Stefan Kangas <stefankangas@HIDDEN>
to control <at> debbugs.gnu.org.
Full text available.Received: (at 76494) by debbugs.gnu.org; 24 Feb 2025 12:31:53 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Feb 24 07:31:53 2025 Received: from localhost ([127.0.0.1]:38802 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1tmXcn-0003Iz-Ea for submit <at> debbugs.gnu.org; Mon, 24 Feb 2025 07:31:53 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:52268) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1tmXck-0003Ig-66 for 76494 <at> debbugs.gnu.org; Mon, 24 Feb 2025 07:31:51 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1tmXce-0007fV-OM; Mon, 24 Feb 2025 07:31:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=8K5hkKzAT1k+G8hb4G/II2UXMmvv5cskXut2eLIa4sY=; b=PxwUIYsuX5NytW6s35EJ mR5hTQLltRzGH29q5L47lVbsmVfI4dyr4VQNW1t5Be6nyQaTuV2IQjrwNx8zzpRjHhJ/7LP0mNwuy l6VC4yEgTr9A/AiPgvxuLrjqD/hyO2yAf+oWi2wMIxB6nGNJYvUYoprhgb3pbmioiX4SiLKnfTnE/ H5qucslW1BsfyyKjvtMYuX5g7tUQKzo+tYqqV0IM5J7EQcmX+6MLyiiVSmTFeINgiBjXhqlK7bxSD 7w4Cvx9LHAPm3cIERnJ4zr01Q7ygUBoDNwxUJpttOtzSU3sd6mQX8ysPgd/UHwPWjJJcNR8cGpusF 5pUU26bO91DoUg==; Date: Mon, 24 Feb 2025 14:31:39 +0200 Message-Id: <86frk3zfpw.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Elijah Gabe =?iso-8859-1?Q?P=E9rez?= <eg642616@HIDDEN> In-Reply-To: <87jz9gdtyc.fsf@HIDDEN> (message from Elijah Gabe =?iso-8859-1?Q?P=E9rez?= on Sun, 23 Feb 2025 19:15:07 -0600) Subject: Re: bug#76494: [PATCH] Highlight fill-column-indicator when current line is longer than `fill-column' References: <87tt8lfg0h.fsf@HIDDEN> <86cyf9i3vj.fsf@HIDDEN> <875xl15e4w.fsf@HIDDEN> <864j0lhz1x.fsf@HIDDEN> <87jz9gdtyc.fsf@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 76494 Cc: 76494 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Elijah Gabe Pérez <eg642616@HIDDEN> > Cc: 76494 <at> debbugs.gnu.org > Date: Sun, 23 Feb 2025 19:15:07 -0600 > > Eli Zaretskii <eliz@HIDDEN> writes: > > > The character is the same for all the screen lines, so if you change > > it, that affects all the lines. > > Not if you use setq-local which prevents this problem, > such as this code: There might be some misunderstanding: using setq-local makes the character local to a buffer, whereas I thought you wanted to use a special character only for the lines that exceed the fill-column? When I use your code, then whenever I'm on a line that is too long, _all_ the fill-column indicators in the window change into the U+2503 character shown in red, not just the indicator of that single line. Did I misunderstand what you are trying to accomplish?
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From: =?utf-8?Q?Elijah_Gabe_P=C3=A9rez?= <eg642616@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#76494: [PATCH] Highlight fill-column-indicator when current
line is longer than `fill-column'
In-Reply-To: <864j0lhz1x.fsf@HIDDEN>
References: <87tt8lfg0h.fsf@HIDDEN> <86cyf9i3vj.fsf@HIDDEN>
<875xl15e4w.fsf@HIDDEN> <864j0lhz1x.fsf@HIDDEN>
Date: Sun, 23 Feb 2025 19:15:07 -0600
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Eli Zaretskii <eliz@HIDDEN> writes:
> The character is the same for all the screen lines, so if you change
> it, that affects all the lines.
Not if you use setq-local which prevents this problem,
such as this code:
(add-hook 'display-fill-column-indicator-mode-hook
(lambda ()
(add-hook
'post-command-hook
(lambda ()
(if (> (save-excursion (end-of-line) (current-column))
fill-column)
(progn
(setq-local
display-fill-column-indicator-character 9475)
(face-remap-set-base 'fill-column-indicator
(list :inherit 'error :stipple nil
:box nil :strike-through nil
:overline nil :underline nil)))
(setq-local
display-fill-column-indicator-character 9474)
(face-remap-reset-base 'fill-column-indicator)))
nil t)))
I couldn't find a way to implement it without it looking terrifying,
so I think I'll just settle with the highlight.
--
- E.G via GNU Emacs.
bug-gnu-emacs@HIDDEN:bug#76494; Package emacs.
