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Update copyright year to 2014 by running admin/update-copyright.
[emacs.git] / lisp / calc / calc-keypd.el
blobd5021e68806b033ff6d6b25b0951ec8739982143
1 ;;; calc-keypd.el --- mouse-capable keypad input for Calc
2
3 ;; Copyright (C) 1990-1993, 2001-2014 Free Software Foundation, Inc.
4
5 ;; Author: David Gillespie <daveg@synaptics.com>
6 ;; Maintainer: Jay Belanger <jay.p.belanger@gmail.com>
7
8 ;; This file is part of GNU Emacs.
9
10 ;; GNU Emacs is free software: you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation, either version 3 of the License, or
13 ;; (at your option) any later version.
14
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
19
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
22
23 ;;; Commentary:
24
25 ;;; Code:
26
27 ;; This file is autoloaded from calc-ext.el.
28
29 (require 'calc-ext)
30 (require 'calc-macs)
31
32 (defvar calc-keypad-buffer nil)
33 (defvar calc-keypad-menu 0)
34 (defvar calc-keypad-full-layout nil)
35 (defvar calc-keypad-input nil)
36 (defvar calc-keypad-prev-input nil)
37 (defvar calc-keypad-said-hello nil)
38
39 ;;; |----+----+----+----+----+----|
40 ;;; | ENTER |+/- |EEX |UNDO| <- |
41 ;;; |-----+---+-+--+--+-+---++----|
42 ;;; | INV | 7 | 8 | 9 | / |
43 ;;; |-----+-----+-----+-----+-----|
44 ;;; | HYP | 4 | 5 | 6 | * |
45 ;;; |-----+-----+-----+-----+-----|
46 ;;; |EXEC | 1 | 2 | 3 | - |
47 ;;; |-----+-----+-----+-----+-----|
48 ;;; | OFF | 0 | . | PI | + |
49 ;;; |-----+-----+-----+-----+-----|
50 (defvar calc-keypad-layout
51 '( ( ( "ENTER" calc-enter calc-roll-down calc-roll-up calc-over )
52 ( "ENTER" calc-enter calc-roll-down calc-roll-up calc-over )
53 ( "+/-" calc-change-sign calc-inv (progn -4 calc-pack) )
54 ( "EEX" ("e") (progn calc-num-prefix calc-pack-interval)
55 (progn -5 calc-pack) )
56 ( "UNDO" calc-undo calc-redo calc-last-args )
57 ( "<-" calc-pop (progn 0 calc-pop)
58 (progn calc-num-prefix calc-pop) ) )
59 ( ( "INV" calc-inverse )
60 ( "7" ("7") calc-round )
61 ( "8" ("8") (progn 2 calc-clean-num) )
62 ( "9" ("9") calc-float )
63 ( "/" calc-divide (progn calc-inverse calc-power) ) )
64 ( ( "HYP" calc-hyperbolic )
65 ( "4" ("4") calc-ln calc-log10 )
66 ( "5" ("5") calc-exp calc-exp10 )
67 ( "6" ("6") calc-abs )
68 ( "*" calc-times calc-power ) )
69 ( ( "EXEC" calc-keypad-execute )
70 ( "1" ("1") calc-arcsin calc-sin )
71 ( "2" ("2") calc-arccos calc-cos )
72 ( "3" ("3") calc-arctan calc-tan )
73 ( "-" calc-minus calc-conj ) )
74 ( ( "OFF" calc-keypad-off )
75 ( "0" ("0") calc-imaginary )
76 ( "." (".") calc-precision )
77 ( "PI" calc-pi )
78 ( "+" calc-plus calc-sqrt ) ) ))
79
80 (defvar calc-keypad-menus '( calc-keypad-math-menu
81 calc-keypad-funcs-menu
82 calc-keypad-binary-menu
83 calc-keypad-vector-menu
84 calc-keypad-modes-menu
85 calc-keypad-user-menu ) )
86
87 ;;; |----+----+----+----+----+----|
88 ;;; |FLR |CEIL|RND |TRNC|CLN2|FLT |
89 ;;; |----+----+----+----+----+----|
90 ;;; | LN |EXP | |ABS |IDIV|MOD |
91 ;;; |----+----+----+----+----+----|
92 ;;; |SIN |COS |TAN |SQRT|y^x |1/x |
93
94 (defvar calc-keypad-math-menu
95 '( ( ( "FLR" calc-floor )
96 ( "CEIL" calc-ceiling )
97 ( "RND" calc-round )
98 ( "TRNC" calc-trunc )
99 ( "CLN2" (progn 2 calc-clean-num) )
100 ( "FLT" calc-float ) )
101 ( ( "LN" calc-ln )
102 ( "EXP" calc-exp )
103 ( "" nil )
104 ( "ABS" calc-abs )
105 ( "IDIV" calc-idiv )
106 ( "MOD" calc-mod ) )
107 ( ( "SIN" calc-sin )
108 ( "COS" calc-cos )
109 ( "TAN" calc-tan )
110 ( "SQRT" calc-sqrt )
111 ( "y^x" calc-power )
112 ( "1/x" calc-inv ) ) ))
113
114 ;;; |----+----+----+----+----+----|
115 ;;; |IGAM|BETA|IBET|ERF |BESJ|BESY|
116 ;;; |----+----+----+----+----+----|
117 ;;; |IMAG|CONJ| RE |ATN2|RAND|RAGN|
118 ;;; |----+----+----+----+----+----|
119 ;;; |GCD |FACT|DFCT|BNOM|PERM|NXTP|
120
121 (defvar calc-keypad-funcs-menu
122 '( ( ( "IGAM" calc-inc-gamma )
123 ( "BETA" calc-beta )
124 ( "IBET" calc-inc-beta )
125 ( "ERF" calc-erf )
126 ( "BESJ" calc-bessel-J )
127 ( "BESY" calc-bessel-Y ) )
128 ( ( "IMAG" calc-imaginary )
129 ( "CONJ" calc-conj )
130 ( "RE" calc-re calc-im )
131 ( "ATN2" calc-arctan2 )
132 ( "RAND" calc-random )
133 ( "RAGN" calc-random-again ) )
134 ( ( "GCD" calc-gcd calc-lcm )
135 ( "FACT" calc-factorial calc-gamma )
136 ( "DFCT" calc-double-factorial )
137 ( "BNOM" calc-choose )
138 ( "PERM" calc-perm )
139 ( "NXTP" calc-next-prime calc-prev-prime ) ) ))
140
141 ;;; |----+----+----+----+----+----|
142 ;;; |AND | OR |XOR |NOT |LSH |RSH |
143 ;;; |----+----+----+----+----+----|
144 ;;; |DEC |HEX |OCT |BIN |WSIZ|ARSH|
145 ;;; |----+----+----+----+----+----|
146 ;;; | A | B | C | D | E | F |
147
148 (defvar calc-keypad-binary-menu
149 '( ( ( "AND" calc-and calc-diff )
150 ( "OR" calc-or )
151 ( "XOR" calc-xor )
152 ( "NOT" calc-not calc-clip )
153 ( "LSH" calc-lshift-binary calc-rotate-binary )
154 ( "RSH" calc-rshift-binary ) )
155 ( ( "DEC" calc-decimal-radix )
156 ( "HEX" calc-hex-radix )
157 ( "OCT" calc-octal-radix )
158 ( "BIN" calc-binary-radix )
159 ( "WSIZ" calc-word-size )
160 ( "ARSH" calc-rshift-arith ) )
161 ( ( "A" ("A") )
162 ( "B" ("B") )
