-;;; gnus-art.el --- article mode commands for Gnus
+;;; gnus-art.el --- article mode commands for Semi-gnus
;; Copyright (C) 1996,97,98,99 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
-;; Keywords: news
+;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Katsumi Yamaoka <yamaoka@jpl.org>
+;; Keywords: mail, news, MIME
;; This file is part of GNU Emacs.
(require 'gnus-spec)
(require 'gnus-int)
(require 'browse-url)
-(require 'mm-bodies)
-(require 'mail-parse)
-(require 'mm-decode)
-(require 'mm-view)
-(require 'wid-edit)
-(require 'mm-uu)
+(require 'alist)
+(require 'mime-view)
+
+;; Avoid byte-compile warnings.
+(eval-when-compile
+ (defvar gnus-article-decoded-p)
+ (defvar gnus-article-mime-handles)
+ (require 'mm-bodies)
+ (require 'mail-parse)
+ (require 'mm-decode)
+ (require 'mm-view)
+ (require 'wid-edit)
+ (require 'mm-uu)
+ )
(defgroup gnus-article nil
"Article display."
(cons :value ("" "") regexp (repeat string))
(sexp :value nil))))
+(defcustom gnus-article-display-method-for-mime
+ 'gnus-article-display-mime-message
+ "Function to display a MIME message.
+The function is called from the article buffer."
+ :group 'gnus-article-mime
+ :type 'function)
+
+(defcustom gnus-article-display-method-for-traditional
+ 'gnus-article-display-traditional-message
+ "*Function to display a traditional message.
+The function is called from the article buffer."
+ :group 'gnus-article-mime
+ :type 'function)
+
(defcustom gnus-page-delimiter "^\^L"
"*Regexp describing what to use as article page delimiters.
The default value is \"^\^L\", which is a form linefeed at the
(item :tag "skip" nil)
(face :value default)))))
-(defcustom gnus-article-decode-hook
- '(article-decode-charset article-decode-encoded-words)
+(defcustom gnus-article-decode-hook nil
"*Hook run to decode charsets in articles."
:group 'gnus-article-headers
:type 'hook)
(current-buffer)
(if (gnus-article-check-hidden-text 'headers arg)
;; Show boring headers as well.
- (gnus-article-show-hidden-text 'boring-headers)
+ (progn
+ (gnus-article-show-hidden-text 'boring-headers)
+ (when (eq 1 (point-min))
+ (set-window-start (get-buffer-window (current-buffer)) 1)))
;; This function might be inhibited.
(unless gnus-inhibit-hiding
(save-excursion
from reply-to
(ignore-errors
(equal
- (nth 1 (mail-extract-address-components from))
- (nth 1 (mail-extract-address-components reply-to)))))
+ (nth 1 (funcall gnus-extract-address-components from))
+ (nth 1 (funcall gnus-extract-address-components reply-to)))))
(gnus-article-hide-header "reply-to"))))
((eq elem 'date)
(let ((date (message-fetch-field "date")))
(defun article-decode-encoded-words ()
"Remove encoded-word encoding from headers."
- (let ((inhibit-point-motion-hooks t)
- (mail-parse-charset gnus-newsgroup-charset)
- buffer-read-only)
- (save-restriction
- (message-narrow-to-head)
- (funcall gnus-decode-header-function (point-min) (point-max)))))
+ (let (buffer-read-only)
+ (let ((charset (save-excursion
+ (set-buffer gnus-summary-buffer)
+ default-mime-charset)))
+ (mime-decode-header-in-buffer charset)
+ )))
(defun article-de-quoted-unreadable (&optional force)
"Translate a quoted-printable-encoded article.
(put 'gnus-article-mode 'mode-class 'special)
-(set-keymap-parent gnus-article-mode-map widget-keymap)
-
(gnus-define-keys gnus-article-mode-map
" " gnus-article-goto-next-page
"\177" gnus-article-goto-prev-page
"s" gnus-article-show-summary
"\C-c\C-m" gnus-article-mail
"?" gnus-article-describe-briefly
+ gnus-mouse-2 gnus-article-push-button
+ "\r" gnus-article-press-button
+ "\t" gnus-article-next-button
+ "\M-\t" gnus-article-prev-button
"e" gnus-article-edit
"<" beginning-of-buffer
">" end-of-buffer
"\M-^" gnus-article-read-summary-keys
"\M-g" gnus-article-read-summary-keys)
-(substitute-key-definition
- 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
+;; Define almost undefined keys to `gnus-article-read-summary-keys'.
