/*
* CINELERRA
* Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
- *
+ *
* 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 MAINUNDO_H
MainUndo(MWindow *mwindow);
~MainUndo();
-
-
-
// For tweeking operations:
// If a pair of update_undo_before and update_undo_after are called
// within a certain time limit and the creator is nonzero and equal,
// the before undo is discarded and the previous after undo is replaced.
- void update_undo_before(const char *description = "",
+ void update_undo_before(const char *description = "",
void *creator = 0);
- void update_undo_after(const char *description,
+ void update_undo_after(const char *description,
uint32_t load_flags,
int changes_made = 1);
int undo();
int redo();
+// load_flags for the next undo/redo stack item
+ int undo_load_flags();
+ int redo_load_flags();
void dump(FILE *fp=stdout);
+
+ void save(FILE *fp);
+ void load(FILE *fp);
private:
// Entry point for all update commands
- void update_undo_entry(const char *description,
- uint32_t load_flags,
- void *creator,
+ void update_undo_entry(const char *description,
+ uint32_t load_flags,
+ void *creator,
int changes_made);
- int load_from_undo(FileXML *file, uint32_t load_flags);
+ int load_from_undo(FileXML *file, uint32_t load_flags);
// Placing the before & after undo operations in the same stack makes the
// compression more efficient.
// So even numbers are before and odd numbers are after
UndoStack *undo_stack;
-
-
-
+ UndoStackItem *next_undo();
+ UndoStackItem *next_redo();
// loads undo from the stringfile to the project
- int load_undo_before(FileXML *file, uint32_t load_flags);
- int load_undo_after(FileXML *file, uint32_t load_flags);
+ int load_undo_before(FileXML *file, uint32_t load_flags);
+ int load_undo_after(FileXML *file, uint32_t load_flags);
MWindow *mwindow;