code.delx.au - gnu-emacs/blob - lisp/erc/erc-spelling.el

   1 ;;; erc-spelling.el --- use flyspell in ERC
   2
   3 ;; Copyright (C) 2005, 2006  Free Software Foundation, Inc.
   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)
  43    (mapc (lambda (buffer)
  44            (with-current-buffer buffer (erc-spelling-init)))
  45          (erc-buffer-list)))
  46   ((remove-hook 'erc-connect-pre-hook 'erc-spelling-init)
  47    (mapc (lambda (buffer)
  48            (with-current-buffer buffer (flyspell-mode 0)))
  49          (erc-buffer-list))))
  50
  51 (defcustom erc-spelling-dictionaries nil
  52   "An alist mapping buffer names to dictionaries.
  53 The `car' of every cell is a buffer name, the `cadr' is the
  54 string name of an associated dictionary.
  55 The dictionary is inherited from server buffers, so if you want a
  56 default dictionary for some server, you can use a server buffer
  57 name here."
  58   :type '(choice (const nil)
  59                  (repeat (cons (string :tag "Buffer name")
  60                                (string :tag "Dictionary"))))
  61   :group 'erc-spelling)
  62
  63 (defun erc-spelling-init ()
  64   "Enable flyspell mode in an ERC buffer."
  65   (let ((name (downcase (buffer-name)))
  66         (dicts erc-spelling-dictionaries))
  67     (while (and dicts
  68                 (not (string= name (downcase (caar dicts)))))
  69       (setq dicts (cdr dicts)))
  70     (setq ispell-local-dictionary
  71           (if dicts
  72               (cadr (car dicts))
  73             (let ((server (erc-server-buffer)))
  74               (if server
  75                   (with-current-buffer server
  76                     ispell-local-dictionary)
  77                 nil)))))
  78   (setq flyspell-generic-check-word-p 'erc-spelling-flyspell-verify)
  79   (flyspell-mode 1))
  80
  81 (put 'erc-mode
  82      'flyspell-mode-predicate
  83      'erc-spelling-flyspell-verify)
  84
  85 (defun erc-spelling-flyspell-verify ()
  86   "Flyspell only the input line, nothing else."
  87   (> (point)
  88      erc-input-marker))
  89
  90 (provide 'erc-spelling)
  91
  92 ;; arch-tag: 04ae1c46-0fd1-4e1a-8b80-55bfa471c945
  93 ;;; erc-spelling.el ends here