### Eclipse Workspace Patch 1.0
#P org.eclipse.swt
Index: Eclipse SWT/cocoa/org/eclipse/swt/widgets/Canvas.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Canvas.java,v
retrieving revision 1.32
diff -u -r1.32 Canvas.java
--- Eclipse SWT/cocoa/org/eclipse/swt/widgets/Canvas.java	26 May 2009 20:28:52 -0000	1.32
+++ Eclipse SWT/cocoa/org/eclipse/swt/widgets/Canvas.java	28 May 2009 20:43:27 -0000
@@ -265,7 +265,7 @@
 }
 
 boolean isOpaque (int /*long*/ id, int /*long*/ sel) {
-	if (context != null) return true;
+	if (id == view.id && context != null) return true;
 	return super.isOpaque(id, sel);
 }