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3132f345 CW |
1 | ;;; calc-yank.el --- kill-ring functionality for Calc |
2 | ||
ca9cbc31 | 3 | ;; Copyright (C) 1990, 1991, 1992, 1993, 2001, 2005 Free Software Foundation, Inc. |
3132f345 CW |
4 | |
5 | ;; Author: David Gillespie <daveg@synaptics.com> | |
3f53a1f4 | 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 | ||
3132f345 | 25 | ;;; Commentary: |
136211a9 | 26 | |
3132f345 | 27 | ;;; Code: |
136211a9 EZ |
28 | |
29 | ;; This file is autoloaded from calc-ext.el. | |
136211a9 | 30 | |
b1687f60 | 31 | (require 'calc-ext) |
136211a9 EZ |
32 | (require 'calc-macs) |
33 | ||
136211a9 EZ |
34 | ;;; Kill ring commands. |
35 | ||
36 | (defun calc-kill (nn &optional no-delete) | |
37 | (interactive "P") | |
38 | (if (eq major-mode 'calc-mode) | |
39 | (calc-wrapper | |
40 | (calc-force-refresh) | |
41 | (calc-set-command-flag 'no-align) | |
42 | (let ((num (max (calc-locate-cursor-element (point)) 1)) | |
43 | (n (prefix-numeric-value nn))) | |
44 | (if (< n 0) | |
45 | (progn | |
46 | (if (eobp) | |
47 | (setq num (1- num))) | |
48 | (setq num (- num n) | |
49 | n (- n)))) | |
50 | (let ((stuff (calc-top-list n (- num n -1)))) | |
51 | (calc-cursor-stack-index num) | |
52 | (let ((first (point))) | |
53 | (calc-cursor-stack-index (- num n)) | |
54 | (if (null nn) | |
55 | (backward-char 1)) ; don't include newline for raw C-k | |
56 | (copy-region-as-kill first (point)) | |
57 | (if (not no-delete) | |
58 | (calc-pop-stack n (- num n -1)))) | |
59 | (setq calc-last-kill (cons (car kill-ring) stuff))))) | |
bf77c646 | 60 | (kill-line nn))) |
136211a9 EZ |
61 | |
62 | (defun calc-force-refresh () | |
63 | (if (or calc-executing-macro calc-display-dirty) | |
64 | (let ((calc-executing-macro nil)) | |
bf77c646 | 65 | (calc-refresh)))) |
136211a9 EZ |
66 | |
67 | (defun calc-locate-cursor-element (pt) | |
68 | (save-excursion | |
69 | (goto-char (point-max)) | |
bf77c646 | 70 | (calc-locate-cursor-scan (- calc-stack-top) calc-stack pt))) |
136211a9 EZ |
71 | |
72 | (defun calc-locate-cursor-scan (n stack pt) | |
73 | (if (or (<= (point) pt) | |
74 | (null stack)) | |
75 | n | |
76 | (forward-line (- (nth 1 (car stack)))) | |
bf77c646 | 77 | (calc-locate-cursor-scan (1+ n) (cdr stack) pt))) |
136211a9 EZ |
78 | |
79 | (defun calc-kill-region (top bot &optional no-delete) | |
80 | (interactive "r") | |
81 | (if (eq major-mode 'calc-mode) | |
82 | (calc-wrapper | |
83 | (calc-force-refresh) | |
84 | (calc-set-command-flag 'no-align) | |
85 | (let* ((top-num (calc-locate-cursor-element top)) | |
86 | (bot-num (calc-locate-cursor-element (1- bot))) | |
87 | (num (- top-num bot-num -1))) | |
88 | (copy-region-as-kill top bot) | |
89 | (setq calc-last-kill (cons (car kill-ring) | |
90 | (calc-top-list num bot-num))) | |
91 | (if (not no-delete) | |
92 | (calc-pop-stack num bot-num)))) | |
93 | (if no-delete | |
94 | (copy-region-as-kill top bot) | |
bf77c646 | 95 | (kill-region top bot)))) |
136211a9 EZ |
96 | |
97 | (defun calc-copy-as-kill (n) | |
98 | (interactive "P") | |
bf77c646 | 99 | (calc-kill n t)) |
136211a9 EZ |
100 | |
101 | (defun calc-copy-region-as-kill (top bot) | |
102 | (interactive "r") | |
