gimp/app/undo.h

135 lines
5.4 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __UNDO_H__
#define __UNDO_H__
#include "gimage.h"
#include "undo_types.h"
/* Undo interface functions */
gboolean undo_push_group_start (GImage *gimage,
UndoType type);
gboolean undo_push_group_end (GImage *gimage);
gboolean undo_push_image (GImage *gimage,
GimpDrawable *drawable,
gint x1,
gint y1,
gint x2,
gint y2);
gboolean undo_push_image_mod (GImage *gimage,
GimpDrawable *drawable,
gint x1,
gint y1,
gint x2,
gint y2,
gpointer tiles_ptr,
gboolean sparse);
gboolean undo_push_mask (GImage *gimage,
gpointer mask_ptr);
gboolean undo_push_layer_displace (GImage *gimage,
GimpLayer *layer);
gboolean undo_push_transform (GImage *gimage,
gpointer tu_ptr);
gboolean undo_push_paint (GImage *gimage,
gpointer pu_ptr);
gboolean undo_push_layer (GImage *gimage,
UndoType type,
gpointer lu_ptr);
gboolean undo_push_layer_mod (GImage *gimage,
gpointer layer_ptr);
gboolean undo_push_layer_mask (GImage *gimage,
UndoType type,
gpointer lmu_prt);
gboolean undo_push_layer_change (GImage *gimage,
GimpLayer *layer);
gboolean undo_push_layer_reposition (GImage *gimage,
GimpLayer *layer);
gboolean undo_push_channel (GImage *gimage,
UndoType type,
gpointer cu_ptr);
gboolean undo_push_channel_mod (GImage *gimage,
gpointer cmu_ptr);
gboolean undo_push_fs_to_layer (GImage *gimage,
gpointer fsu_ptr);
gboolean undo_push_fs_rigor (GImage *gimage,
gint32 layer_ID);
gboolean undo_push_fs_relax (GImage *gimage,
gint32 layer_ID);
gboolean undo_push_gimage_mod (GImage *gimage);
gboolean undo_push_guide (GImage *gimage,
gpointer guide);
gboolean undo_push_image_parasite (GImage *gimage,
gpointer parasite);
gboolean undo_push_drawable_parasite (GImage *gimage,
GimpDrawable *drawable,
gpointer parasite);
gboolean undo_push_image_parasite_remove
(GImage *gimage,
const gchar *name);
gboolean undo_push_drawable_parasite_remove
(GImage *gimage,
GimpDrawable *drabable,
const gchar *name);
gboolean undo_push_qmask (GImage *gimage);
gboolean undo_push_resolution (GImage *gimage);
gboolean undo_push_layer_rename (GImage *gimage,
GimpLayer *layer);
gboolean undo_push_cantundo (GImage *gimage,
const gchar *action);
gboolean undo_pop (GImage *gimage);
gboolean undo_redo (GImage *gimage);
void undo_free (GImage *gimage);
const gchar *undo_get_undo_name (GImage *gimage);
const gchar *undo_get_redo_name (GImage *gimage);
/* Stack peeking functions */
typedef gint (*undo_map_fn) (const gchar *undoitemname,
gpointer data);
void undo_map_over_undo_stack (GImage *gimage,
undo_map_fn fn,
gpointer data);
void undo_map_over_redo_stack (GImage *gimage,
undo_map_fn fn,
gpointer data);
UndoType undo_get_undo_top_type (GImage *gimage);
/* Not really appropriate here, since undo_history_new is not defined
* in undo.c, but it saves on having a full header file for just one
* function prototype. */
GtkWidget *undo_history_new (GImage *gimage);
/* Argument to undo_event signal emitted by gimages: */
typedef enum
{
UNDO_PUSHED, /* a new undo has been added to the undo stack */
UNDO_EXPIRED, /* an undo has been freed from the undo stack */
UNDO_POPPED, /* an undo has been executed and moved to redo stack */
UNDO_REDO, /* a redo has been executed and moved to undo stack */
UNDO_FREE /* all undo and redo info has been cleared */
} undo_event_t;
#endif /* __UNDO_H__ */