From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Kai Ma Newsgroups: gmane.emacs.bugs Subject: bug#63187: 30.0.50; Tail of longer lines painted after end of nearby lines on macOS Date: Mon, 26 Jun 2023 15:27:41 +0800 Message-ID: <047EC69F-EAC7-458F-A288-13DDC77DE187@gmail.com> References: <335C856F-41F7-48B8-AF42-B2406065C7A9@gmail.com> Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3731.600.7\)) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29248"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Po Lu , 63187@debbugs.gnu.org, Eli Zaretskii , Aaron Jensen To: Alan Third Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jun 26 09:29:28 2023 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 1qDgf9-0007MS-1l for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 26 Jun 2023 09:29:27 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qDgeo-0002DU-SO; Mon, 26 Jun 2023 03:29:06 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qDgel-0002BB-T4 for bug-gnu-emacs@gnu.org; Mon, 26 Jun 2023 03:29:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qDgek-0005JM-4t for bug-gnu-emacs@gnu.org; Mon, 26 Jun 2023 03:29:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1qDgej-0007T8-L4 for bug-gnu-emacs@gnu.org; Mon, 26 Jun 2023 03:29:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Kai Ma Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 26 Jun 2023 07:29:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 63187 X-GNU-PR-Package: emacs Original-Received: via spool by 63187-submit@debbugs.gnu.org id=B63187.168776448428612 (code B ref 63187); Mon, 26 Jun 2023 07:29:01 +0000 Original-Received: (at 63187) by debbugs.gnu.org; 26 Jun 2023 07:28:04 +0000 Original-Received: from localhost ([127.0.0.1]:44229 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qDgdo-0007RQ-24 for submit@debbugs.gnu.org; Mon, 26 Jun 2023 03:28:04 -0400 Original-Received: from mail-pf1-f195.google.com ([209.85.210.195]:45119) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qDgdl-0007Qp-IF for 63187@debbugs.gnu.org; Mon, 26 Jun 2023 03:28:02 -0400 Original-Received: by mail-pf1-f195.google.com with SMTP id d2e1a72fcca58-668709767b1so1587642b3a.2 for <63187@debbugs.gnu.org>; Mon, 26 Jun 2023 00:28:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687764475; x=1690356475; h=to:references:message-id:content-transfer-encoding:cc:date :in-reply-to:from:subject:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=9DGD+rMBtSapXprnLVXuTZkytc4Dd1KO5Gk66K2TIn0=; b=Q4zPYV5t3/F9wAHJrSreJwBSj24PWNIMTEkG9MCEiVNNAHenKTu+q41NcmP63H5Z0G LPRK01klaX8jvAxQLGnQPP1Ihf79zLJn0KmTgOy/ZH8dp8OnCsMgmp9D3vs5dRZ5f2nO N9+YWQHxnzJGO89bV0O5ydEhpU1P6khCCTopzH6DE7EKoQ1oiTu2TCjYLfyc9bUpWNof oGyW7fbmOWvJwxC7ZBuXcI/2XsCLlCWSZIGxELbfwsz7DqNLOhXOFwqANK29HAHftS/0 +mNtrtC2UMaX5zGtLkxBVESYWvxQRFv+ujt8MWpdNmMgg2oNM9GCfblaaAr60lfXWtxt lvuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687764475; x=1690356475; h=to:references:message-id:content-transfer-encoding:cc:date :in-reply-to:from:subject:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=9DGD+rMBtSapXprnLVXuTZkytc4Dd1KO5Gk66K2TIn0=; b=cGi+Js0l+LMUgHuFAUXBf3wI/8k4Dicg3w54iWbrYZWNVkkyOla5b/bDnfGyJIz3fK 3h5V4R5rGpfJ6FGUF+zbTmBJX1LxBeod/BXmUgFq9nJrjMz8CNYfDP6MXKN6sBguOMvb c3UNdHAKOUb0I4XOT9ZO9Y5TXranLErKflPOFeelgJvZk3EKueT1ucNV6OYg1x0+/VPl 0+FISfpKoRp3WKZtFNL5pq1966goAKEovsTyvtqn/ARUDjIjAAv5DPmKcnGg+0TyXB/z 2CT00jWWnqSChzPvhZCWbvuM7oJDzrkkt7IhD3vH3nKLIRnx2P3TK4inT3h8G+gP3k5j Mtuw== X-Gm-Message-State: AC+VfDxFDwlVBJ8ppn3KBdLwcBRFTN46rZBdfr1It5NMuoPkKozXz9WB Xgc3MJMBkNc2hMhp0htAxEA= X-Google-Smtp-Source: ACHHUZ4uC1CA10ZZ7Uw6hCr1TeATFD39SQjC6svO48X6nxWUBlEkQyvNI6yYTK5NjCa2EavG8m8edw== X-Received: by 2002:a05:6a20:4410:b0:121:7454:be2a with SMTP id ce16-20020a056a20441000b001217454be2amr21785777pzb.45.1687764475311; Mon, 26 Jun 2023 00:27:55 -0700 (PDT) Original-Received: from smtpclient.apple (42-2-66-168.static.netvigator.com. [42.2.66.168]) by smtp.gmail.com with ESMTPSA id z6-20020aa785c6000000b00663b712bfbdsm2744006pfn.57.2023.06.26.00.27.53 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 26 Jun 2023 00:27:54 -0700 (PDT) In-Reply-To: X-Mailer: Apple Mail (2.3731.600.7) 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:264083 Archived-At: > On Jun 25, 2023, at 20:46, Alan Third wrote: >=20 >>>=20 >>> modified src/nsterm.m @@ -10622,7 +10622,7 @@ - (void) display >>> { >>> NSTRACE_WHEN (NSTRACE_GROUP_FOCUS, "[EmacsLayer display]"); >>>=20 >>> - if (context) >>> + if (context && context !=3D [NSGraphicsContext currentContext]) >>> { >>> [self releaseContext]; >>>=20 >>>=20 >>> ... >>>=20 >>> Actually... >>>=20 >>> That change should probably be made anyway. If the NS run loop kicks >>> in between an ns_focus call and an ns_unfocus call, it could call >>> display and our display function will happily destroy the existing >>> context without creating a new one, so any *subsequent* drawing >>> operations, up until ns_unfocus, will be lost. >>=20 >> OK, I'm adding this to my current build. >>=20 >> Is this in line with the type of issue I'm seeing where scrolling >> works but the ghosting either replicates (or scrolls with it?) In >> other words, what would you expect to see in this scenario? Would it >> just stop painting entirely? >=20 >=20 > Kai, it might be worth trying just that change above, while keeping > the call to performSelectorInMainThread and see if it fixes anything > for you. Unfortunately, the problem persists (as in the YouTube video) if = performSelectorInMainThread is present.