Re: What tilt wheels do (was Re: Bull***! )

From: Grant Edwards (grante_at_visi.com)
Date: 09/14/04


Date: 14 Sep 2004 03:07:36 GMT

On 2004-09-14, Last2Know <grokkalot@yahoo.com> wrote:

>> Could be. 8-16 was just an initial guess based on the
>> assumption that the protocol was already documented and the
>> existing driver worked except for the "tilt" part.
>
> That's a reasonable thought. FWIW though, I guess it is a
> bigger project, the reason being that apparently the
> horizontal tilt of the wheel is supposed to be interpreted as
> an extra wheel (c.f.http://www.extremetech.com/article2/0,1558,1241298,00.asp)
>
> That's conceptually simple, but looks to involve expanding
> the kernel's concept of what a mouse signal can be to include
> two wheels instead of one, therebye touching a lot of files.

Aye, there's the rub. For some reason I thought the "tilt"
part was just a modifier-key type thing.

> I'm guessing that is one reason why nobody got around to it.

Writing a driver is one thing. Adding features to the kernel,
X11, and various apps to take advantage of the driver is
entirely a different matter (and a lot more work).

-- 
Grant Edwards                   grante             Yow!  I'm pretending I'm
                                  at               pulling in a TROUT! Am I
                               visi.com            doing it correctly??