> * Programs that need to know their absolute window coordinates > * Windows that want to draw to the root window Gnome certainly won't support it, but in pri

> * Programs that need to know their absolute window coordinates > * Windows that want to draw to the root window Gnome certainly won't support it, but in principle a compositor could expose that functionality. > * Programs that want to capture the screen via XGetImage() Yeah, doing anything via XAnything() only works on X. So you replace XAnything() by somethingElse().