https://bugs.kde.org/show_bug.cgi?id=466166
Bug ID: 466166
Summary: "Right-click" setting secretly affects middle-click
Classification: Applications
Product: systemsettings
Version: 5.27.0
Platform: Neon
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: kcm_touchpad
Assignee: plasma-b...@kde.org
Reporter: phil.h...@gmail.com
Target Milestone: ---
SUMMARY
Touchpad emulates a middle-click when pressing the bottom edge but there is no
clear way to turn this off in the settings.
MORE INFORMATION
The Touchpad > Right-click settings radio option has two choices for emulating
right click: "press bottom-right corner" and "press anywhere with two
fingers". It doesn't mention middle-click or "three fingers" clicking anywhere.
However, when the setting is on "bottom-right corner", the bottom middle edge
of the touchpad emulates a middle click, and when it is set to "two fingers"
mode, a three-fingers click on the touchpad emulates a middle click.
This middle-click emulation is not explained anywhere. When I upgraded to 5.27
recently, I started getting spurious middle clicks and could not understand why
(maybe that setting changing is a separate bug). I checked the settings and
could not find anything related to middle-clicking that wasn't already set the
way I expected. It wasn't until I noticed that the middle-clicks happened only
in specific areas of the touchpad that I thought to turn off "Right-click:
Bottom right corner" to solve this problem.
STEPS TO REPRODUCE
1. Change "Right click" setting to "bottom right corner"
2. Click the bottom middle edge of the touchpad
OBSERVED RESULT
Middle-click is set to system.
EXPECTED RESULT
Left-click is sent to system.
SOFTWARE/OS VERSIONS
Operating System: KDE neon 5.27
KDE Plasma Version: 5.27.0
KDE Frameworks Version: 5.103.0
Qt Version: 5.15.8
Kernel Version: 5.15.0-60-generic (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-10610U CPU @ 1.80GHz
Memory: 15.3 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics
Manufacturer: LENOVO
Product Name: 20UCS4TR00
System Version: ThinkPad X1 Yoga Gen 5
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