//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
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// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
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// * any work based  on the software)  you  agree  to acknowledge its *
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// ********************************************************************
//
//
//
// 
// Class G4OpenGLStoredQtViewer : a class derived from
//   G4OpenGLQtViewer and G4OpenGLStoredViewer.

#ifndef G4OPENGLSTOREDQTVIEWER_HH
#define G4OPENGLSTOREDQTVIEWER_HH

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

class QMouseEvent;
class QWheelEvent;
class QContextMenuEvent;

class G4OpenGLStoredSceneHandler;

class G4OpenGLStoredQtViewer:
  public G4OpenGLQtViewer, public G4OpenGLStoredViewer, public G4QGLWidgetType {
  
public:
  G4OpenGLStoredQtViewer (G4OpenGLStoredSceneHandler& scene,
				const G4String& name = "");
  ~G4OpenGLStoredQtViewer ();
  void Initialise ();
  void initializeGL ();
  void DrawView ();
  void resizeGL(int width,int height);
  void paintGL();
  void updateQWidget();
  void ShowView ();
  void DisplayTimePOColourModification (G4Colour&,size_t);
#if QT_VERSION < 0x060000
#else
  //G.Barrand: macOS: to avoid a crash at startup at first gl call.
  virtual void ClearView() {
    if(!G4QGLWidgetType::isValid()) return;
    G4OpenGLViewer::ClearView();
  }
  virtual void SetView() {
    if(!G4QGLWidgetType::isValid()) return;
    G4OpenGLViewer::SetView();
  }
#endif

protected:

  // Special version for Qt - avoid comparing VisAttributesModifiers.
  G4bool CompareForKernelVisit(G4ViewParameters&);

  // Two virtual functions to return sub-class selection.
  G4bool POSelected(size_t POListIndex);
  G4bool TOSelected(size_t TOListIndex);

  void showEvent(QShowEvent * event );
  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);
  void keyReleaseEvent (QKeyEvent * event);
#if QT_VERSION < 0x060000
  void paintEvent(QPaintEvent *event);
#endif
private:
  void ComputeView ();
};

#endif