crash in pinnedbar fix, assertion info added to crash report, onViewsIncrement() and updateCounter() checks added, returned style fake qt args for Xubuntu 15.10, 0.9.33 stable (Linux only)

Telegram/SourceFiles/main.cpp

@@ -38,14 +38,21 @@ int main(int argc, char *argv[]) {
 	Logs::start(); // must be started before PlatformSpecific is started
 	PlatformSpecific::start(); // must be started before QApplication is created
 
-	//QByteArray args[] = { "-style=0" }; // prepare fake args to disable QT_STYLE_OVERRIDE env variable
-	//static const int a_cnt = sizeof(args) / sizeof(args[0]);
-	//int a_argc = a_cnt + 1;
-	//char *a_argv[a_cnt + 1] = { argv[0], args[0].data() };
+	// prepare fake args to disable QT_STYLE_OVERRIDE env variable
+	// currently this is required in some desktop environments, including Xubuntu 15.10
+	// when we don't default style to "none" Qt dynamically loads GTK somehow internally and
+	// our own GTK dynamic load and usage leads GTK errors and freeze of the current main thread
+	// we can't disable our own GTK loading because it is required by libappindicator, which
+	// provides the tray icon for this system, because Qt tray icon is broken there
+	// see https://github.com/telegramdesktop/tdesktop/issues/1774
+	QByteArray args[] = { "-style=0" };
+	static const int a_cnt = sizeof(args) / sizeof(args[0]);
+	int a_argc = a_cnt + 1;
+	char *a_argv[a_cnt + 1] = { argv[0], args[0].data() };
 
 	int result = 0;
 	{
-		Application app(argc, argv);
+		Application app(a_argc, a_argv);
 		result = app.exec();
 	}