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1 | /* SC A Spreadsheet Calculator |
2 | * Main driver | |
3 | * | |
4 | * original by James Gosling, September 1982 | |
5 | * modifications by Mark Weiser and Bruce Israel, | |
6 | * University of Maryland | |
7 | * | |
8 | * More mods Robert Bond, 12/86 | |
9 | * More mods by Alan Silverstein, 3-4/88, see list of changes. | |
10 | * Currently supported by pur-phy!sawmill!buhrt (Jeff Buhrt) | |
11 | * $Revision: 6.8 $ | |
12 | * | |
13 | */ | |
14 | ||
15 | ||
16 | #include <signal.h> | |
17 | #include <curses.h> | |
18 | #include <ctype.h> | |
19 | ||
20 | #ifdef BSD42 | |
21 | #include <strings.h> | |
22 | #else | |
23 | #ifndef SYSIII | |
24 | #include <string.h> | |
25 | #endif | |
26 | #endif | |
27 | ||
28 | #include <stdio.h> | |
29 | #include "sc.h" | |
30 | ||
31 | char *getenv(); | |
32 | ||
33 | #ifdef SYSV3 | |
34 | void exit(); | |
35 | #endif | |
36 | ||
37 | #ifndef DFLT_PAGER | |
38 | #define DFLT_PAGER "more" /* more is probably more widespread than less */ | |
39 | #endif /* DFLT_PAGER */ | |
40 | ||
41 | #define MAXCMD 160 /* for ! command below */ | |
42 | ||
43 | extern char *rev; | |
44 | ||
45 | /* Globals defined in sc.h */ | |
46 | ||
47 | struct ent ***tbl; | |
48 | int strow, stcol; | |
49 | int currow, curcol; | |
50 | int savedrow, savedcol; | |
51 | int FullUpdate; | |
52 | int maxrow, maxcol; | |
53 | int maxrows, maxcols; | |
54 | int *fwidth; | |
55 | int *precision; | |
56 | char *col_hidden; | |
57 | char *row_hidden; | |
58 | char line[FBUFLEN]; | |
59 | int changed; | |
60 | struct ent *to_fix; | |
61 | int modflg; | |
62 | int numeric; | |
63 | char *mdir; | |
64 | int showsc, showsr; /* Starting cell for highlighted range */ | |
65 | char mode_ind = '.'; | |
66 | ||
67 | char curfile[PATHLEN]; | |
68 | char revmsg[80]; | |
69 | ||
70 | int linelim = -1; | |
71 | ||
72 | int showtop = 1; /* Causes current cell value display in top line */ | |
73 | int showcell = 1; /* Causes current cell to be highlighted */ | |
74 | int showrange = 0; /* Causes ranges to be highlighted */ | |
75 | int showneed = 0; /* Causes cells needing values to be highlighted */ | |
76 | int showexpr = 0; /* Causes cell exprs to be displayed, highlighted */ | |
77 | ||
78 | int autocalc = 1 ; /* 1 to calculate after each update */ | |
79 | int calc_order = BYROWS; | |
80 | int tbl_style = 0; /* headers for T command output */ | |
81 | ||
82 | int lastmx, lastmy; /* Screen address of the cursor */ | |
83 | int lastcol; /* Spreadsheet Column the cursor was in last */ | |
84 | char under_cursor[] = " "; /* Data under the < cursor */ | |
85 | ||
86 | #ifdef VMS | |
87 | int VMS_read_raw = 0; | |
88 | #endif | |
89 | ||
90 | int seenerr; | |
91 | ||
92 | void | |
93 | yyerror(err) | |
94 | char *err; { | |
95 | if (seenerr) return; | |
96 | seenerr++; | |
97 | (void) move(1,0); | |
98 | (void) clrtoeol(); | |
99 | (void) printw("%s: %.*s<=%s",err,linelim,line,line+linelim); | |
100 | } | |
101 | ||
102 | struct ent * | |
103 | lookat(row,col) | |
104 | int row, col; | |
105 | { | |
106 | register struct ent **pp; | |
107 | ||
108 | checkbounds(&row, &col); | |
109 | pp = ATBL(tbl, row, col); | |
110 | if (*pp == (struct ent *)0) { | |
111 | *pp = (struct ent *) xmalloc((unsigned)sizeof(struct ent)); | |
112 | if (row>maxrow) maxrow = row; | |
113 | if (col>maxcol) maxcol = col; | |
114 | (*pp)->label = (char *)0; | |
115 | (*pp)->row = row; | |
116 | (*pp)->col = col; | |
117 | (*pp)->flags = 0; | |
118 | (*pp)->expr = (struct enode *)0; | |
119 | (*pp)->v = (double) 0.0; | |
120 | (*pp)->evnext = (struct ent *)0; | |
121 | } | |
122 | return *pp; | |
123 | } | |
124 | ||
125 | /* | |
126 | * This structure is used to keep ent structs around before they | |
127 | * are deleted to allow the sync_refs routine a chance to fix the | |
128 | * variable references. | |
129 | * We also use it as a last-deleted buffer for the 'p' command. | |
130 | */ | |
131 | ||
132 | void | |
133 | free_ent(p) | |
134 | register struct ent *p; | |
135 | { | |
136 | p->next = to_fix; | |
137 | to_fix = p; | |
138 | p->flags |= is_deleted; | |
139 | } | |
140 | ||
141 | void | |
142 | flush_saved() | |
143 | { | |
144 | register struct ent *p; | |
145 | register struct ent *q; | |
146 | ||
147 | if (!(p = to_fix)) | |
148 | return; | |
149 | while (p) { | |
150 | (void) clearent(p); | |
151 | q = p->next; | |
152 | xfree((char *)p); | |
153 | p = q; | |
154 | } | |
155 | to_fix = 0; | |
156 | } | |
157 | ||
158 | /* | |
159 | * standout last time in update()? | |
160 | * At this point we will let curses do work | |
161 | */ | |
162 | int standlast = FALSE; | |
163 | ||
164 | void | |
165 | update (anychanged) | |
166 | int anychanged; /* did any cell really change in value? */ | |
167 | { | |
168 | register row, | |
169 | col; | |
170 | register struct ent **pp; | |
171 | int mxcol; | |
172 | int mxrow; | |
173 | int rows; | |
174 | int cols; | |
175 | int minsr, minsc, maxsr, maxsc; | |
176 | register r; | |
177 | register i; | |
178 | ||
179 | while (row_hidden[currow]) /* You can't hide the last row or col */ | |
180 | currow++; | |
181 | while (col_hidden[curcol]) | |
182 | curcol++; | |
183 | /* First see if the last display still covers curcol */ | |
184 | if (stcol <= curcol) { | |
185 | for (i = stcol, cols = 0, col = RESCOL; | |
186 | (col + fwidth[i]) < COLS-1 && i < maxcols; i++) { | |
187 | cols++; | |
188 | if (col_hidden[i]) | |
189 | continue; | |
190 | col += fwidth[i]; | |
191 | } | |
192 | } | |
193 | while (stcol + cols - 1 < curcol || curcol < stcol) { | |
194 | FullUpdate++; | |
195 | if (stcol - 1 == curcol) { /* How about back one? */ | |
196 | stcol--; | |
197 | } else if (stcol + cols == curcol) { /* Forward one? */ | |
198 | stcol++; | |
199 | } else { | |
200 | /* Try to put the cursor in the center of the screen */ | |
201 | col = (COLS - RESCOL - fwidth[curcol]) / 2 + RESCOL; | |
202 | stcol = curcol; | |
203 | for (i=curcol-1; i >= 0 && col-fwidth[i] > RESCOL; i--) { | |
204 | stcol--; | |
205 | if (col_hidden[i]) | |
206 | continue; | |
207 | col -= fwidth[i]; | |
208 | } | |
209 | } | |
210 | /* Now pick up the counts again */ | |
211 | for (i = stcol, cols = 0, col = RESCOL; | |
212 | (col + fwidth[i]) < COLS-1 && i < maxcols; i++) { | |
213 | cols++; | |
214 | if (col_hidden[i]) | |
215 | continue; | |
216 | col += fwidth[i]; | |
217 | } | |
218 | } | |
219 | /* Now - same process on the rows */ | |
220 | if (strow <= currow) { | |
221 | for (i = strow, rows = 0, row=RESROW; row<LINES && i<maxrows; i++) { | |
222 | rows++; | |
223 | if (row_hidden[i]) | |
224 | continue; | |
225 | row++; | |
226 | } | |
227 | } | |
228 | while (strow + rows - 1 < currow || currow < strow) { | |
229 | FullUpdate++; | |
230 | if (strow - 1 == currow) { /* How about up one? */ | |
231 | strow--; | |
232 | } else if (strow + rows == currow) { /* Down one? */ | |
233 | strow++; | |
234 | } else { | |
235 | /* Try to put the cursor in the center of the screen */ | |
236 | row = (LINES - RESROW) / 2 + RESROW; | |
237 | strow = currow; | |
238 | for (i=currow-1; i >= 0 && row-1 > RESROW; i--) { | |
239 | strow--; | |
240 | if (row_hidden[i]) | |
241 | continue; | |
242 | row--; | |
243 | } | |
244 | } | |
245 | /* Now pick up the counts again */ | |
246 | for (i = strow, rows = 0, row=RESROW; row<LINES && i<maxrows; i++) { | |
247 | rows++; | |
248 | if (row_hidden[i]) | |
249 | continue; | |
250 | row++; | |
251 | } | |
252 | } | |
253 | mxcol = stcol + cols - 1; | |
254 | mxrow = strow + rows - 1; | |
255 | if (FullUpdate || standlast) { | |
256 | (void) move(2, 0); | |
257 | (void) clrtobot(); | |
258 | (void) standout(); | |
259 | for (row=RESROW, i=strow; i <= mxrow; i++) { | |
260 | if (row_hidden[i]) | |
261 | continue; | |
262 | (void) move(row,0); | |
263 | if (maxrows < 1000) | |
264 | (void) printw("%-*d", RESCOL-1, i); | |
265 | else | |
266 | (void) printw("%-*d", RESCOL, i); | |
267 | row++; | |
268 | } | |
269 | (void) move(2,0); | |
270 | (void) printw("%*s", RESCOL, " "); | |
271 | ||
272 | for (col=RESCOL, i = stcol; i <= mxcol; i++) { | |
273 | register int k; | |
274 | if (col_hidden[i]) | |
275 | continue; | |
276 | (void) move(2, col); | |
277 | k = fwidth[i]/2; | |
278 | if (k == 0) | |
279 | (void) printw("%1s", coltoa(i)); | |
280 | else | |
281 | (void) printw("%*s%-*s", k, " ", fwidth[i]-k, coltoa(i)); | |
282 | col += fwidth[i]; | |
283 | } | |
284 | (void) standend(); | |
285 | } | |
286 | ||
287 | /* Get rid of cursor standout on the cell at previous cursor position */ | |
288 | if (showcell) | |
289 | { (void) move(lastmx, lastmy); | |
290 | repaint(lastmx, lastmy, fwidth[lastcol]); | |
291 | } | |
292 | ||
293 | if (showrange) { | |
294 | minsr = showsr < currow ? showsr : currow; | |
295 | minsc = showsc < curcol ? showsc : curcol; | |
296 | maxsr = showsr > currow ? showsr : currow; | |
297 | maxsc = showsc > curcol ? showsc : curcol; | |
298 | ||
299 | if (showtop) { | |
300 | (void) move(1,0); | |
301 | (void) clrtoeol(); | |
302 | (void) printw("Default range: %s", | |
303 | r_name(minsr, minsc, maxsr, maxsc)); | |
304 | } | |
305 | } | |
306 | ||
307 | /* Repaint the visible screen */ | |
308 | if (showrange || anychanged || FullUpdate || standlast) | |
309 | { | |
310 | /* may be reset in loop, if not next time we will do a FullUpdate */ | |
311 | if (standlast) | |
312 | { FullUpdate = TRUE; | |
313 | standlast = FALSE; | |
314 | } | |
315 | for (row = strow, r = RESROW; row <= mxrow; row++) { | |
316 | register c = RESCOL; | |
317 | int do_stand = 0; | |
318 | int fieldlen; | |
319 | int nextcol; | |
320 | ||
321 | if (row_hidden[row]) | |
322 | continue; | |
323 | for (pp = ATBL(tbl, row, col = stcol); col <= mxcol; | |
324 | pp += nextcol - col, col = nextcol, c += fieldlen) { | |
325 | ||
326 | nextcol = col+1; | |
327 | if (col_hidden[col]) { | |
328 | fieldlen = 0; | |
329 | continue; | |
330 | } | |
331 | ||
332 | fieldlen = fwidth[col]; | |
333 | ||
334 | /* | |
335 | * Set standout if: | |
336 | * | |
337 | * - showing ranges, and not showing cells which need to be filled | |
338 | * in, and not showing cell expressions, and in a range, OR | |
339 | * | |
340 | * - if showing cells which need to be filled in and this one is | |
341 | * of that type (has a value and doesn't have an expression, | |
342 | * or it is a string expression), OR | |
343 | * | |
344 | * - if showing cells which have expressions and this one does. | |
345 | */ | |
346 | ||
347 | if ((showrange && (! showneed) && (! showexpr) | |
348 | && (row >= minsr) && (row <= maxsr) | |
349 | && (col >= minsc) && (col <= maxsc)) | |
350 | || (showneed && (*pp) && ((*pp) -> flags & is_valid) | |
351 | && (((*pp) -> flags & is_strexpr) || !((*pp) -> expr))) | |
352 | || (showexpr && (*pp) && ((*pp) -> expr))) | |
353 | { | |
354 | (void) move(r, c); | |
355 | (void) standout(); | |
356 | standlast++; | |
357 | if (!*pp) /* no cell, but standing out */ | |
358 | { (void) printw("%*s", fwidth[col], " "); | |
359 | (void) standend(); | |
360 | continue; | |
361 | } | |
362 | else | |
363 | do_stand = 1; | |
364 | } | |
365 | else | |
366 | do_stand = 0; | |
367 | ||
368 | if ((*pp) && ((*pp) -> flags & is_changed || FullUpdate) || do_stand) { | |
369 | if (do_stand) { | |
370 | (*pp) -> flags |= is_changed; | |
371 | } else { | |
372 | (void) move(r, c); | |
373 | (*pp) -> flags &= ~is_changed; | |
374 | } | |
375 | ||
376 | /* | |
377 | * Show expression; takes priority over other displays: | |
378 | */ | |
379 | ||
380 | if (showexpr && ((*pp) -> expr)) { | |
381 | linelim = 0; | |
382 | editexp(row, col); /* set line to expr */ | |
383 | linelim = -1; | |
384 | showstring(line, /* leftflush = */ 1, /* hasvalue = */ 0, | |
385 | row, col, & nextcol, mxcol, & fieldlen, r, c); | |
386 | } | |
387 | else { | |
388 | ||
389 | /* | |
390 | * Show cell's numeric value: | |
391 | */ | |
392 | ||
393 | if ((*pp) -> flags & is_valid) { | |
394 | char field[FBUFLEN]; | |
395 | (void)sprintf(field,"%*.*f", fwidth[col], precision[col], (*pp)->v); | |
396 | if(strlen(field) > fwidth[col]) { | |
397 | for(i = 0; i<fwidth[col]; i++) | |
398 | (void)addch('*'); | |
399 | } else { | |
400 | (void)addstr(field); | |
401 | } | |
402 | } | |
403 | ||
404 | /* | |
405 | * Show cell's label string: | |
406 | */ | |
407 | ||
408 | if ((*pp) -> label) { | |
409 | showstring((*pp) -> label, | |
410 | (*pp) -> flags & is_leftflush, | |
411 | (*pp) -> flags & is_valid, | |
412 | row, col, & nextcol, mxcol, | |
413 | & fieldlen, r, c); | |
414 | } | |
415 | else /* repaint a blank cell: */ | |
416 | if ((do_stand || !FullUpdate) && | |
417 | ((*pp)->flags & is_changed) && | |
418 | !((*pp)->flags & is_valid) && !(*pp)->label) { | |
419 | (void) printw("%*s", fwidth[col], " "); | |
420 | } | |
421 | } /* else */ | |
422 | ||
423 | if (do_stand) { | |
424 | (void) standend(); | |
425 | do_stand = 0; | |
426 | } | |
427 | } | |
428 | } | |
429 | r++; | |
430 | } | |
431 | } | |
432 | ||
433 | (void) move(lastmy, lastmx+fwidth[lastcol]); | |
434 | if((inch() & A_CHARTEXT ) == '<') | |
435 | (void) addstr(under_cursor); | |
436 | ||
437 | lastmy = RESROW; | |
438 | for (row = strow; row < currow; row++) | |
439 | if (!row_hidden[row]) | |
440 | lastmy += 1; | |
441 | lastmx = RESCOL; | |
442 | for (col = stcol; col < curcol; col++) | |
443 | if (!col_hidden[col]) | |
444 | lastmx += fwidth[col]; | |
445 | lastcol = curcol; | |
446 | if (showcell && (! showneed) && (! showexpr)) { | |
447 | (void) move(lastmy, lastmx); | |
448 | (void) standout(); | |
449 | repaint(lastmx, lastmy, fwidth[lastcol]); | |
450 | (void) standend(); | |
451 | } | |
452 | (void) move(lastmy, lastmx+fwidth[lastcol]); | |
453 | *under_cursor = (inch() & A_CHARTEXT ); | |
454 | (void) addstr("<"); | |
455 | ||
456 | (void) move(0, 0); | |
457 | (void) clrtoeol(); | |
458 | if (linelim >= 0) { | |
459 | (void) addch(mode_ind); | |
460 | (void) addstr("> "); | |
461 | (void) addstr(line); | |
462 | (void) move(0, linelim+3); | |
463 | } else { | |
464 | if (showtop) { /* show top line */ | |
465 | register struct ent *p1; | |
466 | int printed = 0; /* printed something? */ | |
467 | ||
468 | (void) printw("%s%d ", coltoa(curcol), currow); | |
469 | ||
470 | if (p1 = *ATBL(tbl, currow, curcol)) { | |
471 | if (p1 -> expr) { | |
472 | /* has expr of some type */ | |
473 | linelim = 0; | |
474 | editexp(currow, curcol); /* set line to expr */ | |
475 | linelim = -1; | |
476 | } | |
477 | ||
478 | /* | |
479 | * Display string part of cell: | |
480 | */ | |
481 | ||
482 | if ((p1 -> expr) && (p1 -> flags & is_strexpr)) { | |
483 | (void) addstr((p1 -> flags & is_leftflush) ? "<{" : ">{"); | |
484 | (void) addstr(line); | |
485 | (void) addstr("} "); /* and this '}' is for vi % */ | |
486 | printed = 1; | |
487 | ||
488 | } else if (p1 -> label) { | |
489 | /* has constant label only */ | |
490 | (void) addstr ((p1 -> flags & is_leftflush) ? "<\"" : ">\""); | |
491 | (void) addstr (p1 -> label); | |
492 | (void) addstr ("\" "); | |
493 | printed = 1; | |
494 | } | |
495 | ||
496 | /* | |
497 | * Display value part of cell: | |
498 | */ | |
499 | ||
500 | if (p1 -> flags & is_valid) { | |
501 | /* has value or num expr */ | |
502 | if ((! (p1 -> expr)) || (p1 -> flags & is_strexpr)) | |
503 | (void) sprintf (line, "%.15g", p1 -> v); | |
504 | ||
505 | (void) addstr ("["); | |
506 | (void) addstr (line); | |
507 | (void) addstr ("]"); | |
508 | printed = 1; | |
509 | } | |
510 | } | |
511 | if (! printed) | |
512 | (void) addstr ("[]"); | |
513 | } | |
514 | (void) move (lastmy, lastmx + fwidth[lastcol]); | |
515 | } | |
516 | if (revmsg[0]) { | |
517 | (void) move(0, 0); | |
518 | (void) clrtoeol (); /* get rid of topline display */ | |
519 | (void) printw(revmsg); | |
520 | revmsg[0] = '\0'; /* don't show it again */ | |
521 | (void) move (lastmy, lastmx + fwidth[lastcol]); | |
522 | } | |
523 | FullUpdate = FALSE; | |
524 | } | |
525 | ||
526 | void | |
527 | repaint(x, y, len) | |
528 | int x, y, len; | |
529 | { | |
530 | int c; | |
531 | ||
532 | while(len-- > 0) { | |
533 | (void) move(y,x); | |
534 | c = inch() & A_CHARTEXT; | |
535 | (void) addch(c); | |
536 | x++; | |
537 | } | |
538 | } | |
539 | ||
540 | char *progname; | |
541 | ||
542 | int | |
543 | main (argc, argv) | |
544 | int argc; | |
545 | char **argv; | |
546 | { | |
547 | int inloop = 1; | |
548 | register int c; | |
549 | int edistate = -1; | |
550 | int arg = 1; | |
551 | int narg; | |
552 | int nedistate; | |
553 | int running; | |
554 | char *revi; | |
555 | int anychanged = FALSE; | |
556 | ||
557 | /* | |
558 | * Keep command line options around until the file is read so the | |
559 | * command line overrides file options | |
560 | */ | |
561 | ||
562 | int Mopt = 0; | |
563 | int Nopt = 0; | |
564 | int Copt = 0; | |
565 | int Ropt = 0; | |
566 | ||
567 | int tempx, tempy; /* Temp versions of curx, cury */ | |
568 | ||
569 | if ((revi = strrchr(argv[0], '/')) != NULL) | |
570 | progname = revi+1; | |
571 | else | |
572 | progname = argv[0]; | |
573 | ||
574 | while (argc > 1 && argv[1][0] == '-') { | |
575 | argv++; | |
576 | argc--; | |
577 | switch (argv[0][1]) { | |
578 | case 'x': | |
579 | #ifdef VMS | |
580 | (void) fprintf(stderr, "Crypt not available for VMS\n"); | |
581 | exit(1); | |
582 | #else | |
583 | Crypt = 1; | |
584 | #endif | |
585 | break; | |
586 | case 'm': | |
587 | Mopt = 1; | |
588 | break; | |
589 | case 'n': | |
590 | Nopt = 1; | |
591 | break; | |
592 | case 'c': | |
593 | Copt = 1; | |
594 | break; | |
595 | case 'r': | |
596 | Ropt = 1; | |
597 | break; | |
598 | default: | |
599 | (void) fprintf(stderr,"%s: unrecognized option: \"%c\"\n", | |
600 | progname,argv[0][1]); | |
601 | exit(1); | |
602 | } | |
603 | } | |
604 | ||
605 | *curfile ='\0'; | |
606 | ||
607 | signals(); | |
608 | (void) initscr(); | |
609 | ||
610 | /* setup the spreadsheet arrays, initscr() will get the screen size */ | |
611 | if (!growtbl(GROWNEW, 0, 0)) | |
612 | { endwin(); | |
613 | exit(1); | |
614 | } | |
615 | ||
616 | (void) clear(); | |
617 | #ifdef VMS | |
618 | VMS_read_raw = 1; | |
619 | #else | |
620 | nonl(); | |
621 | noecho (); | |
622 | cbreak(); | |
623 | #endif | |
624 | initkbd(); | |
625 | scrollok(stdscr, 1); | |
626 | ||
627 | /* | |
628 | * Build revision message for later use: | |
629 | */ | |
630 | ||
631 | (void) strcpy (revmsg, progname); | |
632 | for (revi = rev; (*revi++) != ':'; ); /* copy after colon */ | |
633 | (void) strcat (revmsg, revi); | |
634 | revmsg [strlen (revmsg) - 2] = 0; /* erase last character */ | |
635 | (void) strcat (revmsg, ": Type '?' for help."); | |
636 | ||
637 | if (argc > 1) { | |
638 | (void) strcpy(curfile,argv[1]); | |
639 | readfile (argv[1], 0); | |
640 | } | |
641 | ||
642 | if (Mopt) | |
643 | autocalc = 0; | |
644 | if (Nopt) | |
645 | numeric = 1; | |
646 | if (Copt) | |
647 | calc_order = BYCOLS; | |
648 | if (Ropt) | |
649 | calc_order = BYROWS; | |
650 | ||
651 | modflg = 0; | |
652 | #ifdef VENIX | |
653 | setbuf (stdin, NULL); | |
654 | #endif | |
655 | FullUpdate++; | |
656 | while (inloop) { running = 1; | |
657 | while (running) { | |
658 | nedistate = -1; | |
659 | narg = 1; | |
660 | if (edistate < 0 && linelim < 0 && autocalc && (changed || FullUpdate)) | |
661 | { EvalAll (); | |
662 | if (changed) /* if EvalAll changed or was before */ | |
663 | anychanged = TRUE; | |
664 | changed = 0; | |
665 | } | |
666 | else /* any cells change? */ | |
667 | if (changed) | |
668 | anychanged = TRUE; | |
669 | ||
670 | update(anychanged); | |
671 | anychanged = FALSE; | |
672 | #ifndef SYSV3 | |
673 | (void) refresh(); /* 5.3 does a refresh in getch */ | |
674 | #endif | |
675 | c = nmgetch(); | |
676 | getyx(stdscr, tempy, tempx); | |
677 | (void) move (1, 0); | |
678 | (void) clrtoeol (); | |
679 | (void) move(tempy, tempx); | |
680 | (void) fflush (stdout); | |
681 | seenerr = 0; | |
682 | showneed = 0; /* reset after each update */ | |
683 | showexpr = 0; | |
684 | ||
685 | /* if ((c < ' ') || ( c == DEL )) how about international here ? PB */ | |
686 | if ( iscntrl(c) ) | |
687 | switch (c) { | |
688 | #ifdef SIGTSTP | |
689 | case ctl('z'): | |
690 | (void) deraw(); | |
691 | (void) kill(0, SIGTSTP); /* Nail process group */ | |
692 | ||
693 | /* the pc stops here */ | |
694 | ||
695 | (void) goraw(); | |
696 | break; | |
697 | #endif | |
698 | case ctl('r'): | |
699 | showneed = 1; | |
700 | case ctl('l'): | |
701 | FullUpdate++; | |
702 | (void) clearok(stdscr,1); | |
703 | break; | |
704 | case ctl('x'): | |
705 | FullUpdate++; | |
706 | showexpr = 1; | |
707 | (void) clearok(stdscr,1); | |
708 | break; | |
709 | default: | |
710 | error ("No such command (^%c)", c + 0100); | |
711 | break; | |
712 | case ctl('b'): | |
713 | backcol(arg); | |
714 | break; | |
715 | case ctl('c'): | |
716 | running = 0; | |
717 | break; | |
718 | ||
719 | case ctl('e'): | |
720 | ||
721 | switch (nmgetch()) { | |
722 | case ctl('p'): case 'k': doend (-1, 0); break; | |
723 | case ctl('n'): case 'j': doend ( 1, 0); break; | |
724 | case ctl('b'): case 'h': | |
725 | case ctl('h'): doend ( 0,-1); break; | |
726 | case ctl('f'): case 'l': | |
727 | case ctl('i'): case ' ': doend ( 0, 1); break; | |
728 | ||
729 | case ESC: | |
730 | case ctl('g'): | |
731 | break; | |
732 | ||
733 | default: | |
734 | error("Invalid ^E command"); | |
735 | break; | |
736 | } | |
737 | ||
738 | break; | |
739 | ||
740 | case ctl('f'): | |
741 | forwcol(arg); | |
742 | break; | |
743 | ||
744 | case ctl('g'): | |
745 | showrange = 0; | |
746 | linelim = -1; | |
747 | (void) move (1, 0); | |
748 | (void) clrtoeol (); | |
749 | break; | |
750 | ||
751 | case ESC: /* ctl('[') */ | |
752 | write_line(ESC); | |
753 | break; | |
754 | ||
755 | case ctl('d'): | |
