sd/inc/undo/undomanager.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
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   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
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  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef _SD_UNDOMANAGER_HXX
  21 #define _SD_UNDOMANAGER_HXX
  22
  23 #include "misc/scopelock.hxx"
  24 #include <svl/undo.hxx>
  25
  26 namespace sd
  27 {
  28
  29 class UndoManager : public SfxUndoManager
  30 {
  31 public:
  32     UndoManager( sal_uInt16 nMaxUndoActionCount = 20 );
  33
  34     virtual void            EnterListAction(const OUString &rComment, const OUString& rRepeatComment, sal_uInt16 nId=0);
  35
  36     virtual void            AddUndoAction( SfxUndoAction *pAction, sal_Bool bTryMerg=sal_False );
  37
  38     /** Set or reset the undo manager linked with the called undo manager.
  39     */
  40     void SetLinkedUndoManager (::svl::IUndoManager* pLinkedUndoManager);
  41
  42 private:
  43     using SfxUndoManager::Undo;
  44     using SfxUndoManager::Redo;
  45
  46     /** Used when the outline view is visible as a last resort to
  47         synchronize the undo managers.
  48     */
  49     ::svl::IUndoManager* mpLinkedUndoManager;
  50
  51     /** Call ClearRedo() at the linked undo manager, when present.
  52
  53         It should not be necessary to call ClearRedo() explicitly, but the
  54         synchronization between the under managers of the document and the
  55         outline view seems to have a bug.  Therefore this method is called
  56         whenever a new undo action is added.
  57     */
  58     void ClearLinkedRedoActions (void);
  59 };
  60
  61 }
  62
  63 #endif     // _SD_UNDOMANAGER_HXX
  64
  65 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */