https://bugs.kde.org/show_bug.cgi?id=525493
Bug ID: 525493
Summary: Proton 10+ games can't accept window focus
Classification: Plasma
Product: kwin
Version First 6.7.5
Reported In:
Platform: EndeavourOS
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
DESCRIPTION
STEPS TO REPRODUCE
1. Run Windows game via Proton 10 or newer
OBSERVED RESULT
The game doesn't accept window focus. The result is that previously focused
windows will still actively read all keyboard inputs, and games set to
exclusive fullscreen can't grab and lock the mouse (which causes problems
specifically in multi monitor setups).
EXPECTED RESULT
The game accepts window focus. No other window receives keyboard inputs and
games set to exclusive fullscreen are able to lock the mouse to their window.
SOFTWARE/OS VERSIONS
Operating System: EndeavourOS
Kernel: Linux 7.2.4-arch1-2
KDE Plasma Version: 6.7.5
KDE Frameworks Version: 6.30.0
Qt Version: 6.11.2
ADDITIONAL INFORMATION
I only started seeing this bug this week, and it seems to coincide with the
release of Plasma 6.7.5. What I find especially confusing about this is that
this only happens with Proton 10 and newer. When I set a Steam game to use
Proton 9.0-4 or a game played via the Heroic launcher to use GE-Proton9-27, the
games work just fine and accept Window focus as expected. The issue appears
only when I switch to Proton 10.0-4 in Steam or GE-Proton10-1in Heroic, or any
newer Proton version.
I don't actually know whether kwin is the culprit, but it can't be Proton in
isolation, since I have been playing games with Proton and Wayland just fine
for months.
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