From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stephen Berman Newsgroups: gmane.emacs.devel Subject: Re: eliding in mode-line-format Date: Fri, 01 Oct 2021 18:49:54 +0200 Message-ID: <87v92g666l.fsf@rub.de> References: <875yugrgj0.fsf@elite.giraud> 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="25144"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Manuel Giraud , emacs-devel To: Yuri Khan Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Oct 01 18:52:14 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 1mWLld-0006Jz-NI for ged-emacs-devel@m.gmane-mx.org; Fri, 01 Oct 2021 18:52:13 +0200 Original-Received: from localhost ([::1]:60620 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mWLlc-0000rD-9Y for ged-emacs-devel@m.gmane-mx.org; Fri, 01 Oct 2021 12:52:12 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:50110) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mWLjW-00088T-Rc for emacs-devel@gnu.org; Fri, 01 Oct 2021 12:50:02 -0400 Original-Received: from mout.gmx.net ([212.227.17.20]:49931) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mWLjT-0002rG-JO for emacs-devel@gnu.org; Fri, 01 Oct 2021 12:50:01 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1633106995; bh=j0jMrRgozswakSxCuhV96+r7ypDiCWzjZcLCQLHgoLI=; h=X-UI-Sender-Class:From:To:Cc:Subject:References:Date:In-Reply-To; b=gYnsadhDJM8Pkbs1Ce6abcf64jEKvxmNZ1er/4za3tCHY/PpSO8LIfP3RkF4BsgBQ yO391k8CgL4++vJmJMYyDwOpbnFF9JIHj0rx/3Hbp/web5mGMHI3kCfm+d0lp9etK0 TQv4PGykzyuN+Df/ILQzBcMUtM90ZumMHkfTrRkE= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Original-Received: from strobelfs ([178.1.125.12]) by mail.gmx.net (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1M3DNt-1mXA9G0Emr-003d3t; Fri, 01 Oct 2021 18:49:55 +0200 In-Reply-To: (Yuri Khan's message of "Fri, 1 Oct 2021 21:23:08 +0700") X-Provags-ID: V03:K1:OlMUwkgLRHkW4A0fsch5D3A7xQd5YTLM/0smkRos54VzKpLgMix 0O3oehxjYko+m2nshXdq67M0tPWSStUpHVo+cpT1dDFjwtumCuywcuviW0GitaH+fqOuGL8 LD6m0puSuXtEaVl+CjqPsabDpuwtRW8CxuA69GW4a1TdXt7ZPCWWaM8uqrmwC54FPX2uOMH EkBZhL4xlzdIB5Vb/LoNQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:skfQO/T/Cu8=:zwwxYxNLcalt+rW/PJp2nH LaxSvmnKaNnV/wb7d2WS+Z3sLb5FTlNkKdFW2Jh2ESG3sMjcEiP2vhlRFKPL5rKrPKVZ6J4L8 N81HvbIz7HSNPunZYfxqK2pNjUu0ROkiGKB4ojURh4wp25Y5AAFifpVtoBu+sU+ogxLtqAd4f BcZ3VQac34hmp+L/B2Rd8hTYTj2qW9ApVY4pVL3qwujq4wY9pko9MLrtTR4RQHpPH7zU3S7Qn zhiYXY2X9SzGbaxnga1V37s8i23QkBKFNYJwCtSpDzKX9Wgj5faVSNdDg73KHLZisr1FLwKse SuPu8iA9QOna/NLG9Ios5lE/Ks8AiZY1hTSirKJ9Bk/2f9KtqqX3RgFtWFJoRmmTHIWKnKL/D SeDWBiUFAsLVqYoMnYdbzjV+xFZw+dH31xu6N6FK/KH/SB7Hi75x2tEfPwqd6+ckGJJxdIJEv c1ZjvR2OBY7aANMg7qGosOCx1veNmqQAO6ujDOO5Zsiwo49GGQhbmja/doltJgZGLBpt8vOzO I+hEcOt/DHG4F+9YRgJsnceWIZrFWM0cDHFrzk4ork9vVKE6LNuLNn0IChvFHk5DzBhQ1TBzU vIh/hg8xZMIU8pbINZucG+PdB+2j1WkW6pifIVkZCCFNSqtHqjNg6mIDpQjlherPDIQ24Q0QF F4fdGIQMIXSEE+mw+P7D0Q94kj/+5hLREsTY4jukyfQGr1cOSzxC7pHKN4AVHQXvK7WZTT53R X6Vc5Kyra3mIeDXYfbZvVXHdyrujdMwN/BL7ee+dwFmiY9fphBXg4P/GYL/HOuQa7ZDdCaMU Received-SPF: pass client-ip=212.227.17.20; envelope-from=stephen.berman@gmx.net; helo=mout.gmx.net 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_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: 2.1.23 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:275996 Archived-At: On Fri, 1 Oct 2021 21:23:08 +0700 Yuri Khan wrote: > On Fri, 1 Oct 2021 at 21:02, Manuel Giraud wrote: > >> I'd like to have some kind eliding feature in the mode line. >> >> As a usage example, I'd like to be able to have "a buffer with a really >> long and meaning full name" that I'm able to track down (with icomplete >> for instance) but I want its "%b" mode line representation to be >> truncated to say n characters ("a buffer with=E2=80=A6" for instance). > > $ emacs -Q > > (setq-default mode-line-buffer-identification > '(-15 (:eval (propertized-buffer-identification "%b")))) > > Now you have buffer names truncated to 15 characters. > > (See documentation on mode-line-format, also see the default value of > mode-line-format and all the parts it gets built from.) > > Instead of using a list with a negative number at the front, you might > prefer defining a function to ellipsize a string. You then get to > choose an ellipsis character and whether to truncate from the start, > end or middle. E.g., I use this: (defun srb-truncate-mode-line-buf-ident (&optional n) "Display first N characters of buffer name in mode line." (interactive "P") (let* ((b (buffer-name)) (s (unless n (read-string "" b)))) (setq mode-line-buffer-identification (propertized-buffer-identification (or s (substring b 0 n)))))) Steve Berman