2003-08-15  Michael Natterer  <mitch@gimp.org>

	* app/widgets/widgets-enums.[ch]: extended GimpTabStyle enum so we
	are able to distinguish icon and preview tabs.

	* app/widgets/gimpdockable.[ch]: renamed GimpDockableGetIconFunc
	to GimpDockableGetPreviewFunc. Always create stock icons for
	"icon" tab styles and use the get_preview_func only for "preview"
	tab styles.

	* app/gui/dialogs-constructors.c: changed accordingly.

	* app/gui/dialogs-menu.c: Added "Current Status" options to the
	"Tab Style" menu and grey them out if the dockable has no
	get_preview_func.