;;; gnus-art.el --- article mode commands for Gnus
-;; Copyright (C) 1996 Free Software Foundation, Inc.
+;; Copyright (C) 1996,97 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
;; Keywords: news
;;; Code:
-(require 'gnus-load)
+(require 'custom)
+(require 'gnus)
(require 'gnus-sum)
-(require 'article)
(require 'gnus-spec)
(require 'gnus-int)
+(require 'browse-url)
+
+(defgroup article nil
+ "Article display."
+ :group 'gnus)
+
+(defcustom gnus-ignored-headers
+ '("^Path:" "^Posting-Version:" "^Article-I.D.:" "^Expires:"
+ "^Date-Received:" "^References:" "^Control:" "^Xref:" "^Lines:"
+ "^Posted:" "^Relay-Version:" "^Message-ID:" "^Nf-ID:" "^Nf-From:"
+ "^Approved:" "^Sender:" "^Received:" "^Mail-from:")
+ "All headers that match this regexp will be hidden.
+This variable can also be a list of regexps of headers to be ignored.
+If `gnus-visible-headers' is non-nil, this variable will be ignored."
+ :type '(choice :custom-show nil
+ regexp
+ (repeat regexp))
+ :group 'article)
+
+(defcustom gnus-visible-headers
+ "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-"
+ "All headers that do not match this regexp will be hidden.
+This variable can also be a list of regexp of headers to remain visible.
+If this variable is non-nil, `gnus-ignored-headers' will be ignored."
+ :type '(repeat :value-to-internal (lambda (widget value)
+ (custom-split-regexp-maybe value))
+ :match (lambda (widget value)
+ (or (stringp value)
+ (widget-editable-list-match widget value)))
+ regexp)
+ :group 'article)
+
+(defcustom gnus-sorted-header-list
+ '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:" "^To:"
+ "^Cc:" "^Date:" "^Organization:")
+ "This variable is a list of regular expressions.
+If it is non-nil, headers that match the regular expressions will
+be placed first in the article buffer in the sequence specified by
+this list."
+ :type '(repeat regexp)
+ :group 'article)
+
+(defcustom gnus-boring-article-headers '(empty followup-to reply-to)
+ "Headers that are only to be displayed if they have interesting data.
+Possible values in this list are `empty', `newsgroups', `followup-to',
+`reply-to', and `date'."
+ :type '(set (const :tag "Headers with no content." empty)
+ (const :tag "Newsgroups with only one group." newsgroups)
+ (const :tag "Followup-to identical to newsgroups." followup-to)
+ (const :tag "Reply-to identical to from." reply-to)
+ (const :tag "Date less than four days old." date))
+ :group 'article)
+
+(defcustom gnus-signature-separator '("^-- $" "^-- *$")
+ "Regexp matching signature separator.
+This can also be a list of regexps. In that case, it will be checked
+from head to tail looking for a separator. Searches will be done from
+the end of the buffer."
+ :type '(repeat string)
+ :group 'article)
+
+(defcustom gnus-signature-limit nil
+ "Provide a limit to what is considered a signature.
+If it is a number, no signature may not be longer (in characters) than
+that number. If it is a floating point number, no signature may be
+longer (in lines) than that number. If it is a function, the function
+will be called without any parameters, and if it returns nil, there is
+no signature in the buffer. If it is a string, it will be used as a
+regexp. If it matches, the text in question is not a signature."
+ :type '(choice integer number function regexp)
+ :group 'article)
+
+(defcustom gnus-hidden-properties '(invisible t intangible t)
+ "Property list to use for hiding text."
+ :type 'sexp
+ :group 'article)
+
+(defcustom gnus-article-x-face-command
+ "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | xv -quit -"
+ "String or function to be executed to display an X-Face header.
+If it is a string, the command will be executed in a sub-shell
+asynchronously. The compressed face will be piped to this command."
+ :type 'string ;Leave function case to Lisp.
+ :group 'article)
+
+(defcustom gnus-article-x-face-too-ugly nil
+ "Regexp matching posters whose face shouldn't be shown automatically."
+ :type 'regexp
+ :group 'article)
+
+(defcustom gnus-emphasis-alist
+ (let ((format
+ "\\(\\s-\\|^\\|[-\"\(]\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*\\)%s\\)\\(\\s-\\|[-?!.,;:\"\)]\\)")
+ (types
+ '(("_" "_" underline)
+ ("/" "/" italic)
+ ("\\*" "\\*" bold)
+ ("_/" "/_" underline-italic)
+ ("_\\*" "\\*_" underline-bold)
+ ("\\*/" "/\\*" bold-italic)
+ ("_\\*/" "/\\*_" underline-bold-italic))))
+ `(("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
+ 2 3 gnus-emphasis-underline)
+ ,@(mapcar
+ (lambda (spec)
+ (list
+ (format format (car spec) (cadr spec))
+ 2 3 (intern (format "gnus-emphasis-%s" (caddr spec)))))
+ types)))
+ "Alist that says how to fontify certain phrases.
+Each item looks like this:
+
+ (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
+
+The first element is a regular expression to be matched. The second
+is a number that says what regular expression grouping used to find
+the entire emphasized word. The third is a number that says what
+regexp grouping should be displayed and highlighted. The fourth
+is the face used for highlighting."
+ :type '(repeat (list :value ("" 0 0 default)
+ regexp
+ (integer :tag "Match group")
+ (integer :tag "Emphasize group")
+ face))
+ :group 'article)
+
+(defface gnus-emphasis-bold '((t (:bold t)))
+ "Face used for displaying strong emphasized text (*word*)."
+ :group 'article)
+
+(defface gnus-emphasis-italic '((t (:italic t)))
+ "Face used for displaying italic emphasized text (/word/)."
+ :group 'article)
+
+(defface gnus-emphasis-underline '((t (:underline t)))
+ "Face used for displaying underlined emphasized text (_word_)."
+ :group 'article)
+
+(defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
+ "Face used for displaying underlined bold emphasized text (_*word*_)."
+ :group 'article)
+
+(defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
+ "Face used for displaying underlined italic emphasized text (_*word*_)."
+ :group 'article)
+
+(defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
+ "Face used for displaying bold italic emphasized text (/*word*/)."
+ :group 'article)
+
+(defface gnus-emphasis-underline-bold-italic
+ '((t (:bold t :italic t :underline t)))
+ "Face used for displaying underlined bold italic emphasized text (_/*word*/_)."
+ :group 'article)
-(defvar gnus-article-save-directory gnus-directory
- "*Name of the directory articles will be saved in (default \"~/News\").")
+(eval-and-compile
+ (autoload 'hexl-hex-string-to-integer "hexl")
+ (autoload 'timezone-make-date-arpa-standard "timezone")
+ (autoload 'mail-extract-address-components "mail-extr"))
+
+(defcustom gnus-article-save-directory gnus-directory
+ "*Name of the directory articles will be saved in (default \"~/News\")."
+ :group 'article
+ :type 'directory)
-(defvar gnus-save-all-headers t
- "*If non-nil, don't remove any headers before saving.")
+(defcustom gnus-save-all-headers t
+ "*If non-nil, don't remove any headers before saving."
+ :group 'article
+ :type 'boolean)
-(defvar gnus-prompt-before-saving 'always
+(defcustom gnus-prompt-before-saving 'always
"*This variable says how much prompting is to be done when saving articles.
If it is nil, no prompting will be done, and the articles will be
saved to the default files. If this variable is `always', each and
every article that is saved will be preceded by a prompt, even when
saving large batches of articles. If this variable is neither nil not
`always', there the user will be prompted once for a file name for
-each invocation of the saving commands.")
-
-(defvar gnus-saved-headers gnus-visible-headers
- "*Headers to keep if `gnus-save-all-headers' is nil.
+each invocation of the saving commands."
+ :group 'article
+ :type '(choice (item always)
+ (item :tag "never" nil)
+ (sexp :tag "once" :format "%t")))
+
+(defcustom gnus-saved-headers gnus-visible-headers
+ "Headers to keep if `gnus-save-all-headers' is nil.
If `gnus-save-all-headers' is non-nil, this variable will be ignored.
If that variable is nil, however, all headers that match this regexp
-will be kept while the rest will be deleted before saving.")
+will be kept while the rest will be deleted before saving."
+ :group 'article
+ :type '(repeat string))
-(defvar gnus-default-article-saver 'gnus-summary-save-in-rmail
- "*A function to save articles in your favorite format.
+(defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
+ "A function to save articles in your favourite format.
The function must be interactively callable (in other words, it must
be an Emacs command).
* gnus-summary-save-in-rmail (Rmail format)
* gnus-summary-save-in-mail (Unix mail format)
* gnus-summary-save-in-folder (MH folder)
-* gnus-summary-save-in-file (article format).
-* gnus-summary-save-in-vm (use VM's folder format).")
-
-(defvar gnus-rmail-save-name (function gnus-plain-save-name)
- "*A function generating a file name to save articles in Rmail format.
-The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE.")
-
-(defvar gnus-mail-save-name (function gnus-plain-save-name)
- "*A function generating a file name to save articles in Unix mail format.
-The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE.")
-
-(defvar gnus-folder-save-name (function gnus-folder-save-name)
- "*A function generating a file name to save articles in MH folder.
-The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER.")
-
-(defvar gnus-file-save-name (function gnus-numeric-save-name)
- "*A function generating a file name to save articles in article format.
+* gnus-summary-save-in-file (article format)
+* gnus-summary-save-in-vm (use VM's folder format)
+* gnus-summary-write-to-file (article format -- overwrite)."
+ :group 'article
+ :type '(radio (function-item gnus-summary-save-in-rmail)
+ (function-item gnus-summary-save-in-mail)
+ (function-item gnus-summary-save-in-folder)
+ (function-item gnus-summary-save-in-file)
+ (function-item gnus-summary-save-in-vm)
+ (function-item gnus-summary-write-to-file)))
+
+(defcustom gnus-rmail-save-name 'gnus-plain-save-name
+ "A function generating a file name to save articles in Rmail format.
+The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
+ :group 'article
+ :type 'function)
+
+(defcustom gnus-mail-save-name 'gnus-plain-save-name
+ "A function generating a file name to save articles in Unix mail format.
+The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
+ :group 'article
+ :type 'function)
+
+(defcustom gnus-folder-save-name 'gnus-folder-save-name
+ "A function generating a file name to save articles in MH folder.
+The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
+ :group 'article
+ :type 'function)
+
+(defcustom gnus-file-save-name 'gnus-numeric-save-name
+ "A function generating a file name to save articles in article format.
The function is called with NEWSGROUP, HEADERS, and optional
-LAST-FILE.")
+LAST-FILE."
+ :group 'article
+ :type 'function)
-(defvar gnus-split-methods
+(defcustom gnus-split-methods
'((gnus-article-archive-name))
- "*Variable used to suggest where articles are to be saved.
+ "Variable used to suggest where articles are to be saved.
For instance, if you would like to save articles related to Gnus in
the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
you could set this variable to something like:
If this form or function returns a string, this string will be used as
a possible file name; and if it returns a non-nil list, that list will
-be used as possible file names.")
-
-(defvar gnus-strict-mime t
- "*If nil, MIME-decode even if there is no Mime-Version header in the article.")
-
-(defvar gnus-show-mime-method 'metamail-buffer
- "*Function to process a MIME message.
-The function is called from the article buffer.")
-
-(defvar gnus-decode-encoded-word-method (lambda ())
- "*Function to decode a MIME encoded-words.
-The function is called from the article buffer.")
-
-(defvar gnus-page-delimiter "^\^L"
+be used as possible file names."
+ :group 'article
+ :type '(repeat (choice (list function)
+ (cons regexp (repeat string))
+ sexp)))
+
+(defcustom gnus-strict-mime t
+ "*If nil, MIME-decode even if there is no Mime-Version header."
+ :group 'article
+ :type 'boolean)
+
+(defcustom gnus-show-mime-method 'metamail-buffer
+ "Function to process a MIME message.
+The function is called from the article buffer."