163 ( "C" ("C") )
164 ( "D" ("D") )
165 ( "E" ("E") )
166 ( "F" ("F") ) ) ))
167
168 ;;; |----+----+----+----+----+----|
169 ;;; |SUM |PROD|MAX |MAP*|MAP^|MAP$|
170 ;;; |----+----+----+----+----+----|
171 ;;; |INV |DET |TRN |IDNT|CRSS|"x" |
172 ;;; |----+----+----+----+----+----|
173 ;;; |PACK|UNPK|INDX|BLD |LEN |... |
174
175 (defvar calc-keypad-vector-menu
176 '( ( ( "SUM" calc-vector-sum calc-vector-alt-sum calc-vector-mean )
177 ( "PROD" calc-vector-product nil calc-vector-sdev )
178 ( "MAX" calc-vector-max calc-vector-min calc-vector-median )
179 ( "MAP*" (lambda () (interactive)
180 (calc-map '(2 calcFunc-mul "*"))) )
181 ( "MAP^" (lambda () (interactive)
182 (calc-map '(2 calcFunc-pow "^"))) )
183 ( "MAP$" calc-map-stack ) )
184 ( ( "MINV" calc-inv )
185 ( "MDET" calc-mdet )
186 ( "MTRN" calc-transpose calc-conj-transpose )
187 ( "IDNT" (progn calc-num-prefix calc-ident) )
188 ( "CRSS" calc-cross )
189 ( "\"x\"" "\excalc-algebraic-entry\rx\r"
190 "\excalc-algebraic-entry\ry\r"
191 "\excalc-algebraic-entry\rz\r"
192 "\excalc-algebraic-entry\rt\r") )
193 ( ( "PACK" calc-pack )
194 ( "UNPK" calc-unpack )
195 ( "INDX" (progn calc-num-prefix calc-index) "\C-u\excalc-index\r" )
196 ( "BLD" (progn calc-num-prefix calc-build-vector) )
197 ( "LEN" calc-vlength )
198 ( "..." calc-full-vectors ) ) ))
199
200 ;;; |----+----+----+----+----+----|
201 ;;; |FLT |FIX |SCI |ENG |GRP | |
202 ;;; |----+----+----+----+----+----|
203 ;;; |RAD |DEG |FRAC|POLR|SYMB|PREC|
204 ;;; |----+----+----+----+----+----|
205 ;;; |SWAP|RLL3|RLL4|OVER|STO |RCL |
206
207 (defvar calc-keypad-modes-menu
208 '( ( ( "FLT" calc-normal-notation
209 (progn calc-num-prefix calc-normal-notation) )
210 ( "FIX" (progn 2 calc-fix-notation)
211 (progn calc-num-prefix calc-fix-notation) )
212 ( "SCI" calc-sci-notation
213 (progn calc-num-prefix calc-sci-notation) )
214 ( "ENG" calc-eng-notation
215 (progn calc-num-prefix calc-eng-notation) )
216 ( "GRP" calc-group-digits "\C-u-3\excalc-group-digits\r" )
217 ( "" nil ) )
218 ( ( "RAD" calc-radians-mode )
219 ( "DEG" calc-degrees-mode )
220 ( "FRAC" calc-frac-mode )
221 ( "POLR" calc-polar-mode )
222 ( "SYMB" calc-symbolic-mode )
223 ( "PREC" calc-precision ) )
224 ( ( "SWAP" calc-roll-down )
225 ( "RLL3" (progn 3 calc-roll-up) (progn 3 calc-roll-down) )
226 ( "RLL4" (progn 4 calc-roll-up) (progn 4 calc-roll-down) )
227 ( "OVER" calc-over )
228 ( "STO" calc-keypad-store )
229 ( "RCL" calc-keypad-recall ) ) ))
230
231 (define-derived-mode calc-keypad-mode fundamental-mode "Calculator"
232 "Major mode for Calc keypad input."
