RFR: 8351867: No UI changes while iconified [v3]

[Andy Goryachev]

On Wed, 18 Jun 2025 21:52:22 GMT, John Hendrikx <jhendrikx at openjdk.org> wrote:

>>> I have noticed the tests for maximized stages fail on my system:
>> 
>> That's expected. This PR fixes the case where the window goes from iconified to restored. When looking at the code I realized the same fix needs to be applied when the window goes from iconified to maximized so I added that to the test.
>
>> > I have noticed the tests for maximized stages fail on my system:
>> 
>> That's expected. This PR fixes the case where the window goes from iconified to restored. When looking at the code I realized the same fix needs to be applied when the window goes from iconified to maximized so I added that to the test.
> 
> Do I need to add additional code for that case?  The fix is now in `WindowEvent.RESTORE`, which I think should be catching both cases, or does de-iconifying to a maximized stage somehow not send a restore event?  The terms are somewhat confusing; if `RESTORE` indicates go to a non-maximized/non-minimized/non-iconified "normal" state, then I suppose I need to add more code in `MAXIMIZE` as well...
> 
> Edit: I see that iconified state is explicitly set to `false` in the `MAXIMIZE` branch, so it looks like we'd need to do the same there.  I'll do some tests.

@hjohn you might want to add [JDK-8146479](https://bugs.openjdk.org/browse/JDK-8146479) to the PR via `/ issue add` command.

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PR Comment: https://git.openjdk.org/jfx/pull/1733#issuecomment-3013397520