QtApplication.hh

/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
 *      Copyright (C) 2001-2009 by Computer Graphics Group, RWTH Aachen      *
 *                           www.openflipper.org                             *
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 *  This file is part of OpenFlipper.                                        *
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\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
 *   $Revision: 8521 $                                                       *
 *   $Author: moebius $                                                      *
 *   $Date: 2010-02-10 15:57:35 +0100 (Mi, 10. Feb 2010) $                   *
 *                                                                           *
\*===========================================================================*/



//=============================================================================
//
//  CLASS QtApplication
//
//=============================================================================

#ifndef QTAPPLICATION_HH
#define QTAPPLICATION_HH


//== INCLUDES =================================================================


// Qt
#include <QApplication>
#include <QObject>
#include <QEvent>
#include <QDateTime>

#include <QTimerEvent>

// stdc++
#include <vector>
#include <string>
#include <iostream>

#include "../Config/ACGDefines.hh"


//== FORWARD DECLARATIONS =====================================================


namespace ACG {
namespace QtWidgets {
  class QtMacroDialog;
}
}


//== NAMESPACES ===============================================================


namespace ACG {
namespace QtWidgets {


//== CLASS DEFINITION =========================================================


class ACGDLLEXPORT QtApplication : public QApplication
{
  Q_OBJECT

public:

  QtApplication(int _argc, char** _argv);
  virtual  ~QtApplication() { cleanUpEventBuffer(); }


public slots:

  // save recorded Events to file
  void saveFile(const char* _filename);

  // load recorded Events from file
  void loadFile(const char* _filename);

  // start playback
  void play();

  // stop playback or record
  void stop();

  // record
  void record();

  // change loop status for playback
  void loop(bool _b);


public:

  // filter events
  bool notify (QObject* _receiver, QEvent* _event);


private:

  // information for one event
  struct FootPrint
  {
    int          time;
    std::string  name;
    std::string  classname;
    std::string  parent;
    QPoint       cursorPos;
    QPoint       position;
    QSize        size;
    QEvent      *event;
  };

  typedef std::vector<FootPrint>  FootPrints;
  typedef FootPrints::iterator    FootPrintIter;


  // record and play events
  void recordEvent(QObject* _receiver, QEvent* _event);
  void playbackEvent(FootPrint & _fp);


  // store and restore sizes of all top-level widgets
  void storeTopLevelSizes();
  void restoreTopLevelSizes();

  // load and save sizes of top-level widgets
  void saveTopLevelSizes(std::ostream & _os);
  void loadTopLevelSizes(std::istream & _is);


  // find Widget for event _fp
  QWidget* findWidget(FootPrint & _fp);
  // timer callback
  void timerEvent(QTimerEvent* _e);
  // clear event buffer (pointers to QEvent)
  void cleanUpEventBuffer();


private:

  // state variables
  bool record_;
  bool playback_;
  bool play_loop_;

  // counter
  unsigned int eventnr_;

  // timer ID
  int timer_id_;

  // stop Time
  QTime time_;

  // vector to store events and top-levels sizes
  FootPrints events_, toplevels_;

  // macro dialog for interaction
  QtMacroDialog* dialog_;

  // Pointer to MainWidget
  QWidget* mainWidget_;

  // Main widget pos
  QPoint mainWidgetDiff_;

  // Old Main widget pos
  QPoint oldMainWidgetPos_;
};

//=============================================================================
} // namespace QtWidgets
} // namespace ACG
//=============================================================================
#endif // MACROAPPLICATION_HH defined
//=============================================================================