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Add some font-locking for Python 2.7.
[emacs.git] / lisp / calc / calc-keypd.el
blobe4dc5f5a88b41a78f2f3127e9db99952247907b0
1 ;;; calc-keypd.el --- mouse-capable keypad input for Calc
2
3 ;; Copyright (C) 1990, 1991, 1992, 1993, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
5
6 ;; Author: David Gillespie <daveg@synaptics.com>
7 ;; Maintainer: Jay Belanger <jay.p.belanger@gmail.com>
8
9 ;; This file is part of GNU Emacs.
10
11 ;; GNU Emacs is free software: you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation, either version 3 of the License, or
14 ;; (at your option) any later version.
15
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
20
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
23
24 ;;; Commentary:
25
26 ;;; Code:
27
28 ;; This file is autoloaded from calc-ext.el.
29
30 (require 'calc-ext)
31 (require 'calc-macs)
32
33 (defvar calc-keypad-buffer nil)
34 (defvar calc-keypad-menu 0)
35 (defvar calc-keypad-full-layout nil)
36 (defvar calc-keypad-input nil)
37 (defvar calc-keypad-prev-input nil)
38 (defvar calc-keypad-said-hello nil)
39
40 ;;; |----+----+----+----+----+----|
41 ;;; | ENTER |+/- |EEX |UNDO| <- |
42 ;;; |-----+---+-+--+--+-+---++----|
43 ;;; | INV | 7 | 8 | 9 | / |
44 ;;; |-----+-----+-----+-----+-----|
45 ;;; | HYP | 4 | 5 | 6 | * |
46 ;;; |-----+-----+-----+-----+-----|
47 ;;; |EXEC | 1 | 2 | 3 | - |
48 ;;; |-----+-----+-----+-----+-----|
49 ;;; | OFF | 0 | . | PI | + |
50 ;;; |-----+-----+-----+-----+-----|
51 (defvar calc-keypad-layout
52 '( ( ( "ENTER" calc-enter calc-roll-down calc-roll-up calc-over )
53 ( "ENTER" calc-enter calc-roll-down calc-roll-up calc-over )
54 ( "+/-" calc-change-sign calc-inv (progn -4 calc-pack) )
55 ( "EEX" ("e") (progn calc-num-prefix calc-pack-interval)
56 (progn -5 calc-pack) )
57 ( "UNDO" calc-undo calc-redo calc-last-args )
58 ( "<-" calc-pop (progn 0 calc-pop)
59 (progn calc-num-prefix calc-pop) ) )
60 ( ( "INV" calc-inverse )
61 ( "7" ("7") calc-round )
62 ( "8" ("8") (progn 2 calc-clean-num) )
63 ( "9" ("9") calc-float )
64 ( "/" calc-divide (progn calc-inverse calc-power) ) )
65 ( ( "HYP" calc-hyperbolic )
66 ( "4" ("4") calc-ln calc-log10 )
67 ( "5" ("5") calc-exp calc-exp10 )
68 ( "6" ("6") calc-abs )
69 ( "*" calc-times calc-power ) )
70 ( ( "EXEC" calc-keypad-execute )
71 ( "1" ("1") calc-arcsin calc-sin )
72 ( "2" ("2") calc-arccos calc-cos )
73 ( "3" ("3") calc-arctan calc-tan )
74 ( "-" calc-minus calc-conj ) )
75 ( ( "OFF" calc-keypad-off )
76 ( "0" ("0") calc-imaginary )
