From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: How to set margins of buffer when window changes? Date: Wed, 08 Sep 2021 21:41:35 +0200 Message-ID: <8735qeyhw0.fsf@zoho.eu> References: <20210908171222.Horde.S37YI7HmNoomvQZ1iZ9ma5I@www.vfemail.net> <87ee9yyj0e.fsf@zoho.eu> <877dfqyiir.fsf@zoho.eu> Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31962"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:jAOK7UdWYDrMwS5JvlHCfbNF6ww= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Wed Sep 08 21:42:31 2021 Return-path: Envelope-to: geh-help-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 1mO3So-00083b-Ko for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 08 Sep 2021 21:42:30 +0200 Original-Received: from localhost ([::1]:51616 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mO3Sm-00071u-Gl for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 08 Sep 2021 15:42:28 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:58840) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mO3S8-00071j-DZ for help-gnu-emacs@gnu.org; Wed, 08 Sep 2021 15:41:48 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:52148) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mO3S7-0008Lo-0H for help-gnu-emacs@gnu.org; Wed, 08 Sep 2021 15:41:48 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1mO3S4-0007Ap-SF for help-gnu-emacs@gnu.org; Wed, 08 Sep 2021 21:41:44 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:132965 Archived-At: > (when width > (fill-column) ) Heh, I'm completely confused today, you will have to read what I *think*, not what I type ... it should be `or'! (or width fill-column) Anyway here is the complete, fixed function. I don't know if the computation is correct (I didn't change that) but it is a good starting point ... Note that I renamed it! (defun center-text-with-margins (&optional window width) (let ((win (or window (selected-window))) (wid (or width fill-column) )) (let*((space (max 0 (- (window-total-width) wid))) (left (floor (/ space 2))) (right (- space left)) ) (set-window-margins win left right) (set-window-buffer win (current-buffer)) ))) -- underground experts united https://dataswamp.org/~incal