Integrated: 8190411: NPE in SliderSkin:140 if Slider.Tooltip.autohide is true

[Karthik P K]

On Thu, 1 Dec 2022 17:03:03 GMT, Karthik P K <kpk at openjdk.org> wrote:

> Cause: When slider is dragged for first time after tooltip appears, setOnMousePressed event was not invoked, hence dragStart was null in the subsequently invoked event handler (setOnMouseDragged).
> 
> Fix: Initialized dragStart in initialize method.
> 
> Test: Added system test to validate the fix.
> 
> Note: Initializing dragStart in layoutChildren method as suggested in the bug was causing side effects. Hence initialized dragStart in initialize method.

This pull request has now been integrated.

Changeset: 8763e8b0
Author:    Karthik P K <kpk at openjdk.org>
Committer: Ambarish Rapte <arapte at openjdk.org>
URL:       https://git.openjdk.org/jfx/commit/8763e8b0d67db33fc3aa40c459058957e3230346
Stats:     180 lines in 2 files changed: 180 ins; 0 del; 0 mod

8190411: NPE in SliderSkin:140 if Slider.Tooltip.autohide is true

Reviewed-by: arapte, angorya, kcr

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PR: https://git.openjdk.org/jfx/pull/965