From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.bugs Subject: bug#6000: describe-text-sexp does not know window-width Date: Wed, 02 Jul 2014 02:37:10 +0300 Organization: JURTA Message-ID: <87simkaazt.fsf@mail.jurta.org> References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1404260382 28643 80.91.229.3 (2 Jul 2014 00:19:42 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 2 Jul 2014 00:19:42 +0000 (UTC) Cc: 6000@debbugs.gnu.org To: Lennart Borgman Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jul 02 02:19:34 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 1X28Gk-0008Ch-4x for geb-bug-gnu-emacs@m.gmane.org; Wed, 02 Jul 2014 02:19:26 +0200 Original-Received: from localhost ([::1]:50477 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X28Gj-0004Hv-O2 for geb-bug-gnu-emacs@m.gmane.org; Tue, 01 Jul 2014 20:19:25 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:53620) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X28GY-0004CT-3E for bug-gnu-emacs@gnu.org; Tue, 01 Jul 2014 20:19:21 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X28GN-0001vo-D2 for bug-gnu-emacs@gnu.org; Tue, 01 Jul 2014 20:19:14 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:48566) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X28GN-0001vg-9T for bug-gnu-emacs@gnu.org; Tue, 01 Jul 2014 20:19:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1X28GM-0004Am-Vm for bug-gnu-emacs@gnu.org; Tue, 01 Jul 2014 20:19:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Juri Linkov Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 02 Jul 2014 00:19:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 6000 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 6000-submit@debbugs.gnu.org id=B6000.140426030715965 (code B ref 6000); Wed, 02 Jul 2014 00:19:02 +0000 Original-Received: (at 6000) by debbugs.gnu.org; 2 Jul 2014 00:18:27 +0000 Original-Received: from localhost ([127.0.0.1]:39711 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1X28Fn-00049R-Fl for submit@debbugs.gnu.org; Tue, 01 Jul 2014 20:18:27 -0400 Original-Received: from alc-vshost7.dreamhost.com ([69.163.216.107]:58537 helo=ps18281.dreamhostps.com) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1X28Fk-00049H-VY for 6000@debbugs.gnu.org; Tue, 01 Jul 2014 20:18:25 -0400 Original-Received: from localhost.jurta.org (ps18281.dreamhostps.com [69.163.222.226]) by ps18281.dreamhostps.com (Postfix) with ESMTP id BBDBE348328E39; Tue, 1 Jul 2014 17:18:18 -0700 (PDT) In-Reply-To: (Lennart Borgman's message of "Thu, 22 Apr 2010 14:15:26 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (x86_64-pc-linux-gnu) 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:91072 Archived-At: > In describe-text-sexp there is a call to window-width. I believe this > gives unreliable results because the help-window might not be select > at that point always. > > This shows up in the display of (what-cursor-position t) where the > sexp are sometimes unnecessary hidden behind "[Show]". > > A possible good enough cure is to surround the call to window-width > with something like this > > (with-selected-window (or (get-buffer-window "*Help*") (selected-window)) > (window-width)) Martin referred to this bug report from bug#17831, and I noticed that instead of hard-coding the "*Help*" buffer name, better would be to use (current-buffer) because the formatted buffer is current: (- (if (window-live-p (get-buffer-window (current-buffer) t)) (with-selected-window (get-buffer-window (current-buffer) t) (window-width)) (window-width)) (current-column))