Moved out peer menu callback and its creation to separated files.

Telegram/SourceFiles/dialogs/dialogs_inner_widget.cpp

@@ -37,6 +37,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lang/lang_keys.h"
 #include "mainwindow.h"
 #include "mainwidget.h"
+#include "menu/add_action_callback_factory.h"
 #include "storage/storage_account.h"
 #include "apiwrap.h"
 #include "main/main_session.h"
@@ -1771,22 +1772,7 @@ void InnerWidget::contextMenuEvent(QContextMenuEvent *e) {
 			fillArchiveSearchMenu(_menu.get());
 		}
 	} else {
-		const auto addAction = Window::PeerMenuCallback([&](
-				Window::PeerMenuCallback::Args &&a) {
-			if (a.fillSubmenu) {
-				const auto action = _menu->addAction(
-					a.text,
-					std::move(a.handler),
-					a.icon);
-				// Dummy menu.
-				action->setMenu(Ui::CreateChild<QMenu>(_menu->menu().get()));
-				a.fillSubmenu(_menu->ensureSubmenu(action));
-				return action;
-			} else if (a.isSeparator) {
-				return _menu->addSeparator();
-			}
-			return _menu->addAction(a.text, std::move(a.handler), a.icon);
-		});
+		const auto addAction = Menu::CreateAddActionCallback(_menu);
 		Window::FillDialogsEntryMenu(
 			_controller,
 			Dialogs::EntryState{

Telegram/SourceFiles/history/view/history_view_top_bar_widget.cpp

@@ -19,6 +19,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "mainwidget.h"
 #include "mainwindow.h"
 #include "main/main_session.h"
+#include "menu/add_action_callback_factory.h"
 #include "mtproto/mtproto_config.h"
 #include "lang/lang_keys.h"
 #include "core/shortcuts.h"
@@ -283,14 +284,14 @@ bool TopBarWidget::createMenu(not_null<Ui::IconButton*> button) {
 	if (!_activeChat.key || _menu) {
 		return false;
 	}
-	_menu.create(this, st::popupMenuExpandedSeparator);
+	_menu = base::make_unique_q<Ui::PopupMenu>(
+		this,
+		st::popupMenuExpandedSeparator);
 	_menu->setDestroyedCallback([
 			weak = Ui::MakeWeak(this),
 			weakButton = Ui::MakeWeak(button),
-			menu = _menu.data()] {
-		menu->deleteLater();
+			menu = _menu.get()] {
 		if (weak && weak->_menu == menu) {
-			weak->_menu = nullptr;
 			if (weakButton) {
 				weakButton->setForceRippled(false);
 			}
@@ -305,25 +306,10 @@ void TopBarWidget::showPeerMenu() {
 	if (!created) {
 		return;
 	}
-	const auto addAction = Window::PeerMenuCallback([&](
-			Window::PeerMenuCallback::Args a) {
-		if (a.fillSubmenu) {
-			const auto action = _menu->addAction(
-				a.text,
-				std::move(a.handler),
-				a.icon);
-			// Dummy menu.
-			action->setMenu(Ui::CreateChild<QMenu>(_menu->menu().get()));
-			a.fillSubmenu(_menu->ensureSubmenu(action));
-			return action;
-		} else if (a.isSeparator) {
-			return _menu->addSeparator();
-		}
-		return _menu->addAction(a.text, std::move(a.handler), a.icon);
-	});
+	const auto addAction = Menu::CreateAddActionCallback(_menu);
 	Window::FillDialogsEntryMenu(_controller, _activeChat, addAction);
 	if (_menu->empty()) {
-		_menu.destroy();
+		_menu = nullptr;
 	} else {
 		_menu->setForcedOrigin(Ui::PanelAnimation::Origin::TopRight);
 		_menu->popup(mapToGlobal(QPoint(

Telegram/SourceFiles/history/view/history_view_top_bar_widget.h

@@ -179,7 +179,7 @@ private:
 	object_ptr<Ui::IconButton> _search;
 	object_ptr<Ui::IconButton> _infoToggle;
 	object_ptr<Ui::IconButton> _menuToggle;
-	object_ptr<Ui::PopupMenu> _menu = { nullptr };
+	base::unique_qptr<Ui::PopupMenu> _menu;
 
 	object_ptr<TWidget> _membersShowArea = { nullptr };
 	rpl::event_stream<bool> _membersShowAreaActive;

Telegram/SourceFiles/info/info_wrap_widget.cpp

@@ -31,6 +31,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/peer_list_box.h"
 #include "ui/boxes/confirm_box.h"
 #include "main/main_session.h"
+#include "menu/add_action_callback_factory.h"
 #include "mtproto/mtproto_config.h"
 #include "data/data_download_manager.h"
 #include "data/data_session.h"
@@ -505,23 +506,7 @@ void WrapWidget::showTopBarMenu() {
 	});
 	_topBarMenuToggle->setForceRippled(true);
 
