;;; gnus-picon.el --- displaying pretty icons in Gnus
-;; Copyright (C) 1996,97 Free Software Foundation, Inc.
+;; Copyright (C) 1996,97,98,99 Free Software Foundation, Inc.
;; Author: Wes Hardaker <hardaker@ece.ucdavis.edu>
;; Keywords: news xpm annotation glyph faces
;;; Commentary:
-;;; TODO:
-;; See the comment in gnus-picons-remove
-
;;; Code:
(require 'gnus)
-(require 'xpm)
+;; (require 'xpm)
(require 'annotations)
(require 'custom)
(require 'gnus-art)
(defgroup picons nil
"Show pictures of people, domains, and newsgroups (XEmacs).
-For this to work, you must add gnus-group-display-picons to the
-gnus-summary-display-hook or to the gnus-article-display-hook
-depending on what gnus-picons-display-where is set to. You must
-also add gnus-article-display-picons to gnus-article-display-hook."
+For this to work, you must switch on the `gnus-treat-display-picons'
+variable."
:group 'gnus-visual)
-(defcustom gnus-picons-buffer "*Icon Buffer*"
- "Buffer name to display the icons in if gnus-picons-display-where is 'picons."
- :type 'string
- :group 'picons)
-
(defcustom gnus-picons-display-where 'picons
"Where to display the group and article icons.
-Legal values are `article' and `picons'."
+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.
+ "*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-directory "news"
- "Sub-directory of the faces database containing the icons for newsgroups."
- :type 'string
+(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."
+ "*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.
+ "*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."
+ "*If non-nil, display the article buffer before computing the picons."
:type 'boolean
:group 'picons)
-(defcustom gnus-picons-x-face-file-name
- (format "/tmp/picon-xface.%s.xbm" (user-login-name))
- "The name of the file in which to store the converted X-face header."
- :type 'string
- :group 'picons)
-
-(defcustom gnus-picons-convert-x-face (format "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | pbmtoxbm > %s" gnus-picons-x-face-file-name)
- "Command to convert the x-face header into a xbm file."
- :type 'string
+(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
(when (featurep 'xpm)
(push "xpm" types))
types))
- "List of suffixes on picon file names to try."
+ "*List of suffixes on picon file names to try."
:type '(repeat string)
:group 'picons)
-(defcustom gnus-picons-display-article-move-p t
+(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
(defcustom gnus-picons-piconsearch-url nil
"*The url to query for picons. Setting this to nil will disable it.
-The only plublicly available address currently known is
+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)
(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 file names cache.
List of pairs (KEY . NAME) where KEY is (USER HOST DBS) and NAME is an URL.")
-(defvar gnus-group-annotations nil
- "List of annotations added/removed when selecting/exiting a group")
-(defvar gnus-group-annotations-lock nil)
-(defvar gnus-article-annotations nil
- "List of annotations added/removed when selecting an article")
-(defvar gnus-article-annotations-lock nil)
-(defvar gnus-x-face-annotations nil
- "List of annotations added/removed when selecting an article with an
-X-Face.")
-(defvar gnus-x-face-annotations-lock nil)
-
(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,
;;; Functions:
-(defsubst gnus-picons-lock (symbol)
- (intern (concat (symbol-name symbol) "-lock")))
-
-(defun gnus-picons-remove (symbol)
- "Remove all annotations in variable named SYMBOL.
-This function is careful to set it to nil before removing anything so that
-asynchronous process don't get crazy."
- ;; clear the lock
- (set (gnus-picons-lock symbol) nil)
- ;; clear all annotations
- (mapc (function (lambda (item)
- (if (annotationp item)
- (delete-annotation item))))
- (prog1 (symbol-value symbol)
- (set symbol nil)))
- ;; FIXME: there's a race condition here. If a job is already
- ;; running, it has already removed itself from this queue... But
- ;; will still display its picon.
- ;; TODO: push a request to clear an annotation. Then
- ;; gnus-picons-next-job will be able to clean up when it gets the
- ;; hand
- (setq gnus-picons-jobs-alist (remassq symbol gnus-picons-jobs-alist)))
-
(defun gnus-picons-remove-all ()
"Removes all picons from the Gnus display(s)."
(interactive)
- (gnus-picons-remove 'gnus-article-annotations)
- (gnus-picons-remove 'gnus-group-annotations)
- (gnus-picons-remove 'gnus-x-face-annotations)
- (when (bufferp gnus-picons-buffer)
- (kill-buffer gnus-picons-buffer)))
+ (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."
