Version 1.8.10.

- 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

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

Telegram/Resources/colors.palette

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

Telegram/Resources/langs/lang.strings

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

Telegram/Resources/tl/api.tl

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

Telegram/Resources/tl/mtproto.tl

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

Telegram/Resources/uwp/AppX/AppxManifest.xml

@@ -9,7 +9,7 @@
   <Identity Name="TelegramMessengerLLP.TelegramDesktop"
     ProcessorArchitecture="ARCHITECTURE"
     Publisher="CN=536BC709-8EE1-4478-AF22-F0F0F26FF64A"
-    Version="1.8.0.0" />
+    Version="1.8.10.0" />
   <Properties>
     <DisplayName>Telegram Desktop</DisplayName>
     <PublisherDisplayName>Telegram FZ-LLC</PublisherDisplayName>

Telegram/Resources/winrc/Telegram.rc

@@ -34,8 +34,8 @@ IDI_ICON1               ICON                    "..\\art\\icon256.ico"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,8,0,0
- PRODUCTVERSION 1,8,0,0
+ FILEVERSION 1,8,10,0
+ PRODUCTVERSION 1,8,10,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -52,10 +52,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop"
-            VALUE "FileVersion", "1.8.0.0"
+            VALUE "FileVersion", "1.8.10.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2019"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "1.8.0.0"
+            VALUE "ProductVersion", "1.8.10.0"
         END
     END
     BLOCK "VarFileInfo"

Telegram/Resources/winrc/Updater.rc

@@ -25,8 +25,8 @@ LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,8,0,0
- PRODUCTVERSION 1,8,0,0
+ FILEVERSION 1,8,10,0
+ PRODUCTVERSION 1,8,10,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -43,10 +43,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop Updater"
-            VALUE "FileVersion", "1.8.0.0"
+            VALUE "FileVersion", "1.8.10.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2019"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "1.8.0.0"
+            VALUE "ProductVersion", "1.8.10.0"
         END
     END
     BLOCK "VarFileInfo"

Telegram/SourceFiles/api/api_common.h

@@ -0,0 +1,44 @@
+/*
+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 {
+
+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

@@ -16,6 +16,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #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"
@@ -26,36 +27,33 @@ namespace {
 
 template <typename MediaData>
 void SendExistingMedia(
-		not_null<History*> history,
+		Api::MessageToSend &&message,
 		not_null<MediaData*> media,
-		const MTPInputMedia &inputMedia,
-		Data::FileOrigin origin,
-		TextWithEntities caption,
-		MsgId replyToId,
-		bool silent) {
+		Fn<MTPInputMedia()> inputMedia,
+		Data::FileOrigin origin) {
+	const auto history = message.action.history;
 	const auto peer = history->peer;
 	const auto session = &history->session();
 	const auto api = &session->api();
 
-	auto options = ApiWrap::SendOptions(history);
-	options.clearDraft = false;
-	options.replyTo = replyToId;
-	options.generateLocal = true;
-	options.silent = silent;
+	message.action.clearDraft = false;
+	message.action.generateLocal = true;
+	api->sendAction(message.action);
 
-	api->sendAction(options);
-
-	const auto newId = FullMsgId(peerToChannel(peer->id), clientMsgId());
+	const auto newId = FullMsgId(
+		peerToChannel(peer->id),
+		session->data().nextLocalMessageId());
 	const auto randomId = rand_value<uint64>();
 
 	auto flags = NewMessageFlags(peer) | MTPDmessage::Flag::f_media;
+	auto clientFlags = NewMessageClientFlags();
 	auto sendFlags = MTPmessages_SendMedia::Flags(0);
-	if (options.replyTo) {
+	if (message.action.replyTo) {
 		flags |= MTPDmessage::Flag::f_reply_to_msg_id;
 		sendFlags |= MTPmessages_SendMedia::Flag::f_reply_to_msg_id;
 	}
 	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
-	const auto silentPost = options.silent
+	const auto silentPost = message.action.options.silent
 		|| (channelPost && session->data().notifySilentPosts(peer));
 	if (channelPost) {
 		flags |= MTPDmessage::Flag::f_views;
@@ -74,6 +72,10 @@ void SendExistingMedia(
 		? App::peerName(session->user())
 		: QString();
 
+	auto caption = TextWithEntities{
+		message.textWithTags.text,
+		ConvertTextTagsToEntities(message.textWithTags.tags)
+	};
 	TextUtilities::Trim(caption);
 	auto sentEntities = TextUtilities::EntitiesToMTP(
 		caption.entities,
@@ -81,17 +83,25 @@ void SendExistingMedia(
 	if (!sentEntities.v.isEmpty()) {
 		sendFlags |= MTPmessages_SendMedia::Flag::f_entities;
 	}
-	const auto replyTo = options.replyTo;
+	const auto replyTo = message.action.replyTo;
 	const auto captionText = caption.text;
 
+	if (message.action.options.scheduled) {
+		flags |= MTPDmessage::Flag::f_from_scheduled;
+		sendFlags |= MTPmessages_SendMedia::Flag::f_schedule_date;
+	} else {
+		clientFlags |= MTPDmessage_ClientFlag::f_local_history_entry;
+	}
+
 	session->data().registerMessageRandomId(randomId, newId);
 
 	history->addNewLocalMessage(
 		newId.msg,
 		flags,
+		clientFlags,
 		0,
 		replyTo,
-		base::unixtime::now(),
+		HistoryItem::NewMessageDate(message.action.options.scheduled),
 		messageFromId,
 		messagePostAuthor,
 		media,
@@ -105,11 +115,12 @@ void SendExistingMedia(
 			MTP_flags(sendFlags),
 			peer->input,
 			MTP_int(replyTo),
-			inputMedia,
+			inputMedia(),
 			MTP_string(captionText),
 			MTP_long(randomId),
 			MTPReplyMarkup(),
-			sentEntities
+			sentEntities,
+			MTP_int(message.action.options.scheduled)
 		)).done([=](const MTPUpdates &result) {
 			api->applyUpdates(result, randomId);
 		}).fail([=](const RPCError &error) {
@@ -124,46 +135,36 @@ void SendExistingMedia(
 				if (media->fileReference() != usedFileReference) {
 					performRequest();
 				} else {
-					api->sendMessageFail(error, peer, newId);
+					api->sendMessageFail(error, peer, randomId, newId);
 				}
 			});
 		} else {
-			api->sendMessageFail(error, peer, newId);
+			api->sendMessageFail(error, peer, randomId, newId);
 		}
 	};
 	performRequest();
 
 	if (const auto main = App::main()) {
-		main->finishForwarding(history, options.silent);
+		main->finishForwarding(message.action);
 	}
 }
 
 } // namespace
 
 void SendExistingDocument(
-		not_null<History*> history,
-		not_null<DocumentData*> document,
-		bool silent) {
-	SendExistingDocument(history, document, {}, 0, silent);
-}
-
-void SendExistingDocument(
-		not_null<History*> history,
-		not_null<DocumentData*> document,
-		TextWithEntities caption,
-		MsgId replyToId,
-		bool silent) {
-	SendExistingMedia(
-		history,
-		document,
-		MTP_inputMediaDocument(
+		Api::MessageToSend &&message,
+		not_null<DocumentData*> document) {
+	const auto inputMedia = [=] {
+		return MTP_inputMediaDocument(
 			MTP_flags(0),
 			document->mtpInput(),
-			MTPint()),
-		document->stickerOrGifOrigin(),
-		caption,
-		replyToId,
-		silent);
+			MTPint());
+	};
+	SendExistingMedia(
+		std::move(message),
+		document,
+		inputMedia,
+		document->stickerOrGifOrigin());
 
 	if (document->sticker()) {
 		if (const auto main = App::main()) {
@@ -174,29 +175,19 @@ void SendExistingDocument(
 }
 
 void SendExistingPhoto(
-		not_null<History*> history,
-		not_null<PhotoData*> photo,
-		bool silent) {
-	SendExistingPhoto(history, photo, {}, 0, silent);
-}
-
-void SendExistingPhoto(
-		not_null<History*> history,
-		not_null<PhotoData*> photo,
-		TextWithEntities caption,
-		MsgId replyToId,
-		bool silent) {
-	SendExistingMedia(
-		history,
-		photo,
-		MTP_inputMediaPhoto(
+		Api::MessageToSend &&message,
+		not_null<PhotoData*> photo) {
+	const auto inputMedia = [=] {
+		return MTP_inputMediaPhoto(
 			MTP_flags(0),
 			photo->mtpInput(),
-			MTPint()),
-		Data::FileOrigin(),
-		caption,
-		replyToId,
-		silent);
+			MTPint());
+	};
+	SendExistingMedia(
+		std::move(message),
+		photo,
+		inputMedia,
+		Data::FileOrigin());
 }
 
 } // namespace Api

Telegram/SourceFiles/api/api_sending.h

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

Telegram/SourceFiles/apiwrap.cpp

@@ -15,11 +15,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_media_types.h"
 #include "data/data_sparse_ids.h"
 #include "data/data_search_controller.h"
+#include "data/data_scheduled_messages.h"
 #include "data/data_channel_admins.h"
 #include "data/data_session.h"
 #include "data/data_channel.h"
 #include "data/data_chat.h"
 #include "data/data_user.h"
+#include "data/data_cloud_themes.h"
 #include "dialogs/dialogs_key.h"
 #include "core/core_cloud_password.h"
 #include "core/application.h"
@@ -156,19 +158,13 @@ MTPVector<MTPDocumentAttribute> ComposeSendingDocumentAttributes(
 
 } // namespace
 
-ApiWrap::SendOptions::SendOptions(not_null<History*> history)
-: history(history) {
-}
-
-ApiWrap::MessageToSend::MessageToSend(not_null<History*> history)
-: history(history) {
-}
-
 MTPInputPrivacyKey ApiWrap::Privacy::Input(Key key) {
 	switch (key) {
 	case Privacy::Key::Calls: return MTP_inputPrivacyKeyPhoneCall();
 	case Privacy::Key::Invites: return MTP_inputPrivacyKeyChatInvite();
 	case Privacy::Key::PhoneNumber: return MTP_inputPrivacyKeyPhoneNumber();
+	case Privacy::Key::AddedByPhone:
+		return MTP_inputPrivacyKeyAddedByPhone();
 	case Privacy::Key::LastSeen:
 		return MTP_inputPrivacyKeyStatusTimestamp();
 	case Privacy::Key::CallsPeer2Peer:
@@ -187,6 +183,8 @@ std::optional<ApiWrap::Privacy::Key> ApiWrap::Privacy::KeyFromMTP(
 	switch (type) {
 	case mtpc_privacyKeyPhoneNumber:
 	case mtpc_inputPrivacyKeyPhoneNumber: return Key::PhoneNumber;
+	case mtpc_privacyKeyAddedByPhone:
+	case mtpc_inputPrivacyKeyAddedByPhone: return Key::AddedByPhone;
 	case mtpc_privacyKeyStatusTimestamp:
 	case mtpc_inputPrivacyKeyStatusTimestamp: return Key::LastSeen;
 	case mtpc_privacyKeyChatInvite:
@@ -544,6 +542,7 @@ void ApiWrap::toggleHistoryArchived(
 void ApiWrap::sendMessageFail(
 		const RPCError &error,
 		not_null<PeerData*> peer,
+		uint64 randomId,
 		FullMsgId itemId) {
 	if (error.type() == qstr("PEER_FLOOD")) {
 		Ui::show(Box<InformBox>(
@@ -561,11 +560,17 @@ void ApiWrap::sendMessageFail(
 		const auto left = error.type().mid(chop).toInt();
 		if (const auto channel = peer->asChannel()) {
 			const auto seconds = channel->slowmodeSeconds();
-			channel->growSlowmodeLastMessage(
-				base::unixtime::now() - (left - seconds));
+			if (seconds >= left) {
+				channel->growSlowmodeLastMessage(
+					base::unixtime::now() - (left - seconds));
+			} else {
+				requestFullPeer(peer);
+			}
 		}
 	}
 	if (const auto item = _session->data().message(itemId)) {
+		Assert(randomId != 0);
+		session().data().unregisterMessageRandomId(randomId);
 		item->sendFailed();
 	}
 }
@@ -2996,7 +3001,13 @@ void ApiWrap::refreshFileReference(
 	};
 	origin.data.match([&](Data::FileOriginMessage data) {
 		if (const auto item = _session->data().message(data)) {
-			if (const auto channel = item->history()->peer->asChannel()) {
+			if (item->isScheduled()) {
+				const auto &scheduled = session().data().scheduledMessages();
+				const auto realId = scheduled.lookupId(item);
+				request(MTPmessages_GetScheduledMessages(
+					item->history()->peer->input,
+					MTP_vector<MTPint>(1, MTP_int(realId))));
+			} else if (const auto channel = item->history()->peer->asChannel()) {
 				request(MTPchannels_GetMessages(
 					channel->inputChannel,
 					MTP_vector<MTPInputMessage>(
@@ -3053,6 +3064,13 @@ void ApiWrap::refreshFileReference(
 			MTP_inputWallPaper(
 				MTP_long(data.paperId),
 				MTP_long(data.accessHash))));
+	}, [&](Data::FileOriginTheme data) {
+		request(MTPaccount_GetTheme(
+			MTP_string(Data::CloudThemes::Format()),
+			MTP_inputTheme(
+				MTP_long(data.themeId),
+				MTP_long(data.accessHash)),
+			MTP_long(0)));
 	}, [&](std::nullopt_t) {
 		fail();
 	});
@@ -3103,6 +3121,7 @@ void ApiWrap::gotWebPages(ChannelData *channel, const MTPmessages_Messages &msgs
 	for (const auto &[position, index] : indices) {
 		const auto item = _session->data().addNewMessage(
 			v->at(index),
+			MTPDmessage_ClientFlags(),
 			NewMessageType::Existing);
 		if (item) {
 			_session->data().requestItemResize(item);
@@ -3548,7 +3567,8 @@ void ApiWrap::applyUpdatesNoPtsCheck(const MTPUpdates &updates) {
 	switch (updates.type()) {
 	case mtpc_updateShortMessage: {
 		const auto &d = updates.c_updateShortMessage();
-		const auto flags = mtpCastFlags(d.vflags().v) | MTPDmessage::Flag::f_from_id;
+		const auto flags = mtpCastFlags(d.vflags().v)
+			| MTPDmessage::Flag::f_from_id;
 		const auto peerUserId = d.is_out()
 			? d.vuser_id()
 			: MTP_int(_session->userId());
@@ -3570,7 +3590,10 @@ void ApiWrap::applyUpdatesNoPtsCheck(const MTPUpdates &updates) {
 				MTPint(),
 				MTPint(),
 				MTPstring(),
-				MTPlong()),
+				MTPlong(),
+				//MTPMessageReactions(),
+				MTPVector<MTPRestrictionReason>()),
+			MTPDmessage_ClientFlags(),
 			NewMessageType::Unread);
 	} break;
 
@@ -3595,7 +3618,10 @@ void ApiWrap::applyUpdatesNoPtsCheck(const MTPUpdates &updates) {
 				MTPint(),
 				MTPint(),
 				MTPstring(),
-				MTPlong()),
+				MTPlong(),
+				//MTPMessageReactions(),
+				MTPVector<MTPRestrictionReason>()),
+			MTPDmessage_ClientFlags(),
 			NewMessageType::Unread);
 	} break;
 
@@ -3620,7 +3646,10 @@ void ApiWrap::applyUpdateNoPtsCheck(const MTPUpdate &update) {
 			}
 		}
 		if (needToAdd) {
-			_session->data().addNewMessage(d.vmessage(), NewMessageType::Unread);
+			_session->data().addNewMessage(
+				d.vmessage(),
+				MTPDmessage_ClientFlags(),
+				NewMessageType::Unread);
 		}
 	} break;
 
@@ -3709,7 +3738,10 @@ void ApiWrap::applyUpdateNoPtsCheck(const MTPUpdate &update) {
 			}
 		}
 		if (needToAdd) {
-			_session->data().addNewMessage(d.vmessage(), NewMessageType::Unread);
+			_session->data().addNewMessage(
+				d.vmessage(),
+				MTPDmessage_ClientFlags(),
+				NewMessageType::Unread);
 		}
 	} break;
 
@@ -4368,15 +4400,15 @@ void ApiWrap::userPhotosDone(
 //	)).send();
 //}
 
-void ApiWrap::sendAction(const SendOptions &options) {
-	readServerHistory(options.history);
-	options.history->getReadyFor(ShowAtTheEndMsgId);
-	_sendActions.fire_copy(options);
+void ApiWrap::sendAction(const SendAction &action) {
+	readServerHistory(action.history);
+	action.history->getReadyFor(ShowAtTheEndMsgId);
+	_sendActions.fire_copy(action);
 }
 
 void ApiWrap::forwardMessages(
 		HistoryItemsList &&items,
-		const SendOptions &options,
+		const SendAction &action,
 		FnMut<void()> &&successCallback) {
 	Expects(!items.empty());
 
@@ -4392,17 +4424,18 @@ void ApiWrap::forwardMessages(
 	}
 
 	const auto count = int(items.size());
-	const auto genClientSideMessage = options.generateLocal && (count < 2);
-	const auto history = options.history;
+	const auto genClientSideMessage = action.generateLocal && (count < 2);
+	const auto history = action.history;
 	const auto peer = history->peer;
 
 	readServerHistory(history);
 
 	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
-	const auto silentPost = options.silent
+	const auto silentPost = action.options.silent
 		|| (channelPost && _session->data().notifySilentPosts(peer));
 
 	auto flags = MTPDmessage::Flags(0);
+	auto clientFlags = MTPDmessage_ClientFlags();
 	auto sendFlags = MTPmessages_ForwardMessages::Flags(0);
 	if (channelPost) {
 		flags |= MTPDmessage::Flag::f_views;
@@ -4416,12 +4449,18 @@ void ApiWrap::forwardMessages(
 	if (silentPost) {
 		sendFlags |= MTPmessages_ForwardMessages::Flag::f_silent;
 	}
+	if (action.options.scheduled) {
+		flags |= MTPDmessage::Flag::f_from_scheduled;
+		sendFlags |= MTPmessages_ForwardMessages::Flag::f_schedule_date;
+	} else {
+		clientFlags |= MTPDmessage_ClientFlag::f_local_history_entry;
+	}
 
 	auto forwardFrom = items.front()->history()->peer;
 	auto currentGroupId = items.front()->groupId();
 	auto ids = QVector<MTPint>();
 	auto randomIds = QVector<MTPlong>();
-	auto localIds = std::unique_ptr<std::vector<FullMsgId>>();
+	auto localIds = std::unique_ptr<base::flat_map<uint64, FullMsgId>>();
 
 	const auto sendAccumulated = [&] {
 		if (shared) {
@@ -4436,7 +4475,8 @@ void ApiWrap::forwardMessages(
 			forwardFrom->input,
 			MTP_vector<MTPint>(ids),
 			MTP_vector<MTPlong>(randomIds),
-			peer->input
+			peer->input,
+			MTP_int(action.options.scheduled)
 		)).done([=, callback = std::move(successCallback)](
 				const MTPUpdates &updates) {
 			applyUpdates(updates);
@@ -4445,8 +4485,8 @@ void ApiWrap::forwardMessages(
 			}
 		}).fail([=, ids = std::move(localIds)](const RPCError &error) {
 			if (ids) {
-				for (const auto &itemId : *ids) {
-					sendMessageFail(error, peer, itemId);
+				for (const auto &[randomId, itemId] : *ids) {
+					sendMessageFail(error, peer, randomId, itemId);
 				}
 			} else {
 				sendMessageFail(error, peer);
@@ -4463,12 +4503,12 @@ void ApiWrap::forwardMessages(
 	ids.reserve(count);
 	randomIds.reserve(count);
 	for (const auto item : items) {
-		auto randomId = rand_value<uint64>();
+		const auto randomId = rand_value<uint64>();
 		if (genClientSideMessage) {
 			if (const auto message = item->toHistoryMessage()) {
 				const auto newId = FullMsgId(
 					peerToChannel(peer->id),
-					clientMsgId());
+					session().data().nextLocalMessageId());
 				const auto self = _session->user();
 				const auto messageFromId = channelPost
 					? UserId(0)
@@ -4479,15 +4519,16 @@ void ApiWrap::forwardMessages(
 				history->addNewLocalMessage(
 					newId.msg,
 					flags,
-					base::unixtime::now(),
+					clientFlags,
+					HistoryItem::NewMessageDate(action.options.scheduled),
 					messageFromId,
 					messagePostAuthor,
 					message);
 				_session->data().registerMessageRandomId(randomId, newId);
 				if (!localIds) {
-					localIds = std::make_unique<std::vector<FullMsgId>>();
+					localIds = std::make_unique<base::flat_map<uint64, FullMsgId>>();
 				}
-				localIds->push_back(newId);
+				localIds->emplace(randomId, newId);
 			}
 		}
 		const auto newFrom = item->history()->peer;
@@ -4509,14 +4550,14 @@ void ApiWrap::shareContact(
 		const QString &phone,
 		const QString &firstName,
 		const QString &lastName,
-		const SendOptions &options) {
+		const SendAction &action) {
 	const auto userId = UserId(0);
-	sendSharedContact(phone, firstName, lastName, userId, options);
+	sendSharedContact(phone, firstName, lastName, userId, action);
 }
 
 void ApiWrap::shareContact(
 		not_null<UserData*> user,
-		const SendOptions &options) {
+		const SendAction &action) {
 	const auto userId = peerToUser(user->id);
 	const auto phone = _session->data().findContactPhone(user);
 	if (phone.isEmpty()) {
@@ -4527,7 +4568,7 @@ void ApiWrap::shareContact(
 		user->firstName,
 		user->lastName,
 		userId,
-		options);
+		action);
 }
 
 void ApiWrap::sendSharedContact(
@@ -4535,17 +4576,20 @@ void ApiWrap::sendSharedContact(
 		const QString &firstName,
 		const QString &lastName,
 		UserId userId,
-		const SendOptions &options) {
-	sendAction(options);
+		const SendAction &action) {
+	sendAction(action);
 
-	const auto history = options.history;
+	const auto history = action.history;
 	const auto peer = history->peer;
 
-	const auto newId = FullMsgId(history->channelId(), clientMsgId());
+	const auto newId = FullMsgId(
+		history->channelId(),
+		session().data().nextLocalMessageId());
 	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
 
 	auto flags = NewMessageFlags(peer) | MTPDmessage::Flag::f_media;
-	if (options.replyTo) {
+	auto clientFlags = NewMessageClientFlags();
+	if (action.replyTo) {
 		flags |= MTPDmessage::Flag::f_reply_to_msg_id;
 	}
 	if (channelPost) {
@@ -4557,6 +4601,11 @@ void ApiWrap::sendSharedContact(
 	} else {
 		flags |= MTPDmessage::Flag::f_from_id;
 	}
+	if (action.options.scheduled) {
+		flags |= MTPDmessage::Flag::f_from_scheduled;
+	} else {
+		clientFlags |= MTPDmessage_ClientFlag::f_local_history_entry;
+	}
 	const auto messageFromId = channelPost ? 0 : _session->userId();
 	const auto messagePostAuthor = channelPost
 		? App::peerName(_session->user())
@@ -4571,8 +4620,8 @@ void ApiWrap::sendSharedContact(
 			peerToMTP(peer->id),
 			MTPMessageFwdHeader(),
 			MTPint(),
-			MTP_int(options.replyTo),
-			MTP_int(base::unixtime::now()),
+			MTP_int(action.replyTo),
+			MTP_int(HistoryItem::NewMessageDate(action.options.scheduled)),
 			MTP_string(),
 			MTP_messageMediaContact(
 				MTP_string(phone),
@@ -4585,7 +4634,10 @@ void ApiWrap::sendSharedContact(
 			MTP_int(views),
 			MTPint(),
 			MTP_string(messagePostAuthor),
-			MTPlong()),
+			MTPlong(),
+			//MTPMessageReactions(),
+			MTPVector<MTPRestrictionReason>()),
+		clientFlags,
 		NewMessageType::Unread);
 
 	const auto media = MTP_inputMediaContact(
@@ -4593,7 +4645,9 @@ void ApiWrap::sendSharedContact(
 		MTP_string(firstName),
 		MTP_string(lastName),
 		MTP_string(vcard));
-	sendMedia(item, media, _session->data().notifySilentPosts(peer));
+	auto options = action.options;
+	options.silent = _session->data().notifySilentPosts(peer);
+	sendMedia(item, media, options);
 
 	if (const auto main = App::main()) {
 		_session->data().sendHistoryChangeNotifications();
@@ -4606,9 +4660,9 @@ void ApiWrap::sendVoiceMessage(
 		QByteArray result,
 		VoiceWaveform waveform,
 		int duration,
-		const SendOptions &options) {
+		const SendAction &action) {
 	const auto caption = TextWithTags();
-	const auto to = fileLoadTaskOptions(options);
+	const auto to = fileLoadTaskOptions(action);
 	_fileLoader->addTask(std::make_unique<FileLoadTask>(
 		result,
 		duration,
@@ -4621,12 +4675,12 @@ void ApiWrap::editMedia(
 		Storage::PreparedList &&list,
 		SendMediaType type,
 		TextWithTags &&caption,
-		const SendOptions &options,
+		const SendAction &action,
 		MsgId msgIdToEdit) {
 	if (list.files.empty()) return;
 
 	auto &file = list.files.front();
-	const auto to = fileLoadTaskOptions(options);
+	const auto to = fileLoadTaskOptions(action);
 	_fileLoader->addTask(std::make_unique<FileLoadTask>(
 		file.path,
 		file.content,
@@ -4643,22 +4697,22 @@ void ApiWrap::sendFiles(
 		SendMediaType type,
 		TextWithTags &&caption,
 		std::shared_ptr<SendingAlbum> album,
-		const SendOptions &options) {
+		const SendAction &action) {
 	const auto haveCaption = !caption.text.isEmpty();
 	const auto isAlbum = (album != nullptr);
 	const auto compressImages = (type == SendMediaType::Photo);
 	if (haveCaption && !list.canAddCaption(isAlbum, compressImages)) {
-		auto message = MessageToSend(options.history);
+		auto message = MessageToSend(action.history);
 		message.textWithTags = std::move(caption);
-		message.replyTo = options.replyTo;
-		message.clearDraft = false;
+		message.action = action;
+		message.action.clearDraft = false;
 		sendMessage(std::move(message));
 		caption = TextWithTags();
 	}
 
-	const auto to = fileLoadTaskOptions(options);
+	const auto to = fileLoadTaskOptions(action);
 	if (album) {
-		album->silent = to.silent;
+		album->options = to.options;
 	}
 	auto tasks = std::vector<std::unique_ptr<Task>>();
 	tasks.reserve(list.files.size());
@@ -4697,8 +4751,8 @@ void ApiWrap::sendFiles(
 void ApiWrap::sendFile(
 		const QByteArray &fileContent,
 		SendMediaType type,
-		const SendOptions &options) {
-	const auto to = fileLoadTaskOptions(options);
+		const SendAction &action) {
+	const auto to = fileLoadTaskOptions(action);
 	auto caption = TextWithTags();
 	_fileLoader->addTask(std::make_unique<FileLoadTask>(
 		QString(),
@@ -4712,7 +4766,7 @@ void ApiWrap::sendFile(
 void ApiWrap::sendUploadedPhoto(
 		FullMsgId localId,
 		const MTPInputFile &file,
-		bool silent) {
+		Api::SendOptions options) {
 	if (const auto item = _session->data().message(localId)) {
 		const auto media = MTP_inputMediaUploadedPhoto(
 			MTP_flags(0),
@@ -4722,7 +4776,7 @@ void ApiWrap::sendUploadedPhoto(
 		if (const auto groupId = item->groupId()) {
 			uploadAlbumMedia(item, groupId, media);
 		} else {
-			sendMedia(item, media, silent);
+			sendMedia(item, media, options);
 		}
 	}
 }
@@ -4731,7 +4785,7 @@ void ApiWrap::sendUploadedDocument(
 		FullMsgId localId,
 		const MTPInputFile &file,
 		const std::optional<MTPInputFile> &thumb,
-		bool silent) {
+		Api::SendOptions options) {
 	if (const auto item = _session->data().message(localId)) {
 		auto media = item->media();
 		if (auto document = media ? media->document() : nullptr) {
@@ -4754,7 +4808,7 @@ void ApiWrap::sendUploadedDocument(
 			if (groupId) {
 				uploadAlbumMedia(item, groupId, media);
 			} else {
-				sendMedia(item, media, silent);
+				sendMedia(item, media, options);
 			}
 		}
 	}
@@ -4764,7 +4818,7 @@ void ApiWrap::editUploadedFile(
 		FullMsgId localId,
 		const MTPInputFile &file,
 		const std::optional<MTPInputFile> &thumb,
-		bool silent,
+		Api::SendOptions options,
 		bool isDocument) {
 	const auto item = _session->data().message(localId);
 	if (!item) {
@@ -4829,7 +4883,8 @@ void ApiWrap::editUploadedFile(
 		MTP_string(item->originalText().text),
 		*media,
 		MTPReplyMarkup(),
-		sentEntities
+		sentEntities,
+		MTP_int(0) // schedule_date
 	)).done([=](const MTPUpdates &result) {
 		item->clearSavedMedia();
 		item->setIsLocalUpdateMedia(true);
@@ -4861,18 +4916,13 @@ void ApiWrap::cancelLocalItem(not_null<HistoryItem*> item) {
 }
 
 void ApiWrap::sendMessage(MessageToSend &&message) {
-	const auto history = message.history;
+	const auto history = message.action.history;
 	const auto peer = history->peer;
 	auto &textWithTags = message.textWithTags;
 
-	auto options = ApiWrap::SendOptions(history);
-	options.clearDraft = message.clearDraft;
-	options.replyTo = message.replyTo;
-	options.silent = message.silent;
-	options.generateLocal = true;
-	options.webPageId = message.webPageId;
-	options.handleSupportSwitch = message.handleSupportSwitch;
-	sendAction(options);
+	auto action = message.action;
+	action.generateLocal = true;
+	sendAction(action);
 
 	if (!peer->canWrite()) {
 		return;
@@ -4892,7 +4942,9 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 	HistoryItem *lastMessage = nullptr;
 
 	while (TextUtilities::CutPart(sending, left, MaxMessageSize)) {
-		auto newId = FullMsgId(peerToChannel(peer->id), clientMsgId());
+		auto newId = FullMsgId(
+			peerToChannel(peer->id),
+			session().data().nextLocalMessageId());
 		auto randomId = rand_value<uint64>();
 
 		TextUtilities::Trim(sending);
@@ -4902,8 +4954,9 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 
 		MTPstring msgText(MTP_string(sending.text));
 		auto flags = NewMessageFlags(peer) | MTPDmessage::Flag::f_entities;
+		auto clientFlags = NewMessageClientFlags();
 		auto sendFlags = MTPmessages_SendMessage::Flags(0);
-		if (message.replyTo) {
+		if (action.replyTo) {
 			flags |= MTPDmessage::Flag::f_reply_to_msg_id;
 			sendFlags |= MTPmessages_SendMessage::Flag::f_reply_to_msg_id;
 		}
@@ -4919,7 +4972,7 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 			flags |= MTPDmessage::Flag::f_media;
 		}
 		const auto channelPost = peer->isChannel() && !peer->isMegagroup();
-		const auto silentPost = message.silent
+		const auto silentPost = action.options.silent
 			|| (channelPost && _session->data().notifySilentPosts(peer));
 		if (channelPost) {
 			flags |= MTPDmessage::Flag::f_views;
@@ -4938,7 +4991,7 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 		if (!sentEntities.v.isEmpty()) {
 			sendFlags |= MTPmessages_SendMessage::Flag::f_entities;
 		}
-		if (message.clearDraft) {
+		if (action.clearDraft) {
 			sendFlags |= MTPmessages_SendMessage::Flag::f_clear_draft;
 			history->clearCloudDraft();
 			history->setSentDraftText(QString());
@@ -4947,6 +5000,12 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 		auto messagePostAuthor = channelPost
 			? App::peerName(_session->user())
 			: QString();
+		if (action.options.scheduled) {
+			flags |= MTPDmessage::Flag::f_from_scheduled;
+			sendFlags |= MTPmessages_SendMessage::Flag::f_schedule_date;
+		} else {
+			clientFlags |= MTPDmessage_ClientFlag::f_local_history_entry;
+		}
 		lastMessage = history->addNewMessage(
 			MTP_message(
 				MTP_flags(flags),
@@ -4955,8 +5014,9 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 				peerToMTP(peer->id),
 				MTPMessageFwdHeader(),
 				MTPint(),
-				MTP_int(message.replyTo),
-				MTP_int(base::unixtime::now()),
+				MTP_int(action.replyTo),
+				MTP_int(
+					HistoryItem::NewMessageDate(action.options.scheduled)),
 				msgText,
 				media,
 				MTPReplyMarkup(),
@@ -4964,16 +5024,20 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 				MTP_int(1),
 				MTPint(),
 				MTP_string(messagePostAuthor),
-				MTPlong()),
+				MTPlong(),
+				//MTPMessageReactions(),
+				MTPVector<MTPRestrictionReason>()),
+			clientFlags,
 			NewMessageType::Unread);
 		history->sendRequestId = request(MTPmessages_SendMessage(
 			MTP_flags(sendFlags),
 			peer->input,
-			MTP_int(message.replyTo),
+			MTP_int(action.replyTo),
 			msgText,
 			MTP_long(randomId),
 			MTPReplyMarkup(),
-			sentEntities
+			sentEntities,
+			MTP_int(action.options.scheduled)
 		)).done([=](const MTPUpdates &result) {
 			applyUpdates(result, randomId);
 			history->clearSentDraftText(QString());
@@ -4981,7 +5045,7 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 			if (error.type() == qstr("MESSAGE_EMPTY")) {
 				lastMessage->destroy();
 			} else {
-				sendMessageFail(error, peer, newId);
+				sendMessageFail(error, peer, randomId, newId);
 			}
 			history->clearSentDraftText(QString());
 		}).afterRequest(history->sendRequestId
@@ -4989,7 +5053,7 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 	}
 
 	if (const auto main = App::main()) {
-		main->finishForwarding(history, message.silent);
+		main->finishForwarding(action);
 	}
 }
 
@@ -5028,22 +5092,25 @@ void ApiWrap::sendBotStart(not_null<UserData*> bot, PeerData *chat) {
 void ApiWrap::sendInlineResult(
 		not_null<UserData*> bot,
 		not_null<InlineBots::Result*> data,
-		const SendOptions &options) {
-	sendAction(options);
+		const SendAction &action) {
+	sendAction(action);
 
-	const auto history = options.history;
+	const auto history = action.history;
 	const auto peer = history->peer;
-	const auto newId = FullMsgId(peerToChannel(peer->id), clientMsgId());
+	const auto newId = FullMsgId(
+		peerToChannel(peer->id),
+		session().data().nextLocalMessageId());
 	const auto randomId = rand_value<uint64>();
 
 	auto flags = NewMessageFlags(peer) | MTPDmessage::Flag::f_media;
+	auto clientFlags = NewMessageClientFlags();
 	auto sendFlags = MTPmessages_SendInlineBotResult::Flag::f_clear_draft | 0;
-	if (options.replyTo) {
+	if (action.replyTo) {
 		flags |= MTPDmessage::Flag::f_reply_to_msg_id;
 		sendFlags |= MTPmessages_SendInlineBotResult::Flag::f_reply_to_msg_id;
 	}
 	bool channelPost = peer->isChannel() && !peer->isMegagroup();
-	bool silentPost = options.silent
+	bool silentPost = action.options.silent
 		|| (channelPost && _session->data().notifySilentPosts(peer));
 	if (channelPost) {
 		flags |= MTPDmessage::Flag::f_views;
@@ -5060,25 +5127,29 @@ void ApiWrap::sendInlineResult(
 	if (bot) {
 		flags |= MTPDmessage::Flag::f_via_bot_id;
 	}
+	if (action.options.scheduled) {
+		flags |= MTPDmessage::Flag::f_from_scheduled;
+		sendFlags |= MTPmessages_SendInlineBotResult::Flag::f_schedule_date;
+	} else {
+		clientFlags |= MTPDmessage_ClientFlag::f_local_history_entry;
+	}
 
