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[gnu-emacs] / lisp / calc / calc-keypd.el
1 ;;; calc-keypd.el --- mouse-capable keypad input for Calc
2
3 ;; Copyright (C) 1990-1993, 2001-2016 Free Software Foundation, Inc.
4
5 ;; Author: David Gillespie <daveg@synaptics.com>
6
7 ;; This file is part of GNU Emacs.
8
9 ;; GNU Emacs is free software: you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation, either version 3 of the License, or
12 ;; (at your option) any later version.
13
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
18
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
21
22 ;;; Commentary:
23
24 ;;; Code:
25
26 ;; This file is autoloaded from calc-ext.el.
27
28 (require 'calc-ext)
29 (require 'calc-macs)
30
31 (defvar calc-keypad-buffer nil)
32 (defvar calc-keypad-menu 0)
33 (defvar calc-keypad-full-layout nil)
34 (defvar calc-keypad-input nil)
35 (defvar calc-keypad-prev-input nil)
36 (defvar calc-keypad-said-hello nil)
37
38 ;;; |----+----+----+----+----+----|
39 ;;; | ENTER |+/- |EEX |UNDO| <- |
40 ;;; |-----+---+-+--+--+-+---++----|
41 ;;; | INV | 7 | 8 | 9 | / |
42 ;;; |-----+-----+-----+-----+-----|
43 ;;; | HYP | 4 | 5 | 6 | * |
44 ;;; |-----+-----+-----+-----+-----|
45 ;;; |EXEC | 1 | 2 | 3 | - |
46 ;;; |-----+-----+-----+-----+-----|
47 ;;; | OFF | 0 | . | PI | + |
48 ;;; |-----+-----+-----+-----+-----|
49 (defvar calc-keypad-layout
50 '( ( ( "ENTER" calc-enter calc-roll-down calc-roll-up calc-over )
51 ( "ENTER" calc-enter calc-roll-down calc-roll-up calc-over )
52 ( "+/-" calc-change-sign calc-inv (progn -4 calc-pack) )
53 ( "EEX" ("e") (progn calc-num-prefix calc-pack-interval)
54 (progn -5 calc-pack) )
55 ( "UNDO" calc-undo calc-redo calc-last-args )
56 ( "<-" calc-pop (progn 0 calc-pop)
57 (progn calc-num-prefix calc-pop) ) )
58 ( ( "INV" calc-inverse )
59 ( "7" ("7") calc-round )
60 ( "8" ("8") (progn 2 calc-clean-num) )
61 ( "9" ("9") calc-float )
62 ( "/" calc-divide (progn calc-inverse calc-power) ) )
63 ( ( "HYP" calc-hyperbolic )
64 ( "4" ("4") calc-ln calc-log10 )
65 ( "5" ("5") calc-exp calc-exp10 )
66 ( "6" ("6") calc-abs )
67 ( "*" calc-times calc-power ) )
68 ( ( "EXEC" calc-keypad-execute )
69 ( "1" ("1") calc-arcsin calc-sin )
70 ( "2" ("2") calc-arccos calc-cos )
71 ( "3" ("3") calc-arctan calc-tan )
72 ( "-" calc-minus calc-conj ) )
73 ( ( "OFF" calc-keypad-off )
74 ( "0" ("0") calc-imaginary )
75 ( "." (".") calc-precision )
76 ( "PI" calc-pi )
77 ( "+" calc-plus calc-sqrt ) ) ))
78
79 (defvar calc-keypad-menus '( calc-keypad-math-menu
80 calc-keypad-funcs-menu
81 calc-keypad-binary-menu
82 calc-keypad-vector-menu
83 calc-keypad-modes-menu
84 calc-keypad-user-menu ) )
85
86 ;;; |----+----+----+----+----+----|
87 ;;; |FLR |CEIL|RND |TRNC|CLN2|FLT |
88 ;;; |----+----+----+----+----+----|
89 ;;; | LN |EXP | |ABS |IDIV|MOD |
90 ;;; |----+----+----+----+----+----|
91 ;;; |SIN |COS |TAN |SQRT|y^x |1/x |
92
93 (defvar calc-keypad-math-menu
94 '( ( ( "FLR" calc-floor )
95 ( "CEIL" calc-ceiling )
96 ( "RND" calc-round )
97 ( "TRNC" calc-trunc )
98 ( "CLN2" (progn 2 calc-clean-num) )
99 ( "FLT" calc-float ) )
100 ( ( "LN" calc-ln )
101 ( "EXP" calc-exp )
102 ( "" nil )
103 ( "ABS" calc-abs )
104 ( "IDIV" calc-idiv )
105 ( "MOD" calc-mod ) )
106 ( ( "SIN" calc-sin )
107 ( "COS" calc-cos )
108 ( "TAN" calc-tan )
109 ( "SQRT" calc-sqrt )
110 ( "y^x" calc-power )
111 ( "1/x" calc-inv ) ) ))
112
113 ;;; |----+----+----+----+----+----|
114 ;;; |IGAM|BETA|IBET|ERF |BESJ|BESY|
115 ;;; |----+----+----+----+----+----|
116 ;;; |IMAG|CONJ| RE |ATN2|RAND|RAGN|
117 ;;; |----+----+----+----+----+----|
118 ;;; |GCD |FACT|DFCT|BNOM|PERM|NXTP|
119
120 (defvar calc-keypad-funcs-menu
121 '( ( ( "IGAM" calc-inc-gamma )
122 ( "BETA" calc-beta )
123 ( "IBET" calc-inc-beta )
124 ( "ERF" calc-erf )
125 ( "BESJ" calc-bessel-J )
126 ( "BESY" calc-bessel-Y ) )
127 ( ( "IMAG" calc-imaginary )
128 ( "CONJ" calc-conj )
129 ( "RE" calc-re calc-im )
130 ( "ATN2" calc-arctan2 )
131 ( "RAND" calc-random )
132 ( "RAGN" calc-random-again ) )
133 ( ( "GCD" calc-gcd calc-lcm )
134 ( "FACT" calc-factorial calc-gamma )
135 ( "DFCT" calc-double-factorial )
136 ( "BNOM" calc-choose )
137 ( "PERM" calc-perm )
138 ( "NXTP" calc-next-prime calc-prev-prime ) ) ))
139
140 ;;; |----+----+----+----+----+----|
141 ;;; |AND | OR |XOR |NOT |LSH |RSH |
142 ;;; |----+----+----+----+----+----|
143 ;;; |DEC |HEX |OCT |BIN |WSIZ|ARSH|
144 ;;; |----+----+----+----+----+----|
145 ;;; | A | B | C | D | E | F |
146
147 (defvar calc-keypad-binary-menu
148 '( ( ( "AND" calc-and calc-diff )
149 ( "OR" calc-or )
150 ( "XOR" calc-xor )
151 ( "NOT" calc-not calc-clip )
152 ( "LSH" calc-lshift-binary calc-rotate-binary )
153 ( "RSH" calc-rshift-binary ) )
154 ( ( "DEC" calc-decimal-radix )
155 ( "HEX" calc-hex-radix )
156 ( "OCT" calc-octal-radix )
157 ( "BIN" calc-binary-radix )
158 ( "WSIZ" calc-word-size )
159 ( "ARSH" calc-rshift-arith ) )
160 ( ( "A" ("A") )
161 ( "B" ("B") )
162 ( "C" ("C") )
163 ( "D" ("D") )
164 ( "E" ("E") )
