;;; encoded-kb.el --- Handler to input multibyte characters encoded somehow
-;; Copyright (C) 1995 Free Software Foundation, Inc.
;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
+;; Licensed to the Free Software Foundation.
;; This file is part of GNU Emacs.
(define-key map (char-to-string i) 'encoded-kbd-self-insert-iso2022-7bit)
(setq i (1+ i)))
(define-key map "\e" 'encoded-kbd-iso2022-esc-prefix)
+ (setq i 160)
+ (while (< i 256)
+ (define-key map (vector i) 'encoded-kbd-handle-8bit)
+ (setq i (1+ i)))
map)
"Keymap for handling non-ASCII character set in Encoded-kbd mode.")
;; registers (0..3).
(defvar encoded-kbd-iso2022-designations nil)
-(make-variable-buffer-local 'encoded-kbd-iso2022-designations)
(put 'encoded-kbd-iso2022-designations 'permanent-local t)
;; Keep information of invocation state of ISO2022 encoding. This is
;; register number.
(defvar encoded-kbd-iso2022-invocations nil)
-(make-variable-buffer-local 'encoded-kbd-iso2022-invocations)
(put 'encoded-kbd-iso2022-invocations 'permanent-local t)
(defun encoded-kbd-iso2022-designation ()
The following key sequence may cause multilingual text insertion."
(interactive)
(let ((key-seq (this-command-keys))
+ (prev-g0-charset (aref encoded-kbd-iso2022-designations
+ (aref encoded-kbd-iso2022-invocations 0)))
intermediate-char final-char
reg dimension chars charset)
(if (= (length key-seq) 4)
dimension chars final-char))
(if (memq (aref encoded-kbd-iso2022-designations
- (aref encoded-kbd-iso2022-invocations 0))
+ (aref encoded-kbd-iso2022-invocations 0))
'(ascii latin-jisx0201))
;; Graphic plane 0 (0x20..0x7f) is for ASCII. We don't have
;; to handle characters in this range specially.
- (throw 'exit nil)
+ (if (not (memq prev-g0-charset '(ascii latin-jisx0201)))
+ ;; We must exit recusive edit now.
+ (throw 'exit nil))
;; Graphic plane 0 is for non-ASCII.
- (let ((overriding-local-map encoded-kbd-iso2022-non-ascii-map))
- (recursive-edit)))))
+ (if (memq prev-g0-charset '(ascii latin-jisx0201))
+ ;; We must handle kyes specially.
+ (let ((overriding-local-map encoded-kbd-iso2022-non-ascii-map))
+ (recursive-edit))))))
(defun encoded-kbd-handle-8bit ()
"Handle an 8-bit character enterned in Encoded-kbd mode."
(or (aref encoded-kbd-iso2022-invocations 2)
(aref encoded-kbd-iso2022-invocations 0))))
(last-command-char
- (if (= (charset-bytes charset) 1)
+ (if (= (charset-dimension charset) 1)
(make-char charset last-command-char)
(make-char charset last-command-char (read-char-exclusive)))))
(self-insert-command 1)
(or (aref encoded-kbd-iso2022-invocations 2)
(aref encoded-kbd-iso2022-invocations 1))))
(last-command-char
- (if (= (charset-bytes charset) 1)
+ (if (= (charset-dimension charset) 1)
(make-char charset last-command-char)
(make-char charset last-command-char (read-char-exclusive)))))
(self-insert-command 1)
(if (or (< last-command-char ?\xA0) (>= last-command-char ?\xE0))
(decode-sjis-char (+ (ash last-command-char 8)
(read-char-exclusive)))
- (make-char 'latin-jisx0201 last-command-char))))
+ (make-char 'katakana-jisx0201 last-command-char))))
(self-insert-command 1)))
(defun encoded-kbd-self-insert-big5 ()
(read-char-exclusive)))))
(self-insert-command 1)))
+;; Input mode at the time Encoded-kbd mode is turned on is saved here.
+(defvar saved-input-mode nil)
+
;;;###autoload
(defun encoded-kbd-mode (&optional arg)
"Toggle Encoded-kbd minor mode.
-With arg, turn Keyboard-kbd mode on if and only if arg is positive.
+With arg, turn Encoded-kbd mode on if and only if arg is positive.
