RFR: 8337400: [Linux] Initial window position is not centered on Ubuntu 24.04 / Xorg

[Thiago Milczarek Sayao]

On Fri, 16 Aug 2024 20:28:20 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> This causes a regression on Ubuntu 22.04. The following tests fail with this fix (they all pass with current master), when using X.org or Wayland:
> 
> ```
> SizeToSceneTest > testInitialSizeOnFullscreenThenSizeToScene() FAILED
>     org.opentest4j.AssertionFailedError: 360.0 >= 1870.0 ==> expected: <true> but was: <false>
> 
> SizeToSceneTest > testInitialSizeOnMaximizedThenSizeToScene() FAILED
>     org.opentest4j.AssertionFailedError: 360.0 >= 1870.0 ==> expected: <true> but was: <false>
> 
> SizeToSceneTest > testInitialSizeOnSizeToSceneThenMaximized() FAILED
>     org.opentest4j.AssertionFailedError: 360.0 >= 1870.0 ==> expected: <true> but was: <false>
> ```
> 
> On Ubuntu 24.04 there are also some new failures in `SizeToSceneTest ` with this PR, but several of the test fail anyway on 24.04

It always failing for me, with this PR or without.

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PR Comment: https://git.openjdk.org/jfx/pull/1520#issuecomment-2295445620