77 ( "." (".") calc-precision )
78 ( "PI" calc-pi )
79 ( "+" calc-plus calc-sqrt ) ) ))
80
81 (defvar calc-keypad-menus '( calc-keypad-math-menu
82 calc-keypad-funcs-menu
83 calc-keypad-binary-menu
84 calc-keypad-vector-menu
85 calc-keypad-modes-menu
86 calc-keypad-user-menu ) )
87
88 ;;; |----+----+----+----+----+----|
89 ;;; |FLR |CEIL|RND |TRNC|CLN2|FLT |
90 ;;; |----+----+----+----+----+----|
91 ;;; | LN |EXP | |ABS |IDIV|MOD |
92 ;;; |----+----+----+----+----+----|
93 ;;; |SIN |COS |TAN |SQRT|y^x |1/x |
94
95 (defvar calc-keypad-math-menu
96 '( ( ( "FLR" calc-floor )
97 ( "CEIL" calc-ceiling )
98 ( "RND" calc-round )
99 ( "TRNC" calc-trunc )
100 ( "CLN2" (progn 2 calc-clean-num) )
101 ( "FLT" calc-float ) )
102 ( ( "LN" calc-ln )
103 ( "EXP" calc-exp )
104 ( "" nil )
105 ( "ABS" calc-abs )
106 ( "IDIV" calc-idiv )
107 ( "MOD" calc-mod ) )
108 ( ( "SIN" calc-sin )
109 ( "COS" calc-cos )
110 ( "TAN" calc-tan )
111 ( "SQRT" calc-sqrt )
112 ( "y^x" calc-power )
113 ( "1/x" calc-inv ) ) ))
114
115 ;;; |----+----+----+----+----+----|
116 ;;; |IGAM|BETA|IBET|ERF |BESJ|BESY|
117 ;;; |----+----+----+----+----+----|
118 ;;; |IMAG|CONJ| RE |ATN2|RAND|RAGN|
119 ;;; |----+----+----+----+----+----|
120 ;;; |GCD |FACT|DFCT|BNOM|PERM|NXTP|
121
122 (defvar calc-keypad-funcs-menu
123 '( ( ( "IGAM" calc-inc-gamma )
124 ( "BETA" calc-beta )
125 ( "IBET" calc-inc-beta )
126 ( "ERF" calc-erf )
127 ( "BESJ" calc-bessel-J )
128 ( "BESY" calc-bessel-Y ) )
129 ( ( "IMAG" calc-imaginary )
130 ( "CONJ" calc-conj )
131 ( "RE" calc-re calc-im )
132 ( "ATN2" calc-arctan2 )
133 ( "RAND" calc-random )
134 ( "RAGN" calc-random-again ) )
135 ( ( "GCD" calc-gcd calc-lcm )
136 ( "FACT" calc-factorial calc-gamma )
137 ( "DFCT" calc-double-factorial )
138 ( "BNOM" calc-choose )
139 ( "PERM" calc-perm )
140 ( "NXTP" calc-next-prime calc-prev-prime ) ) ))
141
142 ;;; |----+----+----+----+----+----|
143 ;;; |AND | OR |XOR |NOT |LSH |RSH |
144 ;;; |----+----+----+----+----+----|
145 ;;; |DEC |HEX |OCT |BIN |WSIZ|ARSH|
146 ;;; |----+----+----+----+----+----|
147 ;;; | A | B | C | D | E | F |
148
149 (defvar calc-keypad-binary-menu
150 '( ( ( "AND" calc-and calc-diff )
151 ( "OR" calc-or )
152 ( "XOR" calc-xor )
153 ( "NOT" calc-not calc-clip )
154 ( "LSH" calc-lshift-binary calc-rotate-binary )
155 ( "RSH" calc-rshift-binary ) )
156 ( ( "DEC" calc-decimal-radix )
157 ( "HEX" calc-hex-radix )
158 ( "OCT" calc-octal-radix )
159 ( "BIN" calc-binary-radix )
160 ( "WSIZ" calc-word-size )
161 ( "ARSH" calc-rshift-arith ) )
162 ( ( "A" ("A") )
163 ( "B" ("B") )
