-;;; 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-easymenu)
-
-;;; summary highligts
-
-(defvar gnus-summary-selected-face 'underline
- "*Face used for highlighting the current article in the summary buffer.")
-
-(defvar gnus-summary-highlight
- '(((> score default) . bold)
- ((< 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
-
-To check for marks, e.g. to underline replied articles, use
-`gnus-summary-article-mark':
-
- ((= (gnus-summary-article-mark) gnus-replied-mark) . underline)")
-
-;;; article highlights
-
-(defvar gnus-make-foreground t
- "Non nil means foreground color to highlight citations.")
-
-(defvar gnus-article-button-face 'bold
- "Face used for text buttons.")
-
-(defvar gnus-article-mouse-face (if (boundp 'gnus-mouse-face)
- gnus-mouse-face
- 'highlight)
- "Face used when the mouse is over the button.")
-
-(defvar gnus-header-face-alist '(("" bold italic))
- "Alist of headers and faces used for highlighting them.
-The entries in the list has the form `(REGEXP NAME CONTENT)', where
-REGEXP is a regeular 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.")
-
-(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
- ("\\b\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\):\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?[-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.")
-
-(defvar gnus-button-url (cond ((fboundp 'w3-fetch)
- 'w3-fetch)
- ((fboundp 'highlight-headers-follow-url-netscape)
- 'highlight-headers-follow-url-netscape)
- (t nil))
- "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.
-highlight-headers-follow-url-netscape:
- from `highlight-headers.el' for loading NetScape 1.1.")
-
-\f
-
-(eval-and-compile
- (autoload 'nnkiboze-generate-groups "nnkiboze")
- (autoload 'gnus-cite-parse-maybe "gnus-cite" nil t))
-
-;;;
-;;; gnus-menu
-;;;
-
-;; Newsgroup buffer
-
-(defun gnus-group-make-menu-bar ()
- (easy-menu-define
- gnus-group-reading-menu
- gnus-group-mode-map
- ""
- '("Group"
- ["Read" gnus-group-read-group t]
- ["Select" gnus-group-select-group 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]
- ["Edit a group entry" gnus-group-edit-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])
- ["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-post-menu
- gnus-group-mode-map
- ""
- '("Post"
- ["Send a mail" gnus-group-mail t]
- ["Post an article" gnus-group-post-news t]
- ))
-
- (easy-menu-define
- gnus-group-misc-menu
- gnus-group-mode-map
- ""
- '("Misc"
- ["Send a bug report" gnus-bug t]
- ["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]
- ))
-
- )
-
-;; Server mode
-(defun gnus-server-make-menu-bar ()
- (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]
- )))
-
-;; Browse mode
-(defun gnus-browse-make-menu-bar ()
- (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]
- )))
-
-;; Summary buffer
-(defun gnus-summary-make-menu-bar ()
-
- (easy-menu-define
- gnus-summary-mark-menu
- gnus-summary-mode-map
- ""
- '("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]
- )
- ))
-
- (easy-menu-define
- gnus-summary-move-menu
- gnus-summary-mode-map
- ""
- '("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]
- ))
-
- (easy-menu-define
- gnus-summary-article-menu
- gnus-summary-mode-map
- ""
- '("Article"
- ("Hide"
- ("Date"
- ["Local" gnus-article-date-local t]
- ["UT" gnus-article-date-local t]
- ["Lapsed" gnus-article-date-local t])
- ["Headers" gnus-article-hide-headers t]
- ["Signature" gnus-article-hide-signature t]
- ["Citation" gnus-article-hide-citation t]
- ["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])
- ("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]
- ["Stop page breaking" gnus-summary-stop-page-breaking t]
- ["Caesar rotate" gnus-summary-caesar-message t]
- ["Redisplay" gnus-summary-show-article t]
- ["Toggle header" gnus-summary-toggle-header t]
- ["Toggle MIME" gnus-summary-toggle-mime t]
- ["Save" gnus-summary-save-article t]
- ["Save in mail format" gnus-summary-save-article-mail t]
- ["Pipe through a filter" gnus-summary-pipe-output t]
- ("Mail articles"
- ["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])
- ))
-
- (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-misc-menu
- gnus-summary-mode-map
- ""
- '("Misc"
- ("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-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]
- ))
-
- (easy-menu-define
- gnus-summary-kill-menu
- gnus-summary-mode-map
- ""
- '("Score"
- ["Enter score" gnus-summary-score-entry t]
- ["Raise score" gnus-summary-increase-score t]
- ["Lower score" gnus-summary-lower-score t]
- ["Current score" gnus-summary-current-score t]
- ["Set score" gnus-summary-set-score t]
- ("Score file"
- ["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])
- ))
- )
-
-;; Article buffer
-(defun gnus-article-make-menu-bar ()
-
- (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]
- ["Mail to address at point and include original"
- gnus-article-mail-with-original 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-unreadble" gnus-article-de-quoted-unreadable t]
- ))
- )
-
-;;;
-;;; 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 from)
- (progn
- (setq from beg)
- (setq to end)))
- (if gnus-newsgroup-selected-overlay
- (move-overlay gnus-newsgroup-selected-overlay
- from to (current-buffer))
- (setq gnus-newsgroup-selected-overlay (make-overlay from to))
- (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)))))
- ;; BUG! For some reason the text properties of the first
- ;; characters get mangled.
- (or (eobp)
- (eq face (get-text-property beg 'face))
- (put-text-property beg end '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)
- ("new news" . 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 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 ()
- "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)
- (gnus-article-highlight-headers)
- (gnus-article-highlight-citation)
- (gnus-article-highlight-signature)
- (gnus-article-add-buttons))
-
-(defun gnus-article-hide ()
- "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)
- (gnus-article-hide-headers)
- (gnus-article-hide-citation-maybe)
- (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))
- (search-forward "\n\n")
- (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)
- (overlay-put (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 ()
- "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)
- (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)
- (let ((buffer-read-only nil)
- (inhibit-point-motion-hooks t)
- (case-fold-search t))
- (goto-char (point-min))
- (search-forward "\n\n")
- (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))
- marker)
- (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)))))))))
-
-;;; 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."
- (add-text-properties from to
- (append (if gnus-article-button-face
- (list 'face gnus-article-button-face))
- (if gnus-article-mouse-face
- (list 'mouse-face gnus-article-mouse-face))
- (list 'gnus-callback fun)
- (if 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)))))
-
-(defun gnus-make-face (color)
- ;; Create entry for face with background COLOR.
- (let ((name (intern (concat "gnus " color))))
- (make-face name)
- (if gnus-make-foreground
- (set-face-foreground name color)
- (set-face-background name color))
- name))
-
-(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)))
-
-(provide 'gnus-vis)
-
-;;; gnus-vis.el ends here