//
// "$Id$"
//
// FLUID undo definitions for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2010 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:
//
//     http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
//     http://www.fltk.org/str.php
//

#ifndef undo_h
#  define undo_h

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

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_clear();			// Clear undo buffer
void undo_resume();			// Resume undo checkpoints
void undo_suspend();			// Suspend undo checkpoints

#endif // !undo_h

//
// End of "$Id$".
//