;;; gnus-art.el --- article mode commands for Gnus
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
"^X-Content-length:" "^X-Posting-Agent:" "^Original-Received:"
"^X-Request-PGP:" "^X-Fingerprint:" "^X-WRIEnvto:" "^X-WRIEnvfrom:"
"^X-Virus-Scanned:" "^X-Delivery-Agent:" "^Posted-Date:" "^X-Gateway:"
- "^X-Local-Origin:" "^X-Local-Destination:")
+ "^X-Local-Origin:" "^X-Local-Destination:" "^X-UserInfo1:")
"*All headers that start with this regexp will be hidden.
This variable can also be a list of regexps of headers to be ignored.
If `gnus-visible-headers' is non-nil, this variable will be ignored."
:group 'gnus-article-treat
:type gnus-article-treat-custom)
+(defcustom gnus-treat-fold-newsgroups 'head
+ "Fold the Newsgroups and Followup-To headers.
+Valid values are nil, t, `head', `last', an integer or a predicate.
+See the manual for details."
+ :group 'gnus-article-treat
+ :type gnus-article-treat-custom)
+
(defcustom gnus-treat-overstrike t
"Treat overstrike highlighting.
Valid values are nil, t, `head', `last', an integer or a predicate.
(and (or (and (fboundp 'image-type-available-p)
(image-type-available-p 'xbm)
(string-match "^0x" (shell-command-to-string "uncompface")))
- (and (featurep 'xemacs) (featurep 'xface)))
+ (and (featurep 'xemacs)
+ (featurep 'xface)))
'head)
"Display X-Face headers.
Valid values are nil, t, `head', `last', an integer or a predicate.
(defvar article-goto-body-goes-to-point-min-p nil)
(defvar gnus-article-wash-types nil)
(defvar gnus-article-emphasis-alist nil)
+(defvar gnus-article-image-alist nil)
(defvar gnus-article-mime-handle-alist-1 nil)
(defvar gnus-treatment-function-alist
(gnus-treat-fill-article gnus-article-fill-cited-article)
(gnus-treat-fill-long-lines gnus-article-fill-long-lines)
(gnus-treat-strip-cr gnus-article-remove-cr)
- (gnus-treat-display-xface gnus-article-display-x-face)
(gnus-treat-date-ut gnus-article-date-ut)
(gnus-treat-date-local gnus-article-date-local)
(gnus-treat-date-english gnus-article-date-english)
(gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
(gnus-treat-strip-pgp gnus-article-hide-pgp)
(gnus-treat-strip-pem gnus-article-hide-pem)
+ (gnus-treat-from-picon gnus-treat-from-picon)
+ (gnus-treat-mail-picon gnus-treat-mail-picon)
+ (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
(gnus-treat-highlight-headers gnus-article-highlight-headers)
(gnus-treat-highlight-citation gnus-article-highlight-citation)
(gnus-treat-highlight-signature gnus-article-highlight-signature)
gnus-article-strip-multiple-blank-lines)
(gnus-treat-overstrike gnus-article-treat-overstrike)
(gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
+ (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
(gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
- (gnus-treat-display-smileys gnus-smiley-display)
+ (gnus-treat-display-smileys gnus-treat-smiley)
(gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
(gnus-treat-emphasize gnus-article-emphasize)
- (gnus-treat-from-picon gnus-treat-from-picon)
- (gnus-treat-mail-picon gnus-treat-mail-picon)
- (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
+ (gnus-treat-display-xface gnus-article-display-x-face)
(gnus-treat-body-boundary gnus-article-treat-body-boundary)
(gnus-treat-play-sounds gnus-earcon-display)))
(defvar gnus-inhibit-hiding nil)
+;;; Macros for dealing with the article buffer.
+
+(defmacro gnus-with-article-headers (&rest forms)
+ `(save-excursion
+ (set-buffer gnus-article-buffer)
+ (save-restriction
+ (let ((buffer-read-only nil)
+ (inhibit-point-motion-hooks t)
+ (case-fold-search t))
+ (article-narrow-to-head)
+ ,@forms))))
+
+(put 'gnus-with-article-headers 'lisp-indent-function 0)
+(put 'gnus-with-article-headers 'edebug-form-spec '(body))
+
+(defmacro gnus-with-article-buffer (&rest forms)
+ `(save-excursion
+ (set-buffer gnus-article-buffer)
+ (let ((buffer-read-only nil))
+ ,@forms)))
+
+(put 'gnus-with-article-buffer 'lisp-indent-function 0)
+(put 'gnus-with-article-buffer 'edebug-form-spec '(body))
+
+(defun gnus-article-goto-header (header)
+ "Go to HEADER, which is a regular expression."
