GNU bug report logs - #27647
26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus

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Message #29 received at 27647 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Kaushal Modi <kaushal.modi <at> gmail.com>
Cc: 27647 <at> debbugs.gnu.org
Subject: Re: bug#27647: 26.0.50; Line numbers implemented natively disappear
 momentarily when frame out of focus
Date: Wed, 19 Jul 2017 20:34:06 +0300

> From: Kaushal Modi <kaushal.modi <at> gmail.com>
> Date: Wed, 19 Jul 2017 15:13:31 +0000
> Cc: 27647 <at> debbugs.gnu.org
> 
> I am still trying to find out what is doing that if something is doing that. Unfortunately no message statement
> inserted anywhere in my native linum enabling code is getting executed when this anomaly happens.
> 
>  You could add logging to your functions that turn off the line
>  numbers, and see what's in the log when this happens.
> 
> None of those message statements gets triggered.

I'd begin by removing your line-number setup and replacing it with a
much simpler one, which doesn't involve linum/nlinum, and instead
simply sets display-line-numbers.

If that doesn't help, I'd go on bisecting your customizations.

Alternatively, a reproducing recipe would be useful.

> You would have a better idea if there are any hooks in display engine that get affected by GTK..

None that I know of, sorry, not hooks which could somehow reset an
Emacs Lisp variable.

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