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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* NautilusUndoable - A container for an undoable object .
*
* Copyright (C) 2000 Eazel, Inc.
*
* Author: Gene Z. Ragan <gzr@eazel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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 NAUTILUS_UNDOABLE_H
#define NAUTILUS_UNDOABLE_H
#include <libgnome/gnome-defs.h>
#include <gtk/gtksignal.h>
#include <gtk/gtkmain.h>
#define NAUTILUS_TYPE_UNDOABLE \
(nautilus_undoable_get_type ())
#define NAUTILUS_UNDOABLE(obj) \
(GTK_CHECK_CAST ((obj), NAUTILUS_TYPE_UNDOABLE, NautilusUndoable))
#define NAUTILUS_UNDOABLE_CLASS(klass) \
(GTK_CHECK_CLASS_CAST ((klass), NAUTILUS_TYPE_UNDOABLE, NautilusUndoableClass))
#define NAUTILUS_IS_UNDOABLE(obj) \
(GTK_CHECK_TYPE ((obj), NAUTILUS_TYPE_UNDOABLE))
#define NAUTILUS_IS_UNDOABLE_CLASS(klass) \
(GTK_CHECK_CLASS_TYPE ((klass), NAUTILUS_TYPE_UNDOABLE))
typedef struct NautilusUndoableClass NautilusUndoableClass;
typedef struct NautilusUndoManager NautilusUndoManager;
typedef struct NautilusUndoable NautilusUndoable;
typedef struct NautilusUndoTransaction NautilusUndoTransaction;
struct NautilusUndoable {
GtkObject parent;
NautilusUndoManager *undo_manager;
GtkObject *undo_target_class;
GData *undo_data;
};
struct NautilusUndoableClass {
GtkObjectClass parent_class;
void (* save_undo_snapshot) (GtkObject *object, gpointer data);
void (* restore_from_undo_snapshot) (GtkObject *object, gpointer data);
};
/* GtkObject */
GtkType nautilus_undoable_get_type (void);
GtkObject *nautilus_undoable_new (void);
void nautilus_undoable_save_undo_snapshot (NautilusUndoTransaction *transaction, GtkObject *target,
GtkSignalFunc save_func, GtkSignalFunc restore_func);
void nautilus_undoable_restore_from_undo_snapshot (NautilusUndoable *undoable);
#endif
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