[patch] Selection stats in statusbar

[Jürgen Spitzmüller]

Am Mittwoch, dem 10.08.2022 um 08:01 +0200 schrieb Daniel:
> 1. The delay timer seems not to be working as expected. Normally,
> i.e. 
> in other word processors, the idea is this:
> 
> While typing, no updating takes place, only once the typing stops,
> the 
> update timer starts. Once typing is continued, the update timer is 
> stopped. I guess this is to make sure that calculation of the
> statistics 
> is very unlikely to interfere with the typing.
> 
> However, as it is now, the word count gets updated sometimes while 
> continuously typing. I thought that I had figured this out in my
> patch 
> but maybe not. (Or that is a part where you where wondering why it
> was 
> as it was.)

I agree this would be much better. Also, async calculation (via
QFuture) would probably help with managing the calculation processes
and mitigate delays.

What is not so easy, I think, is to trigger correctly when the
statistics should be updated. This is not only on typing, but also on
pasting, cutting, undo/redo, buffer loading and buffer switching. Maybe
even on internal processes (think LyXServer). I onl y had a quick look,
but I think the signals would have to be emitted from many different
places.

-- 
Jürgen
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