Bradley Hook bhook at
Wed Apr 4 00:50:29 CEST 2007

I personally like the configuration of my synaptics touch pad. I have
left, middle, and right clicks (1, 2, and 3 finger tapping,
respectively), and I can also use the right and bottom edges for
vertical and horizontal scrolling.

However, keep in mind that touch *screens* are very different in design
than touch *pads*. With a touch screen, the cursor moves to the
coordinates of the pressure. With a touch pad, the cursor does not move
based solely on pressure being applied. Instead, touch pads track the
motion of the pressure point and move the cursor in the appropriate
direction and speed. Mixing and matching the capabilities of these may
be more difficult than we think, not just from a hardware/driver point
of view, but also in user-friendliness.


Florent THIERY wrote:
> Last post, promise :)
> I found this:
> iScroll2 is a modified trackpad driver that adds two-finger scrolling
> capabilities to supported pre-2005 PowerBooks and iBooks on OS X 10.3 and
> up.
> To scroll, just place two fingers on your trackpad instead of one. Both
> fingers need to be placed next to each other horizontally (*not*
> vertically,
> the trackpad cannot detect that). Some people get better results with their
> finger spaced a little bit apart, while others prefer having the fingers
> right next to each other.
> iScroll2 provides two *scrolling modes*: Linear and circular scrolling.
> For *linear scrolling*, move the two fingers up/down or left/right in a
> straight line, respectively, to scroll in that direction.
> *Circular scrolling* works in a way similar to the iPod's scroll wheel:
> Move
> the two fingers in a circle to scroll up or down, depending on whether you
> move in a clockwise or counterclockwise direction.
> Added here:
> Cheers
> And good night
> Florent
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