From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: carlmarcos--- via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: Changing buffer mode Date: Fri, 22 Jul 2022 05:22:40 +0200 (CEST) Message-ID: References: <87v8rr6awo.fsf@dataswamp.org> <87r12eo6yf.fsf@dataswamp.org> <878romj8ti.fsf@dataswamp.org> Reply-To: carlmarcos@tutanota.com Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="33062"; mail-complaints-to="usenet@ciao.gmane.io" Cc: help-gnu-emacs@gnu.org To: Emanuel Berg Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Jul 22 05:23:38 2022 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 1oEjGM-0008TI-6F for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 22 Jul 2022 05:23:38 +0200 Original-Received: from localhost ([::1]:55938 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oEjGK-0007SC-Qj for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 21 Jul 2022 23:23:36 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38240) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oEjFT-0007OQ-K6 for help-gnu-emacs@gnu.org; Thu, 21 Jul 2022 23:22:43 -0400 Original-Received: from w1.tutanota.de ([81.3.6.162]:51514) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oEjFR-0006iJ-QJ for help-gnu-emacs@gnu.org; Thu, 21 Jul 2022 23:22:43 -0400 Original-Received: from w3.tutanota.de (unknown [192.168.1.164]) by w1.tutanota.de (Postfix) with ESMTP id 2E85AFBF639; Fri, 22 Jul 2022 03:22:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1658460160; s=s1; d=tutanota.com; h=From:From:To:To:Subject:Subject:Content-Description:Content-ID:Content-Type:Content-Type:Content-Transfer-Encoding:Content-Transfer-Encoding:Cc:Cc:Date:Date:In-Reply-To:In-Reply-To:MIME-Version:MIME-Version:Message-ID:Message-ID:Reply-To:References:References:Sender; bh=vEB2X5w3RhBrxg84w0m1cui3Sr/pBjS3ErkoDLU5HL0=; b=DparfFdPtUS6spRC6eWB4zLIg8N+OHSWQk5++uWEgSwyDhLcCPpbVB86AL+bGpOI BG8AkFc4caAWamTZNzZQYG7oU5GtLHcH5F6/By/zu8liK8jXmudOKWC+mG4n7eqv+45 uyq0HVI4lta3fHBAfoJ3VISmYYinuj0JvwfRsRwKCyRC/dzQz2NRzZcNiRfqs8tb//Q DXkf/Dwm+95UCccytG0sx19HYxulrhs8GLYQY6WUp1KqsvITb0TpfKHQ6cBbduk7QLx pZBTKYV8Y7Nr1wldkg8MFTJQEpiU3HrRzG2corBcN94yZYboRyo3sndVIMypiA/K7FV L5pAAVECLw== In-Reply-To: <878romj8ti.fsf@dataswamp.org> Received-SPF: pass client-ip=81.3.6.162; envelope-from=carlmarcos@tutanota.com; helo=w1.tutanota.de 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, SPF_HELO_PASS=-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" Xref: news.gmane.io gmane.emacs.help:138560 Archived-At: Jul 22, 2022, 00:21 by incal@dataswamp.org: > carlmarcos--- via Users list for the GNU Emacs text editor wrote: > >>>>>> With the following function I can change the mode of >>>>>> a buffer. I would like to change it to use >>>>>> `completing-read` using a list composed of a selection >>>>>> of mode names. How can I go about doing that? >>>>>> >>>>> >>>>> Use it? >>>>> >>>>> (completing-read "drop: " '(little boy fat man)) >>>>> >>>> >>>> Yes, but then how can I update the buffer with the >>>> new mode? >>>> >>> >>> The same way you always do it? >>> >> >> I do not know the usual way. >> > > (emacs-lisp-mode) from Lisp and M-x emacs-lisp-mode RET > interactively ... > > Anyway some code for you ... try the examples, last. > Although it is good, my intention was to limit the modes to a select few, a= nd for the mode names to be visible to the user through the minibuffer comp= leting-read.=C2=A0=20 > ;;; -*- lexical-binding: t -*- > ;; > ;; this file: > ;; https://dataswamp.org/~incal/emacs-init/set-mode.el > > (defun mode-p (fun) > (let*((sfx "-mode") > (len (length sfx) )) > (and (functionp fun) > (string=3D sfx (substring (symbol-name fun) (- len))) ))) > > (defun set-mode (&optional fun) > (interactive > (list (completing-read > "mode: " > obarray > (lambda (e) (mode-p e)) > t > nil > nil > (symbol-name #'normal-mode) > )) ) > (if fun > (let ((f (if (stringp fun) > (intern fun) > fun) )) > (when (mode-p f) > (apply (list f)) )) > (normal-mode) )) > > ;; (set-mode #'kill-emacs) ; safe as not a mode > ;; (set-mode #'fundamental-mode) ; function > ;; (set-mode "emacs-lisp-mode") ; function name > ;; (set-mode) ; derive mode from extention/hashbang > ;; M-x set-mode RET conf-mode RET ; interactive explicit > ;; M-x set-mode RET RET ; ditto implicit > > --=20 > underground experts united > https://dataswamp.org/~incal >