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I'm running Ubuntu 12.04 LTS on a MacBook Pro 5.5. I'm just wondering if there is something that takes all the kinks out of the touch-pad. It works good, but it feels sluggish, double tap works about 75% of the time and sometimes while I it somehow selects something on a different page (although I'm not sure if that has to deal with the touch-pad and not weird laptop bugs for a new LTS)

If there are any programs, apps, commands aside from the built in system preferences > mouse and track-pad > touch-pad menu that allow someone to "optimize" touch-pad potential.

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i don't know when- but it looks like the xorg.conf is splt into several files in a .d directory... to address this using, Chan-Ho Suh's fix; try adding the items to the bottom of **/usr/share/X11/xorg.conf.d/****10-evdev.conf –  lost_in_translation Feb 23 at 12:46

5 Answers 5

up vote 8 down vote accepted

You can modify the relevant section of the file /etc/X11/xorg.conf. If the file doesn't exist, create one. An example file to show you the proper format is this:

Section "InputClass"
    Identifier         "Touchpad"
    Driver             "synaptics"
    MatchIsTouchpad    "on"
    Option         "ClickFinger3" "2"
    Option         "HorizTwoFingerScroll" "1"
    Option         "VertScrollDelta" "85"
    Option         "HorizScrollDelta" "85"
    Option         "TapButton1" "0"
    Option         "TapButton2" "0"
    Option         "TapButton3" "0"
    Option         "FingerHigh" "8"
    Option         "FingerLow" "8"
EndSection

You can delete, modify, or add option lines. Here are some frequently used options. (The link refers to another file, but don't worry about that; the path I gave will do the same thing)

Since it's cumbersome to restart each time to test your configuration, I recommend using synclient at the command line. Here's another Arch wiki link that explains how to use synclient. Besides using it to test values for options, you can also see what the default values are for the options you didn't set.

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1  
For Linux Mint, the file is at: /usr/share/X11/xorg.conf.d/50-synaptics.conf . Add this stuff to the first section. –  Travis R Aug 12 at 3:22

Great adjustement Chan-Ho Suh, you can do this changes to get "Natual scrolling":

Option "VertScrollDelta" "-85" and Option "HorizScrollDelta" "-85"
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Just use

sudo apt-get install gsynaptics
gpointing-device-settings

Graphical interface to control your touchpad. Much easier.

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I used the following: make the /etc/X11/xorg.conf file as recommended above:

# /etc/X11/xorg.conf

Section "InputClass"
    Identifier         "Touchpad"
    Driver             "synaptics"
    MatchIsTouchpad    "on"

then do this:

su
synclient -l | sed 's/    \([a-Z0-9]*\) *= \([0-9.-]*\)/\tOption "\1" "\2"/' >> /etc/X11/xorg.conf
exit

this should dump your current touchpad settings into the file and save you a lot of time, just adjust the values from what shows up as a result. Double check the resulting syntax or you may break your X server. This will also dump the "Parameters..:" something like that line that synclient outputs, you'll need to remove that. I'm not sure how to filter it at the command line level.

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the sudo ... | ... pipe doesn't work because the only thing that you are running as root is the synclient -l before the pipe. You may try using sudo both sides of the pipe or englobe the command. –  Braiam Aug 31 '13 at 13:16
    
for some reason even $ su and running the synclient -l | ... >> .. wouldnt work, it still told me permission denied.. maybe I am remembering what i did incorrectly –  Paul Aug 31 '13 at 16:20
    
Because when you are using su, the home variable changes to /root –  Braiam Aug 31 '13 at 16:23
    
sorry i think i explained poorly. what i did was $ su $ sudo synclient -l | sed 's/ \([a-Z0-9]*\) *= \([0-9.]*\)/\tOption "\1" "\2"/' >> /etc/X11/xorg.conf and received a permission denied. edit: nevermind, this seems to be working fine by that route, I'm not sure what I did. I've adjusted the regex to account for negative values as well. –  Paul Sep 3 '13 at 13:55
    
su is only to change user and you will need root permissions to do so, the command to run as root session should be sudo su - then run the commands ... and the end do logout or exit. –  Braiam Sep 3 '13 at 13:59

I found an excellent solution in the forums a couple of days ago specifically for macbooks, if it doesn't feel sensitive add this to your startup

synclient FingerLow=10; synclient FingerHigh=20

Place any name and add that as your command and that's it.

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protected by Community Jun 18 at 0:19

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