From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Miles Bader Newsgroups: gmane.emacs.devel Subject: Re: Emacs GTK scroll-bar flickering Date: 20 Mar 2003 10:19:17 +0900 Sender: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Message-ID: References: <200303192321.h2JNKxbN015050@stubby.bodenonline.com> Reply-To: Miles Bader NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: main.gmane.org 1048123278 26231 80.91.224.249 (20 Mar 2003 01:21:18 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Thu, 20 Mar 2003 01:21:18 +0000 (UTC) Cc: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Thu Mar 20 02:21:17 2003 Return-path: Original-Received: from quimby.gnus.org ([80.91.224.244]) by main.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 18vok8-0006ou-00 for ; Thu, 20 Mar 2003 02:21:16 +0100 Original-Received: from monty-python.gnu.org ([199.232.76.173]) by quimby.gnus.org with esmtp (Exim 3.12 #1 (Debian)) id 18vol9-0003WN-00 for ; Thu, 20 Mar 2003 02:22:19 +0100 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.10.13) id 18voiw-0000yJ-04 for emacs-devel@quimby.gnus.org; Wed, 19 Mar 2003 20:20:02 -0500 Original-Received: from list by monty-python.gnu.org with tmda-scanned (Exim 4.10.13) id 18voia-0000wP-00 for emacs-devel@gnu.org; Wed, 19 Mar 2003 20:19:40 -0500 Original-Received: from mail by monty-python.gnu.org with spam-scanned (Exim 4.10.13) id 18voiZ-0000t9-00 for emacs-devel@gnu.org; Wed, 19 Mar 2003 20:19:39 -0500 Original-Received: from tyo202.gate.nec.co.jp ([202.32.8.202]) by monty-python.gnu.org with esmtp (Exim 4.10.13) id 18voiY-0000sV-00; Wed, 19 Mar 2003 20:19:38 -0500 Original-Received: from mailgate4.nec.co.jp ([10.7.69.195])h2K1JOU16963; Thu, 20 Mar 2003 10:19:24 +0900 (JST) Original-Received: (from root@localhost) by mailgate4.nec.co.jp (8.11.6/3.7W-MAILGATE-NEC) id h2K1JO225729; Thu, 20 Mar 2003 10:19:24 +0900 (JST) Original-Received: from edtmg02.lsi.nec.co.jp ([10.26.16.202]) by mailsv4.nec.co.jp (8.11.6/3.7W-MAILSV4-NEC) with ESMTP id h2K1JNH29943; Thu, 20 Mar 2003 10:19:23 +0900 (JST) Original-Received: from mcsss2.ucom.lsi.nec.co.jp (localhost [127.0.0.1]) KAA18409; Thu, 20 Mar 2003 10:19:18 +0900 (JST) Original-Received: from mcspd15.ucom.lsi.nec.co.jp (mcspd15 [10.30.114.174]) with ESMTP id h2K1JHNH021852; Thu, 20 Mar 2003 10:19:17 +0900 (JST) Original-Received: by mcspd15.ucom.lsi.nec.co.jp (Postfix, from userid 31295) id 21A7B37C2; Thu, 20 Mar 2003 10:19:17 +0900 (JST) Original-To: "Jan D." System-Type: i686-pc-linux-gnu Blat: Foop In-Reply-To: <200303192321.h2JNKxbN015050@stubby.bodenonline.com> Original-Lines: 15 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1b5 Precedence: list List-Id: Emacs development discussions. List-Help: List-Post: List-Subscribe: , List-Archive: List-Unsubscribe: , Errors-To: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Xref: main.gmane.org gmane.emacs.devel:12477 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:12477 "Jan D." writes: > So Gedit has double buffering, Emacs has not. This is a huge difference > and explains why the scroll bars in GTK can "get away" with a sloppy > redraw strategy (i.e. clear all and redraw). Hmm, that makes sense. Perhaps GTK needs some way to say `suspend the (GTK) event loop, but allow it to be resumed later as if nothing changed' (with some other function that you can call to tell it `something's actually changed'). -Miles -- "I distrust a research person who is always obviously busy on a task." --Robert Frosch, VP, GM Research