(require 'gnus)
(require 'custom)
(require 'gnus-art)
-(require 'gnus-win)
;;; User variables:
(defgroup picon nil
- "Show pictures of people, domains, and newsgroups.
-For this to work, you must switch on the `gnus-treat-display-picon'
-variable."
+ "Show pictures of people, domains, and newsgroups."
:group 'gnus-visual)
(defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces")
:type '(repeat string)
:group 'picon)
-(defcustom gnus-picon-user-directories '("users" "usenix" "local" "misc")
+(defcustom gnus-picon-user-directories '("users" "usenix" "local"
+ "misc" "unknown")
"*List of directories to search for user faces."
:type '(repeat string)
:group 'picon)
;;; Functions:
-(defun gnus-picon-find-user (address directories &optional exact)
- (let* ((databases gnus-picon-databases)
- (address (split-string address "[.@]"))
+(defsubst gnus-picon-split-address (address)
+ (setq address (split-string address "@"))
+ (if (stringp (cadr address))
+ (cons (car address) (split-string (cadr address) "\\."))
+ (if (stringp (car address))
+ (split-string (car address) "\\."))))
+
+(defun gnus-picon-find-face (address directories &optional exact)
+ (let* ((address (gnus-picon-split-address address))
(user (pop address))
- database directory found instance base)
- (while (and (not found)
- (setq database (pop databases)))
- (while (and (not found)
- (setq directory (pop directories)))
- (setq base (expand-file-name directory database))
- (while (and (not found)
- address)
- (setq found (gnus-picon-find-image
- (concat base "/" (mapconcat 'identity
- (reverse address)
- "/")
- "/" user "/")))
- (if exact
- (setq address nil)
- (pop address)))))
- found))
+ (faddress address)
+ database directory result instance base)
+ (catch 'found
+ (dolist (database gnus-picon-databases)
+ (dolist (directory directories)
+ (setq address faddress
+ base (expand-file-name directory database))
+ (while address
+ (when (setq result (gnus-picon-find-image
+ (concat base "/" (mapconcat 'identity
+ (reverse address)
+ "/")
+ "/" user "/")))
+ (throw 'found result))
+ (if exact
+ (setq address nil)
+ (pop address)))
+ ;; Kludge to search MISC as well.
+ (when (setq result (gnus-picon-find-image
+ (concat base "/MISC/" user "/")))
+ (throw 'found result)))))))
(defun gnus-picon-find-image (directory)
(let ((types gnus-picon-file-types)
file
nil)))
-(defun gnus-treat-from-picon ()
+(defun gnus-picon-insert-glyph (glyph category)
+ "Insert GLYPH into the buffer.
+GLYPH can be either a glyph or a string."
+ (if (stringp glyph)
+ (insert glyph)
+ (gnus-add-wash-type category)
+ (gnus-add-image category (car glyph))
+ (gnus-put-image (car glyph) (cdr glyph))))
+
+(defun gnus-picon-create-glyph (file)
+ (or (cdr (assoc file gnus-picon-glyph-alist))
+ (cdar (push (cons file (gnus-create-image file))
+ gnus-picon-glyph-alist))))
+
+;;; Functions that does picon transformations:
+
+(defun gnus-picon-transform-address (header category)
+ (gnus-with-article-headers
+ (let ((addresses
+ (mail-header-parse-addresses (mail-fetch-field header)))
+ first spec file)
+ (dolist (address addresses)
+ (setq address (car address)
+ first t)
+ (when (and (stringp address)
+ (setq spec (gnus-picon-split-address address)))
+ (when (setq file (or (gnus-picon-find-face
+ address gnus-picon-user-directories)
+ (gnus-picon-find-face
+ (concat "unknown@"
+ (mapconcat
+ 'identity (cdr spec) "."))
+ gnus-picon-user-directories)))
+ (setcar spec (cons (gnus-picon-create-glyph file)
+ (car spec))))
+
+ (dotimes (i (1- (length spec)))
+ (when (setq file (gnus-picon-find-face
+ (concat "unknown@"
+ (mapconcat
+ 'identity (nthcdr (1+ i) spec) "."))
