vcl/source/edit/textundo.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   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
  13  *   with this work for additional information regarding copyright
  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 #ifndef _TEXTUNDO_HXX
  20 #define _TEXTUNDO_HXX
  21
  22 #include <svl/undo.hxx>
  23 #include <vcl/texteng.hxx>
  24
  25 class TextEngine;
  26 class TextView;
  27 class TextSelection;
  28 class TextDoc;
  29 class TEParaPortions;
  30
  31 class TextUndoManager : public SfxUndoManager
  32 {
  33     TextEngine*     mpTextEngine;
  34
  35 protected:
  36
  37     void            UndoRedoStart();
  38     void            UndoRedoEnd();
  39
  40     TextView*       GetView() const { return mpTextEngine->GetActiveView(); }
  41
  42 public:
  43                     TextUndoManager( TextEngine* pTextEngine );
  44                     ~TextUndoManager();
  45
  46     using SfxUndoManager::Undo;
  47     virtual sal_Bool Undo();
  48     using SfxUndoManager::Redo;
  49     virtual sal_Bool Redo();
  50
  51 };
  52
  53 class TextUndo : public SfxUndoAction
  54 {
  55 private:
  56     TextEngine*         mpTextEngine;
  57
  58 protected:
  59
  60     TextView*           GetView() const { return mpTextEngine->GetActiveView(); }
  61     void                SetSelection( const TextSelection& rSel );
  62
  63     TextDoc*            GetDoc() const { return mpTextEngine->mpDoc; }
  64     TEParaPortions*     GetTEParaPortions() const { return mpTextEngine->mpTEParaPortions; }
  65
  66 public:
  67                         TYPEINFO();
  68                         TextUndo( TextEngine* pTextEngine );
  69     virtual             ~TextUndo();
  70
  71     TextEngine*         GetTextEngine() const   { return mpTextEngine; }
  72
  73     virtual void        Undo()      = 0;
  74     virtual void        Redo()      = 0;
  75
  76     virtual OUString GetComment() const;
  77 };
  78
  79 #endif // _TEXTUNDO_HXX
  80
  81 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */