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From: Aaron Ecay <aaronecay@gmail.com>
To: emacs-orgmode@gnu.org
Subject: [RFC] [PATCH] ox-latex: support :float no with caption for minted listings
Date: Sat, 23 Aug 2014 03:36:34 -0400	[thread overview]
Message-ID: <1408779394-11436-1-git-send-email-aaronecay@gmail.com> (raw)

* lisp/ox-latex.el (org-latex-src-block): Support :float no with
caption for minted.
(org-latex-listings): Edit docstring to describe this usecase.

This takes advantage of the caption package’s \captionof command,
which allows to insert a caption (with autogenerated number and
\ref-able label) without creating a floating environment.  One example
of where this is useful is in the case of a minted source code listing
that spans more than one page.  (Latex floats can’t be larger than a
page, generally speaking.)

I haven’t done much testing, but the documentation of the listings
package seems to indicate that it already handles this case without
any special arrangement by org.
---
 lisp/ox-latex.el | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/lisp/ox-latex.el b/lisp/ox-latex.el
index c14d6dc..e29c6d2 100644
--- a/lisp/ox-latex.el
+++ b/lisp/ox-latex.el
@@ -727,6 +727,26 @@ using customize, or with
   \(require 'ox-latex)
   \(add-to-list 'org-latex-packages-alist '(\"\" \"minted\"))

+You can have listings with a caption which nonetheless do not
+float.  This is useful in case the source code takes up more than
+a page, in which case trying to float it will also truncate it.
+To achieve this, you should specifying the following attributes
+on the source block:
+
+  #+caption: ...
+  #+attr_latex: :float no
+  #+begin_src
+    ...
+  #+end_src
+
+In this case, if you are using minted you must add the
+\"caption\" latex package to your document:
+
+  \(add-to-list 'org-latex-packages-alist '(\"\" \"caption\"))
+
+The listings package handles this case correctly with no
+additional packages.
+
 In addition, it is necessary to install pygments
 \(http://pygments.org), and to configure the variable
 `org-latex-pdf-process' so that the -shell-escape option is
@@ -2301,7 +2321,11 @@ contextual information."
        ((eq listings 'minted)
 	(let* ((caption-str (org-latex--caption/label-string src-block info))
 	       (float-env
-		(cond ((and (not float) (plist-member attributes :float)) "%s")
+		(cond ((and (string= "no" float) caption)
+		       (format "%%s\n%s" (replace-regexp-in-string
+					  "\\\\caption" "\\captionof{listing}"
+					  caption-str t t)))
+		      ((string= "no" float) "%s")
 		      ((string= "multicolumn" float)
 		       (format "\\begin{listing*}\n%%s\n%s\\end{listing*}"
 			       caption-str))
--
2.0.4

             reply	other threads:[~2014-08-23  7:36 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-23  7:36 Aaron Ecay [this message]
2014-08-23 19:47 ` [RFC] [PATCH] ox-latex: support :float no with caption for minted listings Nicolas Goaziou
2014-08-23 20:27   ` Aaron Ecay
2014-08-23 23:56     ` Nicolas Goaziou
2014-08-24  0:44       ` Aaron Ecay
2014-08-24  6:51         ` Nicolas Richard
2014-08-24 19:54         ` Nicolas Goaziou
2014-08-28  5:03           ` Aaron Ecay
2014-08-28  9:19             ` Nicolas Goaziou
2014-09-19 19:04               ` Aaron Ecay
2014-09-19 20:13                 ` Nicolas Goaziou
2014-09-23  3:09                   ` Aaron Ecay
2014-09-23 19:48                     ` Nicolas Goaziou
2014-09-28  4:07                       ` Aaron Ecay
2014-09-28  7:09                         ` Nicolas Goaziou
2014-09-28 12:00                         ` Rasmus

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