[bpt/emacs.git] / lisp / calc / calc-keypd.el

;;; calc-keypd.el --- mouse-capable keypad input for Calc

;; Copyright (C) 1990, 1991, 1992, 1993, 2001 Free Software Foundation, Inc.

;; Author: David Gillespie <daveg@synaptics.com>
;; Maintainer: Jay Belanger <belanger@truman.edu>

;; This file is part of GNU Emacs.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY.  No author or distributor
;; accepts responsibility to anyone for the consequences of using it
;; or for whether it serves any particular purpose or works at all,
;; unless he says so in writing.  Refer to the GNU Emacs General Public
;; License for full details.

;; Everyone is granted permission to copy, modify and redistribute
;; GNU Emacs, but only under the conditions described in the
;; GNU Emacs General Public License.   A copy of this license is
;; supposed to have been given to you along with GNU Emacs so you
;; can know your rights and responsibilities.  It should be in a
;; file named COPYING.  Among other things, the copyright notice
;; and this notice must be preserved on all copies.

;;; Commentary:

;;; Code:

;; This file is autoloaded from calc-ext.el.

(require 'calc-ext)
(require 'calc-macs)

(defvar calc-keypad-buffer nil)
(defvar calc-keypad-menu 0)
(defvar calc-keypad-full-layout nil)
(defvar calc-keypad-input nil)
(defvar calc-keypad-prev-input nil)
(defvar calc-keypad-said-hello nil)

;;; |----+----+----+----+----+----|
;;; |  ENTER  |+/- |EEX |UNDO| <- |
;;; |-----+---+-+--+--+-+---++----|
;;; | INV |  7  |  8  |  9  |  /  |
;;; |-----+-----+-----+-----+-----|
;;; | HYP |  4  |  5  |  6  |  *  |
;;; |-----+-----+-----+-----+-----|
;;; |EXEC |  1  |  2  |  3  |  -  |
;;; |-----+-----+-----+-----+-----|
;;; | OFF |  0  |  .  | PI  |  +  |
;;; |-----+-----+-----+-----+-----|
(defvar calc-keypad-layout
  '( ( ( "ENTER" calc-enter calc-roll-down calc-roll-up calc-over )
       ( "ENTER" calc-enter calc-roll-down calc-roll-up calc-over )
       ( "+/-"	 calc-change-sign calc-inv (progn -4 calc-pack) )
       ( "EEX"	 ("e") (progn calc-num-prefix calc-pack-interval)
                 (progn -5 calc-pack)  )
       ( "UNDO"	 calc-undo calc-redo calc-last-args )
       ( "<-"	 calc-pop (progn 0 calc-pop)
	         (progn calc-num-prefix calc-pop) ) )
     ( ( "INV"   calc-inverse )
       ( "7"	 ("7") calc-round )
       ( "8"	 ("8") (progn 2 calc-clean-num) )
       ( "9"	 ("9") calc-float )
       ( "/"	 calc-divide (progn calc-inverse calc-power) ) )
     ( ( "HYP"   calc-hyperbolic )
       ( "4"	 ("4") calc-ln calc-log10 )
       ( "5"	 ("5") calc-exp calc-exp10 )
       ( "6"	 ("6") calc-abs )
       ( "*"	 calc-times calc-power ) )
     ( ( "EXEC"	 calc-keypad-execute )
       ( "1"	 ("1") calc-arcsin calc-sin )
       ( "2"	 ("2") calc-arccos calc-cos )
       ( "3"	 ("3") calc-arctan calc-tan )
       ( "-"	 calc-minus calc-conj ) )
     ( ( "OFF"   calc-keypad-off )
       ( "0"	 ("0") calc-imaginary )
       ( "."	 (".") calc-precision )
       ( "PI"	 calc-pi )
       ( "+"	 calc-plus calc-sqrt ) ) ))

(defvar calc-keypad-menus '( calc-keypad-math-menu
			     calc-keypad-funcs-menu
			     calc-keypad-binary-menu
			     calc-keypad-vector-menu
			     calc-keypad-modes-menu
			     calc-keypad-user-menu ) )

;;; |----+----+----+----+----+----|
;;; |FLR |CEIL|RND |TRNC|CLN2|FLT |
;;; |----+----+----+----+----+----|
;;; | LN |EXP |    |ABS |IDIV|MOD |
;;; |----+----+----+----+----+----|
;;; |SIN |COS |TAN |SQRT|y^x |1/x |

(defvar calc-keypad-math-menu
  '( ( ( "FLR"   calc-floor )
       ( "CEIL"  calc-ceiling )
       ( "RND"   calc-round )
       ( "TRNC"  calc-trunc )
       ( "CLN2"  (progn 2 calc-clean-num) )
       ( "FLT"   calc-float ) )
     ( ( "LN"    calc-ln )
       ( "EXP"   calc-exp )
       ( ""	 nil )
       ( "ABS"   calc-abs )
       ( "IDIV"  calc-idiv )
       ( "MOD"   calc-mod ) )
     ( ( "SIN"   calc-sin )
       ( "COS"   calc-cos )
       ( "TAN"   calc-tan )
       ( "SQRT"  calc-sqrt )
       ( "y^x"   calc-power )
       ( "1/x"   calc-inv ) ) ))

;;; |----+----+----+----+----+----|
;;; |IGAM|BETA|IBET|ERF |BESJ|BESY|
;;; |----+----+----+----+----+----|
;;; |IMAG|CONJ| RE |ATN2|RAND|RAGN|
;;; |----+----+----+----+----+----|
;;; |GCD |FACT|DFCT|BNOM|PERM|NXTP|

(defvar calc-keypad-funcs-menu
  '( ( ( "IGAM"  calc-inc-gamma )
       ( "BETA"  calc-beta )
       ( "IBET"  calc-inc-beta )
       ( "ERF"   calc-erf )
       ( "BESJ"  calc-bessel-J )
       ( "BESY"  calc-bessel-Y ) )
     ( ( "IMAG"  calc-imaginary )
       ( "CONJ"  calc-conj )
       ( "RE"	 calc-re calc-im )
       ( "ATN2"  calc-arctan2 )
       ( "RAND"  calc-random )
       ( "RAGN"  calc-random-again ) )
     ( ( "GCD"   calc-gcd calc-lcm )
       ( "FACT"  calc-factorial calc-gamma )
       ( "DFCT"  calc-double-factorial )
       ( "BNOM"  calc-choose )
       ( "PERM"  calc-perm )
       ( "NXTP"	 calc-next-prime calc-prev-prime ) ) ))

;;; |----+----+----+----+----+----|
;;; |AND | OR |XOR |NOT |LSH |RSH |
;;; |----+----+----+----+----+----|
;;; |DEC |HEX |OCT |BIN |WSIZ|ARSH|
;;; |----+----+----+----+----+----|
;;; | A  | B  | C  | D  | E  | F  |

