Full mode switching and restore for X11.  Not attached to window yet.
Full mode switching and restore for X11.  Not attached to window yet.

adamlwgriffiths/Pyglet,seeminglee/pyglet64,adamlwgriffiths/Pyglet,niklaskorz/pyglet,niklaskorz/pyglet,niklaskorz/pyglet,seeminglee/pyglet64,adamlwgriffiths/Pyglet,niklaskorz/pyglet,seeminglee/pyglet64,adamlwgriffiths/Pyglet