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Re: Help menu changes window focus!?



On Sep 25, 2008, at 3:53 PM, Roby Sherman wrote:

Hi.

Not sure if this is an issue with the current JavaVM (1.5.0_16- b06-284) on Leopard or if this is existing since I only created a Help menu today, but I noticed that when the Help menu (and only the Help menu) is clicked, my app's lostFocus event fires. Then when let go of the mouse button and the menu disappears, focus is regained.

Surely that's not an "expected behavior"? Can someone confirm or deny if this is "bug" or a "feature"?

This is actually a regression that was introduced in Leopard GM (with the introduction of the Help menu with the search field in it).


The fundamental problem is that the NSWindow that holds the Java content has lost "key", but is still considered to be "main" (to use AppKit's terminology). In Tiger and prior, there was no effective difference between "key" or "main" from Java's perspective, so we triggered our focus notifications off of "key". Come to find out, we should have used "main".

We have a bug or two tracking this issue, however the replumbing of the AWT to trigger everything off of "main" will likely be a destabilizing change - which will have to be done carefully.

Apologies,
Mike Swingler
Java Runtime Engineer
Apple Inc.
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