From: Martin Pohlack <mp26@os.inf.tu-dresden.de>
To: org-mode <emacs-orgmode@gnu.org>
Subject: [PATCH] add modification hook for inline images
Date: Wed, 02 Jun 2010 01:10:35 +0200 [thread overview]
Message-ID: <4C05936B.5030403@os.inf.tu-dresden.de> (raw)
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Hi,
this patch adds a modification hook to remove inline-image overlays if
the underlying text is modified. This prevents blind editing of text
behind images.
Cheers,
Martin Pohlack
[-- Attachment #2: inline-display-modification-hook.diff --]
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diff --git a/lisp/org.el b/lisp/org.el
index 62131be..5a00236 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -15565,8 +15565,17 @@ BEG and END default to the buffer boundaries."
(overlay-put ov 'display img)
(overlay-put ov 'face 'default)
(overlay-put ov 'org-image-overlay t)
+ (overlay-put ov 'modification-hooks
+ (list 'org-display-inline-modification-hook))
(push ov org-inline-image-overlays)))))))))
+(defun org-display-inline-modification-hook (ov after beg end &optional len)
+ "Remove inline-display overlay if a corresponding region is modified."
+ (let ((inhibit-modification-hooks t))
+ (when (and ov after)
+ (delete ov org-inline-image-overlays)
+ (delete-overlay ov))))
+
(defun org-remove-inline-images ()
"Remove inline display of images."
(interactive)
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