bf77c646 | 103 | (calc-kill-region top bot t)) |
136211a9 EZ |
104 | |
105 | ;;; This function uses calc-last-kill if possible to get an exact result, | |
106 | ;;; otherwise it just parses the yanked string. | |
107 | ;;; Modified to use Emacs 19 extended concept of kill-ring. -- daveg 12/15/96 | |
108 | (defun calc-yank () | |
109 | (interactive) | |
110 | (calc-wrapper | |
111 | (calc-pop-push-record-list | |
112 | 0 "yank" | |
113 | (let ((thing (if (fboundp 'current-kill) | |
114 | (current-kill 0 t) | |
115 | (car kill-ring-yank-pointer)))) | |
116 | (if (eq (car-safe calc-last-kill) thing) | |
117 | (cdr calc-last-kill) | |
118 | (if (stringp thing) | |
119 | (let ((val (math-read-exprs (calc-clean-newlines thing)))) | |
120 | (if (eq (car-safe val) 'error) | |
121 | (progn | |
122 | (setq val (math-read-exprs thing)) | |
123 | (if (eq (car-safe val) 'error) | |
124 | (error "Bad format in yanked data") | |
125 | val)) | |
bf77c646 | 126 | val)))))))) |
136211a9 EZ |
127 | |
128 | (defun calc-clean-newlines (s) | |
129 | (cond | |
a1506d29 | 130 | |
136211a9 EZ |
131 | ;; Omit leading/trailing whitespace |
132 | ((or (string-match "\\`[ \n\r]+\\([^\001]*\\)\\'" s) | |
133 | (string-match "\\`\\([^\001]*\\)[ \n\r]+\\'" s)) | |
134 | (calc-clean-newlines (math-match-substring s 1))) | |
135 | ||
136 | ;; Convert newlines to commas | |
137 | ((string-match "\\`\\(.*\\)[\n\r]+\\([^\001]*\\)\\'" s) | |
138 | (calc-clean-newlines (concat (math-match-substring s 1) "," | |
139 | (math-match-substring s 2)))) | |
a1506d29 | 140 | |
bf77c646 | 141 | (t s))) |
136211a9 EZ |
142 | |
143 | ||
144 | (defun calc-do-grab-region (top bot arg) | |
3132f345 CW |
145 | (when (memq major-mode '(calc-mode calc-trail-mode)) |
146 | (error "This command works only in a regular text buffer")) | |
136211a9 EZ |
147 | (let* ((from-buffer (current-buffer)) |
148 | (calc-was-started (get-buffer-window "*Calculator*")) | |
149 | (single nil) | |
150 | data vals pos) | |
151 | (if arg | |
152 | (if (consp arg) | |
153 | (setq single t) | |
154 | (setq arg (prefix-numeric-value arg)) | |
155 | (if (= arg 0) | |
156 | (save-excursion | |
157 | (beginning-of-line) | |
158 | (setq top (point)) | |
159 | (end-of-line) | |
160 | (setq bot (point))) | |
161 | (save-excursion | |
162 | (setq top (point)) | |
163 | (forward-line arg) | |
164 | (if (> arg 0) | |
165 | (setq bot (point)) | |
166 | (setq bot top | |
167 | top (point))))))) | |
168 | (setq data (buffer-substring top bot)) | |
169 | (calc) | |
170 | (if single | |
171 | (setq vals (math-read-expr data)) | |
172 | (setq vals (math-read-expr (concat "[" data "]"))) | |
173 | (and (eq (car-safe vals) 'vec) | |
174 | (= (length vals) 2) | |
175 | (eq (car-safe (nth 1 vals)) 'vec) | |
176 | (setq vals (nth 1 vals)))) | |
177 | (if (eq (car-safe vals) 'error) | |
178 | (progn | |
179 | (if calc-was-started | |
180 | (pop-to-buffer from-buffer) | |
181 | (calc-quit t) | |
182 | (switch-to-buffer from-buffer)) | |
183 | (goto-char top) | |
184 | (forward-char (+ (nth 1 vals) (if single 0 1))) | |
185 | (error (nth 2 vals)))) | |
186 | (calc-slow-wrapper | |
bf77c646 | 187 | (calc-enter-result 0 "grab" vals)))) |
136211a9 EZ |
188 | |
189 | ||
