Index: gnu/java/awt/AWTUtilities.java
===================================================================
RCS file: /cvsroot/classpath/classpath/gnu/java/awt/AWTUtilities.java,v
retrieving revision 1.5
diff -u -r1.5 AWTUtilities.java
--- gnu/java/awt/AWTUtilities.java	26 Jul 2005 13:53:34 -0000	1.5
+++ gnu/java/awt/AWTUtilities.java	12 Sep 2005 15:59:21 -0000
@@ -592,9 +592,12 @@
 
     if (destination == null)
       destination = getRoot(source);
-
-    convertPointToScreen(pt, source);
-    convertPointFromScreen(pt, destination);
+    
+    if (source.isShowing() && destination.isShowing())
+      {
+        convertPointToScreen(pt, source);
+        convertPointFromScreen(pt, destination);
+      }
 
     return pt;
   }
Index: javax/swing/JPopupMenu.java
===================================================================
RCS file: /cvsroot/classpath/classpath/javax/swing/JPopupMenu.java,v
retrieving revision 1.21
diff -u -r1.21 JPopupMenu.java
--- javax/swing/JPopupMenu.java	9 Sep 2005 14:44:39 -0000	1.21
+++ javax/swing/JPopupMenu.java	12 Sep 2005 15:59:22 -0000
@@ -590,13 +590,15 @@
                 JLayeredPane layeredPane;
                 layeredPane = SwingUtilities.getRootPane(invoker).getLayeredPane();
                 Point p = new Point(popupLocation.x, popupLocation.y);
-                SwingUtilities.convertPointFromScreen(p, layeredPane);          
+                
+                if (layeredPane.isShowing())
+                  SwingUtilities.convertPointFromScreen(p, layeredPane);          
                 
                 if (size.width + popupLocation.x > screenSize.width)
                   popupLocation.x -= size.width;
                 if (size.height + popupLocation.y > screenSize.height)
                   popupLocation.y -= size.height;
-                
+
                 popup.show(p.x, p.y, size.width, size.height);
               }
             else
@@ -669,11 +671,14 @@
    */
   public void show(Component component, int x, int y)
   {
-    setInvoker(component);
-    Point p = new Point(x, y);
-    SwingUtilities.convertPointToScreen(p, component);
-    setLocation(p.x, p.y);
-    setVisible(true);
+    if (component.isShowing())
+      {
+        setInvoker(component);
+        Point p = new Point(x, y);
+        SwingUtilities.convertPointToScreen(p, component);
+        setLocation(p.x, p.y);
+        setVisible(true);
+      }
   }
 
   /**
Index: javax/swing/MenuSelectionManager.java
===================================================================
RCS file: /cvsroot/classpath/classpath/javax/swing/MenuSelectionManager.java,v
retrieving revision 1.11
diff -u -r1.11 MenuSelectionManager.java
--- javax/swing/MenuSelectionManager.java	29 Jul 2005 19:05:01 -0000	1.11
+++ javax/swing/MenuSelectionManager.java	12 Sep 2005 15:59:22 -0000
@@ -146,7 +146,9 @@
   {
     // Convert sourcePoint to screen coordinates.
     Point sourcePointOnScreen = sourcePoint;
-    SwingUtilities.convertPointToScreen(sourcePointOnScreen, source);
+    
+    if (source.isShowing())
+      SwingUtilities.convertPointToScreen(sourcePointOnScreen, source);
 
     Point compPointOnScreen;
     Component resultComp = null;
@@ -168,7 +170,10 @@
 	    && sourcePointOnScreen.y < compPointOnScreen.y + size.height)
 	  {
 	    Point p = sourcePointOnScreen;
-	    SwingUtilities.convertPointFromScreen(p, comp);
+        
+        if (comp.isShowing())
+          SwingUtilities.convertPointFromScreen(p, comp);
+        
 	    resultComp = SwingUtilities.getDeepestComponentAt(comp, p.x, p.y);
 	    break;
 	  }
Index: javax/swing/ToolTipManager.java
===================================================================
RCS file: /cvsroot/classpath/classpath/javax/swing/ToolTipManager.java,v
retrieving revision 1.12
diff -u -r1.12 ToolTipManager.java
--- javax/swing/ToolTipManager.java	2 Jul 2005 20:32:49 -0000	1.12
+++ javax/swing/ToolTipManager.java	12 Sep 2005 15:59:22 -0000
@@ -526,13 +526,14 @@
       }
     else
       {
-	SwingUtilities.convertPointToScreen(p, currentComponent);
-	tooltipWindow = new JWindow();
-	tooltipWindow.getContentPane().add(currentTip);
-	tooltipWindow.setFocusable(false);
-	tooltipWindow.pack();
-	tooltipWindow.setBounds(p.x, p.y, dims.width, dims.height);
-	tooltipWindow.show();
+        if (currentComponent.isShowing())
+          SwingUtilities.convertPointToScreen(p, currentComponent);
+    	tooltipWindow = new JWindow();
+    	tooltipWindow.getContentPane().add(currentTip);
+    	tooltipWindow.setFocusable(false);
+    	tooltipWindow.pack();
+    	tooltipWindow.setBounds(p.x, p.y, dims.width, dims.height);
+    	tooltipWindow.show();
       }
     currentTip.setVisible(true);
   }
Index: javax/swing/plaf/basic/BasicToolBarUI.java
===================================================================
RCS file: /cvsroot/classpath/classpath/javax/swing/plaf/basic/BasicToolBarUI.java,v
retrieving revision 1.11
diff -u -r1.11 BasicToolBarUI.java
--- javax/swing/plaf/basic/BasicToolBarUI.java	26 Jul 2005 14:16:43 -0000	1.11
+++ javax/swing/plaf/basic/BasicToolBarUI.java	12 Sep 2005 15:59:22 -0000
@@ -1030,13 +1030,15 @@
         }
 
       origin = new Point(0, 0);
-      SwingUtilities.convertPointToScreen(ssd, toolBar);
+      if (toolBar.isShowing())
+        SwingUtilities.convertPointToScreen(ssd, toolBar);
 
       if (! (SwingUtilities.getAncestorOfClass(Window.class, toolBar) instanceof UIResource))
 	// Need to know who keeps the toolBar if it gets dragged back into it.
 	origParent = toolBar.getParent();
-
-      SwingUtilities.convertPointToScreen(origin, toolBar);
+      
+      if (toolBar.isShowing())
+        SwingUtilities.convertPointToScreen(origin, toolBar);
 
       isDragging = true;