From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.help Subject: Re: Make scroll-{up, down} move point to {start, end} of newly visible text Date: Thu, 10 Aug 2023 20:33:43 +0300 Message-ID: <837cq2iyyw.fsf@gnu.org> References: <83mszb0w9l.fsf@gnu.org> <83il9y22e8.fsf@gnu.org> <834jli1uhb.fsf@gnu.org> <83msz7wez5.fsf@gnu.org> <87h6pcj5x1.fsf@dataswamp.org> <83y1iln1up.fsf@gnu.org> <87wmy4lyol.fsf@dataswamp.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="23084"; mail-complaints-to="usenet@ciao.gmane.io" To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Aug 10 19:33:42 2023 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qU9Xa-0005px-AG for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 10 Aug 2023 19:33:42 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qU9XC-00086w-FR; Thu, 10 Aug 2023 13:33:18 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qU9XA-00083w-E3 for help-gnu-emacs@gnu.org; Thu, 10 Aug 2023 13:33:16 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qU9XA-00034V-6Q for help-gnu-emacs@gnu.org; Thu, 10 Aug 2023 13:33:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=KJmPxvyvjyeMqthRvF0xc+zkGPJqjI+WHhiUW8R7Rok=; b=lg0tdhTcje+g 0eG01mdamnduUyDyGbecumJ4kWNFXS4fQXNrMxKDKcxUF8V16HJk+vnG4S1xK0yaPvrZn6DDKf6TP QE2HzRwhXd0yFg/nIVroqZKb5U72aTTHsx8HZ+YGhr2LbWLjWRv/y6IHsw1diZranIKJtV5arZnpb CJsuhIAg0dc54lMAHQ6SnykWHPNmeW+JNX8qMZ5lwCmPTkCLAoeT+bmUIrhFFsilk9Ueqnd5yAOYW ZN4pIVu66iFfnX2PHnsYzlaWvdCtLjtFX7eZM2kB9xaeHiX0ZkWf9dEKphXg3tMY9sQGO7nfwGIVO 1+kmLX0Z6JK1+bsOT97BXg==; In-Reply-To: <87wmy4lyol.fsf@dataswamp.org> (message from Emanuel Berg on Wed, 09 Aug 2023 22:59:22 +0200) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:144734 Archived-At: > From: Emanuel Berg > Date: Wed, 09 Aug 2023 22:59:22 +0200 > > Eli Zaretskii wrote: > > > I think your mental model of how scrolling works in Emacs is > > not accurate. [...] > > That can be helped, > > (defun scroll-up-1 () > (interactive) > (scroll-down 1) ) > > (defun scroll-down-1 () > (interactive) > (scroll-up 1) ) I asked what you thought happens in Emacs as part of the call to scroll-down. If you think that function actually scrolls the text in the window, then that's not what happens in reality. The scrolling is performed as part of redisplay, after scroll-up exits.