164 ( "C" ("C") )
165 ( "D" ("D") )
166 ( "E" ("E") )
167 ( "F" ("F") ) ) ))
168
169 ;;; |----+----+----+----+----+----|
170 ;;; |SUM |PROD|MAX |MAP*|MAP^|MAP$|
171 ;;; |----+----+----+----+----+----|
172 ;;; |INV |DET |TRN |IDNT|CRSS|"x" |
173 ;;; |----+----+----+----+----+----|
174 ;;; |PACK|UNPK|INDX|BLD |LEN |... |
175
176 (defvar calc-keypad-vector-menu
177 '( ( ( "SUM" calc-vector-sum calc-vector-alt-sum calc-vector-mean )
178 ( "PROD" calc-vector-product nil calc-vector-sdev )
179 ( "MAX" calc-vector-max calc-vector-min calc-vector-median )
180 ( "MAP*" (lambda () (interactive)
181 (calc-map '(2 calcFunc-mul "*"))) )
182 ( "MAP^" (lambda () (interactive)
183 (calc-map '(2 calcFunc-pow "^"))) )
184 ( "MAP$" calc-map-stack ) )
185 ( ( "MINV" calc-inv )
186 ( "MDET" calc-mdet )
187 ( "MTRN" calc-transpose calc-conj-transpose )
188 ( "IDNT" (progn calc-num-prefix calc-ident) )
189 ( "CRSS" calc-cross )
190 ( "\"x\"" "\excalc-algebraic-entry\rx\r"
191 "\excalc-algebraic-entry\ry\r"
192 "\excalc-algebraic-entry\rz\r"
193 "\excalc-algebraic-entry\rt\r") )
194 ( ( "PACK" calc-pack )
195 ( "UNPK" calc-unpack )
196 ( "INDX" (progn calc-num-prefix calc-index) "\C-u\excalc-index\r" )
197 ( "BLD" (progn calc-num-prefix calc-build-vector) )
198 ( "LEN" calc-vlength )
199 ( "..." calc-full-vectors ) ) ))
200
201 ;;; |----+----+----+----+----+----|
202 ;;; |FLT |FIX |SCI |ENG |GRP | |
203 ;;; |----+----+----+----+----+----|
204 ;;; |RAD |DEG |FRAC|POLR|SYMB|PREC|
205 ;;; |----+----+----+----+----+----|
206 ;;; |SWAP|RLL3|RLL4|OVER|STO |RCL |
207
208 (defvar calc-keypad-modes-menu
209 '( ( ( "FLT" calc-normal-notation
210 (progn calc-num-prefix calc-normal-notation) )
211 ( "FIX" (progn 2 calc-fix-notation)
212 (progn calc-num-prefix calc-fix-notation) )
213 ( "SCI" calc-sci-notation
214 (progn calc-num-prefix calc-sci-notation) )
215 ( "ENG" calc-eng-notation
216 (progn calc-num-prefix calc-eng-notation) )
217 ( "GRP" calc-group-digits "\C-u-3\excalc-group-digits\r" )
218 ( "" nil ) )
219 ( ( "RAD" calc-radians-mode )
220 ( "DEG" calc-degrees-mode )
221 ( "FRAC" calc-frac-mode )
222 ( "POLR" calc-polar-mode )
223 ( "SYMB" calc-symbolic-mode )
224 ( "PREC" calc-precision ) )
225 ( ( "SWAP" calc-roll-down )
226 ( "RLL3" (progn 3 calc-roll-up) (progn 3 calc-roll-down) )
227 ( "RLL4" (progn 4 calc-roll-up) (progn 4 calc-roll-down) )
228 ( "OVER" calc-over )
229 ( "STO" calc-keypad-store )
230 ( "RCL" calc-keypad-recall ) ) ))
231
232 (define-derived-mode calc-keypad-mode fundamental-mode "Calculator"
233 "Major mode for Calc keypad input."