233 (define-key calc-keypad-mode-map " " 'calc-keypad-press)
234 (define-key calc-keypad-mode-map (kbd "RET") 'calc-keypad-press)
235 (define-key calc-keypad-mode-map (kbd "TAB") 'calc-keypad-menu)
236 (define-key calc-keypad-mode-map "q" 'calc-keypad-off)
237 (define-key calc-keypad-mode-map [down-mouse-1] 'ignore)
238 (define-key calc-keypad-mode-map [drag-mouse-1] 'ignore)
239 (define-key calc-keypad-mode-map [double-mouse-1] 'ignore)
240 (define-key calc-keypad-mode-map [triple-mouse-1] 'ignore)
241 (define-key calc-keypad-mode-map [down-mouse-2] 'ignore)
242 (define-key calc-keypad-mode-map [drag-mouse-2] 'ignore)
243 (define-key calc-keypad-mode-map [double-mouse-2] 'ignore)
244 (define-key calc-keypad-mode-map [triple-mouse-2] 'ignore)
245 (define-key calc-keypad-mode-map [down-mouse-3] 'ignore)
246 (define-key calc-keypad-mode-map [drag-mouse-3] 'ignore)
247 (define-key calc-keypad-mode-map [double-mouse-3] 'ignore)
248 (define-key calc-keypad-mode-map [triple-mouse-3] 'ignore)
249 (define-key calc-keypad-mode-map [mouse-3] 'calc-keypad-right-click)
250 (define-key calc-keypad-mode-map [mouse-2] 'calc-keypad-middle-click)
251 (define-key calc-keypad-mode-map [mouse-1] 'calc-keypad-left-click)
252 (put 'calc-keypad-mode 'mode-class 'special)
253 (make-local-variable 'calc-main-buffer))
254
255 (defun calc-do-keypad (&optional full-display interactive)
256 (calc-create-buffer)
257 (let ((calcbuf (current-buffer)))
258 (unless (bufferp calc-keypad-buffer)
259 (set-buffer (setq calc-keypad-buffer (get-buffer-create "*Calc Keypad*")))
260 (calc-keypad-mode)
261 (setq calc-main-buffer calcbuf)
262 (calc-keypad-redraw)
263 (calc-trail-buffer))
264 (let ((width 29)
265 (height 17)
266 win old-win)
267 (if (setq win (get-buffer-window "*Calculator*"))
268 (delete-window win))
269 (if (setq win (get-buffer-window "*Calc Trail*"))
270 (if (one-window-p)
271 (switch-to-buffer (other-buffer))
272 (delete-window win)))
273 (if (setq win (get-buffer-window calc-keypad-buffer))
274 (progn
275 (bury-buffer "*Calculator*")
276 (bury-buffer "*Calc Trail*")
277 (bury-buffer calc-keypad-buffer)
278 (if (one-window-p)
279 (switch-to-buffer (other-buffer))
280 (delete-window win)))
281 (setq calc-was-keypad-mode t
282 old-win (get-largest-window))
283 (if (or (< (window-height old-win) (+ height 6))
284 (< (window-width old-win) (+ width 15))
285 full-display)
286 (delete-other-windows old-win))
287 (if (< (window-height old-win) (+ height 4))
288 (error "Screen is not tall enough for this mode"))
289 (if full-display
290 (progn
291 (setq win (split-window old-win (- (window-height old-win)
292 height 1)))
293 (set-window-buffer old-win (calc-trail-buffer))
294 (set-window-buffer win calc-keypad-buffer)
295 (set-window-start win 1)
296 (setq win (split-window win (+ width 7) t))
297 (set-window-buffer win calcbuf))
298 (if (or t ; left-side keypad not yet fully implemented
299 (< (with-current-buffer (window-buffer old-win)
300 (current-column))
301 (/ (window-width) 2)))
302 (setq win (split-window old-win (- (window-width old-win)
303 width 2)
304 t))
305 (setq old-win (split-window old-win (+ width 2) t)))
306 (set-window-buffer win calc-keypad-buffer)
307 (set-window-start win 1)
308 (split-window win (- (window-height win) height 1))
309 (set-window-buffer win calcbuf))
310 (select-window old-win)
