Now I have learned something. Sorry if I say trivial things for you, but I
think it is not clear for everybody.
Mouse sensitivity has very little to do with the movement speed of the mouse or
touchpad. That is controlled by acceleration. High acceleration means faster
cursor movement.
To be able to move fast, and at the same time be precise, there are two levels
of speed. The slower speed is active if you move the mouse or touchpad less
than the value in pixels specified by sensitivity. This speed is always 1, it
cannot be adjusted.
If you move more pixels than sensitivity, then the mouse will move faster, as
fast as your acceleration setting is.
But high acceleration makes the cursor "jumpy". So you either have a slow
cursor, or a jumpy cursor.
So far the effects of the options in gnome-control-center. I can see the
following issues:
1. The label of the "sensitivity" slider is misleading. I thought it should
affect the speed of the cursor. "Threshold" would be better IMHO, as this
option is called in man xset. After I have read the comments here, this is the
main problem, so this bug should focus on the misleading option name in
gnome-control-center.
2. There is a feature in newer xservers, that enables continuous pointer
acceleration. You can try it with the command "xset m 2 0". This is much better
than the two-level acceleration, but gnome-control-center does not provide a
way to turn it on. It would be a nice feature.
3. The initial values after a fresh install are either too slow or too high for
certain input devices, e.g. the touchpad of the Asus EEE 901. Better defaults
are welcome, but it is less problem if it can be changed in
gnome-control-center intuitively.
** Package changed: xorg-server (Ubuntu) => gnome-control-center
(Ubuntu)
** Changed in: gnome-control-center (Ubuntu)
Status: Incomplete => Confirmed
--
mouse sensitivity has no effect in Jaunty
https://bugs.launchpad.net/bugs/357204
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