38 lines
1.4 KiB
C++
38 lines
1.4 KiB
C++
//
|
|
// FLUID undo definitions for the Fast Light Tool Kit (FLTK).
|
|
//
|
|
// Copyright 1998-2024 by Bill Spitzak and others.
|
|
//
|
|
// This library is free software. Distribution and use rights are outlined in
|
|
// the file "COPYING" which should have been included with this file. If this
|
|
// file is missing or damaged, see the license at:
|
|
//
|
|
// https://www.fltk.org/COPYING.php
|
|
//
|
|
// Please see the following page on how to report bugs and issues:
|
|
//
|
|
// https://www.fltk.org/bugs.php
|
|
//
|
|
|
|
#ifndef undo_h
|
|
#define undo_h
|
|
|
|
class Fl_Widget;
|
|
|
|
#define kUndoWindowResize 1
|
|
|
|
extern int undo_current; // Current undo level in buffer
|
|
extern int undo_last; // Last undo level in buffer
|
|
extern int undo_save; // Last undo level that was saved
|
|
extern int undo_once_type; // Suspend further undos of the same type
|
|
|
|
void redo_cb(Fl_Widget *, void *); // Redo menu callback
|
|
void undo_cb(Fl_Widget *, void *); // Undo menu callback
|
|
void undo_checkpoint(); // Save current file to undo buffer
|
|
void undo_checkpoint_once(int type); // Save undo buffer once until a different checkpoint type is called
|
|
void undo_clear(); // Clear undo buffer
|
|
void undo_resume(); // Resume undo checkpoints
|
|
void undo_suspend(); // Suspend undo checkpoints
|
|
|
|
#endif // !undo_h
|