Received: (at 5018) by debbugs.gnu.org; 7 Jun 2017 04:54:13 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Jun 07 00:54:13 2017 Received: from localhost ([127.0.0.1]:60173 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1dISyz-0004VR-EF for submit <at> debbugs.gnu.org; Wed, 07 Jun 2017 00:54:13 -0400 Received: from eggs.gnu.org ([208.118.235.92]:34449) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1dISyy-0004VC-2U for 5018 <at> debbugs.gnu.org; Wed, 07 Jun 2017 00:54:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1dISyo-0003Li-SI for 5018 <at> debbugs.gnu.org; Wed, 07 Jun 2017 00:54:06 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,T_RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:42967) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1dISyo-0003La-P7; Wed, 07 Jun 2017 00:54:02 -0400 Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3575 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from <eliz@HIDDEN>) id 1dISyo-00027U-0B; Wed, 07 Jun 2017 00:54:02 -0400 Date: Wed, 07 Jun 2017 07:53:56 +0300 Message-Id: <83y3t48kkb.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Michael Brand <michael.ch.brand@HIDDEN> In-reply-to: <CALn3zoiorXM6ozc62aTej2zTUpOpmorzMd6-=omQtWVBuqhDmQ@HIDDEN> (message from Michael Brand on Tue, 6 Jun 2017 21:40:02 +0200) Subject: Re: bug#5018: 23.1.50; Feature request: truncate-lines text property References: <m2d4397coo.fsf@HIDDEN> <CALn3zojfEZSVXm-dd=4o-HRsFFEonSKpnYTCV_mEY9vf0gbEPA@HIDDEN> <83vaoba80r.fsf@HIDDEN> <CALn3zoj8xJc+pQv_Qa9PMEgS75on7X3=c=TG9K-7Gh0XATmGKQ@HIDDEN> <83fufea1bf.fsf@HIDDEN> <CALn3zoiorXM6ozc62aTej2zTUpOpmorzMd6-=omQtWVBuqhDmQ@HIDDEN> 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-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 5018 Cc: 5018 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Reply-To: Eli Zaretskii <eliz@HIDDEN> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -5.0 (-----) > From: Michael Brand <michael.ch.brand@HIDDEN> > Date: Tue, 6 Jun 2017 21:40:02 +0200 > Cc: 5018 <at> debbugs.gnu.org > > I would agree to set the property on the first char of non-empty > lines. OK. > > What other solution is possible? > > Not that I would know. With the knowledge about the internals missing > on my side it looked unnatural in the first place to use a property of > a char for a property related to a line. We already have similar features, like the line-prefix property.
bug-gnu-emacs@HIDDEN:bug#5018; Package emacs.
Full text available.Received: (at 5018) by debbugs.gnu.org; 6 Jun 2017 19:40:11 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Jun 06 15:40:11 2017 Received: from localhost ([127.0.0.1]:59881 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1dIKKp-0002Yf-1b for submit <at> debbugs.gnu.org; Tue, 06 Jun 2017 15:40:11 -0400 Received: from mail-qt0-f175.google.com ([209.85.216.175]:35001) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <michael.ch.brand@HIDDEN>) id 1dIKKn-0002YA-0t for 5018 <at> debbugs.gnu.org; Tue, 06 Jun 2017 15:40:09 -0400 Received: by mail-qt0-f175.google.com with SMTP id w1so142542521qtg.2 for <5018 <at> debbugs.gnu.org>; Tue, 06 Jun 2017 12:40:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=32MmwdeOJMyDTqTqZK4VkmoEyeVt5kLN3NSwrR3jUQc=; b=h6YSjju/1XgyLSP6Cc5qm/5h51gQ8+Lr5A90zWwOblIyGT1QWxc985GdyDxRQfjmH9 1ug4iEWgO55ErNjhqV/zrXzEDgz+SiyQjhD0L+SyKyJc0TSwiDJRVv2B8sgMeddzs/RN 4Z0R+hyuOZpYBdcQUxPWLUwo6VaWJtXWfHKdT/ZI7QT2UQHt3cmQB4kFckz4i/UX++rP xB1Op849KFvzHmRQqzYkE/1Ixq6iTJ8fDsMhy/kGg7slBzTZRyC9lnwOgIp3fM+qaC+I Frwl9i4VKMaxw/bMUzwlcrkh8TdS0ZyMdYYm/Bylx+Wi7ZrBBiC+u4tbrNvQ9bZYrX6A ieJA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=32MmwdeOJMyDTqTqZK4VkmoEyeVt5kLN3NSwrR3jUQc=; b=a1Czk0//A5RLdYc9WGsy16JUycYC66PGSq+79CqzJ8Ku9Z68EsBWk1mhSnrv1nF+gZ DzUS7n8vaohferpXdmrbp2c9PF1U47vHtKNJ9RGQmjO5BoV4jeN8Z2lL75etDhbzwJDK 8CMUsauJMIQ2tkkQTAbwVbPWdwe6Fmu3Si9KrwxFrz6DDhVFSNUJxnoOeSeUbmxE02y7 VdyfSRZCnKeQdQ86f+CWc6LXW0Zl/KRrQj8sDfGUifK24jFAQDQpQ3mi02wr0ec6fGw0 GoHAm/wIIhBsRjdPh90XF9kH/bV0w+4USTmlSqttGopmABXazDO2DjztSmzu3LiDeLKf QPEQ== X-Gm-Message-State: AODbwcA0KXAY4OA0gIGVRlvVd1eCIyjRXNRHvayFgA4aWycttV8RfNmS LMiqSTTyzJO/oIR5pwglkgtjOTyaoQ== X-Received: by 10.200.37.129 with SMTP id e1mr32197640qte.21.1496778003492; Tue, 06 Jun 2017 12:40:03 -0700 (PDT) MIME-Version: 1.0 Received: by 10.12.148.166 with HTTP; Tue, 6 Jun 2017 12:40:02 -0700 (PDT) In-Reply-To: <83fufea1bf.fsf@HIDDEN> References: <m2d4397coo.fsf@HIDDEN> <CALn3zojfEZSVXm-dd=4o-HRsFFEonSKpnYTCV_mEY9vf0gbEPA@HIDDEN> <83vaoba80r.fsf@HIDDEN> <CALn3zoj8xJc+pQv_Qa9PMEgS75on7X3=c=TG9K-7Gh0XATmGKQ@HIDDEN> <83fufea1bf.fsf@HIDDEN> From: Michael Brand <michael.ch.brand@HIDDEN> Date: Tue, 6 Jun 2017 21:40:02 +0200 Message-ID: <CALn3zoiorXM6ozc62aTej2zTUpOpmorzMd6-=omQtWVBuqhDmQ@HIDDEN> Subject: Re: bug#5018: 23.1.50; Feature request: truncate-lines text property To: Eli Zaretskii <eliz@HIDDEN> Content-Type: text/plain; charset="UTF-8" X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 5018 Cc: 5018 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -0.0 (/) Hi Eli On Mon, Jun 5, 2017 at 5:42 PM, Eli Zaretskii <eliz@HIDDEN> wrote: > If you decide to try it, I suggest to start by looking at my recent > changes that introduced hscrolling of only the current line. This > feature should use similar techniques and touch the same places. Thanks for the pointer, looks good for a start. > The property on a newline makes the preceding line truncated or the > following line? If the former, than what about the last line in a > buffer that doesn't end in a newline? Also, looking for the property > in a very long line could slow down redisplay, since it would need to > know about this when it gets to the first character of the line. I would agree to set the property on the first char of non-empty lines. > What other solution is possible? Not that I would know. With the knowledge about the internals missing on my side it looked unnatural in the first place to use a property of a char for a property related to a line. > It could well be that the first variant is easier to implement. Good to know. I just stumbled over the new current-line hscrolling in the commit log, interesting. > I'm not sure. Most if not all of the relevant people read the bug > list as well. Perhaps post a short message to emacs-devel telling the > interested people to read this discussion either via the bug tracker > or via the bug-gnu-emacs list. Bug tracker and bug-gnu-emacs list seems OK to me. Michael
bug-gnu-emacs@HIDDEN:bug#5018; Package emacs.
