From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Yuan Fu Newsgroups: gmane.emacs.bugs Subject: bug#59481: 29.0.50; c-ts-mode doesn't play nicely with pixel-scroll-precision-mode Date: Tue, 22 Nov 2022 12:44:18 -0800 Message-ID: <6B7338DA-2F7A-486B-8213-B180D1BA146E@gmail.com> References: <877czn3zn5.fsf@yahoo.com> Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.120.41.1.1\)) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15511"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 59481@debbugs.gnu.org To: Po Lu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Nov 22 21:45:21 2022 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 1oxa8u-0003nc-RD for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 22 Nov 2022 21:45:20 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oxa8e-0002e0-LF; Tue, 22 Nov 2022 15:45:04 -0500 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 1oxa8d-0002dT-48 for bug-gnu-emacs@gnu.org; Tue, 22 Nov 2022 15:45:03 -0500 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 1oxa8c-0004di-Qr for bug-gnu-emacs@gnu.org; Tue, 22 Nov 2022 15:45:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oxa8c-0001x5-CM for bug-gnu-emacs@gnu.org; Tue, 22 Nov 2022 15:45:02 -0500 X-Loop: help-debbugs@gnu.org In-Reply-To: <877czn3zn5.fsf@yahoo.com> Resent-From: Yuan Fu Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 22 Nov 2022 20:45:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 59481 X-GNU-PR-Package: emacs Original-Received: via spool by 59481-submit@debbugs.gnu.org id=B59481.16691498727452 (code B ref 59481); Tue, 22 Nov 2022 20:45:02 +0000 Original-Received: (at 59481) by debbugs.gnu.org; 22 Nov 2022 20:44:32 +0000 Original-Received: from localhost ([127.0.0.1]:52656 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oxa88-0001w7-7R for submit@debbugs.gnu.org; Tue, 22 Nov 2022 15:44:32 -0500 Original-Received: from mail-pf1-f180.google.com ([209.85.210.180]:34313) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oxa81-0001vo-Uw for 59481@debbugs.gnu.org; Tue, 22 Nov 2022 15:44:30 -0500 Original-Received: by mail-pf1-f180.google.com with SMTP id z26so15464812pff.1 for <59481@debbugs.gnu.org>; Tue, 22 Nov 2022 12:44:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=to:cc:date:message-id:subject:mime-version :content-transfer-encoding:from:from:to:cc:subject:date:message-id :reply-to; bh=0AYRGkYUynMrSUXv4iums0Wa9FacXFJiJtK+pyvHBiU=; b=BzSai85pJmd+ALegtA1BtpZlHnH5lTuJ1bymiZGVuqHWAEx3Bo70jJFh3NTA4i2kLW 61oMOK2FcQ5eaWR4BowJR4E+H7fZkrppk9ZNE297ro1BUwdFlH5zFOLVsMr0jDUDmjE8 lK+djRns12atGaiEg3AoUXQmY/afNvIHi2VGVOrAU3zw18N3kbwilNBxsbVw4FIKa8TP DzX/+THy0rYydBhepKCRdKRXnmz5xfDPWyWBSmYAcaudYPBwwQ6EJiHy+vhauvu0JhN6 jI/QLt59YeNFRjcc7wi8KmOo7TTfnTarn/NSDd5WdQEiMBCH7WiDeqWyT/oVs4QX08yr PWaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:cc:date:message-id:subject:mime-version :content-transfer-encoding:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0AYRGkYUynMrSUXv4iums0Wa9FacXFJiJtK+pyvHBiU=; b=S7K/l8Fho03DcoAKzk8cPICgtnhc/7pk4M4tQnqtvyP3dr0zEh3bSLeccg4gtHwZ1I BWm6SOutItVV7kkPY0QjZ3aJ6Pbk79CXjMIOsZ/FCfbhjsuYpiKc3tuV09nX0texnI/f QqBgQAOrK2D6QNkUp+3yKIMy4qyKYQU98p9XFasbjC8bB5bl79/NK87MeFY+gOQ8dNvz rj0s5XwlQcejtr19ZOFaCnlgOkjQVMzYq0wHTEcJEEipgxrks0tJejf1CJzpBm91qIIh ItQtRwn6Xh3BHKlX3zMXr3WjOZaIBGGbhEfafLr1QfLw5PLO/s21yJJm8vO9+pv1LqtI Gg+g== X-Gm-Message-State: ANoB5pmXJTbI8ZzKBlxCVkG8oGIcqTxvNIYoU6iQrdbaA0FqmlO7dYik bBwyaXgZQSHyam1tFIohmjw= X-Google-Smtp-Source: AA0mqf4WQMrgqLLmw3gYFHgVtFzkIq9M3Nj9qG1HzDndvHKDTA7T9oN9Rhnq8ApsVlfWgu8+TOpnVA== X-Received: by 2002:a62:e80b:0:b0:56e:ad31:b98b with SMTP id c11-20020a62e80b000000b0056ead31b98bmr9945187pfi.40.1669149859949; Tue, 22 Nov 2022 12:44:19 -0800 (PST) Original-Received: from smtpclient.apple (cpe-172-117-161-177.socal.res.rr.com. [172.117.161.177]) by smtp.gmail.com with ESMTPSA id u10-20020a170903124a00b00186b3528a06sm12656452plh.41.2022.11.22.12.44.19 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 22 Nov 2022 12:44:19 -0800 (PST) X-Mailer: Apple Mail (2.3696.120.41.1.1) 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:248676 Archived-At: Po Lu writes: > Enable pixel-scroll-precision-mode, then open src/xterm.c. Go to line > 3439, enable c-ts-mode, and scroll up _with a trackpad_ until line = 1675 > becomes visible near the start of the window. Finally, go down to = line > 1817: brackets will become randomly fontified in the error face. > > In addition, I was expecting c-ts-mode to be quite a lot faster > fontifying during precision scrolling, but it is currently as slow as = CC > Mode. I think that is almost definitely a bug somewhere in our > tree-sitter fontification code, since emacs-lisp-mode fontifies much > faster. How do you decide if the scrolling is fast or not? Maybe you are seeing palpable lags? I=E2=80=99m using macOS with the builtin trackpad, and = scrolling is pretty snappy. Maybe this only happens on Linux? I=E2=80=99m also = seeing random error faces (albeit not on brackets), could this relate to some particular way pixel-scrolling works? Does pixel-scrolling do anything special comparing to normal scrolling when fontifying text? Thanks, Yuan