+(mapcar
+ (lambda (key)
+ (unless (lookup-key gnus-article-mode-map key)
+ (define-key gnus-article-mode-map key
+ 'gnus-article-read-summary-keys)))
+ (delq nil
+ (append
+ (mapcar
+ (lambda (elt)
+ (let ((key (car elt)))
+ (and (> (length key) 0)
+ (not (eq 'menu-bar (aref key 0)))
+ (symbolp (lookup-key gnus-summary-mode-map key))
+ key)))
+ (accessible-keymaps gnus-summary-mode-map))
+ (let ((c 127)
+ keys)
+ (while (>= c 32)
+ (push (char-to-string c) keys)
+ (decf c))
+ keys))))
(defun gnus-article-make-menu-bar ()
(gnus-turn-off-edit-menu 'article)
["Hide signature" gnus-article-hide-signature t]
["Hide citation" gnus-article-hide-citation t]
["Treat overstrike" gnus-article-treat-overstrike t]
- ["Remove carriage return" gnus-article-remove-cr t]
- ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]))
+ ["Remove carriage return" gnus-article-remove-cr t]))
;; Note "Commands" menu is defined in gnus-sum.el for consistency
(setq mode-name "Article")
(setq major-mode 'gnus-article-mode)
(make-local-variable 'minor-mode-alist)
+ (unless (assq 'gnus-show-mime minor-mode-alist)
+ (push (list 'gnus-show-mime " MIME") minor-mode-alist))
(use-local-map gnus-article-mode-map)
(gnus-update-format-specifications nil 'article-mode)
(set (make-local-variable 'page-delimiter) gnus-page-delimiter)
(buffer-disable-undo)
(setq buffer-read-only t)
(set-syntax-table gnus-article-mode-syntax-table)
- (mm-enable-multibyte)
(gnus-run-hooks 'gnus-article-mode-hook))
(defun gnus-article-setup-buffer ()
;; Init original article buffer.
(save-excursion
(set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
- (mm-enable-multibyte)
(setq major-mode 'gnus-original-article-mode)
(make-local-variable 'gnus-original-article))
(if (get-buffer name)
(forward-line line)
(point)))))
+;;; @@ article filters
+;;;
+
+(defun gnus-article-display-mime-message ()
+ "Article display method for MIME message."
+ ;; called from `gnus-original-article-buffer'.
+ (let (charset all-headers)
+ (with-current-buffer gnus-summary-buffer
+ (setq charset default-mime-charset
+ all-headers gnus-have-all-headers))
+ (make-local-variable 'default-mime-charset)
+ (setq default-mime-charset charset)
+ (mime-display-message mime-message-structure
+ gnus-article-buffer nil gnus-article-mode-map)
+ (when all-headers
+ (gnus-article-hide-headers nil -1))
+ (make-local-variable 'default-mime-charset)
+ (setq default-mime-charset charset)
+ )
+ ;; `mime-display-message' changes current buffer to `gnus-article-buffer'.
+ (make-local-variable 'mime-button-mother-dispatcher)
+ (setq mime-button-mother-dispatcher
+ (function gnus-article-push-button))
+ (run-hooks 'gnus-mime-article-prepare-hook))
+
+(defun gnus-article-display-traditional-message ()
+ "Article display method for traditional message."
+ (set-buffer gnus-article-buffer)
+ (let (buffer-read-only)
+ (erase-buffer)
+ (insert-buffer-substring gnus-original-article-buffer)))
+
+(defun gnus-article-make-full-mail-header (&optional number charset)
+ "Create a new mail header structure in a raw article buffer."
+ (unless (and number charset)
+ (save-current-buffer
+ (set-buffer gnus-summary-buffer)
+ (unless number
+ (setq number (or (cdr gnus-article-current) 0)))
+ (unless charset
+ (setq charset (or default-mime-charset 'x-ctext)))))
+ (goto-char (point-min))
+ (let ((header-end (if (search-forward "\n\n" nil t)
+ (1- (point))
+ (goto-char (point-max))))
+ (chars (- (point-max) (point)))
+ (lines (count-lines (point) (point-max)))
+ (default-mime-charset charset)
+ xref)
+ (narrow-to-region (point-min) header-end)
+ (setq xref (std11-fetch-field "xref"))
+ (prog1
+ (make-full-mail-header
+ number
+ (std11-fetch-field "subject")
+ (std11-fetch-field "from")
+ (std11-fetch-field "date")
+ (std11-fetch-field "message-id")
+ (std11-fetch-field "references")
+ chars
+ lines
+ (when xref (concat "Xref: " xref)))
+ (widen))))
+
(defun gnus-article-prepare (article &optional all-headers header)
"Prepare ARTICLE in article mode buffer.
