Debian 9 : tap to touch at login screen GDM

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Debian 9 : tap to touch at login screen GDM

Postby f.r3d » 2017-10-22 09:46

Hello everyone,

I'm having trouble configuring tap to touch at login screen GDM.
I looked at these documentations here and here, I created:
Code: Select all
frederic@frederic-laptop:/etc/X11/xorg.conf.d$ cat 30-touchpad.conf
Section "InputClass"
    Identifier "touchpad"
    Driver "libinput"
    MatchIsTouchpad "on"
   Option "Tapping" "on"
        Option "TapButton1" "1"
        Option "TapButton2" "3"
        Option "TapButton3" "2"
EndSection

Code: Select all
frederic@frederic-laptop:/etc/X11/xorg.conf.d$ cat 40-libinput.conf
Section "InputClass"
        Identifier "libinput touchpad catchall"
        MatchIsTouchpad "on"
        MatchDevicePath "/dev/input/event*"
        Driver "libinput"
        Option "Tapping" "on"
EndSection


But it does not work... What should I do? Thank you for your help!
Debian 9 Gnome 64bits
LDLC Aurore BB5-I3-8-S1 Slim (Clevo W55xEU)
Intel Core i3-3120M / Intel HD Graphics 4000 / RAM 8 Go / Samsung SSD 840 120Go
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Re: Debian 9 : tap to touch at login screen GDM

Postby debiman » 2017-10-24 15:41

these are Xorg, aka X server, settings.
i think technically Xorg is not yet started at the login manager.
what exactly do you need, and why do you need it so early?
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Re: Debian 9 : tap to touch at login screen GDM

Postby f.r3d » 2017-10-24 20:21

With Debian 8 these same settings worked perfectly but now it does not work so I wonder what changed between 8 and 9.
Debian 9 Gnome 64bits
LDLC Aurore BB5-I3-8-S1 Slim (Clevo W55xEU)
Intel Core i3-3120M / Intel HD Graphics 4000 / RAM 8 Go / Samsung SSD 840 120Go
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Re: Debian 9 : tap to touch at login screen GDM

Postby reinob » 2017-10-25 17:09

f.r3d wrote:
Code: Select all
frederic@frederic-laptop:/etc/X11/xorg.conf.d$ cat 30-touchpad.conf
Section "InputClass"
    Identifier "touchpad"
    Driver "libinput"
    MatchIsTouchpad "on"
   Option "Tapping" "on"
        Option "TapButton1" "1"
        Option "TapButton2" "3"
        Option "TapButton3" "2"
EndSection


AFAIK libinput does not have the TapButtonX options. Are you sure you want to use libinput instead of synaptics? (which does have those options).

If you want to use libinput then read the manual (man libinput) and have a look at the available options...
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Re: Debian 9 : tap to touch at login screen GDM

Postby f.r3d » 2017-10-26 09:22

Ok so I looked at the manual and here is the new file:
Code: Select all
frederic@frederic-laptop:~$ cat /etc/X11/xorg.conf.d/60-libinput.conf
Section "InputClass"
        Identifier "libinput touchpad catchall"
        MatchIsTouchpad "on"
        MatchDevicePath "/dev/input/event*"
        Driver "libinput"
   Option "Tapping" "true"
   Option "TappingButtonMap" "lrm"
   Option "ScrollMethod" "twofinger"   
EndSection

But it still does not work...
Debian 9 Gnome 64bits
LDLC Aurore BB5-I3-8-S1 Slim (Clevo W55xEU)
Intel Core i3-3120M / Intel HD Graphics 4000 / RAM 8 Go / Samsung SSD 840 120Go
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Re: Debian 9 : tap to touch at login screen GDM

Postby debiman » 2017-10-28 07:54

you still haven't tried using the synaptics driver instead of libinput.

and i think you need to move either file out of the way, otherwise they're both competing for the same hardware?
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Re: Debian 9 : tap to touch at login screen GDM

Postby f.r3d » 2017-10-28 12:48

I deleted the old files so no conflict here. I know that it would most probably work with the synaptics driver (it worked for me in Debian 8 ) but since Debian 9 replaced the synaptics driver with libinput, because libinput is meant to supplant synaptics in the near future, I might as well try to make it work with libinput.
Debian 9 Gnome 64bits
LDLC Aurore BB5-I3-8-S1 Slim (Clevo W55xEU)
Intel Core i3-3120M / Intel HD Graphics 4000 / RAM 8 Go / Samsung SSD 840 120Go
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