https://bugs.kde.org/show_bug.cgi?id=459121
Bug ID: 459121
Summary: Chromium wayland mouse issues when using multiple
monitors with different scaling
Product: kwin
Version: 5.25.5
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: andresdor...@gmail.com
Target Milestone: ---
SUMMARY
***
Any chromium-based browser( tried chromium and Vivaldi) has broken mouse
support where the mouse pointer does not correspond with what's actually being
selected in the browser
for example, if you have a link in the middle of the page, moving the cursor
over the link and click while actually clicking somewhere else in the webpage
(or browser interface so its not web page specific)
this happens when using multiple monitors with different scaling
***
STEPS TO REPRODUCE
1. Setup two displays with different scaling in the display settings
2. start any chromium browser with `--enable-features=UseOzonePlatform
--ozone-platform=wayland`
3. notice that the mouse cursor becomes smaller and does not align with the
browser window
OBSERVED RESULT
mouse cursor becomes smaller and does not align with the browser window
EXPECTED RESULT
mouse cursor does not become smaller and does align with the browser window
SOFTWARE/OS VERSIONS
Operating System: Garuda Linux
KDE Plasma Version: 5.25.5
KDE Frameworks Version: 5.98.0
Qt Version: 5.15.6
Kernel-Version: 5.19.8-269-tkg-bmq (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 5600X 6-Core Processor
Memory: 31.3 GiB of RAM
Graphics Processor: AMD Radeon RX 6700 XT
ADDITIONAL INFORMATION
Does not happen in firefox based browsers and does not seem reproducible in
other DE
reported here
https://forum.garudalinux.org/t/chromium-wayland-mouse-issues/22788/1
and here
https://bugs.chromium.org/p/chromium/issues/detail?id=1350024&can=2&q=wayland+component%3ABlink%3EInput
as well as here
https://forum.vivaldi.net/topic/79262/wayland-broken-mouse-cursor-since-a-few-versions-ago/4?_=1663179860256
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