;;; image-file.el --- Support for visiting image files
;;
-;; Copyright (C) 2000 Free Software Foundation, Inc.
+;; Copyright (C) 2000, 2001 Free Software Foundation, Inc.
;;
;; Author: Miles Bader <miles@gnu.org>
;; Keywords: multimedia
;;;###autoload
(defcustom image-file-name-extensions
- '("png" "jpeg" "jpg" "gif" "tiff" "xbm" "xpm" "pbm")
+ '("png" "jpeg" "jpg" "gif" "tiff" "tif" "xbm" "xpm" "pbm" "pgm" "ppm")
"*A list of image-file filename extensions.
Filenames having one of these extensions are considered image files,
in addition to those matching `image-file-name-regexps'.
(let ((exts-regexp
(and image-file-name-extensions
(concat "\\."
- (regexp-opt image-file-name-extensions t)
+ (regexp-opt (nconc (mapcar #'upcase
+ image-file-name-extensions)
+ image-file-name-extensions)
+ t)
"\\'"))))
(if image-file-name-regexps
(mapconcat 'identity
(when (and (or (null beg) (zerop beg)) (null end))
(let* ((ibeg (point))
(iend (+ (point) (cadr rval)))
+ (visitingp (and visit (= ibeg (point-min)) (= iend (point-max))))
(data
(string-make-unibyte
(buffer-substring-no-properties ibeg iend)))
(props
`(display ,image
intangible ,image
- rear-nonsticky (display intangible read-only)
+ rear-nonsticky (display intangible)
;; This a cheap attempt to make the whole buffer
- ;; read-only when we're visiting the file.
- ,@(and visit
- (= ibeg (point-min))
- (= iend (point-max))
+ ;; read-only when we're visiting the file (as
+ ;; opposed to just inserting it).
+ ,@(and visitingp
'(read-only t front-sticky (read-only))))))
- (add-text-properties ibeg iend props)))
+ (add-text-properties ibeg iend props)
+ (when visitingp
+ ;; Inhibit the cursor when the buffer contains only an image,
+ ;; because cursors look very strange on top of images.
+ (setq cursor-type nil)
+ ;; This just makes the arrow displayed in the right fringe
+ ;; area look correct when the image is wider than the window.
+ (setq truncate-lines t))))
rval))
(defun image-file-handler (operation &rest args)