From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.devel Subject: Re: Scrolling commands and skipping redisplay, was: Re: emacs rendering comparisson between emacs23 and emacs26.3 Date: Sun, 12 Apr 2020 06:07:17 +0300 Message-ID: <6eec7f68-770e-b3b1-4627-6222f3ef7216@yandex.ru> References: <20200403174757.GA8266@ACM> <20200404104553.GA5329@ACM> <07fe3b69-3ab2-3173-0696-cb17809e2b91@gmx.at> <83blo7v68b.fsf@gnu.org> <1845d7aa-9ae4-3d95-6a30-c7b1d8d8adec@gmx.at> <83a73qt6zs.fsf@gnu.org> <97c4254e-ff43-8402-3645-f713c408c245@gmx.at> <83y2r9syby.fsf@gnu.org> <20200405195753.GG5049@ACM> <542b48ba-4dfa-820f-ba50-4b147ab6d8e2@yandex.ru> <0a5f70aa-4985-8f8d-81d6-6ac4a60a94f9@yandex.ru> <838sj8sphk.fsf@gnu.org> <834ktwsmfw.fsf@gnu.org> <83imibqsmm.fsf@gnu.org> <478c2aab-a5fc-61c2-02e2-2d9846b95273@yandex.ru> <83v9m9nltx.fsf@gnu.org> <83tv1rn8fx.fsf@gnu.org> <4f8bb277-b376-97bf-8539-799688d8e66d@yandex.ru> <83eesvmj15.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="47269"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 Cc: acm@muc.de, rrandresf@gmail.com, emacs-devel@gnu.org, rms@gnu.org, rudalics@gmx.at To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Apr 12 05:08:04 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 1jNSya-000CD6-7g for ged-emacs-devel@m.gmane-mx.org; Sun, 12 Apr 2020 05:08:04 +0200 Original-Received: from localhost ([::1]:58360 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jNSyZ-00066x-AY for ged-emacs-devel@m.gmane-mx.org; Sat, 11 Apr 2020 23:08:03 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49473) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jNSxu-0005h8-6F for emacs-devel@gnu.org; Sat, 11 Apr 2020 23:07:23 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jNSxt-0001D8-58 for emacs-devel@gnu.org; Sat, 11 Apr 2020 23:07:22 -0400 Original-Received: from mail-wm1-x344.google.com ([2a00:1450:4864:20::344]:52959) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jNSxs-0001Cw-VC; Sat, 11 Apr 2020 23:07:21 -0400 Original-Received: by mail-wm1-x344.google.com with SMTP id o81so767944wmo.2; Sat, 11 Apr 2020 20:07:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=+qbmvEy1A29Yg4GOGQTYF2FbTgYk5+jsd4MctP/Gsls=; b=RjFAA8TDSCDqYz48v8AIZ4LPxrO2J3gBvuC+mjbA3KLSpBZaeFCTTgB7K0f/L7tfNH smyJ1mZksXHP4Z6FiLHBJHIZMvXMRXQ+z6cIiepgw0U3HF6xZsGe77oNHC5LQ91nfjV2 VkK6tgjdvFzZS8uv+DmkA5TMl1vSjLGlGiY6fsVIoS2Fnrj0cAkajAOHpAGwSrDpn3cx BXK+MBWpa8+CT/IQ+f0U4i9lT7fUI/MoKVEZgYFTKxN8UMyEhPXtH+XppopoPVUQDFkr a07P6oxtBsWTsYQO9yyM2dZpcH+VSXzJUPCo17yXzn2iKQ8qHG/0INu/R5VF3XLVT0fv YowQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:to:cc:references:from:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=+qbmvEy1A29Yg4GOGQTYF2FbTgYk5+jsd4MctP/Gsls=; b=Be+ccPcOzOlnkC33rDCWj0FWEP6lKFh7M2mDbcnUEpGjgiBEWo7hehU6UKD/g7MJCx wTIRzKIz3Ua6n0WQ7P+LEaE6yVN/O2bP+6S1kjV57YBtaSGAbqLb+mf1EcFQx/0OXpEh 2pv8528ka1t3k5VMvQF4mbbtuRzRB+uwX0CkCMreu7pKie1EaZ/AIrNSAqluDFe4HtB/ rMvAcDYw+hVb6P1qBIYKRsCiqEDRNOf7FgB8mTok9QS8Y1D0HBX1YhcFgXWL1c6n+xUS FdrO1o2lGAVcX4rMyolk31/EZd9Sg4aytUfutGTosGHicU2cqQpo5zGjzBEZp3h5Y7EP WTNw== X-Gm-Message-State: AGi0Pua5Xikyg0ACe800rNQJZroaGL/T0ROCvux0adeX5tv9mic+aFT/ aM4bSDnMdsfOYtKlsHTbVznk0YCw8LE= X-Google-Smtp-Source: APiQypLT3Kc3loDgxsvoAH4h+cCoWplAf66/oH8cYnxJBeCfl/7Abv0L9aEy4cpuKYitePRphBn3/A== X-Received: by 2002:a1c:9ad7:: with SMTP id c206mr12122959wme.48.1586660839495; Sat, 11 Apr 2020 20:07:19 -0700 (PDT) Original-Received: from [192.168.0.2] ([66.205.73.129]) by smtp.googlemail.com with ESMTPSA id a10sm9272117wrm.87.2020.04.11.20.07.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 11 Apr 2020 20:07:18 -0700 (PDT) In-Reply-To: <83eesvmj15.fsf@gnu.org> Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::344 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:246852 Archived-At: On 10.04.2020 18:56, Eli Zaretskii wrote: >>> Depends on what you mean by "precision". They might very well miss >>> some parts of the buffer entirely, i.e. never see them on display. >>> This may or may not be important, depending on the use case. An >>> editor is not supposed to skip portions of the buffer when scrolling >>> continuously. >> And that's what my last patch helps it avoid doing, by default. > It does? Then maybe I didn't understand what it does. The "else" branch (meaning the new default behavior) makes sure redisplay is never skipped during scrolling commands.