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 (current-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 (delete-other-windows)
56 (if (and riece-current-channel
57 (or show-user-list riece-channel-list-buffer-mode))
58 (let ((rest-window (split-window (selected-window)
59 (/ (window-width) 5) t)))
60 (if (and show-user-list riece-channel-list-buffer-mode)
62 (set-window-buffer (split-window)
63 riece-channel-list-buffer)
64 (set-window-buffer (selected-window)
65 riece-user-list-buffer))
67 (set-window-buffer (selected-window)
68 riece-user-list-buffer)
69 (if riece-channel-list-buffer-mode
70 (set-window-buffer (selected-window)
71 riece-channel-list-buffer))))
72 (select-window rest-window)))
73 (if (and riece-current-channel
74 riece-channel-buffer-mode)
75 (let ((rest-window (split-window)))
76 (set-window-buffer (selected-window)
78 (set-window-buffer (split-window rest-window 4)
80 (with-current-buffer riece-channel-buffer
81 (setq truncate-partial-width-windows nil))
82 (with-current-buffer riece-others-buffer
83 (setq truncate-partial-width-windows nil))
84 (set-window-buffer rest-window
85 riece-command-buffer))
86 (set-window-buffer (split-window (selected-window) 4)
87 riece-dialogue-buffer)
88 (set-window-buffer (selected-window)
89 riece-command-buffer))
90 (riece-set-window-points)
91 (select-window (or (get-buffer-window buffer)
92 (get-buffer-window riece-command-buffer)))))
94 (defun riece-set-window-points ()
95 (if (and riece-user-list-buffer
96 (get-buffer-window riece-user-list-buffer))
97 (with-current-buffer riece-user-list-buffer
98 (unless (riece-frozen riece-user-list-buffer)
99 (set-window-start (get-buffer-window riece-user-list-buffer)
101 (if (get-buffer-window riece-channel-list-buffer)
102 (with-current-buffer riece-channel-list-buffer
103 (unless (riece-frozen riece-channel-list-buffer)
104 (set-window-start (get-buffer-window riece-channel-list-buffer)
107 (defun riece-user-list-update-buffer ()
108 (if (get-buffer riece-user-list-buffer)
110 (set-buffer riece-user-list-buffer)
111 (when (and riece-current-channel
112 (riece-channel-p riece-current-channel))
113 (let ((inhibit-read-only t)
115 (users (riece-channel-get-users riece-current-channel))
116 (operators (riece-channel-get-operators riece-current-channel))
117 (speakers (riece-channel-get-speakers riece-current-channel)))
120 (if (member (car users) operators)
121 (insert "@" (car users) "\n")
122 (if (member (car users) speakers)
123 (insert "+" (car users) "\n")
124 (insert " " (car users) "\n")))
125 (setq users (cdr users))))))))
127 (defun riece-channel-list-update-buffer ()
128 (if (get-buffer riece-channel-list-buffer)
130 (set-buffer riece-channel-list-buffer)
131 (let ((inhibit-read-only t)
134 (channels riece-current-channels))
138 (insert (format "%2d:%s\n" index (car channels))))
139 (setq index (1+ index)
140 channels (cdr channels)))))))
142 (defsubst riece-update-channel-indicator ()
143 (setq riece-channel-indicator
144 (if riece-current-channel
145 (riece-concat-current-channel-modes
146 (if (and riece-current-channel
147 (riece-channel-p riece-current-channel)
148 (riece-channel-get-topic riece-current-channel))
149 (concat riece-current-channel ": "
150 (riece-channel-get-topic riece-current-channel))
151 riece-current-channel))
153 (with-current-buffer riece-command-buffer
154 (force-mode-line-update)))
156 (defun riece-update-channel-list-indicator ()
157 (if (and riece-current-channels
158 ;; There is at least one channel.
159 (delq nil (copy-sequence riece-current-channels)))
161 (setq riece-channel-list-indicator
168 (format "%d:%s" index channel))
169 (setq index (1+ index))))
170 riece-current-channels))
172 (setq riece-channel-list-indicator "No channel")))
174 (defun riece-update-buffers ()
175 (run-hooks 'riece-update-buffer-functions)
176 (force-mode-line-update t))
179 (autoload 'riece-channel-mode "riece"))
180 (defun riece-channel-buffer-create (identity)
182 (riece-get-buffer-create (format riece-channel-buffer-format identity))
183 (unless (eq major-mode 'riece-channel-mode)
185 (let (buffer-read-only)
186 (riece-insert-info (current-buffer)
187 (concat "Created on "
188 (funcall riece-format-time-function
194 (autoload 'riece-user-list-mode "riece"))
195 (defun riece-user-list-buffer-create (identity)
197 (riece-get-buffer-create (format riece-user-list-buffer-format identity))
198 (unless (eq major-mode 'riece-user-list-mode)
199 (riece-user-list-mode))
202 (defun riece-switch-to-channel (identity)
203 (setq riece-last-channel riece-current-channel
204 riece-current-channel identity
206 (cdr (riece-identity-assoc-no-server
207 identity riece-channel-buffer-alist))
208 riece-user-list-buffer
209 (cdr (riece-identity-assoc-no-server
210 identity riece-user-list-buffer-alist))))
212 (defun riece-join-channel (channel-name)
213 (let ((identity (riece-make-identity channel-name)))
214 (unless (riece-identity-member-no-server
215 identity riece-current-channels)
216 (setq riece-current-channels
217 (riece-identity-assign-binding
218 identity riece-current-channels
219 riece-default-channel-binding)))
220 (unless (riece-identity-assoc-no-server
221 identity riece-channel-buffer-alist)
222 (let ((buffer (riece-channel-buffer-create identity)))
223 (setq riece-channel-buffer-alist
224 (cons (cons identity buffer)
225 riece-channel-buffer-alist))))
226 (unless (riece-identity-assoc-no-server
227 identity riece-user-list-buffer-alist)
228 (let ((buffer (riece-user-list-buffer-create identity)))
229 (setq riece-user-list-buffer-alist
230 (cons (cons identity buffer)
231 riece-user-list-buffer-alist))))))
233 (defun riece-switch-to-nearest-channel (pointer)
234 (let ((start riece-current-channels)
236 (while (and start (not (eq start pointer)))
238 (setq identity (car start)))
239 (setq start (cdr start)))
242 (null (car pointer)))
243 (setq pointer (cdr pointer)))
244 (setq identity (car pointer)))
246 (riece-switch-to-channel identity)
247 (setq riece-last-channel riece-current-channel
248 riece-current-channel nil))))
250 (defun riece-part-channel (channel-name)
251 (let* ((identity (riece-make-identity channel-name))
252 (pointer (riece-identity-member-no-server
253 identity riece-current-channels)))
255 (setcar pointer nil))
257 (if (riece-identity-equal-no-server identity riece-current-channel)
258 (riece-switch-to-nearest-channel pointer))))
260 (defun riece-configure-windows-predicate ()
261 ;; The current channel is changed, and some buffers are visible.
262 (unless (equal riece-last-channel riece-current-channel)
263 (let ((buffers riece-buffer-list))
266 (if (and (buffer-live-p (car buffers))
267 (get-buffer-window (car buffers)))
269 (setq buffers (cdr buffers))))))))
271 (defun riece-redisplay-buffers (&optional force)
272 (riece-update-buffers)
274 (funcall riece-configure-windows-predicate))
275 (funcall riece-configure-windows-function)))
277 (provide 'riece-display)