1 ;;; calc-keypd.el --- mouse-capable keypad input for Calc
3 ;; Copyright (C) 1990, 1991, 1992, 1993, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006, 2007 Free Software Foundation, Inc.
6 ;; Author: David Gillespie <daveg@synaptics.com>
7 ;; Maintainer: Jay Belanger <jay.p.belanger@gmail.com>
9 ;; This file is part of GNU Emacs.
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, or (at your option)
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.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
30 ;; This file is autoloaded from calc-ext.el.
35 (defvar calc-keypad-buffer nil)
36 (defvar calc-keypad-menu 0)
37 (defvar calc-keypad-full-layout nil)
38 (defvar calc-keypad-input nil)
39 (defvar calc-keypad-prev-input nil)
40 (defvar calc-keypad-said-hello nil)
42 ;;; |----+----+----+----+----+----|
43 ;;; | ENTER |+/- |EEX |UNDO| <- |
44 ;;; |-----+---+-+--+--+-+---++----|
45 ;;; | INV | 7 | 8 | 9 | / |
46 ;;; |-----+-----+-----+-----+-----|
47 ;;; | HYP | 4 | 5 | 6 | * |
48 ;;; |-----+-----+-----+-----+-----|
49 ;;; |EXEC | 1 | 2 | 3 | - |
50 ;;; |-----+-----+-----+-----+-----|
51 ;;; | OFF | 0 | . | PI | + |
52 ;;; |-----+-----+-----+-----+-----|
53 (defvar calc-keypad-layout
54 '( ( ( "ENTER" calc-enter calc-roll-down calc-roll-up calc-over )
55 ( "ENTER" calc-enter calc-roll-down calc-roll-up calc-over )
56 ( "+/-" calc-change-sign calc-inv (progn -4 calc-pack) )
57 ( "EEX" ("e") (progn calc-num-prefix calc-pack-interval)
58 (progn -5 calc-pack) )
59 ( "UNDO" calc-undo calc-redo calc-last-args )
60 ( "<-" calc-pop (progn 0 calc-pop)
61 (progn calc-num-prefix calc-pop) ) )
62 ( ( "INV" calc-inverse )
63 ( "7" ("7") calc-round )
64 ( "8" ("8") (progn 2 calc-clean-num) )
65 ( "9" ("9") calc-float )
66 ( "/" calc-divide (progn calc-inverse calc-power) ) )
67 ( ( "HYP" calc-hyperbolic )
68 ( "4" ("4") calc-ln calc-log10 )
69 ( "5" ("5") calc-exp calc-exp10 )
70 ( "6" ("6") calc-abs )
71 ( "*" calc-times calc-power ) )
72 ( ( "EXEC" calc-keypad-execute )
73 ( "1" ("1") calc-arcsin calc-sin )
74 ( "2" ("2") calc-arccos calc-cos )
75 ( "3" ("3") calc-arctan calc-tan )
76 ( "-" calc-minus calc-conj ) )
77 ( ( "OFF" calc-keypad-off )
78 ( "0" ("0") calc-imaginary )
79 ( "." (".") calc-precision )
81 ( "+" calc-plus calc-sqrt ) ) ))
83 (defvar calc-keypad-menus '( calc-keypad-math-menu
84 calc-keypad-funcs-menu
85 calc-keypad-binary-menu
86 calc-keypad-vector-menu
87 calc-keypad-modes-menu
88 calc-keypad-user-menu ) )
90 ;;; |----+----+----+----+----+----|
91 ;;; |FLR |CEIL|RND |TRNC|CLN2|FLT |
92 ;;; |----+----+----+----+----+----|
93 ;;; | LN |EXP | |ABS |IDIV|MOD |
94 ;;; |----+----+----+----+----+----|
95 ;;; |SIN |COS |TAN |SQRT|y^x |1/x |
97 (defvar calc-keypad-math-menu
98 '( ( ( "FLR" calc-floor )
99 ( "CEIL" calc-ceiling )
101 ( "TRNC" calc-trunc )
102 ( "CLN2" (progn 2 calc-clean-num) )
103 ( "FLT" calc-float ) )
115 ( "1/x" calc-inv ) ) ))
117 ;;; |----+----+----+----+----+----|
118 ;;; |IGAM|BETA|IBET|ERF |BESJ|BESY|
119 ;;; |----+----+----+----+----+----|
120 ;;; |IMAG|CONJ| RE |ATN2|RAND|RAGN|
121 ;;; |----+----+----+----+----+----|
122 ;;; |GCD |FACT|DFCT|BNOM|PERM|NXTP|
124 (defvar calc-keypad-funcs-menu
125 '( ( ( "IGAM" calc-inc-gamma )
127 ( "IBET" calc-inc-beta )
129 ( "BESJ" calc-bessel-J )
130 ( "BESY" calc-bessel-Y ) )
131 ( ( "IMAG" calc-imaginary )
