Subject: Re: X and wscons
To: None <mouse@Rodents.Montreal.QC.CA>
From: Lennart Augustsson <email@example.com>
Date: 07/27/1998 22:48:28
> Yes. Most mice, for example, though admittedly the Z axis support is
> minimal - typically only two positions are sensed.
What is often called the Z axis is just a wheel on the mouse.
> The core protocol has no support for more than two axes in the pointing
> device; it's full of structures with two fields for coordinates. Look
> at almost any pointer event, for example, or the QueryPointer reply.
The mouse protocol decoder can map the Z axis to either the X axis,
the Y axis, or button4/button5 events. The latter can be put to good
use for scrolling up and down when the mouse wheel is turned.