190 | (defun calc-do-grab-rectangle (top bot arg &optional reduce) | |
191 | (and (memq major-mode '(calc-mode calc-trail-mode)) | |
3132f345 | 192 | (error "This command works only in a regular text buffer")) |
136211a9 EZ |
193 | (let* ((col1 (save-excursion (goto-char top) (current-column))) |
194 | (col2 (save-excursion (goto-char bot) (current-column))) | |
195 | (from-buffer (current-buffer)) | |
196 | (calc-was-started (get-buffer-window "*Calculator*")) | |
197 | data mat vals lnum pt pos) | |
198 | (if (= col1 col2) | |
199 | (save-excursion | |
3132f345 CW |
200 | (unless (= col1 0) |
201 | (error "Point and mark must be at beginning of line, or define a rectangle")) | |
136211a9 EZ |
202 | (goto-char top) |
203 | (while (< (point) bot) | |
204 | (setq pt (point)) | |
205 | (forward-line 1) | |
206 | (setq data (cons (buffer-substring pt (1- (point))) data))) | |
207 | (setq data (nreverse data))) | |
208 | (setq data (extract-rectangle top bot))) | |
209 | (calc) | |
210 | (setq mat (list 'vec) | |
211 | lnum 0) | |
3132f345 CW |
212 | (when arg |
213 | (setq arg (if (consp arg) 0 (prefix-numeric-value arg)))) | |
136211a9 EZ |
214 | (while data |
215 | (if (natnump arg) | |
216 | (progn | |
217 | (if (= arg 0) | |
218 | (setq arg 1000000)) | |
219 | (setq pos 0 | |
220 | vals (list 'vec)) | |
221 | (let ((w (length (car data))) | |
222 | j v) | |
223 | (while (< pos w) | |
224 | (setq j (+ pos arg) | |
225 | v (if (>= j w) | |
226 | (math-read-expr (substring (car data) pos)) | |
227 | (math-read-expr (substring (car data) pos j)))) | |
228 | (if (eq (car-safe v) 'error) | |
229 | (setq vals v w 0) | |
230 | (setq vals (nconc vals (list v)) | |
231 | pos j))))) | |
232 | (if (string-match "\\` *-?[0-9][0-9]?[0-9]?[0-9]?[0-9]?[0-9]? *\\'" | |
233 | (car data)) | |
ca9cbc31 | 234 | (setq vals (list 'vec (string-to-number (car data)))) |
136211a9 EZ |
235 | (if (and (null arg) |
236 | (string-match "[[{][^][{}]*[]}]" (car data))) | |
237 | (setq pos (match-beginning 0) | |
238 | vals (math-read-expr (math-match-substring (car data) 0))) | |
239 | (let ((s (if (string-match | |
240 | "\\`\\([0-9]+:[ \t]\\)?\\(.*[^, \t]\\)[, \t]*\\'" | |
241 | (car data)) | |
242 | (math-match-substring (car data) 2) | |
243 | (car data)))) | |
244 | (setq pos -1 | |
245 | vals (math-read-expr (concat "[" s "]"))) | |
246 | (if (eq (car-safe vals) 'error) | |
247 | (let ((v2 (math-read-expr s))) | |
3132f345 CW |
248 | (unless (eq (car-safe v2) 'error) |
249 | (setq vals (list 'vec v2))))))))) | |
136211a9 EZ |
250 | (if (eq (car-safe vals) 'error) |
251 | (progn | |
252 | (if calc-was-started | |
253 | (pop-to-buffer from-buffer) | |
254 | (calc-quit t) | |
255 | (switch-to-buffer from-buffer)) | |
256 | (goto-char top) | |
257 | (forward-line lnum) | |
258 | (forward-char (+ (nth 1 vals) (min col1 col2) pos)) | |
259 | (error (nth 2 vals)))) | |
3132f345 CW |
260 | (unless (equal vals '(vec)) |
261 | (setq mat (cons vals mat))) | |
136211a9 EZ |
262 | (setq data (cdr data) |
263 | lnum (1+ lnum))) | |
264 | (calc-slow-wrapper | |
265 | (if reduce | |
266 | (calc-enter-result 0 "grb+" (list reduce '(var add var-add) | |
267 | (nreverse mat))) | |
bf77c646 | 268 | (calc-enter-result 0 "grab" (nreverse mat)))))) |