+ :group 'article
+ :type 'function)
+
+(defcustom gnus-decode-encoded-word-method 'gnus-article-de-quoted-unreadable
+ "*Function to decode MIME encoded words.
+The function is called from the article buffer."
+ :group 'article
+ :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
-beginning of a line.")
+beginning of a line."
+ :type 'regexp
+ :group 'article)
-(defvar gnus-article-mode-line-format "Gnus: %%b %S"
+(defcustom gnus-article-mode-line-format "Gnus: %%b %S"
"*The format specification for the article mode line.
-See `gnus-summary-mode-line-format' for a closer description.")
+See `gnus-summary-mode-line-format' for a closer description."
+ :type 'string
+ :group 'article)
+
+(defcustom gnus-article-mode-hook nil
+ "*A hook for Gnus article mode."
+ :type 'hook
+ :group 'article)
-(defvar gnus-article-mode-hook nil
- "*A hook for Gnus article mode.")
+(defcustom gnus-article-menu-hook nil
+ "*Hook run after the creation of the article mode menu."
+ :type 'hook
+ :group 'article)
-(defvar gnus-article-prepare-hook nil
+(defcustom gnus-article-prepare-hook nil
"*A hook called after an article has been prepared in the article buffer.
-If you want to run a special decoding program like nkf, use this hook.")
-
-;(defvar gnus-article-display-hook nil
-; "*A hook called after the article is displayed in the article buffer.
-;The hook is designed to change the contents of the article
-;buffer. Typical functions that this hook may contain are
-;`gnus-article-hide-headers' (hide selected headers),
-;`gnus-article-maybe-highlight' (perform fancy article highlighting),
-;`gnus-article-hide-signature' (hide signature) and
-;`gnus-article-treat-overstrike' (turn \"^H_\" into bold characters).")
-;(add-hook 'gnus-article-display-hook 'gnus-article-hide-headers-if-wanted)
-;(add-hook 'gnus-article-display-hook 'gnus-article-treat-overstrike)
-;(add-hook 'gnus-article-display-hook 'gnus-article-maybe-highlight)
+If you want to run a special decoding program like nkf, use this hook."
+ :type 'hook
+ :group 'article)
+
+(defcustom gnus-article-button-face 'bold
+ "Face used for highlighting buttons in the article buffer.
+
+An article button is a piece of text that you can activate by pressing
+`RET' or `mouse-2' above it."
+ :type 'face
+ :group 'article)
+
+(defcustom gnus-article-mouse-face 'highlight
+ "Face used for mouse highlighting in the article buffer.
+
+Article buttons will be displayed in this face when the cursor is
+above them."
+ :type 'face
+ :group 'article)
+
+(defcustom gnus-signature-face 'italic
+ "Face used for highlighting a signature in the article buffer."
+ :type 'face
+ :group 'article)
+
+(defface gnus-header-from-face
+ '((((class color)
+ (background dark))
+ (:foreground "light blue" :bold t :italic t))
+ (((class color)
+ (background light))
+ (:foreground "MidnightBlue" :bold t :italic t))
+ (t
+ (:bold t :italic t)))
+ "Face used for displaying from headers."
+ :group 'article)
+
+(defface gnus-header-subject-face
+ '((((class color)
+ (background dark))
+ (:foreground "pink" :bold t :italic t))
+ (((class color)
+ (background light))
+ (:foreground "firebrick" :bold t :italic t))
+ (t
+ (:bold t :italic t)))
+ "Face used for displaying subject headers."
+ :group 'article)
+
+(defface gnus-header-newsgroups-face
+ '((((class color)
+ (background dark))
+ (:foreground "yellow" :bold t :italic t))
+ (((class color)
+ (background light))
+ (:foreground "indianred" :bold t :italic t))
+ (t
+ (:bold t :italic t)))
+ "Face used for displaying newsgroups headers."
+ :group 'article)
+
+(defface gnus-header-name-face
+ '((((class color)
+ (background dark))
+ (:foreground "cyan" :bold t))
+ (((class color)
+ (background light))
+ (:foreground "DarkGreen" :bold t))
+ (t
+ (:bold t)))
+ "Face used for displaying header names."
+ :group 'article)
+
+(defface gnus-header-content-face
+ '((((class color)
+ (background dark))
+ (:foreground "forest green" :italic t))
+ (((class color)
+ (background light))
+ (:foreground "DarkGreen" :italic t))
+ (t
+ (:italic t))) "Face used for displaying header content."
+ :group 'article)
+
+(defcustom gnus-header-face-alist
+ '(("From" nil gnus-header-from-face)
+ ("Subject" nil gnus-header-subject-face)
+ ("Newsgroups:.*," nil gnus-header-newsgroups-face)
+ ("" gnus-header-name-face gnus-header-content-face))
+ "Controls highlighting of article header.
+
+An alist of the form (HEADER NAME CONTENT).
+
+HEADER is a regular expression which should match the name of an
+header header and NAME and CONTENT are either face names or nil.
+
+The name of each header field will be displayed using the face
+specified by the first element in the list where HEADER match the
+header name and NAME is non-nil. Similarly, the content will be
+displayed by the first non-nil matching CONTENT face."
+ :group 'article
+ :type '(repeat (list (regexp :tag "Header")
+ (choice :tag "Name"
+ (item :tag "skip" nil)
+ (face :value default))
+ (choice :tag "Content"
+ (item :tag "skip" nil)
+ (face :value default)))))
;;; Internal variables
+(defvar gnus-article-mode-syntax-table
+ (let ((table (copy-syntax-table text-mode-syntax-table)))
+ ;;(modify-syntax-entry ?_ "w" table)
+ table)
+ "Syntax table used in article mode buffers.
+Initialized from `text-mode-syntax-table.")
+
+(defvar gnus-save-article-buffer nil)
+
(defvar gnus-article-mode-line-format-alist
(nconc '((?w (gnus-article-wash-status) ?s))
gnus-summary-mode-line-format-alist))
-;;; Provide a mapping from `gnus-*' commands to Article commands.
+(defvar gnus-number-of-articles-to-be-saved nil)
+
+(defvar gnus-inhibit-hiding nil)
+(defvar gnus-newsgroup-name)
+
+(defsubst gnus-article-hide-text (b e props)
+ "Set text PROPS on the B to E region, extending `intangible' 1 past B."
+ (add-text-properties b e props)
+ (when (memq 'intangible props)
+ (put-text-property
+ (max (1- b) (point-min))
+ b 'intangible (cddr (memq 'intangible props)))))
+
+(defsubst gnus-article-unhide-text (b e)
+ "Remove hidden text properties from region between B and E."
+ (remove-text-properties b e gnus-hidden-properties)
+ (when (memq 'intangible gnus-hidden-properties)
+ (put-text-property (max (1- b) (point-min))
+ b 'intangible nil)))
+
+(defun gnus-article-hide-text-type (b e type)
+ "Hide text of TYPE between B and E."
+ (gnus-article-hide-text
+ b e (cons 'article-type (cons type gnus-hidden-properties))))
+
+(defun gnus-article-unhide-text-type (b e type)
+ "Hide text of TYPE between B and E."
+ (remove-text-properties
+ b e (cons 'article-type (cons type gnus-hidden-properties)))
+ (when (memq 'intangible gnus-hidden-properties)
+ (put-text-property (max (1- b) (point-min))
+ b 'intangible nil)))
+
+(defun gnus-article-hide-text-of-type (type)
+ "Hide text of TYPE in the current buffer."
+ (save-excursion
+ (let ((b (point-min))
+ (e (point-max)))
+ (while (setq b (text-property-any b e 'article-type type))
+ (add-text-properties b (incf b) gnus-hidden-properties)))))
-(eval-and-compile
- (mapcar
- (lambda (func)
- (let (afunc gfunc)
- (if (consp func)
- (setq afunc (car func)
- gfunc (cdr func))
- (setq afunc func
- gfunc (intern (format "gnus-%s" func))))
- (fset gfunc
- `(lambda (&optional interactive &rest args)
- ,(documentation afunc t)
- (interactive (list t))
- (save-excursion
- (set-buffer gnus-article-buffer)
- (if interactive
- (call-interactively ',afunc)
- (apply ',afunc args)))))))
- '(article-hide-headers
- article-hide-boring-headers
- article-treat-overstrike
- (article-fill . gnus-article-word-wrap)
- article-remove-cr
- article-remove-trailing-blank-lines
- article-display-x-face
- article-de-quoted-unreadable
- article-mime-decode-quoted-printable
- article-hide-pgp
- article-hide-pem
- article-hide-signature
- article-strip-leading-blank-lines
- article-date-local
- article-date-original
- article-date-lapsed
- article-emphasize
- (article-show-all . gnus-article-show-all-headers))))
+(defun gnus-article-delete-text-of-type (type)
+ "Delete text of TYPE in the current buffer."
+ (save-excursion
+ (let ((b (point-min)))
+ (while (setq b (text-property-any b (point-max) 'article-type type))
+ (delete-region b (incf b))))))
+
+(defun gnus-article-delete-invisible-text ()
+ "Delete all invisible text in the current buffer."
+ (save-excursion
+ (let ((b (point-min)))
+ (while (setq b (text-property-any b (point-max) 'invisible t))
+ (delete-region b (incf b))))))
+
+(defun gnus-article-text-type-exists-p (type)
+ "Say whether any text of type TYPE exists in the buffer."
+ (text-property-any (point-min) (point-max) 'article-type type))
+
+(defsubst gnus-article-header-rank ()
+ "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
+ (let ((list gnus-sorted-header-list)
+ (i 0))
+ (while list
+ (when (looking-at (car list))
+ (setq list nil))
+ (setq list (cdr list))
+ (incf i))
+ i))
+
+(defun article-hide-headers (&optional arg delete)
+ "Toggle whether to hide unwanted headers and possibly sort them as well.
+If given a negative prefix, always show; if given a positive prefix,
+always hide."
+ (interactive (gnus-article-hidden-arg))
+ (if (gnus-article-check-hidden-text 'headers arg)
+ ;; Show boring headers as well.
+ (gnus-article-show-hidden-text 'boring-headers)
+ ;; This function might be inhibited.
+ (unless gnus-inhibit-hiding
+ (save-excursion
+ (save-restriction
+ (let ((buffer-read-only nil)
+ (props (nconc (list 'article-type 'headers)
+ gnus-hidden-properties))
+ (max (1+ (length gnus-sorted-header-list)))
+ (ignored (when (not gnus-visible-headers)
+ (cond ((stringp gnus-ignored-headers)
+ gnus-ignored-headers)
+ ((listp gnus-ignored-headers)
+ (mapconcat 'identity gnus-ignored-headers
+ "\\|")))))
+ (visible
+ (cond ((stringp gnus-visible-headers)
+ gnus-visible-headers)
+ ((and gnus-visible-headers
+ (listp gnus-visible-headers))
+ (mapconcat 'identity gnus-visible-headers "\\|"))))
+ (inhibit-point-motion-hooks t)
+ want-list beg)
+ ;; First we narrow to just the headers.
+ (widen)
+ (goto-char (point-min))
+ ;; Hide any "From " lines at the beginning of (mail) articles.
+ (while (looking-at "From ")
+ (forward-line 1))
+ (unless (bobp)
+ (if delete
+ (delete-region (point-min) (point))
+ (gnus-article-hide-text (point-min) (point) props)))
+ ;; Then treat the rest of the header lines.
+ (narrow-to-region
+ (point)
+ (if (search-forward "\n\n" nil t) ; if there's a body
+ (progn (forward-line -1) (point))
+ (point-max)))
+ ;; Then we use the two regular expressions
+ ;; `gnus-ignored-headers' and `gnus-visible-headers' to
+ ;; select which header lines is to remain visible in the
+ ;; article buffer.
+ (goto-char (point-min))
+ (while (re-search-forward "^[^ \t]*:" nil t)
+ (beginning-of-line)
+ ;; Mark the rank of the header.
