Version 1.8.11: Fix build for Xcode.

- Bug fixes and other minor improvements.

.travis/build.sh

@@ -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

Telegram/Patches/qtbase_5_6_2.diff

@@ -92,6 +92,67 @@ index bcd29b6fe1..bcb0672f69 100644
          if (QPlatformCursor *platformCursor = q->screen()->handle()->cursor()) {
              QCursor *c = QGuiApplication::overrideCursor();
              if (!c && hasCursor)
+diff --git a/src/gui/painting/qbezier.cpp b/src/gui/painting/qbezier.cpp
+index 8e0e76f787..a61bd62834 100644
+--- a/src/gui/painting/qbezier.cpp
++++ b/src/gui/painting/qbezier.cpp
+@@ -45,6 +45,34 @@ QT_BEGIN_NAMESPACE
+ 
+ //#define QDEBUG_BEZIER
+ 
++// Patch: Workaround VS2019 compiler bug, see QTBUG-75280.
++#ifdef Q_OS_WIN
++Q_NEVER_INLINE void QBezier::split(QBezier *firstHalf, QBezier *secondHalf) const
++{
++    Q_ASSERT(firstHalf);
++    Q_ASSERT(secondHalf);
++
++    qreal c = (x2 + x3)*.5;
++    firstHalf->x2 = (x1 + x2)*.5;
++    secondHalf->x3 = (x3 + x4)*.5;
++    firstHalf->x1 = x1;
++    secondHalf->x4 = x4;
++    firstHalf->x3 = (firstHalf->x2 + c)*.5;
++    secondHalf->x2 = (secondHalf->x3 + c)*.5;
++    firstHalf->x4 = secondHalf->x1 = (firstHalf->x3 + secondHalf->x2)*.5;
++
++    c = (y2 + y3)/2;
++    firstHalf->y2 = (y1 + y2)*.5;
++    secondHalf->y3 = (y3 + y4)*.5;
++    firstHalf->y1 = y1;
++    secondHalf->y4 = y4;
++    firstHalf->y3 = (firstHalf->y2 + c)*.5;
++    secondHalf->y2 = (secondHalf->y3 + c)*.5;
++    firstHalf->y4 = secondHalf->y1 = (firstHalf->y3 + secondHalf->y2)*.5;
++}
++// Patch: Workaround VS2019 compiler bug, see QTBUG-75280.
++#endif // Q_OS_WIN
++
+ /*!
+   \internal
+ */
+diff --git a/src/gui/painting/qbezier_p.h b/src/gui/painting/qbezier_p.h
+index dd1cd94acf..aedc8b6a4b 100644
+--- a/src/gui/painting/qbezier_p.h
++++ b/src/gui/painting/qbezier_p.h
+@@ -215,6 +215,8 @@ inline QPointF QBezier::secondDerivedAt(qreal t) const
+                        a * y1 + b * y2 + c * y3 + d * y4);
+ }
+ 
++// Patch: Workaround VS2019 compiler bug, see QTBUG-75280.
++#ifndef Q_OS_WIN
+ inline void QBezier::split(QBezier *firstHalf, QBezier *secondHalf) const
+ {
+     Q_ASSERT(firstHalf);
+@@ -238,6 +240,8 @@ inline void QBezier::split(QBezier *firstHalf, QBezier *secondHalf) const
+     secondHalf->y2 = (secondHalf->y3 + c)*.5;
+     firstHalf->y4 = secondHalf->y1 = (firstHalf->y3 + secondHalf->y2)*.5;
+ }
++// Patch: Workaround VS2019 compiler bug, see QTBUG-75280.
++#endif // Q_OS_WIN
+ 
+ inline void QBezier::parameterSplitLeft(qreal t, QBezier *left)
+ {
 diff --git a/src/gui/painting/qpaintengine_p.h b/src/gui/painting/qpaintengine_p.h
 index 918c98997b..4158259743 100644
 --- a/src/gui/painting/qpaintengine_p.h
@@ -234,6 +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
@@ -253,7 +348,7 @@ index 41834b21ae..8cdf4ab145 100644
                              setError(QAbstractSocket::NetworkError, AddressNotAvailableErrorString);
                              socketState = QAbstractSocket::UnconnectedState;
 diff --git a/src/platformsupport/cglconvenience/cglconvenience.mm b/src/platformsupport/cglconvenience/cglconvenience.mm
-index fb609ae485..7cca45ded4 100644
+index fb609ae485..ef1c638d91 100644
 --- a/src/platformsupport/cglconvenience/cglconvenience.mm
 +++ b/src/platformsupport/cglconvenience/cglconvenience.mm
 @@ -128,7 +128,12 @@ void *qcgl_createNSOpenGLPixelFormat(const QSurfaceFormat &format)

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";
 
@@ -145,6 +147,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_sure_ban_admin" = "This user is an admin. Are you sure you want to go ahead and restrict them?";
 "lng_sure_enable_socks" = "Are you sure you want to enable this proxy?\n\nServer: {server}\nPort: {port}\n\nYou can change your proxy server later in the Settings (Connection Type).";
 "lng_sure_enable" = "Enable";
+"lng_proxy_invalid" = "The proxy link is invalid.";
+"lng_proxy_unsupported" = "Your Telegram Desktop version doesn't support this proxy type or the proxy link is invalid. Please update Telegram Desktop to the latest version.";
 
 "lng_edit_deleted" = "This message was deleted";
 "lng_edit_too_long" = "Your message text is too long";
@@ -162,6 +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";
@@ -295,6 +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";
@@ -323,6 +329,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_settings_replace_emojis" = "Replace emoji";
 "lng_settings_suggest_emoji" = "Suggest emoji replacements";
 "lng_settings_suggest_by_emoji" = "Suggest popular stickers by emoji";
+"lng_settings_loop_stickers" = "Loop animated stickers";
+"lng_settings_large_emoji" = "Large emoji";
 "lng_settings_view_emojis" = "View list";
 "lng_settings_send_enter" = "Send by Enter";
 "lng_settings_send_ctrlenter" = "Send by Ctrl+Enter";
@@ -332,7 +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";
 
@@ -381,6 +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_day" = "Day";
+"lng_settings_theme_classic" = "Classic";
+"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";
@@ -400,6 +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.";
@@ -560,6 +581,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_proxy_sponsor_warning" = "This proxy may display a sponsored channel in your chat list. This doesn't reveal any of your Telegram traffic.";
 
 "lng_settings_blocked_users" = "Blocked users";
+"lng_settings_no_blocked_users" = "None";
 "lng_settings_show_sessions" = "Show all sessions";
 "lng_settings_export_data" = "Export Telegram data";
 "lng_settings_destroy_if" = "If away for...";
@@ -620,6 +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).";
@@ -1089,6 +1114,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_edited" = "edited";
 "lng_edited_date" = "Edited: {date}";
 "lng_admin_badge" = "admin";
+"lng_owner_badge" = "owner";
 "lng_channel_badge" = "channel";
 "lng_fast_reply" = "Reply";
 "lng_cancel_edit_post_sure" = "Cancel editing?";
@@ -1124,6 +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";
@@ -1229,6 +1256,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_cant_invite_make_admin" = "Make admin";
 
 "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...";
@@ -1248,6 +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";
@@ -1375,6 +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";
@@ -1384,6 +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}";
@@ -1461,6 +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?";
@@ -1525,6 +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";
 
@@ -1568,9 +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";
@@ -1625,6 +1686,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 "lng_rights_edit_admin" = "Manage permissions";
 "lng_rights_edit_admin_header" = "What can this admin do?";
+"lng_rights_edit_admin_rank_name" = "Custom title";
+"lng_rights_edit_admin_rank_about" = "A custom title that will be shown to all members instead of '{title}'.";
 "lng_rights_about_add_admins_yes" = "This admin will be able to add new admins with the same (or more limited) permissions.";
 "lng_rights_about_add_admins_no" = "This admin will not be able to add new admins.";
 
@@ -1637,6 +1700,24 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_rights_user_restrictions" = "User restrictions";
 "lng_rights_user_restrictions_header" = "What can this member do?";
 "lng_rights_default_restrictions_header" = "What can members of this group do?";
+"lng_rights_slowmode_header" = "Slow mode";
+"lng_rights_slowmode_off" = "Off";
+"lng_rights_slowmode_seconds#one" = "{count}s";
+"lng_rights_slowmode_seconds#other" = "{count}s";
+"lng_rights_slowmode_minutes#one" = "{count}m";
+"lng_rights_slowmode_minutes#other" = "{count}m";
+"lng_rights_slowmode_hours#one" = "{count}h";
+"lng_rights_slowmode_hours#other" = "{count}h";
+"lng_rights_slowmode_about" = "Members will be able to send only one message per this interval.";
+"lng_rights_slowmode_about_interval" = "Members will be able to send only one message {interval}.";
+"lng_rights_slowmode_interval_seconds#one" = "every {count} second";
+"lng_rights_slowmode_interval_seconds#other" = "every {count} seconds";
+"lng_rights_slowmode_interval_minutes#one" = "every {count} minute";
+"lng_rights_slowmode_interval_minutes#other" = "every {count} minutes";
+
+"lng_slowmode_enabled"= "Slow mode is enabled. You can send your next message in {left}.";
+"lng_slowmode_no_many" = "Slow mode is enabled. You can't send more than one message at a time.";
+"lng_slowmode_too_long" = "Sorry, this text is too long to send as one message.\n\nSlow mode is enabled. You can't send more than one message at a time.";
 
 "lng_rights_channel_info" = "Change channel info";
 "lng_rights_channel_post" = "Post messages";
@@ -1697,6 +1778,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_exceptions_list_title" = "Exceptions";
 "lng_removed_list_title" = "Removed users";
 
+"lng_admin_log_slow_mode_seconds#one" = "{count} second";
+"lng_admin_log_slow_mode_seconds#other" = "{count} seconds";
+"lng_admin_log_slow_mode_minutes#one" = "{count} minute";
+"lng_admin_log_slow_mode_minutes#other" = "{count} minutes";
+
 "lng_admin_log_title_all" = "All actions";
 "lng_admin_log_title_selected" = "Selected actions";
 "lng_admin_log_filter" = "Filter";
@@ -1771,6 +1857,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_admin_log_removed_linked_channel" = "{from} removed the linked channel";
 "lng_admin_log_changed_location_chat" = "{from} changed the group location to {address}";
 "lng_admin_log_removed_location_chat" = "{from} removed the group location";
+"lng_admin_log_changed_slow_mode" = "{from} changed slow mode to {duration}";
+"lng_admin_log_removed_slow_mode" = "{from} disabled slow mode";
 "lng_admin_log_user_with_username" = "{name} ({mention})";
 "lng_admin_log_restricted_forever" = "indefinitely";
 "lng_admin_log_restricted_until" = "until {date}";

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

@@ -1,7 +1,3 @@
-// Core types (no need to gen)
-
-//vector#1cb5c415 {t:Type} # [ t ] = Vector t;
-
 ///////////////////////////////
 /////////////////// Layer cons
 ///////////////////////////////
@@ -28,115 +24,10 @@
 //invokeWithLayer18#1c900537 query:!X = X;
 //invokeWithLayer#da9b0d0d layer:int query:!X = X; // after 18 layer
 
-///////////////////////////////
-/// Authorization key creation
-///////////////////////////////
-
-resPQ#05162463 nonce:int128 server_nonce:int128 pq:string server_public_key_fingerprints:Vector<long> = ResPQ;
-
-p_q_inner_data#83c95aec pq:string p:string q:string nonce:int128 server_nonce:int128 new_nonce:int256 = P_Q_inner_data;
-p_q_inner_data_dc#a9f55f95 pq:string p:string q:string nonce:int128 server_nonce:int128 new_nonce:int256 dc:int = P_Q_inner_data;
-p_q_inner_data_temp#3c6a84d4 pq:string p:string q:string nonce:int128 server_nonce:int128 new_nonce:int256 expires_in:int = P_Q_inner_data;
-p_q_inner_data_temp_dc#56fddf88 pq:string p:string q:string nonce:int128 server_nonce:int128 new_nonce:int256 dc:int expires_in:int = P_Q_inner_data;
-
-server_DH_params_fail#79cb045d nonce:int128 server_nonce:int128 new_nonce_hash:int128 = Server_DH_Params;
-server_DH_params_ok#d0e8075c nonce:int128 server_nonce:int128 encrypted_answer:string = Server_DH_Params;
-
-server_DH_inner_data#b5890dba nonce:int128 server_nonce:int128 g:int dh_prime:string g_a:string server_time:int = Server_DH_inner_data;
-
-client_DH_inner_data#6643b654 nonce:int128 server_nonce:int128 retry_id:long g_b:string = Client_DH_Inner_Data;
-
-dh_gen_ok#3bcbf734 nonce:int128 server_nonce:int128 new_nonce_hash1:int128 = Set_client_DH_params_answer;
-dh_gen_retry#46dc1fb9 nonce:int128 server_nonce:int128 new_nonce_hash2:int128 = Set_client_DH_params_answer;
-dh_gen_fail#a69dae02 nonce:int128 server_nonce:int128 new_nonce_hash3:int128 = Set_client_DH_params_answer;
-
-destroy_auth_key_ok#f660e1d4 = DestroyAuthKeyRes;
-destroy_auth_key_none#0a9f2259 = DestroyAuthKeyRes;
-destroy_auth_key_fail#ea109b13 = DestroyAuthKeyRes;
-
----functions---
-
-req_pq#60469778 nonce:int128 = ResPQ;
-req_pq_multi#be7e8ef1 nonce:int128 = ResPQ;
-
-req_DH_params#d712e4be nonce:int128 server_nonce:int128 p:string q:string public_key_fingerprint:long encrypted_data:string = Server_DH_Params;
-
-set_client_DH_params#f5045f1f nonce:int128 server_nonce:int128 encrypted_data:string = Set_client_DH_params_answer;
-
-destroy_auth_key#d1435160 = DestroyAuthKeyRes;
-
-///////////////////////////////
-////////////// System messages
-///////////////////////////////
-
----types---
-
-msgs_ack#62d6b459 msg_ids:Vector<long> = MsgsAck;
-
-bad_msg_notification#a7eff811 bad_msg_id:long bad_msg_seqno:int error_code:int = BadMsgNotification;
-bad_server_salt#edab447b bad_msg_id:long bad_msg_seqno:int error_code:int new_server_salt:long = BadMsgNotification;
-
-msgs_state_req#da69fb52 msg_ids:Vector<long> = MsgsStateReq;
-msgs_state_info#04deb57d req_msg_id:long info:string = MsgsStateInfo;
-msgs_all_info#8cc0d131 msg_ids:Vector<long> info:string = MsgsAllInfo;
-
-msg_detailed_info#276d3ec6 msg_id:long answer_msg_id:long bytes:int status:int = MsgDetailedInfo;
-msg_new_detailed_info#809db6df answer_msg_id:long bytes:int status:int = MsgDetailedInfo;
-
-msg_resend_req#7d861a08 msg_ids:Vector<long> = MsgResendReq;
-
-//rpc_result#f35c6d01 req_msg_id:long result:Object = RpcResult; // parsed manually
-
-rpc_error#2144ca19 error_code:int error_message:string = RpcError;
-
-rpc_answer_unknown#5e2ad36e = RpcDropAnswer;
-rpc_answer_dropped_running#cd78e586 = RpcDropAnswer;
-rpc_answer_dropped#a43ad8b7 msg_id:long seq_no:int bytes:int = RpcDropAnswer;
-
-future_salt#0949d9dc valid_since:int valid_until:int salt:long = FutureSalt;
-future_salts#ae500895 req_msg_id:long now:int salts:vector<future_salt> = FutureSalts;
-
-pong#347773c5 msg_id:long ping_id:long = Pong;
-
-destroy_session_ok#e22045fc session_id:long = DestroySessionRes;
-destroy_session_none#62d350c9 session_id:long = DestroySessionRes;
-
-new_session_created#9ec20908 first_msg_id:long unique_id:long server_salt:long = NewSession;
-
-//message msg_id:long seqno:int bytes:int body:Object = Message; // parsed manually
-//msg_container#73f1f8dc messages:vector<message> = MessageContainer; // parsed manually
-//msg_copy#e06046b2 orig_message:Message = MessageCopy; // parsed manually, not used - use msg_container
-//gzip_packed#3072cfa1 packed_data:string = Object; // parsed manually
-
-http_wait#9299359f max_delay:int wait_after:int max_wait:int = HttpWait;
-
-//ipPort ipv4:int port:int = IpPort;
-//help.configSimple#d997c3c5 date:int expires:int dc_id:int ip_port_list:Vector<ipPort> = help.ConfigSimple;
-
-ipPort#d433ad73 ipv4:int port:int = IpPort;
-ipPortSecret#37982646 ipv4:int port:int secret:bytes = IpPort;
-accessPointRule#4679b65f phone_prefix_rules:string dc_id:int ips:vector<IpPort> = AccessPointRule;
-help.configSimple#5a592a6c date:int expires:int rules:vector<AccessPointRule> = help.ConfigSimple;
-
----functions---
-
-rpc_drop_answer#58e4a740 req_msg_id:long = RpcDropAnswer;
-
-get_future_salts#b921bd04 num:int = FutureSalts;
-
-ping#7abe77ec ping_id:long = Pong;
-ping_delay_disconnect#f3427b8c ping_id:long disconnect_delay:int = Pong;
-
-destroy_session#e7512126 session_id:long = DestroySessionRes;
-
-contest.saveDeveloperInfo#9a5f6e95 vk_id:int name:string phone_number:string age:int city:string = Bool;
-
 ///////////////////////////////
 ///////// Main application API
 ///////////////////////////////
 
----types---
-
 boolFalse#bc799737 = Bool;
 boolTrue#997275b5 = Bool;
 
@@ -217,7 +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;
@@ -232,11 +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 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#10916653 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 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;
@@ -249,7 +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;
@@ -303,11 +194,10 @@ photoStrippedSize#e0b0bc2e type:string bytes:bytes = PhotoSize;
 geoPointEmpty#1117dd5f = GeoPoint;
 geoPoint#296f104 long:double lat:double access_hash:long = GeoPoint;
 
-auth.checkedPhone#811ea28e phone_registered:Bool = auth.CheckedPhone;
-
-auth.sentCode#38faab5f flags:# phone_registered:flags.0?true type:auth.SentCodeType phone_code_hash:string next_type:flags.1?auth.CodeType timeout:flags.2?int terms_of_service:flags.3?help.TermsOfService = auth.SentCode;
+auth.sentCode#5e002502 flags:# type:auth.SentCodeType phone_code_hash:string next_type:flags.1?auth.CodeType timeout:flags.2?int = auth.SentCode;
 
 auth.authorization#cd050916 flags:# tmp_sessions:flags.0?int user:User = auth.Authorization;
+auth.authorizationSignUpRequired#44747e9a flags:# terms_of_service:flags.0?help.TermsOfService = auth.Authorization;
 
 auth.exportedAuthorization#df969c2d id:int bytes:bytes = auth.ExportedAuthorization;
 