136211a9 EZ |
269 | |
270 | ||
271 | (defun calc-copy-to-buffer (nn) | |
272 | "Copy the top of stack into an editing buffer." | |
273 | (interactive "P") | |
274 | (let ((thebuf (and (not (memq major-mode '(calc-mode calc-trail-mode))) | |
275 | (current-buffer))) | |
276 | (movept nil) | |
277 | oldbuf newbuf) | |
278 | (calc-wrapper | |
279 | (save-excursion | |
280 | (calc-force-refresh) | |
281 | (let ((n (prefix-numeric-value nn)) | |
282 | (eat-lnums calc-line-numbering) | |
283 | (big-offset (if (eq calc-language 'big) 1 0)) | |
284 | top bot) | |
285 | (setq oldbuf (current-buffer) | |
286 | newbuf (or thebuf | |
287 | (calc-find-writable-buffer (buffer-list) 0) | |
288 | (calc-find-writable-buffer (buffer-list) 1) | |
289 | (error "No other buffer"))) | |
290 | (cond ((and (or (null nn) | |
291 | (consp nn)) | |
292 | (= (calc-substack-height 0) | |
293 | (- (1- (calc-substack-height 1)) big-offset))) | |
294 | (calc-cursor-stack-index 1) | |
295 | (if (looking-at | |
296 | (if calc-line-numbering "[0-9]+: *[^ \n]" " *[^ \n]")) | |
297 | (goto-char (1- (match-end 0)))) | |
298 | (setq eat-lnums nil | |
299 | top (point)) | |
300 | (calc-cursor-stack-index 0) | |
301 | (setq bot (- (1- (point)) big-offset))) | |
302 | ((> n 0) | |
303 | (calc-cursor-stack-index n) | |
304 | (setq top (point)) | |
305 | (calc-cursor-stack-index 0) | |
306 | (setq bot (- (point) big-offset))) | |
307 | ((< n 0) | |
308 | (calc-cursor-stack-index (- n)) | |
309 | (setq top (point)) | |
310 | (calc-cursor-stack-index (1- (- n))) | |
311 | (setq bot (point))) | |
312 | (t | |
313 | (goto-char (point-min)) | |
314 | (forward-line 1) | |
315 | (setq top (point)) | |
316 | (calc-cursor-stack-index 0) | |
317 | (setq bot (point)))) | |
318 | (save-excursion | |
319 | (set-buffer newbuf) | |
320 | (if (consp nn) | |
321 | (kill-region (region-beginning) (region-end))) | |
322 | (push-mark (point) t) | |
323 | (if (and overwrite-mode (not (consp nn))) | |
324 | (calc-overwrite-string (save-excursion | |
325 | (set-buffer oldbuf) | |
326 | (buffer-substring top bot)) | |
327 | eat-lnums) | |
328 | (or (bolp) (setq eat-lnums nil)) | |
329 | (insert-buffer-substring oldbuf top bot) | |
330 | (and eat-lnums | |
331 | (let ((n 1)) | |
332 | (while (and (> (point) (mark)) | |
333 | (progn | |
334 | (forward-line -1) | |
335 | (>= (point) (mark)))) | |
336 | (delete-char 4) | |
337 | (setq n (1+ n))) | |
338 | (forward-line n)))) | |
3132f345 CW |
339 | (when thebuf |
340 | (setq movept (point))) | |
341 | (when (get-buffer-window (current-buffer)) | |
342 | (set-window-point (get-buffer-window (current-buffer)) | |
343 | (point))))))) | |
344 | (when movept | |
345 | (goto-char movept)) | |
346 | (when (and (consp nn) | |
347 | (not thebuf)) | |
348 | (calc-quit t) | |
349 | (switch-to-buffer newbuf)))) | |
136211a9 EZ |
350 | |
351 | (defun calc-overwrite-string (str eat-lnums) | |
3132f345 CW |
352 | (when (string-match "\n\\'" str) |
353 | (setq str (substring str 0 -1))) | |
354 | (when eat-lnums | |
355 | (setq str (substring str 4))) | |
136211a9 EZ |
356 | (if (and (string-match "\\`[-+]?[0-9.]+\\(e-?[0-9]+\\)?\\'" str) |
357 | (looking-at "[-+]?[0-9.]+\\(e-?[0-9]+\\)?")) | |