165 ( "F" ("F") ) ) ))
166
167 ;;; |----+----+----+----+----+----|
168 ;;; |SUM |PROD|MAX |MAP*|MAP^|MAP$|
169 ;;; |----+----+----+----+----+----|
170 ;;; |INV |DET |TRN |IDNT|CRSS|"x" |
171 ;;; |----+----+----+----+----+----|
172 ;;; |PACK|UNPK|INDX|BLD |LEN |... |
173
174 (defvar calc-keypad-vector-menu
175 '( ( ( "SUM" calc-vector-sum calc-vector-alt-sum calc-vector-mean )
176 ( "PROD" calc-vector-product nil calc-vector-sdev )
177 ( "MAX" calc-vector-max calc-vector-min calc-vector-median )
178 ( "MAP*" (lambda () (interactive)
179 (calc-map '(2 calcFunc-mul "*"))) )
180 ( "MAP^" (lambda () (interactive)
181 (calc-map '(2 calcFunc-pow "^"))) )
182 ( "MAP$" calc-map-stack ) )
183 ( ( "MINV" calc-inv )
184 ( "MDET" calc-mdet )
185 ( "MTRN" calc-transpose calc-conj-transpose )
186 ( "IDNT" (progn calc-num-prefix calc-ident) )
187 ( "CRSS" calc-cross )
188 ( "\"x\"" "\excalc-algebraic-entry\rx\r"
189 "\excalc-algebraic-entry\ry\r"
190 "\excalc-algebraic-entry\rz\r"
191 "\excalc-algebraic-entry\rt\r") )
192 ( ( "PACK" calc-pack )
193 ( "UNPK" calc-unpack )
194 ( "INDX" (progn calc-num-prefix calc-index) "\C-u\excalc-index\r" )
195 ( "BLD" (progn calc-num-prefix calc-build-vector) )
196 ( "LEN" calc-vlength )
197 ( "..." calc-full-vectors ) ) ))
198
199 ;;; |----+----+----+----+----+----|
200 ;;; |FLT |FIX |SCI |ENG |GRP | |
201 ;;; |----+----+----+----+----+----|
202 ;;; |RAD |DEG |FRAC|POLR|SYMB|PREC|
203 ;;; |----+----+----+----+----+----|
204 ;;; |SWAP|RLL3|RLL4|OVER|STO |RCL |
205
206 (defvar calc-keypad-modes-menu
207 '( ( ( "FLT" calc-normal-notation
208 (progn calc-num-prefix calc-normal-notation) )
209 ( "FIX" (progn 2 calc-fix-notation)
210 (progn calc-num-prefix calc-fix-notation) )
211 ( "SCI" calc-sci-notation
212 (progn calc-num-prefix calc-sci-notation) )
213 ( "ENG" calc-eng-notation
214 (progn calc-num-prefix calc-eng-notation) )
215 ( "GRP" calc-group-digits "\C-u-3\excalc-group-digits\r" )
216 ( "" nil ) )
217 ( ( "RAD" calc-radians-mode )
218 ( "DEG" calc-degrees-mode )
219 ( "FRAC" calc-frac-mode )
220 ( "POLR" calc-polar-mode )
221 ( "SYMB" calc-symbolic-mode )
222 ( "PREC" calc-precision ) )
223 ( ( "SWAP" calc-roll-down )
224 ( "RLL3" (progn 3 calc-roll-up) (progn 3 calc-roll-down) )
225 ( "RLL4" (progn 4 calc-roll-up) (progn 4 calc-roll-down) )
226 ( "OVER" calc-over )
227 ( "STO" calc-keypad-store )
228 ( "RCL" calc-keypad-recall ) ) ))
229
230 (define-derived-mode calc-keypad-mode fundamental-mode "Calculator"
231 "Major mode for Calc keypad input."
