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//
// $Id: G4OpenInventorWin.cc,v 1.8 2010/05/26 14:30:46 allison Exp $
// GEANT4 tag $Name: openinventor-V09-03-00 $
//
// OpenInventor graphics system factory.

#ifdef G4VIS_BUILD_OIWIN32_DRIVER

// this :
#include "G4OpenInventorWin.hh"

#include <Inventor/Win/SoWin.h>

#include "G4OpenInventorSceneHandler.hh"
#include "G4OpenInventorWinViewer.hh"
#include "G4Win32.hh"

G4OpenInventorWin::G4OpenInventorWin ()
:G4OpenInventor("OpenInventorWin","OIWin32",G4VGraphicsSystem::threeD)
,fInited(false)
{
}

void G4OpenInventorWin::Initialize ()
{
  if(fInited) return; //Done

  SetInteractorManager (G4Win32::getInstance());
  GetInteractorManager () -> RemoveDispatcher((G4DispatchFunction)G4Win32::dispatchWin32Event);  

  //  GetInteractorManager () -> AddDispatcher((G4DispatchFunction)SoWin::dispatchEvent);

  HWND toplevel = (HWND)GetInteractorManager()->GetMainInteractor();

  if(!SoWin::getTopLevelWidget()) SoWin::init(toplevel);

  InitNodes();

  fInited = true;
}

G4OpenInventorWin::~G4OpenInventorWin () {}
G4VViewer* G4OpenInventorWin::CreateViewer (G4VSceneHandler& scene, const G4String& name) 
{
  Initialize();
  G4OpenInventorSceneHandler* pScene = (G4OpenInventorSceneHandler*)&scene;
  return new G4OpenInventorWinViewer (*pScene, name);
}


#endif