From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: How to get DISPLAY of emacsclient? Date: Fri, 25 Nov 2022 11:57:03 -0500 Message-ID: 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="19200"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: emacs-devel@gnu.org To: Max Nikulin Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Nov 25 17:58:17 2022 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 1oyc1o-0004oM-5X for ged-emacs-devel@m.gmane-mx.org; Fri, 25 Nov 2022 17:58:16 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oyc0s-0002IG-9M; Fri, 25 Nov 2022 11:57:18 -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 1oyc0o-0002FP-Jv for emacs-devel@gnu.org; Fri, 25 Nov 2022 11:57:14 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oyc0j-0000kR-Ba for emacs-devel@gnu.org; Fri, 25 Nov 2022 11:57:12 -0500 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id ED8EE1000F8; Fri, 25 Nov 2022 11:57:05 -0500 (EST) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 883C61000D1; Fri, 25 Nov 2022 11:57:04 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1669395424; bh=qn3kWZ8Qu+BtQUW4Urz22ymLgnIbMiueeoYVfwKRTF8=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=bDLjcdf12d9+7ktilkxWYYIn0JxtNul6iNnE9CpFcX5blH/2fUxA+f84q9EPWtSYb ZTS/c/3V5V5FWNFFErG6P3KRrdJ9TrKlhIU4USEEDTJ78zj2vj1AvWPs4+IZ/sChoL v08AYNu/CKoCinctCHSG5q4+mgXIwQHk1RD5AjpRdx73bmYOj5d87eT5ol3SnYsvJX UXgfktYWnva0EzusstJB/dgKYSUbTuC+Go9Nb5RzT8cXPzJhsn0aybY+ExaPj/C9Od gOhbh3WWvGzH78UIEplibhMD5144v3EOu1UxkYCz1o3uDaRq1LUR1qZn9QypbeU8qc tvJxMhAeOaZnw== Original-Received: from pastel (unknown [104.247.241.157]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 5DA38121EFA; Fri, 25 Nov 2022 11:57:04 -0500 (EST) In-Reply-To: (Max Nikulin's message of "Fri, 25 Nov 2022 22:17:54 +0700") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:300497 Archived-At: > Unfortunately the value of following expression is the DISPLAY environment > of the server process > > emacsclient --eval '(getenv "DISPLAY")' There are different ways which will give you different answers in different cases: - you can check the `display` parameter of the selected frame (should handle the `emacsclient --display` case). - you can check the `environment` parameter of the selected frame (probably not very useful). - You can check the `env` parameter (with `process-get`) of the proc object that represents (on Emacs's side) the emacsclient connection. For that you'll need to get access to this proc object, but I don't know offhand how to. -- Stefan