232 (define-key calc-keypad-mode-map " " 'calc-keypad-press)
233 (define-key calc-keypad-mode-map (kbd "RET") 'calc-keypad-press)
234 (define-key calc-keypad-mode-map (kbd "TAB") 'calc-keypad-menu)
235 (define-key calc-keypad-mode-map "q" 'calc-keypad-off)
236 (define-key calc-keypad-mode-map [down-mouse-1] 'ignore)
237 (define-key calc-keypad-mode-map [drag-mouse-1] 'ignore)
238 (define-key calc-keypad-mode-map [double-mouse-1] 'ignore)
239 (define-key calc-keypad-mode-map [triple-mouse-1] 'ignore)
240 (define-key calc-keypad-mode-map [down-mouse-2] 'ignore)
241 (define-key calc-keypad-mode-map [drag-mouse-2] 'ignore)
242 (define-key calc-keypad-mode-map [double-mouse-2] 'ignore)
243 (define-key calc-keypad-mode-map [triple-mouse-2] 'ignore)
244 (define-key calc-keypad-mode-map [down-mouse-3] 'ignore)
245 (define-key calc-keypad-mode-map [drag-mouse-3] 'ignore)
246 (define-key calc-keypad-mode-map [double-mouse-3] 'ignore)
247 (define-key calc-keypad-mode-map [triple-mouse-3] 'ignore)
248 (define-key calc-keypad-mode-map [mouse-3] 'calc-keypad-right-click)
249 (define-key calc-keypad-mode-map [mouse-2] 'calc-keypad-middle-click)
250 (define-key calc-keypad-mode-map [mouse-1] 'calc-keypad-left-click)
251 (put 'calc-keypad-mode 'mode-class 'special)
252 (make-local-variable 'calc-main-buffer))
253
254 (defun calc-do-keypad (&optional full-display interactive)
255 (calc-create-buffer)
256 (let ((calcbuf (current-buffer)))
257 (unless (bufferp calc-keypad-buffer)
258 (set-buffer (setq calc-keypad-buffer (get-buffer-create "*Calc Keypad*")))
259 (calc-keypad-mode)
260 (setq calc-main-buffer calcbuf)
261 (calc-keypad-redraw)
262 (calc-trail-buffer))
263 (let ((width 29)
264 (height 17)
265 win old-win)
266 (if (setq win (get-buffer-window "*Calculator*"))
267 (delete-window win))
268 (if (setq win (get-buffer-window "*Calc Trail*"))
269 (if (one-window-p)
270 (switch-to-buffer (other-buffer))
271 (delete-window win)))
272 (if (setq win (get-buffer-window calc-keypad-buffer))
273 (progn
274 (bury-buffer "*Calculator*")
275 (bury-buffer "*Calc Trail*")
276 (bury-buffer calc-keypad-buffer)
277 (if (one-window-p)
278 (switch-to-buffer (other-buffer))
279 (delete-window win)))
280 (setq calc-was-keypad-mode t
281 old-win (get-largest-window))
282 (if (or (< (window-height old-win) (+ height 6))
283 (< (window-width old-win) (+ width 15))
284 full-display)
285 (delete-other-windows old-win))
286 (if (< (window-height old-win) (+ height 4))
287 (error "Screen is not tall enough for this mode"))
288 (if full-display
289 (progn
290 (setq win (split-window old-win (- (window-height old-win)
291 height 1)))
292 (set-window-buffer old-win (calc-trail-buffer))
293 (set-window-buffer win calc-keypad-buffer)
294 (set-window-start win 1)
295 (setq win (split-window win (+ width 7) t))
296 (set-window-buffer win calcbuf))
297 (if (or t ; left-side keypad not yet fully implemented
298 (< (with-current-buffer (window-buffer old-win)
299 (current-column))
300 (/ (window-width) 2)))
301 (setq win (split-window old-win (- (window-width old-win)
302 width 2)
303 t))
304 (setq old-win (split-window old-win (+ width 2) t)))
305 (set-window-buffer win calc-keypad-buffer)
306 (set-window-start win 1)
307 (split-window win (- (window-height win) height 1))
308 (set-window-buffer win calcbuf))
309 (select-window old-win)