311 (message "Welcome to GNU Emacs Calc! Use the left and right mouse buttons")
312 (run-hooks 'calc-keypad-start-hook)
313 (and calc-keypad-said-hello interactive
314 (progn
315 (sit-for 2)
316 (message "")))
317 (setq calc-keypad-said-hello t)))
318 (setq calc-keypad-input nil)))
319
320 (defun calc-keypad-off ()
321 (interactive)
322 (if calc-standalone-flag
323 (save-buffers-kill-emacs nil)
324 (calc-keypad)))
325
326 (defun calc-keypad-redraw ()
327 (set-buffer calc-keypad-buffer)
328 (setq buffer-read-only t)
329 (setq calc-keypad-full-layout (append (symbol-value (nth calc-keypad-menu
330 calc-keypad-menus))
331 calc-keypad-layout))
332 (let ((buffer-read-only nil)
333 (row calc-keypad-full-layout)
334 (y 0))
335 (erase-buffer)
336 (insert "\n")
337 (while row
338 (let ((col (car row)))
339 (while col
340 (let* ((key (car col))
341 (cwid (if (>= y 4)
342 5
343 (if (and (= y 3) (eq col (car row)))
344 (progn (setq col (cdr col)) 9)
345 4)))
346 (name (if (and calc-standalone-flag
347 (eq (nth 1 key) 'calc-keypad-off))
348 "EXIT"
349 (if (> (length (car key)) cwid)
350 (substring (car key) 0 cwid)
351 (car key))))
352 (wid (length name)))
353 (insert (make-string (/ (- cwid wid) 2) 32)
354 name
355 (make-string (/ (- cwid wid -1) 2) 32)
356 (if (equal name "MENU")
357 (int-to-string (1+ calc-keypad-menu))
358 "|")))
359 (or (setq col (cdr col))
360 (insert "\n")))
361 (insert (if (>= y 4)
362 "-----+-----+-----+-----+-----"
363 (if (= y 3)
364 "-----+---+-+--+--+-+---++----"
365 "----+----+----+----+----+----"))
366 (if (= y 7) "+\n" "|\n"))
367 (setq y (1+ y)
368 row (cdr row)))))
369 (setq calc-keypad-prev-input t)
370 (calc-keypad-show-input)
371 (goto-char (point-min)))
372
373 (defun calc-keypad-show-input ()
374 (or (equal calc-keypad-input calc-keypad-prev-input)
375 (let ((buffer-read-only nil))
376 (save-excursion
377 (goto-char (point-min))
378 (forward-line 1)
379 (delete-region (point-min) (point))
380 (if calc-keypad-input
381 (insert "Calc: " calc-keypad-input "\n")
382 (insert "----+----+--Calc---+----+----"
383 (int-to-string (1+ calc-keypad-menu))
384 "\n")))))
385 (setq calc-keypad-prev-input calc-keypad-input))
386
387 (defun calc-keypad-press ()
388 (interactive)
389 (unless (eq major-mode 'calc-keypad-mode)
390 (error "Must be in *Calc Keypad* buffer for this command"))
391 (let* ((row (count-lines (point-min) (point-at-bol)))
392 (y (/ row 2))
393 (x (/ (current-column) (if (>= y 4) 6 5)))
394 radix frac inv
395 (hyp (with-current-buffer calc-main-buffer
396 (setq radix calc-number-radix
397 frac calc-prefer-frac
398 inv calc-inverse-flag)
399 calc-hyperbolic-flag))
400 (invhyp t)
401 (input calc-keypad-input)
402 (iexpon (and input
403 (or (string-match "\\*[0-9]+\\.\\^" input)
404 (and (<= radix 14) (string-match "e" input)))
405 (match-end 0)))
406 (key (nth x (nth y calc-keypad-full-layout)))
407 (cmd (or (nth (if inv (if hyp 4 2) (if hyp 3 99)) key)
408 (setq invhyp nil)
409 (nth 1 key)))
410 (isstring (and (consp cmd) (stringp (car cmd))))
411 (calc-is-keypad-press t))
412 (if invhyp (calc-wrapper)) ; clear Inv and Hyp flags
413 (unwind-protect
414 (cond ((or (null cmd)
415 (= (% row 2) 0))
416 (beep))
417 ((and (> (minibuffer-depth) 0))
418 (cond (isstring
419 (push (aref (car cmd) 0) unread-command-events))
420 ((eq cmd 'calc-pop)
421 (push ?\177 unread-command-events))
422 ((eq cmd 'calc-enter)
423 (push 13 unread-command-events))
424 ((eq cmd 'calc-undo)
425 (push 7 unread-command-events))
426 (t
427 (beep))))
428 ((and input (string-match "STO\\|RCL" input))
429 (cond ((and isstring (string-match "[0-9]" (car cmd)))
430 (setq calc-keypad-input nil)
431 (let ((var (intern (concat "var-q" (car cmd)))))
432 (cond ((equal input "STO+") (calc-store-plus var))
433 ((equal input "STO-") (calc-store-minus var))
434 ((equal input "STO*") (calc-store-times var))
435 ((equal input "STO/") (calc-store-div var))
436 ((equal input "STO^") (calc-store-power var))
437 ((equal input "STOn") (calc-store-neg 1 var))
438 ((equal input "STO&") (calc-store-inv 1 var))
439 ((equal input "STO") (calc-store-into var))
440 (t (calc-recall var)))))
441 ((memq cmd '(calc-pop calc-undo))
442 (setq calc-keypad-input nil))
443 ((and (equal input "STO")
444 (setq frac (assq cmd '( ( calc-plus . "+" )
445 ( calc-minus . "-" )
446 ( calc-times . "*" )
447 ( calc-divide . "/" )
448 ( calc-power . "^")
449 ( calc-change-sign . "n")
450 ( calc-inv . "&") ))))
451 (setq calc-keypad-input (concat input (cdr frac))))
452 (t
453 (beep))))
454 (isstring
455 (setq cmd (car cmd))
456 (if (or (and (equal cmd ".")
457 input
458 (string-match "[.:e^]" input))
459 (and (equal cmd "e")
460 input
461 (or (and (<= radix 14) (string-match "e" input))
462 (string-match "\\^\\|[-.:]\\'" input)))
463 (and (not (equal cmd "."))
464 (let ((case-fold-search nil))
465 (string-match cmd "0123456789ABCDEF"
466 (if (string-match
467 "[e^]" (or input ""))
468 10 radix)))))
469 (beep)
470 (setq calc-keypad-input (concat
471 (and (/= radix 10)
472 (or (not input)
473 (equal input "-"))
474 (format "%d#" radix))
475 (and (or (not input)
476 (equal input "-"))
477 (or (and (equal cmd "e") "1")
478 (and (equal cmd ".")
479 (if frac "1" "0"))))
480 input
481 (if (and (equal cmd ".") frac)
482 ":"
483 (if (and (equal cmd "e")
484 (or (not input)
485 (string-match
486 "#" input))
487 (> radix 14))
488 (format "*%d.^" radix)
489 cmd))))))
490 ((and (eq cmd 'calc-change-sign)
491 input)
492 (let* ((epos (or iexpon 0))
493 (suffix (substring input epos)))
494 (setq calc-keypad-input (concat
495 (substring input 0 epos)
496 (if (string-match "\\`-" suffix)
497 (substring suffix 1)
498 (concat "-" suffix))))))
499 ((and (eq cmd 'calc-pop)
500 input)
501 (if (equal input "")
502 (beep)
503 (setq calc-keypad-input (substring input 0
504 (or (string-match
505 "\\*[0-9]+\\.\\^\\'"
506 input)
507 -1)))))
508 ((and (eq cmd 'calc-undo)
509 input)
510 (setq calc-keypad-input nil))
511 (t
512 (if input
513 (let ((val (math-read-number input)))
514 (setq calc-keypad-input nil)
515 (if val
516 (calc-wrapper
517 (calc-push-list (list (calc-record
518 (calc-normalize val)))))
519 (or (equal input "")
520 (beep))
521 (setq cmd nil))
522 (if (eq cmd 'calc-enter) (setq cmd nil))))
523 (setq prefix-arg current-prefix-arg)
524 (if cmd
525 (if (and (consp cmd) (eq (car cmd) 'progn))
526 (while (setq cmd (cdr cmd))
527 (if (integerp (car cmd))
528 (setq prefix-arg (car cmd))
529 (command-execute (car cmd))))
530 (command-execute cmd)))))
531 (set-buffer calc-keypad-buffer)
532 (calc-keypad-show-input))))
533
534 (defun calc-keypad-left-click (event)
535 "Handle a left-button mouse click in Calc Keypad window."
