include/svx/sdrundomanager.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
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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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
  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 INCLUDED_SVX_SDRUNDOMANAGER_HXX
  20 #define INCLUDED_SVX_SDRUNDOMANAGER_HXX
  21
  22 #include <svx/svxdllapi.h>
  23 #include <editeng/editund2.hxx>
  24 #include <tools/link.hxx>
  25
  26 class SfxObjectShell;
  27
  28 class SVX_DLLPUBLIC SdrUndoManager : public EditUndoManager
  29 {
  30 private:
  31     using EditUndoManager::Undo;
  32     using EditUndoManager::Redo;
  33
  34     Link<SdrUndoManager*,void>  maEndTextEditHdl;
  35     SfxUndoAction*  mpLastUndoActionBeforeTextEdit;
  36     bool            mbEndTextEditTriggeredFromUndo;
  37
  38     SfxObjectShell* m_pDocSh;
  39 protected:
  40     // call to check for TextEdit active
  41     bool isTextEditActive() const;
  42     virtual void EmptyActionsChanged() override;
  43
  44 public:
  45     SdrUndoManager();
  46     virtual ~SdrUndoManager() override;
  47
  48     /// react depending on edit mode and if no more undo is possible
  49     virtual bool Undo() override;
  50     virtual bool Redo() override;
  51
  52     // #i123350#
  53     virtual void Clear() override;
  54
  55     // Call for the view which starts the interactive text edit. Use link to
  56     // activate (start text edit) and empty link to reset (end text edit). On
  57     // reset all text edit actions will be removed from this undo manager to
  58     // restore the state before activation
  59     void SetEndTextEditHdl(const Link<SdrUndoManager*,void>& rLink);
  60
  61     // check from outside if we are inside a callback for ending text edit. This
  62     // is needed to detect inside end text edit if it is a regular one or triggered
  63     // by a last undo during text edit
  64     bool isEndTextEditTriggeredFromUndo() const { return mbEndTextEditTriggeredFromUndo; }
  65     void SetDocShell(SfxObjectShell* pDocShell);
  66 };
  67
  68 #endif // INCLUDED_SVX_SDRUNDOMANAGER_HXX
  69
  70 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */