From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Kangas Newsgroups: gmane.emacs.bugs Subject: bug#19905: Provide support for truncation in column data Date: Mon, 23 Nov 2020 09:04:24 -0500 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="39744"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 19905@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Nov 23 15:05:11 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1khCSs-000ACb-Hv for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 23 Nov 2020 15:05:10 +0100 Original-Received: from localhost ([::1]:46134 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1khCSr-0000eg-JP for geb-bug-gnu-emacs@m.gmane-mx.org; 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Mon, 23 Nov 2020 06:04:25 -0800 (PST) Original-Received: from 753933720722 named unknown by gmailapi.google.com with HTTPREST; Mon, 23 Nov 2020 09:04:24 -0500 In-Reply-To: (Stefan Monnier's message of "Thu, 19 Feb 2015 13:40:44 -0500") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:193913 Archived-At: Stefan Monnier writes: > There should be a `display' property (call it :truncate-at) to make it > possible to indicate that the covered text should be truncated (with > the rest replaced by an ellipsis or something like that) so as not to go > past some particular position. > > This could then be used in things like tabulated-list-mode to get > properly aligned columns even when using proportional fonts. > > Most/all the uses I can think of would combine this :truncate-at with > an :align-to, so maybe a combined :truncate-or-align would be even > better, tho usually the two positions aren't equal (we usually want to > preserve a bit of space between the columns). See also my recently reported Bug#44315: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=44315 My proposal is similar, but different. I'm not sure which would produce the best results in practice for tabulated-list-mode.