Received: (at 1503) by debbugs.gnu.org; 20 Oct 2021 16:46:00 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Oct 20 12:45:59 2021 Received: from localhost ([127.0.0.1]:55340 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1mdEj1-0005qS-G7 for submit <at> debbugs.gnu.org; Wed, 20 Oct 2021 12:45:59 -0400 Received: from eggs.gnu.org ([209.51.188.92]:51698) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1mdEiy-0005jm-LO for 1503 <at> debbugs.gnu.org; Wed, 20 Oct 2021 12:45:57 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:47484) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1mdEit-00069p-6s; Wed, 20 Oct 2021 12:45:51 -0400 Received: from [87.69.77.57] (port=2709 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1mdEis-0001lf-Jy; Wed, 20 Oct 2021 12:45:50 -0400 Date: Wed, 20 Oct 2021 19:46:03 +0300 Message-Id: <83tuhbablg.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Stefan Kangas <stefan@HIDDEN> In-Reply-To: <CADwFkmkCnq6U66h_BvtyOfxV73_i33rA+z_-LD0TyKsVgzPQXQ@HIDDEN> (message from Stefan Kangas on Wed, 20 Oct 2021 08:53:45 -0700) Subject: Re: bug#1503: feature request: multiline header (and mode) lines References: <6da7452a0812052243h34c713b9qf0ee659251d71764@HIDDEN> <493A58A6.6090508@HIDDEN> <CADwFkmkCnq6U66h_BvtyOfxV73_i33rA+z_-LD0TyKsVgzPQXQ@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 1503 Cc: rudalics@HIDDEN, 1503 <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: 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).
bug-gnu-emacs@HIDDEN:bug#1503; Package emacs.
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bug-gnu-emacs@HIDDEN:bug#1503; Package emacs.
Full text available.Glenn Morris <rgm@HIDDEN>
to control@HIDDEN.
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Subject: Re: bug#1503: feature request: multiline header (and mode) lines
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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")
martin rudalics <rudalics@HIDDEN>:Emacs Bugs <bug-gnu-emacs@HIDDEN>.
Full text available.bug-submit-list@HIDDEN, Emacs Bugs <bug-gnu-emacs@HIDDEN>:bug#1503; Package emacs.
Full text available.
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Date: Fri, 5 Dec 2008 22:43:18 -0800
From: "Peter Mao" <peter.mao@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: feature request: multiline header (and mode) lines
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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
"Peter Mao" <peter.mao@HIDDEN>:Emacs Bugs <bug-gnu-emacs@HIDDEN>.
Full text available.bug-submit-list@HIDDEN, Emacs Bugs <bug-gnu-emacs@HIDDEN>:bug#1503; Package emacs.
Full text available.
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