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: Tue, 22 Aug 2023 15:29:19 +0300 Message-ID: <838ra3tg4g.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> <837cq2iyyw.fsf@gnu.org> <87zg2yu600.fsf@dataswamp.org> <838rahhl4s.fsf@gnu.org> <87bkfdkbzo.fsf@dataswamp.org> <83ttt5fmmn.fsf@gnu.org> <87h6p5ieog.fsf@dataswamp.org> <83cyzse69j.fsf@gnu.org> <877cq0l1e9.fsf@dataswamp.org> <834jl3cc0a.fsf@gnu.org> <87o7j2bcxb.fsf@dataswamp.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10971"; 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 Tue Aug 22 14:29:38 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 1qYQVt-0002c9-Oc for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 22 Aug 2023 14:29:37 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qYQVN-00028A-2I; Tue, 22 Aug 2023 08:29:05 -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 1qYQVJ-000281-QH for help-gnu-emacs@gnu.org; Tue, 22 Aug 2023 08:29:02 -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 1qYQVJ-0002lr-I8 for help-gnu-emacs@gnu.org; Tue, 22 Aug 2023 08:29:01 -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=zeSquZiSiKdDcx6cztXTU/L14NJhCNjdxEpC3xtAGMk=; b=bvh8EzaTZnfs xnqo12ndxt+jqkZZ7+4KtPInrKequKUNiBrTqgEKi4ObGYri7fFS1YqaCc6NEfCmAYP1lDdZcQj10 UeYBUSipCVJMkYdjOXqktW3pif/HkGGkIn6NgudA/XcA1DYAPzSfjXZ6uZv0AV4zkds2uy2j7hd4E fQIPLXg7U1vQ4oPAWJ7dTZZFTLqYggGl9R4YqfP75FS9gJXmjGKGCpC2M3sLJBwolkHx3xeIWJQ/y IiDdHbs4Ln+AtQhUG/AWgSChc8F9t1TFwFjSunt+3mTF1QU1rtkrx2w9xum+arEQh+Ryx+VJOaJXs HCOJFAAQgNJfo1yrx892vA==; In-Reply-To: <87o7j2bcxb.fsf@dataswamp.org> (message from Emanuel Berg on Sun, 20 Aug 2023 05:38:56 +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:144911 Archived-At: > From: Emanuel Berg > Date: Sun, 20 Aug 2023 05:38:56 +0200 > > Eli Zaretskii wrote: > > > That data is available, but _after_ the scroll was already > > done. [...] Your idea, by contrast, was to know the results > > of scrolling _before_ scrolling > > It would be computed from the current state plus the intended > scrolling, BTW the data isn't what is currently returned > by scrolling. I didn't say _by_ scrolling, I said _after_ scrolling. > No, for example, by opening this very buffer, Emacs already > knows its state, since it displays "All" in the mode bar (and > I didn't scroll). > > So it is already there. Somewhere! Yes, but _after_ the display, not before.