dt13.xinput

# this file should run at start of X session
# like put in /etc/X11/Xsession.d/96dt13-xinput
# to run touchpad and trackpoint speed

# run in sub shell, prevent variable pollute
(
    max_speed=1.0
    xinput_id() {
        local name
        name="$1"
        xinput --list --short | \
            grep -i $name | \
            sed -E 's/^.*id=([[:digit:]]*).*?/\1/'
    }
    xinput_prop_id() {
        local device name
        device="$1"
        prop="$2"
        xinput --list-props $device | \
            grep --max-count 1 "$prop" | \
            sed -E "s/^.*$prop \(([[:digit:]]+)\).*/\1/"
    }

    touchpad=$(xinput_id touchpad)
    tap=$(xinput_prop_id $touchpad 'Tapping Enabled')
    xinput --set-prop $touchpad $tap 1

    speed=$(xinput_prop_id $touchpad 'Accel Speed')
    xinput --set-prop $touchpad $speed $max_speed


    trackpoint=$(xinput_id trackpoint)
    xinput --set-prop $trackpoint $speed $max_speed

)