- (cond ((symbolp variable) (let ((newvar (cdr (assq variable
- gnus-window-to-buffer))))
- (cond ((symbolp newvar)
- (symbol-value newvar))
- ((stringp newvar) newvar))))
- ((stringp variable) variable)))
-
-(defun gnus-picons-prepare-for-annotations (annotations)
- "Prepare picons buffer for puting annotations memorized in ANNOTATIONS.
-ANNOTATIONS should be a symbol naming a variable wich contains a list of
-annotations. Sets buffer to `gnus-picons-display-where'."
- ;; let drawing catch up
- (when gnus-picons-refresh-before-display
- (sit-for 0))
- (set-buffer (get-buffer-create
- (gnus-get-buffer-name gnus-picons-display-where)))
- (gnus-add-current-to-buffer-list)
+ (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)
- (when (search-forward "\n\n" nil t)
- (forward-line -1))
- (make-local-variable 'inhibit-read-only)
- (setq buffer-read-only t
- inhibit-read-only nil))
- (gnus-picons-remove annotations))
-
-(defun gnus-picons-article-display-x-face ()
- "Display the x-face header bitmap in the 'gnus-picons-display-where buffer."
- ;; delete any old ones.
- ;; This is needed here because gnus-picons-display-x-face will not
- ;; be called if there is no X-Face header
- (gnus-picons-remove 'gnus-x-face-annotations)
- ;; display the new one.
- (let ((gnus-article-x-face-command 'gnus-picons-display-x-face))
- (gnus-article-display-x-face)))
-
-(defun gnus-picons-x-face-sentinel (process event)
- (let* ((env (assq process gnus-picons-processes-alist))
- (annot (cdr env)))
- (setq gnus-picons-processes-alist (remassq process
- gnus-picons-processes-alist))
- (when annot
- (set-annotation-glyph annot
- (make-glyph gnus-picons-x-face-file-name))
- (if (memq annot gnus-x-face-annotations)
- (delete-file gnus-picons-x-face-file-name)))))
-
-(defun gnus-picons-display-x-face (beg end)
- "Function to display the x-face header in the picons window.
-To use: (setq gnus-article-x-face-command 'gnus-picons-display-x-face)"
- (interactive)
- (if (featurep 'xface)
- ;; Use builtin support
- (let ((buf (current-buffer)))
- (save-excursion
- (gnus-picons-prepare-for-annotations 'gnus-x-face-annotations)
- (setq gnus-x-face-annotations
- (cons (make-annotation
- (vector 'xface
- :data (concat "X-Face: "
- (buffer-substring beg end buf)))
- nil 'text)
- gnus-x-face-annotations))))
- ;; convert the x-face header to a .xbm file
- (let* ((process-connection-type nil)
- (annot (save-excursion
- (gnus-picons-prepare-for-annotations
- 'gnus-x-face-annotations)
- (make-annotation nil nil 'text)))
- (process (start-process-shell-command "gnus-x-face" nil
- gnus-picons-convert-x-face)))
- (push annot gnus-x-face-annotations)
- (push (cons process annot) gnus-picons-processes-alist)
- (process-kill-without-query process)
- (set-process-sentinel process 'gnus-picons-x-face-sentinel)
- (process-send-region process beg end)
- (process-send-eof process))))
+ (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 his/her domain in gnus-picons-display-where."
+ "Display faces for an author and her domain in gnus-picons-display-where."
(interactive)
(let (from at-idx)
(when (and (featurep 'xpm)
(message-tokenize-header gnus-local-domain "."))
(message-tokenize-header (substring from (1+ at-idx))
"."))))
- (gnus-picons-prepare-for-annotations 'gnus-article-annotations)
+ (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)
- (setq gnus-article-annotations
- (nconc gnus-article-annotations
- (gnus-picons-display-pairs
- (gnus-picons-lookup-pairs
- addrs gnus-picons-domain-directories)
- (not (or gnus-picons-display-as-address
- gnus-article-annotations))
- "." t)
- (if (and gnus-picons-display-as-address addrs)
- (list (make-annotation [string :data "@"] nil
- 'text nil nil nil t)))
- (gnus-picons-display-picon-or-name
- (gnus-picons-lookup-user username addrs)
- username t)))
+ (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)
+ gnus-picons-domain-directories t (point-marker))
gnus-picons-jobs-alist)
- (gnus-picons-next-job))
-
- (add-hook 'gnus-summary-exit-hook 'gnus-picons-remove-all))))))
+ (gnus-picons-next-job)))))))
(defun gnus-group-display-picons ()
- "Display icons for the group in the gnus-picons-display-where buffer."