-	auto messageFromId = channelPost ? 0 : _session->userId();
-	auto messagePostAuthor = channelPost
+	const auto messageFromId = channelPost ? 0 : _session->userId();
+	const auto messagePostAuthor = channelPost
 		? App::peerName(_session->user())
 		: QString();
-	MTPint messageDate = MTP_int(base::unixtime::now());
-	UserId messageViaBotId = bot ? peerToUser(bot->id) : 0;
-	MsgId messageId = newId.msg;
 
 	_session->data().registerMessageRandomId(randomId, newId);
 
 	data->addToHistory(
 		history,
 		flags,
-		messageId,
+		clientFlags,
+		newId.msg,
 		messageFromId,
-		messageDate,
-		messageViaBotId,
-		options.replyTo,
+		MTP_int(HistoryItem::NewMessageDate(action.options.scheduled)),
+		bot ? peerToUser(bot->id) : 0,
+		action.replyTo,
 		messagePostAuthor);
 
 	history->clearCloudDraft();
@@ -5087,21 +5158,22 @@ void ApiWrap::sendInlineResult(
 	history->sendRequestId = request(MTPmessages_SendInlineBotResult(
 		MTP_flags(sendFlags),
 		peer->input,
-		MTP_int(options.replyTo),
+		MTP_int(action.replyTo),
 		MTP_long(randomId),
 		MTP_long(data->getQueryId()),
-		MTP_string(data->getId())
+		MTP_string(data->getId()),
+		MTP_int(action.options.scheduled)
 	)).done([=](const MTPUpdates &result) {
 		applyUpdates(result, randomId);
 		history->clearSentDraftText(QString());
 	}).fail([=](const RPCError &error) {
-		sendMessageFail(error, peer, newId);
+		sendMessageFail(error, peer, randomId, newId);
 		history->clearSentDraftText(QString());
 	}).afterRequest(history->sendRequestId
 	).send();
 
 	if (const auto main = App::main()) {
-		main->finishForwarding(history, options.silent);
+		main->finishForwarding(action);
 	}
 }
 
@@ -5183,17 +5255,17 @@ void ApiWrap::uploadAlbumMedia(
 void ApiWrap::sendMedia(
 		not_null<HistoryItem*> item,
 		const MTPInputMedia &media,
-		bool silent) {
+		Api::SendOptions options) {
 	const auto randomId = rand_value<uint64>();
 	_session->data().registerMessageRandomId(randomId, item->fullId());
 
-	sendMediaWithRandomId(item, media, silent, randomId);
+	sendMediaWithRandomId(item, media, options, randomId);
 }
 
 void ApiWrap::sendMediaWithRandomId(
 		not_null<HistoryItem*> item,
 		const MTPInputMedia &media,
-		bool silent,
+		Api::SendOptions options,
 		uint64 randomId) {
 	const auto history = item->history();
 	const auto replyTo = item->replyToId();
@@ -5208,11 +5280,14 @@ void ApiWrap::sendMediaWithRandomId(
 		| (replyTo
 			? MTPmessages_SendMedia::Flag::f_reply_to_msg_id
 			: MTPmessages_SendMedia::Flag(0))
-		| (silent
+		| (options.silent
 			? MTPmessages_SendMedia::Flag::f_silent
 			: MTPmessages_SendMedia::Flag(0))
 		| (!sentEntities.v.isEmpty()
 			? MTPmessages_SendMedia::Flag::f_entities
+			: MTPmessages_SendMedia::Flag(0))
+		| (options.scheduled
+			? MTPmessages_SendMedia::Flag::f_schedule_date
 			: MTPmessages_SendMedia::Flag(0));
 
 	const auto peer = history->peer;
@@ -5225,11 +5300,12 @@ void ApiWrap::sendMediaWithRandomId(
 		MTP_string(caption.text),
 		MTP_long(randomId),
 		MTPReplyMarkup(),
-		sentEntities
+		sentEntities,
+		MTP_int(options.scheduled)
 	)).done([=](const MTPUpdates &result) {
 		applyUpdates(result);
 	}).fail([=](const RPCError &error) {
-		sendMessageFail(error, peer, itemId);
+		sendMessageFail(error, peer, randomId, itemId);
 	}).afterRequest(
 		history->sendRequestId
 	).send();
@@ -5293,7 +5369,7 @@ void ApiWrap::sendAlbumIfReady(not_null<SendingAlbum*> album) {
 		sendMediaWithRandomId(
 			sample,
 			single.vmedia(),
-			album->silent,
+			album->options,
 			single.vrandom_id().v);
 		_sendingAlbums.remove(groupId);
 		return;
@@ -5304,22 +5380,26 @@ void ApiWrap::sendAlbumIfReady(not_null<SendingAlbum*> album) {
 		| (replyTo
 			? MTPmessages_SendMultiMedia::Flag::f_reply_to_msg_id
 			: MTPmessages_SendMultiMedia::Flag(0))
-		| (album->silent
+		| (album->options.silent
 			? MTPmessages_SendMultiMedia::Flag::f_silent
+			: MTPmessages_SendMultiMedia::Flag(0))
+		| (album->options.scheduled
+			? MTPmessages_SendMultiMedia::Flag::f_schedule_date
 			: MTPmessages_SendMultiMedia::Flag(0));
 	const auto peer = history->peer;
 	history->sendRequestId = request(MTPmessages_SendMultiMedia(
 		MTP_flags(flags),
 		peer->input,
 		MTP_int(replyTo),
-		MTP_vector<MTPInputSingleMedia>(medias)
+		MTP_vector<MTPInputSingleMedia>(medias),
+		MTP_int(album->options.scheduled)
 	)).done([=](const MTPUpdates &result) {
 		_sendingAlbums.remove(groupId);
 		applyUpdates(result);
 	}).fail([=](const RPCError &error) {
 		if (const auto album = _sendingAlbums.take(groupId)) {
 			for (const auto &item : (*album)->items) {
-				sendMessageFail(error, peer, item.msgId);
+				sendMessageFail(error, peer, item.randomId, item.msgId);
 			}
 		} else {
 			sendMessageFail(error, peer);
@@ -5329,36 +5409,22 @@ void ApiWrap::sendAlbumIfReady(not_null<SendingAlbum*> album) {
 	).send();
 }
 
-FileLoadTo ApiWrap::fileLoadTaskOptions(const SendOptions &options) const {
-	const auto peer = options.history->peer;
-	return FileLoadTo(
-		peer->id,
-		options.silent || _session->data().notifySilentPosts(peer),
-		options.replyTo);
-}
-
-void ApiWrap::requestSupportContact(FnMut<void(const MTPUser &)> callback) {
-	_supportContactCallbacks.push_back(std::move(callback));
-	if (_supportContactCallbacks.size() > 1) {
-		return;
+FileLoadTo ApiWrap::fileLoadTaskOptions(const SendAction &action) const {
+	const auto peer = action.history->peer;
+	auto options = action.options;
+	if (_session->data().notifySilentPosts(peer)) {
+		options.silent = true;
 	}
-	request(MTPhelp_GetSupport(
-	)).done([=](const MTPhelp_Support &result) {
-		result.match([&](const MTPDhelp_support &data) {
-			for (auto &handler : base::take(_supportContactCallbacks)) {
-				handler(data.vuser());
-			}
-		});
-	}).fail([=](const RPCError &error) {
-		_supportContactCallbacks.clear();
-	}).send();
+	return FileLoadTo(peer->id, action.options, action.replyTo);
 }
 
 void ApiWrap::uploadPeerPhoto(not_null<PeerData*> peer, QImage &&image) {
 	peer = peer->migrateToOrMe();
 	const auto ready = PreparePeerPhoto(peer->id, std::move(image));
 
-	const auto fakeId = FullMsgId(peerToChannel(peer->id), clientMsgId());
+	const auto fakeId = FullMsgId(
+		peerToChannel(peer->id),
+		session().data().nextLocalMessageId());
 	const auto already = ranges::find(
 		_peerPhotoUploads,
 		peer,
@@ -5766,30 +5832,33 @@ void ApiWrap::setSelfDestructDays(int days) {
 
 void ApiWrap::createPoll(
 		const PollData &data,
-		const SendOptions &options,
+		const SendAction &action,
 		FnMut<void()> done,
 		FnMut<void(const RPCError &error)> fail) {
-	sendAction(options);
+	sendAction(action);
 
-	const auto history = options.history;
+	const auto history = action.history;
 	const auto peer = history->peer;
 	auto sendFlags = MTPmessages_SendMedia::Flags(0);
-	if (options.replyTo) {
+	if (action.replyTo) {
 		sendFlags |= MTPmessages_SendMedia::Flag::f_reply_to_msg_id;
 	}
-	if (options.clearDraft) {
+	if (action.clearDraft) {
 		sendFlags |= MTPmessages_SendMedia::Flag::f_clear_draft;
 		history->clearLocalDraft();
 		history->clearCloudDraft();
 	}
 	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
-	const auto silentPost = options.silent
+	const auto silentPost = action.options.silent
 		|| (channelPost && _session->data().notifySilentPosts(peer));
 	if (silentPost) {
 		sendFlags |= MTPmessages_SendMedia::Flag::f_silent;
 	}
+	if (action.options.scheduled) {
+		sendFlags |= MTPmessages_SendMedia::Flag::f_schedule_date;
+	}
 
-	const auto replyTo = options.replyTo;
+	const auto replyTo = action.replyTo;
 	history->sendRequestId = request(MTPmessages_SendMedia(
 		MTP_flags(sendFlags),
 		peer->input,
@@ -5798,7 +5867,8 @@ void ApiWrap::createPoll(
 		MTP_string(),
 		MTP_long(rand_value<uint64>()),
 		MTPReplyMarkup(),
-		MTPVector<MTPMessageEntity>()
+		MTPVector<MTPMessageEntity>(),
+		MTP_int(action.options.scheduled)
 	)).done([=, done = std::move(done)](const MTPUpdates &result) mutable {
 		applyUpdates(result);
 		done();
@@ -5874,7 +5944,8 @@ void ApiWrap::closePoll(not_null<HistoryItem*> item) {
 		MTPstring(),
 		MTP_inputMediaPoll(PollDataToMTP(poll)),
 		MTPReplyMarkup(),
-		MTPVector<MTPMessageEntity>()
+		MTPVector<MTPMessageEntity>(),
+		MTP_int(0) // schedule_date
 	)).done([=](const MTPUpdates &result) {
 		_pollCloseRequestIds.erase(itemId);
 		applyUpdates(result);

Telegram/SourceFiles/apiwrap.h

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

Telegram/SourceFiles/app.cpp

@@ -47,6 +47,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "styles/style_history.h"
 #include "styles/style_boxes.h"
 
+#include <QtCore/QBuffer>
+#include <QtGui/QFontDatabase>
+
 #ifdef OS_MAC_OLD
 #include <libexif/exif-data.h>
 #endif // OS_MAC_OLD

Telegram/SourceFiles/base/openssl_help.h

@@ -57,19 +57,38 @@ private:
 
 class BigNum {
 public:
-	BigNum() : _data(BN_new()) {
+	BigNum() = default;
+	BigNum(const BigNum &other)
+	: _data((other.failed() || other.isZero())
+		? nullptr
+		: BN_dup(other.raw()))
+	, _failed(other._failed) {
 	}
-	BigNum(const BigNum &other) : BigNum() {
-		*this = other;
+	BigNum(BigNum &&other)
+	: _data(std::exchange(other._data, nullptr))
+	, _failed(std::exchange(other._failed, false)) {
 	}
 	BigNum &operator=(const BigNum &other) {
-		if (other.failed() || !BN_copy(raw(), other.raw())) {
+		if (other.failed()) {
 			_failed = true;
+		} else if (other.isZero()) {
+			clear();
+			_failed = false;
+		} else if (!_data) {
+			_data = BN_dup(other.raw());
+			_failed = false;
+		} else {
+			_failed = !BN_copy(raw(), other.raw());
 		}
 		return *this;
 	}
+	BigNum &operator=(BigNum &&other) {
+		std::swap(_data, other._data);
+		std::swap(_failed, other._failed);
+		return *this;
+	}
 	~BigNum() {
-		BN_clear_free(raw());
+		clear();
 	}
 
 	explicit BigNum(unsigned int word) : BigNum() {
@@ -79,64 +98,74 @@ public:
 		setBytes(bytes);
 	}
 
-	void setWord(unsigned int word) {
-		if (!BN_set_word(raw(), word)) {
-			_failed = true;
+	BigNum &setWord(unsigned int word) {
+		if (!word) {
+			clear();
+			_failed = false;
+		} else {
+			_failed = !BN_set_word(raw(), word);
 		}
+		return *this;
 	}
-	void setBytes(bytes::const_span bytes) {
-		if (!BN_bin2bn(
+	BigNum &setBytes(bytes::const_span bytes) {
+		if (bytes.empty()) {
+			clear();
+			_failed = false;
+		} else {
+			_failed = !BN_bin2bn(
 				reinterpret_cast<const unsigned char*>(bytes.data()),
 				bytes.size(),
-				raw())) {
-			_failed = true;
+				raw());
 		}
+		return *this;
 	}
 
-	void setAdd(const BigNum &a, const BigNum &b) {
+	BigNum &setAdd(const BigNum &a, const BigNum &b) {
 		if (a.failed() || b.failed()) {
 			_failed = true;
-		} else if (!BN_add(raw(), a.raw(), b.raw())) {
-			_failed = true;
+		} else {
+			_failed = !BN_add(raw(), a.raw(), b.raw());
 		}
+		return *this;
 	}
-	void setSub(const BigNum &a, const BigNum &b) {
+	BigNum &setSub(const BigNum &a, const BigNum &b) {
 		if (a.failed() || b.failed()) {
 			_failed = true;
-		} else if (!BN_sub(raw(), a.raw(), b.raw())) {
-			_failed = true;
+		} else {
+			_failed = !BN_sub(raw(), a.raw(), b.raw());
 		}
+		return *this;
 	}
-	void setSubWord(unsigned int word) {
-		if (failed()) {
-			return;
-		} else if (!BN_sub_word(raw(), word)) {
-			_failed = true;
-		}
-	}
-	void setMul(
+	BigNum &setMul(
 			const BigNum &a,
 			const BigNum &b,
 			const Context &context = Context()) {
 		if (a.failed() || b.failed()) {
 			_failed = true;
-		} else if (!BN_mul(raw(), a.raw(), b.raw(), context.raw())) {
-			_failed = true;
+		} else {
+			_failed = !BN_mul(raw(), a.raw(), b.raw(), context.raw());
 		}
+		return *this;
 	}
-	BN_ULONG setDivWord(BN_ULONG word) {
-		Expects(word != 0);
-		if (failed()) {
-			return (BN_ULONG)-1;
-		}
-
-		auto result = BN_div_word(raw(), word);
-		if (result == (BN_ULONG)-1) {
+	BigNum &setModAdd(
+			const BigNum &a,
+			const BigNum &b,
+			const BigNum &m,
+			const Context &context = Context()) {
+		if (a.failed() || b.failed() || m.failed()) {
 			_failed = true;
+		} else if (a.isNegative() || b.isNegative() || m.isNegative()) {
+			_failed = true;
+		} else if (!BN_mod_add(raw(), a.raw(), b.raw(), m.raw(), context.raw())) {
+			_failed = true;
+		} else if (isNegative()) {
+			_failed = true;
+		} else {
+			_failed = false;
 		}
-		return result;
+		return *this;
 	}
-	void setModSub(
+	BigNum &setModSub(
 			const BigNum &a,
 			const BigNum &b,
 			const BigNum &m,
@@ -149,9 +178,12 @@ public:
 			_failed = true;
 		} else if (isNegative()) {
 			_failed = true;
+		} else {
+			_failed = false;
 		}
+		return *this;
 	}
-	void setModMul(
+	BigNum &setModMul(
 			const BigNum &a,
 			const BigNum &b,
 			const BigNum &m,
@@ -164,9 +196,29 @@ public:
 			_failed = true;
 		} else if (isNegative()) {
 			_failed = true;
+		} else {
+			_failed = false;
 		}
+		return *this;
 	}
-	void setModExp(
+	BigNum &setModInverse(
+			const BigNum &a,
+			const BigNum &m,
+			const Context &context = Context()) {
+		if (a.failed() || m.failed()) {
+			_failed = true;
+		} else if (a.isNegative() || m.isNegative()) {
+			_failed = true;
+		} else if (!BN_mod_inverse(raw(), a.raw(), m.raw(), context.raw())) {
+			_failed = true;
+		} else if (isNegative()) {
+			_failed = true;
+		} else {
+			_failed = false;
+		}
+		return *this;
+	}
+	BigNum &setModExp(
 			const BigNum &base,
 			const BigNum &power,
 			const BigNum &m,
@@ -179,23 +231,34 @@ public:
 			_failed = true;
 		} else if (isNegative()) {
 			_failed = true;
+		} else {
+			_failed = false;
 		}
+		return *this;
 	}
 
-	bool isNegative() const {
-		return failed() ? false : BN_is_negative(raw());
+	[[nodiscard]] bool isZero() const {
+		return !failed() && (!_data || BN_is_zero(raw()));
 	}
 
-	bool isPrime(const Context &context = Context()) const {
-		if (failed()) {
+	[[nodiscard]] bool isOne() const {
+		return !failed() && _data && BN_is_one(raw());
+	}
+
+	[[nodiscard]] bool isNegative() const {
+		return !failed() && _data && BN_is_negative(raw());
+	}
+
+	[[nodiscard]] bool isPrime(const Context &context = Context()) const {
+		if (failed() || !_data) {
 			return false;
 		}
 		constexpr auto kMillerRabinIterationCount = 30;
-		auto result = BN_is_prime_ex(
+		const auto result = BN_is_prime_ex(
 			raw(),
 			kMillerRabinIterationCount,
 			context.raw(),
-			NULL);
+			nullptr);
 		if (result == 1) {
 			return true;
 		} else if (result != 0) {
@@ -204,27 +267,42 @@ public:
 		return false;
 	}
 
