From mboxrd@z Thu Jan 1 00:00:00 1970 From: phillip.lord@newcastle.ac.uk (Phillip Lord) Subject: Re: save folded state Date: Mon, 02 Feb 2015 12:50:04 +0000 Message-ID: <87sieo5vgj.fsf@newcastle.ac.uk> References: <87k307x0se.fsf@newcastle.ac.uk> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:47748) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YIGSC-0004gM-Mt for emacs-orgmode@gnu.org; Mon, 02 Feb 2015 07:50:18 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YIGS8-0000z8-0m for emacs-orgmode@gnu.org; Mon, 02 Feb 2015 07:50:12 -0500 Received: from cheviot22.ncl.ac.uk ([128.240.234.22]:42585) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YIGS7-0000rD-RA for emacs-orgmode@gnu.org; Mon, 02 Feb 2015 07:50:07 -0500 In-Reply-To: (John Kitchin's message of "Tue, 27 Jan 2015 19:27:08 -0500") List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: John Kitchin Cc: Org Mode List Worth trying the buffer-invisibility-spec solution. I'd be interested to know if it works or not. Although I wonder whether the commands that you are using really should be obeying visibility context. Phil John Kitchin writes: > yes, I meant programatically. I was having some issue in selecting > contex using commands that grab what is visible. So for things inside a > folded section it was not grabbing the right context. > > I solved it by doing something similar to what you describe, i.e. a > tempbuffer. > > lentic looks pretty interesting. > > Phillip Lord writes: > >> You mean programmatically? Is folding not just implemented with >> invisible overlays? If so, why do you need to change this to get >> context? >> >> You can try setting buffer-invisibility-spec temporarily. For example, >> run this function in a folded org-mode buffer. >> >> (defun temp () >> (interactive) >> (message "invisibility spec stuff") >> (let ((buffer-invisibility-spec '())) >> (message "sitting") >> (sit-for 5)) >> (message "done")) >> >> It unfolds everything but having the display engine ignore all >> overlays/text properties. >> >> If you want to do this interactively, and you will forgive the plug, my >> own package, lentic, would enable you to do this. You can open up a >> second buffer which has the same text as the first, but could be folded >> completely independently of the original. At the moment, you only get >> one copy, but I'll expand that to any number at some point. When you're >> finished kill the copy, and all the changed folding goes with it. >> >> Phil >> >> >> John Kitchin writes: >> >>> I am trying to map over a buffer with headlines in various states of >>> folded, and get context around certain elements. I find I need to fully >>> expand the buffer to get the context in the way I am currently doing it >>> (e.g. getting the lines around the element), but I would like to put the >>> buffer back to the way it was when I am finished. This is not done with >>> the usual macros like save-excursion, save-restriction, etc... Is there >>> a way to do this other than a temp buffer? >>> >>> thanks, >>> >>> -- >>> Professor John Kitchin >>> Doherty Hall A207F >>> Department of Chemical Engineering >>> Carnegie Mellon University >>> Pittsburgh, PA 15213 >>> 412-268-7803 >>> @johnkitchin >>> http://kitchingroup.cheme.cmu.edu > > -- > Professor John Kitchin > Doherty Hall A207F > Department of Chemical Engineering > Carnegie Mellon University > Pittsburgh, PA 15213 > 412-268-7803 > @johnkitchin > http://kitchingroup.cheme.cmu.edu > > -- Phillip Lord, Phone: +44 (0) 191 208 7827 Lecturer in Bioinformatics, Email: phillip.lord@newcastle.ac.uk School of Computing Science, http://homepages.cs.ncl.ac.uk/phillip.lord Room 914 Claremont Tower, skype: russet_apples Newcastle University, twitter: phillord NE1 7RU