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+;;; gnus-vis.el --- display-oriented parts of Gnus
+;; Copyright (C) 1995 Free Software Foundation, Inc.
+
+;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Per Abrahamsen <abraham@iesd.auc.dk>
+;; Keywords: news
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING. If not, write to
+;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+;;; Commentary:
+
+;;; Code:
+
+(require 'gnus)
+(require 'gnus-ems)
+(require 'easymenu)
+(require 'custom)
+
+(defvar gnus-group-menu-hook nil
+ "*Hook run after the creation of the group mode menu.")
+
+(defvar gnus-summary-menu-hook nil
+ "*Hook run after the creation of the summary mode menu.")
+
+(defvar gnus-article-menu-hook nil
+ "*Hook run after the creation of the article mode menu.")
+
+(defvar gnus-server-menu-hook nil
+ "*Hook run after the creation of the server mode menu.")
+
+(defvar gnus-browse-menu-hook nil
+ "*Hook run after the creation of the browse mode menu.")
+
+;;; Summary highlights.
+
+;(defvar gnus-summary-highlight-properties
+; '((unread "ForestGreen" "green")
+; (ticked "Firebrick" "pink")
+; (read "black" "white")
+; (low italic italic)
+; (high bold bold)
+; (canceled "yellow/black" "black/yellow")))
+
+;(defvar gnus-summary-highlight-translation
+; '(((unread (= mark gnus-unread-mark))
+; (ticked (or (= mark gnus-ticked-mark) (= mark gnus-dormant-mark)))
+; (read (not (or (= mark gnus-unread-mark) (= mark gnus-dormant-mark)
+; (= mark gnus-ticked-mark) (= mark gnus-canceled-mark))))
+; (canceled (= mark gnus-canceled-mark)))
+; ((low (< score gnus-summary-default-score))
+; (high (> score gnus-summary-default-score)))))
+
+;(defun gnus-visual-map-face-translation ()
+; (let ((props gnus-summary-highlight-properties)
+; (trans gnus-summary-highlight-translation)
+; map)
+; (while props)))
+
+;see gnus-cus.el
+;(defvar gnus-summary-selected-face 'underline
+; "*Face used for highlighting the current article in the summary buffer.")
+
+;see gnus-cus.el
+;(defvar gnus-summary-highlight
+; (cond ((not (eq gnus-display-type 'color))
+; '(((> score default) . bold)
+; ((< score default) . italic)))
+; ((eq gnus-background-mode 'dark)
+; (list (cons '(= mark gnus-canceled-mark)
+; (custom-face-lookup "yellow" "black" nil nil nil nil))
+; (cons '(and (> score default)
+; (or (= mark gnus-dormant-mark)
+; (= mark gnus-ticked-mark)))
+; (custom-face-lookup "pink" nil nil t nil nil))
+; (cons '(and (< score default)
+; (or (= mark gnus-dormant-mark)
+; (= mark gnus-ticked-mark)))
+; (custom-face-lookup "pink" nil nil nil t nil))
+; (cons '(or (= mark gnus-dormant-mark)
+; (= mark gnus-ticked-mark))
+; (custom-face-lookup "pink" nil nil nil nil nil))
+
+; (cons '(and (> score default) (= mark gnus-ancient-mark))
+; (custom-face-lookup "SkyBlue" nil nil t nil nil))
+; (cons '(and (< score default) (= mark gnus-ancient-mark))
+; (custom-face-lookup "SkyBlue" nil nil nil t nil))
+; (cons '(= mark gnus-ancient-mark)
+; (custom-face-lookup "SkyBlue" nil nil nil nil nil))
+
+; (cons '(and (> score default) (= mark gnus-unread-mark))
+; (custom-face-lookup "white" nil nil t nil nil))
+; (cons '(and (< score default) (= mark gnus-unread-mark))
+; (custom-face-lookup "white" nil nil nil t nil))
+; (cons '(= mark gnus-unread-mark)
+; (custom-face-lookup "white" nil nil nil nil nil))
+
+; (cons '(> score default) 'bold)
+; (cons '(< score default) 'italic)))
+; (t
+; (list (cons '(= mark gnus-canceled-mark)
+; (custom-face-lookup "yellow" "black" nil nil nil nil))
+; (cons '(and (> score default)
+; (or (= mark gnus-dormant-mark)
+; (= mark gnus-ticked-mark)))
+; (custom-face-lookup "firebrick" nil nil t nil nil))
+; (cons '(and (< score default)
+; (or (= mark gnus-dormant-mark)
+; (= mark gnus-ticked-mark)))
+; (custom-face-lookup "firebrick" nil nil nil t nil))
+; (cons '(or (= mark gnus-dormant-mark)
+; (= mark gnus-ticked-mark))
+; (custom-face-lookup "firebrick" nil nil nil nil nil))
+
+; (cons '(and (> score default) (= mark gnus-ancient-mark))
+; (custom-face-lookup "RoyalBlue" nil nil t nil nil))
+; (cons '(and (< score default) (= mark gnus-ancient-mark))
+; (custom-face-lookup "RoyalBlue" nil nil nil t nil))
+; (cons '(= mark gnus-ancient-mark)
+; (custom-face-lookup "RoyalBlue" nil nil nil nil nil))
+
+; (cons '(and (> score default) (/= mark gnus-unread-mark))
+; (custom-face-lookup "DarkGreen" nil nil t nil nil))
+; (cons '(and (< score default) (/= mark gnus-unread-mark))
+; (custom-face-lookup "DarkGreen" nil nil nil t nil))
+; (cons '(/= mark gnus-unread-mark)
+; (custom-face-lookup "DarkGreen" nil nil nil nil nil))
+
+; (cons '(> score default) 'bold)
+; (cons '(< score default) 'italic))))
+; "*Alist of `(FORM . FACE)'.
+;Summary lines are highlighted with the FACE for the first FORM which
+;evaluate to a non-nil value.
+
+;Point will be at the beginning of the line when FORM is evaluated.
