Touchpad

José Alexandre Nalon nalon at terra.com.br
Mon Dec 4 17:51:56 GMT 2006


Greetings,

I have been using Kubuntu Dapper for some time now, and there are
some things that don't work quite as expected. I got to solve a lot
of them searching the list archives, wikis and sites, but couldn't
solve all of them. These are not big problems, but small things that
I would like to see working.

To begin with: I have a Toshiba Satellite A75, and, although the
touchpad works, two things are not as expected: I can't configure
vertical and horizontal scrolling; and I can't "double-tap" to
emulate mouse click and hold.

I tried installing ksynaptics, but it doesn't seem to have any
effect at all. I tried manually changing xorg.conf (it solved a
lot of problems, but not those). The relevant part of the file
follows below. Any hint of what to do will be appreciated:

Section "InputDevice"
        Identifier      "Synaptics Touchpad"
        Driver          "synaptics"
        Option          "SendCoreEvents"        "true"
        Option          "Device"                "/dev/psaux"
        Option          "Protocol"              "event"
        Option          "LeftEdge"              "120"
        Option          "RightEdge"             "830"
        Option          "TopEdge"               "120"
        Option          "BottomEdge"            "650"
        Option          "FingerLow"             "14"
        Option          "FingerHigh"            "15"
        Option          "MaxTapTime"            "80"
        Option          "MaxTapMove"            "50"
        Option          "ClickTime"             "0"
        Option          "MaxDoubleTapTime"      "100"
        Option          "EmulateMidButtonTime"  "75"
        Option          "VertScrollDelta"       "20"
        Option          "HorizScrollDelta"      "0"
        Option          "MinSpeed"              "0.45"
        Option          "MaxSpeed"              "0.75"
        Option          "AccelFactor"           "0.020"
        Option          "EdgeMotionMinSpeed"    "200"
        Option          "EdgeMotionMaxSpeed"    "200"
        Option          "UpDownScrolling"       "1"
        Option          "CircularScrolling"     "1"
        Option          "CircScrollDelta"       "0.1"
        Option          "CircScrollTrigger"     "2"
        Option          "SHMConfig"             "on"
EndSection

-- 
José Alexandre Nalon
nalon at terra.com.br



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