//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
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//
//
// $Id: G4OpenGLStoredQtViewer.hh,v 1.5 2008/01/30 10:54:13 lgarnier Exp $
// GEANT4 tag $Name:  $
//
// 
// Class G4OpenGLStoredQtViewer : a class derived from
//   G4OpenGLQtViewer and G4OpenGLStoredViewer.

#ifdef G4VIS_BUILD_OPENGLQT_DRIVER

#ifndef G4OpenGLSTOREDQTVIEWER_HH
#define G4OpenGLSTOREDQTVIEWER_HH

#include "G4VViewer.hh"
#include "G4OpenGLStoredViewer.hh"
#include "G4OpenGLQtViewer.hh"

#include <qgl.h>  // include qglwidget

class QMouseEvent;
class QWheelEvent;
class QContextMenuEvent;

class G4OpenGLStoredSceneHandler;

class G4OpenGLStoredQtViewer:
  public G4OpenGLQtViewer, public G4OpenGLStoredViewer, public QGLWidget {
  
public:
  G4OpenGLStoredQtViewer (G4OpenGLStoredSceneHandler& scene,
				const G4String& name = "");
  ~G4OpenGLStoredQtViewer ();
  void Initialise ();
  void initializeGL ();
  void DrawView ();
  void FinishView ();
  void resizeGL(int width,int height);
  void paintGL();
  void updateQWidget();

protected:
  void wheelEvent(QWheelEvent *event);
  void mousePressEvent(QMouseEvent *event);
  void mouseMoveEvent(QMouseEvent *event);
  void mouseDoubleClickEvent(QMouseEvent *event);
  void mouseReleaseEvent(QMouseEvent *event);
  void contextMenuEvent(QContextMenuEvent *e);
  void keyPressEvent (QKeyEvent * event); 

private : 
  bool hasToRepaint;
  bool readyToPaint;
  bool zoomAction;
  int nbPaint;
  QPoint beginZoom;
  QPoint endZoom;
  //  QImage glBufferImage;
};

#endif

#endif
