https://bugs.kde.org/show_bug.cgi?id=511679
Bug ID: 511679
Summary: Keyboard input broken for most spin boxes in MuseScore
Studio under xwayland
Classification: Plasma
Product: kwin
Version First 6.5.1
Reported In:
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: xwayland
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
Most of the spin boxes in MuseScore Studio will not accept keyboard input when
run within a Plasma Wayland session. Xorg sessions work fine. This includes
setting the initial number of measures when creating a new score, and all of
the spin boxes under "Appearance" settings for any element. Only mouse
interaction with the up and down spinner buttons can change the values. The
only spin boxes that seem to accept keyboard input are those in options found
in the menu, such as "Preferences", "Style", "Page Settings".
This bug does not happen in GNOME Wayland, and appears to be an issue with how
Plasma's xwayland sends/blocks keyboard events.
I am experiencing this bug using the latest official MuseScore Studio AppImage
(4.6.3) and Flatpak (4.6.3) in Fedora 43 with Plasma 6.5.1.
STEPS TO REPRODUCE
1. Start MuseScore Studio.
2. Create a new score.
3. On the second page of the new score wizard where you can set initial number
of measures, click on "32 measures, no pickup" and highlight "32" under
"Initial number of measures".
4. Attempt to type in a new number of measures.
OBSERVED RESULT
Nothing happens. The backspace key can delete the selected number, but any
numbers typed on the keyboard do not appear. This bug can also be reproduced by
attempting to edit any of the appearance settings for a notation element (e.g.,
click a note or whatever, go to the "Properties" tab on the left side of the
screen, then click "Appearance"). Unfortunately, this makes many fine
positional adjustments impossible as the spinner buttons often only allow large
jumps in position.
EXPECTED RESULT
It should be possible to type into the spinner boxes.
WORKAROUND
1. Go into System Settings, then select "Application Permissions" (under
"Security & Privacy") → "Legacy X11 App Support".
2. Under "Listening for keystrokes", select "Always allowed". (The default is
"As above, plus any key pressed...").
You will be warned that "...using this setting will reduce system security and
permit malicious software to steal passwords and spy on the text that you type.
Make sure you understand and accept this risk."
After changing this setting, all keyboard input works as expected in MuseScore
Studio.
SOFTWARE/OS VERSIONS
Linux: Fedora Linux 43
KDE Plasma Version: 6.5.1
KDE Frameworks Version: 6.19.0
Qt Version: 6.10.0
ADDITIONAL INFORMATION
Relevent MuseScore bug report:
https://github.com/musescore/MuseScore/issues/28866
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