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1 | ;;; erc-spelling.el --- use flyspell in ERC |
2 | ||
f0fa15c5 | 3 | ;; Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc. |
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4 | |
5 | ;; Author: Jorgen Schaefer <forcer@forcix.cx> | |
6 | ;; Keywords: irc | |
7 | ;; URL: http://www.emacswiki.org/cgi-bin/wiki.pl?ErcSpelling | |
8 | ||
9 | ;; This file is part of GNU Emacs. | |
10 | ||
11 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
12 | ;; it under the terms of the GNU General Public License as published by | |
13 | ;; the Free Software Foundation; either version 2, or (at your option) | |
14 | ;; any later version. | |
15 | ||
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
22 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
23 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
24 | ;; Boston, MA 02110-1301, USA. | |
25 | ||
26 | ;;; Commentary: | |
27 | ||
28 | ;; This is an ERC module to enable flyspell mode in ERC buffers. This | |
29 | ;; ensures correct behavior of flyspell, and even sets up a | |
30 | ;; channel-local dictionary if so required. | |
31 | ||
32 | ;;; Code: | |
33 | ||
34 | (require 'erc) | |
35 | (require 'flyspell) | |
36 | ||
37 | ;;;###autoload (autoload 'erc-spelling-mode "erc-spelling" nil t) | |
38 | (define-erc-module spelling nil | |
39 | "Enable flyspell mode in ERC buffers." | |
40 | ;; Use erc-connect-pre-hook instead of erc-mode-hook as pre-hook is | |
41 | ;; called AFTER the server buffer is initialized. | |
42 | ((add-hook 'erc-connect-pre-hook 'erc-spelling-init) | |
2e3ef421 | 43 | (dolist (buffer (erc-buffer-list)) |
ff59d266 | 44 | (erc-spelling-init buffer))) |
597993cf | 45 | ((remove-hook 'erc-connect-pre-hook 'erc-spelling-init) |
2e3ef421 | 46 | (dolist (buffer (erc-buffer-list)) |
ff59d266 | 47 | (with-current-buffer buffer (flyspell-mode 0))))) |
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48 | |
49 | (defcustom erc-spelling-dictionaries nil | |
50 | "An alist mapping buffer names to dictionaries. | |
51 | The `car' of every cell is a buffer name, the `cadr' is the | |
52 | string name of an associated dictionary. | |
53 | The dictionary is inherited from server buffers, so if you want a | |
54 | default dictionary for some server, you can use a server buffer | |
55 | name here." | |
56 | :type '(choice (const nil) | |
57 | (repeat (cons (string :tag "Buffer name") | |
58 | (string :tag "Dictionary")))) | |
59 | :group 'erc-spelling) | |
60 | ||
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61 | (defun erc-spelling-init (buffer) |
62 | "Enable flyspell mode in an ERC buffer. | |
63 | The current buffer is given by BUFFER." | |
64 | (with-current-buffer buffer | |
65 | (let ((name (downcase (buffer-name))) | |
66 | (dicts erc-spelling-dictionaries)) | |
67 | (when dicts | |
68 | (while (and dicts | |
69 | (not (string= name (downcase (caar dicts))))) | |
70 | (setq dicts (cdr dicts))) | |
71 | (setq ispell-local-dictionary | |
72 | (if dicts | |
73 | (cadr (car dicts)) | |
74 | (erc-with-server-buffer ispell-local-dictionary))))) | |
75 | (setq flyspell-generic-check-word-p 'erc-spelling-flyspell-verify) | |
76 | (flyspell-mode 1))) | |
597993cf | 77 | |
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78 | (defun erc-spelling-unhighlight-word (word) |
79 | "Unhighlight the given WORD. | |
80 | The cadr is the beginning and the caddr is the end." | |
81 | (let ((beg (nth 1 word)) | |
82 | (end (nth 2 word))) | |
83 | (flyspell-unhighlight-at beg) | |
84 | (when (> end beg) | |
85 | (flyspell-unhighlight-at (1- end))))) | |
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86 | |
87 | (defun erc-spelling-flyspell-verify () | |
88 | "Flyspell only the input line, nothing else." | |
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89 | (let ((word-data (and (boundp 'flyspell-word) |
90 | flyspell-word))) | |
91 | (when word-data | |
92 | (cond ((< (point) erc-input-marker) | |
93 | nil) | |
94 | ;; don't spell-check names of users | |
95 | ((and erc-channel-users | |
96 | (erc-get-channel-user (car word-data))) | |
97 | (erc-spelling-unhighlight-word word-data) | |
98 | nil) | |
99 | ;; if '/' occurs before the word, don't spell-check it | |
100 | ((eq (char-before (nth 1 word-data)) ?/) | |
101 | (erc-spelling-unhighlight-word word-data) | |
102 | nil) | |
103 | (t t))))) | |
104 | ||
105 | (put 'erc-mode | |
106 | 'flyspell-mode-predicate | |
107 | 'erc-spelling-flyspell-verify) | |
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108 | |
109 | (provide 'erc-spelling) | |
110 | ||
111 | ;; arch-tag: 04ae1c46-0fd1-4e1a-8b80-55bfa471c945 | |
112 | ;;; erc-spelling.el ends here |