1 ;;; riece.el --- IRC client for Emacsen
2 ;; Copyright (C) 1998-2003 Daiki Ueno
4 ;; Author: Daiki Ueno <ueno@unixuser.org>
6 ;; Keywords: IRC, riece
8 ;; This file is part of Riece.
10 ;; This program 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 ;; This program 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 the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
27 (require 'riece-filter)
28 (require 'riece-display)
29 (require 'riece-server)
30 (require 'riece-compat)
31 (require 'riece-commands)
33 (autoload 'derived-mode-class "derived")
35 (defvar riece-channel-list-mode-map (make-sparse-keymap))
36 (defvar riece-user-list-mode-map (make-sparse-keymap))
38 (defvar riece-dialogue-mode-map
39 (let ((keymap (make-keymap)))
40 (suppress-keymap keymap 'nodigit)
43 (defvar riece-command-mode-map (make-keymap))
44 (defvar riece-command-map (make-sparse-keymap))
46 (defvar riece-command-mode-syntax-table nil)
48 (put 'riece-command-mode 'mode-class 'special)
49 (put 'riece-dialogue-mode 'mode-class 'special)
50 (put 'riece-others-mode 'derived-mode-parent 'riece-dialogue-mode)
51 (put 'riece-channel-list-mode 'mode-class 'special)
52 (put 'riece-user-list-mode 'mode-class 'special)
53 (put 'riece-channel-mode 'derived-mode-parent 'riece-dialogue-mode)
55 (defvar riece-buffer-alist
56 '((riece-command-buffer "*Commands*" riece-command-mode)
57 (riece-dialogue-buffer "*Dialogue*" riece-dialogue-mode)
58 (riece-others-buffer "*Others*" riece-others-mode)
59 (riece-channel-list-buffer "*Channels*" riece-channel-list-mode)
60 (riece-user-list-buffer " *Users*" riece-user-list-mode)))
62 (defvar riece-shrink-buffer-idle-timer nil
63 "Timer object to periodically shrink channel buffers.")
65 (defvar riece-select-keys
66 `("1" riece-command-switch-to-channel-by-number-1
67 "2" riece-command-switch-to-channel-by-number-2
68 "3" riece-command-switch-to-channel-by-number-3
69 "4" riece-command-switch-to-channel-by-number-4
70 "5" riece-command-switch-to-channel-by-number-5
71 "6" riece-command-switch-to-channel-by-number-6
72 "7" riece-command-switch-to-channel-by-number-7
73 "8" riece-command-switch-to-channel-by-number-8
74 "9" riece-command-switch-to-channel-by-number-9
75 "0" riece-command-switch-to-channel-by-number-10
76 ,(concat riece-command-prefix "1")
77 riece-command-switch-to-channel-by-number-11
78 ,(concat riece-command-prefix "2")
79 riece-command-switch-to-channel-by-number-12
80 ,(concat riece-command-prefix "3")
81 riece-command-switch-to-channel-by-number-13
82 ,(concat riece-command-prefix "4")
83 riece-command-switch-to-channel-by-number-14
84 ,(concat riece-command-prefix "5")
85 riece-command-switch-to-channel-by-number-15
86 ,(concat riece-command-prefix "6")
87 riece-command-switch-to-channel-by-number-16
88 ,(concat riece-command-prefix "7")
89 riece-command-switch-to-channel-by-number-17
90 ,(concat riece-command-prefix "8")
91 riece-command-switch-to-channel-by-number-18
92 ,(concat riece-command-prefix "9")
93 riece-command-switch-to-channel-by-number-19
94 ,(concat riece-command-prefix "0")
95 riece-command-switch-to-channel-by-number-20))
97 ;;; Keymap macros. -- borrowed from `gnus-util.el'.
98 (defmacro riece-local-set-keys (&rest plist)
99 "Set the keys in PLIST in the current keymap."
100 `(riece-define-keys-1 (current-local-map) ',plist))
102 (defmacro riece-define-keys (keymap &rest plist)
103 "Assign KEYMAP keys from PLIST."
104 `(riece-define-keys-1 ',keymap ',plist))
106 (defmacro riece-define-keys-safe (keymap &rest plist)
107 "Assign KEYMAP keys from PLIST without overwriting previous definitions."
108 `(riece-define-keys-1 ',keymap ',plist t))
110 (put 'riece-define-keys 'lisp-indent-function 1)
111 (put 'riece-define-keys-safe 'lisp-indent-function 1)
112 (put 'riece-local-set-keys 'lisp-indent-function 1)
114 (defun riece-define-keys-1 (keymap plist &optional safe)
115 "Assign KEYMAP keys from PLIST.
