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// $Id: G4OpenGLImmediateWtViewer.hh 75567 2013-11-04 11:35:11Z gcosmo $
//
// 
// Class G4OpenGLImmediateWtViewer : a class derived from
//   G4OpenGLWtViewer and G4OpenGLImmediateViewer.

#ifdef G4VIS_BUILD_OPENGLWT_DRIVER

#ifndef G4OPENGLIMMEDIATEWTVIEWER_HH
#define G4OPENGLIMMEDIATEWTVIEWER_HH

#include "G4OpenGLImmediateViewer.hh"
#include "G4OpenGLWtViewer.hh"
#include <Wt/WEvent>

#include "globals.hh"

class G4OpenGLImmediateSceneHandler;

class G4OpenGLImmediateWtViewer :
public G4OpenGLWtViewer, public G4OpenGLImmediateViewer, public Wt::WGLWidget {
   
public:
  G4OpenGLImmediateWtViewer (G4OpenGLImmediateSceneHandler& scene, Wt::WContainerWidget*, const G4String& name = "");
  ~G4OpenGLImmediateWtViewer ();
  void Initialise ();
  void resizeGL(int, int);
  void paintGL();
  void initializeGL ();
  void DrawView();
  void ShowView();
  void SetView();
  //
  void popMatrix();
  void pushMatrix();
  void multMatrixd(const GLdouble*);
  void setMatrixUniforms();
  void loadIdentity();
  
  void wtDrawArrays(GLenum mode,int first, G4int nPoints, std::vector<double> a_vertices);
  
  void ComputeView ();
  void drawScene ();
  void FinishView();
  
private:
  //  void showEvent(QShowEvent event );
  void mousePressEvent(Wt::WMouseEvent *event);
  void mouseMoveEvent(Wt::WMouseEvent *event);
  void mouseDoubleClickEvent(Wt::WMouseEvent *event);
  void mouseReleaseEvent(Wt::WMouseEvent event);
  //  void WtContextMenuEvent(QContextMenuEvent e);
  void keyPressEvent (Wt::WKeyEvent *event);
  void paintEvent(Wt::WPaintDevice * event);

  void updateWWidget();
  
  // A client-side JavaScript matrix variable
  JavaScriptMatrix4x4 jsMatrix_;
  
  // The so-called VBOs, Vertex Buffer Objects
  // This one contains both vertex (xyz) and normal (xyz) data
  Buffer objBuffer_;
  //  void ComputeView ();
  // implements G4VViewer::SetView() and ClearView()
  //  void SetView ();
  //  void ClearView ();

  
  
  // To avoid copying large constant data around, the data points are stored
  // in a global variable.
  std::vector<double> data;
  std::vector <Buffer> VBO_Buffer;

};

#endif

#endif