X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Fgnus-picon.el;fp=lisp%2Fgnus-picon.el;h=0000000000000000000000000000000000000000;hb=b369cf058148bbe6dee0154df7bcc2a7c0cc63d0;hp=9a4c9ba4f28529ca56adf55b731356e4ff195b1f;hpb=73430ac519bb1723c621b7b393a1e37c949e4c16;p=elisp%2Fgnus.git- diff --git a/lisp/gnus-picon.el b/lisp/gnus-picon.el deleted file mode 100644 index 9a4c9ba..0000000 --- a/lisp/gnus-picon.el +++ /dev/null @@ -1,757 +0,0 @@ -;;; gnus-picon.el --- displaying pretty icons in Gnus - -;; Copyright (C) 1996, 1997, 1998, 1999, 2000 -;; Free Software Foundation, Inc. - -;; Author: Wes Hardaker -;; 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: - -;;; Code: - -(eval-when-compile (require 'cl)) - -(require 'gnus) -;; (require 'xpm) -(require 'annotations) -(require 'custom) -(require 'gnus-art) -(require 'gnus-win) - -;;; User variables: - -(defgroup picons nil - "Show pictures of people, domains, and newsgroups (XEmacs). -For this to work, you must switch on the `gnus-treat-display-picons' -variable." - :group 'gnus-visual) - -(defcustom gnus-picons-display-where 'picons - "Where to display the group and article icons. -Valid values are `article' and `picons'." - :type '(choice symbol string) - :group 'picons) - -(defcustom gnus-picons-has-modeline-p t - "*Whether the picons window should have a modeline. -This is only useful if `gnus-picons-display-where' is `picons'." - :type 'boolean - :group 'picons) - -(defcustom gnus-picons-database "/usr/local/faces" - "*Defines the location of the faces database. -For information on obtaining this database of pretty pictures, please -see http://www.cs.indiana.edu/picons/ftp/index.html" - :type 'directory - :group 'picons) - -(defcustom gnus-picons-news-directories '("news") - "*List of directories to search for newsgroups faces." - :type '(repeat string) - :group 'picons) -(define-obsolete-variable-alias 'gnus-picons-news-directory - 'gnus-picons-news-directories) - -(defcustom gnus-picons-user-directories '("local" "users" "usenix" "misc") - "*List of directories to search for user faces." - :type '(repeat string) - :group 'picons) - -(defcustom gnus-picons-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 'picons) - -(defcustom gnus-picons-refresh-before-display nil - "*If non-nil, display the article buffer before computing the picons." - :type 'boolean - :group 'picons) - -(defcustom gnus-picons-group-excluded-groups nil - "*If this regexp matches the group name, group picons will be disabled." - :type 'regexp - :group 'picons) - -(defcustom gnus-picons-display-as-address t - "*If t display textual email addresses along with pictures." - :type 'boolean - :group 'picons) - -(defcustom gnus-picons-file-suffixes - (when (featurep 'x) - (let ((types (list "xbm"))) - (when (featurep 'gif) - (setq types (cons "gif" types))) - (when (featurep 'xpm) - (setq types (cons "xpm" types))) - types)) - "*List of suffixes on picon file names to try." - :type '(repeat string) - :group 'picons) - -(defcustom gnus-picons-display-article-move-p nil - "*Whether to move point to first empty line when displaying picons. -This has only an effect if `gnus-picons-display-where' has value `article'." - :type 'boolean - :group 'picons) - -(defcustom gnus-picons-clear-cache-on-shutdown t - "*Whether to clear the picons cache when exiting gnus. -Gnus caches every picons it finds while it is running. This saves -some time in the search process but eats some memory. If this -variable is set to nil, Gnus will never clear the cache itself; you -will have to manually call `gnus-picons-clear-cache' to clear it. -Otherwise the cache will be cleared every time you exit Gnus." - :type 'boolean - :group 'picons) - -(defcustom gnus-picons-piconsearch-url nil - "*The url to query for picons. Setting