GNU bug report logs - #52235
29.0.50; Suggestion: refactor time.el into a more general 'clock' framework

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From: Arthur Miller <arthur.miller <at> live.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 52235 <at> debbugs.gnu.org
Subject: bug#52235: 29.0.50; Suggestion: refactor time.el into a more general 'clock' framework
Date: Fri, 03 Dec 2021 00:48:05 +0100

Eli Zaretskii <eliz <at> gnu.org> writes:

> Because it doesn't synchronize with clock... what happens?
>
> And what do you mean by "doesn't synchronize with clock that Emacs
> displays"?  The time comes from the same source, so how can it be not
> synchronized? in what sense?

Lars clarified about that. What I meant was what "wall clock" usually mean in
this context; I didn't understand that "integer multiple of REPEAT" (as in docs)
meant actually that.

> My point is that I don't see why this feature has to touch
> display-time-mode.  That is not clean, IMO.  It should be a separate
> feature that uses timers.  The feature could create a timer the first
> time it is requested, and then any additional clients could reuse the
> same timer.  Of course, if you want to use a single timer, you'd still
> need to solve the potentially different needs of each application: for
> example, one of them may wish to be notified each second, the other
> each hour.
Indeed, you are correct about that one. I am a bit used to Emacs "hook"
frameworking, so I just wanted to have a hook to add somewhere and get my clock
going :).

But yes, you are right, one clock might wish to display seconds while
another one only minutes.

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