234 (define-key calc-keypad-mode-map " " 'calc-keypad-press)
235 (define-key calc-keypad-mode-map (kbd "RET") 'calc-keypad-press)
236 (define-key calc-keypad-mode-map (kbd "TAB") 'calc-keypad-menu)
237 (define-key calc-keypad-mode-map "q" 'calc-keypad-off)
238 (define-key calc-keypad-mode-map [down-mouse-1] 'ignore)
239 (define-key calc-keypad-mode-map [drag-mouse-1] 'ignore)
240 (define-key calc-keypad-mode-map [double-mouse-1] 'ignore)
241 (define-key calc-keypad-mode-map [triple-mouse-1] 'ignore)
242 (define-key calc-keypad-mode-map [down-mouse-2] 'ignore)
243 (define-key calc-keypad-mode-map [drag-mouse-2] 'ignore)
244 (define-key calc-keypad-mode-map [double-mouse-2] 'ignore)
245 (define-key calc-keypad-mode-map [triple-mouse-2] 'ignore)
246 (define-key calc-keypad-mode-map [down-mouse-3] 'ignore)
247 (define-key calc-keypad-mode-map [drag-mouse-3] 'ignore)
248 (define-key calc-keypad-mode-map [double-mouse-3] 'ignore)
249 (define-key calc-keypad-mode-map [triple-mouse-3] 'ignore)
250 (define-key calc-keypad-mode-map [mouse-3] 'calc-keypad-right-click)
251 (define-key calc-keypad-mode-map [mouse-2] 'calc-keypad-middle-click)
252 (define-key calc-keypad-mode-map [mouse-1] 'calc-keypad-left-click)
253 (put 'calc-keypad-mode 'mode-class 'special)
254 (make-local-variable 'calc-main-buffer))
255
256 (defun calc-do-keypad (&optional full-display interactive)
257 (calc-create-buffer)
258 (let ((calcbuf (current-buffer)))
259 (unless (bufferp calc-keypad-buffer)
260 (set-buffer (setq calc-keypad-buffer (get-buffer-create "*Calc Keypad*")))
261 (calc-keypad-mode)
262 (setq calc-main-buffer calcbuf)
263 (calc-keypad-redraw)
264 (calc-trail-buffer))
265 (let ((width 29)
266 (height 17)
267 win old-win)
268 (if (setq win (get-buffer-window "*Calculator*"))
269 (delete-window win))
270 (if (setq win (get-buffer-window "*Calc Trail*"))
271 (if (one-window-p)
272 (switch-to-buffer (other-buffer))
273 (delete-window win)))
274 (if (setq win (get-buffer-window calc-keypad-buffer))
275 (progn
276 (bury-buffer "*Calculator*")
277 (bury-buffer "*Calc Trail*")
278 (bury-buffer calc-keypad-buffer)
279 (if (one-window-p)
280 (switch-to-buffer (other-buffer))
281 (delete-window win)))
282 (setq calc-was-keypad-mode t
283 old-win (get-largest-window))
284 (if (or (< (window-height old-win) (+ height 6))
285 (< (window-width old-win) (+ width 15))
286 full-display)
287 (delete-other-windows old-win))
288 (if (< (window-height old-win) (+ height 4))
289 (error "Screen is not tall enough for this mode"))
290 (if full-display
291 (progn
292 (setq win (split-window old-win (- (window-height old-win)
293 height 1)))
294 (set-window-buffer old-win (calc-trail-buffer))
295 (set-window-buffer win calc-keypad-buffer)
296 (set-window-start win 1)
297 (setq win (split-window win (+ width 7) t))
298 (set-window-buffer win calcbuf))
299 (if (or t ; left-side keypad not yet fully implemented
300 (< (with-current-buffer (window-buffer old-win)
301 (current-column))
302 (/ (window-width) 2)))
303 (setq win (split-window old-win (- (window-width old-win)
304 width 2)
305 t))
306 (setq old-win (split-window old-win (+ width 2) t)))
307 (set-window-buffer win calc-keypad-buffer)
308 (set-window-start win 1)
309 (split-window win (- (window-height win) height 1))
310 (set-window-buffer win calcbuf))
311 (select-window old-win)
