Hi,
The attached patch modifies org-latex-preview to display all images of
latex fragments in a region, when one is active.
Using prefix arguments it is already possible to display all images in
the buffer, or in the current section, but I find it often too slow and
unnecessary. Regards,
--
Sébastien Miquel
From 2c9b72731247620dea2aed96a0a83385472e29cc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Miquel?= <sebastien.miq...@posteo.eu>
Date: Wed, 8 Jun 2022 13:11:12 +0200
Subject: [PATCH] org.el (org-latex-preview): With an active region, act on it
* lisp/org.el (org-latex-preview): With an active region, display
images for all fragments in the region. With universal prefix
argument, remove all images in the region.
---
lisp/org.el | 19 ++++++++++++++-----
1 file changed, 14 insertions(+), 5 deletions(-)
diff --git a/lisp/org.el b/lisp/org.el
index 95dff27ad..07f481647 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -15307,7 +15307,8 @@ BEG and END are buffer positions."
If the cursor is on a LaTeX fragment, create the image and
overlay it over the source code, if there is none. Remove it
otherwise. If there is no fragment at point, display images for
-all fragments in the current section.
+all fragments in the current section. With an active region,
+display images for all fragments in the region.
With a `\\[universal-argument]' prefix argument ARG, clear images \
for all fragments
@@ -15335,10 +15336,18 @@ fragments in the buffer."
;; Clear current section.
((equal arg '(4))
(org-clear-latex-preview
- (if (org-before-first-heading-p) (point-min)
- (save-excursion
- (org-with-limited-levels (org-back-to-heading t) (point))))
- (org-with-limited-levels (org-entry-end-position))))
+ (if (use-region-p)
+ (region-beginning)
+ (if (org-before-first-heading-p) (point-min)
+ (save-excursion
+ (org-with-limited-levels (org-back-to-heading t) (point)))))
+ (if (use-region-p)
+ (region-end)
+ (org-with-limited-levels (org-entry-end-position)))))
+ ((use-region-p)
+ (message "Creating LaTeX previews in region...")
+ (org--latex-preview-region (region-beginning) (region-end))
+ (message "Creating LaTeX previews in region... done."))
;; Toggle preview on LaTeX code at point.
((let ((datum (org-element-context)))
(and (memq (org-element-type datum) '(latex-environment latex-fragment))
--
2.36.1
