RFR: 8267160: Monocle mouse never get ENTERED state

[Johan Vos]

On Fri, 14 May 2021 16:29:19 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> true to both questions.
>> The reason for this change is that this is now doing the same as what is done in `monocle.TouchState` and `monocle.TouchInput`. 
>> TBH, I would prefer a different approach, where no fallback is passed, and the `if` block is only executed when `recalculateCache` is set to `true`. The only case where this `getWindow` method is invoked, is from `MouseInput` and it is only used to detect if the "old" window is different from the current window. Hence, it all seems a bit overkill to me, but for some reason, I thought keeping things consistent (mouseState versus TouchState) would make sense.
>> If you are ok with it, I can simply rewrite this without looking at the TouchState case?
>
> Either is fine with me. As long as this fixes your problem, go ahead with the fix. Or if you prefer, go ahead and rewrite it.

I'll keep it like this for now, and I created a follow-up issue (JDK-8267175) for dealing with touch/mouse/key state/input handling in general in monocle.

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PR: https://git.openjdk.java.net/jfx/pull/502