New flag shortcuts_current_folder_is_volume.

New flag shortcuts_current_folder_is_volume.

2004-03-01  Federico Mena Quintero  <federico@ximian.com>

	* gtk/gtkfilechooserdefault.c (struct _GtkFileChooserDefault): New
	flag shortcuts_current_folder_is_volume.
	(shortcuts_add_current_folder): Set
	impl->shortcuts_current_folder_is_volume as appropriate.
	(remove_current_folder_cb): Handle the flag.
	(shortcuts_activate_item): Likewise.
	(shortcuts_update_current_folder): Handle the
	impl->shortcuts_current_folder_active flag; only add the folder if
	it doesn't already exist in the list.
	(shortcuts_model_create): Don't insert the current folder
	separator here.
	(shortcuts_add_current_folder): Insert the separator here.
	(shortcut_find_position): Renamed from shortcut_exists(); now
	returns an index.
	(shortcuts_add_current_folder): Set the active item in the combo.