1 files changed, 42 insertions, 33 deletions

diff --git a/libjava/gnu/awt/xlib/XEventLoop.java b/libjava/gnu/awt/xlib/XEventLoop.java
index ad5e963..5f5026b 100644
--- a/libjava/gnu/awt/xlib/XEventLoop.java
+++ b/libjava/gnu/awt/xlib/XEventLoop.java
@@ -118,57 +118,66 @@ public class XEventLoop implements Runnable
    * AWT event.
    */
     
-  AWTEvent createEvent()
+  AWTEvent createEvent ()
   {
+    int type = anyEvent.getType ();
+    // Ignore some events without further processing
+    switch (type)
+    {
+      // ignore "no expose" events, which are generated whenever a  pixmap
+      // is copied to copied to a window which is entirely unobscured
+      case XAnyEvent.TYPE_NO_EXPOSE:
+      case XAnyEvent.TYPE_UNMAP_NOTIFY:     // ignore for now
+      case XAnyEvent.TYPE_MAP_NOTIFY:       // ignore for now
+      case XAnyEvent.TYPE_REPARENT_NOTIFY:  // ignore for now
+        return null;
+      default:
+        break;  // continue processing events not in ignore list
+    }
     /* avoid attempting to get client data before client data has
        been set. */
     Object peer;
     synchronized (this)
-      {
-	peer = anyEvent.getWindow().getClientData();
-      }
-	    
+    {
+      peer = anyEvent.getWindow ().getClientData ();
+    }
+    
     Component source = null;
-
+    
     // Try to identify source component
-	
+    
     if (peer instanceof XCanvasPeer)
-      {
-	source = ((XCanvasPeer) peer).getComponent();
-      }
-	
+    {
+      source = ((XCanvasPeer) peer).getComponent ();
+    }
+    
     if (source == null)
-      {
-	String msg = "unable to locate source for event (" +
-	  anyEvent + ")";
-	throw new RuntimeException(msg);
-      }
-
+    {
+      String msg = "unable to locate source for event (" +
+      anyEvent + "): peer=" + peer;
+      throw new RuntimeException (msg);
+    }
+    
     /* if a mapping from anyEvent to AWTEvent is possible, construct a
        new AWTEvent and return it. */
-	
-    int type = anyEvent.getType();
+    
     switch (type)
-      {
+    {
       case XAnyEvent.TYPE_EXPOSE:
-	return createPaintEvent(source);
+        return createPaintEvent (source);
       case XAnyEvent.TYPE_BUTTON_PRESS:
       case XAnyEvent.TYPE_BUTTON_RELEASE:
-	return createMouseEvent(type, source);
-      case XAnyEvent.TYPE_UNMAP_NOTIFY:
-      case XAnyEvent.TYPE_MAP_NOTIFY:
-      case XAnyEvent.TYPE_REPARENT_NOTIFY:
-	return null; // ignore for now
+        return createMouseEvent (type, source);
       case XAnyEvent.TYPE_CONFIGURE_NOTIFY:
-	configureNotify(peer);
-	return null;
-
+        configureNotify (peer);
+        return null;
+        
       default:
-	String msg = "Do no know how to handle event (" + anyEvent + ")";
-	throw new RuntimeException(msg);
-      }
+        String msg = "Do no know how to handle event (" + anyEvent + ")";
+        throw new RuntimeException (msg);
+    }
   }
-    
+  
   AWTEvent createPaintEvent(Component src)
   {
     XExposeEvent expose = new XExposeEvent(anyEvent);