1 ;;; riece-keyword.el --- highlight keywords in channel buffers
2 ;; Copyright (C) 1998-2003 Daiki Ueno
4 ;; Author: Daiki Ueno <ueno@unixuser.org>
6 ;; Keywords: IRC, riece
8 ;; This file is part of Riece.
10 ;; This program is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; This program is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
27 ;; To use, add the following line to your ~/.riece/init.el:
28 ;; (add-to-list 'riece-addons 'riece-keyword)
32 (require 'riece-message)
34 (defgroup riece-keyword nil
35 "Highlight keyword in IRC buffer."
38 (defcustom riece-keywords nil
39 "Keywords to be highlightened."
40 :type '(repeat string)
41 :group 'riece-keyword)
43 (defcustom riece-notify-keyword-functions nil
44 "Functions used to notify keyword match."
45 :type '(list function)
46 :group 'riece-keyword)
48 (defface riece-keyword-face
50 (:foreground "red" :underline t))
53 "Face used for highlightening matching keyword."
54 :group 'riece-highlight-faces)
55 (defvar riece-keyword-face 'riece-keyword-face)
57 ;;; The old XEmacs package doesn't have autoload setting for regexp-opt.
58 (autoload 'regexp-opt "regexp-opt")
59 (defun riece-keyword-message-filter (message)
61 (let ((regexp (regexp-opt riece-keywords))
63 (while (string-match regexp (riece-message-text message) index)
64 (if (memq 'riece-highlight riece-addons)
65 (put-text-property (match-beginning 0) (match-end 0)
67 (riece-message-text message)))
69 (run-hook-with-args 'riece-notify-keyword-functions
70 (match-string 0 (riece-message-text message))))
71 (setq index (match-end 0)))))
74 (defun riece-keyword-scan-region (start end)
75 (riece-scan-property-region
79 (riece-overlay-put (riece-make-overlay start end)
80 'face riece-keyword-face))))
82 (defun riece-keyword-requires ()
83 (if (memq 'riece-highlight riece-addons)
86 (defun riece-keyword-insinuate ()
87 (add-hook 'riece-message-filter-functions 'riece-keyword-message-filter)
88 (add-hook 'riece-after-insert-functions 'riece-keyword-scan-region))
90 (provide 'riece-keyword)
92 ;;; riece-keyword.el ends here