1 ;;; riece-message.el --- generate and display message line
2 ;; Copyright (C) 1999-2003 Daiki Ueno
4 ;; Author: Daiki Ueno <ueno@unixuser.org>
7 ;; This file is part of Riece.
9 ;; This program is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; This program is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
26 (require 'riece-identity)
27 (require 'riece-channel)
29 (require 'riece-display)
32 (defgroup riece-message nil
38 (defcustom riece-message-make-open-bracket-function
39 #'riece-message-make-open-bracket
40 "Function which makes `open-bracket' string for each message."
42 :group 'riece-message)
44 (defcustom riece-message-make-close-bracket-function
45 #'riece-message-make-close-bracket
46 "Function which makes `close-bracket' string for each message."
48 :group 'riece-message)
50 (defcustom riece-message-make-name-function
51 #'riece-message-make-name
52 "Function which makes local identity for each message."
54 :group 'riece-message)
56 (defcustom riece-message-make-global-name-function
57 #'riece-message-make-global-name
58 "Function which makes global identity for each message."
60 :group 'riece-message)
62 (defun riece-message-make-open-bracket (message)
63 "Makes `open-bracket' string for MESSAGE."
64 (if (riece-message-own-p message)
66 (if (eq (riece-message-type message) 'notice)
68 (if (riece-message-private-p message)
70 (if (riece-message-external-p message)
74 (defun riece-message-make-close-bracket (message)
75 "Makes `close-bracket' string for MESSAGE."
76 (if (riece-message-own-p message)
78 (if (eq (riece-message-type message) 'notice)
80 (if (riece-message-private-p message)
82 (if (riece-message-external-p message)
86 (defun riece-message-make-name (message)
87 "Makes local identity for MESSAGE."
88 (if (and (riece-message-private-p message)
89 (riece-message-own-p message))
90 (riece-identity-prefix (riece-message-target message))
91 (riece-identity-prefix (riece-message-speaker message))))
93 (defun riece-message-make-global-name (message)
94 "Makes global identity for MESSAGE."
95 (if (riece-message-private-p message)
96 (if (riece-message-own-p message)
97 (riece-identity-prefix (riece-message-target message))
98 (riece-identity-prefix (riece-message-speaker message)))
99 (concat (riece-decode-identity (riece-message-target message) t) ":"
100 (riece-identity-prefix (riece-message-speaker message)))))
102 (defun riece-message-buffer (message)
103 "Return the buffer where MESSAGE should appear."
104 (let* ((target (if (riece-identity-equal
105 (riece-message-target message)
106 (riece-current-nickname))
107 (riece-message-speaker message)
108 (riece-message-target message)))
109 (buffer (riece-channel-buffer-name target)))
110 (unless (get-buffer buffer)
111 (riece-join-channel target)
112 ;; If you are not joined any channel,
113 ;; switch to the target immediately.
114 (unless riece-current-channel
115 (riece-switch-to-channel target))
116 (riece-redisplay-buffers))
119 (defun riece-message-parent-buffers (message buffer)
120 "Return the parents of BUFFER where MESSAGE should appear.
121 Normally they are *Dialogue* and/or *Others*."
122 (if (or (and buffer (riece-frozen buffer))
123 (and riece-current-channel
124 (if (riece-message-private-p message)
125 (not (riece-identity-equal
126 (riece-message-speaker message)
127 riece-current-channel))
128 (not (riece-identity-equal
129 (riece-message-target message)
130 riece-current-channel)))))
131 (list riece-dialogue-buffer riece-others-buffer)
132 riece-dialogue-buffer))
134 (defun riece-display-message (message)
135 "Display MESSAGE object."
137 (funcall riece-message-make-open-bracket-function message))
139 (funcall riece-message-make-close-bracket-function message))
141 (funcall riece-message-make-name-function message))
143 (funcall riece-message-make-global-name-function message))
144 (buffer (riece-message-buffer message))
147 (riece-message-own-p message)
148 (riece-own-frozen buffer))
149 (with-current-buffer buffer
150 (setq riece-freeze nil))
151 (riece-update-status-indicators))
152 (setq parent-buffers (riece-message-parent-buffers message buffer))
154 (concat open-bracket name close-bracket
155 " " (riece-message-text message) "\n"))
156 (riece-insert parent-buffers
158 (riece-concat-server-name
159 (concat open-bracket global-name close-bracket
160 " " (riece-message-text message)))
162 (run-hook-with-args 'riece-after-display-message-functions message)))
164 (defun riece-make-message (speaker target text &optional type own-p)
165 "Make an instance of message object.
166 Arguments are appropriate to the sender, the receiver, and text
167 content, respectively.
168 Optional 4th argument TYPE specifies the type of the message.
169 Currently possible values are `action' and `notice'.
170 Optional 5th argument is the flag to indicate that this message is not
172 (vector speaker target text type own-p))
174 (defun riece-message-speaker (message)
175 "Return the sender of MESSAGE."
178 (defun riece-message-target (message)
179 "Return the receiver of MESSAGE."
182 (defun riece-message-text (message)
183 "Return the text part of MESSAGE."
186 (defun riece-message-type (message)
187 "Return the type of MESSAGE.
188 Currently possible values are `action' and `notice'."
191 (defun riece-message-own-p (message)
192 "Return t if MESSAGE is not from the network."
195 (defun riece-message-private-p (message)
196 "Return t if MESSAGE is a private message."
197 (if (riece-message-own-p message)
198 (not (riece-channel-p (riece-identity-prefix
199 (riece-message-target message))))
200 (riece-identity-equal
201 (riece-message-target message)
202 (riece-current-nickname))))
204 (defun riece-message-external-p (message)
205 "Return t if MESSAGE is from outside the channel."
206 (not (riece-identity-member
207 (riece-message-speaker message)
208 (let ((target (riece-message-target message)))
209 (riece-with-identity-buffer target
212 (riece-make-identity user (riece-identity-server target)))
213 (riece-channel-get-users (riece-identity-prefix target))))))))
215 (defun riece-own-channel-message (message &optional channel type)
216 "Display MESSAGE as you sent to CHNL."
217 (riece-display-message
218 (riece-make-message (riece-current-nickname)
219 (or channel riece-current-channel)
222 (provide 'riece-message)
224 ;;; riece-message.el ends here