+ (re-search-forward (concat "^\\(" header "\\):") nil t))
+
(defsubst gnus-article-hide-text (b e props)
"Set text PROPS on the B to E region, extending `intangible' 1 past B."
(gnus-add-text-properties-when 'article-type nil b e props)
(defun gnus-article-hide-text-type (b e type)
"Hide text of TYPE between B and E."
- (push type gnus-article-wash-types)
+ (gnus-add-wash-type type)
(gnus-article-hide-text
b e (cons 'article-type (cons type gnus-hidden-properties))))
(defun gnus-article-unhide-text-type (b e type)
"Unhide text of TYPE between B and E."
- (setq gnus-article-wash-types
- (delq type gnus-article-wash-types))
+ (gnus-delete-wash-type type)
(remove-text-properties
b e (cons 'article-type (cons type gnus-hidden-properties)))
(when (memq 'intangible gnus-hidden-properties)
(when (setq beg (text-property-any
(point-min) (point-max) 'message-rank (+ 2 max)))
;; We delete the unwanted headers.
- (push 'headers gnus-article-wash-types)
+ (gnus-add-wash-type 'headers)
(add-text-properties (point-min) (+ 5 (point-min))
'(article-type headers dummy-invisible t))
(delete-region beg (point-max))))))))
(replace-match " " t t)))
(goto-char (point-max)))))))
+(defun gnus-treat-smiley ()
+ "Display textual emoticons (\"smileys\") as small graphical icons."
+ (interactive "P")
+ (gnus-with-article-buffer
+ (if (memq 'smiley gnus-article-wash-types)
+ (gnus-delete-images 'smiley)
+ (article-goto-body)
+ (let ((images (smiley-region (point) (point-max))))
+ (when images
+ (gnus-add-wash-type 'smiley)
+ (dolist (image images)
+ (gnus-add-image 'smiley image)))))))
+
+(defun gnus-article-remove-images ()
+ "Remove all images from the article buffer."
+ (interactive)
+ (gnus-with-article-buffer
+ (dolist (elem gnus-article-image-alist)
+ (gnus-delete-images (car elem)))))
+
+(defun gnus-article-treat-fold-newsgroups ()
+ "Unfold folded message headers.
+Only the headers that fit into the current window width will be
+unfolded."
+ (interactive)
+ (gnus-with-article-headers
+ (while (gnus-article-goto-header "newsgroups\\|followup-to")
+ (save-restriction
+ (mail-header-narrow-to-field)
+ (while (search-forward "," nil t)
+ (replace-match ", " t t))
+ (mail-header-fold-field)
+ (goto-char (point-max))))))
+
(defun gnus-article-treat-body-boundary ()
"Place a boundary line at the end of the headers."
(interactive)
(gnus-with-article-headers
(goto-char (point-max))
- (insert (make-string (1- (window-width)) ?_)
- "\n")))
+ (let ((start (point)))
+ (insert "X-Boundary: ")
+ (gnus-add-text-properties start (point) '(invisible t intangible t))
+ (insert (make-string (1- (window-width)) ?-)
+ "\n"))))
(defun article-fill-long-lines ()
"Fill lines that are wider than the window width."
(defun article-display-x-face (&optional force)
"Look for an X-Face header and display it if present."
(interactive (list 'force))
- (save-excursion
+ (gnus-with-article-headers
;; Delete the old process, if any.
