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diff --git a/lisp/org/org-beamer.el b/lisp/org/org-beamer.el new file mode 100644 index 00000000000..c4bf197c22c --- /dev/null +++ b/lisp/org/org-beamer.el @@ -0,0 +1,624 @@ +;;; org-beamer.el --- Beamer-specific LaTeX export for org-mode +;; +;; Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc. +;; +;; Version: 6.35i +;; Author: Carsten Dominik <carsten.dominik AT gmail DOT com> +;; Maintainer: Carsten Dominik <carsten.dominik AT gmail DOT com> +;; Keywords: org, wp, tex + +;; This file is part of GNU Emacs. + +;; GNU Emacs is free software: you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation, either version 3 of the License, or +;; (at your option) any later version. + +;; GNU Emacs is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. + +;;; Commentary: +;; +;; This library implement the special treatment needed by using the +;; beamer class during LaTeX export. + +(require 'org) +(require 'org-exp) +(defvar org-export-latex-header) +(defvar org-export-latex-options-plist) +(defvar org-export-opt-plist) + +(defgroup org-beamer nil + "Options specific for using the beamer class in LaTeX export." + :tag "Org Beamer" + :group 'org-export-latex) + +(defcustom org-beamer-use-parts nil + "" + :group 'org-beamer + :type 'boolean) + +(defcustom org-beamer-frame-level 1 + "The level that should be interpreted as a frame. +The levels above this one will be translated into a sectioning structure. +Setting this to 2 will allow sections, 3 will allow subsections as well. +You can se this to 4 as well, if you at the same time set +`org-beamer-use-parts' to make the top levels `\part'." + :group 'org-beamer + :type '(choice + (const :tag "Frames need a BEAMER_env property" nil) + (integer :tag "Specific level makes a frame"))) + +(defcustom org-beamer-frame-default-options "" + "Default options string to use for frames, should contains the [brackets]. +And example for this is \"[allowframebreaks]\"." + :group 'org-beamer + :type '(string :tag "[options]")) + +(defcustom org-beamer-column-view-format + "%45ITEM %10BEAMER_env(Env) %10BEAMER_envargs(Env Args) %4BEAMER_col(Col) %8BEAMER_extra(Extra)" + "Default column view format that should be used to fill the template." + :group 'org-beamer + :type '(string :tag "Beamer column view format")) + +(defcustom org-beamer-themes + "\\usetheme{default}\\usecolortheme{default}" + "Default string to be used for extra heading stuff in beamer presentations. +When a beamer template is filled, this will be the default for +BEAMER_HEADER_EXTRA, which will be inserted just before \\begin{document}." + :group 'org-beamer + :type '(string :tag "Beamer column view format")) + +(defconst org-beamer-column-widths + "0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.0 :ETC" +"The column widths that should be installed as allowed property values.") + +(defconst org-beamer-transitions + "\transblindsvertical \transblindshorizontal \transboxin \transboxout \transdissolve \transduration \transglitter \transsplithorizontalin \transsplithorizontalout \transsplitverticalin \transsplitverticalout \transwipe :ETC" + "Transitions available for beamer. +These are just a completion help.") + +(defconst org-beamer-environments-default + '(("frame" "f" "dummy- special handling hard coded" "dummy") + ("columns" "C" "\\begin{columns}%o %% %h%x" "\\end{columns}") + ("column" "c" "\\begin{column}%o{%h\\textwidth}%x" "\\end{column}") + ("block" "b" "\\begin{block}%a{%h}%x" "\\end{block}") + ("alertblock" "a" "\\begin{alertblock}%a{%h}%x" "\\end{alertblock}") + ("verse" "v" "\\begin{verse}%a %% %h%x" "\\end{verse}") + ("quotation" "q" "\\begin{quotation}%a %% %h%x" "\\end{quotation}") + ("quote" "Q" "\\begin{quote}%a %% %h%x" "\\end{quote}") + ("structureenv" "s" "\\begin{structureenv}%a %% %h%x" "\\end{structureenv}") + ("theorem" "t" "\\begin{theorem}%a%U%x" "\\end{theorem}") + ("definition" "d" "\\begin{definition}%a%U%x" "\\end{definition}") + ("example" "e" "\\begin{example}%a%U%x" "\\end{example}") + ("proof" "p" "\\begin{proof}%a%U%x" "\\end{proof}") + ("beamercolorbox" "o" "\\begin{beamercolorbox}%o{%h}%x" "\\end{beamercolorbox}") + ("normal" "h" "%h" "") ; Emit the heading as normal text + ("note" "n" "\\note%o%a{%h" "}") + ("noteNH" "N" "\\note%o%a{" "}") ; note, ignore heading + ("ignoreheading" "i" "%%%% %h" "")) + "Environments triggered by properties in Beamer export. +These are the defaults - for user definitions, see +`org-beamer-environments-extra'. +\"normal\" is a special fake environment, which emite the heading as +normal text. It is needed when an environment should be surrounded +by normal text. Since beamer export converts nodes into environments, +you need to have a node to end the environment. +For example + + ** a frame + some text + *** Blocktitle :B_block: + inside the block + *** After the block :B_normal: + continuing here + ** next frame") + +(defcustom org-beamer-environments-extra nil + "Environments triggered by tags in Beamer export. +Each entry has 4 elements: + +name Name of the environment +key Selection key for `org-beamer-select-environment' +open The opening template for the environment, with the following excapes + %a the action/overlay specification + %A the default action/overlay specification + %o the options argument of the template + %h the headline text + %H if there is headline text, that text in {} braces + %U if there is headline text, that text in [] brackets +close The closing string of the environment." + + :group 'org-beamer + :type '(repeat + (list + (string :tag "Environment") + (string :tag "Selection key") + (string :tag "Begin") + (string :tag "End")))) + +(defvar org-beamer-frame-level-now nil) +(defvar org-beamer-header-extra nil) +(defvar org-beamer-export-is-beamer-p nil) +(defvar org-beamer-inside-frame-at-level nil) +(defvar org-beamer-columns-open nil) +(defvar org-beamer-column-open nil) + +(defun org-beamer-cleanup-column-width (width) + "Make sure the width is not empty, and that it has a unit." + (setq width (org-trim (or width ""))) + (unless (string-match "\\S-" width) (setq width "0.5")) + (if (string-match "\\`[.0-9]+\\'" width) + (setq width (concat width "\\textwidth"))) + width) + +(defun org-beamer-open-column (&optional width opt) + (org-beamer-close-column-maybe) + (setq org-beamer-column-open t) + (setq width (org-beamer-cleanup-column-width width)) + (insert (format "\\begin{column}%s{%s}\n" (or opt "") width))) +(defun org-beamer-close-column-maybe () + (when org-beamer-column-open + (setq org-beamer-column-open nil) + (insert "\\end{column}\n"))) +(defun org-beamer-open-columns-maybe (&optional opts) + (unless org-beamer-columns-open + (setq org-beamer-columns-open t) + (insert (format "\\begin{columns}%s\n" (or opts ""))))) +(defun org-beamer-close-columns-maybe () + (org-beamer-close-column-maybe) + (when org-beamer-columns-open + (setq org-beamer-columns-open nil) + (insert "\\end{columns}\n"))) + +(defun org-beamer-select-environment () + "Select the environment to be used by beamer for this entry. +While this uses (for convenince) a tag selection interface, the result +of this command will be that the BEAMER_env *property* of the entry is set. + +In addition to this, the command will also set a tag as a visual aid, but +the tag does not have any semantic meaning." + (interactive) + (let* ((envs (append org-beamer-environments-extra + org-beamer-environments-default)) + (org-tag-alist + (append '((:startgroup)) + (mapcar (lambda (e) (cons (concat "B_" (car e)) + (string-to-char (nth 1 e)))) + envs) + '((:endgroup)) + '(("BMCOL" . ?|)))) + (org-fast-tag-selection-single-key t)) + (org-set-tags) + (let ((tags (or (ignore-errors (org-get-tags-string)) ""))) + (cond + ((equal org-last-tag-selection-key ?