Withdrawn: 8260528: Clean glass-gtk sizing and positioning code

[Thiago Milczarek Sayao]

On Tue, 15 Dec 2020 12:24:01 GMT, Thiago Milczarek Sayao <tsayao at openjdk.org> wrote:

> This is a new approach to rewrite parts of gtk glass backend to be more clean.
> 
> I will provide small "manageable" PR to incrementally make the backend better.
> 
> This PR adresses cleanup of the Size and Positioning code. It makes code more "straightforward" and easier to maintain.
> 
> Current status (Ubuntu 20.04):
> ![image](https://user-images.githubusercontent.com/30704286/102702414-1b1b1800-4241-11eb-90bf-8ab737ce2e04.png)
> 
> (*) Some of the iconify tests are also failing on the main branch. 
> 
> `gradlew -PFULL_TEST=true -PUSE_ROBOT=true :systemTests:test --tests test.robot.javafx.stage.IconifyTest` on a second run produces 4 tests, 2 failures.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jfx/pull/367