+ (put-text-property
+ (point) (1+ (point)) 'message-rank
+ (if (or (and visible (looking-at visible))
+ (and ignored
+ (not (looking-at ignored))))
+ (gnus-article-header-rank)
+ (+ 2 max)))
+ (forward-line 1))
+ (message-sort-headers-1)
+ (when (setq beg (text-property-any
+ (point-min) (point-max) 'message-rank (+ 2 max)))
+ ;; We make the unwanted headers invisible.
+ (if delete
+ (delete-region beg (point-max))
+ ;; Suggested by Sudish Joseph <joseph@cis.ohio-state.edu>.
+ (gnus-article-hide-text-type beg (point-max) 'headers))
+ ;; Work around XEmacs lossage.
+ (put-text-property (point-min) beg 'invisible nil))))))))
+
+(defun article-hide-boring-headers (&optional arg)
+ "Toggle hiding of headers that aren't very interesting.
+If given a negative prefix, always show; if given a positive prefix,
+always hide."
+ (interactive (gnus-article-hidden-arg))
+ (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
+ (not gnus-show-all-headers))
+ (save-excursion
+ (save-restriction
+ (let ((buffer-read-only nil)
+ (list gnus-boring-article-headers)
+ (inhibit-point-motion-hooks t)
+ elem)
+ (nnheader-narrow-to-headers)
+ (while list
+ (setq elem (pop list))
+ (goto-char (point-min))
+ (cond
+ ;; Hide empty headers.
+ ((eq elem 'empty)
+ (while (re-search-forward "^[^:]+:[ \t]*\n[^ \t]" nil t)
+ (forward-line -1)
+ (gnus-article-hide-text-type
+ (progn (beginning-of-line) (point))
+ (progn
+ (end-of-line)
+ (if (re-search-forward "^[^ \t]" nil t)
+ (match-beginning 0)
+ (point-max)))
+ 'boring-headers)))
+ ;; Hide boring Newsgroups header.
+ ((eq elem 'newsgroups)
+ (when (equal (gnus-fetch-field "newsgroups")
+ (gnus-group-real-name
+ (if (boundp 'gnus-newsgroup-name)
+ gnus-newsgroup-name
+ "")))
+ (gnus-article-hide-header "newsgroups")))
+ ((eq elem 'followup-to)
+ (when (equal (message-fetch-field "followup-to")
+ (message-fetch-field "newsgroups"))
+ (gnus-article-hide-header "followup-to")))
+ ((eq elem 'reply-to)
+ (let ((from (message-fetch-field "from"))
+ (reply-to (message-fetch-field "reply-to")))
+ (when (and
+ from reply-to
+ (equal
+ (nth 1 (mail-extract-address-components from))
+ (nth 1 (mail-extract-address-components reply-to))))
+ (gnus-article-hide-header "reply-to"))))
+ ((eq elem 'date)
+ (let ((date (message-fetch-field "date")))
+ (when (and date
+ (< (gnus-days-between (current-time-string) date)
+ 4))
+ (gnus-article-hide-header "date")))))))))))
+
+(defun gnus-article-hide-header (header)
+ (save-excursion
+ (goto-char (point-min))
+ (when (re-search-forward (concat "^" header ":") nil t)
+ (gnus-article-hide-text-type
+ (progn (beginning-of-line) (point))
+ (progn
+ (end-of-line)
+ (if (re-search-forward "^[^ \t]" nil t)
+ (match-beginning 0)
+ (point-max)))
+ 'boring-headers))))
+
+;; Written by Per Abrahamsen <amanda@iesd.auc.dk>.
+(defun article-treat-overstrike ()
+ "Translate overstrikes into bold text."
+ (interactive)
+ (save-excursion
+ (let ((buffer-read-only nil))
+ (while (search-forward "\b" nil t)
+ (let ((next (following-char))
+ (previous (char-after (- (point) 2))))
+ ;; We do the boldification/underlining by hiding the
+ ;; overstrikes and putting the proper text property
+ ;; on the letters.
+ (cond
+ ((eq next previous)
+ (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
+ (put-text-property (point) (1+ (point)) 'face 'bold))
+ ((eq next ?_)
+ (gnus-article-hide-text-type (1- (point)) (1+ (point)) 'overstrike)
+ (put-text-property
+ (- (point) 2) (1- (point)) 'face 'underline))
+ ((eq previous ?_)
+ (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
+ (put-text-property
+ (point) (1+ (point)) 'face 'underline))))))))
+
+(defun article-fill ()
+ "Format too long lines."
+ (interactive)
+ (save-excursion
+ (let ((buffer-read-only nil))
+ (widen)
+ (goto-char (point-min))
+ (search-forward "\n\n" nil t)
+ (end-of-line 1)
+ (let ((paragraph-start "^[>|#:<;* ]*[ \t]*$")
+ (adaptive-fill-regexp "[ \t]*\\([|#:<;>*]+ *\\)?")
+ (adaptive-fill-mode t))
+ (while (not (eobp))
+ (and (>= (current-column) (min fill-column (window-width)))
+ (/= (preceding-char) ?:)
+ (fill-paragraph nil))
+ (end-of-line 2))))))
+
+(defun article-remove-cr ()
+ "Remove carriage returns from an article."
+ (interactive)
+ (save-excursion
+ (let ((buffer-read-only nil))
+ (goto-char (point-min))
+ (while (search-forward "\r" nil t)
+ (replace-match "" t t)))))
+
+(defun article-remove-trailing-blank-lines ()
+ "Remove all trailing blank lines from the article."
+ (interactive)
+ (save-excursion
+ (let ((buffer-read-only nil))
+ (goto-char (point-max))
+ (delete-region
+ (point)
+ (progn
+ (while (and (not (bobp))
+ (looking-at "^[ \t]*$"))
+ (forward-line -1))
+ (forward-line 1)
+ (point))))))
+
+(defun article-display-x-face (&optional force)
+ "Look for an X-Face header and display it if present."
+ (interactive (list 'force))
+ (save-excursion
+ ;; Delete the old process, if any.
+ (when (process-status "article-x-face")
+ (delete-process "article-x-face"))
+ (let ((inhibit-point-motion-hooks t)
+ (case-fold-search nil)
+ from)
+ (save-restriction
+ (nnheader-narrow-to-headers)
+ (setq from (message-fetch-field "from"))
+ (goto-char (point-min))
+ (when (and gnus-article-x-face-command
+ (or force
+ ;; Check whether this face is censored.
+ (not gnus-article-x-face-too-ugly)
+ (and gnus-article-x-face-too-ugly from
+ (not (string-match gnus-article-x-face-too-ugly
+ from))))
+ ;; Has to be present.
+ (re-search-forward "^X-Face: " nil t))
+ ;; We now have the area of the buffer where the X-Face is stored.
+ (let ((beg (point))
+ (end (1- (re-search-forward "^\\($\\|[^ \t]\\)" nil t))))
+ ;; We display the face.
+ (if (symbolp gnus-article-x-face-command)
+ ;; The command is a lisp function, so we call it.
+ (if (gnus-functionp gnus-article-x-face-command)
+ (funcall gnus-article-x-face-command beg end)
+ (error "%s is not a function" gnus-article-x-face-command))
+ ;; The command is a string, so we interpret the command
+ ;; as a, well, command, and fork it off.
+ (let ((process-connection-type nil))
+ (process-kill-without-query
+ (start-process
+ "article-x-face" nil shell-file-name shell-command-switch
+ gnus-article-x-face-command))
+ (process-send-region "article-x-face" beg end)
+ (process-send-eof "article-x-face")))))))))
(defalias 'gnus-decode-rfc1522 'article-decode-rfc1522)
+(defalias 'gnus-article-decode-rfc1522 'article-decode-rfc1522)
+(defun article-decode-rfc1522 ()
+ "Hack to remove QP encoding from headers."
+ (let ((case-fold-search t)
+ (inhibit-point-motion-hooks t)
+ (buffer-read-only nil)
+ string)
+ (save-restriction
+ (narrow-to-region
+ (goto-char (point-min))
+ (or (search-forward "\n\n" nil t) (point-max)))
+ (goto-char (point-min))
+ (while (re-search-forward
+ "=\\?iso-8859-1\\?q\\?\\([^?\t\n]*\\)\\?=" nil t)
+ (setq string (match-string 1))
+ (save-restriction
+ (narrow-to-region (match-beginning 0) (match-end 0))
+ (delete-region (point-min) (point-max))
+ (insert string)
+ (article-mime-decode-quoted-printable
+ (goto-char (point-min)) (point-max))
+ (subst-char-in-region (point-min) (point-max) ?_ ? )
+ (goto-char (point-max)))
+ (goto-char (point-min))))))
+
+(defun article-de-quoted-unreadable (&optional force)
+ "Do a naive translation of a quoted-printable-encoded article.
+This is in no way, shape or form meant as a replacement for real MIME
+processing, but is simply a stop-gap measure until MIME support is
+written.
+If FORCE, decode the article whether it is marked as quoted-printable
+or not."
+ (interactive (list 'force))
+ (save-excursion
+ (let ((case-fold-search t)
+ (buffer-read-only nil)
+ (type (gnus-fetch-field "content-transfer-encoding")))
+ (gnus-article-decode-rfc1522)
+ (when (or force
+ (and type (string-match "quoted-printable" (downcase type))))
+ (goto-char (point-min))
+ (search-forward "\n\n" nil 'move)
+ (article-mime-decode-quoted-printable (point) (point-max))))))
+
+(defun article-mime-decode-quoted-printable-buffer ()
+ "Decode Quoted-Printable in the current buffer."
+ (article-mime-decode-quoted-printable (point-min) (point-max)))
+
+(defun article-mime-decode-quoted-printable (from to)
+ "Decode Quoted-Printable in the region between FROM and TO."
+ (interactive "r")
+ (goto-char from)
+ (while (search-forward "=" to t)
+ (cond ((eq (following-char) ?\n)
+ (delete-char -1)
+ (delete-char 1))
+ ((looking-at "[0-9A-F][0-9A-F]")
+ (subst-char-in-region
+ (1- (point)) (point) ?=
+ (hexl-hex-string-to-integer
+ (buffer-substring (point) (+ 2 (point)))))
+ (delete-char 2))
+ ((looking-at "=")
+ (delete-char 1))
+ ((gnus-message 3 "Malformed MIME quoted-printable message")))))
+
+(defun article-hide-pgp (&optional arg)
+ "Toggle hiding of any PGP headers and signatures in the current article.
+If given a negative prefix, always show; if given a positive prefix,
+always hide."
+ (interactive (gnus-article-hidden-arg))
+ (unless (gnus-article-check-hidden-text 'pgp arg)
+ (save-excursion
+ (let (buffer-read-only beg end)
+ (widen)
+ (goto-char (point-min))
+ ;; Hide the "header".
+ (and (search-forward "\n-----BEGIN PGP SIGNED MESSAGE-----\n" nil t)
+ (gnus-article-hide-text-type (match-beginning 0) (match-end 0) 'pgp))
+ (setq beg (point))
+ ;; Hide the actual signature.
+ (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t)
+ (setq end (1+ (match-beginning 0)))
+ (gnus-article-hide-text-type
+ end
+ (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t)
+ (match-end 0)
+ ;; Perhaps we shouldn't hide to the end of the buffer
+ ;; if there is no end to the signature?
+ (point-max))
+ 'pgp))
+ ;; Hide "- " PGP quotation markers.
+ (when (and beg end)
+ (narrow-to-region beg end)
+ (goto-char (point-min))
+ (while (re-search-forward "^- " nil t)
+ (gnus-article-hide-text-type (match-beginning 0) (match-end 0) 'pgp))
+ (widen))))))
+
+(defun article-hide-pem (&optional arg)
+ "Toggle hiding of any PEM headers and signatures in the current article.
+If given a negative prefix, always show; if given a positive prefix,
+always hide."
+ (interactive (gnus-article-hidden-arg))
+ (unless (gnus-article-check-hidden-text 'pem arg)
+ (save-excursion
+ (let (buffer-read-only end)
+ (widen)
+ (goto-char (point-min))
+ ;; hide the horrendously ugly "header".
+ (and (search-forward "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
+ nil
+ t)
+ (setq end (1+ (match-beginning 0)))
+ (gnus-article-hide-text-type
+ end
+ (if (search-forward "\n\n" nil t)
+ (match-end 0)
+ (point-max))
+ 'pem))
+ ;; hide the trailer as well
+ (and (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
+ nil
+ t)
+ (gnus-article-hide-text-type
+ (match-beginning 0) (match-end 0) 'pem))))))
+
+(defun article-hide-signature (&optional arg)
+ "Hide the signature in the current article.
+If given a negative prefix, always show; if given a positive prefix,
+always hide."
+ (interactive (gnus-article-hidden-arg))
+ (unless (gnus-article-check-hidden-text 'signature arg)
+ (save-excursion
+ (save-restriction
+ (let ((buffer-read-only nil))
+ (when (gnus-article-narrow-to-signature)
+ (gnus-article-hide-text-type
+ (point-min) (point-max) 'signature)))))))
+
+(defun article-strip-leading-blank-lines ()
+ "Remove all blank lines from the beginning of the article."
+ (interactive)
+ (save-excursion
+ (let ((inhibit-point-motion-hooks t)
+ buffer-read-only)
+ (goto-char (point-min))
+ (when (search-forward "\n\n" nil t)
+ (while (and (not (eobp))
+ (looking-at "[ \t]*$"))
+ (gnus-delete-line))))))
+
+(defun article-strip-multiple-blank-lines ()
+ "Replace consecutive blank lines with one empty line."
+ (interactive)
+ (save-excursion
+ (let (buffer-read-only)
+ ;; First make all blank lines empty.
+ (goto-char (point-min))
+ (while (re-search-forward "^[ \t]+$" nil t)
+ (replace-match "" nil t))
+ ;; Then replace multiple empty lines with a single empty line.
+ (goto-char (point-min))
+ (while (re-search-forward "\n\n\n+" nil t)
+ (replace-match "\n\n" t t)))))
+
+(defun article-strip-blank-lines ()
+ "Strip leading, trailing and multiple blank lines."
+ (interactive)
+ (article-strip-leading-blank-lines)
+ (article-remove-trailing-blank-lines)
+ (article-strip-multiple-blank-lines))
+
+(defvar mime::preview/content-list)
+(defvar mime::preview-content-info/point-min)
+(defun gnus-article-narrow-to-signature ()
+ "Narrow to the signature; return t if a signature is found, else nil."
+ (widen)
+ (when (and (boundp 'mime::preview/content-list)
+ mime::preview/content-list)
+ ;; We have a MIMEish article, so we use the MIME data to narrow.
+ (let ((pcinfo (car (last mime::preview/content-list))))
+ (ignore-errors
+ (narrow-to-region
+ (funcall (intern "mime::preview-content-info/point-min") pcinfo)
+ (point-max)))))
+
+ (when (gnus-article-search-signature)
+ (forward-line 1)
+ ;; Check whether we have some limits to what we consider
+ ;; to be a signature.
+ (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
+ (list gnus-signature-limit)))
+ limit limited)
+ (while (setq limit (pop limits))
+ (if (or (and (integerp limit)
+ (< (- (point-max) (point)) limit))
+ (and (floatp limit)
+ (< (count-lines (point) (point-max)) limit))
+ (and (gnus-functionp limit)
+ (funcall limit))
+ (and (stringp limit)
+ (not (re-search-forward limit nil t))))
+ () ; This limit did not succeed.
+ (setq limited t
+ limits nil)))
+ (unless limited
+ (narrow-to-region (point) (point-max))
+ t))))
+
+(defun gnus-article-search-signature ()
+ "Search the current buffer for the signature separator.
+Put point at the beginning of the signature separator."
+ (let ((cur (point)))
+ (goto-char (point-max))
+ (if (if (stringp gnus-signature-separator)
+ (re-search-backward gnus-signature-separator nil t)
+ (let ((seps gnus-signature-separator))
+ (while (and seps
+ (not (re-search-backward (car seps) nil t)))
+ (pop seps))
+ seps))
+ t
+ (goto-char cur)
+ nil)))
+
+(defun gnus-article-hidden-arg ()
+ "Return the current prefix arg as a number, or 0 if no prefix."
+ (list (if current-prefix-arg
+ (prefix-numeric-value current-prefix-arg)
+ 0)))
+
+(defun gnus-article-check-hidden-text (type arg)
+ "Return nil if hiding is necessary.
+Arg can be nil or a number. Nil and positive means hide, negative
+means show, 0 means toggle."
+ (save-excursion
+ (let ((hide (gnus-article-hidden-text-p type)))
+ (cond
+ ((or (null arg)
+ (> arg 0))
+ nil)
+ ((< arg 0)
+ (gnus-article-show-hidden-text type))
+ (t
+ (if (eq hide 'hidden)
+ (gnus-article-show-hidden-text type)
+ nil))))))
+
+(defun gnus-article-hidden-text-p (type)
+ "Say whether the current buffer contains hidden text of type TYPE."
+ (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
+ (when pos
+ (if (get-text-property pos 'invisible)
+ 'hidden
+ 'shown))))
+
+(defun gnus-article-show-hidden-text (type &optional hide)
+ "Show all hidden text of type TYPE.
+If HIDE, hide the text instead."
+ (save-excursion
+ (let ((buffer-read-only nil)
+ (inhibit-point-motion-hooks t)
+ (end (point-min))
+ beg)
+ (while (setq beg (text-property-any end (point-max) 'article-type type))
+ (goto-char beg)
+ (setq end (or
+ (text-property-not-all beg (point-max) 'article-type type)
+ (point-max)))
+ (if hide
+ (gnus-article-hide-text beg end gnus-hidden-properties)
+ (gnus-article-unhide-text beg end))
+ (goto-char end))
+ t)))
+
+(defconst article-time-units
+ `((year . ,(* 365.25 24 60 60))
+ (week . ,(* 7 24 60 60))
+ (day . ,(* 24 60 60))
+ (hour . ,(* 60 60))
+ (minute . 60)
+ (second . 1))
+ "Mapping from time units to seconds.")
+
+(defun article-date-ut (&optional type highlight header)
+ "Convert DATE date to universal time in the current article.
+If TYPE is `local', convert to local time; if it is `lapsed', output
+how much time has lapsed since DATE."
+ (interactive (list 'ut t))
+ (let* ((header (or header
+ (mail-header-date gnus-current-headers)
+ (message-fetch-field "date")
+ ""))
+ (date (if (vectorp header) (mail-header-date header)
+ header))
+ (date-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
+ (inhibit-point-motion-hooks t)
+ bface eface)
+ (when (and date (not (string= date "")))
+ (save-excursion
+ (save-restriction
+ (nnheader-narrow-to-headers)
+ (let ((buffer-read-only nil))
+ ;; Delete any old Date headers.
+ (if (re-search-forward date-regexp nil t)
+ (progn
+ (setq bface (get-text-property (gnus-point-at-bol) 'face)
+ eface (get-text-property (1- (gnus-point-at-eol))
+ 'face))
+ (message-remove-header date-regexp t)
+ (beginning-of-line))
+ (goto-char (point-max)))
+ (insert (article-make-date-line date type))
+ ;; Do highlighting.
+ (forward-line -1)
+ (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
+ (put-text-property (match-beginning 1) (match-end 1)
+ 'face bface)
+ (put-text-property (match-beginning 2) (match-end 2)
+ 'face eface))))))))
+
+(defun article-make-date-line (date type)
+ "Return a DATE line of TYPE."
+ (cond
+ ;; Convert to the local timezone. We have to slap a
+ ;; `condition-case' round the calls to the timezone
+ ;; functions since they aren't particularly resistant to
+ ;; buggy dates.
+ ((eq type 'local)
+ (concat "Date: " (condition-case ()
+ (timezone-make-date-arpa-standard date)
+ (error date))
+ "\n"))
+ ;; Convert to Universal Time.
+ ((eq type 'ut)
+ (concat "Date: "
+ (condition-case ()
+ (timezone-make-date-arpa-standard date nil "UT")
+ (error date))
+ "\n"))
+ ;; Get the original date from the article.
+ ((eq type 'original)
+ (concat "Date: " date "\n"))
+ ;; Do an X-Sent lapsed format.
+ ((eq type 'lapsed)
+ ;; If the date is seriously mangled, the timezone functions are
+ ;; liable to bug out, so we ignore all errors.
+ (let* ((now (current-time))
+ (real-time
+ (ignore-errors
+ (gnus-time-minus
+ (gnus-encode-date
+ (timezone-make-date-arpa-standard
+ (current-time-string now)
+ (current-time-zone now) "UT"))
+ (gnus-encode-date
+ (timezone-make-date-arpa-standard
+ date nil "UT")))))
+ (real-sec (and real-time
+ (+ (* (float (car real-time)) 65536)
+ (cadr real-time))))
+ (sec (and real-time (abs real-sec)))
+ num prev)
+ (cond
+ ((null real-time)
+ "X-Sent: Unknown\n")
+ ((zerop sec)
+ "X-Sent: Now\n")
+ (t
+ (concat
+ "X-Sent: "
+ ;; This is a bit convoluted, but basically we go
+ ;; through the time units for years, weeks, etc,
+ ;; and divide things to see whether that results
+ ;; in positive answers.
+ (mapconcat
+ (lambda (unit)
+ (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
+ ;; The (remaining) seconds are too few to
+ ;; be divided into this time unit.
+ ""
+ ;; It's big enough, so we output it.
+ (setq sec (- sec (* num (cdr unit))))
+ (prog1
+ (concat (if prev ", " "") (int-to-string
+ (floor num))
+ " " (symbol-name (car unit))
+ (if (> num 1) "s" ""))
+ (setq prev t))))
+ article-time-units "")
+ ;; If dates are odd, then it might appear like the
+ ;; article was sent in the future.
+ (if (> real-sec 0)
+ " ago\n"
+ " in the future\n"))))))
+ (t
+ (error "Unknown conversion type: %s" type))))
+
+(defun article-date-local (&optional highlight)
+ "Convert the current article date to the local timezone."
+ (interactive (list t))
+ (article-date-ut 'local highlight))
+
+(defun article-date-original (&optional highlight)
+ "Convert the current article date to what it was originally.
+This is only useful if you have used some other date conversion
+function and want to see what the date was before converting."
+ (interactive (list t))
+ (article-date-ut 'original highlight))
+
+(defun article-date-lapsed (&optional highlight)
+ "Convert the current article date to time lapsed since it was sent."
+ (interactive (list t))
+ (article-date-ut 'lapsed highlight))
+
+(defun article-show-all ()
+ "Show all hidden text in the article buffer."
+ (interactive)
+ (save-excursion
+ (let ((buffer-read-only nil))
+ (gnus-article-unhide-text (point-min) (point-max)))))
+
+(defun article-emphasize (&optional arg)
+ "Emphasize text according to `gnus-emphasis-alist'."
+ (interactive (gnus-article-hidden-arg))
+ (unless (gnus-article-check-hidden-text 'emphasis arg)
+ (save-excursion
+ (let ((alist gnus-emphasis-alist)
+ (buffer-read-only nil)
+ (props (append '(gnus-article-type emphasis)
+ gnus-hidden-properties))
+ regexp elem beg invisible visible face)
+ (goto-char (point-min))
+ (search-forward "\n\n" nil t)
+ (setq beg (point))
+ (while (setq elem (pop alist))
+ (goto-char beg)
+ (setq regexp (car elem)
+ invisible (nth 1 elem)
+ visible (nth 2 elem)
+ face (nth 3 elem))
+ (while (re-search-forward regexp nil t)
+ (when (and (match-beginning visible) (match-beginning invisible))
+ (gnus-article-hide-text
+ (match-beginning invisible) (match-end invisible) props)
+ (gnus-article-unhide-text-type
+ (match-beginning visible) (match-end visible) 'emphasis)
+ (gnus-put-text-property-excluding-newlines
+ (match-beginning visible) (match-end visible) 'face face)
+ (goto-char (match-end invisible)))))))))
+
+(defvar gnus-summary-article-menu)
+(defvar gnus-summary-post-menu)
;;; Saving functions.
