1 ;;; gnusmisc.el --- miscellaneous commands for GNUS newsreader
3 ;; Copyright (C) 1989, 1990, 1993 Free Software Foundation, Inc.
5 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to
22 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
29 ;;; GNUS Browse-Killed Mode
32 ;; Some ideas are due to roland@wheaties.ai.mit.edu (Roland McGrath).
33 ;; I'd like to thank him very much.
35 (defvar gnus-browse-killed-mode-hook nil
36 "*A hook for GNUS Browse-Killed Mode.")
38 (defvar gnus-browse-killed-buffer
"*Killed Newsgroup*")
39 (defvar gnus-browse-killed-mode-map nil
)
40 (defvar gnus-winconf-browse-killed nil
)
42 (autoload 'timezone-make-date-arpa-standard
"timezone")
44 (put 'gnus-browse-killed-mode
'mode-class
'special
)
48 ;;; GNUS Browse-Killed Mode
51 ;; Some ideas are due to roland@wheaties.ai.mit.edu (Roland McGrath).
52 ;; I'd like to thank him very much.
54 ;; Make the buffer to be managed by GNUS.
56 (or (memq gnus-browse-killed-buffer gnus-buffer-list
)
57 (setq gnus-buffer-list
58 (cons gnus-browse-killed-buffer gnus-buffer-list
)))
60 (if gnus-browse-killed-mode-map
62 (setq gnus-browse-killed-mode-map
(make-keymap))
63 (suppress-keymap gnus-browse-killed-mode-map t
)
64 (define-key gnus-browse-killed-mode-map
" " 'gnus-group-next-group
)
65 (define-key gnus-browse-killed-mode-map
"\177" 'gnus-group-prev-group
)
66 (define-key gnus-browse-killed-mode-map
"\C-n" 'gnus-group-next-group
)
67 (define-key gnus-browse-killed-mode-map
"\C-p" 'gnus-group-prev-group
)
68 (define-key gnus-browse-killed-mode-map
"n" 'gnus-group-next-group
)
69 (define-key gnus-browse-killed-mode-map
"p" 'gnus-group-prev-group
)
70 (define-key gnus-browse-killed-mode-map
"y" 'gnus-browse-killed-yank
)
71 (define-key gnus-browse-killed-mode-map
"\C-y" 'gnus-browse-killed-yank
)
72 (define-key gnus-browse-killed-mode-map
"l" 'gnus-list-killed-groups
)
73 (define-key gnus-browse-killed-mode-map
"q" 'gnus-browse-killed-exit
)
74 (define-key gnus-browse-killed-mode-map
"\C-c\C-c" 'gnus-browse-killed-exit
)
75 (define-key gnus-browse-killed-mode-map
"\C-c\C-i" 'gnus-info-find-node
))
77 (defun gnus-browse-killed-mode ()
78 "Major mode for browsing the killed newsgroups.
79 All normal editing commands are turned off.
80 Instead, these commands are available:
81 \\{gnus-browse-killed-mode-map}
83 The killed newsgroups are saved in the quick startup file (.newsrc.el)
84 unless it against the options line in the startup file (.newsrc).
86 Entry to this mode calls gnus-browse-killed-mode-hook with no arguments,
87 if that value is non-nil."
89 (kill-all-local-variables)
90 ;; Gee. Why don't you upgrade?
91 (cond ((boundp 'mode-line-modified
)
92 (setq mode-line-modified
"--- "))
93 ((listp (default-value 'mode-line-format
))
94 (setq mode-line-format
95 (cons "--- " (cdr (default-value 'mode-line-format
)))))
97 (setq mode-line-format
98 "--- GNUS: Killed Newsgroups %[(%m)%]----%3p-%-")))
99 (setq major-mode
'gnus-browse-killed-mode
)
100 (setq mode-name
"Browse-Killed")
101 (setq mode-line-buffer-identification
"GNUS: Killed Newsgroups")
102 (use-local-map gnus-browse-killed-mode-map
)
103 (buffer-flush-undo (current-buffer))
104 (setq buffer-read-only t
) ;Disable modification
105 (run-hooks 'gnus-browse-killed-mode-hook
))
107 (defun gnus-list-killed-groups ()
108 "List the killed newsgroups.
109 The keys y and C-y yank the newsgroup on the current line into the
112 (or gnus-killed-assoc
113 (error "No killed newsgroups"))
114 ;; Save current window configuration if this is first invocation..
115 (or (get-buffer-window gnus-browse-killed-buffer
)
116 (setq gnus-winconf-browse-killed
117 (current-window-configuration)))
118 ;; Prepare browsing buffer.
119 (pop-to-buffer (get-buffer-create gnus-browse-killed-buffer
))
120 (gnus-browse-killed-mode)
121 (let ((buffer-read-only nil
)
122 (killed-assoc gnus-killed-assoc
))
125 (insert (gnus-group-prepare-line (car killed-assoc
)))
126 (setq killed-assoc
(cdr killed-assoc
)))
127 (goto-char (point-min))
130 (defun gnus-browse-killed-yank ()
131 "Yank current newsgroup to Newsgroup buffer."
133 (let ((group (gnus-group-group-name)))
135 (let* ((buffer-read-only nil
)
136 (killed (gnus-gethash group gnus-killed-hashtb
)))
137 (pop-to-buffer gnus-group-buffer
) ;Needed to adjust point.