756 | write_line(ctl('d')); | |
757 | break; | |
758 | ||
759 | case DEL: | |
760 | case ctl('h'): | |
761 | if (linelim < 0) { /* not editing line */ | |
762 | backcol(arg); /* treat like ^B */ | |
763 | break; | |
764 | } | |
765 | write_line(ctl('h')); | |
766 | break; | |
767 | ||
768 | case ctl('i'): /* tab */ | |
769 | if (linelim < 0) { /* not editing line */ | |
770 | forwcol(arg); | |
771 | break; | |
772 | } | |
773 | if (!showrange) { | |
774 | startshow(); | |
775 | } else { | |
776 | showdr(); | |
777 | linelim = strlen(line); | |
778 | line[linelim++] = ' '; | |
779 | line[linelim] = 0; | |
780 | showrange = 0; | |
781 | } | |
782 | linelim = strlen (line); | |
783 | break; | |
784 | ||
785 | case ctl('m'): | |
786 | case ctl('j'): | |
787 | write_line(ctl('m')); | |
788 | break; | |
789 | ||
790 | case ctl('n'): | |
791 | forwrow(arg); | |
792 | break; | |
793 | ||
794 | case ctl('p'): | |
795 | backrow(arg); | |
796 | break; | |
797 | ||
798 | case ctl('q'): | |
799 | break; /* ignore flow control */ | |
800 | ||
801 | case ctl('s'): | |
802 | break; /* ignore flow control */ | |
803 | ||
804 | case ctl('t'): | |
805 | error( | |
806 | "Toggle: a:auto c:cell e:ext funcs n:numeric t:top x:encrypt $:pre-scale"); | |
807 | (void) refresh(); | |
808 | ||
809 | switch (nmgetch()) { | |
810 | case 'a': case 'A': | |
811 | case 'm': case 'M': | |
812 | autocalc ^= 1; | |
813 | error("Automatic recalculation %sabled.", | |
814 | autocalc ? "en":"dis"); | |
815 | break; | |
816 | case 'n': case 'N': | |
817 | numeric = (! numeric); | |
818 | error ("Numeric input %sabled.", | |
819 | numeric ? "en" : "dis"); | |
820 | break; | |
821 | case 't': case 'T': | |
822 | showtop = (! showtop); | |
823 | repaint(lastmx, lastmy, fwidth[lastcol]); | |
824 | error ("Top line %sabled.", showtop ? "en" : "dis"); | |
825 | break; | |
826 | case 'c': case 'C': | |
827 | showcell = (! showcell); | |
828 | repaint(lastmx, lastmy, fwidth[lastcol]); | |
829 | error ("Cell highlighting %sabled.", | |
830 | showcell ? "en" : "dis"); | |
831 | break; | |
832 | case 'x': case 'X': | |
833 | Crypt = (! Crypt); | |
834 | error ("Encryption %sabled.", Crypt? "en" : "dis"); | |
835 | break; | |
836 | case '$': | |
837 | if (prescale == 1.0) { | |
838 | error ("Prescale enabled."); | |
839 | prescale = 0.01; | |
840 | } else { | |
841 | prescale = 1.0; | |
842 | error ("Prescale disabled."); | |
843 | } | |
844 | break; | |
845 | case 'e': case 'E': | |
846 | extfunc = (! extfunc); | |
847 | error ("External functions %sabled.", | |
848 | extfunc? "en" : "dis"); | |
849 | break; | |
850 | case ESC: | |
851 | case ctl('g'): | |
852 | --modflg; /* negate the modflg++ */ | |
853 | break; | |
854 | default: | |
855 | error ("Invalid toggle command"); | |
856 | --modflg; /* negate the modflg++ */ | |
857 | } | |
858 | FullUpdate++; | |
859 | modflg++; | |
860 | break; | |
861 | ||
862 | case ctl('u'): | |
863 | narg = arg * 4; | |
864 | nedistate = 1; | |
865 | break; | |
866 | ||
867 | case ctl('v'): /* insert variable name */ | |
868 | if (linelim > 0) | |
869 | ins_string(v_name(currow, curcol)); | |
870 | break; | |
871 | ||
872 | case ctl('w'): /* insert variable expression */ | |
873 | if (linelim > 0) { | |
874 | char *temp, *temp1; | |
875 | int templim; | |
876 | ||
877 | temp = strcpy(xmalloc((unsigned)(strlen(line)+1)),line); | |
878 | templim = linelim; | |
879 | editexp(currow,curcol); | |
880 | temp1= strcpy(xmalloc((unsigned)(strlen(line)+1)),line); | |
881 | strcpy(line, temp); | |
882 | linelim = templim; | |
883 | ins_string(temp1); | |
884 | xfree(temp); | |
885 | xfree(temp1); | |
886 | } | |
887 | break; | |
888 | ||
889 | case ctl('a'): /* insert variable value */ | |
890 | if (linelim > 0) { | |
891 | struct ent *p = *ATBL(tbl, currow, curcol); | |
892 | char temp[100]; | |
893 | ||
894 | if (p && p -> flags & is_valid) { | |
895 | (void) sprintf (temp, "%.*f", | |
896 | precision[curcol],p -> v); | |
897 | ins_string(temp); | |
898 | } | |
899 | } | |
900 | break; | |
901 | ||
902 | } /* End of the control char switch stmt */ | |
903 | else if (isdigit(c) && ((numeric && edistate >= 0) || | |
904 | (!numeric && (linelim < 0 || edistate >= 0)))) { | |
905 | /* we got a leading number */ | |
906 | if (edistate != 0) { | |
907 | /* First char of the count */ | |
908 | if (c == '0') /* just a '0' goes to left col */ | |
909 | curcol = 0; | |
910 | else { | |
911 | nedistate = 0; | |
912 | narg = c - '0'; | |
913 | } | |
914 | } else { | |
915 | /* Succeeding count chars */ | |
916 | nedistate = 0; | |
917 | narg = arg * 10 + (c - '0'); | |
918 | } | |
919 | } else if (linelim >= 0) { | |
920 | /* Editing line */ | |
921 | switch(c) { | |
922 | case ')': | |
923 | if (showrange) { | |
924 | showdr(); | |
925 | showrange = 0; | |
926 | linelim = strlen (line); | |
927 | } | |
928 | break; | |
929 | default: | |
930 | break; | |
931 | } | |
932 | write_line(c); | |
933 | ||
934 | } else if (!numeric && ( c == '+' || c == '-' ) ) { | |
935 | /* increment/decrement ops */ | |
936 | register struct ent *p = *ATBL(tbl, currow, curcol); | |
937 | if (!p) | |
938 | continue; | |
939 | if (p->expr && !(p->flags & is_strexpr)) { | |
940 | error("Can't increment/decrement a formula\n"); | |
941 | continue; | |
942 | } | |
943 | FullUpdate++; | |
944 | modflg++; | |
945 | if( c == '+' ) | |
946 | p -> v += (double) arg; | |
947 | else | |
948 | p -> v -= (double) arg; | |
949 | } else | |