-	BN_ULONG modWord(BN_ULONG word) const {
-		Expects(word != 0);
+	BigNum &subWord(unsigned int word) {
 		if (failed()) {
-			return (BN_ULONG)-1;
+			return *this;
+		} else if (!BN_sub_word(raw(), word)) {
+			_failed = true;
 		}
+		return *this;
+	}
+	BigNum &divWord(BN_ULONG word, BN_ULONG *mod = nullptr) {
+		Expects(word != 0);
 
-		auto result = BN_mod_word(raw(), word);
+		const auto result = failed()
+			? (BN_ULONG)-1
+			: BN_div_word(raw(), word);
 		if (result == (BN_ULONG)-1) {
 			_failed = true;
 		}
-		return result;
+		if (mod) {
+			*mod = result;
+		}
+		return *this;
+	}
+	[[nodiscard]] BN_ULONG countModWord(BN_ULONG word) const {
+		Expects(word != 0);
+
+		return failed() ? (BN_ULONG)-1 : BN_mod_word(raw(), word);
 	}
 
-	int bitsSize() const {
+	[[nodiscard]] int bitsSize() const {
 		return failed() ? 0 : BN_num_bits(raw());
 	}
-	int bytesSize() const {
+	[[nodiscard]] int bytesSize() const {
 		return failed() ? 0 : BN_num_bytes(raw());
 	}
 
-	bytes::vector getBytes() const {
+	[[nodiscard]] bytes::vector getBytes() const {
 		if (failed()) {
 			return {};
 		}
@@ -237,73 +315,84 @@ public:
 		return result;
 	}
 
-	BIGNUM *raw() {
+	[[nodiscard]] BIGNUM *raw() {
+		if (!_data) _data = BN_new();
 		return _data;
 	}
-	const BIGNUM *raw() const {
+	[[nodiscard]] const BIGNUM *raw() const {
+		if (!_data) _data = BN_new();
 		return _data;
 	}
-	BIGNUM *takeRaw() {
-		return base::take(_data);
+	[[nodiscard]] BIGNUM *takeRaw() {
+		return _failed
+			? nullptr
+			: _data
+			? std::exchange(_data, nullptr)
+			: BN_new();
 	}
 
-	bool failed() const {
+	[[nodiscard]] bool failed() const {
 		return _failed;
 	}
 
-	static BigNum Add(const BigNum &a, const BigNum &b) {
-		BigNum result;
-		result.setAdd(a, b);
-		return result;
+	[[nodiscard]] static BigNum Add(const BigNum &a, const BigNum &b) {
+		return BigNum().setAdd(a, b);
 	}
-	static BigNum Sub(const BigNum &a, const BigNum &b) {
-		BigNum result;
-		result.setSub(a, b);
-		return result;
+	[[nodiscard]] static BigNum Sub(const BigNum &a, const BigNum &b) {
+		return BigNum().setSub(a, b);
 	}
-	static BigNum Mul(
+	[[nodiscard]] static BigNum Mul(
 			const BigNum &a,
 			const BigNum &b,
 			const Context &context = Context()) {
-		BigNum result;
-		result.setMul(a, b, context);
-		return result;
+		return BigNum().setMul(a, b, context);
 	}
-	static BigNum ModSub(
+	[[nodiscard]] static BigNum ModAdd(
 			const BigNum &a,
 			const BigNum &b,
 			const BigNum &mod,
 			const Context &context = Context()) {
-		BigNum result;
-		result.setModSub(a, b, mod, context);
-		return result;
+		return BigNum().setModAdd(a, b, mod, context);
 	}
-	static BigNum ModMul(
+	[[nodiscard]] static BigNum ModSub(
 			const BigNum &a,
 			const BigNum &b,
 			const BigNum &mod,
 			const Context &context = Context()) {
-		BigNum result;
-		result.setModMul(a, b, mod, context);
-		return result;
+		return BigNum().setModSub(a, b, mod, context);
 	}
-	static BigNum ModExp(
+	[[nodiscard]] static BigNum ModMul(
+			const BigNum &a,
+			const BigNum &b,
+			const BigNum &mod,
+			const Context &context = Context()) {
+		return BigNum().setModMul(a, b, mod, context);
+	}
+	[[nodiscard]] static BigNum ModInverse(
+			const BigNum &a,
+			const BigNum &mod,
+			const Context &context = Context()) {
+		return BigNum().setModInverse(a, mod, context);
+	}
+	[[nodiscard]] static BigNum ModExp(
 			const BigNum &base,
 			const BigNum &power,
 			const BigNum &mod,
 			const Context &context = Context()) {
-		BigNum result;
-		result.setModExp(base, power, mod, context);
-		return result;
+		return BigNum().setModExp(base, power, mod, context);
 	}
-	static BigNum Failed() {
-		BigNum result;
+	[[nodiscard]] static BigNum Failed() {
+		auto result = BigNum();
 		result._failed = true;
 		return result;
 	}
 
 private:
-	BIGNUM *_data = nullptr;
+	void clear() {
+		BN_clear_free(std::exchange(_data, nullptr));
+	}
+
+	mutable BIGNUM *_data = nullptr;
 	mutable bool _failed = false;
 
 };

Telegram/SourceFiles/base/unixtime.cpp

@@ -13,6 +13,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include <QReadWriteLock>
 
 #ifdef Q_OS_WIN
+#include <windows.h>
 #elif defined Q_OS_MAC
 #include <mach/mach_time.h>
 #else

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

@@ -11,15 +11,32 @@ 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 "base/timer.h"
 #include "mainwidget.h"
 #include "mainwindow.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());
 }
@@ -269,6 +286,8 @@ AbstractBox::AbstractBox(
 	}, lifetime());
 }
 
+AbstractBox::~AbstractBox() = default;
+
 void AbstractBox::setLayerType(bool layerType) {
 	_layerType = layerType;
 	updateTitlePosition();
@@ -279,15 +298,35 @@ 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 +348,14 @@ 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) {
@@ -441,6 +488,36 @@ 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;
 

Telegram/SourceFiles/boxes/abstract_box.h

@@ -46,6 +46,7 @@ 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(
@@ -133,6 +134,9 @@ public:
 			std::move(clickCallback),
 			st);
 	}
+	void showLoading(bool show) {
+		getDelegate()->showLoading(show);
+	}
 	void updateButtonsGeometry() {
 		getDelegate()->updateButtonsPositions();
 	}
@@ -271,6 +275,7 @@ public:
 	AbstractBox(
 		not_null<Window::LayerStackWidget*> layer,
 		object_ptr<BoxContent> content);
+	~AbstractBox();
 
 	void parentResized() override;
 
@@ -294,6 +299,7 @@ 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 +338,20 @@ 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 +372,7 @@ 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;
 
 };
 

Telegram/SourceFiles/boxes/add_contact_box.cpp

@@ -41,9 +41,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "observer_peer.h"
 #include "main/main_session.h"
 
+#include <QtGui/QGuiApplication>
+#include <QtGui/QClipboard>
+
 namespace {
 
-constexpr auto kMaxGroupChannelTitle = 255; // See also edit_peer_info_box.
+constexpr auto kMaxGroupChannelTitle = 128; // See also edit_peer_info_box.
+constexpr auto kMaxUserFirstLastName = 64; // See also edit_contact_box.
 constexpr auto kMaxChannelDescription = 255; // See also edit_peer_info_box.
 constexpr auto kMinUsernameLength = 5;
 
@@ -58,6 +62,48 @@ bool IsValidPhone(QString phone) {
 				|| phone == qsl("4242")));
 }
 
+void ChatCreateDone(
+		not_null<Window::SessionNavigation*> navigation,
+		QImage image,
+		const MTPUpdates &updates) {
+	navigation->session().api().applyUpdates(updates);
+
+	auto success = base::make_optional(&updates)
+		| [](auto updates) -> std::optional<const QVector<MTPChat>*> {
+			switch (updates->type()) {
+			case mtpc_updates:
+				return &updates->c_updates().vchats().v;
+			case mtpc_updatesCombined:
+				return &updates->c_updatesCombined().vchats().v;
+			}
+			LOG(("API Error: unexpected update cons %1 "
+				"(GroupInfoBox::creationDone)").arg(updates->type()));
+			return std::nullopt;
+		}
+		| [](auto chats) {
+			return (!chats->empty()
+				&& chats->front().type() == mtpc_chat)
+				? base::make_optional(chats)
+				: std::nullopt;
+		}
+		| [&](auto chats) {
+			return navigation->session().data().chat(
+				chats->front().c_chat().vid().v);
+		}
+		| [&](not_null<ChatData*> chat) {
+			if (!image.isNull()) {
+				chat->session().api().uploadPeerPhoto(
+					chat,
+					std::move(image));
+			}
+			Ui::showPeerHistory(chat, ShowAtUnreadMsgId);
+		};
+	if (!success) {
+		LOG(("API Error: chat not found in updates "
+			"(ContactsBox::creationDone)"));
+	}
+}
+
 } // namespace
 
 style::InputField CreateBioFieldStyle() {
@@ -525,44 +571,10 @@ void GroupInfoBox::createGroup(
 		MTP_string(title)
 	)).done([=](const MTPUpdates &result) {
 		auto image = _photo->takeResultImage();
-		Ui::hideLayer();
+		const auto navigation = _navigation;
 
-		_navigation->session().api().applyUpdates(result);
-
-		auto success = base::make_optional(&result)
-			| [](auto updates) -> std::optional<const QVector<MTPChat>*> {
-				switch (updates->type()) {
-				case mtpc_updates:
-					return &updates->c_updates().vchats().v;
-				case mtpc_updatesCombined:
-					return &updates->c_updatesCombined().vchats().v;
-				}
-				LOG(("API Error: unexpected update cons %1 "
-					"(GroupInfoBox::creationDone)").arg(updates->type()));
-				return std::nullopt;
-			}
-			| [](auto chats) {
-				return (!chats->empty()
-					&& chats->front().type() == mtpc_chat)
-					? base::make_optional(chats)
-					: std::nullopt;
-			}
-			| [&](auto chats) {
-				return _navigation->session().data().chat(
-					chats->front().c_chat().vid().v);
-			}
-			| [&](not_null<ChatData*> chat) {
-				if (!image.isNull()) {
-					chat->session().api().uploadPeerPhoto(
-						chat,
-						std::move(image));
-				}
-				Ui::showPeerHistory(chat, ShowAtUnreadMsgId);
-			};
-		if (!success) {
-			LOG(("API Error: chat not found in updates "
-				"(ContactsBox::creationDone)"));
-		}
+		Ui::hideLayer(); // Destroys 'this'.
+		ChatCreateDone(navigation, std::move(image), result);
 	}).fail([=](const RPCError &error) {
 		_creationRequestId = 0;
 		if (error.type() == qstr("NO_CHAT_TITLE")) {
@@ -1165,8 +1177,8 @@ 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(); });

Telegram/SourceFiles/boxes/background_box.cpp

@@ -329,7 +329,7 @@ void BackgroundBox::Inner::paintPaper(
 	if (paper.data.id() == Window::Theme::Background()->id()) {
 		const auto checkLeft = x + st::backgroundSize.width() - st::overviewCheckSkip - st::overviewCheck.size;
 		const auto checkTop = y + st::backgroundSize.height() - st::overviewCheckSkip - st::overviewCheck.size;
-		_check->paint(p, crl::now(), checkLeft, checkTop, width());
+		_check->paint(p, checkLeft, checkTop, width());
 	} else if (Data::IsCloudWallPaper(paper.data)
 		&& !Data::IsDefaultWallPaper(paper.data)
 		&& over.has_value()

Telegram/SourceFiles/boxes/background_preview_box.cpp

@@ -27,6 +27,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "styles/style_history.h"
 #include "styles/style_boxes.h"
 
+#include <QtGui/QClipboard>
+#include <QtGui/QGuiApplication>
+
 namespace {
 
 constexpr auto kMaxWallPaperSlugLength = 255;
@@ -221,7 +224,7 @@ void ServiceCheck::Generator::invalidate() {
 
 ServiceCheck::Generator &ServiceCheck::Frames() {
 	static const auto Instance = Ui::CreateChild<Generator>(
-		QApplication::instance());
+		QCoreApplication::instance());
 	return *Instance;
 }
 
@@ -284,12 +287,14 @@ AdminLog::OwnedItem GenerateTextItem(
 	const auto flags = Flag::f_entities
 		| Flag::f_from_id
 		| (out ? Flag::f_out : Flag(0));
+	const auto clientFlags = MTPDmessage_ClientFlag::f_fake_history_item;
 	const auto replyTo = 0;
 	const auto viaBotId = 0;
 	const auto item = history->owner().makeMessage(
 		history,
 		++id,
 		flags,
+		clientFlags,
 		replyTo,
 		viaBotId,
 		base::unixtime::now(),
@@ -496,7 +501,7 @@ void BackgroundPreviewBox::apply() {
 }
 
 void BackgroundPreviewBox::share() {
-	QApplication::clipboard()->setText(_paper.shareUrl());
+	QGuiApplication::clipboard()->setText(_paper.shareUrl());
 	Ui::Toast::Show(tr::lng_background_link_copied(tr::now));
 }
 

Telegram/SourceFiles/boxes/boxes.style

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

Telegram/SourceFiles/boxes/calendar_box.cpp

@@ -27,6 +27,11 @@ 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 +60,9 @@ 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 +77,8 @@ 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 +96,10 @@ 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 +206,7 @@ public:
 
 	int countHeight();
 	void setDateChosenCallback(Fn<void(QDate)> callback);
+	void selectBeginning();
 
 	~Inner();
 
@@ -389,7 +404,10 @@ 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 +435,10 @@ 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 +516,14 @@ 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 +540,9 @@ 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 +588,8 @@ 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

@@ -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/confirm_box.cpp

@@ -25,6 +25,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "core/click_handler_types.h"
 #include "window/window_session_controller.h"
 #include "storage/localstorage.h"
+#include "data/data_scheduled_messages.h"
 #include "data/data_session.h"
 #include "data/data_photo.h"
 #include "data/data_channel.h"
@@ -34,6 +35,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "main/main_session.h"
 #include "observer_peer.h"
 
+#include <QtGui/QGuiApplication>
+#include <QtGui/QClipboard>
+
 TextParseOptions _confirmBoxTextOptions = {
 	TextParseLinks | TextParseMultiline | TextParseMarkdown | TextParseRichText, // flags
 	0, // maxw
@@ -542,10 +546,11 @@ void DeleteMessagesBox::prepare() {
 			: tr::lng_selected_delete_sure(tr::now, lt_count, _ids.size());
 		if (const auto peer = checkFromSinglePeer()) {
 			auto count = int(_ids.size());
-			if (auto revoke = revokeText(peer)) {
+			if (hasScheduledMessages()) {
+			} else if (auto revoke = revokeText(peer)) {
 				_revoke.create(this, revoke->checkbox, false, st::defaultBoxCheckbox);
 				appendDetails(std::move(revoke->description));
-			} else if (peer && peer->isChannel()) {
+			} else if (peer->isChannel()) {
 				if (peer->isMegagroup()) {
 					appendDetails({ tr::lng_delete_for_everyone_hint(tr::now, lt_count, count) });
 				}
@@ -580,6 +585,17 @@ void DeleteMessagesBox::prepare() {
 	setDimensions(st::boxWidth, fullHeight);
 }
 
+bool DeleteMessagesBox::hasScheduledMessages() const {
+	for (const auto fullId : std::as_const(_ids)) {
+		if (const auto item = _session->data().message(fullId)) {
+			if (item->isScheduled()) {
+				return true;
+			}
+		}
+	}
+	return false;
+}
+
 PeerData *DeleteMessagesBox::checkFromSinglePeer() const {
 	auto result = (PeerData*)nullptr;
 	for (const auto fullId : std::as_const(_ids)) {
@@ -765,9 +781,21 @@ void DeleteMessagesBox::deleteAndClear() {
 	}
 
 	base::flat_map<not_null<PeerData*>, QVector<MTPint>> idsByPeer;
+	base::flat_map<not_null<PeerData*>, QVector<MTPint>> scheduledIdsByPeer;
 	for (const auto itemId : _ids) {
 		if (const auto item = _session->data().message(itemId)) {
 			const auto history = item->history();
+			if (item->isScheduled()) {
+				const auto wasOnServer = !item->isSending()
+					&& !item->hasFailed();
+				if (wasOnServer) {
+					scheduledIdsByPeer[history->peer].push_back(MTP_int(
+						_session->data().scheduledMessages().lookupId(item)));
+				} else {
+					_session->data().scheduledMessages().removeSending(item);
+				}
+				continue;
+			}
 			const auto wasOnServer = IsServerMsgId(item->id);
 			const auto wasLast = (history->lastMessage() == item);
 			const auto wasInChats = (history->chatListMessage() == item);
@@ -784,6 +812,15 @@ void DeleteMessagesBox::deleteAndClear() {
 	for (const auto &[peer, ids] : idsByPeer) {
 		peer->session().api().deleteMessages(peer, ids, revoke);
 	}
+	for (const auto &[peer, ids] : scheduledIdsByPeer) {
+		peer->session().api().request(MTPmessages_DeleteScheduledMessages(
+			peer->input,
+			MTP_vector<MTPint>(ids)
+		)).done([=, peer=peer](const MTPUpdates &updates) {
+			peer->session().api().applyUpdates(updates);
+		}).send();
+	}
+
 	const auto session = _session;
 	Ui::hideLayer();
 	session->data().sendHistoryChangeNotifications();

Telegram/SourceFiles/boxes/confirm_box.h

@@ -176,8 +176,10 @@ private:
 		TextWithEntities description;
 	};
 	void deleteAndClear();
-	PeerData *checkFromSinglePeer() const;
-	std::optional<RevokeConfig> revokeText(not_null<PeerData*> peer) const;
+	[[nodiscard]] PeerData *checkFromSinglePeer() const;
+	[[nodiscard]] bool hasScheduledMessages() const;
+	[[nodiscard]] std::optional<RevokeConfig> revokeText(
+		not_null<PeerData*> peer) const;
 
 	const not_null<Main::Session*> _session;
 