312 (message "Welcome to GNU Emacs Calc! Use the left and right mouse buttons")
313 (run-hooks 'calc-keypad-start-hook)
314 (and calc-keypad-said-hello interactive
315 (progn
316 (sit-for 2)
317 (message "")))
318 (setq calc-keypad-said-hello t)))
319 (setq calc-keypad-input nil)))
320
321 (defun calc-keypad-off ()
322 (interactive)
323 (if calc-standalone-flag
324 (save-buffers-kill-emacs nil)
325 (calc-keypad)))
326
327 (defun calc-keypad-redraw ()
328 (set-buffer calc-keypad-buffer)
329 (setq buffer-read-only t)
330 (setq calc-keypad-full-layout (append (symbol-value (nth calc-keypad-menu
331 calc-keypad-menus))
332 calc-keypad-layout))
333 (let ((buffer-read-only nil)
334 (row calc-keypad-full-layout)
335 (y 0))
336 (erase-buffer)
337 (insert "\n")
338 (while row
339 (let ((col (car row)))
340 (while col
341 (let* ((key (car col))
342 (cwid (if (>= y 4)
343 5
344 (if (and (= y 3) (eq col (car row)))
345 (progn (setq col (cdr col)) 9)
346 4)))
347 (name (if (and calc-standalone-flag
348 (eq (nth 1 key) 'calc-keypad-off))
349 "EXIT"
350 (if (> (length (car key)) cwid)
351 (substring (car key) 0 cwid)
352 (car key))))
353 (wid (length name))
354 (pad (- cwid (/ wid 2))))
355 (insert (make-string (/ (- cwid wid) 2) 32)
356 name
357 (make-string (/ (- cwid wid -1) 2) 32)
358 (if (equal name "MENU")
359 (int-to-string (1+ calc-keypad-menu))
360 "|")))
361 (or (setq col (cdr col))
362 (insert "\n")))
363 (insert (if (>= y 4)
364 "-----+-----+-----+-----+-----"
365 (if (= y 3)
366 "-----+---+-+--+--+-+---++----"
367 "----+----+----+----+----+----"))
368 (if (= y 7) "+\n" "|\n"))
369 (setq y (1+ y)
370 row (cdr row)))))
371 (setq calc-keypad-prev-input t)
372 (calc-keypad-show-input)
373 (goto-char (point-min)))
374
375 (defun calc-keypad-show-input ()
376 (or (equal calc-keypad-input calc-keypad-prev-input)
377 (let ((buffer-read-only nil))
378 (save-excursion
379 (goto-char (point-min))
380 (forward-line 1)
381 (delete-region (point-min) (point))
382 (if calc-keypad-input
383 (insert "Calc: " calc-keypad-input "\n")
384 (insert "----+----+--Calc---+----+----"
385 (int-to-string (1+ calc-keypad-menu))
386 "\n")))))
387 (setq calc-keypad-prev-input calc-keypad-input))
388
389 (defun calc-keypad-press ()
390 (interactive)
391 (unless (eq major-mode 'calc-keypad-mode)
392 (error "Must be in *Calc Keypad* buffer for this command"))
393 (let* ((row (save-excursion
394 (beginning-of-line)
395 (count-lines (point-min) (point))))
396 (y (/ row 2))
397 (x (/ (current-column) (if (>= y 4) 6 5)))
398 radix frac inv
399 (hyp (with-current-buffer calc-main-buffer
400 (setq radix calc-number-radix
401 frac calc-prefer-frac
402 inv calc-inverse-flag)
403 calc-hyperbolic-flag))
404 (invhyp t)
405 (menu (symbol-value (nth calc-keypad-menu calc-keypad-menus)))
406 (input calc-keypad-input)
407 (iexpon (and input
408 (or (string-match "\\*[0-9]+\\.\\^" input)
409 (and (<= radix 14) (string-match "e" input)))
410 (match-end 0)))
411 (key (nth x (nth y calc-keypad-full-layout)))
412 (cmd (or (nth (if inv (if hyp 4 2) (if hyp 3 99)) key)
413 (setq invhyp nil)
414 (nth 1 key)))
415 (isstring (and (consp cmd) (stringp (car cmd))))
416 (calc-is-keypad-press t))
417 (if invhyp (calc-wrapper)) ; clear Inv and Hyp flags
418 (unwind-protect
419 (cond ((or (null cmd)
420 (= (% row 2) 0))
421 (beep))
422 ((and (> (minibuffer-depth) 0))
423 (cond (isstring
424 (push (aref (car cmd) 0) unread-command-events))
