New subject: [Bug 54991] Chinese IME no longer works in Naver LINE since Wine 8.9

30 May 2023


      https://bugs.winehq.org/show_bug.cgi?id=54991
Bug ID: 54991
           Summary: Chinese IME no longer works in Naver LINE since Wine
                    8.9
           Product: Wine
           Version: 8.9
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: winex11.drv
          Assignee: wine-bugs@winehq.org
          Reporter: pq2sx44teeigl7za@chyen.cc
      Distribution: ---
Since Wine 8.9, I can no longer use fcitx5-chewing IME to enter Chinese
characters into Naver LINE. When I'm compositing some characters, IME seems
fine (the preedit window shows current characters), but when I hit enter to
commit current characters, nothing goes into Naver LINE.
Steps to reproduce:
1. Download and install Naver LINE from
https://desktop.line-scdn.net/win/new/LineInst.exe
2. In the login window, try to enter Chinese into the email field. For example,
with fcitx5-chewing, I can hit "5", "j", "/" and " " (space) to get "中" (or
another Chinese character with the same pronunciation).
3. Hit Enter to commit the preedit string "中"
With Wine 8.8, "中" appears in the email field, while in Wine 8.9, the email
field remains empty.
git bisect indicates that
https://gitlab.winehq.org/wine/wine/-/commit/b9bfd74acc0992ef56f814b60e831cb...
(part of https://gitlab.winehq.org/wine/wine/-/merge_requests/2637) is the
first bad commit.
With Wine 8.9, fcitx5-chewing still works fine with Wine Notepad and trivial
Qt5/Qt6 applications. I wonder if Naver LINE uses some special tricks and thus
it is incompatible with the approach taken in the aforementioned merge request.
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[Bug 54991] New: Chinese IME no longer works in Naver LINE since Wine 8.9