Pointing device - scrolling by buttons

[A. Kromic]

I think this should be an easy question to answer, but it puzzles me
nevertheless...

I have a USB trackball with no scrolling options, but it has two buttons
for browsing numbered 8 and  9 (by default used as Forward/Back); I'd
like to use those for scrolling instead. In the old days I'd do the same
as for enabling the wheel, but with different numbers - add
"ZAxisMapping 8 9" (or perhaps "9 8") to the pointer section of the X
config file. However nowadays X neither has configfile by default, and I
also have trouble identifying the device when I do generate one for this
purpose...

Since I'm yet to regain the skill of configuring X, I'd appreciate some
help for this; thanks in advance.

-- 
A.Kromic
-
No trees were harmed in the sending of this message;
however, a large number of electrons were terribly inconvenienced.


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