Full text available.Received: (at 76494) by debbugs.gnu.org; 23 Feb 2025 07:59:23 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Feb 23 02:59:23 2025 Received: from localhost ([127.0.0.1]:59198 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1tm6tX-00015l-2a for submit <at> debbugs.gnu.org; Sun, 23 Feb 2025 02:59:23 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:32870) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1tm6tR-00015S-IM for 76494 <at> debbugs.gnu.org; Sun, 23 Feb 2025 02:59:20 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1tm6tM-0007l9-0R; Sun, 23 Feb 2025 02:59:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=O3v3xirxiUXzqGcpeBZxWKmkDjy/lsNsrLgc1ORLcKU=; b=D5LCDE2cxdEcjDyjWD80 504Im84pPrJEu2Y0g1G0wZA4kHFx6T/fiiMSPTaw1RSzdi2W0jTRTV9rZVBDVy+/JnWZEqYPzlJY8 NlUtMX3sZjqUxP2rg4chRabEBTM60ZfRYqSA4WQI27wsoPpKZahuTCeWPtPlOxDxhu7skFQmrLLSg Y0JaJK9Xxjn+TubM3K3BbUdEaSsV5nf5ShD7qmgPL+hT1KPAQTE0uUW95eVnvpTC2ZGKvMdkQ2td8 /I+wTJ/7o3L1fnPx7sKu67nh6lJ0uOtg/eRMHpZEduahHJCPsSP+SxwYgZ1kjJd9f2+gUez3pex4Z 554kXo9+u0RcbQ==; Date: Sun, 23 Feb 2025 09:59:06 +0200 Message-Id: <864j0lhz1x.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Elijah Gabe =?utf-8?Q?P=C3=A9rez?= <eg642616@HIDDEN> In-Reply-To: <875xl15e4w.fsf@HIDDEN> (message from Elijah Gabe =?utf-8?Q?P=C3=A9rez?= on Sun, 23 Feb 2025 01:11:43 -0600) Subject: Re: bug#76494: [PATCH] Highlight fill-column-indicator when current line is longer than `fill-column' References: <87tt8lfg0h.fsf@HIDDEN> <86cyf9i3vj.fsf@HIDDEN> <875xl15e4w.fsf@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 76494 Cc: 76494 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Elijah Gabe Pérez <eg642616@HIDDEN> > Cc: 76494 <at> debbugs.gnu.org > Date: Sun, 23 Feb 2025 01:11:43 -0600 > > Eli Zaretskii <eliz@HIDDEN> writes: > > >> I also wanted to do the same for indicator character but I couldn't find > >> a way to implement it. > > > > What do you mean by "indicator character"? > > i meant `display-fill-column-indicator-character', I wanted to > allow changing its character to a custom one. > > example: use this `┃' character (or one chosen by the user) > instead default `│' when changing the fill-column-indicator face. The character is the same for all the screen lines, so if you change it, that affects all the lines.
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From: =?utf-8?Q?Elijah_Gabe_P=C3=A9rez?= <eg642616@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#76494: [PATCH] Highlight fill-column-indicator when current
line is longer than `fill-column'
In-Reply-To: <86cyf9i3vj.fsf@HIDDEN>
References: <87tt8lfg0h.fsf@HIDDEN> <86cyf9i3vj.fsf@HIDDEN>
Date: Sun, 23 Feb 2025 01:11:43 -0600
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Eli Zaretskii <eliz@HIDDEN> writes:
> I see your change adds a post-command-hook, but when and how is that
> hook removed?
The hook is removed when display-fill-column-indicator-mode is turn-off,
i forgot to remove the hook in the submitted patch, I've fixed it.
>> I also wanted to do the same for indicator character but I couldn't find
>> a way to implement it.
>
> What do you mean by "indicator character"?
i meant `display-fill-column-indicator-character', I wanted to
allow changing its character to a custom one.
example: use this `=E2=94=83' character (or one chosen by the user)
instead default `=E2=94=82' when changing the fill-column-indicator face.
>> +(defcustom display-fill-column-indicator-warning nil
>> + "Highlight fill-column-indicator when cursor is above `fill-column'.
>> +Non-nil means highlight fill-column-indicator when cursor is
>> +above `fill-column'."
>> + :type 'boolean)
>
> This lacks a :version tag.
>
> Also, what do you mean by "cursor is above `fill-column'"? The
> "above" part confuses me.
I updated the patch to clarify this part.
--=-=-=
Content-Type: text/x-patch
Content-Disposition: attachment;
filename=0001-Highlight-fill-column-indicator-when-current-line-is.patch
From bfba03d2fc242bf6ca1d6f2b3a964b27d72a8eda Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?El=C3=ADas=20Gabriel=20P=C3=A9rez?= <eg642616@HIDDEN>
Date: Sat, 22 Feb 2025 12:19:07 -0600
Subject: [PATCH] Highlight fill-column-indicator when current line is longer
* lisp/display-fill-column-indicator.el
(display-fill-column-indicator-warning): New use-option.
