;;;---------------------------------------------------------------------
;;; Key bindings
-(defun calculator-define-key (key cmd &optional map)
- ;; arranges for unbound alphabetic keys to be used as their un/shifted
- ;; versions if those are bound (mimics the usual Emacs global
- ;; bindings)
- (let* ((key (if (stringp key) (kbd key) key))
- (map (or map calculator-mode-map))
- (omap (keymap-parent map)))
- (define-key map key cmd)
- ;; "other" map, used for case-flipped bindings
- (unless omap
- (setq omap (make-sparse-keymap))
- (suppress-keymap omap t)
- (set-keymap-parent map omap))
- (let ((m omap))
- ;; bind all case-flipped versions
- (dotimes (i (length key))
- (let* ((c (aref key i))
- (k (vector c))
- (b (lookup-key m k))
- (defkey (lambda (x)
- (define-key m k x)
- (when (and (characterp c)
- (or (<= ?A c ?Z) (<= ?a c ?z)))
- (define-key m (vector (logxor 32 c)) x)))))
- (cond ((= i (1- (length key)))
- ;; prefer longer sequences
- (unless (keymapp b) (funcall defkey cmd)))
- ((keymapp b) (setq m b))
- (t (let ((sub (make-sparse-keymap)))
- (funcall defkey sub)
- (setq m sub)))))))))
-
(defvar calculator-mode-map
(let ((map (make-sparse-keymap)))
(suppress-keymap map t)
map)
"The calculator key map.")
+(defun calculator-define-key (key cmd &optional map)
+ ;; Arranges for unbound alphabetic keys to be used as their un/shifted
+ ;; versions if those are bound (mimics the usual Emacs global
+ ;; bindings).
+ (let* ((key (if (stringp key) (kbd key) key))
+ (map (or map calculator-mode-map))
+ (omap (keymap-parent map)))
+ (define-key map key cmd)
+ ;; "other" map, used for case-flipped bindings
+ (unless omap
+ (setq omap (make-sparse-keymap))
+ (suppress-keymap omap t)
+ (set-keymap-parent map omap))
+ (let ((m omap))
+ ;; Bind all case-flipped versions.
+ (dotimes (i (length key))
+ (let* ((c (aref key i))
+ (k (vector c))
+ (b (lookup-key m k))
+ (defkey (lambda (x)
+ (define-key m k x)
+ (when (and (characterp c)
+ (or (<= ?A c ?Z) (<= ?a c ?z)))
+ (define-key m (vector (logxor 32 c)) x)))))
+ (cond ((= i (1- (length key)))
+ ;; Prefer longer sequences.
+ (unless (keymapp b) (funcall defkey cmd)))
+ ((keymapp b) (setq m b))
+ (t (let ((sub (make-sparse-keymap)))
+ (funcall defkey sub)
+ (setq m sub)))))))))
+
;;;---------------------------------------------------------------------
;;; Startup and mode stuff