home *** CD-ROM | disk | FTP | other *** search
- ;;; Miscellaneous commands for GNUS newsreader
- ;; Copyright (C) 1989 Fujitsu Laboratories LTD.
- ;; Copyright (C) 1989, 1990 Masanobu UMEDA
-
- ;; This file is part of GNU Emacs.
-
- ;; GNU Emacs is distributed in the hope that it will be useful,
- ;; but WITHOUT ANY WARRANTY. No author or distributor
- ;; accepts responsibility to anyone for the consequences of using it
- ;; or for whether it serves any particular purpose or works at all,
- ;; unless he says so in writing. Refer to the GNU Emacs General Public
- ;; License for full details.
-
- ;; Everyone is granted permission to copy, modify and redistribute
- ;; GNU Emacs, but only under the conditions described in the
- ;; GNU Emacs General Public License. A copy of this license is
- ;; supposed to have been given to you along with GNU Emacs so you
- ;; can know your rights and responsibilities. It should be in a
- ;; file named COPYING. Among other things, the copyright notice
- ;; and this notice must be preserved on all copies.
-
- (provide 'gnusmisc)
- (require 'gnus)
-
- (defvar gnus-Browse-killed-mode-hook nil
- "*A hook for GNUS Browse-Killed Mode.")
-
- (defvar gnus-Browse-killed-buffer "*Killed Newsgroup*")
- (defvar gnus-Browse-killed-mode-map nil)
- (defvar gnus-winconf-browse-killed nil)
-
- (autoload 'timezone-make-date-arpa-standard "timezone")
-
- (put 'gnus-Browse-killed-mode 'mode-class 'special)
-
- ;;;
- ;;; GNUS Browse-Killed Mode
- ;;;
-
- ;; Some ideas are due to roland@wheaties.ai.mit.edu (Roland McGrath).
- ;; I'd like to thank him very much.
-
- ;; Make the buffer to be managed by GNUS.
-
- (or (memq gnus-Browse-killed-buffer gnus-buffer-list)
- (setq gnus-buffer-list
- (cons gnus-Browse-killed-buffer gnus-buffer-list)))
-
- (if gnus-Browse-killed-mode-map
- nil
- (setq gnus-Browse-killed-mode-map (make-keymap))
- (suppress-keymap gnus-Browse-killed-mode-map t)
- (define-key gnus-Browse-killed-mode-map " " 'gnus-Group-next-group)
- (define-key gnus-Browse-killed-mode-map "\177" 'gnus-Group-prev-group)
- (define-key gnus-Browse-killed-mode-map "\C-n" 'gnus-Group-next-group)
- (define-key gnus-Browse-killed-mode-map "\C-p" 'gnus-Group-prev-group)
- (define-key gnus-Browse-killed-mode-map "n" 'gnus-Group-next-group)
- (define-key gnus-Browse-killed-mode-map "p" 'gnus-Group-prev-group)
- (define-key gnus-Browse-killed-mode-map "y" 'gnus-Browse-killed-yank)
- (define-key gnus-Browse-killed-mode-map "\C-y" 'gnus-Browse-killed-yank)
- (define-key gnus-Browse-killed-mode-map "l" 'gnus-Browse-killed-groups)
- (define-key gnus-Browse-killed-mode-map "q" 'gnus-Browse-killed-exit)
- (define-key gnus-Browse-killed-mode-map "\C-c\C-c" 'gnus-Browse-killed-exit)
- (define-key gnus-Browse-killed-mode-map "\C-c\C-i" 'gnus-Info-find-node))
-
- (defun gnus-Browse-killed-mode ()
- "Major mode for browsing the killed newsgroups.
- All normal editing commands are turned off.
- Instead, these commands are available:
- \\{gnus-Browse-killed-mode-map}
-
- The killed newsgroups are saved in the quick startup file (.newsrc.el)
- unless it against the options line in the startup file (.newsrc).
-
- Entry to this mode calls gnus-Browse-killed-mode-hook with no arguments,
- if that value is non-nil."
- (interactive)
- (kill-all-local-variables)
- ;; Gee. Why don't you upgrade?
- (cond ((boundp 'mode-line-modified)
- (setq mode-line-modified "--- "))
- ((listp (default-value 'mode-line-format))
- (setq mode-line-format
- (cons "--- " (cdr (default-value 'mode-line-format)))))
- (t
- (setq mode-line-format
- "--- GNUS: Killed Newsgroups %[(%m)%]----%3p-%-")))
- (setq major-mode 'gnus-Browse-killed-mode)
- (setq mode-name "Browse-Killed")
- (setq mode-line-buffer-identification "GNUS: Killed Newsgroups")
- (use-local-map gnus-Browse-killed-mode-map)
- (buffer-disable-undo (current-buffer))
- (setq buffer-read-only t) ;Disable modification
- (run-hooks 'gnus-Browse-killed-mode-hook))
-
- (defun gnus-Browse-killed-groups ()
- "Browse the killed newsgroups.
- The keys y and C-y yank the newsgroup on the current line into the
- Newsgroups buffer."
- (interactive)
- (or gnus-killed-assoc
- (error "No killed newsgroups"))
- ;; Save current window configuration if this is first invocation..
- (or (get-buffer-window gnus-Browse-killed-buffer)
- (setq gnus-winconf-browse-killed
- (current-window-configuration)))
- ;; Prepare browsing buffer.
