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 "Make `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 "Make `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 "Make local identity for MESSAGE."
88 (if (riece-message-private-p message)
89 (if (riece-message-own-p message)
90 (riece-format-identity (riece-message-target message) t)
91 (riece-format-identity (riece-message-speaker message) t))
92 (riece-format-identity (riece-message-speaker message) t)))
94 (defun riece-message-make-global-name (message)
95 "Make global identity for MESSAGE."
96 (if (riece-message-private-p message)
97 (if (riece-message-own-p message)
98 (riece-format-identity (riece-message-target message) t)
99 (riece-format-identity (riece-message-speaker message) t))
100 (concat (riece-format-identity (riece-message-target message) t) ":"
101 (riece-format-identity (riece-message-speaker message) t))))
103 (defun riece-message-buffer (message)
104 "Return the buffer where MESSAGE should appear."
105 (let ((target (if (riece-message-private-p message)
106 (if (riece-message-own-p message)
107 (riece-message-target message)
108 (riece-message-speaker message))
109 (riece-message-target message))))
110 (unless (riece-identity-member target riece-current-channels)
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))
117 (riece-channel-buffer-name target)))
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 (and buffer (riece-frozen buffer)) ;the message might not be
123 ;visible in buffer's window
124 (list riece-dialogue-buffer riece-others-buffer)
125 (if (and riece-current-channel ;the message is not sent to
127 (if (riece-message-private-p message)
128 (if (riece-message-own-p message)
129 (not (riece-identity-equal
130 (riece-message-target message)
131 riece-current-channel))
132 (not (riece-identity-equal
133 (riece-message-speaker message)
134 riece-current-channel)))
135 (not (riece-identity-equal
136 (riece-message-target message)
137 riece-current-channel))))
138 (list riece-dialogue-buffer riece-others-buffer)
139 riece-dialogue-buffer)))
141 (defun riece-display-message (message)
142 "Display MESSAGE object."
144 (funcall riece-message-make-open-bracket-function message))
146 (funcall riece-message-make-close-bracket-function message))
148 (funcall riece-message-make-name-function message))
150 (funcall riece-message-make-global-name-function message))
151 (buffer (riece-message-buffer message))
152 (server-name (riece-identity-server (riece-message-speaker message)))
155 (riece-message-own-p message)
156 (riece-own-frozen buffer))
157 (with-current-buffer buffer
158 (setq riece-freeze nil))
159 (riece-update-status-indicators))
160 (setq parent-buffers (riece-message-parent-buffers message buffer))
162 (concat open-bracket name close-bracket
163 " " (riece-message-text message) "\n"))
164 (riece-insert parent-buffers
165 (if (equal server-name "")
166 (concat open-bracket global-name close-bracket
167 " " (riece-message-text message) "\n")
168 (concat open-bracket global-name close-bracket
169 " " (riece-message-text message)
170 " (from " server-name ")\n")))
171 (run-hook-with-args 'riece-after-display-message-functions message)))
173 (defun riece-make-message (speaker target text &optional type own-p)
174 "Make an instance of message object.
175 Arguments are appropriate to the sender, the receiver, and text
176 content, respectively.
177 Optional 4th argument TYPE specifies the type of the message.
178 Currently possible values are `action' and `notice'.
179 Optional 5th argument is the flag to indicate that this message is not
181 (vector speaker target text type own-p))
183 (defun riece-message-speaker (message)
184 "Return the sender of MESSAGE."
187 (defun riece-message-target (message)
188 "Return the receiver of MESSAGE."
191 (defun riece-message-text (message)
192 "Return the text part of MESSAGE."
195 (defun riece-message-type (message)
196 "Return the type of MESSAGE.
197 Currently possible values are `action' and `notice'."
200 (defun riece-message-own-p (message)
201 "Return t if MESSAGE is not from the network."
204 (defun riece-message-private-p (message)
205 "Return t if MESSAGE is a private message."
206 (not (or (riece-channel-p (riece-identity-prefix
207 (riece-message-speaker message)))
208 (riece-channel-p (riece-identity-prefix
209 (riece-message-target message))))))
211 (defun riece-message-external-p (message)
212 "Return t if MESSAGE is from outside the channel."
213 (not (riece-identity-member
214 (riece-message-speaker message)
215 (let ((target (riece-message-target message)))
216 (riece-with-server-buffer (riece-identity-server target)
219 (riece-make-identity user riece-server-name))
220 (riece-channel-get-users (riece-identity-prefix target))))))))
222 (provide 'riece-message)
224 ;;; riece-message.el ends here