slackbuilds_ponce/system/xf86-input-synaptics

This is a driver for the Synaptics TouchPad for XOrg. A Synaptics touchpad 
by default operates in compatibility mode by emulating a standard mouse. 
However, by using a dedicated driver, more advanced features of the touchpad 
becomes available.

Features:
  Movement with adjustable, non-linear acceleration and speed.
  Button events through short touching of the touchpad.
  Double-Button events through double short touching of the touchpad.
  Dragging through short touching and holding down on the touchpad.
  Middle and right button events on the corners of the touchpad.
  Vertical scrolling through moving on the right side of the touchpad.
  The up/down button sends button four/five events.
  Horizontal scrolling through moving on the lower side of the touchpad.
  The multi-buttons send button events for scrolling.
  Adjustable finger detection.
  Multifinger taps (Not all hardware implements this feature.)
  Run-time configuration using shared memory.

This driver requires manual configuration of X.org/XFree86.
Review the INSTALL file in /usr/doc/xf86-input-synaptics-0.99.1 for details,
and also see /usr/doc/xf86-input-synaptics-0.99.1/README-SLACKWARE
for a hint.