Created attachment 1864184 [details] Video showing that the lookup table usually pops up far away from the cursor positon in gedit, kwrite, konsole, LibreOfficeWriter Fedora-Workstation-Live-x86_64-36-20220216.n.0.iso installed in qemu-kvm with all current updates. The ibus lookup table appears at weird positions far away from the cursor almost always on Plasma (Wayland). I tested: - gedit - kwrite - konsole - LibreOffice writer - xterm For xterm the lookup table appears where it should, close to the cursor position. For the others the lookup table almost always appears far away from the cursor position. See attached video.
Created attachment 1864185 [details] Screenshot from Plasma(Xorg) showing wrong position of lookup table using konsole This screenshot shows that the position of the lookup table is sometimes badly positioned on Plasma(Xorg) as well, although this seems rare. I could reproduce such a bad positioning on Plasma(Xorg) only using konsole and even with konsole it happens rarely and seems to depend on where exactly I place the konsole window. On Plasma(Wayland) the positioning is almost always wrong, except when using xterm.
Theorically this could not be fixed in IBus side in Wayland since the display coordinate is mamanged by Wayland compositor. You could also see the same issue in GNOME Wayland with ibus module instead of wayland module. Closing this as duplicated of bug #2054719 until we get better idea. *** This bug has been marked as a duplicate of bug 2054719 ***
Ah, ok. We may enhance the issue using Xorg coordinate a little to follow the change of IBus GTK IM module if Xwayland is available.
(In reply to fujiwara from comment #2) > Theorically this could not be fixed in IBus side in Wayland since the > display coordinate is mamanged by Wayland compositor. > You could also see the same issue in GNOME Wayland with ibus module instead > of wayland module. With upstream patches https://codereview.qt-project.org/c/qt/qtbase/+/445920 and https://codereview.qt-project.org/c/qt/qtbase/+/447069 applied to Qt, Qt applications running in native Wayland backend now work properly in GNOME Wayland environment using ibus im-module, showing the window at the correct position. They previously also had this issue, see https://bugzilla.redhat.com/show_bug.cgi?id=2061664. I don't know if the patches would also fix the issue in Plasma Wayland environment.
Created attachment 1945679 [details] IBus showing the lookup table at correct position for Qt apps in GNOME Wayland, after applying Qt upstream patches
(In reply to vtq from comment #4) > (In reply to fujiwara from comment #2) > > Theorically this could not be fixed in IBus side in Wayland since the > > display coordinate is mamanged by Wayland compositor. > > You could also see the same issue in GNOME Wayland with ibus module instead > > of wayland module. > > With upstream patches https://codereview.qt-project.org/c/qt/qtbase/+/445920 > and https://codereview.qt-project.org/c/qt/qtbase/+/447069 applied to Qt, Qt > applications running in native Wayland backend now work properly in GNOME > Wayland environment using ibus im-module, showing the window at the correct > position. They previously also had this issue, see > https://bugzilla.redhat.com/show_bug.cgi?id=2061664. > > I don't know if the patches would also fix the issue in Plasma Wayland > environment. No, your patch is not relative with this issue and this is not a simple scaling issue likes GNOME. I'm working on this issue.
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Now IBus panel implements Wayland input-method which can put the candidate popup window with the right position in Plasma Wayland in Fedora 39. https://fedoraproject.org/wiki/Changes/IBus_1.5.29#Setup