I just installed Kubuntu on my Dell XPS 15 9570. Everything is working fine, except for tap to click on the touchpad.
I can activate the option in the settings but this has no effect.
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After some additional searching I found the solution to my problem here
I had to add
Option "Tapping" "True" to the entry
MatchIsTouchpad in the file
/usr/share/X11/xorg.conf.d/40-libinput.conf. The exact name of the file might be different for other people.
In the end, the relevant section will look like something like this:
Section "InputClass" Identifier "libinput touchpad catchall" MatchIsTouchpad "on" Option "Tapping" "True" MatchDevicePath "/dev/input/event*" Driver "libinput" EndSection
You need to be root to edit the file and reboot your system after the changes!
You can hit
ALT+F2 and search for "Touchpad" under "System settings".
When you get to it, you'll need to set "Tap-to-click" option.
Additionally, you may want to set "Invert scroll direction (Natural scrolling)", which changes how your two finger scrolling works.
For both these options, you can hit "Apply" and see immediately if it suits you. Enjoy!
IMHO Symlinking the 40-libinput.conf is a better approach. See the Arch Linux libinput wiki.
It works great for me on my Dell Inspiron 7390 with Arch Linux Gnome and Kubuntu 21.04 dual boot. I can also confirm that tap to click works on both Arch Linux gdm and Kubuntu sddm.
sudo ln -sv /usr/share/X11/xorg.conf.d/40-libinput.conf /etc/X11/xorg.conf.d/40-libinput.conf
/usr/share/X11/xorg.conf.d/40-libinput.conf touchpad section looks as follows
Section "InputClass" Identifier "libinput touchpad catchall" MatchIsTouchpad "on" MatchDevicePath "/dev/input/event*" Driver "libinput" Option "Tapping" "on" #added Option "NaturalScrolling" "on" #added EndSection
This is a minor update, but as it touches on more than one point it's worth a post instead of a comment on a post.
As noted, editing the
/usr/share/X11/xorg.conf.d/40-libinput.conf file works well. However, one does not need to reboot after. One only needs to log out and log in as this causes an X11 restart, saving time. Also, if you have other logged in users, this prevents interruption to their work.
My process worked like this:
Open and edit the file from a terminal using:
sudo vim /usr/share/X11/xorg.conf.d/40-libinput.conf
such that my file looks like this.*:
Section "InputClass" Identifier "libinput touchpad catchall" MatchIsTouchpad "on" # added Tapping entry on Oct 22 2021 per # https://askubuntu.com/questions/1179275/enable-tap-to-click-kubuntu Option "Tapping" MatchDevicePath "/dev/input/event*" Driver "libinput" EndSection