358 | (progn | |
359 | (delete-region (point) (match-end 0)) | |
360 | (insert str)) | |
361 | (let ((i 0)) | |
362 | (while (< i (length str)) | |
363 | (if (= (setq last-command-char (aref str i)) ?\n) | |
364 | (or (= i (1- (length str))) | |
365 | (let ((pt (point))) | |
366 | (end-of-line) | |
367 | (delete-region pt (point)) | |
368 | (if (eobp) | |
369 | (insert "\n") | |
370 | (forward-char 1)) | |
371 | (if eat-lnums (setq i (+ i 4))))) | |
372 | (self-insert-command 1)) | |
bf77c646 | 373 | (setq i (1+ i)))))) |
136211a9 EZ |
374 | |
375 | ;;; First, require that buffer is visible and does not begin with "*" | |
376 | ;;; Second, require only that it not begin with "*Calc" | |
377 | (defun calc-find-writable-buffer (buf mode) | |
378 | (and buf | |
379 | (if (or (string-match "\\`\\( .*\\|\\*Calc.*\\)" | |
380 | (buffer-name (car buf))) | |
381 | (and (= mode 0) | |
382 | (or (string-match "\\`\\*.*" (buffer-name (car buf))) | |
383 | (not (get-buffer-window (car buf)))))) | |
384 | (calc-find-writable-buffer (cdr buf) mode) | |
bf77c646 | 385 | (car buf)))) |
136211a9 EZ |
386 | |
387 | ||
388 | (defun calc-edit (n) | |
389 | (interactive "p") | |
390 | (calc-slow-wrapper | |
3132f345 CW |
391 | (when (eq n 0) |
392 | (setq n (calc-stack-size))) | |
136211a9 EZ |
393 | (let* ((flag nil) |
394 | (allow-ret (> n 1)) | |
395 | (list (math-showing-full-precision | |
396 | (mapcar (if (> n 1) | |
397 | (function (lambda (x) | |
398 | (math-format-flat-expr x 0))) | |
399 | (function | |
400 | (lambda (x) | |
401 | (if (math-vectorp x) (setq allow-ret t)) | |
8f66f479 | 402 | (math-format-nice-expr x (frame-width))))) |
136211a9 EZ |
403 | (if (> n 0) |
404 | (calc-top-list n) | |
405 | (calc-top-list 1 (- n))))))) | |
406 | (calc-edit-mode (list 'calc-finish-stack-edit (or flag n)) allow-ret) | |
407 | (while list | |
408 | (insert (car list) "\n") | |
409 | (setq list (cdr list))))) | |
bf77c646 | 410 | (calc-show-edit-buffer)) |
136211a9 EZ |
411 | |
412 | (defun calc-alg-edit (str) | |
413 | (calc-edit-mode '(calc-finish-stack-edit 0)) | |
414 | (calc-show-edit-buffer) | |
415 | (insert str "\n") | |
416 | (backward-char 1) | |
bf77c646 | 417 | (calc-set-command-flag 'do-edit)) |
136211a9 EZ |
418 | |
419 | (defvar calc-edit-mode-map nil "Keymap for use by the calc-edit command.") | |
420 | (if calc-edit-mode-map | |
421 | () | |
422 | (setq calc-edit-mode-map (make-sparse-keymap)) | |
423 | (define-key calc-edit-mode-map "\n" 'calc-edit-finish) | |
424 | (define-key calc-edit-mode-map "\r" 'calc-edit-return) | |
bf77c646 | 425 | (define-key calc-edit-mode-map "\C-c\C-c" 'calc-edit-finish)) |
136211a9 | 426 | |
3f53a1f4 JB |
427 | (defvar calc-original-buffer) |
428 | (defvar calc-return-buffer) | |
429 | (defvar calc-one-window) | |
430 | (defvar calc-edit-handler) | |
431 | (defvar calc-restore-trail) | |
432 | (defvar calc-allow-ret) | |
f57a0962 | 433 | (defvar calc-edit-top) |
3f53a1f4 | 434 | |
136211a9 EZ |
435 | (defun calc-edit-mode (&optional handler allow-ret title) |
436 | "Calculator editing mode. Press RET, LFD, or C-c C-c to finish. | |
437 | To cancel the edit, simply kill the *Calc Edit* buffer." | |
438 | (interactive) | |
3132f345 CW |
