From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.bugs Subject: bug#40278: 27.0.90; Flickering in Windows 10 Date: Mon, 30 Mar 2020 12:23:42 -0400 Message-ID: <85imilolpt.fsf@gmail.com> References: <5e80c8ad.1c69fb81.73345.30e9@mx.google.com> <83y2rj3wfp.fsf@gnu.org> <834ku63pj1.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="1815"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (windows-nt) Cc: 40278@debbugs.gnu.org, Nicolas =?UTF-8?Q?B=C3=A9rtolo?= To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Mar 30 18:24:12 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 1jIxCu-0000Ly-7r for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 30 Mar 2020 18:24:12 +0200 Original-Received: from localhost ([::1]:52494 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jIxCt-0005CK-5V for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 30 Mar 2020 12:24:11 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:48792) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jIxCl-00059i-2D for bug-gnu-emacs@gnu.org; Mon, 30 Mar 2020 12:24:03 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jIxCk-0001YW-2w for bug-gnu-emacs@gnu.org; Mon, 30 Mar 2020 12:24:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:51612) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jIxCj-0001YR-Vd for bug-gnu-emacs@gnu.org; Mon, 30 Mar 2020 12:24:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jIxCj-0002Zj-Qw for bug-gnu-emacs@gnu.org; Mon, 30 Mar 2020 12:24:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Noam Postavsky Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 30 Mar 2020 16:24:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40278 X-GNU-PR-Package: emacs Original-Received: via spool by 40278-submit@debbugs.gnu.org id=B40278.15855854329883 (code B ref 40278); Mon, 30 Mar 2020 16:24:01 +0000 Original-Received: (at 40278) by debbugs.gnu.org; 30 Mar 2020 16:23:52 +0000 Original-Received: from localhost ([127.0.0.1]:34925 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jIxCa-0002ZL-MS for submit@debbugs.gnu.org; Mon, 30 Mar 2020 12:23:52 -0400 Original-Received: from mail-qt1-f170.google.com ([209.85.160.170]:33610) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jIxCY-0002Z7-Sc for 40278@debbugs.gnu.org; Mon, 30 Mar 2020 12:23:51 -0400 Original-Received: by mail-qt1-f170.google.com with SMTP id c14so15617555qtp.0 for <40278@debbugs.gnu.org>; Mon, 30 Mar 2020 09:23:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=UNo5LQfVC9nH094/WSNCzmyBnjFl7sAdTAwiN5KAmWg=; b=FxQqG5FMFmZvjyt9lkOUlxBNtzDk+bf9y2BS1iucwL2oN0mCGIIZuCKQh0kUP+HNzE v3YrQ5IUXt4y3rZcuih41uGZVOJRpJaO6ToBe5sXvqrz5DRsNQ82kdjSbNFUaoSUj+yW ObSyCkFSQcDSrwuBq/Vy8v3KK7ZVd5PhWXbKfLFVMJU/oxsJ4/jlsuQWsnP324RvtYhB qMLCk207Af9aWbc2vUwKD6zULkpK9LVD/3hKNVrweUr4mLkenYCicAqxGdPXxCR2VZhz LVO4Kh3RqU3D+RnmNL6wTwqtufiLQKlpJMvLC1NgQ4RGvxTg7ccFTd1PBEc8yj7Ip+3E +ahw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=UNo5LQfVC9nH094/WSNCzmyBnjFl7sAdTAwiN5KAmWg=; b=MlYWE5Fg4Fa3Tjw7HWu23nCCshhHU50r2QxbOyvVpZQUkeL9mk96hFTkI4VGvciBKC I1PpNRywyg5iEUnvDkWPQbATfjCelgZUN0/gLZwh6h/kx+9KR7Mwuu0jz1shyabb52GQ hmuIFFUyolAfO5Pvmz3ifvUOuNFNzC3vURHhTyEZnKBZsq/AzfqOlAvFEkHXpQgB7QBu d+edGM5R8mg3cTyn9s8PPbsrh5GTNsTv22EZoccGuemRQtpBPO5VNCnWgdXFix8Qj27x GIez1oJtGbvl7rzNJQ11BfNZbL8+2SzwX9GOy8a+Vk1ONqoekp5y1Kov6CKwVFJffbbH lJ5Q== X-Gm-Message-State: ANhLgQ1qMntmr1LOBEu41VjQdcb5nLuEGz7LKzSyTGbx8Q7F93QmiX31 nI3jvtnLlKErsj6u66MbwB/KkVUSW7I= X-Google-Smtp-Source: ADFU+vvCji8SJnU5wfIDkCnvfvvNRrVjdCkb2LJfkKjJwBzB8iUCbNo4ZBTkTcrgegpONe8mTyJ4+Q== X-Received: by 2002:aed:3284:: with SMTP id z4mr826516qtd.22.1585585424950; Mon, 30 Mar 2020 09:23:44 -0700 (PDT) Original-Received: from vhost2 (CPE001143542e1f-CMf81d0f809fa0.cpe.net.cable.rogers.com. [99.230.38.42]) by smtp.gmail.com with ESMTPSA id l7sm10528618qkb.47.2020.03.30.09.23.44 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 30 Mar 2020 09:23:44 -0700 (PDT) In-Reply-To: <834ku63pj1.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 30 Mar 2020 17:06:58 +0300") 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: 209.51.188.43 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:177876 Archived-At: >> To reproduce it: >> 1) Start runemacs -Q >> 2) Open a big C/C++ file (I used dispextern.h from emacs) >> 3) Run this code to create the child frame (in the scratch buffer) >> >> (defun open-test () >> (display-buffer-in-child-frame (get-buffer-create "test child-frame") >> '((child-frame-parameters . ((width . 20) >> (height . 10) >> (top . 200) >> (left . 100)))))) >> 4) In the C/C++ buffer eval (open-test) >> 5) Scroll with the mouse wheel up and down. > > It doesn't flicker here, sorry. > > Does anyone else see this? I can see it here, especially on scroll towards the beginning of the file (Emacs is maxing out the CPU while doing this). It kind of looks like the rectangle beneath the child frame gets repainted separately from the rest. In GNU Emacs 27.0.90 (build 1, x86_64-w64-mingw32) of 2020-03-30 built on VHOST2 Repository revision: c6e0981b96eaa12c28b70c949ccd6e426c13df4d Repository branch: emacs-27 Windowing system distributor 'Microsoft Corp.', version 10.0.18363 System Description: Microsoft Windows 10 Home (v10.0.1909.18363.720)