From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#38731: [PATCH] Calculate first glyph to be redrawn when exposing (bug#38731) Date: Fri, 27 Dec 2019 19:17:03 +0200 Message-ID: <83a77dpu28.fsf@gnu.org> References: <20191227143500.GA75733@breton.holly.idiocy.org> <20191227162620.GA92799@breton.holly.idiocy.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="156017"; mail-complaints-to="usenet@blaine.gmane.org" Cc: netjune@outlook.com, 38731@debbugs.gnu.org To: Alan Third Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Dec 27 18:18:22 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iktFi-000eQG-SD for geb-bug-gnu-emacs@m.gmane.org; Fri, 27 Dec 2019 18:18:19 +0100 Original-Received: from localhost ([::1]:37418 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iktFh-0001Uf-LB for geb-bug-gnu-emacs@m.gmane.org; Fri, 27 Dec 2019 12:18:17 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42861) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iktFT-0001RV-Ga for bug-gnu-emacs@gnu.org; Fri, 27 Dec 2019 12:18:05 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iktFS-0002qN-IP for bug-gnu-emacs@gnu.org; Fri, 27 Dec 2019 12:18:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:51775) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iktFS-0002qH-Fi for bug-gnu-emacs@gnu.org; Fri, 27 Dec 2019 12:18:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iktFS-0007AB-Bk for bug-gnu-emacs@gnu.org; Fri, 27 Dec 2019 12:18:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 27 Dec 2019 17:18:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 38731 X-GNU-PR-Package: emacs Original-Received: via spool by 38731-submit@debbugs.gnu.org id=B38731.157746703227461 (code B ref 38731); Fri, 27 Dec 2019 17:18:02 +0000 Original-Received: (at 38731) by debbugs.gnu.org; 27 Dec 2019 17:17:12 +0000 Original-Received: from localhost ([127.0.0.1]:57748 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iktEd-00078r-Tu for submit@debbugs.gnu.org; Fri, 27 Dec 2019 12:17:12 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:33732) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iktEc-00078Y-9k for 38731@debbugs.gnu.org; Fri, 27 Dec 2019 12:17:10 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:47386) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1iktEW-0001vq-Km; Fri, 27 Dec 2019 12:17:04 -0500 Original-Received: from [176.228.60.248] (port=2434 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1iktEV-0002WT-Qr; Fri, 27 Dec 2019 12:17:04 -0500 In-reply-to: <20191227162620.GA92799@breton.holly.idiocy.org> (message from Alan Third on Fri, 27 Dec 2019 16:26:20 +0000) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:173829 Archived-At: > Date: Fri, 27 Dec 2019 16:26:20 +0000 > From: Alan Third > Cc: netjune@outlook.com, 38731@debbugs.gnu.org > > * src/xdisp.c (expose_area): When the face extends to the end of the > line calculate the first glyph to be redrawn rather than assuming it > starts at the first glyph in the row. Thanks, but can you please explain the rationale behind these changes? I'm mildly worried why this is done in generic code, whereas the problem was Darwin-specific.