textundo.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
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#pragma once
 
#include <svl/undo.hxx>
#include <vcl/texteng.hxx>
 
class TextEngine;
class TextView;
class TextSelection;
class TextDoc;
class TEParaPortions;
 
class TextUndoManager : public SfxUndoManager
{
    TextEngine*     mpTextEngine;
 
protected:
 
    void            UndoRedoStart();
    void            UndoRedoEnd();
 
    TextView*       GetView() const { return mpTextEngine->GetActiveView(); }
 
public:
    explicit TextUndoManager( TextEngine* pTextEngine );
    virtual ~TextUndoManager() override;
 
    using SfxUndoManager::Undo;
    virtual bool Undo() override;
    using SfxUndoManager::Redo;
    virtual bool Redo() override;
 
};
 
class TextUndo : public SfxUndoAction
{
private:
    TextEngine*         mpTextEngine;
 
protected:
 
    TextView*           GetView() const { return mpTextEngine->GetActiveView(); }
    void                SetSelection( const TextSelection& rSel );
 
    TextDoc*            GetDoc() const { return mpTextEngine->mpDoc.get(); }
    TEParaPortions*     GetTEParaPortions() const { return mpTextEngine->mpTEParaPortions.get(); }
 
public:
    explicit            TextUndo( TextEngine* pTextEngine );
    virtual             ~TextUndo() override;
 
    TextEngine*         GetTextEngine() const   { return mpTextEngine; }
 
    virtual void        Undo() override      = 0;
    virtual void        Redo() override      = 0;
 
    virtual OUString GetComment() const override;
};
 
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