https://bugs.kde.org/show_bug.cgi?id=453612
Bug ID: 453612
Summary: Wayland touchpad - tap-to-click impossible to enable
unless.. (includes solution)
Product: systemsettings
Version: 5.23.5
Platform: Other
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: kcm_touchpad
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
It was marked as major, as this might be a showstopper for many. They might
change their mind about using KDE/Wayland if they have to left click the mouse
and cannot enable tapping on the touchpad. This brings back poor memories of
double clicking in Windows and painful wrists. Furthermore, what prevents the
enabling of tap-to-click is such a tiny thing, that it would be a major issue
not to change it.
SUMMARY
In system-settings -> input devices, clicking/enabling "Tap-to-click" there is
a bug when clicking "apply". It simply refuses to apply the setting and the
apply button is never grayed out. In fact, it is not possible to apply the
setting.
(Elan touchpad)
This was tested on a default Slackware 15.0 installation (with minor user
modifications). Sadly I can't guarantee that it is possible to reproduce only
in the "system settings", because I also made major changes to libinput config
files in /usr/share/X11/xorg.conf.d/(libinput,evdev) and added "libinput" to
/etc/X11/xorg.conf.d/
However, I think those config files had no impact on the outcome.
STEPS TO REPRODUCE
1. dbus-launch startplasma-wayland
2. go to "system settings" -> "input devices" -> "touchpad"
3. select "Tap-to-click" and try to "apply"
4. "applying" is not possible
EXPECTED RESULT
The setting should be applied as expected, and it should be possible to use
tap-to-click after.
OBSERVED RESULT
It is not possible to apply the setting.
SOLUTION
When selecting "Tap-to-click", another suboption "Tap-and-drag" is
automatically selected. If you deselect this option it is possible to enable
"Tap-to-click" and apply the setting as expected. Tap-to-click works after
applying the setting.
Please remove the selection of "Tap-and-drag" as a default option when enabling
"Tap-to-click". Surely a user who additionally want "Tap-and-drag" can select
this option..
SOFTWARE/OS VERSIONS
Slackware 15.0 and applicable KDE/Plasma versions (5.23.5?)
ADDITIONAL INFORMATION
Thank you!
KDE is sweet!
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