From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Redisplay problems? Date: Tue, 25 Mar 2014 05:52:05 +0200 Message-ID: <834n2n0wbe.fsf@gnu.org> References: <83siqc7n87.fsf@gnu.org> <83a9ck6lzf.fsf@gnu.org> <83eh1v5y53.fsf@gnu.org> <83y5024r1w.fsf@gnu.org> <83ior6489a.fsf@gnu.org> <834n2q43os.fsf@gnu.org> <83vbv62gr7.fsf@gnu.org> <83txao1c8n.fsf@gnu.org> <83k3bj1otm.fsf@gnu.org> <838urz1jjg.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1395719539 12574 80.91.229.3 (25 Mar 2014 03:52:19 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 25 Mar 2014 03:52:19 +0000 (UTC) Cc: rudalics@gmx.at, christian@defun.dk, cloos@jhcloos.com, kanru@kanru.info, emacs-devel@gnu.org To: Stefan Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Mar 25 04:52:27 2014 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WSIPb-0003K1-24 for ged-emacs-devel@m.gmane.org; Tue, 25 Mar 2014 04:52:27 +0100 Original-Received: from localhost ([::1]:39518 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WSIPa-00056T-GN for ged-emacs-devel@m.gmane.org; Mon, 24 Mar 2014 23:52:26 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59257) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WSIPU-000564-5L for emacs-devel@gnu.org; Mon, 24 Mar 2014 23:52:24 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WSIPP-0006Gp-OI for emacs-devel@gnu.org; Mon, 24 Mar 2014 23:52:20 -0400 Original-Received: from mtaout27.012.net.il ([80.179.55.183]:47475) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WSIPP-0006Gg-Fs for emacs-devel@gnu.org; Mon, 24 Mar 2014 23:52:15 -0400 Original-Received: from conversion-daemon.mtaout27.012.net.il by mtaout27.012.net.il (HyperSendmail v2007.08) id <0N2Z00O0032GYZ00@mtaout27.012.net.il> for emacs-devel@gnu.org; Tue, 25 Mar 2014 05:49:26 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by mtaout27.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0N2Z00I9Z3YDM590@mtaout27.012.net.il>; Tue, 25 Mar 2014 05:49:26 +0200 (IST) In-reply-to: X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 80.179.55.183 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:170948 Archived-At: > From: Stefan > Cc: rudalics@gmx.at, christian@defun.dk, kanru@kanru.info, cloos@jhcloos.com, > emacs-devel@gnu.org > Date: Mon, 24 Mar 2014 16:43:03 -0400 > > > optimizations will not help, because you must redraw everything, and > > AFAIK we don't currently have a redisplay mode where the portions of > > matrices that were not recomputed are nevertheless redrawn. > > They'll be redrawn from the current matrices in response to the > expose events. Only if you insist on showing incorrect contents first, and if you can arrange for the expose event to always be processed before the redisplay.