+ gnus-picon-domain-directories t))
+ (setcar (nthcdr (1+ i) spec)
+ (cons (gnus-picon-create-glyph file)
+ (nth (1+ i) spec)))))
+
+ (gnus-article-goto-header header)
+ (mail-header-narrow-to-field)
+ (when (search-forward address nil t)
+ (delete-region (match-beginning 0) (match-end 0))
+ (while spec
+ (gnus-picon-insert-glyph (pop spec) category)
+ (when spec
+ (if (not first)
+ (insert ".")
+ (insert "@")
+ (setq first nil))))))))))
+
+(defun gnus-picon-transform-newsgroups (header)
(interactive)
(gnus-with-article-headers
- (let ((address
- (car (mail-header-parse-address (mail-fetch-field "from"))))
- (first t)
+ (let ((groups
+ (sort
+ (message-tokenize-header (mail-fetch-field header))
+ (lambda (g1 g2) (> (length g1) (length g2)))))
spec file)
- (when address
- (setq spec (split-string address "[.@]"))
- (when (setq file (gnus-picon-find-user
- address gnus-picon-user-directories))
- (setcar spec (gnus-picon-find-glyph file)))
- (dotimes (i (1- (length spec)))
- (when (setq file (gnus-picon-find-user
+ (dolist (group groups)
+ (setq spec (nreverse (split-string group "[.]")))
+ (dotimes (i (length spec))
+ (when (setq file (gnus-picon-find-face
(concat "unknown@"
(mapconcat
- 'identity (nthcdr (1+ i) spec) "."))
- gnus-picon-domain-directories t))
- (setcar (nthcdr (1+ i) spec) (gnus-picon-find-glyph file))))
+ 'identity (nthcdr i spec) "."))
+ gnus-picon-news-directories t))
+ (setcar (nthcdr i spec)
+ (cons (gnus-picon-create-glyph file)
+ (nth i spec)))))
- (gnus-article-goto-header "from")
+ (gnus-article-goto-header header)
(mail-header-narrow-to-field)
- (when (search-forward address nil t)
+ (when (search-forward group nil t)
(delete-region (match-beginning 0) (match-end 0))
+ (setq spec (nreverse spec))
(while spec
- (gnus-picon-insert-glyph (pop spec))
+ (gnus-picon-insert-glyph (pop spec) 'newsgroups-picon)
(when spec
- (if (not first)
- (insert ".")
- (insert "@")
- (setq first nil)))))))))
+ (insert "."))))))))
-(defun gnus-picon-insert-glyph (glyph)
- "Insert GLYPH into the buffer.
-GLYPH can be either a glyph or a string."
- (if (stringp glyph)
- (insert glyph)
- (gnus-put-image glyph)))
+;;; Commands:
-(defun gnus-picon-find-glyph (file)
- (gnus-create-image file))
+;;;###autoload
+(defun gnus-treat-from-picon ()
+ "Display picons in the From header.
+If picons are already displayed, remove them."
+ (interactive)
+ (gnus-with-article-buffer
+ (if (memq 'from-picon gnus-article-wash-types)
+ (gnus-delete-images 'from-picon)
+ (gnus-picon-transform-address "from" 'from-picon))))
+
+;;;###autoload
+(defun gnus-treat-mail-picon ()
+ "Display picons in the Cc and To headers.
+If picons are already displayed, remove them."
+ (interactive)
+ (gnus-with-article-buffer
+ (if (memq 'mail-picon gnus-article-wash-types)
+ (gnus-delete-images 'mail-picon)
+ (gnus-picon-transform-address "cc" 'mail-picon)
+ (gnus-picon-transform-address "to" 'mail-picon))))
+
+;;;###autoload
+(defun gnus-treat-newsgroups-picon ()
+ "Display picons in the Newsgroups and Followup-To headers.
+If picons are already displayed, remove them."
+ (interactive)
+ (gnus-with-article-buffer
+ (if (memq 'newsgroups-picon gnus-article-wash-types)
+ (gnus-delete-images 'newsgroups-picon)
+ (gnus-picon-transform-newsgroups "newsgroups")
+ (gnus-picon-transform-newsgroups "followup-to"))))
(provide 'gnus-picon)
projects / gnus / blobdiff