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

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Message #65 received at 51490 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Gregory Heytings <gregory <at> heytings.org>
Cc: larsi <at> gnus.org, 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: Thu, 22 Sep 2022 16:59:48 +0300

> Date: Thu, 22 Sep 2022 13:02:53 +0000
> From: Gregory Heytings <gregory <at> heytings.org>
> cc: larsi <at> gnus.org, stefan <at> marxist.se, 51490 <at> debbugs.gnu.org
> 
> > Drawn how?  Bitmaps are images, and drawing images in the text area 
> > means we need to invoke all the machinery of redrawing a certain screen 
> > line, be it on the mode line or elsewhere.  That's how Emacs draws 
> > stuff; we don't have any way of directly poking the glass with an 
> > arbitrary bunch of pixels, at least not one that I know of.
> 
> I'm thinking aloud here, sorry if it isn't useful.  But I think we have at 
> least one similar occurrence: XTflash.

Which part of it seemed similar to what is being discussed here?

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