+(defvar egg-mode-map-alist nil)
+(defvar egg-sub-mode-map-alist nil)
+
+(defmacro define-egg-mode-map (mode &rest initializer)
+ (let ((map (intern (concat "egg-" (symbol-name mode) "-map")))
+ (var (intern (concat "egg-" (symbol-name mode) "-mode")))
+ (comment (concat (symbol-name mode) " keymap for EGG mode.")))
+ `(progn
+ (defvar ,map (let ((map (make-sparse-keymap)))
+ ,@initializer
+ map)
+ ,comment)
+ (fset ',map ,map)
+ (defvar ,var nil)
+ (make-variable-buffer-local ',var)
+ (put ',var 'permanent-local t)
+ (or (assq ',var egg-mode-map-alist)
+ (setq egg-mode-map-alist (append egg-mode-map-alist
+ '((,var . ,map))))))))
+
+(define-egg-mode-map modefull
+ (define-key map "\C-^" 'egg-simple-input-method)
+ (let ((i 33))
+ (while (< i 127)
+ (define-key map (vector i) 'egg-self-insert-char)
+ (setq i (1+ i)))))
+
+(define-egg-mode-map modeless
+ (define-key map " " 'mlh-space-bar-backward-henkan)
+ (define-key map "\C-^" 'egg-simple-input-method))
+
+(defvar egg-enter/leave-fence-hook nil)
+
+(defun egg-enter/leave-fence (&optional old new)
+ (run-hooks 'egg-enter/leave-fence-hook))
+
+(defvar egg-activated nil)
+(make-variable-buffer-local 'egg-activated)
+(put 'egg-activated 'permanent-local t)
+
+(defun egg-activate-keymap ()
+ (when (and egg-activated
+ (null (eq (car egg-sub-mode-map-alist)
+ (car minor-mode-overriding-map-alist))))
+ (let ((alist (append egg-sub-mode-map-alist egg-mode-map-alist))
+ (overriding (copy-sequence minor-mode-overriding-map-alist)))
+ (while alist
+ (setq overriding (delq (assq (caar alist) overriding) overriding)
+ alist (cdr alist)))
+ (setq minor-mode-overriding-map-alist (append egg-sub-mode-map-alist
+ overriding
+ egg-mode-map-alist)))))
+
+(add-hook 'egg-enter/leave-fence-hook 'egg-activate-keymap t)
+
+(defun egg-modify-fence (&rest arg)
+ (add-hook 'post-command-hook 'egg-post-command-func))
+
+(defun egg-post-command-func ()
+ (run-hooks 'egg-enter/leave-fence-hook)
+ (remove-hook 'post-command-hook 'egg-post-command-func))
+
+(defvar egg-change-major-mode-buffer nil)
+
+(defun egg-activate-keymap-after-command ()
+ (while egg-change-major-mode-buffer
+ (save-excursion
+ (set-buffer (car egg-change-major-mode-buffer))
+ (egg-activate-keymap)
+ (setq egg-change-major-mode-buffer (cdr egg-change-major-mode-buffer))))
+ (remove-hook 'post-command-hook 'egg-activate-keymap-after-command))
+
+(defun egg-change-major-mode-func ()
+ (setq egg-change-major-mode-buffer (cons (current-buffer)
+ egg-change-major-mode-buffer))
+ (add-hook 'post-command-hook 'egg-activate-keymap-after-command))
+
+(add-hook 'change-major-mode-hook 'egg-change-major-mode-func)