From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#37858: 27.0.50; Ensure a minimum width for `space` display prop Date: Tue, 22 Oct 2019 18:08:43 +0300 Message-ID: <837e4w24xw.fsf@gnu.org> References: Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="164594"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 37858@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Oct 22 17:09:12 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iMvmY-000gcp-H4 for geb-bug-gnu-emacs@m.gmane.org; Tue, 22 Oct 2019 17:09:10 +0200 Original-Received: from localhost ([::1]:60610 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iMvmX-0001Hh-22 for geb-bug-gnu-emacs@m.gmane.org; Tue, 22 Oct 2019 11:09:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:53992) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iMvmR-0001HX-GF for bug-gnu-emacs@gnu.org; Tue, 22 Oct 2019 11:09:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iMvmQ-0000Ra-G9 for bug-gnu-emacs@gnu.org; Tue, 22 Oct 2019 11:09:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:51493) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iMvmQ-0000R0-Da for bug-gnu-emacs@gnu.org; Tue, 22 Oct 2019 11:09:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iMvmQ-0005t7-4E for bug-gnu-emacs@gnu.org; Tue, 22 Oct 2019 11:09:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 22 Oct 2019 15:09:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 37858 X-GNU-PR-Package: emacs Original-Received: via spool by 37858-submit@debbugs.gnu.org id=B37858.157175693622622 (code B ref 37858); Tue, 22 Oct 2019 15:09:02 +0000 Original-Received: (at 37858) by debbugs.gnu.org; 22 Oct 2019 15:08:56 +0000 Original-Received: from localhost ([127.0.0.1]:60314 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iMvmK-0005sn-Be for submit@debbugs.gnu.org; Tue, 22 Oct 2019 11:08:56 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:44866) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iMvmI-0005sa-Dr for 37858@debbugs.gnu.org; Tue, 22 Oct 2019 11:08:54 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:58458) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1iMvmD-00008b-5c; Tue, 22 Oct 2019 11:08:49 -0400 Original-Received: from [176.228.60.248] (port=4171 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1iMvmC-0005zI-BK; Tue, 22 Oct 2019 11:08:48 -0400 In-reply-to: (message from Stefan Monnier on Mon, 21 Oct 2019 16:03:58 -0400) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:169985 Archived-At: > From: Stefan Monnier > Date: Mon, 21 Oct 2019 16:03:58 -0400 > > So, I'd like to extend our `space` specifications so as to be able to > specify a minimum width. I came up with the patch below which lets you > write: > > (space :align-to FOO :min-width BAR) > > which seems to work fine, but while trying to update the Elisp doc for > it I realized that maybe a better option is to extend the acceptable > forms for FOO so it can be of the form: > > (space :align-to (max FOO (+ BAR current-x))) Since :align-to already supports expressions of the forms described in the node "Pixel Specification", to have the latter you'd need: . implement a new OP called 'max' (and probably also 'min' for a good measure); . implement a new POS called, say, 'beg', which will evaluate to the x coordinate of where the space display property begins and then you will have your feature for free, I think.