Telegram/SourceFiles/boxes/connection_box.cpp

@@ -28,6 +28,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "styles/style_chat_helpers.h"
 #include "styles/style_info.h"
 
+#include <QtGui/QGuiApplication>
+#include <QtGui/QClipboard>
+
 namespace {
 
 constexpr auto kSaveSettingsDelayedTimeout = crl::time(1000);
@@ -1426,7 +1429,7 @@ void ProxiesBoxController::share(const ProxyData &proxy) {
 			? "&pass=" + qthelp::url_encode(proxy.password) : "")
 		+ ((proxy.type == Type::Mtproto && !proxy.password.isEmpty())
 			? "&secret=" + proxy.password : "");
-	QApplication::clipboard()->setText(link);
+	QGuiApplication::clipboard()->setText(link);
 	Ui::Toast::Show(tr::lng_username_copied(tr::now));
 }
 
@@ -1434,7 +1437,7 @@ ProxiesBoxController::~ProxiesBoxController() {
 	if (_saveTimer.isActive()) {
 		App::CallDelayed(
 			kSaveSettingsDelayedTimeout,
-			QApplication::instance(),
+			QCoreApplication::instance(),
 			[] { Local::writeSettings(); });
 	}
 }

Telegram/SourceFiles/boxes/create_poll_box.cpp

@@ -19,6 +19,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "main/main_session.h"
 #include "core/event_filter.h"
 #include "chat_helpers/emoji_suggestions_widget.h"
+#include "chat_helpers/message_field.h"
+#include "history/view/history_view_schedule_box.h"
 #include "settings/settings_common.h"
 #include "base/unique_qptr.h"
 #include "styles/style_boxes.h"
@@ -521,11 +523,11 @@ void Options::addEmptyOption() {
 	Core::InstallEventFilter(field, [=](not_null<QEvent*> event) {
 		if (event->type() != QEvent::KeyPress
 			|| !field->getLastText().isEmpty()) {
-			return false;
+			return Core::EventFilter::Result::Continue;
 		}
 		const auto key = static_cast<QKeyEvent*>(event.get())->key();
 		if (key != Qt::Key_Backspace) {
-			return false;
+			return Core::EventFilter::Result::Continue;
 		}
 
 		const auto index = findField(field);
@@ -534,7 +536,7 @@ void Options::addEmptyOption() {
 		} else {
 			_backspaceInFront.fire({});
 		}
-		return true;
+		return Core::EventFilter::Result::Cancel;
 	});
 
 	_list.back().removeClicks(
@@ -592,11 +594,15 @@ void Options::checkLastOption() {
 
 } // namespace
 
-CreatePollBox::CreatePollBox(QWidget*, not_null<Main::Session*> session)
-: _session(session) {
+CreatePollBox::CreatePollBox(
+	QWidget*,
+	not_null<Main::Session*> session,
+	Api::SendType sendType)
+: _session(session)
+, _sendType(sendType) {
 }
 
-rpl::producer<PollData> CreatePollBox::submitRequests() const {
+rpl::producer<CreatePollBox::Result> CreatePollBox::submitRequests() const {
 	return _submitRequests.events();
 }
 
@@ -703,6 +709,22 @@ object_ptr<Ui::RpWidget> CreatePollBox::setupContent() {
 		result.answers = options->toPollAnswers();
 		return result;
 	};
+	const auto send = [=](Api::SendOptions options) {
+		_submitRequests.fire({ collectResult(), options });
+	};
+	const auto sendSilent = [=] {
+		auto options = Api::SendOptions();
+		options.silent = true;
+		send(options);
+	};
+	const auto sendScheduled = [=] {
+		Ui::show(
+			HistoryView::PrepareScheduleBox(
+				this,
+				SendMenuType::Scheduled,
+				send),
+			LayerOption::KeepOther);
+	};
 	const auto updateValid = [=] {
 		valid->fire(isValidQuestion() && options->isValid());
 	};
@@ -715,9 +737,16 @@ object_ptr<Ui::RpWidget> CreatePollBox::setupContent() {
 	) | rpl::start_with_next([=](bool valid) {
 		clearButtons();
 		if (valid) {
-			addButton(
+			const auto submit = addButton(
 				tr::lng_polls_create_button(),
-				[=] { _submitRequests.fire(collectResult()); });
+				[=] { send({}); });
+			if (_sendType == Api::SendType::Normal) {
+				SetupSendMenu(
+					submit.data(),
+					[=] { return SendMenuType::Scheduled; },
+					sendSilent,
+					sendScheduled);
+			}
 		}
 		addButton(tr::lng_cancel(), [=] { closeBox(); });
 	}, lifetime());

Telegram/SourceFiles/boxes/create_poll_box.h

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

Telegram/SourceFiles/boxes/edit_caption_box.cpp

@@ -38,6 +38,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/checkbox.h"
 #include "confirm_box.h"
 
+#include <QtCore/QMimeData>
+
 EditCaptionBox::EditCaptionBox(
 	QWidget*,
 	not_null<Window::SessionController*> controller,
@@ -277,14 +279,13 @@ EditCaptionBox::EditCaptionBox(
 	}, _wayWrap->lifetime());
 }
 
-bool EditCaptionBox::emojiFilter(not_null<QEvent*> event) {
+void EditCaptionBox::emojiFilterForGeometry(not_null<QEvent*> event) {
 	const auto type = event->type();
 	if (type == QEvent::Move || type == QEvent::Resize) {
 		// updateEmojiPanelGeometry uses not only container geometry, but
 		// also container children geometries that will be updated later.
 		crl::on_main(this, [=] { updateEmojiPanelGeometry(); });
 	}
-	return false;
 }
 
 void EditCaptionBox::updateEmojiPanelGeometry() {
@@ -711,14 +712,16 @@ 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);
@@ -920,7 +923,7 @@ void EditCaptionBox::save() {
 			std::move(_preparedList),
 			(!_asFile && _photo) ? SendMediaType::Photo : SendMediaType::File,
 			_field->getTextWithAppliedMarkdown(),
-			ApiWrap::SendOptions(item->history()),
+			Api::SendAction(item->history()),
 			item->fullId().msg);
 		closeBox();
 		return;
@@ -934,7 +937,8 @@ void EditCaptionBox::save() {
 			MTP_string(sending.text),
 			MTPInputMedia(),
 			MTPReplyMarkup(),
-			sentEntities),
+			sentEntities,
+			MTP_int(0)), // schedule_date
 		rpcDone(&EditCaptionBox::saveDone),
 		rpcFail(&EditCaptionBox::saveFail));
 }

Telegram/SourceFiles/boxes/edit_caption_box.h

@@ -57,7 +57,7 @@ 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

@@ -16,7 +16,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 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 +28,7 @@ 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 +43,11 @@ private:
 	QCursor generateCursor();
 
 	void preparePalette();
+	void preparePaletteRGBA();
+	void preparePaletteHSL();
 	void updateCurrentPoint(QPoint localPosition);
 
+	Mode _mode;
 	QColor _topleft;
 	QColor _topright;
 	QColor _bottomleft;
@@ -84,7 +87,9 @@ 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 +142,27 @@ 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 +170,11 @@ 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 +182,7 @@ 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 +191,40 @@ 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 +236,25 @@ 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 +262,11 @@ 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 +278,7 @@ public:
 	enum class Type {
 		Hue,
 		Opacity,
+		Lightness
 	};
 	Slider(QWidget *parent, Direction direction, Type type, QColor color);
 
@@ -231,10 +292,12 @@ 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 +317,14 @@ 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 +337,17 @@ 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 +408,9 @@ 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 +420,7 @@ 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 +430,7 @@ 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 +439,45 @@ 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 +486,23 @@ 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 +516,15 @@ 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 +540,19 @@ 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 +740,18 @@ 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 +759,47 @@ 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 +823,15 @@ 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 +840,7 @@ void EditColorBox::prepare() {
 	}, lifetime());
 
 	updateRGBFields();
-	updateHSVFields();
+	updateHSBFields();
 	updateResultField();
 	update();
 }
@@ -704,21 +873,21 @@ void EditColorBox::fieldSubmitted() {
 }
 
 void EditColorBox::saveColor() {
-	_cancelCallback = Fn<void()>();
+	const auto weak = make_weak(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 +919,28 @@ 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 +949,13 @@ 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 +981,74 @@ 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 +1079,17 @@ 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 +1098,32 @@ 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

@@ -11,7 +11,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 class EditColorBox : public BoxContent {
 public:
-	EditColorBox(QWidget*, const QString &title, QColor current = QColor(255, 255, 255));
+	enum class Mode {
+		RGBA,
+		HSL,
+	};
+	EditColorBox(QWidget*, const QString &title, Mode mode, QColor current);
+
+	void setLightnessLimits(int min, int max);
 
 	void setSaveCallback(Fn<void(QColor)> callback) {
 		_saveCallback = std::move(callback);
@@ -36,21 +42,28 @@ protected:
 	void setInnerFocus() override;
 
 private:
+	struct HSB { // HSV or HSL depending on Mode.
+		int hue = 0;
+		int saturation = 0;
+		int brightness = 0;
+	};
 	void saveColor();
 	void fieldSubmitted();
 
+	[[nodiscard]] HSB hsbFromControls() const;
 	void updateFromColor(QColor color);
 	void updateControlsFromColor();
-	void updateControlsFromHSV(int hue, int saturation, int brightness);
-	void updateHSVFields();
+	void updateControlsFromHSB(HSB hsb);
+	void updateHSBFields();
 	void updateRGBFields();
 	void updateResultField();
 	void updateFromControls();
-	void updateFromHSVFields();
+	void updateFromHSBFields();
 	void updateFromRGBFields();
 	void updateFromResultField();
-	void setHSV(int hue, int saturation, int brightness, int alpha);
+	void setHSB(HSB hsb, int alpha);
 	void setRGB(int red, int green, int blue, int alpha);
+	[[nodiscard]] QColor applyLimits(QColor color) const;
 
 	int percentFromByte(int byte) {
 		return snap(qRound(byte * 100 / 255.), 0, 100);
@@ -65,10 +78,12 @@ private:
 	class ResultField;
 
 	QString _title;
+	Mode _mode = Mode();
 
 	object_ptr<Picker> _picker;
-	object_ptr<Slider> _hueSlider;
-	object_ptr<Slider> _opacitySlider;
+	object_ptr<Slider> _hueSlider = { nullptr };
+	object_ptr<Slider> _opacitySlider = { nullptr };
+	object_ptr<Slider> _lightnessSlider = { nullptr };
 
 	object_ptr<Field> _hueField;
 	object_ptr<Field> _saturationField;
@@ -85,6 +100,9 @@ private:
 	QRect _currentRect;
 	QRect _newRect;
 
+	int _lightnessMin = 0;
+	int _lightnessMax = 255;
+
 	Fn<void(QColor)> _saveCallback;
 	Fn<void()> _cancelCallback;
 

Telegram/SourceFiles/boxes/edit_privacy_box.cpp

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

Telegram/SourceFiles/boxes/edit_privacy_box.h

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

Telegram/SourceFiles/boxes/generic_box.h

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

Telegram/SourceFiles/boxes/language_box.cpp

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

Telegram/SourceFiles/boxes/peer_list_controllers.cpp

@@ -42,7 +42,8 @@ void ShareBotGame(not_null<UserData*> bot, not_null<PeerData*> chat) {
 		MTP_string(),
 		MTP_long(randomId),
 		MTPReplyMarkup(),
-		MTPVector<MTPMessageEntity>()
+		MTPVector<MTPMessageEntity>(),
+		MTP_int(0) // schedule_date
 	)).done([=](const MTPUpdates &result) {
 		api->applyUpdates(result, randomId);
 	}).fail([=](const RPCError &error) {

Telegram/SourceFiles/boxes/peers/add_participants_box.cpp

@@ -299,7 +299,7 @@ void AddSpecialBoxController::migrate(not_null<ChannelData*> channel) {
 
 std::unique_ptr<PeerListRow> AddSpecialBoxController::createSearchRow(
 		not_null<PeerData*> peer) {
-	if (peer->isSelf()) {
+	if (_excludeSelf && peer->isSelf()) {
 		return nullptr;
 	}
 	if (const auto user = peer->asUser()) {
@@ -312,6 +312,8 @@ void AddSpecialBoxController::prepare() {
 	delegate()->peerListSetSearchMode(PeerListSearchMode::Enabled);
 	auto title = [&] {
 		switch (_role) {
+		case Role::Members:
+			return tr::lng_profile_participants_section();
 		case Role::Admins:
 			return tr::lng_channel_add_admin();
 		case Role::Restricted:
@@ -799,7 +801,8 @@ void AddSpecialBoxController::kickUser(
 }
 
 bool AddSpecialBoxController::appendRow(not_null<UserData*> user) {
-	if (delegate()->peerListFindRow(user->id) || user->isSelf()) {
+	if (delegate()->peerListFindRow(user->id)
+		|| (_excludeSelf && user->isSelf())) {
 		return false;
 	}
 	delegate()->peerListAppendRow(createRow(user));

Telegram/SourceFiles/boxes/peers/add_participants_box.h

@@ -131,6 +131,9 @@ private:
 	AdminDoneCallback _adminDoneCallback;
 	BannedDoneCallback _bannedDoneCallback;
 
+protected:
+	bool _excludeSelf = true;
+
 };
 
 // Finds chat/channel members, then contacts, then global search results.

Telegram/SourceFiles/boxes/peers/edit_contact_box.cpp

@@ -25,6 +25,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 namespace {
 
+constexpr auto kMaxUserFirstLastName = 64; // See also add_contact_box.
+
 QString UserPhone(not_null<UserData*> user) {
 	const auto phone = user->phone();
 	return phone.isEmpty()
@@ -220,6 +222,8 @@ void Controller::initNameFields(
 	};
 	QObject::connect(first, &Ui::InputField::submitted, submit);
 	QObject::connect(last, &Ui::InputField::submitted, submit);
+	first->setMaxLength(kMaxUserFirstLastName);
+	first->setMaxLength(kMaxUserFirstLastName);
 }
 
 void Controller::setupWarning() {

Telegram/SourceFiles/boxes/peers/edit_participant_box.cpp

@@ -354,6 +354,18 @@ void EditAdminBox::prepare() {
 	) | rpl::then(std::move(
 		changes
 	));
+	_aboutAddAdmins = addControl(
+		object_ptr<Ui::FlatLabel>(this, st::boxDividerLabel),
+		st::rightsAboutMargin);
+	rpl::duplicate(
+		selectedFlags
+	) | rpl::map(
+		(_1 & Flag::f_add_admins) != 0
+	) | rpl::distinct_until_changed(
+	) | rpl::start_with_next([=](bool checked) {
+		refreshAboutAddAdminsText(checked);
+	}, lifetime());
+
 	if (canTransferOwnership()) {
 		const auto allFlags = FullAdminRights(isGroup);
 		setupTransferButton(
@@ -364,17 +376,6 @@ void EditAdminBox::prepare() {
 			((_1 & allFlags) == allFlags)
 		))->setDuration(0);
 	}
-	_aboutAddAdmins = addControl(
-		object_ptr<Ui::FlatLabel>(this, st::boxDividerLabel),
-		st::rightsAboutMargin);
-	std::move(
-		selectedFlags
-	) | rpl::map(
-		(_1 & Flag::f_add_admins) != 0
-	) | rpl::distinct_until_changed(
-	) | rpl::start_with_next([=](bool checked) {
-		refreshAboutAddAdminsText(checked);
-	}, lifetime());
 
 	if (canSave()) {
 		const auto rank = (chat || channel->isMegagroup())
@@ -470,13 +471,10 @@ not_null<Ui::SlideWrap<Ui::RpWidget>*> EditAdminBox::setupTransferButton(
 			object_ptr<Ui::VerticalLayout>(this)));
 
 	const auto container = wrap->entity();
-	const auto addDivider = [&] {
-		container->add(
-			object_ptr<BoxContentDivider>(container),
-			{ 0, st::infoProfileSkip, 0, st::infoProfileSkip });
-	};
 
-	addDivider();
+	container->add(
+		object_ptr<BoxContentDivider>(container),
+		{ 0, st::infoProfileSkip, 0, st::infoProfileSkip });
 	container->add(EditPeerInfoBox::CreateButton(
 		this,
 		(isGroup
@@ -485,7 +483,6 @@ not_null<Ui::SlideWrap<Ui::RpWidget>*> EditAdminBox::setupTransferButton(
 		rpl::single(QString()),
 		[=] { transferOwnership(); },
 		st::peerPermissionsButton));
-	addDivider();
 
 	return wrap;
 }

Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp

@@ -342,7 +342,7 @@ bool ParticipantsAdditionalData::canAddOrEditAdmin(
 
 bool ParticipantsAdditionalData::canRestrictUser(
 		not_null<UserData*> user) const {
-	if (!canEditAdmin(user)) {
+	if (!canEditAdmin(user) || user->isSelf()) {
 		return false;
 	} else if (const auto chat = _peer->asChat()) {
 		return chat->canBanMembers();

Telegram/SourceFiles/boxes/peers/edit_peer_info_box.cpp

@@ -235,7 +235,7 @@ void ShowEditPermissions(not_null<PeerData*> peer) {
 
 namespace {
 
-constexpr auto kMaxGroupChannelTitle = 255; // See also add_contact_box.
+constexpr auto kMaxGroupChannelTitle = 128; // See also add_contact_box.
 constexpr auto kMaxChannelDescription = 255; // See also add_contact_box.
 
 class Controller

Telegram/SourceFiles/boxes/peers/edit_peer_type_box.cpp

@@ -39,6 +39,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/window_session_controller.h"
 #include <rpl/flatten_latest.h>
 
