https://bugs.kde.org/show_bug.cgi?id=498576
Bug ID: 498576
Summary: It is frustratingly hard to consistently trigger the
pinch to zoom
Classification: Plasma
Product: kwin
Version: git-stable-Plasma/6.2
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Gestures
Assignee: kwin-bugs-n...@kde.org
Reporter: kiwifr...@seibmoz.anonaddy.me
Target Milestone: ---
SUMMARY
I have an external touchpad with gesture support. When I try to use the pinch
to zoom, my fingers need to be at a 45-degree angle relative to each other for
it to trigger a pinch-to-zoom gesture.
It seems very sensitive to the exact angle, since trying to pinch to zoom
organically always ends up failing after 1 or 2 successful *pinches*.
STEPS TO REPRODUCE
1. Have a trackpad
2. Open up Gwenview or Firefox in the Wayland session
3. Try to pinch-to-zoom any image / webpage multiple times
4. Notice that it doesn't consistently zoom.
OBSERVED RESULT
Doing the same pinch to zoom gesture, at a slightly off angle, gives
inconsistent results. Sometimes it evens zooms out slightly when trying to
zoom! Other time, it registers the pinch-to-zoom as a scroll instead.
EXPECTED RESULT
I expect the pinch-to-zoom functionality to work pretty much as smoothly as
pinch-to-zoom in Android or iOS. Plasma's pinch-to-zoom is personally
challenging to consistently trigger.
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20250109
KDE Plasma Version: 6.2.5
KDE Frameworks Version: 6.9.0
Qt Version: 6.8.1
Kernel Version: 6.12.8-1-default (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7800X3D 8-Core Processor
Memory: 31.0 GiB of RAM
Graphics Processor: AMD Radeon RX 7900 XT
ADDITIONAL INFORMATION
The touchpad in question is an Apple Magic Trackpad Type-C version
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