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emacs/code/elpa/auctex-13.2.1/style/subcaption.el

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EmacsLisp

;;; subcaption.el --- AUCTeX style for `subcaption.sty' (v1.3) -*- lexical-binding: t; -*-
;; Copyright (C) 2015--2023 Free Software Foundation, Inc.
;; Author: Arash Esbati <arash@gnu.org>
;; Maintainer: auctex-devel@gnu.org
;; Created: 2015-09-19
;; Keywords: tex
;; This file is part of AUCTeX.
;; AUCTeX 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, or (at your option)
;; any later version.
;; AUCTeX 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 AUCTeX; see the file COPYING. If not, write to the Free
;; Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
;; 02110-1301, USA.
;;; Commentary:
;; This file adds support for `subcaption.sty' (v1.3) from 2019-08-31.
;; `subcaption.sty' is part of TeXLive.
;;; Code:
(require 'tex)
(require 'latex)
;; Silence the compiler:
(declare-function font-latex-add-keywords
"font-latex"
(keywords class))
(defvar LaTeX-caption-key-val-options)
(defvar LaTeX-subcaption-key-val-options
'(("subrefformat" ("default" "empty" "simple" "brace" "parens")))
"Key=value options for subcaption package.
This key takes the same values as \"labelformat\" from caption
package.")
(defun LaTeX-arg-subcaption-subcaption (optional &optional star)
"Query for the arguments of \"\\subcaption\" incl. a label and insert them.
If OPTIONAL is non-nil, indicate it while reading the caption.
If STAR is non-nil, then do not query for a \\label and a short
caption, insert only a caption."
(let* (;; \subcaption needs an environment, "minipage" will be
;; popular. If so, check next higher environment to find out
;; where we are
(currenv (if (string= (LaTeX-current-environment) "minipage")
(LaTeX-current-environment 2)
(LaTeX-current-environment)))
(caption (TeX-read-string
(TeX-argument-prompt optional nil "Sub-caption")))
(short-caption
(when (and (not star)
(>= (length caption) LaTeX-short-caption-prompt-length))
(TeX-read-string
(TeX-argument-prompt t nil "Short caption")))))
(indent-according-to-mode)
(when (and short-caption (not (string= short-caption "")))
(insert LaTeX-optop short-caption LaTeX-optcl))
(insert TeX-grop caption TeX-grcl)
;; Fill the \subcaption paragraph before inserting the \label:
(when auto-fill-function (LaTeX-fill-paragraph))
(when (and (not star)
(save-excursion (LaTeX-label currenv 'environment)))
;; Move \label into next line if we have one:
(LaTeX-newline)
(indent-according-to-mode)
(end-of-line))))
(defun LaTeX-arg-subcaption-subcaptionbox (optional &optional star)
"Query for the arguments of \"\\subcaptionbox\" incl. a label and insert them.
If OPTIONAL is non-nil, indicate it while reading the caption.
If STAR is non-nil, then do not query for a \\label and a short
caption, insert only a caption."
(let* ((currenv (LaTeX-current-environment))
(caption (TeX-read-string
(TeX-argument-prompt optional nil "Sub-caption")))
(short-caption
(when (and (not star)
(>= (length caption) LaTeX-short-caption-prompt-length))
(TeX-read-string
(TeX-argument-prompt t nil "Short Sub-caption")))))
(indent-according-to-mode)
(when (and short-caption (not (string= short-caption "")))
(insert LaTeX-optop short-caption LaTeX-optcl))
(insert TeX-grop caption)
(unless star (LaTeX-label currenv 'environment))
(insert TeX-grcl))
(let* ((TeX-arg-opening-brace "[")
(TeX-arg-closing-brace "]")
(width (completing-read (TeX-argument-prompt t nil "Width")
(mapcar (lambda (elt) (concat TeX-esc (car elt)))
(LaTeX-length-list))))
(inpos (if (and width (not (string-equal width "")))
(completing-read (TeX-argument-prompt t nil "Inner position")
'("c" "l" "r" "s"))
"")))
(TeX-argument-insert width t)
(TeX-argument-insert inpos t))
;; Fill the paragraph before inserting {}. We use this function
;; since we add \subcaption to `paragraph-start' in the style hook
;; below.
