include/svx/sdrundomanager.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   9  * This file incorporates work covered by the following license notice:
  10  *
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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
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  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 <sal/types.h>
  24 #include <editeng/editund2.hxx>
  25 #include <tools/link.hxx>
  26
  27 class SVX_DLLPUBLIC SdrUndoManager : public EditUndoManager
  28 {
  29 private:
  30     using EditUndoManager::Undo;
  31     using EditUndoManager::Redo;
  32
  33     Link<SdrUndoManager*,void>  maEndTextEditHdl;
  34     SfxUndoAction*  mpLastUndoActionBeforeTextEdit;
  35     bool            mbEndTextEditTriggeredFromUndo;
  36
  37 protected:
  38     // call to check for TextEdit active
  39     bool isTextEditActive() const;
  40
  41 public:
  42     SdrUndoManager();
  43     virtual ~SdrUndoManager() override;
  44
  45     /// react depending on edit mode and if no more undo is possible
  46     virtual bool Undo() override;
  47     virtual bool Redo() override;
  48
  49     // #i123350#
  50     virtual void Clear() override;
  51
  52     // Call for the view which starts the interactive text edit. Use link to
  53     // activate (start text edit) and empty link to reset (end text edit). On
  54     // reset all text edit actions will be removed from this undo manager to
  55     // restore the state before activation
  56     void SetEndTextEditHdl(const Link<SdrUndoManager*,void>& rLink);
  57
  58     // check from outside if we are inside a callback for ending text edit. This
  59     // is needed to detect inside end text edit if it is a regular one or triggered
  60     // by a last undo during text edit
  61     bool isEndTextEditTriggeredFromUndo() { return mbEndTextEditTriggeredFromUndo; }
  62 };
  63
  64 #endif // INCLUDED_SVX_SDRUNDOMANAGER_HXX
  65
  66 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */