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.devel Subject: Re: Debouncing slow mode line constructs (was: Emacs design and architecture. How about copy-on-write?) Date: Fri, 22 Sep 2023 14:55:31 +0300 Message-ID: <83lecy777w.fsf@gnu.org> References: <838r92cgxp.fsf@gnu.org> <837comcam8.fsf@gnu.org> <6946e6f0-c6ef-186c-35d4-c09935c05a07@gutov.dev> <83y1h1axtq.fsf@gnu.org> <87sf79rq5o.fsf@yahoo.com> <83fs38c2yv.fsf@gnu.org> <83o7hw9ee1.fsf@gnu.org> <87il84q845.fsf@yahoo.com> <83il849bx6.fsf@gnu.org> <87a5tfri8c.fsf@yahoo.com> <878r8z27cs.fsf@localhost> <44e98df7-f683-ac07-e644-40757f1d26f9@gutov.dev> <87msxfzts6.fsf@localhost> <7b0c07f5-88c8-4f2c-6ac6-a6112c884f32@gutov.dev> <87il83zsg1.fsf@localhost> <87fs37zrjx.fsf@localhost> <400f8781-6bd9-53a0-0ace-26c327890fd9@gutov.dev> <87msxey105.fsf@localhost> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="32709"; mail-complaints-to="usenet@ciao.gmane.io" Cc: dmitry@gutov.dev, luangruo@yahoo.com, acm@muc.de, incal@dataswamp.org, emacs-devel@gnu.org To: Ihor Radchenko Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Sep 22 13:56:14 2023 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 1qjelZ-0008Az-Tj for ged-emacs-devel@m.gmane-mx.org; Fri, 22 Sep 2023 13:56:14 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qjeky-0004o6-7H; Fri, 22 Sep 2023 07:55:36 -0400 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 1qjeko-0004nB-EQ for emacs-devel@gnu.org; Fri, 22 Sep 2023 07:55:26 -0400 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 1qjekn-0002HR-JI; Fri, 22 Sep 2023 07:55:25 -0400 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=eolCylOJGx++3ILnzWDHdDXpsXvSZcPgDX73tuCLIDM=; b=bfZ2xfuusJCZ WsfbgY3h67BetPy/CGuAGgETolsIL7arcbuqEax0P2XNW+rnm006Ktbk4eC1FfHTJX/qeXKlFkL2O 36IhM0UOT/yGXZ+G7pQaF1pgZS9oXul90Yqgmd9QkaNL8FajJcF1hdEcsQz6XeN17w7Ex6eA1zRIj JMZhkU2JCO82Ln/P7EHlBS5j0y4ECMQ2dTtCDRoUX3PteZVAnycuEs0EQfL4f3mQshhtP7TZgAx+U Y7kpymFt9gFtdIl2dpBBq3Gm8XTnrfQQuhHB+t6S+gOJT8aqKpcOaPwa7hr1jm6d2L1KKpYKDPaHu z+H0N7hrA1wduSYu/Q+fQw==; In-Reply-To: <87msxey105.fsf@localhost> (message from Ihor Radchenko on Fri, 22 Sep 2023 10:07:38 +0000) 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:310951 Archived-At: > From: Ihor Radchenko > Cc: Po Lu , Eli Zaretskii , acm@muc.de, > incal@dataswamp.org, emacs-devel@gnu.org > Date: Fri, 22 Sep 2023 10:07:38 +0000 > > > Though if we just do this silently, it can hide performance problems, > > both discouraging the mode-line authors from fixing them, and creating > > odd behaviors (from the user's POV) when something which should change, > > doesn't. > > A warning may be displayed when this "debouncing" is activated. You cannot easily display any warnings from redisplay.