(display-fill-column-indicator-warning-face): New face.
(display-fill-column-indicator-mode):
Add `display-fill-column-indicator-warning'.
---
lisp/display-fill-column-indicator.el | 30 ++++++++++++++++++++++++++-
1 file changed, 29 insertions(+), 1 deletion(-)
diff --git a/lisp/display-fill-column-indicator.el b/lisp/display-fill-column-indicator.el
index c55a03533bd..e2395bb1f01 100644
--- a/lisp/display-fill-column-indicator.el
+++ b/lisp/display-fill-column-indicator.el
@@ -42,6 +42,30 @@ display-fill-column-indicator
:group 'display
:link '(info-link "(emacs)Displaying Boundaries"))
+(defcustom display-fill-column-indicator-warning nil
+ "Highlight fill-column-indicator when current column is too long.
+Non-nil means highlight fill-column-indicator when current column exceeds
+`display-fill-column-indicator-column'."
+ :type 'boolean
+ :version "31.1")
+
+(defface display-fill-column-indicator-warning-face
+ '((t :inherit error :stipple nil))
+ "Face used to highlight `display-fill-column-indicator' when column is too long."
+ :version "31.1")
+
+(defun fill-indicator--set-warning ()
+ "Set the warning face for the fill column indicator."
+ (if-let* ((column (if (integerp display-fill-column-indicator-column)
+ display-fill-column-indicator-column
+ fill-column))
+ ((> (save-excursion (end-of-line) (current-column))
+ column)))
+ (progn
+ (face-remap-set-base
+ 'fill-column-indicator
+ 'display-fill-column-indicator-warning-face))
+ (face-remap-reset-base 'fill-column-indicator)))
;;;###autoload
(define-minor-mode display-fill-column-indicator-mode
@@ -68,7 +92,11 @@ display-fill-column-indicator-mode
(eq (aref (query-font (car (internal-char-font nil ?\u2502))) 0)
(face-font 'default))))
?\u2502
- ?|))))
+ ?|)))
+ (if display-fill-column-indicator-warning
+ (add-hook 'post-command-hook #'fill-indicator--set-warning nil t)))
+ (if display-fill-column-indicator-warning
+ (remove-hook 'post-command-hook #'fill-indicator--set-warning t))
(setq display-fill-column-indicator nil)))
(defun display-fill-column-indicator--turn-on ()
--
2.48.1
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bug-gnu-emacs@HIDDEN:bug#76494; Package emacs.
Full text available.Received: (at 76494) by debbugs.gnu.org; 23 Feb 2025 06:15:08 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Feb 23 01:15:08 2025 Received: from localhost ([127.0.0.1]:58953 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1tm5Gd-000143-Ta for submit <at> debbugs.gnu.org; Sun, 23 Feb 2025 01:15:08 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:52630) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1tm5Gb-0000z2-5O for 76494 <at> debbugs.gnu.org; Sun, 23 Feb 2025 01:15:06 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1tm5GV-0005mn-TO; Sun, 23 Feb 2025 01:14:59 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=weSOt42U1jSrLjkBueDv89hygD9WAtqvbM8GKVk3RB8=; b=sLnu1MZwcyYqDfEWm3F/ Wza/ZKJ3eaR7XBCVLVrwhLhH1mAgJy3iK0DTtH8a0nn+E6olt3N+D7p6urRTMKHrU821FANhWdHgH m4DE4G0ndQAnDng+f4Aspb3AFdlkhDk3Mnjgxqmgn8mhuNTAi3+uxjVEK2htAz/ZQ724tE6YhAfuN q40AndLM0M7X+fgDjMjhUU9sRnQ+r/8EW8D749TvtUObSr078akhcbq5FrqXj5o2KyvhSMkORLhIs vhAOc6TqVb+OXpYN4HuOQEqhHmzDDzkYFbh1WlJ8gPIN6fDXDX0eBHUKsX2JPs/zdcVcStWXY4NoM 2zD+gdqxFXTM6w==; Date: Sun, 23 Feb 2025 08:14:56 +0200 Message-Id: <86cyf9i3vj.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Elijah Gabe =?iso-8859-1?Q?P=E9rez?= <eg642616@HIDDEN> In-Reply-To: <87tt8lfg0h.fsf@HIDDEN> (message from Elijah Gabe =?iso-8859-1?Q?P=E9rez?= on Sat, 22 Feb 2025 22:21:02 -0600) Subject: Re: bug#76494: [PATCH] Highlight fill-column-indicator when current line is longer than `fill-column' References: <87tt8lfg0h.fsf@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 76494 Cc: 76494 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Elijah Gabe Pérez <eg642616@HIDDEN> > Date: Sat, 22 Feb 2025 22:21:02 -0600 > > This patch allow warn to user if current line exceeds > display-fill-column-indicator-column. Thanks. > When current line exceeds display-fill-column-indicator-column ... > | > (print "......................................") > | > ... fill-column indicator face will change ^ > temporarily to a noticeable face to warn the user that the current > column is getting too long. I see your change adds a post-command-hook, but when and how is that hook removed? > I also wanted to do the same for indicator character but I couldn't find > a way to implement it. What do you mean by "indicator character"? > +(defcustom display-fill-column-indicator-warning nil > + "Highlight fill-column-indicator when cursor is above `fill-column'. > +Non-nil means highlight fill-column-indicator when cursor is > +above `fill-column'." > + :type 'boolean) This lacks a :version tag. Also, what do you mean by "cursor is above `fill-column'"? The "above" part confuses me. > +(defface display-fill-column-indicator-warning-face > + '((t :inherit error :stipple nil)) > + "Face used to highlight fill-column-indicator when the line is too long.") This should also have a :version tag. And fill-column-indicator should be quoted, so that help command produce a cross-reference from it.
