Bug 143330, support update counter spec.

Bug 143330, support update counter spec.

Sun Jul 11 15:24:03 2004  Soeren Sandmann  <sandmann@daimi.au.dk>

	Bug 143330, support update counter spec.

	* configure.in: Add check for the Sync extension

	* gdk/gdkwindow.h: gdk_window_enable_synchronized_configure() and
	gdk_window_configure_finished()

	* gtk/gtkwindow.c (gtk_window_move_resize): Call gdk_window_finish_configure().
	* gtk/gtkwindow.c (gtk_window_realize): Automatically enable
	synchronized configures.

	* gdk/x11/gdkwindow-x11.h (struct _GdkToplevelX11): Store current
	and pending counter values.

	* gdk/x11/gdkwindow-x11.c (gdk_window_configure_finished): New function.
	* gdk/x11/gdkwindow-x11.c
	(gdk_window_enable_synchronized_configure): New function.
	* gdk/x11/gdkwindow-x11.c (gdk_toplevel_x11_free_contents):
	Delete update counter.
	* gdk/x11/gdkwindow-x11.c (set_wm_protocols): Advertise
	_NET_WM_SYNC_REQUEST when Sync is available

	* gdk/x11/gdkevents-x11.c (gdk_wm_protocols_filter): Handle
	_NET_WM_SYNC_REQUEST messages
	* gdk/x11/gdkevents-x11.c (gdk_event_translate): Save counter
	value for use by gdk_window_configure_finished() when receiving
	ConfigureNotifies.

	* gdk/x11/gdkdisplay-x11.h (struct _GdkDisplayX11): Add use_sync flag
	* gdk/x11/gdkdisplay-x11.c (gdk_display_open): Check if the XSync
	extension is available
	* gdk/x11/gdkdisplay-x11.c: Add _NET_WM_SYNC_REQUEST and
	_NET_WM_SYNC_REQUEST_COUNTER to list of supported atoms.

	* gdk/linux-fb/gdkwindow-fb.c, gdk/win32/gdkwindow-win32.c: Add
	stubs for enable_synchronized_configure() and configure_finished()