(when (process-status "article-x-face")
(delete-process "article-x-face"))
- (let ((inhibit-point-motion-hooks t)
- x-faces
- (case-fold-search t)
- from last)
- (save-restriction
- (article-narrow-to-head)
- (when (and buffer-read-only ;; When type `W f'
- (progn
- (goto-char (point-min))
- (not (re-search-forward "^X-Face:[\t ]*" nil t)))
- (gnus-buffer-live-p gnus-original-article-buffer))
- (with-current-buffer gnus-original-article-buffer
- (save-restriction
- (article-narrow-to-head)
- (while (re-search-forward "^X-Face:" nil t)
- (setq x-faces
- (concat
- (or x-faces "")
- (buffer-substring
- (match-beginning 0)
- (1- (re-search-forward
- "^\\($\\|[^ \t]\\)" nil t))))))))
- (if x-faces
- (let (point start bface eface buffer-read-only)
- (goto-char (point-max))
- (forward-line -1)
- (setq bface (get-text-property (gnus-point-at-bol) 'face)
- eface (get-text-property (1- (gnus-point-at-eol)) 'face))
- (goto-char (point-max))
- (setq point (point))
- (insert x-faces)
- (goto-char point)
- (while (looking-at "\\([^:]+\\): *")
- (put-text-property (match-beginning 1) (1+ (match-end 1))
- 'face bface)
- (setq start (match-end 0))
- (forward-line 1)
- (while (looking-at "[\t ]")
- (forward-line 1))
- (put-text-property start (point)
- 'face eface)))))
- (goto-char (point-min))
- (setq from (message-fetch-field "from"))
- (goto-char (point-min))
- (while (and gnus-article-x-face-command
- (not last)
+ (if (memq 'xface gnus-article-wash-types)
+ ;; We have already displayed X-Faces, so we remove them
+ ;; instead.
+ (gnus-delete-images 'xface)
+ ;; Display X-Faces.
+ (let (x-faces from face)
+ (save-excursion
+ (set-buffer gnus-original-article-buffer)
+ (save-restriction
+ (mail-narrow-to-head)
+ (while (gnus-article-goto-header "x-face")
+ (push (mail-header-field-value) x-faces))
+ (setq from (message-fetch-field "from"))))
+ ;; Sending multiple EOFs to xv doesn't work, so we only do a
+ ;; single external face.
+ (when (stringp gnus-article-x-face-command)
+ (setq x-faces (list (car x-faces))))
+ (while (and (setq face (pop x-faces))
+ gnus-article-x-face-command
(or force
;; Check whether this face is censored.
(not gnus-article-x-face-too-ugly)
(and gnus-article-x-face-too-ugly from
(not (string-match gnus-article-x-face-too-ugly
- from))))
- ;; Has to be present.
- (re-search-forward "^X-Face:[\t ]*" nil t))
- ;; This used to try to do multiple faces (`while' instead of
- ;; `when' above), but (a) sending multiple EOFs to xv doesn't
- ;; work (b) it can crash some versions of Emacs (c) are
- ;; multiple faces really something to encourage?
- (when (stringp gnus-article-x-face-command)
- (setq last t))
- ;; We now have the area of the buffer where the X-Face is stored.
- (save-excursion
- (let ((beg (point))
- (end (1- (re-search-forward "^\\($\\|[^ \t]\\)" nil t)))
- buffer-read-only)
- ;; We display the face.
- (if (symbolp gnus-article-x-face-command)
- ;; The command is a lisp function, so we call it.
- (if (gnus-functionp gnus-article-x-face-command)
- (funcall gnus-article-x-face-command beg end)
- (error "%s is not a function" gnus-article-x-face-command))
- ;; The command is a string, so we interpret the command
- ;; as a, well, command, and fork it off.
- (let ((process-connection-type nil))
- (process-kill-without-query
- (start-process
- "article-x-face" nil shell-file-name shell-command-switch
- gnus-article-x-face-command))
- (process-send-region "article-x-face" beg end)
- (process-send-eof "article-x-face"))))))))))
+ from)))))
+ ;; We display the face.
+ (if (symbolp gnus-article-x-face-command)
+ ;; The command is a lisp function, so we call it.
+ (if (gnus-functionp gnus-article-x-face-command)
+ (funcall gnus-article-x-face-command face)
+ (error "%s is not a function" gnus-article-x-face-command))
+ ;; The command is a string, so we interpret the command
+ ;; as a, well, command, and fork it off.
+ (let ((process-connection-type nil))
+ (process-kill-without-query
+ (start-process
+ "article-x-face" nil shell-file-name shell-command-switch
+ gnus-article-x-face-command))
+ (with-temp-buffer
+ (insert face)
+ (process-send-region "article-x-face" (point-min) (point-max)))
+ (process-send-eof "article-x-face"))))))))
(defun article-decode-mime-words ()
"Decode all MIME-encoded words in the article."
