https://bugs.kde.org/show_bug.cgi?id=502583
Bug ID: 502583
Summary: [Wayland] Scroll input is doubled in the same
direction
Classification: Plasma
Product: kwin
Version: 6.3.4
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: input
Assignee: kwin-bugs-n...@kde.org
Reporter: madness...@proton.me
CC: duha.b...@gmail.com
Target Milestone: ---
Created attachment 180104
--> https://bugs.kde.org/attachment.cgi?id=180104&action=edit
Showcase of the bug.
SUMMARY
I initially reported this on virt-viewer GitLab, but I'm unable to reproduce it
on Gnome. (https://gitlab.com/virt-viewer/virt-viewer/-/issues/161)
When scrolling in the virt-viewer, every second scroll input in the same
direction is doubled.
STEPS TO REPRODUCE
1. Create a Linux VM in virt-manager.
2. Open a web browser.
3. Scroll in the same direction.
OBSERVED RESULT
Every other scroll in the same direction, is doubled.
EXPECTED RESULT
It should only send one scroll input.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora 41
KDE Plasma Version: 6.3.4
KDE Frameworks Version: 6.12.0
Qt Version: 6.8.2
ADDITIONAL INFORMATION
This bug also affects connections to the VM using different clients, such as
Remmina. Oddly enough, Moonlight doesn't appear to be affected.
Workaround for this bug:
- Launch virt-manager/virt-viewer with GDK_BACKEND=x11.
- Use 'Redirect USB Device' for the mouse in virt-viewer, but this makes the
cursor invisible.
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