kwave  18.07.70
UndoManager.h
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1 /***************************************************************************
2  UndoManager.h - manager class for undo/redo handling
3  -------------------
4  begin : Sat Feb 01 2014
5  copyright : (C) 2014 by Thomas Eschenbacher
6  email : Thomas.Eschenbacher@gmx.de
7  ***************************************************************************/
8 
9 /***************************************************************************
10  * *
11  * This program is free software; you can redistribute it and/or modify *
12  * it under the terms of the GNU General Public License as published by *
13  * the Free Software Foundation; either version 2 of the License, or *
14  * (at your option) any later version. *
15  * *
16  ***************************************************************************/
17 
18 #ifndef UNDO_MANAGER_H
19 #define UNDO_MANAGER_H
20 
21 #include "config.h"
22 
23 #include <QtGlobal>
24 #include <QList>
25 
26 namespace Kwave
27 {
28 
29  class UndoHandler;
30  class UndoTransaction;
31 
32  class Q_DECL_EXPORT UndoManager
33  {
34  public:
35 
39  UndoManager();
40 
44  virtual ~UndoManager();
45 
53  bool registerHandler(Kwave::UndoHandler *handler);
54 
63  bool unregisterHandler(Kwave::UndoHandler *handler);
64 
73  bool startUndoTransaction(Kwave::UndoTransaction *transaction);
74 
81  bool closeUndoTransaction(Kwave::UndoTransaction *transaction);
82 
83  private:
84 
86  QList<Kwave::UndoHandler *> m_handlers;
87 
88  };
89 }
90 
91 #endif /* UNDO_MANAGER_H */
92 
93 //***************************************************************************
94 //***************************************************************************
Kwave
Definition: App.h:33
Kwave::UndoManager::m_handlers
QList< Kwave::UndoHandler * > m_handlers
Definition: UndoManager.h:86