I’ve been using the beta of MacOS X Lion for a few weeks now, and after a few days of initial annoyance I’ve grown to really like the inverted sense of the scroll wheel. I recall when I first got one, in fact, and found the direction downright confusing. This seems to have been an easy behaviour to unlearn.
My desktop box at work runs Debian, and I wanted the same behaviour there to stop me getting split-brain and dribbling a lot. There was a time when a quick change in xorg.conf to
ZAxisMapping "5 4" would do this, but it’s not so the modern age of HIDs and evdevs. After a bit of messing about I figured out how to flip the scroll wheel. This will probably work for Ubuntu too.
- Open the file
- Look for the section with
MatchIsPointer "on". It’s at the top by default.
Add this line:
Option "ButtonMapping" "1 2 3 5 4 6 7 8"</li> <p>
Section "InputClass"<br />
Identifier "evdev pointer catchall"<br />
MatchIsPointer "on"<br />
MatchDevicePath "/dev/input/event*"<br />
Driver "evdev"<br />
Option "ButtonMapping" "1 2 3 5 4 6 7 8"<br />
That’s it! Just restart X.