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My use case: I have a mouse with rocker buttons. I want to remap these buttons to be something else (forward and backwards). I know the button is recognized since it seems to allow for "open link in new tab" functionality when in Chrome - I know the button is sending some signal.

Using the keyboard viewer does not show what the button does. This is what I thought I would try first.

On Windows, using AutoHotKey a built in function basically gives a dump of all the scan codes windows receives to a console output. This would let me know exactly what button OSX is registering the keypress as.

  • What application for Mac will display scan codes (or keyboard/mouse input) in a fashion which will let me remap the input? It can be either a GUI application or a terminal app
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  • I know you can via wxPython; if that is a solution that interests you I can draft up a quick script to do so (at least it works that way on Windows and it is cross platform so I would expect it to be able to do that on Mac)
    – Nick Dickinson-Wilde
    Commented Apr 7, 2014 at 19:49
  • @NickWilde I'm fine with whatever works, even "hacks" - it's rather mind blowing to me this is so complicated in the first place...
    – enderland
    Commented Apr 7, 2014 at 19:53
  • As for actually remapping the key: Have you tried Automator? I'm not sure what Automator does since I haven't played with a Mac in awhile, but it's for automating things, and there may be way to bind it to a key.
    – Julia McGuigan
    Commented Apr 10, 2014 at 0:47

1 Answer 1

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Install Karabiner.

Then use its EventViewer (look up the doco) to monitor the events your custom device fires.

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  • Great! This works! It even has built in hooks for exactly what I want to do, after digging around in it for a while.
    – enderland
    Commented Oct 3, 2014 at 3:11

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