439 | (unless handler |
440 | (error "This command can be used only indirectly through calc-edit")) | |
136211a9 EZ |
441 | (let ((oldbuf (current-buffer)) |
442 | (buf (get-buffer-create "*Calc Edit*"))) | |
443 | (set-buffer buf) | |
444 | (kill-all-local-variables) | |
445 | (use-local-map calc-edit-mode-map) | |
446 | (setq buffer-read-only nil) | |
447 | (setq truncate-lines nil) | |
448 | (setq major-mode 'calc-edit-mode) | |
449 | (setq mode-name "Calc Edit") | |
5c5fb26b | 450 | (run-mode-hooks 'calc-edit-mode-hook) |
136211a9 EZ |
451 | (make-local-variable 'calc-original-buffer) |
452 | (setq calc-original-buffer oldbuf) | |
453 | (make-local-variable 'calc-return-buffer) | |
454 | (setq calc-return-buffer oldbuf) | |
455 | (make-local-variable 'calc-one-window) | |
456 | (setq calc-one-window (and (one-window-p t) pop-up-windows)) | |
457 | (make-local-variable 'calc-edit-handler) | |
458 | (setq calc-edit-handler handler) | |
459 | (make-local-variable 'calc-restore-trail) | |
460 | (setq calc-restore-trail (get-buffer-window (calc-trail-buffer))) | |
461 | (make-local-variable 'calc-allow-ret) | |
462 | (setq calc-allow-ret allow-ret) | |
48e7c397 JB |
463 | (let ((inhibit-read-only t)) |
464 | (erase-buffer)) | |
dcbdf573 JB |
465 | (add-hook 'kill-buffer-hook (lambda () |
466 | (let ((calc-edit-handler nil)) | |
467 | (calc-edit-finish t)) | |
468 | (message "(Cancelled)")) t t) | |
72e53dcd JB |
469 | (insert (propertize |
470 | (concat | |
471 | (or title title "Calc Edit Mode. ") | |
472 | "Press `C-c C-c'" | |
473 | (if allow-ret "" " or RET") | |
474 | " to finish, `C-x k RET' to cancel.\n\n") | |
f57a0962 JB |
475 | 'font-lock-face 'italic 'read-only t 'rear-nonsticky t 'front-sticky t)) |
476 | (make-local-variable 'calc-edit-top) | |
477 | (setq calc-edit-top (point)))) | |
136211a9 EZ |
478 | (put 'calc-edit-mode 'mode-class 'special) |
479 | ||
480 | (defun calc-show-edit-buffer () | |
481 | (let ((buf (current-buffer))) | |
482 | (if (and (one-window-p t) pop-up-windows) | |
483 | (pop-to-buffer (get-buffer-create "*Calc Edit*")) | |
484 | (and calc-embedded-info (get-buffer-window (aref calc-embedded-info 1)) | |
485 | (select-window (get-buffer-window (aref calc-embedded-info 1)))) | |
486 | (switch-to-buffer (get-buffer-create "*Calc Edit*"))) | |
487 | (setq calc-return-buffer buf) | |
8f66f479 | 488 | (if (and (< (window-width) (frame-width)) |
136211a9 EZ |
489 | calc-display-trail) |
490 | (let ((win (get-buffer-window (calc-trail-buffer)))) | |
491 | (if win | |
492 | (delete-window win)))) | |
493 | (set-buffer-modified-p nil) | |
f57a0962 | 494 | (goto-char calc-edit-top))) |
136211a9 EZ |
495 | |
496 | (defun calc-edit-return () | |
497 | (interactive) | |
498 | (if (and (boundp 'calc-allow-ret) calc-allow-ret) | |
499 | (newline) | |
bf77c646 | 500 | (calc-edit-finish))) |
136211a9 | 501 | |
7fc684b3 JB |
502 | ;; The variable calc-edit-disp-trail is local to calc-edit finish, but |
503 | ;; is used by calc-finish-selection-edit and calc-finish-stack-edit. | |
504 | (defvar calc-edit-disp-trail) | |
505 | ||
136211a9 EZ |
506 | (defun calc-edit-finish (&optional keep) |
507 | "Finish calc-edit mode. Parse buffer contents and push them on the stack." | |
