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Thread: Synaptics Tap Zone size

  1. #1
    Join Date
    Nov 2006

    Synaptics Tap Zone size

    Is there any way to adjust tap zone corner size in Synaptics touchpad, just like in Windows driver? My default tap zones are too small for me and difficult to use.

  2. #2
    Join Date
    Aug 2011

    Re: Synaptics Tap Zone size

    To chnage the area of Tap zones have a look at this


    taken from synaptics manpage

    man synaptics
    as you can see we need to change the parameters of LeftEdge RightEdge TopEdge and BottomEdge.

    These can be changed with the commands

    synclient LeftEdge=2196
    and you need to change all edges i.e. synclient RightEdge=....

    You can guess the numbers or use this command

    synclient -m 100
    but first you would need to enable SHMConfig

    do this by the following method

    Enter this command, it will give you access to change files on nautilus

    sudo nautilus
    Enter Password -> go to "File System" -> "USR" -> "share" -> "X11" -> "xorg.conf.d" -> "50-synaptics.conf"

    now you should see this

    Section "InputClass"
    Identifier "touchpad catchall"
    Driver "synaptics"
    MatchIsTouchpad "on"
    MatchDevicePath "/dev/input/event*"

    you want to add Option "SHMConfig" "true" so it looks like this


    save and exit

    now enter "synclient -m 100" in terminal

    synclient -m 100
    and you should see this

    time x y z f w l r u d m multi gl gm gr gdx gdy
    0.000 1 5855 0 0 0 0 0 0 0 0 00000000 0 0 0 0 0

    were interested in the x and y numbers
    touch your finger on the touchpad were you want the corner of the area 3 you want (see first picture were the TopEdge meets the RightEdge)
    you should see the terminal output numbers with a big number around 5000 on x and a number around 2500 in y
    the x cordinate is the RightEdge and the y is the TopEdge
    record on a piece of paper
    then again tap the touchpad at the bottom left at were you want The Leftedge meet the BottomEdge (see again first picture)

    the numbers I get are x=2254 y=3654 (each touchpad has different dimensions and you might want a bigger area for the taps)
    now here the x=LeftEdge and y=BottomEdge
    again record these down

    thats all we need so in the terminal you can use this to change the location of the Edges

    synclient RightEdge=4905
    synclient TopEdge=2431
    synclient LeftEdge=2196
    synclient BottomEdge=3689
    (these are my own that Ive calibrated with my touchpad and preference so enter the ones you jotted down)

    now thats all and you can use this command to see if you changed them

    synclient -l
    lastly you can add these to xorg.conf.d (see above to recap) and you should have them permantley saved

    and the way you type them in as follows

    Option "RightEdge" "4905"

    dont forget its one space between Option and "RightEdge" and two spaces between "RightEdge" and "4905"

    and the same with the other 3 save and reboot and then its complete!

  3. #3
    Join Date
    Aug 2011

    Re: Synaptics Tap Zone size

    to set the tap zones with key strokes or commands check this
    Last edited by Enterpart; October 15th, 2011 at 03:09 PM.

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