From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Keith David Bershatsky Newsgroups: gmane.emacs.devel Subject: Obtain X / HPOS with move_it_to at eol when buffer-display-table line-feed Date: Tue, 29 Aug 2017 00:01:16 -0700 Message-ID: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Trace: blaine.gmane.org 1503990126 5140 195.159.176.226 (29 Aug 2017 07:02:06 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 29 Aug 2017 07:02:06 +0000 (UTC) To: Emacs Devel Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Aug 29 09:01:51 2017 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dmaWr-0000Dy-Ga for ged-emacs-devel@m.gmane.org; Tue, 29 Aug 2017 09:01:42 +0200 Original-Received: from localhost ([::1]:43144 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dmaWx-0000s3-HK for ged-emacs-devel@m.gmane.org; Tue, 29 Aug 2017 03:01:47 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43547) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dmaWr-0000rh-8t for emacs-devel@gnu.org; Tue, 29 Aug 2017 03:01:42 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dmaWl-0002rl-R3 for emacs-devel@gnu.org; Tue, 29 Aug 2017 03:01:41 -0400 Original-Received: from gateway34.websitewelcome.com ([192.185.149.62]:15426) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dmaWl-0002lq-In for emacs-devel@gnu.org; Tue, 29 Aug 2017 03:01:35 -0400 Original-Received: from cm12.websitewelcome.com (cm12.websitewelcome.com [100.42.49.8]) by gateway34.websitewelcome.com (Postfix) with ESMTP id 957A76B2CA0 for ; Tue, 29 Aug 2017 02:01:17 -0500 (CDT) Original-Received: from gator3053.hostgator.com ([50.87.144.69]) by cmsmtp with SMTP id maVWdevSVdHTnmaVXd0ynA; Tue, 29 Aug 2017 02:00:19 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lawlist.com ; s=default; h=Content-Type:MIME-Version:Subject:To:From:Message-ID:Date: Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=tjArUxp76GSfgDQ584hjxPdXjXYVVzwKkZsR8AgRMOc=; b=h/bUc/lBcqXpkfCIebDTVSGyU1 stcG4Co22iyWKzcJlT5EgkD98u9vqZKc+NgBstxXyCFDkGDwBLfrfoFxl9J8G8OnOS1TQbaWwR+Yp UGnzAk0Gu4PDiN3qDrKB4RDaTxhwnJnx/yfY4vWSIKtO8U0e1+rCMHE0OBjIj+r3ug1CPTWuJ8ipk Ylpb5oiW9eFAsdQ0upfJpDjKJfZSRgIx1MF/RT2d7hxPHcD4WE8C4VpQD5T9X2GN6NqK2fuO1PEFi 8F8WYehCDr4a+B130e0Pd9G6hagFvkxX9XyeouBxYfoCEMTE8dZZx4FBbS0dEbzC7Bwjxyl6zZZIL MuR+bUvA==; Original-Received: from cpe-45-48-239-195.socal.res.rr.com ([45.48.239.195]:57973 helo=server.private) by gator3053.hostgator.com with esmtpsa (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.87) (envelope-from ) id 1dmaWS-002brk-Rz for emacs-devel@gnu.org; Tue, 29 Aug 2017 02:01:16 -0500 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator3053.hostgator.com X-AntiAbuse: Original Domain - gnu.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lawlist.com X-BWhitelist: no X-Source-IP: 45.48.239.195 X-Exim-ID: 1dmaWS-002brk-Rz X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: cpe-45-48-239-195.socal.res.rr.com (server.private) [45.48.239.195]:57973 X-Source-Auth: lawlist X-Email-Count: 1 X-Source-Cap: bGF3bGlzdDtsYXdsaXN0O2dhdG9yMzA1My5ob3N0Z2F0b3IuY29t X-Local-Domain: yes X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 192.185.149.62 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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:217871 Archived-At: I am working on my own feature requests 17684 (thin vertical line) and 22873 (multiple fake cursors). I am having difficulty calculating the X and HPOS using move_it_to when a buffer-display-table contains an entry for a line feed (aka \n). I am looking for a more eloquent way of of handling this instead of subtracting the frame-char-width from it.current.pos, and also subtracting 1 from it.current.hpos. We can test the buffer-display-table with something like (aref buffer-display-table ?\n), which in my use-case yields [(182 . 127) 10] because I also use face to color the eol character. We test for a line feed with: FETCH_BYTE (IT_BYTEPOS (it)) == '\n' We move to POS using: move_it_to (&it, POS, it.last_visible_x, it.last_visible_y - 1, -1, MOVE_TO_POS | MOVE_TO_X | MOVE_TO_Y); Is there a better way to handle this instead of subtracting frame-char-width from X and subtracting 1 from HPOS? Thanks, Keith