425 ((eq cmd 'calc-pop)
426 (push ?\177 unread-command-events))
427 ((eq cmd 'calc-enter)
428 (push 13 unread-command-events))
429 ((eq cmd 'calc-undo)
430 (push 7 unread-command-events))
431 (t
432 (beep))))
433 ((and input (string-match "STO\\|RCL" input))
434 (cond ((and isstring (string-match "[0-9]" (car cmd)))
435 (setq calc-keypad-input nil)
436 (let ((var (intern (concat "var-q" (car cmd)))))
437 (cond ((equal input "STO+") (calc-store-plus var))
438 ((equal input "STO-") (calc-store-minus var))
439 ((equal input "STO*") (calc-store-times var))
440 ((equal input "STO/") (calc-store-div var))
441 ((equal input "STO^") (calc-store-power var))
442 ((equal input "STOn") (calc-store-neg 1 var))
443 ((equal input "STO&") (calc-store-inv 1 var))
444 ((equal input "STO") (calc-store-into var))
445 (t (calc-recall var)))))
446 ((memq cmd '(calc-pop calc-undo))
447 (setq calc-keypad-input nil))
448 ((and (equal input "STO")
449 (setq frac (assq cmd '( ( calc-plus . "+" )
450 ( calc-minus . "-" )
451 ( calc-times . "*" )
452 ( calc-divide . "/" )
453 ( calc-power . "^")
454 ( calc-change-sign . "n")
455 ( calc-inv . "&") ))))
456 (setq calc-keypad-input (concat input (cdr frac))))
457 (t
458 (beep))))
459 (isstring
460 (setq cmd (car cmd))
461 (if (or (and (equal cmd ".")
462 input
463 (string-match "[.:e^]" input))
464 (and (equal cmd "e")
465 input
466 (or (and (<= radix 14) (string-match "e" input))
467 (string-match "\\^\\|[-.:]\\'" input)))
468 (and (not (equal cmd "."))
469 (let ((case-fold-search nil))
470 (string-match cmd "0123456789ABCDEF"
471 (if (string-match
472 "[e^]" (or input ""))
473 10 radix)))))
474 (beep)
475 (setq calc-keypad-input (concat
476 (and (/= radix 10)
477 (or (not input)
478 (equal input "-"))
479 (format "%d#" radix))
480 (and (or (not input)
481 (equal input "-"))
482 (or (and (equal cmd "e") "1")
483 (and (equal cmd ".")
484 (if frac "1" "0"))))
485 input
486 (if (and (equal cmd ".") frac)
487 ":"
488 (if (and (equal cmd "e")
489 (or (not input)
490 (string-match
491 "#" input))
492 (> radix 14))
493 (format "*%d.^" radix)
494 cmd))))))
495 ((and (eq cmd 'calc-change-sign)
496 input)
497 (let* ((epos (or iexpon 0))
498 (suffix (substring input epos)))
499 (setq calc-keypad-input (concat
500 (substring input 0 epos)
501 (if (string-match "\\`-" suffix)
502 (substring suffix 1)
503 (concat "-" suffix))))))
504 ((and (eq cmd 'calc-pop)
505 input)
506 (if (equal input "")
507 (beep)
508 (setq calc-keypad-input (substring input 0
509 (or (string-match
510 "\\*[0-9]+\\.\\^\\'"
511 input)
512 -1)))))
513 ((and (eq cmd 'calc-undo)
514 input)
515 (setq calc-keypad-input nil))
516 (t
517 (if input
518 (let ((val (math-read-number input)))
519 (setq calc-keypad-input nil)
520 (if val
521 (calc-wrapper
522 (calc-push-list (list (calc-record
523 (calc-normalize val)))))
524 (or (equal input "")
525 (beep))
526 (setq cmd nil))
527 (if (eq cmd 'calc-enter) (setq cmd nil))))
528 (setq prefix-arg current-prefix-arg)
529 (if cmd
530 (if (and (consp cmd) (eq (car cmd) 'progn))
531 (while (setq cmd (cdr cmd))
532 (if (integerp (car cmd))
533 (setq prefix-arg (car cmd))
534 (command-execute (car cmd))))
535 (command-execute cmd)))))
536 (set-buffer calc-keypad-buffer)
537 (calc-keypad-show-input))))
538
539 (defun calc-keypad-left-click (event)
540 "Handle a left-button mouse click in Calc Keypad window."
