From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.devel Subject: Re: toggle-light-dark-mode Date: Wed, 16 Sep 2020 22:31:20 +0300 Organization: LINKOV.NET Message-ID: <87imce0zbr.fsf@mail.linkov.net> References: <20200910102000.2t6tsju745xutg7u@Ergus> <20200910110832.ko66gqnqo4l664d6@Ergus> <20200911134225.zhnlq7cdhmu2iraj@Ergus> <20200911221435.go7b5kz2zcvxp2ft@Ergus> <20200912153723.ymnq3i5pugqf7lsy@Ergus> <20200912194652.nrcx2fjg7n4j54ns@Ergus> <87blia32b7.fsf@gmail.com> <871rj30vzq.fsf@gmail.com> <87d02mop87.fsf@mail.linkov.net> <87tuvyztq5.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28271"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (x86_64-pc-linux-gnu) Cc: casouri@gmail.com, spacibba@aol.com, emacs-devel@gnu.org, "Alfred M. Szmidt" , monnier@iro.umontreal.ca, ghe@sdf.org, tecosaur@gmail.com To: Caio Henrique Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Sep 16 22:01:31 2020 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 1kIdcQ-0007Eu-Om for ged-emacs-devel@m.gmane-mx.org; Wed, 16 Sep 2020 22:01:30 +0200 Original-Received: from localhost ([::1]:45624 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kIdcP-00037A-MX for ged-emacs-devel@m.gmane-mx.org; Wed, 16 Sep 2020 16:01:29 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:52102) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kIdb0-0001wS-Ix for emacs-devel@gnu.org; Wed, 16 Sep 2020 16:00:02 -0400 Original-Received: from relay9-d.mail.gandi.net ([217.70.183.199]:45361) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kIday-0004Lr-Aa; Wed, 16 Sep 2020 16:00:02 -0400 X-Originating-IP: 91.129.108.13 Original-Received: from mail.gandi.net (m91-129-108-13.cust.tele2.ee [91.129.108.13]) (Authenticated sender: juri@linkov.net) by relay9-d.mail.gandi.net (Postfix) with ESMTPSA id 3FDA3FF802; Wed, 16 Sep 2020 19:59:47 +0000 (UTC) In-Reply-To: <87tuvyztq5.fsf@gmail.com> (Caio Henrique's message of "Tue, 15 Sep 2020 17:10:42 -0300") Received-SPF: pass client-ip=217.70.183.199; envelope-from=juri@linkov.net; helo=relay9-d.mail.gandi.net X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/16 15:59:57 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, 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:255923 Archived-At: >> "Automatically switch to dark background after sunset >> and to light background after sunrise. > > Personally I don't find this very useful, since most of the time the > lights in my room are turned on during the night. I only call that > function when I turn my lights off. > > I don't know any applications that have that kind of behavior enabled by > default, since it's a bit intrusive. For example, GPS navigation apps switch to night mode automatically on sunset. > But I think that it would be a great optional feature (i.e. disabled by > default) for those that are into it. I agree. >> But the theme can be toggled from light to dark using the command >> line switch --reverse-video, -r, -rv, or with the frame parameter > > Maybe this could also be an optional alternative behavior that you can > enable with a boolean variable? toggle-light-dark-theme-use-reverse-video > > I like your suggestions and I can see that they appeal to other users, > but personally I also wouldn't use reverse video (I like using > kaolin-galaxy as my dark theme and modus-operandi for my light theme). > > Or we could also do the inverse: use the behavior of your code by > default and make mine optional. :) Actually my point was that the default Emacs faces support both modes: dark and light, so you can use the same default theme in different modes, just by toggling frame-background-mode. This is implemented by using '(background dark)' and '(background light)' in defface definitions. I wonder why other themes don't support both modes? For example, why there is separate light tango-theme and tango-dark-theme, but not one tango-theme supporting dark and light modes? And why separate light modus-operandi-theme and dark modus-vivendi-theme, but not one modus-theme with both modes?