+ "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)))
- (save-excursion
- (gnus-picons-prepare-for-annotations 'gnus-group-annotations)
- (if (null gnus-picons-piconsearch-url)
- (setq gnus-group-annotations
- (gnus-picons-display-pairs
- (gnus-picons-lookup-pairs (reverse (message-tokenize-header
- gnus-newsgroup-name "."))
- gnus-picons-news-directory)
- t "."))
- (push (list 'gnus-group-annotations 'search nil
- (message-tokenize-header gnus-newsgroup-name ".")
- (if (listp gnus-picons-news-directory)
- gnus-picons-news-directory
- (list gnus-picons-news-directory))
- nil)
- gnus-picons-jobs-alist)
- (gnus-picons-next-job))
-
- (add-hook 'gnus-summary-exit-hook 'gnus-picons-remove-all))))
-
-(defsubst gnus-picons-lookup-internal (addrs dir)
+ (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-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 (make-annotation
+ (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 ((bar (and bar-p (or gnus-picons-display-as-address
- (annotations-in-region (point)
- (min (point-max)
- (1+ (point)))
- (current-buffer)))))
- (domain-p (and gnus-picons-display-as-address dot-p))
+ (let ((domain-p (and gnus-picons-display-as-address dot-p))
pair picons)
- (while pairs
- (setq pair (pop pairs)
- picons (nconc (if (and domain-p picons (not right-p))
- (list (make-annotation
- (vector 'string :data dot-p)
- nil 'text nil nil nil right-p)))
- (gnus-picons-display-picon-or-name (car pair)
- (cadr pair)
- right-p)
- (if (and domain-p pairs right-p)
- (list (make-annotation
+ (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)))
- (when (and bar domain-p)
- (setq bar nil)
- (gnus-picons-display-glyph
- (gnus-picons-try-face gnus-xmas-glyph-directory
- "bar.")
- nil t))
- picons)))
+ nil 'text nil nil nil right-p))))))
picons))
(defun gnus-picons-try-face (dir &optional filebase)
(key (concat dir filebase))
(glyph (cdr (assoc key gnus-picons-glyph-alist)))
(suffixes gnus-picons-file-suffixes)
- f)
- (while (and suffixes (null glyph))
- (when (file-exists-p (setq f (expand-file-name (concat filebase
- (pop suffixes))
- dir)))
- (setq glyph (make-glyph f))
+ 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)
- (let ((new (make-annotation glyph (point) 'text nil nil nil 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-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 (make-annotation [string :data " "]
- (point) 'text nil nil nil rightp))))))
+ (list (gnus-picons-make-annotation [string :data " "] (point)
+ 'text nil nil nil rightp))))))
(defun gnus-picons-action-toggle (data)
- "Toggle annotation"
+ "Toggle annotation."
(interactive "e")
(let* ((annot (car data))
(glyph (annotation-glyph annot)))
(set-annotation-data annot (cons annot glyph))))
(defun gnus-picons-clear-cache ()
- "Clear the picons cache"
+ "Clear the picons cache."
(interactive)
- (setq gnus-picons-glyph-alist nil))
+ (setq gnus-picons-glyph-alist nil
+ gnus-picons-url-alist nil))
(gnus-add-shutdown 'gnus-picons-close 'gnus)
;;; Query a remote DB. This requires some stuff from w3 !
-(require 'url)
-(require 'w3-forms)
+(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-request-method nil)
(url-package-name "Gnus")
- (url-package-version gnus-version-number))
+ (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-show-status nil
url-current-callback-data arg
url-current-callback-func fn)
(url-retrieve url t))
(defun gnus-picons-parse-value (name)
(goto-char (point-min))
- (re-search-forward (concat "<strong>"
- (regexp-quote name)
- "</strong> *= *<kbd> *\\([^ <][^<]*\\) *</kbd>"))
- (buffer-substring (match-beginning 1) (match-end 1)))
+ (if (re-search-forward (concat "<strong>"
+ (regexp-quote name)
+ "</strong> *= *<kbd> *\\([^ <][^<]*\\) *</kbd>")
+ 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
- (concat
- ;; dbs
- "^\\(" (mapconcat 'identity dbs "\\|") "\\)/"
- ;; host
- "\\(\\(" (replace-in-string host "\\." "/\\|" t) "/\\|MISC/\\)*\\)"
- ;; user
- "\\(" (regexp-quote user) "\\|unknown\\)/"
- "face\\."))
- cur-db cur-host cur-user types res)
+ (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
- (re-search-forward "<p>[ \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 "<br>"))
- (goto-char (point-min))
- (setq types gnus-picons-file-suffixes)
- (while (and types
- (not (re-search-forward
- (concat "<a[ \t\n]+href=\"\\([^\"]*\\."
