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 (delq (car (riece-identity-member riece-current-channel
92 riece-unread-channels))
93 riece-unread-channels))))
95 (defun riece-unread-format-identity-for-channel-list-buffer (index identity)
96 (if (and riece-unread-enabled
97 (riece-identity-member identity riece-unread-channels))
98 (concat (format "%2d:!" index)
99 (riece-format-identity identity))))
101 (defun riece-unread-format-identity-for-channel-list-indicator (index identity)
102 (if (and riece-unread-enabled
103 (riece-identity-member identity riece-unread-channels))
104 (let ((string (riece-format-identity identity))
107 (while (string-match "%" string start)
108 (setq start (1+ (match-end 0))
109 string (replace-match "%%" nil nil string)))
110 (list (format "%d:" index)
111 (riece-propertize-modeline-string
112 string 'face 'riece-modeline-unread-face)))))
114 (defun riece-unread-switch-to-channel ()
116 (if riece-unread-channels
117 (let ((channel (car riece-unread-channels)))
118 (if (riece-identity-member channel riece-current-channels)
119 (riece-command-switch-to-channel channel)
120 (setq riece-unread-channels
121 (delete channel riece-unread-channels))
122 (riece-unread-switch-to-channel)))
123 (error "No unread channel!")))
125 (defun riece-guess-channel-from-unread ()
126 (reverse riece-unread-channels))
128 (defun riece-unread-requires ()
130 (if (memq 'riece-highlight riece-addons)
131 (setq requires (cons 'riece-highlight requires)))
132 ;;; (if (memq 'riece-guess riece-addons)
133 ;;; (setq requires (cons 'riece-guess requires)))
136 (defun riece-unread-insinuate ()
137 (add-hook 'riece-after-display-message-functions
138 'riece-unread-after-display-message-function)
139 (add-hook 'riece-after-switch-to-channel-functions
140 'riece-unread-after-switch-to-channel-function)
141 (add-hook 'riece-format-identity-for-channel-list-buffer-functions
142 'riece-unread-format-identity-for-channel-list-buffer)
143 (add-hook 'riece-format-identity-for-channel-list-indicator-functions
144 'riece-unread-format-identity-for-channel-list-indicator)
145 (if (memq 'riece-highlight riece-addons)
146 (setq riece-channel-list-mark-face-alist
147 (cons '(?! . riece-channel-list-unread-face)
148 riece-channel-list-mark-face-alist)))
149 ;;; (if (memq 'riece-guess riece-addons)
150 ;;; (add-hook 'riece-guess-channel-try-functions
151 ;;; 'riece-guess-channel-from-unread))
154 (defvar riece-command-mode-map)
155 (defvar riece-dialogue-mode-map)
156 (defvar riece-channel-list-mode-map)
157 (defun riece-unread-enable ()
158 (define-key riece-command-mode-map
159 "\C-c\C-u" 'riece-unread-switch-to-channel)
160 (define-key riece-dialogue-mode-map
161 "u" 'riece-unread-switch-to-channel)
162 (define-key riece-channel-list-mode-map
163 "u" 'riece-unread-switch-to-channel)
164 (setq riece-unread-enabled t)
165 (riece-emit-signal 'channel-list-changed))
167 (defun riece-unread-disable ()
168 (define-key riece-command-mode-map
170 (define-key riece-dialogue-mode-map
172 (define-key riece-channel-list-mode-map
174 (setq riece-unread-channels nil
175 riece-unread-enabled nil)
176 (riece-emit-signal 'channel-list-changed))
178 (provide 'riece-unread)
180 ;;; riece-unread.el ends here