Full text available.Received: (at 5018) by debbugs.gnu.org; 5 Jun 2017 15:42:32 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Jun 05 11:42:32 2017 Received: from localhost ([127.0.0.1]:57885 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1dHu9I-0002MM-CD for submit <at> debbugs.gnu.org; Mon, 05 Jun 2017 11:42:32 -0400 Received: from eggs.gnu.org ([208.118.235.92]:43161) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1dHu9G-0002M8-Q2 for 5018 <at> debbugs.gnu.org; Mon, 05 Jun 2017 11:42:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1dHu98-0005Qf-Da for 5018 <at> debbugs.gnu.org; Mon, 05 Jun 2017 11:42:25 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:41102) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1dHu98-0005Qb-9i; Mon, 05 Jun 2017 11:42:22 -0400 Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1278 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from <eliz@HIDDEN>) id 1dHu97-0002he-CI; Mon, 05 Jun 2017 11:42:21 -0400 Date: Mon, 05 Jun 2017 18:42:12 +0300 Message-Id: <83fufea1bf.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Michael Brand <michael.ch.brand@HIDDEN> In-reply-to: <CALn3zoj8xJc+pQv_Qa9PMEgS75on7X3=c=TG9K-7Gh0XATmGKQ@HIDDEN> (message from Michael Brand on Mon, 5 Jun 2017 11:29:54 +0200) Subject: Re: bug#5018: 23.1.50; Feature request: truncate-lines text property References: <m2d4397coo.fsf@HIDDEN> <CALn3zojfEZSVXm-dd=4o-HRsFFEonSKpnYTCV_mEY9vf0gbEPA@HIDDEN> <83vaoba80r.fsf@HIDDEN> <CALn3zoj8xJc+pQv_Qa9PMEgS75on7X3=c=TG9K-7Gh0XATmGKQ@HIDDEN> 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-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 5018 Cc: 5018 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Reply-To: Eli Zaretskii <eliz@HIDDEN> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -5.0 (-----) > From: Michael Brand <michael.ch.brand@HIDDEN> > Date: Mon, 5 Jun 2017 11:29:54 +0200 > Cc: 5018 <at> debbugs.gnu.org > > > Would you like to work on implementing this feature? I can provide > > guidance if needed. > > I can try. Maybe too ambitious for me or at least for me alone. I am > new for example to the style of C in Emacs and to the display engine. > And as usual for everybody my time is limited but as I have a need for > this feature since maybe years I could compensate a bit with patience > unless anybody wants to beat me. If you decide to try it, I suggest to start by looking at my recent changes that introduced hscrolling of only the current line. This feature should use similar techniques and touch the same places. > > . what text is supposed to have this property to mark the line as > > truncated, and how will Emacs know where the effect of the > > property ends? e.g., will we require the property to be set on > > the entire line, including the newline, or will it be enough to > > set it only on part of the line? > > The property only on \n looks good at first sight The property on a newline makes the preceding line truncated or the following line? If the former, than what about the last line in a buffer that doesn't end in a newline? Also, looking for the property in a very long line could slow down redisplay, since it would need to know about this when it gets to the first character of the line. > Anyway, I don't know if a text property will be the right solution in > the end. What other solution is possible? > > . when point moves along a line which is being truncated, and goes > > outside of the visible portion of the window, how do we want to > > hscroll the text in the window, in those parts that display lines > > which wrap? > > This made me think most. > > My first thought was: > > Truncate on the left in sync with truncated lines and rewrap on the > right > > : ################# > : trunc1 tr#$unc2 trunc3 t$# > : wrap1 wra#$p2 wrap3 wrap\# > : 4 wrap5 w#$rap6 wrap7 wr\# > : ap8 # # > : ################# > > would lower or avoid column-related problems like with rectangle edit > or ruler-mode. On the other hand I hope that changing what is the > buffer bottom line after rewrap would not call for other problems. > > But what would it help to wrap on the right when information is > already hidden on the left? So... > > My second thought is: > > Fall back to truncate all lines > > : ################# > : trunc1 tr#$unc2 trunc3 t$# > : wrap1 wra#$p2 wrap3 wrap$# > : more line#$s # > : even more#$ lines # > : ################# > > until column 0 becomes visible again is probably much easier, also for > the user to understand what happens. It could well be that the first variant is easier to implement. > Should this discussion move to emacs-devel to reach more developers? I'm not sure. Most if not all of the relevant people read the bug list as well. Perhaps post a short message to emacs-devel telling the interested people to read this discussion either via the bug tracker or via the bug-gnu-emacs list.
bug-gnu-emacs@HIDDEN:bug#5018; Package emacs.
Full text available.Received: (at 5018) by debbugs.gnu.org; 5 Jun 2017 11:09:42 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Jun 05 07:09:41 2017 Received: from localhost ([127.0.0.1]:56545 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1dHptF-0000aJ-Mi for submit <at> debbugs.gnu.org; Mon, 05 Jun 2017 07:09:41 -0400 Received: from mail-wr0-f181.google.com ([209.85.128.181]:34021) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <vladimir.alexiev@HIDDEN>) id 1dHptD-0000a5-5Y for 5018 <at> debbugs.gnu.org; Mon, 05 Jun 2017 07:09:39 -0400 Received: by mail-wr0-f181.google.com with SMTP id g76so36369216wrd.1 for <5018 <at> debbugs.gnu.org>; Mon, 05 Jun 2017 04:09:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ontotext.com; s=google; h=from:to:references:in-reply-to:subject:date:organization:message-id :mime-version:content-transfer-encoding:thread-index :content-language; bh=+4XVVfzuwr42hvjxx4mjc4NFWMSrEgs3Vw1cajgp+1E=; b=L4DRXNX0OKC5M3aOLUCMWvEKWc/Jg05OdzUdyhFpEf9/VkuSrwYT8oqsmj6891bZf7 vs6wqzQ0h6pTFvo2gH1LN4THhES1Noenw11AOFRrDVMKQmmvramzz8zBV8WcmzzkCbSp UxD3PLF+j7kXeMDVlazD9k21eDb+tQZXd+Dv86TMQ6Ryf2flsDi1HlWPA9ZjKMEDVXOc wSYoyc0kc85u31UFRPlI0RwJqBVaZRRTIGG+O0TqGqYZCOqx0roGx+AjCWeG1RaSkVJr 4XhmIRVvTdQ2Vp5w9tEHfqCKf59a3+5CugExq1Ox0HFWCgfQIahONoatlW81diDbrNy5 ZbgQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:references:in-reply-to:subject:date :organization:message-id:mime-version:content-transfer-encoding :thread-index:content-language; bh=+4XVVfzuwr42hvjxx4mjc4NFWMSrEgs3Vw1cajgp+1E=; b=gI8loj+uDJQdbY4iKIJuPpZScunrppqNyJnpPX0ckjolTfqDa3azEQA37NRCTljLlU 8Kk2UGnOhMru1p5NM+SvVhkenvgXI8KgrGGm7gMcZOBCrt/g6RCTYw/1Kswu4SU+c07i qqJi4RxlSii1qKowtBt/m0cY3NKJFgGNrMitDEpivhahPg0Yi3ljk0LcAHRnGoKZuLMn yLOPbPjFaTr8NyvPZTbGPTjjU6stw98DmHOmgI2oAdC+jdxDH51HNhd6KbUTPLHzCkzH OxxDqXAYZ/xri1ttCjuPup4+aPTPHpd+iqs94e5YT9Bxak9cKc2JAOd+fAssFcTDe2/f zCEg== X-Gm-Message-State: AODbwcDK437suod0S950Da1QDWqRKUodeYSk4vXHgTs3fIJoVLd3vAMB sPN5xlf/59rZdpCLiaE= X-Received: by 10.223.135.153 with SMTP id b25mr9233706wrb.48.1496660972974; Mon, 05 Jun 2017 04:09:32 -0700 (PDT) Received: from vladimir (client-93-123-21-124.ip.daticum.com. [93.123.21.124]) by smtp.gmail.com with ESMTPSA id o200sm10680325wmg.22.2017.06.05.04.09.32 for <5018 <at> debbugs.gnu.org> (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 05 Jun 2017 04:09:32 -0700 (PDT) From: "Vladimir Alexiev" <vladimir.alexiev@HIDDEN> To: <5018 <at> debbugs.gnu.org> References: <87k309s326.fsf@HIDDEN> <CALn3zogLJZuL6q_oVixsc_U7s+Q+Kk_ZR+AZgb0GwWrE6f8rnw@HIDDEN> In-Reply-To: <CALn3zogLJZuL6q_oVixsc_U7s+Q+Kk_ZR+AZgb0GwWrE6f8rnw@HIDDEN> Subject: RE: [O] truncate-lines for org tables, visual-line-mode for rest? Date: Mon, 5 Jun 2017 14:09:32 +0300 Organization: Ontotext Corp Message-ID: <03c401d2ddec$35ac4b70$a104e250$@ontotext.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQG8TLQlpZj17FDUPxkbHDk5SlFhngFAc7uwojk7EcA= Content-Language: en-us X-Spam-Score: -2.8 (--) X-Debbugs-Envelope-To: 5018 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -2.8 (--) That would be very useful for me too: wrap in paragraphs, don't wrap in org tables. Unfortunately I can't help with coding.
