4 // FLUID undo definitions for the Fast Light Tool Kit (FLTK).
6 // Copyright 1998-2010 by Bill Spitzak and others.
8 // This library is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Library General Public
10 // License as published by the Free Software Foundation; either
11 // version 2 of the License, or (at your option) any later version.
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // Library General Public License for more details.
18 // You should have received a copy of the GNU Library General Public
19 // License along with this library; if not, write to the Free Software
20 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
23 // Please report all bugs and problems on the following page:
25 // http://www.fltk.org/str.php
31 extern int undo_current
; // Current undo level in buffer
32 extern int undo_last
; // Last undo level in buffer
33 extern int undo_save
; // Last undo level that was saved
35 void redo_cb(Fl_Widget
*, void *); // Redo menu callback
36 void undo_cb(Fl_Widget
*, void *); // Undo menu callback
37 void undo_checkpoint(); // Save current file to undo buffer
38 void undo_clear(); // Clear undo buffer
39 void undo_resume(); // Resume undo checkpoints
40 void undo_suspend(); // Suspend undo checkpoints