this to nil will disable it. -The only publicly available address currently known is -http://www.cs.indiana.edu:800/piconsearch. If you know of any other, -please tell me so that we can list it." - :type '(choice (const :tag "Disable" :value nil) - (const :tag "www.cs.indiana.edu" - :value "http://www.cs.indiana.edu:800/piconsearch") - (string)) - :group 'picons) - -(defface gnus-picons-xbm-face '((t (:foreground "black" :background "white"))) - "Face to show xbm picons in." - :group 'picons) - -(defface gnus-picons-face '((t (:foreground "black" :background "white"))) - "Face to show picons in." - :group 'picons) - -(defcustom gnus-picons-setup-hook nil - "Hook run in Picons buffers." - :group 'picons - :type 'hook) - -;;; Internal variables: - -(defvar gnus-picons-setup-p nil) -(defvar gnus-picons-processes-alist nil - "Picons processes currently running and their environment.") -(defvar gnus-picons-glyph-alist nil - "Picons glyphs cache. -List of pairs (KEY . GLYPH) where KEY is either a filename or an URL.") -(defvar gnus-picons-url-alist nil - "Picons file names cache. -List of pairs (KEY . NAME) where KEY is (USER HOST DBS) and NAME is an URL.") - -(defvar gnus-picons-jobs-alist nil - "List of jobs that still need be done. -This is a list of (SYM-ANN TAG ARGS...) where SYM-ANN three annotations list, -TAG is one of `picon' or `search' indicating that the job should query a -picon or do a search for picons file names, and ARGS is some additionnal -arguments necessary for the job.") - -(defvar gnus-picons-job-already-running nil - "Lock to ensure only one stream of http requests is running.") - -;;; Functions: - -(defun gnus-picons-remove-all () - "Removes all picons from the Gnus display(s)." - (interactive) - (map-extents (function (lambda (ext unused) (delete-annotation ext) nil)) - nil nil nil nil nil 'gnus-picon) - (setq gnus-picons-jobs-alist '()) - ;; notify running job that it may have been preempted - (if (and (listp gnus-picons-job-already-running) - gnus-picons-job-already-running) - (setq gnus-picons-job-already-running t))) - -(defun gnus-get-buffer-name (variable) - "Returns the buffer name associated with the contents of a variable." - (let ((buf (gnus-get-buffer-create - (gnus-window-to-buffer-helper - (cdr (assq variable gnus-window-to-buffer)))))) - (and buf - (buffer-name buf)))) - -(defun gnus-picons-buffer-name () - (cond ((or (stringp gnus-picons-display-where) - (bufferp gnus-picons-display-where)) - gnus-picons-display-where) - ((eq gnus-picons-display-where 'picons) - (if gnus-single-article-buffer - "*Picons*" - (concat "*Picons " gnus-newsgroup-name "*"))) - (t - (gnus-get-buffer-name gnus-picons-display-where)))) - -(defun gnus-picons-kill-buffer () - (let ((buf (get-buffer (gnus-picons-buffer-name)))) - (when (and (buffer-live-p buf) - (string-match "Picons" (buffer-name buf))) - (kill-buffer buf)))) - -(defun gnus-picons-setup-buffer () - (let ((name (gnus-picons-buffer-name))) - (save-excursion - (if (and (get-buffer name) - (with-current-buffer name - gnus-picons-setup-p)) - (set-buffer name) - (set-buffer (gnus-get-buffer-create name)) - (buffer-disable-undo) - (setq buffer-read-only t) - (run-hooks 'gnus-picons-setup-hook) - (set (make-local-variable 'gnus-picons-setup-p) t) - (add-hook 'gnus-summary-prepare-exit-hook 'gnus-picons-kill-buffer)) - (current-buffer)))) - -(defun gnus-picons-set-buffer () - (set-buffer (gnus-picons-setup-buffer)) - (goto-char (point-min)) - (if (and (eq gnus-picons-display-where 'article) - gnus-picons-display-article-move-p) - (if (search-forward "\n\n" nil t) - (forward-line -1) - (goto-char (point-max))) - (setq buffer-read-only t) - (unless gnus-picons-has-modeline-p - (set-specifier has-modeline-p - (list (list (current-buffer) - (cons nil