1 ;;; riece-display.el --- buffer arrangement
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-options)
28 (require 'riece-channel)
31 (defcustom riece-configure-windows-function #'riece-configure-windows
32 "Function to configure windows."
36 (defcustom riece-configure-windows-predicate
37 #'riece-configure-windows-predicate
38 "Function to check whether window reconfiguration is needed."
42 (defvar riece-update-buffer-functions
43 '(riece-update-user-list-buffer
44 riece-update-channel-list-buffer
45 riece-update-status-indicators
46 riece-update-channel-indicator
47 riece-update-short-channel-indicator
48 riece-update-channel-list-indicator))
50 (defvar riece-redisplay-buffer nil
51 "Non-nil means the buffer needs to be updated.
52 Local to the buffers.")
54 (defun riece-configure-windows ()
55 (let ((buffer (window-buffer))
57 (and riece-user-list-buffer-mode
59 ;; User list buffer is nuisance for private conversation.
60 (riece-channel-p (riece-identity-prefix
61 riece-current-channel)))))
62 ;; Can't expand minibuffer to full frame.
63 (if (eq (selected-window) (minibuffer-window))
65 (delete-other-windows)
66 (if (and riece-current-channel
67 (or show-user-list riece-channel-list-buffer-mode))
68 (let ((rest-window (split-window (selected-window)
69 (/ (window-width) 5) t)))
70 (if (and show-user-list riece-channel-list-buffer-mode)
72 (set-window-buffer (split-window)
73 riece-channel-list-buffer)
74 (set-window-buffer (selected-window)
75 riece-user-list-buffer))
77 (set-window-buffer (selected-window)
78 riece-user-list-buffer)
79 (if riece-channel-list-buffer-mode
80 (set-window-buffer (selected-window)
81 riece-channel-list-buffer))))
82 (select-window rest-window)))
83 (if (and riece-current-channel
84 riece-channel-buffer-mode)
85 (let ((rest-window (split-window)))
86 (set-window-buffer (selected-window)
88 (set-window-buffer (split-window rest-window 4)
90 (with-current-buffer riece-channel-buffer
91 (setq truncate-partial-width-windows nil))
92 (with-current-buffer riece-others-buffer
93 (setq truncate-partial-width-windows nil))
94 (set-window-buffer rest-window
95 riece-command-buffer))
96 (set-window-buffer (split-window (selected-window) 4)
97 riece-dialogue-buffer)
98 (set-window-buffer (selected-window)
99 riece-command-buffer))
100 (riece-set-window-points)
101 (select-window (or (get-buffer-window buffer)
102 (get-buffer-window riece-command-buffer)))))
104 (defun riece-set-window-points ()
105 (if (get-buffer-window riece-user-list-buffer)
106 (with-current-buffer riece-user-list-buffer
107 (unless (riece-frozen riece-user-list-buffer)
108 (set-window-start (get-buffer-window riece-user-list-buffer)
110 (if (get-buffer-window riece-channel-list-buffer)
111 (with-current-buffer riece-channel-list-buffer
112 (unless (riece-frozen riece-channel-list-buffer)
113 (set-window-start (get-buffer-window riece-channel-list-buffer)
116 (defun riece-update-user-list-buffer ()
118 (set-buffer riece-user-list-buffer)
119 (when (and riece-redisplay-buffer
120 riece-current-channel
121 (riece-channel-p (riece-identity-prefix riece-current-channel)))
122 (let (users operators speakers)
123 (with-current-buffer (process-buffer (riece-server-process
124 (riece-identity-server
125 riece-current-channel)))
127 (riece-channel-get-users
128 (riece-identity-prefix riece-current-channel))
130 (riece-channel-get-operators
131 (riece-identity-prefix riece-current-channel))
133 (riece-channel-get-speakers
134 (riece-identity-prefix riece-current-channel))))
135 (let ((inhibit-read-only t)
139 (if (member (car users) operators)
140 (insert "@" (car users) "\n")
141 (if (member (car users) speakers)
142 (insert "+" (car users) "\n")
143 (insert " " (car users) "\n")))
144 (setq users (cdr users)))))
145 (setq riece-redisplay-buffer nil))))
147 (defun riece-update-channel-list-buffer ()
149 (set-buffer riece-channel-list-buffer)
150 (when riece-redisplay-buffer
151 (let ((inhibit-read-only t)
154 (channels riece-current-channels))
158 (let ((point (point)))
159 (insert (format "%2d: %s\n" index
160 (riece-format-identity (car channels))))
161 (put-text-property point (point) 'riece-identity
163 (setq index (1+ index)
164 channels (cdr channels))))
165 (setq riece-redisplay-buffer nil))))
167 (defun riece-update-channel-indicator ()
168 (setq riece-channel-indicator
169 (if riece-current-channel
170 (if (riece-channel-p (riece-identity-prefix riece-current-channel))
171 (riece-concat-channel-modes
172 riece-current-channel
173 (riece-concat-channel-topic
174 riece-current-channel
175 (riece-format-identity riece-current-channel)))
176 (riece-format-identity riece-current-channel))
179 (defun riece-update-short-channel-indicator ()
180 (setq riece-short-channel-indicator
181 (if riece-current-channel
182 (riece-format-identity riece-current-channel)
185 (defun riece-update-channel-list-indicator ()
186 (if (and riece-current-channels
187 ;; There is at least one channel.