ARTICLE should either be an article number or a Message-ID.
result)
(save-excursion
(gnus-article-setup-buffer)
- (set-buffer gnus-article-buffer)
+ (set-buffer gnus-original-article-buffer)
;; Deactivate active regions.
(when (and (boundp 'transient-mark-mode)
transient-mark-mode)
;;;###autoload
(defun gnus-article-prepare-display ()
"Make the current buffer look like a nice article."
- ;; Hooks for getting information from the article.
- ;; This hook must be called before being narrowed.
- (let ((gnus-article-buffer (current-buffer))
- buffer-read-only)
- (unless (eq major-mode 'gnus-article-mode)
- (gnus-article-mode))
- (setq buffer-read-only nil)
+ (let ((method
+ (if gnus-show-mime
+ (progn
+ (setq mime-message-structure gnus-current-headers)
+ gnus-article-display-method-for-mime)
+ gnus-article-display-method-for-traditional)))
(gnus-run-hooks 'gnus-tmp-internal-hook)
(gnus-run-hooks 'gnus-article-prepare-hook)
- (when gnus-display-mime-function
- (funcall gnus-display-mime-function))))
+ ;; Display message.
+ (funcall method)
+ ;; Associate this article with the current summary buffer.
+ (setq gnus-article-current-summary gnus-summary-buffer)
+ ;; Perform the article display hooks.
+ (gnus-run-hooks 'gnus-article-display-hook)))
;;;
;;; Gnus MIME viewing functions
"Return a string which display status of article washing."
(save-excursion
(set-buffer gnus-article-buffer)
- (let ((cite (memq 'cite gnus-article-wash-types))
- (headers (memq 'headers gnus-article-wash-types))
- (boring (memq 'boring-headers gnus-article-wash-types))
- (pgp (memq 'pgp gnus-article-wash-types))
- (pem (memq 'pem gnus-article-wash-types))
- (signature (memq 'signature gnus-article-wash-types))
- (overstrike (memq 'overstrike gnus-article-wash-types))
- (emphasis (memq 'emphasis gnus-article-wash-types)))
- (format "%c%c%c%c%c%c"
+ (let ((cite (gnus-article-hidden-text-p 'cite))
+ (headers (gnus-article-hidden-text-p 'headers))
+ (boring (gnus-article-hidden-text-p 'boring-headers))
+ (pgp (gnus-article-hidden-text-p 'pgp))
+ (pem (gnus-article-hidden-text-p 'pem))
+ (signature (gnus-article-hidden-text-p 'signature))
+ (overstrike (gnus-article-hidden-text-p 'overstrike))
+ (emphasis (gnus-article-hidden-text-p 'emphasis))
+ (mime gnus-show-mime))
+ (format "%c%c%c%c%c%c%c"
(if cite ?c ? )
(if (or headers boring) ?h ? )
(if (or pgp pem) ?p ? )
(if signature ?s ? )
(if overstrike ?o ? )
+ (if mime ?m ? )
(if emphasis ?e ? )))))
(fset 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
(defun gnus-article-check-buffer ()
"Beep if not in an article buffer."
- (unless (equal major-mode 'gnus-article-mode)
+ (unless (eq (get-buffer gnus-article-buffer) (current-buffer))
(error "Command invoked outside of a Gnus article buffer")))
(defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
(assq article gnus-newsgroup-reads)))
gnus-canceled-mark))
nil)
- ;; We first check `gnus-original-article-buffer'.
- ((and (get-buffer gnus-original-article-buffer)
- (numberp article)
- (save-excursion
- (set-buffer gnus-original-article-buffer)
- (and (equal (car gnus-original-article) group)
- (eq (cdr gnus-original-article) article))))
- (insert-buffer-substring gnus-original-article-buffer)
- 'article)
;; Check the backlog.
((and gnus-keep-backlog
(gnus-backlog-request-article group article (current-buffer)))
:group 'gnus-article-various
:type 'hook)
+(defcustom gnus-article-edit-article-setup-function
+ 'gnus-article-mime-edit-article-setup
+ "Function called to setup an editing article buffer."
