From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#47712: 27.1; Provide `string-display-width` function, which takes properties into account, `substring-width` Date: Tue, 13 Apr 2021 15:23:22 +0300 Message-ID: <83r1je1ih1.fsf@gnu.org> References: <642c8a37-31c7-2723-12af-06cd7f120c2f@daniel-mendler.de> <83r1jg2q72.fsf@gnu.org> <83lf9n3d7x.fsf@gnu.org> <1c8f7066-3da2-d960-11e7-a42f567432bd@daniel-mendler.de> <83im4r3agk.fsf@gnu.org> <83czuz39jw.fsf@gnu.org> <83blaj37yi.fsf@gnu.org> <83a6q33753.fsf@gnu.org> <23ea6bd4-8d2d-51cc-b1f7-58eb7316d5d3@daniel-mendler.de> <835z0r308u.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="12365"; mail-complaints-to="usenet@ciao.gmane.io" Cc: mail@daniel-mendler.de, 47712@debbugs.gnu.org To: martin rudalics Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Apr 13 14:25:30 2021 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 1lWI6k-00038n-BU for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 13 Apr 2021 14:25:30 +0200 Original-Received: from localhost ([::1]:35654 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lWI6j-00045t-DZ for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 13 Apr 2021 08:25:29 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:52616) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lWI5L-0003VH-24 for bug-gnu-emacs@gnu.org; Tue, 13 Apr 2021 08:24:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:47598) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lWI5K-000500-91 for bug-gnu-emacs@gnu.org; Tue, 13 Apr 2021 08:24:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lWI5K-0002XV-4P for bug-gnu-emacs@gnu.org; Tue, 13 Apr 2021 08:24:02 -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, 13 Apr 2021 12:24:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 47712 X-GNU-PR-Package: emacs Original-Received: via spool by 47712-submit@debbugs.gnu.org id=B47712.16183166239734 (code B ref 47712); Tue, 13 Apr 2021 12:24:02 +0000 Original-Received: (at 47712) by debbugs.gnu.org; 13 Apr 2021 12:23:43 +0000 Original-Received: from localhost ([127.0.0.1]:59144 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lWI50-0002Ww-PL for submit@debbugs.gnu.org; Tue, 13 Apr 2021 08:23:42 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:39926) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lWI4y-0002Wh-6Y for 47712@debbugs.gnu.org; Tue, 13 Apr 2021 08:23:40 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:48511) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lWI4s-0004lz-FZ; Tue, 13 Apr 2021 08:23:34 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:4397 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1lWI4r-00069h-Qy; Tue, 13 Apr 2021 08:23:34 -0400 In-Reply-To: (message from martin rudalics on Tue, 13 Apr 2021 09:06:06 +0200) 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:203958 Archived-At: > Cc: 47712@debbugs.gnu.org > From: martin rudalics > Date: Tue, 13 Apr 2021 09:06:06 +0200 > > (defun string-pixel-width (string) > (let ((buffer (get-buffer-create "*foo*")) > (old-buffer (window-buffer))) > (with-current-buffer buffer > (erase-buffer) > (insert string) > (set-window-buffer (selected-window) buffer) > (prog1 > (window-text-pixel-size nil (point-min) (point-max)) > (set-window-buffer (selected-window) old-buffer))))) Thanks. This produces correct results, and takes 35-37 usec per call here.