-(defun gnus-article-save (save-buffer file)
+(defun gnus-article-save (save-buffer file &optional num)
"Save the currently selected article."
(unless gnus-save-all-headers
- ;; Remove headers accoring to `gnus-saved-headers'.
+ ;; Remove headers according to `gnus-saved-headers'.
(let ((gnus-visible-headers
(or gnus-saved-headers gnus-visible-headers))
(gnus-article-buffer save-buffer))
(if (not gnus-default-article-saver)
(error "No default saver is defined.")
;; !!! Magic! The saving functions all save
- ;; `gnus-original-article-buffer' (or so they think),
- ;; but we bind that variable to our save-buffer.
+ ;; `gnus-original-article-buffer' (or so they think), but we
+ ;; bind that variable to our save-buffer.
(set-buffer gnus-article-buffer)
- (let ((gnus-original-article-buffer save-buffer))
+ (let* ((gnus-save-article-buffer save-buffer)
+ (filename
+ (cond
+ ((not gnus-prompt-before-saving) 'default)
+ ((eq gnus-prompt-before-saving 'always) nil)
+ (t file)))
+ (gnus-number-of-articles-to-be-saved
+ (when (eq gnus-prompt-before-saving t)
+ num))) ; Magic
(set-buffer gnus-summary-buffer)
- (funcall
- gnus-default-article-saver
- (cond
- ((not gnus-prompt-before-saving)
- 'default)
- ((eq gnus-prompt-before-saving 'always)
- nil)
- (t file)))))))
-
-(defun gnus-read-save-file-name (prompt default-name)
- (let* ((split-name (gnus-get-split-value gnus-split-methods))
- (file
- ;; Let the split methods have their say.
- (cond
- ;; No split name was found.
- ((null split-name)
- (read-file-name
- (concat prompt " (default "
- (file-name-nondirectory default-name) ") ")
- (file-name-directory default-name)
- default-name))
- ;; A single split name was found
- ((= 1 (length split-name))
- (let* ((name (car split-name))
- (dir (cond ((file-directory-p name)
- (file-name-as-directory name))
- ((file-exists-p name) name)
- (t gnus-article-save-directory))))
- (read-file-name
- (concat prompt " (default " name ") ")
- dir name)))
- ;; A list of splits was found.
- (t
- (setq split-name (nreverse split-name))
- (let (result)
- (let ((file-name-history (nconc split-name file-name-history)))
- (setq result
- (read-file-name
- (concat prompt " (`M-p' for defaults) ")
- gnus-article-save-directory
- (car split-name))))
- (car (push result file-name-history)))))))
- ;; Create the directory.
- (unless (equal (directory-file-name file) file)
- (make-directory (file-name-directory file) t))
- ;; If we have read a directory, we append the default file name.
- (when (file-directory-p file)
- (setq file (concat (file-name-as-directory file)
- (file-name-nondirectory default-name))))
- ;; Possibly translate some characters.
- (nnheader-translate-file-chars file)))
+ (funcall gnus-default-article-saver filename)))))
+
+(defun gnus-read-save-file-name (prompt default-name &optional filename)
+ (cond
+ ((eq filename 'default)
+ default-name)
+ (filename filename)
+ (t
+ (let* ((split-name (gnus-get-split-value gnus-split-methods))
+ (prompt
+ (format prompt (if (and gnus-number-of-articles-to-be-saved
+ (> gnus-number-of-articles-to-be-saved 1))
+ (format "these %d articles"
+ gnus-number-of-articles-to-be-saved)
+ "this article")))
+ (file
+ ;; Let the split methods have their say.
+ (cond
+ ;; No split name was found.
+ ((null split-name)
+ (read-file-name
+ (concat prompt " (default "
+ (file-name-nondirectory default-name) ") ")
+ (file-name-directory default-name)
+ default-name))
+ ;; A single split name was found
+ ((= 1 (length split-name))
+ (let* ((name (car split-name))
+ (dir (cond ((file-directory-p name)
+ (file-name-as-directory name))
+ ((file-exists-p name) name)
+ (t gnus-article-save-directory))))
+ (read-file-name
+ (concat prompt " (default " name ") ")
+ dir name)))
+ ;; A list of splits was found.
+ (t
+ (setq split-name (nreverse split-name))
+ (let (result)
+ (let ((file-name-history (nconc split-name file-name-history)))
+ (setq result
+ (expand-file-name
+ (read-file-name
+ (concat prompt " (`M-p' for defaults) ")
+ gnus-article-save-directory
+ (car split-name))
+ gnus-article-save-directory)))
+ (car (push result file-name-history)))))))
+ ;; Create the directory.
+ (gnus-make-directory (file-name-directory file))
+ ;; If we have read a directory, we append the default file name.
+ (when (file-directory-p file)
+ (setq file (concat (file-name-as-directory file)
+ (file-name-nondirectory default-name))))
+ ;; Possibly translate some characters.
+ (nnheader-translate-file-chars file)))))
(defun gnus-article-archive-name (group)
"Return the first instance of an \"Archive-name\" in the current buffer."
(let ((default-name
(funcall gnus-rmail-save-name gnus-newsgroup-name
gnus-current-headers gnus-newsgroup-last-rmail)))
- (setq filename
- (cond ((eq filename 'default)
- default-name)
- (filename filename)
- (t (gnus-read-save-file-name
- "Save in rmail file:" default-name))))
- (make-directory (file-name-directory filename) t)
- (gnus-eval-in-buffer-window gnus-original-article-buffer
+ (setq filename (gnus-read-save-file-name
+ "Save %s in rmail file:" default-name filename))
+ (gnus-make-directory (file-name-directory filename))
+ (gnus-eval-in-buffer-window gnus-save-article-buffer
(save-excursion
(save-restriction
(widen)
(let ((default-name
(funcall gnus-mail-save-name gnus-newsgroup-name
gnus-current-headers gnus-newsgroup-last-mail)))
- (setq filename
- (cond ((eq filename 'default)
- default-name)
- (filename filename)
- (t (gnus-read-save-file-name
- "Save in Unix mail file:" default-name))))
+ (setq filename (gnus-read-save-file-name
+ "Save %s in Unix mail file:" default-name filename))
(setq filename
(expand-file-name filename
(and default-name
(file-name-directory default-name))))
- (make-directory (file-name-directory filename) t)
- (gnus-eval-in-buffer-window gnus-original-article-buffer
+ (gnus-make-directory (file-name-directory filename))
+ (gnus-eval-in-buffer-window gnus-save-article-buffer
(save-excursion
(save-restriction
(widen)
;; Remember the directory name to save articles.
(setq gnus-newsgroup-last-mail filename)))
-(defun gnus-summary-save-in-file (&optional filename)
+(defun gnus-summary-save-in-file (&optional filename overwrite)
"Append this article to file.
Optional argument FILENAME specifies file name.
Directory to save to is default to `gnus-article-save-directory'."
(let ((default-name
(funcall gnus-file-save-name gnus-newsgroup-name
gnus-current-headers gnus-newsgroup-last-file)))
- (setq filename
- (cond ((eq filename 'default)
- default-name)
- (filename filename)
- (t (gnus-read-save-file-name
- "Save in file:" default-name))))
- (make-directory (file-name-directory filename) t)
- (gnus-eval-in-buffer-window gnus-original-article-buffer
+ (setq filename (gnus-read-save-file-name
+ "Save %s in file:" default-name filename))
+ (gnus-make-directory (file-name-directory filename))
+ (gnus-eval-in-buffer-window gnus-save-article-buffer
(save-excursion
(save-restriction
(widen)
+ (when (and overwrite
+ (file-exists-p filename))
+ (delete-file filename))
(gnus-output-to-file filename))))
;; Remember the directory name to save articles.
(setq gnus-newsgroup-last-file filename)))
+(defun gnus-summary-write-to-file (&optional filename)
+ "Write this article to a file.
+Optional argument FILENAME specifies file name.
+The directory to save in defaults to `gnus-article-save-directory'."
+ (interactive)
+ (gnus-summary-save-in-file nil t))
+
(defun gnus-summary-save-body-in-file (&optional filename)
"Append this article body to a file.
Optional argument FILENAME specifies file name.
(let ((default-name
(funcall gnus-file-save-name gnus-newsgroup-name
gnus-current-headers gnus-newsgroup-last-file)))
- (setq filename
- (cond ((eq filename 'default)
- default-name)
- (filename filename)
- (t (gnus-read-save-file-name
- "Save body in file:" default-name))))
- (make-directory (file-name-directory filename) t)
- (gnus-eval-in-buffer-window gnus-original-article-buffer
+ (setq filename (gnus-read-save-file-name
+ "Save %s body in file:" default-name filename))
+ (gnus-make-directory (file-name-directory filename))
+ (gnus-eval-in-buffer-window gnus-save-article-buffer
(save-excursion
(save-restriction
(widen)
(goto-char (point-min))
- (and (search-forward "\n\n" nil t)
- (narrow-to-region (point) (point-max)))
+ (when (search-forward "\n\n" nil t)
+ (narrow-to-region (point) (point-max)))
(gnus-output-to-file filename))))
;; Remember the directory name to save articles.
(setq gnus-newsgroup-last-file filename)))
(cond ((eq command 'default)
gnus-last-shell-command)
(command command)
- (t (read-string "Shell command on article: "
- gnus-last-shell-command))))
- (if (string-equal command "")
- (setq command gnus-last-shell-command))
+ (t (read-string
+ (format
+ "Shell command on %s: "
+ (if (and gnus-number-of-articles-to-be-saved
+ (> gnus-number-of-articles-to-be-saved 1))
+ (format "these %d articles"
+ gnus-number-of-articles-to-be-saved)
+ "this article"))
+ gnus-last-shell-command))))
+ (when (string-equal command "")
+ (setq command gnus-last-shell-command))
(gnus-eval-in-buffer-window gnus-article-buffer
(save-restriction
(widen)
(defun gnus-capitalize-newsgroup (newsgroup)
"Capitalize NEWSGROUP name."
- (and (not (zerop (length newsgroup)))
- (concat (char-to-string (upcase (aref newsgroup 0)))
- (substring newsgroup 1))))
+ (when (not (zerop (length newsgroup)))
+ (concat (char-to-string (upcase (aref newsgroup 0)))
+ (substring newsgroup 1))))
(defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
"Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
(concat (gnus-newsgroup-directory-form newsgroup) "/news"))
gnus-article-save-directory)))
+(eval-and-compile
+ (mapcar
+ (lambda (func)
+ (let (afunc gfunc)
+ (if (consp func)
+ (setq afunc (car func)
+ gfunc (cdr func))
+ (setq afunc func
+ gfunc (intern (format "gnus-%s" func))))
+ (fset gfunc
+ (if (not (fboundp afunc))
+ nil
+ `(lambda (&optional interactive &rest args)
+ ,(documentation afunc t)
+ (interactive (list t))
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (if interactive
+ (call-interactively ',afunc)
+ (apply ',afunc args))))))))
+ '(article-hide-headers
+ article-hide-boring-headers
+ article-treat-overstrike
+ (article-fill . gnus-article-word-wrap)
+ article-remove-cr
+ article-display-x-face
+ article-de-quoted-unreadable
+ article-mime-decode-quoted-printable
+ article-hide-pgp
+ article-hide-pem
+ article-hide-signature
+ article-remove-trailing-blank-lines
+ article-strip-leading-blank-lines
+ article-strip-multiple-blank-lines
+ article-strip-blank-lines
+ article-date-local
+ article-date-original
+ article-date-lapsed
+ article-emphasize
+ (article-show-all . gnus-article-show-all-headers))))
\f
;;;
;;; Gnus article mode
"<" beginning-of-buffer
">" end-of-buffer
"\C-c\C-i" gnus-info-find-node
- "\C-c\C-b" gnus-bug)
+ "\C-c\C-b" gnus-bug
+
+ "\C-d" gnus-article-read-summary-keys
+ "\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))
+(defun gnus-article-make-menu-bar ()
+ (gnus-turn-off-edit-menu 'article)
+ (unless (boundp 'gnus-article-article-menu)
+ (easy-menu-define
+ gnus-article-article-menu gnus-article-mode-map ""
+ '("Article"
+ ["Scroll forwards" gnus-article-goto-next-page t]
+ ["Scroll backwards" gnus-article-goto-prev-page t]
+ ["Show summary" gnus-article-show-summary t]
+ ["Fetch Message-ID at point" gnus-article-refer-article t]
+ ["Mail to address at point" gnus-article-mail t]))
+
+ (easy-menu-define
+ gnus-article-treatment-menu gnus-article-mode-map ""
+ '("Treatment"
+ ["Hide headers" gnus-article-hide-headers t]
+ ["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]))
+
+ (when (boundp 'gnus-summary-article-menu)
+ (define-key gnus-article-mode-map [menu-bar commands]
+ (cons "Commands" gnus-summary-article-menu)))
+
+ (when (boundp 'gnus-summary-post-menu)
+ (define-key gnus-article-mode-map [menu-bar post]
+ (cons "Post" gnus-summary-post-menu)))
+
+ (run-hooks 'gnus-article-menu-hook)))
+
(defun gnus-article-mode ()
"Major mode for displaying an article.