(defvar calc-keypad-binary-menu
  '( ( ( "AND"   calc-and calc-diff )
       ( "OR"    calc-or )
       ( "XOR"   calc-xor )
       ( "NOT"   calc-not calc-clip )
       ( "LSH"   calc-lshift-binary calc-rotate-binary )
       ( "RSH"   calc-rshift-binary ) )
     ( ( "DEC"   calc-decimal-radix )
       ( "HEX"   calc-hex-radix )
       ( "OCT"   calc-octal-radix )
       ( "BIN"   calc-binary-radix )
       ( "WSIZ"  calc-word-size )
       ( "ARSH"  calc-rshift-arith ) )
     ( ( "A"     ("A") )
       ( "B"     ("B") )
       ( "C"     ("C") )
       ( "D"     ("D") )
       ( "E"     ("E") )
       ( "F"     ("F") ) ) ))

;;; |----+----+----+----+----+----|
;;; |SUM |PROD|MAX |MAP*|MAP^|MAP$|
;;; |----+----+----+----+----+----|
;;; |INV |DET |TRN |IDNT|CRSS|"x" |
;;; |----+----+----+----+----+----|
;;; |PACK|UNPK|INDX|BLD |LEN |... |

(defvar calc-keypad-vector-menu
  '( ( ( "SUM"   calc-vector-sum calc-vector-alt-sum calc-vector-mean )
       ( "PROD"  calc-vector-product nil calc-vector-sdev )
       ( "MAX"   calc-vector-max calc-vector-min calc-vector-median )
       ( "MAP*"  (lambda () (interactive)
		   (calc-map '(2 calcFunc-mul "*"))) )
       ( "MAP^"  (lambda () (interactive)
		   (calc-map '(2 calcFunc-pow "^"))) )
       ( "MAP$"  calc-map-stack ) )
     ( ( "MINV"  calc-inv )
       ( "MDET"  calc-mdet )
       ( "MTRN"  calc-transpose calc-conj-transpose )
       ( "IDNT"  (progn calc-num-prefix calc-ident) )
       ( "CRSS"  calc-cross )
       ( "\"x\"" "\excalc-algebraic-entry\rx\r"
	         "\excalc-algebraic-entry\ry\r"
		 "\excalc-algebraic-entry\rz\r"
		 "\excalc-algebraic-entry\rt\r") )
     ( ( "PACK"  calc-pack )
       ( "UNPK"  calc-unpack )
       ( "INDX"  (progn calc-num-prefix calc-index) "\C-u\excalc-index\r" )
       ( "BLD"   (progn calc-num-prefix calc-build-vector) )
       ( "LEN"   calc-vlength )
       ( "..."   calc-full-vectors ) ) ))

;;; |----+----+----+----+----+----|
;;; |FLT |FIX |SCI |ENG |GRP |    |
;;; |----+----+----+----+----+----|
;;; |RAD |DEG |FRAC|POLR|SYMB|PREC|
;;; |----+----+----+----+----+----|
;;; |SWAP|RLL3|RLL4|OVER|STO |RCL |

(defvar calc-keypad-modes-menu
  '( ( ( "FLT"   calc-normal-notation
	         (progn calc-num-prefix calc-normal-notation) )
       ( "FIX"   (progn 2 calc-fix-notation)
	         (progn calc-num-prefix calc-fix-notation) )
       ( "SCI"   calc-sci-notation
	         (progn calc-num-prefix calc-sci-notation) )
       ( "ENG"   calc-eng-notation
	         (progn calc-num-prefix calc-eng-notation) )
       ( "GRP"   calc-group-digits "\C-u-3\excalc-group-digits\r" )
       ( ""	 nil ) )
     ( ( "RAD"   calc-radians-mode )
       ( "DEG"   calc-degrees-mode )
       ( "FRAC"  calc-frac-mode )
       ( "POLR"  calc-polar-mode )
       ( "SYMB"	 calc-symbolic-mode )
       ( "PREC"  calc-precision ) )
     ( ( "SWAP"  calc-roll-down )
       ( "RLL3"  (progn 3 calc-roll-up) (progn 3 calc-roll-down) )
       ( "RLL4"  (progn 4 calc-roll-up) (progn 4 calc-roll-down) )
       ( "OVER"  calc-over )
       ( "STO"   calc-keypad-store )
       ( "RCL"   calc-keypad-recall ) ) ))

(define-derived-mode calc-keypad-mode fundamental-mode "Calculator"
  "Major mode for Calc keypad input."
  (define-key calc-keypad-mode-map " " 'calc-keypad-press)
  (define-key calc-keypad-mode-map (kbd "RET") 'calc-keypad-press)
  (define-key calc-keypad-mode-map (kbd "TAB") 'calc-keypad-menu)
  (define-key calc-keypad-mode-map "q" 'calc-keypad-off)
  (define-key calc-keypad-mode-map [(mouse-3)] 'calc-keypad-right-click)
  (define-key calc-keypad-mode-map [(mouse-2)] 'calc-keypad-middle-click)
  (define-key calc-keypad-mode-map [(mouse-1)] 'calc-keypad-left-click)
  (put 'calc-keypad-mode 'mode-class 'special)
  (make-local-variable 'calc-main-buffer))

(defun calc-do-keypad (&optional full-display interactive)
  (calc-create-buffer)
  (let ((calcbuf (current-buffer)))
    (unless (bufferp calc-keypad-buffer)
      (set-buffer (setq calc-keypad-buffer (get-buffer-create "*Calc Keypad*")))
      (calc-keypad-mode)
      (setq calc-main-buffer calcbuf)
      (calc-keypad-redraw)
      (calc-trail-buffer))
    (let ((width 29)
	  (height 17)
	  win old-win)
      (if (setq win (get-buffer-window "*Calculator*"))
	  (delete-window win))
      (if (setq win (get-buffer-window "*Calc Trail*"))
	  (if (one-window-p)
	      (switch-to-buffer (other-buffer))
	    (delete-window win)))
      (if (setq win (get-buffer-window calc-keypad-buffer))
	  (progn
	    (bury-buffer "*Calculator*")
	    (bury-buffer "*Calc Trail*")
	    (bury-buffer calc-keypad-buffer)
	    (if (one-window-p)
		(switch-to-buffer (other-buffer))
	      (delete-window win)))
	(setq calc-was-keypad-mode t
	      old-win (get-largest-window))
	(if (or (< (window-height old-win) (+ height 6))
		(< (window-width old-win) (+ width 15))
		full-display)
	    (delete-other-windows old-win))
	(if (< (window-height old-win) (+ height 4))
	    (error "Screen is not tall enough for this mode"))
	(if full-display
	    (progn
	      (setq win (split-window old-win (- (window-height old-win)
						 height 1)))
	      (set-window-buffer old-win (calc-trail-buffer))
	      (set-window-buffer win calc-keypad-buffer)
	      (set-window-start win 1)
	      (setq win (split-window win (+ width 3) t))
	      (set-window-buffer win calcbuf))
	  (if (or t  ; left-side keypad not yet fully implemented
		  (< (save-excursion
		       (set-buffer (window-buffer old-win))
		       (current-column))
		     (/ (window-width) 2)))
	      (setq win (split-window old-win (- (window-width old-win)
						 width 2)
				      t))
	    (setq old-win (split-window old-win (+ width 2) t)))
	  (set-window-buffer win calc-keypad-buffer)
	  (set-window-start win 1)
	  (split-window win (- (window-height win) height 1))
	  (set-window-buffer win calcbuf))
	(select-window old-win)
	(message "Welcome to GNU Emacs Calc!  Use the left and right mouse buttons")
	(run-hooks 'calc-keypad-start-hook)
	(and calc-keypad-said-hello interactive
	     (progn
	       (sit-for 2)
	       (message "")))
	(setq calc-keypad-said-hello t)))
    (setq calc-keypad-input nil)))

(defun calc-keypad-off ()
  (interactive)
  (if calc-standalone-flag
      (save-buffers-kill-emacs nil)
    (calc-keypad)))

(defun calc-keypad-redraw ()
  (set-buffer calc-keypad-buffer)
  (setq buffer-read-only t)
  (setq calc-keypad-full-layout (append (symbol-value (nth calc-keypad-menu
							   calc-keypad-menus))
					calc-keypad-layout))
  (let ((buffer-read-only nil)
	(row calc-keypad-full-layout)
	(y 0))
    (erase-buffer)
    (insert "\n")
    (while row
      (let ((col (car row)))
	(while col
	  (let* ((key (car col))
		 (cwid (if (>= y 4)
			   5
			 (if (and (= y 3) (eq col (car row)))
			     (progn (setq col (cdr col)) 9)
			   4)))
		 (name (if (and calc-standalone-flag
				(eq (nth 1 key) 'calc-keypad-off))
			   "EXIT"
			 (if (> (length (car key)) cwid)
			     (substring (car key) 0 cwid)
			   (car key))))
		 (wid (length name))
		 (pad (- cwid (/ wid 2))))
	    (insert (make-string (/ (- cwid wid) 2) 32)
		    name
		    (make-string (/ (- cwid wid -1) 2) 32)
		    (if (equal name "MENU")
			(int-to-string (1+ calc-keypad-menu))
		      "|")))
	  (or (setq col (cdr col))
	      (insert "\n")))
	(insert (if (>= y 4)
		    "-----+-----+-----+-----+-----"
		  (if (= y 3)
		      "-----+---+-+--+--+-+---++----"
		    "----+----+----+----+----+----"))
		(if (= y 7) "+\n" "|\n"))
	(setq y (1+ y)
	      row (cdr row)))))
  (setq calc-keypad-prev-input t)
  (calc-keypad-show-input)
  (goto-char (point-min)))

(defun calc-keypad-show-input ()
  (or (equal calc-keypad-input calc-keypad-prev-input)
      (let ((buffer-read-only nil))
	(save-excursion
	  (goto-char (point-min))
	  (forward-line 1)
	  (delete-region (point-min) (point))
	  (if calc-keypad-input
	      (insert "Calc: " calc-keypad-input "\n")
	    (insert "----+-----Calc " calc-version "-----+----"
		    (int-to-string (1+ calc-keypad-menu))
		    "\n")))))
  (setq calc-keypad-prev-input calc-keypad-input))

(defun calc-keypad-press ()
  (interactive)
  (unless (eq major-mode 'calc-keypad-mode)
    (error "Must be in *Calc Keypad* buffer for this command"))
  (let* ((row (save-excursion
		(beginning-of-line)
		(count-lines (point-min) (point))))
	 (y (/ row 2))
	 (x (/ (current-column) (if (>= y 4) 6 5)))
	 radix frac inv
	 (hyp (with-current-buffer calc-main-buffer
		(setq radix calc-number-radix
		      frac calc-prefer-frac
		      inv calc-inverse-flag)
		calc-hyperbolic-flag))
	 (invhyp t)
	 (menu (symbol-value (nth calc-keypad-menu calc-keypad-menus)))
	 (input calc-keypad-input)
	 (iexpon (and input
		      (or (string-match "\\*[0-9]+\\.\\^" input)
			  (and (<= radix 14) (string-match "e" input)))
		      (match-end 0)))
	 (key (nth x (nth y calc-keypad-full-layout)))
	 (cmd (or (nth (if inv (if hyp 4 2) (if hyp 3 99)) key)
		  (setq invhyp nil)
		  (nth 1 key)))
	 (isstring (and (consp cmd) (stringp (car cmd))))
	 (calc-is-keypad-press t))
    (if invhyp (calc-wrapper))  ; clear Inv and Hyp flags
    (unwind-protect
	(cond ((or (null cmd)
		   (= (% row 2) 0))
	       (beep))
	      ((and (> (minibuffer-depth) 0))
	       (cond (isstring
		      (push (aref (car cmd) 0) unread-command-events))
		     ((eq cmd 'calc-pop)
		      (push ?\177 unread-command-events))
		     ((eq cmd 'calc-enter)
		      (push 13 unread-command-events))
		     ((eq cmd 'calc-undo)
		      (push 7 unread-command-events))
		     (t
		      (beep))))
	      ((and input (string-match "STO\\|RCL" input))
	       (cond ((and isstring (string-match "[0-9]" (car cmd)))
		      (setq calc-keypad-input nil)
		      (let ((var (intern (concat "var-q" (car cmd)))))
			(cond ((equal input "STO+") (calc-store-plus var))
			      ((equal input "STO-") (calc-store-minus var))
			      ((equal input "STO*") (calc-store-times var))
			      ((equal input "STO/") (calc-store-div var))
			      ((equal input "STO^") (calc-store-power var))
			      ((equal input "STOn") (calc-store-neg 1 var))
			      ((equal input "STO&") (calc-store-inv 1 var))
			      ((equal input "STO") (calc-store-into var))
			      (t (calc-recall var)))))
		     ((memq cmd '(calc-pop calc-undo))
		      (setq calc-keypad-input nil))
		     ((and (equal input "STO")
			   (setq frac (assq cmd '( ( calc-plus . "+" )
						   ( calc-minus . "-" )
						   ( calc-times . "*" )
						   ( calc-divide . "/" )
						   ( calc-power . "^")
						   ( calc-change-sign . "n")
						   ( calc-inv . "&") ))))
		      (setq calc-keypad-input (concat input (cdr frac))))
		     (t
		      (beep))))
	      (isstring
	       (setq cmd (car cmd))
	       (if (or (and (equal cmd ".")
			    input
			    (string-match "[.:e^]" input))
		       (and (equal cmd "e")
			    input
			    (or (and (<= radix 14) (string-match "e" input))
				(string-match "\\^\\|[-.:]\\'" input)))
		       (and (not (equal cmd "."))
			    (let ((case-fold-search nil))
			      (string-match cmd "0123456789ABCDEF"
					    (if (string-match
						 "[e^]" (or input ""))
						10 radix)))))
		   (beep)
		 (setq calc-keypad-input (concat
					  (and (/= radix 10)
					       (or (not input)
						   (equal input "-"))
					       (format "%d#" radix))
					  (and (or (not input)
						   (equal input "-"))
					       (or (and (equal cmd "e") "1")
						   (and (equal cmd ".")
							(if frac "1" "0"))))
					  input
					  (if (and (equal cmd ".") frac)
					      ":"
					    (if (and (equal cmd "e")
						     (or (not input)
							 (string-match
							  "#" input))
						     (> radix 14))
						(format "*%d.^" radix)
					      cmd))))))
	      ((and (eq cmd 'calc-change-sign)
		    input)
	       (let* ((epos (or iexpon 0))
		      (suffix (substring input epos)))
		 (setq calc-keypad-input (concat
					  (substring input 0 epos)
					  (if (string-match "\\`-" suffix)
					      (substring suffix 1)
					    (concat "-" suffix))))))
	      ((and (eq cmd 'calc-pop)
		    input)
	       (if (equal input "")
		   (beep)
		 (setq calc-keypad-input (substring input 0
						    (or (string-match
							 "\\*[0-9]+\\.\\^\\'"
							 input)
							-1)))))
	      ((and (eq cmd 'calc-undo)
		    input)
	       (setq calc-keypad-input nil))
	      (t
	       (if input
		   (let ((val (math-read-number input)))
		     (setq calc-keypad-input nil)
		     (if val
			 (calc-wrapper
			  (calc-push-list (list (calc-record
						 (calc-normalize val)))))
		       (or (equal input "")
			   (beep))
		       (setq cmd nil))
		     (if (eq cmd 'calc-enter) (setq cmd nil))))
	       (setq prefix-arg current-prefix-arg)
	       (if cmd
		   (if (and (consp cmd) (eq (car cmd) 'progn))
		       (while (setq cmd (cdr cmd))
			 (if (integerp (car cmd))
			     (setq prefix-arg (car cmd))
			   (command-execute (car cmd))))
		     (command-execute cmd)))))
      (set-buffer calc-keypad-buffer)
      (calc-keypad-show-input))))

(defun calc-keypad-left-click (event)
  "Handle a left-button mouse click in Calc Keypad window."
  (interactive "e")
  (goto-char (posn-point (event-start event)))
  (calc-keypad-press))

(defun calc-keypad-right-click (event)
  "Handle a right-button mouse click in Calc Keypad window."
  (interactive "e")
  (save-excursion
    (set-buffer calc-keypad-buffer)
    (calc-keypad-menu)))

(defun calc-keypad-middle-click (event)
  "Handle a middle-button mouse click in Calc Keypad window."
  (interactive "e")
  (with-current-buffer calc-keypad-buffer
    (calc-keypad-menu-back)))

(defun calc-keypad-menu ()
  (interactive)
  (unless (eq major-mode 'calc-keypad-mode)
    (error "Must be in *Calc Keypad* buffer for this command"))
  (while (progn (setq calc-keypad-menu (% (1+ calc-keypad-menu)
					  (length calc-keypad-menus)))
		(not (symbol-value (nth calc-keypad-menu calc-keypad-menus)))))
  (calc-keypad-redraw))

(defun calc-keypad-menu-back ()
  (interactive)
  (or (eq major-mode 'calc-keypad-mode)
      (error "Must be in *Calc Keypad* buffer for this command"))
  (while (progn (setq calc-keypad-menu (% (1- (+ calc-keypad-menu
						 (length calc-keypad-menus)))
					  (length calc-keypad-menus)))
		(not (symbol-value (nth calc-keypad-menu calc-keypad-menus)))))
  (calc-keypad-redraw))

(defun calc-keypad-store ()
  (interactive)
  (setq calc-keypad-input "STO"))

(defun calc-keypad-recall ()
  (interactive)
  (setq calc-keypad-input "RCL"))

(defun calc-pack-interval (mode)
  (interactive "p")
  (if (or (< mode 0) (> mode 3))
      (error "Open/close code should be in the range from 0 to 3"))
  (calc-pack (- -6 mode)))

(defun calc-keypad-execute ()
  (interactive)
  (let* ((prompt "Calc keystrokes: ")
	 (flush 'x-flush-mouse-queue)
	 (prefix nil)
	 keys cmd)
    (save-excursion
      (calc-select-buffer)
      (while (progn
	       (setq keys (read-key-sequence prompt))
	       (setq cmd (key-binding keys))
	       (if (or (memq cmd '(calc-inverse
				   calc-hyperbolic
				   universal-argument
				   digit-argument
				   negative-argument))
		       (and prefix (string-match "\\`\e?[-0-9]\\'" keys)))
		   (progn
		     (setq last-command-char (aref keys (1- (length keys))))
		     (command-execute cmd)
		     (setq flush 'not-any-more
			   prefix t
			   prompt (concat prompt (key-description keys) " ")))
		 (eq cmd flush)))))  ; skip mouse-up event
    (message "")
    (if (commandp cmd)
	(command-execute cmd)
      (error "Not a Calc command: %s" (key-description keys)))))

(provide 'calc-keypd)

;;; arch-tag: 4ba0d360-2bb6-40b8-adfa-eb373765b3f9
;;; calc-keypd.el ends here
Commit	Line	Data
1e253dcb CW	1	;;; calc-keypd.el --- mouse-capable keypad input for Calc
1e253dcb CW	2
1d937026	3	;; Copyright (C) 1990, 1991, 1992, 1993, 2001 Free Software Foundation, Inc.
1e253dcb CW	4
1e253dcb CW	5	;; Author: David Gillespie <daveg@synaptics.com>
567bb26f	6	;; Maintainer: Jay Belanger <belanger@truman.edu>
136211a9 EZ	7
	8	;; This file is part of GNU Emacs.
	9
	10	;; GNU Emacs is distributed in the hope that it will be useful,
	11	;; but WITHOUT ANY WARRANTY. No author or distributor
	12	;; accepts responsibility to anyone for the consequences of using it
	13	;; or for whether it serves any particular purpose or works at all,
	14	;; unless he says so in writing. Refer to the GNU Emacs General Public
	15	;; License for full details.
	16
	17	;; Everyone is granted permission to copy, modify and redistribute
	18	;; GNU Emacs, but only under the conditions described in the
	19	;; GNU Emacs General Public License. A copy of this license is
	20	;; supposed to have been given to you along with GNU Emacs so you
	21	;; can know your rights and responsibilities. It should be in a
	22	;; file named COPYING. Among other things, the copyright notice
	23	;; and this notice must be preserved on all copies.
	24
1e253dcb CW	25	;;; Commentary:
	26
	27	;;; Code:
136211a9	28
136211a9	29	;; This file is autoloaded from calc-ext.el.
136211a9	30
567bb26f	31	(require 'calc-ext)
136211a9 EZ	32	(require 'calc-macs)
136211a9 EZ	33
136211a9 EZ	34	(defvar calc-keypad-buffer nil)
	35	(defvar calc-keypad-menu 0)
	36	(defvar calc-keypad-full-layout nil)
	37	(defvar calc-keypad-input nil)
	38	(defvar calc-keypad-prev-input nil)
136211a9 EZ	39	(defvar calc-keypad-said-hello nil)
136211a9 EZ	40
1e253dcb CW	41	;;; \|----+----+----+----+----+----\|
	42	;;; \| ENTER \|+/- \|EEX \|UNDO\| <- \|
	43	;;; \|-----+---+-+--+--+-+---++----\|
	44	;;; \| INV \| 7 \| 8 \| 9 \| / \|
	45	;;; \|-----+-----+-----+-----+-----\|
	46	;;; \| HYP \| 4 \| 5 \| 6 \| * \|
	47	;;; \|-----+-----+-----+-----+-----\|
	48	;;; \|EXEC \| 1 \| 2 \| 3 \| - \|
	49	;;; \|-----+-----+-----+-----+-----\|
	50	;;; \| OFF \| 0 \| . \| PI \| + \|
	51	;;; \|-----+-----+-----+-----+-----\|
	52	(defvar calc-keypad-layout
	53	'( ( ( "ENTER" calc-enter calc-roll-down calc-roll-up calc-over )
	54	( "ENTER" calc-enter calc-roll-down calc-roll-up calc-over )
	55	( "+/-" calc-change-sign calc-inv (progn -4 calc-pack) )
	56	( "EEX" ("e") (progn calc-num-prefix calc-pack-interval)
	57	(progn -5 calc-pack) )
	58	( "UNDO" calc-undo calc-redo calc-last-args )
	59	( "<-" calc-pop (progn 0 calc-pop)
	60	(progn calc-num-prefix calc-pop) ) )
	61	( ( "INV" calc-inverse )
	62	( "7" ("7") calc-round )
	63	( "8" ("8") (progn 2 calc-clean-num) )
	64	( "9" ("9") calc-float )
	65	( "/" calc-divide (progn calc-inverse calc-power) ) )
	66	( ( "HYP" calc-hyperbolic )
	67	( "4" ("4") calc-ln calc-log10 )
	68	( "5" ("5") calc-exp calc-exp10 )
	69	( "6" ("6") calc-abs )
	70	( "*" calc-times calc-power ) )
	71	( ( "EXEC" calc-keypad-execute )
	72	( "1" ("1") calc-arcsin calc-sin )
	73	( "2" ("2") calc-arccos calc-cos )
	74	( "3" ("3") calc-arctan calc-tan )
	75	( "-" calc-minus calc-conj ) )
	76	( ( "OFF" calc-keypad-off )
	77	( "0" ("0") calc-imaginary )
	78	( "." (".") calc-precision )
	79	( "PI" calc-pi )
	80	( "+" calc-plus calc-sqrt ) ) ))
	81
	82	(defvar calc-keypad-menus '( calc-keypad-math-menu
	83	calc-keypad-funcs-menu
	84	calc-keypad-binary-menu
	85	calc-keypad-vector-menu
	86	calc-keypad-modes-menu
	87	calc-keypad-user-menu ) )
	88
	89	;;; \|----+----+----+----+----+----\|
	90	;;; \|FLR \|CEIL\|RND \|TRNC\|CLN2\|FLT \|
	91	;;; \|----+----+----+----+----+----\|
	92	;;; \| LN \|EXP \| \|ABS \|IDIV\|MOD \|
	93	;;; \|----+----+----+----+----+----\|
	94	;;; \|SIN \|COS \|TAN \|SQRT\|y^x \|1/x \|
	95
	96	(defvar calc-keypad-math-menu
	97	'( ( ( "FLR" calc-floor )
	98	( "CEIL" calc-ceiling )
	99	( "RND" calc-round )
	100	( "TRNC" calc-trunc )
	101	( "CLN2" (progn 2 calc-clean-num) )
	102	( "FLT" calc-float ) )
	103	( ( "LN" calc-ln )
	104	( "EXP" calc-exp )
105	( "" nil )
106	( "ABS" calc-abs )
107	( "IDIV" calc-idiv )
108	( "MOD" calc-mod ) )
109	( ( "SIN" calc-sin )
110	( "COS" calc-cos )
111	( "TAN" calc-tan )
112	( "SQRT" calc-sqrt )
113	( "y^x" calc-power )
114	( "1/x" calc-inv ) ) ))
115
116	;;; \|----+----+----+----+----+----\|
117	;;; \|IGAM\|BETA\|IBET\|ERF \|BESJ\|BESY\|
118	;;; \|----+----+----+----+----+----\|
119	;;; \|IMAG\|CONJ\| RE \|ATN2\|RAND\|RAGN\|
120	;;; \|----+----+----+----+----+----\|
121	;;; \|GCD \|FACT\|DFCT\|BNOM\|PERM\|NXTP\|
122
123	(defvar calc-keypad-funcs-menu
124	'( ( ( "IGAM" calc-inc-gamma )
125	( "BETA" calc-beta )
126	( "IBET" calc-inc-beta )
127	( "ERF" calc-erf )
128	( "BESJ" calc-bessel-J )
129	( "BESY" calc-bessel-Y ) )
130	( ( "IMAG" calc-imaginary )
131	( "CONJ" calc-conj )
132	( "RE" calc-re calc-im )
133	( "ATN2" calc-arctan2 )
134	( "RAND" calc-random )
135	( "RAGN" calc-random-again ) )
136	( ( "GCD" calc-gcd calc-lcm )
137	( "FACT" calc-factorial calc-gamma )
138	( "DFCT" calc-double-factorial )
139	( "BNOM" calc-choose )
140	( "PERM" calc-perm )
141	( "NXTP" calc-next-prime calc-prev-prime ) ) ))
142
143	;;; \|----+----+----+----+----+----\|
144	;;; \|AND \| OR \|XOR \|NOT \|LSH \|RSH \|
145	;;; \|----+----+----+----+----+----\|
146	;;; \|DEC \|HEX \|OCT \|BIN \|WSIZ\|ARSH\|
147	;;; \|----+----+----+----+----+----\|
148	;;; \| A \| B \| C \| D \| E \| F \|
149
150	(defvar calc-keypad-binary-menu
151	'( ( ( "AND" calc-and calc-diff )
152	( "OR" calc-or )
153	( "XOR" calc-xor )
154	( "NOT" calc-not calc-clip )
155	( "LSH" calc-lshift-binary calc-rotate-binary )
156	( "RSH" calc-rshift-binary ) )
157	( ( "DEC" calc-decimal-radix )
158	( "HEX" calc-hex-radix )
159	( "OCT" calc-octal-radix )
160	( "BIN" calc-binary-radix )
161	( "WSIZ" calc-word-size )
162	( "ARSH" calc-rshift-arith ) )
163	( ( "A" ("A") )
164	( "B" ("B") )
165	( "C" ("C") )
166	( "D" ("D") )
167	( "E" ("E") )
168	( "F" ("F") ) ) ))
169
170	;;; \|----+----+----+----+----+----\|
171	;;; \|SUM \|PROD\|MAX \|MAP*\|MAP^\|MAP$\|
172	;;; \|----+----+----+----+----+----\|
173	;;; \|INV \|DET \|TRN \|IDNT\|CRSS\|"x" \|
174	;;; \|----+----+----+----+----+----\|
175	;;; \|PACK\|UNPK\|INDX\|BLD \|LEN \|... \|
176
177	(defvar calc-keypad-vector-menu
178	'( ( ( "SUM" calc-vector-sum calc-vector-alt-sum calc-vector-mean )
179	( "PROD" calc-vector-product nil calc-vector-sdev )
180	( "MAX" calc-vector-max calc-vector-min calc-vector-median )
181	( "MAP*" (lambda () (interactive)
182	(calc-map '(2 calcFunc-mul "*"))) )
183	( "MAP^" (lambda () (interactive)
184	(calc-map '(2 calcFunc-pow "^"))) )
185	( "MAP$" calc-map-stack ) )
186	( ( "MINV" calc-inv )
187	( "MDET" calc-mdet )
188	( "MTRN" calc-transpose calc-conj-transpose )
189	( "IDNT" (progn calc-num-prefix calc-ident) )
190	( "CRSS" calc-cross )
191	( "\"x\"" "\excalc-algebraic-entry\rx\r"
192	"\excalc-algebraic-entry\ry\r"
193	"\excalc-algebraic-entry\rz\r"
194	"\excalc-algebraic-entry\rt\r") )
195	( ( "PACK" calc-pack )
196	( "UNPK" calc-unpack )
197	( "INDX" (progn calc-num-prefix calc-index) "\C-u\excalc-index\r" )
198	( "BLD" (progn calc-num-prefix calc-build-vector) )
199	( "LEN" calc-vlength )
200	( "..." calc-full-vectors ) ) ))
201
202	;;; \|----+----+----+----+----+----\|
203	;;; \|FLT \|FIX \|SCI \|ENG \|GRP \| \|
204	;;; \|----+----+----+----+----+----\|
205	;;; \|RAD \|DEG \|FRAC\|POLR\|SYMB\|PREC\|
206	;;; \|----+----+----+----+----+----\|
207	;;; \|SWAP\|RLL3\|RLL4\|OVER\|STO \|RCL \|
208
209	(defvar calc-keypad-modes-menu
210	'( ( ( "FLT" calc-normal-notation
211	(progn calc-num-prefix calc-normal-notation) )
212	( "FIX" (progn 2 calc-fix-notation)
213	(progn calc-num-prefix calc-fix-notation) )
214	( "SCI" calc-sci-notation
215	(progn calc-num-prefix calc-sci-notation) )
216	( "ENG" calc-eng-notation
217	(progn calc-num-prefix calc-eng-notation) )
218	( "GRP" calc-group-digits "\C-u-3\excalc-group-digits\r" )
219	( "" nil ) )
220	( ( "RAD" calc-radians-mode )
221	( "DEG" calc-degrees-mode )
222	( "FRAC" calc-frac-mode )
223	( "POLR" calc-polar-mode )
224	( "SYMB" calc-symbolic-mode )
225	( "PREC" calc-precision ) )
226	( ( "SWAP" calc-roll-down )
227	( "RLL3" (progn 3 calc-roll-up) (progn 3 calc-roll-down) )
228	( "RLL4" (progn 4 calc-roll-up) (progn 4 calc-roll-down) )
229	( "OVER" calc-over )
230	( "STO" calc-keypad-store )
231	( "RCL" calc-keypad-recall ) ) ))
232
233	(define-derived-mode calc-keypad-mode fundamental-mode "Calculator"
234	"Major mode for Calc keypad input."
235	(define-key calc-keypad-mode-map " " 'calc-keypad-press)
236	(define-key calc-keypad-mode-map (kbd "RET") 'calc-keypad-press)
237	(define-key calc-keypad-mode-map (kbd "TAB") 'calc-keypad-menu)
238	(define-key calc-keypad-mode-map "q" 'calc-keypad-off)
239	(define-key calc-keypad-mode-map [(mouse-3)] 'calc-keypad-right-click)
240	(define-key calc-keypad-mode-map [(mouse-2)] 'calc-keypad-middle-click)
241	(define-key calc-keypad-mode-map [(mouse-1)] 'calc-keypad-left-click)
242	(put 'calc-keypad-mode 'mode-class 'special)
243	(make-local-variable 'calc-main-buffer))
136211a9 EZ	244
136211a9 EZ	245	(defun calc-do-keypad (&optional full-display interactive)
136211a9 EZ	246	(calc-create-buffer)
136211a9 EZ	247	(let ((calcbuf (current-buffer)))
1e253dcb CW	248	(unless (bufferp calc-keypad-buffer)
	249	(set-buffer (setq calc-keypad-buffer (get-buffer-create "Calc Keypad")))
	250	(calc-keypad-mode)
1d937026 EZ	251	(setq calc-main-buffer calcbuf)
	252	(calc-keypad-redraw)
	253	(calc-trail-buffer))
136211a9 EZ	254	(let ((width 29)
	255	(height 17)
	256	win old-win)
	257	(if (setq win (get-buffer-window "Calculator"))
	258	(delete-window win))
	259	(if (setq win (get-buffer-window "Calc Trail"))
	260	(if (one-window-p)
	261	(switch-to-buffer (other-buffer))
	262	(delete-window win)))
	263	(if (setq win (get-buffer-window calc-keypad-buffer))
	264	(progn
	265	(bury-buffer "Calculator")
	266	(bury-buffer "Calc Trail")
	267	(bury-buffer calc-keypad-buffer)
	268	(if (one-window-p)
	269	(switch-to-buffer (other-buffer))
1d937026	270	(delete-window win)))
136211a9 EZ	271	(setq calc-was-keypad-mode t
	272	old-win (get-largest-window))
	273	(if (or (< (window-height old-win) (+ height 6))
	274	(< (window-width old-win) (+ width 15))
	275	full-display)
	276	(delete-other-windows old-win))
	277	(if (< (window-height old-win) (+ height 4))
	278	(error "Screen is not tall enough for this mode"))
	279	(if full-display
	280	(progn
	281	(setq win (split-window old-win (- (window-height old-win)
	282	height 1)))
	283	(set-window-buffer old-win (calc-trail-buffer))
	284	(set-window-buffer win calc-keypad-buffer)
	285	(set-window-start win 1)
	286	(setq win (split-window win (+ width 3) t))