133 ( "RE" calc-re calc-im )
134 ( "ATN2" calc-arctan2 )
135 ( "RAND" calc-random )
136 ( "RAGN" calc-random-again ) )
137 ( ( "GCD" calc-gcd calc-lcm )
138 ( "FACT" calc-factorial calc-gamma )
139 ( "DFCT" calc-double-factorial )
140 ( "BNOM" calc-choose )
142 ( "NXTP" calc-next-prime calc-prev-prime ) ) ))
144 ;;; |----+----+----+----+----+----|
145 ;;; |AND | OR |XOR |NOT |LSH |RSH |
146 ;;; |----+----+----+----+----+----|
147 ;;; |DEC |HEX |OCT |BIN |WSIZ|ARSH|
148 ;;; |----+----+----+----+----+----|
149 ;;; | A | B | C | D | E | F |
151 (defvar calc-keypad-binary-menu
152 '( ( ( "AND" calc-and calc-diff )
155 ( "NOT" calc-not calc-clip )
156 ( "LSH" calc-lshift-binary calc-rotate-binary )
157 ( "RSH" calc-rshift-binary ) )
158 ( ( "DEC" calc-decimal-radix )
159 ( "HEX" calc-hex-radix )
160 ( "OCT" calc-octal-radix )
161 ( "BIN" calc-binary-radix )
162 ( "WSIZ" calc-word-size )
163 ( "ARSH" calc-rshift-arith ) )
171 ;;; |----+----+----+----+----+----|
172 ;;; |SUM |PROD|MAX |MAP*|MAP^|MAP$|
173 ;;; |----+----+----+----+----+----|
174 ;;; |INV |DET |TRN |IDNT|CRSS|"x" |
175 ;;; |----+----+----+----+----+----|
176 ;;; |PACK|UNPK|INDX|BLD |LEN |... |
178 (defvar calc-keypad-vector-menu
179 '( ( ( "SUM" calc-vector-sum calc-vector-alt-sum calc-vector-mean )
180 ( "PROD" calc-vector-product nil calc-vector-sdev )
181 ( "MAX" calc-vector-max calc-vector-min calc-vector-median )
182 ( "MAP*" (lambda () (interactive)
183 (calc-map '(2 calcFunc-mul "*"))) )
184 ( "MAP^" (lambda () (interactive)
185 (calc-map '(2 calcFunc-pow "^"))) )
186 ( "MAP$" calc-map-stack ) )
187 ( ( "MINV" calc-inv )
189 ( "MTRN" calc-transpose calc-conj-transpose )
190 ( "IDNT" (progn calc-num-prefix calc-ident) )
191 ( "CRSS" calc-cross )
192 ( "\"x\"" "\excalc-algebraic-entry\rx\r"
193 "\excalc-algebraic-entry\ry\r"
194 "\excalc-algebraic-entry\rz\r"
195 "\excalc-algebraic-entry\rt\r") )
196 ( ( "PACK" calc-pack )
197 ( "UNPK" calc-unpack )
198 ( "INDX" (progn calc-num-prefix calc-index) "\C-u\excalc-index\r" )
199 ( "BLD" (progn calc-num-prefix calc-build-vector) )
200 ( "LEN" calc-vlength )
201 ( "..." calc-full-vectors ) ) ))
203 ;;; |----+----+----+----+----+----|
204 ;;; |FLT |FIX |SCI |ENG |GRP | |
205 ;;; |----+----+----+----+----+----|
206 ;;; |RAD |DEG |FRAC|POLR|SYMB|PREC|
207 ;;; |----+----+----+----+----+----|
208 ;;; |SWAP|RLL3|RLL4|OVER|STO |RCL |
210 (defvar calc-keypad-modes-menu
211 '( ( ( "FLT" calc-normal-notation
212 (progn calc-num-prefix calc-normal-notation) )
213 ( "FIX" (progn 2 calc-fix-notation)
214 (progn calc-num-prefix calc-fix-notation) )
215 ( "SCI" calc-sci-notation
216 (progn calc-num-prefix calc-sci-notation) )
217 ( "ENG" calc-eng-notation
218 (progn calc-num-prefix calc-eng-notation) )
219 ( "GRP" calc-group-digits "\C-u-3\excalc-group-digits\r" )
221 ( ( "RAD" calc-radians-mode )
222 ( "DEG" calc-degrees-mode )
223 ( "FRAC" calc-frac-mode )
224 ( "POLR" calc-polar-mode )
225 ( "SYMB" calc-symbolic-mode )
226 ( "PREC" calc-precision ) )
227 ( ( "SWAP" calc-roll-down )
228 ( "RLL3" (progn 3 calc-roll-up) (progn 3 calc-roll-down) )
229 ( "RLL4" (progn 4 calc-roll-up) (progn 4 calc-roll-down) )
231 ( "STO" calc-keypad-store )
232 ( "RCL" calc-keypad-recall ) ) ))
234 (define-derived-mode calc-keypad-mode fundamental-mode "Calculator"
235 "Major mode for Calc keypad input."
