Re: Setting mouse speed?

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Anno domini 2020 Sat, 18 Jul 11:23:11 +0200
 Stefan Krusche scripsit:
> Am Freitag 17 Juli 2020 schrieb Janek Stolarek:
> > Thanks! (And sorry for late reply)
> >
> > > That is actually the speed setting :-)
> >
> > I wonder whether this is bad Polish localization ("acceleration" used
> > instead of "speed") or is the term acceleration actually used in
> > English TDE as well? 
> 
> In German it's called acceleration as well, and in English, too. Me 
> thinks, it's rather a technical term as one from the users POV. There 
> seems to be a basic speed from the X-window system, which is 
> then "accelerated" by a factor exponentially increased in dependence of 
> the initial speed of mouse movement. I guess one would have to look at 
> the source code for the exact algorithm… ;-)

The X11 underlying system changed some years ago. Before that, KDE3 and all other DE of that time had accurate settings for speed/acceleration. Now X11 always applies some kind of acceleration depending on your input device. Play around with xinput/xset to get a 1:1 mapping for mousespeed to cursorspeed or touchpoint elongation to cursurspeed. When that's done, the TDE settings work as they sould.



> 
> > I find this confusing, since mouse acceleration 
> > means something different to me (variable cursor speed depending on
> > how fast the mosue is actually moved).
> 
> That's what it actually does, AFAIU. When you move the mouse slowly it 
> is not accelerated as much as when you start to move it with a quick 
> twist of the wrist. Try an acceleration of more than x3 and you will be 
> able to observe this clearly.
> 
> HTH
> 
> Kind regards,
> Stefan
> 
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