From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Richard Stallman Newsgroups: gmane.emacs.devel Subject: [gerd.moellmann@t-online.de: Re: [bab@vx.com: Scrolling down fails to refresh.]] Date: Wed, 04 Sep 2002 22:47:13 -0400 Sender: emacs-devel-admin@gnu.org Message-ID: Reply-To: rms@gnu.org NNTP-Posting-Host: localhost.gmane.org X-Trace: main.gmane.org 1031194393 21863 127.0.0.1 (5 Sep 2002 02:53:13 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Thu, 5 Sep 2002 02:53:13 +0000 (UTC) Return-path: Original-Received: from quimby.gnus.org ([80.91.224.244]) by main.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 17mmlc-0005gV-00 for ; Thu, 05 Sep 2002 04:53:12 +0200 Original-Received: from monty-python.gnu.org ([199.232.76.173]) by quimby.gnus.org with esmtp (Exim 3.12 #1 (Debian)) id 17mnL6-0001js-00 for ; Thu, 05 Sep 2002 05:29:52 +0200 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.10) id 17mmnD-0005cK-00; Wed, 04 Sep 2002 22:54:51 -0400 Original-Received: from list by monty-python.gnu.org with tmda-scanned (Exim 4.10) id 17mmfs-0003bJ-00 for emacs-devel@gnu.org; Wed, 04 Sep 2002 22:47:16 -0400 Original-Received: from mail by monty-python.gnu.org with spam-scanned (Exim 4.10) id 17mmfp-0003b6-00 for emacs-devel@gnu.org; Wed, 04 Sep 2002 22:47:15 -0400 Original-Received: from fencepost.gnu.org ([199.232.76.164]) by monty-python.gnu.org with esmtp (Exim 4.10) id 17mmfp-0003b0-00 for emacs-devel@gnu.org; Wed, 04 Sep 2002 22:47:13 -0400 Original-Received: from rms by fencepost.gnu.org with local (Exim 4.10) id 17mmfp-0007CN-00; Wed, 04 Sep 2002 22:47:13 -0400 Original-To: emacs-devel@gnu.org Errors-To: emacs-devel-admin@gnu.org X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.0.11 Precedence: bulk List-Help: List-Post: List-Subscribe: , List-Id: Emacs development discussions. List-Unsubscribe: , List-Archive: Xref: main.gmane.org gmane.emacs.devel:7503 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:7503 Is this really Windows-specific? If so, would someone who works on Windows please look at it? ------- Start of forwarded message ------- X-Authentication-Warning: gerd.free-bsd.org: gerd set sender to gerd.moellmann@t-online.de using -f Sender: gerd@gerd.free-bsd.org To: rms@gnu.org Subject: Re: [bab@vx.com: Scrolling down fails to refresh.] From: gerd.moellmann@t-online.de (Gerd Moellmann) Date: 04 Aug 2002 15:25:32 +0200 In-Reply-To: <200206151412.g5FECx510208@aztec.santafe.edu> X-Sender: 520015515780-0001@t-dialin.net Richard Stallman writes: > Would you please look at this? > He included a 3 meg screen capture, so I have deleted that; > please tell me if you want it. > > ------- Start of forwarded message ------- > From: "Bernard A Badger" > To: > Subject: Scrolling down fails to refresh. > X-Priority: 3 (Normal) > X-MSMail-Priority: Normal > Importance: Normal > X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4807.1700 > X-MS-TNEF-Correlator: > Sender: bug-gnu-emacs-admin@gnu.org > Date: Mon, 13 May 2002 16:47:27 -0400 > > This is a multi-part message in MIME format. > > - ------=_NextPart_000_002D_01C1FA9D.DE765130 > Content-Type: text/plain; > charset="iso-8859-1" > Content-Transfer-Encoding: 7bit > > The following is a screen capture (Alt-Print Scrn) of Emacs as it scrolls badly > and does not > refresh properly. > GNU Emacs 21.2.1 (i386-msvc-nt5.0.2195) of 2002-03-19 on buffy > If you cannot see the embedded picture, here's a description of the problem. > > When I scroll down the window (Pull scrollbar down, that is) and there is a > "Stay on Top" > window overlapping the bottom of the emacs window > (such as Rational Purify's "Purify Instrumentation" progress window, > or the Windows "Task Manager" window), > the graphics of the obscuring window are copied up as we scroll. > Sometimes they are erased in the end, sometimes not. > (I say "scroll down" when the window goes down the file, the corresponding > text appears to go up the screen.) > > This can occur multiple times, until there is a "chatter" of wrongly-scrolled > window parts. > > I suspect this has something to do with the incorrect scrolling that occurs > anyway. > This is when the size of the scroll bar is re-computed based on the number of > characters > on-screen. It should really be based on the number of lines. I think that in > the end it is, and > it's the temporary "approximate" scrolling that is to blame. That looks a lot like another report for Emacs on MS-Windows, for which Jason said it was Windows-specific. ------- End of forwarded message -------