236 (define-key calc-keypad-mode-map " " 'calc-keypad-press)
237 (define-key calc-keypad-mode-map (kbd "RET") 'calc-keypad-press)
238 (define-key calc-keypad-mode-map (kbd "TAB") 'calc-keypad-menu)
239 (define-key calc-keypad-mode-map "q" 'calc-keypad-off)
240 (define-key calc-keypad-mode-map [down-mouse-1] 'ignore)
241 (define-key calc-keypad-mode-map [drag-mouse-1] 'ignore)
242 (define-key calc-keypad-mode-map [double-mouse-1] 'ignore)
243 (define-key calc-keypad-mode-map [triple-mouse-1] 'ignore)
244 (define-key calc-keypad-mode-map [down-mouse-2] 'ignore)
245 (define-key calc-keypad-mode-map [drag-mouse-2] 'ignore)
246 (define-key calc-keypad-mode-map [double-mouse-2] 'ignore)
247 (define-key calc-keypad-mode-map [triple-mouse-2] 'ignore)
248 (define-key calc-keypad-mode-map [down-mouse-3] 'ignore)
249 (define-key calc-keypad-mode-map [drag-mouse-3] 'ignore)
250 (define-key calc-keypad-mode-map [double-mouse-3] 'ignore)
251 (define-key calc-keypad-mode-map [triple-mouse-3] 'ignore)
252 (define-key calc-keypad-mode-map [mouse-3] 'calc-keypad-right-click)
253 (define-key calc-keypad-mode-map [mouse-2] 'calc-keypad-middle-click)
254 (define-key calc-keypad-mode-map [mouse-1] 'calc-keypad-left-click)
255 (put 'calc-keypad-mode 'mode-class 'special)
256 (make-local-variable 'calc-main-buffer))
258 (defun calc-do-keypad (&optional full-display interactive)
260 (let ((calcbuf (current-buffer)))
261 (unless (bufferp calc-keypad-buffer)
262 (set-buffer (setq calc-keypad-buffer (get-buffer-create "*Calc Keypad*")))
264 (setq calc-main-buffer calcbuf)
270 (if (setq win (get-buffer-window "*Calculator*"))
272 (if (setq win (get-buffer-window "*Calc Trail*"))
274 (switch-to-buffer (other-buffer))
275 (delete-window win)))
276 (if (setq win (get-buffer-window calc-keypad-buffer))
278 (bury-buffer "*Calculator*")
279 (bury-buffer "*Calc Trail*")
280 (bury-buffer calc-keypad-buffer)
282 (switch-to-buffer (other-buffer))
283 (delete-window win)))
284 (setq calc-was-keypad-mode t
285 old-win (get-largest-window))
286 (if (or (< (window-height old-win) (+ height 6))
287 (< (window-width old-win) (+ width 15))
289 (delete-other-windows old-win))
290 (if (< (window-height old-win) (+ height 4))
291 (error "Screen is not tall enough for this mode"))
294 (setq win (split-window old-win (- (window-height old-win)
296 (set-window-buffer old-win (calc-trail-buffer))
297 (set-window-buffer win calc-keypad-buffer)
298 (set-window-start win 1)
299 (setq win (split-window win (+ width 7) t))
300 (set-window-buffer win calcbuf))
301 (if (or t ; left-side keypad not yet fully implemented
303 (set-buffer (window-buffer old-win))
305 (/ (window-width) 2)))
306 (setq win (split-window old-win (- (window-width old-win)
309 (setq old-win (split-window old-win (+ width 2) t)))
310 (set-window-buffer win calc-keypad-buffer)
311 (set-window-start win 1)
312 (split-window win (- (window-height win) height 1))
313 (set-window-buffer win calcbuf))
314 (select-window old-win)
315 (message "Welcome to GNU Emacs Calc! Use the left and right mouse buttons")
316 (run-hooks 'calc-keypad-start-hook)
317 (and calc-keypad-said-hello interactive
321 (setq calc-keypad-said-hello t)))
322 (setq calc-keypad-input nil)))
324 (defun calc-keypad-off ()
326 (if calc-standalone-flag
327 (save-buffers-kill-emacs nil)
330 (defun calc-keypad-redraw ()
331 (set-buffer calc-keypad-buffer)
