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 (eval-when-compile (require 'riece-inlines))
28 (require 'riece-identity)
29 (require 'riece-channel)
31 (require 'riece-display)
34 (defgroup riece-message nil
40 (defcustom riece-message-make-open-bracket-function
41 #'riece-message-make-open-bracket
42 "Function which makes `open-bracket' string for each message."
44 :group 'riece-message)
46 (defcustom riece-message-make-close-bracket-function
47 #'riece-message-make-close-bracket
48 "Function which makes `close-bracket' string for each message."
50 :group 'riece-message)
52 (defcustom riece-message-make-name-function
53 #'riece-message-make-name
54 "Function which makes local identity for each message."
56 :group 'riece-message)
58 (defcustom riece-message-make-global-name-function
59 #'riece-message-make-global-name
60 "Function which makes global identity for each message."
62 :group 'riece-message)
64 (defun riece-message-make-open-bracket (message)
65 "Makes `open-bracket' string for MESSAGE."
66 (if (riece-message-own-p message)
68 (if (eq (riece-message-type message) 'notice)
70 (if (riece-message-private-p message)
72 (if (riece-message-external-p message)
76 (defun riece-message-make-close-bracket (message)
77 "Makes `close-bracket' string for MESSAGE."
78 (if (riece-message-own-p message)
80 (if (eq (riece-message-type message) 'notice)
82 (if (riece-message-private-p message)
84 (if (riece-message-external-p message)
88 (defun riece-message-make-name (message)
89 "Makes local identity for MESSAGE."
90 (riece-identity-prefix
91 (if (and (riece-message-private-p message)
92 (riece-message-own-p message))
93 (riece-message-target message)
94 (riece-message-speaker message))))
96 (defun riece-message-make-global-name (message)
97 "Makes global identity for MESSAGE."
98 (if (riece-message-private-p message)
99 (if (riece-message-own-p message)
100 (riece-identity-prefix (riece-message-target message))
101 (riece-identity-prefix (riece-message-speaker message)))
102 (concat (riece-identity-prefix (riece-message-target message)) ":"
103 (riece-identity-prefix (riece-message-speaker message)))))
105 (defun riece-message-buffer (message)
106 "Return the buffer where MESSAGE should appear."
107 (let* ((target (if (riece-identity-equal-no-server
108 (riece-message-target message)
109 (riece-current-nickname))
110 (riece-message-speaker message)
111 (riece-message-target message)))
112 (entry (riece-identity-assoc-no-server
113 target riece-channel-buffer-alist)))
115 (riece-join-channel target)
116 ;; If you are not joined any channel,
117 ;; switch to the target immediately.
118 (unless riece-current-channel
119 (riece-switch-to-channel target))
120 (riece-redisplay-buffers)
121 (setq entry (riece-identity-assoc-no-server
122 target riece-channel-buffer-alist)))
125 (defun riece-message-parent-buffers (message buffer)
126 "Return the parents of BUFFER where MESSAGE should appear.
127 Normally they are *Dialogue* and/or *Others*."
128 (if (or (and buffer (riece-frozen buffer))
129 (and riece-current-channel
130 (not (riece-identity-equal-no-server
131 (riece-message-target message)
132 riece-current-channel))))
133 (list riece-dialogue-buffer riece-others-buffer)
134 riece-dialogue-buffer))
136 (defun riece-display-message (message)
137 "Display MESSAGE object."
139 (funcall riece-message-make-open-bracket-function message))
141 (funcall riece-message-make-close-bracket-function message))
143 (funcall riece-message-make-name-function message))
145 (funcall riece-message-make-global-name-function message))
146 (buffer (riece-message-buffer message))
147 (parent-buffers (riece-message-parent-buffers message buffer)))
149 (concat open-bracket name close-bracket
150 " " (riece-message-text message) "\n"))
151 (riece-insert parent-buffers
153 (riece-concat-server-name
154 (concat open-bracket global-name close-bracket
155 " " (riece-message-text message)))
157 (run-hook-with-args 'riece-after-display-message-functions message)))
159 (defun riece-make-message (speaker target text &optional type own-p)
160 "Make an instance of message object.
161 Arguments are appropriate to the sender, the receiver, and text
162 content, respectively.
163 Optional 4th argument TYPE specifies the type of the message.
164 Currently possible values are `action' and `notice'.
165 Optional 5th argument is the flag to indicate that this message is not
167 (vector speaker target text type own-p))
169 (defun riece-message-speaker (message)
170 "Return the sender of MESSAGE."
173 (defun riece-message-target (message)
174 "Return the receiver of MESSAGE."
177 (defun riece-message-text (message)
178 "Return the text part of MESSAGE."
181 (defun riece-message-type (message)
182 "Return the type of MESSAGE.
183 Currently possible values are `action' and `notice'."
186 (defun riece-message-own-p (message)
187 "Return t if MESSAGE is not from the network."
190 (defun riece-message-private-p (message)
191 "Return t if MESSAGE is a private message."
192 (if (riece-message-own-p message)
193 (not (riece-channel-p (riece-message-target message)))
194 (riece-identity-equal-no-server
195 (riece-message-target message)
196 (riece-current-nickname))))
198 (defun riece-message-external-p (message)
199 "Return t if MESSAGE is from outside the channel."
200 (not (riece-identity-member-no-server
201 (riece-message-target message)
202 (mapcar #'riece-make-identity
203 (riece-user-get-channels (riece-message-speaker message))))))
205 (defun riece-own-channel-message (message &optional channel type)
206 "Display MESSAGE as you sent to CHNL."
207 (riece-display-message
208 (riece-make-message (riece-current-nickname)
209 (or channel riece-current-channel)
212 (provide 'riece-message)
214 ;;; riece-message.el ends here