bug-gnu-emacs@HIDDEN:bug#5018; Package emacs.
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From: Michael Brand <michael.ch.brand@HIDDEN>
Date: Mon, 5 Jun 2017 11:29:54 +0200
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Subject: Re: bug#5018: 23.1.50; Feature request: truncate-lines text property
To: Eli Zaretskii <eliz@HIDDEN>
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Hi Eli
Thank you for looking into this and for offering guidance.
On Sun, Jun 4, 2017 at 9:05 PM, Eli Zaretskii <eliz@HIDDEN> wrote:
> Would you like to work on implementing this feature? I can provide
> guidance if needed.
I can try. Maybe too ambitious for me or at least for me alone. I am
new for example to the style of C in Emacs and to the display engine.
And as usual for everybody my time is limited but as I have a need for
this feature since maybe years I could compensate a bit with patience
unless anybody wants to beat me.
> I would propose to come up with an agreed set of requirements for the
> feature. The original request is quite vague and leaves a lot TBD.
> For example:
These are good points, they show me already some weak points I was
missing.
> . is the override supposed to work in reverse, i.e. when the
> buffer-specific value of truncate-lines is non-nil, but the
> property's value is nil, is it expected that the line with the
> property will wrap instead of being truncated?
In my opinion first the property only non-nil, nil can be postponed if
it helps.
> . what text is supposed to have this property to mark the line as
> truncated, and how will Emacs know where the effect of the
> property ends? e.g., will we require the property to be set on
> the entire line, including the newline, or will it be enough to
> set it only on part of the line?
The property only on \n looks good at first sight, missing the last
line accepted when without \n. Maybe editing becomes easier when the
property is on the entire line.
Anyway, I don't know if a text property will be the right solution in
the end.
> . should truncate-partial-width-windows obey this property as well?
In my opinion yes, as soon as the property nil is respected.
> . when point moves along a line which is being truncated, and goes
> outside of the visible portion of the window, how do we want to
> hscroll the text in the window, in those parts that display lines
> which wrap?
This made me think most.
My first thought was:
Truncate on the left in sync with truncated lines and rewrap on the
right
: #################
: trunc1 tr#$unc2 trunc3 t$#
: wrap1 wra#$p2 wrap3 wrap\#
: 4 wrap5 w#$rap6 wrap7 wr\#
: ap8 # #
: #################
would lower or avoid column-related problems like with rectangle edit
or ruler-mode. On the other hand I hope that changing what is the
buffer bottom line after rewrap would not call for other problems.
