Touchpad tap

Hello, Guix Help! I am not able to use tap on my touchpad. Scroll is working, mouse motion is working, left and right buttons are working, but tap and double click are not working on my touchpad.

As described in the Internet need to use /etc/X11/xorg.conf.d/90-synaptics.conf.

But GuixSD has own filesystem structure, so there is no /etc/X11.

Here it is configuration file xorg.scm: https://git.savannah.gnu.org/cgit/guix.git/tree/gnu/packages/xorg.scm?id=v0.15.0-2564-g38a2f5eaf#n2564 https://git.savannah.gnu.org/cgit/guix.git/tree/gnu/packages/xorg.scm?id=v0.15.0-2564-g38a2f5eaf#n2564

I assume xorg configurations ought to be done. Please, how to write my config.scm?

Hi!

Consult the manual, "(guix) X Window". There is an example near the end:

The above example only details keyboard configuration. For your trackpad, have

a look at libinput's manpage.

Also https://wiki.archlinux.org/index.php/Libinputmay give you a good coverage

of the topic.

--

Pierre Neidhardt

On Sun, 28 Oct 2018 21:02:27 +0100

Pierre Neidhardt <mail@ambrevar.xyz> wrote:

I've been having the same problem on my Think Penguin laptop, and since

seeing this email, I've tried modifying my config.scm unsuccessfully.

I've run the reconfigure command and rebooted. Here is my services

field:

---BEGIN---

(services

(cons* (gnome-desktop-service) (console-keymap-service "dvorak")

(extra-special-file "/usr/bin/env" (file-append coreutils

"/bin/env")) (modify-services %desktop-services

(slim-service-type config =>

(slim-configuration

(inherit config)

(startx

(xorg-start-command

#:configuration-file

(xorg-configuration-file

#:extra-config

'(

"Section \"InputClass\"

Identifier \"keyboard-all\"

Option \"XkbLayout\" \"dvorak\"

MatchIsKeyboard \"on\"

EndSection

Section \"InputClass\"

Identifier \"touchpad-all\"

MatchIsTouchpad \"on\"

Option \"DisableWhileTyping\" \"on\"

Option \"Tapping\" \"on\"

EndSection"

))))))

(guix-service-type config =>

(guix-configuration

(inherit config)

(substitute-urls

(list

"https://berlin.guixsd.org"

"https://mirror.hydra.gnu.org"

"https://hydra.gnu.org")))))))

---END---

Neither DisableWhileTyping nor Tapping has any effect. I also set the

corresponding settings in Gnome Tweaks > Keyboard & Mouse > Touchpad.

If I need a Driver field or some specific Identifier, I haven't been

able to find a way to determine the correct info for those fields.

Luther

Luther,

Luther Thompson wrote:

[...]

Here's what I use:

Section \"InputClass\"

Identifier \"Touchpads\"

Driver \"libinput\"

MatchDevicePath \"/dev/input/event*\"

MatchIsTouchpad \"on\"

Option \"DisableWhileTyping\" \"on\"

Option \"MiddleEmulation\" \"on\"

Option \"ClickMethod\" \"clickfinger\"

Option \"Tapping\" \"on\"

Option \"TappingButtonMap\" \"lrm\"

Option \"TappingDrag\" \"on\"

Option \"ScrollMethod\" \"twofinger\"

Option \"NaturalScrolling\" \"true\"

EndSection

xinput(1) calls it an 'ETPS/2 Elantech Touchpad'.

Kind regards,

T G-R

On Mon, 29 Oct 2018 01:44:45 +0100

Tobias Geerinckx-Rice <me@tobias.gr> wrote:

Thanks, but I still can't get it to work. This is my current config:

Section \"InputClass\"

Identifier \"Touchpads\"

Driver \"libinput\"

MatchDevicePath \"/dev/input/event*\"

MatchIsTouchpad \"on\"

Option \"DisableWhileTyping\" \"on\"

Option \"Tapping\" \"on\"

EndSection

I've found from xinput that it's a 'SynPS/2 Synaptics TouchPad' at

device node /dev/input/event6. I can't find a way to confirm the driver

name.

Luther

If you want to force the libinput driver, it's way easier to just remove synaptics from the list of Xorg modules.

(set-xorg-configuration

(xorg-configuration

(keyboard-layout keyboard-layout)

(modules (filter (lambda (mod)

(not (eq? mod xf86-input-synaptics)))

%default-xorg-modules))))

Or if you don't want to do that, you can use synclient to configure the synaptics driver after it has already loaded. No need to fiddle with X11 config files.

It looks like this issue is probably the same as #35450, where Florian has identified the cause.

--

Alex Griffin

merge 33189 35450

feedback from a newcomer to Guix:

i suggest a higher priority for this bug, because it affects just about anyone who installs Guix on a laptop, and whose neurons are used to natural scrolling, and/or tap to click.

i have spent a couple of days annoyed until i got to resolve this issue finally (thank you Alex Griffin!).

- attila

PGP: 5D5F 45C7 DFCD 0A39

This one should now be fixed with:

2e55a4c6b9153fd1db60122cb29cee466693a753.

Thanks,

Mathieu