From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.help Subject: Re: relative line numbers and folding: how to make they play along? Date: Wed, 13 Jul 2016 23:23:05 +0300 Message-ID: <83lh158eza.fsf@gnu.org> References: <8360sbcvbz.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1468441447 30739 80.91.229.3 (13 Jul 2016 20:24:07 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 13 Jul 2016 20:24:07 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed Jul 13 22:24:07 2016 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1bNQhR-00039F-9g for geh-help-gnu-emacs@m.gmane.org; Wed, 13 Jul 2016 22:24:05 +0200 Original-Received: from localhost ([::1]:49790 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bNQhQ-00035C-Ax for geh-help-gnu-emacs@m.gmane.org; Wed, 13 Jul 2016 16:24:04 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:49403) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bNQh1-00034s-Cz for help-gnu-emacs@gnu.org; Wed, 13 Jul 2016 16:23:40 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bNQgw-0002DU-Ga for help-gnu-emacs@gnu.org; Wed, 13 Jul 2016 16:23:39 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:60556) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bNQgw-0002DQ-Dd for help-gnu-emacs@gnu.org; Wed, 13 Jul 2016 16:23:34 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1234 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1bNQgs-00017u-Jd for help-gnu-emacs@gnu.org; Wed, 13 Jul 2016 16:23:33 -0400 In-reply-to: (message from Stefan Monnier on Wed, 13 Jul 2016 16:10:30 -0400) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:110820 Archived-At: > From: Stefan Monnier > Date: Wed, 13 Jul 2016 16:10:30 -0400 > > I think to implement relative-visual-linum-mode efficiently, we'd need > help from the display engine. E.g.: > - First perform redisplay of the window. > - then, go through the window, visual-line by visual-line > and add something in the margin. > - then update the margin part of the matrices. AFAIU, this would cause a momentary flickering of an incorrect display (without the line numbers), until they are computed and displayed. And I still don't see any answer to my question, alas.