From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: "T.V Raman" Newsgroups: gmane.emacs.devel Subject: Re: Easy things for Android port Date: Wed, 11 Jan 2023 07:27:35 -0800 Message-ID: References: <87mt6pfpy5.fsf.ref@yahoo.com> <87mt6pfpy5.fsf@yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=gb18030 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21827"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: emacs-devel@gnu.org To: Po Lu Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Jan 11 16:28:43 2023 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 1pFd1v-0005OF-6X for ged-emacs-devel@m.gmane-mx.org; Wed, 11 Jan 2023 16:28:43 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pFd0z-00034l-9M; Wed, 11 Jan 2023 10:27:45 -0500 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 1pFd0y-00034d-Hd for emacs-devel@gnu.org; Wed, 11 Jan 2023 10:27:44 -0500 Original-Received: from mail-pj1-x102f.google.com ([2607:f8b0:4864:20::102f]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pFd0v-0003Ts-U5 for emacs-devel@gnu.org; Wed, 11 Jan 2023 10:27:44 -0500 Original-Received: by mail-pj1-x102f.google.com with SMTP id dw9so14822900pjb.5 for ; Wed, 11 Jan 2023 07:27:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=content-transfer-encoding:mime-version:user-agent:message-id:date :references:in-reply-to:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ImbQRb3xvp3EqCLidC6r4mtlQc44BWt3gIAucyOE+8U=; b=J86u71DzhPPC2VmzBXYaojXoedoRNNywCl3hRYDfDW25nPJBuqqAfy0i848elY1wqT LvQO/84m63BfSIQBsRG7n8d+Ztv9OPaS5yrBKpq6JcvwUjF66G7SLNLhUe5DLx2W2WZv AHx9BieW9pDIZXL2sHF2xynNvC6B1ylE/BV/B9BCSWyKlbh3IsTX2V3tGUnbR9IvXZn+ wQ5n1dmDndJmiDK4Tt2HgYE9OfphtbBAK8oHyQMof0X8nhn5NqYawQ8KtEu2Q4omXY5k yf20rsl6NZ1hDGF8oXzmrp12t6XxT60phZoe1q983mZFR4ALyXm9/9FPe5wk6lBPcr9a pDNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:user-agent:message-id:date :references:in-reply-to:subject:cc:to:from:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=ImbQRb3xvp3EqCLidC6r4mtlQc44BWt3gIAucyOE+8U=; b=BCdD0plQe/T/WGtnWOPmUT3h0oboN4Fa6IjDfH2ihPhiiNyf6vit/U8QQXS2JX8Uz7 m6YtT1tANxdahkkE1exWpT5efAdhbBQ+q+YCDFr0rvPyRMX+NqVOgiltPg9w1BDlPeLJ Y7D9HO0ktSvwU88TTQzxbM3Ko+8LakMmhS9OBU3gtMyO9i5fmMgJQhjnBkCR1UsWPyEN ROVsmcn6IoJv7tjrP/IqpyqH4yCkQVNHeV484yV0JGRRYC7/PBp2VxohHOKQc90ZWBnD B1WkRsqPzeMde4nHKPL/237bBpRpRVGvlaa7qDEm2BQaXbruelWlxjwh/tZd5SS9WoVG LiUA== X-Gm-Message-State: AFqh2kpr02yOB85nEMelyQMJ8KXMtEWM8ad7ti32CHJ5eNI1M8rJ+fWG 6NKxWtOLKdKUy4gfgmmSTFTnWTDf/LmJ0A1Ww+Y= X-Google-Smtp-Source: AMrXdXtxTrMtRPs/9pHog4iNnbxqBpVe0Kl0Adzi0hwiMUgn3acD6NDGCFCLSQ8ZT91N0lNODOUB4g== X-Received: by 2002:a17:90a:8d06:b0:223:fa54:4315 with SMTP id c6-20020a17090a8d0600b00223fa544315mr75108832pjo.19.1673450858745; Wed, 11 Jan 2023 07:27:38 -0800 (PST) Original-Received: from raman9 (c-24-4-174-65.hsd1.ca.comcast.net. [24.4.174.65]) by smtp.gmail.com with ESMTPSA id d4-20020a17090a8d8400b001fd6066284dsm9143307pjo.6.2023.01.11.07.27.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Jan 2023 07:27:37 -0800 (PST) In-Reply-To: <87mt6pfpy5.fsf@yahoo.com> (Po Lu's message of "Wed, 11 Jan 2023 16:14:26 +0800") Received-SPF: pass client-ip=2607:f8b0:4864:20::102f; envelope-from=raman@google.com; helo=mail-pj1-x102f.google.com X-Spam_score_int: -175 X-Spam_score: -17.6 X-Spam_bar: ----------------- X-Spam_report: (-17.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:302343 Archived-At: Po Lu writes: This is awesome progress. One question re on-screen keyboard: Given Emacs' heavy usage of modifier keys, simply adding on-screen keyboard support may not deliver something very useful. perhaps we should step back and ask "How Can Emacs Leverage Touch Input" in a broader sense, and use that as the motivation to do some real UI innovation > The Android port, found in feature/android, is now useful for= editing, > given that you have a mouse and keyboard. > > If someone wants to do easy things for the Android port, they would be: > > - make dired.c understand the `/assets' special directory. > > - make drawing faster by avoiding the extra canvas save and restore on > each graphics op, only doing that if clip rectangles really change. > > - add support for touch screen events, like in xterm.c, and the > on-screen keyboard. > > - add support for the TrueType Container format to sfnt.c and > sfntfont.c. This is easy because TTC files are just TrueType files > with multiple table directories, each representing a single font. > > - add support for window restacking and geometry operations > (i.e. raise-frame, android_reparent_window, et cetera.) > > --=20 Thanks, --Raman(I Search, I Find, I Misplace, I Research) =817=A94 Id: kg:/m/0285kf1 =950=DC8