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 (defvar riece-update-buffer-functions
32 '(riece-user-list-update-buffer
33 riece-channel-list-update-buffer
34 riece-update-channel-indicator
35 riece-update-channel-list-indicator))
37 (defcustom riece-configure-windows-function #'riece-configure-windows
38 "Function to configure windows."
42 (defcustom riece-configure-windows-predicate
43 #'riece-configure-windows-predicate
44 "Function to check whether window reconfiguration is needed."
48 (defun riece-configure-windows ()
49 (let ((buffer (window-buffer))
51 (and riece-user-list-buffer-mode
53 ;; User list buffer is nuisance for private conversation.
54 (riece-channel-p riece-current-channel))))
55 ;; Can't expand minibuffer to full frame.
56 (if (eq (selected-window) (minibuffer-window))
58 (delete-other-windows)
59 (if (and riece-current-channel
60 (or show-user-list riece-channel-list-buffer-mode))
61 (let ((rest-window (split-window (selected-window)
62 (/ (window-width) 5) t)))
63 (if (and show-user-list riece-channel-list-buffer-mode)
65 (set-window-buffer (split-window)
66 riece-channel-list-buffer)
67 (set-window-buffer (selected-window)
68 riece-user-list-buffer))
70 (set-window-buffer (selected-window)
71 riece-user-list-buffer)
72 (if riece-channel-list-buffer-mode
73 (set-window-buffer (selected-window)
74 riece-channel-list-buffer))))
75 (select-window rest-window)))
76 (if (and riece-current-channel
77 riece-channel-buffer-mode)
78 (let ((rest-window (split-window)))
79 (set-window-buffer (selected-window)
81 (set-window-buffer (split-window rest-window 4)
83 (with-current-buffer riece-channel-buffer
84 (setq truncate-partial-width-windows nil))
85 (with-current-buffer riece-others-buffer
86 (setq truncate-partial-width-windows nil))
87 (set-window-buffer rest-window
88 riece-command-buffer))
89 (set-window-buffer (split-window (selected-window) 4)
90 riece-dialogue-buffer)
91 (set-window-buffer (selected-window)
92 riece-command-buffer))
93 (riece-set-window-points)
94 (select-window (or (get-buffer-window buffer)
95 (get-buffer-window riece-command-buffer)))))
97 (defun riece-set-window-points ()
98 (if (and riece-user-list-buffer
99 (get-buffer-window riece-user-list-buffer))
100 (with-current-buffer riece-user-list-buffer
101 (unless (riece-frozen riece-user-list-buffer)
102 (set-window-start (get-buffer-window riece-user-list-buffer)
104 (if (and riece-channel-list-buffer
105 (get-buffer-window riece-channel-list-buffer))
106 (with-current-buffer riece-channel-list-buffer
107 (unless (riece-frozen riece-channel-list-buffer)
108 (set-window-start (get-buffer-window riece-channel-list-buffer)
111 (defun riece-user-list-update-buffer ()
112 (if (and riece-user-list-buffer
113 (get-buffer riece-user-list-buffer))
115 (set-buffer riece-user-list-buffer)
116 (when (and riece-current-channel
117 (riece-channel-p riece-current-channel))
118 (let ((inhibit-read-only t)
120 (users (riece-channel-get-users riece-current-channel))
121 (operators (riece-channel-get-operators riece-current-channel))
122 (speakers (riece-channel-get-speakers riece-current-channel)))
125 (if (member (car users) operators)
126 (insert "@" (car users) "\n")
127 (if (member (car users) speakers)
128 (insert "+" (car users) "\n")
129 (insert " " (car users) "\n")))
130 (setq users (cdr users))))))))
132 (defun riece-channel-list-update-buffer ()
133 (if (and riece-channel-list-buffer
134 (get-buffer riece-channel-list-buffer))
136 (set-buffer riece-channel-list-buffer)
137 (let ((inhibit-read-only t)
140 (channels riece-current-channels))
144 (insert (format "%2d: %s\n" index (car channels))))
145 (setq index (1+ index)
146 channels (cdr channels)))))))
148 (defun riece-update-channel-indicator ()
149 (setq riece-channel-indicator
150 (if riece-current-channel
151 (riece-concat-current-channel-modes
152 (if (and riece-current-channel
153 (riece-channel-p riece-current-channel)
154 (riece-channel-get-topic riece-current-channel))
155 (concat riece-current-channel ": "
156 (riece-channel-get-topic riece-current-channel))
157 riece-current-channel))
159 (with-current-buffer riece-command-buffer
160 (force-mode-line-update)))
162 (defun riece-update-channel-list-indicator ()
163 (if (and riece-current-channels
164 ;; There is at least one channel.