+;The following can be used for convenience:
+
+;score: (gnus-summary-article-score)
+;default: gnus-summary-default-score
+;below: gnus-summary-mark-below
+;mark: (gnus-summary-article-mark)
+
+;The latter can be used like this:
+; ((= mark gnus-replied-mark) . underline)")
+
+;;; article highlights
+
+;see gnus-cus.el
+;(defvar gnus-header-face-alist
+; (cond ((not (eq gnus-display-type 'color))
+; '(("" bold italic)))
+; ((eq gnus-background-mode 'dark)
+; (list (list "From" nil
+; (custom-face-lookup "SkyBlue" nil nil t t nil))
+; (list "Subject" nil
+; (custom-face-lookup "pink" nil nil t t nil))
+; (list "Newsgroups:.*," nil
+; (custom-face-lookup "yellow" nil nil t t nil))
+; (list ""
+; (custom-face-lookup "cyan" nil nil t nil nil)
+; (custom-face-lookup "green" nil nil nil t nil))))
+; (t
+; (list (list "From" nil
+; (custom-face-lookup "RoyalBlue" nil nil t t nil))
+; (list "Subject" nil
+; (custom-face-lookup "firebrick" nil nil t t nil))
+; (list "Newsgroups:.*," nil
+; (custom-face-lookup "red" nil nil t t nil))
+; (list ""
+; (custom-face-lookup "DarkGreen" nil nil t nil nil)
+; (custom-face-lookup "DarkGreen" nil nil nil t nil)))))
+; "Alist of headers and faces used for highlighting them.
+;The entries in the list has the form `(REGEXP NAME CONTENT)', where
+;REGEXP is a regular expression matching the beginning of the header,
+;NAME is the face used for highlighting the header name and CONTENT is
+;the face used for highlighting the header content.
+
+;The first non-nil NAME or CONTENT with a matching REGEXP in the list
+;will be used.")
+
+
+;see gnus-cus.el
+;(defvar gnus-make-foreground t
+; "Non nil means foreground color to highlight citations.")
+
+;see gnus-cus.el
+;(defvar gnus-article-button-face 'bold
+; "Face used for text buttons.")
+
+;see gnus-cus.el
+;(defvar gnus-article-mouse-face (if (boundp 'gnus-mouse-face)
+; gnus-mouse-face
+; 'highlight)
+; "Face used when the mouse is over the button.")
+
+;see gnus-cus.el
+;(defvar gnus-signature-face 'italic
+; "Face used for signature.")
+
+(defvar gnus-button-alist
+ '(("in\\( +article\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
+ (assq (count-lines (point-min) (match-end 0))
+ gnus-cite-attribution-alist)
+ gnus-button-message-id 3)
+ ;; This is how URLs _should_ be embedded in text...
+ ("<URL:\\([^\n\r>]*\\)>" 0 t gnus-button-url 1)
+ ;; Next regexp stolen from highlight-headers.el.
+ ;; Modified by Vladimir Alexiev.
+ ("\\b\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?[-a-zA-Z0-9_=?#$@~`%&*+|\\/.,]*[-a-zA-Z0-9_=#$@~`%&*+|\\/]" 0 t gnus-button-url 0))
+ "Alist of regexps matching buttons in an article.
+
+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.")
+
+;see gnus-cus.el
+;(eval-when-compile
+; (defvar browse-url-browser-function))
+
+;see gnus-cus.el
+;(defvar gnus-button-url
+; (cond ((boundp 'browse-url-browser-function) browse-url-browser-function)
+; ((fboundp 'w3-fetch) 'w3-fetch)
+; ((eq window-system 'x) 'gnus-netscape-open-url))
+; "*Function to fetch URL.
+;The function will be called with one argument, the URL to fetch.
+;Useful values of this function are:
+
+;w3-fetch:
+; defined in the w3 emacs package by William M. Perry.
+;gnus-netscape-open-url:
+; open url in existing netscape, start netscape if none found.
+;gnus-netscape-start-url:
+; start new netscape with url.")
+
+
+
+(eval-and-compile
+ (autoload 'nnkiboze-generate-groups "nnkiboze")
+ (autoload 'gnus-cite-parse-maybe "gnus-cite" nil t))
+
+;;;
+;;; gnus-menu
+;;;
+
+(defun gnus-visual-turn-off-edit-menu (type)
+ (define-key (symbol-value (intern (format "gnus-%s-mode-map" type)))
+ [menu-bar edit] 'undefined))
+
+;; Newsgroup buffer
+
+(defun gnus-group-make-menu-bar ()
+ (gnus-visual-turn-off-edit-menu 'group)
+ (or
+ (boundp 'gnus-group-reading-menu)
+ (progn
+ (easy-menu-define
+ gnus-group-reading-menu
+ gnus-group-mode-map
+ ""
+ '("Group"
+ ["Read" gnus-group-read-group t]
+ ["Select" gnus-group-select-group t]
+ ["See old articles" gnus-group-select-group-all t]
+ ["Catch up" gnus-group-catchup-current t]
+ ["Catch up all articles" gnus-group-catchup-current-all t]
+ ["Check for new articles" gnus-group-get-new-news-this-group t]
+ ["Toggle subscription" gnus-group-unsubscribe-current-group t]
+ ["Kill" gnus-group-kill-group t]
+ ["Yank" gnus-group-yank-group t]
+ ["Describe" gnus-group-describe-group t]
+ ["Fetch FAQ" gnus-group-fetch-faq t]
+ ["Edit kill file" gnus-group-edit-local-kill t]
+ ["Expire articles" gnus-group-expire-articles t]
+ ["Set group level" gnus-group-set-current-level t]
+ ))
+
+ (easy-menu-define
+ gnus-group-group-menu
+ gnus-group-mode-map
+ ""
+ '("Groups"
+ ("Listing"
+ ["List subscribed groups" gnus-group-list-groups t]
+ ["List all groups" gnus-group-list-all-groups t]
+ ["List groups matching..." gnus-group-list-matching t]
+ ["List killed groups" gnus-group-list-killed t]
+ ["List zombie groups" gnus-group-list-zombies t]
+ ["Describe all groups" gnus-group-describe-all-groups t]
+ ["Group apropos" gnus-group-apropos t]
+ ["Group and description apropos" gnus-group-description-apropos t]
+ ["List groups matching..." gnus-group-list-matching t])
+ ("Mark"
+ ["Mark group" gnus-group-mark-group t]
+ ["Unmark group" gnus-group-unmark-group t]
+ ["Mark region" gnus-group-mark-region t])
+ ("Subscribe"
+ ["Subscribe to random group" gnus-group-unsubscribe-group t]
+ ["Kill all newsgroups in region" gnus-group-kill-region t]
