RFR: 8296621: Stage steals focus on scene change [v4]

[Thiago Milczarek Sayao]

On Tue, 6 Dec 2022 13:09:25 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> I don't mind changing it, but I think those durations are relative, so `Duration.millis(0)` means "don't wait". I'm not sure I follow the recommendation.
>
> To expand on what Ambarish said, if you have a repeating timeline, any action that is done as part of a `KeyFrame` at time 0 will be executed immediately (with no delay) after an action that is done as part of the `KeyFrame` at time `last`. So in the current test (which mimics the manual test program submitted with the bug), what you have is:
> 
> 
> set scene 1
> wait 200 msec
> set scene 2
> set scene 1 // immediately after the previous
> wait 200 msec
> ...
> 
> 
> To do what you want, you might add a third "no-op" `KeyFrame` at time 400 (you could also change the time values for the two existing `KeyFrame`s to 200 and 400, respectively, but then no scene would be set for the first 200 msec of the test when the timeline first plays).

I've changed it as requested, but I must confess I didn't get the point. But don't waste time to explain, somewhere in the future it will become clear.

-------------

PR: https://git.openjdk.org/jfx/pull/940