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Subject: bug#1503: feature request: multiline header (and mode) lines
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Date: Fri, 5 Dec 2008 22:43:18 -0800
From: "Peter Mao" <peter.mao@HIDDEN>
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I realize this requires tweaking of the C-code, but I'm not awesome
enough to do it myself:
Can emacs be given the gift of a header-line that word wraps, so that
the header can be more than one line tall? I imagine the same could
go for the mode line, but I don't have a clear need for that right
now. I know that the fringes can occupy > 1 column, so it seems like
an oversight if the header and mode lines are restricted to 1 line.
I've written a minor mode for reading/sorting physics abstracts from
the physics arXiv. The mode either lists subdirectories directly
under the current directory, or recursively lists all subdirectories
of the pwd. Either way, the list could potentially be longer than the
width of the screen, making some directory names unviewable. A
multiline header would make it perfect.
I thought of putting that text in the buffer, but that makes it much
harder to update the text.
Peter Mao
Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.420 (Entity 5.420) Content-Type: text/plain; charset=utf-8 X-Loop: don@HIDDEN From: help-debbugs@HIDDEN (Emacs bug Tracking System) To: "Peter Mao" <peter.mao@HIDDEN> Subject: bug#1503: Acknowledgement (feature request: multiline header (and mode) lines) Message-ID: <handler.1503.B.12285458062501.ack@HIDDEN> References: <6da7452a0812052243h34c713b9qf0ee659251d71764@HIDDEN> X-Emacs-PR-Message: ack 1503 X-Emacs-PR-Package: emacs Reply-To: 1503 <at> debbugs.gnu.org Thank you for filing a new bug report with Emacs. This is an automatically generated reply to let you know your message has been received. Your message is being forwarded to the package maintainers and other interested parties for their attention; they will reply in due course. Your message has been sent to the package maintainer(s): Emacs Bugs <bug-gnu-emacs@HIDDEN> If you wish to submit further information on this problem, please send it to 1503 <at> debbugs.gnu.org, as before. Please do not send mail to help-debbugs@HIDDEN unless you wish to report a problem with the Bug-tracking system. --=20 1503: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D1503 Emacs Bug Tracking System Contact help-debbugs@HIDDEN with problems
X-Loop: don@HIDDEN
Subject: bug#1503: feature request: multiline header (and mode) lines
Reply-To: martin rudalics <rudalics@HIDDEN>, 1503 <at> debbugs.gnu.org
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Date: Sat, 06 Dec 2008 11:49:10 +0100
From: martin rudalics <rudalics@HIDDEN>
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> Can emacs be given the gift of a header-line that word wraps, so that
> the header can be more than one line tall? I imagine the same could
> go for the mode line, but I don't have a clear need for that right
> now. I know that the fringes can occupy > 1 column, so it seems like
> an oversight if the header and mode lines are restricted to 1 line.
>
> I've written a minor mode for reading/sorting physics abstracts from
> the physics arXiv. The mode either lists subdirectories directly
> under the current directory, or recursively lists all subdirectories
> of the pwd. Either way, the list could potentially be longer than the
> width of the screen, making some directory names unviewable. A
> multiline header would make it perfect.
>
> I thought of putting that text in the buffer, but that makes it much
> harder to update the text.
At the moment, we can't do that because the fact that a header-line
occupies exactly one line of text is hardwired into many lower-level
primitives. In principle, what you want could be accomplished by the
routines below, but this will certainly have wrinkles (Emacs is not
really good at handling zero-length overlays).
