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: master e37eb7f: Add support for pixel wheel deltas on NS Date: Sat, 27 Nov 2021 19:34:19 +0800 Message-ID: <877dctbzno.fsf@yahoo.com> References: <20211125030922.2353.1129@vcs0.savannah.gnu.org> <83tug05whz.fsf@gnu.org> <87tufzycli.fsf@yahoo.com> <837dcv4e79.fsf@gnu.org> <87wnkvflk7.fsf@yahoo.com> <83zgpr2uvr.fsf@gnu.org> <87fsrjfeb1.fsf@yahoo.com> <83r1b32lvr.fsf@gnu.org> <877dcvf8ec.fsf@yahoo.com> <831r323lgs.fsf@gnu.org> <87v90ecvoa.fsf@yahoo.com> <83lf1a1651.fsf@gnu.org> <875ysecd75.fsf@yahoo.com> <83fsri13k0.fsf@gnu.org> <87wnkuax4q.fsf@yahoo.com> <83y259zxgz.fsf@gnu.org> <87sfvhc1hp.fsf@yahoo.com> <83tufxzwq9.fsf@gnu.org> <87k0gtc0z5.fsf@yahoo.com> <87fsrhc0lz.fsf@yahoo.com> <83pmqlzvel.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="29622"; 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Sat, 27 Nov 2021 11:34:28 +0000 Original-Received: by kubenode517.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 02cce63e023f794b2d0b995cbfa09e17; Sat, 27 Nov 2021 11:34:24 +0000 (UTC) In-Reply-To: <83pmqlzvel.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 27 Nov 2021 13:32:18 +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=66.163.184.200; envelope-from=luangruo@yahoo.com; helo=sonic301-31.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=unavailable 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:280329 Archived-At: Eli Zaretskii writes: >> From: Po Lu >> Cc: emacs-devel@gnu.org >> Date: Sat, 27 Nov 2021 19:13:44 +0800 >> >> @cindex @code{wheel-up} event >> @cindex @code{wheel-down} event >> @item (wheel-up @var{position} @var{clicks} @var{lines} @var{pixel-delta}) >> @itemx (wheel-down @var{position}) >> These kinds of event are generated by moving a mouse wheel. The >> @var{position} element is a mouse position list (@pxref{Click >> Events}), specifying the position of the mouse cursor when the event >> occurred. >> >> @var{clicks}, if present, is the number of times in quick succession >> the wheel has been moved. > By "if present", do you mean it can be absent, or do you mean it can > be nil? If the latter, then "present" is not the right word. It can be absent, not nil. Thanks. > Also, can this CLICKS member really be anything but 1 when the wheel > is used? Yes, when the wheel is turned quickly it can be 2 or 3. It can probably go higher, but I can't turn my mouse wheel that fast. >> @var{lines}, if present, is the number of screen lines that should >> be scrolled. @var{pixel-delta}, if present, is a pair of the form >> @w{@code{(@var{x} . @var{y})}}, where @var{x} and @var{y} are the >> number of pixels to scroll by in each axis. >> >> WDYT? Also, it seems that `lines' is only generated by the NS port, so >> it should perhaps be worthwhile to mention that as well? > Doesn't "if present" already handle that? Yes, makes sense now, thanks.