But what would it help to wrap on the right when information is
already hidden on the left? So...
My second thought is:
Fall back to truncate all lines
: #################
: trunc1 tr#$unc2 trunc3 t$#
: wrap1 wra#$p2 wrap3 wrap$#
: more line#$s #
: even more#$ lines #
: #################
until column 0 becomes visible again is probably much easier, also for
the user to understand what happens.
> . should we also truncate if this property is on a display string or
> on an overlay string, or only if it's on buffer text?
It could make sense to wrap an Org mode heading without the property
or nil and truncate as soon as the overlay from Org column view adds
an overlay with the property non-nil. But at first I would say it is
enough to ignore the property on overlays. There should always be a
user choice to truncate everything or noting like now for such
imperfect situations.
Should this discussion move to emacs-devel to reach more developers?
Michael
bug-gnu-emacs@HIDDEN:bug#5018; Package emacs.
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Date: Sun, 04 Jun 2017 22:05:08 +0300
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From: Eli Zaretskii <eliz@HIDDEN>
To: Michael Brand <michael.ch.brand@HIDDEN>
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(message from Michael Brand on Sun, 4 Jun 2017 20:11:51 +0200)
Subject: Re: bug#5018: 23.1.50; Feature request: truncate-lines text property
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> From: Michael Brand <michael.ch.brand@HIDDEN>
> Date: Sun, 4 Jun 2017 20:11:51 +0200
>
> I would like to express my serious interest in this.
Would you like to work on implementing this feature? I can provide
guidance if needed.
> I would like to add that this new feature would have to allow to a)
> truncate all lines, b) truncate only the lines with the new text
> property or c) not truncate any line.
I would propose to come up with an agreed set of requirements for the
feature. The original request is quite vague and leaves a lot TBD.
For example:
. is the override supposed to work in reverse, i.e. when the
buffer-specific value of truncate-lines is non-nil, but the
property's value is nil, is it expected that the line with the
property will wrap instead of being truncated?
. what text is supposed to have this property to mark the line as
truncated, and how will Emacs know where the effect of the
property ends? e.g., will we require the property to be set on
the entire line, including the newline, or will it be enough to
set it only on part of the line?
. should truncate-partial-width-windows obey this property as well?
. when point moves along a line which is being truncated, and goes
outside of the visible portion of the window, how do we want to
hscroll the text in the window, in those parts that display lines
which wrap?
. should we also truncate if this property is on a display string or
on an overlay string, or only if it's on buffer text?
Needless to say, the more we require from the feature, the harder it
will be to implement correctly. We should choose wisely.
bug-gnu-emacs@HIDDEN:bug#5018; Package emacs.
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Date: Sun, 4 Jun 2017 20:11:51 +0200
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Content preview: Hi all I would like to express my serious interest in this.
The smaller and the more mobile the devices become, the more useful this
feature seems to be. Besides the initial discussion for this feature request
here http://lists.gnu.org/archive/html/emacs-devel/2009-11/msg00883.html
there was a discussion (maybe several?) about this on the Org mode mailing
list here:
http://lists.gnu.org/archive/html/emacs-orgmode/2015-01/msg00640.html
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Content preview: Hi all I would like to express my serious interest in this.
The smaller and the more mobile the devices become, the more useful this
feature seems to be. Besides the initial discussion for this feature request
here http://lists.gnu.org/archive/html/emacs-devel/2009-11/msg00883.html
there was a discussion (maybe several?) about this on the Org mode mailing
list here: http://lists.gnu.org/archive/html/emacs-orgmode/2015-01/msg00640.html
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Hi all
I would like to express my serious interest in this. The smaller and
the more mobile the devices become, the more useful this feature seems
to be.