|) + (if (string-match ":BMCOL:" tags) + (org-set-property "BEAMER_col" (read-string "Column width: ")) + (org-delete-property "BEAMER_col"))) + ((string-match (concat ":B_\\(" + (mapconcat 'car envs "\\|") + "\\):") + tags) + (org-entry-put nil "BEAMER_env" (match-string 1 tags))) + (t (org-entry-delete nil "BEAMER_env")))))) + + +(defun org-beamer-sectioning (level text) + "Return the sectioning entry for the current headline. +LEVEL is the reduced level of the headline. +TEXT is the text of the headline, everything except the leading stars. +The return value is a cons cell. The car is the headline text, usually +just TEXT, but possibly modified if options have been extracted from the +text. The cdr is the sectioning entry, similar to what is given +in org-export-latex-classes." + (let* ((frame-level (or org-beamer-frame-level-now org-beamer-frame-level)) + (default + (if org-beamer-use-parts + '((1 . ("\\part{%s}" . "\\part*{%s}")) + (2 . ("\\section{%s}" . "\\section*{%s}")) + (3 . ("\\subsection{%s}" . "\\subsection*{%s}"))) + '((1 . ("\\section{%s}" . "\\section*{%s}")) + (2 . ("\\subsection{%s}" . "\\subsection*{%s}"))))) + (envs (append org-beamer-environments-extra + org-beamer-environments-default)) + (props (org-get-text-property-any 0 'org-props text)) + (in "") (out "") option action defaction environment extra + columns-option column-option + env have-text ass tmp) + (if (= frame-level 0) (setq frame-level nil)) + (when (and org-beamer-inside-frame-at-level + (<= level org-beamer-inside-frame-at-level)) + (setq org-beamer-inside-frame-at-level nil)) + (when (setq tmp (org-beamer-assoc-not-empty "BEAMER_col" props)) + (if (and (string-match "\\`[0-9.]+\\'" tmp) + (or (= (string-to-number tmp) 1.0) + (= (string-to-number tmp) 0.0))) + ;; column width 1 means cloase columns, go back to full width + (org-beamer-close-columns-maybe) + (when (setq ass (assoc "BEAMER_envargs" props)) + (let (case-fold-search) + (when (string-match "C\\(\\[[^][]*\\]\\)" (cdr ass)) + (setq columns-option (match-string 1 (cdr ass))) + (setcdr ass (replace-match "" t t (cdr ass)))) + (when (string-match "c\\(\\[[^][]*\\]\\)" (cdr ass)) + (setq column-option (match-string 1 (cdr ass))) + (setcdr ass (replace-match "" t t (cdr ass)))))) + (org-beamer-open-columns-maybe columns-option) + (org-beamer-open-column tmp column-option))) + (cond + ((or (equal (cdr (assoc "BEAMER_env" props)) "frame") + (and frame-level (= level frame-level))) + ;; A frame + (org-beamer-get-special props) + + (setq in (org-fill-template + "\\begin{frame}%a%A%o%T%S%x" + (list (cons "a" (or action "")) + (cons "A" (or defaction "")) + (cons "o" (or option org-beamer-frame-default-options "")) + (cons "x" (if extra (concat "\n" extra) "")) + (cons "h" "%s") + (cons "T" (if (string-match "\\S-" text) + "\n\\frametitle{%s}" "")) + (cons "S" (if (string-match "\\\\\\\\" text) + "\n\\framesubtitle{%s}" "")))) + out (copy-sequence "\\end{frame}")) + (org-add-props out + '(org-insert-hook org-beamer-close-columns-maybe)) + (setq org-beamer-inside-frame-at-level level) + (cons text (list in out in out))) + ((and (setq env (cdr (assoc "BEAMER_env" props))) + (setq ass (assoc env envs))) + ;; A beamer environment selected by the BEAMER_env property + (if (string-match "[ \t]+:[ \t]*$" text) + (setq text (replace-match "" t t text))) + (if (member env '("note" "noteNH")) + ;; There should be no labels in a note, so we remove the targets + ;; FIXME??? + (remove-text-properties 0 (length text) '(target nil) text)) + (org-beamer-get-special props) + (setq text (org-trim text)) + (setq have-text (string-match "\\S-" text)) + (setq in (org-fill-template + (nth 2 ass) + (list (cons "a" (or action "")) + (cons "A" (or defaction "")) + (cons "o" (or option "")) + (cons "x" (if extra (concat "\n" extra) "")) + (cons "h" "%s") + (cons "H" (if have-text (concat "{" text "}") "")) + (cons "U" (if have-text (concat "[" text "]") "")))) + out (nth 3 ass)) + (cond + ((equal out "\\end{columns}") + (setq org-beamer-columns-open