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-;;; subcaption.el --- AUCTeX style for `subcaption.sty' (v1.3) -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2015--2022 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-eval
- completing-read (TeX-argument-prompt t nil "Numbering scheme")
- '("arabic" "roman" "Roman" "alph" "Alph" "fnsymbol")]
- (TeX-arg-eval
- completing-read
- (TeX-argument-prompt nil nil "Type")
- (append
- (when (and (fboundp 'LaTeX-newfloat-DeclareFloatingEnvironment-list)
- (LaTeX-newfloat-DeclareFloatingEnvironment-list))
- (mapcar #'car (LaTeX-newfloat-DeclareFloatingEnvironment-list)))
- '("figure" "table"))))
-
- '("DeclareCaptionSubType*"
- [TeX-arg-eval completing-read
- (TeX-argument-prompt t nil "Numbering scheme")
- '("arabic" "roman" "Roman" "alph" "Alph" "fnsymbol")]
- (TeX-arg-eval
- completing-read
- (TeX-argument-prompt nil nil "Type")
- (append
- (when (and (fboundp 'LaTeX-newfloat-DeclareFloatingEnvironment-list)
- (LaTeX-newfloat-DeclareFloatingEnvironment-list))
- (mapcar #'car (LaTeX-newfloat-DeclareFloatingEnvironment-list)))
- '("figure" "table")))))
-
- ;; \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)
-
-(defun LaTeX-subcaption-package-options ()
- "Prompt for package options for the subcaption package."
- (TeX-load-style "caption")
- (TeX-read-key-val t (append LaTeX-subcaption-key-val-options
- LaTeX-caption-key-val-options)))
-
-;;; subcaption.el ends here
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