(article-goto-body)
;; Hide the "header".
(when (re-search-forward "^-----BEGIN PGP SIGNED MESSAGE-----\n" nil t)
- (push 'pgp gnus-article-wash-types)
+ (gnus-add-wash-type 'pgp)
(delete-region (match-beginning 0) (match-end 0))
;; Remove armor headers (rfc2440 6.2)
(delete-region (point) (or (re-search-forward "^[ \t]*\n" nil t)
"\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
nil t)
(setq end (1+ (match-beginning 0))))
- (push 'pem gnus-article-wash-types)
+ (gnus-add-wash-type 'pem)
(gnus-article-hide-text-type
end
(if (search-forward "\n\n" nil t)
(point-min) (point-max)
(cons 'article-type (cons type
gnus-hidden-properties)))
- (setq gnus-article-wash-types (delq type gnus-article-wash-types))))
+ (gnus-delete-wash-type type)))
(defconst article-time-units
`((year . ,(* 365.25 24 60 60))
(match-beginning visible) (match-end visible) 'emphasis)
(gnus-put-overlay-excluding-newlines
(match-beginning visible) (match-end visible) 'face face)
- (push 'emphasis gnus-article-wash-types)
+ (gnus-add-wash-type 'emphasis)
(goto-char (match-end invisible)))))))))
(defun gnus-article-setup-highlight-words (&optional highlight-words)
(setq afunc func
gfunc (intern (format "gnus-%s" func))))
(defalias gfunc
- (if (fboundp afunc)
+ (when (fboundp afunc)
`(lambda (&optional interactive &rest args)
,(documentation afunc t)
(interactive (list t))
(make-local-variable 'gnus-article-decoded-p)
(make-local-variable 'gnus-article-mime-handle-alist)
(make-local-variable 'gnus-article-wash-types)
+ (make-local-variable 'gnus-article-image-alist)
(make-local-variable 'gnus-article-charset)
(make-local-variable 'gnus-article-ignored-charsets)
(gnus-set-default-directory)
(unless (eq major-mode 'gnus-article-mode)
(gnus-article-mode))
(setq buffer-read-only nil
- gnus-article-wash-types nil)
+ gnus-article-wash-types nil
+ gnus-article-image-alist nil)
(gnus-run-hooks 'gnus-tmp-internal-hook)
(when gnus-display-mime-function
(funcall gnus-display-mime-function))
(gnus-mime-inline-part "i" "View As Text, In This Buffer")
(gnus-mime-internalize-part "E" "View Internally")
(gnus-mime-externalize-part "e" "View Externally")
+ (gnus-mime-print-part "p" "Print")
(gnus-mime-pipe-part "|" "Pipe To Command...")
(gnus-mime-action-on-part "." "Take action on the part")))
(gnus-mm-display-part handle))))
(defun gnus-mime-copy-part (&optional handle)
- "Put the the MIME part under point into a new buffer."
+ "Put the MIME part under point into a new buffer."
(interactive)
(gnus-article-check-buffer)
(let* ((handle (or handle (get-text-property (point) 'gnus-data)))
(setq buffer-file-name nil))
(goto-char (point-min)))))
+(defun gnus-mime-print-part (&optional handle)
+ "Print the MIME part under point."
+ (interactive)
+ (gnus-article-check-buffer)
+ (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
+ (contents (and handle (mm-get-part handle)))
+ (file (make-temp-name (expand-file-name "mm." mm-tmp-directory)))
+ (printer (mailcap-mime-info (mm-handle-type handle) "print")))
+ (when contents
+ (if printer
+ (unwind-protect
+ (progn
+ (with-temp-file file
+ (insert contents))
+ (call-process shell-file-name nil
+ (generate-new-buffer " *mm*")
+ nil
+ shell-command-switch
+ (mm-mailcap-command
+ printer file (mm-handle-type handle))))
+ (delete-file file))
+ (with-temp-buffer
+ (insert contents)
+ (gnus-print-buffer))))))
+
(defun gnus-mime-inline-part (&optional handle arg)
"Insert the MIME part under point into the current buffer."
(interactive (list nil current-prefix-arg))
;;;!!! No, w3 can display everything just fine.