t) + (setq out (org-add-props (copy-sequence out) + '(org-insert-hook + (lambda () + (org-beamer-close-column-maybe) + (setq org-beamer-columns-open nil)))))) + ((equal out "\\end{column}") + (org-beamer-open-columns-maybe))) + (cons text (list in out in out))) + ((and (not org-beamer-inside-frame-at-level) + (or (not frame-level) + (< level frame-level)) + (assoc level default)) + ;; Normal sectioning + (cons text (cdr (assoc level default)))) + (t nil)))) + +(defvar extra) +(defvar option) +(defvar action) +(defvar defaction) +(defvar environment) +(defun org-beamer-get-special (props) + "Extract an option, action, and default action string from text. +The variables option, action, defaction, extra are all scoped into +this function dynamically." + (let (tmp) + (setq environment (org-beamer-assoc-not-empty "BEAMER_env" props)) + (setq extra (org-beamer-assoc-not-empty "BEAMER_extra" props)) + (when extra + (setq extra (replace-regexp-in-string "\\\\n" "\n" extra))) + (setq tmp (org-beamer-assoc-not-empty "BEAMER_envargs" props)) + (when tmp + (setq tmp (copy-sequence tmp)) + (if (string-match "\\[<[^][<>]*>\\]" tmp) + (setq defaction (match-string 0 tmp) + tmp (replace-match "" t t tmp))) + (if (string-match "\\[[^][]*\\]" tmp) + (setq option (match-string 0 tmp) + tmp (replace-match "" t t tmp))) + (if (string-match "<[^<>]*>" tmp) + (setq action (match-string 0 tmp) + tmp (replace-match "" t t tmp)))))) + +(defun org-beamer-assoc-not-empty (elt list) + (let ((tmp (cdr (assoc elt list)))) + (and tmp (string-match "\\S-" tmp) tmp))) + + +(defvar org-beamer-mode-map (make-sparse-keymap) + "The keymap for `org-beamer-mode'.") +(define-key org-beamer-mode-map "\C-c\C-b" 'org-beamer-select-environment) + +(define-minor-mode org-beamer-mode + "Special support for editing Org-mode files made to export to beamer." + nil " Bm" nil) +(when (fboundp 'font-lock-add-keywords) + (font-lock-add-keywords + 'org-mode + '((":\\(B_[a-z]+\\|BMCOL\\):" 1 'org-beamer-tag prepend)) + 'prepent)) + +(defun org-beamer-place-default-actions-for-lists () + "Find default overlay specifications in items, and move them. +The need to be after the begin statement of the environment." + (when org-beamer-export-is-beamer-p + (let (dovl) + (goto-char (point-min)) + (while (re-search-forward + "^[ \t]*\\\\begin{\\(itemize\\|enumerate\\|desctiption\\)}[ \t\n]*\\\\item\\>\\( ?\\(<[^<>\n]*>\\|\\[[^][\n*]\\]\\)\\)?[ \t]*\\S-" nil t) + (if (setq dovl (cdr (assoc "BEAMER_dovl" + (get-text-property (match-end 0) + 'org-props)))) + (save-excursion + (goto-char (1+ (match-end 1))) + (insert dovl))))))) + +(defun org-beamer-amend-header () + "Add `org-beamer-header-extra' to the LaTeX herder. +If the file contains the string BEAMER-HEADER-EXTRA-HERE on a line +by itself, it will be replaced with `org-beamer-header-extra'. If not, +the value will be inserted right after the documentclass statement." + (when (and org-beamer-export-is-beamer-p + org-beamer-header-extra) + (goto-char (point-min)) + (cond + ((re-search-forward "^[ \t]*BEAMER-HEADER-EXTRA-HERE[ \t]*$" nil t) + (replace-match org-beamer-header-extra t t) + (or (bolp) (insert "\n"))) + ((re-search-forward "^[ \t]*\\\\documentclass\\>" nil t) + (beginning-of-line 2) + (insert org-beamer-header-extra) + (or (bolp) (insert "\n")))))) + +(defcustom org-beamer-fragile-re "^[ \t]*\\\\begin{\\(verbatim\\|lstlisting\\)}" + "If this regexp matches in a frame, the frame is marked as fragile." + :group 'org-beamer + :type 'regexp) + +(defface org-beamer-tag '((t (:box (:line-width 1 :color grey40)))) + "The special face for beamer tags." + :group 'org-beamer) + + +;; Functions to initialize and post-process +;; These fuctions will be hooked into various places in the export process + +(defun org-beamer-initialize-open-trackers () + "Reset variables that track if certain environments are open during export." + (setq org-beamer-columns-open nil) + (setq org-beamer-column-open nil) + (setq org-beamer-inside-frame-at-level nil) + (setq org-beamer-export-is-beamer-p nil)) + +(defun org-beamer-after-initial-vars () + "Find special setings for beamer and store them. +The effect is that these values will be accessible during export." + ;; First verify that we are exporting using the beamer class + (setq org-beamer-export-is-beamer-p + (string-match "\\\\documentclass\\(\\[[^][]*?