950 | /* switch on a normal command character */ | |
951 | switch (c) { | |
952 | case ':': | |
953 | break; /* Be nice to vi users */ | |
954 | ||
955 | case '@': | |
956 | EvalAll (); | |
957 | changed = 0; | |
958 | anychanged = TRUE; | |
959 | break; | |
960 | ||
961 | case '0': case '1': case '2': case '3': case '4': | |
962 | case '5': case '6': case '7': case '8': case '9': | |
963 | case '-': case '.': case '+': | |
964 | (void) sprintf(line,"let %s = %c", | |
965 | v_name(currow, curcol), c); | |
966 | linelim = strlen (line); | |
967 | insert_mode(); | |
968 | break; | |
969 | ||
970 | case '=': | |
971 | (void) sprintf(line,"let %s = ", | |
972 | v_name(currow, curcol)); | |
973 | linelim = strlen (line); | |
974 | insert_mode(); | |
975 | break; | |
976 | ||
977 | case '!': | |
978 | { | |
979 | /* | |
980 | * "! command" executes command | |
981 | * "!" forks a shell | |
982 | * "!!" repeats last command | |
983 | */ | |
984 | #ifdef VMS | |
985 | error("Not implemented on VMS"); | |
986 | #else /* VMS */ | |
987 | char *shl; | |
988 | int pid, temp; | |
989 | char cmd[MAXCMD]; | |
990 | static char lastcmd[MAXCMD]; | |
991 | ||
992 | if (!(shl = getenv("SHELL"))) | |
993 | shl = "/bin/sh"; | |
994 | ||
995 | deraw(); | |
996 | (void) fputs("! ", stdout); | |
997 | (void) fflush(stdout); | |
998 | (void) fgets(cmd, MAXCMD, stdin); | |
999 | cmd[strlen(cmd) - 1] = '\0'; /* clobber \n */ | |
1000 | if(strcmp(cmd,"!") == 0) /* repeat? */ | |
1001 | (void) strcpy(cmd, lastcmd); | |
1002 | else | |
1003 | (void) strcpy(lastcmd, cmd); | |
1004 | ||
1005 | if (modflg) | |
1006 | { | |
1007 | (void) puts ("[No write since last change]"); | |
1008 | (void) fflush (stdout); | |
1009 | } | |
1010 | ||
1011 | if (!(pid = fork())) | |
1012 | { | |
1013 | (void) signal (SIGINT, SIG_DFL); /* reset */ | |
1014 | if(strlen(cmd)) | |
1015 | (void)execl(shl,shl,"-c",cmd,(char *)0); | |
1016 | else | |
1017 | (void) execl(shl, shl, (char *)0); | |
1018 | exit(-127); | |
1019 | } | |
1020 | ||
1021 | while (pid != wait(&temp)); | |
1022 | ||
1023 | (void) printf("Press RETURN to continue "); | |
1024 | (void)nmgetch(); | |
1025 | goraw(); | |
1026 | #endif /* VMS */ | |
1027 | break; | |
1028 | } | |
1029 | ||
1030 | /* | |
1031 | * Range commands: | |
1032 | */ | |
1033 | ||
1034 | case '/': | |
1035 | error ( | |
1036 | "Range: x:erase v:value c:copy f:fill d:define s:show u:undefine"); | |
1037 | (void) refresh(); | |
1038 | ||
1039 | switch (nmgetch()) { | |
1040 | case 'c': | |
1041 | (void) sprintf(line,"copy [dest_range src_range] "); | |
1042 | linelim = strlen(line); | |
1043 | startshow(); | |
1044 | insert_mode(); | |
1045 | break; | |
1046 | case 'x': | |
1047 | (void) sprintf(line,"erase [range] "); | |
1048 | linelim = strlen(line); | |
1049 | startshow(); | |
1050 | insert_mode(); | |
1051 | break; | |
1052 | case 'v': | |
1053 | (void) sprintf(line, "value [range] "); | |
1054 | linelim = strlen(line); | |
1055 | startshow(); | |
1056 | insert_mode(); | |
1057 | break; | |
1058 | case 'f': | |
1059 | (void) sprintf(line,"fill [range start inc] "); | |
1060 | linelim = strlen(line); | |
1061 | startshow(); | |
1062 | insert_mode(); | |
1063 | break; | |
1064 | case 'd': | |
1065 | (void) sprintf(line,"define [string range] \""); | |
1066 | linelim = strlen(line); | |
1067 | startshow(); | |
1068 | insert_mode(); | |
1069 | modflg++; | |
1070 | break; | |
1071 | case 'u': | |
1072 | (void) sprintf(line,"undefine [range] "); | |
1073 | linelim = strlen(line); | |
1074 | insert_mode(); | |
1075 | modflg++; | |
1076 | break; | |
1077 | case 's': | |
1078 | if(are_ranges()) | |
1079 | { | |
1080 | FILE *f; | |
1081 | int pid; | |
1082 | char px[MAXCMD] ; | |
1083 | char *pager; | |
1084 | ||
1085 | (void) strcpy(px, "| sort | "); | |
1086 | if(!(pager = getenv("PAGER"))) | |
1087 | pager = DFLT_PAGER; | |
1088 | (void) strcat(px,pager); | |
1089 | f = openout(px, &pid); | |
1090 | if (!f) { | |
1091 | error("Can't open pipe to sort"); | |
1092 | break; | |
1093 | } | |
1094 | list_range(f); | |
1095 | closeout(f, pid); | |
1096 | } | |
1097 | else error("No ranges defined"); | |
1098 | break; | |
1099 | ||
1100 | case ESC: | |
1101 | case ctl('g'): | |
1102 | break; | |
1103 | default: | |
1104 | error("Invalid region command"); | |
1105 | break; | |
1106 | } | |
1107 | break; | |
1108 | ||
1109 | /* | |
1110 | * Row/column commands: | |
1111 | */ | |
1112 | ||
1113 | case 'i': | |
1114 | case 'a': | |
1115 | case 'd': | |
1116 | case 'p': | |
1117 | case 'v': | |
1118 | case 'z': | |
1119 | case 's': | |
1120 | { | |
1121 | register rcqual; | |
1122 | ||
1123 | if (! (rcqual = get_rcqual (c))) { | |
1124 | error ("Invalid row/column command"); | |
1125 | break; | |
1126 | } | |
1127 | ||
1128 | error (""); /* clear line */ | |
1129 | ||
1130 | if ( rcqual == ESC || rcqual == ctl('g')) | |
1131 | break; | |
1132 | ||
1133 | switch (c) { | |
1134 | ||
1135 | case 'i': | |
1136 | if (rcqual == 'r') insertrow(arg); | |
1137 | else opencol(curcol, arg); | |
1138 | break; | |
1139 | ||
1140 | case 'a': | |
1141 | if (rcqual == 'r') while (arg--) duprow(); | |
1142 | else while (arg--) dupcol(); | |
1143 | break; | |
1144 | ||
1145 | case 'd': | |
1146 | if (rcqual == 'r') deleterow(arg); | |
1147 | else closecol(curcol, arg); | |
1148 | break; | |
1149 | ||
1150 | case 'p': | |
1151 | while (arg--) pullcells(rcqual); | |
1152 | break; | |
1153 | ||
1154 | case 'v': | |
