206 lines
8.3 KiB
EmacsLisp
206 lines
8.3 KiB
EmacsLisp
;;; subcaption.el --- AUCTeX style for `subcaption.sty' (v1.3) -*- lexical-binding: t; -*-
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;; Copyright (C) 2015--2022 Free Software Foundation, Inc.
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;; Author: Arash Esbati <arash@gnu.org>
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;; Maintainer: auctex-devel@gnu.org
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;; Created: 2015-09-19
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;; Keywords: tex
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;; This file is part of AUCTeX.
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;; AUCTeX is free software; you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; AUCTeX is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with AUCTeX; see the file COPYING. If not, write to the Free
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;; Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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;; 02110-1301, USA.
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;;; Commentary:
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;; This file adds support for `subcaption.sty' (v1.3) from 2019-08-31.
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;; `subcaption.sty' is part of TeXLive.
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;;; Code:
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(require 'tex)
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(require 'latex)
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;; Silence the compiler:
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(declare-function font-latex-add-keywords
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"font-latex"
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(keywords class))
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(defvar LaTeX-caption-key-val-options)
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(defvar LaTeX-subcaption-key-val-options
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'(("subrefformat" ("default" "empty" "simple" "brace" "parens")))
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"Key=value options for subcaption package.
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This key takes the same values as \"labelformat\" from caption
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package.")
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(defun LaTeX-arg-subcaption-subcaption (optional &optional star)
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"Query for the arguments of \"\\subcaption\" incl. a label and insert them.
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If OPTIONAL is non-nil, indicate it while reading the caption.
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If STAR is non-nil, then do not query for a \\label and a short
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caption, insert only a caption."
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(let* (;; \subcaption needs an environment, "minipage" will be
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;; popular. If so, check next higher environment to find out
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;; where we are
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(currenv (if (string= (LaTeX-current-environment) "minipage")
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(LaTeX-current-environment 2)
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(LaTeX-current-environment)))
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(caption (TeX-read-string
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(TeX-argument-prompt optional nil "Sub-caption")))
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(short-caption
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(when (and (not star)
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(>= (length caption) LaTeX-short-caption-prompt-length))
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(TeX-read-string
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(TeX-argument-prompt t nil "Short caption")))))
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(indent-according-to-mode)
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(when (and short-caption (not (string= short-caption "")))
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(insert LaTeX-optop short-caption LaTeX-optcl))
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(insert TeX-grop caption TeX-grcl)
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;; Fill the \subcaption paragraph before inserting the \label:
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(when auto-fill-function (LaTeX-fill-paragraph))
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(when (and (not star)
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(save-excursion (LaTeX-label currenv 'environment)))
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;; Move \label into next line if we have one:
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(LaTeX-newline)
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(indent-according-to-mode)
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(end-of-line))))
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(defun LaTeX-arg-subcaption-subcaptionbox (optional &optional star)
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"Query for the arguments of \"\\subcaptionbox\" incl. a label and insert them.
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If OPTIONAL is non-nil, indicate it while reading the caption.
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If STAR is non-nil, then do not query for a \\label and a short
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caption, insert only a caption."
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(let* ((currenv (LaTeX-current-environment))
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(caption (TeX-read-string
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(TeX-argument-prompt optional nil "Sub-caption")))
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(short-caption
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(when (and (not star)
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(>= (length caption) LaTeX-short-caption-prompt-length))
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(TeX-read-string
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(TeX-argument-prompt t nil "Short Sub-caption")))))
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(indent-according-to-mode)
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(when (and short-caption (not (string= short-caption "")))
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(insert LaTeX-optop short-caption LaTeX-optcl))
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(insert TeX-grop caption)
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(unless star (LaTeX-label currenv 'environment))
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(insert TeX-grcl))
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(let* ((TeX-arg-opening-brace "[")
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(TeX-arg-closing-brace "]")
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(width (completing-read (TeX-argument-prompt t nil "Width")
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(mapcar (lambda (elt) (concat TeX-esc (car elt)))
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(LaTeX-length-list))))
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(inpos (if (and width (not (string-equal width "")))
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(completing-read (TeX-argument-prompt t nil "Inner position")
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'("c" "l" "r" "s"))
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"")))
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(TeX-argument-insert width t)
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(TeX-argument-insert inpos t))
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;; Fill the paragraph before inserting {}. We use this function
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;; since we add \subcaption to `paragraph-start' in the style hook
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;; below.
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(when auto-fill-function (LaTeX-fill-paragraph)))
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(TeX-add-style-hook
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"subcaption"
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(lambda ()
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;; Run style hook for caption.el
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(TeX-run-style-hooks "caption")
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(TeX-add-symbols
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;; Basic commands
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'("subcaption" (LaTeX-arg-subcaption-subcaption))
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'("subcaption*" (LaTeX-arg-subcaption-subcaption t) )
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'("subcaptionbox" (LaTeX-arg-subcaption-subcaptionbox) t)
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'("subcaptionbox*" (LaTeX-arg-subcaption-subcaptionbox t) t)
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'("subref" TeX-arg-ref)
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;; \subref* is only available with hyperref.sty loaded, we don't
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;; check if hyperref.el is loaded and make it available directly.
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'("subref*" TeX-arg-ref)
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'("phantomcaption" 0)
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'("phantomsubcaption" 0)
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'("subfloat" [ "List entry" ] [ "Sub-caption" ] t))
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;; The next 2 macros are part of the kernel of caption.sty, but we
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;; load them within subcaption.el.
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(TeX-add-symbols
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'("DeclareCaptionSubType"
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[TeX-arg-eval
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completing-read (TeX-argument-prompt t nil "Numbering scheme")
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'("arabic" "roman" "Roman" "alph" "Alph" "fnsymbol")]
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(TeX-arg-eval
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completing-read
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(TeX-argument-prompt nil nil "Type")
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(append
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(when (and (fboundp 'LaTeX-newfloat-DeclareFloatingEnvironment-list)
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(LaTeX-newfloat-DeclareFloatingEnvironment-list))
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(mapcar #'car (LaTeX-newfloat-DeclareFloatingEnvironment-list)))
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'("figure" "table"))))
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'("DeclareCaptionSubType*"
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[TeX-arg-eval completing-read
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(TeX-argument-prompt t nil "Numbering scheme")
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'("arabic" "roman" "Roman" "alph" "Alph" "fnsymbol")]
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(TeX-arg-eval
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completing-read
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(TeX-argument-prompt nil nil "Type")
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(append
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(when (and (fboundp 'LaTeX-newfloat-DeclareFloatingEnvironment-list)
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(LaTeX-newfloat-DeclareFloatingEnvironment-list))
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(mapcar #'car (LaTeX-newfloat-DeclareFloatingEnvironment-list)))
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'("figure" "table")))))
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;; \subcaption(box)? and \subfloat macros should get their own lines
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(LaTeX-paragraph-commands-add-locally
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'("subcaption" "subcaptionbox" "subfloat"))
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;; The subfigure & subtable environments
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(LaTeX-add-environments
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'("subfigure" LaTeX-env-minipage)
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'("subtable" LaTeX-env-minipage))
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;; Append them to `LaTeX-label-alist':
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(add-to-list 'LaTeX-label-alist '("subfigure" . LaTeX-figure-label) t)
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(add-to-list 'LaTeX-label-alist '("subtable" . LaTeX-table-label) t)
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;; Introduce env's to RefTeX if loaded
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(when (fboundp 'reftex-add-label-environments)
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(reftex-add-label-environments
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`(("subfigure" ?f ,LaTeX-figure-label "~\\ref{%s}" caption)
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("subtable" ?t ,LaTeX-table-label "~\\ref{%s}" caption))))
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;; Fontification
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(when (and (featurep 'font-latex)
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(eq TeX-install-font-lock 'font-latex-setup))
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(font-latex-add-keywords '(("subcaption" "*[{")
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("subcaptionbox" "*[{[[")
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("phantomcaption" "")
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("phantomsubcaption" "")
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("subfloat" "[["))
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'textual)
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(font-latex-add-keywords '(("subref" "*{"))
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'reference)
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(font-latex-add-keywords '(("DeclareCaptionSubType" "*[{"))
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'function)) )
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TeX-dialect)
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(defun LaTeX-subcaption-package-options ()
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"Prompt for package options for the subcaption package."
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(TeX-load-style "caption")
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(TeX-read-key-val t (append LaTeX-subcaption-key-val-options
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LaTeX-caption-key-val-options)))
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;;; subcaption.el ends here
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