@@ -332,7 +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;
 
@@ -454,6 +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;
 
@@ -484,7 +377,7 @@ config#330b4067 flags:# phonecalls_enabled:flags.1?true default_p2p_contacts:fla
 
 nearestDc#8e1a1775 country:string this_dc:int nearest_dc:int = NearestDc;
 
-help.appUpdate#1da7158f flags:# popup:flags.0?true id:int version:string text:string entities:Vector<MessageEntity> document:flags.1?Document url:flags.2?string = help.AppUpdate;
+help.appUpdate#1da7158f flags:# can_not_skip:flags.0?true id:int version:string text:string entities:Vector<MessageEntity> document:flags.1?Document url:flags.2?string = help.AppUpdate;
 help.noAppUpdate#c45a6536 = help.AppUpdate;
 
 help.inviteText#18cb9f78 message:string = help.InviteText;
@@ -550,6 +443,7 @@ inputPrivacyKeyPhoneP2P#db9e70d2 = InputPrivacyKey;
 inputPrivacyKeyForwards#a4dd4c08 = InputPrivacyKey;
 inputPrivacyKeyProfilePhoto#5719bacc = InputPrivacyKey;
 inputPrivacyKeyPhoneNumber#352dafa = InputPrivacyKey;
+inputPrivacyKeyAddedByPhone#d1219bdd = InputPrivacyKey;
 
 privacyKeyStatusTimestamp#bc2eab30 = PrivacyKey;
 privacyKeyChatInvite#500e6dfa = PrivacyKey;
@@ -558,6 +452,7 @@ privacyKeyPhoneP2P#39491cc8 = PrivacyKey;
 privacyKeyForwards#69ec56a3 = PrivacyKey;
 privacyKeyProfilePhoto#96151fed = PrivacyKey;
 privacyKeyPhoneNumber#d19ae46d = PrivacyKey;
+privacyKeyAddedByPhone#42ffd42b = PrivacyKey;
 
 inputPrivacyValueAllowContacts#d09e07b = InputPrivacyRule;
 inputPrivacyValueAllowAll#184b35ce = InputPrivacyRule;
@@ -601,7 +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;
@@ -627,6 +522,7 @@ chatInvite#dfc2f58e flags:# channel:flags.0?true broadcast:flags.1?true public:f
 inputStickerSetEmpty#ffb62b95 = InputStickerSet;
 inputStickerSetID#9de7a269 id:long access_hash:long = InputStickerSet;
 inputStickerSetShortName#861cc8a0 short_name:string = InputStickerSet;
+inputStickerSetAnimatedEmoji#28703c8 = InputStickerSet;
 
 stickerSet#eeb46f27 flags:# archived:flags.1?true official:flags.2?true masks:flags.3?true animated:flags.5?true installed_date:flags.0?int id:long access_hash:long title:string short_name:string thumb:flags.4?PhotoSize thumb_dc_id:flags.4?int count:int hash:int = StickerSet;
 
@@ -690,8 +586,8 @@ channelMessagesFilter#cd77d957 flags:# exclude_new_messages:flags.1?true ranges:
 
 channelParticipant#15ebac1d user_id:int date:int = ChannelParticipant;
 channelParticipantSelf#a3289a6d user_id:int inviter_id:int date:int = ChannelParticipant;
-channelParticipantCreator#e3e2e1f9 user_id:int = ChannelParticipant;
-channelParticipantAdmin#5daa6e23 flags:# can_edit:flags.0?true self:flags.1?true user_id:int inviter_id:flags.1?int promoted_by:int date:int admin_rights:ChatAdminRights = ChannelParticipant;
+channelParticipantCreator#808d15a4 flags:# user_id:int rank:flags.0?string = ChannelParticipant;
+channelParticipantAdmin#ccbebbaf flags:# can_edit:flags.0?true self:flags.1?true user_id:int inviter_id:flags.1?int promoted_by:int date:int admin_rights:ChatAdminRights rank:flags.2?string = ChannelParticipant;
 channelParticipantBanned#1c0facaf flags:# left:flags.0?true user_id:int kicked_by:int date:int banned_rights:ChatBannedRights = ChannelParticipant;
 
 channelParticipantsRecent#de3f3c79 = ChannelParticipantsFilter;
@@ -892,7 +788,7 @@ payments.paymentForm#3f56aea3 flags:# can_save_credentials:flags.2?true password
 payments.validatedRequestedInfo#d1451883 flags:# id:flags.0?string shipping_options:flags.1?Vector<ShippingOption> = payments.ValidatedRequestedInfo;
 
 payments.paymentResult#4e5f810d updates:Updates = payments.PaymentResult;
-payments.paymentVerficationNeeded#6b56b921 url:string = payments.PaymentResult;
+payments.paymentVerificationNeeded#d8411139 url:string = payments.PaymentResult;
 
 payments.paymentReceipt#500911e1 flags:# date:int bot_id:int invoice:Invoice provider_id:int info:flags.0?PaymentRequestedInfo shipping:flags.1?ShippingOption currency:string total_amount:long credentials_title:string users:Vector<User> = payments.PaymentReceipt;
 
@@ -959,6 +855,7 @@ channelAdminLogEventActionDefaultBannedRights#2df5fc0a prev_banned_rights:ChatBa
 channelAdminLogEventActionStopPoll#8f079643 message:Message = ChannelAdminLogEventAction;
 channelAdminLogEventActionChangeLinkedChat#a26f881b prev_value:int new_value:int = ChannelAdminLogEventAction;
 channelAdminLogEventActionChangeLocation#e6b76ae prev_value:ChannelLocation new_value:ChannelLocation = ChannelAdminLogEventAction;
+channelAdminLogEventActionToggleSlowMode#53909779 prev_value:int new_value:int = ChannelAdminLogEventAction;
 
 channelAdminLogEvent#3b5a3e40 id:long date:int user_id:int action:ChannelAdminLogEventAction = ChannelAdminLogEvent;
 
@@ -1134,7 +1031,7 @@ inputWallPaperSlug#72091c80 slug:string = InputWallPaper;
 account.wallPapersNotModified#1c199183 = account.WallPapers;
 account.wallPapers#702b65a9 hash:int wallpapers:Vector<WallPaper> = account.WallPapers;
 
-codeSettings#302f59f3 flags:# allow_flashcall:flags.0?true current_number:flags.1?true app_hash_persistent:flags.2?true app_hash:flags.3?string = CodeSettings;
+codeSettings#debebe83 flags:# allow_flashcall:flags.0?true current_number:flags.1?true allow_app_hash:flags.4?true = CodeSettings;
 
 wallPaperSettings#a12f40b8 flags:# blur:flags.1?true motion:flags.2?true background_color:flags.0?int intensity:flags.3?int = WallPaperSettings;
 
@@ -1170,6 +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;
@@ -1181,7 +1089,7 @@ invokeWithMessagesRange#365275f2 {X:Type} range:MessageRange query:!X = X;
 invokeWithTakeout#aca9fd2e {X:Type} takeout_id:long query:!X = X;
 
 auth.sendCode#a677244f phone_number:string api_id:int api_hash:string settings:CodeSettings = auth.SentCode;
-auth.signUp#1b067634 phone_number:string phone_code_hash:string phone_code:string first_name:string last_name:string = auth.Authorization;
+auth.signUp#80eee427 phone_number:string phone_code_hash:string first_name:string last_name:string = auth.Authorization;
 auth.signIn#bcd51581 phone_number:string phone_code_hash:string phone_code:string = auth.Authorization;
 auth.logOut#5717da40 = Bool;
 auth.resetAuthorizations#9fab0d1a = Bool;
@@ -1251,6 +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;
@@ -1285,9 +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;
@@ -1331,9 +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;
@@ -1367,7 +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>;
@@ -1389,6 +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;
@@ -1400,7 +1319,7 @@ photos.deletePhotos#87cf7f2f id:Vector<InputPhoto> = Vector<long>;
 photos.getUserPhotos#91cd32a8 user_id:InputUser offset:int max_id:long limit:int = photos.Photos;
 
 upload.saveFilePart#b304a621 file_id:long file_part:int bytes:bytes = Bool;
-upload.getFile#e3a6cfb5 location:InputFileLocation offset:int limit:int = upload.File;
+upload.getFile#b15a9afc flags:# precise:flags.0?true location:InputFileLocation offset:int limit:int = upload.File;
 upload.saveBigFilePart#de7b673d file_id:long file_part:int file_total_parts:int bytes:bytes = Bool;
 upload.getWebFile#24e6818d location:InputWebFileLocation offset:int limit:int = upload.WebFile;
 upload.getCdnFile#2000bcc3 file_token:bytes offset:int limit:int = upload.CdnFile;
@@ -1438,7 +1357,7 @@ channels.getParticipant#546dd7a6 channel:InputChannel user_id:InputUser = channe
 channels.getChannels#a7f6bbb id:Vector<InputChannel> = messages.Chats;
 channels.getFullChannel#8736a09 channel:InputChannel = messages.ChatFull;
 channels.createChannel#3d5fb10f flags:# broadcast:flags.0?true megagroup:flags.1?true title:string about:string geo_point:flags.2?InputGeoPoint address:flags.2?string = Updates;
-channels.editAdmin#70f893ba channel:InputChannel user_id:InputUser admin_rights:ChatAdminRights = Updates;
+channels.editAdmin#d33c8902 channel:InputChannel user_id:InputUser admin_rights:ChatAdminRights rank:string = Updates;
 channels.editTitle#566decd0 channel:InputChannel title:string = Updates;
 channels.editPhoto#f12e57c9 channel:InputChannel photo:InputChatPhoto = Updates;
 channels.checkUsername#10e6bd2c channel:InputChannel username:string = Bool;
@@ -1461,6 +1380,7 @@ channels.getGroupsForDiscussion#f5dad378 = messages.Chats;
 channels.setDiscussionGroup#40582bb2 broadcast:InputChannel group:InputChannel = Bool;
 channels.editCreator#8f38cd1f channel:InputChannel user_id:InputUser password:InputCheckPasswordSRP = Updates;
 channels.editLocation#58e63f6d channel:InputChannel geo_point:InputGeoPoint address:string = Bool;
+channels.toggleSlowMode#edd49ef0 channel:InputChannel seconds:int = Updates;
 
 bots.sendCustomRequest#aa2769ed custom_method:string params:DataJSON = DataJSON;
 bots.answerWebhookJSONQuery#e6213f4d query_id:long data:DataJSON = Bool;
@@ -1495,4 +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 103
+// LAYER 105

Telegram/Resources/tl/mtproto.tl

@@ -0,0 +1,114 @@
+// Core types (no need to gen)
+
+//vector#1cb5c415 {t:Type} # [ t ] = Vector t;
+
+///////////////////////////////
+/// Authorization key creation
+///////////////////////////////
+
+resPQ#05162463 nonce:int128 server_nonce:int128 pq:string server_public_key_fingerprints:Vector<long> = ResPQ;
+
+p_q_inner_data#83c95aec pq:string p:string q:string nonce:int128 server_nonce:int128 new_nonce:int256 = P_Q_inner_data;
+p_q_inner_data_dc#a9f55f95 pq:string p:string q:string nonce:int128 server_nonce:int128 new_nonce:int256 dc:int = P_Q_inner_data;
+p_q_inner_data_temp#3c6a84d4 pq:string p:string q:string nonce:int128 server_nonce:int128 new_nonce:int256 expires_in:int = P_Q_inner_data;
+p_q_inner_data_temp_dc#56fddf88 pq:string p:string q:string nonce:int128 server_nonce:int128 new_nonce:int256 dc:int expires_in:int = P_Q_inner_data;
+
+server_DH_params_fail#79cb045d nonce:int128 server_nonce:int128 new_nonce_hash:int128 = Server_DH_Params;
+server_DH_params_ok#d0e8075c nonce:int128 server_nonce:int128 encrypted_answer:string = Server_DH_Params;
+
+server_DH_inner_data#b5890dba nonce:int128 server_nonce:int128 g:int dh_prime:string g_a:string server_time:int = Server_DH_inner_data;
+
+client_DH_inner_data#6643b654 nonce:int128 server_nonce:int128 retry_id:long g_b:string = Client_DH_Inner_Data;
+
+dh_gen_ok#3bcbf734 nonce:int128 server_nonce:int128 new_nonce_hash1:int128 = Set_client_DH_params_answer;
+dh_gen_retry#46dc1fb9 nonce:int128 server_nonce:int128 new_nonce_hash2:int128 = Set_client_DH_params_answer;
+dh_gen_fail#a69dae02 nonce:int128 server_nonce:int128 new_nonce_hash3:int128 = Set_client_DH_params_answer;
+
+destroy_auth_key_ok#f660e1d4 = DestroyAuthKeyRes;
+destroy_auth_key_none#0a9f2259 = DestroyAuthKeyRes;
+destroy_auth_key_fail#ea109b13 = DestroyAuthKeyRes;
+
+---functions---
+
+req_pq#60469778 nonce:int128 = ResPQ;
+req_pq_multi#be7e8ef1 nonce:int128 = ResPQ;
+
+req_DH_params#d712e4be nonce:int128 server_nonce:int128 p:string q:string public_key_fingerprint:long encrypted_data:string = Server_DH_Params;
+
+set_client_DH_params#f5045f1f nonce:int128 server_nonce:int128 encrypted_data:string = Set_client_DH_params_answer;
+
+destroy_auth_key#d1435160 = DestroyAuthKeyRes;
+
+///////////////////////////////
+////////////// System messages
+///////////////////////////////
+
+---types---
+
+msgs_ack#62d6b459 msg_ids:Vector<long> = MsgsAck;
+
+bad_msg_notification#a7eff811 bad_msg_id:long bad_msg_seqno:int error_code:int = BadMsgNotification;
+bad_server_salt#edab447b bad_msg_id:long bad_msg_seqno:int error_code:int new_server_salt:long = BadMsgNotification;
+
+msgs_state_req#da69fb52 msg_ids:Vector<long> = MsgsStateReq;
+msgs_state_info#04deb57d req_msg_id:long info:string = MsgsStateInfo;
+msgs_all_info#8cc0d131 msg_ids:Vector<long> info:string = MsgsAllInfo;
+
+msg_detailed_info#276d3ec6 msg_id:long answer_msg_id:long bytes:int status:int = MsgDetailedInfo;
+msg_new_detailed_info#809db6df answer_msg_id:long bytes:int status:int = MsgDetailedInfo;
+
+msg_resend_req#7d861a08 msg_ids:Vector<long> = MsgResendReq;
+
+//rpc_result#f35c6d01 req_msg_id:long result:Object = RpcResult; // parsed manually
+
+rpc_error#2144ca19 error_code:int error_message:string = RpcError;
+
+rpc_answer_unknown#5e2ad36e = RpcDropAnswer;
+rpc_answer_dropped_running#cd78e586 = RpcDropAnswer;
+rpc_answer_dropped#a43ad8b7 msg_id:long seq_no:int bytes:int = RpcDropAnswer;
+
+future_salt#0949d9dc valid_since:int valid_until:int salt:long = FutureSalt;
+future_salts#ae500895 req_msg_id:long now:int salts:vector<future_salt> = FutureSalts;
+
+pong#347773c5 msg_id:long ping_id:long = Pong;
+
+destroy_session_ok#e22045fc session_id:long = DestroySessionRes;
+destroy_session_none#62d350c9 session_id:long = DestroySessionRes;
+
+new_session_created#9ec20908 first_msg_id:long unique_id:long server_salt:long = NewSession;
+
+//message msg_id:long seqno:int bytes:int body:Object = Message; // parsed manually
+//msg_container#73f1f8dc messages:vector<message> = MessageContainer; // parsed manually
+//msg_copy#e06046b2 orig_message:Message = MessageCopy; // parsed manually, not used - use msg_container
+//gzip_packed#3072cfa1 packed_data:string = Object; // parsed manually
+
+http_wait#9299359f max_delay:int wait_after:int max_wait:int = HttpWait;
+
+//ipPort ipv4:int port:int = IpPort;
+//help.configSimple#d997c3c5 date:int expires:int dc_id:int ip_port_list:Vector<ipPort> = help.ConfigSimple;
+
+ipPort#d433ad73 ipv4:int port:int = IpPort;
+ipPortSecret#37982646 ipv4:int port:int secret:bytes = IpPort;
+accessPointRule#4679b65f phone_prefix_rules:string dc_id:int ips:vector<IpPort> = AccessPointRule;
+help.configSimple#5a592a6c date:int expires:int rules:vector<AccessPointRule> = help.ConfigSimple;
+
+tlsClientHello blocks:vector<TlsBlock> = TlsClientHello;
+
+tlsBlockString data:string = TlsBlock;
+tlsBlockRandom length:int = TlsBlock;
+tlsBlockZero length:int = TlsBlock;
+tlsBlockDomain = TlsBlock;
+tlsBlockGrease seed:int = TlsBlock;
+tlsBlockPublicKey = TlsBlock;
+tlsBlockScope entries:Vector<TlsBlock> = TlsBlock;
+
+---functions---
+
+rpc_drop_answer#58e4a740 req_msg_id:long = RpcDropAnswer;
+
+get_future_salts#b921bd04 num:int = FutureSalts;
+
+ping#7abe77ec ping_id:long = Pong;
+ping_delay_disconnect#f3427b8c ping_id:long disconnect_delay:int = Pong;
+
+destroy_session#e7512126 session_id:long = DestroySessionRes;

Telegram/Resources/uwp/AppX/AppxManifest.xml

@@ -9,10 +9,10 @@
   <Identity Name="TelegramMessengerLLP.TelegramDesktop"
     ProcessorArchitecture="ARCHITECTURE"
     Publisher="CN=536BC709-8EE1-4478-AF22-F0F0F26FF64A"
-    Version="1.7.11.0" />
+    Version="1.8.11.0" />
   <Properties>
     <DisplayName>Telegram Desktop</DisplayName>
-    <PublisherDisplayName>Telegram Messenger LLP</PublisherDisplayName>
+    <PublisherDisplayName>Telegram FZ-LLC</PublisherDisplayName>
     <Description>Telegram Desktop official messenger</Description>
     <Logo>Assets\logo\logo.png</Logo>
   </Properties>

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 1,7,11,0
- PRODUCTVERSION 1,7,11,0
+ FILEVERSION 1,8,11,0
+ PRODUCTVERSION 1,8,11,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -50,12 +49,12 @@ BEGIN
     BEGIN
         BLOCK "040904b0"
         BEGIN
-            VALUE "CompanyName", "Telegram Messenger LLP"
+            VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop"
-            VALUE "FileVersion", "1.7.11.0"
+            VALUE "FileVersion", "1.8.11.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2019"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "1.7.11.0"
+            VALUE "ProductVersion", "1.8.11.0"
         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 1,7,11,0
- PRODUCTVERSION 1,7,11,0
+ FILEVERSION 1,8,11,0
+ PRODUCTVERSION 1,8,11,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -41,12 +40,12 @@ BEGIN
     BEGIN
         BLOCK "040904b0"
         BEGIN
-            VALUE "CompanyName", "Telegram Messenger LLP"
+            VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop Updater"
-            VALUE "FileVersion", "1.7.11.0"
+            VALUE "FileVersion", "1.8.11.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2019"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "1.7.11.0"
+            VALUE "ProductVersion", "1.8.11.0"
         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/_other/updater.cpp

@@ -307,7 +307,7 @@ void updateRegistry() {
 								RegSetValueEx(rkey, L"DisplayVersion", 0, REG_SZ, (const BYTE*)versionStr, ((versionLen / 2) + 1) * sizeof(WCHAR));
 								wsprintf(nameStr, L"Telegram Desktop version %s", versionStr);
 								RegSetValueEx(rkey, L"DisplayName", 0, REG_SZ, (const BYTE*)nameStr, (wcslen(nameStr) + 1) * sizeof(WCHAR));
-								wsprintf(publisherStr, L"Telegram Messenger LLP");
+								wsprintf(publisherStr, L"Telegram FZ-LLC");
 								RegSetValueEx(rkey, L"Publisher", 0, REG_SZ, (const BYTE*)publisherStr, (wcslen(publisherStr) + 1) * sizeof(WCHAR));
 								wsprintf(icongroupStr, L"Telegram Desktop");
 								RegSetValueEx(rkey, L"Inno Setup: Icon Group", 0, REG_SZ, (const BYTE*)icongroupStr, (wcslen(icongroupStr) + 1) * sizeof(WCHAR));

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

@@ -0,0 +1,193 @@
+/*
+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_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" // 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(
+		Api::MessageToSend &&message,
+		not_null<MediaData*> media,
+		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();
+
+	message.action.clearDraft = false;
+	message.action.generateLocal = true;
+	api->sendAction(message.action);
+
+	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 (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 = message.action.options.silent
+		|| (channelPost && session->data().notifySilentPosts(peer));
+	if (channelPost) {
+		flags |= MTPDmessage::Flag::f_views;
+		flags |= MTPDmessage::Flag::f_post;
+	}
+	if (!channelPost) {
+		flags |= MTPDmessage::Flag::f_from_id;
+	} else if (peer->asChannel()->addsSignature()) {
+		flags |= MTPDmessage::Flag::f_post_author;
+	}
+	if (silentPost) {
+		sendFlags |= MTPmessages_SendMedia::Flag::f_silent;
+	}
+	auto messageFromId = channelPost ? 0 : session->userId();
+	auto messagePostAuthor = channelPost ? session->user()->name : QString();
+
+	auto caption = TextWithEntities{
+		message.textWithTags.text,
+		TextUtilities::ConvertTextTagsToEntities(message.textWithTags.tags)
+	};
+	TextUtilities::Trim(caption);
+	auto sentEntities = EntitiesToMTP(
+		caption.entities,
+		ConvertOption::SkipLocal);
+	if (!sentEntities.v.isEmpty()) {
+		sendFlags |= MTPmessages_SendMedia::Flag::f_entities;
+	}
+	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,
+		HistoryItem::NewMessageDate(message.action.options.scheduled),
+		messageFromId,
+		messagePostAuthor,
+		media,
+		caption,
+		MTPReplyMarkup());
+
+	auto failHandler = std::make_shared<Fn<void(const RPCError&, QByteArray)>>();
+	auto performRequest = [=] {
+		const auto usedFileReference = media->fileReference();
+		history->sendRequestId = api->request(MTPmessages_SendMedia(
+			MTP_flags(sendFlags),
+			peer->input,
+			MTP_int(replyTo),
+			inputMedia(),
+			MTP_string(captionText),
+			MTP_long(randomId),
+			MTPReplyMarkup(),
+			sentEntities,
+			MTP_int(message.action.options.scheduled)
+		)).done([=](const MTPUpdates &result) {
+			api->applyUpdates(result, randomId);
+		}).fail([=](const RPCError &error) {
+			(*failHandler)(error, usedFileReference);
+		}).afterRequest(history->sendRequestId
+		).send();
+	};
+	*failHandler = [=](const RPCError &error, QByteArray usedFileReference) {
+		if (error.code() == 400
+			&& error.type().startsWith(qstr("FILE_REFERENCE_"))) {
+			api->refreshFileReference(origin, [=](const auto &result) {
+				if (media->fileReference() != usedFileReference) {
+					performRequest();
+				} else {
+					api->sendMessageFail(error, peer, randomId, newId);
+				}
+			});
+		} else {
+			api->sendMessageFail(error, peer, randomId, newId);
+		}
+	};
+	performRequest();
+
+	if (const auto main = App::main()) {
+		main->finishForwarding(message.action);
+	}
+}
+
+} // namespace
+
+void SendExistingDocument(
+		Api::MessageToSend &&message,
+		not_null<DocumentData*> document) {
+	const auto inputMedia = [=] {
+		return MTP_inputMediaDocument(
+			MTP_flags(0),
+			document->mtpInput(),
+			MTPint());
+	};
+	SendExistingMedia(
+		std::move(message),
+		document,
+		inputMedia,
+		document->stickerOrGifOrigin());
+
+	if (document->sticker()) {
+		if (const auto main = App::main()) {
+			main->incrementSticker(document);
+			document->session().data().notifyRecentStickersUpdated();
+		}
+	}
+}
+
+void SendExistingPhoto(
+		Api::MessageToSend &&message,
+		not_null<PhotoData*> photo) {
+	const auto inputMedia = [=] {
+		return MTP_inputMediaPhoto(
+			MTP_flags(0),
+			photo->mtpInput(),
+			MTPint());
+	};
+	SendExistingMedia(
+		std::move(message),
+		photo,
+		inputMedia,
+		Data::FileOrigin());
+}
+
+} // namespace Api

Telegram/SourceFiles/api/api_sending.h

@@ -0,0 +1,25 @@
+/*
+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;
+class DocumentData;
+
+namespace Api {
+
+struct MessageToSend;
+
+void SendExistingDocument(
+	Api::MessageToSend &&message,
+	not_null<DocumentData*> document);
+
+void SendExistingPhoto(
+	Api::MessageToSend &&message,
+	not_null<PhotoData*> photo);
+
+} // namespace Api

Telegram/SourceFiles/api/api_single_message_search.cpp

@@ -0,0 +1,235 @@
+/*
+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_single_message_search.h"
+
+#include "main/main_session.h"
+#include "data/data_session.h"
+#include "data/data_channel.h"
+#include "data/data_search_controller.h"
+#include "core/local_url_handlers.h"
+#include "history/history_item.h"
+#include "base/qthelp_url.h"
+#include "apiwrap.h"
+
+namespace Api {
+namespace {
+
+using Key = details::SingleMessageSearchKey;
+
+Key ExtractKey(const QString &query) {
+	const auto trimmed = query.trimmed();
+	const auto local = Core::TryConvertUrlToLocal(trimmed);
+	const auto check = local.isEmpty() ? trimmed : local;
+	const auto parse = [&] {
+		const auto delimeter = check.indexOf('?');
+		return (delimeter > 0)
+			? qthelp::url_parse_params(
+				check.mid(delimeter + 1),
+				qthelp::UrlParamNameTransform::ToLower)
+			: QMap<QString, QString>();
+	};
+	if (check.startsWith(qstr("tg://privatepost"), Qt::CaseInsensitive)) {
+		const auto params = parse();
+		const auto channel = params.value("channel");
+		const auto post = params.value("post").toInt();
+		return (channel.toInt() && post) ? Key{ channel, post } : Key();
+	} else if (check.startsWith(qstr("tg://resolve"), Qt::CaseInsensitive)) {
+		const auto params = parse();
+		const auto domain = params.value("domain");
+		const auto post = params.value("post").toInt();
+		return (!domain.isEmpty() && post) ? Key{ domain, post } : Key();
+	}
+	return Key();
+}
+
+} // namespace
+
+SingleMessageSearch::SingleMessageSearch(not_null<Main::Session*> session)
+: _session(session) {
+}
+
+SingleMessageSearch::~SingleMessageSearch() {
+	clear();
+}
+
+void SingleMessageSearch::clear() {
+	_cache.clear();
+	_requestKey = Key();
+	_session->api().request(base::take(_requestId)).cancel();
+}
+
+std::optional<HistoryItem*> SingleMessageSearch::lookup(
+		const QString &query,
+		Fn<void()> ready) {
+	const auto key = ExtractKey(query);
+	if (!key) {
+		return nullptr;
+	}
+	const auto i = _cache.find(key);
+	if (i != end(_cache)) {
+		return _session->data().message(i->second);
+	}
+	if (!(_requestKey == key)) {
+		_session->api().request(base::take(_requestId)).cancel();
+		_requestKey = key;
+	}
+	return performLookup(ready);
+}
+
+std::optional<HistoryItem*> SingleMessageSearch::performLookupByChannel(
+		not_null<ChannelData*> channel,
+		Fn<void()> ready) {
+	Expects(!_requestKey.empty());
+
+	const auto postId = _requestKey.postId;
+	if (const auto item = _session->data().message(channel, postId)) {
+		_cache.emplace(_requestKey, item->fullId());
+		return item;
+	} else if (!ready) {
+		return nullptr;
+	}
+
+	const auto fail = [=] {
+		_cache.emplace(_requestKey, FullMsgId());
+		ready();
+	};
+	_requestId = _session->api().request(MTPchannels_GetMessages(
+		channel->inputChannel,
+		MTP_vector<MTPInputMessage>(1, MTP_inputMessageID(MTP_int(postId)))
+	)).done([=](const MTPmessages_Messages &result) {
+		const auto received = Api::ParseSearchResult(
+			channel,
+			Storage::SharedMediaType::kCount,
+			postId,
+			Data::LoadDirection::Around,
+			result);
+		if (!received.messageIds.empty()
+			&& received.messageIds.front() == postId) {
+			_cache.emplace(
+				_requestKey,
+				FullMsgId(channel->bareId(), postId));
+			ready();
+		} else {
+			fail();
+		}
+	}).fail([=](const RPCError &error) {
+		fail();
+	}).send();
+
+	return std::nullopt;
+}
+
+std::optional<HistoryItem*> SingleMessageSearch::performLookupById(
+		ChannelId channelId,
+		Fn<void()> ready) {
+	Expects(!_requestKey.empty());
+
+	if (const auto channel = _session->data().channelLoaded(channelId)) {
+		return performLookupByChannel(channel, ready);
+	} else if (!ready) {
+		return nullptr;
+	}
+
+	const auto fail = [=] {
+		_cache.emplace(_requestKey, FullMsgId());
+		ready();
+	};
+	_requestId = _session->api().request(MTPchannels_GetChannels(
+		MTP_vector<MTPInputChannel>(
+			1,
+			MTP_inputChannel(MTP_int(channelId), MTP_long(0)))
+	)).done([=](const MTPmessages_Chats &result) {
+		result.match([&](const auto &data) {
+			const auto peer = _session->data().processChats(data.vchats());
+			if (peer && peer->id == peerFromChannel(channelId)) {
+				if (performLookupByChannel(peer->asChannel(), ready)) {
+					ready();
+				}
+			} else {
+				fail();
+			}
+		});
+	}).fail([=](const RPCError &error) {
+		fail();
+	}).send();
+
+	return std::nullopt;
+}
+
+std::optional<HistoryItem*> SingleMessageSearch::performLookupByUsername(
+		const QString &username,
+		Fn<void()> ready) {
+	Expects(!_requestKey.empty());
+
+	if (const auto peer = _session->data().peerByUsername(username)) {
+		if (const auto channel = peer->asChannel()) {
+			return performLookupByChannel(channel, ready);
+		}
+		_cache.emplace(_requestKey, FullMsgId());
+		return nullptr;
+	} else if (!ready) {
+		return nullptr;
+	}
+
+	const auto fail = [=] {
+		_cache.emplace(_requestKey, FullMsgId());
+		ready();
+	};
+	_requestId = _session->api().request(MTPcontacts_ResolveUsername(
+		MTP_string(username)
+	)).done([=](const MTPcontacts_ResolvedPeer &result) {
+		result.match([&](const MTPDcontacts_resolvedPeer &data) {
+			_session->data().processUsers(data.vusers());
+			_session->data().processChats(data.vchats());
+			const auto peerId = peerFromMTP(data.vpeer());
+			const auto peer = peerId
+				? _session->data().peerLoaded(peerId)
+				: nullptr;
+			if (const auto channel = peer ? peer->asChannel() : nullptr) {
+				if (performLookupByChannel(channel, ready)) {
+					ready();
+				}
+			} else {
+				fail();
+			}
+		});
+	}).fail([=](const RPCError &error) {
+		fail();
+	}).send();
+
+	return std::nullopt;
+}
+
+std::optional<HistoryItem*> SingleMessageSearch::performLookup(
+		Fn<void()> ready) {
+	Expects(!_requestKey.empty());
+
+	if (!_requestKey.domainOrId[0].isDigit()) {
+		return performLookupByUsername(_requestKey.domainOrId, ready);
+	}
+	const auto channelId = _requestKey.domainOrId.toInt();
+	return performLookupById(channelId, ready);
+}
+
+QString ConvertPeerSearchQuery(const QString &query) {
+	const auto trimmed = query.trimmed();
+	const auto local = Core::TryConvertUrlToLocal(trimmed);
+	const auto check = local.isEmpty() ? trimmed : local;
+	if (!check.startsWith(qstr("tg://resolve"), Qt::CaseInsensitive)) {
+		return query;
+	}
+	const auto delimeter = check.indexOf('?');
+	const auto params = (delimeter > 0)
+		? qthelp::url_parse_params(
+			check.mid(delimeter + 1),
+			qthelp::UrlParamNameTransform::ToLower)
+		: QMap<QString, QString>();
+	return params.value("domain", query);
+}
+
+} // namespace Api

Telegram/SourceFiles/api/api_single_message_search.h

@@ -0,0 +1,76 @@
+/*
+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 Main {
+class Session;
+} // namespace Main
+
+namespace Api {
+namespace details {
+
+struct SingleMessageSearchKey {
+	QString domainOrId;
+	MsgId postId = 0;
+
+	[[nodiscard]] bool empty() const {
+		return domainOrId.isEmpty() || !postId;
+	}
+	[[nodiscard]] explicit operator bool() const {
+		return !empty();
+	}
+	[[nodiscard]] bool operator<(const SingleMessageSearchKey &other) const {
+		return std::tie(domainOrId, postId)
+			< std::tie(other.domainOrId, other.postId);
+	}
+	[[nodiscard]] bool operator==(
+			const SingleMessageSearchKey &other) const {
+		return std::tie(domainOrId, postId)
+			== std::tie(other.domainOrId, other.postId);
+	}
+};
+
+} // namespace details
+
+class SingleMessageSearch {
+public:
+	explicit SingleMessageSearch(not_null<Main::Session*> session);
+	~SingleMessageSearch();
+
+	void clear();
+
+	// If 'ready' callback is empty, the result must not be 'nullopt'.
+	[[nodiscard]] std::optional<HistoryItem*> lookup(
+		const QString &query,
+		Fn<void()> ready = nullptr);
+
+private:
+	using Key = details::SingleMessageSearchKey;
+
+	[[nodiscard]] std::optional<HistoryItem*> performLookup(
+		Fn<void()> ready);
+	[[nodiscard]] std::optional<HistoryItem*> performLookupById(
+		ChannelId channelId,
+		Fn<void()> ready);
+	[[nodiscard]] std::optional<HistoryItem*> performLookupByUsername(
+		const QString &username,
+		Fn<void()> ready);
+	[[nodiscard]] std::optional<HistoryItem*> performLookupByChannel(
+		not_null<ChannelData*> channel,
+		Fn<void()> ready);
+
+	const not_null<Main::Session*> _session;
+	std::map<Key, FullMsgId> _cache;
+	mtpRequestId _requestId = 0;
+	Key _requestKey;
+
+};
+
+[[nodiscard]] QString ConvertPeerSearchQuery(const QString &query);
+
+} // 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.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"
@@ -16,13 +16,16 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_messages.h"
 
 class TaskQueue;
-class AuthSession;
 struct MessageGroupId;
 struct SendingAlbum;
 enum class SendMediaType;
 struct FileLoadTo;
 class mtpFileLoader;
 
+namespace Main {
+class Session;
+} // namespace Main
+
 namespace Data {
 struct UpdatedFileReferences;
 class WallPaper;
@@ -46,23 +49,51 @@ struct CloudPasswordState;
 } // namespace Core
 
 namespace Api {
+namespace details {
 
-template <typename IntRange>
-inline int32 CountHash(IntRange &&range) {
-	uint32 acc = 0;
-	for (auto value : range) {
-		acc += (acc * 20261) + uint32(value);
+inline QString ToString(const QString &value) {
+	return value;
+}
+
+inline QString ToString(int32 value) {
+	return QString::number(value);
+}
+
+inline QString ToString(uint64 value) {
+	return QString::number(value);
+}
+
+} // namespace details
+
+template <
+	typename ...Types,
+	typename = std::enable_if_t<(sizeof...(Types) > 0)>>
+QString RequestKey(Types &&...values) {
+	const auto strings = { details::ToString(values)... };
+	if (strings.size() == 1) {
+		return *strings.begin();
 	}
-	return int32(acc & 0x7FFFFFFF);
+
+	auto result = QString();
+	result.reserve(
+		ranges::accumulate(strings, 0, ranges::plus(), &QString::size));
+	for (const auto &string : strings) {
+		result.append(string);
+	}
+	return result;
 }
 
 } // namespace Api
 
 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,
@@ -99,11 +130,17 @@ public:
 		bool operator!=(const BlockedUsersSlice &other) const;
 	};
 
-	explicit ApiWrap(not_null<AuthSession*> session);
+	explicit ApiWrap(not_null<Main::Session*> session);
 
-	AuthSession &session() const;
+	Main::Session &session() const;
+
+	void applyUpdates(
+		const MTPUpdates &updates,
+		uint64 sentMessageRandomId = 0);
+
+	void registerModifyRequest(const QString &key, mtpRequestId requestId);
+	void clearModifyRequest(const QString &key);
 
-	void applyUpdates(const MTPUpdates &updates, uint64 sentMessageRandomId = 0);
 	void applyNotifySettings(
 		MTPInputNotifyPeer peer,
 		const MTPPeerNotifySettings &settings);
@@ -214,10 +251,6 @@ public:
 	void deleteAllFromUser(
 		not_null<ChannelData*> channel,
 		not_null<UserData*> from);
-	void saveDefaultRestrictions(
-		not_null<PeerData*> peer,
-		const MTPChatBannedRights &rights,
-		Fn<void(bool)> callback = nullptr);
 
 	void requestWebPageDelayed(WebPageData *page);
 	void clearWebPageRequest(WebPageData *page);
@@ -337,30 +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 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
@@ -371,66 +395,54 @@ 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 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);
-	void sendExistingDocument(
-		not_null<DocumentData*> document,
-		Data::FileOrigin origin,
-		TextWithEntities caption,
-		const SendOptions &options);
-
-	void requestSupportContact(FnMut<void(const MTPUser&)> callback);
+		const SendAction &action);
+	void sendMessageFail(
+		const RPCError &error,
+		not_null<PeerData*> peer,
+		uint64 randomId = 0,
+		FullMsgId itemId = FullMsgId());
 
 	void uploadPeerPhoto(not_null<PeerData*> peer, QImage &&image);
 	void clearPeerPhoto(not_null<PhotoData*> photo);
@@ -459,7 +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(
@@ -536,10 +548,6 @@ private:
 		not_null<ChannelData*> channel,
 		int availableCount,
 		const QVector<MTPChannelParticipant> &list);
-	void applyAdminsList(
-		not_null<ChannelData*> channel,
-		int availableCount,
-		const QVector<MTPChannelParticipant> &list);
 	void resolveWebPages();
 	void gotWebPages(
 		ChannelData *channel,
@@ -608,7 +616,7 @@ private:
 		const QString &firstName,
 		const QString &lastName,
 		UserId userId,
-		const SendOptions &options);
+		const SendAction &action);
 
 	void deleteHistory(
 		not_null<PeerData*> peer,
@@ -627,7 +635,6 @@ private:
 		not_null<ChannelData*> channel,
 		not_null<UserData*> from);
 
-	void sendMessageFail(const RPCError &error);
 	void uploadAlbumMedia(
 		not_null<HistoryItem*> item,
 		const MessageGroupId &groupId,
@@ -643,13 +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
 
@@ -681,7 +688,9 @@ private:
 
 	void sendDialogRequests();
 
-	not_null<AuthSession*> _session;
+	not_null<Main::Session*> _session;
+
+	base::flat_map<QString, int> _modifyRequests;
 
 	MessageDataRequests _messageDataRequests;
 	QMap<ChannelData*, MessageDataRequests> _channelMessageDataRequests;
@@ -710,10 +719,6 @@ private:
 		not_null<UserData*>>;
 	base::flat_map<KickRequest, mtpRequestId> _kickRequests;
 
-	base::flat_map<
-		not_null<PeerData*>,
-		mtpRequestId> _defaultRestrictionsRequests;
-
 	base::flat_set<not_null<ChannelData*>> _selfParticipantRequests;
 
 	base::flat_map<
@@ -794,7 +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

@@ -40,13 +40,16 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "apiwrap.h"
 #include "numbers.h"
 #include "observer_peer.h"
-#include "auth_session.h"
+#include "main/main_session.h"
 #include "styles/style_overview.h"
 #include "styles/style_mediaview.h"
 #include "styles/style_chat_helpers.h"
 #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];
 	};
@@ -102,50 +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;
-	}
-
-	void addSavedGif(DocumentData *doc) {
-		auto &saved = Auth().data().savedGifsRef();
-		int32 index = saved.indexOf(doc);
-		if (index) {
-			if (index > 0) saved.remove(index);
-			saved.push_front(doc);
-			if (saved.size() > Global::SavedGifsLimit()) saved.pop_back();
-			Local::writeSavedGifs();
-
-			Auth().data().notifySavedGifsUpdated();
-			Auth().data().setLastSavedGifsUpdate(0);
-			Auth().api().updateStickers();
-		}
-	}
-
-	void checkSavedGif(HistoryItem *item) {
-		if (!item->Has<HistoryMessageForwarded>() && (item->out() || item->history()->peer == Auth().user())) {
-			if (const auto media = item->media()) {
-				if (const auto document = media->document()) {
-					if (document->isGifv()) {
-						addSavedGif(document);
-					}
-				}
-			}
-		}
-	}
-
-	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);
 
@@ -179,14 +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);
@@ -245,16 +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;
@@ -334,16 +273,11 @@ namespace App {
 		mousedItem(nullptr);
 	}
 
-	const style::font &monofont() {
-		return ::monofont;
-	}
-
 	void quit() {
 		if (quitting()) {
 			return;
-		} else if (AuthSession::Exists()
-			&& Auth().data().exportInProgress()) {
-			Auth().data().stopExportWithConfirmation([] { App::quit(); });
+		} else if (Core::IsAppLaunched()
+			&& Core::App().exportPreventsQuit()) {
 			return;
 		}
 		setLaunchState(QuitRequested);
@@ -493,15 +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,
 
@@ -60,15 +67,8 @@ enum RoundCorners {
 };
 
 namespace App {
-	MainWindow *wnd();
-	MainWidget *main();
-
 	QString formatPhone(QString phone);
 
-	void addSavedGif(DocumentData *doc);
-	void checkSavedGif(HistoryItem *item);
-	[[nodiscard]] QString peerName(const PeerData *peer, bool forDialogs = false);
-
 	void hoveredItem(HistoryView::Element *item);
 	HistoryView::Element *hoveredItem();
 	void pressedItem(HistoryView::Element *item);
@@ -81,8 +81,6 @@ namespace App {
 	HistoryView::Element *mousedItem();
 	void clearMousedItems();
 
-	const style::font &monofont();
-
 	void initMedia();
 	void deinitMedia();
 
@@ -106,7 +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

@@ -7,6 +7,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
+#include <QtCore/QLatin1String>
+
 namespace base {
 
 template <typename Type>
@@ -30,6 +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>
@@ -68,6 +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

@@ -0,0 +1,62 @@
+/*
+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/QEvent>
+#include <QtCore/QCoreApplication>
+
+#include "base/basic_types.h"
+
+namespace base {
+
+class InvokeQueuedEvent : public QEvent {
+public:
+	static constexpr auto kType = QEvent::Type(60666);
+
+	explicit InvokeQueuedEvent(FnMut<void()> &&method)
+	: QEvent(kType)
+	, _method(std::move(method)) {
+	}
+
+	void invoke() {
+		_method();
+	}
+
+private:
+	FnMut<void()> _method;
+
+};
+
+} // namespace base
+
+template <typename Lambda>
+inline void InvokeQueued(const QObject *context, Lambda &&lambda) {
+	QCoreApplication::postEvent(
+		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

@@ -19,6 +19,7 @@ extern "C" {
 #include <openssl/modes.h>
 #include <openssl/crypto.h>
 #include <openssl/evp.h>
+#include <openssl/hmac.h>
 } // extern "C"
 
 #ifdef small
@@ -56,19 +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() {
@@ -78,64 +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,
@@ -148,9 +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,
@@ -163,9 +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,
@@ -178,23 +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) {
@@ -203,27 +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 {};
 		}
@@ -236,73 +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;
 
 };
@@ -434,6 +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,
@@ -445,6 +546,24 @@ inline bytes::vector Pbkdf2Sha512(
 		EVP_sha512());
 }
 
+inline bytes::vector HmacSha256(
+		bytes::const_span key,
+		bytes::const_span data) {
+	auto result = bytes::vector(kSha256Size);
+	auto length = (unsigned int)kSha256Size;
+
+	HMAC(
+		EVP_sha256(),
+		key.data(),
+		key.size(),
+		reinterpret_cast<const unsigned char*>(data.data()),
+		data.size(),
+		reinterpret_cast<unsigned char*>(result.data()),
+		&length);
+
+	return result;
+}
+
 } // namespace openssl
 
 namespace bytes {

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

@@ -0,0 +1,174 @@
+/*
+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/unixtime.h"
+
+#include <QDateTime>
+#include <QReadWriteLock>
+
+#ifdef Q_OS_WIN
+#include <windows.h>
+#elif defined Q_OS_MAC
+#include <mach/mach_time.h>
+#else
+#include <time.h>
+#endif
+
+namespace base {
+namespace unixtime {
+namespace {
+
+std::atomic<bool> ValueUpdated/* = false*/;
+std::atomic<TimeId> ValueShift/* = 0*/;
+std::atomic<bool> HttpValueValid/* = false*/;
+std::atomic<TimeId> HttpValueShift/* = 0*/;
+
+class MsgIdManager {
+public:
+	MsgIdManager();
+
+	void update();
+	[[nodiscard]] uint64 next();
+
+private:
+	void initialize();
+
+	QReadWriteLock _lock;
+	uint64 _startId = 0;
+	std::atomic<uint32> _incrementedPart = 0;
+	uint64 _startCounter = 0;
+	uint64 _randomPart = 0;
+	float64 _multiplier = 0.;
+
+};
+
+MsgIdManager GlobalMsgIdManager;
+
+[[nodiscard]] float64 GetMultiplier() {
+	// 0xFFFF0000 instead of 0x100000000 to make msgId grow slightly slower,
+	// than unixtime and we had time to reconfigure.
+
+#ifdef Q_OS_WIN
+	LARGE_INTEGER li;
+	QueryPerformanceFrequency(&li);
+	return float64(0xFFFF0000L) / float64(li.QuadPart);
+#elif defined Q_OS_MAC // Q_OS_WIN
+	mach_timebase_info_data_t tb = { 0, 0 };
+	mach_timebase_info(&tb);
+	const auto frequency = (float64(tb.numer) / tb.denom) / 1000000.;
+	return frequency * (float64(0xFFFF0000L) / 1000.);
+#else // Q_OS_MAC || Q_OS_WIN
+	return float64(0xFFFF0000L) / 1000000000.;
+#endif // Q_OS_MAC || Q_OS_WIN
+}
+
+[[nodiscard]] uint64 GetCounter() {
+#ifdef Q_OS_WIN
+	LARGE_INTEGER li;
+	QueryPerformanceCounter(&li);
+	return li.QuadPart;
+#elif defined Q_OS_MAC // Q_OS_WIN
+	return mach_absolute_time();
+#else // Q_OS_MAC || Q_OS_WIN
+	timespec ts;
+	clock_gettime(CLOCK_MONOTONIC, &ts);
+	return 1000000000 * uint64(ts.tv_sec) + uint64(ts.tv_nsec);
+#endif // Q_OS_MAC || Q_OS_WIN
+}
+
+MsgIdManager::MsgIdManager() {
+	auto generator = std::mt19937(std::random_device()());
+	auto distribution = std::uniform_int_distribution<uint32>();
+	_randomPart = distribution(generator);
+	_multiplier = GetMultiplier();
+	initialize();
+
+	srand(uint32(_startCounter & 0xFFFFFFFFUL));
+}
+
+void MsgIdManager::update() {
+	QWriteLocker lock(&_lock);
+	initialize();
+}
+
+void MsgIdManager::initialize() {
+	_startCounter = GetCounter();
+	_startId = ((uint64(uint32(now()))) << 32) | _randomPart;
+}
+
+uint64 MsgIdManager::next() {
+	const auto counter = GetCounter();
+
+	QReadLocker lock(&_lock);
+	const auto delta = (counter - _startCounter);
+	const auto result = _startId + (uint64)floor(delta * _multiplier);
+	lock.unlock();
+
+	return (result & ~0x03L) + (_incrementedPart += 4);
+}
+
+TimeId local() {
+	return (TimeId)time(nullptr);
+}
+
+} // namespace
+
+TimeId now() {
+	return local() + ValueShift.load();
+}
+
+void update(TimeId now, bool force) {
+	if (force) {
+		ValueUpdated = true;
+	} else {
+		auto expected = false;
+		if (!ValueUpdated.compare_exchange_strong(expected, true)) {
+			return;
+		}
+	}
+	const auto shift = now + 1 - local();
+	ValueShift = shift;
+
+	HttpValueShift = 0;
+	HttpValueValid = false;
+
+	GlobalMsgIdManager.update();
+}
+
+QDateTime parse(TimeId value) {
+	return (value > 0)
+		? QDateTime::fromTime_t(value - ValueShift)
+		: QDateTime();
+}
+
+TimeId serialize(const QDateTime &date) {
+	return date.isNull() ? TimeId(0) : date.toTime_t() + ValueShift;
+}
+
+bool http_valid() {
+	return HttpValueValid;
+}
+
+TimeId http_now() {
+	return now() + HttpValueShift;
+}
+
+void http_update(TimeId now) {
+	HttpValueShift = now - base::unixtime::now();
+	HttpValueValid = true;
+}
+
+void http_invalidate() {
+	HttpValueValid = false;
+}
+
+uint64 mtproto_msg_id() {
+	return GlobalMsgIdManager.next();
+}
+
+} // namespace unixtime
+} // namespace base

Telegram/SourceFiles/base/unixtime.h

@@ -0,0 +1,33 @@
+/*
+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"
+
+class QDateTime;
+
+namespace base {
+namespace unixtime {
+
+// All functions are thread-safe.
+
+[[nodiscard]] TimeId now();
+void update(TimeId now, bool force = false);
+
+[[nodiscard]] QDateTime parse(TimeId value);
+[[nodiscard]] TimeId serialize(const QDateTime &date);
+
+[[nodiscard]] bool http_valid();
+[[nodiscard]] TimeId http_now();
+void http_update(TimeId now);
+void http_invalidate();
+
+[[nodiscard]] uint64 mtproto_msg_id();
+
+} // namespace unixtime
+} // namespace base

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

@@ -13,6 +13,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "mtproto/sender.h"
 #include "base/flat_set.h"
 #include "boxes/confirm_box.h"
+#include "boxes/confirm_phone_box.h" // ExtractPhonePrefix.
 #include "boxes/photo_crop_box.h"
 #include "boxes/peer_list_controllers.h"
 #include "boxes/peers/add_participants_box.h"
@@ -21,14 +22,16 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "core/file_utilities.h"
 #include "core/application.h"
 #include "chat_helpers/emoji_suggestions_widget.h"
+#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"
@@ -37,11 +40,16 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "mainwindow.h"
 #include "apiwrap.h"
 #include "observer_peer.h"
-#include "auth_session.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;
 
@@ -56,6 +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() {
@@ -83,7 +133,7 @@ void ShowAddParticipantsError(
 	if (error == qstr("USER_BOT")) {
 		const auto channel = chat->asChannel();
 		if ((users.size() == 1)
-			&& (users.front()->botInfo != nullptr)
+			&& users.front()->isBot()
 			&& channel
 			&& !channel->isMegagroup()
 			&& channel->canAddAdmins()) {
@@ -103,7 +153,8 @@ void ShowAddParticipantsError(
 				auto box = Box<EditAdminBox>(
 					channel,
 					user,
-					MTP_chatAdminRights(MTP_flags(0)));
+					MTP_chatAdminRights(MTP_flags(0)),
+					QString());
 				box->setSaveCallback(saveCallback);
 				*weak = Ui::show(std::move(box));
 			};
@@ -117,9 +168,7 @@ void ShowAddParticipantsError(
 			return;
 		}
 	}
-	const auto bot = ranges::find_if(users, [](not_null<UserData*> user) {
-		return user->botInfo != nullptr;
-	});
+	const auto bot = ranges::find_if(users, &UserData::isBot);
 	const auto hasBot = (bot != end(users));
 	const auto text = [&] {
 		if (error == qstr("USER_BOT")) {
@@ -155,7 +204,10 @@ void ShowAddParticipantsError(
 
 class RevokePublicLinkBox::Inner : public TWidget, private MTP::Sender {
 public:
-	Inner(QWidget *parent, Fn<void()> revokeCallback);
+	Inner(
+		QWidget *parent,
+		not_null<Main::Session*> session,
+		Fn<void()> revokeCallback);
 
 protected:
 	void mouseMoveEvent(QMouseEvent *e) override;
@@ -174,6 +226,8 @@ private:
 	void paintChat(Painter &p, const ChatRow &row, bool selected) const;
 	void updateSelected();
 
+	const not_null<Main::Session*> _session;
+
 	PeerData *_selected = nullptr;
 	PeerData *_pressed = nullptr;
 
@@ -189,38 +243,42 @@ private:
 
 };
 
-AddContactBox::AddContactBox(QWidget*, QString fname, QString lname, QString phone)
-: _first(this, st::defaultInputField, tr::lng_signup_firstname(), fname)
+AddContactBox::AddContactBox(
+	QWidget*,
+	not_null<Main::Session*> session)
+: AddContactBox(nullptr, session, QString(), QString(), QString()) {
+}
+
+AddContactBox::AddContactBox(
+	QWidget*,
+	not_null<Main::Session*> session,
+	QString fname,
+	QString lname,
+	QString phone)
+: _session(session)
+, _first(this, st::defaultInputField, tr::lng_signup_firstname(), fname)
 , _last(this, st::defaultInputField, tr::lng_signup_lastname(), lname)
-, _phone(this, st::defaultInputField, tr::lng_contact_phone(), phone)
+, _phone(
+	this,
+	st::defaultInputField,
+	tr::lng_contact_phone(),
+	ExtractPhonePrefix(session->user()->phone()),
+	phone)
 , _invertOrder(langFirstNameGoesSecond()) {
 	if (!phone.isEmpty()) {
 		_phone->setDisabled(true);
 	}
 }
 
-AddContactBox::AddContactBox(QWidget*, UserData *user)
-: _user(user)
-, _first(this, st::defaultInputField, tr::lng_signup_firstname(), user->firstName)
-, _last(this, st::defaultInputField, tr::lng_signup_lastname(), user->lastName)
-, _phone(this, st::defaultInputField, tr::lng_contact_phone(), user->phone())
-, _invertOrder(langFirstNameGoesSecond()) {
-	_phone->setDisabled(true);
-}
-
 void AddContactBox::prepare() {
 	if (_invertOrder) {
 		setTabOrder(_last, _first);
 	}
-	if (_user) {
-		setTitle(tr::lng_edit_contact_title());
-	} else {
-		const auto readyToAdd = !_phone->getLastText().isEmpty()
-			&& (!_first->getLastText().isEmpty() || !_last->getLastText().isEmpty());
-		setTitle(readyToAdd
-			? tr::lng_confirm_contact_data()
-			: tr::lng_enter_contact_data());
-	}
+	const auto readyToAdd = !_phone->getLastText().isEmpty()
+		&& (!_first->getLastText().isEmpty() || !_last->getLastText().isEmpty());
+	setTitle(readyToAdd
+		? tr::lng_confirm_contact_data()
+		: tr::lng_enter_contact_data());
 	updateButtons();
 
 	connect(_first, &Ui::InputField::submitted, [=] { submit(); });
@@ -294,7 +352,9 @@ void AddContactBox::submit() {
 }
 
 void AddContactBox::save() {
-	if (_addRequest) return;
+	if (_addRequest) {
+		return;
+	}
 
 	auto firstName = TextUtilities::PrepareForSending(_first->getLastText());
 	auto lastName = TextUtilities::PrepareForSending(_last->getLastText());
@@ -308,7 +368,7 @@ void AddContactBox::save() {
 			_first->showError();
 		}
 		return;
-	} else if (!_user && !IsValidPhone(phone)) {
+	} else if (!IsValidPhone(phone)) {
 		_phone->setFocus();
 		_phone->showError();
 		return;
@@ -318,70 +378,44 @@ void AddContactBox::save() {
 		lastName = QString();
 	}
 	_sentName = firstName;
-	if (_user) {
-		_contactId = rand_value<uint64>();
-		QVector<MTPInputContact> v(1, MTP_inputPhoneContact(MTP_long(_contactId), MTP_string(_user->phone()), MTP_string(firstName), MTP_string(lastName)));
-		_addRequest = MTP::send(MTPcontacts_ImportContacts(MTP_vector<MTPInputContact>(v)), rpcDone(&AddContactBox::onSaveUserDone), rpcFail(&AddContactBox::onSaveUserFail));
-	} else {
-		_contactId = rand_value<uint64>();
-		QVector<MTPInputContact> v(1, MTP_inputPhoneContact(MTP_long(_contactId), MTP_string(phone), MTP_string(firstName), MTP_string(lastName)));
-		_addRequest = MTP::send(MTPcontacts_ImportContacts(MTP_vector<MTPInputContact>(v)), rpcDone(&AddContactBox::onImportDone));
-	}
-}
+	_contactId = rand_value<uint64>();
+	_addRequest = _session->api().request(MTPcontacts_ImportContacts(
+		MTP_vector<MTPInputContact>(
+			1,
+			MTP_inputPhoneContact(
+				MTP_long(_contactId),
+				MTP_string(phone),
+				MTP_string(firstName),
+				MTP_string(lastName)))
+	)).done(crl::guard(this, [=](
+			const MTPcontacts_ImportedContacts &result) {
+		result.match([&](const MTPDcontacts_importedContacts &data) {
+			_session->data().processUsers(data.vusers());
 
-bool AddContactBox::onSaveUserFail(const RPCError &error) {
-	if (MTP::isDefaultHandledError(error)) return false;
-
-	_addRequest = 0;
-	const auto &err = error.type();
-	const auto firstName = _first->getLastText().trimmed();
-	const auto lastName = _last->getLastText().trimmed();
-	if (err == "CHAT_TITLE_NOT_MODIFIED") {
-		_user->setName(firstName, lastName, _user->nameOrPhone, _user->username);
-		closeBox();
-		return true;
-	} else if (err == "NO_CHAT_TITLE") {
-		_first->setFocus();
-		_first->showError();
-		return true;
-	}
-	_first->setFocus();
-	return true;
-}
-
-void AddContactBox::onImportDone(const MTPcontacts_ImportedContacts &res) {
-	if (!isBoxShown() || !App::main()) return;
-
-	const auto &d = res.c_contacts_importedContacts();
-	Auth().data().processUsers(d.vusers);
-
-	const auto &v = d.vimported.v;
-	const auto user = [&]() -> UserData* {
-		if (!v.isEmpty()) {
-			auto &c = v.front().c_importedContact();
-			if (c.vclient_id.v == _contactId) {
-				return Auth().data().userLoaded(c.vuser_id.v);
+			const auto extractUser = [&](const MTPImportedContact &data) {
+				return data.match([&](const MTPDimportedContact &data) {
+					return (data.vclient_id().v == _contactId)
+						? _session->data().userLoaded(data.vuser_id().v)
+						: nullptr;
+				});
+			};
+			const auto &list = data.vimported().v;
+			const auto user = list.isEmpty()
+				? nullptr
+				: extractUser(list.front());
+			if (user) {
+				if (user->isContact() || user->session().supportMode()) {
+					Ui::showPeerHistory(user, ShowAtTheEndMsgId);
+				}
+				Ui::hideLayer();
+			} else if (isBoxShown()) {
+				hideChildren();
+				_retrying = true;
+				updateButtons();
+				update();
 			}
-		}
-		return nullptr;
-	}();
-	if (user) {
-		if (user->isContact() || user->session().supportMode()) {
-			Ui::showPeerHistory(user, ShowAtTheEndMsgId);
-		}
-		Ui::hideLayer();
-	} else {
-		hideChildren();
-		_retrying = true;
-		updateButtons();
-		update();
-	}
-}
-
-void AddContactBox::onSaveUserDone(const MTPcontacts_ImportedContacts &res) {
-	auto &d = res.c_contacts_importedContacts();
-	Auth().data().processUsers(d.vusers);
-	closeBox();
+		});
+	})).send();
 }
 
 void AddContactBox::retry() {
@@ -403,19 +437,19 @@ void AddContactBox::updateButtons() {
 	if (_retrying) {
 		addButton(tr::lng_try_other_contact(), [=] { retry(); });
 	} else {
-		addButton(
-			_user ? tr::lng_settings_save() : tr::lng_add_contact(),
-			[=] { save(); });
+		addButton(tr::lng_add_contact(), [=] { save(); });
 		addButton(tr::lng_cancel(), [=] { closeBox(); });
 	}
 }
 
 GroupInfoBox::GroupInfoBox(
 	QWidget*,
+	not_null<Window::SessionNavigation*> navigation,
 	Type type,
 	const QString &title,
 	Fn<void(not_null<ChannelData*>)> channelDone)
-: _type(type)
+: _navigation(navigation)
+, _type(type)
 , _initialTitle(title)
 , _channelDone(std::move(channelDone)) {
 }
@@ -439,10 +473,12 @@ void GroupInfoBox::prepare() {
 		_initialTitle);
 	_title->setMaxLength(kMaxGroupChannelTitle);
 	_title->setInstantReplaces(Ui::InstantReplaces::Default());
-	_title ->setInstantReplacesEnabled(Global::ReplaceEmojiValue());
+	_title->setInstantReplacesEnabled(
+		_navigation->session().settings().replaceEmojiValue());
 	Ui::Emoji::SuggestionsController::Init(
 		getDelegate()->outerContainer(),
-		_title);
+		_title,
+		&_navigation->session());
 
 	if (_type != Type::Group) {
 		_description.create(
@@ -454,7 +490,7 @@ void GroupInfoBox::prepare() {
 		_description->setMaxLength(kMaxChannelDescription);
 		_description->setInstantReplaces(Ui::InstantReplaces::Default());
 		_description->setInstantReplacesEnabled(
-			Global::ReplaceEmojiValue());
+			_navigation->session().settings().replaceEmojiValue());
 
 		connect(_description, &Ui::InputField::resized, [=] { descriptionResized(); });
 		connect(_description, &Ui::InputField::submitted, [=] { submit(); });
@@ -462,7 +498,8 @@ void GroupInfoBox::prepare() {
 
 		Ui::Emoji::SuggestionsController::Init(
 			getDelegate()->outerContainer(),
-			_description);
+			_description,
+			&_navigation->session());
 	}
 
 	connect(_title, &Ui::InputField::submitted, [=] { submitName(); });
@@ -536,47 +573,14 @@ void GroupInfoBox::createGroup(
 		MTP_string(title)
 	)).done([=](const MTPUpdates &result) {
 		auto image = _photo->takeResultImage();
-		Ui::hideLayer();
+		const auto navigation = _navigation;
 
-		Auth().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 Auth().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();
@@ -615,7 +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) {
@@ -630,7 +634,7 @@ void GroupInfoBox::submit() {
 		};
 		Ui::show(
 			Box<PeerListBox>(
-				std::make_unique<AddParticipantsBoxController>(),
+				std::make_unique<AddParticipantsBoxController>(_navigation),
 				std::move(initBox)),
 			LayerOption::KeepOther);
 	}
@@ -647,15 +651,15 @@ void GroupInfoBox::createChannel(const QString &title, const QString &descriptio
 		MTPInputGeoPoint(), // geo_point
 		MTPstring() // address
 	)).done([=](const MTPUpdates &result) {
-		Auth().api().applyUpdates(result);
+		_navigation->session().api().applyUpdates(result);
 
 		const 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;
+					return &updates->c_updates().vchats().v;
 				case mtpc_updatesCombined:
-					return &updates->c_updatesCombined().vchats.v;
+					return &updates->c_updatesCombined().vchats().v;
 				}
 				LOG(("API Error: unexpected update cons %1 (GroupInfoBox::createChannel)").arg(updates->type()));
 				return std::nullopt;
@@ -665,8 +669,9 @@ void GroupInfoBox::createChannel(const QString &title, const QString &descriptio
 					? base::make_optional(chats)
 					: std::nullopt;
 			}
-			| [](auto chats) {
-				return Auth().data().channel(chats->front().c_channel().vid.v);
+			| [&](auto chats) {
+				return _navigation->session().data().channel(
+					chats->front().c_channel().vid().v);
 			}
 			| [&](not_null<ChannelData*> channel) {
 				auto image = _photo->takeResultImage();
@@ -681,7 +686,7 @@ void GroupInfoBox::createChannel(const QString &title, const QString &descriptio
 				)).done([=](const MTPExportedChatInvite &result) {
 					_creationRequestId = 0;
 					if (result.type() == mtpc_chatInviteExported) {
-						auto link = qs(result.c_chatInviteExported().vlink);
+						auto link = qs(result.c_chatInviteExported().vlink());
 						_createdChannel->setInviteLink(link);
 					}
 					if (_channelDone) {
@@ -690,7 +695,9 @@ void GroupInfoBox::createChannel(const QString &title, const QString &descriptio
 						closeBox();
 						callback(argument);
 					} else {
-						Ui::show(Box<SetupChannelBox>(_createdChannel));
+						Ui::show(Box<SetupChannelBox>(
+							_navigation,
+							_createdChannel));
 					}
 				}).send();
 			};
@@ -730,10 +737,16 @@ void GroupInfoBox::updateMaxHeight() {
 	setDimensions(st::boxWideWidth, newHeight);
 }
 
-SetupChannelBox::SetupChannelBox(QWidget*, ChannelData *channel, bool existing)
-: _channel(channel)
+SetupChannelBox::SetupChannelBox(
+	QWidget*,
+	not_null<Window::SessionNavigation*> navigation,
+	not_null<ChannelData*> channel,
+	bool existing)
+: _navigation(navigation)
+, _channel(channel)
 , _existing(existing)
-, _privacyGroup(std::make_shared<Ui::RadioenumGroup<Privacy>>(Privacy::Public))
+, _privacyGroup(
+	std::make_shared<Ui::RadioenumGroup<Privacy>>(Privacy::Public))
 , _public(
 	this,
 	_privacyGroup,
@@ -750,7 +763,12 @@ SetupChannelBox::SetupChannelBox(QWidget*, ChannelData *channel, bool existing)
 		? tr::lng_create_private_group_title
 		: tr::lng_create_private_channel_title)(tr::now),
 	st::defaultBoxCheckbox)
-, _aboutPublicWidth(st::boxWideWidth - st::boxPadding.left() - st::boxButtonPadding.right() - st::newGroupPadding.left() - st::defaultRadio.diameter - st::defaultBoxCheckbox.textPosition.x())
+, _aboutPublicWidth(st::boxWideWidth
+	- st::boxPadding.left()
+	- st::boxButtonPadding.right()
+	- st::newGroupPadding.left()
+	- st::defaultRadio.diameter
+	- st::defaultBoxCheckbox.textPosition.x())
 , _aboutPublic(
 	st::defaultTextStyle,
 	(channel->isMegagroup()
@@ -800,7 +818,7 @@ void SetupChannelBox::prepare() {
 
 	boxClosing() | rpl::start_with_next([=] {
 		if (!_existing) {
-			AddParticipantsBoxController::Start(_channel);
+			AddParticipantsBoxController::Start(_navigation, _channel);
 		}
 	}, lifetime());
 
@@ -1004,11 +1022,16 @@ void SetupChannelBox::privacyChanged(Privacy value) {
 	if (value == Privacy::Public) {
 		if (_tooMuchUsernames) {
 			_privacyGroup->setValue(Privacy::Private);
-			Ui::show(Box<RevokePublicLinkBox>(crl::guard(this, [this] {
+			const auto callback = crl::guard(this, [=] {
 				_tooMuchUsernames = false;
 				_privacyGroup->setValue(Privacy::Public);
 				check();
-			})), LayerOption::KeepOther);
+			});
+			Ui::show(
+				Box<RevokePublicLinkBox>(
+					&_channel->session(),
+					callback),
+				LayerOption::KeepOther);
 			return;
 		}
 		_link->show();
@@ -1097,23 +1120,31 @@ bool SetupChannelBox::onCheckFail(const RPCError &error) {
 }
 
 void SetupChannelBox::showRevokePublicLinkBoxForEdit() {
-	closeBox();
-	Ui::show(Box<RevokePublicLinkBox>([channel = _channel, existing = _existing]() {
+	const auto channel = _channel;
+	const auto existing = _existing;
+	const auto navigation = _navigation;
+	const auto callback = [=] {
 		Ui::show(
-			Box<SetupChannelBox>(channel, existing),
+			Box<SetupChannelBox>(navigation, channel, existing),
 			LayerOption::KeepOther);
-	}), LayerOption::KeepOther);
+	};
+	closeBox();
+	Ui::show(
+		Box<RevokePublicLinkBox>(
+			&channel->session(),
+			callback),
+		LayerOption::KeepOther);
 }
 
 bool SetupChannelBox::onFirstCheckFail(const RPCError &error) {
 	if (MTP::isDefaultHandledError(error)) return false;
 
 	_checkRequestId = 0;
-	QString err(error.type());
-	if (err == qstr("CHANNEL_PUBLIC_GROUP_NA")) {
+	const auto &type = error.type();
+	if (type == qstr("CHANNEL_PUBLIC_GROUP_NA")) {
 		Ui::hideLayer();
 		return true;
-	} else if (err == qstr("CHANNELS_ADMIN_PUBLIC_TOO_MUCH")) {
+	} else if (type == qstr("CHANNELS_ADMIN_PUBLIC_TOO_MUCH")) {
 		if (_existing) {
 			showRevokePublicLinkBoxForEdit();
 		} else {
@@ -1148,8 +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(); });
@@ -1249,7 +1280,12 @@ bool EditNameBox::saveSelfFail(const RPCError &error) {
 	return true;
 }
 
-RevokePublicLinkBox::Inner::Inner(QWidget *parent, Fn<void()> revokeCallback) : TWidget(parent)
+RevokePublicLinkBox::Inner::Inner(
+	QWidget *parent,
+	not_null<Main::Session*> session,
+	Fn<void()> revokeCallback)
+: TWidget(parent)
+, _session(session)
 , _rowHeight(st::contactsPadding.top() + st::contactsPhotoSize + st::contactsPadding.bottom())
 , _revokeWidth(st::normalFont->width(tr::lng_channels_too_much_public_revoke(tr::now)))
 , _revokeCallback(std::move(revokeCallback)) {
@@ -1261,10 +1297,10 @@ RevokePublicLinkBox::Inner::Inner(QWidget *parent, Fn<void()> revokeCallback) :
 		MTP_flags(0)
 	)).done([=](const MTPmessages_Chats &result) {
 		const auto &chats = result.match([](const auto &data) {
-			return data.vchats.v;
+			return data.vchats().v;
 		});
 		for (const auto &chat : chats) {
-			if (const auto peer = Auth().data().processChat(chat)) {
+			if (const auto peer = _session->data().processChat(chat)) {
 				if (!peer->isChannel() || peer->userName().isEmpty()) {
 					continue;
 				}
@@ -1290,8 +1326,10 @@ RevokePublicLinkBox::Inner::Inner(QWidget *parent, Fn<void()> revokeCallback) :
 
 RevokePublicLinkBox::RevokePublicLinkBox(
 	QWidget*,
+	not_null<Main::Session*> session,
 	Fn<void()> revokeCallback)
-: _aboutRevoke(
+: _session(session)
+, _aboutRevoke(
 	this,
 	tr::lng_channels_too_much_public_about(tr::now),
 	st::aboutRevokePublicLabel)
@@ -1300,7 +1338,7 @@ RevokePublicLinkBox::RevokePublicLinkBox(
 
 void RevokePublicLinkBox::prepare() {
 	_innerTop = st::boxPadding.top() + _aboutRevoke->height() + st::boxPadding.top();
-	_inner = setInnerWidget(object_ptr<Inner>(this, [=] {
+	_inner = setInnerWidget(object_ptr<Inner>(this, _session, [=] {
 		const auto callback = _revokeCallback;
 		closeBox();
 		if (callback) {
@@ -1310,7 +1348,7 @@ void RevokePublicLinkBox::prepare() {
 
 	addButton(tr::lng_cancel(), [=] { closeBox(); });
 
-	subscribe(Auth().downloaderTaskFinished(), [=] { update(); });
+	subscribe(_session->downloaderTaskFinished(), [=] { update(); });
 
 	_inner->resizeToWidth(st::boxWideWidth);
 	setDimensions(st::boxWideWidth, _innerTop + _inner->height());
@@ -1324,8 +1362,8 @@ void RevokePublicLinkBox::Inner::updateSelected() {
 	auto point = mapFromGlobal(QCursor::pos());
 	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());
+	for (const auto &row : _rows) {
+		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;
@@ -1364,7 +1402,7 @@ void RevokePublicLinkBox::Inner::mouseReleaseEvent(QMouseEvent *e) {
 			if (_revokeRequestId) return;
 			_revokeRequestId = request(MTPchannels_UpdateUsername(
 				pressed->asChannel()->inputChannel,
-				MTP_string("")
+				MTP_string()
 			)).done([=](const MTPBool &result) {
 				const auto callback = _revokeCallback;
 				if (_weakRevokeConfirmBox) {

Telegram/SourceFiles/boxes/add_contact_box.h

@@ -11,12 +11,18 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "mtproto/sender.h"
 #include "styles/style_widgets.h"
 
+#include <QtCore/QTimer>
+
 class ConfirmBox;
 class PeerListBox;
 
-constexpr auto kMaxBioLength = 70;
+namespace Window {
+class SessionNavigation;
+} // namespace Window
 
-style::InputField CreateBioFieldStyle();
+namespace Main {
+class Session;
+} // namespace Main
 
 namespace Ui {
 class FlatLabel;
@@ -32,21 +38,31 @@ class LinkButton;
 class UserpicButton;
 } // namespace Ui
 
+constexpr auto kMaxBioLength = 70;
+
 enum class PeerFloodType {
 	Send,
 	InviteGroup,
 	InviteChannel,
 };
+
+style::InputField CreateBioFieldStyle();
+
 QString PeerFloodErrorText(PeerFloodType type);
 void ShowAddParticipantsError(
 	const QString &error,
 	not_null<PeerData*> chat,
 	const std::vector<not_null<UserData*>> &users);
 
-class AddContactBox : public BoxContent, public RPCSender {
+class AddContactBox : public BoxContent {
 public:
-	AddContactBox(QWidget*, QString fname = QString(), QString lname = QString(), QString phone = QString());
-	AddContactBox(QWidget*, UserData *user);
+	AddContactBox(QWidget*, not_null<Main::Session*> session);
+	AddContactBox(
+		QWidget*,
+		not_null<Main::Session*> session,
+		QString fname,
+		QString lname,
+		QString phone);
 
 protected:
 	void prepare() override;
@@ -61,12 +77,8 @@ private:
 	void retry();
 	void save();
 	void updateButtons();
-	void onImportDone(const MTPcontacts_ImportedContacts &res);
 
-	void onSaveUserDone(const MTPcontacts_ImportedContacts &res);
-	bool onSaveUserFail(const RPCError &e);
-
-	UserData *_user = nullptr;
+	const not_null<Main::Session*> _session;
 
 	object_ptr<Ui::InputField> _first;
 	object_ptr<Ui::InputField> _last;
@@ -91,6 +103,7 @@ public:
 	};
 	GroupInfoBox(
 		QWidget*,
+		not_null<Window::SessionNavigation*> navigation,
 		Type type,
 		const QString &title = QString(),
 		Fn<void(not_null<ChannelData*>)> channelDone = nullptr);
@@ -110,6 +123,8 @@ private:
 	void descriptionResized();
 	void updateMaxHeight();
 
+	const not_null<Window::SessionNavigation*> _navigation;
+
 	Type _type = Type::Group;
 	QString _initialTitle;
 	Fn<void(not_null<ChannelData*>)> _channelDone;
@@ -124,9 +139,16 @@ private:
 
 };
 
-class SetupChannelBox : public BoxContent, public RPCSender {
+class SetupChannelBox
+	: public BoxContent
+	, public RPCSender
+	, private base::Subscriber {
 public:
-	SetupChannelBox(QWidget*, ChannelData *channel, bool existing = false);
+	SetupChannelBox(
+		QWidget*,
+		not_null<Window::SessionNavigation*> navigation,
+		not_null<ChannelData*> channel,
+		bool existing = false);
 
 	void setInnerFocus() override;
 
@@ -162,7 +184,9 @@ private:
 
 	void showRevokePublicLinkBoxForEdit();
 
-	ChannelData *_channel = nullptr;
+	const not_null<Window::SessionNavigation*> _navigation;
+	const not_null<ChannelData*> _channel;
+
 	bool _existing = false;
 
 	std::shared_ptr<Ui::RadioenumGroup<Privacy>> _privacyGroup;
@@ -213,9 +237,15 @@ private:
 
 };
 
-class RevokePublicLinkBox : public BoxContent, public RPCSender {
+class RevokePublicLinkBox
+	: public BoxContent
+	, public RPCSender
+	, private base::Subscriber {
 public:
-	RevokePublicLinkBox(QWidget*, Fn<void()> revokeCallback);
+	RevokePublicLinkBox(
+		QWidget*,
+		not_null<Main::Session*> session,
+		Fn<void()> revokeCallback);
 
 protected:
 	void prepare() override;
@@ -223,6 +253,8 @@ protected:
 	void resizeEvent(QResizeEvent *e) override;
 
 private:
+	const not_null<Main::Session*> _session;
+
 	object_ptr<Ui::FlatLabel> _aboutRevoke;
 
 	class Inner;

Telegram/SourceFiles/boxes/auto_download_box.cpp

@@ -8,7 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/auto_download_box.h"
 
 #include "lang/lang_keys.h"
-#include "auth_session.h"
+#include "main/main_session.h"
 #include "data/data_session.h"
 #include "info/profile/info_profile_button.h"
 #include "ui/widgets/continuous_sliders.h"
@@ -29,8 +29,10 @@ constexpr auto kDefaultLimit = 10 * kMegabyte;
 
 AutoDownloadBox::AutoDownloadBox(
 	QWidget*,
+	not_null<Main::Session*> session,
 	Data::AutoDownload::Source source)
-: _source(source) {
+: _session(session)
+, _source(source) {
 }
 
 void AutoDownloadBox::prepare() {
@@ -45,7 +47,7 @@ void AutoDownloadBox::setupContent() {
 
 	setTitle(tr::lng_media_auto_title());
 
-	const auto settings = &Auth().settings().autoDownload();
+	const auto settings = &_session->settings().autoDownload();
 	const auto checked = [=](Source source, Type type) {
 		return (settings->bytesLimit(source, type) > 0);
 	};
@@ -166,11 +168,11 @@ void AutoDownloadBox::setupContent() {
 			Local::writeUserSettings();
 		}
 		if (allowMoreTypes.contains(Type::Photo)) {
-			Auth().data().photoLoadSettingsChanged();
+			_session->data().photoLoadSettingsChanged();
 		}
 		if (ranges::find_if(allowMoreTypes, _1 != Type::Photo)
 			!= allowMoreTypes.end()) {
-			Auth().data().documentLoadSettingsChanged();
+			_session->data().documentLoadSettingsChanged();
 		}
 		closeBox();
 	});

Telegram/SourceFiles/boxes/auto_download_box.h

@@ -9,6 +9,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "boxes/abstract_box.h"
 
+namespace Main {
+class Session;
+} // namespace Main
+
 namespace Data {
 namespace AutoDownload {
 enum class Source;
@@ -17,7 +21,10 @@ enum class Source;
 
 class AutoDownloadBox : public BoxContent {
 public:
-	AutoDownloadBox(QWidget*, Data::AutoDownload::Source source);
+	AutoDownloadBox(
+		QWidget*,
+		not_null<Main::Session*> session,
+		Data::AutoDownload::Source source);
 
 protected:
 	void prepare() override;
@@ -25,6 +32,8 @@ protected:
 private:
 	void setupContent();
 
+	const not_null<Main::Session*> _session;
+
 	Data::AutoDownload::Source _source;
 
 };

Telegram/SourceFiles/boxes/auto_lock_box.cpp

@@ -11,8 +11,13 @@ 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)
+: _session(session) {
+}
+
 void AutoLockBox::prepare() {
 	setTitle(tr::lng_passcode_autolock());
 
@@ -39,6 +44,6 @@ void AutoLockBox::durationChanged(int seconds) {
 	Local::writeUserSettings();
 	Global::RefLocalPasscodeChanged().notify();
 
-	Auth().checkAutoLock();
+	_session->checkAutoLock();
 	closeBox();
 }

Telegram/SourceFiles/boxes/auto_lock_box.h

@@ -9,14 +9,17 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "boxes/abstract_box.h"
 
+namespace Main {
+class Session;
+} // namespace Main
+
 namespace Ui {
 class Radiobutton;
 } // namespace Ui
 
 class AutoLockBox : public BoxContent {
 public:
-	AutoLockBox(QWidget*) {
-	}
+	AutoLockBox(QWidget*, not_null<Main::Session*> session);
 
 protected:
 	void prepare() override;
@@ -24,6 +27,8 @@ protected:
 private:
 	void durationChanged(int seconds);
 
+	const not_null<Main::Session*> _session;
+
 	std::vector<object_ptr<Ui::Radiobutton>> _options;
 
 };

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 "auth_session.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"
@@ -54,7 +57,9 @@ class BackgroundBox::Inner
 	, private MTP::Sender
 	, private base::Subscriber {
 public:
-	Inner(QWidget *parent);
+	Inner(
+		QWidget *parent,
+		not_null<Main::Session*> session);
 
 	rpl::producer<Data::WallPaper> chooseEvents() const;
 	rpl::producer<Data::WallPaper> removeRequests() const;
@@ -107,6 +112,8 @@ private:
 		int row) const;
 	void validatePaperThumbnail(const Paper &paper) const;
 
+	const not_null<Main::Session*> _session;
+
 	std::vector<Paper> _papers;
 
 	Selection _over;
@@ -118,7 +125,8 @@ private:
 
 };
 
-BackgroundBox::BackgroundBox(QWidget*) {
+BackgroundBox::BackgroundBox(QWidget*, not_null<Main::Session*> session)
+: _session(session) {
 }
 
 void BackgroundBox::prepare() {
@@ -128,11 +136,15 @@ void BackgroundBox::prepare() {
 
 	setDimensions(st::boxWideWidth, st::boxMaxListHeight);
 
-	_inner = setInnerWidget(object_ptr<Inner>(this), st::backgroundScroll);
+	_inner = setInnerWidget(
+		object_ptr<Inner>(this, _session),
+		st::backgroundScroll);
 
 	_inner->chooseEvents(
-	) | rpl::start_with_next([](const Data::WallPaper &paper) {
-		Ui::show(Box<BackgroundPreviewBox>(paper), LayerOption::KeepOther);
+	) | rpl::start_with_next([=](const Data::WallPaper &paper) {
+		Ui::show(
+			Box<BackgroundPreviewBox>(_session, paper),
+			LayerOption::KeepOther);
 	}, _inner->lifetime());
 
 	_inner->removeRequests(
@@ -143,15 +155,16 @@ void BackgroundBox::prepare() {
 
 void BackgroundBox::removePaper(const Data::WallPaper &paper) {
 	const auto box = std::make_shared<QPointer<BoxContent>>();
-	const auto remove = [=, weak = make_weak(this)]{
+	const auto session = _session;
+	const auto remove = [=, weak = Ui::MakeWeak(this)]{
 		if (*box) {
 			(*box)->closeBox();
 		}
 		if (weak) {
 			weak->_inner->removePaper(paper);
 		}
-		Auth().data().removeWallpaper(paper);
-		Auth().api().request(MTPaccount_SaveWallPaper(
+		session->data().removeWallpaper(paper);
+		session->api().request(MTPaccount_SaveWallPaper(
 			paper.mtpInput(),
 			MTP_bool(true),
 			paper.mtpSettings()
@@ -166,17 +179,21 @@ void BackgroundBox::removePaper(const Data::WallPaper &paper) {
 		LayerOption::KeepOther);
 }
 
-BackgroundBox::Inner::Inner(QWidget *parent) : RpWidget(parent)
+BackgroundBox::Inner::Inner(
+	QWidget *parent,
+	not_null<Main::Session*> session)
+: RpWidget(parent)
+, _session(session)
 , _check(std::make_unique<Ui::RoundCheckbox>(st::overviewCheck, [=] { update(); })) {
 	_check->setChecked(true, Ui::RoundCheckbox::SetStyle::Fast);
-	if (Auth().data().wallpapers().empty()) {
+	if (_session->data().wallpapers().empty()) {
 		resize(st::boxWideWidth, 2 * (st::backgroundSize.height() + st::backgroundPadding) + st::backgroundPadding);
 	} else {
 		updatePapers();
 	}
 	requestPapers();
 
-	subscribe(Auth().downloaderTaskFinished(), [=] { update(); });
+	subscribe(_session->downloaderTaskFinished(), [=] { update(); });
 	using Update = Window::Theme::BackgroundUpdate;
 	subscribe(Window::Theme::Background(), [=](const Update &update) {
 		if (update.paletteChanged()) {
@@ -192,9 +209,9 @@ BackgroundBox::Inner::Inner(QWidget *parent) : RpWidget(parent)
 
 void BackgroundBox::Inner::requestPapers() {
 	request(MTPaccount_GetWallPapers(
-		MTP_int(Auth().data().wallpapersHash())
+		MTP_int(_session->data().wallpapersHash())
 	)).done([=](const MTPaccount_WallPapers &result) {
-		if (Auth().data().updateWallpapers(result)) {
+		if (_session->data().updateWallpapers(result)) {
 			updatePapers();
 		}
 	}).send();
@@ -220,7 +237,7 @@ void BackgroundBox::Inner::sortPapers() {
 void BackgroundBox::Inner::updatePapers() {
 	_over = _overDown = Selection();
 
-	_papers = Auth().data().wallpapers(
+	_papers = _session->data().wallpapers(
 	) | ranges::view::filter([](const Data::WallPaper &paper) {
 		return !paper.isPattern() || paper.backgroundColor().has_value();
 	}) | ranges::view::transform([](const Data::WallPaper &paper) {
@@ -315,7 +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_box.h

@@ -9,13 +9,17 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "boxes/abstract_box.h"
 
+namespace Main {
+class Session;
+} // namespace Main
+
 namespace Data {
 class WallPaper;
 } // namespace Data
 
 class BackgroundBox : public BoxContent {
 public:
-	BackgroundBox(QWidget*);
+	BackgroundBox(QWidget*, not_null<Main::Session*> session);
 
 protected:
 	void prepare() override;
@@ -25,6 +29,8 @@ private:
 
 	void removePaper(const Data::WallPaper &paper);
 
+	const not_null<Main::Session*> _session;
+
 	QPointer<Inner> _inner;
 
 };

Telegram/SourceFiles/boxes/background_preview_box.cpp

@@ -13,19 +13,25 @@ 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"
-#include "auth_session.h"
+#include "main/main_session.h"
 #include "apiwrap.h"
 #include "data/data_session.h"
 #include "data/data_user.h"
 #include "data/data_document.h"
+#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;
@@ -220,7 +226,7 @@ void ServiceCheck::Generator::invalidate() {
 
 ServiceCheck::Generator &ServiceCheck::Frames() {
 	static const auto Instance = Ui::CreateChild<Generator>(
-		QApplication::instance());
+		QCoreApplication::instance());
 	return *Instance;
 }
 
@@ -283,15 +289,17 @@ 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,
-		unixtime(),
+		base::unixtime::now(),
 		out ? history->session().userId() : peerToUser(history->peer->id),
 		QString(),
 		TextWithEntities{ TextUtilities::Clean(text) });
@@ -386,20 +394,24 @@ QImage PrepareScaledFromFull(
 
 BackgroundPreviewBox::BackgroundPreviewBox(
 	QWidget*,
+	not_null<Main::Session*> session,
 	const Data::WallPaper &paper)
-: _text1(GenerateTextItem(
+: _session(session)
+, _text1(GenerateTextItem(
 	delegate(),
-	Auth().data().history(peerFromUser(PeerData::kServiceNotificationsId)),
+	_session->data().history(
+		peerFromUser(PeerData::kServiceNotificationsId)),
 	tr::lng_background_text1(tr::now),
 	false))
 , _text2(GenerateTextItem(
 	delegate(),
-	Auth().data().history(peerFromUser(PeerData::kServiceNotificationsId)),
+	_session->data().history(
+		peerFromUser(PeerData::kServiceNotificationsId)),
 	tr::lng_background_text2(tr::now),
 	true))
 , _paper(paper)
 , _radial([=](crl::time now) { radialAnimationCallback(now); }) {
-	subscribe(Auth().downloaderTaskFinished(), [=] { update(); });
+	subscribe(_session->downloaderTaskFinished(), [=] { update(); });
 }
 
 not_null<HistoryView::ElementDelegate*> BackgroundPreviewBox::delegate() {
@@ -482,7 +494,7 @@ void BackgroundPreviewBox::apply() {
 		&& Data::IsCloudWallPaper(_paper);
 	App::main()->setChatBackground(_paper, std::move(_full));
 	if (install) {
-		Auth().api().request(MTPaccount_InstallWallPaper(
+		_session->api().request(MTPaccount_InstallWallPaper(
 			_paper.mtpInput(),
 			_paper.mtpSettings()
 		)).send();
@@ -491,7 +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));
 }
 
@@ -735,18 +747,23 @@ void BackgroundPreviewBox::checkLoadedDocument() {
 }
 
 bool BackgroundPreviewBox::Start(
+		not_null<Main::Session*> session,
 		const QString &slug,
 		const QMap<QString, QString> &params) {
 	if (const auto paper = Data::WallPaper::FromColorSlug(slug)) {
-		Ui::show(Box<BackgroundPreviewBox>(paper->withUrlParams(params)));
+		Ui::show(Box<BackgroundPreviewBox>(
+			session,
+			paper->withUrlParams(params)));
 		return true;
 	}
 	if (!IsValidWallPaperSlug(slug)) {
 		Ui::show(Box<InformBox>(tr::lng_background_bad_link(tr::now)));
 		return false;
 	}
-	Auth().api().requestWallPaper(slug, [=](const Data::WallPaper &result) {
-		Ui::show(Box<BackgroundPreviewBox>(result.withUrlParams(params)));
+	session->api().requestWallPaper(slug, [=](const Data::WallPaper &result) {
+		Ui::show(Box<BackgroundPreviewBox>(
+			session,
+			result.withUrlParams(params)));
 	}, [](const RPCError &error) {
 		Ui::show(Box<InformBox>(tr::lng_background_bad_link(tr::now)));
 	});

Telegram/SourceFiles/boxes/background_preview_box.h

@@ -15,17 +15,26 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/effects/animations.h"
 #include "ui/effects/radial_animation.h"
 
+namespace Main {
+class Session;
+} // namespace Main
+
 namespace Ui {
 class Checkbox;
 } // namespace Ui
 
 class BackgroundPreviewBox
 	: public BoxContent
-	, private HistoryView::SimpleElementDelegate {
+	, private HistoryView::SimpleElementDelegate
+	, private base::Subscriber {
 public:
-	BackgroundPreviewBox(QWidget*, const Data::WallPaper &paper);
+	BackgroundPreviewBox(
+		QWidget*,
+		not_null<Main::Session*> session,
+		const Data::WallPaper &paper);
 
 	static bool Start(
+		not_null<Main::Session*> session,
 		const QString &slug,
 		const QMap<QString, QString> &params);
 
