Added support for getting all windows and hiding the cursor

src/osgViewer/GraphicsWindowX11.cpp

@@ -333,6 +333,25 @@ void GraphicsWindowX11::setWindowDecoration(bool flag)
         osg::notify(osg::NOTICE)<<"Error: GraphicsWindowX11::setBorder(" << flag << ") - couldn't change decorations." << std::endl;
 }
 
+void GraphicsWindowX11::useCursor(bool cursorOn)
+{
+    if (cursorOn)
+    {
+        _currentCursor = _defaultCursor;
+    }
+    else
+    {
+        _currentCursor = _nullCursor;
+    }
+
+    if (_display && _window)
+    {
+        XDefineCursor( _display, _window, _currentCursor );
+        XFlush(_display);
+        XSync(_display,0);
+    }
+}
+
 void GraphicsWindowX11::init()
 {
     if (_initialized) return;
@@ -461,17 +480,7 @@ void GraphicsWindowX11::init()
         _nullCursor = XCreatePixmapCursor( _display, pixmap, pixmap, &ncol, &ncol, 0, 0 );
     }
 
-#if 1
-    _currentCursor = _defaultCursor;
-#else
-    _currentCursor = _nullCursor;
-#endif
-
-    {
-        XDefineCursor( _display, _window, _currentCursor );
-        XFlush(_display);
-        XSync(_display,0);
-    }
+    useCursor(true);
 
     XSelectInput( _display, _window, ExposureMask | StructureNotifyMask | 
                                      KeyPressMask | KeyReleaseMask |

src/osgViewer/Viewer.cpp

@@ -94,6 +94,39 @@ void Viewer::getContexts(Contexts& contexts)
     }
 }
 
+void Viewer::getWindows(Windows& windows)
+{
+    typedef std::set<osgViewer::GraphicsWindow*> WindowSet;
+    WindowSet windowSet;
+
+    if (_camera.valid() && _camera->getGraphicsContext())
+    {
+        osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(_camera->getGraphicsContext());
+        if (gw) windowSet.insert(gw);
+    }
+    
+    for(unsigned int i=0; i<getNumSlaves(); ++i)
+    {
+        Slave& slave = getSlave(i);
+        if (slave._camera.valid() && slave._camera->getGraphicsContext())
+        {
+            osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(slave._camera->getGraphicsContext());
+            if (gw) windowSet.insert(gw);
+        }
+    }
+
+    windows.clear();
+    windows.reserve(windowSet.size());
+
+    for(WindowSet::iterator itr = windowSet.begin();
+        itr != windowSet.end();
+        ++itr)
+    {
+        windows.push_back(const_cast<osgViewer::GraphicsWindow*>(*itr));
+    }
+}
+
+
 OpenThreads::Mutex mutex;
 
 // Compile operation, that compile OpenGL objects.