+#include <QtGui/QGuiApplication>
+#include <QtGui/QClipboard>
+
 namespace {
 
 constexpr auto kUsernameCheckTimeout = crl::time(200);
@@ -607,7 +610,7 @@ object_ptr<Ui::RpWidget> Controller::createInviteLinkEdit() {
 	_controls.inviteLink->setContextCopyText(QString());
 	_controls.inviteLink->setBreakEverywhere(true);
 	_controls.inviteLink->setClickHandlerFilter([=](auto&&...) {
-		QApplication::clipboard()->setText(inviteLinkText());
+		QGuiApplication::clipboard()->setText(inviteLinkText());
 		Ui::Toast::Show(tr::lng_group_invite_copied(tr::now));
 		return false;
 	});

Telegram/SourceFiles/boxes/send_files_box.cpp

@@ -15,6 +15,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "chat_helpers/emoji_suggestions_widget.h"
 #include "chat_helpers/tabbed_panel.h"
 #include "chat_helpers/tabbed_selector.h"
+#include "history/view/history_view_schedule_box.h"
 #include "core/file_utilities.h"
 #include "core/mime_type.h"
 #include "core/event_filter.h"
@@ -30,12 +31,15 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lottie/lottie_single_player.h"
 #include "data/data_document.h"
 #include "media/clip/media_clip_reader.h"
+#include "api/api_common.h"
 #include "window/window_session_controller.h"
 #include "layout.h"
 #include "styles/style_history.h"
 #include "styles/style_boxes.h"
 #include "styles/style_chat_helpers.h"
 
+#include <QtCore/QMimeData>
+
 namespace {
 
 constexpr auto kMinPreviewWidth = 20;
@@ -1366,12 +1370,16 @@ SendFilesBox::SendFilesBox(
 	Storage::PreparedList &&list,
 	const TextWithTags &caption,
 	CompressConfirm compressed,
-	SendLimit limit)
+	SendLimit limit,
+	Api::SendType sendType,
+	SendMenuType sendMenuType)
 : _controller(controller)
+, _sendType(sendType)
 , _list(std::move(list))
 , _compressConfirmInitial(compressed)
 , _compressConfirm(compressed)
 , _sendLimit(limit)
+, _sendMenuType(sendMenuType)
 , _caption(
 	this,
 	st::confirmCaptionArea,
@@ -1468,8 +1476,14 @@ void SendFilesBox::setupShadows(
 }
 
 void SendFilesBox::prepare() {
-	_send = addButton(tr::lng_send_button(), [=] { send(); });
-	SetupSendWithoutSound(_send, [=] { return true; }, [=] { send(true); });
+	_send = addButton(tr::lng_send_button(), [=] { send({}); });
+	if (_sendType == Api::SendType::Normal) {
+		SetupSendMenu(
+			_send,
+			[=] { return _sendMenuType; },
+			[=] { sendSilent(); },
+			[=] { sendScheduled(); });
+	}
 	addButton(tr::lng_cancel(), [=] { closeBox(); });
 	initSendWay();
 	setupCaption();
@@ -1638,7 +1652,7 @@ void SendFilesBox::setupCaption() {
 		const auto ctrlShiftEnter = modifiers.testFlag(Qt::ShiftModifier)
 			&& (modifiers.testFlag(Qt::ControlModifier)
 				|| modifiers.testFlag(Qt::MetaModifier));
-		send(false, ctrlShiftEnter);
+		send({}, ctrlShiftEnter);
 	});
 	connect(_caption, &Ui::InputField::cancelled, [=] { closeBox(); });
 	_caption->setMimeDataHook([=](
@@ -1682,14 +1696,16 @@ void SendFilesBox::setupEmojiPanel() {
 		st::emojiPanMinHeight / 2,
 		st::emojiPanMinHeight);
 	_emojiPanel->hide();
-	_emojiPanel->getSelector()->emojiChosen(
+	_emojiPanel->selector()->emojiChosen(
 	) | rpl::start_with_next([=](EmojiPtr emoji) {
 		Ui::InsertEmojiAtCursor(_caption->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->setVisible(!_caption->isHidden());
@@ -1699,14 +1715,13 @@ void SendFilesBox::setupEmojiPanel() {
 	});
 }
 
-bool SendFilesBox::emojiFilter(not_null<QEvent*> event) {
+void SendFilesBox::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 SendFilesBox::updateEmojiPanelGeometry() {
@@ -1842,7 +1857,7 @@ void SendFilesBox::keyPressEvent(QKeyEvent *e) {
 		const auto ctrl = modifiers.testFlag(Qt::ControlModifier)
 			|| modifiers.testFlag(Qt::MetaModifier);
 		const auto shift = modifiers.testFlag(Qt::ShiftModifier);
-		send(false, ctrl && shift);
+		send({}, ctrl && shift);
 	} else {
 		BoxContent::keyPressEvent(e);
 	}
@@ -1913,7 +1928,13 @@ void SendFilesBox::setInnerFocus() {
 	}
 }
 
-void SendFilesBox::send(bool silent, bool ctrlShiftEnter) {
+void SendFilesBox::send(
+		Api::SendOptions options,
+		bool ctrlShiftEnter) {
+	if (_sendType == Api::SendType::Scheduled && !options.scheduled) {
+		return sendScheduled();
+	}
+
 	using Way = SendFilesWay;
 	const auto way = _sendWay ? _sendWay->value() : Way::Files;
 
@@ -1942,10 +1963,23 @@ void SendFilesBox::send(bool silent, bool ctrlShiftEnter) {
 			std::move(_list),
 			way,
 			std::move(caption),
-			silent,
+			options,
 			ctrlShiftEnter);
 	}
 	closeBox();
 }
 
+void SendFilesBox::sendSilent() {
+	auto options = Api::SendOptions();
+	options.silent = true;
+	send(options);
+}
+
+void SendFilesBox::sendScheduled() {
+	const auto callback = [=](Api::SendOptions options) { send(options); };
+	Ui::show(
+		HistoryView::PrepareScheduleBox(this, _sendMenuType, callback),
+		LayerOption::KeepOther);
+}
+
 SendFilesBox::~SendFilesBox() = default;

Telegram/SourceFiles/boxes/send_files_box.h

@@ -16,6 +16,11 @@ namespace Window {
 class SessionController;
 } // namespace Window
 
+namespace Api {
+struct SendOptions;
+enum class SendType;
+} // namespace Api
+
 namespace ChatHelpers {
 class TabbedPanel;
 } // namespace ChatHelpers
@@ -35,6 +40,8 @@ namespace Window {
 class SessionController;
 } // namespace Window
 
+enum class SendMenuType;
+
 enum class SendFilesWay {
 	Album,
 	Photos,
@@ -53,14 +60,16 @@ public:
 		Storage::PreparedList &&list,
 		const TextWithTags &caption,
 		CompressConfirm compressed,
-		SendLimit limit);
+		SendLimit limit,
+		Api::SendType sendType,
+		SendMenuType sendMenuType);
 
 	void setConfirmedCallback(
 		Fn<void(
 			Storage::PreparedList &&list,
 			SendFilesWay way,
 			TextWithTags &&caption,
-			bool silent,
+			Api::SendOptions options,
 			bool ctrlShiftEnter)> callback) {
 		_confirmedCallback = std::move(callback);
 	}
@@ -93,7 +102,7 @@ private:
 
 	void setupEmojiPanel();
 	void updateEmojiPanelGeometry();
-	bool emojiFilter(not_null<QEvent*> event);
+	void emojiFilterForGeometry(not_null<QEvent*> event);
 
 	void refreshAlbumMediaCount();
 	void preparePreview();
@@ -101,7 +110,9 @@ private:
 	void prepareAlbumPreview();
 	void applyAlbumOrder();
 
-	void send(bool silent = false, bool ctrlShiftEnter = false);
+	void send(Api::SendOptions options, bool ctrlShiftEnter = false);
+	void sendSilent();
+	void sendScheduled();
 	void captionResized();
 
 	void setupTitleText();
@@ -113,7 +124,8 @@ private:
 	bool canAddUrls(const QList<QUrl> &urls) const;
 	bool addFiles(not_null<const QMimeData*> data);
 
-	not_null<Window::SessionController*> _controller;
+	const not_null<Window::SessionController*> _controller;
+	const Api::SendType _sendType = Api::SendType();
 
 	QString _titleText;
 	int _titleHeight = 0;
@@ -123,12 +135,13 @@ private:
 	CompressConfirm _compressConfirmInitial = CompressConfirm::None;
 	CompressConfirm _compressConfirm = CompressConfirm::None;
 	SendLimit _sendLimit = SendLimit::Many;
+	SendMenuType _sendMenuType = SendMenuType();
 
 	Fn<void(
 		Storage::PreparedList &&list,
 		SendFilesWay way,
 		TextWithTags &&caption,
-		bool silent,
+		Api::SendOptions options,
 		bool ctrlShiftEnter)> _confirmedCallback;
 	Fn<void()> _cancelledCallback;
 	bool _confirmed = false;

Telegram/SourceFiles/boxes/share_box.cpp

@@ -26,6 +26,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "chat_helpers/message_field.h"
 #include "history/history.h"
 #include "history/history_message.h"
+#include "history/view/history_view_schedule_box.h"
 #include "window/themes/window_theme.h"
 #include "window/window_session_controller.h"
 #include "boxes/peer_list_box.h"
@@ -195,7 +196,7 @@ void ShareBox::prepareCommentField() {
 	const auto field = _comment->entity();
 
 	connect(field, &Ui::InputField::submitted, [=] {
-		submit();
+		submit({});
 	});
 
 	field->setInstantReplaces(Ui::InstantReplaces::Default());
@@ -242,7 +243,7 @@ void ShareBox::prepare() {
 	_select->setSubmittedCallback([=](Qt::KeyboardModifiers modifiers) {
 		if (modifiers.testFlag(Qt::ControlModifier)
 			|| modifiers.testFlag(Qt::MetaModifier)) {
-			submit();
+			submit({});
 		} else {
 			_inner->selectActive();
 		}
@@ -408,16 +409,24 @@ void ShareBox::keyPressEvent(QKeyEvent *e) {
 	}
 }
 
+SendMenuType ShareBox::sendMenuType() const {
+	const auto selected = _inner->selected();
+	return (selected.size() == 1 && selected.front()->isSelf())
+		? SendMenuType::Reminder
+		: SendMenuType::Scheduled;
+}
+
 void ShareBox::createButtons() {
 	clearButtons();
 	if (_hasSelected) {
 		const auto send = addButton(tr::lng_share_confirm(), [=] {
-			submit();
+			submit({});
 		});
-		SetupSendWithoutSound(
+		SetupSendMenu(
 			send,
-			[=] { return true; },
-			[=] { submit(true); });
+			[=] { return sendMenuType(); },
+			[=] { submitSilent(); },
+			[=] { submitScheduled(); });
 	} else if (_copyCallback) {
 		addButton(tr::lng_share_copy_link(), [=] { copyLink(); });
 	}
@@ -451,15 +460,28 @@ void ShareBox::innerSelectedChanged(PeerData *peer, bool checked) {
 	update();
 }
 
-void ShareBox::submit(bool silent) {
+void ShareBox::submit(Api::SendOptions options) {
 	if (_submitCallback) {
 		_submitCallback(
 			_inner->selected(),
 			_comment->entity()->getTextWithAppliedMarkdown(),
-			silent);
+			options);
 	}
 }
 
+void ShareBox::submitSilent() {
+	auto options = Api::SendOptions();
+	options.silent = true;
+	submit(options);
+}
+
+void ShareBox::submitScheduled() {
+	const auto callback = [=](Api::SendOptions options) { submit(options); };
+	Ui::show(
+		HistoryView::PrepareScheduleBox(this, sendMenuType(), callback),
+		LayerOption::KeepOther);
+}
+
 void ShareBox::copyLink() {
 	if (_copyCallback) {
 		_copyCallback();

Telegram/SourceFiles/boxes/share_box.h

@@ -13,10 +13,16 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/effects/animations.h"
 #include "ui/effects/round_checkbox.h"
 
+enum class SendMenuType;
+
 namespace Window {
 class SessionNavigation;
 } // namespace Window
 
+namespace Api {
+struct SendOptions;
+} // namespace Api
+
 namespace Main {
 class Session;
 } // namespace Main
@@ -52,7 +58,7 @@ public:
 	using SubmitCallback = Fn<void(
 		QVector<PeerData*>&&,
 		TextWithTags&&,
-		bool)>;
+		Api::SendOptions)>;
 	using FilterCallback = Fn<bool(PeerData*)>;
 
 	ShareBox(
@@ -73,10 +79,14 @@ private:
 	void prepareCommentField();
 	void scrollAnimationCallback();
 
-	void submit(bool silent = false);
+	void submit(Api::SendOptions options);
+	void submitSilent();
+	void submitScheduled();
 	void copyLink();
 	bool searchByUsername(bool useCache = false);
 
+	SendMenuType sendMenuType() const;
+
 	void scrollTo(Ui::ScrollToRequest request);
 	void needSearchByUsername();
 	void applyFilterUpdate(const QString &query);

Telegram/SourceFiles/boxes/sticker_set_box.cpp

@@ -32,6 +32,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "styles/style_boxes.h"
 #include "styles/style_chat_helpers.h"
 
+#include <QtWidgets/QApplication>
+#include <QtGui/QClipboard>
+
 namespace {
 
 constexpr auto kStickersPanelPerRow = 5;
@@ -132,16 +135,17 @@ StickerSetBox::StickerSetBox(
 , _set(set) {
 }
 
-void StickerSetBox::Show(
+QPointer<BoxContent> StickerSetBox::Show(
 		not_null<Window::SessionController*> controller,
 		not_null<DocumentData*> document) {
 	if (const auto sticker = document->sticker()) {
 		if (sticker->set.type() != mtpc_inputStickerSetEmpty) {
-			Ui::show(
+			return Ui::show(
 				Box<StickerSetBox>(controller, sticker->set),
-				LayerOption::KeepOther);
+				LayerOption::KeepOther).data();
 		}
 	}
+	return nullptr;
 }
 
 void StickerSetBox::prepare() {
@@ -177,7 +181,7 @@ void StickerSetBox::addStickers() {
 
 void StickerSetBox::shareStickers() {
 	auto url = Core::App().createInternalLinkFull(qsl("addstickers/") + _inner->shortName());
-	QApplication::clipboard()->setText(url);
+	QGuiApplication::clipboard()->setText(url);
 	Ui::show(Box<InformBox>(tr::lng_stickers_copied(tr::now)));
 }
 

Telegram/SourceFiles/boxes/sticker_set_box.h

@@ -28,7 +28,7 @@ public:
 		not_null<Window::SessionController*> controller,
 		const MTPInputStickerSet &set);
 
-	static void Show(
+	static QPointer<BoxContent> Show(
 		not_null<Window::SessionController*> controller,
 		not_null<DocumentData*> document);
 

Telegram/SourceFiles/boxes/url_auth_box.cpp

@@ -165,7 +165,7 @@ not_null<Ui::RpWidget*> UrlAuthBox::setupContent(
 				st::boxPadding.bottom(),
 				st::boxPadding.right(),
 				st::boxPadding.bottom()));
-		checkbox->setAllowMultiline(true);
+		checkbox->setAllowTextLines();
 		checkbox->setText(text, true);
 		return checkbox;
 	};

Telegram/SourceFiles/boxes/username_box.cpp

@@ -19,6 +19,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_user.h"
 #include "styles/style_boxes.h"
 
+#include <QtGui/QGuiApplication>
+#include <QtGui/QClipboard>
+
 namespace {
 
 constexpr auto kMinUsernameLength = 5;
@@ -167,7 +170,7 @@ void UsernameBox::changed() {
 }
 
 void UsernameBox::linkClick() {
-	QApplication::clipboard()->setText(Core::App().createInternalLinkFull(getName()));
+	QGuiApplication::clipboard()->setText(Core::App().createInternalLinkFull(getName()));
 	Ui::Toast::Show(tr::lng_username_copied(tr::now));
 }
 

Telegram/SourceFiles/calls/calls_box_controller.cpp

@@ -324,6 +324,7 @@ void BoxController::receivedCalls(const QVector<MTPMessage> &result) {
 		if (const auto peer = session().data().peerLoaded(peerId)) {
 			const auto item = session().data().addNewMessage(
 				message,
+				MTPDmessage_ClientFlags(),
 				NewMessageType::Existing);
 			insertRow(item, InsertWay::Append);
 		} else {

Telegram/SourceFiles/calls/calls_panel.cpp

@@ -31,6 +31,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/main_window.h"
 #include "layout.h"
 
+#include <QtWidgets/QDesktopWidget>
+#include <QtWidgets/QApplication>
+
 namespace Calls {
 namespace {
 

Telegram/SourceFiles/chat_helpers/emoji_keywords.cpp

@@ -17,6 +17,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "main/main_session.h"
 #include "apiwrap.h"
 
+#include <QtGui/QGuiApplication>
+
 namespace ChatHelpers {
 namespace {
 

Telegram/SourceFiles/chat_helpers/emoji_suggestions_widget.cpp

@@ -20,6 +20,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "main/main_session.h"
 #include "styles/style_chat_helpers.h"
 
+#include <QtWidgets/QApplication>
+#include <QtGui/QTextBlock>
+
 namespace Ui {
 namespace Emoji {
 namespace {
@@ -518,12 +521,20 @@ SuggestionsController::SuggestionsController(
 
 	setReplaceCallback(nullptr);
 
-	_fieldFilter.reset(Core::InstallEventFilter(
-		_field,
-		[=](not_null<QEvent*> event) { return fieldFilter(event); }));
-	_outerFilter.reset(Core::InstallEventFilter(
-		outer,
-		[=](not_null<QEvent*> event) { return outerFilter(event); }));
+	const auto fieldCallback = [=](not_null<QEvent*> event) {
+		return fieldFilter(event)
+			? Core::EventFilter::Result::Cancel
+			: Core::EventFilter::Result::Continue;
+	};
+	_fieldFilter.reset(Core::InstallEventFilter(_field, fieldCallback));
+
+	const auto outerCallback = [=](not_null<QEvent*> event) {
+		return outerFilter(event)
+			? Core::EventFilter::Result::Cancel
+			: Core::EventFilter::Result::Continue;
+	};
+	_outerFilter.reset(Core::InstallEventFilter(outer, outerCallback));
+
 	QObject::connect(
 		_field,
 		&QTextEdit::textChanged,

