From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Chong Yidong Newsgroups: gmane.emacs.bugs Subject: bug#1867: Resizing window causes text flickering when using antialiased font on X Date: Wed, 05 Oct 2011 17:57:29 -0400 Message-ID: <8739f73xva.fsf@stupidchicken.com> References: <87ljtgzvgg.fsf@unicorn.lan> <4E8C00C8.9010208@swipnet.se> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1317851890 8509 80.91.229.12 (5 Oct 2011 21:58:10 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 5 Oct 2011 21:58:10 +0000 (UTC) Cc: lbsmtp@gmail.com, 1867@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Oct 05 23:58:02 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RBZTW-00005V-8M for geb-bug-gnu-emacs@m.gmane.org; Wed, 05 Oct 2011 23:58:02 +0200 Original-Received: from localhost ([::1]:42398 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RBZTV-00040X-Jc for geb-bug-gnu-emacs@m.gmane.org; Wed, 05 Oct 2011 17:58:01 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:48286) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RBZTS-000409-DQ for bug-gnu-emacs@gnu.org; Wed, 05 Oct 2011 17:57:59 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RBZTR-00077K-Be for bug-gnu-emacs@gnu.org; Wed, 05 Oct 2011 17:57:58 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:52157) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RBZTR-00077E-AB for bug-gnu-emacs@gnu.org; Wed, 05 Oct 2011 17:57:57 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1RBZTV-0001tb-OK for bug-gnu-emacs@gnu.org; Wed, 05 Oct 2011 17:58:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Chong Yidong Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 05 Oct 2011 21:58:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 1867 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 1867-submit@debbugs.gnu.org id=B1867.13178518647264 (code B ref 1867); Wed, 05 Oct 2011 21:58:01 +0000 Original-Received: (at 1867) by debbugs.gnu.org; 5 Oct 2011 21:57:44 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RBZTD-0001t5-Dp for submit@debbugs.gnu.org; Wed, 05 Oct 2011 17:57:43 -0400 Original-Received: from vm-emlprdomr-03.its.yale.edu ([130.132.50.144]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RBZTA-0001st-So for 1867@debbugs.gnu.org; Wed, 05 Oct 2011 17:57:41 -0400 Original-Received: from furball (dhcp-128-36-14-81.central.yale.edu [128.36.14.81]) (authenticated bits=0) by vm-emlprdomr-03.its.yale.edu (8.14.4/8.14.4) with ESMTP id p95LvTKX010997 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT); Wed, 5 Oct 2011 17:57:30 -0400 In-Reply-To: (Eli Zaretskii's message of "Wed, 05 Oct 2011 06:41:44 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.90 (gnu/linux) X-Scanned-By: MIMEDefang 2.71 on 130.132.50.144 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Wed, 05 Oct 2011 17:58:01 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 1) X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:52237 Archived-At: Eli Zaretskii writes: > The way redisplay is written, _any_ change to dimensions of _any_ > window sets a flag that will cause a thorough redisplay of all the > windows on all the visible frames. However, I'd expect that redisplay > of any window not affected by the resizing be limited to redrawing the > cursor. Resizing a window redraws all windows on the same frame, even those unaffected by the resizing. The right way to fix flickering in Emacs is to implement double buffering, which is not a trivial project.