessage::Flag::f_media;
+	auto clientFlags = NewMessageClientFlags();
 	auto sendFlags = MTPmessages_SendMedia::Flags(0);
-	if (options.replyTo) {
+	if (message.action.replyTo) {
 		flags |= MTPDmessage::Flag::f_reply_to_msg_id;
 		sendFlags |= MTPmessages_SendMedia::Flag::f_reply_to_msg_id;
 	}
 	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
-	const auto silentPost = options.silent
+	const auto silentPost = message.action.options.silent
 		|| (channelPost && session->data().notifySilentPosts(peer));
 	if (channelPost) {
 		flags |= MTPDmessage::Flag::f_views;
@@ -70,28 +70,38 @@ void SendExistingMedia(
 		sendFlags |= MTPmessages_SendMedia::Flag::f_silent;
 	}
 	auto messageFromId = channelPost ? 0 : session->userId();
-	auto messagePostAuthor = channelPost
-		? App::peerName(session->user())
-		: QString();
+	auto messagePostAuthor = channelPost ? session->user()->name : QString();
 
+	auto caption = TextWithEntities{
+		message.textWithTags.text,
+		TextUtilities::ConvertTextTagsToEntities(message.textWithTags.tags)
+	};
 	TextUtilities::Trim(caption);
-	auto sentEntities = TextUtilities::EntitiesToMTP(
+	auto sentEntities = EntitiesToMTP(
 		caption.entities,
-		TextUtilities::ConvertOption::SkipLocal);
+		ConvertOption::SkipLocal);
 	if (!sentEntities.v.isEmpty()) {
 		sendFlags |= MTPmessages_SendMedia::Flag::f_entities;
 	}
-	const auto replyTo = options.replyTo;
+	const auto replyTo = message.action.replyTo;
 	const auto captionText = caption.text;
 
+	if (message.action.options.scheduled) {
+		flags |= MTPDmessage::Flag::f_from_scheduled;
+		sendFlags |= MTPmessages_SendMedia::Flag::f_schedule_date;
+	} else {
+		clientFlags |= MTPDmessage_ClientFlag::f_local_history_entry;
+	}
+
 	session->data().registerMessageRandomId(randomId, newId);
 
 	history->addNewLocalMessage(
 		newId.msg,
 		flags,
+		clientFlags,
 		0,
 		replyTo,
-		base::unixtime::now(),
+		HistoryItem::NewMessageDate(message.action.options.scheduled),
 		messageFromId,
 		messagePostAuthor,
 		media,
@@ -105,11 +115,12 @@ void SendExistingMedia(
 			MTP_flags(sendFlags),
 			peer->input,
 			MTP_int(replyTo),
-			inputMedia,
+			inputMedia(),
 			MTP_string(captionText),
 			MTP_long(randomId),
 			MTPReplyMarkup(),
-			sentEntities
+			sentEntities,
+			MTP_int(message.action.options.scheduled)
 		)).done([=](const MTPUpdates &result) {
 			api->applyUpdates(result, randomId);
 		}).fail([=](const RPCError &error) {
@@ -124,46 +135,36 @@ void SendExistingMedia(
 				if (media->fileReference() != usedFileReference) {
 					performRequest();
 				} else {
-					api->sendMessageFail(error, peer, newId);
+					api->sendMessageFail(error, peer, randomId, newId);
 				}
 			});
 		} else {
-			api->sendMessageFail(error, peer, newId);
+			api->sendMessageFail(error, peer, randomId, newId);
 		}
 	};
 	performRequest();
 
 	if (const auto main = App::main()) {
-		main->finishForwarding(history, options.silent);
+		main->finishForwarding(message.action);
 	}
 }
 
 } // namespace
 
 void SendExistingDocument(
-		not_null<History*> history,
-		not_null<DocumentData*> document,
-		bool silent) {
-	SendExistingDocument(history, document, {}, 0, silent);
-}
-
-void SendExistingDocument(
-		not_null<History*> history,
-		not_null<DocumentData*> document,
-		TextWithEntities caption,
-		MsgId replyToId,
-		bool silent) {
-	SendExistingMedia(
-		history,
-		document,
-		MTP_inputMediaDocument(
+		Api::MessageToSend &&message,
+		not_null<DocumentData*> document) {
+	const auto inputMedia = [=] {
+		return MTP_inputMediaDocument(
 			MTP_flags(0),
 			document->mtpInput(),
-			MTPint()),
-		document->stickerOrGifOrigin(),
-		caption,
-		replyToId,
-		silent);
+			MTPint());
+	};
+	SendExistingMedia(
+		std::move(message),
+		document,
+		inputMedia,
+		document->stickerOrGifOrigin());
 
 	if (document->sticker()) {
 		if (const auto main = App::main()) {
@@ -174,29 +175,19 @@ void SendExistingDocument(
 }
 
 void SendExistingPhoto(
-		not_null<History*> history,
-		not_null<PhotoData*> photo,
-		bool silent) {
-	SendExistingPhoto(history, photo, {}, 0, silent);
-}
-
-void SendExistingPhoto(
-		not_null<History*> history,
-		not_null<PhotoData*> photo,
-		TextWithEntities caption,
-		MsgId replyToId,
-		bool silent) {
-	SendExistingMedia(
-		history,
-		photo,
-		MTP_inputMediaPhoto(
+		Api::MessageToSend &&message,
+		not_null<PhotoData*> photo) {
+	const auto inputMedia = [=] {
+		return MTP_inputMediaPhoto(
 			MTP_flags(0),
 			photo->mtpInput(),
-			MTPint()),
-		Data::FileOrigin(),
-		caption,
-		replyToId,
-		silent);
+			MTPint());
+	};
+	SendExistingMedia(
+		std::move(message),
+		photo,
+		inputMedia,
+		Data::FileOrigin());
 }
 
 } // namespace Api

Telegram/SourceFiles/api/api_sending.h

@@ -9,32 +9,17 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 class History;
 class DocumentData;
-struct TextWithEntities;
 
 namespace Api {
 
-void SendExistingDocument(
-	not_null<History*> history,
-	not_null<DocumentData*> document,
-	bool silent = false);
+struct MessageToSend;
 
 void SendExistingDocument(
-	not_null<History*> history,
-	not_null<DocumentData*> document,
-	TextWithEntities caption,
-	MsgId replyToId = 0,
-	bool silent = false);
+	Api::MessageToSend &&message,
+	not_null<DocumentData*> document);
 
 void SendExistingPhoto(
-	not_null<History*> history,
-	not_null<PhotoData*> photo,
-	bool silent = false);
-
-void SendExistingPhoto(
-	not_null<History*> history,
-	not_null<PhotoData*> photo,
-	TextWithEntities caption,
-	MsgId replyToId = 0,
-	bool silent = false);
+	Api::MessageToSend &&message,
+	not_null<PhotoData*> photo);
 
 } // namespace Api

Telegram/SourceFiles/api/api_text_entities.cpp

@@ -0,0 +1,129 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "api/api_text_entities.h"
+
+#include "main/main_session.h"
+#include "data/data_session.h"
+#include "data/data_user.h"
+
+namespace Api {
+namespace {
+
+using namespace TextUtilities;
+
+} // namespace
+
+EntitiesInText EntitiesFromMTP(const QVector<MTPMessageEntity> &entities) {
+	auto result = EntitiesInText();
+	if (!entities.isEmpty()) {
+		result.reserve(entities.size());
+		for_const (auto &entity, entities) {
+			switch (entity.type()) {
+			case mtpc_messageEntityUrl: { auto &d = entity.c_messageEntityUrl(); result.push_back({ EntityType::Url, d.voffset().v, d.vlength().v }); } break;
+			case mtpc_messageEntityTextUrl: { auto &d = entity.c_messageEntityTextUrl(); result.push_back({ EntityType::CustomUrl, d.voffset().v, d.vlength().v, Clean(qs(d.vurl())) }); } break;
+			case mtpc_messageEntityEmail: { auto &d = entity.c_messageEntityEmail(); result.push_back({ EntityType::Email, d.voffset().v, d.vlength().v }); } break;
+			case mtpc_messageEntityHashtag: { auto &d = entity.c_messageEntityHashtag(); result.push_back({ EntityType::Hashtag, d.voffset().v, d.vlength().v }); } break;
+			case mtpc_messageEntityCashtag: { auto &d = entity.c_messageEntityCashtag(); result.push_back({ EntityType::Cashtag, d.voffset().v, d.vlength().v }); } break;
+			case mtpc_messageEntityPhone: break; // Skipping phones.
+			case mtpc_messageEntityMention: { auto &d = entity.c_messageEntityMention(); result.push_back({ EntityType::Mention, d.voffset().v, d.vlength().v }); } break;
+			case mtpc_messageEntityMentionName: {
+				auto &d = entity.c_messageEntityMentionName();
+				auto data = [&d] {
+					if (auto user = Auth().data().userLoaded(d.vuser_id().v)) {
+						return MentionNameDataFromFields({
+							d.vuser_id().v,
+							user->accessHash() });
+					}
+					return MentionNameDataFromFields(d.vuser_id().v);
+				};
+				result.push_back({ EntityType::MentionName, d.voffset().v, d.vlength().v, data() });
+			} break;
+			case mtpc_inputMessageEntityMentionName: {
+				auto &d = entity.c_inputMessageEntityMentionName();
+				auto data = ([&d]() -> QString {
+					if (d.vuser_id().type() == mtpc_inputUserSelf) {
+						return MentionNameDataFromFields(Auth().userId());
+					} else if (d.vuser_id().type() == mtpc_inputUser) {
+						auto &user = d.vuser_id().c_inputUser();
+						return MentionNameDataFromFields({ user.vuser_id().v, user.vaccess_hash().v });
+					}
+					return QString();
+				})();
+				if (!data.isEmpty()) {
+					result.push_back({ EntityType::MentionName, d.voffset().v, d.vlength().v, data });
+				}
+			} break;
+			case mtpc_messageEntityBotCommand: { auto &d = entity.c_messageEntityBotCommand(); result.push_back({ EntityType::BotCommand, d.voffset().v, d.vlength().v }); } break;
+			case mtpc_messageEntityBold: { auto &d = entity.c_messageEntityBold(); result.push_back({ EntityType::Bold, d.voffset().v, d.vlength().v }); } break;
+			case mtpc_messageEntityItalic: { auto &d = entity.c_messageEntityItalic(); result.push_back({ EntityType::Italic, d.voffset().v, d.vlength().v }); } break;
+			case mtpc_messageEntityUnderline: { auto &d = entity.c_messageEntityUnderline(); result.push_back({ EntityType::Underline, d.voffset().v, d.vlength().v }); } break;
+			case mtpc_messageEntityStrike: { auto &d = entity.c_messageEntityStrike(); result.push_back({ EntityType::StrikeOut, d.voffset().v, d.vlength().v }); } break;
+			case mtpc_messageEntityCode: { auto &d = entity.c_messageEntityCode(); result.push_back({ EntityType::Code, d.voffset().v, d.vlength().v }); } break;
+			case mtpc_messageEntityPre: { auto &d = entity.c_messageEntityPre(); result.push_back({ EntityType::Pre, d.voffset().v, d.vlength().v, Clean(qs(d.vlanguage())) }); } break;
+				// #TODO entities
+			}
+		}
+	}
+	return result;
+}
+
+MTPVector<MTPMessageEntity> EntitiesToMTP(
+		const EntitiesInText &entities,
+		ConvertOption option) {
+	auto v = QVector<MTPMessageEntity>();
+	v.reserve(entities.size());
+	for_const (auto &entity, entities) {
+		if (entity.length() <= 0) continue;
+		if (option == ConvertOption::SkipLocal
+			&& entity.type() != EntityType::Bold
+			&& entity.type() != EntityType::Italic
+			&& entity.type() != EntityType::Underline
+			&& entity.type() != EntityType::StrikeOut
+			&& entity.type() != EntityType::Code // #TODO entities
+			&& entity.type() != EntityType::Pre
+			&& entity.type() != EntityType::MentionName
+			&& entity.type() != EntityType::CustomUrl) {
+			continue;
+		}
+
+		auto offset = MTP_int(entity.offset());
+		auto length = MTP_int(entity.length());
+		switch (entity.type()) {
+		case EntityType::Url: v.push_back(MTP_messageEntityUrl(offset, length)); break;
+		case EntityType::CustomUrl: v.push_back(MTP_messageEntityTextUrl(offset, length, MTP_string(entity.data()))); break;
+		case EntityType::Email: v.push_back(MTP_messageEntityEmail(offset, length)); break;
+		case EntityType::Hashtag: v.push_back(MTP_messageEntityHashtag(offset, length)); break;
+		case EntityType::Cashtag: v.push_back(MTP_messageEntityCashtag(offset, length)); break;
+		case EntityType::Mention: v.push_back(MTP_messageEntityMention(offset, length)); break;
+		case EntityType::MentionName: {
+			auto inputUser = ([](const QString &data) -> MTPInputUser {
+				auto fields = MentionNameDataToFields(data);
+				if (fields.userId == Auth().userId()) {
+					return MTP_inputUserSelf();
+				} else if (fields.userId) {
+					return MTP_inputUser(MTP_int(fields.userId), MTP_long(fields.accessHash));
+				}
+				return MTP_inputUserEmpty();
+			})(entity.data());
+			if (inputUser.type() != mtpc_inputUserEmpty) {
+				v.push_back(MTP_inputMessageEntityMentionName(offset, length, inputUser));
+			}
+		} break;
+		case EntityType::BotCommand: v.push_back(MTP_messageEntityBotCommand(offset, length)); break;
+		case EntityType::Bold: v.push_back(MTP_messageEntityBold(offset, length)); break;
+		case EntityType::Italic: v.push_back(MTP_messageEntityItalic(offset, length)); break;
+		case EntityType::Underline: v.push_back(MTP_messageEntityUnderline(offset, length)); break;
+		case EntityType::StrikeOut: v.push_back(MTP_messageEntityStrike(offset, length)); break;
+		case EntityType::Code: v.push_back(MTP_messageEntityCode(offset, length)); break; // #TODO entities
+		case EntityType::Pre: v.push_back(MTP_messageEntityPre(offset, length, MTP_string(entity.data()))); break;
+		}
+	}
+	return MTP_vector<MTPMessageEntity>(std::move(v));
+}
+
+} // namespace Api

Telegram/SourceFiles/api/api_text_entities.h

@@ -0,0 +1,23 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "ui/text/text_entity.h"
+
+namespace Api {
+
+EntitiesInText EntitiesFromMTP(const QVector<MTPMessageEntity> &entities);
+enum class ConvertOption {
+	WithLocal,
+	SkipLocal,
+};
+MTPVector<MTPMessageEntity> EntitiesToMTP(
+	const EntitiesInText &entities,
+	ConvertOption option = ConvertOption::WithLocal);
+
+} // namespace Api

Telegram/SourceFiles/apiwrap.cpp

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "apiwrap.h"
 
+#include "api/api_text_entities.h"
 #include "data/data_drafts.h"
 #include "data/data_photo.h"
 #include "data/data_web_page.h"
@@ -15,11 +16,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_media_types.h"
 #include "data/data_sparse_ids.h"
 #include "data/data_search_controller.h"
+#include "data/data_scheduled_messages.h"
 #include "data/data_channel_admins.h"
 #include "data/data_session.h"
 #include "data/data_channel.h"
 #include "data/data_chat.h"
 #include "data/data_user.h"
+#include "data/data_cloud_themes.h"
 #include "dialogs/dialogs_key.h"
 #include "core/core_cloud_password.h"
 #include "core/application.h"
@@ -56,6 +59,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "storage/storage_shared_media.h"
 #include "storage/storage_user_photos.h"
 #include "storage/storage_media_prepare.h"
+#include "facades.h"
+#include "app.h"
 //#include "storage/storage_feed_messages.h" // #feed
 
 namespace {
@@ -156,19 +161,13 @@ MTPVector<MTPDocumentAttribute> ComposeSendingDocumentAttributes(
 
 } // namespace
 
-ApiWrap::SendOptions::SendOptions(not_null<History*> history)
-: history(history) {
-}
-
-ApiWrap::MessageToSend::MessageToSend(not_null<History*> history)
-: history(history) {
-}
-
 MTPInputPrivacyKey ApiWrap::Privacy::Input(Key key) {
 	switch (key) {
 	case Privacy::Key::Calls: return MTP_inputPrivacyKeyPhoneCall();
 	case Privacy::Key::Invites: return MTP_inputPrivacyKeyChatInvite();
 	case Privacy::Key::PhoneNumber: return MTP_inputPrivacyKeyPhoneNumber();
+	case Privacy::Key::AddedByPhone:
+		return MTP_inputPrivacyKeyAddedByPhone();
 	case Privacy::Key::LastSeen:
 		return MTP_inputPrivacyKeyStatusTimestamp();
 	case Privacy::Key::CallsPeer2Peer:
@@ -187,6 +186,8 @@ std::optional<ApiWrap::Privacy::Key> ApiWrap::Privacy::KeyFromMTP(
 	switch (type) {
 	case mtpc_privacyKeyPhoneNumber:
 	case mtpc_inputPrivacyKeyPhoneNumber: return Key::PhoneNumber;
+	case mtpc_privacyKeyAddedByPhone:
+	case mtpc_inputPrivacyKeyAddedByPhone: return Key::AddedByPhone;
 	case mtpc_privacyKeyStatusTimestamp:
 	case mtpc_inputPrivacyKeyStatusTimestamp: return Key::LastSeen;
 	case mtpc_privacyKeyChatInvite:
@@ -544,6 +545,7 @@ void ApiWrap::toggleHistoryArchived(
 void ApiWrap::sendMessageFail(
 		const RPCError &error,
 		not_null<PeerData*> peer,
+		uint64 randomId,
 		FullMsgId itemId) {
 	if (error.type() == qstr("PEER_FLOOD")) {
 		Ui::show(Box<InformBox>(
@@ -561,11 +563,17 @@ void ApiWrap::sendMessageFail(
 		const auto left = error.type().mid(chop).toInt();
 		if (const auto channel = peer->asChannel()) {
 			const auto seconds = channel->slowmodeSeconds();
-			channel->growSlowmodeLastMessage(
-				base::unixtime::now() - (left - seconds));
+			if (seconds >= left) {
+				channel->growSlowmodeLastMessage(
+					base::unixtime::now() - (left - seconds));
+			} else {
+				requestFullPeer(peer);
+			}
 		}
 	}
 	if (const auto item = _session->data().message(itemId)) {
+		Assert(randomId != 0);
+		session().data().unregisterMessageRandomId(randomId);
 		item->sendFailed();
 	}
 }
@@ -2555,9 +2563,9 @@ void ApiWrap::saveDraftsToCloud() {
 		if (!textWithTags.tags.isEmpty()) {
 			flags |= MTPmessages_SaveDraft::Flag::f_entities;
 		}
-		auto entities = TextUtilities::EntitiesToMTP(
-			ConvertTextTagsToEntities(textWithTags.tags),
-			TextUtilities::ConvertOption::SkipLocal);
+		auto entities = Api::EntitiesToMTP(
+			TextUtilities::ConvertTextTagsToEntities(textWithTags.tags),
+			Api::ConvertOption::SkipLocal);
 
 		const auto draftText = textWithTags.text;
 		history->setSentDraftText(draftText);
@@ -2996,7 +3004,13 @@ void ApiWrap::refreshFileReference(
 	};
 	origin.data.match([&](Data::FileOriginMessage data) {
 		if (const auto item = _session->data().message(data)) {
-			if (const auto channel = item->history()->peer->asChannel()) {
+			if (item->isScheduled()) {
+				const auto &scheduled = session().data().scheduledMessages();
+				const auto realId = scheduled.lookupId(item);
+				request(MTPmessages_GetScheduledMessages(
+					item->history()->peer->input,
+					MTP_vector<MTPint>(1, MTP_int(realId))));
+			} else if (const auto channel = item->history()->peer->asChannel()) {
 				request(MTPchannels_GetMessages(
 					channel->inputChannel,
 					MTP_vector<MTPInputMessage>(
@@ -3053,6 +3067,13 @@ void ApiWrap::refreshFileReference(
 			MTP_inputWallPaper(
 				MTP_long(data.paperId),
 				MTP_long(data.accessHash))));
+	}, [&](Data::FileOriginTheme data) {
+		request(MTPaccount_GetTheme(
+			MTP_string(Data::CloudThemes::Format()),
+			MTP_inputTheme(
+				MTP_long(data.themeId),
+				MTP_long(data.accessHash)),
+			MTP_long(0)));
 	}, [&](std::nullopt_t) {
 		fail();
 	});
@@ -3103,6 +3124,7 @@ void ApiWrap::gotWebPages(ChannelData *channel, const MTPmessages_Messages &msgs
 	for (const auto &[position, index] : indices) {
 		const auto item = _session->data().addNewMessage(
 			v->at(index),
+			MTPDmessage_ClientFlags(),
 			NewMessageType::Existing);
 		if (item) {
 			_session->data().requestItemResize(item);
@@ -3548,7 +3570,8 @@ void ApiWrap::applyUpdatesNoPtsCheck(const MTPUpdates &updates) {
 	switch (updates.type()) {
 	case mtpc_updateShortMessage: {
 		const auto &d = updates.c_updateShortMessage();
-		const auto flags = mtpCastFlags(d.vflags().v) | MTPDmessage::Flag::f_from_id;
+		const auto flags = mtpCastFlags(d.vflags().v)
+			| MTPDmessage::Flag::f_from_id;
 		const auto peerUserId = d.is_out()
 			? d.vuser_id()
 			: MTP_int(_session->userId());
@@ -3570,7 +3593,10 @@ void ApiWrap::applyUpdatesNoPtsCheck(const MTPUpdates &updates) {
 				MTPint(),
 				MTPint(),
 				MTPstring(),
-				MTPlong()),
+				MTPlong(),
+				//MTPMessageReactions(),
+				MTPVector<MTPRestrictionReason>()),
+			MTPDmessage_ClientFlags(),
 			NewMessageType::Unread);
 	} break;
 
@@ -3595,7 +3621,10 @@ void ApiWrap::applyUpdatesNoPtsCheck(const MTPUpdates &updates) {
 				MTPint(),
 				MTPint(),
 				MTPstring(),
-				MTPlong()),
+				MTPlong(),
+				//MTPMessageReactions(),
+				MTPVector<MTPRestrictionReason>()),
+			MTPDmessage_ClientFlags(),
 			NewMessageType::Unread);
 	} break;
 
@@ -3620,7 +3649,10 @@ void ApiWrap::applyUpdateNoPtsCheck(const MTPUpdate &update) {
 			}
 		}
 		if (needToAdd) {
-			_session->data().addNewMessage(d.vmessage(), NewMessageType::Unread);
+			_session->data().addNewMessage(
+				d.vmessage(),
+				MTPDmessage_ClientFlags(),
+				NewMessageType::Unread);
 		}
 	} break;
 
@@ -3709,7 +3741,10 @@ void ApiWrap::applyUpdateNoPtsCheck(const MTPUpdate &update) {
 			}
 		}
 		if (needToAdd) {
-			_session->data().addNewMessage(d.vmessage(), NewMessageType::Unread);
+			_session->data().addNewMessage(
+				d.vmessage(),
+				MTPDmessage_ClientFlags(),
+				NewMessageType::Unread);
 		}
 	} break;
 
@@ -4368,15 +4403,15 @@ void ApiWrap::userPhotosDone(
 //	)).send();
 //}
 
-void ApiWrap::sendAction(const SendOptions &options) {
-	readServerHistory(options.history);
-	options.history->getReadyFor(ShowAtTheEndMsgId);
-	_sendActions.fire_copy(options);
+void ApiWrap::sendAction(const SendAction &action) {
+	readServerHistory(action.history);
+	action.history->getReadyFor(ShowAtTheEndMsgId);
+	_sendActions.fire_copy(action);
 }
 
 void ApiWrap::forwardMessages(
 		HistoryItemsList &&items,
-		const SendOptions &options,
+		const SendAction &action,
 		FnMut<void()> &&successCallback) {
 	Expects(!items.empty());
 
@@ -4392,17 +4427,18 @@ void ApiWrap::forwardMessages(
 	}
 
 	const auto count = int(items.size());
-	const auto genClientSideMessage = options.generateLocal && (count < 2);
-	const auto history = options.history;
+	const auto genClientSideMessage = action.generateLocal && (count < 2);
+	const auto history = action.history;
 	const auto peer = history->peer;
 
 	readServerHistory(history);
 