(when auto-fill-function (LaTeX-fill-paragraph)))
(TeX-add-style-hook
"subcaption"
(lambda ()
;; Run style hook for caption.el
(TeX-run-style-hooks "caption")
(TeX-add-symbols
;; Basic commands
'("subcaption" (LaTeX-arg-subcaption-subcaption))
'("subcaption*" (LaTeX-arg-subcaption-subcaption t) )
'("subcaptionbox" (LaTeX-arg-subcaption-subcaptionbox) t)
'("subcaptionbox*" (LaTeX-arg-subcaption-subcaptionbox t) t)
'("subref" TeX-arg-ref)
;; \subref* is only available with hyperref.sty loaded, we don't
;; check if hyperref.el is loaded and make it available directly.
'("subref*" TeX-arg-ref)
'("phantomcaption" 0)
'("phantomsubcaption" 0)
'("subfloat" [ "List entry" ] [ "Sub-caption" ] t))
;; The next 2 macros are part of the kernel of caption.sty, but we
;; load them within subcaption.el.
(TeX-add-symbols
`("DeclareCaptionSubType"
[TeX-arg-completing-read ("arabic" "roman" "Roman"
"alph" "Alph" "fnsymbol")
"Numbering scheme"]
(TeX-arg-completing-read
,(lambda ()
(append
(when (and (fboundp 'LaTeX-newfloat-DeclareFloatingEnvironment-list)
(LaTeX-newfloat-DeclareFloatingEnvironment-list))
(mapcar #'car (LaTeX-newfloat-DeclareFloatingEnvironment-list)))
'("figure" "table")))
"Type"))
`("DeclareCaptionSubType*"
[TeX-arg-completing-read ("arabic" "roman" "Roman"
"alph" "Alph" "fnsymbol")
"Numbering scheme"]
(TeX-arg-completing-read
,(lambda ()
(append
(when (and (fboundp 'LaTeX-newfloat-DeclareFloatingEnvironment-list)
(LaTeX-newfloat-DeclareFloatingEnvironment-list))
(mapcar #'car (LaTeX-newfloat-DeclareFloatingEnvironment-list)))
'("figure" "table")))
"Type")))
;; \subcaption(box)? and \subfloat macros should get their own lines
(LaTeX-paragraph-commands-add-locally
'("subcaption" "subcaptionbox" "subfloat"))
;; The subfigure & subtable environments
(LaTeX-add-environments
'("subfigure" LaTeX-env-minipage)
'("subtable" LaTeX-env-minipage))
;; Append them to `LaTeX-label-alist':
(add-to-list 'LaTeX-label-alist '("subfigure" . LaTeX-figure-label) t)
(add-to-list 'LaTeX-label-alist '("subtable" . LaTeX-table-label) t)
;; Introduce env's to RefTeX if loaded
(when (fboundp 'reftex-add-label-environments)
(reftex-add-label-environments
`(("subfigure" ?f ,LaTeX-figure-label "~\\ref{%s}" caption)
("subtable" ?t ,LaTeX-table-label "~\\ref{%s}" caption))))
;; Fontification
(when (and (featurep 'font-latex)
(eq TeX-install-font-lock 'font-latex-setup))
(font-latex-add-keywords '(("subcaption" "*[{")
("subcaptionbox" "*[{[[")
("phantomcaption" "")
("phantomsubcaption" "")
("subfloat" "[["))
'textual)
(font-latex-add-keywords '(("subref" "*{"))
'reference)
(font-latex-add-keywords '(("DeclareCaptionSubType" "*[{"))
'function)) )
TeX-dialect)
(defvar LaTeX-subcaption-package-options-list
(progn
(TeX-load-style "caption")
(append LaTeX-subcaption-key-val-options
LaTeX-caption-key-val-options))
"Package options for the subcaption package.")
(defun LaTeX-subcaption-package-options ()
"Prompt for package options for the subcaption package."
(TeX-read-key-val t LaTeX-subcaption-package-options-list))
;;; subcaption.el ends here