- (regexp-quote (car types)) "\\)\"")
- nil t)))
- (pop types))
- (push (cons (list cur-user cur-host cur-db)
- (buffer-substring (match-beginning 1) (match-end 1)))
- res))))
- (nreverse res)))
+ (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 "<p>[ \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 "<br>"))
+ (goto-char (point-min))
+ (setq types gnus-picons-file-suffixes)
+ (while (and types
+ (not (re-search-forward
+ (concat "<a[ \t\n]+href=\"\\([^\"]*\\."
+ (regexp-quote (car types)) "\\)\"")
+ nil t)))
+ (pop types))
+ (push (cons (list cur-user cur-host cur-db)
+ (buffer-substring (match-beginning 1) (match-end 1)))
+ res))))
+ (nreverse res))))
;;; picon network display functions :
-(defun gnus-picons-network-display-internal (sym-ann glyph part right-p)
- (set-buffer
- (get-buffer-create (gnus-get-buffer-name gnus-picons-display-where)))
- (set sym-ann (nconc (symbol-value sym-ann)
- (gnus-picons-display-picon-or-name glyph part right-p)))
+(defun gnus-picons-network-display-internal (sym-ann glyph part right-p marker)
+ (let ((buf (marker-buffer marker))
+ (pos (marker-position marker)))
+ (if (and buf pos)
+ (save-excursion
+ (set-buffer buf)
+ (goto-char pos)
+ (gnus-picons-display-picon-or-name glyph part right-p))))
(gnus-picons-next-job-internal))
-(defun gnus-picons-network-display-callback (url part sym-ann right-p)
+(defun gnus-picons-network-display-callback (url part sym-ann right-p marker)
(let ((glyph (gnus-picons-make-glyph (cdr (assoc url-current-mime-type
w3-image-mappings)))))
(kill-buffer (current-buffer))
(push (cons url glyph) gnus-picons-glyph-alist)
- (gnus-picons-network-display-internal sym-ann glyph part right-p)))
-
-(defun gnus-picons-network-display (url part sym-ann right-p)
+ ;; only do the job if it has not been preempted.
+ (if (equal gnus-picons-job-already-running
+ (list sym-ann 'picon url part right-p marker))
+ (gnus-picons-network-display-internal
+ sym-ann glyph part right-p marker)
+ (gnus-picons-next-job-internal))))
+
+(defun gnus-picons-network-display (url part sym-ann right-p marker)
(let ((cache (assoc url gnus-picons-glyph-alist)))
(if (or cache (null url))
- (gnus-picons-network-display-internal sym-ann (cdr cache) part right-p)
+ (gnus-picons-network-display-internal
+ sym-ann (cdr cache) part right-p marker)
(gnus-picons-url-retrieve url 'gnus-picons-network-display-callback
- (list url part sym-ann right-p)))))
+ (list url part sym-ann right-p marker)))))
;;; search job functions
+(defun gnus-picons-display-bar-p ()
+ (if (eq gnus-picons-display-where 'article)
+ gnus-picons-display-article-move-p
+ gnus-picons-display-as-address))
+
(defun gnus-picons-network-search-internal (user addrs dbs sym-ann right-p
- &optional fnames)
+ marker &optional fnames)
(let (curkey dom pfx url dbs-tmp cache new-jobs)
;; First do the domain search
(dolist (part (if right-p
(push (setq cache (cons curkey url)) gnus-picons-url-alist))
;; Put this glyph in the job list
(if (and (not (eq dom part)) gnus-picons-display-as-address)
- (push (list sym-ann "." right-p) new-jobs))
- (push (list sym-ann 'picon (cdr cache) part right-p) new-jobs))
+ (push (list sym-ann "." right-p marker) new-jobs))
+ (push (list sym-ann 'picon (cdr cache) part right-p marker) new-jobs))
;; next, the user search
(when user
(setq curkey (list user dom gnus-picons-user-directories))
(push (setq cache (cons curkey (cdr picon)))
gnus-picons-url-alist)))
(if (and gnus-picons-display-as-address new-jobs)
- (push (list sym-ann "@" right-p) new-jobs))
- (push (list sym-ann 'picon (cdr cache) user right-p) new-jobs))
- (setq gnus-picons-jobs-alist (nconc (nreverse new-jobs)
- gnus-picons-jobs-alist))
+ (push (list sym-ann "@" right-p marker) new-jobs))
+ (push (list sym-ann 'picon (cdr cache) user right-p marker) new-jobs))
+ (if (and (gnus-picons-display-bar-p) (not right-p))
+ (push (list sym-ann 'bar right-p marker) new-jobs))
+ ;; only put the jobs in the queue if this job has not been preempted.
