Add menuToggle style.

ui/widgets/dropdown_menu.cpp

@@ -222,8 +222,8 @@ void DropdownMenu::childHiding(DropdownMenu *child) {
 
 void DropdownMenu::hideFinish() {
 	_menu->clearSelection();
-	if (_hiddenCallback) {
-		_hiddenCallback();
+	if (const auto onstack = _hiddenCallback) {
+		onstack();
 	}
 }
 

ui/widgets/inner_dropdown.cpp

@@ -234,12 +234,15 @@ void InnerDropdown::hideFinished() {
 	_cache = QPixmap();
 	_ignoreShowEvents = false;
 	if (!isHidden()) {
-		if (_hiddenCallback) {
-			_hiddenCallback();
+		const auto weak = Ui::MakeWeak(this);
+		if (const auto onstack = _hiddenCallback) {
+			onstack();
 		}
+		if (weak) {
 			hide();
 		}
 	}
+}
 
 void InnerDropdown::prepareCache() {
 	if (_a_opacity.animating()) return;
@@ -256,19 +259,27 @@ void InnerDropdown::prepareCache() {
 }
 
 void InnerDropdown::startOpacityAnimation(bool hiding) {
+	const auto weak = Ui::MakeWeak(this);
 	if (hiding) {
-		if (_hideStartCallback) {
-			_hideStartCallback();
+		if (const auto onstack = _hideStartCallback) {
+			onstack();
 		}
-	} else if (_showStartCallback) {
-		_showStartCallback();
+	} else if (const auto onstack = _showStartCallback) {
+		onstack();
+	}
+	if (!weak) {
+		return;
 	}
 
 	_hiding = false;
 	prepareCache();
 	_hiding = hiding;
 	hideChildren();
-	_a_opacity.start([this] { opacityAnimationCallback(); }, _hiding ? 1. : 0., _hiding ? 0. : 1., _st.duration);
+	_a_opacity.start(
+		[=] { opacityAnimationCallback(); },
+		_hiding ? 1. : 0.,
+		_hiding ? 0. : 1.,
+		_st.duration);
 }
 
 void InnerDropdown::showStarted() {

ui/widgets/widgets.style

@@ -1128,3 +1128,20 @@ defaultLevelMeter: LevelMeter {
 	activeFg: mediaPlayerActiveFg;
 	inactiveFg: mediaPlayerInactiveFg;
 }
+
+menuToggleIcon: icon {{ "title_menu_dots", menuIconFg }};
+menuToggleIconOver: icon {{ "title_menu_dots", menuIconFgOver }};
+menuToggle: IconButton {
+	width: 40px;
+	height: 40px;
+
+	icon: menuToggleIcon;
+	iconOver: menuToggleIconOver;
+	iconPosition: point(16px, 10px);
+
+	rippleAreaPosition: point(0px, 0px);
+	rippleAreaSize: 40px;
+	ripple: RippleAnimation(defaultRippleAnimation) {
+		color: windowBgOver;
+	}
+}