https://bugs.kde.org/show_bug.cgi?id=435403
Bug ID: 435403
Summary: Can't scroll while moving cursor in Chromium
Product: kwin
Version: 5.21.3
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: input
Assignee: kwin-bugs-n...@kde.org
Reporter: ja...@nerdonthestreet.com
Target Milestone: ---
SUMMARY
In Chromium-based browsers (including Chromium, Brave, and Vivaldi), scrolling
with the scrollbar on an external mouse only works while the mouse cursor is
not being moved.
In other words, if I'm moving the mouse at all, I cannot scroll at the same
time. If I'm already scrolling and I start to move the mouse, scrolling stops.
STEPS TO REPRODUCE
1. Open Chromium and navigate to a long page
2. Start moving the mouse
3. Attempt to scroll while still moving the mouse
OBSERVED RESULT
As long as the mouse is moving, scrolling does not occur.
EXPECTED RESULT
I should be able to scroll while moving the mouse in Chromium-based apps the
same as in all other apps.
SOFTWARE/OS VERSIONS
Linux: 5.10.27-1-lts
KDE Plasma Version: 5.21.3
KDE Frameworks Version: 5.80.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
- I've confirmed the issue happens in a brand new user account.
- I've confirmed the issue does not happen in a GNOME/Mutter Wayland session.
- This issue has never occurred in Plasma/KWin on X11.
- I'm using AMD graphics, the OpenGL 3.1 compositor, and libinput 1.17.1.
- The issue occurs whether I launch the session from SDDM or GDM.
- The issue does not occur with Falkon or Firefox.
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