310 (message "Welcome to GNU Emacs Calc! Use the left and right mouse buttons")
311 (run-hooks 'calc-keypad-start-hook)
312 (and calc-keypad-said-hello interactive
313 (progn
314 (sit-for 2)
315 (message "")))
316 (setq calc-keypad-said-hello t)))
317 (setq calc-keypad-input nil)))
318
319 (defun calc-keypad-off ()
320 (interactive)
321 (if calc-standalone-flag
322 (save-buffers-kill-emacs nil)
323 (calc-keypad)))
324
325 (defun calc-keypad-redraw ()
326 (set-buffer calc-keypad-buffer)
327 (setq buffer-read-only t)
328 (setq calc-keypad-full-layout (append (symbol-value (nth calc-keypad-menu
329 calc-keypad-menus))
330 calc-keypad-layout))
331 (let ((buffer-read-only nil)
332 (row calc-keypad-full-layout)
333 (y 0))
334 (erase-buffer)
335 (insert "\n")
336 (while row
337 (let ((col (car row)))
338 (while col
339 (let* ((key (car col))
340 (cwid (if (>= y 4)
341 5
342 (if (and (= y 3) (eq col (car row)))
343 (progn (setq col (cdr col)) 9)
344 4)))
345 (name (if (and calc-standalone-flag
346 (eq (nth 1 key) 'calc-keypad-off))
347 "EXIT"
348 (if (> (length (car key)) cwid)
349 (substring (car key) 0 cwid)
350 (car key))))
351 (wid (length name)))
352 (insert (make-string (/ (- cwid wid) 2) 32)
353 name
354 (make-string (/ (- cwid wid -1) 2) 32)
355 (if (equal name "MENU")
356 (int-to-string (1+ calc-keypad-menu))
357 "|")))
358 (or (setq col (cdr col))
359 (insert "\n")))
360 (insert (if (>= y 4)
361 "-----+-----+-----+-----+-----"
362 (if (= y 3)
363 "-----+---+-+--+--+-+---++----"
364 "----+----+----+----+----+----"))
365 (if (= y 7) "+\n" "|\n"))
366 (setq y (1+ y)
367 row (cdr row)))))
368 (setq calc-keypad-prev-input t)
369 (calc-keypad-show-input)
370 (goto-char (point-min)))
371
372 (defun calc-keypad-show-input ()
373 (or (equal calc-keypad-input calc-keypad-prev-input)
374 (let ((buffer-read-only nil))
375 (save-excursion
376 (goto-char (point-min))
377 (forward-line 1)
378 (delete-region (point-min) (point))
379 (if calc-keypad-input
380 (insert "Calc: " calc-keypad-input "\n")
381 (insert "----+----+--Calc---+----+----"
382 (int-to-string (1+ calc-keypad-menu))
383 "\n")))))
384 (setq calc-keypad-prev-input calc-keypad-input))
385
386 (defun calc-keypad-press ()
387 (interactive)
388 (unless (eq major-mode 'calc-keypad-mode)
389 (error "Must be in *Calc Keypad* buffer for this command"))
390 (let* ((row (count-lines (point-min) (point-at-bol)))
391 (y (/ row 2))
392 (x (/ (current-column) (if (>= y 4) 6 5)))
393 radix frac inv
394 (hyp (with-current-buffer calc-main-buffer
395 (setq radix calc-number-radix
396 frac calc-prefer-frac
397 inv calc-inverse-flag)
398 calc-hyperbolic-flag))
399 (invhyp t)
400 (input calc-keypad-input)
401 (iexpon (and input
402 (or (string-match "\\*[0-9]+\\.\\^" input)
403 (and (<= radix 14) (string-match "e" input)))
404 (match-end 0)))
405 (key (nth x (nth y calc-keypad-full-layout)))
406 (cmd (or (nth (if inv (if hyp 4 2) (if hyp 3 99)) key)
407 (setq invhyp nil)
408 (nth 1 key)))
409 (isstring (and (consp cmd) (stringp (car cmd))))
410 (calc-is-keypad-press t))
411 (if invhyp (calc-wrapper)) ; clear Inv and Hyp flags
412 (unwind-protect
413 (cond ((or (null cmd)
414 (= (% row 2) 0))
415 (beep))
416 ((and (> (minibuffer-depth) 0))
417 (cond (isstring
418 (push (aref (car cmd) 0) unread-command-events))
419 ((eq cmd 'calc-pop)