+ ["Kill all zombie groups" gnus-group-kill-all-zombies t])
+ ("Foreign groups"
+ ["Make a foreign group" gnus-group-make-group t]
+ ["Add a directory group" gnus-group-make-directory-group t]
+ ["Add the help group" gnus-group-make-help-group t]
+ ["Add the archive group" gnus-group-make-archive-group t]
+ ["Make a doc group" gnus-group-make-doc-group t]
+ ["Make a kiboze group" gnus-group-make-kiboze-group t]
+ ["Make a virtual group" gnus-group-make-empty-virtual t]
+ ["Add a group to a virtual" gnus-group-add-to-virtual t])
+ ("Editing groups"
+ ["Parameters" gnus-group-edit-group-parameters t]
+ ["Select method" gnus-group-edit-group-method t]
+ ["Info" gnus-group-edit-group t])
+ ["Read a directory as a group" gnus-group-enter-directory t]
+ ["Jump to group" gnus-group-jump-to-group t]
+ ["Best unread group" gnus-group-best-unread-group t]
+ ))
+
+ (easy-menu-define
+ gnus-group-misc-menu
+ gnus-group-mode-map
+ ""
+ '("Misc"
+ ["Send a bug report" gnus-bug t]
+ ["Send a mail" gnus-group-mail t]
+ ["Post an article" gnus-group-post-news t]
+ ["Customize score file" gnus-score-customize
+ (not (string-match "XEmacs" emacs-version)) ]
+ ["Check for new news" gnus-group-get-new-news t]
+ ["Delete bogus groups" gnus-group-check-bogus-groups t]
+ ["Find new newsgroups" gnus-find-new-newsgroups t]
+ ["Restart Gnus" gnus-group-restart t]
+ ["Read init file" gnus-group-read-init-file t]
+ ["Browse foreign server" gnus-group-browse-foreign-server t]
+ ["Enter server buffer" gnus-group-enter-server-mode t]
+ ["Expire expirable articles" gnus-group-expire-all-groups t]
+ ["Generate any kiboze groups" nnkiboze-generate-groups t]
+ ["Gnus version" gnus-version t]
+ ["Save .newsrc files" gnus-group-save-newsrc t]
+ ["Suspend Gnus" gnus-group-suspend t]
+ ["Clear dribble buffer" gnus-group-clear-dribble t]
+ ["Exit from Gnus" gnus-group-exit t]
+ ["Exit without saving" gnus-group-quit t]
+ ["Edit global kill file" gnus-group-edit-global-kill t]
+ ["Sort group buffer" gnus-group-sort-groups t]
+ ))
+ (run-hooks 'gnus-group-menu-hook)
+ )))
+
+;; Server mode
+(defun gnus-server-make-menu-bar ()
+ (gnus-visual-turn-off-edit-menu 'server)
+ (or
+ (boundp 'gnus-server-menu)
+ (progn
+ (easy-menu-define
+ gnus-server-menu
+ gnus-server-mode-map
+ ""
+ '("Server"
+ ["Add" gnus-server-add-server t]
+ ["Browse" gnus-server-read-server t]
+ ["List" gnus-server-list-servers t]
+ ["Kill" gnus-server-kill-server t]
+ ["Yank" gnus-server-yank-server t]
+ ["Copy" gnus-server-copy-server t]
+ ["Edit" gnus-server-edit-server t]
+ ["Exit" gnus-server-exit t]
+ ))
+ (run-hooks 'gnus-server-menu-hook)
+ )))
+
+;; Browse mode
+(defun gnus-browse-make-menu-bar ()
+ (gnus-visual-turn-off-edit-menu 'browse)
+ (or
+ (boundp 'gnus-browse-menu)
+ (progn
+ (easy-menu-define
+ gnus-browse-menu
+ gnus-browse-mode-map
+ ""
+ '("Browse"
+ ["Subscribe" gnus-browse-unsubscribe-current-group t]
+ ["Read" gnus-group-read-group t]
+ ["Exit" gnus-browse-exit t]
+ ))
+ (run-hooks 'gnus-browse-menu-hook)
+ )))
+
+
+;; Summary buffer
+(defun gnus-summary-make-menu-bar ()
+ (gnus-visual-turn-off-edit-menu 'summary)
+
+ (or
+ (boundp 'gnus-summary-misc-menu)
+ (progn
+
+ (easy-menu-define
+ gnus-summary-misc-menu
+ gnus-summary-mode-map
+ ""
+ '("Misc"
+ ("Mark"
+ ("Read"
+ ["Mark as read" gnus-summary-mark-as-read-forward t]
+ ["Mark same subject and select" gnus-summary-kill-same-subject-and-select t]
+ ["Mark same subject" gnus-summary-kill-same-subject t]
+ ["Catchup" gnus-summary-catchup t]
+ ["Catchup all" gnus-summary-catchup-all t]
+ ["Catchup to here" gnus-summary-catchup-to-here t]
+ ["Catchup region" gnus-summary-mark-region-as-read t])
+ ("Various"
+ ["Tick" gnus-summary-tick-article-forward t]
+ ["Mark as dormant" gnus-summary-mark-as-dormant t]
+ ["Remove marks" gnus-summary-clear-mark-forward t]
+ ["Set expirable mark" gnus-summary-mark-as-expirable t]
+ ["Set bookmark" gnus-summary-set-bookmark t]
+ ["Remove bookmark" gnus-summary-remove-bookmark t])
+ ("Display"
+ ["Remove lines marked as read" gnus-summary-remove-lines-marked-as-read t]
+ ["Remove lines marked with..." gnus-summary-remove-lines-marked-with t]
+ ["Show dormant articles" gnus-summary-show-all-dormant t]
+ ["Hide dormant articles" gnus-summary-hide-all-dormant t]
+ ["Show expunged articles" gnus-summary-show-all-expunged t])
+ ("Process mark"
+ ["Set mark" gnus-summary-mark-as-processable t]
+ ["Remove mark" gnus-summary-unmark-as-processable t]
+ ["Remove all marks" gnus-summary-unmark-all-processable t]
+ ["Mark series" gnus-uu-mark-series t]
+ ["Mark region" gnus-uu-mark-region t]
+ ["Mark by regexp" gnus-uu-mark-by-regexp t]
+ ["Mark all" gnus-uu-mark-all t]
+ ["Mark sparse" gnus-uu-mark-sparse t]
+ ["Mark thread" gnus-uu-mark-thread t]))
+ ("Move"
+ ["Scroll article forwards" gnus-summary-next-page t]
+ ["Next unread article" gnus-summary-next-unread-article t]
+ ["Previous unread article" gnus-summary-prev-unread-article t]
+ ["Next article" gnus-summary-next-article t]
+ ["Previous article" gnus-summary-prev-article t]
+ ["Next article same subject" gnus-summary-next-same-subject t]
+ ["Previous article same subject" gnus-summary-prev-same-subject t]
+ ["First unread article" gnus-summary-first-unread-article t]
+ ["Go to subject number..." gnus-summary-goto-subject t]
+ ["Go to the last article" gnus-summary-goto-last-article t]
+ ["Pop article off history" gnus-summary-pop-article t])
+ ("Sort"
+ ["Sort by number" gnus-summary-sort-by-number t]
+ ["Sort by author" gnus-summary-sort-by-author t]
+ ["Sort by subject" gnus-summary-sort-by-subject t]
+ ["Sort by date" gnus-summary-sort-by-date t]
+ ["Sort by score" gnus-summary-sort-by-score t])
+ ("Exit"
+ ["Catchup and exit" gnus-summary-catchup-and-exit t]
+ ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
+ ["Exit group" gnus-summary-exit t]
+ ["Exit group without updating" gnus-summary-exit-no-update t]
+ ["Reselect group" gnus-summary-reselect-current-group t]
+ ["Rescan group" gnus-summary-rescan-group t])
+ ["Fetch group FAQ" gnus-summary-fetch-faq t]
+ ["Filter articles" gnus-summary-execute-command t]
+ ["Toggle line truncation" gnus-summary-toggle-truncation t]
+ ["Expire expirable articles" gnus-summary-expire-articles t]
+ ["Describe group" gnus-summary-describe-group t]
+ ["Edit local kill file" gnus-summary-edit-local-kill t]
+ ))
+
+ (easy-menu-define
+ gnus-summary-kill-menu
+ gnus-summary-mode-map
+ ""
+ (cons
+ "Score"
+ (nconc
+ (list
+ ["Enter score" gnus-summary-score-entry t])
+ (gnus-visual-score-map 'increase)
+ (gnus-visual-score-map 'lower)
+ '(["Current score" gnus-summary-current-score t]
+ ["Set score" gnus-summary-set-score t]
+ ["Customize score file" gnus-score-customize t]
+ ["Switch current score file" gnus-score-change-score-file t]
+ ["Set mark below" gnus-score-set-mark-below t]
+ ["Set expunge below" gnus-score-set-expunge-below t]
+ ["Edit current score file" gnus-score-edit-alist t]
+ ["Edit score file" gnus-score-edit-file t]
+ ["Trace score" gnus-score-find-trace t]
+ ["Increase score" gnus-summary-increase-score t]
+ ["Lower score" gnus-summary-lower-score t]))))
+
+ (and nil
+ '(("Default header"
+ ["Ask" (gnus-score-set-default 'gnus-score-default-header nil)
+ :style radio
+ :selected (null gnus-score-default-header)]
+ ["From" (gnus-score-set-default 'gnus-score-default-header 'a)
+ :style radio
+ :selected (eq gnus-score-default-header 'a )]
+ ["Subject" (gnus-score-set-default 'gnus-score-default-header 's)
+ :style radio
+ :selected (eq gnus-score-default-header 's )]
+ ["Article body"
+ (gnus-score-set-default 'gnus-score-default-header 'b)
+ :style radio
+ :selected (eq gnus-score-default-header 'b )]
+ ["All headers"
+ (gnus-score-set-default 'gnus-score-default-header 'h)
+ :style radio
+ :selected (eq gnus-score-default-header 'h )]
+ ["Message-Id" (gnus-score-set-default 'gnus-score-default-header 'i)
+ :style radio
+ :selected (eq gnus-score-default-header 'i )]
+ ["Thread" (gnus-score-set-default 'gnus-score-default-header 't)
+ :style radio
+ :selected (eq gnus-score-default-header 't )]
+ ["Crossposting"
+ (gnus-score-set-default 'gnus-score-default-header 'x)
+ :style radio
+ :selected (eq gnus-score-default-header 'x )]
+ ["Lines" (gnus-score-set-default 'gnus-score-default-header 'l)
+ :style radio
+ :selected (eq gnus-score-default-header 'l )]
+ ["Date" (gnus-score-set-default 'gnus-score-default-header 'd)
+ :style radio
+ :selected (eq gnus-score-default-header 'd )]
+ ["Followups to author"
+ (gnus-score-set-default 'gnus-score-default-header 'f)
+ :style radio
+ :selected (eq gnus-score-default-header 'f )])
+ ("Default type"
+ ["Ask" (gnus-score-set-default 'gnus-score-default-type nil)
+ :style radio
+ :selected (null gnus-score-default-type)]
+ ;; The `:active' key is commented out in the following,
+ ;; because the GNU Emacs hack to support radio buttons use
+ ;; active to indicate which button is selected.
+ ["Substring" (gnus-score-set-default 'gnus-score-default-type 's)
+ :style radio
+ ;; :active (not (memq gnus-score-default-header '(l d)))
+ :selected (eq gnus-score-default-type 's)]
+ ["Regexp" (gnus-score-set-default 'gnus-score-default-type 'r)
+ :style radio
+ ;; :active (not (memq gnus-score-default-header '(l d)))
+ :selected (eq gnus-score-default-type 'r)]
+ ["Exact" (gnus-score-set-default 'gnus-score-default-type 'e)
+ :style radio
+ ;; :active (not (memq gnus-score-default-header '(l d)))
+ :selected (eq gnus-score-default-type 'e)]
+ ["Fuzzy" (gnus-score-set-default 'gnus-score-default-type 'f)
+ :style radio
+ ;; :active (not (memq gnus-score-default-header '(l d)))
+ :selected (eq gnus-score-default-type 'f)]
+ ["Before date" (gnus-score-set-default 'gnus-score-default-type 'b)
+ :style radio
+ ;; :active (eq (gnus-score-default-header 'd))
+ :selected (eq gnus-score-default-type 'b)]
+ ["At date" (gnus-score-set-default 'gnus-score-default-type 'n)
+ :style radio
+ ;; :active (eq (gnus-score-default-header 'd))
+ :selected (eq gnus-score-default-type 'n)]
+ ["After date" (gnus-score-set-default 'gnus-score-default-type 'a)
+ :style radio
+ ;; :active (eq (gnus-score-default-header 'd))
+ :selected (eq gnus-score-default-type 'a)]
+ ["Less than number"
+ (gnus-score-set-default 'gnus-score-default-type '<)
+ :style radio
+ ;; :active (eq (gnus-score-default-header 'l))
+ :selected (eq gnus-score-default-type '<)]
+ ["Equal to number"
+ (gnus-score-set-default 'gnus-score-default-type '=)
+ :style radio
+ ;; :active (eq (gnus-score-default-header 'l))
+ :selected (eq gnus-score-default-type '=)]
+ ["Greater than number"
+ (gnus-score-set-default 'gnus-score-default-type '>)
+ :style radio
+ ;; :active (eq (gnus-score-default-header 'l))
+ :selected (eq gnus-score-default-type '>)])
+ ["Default fold" gnus-score-default-fold-toggle
+ :style toggle
+ :selected gnus-score-default-fold]
+ ("Default duration"
+ ["Ask" (gnus-score-set-default 'gnus-score-default-duration nil)
+ :style radio
+ :selected (null gnus-score-default-duration)]
+ ["Permanent"
+ (gnus-score-set-default 'gnus-score-default-duration 'p)
+ :style radio
+ :selected (eq gnus-score-default-duration 'p)]
+ ["Temporary"
+ (gnus-score-set-default 'gnus-score-default-duration 't)
+ :style radio
+ :selected (eq gnus-score-default-duration 't)]
+ ["Immediate"
+ (gnus-score-set-default 'gnus-score-default-duration 'i)
+ :style radio
+ :selected (eq gnus-score-default-duration 'i)])
+ ))
+
+ (easy-menu-define
+ gnus-summary-article-menu
+ gnus-summary-mode-map
+ ""
+ '("Article"
+ ("Hide"
+ ["All" gnus-article-hide t]
+ ["Headers" gnus-article-hide-headers t]
+ ["Signature" gnus-article-hide-signature t]
+ ["Citation" gnus-article-hide-citation t])
+ ("Highlight"
+ ["All" gnus-article-highlight t]
+ ["Headers" gnus-article-highlight-headers t]
+ ["Signature" gnus-article-highlight-signature t]
+ ["Citation" gnus-article-highlight-citation t])
+ ("Date"
+ ["Local" gnus-article-date-local t]
+ ["UT" gnus-article-date-ut t]
+ ["Lapsed" gnus-article-date-lapsed t])
+ ("Filter"
+ ["Overstrike" gnus-article-treat-overstrike t]
+ ["Word wrap" gnus-article-word-wrap t]
+ ["CR" gnus-article-remove-cr t]
+ ["Show X-Face" gnus-article-display-x-face t]
+ ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
+ ["Rot 13" gnus-summary-caesar-message t]
+ ["Add buttons" gnus-article-add-buttons t]
+ ["Stop page breaking" gnus-summary-stop-page-breaking t]
+ ["Toggle MIME" gnus-summary-toggle-mime t]
+ ["Toggle header" gnus-summary-toggle-header t])
+ ("Output"
+ ["Save in default format" gnus-summary-save-article t]
+ ["Save in file" gnus-summary-save-article-file t]
+ ["Save in Unix mail format" gnus-summary-save-article-mail t]
+ ["Save in MH folder" gnus-summary-save-article-folder t]
+ ["Save in VM folder" gnus-summary-save-article-vm t]
+ ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
+ ["Pipe through a filter" gnus-summary-pipe-output t])
+ ("Backend"
+ ["Respool article" gnus-summary-respool-article t]
+ ["Move article" gnus-summary-move-article t]
+ ["Copy article" gnus-summary-copy-article t]
+ ["Import file" gnus-summary-import-article t]
+ ["Edit article" gnus-summary-edit-article t]
+ ["Delete article" gnus-summary-delete-article t])
+ ("Extract"
+ ["Uudecode" gnus-uu-decode-uu t]
+ ["Uudecode and save" gnus-uu-decode-uu-and-save t]
+ ["Unshar" gnus-uu-decode-unshar t]
+ ["Unshar and save" gnus-uu-decode-unshar-and-save t]
+ ["Save" gnus-uu-decode-save t]
+ ["Binhex" gnus-uu-decode-binhex t])
+ ["Enter digest buffer" gnus-summary-enter-digest-group t]
+ ["Isearch article" gnus-summary-isearch-article t]
+ ["Search all articles" gnus-summary-search-article-forward t]
+ ["Beginning of the article" gnus-summary-beginning-of-article t]
+ ["End of the article" gnus-summary-end-of-article t]
+ ["Fetch parent of article" gnus-summary-refer-parent-article t]
+ ["Fetch article with id..." gnus-summary-refer-article t]
+ ["Redisplay" gnus-summary-show-article t]))
+
+
+
+ (easy-menu-define
+ gnus-summary-thread-menu
+ gnus-summary-mode-map
+ ""
+ '("Threads"
+ ["Toggle threading" gnus-summary-toggle-threads t]
+ ["Display hidden thread" gnus-summary-show-thread t]
+ ["Hide thread" gnus-summary-hide-thread t]
+ ["Go to next thread" gnus-summary-next-thread t]
+ ["Go to previous thread" gnus-summary-prev-thread t]
+ ["Go down thread" gnus-summary-down-thread t]
+ ["Go up thread" gnus-summary-up-thread t]
+ ["Mark thread as read" gnus-summary-kill-thread t]
+ ["Lower thread score" gnus-summary-lower-thread t]
+ ["Raise thread score" gnus-summary-raise-thread t]
+ ))
+ (easy-menu-define
+ gnus-summary-post-menu
+ gnus-summary-mode-map
+ ""
+ '("Post"
+ ["Post an article" gnus-summary-post-news t]
+ ["Followup" gnus-summary-followup t]
+ ["Followup and yank" gnus-summary-followup-with-original t]
+ ["Supersede article" gnus-summary-supersede-article t]
+ ["Cancel article" gnus-summary-cancel-article t]
+ ["Reply" gnus-summary-reply t]
+ ["Reply and yank" gnus-summary-reply-with-original t]
+ ["Mail forward" gnus-summary-mail-forward t]
+ ["Post forward" gnus-summary-post-forward t]
+ ["Digest and mail" gnus-uu-digest-mail-forward t]
+ ["Digest and post" gnus-uu-digest-post-forward t]
+ ["Send a mail" gnus-summary-mail-other-window t]
+ ["Reply & followup" gnus-summary-followup-and-reply t]
+ ["Reply & followup and yank" gnus-summary-followup-and-reply-with-original t]
+ ["Uuencode and post" gnus-uu-post-news t]
+ ))
+ (run-hooks 'gnus-summary-menu-hook)
+ )))
+
+(defun gnus-score-set-default (var value)
+ ;; A version of set that updates the GNU Emacs menu-bar.
+ (set var value)
+ ;; It is the message that forces the active status to be updated.
+ (message ""))
+
+(defvar gnus-score-default-header nil
+ "Default header when entering new scores.
+
+Should be one of the following symbols.
+
+ a: from
+ s: subject
+ b: body
+ h: head
+ i: message-id
+ t: references
+ x: xref
+ l: lines
+ d: date
+ f: followup
+
+If nil, the user will be asked for a header.")
+
+(defvar gnus-score-default-type nil
+ "Default match type when entering new scores.
+
+Should be one of the following symbols.
+
+ s: substring
+ e: exact string
+ f: fuzzy string
+ r: regexp string
+ b: before date
+ a: at date
+ n: this date
+ <: less than number
+ >: greater than number
+ =: equal to number
+
+If nil, the user will be asked for a match type.")
+
+(defvar gnus-score-default-fold nil
+ "Use case folding for new score file entries iff not nil.")
+
+
+(defun gnus-score-default-fold-toggle ()
+ "Toggle folding for new score file entries."
+ (interactive)
+ (setq gnus-score-default-fold (not gnus-score-default-fold))
+ (if gnus-score-default-fold
+ (message "New score file entries will be case insensitive.")
+ (message "New score file entries will be case sensitive.")))
+
+(defvar gnus-score-default-duration nil
+ "Default duration of effect when entering new scores.
+
+Should be one of the following symbols.
+
+ t: temporary
+ p: permanent
+ i: immediate
+
+If nil, the user will be asked for a duration.")
+
+(defun gnus-visual-score-map (type)
+ (if t
+ nil
+ (let ((headers '(("author" "from" string)
+ ("subject" "subject" string)
+ ("article body" "body" string)
+ ("article head" "head" string)
+ ("xref" "xref" string)
+ ("lines" "lines" number)
+ ("followups to author" "followup" string)))
+ (types '((number ("less than" <)
+ ("greater than" >)
+ ("equal" =))
+ (string ("substring" s)
+ ("exact string" e)
+ ("fuzzy string" f)
+ ("regexp" r))))
+ (perms '(("temporary" (current-time-string))
+ ("permanent" nil)
+ ("immediate" now)))
+ header)
+ (list
+ (apply
+ 'nconc
+ (list
+ (if (eq type 'lower)
+ "Lower score"
+ "Increase score"))
+ (let (outh)
+ (while headers
+ (setq header (car headers))
+ (setq outh
+ (cons
+ (apply
+ 'nconc
+ (list (car header))
+ (let ((ts (cdr (assoc (nth 2 header) types)))
+ outt)
+ (while ts
+ (setq outt
+ (cons
+ (apply
+ 'nconc
+ (list (car (car ts)))
+ (let ((ps perms)
+ outp)
+ (while ps
+ (setq outp
+ (cons
+ (vector
+ (car (car ps))
+ (list
+ 'gnus-summary-score-entry
+ (nth 1 header)
+ (if (or (string= (nth 1 header)
+ "head")
+ (string= (nth 1 header)
+ "body"))
+ ""
+ (list 'gnus-summary-header
+ (nth 1 header)))
+ (list 'quote (nth 1 (car ts)))
+ (list 'gnus-score-default nil)
+ (nth 1 (car ps))
+ t)
+ t)
+ outp))
+ (setq ps (cdr ps)))
+ (list (nreverse outp))))
+ outt))
+ (setq ts (cdr ts)))
+ (list (nreverse outt))))
+ outh))
+ (setq headers (cdr headers)))
+ (list (nreverse outh))))))))
+
+;; Article buffer
+(defun gnus-article-make-menu-bar ()
+ (gnus-visual-turn-off-edit-menu 'summary)
+ (or
+ (boundp 'gnus-article-article-menu)
+ (progn
+ (easy-menu-define
+ gnus-article-article-menu
+ gnus-article-mode-map
+ ""
+ '("Article"
+ ["Scroll forwards" gnus-article-next-page t]
+ ["Scroll backwards" gnus-article-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]
+ ))
+ (run-hooks 'gnus-article-menu-hook)
+ )))
+
+;;;
+;;; summary highlights
+;;;
+
+(defun gnus-highlight-selected-summary ()
+ ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
+ ;; Highlight selected article in summary buffer
+ (if gnus-summary-selected-face
+ (save-excursion
+ (let* ((beg (progn (beginning-of-line) (point)))
+ (end (progn (end-of-line) (point)))
+ ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
+ (from (if (get-text-property beg 'mouse-face)
+ beg
+ (1+ (or (next-single-property-change
+ beg 'mouse-face nil end)
+ beg))))
+ (to (1- (or (next-single-property-change
+ from 'mouse-face nil end)
+ end))))
+ ;; If no mouse-face prop on line (e.g. xemacs) we
+ ;; will have to = from = end, so we highlight the
+ ;; entire line instead.
+ (if (= (+ to 2) from)
+ (progn
+ (setq from beg)
+ (setq to end)))
+ (if gnus-newsgroup-selected-overlay
+ (gnus-move-overlay gnus-newsgroup-selected-overlay
+ from to (current-buffer))
+ (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
+ (gnus-overlay-put gnus-newsgroup-selected-overlay 'face
+ gnus-summary-selected-face))))))
+
+;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
+(defun gnus-summary-highlight-line ()
+ "Highlight current line according to `gnus-summary-highlight'."
+ (let* ((list gnus-summary-highlight)
+ (p (point))
+ (end (progn (end-of-line) (point)))
+ ;; now find out where the line starts and leave point there.
+ (beg (progn (beginning-of-line) (point)))
+ (score (or (cdr (assq (or (get-text-property beg 'gnus-number)
+ gnus-current-article)
+ gnus-newsgroup-scored))
+ gnus-summary-default-score 0))
+ (default gnus-summary-default-score)
+ (mark (get-text-property beg 'gnus-mark))
+ (inhibit-read-only t))
+ (while (and list (not (eval (car (car list)))))
+ (setq list (cdr list)))
+ (let ((face (and list (cdr (car list)))))
+ (or (eobp)
+ (eq face (get-text-property beg 'face))
+ (put-text-property beg end 'face
+ (if (boundp face) (symbol-value face) face))))
+ (goto-char p)))
+
+;;;
+;;; gnus-carpal
+;;;
+
+(defvar gnus-carpal-group-buffer-buttons
+ '(("next" . gnus-group-next-unread-group)
+ ("prev" . gnus-group-prev-unread-group)
+ ("read" . gnus-group-read-group)
+ ("select" . gnus-group-select-group)
+ ("catch-up" . gnus-group-catchup-current)
+ ("new-news" . gnus-group-get-new-news-this-group)
+ ("toggle-sub" . gnus-group-unsubscribe-current-group)
+ ("subscribe" . gnus-group-unsubscribe-group)
+ ("kill" . gnus-group-kill-group)
+ ("yank" . gnus-group-yank-group)
+ ("describe" . gnus-group-describe-group)
+ "list"
+ ("subscribed" . gnus-group-list-groups)
+ ("all" . gnus-group-list-all-groups)
+ ("killed" . gnus-group-list-killed)
+ ("zombies" . gnus-group-list-zombies)
+ ("matching" . gnus-group-list-matching)
+ ("post" . gnus-group-post-news)
+ ("mail" . gnus-group-mail)
+ ("rescan" . gnus-group-get-new-news)
+ ("browse-foreign" . gnus-group-browse-foreign)
+ ("exit" . gnus-group-exit)))
+
+(defvar gnus-carpal-summary-buffer-buttons
+ '("mark"
+ ("read" . gnus-summary-mark-as-read-forward)
+ ("tick" . gnus-summary-tick-article-forward)
+ ("clear" . gnus-summary-clear-mark-forward)
+ ("expirable" . gnus-summary-mark-as-expirable)
+ "move"
+ ("scroll" . gnus-summary-next-page)
+ ("next-unread" . gnus-summary-next-unread-article)
+ ("prev-unread" . gnus-summary-prev-unread-article)
+ ("first" . gnus-summary-first-unread-article)
+ ("best" . gnus-summary-best-unread-article)
+ "article"
+ ("headers" . gnus-summary-toggle-header)
+ ("uudecode" . gnus-uu-decode-uu)
+ ("enter-digest" . gnus-summary-enter-digest-group)
+ ("fetch-parent" . gnus-summary-refer-parent-article)
+ "mail"
+ ("move" . gnus-summary-move-article)
+ ("copy" . gnus-summary-copy-article)
+ ("respool" . gnus-summary-respool-article)
+ "threads"
+ ("lower" . gnus-summary-lower-thread)
+ ("kill" . gnus-summary-kill-thread)
+ "post"
+ ("post" . gnus-summary-post-news)
+ ("mail" . gnus-summary-mail)
+ ("followup" . gnus-summary-followup-with-original)
+ ("reply" . gnus-summary-reply-with-original)
+ ("cancel" . gnus-summary-cancel-article)
+ "misc"
+ ("exit" . gnus-summary-exit)
+ ("fed-up" . gnus-summary-catchup-and-goto-next-group)))
+
+(defvar gnus-carpal-server-buffer-buttons
+ '(("add" . gnus-server-add-server)
+ ("browse" . gnus-server-browse-server)
+ ("list" . gnus-server-list-servers)
+ ("kill" . gnus-server-kill-server)
+ ("yank" . gnus-server-yank-server)
+ ("copy" . gnus-server-copy-server)
+ ("exit" . gnus-server-exit)))
+
+(defvar gnus-carpal-browse-buffer-buttons
+ '(("subscribe" . gnus-browse-unsubscribe-current-group)
+ ("exit" . gnus-browse-exit)))
+
+(defvar gnus-carpal-group-buffer "*Carpal Group*")
+(defvar gnus-carpal-summary-buffer "*Carpal Summary*")
+(defvar gnus-carpal-server-buffer "*Carpal Server*")
+(defvar gnus-carpal-browse-buffer "*Carpal Browse*")
+
+(defvar gnus-carpal-attached-buffer nil)
+
+(defvar gnus-carpal-mode-hook nil
+ "*Hook run in carpal mode buffers.")
+
+(defvar gnus-carpal-button-face 'bold
+ "*Face used on carpal buttons.")
+
+(defvar gnus-carpal-header-face 'bold-italic
+ "*Face used on carpal buffer headers.")
+
+(defvar gnus-carpal-mode-map nil)
+(put 'gnus-carpal-mode 'mode-class 'special)
+
+(if gnus-carpal-mode-map
+ nil
+ (setq gnus-carpal-mode-map (make-keymap))
+ (suppress-keymap gnus-carpal-mode-map)
+ (define-key gnus-carpal-mode-map " " 'gnus-carpal-select)
+ (define-key gnus-carpal-mode-map "\r" 'gnus-carpal-select)
+ (define-key gnus-carpal-mode-map gnus-mouse-2 'gnus-carpal-mouse-select))
+
+(defun gnus-carpal-mode ()
+ "Major mode for clicking buttons.
+
+All normal editing commands are switched off.
+\\<gnus-carpal-mode-map>
+The following commands are available:
+
+\\{gnus-carpal-mode-map}"
+ (interactive)
+ (kill-all-local-variables)
+ (setq mode-line-modified "-- ")
+ (setq major-mode 'gnus-carpal-mode)
+ (setq mode-name "Gnus Carpal")
+ (setq mode-line-process nil)
+ (use-local-map gnus-carpal-mode-map)
+ (buffer-disable-undo (current-buffer))
+ (setq buffer-read-only t)
+ (make-local-variable 'gnus-carpal-attached-buffer)
+ (run-hooks 'gnus-carpal-mode-hook))
+
+(defun gnus-carpal-setup-buffer (type)
+ (let ((buffer (symbol-value (intern (format "gnus-carpal-%s-buffer" type)))))
+ (if (get-buffer buffer)
+ ()
+ (save-excursion
+ (set-buffer (get-buffer-create buffer))
+ (gnus-carpal-mode)
+ (setq gnus-carpal-attached-buffer
+ (intern (format "gnus-%s-buffer" type)))
+ (gnus-add-current-to-buffer-list)
+ (let ((buttons (symbol-value
+ (intern (format "gnus-carpal-%s-buffer-buttons"
+ type))))
+ (buffer-read-only nil)
+ button)
+ (while buttons
+ (setq button (car buttons)
+ buttons (cdr buttons))
+ (if (stringp button)
+ (set-text-properties
+ (point)
+ (prog2 (insert button) (point) (insert " "))
+ (list 'face gnus-carpal-header-face))
+ (set-text-properties
+ (point)
+ (prog2 (insert (car button)) (point) (insert " "))
+ (list 'gnus-callback (cdr button)
+ 'face gnus-carpal-button-face
+ 'mouse-face 'highlight))))
+ (let ((fill-column (- (window-width) 2)))
+ (fill-region (point-min) (point-max)))
+ (set-window-point (get-buffer-window (current-buffer))
+ (point-min)))))))
+
+(defun gnus-carpal-select ()
+ "Select the button under point."
+ (interactive)
+ (let ((func (get-text-property (point) 'gnus-callback)))
+ (if (null func)
+ ()
+ (pop-to-buffer (symbol-value gnus-carpal-attached-buffer))
+ (call-interactively func))))
+
+(defun gnus-carpal-mouse-select (event)
+ "Select the button under the mouse pointer."
+ (interactive "e")
+ (mouse-set-point event)
+ (gnus-carpal-select))
+
+;;;
+;;; article highlights
+;;;
+
+;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
+
+;;; Internal Variables:
+
+(defvar gnus-button-regexp 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)))
+ (if 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)))
+ (if fun (funcall fun data))))
+
+;; Suggested by Arne Elofsson <arne@hodgkin.mbi.ucla.edu>
+(defun gnus-article-next-button ()
+ "Move point to next button."
