;;; ethiopic.el --- Support for Ethiopic

;; Copyright (C) 1995 Free Software Foundation, Inc.
;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.

;; Keywords: multilingual, Ethiopic

;; This file is part of GNU Emacs.

;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.

;; Author: TAKAHASHI Naoto <ntakahas@etl.go.jp>

;;; Code:

(define-ccl-program ccl-encode-ethio-font
  '(0
    ;; In:  R0:ethiopic (not checked)
    ;;      R1:position code 1
    ;;      R2:position code 2
    ;; Out: R1:font code point 1
    ;;      R2:font code point 2
    ((r1 -= 33)
     (r2 -= 33)
     (r1 *= 94)
     (r2 += r1)
     (if (r2 < 256)
	 (r1 = ?\x12)
       (if (r2 < 448)
	   ((r1 = ?\x13) (r2 -= 256))
	 ((r1 = ?\xfd) (r2 -= 208))
	 ))))
  "CCL program to encode an Ehitopic code to code point of Ehitopic font.")

(setq font-ccl-encoder-alist
      (cons (cons "ethiopic" ccl-encode-ethio-font) font-ccl-encoder-alist))

(register-input-method
 "Ethiopic" '("quail-ethio" quail-use-package "quail/ethiopic"))

(defun setup-ethiopic-environment ()
  "Setup multilingual environment for Ethiopic."
  (interactive)
  (setq primary-language "Ethiopic")

  (setq default-input-method '("Ethiopic" . "quail-ethio"))

  ;;
  ;;  key bindings
  ;;
  (define-key global-map [f4] 'sera-to-fidel-buffer)
  (define-key global-map [S-f4] 'sera-to-fidel-region)
  (define-key global-map [C-f4] 'sera-to-fidel-marker)
  (define-key global-map [f5] 'fidel-to-sera-buffer)
  (define-key global-map [S-f5] 'fidel-to-sera-region)
  (define-key global-map [C-f5] 'fidel-to-sera-marker)
  (define-key global-map [f6] 'ethio-modify-vowel)
  (define-key global-map [f7] 'ethio-replace-space)
  (define-key global-map [f8] 'ethio-input-special-character)
  (define-key global-map [S-f2] 'ethio-replace-space) ; as requested

  (add-hook
   'rmail-mode-hook
   '(lambda ()
      (define-key rmail-mode-map [C-f4] 'sera-to-fidel-mail)
      (define-key rmail-mode-map [C-f5] 'fidel-to-sera-mail)))

  (add-hook
   'mail-mode-hook
   '(lambda ()
      (define-key mail-mode-map [C-f4] 'sera-to-fidel-mail)
      (define-key mail-mode-map [C-f5] 'fidel-to-sera-mail)))
  )

(set-language-info-alist
 "Ethiopic" '((setup-function . setup-ethiopic-environment)
	      (charset . (ethiopic))
	      (sample-text . "$(3$O#U!.(B")
	      (documentation . t)))

;;; ethiopic.el ends here