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: Sat, 28 Dec 2019 20:27:35 +0200 Message-ID: <83imm0nw4o.fsf@gnu.org> References: <20191227143500.GA75733@breton.holly.idiocy.org> <20191227162620.GA92799@breton.holly.idiocy.org> <83a77dpu28.fsf@gnu.org> <20191227190652.GA92850@breton.holly.idiocy.org> <83v9q0omn9.fsf@gnu.org> <20191228112013.GA93177@breton.holly.idiocy.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="153707"; 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 Sat Dec 28 19:28:12 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 1ilGot-000dqh-5z for geb-bug-gnu-emacs@m.gmane.org; Sat, 28 Dec 2019 19:28:11 +0100 Original-Received: from localhost ([::1]:45444 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ilGos-0000Wv-3Q for geb-bug-gnu-emacs@m.gmane.org; Sat, 28 Dec 2019 13:28:10 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55100) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ilGol-0000Wn-QN for bug-gnu-emacs@gnu.org; Sat, 28 Dec 2019 13:28:04 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ilGok-0006ta-Rb for bug-gnu-emacs@gnu.org; Sat, 28 Dec 2019 13:28:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:52923) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ilGok-0006se-MA for bug-gnu-emacs@gnu.org; Sat, 28 Dec 2019 13:28:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ilGok-0007F3-Hf for bug-gnu-emacs@gnu.org; Sat, 28 Dec 2019 13:28:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 28 Dec 2019 18:28:02 +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=B38731.157755766227811 (code B ref 38731); Sat, 28 Dec 2019 18:28:02 +0000 Original-Received: (at 38731) by debbugs.gnu.org; 28 Dec 2019 18:27:42 +0000 Original-Received: from localhost ([127.0.0.1]:58896 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ilGoQ-0007EV-GT for submit@debbugs.gnu.org; Sat, 28 Dec 2019 13:27:42 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:44130) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ilGoP-0007EJ-OY for 38731@debbugs.gnu.org; Sat, 28 Dec 2019 13:27:42 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:36656) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ilGoJ-0004I9-Py; Sat, 28 Dec 2019 13:27:35 -0500 Original-Received: from [176.228.60.248] (port=3126 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1ilGoI-0004KZ-D0; Sat, 28 Dec 2019 13:27:35 -0500 In-reply-to: <20191228112013.GA93177@breton.holly.idiocy.org> (message from Alan Third on Sat, 28 Dec 2019 11:20:13 +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:173858 Archived-At: > Date: Sat, 28 Dec 2019 11:20:13 +0000 > From: Alan Third > Cc: netjune@outlook.com, 38731@debbugs.gnu.org > > A minimal, and possibly correct, fix is: > > modified src/xdisp.c > @@ -33491,7 +33491,7 @@ expose_area (struct window *w, struct glyph_row *row, const Emacs_Rectangle *r, > > if (area == TEXT_AREA && row->fill_line_p) > /* If row extends face to end of line write the whole line. */ > - draw_glyphs (w, 0, row, area, > + draw_glyphs (w, row->x, row, area, > 0, row->used[area], > DRAW_NORMAL_TEXT, 0); > else This change LGTM, thanks. If it solves your problem, then we can close this issue.