RFR: 8296387: [Tooltip, CSS] -fx-show-delay is only applied to the first tooltip that is shown before it is displayed [v4]

[Andy Goryachev]

On Thu, 23 May 2024 14:54:36 GMT, Marius Hanl <mhanl at openjdk.org> wrote:

>> This PR fixes a long standing issue where the `Tooltip` will always wait one second until it appears the very first time, even if the 
>> `-fx-show-delay` was set to another value.
>> 
>> The culprit is, that the `cssForced` flag is not inside `Tooltip`, but inside the `TooltipBehaviour`. So the very first `Tooltip` gets processed correctly, but after no `Tooltip` will be processed by CSS before showing, resulting in the set `-fx-show-delay` to not be applied immediately.
>> 
>> Added a bunch of headful tests for the behaviour since there were none before.
>
> Marius Hanl has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:
> 
>  - Implement applyStylesheetFromOwner(..) and use it instead to ensure correct CSS processing for the Tooltip Node.
>  - Merge branch 'master' of https://github.com/openjdk/jfx into 8296387-tooltip-css
>  - Allow Tooltip to process the owner styles first so that also global stylesheets are considered for the e.g. tooltip show-delay
>  - JDK-8296387: [Tooltip, CSS] -fx-show-delay is only applied to the first tooltip that is shown before it is displayed

Strange: I still see the same issue described in
https://github.com/openjdk/jfx/pull/1394#issuecomment-1986520680
(the very first tooltip after updating stylesheet uses the old value)

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PR Comment: https://git.openjdk.org/jfx/pull/1394#issuecomment-2128039109