Determine if QCoreApplication or QApplication is running

[doberkofler]

I make of with the following that seems to work fine for me:

bool isGuiApp()
{
	bool aIsGuiApp = false;
	QApplication* aApplication = qobject_cast<QApplication*>(QCoreApplication::instance());
	if (aApplication)
	{
		aIsGuiApp = (aApplication->type() == QApplication::GuiClient);
	}
 
	return aIsGuiApp;
}

bool isGuiApp()
{
	bool aIsGuiApp = false;
	QApplication* aApplication = qobject_cast<QApplication*>(QCoreApplication::instance());
	if (aApplication)
	{
		aIsGuiApp = (aApplication->type() == QApplication::GuiClient);
	}
	
	return aIsGuiApp;
}

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