RFR: 8305418: [Linux] Replace obsolete XIM as Input Method Editor [v35]

[Glavo]

On Thu, 16 Jan 2025 14:32:14 GMT, Thiago Milczarek Sayao <tsayao at openjdk.org> wrote:

>> This replaces obsolete XIM and uses gtk api for IME.
>> Gtk uses [ibus](https://github.com/ibus/ibus)
>> 
>> Gtk3+ uses relative positioning (as Wayland does), so I've added a Relative positioning on `InputMethodRequest`.
>> 
>> [Screencast from 17-09-2023 21:59:04.webm](https://github.com/openjdk/jfx/assets/30704286/6c398e39-55a3-4420-86a2-beff07b549d3)
>
> Thiago Milczarek Sayao has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Restore unintended change from merging master

This is awesome!

Is there a plan to backport this PR to OpenJFX 17? This PR is very important for users in East Asia, so we hope it will be part of OpenJFX 24 and backported to OpenJFX 17/21.

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PR Comment: https://git.openjdk.org/jfx/pull/1080#issuecomment-2596054110