Two mice with different sensitivity

[Paul Vojta]

On Fri, Sep 01, 2006 at 01:04:09PM -0700, Adam B wrote:
> I've got two USB mice on my Linux box  (Logitech wheel mouse and
> trackman).  They are working fine simultaneously, (one pointer two
> mice).  All I want to do is have different sensitivity settings for
> each because the track ball is way to fast but the mouse is just right.
> 
> The xset m command doesn't do the job because it changes both at once.
> In xorg.conf I've tried:
> Option "Resolution" "n"
> 
> and
> Option "SampleRate" "n"
> 
> Neither setting had any noticable effect.
> 
> Is this possible?  I've spent a good deal of time researching this on the
> net and found no solutions.  Therefore I am considering "scratching my own
> itch" by writing some code.  Any suggestions as to where the best place to
> implement such a feature is?  Should it be part of the X server?  Or should
> it be a lower level filter for /dev/input/mouseN?

"Resolution" is the right option to look at.  However, its value is ignored
for some mouse protocols (which ones are yours?), and it really has only four
values:  200, 100, 50, and 25.  Using any other number is equivalent to one
of those.

--Paul Vojta, vojta at math.berkeley.edu