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-rw-r--r--lisp/image-file.el24
1 files changed, 23 insertions, 1 deletions
diff --git a/lisp/image-file.el b/lisp/image-file.el
index 8f74dd63c0a..94028b740f5 100644
--- a/lisp/image-file.el
+++ b/lisp/image-file.el
@@ -1,6 +1,7 @@
;;; image-file.el --- support for visiting image files
;;
-;; Copyright (C) 2000, 2001 Free Software Foundation, Inc.
+;; Copyright (C) 2000, 2001, 2002, 2003, 2004,
+;; 2005 Free Software Foundation, Inc.
;;
;; Author: Miles Bader <miles@gnu.org>
;; Keywords: multimedia
@@ -118,6 +119,8 @@ the command `insert-file-contents'."
(create-image data nil t))
(props
`(display ,image
+ yank-handler
+ (image-file-yank-handler nil t)
intangible ,image
rear-nonsticky (display intangible)
;; This a cheap attempt to make the whole buffer
@@ -135,6 +138,25 @@ the command `insert-file-contents'."
(setq truncate-lines t))))
rval))
+;; We use a yank-handler to make yanked images unique, so that
+;; yanking two copies of the same image next to each other are
+;; recognized as two different images.
+(defun image-file-yank-handler (string)
+ "Yank handler for inserting an image into a buffer."
+ (let ((len (length string))
+ (image (get-text-property 0 'display string)))
+ (remove-text-properties 0 len yank-excluded-properties string)
+ (if (consp image)
+ (add-text-properties 0
+ (or (next-single-property-change 0 'image-counter string)
+ (length string))
+ `(display
+ ,(cons (car image) (cdr image))
+ yank-handler
+ ,(cons 'image-file-yank-handler '(nil t)))
+ string))
+ (insert string)))
+
(put 'image-file-handler 'safe-magic t)
(defun image-file-handler (operation &rest args)
"Filename handler for inserting image files.