From Stephan Huber, GraphicsWindowCarbon implementation

include/osg/GraphicsContext

@@ -74,6 +74,7 @@ class OSG_EXPORT GraphicsContext : public Referenced
                 level(0),
                 face(0),
                 mipMapGeneration(false),
+                vsync(true),
                 sharedContext(0) {}
                             
             // graphics context orginal and size
@@ -110,6 +111,9 @@ class OSG_EXPORT GraphicsContext : public Referenced
             unsigned int    face;
             unsigned int    mipMapGeneration;
             
+            // V-sync
+            bool            vsync;
+            
             // shared context
             GraphicsContext* sharedContext;
         };

include/osgViewer/GraphicsWindowCarbon

@@ -0,0 +1,113 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield 
+ *
+ * This library is open source and may be redistributed and/or modified under  
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
+ * OpenSceneGraph Public License for more details.
+*/
+
+/* Note, elements of GraphicsWindowX11 have used Prodcer/RenderSurface_X11.cpp as both
+ * a guide to use of X11/GLX and copiying directly in the case of setBorder().
+ * These elements are license under OSGPL as above, with Copyright (C) 2001-2004  Don Burns.
+ */
+
+#ifndef OSGVIEWER_GRAPHICSWINDOWCARBON
+#define OSGVIEWER_GRAPHICSWINDOWCARBON 1
+
+#ifdef __APPLE__
+
+#include <osgViewer/GraphicsWindow>
+#include <Carbon/Carbon.h>
+#include <AGL/agl.h>
+namespace osgViewer
+{
+
+class GraphicsWindowCarbon : public osgViewer::GraphicsWindow
+{
+    public:
+
+        GraphicsWindowCarbon(osg::GraphicsContext::Traits* traits):
+            _valid(false),
+            _initialized(false),
+            _realized(false)
+        {
+            _traits = traits;
+
+            init();
+            
+            if (valid())
+            {
+                setState( new osg::State );
+                getState()->setContextID( osg::GraphicsContext::createNewContextID() );
+            }
+        }
+    
+        virtual bool valid() const { return _valid; }
+
+        /** Realise the GraphicsContext.*/
+        virtual bool realizeImplementation();
+
+        /** Return true if the graphics context has been realised and is ready to use.*/
+        virtual bool isRealizedImplementation() const { return _realized; }
+
+        /** Close the graphics context.*/
+        virtual void closeImplementation();
+
+        /** Make this graphics context current.*/
+        virtual bool makeCurrentImplementation();
+        
+        /** Release the graphics context.*/
+        virtual bool releaseContextImplementation();
+
+        /** Swap the front and back buffers.*/
+        virtual void swapBuffersImplementation();
+        
+        /** Check to see if any events have been generated.*/
+        virtual void checkEvents();
+
+        /** Set Window decoration.*/
+        virtual void setWindowDecoration(bool flag);
+
+        /** Get focus.*/
+        virtual void grabFocus();
+        
+        /** Get focus on if the pointer is in this window.*/
+        virtual void grabFocusIfPointerInWindow();
+        
+        void requestClose() { _closeRequested = true; }
+        
+        virtual void resizedImplementation(int x, int y, int width, int height);
+
+    protected:
+    
+        void init();
+        
+        void transformMouseXY(float& x, float& y);
+        
+
+        bool            _valid;
+        bool            _initialized;
+        bool            _realized;
+        bool            _useWindowDecoration;
+
+        WindowRef       _window;
+        AGLContext      _context;
+        AGLPixelFormat  _pixelFormat;
+    
+    private:
+        
+        void handleMouseEvent(EventRef theEvent);
+        void handleKeyboardEvent(EventRef theEvent);
+        
+        bool _closeRequested;
+};
+
+}
+
+#endif
+#endif

include/osgViewer/Viewer

@@ -62,8 +62,14 @@ class OSGVIEWER_EXPORT Viewer : public osgViewer::View
           * Setting to 0 switches off the feature.*/
         void setKeySetsDone(int key) { _keySetsDone = key; }
 
-        /** Set the key value that the viewer checks on each frame to see if the viewer's done flag.*/
+        /** get the key value that the viewer checks on each frame to see if the viewer's done flag.*/
         int getKeySetsDone() const { return _keySetsDone; }
+        
+        /** if the flag is true, the viewer set its done flag when a QUIT_APPLICATION is received, false disables this feature */
+        void setQuitEventSetsDone(bool flag) { _quitEventSetsDone = flag; }
+        
+        /** @return true if the viewer respond to the QUIT_APPLICATION-event */
+        bool getQuitEventSetsDone() const { return _quitEventSetsDone; }
 
         /** Execute a main frame loop.
           * Equivialant to while (!viewer.done()) viewer.frame();
@@ -115,6 +121,7 @@ class OSGVIEWER_EXPORT Viewer : public osgViewer::View
         
         bool _done;
         int _keySetsDone;
+        bool _quitEventSetsDone;
         
         ThreadingModel _threadingModel;