From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Question about display engine Date: Thu, 08 Aug 2019 20:35:57 +0300 Message-ID: <83y303a7b6.fsf@gnu.org> References: <20190807005411.qfzzpz5cjrajbwn2@Ergus> <83o911aukn.fsf@gnu.org> <20190807153220.ssijgjxnf6dszz45@Ergus> <83k1bpasic.fsf@gnu.org> <20190807155738.yviofsumjjhqueci@Ergus> <83imr9ar9f.fsf@gnu.org> <0975890b-37b4-428d-f6e5-5dcf894fb6be@gmx.at> <83ftmdapxm.fsf@gnu.org> <20190808081553.5dpwuomixtyhixcc@Ergus> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="191688"; mail-complaints-to="usenet@blaine.gmane.org" Cc: rudalics@gmx.at, emacs-devel@gnu.org To: Ergus Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Aug 08 19:36:27 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hvmKs-000naT-BT for ged-emacs-devel@m.gmane.org; Thu, 08 Aug 2019 19:36:22 +0200 Original-Received: from localhost ([::1]:54310 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hvmKr-0004UA-DB for ged-emacs-devel@m.gmane.org; Thu, 08 Aug 2019 13:36:21 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:35409) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hvmKa-0004U2-2c for emacs-devel@gnu.org; Thu, 08 Aug 2019 13:36:05 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:38586) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hvmKZ-0000s3-Nw; Thu, 08 Aug 2019 13:36:03 -0400 Original-Received: from [176.228.60.248] (port=1500 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1hvmKY-0007Dw-VY; Thu, 08 Aug 2019 13:36:03 -0400 In-reply-to: <20190808081553.5dpwuomixtyhixcc@Ergus> (message from Ergus on Thu, 8 Aug 2019 10:15:53 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:239256 Archived-At: > Date: Thu, 8 Aug 2019 10:15:53 +0200 > From: Ergus > Cc: martin rudalics , emacs-devel@gnu.org > > In gui our actual behavior seems to be very reasonable and simple (And > we haven't too many complains about this.). It extends the region > colors, but not the underline (and similes). For me this makes sense > because underline empty spaces after \n, until the page border, does not > really means anything as conceptually there is nothing that should be > underlined there. > > The "surprise" is that there is no code for this effect in the display > engine and it has to do with some X||gtk feature in use. (That's why I > needed to ad an extra glyph after the indicator.) We simply clear-to-end-of-line using the background color. > I think that these are the most extended approaches around (so we don't > need to reinvent the wheel) and Eli should make the design choice so > we/he can start implementing that; otherwise it will be forgotten after > hours and hours of arguments and at the end there will be always > somebody unhappy. I don't think this is just my decision, I still hope others will chime in with opinions.