/etc/X11/

50-synaptics.conf

# Touchpad

# This option enables the bottom right corner to be a right button on clickpads
# and the right and middle top areas to be right / middle buttons on clickpads
# with a top button area.
# This option is only interpreted by clickpads.
Section "InputClass"
        Identifier "Ignore clickpad buttons"
        MatchDriver "synaptics"
        Option "SoftButtonAreas" "0 0 0 0 0 0 0 0"
EndSection

Section "InputClass"
    Identifier "XPS13 settings"
    MatchDriver "synaptics"
    MatchProduct "DLL0665:01 06CB:76AD UNKNOWN"

    # Enables Palm Detection to prevent bad clicks
    Option "PalmDetect" "1"
    Option "PalmMinWidth" "8"
    Option "PalmMinZ" "100"

    # TapButton1 => (integer) configures which mouse-button is reported on a non-corner, one finger tap.
    # TapButton2 => (integer) configures which mouse-button is reported on a non-corner, two finger tap
    # TapButton3 => (integer) configures which mouse-button is reported on a non-corner, three finger tap
    Option "ClickPad" "true"
    Option "TapButton1" "1"
    Option "TapButton2" "3"
    Option "TapButton3" "2"

    Option "ClickFinger1" "1"
    Option "ClickFinger2" "3"
    Option "ClickFinger3" "2"

    # Disable right button
    Option "RBCornerButton" "1"

    # Prevents cursor to move when clicking with buttons
    Option "HorizHysteresis" "10"
    Option "VertHysteresis" "10"
    Option "VertTwoFingerScroll" "on"
    Option "HorizTwoFingerScroll" "on"
    Option "VertScrollDelta" "-27"
    Option "HorizScrollDelta" "-27"
    Option "CircularScrolling" "on"
    Option "CircScrollTrigger" "2"
    Option "EmulateTwoFingerMinZ" "40"
    Option "EmulateTwoFingerMinW" "8"
    #Option "CoastingSpeed" "0"
    Option "FingerLow" "35"
    Option "FingerHigh" "40"

    # Inertia
    Option "MinSpeed" "0"
    Option "ConstantDeceleration" "7"

    # Cursor speed
    Option "AccelFactor" "0.5"

EndSection