Added choosing sticker action to field autocomplete.

Telegram/SourceFiles/chat_helpers/field_autocomplete.cpp

@@ -199,6 +199,11 @@ auto FieldAutocomplete::stickerChosen() const
 	return _inner->stickerChosen();
 }
 
+auto FieldAutocomplete::choosingProcesses() const
+-> rpl::producer<FieldAutocomplete::Type> {
+	return _scroll->scrollTopChanges() | rpl::map([=] { return _type; });
+}
+
 FieldAutocomplete::~FieldAutocomplete() = default;
 
 void FieldAutocomplete::paintEvent(QPaintEvent *e) {

Telegram/SourceFiles/chat_helpers/field_autocomplete.h

@@ -87,6 +87,12 @@ public:
 		Api::SendOptions options;
 		ChooseMethod method;
 	};
+	enum class Type {
+		Mentions,
+		Hashtags,
+		BotCommands,
+		Stickers,
+	};
 
 	bool chooseSelected(ChooseMethod method) const;
 
@@ -111,6 +117,7 @@ public:
 	rpl::producer<HashtagChosen> hashtagChosen() const;
 	rpl::producer<BotCommandChosen> botCommandChosen() const;
 	rpl::producer<StickerChosen> stickerChosen() const;
+	rpl::producer<Type> choosingProcesses() const;
 
 public Q_SLOTS:
 	void showAnimated();
@@ -176,12 +183,6 @@ private:
 	ChannelData *_channel = nullptr;
 	EmojiPtr _emoji;
 	uint64 _stickersSeed = 0;
-	enum class Type {
-		Mentions,
-		Hashtags,
-		BotCommands,
-		Stickers,
-	};
 	Type _type = Type::Mentions;
 	QString _filter;
 	QRect _boundings;

Telegram/SourceFiles/history/history_widget.cpp

@@ -360,6 +360,18 @@ HistoryWidget::HistoryWidget(
 			: _keyboard->moderateKeyActivate(key);
 	});
 
+	_fieldAutocomplete->choosingProcesses(
+	) | rpl::start_with_next([=](FieldAutocomplete::Type type) {
+		if (!_history) {
+			return;
+		}
+		if (type == FieldAutocomplete::Type::Stickers) {
+			session().sendProgressManager().update(
+				_history,
+				Api::SendProgressType::ChooseSticker);
+		}
+	}, lifetime());
+
 	_fieldAutocomplete->setSendMenuType([=] { return sendMenuType(); });
 
 	if (_supportAutocomplete) {

Telegram/SourceFiles/history/view/controls/history_view_compose_controls.cpp

@@ -1236,6 +1236,15 @@ void ComposeControls::initAutocomplete() {
 		});
 	}, _autocomplete->lifetime());
 
+	_autocomplete->choosingProcesses(
+	) | rpl::start_with_next([=](FieldAutocomplete::Type type) {
+		if (type == FieldAutocomplete::Type::Stickers) {
+			_sendActionUpdates.fire({
+				.type = Api::SendProgressType::ChooseSticker,
+			});
+		}
+	}, _autocomplete->lifetime());
+
 	_autocomplete->setSendMenuType([=] { return sendMenuType(); });
 
 	//_autocomplete->setModerateKeyActivateCallback([=](int key) {