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// $Id: G4OpenGLImmediateQt.cc 66373 2012-12-18 09:41:34Z gcosmo $
//
// 
// OpenGLImmediateQt graphics system factory.

#ifdef G4VIS_BUILD_OPENGLQT_DRIVER

#include "G4VisFeaturesOfOpenGL.hh"
#include "G4VSceneHandler.hh"
#include "G4OpenGLSceneHandler.hh"
#include "G4OpenGLViewer.hh"
#include "G4OpenGLImmediateQt.hh"
#include "G4OpenGLImmediateQtViewer.hh"
#include "G4OpenGLViewerMessenger.hh"
#include "G4OpenGLImmediateSceneHandler.hh"

G4OpenGLImmediateQt::G4OpenGLImmediateQt ():
  G4OpenGLQt ("OpenGLImmediateQt",
              "OGLIQt",
              G4VisFeaturesOfOpenGLIQt (),
              G4VGraphicsSystem::threeD)
{
  G4OpenGLViewerMessenger::GetInstance();
}

G4VSceneHandler* G4OpenGLImmediateQt::CreateSceneHandler
(const G4String& name) {
  G4VSceneHandler* pScene = new G4OpenGLImmediateSceneHandler (*this, name);
  return    pScene;
}

G4VViewer* G4OpenGLImmediateQt::CreateViewer
(G4VSceneHandler& scene, const G4String& name) {
#ifdef G4DEBUG_VIS_OGL
  printf("G4OpenGLImmediateQt::CreateViewer \n");
#endif
  G4VViewer* pView = 0;
  pView = new G4OpenGLImmediateQtViewer
    ((G4OpenGLImmediateSceneHandler&) scene, name);
  if (pView) {
    if (pView -> GetViewId () < 0) {
      G4cerr << "G4OpenGLImmediateQt::CreateViewer: error flagged by negative"
	" view id in G4OpenGLImmediateQtViewer creation."
	"\n Destroying view and returning null pointer."
	   << G4endl;
      delete pView;
      pView = 0;
    }
  }
  else {
    G4cerr << "G4OpenGLImmediateQt::CreateViewer: null pointer on"
      " new G4OpenGLImmediateQtViewer." << G4endl;
  }
#ifdef G4DEBUG_VIS_OGL
  printf("G4OpenGLImmediateQt::CreateViewer END \n");
#endif
  return pView;
}

#endif