gnus-picons-has-modeline-p))))))) - -(defun gnus-picons-prepare-for-annotations () - "Prepare picons buffer for putting annotations." - ;; let drawing catch up - (when gnus-picons-refresh-before-display - (sit-for 0)) - (gnus-picons-set-buffer) - (gnus-picons-remove-all)) - -(defun gnus-picons-make-annotation (&rest args) - (let ((annot (apply 'make-annotation args))) - (set-extent-property annot 'gnus-picon t) - (set-extent-property annot 'duplicable t) - annot)) - -(defun gnus-article-display-picons () - "Display faces for an author and her domain in gnus-picons-display-where." - (interactive) - (let (from at-idx) - (when (and (featurep 'xpm) - (or (not (fboundp 'device-type)) (equal (device-type) 'x)) - (setq from (mail-fetch-field "from")) - (setq from (downcase (or (cadr - (funcall gnus-extract-address-components - from)) - ""))) - (or (setq at-idx (string-match "@" from)) - (setq at-idx (length from)))) - (save-excursion - (let ((username (downcase (substring from 0 at-idx))) - (addrs (if (eq at-idx (length from)) - (if gnus-local-domain - (message-tokenize-header gnus-local-domain ".")) - (message-tokenize-header (substring from (1+ at-idx)) - ".")))) - (gnus-picons-prepare-for-annotations) - (gnus-group-display-picons) - (unless gnus-picons-display-article-move-p - (let ((buffer-read-only nil) - (case-fold-search t)) - (when (re-search-forward "^From *: *" nil t) - (when (search-forward from (gnus-point-at-eol) t) - (gnus-put-text-property - (match-beginning 0) (match-end 0) - 'invisible t))))) - (if (null gnus-picons-piconsearch-url) - (progn - (gnus-picons-display-pairs (gnus-picons-lookup-pairs - addrs - gnus-picons-domain-directories) - gnus-picons-display-as-address - "." t) - (if (and gnus-picons-display-as-address addrs) - (gnus-picons-make-annotation - [string :data "@"] nil 'text nil nil nil t)) - (gnus-picons-display-picon-or-name - (gnus-picons-lookup-user username addrs) - username t)) - (push (list 'gnus-article-annotations 'search username addrs - gnus-picons-domain-directories t (point-marker)) - gnus-picons-jobs-alist) - (gnus-picons-next-job))))))) - -(defun gnus-group-display-picons () - "Display icons for the group in the `gnus-picons-display-where' buffer." - (interactive) - (when (and (featurep 'xpm) - (or (not (fboundp 'device-type)) (equal (device-type) 'x)) - (or (null gnus-picons-group-excluded-groups) - (not (string-match gnus-picons-group-excluded-groups - gnus-newsgroup-name)))) - (let* ((newsgroups (mail-fetch-field "newsgroups")) - (groups - (if (or gnus-picons-display-article-move-p - (not newsgroups)) - (list (gnus-group-real-name gnus-newsgroup-name)) - (split-string newsgroups ","))) - group) - (save-excursion - (gnus-picons-prepare-for-annotations) - (while (setq group (pop groups)) - (unless gnus-picons-display-article-move-p - (let ((buffer-read-only nil) - (case-fold-search t)) - (goto-char (point-min)) - (if (and (re-search-forward "^Newsgroups *: *" nil t) - (search-forward group (gnus-point-at-eol) t)) - (gnus-put-text-property - (match-beginning 0) (match-end 0) - 'invisible t) - (let ((article-goto-body-goes-to-point-min-p nil)) - (article-goto-body)) - (unless (bobp) - (backward-char 1))))) - (if (null gnus-picons-piconsearch-url) - (gnus-picons-display-pairs - (gnus-picons-lookup-pairs - (reverse (split-string group "\\.")) - gnus-picons-news-directories) - t ".") - (push (list 'gnus-group-annotations 'search nil - (split-string group "\\.") - (if (listp gnus-picons-news-directories) - gnus-picons-news-directories - (list gnus-picons-news-directories)) - nil (point-marker)) - gnus-picons-jobs-alist) - (gnus-picons-next-job)) - - (add-hook 'gnus-summary-exit-hook 'gnus-picons-remove-all)))))) - -(defun gnus-picons-lookup-internal (addrs dir) - (setq dir (expand-file-name dir gnus-picons-database)) - (gnus-picons-try-face (dolist (part (reverse addrs) dir) - (setq dir (expand-file-name part dir))))) - -(defun gnus-picons-lookup (addrs dirs) - "Lookup the picon for ADDRS in databases DIRS. -Returns the picon filename or NIL if none found." - (let (result) - (while (and dirs (null result)) - (setq result (gnus-picons-lookup-internal addrs (pop dirs)))) - result)) - -(defun gnus-picons-lookup-user-internal (user domains) - (let ((dirs gnus-picons-user-directories) - domains-tmp dir picon) - (while (and dirs (null picon)) - (setq domains-tmp domains - dir (pop dirs)) - (while (and domains-tmp - (null (setq picon (gnus-picons-lookup-internal - (cons user domains-tmp) dir)))) - (pop domains-tmp)) - ;; Also make a try in MISC subdir - (unless picon - (setq picon (gnus-picons-lookup-internal (list user "MISC") dir)))) - picon)) - -(defun gnus-picons-lookup-user (user domains) - "Lookup the picon for USER at DOMAINS. -USER is a string containing a name. -DOMAINS is a list of strings from the fully qualified domain name." - (or (gnus-picons-lookup-user-internal user domains) - (gnus-picons-lookup-user-internal "unknown" domains))) - -(defun gnus-picons-lookup-pairs (domains directories) - "Lookup picons for DOMAINS and all its parents in DIRECTORIES. -Returns a list of PAIRS whose CAR is the picon filename or NIL if -none, and whose CDR is the corresponding element of DOMAINS." - (let (picons) - (setq directories (if (listp directories) - directories - (list directories))) - (while domains - (push (list (gnus-picons-lookup (cons "unknown" domains) directories) - (pop domains)) - picons)) - picons)) - -(defun gnus-picons-display-picon-or-name (picon name &optional right-p) - (cond (picon (gnus-picons-display-glyph picon name right-p)) - (gnus-picons-display-as-address (list (gnus-picons-make-annotation - (vector 'string :data name) - nil 'text - nil nil nil right-p))))) - -(defun gnus-picons-display-pairs (pairs &optional bar-p dot-p right-p) - "Display picons in list PAIRS." - (let ((domain-p (and gnus-picons-display-as-address dot-p)) - pair picons) - (when (and bar-p domain-p right-p - gnus-picons-display-article-move-p) - (setq picons (gnus-picons-display-glyph - (let ((gnus-picons-file-suffixes '("xbm"))) - (gnus-picons-try-face - gnus-xmas-glyph-directory "bar.")) - nil right-p))) - (while (setq pair (pop pairs)) - (setq picons (nconc picons - (gnus-picons-display-picon-or-name - (car pair) (cadr pair) right-p) - (if (and domain-p pairs) - (list (gnus-picons-make-annotation - (vector 'string :data dot-p) - nil 'text nil nil nil right-p)))))) - picons)) - -(defun gnus-picons-try-face (dir &optional filebase) - (let* ((dir (file-name-as-directory dir)) - (filebase (or filebase "face.")) - (key (concat dir filebase)) - (glyph (cdr (assoc key gnus-picons-glyph-alist))) - (suffixes gnus-picons-file-suffixes) - f suf) - (while (setq suf (pop suffixes)) - (when (file-exists-p (setq f (expand-file-name - (concat filebase suf) - dir))) - (setq suffixes nil - glyph (make-glyph f)) - (if (equal suf "xbm") - (set-glyph-face glyph 'gnus-picons-xbm-face) - (set-glyph-face glyph 'gnus-picons-face)) - (push (cons key glyph) gnus-picons-glyph-alist))) - glyph)) - -(defun gnus-picons-display-glyph (glyph &optional part rightp) - (set-glyph-baseline glyph 70) - (let ((new (gnus-picons-make-annotation - glyph (point) 'text nil nil nil rightp))) - (when (and part gnus-picons-display-as-address) - (set-annotation-data - new (cons new (make-glyph (vector 'string :data part)))) - (set-annotation-action new 'gnus-picons-action-toggle)) - (nconc - (list new) - (if (and (eq major-mode 'gnus-article-mode) - (not gnus-picons-display-as-address) - (not part)) - (list (gnus-picons-make-annotation [string :data " "] (point) - 'text nil nil nil