From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu Newsgroups: gmane.emacs.devel Subject: Re: Redisplay resets vscroll when window start changes Date: Mon, 15 Nov 2021 20:44:52 +0800 Message-ID: <87czn1pozf.fsf@yahoo.com> References: <87k0h9pp7t.fsf.ref@yahoo.com> <87k0h9pp7t.fsf@yahoo.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="35430"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Nov 15 13:50:42 2021 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 1mmbRa-00096F-7S for ged-emacs-devel@m.gmane-mx.org; Mon, 15 Nov 2021 13:50:42 +0100 Original-Received: from localhost ([::1]:48868 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mmbRZ-0001NC-5U for ged-emacs-devel@m.gmane-mx.org; Mon, 15 Nov 2021 07:50:41 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:50210) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mmbM8-0004R9-FJ for emacs-devel@gnu.org; Mon, 15 Nov 2021 07:45:04 -0500 Original-Received: from sonic302-21.consmr.mail.ne1.yahoo.com ([66.163.186.147]:37774) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mmbM6-0003WA-1L for emacs-devel@gnu.org; Mon, 15 Nov 2021 07:45:04 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1636980300; bh=d85ff0QzHKUPBnKyoB+9sHNqyAvaDl2Q3c63FFx4kkk=; h=From:To:Subject:References:Date:In-Reply-To:From:Subject:Reply-To; b=phdbMSn8IxBbZTWydeTQ8ME/0dJnYfhYJg9dZqrYQCd118ygLPnZ+NPSKNLriOEVEmaDCK+z8jtPMdTfEFcNgeaqss6Q/30yeMooFaXxlIG25PNzVpnqWaRNMSxSozfTt/Y3rdLNxEb99C8VdCa0e7e1ubkXFgOVavdF4qXH8QL6Eno5R9ZOrtNwfYFIgJvEw1WULyX1lJoRil6GLrFGIvTec1a8PxYfF37yHcdIlmGyMX0YGrN4RWhI3VNWmiJN4NYnbucTyLP5NOQvkYwI2W+/ggEE48523S9mbj3g1cDCLfujdPImCfoUKCwWzZiQwDYPq5C1wfo0bTv2XJZnSw== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1636980300; bh=KVVgDdxghEGTVJIklxW7TrZG5S1820V54lDKnra6eoa=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=TNHeKWEJNAO7xTex+hezMntWK0jlNZor2EJ52hej12Ggz+uQBO+l+9+J8LuPXm8m/Jn84ON234WRFZN+Y5I5haYe8N0oP1boWedoXpEbpZz7oDBLD9FNLf1ElWMDD3do/zn09W4+0y/piRNjs60faHl+OPWWXEdf+ajhdmhBuRsta4iwpmdVmagkqdpjdWVMnlfDWe1hZLkaKHcJvNlSvAvpEQs1eyKsW8jIlO0D0TO3oAyP117s+/U3mzB/wALIeS6Jt1TT0PIkNLTXW52ZcMQMxEGrQ4aWSL8EeSb0FRjBV/4rJ5p8KdbJiYRLxkaq5QOLLPjSZ242/6WKRwpG+w== X-YMail-OSG: tip0A5kVM1l9Vt94BET66p5XoC6lPKy7jh3.7sxCf4t1EVh8awNYH7w1yW.h28P ryzctRhSUe..x6lEKZiBv5kdrs_L3hNC.VnmN.LpAFQRQESMCO0SuD0P8icgXGQqhBD_cDkuqO4f BO3Nn2MVm8.vm2_.NXfjxzalsksqIMriHRw1CI_IxCzwfNx5AxXDIfG8FkSuUWzVdoKFjLDVJuHf Q46444S.mDAI87Oq.ClmB9j0kTHqBTVIixoEdQ097z_yCmd9xQamKag4OlcVBuugv.AxuQ9IxBKh oF5YFj2dN6vVjdCy.EOcB513JY81F9ICgbfToXLmEOGALVc3CFPpMkbS_KVanzcd12Heagb1kOVv rR5PDJUUczJgFY_7tY1f7J3ShYYAdYzBoLdKqi2SPiGbEzHg5Jmn4EYugySevoM6_vej0gXgLW_m YmgV2eFI5thjA21KeHnO9r6UT7B07GrphnvS3xbEuOD7pg1GQbEItcovIWGk6P7JEAspd4kRuiU0 IFGh7DkUYWiSsuSvFaxSEZmTOB5ak8NJYNLMnOK5saejkLDyGao2tIDqDyvOy9ktmJf6ESeGSKoM yPzv8e.0sW4IcNYYB9O2aGHnRJjEOPVmTMXDwDhLKjEfFgya671q3Ql_bsMWAx87jj7HLxgsk5tp 9IYkELEfB1mqK8QbDPk.YjXi8IOhGlycQPy6ZDHkgp0yJGdDiDRr2h73gNRh1uVNd8bj2G71S2ie 0DCO3gCF5mGxF1PMJC.XAjD9cVMkO4af.zVK4uTVm8WHwZs2BZAFctDA2QB52ncTSqx9BUiiE71H JFvl7unMdyhpDPaPQrXIFFr5zW69AtMRMxW54poTw4 X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic302.consmr.mail.ne1.yahoo.com with HTTP; Mon, 15 Nov 2021 12:45:00 +0000 Original-Received: by kubenode509.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 0a9cc9e6198c70cffccbbe480f1b50b8; Mon, 15 Nov 2021 12:44:56 +0000 (UTC) In-Reply-To: <87k0h9pp7t.fsf@yahoo.com> (Po Lu's message of "Mon, 15 Nov 2021 20:39:50 +0800") X-Mailer: WebService/1.1.19306 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.186.147; envelope-from=luangruo@yahoo.com; helo=sonic302-21.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=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: 2.1.29 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:279494 Archived-At: Po Lu writes: > Is it OK to control whether or not the vscroll is reset there based on a > variable or a window parameter? It would be very convenient to have > such a feature. I was just told that Carbon Emacs also has this feature, and that it uses this feature in its implementation of pixel-based scrolling. I don't really know how effective it is, though, as I have never used Carbon Emacs. Thanks.