[Improvement] Use dropdown menu instead of popup menu in sticker set

Telegram/SourceFiles/boxes/sticker_set_box.cpp

@@ -25,6 +25,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/scroll_area.h"
 #include "ui/widgets/gradient_round_button.h"
+#include "ui/widgets/dropdown_menu.h"
 #include "ui/image/image.h"
 #include "ui/image/image_location_factory.h"
 #include "ui/text/text_utilities.h"
@@ -51,6 +52,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "api/api_common.h"
 #include "mainwidget.h"
 #include "mainwindow.h"
+#include "styles/style_info.h"
 #include "styles/style_layers.h"
 #include "styles/style_chat_helpers.h"
 #include "styles/style_info.h"
@@ -537,6 +539,9 @@ void StickerSetBox::updateButtons() {
 					? tr::lng_stickers_copied_emoji(tr::now)
 					: tr::lng_stickers_copied(tr::now));
 		};
+		const auto moreButton = addTopButton(st::infoTopBarMenu);
+		moreButton->setClickedCallback([=] { showMenu(moreButton.data()); });
+
 		if (_inner->notInstalled()) {
 			if (!_session->premium()
 				&& _session->premiumPossible()
@@ -567,6 +572,7 @@ void StickerSetBox::updateButtons() {
 				addButton(tr::lng_cancel(), [=] { closeBox(); });
 			}
 
+			/*
 			if (!_inner->shortName().isEmpty()) {
 				const auto top = addTopButton(st::infoTopBarMenu);
 				const auto menu
@@ -587,6 +593,7 @@ void StickerSetBox::updateButtons() {
 					return true;
 				});
 			}
+			*/
 		} else if (_inner->official()) {
 			addButton(tr::lng_about_done(), [=] { closeBox(); });
 		} else {
@@ -598,6 +605,7 @@ void StickerSetBox::updateButtons() {
 			addButton(std::move(shareText), std::move(share));
 			addButton(tr::lng_cancel(), [=] { closeBox(); });
 
+			/*
 			if (!_inner->shortName().isEmpty()) {
 				const auto top = addTopButton(st::infoTopBarMenu);
 				const auto archive = [=] {
@@ -636,6 +644,7 @@ void StickerSetBox::updateButtons() {
 					return true;
 				});
 			}
+			*/
 		}
 	} else {
 		addButton(tr::lng_cancel(), [=] { closeBox(); });
@@ -643,6 +652,64 @@ void StickerSetBox::updateButtons() {
 	update();
 }
 
+bool StickerSetBox::showMenu(not_null<Ui::IconButton*> button) {
+	if (_menu) {
+		_menu->hideAnimated(Ui::InnerDropdown::HideOption::IgnoreShow);
+		return true;
+	}
+
+	_menu = base::make_unique_q<Ui::DropdownMenu>(
+		window(),
+		st::dropdownMenuWithIcons);
+	const auto weak = _menu.get();
+	_menu->setHiddenCallback([=] {
+		weak->deleteLater();
+		if (_menu == weak) {
+			button->setForceRippled(false);
+		}
+	});
+	_menu->setShowStartCallback([=] {
+		if (_menu == weak) {
+			button->setForceRippled(true);
+		}
+	});
+	_menu->setHideStartCallback([=] {
+		if (_menu == weak) {
+			button->setForceRippled(false);
+		}
+	});
+	button->installEventFilter(_menu);
+
+	if (!_inner->shortName().isEmpty()) {
+		_menu->addAction(
+			tr::lng_stickers_share_pack(tr::now),
+			[=] { copyStickersLink(); },
+			&st::menuIconShare);
+	}
+
+	if (!_inner->notInstalled()) {
+		const auto archive = [=] {
+			_inner->archiveStickers();
+			closeBox();
+		};
+		_menu->addAction(
+			tr::lng_stickers_archive_pack(tr::now),
+			archive,
+			&st::menuIconArchive);
+	}
+
+	const auto parentTopLeft = window()->mapToGlobal(QPoint());
+	const auto buttonTopLeft = button->mapToGlobal(QPoint());
+	const auto parentRect = QRect(parentTopLeft, window()->size());
+	const auto buttonRect = QRect(buttonTopLeft, button->size());
+	_menu->move(
+		buttonRect.x() + buttonRect.width() - _menu->width() - parentRect.x(),
+		buttonRect.y() + buttonRect.height() - parentRect.y() - style::ConvertScale(18));
+	_menu->showAnimated(Ui::PanelAnimation::Origin::TopRight);
+
+	return true;
+}
+
 void StickerSetBox::resizeEvent(QResizeEvent *e) {
 	BoxContent::resizeEvent(e);
 	_inner->resize(width(), _inner->height());

Telegram/SourceFiles/boxes/sticker_set_box.h

@@ -17,6 +17,7 @@ class SessionController;
 
 namespace Ui {
 class PlainShadow;
+class DropdownMenu;
 } // namespace Ui
 
 namespace Data {
@@ -84,6 +85,7 @@ private:
 
 	void updateTitleAndButtons();
 	void updateButtons();
+	bool showMenu(not_null<Ui::IconButton*> button);
 	void addStickers();
 	void copyStickersLink();
 	void handleError(Error error);
@@ -92,6 +94,7 @@ private:
 	const not_null<Main::Session*> _session;
 	const StickerSetIdentifier _set;
 	const Data::StickersType _type;
+	base::unique_qptr<Ui::DropdownMenu> _menu;
 
 	class Inner;
 	QPointer<Inner> _inner;