541 (interactive "e")
542 (with-current-buffer calc-keypad-buffer
543 (goto-char (posn-point (event-start event)))
544 (calc-keypad-press)))
545
546 (defun calc-keypad-right-click (event)
547 "Handle a right-button mouse click in Calc Keypad window."
548 (interactive "e")
549 (with-current-buffer calc-keypad-buffer
550 (calc-keypad-menu)))
551
552 (defun calc-keypad-middle-click (event)
553 "Handle a middle-button mouse click in Calc Keypad window."
554 (interactive "e")
555 (with-current-buffer calc-keypad-buffer
556 (calc-keypad-menu-back)))
557
558 (defun calc-keypad-menu ()
559 (interactive)
560 (unless (eq major-mode 'calc-keypad-mode)
561 (error "Must be in *Calc Keypad* buffer for this command"))
562 (while (progn (setq calc-keypad-menu (% (1+ calc-keypad-menu)
563 (length calc-keypad-menus)))
564 (not (symbol-value (nth calc-keypad-menu calc-keypad-menus)))))
565 (calc-keypad-redraw))
566
567 (defun calc-keypad-menu-back ()
568 (interactive)
569 (or (eq major-mode 'calc-keypad-mode)
570 (error "Must be in *Calc Keypad* buffer for this command"))
571 (while (progn (setq calc-keypad-menu (% (1- (+ calc-keypad-menu
572 (length calc-keypad-menus)))
573 (length calc-keypad-menus)))
574 (not (symbol-value (nth calc-keypad-menu calc-keypad-menus)))))
575 (calc-keypad-redraw))
576
577 (defun calc-keypad-store ()
578 (interactive)
579 (setq calc-keypad-input "STO"))
580
581 (defun calc-keypad-recall ()
582 (interactive)
583 (setq calc-keypad-input "RCL"))
584
585 (defun calc-pack-interval (mode)
586 (interactive "p")
587 (if (or (< mode 0) (> mode 3))
588 (error "Open/close code should be in the range from 0 to 3"))
589 (calc-pack (- -6 mode)))
590
591 (defun calc-keypad-execute ()
592 (interactive)
593 (let* ((prompt "Calc keystrokes: ")
594 (flush 'x-flush-mouse-queue)
595 (prefix nil)
596 keys cmd)
597 (save-excursion
598 (calc-select-buffer)
599 (while (progn
600 (setq keys (read-key-sequence prompt))
601 (setq cmd (key-binding keys))
602 (if (or (memq cmd '(calc-inverse
603 calc-hyperbolic
604 universal-argument
605 digit-argument
606 negative-argument))
607 (and prefix (string-match "\\`\e?[-0-9]\\'" keys)))
608 (progn
609 (setq last-command-event (aref keys (1- (length keys))))
610 (command-execute cmd)
611 (setq flush 'not-any-more
612 prefix t
613 prompt (concat prompt (key-description keys) " ")))
614 (eq cmd flush))))) ; skip mouse-up event
615 (message "")
616 (if (commandp cmd)
617 (command-execute cmd)
618 (error "Not a Calc command: %s" (key-description keys)))))
619
620 (provide 'calc-keypd)
621
622 ;; arch-tag: 4ba0d360-2bb6-40b8-adfa-eb373765b3f9
623 ;;; calc-keypd.el ends here
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