-	const auto addAction = Window::PeerMenuCallback([=](
-			Window::PeerMenuCallback::Args a) {
-		if (a.isSeparator) {
-			return _topBarMenu->addSeparator();
-		} else if (a.fillSubmenu) {
-			const auto action = _topBarMenu->addAction(
-				a.text,
-				std::move(a.handler),
-				a.icon);
-			// Dummy menu.
-			action->setMenu(
-				Ui::CreateChild<QMenu>(_topBarMenu->menu().get()));
-			a.fillSubmenu(_topBarMenu->ensureSubmenu(action));
-			return action;
-		}
-		return _topBarMenu->addAction(a.text, std::move(a.handler), a.icon);
-	});
+	const auto addAction = Menu::CreateAddActionCallback(_topBarMenu);
 	if (key().isDownloads()) {
 		addAction(
 			tr::lng_context_delete_all_files(tr::now),

Telegram/SourceFiles/menu/add_action_callback.cpp

@@ -0,0 +1,27 @@
+/*
+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 "menu/add_action_callback.h"
+
+namespace Menu {
+
+MenuCallback::MenuCallback(MenuCallback::Callback callback)
+: _callback(std::move(callback)) {
+}
+
+QAction *MenuCallback::operator()(Args &&args) const {
+	return _callback(std::move(args));
+}
+
+QAction *MenuCallback::operator()(
+		const QString &text,
+		Fn<void()> handler,
+		const style::icon *icon) const {
+	return _callback({ text, std::move(handler), icon, nullptr });
+}
+
+} // namespace Menu

Telegram/SourceFiles/menu/add_action_callback.h

@@ -0,0 +1,38 @@
+/*
+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 Ui {
+class PopupMenu;
+} // namespace Ui
+
+namespace Menu {
+
+struct MenuCallback final {
+public:
+	struct Args {
+		QString text;
+		Fn<void()> handler;
+		const style::icon *icon;
+		Fn<void(not_null<Ui::PopupMenu*>)> fillSubmenu;
+		bool isSeparator = false;
+	};
+	using Callback = Fn<QAction*(Args&&)>;
+
+	explicit MenuCallback(Callback callback);
+
+	QAction *operator()(Args &&args) const;
+	QAction *operator()(
+		const QString &text,
+		Fn<void()> handler,
+		const style::icon *icon) const;
+private:
+	Callback _callback;
+};
+
+} // namespace Menu

Telegram/SourceFiles/menu/add_action_callback_factory.cpp

@@ -0,0 +1,34 @@
+/*
+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 "menu/add_action_callback_factory.h"
+
+#include "menu/add_action_callback.h"
+#include "ui/widgets/popup_menu.h"
+
+namespace Menu {
+
+MenuCallback CreateAddActionCallback(
+		const base::unique_qptr<Ui::PopupMenu> &menu) {
+	return MenuCallback([&](MenuCallback::Args a) {
+		if (a.fillSubmenu) {
+			const auto action = menu->addAction(
+				a.text,
+				std::move(a.handler),
+				a.icon);
+			// Dummy menu.
+			action->setMenu(Ui::CreateChild<QMenu>(menu->menu().get()));
+			a.fillSubmenu(menu->ensureSubmenu(action));
+			return action;
+		} else if (a.isSeparator) {
+			return menu->addSeparator();
+		}
+		return menu->addAction(a.text, std::move(a.handler), a.icon);
+	});
+}
+
+} // namespace Menu

Telegram/SourceFiles/menu/add_action_callback_factory.h

@@ -0,0 +1,23 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "base/unique_qptr.h"
+
+namespace Ui {
+class PopupMenu;
+} // namespace Ui
+
+namespace Menu {
+
+struct MenuCallback;
+
+[[nodiscard]] MenuCallback CreateAddActionCallback(
+	const base::unique_qptr<Ui::PopupMenu> &menu);
+
+} // namespace Menu

Telegram/SourceFiles/window/window_peer_menu.h

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "api/api_common.h"
 #include "menu/menu_send.h"
 #include "data/data_poll.h"
+#include "menu/add_action_callback.h"
 
 class History;
 
@@ -38,33 +39,7 @@ class SessionNavigation;
 
 extern const char kOptionViewProfileInChatsListContextMenu[];
 
-struct PeerMenuCallback {
-public:
-	struct Args {
-		QString text;
-		Fn<void()> handler;
-		const style::icon *icon;
-		Fn<void(not_null<Ui::PopupMenu*>)> fillSubmenu;
-		bool isSeparator = false;
-	};
-	using Callback = Fn<QAction*(Args&&)>;
-
-	explicit PeerMenuCallback(Callback callback)
-	: callback(std::move(callback)) {
-	}
-
-	QAction *operator()(Args &&args) const {
-		return callback(std::move(args));
-	}
-	QAction *operator()(
-			const QString &text,
-			Fn<void()> handler,
-			const style::icon *icon) const {
-		return callback({ text, std::move(handler), icon, nullptr });
-	}
-private:
-	Callback callback;
-};
+using PeerMenuCallback = Menu::MenuCallback;
 
 void FillDialogsEntryMenu(
 	not_null<SessionController*> controller,

Telegram/cmake/td_ui.cmake

@@ -102,6 +102,10 @@ PRIVATE
     media/player/media_player_dropdown.cpp
     media/player/media_player_dropdown.h
 
+    menu/add_action_callback.cpp
+    menu/add_action_callback.h
+    menu/add_action_callback_factory.cpp
+    menu/add_action_callback_factory.h
     menu/menu_check_item.cpp
     menu/menu_check_item.h
     menu/menu_ttl.cpp