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: move_it_vertically_backward question Date: Wed, 15 Dec 2021 18:28:50 +0800 Message-ID: <87k0g6qhzx.fsf@yahoo.com> References: <87lf0pw78r.fsf.ref@yahoo.com> <87lf0pw78r.fsf@yahoo.com> <837dc8mue3.fsf@gnu.org> <874k7cuhv4.fsf@yahoo.com> <83lf0nl56t.fsf@gnu.org> <875yrrtiwj.fsf@yahoo.com> <837dc7l2pa.fsf@gnu.org> <87ilvqty24.fsf@yahoo.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29656"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) Cc: emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Dec 15 11:33:42 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 1mxRbR-0007WM-VP for ged-emacs-devel@m.gmane-mx.org; Wed, 15 Dec 2021 11:33:41 +0100 Original-Received: from localhost ([::1]:46528 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mxRbQ-0004VI-4B for ged-emacs-devel@m.gmane-mx.org; Wed, 15 Dec 2021 05:33:40 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:37582) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mxRWy-0006z3-C7 for emacs-devel@gnu.org; Wed, 15 Dec 2021 05:29:05 -0500 Original-Received: from sonic313-56.consmr.mail.ne1.yahoo.com ([66.163.185.31]:38719) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mxRWw-0006dp-79 for emacs-devel@gnu.org; Wed, 15 Dec 2021 05:29:04 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1639564140; bh=+8rTTxWM3xJgM4twDtehS2lT4QVugx3VI4HoCVHRjag=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From:Subject:Reply-To; b=Qt6uqpAx04UsAa54oxystj7UzD5cltXQoRQKCSnDxXD8cjLu4+Rz+Tmgp02+9k45eu1yLxPJtQj/HEu+PAik/6EIw7xfaKAcctsZwL7hL3liCBBCeexzVowVtIhB6X/gsgMWWTN9O1biyMX8bp0see5kadAeAZ4wkQObkddHDaA5p0fxaGJuXHNZuNGSCjXVZh6sQUo8tJO8f6L99WK0i7HpGVX91y7pm3Y+okPqXKFjmZtLwe9d6MBXAIjQGrxlGsvMZkrhwIilTBNhrYuUwQaDCCdcrcjp+PJHVDl+l63S3CsqTlF9b3sN6Yq7MkX9PCwBfEuN/ujSvhiW6BiAaQ== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1639564140; bh=BhbejDq4/LybkrTo1CQOm+DcnwZgaJhpSRI9+KavDT/=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=lc7CAW9oi91pKt0h3qa1tpJ9P73GtZCHrq1tRrnNy5B4zxme0eExBHDLszg4HAUq9g+aF/F/GXT4OmBPAplcep2zjCsRHzGErnK4UtW1/pXu0lqm0+X0ULAYnqS+BQUEZzdwWbKH1wcAgAigMwj3mK4utMuCfDI+1bsAQxYxaL6GP1SbzeD33crDV+xdR9w+iRIpIxYQFW2fEASvTrPjb6kGsx5ZEdOuE9Uax+/ncraoUhaRFInAV2KDXGFgTphas0GQ55R9SLyw3+omm7JMDHiaqYQSOP0vXr/WCWCovU7yeRRdPwXCWm7U4xaIc41w7m4ZB0qXnd1fMpXlvnsjpw== X-YMail-OSG: ybkicKIVM1nJCemWa6bgnDPBEJ_NjKBtrVQa0n5G7rkioR7YvY3QrizStbwQ1d_ _SlDMumWLYBW45QPIm1bwJok_B9rVwODkL0WZYL12e9Lj8dlMYxVEgirn_gLxHggxzRgj4cLw1d6 Y_J82RA1ghE0Kxk_m36w7lvEtKld38Ad64gTBSrlsyzRdxib9oZitUA1k7l3Wd0HarFrFgSoIdd9 zWvKOzEF.PJZ_4XdDNPZXOap3mRSX6lWkz99c1ICrza4P18z6qp.vBsLP1XJKxOsEaPxfCRXeH5n HpVZg41W9YdwHlgzhEzYXnqHRr4xhTb5xZMKUjFAza0cGyOIzZieVQN2ReMDV4EP8C97nqrouYhj Grf_09fkBGGD5bEnzJ.dCdQjLliEGYQnKa8QB_VY8rNZdxwHrDBIajDka.ucu5I6_ZGKi2Zh15Af tMj7vGD5x6FCxZsep2NN6j_AxN77GrTPckYcMwb3NnFt9hidxxcDhor5mPsiPG8AoJKI8esSVNbl WNqco758QEylgYI__SThs8lyx4jc2xEFl2QkSQW4iZhaPBRfBegBxsrkvvb4Aou9ziQ1G3swMMbJ 1JLPGpTtPX985ENAfmlSu8HaLCed_hef0saSLC6GqlDgL3vB0mMsANTfuumiWJBJNi1ZNIms0hXw yQKSHwdXzWSpiUgnaSnj6CrJxnTgQvjE_cCSxohGiGUGW4BAOyN.Y7O2fVVzstzlkzv4pWCbfiJu mJoqgi.1znHC3dBZ9cx29lSbdGu.NfTMk5vPdkLaQlBaX05To3qlhN.Ff8DRLcD7Wk6oDThbT3tQ JyOy7GnwkpzCN9AJ_0lRxYJvI1RD7z39lw1ePwwTB3 X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic313.consmr.mail.ne1.yahoo.com with HTTP; Wed, 15 Dec 2021 10:29:00 +0000 Original-Received: by kubenode501.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 076535bb297f38b2ce4d986b14a5bf5b; Wed, 15 Dec 2021 10:28:54 +0000 (UTC) In-Reply-To: <87ilvqty24.fsf@yahoo.com> (Po Lu's message of "Wed, 15 Dec 2021 10:13:39 +0800") X-Mailer: WebService/1.1.19415 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.185.31; envelope-from=luangruo@yahoo.com; helo=sonic313-56.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:282008 Archived-At: Po Lu writes: > Something like this: > > move_it_vertically_backward (&it, pix); > > while (-it.current_y < pix) > { > last_y = it.current_y; > move_it_vertically_backward (&it, pix + it.current_y); > > if (it.current_y == last_y) > break; > } BTW, if this will work, I'd like to install this primitive along with the modification to the precision scrolling code that makes use of it as-is, at least as a temporary solution to the performance issues until we can decide which primitive to move its functionality into. Thanks.