/etc/X11/xorg.conf.d/50-synaptics.conf

Section "InputClass"
       Identifier "touchpad"
       Driver "synaptics"
       MatchIsTouchpad "on"
               Option "TapButton1" "1"
               Option "TapButton2" "2"
               Option "TapButton3" "3"
               Option "VertEdgeScroll" "off"
               Option "VertTwoFingerScroll" "on"
               Option "HorizEdgeScroll" "off"
               Option "HorizTwoFingerScroll" "on"
               Option "CircularScrolling" "off"
               Option "CircScrollTrigger" "2"
               Option "EmulateTwoFingerMinZ" "40"
               Option "EmulateTwoFingerMinW" "8"
               #Option "EmulateTwoFingerMinZ" "282"
               #Option "EmulateTwoFingerMinW" "7"
               Option "CoastingSpeed" "0"
               #Option "CoastingSpeed" "5"
               Option "CoastingFriction" "15"
               Option "LeftEdge" "1768"
               Option "RightEdge" "5406"
               Option "TopEdge" "1640"
               Option "BottomEdge" "4498"
               Option "FingerLow" "35"
               Option "FingerHigh" "45"
               Option "MaxTapTime" "120"
               Option "MaxTapMove" "300"
               Option "MaxDoubleTapTime" "180"
               Option "SingleTapTimeout" "180"
               Option "ClickTime" "100"
               Option "EmulateMidButtonTime" "120"
               Option "VertScrollDelta" "107"
               Option "HorizScrollDelta" "107"
               Option "CornerCoasting" "0"
               Option "MinSpeed" "0.5"
               Option "MaxSpeed" "1"
               Option "AccelFactor" "0.0371885"
               Option "TouchpadOff" "0"
               Option "LockedDrags" "0"
               Option "LockedDragTimeout" "5000"
               Option "RTCornerButton" "0"
               Option "RBCornerButton" "0"
               Option "LTCornerButton" "0"
               Option "LBCornerButton" "0"
               Option "ClickFinger1" "1"
               Option "ClickFinger2" "3"
               Option "ClickFinger3" "2"
               Option "CircScrollDelta" "0.1"
               Option "PalmDetect" "0"
               Option "PalmMinWidth" "10"
               Option "PalmMinZ" "200"
               Option "PressureMotionMinZ" "30"
               Option "PressureMotionMaxZ" "160"
               Option "PressureMotionMinFactor" "1"
               Option "PressureMotionMaxFactor" "1"
               Option "GrabEventDevice" "1"
               Option "TapAndDragGesture" "1"
               Option "AreaLeftEdge" "0"
               Option "AreaRightEdge" "0"
               Option "AreaTopEdge" "0"
               Option "AreaBottomEdge" "4100"
               Option "HorizHysteresis" "20"
               Option "VertHysteresis" "20"
               Option "ClickPad" "1"
               # these settings need to be set with synclient, seems to be ineffective here..
               Option "RightButtonAreaLeft" "4501"
               Option "RightButtonAreaRight" "0"
               Option "RightButtonAreaTop" "4100"
               Option "RightButtonAreaBottom" "0"
               Option "MiddleButtonAreaLeft" "2500"
               Option "MiddleButtonAreaRight" "4500"
               Option "MiddleButtonAreaTop" "4100"
               Option "MiddleButtonAreaBottom" "0"
EndSection