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From: Eli Zaretskii <eliz@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: Emacs pretest: highlight line number in display-line-numbers-mode?
Date: Thu, 19 Oct 2017 23:09:50 +0300	[thread overview]
Message-ID: <834lquew6p.fsf@gnu.org> (raw)
In-Reply-To: <25a064f1-c267-49f7-a8de-b28baee928ac@default> (message from Drew Adams on Thu, 19 Oct 2017 10:18:25 -0700 (PDT))

> Date: Thu, 19 Oct 2017 10:18:25 -0700 (PDT)
> From: Drew Adams <drew.adams@oracle.com>
> Cc: help-gnu-emacs@gnu.org
> 
> If the default value of face `line-number-current-line'
> looked different from that of face `line-number' then
> there would be little need to pose the question of whether
> you can highlight the current line number differently.

This face is by default the same as line-number because of 2 reasons:

  . linum-mode did the same
  . using a different face makes redisplay slightly slower (because it
    disallows some redisplay optimizations)

> To find the face used, I use `list-faces-display' and look
> for either a face name that is a likely candidate
> (`line-number' is pretty obvious, in this case) or a face
> appearance that matches what I see.

There are other places where this doesn't work, e.g. on the mode line.



  reply	other threads:[~2017-10-19 20:09 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-19 15:19 Emacs pretest: highlight line number in display-line-numbers-mode? Sivaram Neelakantan
2017-10-19 15:37 ` Robert Pluim
2017-10-19 17:18   ` Drew Adams
2017-10-19 20:09     ` Eli Zaretskii [this message]
     [not found]     ` <<834lquew6p.fsf@gnu.org>
2017-10-19 20:43       ` Drew Adams
2017-10-20  6:34         ` Eli Zaretskii
2017-10-20 13:49           ` Robert Pluim
2017-10-20 14:49             ` Eli Zaretskii
     [not found]           ` <<87mv4mexpo.fsf@gmail.com>
     [not found]             ` <<83h8utdgcq.fsf@gnu.org>
2017-10-20 15:18               ` Drew Adams
2017-10-20 15:42                 ` Eli Zaretskii
     [not found]         ` <<83376ee39c.fsf@gnu.org>
2017-10-20 15:18           ` Drew Adams
2017-10-20 15:52             ` Eli Zaretskii
     [not found] <<<krpqx3tvyv413v.fsf@gmail.com>
     [not found] <<krpqx3tvyv413v.fsf@gmail.com>

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