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2-Finger Scroll

This feature do not work on every touchpad. Make sure that your touchpad notice more than one finger with synclient -m 100. The „f“ column shows how many fingers tapping on the pad, if it stays „1“ even with more fingers, your touchpad is not capable of two-finger scroll

Goal

Use two fingers to scroll horizontal and vertical on your touchpad (Apple-like)

Work to do

Creat a file /etc/hal/fdi/policy/11-synaptics-options.fdi with your favourite texteditor and insert the following code 

<?xml version="1.0" encoding="ISO-8859-1"?>
<deviceinfo version="0.2">
  <device>
    <match key="input.x11_driver" contains="synaptics">
    <merge key="input.x11_options.SHMConfig" type="string">On</merge>
    <merge key="input.x11_options.TapButton2" type="string">3</merge>
    <merge key="input.x11_options.TapButton3" type="string">2</merge>
    <merge key="input.x11_options.VertTwoFingerScroll" type="string">1</merge>
    <merge key="input.x11_options.HorizTwoFingerScroll" type="string">1</merge>
  </match>
</device>
</deviceinfo>

Source

…and a hint from Ralf

Remember: You need
Option       "SHMConfig" "on"

in the touchpad-device section of your /etc/X11/xorg.conf for every „on-the-fly“ change to your touchpad.

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