martin
(defvar my-overlay (make-overlay (point-min) (point-min)))
(defun my-move (window start)
(move-overlay my-overlay start start))
(add-hook 'window-scroll-functions 'my-move nil t)
(defun my-text (text)
(overlay-put
my-overlay 'before-string (propertize text 'face 'header-line)))
(my-text "a first line\nand another one\nand a third one\n")
Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.420 (Entity 5.420) Content-Type: text/plain; charset=utf-8 X-Loop: don@HIDDEN From: help-debbugs@HIDDEN (Emacs bug Tracking System) To: martin rudalics <rudalics@HIDDEN> Subject: bug#1503: Info received (bug#1503: feature request: multiline header (and mode) lines) Message-ID: <handler.1503.B1503.1228560686609.ackinfo@HIDDEN> References: <493A58A6.6090508@HIDDEN> X-Emacs-PR-Message: ack-info 1503 X-Emacs-PR-Package: emacs Reply-To: 1503 <at> debbugs.gnu.org Thank you for the additional information you have supplied regarding this bug report. This is an automatically generated reply to let you know your message has been received. Your message is being forwarded to the package maintainers and other interested parties for their attention; they will reply in due course. Your message has been sent to the package maintainer(s): Emacs Bugs <bug-gnu-emacs@HIDDEN> If you wish to submit further information on this problem, please send it to 1503 <at> debbugs.gnu.org, as before. Please do not send mail to help-debbugs@HIDDEN unless you wish to report a problem with the Bug-tracking system. --=20 1503: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D1503 Emacs Bug Tracking System Contact help-debbugs@HIDDEN with problems
Received: (at unknown) by unknown; unknown X-Spam-Checker-Version: SpamAssassin 3.2.3-bugs.debian.org_2005_01_02 (2007-08-08) on rzlab.ucr.edu X-Spam-Level: X-Spam-Status: No, score=-8.3 required=4.0 tests=AWL,BAYES_00,MISSING_SUBJECT, NOSUBJECT,RCVD_IN_DNSWL_MED,VALID_BTS_CONTROL autolearn=ham version=3.2.3-bugs.debian.org_2005_01_02 Received: (at control) by emacsbugs.donarmstrong.com; 6 Dec 2008 19:11:51 +0000 Received: from fencepost.gnu.org (fencepost.gnu.org [140.186.70.10]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with ESMTP id mB6JBmUx030905 for <control@HIDDEN>; Sat, 6 Dec 2008 11:11:50 -0800 Received: from rgm by fencepost.gnu.org with local (Exim 4.67) (envelope-from <rgm@HIDDEN>) id 1L92Yd-00083Q-BJ; Sat, 06 Dec 2008 14:11:15 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <18746.52819.140397.380680@HIDDEN> Date: Sat, 6 Dec 2008 14:11:15 -0500 From: Glenn Morris <rgm@HIDDEN> To: control <control <at> debbugs.gnu.org> reassign 1500 emacs,ns severity 1503 wishlist
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Subject: bug#1503: feature request: multiline header (and mode) lines
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From: Stefan Kangas <stefan@HIDDEN>
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Dec 2008 11:49:10 +0100")
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martin rudalics <rudalics@HIDDEN> writes:
>> Can emacs be given the gift of a header-line that word wraps, so that
>> the header can be more than one line tall? I imagine the same could
>> go for the mode line, but I don't have a clear need for that right
>> now. I know that the fringes can occupy > 1 column, so it seems like
>> an oversight if the header and mode lines are restricted to 1 line.
>>
>> I've written a minor mode for reading/sorting physics abstracts from
>> the physics arXiv. The mode either lists subdirectories directly
>> under the current directory, or recursively lists all subdirectories
>> of the pwd. Either way, the list could potentially be longer than the
>> width of the screen, making some directory names unviewable. A
>> multiline header would make it perfect.
>>
>> I thought of putting that text in the buffer, but that makes it much
>> harder to update the text.
>
> At the moment, we can't do that because the fact that a header-line
> occupies exactly one line of text is hardwired into many lower-level
> primitives.
Could those primitives be changed to support this use-case?
I'm not very interested in a multi-line mode-line myself, but I can see
many uses for a multi-line header line.
X-Loop: help-debbugs@HIDDEN
Subject: bug#1503: feature request: multiline header (and mode) lines
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> From: Stefan Kangas <stefan@HIDDEN>
> Date: Wed, 20 Oct 2021 08:53:45 -0700
> Cc: 1503 <at> debbugs.gnu.org
>
> >> I thought of putting that text in the buffer, but that makes it much
> >> harder to update the text.
> >
> > At the moment, we can't do that because the fact that a header-line
> > occupies exactly one line of text is hardwired into many lower-level
> > primitives.
>
> Could those primitives be changed to support this use-case?
Of course. It's just a lot of work, and will probably have a long
tail (because many places assume that without stating the assumption
clearly enough for you to catch it).
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997 nCipher Corporation Ltd,
1994-97 Ian Jackson.