Thu Feb 16 15:24:42 2006  Søren Sandmann  <sandmann@redhat.com>

	* src/screen.c (meta_screen_composite_all_windows): New function.

	* src/prefs.[ch], src/metacity.schemas.in: Add new
	compositing_manager key.

	* src/display.c (prefs_changed_callback): Handle
	META_PREF_COMPOSITOR_MANAGER

	* src/display.c (event_callback): Only call
	meta_compositor_process_event() if there is in fact a compositor.

	* src/display.c (enable/disable_compositor): Add code to
	enable/disable compositor at runtime