RFR: 8367045: [Linux] Dead keys not working [v5]

[Thiago Milczarek Sayao]

On Sun, 28 Sep 2025 20:05:43 GMT, Thiago Milczarek Sayao <tsayao at openjdk.org> wrote:

>> The bug report is on Linux Mint which does not use ibus (the gnome default).
>> 
>> With this change, it continues to work on ibus, but also works works without it (on mint) and with fcitx.
>> 
>> It seems it's correct - but it's weird that it needed those bits before. I would say it's related to  `IBUS_ENABLE_SYNC_MODE` (see [this comment](https://github.com/openjdk/jfx/pull/1080#issuecomment-2412202297) on #1080.), but it seems to be still set to 0 on Ubuntu 24.04.
>> 
>> @Glavo: Can you check if Chinese input is still correct?
>> @andzsinszan: Can you check for Japanese?
>
> Thiago Milczarek Sayao has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Restore IBUS_ENABLE_SYNC_MODE
>  - Restore IBUS_ENABLE_SYNC_MODE

Typed e followed by ' on a Brazilian Portuguese keyboard to output é and then typed "ni hao"  with Chinese Pinyin.

master branch:
<img width="668" height="706" alt="image" src="https://github.com/user-attachments/assets/90c57d9d-c569-4029-a8c7-27caf4a4cb1d" />

with this PR:
<img width="668" height="706" alt="image" src="https://github.com/user-attachments/assets/7163dad0-11e2-4b8e-aaf8-ead5b3430ea0" />

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PR Comment: https://git.openjdk.org/jfx/pull/1922#issuecomment-3344277504