+ (if (equal gnus-picons-job-already-running
+ (list sym-ann 'search user addrs dbs right-p marker))
+ (setq gnus-picons-jobs-alist
+ (nconc (if (and (gnus-picons-display-bar-p) right-p)
+ (list (list sym-ann 'bar right-p marker)))
+ (nreverse new-jobs)
+ gnus-picons-jobs-alist)))
(gnus-picons-next-job-internal)))
-(defun gnus-picons-network-search-callback (user addrs dbs sym-ann right-p)
- (gnus-picons-network-search-internal user addrs dbs sym-ann right-p
- (prog1 (gnus-picons-parse-filenames)
- (kill-buffer (current-buffer)))))
+(defun gnus-picons-network-search-callback (user addrs dbs sym-ann right-p
+ marker)
+ (gnus-picons-network-search-internal
+ user addrs dbs sym-ann right-p marker
+ (prog1
+ (gnus-picons-parse-filenames)
+ (kill-buffer (current-buffer)))))
-(defun gnus-picons-network-search (user addrs dbs sym-ann right-p)
+;; Initiate a query on the picon database
+(defun gnus-picons-network-search (user addrs dbs sym-ann right-p marker)
(let* ((host (mapconcat 'identity addrs "."))
(key (list (or user "unknown") host (if user
- gnus-picons-user-directories
- dbs)))
+ gnus-picons-user-directories
+ dbs)))
(cache (assoc key gnus-picons-url-alist)))
(if (null cache)
(gnus-picons-url-retrieve
dbs)
"+"))
'gnus-picons-network-search-callback
- (list user addrs dbs sym-ann right-p))
- (gnus-picons-network-search-internal user addrs dbs sym-ann right-p))))
+ (list user addrs dbs sym-ann right-p marker))
+ (gnus-picons-network-search-internal
+ user addrs dbs sym-ann right-p marker))))
;;; Main jobs dispatcher function
-;; Given that XEmacs is not really multi threaded, this locking should
-;; be sufficient
(defun gnus-picons-next-job-internal ()
- (if gnus-picons-jobs-alist
- (let* ((job (pop gnus-picons-jobs-alist))
- (sym-ann (pop job))
- (tag (pop job)))
- (if tag
- (cond ((stringp tag);; (SYM-ANN "..." RIGHT-P)
- (gnus-picons-network-display-internal sym-ann nil tag
- (pop job)))
- ((eq 'search tag);; (SYM-ANN 'search USER ADDRS DBS RIGHT-P)
- (gnus-picons-network-search
- (pop job) (pop job) (pop job) sym-ann (pop job)))
- ((eq 'picon tag);; (SYM-ANN 'picon URL PART RIGHT-P)
- (gnus-picons-network-display
- (pop job) (pop job) sym-ann (pop job)))
- (t (error "Unknown picon job tag %s" tag)))))
- (setq gnus-picons-job-already-running nil)))
+ (when (setq gnus-picons-job-already-running (pop gnus-picons-jobs-alist))
+ (let* ((job gnus-picons-job-already-running)
+ (sym-ann (pop job))
+ (tag (pop job)))
+ (when tag
+ (cond
+ ((stringp tag);; (SYM-ANN "..." RIGHT-P MARKER)
+ (gnus-picons-network-display-internal
+ sym-ann nil tag (pop job) (pop job)))
+ ((eq 'bar tag);; (SYM-ANN 'bar RIGHT-P MARKER)
+ (gnus-picons-network-display-internal
+ sym-ann
+ (let ((gnus-picons-file-suffixes '("xbm")))
+ (gnus-picons-try-face
+ gnus-xmas-glyph-directory "bar."))
+ nil (pop job) (pop job)))
+ ((eq 'search tag);; (SYM-ANN 'search USER ADDRS DBS RIGHT-P MARKER)
+ (gnus-picons-network-search
+ (pop job) (pop job) (pop job) sym-ann (pop job) (pop job)))
+ ((eq 'picon tag);; (SYM-ANN 'picon URL PART RIGHT-P MARKER)
+ (gnus-picons-network-display
+ (pop job) (pop job) sym-ann (pop job) (pop job)))
+ (t
+ (setq gnus-picons-job-already-running nil)
+ (error "Unknown picon job tag %s" tag)))))))
(defun gnus-picons-next-job ()
- "Start processing the job queue."
+ "Start processing the job queue if it is not in progress."
(unless gnus-picons-job-already-running
- (setq gnus-picons-job-already-running t)
(gnus-picons-next-job-internal)))
(provide 'gnus-picon)
projects / gnus / blobdiff