From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#19194: 24.4.50; `window-body-width' is not dynamic relative to font size changes Date: Fri, 28 Nov 2014 21:20:05 +0200 Message-ID: <83y4qvku8q.fsf@gnu.org> References: <87h9xm6plp.fsf@gmail.com> <5476F298.5000205@gmx.at> <87ppc8rk08.fsf@gmail.com> <54776EED.9090303@gmx.at> <83y4qwmq66.fsf@gnu.org> <54778275.1090007@gmx.at> <83tx1kml24.fsf@gnu.org> <54782441.3030600@gmx.at> <83h9xjn1zz.fsf@gnu.org> <5478C11C.6050207@gmx.at> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1417202485 26118 80.91.229.3 (28 Nov 2014 19:21:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 28 Nov 2014 19:21:25 +0000 (UTC) Cc: holtzermann17@gmail.com, 19194@debbugs.gnu.org To: martin rudalics Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Nov 28 20:21:18 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XuR6T-0005Bg-UX for geb-bug-gnu-emacs@m.gmane.org; Fri, 28 Nov 2014 20:21:18 +0100 Original-Received: from localhost ([::1]:45628 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XuR6T-0006NG-9l for geb-bug-gnu-emacs@m.gmane.org; Fri, 28 Nov 2014 14:21:17 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46852) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XuR6L-0006Jv-3L for bug-gnu-emacs@gnu.org; Fri, 28 Nov 2014 14:21:15 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XuR6F-0000nC-UA for bug-gnu-emacs@gnu.org; Fri, 28 Nov 2014 14:21:09 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:51457) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XuR6F-0000n8-RG for bug-gnu-emacs@gnu.org; Fri, 28 Nov 2014 14:21:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XuR6F-0002uS-Jy for bug-gnu-emacs@gnu.org; Fri, 28 Nov 2014 14:21:03 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 28 Nov 2014 19:21:03 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 19194 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 19194-submit@debbugs.gnu.org id=B19194.141720240911074 (code B ref 19194); Fri, 28 Nov 2014 19:21:03 +0000 Original-Received: (at 19194) by debbugs.gnu.org; 28 Nov 2014 19:20:09 +0000 Original-Received: from localhost ([127.0.0.1]:48665 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XuR5M-0002sX-Od for submit@debbugs.gnu.org; Fri, 28 Nov 2014 14:20:09 -0500 Original-Received: from mtaout29.012.net.il ([80.179.55.185]:41321) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XuR5J-0002sN-J2 for 19194@debbugs.gnu.org; Fri, 28 Nov 2014 14:20:07 -0500 Original-Received: from conversion-daemon.mtaout29.012.net.il by mtaout29.012.net.il (HyperSendmail v2007.08) id <0NFR00O00JUJM200@mtaout29.012.net.il> for 19194@debbugs.gnu.org; Fri, 28 Nov 2014 21:17:59 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by mtaout29.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NFR00J2RK9ZT260@mtaout29.012.net.il>; Fri, 28 Nov 2014 21:17:59 +0200 (IST) In-reply-to: <5478C11C.6050207@gmx.at> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:96709 Archived-At: > Date: Fri, 28 Nov 2014 19:38:20 +0100 > From: martin rudalics > CC: holtzermann17@gmail.com, 19194@debbugs.gnu.org > > >> That's what I'm trying to fathom out here all the time. So when > >> calculating the actual height of a character as it will be displayed in > >> a window I have to apply (in some order) the height attribute specified > >> by (1) the font of the frame the window belongs to, (2) the font of the > >> buffer shown in the window, and (3) the font of the default face. > > > > We always use the current default face's font for this. Otherwise, > > you get to a problem that IMO is insoluble even in principle. > > But doesn't that imply that `frame-char-height' is just an artifact? It's useful for dealing with measures in canonical character units. > >> OK. Now how do I get the `default-font-width' from that? > > > > You need help from Emacs, because it knows everything about that > > font's metrics. But we don't have an API for that for now. > > I see. Can you provide one? Added to my todo.