On Thu, 12 Dec 2024 00:05:33 GMT, 柳鲲鹏 <d...@openjdk.org> wrote:

>> Candidat box can moving with caret on windows version. Someone must wrote 
>> codes for linux(ubuntu), but it doesn't work, so he didn't commit the codes. 
>> Why it doesn't work, is the key problem.
>> 
>> 1, I wrote a example for linux:
>> https://github.com/quantum6/X11InputMethod
>> 
>> I tried all parameters to test and as my research:
>> If you use XIMPreeditCallbacks to initiate, the box can't be moved with 
>> caret.
>> If you use XIMPreeditNothing, it works.
>> All examples use XIMPreeditCallbacks to initiate input method and candidate 
>> box can't moving. So I understand why he didn't commit the codes.
>> 
>> 2, I traced the route of transfering caret coordites on windows version, 
>> then add codes for linux.
>> 3, Taishan Office(like Microsoft Office Word) is running on jdk, we tested 
>> for a long time, it works OK.
>> 4, I am not sure for AIX( no environment).
>> 
>> 
>> JDK-8264728 : When use chinese IME, the candidate box isn't moved with caret 
>> of JTextArea
>> Type: Bug
>> Component: client-libs
>> Sub-Component: java.awt:i18n
>> Affected Version: 8,9,15,16
>> Priority: P3
>> Status: Open
>> Resolution: Unresolved
>> OS: linux
>> CPU: x86_64
>
> 柳鲲鹏 has updated the pull request with a new target base due to a merge or a 
> rebase. The incremental webrev excludes the unrelated changes brought in by 
> the merge/rebase. The pull request contains 11 additional commits since the 
> last revision:
> 
>  - Merge branch 'master' of https://github.com/openjdk/jdk into quantum6
>  - Merge branch 'master' of https://github.com/openjdk/jdk into quantum6
>  - Merge branch 'master' of https://github.com/openjdk/jdk into quantum6
>  - Merge branch 'master' of https://github.com/openjdk/jdk into quantum6
>  - Merge branch 'master' of https://github.com/openjdk/jdk into quantum6
>  - Update to lastest
>  - Merge branch 'master' of https://github.com/openjdk/jdk into quantum6
>  - Remove tab
>  - Update to latest and make code safer
>  - Merge branch 'master' of https://github.com/openjdk/jdk into quantum6
>  - ... and 1 more: https://git.openjdk.org/jdk/compare/4c28bcc5...0ab7a467

A few another issues with the current patch:
* On KDE the preedit popup isn't positioned correctly. Most likely this is 
because HiDPI settings aren't taken into account - I observed the issue with 
200% scale set (the used IM engine is _iBus_) ;
* Preedit text doesn't get discarded when a mouse click happens in a different 
place _of the same component_, e.g. in a multi-lined `JTextArea` ;
* The preedit popup isn't moved when the focused component is scrolled .

Also please don't forget to take a look at my question in 
https://github.com/openjdk/jdk/pull/13055#issuecomment-2100914601

-------------

Changes requested by onepatch...@github.com (no known OpenJDK username).

PR Review: https://git.openjdk.org/jdk/pull/13055#pullrequestreview-2578742908

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