\\[gnus-article-describe-briefly]\t Describe the current mode briefly
\\[gnus-info-find-node]\t Go to the Gnus info node"
(interactive)
- (when (and menu-bar-mode
- (gnus-visual-p 'article-menu 'menu))
+ (when (gnus-visual-p 'article-menu 'menu)
(gnus-article-make-menu-bar))
(kill-all-local-variables)
(gnus-simplify-mode-line)
(setq mode-name "Article")
(setq major-mode 'gnus-article-mode)
(make-local-variable 'minor-mode-alist)
- (or (assq 'gnus-show-mime minor-mode-alist)
- (setq minor-mode-alist
- (cons (list 'gnus-show-mime " MIME") 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)
- (make-local-variable 'page-delimiter)
- (setq page-delimiter gnus-page-delimiter)
+ (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
+ (gnus-set-default-directory)
(buffer-disable-undo (current-buffer))
- (setq buffer-read-only t) ;Disable modification
+ (setq buffer-read-only t)
+ (set-syntax-table gnus-article-mode-syntax-table)
(run-hooks 'gnus-article-mode-hook))
(defun gnus-article-setup-buffer ()
(set-buffer gnus-summary-buffer)
(setq gnus-article-buffer name)
(setq gnus-original-article-buffer original)
- (gnus-set-global-variables))
- (make-local-variable 'gnus-summary-buffer))
+ (gnus-set-global-variables)))
;; Init original article buffer.
(save-excursion
(set-buffer (get-buffer-create gnus-original-article-buffer))
(buffer-disable-undo (current-buffer))
(setq buffer-read-only t)
(gnus-add-current-to-buffer-list)
- (or (eq major-mode 'gnus-article-mode)
- (gnus-article-mode))
+ (unless (eq major-mode 'gnus-article-mode)
+ (gnus-article-mode))
(current-buffer))
(save-excursion
(set-buffer (get-buffer-create name))
(gnus-add-current-to-buffer-list)
(gnus-article-mode)
+ (make-local-variable 'gnus-summary-buffer)
(current-buffer)))))
;; Set article window start at LINE, where LINE is the number of lines
(gnus-find-method-for-group gnus-newsgroup-name))
(gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
(gnus-request-group gnus-newsgroup-name t))
- (let* ((article (if header (mail-header-number header) article))
+ (let* ((gnus-article (if header (mail-header-number header) article))
(summary-buffer (current-buffer))
(internal-hook gnus-article-internal-prepare-hook)
(group gnus-newsgroup-name)
;; The result from the `request' was an actual article -
;; or at least some text that is now displayed in the
;; article buffer.
- (if (and (numberp article)
- (not (eq article gnus-current-article)))
- ;; Seems like a new article has been selected.
- ;; `gnus-current-article' must be an article number.
- (save-excursion
- (set-buffer summary-buffer)
- (setq gnus-last-article gnus-current-article
- gnus-newsgroup-history (cons gnus-current-article
- gnus-newsgroup-history)
- gnus-current-article article
- gnus-current-headers
- (gnus-summary-article-header gnus-current-article)
- gnus-article-current
- (cons gnus-newsgroup-name gnus-current-article))
- (unless (vectorp gnus-current-headers)
- (setq gnus-current-headers nil))
- (gnus-summary-show-thread)
- (run-hooks 'gnus-mark-article-hook)
- (gnus-set-mode-line 'summary)
- (and (gnus-visual-p 'article-highlight 'highlight)
- (run-hooks 'gnus-visual-mark-article-hook))
- ;; Set the global newsgroup variables here.
- ;; Suggested by Jim Sisolak
- ;; <sisolak@trans4.neep.wisc.edu>.
- (gnus-set-global-variables)
- (setq gnus-have-all-headers
- (or all-headers gnus-show-all-headers))
- (and gnus-use-cache
- (vectorp (gnus-summary-article-header article))
- (gnus-cache-possibly-enter-article
- group article
- (gnus-summary-article-header article)
- (memq article gnus-newsgroup-marked)
- (memq article gnus-newsgroup-dormant)
- (memq article gnus-newsgroup-unreads)))))
+ (when (and (numberp article)
+ (not (eq article gnus-current-article)))
+ ;; Seems like a new article has been selected.
+ ;; `gnus-current-article' must be an article number.
+ (save-excursion
+ (set-buffer summary-buffer)
+ (setq gnus-last-article gnus-current-article
+ gnus-newsgroup-history (cons gnus-current-article
+ gnus-newsgroup-history)
+ gnus-current-article article
+ gnus-current-headers
+ (gnus-summary-article-header gnus-current-article)
+ gnus-article-current
+ (cons gnus-newsgroup-name gnus-current-article))
+ (unless (vectorp gnus-current-headers)
+ (setq gnus-current-headers nil))
+ (gnus-summary-show-thread)
+ (run-hooks 'gnus-mark-article-hook)
+ (gnus-set-mode-line 'summary)
+ (when (gnus-visual-p 'article-highlight 'highlight)
+ (run-hooks 'gnus-visual-mark-article-hook))
+ ;; Set the global newsgroup variables here.
+ ;; Suggested by Jim Sisolak
+ ;; <sisolak@trans4.neep.wisc.edu>.
+ (gnus-set-global-variables)
+ (setq gnus-have-all-headers
+ (or all-headers gnus-show-all-headers))
+ (and gnus-use-cache
+ (vectorp (gnus-summary-article-header article))
+ (gnus-cache-possibly-enter-article
+ group article
+ (gnus-summary-article-header article)
+ (memq article gnus-newsgroup-marked)
+ (memq article gnus-newsgroup-dormant)
+ (memq article gnus-newsgroup-unreads)))))
(when (or (numberp article)
(stringp article))
;; Hooks for getting information from the article.
(run-hooks 'internal-hook)
(run-hooks 'gnus-article-prepare-hook)
;; Decode MIME message.
- (if gnus-show-mime
- (if (or (not gnus-strict-mime)
- (gnus-fetch-field "Mime-Version"))
- (funcall gnus-show-mime-method)
- (funcall gnus-decode-encoded-word-method)))
+ (when gnus-show-mime
+ (if (or (not gnus-strict-mime)
+ (gnus-fetch-field "Mime-Version"))
+ (funcall gnus-show-mime-method)
+ (funcall gnus-decode-encoded-word-method)))
;; Perform the article display hooks.
(run-hooks 'gnus-article-display-hook))
;; Do page break.
(goto-char (point-min))
- (and gnus-break-pages (gnus-narrow-to-page)))
+ (when gnus-break-pages
+ (gnus-narrow-to-page)))
(gnus-set-mode-line 'article)
(gnus-configure-windows 'article)
(goto-char (point-min))
"Return a string which display status of article washing."
(save-excursion
(set-buffer gnus-article-buffer)
- (let ((cite (article-hidden-text-p 'cite))
- (headers (article-hidden-text-p 'headers))
- (boring (article-hidden-text-p 'boring-headers))
- (pgp (article-hidden-text-p 'pgp))
- (pem (article-hidden-text-p 'pem))
- (signature (article-hidden-text-p 'signature))
- (overstrike (article-hidden-text-p 'overstrike))
- (emphasis (article-hidden-text-p 'emphasis))
+ (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 ? )
(set-buffer file-buffer)
(rmail-insert-rmail-file-header)
(let ((require-final-newline nil))
- (write-region (point-min) (point-max) file-name t 1)))
+ (gnus-write-buffer file-name)))
(kill-buffer file-buffer))
(error "Output file does not exist")))
(set-buffer tmpbuf)
(msg (and (boundp 'rmail-current-message)
(symbol-value 'rmail-current-message))))
;; If MSG is non-nil, buffer is in RMAIL mode.
- (if msg
- (progn (widen)
- (narrow-to-region (point-max) (point-max))))
+ (when msg
+ (widen)
+ (narrow-to-region (point-max) (point-max)))
(insert-buffer-substring tmpbuf)
- (if msg
- (progn
- (goto-char (point-min))
- (widen)
- (search-backward "\^_")
- (narrow-to-region (point) (point-max))
- (goto-char (1+ (point-min)))
- (rmail-count-new-messages t)
- (rmail-show-message msg)))))))
+ (when msg
+ (goto-char (point-min))
+ (widen)
+ (search-backward "\^_")
+ (narrow-to-region (point) (point-max))
+ (goto-char (1+ (point-min)))
+ (rmail-count-new-messages t)
+ (rmail-show-message msg))))))
(kill-buffer tmpbuf)))
(defun gnus-output-to-file (file-name)
Argument LINES specifies lines to be scrolled up."
(interactive "p")
(move-to-window-line -1)
- ;; Fixed by enami@ptgd.sony.co.jp (enami tsugutomo)
(if (save-excursion
(end-of-line)
(and (pos-visible-in-window-p) ;Not continuation line.
(gnus-narrow-to-page 1) ;Go to next page.
nil)
;; More in this page.
- (condition-case ()
- (scroll-up lines)
- (end-of-buffer
- ;; Long lines may cause an end-of-buffer error.
- (goto-char (point-max))))
+ (let ((scroll-in-place nil))
+ (condition-case ()
+ (scroll-up lines)
+ (end-of-buffer
+ ;; Long lines may cause an end-of-buffer error.
+ (goto-char (point-max)))))
(move-to-window-line 0)
nil))
(gnus-narrow-to-page -1) ;Go to previous page.
(goto-char (point-max))
(recenter -1))
- (prog1
- (condition-case ()
- (scroll-down lines)
- (error nil))
- (move-to-window-line 0))))
+ (let ((scroll-in-place nil))
+ (prog1
+ (ignore-errors
+ (scroll-down lines))
+ (move-to-window-line 0)))))
(defun gnus-article-refer-article ()
"Read article specified by message-id around point."
"=" "^" "\M-^" "|"))
(nosave-but-article
'("A\r"))
+ (nosave-in-article
+ '("\C-d"))
keys)
(save-excursion
(set-buffer gnus-summary-buffer)
(message "")
(if (or (member keys nosaves)
- (member keys nosave-but-article))
+ (member keys nosave-but-article)
+ (member keys nosave-in-article))
(let (func)
(save-window-excursion
(pop-to-buffer gnus-summary-buffer 'norecord)
(setq func (lookup-key (current-local-map) keys)))
(if (not func)
(ding)
- (set-buffer gnus-summary-buffer)
+ (unless (member keys nosave-in-article)
+ (set-buffer gnus-summary-buffer))
(call-interactively func))
(when (member keys nosave-but-article)
(pop-to-buffer gnus-article-buffer 'norecord)))
+ ;; These commands should restore window configuration.
(let ((obuf (current-buffer))
(owin (current-window-configuration))
(opoint (point))
(defun gnus-article-maybe-highlight ()
"Do some article highlighting if `article-visual' is non-nil."
- (if (gnus-visual-p 'article-highlight 'highlight)
- (gnus-article-highlight-some)))
+ (when (gnus-visual-p 'article-highlight 'highlight)
+ (gnus-article-highlight-some)))
(defun gnus-request-article-this-buffer (article group)
"Get an article and insert it into this buffer."
