On Thu, Mar 21, 2024 at 11:31:35AM GMT, Allan Chain wrote: > Hello, LyX developers! > > I'm trying out LyX 2.4.0-rc3 (qt6) on KDE6+Wayland, and I'm using fcitx5 to > input CJK characters. I found that the candidate window of the input method > is always on the top left corner of the window, regardless of the cursor > position. I think it's a regression since 2.3.7 does not have such problem. > > After looking into the source code, I found that the position hint > (Qt::ImCursorRectangle) is only updated when preedit is enabled. Although > enabling preedit eases the problem, the experience is still not very smooth. > Specifically, when the position of the cursor is changed, for example by > clicking, the position hint for the candidate window is not immediately > updated, and thus the candidate window pops up in a wrong position. Only > after some keystrokes triggering preedit event that the position of the > candidate window is correctly updated. > > I'm not familiar with LyX codebase, but in my opinion, a better solution is > to update the position hint for the input method every time the cursor > position changes. > > I'm happy to provide more information to help fixing this.
Hi Allan, Thanks a lot for reaching out to the list! I don't know anything about this code, but I did want to bump this email thread so maybe someone more knowledgeable has an idea. One question though: are you sure it's a regression in the LyX code? Could it be differences in the Qt library that the binaries use that is the real reason, or are the Qt versions the same? Scott
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