;;; gnus-picon.el --- displaying pretty icons in Gnus
-;; Copyright (C) 1996,97,98 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
;;; 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-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)
:type 'regexp
: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
- :group 'picons)
-
(defcustom gnus-picons-display-as-address t
"*If t display textual email addresses along with pictures."
:type 'boolean
: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
:group 'picons)
(defface gnus-picons-xbm-face '((t (:foreground "black" :background "white")))
- "Face to show X face"
+ "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
(defun gnus-get-buffer-name (variable)
"Returns the buffer name associated with the contents of a variable."
- (let ((buf (get-buffer-create (gnus-window-to-buffer-helper
- (cdr
- (assq variable gnus-window-to-buffer))))))
+ (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-kill-buffer ()
(let ((buf (get-buffer (gnus-picons-buffer-name))))
- (if (buffer-live-p buf)
- (kill-buffer buf))))
+ (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 (get-buffer name)
+ (if (and (get-buffer name)
+ (with-current-buffer name
+ gnus-picons-setup-p))
(set-buffer name)
- (set-buffer (get-buffer-create name))
+ (set-buffer (gnus-get-buffer-create name))
(buffer-disable-undo)
(setq buffer-read-only t)
- (gnus-add-current-to-buffer-list)
+ (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))))
(set-extent-property annot 'duplicable t)
annot))
-(defun gnus-picons-article-display-x-face ()
- "Display the x-face header bitmap in the 'gnus-picons-display-where buffer."
- (let ((gnus-article-x-face-command 'gnus-picons-display-x-face))
- (gnus-article-display-x-face)))
-
-(defun gnus-picons-x-face-sentinel (process event)
- (when (memq process gnus-picons-processes-alist)
- (setq gnus-picons-processes-alist
- (delq process gnus-picons-processes-alist))
- (gnus-picons-set-buffer)
- (gnus-picons-make-annotation (make-glyph gnus-picons-x-face-file-name)
- nil 'text)
- (when (file-exists-p gnus-picons-x-face-file-name)
- (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
- (save-excursion
- ;; Don't remove this binding, it is really needed: when
- ;; `gnus-picons-set-buffer' changes buffer (like when it is
- ;; set to display picons outside of the article buffer), BEG
- ;; and END still refer the buffer current now !
- (let ((buf (current-buffer)))
- (gnus-picons-set-buffer)
- (gnus-picons-make-annotation
- (vector 'xface
- :data (concat "X-Face: " (buffer-substring beg end buf)))
- nil 'text nil nil nil t)))
- ;; convert the x-face header to a .xbm file
- (let* ((process-connection-type nil)
- (process (start-process-shell-command "gnus-x-face" nil
- gnus-picons-convert-x-face)))
- (push process 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))))
-
(defun gnus-article-display-picons ()
"Display faces for an author and her domain in gnus-picons-display-where."
(interactive)
"."))))
(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
(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)))))))
(or (null gnus-picons-group-excluded-groups)
(not (string-match gnus-picons-group-excluded-groups
gnus-newsgroup-name))))
- (save-excursion
- (gnus-picons-prepare-for-annotations)
- (if (null gnus-picons-piconsearch-url)
- (gnus-picons-display-pairs
- (gnus-picons-lookup-pairs
- (reverse (message-tokenize-header
- (gnus-group-real-name gnus-newsgroup-name)
- "."))
- gnus-picons-news-directories)
- t ".")
- (push (list 'gnus-group-annotations 'search nil
- (message-tokenize-header
- (gnus-group-real-name gnus-newsgroup-name) ".")
- (if (listp gnus-picons-news-directories)
- gnus-picons-news-directories
- (list gnus-picons-news-directories))
- nil)
- gnus-picons-jobs-alist)
- (gnus-picons-next-job))
-
- (add-hook 'gnus-summary-exit-hook 'gnus-picons-remove-all))))
+ (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))
"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)
+ (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
dir)))
(setq suffixes nil
glyph (make-glyph f))
- (when (equal suf "xbm")
- (set-glyph-face glyph 'gnus-picons-xbm-face))
+ (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)
;;; 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))
(defun gnus-picons-parse-value (name)
(goto-char (point-min))
- (re-search-forward (concat "<strong>"
+ (if (re-search-forward (concat "<strong>"
(regexp-quote name)
- "</strong> *= *<kbd> *\\([^ <][^<]*\\) *</kbd>"))
- (buffer-substring (match-beginning 1) (match-end 1)))
+ "</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)
- (gnus-picons-set-buffer)
- (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)
;; 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))
- (gnus-picons-network-display-internal sym-ann glyph part right-p)
+ (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)
+(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))
- (if (and gnus-picons-display-as-address (not right-p))
- (push (list sym-ann 'bar right-p) new-jobs))
+ (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))
+ (list sym-ann 'search user addrs dbs right-p marker))
(setq gnus-picons-jobs-alist
- (nconc (if (and gnus-picons-display-as-address right-p)
- (list (list sym-ann 'bar right-p)))
+ (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)))))
;; Initiate a query on the picon database
-(defun gnus-picons-network-search (user addrs dbs sym-ann right-p)
+(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-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
(defun gnus-picons-next-job-internal ()
- (if (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)))
- (if tag
- (cond ((stringp tag);; (SYM-ANN "..." RIGHT-P)
- (gnus-picons-network-display-internal sym-ann nil tag
- (pop job)))
- ((eq 'bar tag)
- (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)))
- ((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 (setq gnus-picons-job-already-running nil)
- (error "Unknown picon job tag %s" tag)))))))
+ (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 if it is not in progress."
projects / elisp / gnus.git- / blobdiff