165 (delq nil (copy-sequence riece-current-channels)))
167 (setq riece-channel-list-indicator
174 (format "%d:%s" index channel))
175 (setq index (1+ index))))
176 riece-current-channels))
178 (setq riece-channel-list-indicator "No channel")))
180 (defun riece-update-buffers ()
181 (run-hooks 'riece-update-buffer-functions)
182 (force-mode-line-update t)
183 (run-hooks 'riece-update-buffers-hook))
186 (autoload 'riece-channel-mode "riece"))
187 (defun riece-channel-buffer-create (identity)
189 (riece-get-buffer-create (format riece-channel-buffer-format identity))
190 (unless (eq major-mode 'riece-channel-mode)
192 (let (buffer-read-only)
193 (riece-insert-info (current-buffer)
194 (concat "Created on "
195 (funcall riece-format-time-function
201 (autoload 'riece-user-list-mode "riece"))
202 (defun riece-user-list-buffer-create (identity)
204 (riece-get-buffer-create (format riece-user-list-buffer-format identity))
205 (unless (eq major-mode 'riece-user-list-mode)
206 (riece-user-list-mode))
209 (defun riece-switch-to-channel (identity)
210 (setq riece-last-channel riece-current-channel
211 riece-current-channel identity
213 (cdr (riece-identity-assoc-no-server
214 identity riece-channel-buffer-alist))
215 riece-user-list-buffer
216 (cdr (riece-identity-assoc-no-server
217 identity riece-user-list-buffer-alist)))
218 (run-hooks 'riece-channel-switch-hook))
220 (defun riece-join-channel (channel-name)
221 (let ((identity (riece-make-identity channel-name)))
222 (unless (riece-identity-member-no-server
223 identity riece-current-channels)
224 (setq riece-current-channels
225 (riece-identity-assign-binding
226 identity riece-current-channels
227 riece-default-channel-binding)))
228 (unless (riece-identity-assoc-no-server
229 identity riece-channel-buffer-alist)
230 (let ((buffer (riece-channel-buffer-create identity)))
231 (setq riece-channel-buffer-alist
232 (cons (cons identity buffer)
233 riece-channel-buffer-alist))))
234 (unless (riece-identity-assoc-no-server
235 identity riece-user-list-buffer-alist)
236 (let ((buffer (riece-user-list-buffer-create identity)))
237 (setq riece-user-list-buffer-alist
238 (cons (cons identity buffer)
239 riece-user-list-buffer-alist))))))
241 (defun riece-switch-to-nearest-channel (pointer)
242 (let ((start riece-current-channels)
244 (while (and start (not (eq start pointer)))
246 (setq identity (car start)))
247 (setq start (cdr start)))
250 (null (car pointer)))
251 (setq pointer (cdr pointer)))
252 (setq identity (car pointer)))
254 (riece-switch-to-channel identity)
255 (setq riece-last-channel riece-current-channel
256 riece-current-channel nil))))
258 (defun riece-part-channel (channel-name)
259 (let* ((identity (riece-make-identity channel-name))
260 (pointer (riece-identity-member-no-server
261 identity riece-current-channels)))
263 (setcar pointer nil))
265 (if (riece-identity-equal-no-server identity riece-current-channel)
266 (riece-switch-to-nearest-channel pointer))))
268 (defun riece-configure-windows-predicate ()
269 ;; The current channel is changed, and some buffers are visible.
270 (unless (equal riece-last-channel riece-current-channel)
271 (let ((buffers riece-buffer-list))
274 (if (and (buffer-live-p (car buffers))
275 (get-buffer-window (car buffers)))
277 (setq buffers (cdr buffers))))))))
279 (defun riece-redisplay-buffers (&optional force)
280 (riece-update-buffers)
282 (funcall riece-configure-windows-predicate))
283 (funcall riece-configure-windows-function))
284 (run-hooks 'riece-redisplay-buffers-hook))
286 (provide 'riece-display)
288 ;;; riece-display.el ends here