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// ********************************************************************
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//
// $Id: G4OpenGLXmWindowHandlingCallbacks.cc,v 1.10 2009/04/08 16:55:44 lgarnier Exp $
// GEANT4 tag $Name:  $
//
// 
// Andrew Walkden  16th June 1997
// G4OpenGLXmWindowHandlingCallbacks : Callback functions for
//                                     (Motif) widgets to use.
//                                     in handling (Xm) windows

#ifdef G4VIS_BUILD_OPENGLXM_DRIVER

#include "G4OpenGLXmViewer.hh"

void G4OpenGLXmViewer::resize_callback (Widget w, 
				      XtPointer clientData, 
				      XtPointer x) 
{
#ifdef G4DEBUG_VIS_OGL
  printf("G4OpenGLXmViewer::resize_callback\n");
#endif
  expose_callback(w,clientData,x);
}



void G4OpenGLXmViewer::expose_callback (Widget w, 
				      XtPointer clientData, 
				      XtPointer) 
{
  G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
  Dimension width, height;

  XtVaGetValues (w, 
		 XmNwidth, &width, 
		 XmNheight, &height, 
		 NULL);

  pView->ResizeGLView((G4int) width,(G4int) height);

  glXMakeCurrent (pView->dpy, XtWindow(pView->glxarea), pView->cx);

#ifdef G4DEBUG_VIS_OGL
  printf("G4OpenGLXmViewer::expose_callback\n");
#endif
  // FIXME : L.Garnier 11 Mai 2009 : Should be erase
  pView->SetView ();
  pView->ClearView ();
  pView->DrawView ();
  // ENDOF Fixme

}

void G4OpenGLXmViewer::print_callback (Widget, 
				    XtPointer clientData, 
				    XtPointer) 
{
  G4OpenGLXViewer* pView = (G4OpenGLXmViewer*) clientData;
  pView->printEPS();
}

void G4OpenGLXmViewer::set_print_colour_callback (Widget w,
						XtPointer clientData,
						XtPointer) 
{
  G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*)clientData;
  
  G4int choice = get_int_userData (w);
  
  pView->fPrintColour=(G4bool)choice;
  G4cout << "Print colour set to " << pView->fPrintColour;
  
}

void G4OpenGLXmViewer::set_print_style_callback (Widget w,
					       XtPointer clientData,
					       XtPointer) 
{
  G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*)clientData;
  
  G4int choice = get_int_userData (w);
  
  pView->fVectoredPs=(G4bool)choice;
  G4cout << "`Produce vectored PostScript ?' set to : " << pView->fPrintColour;
  
}

#endif