Added menu action with dynamic image thumbnail.

Telegram/SourceFiles/menu/menu_action_with_thumbnail.cpp

@@ -0,0 +1,47 @@
+/*
+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/menu_action_with_thumbnail.h"
+
+#include "ui/dynamic_image.h"
+#include "ui/painter.h"
+
+namespace Menu {
+
+ActionWithThumbnail::ActionWithThumbnail(
+	not_null<Ui::Menu::Menu*> parent,
+	const style::Menu &st,
+	not_null<QAction*> action,
+	std::shared_ptr<Ui::DynamicImage> thumbnail,
+	int thumbnailSize)
+: Ui::Menu::Action(parent, st, action, nullptr, nullptr)
+, _thumbnail(std::move(thumbnail))
+, _thumbnailSize(thumbnailSize) {
+	if (_thumbnail) {
+		_thumbnail->subscribeToUpdates([=] { update(); });
+	}
+}
+
+ActionWithThumbnail::~ActionWithThumbnail() {
+	if (_thumbnail) {
+		_thumbnail->subscribeToUpdates(nullptr);
+	}
+}
+
+void ActionWithThumbnail::paintEvent(QPaintEvent *e) {
+	Ui::Menu::Action::paintEvent(e);
+	if (!_thumbnail) {
+		return;
+	}
+	auto p = QPainter(this);
+	const auto pos = st().itemIconPosition;
+	p.drawImage(
+		QRect(pos.x(), pos.y(), _thumbnailSize, _thumbnailSize),
+		_thumbnail->image(_thumbnailSize));
+}
+
+} // namespace Menu

Telegram/SourceFiles/menu/menu_action_with_thumbnail.h

@@ -0,0 +1,37 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "ui/widgets/menu/menu_action.h"
+
+namespace Ui {
+class DynamicImage;
+} // namespace Ui
+
+namespace Menu {
+
+class ActionWithThumbnail final : public Ui::Menu::Action {
+public:
+	ActionWithThumbnail(
+		not_null<Ui::Menu::Menu*> parent,
+		const style::Menu &st,
+		not_null<QAction*> action,
+		std::shared_ptr<Ui::DynamicImage> thumbnail,
+		int thumbnailSize);
+	~ActionWithThumbnail();
+
+protected:
+	void paintEvent(QPaintEvent *e) override;
+
+private:
+	std::shared_ptr<Ui::DynamicImage> _thumbnail;
+	int _thumbnailSize = 0;
+
+};
+
+} // namespace Menu

Telegram/cmake/td_ui.cmake

@@ -223,6 +223,8 @@ PRIVATE
 
     menu/gift_resale_filter.cpp
     menu/gift_resale_filter.h
+    menu/menu_action_with_thumbnail.cpp
+    menu/menu_action_with_thumbnail.h
     menu/menu_checked_action.cpp
     menu/menu_checked_action.h
     menu/menu_check_item.cpp