 	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
-	const auto silentPost = options.silent
+	const auto silentPost = action.options.silent
 		|| (channelPost && _session->data().notifySilentPosts(peer));
 
 	auto flags = MTPDmessage::Flags(0);
+	auto clientFlags = MTPDmessage_ClientFlags();
 	auto sendFlags = MTPmessages_ForwardMessages::Flags(0);
 	if (channelPost) {
 		flags |= MTPDmessage::Flag::f_views;
@@ -4416,12 +4452,18 @@ void ApiWrap::forwardMessages(
 	if (silentPost) {
 		sendFlags |= MTPmessages_ForwardMessages::Flag::f_silent;
 	}
+	if (action.options.scheduled) {
+		flags |= MTPDmessage::Flag::f_from_scheduled;
+		sendFlags |= MTPmessages_ForwardMessages::Flag::f_schedule_date;
+	} else {
+		clientFlags |= MTPDmessage_ClientFlag::f_local_history_entry;
+	}
 
 	auto forwardFrom = items.front()->history()->peer;
 	auto currentGroupId = items.front()->groupId();
 	auto ids = QVector<MTPint>();
 	auto randomIds = QVector<MTPlong>();
-	auto localIds = std::unique_ptr<std::vector<FullMsgId>>();
+	auto localIds = std::unique_ptr<base::flat_map<uint64, FullMsgId>>();
 
 	const auto sendAccumulated = [&] {
 		if (shared) {
@@ -4436,7 +4478,8 @@ void ApiWrap::forwardMessages(
 			forwardFrom->input,
 			MTP_vector<MTPint>(ids),
 			MTP_vector<MTPlong>(randomIds),
-			peer->input
+			peer->input,
+			MTP_int(action.options.scheduled)
 		)).done([=, callback = std::move(successCallback)](
 				const MTPUpdates &updates) {
 			applyUpdates(updates);
@@ -4445,8 +4488,8 @@ void ApiWrap::forwardMessages(
 			}
 		}).fail([=, ids = std::move(localIds)](const RPCError &error) {
 			if (ids) {
-				for (const auto &itemId : *ids) {
-					sendMessageFail(error, peer, itemId);
+				for (const auto &[randomId, itemId] : *ids) {
+					sendMessageFail(error, peer, randomId, itemId);
 				}
 			} else {
 				sendMessageFail(error, peer);
@@ -4463,31 +4506,32 @@ void ApiWrap::forwardMessages(
 	ids.reserve(count);
 	randomIds.reserve(count);
 	for (const auto item : items) {
-		auto randomId = rand_value<uint64>();
+		const auto randomId = rand_value<uint64>();
 		if (genClientSideMessage) {
 			if (const auto message = item->toHistoryMessage()) {
 				const auto newId = FullMsgId(
 					peerToChannel(peer->id),
-					clientMsgId());
+					session().data().nextLocalMessageId());
 				const auto self = _session->user();
 				const auto messageFromId = channelPost
 					? UserId(0)
 					: peerToUser(self->id);
 				const auto messagePostAuthor = channelPost
-					? App::peerName(self)
+					? self->name
 					: QString();
 				history->addNewLocalMessage(
 					newId.msg,
 					flags,
-					base::unixtime::now(),
+					clientFlags,
+					HistoryItem::NewMessageDate(action.options.scheduled),
 					messageFromId,
 					messagePostAuthor,
 					message);
 				_session->data().registerMessageRandomId(randomId, newId);
 				if (!localIds) {
-					localIds = std::make_unique<std::vector<FullMsgId>>();
+					localIds = std::make_unique<base::flat_map<uint64, FullMsgId>>();
 				}
-				localIds->push_back(newId);
+				localIds->emplace(randomId, newId);
 			}
 		}
 		const auto newFrom = item->history()->peer;
@@ -4509,14 +4553,14 @@ void ApiWrap::shareContact(
 		const QString &phone,
 		const QString &firstName,
 		const QString &lastName,
-		const SendOptions &options) {
+		const SendAction &action) {
 	const auto userId = UserId(0);
-	sendSharedContact(phone, firstName, lastName, userId, options);
+	sendSharedContact(phone, firstName, lastName, userId, action);
 }
 
 void ApiWrap::shareContact(
 		not_null<UserData*> user,
-		const SendOptions &options) {
+		const SendAction &action) {
 	const auto userId = peerToUser(user->id);
 	const auto phone = _session->data().findContactPhone(user);
 	if (phone.isEmpty()) {
@@ -4527,7 +4571,7 @@ void ApiWrap::shareContact(
 		user->firstName,
 		user->lastName,
 		userId,
-		options);
+		action);
 }
 
 void ApiWrap::sendSharedContact(
@@ -4535,17 +4579,20 @@ void ApiWrap::sendSharedContact(
 		const QString &firstName,
 		const QString &lastName,
 		UserId userId,
-		const SendOptions &options) {
-	sendAction(options);
+		const SendAction &action) {
+	sendAction(action);
 
-	const auto history = options.history;
+	const auto history = action.history;
 	const auto peer = history->peer;
 
-	const auto newId = FullMsgId(history->channelId(), clientMsgId());
+	const auto newId = FullMsgId(
+		history->channelId(),
+		session().data().nextLocalMessageId());
 	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
 
 	auto flags = NewMessageFlags(peer) | MTPDmessage::Flag::f_media;
-	if (options.replyTo) {
+	auto clientFlags = NewMessageClientFlags();
+	if (action.replyTo) {
 		flags |= MTPDmessage::Flag::f_reply_to_msg_id;
 	}
 	if (channelPost) {
@@ -4557,9 +4604,14 @@ void ApiWrap::sendSharedContact(
 	} else {
 		flags |= MTPDmessage::Flag::f_from_id;
 	}
+	if (action.options.scheduled) {
+		flags |= MTPDmessage::Flag::f_from_scheduled;
+	} else {
+		clientFlags |= MTPDmessage_ClientFlag::f_local_history_entry;
+	}
 	const auto messageFromId = channelPost ? 0 : _session->userId();
 	const auto messagePostAuthor = channelPost
-		? App::peerName(_session->user())
+		? _session->user()->name
 		: QString();
 	const auto vcard = QString();
 	const auto views = 1;
@@ -4571,8 +4623,8 @@ void ApiWrap::sendSharedContact(
 			peerToMTP(peer->id),
 			MTPMessageFwdHeader(),
 			MTPint(),
-			MTP_int(options.replyTo),
-			MTP_int(base::unixtime::now()),
+			MTP_int(action.replyTo),
+			MTP_int(HistoryItem::NewMessageDate(action.options.scheduled)),
 			MTP_string(),
 			MTP_messageMediaContact(
 				MTP_string(phone),
@@ -4585,7 +4637,10 @@ void ApiWrap::sendSharedContact(
 			MTP_int(views),
 			MTPint(),
 			MTP_string(messagePostAuthor),
-			MTPlong()),
+			MTPlong(),
+			//MTPMessageReactions(),
+			MTPVector<MTPRestrictionReason>()),
+		clientFlags,
 		NewMessageType::Unread);
 
 	const auto media = MTP_inputMediaContact(
@@ -4593,7 +4648,9 @@ void ApiWrap::sendSharedContact(
 		MTP_string(firstName),
 		MTP_string(lastName),
 		MTP_string(vcard));
-	sendMedia(item, media, _session->data().notifySilentPosts(peer));
+	auto options = action.options;
+	options.silent = _session->data().notifySilentPosts(peer);
+	sendMedia(item, media, options);
 
 	if (const auto main = App::main()) {
 		_session->data().sendHistoryChangeNotifications();
@@ -4606,9 +4663,9 @@ void ApiWrap::sendVoiceMessage(
 		QByteArray result,
 		VoiceWaveform waveform,
 		int duration,
-		const SendOptions &options) {
+		const SendAction &action) {
 	const auto caption = TextWithTags();
-	const auto to = fileLoadTaskOptions(options);
+	const auto to = fileLoadTaskOptions(action);
 	_fileLoader->addTask(std::make_unique<FileLoadTask>(
 		result,
 		duration,
@@ -4621,12 +4678,12 @@ void ApiWrap::editMedia(
 		Storage::PreparedList &&list,
 		SendMediaType type,
 		TextWithTags &&caption,
-		const SendOptions &options,
+		const SendAction &action,
 		MsgId msgIdToEdit) {
 	if (list.files.empty()) return;
 
 	auto &file = list.files.front();
-	const auto to = fileLoadTaskOptions(options);
+	const auto to = fileLoadTaskOptions(action);
 	_fileLoader->addTask(std::make_unique<FileLoadTask>(
 		file.path,
 		file.content,
@@ -4643,22 +4700,22 @@ void ApiWrap::sendFiles(
 		SendMediaType type,
 		TextWithTags &&caption,
 		std::shared_ptr<SendingAlbum> album,
-		const SendOptions &options) {
+		const SendAction &action) {
 	const auto haveCaption = !caption.text.isEmpty();
 	const auto isAlbum = (album != nullptr);
 	const auto compressImages = (type == SendMediaType::Photo);
 	if (haveCaption && !list.canAddCaption(isAlbum, compressImages)) {
-		auto message = MessageToSend(options.history);
+		auto message = MessageToSend(action.history);
 		message.textWithTags = std::move(caption);
-		message.replyTo = options.replyTo;
-		message.clearDraft = false;
+		message.action = action;
+		message.action.clearDraft = false;
 		sendMessage(std::move(message));
 		caption = TextWithTags();
 	}
 
-	const auto to = fileLoadTaskOptions(options);
+	const auto to = fileLoadTaskOptions(action);
 	if (album) {
-		album->silent = to.silent;
+		album->options = to.options;
 	}
 	auto tasks = std::vector<std::unique_ptr<Task>>();
 	tasks.reserve(list.files.size());
@@ -4697,8 +4754,8 @@ void ApiWrap::sendFiles(
 void ApiWrap::sendFile(
 		const QByteArray &fileContent,
 		SendMediaType type,
-		const SendOptions &options) {
-	const auto to = fileLoadTaskOptions(options);
+		const SendAction &action) {
+	const auto to = fileLoadTaskOptions(action);
 	auto caption = TextWithTags();
 	_fileLoader->addTask(std::make_unique<FileLoadTask>(
 		QString(),
@@ -4712,7 +4769,7 @@ void ApiWrap::sendFile(
 void ApiWrap::sendUploadedPhoto(
 		FullMsgId localId,
 		const MTPInputFile &file,
-		bool silent) {
+		Api::SendOptions options) {
 	if (const auto item = _session->data().message(localId)) {
 		const auto media = MTP_inputMediaUploadedPhoto(
 			MTP_flags(0),
@@ -4722,7 +4779,7 @@ void ApiWrap::sendUploadedPhoto(
 		if (const auto groupId = item->groupId()) {
 			uploadAlbumMedia(item, groupId, media);
 		} else {
-			sendMedia(item, media, silent);
+			sendMedia(item, media, options);
 		}
 	}
 }
@@ -4731,7 +4788,7 @@ void ApiWrap::sendUploadedDocument(
 		FullMsgId localId,
 		const MTPInputFile &file,
 		const std::optional<MTPInputFile> &thumb,
-		bool silent) {
+		Api::SendOptions options) {
 	if (const auto item = _session->data().message(localId)) {
 		auto media = item->media();
 		if (auto document = media ? media->document() : nullptr) {
@@ -4754,7 +4811,7 @@ void ApiWrap::sendUploadedDocument(
 			if (groupId) {
 				uploadAlbumMedia(item, groupId, media);
 			} else {
-				sendMedia(item, media, silent);
+				sendMedia(item, media, options);
 			}
 		}
 	}
@@ -4764,7 +4821,7 @@ void ApiWrap::editUploadedFile(
 		FullMsgId localId,
 		const MTPInputFile &file,
 		const std::optional<MTPInputFile> &thumb,
-		bool silent,
+		Api::SendOptions options,
 		bool isDocument) {
 	const auto item = _session->data().message(localId);
 	if (!item) {
@@ -4774,9 +4831,9 @@ void ApiWrap::editUploadedFile(
 		return;
 	}
 
-	auto sentEntities = TextUtilities::EntitiesToMTP(
+	auto sentEntities = Api::EntitiesToMTP(
 		item->originalText().entities,
-		TextUtilities::ConvertOption::SkipLocal);
+		Api::ConvertOption::SkipLocal);
 
 	auto flagsEditMsg = MTPmessages_EditMessage::Flag::f_message | 0;
 	flagsEditMsg |= MTPmessages_EditMessage::Flag::f_no_webpage;
@@ -4829,7 +4886,8 @@ void ApiWrap::editUploadedFile(
 		MTP_string(item->originalText().text),
 		*media,
 		MTPReplyMarkup(),
-		sentEntities
+		sentEntities,
+		MTP_int(0) // schedule_date
 	)).done([=](const MTPUpdates &result) {
 		item->clearSavedMedia();
 		item->setIsLocalUpdateMedia(true);
@@ -4861,18 +4919,13 @@ void ApiWrap::cancelLocalItem(not_null<HistoryItem*> item) {
 }
 
 void ApiWrap::sendMessage(MessageToSend &&message) {
-	const auto history = message.history;
+	const auto history = message.action.history;
 	const auto peer = history->peer;
 	auto &textWithTags = message.textWithTags;
 
-	auto options = ApiWrap::SendOptions(history);
-	options.clearDraft = message.clearDraft;
-	options.replyTo = message.replyTo;
-	options.silent = message.silent;
-	options.generateLocal = true;
-	options.webPageId = message.webPageId;
-	options.handleSupportSwitch = message.handleSupportSwitch;
-	sendAction(options);
+	auto action = message.action;
+	action.generateLocal = true;
+	sendAction(action);
 
 	if (!peer->canWrite()) {
 		return;
@@ -4882,7 +4935,7 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 	auto sending = TextWithEntities();
 	auto left = TextWithEntities {
 		textWithTags.text,
-		ConvertTextTagsToEntities(textWithTags.tags)
+		TextUtilities::ConvertTextTagsToEntities(textWithTags.tags)
 	};
 	auto prepareFlags = Ui::ItemTextOptions(
 		history,
@@ -4892,7 +4945,9 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 	HistoryItem *lastMessage = nullptr;
 
 	while (TextUtilities::CutPart(sending, left, MaxMessageSize)) {
-		auto newId = FullMsgId(peerToChannel(peer->id), clientMsgId());
+		auto newId = FullMsgId(
+			peerToChannel(peer->id),
+			session().data().nextLocalMessageId());
 		auto randomId = rand_value<uint64>();
 
 		TextUtilities::Trim(sending);
@@ -4902,8 +4957,9 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 
 		MTPstring msgText(MTP_string(sending.text));
 		auto flags = NewMessageFlags(peer) | MTPDmessage::Flag::f_entities;
+		auto clientFlags = NewMessageClientFlags();
 		auto sendFlags = MTPmessages_SendMessage::Flags(0);
-		if (message.replyTo) {
+		if (action.replyTo) {
 			flags |= MTPDmessage::Flag::f_reply_to_msg_id;
 			sendFlags |= MTPmessages_SendMessage::Flag::f_reply_to_msg_id;
 		}
@@ -4919,7 +4975,7 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 			flags |= MTPDmessage::Flag::f_media;
 		}
 		const auto channelPost = peer->isChannel() && !peer->isMegagroup();
-		const auto silentPost = message.silent
+		const auto silentPost = action.options.silent
 			|| (channelPost && _session->data().notifySilentPosts(peer));
 		if (channelPost) {
 			flags |= MTPDmessage::Flag::f_views;
@@ -4933,20 +4989,28 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 		if (silentPost) {
 			sendFlags |= MTPmessages_SendMessage::Flag::f_silent;
 		}
-		auto localEntities = TextUtilities::EntitiesToMTP(sending.entities);
-		auto sentEntities = TextUtilities::EntitiesToMTP(sending.entities, TextUtilities::ConvertOption::SkipLocal);
+		auto localEntities = Api::EntitiesToMTP(sending.entities);
+		auto sentEntities = Api::EntitiesToMTP(
+			sending.entities,
+			Api::ConvertOption::SkipLocal);
 		if (!sentEntities.v.isEmpty()) {
 			sendFlags |= MTPmessages_SendMessage::Flag::f_entities;
 		}
-		if (message.clearDraft) {
+		if (action.clearDraft) {
 			sendFlags |= MTPmessages_SendMessage::Flag::f_clear_draft;
 			history->clearCloudDraft();
 			history->setSentDraftText(QString());
 		}
 		auto messageFromId = channelPost ? 0 : _session->userId();
 		auto messagePostAuthor = channelPost
-			? App::peerName(_session->user())
+			? _session->user()->name
 			: QString();
+		if (action.options.scheduled) {
+			flags |= MTPDmessage::Flag::f_from_scheduled;
+			sendFlags |= MTPmessages_SendMessage::Flag::f_schedule_date;
+		} else {
+			clientFlags |= MTPDmessage_ClientFlag::f_local_history_entry;
+		}
 		lastMessage = history->addNewMessage(
 			MTP_message(
 				MTP_flags(flags),
@@ -4955,8 +5019,9 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 				peerToMTP(peer->id),
 				MTPMessageFwdHeader(),
 				MTPint(),
-				MTP_int(message.replyTo),
-				MTP_int(base::unixtime::now()),
+				MTP_int(action.replyTo),
+				MTP_int(
+					HistoryItem::NewMessageDate(action.options.scheduled)),
 				msgText,
 				media,
 				MTPReplyMarkup(),
@@ -4964,16 +5029,20 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 				MTP_int(1),
 				MTPint(),
 				MTP_string(messagePostAuthor),
-				MTPlong()),
+				MTPlong(),
+				//MTPMessageReactions(),
+				MTPVector<MTPRestrictionReason>()),
+			clientFlags,
 			NewMessageType::Unread);
 		history->sendRequestId = request(MTPmessages_SendMessage(
 			MTP_flags(sendFlags),
 			peer->input,
-			MTP_int(message.replyTo),
+			MTP_int(action.replyTo),
 			msgText,
 			MTP_long(randomId),
 			MTPReplyMarkup(),
-			sentEntities
+			sentEntities,
+			MTP_int(action.options.scheduled)
 		)).done([=](const MTPUpdates &result) {
 			applyUpdates(result, randomId);
 			history->clearSentDraftText(QString());
@@ -4981,7 +5050,7 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 			if (error.type() == qstr("MESSAGE_EMPTY")) {
 				lastMessage->destroy();
 			} else {
-				sendMessageFail(error, peer, newId);
+				sendMessageFail(error, peer, randomId, newId);
 			}
 			history->clearSentDraftText(QString());
 		}).afterRequest(history->sendRequestId
@@ -4989,7 +5058,7 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 	}
 
 	if (const auto main = App::main()) {
-		main->finishForwarding(history, message.silent);
+		main->finishForwarding(action);
 	}
 }
 
@@ -5028,22 +5097,25 @@ void ApiWrap::sendBotStart(not_null<UserData*> bot, PeerData *chat) {
 void ApiWrap::sendInlineResult(
 		not_null<UserData*> bot,
 		not_null<InlineBots::Result*> data,
-		const SendOptions &options) {
-	sendAction(options);
+		const SendAction &action) {
+	sendAction(action);
 
-	const auto history = options.history;
+	const auto history = action.history;
 	const auto peer = history->peer;
-	const auto newId = FullMsgId(peerToChannel(peer->id), clientMsgId());
+	const auto newId = FullMsgId(
+		peerToChannel(peer->id),
+		session().data().nextLocalMessageId());
 	const auto randomId = rand_value<uint64>();
 
 	auto flags = NewMessageFlags(peer) | MTPDmessage::Flag::f_media;
+	auto clientFlags = NewMessageClientFlags();
 	auto sendFlags = MTPmessages_SendInlineBotResult::Flag::f_clear_draft | 0;
-	if (options.replyTo) {
+	if (action.replyTo) {
 		flags |= MTPDmessage::Flag::f_reply_to_msg_id;
 		sendFlags |= MTPmessages_SendInlineBotResult::Flag::f_reply_to_msg_id;
 	}
 	bool channelPost = peer->isChannel() && !peer->isMegagroup();
-	bool silentPost = options.silent
+	bool silentPost = action.options.silent
 		|| (channelPost && _session->data().notifySilentPosts(peer));
 	if (channelPost) {
 		flags |= MTPDmessage::Flag::f_views;
@@ -5060,25 +5132,29 @@ void ApiWrap::sendInlineResult(
 	if (bot) {
 		flags |= MTPDmessage::Flag::f_via_bot_id;
 	}
+	if (action.options.scheduled) {
+		flags |= MTPDmessage::Flag::f_from_scheduled;
+		sendFlags |= MTPmessages_SendInlineBotResult::Flag::f_schedule_date;
+	} else {
+		clientFlags |= MTPDmessage_ClientFlag::f_local_history_entry;
+	}
 
-	auto messageFromId = channelPost ? 0 : _session->userId();
-	auto messagePostAuthor = channelPost
-		? App::peerName(_session->user())
+	const auto messageFromId = channelPost ? 0 : _session->userId();
+	const auto messagePostAuthor = channelPost
+		? _session->user()->name
 		: QString();
-	MTPint messageDate = MTP_int(base::unixtime::now());
-	UserId messageViaBotId = bot ? peerToUser(bot->id) : 0;
-	MsgId messageId = newId.msg;
 
 	_session->data().registerMessageRandomId(randomId, newId);
 
 	data->addToHistory(
 		history,
 		flags,
-		messageId,
+		clientFlags,
+		newId.msg,
 		messageFromId,
-		messageDate,
-		messageViaBotId,
-		options.replyTo,
+		MTP_int(HistoryItem::NewMessageDate(action.options.scheduled)),
+		bot ? peerToUser(bot->id) : 0,
+		action.replyTo,
 		messagePostAuthor);
 
 	history->clearCloudDraft();
@@ -5087,21 +5163,22 @@ void ApiWrap::sendInlineResult(
 	history->sendRequestId = request(MTPmessages_SendInlineBotResult(
 		MTP_flags(sendFlags),
 		peer->input,
-		MTP_int(options.replyTo),
+		MTP_int(action.replyTo),
 		MTP_long(randomId),
 		MTP_long(data->getQueryId()),
-		MTP_string(data->getId())
+		MTP_string(data->getId()),
+		MTP_int(action.options.scheduled)
 	)).done([=](const MTPUpdates &result) {
 		applyUpdates(result, randomId);
 		history->clearSentDraftText(QString());
 	}).fail([=](const RPCError &error) {
-		sendMessageFail(error, peer, newId);
+		sendMessageFail(error, peer, randomId, newId);
 		history->clearSentDraftText(QString());
 	}).afterRequest(history->sendRequestId
 	).send();
 
 	if (const auto main = App::main()) {
-		main->finishForwarding(history, options.silent);
+		main->finishForwarding(action);
 	}
 }
 
@@ -5183,36 +5260,39 @@ void ApiWrap::uploadAlbumMedia(
 void ApiWrap::sendMedia(
 		not_null<HistoryItem*> item,
 		const MTPInputMedia &media,
-		bool silent) {
+		Api::SendOptions options) {
 	const auto randomId = rand_value<uint64>();
 	_session->data().registerMessageRandomId(randomId, item->fullId());
 
-	sendMediaWithRandomId(item, media, silent, randomId);
+	sendMediaWithRandomId(item, media, options, randomId);
 }
 
 void ApiWrap::sendMediaWithRandomId(
 		not_null<HistoryItem*> item,
 		const MTPInputMedia &media,
-		bool silent,
+		Api::SendOptions options,
 		uint64 randomId) {
 	const auto history = item->history();
 	const auto replyTo = item->replyToId();
 
 	auto caption = item->originalText();
 	TextUtilities::Trim(caption);
-	auto sentEntities = TextUtilities::EntitiesToMTP(
+	auto sentEntities = Api::EntitiesToMTP(
 		caption.entities,
-		TextUtilities::ConvertOption::SkipLocal);
+		Api::ConvertOption::SkipLocal);
 
 	const auto flags = MTPmessages_SendMedia::Flags(0)
 		| (replyTo
 			? MTPmessages_SendMedia::Flag::f_reply_to_msg_id
 			: MTPmessages_SendMedia::Flag(0))
-		| (silent
+		| (options.silent
 			? MTPmessages_SendMedia::Flag::f_silent
 			: MTPmessages_SendMedia::Flag(0))
 		| (!sentEntities.v.isEmpty()
 			? MTPmessages_SendMedia::Flag::f_entities
+			: MTPmessages_SendMedia::Flag(0))
+		| (options.scheduled
+			? MTPmessages_SendMedia::Flag::f_schedule_date
 			: MTPmessages_SendMedia::Flag(0));
 
 	const auto peer = history->peer;
@@ -5225,11 +5305,12 @@ void ApiWrap::sendMediaWithRandomId(
 		MTP_string(caption.text),
 		MTP_long(randomId),
 		MTPReplyMarkup(),
-		sentEntities
+		sentEntities,
+		MTP_int(options.scheduled)
 	)).done([=](const MTPUpdates &result) {
 		applyUpdates(result);
 	}).fail([=](const RPCError &error) {
-		sendMessageFail(error, peer, itemId);
+		sendMessageFail(error, peer, randomId, itemId);
 	}).afterRequest(
 		history->sendRequestId
 	).send();
@@ -5293,7 +5374,7 @@ void ApiWrap::sendAlbumIfReady(not_null<SendingAlbum*> album) {
 		sendMediaWithRandomId(
 			sample,
 			single.vmedia(),
-			album->silent,
+			album->options,
 			single.vrandom_id().v);
 		_sendingAlbums.remove(groupId);
 		return;
@@ -5304,22 +5385,26 @@ void ApiWrap::sendAlbumIfReady(not_null<SendingAlbum*> album) {
 		| (replyTo
 			? MTPmessages_SendMultiMedia::Flag::f_reply_to_msg_id
 			: MTPmessages_SendMultiMedia::Flag(0))
-		| (album->silent
+		| (album->options.silent
 			? MTPmessages_SendMultiMedia::Flag::f_silent
+			: MTPmessages_SendMultiMedia::Flag(0))
+		| (album->options.scheduled
+			? MTPmessages_SendMultiMedia::Flag::f_schedule_date
 			: MTPmessages_SendMultiMedia::Flag(0));
 	const auto peer = history->peer;
 	history->sendRequestId = request(MTPmessages_SendMultiMedia(
 		MTP_flags(flags),
 		peer->input,
 		MTP_int(replyTo),
-		MTP_vector<MTPInputSingleMedia>(medias)
+		MTP_vector<MTPInputSingleMedia>(medias),
+		MTP_int(album->options.scheduled)
 	)).done([=](const MTPUpdates &result) {
 		_sendingAlbums.remove(groupId);
 		applyUpdates(result);
 	}).fail([=](const RPCError &error) {
 		if (const auto album = _sendingAlbums.take(groupId)) {
 			for (const auto &item : (*album)->items) {
-				sendMessageFail(error, peer, item.msgId);
+				sendMessageFail(error, peer, item.randomId, item.msgId);
 			}
 		} else {
 			sendMessageFail(error, peer);
@@ -5329,36 +5414,22 @@ void ApiWrap::sendAlbumIfReady(not_null<SendingAlbum*> album) {
 	).send();
 }
 
-FileLoadTo ApiWrap::fileLoadTaskOptions(const SendOptions &options) const {
-	const auto peer = options.history->peer;
-	return FileLoadTo(
-		peer->id,
-		options.silent || _session->data().notifySilentPosts(peer),
-		options.replyTo);
-}
-
-void ApiWrap::requestSupportContact(FnMut<void(const MTPUser &)> callback) {
-	_supportContactCallbacks.push_back(std::move(callback));
-	if (_supportContactCallbacks.size() > 1) {
-		return;
+FileLoadTo ApiWrap::fileLoadTaskOptions(const SendAction &action) const {
+	const auto peer = action.history->peer;
+	auto options = action.options;
+	if (_session->data().notifySilentPosts(peer)) {
+		options.silent = true;
 	}
-	request(MTPhelp_GetSupport(
-	)).done([=](const MTPhelp_Support &result) {
-		result.match([&](const MTPDhelp_support &data) {
-			for (auto &handler : base::take(_supportContactCallbacks)) {
-				handler(data.vuser());
-			}
-		});
-	}).fail([=](const RPCError &error) {
-		_supportContactCallbacks.clear();
-	}).send();
+	return FileLoadTo(peer->id, action.options, action.replyTo);
 }
 
 void ApiWrap::uploadPeerPhoto(not_null<PeerData*> peer, QImage &&image) {
 	peer = peer->migrateToOrMe();
 	const auto ready = PreparePeerPhoto(peer->id, std::move(image));
 
-	const auto fakeId = FullMsgId(peerToChannel(peer->id), clientMsgId());
+	const auto fakeId = FullMsgId(
+		peerToChannel(peer->id),
+		session().data().nextLocalMessageId());
 	const auto already = ranges::find(
 		_peerPhotoUploads,
 		peer,
@@ -5766,30 +5837,33 @@ void ApiWrap::setSelfDestructDays(int days) {
 
 void ApiWrap::createPoll(
 		const PollData &data,
-		const SendOptions &options,
+		const SendAction &action,
 		FnMut<void()> done,
 		FnMut<void(const RPCError &error)> fail) {
-	sendAction(options);
+	sendAction(action);
 
-	const auto history = options.history;
+	const auto history = action.history;
 	const auto peer = history->peer;
 	auto sendFlags = MTPmessages_SendMedia::Flags(0);
-	if (options.replyTo) {
+	if (action.replyTo) {
 		sendFlags |= MTPmessages_SendMedia::Flag::f_reply_to_msg_id;
 	}
-	if (options.clearDraft) {
+	if (action.clearDraft) {
 		sendFlags |= MTPmessages_SendMedia::Flag::f_clear_draft;
 		history->clearLocalDraft();
 		history->clearCloudDraft();
 	}
 	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
-	const auto silentPost = options.silent
+	const auto silentPost = action.options.silent
 		|| (channelPost && _session->data().notifySilentPosts(peer));
 	if (silentPost) {
 		sendFlags |= MTPmessages_SendMedia::Flag::f_silent;
 	}
+	if (action.options.scheduled) {
+		sendFlags |= MTPmessages_SendMedia::Flag::f_schedule_date;
+	}
 
-	const auto replyTo = options.replyTo;
+	const auto replyTo = action.replyTo;
 	history->sendRequestId = request(MTPmessages_SendMedia(
 		MTP_flags(sendFlags),
 		peer->input,
@@ -5798,7 +5872,8 @@ void ApiWrap::createPoll(
 		MTP_string(),
 		MTP_long(rand_value<uint64>()),
 		MTPReplyMarkup(),
-		MTPVector<MTPMessageEntity>()
+		MTPVector<MTPMessageEntity>(),
+		MTP_int(action.options.scheduled)
 	)).done([=, done = std::move(done)](const MTPUpdates &result) mutable {
 		applyUpdates(result);
 		done();
@@ -5874,7 +5949,8 @@ void ApiWrap::closePoll(not_null<HistoryItem*> item) {
 		MTPstring(),
 		MTP_inputMediaPoll(PollDataToMTP(poll)),
 		MTPReplyMarkup(),
-		MTPVector<MTPMessageEntity>()
+		MTPVector<MTPMessageEntity>(),
+		MTP_int(0) // schedule_date
 	)).done([=](const MTPUpdates &result) {
 		_pollCloseRequestIds.erase(itemId);
 		applyUpdates(result);

Telegram/SourceFiles/apiwrap.h

@@ -7,7 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#include <rpl/event_stream.h>
+#include "api/api_common.h"
 #include "base/timer.h"
 #include "base/flat_map.h"
 #include "base/flat_set.h"
@@ -65,15 +65,6 @@ inline QString ToString(uint64 value) {
 
 } // namespace details
 
-template <typename IntRange>
-inline int32 CountHash(IntRange &&range) {
-	uint32 acc = 0;
-	for (auto value : range) {
-		acc += (acc * 20261) + uint32(value);
-	}
-	return int32(acc & 0x7FFFFFFF);
-}
-
 template <
 	typename ...Types,
 	typename = std::enable_if_t<(sizeof...(Types) > 0)>>
@@ -96,9 +87,13 @@ QString RequestKey(Types &&...values) {
 
 class ApiWrap : public MTP::Sender, private base::Subscriber {
 public:
+	using SendAction = Api::SendAction;
+	using MessageToSend = Api::MessageToSend;
+
 	struct Privacy {
 		enum class Key {
 			PhoneNumber,
+			AddedByPhone,
 			LastSeen,
 			Calls,
 			Invites,
@@ -375,31 +370,21 @@ public:
 		not_null<PeerData*> peer,
 		const std::vector<not_null<UserData*>> &users);
 
-	struct SendOptions {
-		SendOptions(not_null<History*> history);
 
-		not_null<History*> history;
-		MsgId replyTo = 0;
-		WebPageId webPageId = 0;
-		bool silent = false;
-		bool clearDraft = false;
-		bool generateLocal = true;
-		bool handleSupportSwitch = false;
-	};
-	rpl::producer<SendOptions> sendActions() const {
+	rpl::producer<SendAction> sendActions() const {
 		return _sendActions.events();
 	}
-	void sendAction(const SendOptions &options);
+	void sendAction(const SendAction &action);
 	void forwardMessages(
 		HistoryItemsList &&items,
-		const SendOptions &options,
+		const SendAction &action,
 		FnMut<void()> &&successCallback = nullptr);
 	void shareContact(
 		const QString &phone,
 		const QString &firstName,
 		const QString &lastName,
-		const SendOptions &options);
-	void shareContact(not_null<UserData*> user, const SendOptions &options);
+		const SendAction &action);
+	void shareContact(not_null<UserData*> user, const SendAction &action);
 	void readServerHistory(not_null<History*> history);
 	void readServerHistoryForce(not_null<History*> history);
 	//void readFeed( // #feed
@@ -410,67 +395,55 @@ public:
 		QByteArray result,
 		VoiceWaveform waveform,
 		int duration,
-		const SendOptions &options);
+		const SendAction &action);
 	void sendFiles(
 		Storage::PreparedList &&list,
 		SendMediaType type,
 		TextWithTags &&caption,
 		std::shared_ptr<SendingAlbum> album,
-		const SendOptions &options);
+		const SendAction &action);
 	void sendFile(
 		const QByteArray &fileContent,
 		SendMediaType type,
-		const SendOptions &options);
+		const SendAction &action);
 
 	void editMedia(
 		Storage::PreparedList &&list,
 		SendMediaType type,
 		TextWithTags &&caption,
-		const SendOptions &options,
+		const SendAction &action,
 		MsgId msgIdToEdit);
 
 	void sendUploadedPhoto(
 		FullMsgId localId,
 		const MTPInputFile &file,
-		bool silent);
+		Api::SendOptions options);
 	void sendUploadedDocument(
 		FullMsgId localId,
 		const MTPInputFile &file,
 		const std::optional<MTPInputFile> &thumb,
-		bool silent);
+		Api::SendOptions options);
 	void editUploadedFile(
 		FullMsgId localId,
 		const MTPInputFile &file,
 		const std::optional<MTPInputFile> &thumb,
-		bool silent,
+		Api::SendOptions options,
 		bool isDocument);
 
 	void cancelLocalItem(not_null<HistoryItem*> item);
 
-	struct MessageToSend {
-		MessageToSend(not_null<History*> history);
-
-		not_null<History*> history;
-		TextWithTags textWithTags;
-		MsgId replyTo = 0;
-		WebPageId webPageId = 0;
-		bool silent = false;
-		bool clearDraft = true;
-		bool handleSupportSwitch = false;
-	};
 	void sendMessage(MessageToSend &&message);
 	void sendBotStart(not_null<UserData*> bot, PeerData *chat = nullptr);
 	void sendInlineResult(
 		not_null<UserData*> bot,
 		not_null<InlineBots::Result*> data,
-		const SendOptions &options);
+		const SendAction &action);
 	void sendMessageFail(
 		const RPCError &error,
 		not_null<PeerData*> peer,
+		uint64 randomId = 0,
 		FullMsgId itemId = FullMsgId());
 
-	void requestSupportContact(FnMut<void(const MTPUser&)> callback);
-
 	void uploadPeerPhoto(not_null<PeerData*> peer, QImage &&image);
 	void clearPeerPhoto(not_null<PhotoData*> photo);
 
@@ -498,7 +471,7 @@ public:
 
 	void createPoll(
 		const PollData &data,
-		const SendOptions &options,
+		const SendAction &action,
 		FnMut<void()> done,
 		FnMut<void(const RPCError &error)> fail);
 	void sendPollVotes(
@@ -643,7 +616,7 @@ private:
 		const QString &firstName,
 		const QString &lastName,
 		UserId userId,
-		const SendOptions &options);
+		const SendAction &action);
 
 	void deleteHistory(
 		not_null<PeerData*> peer,
@@ -677,13 +650,13 @@ private:
 	void sendMedia(
 		not_null<HistoryItem*> item,
 		const MTPInputMedia &media,
-		bool silent);
+		Api::SendOptions options);
 	void sendMediaWithRandomId(
 		not_null<HistoryItem*> item,
 		const MTPInputMedia &media,
-		bool silent,
+		Api::SendOptions options,
 		uint64 randomId);
-	FileLoadTo fileLoadTaskOptions(const SendOptions &options) const;
+	FileLoadTo fileLoadTaskOptions(const SendAction &action) const;
 
 	//void readFeeds(); // #feed
 
@@ -826,7 +799,7 @@ private:
 		not_null<Data::Folder*>,
 		DialogsLoadState> _foldersLoadState;
 
-	rpl::event_stream<SendOptions> _sendActions;
+	rpl::event_stream<SendAction> _sendActions;
 
 	struct ReadRequest {
 		ReadRequest(mtpRequestId requestId, MsgId upTo)

Telegram/SourceFiles/app.cpp

@@ -47,6 +47,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "styles/style_history.h"
 #include "styles/style_boxes.h"
 
+#include <QtCore/QBuffer>
+#include <QtGui/QFontDatabase>
+
 #ifdef OS_MAC_OLD
 #include <libexif/exif-data.h>
 #endif // OS_MAC_OLD
@@ -60,8 +63,6 @@ namespace {
 		*pressedLinkItem = nullptr,
 		*mousedItem = nullptr;
 
-	style::font monofont;
-
 	struct CornersPixmaps {
 		QPixmap p[4];
 	};
@@ -102,23 +103,6 @@ namespace App {
 		return result;
 	}
 
-	MainWindow *wnd() {
-		return (Core::IsAppLaunched() && Core::App().activeWindow())
-			? Core::App().activeWindow()->widget().get()
-			: nullptr;
-	}
-
-	MainWidget *main() {
-		if (auto window = wnd()) {
-			return window->mainWidget();
-		}
-		return nullptr;
-	}
-
-	QString peerName(const PeerData *peer, bool forDialogs) {
-		return peer ? ((forDialogs && peer->isUser() && !peer->asUser()->nameOrPhone.isEmpty()) ? peer->asUser()->nameOrPhone : peer->name) : tr::lng_deleted(tr::now);
-	}
-
 	void prepareCorners(RoundCorners index, int32 radius, const QBrush &brush, const style::color *shadow = nullptr, QImage *cors = nullptr) {
 		Expects(::corners.size() > index);
 
@@ -152,14 +136,6 @@ namespace App {
 		}
 	}
 
-	void tryFontFamily(QString &family, const QString &tryFamily) {
-		if (family.isEmpty()) {
-			if (!QFontInfo(QFont(tryFamily)).family().trimmed().compare(tryFamily, Qt::CaseInsensitive)) {
-				family = tryFamily;
-			}
-		}
-	}
-
 	void createMaskCorners() {
 		QImage mask[4];
 		prepareCorners(SmallMaskCorners, st::buttonRadius, QColor(255, 255, 255), nullptr, mask);
@@ -218,16 +194,6 @@ namespace App {
 	}
 
 	void initMedia() {
-		if (!::monofont) {
-			QString family;
-			tryFontFamily(family, qsl("Consolas"));
-			tryFontFamily(family, qsl("Liberation Mono"));
-			tryFontFamily(family, qsl("Menlo"));
-			tryFontFamily(family, qsl("Courier"));
-			if (family.isEmpty()) family = QFontDatabase::systemFont(QFontDatabase::FixedFont).family();
-			::monofont = style::font(st::normalFont->f.pixelSize(), 0, family);
-		}
-
 		createCorners();
 
 		using Update = Window::Theme::BackgroundUpdate;
@@ -307,10 +273,6 @@ namespace App {
 		mousedItem(nullptr);
 	}
 
-	const style::font &monofont() {
-		return ::monofont;
-	}
-
 	void quit() {
 		if (quitting()) {
 			return;
@@ -465,15 +427,6 @@ namespace App {
 		rectWithCorners(p, rect, st::msgInBg, MessageInCorners, corners);
 	}
 
-	QImage *cornersMask(ImageRoundRadius radius) {
-		switch (radius) {
-		case ImageRoundRadius::Large: return ::cornersMaskLarge;
-		case ImageRoundRadius::Small:
-		default: break;
-		}
-		return ::cornersMaskSmall;
-	}
-
 	void roundRect(Painter &p, int32 x, int32 y, int32 w, int32 h, style::color bg, const CornersPixmaps &corner, const style::color *shadow, RectParts parts) {
 		auto cornerWidth = corner.p[0].width() / cIntRetinaFactor();
 		auto cornerHeight = corner.p[0].height() / cIntRetinaFactor();

Telegram/SourceFiles/app.h

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "data/data_types.h"
+#include "ui/rect_part.h"
 
 enum class ImageRoundRadius;
 class MainWindow;
@@ -18,10 +19,16 @@ namespace HistoryView {
 class Element;
 } // namespace HistoryView
 
+namespace Media {
+namespace Clip {
+class Reader;
+} // namespace Clip
+} // namespace Media
+
 using HistoryItemsMap = base::flat_set<not_null<HistoryItem*>>;
 using GifItems = QHash<Media::Clip::Reader*, HistoryItem*>;
 
-enum RoundCorners {
+enum RoundCorners : int {
 	SmallMaskCorners = 0x00, // for images
 	LargeMaskCorners,
 
@@ -60,13 +67,8 @@ enum RoundCorners {
 };
 
 namespace App {
-	MainWindow *wnd();
-	MainWidget *main();
-
 	QString formatPhone(QString phone);
 
-	[[nodiscard]] QString peerName(const PeerData *peer, bool forDialogs = false);
-
 	void hoveredItem(HistoryView::Element *item);
 	HistoryView::Element *hoveredItem();
 	void pressedItem(HistoryView::Element *item);
@@ -79,8 +81,6 @@ namespace App {
 	HistoryView::Element *mousedItem();
 	void clearMousedItems();
 
-	const style::font &monofont();
-
 	void initMedia();
 	void deinitMedia();
 
@@ -104,7 +104,6 @@ namespace App {
 	void complexOverlayRect(Painter &p, QRect rect, ImageRoundRadius radius, RectParts corners);
 	void complexLocationRect(Painter &p, QRect rect, ImageRoundRadius radius, RectParts corners);
 
-	QImage *cornersMask(ImageRoundRadius radius);
 	void roundRect(Painter &p, int32 x, int32 y, int32 w, int32 h, style::color bg, RoundCorners index, const style::color *shadow = nullptr, RectParts parts = RectPart::Full);
 	inline void roundRect(Painter &p, const QRect &rect, style::color bg, RoundCorners index, const style::color *shadow = nullptr, RectParts parts = RectPart::Full) {
 		return roundRect(p, rect.x(), rect.y(), rect.width(), rect.height(), bg, index, shadow, parts);

Telegram/SourceFiles/base/algorithm.h

@@ -32,6 +32,17 @@ inline bool contains(const Container &container, const T &value) {
 	return std::find(std::begin(container), end, value) != end;
 }
 
+template <typename D, typename T>
+inline constexpr D up_cast(T object) {
+	using DV = std::decay_t<decltype(*D())>;
+	using TV = std::decay_t<decltype(*T())>;
+	if constexpr (std::is_base_of_v<DV, TV>) {
+		return object;
+	} else {
+		return nullptr;
+	}
+}
+
 // We need a custom comparator for set<std::unique_ptr<T>>::find to work with pointers.
 // thanks to http://stackoverflow.com/questions/18939882/raw-pointer-lookup-for-sets-of-unique-ptrs
 template <typename T>
@@ -70,6 +81,23 @@ struct pointer_comparator {
 
 };
 
+inline QString FromUtf8Safe(const char *string, int size = -1) {
+	if (!string || !size) {
+		return QString();
+	} else if (size < 0) {
+		size = strlen(string);
+	}
+	const auto result = QString::fromUtf8(string, size);
+	const auto back = result.toUtf8();
+	return (back.size() != size || memcmp(back.constData(), string, size))
+		? QString::fromLocal8Bit(string, size)
+		: result;
+}
+
+inline QString FromUtf8Safe(const QByteArray &string) {
+	return FromUtf8Safe(string.constData(), string.size());
+}
+
 } // namespace base
 
 template <typename T>

Telegram/SourceFiles/base/assertion.h

@@ -9,6 +9,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include <cstdlib>
 
+// Ensures/Expects.
+#include <gsl/gsl_assert>
+
 namespace base {
 namespace assertion {
 

Telegram/SourceFiles/base/base_integration.h

@@ -0,0 +1,18 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "base/basic_types.h"
+
+// Methods that must be implemented outside lib_base.
+
+namespace base {
+
+void EnterFromEventLoop(FnMut<void()> &&method);
+
+} // namespace

Telegram/SourceFiles/base/base_pch.cpp

@@ -7,3 +7,4 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "base/base_pch.h"
 
+// Precompiled header helper.

Telegram/SourceFiles/base/crc32hash.cpp

@@ -0,0 +1,61 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "base/crc32hash.h"
+
+namespace base {
+namespace {
+
+class Crc32Table {
+public:
+	Crc32Table() {
+		auto poly = std::uint32_t(0x04c11db7);
+		for (auto i = 0; i != 256; ++i) {
+			_data[i] = reflect(i, 8) << 24;
+			for (auto j = 0; j != 8; ++j) {
+				_data[i] = (_data[i] << 1) ^ (_data[i] & (1 << 31) ? poly : 0);
+			}
+			_data[i] = reflect(_data[i], 32);
+		}
+	}
+
+	std::uint32_t operator[](int index) const {
+		return _data[index];
+	}
+
+private:
+	std::uint32_t reflect(std::uint32_t val, char ch) {
+		auto result = std::uint32_t(0);
+		for (int i = 1; i < (ch + 1); ++i) {
+			if (val & 1) {
+				result |= 1 << (ch - i);
+			}
+			val >>= 1;
+		}
+		return result;
+	}
+
+	std::uint32_t _data[256];
+
+};
+
+} // namespace
+
+std::int32_t crc32(const void *data, int len) {
+	static const auto kTable = Crc32Table();
+
+	const auto buffer = static_cast<const std::uint8_t*>(data);
+
+	auto crc = std::uint32_t(0xffffffff);
+	for (auto i = 0; i != len; ++i) {
+		crc = (crc >> 8) ^ kTable[(crc & 0xFF) ^ buffer[i]];
+	}
+
+	return static_cast<std::int32_t>(crc ^ 0xffffffff);
+}
+
+} // namespace base

Telegram/SourceFiles/base/crc32hash.h

@@ -0,0 +1,16 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include <cstdint>
+
+namespace base {
+
+std::int32_t crc32(const void *data, int len);
+
+} // namespace base

Telegram/SourceFiles/base/invoke_queued.h

@@ -40,3 +40,23 @@ inline void InvokeQueued(const QObject *context, Lambda &&lambda) {
 		const_cast<QObject*>(context),
 		new base::InvokeQueuedEvent(std::forward<Lambda>(lambda)));
 }
+
+class SingleQueuedInvokation : public QObject {
+public:
+	SingleQueuedInvokation(Fn<void()> callback) : _callback(callback) {
+	}
+	void call() {
+		if (_pending.testAndSetAcquire(0, 1)) {
+			InvokeQueued(this, [this] {
+				if (_pending.testAndSetRelease(1, 0)) {
+					_callback();
+				}
+			});
+		}
+	}
+
+private:
+	Fn<void()> _callback;
+	QAtomicInt _pending = { 0 };
+
+};

Telegram/SourceFiles/base/object_ptr.h

@@ -0,0 +1,121 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include <QtCore/QPointer>
+
+// Smart pointer for QObject*, has move semantics, destroys object if it doesn't have a parent.
+template <typename Object>
+class object_ptr {
+public:
+	object_ptr(std::nullptr_t) noexcept {
+	}
+
+	// No default constructor, but constructors with at least
+	// one argument are simply make functions.
+	template <typename Parent, typename... Args>
+	explicit object_ptr(Parent &&parent, Args&&... args)
+	: _object(new Object(std::forward<Parent>(parent), std::forward<Args>(args)...)) {
+	}
+	static object_ptr<Object> fromRaw(Object *value) noexcept {
+		object_ptr<Object> result = { nullptr };
+		result._object = value;
+		return result;
+	}
+	Object *release() noexcept {
+		return static_cast<Object*>(base::take(_object).data());
+	}
+
+	object_ptr(const object_ptr &other) = delete;
+	object_ptr &operator=(const object_ptr &other) = delete;
+	object_ptr(object_ptr &&other) noexcept : _object(base::take(other._object)) {
+	}
+	object_ptr &operator=(object_ptr &&other) noexcept {
+		auto temp = std::move(other);
+		destroy();
+		std::swap(_object, temp._object);
+		return *this;
+	}
+
+	template <
+		typename OtherObject,
+		typename = std::enable_if_t<
+			std::is_base_of_v<Object, OtherObject>>>
+	object_ptr(object_ptr<OtherObject> &&other) noexcept
+	: _object(base::take(other._object)) {
+	}
+
+	template <
+		typename OtherObject,
+		typename = std::enable_if_t<
+			std::is_base_of_v<Object, OtherObject>>>
+	object_ptr &operator=(object_ptr<OtherObject> &&other) noexcept {
+		_object = base::take(other._object);
+		return *this;
+	}
+
+	object_ptr &operator=(std::nullptr_t) noexcept {
+		_object = nullptr;
+		return *this;
+	}
+
+	// So we can pass this pointer to methods like connect().
+	Object *data() const noexcept {
+		return static_cast<Object*>(_object.data());
+	}
+	operator Object*() const noexcept {
+		return data();
+	}
+
+	explicit operator bool() const noexcept {
+		return _object != nullptr;
+	}
+
+	Object *operator->() const noexcept {
+		return data();
+	}
+	Object &operator*() const noexcept {
+		return *data();
+	}
+
+	// Use that instead "= new Object(parent, ...)"
+	template <typename Parent, typename... Args>
+	Object *create(Parent &&parent, Args&&... args) {
+		destroy();
+		_object = new Object(
+			std::forward<Parent>(parent),
+			std::forward<Args>(args)...);
+		return data();
+	}
+	void destroy() noexcept {
+		delete base::take(_object);
+	}
+	void destroyDelayed() {
+		if (_object) {
+			if (auto widget = base::up_cast<QWidget*>(data())) {
+				widget->hide();
+			}
+			base::take(_object)->deleteLater();
+		}
+	}
+
+	~object_ptr() noexcept {
+		if (auto pointer = _object) {
+			if (!pointer->parent()) {
+				destroy();
+			}
+		}
+	}
+
+private:
+	template <typename OtherObject>
+	friend class object_ptr;
+
+	QPointer<QObject> _object;
+
+};

Telegram/SourceFiles/base/openssl_help.h

@@ -57,19 +57,38 @@ private:
 
 class BigNum {
 public:
-	BigNum() : _data(BN_new()) {
+	BigNum() = default;
+	BigNum(const BigNum &other)
+	: _data((other.failed() || other.isZero())
+		? nullptr
+		: BN_dup(other.raw()))
+	, _failed(other._failed) {
 	}
-	BigNum(const BigNum &other) : BigNum() {
-		*this = other;
+	BigNum(BigNum &&other)
+	: _data(std::exchange(other._data, nullptr))
+	, _failed(std::exchange(other._failed, false)) {
 	}
 	BigNum &operator=(const BigNum &other) {
-		if (other.failed() || !BN_copy(raw(), other.raw())) {
+		if (other.failed()) {
 			_failed = true;
+		} else if (other.isZero()) {
+			clear();
+			_failed = false;
+		} else if (!_data) {
+			_data = BN_dup(other.raw());
+			_failed = false;
+		} else {
+			_failed = !BN_copy(raw(), other.raw());
 		}
 		return *this;
 	}
+	BigNum &operator=(BigNum &&other) {
+		std::swap(_data, other._data);
+		std::swap(_failed, other._failed);
+		return *this;
+	}
 	~BigNum() {
-		BN_clear_free(raw());
+		clear();
 	}
 
 	explicit BigNum(unsigned int word) : BigNum() {
@@ -79,64 +98,74 @@ public:
 		setBytes(bytes);
 	}
 
-	void setWord(unsigned int word) {
-		if (!BN_set_word(raw(), word)) {
-			_failed = true;
+	BigNum &setWord(unsigned int word) {
+		if (!word) {
+			clear();
+			_failed = false;
+		} else {
+			_failed = !BN_set_word(raw(), word);
 		}
+		return *this;
 	}
-	void setBytes(bytes::const_span bytes) {
-		if (!BN_bin2bn(
+	BigNum &setBytes(bytes::const_span bytes) {
+		if (bytes.empty()) {
+			clear();
+			_failed = false;
+		} else {
+			_failed = !BN_bin2bn(
 				reinterpret_cast<const unsigned char*>(bytes.data()),
 				bytes.size(),
-				raw())) {
-			_failed = true;
+				raw());
 		}
+		return *this;
 	}
 
-	void setAdd(const BigNum &a, const BigNum &b) {
+	BigNum &setAdd(const BigNum &a, const BigNum &b) {
 		if (a.failed() || b.failed()) {
 			_failed = true;
-		} else if (!BN_add(raw(), a.raw(), b.raw())) {
-			_failed = true;
+		} else {
+			_failed = !BN_add(raw(), a.raw(), b.raw());
 		}
+		return *this;
 	}
-	void setSub(const BigNum &a, const BigNum &b) {
+	BigNum &setSub(const BigNum &a, const BigNum &b) {
 		if (a.failed() || b.failed()) {
 			_failed = true;
-		} else if (!BN_sub(raw(), a.raw(), b.raw())) {
-			_failed = true;
+		} else {
+			_failed = !BN_sub(raw(), a.raw(), b.raw());
 		}
+		return *this;
 	}
-	void setSubWord(unsigned int word) {
-		if (failed()) {
-			return;
-		} else if (!BN_sub_word(raw(), word)) {
-			_failed = true;
-		}
-	}
-	void setMul(
+	BigNum &setMul(
 			const BigNum &a,
 			const BigNum &b,
 			const Context &context = Context()) {
 		if (a.failed() || b.failed()) {
 			_failed = true;
-		} else if (!BN_mul(raw(), a.raw(), b.raw(), context.raw())) {
-			_failed = true;
+		} else {
+			_failed = !BN_mul(raw(), a.raw(), b.raw(), context.raw());
 		}
+		return *this;
 	}
-	BN_ULONG setDivWord(BN_ULONG word) {
-		Expects(word != 0);
-		if (failed()) {
-			return (BN_ULONG)-1;
-		}
-
-		auto result = BN_div_word(raw(), word);
-		if (result == (BN_ULONG)-1) {
+	BigNum &setModAdd(
+			const BigNum &a,
+			const BigNum &b,
+			const BigNum &m,
+			const Context &context = Context()) {
+		if (a.failed() || b.failed() || m.failed()) {
 			_failed = true;
+		} else if (a.isNegative() || b.isNegative() || m.isNegative()) {
+			_failed = true;
+		} else if (!BN_mod_add(raw(), a.raw(), b.raw(), m.raw(), context.raw())) {
+			_failed = true;
+		} else if (isNegative()) {
+			_failed = true;
+		} else {
+			_failed = false;
 		}
-		return result;
+		return *this;
 	}
-	void setModSub(
+	BigNum &setModSub(
 			const BigNum &a,
 			const BigNum &b,
 			const BigNum &m,
@@ -149,9 +178,12 @@ public:
 			_failed = true;
 		} else if (isNegative()) {
 			_failed = true;
+		} else {
+			_failed = false;
 		}
+		return *this;
 	}
-	void setModMul(
+	BigNum &setModMul(
 			const BigNum &a,
 			const BigNum &b,
 			const BigNum &m,
@@ -164,9 +196,29 @@ public:
 			_failed = true;
 		} else if (isNegative()) {
 			_failed = true;
+		} else {
+			_failed = false;
 		}
+		return *this;
 	}
-	void setModExp(
+	BigNum &setModInverse(
+			const BigNum &a,
+			const BigNum &m,
+			const Context &context = Context()) {
+		if (a.failed() || m.failed()) {
+			_failed = true;
+		} else if (a.isNegative() || m.isNegative()) {
+			_failed = true;
+		} else if (!BN_mod_inverse(raw(), a.raw(), m.raw(), context.raw())) {
+			_failed = true;
+		} else if (isNegative()) {
+			_failed = true;
+		} else {
+			_failed = false;
+		}
+		return *this;
+	}
+	BigNum &setModExp(
 			const BigNum &base,
 			const BigNum &power,
 			const BigNum &m,
@@ -179,23 +231,34 @@ public:
 			_failed = true;
 		} else if (isNegative()) {
 			_failed = true;
+		} else {
+			_failed = false;
 		}
+		return *this;
 	}
 
-	bool isNegative() const {
-		return failed() ? false : BN_is_negative(raw());
+	[[nodiscard]] bool isZero() const {
+		return !failed() && (!_data || BN_is_zero(raw()));
 	}
 
-	bool isPrime(const Context &context = Context()) const {
-		if (failed()) {
+	[[nodiscard]] bool isOne() const {
+		return !failed() && _data && BN_is_one(raw());
+	}
+
+	[[nodiscard]] bool isNegative() const {
+		return !failed() && _data && BN_is_negative(raw());
+	}
+
+	[[nodiscard]] bool isPrime(const Context &context = Context()) const {
+		if (failed() || !_data) {
 			return false;
 		}
 		constexpr auto kMillerRabinIterationCount = 30;
-		auto result = BN_is_prime_ex(
+		const auto result = BN_is_prime_ex(
 			raw(),
 			kMillerRabinIterationCount,
 			context.raw(),
-			NULL);
+			nullptr);
 		if (result == 1) {
 			return true;
 		} else if (result != 0) {
@@ -204,27 +267,42 @@ public:
 		return false;
 	}
 
-	BN_ULONG modWord(BN_ULONG word) const {
-		Expects(word != 0);
+	BigNum &subWord(unsigned int word) {
 		if (failed()) {
-			return (BN_ULONG)-1;
+			return *this;
+		} else if (!BN_sub_word(raw(), word)) {
+			_failed = true;
 		}
+		return *this;
+	}
+	BigNum &divWord(BN_ULONG word, BN_ULONG *mod = nullptr) {
+		Expects(word != 0);
 
-		auto result = BN_mod_word(raw(), word);
+		const auto result = failed()
+			? (BN_ULONG)-1
+			: BN_div_word(raw(), word);
 		if (result == (BN_ULONG)-1) {
 			_failed = true;
 		}
-		return result;
+		if (mod) {
+			*mod = result;
+		}
+		return *this;
+	}
+	[[nodiscard]] BN_ULONG countModWord(BN_ULONG word) const {
+		Expects(word != 0);
+
+		return failed() ? (BN_ULONG)-1 : BN_mod_word(raw(), word);
 	}
 
-	int bitsSize() const {
+	[[nodiscard]] int bitsSize() const {
 		return failed() ? 0 : BN_num_bits(raw());
 	}
-	int bytesSize() const {
+	[[nodiscard]] int bytesSize() const {
 		return failed() ? 0 : BN_num_bytes(raw());
 	}
 
-	bytes::vector getBytes() const {
+	[[nodiscard]] bytes::vector getBytes() const {
 		if (failed()) {
 			return {};
 		}
@@ -237,73 +315,84 @@ public:
 		return result;
 	}
 
-	BIGNUM *raw() {
+	[[nodiscard]] BIGNUM *raw() {
+		if (!_data) _data = BN_new();
 		return _data;
 	}
-	const BIGNUM *raw() const {
+	[[nodiscard]] const BIGNUM *raw() const {
+		if (!_data) _data = BN_new();
 		return _data;
 	}
-	BIGNUM *takeRaw() {
-		return base::take(_data);
+	[[nodiscard]] BIGNUM *takeRaw() {
+		return _failed
+			? nullptr
+			: _data
+			? std::exchange(_data, nullptr)
+			: BN_new();
 	}
 
-	bool failed() const {
+	[[nodiscard]] bool failed() const {
 		return _failed;
 	}
 
-	static BigNum Add(const BigNum &a, const BigNum &b) {
-		BigNum result;
-		result.setAdd(a, b);
-		return result;
+	[[nodiscard]] static BigNum Add(const BigNum &a, const BigNum &b) {
+		return BigNum().setAdd(a, b);
 	}
-	static BigNum Sub(const BigNum &a, const BigNum &b) {
-		BigNum result;
-		result.setSub(a, b);
-		return result;
+	[[nodiscard]] static BigNum Sub(const BigNum &a, const BigNum &b) {
+		return BigNum().setSub(a, b);
 	}
-	static BigNum Mul(
+	[[nodiscard]] static BigNum Mul(
 			const BigNum &a,
 			const BigNum &b,
 			const Context &context = Context()) {
-		BigNum result;
-		result.setMul(a, b, context);
-		return result;
+		return BigNum().setMul(a, b, context);
 	}
-	static BigNum ModSub(
+	[[nodiscard]] static BigNum ModAdd(
 			const BigNum &a,
 			const BigNum &b,
 			const BigNum &mod,
 			const Context &context = Context()) {
-		BigNum result;
-		result.setModSub(a, b, mod, context);
-		return result;
+		return BigNum().setModAdd(a, b, mod, context);
 	}
-	static BigNum ModMul(
+	[[nodiscard]] static BigNum ModSub(
 			const BigNum &a,
 			const BigNum &b,
 			const BigNum &mod,
 			const Context &context = Context()) {
-		BigNum result;
-		result.setModMul(a, b, mod, context);
-		return result;
+		return BigNum().setModSub(a, b, mod, context);
 	}
-	static BigNum ModExp(
+	[[nodiscard]] static BigNum ModMul(
+			const BigNum &a,
+			const BigNum &b,
+			const BigNum &mod,
+			const Context &context = Context()) {
+		return BigNum().setModMul(a, b, mod, context);
+	}
+	[[nodiscard]] static BigNum ModInverse(
+			const BigNum &a,
+			const BigNum &mod,
+			const Context &context = Context()) {
+		return BigNum().setModInverse(a, mod, context);
+	}
+	[[nodiscard]] static BigNum ModExp(
 			const BigNum &base,
 			const BigNum &power,
 			const BigNum &mod,
 			const Context &context = Context()) {
-		BigNum result;
-		result.setModExp(base, power, mod, context);
-		return result;
+		return BigNum().setModExp(base, power, mod, context);
 	}
-	static BigNum Failed() {
-		BigNum result;
+	[[nodiscard]] static BigNum Failed() {
+		auto result = BigNum();
 		result._failed = true;
 		return result;
 	}
 
 private:
-	BIGNUM *_data = nullptr;
+	void clear() {
+		BN_clear_free(std::exchange(_data, nullptr));
+	}
+
+	mutable BIGNUM *_data = nullptr;
 	mutable bool _failed = false;
 
 };
@@ -435,6 +524,17 @@ inline void AddRandomSeed(bytes::const_span data) {
 	RAND_seed(data.data(), data.size());
 }
 
+template <typename T, typename = std::enable_if_t<std::is_integral_v<T>>>
+[[nodiscard]] inline T RandomValue() {
+	unsigned char buffer[sizeof(T)];
+	if (!RAND_bytes(buffer, sizeof(T))) {
+		Unexpected("Could not generate random bytes!");
+	}
+	auto result = T();
+	memcpy(&result, buffer, sizeof(T));
+	return result;
+}
+
 inline bytes::vector Pbkdf2Sha512(
 		bytes::const_span password,
 		bytes::const_span salt,

Telegram/SourceFiles/base/qt_connection.h

@@ -0,0 +1,49 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "base/algorithm.h"
+
+#include <QtCore/QObject>
+
+namespace base {
+
+class qt_connection final {
+public:
+	qt_connection(QMetaObject::Connection data = {}) : _data(data) {
+	}
+	qt_connection(qt_connection &&other) : _data(base::take(other._data)) {
+	}
+	qt_connection &operator=(qt_connection &&other) {
+		reset(base::take(other._data));
+		return *this;
+	}
+	~qt_connection() {
+		disconnect();
+	}
+
+	void release() {
+		_data = QMetaObject::Connection();
+	}
+	void reset(QMetaObject::Connection data = {}) {
+		disconnect();
+		_data = data;
+	}
+
+private:
+	void disconnect() {
+		if (_data) {
+			QObject::disconnect(base::take(_data));
+		}
+	}
+
+	QMetaObject::Connection _data;
+
+};
+
+} // namespace base

Telegram/SourceFiles/base/qt_signal_producer.h

@@ -7,9 +7,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#include "core/sandbox.h"
+#include "base/base_integration.h"
 
-namespace Core {
+namespace base {
 
 // This method allows to create an rpl::producer from a Qt object
 // and a signal with none or one reported value.
@@ -20,34 +20,34 @@ namespace Core {
 // This means that all postponeCall's will be invoked right after
 // the value processing by the current consumer finishes.
 template <typename Object, typename Signal>
-auto QtSignalProducer(Object *object, Signal signal);
+auto qt_signal_producer(Object *object, Signal signal);
 
 namespace details {
 
 template <typename Signal>
-struct QtSignalArgument;
+struct qt_signal_argument;
 
 template <typename Class, typename Return, typename Value>
-struct QtSignalArgument<Return(Class::*)(Value)> {
+struct qt_signal_argument<Return(Class::*)(Value)> {
 	using type = Value;
 };
 
 template <typename Class, typename Return>
-struct QtSignalArgument<Return(Class::*)()> {
+struct qt_signal_argument<Return(Class::*)()> {
 	using type = void;
 };
 
 } // namespace details
 
 template <typename Object, typename Signal>
-auto QtSignalProducer(Object *object, Signal signal) {
-	using Value = typename details::QtSignalArgument<Signal>::type;
+auto qt_signal_producer(Object *object, Signal signal) {
+	using Value = typename details::qt_signal_argument<Signal>::type;
 	static constexpr auto NoArgument = std::is_same_v<Value, void>;
 	using Produced = std::conditional_t<
 		NoArgument,
 		rpl::empty_value,
 		std::remove_const_t<std::decay_t<Value>>>;
-	const auto guarded = make_weak(object);
+	const auto guarded = QPointer<Object>(object);
 	return rpl::make_producer<Produced>([=](auto consumer) {
 		if (!guarded) {
 			return rpl::lifetime();
@@ -59,7 +59,7 @@ auto QtSignalProducer(Object *object, Signal signal) {
 				signal,
 				listener,
 				std::forward<decltype(handler)>(handler));
-			const auto weak = make_weak(listener);
+			const auto weak = QPointer<QObject>(listener);
 			return rpl::lifetime([=] {
 				if (weak) {
 					delete weak;
@@ -67,7 +67,7 @@ auto QtSignalProducer(Object *object, Signal signal) {
 			});
 		};
 		auto put = [=](const Produced &value) {
-			Sandbox::Instance().customEnterFromEventLoop([&] {
+			EnterFromEventLoop([&] {
 				consumer.put_next_copy(value);
 			});
 		};
@@ -79,4 +79,4 @@ auto QtSignalProducer(Object *object, Signal signal) {
 	});
 }
 
-} // namespace Core
+} // namespace base

Telegram/SourceFiles/base/qthelp_url.h

@@ -7,6 +7,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
+#include <QtCore/QUrl>
+#include <QtCore/QString>
+#include <QtCore/QRegularExpression>
+
 namespace qthelp {
 
 const QRegularExpression &RegExpDomain();

Telegram/SourceFiles/base/timer.cpp

@@ -108,8 +108,8 @@ void Timer::timerEvent(QTimerEvent *e) {
 		cancel();
 	}
 
-	if (_callback) {
-		_callback();
+	if (const auto onstack = _callback) {
+		onstack();
 	}
 }
 

Telegram/SourceFiles/base/unique_qptr.h

@@ -7,6 +7,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
+#include <QtCore/QPointer>
+
 namespace base {
 
 template <typename T>

Telegram/SourceFiles/base/unixtime.cpp

@@ -7,12 +7,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "base/unixtime.h"
 
-#include "logs.h"
-
 #include <QDateTime>
 #include <QReadWriteLock>
 
 #ifdef Q_OS_WIN
+#include <windows.h>
 #elif defined Q_OS_MAC
 #include <mach/mach_time.h>
 #else
@@ -124,19 +123,15 @@ TimeId now() {
 
 void update(TimeId now, bool force) {
 	if (force) {
-		DEBUG_LOG(("MTP Info: forcing client unixtime to %1"
-			).arg(now));
 		ValueUpdated = true;
 	} else {
 		auto expected = false;
 		if (!ValueUpdated.compare_exchange_strong(expected, true)) {
 			return;
 		}
-		DEBUG_LOG(("MTP Info: setting client unixtime to %1").arg(now));
 	}
 	const auto shift = now + 1 - local();
 	ValueShift = shift;
-	DEBUG_LOG(("MTP Info: now unixtimeDelta is %1").arg(shift));
 
 	HttpValueShift = 0;
 	HttpValueValid = false;

Telegram/SourceFiles/boxes/about_box.cpp

@@ -20,6 +20,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "core/update_checker.h"
 #include "styles/style_boxes.h"
 
+#include <QtGui/QGuiApplication>
+#include <QtGui/QClipboard>
+#include <QtGui/QDesktopServices>
+
 namespace {
 
 rpl::producer<TextWithEntities> Text1() {
@@ -100,7 +104,7 @@ void AboutBox::showVersionHistory() {
 		}
 		url = url.arg(qsl("talpha%1_%2").arg(cRealAlphaVersion()).arg(Core::countAlphaVersionSignature(cRealAlphaVersion())));
 
-		QApplication::clipboard()->setText(url);
+		QGuiApplication::clipboard()->setText(url);
 
 		Ui::show(Box<InformBox>("The link to the current private alpha version of Telegram Desktop was copied to the clipboard."));
 	} else {

Telegram/SourceFiles/boxes/abstract_box.cpp

@@ -11,14 +11,33 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "styles/style_profile.h"
 #include "storage/localstorage.h"
 #include "lang/lang_keys.h"
+#include "ui/effects/radial_animation.h"
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/scroll_area.h"
 #include "ui/widgets/labels.h"
 #include "ui/widgets/shadow.h"
 #include "ui/wrap/fade_wrap.h"
 #include "ui/text/text_utilities.h"
+#include "ui/painter.h"
+#include "base/timer.h"
 #include "mainwidget.h"
 #include "mainwindow.h"
+#include "app.h"
+
+struct AbstractBox::LoadingProgress {
+	LoadingProgress(
+		Fn<void()> &&callback,
+		const style::InfiniteRadialAnimation &st);
+
+	Ui::InfiniteRadialAnimation animation;
+	base::Timer removeTimer;
+};
+
+AbstractBox::LoadingProgress::LoadingProgress(
+	Fn<void()> &&callback,
+	const style::InfiniteRadialAnimation &st)
+: animation(std::move(callback), st) {
+}
 
 void BoxContent::setTitle(rpl::producer<QString> title) {
 	getDelegate()->setTitle(std::move(title) | Ui::Text::ToWithEntities());
@@ -117,7 +136,7 @@ void BoxContent::onDraggingScrollDelta(int delta) {
 }
 
 void BoxContent::onDraggingScrollTimer() {
-	auto delta = (_draggingScrollDelta > 0) ? qMin(_draggingScrollDelta * 3 / 20 + 1, int32(MaxScrollSpeed)) : qMax(_draggingScrollDelta * 3 / 20 - 1, -int32(MaxScrollSpeed));
+	auto delta = (_draggingScrollDelta > 0) ? qMin(_draggingScrollDelta * 3 / 20 + 1, int32(Ui::kMaxScrollSpeed)) : qMax(_draggingScrollDelta * 3 / 20 - 1, -int32(Ui::kMaxScrollSpeed));
 	_scroll->scrollToY(_scroll->scrollTop() + delta);
 }
 
@@ -258,7 +277,6 @@ AbstractBox::AbstractBox(
 : LayerWidget(layer)
 , _layer(layer)
 , _content(std::move(content)) {
-	subscribe(Lang::Current().updated(), [=] { refreshLang(); });
 	_content->setParent(this);
 	_content->setDelegate(this);
 
@@ -269,6 +287,8 @@ AbstractBox::AbstractBox(
 	}, lifetime());
 }
 
+AbstractBox::~AbstractBox() = default;
+
 void AbstractBox::setLayerType(bool layerType) {
 	_layerType = layerType;
 	updateTitlePosition();
@@ -279,15 +299,35 @@ int AbstractBox::titleHeight() const {
 }
 
 int AbstractBox::buttonsHeight() const {
-	auto padding = _layerType ? st::boxLayerButtonPadding : st::boxButtonPadding;
+	const auto padding = _layerType
+		? st::boxLayerButtonPadding
+		: st::boxButtonPadding;
 	return padding.top() + st::defaultBoxButton.height + padding.bottom();
 }
 
 int AbstractBox::buttonsTop() const {
-	auto padding = _layerType ? st::boxLayerButtonPadding : st::boxButtonPadding;
+	const auto padding = _layerType
+		? st::boxLayerButtonPadding
+		: st::boxButtonPadding;
 	return height() - padding.bottom() - st::defaultBoxButton.height;
 }
 
