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The touchpad on my laptop is a poor design, because it doesn't recede down into its housing to avoid my thenar and hypothenar's proclivity for inadvertent tap-to-clicks.

In Ubuntu 19.10, using this same laptop, I was able to toggle off "Tap to Click", as shown here.

However, in Kubuntu 20.04, this option is grayed out (disabled), and cannot be Toggled:

enter image description here

Is there another way that I might disable Tap-to-Click, given that the GUI isn't offering the ability to toggle this setting?

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  • 2
    bug 420762
    – Lonnie Best
    Apr 29, 2020 at 17:24
  • I have the same issue. Dell XPS9360 running Kubuntu 20.04. I see you filed a bug on this here. You added a comment to you bug report that there is a workaround but that just links back to this page where I do not see any mention of a workaround. Am I missing something? Thanks.
    – Rob O'Doherty
    May 3, 2020 at 11:45
  • @rodoherty1 : No, you're not missing anything. I anticipated someone here would have provided a workaround quickly, but it hasn't happened yet. Sorry for the confusion; you can't edit bug comments at KDE.
    – Lonnie Best
    May 4, 2020 at 3:51
  • 2
    @Vince I just took a look at my Tap-to-click settings, and I too was unable to toggle that check box due to it being disabled. I enabled the ability to toggle it in an unusual way. Basically, I click the "Default" button on the bottom-left, but I did NOT apply it. Instead, I exited out of the Touchpad settings window. Upon doing that it ask me if I wanted to save the changes I made, and clicked "Discard". After that, I went back into the touchpad settings again (from a freshly launched window) and for some reason the "Tap-to-click" became toggleable.
    – Lonnie Best
    Oct 7, 2020 at 4:12
  • 1
    See comment 5. @Vince
    – Lonnie Best
    Oct 7, 2020 at 4:36

4 Answers 4

Reset to default
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Referance: https://askubuntu.com/questions/1179275/enable-tap-to-click-kubuntu

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!

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  • 1
    This is not Kubuntu specific, seen and fixed it in Fedora.
    – cipricus
    Mar 23, 2021 at 12:22
  • This did not work for me, using Kubuntu 22.04, trying to disable tap to click via setting False and rebooting... no change observed
    – Erik
    Jul 6, 2022 at 7:26
  • Still works in 2023) Thanks
    – chill appreciator
    Sep 1 at 23:36
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I had this same issue on a Razer Blade 15 (mid-2021) running Kubuntu 20.04 LTS.

The fix for me was to install the synaptics touchpad driver.

sudo apt update
sudo apt install xserver-xorg-input-synaptics

Reboot

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  • For Ubuntu based distributions the right answer. In KDE Neon (22.04LTS) it activates tap-to-click by default and the Touchpad settings page is totally renewed with many more settings.
    – ñull
    Dec 15, 2022 at 12:55
4

Currently, June 2022, using Arch Linux with KDE/Plasma desktop environment, to solve the issue simply install the generic driver for X.Org, based on libinput, and reboot the system:

sudo pacman -S xf86-input-libinput

Or the specific Synaptics driver:

sudo pacman -S xf86-input-synaptics

EDIT: On october 2022 I've realized that the above did not work anymore on Arch Linux with KDE/Plasma. Consider also that xf86-input-synaptics is no longer actively updated (See https://wiki.archlinux.org/title/Touchpad_Synaptics) and it is advised to use libinput instead.

Installing both the libinput and the libinput-gestures (this is from AUR) packages on Arch Linux, definetely solved the issue:

Install the former with:

sudo pacman -S libinput

and the latter with an AUR helper:

yay -S libinput-gestures
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2

My reputation does not allow me to comment to the answer by @Dimutha, so posting as an answer:

follow the instructions from this answer, but use

        Option "Tapping" "on"

i.e., use "on" instead of "True".

I'm running plasmashell 5.24.6, KDE Framework 5.92.0, Ubuntu 22.04.

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