- (gnus-pop-to-buffer (get-buffer-create gnus-Browse-killed-buffer))
- (gnus-Browse-killed-mode)
- (let ((buffer-read-only nil)
- (killed-assoc gnus-killed-assoc))
- (erase-buffer)
- (while killed-assoc
- (insert (gnus-Group-prepare-line (car killed-assoc)))
- (setq killed-assoc (cdr killed-assoc)))
- (goto-char (point-min))
- ))
-
- (defun gnus-Browse-killed-yank ()
- "Yank current newsgroup to Newsgroup buffer."
- (interactive)
- (let ((group (gnus-Group-group-name)))
- (if group
- (let* ((buffer-read-only nil)
- (killed (assoc group gnus-killed-assoc)))
- (gnus-pop-to-buffer gnus-Group-buffer) ;Needed to adjust point.
- (if killed
- (gnus-Group-insert-group killed))
- (gnus-pop-to-buffer gnus-Browse-killed-buffer)
- (beginning-of-line)
- (delete-region (point)
- (progn (forward-line 1) (point)))
- )))
- (gnus-Browse-killed-check-buffer))
-
- (defun gnus-Browse-killed-check-buffer ()
- "Exit if the buffer is empty by deleting the window and killing the buffer."
- (and (null gnus-killed-assoc)
- (get-buffer gnus-Browse-killed-buffer)
- (gnus-Browse-killed-exit)))
-
- (defun gnus-Browse-killed-exit ()
- "Exit this mode by deleting the window and killing the buffer."
- (interactive)
- (and (get-buffer-window gnus-Browse-killed-buffer)
- (delete-window (get-buffer-window gnus-Browse-killed-buffer)))
- (kill-buffer gnus-Browse-killed-buffer)
- ;; Restore previous window configuration if available.
- (and gnus-winconf-browse-killed
- (set-window-configuration gnus-winconf-browse-killed))
- (setq gnus-winconf-browse-killed nil))
-
-
- ;;;
- ;;; kill/yank newsgroup commands of GNUS Group Mode
- ;;;
-
- (defun gnus-Group-kill-region (begin end)
- "Kill newsgroups in current region (excluding current point).
- The killed newsgroups can be yanked by using \\[gnus-Group-yank-group]."
- (interactive "r")
- (let ((lines
- ;; Exclude a line where current point is on.
- (1-
- ;; Count lines.
- (save-excursion
- (count-lines
- (progn
- (goto-char begin)
- (beginning-of-line)
- (point))
- (progn
- (goto-char end)
- (end-of-line)
- (point)))))))
- (goto-char begin)
- (beginning-of-line) ;Important when LINES < 1
- (gnus-Group-kill-group lines)))
-
- (defun gnus-Group-kill-group (n)
- "Kill newsgroup on current line, repeated prefix argument N times.
- The killed newsgroups can be yanked by using \\[gnus-Group-yank-group]."
- (interactive "p")
- (let ((buffer-read-only nil)
- (group nil))
- (while (> n 0)
- (setq group (gnus-Group-group-name))
- (or group
- (signal 'end-of-buffer nil))
- (beginning-of-line)
- (delete-region (point)
- (progn (forward-line 1) (point)))
- (gnus-kill-newsgroup group)
- (setq n (1- n))
- ;; Add to killed newsgroups in the buffer if exists.
- (if (get-buffer gnus-Browse-killed-buffer)
- (save-excursion
- (set-buffer gnus-Browse-killed-buffer)
- (let ((buffer-read-only nil))
- (goto-char (point-min))
- (insert (gnus-Group-prepare-line (car gnus-killed-assoc)))
- )))
- )
- (search-forward ":" nil t)
- ))
-
- (defun gnus-Group-yank-group ()
- "Yank the last newsgroup killed with \\[gnus-Group-kill-group],
- inserting it before the newsgroup on the line containging point."
- (interactive)
- (gnus-Group-insert-group (car gnus-killed-assoc))
- ;; Remove killed newsgroups from the buffer if exists.
- (if (get-buffer gnus-Browse-killed-buffer)
- (save-excursion
- (set-buffer gnus-Browse-killed-buffer)
- (let ((buffer-read-only nil))
- (goto-char (point-min))
- (delete-region (point-min)
- (progn (forward-line 1) (point)))
- )))
- (gnus-Browse-killed-check-buffer))
-
- (defun gnus-Group-insert-group (info)
- "Insert newsgroup at current line using gnus-newsrc-assoc INFO."
- (if (null gnus-killed-assoc)
- (error "No killed newsgroups"))
- (if (not gnus-have-all-newsgroups)
- (error
- (substitute-command-keys
- "Not all newsgroups are displayed. Type \\[gnus-Group-list-all-groups] to display all newsgroups.")))
- (let ((buffer-read-only nil)
- (group (gnus-Group-group-name)))
- (gnus-insert-newsgroup info group)
- (beginning-of-line)
- (insert (gnus-Group-prepare-line info))
- (forward-line -1)
- (search-forward ":" nil t)
- ))
-
-
- ;;; Rewrite Date: field in GMT to local
-
- (defun gnus-gmt-to-local ()
- "Rewrite Date: field described in GMT to local in current buffer.
- The variable gnus-local-timezone is used for local time zone.
- Intended to be used with gnus-Article-prepare-hook."
- (save-excursion
- (save-restriction
- (widen)
- (goto-char (point-min))
- (narrow-to-region (point-min)
- (progn (search-forward "\n\n" nil 'move) (point)))
- (goto-char (point-min))
- (if (re-search-forward "^Date:[ \t]\\(.*\\)$" nil t)
- (let ((buffer-read-only nil)
- (date (buffer-substring (match-beginning 1) (match-end 1))))
- (delete-region (match-beginning 1) (match-end 1))
- (insert
- (timezone-make-date-arpa-standard date nil gnus-local-timezone))
- ))
- )))
-