https://bugs.kde.org/show_bug.cgi?id=459618
Bug ID: 459618
Summary: Accept-focus passes through clicks to inactive windows
Classification: Plasma
Product: kwin
Version: 5.25.5
Platform: NixOS
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: rules
Assignee: kwin-bugs-n...@kde.org
Reporter: o...@protonmail.com
CC: isma...@gmail.com
Target Milestone: ---
SUMMARY
***
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***
Specifically, windows with the accept-focus property set to false, and which
are inactive, still receive mouse events. More generally, I am unable to use
window rules to prevent a window from receiving any mouse events. The overall
task I am trying to accomplish is to have a window with transparency overlaid
on top of another window (with the "keep above others" window option), and be
able to use the lower window without interacting with the semi-transparent
window above it. This is useful for cases where there is not much screen
real-estate but where you want to do several things at once, e.g. draw from a
reference or watch a video while doing something else.
STEPS TO REPRODUCE
1. Set a window rule to force accept-focus to false.
2. Click on the window.
OBSERVED RESULT
The window received a mouse event even though it was not focused.
EXPECTED RESULT
The window did not receive a mouse event.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: NixOS 22.11
KDE Plasma Version: 5.25.5
KDE Frameworks Version: 5.98.0
Qt Version: 5.15.5
ADDITIONAL INFORMATION
I am using Plasma under Wayland. I have confirmed that this happens with native
Wayland windows as well as Xwayland windows.
This bug seems related to https://bugs.kde.org/show_bug.cgi?id=283474 - that
patch may have made it so that there is no longer a way to prevent a window
from receiving click events.
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