+QRect AbstractBox::loadingRect() const {
+	const auto padding = _layerType
+		? st::boxLayerButtonPadding
+		: st::boxButtonPadding;
+	const auto size = st::boxLoadingSize;
+	const auto skipx = _layerType
+		? st::boxLayerTitlePosition.x()
+		: st::boxTitlePosition.x();
+	const auto skipy = (st::defaultBoxButton.height - size) / 2;
+	return QRect(
+		skipx,
+		height() - padding.bottom() - skipy - size,
+		size,
+		size);
+}
+
 void AbstractBox::paintEvent(QPaintEvent *e) {
 	Painter p(this);
 	auto clip = e->rect();
@@ -309,6 +349,14 @@ void AbstractBox::paintEvent(QPaintEvent *e) {
 		&& clip.intersects(QRect(0, 0, width(), titleHeight()))) {
 		paintAdditionalTitle(p);
 	}
+	if (_loadingProgress) {
+		const auto rect = loadingRect();
+		_loadingProgress->animation.draw(
+			p,
+			rect.topLeft(),
+			rect.size(),
+			width());
+	}
 }
 
 void AbstractBox::paintAdditionalTitle(Painter &p) {
@@ -350,10 +398,6 @@ bool AbstractBox::closeByOutsideClick() const {
 	return _closeByOutsideClick;
 }
 
-void AbstractBox::refreshLang() {
-	InvokeQueued(this, [this] { updateButtonsPositions(); });
-}
-
 bool AbstractBox::hasTitle() const {
 	return (_title != nullptr) || !_additionalTitle.current().isEmpty();
 }
@@ -416,7 +460,10 @@ QPointer<Ui::RoundButton> AbstractBox::addButton(
 	auto result = QPointer<Ui::RoundButton>(_buttons.back());
 	result->setClickedCallback(std::move(clickCallback));
 	result->show();
-	updateButtonsPositions();
+	result->widthValue(
+	) | rpl::start_with_next([=] {
+		updateButtonsPositions();
+	}, result->lifetime());
 	return result;
 }
 
@@ -428,7 +475,10 @@ QPointer<Ui::RoundButton> AbstractBox::addLeftButton(
 	auto result = QPointer<Ui::RoundButton>(_leftButton);
 	result->setClickedCallback(std::move(clickCallback));
 	result->show();
-	updateButtonsPositions();
+	result->widthValue(
+	) | rpl::start_with_next([=] {
+		updateButtonsPositions();
+	}, result->lifetime());
 	return result;
 }
 
@@ -441,6 +491,36 @@ QPointer<Ui::IconButton> AbstractBox::addTopButton(const style::IconButton &st,
 	return result;
 }
 
+void AbstractBox::showLoading(bool show) {
+	const auto &st = st::boxLoadingAnimation;
+	if (!show) {
+		if (_loadingProgress && !_loadingProgress->removeTimer.isActive()) {
+			_loadingProgress->removeTimer.callOnce(
+				st.sineDuration + st.sinePeriod);
+			_loadingProgress->animation.stop();
+		}
+		return;
+	}
+	if (!_loadingProgress) {
+		const auto callback = [=] {
+			if (!anim::Disabled()) {
+				const auto t = st::boxLoadingAnimation.thickness;
+				update(loadingRect().marginsAdded({ t, t, t, t }));
+			}
+		};
+		_loadingProgress = std::make_unique<LoadingProgress>(
+			callback,
+			st::boxLoadingAnimation);
+		_loadingProgress->removeTimer.setCallback([=] {
+			_loadingProgress = nullptr;
+		});
+	} else {
+		_loadingProgress->removeTimer.cancel();
+	}
+	_loadingProgress->animation.start();
+}
+
+
 void AbstractBox::setDimensions(int newWidth, int maxHeight, bool forceCenterPosition) {
 	_maxContentHeight = maxHeight;
 
@@ -519,3 +599,39 @@ void BoxContentDivider::paintEvent(QPaintEvent *e) {
 	auto dividerFillBottom = myrtlrect(0, height() - st::profileDividerBottom.height(), width(), st::profileDividerBottom.height());
 	st::profileDividerBottom.fill(p, dividerFillBottom);
 }
+
+namespace Ui {
+namespace internal {
+
+void showBox(
+	object_ptr<BoxContent> content,
+	LayerOptions options,
+	anim::type animated) {
+	if (auto w = App::wnd()) {
+		w->ui_showBox(std::move(content), options, animated);
+	}
+}
+
+} // namespace internal
+
+void hideLayer(anim::type animated) {
+	if (auto w = App::wnd()) {
+		w->ui_showBox(
+			{ nullptr },
+			LayerOption::CloseOther,
+			animated);
+	}
+}
+
+void hideSettingsAndLayer(anim::type animated) {
+	if (auto w = App::wnd()) {
+		w->ui_hideSettingsAndLayer(animated);
+	}
+}
+
+bool isLayerShown() {
+	if (auto w = App::wnd()) return w->ui_isLayerShown();
+	return false;
+}
+
+} // namespace Ui

Telegram/SourceFiles/boxes/abstract_box.h

@@ -9,8 +9,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "window/layer_widget.h"
 #include "base/unique_qptr.h"
+#include "base/flags.h"
+#include "ui/effects/animation_value.h"
+#include "ui/text/text_entity.h"
 #include "ui/rp_widget.h"
 
+class Painter;
+
 namespace style {
 struct RoundButton;
 struct IconButton;
@@ -46,6 +51,7 @@ public:
 	virtual QPointer<Ui::IconButton> addTopButton(
 		const style::IconButton &st,
 		Fn<void()> clickCallback) = 0;
+	virtual void showLoading(bool show) = 0;
 	virtual void updateButtonsPositions() = 0;
 
 	virtual void showBox(
@@ -74,7 +80,7 @@ public:
 
 };
 
-class BoxContent : public Ui::RpWidget, protected base::Subscriber {
+class BoxContent : public Ui::RpWidget {
 	Q_OBJECT
 
 public:
@@ -133,6 +139,9 @@ public:
 			std::move(clickCallback),
 			st);
 	}
+	void showLoading(bool show) {
+		getDelegate()->showLoading(show);
+	}
 	void updateButtonsGeometry() {
 		getDelegate()->updateButtonsPositions();
 	}
@@ -219,7 +228,8 @@ protected:
 
 	template <typename Widget>
 	object_ptr<Widget> takeInnerWidget() {
-		return static_object_cast<Widget>(doTakeInnerWidget());
+		return object_ptr<Widget>::fromRaw(
+			static_cast<Widget*>(doTakeInnerWidget().release()));
 	}
 
 	void setInnerVisible(bool scrollAreaVisible);
@@ -263,14 +273,12 @@ private:
 
 };
 
-class AbstractBox
-	: public Window::LayerWidget
-	, public BoxContentDelegate
-	, protected base::Subscriber {
+class AbstractBox : public Window::LayerWidget, public BoxContentDelegate {
 public:
 	AbstractBox(
 		not_null<Window::LayerStackWidget*> layer,
 		object_ptr<BoxContent> content);
+	~AbstractBox();
 
 	void parentResized() override;
 
@@ -294,6 +302,7 @@ public:
 	QPointer<Ui::IconButton> addTopButton(
 		const style::IconButton &st,
 		Fn<void()> clickCallback) override;
+	void showLoading(bool show) override;
 	void updateButtonsPositions() override;
 	QPointer<QWidget> outerContainer() override;
 
@@ -332,17 +341,19 @@ protected:
 	}
 
 private:
+	struct LoadingProgress;
+
 	void paintAdditionalTitle(Painter &p);
 	void updateTitlePosition();
-	void refreshLang();
 
-	bool hasTitle() const;
-	int titleHeight() const;
-	int buttonsHeight() const;
-	int buttonsTop() const;
-	int contentTop() const;
-	int countFullHeight() const;
-	int countRealHeight() const;
+	[[nodiscard]] bool hasTitle() const;
+	[[nodiscard]] int titleHeight() const;
+	[[nodiscard]] int buttonsHeight() const;
+	[[nodiscard]] int buttonsTop() const;
+	[[nodiscard]] int contentTop() const;
+	[[nodiscard]] int countFullHeight() const;
+	[[nodiscard]] int countRealHeight() const;
+	[[nodiscard]] QRect loadingRect() const;
 	void updateSize();
 
 	not_null<Window::LayerStackWidget*> _layer;
@@ -363,6 +374,7 @@ private:
 	std::vector<object_ptr<Ui::RoundButton>> _buttons;
 	object_ptr<Ui::RoundButton> _leftButton = { nullptr };
 	base::unique_qptr<Ui::IconButton> _topButton = { nullptr };
+	std::unique_ptr<LoadingProgress> _loadingProgress;
 
 };
 
@@ -417,3 +429,30 @@ private:
 	QPointer<BoxContent> _value;
 
 };
+
+// Legacy global method.
+namespace Ui {
+namespace internal {
+
+void showBox(
+	object_ptr<BoxContent> content,
+	LayerOptions options,
+	anim::type animated);
+
+} // namespace internal
+
+template <typename BoxType>
+QPointer<BoxType> show(
+		object_ptr<BoxType> content,
+		LayerOptions options = LayerOption::CloseOther,
+		anim::type animated = anim::type::normal) {
+	auto result = QPointer<BoxType>(content.data());
+	internal::showBox(std::move(content), options, animated);
+	return result;
+}
+
+void hideLayer(anim::type animated = anim::type::normal);
+void hideSettingsAndLayer(anim::type animated = anim::type::normal);
+bool isLayerShown();
+
+} // namespace Ui

Telegram/SourceFiles/boxes/add_contact_box.cpp

@@ -25,12 +25,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/window_session_controller.h"
 #include "ui/widgets/checkbox.h"
 #include "ui/widgets/buttons.h"
-#include "ui/widgets/input_fields.h"
 #include "ui/widgets/labels.h"
 #include "ui/toast/toast.h"
 #include "ui/special_buttons.h"
+#include "ui/special_fields.h"
 #include "ui/text_options.h"
 #include "ui/unread_badge.h"
+#include "ui/ui_utility.h"
 #include "data/data_channel.h"
 #include "data/data_chat.h"
 #include "data/data_user.h"
@@ -40,10 +41,15 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "apiwrap.h"
 #include "observer_peer.h"
 #include "main/main_session.h"
+#include "facades.h"
+
+#include <QtGui/QGuiApplication>
+#include <QtGui/QClipboard>
 
 namespace {
 
-constexpr auto kMaxGroupChannelTitle = 255; // See also edit_peer_info_box.
+constexpr auto kMaxGroupChannelTitle = 128; // See also edit_peer_info_box.
+constexpr auto kMaxUserFirstLastName = 64; // See also edit_contact_box.
 constexpr auto kMaxChannelDescription = 255; // See also edit_peer_info_box.
 constexpr auto kMinUsernameLength = 5;
 
@@ -58,6 +64,48 @@ bool IsValidPhone(QString phone) {
 				|| phone == qsl("4242")));
 }
 
+void ChatCreateDone(
+		not_null<Window::SessionNavigation*> navigation,
+		QImage image,
+		const MTPUpdates &updates) {
+	navigation->session().api().applyUpdates(updates);
+
+	auto success = base::make_optional(&updates)
+		| [](auto updates) -> std::optional<const QVector<MTPChat>*> {
+			switch (updates->type()) {
+			case mtpc_updates:
+				return &updates->c_updates().vchats().v;
+			case mtpc_updatesCombined:
+				return &updates->c_updatesCombined().vchats().v;
+			}
+			LOG(("API Error: unexpected update cons %1 "
+				"(GroupInfoBox::creationDone)").arg(updates->type()));
+			return std::nullopt;
+		}
+		| [](auto chats) {
+			return (!chats->empty()
+				&& chats->front().type() == mtpc_chat)
+				? base::make_optional(chats)
+				: std::nullopt;
+		}
+		| [&](auto chats) {
+			return navigation->session().data().chat(
+				chats->front().c_chat().vid().v);
+		}
+		| [&](not_null<ChatData*> chat) {
+			if (!image.isNull()) {
+				chat->session().api().uploadPeerPhoto(
+					chat,
+					std::move(image));
+			}
+			Ui::showPeerHistory(chat, ShowAtUnreadMsgId);
+		};
+	if (!success) {
+		LOG(("API Error: chat not found in updates "
+			"(ContactsBox::creationDone)"));
+	}
+}
+
 } // namespace
 
 style::InputField CreateBioFieldStyle() {
@@ -525,48 +573,14 @@ void GroupInfoBox::createGroup(
 		MTP_string(title)
 	)).done([=](const MTPUpdates &result) {
 		auto image = _photo->takeResultImage();
-		Ui::hideLayer();
+		const auto navigation = _navigation;
 
-		_navigation->session().api().applyUpdates(result);
-
-		auto success = base::make_optional(&result)
-			| [](auto updates) -> std::optional<const QVector<MTPChat>*> {
-				switch (updates->type()) {
-				case mtpc_updates:
-					return &updates->c_updates().vchats().v;
-				case mtpc_updatesCombined:
-					return &updates->c_updatesCombined().vchats().v;
-				}
-				LOG(("API Error: unexpected update cons %1 "
-					"(GroupInfoBox::creationDone)").arg(updates->type()));
-				return std::nullopt;
-			}
-			| [](auto chats) {
-				return (!chats->empty()
-					&& chats->front().type() == mtpc_chat)
-					? base::make_optional(chats)
-					: std::nullopt;
-			}
-			| [&](auto chats) {
-				return _navigation->session().data().chat(
-					chats->front().c_chat().vid().v);
-			}
-			| [&](not_null<ChatData*> chat) {
-				if (!image.isNull()) {
-					chat->session().api().uploadPeerPhoto(
-						chat,
-						std::move(image));
-				}
-				Ui::showPeerHistory(chat, ShowAtUnreadMsgId);
-			};
-		if (!success) {
-			LOG(("API Error: chat not found in updates "
-				"(ContactsBox::creationDone)"));
-		}
+		Ui::hideLayer(); // Destroys 'this'.
+		ChatCreateDone(navigation, std::move(image), result);
 	}).fail([=](const RPCError &error) {
 		_creationRequestId = 0;
 		if (error.type() == qstr("NO_CHAT_TITLE")) {
-			auto weak = make_weak(this);
+			auto weak = Ui::MakeWeak(this);
 			selectUsersBox->closeBox();
 			if (weak) {
 				_title->showError();
@@ -605,7 +619,7 @@ void GroupInfoBox::submit() {
 	if (_type != Type::Group) {
 		createChannel(title, description);
 	} else {
-		auto initBox = [title, weak = make_weak(this)](
+		auto initBox = [title, weak = Ui::MakeWeak(this)](
 				not_null<PeerListBox*> box) {
 			auto create = [box, title, weak] {
 				if (weak) {
@@ -1165,8 +1179,8 @@ void EditNameBox::prepare() {
 	if (_invertOrder) {
 		setTabOrder(_last, _first);
 	}
-	_first->setMaxLength(kMaxGroupChannelTitle);
-	_last->setMaxLength(kMaxGroupChannelTitle);
+	_first->setMaxLength(kMaxUserFirstLastName);
+	_last->setMaxLength(kMaxUserFirstLastName);
 
 	connect(_first, &Ui::InputField::submitted, [=] { submit(); });
 	connect(_last, &Ui::InputField::submitted, [=] { submit(); });
@@ -1349,7 +1363,7 @@ void RevokePublicLinkBox::Inner::updateSelected() {
 	PeerData *selected = nullptr;
 	auto top = _rowsTop;
 	for (const auto &row : _rows) {
-		auto revokeLink = rtlrect(width() - st::contactsPadding.right() - st::contactsCheckPosition.x() - _revokeWidth, top + st::contactsPadding.top() + (st::contactsPhotoSize - st::normalFont->height) / 2, _revokeWidth, st::normalFont->height, width());
+		auto revokeLink = style::rtlrect(width() - st::contactsPadding.right() - st::contactsCheckPosition.x() - _revokeWidth, top + st::contactsPadding.top() + (st::contactsPhotoSize - st::normalFont->height) / 2, _revokeWidth, st::normalFont->height, width());
 		if (revokeLink.contains(point)) {
 			selected = row.peer;
 			break;

Telegram/SourceFiles/boxes/add_contact_box.h

@@ -11,6 +11,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "mtproto/sender.h"
 #include "styles/style_widgets.h"
 
+#include <QtCore/QTimer>
+
 class ConfirmBox;
 class PeerListBox;
 
@@ -137,7 +139,10 @@ private:
 
 };
 
-class SetupChannelBox : public BoxContent, public RPCSender {
+class SetupChannelBox
+	: public BoxContent
+	, public RPCSender
+	, private base::Subscriber {
 public:
 	SetupChannelBox(
 		QWidget*,
@@ -232,7 +237,10 @@ private:
 
 };
 
-class RevokePublicLinkBox : public BoxContent, public RPCSender {
+class RevokePublicLinkBox
+	: public BoxContent
+	, public RPCSender
+	, private base::Subscriber {
 public:
 	RevokePublicLinkBox(
 		QWidget*,

Telegram/SourceFiles/boxes/auto_lock_box.cpp

@@ -11,6 +11,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "storage/localstorage.h"
 #include "mainwindow.h"
 #include "ui/widgets/checkbox.h"
+#include "facades.h"
 #include "styles/style_boxes.h"
 
 AutoLockBox::AutoLockBox(QWidget*, not_null<Main::Session*> session)

Telegram/SourceFiles/boxes/background_box.cpp

@@ -10,12 +10,15 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lang/lang_keys.h"
 #include "ui/effects/round_checkbox.h"
 #include "ui/image/image.h"
+#include "ui/ui_utility.h"
 #include "main/main_session.h"
 #include "apiwrap.h"
 #include "mtproto/sender.h"
 #include "data/data_session.h"
+#include "data/data_file_origin.h"
 #include "boxes/background_preview_box.h"
 #include "boxes/confirm_box.h"
+#include "app.h"
 #include "styles/style_overview.h"
 #include "styles/style_boxes.h"
 #include "styles/style_chat_helpers.h"
@@ -153,7 +156,7 @@ void BackgroundBox::prepare() {
 void BackgroundBox::removePaper(const Data::WallPaper &paper) {
 	const auto box = std::make_shared<QPointer<BoxContent>>();
 	const auto session = _session;
-	const auto remove = [=, weak = make_weak(this)]{
+	const auto remove = [=, weak = Ui::MakeWeak(this)]{
 		if (*box) {
 			(*box)->closeBox();
 		}
@@ -329,7 +332,7 @@ void BackgroundBox::Inner::paintPaper(
 	if (paper.data.id() == Window::Theme::Background()->id()) {
 		const auto checkLeft = x + st::backgroundSize.width() - st::overviewCheckSkip - st::overviewCheck.size;
 		const auto checkTop = y + st::backgroundSize.height() - st::overviewCheckSkip - st::overviewCheck.size;
-		_check->paint(p, crl::now(), checkLeft, checkTop, width());
+		_check->paint(p, checkLeft, checkTop, width());
 	} else if (Data::IsCloudWallPaper(paper.data)
 		&& !Data::IsDefaultWallPaper(paper.data)
 		&& over.has_value()

Telegram/SourceFiles/boxes/background_preview_box.cpp

@@ -13,6 +13,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/toast/toast.h"
 #include "ui/image/image.h"
 #include "ui/widgets/checkbox.h"
+#include "ui/ui_utility.h"
 #include "history/history.h"
 #include "history/history_message.h"
 #include "history/view/history_view_message.h"
@@ -24,9 +25,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/unixtime.h"
 #include "boxes/confirm_box.h"
 #include "boxes/background_preview_box.h"
+#include "app.h"
 #include "styles/style_history.h"
 #include "styles/style_boxes.h"
 
+#include <QtGui/QClipboard>
+#include <QtGui/QGuiApplication>
+
 namespace {
 
 constexpr auto kMaxWallPaperSlugLength = 255;
@@ -221,7 +226,7 @@ void ServiceCheck::Generator::invalidate() {
 
 ServiceCheck::Generator &ServiceCheck::Frames() {
 	static const auto Instance = Ui::CreateChild<Generator>(
-		QApplication::instance());
+		QCoreApplication::instance());
 	return *Instance;
 }
 
@@ -284,12 +289,14 @@ AdminLog::OwnedItem GenerateTextItem(
 	const auto flags = Flag::f_entities
 		| Flag::f_from_id
 		| (out ? Flag::f_out : Flag(0));
+	const auto clientFlags = MTPDmessage_ClientFlag::f_fake_history_item;
 	const auto replyTo = 0;
 	const auto viaBotId = 0;
 	const auto item = history->owner().makeMessage(
 		history,
 		++id,
 		flags,
+		clientFlags,
 		replyTo,
 		viaBotId,
 		base::unixtime::now(),
@@ -496,7 +503,7 @@ void BackgroundPreviewBox::apply() {
 }
 
 void BackgroundPreviewBox::share() {
-	QApplication::clipboard()->setText(_paper.shareUrl());
+	QGuiApplication::clipboard()->setText(_paper.shareUrl());
 	Ui::Toast::Show(tr::lng_background_link_copied(tr::now));
 }
 

Telegram/SourceFiles/boxes/background_preview_box.h

@@ -25,7 +25,8 @@ class Checkbox;
 
 class BackgroundPreviewBox
 	: public BoxContent
-	, private HistoryView::SimpleElementDelegate {
+	, private HistoryView::SimpleElementDelegate
+	, private base::Subscriber {
 public:
 	BackgroundPreviewBox(
 		QWidget*,

Telegram/SourceFiles/boxes/boxes.style

@@ -161,6 +161,12 @@ boxPhotoCompressedSkip: 20px;
 boxPhotoCaptionSkip: 8px;
 boxPhotoTextFg: windowSubTextFg;
 
+boxLoadingAnimation: InfiniteRadialAnimation(defaultInfiniteRadialAnimation) {
+	color: windowSubTextFg;
+	thickness: 2px;
+}
+boxLoadingSize: 20px;
+
 cropPointSize: 10px;
 cropSkip: 13px;
 cropMinSize: 20px;
@@ -321,12 +327,14 @@ contactsMultiSelect: MultiSelect {
 }
 contactsPhotoCheckIcon: icon {{
 	"default_checkbox_check",
-	windowFgActive,
+	overviewCheckFgActive,
 	point(3px, 6px)
 }};
 contactsPhotoCheck: RoundCheckbox(defaultRoundCheckbox) {
 	size: 20px;
 	sizeSmall: 0.3;
+	bgInactive: overviewCheckBg;
+	bgActive: overviewCheckBgActive;
 	check: contactsPhotoCheckIcon;
 }
 contactsPhotoCheckbox: RoundImageCheckbox {
@@ -877,6 +885,21 @@ themesScroll: ScrollArea(defaultScrollArea) {
 	bottomsh: 0px;
 	topsh: 0px;
 }
+themesMenuToggle: IconButton(defaultIconButton) {
+	width: 44px;
+	height: 44px;
+
+	icon: icon {{ "title_menu_dots", menuIconFg }};
+	iconOver: icon {{ "title_menu_dots", menuIconFgOver }};
+	iconPosition: point(-1px, -1px);
+
+	rippleAreaPosition: point(4px, 4px);
+	rippleAreaSize: 36px;
+	ripple: RippleAnimation(defaultRippleAnimation) {
+		color: windowBgOver;
+	}
+}
+themesMenuPosition: point(-2px, 25px);
 
 createPollField: InputField(defaultInputField) {
 	font: boxTextFont;

Telegram/SourceFiles/boxes/calendar_box.cpp

@@ -8,10 +8,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/calendar_box.h"
 
 #include "ui/widgets/buttons.h"
-#include "styles/style_boxes.h"
-#include "styles/style_dialogs.h"
 #include "lang/lang_keys.h"
 #include "ui/effects/ripple_animation.h"
+#include "ui/ui_utility.h"
+#include "styles/style_boxes.h"
+#include "styles/style_dialogs.h"
 
 namespace {
 
@@ -27,6 +28,11 @@ public:
 		_month.setForced(_month.value(), true);
 	}
 
+	void setBeginningButton(bool enabled);
+	bool hasBeginningButton() const {
+		return _beginningButton;
+	}
+
 	void setMinDate(QDate date);
 	void setMaxDate(QDate date);
 
@@ -55,6 +61,9 @@ public:
 	bool isEnabled(int index) const {
 		return (index >= _minDayIndex) && (index <= _maxDayIndex);
 	}
+	bool atBeginning() const {
+		return _highlighted == _min;
+	}
 
 	const base::Variable<QDate> &month() {
 		return _month;
@@ -69,6 +78,8 @@ private:
 	static int daysShiftForMonth(QDate month);
 	static int rowsCountForMonth(QDate month);
 
+	bool _beginningButton = false;
+
 	base::Variable<QDate> _month;
 	QDate _min, _max;
 	QDate _highlighted;
@@ -86,6 +97,10 @@ CalendarBox::Context::Context(QDate month, QDate highlighted) : _highlighted(hig
 	showMonth(month);
 }
 
