GNU bug report logs - #73862
[PATCH] Add `header-line-active` and `header-line-inactive` faces.

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From: Eshel Yaron <me <at> eshelyaron.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: trevor.m.murphy <at> gmail.com, yantar92 <at> posteo.net, monnier <at> iro.umontreal.ca, aaronjensen <at> gmail.com, 73862 <at> debbugs.gnu.org
Subject: bug#73862: [PATCH] Add `header-line-active` and `header-line-inactive` faces.
Date: Mon, 23 Dec 2024 11:20:51 +0100

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

>> From: Eshel Yaron <me <at> eshelyaron.com>
>> Cc: Eli Zaretskii <eliz <at> gnu.org>,  trevor.m.murphy <at> gmail.com,
>>   monnier <at> iro.umontreal.ca,  aaronjensen <at> gmail.com,  73862 <at> debbugs.gnu.org,
>>  Ihor Radchenko <yantar92 <at> posteo.net>
>> Date: Sat, 14 Dec 2024 10:45:45 +0100
>> 
>> Eshel Yaron writes:
>> 
>> >>> Aaron shared a recipe to reproduce this behavior, copied here:
>> >>> 
>> >>> --8<---------------cut here---------------start------------->8---
>> >>> (setq header-line-format "Some header")
>> >>> (face-remap-set-base 'header-line 'highlight)
>> >>> (switch-to-buffer-other-window "new")
>> >>> ;; In new buffer/window:
>> >>> (setq header-line-format "Some header")
>> >>> (other-window 1)
>> >>> ;; In original buffer/window:
>> >>> (set-face-attribute 'default nil :height (+ (face-attribute 'default :height) 10))
>> >>> --8<---------------cut here---------------end--------------->8---
>> >>
>> >> Are you also change the attributes of the default face to cause the
>> >> "spreading"?  If not, please show a recipe.  Because I was unable to
>> >> see this without something like the last line of the recipe, and also
>> >> that line _must_ be in the buffer where header-line is remapped,
>> >> otherwise the effect is not seen.
>> >
>> > Yes, I used C-x C-M-= in the buffer in which I remapped header-line.
>> 
>> Note that this issue also affects Org: org-columns remaps header-line in
>> org-columns--display-here.  (CC'ing Ihor.)
>
> Please try the patch below.  If it gives good results, please run with
> it for awhile, and tell if you see anything unusual or unexpected.

Thanks, so far so good.


Best,

Eshel

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