Make sure gdk_window_get_composited() and anything related doesn't get into the way on too old GTK versions
Make sure gdk_window_get_composited() and anything related doesn't get into the way on too old GTK versions

blue-shell/carbon-gtk,blue-shell/carbon-gtk,blueshell-next/carbon-gtk,KDE/oxygen-gtk,blueshell-next/carbon-gtk,KDE/oxygen-gtk