Telegram/SourceFiles/chat_helpers/emoji_suggestions_widget.h

@@ -12,6 +12,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/unique_qptr.h"
 #include "base/timer.h"
 
+#include <QtWidgets/QTextEdit>
+
 namespace Main {
 class Session;
 } // namespace Main

Telegram/SourceFiles/chat_helpers/field_autocomplete.cpp

@@ -25,6 +25,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "styles/style_widgets.h"
 #include "styles/style_chat_helpers.h"
 
+#include <QtWidgets/QApplication>
+
 FieldAutocomplete::FieldAutocomplete(
 	QWidget *parent,
 	not_null<Main::Session*> session)

Telegram/SourceFiles/chat_helpers/gifs_list_widget.cpp

@@ -25,6 +25,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/window_session_controller.h"
 #include "history/view/history_view_cursor_state.h"
 
+#include <QtWidgets/QApplication>
+
 namespace ChatHelpers {
 namespace {
 

Telegram/SourceFiles/chat_helpers/message_field.cpp

@@ -26,6 +26,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "styles/style_boxes.h"
 #include "styles/style_history.h"
 
+#include <QtCore/QMimeData>
+#include <QtCore/QStack>
+#include <QtGui/QGuiApplication>
+#include <QtGui/QTextBlock>
+#include <QtGui/QClipboard>
+
 namespace {
 
 using EditLinkAction = Ui::InputField::EditLinkAction;
@@ -327,7 +333,7 @@ void SetClipboardText(
 		const TextForMimeData &text,
 		QClipboard::Mode mode) {
 	if (auto data = MimeDataFromText(text)) {
-		QApplication::clipboard()->setMimeData(data.release(), mode);
+		QGuiApplication::clipboard()->setMimeData(data.release(), mode);
 	}
 }
 
@@ -784,18 +790,40 @@ void MessageLinksParser::apply(
 	_list = std::move(parsed);
 }
 
-void SetupSendWithoutSound(
+void SetupSendMenu(
 		not_null<Ui::RpWidget*> button,
-		Fn<bool()> enabled,
-		Fn<void()> send) {
+		Fn<SendMenuType()> type,
+		Fn<void()> silent,
+		Fn<void()> schedule) {
+	if (!silent && !schedule) {
+		return;
+	}
 	const auto menu = std::make_shared<base::unique_qptr<Ui::PopupMenu>>();
-	Core::InstallEventFilter(button, [=](not_null<QEvent*> e) {
-		if (e->type() == QEvent::ContextMenu && enabled()) {
-			*menu = base::make_unique_q<Ui::PopupMenu>(button);
-			(*menu)->addAction(tr::lng_send_silent_message(tr::now), send);
-			(*menu)->popup(QCursor::pos());
-			return true;
+	const auto showMenu = [=] {
+		const auto now = type();
+		if (now == SendMenuType::Disabled
+			|| (!silent && now == SendMenuType::SilentOnly)) {
+			return false;
 		}
-		return false;
+
+		*menu = base::make_unique_q<Ui::PopupMenu>(button);
+		if (silent && now != SendMenuType::Reminder) {
+			(*menu)->addAction(tr::lng_send_silent_message(tr::now), silent);
+		}
+		if (schedule && now != SendMenuType::SilentOnly) {
+			(*menu)->addAction(
+				(now == SendMenuType::Scheduled
+					? tr::lng_schedule_message(tr::now)
+					: tr::lng_reminder_message(tr::now)),
+				schedule);
+		}
+		(*menu)->popup(QCursor::pos());
+		return true;
+	};
+	Core::InstallEventFilter(button, [=](not_null<QEvent*> e) {
+		if (e->type() == QEvent::ContextMenu && showMenu()) {
+			return Core::EventFilter::Result::Cancel;
+		}
+		return Core::EventFilter::Result::Continue;
 	});
 }

Telegram/SourceFiles/chat_helpers/message_field.h

@@ -10,6 +10,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/input_fields.h"
 #include "base/timer.h"
 
+#include <QtGui/QClipboard>
+
 namespace Main {
 class Session;
 } // namespace Main
@@ -57,7 +59,7 @@ struct AutocompleteQuery {
 AutocompleteQuery ParseMentionHashtagBotCommandQuery(
 	not_null<const Ui::InputField*> field);
 
-class QtConnectionOwner {
+class QtConnectionOwner final {
 public:
 	QtConnectionOwner(QMetaObject::Connection connection = {});
 	QtConnectionOwner(QtConnectionOwner &&other);
@@ -106,7 +108,15 @@ private:
 
 };
 
-void SetupSendWithoutSound(
+enum class SendMenuType {
+	Disabled,
+	SilentOnly,
+	Scheduled,
+	Reminder,
+};
+
+void SetupSendMenu(
 	not_null<Ui::RpWidget*> button,
-	Fn<bool()> enabled,
-	Fn<void()> send);
+	Fn<SendMenuType()> type,
+	Fn<void()> silent,
+	Fn<void()> schedule);

Telegram/SourceFiles/chat_helpers/stickers_emoji_pack.cpp

@@ -19,6 +19,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "apiwrap.h"
 #include "styles/style_history.h"
 
+#include <QtCore/QBuffer>
+
 namespace Stickers {
 namespace details {
 
@@ -43,7 +45,7 @@ private:
 
 namespace {
 
-constexpr auto kRefreshTimeout = TimeId(7200);
+constexpr auto kRefreshTimeout = 7200 * crl::time(1000);
 constexpr auto kClearSourceTimeout = 10 * crl::time(1000);
 
 [[nodiscard]] QSize SingleSize() {
@@ -317,14 +319,14 @@ EmojiImageLoader::EmojiImageLoader(
 }
 
 QImage EmojiImageLoader::prepare(EmojiPtr emoji) {
-	_images->ensureLoaded();
+	const auto loaded = _images->ensureLoaded();
 	const auto factor = cIntRetinaFactor();
 	const auto side = st::largeEmojiSize + 2 * st::largeEmojiOutline;
 	auto tinted = QImage(
 		QSize(st::largeEmojiSize, st::largeEmojiSize) * factor,
 		QImage::Format_ARGB32_Premultiplied);
 	tinted.fill(Qt::white);
-	{
+	if (loaded) {
 		QPainter p(&tinted);
 		p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
 		_images->draw(
@@ -338,7 +340,7 @@ QImage EmojiImageLoader::prepare(EmojiPtr emoji) {
 		QSize(side, side) * factor,
 		QImage::Format_ARGB32_Premultiplied);
 	result.fill(Qt::transparent);
-	{
+	if (loaded) {
 		QPainter p(&result);
 		const auto delta = st::largeEmojiOutline * factor;
 		const auto planar = std::array<QPoint, 4>{ {

Telegram/SourceFiles/chat_helpers/stickers_list_widget.cpp

@@ -34,6 +34,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "styles/style_chat_helpers.h"
 #include "styles/style_window.h"
 
+#include <QtWidgets/QApplication>
+
 namespace ChatHelpers {
 namespace {
 
@@ -1574,6 +1576,8 @@ int StickersListWidget::megagroupSetInfoLeft() const {
 }
 
 void StickersListWidget::paintMegagroupEmptySet(Painter &p, int y, bool buttonSelected) {
+	p.setPen(st::emojiPanHeaderFg);
+
 	auto infoLeft = megagroupSetInfoLeft();
 	_megagroupSetAbout.drawLeft(p, infoLeft, y, width() - infoLeft, width());
 
@@ -1890,7 +1894,18 @@ void StickersListWidget::mouseReleaseEvent(QMouseEvent *e) {
 				}
 				return;
 			}
-			_chosen.fire_copy(set.stickers[sticker->index].document);
+			const auto document = set.stickers[sticker->index].document;
+			if (e->modifiers() & Qt::ControlModifier) {
+				if (document->sticker()
+					&& document->sticker()->set.type() != mtpc_inputStickerSetEmpty) {
+					_displayingSet = true;
+					checkHideWithBox(StickerSetBox::Show(
+						controller(),
+						document));
+				}
+			} else {
+				_chosen.fire_copy(document);
+			}
 		} else if (auto set = base::get_if<OverSet>(&pressed)) {
 			Assert(set->section >= 0 && set->section < sets.size());
 			displaySet(sets[set->section].id);
@@ -2525,7 +2540,7 @@ void StickersListWidget::fillIcons(QList<StickerIcon> &icons) {
 }
 
 bool StickersListWidget::preventAutoHide() {
-	return _removingSetId != 0 || _displayingSetId != 0;
+	return _removingSetId != 0 || _displayingSet != 0;
 }
 
 void StickersListWidget::updateSelected() {
@@ -2756,12 +2771,10 @@ void StickersListWidget::beforeHiding() {
 void StickersListWidget::displaySet(uint64 setId) {
 	if (setId == Stickers::MegagroupSetId) {
 		if (_megagroupSet->canEditStickers()) {
-			_displayingSetId = setId;
-			auto box = Ui::show(Box<StickersBox>(_megagroupSet));
-			connect(box, &QObject::destroyed, this, [this] {
-				_displayingSetId = 0;
-				_checkForHide.fire({});
-			});
+			_displayingSet = true;
+			checkHideWithBox(Ui::show(
+				Box<StickersBox>(_megagroupSet),
+				LayerOption::KeepOther).data());
 			return;
 		} else if (_megagroupSet->mgInfo->stickerSet.type() == mtpc_inputStickerSetID) {
 			setId = _megagroupSet->mgInfo->stickerSet.c_inputStickerSetID().vid().v;
@@ -2772,17 +2785,23 @@ void StickersListWidget::displaySet(uint64 setId) {
 	auto &sets = session().data().stickerSets();
 	auto it = sets.constFind(setId);
 	if (it != sets.cend()) {
-		_displayingSetId = setId;
-		auto box = Ui::show(
+		_displayingSet = true;
+		checkHideWithBox(Ui::show(
 			Box<StickerSetBox>(controller(), Stickers::inputSetId(*it)),
-			LayerOption::KeepOther);
-		connect(box, &QObject::destroyed, this, [this] {
-			_displayingSetId = 0;
-			_checkForHide.fire({});
-		});
+			LayerOption::KeepOther).data());
 	}
 }
 
+void StickersListWidget::checkHideWithBox(QPointer<BoxContent> box) {
+	if (!box) {
+		return;
+	}
+	connect(box, &QObject::destroyed, this, [=] {
+		_displayingSet = false;
+		_checkForHide.fire({});
+	});
+}
+
 void StickersListWidget::installSet(uint64 setId) {
 	auto &sets = session().data().stickerSets();
 	auto it = sets.constFind(setId);

Telegram/SourceFiles/chat_helpers/stickers_list_widget.h

@@ -12,6 +12,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/variant.h"
 #include "base/timer.h"
 
+class BoxContent;
+
 namespace Main {
 class Session;
 } // namespace Main
@@ -201,6 +203,7 @@ private:
 
 	void setSection(Section section);
 	void displaySet(uint64 setId);
+	void checkHideWithBox(QPointer<BoxContent> box);
 	void installSet(uint64 setId);
 	void removeMegagroupSet(bool locally);
 	void removeSet(uint64 setId);
@@ -310,7 +313,7 @@ private:
 
 	Section _section = Section::Stickers;
 
-	uint64 _displayingSetId = 0;
+	bool _displayingSet = false;
 	uint64 _removingSetId = 0;
 
 	Footer *_footer = nullptr;

Telegram/SourceFiles/chat_helpers/tabbed_panel.cpp

@@ -26,20 +26,27 @@ constexpr auto kDelayedHideTimeoutMs = 3000;
 
 TabbedPanel::TabbedPanel(
 	QWidget *parent,
-	not_null<Window::SessionController*> controller)
-: TabbedPanel(
-	parent,
-	controller,
-	object_ptr<TabbedSelector>(nullptr, controller)) {
+	not_null<Window::SessionController*> controller,
+	not_null<TabbedSelector*> selector)
+: TabbedPanel(parent, controller, { nullptr }, selector) {
 }
 
 TabbedPanel::TabbedPanel(
 	QWidget *parent,
 	not_null<Window::SessionController*> controller,
 	object_ptr<TabbedSelector> selector)
+: TabbedPanel(parent, controller, std::move(selector), nullptr) {
+}
+
+TabbedPanel::TabbedPanel(
+	QWidget *parent,
+	not_null<Window::SessionController*> controller,
+	object_ptr<TabbedSelector> ownedSelector,
+	TabbedSelector *nonOwnedSelector)
 : RpWidget(parent)
 , _controller(controller)
-, _selector(std::move(selector))
+, _ownedSelector(std::move(ownedSelector))
+, _selector(nonOwnedSelector ? nonOwnedSelector : _ownedSelector.data())
 , _heightRatio(st::emojiPanHeightRatio)
 , _minContentHeight(st::emojiPanMinHeight)
 , _maxContentHeight(st::emojiPanMaxHeight) {
@@ -103,6 +110,15 @@ TabbedPanel::TabbedPanel(
 	setAttribute(Qt::WA_OpaquePaintEvent, false);
 
 	hideChildren();
+	hide();
+}
+
+not_null<TabbedSelector*> TabbedPanel::selector() const {
+	return _selector;
+}
+
+bool TabbedPanel::isSelectorStolen() const {
+	return (_selector->parent() != this);
 }
 
 void TabbedPanel::moveBottomRight(int bottom, int right) {
@@ -365,17 +381,6 @@ void TabbedPanel::toggleAnimated() {
 	}
 }
 
-object_ptr<TabbedSelector> TabbedPanel::takeSelector() {
-	if (!isHidden() && !_hiding) {
-		startOpacityAnimation(true);
-	}
-	return std::move(_selector);
-}
-
-QPointer<TabbedSelector> TabbedPanel::getSelector() const {
-	return _selector.data();
-}
-
 void TabbedPanel::hideFinished() {
 	hide();
 	_a_show.stop();
@@ -449,6 +454,10 @@ bool TabbedPanel::overlaps(const QRect &globalRect) const {
 		|| inner.marginsRemoved(QMargins(0, st::buttonRadius, 0, st::buttonRadius)).contains(testRect);
 }
 
-TabbedPanel::~TabbedPanel() = default;
+TabbedPanel::~TabbedPanel() {
+	if (!_ownedSelector) {
+		_controller->takeTabbedSelectorOwnershipFrom(this);
+	}
+}
 
 } // namespace ChatHelpers

Telegram/SourceFiles/chat_helpers/tabbed_panel.h

@@ -25,14 +25,18 @@ class TabbedSelector;
 
 class TabbedPanel : public Ui::RpWidget {
 public:
-	TabbedPanel(QWidget *parent, not_null<Window::SessionController*> controller);
+	TabbedPanel(
+		QWidget *parent,
+		not_null<Window::SessionController*> controller,
+		not_null<TabbedSelector*> selector);
 	TabbedPanel(
 		QWidget *parent,
 		not_null<Window::SessionController*> controller,
 		object_ptr<TabbedSelector> selector);
 
-	object_ptr<TabbedSelector> takeSelector();
-	QPointer<TabbedSelector> getSelector() const;
+	[[nodiscard]] bool isSelectorStolen() const;
+	[[nodiscard]] not_null<TabbedSelector*> selector() const;
+
 	void moveBottomRight(int bottom, int right);
 	void setDesiredHeightValues(
 		float64 ratio,
@@ -62,6 +66,12 @@ protected:
 	bool eventFilter(QObject *obj, QEvent *e) override;
 
 private:
+	TabbedPanel(
+		QWidget *parent,
+		not_null<Window::SessionController*> controller,
+		object_ptr<TabbedSelector> ownedSelector,
+		TabbedSelector *nonOwnedSelector);
+
 	void hideByTimerOrLeave();
 	void moveByBottom();
 	bool isDestroying() const {
@@ -87,8 +97,9 @@ private:
 	bool preventAutoHide() const;
 	void updateContentHeight();
 
-	not_null<Window::SessionController*> _controller;
-	object_ptr<TabbedSelector> _selector;
+	const not_null<Window::SessionController*> _controller;
+	const object_ptr<TabbedSelector> _ownedSelector = { nullptr };
+	const not_null<TabbedSelector*> _selector;
 
 	int _contentMaxHeight = 0;
 	int _contentHeight = 0;

Telegram/SourceFiles/chat_helpers/tabbed_section.cpp

@@ -7,56 +7,27 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "chat_helpers/tabbed_section.h"
 
-#include "styles/style_chat_helpers.h"
 #include "chat_helpers/tabbed_selector.h"
+#include "window/window_session_controller.h"
+#include "styles/style_chat_helpers.h"
 
 namespace ChatHelpers {
 
-TabbedMemento::TabbedMemento(
-	object_ptr<TabbedSelector> selector,
-	Fn<void(object_ptr<TabbedSelector>)> returnMethod)
-: _selector(std::move(selector))
-, _returnMethod(std::move(returnMethod)) {
-}
-
 object_ptr<Window::SectionWidget> TabbedMemento::createWidget(
 		QWidget *parent,
 		not_null<Window::SessionController*> controller,
 		Window::Column column,
 		const QRect &geometry) {
-	auto result = object_ptr<TabbedSection>(
-		parent,
-		controller,
-		std::move(_selector),
-		std::move(_returnMethod));
+	auto result = object_ptr<TabbedSection>(parent, controller);
 	result->setGeometry(geometry);
 	return std::move(result);
 }
 
-TabbedMemento::~TabbedMemento() {
-	if (_returnMethod && _selector) {
-		_returnMethod(std::move(_selector));
-	}
-}
-
 TabbedSection::TabbedSection(
 	QWidget *parent,
 	not_null<Window::SessionController*> controller)
-: TabbedSection(
-	parent,
-	controller,
-	object_ptr<TabbedSelector>(this, controller),
-	Fn<void(object_ptr<TabbedSelector>)>()) {
-}
-
-TabbedSection::TabbedSection(
-	QWidget *parent,
-	not_null<Window::SessionController*> controller,
-	object_ptr<TabbedSelector> selector,
-	Fn<void(object_ptr<TabbedSelector>)> returnMethod)
 : Window::SectionWidget(parent, controller)
-, _selector(std::move(selector))
-, _returnMethod(std::move(returnMethod)) {
+, _selector(controller->tabbedSelector()) {
 	_selector->setParent(this);
 	_selector->setRoundRadius(0);
 	_selector->setGeometry(rect());
@@ -80,14 +51,6 @@ void TabbedSection::resizeEvent(QResizeEvent *e) {
 	_selector->setGeometry(rect());
 }
 
