RFR: 8320965: Scrolling on a touch enabled display fails on Wayland [v3]

[Jose Pereda]

On Mon, 18 Dec 2023 22:00:28 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> Jose Pereda has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Add compile-time checks to GdkSeat
>
> The addition of the compile-time flags looks OK.
> 
> I did a build with GTK 3.22 (so it compiles the new code, does the dlsym, and does the runtime check) and verified that there are no regressions when running on an older system (Ubuntu 16.04).
> 
> I then did a full test run on our headful test systems, and there is one new test failure -- it seems to be intermittent, although fails pretty consistently on our Ubuntu 22.04 and Ubuntu 20.04 test systems. I can reproduce it locally on a VM running Ubuntu 22.04, where it fails about 1/2 the time with this patch applied (it fails more often on our physical test systems).
> 
> 
> DatePickerTest > testDatePickerSceneChange FAILED
>     java.lang.AssertionError: Timeout: Failed to receive onAction call.
>         at org.junit.Assert.fail(Assert.java:89)
>         at org.junit.Assert.assertTrue(Assert.java:42)
>         at test.util.Util.waitForLatch(Util.java:400)
>         at test.robot.javafx.scene.DatePickerTest.clickDatePickerCalendarPopup(DatePickerTest.java:90)
>         at test.robot.javafx.scene.DatePickerTest.testDatePickerSceneChange(DatePickerTest.java:123)
> 
> 
> Not sure what to make of this. I am not aware of any problems with this test, but it's possible that your fix has exposed a latent issue either in the test or somewhere else.

@kevinrushforth is there anything else to be done before we can move this PR forward?

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PR Comment: https://git.openjdk.org/jfx/pull/1305#issuecomment-1902776414