332 (setq buffer-read-only t)
333 (setq calc-keypad-full-layout (append (symbol-value (nth calc-keypad-menu
336 (let ((buffer-read-only nil)
337 (row calc-keypad-full-layout)
342 (let ((col (car row)))
344 (let* ((key (car col))
347 (if (and (= y 3) (eq col (car row)))
348 (progn (setq col (cdr col)) 9)
350 (name (if (and calc-standalone-flag
351 (eq (nth 1 key) 'calc-keypad-off))
353 (if (> (length (car key)) cwid)
354 (substring (car key) 0 cwid)
357 (pad (- cwid (/ wid 2))))
358 (insert (make-string (/ (- cwid wid) 2) 32)
360 (make-string (/ (- cwid wid -1) 2) 32)
361 (if (equal name "MENU")
362 (int-to-string (1+ calc-keypad-menu))
364 (or (setq col (cdr col))
367 "-----+-----+-----+-----+-----"
369 "-----+---+-+--+--+-+---++----"
370 "----+----+----+----+----+----"))
371 (if (= y 7) "+\n" "|\n"))
374 (setq calc-keypad-prev-input t)
375 (calc-keypad-show-input)
376 (goto-char (point-min)))
378 (defun calc-keypad-show-input ()
379 (or (equal calc-keypad-input calc-keypad-prev-input)
380 (let ((buffer-read-only nil))
382 (goto-char (point-min))
384 (delete-region (point-min) (point))
385 (if calc-keypad-input
386 (insert "Calc: " calc-keypad-input "\n")
387 (insert "----+-----Calc " calc-version " -----+----"
388 (int-to-string (1+ calc-keypad-menu))
390 (setq calc-keypad-prev-input calc-keypad-input))
392 (defun calc-keypad-press ()
394 (unless (eq major-mode 'calc-keypad-mode)
395 (error "Must be in *Calc Keypad* buffer for this command"))
396 (let* ((row (save-excursion
398 (count-lines (point-min) (point))))
400 (x (/ (current-column) (if (>= y 4) 6 5)))
402 (hyp (with-current-buffer calc-main-buffer
403 (setq radix calc-number-radix
404 frac calc-prefer-frac
405 inv calc-inverse-flag)
406 calc-hyperbolic-flag))
408 (menu (symbol-value (nth calc-keypad-menu calc-keypad-menus)))
409 (input calc-keypad-input)
411 (or (string-match "\\*[0-9]+\\.\\^" input)
412 (and (<= radix 14) (string-match "e" input)))
414 (key (nth x (nth y calc-keypad-full-layout)))
415 (cmd (or (nth (if inv (if hyp 4 2) (if hyp 3 99)) key)
418 (isstring (and (consp cmd) (stringp (car cmd))))
419 (calc-is-keypad-press t))
420 (if invhyp (calc-wrapper)) ; clear Inv and Hyp flags
422 (cond ((or (null cmd)
425 ((and (> (minibuffer-depth) 0))
427 (push (aref (car cmd) 0) unread-command-events))
429 (push ?\177 unread-command-events))
430 ((eq cmd 'calc-enter)
431 (push 13 unread-command-events))
433 (push 7 unread-command-events))
436 ((and input (string-match "STO\\|RCL" input))
437 (cond ((and isstring (string-match "[0-9]" (car cmd)))
438 (setq calc-keypad-input nil)
439 (let ((var (intern (concat "var-q" (car cmd)))))
440 (cond ((equal input "STO+") (calc-store-plus var))
441 ((equal input "STO-") (calc-store-minus var))
442 ((equal input "STO*") (calc-store-times var))
443 ((equal input "STO/") (calc-store-div var))
444 ((equal input "STO^") (calc-store-power var))
445 ((equal input "STOn") (calc-store-neg 1 var))
446 ((equal input "STO&") (calc-store-inv 1 var))
447 ((equal input "STO") (calc-store-into var))
448 (t (calc-recall var)))))
449 ((memq cmd '(calc-pop calc-undo))
450 (setq calc-keypad-input nil))
451 ((and (equal input "STO")
452 (setq frac (assq cmd '( ( calc-plus . "+" )
455 ( calc-divide . "/" )
457 ( calc-change-sign . "n")
458 ( calc-inv . "&") ))))
459 (setq calc-keypad-input (concat input (cdr frac))))
464 (if (or (and (equal cmd ".")