(gnus-mime-display-part (cadr handle)))
((equal (car handle) "multipart/signed")
- (or (memq 'signed gnus-article-wash-types)
- (push 'signed gnus-article-wash-types))
+ (gnus-add-wash-type 'signed)
(gnus-mime-display-security handle))
((equal (car handle) "multipart/encrypted")
- (or (memq 'encrypted gnus-article-wash-types)
- (push 'encrypted gnus-article-wash-types))
+ (gnus-add-wash-type 'encrypted)
(gnus-mime-display-security handle))
;; Other multiparts are handled like multipart/mixed.
(t
in the article mode line when the washing function is active, and OFF
is the string to use when it is inactive.")
-(defun gnus-gnus-article-wash-status-entry (key value)
+(defun gnus-article-wash-status-entry (key value)
(let ((entry (assoc key gnus-article-wash-status-strings)))
(if value (nth 1 entry) (nth 2 entry))))
(signature (memq 'signature gnus-article-wash-types))
(overstrike (memq 'overstrike gnus-article-wash-types))
(emphasis (memq 'emphasis gnus-article-wash-types)))
- (concat (gnus-gnus-article-wash-status-entry 'cite cite)
- (gnus-gnus-article-wash-status-entry 'headers
- (or headers boring))
- (gnus-gnus-article-wash-status-entry
- 'pgp (or pgp pem signed encrypted))
- (gnus-gnus-article-wash-status-entry 'signature signature)
- (gnus-gnus-article-wash-status-entry 'overstrike overstrike)
- (gnus-gnus-article-wash-status-entry 'emphasis emphasis)))))
+ (concat
+ (gnus-article-wash-status-entry 'cite cite)
+ (gnus-article-wash-status-entry 'headers (or headers boring))
+ (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
+ (gnus-article-wash-status-entry 'signature signature)
+ (gnus-article-wash-status-entry 'overstrike overstrike)
+ (gnus-article-wash-status-entry 'emphasis emphasis)))))
+
+(defun gnus-add-wash-type (type)
+ "Add a washing of TYPE to the current status."
+ (push type gnus-article-wash-types))
+
+(defun gnus-delete-wash-type (type)
+ "Add a washing of TYPE to the current status."
+ (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
+
+(defun gnus-add-image (category image)
+ "Add IMAGE of CATEGORY to the list of displayed images."
+ (let ((entry (assq category gnus-article-image-alist)))
+ (unless entry
+ (setq entry (list category))
+ (push entry gnus-article-image-alist))
+ (nconc entry (list image))))
+
+(defun gnus-delete-images (category)
+ "Delete all images in CATEGORY."
+ (let ((entry (assq category gnus-article-image-alist)))
+ (dolist (image (cdr entry))
+ (gnus-remove-image image))
+ (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
+ (gnus-delete-wash-type category)))
(defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
(inhibit-point-motion-hooks t))
(if (text-property-any end (point-max) 'article-type 'signature)
(progn
- (setq gnus-article-wash-types
- (delq 'signature gnus-article-wash-types))
+ (gnus-delete-wash-type 'signature)
(gnus-remove-text-properties-when
'article-type 'signature end (point-max)
(cons 'article-type (cons 'signature
gnus-hidden-properties))))
- (or (memq 'signature gnus-article-wash-types)
- (push 'signature gnus-article-wash-types))
+ (gnus-add-wash-type 'signature)
(gnus-add-text-properties-when
'article-type nil end (point-max)
(cons 'article-type (cons 'signature
(cons (set-marker (make-marker) (point-min))
(set-marker (make-marker) (point-max))))))
-;;; Macros for dealing with the article buffer.
-
-(defmacro gnus-with-article-headers (&rest forms)
- `(save-excursion
- (set-buffer gnus-article-buffer)
- (save-restriction
- (let ((buffer-read-only nil)
- (inhibit-point-motion-hooks t)
- (case-fold-search t))
- (article-narrow-to-head)
- ,@forms))))
-
-(put 'gnus-with-article-headers 'lisp-indent-function 0)
-(put 'gnus-with-article-headers 'edebug-form-spec '(body))
-
-(defun gnus-article-goto-header (header)
- (re-search-forward (concat "^" header ":") nil t))
-
(gnus-ems-redefine)
(provide 'gnus-art)
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