src/java.desktop/share/classes/sun/swing/SwingUtilities2.java

@@ -2195,10 +2195,39 @@
 
         return UIManager.getBoolean(key);
     }
 
     /**
+     *
+     * Returns the graphics configuration which bounds contain the given
+     * point
+     *
+     * @param current the default configuration which is checked in the first place
+     * @param x the x coordinate of the given point
+     * @param y the y coordinate of the given point
+     * @return the graphics configuration
+     */
+    public static GraphicsConfiguration getGraphicsConfigurationAtPoint(GraphicsConfiguration current, double x, double y) {
+
+        if (current.getBounds().contains(x, y)) {
+            return current;
+        }
+
+        GraphicsEnvironment env = GraphicsEnvironment.getLocalGraphicsEnvironment();
+        GraphicsDevice[] devices = env.getScreenDevices();
+
+        for (GraphicsDevice device : devices) {
+            GraphicsConfiguration config = device.getDefaultConfiguration();
+            if (config.getBounds().contains(x, y)) {
+                return config;
+            }
+        }
+
+        return current;
+    }
+
+    /**
      * Used to listen to "blit" repaints in RepaintManager.
      */
     public interface RepaintListener {
         void repaintPerformed(JComponent c, int x, int y, int w, int h);
     }