116 If optional argument SAFE is nil, overwrite previous definitions."
118 (error "Can't set keys in a null keymap"))
121 (setq keymap (symbol-value keymap)))
124 (set (car keymap) nil)
125 (define-prefix-command (car keymap))
126 (define-key (symbol-value (nth 2 keymap))
127 (if (symbolp (nth 1 keymap))
128 (symbol-value (nth 1 keymap))
131 (setq keymap (symbol-value (car keymap)))))
134 (if (symbolp (setq key (car plist)))
135 (setq key (symbol-value key)))
136 (setq plist (cdr plist))
138 (eq (lookup-key keymap key) 'undefined))
139 (define-key keymap key (car plist))
141 (setq plist (cdr plist)))))
144 (riece-define-keys riece-dialogue-mode-map
147 [backspace] scroll-down
151 "/" riece-command-raw
153 "<" beginning-of-buffer
154 "\C-ta" riece-command-toggle-away
155 "c" riece-command-select-command-buffer
156 "f" riece-command-finger
157 "\C-tf" riece-command-toggle-freeze
158 "\C-to" riece-command-toggle-own-freeze
159 "\C-tu" riece-command-toggle-user-list-buffer-mode
160 "\C-tc" riece-command-toggle-channel-buffer-mode
161 "\C-tC" riece-command-toggle-channel-list-buffer-mode
162 "\C-tl" riece-command-change-layout
163 "i" riece-command-invite
164 "j" riece-command-join
165 "\C-k" riece-command-kick
166 "l" riece-command-list
167 "M" riece-command-change-mode
168 "n" riece-command-change-nickname
169 "N" riece-command-names
171 "O" riece-command-open-server
172 "C" riece-command-close-server
173 "M" riece-command-universal-server-name-argument
174 "p" riece-command-enter-message-to-user
175 "q" riece-command-quit
176 "r" riece-command-configure-windows
177 "x" riece-command-copy-region
178 "t" riece-command-topic
179 "w" riece-command-who)
181 (riece-define-keys riece-command-mode-map
182 "\r" riece-command-enter-message
183 [(control return)] riece-command-enter-message-as-notice)
185 (riece-define-keys (riece-command-map riece-command-prefix
186 riece-command-mode-map)
187 "\177" riece-command-scroll-down
188 [delete] riece-command-scroll-down
189 [backspace] riece-command-scroll-down
190 " " riece-command-scroll-up
191 "$" riece-command-end-of-buffer
192 ">" riece-command-next-channel
193 "<" riece-command-previous-channel
194 "\C-j" riece-command-next-channel
195 "\C-n" riece-command-names
196 "l" riece-command-list
197 "\C-m" riece-command-change-mode
198 "o" riece-command-set-operators
199 "\C-p" riece-command-part
200 "r" riece-command-configure-windows
201 "v" riece-command-set-speakers
203 (set-keymap-parent riece-command-map riece-dialogue-mode-map)
205 (riece-define-keys riece-user-list-mode-map
206 "o" riece-command-set-operators
207 "v" riece-command-set-voices
208 "f" riece-command-finger
209 " " riece-command-user-list-scroll-up
210 "\177" riece-command-user-list-scroll-down
211 [delete] riece-command-user-list-scroll-down
212 [backspace] riece-command-user-list-scroll-down
213 "c" riece-command-select-command-buffer)
215 (riece-define-keys riece-channel-list-mode-map
216 ">" riece-command-next-channel
217 "<" riece-command-previous-channel
219 "c" riece-command-select-command-buffer)
221 (riece-define-keys-1 riece-dialogue-mode-map riece-select-keys)
222 (riece-define-keys-1 riece-channel-list-mode-map riece-select-keys))
224 (defun riece-read-variables-files (&optional file)
225 "Read variables FILEs."
226 (or (file-directory-p riece-directory)
227 (make-directory riece-directory))
228 (let ((files (if file
229 (setq riece-variables-file file
230 riece-variables-files (list file))
231 riece-variables-files)))
234 (load (expand-file-name (car files)))
236 (setq files (cdr files)))))
238 (defvar print-quoted)
239 (defvar print-escape-multibyte)
240 (defun riece-save-variables-files ()
241 "Save current settings to `riece-variables-file'."
242 (with-temp-file riece-saved-variables-file
243 (let ((print-quoted t)
245 print-escape-multibyte
248 (variables riece-saved-forms))
250 (prin1 `(setq ,(car variables)
251 ',(symbol-value (car variables)))
254 (setq variables (cdr variables)))))
255 (setq riece-save-variables-are-dirty nil))
258 (defun riece (&optional confirm)
259 "Connect to the IRC server and start chatting.
260 If optional argument CONFIRM is non-nil, ask which IRC server to connect."
262 (riece-read-variables-files (if noninteractive
263 (car command-line-args-left)))
264 (riece-insinuate-addons riece-addons)
265 (run-hooks 'riece-after-load-startup-hook)
266 (if (riece-server-opened)
267 (riece-command-configure-windows)
268 (if (or confirm (null riece-server))
269 (setq riece-server (completing-read "Server: " riece-server-alist)))
270 (if (stringp riece-server)
271 (setq riece-server (riece-server-name-to-server riece-server)))
272 (riece-create-buffers)
273 (if riece-max-buffer-size
274 (setq riece-shrink-buffer-idle-timer
275 (riece-run-with-idle-timer
276 riece-shrink-buffer-idle-time-delay t
278 (let ((buffers riece-buffer-list))
280 (if (eq (derived-mode-class
281 (with-current-buffer (car buffers)
283 'riece-dialogue-mode)
284 (riece-shrink-buffer (car buffers)))
285 (setq buffers (cdr buffers))))))))
286 (switch-to-buffer riece-command-buffer)
287 (riece-display-connect-signals)
288 (riece-redisplay-buffers)
289 (riece-open-server riece-server "")
290 (let ((server-list riece-startup-server-list))
292 (riece-command-open-server (car server-list))
293 (setq server-list (cdr server-list))))
294 (run-hooks 'riece-startup-hook)
295 (message "%s" (substitute-command-keys
296 "Type \\[describe-mode] for help"))))
298 (defun riece-shrink-buffer (buffer)
301 (goto-char (point-min))
302 (while (> (buffer-size) riece-max-buffer-size)
303 (let* ((inhibit-read-only t)
306 (end (progn (beginning-of-line 2) (point)))
307 (overlays (riece-overlays-in start end)))
309 (riece-delete-overlay (car overlays))
310 (setq overlays (cdr overlays)))
311 (delete-region start end)))))
314 (if riece-save-variables-are-dirty
315 (riece-save-variables-files))
316 (while riece-buffer-list
317 (if (and (get-buffer (car riece-buffer-list))
318 (buffer-live-p (car riece-buffer-list)))
319 (funcall riece-buffer-dispose-function (car riece-buffer-list)))
320 (setq riece-buffer-list (cdr riece-buffer-list)))
321 (if riece-shrink-buffer-idle-timer
322 (riece-cancel-timer riece-shrink-buffer-idle-timer))
323 (setq riece-server nil
324 riece-current-channels nil
325 riece-current-channel nil
326 riece-channel-buffer-alist nil
327 riece-user-indicator nil
328 riece-long-channel-indicator "None"
329 riece-channel-list-indicator "No channel"
330 riece-away-indicator "-"
331 riece-operator-indicator "-"
332 riece-freeze-indicator "-")
333 (delete-other-windows)
334 (run-hooks 'riece-exit-hook))
336 (defun riece-command-mode ()
337 "Major mode for Riece. Normal edit function are available.
338 Typing Return or Linefeed enters the current line in the dialogue.
339 The following special commands are available:
340 For a list of the generic commands type \\[riece-command-generic] ? RET.
341 \\{riece-command-mode-map}"
343 (kill-all-local-variables)
345 (setq riece-away-indicator "-"
346 riece-operator-indicator "-"
347 major-mode 'riece-command-mode
349 mode-line-buffer-identification
350 (riece-mode-line-buffer-identification
353 riece-operator-indicator
354 riece-freeze-indicator
358 riece-channel-indicator)))
359 (riece-simplify-mode-line-format)
360 (use-local-map riece-command-mode-map)
362 (unless riece-command-mode-syntax-table
363 (setq riece-command-mode-syntax-table
364 (copy-syntax-table (syntax-table)))
365 (set-syntax-table riece-command-mode-syntax-table)
367 (lambda (c) (modify-syntax-entry c "w"))
370 (run-hooks 'riece-command-mode-hook))
372 (defun riece-dialogue-mode ()
373 "Major mode for displaying the IRC dialogue.
374 All normal editing commands are turned off.
375 Instead, these commands are available:
376 \\{riece-dialogue-mode-map}"
377 (kill-all-local-variables)
378 (make-local-variable 'riece-freeze)
379 (setq riece-freeze riece-default-freeze
380 riece-away-indicator "-"
381 riece-operator-indicator "-"
382 major-mode 'riece-dialogue-mode
384 mode-line-buffer-identification
385 (riece-mode-line-buffer-identification
388 riece-operator-indicator
389 riece-freeze-indicator
391 riece-channel-list-indicator " "))
393 (riece-simplify-mode-line-format)
394 (use-local-map riece-dialogue-mode-map)
395 (buffer-disable-undo)
396 (run-hooks 'riece-dialogue-mode-hook))
398 (define-derived-mode riece-others-mode riece-dialogue-mode
400 "Major mode for displaying the IRC others message except current channel.