536 ;; FIXME: Why not use "@e" instead to select the buffer?
537 (interactive "e")
538 (with-current-buffer calc-keypad-buffer
539 (goto-char (posn-point (event-start event)))
540 (calc-keypad-press)))
541
542 (defun calc-keypad-right-click (_event)
543 "Handle a right-button mouse click in Calc Keypad window."
544 ;; FIXME: Why not use "@e" instead to select the buffer?
545 (interactive "e")
546 (with-current-buffer calc-keypad-buffer
547 (calc-keypad-menu)))
548
549 (defun calc-keypad-middle-click (_event)
550 "Handle a middle-button mouse click in Calc Keypad window."
551 ;; FIXME: Why not use "@e" instead to select the buffer?
552 (interactive "e")
553 (with-current-buffer calc-keypad-buffer
554 (calc-keypad-menu-back)))
555
556 (defun calc-keypad-menu ()
557 (interactive)
558 (unless (eq major-mode 'calc-keypad-mode)
559 (error "Must be in *Calc Keypad* buffer for this command"))
560 (while (progn (setq calc-keypad-menu (% (1+ calc-keypad-menu)
561 (length calc-keypad-menus)))
562 (not (symbol-value (nth calc-keypad-menu calc-keypad-menus)))))
563 (calc-keypad-redraw))
564
565 (defun calc-keypad-menu-back ()
566 (interactive)
567 (or (eq major-mode 'calc-keypad-mode)
568 (error "Must be in *Calc Keypad* buffer for this command"))
569 (while (progn (setq calc-keypad-menu (% (1- (+ calc-keypad-menu
570 (length calc-keypad-menus)))
571 (length calc-keypad-menus)))
572 (not (symbol-value (nth calc-keypad-menu calc-keypad-menus)))))
573 (calc-keypad-redraw))
574
575 (defun calc-keypad-store ()
576 (interactive)
577 (setq calc-keypad-input "STO"))
578
579 (defun calc-keypad-recall ()
580 (interactive)
581 (setq calc-keypad-input "RCL"))
582
583 (defun calc-pack-interval (mode)
584 (interactive "p")
585 (if (or (< mode 0) (> mode 3))
586 (error "Open/close code should be in the range from 0 to 3"))
587 (calc-pack (- -6 mode)))
588
589 (defun calc-keypad-execute ()
590 (interactive)
591 (let* ((prompt "Calc keystrokes: ")
592 (prefix nil)
593 keys cmd)
594 (save-excursion
595 (calc-select-buffer)
596 (while (progn
597 (setq keys (read-key-sequence prompt))
598 (setq cmd (key-binding keys))
599 (if (or (memq cmd '(calc-inverse
600 calc-hyperbolic
601 universal-argument
602 digit-argument
603 negative-argument))
604 (and prefix (string-match "\\`\e?[-0-9]\\'" keys)))
605 (progn
606 (setq last-command-event (aref keys (1- (length keys))))
607 (command-execute cmd)
608 (setq prefix t
609 prompt (concat prompt (key-description keys) " ")))
610 nil)))) ; skip mouse-up event
611 (message "")
612 (if (commandp cmd)
613 (command-execute cmd)
614 (error "Not a Calc command: %s" (key-description keys)))))
615
616 (provide 'calc-keypd)
617
618 ;;; calc-keypd.el ends here
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