+ :group 'gnus-article-various
+ :type 'function)
+
(defvar gnus-article-edit-done-function nil)
(defvar gnus-article-edit-mode-map nil)
(gnus-configure-windows 'edit-article)
(setq gnus-article-edit-done-function exit-func)
(setq gnus-prev-winconf winconf)
+ (when gnus-article-edit-article-setup-function
+ (funcall gnus-article-edit-article-setup-function))
(gnus-message 6 "C-c C-c to end edits")))
(defun gnus-article-edit-done (&optional arg)
(let ((func gnus-article-edit-done-function)
(buf (current-buffer))
(start (window-start)))
+ (remove-hook 'gnus-article-mode-hook
+ 'gnus-article-mime-edit-article-unwind)
(gnus-article-edit-exit)
(save-excursion
(set-buffer buf)
(query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
;;;
+;;; Article editing with MIME-Edit
+;;;
+
+(defcustom gnus-article-mime-edit-article-setup-hook nil
+ "Hook run after setting up a MIME editing article buffer."
+ :group 'gnus-article-various
+ :type 'hook)
+
+(defun gnus-article-mime-edit-article-unwind ()
+ "Unwind `gnus-article-buffer' if article editing was given up."
+ (remove-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
+ (when mime-edit-mode-flag
+ (mime-edit-exit 'nomime 'no-error)
+ (message ""))
+ (when (featurep 'font-lock)
+ (setq font-lock-defaults nil)
+ (font-lock-mode 0)))
+
+(defun gnus-article-mime-edit-article-setup ()
+ "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode
+after replacing with the original article."
+ (setq gnus-show-mime t)
+ (setq gnus-article-edit-done-function
+ `(lambda (&rest args)
+ (when mime-edit-mode-flag
+ (mime-edit-exit)
+ (message ""))
+ (goto-char (point-min))
+ (let (case-fold-search)
+ (when (re-search-forward
+ (format "^%s$" (regexp-quote mail-header-separator))
+ nil t)
+ (replace-match "")))
+ (when (featurep 'font-lock)
+ (setq font-lock-defaults nil)
+ (font-lock-mode 0))
+ (apply ,gnus-article-edit-done-function args)
+ (set-buffer gnus-original-article-buffer)
+ (erase-buffer)
+ (insert-buffer gnus-article-buffer)
+ (setq gnus-current-headers (gnus-article-make-full-mail-header))
+ (gnus-article-prepare-display)))
+ (substitute-key-definition
+ 'gnus-article-edit-exit 'gnus-article-mime-edit-exit
+ gnus-article-edit-mode-map)
+ (erase-buffer)
+ (insert-buffer gnus-original-article-buffer)
+ (mime-edit-again)
+ (when (featurep 'font-lock)
+ (set (make-local-variable 'font-lock-defaults)
+ '(message-font-lock-keywords t))
+ (font-lock-set-defaults)
+ (turn-on-font-lock))
+ (add-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
+ (gnus-run-hooks 'gnus-article-mime-edit-article-setup-hook))
+
+(defun gnus-article-mime-edit-exit ()
+ "Exit the article MIME editing without updating."
+ (interactive)
+ (let ((winconf gnus-prev-winconf)
+ buf)
+ (when mime-edit-mode-flag
+ (mime-edit-exit)
+ (message ""))
+ (goto-char (point-min))
+ (let (case-fold-search)
+ (when (re-search-forward
+ (format "^%s$" (regexp-quote mail-header-separator)) nil t)
+ (replace-match "")))
+ (when (featurep 'font-lock)
+ (setq font-lock-defaults nil)
+ (font-lock-mode 0))
+ ;; We remove all text props from the article buffer.
+ (setq buf (format "%s" (buffer-string)))
+ (set-buffer (get-buffer-create gnus-original-article-buffer))
+ (erase-buffer)
+ (insert buf)
+ (setq gnus-current-headers (gnus-article-make-full-mail-header))
+ (gnus-article-prepare-display)
+ (set-window-configuration winconf)))
+
+;;;
;;; Article highlights
;;;
(when fun
(funcall fun data))))
+(defun gnus-article-prev-button (n)
+ "Move point to N buttons backward.
+If N is negative, move forward instead."
+ (interactive "p")
+ (gnus-article-next-button (- n)))
+
+(defun gnus-article-next-button (n)
+ "Move point to N buttons forward.
+If N is negative, move backward instead."