rightp)))))) - -(defun gnus-picons-action-toggle (data) - "Toggle annotation." - (interactive "e") - (let* ((annot (car data)) - (glyph (annotation-glyph annot))) - (set-annotation-glyph annot (cdr data)) - (set-annotation-data annot (cons annot glyph)))) - -(defun gnus-picons-clear-cache () - "Clear the picons cache." - (interactive) - (setq gnus-picons-glyph-alist nil - gnus-picons-url-alist nil)) - -(gnus-add-shutdown 'gnus-picons-close 'gnus) - -(defun gnus-picons-close () - "Shut down the picons." - (if gnus-picons-clear-cache-on-shutdown - (gnus-picons-clear-cache))) - -;;; Query a remote DB. This requires some stuff from w3 ! - -(eval-and-compile - (ignore-errors - (require 'url) - (require 'w3-forms))) - -(defun gnus-picons-url-retrieve (url fn arg) - (let ((old-asynch (default-value 'url-be-asynchronous)) - (url-working-buffer (generate-new-buffer " *picons*")) - (url-package-name "Gnus") - (url-package-version gnus-version-number) - url-request-method) - (setq-default url-be-asynchronous t) - (save-excursion - (set-buffer url-working-buffer) - (setq url-be-asynchronous t - url-current-callback-data arg - url-current-callback-func fn) - (url-retrieve url t)) - (setq-default url-be-asynchronous old-asynch))) - -(defun gnus-picons-make-glyph (type) - "Make a TYPE glyph using current buffer as data. Handles xbm nicely." - (cond ((null type) nil) - ((eq type 'xbm) (let ((fname (make-temp-name "/tmp/picon"))) - (write-region (point-min) (point-max) fname - nil 'quiet) - (prog1 (make-glyph (vector 'xbm :file fname)) - (delete-file fname)))) - (t (make-glyph (vector type :data (buffer-string)))))) - -;;; Parsing of piconsearch result page. - -;; Assumes: -;; 1 - each value field has the form: "key = value" -;; 2 - a "

" separates the keywords from the results -;; 3 - every results begins by the path within the database at the beginning -;; of the line in raw text. -;; 3b - and the href following it is the preferred image type. - -;; if 1 or 2 is not met, it will probably cause an error. The other -;; will go undetected - -(defun gnus-picons-parse-value (name) - (goto-char (point-min)) - (if (re-search-forward (concat "" - (regexp-quote name) - " *= * *\\([^ <][^<]*\\) *") - nil t) - (buffer-substring (match-beginning 1) (match-end 1)))) - -(defun gnus-picons-parse-filenames () - ;; returns an alist of ((USER ADDRS DB) . URL) - (let ((case-fold-search t) - (user (gnus-picons-parse-value "user")) - (host (gnus-picons-parse-value "host")) - (dbs (message-tokenize-header (gnus-picons-parse-value "db") " ")) - start-re cur-db cur-host cur-user types res) - ;; now point will be somewhere in the header. Find beginning of - ;; entries - (when (and user host dbs) - (setq start-re - (concat - ;; dbs - "^\\(" (mapconcat 'regexp-quote dbs "\\|") "\\)/" - ;; host - "\\(\\(" (mapconcat 'regexp-quote - (message-tokenize-header host ".") "/\\|") - "/\\|MISC/\\)*\\)" - ;; user - "\\(" (regexp-quote user) "\\|unknown\\)/" - "face\\.")) - (re-search-forward "

[ \t\n]*") - (while (re-search-forward start-re nil t) - (setq cur-db (buffer-substring (match-beginning 1) (match-end 1)) - cur-host (buffer-substring (match-beginning 2) (match-end 2)) - cur-user (buffer-substring (match-beginning 4) (match-end 4)) - cur-host (nreverse (message-tokenize-header cur-host "/"))) - ;; XXX - KLUDGE: there is a blank picon in news/MISC/unknown - (unless (and (string-equal cur-db "news") - (string-equal cur-user "unknown") - (equal cur-host '("MISC"))) - ;; ok now we have found an entry (USER HOST DB), find the - ;; corresponding picon URL - (save-restriction - ;; restrict region to this entry - (narrow-to-region (point) (search-forward "
")) - (goto-char (point-min)) - (setq types gnus-picons-file-suffixes) - (while (and types - (not (re-search-forward - (concat "