Anelok: The slide

Ron K. Jeffries rjeffries at gmail.com
Tue Jan 13 14:11:02 UTC 2015


Something to consider would be  a two level hierarchy rather than one flat
file.

clustering entries into a few buckets means shorter searches for a given
logon credential.

Ron K Jeffries
805-567-4670 mobile
On Jan 13, 2015 4:34 AM, "Paul Boddie" <paul at boddie.org.uk> wrote:

> On Tuesday 13. January 2015 04.34.57 Werner Almesberger wrote:
> > Paul Boddie wrote:
> > > I like the availability of both tapping and sliding, the former being
> > > useful when the latter starts to get impractical (perhaps due to an
> > > excess of credentials to manage).
> >
> > Hmm, I'm more thinking of the opposite use case: slide for large
> > distances, tap if you're just one or two entries away.
>
> So was I, but I think I didn't communicate that very well. ;-)
>
> What I meant was that with a lot of items in the menu, you need to cover a
> lot
> of ground quickly, and that's where sliding is useful, but the relative
> imprecision of sliding needs to be complemented with another mechanism,
> which
> is what you provide tapping for.
>
> Initially, I thought you'd effectively provided a physical scrollbar, but
> from
> what you've written, I guess it's more like a scrollwheel, which is a good
> compromise and would work a lot more nicely with long menus.
>
> [...]
>
> > Getting all these parameters right will certainly require some more
> > fiddling. At the moment, the biggest nuisance is the automatic
> > calibration of the sensor (fw/2014/touch.c:normalize) that kicks in
> > whenever there is fairly static input for a while, the idea being
> > that this means that the sensor is idle.
> >
> > Alas, the algorithm can sometimes be fooled to calibrate while the
> > sensor is being actuated (or exposed to some temporary distortion of
> > the field), which means that sensing will be very confused for a
> > while. The problem sorts itself out by just letting Anelok rest for
> > something like half a minute, but still ...
>
> Yes, all the usual fun of working with sensors!
>
> Paul
>
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