+ (interactive)
+ (if (get-text-property (point) 'gnus-callback)
+ (goto-char (next-single-property-change (point) 'gnus-callback
+ nil (point-max))))
+ (let ((pos (next-single-property-change (point) 'gnus-callback)))
+ (if pos
+ (goto-char pos)
+ (setq pos (next-single-property-change (point-min) 'gnus-callback))
+ (if pos
+ (goto-char pos)
+ (error "No buttons found")))))
+
+(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))
+
+(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-hide (&optional force)
+ "Hide current article.
+This function calls `gnus-article-hide-headers',
+`gnus-article-hide-citation-maybe', and `gnus-article-hide-signature'
+to do the hiding. See the documentation for those functions."
+ (interactive (list 'force))
+ (gnus-article-hide-headers)
+ (gnus-article-hide-citation-maybe force)
+ (gnus-article-hide-signature))
+
+(defun gnus-article-highlight-headers ()
+ "Highlight article headers as specified by `gnus-header-face-alist'."
+ (interactive)
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (goto-char (point-min))
+ (if (not (search-forward "\n\n" nil t))
+ ()
+ (beginning-of-line 0)
+ (while (not (bobp))
+ (let ((alist gnus-header-face-alist)
+ (buffer-read-only nil)
+ (case-fold-search t)
+ (end (point))
+ (inhibit-point-motion-hooks t)
+ begin entry regexp header-face field-face
+ header-found field-found)
+ (re-search-backward "^[^ \t]" nil t)
+ (setq begin (point))
+ (while alist
+ (setq entry (car alist)
+ regexp (nth 0 entry)
+ header-face (nth 1 entry)
+ field-face (nth 2 entry)
+ alist (cdr alist))
+ (if (looking-at regexp)
+ (let ((from (point)))
+ (skip-chars-forward "^:\n")
+ (and (not header-found)
+ header-face
+ (progn
+ (put-text-property from (point) 'face header-face)
+ (setq header-found t)))
+ (and (not field-found)
+ field-face
+ (progn
+ (skip-chars-forward ": \t")
+ (let ((from (point)))
+ (goto-char end)
+ (skip-chars-backward " \t")
+ (put-text-property from (point) 'face field-face)
+ (setq field-found t))))))
+ (goto-char begin)))))))
+
+(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))
+ (goto-char (point-max))
+ (and (re-search-backward gnus-signature-separator nil t)
+ gnus-signature-face
+ (let ((start (match-beginning 0))
+ (end (match-end 0)))
+ (gnus-article-add-button start end 'gnus-signature-toggle end)
+ (gnus-overlay-put (gnus-make-overlay end (point-max))
+ 'face gnus-signature-face))))))
+
+(defun gnus-article-hide-signature ()
+ "Hide the signature in an article.
+It does this by making everything after `gnus-signature-separator' invisible."
+ (interactive)
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (let ((buffer-read-only nil))
+ (goto-char (point-max))
+ (and (re-search-backward gnus-signature-separator nil t)
+ gnus-signature-face
+ (add-text-properties (match-end 0) (point-max)
+ gnus-hidden-properties)))))
+
+(defun gnus-article-add-buttons (&optional force)
+ "Find external references in article and make them to buttons.
+
+External references are things like message-ids and URLs, as specified by
+`gnus-button-alist'."
+ (interactive (list 'force))
+ (if (eq gnus-button-last gnus-button-alist)
+ ()
+ (setq gnus-button-regexp (mapconcat 'car gnus-button-alist "\\|")
+ gnus-button-last gnus-button-alist))
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (gnus-cite-parse-maybe force)
+ (let ((buffer-read-only nil)
+ (inhibit-point-motion-hooks t)
+ (case-fold-search t))
+ (goto-char (point-min))
+ (or (search-forward "\n\n" nil t)
+ (goto-char (point-max)))
+ (while (re-search-forward gnus-button-regexp nil t)
+ (goto-char (match-beginning 0))
+ (let* ((from (point))
+ (entry (gnus-button-entry))
+ (start (and entry (match-beginning (nth 1 entry))))
+ (end (and entry (match-end (nth 1 entry))))
+ (form (nth 2 entry)))
+ (if (not entry)
+ ()
+ (goto-char (match-end 0))
+ (if (eval form)
+ (gnus-article-add-button start end 'gnus-button-push
+ (set-marker (make-marker)
+ from)))))))))
+(defun gnus-netscape-open-url (url)
+ "Open URL in netscape, or start new scape with URL."
+ (let ((process (start-process (concat "netscape " url)
+ nil
+ "netscape"
+ "-remote"
+ (concat "openUrl(" url ")'"))))
+ (set-process-sentinel process
+ (` (lambda (process change)
+ (or (eq (process-exit-status process) 0)
+ (gnus-netscape-start-url (, url))))))))
+
+(defun gnus-netscape-start-url (url)
+ "Start netscape with URL."
+ (start-process (concat "netscape" url) nil "netscape" url))
+
+;;; 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."
+ (and gnus-article-button-face
+ (gnus-overlay-put (gnus-make-overlay from to)
+ 'face gnus-article-button-face))
+ (add-text-properties from to
+ (append (and gnus-article-mouse-face
+ (list 'mouse-face 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))
+ (if (get-text-property end 'invisible)
+ (remove-text-properties end (point-max) gnus-hidden-properties)
+ (add-text-properties end (point-max) gnus-hidden-properties)))))
+
+;see gnus-cus.el
+;(defun gnus-make-face (color)
+; ;; Create entry for face with COLOR.
+; (if gnus-make-foreground
+; (custom-face-lookup color nil nil nil nil nil)
+; (custom-face-lookup nil color nil nil nil nil)))
+
+(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 (car alist)
+ alist (cdr 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 (buffer-substring
+ (match-beginning group)
+ (match-end group))))
+ (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
+ (message "You must define `%S' to use this button"
+ (cons fun args)))))))
+
+(defun gnus-button-message-id (message-id)
+ ;; Push on MESSAGE-ID.
+ (save-excursion
+ (set-buffer gnus-summary-buffer)
+ (gnus-summary-refer-article message-id)))
+
+;;; Compatibility Functions:
+
+(or (fboundp 'rassoc)
+ ;; Introduced in Emacs 19.29.
+ (defun rassoc (elt list)
+ "Return non-nil if ELT is `equal' to the cdr of an element of LIST.
+The value is actually the element of LIST whose cdr is ELT."
+ (let (result)
+ (while list
+ (setq result (car list))
+ (if (equal (cdr result) elt)
+ (setq list nil)
+ (setq result nil
+ list (cdr list))))
+ result)))
+
+; (require 'gnus-cus)
+(gnus-ems-redefine)
+(provide 'gnus-vis)
+
+;;; gnus-vis.el ends here
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