401 All normal editing commands are turned off.
402 Instead, these commands are available:
403 \\{riece-others-mode-map}")
405 (define-derived-mode riece-channel-mode riece-dialogue-mode
407 "Major mode for displaying the IRC current channel buffer.
408 All normal editing commands are turned off.
409 Instead, these commands are available:
410 \\{riece-channel-mode-map}"
411 (setq mode-line-buffer-identification
412 (riece-mode-line-buffer-identification
415 riece-operator-indicator
416 riece-freeze-indicator
418 riece-long-channel-indicator))))
420 (defun riece-channel-list-mode ()
421 "Major mode for displaying channel list.
422 All normal editing commands are turned off."
423 (kill-all-local-variables)
424 (buffer-disable-undo)
425 (setq major-mode 'riece-channel-list-mode
427 mode-line-buffer-identification
428 (riece-mode-line-buffer-identification '("Riece: "))
431 (make-local-hook 'riece-update-buffer-functions)
432 (add-hook 'riece-update-buffer-functions
433 'riece-update-channel-list-buffer nil t)
434 (use-local-map riece-channel-list-mode-map)
435 (run-hooks 'riece-channel-list-mode-hook))
437 (defun riece-user-list-mode ()
438 "Major mode for displaying members in the IRC current channel buffer.
439 All normal editing commands are turned off.
440 Instead, these commands are available:
441 \\{riece-user-list-mode-map}"
442 (kill-all-local-variables)
443 (buffer-disable-undo)
444 (setq major-mode 'riece-user-list-mode
446 mode-line-buffer-identification
447 (riece-mode-line-buffer-identification
448 '("Riece: " riece-long-channel-indicator " "))
451 (if (boundp 'transient-mark-mode)
452 (set (make-local-variable 'transient-mark-mode) t))
453 (make-local-hook 'riece-update-buffer-functions)
454 (add-hook 'riece-update-buffer-functions
455 'riece-update-user-list-buffer nil t)
456 (use-local-map riece-user-list-mode-map)
457 (run-hooks 'riece-user-list-mode-hook))
459 (defun riece-create-buffers ()
460 (let ((alist riece-buffer-alist))
463 (set-buffer (apply #'riece-get-buffer-create
465 (set (car (car alist)) (current-buffer))
466 (unless (or (null (nth 2 (car alist)))
467 (eq major-mode (nth 2 (car alist))))
468 (funcall (nth 2 (car alist))))
469 (setq alist (cdr alist))))))
471 (defun riece-load-and-build-addon-dependencies (addons)
472 (let ((load-path (cons riece-addon-directory load-path))
475 (require (car addons)) ;error will be reported here
477 (funcall (or (intern-soft
478 (concat (symbol-name (car addons)) "-requires"))
482 ;; Increment succs' pred count.
483 (if (setq entry (assq (car addons) dependencies))
484 (setcar (cdr entry) (+ (length requires) (nth 1 entry)))
485 (setq dependencies (cons (list (car addons) (length requires))
487 ;; Merge pred's succs.
489 (if (setq entry (assq (car pointer) dependencies))
491 (cons (car addons) (nthcdr 2 entry)))
492 (setq dependencies (cons (list (car pointer) 0 (car addons))
494 (setq pointer (cdr pointer))))
495 (setq addons (cdr addons)))
498 (defun riece-insinuate-addons (addons)
499 (let ((pointer addons)
503 (if (memq (car pointer) (cdr pointer))
504 (setcar pointer nil))
505 (setq pointer (cdr pointer)))
506 (setq dependencies (riece-load-and-build-addon-dependencies
508 pointer dependencies)
511 (if (zerop (nth 1 (car pointer)))
512 (setq dependencies (delq (car pointer) dependencies)
513 queue (cons (car pointer) queue)))
514 (setq pointer (cdr pointer)))
517 (setq addons (cons (car (car queue)) addons)
518 pointer (nthcdr 2 (car queue)))
520 (let* ((entry (assq (car pointer) dependencies))
521 (count (1- (nth 1 entry))))
524 (setq dependencies (delq entry dependencies)
525 queue (nconc queue (list entry))))
526 (setcar (cdr entry) count)))
527 (setq pointer (cdr pointer)))
528 (setq queue (cdr queue)))
530 (error "Circular add-on dependency found"))
531 (setq addons (nreverse addons))
533 (require (car addons)) ;implicit dependency
534 (funcall (intern (concat (symbol-name (car addons)) "-insinuate")))
536 (message "Add-on %S is loaded" (car addons)))
537 (setq addons (cdr addons)))))
541 ;;; riece.el ends here