(save-excursion
(set-buffer gnus-summary-buffer)
(let ((header (gnus-summary-article-header article)))
- (if (< article 0)
- (cond
- ((memq article gnus-newsgroup-sparse)
- ;; This is a sparse gap article.
- (setq do-update-line article)
- (setq article (mail-header-id header))
- (let ((gnus-override-method gnus-refer-article-method))
- (gnus-read-header article))
- (setq gnus-newsgroup-sparse
- (delq article gnus-newsgroup-sparse)))
- ((vectorp header)
- ;; It's a real article.
- (setq article (mail-header-id header)))
- (t
- ;; It is an extracted pseudo-article.
- (setq article 'pseudo)
- (gnus-request-pseudo-article header))))
+ (when (< article 0)
+ (cond
+ ((memq article gnus-newsgroup-sparse)
+ ;; This is a sparse gap article.
+ (setq do-update-line article)
+ (setq article (mail-header-id header))
+ (let ((gnus-override-method gnus-refer-article-method))
+ (gnus-read-header article))
+ (setq gnus-newsgroup-sparse
+ (delq article gnus-newsgroup-sparse)))
+ ((vectorp header)
+ ;; It's a real article.
+ (setq article (mail-header-id header)))
+ (t
+ ;; It is an extracted pseudo-article.
+ (setq article 'pseudo)
+ (gnus-request-pseudo-article header))))
(let ((method (gnus-find-method-for-group
gnus-newsgroup-name)))
()
(let ((dir (concat (file-name-as-directory (nth 1 method))
(mail-header-subject header))))
- (if (file-directory-p dir)
- (progn
- (setq article 'nneething)
- (gnus-group-enter-directory dir)))))))))
+ (when (file-directory-p dir)
+ (setq article 'nneething)
+ (gnus-group-enter-directory dir))))))))
(cond
;; Refuse to select canceled articles.
(point))
(set-buffer buf))))))
-(defun gnus-article-date-ut (&optional type highlight)
- "Convert DATE date to universal time in the current article.
-If TYPE is `local', convert to local time; if it is `lapsed', output
-how much time has lapsed since DATE."
- (interactive (list 'ut t))
- (let ((headers (or gnus-current-headers (gnus-summary-article-header))))
- (save-excursion
- (set-buffer gnus-article-buffer)
- (article-date-ut type highlight headers))))
-
;;;
;;; Article editing
;;;
-(defvar gnus-article-edit-mode-hook nil
- "*Hook run in article edit mode buffers.")
+(defcustom gnus-article-edit-mode-hook nil
+ "Hook run in article edit mode buffers."
+ :group 'article
+ :type 'hook)
(defvar gnus-article-edit-done-function nil)
(let ((winconf (current-window-configuration)))
(set-buffer gnus-article-buffer)
(gnus-article-edit-mode)
+ (set-text-properties (point-min) (point-max) nil)
(gnus-configure-windows 'edit-article)
(setq gnus-article-edit-done-function exit-func)
(setq gnus-prev-winconf winconf)
(buf (current-buffer))
(start (window-start)))
(gnus-article-edit-exit)
- (let ((cur (current-buffer)))
- (save-excursion
- (set-buffer buf)
- (let ((buffer-read-only nil))
- (funcall func)))
+ (save-excursion
(set-buffer buf)
- (set-window-start (get-buffer-window buf) start)
- (set-window-point (get-buffer-window buf) (point)))))
+ (let ((buffer-read-only nil))
+ (funcall func)))
+ (set-buffer buf)
+ (set-window-start (get-buffer-window buf) start)
+ (set-window-point (get-buffer-window buf) (point))))
(defun gnus-article-edit-exit ()
"Exit the article editing without updating."
(window-start (window-start)))
(erase-buffer)
(insert buf)
- (let ((winconf gnus-prev-winconf))
- (gnus-article-mode)
- ;; The cache and backlog have to be flushed somewhat.
- (when gnus-use-cache
- (gnus-cache-update-article
- (car gnus-article-current) (cdr gnus-article-current)))
- (when gnus-keep-backlog
- (gnus-backlog-remove-article
- (car gnus-article-current) (cdr gnus-article-current)))
- ;; Flush original article as well.
- (save-excursion
- (when (get-buffer gnus-original-article-buffer)
- (set-buffer gnus-original-article-buffer)
- (setq gnus-original-article nil)))
- (set-window-configuration winconf)
- ;; Tippy-toe some to make sure that point remains where it was.
- (let ((buf (current-buffer)))
- (set-buffer curbuf)
- (set-window-start (get-buffer-window (current-buffer)) window-start)
- (goto-char p)
- (set-buffer buf)))))
+ (let ((winconf gnus-prev-winconf))
+ (gnus-article-mode)
+ ;; The cache and backlog have to be flushed somewhat.
+ (when gnus-use-cache
+ (gnus-cache-update-article
+ (car gnus-article-current) (cdr gnus-article-current)))
+ (when gnus-keep-backlog
+ (gnus-backlog-remove-article
+ (car gnus-article-current) (cdr gnus-article-current)))
+ ;; Flush original article as well.
+ (save-excursion
+ (when (get-buffer gnus-original-article-buffer)
+ (set-buffer gnus-original-article-buffer)
+ (setq gnus-original-article nil)))
+ (set-window-configuration winconf)
+ ;; Tippy-toe some to make sure that point remains where it was.
+ (let ((buf (current-buffer)))
+ (set-buffer curbuf)
+ (set-window-start (get-buffer-window (current-buffer)) window-start)
+ (goto-char p)
+ (set-buffer buf)))))
(defun gnus-article-edit-full-stops ()
"Interactively repair spacing at end of sentences."
(let ((case-fold-search nil))
(query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
+;;;
+;;; Article highlights
+;;;
+
+;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
+
+;;; Internal Variables:
+
+(defcustom gnus-button-url-regexp "\\b\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?\\([-a-zA-Z0-9_=!?#$@~`%&*+|\\/:;.,]\\|\\w\\)*\\([-a-zA-Z0-9_=#$@~`%&*+|\\/]\\|\\w\\)"
+ "Regular expression that matches URLs."
+ :group 'article
+ :type 'regexp)
+
+(defcustom gnus-button-alist
+ `(("\\(<?\\(url: ?\\)?news:\\(//\\)?\\([^>\n\t ]*\\)>?\\)" 1 t
+ gnus-button-fetch-group 4)
+ ("\\bin\\( +article\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
+ t gnus-button-message-id 3)
+ ("\\(<?\\(url: ?\\)?news:\\([^>\n\t ]*\\)>?\\)" 1 t
+ gnus-button-message-id 3)
+ ("\\(<URL: *\\)?mailto: *\\([^> \n\t]+\\)>?" 0 t gnus-url-mailto 2)
+ ;; This is how URLs _should_ be embedded in text...
+ ("<URL: *\\([^>]*\\)>" 0 t gnus-button-embedded-url 1)
+ ;; Raw URLs.
+ (,gnus-button-url-regexp 0 t gnus-button-url 0))
+ "Alist of regexps matching buttons in article bodies.
+
+Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
+REGEXP: is the string matching text around the button,
+BUTTON: is the number of the regexp grouping actually matching the button,
+FORM: is a lisp expression which must eval to true for the button to
+be added,
+CALLBACK: is the function to call when the user push this button, and each
+PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
+
+CALLBACK can also be a variable, in that case the value of that
+variable it the real callback function."
+ :group 'article
+ :type '(repeat (list regexp
+ (integer :tag "Button")
+ (sexp :tag "Form")
+ (function :tag "Callback")
+ (repeat :tag "Par"
+ :inline t
+ (integer :tag "Regexp group")))))
+
+(defcustom gnus-header-button-alist
+ `(("^\\(References\\|Message-I[Dd]\\):" "<[^>]+>"
+ 0 t gnus-button-message-id 0)
+ ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1)
+ ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
+ 0 t gnus-button-mailto 0)
+ ("^X-[Uu][Rr][Ll]:" ,gnus-button-url-regexp 0 t gnus-button-url 0)
+ ("^[^:]+:" ,gnus-button-url-regexp 0 t gnus-button-url 0)
+ ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t
+ gnus-button-message-id 3))
+ "Alist of headers and regexps to match buttons in article heads.
+
+This alist is very similar to `gnus-button-alist', except that each
+alist has an additional HEADER element first in each entry:
+
+\(HEADER REGEXP BUTTON FORM CALLBACK PAR)
+
+HEADER is a regexp to match a header. For a fuller explanation, see
+`gnus-button-alist'."
+ :group 'article
+ :type '(repeat (list (regexp :tag "Header")
+ regexp
+ (integer :tag "Button")
+ (sexp :tag "Form")
+ (function :tag "Callback")
+ (repeat :tag "Par"
+ :inline t
+ (integer :tag "Regexp group")))))
+
+(defvar gnus-button-regexp nil)
+(defvar gnus-button-marker-list nil)
+;; Regexp matching any of the regexps from `gnus-button-alist'.
+
+(defvar gnus-button-last nil)
+;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
+
+;;; Commands:
+
+(defun gnus-article-push-button (event)
+ "Check text under the mouse pointer for a callback function.
+If the text under the mouse pointer has a `gnus-callback' property,
+call it with the value of the `gnus-data' text property."
+ (interactive "e")
+ (set-buffer (window-buffer (posn-window (event-start event))))
+ (let* ((pos (posn-point (event-start event)))
+ (data (get-text-property pos 'gnus-data))
+ (fun (get-text-property pos 'gnus-callback)))
+ (when fun
+ (funcall fun data))))
+
+(defun gnus-article-press-button ()
+ "Check text at point for a callback function.
+If the text at point has a `gnus-callback' property,
+call it with the value of the `gnus-data' text property."
+ (interactive)
+ (let* ((data (get-text-property (point) 'gnus-data))
+ (fun (get-text-property (point) 'gnus-callback)))
+ (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',
+`gnus-article-highlight-citation',
+`gnus-article-highlight-signature', and `gnus-article-add-buttons' to
+do the highlighting. See the documentation for those functions."
+ (interactive (list 'force))
+ (gnus-article-highlight-headers)
+ (gnus-article-highlight-citation force)
+ (gnus-article-highlight-signature)
+ (gnus-article-add-buttons force)
+ (gnus-article-add-buttons-to-head))
+
+(defun gnus-article-highlight-some (&optional force)
+ "Highlight current article.
+This function calls `gnus-article-highlight-headers',
+`gnus-article-highlight-signature', and `gnus-article-add-buttons' to
+do the highlighting. See the documentation for those functions."
+ (interactive (list 'force))
+ (gnus-article-highlight-headers)
+ (gnus-article-highlight-signature)
+ (gnus-article-add-buttons))
+
+(defun gnus-article-highlight-headers ()
+ "Highlight article headers as specified by `gnus-header-face-alist'."
+ (interactive)
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (save-restriction
+ (let ((alist gnus-header-face-alist)
+ (buffer-read-only nil)
+ (case-fold-search t)
+ (inhibit-point-motion-hooks t)
+ entry regexp header-face field-face from hpoints fpoints)
+ (goto-char (point-min))
+ (when (search-forward "\n\n" nil t)
+ (narrow-to-region (1- (point)) (point-min))
+ (while (setq entry (pop alist))
+ (goto-char (point-min))
+ (setq regexp (concat "^\\("
+ (if (string-equal "" (nth 0 entry))
+ "[^\t ]"
+ (nth 0 entry))
+ "\\)")
+ header-face (nth 1 entry)
+ field-face (nth 2 entry))
+ (while (and (re-search-forward regexp nil t)
+ (not (eobp)))
+ (beginning-of-line)
+ (setq from (point))
+ (unless (search-forward ":" nil t)
+ (forward-char 1))
+ (when (and header-face
+ (not (memq (point) hpoints)))
+ (push (point) hpoints)
+ (gnus-put-text-property from (point) 'face header-face))
+ (when (and field-face
+ (not (memq (setq from (point)) fpoints)))
+ (push from fpoints)
+ (if (re-search-forward "^[^ \t]" nil t)
+ (forward-char -2)
+ (goto-char (point-max)))
+ (gnus-put-text-property from (point) 'face field-face)))))))))
+
+(defun gnus-article-highlight-signature ()
+ "Highlight the signature in an article.