\\]\\)?{beamer}" + org-export-latex-header)) + (when org-beamer-export-is-beamer-p + ;; Find the frame level + (setq org-beamer-frame-level-now + (or (and (org-region-active-p) + (save-excursion + (goto-char (region-beginning)) + (and (looking-at org-complex-heading-regexp) + (org-entry-get nil "BEAMER_FRAME_LEVEL" 'selective)))) + (save-excursion + (save-restriction + (widen) + (goto-char (point-min)) + (and (re-search-forward + "^#\\+BEAMER_FRAME_LEVEL:[ \t]*\\(.*?\\)[ \t]*$" nil t) + (match-string 1)))) + (plist-get org-export-latex-options-plist :beamer-frame-level) + org-beamer-frame-level)) + ;; Normalize the value so that the functions can trust the value + (cond + ((not org-beamer-frame-level-now) + (setq org-beamer-frame-level-now nil)) + ((stringp org-beamer-frame-level-now) + (setq org-beamer-frame-level-now + (string-to-number org-beamer-frame-level-now)))) + ;; Find the header additons, most likely theme commands + (setq org-beamer-header-extra + (or (and (org-region-active-p) + (save-excursion + (goto-char (region-beginning)) + (and (looking-at org-complex-heading-regexp) + (org-entry-get nil "BEAMER_HEADER_EXTRA" + 'selective)))) + (save-excursion + (save-restriction + (widen) + (let ((txt "")) + (goto-char (point-min)) + (while (re-search-forward + "^#\\+BEAMER_HEADER_EXTRA:[ \t]*\\(.*?\\)[ \t]*$" + nil t) + (setq txt (concat txt "\n" (match-string 1)))) + (if (> (length txt) 0) (substring txt 1))))) + (plist-get org-export-latex-options-plist + :beamer-header-extra))) + (let ((inhibit-read-only t) + (case-fold-search nil) + props) + (org-unmodified + (remove-text-properties (point-min) (point-max) '(org-props nil)) + (org-map-entries + '(progn + (setq props (org-entry-properties nil 'standard)) + (if (and (not (assoc "BEAMER_env" props)) + (looking-at ".*?:B_\\(note\\(NH\\)?\\):")) + (push (cons "BEAMER_env" (match-string 1)) props)) + (put-text-property (point-at-bol) (point-at-eol) 'org-props props))) + (setq org-export-latex-options-plist + (plist-put org-export-latex-options-plist :tags nil)))))) + +(defun org-beamer-auto-fragile-frames () + "Mark any frames containing verbatim environments as fragile. +This funcion will run in the final LaTeX document." + (when org-beamer-export-is-beamer-p + (let (opts) + (goto-char (point-min)) + ;; Find something that might be fragile + (while (re-search-forward org-beamer-fragile-re nil t) + (save-excursion + ;; Are we inside a frame here? + (when (and (re-search-backward "^[ \t]*\\\\\\(begin\\|end\\){frame}" + nil t) + (equal (match-string 1) "begin")) + ;; yes, inside a frame, make sure "fragile" is one of the options + (goto-char (match-end 0)) + (if (not (looking-at "\\[.*?\\]")) + (insert "[fragile]") + (setq opts (substring (match-string 0) 1 -1)) + (delete-region (match-beginning 0) (match-end 0)) + (setq opts (org-split-string opts ",")) + (add-to-list 'opts "fragile") + (insert "[" (mapconcat 'identity opts ",") "]")))))))) + +(defcustom org-beamer-outline-frame-title "Outline" + "Default title of a frame containing an outline." + :group 'org-beamer + :type '(string :tag "Outline frame title") +) + +(defcustom org-beamer-outline-frame-options nil + "Outline frame options appended after \\begin{frame}. You might +want to put e.g. [allowframebreaks=0.9] here. Remember to include +square brackets." + :group 'org-beamer + :type '(string :tag "Outline frame options") +) + +(defun org-beamer-fix-toc () + "Fix the table of contents by removing the vspace line." + (when org-beamer-export-is-beamer-p + (save-excursion + (goto-char (point-min)) + (when (re-search-forward "\\(\\\\setcounter{tocdepth.