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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