+It does this by highlighting everything after
+`gnus-signature-separator' using `gnus-signature-face'."
+ (interactive)
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (let ((buffer-read-only nil)
+ (inhibit-point-motion-hooks t))
+ (save-restriction
+ (when (and gnus-signature-face
+ (gnus-article-narrow-to-signature))
+ (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
+ 'face gnus-signature-face)
+ (widen)
+ (gnus-article-search-signature)
+ (let ((start (match-beginning 0))
+ (end (set-marker (make-marker) (1+ (match-end 0)))))
+ (gnus-article-add-button start (1- end) 'gnus-signature-toggle
+ end)))))))
+
+(defun gnus-article-add-buttons (&optional force)
+ "Find external references in the article and make buttons of them.
+\"External references\" are things like Message-IDs and URLs, as
+specified by `gnus-button-alist'."
+ (interactive (list 'force))
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ ;; Remove all old markers.
+ (while gnus-button-marker-list
+ (set-marker (pop gnus-button-marker-list) nil))
+ (let ((buffer-read-only nil)
+ (inhibit-point-motion-hooks t)
+ (case-fold-search t)
+ (alist gnus-button-alist)
+ beg entry regexp)
+ (goto-char (point-min))
+ ;; We skip the headers.
+ (unless (search-forward "\n\n" nil t)
+ (goto-char (point-max)))
+ (setq beg (point))
+ (while (setq entry (pop alist))
+ (setq regexp (car entry))
+ (goto-char beg)
+ (while (re-search-forward regexp nil t)
+ (let* ((start (and entry (match-beginning (nth 1 entry))))
+ (end (and entry (match-end (nth 1 entry))))
+ (from (match-beginning 0)))
+ (when (and (or (eq t (nth 1 entry))
+ (eval (nth 1 entry)))
+ (not (get-text-property (point) 'gnus-callback)))
+ ;; That optional form returned non-nil, so we add the
+ ;; button.
+ (gnus-article-add-button
+ start end 'gnus-button-push
+ (car (push (set-marker (make-marker) from)
+ gnus-button-marker-list))))))))))
+
+;; Add buttons to the head of an article.
+(defun gnus-article-add-buttons-to-head ()
+ "Add buttons to the head of the article."
+ (interactive)
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (let ((buffer-read-only nil)
+ (inhibit-point-motion-hooks t)
+ (case-fold-search t)
+ (alist gnus-header-button-alist)
+ entry beg end)
+ (nnheader-narrow-to-headers)
+ (while alist
+ ;; Each alist entry.
+ (setq entry (car alist)
+ alist (cdr alist))
+ (goto-char (point-min))
+ (while (re-search-forward (car entry) nil t)
+ ;; Each header matching the entry.
+ (setq beg (match-beginning 0))
+ (setq end (or (and (re-search-forward "^[^ \t]" nil t)
+ (match-beginning 0))
+ (point-max)))
+ (goto-char beg)
+ (while (re-search-forward (nth 1 entry) end t)
+ ;; Each match within a header.
+ (let* ((entry (cdr entry))
+ (start (match-beginning (nth 1 entry)))
+ (end (match-end (nth 1 entry)))
+ (form (nth 2 entry)))
+ (goto-char (match-end 0))
+ (when (eval form)
+ (gnus-article-add-button
+ start end (nth 3 entry)
+ (buffer-substring (match-beginning (nth 4 entry))
+ (match-end (nth 4 entry)))))))
+ (goto-char end))))
+ (widen)))
+
+;;; External functions:
+
+(defun gnus-article-add-button (from to fun &optional data)
+ "Create a button between FROM and TO with callback FUN and data DATA."
+ (when gnus-article-button-face
+ (gnus-overlay-put (gnus-make-overlay from to)
+ 'face gnus-article-button-face))
+ (gnus-add-text-properties
+ from to
+ (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)))))
+
+;;; Internal functions:
+
+(defun gnus-signature-toggle (end)
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (let ((buffer-read-only nil)
+ (inhibit-point-motion-hooks t))
+ (if (get-text-property end 'invisible)
+ (gnus-article-unhide-text end (point-max))
+ (gnus-article-hide-text end (point-max) gnus-hidden-properties)))))
+
+(defun gnus-button-entry ()
+ ;; Return the first entry in `gnus-button-alist' matching this place.
+ (let ((alist gnus-button-alist)
+ (entry nil))
+ (while alist
+ (setq entry (pop alist))
+ (if (looking-at (car entry))
+ (setq alist nil)
+ (setq entry nil)))
+ entry))
+
+(defun gnus-button-push (marker)
+ ;; Push button starting at MARKER.
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (goto-char marker)
+ (let* ((entry (gnus-button-entry))
+ (inhibit-point-motion-hooks t)
+ (fun (nth 3 entry))
+ (args (mapcar (lambda (group)
+ (let ((string (match-string group)))
+ (gnus-set-text-properties
+ 0 (length string) nil string)
+ string))
+ (nthcdr 4 entry))))
+ (cond
+ ((fboundp fun)
+ (apply fun args))
+ ((and (boundp fun)
+ (fboundp (symbol-value fun)))
+ (apply (symbol-value fun) args))
+ (t
+ (gnus-message 1 "You must define `%S' to use this button"
+ (cons fun args)))))))
+
+(defun gnus-button-message-id (message-id)
+ "Fetch MESSAGE-ID."
+ (save-excursion
+ (set-buffer gnus-summary-buffer)
+ (gnus-summary-refer-article message-id)))
+
+(defun gnus-button-fetch-group (address)
+ "Fetch GROUP specified by ADDRESS."
+ (if (not (string-match "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\(.*\\)$" address))
+ (error "Can't parse %s" address)
+ (gnus-group-read-ephemeral-group
+ (match-string 4 address)
+ `(nntp ,(match-string 1 address) (nntp-address ,(match-string 1 address))
+ (nntp-port-number ,(if (match-end 3)
+ (match-string 3 address)
+ "nntp"))))))
+
+(defun gnus-split-string (string pattern)
+ "Return a list of substrings of STRING which are separated by PATTERN."
+ (let (parts (start 0))
+ (while (string-match pattern string start)
+ (setq parts (cons (substring string start (match-beginning 0)) parts)
+ start (match-end 0)))
+ (nreverse (cons (substring string start) parts))))
+
+(defun gnus-url-parse-query-string (query &optional downcase)
+ (let (retval pairs cur key val)
+ (setq pairs (gnus-split-string query "&"))
+ (while pairs
+ (setq cur (car pairs)
+ pairs (cdr pairs))
+ (if (not (string-match "=" cur))
+ nil ; Grace
+ (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
+ val (gnus-url-unhex-string (substring cur (match-end 0) nil)))
+ (if downcase
+ (setq key (downcase key)))
+ (setq cur (assoc key retval))
+ (if cur
+ (setcdr cur (cons val (cdr cur)))
+ (setq retval (cons (list key val) retval)))))
+ retval))
+
+(defun gnus-url-unhex (x)
+ (if (> x ?9)
+ (if (>= x ?a)
+ (+ 10 (- x ?a))
+ (+ 10 (- x ?A)))
+ (- x ?0)))
+
+(defun gnus-url-unhex-string (str &optional allow-newlines)
+ "Remove %XXX embedded spaces, etc in a url.
+If optional second argument ALLOW-NEWLINES is non-nil, then allow the
+decoding of carriage returns and line feeds in the string, which is normally
+forbidden in URL encoding."
+ (setq str (or str ""))
+ (let ((tmp "")
+ (case-fold-search t))
+ (while (string-match "%[0-9a-f][0-9a-f]" str)
+ (let* ((start (match-beginning 0))
+ (ch1 (gnus-url-unhex (elt str (+ start 1))))
+ (code (+ (* 16 ch1)
+ (gnus-url-unhex (elt str (+ start 2))))))
+ (setq tmp (concat
+ tmp (substring str 0 start)
+ (cond
+ (allow-newlines
+ (char-to-string code))
+ ((or (= code ?\n) (= code ?\r))
+ " ")
+ (t (char-to-string code))))
+ str (substring str (match-end 0)))))
+ (setq tmp (concat tmp str))
+ tmp))
+
+(defun gnus-url-mailto (url)
+ ;; Send mail to someone
+ (if (not (string-match "mailto:/*\\(.*\\)" url))
+ (error "Malformed mailto link: %s" url))
+ (setq url (substring url (match-beginning 1) nil))
+ (let (to args source-url subject func)
+ (if (string-match (regexp-quote "?") url)
+ (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0)))
+ args (gnus-url-parse-query-string
+ (substring url (match-end 0) nil) t))
+ (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))))
+
+(defun gnus-button-mailto (address)
+ ;; Mail to ADDRESS.
+ (set-buffer (gnus-copy-article-buffer))
+ (message-reply address))
+
+(defun gnus-button-reply (address)
+ ;; Reply to ADDRESS.
+ (message-reply address))
+
+(defun gnus-button-url (address)
+ "Browse ADDRESS."
+ (funcall browse-url-browser-function address))
+
+(defun gnus-button-embedded-url (address)
+ "Browse ADDRESS."
+ (funcall browse-url-browser-function (gnus-strip-whitespace address)))
+
+;;; Next/prev buttons in the article buffer.
+
+(defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
+(defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
+
+(defvar gnus-prev-page-map nil)
+(unless gnus-prev-page-map
+ (setq gnus-prev-page-map (make-sparse-keymap))
+ (define-key gnus-prev-page-map gnus-mouse-2 'gnus-button-prev-page)
+ (define-key gnus-prev-page-map "\r" 'gnus-button-prev-page))
+
+(defun gnus-insert-prev-page-button ()
+ (let ((buffer-read-only nil))
+ (gnus-eval-format
+ gnus-prev-page-line-format nil
+ `(gnus-prev t local-map ,gnus-prev-page-map
+ gnus-callback gnus-article-button-prev-page))))
+
+(defvar gnus-next-page-map nil)
+(unless gnus-next-page-map
+ (setq gnus-next-page-map (make-keymap))
+ (suppress-keymap gnus-prev-page-map)
+ (define-key gnus-next-page-map gnus-mouse-2 'gnus-button-next-page)
+ (define-key gnus-next-page-map "\r" 'gnus-button-next-page))
+
+(defun gnus-button-next-page ()
+ "Go to the next page."
+ (interactive)
+ (let ((win (selected-window)))
+ (select-window (get-buffer-window gnus-article-buffer t))
+ (gnus-article-next-page)
+ (select-window win)))
+
+(defun gnus-button-prev-page ()
+ "Go to the prev page."
+ (interactive)
+ (let ((win (selected-window)))
+ (select-window (get-buffer-window gnus-article-buffer t))
+ (gnus-article-prev-page)
+ (select-window win)))
+
+(defun gnus-insert-next-page-button ()
+ (let ((buffer-read-only nil))
+ (gnus-eval-format gnus-next-page-line-format nil
+ `(gnus-next t local-map ,gnus-next-page-map
+ gnus-callback
+ gnus-article-button-next-page))))
+
+(defun gnus-article-button-next-page (arg)
+ "Go to the next page."
+ (interactive "P")
+ (let ((win (selected-window)))
+ (select-window (get-buffer-window gnus-article-buffer t))
+ (gnus-article-next-page)
+ (select-window win)))
+
+(defun gnus-article-button-prev-page (arg)
+ "Go to the prev page."
+ (interactive "P")
+ (let ((win (selected-window)))
+ (select-window (get-buffer-window gnus-article-buffer t))
+ (gnus-article-prev-page)
+ (select-window win)))
+
+(gnus-ems-redefine)
+
(provide 'gnus-art)
+(run-hooks 'gnus-art-load-hook)
+
;;; gnus-art.el ends here
projects / gnus / blobdiff