Add option to natively fontify LaTeX snippets and environments

* lisp/org.el: add a 'native value to org-highlight-latex-and-related
  that allows to use tex native font locking by means of
  org-src-font-lock-fontify-block.
* etc/ORG-NEWS: add note about new feature.
This commit is contained in:
memeplex 2019-01-02 19:43:21 -03:00 committed by Nicolas Goaziou
parent 0e26444fe0
commit 7db8ebc1df
2 changed files with 20 additions and 9 deletions

View File

@ -99,6 +99,11 @@ system than the main Org document. For example:
*** New cell movement functions in tables
~S-<UP>~, ~S-<DOWN>~, ~S-<RIGHT>~, and ~S-<LEFT>~ now move cells in
the corresponding direction by swapping with the adjacent cell.
*** New option to natively fontify LaTeX snippets and environments
A 'native option was added to org-highlight-latex-and-related. It
matches the same structures than 'latex but it calls
org-src-font-lock-fontify-block instead, thus bringing about full
LaTeX font locking.
** New functions
*** ~org-dynamic-block-insert-dblock~

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@ -4138,6 +4138,7 @@ org-level-* faces."
"Non-nil means highlight LaTeX related syntax in the buffer.
When non nil, the value should be a list containing any of the
following symbols:
`native' Highlight LaTeX snippets and environments natively.
`latex' Highlight LaTeX snippets and environments.
`script' Highlight subscript and superscript.
`entities' Highlight entities."
@ -4147,6 +4148,7 @@ following symbols:
:type '(choice
(const :tag "No highlighting" nil)
(set :greedy t :tag "Highlight"
(const :tag "LaTeX snippets and environments (native)" native)
(const :tag "LaTeX snippets and environments" latex)
(const :tag "Subscript and superscript" script)
(const :tag "Entities" entities))))
@ -6093,7 +6095,8 @@ Result depends on variable `org-highlight-latex-and-related'."
(list org-match-substring-with-braces-regexp))
(org-use-sub-superscripts (list org-match-substring-regexp))))
(re-latex
(when (memq 'latex org-highlight-latex-and-related)
(when (or (memq 'latex org-highlight-latex-and-related)
(memq 'native org-highlight-latex-and-related))
(let ((matchers (plist-get org-format-latex-options :matchers)))
(delq nil
(mapcar (lambda (x)
@ -6117,17 +6120,20 @@ highlighting was done, nil otherwise."
(while (re-search-forward org-latex-and-related-regexp
nil t) ;; on purpose, we ignore LIMIT
(unless (cl-some (lambda (f) (memq f '(org-code org-verbatim underline
org-special-keyword)))
org-special-keyword)))
(save-excursion
(goto-char (1+ (match-beginning 0)))
(face-at-point nil t)))
(let ((offset (if (memq (char-after (1+ (match-beginning 0)))
'(?_ ?^))
1
0)))
(font-lock-prepend-text-property
(+ offset (match-beginning 0)) (match-end 0)
'face 'org-latex-and-related)
(let* ((offset (if (memq (char-after (1+ (match-beginning 0)))
'(?_ ?^))
1
0))
(start (+ offset (match-beginning 0)))
(end (match-end 0)))
(if (memq 'native org-highlight-latex-and-related)
(org-src-font-lock-fontify-block "latex" start end)
(font-lock-prepend-text-property start end
'face 'org-latex-and-related))
(add-text-properties (+ offset (match-beginning 0)) (match-end 0)
'(font-lock-multiline t)))
(throw 'found t)))