[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Emacs-diffs] Changes to emacs/lisp/gnus/gnus-picon.el [lexbind]
From: |
Miles Bader |
Subject: |
[Emacs-diffs] Changes to emacs/lisp/gnus/gnus-picon.el [lexbind] |
Date: |
Wed, 15 Sep 2004 20:37:08 -0400 |
Index: emacs/lisp/gnus/gnus-picon.el
diff -c /dev/null emacs/lisp/gnus/gnus-picon.el:1.2.4.1
*** /dev/null Thu Sep 16 00:12:56 2004
--- emacs/lisp/gnus/gnus-picon.el Thu Sep 16 00:12:15 2004
***************
*** 0 ****
--- 1,283 ----
+ ;;; gnus-picon.el --- displaying pretty icons in Gnus
+
+ ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ ;; Free Software Foundation, Inc.
+
+ ;; Author: Lars Magne Ingebrigtsen <address@hidden>
+ ;; Keywords: news xpm annotation glyph faces
+
+ ;; This file is part of GNU Emacs.
+
+ ;; GNU Emacs is free software; you can redistribute it and/or modify
+ ;; it under the terms of the GNU General Public License as published by
+ ;; the Free Software Foundation; either version 2, or (at your option)
+ ;; any later version.
+
+ ;; GNU Emacs is distributed in the hope that it will be useful,
+ ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+ ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ ;; GNU General Public License for more details.
+
+ ;; You should have received a copy of the GNU General Public License
+ ;; along with GNU Emacs; see the file COPYING. If not, write to the
+ ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ ;; Boston, MA 02111-1307, USA.
+
+ ;;; Commentary:
+
+ ;; There are three picon types relevant to Gnus:
+ ;;
+ ;; Persons: address@hidden
+ ;; users/dom/subdomain/person/face.gif
+ ;; usenix/dom/subdomain/person/face.gif
+ ;; misc/MISC/person/face.gif
+ ;; Domains: subdomain.dom
+ ;; domain/dom/subdomain/unknown/face.gif
+ ;; Groups: comp.lang.lisp
+ ;; news/comp/lang/lisp/unknown/face.gif
+ ;;
+ ;; Original implementation by Wes Hardaker <address@hidden>.
+ ;;
+ ;;; Code:
+
+ (require 'gnus)
+ (require 'custom)
+ (require 'gnus-art)
+
+ ;;; User variables:
+
+ (defcustom gnus-picon-news-directories '("news")
+ "*List of directories to search for newsgroups faces."
+ :type '(repeat string)
+ :group 'gnus-picon)
+
+ (defcustom gnus-picon-user-directories '("users" "usenix" "local" "misc")
+ "*List of directories to search for user faces."
+ :type '(repeat string)
+ :group 'gnus-picon)
+
+ (defcustom gnus-picon-domain-directories '("domains")
+ "*List of directories to search for domain faces.
+ Some people may want to add \"unknown\" to this list."
+ :type '(repeat string)
+ :group 'gnus-picon)
+
+ (defcustom gnus-picon-file-types
+ (let ((types (list "xbm")))
+ (when (gnus-image-type-available-p 'gif)
+ (push "gif" types))
+ (when (gnus-image-type-available-p 'xpm)
+ (push "xpm" types))
+ types)
+ "*List of suffixes on picon file names to try."
+ :type '(repeat string)
+ :group 'gnus-picon)
+
+ (defface gnus-picon-xbm-face '((t (:foreground "black" :background "white")))
+ "Face to show xbm picon in."
+ :group 'gnus-picon)
+
+ (defface gnus-picon-face '((t (:foreground "black" :background "white")))
+ "Face to show picon in."
+ :group 'gnus-picon)
+
+ ;;; Internal variables:
+
+ (defvar gnus-picon-setup-p nil)
+ (defvar gnus-picon-glyph-alist nil
+ "Picon glyphs cache.
+ List of pairs (KEY . GLYPH) where KEY is either a filename or an URL.")
+ (defvar gnus-picon-cache nil)
+
+ ;;; Functions:
+
+ (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))
+ (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 'downcase
+ (reverse address)
+ "/")
+ "/" (downcase user) "/")))
+ (throw 'found result))
+ (if exact
+ (setq address nil)
+ (pop address)))
+ ;; Kludge to search MISC as well. But not in "news".
+ (unless (string= directory "news")
+ (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)
+ found type file)
+ (while (and (not found)
+ (setq type (pop types)))
+ (setq found (file-exists-p (setq file (concat directory "face."
type)))))
+ (if found
+ file
+ nil)))
+
+ (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) category)))
+
+ (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-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)
+ (dolist (address addresses)
+ (setq address (car address))
+ (when (and (stringp address)
+ (setq spec (gnus-picon-split-address address)))
+ (if (setq cache (cdr (assoc address gnus-picon-cache)))
+ (setq spec cache)
+ (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)))))
+ (setq spec (nreverse spec))
+ (push (cons address spec) gnus-picon-cache))
+
+ (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))))))))
+
+ (defun gnus-picon-transform-newsgroups (header)
+ (interactive)
+ (gnus-with-article-headers
+ (gnus-article-goto-header header)
+ (mail-header-narrow-to-field)
+ (let ((groups (message-tokenize-header (mail-fetch-field header)))
+ spec file point)
+ (dolist (group groups)
+ (unless (setq spec (cdr (assoc group gnus-picon-cache)))
+ (setq spec (nreverse (split-string group "[.]")))
+ (dotimes (i (length spec))
+ (when (setq file (gnus-picon-find-face
+ (concat "unknown@"
+ (mapconcat
+ 'identity (nthcdr i spec) "."))
+ gnus-picon-news-directories t))
+ (setcar (nthcdr i spec)
+ (cons (gnus-picon-create-glyph file)
+ (nth i spec)))))
+ (push (cons group spec) gnus-picon-cache))
+ (when (search-forward group nil t)
+ (delete-region (match-beginning 0) (match-end 0))
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (while spec
+ (goto-char (point-min))
+ (if (> (length spec) 1)
+ (insert "."))
+ (gnus-picon-insert-glyph (pop spec) 'newsgroups-picon))
+ (goto-char (point-max))))))))
+
+ ;;; 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)
+ (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)
+ (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)
+ (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)
+
+ ;;; arch-tag: fe9aede0-1b1b-463a-b4ab-807f98bcb31f
+ ;;; gnus-picon.el ends here
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- [Emacs-diffs] Changes to emacs/lisp/gnus/gnus-picon.el [lexbind],
Miles Bader <=