From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#28342: 26.0.50; (OSX) Jumpy Scrolling using Trackpad Date: Sat, 09 Sep 2017 17:22:47 +0300 Message-ID: <8360csvtmw.fsf@gnu.org> References: <225582B1-4598-4966-AE0B-4E8C153C8BF2@fastmail.com> <83h8wf22cy.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1504967060 2755 195.159.176.226 (9 Sep 2017 14:24:20 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 9 Sep 2017 14:24:20 +0000 (UTC) Cc: 28342@debbugs.gnu.org, jamesn@fastmail.com, charles@aurox.ch, james@jojojames.com To: athird@googlemail.com Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Sep 09 16:24:12 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1dqgg0-0008M2-9B for geb-bug-gnu-emacs@m.gmane.org; Sat, 09 Sep 2017 16:24:04 +0200 Original-Received: from localhost ([::1]:49697 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dqgg7-0006RD-E1 for geb-bug-gnu-emacs@m.gmane.org; Sat, 09 Sep 2017 10:24:11 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:34482) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dqgg1-0006Qm-EF for bug-gnu-emacs@gnu.org; Sat, 09 Sep 2017 10:24:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dqgfy-0004W3-8O for bug-gnu-emacs@gnu.org; Sat, 09 Sep 2017 10:24:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:48928) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dqgfy-0004Vw-4J for bug-gnu-emacs@gnu.org; Sat, 09 Sep 2017 10:24:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1dqgfx-0006on-SX for bug-gnu-emacs@gnu.org; Sat, 09 Sep 2017 10:24:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 09 Sep 2017 14:24:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 28342 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 28342-submit@debbugs.gnu.org id=B28342.150496701126174 (code B ref 28342); Sat, 09 Sep 2017 14:24:01 +0000 Original-Received: (at 28342) by debbugs.gnu.org; 9 Sep 2017 14:23:31 +0000 Original-Received: from localhost ([127.0.0.1]:57609 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dqgfT-0006o5-Ca for submit@debbugs.gnu.org; Sat, 09 Sep 2017 10:23:31 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:43387) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dqgfR-0006ns-6Q for 28342@debbugs.gnu.org; Sat, 09 Sep 2017 10:23:29 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dqgfL-0004O3-CN for 28342@debbugs.gnu.org; Sat, 09 Sep 2017 10:23:24 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:39220) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dqgf4-0004K0-CI; Sat, 09 Sep 2017 10:23:06 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1522 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1dqgf1-0003GN-Or; Sat, 09 Sep 2017 10:23:06 -0400 In-reply-to: <83h8wf22cy.fsf@gnu.org> (message from Eli Zaretskii on Wed, 06 Sep 2017 19:55:41 +0300) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:136705 Archived-At: > Date: Wed, 06 Sep 2017 19:55:41 +0300 > From: Eli Zaretskii > Cc: 28342@debbugs.gnu.org, jamesn@fastmail.com, charles@aurox.ch, > james@jojojames.com > > > (setq scroll-margin 5) > > (setq scroll-preserve-screen-position 1) > > (setq mouse-wheel-scroll-amount '(1)) > > > > Open a large file. Make sure you're at the start of the file > > > > M-< > > > > Scroll down with the mouse wheel and within a few clicks point jumps to the middle of the screen. A few more > > and it jumps to the end of the file. > > Even simpler: after evaluating the first 2 of the above 3 settings, > visit xdisp.c, then type this twice: > > C-u 1 C-v > > After you type this the second time, Emacs will infloop. > > This bug is already present in Emacs 25.1. > > I will look into this when I have time. Thanks for the recipe. Should be fixed now on the master branch.