00001 /*************************************************************************** 00002 * Copyright (C) 2005 by Bjoern Erik Nilsen & Fredrik Berg Kjoelstad * 00003 * bjoern_erik_nilsen@hotmail.com & fredrikbk@hotmail.com * 00004 * * 00005 * This program is free software; you can redistribute it and/or modify * 00006 * it under the terms of the GNU General Public License as published by * 00007 * the Free Software Foundation; either version 2 of the License, or * 00008 * (at your option) any later version. * 00009 * * 00010 * This program is distributed in the hope that it will be useful, * 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00013 * GNU General Public License for more details. * 00014 * * 00015 * You should have received a copy of the GNU General Public License * 00016 * along with this program; if not, write to the * 00017 * Free Software Foundation, Inc., * 00018 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * 00019 ***************************************************************************/ 00020 #ifndef UNDOHISTORY_H 00021 #define UNDOHISTORY_H 00022 00023 #include "undo.h" 00024 00025 #include <vector> 00026 00027 using namespace std; 00028 00034 class UndoHistory 00035 { 00036 public: 00037 00038 UndoHistory(); 00039 00040 ~UndoHistory(); 00041 00046 void addUndo (Undo *undo); 00047 00053 bool undo(AnimationModel *a); 00054 00060 bool redo(AnimationModel *a); 00061 00065 void clear(); 00066 00067 private: 00068 vector<Undo*> undos; 00069 unsigned int currentUndo; 00070 static const unsigned int MAX_UNDOES = 200; 00071 }; 00072 00073 #endif