139 (gnus-group-insert-group killed
))
140 (pop-to-buffer gnus-browse-killed-buffer
)
142 (delete-region (point)
143 (progn (forward-line 1) (point)))
145 (gnus-browse-killed-check-buffer))
147 (defun gnus-browse-killed-check-buffer ()
148 "Exit if the buffer is empty by deleting the window and killing the buffer."
149 (and (null gnus-killed-assoc
)
150 (get-buffer gnus-browse-killed-buffer
)
151 (gnus-browse-killed-exit)))
153 (defun gnus-browse-killed-exit ()
154 "Exit this mode by deleting the window and killing the buffer."
156 (and (get-buffer-window gnus-browse-killed-buffer
)
157 (delete-window (get-buffer-window gnus-browse-killed-buffer
)))
158 (kill-buffer gnus-browse-killed-buffer
)
159 ;; Restore previous window configuration if available.
160 (and gnus-winconf-browse-killed
161 (set-window-configuration gnus-winconf-browse-killed
))
162 (setq gnus-winconf-browse-killed nil
))
166 ;;; kill/yank newsgroup commands of GNUS Group Mode
169 (defun gnus-group-transpose-groups (arg)
170 "Exchange current newsgroup and previous newsgroup.
171 With argument ARG, takes previous newsgroup and moves it past ARG newsgroup."
173 ;; BUG: last newsgroup and the last but one cannot be transposed
174 ;; since gnus-group-search-forward does not move forward beyond the
175 ;; last. If we instead use forward-line, no problem, but I don't
176 ;; want to use it for later extension.
178 (gnus-group-search-forward t t
)
179 (gnus-group-kill-group 1)
180 (gnus-group-search-forward nil t
)
181 (gnus-group-yank-group)
182 (gnus-group-search-forward nil t
)
186 (defun gnus-group-kill-region (begin end
)
187 "Kill newsgroups in current region (excluding current point).
188 The killed newsgroups can be yanked by using \\[gnus-group-yank-group]."
191 ;; Exclude a line where current point is on.
205 (beginning-of-line) ;Important when LINES < 1
206 (gnus-group-kill-group lines
)))
208 (defun gnus-group-kill-group (n)
209 "Kill newsgroup on current line, repeated prefix argument N times.
210 The killed newsgroups can be yanked by using \\[gnus-group-yank-group]."
212 (let ((buffer-read-only nil
)
215 (setq group
(gnus-group-group-name))
217 (signal 'end-of-buffer nil
))
219 (delete-region (point)
220 (progn (forward-line 1) (point)))
221 (gnus-kill-newsgroup group
)
223 ;; Add to killed newsgroups in the buffer if exists.
224 (if (get-buffer gnus-browse-killed-buffer
)
226 (set-buffer gnus-browse-killed-buffer
)
227 (let ((buffer-read-only nil
))
228 (goto-char (point-min))
229 (insert (gnus-group-prepare-line (car gnus-killed-assoc
)))
232 (search-forward ":" nil t
)
235 (defun gnus-group-yank-group ()
236 "Yank the last newsgroup killed with \\[gnus-group-kill-group],
237 inserting it before the newsgroup on the line containging point."
239 (gnus-group-insert-group (car gnus-killed-assoc
))
240 ;; Remove killed newsgroups from the buffer if exists.
241 (if (get-buffer gnus-browse-killed-buffer
)
243 (set-buffer gnus-browse-killed-buffer
)
244 (let ((buffer-read-only nil
))
245 (goto-char (point-min))
246 (delete-region (point-min)
247 (progn (forward-line 1) (point)))
249 (gnus-browse-killed-check-buffer))
251 (defun gnus-group-insert-group (info)
252 "Insert newsgroup at current line using gnus-newsrc-assoc INFO."
253 (if (null gnus-killed-assoc
)
254 (error "No killed newsgroups"))
255 ;; Huuum. It this right?
256 ;;(if (not gnus-have-all-newsgroups)
258 ;; (substitute-command-keys
259 ;; "Not all newsgroups are displayed. Type \\[gnus-group-list-all-groups] to display all newsgroups.")))
260 (let ((buffer-read-only nil
)
261 (group (gnus-group-group-name)))
262 (gnus-insert-newsgroup info group
)
264 (insert (gnus-group-prepare-line info
))
266 (search-forward ":" nil t
)
270 ;;; Rewrite Date: field in GMT to local
272 (defun gnus-gmt-to-local ()
273 "Rewrite Date: field described in GMT to local in current buffer.
274 The variable gnus-local-timezone is used for local time zone.
275 Intended to be used with gnus-article-prepare-hook."
279 (goto-char (point-min))
280 (narrow-to-region (point-min)
281 (progn (search-forward "\n\n" nil
'move
) (point)))
282 (goto-char (point-min))
283 (if (re-search-forward "^Date:[ \t]\\(.*\\)$" nil t
)
284 (let ((buffer-read-only nil
)
285 (date (buffer-substring (match-beginning 1) (match-end 1))))
286 (delete-region (match-beginning 1) (match-end 1))
288 (timezone-make-date-arpa-standard date nil gnus-local-timezone
))
294 ;;; gnusmisc.el ends here