46 lines
1.5 KiB
Markdown
46 lines
1.5 KiB
Markdown
---
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title: Invert mouse scroll wheel in Debian
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author: James McDonald
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type: post
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date: 2011-07-21T11:49:01+00:00
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url: /2011/07/invert-mouse-scroll-wheel-in-debian/
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aktt_notify_twitter:
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- yes
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aktt_tweeted:
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- 1
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dsq_thread_id:
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- 440701348
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categories:
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- Hacks
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---
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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.
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My desktop box at work runs Debian, and I wanted the same behaviour there to
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stop me getting split-brain and dribbling a lot. There was a time when a quick
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change in xorg.conf to `ZAxisMapping "5 4"` would do this, but it's not so the
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modern age of HIDs and evdevs. After a bit of messing about I figured out how
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to flip the scroll wheel. This will probably work for Ubuntu too.
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* Open the file `/usr/share/X11/xorg.conf.d/10-evdev.conf`
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* Look for the section with `MatchIsPointer "on"`. It’s at the top by default.
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* Add this line:
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```
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Option "ButtonMapping" "1 2 3 5 4 6 7 8"
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```
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* Add more buttons if you need them for your mouse. The section should look like:
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```
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Section "InputClass"
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Identifier "evdev pointer catchall"
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MatchIsPointer "on"
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MatchDevicePath "/dev/input/event*"
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Driver "evdev"
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Option "ButtonMapping" "1 2 3 5 4 6 7 8"
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EndSection
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```
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That's it! Just restart X.
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