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From: =?utf-8?Q?Elijah_Gabe_P=C3=A9rez?= <eg642616@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: [PATCH] Highlight fill-column-indicator when current line is longer
than `fill-column'
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Content preview: Tags: patch This patch allow warn to user if current line
exceeds display-fill-column-indicator-column. When current line exceeds
display-fill-column-indicator-column
... | (print "") | ... fill-column indicator face will change ^ temporarily
to a noticeable face to [...]
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--=-=-=
Content-Type: text/plain
Tags: patch
This patch allow warn to user if current line exceeds
display-fill-column-indicator-column.
When current line exceeds display-fill-column-indicator-column ...
|
(print "......................................")
|
... fill-column indicator face will change ^
temporarily to a noticeable face to warn the user that the current
column is getting too long.
I also wanted to do the same for indicator character but I couldn't find
a way to implement it.
(I hope this feature has been understood)
--=-=-=
Content-Type: text/patch
Content-Disposition: attachment;
filename=0001-Highlight-fill-column-indicator-when-current-line-is.patch
From 4f608bb7dbb23b812284fada179a38485e660a9c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?El=C3=ADas=20Gabriel=20P=C3=A9rez?= <eg642616@HIDDEN>
Date: Sat, 22 Feb 2025 12:19:07 -0600
Subject: [PATCH] Highlight fill-column-indicator when current line is longer
than ...
... `fill-column'
* lisp/display-fill-column-indicator.el
(display-fill-column-indicator-warning): New use-option.
(display-fill-column-indicator-warning-face): New face.
(display-fill-column-indicator-mode):
Add `display-fill-column-indicator-warning'.
---
lisp/display-fill-column-indicator.el | 29 ++++++++++++++++++++++++++-
1 file changed, 28 insertions(+), 1 deletion(-)
diff --git a/lisp/display-fill-column-indicator.el b/lisp/display-fill-column-indicator.el
index c55a03533bd..ca4b51fab2a 100644
--- a/lisp/display-fill-column-indicator.el
+++ b/lisp/display-fill-column-indicator.el
@@ -42,6 +42,15 @@ display-fill-column-indicator
:group 'display
:link '(info-link "(emacs)Displaying Boundaries"))
+(defcustom display-fill-column-indicator-warning nil
+ "Highlight fill-column-indicator when cursor is above `fill-column'.
+Non-nil means highlight fill-column-indicator when cursor is
+above `fill-column'."
+ :type 'boolean)
+
+(defface display-fill-column-indicator-warning-face
+ '((t :inherit error :stipple nil))
+ "Face used to highlight fill-column-indicator when the line is too long.")
;;;###autoload
(define-minor-mode display-fill-column-indicator-mode
@@ -68,7 +77,25 @@ display-fill-column-indicator-mode
(eq (aref (query-font (car (internal-char-font nil ?\u2502))) 0)
(face-font 'default))))
?\u2502
- ?|))))
+ ?|)))
+
+ (if display-fill-column-indicator-warning
+ (add-hook
+ 'post-command-hook
+ (lambda ()
+ (if-let* ((column (if (numberp display-fill-column-indicator-column)
+ display-fill-column-indicator-column
+ fill-column))
+ ((> (save-excursion (end-of-line) (current-column))
+ column)))
+ (progn
+ (face-remap-set-base
+ 'fill-column-indicator
+ 'display-fill-column-indicator-warning-face))
+ (face-remap-reset-base 'fill-column-indicator)))
+ nil t)
+ )
+ )
(setq display-fill-column-indicator nil)))
(defun display-fill-column-indicator--turn-on ()
--
2.48.1
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Full text available.bug-gnu-emacs@HIDDEN:bug#76494; Package emacs.
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