/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * Authors: Iain Holmes <iain@gnome.org> * * Copyright 2002 - 2006 Iain Holmes * * This file is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU Library General Public * License as published by the Free Software Foundation; * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. * */ #ifndef __MARLIN_UNDOABLE_H__ #define __MARLIN_UNDOABLE_H__ #include <glib.h> #include <glib-object.h> typedef void (*MarlinUndoableFunc) (gpointer closure); typedef struct _MarlinUndoable { /* The functions that will undo/redo the action if they are passed * the data packet that is stored in closure */ MarlinUndoableFunc undo; MarlinUndoableFunc redo; MarlinUndoableFunc destroy; gpointer closure; /* This is enough data for the undo/redo functions to perform their actions */ } MarlinUndoable; MarlinUndoable *marlin_undoable_new (MarlinUndoableFunc undo, MarlinUndoableFunc redo, MarlinUndoableFunc destroy, gpointer closure); void marlin_undoable_free (MarlinUndoable *undoable); void marlin_undoable_undo (MarlinUndoable *undoable); void marlin_undoable_redo (MarlinUndoable *undoable); #endif