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: Wed, 01 Apr 2020 10:25:16 -0400 Message-ID: <854ku3nv03.fsf@gmail.com> References: <5e80c8ad.1c69fb81.73345.30e9@mx.google.com> <83y2rj3wfp.fsf@gnu.org> <834ku63pj1.fsf@gnu.org> <85imilolpt.fsf@gmail.com> <75e3a76c-8067-d1bc-74c2-368250129d15@gmx.at> <83ftdo1ps8.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="99697"; 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: martin rudalics Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Apr 01 16:26:10 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 1jJeJm-000Ppk-GQ for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 01 Apr 2020 16:26:10 +0200 Original-Received: from localhost ([::1]:32830 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jJeJl-0008RZ-6G for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 01 Apr 2020 10:26:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:54168) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jJeJe-0008RS-NW for bug-gnu-emacs@gnu.org; Wed, 01 Apr 2020 10:26:03 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jJeJd-0005nv-O8 for bug-gnu-emacs@gnu.org; Wed, 01 Apr 2020 10:26:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:55228) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jJeJd-0005no-Kz for bug-gnu-emacs@gnu.org; Wed, 01 Apr 2020 10:26:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jJeJd-0006TH-Hd for bug-gnu-emacs@gnu.org; Wed, 01 Apr 2020 10:26:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Noam Postavsky Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 01 Apr 2020 14:26:01 +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=B40278.158575112524735 (code B ref 40278); Wed, 01 Apr 2020 14:26:01 +0000 Original-Received: (at 40278) by debbugs.gnu.org; 1 Apr 2020 14:25:25 +0000 Original-Received: from localhost ([127.0.0.1]:38541 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJeJ2-0006Qt-UP for submit@debbugs.gnu.org; Wed, 01 Apr 2020 10:25:25 -0400 Original-Received: from mail-qk1-f171.google.com ([209.85.222.171]:33470) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJeJ1-0006QO-Hm for 40278@debbugs.gnu.org; Wed, 01 Apr 2020 10:25:23 -0400 Original-Received: by mail-qk1-f171.google.com with SMTP id v7so45862qkc.0 for <40278@debbugs.gnu.org>; Wed, 01 Apr 2020 07:25:23 -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=AyYK5LtpmPDFnM8803Kk71lM52ILUIlhAGgL6UcuVXg=; b=qzmC/2NL6Oz9PKtAjecKIgyDhX9CcAazY4QY2aJgJU6g2oQmC+ClFtMYincmpRbjiJ HpU5Bo/MfcXcLDYybaVi4AXvbJgUCFdEG+PDnPlIUhAMJLW/wnSqduJWkXxE1cJDXpLa 6HaGzJ75+DsB4RX9kxAu1wgl8geESV6nOipGq2mKiDh2Lu/rzuzIaki4JtDzZc1LYz5T uLJCCLiS+HcrtyzS+hKfiHtvgNZ0hgUvk35sfdv+mprHiJW8VZY0L/SwQE0afQBqpzuM 666NGnbPtubrmln6RdpjT6EOE+iPca5Bvaf016l/PFRUce9yJrE4fUacPle0DN36pzhv aU3g== 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=AyYK5LtpmPDFnM8803Kk71lM52ILUIlhAGgL6UcuVXg=; b=bJ7TudrGGc5Wt0ovFPU8Tij/TRcMRVzn/iDWdYQqMOBfvPCpfowtrhBYs4fJgOgPS2 6OqyfQYEbCawKwql8CTbjcugRFe4dDVXx0bv1DHAHwEulJFbnSBk8rchRjw2Q8VWu6Jn y9MvCBCI8FtPULus7cafPdGp11GEM8j3mYOwm1drmm5b82UsXEQpUOOi1FkreShnN8or ZWwCzqd1/5UgdA4HMrpVCJfjWiCTQlpL+IBgpZCtBlMUo1iWnjkN7Nz6azoaKf29YDoG gEgeqW65PDjl0yK+5YjJwV+4Rf2l9D1tLMyaMZmI5caltDZZYAvz/R0vOXE2Fd2Ys1hl jRgQ== X-Gm-Message-State: AGi0Pua6KKPwwlH4TnNeTDNpgEtd/mmdsETpmi+5woZ3O+U0kLvUxwo8 HYsKsFPbRhf6eG2VCe9voJ8BHjRLYrQ= X-Google-Smtp-Source: APiQypKV0Q5alWYkzw1RfewErbZWZL8RMn5ZgrP/Xl8+c5Y1BmMo2tC7Ka7j3d8YzdzFKLwOfkB8eQ== X-Received: by 2002:a05:620a:1011:: with SMTP id z17mr3344341qkj.142.1585751117807; Wed, 01 Apr 2020 07:25:17 -0700 (PDT) Original-Received: from vhost2 (CPE001143542e1f-CMf81d0f809fa0.cpe.net.cable.rogers.com. [99.230.38.42]) by smtp.gmail.com with ESMTPSA id c4sm669019qko.54.2020.04.01.07.25.16 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 01 Apr 2020 07:25:16 -0700 (PDT) In-Reply-To: (martin rudalics's message of "Wed, 1 Apr 2020 08:36:15 +0200") 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:177945 Archived-At: >> Emacs frame partially covered by an Emacs frame: Nothing happens. Mouse input >> does not seem to go anywhere. Seems to work fine for me. I see the "normal" flickering, no slow-paint rectangle. >> Emacs frame partially covered by a Windows explorer window: Emacs scrolls >> normally, that is, in my case there is some flickering. But nothing like what >> happens with a child frame. Same here. martin rudalics writes: > What happens when you write > > (defun open-test () > (display-buffer-in-child-frame > (get-buffer-create "test child-frame") > '((child-frame-parameters . ((tool-bar-lines . 0) > (width . 20) > (height . 10) > (top . 200) > (left . 100)))))) Doesn't make a difference, I still see the slow-paint rectangle. ======================= At any rate, if I've understood the responses from Eli, it sounds like there isn't any bug here, just that we haven't implemented double buffering for Windows.