From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#60340: 29.0.60; force-mode-line-update does not update tab line Date: Mon, 26 Dec 2022 19:04:33 +0200 Message-ID: <8335922j1a.fsf@gnu.org> References: Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28707"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 60340@debbugs.gnu.org To: Aaron Jensen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Dec 26 18:05:33 2022 Return-path: Envelope-to: geb-bug-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 1p9quq-0007GZ-28 for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 26 Dec 2022 18:05:32 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p9quQ-00006z-8z; Mon, 26 Dec 2022 12:05:06 -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 1p9quN-00006I-R7 for bug-gnu-emacs@gnu.org; Mon, 26 Dec 2022 12:05:04 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1p9quM-0007m3-L8 for bug-gnu-emacs@gnu.org; Mon, 26 Dec 2022 12:05:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1p9quM-000294-44 for bug-gnu-emacs@gnu.org; Mon, 26 Dec 2022 12:05:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 26 Dec 2022 17:05:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 60340 X-GNU-PR-Package: emacs Original-Received: via spool by 60340-submit@debbugs.gnu.org id=B60340.16720742838214 (code B ref 60340); Mon, 26 Dec 2022 17:05:02 +0000 Original-Received: (at 60340) by debbugs.gnu.org; 26 Dec 2022 17:04:43 +0000 Original-Received: from localhost ([127.0.0.1]:54023 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p9qu3-00028Q-HW for submit@debbugs.gnu.org; Mon, 26 Dec 2022 12:04:43 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:34596) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p9qtx-000288-Q6 for 60340@debbugs.gnu.org; Mon, 26 Dec 2022 12:04:41 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p9qts-0007hN-Dh; Mon, 26 Dec 2022 12:04:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=gxPOjpGnsUPaUKads7PGoC4ApG6vRNi2HwzvTV5HTCc=; b=JouX/Oy5Z7Vh JzwVhtMM7LqcD400XUZhVoDeAHM+xLy9sxoxPRAIgCvr0uqx0InxBtxBMpZ3JCxojfp7iNtMJuI6K tNG/fFBQxS4mRCBSdMjoJ5xsd21yufgJEzPPHpapH4ARlSNCSXoWyJoG6fN9sl8RzVTflWUBNFwAo BO9AI8VxbFwCmqdShldgx4q9BeorHouudl9DzRanNq4o10jEfRSA7GOyoJaPXKbtrFUxSu9TtrrYt kEcCcJXqpeMeBs+Ar5M94Jj+UiGeEyDjkglf6Q0gZUSdGOCYiveHNv6/SGTzDCNt1TPuP1oxKDANe nbsNybpOXLTbF7EEjkGXIw==; Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p9qtp-0000LD-IE; Mon, 26 Dec 2022 12:04:31 -0500 In-Reply-To: (message from Aaron Jensen on Mon, 26 Dec 2022 11:40:33 -0500) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:251909 Archived-At: > From: Aaron Jensen > Date: Mon, 26 Dec 2022 11:40:33 -0500 > > > (defun random-name (_buffer &optional _buffers) > (format "tab %d" (random 1000))) > (setq tab-line-tab-name-function #'random-name) > (tab-line-mode) > > Then, eval: > > (force-mode-line-update) > > Every time that evals, I believe you should see the tab name update, but > it does not. This makes it impossible to change tab names without > changing buffer names as far as I can tell. There is likely something > I'm missing, but per the docs, I believe force-mode-line-update should > update tab lines. Passing `t' as ALL does not work either. force-mode-line-update updates what's displayed on the line, but it doesn't recompute tab-line-format. And that is what you want to do: you customize tab-line-tab-name-function, which affects tab-line-format. IOW, if your format has %d, and %d formats some number which changes with time, then you can expect that force-mode-line-update will cause a different string be displayed instead of %d. But you _cannot_ expect that the format string which includes %d will be recalculated just because you called force-mode-line-update. If you want the displayed values to change when the line is redisplayed, you need to use :eval or somesuch.