From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings via "Emacs development discussions." Newsgroups: gmane.emacs.devel Subject: Re: feature/icomplete-vertical Date: Mon, 05 Oct 2020 11:11:28 +0000 Message-ID: References: <20200912133311.6ujtgczj6wyclufy@Ergus> <20200920130435.heye7bk73pm252km@Ergus> <83sgbczj0i.fsf@gnu.org> <83lfh4zfml.fsf@gnu.org> <838sd4z6lz.fsf@gnu.org> <20201001164804.mqqyxtet4ttweuyv@Ergus> <83blhhdy3w.fsf@gnu.org> <87d01xghmt.fsf@gmail.com> <83sgatc8er.fsf@gnu.org> <83mu11c78j.fsf@gnu.org> <87tuv9eygk.fsf@gmail.com> <83k0w5c4yt.fsf@gnu.org> Reply-To: Gregory Heytings Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset=US-ASCII Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="19150"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Alpine 2.22 (NEB 394 2020-01-19) Cc: =?ISO-8859-15?Q?Jo=E3o_T=E1vora?= , spacibba@aol.com, emacs-devel@gnu.org, casouri@gmail.com, juri@linkov.net To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Oct 05 13:13:35 2020 Return-path: Envelope-to: ged-emacs-devel@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 1kPOQw-0004qM-2h for ged-emacs-devel@m.gmane-mx.org; Mon, 05 Oct 2020 13:13:34 +0200 Original-Received: from localhost ([::1]:60274 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kPOQv-0007fK-2B for ged-emacs-devel@m.gmane-mx.org; Mon, 05 Oct 2020 07:13:33 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:45104) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kPOPA-00078v-KE for emacs-devel@gnu.org; Mon, 05 Oct 2020 07:11:44 -0400 Original-Received: from mx.sdf.org ([205.166.94.24]:60517) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kPOP6-0004MA-NP; Mon, 05 Oct 2020 07:11:44 -0400 Original-Received: from sdf.org (IDENT:ghe@otaku.sdf.org [205.166.94.8]) by mx.sdf.org (8.15.2/8.14.5) with ESMTPS id 095BBVEi020911 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits) verified NO); Mon, 5 Oct 2020 11:11:31 GMT Original-Received: (from ghe@localhost) by sdf.org (8.15.2/8.12.8/Submit) id 095BBpDE006477; Mon, 5 Oct 2020 11:11:51 GMT In-Reply-To: <83k0w5c4yt.fsf@gnu.org> Received-SPF: pass client-ip=205.166.94.24; envelope-from=ghe@sdf.org; helo=mx.sdf.org X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/05 06:53:34 X-ACL-Warn: Detected OS = ??? X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:257106 Archived-At: >> If so, is there a "canonical" way to perform these calculations that >> accounts for fontsizes, frame widths, etc? To be clear, I find this >> information useful for other domais, notably designing the way the >> Eldoc should show information in the echo area. > > Not sure what should be canonical here. AFAIU, just using > window-text-pixel-size and comparing with the window dimensions is all > that's needed. > Just calculating the window dimensions is already a nontrivial task. There are two cases: a miniwindow-only frame, and the "normal" case. In the first case you need to use frame-height, and multiply it with the pixel height of the "default" face. In the second case you can get the maximal dimensions with max-mini-window-height, and multiply it by the pixel height of the "default" face. But you cannot just multiply max-mini-window-height by that height, that would be too easy. There are again two cases: either max-mini-window-height is an integer, in which case you can just do that multiplication, or it is a floating point number, in which case you have to multiply that number by frame-height and truncate it, and multiply the resulting number by the pixel height of the "default" face...