From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Scrollbar bug on OS X Date: Wed, 06 Apr 2005 18:44:07 -0400 Message-ID: References: <7ca1709813602da58a139cee58fb4c63@gmail.com> <3b9c4e2f33d37fed55f640dcafbc8d65@gmail.com> <87is31i8jq.fsf-monnier+emacs@gnu.org> <0ba853825b580f74347416c2c0b4a169@gmail.com> <87vf70ausz.fsf-monnier+emacs@gnu.org> <5b72982df8c370d3a58358de397046c8@gmail.com> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1112827438 31667 80.91.229.2 (6 Apr 2005 22:43:58 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Wed, 6 Apr 2005 22:43:58 +0000 (UTC) Cc: David Reitter , emacs-devel@gnu.org, miles@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Apr 07 00:43:56 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1DJJEs-00045G-IF for ged-emacs-devel@m.gmane.org; Thu, 07 Apr 2005 00:43:11 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DJIo3-0004wH-OV for ged-emacs-devel@m.gmane.org; Wed, 06 Apr 2005 18:15:27 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1DJInH-0004UC-02 for emacs-devel@gnu.org; Wed, 06 Apr 2005 18:14:40 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DJInG-0004Tb-Rj for emacs-devel@gnu.org; Wed, 06 Apr 2005 18:14:38 -0400 Original-Received: from [132.204.24.67] (helo=mercure.iro.umontreal.ca) by monty-python.gnu.org with esmtp (Exim 4.34) id 1DJJGN-0005qT-Na; Wed, 06 Apr 2005 18:44:43 -0400 Original-Received: from hidalgo.iro.umontreal.ca (hidalgo.iro.umontreal.ca [132.204.27.50]) by mercure.iro.umontreal.ca (Postfix) with ESMTP id 941E2340009; Wed, 6 Apr 2005 18:44:12 -0400 (EDT) Original-Received: from asado.iro.umontreal.ca (asado.iro.umontreal.ca [132.204.24.84]) by hidalgo.iro.umontreal.ca (Postfix) with ESMTP id C20CF4AC271; Wed, 6 Apr 2005 18:44:08 -0400 (EDT) Original-Received: by asado.iro.umontreal.ca (Postfix, from userid 20848) id ADE84E6C1F; Wed, 6 Apr 2005 18:44:08 -0400 (EDT) Original-To: snogglethorpe@gmail.com In-Reply-To: (Miles Bader's message of "Thu, 7 Apr 2005 07:07:07 +0900") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) X-DIRO-MailScanner-Information: Please contact the ISP for more information X-DIRO-MailScanner: Found to be clean X-DIRO-MailScanner-SpamCheck: n'est pas un polluriel, SpamAssassin (score=-4.831, requis 5, autolearn=not spam, AWL 0.07, BAYES_00 -4.90) X-MailScanner-From: monnier@iro.umontreal.ca X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:35657 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:35657 > I'm curious how _any_ program manages to do this calculation in a > reasonable amount of time; do they really lay-out the _entire_ > document ahead of time? AFAIK, yes. HTML rendering engines do the rendering "eagerly" as they receive the HTML data. They typically do it in a separate thread, so while the page is being rendered things aren't stable on screen (objects may still move, and the slider may change size). Stefan