Import Geant4 8.1.0 source tree

source/visualization/OpenInventor/src/G4OpenInventorXt.cc

@@ -1,28 +1,31 @@
 //
 // ********************************************************************
-// * DISCLAIMER                                                       *
+// * License and Disclaimer                                           *
 // *                                                                  *
-// * The following disclaimer summarizes all the specific disclaimers *
-// * of contributors to this software. The specific disclaimers,which *
-// * govern, are listed with their locations in:                      *
-// *   http://cern.ch/geant4/license                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
 // *                                                                  *
 // * Neither the authors of this software system, nor their employing *
 // * institutes,nor the agencies providing financial support for this *
 // * work  make  any representation or  warranty, express or implied, *
 // * regarding  this  software system or assume any liability for its *
-// * use.                                                             *
+// * use.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
 // *                                                                  *
-// * This  code  implementation is the  intellectual property  of the *
-// * GEANT4 collaboration.                                            *
-// * By copying,  distributing  or modifying the Program (or any work *
-// * based  on  the Program)  you indicate  your  acceptance of  this *
-// * statement, and all its terms.                                    *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
 // ********************************************************************
 //
 //
-// $Id: G4OpenInventorXt.cc,v 1.2 2004/11/22 15:00:48 gbarrand Exp $
-// GEANT4 tag $Name: geant4-08-00 $
+// $Id: G4OpenInventorXt.cc,v 1.4 2006/06/29 21:22:24 gunter Exp $
+// GEANT4 tag $Name: geant4-08-01 $
 //
 // 
 // Jeff Kallenbach 01 Aug 1996
@@ -41,7 +44,14 @@
 
 G4OpenInventorXt::G4OpenInventorXt ()
 :G4OpenInventor("OpenInventorXt","OIX",G4VGraphicsSystem::threeD)
+,fInited(false)
 {
+}
+
+void G4OpenInventorXt::Initialize()
+{
+  if(fInited) return; //Done
+
   SetInteractorManager (G4Xt::getInstance ());
   GetInteractorManager () -> 
     RemoveDispatcher((G4DispatchFunction)XtDispatchEvent);  
@@ -50,7 +60,6 @@ G4OpenInventorXt::G4OpenInventorXt ()
 
   Widget top = (Widget)GetInteractorManager()->GetMainInteractor();
 
-
   if(getenv("XENVIRONMENT")==NULL) {
     XrmDatabase database = XrmGetDatabase(XtDisplay(top));
     if(database!=NULL) {
@@ -74,11 +83,14 @@ G4OpenInventorXt::G4OpenInventorXt ()
   SoXt::init(top);
 
   InitNodes();
+
+  fInited = true;
 }
 
 G4OpenInventorXt::~G4OpenInventorXt () {}
 G4VViewer* G4OpenInventorXt::CreateViewer (G4VSceneHandler& scene, const G4String& name) 
 {
+  Initialize();
   G4OpenInventorSceneHandler* pScene = (G4OpenInventorSceneHandler*)&scene;
   return new G4OpenInventorXtViewer (*pScene, name);
 }