https://bugs.kde.org/show_bug.cgi?id=467630
Bug ID: 467630
Summary: Graphical glitching with quick tiling and wobbly
windows
Classification: Plasma
Product: kwin
Version: 5.27.3
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Quick Tiling
Assignee: kwin-bugs-n...@kde.org
Reporter: treesh...@mailbox.org
Target Milestone: ---
Created attachment 157474
--> https://bugs.kde.org/attachment.cgi?id=157474&action=edit
quick tiled wobbly window
SUMMARY
When mouse dragging a window that has been quarter/quick tiled the window
quickly snaps to the position it had before being tiled and then snaps back to
the position of the cursor, creating a fluttering movement.
STEPS TO REPRODUCE
1. Have the wobbly windows desktop effect and quarter tiling on screen edges
enabled.
2. Open any kind of window, e.g. Konsole.
3. Position the window free floating somewhere far away from a screen corner.
4. Drag the window to a corner with the mouse, thereby quarter tiling it.
5. Drag the window from the corner with the mouse.
OBSERVED RESULT
When leaving the corner the window quickly snaps to the position it had before
being tiled and then snaps back to the position of the cursor.
EXPECTED RESULT
The window doesn't snap or leaves the cursor, the window moves smoothly from
the corner along with the cursor.
ADDITIONAL INFORMATION
This is reproducible most of the time but not 100%. Tested on X11/Wayland with
Arch/OpenSUSE. The effect becomes more visible and maybe more frequent by
increasing the distance from the original window position to the corner tile.
Attached video shows problem.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.27.3
KDE Frameworks Version: 5.104.0
Qt Version: 5.15.8
Graphics Platform: X11
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