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// $Id: G4OpenGLImmediateWt.cc 75567 2013-11-04 11:35:11Z gcosmo $
//
// 
// OpenGLImmediateWt graphics system factory.

#ifdef G4VIS_BUILD_OPENGLWT_DRIVER

#include "G4VisFeaturesOfOpenGL.hh"
#include "G4VSceneHandler.hh"
#include "G4OpenGLSceneHandler.hh"
#include "G4OpenGLViewer.hh"
#include "G4OpenGLImmediateWt.hh"
#include "G4OpenGLImmediateWtViewer.hh"
#include "G4OpenGLViewerMessenger.hh"
#include "G4OpenGLImmediateSceneHandler.hh"
#include "G4UIWt.hh"
#include "G4UImanager.hh"

#include <Wt/WLabel>
#include <Wt/WContainerWidget>

G4OpenGLImmediateWt::G4OpenGLImmediateWt ():
  G4VGraphicsSystem ("OpenGLImmediateWt",
		     "OGLIWt",
		     G4VisFeaturesOfOpenGLIWt (),
		     G4VGraphicsSystem::threeD)
{
  G4OpenGLViewerMessenger::GetInstance();
}

G4VSceneHandler* G4OpenGLImmediateWt::CreateSceneHandler
(const G4String& name) {
  G4VSceneHandler* pScene = new G4OpenGLImmediateSceneHandler (*this, name);
  return    pScene;
}

G4VViewer* G4OpenGLImmediateWt::CreateViewer
(G4VSceneHandler& scene, const G4String& name) {
#ifdef G4DEBUG_VIS_OGL
  printf("G4OpenGLImmediateWt::CreateViewer \n");
#endif
  G4VViewer* pView = 0;
  // G4VisManager::CreateViewer
  // -> G4OpenGLImmediateWt::CreateViewer
  //   -> G4OpenGLImmediateWtViewer
  // !! ImmediateWtViewer should be the container
  
  // G4VisManager::CreateViewer
  // G4OpenGLImmediateQtViewer::Initialise()
  // ->G4OpenGLQtViewer::CreateMainWindow(container, name)
  //   fUiQt->AddTabWidget  (container fWindow)

  // Create a container for the widget
  fWGLContainer = new Wt::WContainerWidget();
  
  pView = new G4OpenGLImmediateWtViewer
  ((G4OpenGLImmediateSceneHandler&) scene, fWGLContainer, name);
  if (pView) {
    if (pView -> GetViewId () < 0) {
      G4cerr << "G4OpenGLImmediateWt::CreateViewer: error flagged by negative"
      " view id in G4OpenGLImmediateWtViewer creation."
      "\n Destroying view and returning null pointer."
      << G4endl;
      delete pView;
      pView = 0;
    }
  }
  else {
    G4cerr << "G4OpenGLImmediateWt::CreateViewer: null pointer on"
    " new G4OpenGLImmediateWtViewer." << G4endl;
  }
#ifdef G4DEBUG_VIS_OGL
  printf("G4OpenGLImmediateWt::CreateViewer END \n");
#endif
  return pView;
}


#endif