CmdStackShadow.h

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/******************************************************************************************************
 * (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released      *
 * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
 * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission.     *
 ******************************************************************************************************/
 
#ifndef CMD_STACK_SHADOW_H
#define CMD_STACK_SHADOW_H
 
#include <QList>
#include <QObject>
 
class CmdAbstract;
class Document;
class MainWindow;
class QXmlStreamReader;
 
typedef QList<CmdAbstract*> CmdListInternal;
 
class CmdStackShadow : public QObject
{
  Q_OBJECT;
 
public:
  CmdStackShadow();
 
  bool canRedo () const;
 
  void loadCommands (MainWindow &mainWindow,
                     Document &document,
                     QXmlStreamReader &reader);
 
public slots:
  void slotRedo ();
 
  void slotUndo ();
 
signals:
  void signalRedo();
 
  void signalUndo();
 
private:
 
  MainWindow *m_mainWindow;
 
  CmdListInternal m_cmdList;
};
 
#endif // CMDSTACKSHADOW_H