-object_ptr<TabbedSelector> TabbedSection::takeSelector() {
-	_selector->beforeHiding();
-	return std::move(_selector);
-}
-
-QPointer<TabbedSelector> TabbedSection::getSelector() const {
-	return _selector.data();
-}
 bool TabbedSection::showInternal(
 		not_null<Window::SectionMemento*> memento,
 		const Window::SectionShow &params) {
@@ -104,9 +67,7 @@ QRect TabbedSection::rectForFloatPlayer() const {
 
 TabbedSection::~TabbedSection() {
 	beforeHiding();
-	if (_returnMethod) {
-		_returnMethod(takeSelector());
-	}
+	controller()->takeTabbedSelectorOwnershipFrom(this);
 }
 
 } // namespace ChatHelpers

Telegram/SourceFiles/chat_helpers/tabbed_section.h

@@ -16,9 +16,7 @@ class TabbedSelector;
 
 class TabbedMemento : public Window::SectionMemento {
 public:
-	TabbedMemento(
-		object_ptr<TabbedSelector> selector,
-		Fn<void(object_ptr<TabbedSelector>)> returnMethod);
+	TabbedMemento() = default;
 	TabbedMemento(TabbedMemento &&other) = default;
 	TabbedMemento &operator=(TabbedMemento &&other) = default;
 
@@ -28,12 +26,6 @@ public:
 		Window::Column column,
 		const QRect &geometry) override;
 
-	~TabbedMemento();
-
-private:
-	object_ptr<TabbedSelector> _selector;
-	Fn<void(object_ptr<TabbedSelector>)> _returnMethod;
-
 };
 
 class TabbedSection : public Window::SectionWidget {
@@ -41,18 +33,10 @@ public:
 	TabbedSection(
 		QWidget *parent,
 		not_null<Window::SessionController*> controller);
-	TabbedSection(
-		QWidget *parent,
-		not_null<Window::SessionController*> controller,
-		object_ptr<TabbedSelector> selector,
-		Fn<void(object_ptr<TabbedSelector>)> returnMethod);
 
 	void beforeHiding();
 	void afterShown();
 
-	object_ptr<TabbedSelector> takeSelector();
-	QPointer<TabbedSelector> getSelector() const;
-
 	bool showInternal(
 		not_null<Window::SectionMemento*> memento,
 		const Window::SectionShow &params) override;
@@ -73,8 +57,7 @@ protected:
 	}
 
 private:
-	object_ptr<TabbedSelector> _selector;
-	Fn<void(object_ptr<TabbedSelector>)> _returnMethod;
+	const not_null<TabbedSelector*> _selector;
 
 };
 

Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp

@@ -11,7 +11,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "chat_helpers/stickers_list_widget.h"
 #include "chat_helpers/gifs_list_widget.h"
 #include "chat_helpers/stickers.h"
-#include "styles/style_chat_helpers.h"
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/labels.h"
 #include "ui/widgets/shadow.h"
@@ -21,10 +20,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/window_session_controller.h"
 #include "storage/localstorage.h"
 #include "data/data_channel.h"
+#include "data/data_session.h"
 #include "lang/lang_keys.h"
 #include "mainwindow.h"
 #include "observer_peer.h"
 #include "apiwrap.h"
+#include "styles/style_chat_helpers.h"
 
 namespace ChatHelpers {
 
@@ -291,8 +292,8 @@ TabbedSelector::TabbedSelector(
 	createTab(SelectorTab::Gifs),
 } }
 , _currentTabType(full()
-	? session().settings().selectorTab()
-	: SelectorTab::Emoji) {
+		? session().settings().selectorTab()
+		: SelectorTab::Emoji) {
 	resize(st::emojiPanWidth, st::emojiPanMaxHeight);
 
 	for (auto &tab : _tabs) {
@@ -364,10 +365,16 @@ TabbedSelector::TabbedSelector(
 			stickers()->showStickerSet(setId);
 			_showRequests.fire({});
 		}, lifetime());
+
+		session().data().stickersUpdated(
+		) | rpl::start_with_next([=] {
+			refreshStickers();
+		}, lifetime());
 	}
 	//setAttribute(Qt::WA_AcceptTouchEvents);
 	setAttribute(Qt::WA_OpaquePaintEvent, false);
 	showAll();
+	hide();
 }
 
 TabbedSelector::~TabbedSelector() = default;
@@ -651,13 +658,6 @@ void TabbedSelector::afterShown() {
 	}
 }
 
-void TabbedSelector::showMegagroupSet(ChannelData *megagroup) {
-	if (!full()) {
-		return;
-	}
-	stickers()->showMegagroupSet(megagroup);
-}
-
 void TabbedSelector::setCurrentPeer(PeerData *peer) {
 	if (!full()) {
 		return;
@@ -665,6 +665,7 @@ void TabbedSelector::setCurrentPeer(PeerData *peer) {
 	gifs()->setInlineQueryPeer(peer);
 	_currentPeer = peer;
 	checkRestrictedPeer();
+	stickers()->showMegagroupSet(peer ? peer->asMegagroup() : nullptr);
 }
 
 void TabbedSelector::checkRestrictedPeer() {

Telegram/SourceFiles/chat_helpers/tabbed_selector.h

@@ -70,7 +70,6 @@ public:
 
 	void setRoundRadius(int radius);
 	void refreshStickers();
-	void showMegagroupSet(ChannelData *megagroup);
 	void setCurrentPeer(PeerData *peer);
 
 	void hideFinished();

Telegram/SourceFiles/codegen/style/generator.cpp

@@ -28,6 +28,11 @@ namespace {
 
 constexpr int kErrorBadIconSize     = 861;
 
+const auto kMustBeContrast = std::map<QString, QString>{
+	{ "dialogsMenuIconFg", "dialogsBg" },
+	{ "windowBoldFg", "windowBg" },
+};
+
 // crc32 hash, taken somewhere from the internet
 
 class Crc32Table {
@@ -797,6 +802,15 @@ void palette::finalize() {\n\
 	auto count = indexInPalette;
 	auto checksum = hashCrc32(checksumString.constData(), checksumString.size());
 
+	source_->stream() << "\n\n";
+	for (const auto &[over, under] : kMustBeContrast) {
+		const auto overIndex = paletteIndices_.find(over);
+		const auto underIndex = paletteIndices_.find(under);
+		if (overIndex == paletteIndices_.end() || underIndex == paletteIndices_.end()) {
+			return false;
+		}
+		source_->stream() << "\tinternal::EnsureContrast(*data(" << overIndex->second << "), *data(" << underIndex->second << "));\n";
+	}
 	source_->stream() << "\
 }\n\
 \n\

Telegram/SourceFiles/config.h

@@ -70,18 +70,6 @@ enum {
 	ChoosePeerByDragTimeout = 1000, // 1 second mouse not moved to choose dialog when dragging a file
 };
 
-#ifdef Q_OS_WIN
-inline const GUID &cGUID() {
-#ifndef OS_MAC_STORE
-	static const GUID gGuid = { 0x87a94ab0, 0xe370, 0x4cde, { 0x98, 0xd3, 0xac, 0xc1, 0x10, 0xc5, 0x96, 0x7d } };
-#else // OS_MAC_STORE
-	static const GUID gGuid = { 0xe51fb841, 0x8c0b, 0x4ef9, { 0x9e, 0x9e, 0x5a, 0x0, 0x78, 0x56, 0x76, 0x27 } };
-#endif // OS_MAC_STORE
-
-	return gGuid;
-}
-#endif
-
 inline const char *cGUIDStr() {
 #ifndef OS_MAC_STORE
 	static const char *gGuidStr = "{87A94AB0-E370-4cde-98D3-ACC110C5967D}";

Telegram/SourceFiles/core/application.cpp

@@ -62,6 +62,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/confirm_box.h"
 #include "boxes/share_box.h"
 
+#include <QtWidgets/QDesktopWidget>
+#include <QtCore/QMimeDatabase>
+#include <QtGui/QGuiApplication>
+#include <QtGui/QDesktopServices>
+
 namespace Core {
 namespace {
 
@@ -138,7 +143,7 @@ Application::~Application() {
 	stopWebLoadManager();
 	App::deinitMedia();
 
-	Window::Theme::Unload();
+	Window::Theme::Uninitialize();
 
 	Media::Player::finish(_audio.get());
 	style::stopManager();
@@ -279,6 +284,14 @@ void Application::showDocument(not_null<DocumentData*> document, HistoryItem *it
 	}
 }
 
+void Application::showTheme(
+		not_null<DocumentData*> document,
+		const Data::CloudTheme &cloud) {
+	_mediaView->showTheme(document, cloud);
+	_mediaView->activateWindow();
+	_mediaView->setFocus();
+}
+
 PeerData *Application::ui_getPeerForMouseAction() {
 	if (_mediaView && !_mediaView->isHidden()) {
 		return _mediaView->ui_getPeerForMouseAction();
@@ -336,6 +349,10 @@ bool Application::eventFilter(QObject *object, QEvent *e) {
 	return QObject::eventFilter(object, e);
 }
 
+void Application::saveSettingsDelayed(crl::time delay) {
+	_saveSettingsTimer.callOnce(delay);
+}
+
 void Application::setCurrentProxy(
 		const ProxyData &proxy,
 		ProxyData::Settings settings) {
@@ -381,6 +398,7 @@ void Application::startLocalStorage() {
 			}
 		}
 	});
+	_saveSettingsTimer.setCallback([=] { Local::writeSettings(); });
 }
 
 void Application::forceLogOut(const TextWithEntities &explanation) {
@@ -583,6 +601,10 @@ void Application::lockByPasscode() {
 
 void Application::unlockPasscode() {
 	clearPasscodeLock();
+	if (!activeAccount().mtp()) {
+		// We unlocked initial passcode, so we just start mtproto.
+		activeAccount().startMtp();
+	}
 	if (_window) {
 		_window->clearPasscodeLock();
 	}

Telegram/SourceFiles/core/application.h

@@ -7,8 +7,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#include "base/observer.h"
+#include "core/core_settings.h"
 #include "mtproto/auth_key.h"
+#include "base/observer.h"
 #include "base/timer.h"
 
 class MainWindow;
@@ -67,6 +68,10 @@ class Translator;
 class CloudManager;
 } // namespace Lang
 
+namespace Data {
+struct CloudTheme;
+} // namespace Data
+
 namespace Core {
 
 class Launcher;
@@ -94,9 +99,6 @@ public:
 	bool closeActiveWindow();
 	bool minimizeActiveWindow();
 	QWidget *getFileDialogParent();
-	QWidget *getGlobalShortcutParent() {
-		return &_globalShortcutParent;
-	}
 
 	// Media view interface.
 	void checkMediaViewActivation();
@@ -105,6 +107,9 @@ public:
 	void showPhoto(not_null<PhotoData*> photo, HistoryItem *item);
 	void showPhoto(not_null<PhotoData*> photo, not_null<PeerData*> item);
 	void showDocument(not_null<DocumentData*> document, HistoryItem *item);
+	void showTheme(
+		not_null<DocumentData*> document,
+		const Data::CloudTheme &cloud);
 	PeerData *ui_getPeerForMouseAction();
 
 	QPoint getPointForCallPanelCenter() const;
@@ -115,7 +120,13 @@ public:
 		return _logoNoMargin;
 	}
 
-	// MTProto components.
+	[[nodiscard]] Settings &settings() {
+		return _settings;
+	}
+	void moveSettingsFrom(Settings &&other);
+	void saveSettingsDelayed(crl::time delay = kDefaultSaveDelay);
+
+	// Dc options and proxy.
 	MTP::DcOptions *dcOptions() {
 		return _dcOptions.get();
 	}
@@ -221,6 +232,8 @@ protected:
 	bool eventFilter(QObject *object, QEvent *event) override;
 
 private:
+	static constexpr auto kDefaultSaveDelay = crl::time(1000);
+
 	friend bool IsAppLaunched();
 	friend Application &App();
 
@@ -251,8 +264,7 @@ private:
 	// Some fields are just moved from the declaration.
 	struct Private;
 	const std::unique_ptr<Private> _private;
-
-	QWidget _globalShortcutParent;
+	Settings _settings;
 
 	const std::unique_ptr<Storage::Databases> _databases;
 	const std::unique_ptr<Ui::Animations::Manager> _animationsManager;
@@ -276,6 +288,7 @@ private:
 	std::unique_ptr<Window::TermsLock> _termsLock;
 
 	base::DelayedCallTimer _callDelayedTimer;
+	base::Timer _saveSettingsTimer;
 
 	struct LeaveSubscription {
 		LeaveSubscription(

Telegram/SourceFiles/core/changelogs.cpp

@@ -51,7 +51,15 @@ std::map<int, const char*> BetaLogs() {
 		"\xE2\x80\xA2 Use strikethrough and underline formatting.\n"
 
 		"\xE2\x80\xA2 Bug fixes and other minor improvements."
-	}
+	},
+	{
+		1008005,
+		"\xE2\x80\xA2 Create new themes based on your color and wallpaper choices.\n"
+
+		"\xE2\x80\xA2 Share your themes with other users via links.\n"
+
+		"\xE2\x80\xA2 Update your theme for all its users when you change something.\n"
+	},
 	};
 };
 

Telegram/SourceFiles/core/click_handler_types.cpp

@@ -24,6 +24,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_user.h"
 #include "data/data_session.h"
 
+#include <QtGui/QDesktopServices>
+#include <QtGui/QGuiApplication>
+
 namespace {
 
 bool UrlRequiresConfirmation(const QUrl &url) {

Telegram/SourceFiles/core/core_settings.cpp

@@ -0,0 +1,51 @@
+/*
+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 "core/core_settings.h"
+
+#include "storage/serialize_common.h"
+
+namespace Core {
+
+Settings::Variables::Variables() {
+}
+
+QByteArray Settings::serialize() const {
+	const auto themesAccentColors = _variables.themesAccentColors.serialize();
+	auto size = Serialize::bytearraySize(themesAccentColors);
+
+	auto result = QByteArray();
+	result.reserve(size);
+	{
+		QDataStream stream(&result, QIODevice::WriteOnly);
+		stream.setVersion(QDataStream::Qt_5_1);
+		stream << themesAccentColors;
+	}
+	return result;
+}
+
+void Settings::constructFromSerialized(const QByteArray &serialized) {
+	if (serialized.isEmpty()) {
+		return;
+	}
+
+	QDataStream stream(serialized);
+	stream.setVersion(QDataStream::Qt_5_1);
+	QByteArray themesAccentColors;
+
+	stream >> themesAccentColors;
+	if (stream.status() != QDataStream::Ok) {
+		LOG(("App Error: "
+			"Bad data for Core::Settings::constructFromSerialized()"));
+		return;
+	}
+	if (!_variables.themesAccentColors.setFromSerialized(themesAccentColors)) {
+		return;
+	}
+}
+
+} // namespace Core

Telegram/SourceFiles/core/core_settings.h

@@ -0,0 +1,40 @@
+/*
+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 "window/themes/window_themes_embedded.h"
+
+namespace Core {
+
+class Settings final {
+public:
+	void moveFrom(Settings &&other) {
+		_variables = std::move(other._variables);
+	}
+	[[nodiscard]] QByteArray serialize() const;
+	void constructFromSerialized(const QByteArray &serialized);
+
+	void setThemesAccentColors(Window::Theme::AccentColors &&colors) {
+		_variables.themesAccentColors = std::move(colors);
+	}
+	[[nodiscard]] Window::Theme::AccentColors &themesAccentColors() {
+		return _variables.themesAccentColors;
+	}
+
+private:
+	struct Variables {
+		Variables();
+
+		Window::Theme::AccentColors themesAccentColors;
+	};
+
+	Variables _variables;
+
+};
+
+} // namespace Core

Telegram/SourceFiles/core/crash_report_window.cpp

@@ -15,6 +15,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "platform/platform_specific.h"
 #include "base/zlib_help.h"
 
+#include <QtWidgets/QFileDialog>
+#include <QtGui/QScreen>
+#include <QtGui/QDesktopServices>
+#include <QtCore/QStandardPaths>
+
 namespace {
 
 constexpr auto kDefaultProxyPort = 80;

Telegram/SourceFiles/core/crash_report_window.h

@@ -7,6 +7,15 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QLineEdit>
+#include <QtWidgets/QTextEdit>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QCheckBox>
+#include <QtNetwork/QNetworkReply>
+#include <QtNetwork/QHttpMultiPart>
+#include <QtNetwork/QNetworkAccessManager>
+
 namespace Core {
 class Launcher;
 } // namespace Core

Telegram/SourceFiles/core/event_filter.cpp

@@ -11,20 +11,28 @@ namespace Core {
 
 EventFilter::EventFilter(
 	not_null<QObject*> parent,
-	Fn<bool(not_null<QEvent*>)> filter)
+	not_null<QObject*> object,
+	Fn<EventFilter::Result(not_null<QEvent*>)> filter)
 : QObject(parent)
 , _filter(std::move(filter)) {
-	parent->installEventFilter(this);
+	object->installEventFilter(this);
 }
 
 bool EventFilter::eventFilter(QObject *watched, QEvent *event) {
-	return _filter(event);
+	return (_filter(event) == Result::Cancel);
 }
 
 not_null<QObject*> InstallEventFilter(
 		not_null<QObject*> object,
-		Fn<bool(not_null<QEvent*>)> filter) {
-	return new EventFilter(object, std::move(filter));
+		Fn<EventFilter::Result(not_null<QEvent*>)> filter) {
+	return InstallEventFilter(object, object, std::move(filter));
+}
+
+not_null<QObject*> InstallEventFilter(
+		not_null<QObject*> context,
+		not_null<QObject*> object,
+		Fn<EventFilter::Result(not_null<QEvent*>)> filter) {
+	return new EventFilter(context, object, std::move(filter));
 }
 
 } // namespace Core