508 | (interactive "P") | |
509 | (message "Working...") | |
510 | (or (and (boundp 'calc-original-buffer) | |
511 | (boundp 'calc-return-buffer) | |
512 | (boundp 'calc-one-window) | |
513 | (boundp 'calc-edit-handler) | |
514 | (boundp 'calc-restore-trail) | |
515 | (eq major-mode 'calc-edit-mode)) | |
3132f345 | 516 | (error "This command is valid only in buffers created by calc-edit")) |
136211a9 EZ |
517 | (let ((buf (current-buffer)) |
518 | (original calc-original-buffer) | |
519 | (return calc-return-buffer) | |
520 | (one-window calc-one-window) | |
7fc684b3 | 521 | (calc-edit-disp-trail calc-restore-trail)) |
136211a9 | 522 | (save-excursion |
3132f345 CW |
523 | (when (or (null (buffer-name original)) |
524 | (progn | |
525 | (set-buffer original) | |
526 | (not (eq major-mode 'calc-mode)))) | |
527 | (error "Original calculator buffer has been corrupted"))) | |
f57a0962 | 528 | (goto-char calc-edit-top) |
136211a9 EZ |
529 | (if (buffer-modified-p) |
530 | (eval calc-edit-handler)) | |
a1ed7bec | 531 | (if (and one-window (not (one-window-p t))) |
136211a9 EZ |
532 | (delete-window)) |
533 | (if (get-buffer-window return) | |
534 | (select-window (get-buffer-window return)) | |
535 | (switch-to-buffer return)) | |
536 | (if keep | |
537 | (bury-buffer buf) | |
538 | (kill-buffer buf)) | |
7fc684b3 | 539 | (if calc-edit-disp-trail |
136211a9 EZ |
540 | (calc-wrapper |
541 | (calc-trail-display 1 t))) | |
bf77c646 | 542 | (message ""))) |
136211a9 EZ |
543 | |
544 | (defun calc-edit-cancel () | |
545 | "Cancel calc-edit mode. Ignore the Calc Edit buffer and don't change stack." | |
546 | (interactive) | |
547 | (let ((calc-edit-handler nil)) | |
548 | (calc-edit-finish)) | |
bf77c646 | 549 | (message "(Cancelled)")) |
136211a9 EZ |
550 | |
551 | (defun calc-finish-stack-edit (num) | |
552 | (let ((buf (current-buffer)) | |
f57a0962 | 553 | (str (buffer-substring calc-edit-top (point-max))) |
136211a9 EZ |
554 | (start (point)) |
555 | pos) | |
556 | (if (and (integerp num) (> num 1)) | |
557 | (while (setq pos (string-match "\n." str)) | |
558 | (aset str pos ?\,))) | |
559 | (switch-to-buffer calc-original-buffer) | |
560 | (let ((vals (let ((calc-language nil) | |
561 | (math-expr-opers math-standard-opers)) | |
562 | (and (string-match "[^\n\t ]" str) | |
563 | (math-read-exprs str))))) | |
3132f345 CW |
564 | (when (eq (car-safe vals) 'error) |
565 | (switch-to-buffer buf) | |
566 | (goto-char (+ start (nth 1 vals))) | |
567 | (error (nth 2 vals))) | |
136211a9 EZ |
568 | (calc-wrapper |
569 | (if (symbolp num) | |
570 | (progn | |
571 | (set num (car vals)) | |
572 | (calc-refresh-evaltos num)) | |
7fc684b3 | 573 | (if calc-edit-disp-trail |
136211a9 EZ |
574 | (calc-trail-display 1 t)) |
575 | (and vals | |
576 | (let ((calc-simplify-mode (if (eq last-command-char ?\C-j) | |
577 | 'none | |
578 | calc-simplify-mode))) | |
579 | (if (>= num 0) | |
580 | (calc-enter-result num "edit" vals) | |
bf77c646 | 581 | (calc-enter-result 1 "edit" vals (- num)))))))))) |
136211a9 | 582 | |
b1687f60 JB |
583 | (provide 'calc-yank) |
584 | ||
ab5796a9 | 585 | ;;; arch-tag: ca61019e-caca-4daa-b32c-b6afe372d5b5 |
bf77c646 | 586 | ;;; calc-yank.el ends here |