https://bugs.kde.org/show_bug.cgi?id=484960
Bug ID: 484960
Summary: After switching activities kwin gets confused about
window ordering
Classification: Plasma
Product: kwin
Version: 6.0.3
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: activities
Assignee: kwin-bugs-n...@kde.org
Reporter: zobal.ond...@gmail.com
Target Milestone: ---
Created attachment 168080
--> https://bugs.kde.org/attachment.cgi?id=168080&action=edit
Demonstration of the bad behaviour
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SUMMARY
After switching to a non-default activity and back, kwin looses track of
z-indexes of overlapping windows. A window will appear at the top and yet be
completely click-through with its inputs being captured by the window under it.
Focusing a different window will result in a nonsensical reordering of
z-indexes of overlapping windows. The only fix I found is restarting the
session.
STEPS TO REPRODUCE (as seen in attached video)
1. I demonstrate normal behaviour of selecting focusing windows on the default
activity (orange wallpaper)
2. I switch to an alternative activity (blue wallpaper) and demonstrate that
window focus still works well
3. I switch back to the default activity (orange wallpaper) and demonstrate
that windows are now no longer being focused properly.
OBSERVED RESULT
Windows at the top don't capture mouse input, cannot be clicked even when
clicking its window decoration, focused window often does not appear at the
top.
EXPECTED RESULT
Window at the top always captures mouseclicks and mouse hover.
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20240329
KDE Plasma Version: 6.0.3
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.3
Kernel Version: 6.8.1-1-default (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 5500U with Radeon Graphics
Memory: 15.0 GiB of RAM
Graphics Processor: AMD Radeon Graphics
Manufacturer: LENOVO
Product Name: 82HU
System Version: IdeaPad Flex 5 14ALC05
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