From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#42406: Mouse-wheel scrolling can be flickering Date: Wed, 16 Dec 2020 18:00:30 +0200 Message-ID: <83zh2d91wh.fsf@gnu.org> References: <20200722201659.GA1541@breton.holly.idiocy.org> <969D8DEC-6837-4DD4-93E9-F359DADE1EAB@univie.ac.at> <20201010095100.GG60347@breton.holly.idiocy.org> <9849711D-8DBE-4030-8020-84D86E72505B@univie.ac.at> <83czzg3ge1.fsf@gnu.org> <83sg89cyrq.fsf@gnu.org> <0FD2AAC6-BA1C-483F-9967-3E18B4ADD4D3@univie.ac.at> <0d3c9f07-7783-3e41-bf85-24a034c02e5c@gmx.at> <01B63545-A435-48C5-AB62-441EAD24F24C@univie.ac.at> <8A9929A0-1C51-4CC7-9EB1-1555788465F0@univie.ac.at> <3FA2BD5E-5EAA-496E-AA2F-83810F62082C@univie.ac.at> <5945639e-0fe1-1308-e9e7-62ef44407e89@gmx.at> <8AF2FA71-E12D-414A-9224-31DCC5528BA9@univie.ac.at> <3a8d5d16-4362-a267-acc6-3f2c845fc8ed@gmx.at> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="3457"; mail-complaints-to="usenet@ciao.gmane.io" Cc: alan@idiocy.org, konrad.podczeck@univie.ac.at, 42406@debbugs.gnu.org To: martin rudalics Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Dec 16 17:01:59 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1kpZFX-0000mc-Bq for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 16 Dec 2020 17:01:59 +0100 Original-Received: from localhost ([::1]:59424 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kpZFV-0001iX-VR for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 16 Dec 2020 11:01:57 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:53274) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kpZEl-0001g9-Fw for bug-gnu-emacs@gnu.org; Wed, 16 Dec 2020 11:01:11 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:50278) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kpZEb-0002nQ-SV for bug-gnu-emacs@gnu.org; Wed, 16 Dec 2020 11:01:07 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kpZEb-0004qI-PS for bug-gnu-emacs@gnu.org; Wed, 16 Dec 2020 11:01:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 16 Dec 2020 16:01:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 42406 X-GNU-PR-Package: emacs Original-Received: via spool by 42406-submit@debbugs.gnu.org id=B42406.160813444118576 (code B ref 42406); Wed, 16 Dec 2020 16:01:01 +0000 Original-Received: (at 42406) by debbugs.gnu.org; 16 Dec 2020 16:00:41 +0000 Original-Received: from localhost ([127.0.0.1]:33591 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kpZEH-0004pY-Gi for submit@debbugs.gnu.org; Wed, 16 Dec 2020 11:00:41 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:60070) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kpZEG-0004pN-DZ for 42406@debbugs.gnu.org; Wed, 16 Dec 2020 11:00:40 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:56988) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kpZEB-0002bB-2C; Wed, 16 Dec 2020 11:00:35 -0500 Original-Received: from [176.228.60.248] (port=4753 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kpZE9-0002Y2-7d; Wed, 16 Dec 2020 11:00:33 -0500 In-Reply-To: <3a8d5d16-4362-a267-acc6-3f2c845fc8ed@gmx.at> (message from martin rudalics on Wed, 16 Dec 2020 09:46:18 +0100) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:196211 Archived-At: > From: martin rudalics > Date: Wed, 16 Dec 2020 09:46:18 +0100 > Cc: Alan Third , 42406@debbugs.gnu.org > > > Performance does not degrade when only the two calls of > > wset_update_mode_line you mentioned are commented out. However, with > > just commenting out these two instances, I still have a scroll > > performance problem when scrolling by using the scroll-bars. Could you > > also identify the instance concerning this? > > I forgot how Emacs precisely handles that. Maybe Eli can tell. See scroll-bar-toolkit-scroll. Basically, it calls scroll-up/scroll-down.