Fix crash with event loop nesting tracking.

Telegram/SourceFiles/mainwindow.cpp

@@ -675,9 +675,13 @@ void MainWindow::showFromTray(QSystemTrayIcon::ActivationReason reason) {
 	}
 }
 
-void MainWindow::toggleTray(QSystemTrayIcon::ActivationReason reason) {
+void MainWindow::handleTrayIconActication(
+		QSystemTrayIcon::ActivationReason reason) {
 	updateIsActive(0);
-	if ((cPlatform() == dbipMac || cPlatform() == dbipMacOld) && isActive()) return;
+	if ((cPlatform() == dbipMac || cPlatform() == dbipMacOld)
+		&& isActive()) {
+		return;
+	}
 	if (reason == QSystemTrayIcon::Context) {
 		updateTrayMenu(true);
 		QTimer::singleShot(1, this, SLOT(psShowTrayMenu()));

Telegram/SourceFiles/mainwindow.h

@@ -132,7 +132,6 @@ public slots:
 
 	void quitFromTray();
 	void showFromTray(QSystemTrayIcon::ActivationReason reason = QSystemTrayIcon::Unknown);
-	void toggleTray(QSystemTrayIcon::ActivationReason reason = QSystemTrayIcon::Unknown);
 	void toggleDisplayNotifyFromTray();
 
 	void onClearFinished(int task, void *manager);
@@ -150,6 +149,9 @@ signals:
 private:
 	[[nodiscard]] bool skipTrayClick() const;
 
+	void handleTrayIconActication(
+		QSystemTrayIcon::ActivationReason reason) override;
+
 	void hideMediaPreview();
 	void ensureLayerCreated();
 	void destroyLayer();

Telegram/SourceFiles/platform/linux/main_window_linux.cpp

@@ -268,9 +268,6 @@ void MainWindow::psSetupTrayIcon() {
 			}
 			trayIcon->setIcon(icon);
 
-			trayIcon->setToolTip(str_const_toString(AppName));
-			connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(toggleTray(QSystemTrayIcon::ActivationReason)), Qt::UniqueConnection);
-
 			// This is very important for native notifications via libnotify!
 			// Some notification servers compose several notifications with a "Reply"
 			// action into one and after that a click on "Reply" button does not call
@@ -278,7 +275,7 @@ void MainWindow::psSetupTrayIcon() {
 			// just ignores ibus messages, but Qt tray icon at least emits this signal.
 			connect(trayIcon, SIGNAL(messageClicked()), this, SLOT(showFromTray()));
 
-			App::wnd()->updateTrayMenu();
+			attachToTrayIcon(trayIcon);
 		}
 		updateIconCounters();
 

Telegram/SourceFiles/platform/mac/main_window_mac.mm

@@ -450,9 +450,7 @@ void MainWindow::psSetupTrayIcon() {
 		icon.addPixmap(QPixmap::fromImage(psTrayIcon(true), Qt::ColorOnly), QIcon::Selected);
 
 		trayIcon->setIcon(icon);
-		trayIcon->setToolTip(str_const_toString(AppName));
-		connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(toggleTray(QSystemTrayIcon::ActivationReason)), Qt::UniqueConnection);
-		App::wnd()->updateTrayMenu();
+		attachToTrayIcon(trayIcon);
 	}
 	updateIconCounters();
 

Telegram/SourceFiles/platform/win/main_window_win.cpp

@@ -667,10 +667,8 @@ void MainWindow::psSetupTrayIcon() {
 		auto icon = QIcon(App::pixmapFromImageInPlace(Core::App().logoNoMargin()));
 
 		trayIcon->setIcon(icon);
-		trayIcon->setToolTip(str_const_toString(AppName));
-		connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(toggleTray(QSystemTrayIcon::ActivationReason)), Qt::UniqueConnection);
 		connect(trayIcon, SIGNAL(messageClicked()), this, SLOT(showFromTray()));
-		App::wnd()->updateTrayMenu();
+		attachToTrayIcon(trayIcon);
 	}
 	updateIconCounters();
 

Telegram/SourceFiles/window/main_window.cpp

@@ -16,6 +16,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/confirm_box.h"
 #include "core/click_handler_types.h"
 #include "core/application.h"
+#include "core/sandbox.h"
 #include "lang/lang_keys.h"
 #include "data/data_session.h"
 #include "auth_session.h"
@@ -406,6 +407,17 @@ void MainWindow::setPositionInited() {
 	_positionInited = true;
 }
 
+void MainWindow::attachToTrayIcon(not_null<QSystemTrayIcon*> icon) {
+	icon->setToolTip(str_const_toString(AppName));
+	connect(icon, &QSystemTrayIcon::activated, this, [=](
+			QSystemTrayIcon::ActivationReason reason) {
+		Core::Sandbox::Instance().customEnterFromEventLoop([&] {
+			handleTrayIconActication(reason);
+		});
+	});
+	App::wnd()->updateTrayMenu();
+}
+
 void MainWindow::resizeEvent(QResizeEvent *e) {
 	updateControlsGeometry();
 }

Telegram/SourceFiles/window/main_window.h

@@ -143,6 +143,9 @@ protected:
 	virtual int32 screenNameChecksum(const QString &name) const;
 
 	void setPositionInited();
+	void attachToTrayIcon(not_null<QSystemTrayIcon*> icon);
+	virtual void handleTrayIconActication(
+		QSystemTrayIcon::ActivationReason reason) = 0;
 
 private:
 	void checkAuthSession();