466 (string-match "[.:e^]" input))
469 (or (and (<= radix 14) (string-match "e" input))
470 (string-match "\\^\\|[-.:]\\'" input)))
471 (and (not (equal cmd "."))
472 (let ((case-fold-search nil))
473 (string-match cmd "0123456789ABCDEF"
475 "[e^]" (or input ""))
478 (setq calc-keypad-input (concat
482 (format "%d#" radix))
485 (or (and (equal cmd "e") "1")
489 (if (and (equal cmd ".") frac)
491 (if (and (equal cmd "e")
496 (format "*%d.^" radix)
498 ((and (eq cmd 'calc-change-sign)
500 (let* ((epos (or iexpon 0))
501 (suffix (substring input epos)))
502 (setq calc-keypad-input (concat
503 (substring input 0 epos)
504 (if (string-match "\\`-" suffix)
506 (concat "-" suffix))))))
507 ((and (eq cmd 'calc-pop)
511 (setq calc-keypad-input (substring input 0
516 ((and (eq cmd 'calc-undo)
518 (setq calc-keypad-input nil))
521 (let ((val (math-read-number input)))
522 (setq calc-keypad-input nil)
525 (calc-push-list (list (calc-record
526 (calc-normalize val)))))
530 (if (eq cmd 'calc-enter) (setq cmd nil))))
531 (setq prefix-arg current-prefix-arg)
533 (if (and (consp cmd) (eq (car cmd) 'progn))
534 (while (setq cmd (cdr cmd))
535 (if (integerp (car cmd))
536 (setq prefix-arg (car cmd))
537 (command-execute (car cmd))))
538 (command-execute cmd)))))
539 (set-buffer calc-keypad-buffer)
540 (calc-keypad-show-input))))
542 (defun calc-keypad-left-click (event)
543 "Handle a left-button mouse click in Calc Keypad window."
545 (with-current-buffer calc-keypad-buffer
546 (goto-char (posn-point (event-start event)))
547 (calc-keypad-press)))
549 (defun calc-keypad-right-click (event)
550 "Handle a right-button mouse click in Calc Keypad window."
553 (set-buffer calc-keypad-buffer)
556 (defun calc-keypad-middle-click (event)
557 "Handle a middle-button mouse click in Calc Keypad window."
559 (with-current-buffer calc-keypad-buffer
560 (calc-keypad-menu-back)))
562 (defun calc-keypad-menu ()
564 (unless (eq major-mode 'calc-keypad-mode)
565 (error "Must be in *Calc Keypad* buffer for this command"))
566 (while (progn (setq calc-keypad-menu (% (1+ calc-keypad-menu)
567 (length calc-keypad-menus)))
568 (not (symbol-value (nth calc-keypad-menu calc-keypad-menus)))))
569 (calc-keypad-redraw))
571 (defun calc-keypad-menu-back ()
573 (or (eq major-mode 'calc-keypad-mode)
574 (error "Must be in *Calc Keypad* buffer for this command"))
575 (while (progn (setq calc-keypad-menu (% (1- (+ calc-keypad-menu
576 (length calc-keypad-menus)))
577 (length calc-keypad-menus)))
578 (not (symbol-value (nth calc-keypad-menu calc-keypad-menus)))))
579 (calc-keypad-redraw))
581 (defun calc-keypad-store ()
583 (setq calc-keypad-input "STO"))
585 (defun calc-keypad-recall ()
587 (setq calc-keypad-input "RCL"))
589 (defun calc-pack-interval (mode)
591 (if (or (< mode 0) (> mode 3))
592 (error "Open/close code should be in the range from 0 to 3"))
593 (calc-pack (- -6 mode)))
595 (defun calc-keypad-execute ()
597 (let* ((prompt "Calc keystrokes: ")
598 (flush 'x-flush-mouse-queue)
604 (setq keys (read-key-sequence prompt))
605 (setq cmd (key-binding keys))
606 (if (or (memq cmd '(calc-inverse
611 (and prefix (string-match "\\`\e?[-0-9]\\'" keys)))
613 (setq last-command-char (aref keys (1- (length keys))))
614 (command-execute cmd)
615 (setq flush 'not-any-more
617 prompt (concat prompt (key-description keys) " ")))
618 (eq cmd flush))))) ; skip mouse-up event
621 (command-execute cmd)
622 (error "Not a Calc command: %s" (key-description keys)))))
624 (provide 'calc-keypd)
626 ;;; arch-tag: 4ba0d360-2bb6-40b8-adfa-eb373765b3f9
627 ;;; calc-keypd.el ends here