-When in Encoded-kbd mode, a text sent from a terminal keyboard
-is accepted as a multilingual text encoded in a coding system
-set by the command `encoded-kbd-set-coding-system'"
- (interactive "P")
+You should not turn this mode on manually, instead use the command
+\\[set-keyboard-coding-system] which turns on or off this mode
+automatically.
+
+In Encoded-kbd mode, a text sent from keyboard is accepted
+as a multilingual text encoded in a coding system set by
+\\[set-keyboard-coding-system]."
+ (if encoded-kbd-mode
+ ;; We must at first reset input-mode to the original.
+ (apply 'set-input-mode saved-input-mode))
(setq encoded-kbd-mode
(if (null arg) (null encoded-kbd-mode)
(> (prefix-numeric-value arg) 0)))
(if encoded-kbd-mode
- (let* ((coding (coding-system-vector (keyboard-coding-system)))
- (input-mode (current-input-mode)))
+ (let ((coding (keyboard-coding-system)))
+ (setq saved-input-mode (current-input-mode))
(cond ((null coding)
(setq encoded-kbd-mode nil)
- (error "No coding-system for terminal keyboard is set"))
+ (error "No coding system for keyboard input is set"))
- ((= (coding-vector-type coding) 1) ; SJIS
- (set-input-mode (nth 0 input-mode) (nth 1 input-mode)
- 'use-8th-bit (nth 3 input-mode))
+ ((= (coding-system-type coding) 1) ; SJIS
+ (set-input-mode
+ (nth 0 saved-input-mode) (nth 1 saved-input-mode)
+ 'use-8th-bit (nth 3 saved-input-mode))
(setq encoded-kbd-coding 'sjis))
- ((= (coding-vector-type coding) 2) ; ISO2022
- (if (aref (coding-vector-flags coding) 7) ; 7-bit only
+ ((= (coding-system-type coding) 2) ; ISO2022
+ (if (aref (coding-system-flags coding) 7) ; 7-bit only
(setq encoded-kbd-coding 'iso2022-7)
- (set-input-mode (nth 0 input-mode) (nth 1 input-mode)
- 'use-8th-bit (nth 3 input-mode))
+ (set-input-mode
+ (nth 0 saved-input-mode) (nth 1 saved-input-mode)
+ 'use-8th-bit (nth 3 saved-input-mode))
(setq encoded-kbd-coding 'iso2022-8))
- (make-variable-buffer-local 'encoded-kbd-iso2022-designations)
(setq encoded-kbd-iso2022-designations (make-vector 4 nil))
- (let ((flags (coding-vector-flags coding))
+ (let ((flags (coding-system-flags coding))
(i 0))
(while (< i 4)
(if (charsetp (aref flags i))
(aset encoded-kbd-iso2022-designations i
- (aref flags i)))
+ (aref flags i))
+ (if (charsetp (car-safe (aref flags i)))
+ (aset encoded-kbd-iso2022-designations i
+ (car (aref flags i)))))
(setq i (1+ i))))
- (make-variable-buffer-local 'encoded-kbd-iso2022-invocations)
(setq encoded-kbd-iso2022-invocations (make-vector 3 nil))
(aset encoded-kbd-iso2022-invocations 0 0)
(aset encoded-kbd-iso2022-invocations 1 1))
- ((= (coding-vector-type coding) 3) ; BIG5
- (set-input-mode (nth 0 input-mode) (nth 1 input-mode)
- 'use-8th-bit (nth 3 input-mode))
+ ((= (coding-system-type coding) 3) ; BIG5
+ (set-input-mode
+ (nth 0 saved-input-mode) (nth 1 saved-input-mode)
+ 'use-8th-bit (nth 3 saved-input-mode))
(setq encoded-kbd-coding 'big5))
(t
(setq encoded-kbd-mode nil)
(error "Coding-system `%s' is not supported in Encoded-kbd mode"
(keyboard-coding-system))))
- (setq inactivate-current-input-method-function 'encoded-kbd-mode)
- (setq describe-current-input-method-function 'encoded-kbd-mode-help)
- (run-hooks 'encoded-kbd-mode-hook))
- (setq describe-current-input-method-function nil)
- (setq current-input-method nil))
- (force-mode-line-update))
+ (run-hooks 'encoded-kbd-mode-hook))))
;;; encoded-kb.el ends here