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 #pragma once
  20
  21 #include <svl/undo.hxx>
  22 #include <vcl/texteng.hxx>
  23
  24 class TextEngine;
  25 class TextView;
  26 class TextSelection;
  27 class TextDoc;
  28 class TEParaPortions;
  29
  30 class TextUndoManager : public SfxUndoManager
  31 {
  32     TextEngine*     mpTextEngine;
  33
  34 protected:
  35
  36     void            UndoRedoStart();
  37     void            UndoRedoEnd();
  38
  39     TextView*       GetView() const { return mpTextEngine->GetActiveView(); }
  40
  41 public:
  42     explicit TextUndoManager( TextEngine* pTextEngine );
  43     virtual ~TextUndoManager() override;
  44
  45     using SfxUndoManager::Undo;
  46     virtual bool Undo() override;
  47     using SfxUndoManager::Redo;
  48     virtual bool Redo() override;
  49
  50 };
  51
  52 class TextUndo : public SfxUndoAction
  53 {
  54 private:
  55     TextEngine*         mpTextEngine;
  56
  57 protected:
  58
  59     TextView*           GetView() const { return mpTextEngine->GetActiveView(); }
  60     void                SetSelection( const TextSelection& rSel );
  61
  62     TextDoc*            GetDoc() const { return mpTextEngine->mpDoc.get(); }
  63     TEParaPortions*     GetTEParaPortions() const { return mpTextEngine->mpTEParaPortions.get(); }
  64
  65 public:
  66     explicit            TextUndo( TextEngine* pTextEngine );
  67     virtual             ~TextUndo() override;
  68
  69     TextEngine*         GetTextEngine() const   { return mpTextEngine; }
  70
  71     virtual void        Undo() override      = 0;
  72     virtual void        Redo() override      = 0;
  73
  74     virtual OUString GetComment() const override;
  75 };
  76
  77 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */