From Martins Innus, "Here is a fix to add requestWarpPointer for OS X. It seems to work for me, I just took what osgProducer had. These are updated files to 2.7.3"

include/osgViewer/api/Carbon/GraphicsWindowCarbon

@@ -92,6 +92,9 @@ class GraphicsWindowCarbon : public osgViewer::GraphicsWindow
         /** Set Window decoration.*/
         virtual bool setWindowDecorationImplementation(bool flag);
 
+        // Override from GUIActionAdapter
+        virtual void requestWarpPointer( float x, float y);
+
         /** Get focus.*/
         virtual void grabFocus();
         

src/osgViewer/GraphicsWindowCarbon.cpp

@@ -1259,6 +1259,24 @@ void GraphicsWindowCarbon::setWindowName (const std::string& name)
     }
 }
 
+void GraphicsWindowCarbon::requestWarpPointer(float x,float y)
+{
+
+    OSXCarbonWindowingSystemInterface* wsi = dynamic_cast<OSXCarbonWindowingSystemInterface*>(osg::GraphicsContext::getWindowingSystemInterface());
+    if (wsi == NULL) {
+        osg::notify(osg::WARN) << "GraphicsWindowCarbon::useCursor :: could not get OSXCarbonWindowingSystemInterface" << std::endl;
+        return;
+    }
+
+    CGDirectDisplayID displayId = wsi->getDisplayID((*_traits));
+
+    CGPoint point;
+    point.x = x;
+    point.y = y;
+    CGDisplayMoveCursorToPoint(displayId, point);
+
+    getEventQueue()->mouseWarped(x,y);
+}
 
 
 void GraphicsWindowCarbon::transformMouseXY(float& x, float& y)