113 lines
4.0 KiB
EmacsLisp
113 lines
4.0 KiB
EmacsLisp
;;; erc-spelling.el --- use flyspell in ERC
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;; Copyright (C) 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
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;; Author: Jorgen Schaefer <forcer@forcix.cx>
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;; Keywords: irc
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;; URL: http://www.emacswiki.org/cgi-bin/wiki.pl?ErcSpelling
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;; This is an ERC module to enable flyspell mode in ERC buffers. This
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;; ensures correct behavior of flyspell, and even sets up a
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;; channel-local dictionary if so required.
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;;; Code:
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(require 'erc)
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(require 'flyspell)
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;;;###autoload (autoload 'erc-spelling-mode "erc-spelling" nil t)
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(define-erc-module spelling nil
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"Enable flyspell mode in ERC buffers."
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;; Use erc-connect-pre-hook instead of erc-mode-hook as pre-hook is
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;; called AFTER the server buffer is initialized.
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((add-hook 'erc-connect-pre-hook 'erc-spelling-init)
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(dolist (buffer (erc-buffer-list))
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(erc-spelling-init buffer)))
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((remove-hook 'erc-connect-pre-hook 'erc-spelling-init)
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(dolist (buffer (erc-buffer-list))
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(with-current-buffer buffer (flyspell-mode 0)))))
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(defcustom erc-spelling-dictionaries nil
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"An alist mapping buffer names to dictionaries.
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The `car' of every cell is a buffer name, the `cadr' is the
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string name of an associated dictionary.
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The dictionary is inherited from server buffers, so if you want a
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default dictionary for some server, you can use a server buffer
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name here."
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:type '(choice (const nil)
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(repeat (cons (string :tag "Buffer name")
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(string :tag "Dictionary"))))
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:group 'erc-spelling)
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(defun erc-spelling-init (buffer)
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"Enable flyspell mode in an ERC buffer.
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The current buffer is given by BUFFER."
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(with-current-buffer buffer
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(let ((name (downcase (buffer-name)))
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(dicts erc-spelling-dictionaries))
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(when dicts
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(while (and dicts
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(not (string= name (downcase (caar dicts)))))
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(setq dicts (cdr dicts)))
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(setq ispell-local-dictionary
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(if dicts
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(cadr (car dicts))
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(erc-with-server-buffer ispell-local-dictionary)))))
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(setq flyspell-generic-check-word-p 'erc-spelling-flyspell-verify)
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(flyspell-mode 1)))
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(defun erc-spelling-unhighlight-word (word)
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"Unhighlight the given WORD.
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The cadr is the beginning and the caddr is the end."
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(let ((beg (nth 1 word))
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(end (nth 2 word)))
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(flyspell-unhighlight-at beg)
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(when (> end beg)
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(flyspell-unhighlight-at (1- end)))))
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(defun erc-spelling-flyspell-verify ()
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"Flyspell only the input line, nothing else."
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(let ((word-data (and (boundp 'flyspell-word)
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flyspell-word)))
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(when word-data
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(cond ((< (point) erc-input-marker)
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nil)
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;; don't spell-check names of users
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((and erc-channel-users
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(erc-get-channel-user (car word-data)))
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(erc-spelling-unhighlight-word word-data)
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nil)
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;; if '/' occurs before the word, don't spell-check it
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((eq (char-before (nth 1 word-data)) ?/)
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(erc-spelling-unhighlight-word word-data)
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nil)
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(t t)))))
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(put 'erc-mode
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'flyspell-mode-predicate
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'erc-spelling-flyspell-verify)
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(provide 'erc-spelling)
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;; arch-tag: 04ae1c46-0fd1-4e1a-8b80-55bfa471c945
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;;; erc-spelling.el ends here
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