2007-05-19  Vincent Untz  <vuntz@gnome.org>

	Show workspace names in the window selector.
	Fix bug #150703.

	* libwnck/selector.c: (wncklet_connect_while_alive): moved in the file
	(wnck_selector_make_menu_consistent): updated to handle with menu
	items that are representing a workspace name
	(wnck_selector_window_workspace_changed): new
	(wnck_selector_item_new): don't setup dnd if there's no window ("no
	windows open" case)
	(wnck_selector_workspace_label_exposed): new
	(wnck_selector_workspace_name_changed): new
	(wnck_selector_add_workspace): new, append a workspace menu item to
	the menu
	(wnck_selector_create_window): moved code from
	wnck_selector_add_window() here, but do not insert the menu item in
	the menu
	(wnck_selector_insert_window): new, to insert a window menu item at
	the correct place wrt workspaces (more expensive than just appending
	the menu item)
	(wnck_selector_append_window): new
	(wnck_selector_window_opened): updated, to insert the item at the
	correct place
	(wnck_selector_window_closed): updated, to disable the menu item wrt
	workspace consistency in the menu
	(wnck_selector_workspace_created): new; to add the workspace menu item
	(wnck_selector_workspace_destroyed): new, to remove the workspace menu
	item
	(wnck_selector_connect_to_window): connect to "workspace_changed"
	(wnck_selector_disconnect_from_window): disconnect
	(wnck_selector_connect_to_screen): connect to "workspace_created" and
	"workspace_destroyed"
	(wnck_selector_disconnect_from_screen): disconnect
	(wnck_selector_scroll_cb): update the algorithm since the way we
	append window menu items in the menu has changed
	(wnck_selector_on_show): updated to add windows, ordered by workspaces

svn path=/trunk/; revision=1245