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;;; tex-conf.el --- My configurations of TeX -*- lexical-binding: t; -*-
;; Copyright (C) 2021 李俊緯
;; Author: 李俊緯 <mmemmew@gmail.com>
;; Keywords: tex
;; This program 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.
;; This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; This is my configuration file for (La)TeX. In particular I use and
;; configure the package AUCTeX here.
;;; Code:
(load "auctex.el" nil t t)
(load "preview-latex.el" nil t t)
(setq TeX-auto-save t)
(setq TeX-parse-self t)
(setq TeX-view-program-selection
'((output-dvi "open")
(output-pdf "PDF Tools")
(output-html "open")))
;; I don't want to split the screen.
;;;###autoload
(defun durand-TeX-pdf-tools-sync-view-a ()
"Advice to `TeX-pdf-tools-sync-view', which won't pop buffers."
(unless (fboundp 'pdf-tools-install)
(error "PDF Tools are not available"))
(unless TeX-PDF-mode
(error "PDF Tools only work with PDF output"))
(add-hook 'pdf-sync-backward-redirect-functions
#'TeX-source-correlate-handle-TeX-region)
(if (and TeX-source-correlate-mode
(fboundp 'pdf-sync-forward-search))
(with-current-buffer (or (when TeX-current-process-region-p
(get-file-buffer (TeX-region-file t)))
(current-buffer))
(pdf-sync-forward-search))
(let ((pdf (TeX-active-master (TeX-output-extension))))
(switch-to-buffer (or (find-buffer-visiting pdf)
(find-file-noselect pdf))))))
(advice-add #'TeX-pdf-tools-sync-view :override
#'durand-TeX-pdf-tools-sync-view-a)
;;; Dollars
(setq TeX-electric-math (cons "\\(" "\\)"))
(define-key LaTeX-mode-map (vector ?\§) #'durand-insert-escape)
;;;###autoload
(defun durand-insert-escape ()
"Insert an escape character."
(interactive)
(insert "\\"))
;;; Expansions
(add-hook 'LaTeX-mode-hook 'LaTeX-math-mode)
(define-key LaTeX-math-mode-map (LaTeX-math-abbrev-prefix) t)
(set-default 'LaTeX-math-abbrev-prefix "ù")
(define-key LaTeX-math-mode-map
(LaTeX-math-abbrev-prefix) LaTeX-math-keymap)
(cond ((boundp 'LaTeX-math-keymap))
((defvar LaTeX-math-keymap)))
(define-key LaTeX-math-keymap [?$] 'durand-insert-display-equation)
(define-key LaTeX-math-keymap [?o] 'durand-insert-o-things)
(setq LaTeX-math-list '((?$ durand-insert-display-equation)
(?o durand-insert-o-things)))
;;;###autoload
(defun durand-insert-display-equation ()
"Insert display equation symbols."
(interactive)
(insert "\\[\\]")
(goto-char (- (point) 2)))
;;;###autoload
(defvar durand-o-things-list nil
"A list of things associated with the \"o\" key.
Each entry should have the form (key . macro),
where the macro part is without the backslash.")
(setq durand-o-things-list
(list
(cons "x" "otimes")
(cons "s" "sum")
(cons "p" "prod")
(cons "+" "oplus")
(cons "o" "circ")
(list "{" "{" "}")))
;;;###autoload
(defun durand-insert-o-things ()
"Insert a symbol associated with \"o\" key.
The list is in the variable `durand-o-things-list'"
(interactive)
(let ((thing (minibuffer-with-setup-hook 'durand-headlong-minibuffer-setup-hook
(completing-read
"Chois une chose associée à \"o\":" (mapcar 'car durand-o-things-list)
nil t "^"))))
(let ((associated (alist-get thing durand-o-things-list nil nil #'string=)))
(cond
((not (consp associated))
;; length = 1
(insert (format "\\%s" (assoc-default thing durand-o-things-list #'string=))))
((null (cddr associated))
;; length = 2
(insert (format "\\left\\%s" (car associated)))
(save-excursion
(insert
(format "\\right\\%s" (cadr associated)))))
(t
(user-error "Weird associated: %S" associated))))))
;; Automatic braces
(setq TeX-electric-sub-and-superscript t)
;;; If I need to type nested documents frequently, the following will
;;; come in handy.
;; (setq-default TeX-master nil)
(provide 'tex-conf)
;;; tex-conf.el ends here
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