//
// ********************************************************************
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// *                                                                  *
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// * the Geant4 Collaboration.  It is provided  under  the terms  and *
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//
// $Id: G4OpenInventorXtViewer.hh,v 1.14 2006/06/29 21:20:40 gunter Exp $
// GEANT4 tag $Name:  $
//
// 
// Jeff Kallenbach 01 Aug 1996
// OpenInventor viewer - opens window, hard copy, etc.

#ifndef G4OPENINVENTORXTVIEWER_HH
#define G4OPENINVENTORXTVIEWER_HH

#ifdef G4VIS_BUILD_OI_DRIVER

// Inheritance :
#include "G4OpenInventorViewer.hh"

#include <X11/Intrinsic.h>
class SoXtExaminerViewer;

class G4OpenInventorXtViewer: public G4OpenInventorViewer {
public: //G4VViewer
  virtual void FinishView();
  virtual void SetView();
protected:
  virtual void ViewerRender();
  virtual SoCamera* GetCamera();
public:
  G4OpenInventorXtViewer(G4OpenInventorSceneHandler& scene,
		         const G4String& name = "");
  void Initialise();

  virtual ~G4OpenInventorXtViewer();
private:
  Widget AddMenu(Widget,const G4String&,const G4String&);
  void AddButton(Widget,const G4String&,XtCallbackProc);
private:
  static void PostScriptCbk(Widget,XtPointer,XtPointer);
  static void PixmapPostScriptCbk(Widget,XtPointer,XtPointer);
  static void WriteInventorCbk(Widget,XtPointer,XtPointer);
  static void EscapeCbk(Widget,XtPointer,XtPointer);
  static void SceneGraphStatisticsCbk(Widget,XtPointer,XtPointer);
  static void EraseDetectorCbk(Widget,XtPointer,XtPointer);
  static void EraseEventCbk(Widget,XtPointer,XtPointer);
  static void SetSolidCbk(Widget,XtPointer,XtPointer);
  static void SetWireFrameCbk(Widget,XtPointer,XtPointer);
  static void SetReducedWireFrameCbk(Widget,XtPointer,XtPointer);
  static void SetFullWireFrameCbk(Widget,XtPointer,XtPointer);
  static void UpdateSceneCbk(Widget,XtPointer,XtPointer);
  static void HelpCbk(Widget,XtPointer,XtPointer);
  static void HelpCancelCbk(Widget,XtPointer,XtPointer);
  static void SetPreviewCbk(Widget,XtPointer,XtPointer);
  static void SetPreviewAndFullCbk(Widget,XtPointer,XtPointer);
private:
  Widget fShell;
  SoXtExaminerViewer* fViewer;
  Widget fHelpForm;
  Widget fHelpText;
};

#endif

#endif