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.help Subject: Re: Child frame alpha (not background) Date: Sat, 11 Nov 2023 20:44:42 +0800 Message-ID: <87y1f4pih1.fsf@yahoo.com> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="17798"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: help-gnu-emacs@gnu.org To: Psionic K Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat Nov 11 13:45:57 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 1r1nN7-0004RX-IH for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 11 Nov 2023 13:45:57 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r1nMG-00017T-SV; Sat, 11 Nov 2023 07:45:05 -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 1r1nMA-00016b-5H for help-gnu-emacs@gnu.org; Sat, 11 Nov 2023 07:44:58 -0500 Original-Received: from sonic305-21.consmr.mail.ne1.yahoo.com ([66.163.185.147]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1r1nM7-0005hm-Pi for help-gnu-emacs@gnu.org; Sat, 11 Nov 2023 07:44:57 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1699706692; bh=O6c3AYS394eiYD/oR65BbCBro/GkxlyWhOkTXNpqhcA=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From:Subject:Reply-To; b=VkM3DMx8n/fjN4K4Bxj8avEvQaFhVVjADGzzlv/+dnEaGUlbFM8RV53BJAPAuk2s7KgBBexxuEqJ3EjKBq3XaJ3299qpq6QM5IVQlg7IJWSXFlFUPOGKWl1eRe/su0QU736/gO9DlKR9mCeTM80GjLd0L6vbcGjZNbvVD0bVdFJrK46D+ts93jmH135e48o3dhboiFx+9A1/waJogGZCHIFUF1UF1pAJtInjMG6Zd95sS9xrINN7ryVRQyGs2lYO4kScgDZm8q/UeMeAxddFjq2ms7iw7bKTsPZyW9oKsFlN6hqeyU3ZAEtqdEwnDONkRvXafmu/YY14lJgg03L/dw== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1699706692; bh=WGJA2Bft8a4EyuvQBnvpv8IH9kMpKuXQRAbkxvDjutP=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=reWPzMeJb/VJxZki4p/rsAnJ8YBiQK7Pa3TNnpMZuMBXDx2N5dK68b7h0oIrGlgjA+GSD/u8EhNYCQ0XUK/LG3FLTZ4oUKruzkBIe1mWBELR50Kdtu5OMb4WoxAS4JKUGgKAj1rIy2kaXVte1ijqiH5Uk7QZ0mtj5QzXQUQSWAp0fBm20EIHkf1GbKilr8p7gYXYRMfcgz7DGzouBGT5PgT3WGvQ5sSyzrHC8bWNK30ZjlHJI5YVsKKLnXkVNsUr2XxXkHHF4iKBEVDVSAbzTiZF10mLgRykdBmdQcApQz+/g+FqWCj/SXCNZIqzVTjIyuUq5gVndUzQGwlPHE1YCg== X-YMail-OSG: b03Zf9wVM1mWs0xXUiht0c8PEOdsneejDuG6zk6V5s8lmKwc3OaN7PGoyEFeNAt Om3i12fwB6F7ouNNu44clJYIXk3Ihb4GDdPy8tZ._UxPcpiFO_BGqwovuLvQFJXum7yT7oEH3JlP f.oOhkBLhAT8JWlF1XiycguLmYpdxJwRk_RXT.pHCCbmJb0dEBnVWw6OqhBIYGqsvG0YryiAy9Ys B__Y0u4.QVnmU0zek8nBZofNS4K0pzKQOH0fc8pPCS2r86RlwDdq7UeSZQfhrLI5x5GvAKdfHSOE ueBt8g.nyDG3xlFAGP.DldWKPeh6k7YuY2eDFZhulWORwqGJbGu620OdcDpUE6V8VzCL_BEc7cVa 3QSohjU2irLDzOI8cvz_JvxuvpbCOyDKZPMUADIad2iG9hNs3U6lxis8v6YByBFv4Dmj9pffGqQi W4OSSIdP01_kWkvc4BqcVGfjg_l5zTYkVcjrOLC6MQPAQsCqlRzRV7SAc4wOBk9J.67NpAQfgYXN XGExfoASeIaZkiW5ls.qDOU3mFSV0hT5HCZQTFyonhkyazMqBT6qm_33OH.RO4Za1T78SJRp54HH AO2BO.MTdVBi16ytlQASJ4BrKNT2OUp.lawdT4HQ4BeiiZwdSRwpTemg7Mv5EiVqs53lRPUDDQvv zPU5_y9DbJVmGC0CIbtB4N5fJWZBBxf6Y6v0zxydkNRjzqUOn7UAyle_3tH5gOSHgGFR6jZwpj.Z DrxwRbK5Sz5eCoEpsZ9sJRY0VtTYjHymK3gKEkAuUhko6t1UbU8K8Njnz9f5R1z.MyhIJ6motS6X 7R9eadw7WOVCXFhEAl1sirITuzPttAYjQwoKhI3AAY X-Sonic-MF: X-Sonic-ID: 4295d78c-03ee-406b-9bb2-d797a8075d9c Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic305.consmr.mail.ne1.yahoo.com with HTTP; Sat, 11 Nov 2023 12:44:52 +0000 Original-Received: by hermes--production-sg3-8696d769c6-c7mjw (Yahoo Inc. Hermes SMTP Server) with ESMTPA ID 526c8a72240a97f2d078bd471e89c946; Sat, 11 Nov 2023 12:44:47 +0000 (UTC) In-Reply-To: (Psionic K.'s message of "Sat, 11 Nov 2023 17:30:30 +0900") X-Mailer: WebService/1.1.21896 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.185.147; envelope-from=luangruo@yahoo.com; helo=sonic305-21.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action 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:145480 Archived-At: Psionic K writes: > While developing champagne.el, I'm sure I saw child frame alpha (not just > background) was working at some point. I think it has regressed. Code > here: > https://github.com/positron-solutions/champagne/blob/master/lisp/champagne.el#L189-L190 > > I tried out PGTK and a number of window managers on 29 and master. I never > got full transparency working again. I've been using XFCE forever. If > anyone sees the simpler alpha frame property working, it would be helpful > to know your window manager and Emacs version for bisection. > > The background transparency is pretty sweet. Can't wait to polish > keypression some more. https://youtube.com/shorts/cXB7EnTcAD4 Neither alpha nor alpha-background has ever functioned under child frames, since non-toplevel windows cannot be composited on any window system we support. This is prerequisite for superimposing the contents of any number of translucent windows upon their parents and siblings. I have long been of the opinion that child frames are a misfeature; it is better to create a frame that is kept above all others, and to position such a frame manually.