Make '[un]registerLeaveSubscription' work in all windows.

Telegram/SourceFiles/calls/group/calls_group_panel.cpp

@@ -1948,11 +1948,26 @@ void Panel::setupControlsBackgroundWide() {
 template <typename WidgetPointer>
 void Panel::trackControl(WidgetPointer &widget, rpl::lifetime &lifetime) {
 	if (widget) {
-		widget->events(
+		const auto raw = &*widget;
+		raw->events(
 		) | rpl::start_with_next([=](not_null<QEvent*> e) {
+			using Type = std::remove_cvref_t<decltype(*raw)>;
+			constexpr auto mute = std::is_same_v<Type, Ui::CallMuteButton>;
 			if (e->type() == QEvent::Enter) {
+				auto &integration = Ui::Integration::Instance();
+				if constexpr (mute) {
+					integration.registerLeaveSubscription(raw->outer());
+				} else {
+					integration.registerLeaveSubscription(raw);
+				}
 				toggleWideControls(true);
 			} else if (e->type() == QEvent::Leave) {
+				auto &integration = Ui::Integration::Instance();
+				if constexpr (mute) {
+					integration.unregisterLeaveSubscription(raw->outer());
+				} else {
+					integration.unregisterLeaveSubscription(raw);
+				}
 				toggleWideControls(false);
 			}
 		}, lifetime);

Telegram/SourceFiles/core/application.cpp

@@ -12,6 +12,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_session.h"
 #include "data/data_user.h"
 #include "base/timer.h"
+#include "base/event_filter.h"
 #include "base/concurrent_timer.h"
 #include "base/qt_signal_producer.h"
 #include "base/unixtime.h"
@@ -997,30 +998,49 @@ QPoint Application::getPointForCallPanelCenter() const {
 // macOS Qt bug workaround, sometimes no leaveEvent() gets to the nested widgets.
 void Application::registerLeaveSubscription(not_null<QWidget*> widget) {
 #ifdef Q_OS_MAC
-	if (const auto topLevel = widget->window()) {
+	if (const auto window = widget->window()) {
-		if (topLevel == _window->widget()) {
+		auto i = _leaveFilters.find(window);
-			auto weak = Ui::MakeWeak(widget);
+		if (i == end(_leaveFilters)) {
-			auto subscription = _window->widget()->leaveEvents(
+			const auto check = [=](not_null<QEvent*> e) {
-			) | rpl::start_with_next([weak] {
+				if (e->type() == QEvent::Leave) {
-				if (const auto window = weak.data()) {
+					if (const auto taken = _leaveFilters.take(window)) {
-					QEvent ev(QEvent::Leave);
+						for (const auto weak : taken->registered) {
-					QGuiApplication::sendEvent(window, &ev);
+							if (const auto widget = weak.data()) {
+								QEvent ev(QEvent::Leave);
+								QCoreApplication::sendEvent(widget, &ev);
+							}
+						}
+						delete taken->filter.data();
+					}
 				}
+				return base::EventFilterResult::Continue;
+			};
+			const auto filter = base::install_event_filter(window, check);
+			QObject::connect(filter, &QObject::destroyed, [=] {
+				_leaveFilters.remove(window);
 			});
-			_leaveSubscriptions.emplace_back(weak, std::move(subscription));
+			i = _leaveFilters.emplace(
+				window,
+				LeaveFilter{ .filter = filter.get() }).first;
 		}
+		i->second.registered.push_back(widget.get());
 	}
 #endif // Q_OS_MAC
 }
 
 void Application::unregisterLeaveSubscription(not_null<QWidget*> widget) {
 #ifdef Q_OS_MAC
-	_leaveSubscriptions = std::move(
+	if (const auto topLevel = widget->window()) {
-		_leaveSubscriptions
+		const auto i = _leaveFilters.find(topLevel);
-	) | ranges::actions::remove_if([&](const LeaveSubscription &subscription) {
+		if (i != end(_leaveFilters)) {
-		auto pointer = subscription.pointer.data();
+			i->second.registered = std::move(
-		return !pointer || (pointer == widget);
+				i->second.registered
-	});
+			) | ranges::actions::remove_if([&](QPointer<QWidget> widget) {
+				const auto pointer = widget.data();
+				return !pointer || (pointer == widget);
+			});
+		}
+	}
 #endif // Q_OS_MAC
 }
 

Telegram/SourceFiles/core/application.h

@@ -369,17 +369,11 @@ private:
 
 	std::optional<base::Timer> _saveSettingsTimer;
 
-	struct LeaveSubscription {
+	struct LeaveFilter {
-		LeaveSubscription(
+		std::vector<QPointer<QWidget>> registered;
-			QPointer<QWidget> pointer,
+		QPointer<QObject> filter;
-			rpl::lifetime &&subscription)
-		: pointer(pointer), subscription(std::move(subscription)) {
-		}
-
-		QPointer<QWidget> pointer;
-		rpl::lifetime subscription;
 	};
-	std::vector<LeaveSubscription> _leaveSubscriptions;
+	base::flat_map<not_null<QWidget*>, LeaveFilter> _leaveFilters;
 
 	rpl::lifetime _lifetime;
 

Telegram/SourceFiles/ui/controls/call_mute_button.cpp

@@ -1140,6 +1140,10 @@ rpl::producer<CallButtonColors> CallMuteButton::colorOverrides() const {
 	return _colorOverrides.events();
 }
 
+not_null<QWidget*> CallMuteButton::outer() const {
+	return _content.get();
+}
+
 rpl::lifetime &CallMuteButton::lifetime() {
 	return _blobs->lifetime();
 }

Telegram/SourceFiles/ui/controls/call_mute_button.h

@@ -81,6 +81,7 @@ public:
 	void raise();
 	void lower();
 
+	[[nodiscard]] not_null<QWidget*> outer() const;
 	[[nodiscard]] rpl::producer<CallButtonColors> colorOverrides() const;
 
 	[[nodiscard]] rpl::lifetime &lifetime();