	287	(set-window-buffer win calcbuf))
	288	(if (or t ; left-side keypad not yet fully implemented
	289	(< (save-excursion
	290	(set-buffer (window-buffer old-win))
	291	(current-column))
	292	(/ (window-width) 2)))
	293	(setq win (split-window old-win (- (window-width old-win)
	294	width 2)
	295	t))
	296	(setq old-win (split-window old-win (+ width 2) t)))
	297	(set-window-buffer win calc-keypad-buffer)
	298	(set-window-start win 1)
	299	(split-window win (- (window-height win) height 1))
	300	(set-window-buffer win calcbuf))
	301	(select-window old-win)
1e253dcb	302	(message "Welcome to GNU Emacs Calc! Use the left and right mouse buttons")
136211a9 EZ	303	(run-hooks 'calc-keypad-start-hook)
	304	(and calc-keypad-said-hello interactive
	305	(progn
	306	(sit-for 2)
	307	(message "")))
1d937026 EZ	308	(setq calc-keypad-said-hello t)))
1d937026 EZ	309	(setq calc-keypad-input nil)))
136211a9 EZ	310
	311	(defun calc-keypad-off ()
	312	(interactive)
	313	(if calc-standalone-flag
	314	(save-buffers-kill-emacs nil)
bf77c646	315	(calc-keypad)))
136211a9 EZ	316
	317	(defun calc-keypad-redraw ()
	318	(set-buffer calc-keypad-buffer)
	319	(setq buffer-read-only t)
	320	(setq calc-keypad-full-layout (append (symbol-value (nth calc-keypad-menu
	321	calc-keypad-menus))
	322	calc-keypad-layout))
	323	(let ((buffer-read-only nil)
	324	(row calc-keypad-full-layout)
	325	(y 0))
	326	(erase-buffer)
	327	(insert "\n")
	328	(while row
	329	(let ((col (car row)))
	330	(while col
	331	(let* ((key (car col))
	332	(cwid (if (>= y 4)
	333	5
	334	(if (and (= y 3) (eq col (car row)))
	335	(progn (setq col (cdr col)) 9)
	336	4)))
	337	(name (if (and calc-standalone-flag
	338	(eq (nth 1 key) 'calc-keypad-off))
	339	"EXIT"
	340	(if (> (length (car key)) cwid)
	341	(substring (car key) 0 cwid)
	342	(car key))))
	343	(wid (length name))
	344	(pad (- cwid (/ wid 2))))
	345	(insert (make-string (/ (- cwid wid) 2) 32)
	346	name
	347	(make-string (/ (- cwid wid -1) 2) 32)
	348	(if (equal name "MENU")
	349	(int-to-string (1+ calc-keypad-menu))
	350	"\|")))
	351	(or (setq col (cdr col))
	352	(insert "\n")))
	353	(insert (if (>= y 4)
	354	"-----+-----+-----+-----+-----"
	355	(if (= y 3)
	356	"-----+---+-+--+--+-+---++----"
	357	"----+----+----+----+----+----"))
	358	(if (= y 7) "+\n" "\|\n"))
	359	(setq y (1+ y)
	360	row (cdr row)))))
	361	(setq calc-keypad-prev-input t)
	362	(calc-keypad-show-input)
bf77c646	363	(goto-char (point-min)))
136211a9 EZ	364
	365	(defun calc-keypad-show-input ()
	366	(or (equal calc-keypad-input calc-keypad-prev-input)
	367	(let ((buffer-read-only nil))
	368	(save-excursion
	369	(goto-char (point-min))
	370	(forward-line 1)
	371	(delete-region (point-min) (point))
	372	(if calc-keypad-input
	373	(insert "Calc: " calc-keypad-input "\n")
	374	(insert "----+-----Calc " calc-version "-----+----"
	375	(int-to-string (1+ calc-keypad-menu))
	376	"\n")))))
bf77c646	377	(setq calc-keypad-prev-input calc-keypad-input))
136211a9 EZ	378
	379	(defun calc-keypad-press ()
	380	(interactive)
1e253dcb CW	381	(unless (eq major-mode 'calc-keypad-mode)
1e253dcb CW	382	(error "Must be in Calc Keypad buffer for this command"))
136211a9 EZ	383	(let* ((row (save-excursion
	384	(beginning-of-line)
	385	(count-lines (point-min) (point))))
	386	(y (/ row 2))
	387	(x (/ (current-column) (if (>= y 4) 6 5)))
	388	radix frac inv
1e253dcb	389	(hyp (with-current-buffer calc-main-buffer
136211a9 EZ	390	(setq radix calc-number-radix
	391	frac calc-prefer-frac
	392	inv calc-inverse-flag)
	393	calc-hyperbolic-flag))
	394	(invhyp t)
	395	(menu (symbol-value (nth calc-keypad-menu calc-keypad-menus)))
	396	(input calc-keypad-input)
	397	(iexpon (and input
	398	(or (string-match "\\*[0-9]+\\.\\^" input)
	399	(and (<= radix 14) (string-match "e" input)))
	400	(match-end 0)))
	401	(key (nth x (nth y calc-keypad-full-layout)))
	402	(cmd (or (nth (if inv (if hyp 4 2) (if hyp 3 99)) key)
	403	(setq invhyp nil)
	404	(nth 1 key)))
	405	(isstring (and (consp cmd) (stringp (car cmd))))
	406	(calc-is-keypad-press t))
	407	(if invhyp (calc-wrapper)) ; clear Inv and Hyp flags
	408	(unwind-protect
	409	(cond ((or (null cmd)
	410	(= (% row 2) 0))
	411	(beep))
	412	((and (> (minibuffer-depth) 0))
	413	(cond (isstring
1d937026	414	(push (aref (car cmd) 0) unread-command-events))
136211a9	415	((eq cmd 'calc-pop)
1d937026	416	(push ?\177 unread-command-events))
136211a9	417	((eq cmd 'calc-enter)
1d937026	418	(push 13 unread-command-events))
136211a9	419	((eq cmd 'calc-undo)
1d937026	420	(push 7 unread-command-events))
136211a9 EZ	421	(t
	422	(beep))))
	423	((and input (string-match "STO\\\|RCL" input))
	424	(cond ((and isstring (string-match "[0-9]" (car cmd)))
	425	(setq calc-keypad-input nil)
	426	(let ((var (intern (concat "var-q" (car cmd)))))
	427	(cond ((equal input "STO+") (calc-store-plus var))
	428	((equal input "STO-") (calc-store-minus var))
	429	((equal input "STO*") (calc-store-times var))
	430	((equal input "STO/") (calc-store-div var))
	431	((equal input "STO^") (calc-store-power var))
	432	((equal input "STOn") (calc-store-neg 1 var))
	433	((equal input "STO&") (calc-store-inv 1 var))
	434	((equal input "STO") (calc-store-into var))
	435	(t (calc-recall var)))))
	436	((memq cmd '(calc-pop calc-undo))
	437	(setq calc-keypad-input nil))
	438	((and (equal input "STO")
	439	(setq frac (assq cmd '( ( calc-plus . "+" )
	440	( calc-minus . "-" )
	441	( calc-times . "*" )
