https://bugs.kde.org/show_bug.cgi?id=469763
Bug ID: 469763
Summary: Some GTK applications have a fuzzy mouse cursor with
activated scaling in Wayland
Classification: Plasma
Product: kwin
Version: 5.27.5
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: apri...@posteo.net
Target Milestone: ---
Some (can not say exactly the reason for it) applications (probably all GTK)
have a fuzzy looking mouse cursor when using scaling on the system in Wayland.
The programs are all running in native Wayland mode (verified with the KWin
debug console). I noticed it on some flatpaks installed via Discover, but the
problem also happens when I install them via the native package manager
(pacman).
STEPS TO REPRODUCE
1. Start a KWin Wayland session and activate scaling on the display (f.e. 200%
or 150%)
2. Install one or multiple of problematic GTK programs (f.e. as flatpak):
- Metadata Cleaner: https://flathub.org/apps/fr.romainvigier.MetadataCleaner
- Paper: https://flathub.org/apps/io.posidon.Paper
- Paper Clip: https://flathub.org/apps/io.github.diegoivan.pdf_metadata_editor
Note: Some GTK apps do NOT have this problem like:
https://flathub.org/apps/org.gnome.SimpleScan
3. Open the apps and hover with the cursor over them.
OBSERVED RESULT
The mouse cursor has fuzzy low resolution asymmetric edges
EXPECTED RESULT
The mouse cursor should look sharp
SOFTWARE/OS VERSIONS
Linux: 6.3.1-arch2-1 (64-bit)
KDE Plasma Version: 5.27.5
KDE Frameworks Version: 5.105.0
Qt Version: 5.15.9
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