GNU bug report logs - #77167
31.0.50; Add method to update the max-value for progress-reporter

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: lorniu <lorniu <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 31.0.50; Add method to update the max-value for progress-reporter
Date: Sat, 22 Mar 2025 10:50:24 +0800

Progress report is good for showing the progress. But the max-value is
determined when creating the reporter object. However, in some cases,
max-value is not sure at the very beginning.

For example, sometimes, when downloading over the network, the max-value
is not determined until the first data is returned. In this case, initialize
max-value of the progress object after it created maybe a choice.

Is it possible to add such function to do this?

  (setq reporter (make-progress-reporter "Downloading..."))
  (setf (progress-reporter-max-value reporter) 3300) ; something like this
  (dotimes (i 10) (progress-reporter-update reporter (* 33 i)))

Many thanks!

Message #12 received at 77167 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefankangas <at> gmail.com>
To: lorniu <lorniu <at> gmail.com>, 77167 <at> debbugs.gnu.org
Subject: Re: bug#77167: 31.0.50;
 Add method to update the max-value for progress-reporter
Date: Sat, 22 Mar 2025 11:52:50 +0000

severity 77167 wishlist
tags 77167 + confirmed
thanks

lorniu <lorniu <at> gmail.com> writes:

> Progress report is good for showing the progress. But the max-value is
> determined when creating the reporter object. However, in some cases,
> max-value is not sure at the very beginning.
>
> For example, sometimes, when downloading over the network, the max-value
> is not determined until the first data is returned. In this case, initialize
> max-value of the progress object after it created maybe a choice.
>
> Is it possible to add such function to do this?
>
>   (setq reporter (make-progress-reporter "Downloading..."))
>   (setf (progress-reporter-max-value reporter) 3300) ; something like this
>   (dotimes (i 10) (progress-reporter-update reporter (* 33 i)))
>
> Many thanks!

Makes sense to me.  Patches welcome.

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