;;; gnus-picon.el --- displaying pretty icons in Gnus
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
;; Free Software Foundation, Inc.
-;; Author: Wes Hardaker <hardaker@ece.ucdavis.edu>
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news xpm annotation glyph faces
;; This file is part of GNU Emacs.
;; domain/dom/subdomain/unknown/face.gif
;; Groups: comp.lang.lisp
;; news/comp/lang/lisp/unknown/face.gif
-
+;;
+;; Original implementation by Wes Hardaker <hardaker@ece.ucdavis.edu>.
+;;
;;; Code:
(eval-when-compile (require 'cl))
(require 'gnus)
-(require 'custom)
(require 'gnus-art)
;;; User variables:
:type '(repeat string)
:group 'gnus-picon)
+(defcustom gnus-picon-style 'inline
+ "How should picons be displayed.
+If `inline', the textual representation is replaced. If `right', picons are
+added right to the textual representation."
+ ;; FIXME: `right' needs improvement for XEmacs.
+ :type '(choice (const inline)
+ (const right))
+ :group 'gnus-picon)
+
(defface gnus-picon-xbm-face '((t (:foreground "black" :background "white")))
"Face to show xbm picon in."
:group 'gnus-picon)
file
nil)))
-(defun gnus-picon-insert-glyph (glyph category)
+(defun gnus-picon-insert-glyph (glyph category &optional nostring)
"Insert GLYPH into the buffer.
-GLYPH can be either a glyph or a string."
+GLYPH can be either a glyph or a string. When NOSTRING, no textual
+replacement is added."
+ ;; Using NOSTRING prevents wrong BBDB entries with `gnus-picon-style' set to
+ ;; 'right.
(if (stringp glyph)
(insert glyph)
(gnus-add-wash-type category)
(gnus-add-image category (car glyph))
- (gnus-put-image (car glyph) (cdr glyph))))
+ (gnus-put-image (car glyph) (unless nostring (cdr glyph)) category)))
(defun gnus-picon-create-glyph (file)
(or (cdr (assoc file gnus-picon-glyph-alist))
(defun gnus-picon-transform-address (header category)
(gnus-with-article-headers
(let ((addresses
- (mail-header-parse-addresses (mail-fetch-field header)))
- spec file point cache)
+ (mail-header-parse-addresses
+ ;; mail-header-parse-addresses does not work (reliably) on
+ ;; decoded headers.
+ (or
+ (ignore-errors
+ (mail-encode-encoded-word-string
+ (or (mail-fetch-field header) "")))
+ (mail-fetch-field header))))
+ spec file point cache len)
(dolist (address addresses)
(setq address (car address))
(when (and (stringp address)
(gnus-article-goto-header header)
(mail-header-narrow-to-field)
- (when (search-forward address nil t)
- (delete-region (match-beginning 0) (match-end 0))
- (setq point (point))
- (while spec
- (goto-char point)
- (if (> (length spec) 2)
- (insert ".")
- (if (= (length spec) 2)
- (insert "@")))
- (gnus-picon-insert-glyph (pop spec) category))))))))
+ (case gnus-picon-style
+ (right
+ (when (= (length addresses) 1)
+ (setq len (apply '+ (mapcar (lambda (x)
+ (condition-case nil
+ (car (image-size (car x)))
+ (error 0))) spec)))
+ (when (> len 0)
+ (goto-char (point-at-eol))
+ (insert (propertize
+ " " 'display
+ (cons 'space
+ (list :align-to (- (window-width) 1 len))))))
+ (goto-char (point-at-eol))
+ (setq point (point-at-eol))
+ (dolist (image spec)
+ (unless (stringp image)
+ (goto-char point)
+ (gnus-picon-insert-glyph image category 'nostring)))))
+ (inline
+ (when (search-forward address nil t)
+ (delete-region (match-beginning 0) (match-end 0))
+ (setq point (point))
+ (while spec
+ (goto-char point)
+ (if (> (length spec) 2)
+ (insert ".")
+ (if (= (length spec) 2)
+ (insert "@")))
+ (gnus-picon-insert-glyph (pop spec) category)))))
+ )))))
(defun gnus-picon-transform-newsgroups (header)
(interactive)
;;; Commands:
+;; #### NOTE: the test for buffer-read-only is the same as in
+;; article-display-[x-]face. See the comment up there.
+
;;;###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))))
+ (let ((wash-picon-p buffer-read-only))
+ (gnus-with-article-buffer
+ (if (and wash-picon-p (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))))
+ (let ((wash-picon-p buffer-read-only))
+ (gnus-with-article-buffer
+ (if (and wash-picon-p (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"))))
+ (let ((wash-picon-p buffer-read-only))
+ (gnus-with-article-buffer
+ (if (and wash-picon-p (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 / elisp / gnus.git- / blobdiff