Integrated: 8252236: TabPane: must keep header of selected tab visible

[Jeanette Winzenburg]

On Thu, 10 Sep 2020 12:03:34 GMT, Jeanette Winzenburg <fastegal at openjdk.org> wrote:

> the issue is that the header of the selected tab is not always visible (or kept visible, see report for details)
> 
> - initially
> - after changing side
> - after resizing stage/tabPane
> - after modifying the list of tabs
> 
> Fixed in TabPaneSkin to notify its TabHeaderArea (== collaborator that is responsible for layout the tabs) whenever its
> scroll might need an update.
> Added tests that fail before and pass after the fix.
> 
> Note that there still are issues while/after dragging, which are separated into
> [JDK-8253352](https://bugs.openjdk.java.net/browse/JDK-8253352)

This pull request has now been integrated.

Changeset: 5b42b642
Author:    Jeanette Winzenburg <fastegal at openjdk.org>
URL:       https://git.openjdk.java.net/jfx/commit/5b42b642
Stats:     521 lines in 3 files changed: 511 ins; 4 del; 6 mod

8252236: TabPane: must keep header of selected tab visible

Reviewed-by: arapte, kcr

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PR: https://git.openjdk.java.net/jfx/pull/300