420 (push ?\177 unread-command-events))
421 ((eq cmd 'calc-enter)
422 (push 13 unread-command-events))
423 ((eq cmd 'calc-undo)
424 (push 7 unread-command-events))
425 (t
426 (beep))))
427 ((and input (string-match "STO\\|RCL" input))
428 (cond ((and isstring (string-match "[0-9]" (car cmd)))
429 (setq calc-keypad-input nil)
430 (let ((var (intern (concat "var-q" (car cmd)))))
431 (cond ((equal input "STO+") (calc-store-plus var))
432 ((equal input "STO-") (calc-store-minus var))
433 ((equal input "STO*") (calc-store-times var))
434 ((equal input "STO/") (calc-store-div var))
435 ((equal input "STO^") (calc-store-power var))
436 ((equal input "STOn") (calc-store-neg 1 var))
437 ((equal input "STO&") (calc-store-inv 1 var))
438 ((equal input "STO") (calc-store-into var))
439 (t (calc-recall var)))))
440 ((memq cmd '(calc-pop calc-undo))
441 (setq calc-keypad-input nil))
442 ((and (equal input "STO")
443 (setq frac (assq cmd '( ( calc-plus . "+" )
444 ( calc-minus . "-" )
445 ( calc-times . "*" )
446 ( calc-divide . "/" )
447 ( calc-power . "^")
448 ( calc-change-sign . "n")
449 ( calc-inv . "&") ))))
450 (setq calc-keypad-input (concat input (cdr frac))))
451 (t
452 (beep))))
453 (isstring
454 (setq cmd (car cmd))
455 (if (or (and (equal cmd ".")
456 input
457 (string-match "[.:e^]" input))
458 (and (equal cmd "e")
459 input
460 (or (and (<= radix 14) (string-match "e" input))
461 (string-match "\\^\\|[-.:]\\'" input)))
462 (and (not (equal cmd "."))
463 (let ((case-fold-search nil))
464 (string-match cmd "0123456789ABCDEF"
465 (if (string-match
466 "[e^]" (or input ""))
467 10 radix)))))
468 (beep)
469 (setq calc-keypad-input (concat
470 (and (/= radix 10)
471 (or (not input)
472 (equal input "-"))
473 (format "%d#" radix))
474 (and (or (not input)
475 (equal input "-"))
476 (or (and (equal cmd "e") "1")
477 (and (equal cmd ".")
478 (if frac "1" "0"))))
479 input
480 (if (and (equal cmd ".") frac)
481 ":"
482 (if (and (equal cmd "e")
483 (or (not input)
484 (string-match
485 "#" input))
486 (> radix 14))
487 (format "*%d.^" radix)
488 cmd))))))
489 ((and (eq cmd 'calc-change-sign)
490 input)
491 (let* ((epos (or iexpon 0))
492 (suffix (substring input epos)))
493 (setq calc-keypad-input (concat
494 (substring input 0 epos)
495 (if (string-match "\\`-" suffix)
496 (substring suffix 1)
497 (concat "-" suffix))))))
498 ((and (eq cmd 'calc-pop)
499 input)
500 (if (equal input "")
501 (beep)
502 (setq calc-keypad-input (substring input 0
503 (or (string-match
504 "\\*[0-9]+\\.\\^\\'"
505 input)
506 -1)))))
507 ((and (eq cmd 'calc-undo)
508 input)
509 (setq calc-keypad-input nil))
510 (t
511 (if input
512 (let ((val (math-read-number input)))
513 (setq calc-keypad-input nil)
514 (if val
515 (calc-wrapper
516 (calc-push-list (list (calc-record
517 (calc-normalize val)))))
518 (or (equal input "")
519 (beep))
520 (setq cmd nil))
521 (if (eq cmd 'calc-enter) (setq cmd nil))))
522 (setq prefix-arg current-prefix-arg)
523 (if cmd
524 (if (and (consp cmd) (eq (car cmd) 'progn))
525 (while (setq cmd (cdr cmd))
526 (if (integerp (car cmd))
527 (setq prefix-arg (car cmd))
528 (command-execute (car cmd))))
529 (command-execute cmd)))))
530 (set-buffer calc-keypad-buffer)
531 (calc-keypad-show-input))))
532
533 (defun calc-keypad-left-click (event)
534 "Handle a left-button mouse click in Calc Keypad window."