Besides the initial discussion for this feature request here
http://lists.gnu.org/archive/html/emacs-devel/2009-11/msg00883.html
there was a discussion (maybe several?) about this on the Org mode
mailing list here:
http://lists.gnu.org/archive/html/emacs-orgmode/2015-01/msg00640.html
The partial workaround discussed there to narrow a table column is not
really useful as it does not reveal the content when the buffer is
made wide enough, and it does not apply to for instance source code
blocks.
I would like to add that this new feature would have to allow to a)
truncate all lines, b) truncate only the lines with the new text
property or c) not truncate any line.
Michael
bug-gnu-emacs@HIDDEN:bug#5018; Package emacs.
Full text available.Glenn Morris <rgm@HIDDEN>
to control@HIDDEN.
Full text available.Received: (at submit) by emacsbugs.donarmstrong.com; 23 Nov 2009 10:33:52 +0000 From carsten.dominik@HIDDEN Mon Nov 23 02:33:52 2009 X-Spam-Checker-Version: SpamAssassin 3.2.5-bugs.debian.org_2005_01_02 (2008-06-10) on rzlab.ucr.edu X-Spam-Level: X-Spam-Bayes: score:0.5 Bayes not run. spammytokens:Tokens not available. hammytokens:Tokens not available. X-Spam-Status: No, score=0.9 required=4.0 tests=AWL autolearn=ham version=3.2.5-bugs.debian.org_2005_01_02 Received: from fencepost.gnu.org (fencepost.gnu.org [140.186.70.10]) by rzlab.ucr.edu (8.14.3/8.14.3/Debian-5) with ESMTP id nANAXpqE018239 for <submit@HIDDEN>; Mon, 23 Nov 2009 02:33:52 -0800 Received: from mail.gnu.org ([199.232.76.166]:57356 helo=mx10.gnu.org) by fencepost.gnu.org with esmtp (Exim 4.67) (envelope-from <carsten.dominik@HIDDEN>) id 1NCWEw-0006GD-MJ for emacs-pretest-bug@HIDDEN; Mon, 23 Nov 2009 05:33:50 -0500 Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from <carsten.dominik@HIDDEN>) id 1NCWEt-00022H-QF for emacs-pretest-bug@HIDDEN; Mon, 23 Nov 2009 05:33:49 -0500 Received: from u016822.science.uva.nl ([146.50.39.34]:49285 helo=carsten-dominiks-macbook-pro.local) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from <carsten.dominik@HIDDEN>) id 1NCWEt-000223-0G for emacs-pretest-bug@HIDDEN; Mon, 23 Nov 2009 05:33:47 -0500 Received: by carsten-dominiks-macbook-pro.local (Postfix, from userid 501) id F0A5D146A2D3; Mon, 23 Nov 2009 11:33:44 +0100 (CET) From: Carsten Dominik <carsten.dominik@HIDDEN> To: emacs-pretest-bug@HIDDEN Subject: 23.1.50; Feature request: truncate-lines text property Date: Mon, 23 Nov 2009 11:33:43 +0100 Message-ID: <m2d4397coo.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-detected-operating-system: by monty-python.gnu.org: Genre and OS details not recognized. Hi, this is a feature request. I would like to have a text property `truncate-lines' that can be used to locally overrule the buffer-local or global value of the `truncate-lines' variable. The reason for this is that visual-line-mode and (setq wrap-word t) make a good environment to allow people to write in paragraph-oriented way, but that text documents often contain blocks where line wrapping is undesirable, such as a table, ASCII drawings, of source code examples. Org-mode is a good example for a mode where text is intermingled with these types of structured material. A truncate-line property would allow a mode to arrange this property to be set to t for specific lines only and in this way make it possible to get the best of two worlds in a single buffer. Thanks for considering it. - Carsten
Carsten Dominik <carsten.dominik@HIDDEN>:Emacs Bugs <bug-gnu-emacs@HIDDEN>.
Full text available.bug-submit-list@HIDDEN, Emacs Bugs <bug-gnu-emacs@HIDDEN>:bug#5018; Package emacs.
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