1 ;;; riece-unread.el --- "unread message mark" add-on
2 ;; Copyright (C) 1998-2003 Daiki Ueno
4 ;; Author: Daiki Ueno <ueno@unixuser.org>
5 ;; Keywords: IRC, riece
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 ;; This add-on marks channels where new messages are arrived.
28 ;; You can check the unread channels via `C-c g' in the commands
29 ;; buffer, by adding the following lines to ~/.riece/init.el:
31 ;; (add-hook 'riece-guess-channel-try-functions
32 ;; 'riece-guess-channel-from-unread)
36 (require 'riece-message)
37 (require 'riece-commands)
38 (require 'riece-signal)
40 (eval-when-compile (require 'riece-highlight))
42 (defgroup riece-unread nil
43 "Mark unread channels"
48 (defface riece-channel-list-unread-face
51 (:foreground "orange"))
54 (:foreground "firebrick"))
57 "Face used for displaying unread channels."
58 :group 'riece-highlight-faces)
59 (defvar riece-channel-list-unread-face 'riece-channel-list-unread-face)
61 (unless (riece-facep 'riece-modeline-unread-face)
62 (make-face 'riece-modeline-unread-face
63 "Face used for displaying unread channels in modeline.")
64 (if (featurep 'xemacs)
65 (set-face-parent 'riece-modeline-unread-face 'modeline))
66 (set-face-foreground 'riece-modeline-unread-face
67 (face-foreground 'riece-channel-list-unread-face)))
69 (defvar riece-unread-channels nil)
71 (defvar riece-unread-enabled nil)
73 (defconst riece-unread-description
74 "Mark channels where \"unread\" messages arrived")
76 (defun riece-unread-after-display-message-function (message)
77 (if riece-unread-enabled
78 (let ((target (if (riece-message-private-p message)
79 (riece-message-speaker message)
80 (riece-message-target message))))
81 (unless (or (riece-message-own-p message)
82 (riece-message-type message)
83 (riece-identity-equal target riece-current-channel)
84 (riece-identity-member target riece-unread-channels))
85 (setq riece-unread-channels (cons target riece-unread-channels))
86 (riece-emit-signal 'channel-list-changed)))))
88 (defun riece-unread-after-switch-to-channel-function (last)
89 (if riece-unread-enabled
90 (setq riece-unread-channels
91 (delete riece-current-channel
92 riece-unread-channels))))
94 (defun riece-unread-format-identity-for-channel-list-buffer (index identity)
95 (if (and riece-unread-enabled
96 (riece-identity-member identity riece-unread-channels))
97 (concat (format "%2d:!" index)
98 (riece-format-identity identity))))
100 (defun riece-unread-format-identity-for-channel-list-indicator (index identity)
101 (if (and riece-unread-enabled
102 (riece-identity-member identity riece-unread-channels))
103 (let ((string (riece-format-identity identity))
106 (while (string-match "%" string start)
107 (setq start (1+ (match-end 0))
108 string (replace-match "%%" nil nil string)))
109 (list (format "%d:" index)
110 (riece-propertize-modeline-string
111 string 'face 'riece-modeline-unread-face)))))
113 (defun riece-unread-switch-to-channel ()
115 (if riece-unread-channels
116 (let ((channel (car riece-unread-channels)))
117 (if (riece-identity-member channel riece-current-channels)
118 (riece-command-switch-to-channel channel)
119 (setq riece-unread-channels
120 (delete channel riece-unread-channels))
121 (riece-unread-switch-to-channel)))
122 (error "No unread channel!")))
124 (defun riece-guess-channel-from-unread ()
125 riece-unread-channels)
127 (defun riece-unread-requires ()
129 (if (memq 'riece-highlight riece-addons)
130 (setq requires (cons 'riece-highlight requires)))
131 ;;; (if (memq 'riece-guess riece-addons)
132 ;;; (setq requires (cons 'riece-guess requires)))
135 (defun riece-unread-insinuate ()
136 (add-hook 'riece-after-display-message-functions
137 'riece-unread-after-display-message-function)
138 (add-hook 'riece-after-switch-to-channel-functions
139 'riece-unread-after-switch-to-channel-function)
140 (add-hook 'riece-format-identity-for-channel-list-buffer-functions
141 'riece-unread-format-identity-for-channel-list-buffer)
142 (add-hook 'riece-format-identity-for-channel-list-indicator-functions
143 'riece-unread-format-identity-for-channel-list-indicator)
144 (if (memq 'riece-highlight riece-addons)
145 (setq riece-channel-list-mark-face-alist
146 (cons '(?! . riece-channel-list-unread-face)
147 riece-channel-list-mark-face-alist)))
148 ;;; (if (memq 'riece-guess riece-addons)
149 ;;; (add-hook 'riece-guess-channel-try-functions
150 ;;; 'riece-guess-channel-from-unread))
153 (defvar riece-command-mode-map)
154 (defvar riece-dialogue-mode-map)
155 (defvar riece-channel-list-mode-map)
156 (defun riece-unread-enable ()
157 (define-key riece-command-mode-map
158 "\C-c\C-u" 'riece-unread-switch-to-channel)
159 (define-key riece-dialogue-mode-map
160 "u" 'riece-unread-switch-to-channel)
161 (define-key riece-channel-list-mode-map
162 "u" 'riece-unread-switch-to-channel)
163 (setq riece-unread-enabled t)
164 (riece-emit-signal 'channel-list-changed))
166 (defun riece-unread-disable ()
167 (define-key riece-command-mode-map
169 (define-key riece-dialogue-mode-map
171 (define-key riece-channel-list-mode-map
173 (setq riece-unread-channels nil
174 riece-unread-enabled nil)
175 (riece-emit-signal 'channel-list-changed))
177 (provide 'riece-unread)
179 ;;; riece-unread.el ends here