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Thread: Multitouch Trackpad support

  1. #1
    Join Date
    May 2010
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    40

    Multitouch Trackpad support

    I just upgraded my Ubuntu install to the latest release. I have a Synaptics trackpad that supports multitouch in Linux and I was trying to activate it. This is what I found:

    http://ubuntu-snippets.blogspot.com/...synaptics.html

    I tried what the site suggested, but I got the following error:

    sudo: /etc/init.d/hal: command not found

    Could someone tell me what's wrong/how to enable multitouch on my machine? I've made
    it work in Windows 7, so I'm pretty sure it is supported.

    Thanks!

  2. #2
    Join Date
    May 2010
    Location
    Cittadella, Italy
    Beans
    16
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Multitouch Trackpad support

    hal doesn't exist any more in ubuntu 10.04. Try with these command:

    xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Two-Finger Scrolling" 8 1
    xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Synaptics Two-Finger Scrolling" 8 1 1
    xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Synaptics Two-Finger Pressure" 32 10
    xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Synaptics Two-Finger Width" 32 8

    I have an acer 4820tg and it works.

  3. #3
    Join Date
    May 2010
    Beans
    40

    Re: Multitouch Trackpad support

    It worked. Thanks!

  4. #4
    Join Date
    May 2010
    Beans
    40

    Re: Multitouch Trackpad support

    I just noticed that everytime I restart my machine, the multitouch features go away and I have to run those commands again. Is there a way to permanently enable them?

  5. #5
    Join Date
    Aug 2009
    Beans
    597
    Distro
    Kubuntu Development Release

    Re: Multitouch Trackpad support

    Quote Originally Posted by dbhatt View Post
    I just noticed that everytime I restart my machine, the multitouch features go away and I have to run those commands again. Is there a way to permanently enable them?
    Open your textediting program e/g gedit. kate, kwrie, mousepad etc

    Paste this in it
    Code:
    #!/bin/bash
    xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Two-Finger Scrolling" 8
     1
    xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Synaptics Two-Finger 
    Scrolling" 8 1 1
    xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Synaptics Two-Finger 
    Pressure" 32 10
    xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Synaptics Two-Finger 
    Width" 32 8
    (Each command on a separate line. )
    Save the file somewhere as .run extension

    Now go here.
    System > Preferences > Sessions and click on Startup Programs. Click 'Add' and enter the name of the script. It should do the work from there!

  6. #6
    Join Date
    Mar 2008
    Beans
    523
    Distro
    Ubuntu Development Release

    Re: Multitouch Trackpad support

    Wow. I've been looking for a solution for this for more than a week. I had no idea it was so easy.

    Any idea how to enable zoom features or 3-finger clicking for middle click?
    My blog about getting your life in gear: Growing Up After 30.

    My Photography: Stephen Michael Photography.

  7. #7
    Join Date
    May 2010
    Location
    Cittadella, Italy
    Beans
    16
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Multitouch Trackpad support

    If someone has a problem with the script, he must add the following command at the beginning of the script: sleep 10, to obtain:

    Code:
    #!/bin/bash
    sleep 10
    xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Two-Finger Scrolling" 8 1
    xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Synaptics Two-Finger Scrolling" 8 1 1
    xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Synaptics Two-Finger Pressure" 32 10
    xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Synaptics Two-Finger Width" 32 8

  8. #8
    Join Date
    Oct 2006
    Location
    Milton Keynes, UK
    Beans
    1,141
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Multitouch Trackpad support

    For other options available with synaptics see the man page.

    Code:
    man synaptics
    Linux Registered User #443947 Ubuntu Regestered User #12604

    Hakunamatata ...... No worries !

  9. #9
    Join Date
    Mar 2008
    Beans
    523
    Distro
    Ubuntu Development Release

    Re: Multitouch Trackpad support

    Thank you for the reference to the synaptics man page, but I still have a problem.

    It appears to be primarily concerned with setting up your xorg.conf, which really doesn't help me.

    I also tried looking through the xinput man pages, but I'm really having a hard time seeing how to take the information from those two man pages, and come up with a command that does what I want it to do.

    There are only two other features I want to enable, both of which at referenced in the synaptics man page.

    1. 3-finger clicking to enter a "middle click"
    2. The "guest mouse" function, which if I understand correctly, will automatically disable the touchpad if an external mouse is plugged in.

    Neither of these functions is a 'deal breaker' but I would love to get them working. If you can explain how to use the information from the synaptics man page to figure out an xinput command, I would appreciate it greatly.

    Thank you.
    My blog about getting your life in gear: Growing Up After 30.

    My Photography: Stephen Michael Photography.

  10. #10
    Join Date
    Oct 2008
    Beans
    9

    Re: Multitouch Trackpad support

    This works on the Asus Eee 1005HA as well.

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