*\n\\\\tableofcontents.*\n\\)\\(\\\\vspace\\*.*\\)" + nil t) + (replace-match + (concat "\\\\begin{frame}" org-beamer-outline-frame-options + "\n\\\\frametitle{" + org-beamer-outline-frame-title + "}\n\\1\\\\end{frame}") + t nil))))) + +(defun org-beamer-property-changed (property value) + "Track the BEAMER_env property with tags." + (cond + ((equal property "BEAMER_env") + (save-excursion + (org-back-to-heading t) + (let ((tags (org-get-tags))) + (setq tags (delq nil (mapcar (lambda (x) + (if (string-match "^B_" x) nil x)) + tags))) + (org-set-tags-to tags)) + (when (and value (stringp value) (string-match "\\S-" value)) + (org-toggle-tag (concat "B_" value) 'on)))) + ((equal property "BEAMER_col") + (org-toggle-tag "BMCOL" (if (and value (string-match "\\S-" value)) + 'on 'off))))) + +(defun org-beamer-select-beamer-code () + "Take code marked for BEAMER and turn it into marked for LaTeX." + (when org-beamer-export-is-beamer-p + (goto-char (point-min)) + (while (re-search-forward + "^\\([ \]*#\\+\\(begin_\\|end_\\)?\\)\\(beamer\\)\\>" nil t) + (replace-match "\\1latex")))) + +;; OK, hook all these functions into appropriate places +(add-hook 'org-export-first-hook + 'org-beamer-initialize-open-trackers) +(add-hook 'org-property-changed-functions + 'org-beamer-property-changed) +(add-hook 'org-export-latex-after-initial-vars-hook + 'org-beamer-after-initial-vars) +(add-hook 'org-export-latex-final-hook + 'org-beamer-place-default-actions-for-lists) +(add-hook 'org-export-latex-final-hook + 'org-beamer-auto-fragile-frames) +(add-hook 'org-export-latex-final-hook + 'org-beamer-fix-toc) +(add-hook 'org-export-latex-final-hook + 'org-beamer-amend-header) +(add-hook 'org-export-preprocess-before-selecting-backend-code-hook + 'org-beamer-select-beamer-code) + +(defun org-beamer-settings-template (kind) + "Insert a settings template, to make sure users do this right." + (interactive (progn + (message "Current [s]ubtree or [g]lobal?") + (if (equal (read-char-exclusive) ?g) + (list 'global) + (list 'subtree)))) + (if (eq kind 'subtree) + (progn + (org-back-to-heading t) + (org-reveal) + (org-entry-put nil "LaTeX_CLASS" "beamer") + (org-entry-put nil "LaTeX_CLASS_OPTIONS" "[presentation]") + (org-entry-put nil "EXPORT_FILE_NAME" "presentation.pdf") + (org-entry-put nil "BEAMER_FRAME_LEVEL" (number-to-string + org-beamer-frame-level)) + (org-entry-put nil "BEAMER_HEADER_EXTRA" org-beamer-themes) + (org-entry-put nil "COLUMNS" org-beamer-column-view-format) + (org-entry-put nil "BEAMER_col_ALL" "0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 :ETC")) + (insert "#+LaTeX_CLASS: beamer\n") + (insert "#+LaTeX_CLASS_OPTIONS: [presentation]\n") + (insert (format "#+BEAMER_FRAME_LEVEL: %d\n" org-beamer-frame-level) "\n") + (insert "#+BEAMER_HEADER_EXTRA: " org-beamer-themes "\n") + (insert "#+COLUMNS: " org-beamer-column-view-format "\n") + (insert "#+PROPERTY: BEAMER_col_ALL 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 :ETC\n"))) + + +(defun org-beamer-allowed-property-values (property) + "Supply allowed values for BEAMER properties." + (cond + ((and (equal property "BEAMER_env") + (not (org-entry-get nil (concat property "_ALL") 'inherit))) + ;; If no allowed values for BEAMER_env have been defined, + ;; supply all defined environments + (mapcar 'car (append org-beamer-environments-extra + org-beamer-environments-default))) + ((and (equal property "BEAMER_col") + (not (org-entry-get nil (concat property "_ALL") 'inherit))) + ;; If no allowed values for BEAMER_col have been defined, + ;; supply some + '("0.1" "0.2" "0.3" "0.4" "0.5" "0.6" "0.7" "0.8" "0.9" "" ":ETC")) + (t nil))) + +(add-hook 'org-property-allowed-value-functions + 'org-beamer-allowed-property-values) + +(provide 'org-beamer) + +;; arch-tag: 68bac91a-a946-43a3-8173-a9269306f67c + +;;; org-beamer.el ends here |