2007-06-05  Vincent Untz  <vuntz@gnome.org>

	Add previous window/workspace to signal handlers for
	active-window-changed and active-workspace-changed WnckScreen signals.
	Fix bug #136858.

	* libwnck/pager.c: (active_window_changed_callback): updated for signal change
	(active_workspace_changed_callback): updated for signal change
	* libwnck/screen.[ch]: (wnck_screen_class_init): updated for signal change
	(update_workspace_list): updated
	(update_active_workspace): updated
	(emit_active_window_changed): emit signal with previous window
	(emit_active_workspace_changed): emit signal with previous workspace
	* libwnck/selector.c: (wnck_selector_active_window_changed): updated
	for signal change
	* libwnck/tasklist.c: (wnck_tasklist_update_lists): updated
	(wnck_tasklist_active_window_changed): updated for signal change
	(wnck_tasklist_active_workspace_changed): updated for signal change
	(wnck_tasklist_change_active_timeout): updated
	* libwnck/test-wnck.c: (active_window_changed_callback): updated for
	signal change
	(active_workspace_changed_callback): ditto

svn path=/trunk/; revision=1275