Synaptics

Synaptics provides the linux touchpad driver.

Locations

/etc/X11/xorg.conf.d/*.conf

configure touchpad

Insstall

pacman -S xf86-input-synaptics
nano /etc/X11/xorg.conf.d/50-synaptics.conf

Usage

synclient               # show all options, and settings

synclient PalmDetect=1  # set an option

Configuration

Basics

synclient  # list/try available options

# /etc/X11/xorg.conf.d/70-synaptics.conf

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

    # your synclient options here
	Option "AccelFactor" "0.05"
EndSection

Available Options

Finding your touchpad's options:

xinput -list
xinput list-props "SynPS/2 Synaptics TouchPad" | grep Capabilities

You will get a list of 1s and 0s which correspond to:

lmb

mmb

rmb

2-finger

3-finger

v res configurable

h-res configurable

Cookbook

MMB on two-finger-click

synclient TapButton2=2

Disable trackpad while typing

# ~/.xinitrc
syndaemon -t -k -i 1 & # after keypress, disable scrolling/tapping for 2 seconds