+ (interactive "p")
+ (let ((function (if (< n 0) 'previous-single-property-change
+ 'next-single-property-change))
+ (inhibit-point-motion-hooks t)
+ (backward (< n 0))
+ (limit (if (< n 0) (point-min) (point-max))))
+ (setq n (abs n))
+ (while (and (not (= limit (point)))
+ (> n 0))
+ ;; Skip past the current button.
+ (when (get-text-property (point) 'gnus-callback)
+ (goto-char (funcall function (point) 'gnus-callback nil limit)))
+ ;; Go to the next (or previous) button.
+ (gnus-goto-char (funcall function (point) 'gnus-callback nil limit))
+ ;; Put point at the start of the button.
+ (when (and backward (not (get-text-property (point) 'gnus-callback)))
+ (goto-char (funcall function (point) 'gnus-callback nil limit)))
+ ;; Skip past intangible buttons.
+ (when (get-text-property (point) 'intangible)
+ (incf n))
+ (decf n))
+ (unless (zerop n)
+ (gnus-message 5 "No more buttons"))
+ n))
+
(defun gnus-article-highlight (&optional force)
"Highlight current article.
This function calls `gnus-article-highlight-headers',
(nconc (and gnus-article-mouse-face
(list gnus-mouse-face-prop gnus-article-mouse-face))
(list 'gnus-callback fun)
- (and data (list 'gnus-data data))))
- (widget-convert-button 'link from to :action 'gnus-widget-press-button
- :button-keymap gnus-widget-button-keymap))
+ (and data (list 'gnus-data data)))))
;;; Internal functions:
(setq to (gnus-url-unhex-string url)))
(setq args (cons (list "to" to) args)
subject (cdr-safe (assoc "subject" args)))
- (message-mail)
- (while args
- (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
- (if (fboundp func)
- (funcall func)
- (message-position-on-field (caar args)))
- (insert (mapconcat 'identity (cdar args) ", "))
- (setq args (cdr args)))
- (if subject
- (message-goto-body)
- (message-goto-subject))))
+ (gnus-setup-message 'reply
+ (message-mail)
+ (while args
+ (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
+ (if (fboundp func)
+ (funcall func)
+ (message-position-on-field (caar args)))
+ (insert (mapconcat 'identity (cdar args) ", "))
+ (setq args (cdr args)))
+ (if subject
+ (message-goto-body)
+ (message-goto-subject)))))
(defun gnus-button-mailto (address)
;; Mail to ADDRESS.
(set-buffer (gnus-copy-article-buffer))
- (message-reply address))
+ (gnus-setup-message 'reply
+ (message-reply address)))
(defun gnus-button-reply (address)
;; Reply to ADDRESS.
- (message-reply address))
+ (gnus-setup-message 'reply
+ (message-reply address)))
(defun gnus-button-url (address)
"Browse ADDRESS."
(t
(error "%S is not a valid value" val))))
+
+;;; @ for mime-view
+;;;
+
+(defun gnus-article-header-presentation-method (entity situation)
+ (mime-insert-header entity)
+ )
+
+(set-alist 'mime-header-presentation-method-alist
+ 'gnus-original-article-mode
+ #'gnus-article-header-presentation-method)
+
+(defun gnus-mime-preview-quitting-method ()
+ (mime-preview-kill-buffer)
+ (delete-other-windows)
+ (gnus-article-show-summary)
+ (gnus-summary-select-article gnus-show-all-headers t))
+
+(set-alist 'mime-preview-quitting-method-alist
+ 'gnus-original-article-mode #'gnus-mime-preview-quitting-method)
+
+(defun gnus-following-method (buf)
+ (set-buffer buf)
+ (message-followup)
+ (message-yank-original)
+ (kill-buffer buf)
+ (goto-char (point-min))
+ )
+
+(set-alist 'mime-preview-following-method-alist
+ 'gnus-original-article-mode #'gnus-following-method)
+
+(set-alist 'mime-preview-over-to-previous-method-alist
+ 'gnus-original-article-mode
+ (lambda ()
+ (gnus-article-read-summary-keys
+ nil (gnus-character-to-event ?P))))
+
+(set-alist 'mime-preview-over-to-next-method-alist
+ 'gnus-original-article-mode'
+ (lambda ()
+ (gnus-article-read-summary-keys
+ nil (gnus-character-to-event ?N))))
+
+
+;;; @ end
+;;;
+
(gnus-ems-redefine)
(provide 'gnus-art)