From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu Newsgroups: gmane.emacs.devel Subject: Re: Pixel scrolling support Date: Fri, 26 Nov 2021 20:46:13 +0800 Message-ID: <87pmqndqzu.fsf@yahoo.com> References: <87a6hrzrcv.fsf.ref@yahoo.com> <87a6hrzrcv.fsf@yahoo.com> <87v90fhayx.fsf@yahoo.com> <835ysf4dyr.fsf@gnu.org> <871r33h0th.fsf@yahoo.com> <8335nj4d53.fsf@gnu.org> <87sfvjfli2.fsf@yahoo.com> <83y25b2u2x.fsf@gnu.org> <87k0gvfeoa.fsf@yahoo.com> <83sfvj2m51.fsf@gnu.org> <87bl27f8pp.fsf@yahoo.com> <83o8672kl5.fsf@gnu.org> <87y25bdsp9.fsf@yahoo.com> <83lf1b2imx.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="17847"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) Cc: monnier@iro.umontreal.ca, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Nov 26 13:52:13 2021 Return-path: Envelope-to: ged-emacs-devel@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 1mqai5-0004Od-Rg for ged-emacs-devel@m.gmane-mx.org; 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Fri, 26 Nov 2021 12:46:22 +0000 Original-Received: by kubenode509.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 7b6080b00cba3edfb1585acb61bafbab; Fri, 26 Nov 2021 12:46:18 +0000 (UTC) In-Reply-To: <83lf1b2imx.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 26 Nov 2021 14:42:14 +0200") X-Mailer: WebService/1.1.19306 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.184.146; envelope-from=luangruo@yahoo.com; helo=sonic309-20.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:280237 Archived-At: Eli Zaretskii writes: > If that position is outside the window, you should be able to use > window-text-pixel-size to get the information. Hmm, I will look into that, thanks. > Sorry, I don't understand how this is relevant pos-visible-in-window-p > can tell you the pixel coordinates of EOB if it is inside the window. > If the EOB is inside the window, you should not scroll at all and > return immediately, so as to avoid the annoying error. Actually, I think we should just signal `end-of-buffer' in that case. That is a user facing error after all, no different from the other places where user commands signal `end-of-buffer'.