	442	( calc-divide . "/" )
	443	( calc-power . "^")
	444	( calc-change-sign . "n")
	445	( calc-inv . "&") ))))
	446	(setq calc-keypad-input (concat input (cdr frac))))
	447	(t
	448	(beep))))
	449	(isstring
	450	(setq cmd (car cmd))
	451	(if (or (and (equal cmd ".")
	452	input
	453	(string-match "[.:e^]" input))
	454	(and (equal cmd "e")
	455	input
	456	(or (and (<= radix 14) (string-match "e" input))
	457	(string-match "\\^\\\|[-.:]\\'" input)))
	458	(and (not (equal cmd "."))
	459	(let ((case-fold-search nil))
	460	(string-match cmd "0123456789ABCDEF"
	461	(if (string-match
	462	"[e^]" (or input ""))
	463	10 radix)))))
	464	(beep)
	465	(setq calc-keypad-input (concat
	466	(and (/= radix 10)
	467	(or (not input)
	468	(equal input "-"))
	469	(format "%d#" radix))
	470	(and (or (not input)
	471	(equal input "-"))
	472	(or (and (equal cmd "e") "1")
	473	(and (equal cmd ".")
	474	(if frac "1" "0"))))
	475	input
	476	(if (and (equal cmd ".") frac)
	477	":"
	478	(if (and (equal cmd "e")
	479	(or (not input)
	480	(string-match
	481	"#" input))
	482	(> radix 14))
	483	(format "*%d.^" radix)
	484	cmd))))))
485	((and (eq cmd 'calc-change-sign)
486	input)
487	(let* ((epos (or iexpon 0))
488	(suffix (substring input epos)))
489	(setq calc-keypad-input (concat
490	(substring input 0 epos)
491	(if (string-match "\\`-" suffix)
492	(substring suffix 1)
493	(concat "-" suffix))))))
494	((and (eq cmd 'calc-pop)
495	input)
496	(if (equal input "")
497	(beep)
498	(setq calc-keypad-input (substring input 0
499	(or (string-match
500	"\\*[0-9]+\\.\\^\\'"
501	input)
502	-1)))))
503	((and (eq cmd 'calc-undo)
504	input)
505	(setq calc-keypad-input nil))
506	(t
507	(if input
508	(let ((val (math-read-number input)))
509	(setq calc-keypad-input nil)
510	(if val
511	(calc-wrapper
512	(calc-push-list (list (calc-record
513	(calc-normalize val)))))
514	(or (equal input "")
515	(beep))
516	(setq cmd nil))
517	(if (eq cmd 'calc-enter) (setq cmd nil))))
518	(setq prefix-arg current-prefix-arg)
519	(if cmd
520	(if (and (consp cmd) (eq (car cmd) 'progn))
521	(while (setq cmd (cdr cmd))
522	(if (integerp (car cmd))
523	(setq prefix-arg (car cmd))
524	(command-execute (car cmd))))
525	(command-execute cmd)))))
526	(set-buffer calc-keypad-buffer)
bf77c646	527	(calc-keypad-show-input))))
136211a9	528
1d937026	529	(defun calc-keypad-left-click (event)
136211a9	530	"Handle a left-button mouse click in Calc Keypad window."
1d937026 EZ	531	(interactive "e")
	532	(goto-char (posn-point (event-start event)))
	533	(calc-keypad-press))
136211a9	534
1d937026	535	(defun calc-keypad-right-click (event)
136211a9	536	"Handle a right-button mouse click in Calc Keypad window."
1d937026 EZ	537	(interactive "e")
	538	(save-excursion
	539	(set-buffer calc-keypad-buffer)
	540	(calc-keypad-menu)))
136211a9	541
1d937026	542	(defun calc-keypad-middle-click (event)
136211a9	543	"Handle a middle-button mouse click in Calc Keypad window."
1d937026 EZ	544	(interactive "e")
	545	(with-current-buffer calc-keypad-buffer
	546	(calc-keypad-menu-back)))
136211a9 EZ	547
	548	(defun calc-keypad-menu ()
	549	(interactive)
1e253dcb	550	(unless (eq major-mode 'calc-keypad-mode)
1d937026	551	(error "Must be in Calc Keypad buffer for this command"))
136211a9 EZ	552	(while (progn (setq calc-keypad-menu (% (1+ calc-keypad-menu)
	553	(length calc-keypad-menus)))
	554	(not (symbol-value (nth calc-keypad-menu calc-keypad-menus)))))
bf77c646	555	(calc-keypad-redraw))
136211a9 EZ	556
	557	(defun calc-keypad-menu-back ()
	558	(interactive)
1e253dcb	559	(or (eq major-mode 'calc-keypad-mode)
136211a9 EZ	560	(error "Must be in Calc Keypad buffer for this command"))
	561	(while (progn (setq calc-keypad-menu (% (1- (+ calc-keypad-menu
	562	(length calc-keypad-menus)))
	563	(length calc-keypad-menus)))
	564	(not (symbol-value (nth calc-keypad-menu calc-keypad-menus)))))
bf77c646	565	(calc-keypad-redraw))
136211a9 EZ	566
	567	(defun calc-keypad-store ()
	568	(interactive)
bf77c646	569	(setq calc-keypad-input "STO"))
136211a9 EZ	570
	571	(defun calc-keypad-recall ()
	572	(interactive)
bf77c646	573	(setq calc-keypad-input "RCL"))
136211a9 EZ	574
	575	(defun calc-pack-interval (mode)
	576	(interactive "p")
	577	(if (or (< mode 0) (> mode 3))
1e253dcb	578	(error "Open/close code should be in the range from 0 to 3"))
bf77c646	579	(calc-pack (- -6 mode)))
136211a9 EZ	580
	581	(defun calc-keypad-execute ()
	582	(interactive)
	583	(let* ((prompt "Calc keystrokes: ")
	584	(flush 'x-flush-mouse-queue)
	585	(prefix nil)
	586	keys cmd)
	587	(save-excursion
	588	(calc-select-buffer)
	589	(while (progn
	590	(setq keys (read-key-sequence prompt))
	591	(setq cmd (key-binding keys))
	592	(if (or (memq cmd '(calc-inverse
	593	calc-hyperbolic
	594	universal-argument
	595	digit-argument
	596	negative-argument))
	597	(and prefix (string-match "\\`\e?[-0-9]\\'" keys)))
	598	(progn
	599	(setq last-command-char (aref keys (1- (length keys))))
	600	(command-execute cmd)
	601	(setq flush 'not-any-more
	602	prefix t
	603	prompt (concat prompt (key-description keys) " ")))
	604	(eq cmd flush))))) ; skip mouse-up event
	605	(message "")
	606	(if (commandp cmd)
	607	(command-execute cmd)
bf77c646	608	(error "Not a Calc command: %s" (key-description keys)))))
136211a9	609
567bb26f	610	(provide 'calc-keypd)
136211a9	611
ab5796a9	612	;;; arch-tag: 4ba0d360-2bb6-40b8-adfa-eb373765b3f9
bf77c646	613	;;; calc-keypd.el ends here