src/java.desktop/share/classes/java/awt/Component.java

*** 1133,1145 ****
          checkTreeLock();
  
          if (graphicsConfig == gc) {
              return false;
          }
! 
          graphicsConfig = gc;
  
          ComponentPeer peer = this.peer;
          if (peer != null) {
              return peer.updateGraphicsData(gc);
          }
          return false;
--- 1133,1154 ----
          checkTreeLock();
  
          if (graphicsConfig == gc) {
              return false;
          }
!         GraphicsConfiguration oldConfig = graphicsConfig;        
          graphicsConfig = gc;
          
+         /* 
+          * If component is moved from one screen to another sceeen
+          * graphicsConfiguration property is fired to enable the component 
+          * to recalculate any rendering data, if needed
+          */
+         if (oldConfig != null && gc != null) {
+             firePropertyChange("graphicsConfiguration", oldConfig, gc);
+         }
+ 
          ComponentPeer peer = this.peer;
          if (peer != null) {            
              return peer.updateGraphicsData(gc);
          }
          return false;