1155 | if (rcqual == 'r') rowvalueize(arg); | |
1156 | else colvalueize(arg); | |
1157 | modflg = 1; | |
1158 | break; | |
1159 | ||
1160 | case 'z': | |
1161 | if (rcqual == 'r') hiderow(arg); | |
1162 | else hidecol(arg); | |
1163 | break; | |
1164 | ||
1165 | case 's': | |
1166 | /* special case; no repeat count */ | |
1167 | ||
1168 | if (rcqual == 'r') rowshow_op(); | |
1169 | else colshow_op(); | |
1170 | break; | |
1171 | } | |
1172 | break; | |
1173 | } | |
1174 | ||
1175 | case '$': | |
1176 | { | |
1177 | register struct ent *p; | |
1178 | ||
1179 | curcol = maxcols - 1; | |
1180 | while (!VALID_CELL(p, currow, curcol) && curcol > 0) | |
1181 | curcol--; | |
1182 | break; | |
1183 | } | |
1184 | case '#': | |
1185 | { | |
1186 | register struct ent *p; | |
1187 | ||
1188 | currow = maxrows - 1; | |
1189 | while (!VALID_CELL(p, currow, curcol) && currow > 0) | |
1190 | currow--; | |
1191 | break; | |
1192 | } | |
1193 | case 'w': | |
1194 | { | |
1195 | register struct ent *p; | |
1196 | ||
1197 | while (--arg>=0) { | |
1198 | do { | |
1199 | if (curcol < maxcols - 1) | |
1200 | curcol++; | |
1201 | else { | |
1202 | if (currow < maxrows - 1) { | |
1203 | while(++currow < maxrows - 1 && | |
1204 | row_hidden[currow]) /* */; | |
1205 | curcol = 0; | |
1206 | } else { | |
1207 | error("At end of table"); | |
1208 | break; | |
1209 | } | |
1210 | } | |
1211 | } while(col_hidden[curcol] || | |
1212 | !VALID_CELL(p, currow, curcol)); | |
1213 | } | |
1214 | break; | |
1215 | } | |
1216 | case 'b': | |
1217 | { | |
1218 | register struct ent *p; | |
1219 | ||
1220 | while (--arg>=0) { | |
1221 | do { | |
1222 | if (curcol) | |
1223 | curcol--; | |
1224 | else { | |
1225 | if (currow) { | |
1226 | while(--currow && | |
1227 | row_hidden[currow]) /* */; | |
1228 | curcol = maxcols - 1; | |
1229 | } else { | |
1230 | error ("At start of table"); | |
1231 | break; | |
1232 | } | |
1233 | } | |
1234 | } while(col_hidden[curcol] || | |
1235 | !VALID_CELL(p, currow, curcol)); | |
1236 | } | |
1237 | break; | |
1238 | } | |
1239 | case '^': | |
1240 | currow = 0; | |
1241 | break; | |
1242 | case '?': | |
1243 | help(); | |
1244 | break; | |
1245 | case '"': | |
1246 | (void) sprintf (line, "label %s = \"", | |
1247 | v_name(currow, curcol)); | |
1248 | linelim = strlen (line); | |
1249 | insert_mode(); | |
1250 | break; | |
1251 | case '<': | |
1252 | (void) sprintf (line, "leftstring %s = \"", | |
1253 | v_name(currow, curcol)); | |
1254 | linelim = strlen (line); | |
1255 | insert_mode(); | |
1256 | break; | |
1257 | case '>': | |
1258 | (void) sprintf (line, "rightstring %s = \"", | |
1259 | v_name(currow, curcol)); | |
1260 | linelim = strlen (line); | |
1261 | insert_mode(); | |
1262 | break; | |
1263 | case 'e': | |
1264 | editv (currow, curcol); | |
1265 | edit_mode(); | |
1266 | break; | |
1267 | case 'E': | |
1268 | edits (currow, curcol); | |
1269 | edit_mode(); | |
1270 | break; | |
1271 | case 'f': | |
1272 | if (arg == 1) | |
1273 | (void) sprintf (line, "format [for column] %s ", | |
1274 | coltoa(curcol)); | |
1275 | else { | |
1276 | (void) sprintf(line, "format [for columns] %s:", | |
1277 | coltoa(curcol)); | |
1278 | (void) sprintf(line+strlen(line), "%s ", | |
1279 | coltoa(curcol+arg-1)); | |
1280 | } | |
1281 | error("Current format is %d %d", | |
1282 | fwidth[curcol],precision[curcol]); | |
1283 | linelim = strlen (line); | |
1284 | insert_mode(); | |
1285 | break; | |
1286 | case 'g': | |
1287 | (void) sprintf (line, "goto [v] "); | |
1288 | linelim = strlen (line); | |
1289 | insert_mode(); | |
1290 | break; | |
1291 | case 'P': | |
1292 | (void) sprintf (line, "put [\"dest\" range] \""); | |
1293 | if (*curfile) | |
1294 | error ("Default path is \"%s\"",curfile); | |
1295 | linelim = strlen (line); | |
1296 | insert_mode(); | |
1297 | break; | |
1298 | case 'M': | |
1299 | (void) sprintf (line, "merge [\"source\"] \""); | |
1300 | linelim = strlen (line); | |
1301 | insert_mode(); | |
1302 | break; | |
1303 | case 'R': | |
1304 | if (mdir) | |
1305 | (void) sprintf (line,"merge [\"macro_file\"] \"%s/", mdir); | |
1306 | else | |
1307 | (void) sprintf (line,"merge [\"macro_file\"] \""); | |
1308 | linelim = strlen (line); | |
1309 | insert_mode(); | |
1310 | break; | |
1311 | case 'D': | |
1312 | (void) sprintf (line, "mdir [\"macro_directory\"] \""); | |
1313 | linelim = strlen (line); | |
1314 | insert_mode(); | |
1315 | break; | |
1316 | case 'G': | |
1317 | (void) sprintf (line, "get [\"source\"] \""); | |
1318 | if (*curfile) | |
1319 | error ("Default file is \"%s\"",curfile); | |
1320 | linelim = strlen (line); | |
1321 | insert_mode(); | |
1322 | break; | |
1323 | case 'W': | |
1324 | (void) sprintf (line, "write [\"dest\" range] \""); | |
1325 | linelim = strlen (line); | |
1326 | insert_mode(); | |
1327 | break; | |
1328 | case 'S': /* set options */ | |
1329 | (void) sprintf (line, "set "); | |
1330 | error("Options: byrows, bycols, iterations=n, tblstyle=(0|tbl|latex|tex)"); | |
1331 | linelim = strlen (line); | |
1332 | insert_mode(); | |
1333 | break; | |
1334 | case 'T': /* tbl output */ | |
1335 | (void) sprintf (line, "tbl [\"dest\" range] \""); | |
1336 | linelim = strlen (line); | |
1337 | insert_mode(); | |
1338 | break; | |
1339 | case 'x': | |
1340 | { | |
1341 | register struct ent **pp; | |
1342 | register int c1; | |
1343 | ||
1344 | flush_saved(); | |
1345 | if(calc_order == BYROWS) { | |
1346 | for (c1 = curcol; arg-- && c1 < maxcols; c1++) { | |
