Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/visualization/OpenGL/include/private/G4OpenGLXViewer.hh

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  1 //
  2 // ********************************************************************
  3 // * License and Disclaimer                                           *
  4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
  6 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
  7 // * conditions of the Geant4 Software License,  included in the file *
  8 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
  9 // * include a list of copyright holders.                             *
 10 // *                                                                  *
 11 // * Neither the authors of this software system, nor their employing *
 12 // * institutes,nor the agencies providing financial support for this *
 13 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file  LICENSE  and URL above *
 16 // * for the full disclaimer and the limitation of liability.         *
 17 // *                                                                  *
 18 // * This  code  implementation is the result of  the  scientific and *
 19 // * technical work of the GEANT4 collaboration.                      *
 20 // * By using,  copying,  modifying or  distributing the software (or *
 21 // * any work based  on the software)  you  agree  to acknowledge its *
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 23 // * acceptance of all terms of the Geant4 Software license.          *
 24 // ********************************************************************
 25 //
 26 //
 27 //
 28 // 
 29 // Andrew Walkden  7th February 1997
 30 // G4OpenGLXViewer : Class to provide XWindows specific
 31 //                   functionality for OpenGL in GEANT4
 32 
 33 #ifndef G4OPENGLXVIEWER_HH
 34 #define G4OPENGLXVIEWER_HH
 35 
 36 #include "G4OpenGLViewer.hh"
 37 #include "globals.hh"
 38 
 39 #include <X11/Intrinsic.h>
 40 
 41 #include "G4OpenGL.hh"
 42 #include <GL/glx.h>
 43 
 44 class G4OpenGLSceneHandler;
 45 class G4Text;
 46 
 47 class G4OpenGLXViewer: virtual public G4OpenGLViewer {
 48 
 49   friend class G4OpenGLXViewerMessenger;
 50   friend class G4OpenGLXmViewer;
 51 
 52 public:
 53   G4OpenGLXViewer (G4OpenGLSceneHandler& scene);
 54   virtual ~G4OpenGLXViewer ();
 55   void SetView ();
 56   void ShowView ();
 57   void SwitchToVisSubThread();
 58   void SwitchToMasterThread();
 59   void DrawText(const G4Text&);
 60 
 61 protected:
 62   void GetXConnection ();
 63   void CreateGLXContext (XVisualInfo* vi);
 64   virtual void CreateMainWindow ();
 65   virtual void CreateFontLists ();
 66 
 67   static int snglBuf_RGBA[12];
 68   static int dblBuf_RGBA[13];
 69 
 70 //////////////////////////////Pixmap (screen dump) production functions/////
 71 
 72   XWindowAttributes                 xwa;
 73   Display                           *dpy;
 74   static XVisualInfo                *vi_single_buffer;
 75   static XVisualInfo                *vi_double_buffer;
 76   XVisualInfo                       *vi_immediate,
 77                                     *vi_stored,
 78                                     *vi;
 79   Colormap                          cmap;
 80   XSetWindowAttributes              swa;
 81   GLXDrawable                       win;
 82   GLXContext                        cxMaster;
 83   GLXContext                        cxVisSubThread;
 84   XEvent                            event;
 85   G4int                             *attributeList,
 86                                     errorBase,
 87                                     eventBase,
 88                                     major,
 89                                     minor;
 90   XSizeHints                        *norm_hints;
 91   XWMHints                          *wm_hints;
 92   XClassHint                        *class_hints;
 93   Pixmap                            icon_pixmap;
 94   XSizeHints                        *size_hints;
 95   Atom                              Xatom;
 96   XTextProperty                     windowName,
 97                                     iconName;
 98   char                              charViewName [100];
 99 
100 
101 private:
102   G4OpenGLXViewer (const G4OpenGLXViewer&);
103   G4OpenGLXViewer& operator = (const G4OpenGLXViewer&);
104   GLXContext                        tmp_cx;
105 };
106 
107 #endif
108