535 ;; FIXME: Why not use "@e" instead to select the buffer?
536 (interactive "e")
537 (with-current-buffer calc-keypad-buffer
538 (goto-char (posn-point (event-start event)))
539 (calc-keypad-press)))
540
541 (defun calc-keypad-right-click (_event)
542 "Handle a right-button mouse click in Calc Keypad window."
543 ;; FIXME: Why not use "@e" instead to select the buffer?
544 (interactive "e")
545 (with-current-buffer calc-keypad-buffer
546 (calc-keypad-menu)))
547
548 (defun calc-keypad-middle-click (_event)
549 "Handle a middle-button mouse click in Calc Keypad window."
550 ;; FIXME: Why not use "@e" instead to select the buffer?
551 (interactive "e")
552 (with-current-buffer calc-keypad-buffer
553 (calc-keypad-menu-back)))
554
555 (defun calc-keypad-menu ()
556 (interactive)
557 (unless (eq major-mode 'calc-keypad-mode)
558 (error "Must be in *Calc Keypad* buffer for this command"))
559 (while (progn (setq calc-keypad-menu (% (1+ calc-keypad-menu)
560 (length calc-keypad-menus)))
561 (not (symbol-value (nth calc-keypad-menu calc-keypad-menus)))))
562 (calc-keypad-redraw))
563
564 (defun calc-keypad-menu-back ()
565 (interactive)
566 (or (eq major-mode 'calc-keypad-mode)
567 (error "Must be in *Calc Keypad* buffer for this command"))
568 (while (progn (setq calc-keypad-menu (% (1- (+ calc-keypad-menu
569 (length calc-keypad-menus)))
570 (length calc-keypad-menus)))
571 (not (symbol-value (nth calc-keypad-menu calc-keypad-menus)))))
572 (calc-keypad-redraw))
573
574 (defun calc-keypad-store ()
575 (interactive)
576 (setq calc-keypad-input "STO"))
577
578 (defun calc-keypad-recall ()
579 (interactive)
580 (setq calc-keypad-input "RCL"))
581
582 (defun calc-pack-interval (mode)
583 (interactive "p")
584 (if (or (< mode 0) (> mode 3))
585 (error "Open/close code should be in the range from 0 to 3"))
586 (calc-pack (- -6 mode)))
587
588 (defun calc-keypad-execute ()
589 (interactive)
590 (let* ((prompt "Calc keystrokes: ")
591 (prefix nil)
592 keys cmd)
593 (save-excursion
594 (calc-select-buffer)
595 (while (progn
596 (setq keys (read-key-sequence prompt))
597 (setq cmd (key-binding keys))
598 (if (or (memq cmd '(calc-inverse
599 calc-hyperbolic
600 universal-argument
601 digit-argument
602 negative-argument))
603 (and prefix (string-match "\\`\e?[-0-9]\\'" keys)))
604 (progn
605 (setq last-command-event (aref keys (1- (length keys))))
606 (command-execute cmd)
607 (setq prefix t
608 prompt (concat prompt (key-description keys) " ")))
609 nil)))) ; skip mouse-up event
610 (message "")
611 (if (commandp cmd)
612 (command-execute cmd)
613 (error "Not a Calc command: %s" (key-description keys)))))
614
615 (provide 'calc-keypd)
616
617 ;;; calc-keypd.el ends here