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 (defvar riece-unread-channels nil)
63 (defvar riece-unread-enabled nil)
65 (defconst riece-unread-description
66 "Mark channels where \"unread\" messages arrived")
68 (defun riece-unread-after-display-message-function (message)
69 (if riece-unread-enabled
70 (let ((target (if (riece-message-private-p message)
71 (riece-message-speaker message)
72 (riece-message-target message))))
73 (unless (or (riece-message-own-p message)
74 (riece-message-type message)
75 (riece-identity-equal target riece-current-channel)
76 (riece-identity-member target riece-unread-channels))
77 (setq riece-unread-channels (cons target riece-unread-channels))
78 (riece-emit-signal 'channel-list-changed)))))
80 (defun riece-unread-after-switch-to-channel-function (last)
81 (if riece-unread-enabled
82 (setq riece-unread-channels
83 (delete riece-current-channel
84 riece-unread-channels))))
86 (defun riece-unread-format-identity-for-channel-list-buffer (index identity)
87 (if (and riece-unread-enabled
88 (riece-identity-member identity riece-unread-channels))
89 (concat (format "%2d:!" index)
90 (riece-format-identity identity))))
92 (defun riece-unread-format-identity-for-channel-list-indicator (index identity)
93 (if (and riece-unread-enabled
94 (riece-identity-member identity riece-unread-channels))
95 (let ((string (riece-format-identity identity))
98 (while (string-match "%" string start)
99 (setq start (1+ (match-end 0))
100 string (replace-match "%%" nil nil string)))
101 (list (format "%d:" index)
102 (riece-propertize-modeline-string
103 string 'face 'riece-channel-list-unread-face)))))
105 (defun riece-unread-switch-to-channel ()
107 (if riece-unread-channels
108 (let ((channel (car riece-unread-channels)))
109 (if (riece-identity-member channel riece-current-channels)
110 (riece-command-switch-to-channel channel)
111 (setq riece-unread-channels
112 (delete channel riece-unread-channels))
113 (riece-unread-switch-to-channel)))
114 (error "No unread channel!")))
116 (defun riece-guess-channel-from-unread ()
117 riece-unread-channels)
119 (defun riece-unread-requires ()
121 (if (memq 'riece-highlight riece-addons)
122 (setq requires (cons 'riece-highlight requires)))
123 ;;; (if (memq 'riece-guess riece-addons)
124 ;;; (setq requires (cons 'riece-guess requires)))
127 (defun riece-unread-insinuate ()
128 (add-hook 'riece-after-display-message-functions
129 'riece-unread-after-display-message-function)
130 (add-hook 'riece-after-switch-to-channel-functions
131 'riece-unread-after-switch-to-channel-function)
132 (add-hook 'riece-format-identity-for-channel-list-buffer-functions
133 'riece-unread-format-identity-for-channel-list-buffer)
134 (add-hook 'riece-format-identity-for-channel-list-indicator-functions
135 'riece-unread-format-identity-for-channel-list-indicator)
136 (if (memq 'riece-highlight riece-addons)
137 (setq riece-channel-list-mark-face-alist
138 (cons '(?! . riece-channel-list-unread-face)
139 riece-channel-list-mark-face-alist)))
140 ;;; (if (memq 'riece-guess riece-addons)
141 ;;; (add-hook 'riece-guess-channel-try-functions
142 ;;; 'riece-guess-channel-from-unread))
145 (defvar riece-command-mode-map)
146 (defvar riece-dialogue-mode-map)
147 (defvar riece-channel-list-mode-map)
148 (defun riece-unread-enable ()
149 (define-key riece-command-mode-map
150 "\C-c\C-u" 'riece-unread-switch-to-channel)
151 (define-key riece-dialogue-mode-map
152 "u" 'riece-unread-switch-to-channel)
153 (define-key riece-channel-list-mode-map
154 "u" 'riece-unread-switch-to-channel)
155 (setq riece-unread-enabled t)
156 (riece-emit-signal 'channel-list-changed))
158 (defun riece-unread-disable ()
159 (define-key riece-command-mode-map
161 (define-key riece-dialogue-mode-map
163 (define-key riece-channel-list-mode-map
165 (setq riece-unread-enabled nil)
166 (riece-emit-signal 'channel-list-changed))
168 (provide 'riece-unread)
170 ;;; riece-unread.el ends here