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Configuring Synaptics Touchpad in Ubuntu

| Sunday, October 16, 2011
If you want to take advantage of the more advanced features of your Synaptics touchpad in Ubuntu, such as two-finger scrolling, multitouch and circular scrolling (or chiral scrolling), then you'll need to know how to configure it.

Open a terminal and type:

synclient -l                                                                      


This will list the current touchpad settings, which might look something like this:


pchelptech@ubuntu:~$ synclient -l
Parameter settings:
    LeftEdge                = 1773
    RightEdge               = 5471
    TopEdge                 = 1665
    BottomEdge              = 4829
    FingerLow               = 24
    FingerHigh              = 29
    FingerPress             = 255
    MaxTapTime              = 180
    MaxTapMove              = 248
    MaxDoubleTapTime        = 180
    SingleTapTimeout        = 180
    ClickTime               = 100
    FastTaps                = 0
    EmulateMidButtonTime    = 75
    EmulateTwoFingerMinZ    = 280
    EmulateTwoFingerMinW    = 6
    VertScrollDelta         = 113
    HorizScrollDelta        = 113
    VertEdgeScroll          = 1
    HorizEdgeScroll         = 1
    CornerCoasting          = 0
    VertTwoFingerScroll     = 0
    HorizTwoFingerScroll    = 0
    MinSpeed                = 1
    MaxSpeed                = 1.75
    AccelFactor             = 0.0353482
    TrackstickSpeed         = 40
    EdgeMotionMinZ          = 29
    EdgeMotionMaxZ          = 159
    EdgeMotionMinSpeed      = 1
    EdgeMotionMaxSpeed      = 452
    EdgeMotionUseAlways     = 0
    TouchpadOff             = 0
    LockedDrags             = 0
    LockedDragTimeout       = 5000
    RTCornerButton          = 2
    RBCornerButton          = 3
    LTCornerButton          = 0
    LBCornerButton          = 0
    TapButton1              = 1
    TapButton2              = 3
    TapButton3              = 2
    ClickFinger1            = 1
    ClickFinger2            = 1
    ClickFinger3            = 1
    CircularScrolling       = 0                                                   
    CircScrollDelta         = 0.1                                                 
    CircScrollTrigger       = 0
    CircularPad             = 0
    PalmDetect              = 0
    PalmMinWidth            = 9
    PalmMinZ                = 199
    CoastingSpeed           = 20
    CoastingFriction        = 50
    PressureMotionMinZ      = 29
    PressureMotionMaxZ      = 159
    PressureMotionMinFactor = 1
    PressureMotionMaxFactor = 1
    ResolutionDetect        = 1
    GrabEventDevice         = 1
    TapAndDragGesture       = 1
    AreaLeftEdge            = 0
    AreaRightEdge           = 0
    AreaTopEdge             = 0
    AreaBottomEdge          = 0

Let's say you want to enable circular scrolling, starting at the top right hand corner, here's how you'd do it:

pchelptech@ubuntu:~$ synclient CircularScrolling=1 CircScrollTrigger=2

For a full list of available functions, check out this page:

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