https://bugs.kde.org/show_bug.cgi?id=447228
Bug ID: 447228
Summary: Mouse scrolling (at least in KDE applications
scrollbar menus) does not work under x11 when moving
mouse cursor at same time
Product: plasmashell
Version: 5.23.4
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: blood...@gmail.com
CC: plasma-b...@kde.org
Target Milestone: 1.0
SUMMARY
***
When trying to scroll down or up while moving mouse within scrollable content -
scrolling does not work under x11. Under wayland seems to work fine. Tested
with KDE Neon 5.23, Kubuntu 21.10 and Opensuse Tumbleweed
***
STEPS TO REPRODUCE
1. Open system settings or folder with lots of files in dolphin etc. under x11
session
2. Dynamically move mouse cursor in whatever pattern - up/down, circles etc.
and use mouse wheel at same time, staying within bounds of scrollable content
3. See mouse wheel not doing anything until cursor movement is stopped
OBSERVED RESULT
Content not scrolling while moving mouse
EXPECTED RESULT
Content scrolling in addition to cursor movement
SOFTWARE/OS VERSIONS
Operating System: KDE neon 5.23, Kubuntu 21.10, Opensuse Tumbleweed
KDE Plasma Version: 5.23.4, 5.22.5
KDE Frameworks Version: 5.89.0, 5.86
Qt Version: 5.15.3, 5.15.2
ADDITIONAL INFORMATION
Tested systems were vmware virtual machines under windows host. Bug does not
depend on mouse polling rate (tested with multiple).
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