GNU bug report logs - #51490
Show an indicator when Emacs is busy somewhere in the Emacs window

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Message #23 received at 51490 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: stefan <at> marxist.se, 51490 <at> debbugs.gnu.org
Subject: Re: bug#51490: Show an indicator when Emacs is busy somewhere in
 the Emacs window
Date: Wed, 21 Sep 2022 14:01:13 +0200

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

> Mode line is drawn in C, not in Lisp.
>
> And if the problem is that we cannot run the display code, either,
> then how would it help to poke the glyph?  It won't be shown on the
> glass, because redisplay cannot run.  Right?  Or what am I missing?

Redisplay can run, but we can't run any Lisp code, and the normal
formatting of a mode line does (potentially) run lots of Lisp code,
doesn't it?

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