+void CalendarBox::Context::setBeginningButton(bool enabled) {
+	_beginningButton = enabled;
+}
+
 void CalendarBox::Context::setMinDate(QDate date) {
 	_min = date;
 	applyMonth(_month.value(), true);
@@ -192,6 +207,7 @@ public:
 
 	int countHeight();
 	void setDateChosenCallback(Fn<void(QDate)> callback);
+	void selectBeginning();
 
 	~Inner();
 
@@ -243,7 +259,7 @@ void CalendarBox::Inner::monthChanged(QDate month) {
 	_ripples.clear();
 	resizeToCurrent();
 	update();
-	sendSynteticMouseEvent(this, QEvent::MouseMove, Qt::NoButton);
+	Ui::SendSynteticMouseEvent(this, QEvent::MouseMove, Qt::NoButton);
 }
 
 void CalendarBox::Inner::resizeToCurrent() {
@@ -389,7 +405,10 @@ void CalendarBox::Inner::mouseReleaseEvent(QMouseEvent *e) {
 	auto pressed = _pressed;
 	setPressed(kEmptySelection);
 	if (pressed != kEmptySelection && pressed == _selected) {
-		_dateChosenCallback(_context->dateFromIndex(pressed));
+		crl::on_main(this, [=] {
+			const auto onstack = _dateChosenCallback;
+			onstack(_context->dateFromIndex(pressed));
+		});
 	}
 }
 
@@ -417,6 +436,10 @@ void CalendarBox::Inner::setDateChosenCallback(Fn<void(QDate)> callback) {
 	_dateChosenCallback = std::move(callback);
 }
 
+void CalendarBox::Inner::selectBeginning() {
+	_dateChosenCallback(_context->dateFromIndex(_context->minDayIndex()));
+}
+
 CalendarBox::Inner::~Inner() = default;
 
 class CalendarBox::Title : public TWidget, private base::Subscriber {
@@ -494,6 +517,14 @@ void CalendarBox::setMaxDate(QDate date) {
 	_context->setMaxDate(date);
 }
 
+bool CalendarBox::hasBeginningButton() const {
+	return _context->hasBeginningButton();
+}
+
+void CalendarBox::setBeginningButton(bool enabled) {
+	_context->setBeginningButton(enabled);
+}
+
 void CalendarBox::prepare() {
 	_previous->setClickedCallback([this] { goPreviousMonth(); });
 	_next->setClickedCallback([this] { goNextMonth(); });
@@ -510,6 +541,9 @@ void CalendarBox::prepare() {
 	if (_finalize) {
 		_finalize(this);
 	}
+	if (!_context->atBeginning() && hasBeginningButton()) {
+		addLeftButton(tr::lng_calendar_beginning(), [this] { _inner->selectBeginning(); });
+	}
 }
 
 bool CalendarBox::isPreviousEnabled() const {
@@ -555,6 +589,8 @@ void CalendarBox::resizeEvent(QResizeEvent *e) {
 void CalendarBox::keyPressEvent(QKeyEvent *e) {
 	if (e->key() == Qt::Key_Escape) {
 		e->ignore();
+	} else if (e->key() == Qt::Key_Home) {
+		_inner->selectBeginning();
 	} else if (e->key() == Qt::Key_Left) {
 		goPreviousMonth();
 	} else if (e->key() == Qt::Key_Right) {

Telegram/SourceFiles/boxes/calendar_box.h

@@ -17,7 +17,7 @@ namespace Ui {
 class IconButton;
 } // namespace Ui
 
-class CalendarBox : public BoxContent {
+class CalendarBox : public BoxContent, private base::Subscriber {
 public:
 	CalendarBox(
 		QWidget*,
@@ -33,6 +33,8 @@ public:
 		FnMut<void(not_null<CalendarBox*>)> finalize,
 		const style::CalendarSizes &st);
 
+	void setBeginningButton(bool enabled);
+	bool hasBeginningButton() const;
 
 	void setMinDate(QDate date);
 	void setMaxDate(QDate date);

Telegram/SourceFiles/boxes/change_phone_box.cpp

@@ -13,11 +13,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/wrap/fade_wrap.h"
 #include "ui/toast/toast.h"
 #include "ui/text/text_utilities.h"
+#include "ui/special_fields.h"
 #include "boxes/confirm_phone_box.h"
 #include "boxes/confirm_box.h"
 #include "main/main_session.h"
 #include "data/data_session.h"
 #include "data/data_user.h"
+#include "app.h"
 #include "styles/style_boxes.h"
 
 namespace {
@@ -308,7 +310,7 @@ void ChangePhoneBox::EnterCode::submit() {
 
 	const auto session = _session;
 	const auto code = _code->getDigitsOnly();
-	const auto weak = make_weak(this);
+	const auto weak = Ui::MakeWeak(this);
 	_requestId = MTP::send(MTPaccount_ChangePhone(
 		MTP_string(_phone),
 		MTP_string(_hash),

Telegram/SourceFiles/boxes/confirm_box.cpp

@@ -25,6 +25,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "core/click_handler_types.h"
 #include "window/window_session_controller.h"
 #include "storage/localstorage.h"
+#include "data/data_scheduled_messages.h"
 #include "data/data_session.h"
 #include "data/data_photo.h"
 #include "data/data_channel.h"
@@ -33,6 +34,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/unixtime.h"
 #include "main/main_session.h"
 #include "observer_peer.h"
+#include "facades.h"
+#include "app.h"
+
+#include <QtGui/QGuiApplication>
+#include <QtGui/QClipboard>
 
 TextParseOptions _confirmBoxTextOptions = {
 	TextParseLinks | TextParseMultiline | TextParseMarkdown | TextParseRichText, // flags
@@ -248,8 +254,9 @@ void ConfirmBox::mouseReleaseEvent(QMouseEvent *e) {
 	_lastMousePos = e->globalPos();
 	updateHover();
 	if (const auto activated = ClickHandler::unpressed()) {
+		const auto guard = window();
 		Ui::hideLayer();
-		App::activateClickHandler(activated, e->button());
+		ActivateClickHandler(guard, activated, e->button());
 		return;
 	}
 	BoxContent::mouseReleaseEvent(e);
@@ -542,10 +549,11 @@ void DeleteMessagesBox::prepare() {
 			: tr::lng_selected_delete_sure(tr::now, lt_count, _ids.size());
 		if (const auto peer = checkFromSinglePeer()) {
 			auto count = int(_ids.size());
-			if (auto revoke = revokeText(peer)) {
+			if (hasScheduledMessages()) {
+			} else if (auto revoke = revokeText(peer)) {
 				_revoke.create(this, revoke->checkbox, false, st::defaultBoxCheckbox);
 				appendDetails(std::move(revoke->description));
-			} else if (peer && peer->isChannel()) {
+			} else if (peer->isChannel()) {
 				if (peer->isMegagroup()) {
 					appendDetails({ tr::lng_delete_for_everyone_hint(tr::now, lt_count, count) });
 				}
@@ -580,6 +588,17 @@ void DeleteMessagesBox::prepare() {
 	setDimensions(st::boxWidth, fullHeight);
 }
 
+bool DeleteMessagesBox::hasScheduledMessages() const {
+	for (const auto fullId : std::as_const(_ids)) {
+		if (const auto item = _session->data().message(fullId)) {
+			if (item->isScheduled()) {
+				return true;
+			}
+		}
+	}
+	return false;
+}
+
 PeerData *DeleteMessagesBox::checkFromSinglePeer() const {
 	auto result = (PeerData*)nullptr;
 	for (const auto fullId : std::as_const(_ids)) {
@@ -765,9 +784,21 @@ void DeleteMessagesBox::deleteAndClear() {
 	}
 
 	base::flat_map<not_null<PeerData*>, QVector<MTPint>> idsByPeer;
+	base::flat_map<not_null<PeerData*>, QVector<MTPint>> scheduledIdsByPeer;
 	for (const auto itemId : _ids) {
 		if (const auto item = _session->data().message(itemId)) {
 			const auto history = item->history();
+			if (item->isScheduled()) {
+				const auto wasOnServer = !item->isSending()
+					&& !item->hasFailed();
+				if (wasOnServer) {
+					scheduledIdsByPeer[history->peer].push_back(MTP_int(
+						_session->data().scheduledMessages().lookupId(item)));
+				} else {
+					_session->data().scheduledMessages().removeSending(item);
+				}
+				continue;
+			}
 			const auto wasOnServer = IsServerMsgId(item->id);
 			const auto wasLast = (history->lastMessage() == item);
 			const auto wasInChats = (history->chatListMessage() == item);
@@ -784,6 +815,15 @@ void DeleteMessagesBox::deleteAndClear() {
 	for (const auto &[peer, ids] : idsByPeer) {
 		peer->session().api().deleteMessages(peer, ids, revoke);
 	}
+	for (const auto &[peer, ids] : scheduledIdsByPeer) {
+		peer->session().api().request(MTPmessages_DeleteScheduledMessages(
+			peer->input,
+			MTP_vector<MTPint>(ids)
+		)).done([=, peer=peer](const MTPUpdates &updates) {
+			peer->session().api().applyUpdates(updates);
+		}).send();
+	}
+
 	const auto session = _session;
 	Ui::hideLayer();
 	session->data().sendHistoryChangeNotifications();
@@ -870,7 +910,9 @@ void ConfirmInviteBox::prepare() {
 		for (const auto user : _participants) {
 			auto name = new Ui::FlatLabel(this, st::confirmInviteUserName);
 			name->resizeToWidth(st::confirmInviteUserPhotoSize + padding);
-			name->setText(user->firstName.isEmpty() ? App::peerName(user) : user->firstName);
+			name->setText(user->firstName.isEmpty()
+				? user->name
+				: user->firstName);
 			name->moveToLeft(left + (padding / 2), st::confirmInviteUserNameTop);
 			left += _userWidth;
 		}

Telegram/SourceFiles/boxes/confirm_box.h

@@ -95,7 +95,7 @@ public:
 
 };
 
-class MaxInviteBox : public BoxContent {
+class MaxInviteBox : public BoxContent, private base::Subscriber {
 public:
 	MaxInviteBox(QWidget*, not_null<ChannelData*> channel);
 
@@ -176,8 +176,10 @@ private:
 		TextWithEntities description;
 	};
 	void deleteAndClear();
-	PeerData *checkFromSinglePeer() const;
-	std::optional<RevokeConfig> revokeText(not_null<PeerData*> peer) const;
+	[[nodiscard]] PeerData *checkFromSinglePeer() const;
+	[[nodiscard]] bool hasScheduledMessages() const;
+	[[nodiscard]] std::optional<RevokeConfig> revokeText(
+		not_null<PeerData*> peer) const;
 
 	const not_null<Main::Session*> _session;
 
@@ -199,7 +201,10 @@ private:
 
 };
 
-class ConfirmInviteBox : public BoxContent, public RPCSender {
+class ConfirmInviteBox
+	: public BoxContent
+	, public RPCSender
+	, private base::Subscriber {
 public:
 	ConfirmInviteBox(
 		QWidget*,

Telegram/SourceFiles/boxes/confirm_phone_box.cpp

@@ -18,6 +18,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "platform/platform_info.h" // Platform::SystemVersionPretty
 #include "mainwidget.h"
 #include "numbers.h"
+#include "app.h"
 #include "lang/lang_keys.h"
 
 namespace {

Telegram/SourceFiles/boxes/connection_box.cpp

@@ -24,10 +24,14 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/effects/animations.h"
 #include "ui/effects/radial_animation.h"
 #include "ui/text_options.h"
+#include "facades.h"
 #include "styles/style_boxes.h"
 #include "styles/style_chat_helpers.h"
 #include "styles/style_info.h"
 
+#include <QtGui/QGuiApplication>
+#include <QtGui/QClipboard>
+
 namespace {
 
 constexpr auto kSaveSettingsDelayedTimeout = crl::time(1000);
@@ -411,7 +415,7 @@ void ProxyRow::paintCheck(Painter &p) {
 	pen.setCapStyle(Qt::RoundCap);
 	p.setPen(pen);
 	p.setBrush(_st->bg);
-	const auto rect = rtlrect(QRectF(left, top, _st->diameter, _st->diameter).marginsRemoved(QMarginsF(_st->thickness / 2., _st->thickness / 2., _st->thickness / 2., _st->thickness / 2.)), outerWidth);
+	const auto rect = style::rtlrect(QRectF(left, top, _st->diameter, _st->diameter).marginsRemoved(QMarginsF(_st->thickness / 2., _st->thickness / 2., _st->thickness / 2., _st->thickness / 2.)), outerWidth);
 	if (_progress && loading.shown > 0 && anim::Disabled()) {
 		anim::DrawStaticLoading(
 			p,
@@ -430,7 +434,7 @@ void ProxyRow::paintCheck(Painter &p) {
 		p.setBrush(anim::brush(_st->untoggledFg, _st->toggledFg, toggled * set));
 
 		auto skip0 = _st->diameter / 2., skip1 = _st->skip / 10., checkSkip = skip0 * (1. - toggled) + skip1 * toggled;
-		p.drawEllipse(rtlrect(QRectF(left, top, _st->diameter, _st->diameter).marginsRemoved(QMarginsF(checkSkip, checkSkip, checkSkip, checkSkip)), outerWidth));
+		p.drawEllipse(style::rtlrect(QRectF(left, top, _st->diameter, _st->diameter).marginsRemoved(QMarginsF(checkSkip, checkSkip, checkSkip, checkSkip)), outerWidth));
 	}
 }
 
@@ -1426,7 +1430,7 @@ void ProxiesBoxController::share(const ProxyData &proxy) {
 			? "&pass=" + qthelp::url_encode(proxy.password) : "")
 		+ ((proxy.type == Type::Mtproto && !proxy.password.isEmpty())
 			? "&secret=" + proxy.password : "");
-	QApplication::clipboard()->setText(link);
+	QGuiApplication::clipboard()->setText(link);
 	Ui::Toast::Show(tr::lng_username_copied(tr::now));
 }
 
@@ -1434,7 +1438,7 @@ ProxiesBoxController::~ProxiesBoxController() {
 	if (_saveTimer.isActive()) {
 		App::CallDelayed(
 			kSaveSettingsDelayedTimeout,
-			QApplication::instance(),
+			QCoreApplication::instance(),
 			[] { Local::writeSettings(); });
 	}
 }

Telegram/SourceFiles/boxes/create_poll_box.cpp

@@ -19,8 +19,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "main/main_session.h"
 #include "core/event_filter.h"
 #include "chat_helpers/emoji_suggestions_widget.h"
+#include "chat_helpers/message_field.h"
+#include "history/view/history_view_schedule_box.h"
 #include "settings/settings_common.h"
 #include "base/unique_qptr.h"
+#include "facades.h"
 #include "styles/style_boxes.h"
 #include "styles/style_settings.h"
 
@@ -521,11 +524,11 @@ void Options::addEmptyOption() {
 	Core::InstallEventFilter(field, [=](not_null<QEvent*> event) {
 		if (event->type() != QEvent::KeyPress
 			|| !field->getLastText().isEmpty()) {
-			return false;
+			return Core::EventFilter::Result::Continue;
 		}
 		const auto key = static_cast<QKeyEvent*>(event.get())->key();
 		if (key != Qt::Key_Backspace) {
-			return false;
+			return Core::EventFilter::Result::Continue;
 		}
 
 		const auto index = findField(field);
@@ -534,7 +537,7 @@ void Options::addEmptyOption() {
 		} else {
 			_backspaceInFront.fire({});
 		}
-		return true;
+		return Core::EventFilter::Result::Cancel;
 	});
 
 	_list.back().removeClicks(
@@ -592,11 +595,15 @@ void Options::checkLastOption() {
 
 } // namespace
 
-CreatePollBox::CreatePollBox(QWidget*, not_null<Main::Session*> session)
-: _session(session) {
+CreatePollBox::CreatePollBox(
+	QWidget*,
+	not_null<Main::Session*> session,
+	Api::SendType sendType)
+: _session(session)
+, _sendType(sendType) {
 }
 
-rpl::producer<PollData> CreatePollBox::submitRequests() const {
+rpl::producer<CreatePollBox::Result> CreatePollBox::submitRequests() const {
 	return _submitRequests.events();
 }
 
@@ -703,6 +710,22 @@ object_ptr<Ui::RpWidget> CreatePollBox::setupContent() {
 		result.answers = options->toPollAnswers();
 		return result;
 	};
+	const auto send = [=](Api::SendOptions options) {
+		_submitRequests.fire({ collectResult(), options });
+	};
+	const auto sendSilent = [=] {
+		auto options = Api::SendOptions();
+		options.silent = true;
+		send(options);
+	};
+	const auto sendScheduled = [=] {
+		Ui::show(
+			HistoryView::PrepareScheduleBox(
+				this,
+				SendMenuType::Scheduled,
+				send),
+			LayerOption::KeepOther);
+	};
 	const auto updateValid = [=] {
 		valid->fire(isValidQuestion() && options->isValid());
 	};
@@ -715,9 +738,16 @@ object_ptr<Ui::RpWidget> CreatePollBox::setupContent() {
 	) | rpl::start_with_next([=](bool valid) {
 		clearButtons();
 		if (valid) {
-			addButton(
+			const auto submit = addButton(
 				tr::lng_polls_create_button(),
-				[=] { _submitRequests.fire(collectResult()); });
+				[=] { send({}); });
+			if (_sendType == Api::SendType::Normal) {
+				SetupSendMenu(
+					submit.data(),
+					[=] { return SendMenuType::Scheduled; },
+					sendSilent,
+					sendScheduled);
+			}
 		}
 		addButton(tr::lng_cancel(), [=] { closeBox(); });
 	}, lifetime());

Telegram/SourceFiles/boxes/create_poll_box.h

@@ -8,6 +8,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "boxes/abstract_box.h"
+#include "api/api_common.h"
+#include "data/data_poll.h"
 
 struct PollData;
 
@@ -21,9 +23,17 @@ class Session;
 
 class CreatePollBox : public BoxContent {
 public:
-	CreatePollBox(QWidget*, not_null<Main::Session*> session);
+	struct Result {
+		PollData poll;
+		Api::SendOptions options;
+	};
 
-	rpl::producer<PollData> submitRequests() const;
+	CreatePollBox(
+		QWidget*,
+		not_null<Main::Session*> session,
+		Api::SendType sendType);
+
+	rpl::producer<Result> submitRequests() const;
 	void submitFailed(const QString &error);
 
 	void setInnerFocus() override;
@@ -37,8 +47,9 @@ private:
 		not_null<Ui::VerticalLayout*> container);
 
 	const not_null<Main::Session*> _session;
+	const Api::SendType _sendType = Api::SendType();
 	Fn<void()> _setInnerFocus;
 	Fn<rpl::producer<bool>()> _dataIsValidValue;
-	rpl::event_stream<PollData> _submitRequests;
+	rpl::event_stream<Result> _submitRequests;
 
 };

Telegram/SourceFiles/boxes/download_path_box.cpp

@@ -13,6 +13,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/checkbox.h"
 #include "ui/widgets/buttons.h"
 #include "platform/platform_specific.h"
+#include "facades.h"
 #include "styles/style_boxes.h"
 
 DownloadPathBox::DownloadPathBox(QWidget *parent)

Telegram/SourceFiles/boxes/edit_caption_box.cpp

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/edit_caption_box.h"
 
 #include "apiwrap.h"
+#include "api/api_text_entities.h"
 #include "main/main_session.h"
 #include "chat_helpers/emoji_suggestions_widget.h"
 #include "chat_helpers/message_field.h"
@@ -21,6 +22,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_photo.h"
 #include "data/data_user.h"
 #include "data/data_session.h"
+#include "data/data_file_origin.h"
 #include "history/history.h"
 #include "history/history_item.h"
 #include "lang/lang_keys.h"
@@ -31,12 +33,17 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "styles/style_chat_helpers.h"
 #include "styles/style_history.h"
 #include "ui/image/image.h"
+#include "ui/widgets/input_fields.h"
+#include "ui/widgets/checkbox.h"
+#include "ui/widgets/checkbox.h"
 #include "ui/special_buttons.h"
 #include "ui/text_options.h"
-#include "ui/widgets/input_fields.h"
 #include "window/window_session_controller.h"
-#include "ui/widgets/checkbox.h"
 #include "confirm_box.h"
+#include "facades.h"
+#include "app.h"
+
+#include <QtCore/QMimeData>
 
 EditCaptionBox::EditCaptionBox(
 	QWidget*,
@@ -277,14 +284,13 @@ EditCaptionBox::EditCaptionBox(
 	}, _wayWrap->lifetime());
 }
 
-bool EditCaptionBox::emojiFilter(not_null<QEvent*> event) {
+void EditCaptionBox::emojiFilterForGeometry(not_null<QEvent*> event) {
 	const auto type = event->type();
 	if (type == QEvent::Move || type == QEvent::Resize) {
 		// updateEmojiPanelGeometry uses not only container geometry, but
 		// also container children geometries that will be updated later.
 		crl::on_main(this, [=] { updateEmojiPanelGeometry(); });
 	}
-	return false;
 }
 
 void EditCaptionBox::updateEmojiPanelGeometry() {
@@ -711,14 +717,16 @@ void EditCaptionBox::setupEmojiPanel() {
 		st::emojiPanMinHeight / 2,
 		st::emojiPanMinHeight);
 	_emojiPanel->hide();
-	_emojiPanel->getSelector()->emojiChosen(
+	_emojiPanel->selector()->emojiChosen(
 	) | rpl::start_with_next([=](EmojiPtr emoji) {
 		Ui::InsertEmojiAtCursor(_field->textCursor(), emoji);
 	}, lifetime());
 
-	_emojiFilter.reset(Core::InstallEventFilter(
-		container,
-		[=](not_null<QEvent*> event) { return emojiFilter(event); }));
+	const auto filterCallback = [=](not_null<QEvent*> event) {
+		emojiFilterForGeometry(event);
+		return Core::EventFilter::Result::Continue;
+	};
+	_emojiFilter.reset(Core::InstallEventFilter(container, filterCallback));
 
 	_emojiToggle.create(this, st::boxAttachEmoji);
 	_emojiToggle->installEventFilter(_emojiPanel);
@@ -807,10 +815,10 @@ void EditCaptionBox::paintEvent(QPaintEvent *e) {
 //		App::roundRect(p, x, y, w, h, st::msgInBg, MessageInCorners, &st::msgInShadow);
 
 		if (_thumbw) {
-			QRect rthumb(rtlrect(x + 0, y + 0, st::msgFileThumbSize, st::msgFileThumbSize, width()));
+			QRect rthumb(style::rtlrect(x + 0, y + 0, st::msgFileThumbSize, st::msgFileThumbSize, width()));
 			p.drawPixmap(rthumb.topLeft(), _thumb);
 		} else {
-			const QRect inner(rtlrect(x + 0, y + 0, st::msgFileSize, st::msgFileSize, width()));
+			const QRect inner(style::rtlrect(x + 0, y + 0, st::msgFileSize, st::msgFileSize, width()));
 			p.setPen(Qt::NoPen);
 			p.setBrush(st::msgFileInBg);
 
@@ -893,7 +901,7 @@ void EditCaptionBox::save() {
 	const auto textWithTags = _field->getTextWithAppliedMarkdown();
 	auto sending = TextWithEntities{
 		textWithTags.text,
-		ConvertTextTagsToEntities(textWithTags.tags)
+		TextUtilities::ConvertTextTagsToEntities(textWithTags.tags)
 	};
 	const auto prepareFlags = Ui::ItemTextOptions(
 		item->history(),
@@ -901,9 +909,9 @@ void EditCaptionBox::save() {
 	TextUtilities::PrepareForSending(sending, prepareFlags);
 	TextUtilities::Trim(sending);
 
-	const auto sentEntities = TextUtilities::EntitiesToMTP(
+	const auto sentEntities = Api::EntitiesToMTP(
 		sending.entities,
-		TextUtilities::ConvertOption::SkipLocal);
+		Api::ConvertOption::SkipLocal);
 	if (!sentEntities.v.isEmpty()) {
 		flags |= MTPmessages_EditMessage::Flag::f_entities;
 	}
@@ -912,7 +920,7 @@ void EditCaptionBox::save() {
 		const auto textWithTags = _field->getTextWithAppliedMarkdown();
 		auto sending = TextWithEntities{
 			textWithTags.text,
-			ConvertTextTagsToEntities(textWithTags.tags)
+			TextUtilities::ConvertTextTagsToEntities(textWithTags.tags)
 		};
 		item->setText(sending);
 
