https://bugs.kde.org/show_bug.cgi?id=478311
Bug ID: 478311
Summary: The Wobbly Windows effect wrongly thinks the window
was dragged by mouse, when it is actually dragged by
touch
Classification: Plasma
Product: kwin
Version: 5.25.90
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Gestures
Assignee: kwin-bugs-n...@kde.org
Reporter: haochengho12...@gmail.com
Target Milestone: ---
Created attachment 164043
--> https://bugs.kde.org/attachment.cgi?id=164043&action=edit
Video showcasing the bug
SUMMARY
When Wobbly Windows is enabled and a window is dragged, the corner where the
mouse pointer is located will be skewed/wobbled the most, while the opposite
corner will remain mostly rigid. The first 10 seconds of the attached video
showcases the intended behaviour.
However, when I move a window by touch, it appears that Wobbly Windows thinks
this window-dragging originated from the mouse pointer. Starting from 00:13, I
am moving the top right corner of the window by touch, but the most skewed
corner is actually the top left corner because that's where the cursor is at.
STEPS TO REPRODUCE
1. Enable the "Wobbly Windows" effect.
2. Start dragging the window title by touch.
3. Feel the unnaturalness of the wobble effect.
OBSERVED RESULT
The Wobbly Windows effect never took touch-dragging into account.
EXPECTED RESULT
It should take touch-dragging of windows into account.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.90.0
KDE Frameworks Version: 5.246.0
Qt Version: 6.6.1
Kernel Version: 6.6.3-arch1-1 (64-bit)
Graphics Platform: Wayland
ADDITIONAL INFORMATION
Although I am on KDE Plasma 6.0 right now, this bug can actually be observed on
Plasma 5.x as well.
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