How enable touchpad tap (tap to click) on login screen? (XFCE4)

How enable laptop touchpad tap (tap to click) on login screen?

I found something just for Gnome.
randomblog hu enabling-numlock-and-tap-to-click-on-the-login-screen-of-zorin-os-and-ubuntu/

Numlock on login screen already done.
wiki archlinux org LightDM#NumLock_on_by_default

Maybe have look here:


I’m beginner linux user ( beginner/intermediary windows user).

I’m reading the site.

cat /proc/bus/input/devices
show this about touchpad:

I: Bus=0018 Vendor=06cb Product=ce2d Version=0100
N: Name="MSFT0001:01 06CB:CE2D Touchpad"
P: Phys=i2c-MSFT0001:01
S: Sysfs=/devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-0/i2c-MSFT0001:01/0018:06CB:CE2D.0001/input/input11
U: Uniq=
H: Handlers=event8 mouse1 
B: EV=1b
B: KEY=e520 10000 0 0 0 0
B: ABS=2e0800000000003
B: MSC=20

xinput list not work

"/etc/X11/xorg.conf.d " folder have only “00-keyboard.conf” file.

sudo libinput list-devices
show this about touchpad:

Device:           MSFT0001:01 06CB:CE2D Touchpad
Kernel:           /dev/input/event8
Group:            6
Seat:             seat0, default
Size:             102x67mm
Capabilities:     pointer gesture
Tap-to-click:     disabled
Tap-and-drag:     enabled
Tap drag lock:    disabled
Left-handed:      disabled
Nat.scrolling:    disabled
Middle emulation: disabled
Calibration:      n/a
Scroll methods:   *two-finger edge 
Click methods:    *button-areas clickfinger 
Disable-w-typing: enabled
Disable-w-trackpointing: enabled
Accel profiles:   flat *adaptive
Rotation:         n/a

Just to make this more clear to me:
do you mean it works as you would like it in Xfce4 when you are logged in
but not on the login screen?

I have a Sony Vajo SVE14 - with a touchpad which has got no buttons
but I can use it like it has two buttons bottom right and bottom left
… not tap, but actually push and click …

As you see button-areas is enabled (note the asterisk * there).

Maybe that gives you an idea: Clickpad software button behavior — libinput 1.21.0 documentation

Have look at this to change the behavior:

After login screen:

  • Click works.
  • Tap works (just toching simulating left mouse button)

On login screen (hibernate, reboot, logout, suspend):

  • click works
    tap not works

looks like I solved.

Edit 40-libinput.conf file

added line: Option “Tapping” “on”

Section "InputClass"
        Identifier "libinput touchpad catchall"
        MatchIsTouchpad "on"
        MatchDevicePath "/dev/input/event*"
        Driver "libinput"
	Option "Tapping" "on"

I don’t know about side effects. So WARNING/CAUTION

It is safe? This resolution? Do you approve? Have best way? (right way)

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