https://bugs.kde.org/show_bug.cgi?id=476047

--- Comment #3 from Duncan <1i5t5.dun...@cox.net> ---
Update prompted by the bug-dup reminder...

(In reply to Duncan from comment #1)
> * It works reasonably well when I "scroll-coast" aka "inertial-scroll [but
> w]ith normal "non-inertial" scrolling (leaving the fingers on the touchpad)
> the behavior is near uncontrollable as you say:

Something changed some days/weeks after posting that. Non-inertial scrolling
works much better now tho it's still a bit touchy...

> ** When scroll-zooming in from 1:1 normal size, non-inertial scroll-zooming
> will start to zoom in, then near immediately zoom back out, often to normal
> size but sometimes it stops before it gets quite back to normal size
> (especially if I lift my fingers as it's starting to zoom out).
> ** When already zoomed in, non-inertial scroll-zooming will *most* of the
> time (but not entirely predictably) zoom OUT regardless of whether I scroll
> up or down.  

I haven't seen either of these bugs in some time.  Scroll/zoom direction is now
as expected. =:^)

> The zoom-out is /very/ touchy but /can/ be controlled to /some/
> extent, basically what I would expect from an effect configured for
> normal-res scrolling on my high-res touchpad.

This seems much better too, but not entirely fixed.  Zoom to an appropriate
level is at least doable now, but still faster than I'd like.  I'm guessing the
code checks for a hi-rez touchpad now and adjusts for it, but just not enough
for /my/ case.  Zoom speed seems to be 3-5X what I'd want now;slow enough I can
get what I want if I'm careful and zoom back and forth a bit, whereas IIRC it
was more like 10-20X before so nearly impossible to work with except using
short inertial-scrolls to get /near/ what I wanted and then fine-tune with
keyboard zoom.

IOW, I still have to be careful to scroollll slooowwwlllyyy, but touchpad-zoom
/is/ actually useful on its own now, unlike before where I had to fine tune
with keyboard zoom.  Of course having the zoom direction bugs fixed helped
immensely with usability as well.  =:^)

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