188 (delq nil (copy-sequence riece-current-channels)))
190 (setq riece-channel-list-indicator
197 (format "%d:%s" index
198 (riece-format-identity channel)))
199 (setq index (1+ index))))
200 riece-current-channels))
202 (setq riece-channel-list-indicator "No channel")))
204 (defun riece-update-status-indicators ()
205 (if riece-current-channel
206 (with-current-buffer riece-command-buffer
207 (riece-with-server-buffer (riece-identity-server riece-current-channel)
208 (setq riece-away-indicator
209 (if (and riece-real-nickname
210 (riece-user-get-away riece-real-nickname))
213 riece-operator-indicator
214 (if (and riece-real-nickname
215 (riece-user-get-operator riece-real-nickname))
218 riece-user-indicator riece-real-nickname))))
219 (setq riece-freeze-indicator
220 (with-current-buffer (if (and riece-channel-buffer-mode
221 riece-channel-buffer)
223 riece-dialogue-buffer)
224 (if (eq riece-freeze 'own)
230 (defun riece-update-buffers ()
231 (if riece-current-channel
232 (setq riece-channel-buffer (get-buffer (riece-channel-buffer-name
233 riece-current-channel))))
234 (run-hooks 'riece-update-buffer-functions)
235 (force-mode-line-update t))
237 (defun riece-channel-buffer-name (identity)
238 (format riece-channel-buffer-format (riece-format-identity identity)))
241 (autoload 'riece-channel-mode "riece"))
242 (defun riece-channel-buffer-create (identity)
244 (riece-get-buffer-create (riece-channel-buffer-name identity))
245 (unless (eq major-mode 'riece-channel-mode)
247 (let (buffer-read-only)
248 (riece-insert-info (current-buffer)
249 (concat "Created on "
250 (funcall riece-format-time-function
253 (run-hook-with-args 'riece-channel-buffer-create-functions identity)))
256 (defun riece-switch-to-channel (identity)
257 (setq riece-last-channel riece-current-channel
258 riece-current-channel identity)
259 (with-current-buffer riece-user-list-buffer
260 (setq riece-redisplay-buffer t))
261 (run-hooks 'riece-channel-switch-hook))
263 (defun riece-join-channel (identity)
264 (unless (riece-identity-member identity riece-current-channels)
265 (setq riece-current-channels
266 (riece-identity-assign-binding identity riece-current-channels
267 riece-default-channel-binding))
268 (riece-channel-buffer-create identity)
269 (with-current-buffer riece-channel-list-buffer
270 (setq riece-redisplay-buffer t))))
272 (defun riece-switch-to-nearest-channel (pointer)
273 (let ((start riece-current-channels)
275 (while (and start (not (eq start pointer)))
277 (setq identity (car start)))
278 (setq start (cdr start)))
281 (null (car pointer)))
282 (setq pointer (cdr pointer)))
283 (setq identity (car pointer)))
285 (riece-switch-to-channel identity)
286 (setq riece-last-channel riece-current-channel
287 riece-current-channel nil))))
289 (defun riece-part-channel (identity)
290 (let ((pointer (riece-identity-member identity riece-current-channels)))
292 (setcar pointer nil))
293 (if (riece-identity-equal identity riece-current-channel)
294 (riece-switch-to-nearest-channel pointer))
295 (with-current-buffer riece-channel-list-buffer
296 (setq riece-redisplay-buffer t))))
298 (defun riece-configure-windows-predicate ()
299 ;; The current channel is changed, and some buffers are visible.
300 (unless (equal riece-last-channel riece-current-channel)
301 (let ((buffers riece-buffer-list))
304 (if (and (buffer-live-p (car buffers))
305 (get-buffer-window (car buffers)))
307 (setq buffers (cdr buffers))))))))
309 (defun riece-redisplay-buffers (&optional force)
310 (riece-update-buffers)
312 (funcall riece-configure-windows-predicate))
313 (funcall riece-configure-windows-function))
314 (run-hooks 'riece-redisplay-buffers-hook))
316 (provide 'riece-display)
318 ;;; riece-display.el ends here