@@ -920,7 +928,7 @@ void EditCaptionBox::save() {
 			std::move(_preparedList),
 			(!_asFile && _photo) ? SendMediaType::Photo : SendMediaType::File,
 			_field->getTextWithAppliedMarkdown(),
-			ApiWrap::SendOptions(item->history()),
+			Api::SendAction(item->history()),
 			item->fullId().msg);
 		closeBox();
 		return;
@@ -934,7 +942,8 @@ void EditCaptionBox::save() {
 			MTP_string(sending.text),
 			MTPInputMedia(),
 			MTPReplyMarkup(),
-			sentEntities),
+			sentEntities,
+			MTP_int(0)), // schedule_date
 		rpcDone(&EditCaptionBox::saveDone),
 		rpcFail(&EditCaptionBox::saveFail));
 }

Telegram/SourceFiles/boxes/edit_caption_box.h

@@ -10,7 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/abstract_box.h"
 #include "storage/storage_media_prepare.h"
 #include "ui/wrap/slide_wrap.h"
-#include <rpl/event_stream.h>
+#include "media/clip/media_clip_reader.h"
 
 namespace ChatHelpers {
 class TabbedPanel;
@@ -35,7 +35,10 @@ namespace Window {
 class SessionController;
 } // namespace Window
 
-class EditCaptionBox : public BoxContent, public RPCSender {
+class EditCaptionBox
+	: public BoxContent
+	, public RPCSender
+	, private base::Subscriber {
 public:
 	EditCaptionBox(
 		QWidget*,
@@ -57,7 +60,7 @@ private:
 
 	void setupEmojiPanel();
 	void updateEmojiPanelGeometry();
-	bool emojiFilter(not_null<QEvent*> event);
+	void emojiFilterForGeometry(not_null<QEvent*> event);
 
 	void save();
 	void captionResized();

Telegram/SourceFiles/boxes/edit_color_box.cpp

@@ -8,15 +8,17 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/edit_color_box.h"
 
 #include "lang/lang_keys.h"
-#include "styles/style_boxes.h"
 #include "ui/widgets/shadow.h"
-#include "platform/platform_info.h"
-#include "styles/style_mediaview.h"
 #include "ui/widgets/input_fields.h"
+#include "ui/ui_utility.h"
+#include "platform/platform_info.h"
+#include "app.h"
+#include "styles/style_boxes.h"
+#include "styles/style_mediaview.h"
 
 class EditColorBox::Picker : public TWidget {
 public:
-	Picker(QWidget *parent, QColor color);
+	Picker(QWidget *parent, Mode mode, QColor color);
 
 	float64 valueX() const {
 		return _x;
@@ -28,7 +30,7 @@ public:
 	base::Observable<void> &changed() {
 		return _changed;
 	}
-	void setHSV(int hue, int saturation, int brightness);
+	void setHSB(HSB hsb);
 	void setRGB(int red, int green, int blue);
 
 protected:
@@ -43,8 +45,11 @@ private:
 	QCursor generateCursor();
 
 	void preparePalette();
+	void preparePaletteRGBA();
+	void preparePaletteHSL();
 	void updateCurrentPoint(QPoint localPosition);
 
+	Mode _mode;
 	QColor _topleft;
 	QColor _topright;
 	QColor _bottomleft;
@@ -61,8 +66,8 @@ private:
 };
 
 QCursor EditColorBox::Picker::generateCursor() {
-	auto diameter = ConvertScale(16);
-	auto line = ConvertScale(1);
+	auto diameter = style::ConvertScale(16);
+	auto line = style::ConvertScale(1);
 	auto size = ((diameter + 2 * line) >= 32) ? 64 : 32;
 	auto cursor = QImage(QSize(size, size) * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
 	cursor.setDevicePixelRatio(cRetinaFactor());
@@ -84,7 +89,9 @@ QCursor EditColorBox::Picker::generateCursor() {
 	return QCursor(QPixmap::fromImage(cursor));
 }
 
-EditColorBox::Picker::Picker(QWidget *parent, QColor color) : TWidget(parent) {
+EditColorBox::Picker::Picker(QWidget *parent, Mode mode, QColor color)
+: TWidget(parent)
+, _mode(mode) {
 	setCursor(generateCursor());
 
 	auto size = QSize(st::colorPickerSize, st::colorPickerSize);
@@ -137,18 +144,27 @@ void EditColorBox::Picker::preparePalette() {
 	if (!_paletteInvalidated) return;
 	_paletteInvalidated = false;
 
-	auto size = _palette.width();
+	if (_mode == Mode::RGBA) {
+		preparePaletteRGBA();
+	} else {
+		preparePaletteHSL();
+	}
+	_palette.setDevicePixelRatio(cRetinaFactor());
+}
+
+void EditColorBox::Picker::preparePaletteRGBA() {
+	const auto size = _palette.width();
 	auto ints = reinterpret_cast<uint32*>(_palette.bits());
-	auto intsAddPerLine = (_palette.bytesPerLine() - size * sizeof(uint32)) / sizeof(uint32);
+	const auto intsAddPerLine = (_palette.bytesPerLine() - size * sizeof(uint32)) / sizeof(uint32);
 
 	constexpr auto Large = 1024 * 1024;
 	constexpr auto LargeBit = 20; // n / Large == (n >> LargeBit)
-	auto part = Large / size;
+	const auto part = Large / size;
 
-	auto topleft = anim::shifted(_topleft);
-	auto topright = anim::shifted(_topright);
-	auto bottomleft = anim::shifted(_bottomleft);
-	auto bottomright = anim::shifted(_bottomright);
+	const auto topleft = anim::shifted(_topleft);
+	const auto topright = anim::shifted(_topright);
+	const auto bottomleft = anim::shifted(_bottomleft);
+	const auto bottomright = anim::shifted(_bottomright);
 
 	auto y_accumulated = 0;
 	for (auto y = 0; y != size; ++y, y_accumulated += part) {
@@ -156,11 +172,11 @@ void EditColorBox::Picker::preparePalette() {
 		// 0 <= y_accumulated < Large
 		// 0 <= y_ratio < 256
 
-		auto top_ratio = 255 - y_ratio;
-		auto bottom_ratio = y_ratio;
+		const auto top_ratio = 256 - y_ratio;
+		const auto bottom_ratio = y_ratio;
 
-		auto left = anim::reshifted(bottomleft * bottom_ratio + topleft * top_ratio);
-		auto right = anim::reshifted(bottomright * bottom_ratio + topright * top_ratio);
+		const auto left = anim::reshifted(bottomleft * bottom_ratio + topleft * top_ratio);
+		const auto right = anim::reshifted(bottomright * bottom_ratio + topright * top_ratio);
 
 		auto x_accumulated = 0;
 		for (auto x = 0; x != size; ++x, x_accumulated += part) {
@@ -168,7 +184,7 @@ void EditColorBox::Picker::preparePalette() {
 			// 0 <= x_accumulated < Large
 			// 0 <= x_ratio < 256
 
-			auto left_ratio = 255 - x_ratio;
+			auto left_ratio = 256 - x_ratio;
 			auto right_ratio = x_ratio;
 
 			*ints++ = anim::unshifted(left * left_ratio + right * right_ratio);
@@ -177,6 +193,40 @@ void EditColorBox::Picker::preparePalette() {
 	}
 }
 
+void EditColorBox::Picker::preparePaletteHSL() {
+	const auto size = _palette.width();
+	const auto intsAddPerLine = (_palette.bytesPerLine() - size * sizeof(uint32)) / sizeof(uint32);
+	auto ints = reinterpret_cast<uint32*>(_palette.bits());
+
+	constexpr auto Large = 1024 * 1024;
+	constexpr auto LargeBit = 20; // n / Large == (n >> LargeBit)
+	const auto part = Large / size;
+
+	const auto lightness = _topleft.lightness();
+	const auto right = anim::shifted(_bottomright);
+
+	for (auto y = 0; y != size; ++y) {
+		const auto hue = y * 360 / size;
+		const auto color = QColor::fromHsl(hue, 255, lightness).toRgb();
+		const auto left = anim::shifted(anim::getPremultiplied(color));
+
+		auto x_accumulated = 0;
+		for (auto x = 0; x != size; ++x, x_accumulated += part) {
+			auto x_ratio = x_accumulated >> (LargeBit - 8); // (x_accumulated * 256) / Large;
+			// 0 <= x_accumulated < Large
+			// 0 <= x_ratio < 256
+
+			auto left_ratio = 256 - x_ratio;
+			auto right_ratio = x_ratio;
+			*ints++ = anim::unshifted(left * left_ratio + right * right_ratio);
+		}
+		ints += intsAddPerLine;
+	}
+
+	_palette = std::move(_palette).transformed(
+		QTransform(0, 1, 1, 0, 0, 0));
+}
+
 void EditColorBox::Picker::updateCurrentPoint(QPoint localPosition) {
 	auto x = snap(localPosition.x(), 0, width()) / float64(width());
 	auto y = snap(localPosition.y(), 0, height()) / float64(height());
@@ -188,17 +238,25 @@ void EditColorBox::Picker::updateCurrentPoint(QPoint localPosition) {
 	}
 }
 
-void EditColorBox::Picker::setHSV(int hue, int saturation, int brightness) {
-	_topleft = QColor(255, 255, 255);
-	_topright.setHsv(qMax(0, hue), 255, 255);
-	_topright = _topright.toRgb();
-	_bottomleft = _bottomright = QColor(0, 0, 0);
+void EditColorBox::Picker::setHSB(HSB hsb) {
+	if (_mode == Mode::RGBA) {
+		_topleft = QColor(255, 255, 255);
+		_topright.setHsv(qMax(0, hsb.hue), 255, 255);
+		_topright = _topright.toRgb();
+		_bottomleft = _bottomright = QColor(0, 0, 0);
+
+		_x = snap(hsb.saturation / 255., 0., 1.);
+		_y = 1. - snap(hsb.brightness / 255., 0., 1.);
+	} else {
+		_topleft = _topright = QColor::fromHsl(0, 255, hsb.brightness);
+		_bottomleft = _bottomright = QColor::fromHsl(0, 0, hsb.brightness);
+
+		_x = snap(hsb.hue / 360., 0., 1.);
+		_y = 1. - snap(hsb.saturation / 255., 0., 1.);
+	}
 
 	_paletteInvalidated = true;
 	update();
-
-	_x = snap(saturation / 255., 0., 1.);
-	_y = 1. - snap(brightness / 255., 0., 1.);
 }
 
 void EditColorBox::Picker::setRGB(int red, int green, int blue) {
@@ -206,7 +264,11 @@ void EditColorBox::Picker::setRGB(int red, int green, int blue) {
 }
 
 void EditColorBox::Picker::setFromColor(QColor color) {
-	setHSV(color.hsvHue(), color.hsvSaturation(), color.value());
+	if (_mode == Mode::RGBA) {
+		setHSB({ color.hsvHue(), color.hsvSaturation(), color.value() });
+	} else {
+		setHSB({ color.hslHue(), color.hslSaturation(), color.lightness() });
+	}
 }
 
 class EditColorBox::Slider : public TWidget {
@@ -218,6 +280,7 @@ public:
 	enum class Type {
 		Hue,
 		Opacity,
+		Lightness
 	};
 	Slider(QWidget *parent, Direction direction, Type type, QColor color);
 
@@ -231,10 +294,12 @@ public:
 		_value = snap(value, 0., 1.);
 		update();
 	}
-	void setHSV(int hue, int saturation, int brightness);
+	void setHSB(HSB hsb);
 	void setRGB(int red, int green, int blue);
 	void setAlpha(int alpha);
 
+	void setLightnessLimits(int min, int max);
+
 protected:
 	void paintEvent(QPaintEvent *e) override;
 	void resizeEvent(QResizeEvent *e) override;
@@ -254,10 +319,14 @@ private:
 	void generatePixmap();
 	void updatePixmapFromMask();
 	void updateCurrentPoint(QPoint localPosition);
+	[[nodiscard]] QColor applyLimits(QColor color) const;
 
 	Direction _direction = Direction::Horizontal;
 	Type _type = Type::Hue;
 
+	int _lightnessMin = 0;
+	int _lightnessMax = 255;
+
 	QColor _color;
 	float64 _value = 0;
 
@@ -270,12 +339,17 @@ private:
 
 };
 
-EditColorBox::Slider::Slider(QWidget *parent, Direction direction, Type type, QColor color) : TWidget(parent)
+EditColorBox::Slider::Slider(
+	QWidget *parent,
+	Direction direction,
+	Type type,
+	QColor color)
+: TWidget(parent)
 , _direction(direction)
 , _type(type)
 , _color(color.red(), color.green(), color.blue())
 , _value(valueFromColor(color))
-, _transparent((_type == Type::Hue) ? QBrush() : style::transparentPlaceholderBrush()) {
+, _transparent((_type == Type::Opacity) ? style::transparentPlaceholderBrush() : QBrush()) {
 	prepareMinSize();
 }
 
@@ -336,10 +410,9 @@ void EditColorBox::Slider::generatePixmap() {
 	auto part = Large / size;
 
 	if (_type == Type::Hue) {
-		QColor color;
 		for (auto x = 0; x != size; ++x) {
-			color.setHsv(x * 360 / size, 255, 255);
-			auto value = anim::getPremultiplied(color.toRgb());
+			const auto color = QColor::fromHsv(x * 360 / size, 255, 255);
+			const auto value = anim::getPremultiplied(color.toRgb());
 			for (auto y = 0; y != cIntRetinaFactor(); ++y) {
 				ints[y * intsPerLine] = value;
 			}
@@ -349,7 +422,7 @@ void EditColorBox::Slider::generatePixmap() {
 			image = std::move(image).transformed(QTransform(0, -1, 1, 0, 0, 0));
 		}
 		_pixmap = App::pixmapFromImageInPlace(std::move(image));
-	} else {
+	} else if (_type == Type::Opacity) {
 		auto color = anim::shifted(QColor(255, 255, 255, 255));
 		auto transparent = anim::shifted(QColor(255, 255, 255, 0));
 		for (auto y = 0; y != cIntRetinaFactor(); ++y) {
@@ -359,7 +432,7 @@ void EditColorBox::Slider::generatePixmap() {
 				// 0 <= x_accumulated < Large
 				// 0 <= x_ratio < 256
 
-				*ints++ = anim::unshifted(color * x_ratio + transparent * (255 - x_ratio));
+				*ints++ = anim::unshifted(color * x_ratio + transparent * (256 - x_ratio));
 			}
 			ints += intsPerLineAdded;
 		}
@@ -368,22 +441,45 @@ void EditColorBox::Slider::generatePixmap() {
 		}
 		_mask = std::move(image);
 		updatePixmapFromMask();
+	} else {
+		const auto range = _lightnessMax - _lightnessMin;
+		for (auto x = 0; x != size; ++x) {
+			const auto color = QColor::fromHsl(
+				_color.hslHue(),
+				_color.hslSaturation(),
+				_lightnessMin + x * range / size);
+			const auto value = anim::getPremultiplied(color.toRgb());
+			for (auto y = 0; y != cIntRetinaFactor(); ++y) {
+				ints[y * intsPerLine] = value;
+			}
+			++ints;
+		}
+		if (!isHorizontal()) {
+			image = std::move(image).transformed(QTransform(0, -1, 1, 0, 0, 0));
+		}
+		_pixmap = App::pixmapFromImageInPlace(std::move(image));
 	}
 }
 
-void EditColorBox::Slider::setHSV(int hue, int saturation, int brightness) {
+void EditColorBox::Slider::setHSB(HSB hsb) {
 	if (_type == Type::Hue) {
 		// hue == 360 converts to 0 if done in general way
-		_value = valueFromHue(hue);
+		_value = valueFromHue(hsb.hue);
 		update();
+	} else if (_type == Type::Opacity) {
+		_color.setHsv(hsb.hue, hsb.saturation, hsb.brightness);
+		colorUpdated();
 	} else {
-		_color.setHsv(hue, saturation, brightness);
+		_color.setHsl(
+			hsb.hue,
+			hsb.saturation,
+			std::clamp(hsb.brightness, _lightnessMin, _lightnessMax));
 		colorUpdated();
 	}
 }
 
 void EditColorBox::Slider::setRGB(int red, int green, int blue) {
-	_color.setRgb(red, green, blue);
+	_color = applyLimits(QColor(red, green, blue));
 	colorUpdated();
 }
 
@@ -392,12 +488,23 @@ void EditColorBox::Slider::colorUpdated() {
 		_value = valueFromColor(_color);
 	} else if (!_mask.isNull()) {
 		updatePixmapFromMask();
+	} else {
+		_value = valueFromColor(_color);
+		generatePixmap();
 	}
 	update();
 }
 
 float64 EditColorBox::Slider::valueFromColor(QColor color) const {
-	return (_type == Type::Hue) ? valueFromHue(color.hsvHue()) : color.alphaF();
+	return (_type == Type::Hue)
+		? valueFromHue(color.hsvHue())
+		: (_type == Type::Opacity)
+		? color.alphaF()
+		: std::clamp(
+			((color.lightness() - _lightnessMin)
+				/ float64(_lightnessMax - _lightnessMin)),
+			0.,
+			1.);
 }
 
 float64 EditColorBox::Slider::valueFromHue(int hue) const {
@@ -411,6 +518,15 @@ void EditColorBox::Slider::setAlpha(int alpha) {
 	}
 }
 
+void EditColorBox::Slider::setLightnessLimits(int min, int max) {
+	Expects(max > min);
+
+	_lightnessMin = min;
+	_lightnessMax = max;
+	_color = applyLimits(_color);
+	colorUpdated();
+}
+
 void EditColorBox::Slider::updatePixmapFromMask() {
 	_pixmap = App::pixmapFromImageInPlace(style::colorizeImage(_mask, _color));
 }
@@ -426,6 +542,19 @@ void EditColorBox::Slider::updateCurrentPoint(QPoint localPosition) {
 	}
 }
 
+QColor EditColorBox::Slider::applyLimits(QColor color) const {
+	if (_type != Type::Lightness) {
+		return color;
+	}
+
+	const auto lightness = color.lightness();
+	const auto clamped = std::clamp(lightness, _lightnessMin, _lightnessMax);
+	if (clamped == lightness) {
+		return color;
+	}
+	return QColor::fromHsl(color.hslHue(), color.hslSaturation(), clamped);
+}
+
 class EditColorBox::Field : public Ui::MaskedInputField {
 public:
 	Field(QWidget *parent, const style::InputField &st, const QString &placeholder, int limit, const QString &units = QString());
@@ -613,14 +742,18 @@ void EditColorBox::ResultField::paintAdditionalPlaceholder(Painter &p) {
 	p.drawText(QRect(_st.textMargins.right(), _st.textMargins.top(), width(), height() - _st.textMargins.top() - _st.textMargins.bottom()), "#", style::al_topleft);
 }
 
-EditColorBox::EditColorBox(QWidget*, const QString &title, QColor current) : BoxContent()
+EditColorBox::EditColorBox(
+	QWidget*,
+	const QString &title,
+	Mode mode,
+	QColor current)
+: BoxContent()
 , _title(title)
-, _picker(this, current)
-, _hueSlider(this, Slider::Direction::Vertical, Slider::Type::Hue, current)
-, _opacitySlider(this, Slider::Direction::Horizontal, Slider::Type::Opacity, current)
+, _mode(mode)
+, _picker(this, mode, current)
 , _hueField(this, st::colorValueInput, "H", 360, QString() + QChar(176)) // degree character
 , _saturationField(this, st::colorValueInput, "S", 100, "%")
-, _brightnessField(this, st::colorValueInput, "B", 100, "%")
+, _brightnessField(this, st::colorValueInput, (mode == Mode::RGBA) ? "B" : "L", 100, "%")
 , _redField(this, st::colorValueInput, "R", 255)
 , _greenField(this, st::colorValueInput, "G", 255)
 , _blueField(this, st::colorValueInput, "B", 255)
@@ -628,16 +761,47 @@ EditColorBox::EditColorBox(QWidget*, const QString &title, QColor current) : Box
 , _transparent(style::transparentPlaceholderBrush())
 , _current(current)
 , _new(current) {
+	if (_mode == Mode::RGBA) {
+		_hueSlider.create(
+			this,
+			Slider::Direction::Vertical,
+			Slider::Type::Hue,
+			current);
+		_opacitySlider.create(
+			this,
+			Slider::Direction::Horizontal,
+			Slider::Type::Opacity,
+			current);
+	} else if (_mode == Mode::HSL) {
+		_lightnessSlider.create(
+			this,
+			Slider::Direction::Horizontal,
+			Slider::Type::Lightness,
+			current);
+	}
+}
+
+void EditColorBox::setLightnessLimits(int min, int max) {
+	Expects(_mode == Mode::HSL);
+
+	_lightnessMin = min;
+	_lightnessMax = max;
+	_lightnessSlider->setLightnessLimits(min, max);
+
+	const auto adjusted = applyLimits(_new);
+	if (_new != adjusted) {
+		updateFromColor(adjusted);
+	}
 }
 
 void EditColorBox::prepare() {
 	setTitle(rpl::single(_title));
 
-	const auto hsvChanged = [=] { updateFromHSVFields(); };
+	const auto hsbChanged = [=] { updateFromHSBFields(); };
 	const auto rgbChanged = [=] { updateFromRGBFields(); };
-	connect(_hueField, &Ui::MaskedInputField::changed, hsvChanged);
-	connect(_saturationField, &Ui::MaskedInputField::changed, hsvChanged);
-	connect(_brightnessField, &Ui::MaskedInputField::changed, hsvChanged);
+	connect(_hueField, &Ui::MaskedInputField::changed, hsbChanged);
+	connect(_saturationField, &Ui::MaskedInputField::changed, hsbChanged);
+	connect(_brightnessField, &Ui::MaskedInputField::changed, hsbChanged);
 	connect(_redField, &Ui::MaskedInputField::changed, rgbChanged);
 	connect(_greenField, &Ui::MaskedInputField::changed, rgbChanged);
 	connect(_blueField, &Ui::MaskedInputField::changed, rgbChanged);
@@ -661,8 +825,15 @@ void EditColorBox::prepare() {
 	setDimensions(st::colorEditWidth, height);
 
 	subscribe(_picker->changed(), [=] { updateFromControls(); });
-	subscribe(_hueSlider->changed(), [=] { updateFromControls(); });
-	subscribe(_opacitySlider->changed(), [=] { updateFromControls(); });
+	if (_hueSlider) {
+		subscribe(_hueSlider->changed(), [=] { updateFromControls(); });
+	}
+	if (_opacitySlider) {
+		subscribe(_opacitySlider->changed(), [=] { updateFromControls(); });
+	}
+	if (_lightnessSlider) {
+		subscribe(_lightnessSlider->changed(), [=] { updateFromControls(); });
+	}
 
 	boxClosing() | rpl::start_with_next([=] {
 		if (_cancelCallback) {
@@ -671,7 +842,7 @@ void EditColorBox::prepare() {
 	}, lifetime());
 
 	updateRGBFields();
-	updateHSVFields();
+	updateHSBFields();
 	updateResultField();
 	update();
 }
@@ -704,21 +875,21 @@ void EditColorBox::fieldSubmitted() {
 }
 
 void EditColorBox::saveColor() {
-	_cancelCallback = Fn<void()>();
+	const auto weak = Ui::MakeWeak(this);
+	_cancelCallback = nullptr;
 	if (_saveCallback) {
 		_saveCallback(_new.toRgb());
 	}
-	closeBox();
+	if (weak) {
+		closeBox();
+	}
 }
 
