RFR: 8344981: [REDO] JDK-6672644 JComboBox still scrolling if switch to another window and return back [v3]

[Damon Nguyen]

On Mon, 10 Feb 2025 21:52:37 GMT, Alexander Zvegintsev <azvegint at openjdk.org> wrote:

>> Damon Nguyen has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - Update copyright year
>>  - Change fix to use isShowing. Update test to auto.
>
> src/java.desktop/share/classes/javax/swing/plaf/basic/BasicScrollBarUI.java line 1620:
> 
>> 1618:             do {
>> 1619:                 // If application isn't in focus, stop the timer
>> 1620:                 if (focusOwner == null) {
> 
> if (!scrollbar.isShowing()) {
>           ((Timer)e.getSource()).stop();
>           buttonListener.handledEvent = false;
>           scrollbar.setValueIsAdjusting(false);
>           return;
>       }
> 
> 
> I haven't tested this solution well, but you can try to stop the timer when the scrollbar is not showing(before entering the `do` loop)

Tested this solution locally and in CI. Seems to work well. Clientlibs passes and the updated, automatic test also passes on all related platforms. Updated the PR. Thanks for providing the automated test and suggested change.

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PR Review Comment: https://git.openjdk.org/jdk/pull/23451#discussion_r1951447974