@@ -58,6 +67,7 @@ private:
 	void startFadeInFrom(QPixmap previous);
 	void checkBlurAnimationStart();
 
+	const not_null<Main::Session*> _session;
 	AdminLog::OwnedItem _text1;
 	AdminLog::OwnedItem _text2;
 	Data::WallPaper _paper;

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 {
@@ -761,6 +769,7 @@ rightsHeaderLabel: FlatLabel(boxLabel) {
 	textFg: windowActiveTextFg;
 }
 rightsUntilMargin: margins(0px, 8px, 0px, 20px);
+rightsRankMargin: margins(0px, 16px, 0px, 20px);
 
 mutePhotoButton: UserpicButton(defaultUserpicButton) {
 	size: size(40px, 40px);
@@ -876,6 +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;
@@ -988,3 +1012,21 @@ blockUserConfirmation: FlatLabel(boxLabel) {
 }
 
 transferCheckWidth: 300px;
+
+slowmodeLabelsMargin: margins(0px, 5px, 0px, 0px);
+slowmodeLabel: LabelSimple(defaultLabelSimple) {
+	textFg: windowSubTextFg;
+}
+
+customBadgeField: InputField(defaultInputField) {
+	textMargins: margins(2px, 7px, 2px, 0px);
+
+	placeholderFg: placeholderFg;
+	placeholderFgActive: placeholderFgActive;
+	placeholderFgError: placeholderFgActive;
+	placeholderMargins: margins(0px, 0px, 0px, 0px);
+	placeholderScale: 0.;
+	placeholderFont: normalFont;
+
+	heightMin: 32px;
+}

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

@@ -13,10 +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 "auth_session.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 {
@@ -60,8 +63,7 @@ void createErrorLabel(
 
 class ChangePhoneBox::EnterPhone : public BoxContent {
 public:
-	EnterPhone(QWidget*) {
-	}
+	EnterPhone(QWidget*, not_null<Main::Session*> session);
 
 	void setInnerFocus() override {
 		_phone->setFocusFast();
@@ -79,6 +81,8 @@ private:
 		showError(QString());
 	}
 
+	const not_null<Main::Session*> _session;
+
 	object_ptr<Ui::PhoneInput> _phone = { nullptr };
 	object_ptr<Ui::FadeWrap<Ui::FlatLabel>> _error = { nullptr };
 	mtpRequestId _requestId = 0;
@@ -87,7 +91,13 @@ private:
 
 class ChangePhoneBox::EnterCode : public BoxContent {
 public:
-	EnterCode(QWidget*, const QString &phone, const QString &hash, int codeLength, int callTimeout);
+	EnterCode(
+		QWidget*,
+		not_null<Main::Session*> session,
+		const QString &phone,
+		const QString &hash,
+		int codeLength,
+		int callTimeout);
 
 	void setInnerFocus() override {
 		_code->setFocusFast();
@@ -107,6 +117,8 @@ private:
 	}
 	int countHeight();
 
+	const not_null<Main::Session*> _session;
+
 	QString _phone;
 	QString _hash;
 	int _codeLength = 0;
@@ -119,11 +131,22 @@ private:
 
 };
 
+ChangePhoneBox::EnterPhone::EnterPhone(
+	QWidget*,
+	not_null<Main::Session*> session)
+: _session(session) {
+}
+
 void ChangePhoneBox::EnterPhone::prepare() {
 	setTitle(tr::lng_change_phone_title());
 
 	auto phoneValue = QString();
-	_phone.create(this, st::defaultInputField, tr::lng_change_phone_new_title(), phoneValue);
+	_phone.create(
+		this,
+		st::defaultInputField,
+		tr::lng_change_phone_new_title(),
+		ExtractPhonePrefix(_session->user()->phone()),
+		phoneValue);
 
 	_phone->resize(st::boxWidth - 2 * st::boxPadding.left(), _phone->height());
 	_phone->moveToLeft(st::boxPadding.left(), st::boxLittleSkip);
@@ -149,9 +172,7 @@ void ChangePhoneBox::EnterPhone::submit() {
 	_requestId = MTP::send(
 		MTPaccount_SendChangePhoneCode(
 			MTP_string(phoneNumber),
-			MTP_codeSettings(
-				MTP_flags(0),
-				MTPstring())),
+			MTP_codeSettings(MTP_flags(0))),
 		rpcDone(crl::guard(this, [=](
 				const MTPauth_SentCode &result) {
 			return sendPhoneDone(phoneNumber, result);
@@ -167,25 +188,28 @@ void ChangePhoneBox::EnterPhone::sendPhoneDone(const QString &phoneNumber, const
 
 	auto codeLength = 0;
 	auto &data = result.c_auth_sentCode();
-	switch (data.vtype.type()) {
+	switch (data.vtype().type()) {
 	case mtpc_auth_sentCodeTypeApp:
 		LOG(("Error: should not be in-app code!"));
 		showError(Lang::Hard::ServerError());
 		return;
-	case mtpc_auth_sentCodeTypeSms: codeLength = data.vtype.c_auth_sentCodeTypeSms().vlength.v; break;
-	case mtpc_auth_sentCodeTypeCall: codeLength = data.vtype.c_auth_sentCodeTypeCall().vlength.v; break;
+	case mtpc_auth_sentCodeTypeSms: codeLength = data.vtype().c_auth_sentCodeTypeSms().vlength().v; break;
+	case mtpc_auth_sentCodeTypeCall: codeLength = data.vtype().c_auth_sentCodeTypeCall().vlength().v; break;
 	case mtpc_auth_sentCodeTypeFlashCall:
 		LOG(("Error: should not be flashcall!"));
 		showError(Lang::Hard::ServerError());
 		return;
 	}
-	auto phoneCodeHash = qs(data.vphone_code_hash);
+	auto phoneCodeHash = qs(data.vphone_code_hash());
 	auto callTimeout = 0;
-	if (data.has_next_type() && data.vnext_type.type() == mtpc_auth_codeTypeCall) {
-		callTimeout = data.has_timeout() ? data.vtimeout.v : 60;
+	if (const auto nextType = data.vnext_type()) {
+		if (nextType->type() == mtpc_auth_codeTypeCall) {
+			callTimeout = data.vtimeout().value_or(60);
+		}
 	}
 	Ui::show(
 		Box<EnterCode>(
+			_session,
 			phoneNumber,
 			phoneCodeHash,
 			codeLength,
@@ -227,8 +251,15 @@ void ChangePhoneBox::EnterPhone::showError(const QString &text) {
 	}
 }
 
-ChangePhoneBox::EnterCode::EnterCode(QWidget*, const QString &phone, const QString &hash, int codeLength, int callTimeout)
-: _phone(phone)
+ChangePhoneBox::EnterCode::EnterCode(
+	QWidget*,
+	not_null<Main::Session*> session,
+	const QString &phone,
+	const QString &hash,
+	int codeLength,
+	int callTimeout)
+: _session(session)
+, _phone(phone)
 , _hash(hash)
 , _codeLength(codeLength)
 , _callTimeout(callTimeout)
@@ -277,13 +308,15 @@ void ChangePhoneBox::EnterCode::submit() {
 	}
 	hideError();
 
+	const auto session = _session;
 	const auto code = _code->getDigitsOnly();
+	const auto weak = Ui::MakeWeak(this);
 	_requestId = MTP::send(MTPaccount_ChangePhone(
 		MTP_string(_phone),
 		MTP_string(_hash),
 		MTP_string(code)
-	), rpcDone([weak = make_weak(this)](const MTPUser &result) {
-		Auth().data().processUser(result);
+	), rpcDone([=](const MTPUser &result) {
+		session->data().processUser(result);
 		if (weak) {
 			Ui::hideLayer();
 		}
@@ -340,11 +373,17 @@ bool ChangePhoneBox::EnterCode::sendCodeFail(const RPCError &error) {
 	return true;
 }
 
+ChangePhoneBox::ChangePhoneBox(QWidget*, not_null<Main::Session*> session)
+: _session(session) {
+}
+
 void ChangePhoneBox::prepare() {
+	const auto session = _session;
+
 	setTitle(tr::lng_change_phone_title());
-	addButton(tr::lng_change_phone_button(), [] {
-		Ui::show(Box<ConfirmBox>(tr::lng_change_phone_warning(tr::now), [] {
-			Ui::show(Box<EnterPhone>());
+	addButton(tr::lng_change_phone_button(), [=] {
+		Ui::show(Box<ConfirmBox>(tr::lng_change_phone_warning(tr::now), [=] {
+			Ui::show(Box<EnterPhone>(session));
 		}));
 	});
 	addButton(tr::lng_cancel(), [this] {

Telegram/SourceFiles/boxes/change_phone_box.h

@@ -9,10 +9,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "boxes/abstract_box.h"
 
+namespace Main {
+class Session;
+} // namespace Main
+
 class ChangePhoneBox : public BoxContent {
 public:
-	ChangePhoneBox(QWidget*) {
-	}
+	ChangePhoneBox(QWidget*, not_null<Main::Session*> session);
 
 protected:
 	void prepare() override;
@@ -23,5 +26,7 @@ private:
 	class EnterPhone;
 	class EnterCode;
 
+	const not_null<Main::Session*> _session;
+
 };
 

Telegram/SourceFiles/boxes/confirm_box.cpp

@@ -25,13 +25,20 @@ 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"
 #include "data/data_chat.h"
 #include "data/data_user.h"
-#include "auth_session.h"
+#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
@@ -247,8 +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);
@@ -458,7 +466,8 @@ DeleteMessagesBox::DeleteMessagesBox(
 	QWidget*,
 	not_null<HistoryItem*> item,
 	bool suggestModerateActions)
-: _ids(1, item->fullId()) {
+: _session(&item->history()->session())
+, _ids(1, item->fullId()) {
 	if (suggestModerateActions) {
 		_moderateBan = item->suggestBanReport();
 		_moderateDeleteAll = item->suggestDeleteAllReport();
@@ -471,8 +480,10 @@ DeleteMessagesBox::DeleteMessagesBox(
 
 DeleteMessagesBox::DeleteMessagesBox(
 	QWidget*,
+	not_null<Main::Session*> session,
 	MessageIdsList &&selected)
-: _ids(std::move(selected)) {
+: _session(session)
+, _ids(std::move(selected)) {
 	Expects(!_ids.empty());
 }
 
@@ -480,7 +491,8 @@ DeleteMessagesBox::DeleteMessagesBox(
 	QWidget*,
 	not_null<PeerData*> peer,
 	bool justClear)
-: _wipeHistoryPeer(peer)
+: _session(&peer->session())
+, _wipeHistoryPeer(peer)
 , _wipeHistoryJustClear(justClear) {
 }
 
@@ -537,10 +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) });
 				}
@@ -575,10 +588,21 @@ 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)) {
-		if (const auto item = Auth().data().message(fullId)) {
+		if (const auto item = _session->data().message(fullId)) {
 			const auto peer = item->history()->peer;
 			if (!result) {
 				result = peer;
@@ -620,7 +644,7 @@ auto DeleteMessagesBox::revokeText(not_null<PeerData*> peer) const
 		return std::nullopt;
 	}
 
-	const auto now = unixtime();
+	const auto now = base::unixtime::now();
 	const auto canRevoke = [&](HistoryItem * item) {
 		return item->canDeleteForEveryone(now);
 	};
@@ -760,9 +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 = Auth().data().message(itemId)) {
+		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);
@@ -779,21 +815,33 @@ 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();
-	Auth().data().sendHistoryChangeNotifications();
+	session->data().sendHistoryChangeNotifications();
 }
 
 ConfirmInviteBox::ConfirmInviteBox(
 	QWidget*,
+	not_null<Main::Session*> session,
 	const MTPDchatInvite &data,
 	Fn<void()> submit)
-: _submit(std::move(submit))
+: _session(session)
+, _submit(std::move(submit))
 , _title(this, st::confirmInviteTitle)
 , _status(this, st::confirmInviteStatus)
-, _participants(GetParticipants(data))
+, _participants(GetParticipants(_session, data))
 , _isChannel(data.is_channel() && !data.is_megagroup()) {
-	const auto title = qs(data.vtitle);
-	const auto count = data.vparticipants_count.v;
+	const auto title = qs(data.vtitle());
+	const auto count = data.vparticipants_count().v;
 	const auto status = [&] {
 		return (!_participants.empty() && _participants.size() < count)
 			? tr::lng_group_invite_members(tr::now, lt_count, count)
@@ -806,11 +854,11 @@ ConfirmInviteBox::ConfirmInviteBox(
 	_title->setText(title);
 	_status->setText(status);
 
-	const auto photo = Auth().data().processPhoto(data.vphoto);
+	const auto photo = _session->data().processPhoto(data.vphoto());
 	if (!photo->isNull()) {
 		_photo = photo->thumbnail();
 		if (!_photo->loaded()) {
-			subscribe(Auth().downloaderTaskFinished(), [=] {
+			subscribe(_session->downloaderTaskFinished(), [=] {
 				update();
 			});
 			_photo->load(Data::FileOrigin());
@@ -823,15 +871,17 @@ ConfirmInviteBox::ConfirmInviteBox(
 }
 
 std::vector<not_null<UserData*>> ConfirmInviteBox::GetParticipants(
+		not_null<Main::Session*> session,
 		const MTPDchatInvite &data) {
-	if (!data.has_participants()) {
+	const auto participants = data.vparticipants();
+	if (!participants) {
 		return {};
 	}
-	const auto &v = data.vparticipants.v;
+	const auto &v = participants->v;
 	auto result = std::vector<not_null<UserData*>>();
 	result.reserve(v.size());
 	for (const auto &participant : v) {
-		if (const auto user = Auth().data().processUser(participant)) {
+		if (const auto user = session->data().processUser(participant)) {
 			result.push_back(user);
 		}
 	}
@@ -860,7 +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

@@ -9,6 +9,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "boxes/abstract_box.h"
 
+namespace Main {
+class Session;
+} // namespace Main
+
 namespace Ui {
 class Checkbox;
 class FlatLabel;
@@ -91,7 +95,7 @@ public:
 
 };
 
-class MaxInviteBox : public BoxContent {
+class MaxInviteBox : public BoxContent, private base::Subscriber {
 public:
 	MaxInviteBox(QWidget*, not_null<ChannelData*> channel);
 
@@ -150,7 +154,10 @@ public:
 		QWidget*,
 		not_null<HistoryItem*> item,
 		bool suggestModerateActions);
-	DeleteMessagesBox(QWidget*, MessageIdsList &&selected);
+	DeleteMessagesBox(
+		QWidget*,
+		not_null<Main::Session*> session,
+		MessageIdsList &&selected);
 	DeleteMessagesBox(QWidget*, not_null<PeerData*> peer, bool justClear);
 
 	void setDeleteConfirmedCallback(Fn<void()> callback) {
@@ -169,8 +176,12 @@ 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;
 
 	PeerData * const _wipeHistoryPeer = nullptr;
 	const bool _wipeHistoryJustClear = false;
@@ -190,10 +201,14 @@ private:
 
 };
 
-class ConfirmInviteBox : public BoxContent, public RPCSender {
+class ConfirmInviteBox
+	: public BoxContent
+	, public RPCSender
+	, private base::Subscriber {
 public:
 	ConfirmInviteBox(
 		QWidget*,
+		not_null<Main::Session*> session,
 		const MTPDchatInvite &data,
 		Fn<void()> submit);
 	~ConfirmInviteBox();
@@ -206,8 +221,11 @@ protected:
 
 private:
 	static std::vector<not_null<UserData*>> GetParticipants(
+		not_null<Main::Session*> session,
 		const MTPDchatInvite &data);
 
+	const not_null<Main::Session*> _session;
+
 	Fn<void()> _submit;
 	object_ptr<Ui::FlatLabel> _title;
 	object_ptr<Ui::FlatLabel> _status;

Telegram/SourceFiles/boxes/confirm_phone_box.cpp

@@ -17,6 +17,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/qthelp_url.h" // qthelp::url_encode
 #include "platform/platform_info.h" // Platform::SystemVersionPretty
 #include "mainwidget.h"
+#include "numbers.h"
+#include "app.h"
 #include "lang/lang_keys.h"
 
 namespace {
@@ -64,7 +66,14 @@ void ShowPhoneBannedError(const QString &phone) {
 		tr::lng_signin_banned_help(tr::now),
 		close,
 		[=] { SendToBannedHelp(phone); close(); }));
+}
 
+QString ExtractPhonePrefix(const QString &phone) {
+	const auto pattern = phoneNumberParse(phone);
+	if (!pattern.isEmpty()) {
+		return phone.mid(0, pattern[0]);
+	}
+	return QString();
 }
 
 SentCodeField::SentCodeField(
@@ -219,29 +228,33 @@ void ConfirmPhoneBox::checkPhoneAndHash() {
 	_sendCodeRequestId = MTP::send(
 		MTPaccount_SendConfirmPhoneCode(
 			MTP_string(_hash),
-			MTP_codeSettings(
-				MTP_flags(0),
-				MTPstring())),
+			MTP_codeSettings(MTP_flags(0))),
 		rpcDone(&ConfirmPhoneBox::sendCodeDone),
 		rpcFail(&ConfirmPhoneBox::sendCodeFail));
 }
 
 void ConfirmPhoneBox::sendCodeDone(const MTPauth_SentCode &result) {
-	Expects(result.type() == mtpc_auth_sentCode);
-	_sendCodeRequestId = 0;
-
-	auto &resultInner = result.c_auth_sentCode();
-	switch (resultInner.vtype.type()) {
-	case mtpc_auth_sentCodeTypeApp: LOG(("Error: should not be in-app code!")); break;
-	case mtpc_auth_sentCodeTypeSms: _sentCodeLength = resultInner.vtype.c_auth_sentCodeTypeSms().vlength.v; break;
-	case mtpc_auth_sentCodeTypeCall: _sentCodeLength = resultInner.vtype.c_auth_sentCodeTypeCall().vlength.v; break;
-	case mtpc_auth_sentCodeTypeFlashCall: LOG(("Error: should not be flashcall!")); break;
-	}
-	_phoneHash = qs(resultInner.vphone_code_hash);
-	if (resultInner.has_next_type() && resultInner.vnext_type.type() == mtpc_auth_codeTypeCall) {
-		_call.setStatus({ SentCodeCall::State::Waiting, resultInner.has_timeout() ? resultInner.vtimeout.v : 60 });
-	}
-	launch();
+	result.match([&](const MTPDauth_sentCode &data) {
+		_sendCodeRequestId = 0;
+		_sentCodeLength = data.vtype().match([&](const MTPDauth_sentCodeTypeApp &data) {
+			LOG(("Error: should not be in-app code!"));
+			return 0;
+		}, [&](const MTPDauth_sentCodeTypeSms &data) {
+			return data.vlength().v;
+		}, [&](const MTPDauth_sentCodeTypeCall &data) {
+			return data.vlength().v;
+		}, [&](const MTPDauth_sentCodeTypeFlashCall &data) {
+			LOG(("Error: should not be flashcall!"));
+			return 0;
+		});
+		_phoneHash = qs(data.vphone_code_hash());
+		if (const auto nextType = data.vnext_type()) {
+			if (nextType->type() == mtpc_auth_codeTypeCall) {
+				_call.setStatus({ SentCodeCall::State::Waiting, data.vtimeout().value_or(60) });
+			}
+		}
+		launch();
+	});
 }
 
 bool ConfirmPhoneBox::sendCodeFail(const RPCError &error) {

Telegram/SourceFiles/boxes/confirm_phone_box.h

@@ -17,6 +17,7 @@ class FlatLabel;
 } // namespace Ui
 
 void ShowPhoneBannedError(const QString &phone);
+[[nodiscard]] QString ExtractPhonePrefix(const QString &phone);
 
 class SentCodeField : public Ui::InputField {
 public:

Telegram/SourceFiles/boxes/connection_box.cpp

@@ -12,6 +12,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "storage/localstorage.h"
 #include "base/qthelp_url.h"
 #include "core/application.h"
+#include "main/main_account.h"
 #include "ui/widgets/checkbox.h"
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/input_fields.h"
@@ -23,14 +24,69 @@ 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);
 
+class Base64UrlInput : public Ui::MaskedInputField {
+public:
+	Base64UrlInput(
+		QWidget *parent,
+		const style::InputField &st,
+		rpl::producer<QString> placeholder,
+		const QString &val);
+
+protected:
+	void correctValue(
+		const QString &was,
+		int wasCursor,
+		QString &now,
+		int &nowCursor) override;
+
+};
+
+Base64UrlInput::Base64UrlInput(
+	QWidget *parent,
+	const style::InputField &st,
+	rpl::producer<QString> placeholder,
+	const QString &val)
+: MaskedInputField(parent, st, std::move(placeholder), val) {
+	if (!QRegularExpression("^[a-zA-Z0-9_\\-]+$").match(val).hasMatch()) {
+		setText(QString());
+	}
+}
+
+void Base64UrlInput::correctValue(
+		const QString &was,
+		int wasCursor,
+		QString &now,
+		int &nowCursor) {
+	QString newText;
+	newText.reserve(now.size());
+	auto newPos = nowCursor;
+	for (auto i = 0, l = now.size(); i < l; ++i) {
+		const auto ch = now[i];
+		if ((ch >= '0' && ch <= '9')
+			|| (ch >= 'a' && ch <= 'z')
+			|| (ch >= 'A' && ch <= 'Z')
+			|| (ch == '-')
+			|| (ch == '_')) {
+			newText.append(ch);
+		} else if (i < nowCursor) {
+			--newPos;
+		}
+	}
+	setCorrectedText(now, nowCursor, newText, newPos);
+}
+
 class ProxyRow : public Ui::RippleButton {
 public:
 	using View = ProxiesBoxController::ItemView;
@@ -150,7 +206,7 @@ private:
 	QPointer<Ui::PortInput> _port;
 	QPointer<Ui::InputField> _user;
 	QPointer<Ui::PasswordInput> _password;
-	QPointer<Ui::HexInput> _secret;
+	QPointer<Base64UrlInput> _secret;
 
 	QPointer<Ui::SlideWrap<Ui::VerticalLayout>> _credentials;
 	QPointer<Ui::SlideWrap<Ui::VerticalLayout>> _mtprotoCredentials;
@@ -359,7 +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,
@@ -378,7 +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));
 	}
 }
 
@@ -852,12 +908,11 @@ void ProxyBox::setupMtprotoCredentials(const ProxyData &data) {
 	addLabel(mtproto, tr::lng_proxy_credentials(tr::now));
 
 	auto secretWrap = object_ptr<Ui::RpWidget>(mtproto);
-	_secret = Ui::CreateChild<Ui::HexInput>(
+	_secret = Ui::CreateChild<Base64UrlInput>(
 		secretWrap.data(),
 		st::connectionUserInputField,
 		tr::lng_connection_proxy_secret_ph(),
 		(data.type == Type::Mtproto) ? data.password : QString());
-	_secret->setMaxLength(ProxyData::MaxMtprotoPasswordLength());
 	_secret->move(0, 0);
 	_secret->heightValue(
 	) | rpl::start_with_next([=, wrap = secretWrap.data()](int height) {
@@ -975,6 +1030,11 @@ void ProxiesBoxController::ShowApplyConfirmation(
 				strong->closeBox();
 			}
 		}), LayerOption::KeepOther);
+	} else {
+		Ui::show(Box<InformBox>(
+			(proxy.status() == ProxyData::Status::Unsupported
+				? tr::lng_proxy_unsupported(tr::now)
+				: tr::lng_proxy_invalid(tr::now))));
 	}
 }
 
@@ -990,58 +1050,55 @@ void ProxiesBoxController::refreshChecker(Item &item) {
 	const auto type = (item.data.type == Type::Http)
 		? Variants::Http
 		: Variants::Tcp;
-	const auto mtproto = Core::App().mtp();
+	const auto mtproto = Core::App().activeAccount().mtp();
 	const auto dcId = mtproto->mainDcId();
 
 	item.state = ItemState::Checking;
-	const auto setup = [&](Checker &checker) {
+	const auto setup = [&](Checker &checker, const bytes::vector &secret) {
 		checker = MTP::internal::AbstractConnection::Create(
 			mtproto,
 			type,
 			QThread::currentThread(),
+			secret,
 			item.data);
 		setupChecker(item.id, checker);
 	};
-	setup(item.checker);
 	if (item.data.type == Type::Mtproto) {
-		item.checkerv6 = nullptr;
+		const auto secret = item.data.secretFromMtprotoPassword();
+		setup(item.checker, secret);
 		item.checker->connectToServer(
 			item.data.host,
 			item.data.port,
-			item.data.secretFromMtprotoPassword(),
+			secret,
 			dcId);
+		item.checkerv6 = nullptr;
 	} else {
 		const auto options = mtproto->dcOptions()->lookup(
 			dcId,
 			MTP::DcType::Regular,
 			true);
-		const auto endpoint = options.data[Variants::IPv4][type];
-		const auto endpointv6 = options.data[Variants::IPv6][type];
-		if (endpoint.empty()) {
-			item.checker = nullptr;
-		}
-		if (Global::TryIPv6() && !endpointv6.empty()) {
-			setup(item.checkerv6);
-		} else {
-			item.checkerv6 = nullptr;
-		}
+		const auto connect = [&](
+				Checker &checker,
+				Variants::Address address) {
+			const auto &list = options.data[address][type];
+			if (list.empty()
+				|| (address == Variants::IPv6 && !Global::TryIPv6())) {
+				checker = nullptr;
+				return;
+			}
+			const auto &endpoint = list.front();
+			setup(checker, endpoint.secret);
+			checker->connectToServer(
+				QString::fromStdString(endpoint.ip),
+				endpoint.port,
+				endpoint.secret,
+				dcId);
+		};
+		connect(item.checker, Variants::IPv4);
+		connect(item.checkerv6, Variants::IPv6);
 		if (!item.checker && !item.checkerv6) {
 			item.state = ItemState::Unavailable;
-			return;
 		}
-		const auto connect = [&](
-				const Checker &checker,
-				const std::vector<MTP::DcOptions::Endpoint> &endpoints) {
-			if (checker) {
-				checker->connectToServer(
-					QString::fromStdString(endpoints.front().ip),
-					endpoints.front().port,
-					endpoints.front().secret,
-					dcId);
-			}
-		};
-		connect(item.checker, endpoint);
-		connect(item.checkerv6, endpointv6);
 	}
 }
 
@@ -1373,7 +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));
 }
 
@@ -1381,7 +1438,7 @@ ProxiesBoxController::~ProxiesBoxController() {
 	if (_saveTimer.isActive()) {
 		App::CallDelayed(
 			kSaveSettingsDelayedTimeout,
-			QApplication::instance(),
+			QCoreApplication::instance(),
 			[] { Local::writeSettings(); });
 	}
 }

Telegram/SourceFiles/boxes/create_poll_box.cpp

@@ -16,10 +16,14 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/shadow.h"
 #include "ui/widgets/labels.h"
 #include "ui/widgets/buttons.h"
+#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"
 
@@ -36,7 +40,8 @@ class Options {
 public:
 	Options(
 		not_null<QWidget*> outer,
-		not_null<Ui::VerticalLayout*> container);
+		not_null<Ui::VerticalLayout*> container,
+		not_null<Main::Session*> session);
 
 	[[nodiscard]] bool isValid() const;
 	[[nodiscard]] rpl::producer<bool> isValidChanged() const;
@@ -53,6 +58,7 @@ private:
 		static Option Create(
 			not_null<QWidget*> outer,
 			not_null<Ui::VerticalLayout*> container,
+			not_null<Main::Session*> session,
 			int position);
 
 		void toggleRemoveAlways(bool toggled);
@@ -122,6 +128,7 @@ private:
 
 	not_null<QWidget*> _outer;
 	not_null<Ui::VerticalLayout*> _container;
+	const not_null<Main::Session*> _session;
 	int _position = 0;
 	std::vector<Option> _list;
 	std::set<Option, std::less<>> _destroyed;
@@ -134,12 +141,18 @@ private:
 
 void InitField(
 		not_null<QWidget*> container,
-		not_null<Ui::InputField*> field) {
+		not_null<Ui::InputField*> field,
+		not_null<Main::Session*> session) {
 	field->setInstantReplaces(Ui::InstantReplaces::Default());
-	field->setInstantReplacesEnabled(Global::ReplaceEmojiValue());
+	field->setInstantReplacesEnabled(
+		session->settings().replaceEmojiValue());
 	auto options = Ui::Emoji::SuggestionsController::Options();
 	options.suggestExactFirstWord = false;
-	Ui::Emoji::SuggestionsController::Init(container, field, options);
+	Ui::Emoji::SuggestionsController::Init(
+		container,
+		field,
+		session,
+		options);
 }
 
 not_null<Ui::FlatLabel*> CreateWarningLabel(
@@ -176,6 +189,7 @@ void FocusAtEnd(not_null<Ui::InputField*> field) {
 Options::Option Options::Option::Create(
 		not_null<QWidget*> outer,
 		not_null<Ui::VerticalLayout*> container,
+		not_null<Main::Session*> session,
 		int position) {
 	auto result = Option();
 	const auto field = container->insert(
@@ -187,7 +201,7 @@ Options::Option Options::Option::Create(
 				st::createPollOptionField,
 				Ui::InputField::Mode::NoNewlines,
 				tr::lng_polls_create_option_add())));
-	InitField(outer, field->entity());
+	InitField(outer, field->entity(), session);
 	field->entity()->setMaxLength(kOptionLimit + kErrorLimit);
 	result._field.reset(field);
 
@@ -341,9 +355,11 @@ rpl::producer<Qt::MouseButton> Options::Option::removeClicks() const {
 
 Options::Options(
 	not_null<QWidget*> outer,
-	not_null<Ui::VerticalLayout*> container)
+	not_null<Ui::VerticalLayout*> container,
+	not_null<Main::Session*> session)
 : _outer(outer)
 , _container(container)
+, _session(session)
 , _position(_container->count()) {
 	checkLastOption();
 }
@@ -488,6 +504,7 @@ void Options::addEmptyOption() {
 	_list.push_back(Option::Create(
 		_outer,
 		_container,
+		_session,
 		_position + _list.size() + _destroyed.size()));
 	const auto field = _list.back().field();
 	QObject::connect(field, &Ui::InputField::submitted, [=] {
@@ -507,11 +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);
@@ -520,7 +537,7 @@ void Options::addEmptyOption() {
 		} else {
 			_backspaceInFront.fire({});
 		}
-		return true;
+		return Core::EventFilter::Result::Cancel;
 	});
 
 	_list.back().removeClicks(
@@ -578,10 +595,15 @@ void Options::checkLastOption() {
 
 } // namespace
 
-CreatePollBox::CreatePollBox(QWidget*) {
+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();
 }
 
@@ -605,7 +627,7 @@ not_null<Ui::InputField*> CreatePollBox::setupQuestion(
 			Ui::InputField::Mode::MultiLine,
 			tr::lng_polls_create_question_placeholder()),
 		st::createPollFieldPadding);
-	InitField(getDelegate()->outerContainer(), question);
+	InitField(getDelegate()->outerContainer(), question, _session);
 	question->setMaxLength(kQuestionLimit + kErrorLimit);
 
 	const auto warning = CreateWarningLabel(
@@ -648,7 +670,8 @@ object_ptr<Ui::RpWidget> CreatePollBox::setupContent() {
 	AddSubsectionTitle(container, tr::lng_polls_create_options());
 	const auto options = lifetime().make_state<Options>(
 		getDelegate()->outerContainer(),
-		container);
+		container,
+		_session);
 	auto limit = options->usedCount() | rpl::after_next([=](int count) {
 		setCloseByEscape(!count);
 		setCloseByOutsideClick(!count);
@@ -687,6 +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());
 	};
@@ -699,9 +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

@@ -8,18 +8,32 @@ 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;
 
 namespace Ui {
 class VerticalLayout;
 } // namespace Ui
 
-struct PollData;
+namespace Main {
+class Session;
+} // namespace Main
 
 class CreatePollBox : public BoxContent {
 public:
-	CreatePollBox(QWidget*);
+	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;
@@ -32,8 +46,10 @@ private:
 	not_null<Ui::InputField*> setupQuestion(
 		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

@@ -8,7 +8,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/edit_caption_box.h"
 
 #include "apiwrap.h"
-#include "auth_session.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"
 #include "chat_helpers/tabbed_panel.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*,
@@ -232,7 +239,7 @@ EditCaptionBox::EditCaptionBox(
 	_thumbnailImageLoaded = _thumbnailImage
 		? _thumbnailImage->loaded()
 		: true;
-	subscribe(Auth().downloaderTaskFinished(), [=] {
+	subscribe(_controller->session().downloaderTaskFinished(), [=] {
 		if (!_thumbnailImageLoaded
 			&& _thumbnailImage
 			&& _thumbnailImage->loaded()) {
@@ -254,9 +261,11 @@ EditCaptionBox::EditCaptionBox(
 	_field->setMaxLength(Global::CaptionLengthMax());
 	_field->setSubmitSettings(Ui::InputField::SubmitSettings::Both);
 	_field->setInstantReplaces(Ui::InstantReplaces::Default());
-	_field->setInstantReplacesEnabled(Global::ReplaceEmojiValue());
+	_field->setInstantReplacesEnabled(
+		_controller->session().settings().replaceEmojiValue());
 	_field->setMarkdownReplacesEnabled(rpl::single(true));
-	_field->setEditLinkCallback(DefaultEditLinkCallback(_field));
+	_field->setEditLinkCallback(
+		DefaultEditLinkCallback(&_controller->session(), _field));
 
 	auto r = object_ptr<Ui::SlideWrap<Ui::Checkbox>>(
 		this,
@@ -275,14 +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() {
@@ -627,7 +635,8 @@ void EditCaptionBox::prepare() {
 	});
 	Ui::Emoji::SuggestionsController::Init(
 		getDelegate()->outerContainer(),
-		_field);
+		_field,
+		&_controller->session());
 
 	setupEmojiPanel();
 
@@ -708,14 +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);
@@ -804,10 +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);
 
@@ -876,7 +887,7 @@ void EditCaptionBox::setInnerFocus() {
 void EditCaptionBox::save() {
 	if (_saveRequestId) return;
 
-	const auto item = Auth().data().message(_msgId);
+	const auto item = _controller->session().data().message(_msgId);
 	if (!item) {
 		_error = tr::lng_edit_deleted(tr::now);
 		update();
@@ -890,17 +901,17 @@ 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(),
-		Auth().user()).flags;
+		_controller->session().user()).flags;
 	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;
 	}
@@ -909,15 +920,15 @@ void EditCaptionBox::save() {
 		const auto textWithTags = _field->getTextWithAppliedMarkdown();
 		auto sending = TextWithEntities{
 			textWithTags.text,
-			ConvertTextTagsToEntities(textWithTags.tags)
+			TextUtilities::ConvertTextTagsToEntities(textWithTags.tags)
 		};
 		item->setText(sending);
 
-		Auth().api().editMedia(
+		_controller->session().api().editMedia(
 			std::move(_preparedList),
 			(!_asFile && _photo) ? SendMediaType::Photo : SendMediaType::File,
 			_field->getTextWithAppliedMarkdown(),
-			ApiWrap::SendOptions(item->history()),
+			Api::SendAction(item->history()),
 			item->fullId().msg);
 		closeBox();
 		return;
@@ -931,28 +942,32 @@ void EditCaptionBox::save() {
 			MTP_string(sending.text),
 			MTPInputMedia(),
 			MTPReplyMarkup(),
-			sentEntities),
+			sentEntities,
+			MTP_int(0)), // schedule_date
 		rpcDone(&EditCaptionBox::saveDone),
 		rpcFail(&EditCaptionBox::saveFail));
 }
 
 void EditCaptionBox::saveDone(const MTPUpdates &updates) {
 	_saveRequestId = 0;
+	const auto controller = _controller;
 	closeBox();
-	Auth().api().applyUpdates(updates);
+	controller->session().api().applyUpdates(updates);
 }
 
 bool EditCaptionBox::saveFail(const RPCError &error) {
 	if (MTP::isDefaultHandledError(error)) return false;
 
 	_saveRequestId = 0;
-	QString err = error.type();
-	if (err == qstr("MESSAGE_ID_INVALID") || err == qstr("CHAT_ADMIN_REQUIRED") || err == qstr("MESSAGE_EDIT_TIME_EXPIRED")) {
+	const auto &type = error.type();
+	if (type == qstr("MESSAGE_ID_INVALID")
+		|| type == qstr("CHAT_ADMIN_REQUIRED")
+		|| type == qstr("MESSAGE_EDIT_TIME_EXPIRED")) {
 		_error = tr::lng_edit_error(tr::now);
-	} else if (err == qstr("MESSAGE_NOT_MODIFIED")) {
+	} else if (type == qstr("MESSAGE_NOT_MODIFIED")) {
 		closeBox();
 		return true;
-	} else if (err == qstr("MESSAGE_EMPTY")) {
+	} else if (type == qstr("MESSAGE_EMPTY")) {
 		_field->setFocus();
 		_field->showError();
 	} else {

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;