-void EditColorBox::updateHSVFields() {
-	auto hue = qRound((1. - _hueSlider->value()) * 360);
-	auto saturation = qRound(_picker->valueX() * 255);
-	auto brightness = qRound((1. - _picker->valueY()) * 255);
-	auto alpha = qRound(_opacitySlider->value() * 255);
-	_hueField->setTextWithFocus(QString::number(hue));
-	_saturationField->setTextWithFocus(QString::number(percentFromByte(saturation)));
-	_brightnessField->setTextWithFocus(QString::number(percentFromByte(brightness)));
+void EditColorBox::updateHSBFields() {
+	const auto hsb = hsbFromControls();
+	_hueField->setTextWithFocus(QString::number(hsb.hue));
+	_saturationField->setTextWithFocus(QString::number(percentFromByte(hsb.saturation)));
+	_brightnessField->setTextWithFocus(QString::number(percentFromByte(hsb.brightness)));
 }
 
 void EditColorBox::updateRGBFields() {
@@ -750,14 +921,28 @@ void EditColorBox::updateResultField() {
 }
 
 void EditColorBox::resizeEvent(QResizeEvent *e) {
-	auto fullwidth = _picker->width() + 2 * (st::colorEditSkip - st::colorSliderSkip) + _hueSlider->width() + st::colorSampleSize.width();
+	const auto fullwidth = _picker->width()
+		+ ((_mode == Mode::RGBA)
+			? (2 * (st::colorEditSkip - st::colorSliderSkip) + _hueSlider->width())
+			: (2 * st::colorEditSkip))
+		+ st::colorSampleSize.width();
 	auto left = (width() - fullwidth) / 2;
 	_picker->moveToLeft(left, st::colorEditSkip);
-	_hueSlider->setGeometryToLeft(_picker->x() + _picker->width() + st::colorEditSkip - st::colorSliderSkip, st::colorEditSkip - st::colorSliderSkip, _hueSlider->width(), st::colorPickerSize + 2 * st::colorSliderSkip);
-	_opacitySlider->setGeometryToLeft(_picker->x() - st::colorSliderSkip, _picker->y() + _picker->height() + st::colorEditSkip - st::colorSliderSkip, _picker->width() + 2 * st::colorSliderSkip, _opacitySlider->height());
-	auto fieldLeft = _hueSlider->x() + _hueSlider->width() - st::colorSliderSkip + st::colorEditSkip;
-	auto fieldWidth = st::colorSampleSize.width();
-	auto fieldHeight = _hueField->height();
+	if (_hueSlider) {
+		_hueSlider->setGeometryToLeft(_picker->x() + _picker->width() + st::colorEditSkip - st::colorSliderSkip, st::colorEditSkip - st::colorSliderSkip, _hueSlider->width(), st::colorPickerSize + 2 * st::colorSliderSkip);
+	}
+	if (_opacitySlider) {
+		_opacitySlider->setGeometryToLeft(_picker->x() - st::colorSliderSkip, _picker->y() + _picker->height() + st::colorEditSkip - st::colorSliderSkip, _picker->width() + 2 * st::colorSliderSkip, _opacitySlider->height());
+	}
+	if (_lightnessSlider) {
+		_lightnessSlider->setGeometryToLeft(_picker->x() - st::colorSliderSkip, _picker->y() + _picker->height() + st::colorEditSkip - st::colorSliderSkip, _picker->width() + 2 * st::colorSliderSkip, _lightnessSlider->height());
+	}
+	const auto fieldLeft = (_mode == Mode::RGBA)
+		? (_hueSlider->x() + _hueSlider->width() + st::colorEditSkip - st::colorSliderSkip)
+		: (_picker->x() + _picker->width() + st::colorEditSkip);
+	const auto addWidth = (_mode == Mode::RGBA) ? 0 : st::colorEditSkip;
+	const auto fieldWidth = st::colorSampleSize.width() + addWidth;
+	const auto fieldHeight = _hueField->height();
 	_newRect = QRect(fieldLeft, st::colorEditSkip, fieldWidth, st::colorSampleSize.height());
 	_currentRect = _newRect.translated(0, st::colorSampleSize.height());
 	_hueField->setGeometryToLeft(fieldLeft, _currentRect.y() + _currentRect.height() + st::colorFieldSkip, fieldWidth, fieldHeight);
@@ -766,7 +951,13 @@ void EditColorBox::resizeEvent(QResizeEvent *e) {
 	_redField->setGeometryToLeft(fieldLeft, _brightnessField->y() + _brightnessField->height() + st::colorFieldSkip, fieldWidth, fieldHeight);
 	_greenField->setGeometryToLeft(fieldLeft, _redField->y() + _redField->height(), fieldWidth, fieldHeight);
 	_blueField->setGeometryToLeft(fieldLeft, _greenField->y() + _greenField->height(), fieldWidth, fieldHeight);
-	_result->setGeometryToLeft(fieldLeft - (st::colorEditSkip + st::colorSliderWidth), _opacitySlider->y() + _opacitySlider->height() - st::colorSliderSkip - _result->height(), fieldWidth + (st::colorEditSkip + st::colorSliderWidth), fieldHeight);
+	const auto resultDelta = (_mode == Mode::RGBA)
+		? (st::colorEditSkip + st::colorSliderWidth)
+		: 0;
+	const auto resultBottom = (_mode == Mode::RGBA)
+		? (_opacitySlider->y() + _opacitySlider->height())
+		: (_lightnessSlider->y() + _lightnessSlider->height());
+	_result->setGeometryToLeft(fieldLeft - resultDelta, resultBottom - st::colorSliderSkip - _result->height(), fieldWidth + resultDelta, fieldHeight);
 }
 
 void EditColorBox::paintEvent(QPaintEvent *e) {
@@ -792,39 +983,74 @@ void EditColorBox::mousePressEvent(QMouseEvent *e) {
 	}
 }
 
+EditColorBox::HSB EditColorBox::hsbFromControls() const {
+	const auto hue = (_mode == Mode::RGBA)
+		? qRound((1. - _hueSlider->value()) * 360)
+		: qRound(_picker->valueX() * 360);
+	const auto saturation = (_mode == Mode::RGBA)
+		? qRound(_picker->valueX() * 255)
+		: qRound((1. - _picker->valueY()) * 255);
+	const auto brightness = (_mode == Mode::RGBA)
+		? qRound((1. - _picker->valueY()) * 255)
+		: (_lightnessMin
+			+ qRound(_lightnessSlider->value()
+				* (_lightnessMax - _lightnessMin)));
+	return { hue, saturation, brightness };
+}
+
+QColor EditColorBox::applyLimits(QColor color) const {
+	if (_mode != Mode::HSL) {
+		return color;
+	}
+
+	const auto lightness = color.lightness();
+	const auto clamped = std::clamp(lightness, _lightnessMin, _lightnessMax);
+	if (clamped == lightness) {
+		return color;
+	}
+	return QColor::fromHsl(color.hslHue(), color.hslSaturation(), clamped);
+}
+
 void EditColorBox::updateFromColor(QColor color) {
-	_new = color;
+	_new = applyLimits(color);
 	updateControlsFromColor();
 	updateRGBFields();
-	updateHSVFields();
+	updateHSBFields();
 	updateResultField();
 	update();
 }
 
 void EditColorBox::updateFromControls() {
-	auto hue = qRound((1. - _hueSlider->value()) * 360);
-	auto saturation = qRound(_picker->valueX() * 255);
-	auto brightness = qRound((1. - _picker->valueY()) * 255);
-	auto alpha = qRound(_opacitySlider->value() * 255);
-	setHSV(hue, saturation, brightness, alpha);
-	updateHSVFields();
-	updateControlsFromHSV(hue, saturation, brightness);
+	const auto hsb = hsbFromControls();
+	const auto alpha = _opacitySlider
+		? qRound(_opacitySlider->value() * 255)
+		: 255;
+	setHSB(hsb, alpha);
+	updateHSBFields();
+	updateControlsFromHSB(hsb);
 }
 
-void EditColorBox::updateFromHSVFields() {
-	auto hue = _hueField->value();
-	auto saturation = percentToByte(_saturationField->value());
-	auto brightness = percentToByte(_brightnessField->value());
-	auto alpha = qRound(_opacitySlider->value() * 255);
-	setHSV(hue, saturation, brightness, alpha);
-	updateControlsFromHSV(hue, saturation, brightness);
+void EditColorBox::updateFromHSBFields() {
+	const auto hue = _hueField->value();
+	const auto saturation = percentToByte(_saturationField->value());
+	const auto brightness = std::clamp(
+		percentToByte(_brightnessField->value()),
+		_lightnessMin,
+		_lightnessMax);
+	const auto alpha = _opacitySlider
+		? qRound(_opacitySlider->value() * 255)
+		: 255;
+	setHSB({ hue, saturation, brightness }, alpha);
+	updateControlsFromHSB({ hue, saturation, brightness });
 }
 
 void EditColorBox::updateFromRGBFields() {
-	auto red = _redField->value();
-	auto blue = _blueField->value();
-	auto green = _greenField->value();
-	auto alpha = qRound(_opacitySlider->value() * 255);
+	const auto red = _redField->value();
+	const auto blue = _blueField->value();
+	const auto green = _greenField->value();
+	const auto alpha = _opacitySlider
+		? qRound(_opacitySlider->value() * 255)
+		: 255;
 	setRGB(red, green, blue, alpha);
 	updateResultField();
 }
@@ -855,10 +1081,17 @@ void EditColorBox::updateFromResultField() {
 	updateRGBFields();
 }
 
-void EditColorBox::updateControlsFromHSV(int hue, int saturation, int brightness) {
-	_picker->setHSV(hue, saturation, brightness);
-	_hueSlider->setHSV(hue, saturation, brightness);
-	_opacitySlider->setHSV(hue, saturation, brightness);
+void EditColorBox::updateControlsFromHSB(HSB hsb) {
+	_picker->setHSB(hsb);
+	if (_hueSlider) {
+		_hueSlider->setHSB(hsb);
+	}
+	if (_opacitySlider) {
+		_opacitySlider->setHSB(hsb);
+	}
+	if (_lightnessSlider) {
+		_lightnessSlider->setHSB(hsb);
+	}
 }
 
 void EditColorBox::updateControlsFromColor() {
@@ -867,21 +1100,32 @@ void EditColorBox::updateControlsFromColor() {
 	auto blue = _new.blue();
 	auto alpha = _new.alpha();
 	_picker->setRGB(red, green, blue);
-	_hueSlider->setRGB(red, green, blue);
-	_opacitySlider->setRGB(red, green, blue);
-	_opacitySlider->setAlpha(alpha);
+	if (_hueSlider) {
+		_hueSlider->setRGB(red, green, blue);
+	}
+	if (_opacitySlider) {
+		_opacitySlider->setRGB(red, green, blue);
+		_opacitySlider->setAlpha(alpha);
+	}
+	if (_lightnessSlider) {
+		_lightnessSlider->setRGB(red, green, blue);
+	}
 }
 
-void EditColorBox::setHSV(int hue, int saturation, int value, int alpha) {
-	_new.setHsv(hue, saturation, value, alpha);
+void EditColorBox::setHSB(HSB hsb, int alpha) {
+	if (_mode == Mode::RGBA) {
+		_new.setHsv(hsb.hue, hsb.saturation, hsb.brightness, alpha);
+	} else {
+		_new.setHsl(hsb.hue, hsb.saturation, hsb.brightness, alpha);
+	}
 	updateRGBFields();
 	updateResultField();
 	update();
 }
 
 void EditColorBox::setRGB(int red, int green, int blue, int alpha) {
-	_new.setRgb(red, green, blue, alpha);
+	_new = applyLimits(QColor(red, green, blue, alpha));
 	updateControlsFromColor();
-	updateHSVFields();
+	updateHSBFields();
 	update();
-}
+}

Telegram/SourceFiles/boxes/edit_color_box.h

@@ -9,9 +9,15 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "boxes/abstract_box.h"
 
-class EditColorBox : public BoxContent {
+class EditColorBox : public BoxContent, private base::Subscriber {
 public:
-	EditColorBox(QWidget*, const QString &title, QColor current = QColor(255, 255, 255));
+	enum class Mode {
+		RGBA,
+		HSL,
+	};
+	EditColorBox(QWidget*, const QString &title, Mode mode, QColor current);
+
+	void setLightnessLimits(int min, int max);
 
 	void setSaveCallback(Fn<void(QColor)> callback) {
 		_saveCallback = std::move(callback);
@@ -36,21 +42,28 @@ protected:
 	void setInnerFocus() override;
 
 private:
+	struct HSB { // HSV or HSL depending on Mode.
+		int hue = 0;
+		int saturation = 0;
+		int brightness = 0;
+	};
 	void saveColor();
 	void fieldSubmitted();
 
+	[[nodiscard]] HSB hsbFromControls() const;
 	void updateFromColor(QColor color);
 	void updateControlsFromColor();
-	void updateControlsFromHSV(int hue, int saturation, int brightness);
-	void updateHSVFields();
+	void updateControlsFromHSB(HSB hsb);
+	void updateHSBFields();
 	void updateRGBFields();
 	void updateResultField();
 	void updateFromControls();
-	void updateFromHSVFields();
+	void updateFromHSBFields();
 	void updateFromRGBFields();
 	void updateFromResultField();
-	void setHSV(int hue, int saturation, int brightness, int alpha);
+	void setHSB(HSB hsb, int alpha);
 	void setRGB(int red, int green, int blue, int alpha);
+	[[nodiscard]] QColor applyLimits(QColor color) const;
 
 	int percentFromByte(int byte) {
 		return snap(qRound(byte * 100 / 255.), 0, 100);
@@ -65,10 +78,12 @@ private:
 	class ResultField;
 
 	QString _title;
+	Mode _mode = Mode();
 
 	object_ptr<Picker> _picker;
-	object_ptr<Slider> _hueSlider;
-	object_ptr<Slider> _opacitySlider;
+	object_ptr<Slider> _hueSlider = { nullptr };
+	object_ptr<Slider> _opacitySlider = { nullptr };
+	object_ptr<Slider> _lightnessSlider = { nullptr };
 
 	object_ptr<Field> _hueField;
 	object_ptr<Field> _saturationField;
@@ -85,6 +100,9 @@ private:
 	QRect _currentRect;
 	QRect _newRect;
 
+	int _lightnessMin = 0;
+	int _lightnessMax = 255;
+
 	Fn<void(QColor)> _saveCallback;
 	Fn<void()> _cancelCallback;
 

Telegram/SourceFiles/boxes/edit_privacy_box.cpp

@@ -250,8 +250,9 @@ bool EditPrivacyBox::showExceptionLink(Exception exception) const {
 	Unexpected("Invalid exception value.");
 }
 
-Ui::Radioenum<EditPrivacyBox::Option> *EditPrivacyBox::addOption(
+Ui::Radioenum<EditPrivacyBox::Option> *EditPrivacyBox::AddOption(
 		not_null<Ui::VerticalLayout*> container,
+		not_null<EditPrivacyController*> controller,
 		const std::shared_ptr<Ui::RadioenumGroup<Option>> &group,
 		Option option) {
 	return container->add(
@@ -259,7 +260,7 @@ Ui::Radioenum<EditPrivacyBox::Option> *EditPrivacyBox::addOption(
 			container,
 			group,
 			option,
-			_controller->optionLabel(option),
+			controller->optionLabel(option),
 			st::settingsSendType),
 		st::settingsSendTypePadding);
 }
@@ -306,7 +307,7 @@ void EditPrivacyBox::setupContent() {
 
 	const auto addOptionRow = [&](Option option) {
 		return (_controller->hasOption(option) || (_value.option == option))
-			? addOption(content, group, option)
+			? AddOption(content, _controller.get(), group, option)
 			: nullptr;
 	};
 	const auto addExceptionLink = [=](Exception exception) {
@@ -345,7 +346,7 @@ void EditPrivacyBox::setupContent() {
 
 	auto above = _controller->setupAboveWidget(
 		content,
-		std::move(optionValue));
+		rpl::duplicate(optionValue));
 	if (above) {
 		content->add(std::move(above));
 	}
@@ -357,6 +358,14 @@ void EditPrivacyBox::setupContent() {
 	addLabel(content, _controller->warning());
 	AddSkip(content);
 
+	auto middle = _controller->setupMiddleWidget(
+		_window,
+		content,
+		std::move(optionValue));
+	if (middle) {
+		content->add(std::move(middle));
+	}
+
 	AddDivider(content);
 	AddSkip(content);
 	AddSubsectionTitle(content, tr::lng_edit_privacy_exceptions());
@@ -373,6 +382,7 @@ void EditPrivacyBox::setupContent() {
 		const auto someAreDisallowed = (_value.option != Option::Everyone)
 			|| !_value.never.empty();
 		_controller->confirmSave(someAreDisallowed, crl::guard(this, [=] {
+			_controller->saveAdditional();
 			_window->session().api().savePrivacy(
 				_controller->apiKey(),
 				collectResult());

Telegram/SourceFiles/boxes/edit_privacy_box.h

@@ -58,6 +58,12 @@ public:
 			rpl::producer<Option> option) {
 		return { nullptr };
 	}
+	[[nodiscard]] virtual object_ptr<Ui::RpWidget> setupMiddleWidget(
+			not_null<Window::SessionController*> controller,
+			not_null<QWidget*> parent,
+			rpl::producer<Option> option) {
+		return { nullptr };
+	}
 	[[nodiscard]] virtual object_ptr<Ui::RpWidget> setupBelowWidget(
 			not_null<Window::SessionController*> controller,
 			not_null<QWidget*> parent) {
@@ -69,6 +75,8 @@ public:
 			FnMut<void()> saveCallback) {
 		saveCallback();
 	}
+	virtual void saveAdditional() {
+	}
 
 	virtual ~EditPrivacyController() = default;
 
@@ -100,6 +108,12 @@ public:
 		std::unique_ptr<EditPrivacyController> controller,
 		const Value &value);
 
+	static Ui::Radioenum<Option> *AddOption(
+		not_null<Ui::VerticalLayout*> container,
+		not_null<EditPrivacyController*> controller,
+		const std::shared_ptr<Ui::RadioenumGroup<Option>> &group,
+		Option option);
+
 protected:
 	void prepare() override;
 
@@ -108,10 +122,6 @@ private:
 	void setupContent();
 	QVector<MTPInputPrivacyRule> collectResult();
 
-	Ui::Radioenum<Option> *addOption(
-		not_null<Ui::VerticalLayout*> container,
-		const std::shared_ptr<Ui::RadioenumGroup<Option>> &group,
-		Option option);
 	Ui::FlatLabel *addLabel(
 		not_null<Ui::VerticalLayout*> container,
 		rpl::producer<QString> text);

Telegram/SourceFiles/boxes/generic_box.h

@@ -129,7 +129,7 @@ template <std::size_t... I>
 inline void GenericBox::Initer<InitMethod, InitArgs...>::call(
 		not_null<GenericBox*> box,
 		std::index_sequence<I...>) {
-	std::invoke(method, box, std::get<I>(args)...);
+	std::invoke(method, box, std::get<I>(std::move(args))...);
 }
 
 template <typename InitMethod, typename ...InitArgs>

Telegram/SourceFiles/boxes/language_box.cpp

@@ -32,6 +32,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "styles/style_passport.h"
 #include "styles/style_chat_helpers.h"
 
+#include <QtGui/QGuiApplication>
+#include <QtGui/QClipboard>
+
 namespace {
 
 using Language = Lang::Language;
@@ -408,7 +411,7 @@ bool Rows::hasMenu(not_null<const Row*> row) const {
 
 void Rows::share(not_null<const Row*> row) const {
 	const auto link = qsl("https://t.me/setlanguage/") + row->data.id;
-	QApplication::clipboard()->setText(link);
+	QGuiApplication::clipboard()->setText(link);
 	Ui::Toast::Show(tr::lng_username_copied(tr::now));
 }
 

Telegram/SourceFiles/boxes/mute_settings_box.cpp

@@ -11,10 +11,11 @@ Copyright (C) 2017, Nicholas Guriev <guriev-ns@ya.ru>
 #include "main/main_session.h"
 #include "data/data_session.h"
 #include "data/data_peer.h"
-#include "styles/style_boxes.h"
 #include "ui/special_buttons.h"
 #include "ui/widgets/checkbox.h"
 #include "ui/widgets/labels.h"
+#include "app.h"
+#include "styles/style_boxes.h"
 
 namespace {
 
@@ -44,7 +45,7 @@ void MuteSettingsBox::prepare() {
 	icon->moveToLeft(st::boxPadding.left(), y);
 
 	object_ptr<Ui::FlatLabel> title(this, st::muteChatTitle);
-	title->setText(App::peerName(_peer, true));
+	title->setText(_peer->name);
 	title->moveToLeft(
 		st::boxPadding.left() + st::muteChatTitleLeft,
 		y + (icon->height() / 2) - (title->height() / 2));

Telegram/SourceFiles/boxes/passcode_box.cpp

@@ -21,6 +21,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/wrap/fade_wrap.h"
 #include "passport/passport_encryption.h"
 #include "passport/passport_panel_edit_contact.h"
+#include "facades.h"
 #include "styles/style_boxes.h"
 #include "styles/style_passport.h"
 
@@ -268,7 +269,7 @@ void PasscodeBox::setPasswordDone(const QByteArray &newPasswordBytes) {
 	}
 	_setRequest = 0;
 	_newPasswordSet.fire_copy(newPasswordBytes);
-	const auto weak = make_weak(this);
+	const auto weak = Ui::MakeWeak(this);
 	const auto text = _reenterPasscode->isHidden()
 		? tr::lng_cloud_password_removed(tr::now)
 		: _oldPasscode->isHidden()
@@ -367,7 +368,7 @@ void PasscodeBox::validateEmail(
 			} else if (error.type() == qstr("CODE_INVALID")) {
 				errors->fire(tr::lng_signin_wrong_code(tr::now));
 			} else if (error.type() == qstr("EMAIL_HASH_EXPIRED")) {
-				const auto weak = make_weak(this);
+				const auto weak = Ui::MakeWeak(this);
 				_clearUnconfirmedPassword.fire({});
 				if (weak) {
 					auto box = Box<InformBox>(
@@ -408,7 +409,7 @@ void PasscodeBox::validateEmail(
 	box->boxClosing(
 	) | rpl::filter([=] {
 		return !*set;
-	}) | start_with_next([=, weak = make_weak(this)] {
+	}) | start_with_next([=, weak = Ui::MakeWeak(this)] {
 		if (weak) {
 			weak->_clearUnconfirmedPassword.fire({});
 		}
@@ -511,7 +512,7 @@ void PasscodeBox::save(bool force) {
 		}
 	} else {
 		closeReplacedBy();
-		const auto weak = make_weak(this);
+		const auto weak = Ui::MakeWeak(this);
 		cSetPasscodeBadTries(0);
 		Local::setPasscode(pwd.toUtf8());
 		_session->localPasscodeChanged();

Telegram/SourceFiles/boxes/peer_list_box.cpp

@@ -507,14 +507,14 @@ void PeerListRow::paintDisabledCheckUserpic(
 	auto userpicDiameter = st::contactsPhotoCheckbox.imageRadius * 2;
 	auto userpicLeft = x + userpicShift;
 	auto userpicTop = y + userpicShift;
-	auto userpicEllipse = rtlrect(x, y, userpicDiameter, userpicDiameter, outerWidth);
+	auto userpicEllipse = style::rtlrect(x, y, userpicDiameter, userpicDiameter, outerWidth);
 	auto userpicBorderPen = st::contactsPhotoDisabledCheckFg->p;
 	userpicBorderPen.setWidth(st::contactsPhotoCheckbox.selectWidth);
 
 	auto iconDiameter = st::contactsPhotoCheckbox.check.size;
 	auto iconLeft = x + userpicDiameter + st::contactsPhotoCheckbox.selectWidth - iconDiameter;
 	auto iconTop = y + userpicDiameter + st::contactsPhotoCheckbox.selectWidth - iconDiameter;
-	auto iconEllipse = rtlrect(iconLeft, iconTop, iconDiameter, iconDiameter, outerWidth);
+	auto iconEllipse = style::rtlrect(iconLeft, iconTop, iconDiameter, iconDiameter, outerWidth);
 	auto iconBorderPen = st::contactsPhotoCheckbox.check.border->p;
 	iconBorderPen.setWidth(st::contactsPhotoCheckbox.selectWidth);
 

Telegram/SourceFiles/boxes/peer_list_controllers.cpp

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/confirm_box.h"
 #include "observer_peer.h"
 #include "ui/widgets/checkbox.h"
+#include "ui/ui_utility.h"
 #include "main/main_session.h"
 #include "data/data_session.h"
 #include "data/data_channel.h"
@@ -22,6 +23,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "history/history.h"
 #include "dialogs/dialogs_main_list.h"
 #include "window/window_session_controller.h"
+#include "facades.h"
 #include "styles/style_boxes.h"
 #include "styles/style_profile.h"
 
@@ -42,7 +44,8 @@ void ShareBotGame(not_null<UserData*> bot, not_null<PeerData*> chat) {
 		MTP_string(),
 		MTP_long(randomId),
 		MTPReplyMarkup(),
-		MTPVector<MTPMessageEntity>()
+		MTPVector<MTPMessageEntity>(),
+		MTP_int(0) // schedule_date
 	)).done([=](const MTPUpdates &result) {
 		api->applyUpdates(result, randomId);
 	}).fail([=](const RPCError &error) {
@@ -455,7 +458,7 @@ void AddBotToGroupBoxController::shareBotGame(not_null<PeerData*> chat) {
 	});
 	auto confirmText = [chat] {
 		if (chat->isUser()) {
-			return tr::lng_bot_sure_share_game(tr::now, lt_user, App::peerName(chat));
+			return tr::lng_bot_sure_share_game(tr::now, lt_user, chat->name);
 		}
 		return tr::lng_bot_sure_share_game_group(tr::now, lt_group, chat->name);
 	}();

Telegram/SourceFiles/boxes/peer_list_controllers.h

@@ -28,6 +28,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 //
 //};
 
+class History;
+
 namespace Window {
 class SessionNavigation;
 } // namespace Window