Index: javax/swing/JComponent.java
===================================================================
RCS file: /cvsroot/classpath/classpath/javax/swing/JComponent.java,v
retrieving revision 1.66
diff -u -r1.66 JComponent.java
--- javax/swing/JComponent.java	10 Oct 2005 08:53:27 -0000	1.66
+++ javax/swing/JComponent.java	10 Oct 2005 12:21:02 -0000
@@ -1536,6 +1536,7 @@
 
         if (g.hitClip(bounds.x, bounds.y, bounds.width, bounds.height))
           continue;
+
         boolean translated = false;
         try
           {
@@ -2333,6 +2334,10 @@
    */
   public void setVisible(boolean v)
   {
+    // No need to do anything if the actual value doesn't change.
+    if (isVisible() == v)
+      return;
+
     super.setVisible(v);
     Container parent = getParent();
     if (parent != null)