From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: =?UTF-8?Q?Cl=c3=a9ment_Pit-Claudel?= Newsgroups: gmane.emacs.devel Subject: Re: Variable-width font indentation Date: Tue, 6 Mar 2018 14:50:42 -0500 Message-ID: References: <87inaiss6l.fsf@web.de> <6FCF6ACA-4F29-4B6B-BE9D-D7130C6E9495@gnu.org> <87fu5moe4c.fsf@web.de> <877eqyocro.fsf@web.de> <83zi3uz4nb.fsf@gnu.org> <0b1dd3fa-e0b0-ed20-a256-dd92d1c1826f@dancol.org> <8bc3c4c7-dfc7-987a-95e7-bd309e2326c6@cs.ucla.edu> <03118DC0-39DA-4AB5-980E-A33809B9A5EE@raeburn.org> <83vaeas8uz.fsf@gnu.org> <83lgf6s3aa.fsf@gnu.org> <8b94336f-1bb4-84ab-263b-af5ba40bfca4@cs.ucla.edu> <673d6612-f0d4-5d34-c6ee-a276dbba3068@cs.ucla.edu> <087fdedd-a7c5-f7f6-f3a5-b1700fb6e516@gmail.com> <1ebcaf39-fc03-b178-d45b-e99bf3e94172@cs.ucla.edu> <428aac15-f216-61ea-3d28-7211e7fc8cfd@gmail.com> <83371drw0g.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1520365749 9422 195.159.176.226 (6 Mar 2018 19:49:09 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 6 Mar 2018 19:49:09 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 Cc: eggert@cs.ucla.edu, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Mar 06 20:49:05 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1etIa0-0000yJ-IS for ged-emacs-devel@m.gmane.org; Tue, 06 Mar 2018 20:48:56 +0100 Original-Received: from localhost ([::1]:57814 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1etIc2-00011x-TG for ged-emacs-devel@m.gmane.org; Tue, 06 Mar 2018 14:51:02 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60406) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1etIbt-00010q-7j for emacs-devel@gnu.org; Tue, 06 Mar 2018 14:50:54 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1etIbq-0003sq-5J for emacs-devel@gnu.org; Tue, 06 Mar 2018 14:50:53 -0500 Original-Received: from mail-io0-x22e.google.com ([2607:f8b0:4001:c06::22e]:36456) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1etIbq-0003sh-0i; Tue, 06 Mar 2018 14:50:50 -0500 Original-Received: by mail-io0-x22e.google.com with SMTP id e30so309532ioc.3; Tue, 06 Mar 2018 11:50:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=0uMYgBjqxLBl8fSZDorzxt+/HcjkPDexEtJ5CeSQK5g=; b=RK6N+u6rxyoQaFudC/Lc+6r2wNCsWd5ty2Exrq/7yXLVfR1ChdnINbh4+tZUfH4xPw 8t+5ZYIxK/mM6SXucwCvCyJcXvdeu5ZGh8gByAx5hLBUVOY6/lsFn278BSTEpLVE03oU qM9QfbSInJrUlz0fX5C51HmGe97xEUe+KPbGvNMd8udMfu90y/B4Td370IuTl6pKFSWb OFr09OUlATjHfKcTGBre+eiks5YTa+YvGS9Tk51tUhYICabCAYlcmSiboTlUX7SnqX6F pBeWK9GsTb8QjE4qi8kq7kGRDQbRb+6DiEdhBwrInUAd/W/niDpPtTwA5Sl7apdyRJB0 jMJg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=0uMYgBjqxLBl8fSZDorzxt+/HcjkPDexEtJ5CeSQK5g=; b=Xt8Njy8NS/5/kCekIuPlnbZv9+voaU9we95ybSWxcvYNsS3557ZyINv5ChBs7HclUw 5GNQRI0bscbquQAsfIc4IP0Mn12VFbrETfuVkEjkkT2wbCC1+/Nb/KbXFwEyoUkq19sz R7I1ioGN+2P/Y0COvc5/Y6caJtsrf4ui3UK14niFJC/bw0e5rCr4xDorCzpMYY6GxL4B OeSdNwy+RcNdR0Zy3yTgozztvXQhZRntoLI6PIfuN7NTFuSh/2J8xEW2I83XwAojTP6P f0ZQBhAwtem7h7qOwj+84h/DPjQyITXtRz+edDxyYMWwdWfQqT9PmIkWhEtR8RyysP6p V1mg== X-Gm-Message-State: APf1xPDQ99cYG8aMhiTI0iZj/Pz+TiP8PYStEoNmlGM3kfau9KbhdaRF oiSywTvxO1hlYEH4qfSUxfgixCbq X-Google-Smtp-Source: AG47ELuceV5orxIuEB7bsMQs04yoMT5OSCLwc5rLj8TummaIWUj3ApPxVxVTCh8CnNaInyDQJ41y5w== X-Received: by 10.107.153.79 with SMTP id b76mr22907400ioe.192.1520365849112; Tue, 06 Mar 2018 11:50:49 -0800 (PST) Original-Received: from [18.26.2.123] (26-2-123.dynamic.csail.mit.edu. [18.26.2.123]) by smtp.gmail.com with ESMTPSA id i76sm7190464itf.4.2018.03.06.11.50.48 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 06 Mar 2018 11:50:48 -0800 (PST) In-Reply-To: <83371drw0g.fsf@gnu.org> Content-Language: en-GB X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4001:c06::22e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:223360 Archived-At: On 2018-03-06 11:47, Eli Zaretskii wrote: > What do you mean by "measuring the string"? Calculating its width? Correct. > In your implementation you used 'length', which is definitely not TRT, > especially with variable-width fonts. I think you misread the implementation :) But I'm not sure which part caused confusion, so I'm not sure what to explain. > And I still think that for programming modes, what we need is to > substitute tab-width and column by suitably computed number of pixels, > perhaps derived from the width of some character. Other than that, > the indentation code should "just work", as long as it uses :align-to > to get to a given pixel coordinate. I don't understand this part :/