https://bugs.kde.org/show_bug.cgi?id=448230
Bug ID: 448230
Summary: Wayland regression: "2-finger-scroll" exclusive or
"side-scroll/edge-scroll" (X11 allows both
interchangeably)
Product: systemsettings
Version: 5.22.5
Platform: Other
OS: Other
Status: REPORTED
Severity: normal
Priority: NOR
Component: kcm_touchpad
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 145306
--> https://bugs.kde.org/attachment.cgi?id=145306&action=edit
X11 settings
SUMMARY
I use "2-finger-scroll" and "edge-scroll" interchangeably in X11. But I cannot
in Wayland
STEPS TO REPRODUCE
1. Look at the respective settingspanels in screenshots
OBSERVED RESULT
Exclusive Or enforced by GUI in Wayland.
EXPECTED RESULT
X11 allows free choice.
SOFTWARE/OS VERSIONS
Operating System: Kubuntu 21.10
KDE Plasma Version: 5.22.5
KDE Frameworks Version: 5.86.0
Qt Version: 5.15.2
Kernel Version: 5.13.0-23-generic (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-4700MQ CPU @ 2.40GHz
Memory: 15.5 GiB of RAM
Graphics Processor: Mesa DRI Intel® HD Graphics 4600
ADDITIONAL INFORMATION
My touchpad is fine to support both for years now. 2-finger has the "advantage"
of allowing diagonal movement impossible with edge-scroll. But edge-scroll
allows for precisely keeping the vertical / horizontal position with pixel
perfect precision.
E.g. enlarge a PDF, so the lines stretch the window (especially pages with
tiny-print multi-column text). Using 2-Finger, you will find yourself
constantly cutting off either the first or the last few letters, because you
inadvertently mixed a horizontal scroll-step in there. This is the perfect
scenario for edge-scroll.
E.g. open a map and follow a diagonal road off screen. This is perfect of
two-finger-scroll, as with edge-scroll you need to alternate between horizontal
and vertical portions of the way.
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