new Xorg + btnx

Peter Hutterer peter.hutterer at
Thu Dec 11 14:57:57 PST 2008

On Thu, Dec 11, 2008 at 12:38:31PM -0800, William Tracy wrote:
> 1. I don't use btnx, so I don't share his problem. Ask him for details, not me.
> 2. The root of the problem seems related to changes in Xorg, so I
> thought I'd pass it along. If it actually has more to do with a Linux
> kernel change, my apologies for spamming the list.
> Short summary: btnx is a program for remapping extra mouse buttons to
> different actions. A recent Xorg release (supposedly related to the
> introduction of evdev) seems to break the API it depends on.
> Now, if there's just a *different* API available now for accessing raw
> mouse input, and the user-visible applications just need to catch up,
> then fine. However, if this information is simply no longer available
> to clients, then this list should at least be aware of the issue.

How exactly does btnx work?
The above rant is more whining than actually explaining what is broken and I
don't have the time to distill whatever little information there is.

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