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- /* 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__ */
-