https://bugs.kde.org/show_bug.cgi?id=457050
Bug ID: 457050
Summary: Invoke «Peek at Desktop» effect repeatedly may cause
desync
Product: kwin
Version: git master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: effects-window-management
Assignee: kwin-bugs-n...@kde.org
Reporter: m...@ratijas.tk
Target Milestone: ---
Created attachment 150854
--> https://bugs.kde.org/attachment.cgi?id=150854&action=edit
KWin - Peek at Desktop - desync
SUMMARY
Invoke «Peek at Desktop» effect repeatedly may cause desync between its
reported state and actual window positions. And when that happens (like, it's
reported to be active, but all windows are in place), activating it again would
make windows jump away to the edges of the screen and then animating back to
their positions normally.
STEPS TO REPRODUCE
0. Ensure there is a «Peek at Desktop» applet on your panel.
1. Keep pressing the shortcut for «Peek at Desktop», in my case it's Ctrl+F12
(for Shortcuts -> Plasma -> «Show Desktop» action in System Settings).
OBSERVED RESULT
«Peek at Desktop» applet has a focus line over it, indicating that the effect
is active, but windows are on screen.
EXPECTED RESULT
KWin should ensure windows are animating to their proper destination even if
the previous animation got interrupted.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE: git master
Qt Version: 5.15.5
Kernel Version: 5.18.12-arch1-1 (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-6700HQ CPU @ 2.60GHz
Memory: 15.6 GiB of RAM
Graphics Processor: NVIDIA GeForce GTX 970M/PCIe/SSE2
Manufacturer: ASUSTeK COMPUTER INC.
Product Name: G752VT
System Version: 1.0
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