From: Heime <heimeborgia@protonmail.com>
To: Jean Louis <bugs@gnu.support>
Cc: help-gnu-emacs@gnu.org
Subject: Re: Special hilighting for comments
Date: Sun, 11 Dec 2022 02:10:22 +0000 [thread overview]
Message-ID: <W5CdWn5347C7QuQJWUpvNb-9ROuc0W2w0m8dqvs5gIncifVirGWOPs9izHkZjv4eJC32ozIBR1Fy3ZP1Gm1doi4yrhYApy-IlS5hub9TYy4=@protonmail.com> (raw)
In-Reply-To: <Y5ThodMQ7x8ktgYG@protected.localdomain>
------- Original Message -------
On Saturday, December 10th, 2022 at 7:44 PM, Jean Louis <bugs@gnu.support> wrote:
> * Heime heimeborgia@protonmail.com [2022-12-10 20:12]:
>
>
> ;; [Highlighted line]
>
> > > This works well:
> > >
> > > (highlight-regexp "^;; \\[.*$")
> >
> > Would it be possible to change only the foreground to some specified
> > colour?
>
>
> Always use {C-h f FUNCTION-NAME} to find description of the function.
>
> {C-h f highlight-regexp RET} tells you:
>
> (highlight-regexp REGEXP &optional FACE SUBEXP LIGHTER)
>
> Set face of each match of REGEXP to FACE.
> Interactively, prompt for REGEXP using ‘read-regexp’, then FACE.
> Use the global history list for FACE. Limit face setting to the
> corresponding SUBEXP (interactively, the prefix argument) of REGEXP.
> If SUBEXP is omitted or nil, the entire REGEXP is highlighted.
>
> That means you can use FACE for which you may define foreground and
> background.
>
> To find some interesting face I did following:
>
> {M-x list-faces-display RET}
>
> then I found one like 'custom-invalid and did following:
>
> (highlight-regexp "^;; \\[.$" 'custom-invalid)
>
> So that one
>
> ;; [Highlights this line]
>
> To define your special face:
>
> (info "(elisp) Defining Faces")
>
> Use the function `defface'. Here is example from Emacs library: (defface ansi-color-black '((t :foreground "black" :background "black")) "Face used to render black color code." :group 'ansi-colors :version "28.1") Now that means it should not be hard to replicate it and create your own face with foreground and background and then to use the function` highlight-regexp' as above shown or as:
>
> (highlight-regexp "^;; \\[.$" 'my-face)
>
> --
> Jean
Made my own face with your help.
next prev parent reply other threads:[~2022-12-11 2:10 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-10 2:42 Special hilighting for comments Heime
2022-12-10 6:12 ` Marcin Borkowski
2022-12-10 6:23 ` Heime
2022-12-10 8:13 ` Eli Zaretskii
2022-12-10 8:14 ` Eli Zaretskii
2022-12-10 8:30 ` Heime
2022-12-10 8:49 ` Eli Zaretskii
2022-12-10 10:53 ` Heime
2022-12-10 11:15 ` Eli Zaretskii
2022-12-10 11:26 ` Heime
2022-12-10 14:21 ` Eli Zaretskii
2022-12-10 14:28 ` Heime
2022-12-10 15:52 ` Jean Louis
2022-12-10 17:11 ` Heime
2022-12-10 17:16 ` Eli Zaretskii
2022-12-10 17:39 ` Heime
2022-12-10 17:57 ` Thibaut Verron
2022-12-10 18:32 ` Eli Zaretskii
2022-12-12 0:59 ` Heime
2022-12-10 19:44 ` Jean Louis
2022-12-11 2:10 ` Heime [this message]
2022-12-11 2:37 ` Heime
2022-12-11 4:23 ` Jean Louis
2022-12-11 5:06 ` Heime
2022-12-11 9:06 ` Jean Louis
2022-12-11 6:54 ` tomas
2022-12-11 6:59 ` Heime
2022-12-11 7:24 ` tomas
2022-12-11 7:33 ` Heime
2022-12-11 7:47 ` tomas
2022-12-11 7:52 ` Heime
2022-12-11 8:55 ` tomas
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