1347 | pp = ATBL(tbl, currow, c1); | |
1348 | if (*pp) { | |
1349 | free_ent(*pp); | |
1350 | *pp = (struct ent *)0; | |
1351 | } | |
1352 | } | |
1353 | } | |
1354 | else { | |
1355 | for (c1 = currow; arg-- && c1 < maxrows; c1++) { | |
1356 | pp = ATBL(tbl, c1, curcol); | |
1357 | if (*pp) { | |
1358 | free_ent(*pp); | |
1359 | *pp = (struct ent *)0; | |
1360 | } | |
1361 | } | |
1362 | } | |
1363 | sync_refs(); | |
1364 | modflg++; | |
1365 | FullUpdate++; | |
1366 | } | |
1367 | break; | |
1368 | case 'Q': | |
1369 | case 'q': | |
1370 | running = 0; | |
1371 | break; | |
1372 | case 'h': | |
1373 | backcol(arg); | |
1374 | break; | |
1375 | case 'j': | |
1376 | forwrow(arg); | |
1377 | break; | |
1378 | case 'k': | |
1379 | backrow(arg); | |
1380 | break; | |
1381 | case ' ': | |
1382 | case 'l': | |
1383 | forwcol(arg); | |
1384 | break; | |
1385 | case 'm': | |
1386 | savedrow = currow; | |
1387 | savedcol = curcol; | |
1388 | break; | |
1389 | case 'c': { | |
1390 | register struct ent *p = *ATBL(tbl, savedrow, savedcol); | |
1391 | register c1; | |
1392 | register struct ent *n; | |
1393 | if (!p) | |
1394 | break; | |
1395 | FullUpdate++; | |
1396 | modflg++; | |
1397 | for (c1 = curcol; arg-- && c1 < maxcols; c1++) { | |
1398 | n = lookat (currow, c1); | |
1399 | (void) clearent(n); | |
1400 | copyent( n, p, currow - savedrow, c1 - savedcol); | |
1401 | } | |
1402 | break; | |
1403 | } | |
1404 | default: | |
1405 | if ((toascii(c)) != c) | |
1406 | error ("Weird character, decimal %d\n", | |
1407 | (int) c); | |
1408 | else | |
1409 | error ("No such command (%c)", c); | |
1410 | break; | |
1411 | } | |
1412 | edistate = nedistate; | |
1413 | arg = narg; | |
1414 | } /* while (running) */ | |
1415 | inloop = modcheck(" before exiting"); | |
1416 | } /* while (inloop) */ | |
1417 | deraw(); | |
1418 | endwin(); | |
1419 | #ifdef VMS /* Unit VMS "fixes" exit we should say 1 here */ | |
1420 | exit(1); | |
1421 | #else | |
1422 | exit(0); | |
1423 | #endif | |
1424 | /*NOTREACHED*/ | |
1425 | } | |
1426 | ||
1427 | void | |
1428 | startshow() | |
1429 | { | |
1430 | showrange = 1; | |
1431 | showsr = currow; | |
1432 | showsc = curcol; | |
1433 | } | |
1434 | ||
1435 | void | |
1436 | showdr() | |
1437 | { | |
1438 | int minsr, minsc, maxsr, maxsc; | |
1439 | ||
1440 | minsr = showsr < currow ? showsr : currow; | |
1441 | minsc = showsc < curcol ? showsc : curcol; | |
1442 | maxsr = showsr > currow ? showsr : currow; | |
1443 | maxsc = showsc > curcol ? showsc : curcol; | |
1444 | (void) sprintf (line+linelim,"%s", r_name(minsr, minsc, maxsr, maxsc)); | |
1445 | } | |
1446 | ||
1447 | void | |
1448 | setorder(i) | |
1449 | int i; | |
1450 | { | |
1451 | if((i == BYROWS)||(i == BYCOLS)) | |
1452 | calc_order = i; | |
1453 | else | |
1454 | error("Not yet implemented"); | |
1455 | } | |
1456 | ||
1457 | void | |
1458 | setauto(i) | |
1459 | int i; | |
1460 | { | |
1461 | autocalc = i; | |
1462 | } | |
1463 | ||
1464 | ||
1465 | #ifdef VMS | |
1466 | ||
1467 | goraw() | |
1468 | { | |
1469 | VMS_read_raw = 1; | |
1470 | FullUpdate++; | |
1471 | } | |
1472 | ||
1473 | deraw() | |
1474 | { | |
1475 | (void) move (LINES - 1, 0); | |
1476 | (void) clrtoeol(); | |
1477 | (void) refresh(); | |
1478 | VMS_read_raw = 0; | |
1479 | } | |
1480 | ||
1481 | #else /* VMS */ | |
1482 | void | |
1483 | goraw() | |
1484 | { | |
1485 | #if SYSV2 || SYSV3 | |
1486 | fixterm(); | |
1487 | #else /* SYSV2 || SYSV3 */ | |
1488 | cbreak(); | |
1489 | nonl(); | |
1490 | noecho (); | |
1491 | #endif /* SYSV2 || SYSV3 */ | |
1492 | kbd_again(); | |
1493 | (void) clear(); | |
1494 | FullUpdate++; | |
1495 | } | |
1496 | ||
1497 | void | |
1498 | deraw() | |
1499 | { | |
1500 | (void) move (LINES - 1, 0); | |
1501 | (void) clrtoeol(); | |
1502 | (void) refresh(); | |
1503 | #if SYSV2 || SYSV3 | |
1504 | resetterm(); | |
1505 | #else | |
1506 | nocbreak(); | |
1507 | nl(); | |
1508 | echo(); | |
1509 | #endif | |
1510 | resetkbd(); | |
1511 | } | |
1512 | ||
1513 | #endif /* VMS */ | |
1514 | ||
1515 | void | |
1516 | signals() | |
1517 | { | |
1518 | #ifdef SIGVOID | |
1519 | void quit(); | |
1520 | void time_out(); | |
1521 | void dump_me(); | |
1522 | #else | |
1523 | int quit(); | |
1524 | int time_out(); | |
1525 | int dump_me(); | |
1526 | #endif | |
1527 | ||
1528 | (void) signal(SIGINT, SIG_IGN); | |
1529 | (void) signal(SIGQUIT, dump_me); | |
1530 | (void) signal(SIGPIPE, quit); | |
1531 | (void) signal(SIGTERM, quit); | |
1532 | (void) signal(SIGALRM, time_out); | |
1533 | (void) signal(SIGFPE, quit); | |
1534 | (void) signal(SIGBUS, quit); | |
1535 | } | |
1536 | ||
1537 | #ifdef SIGVOID | |
1538 | void | |
1539 | #endif | |
1540 | quit() | |
1541 | { | |
1542 | diesave(); | |
1543 | deraw(); | |
1544 | resetkbd(); | |
1545 | endwin(); | |
1546 | exit(1); | |
1547 | } | |
1548 | ||
1549 | #ifdef SIGVOID | |
1550 | void | |
1551 | #endif | |
1552 | dump_me() | |
1553 | { | |
1554 | diesave(); | |
1555 | deraw(); | |
1556 | abort(); | |
1557 | } | |
1558 | ||
1559 | /* try to save the current spreadsheet if we can */ | |
1560 | diesave() | |
1561 | { char path[PATHLEN]; | |
1562 | if (modcheck(" before Spreadsheet dies") == 1) | |
1563 | { sprintf(path, "~/SC.SAVE"); | |
1564 | if (writefile(path, 0, 0, maxrow, maxcol) < 0) | |
1565 | if (writefile("/tmp/SC.SAVE", 0, 0, maxrow, maxcol) < 0) | |
1566 | error("Couldn't save current spreadsheet, Sorry"); | |
1567 | } | |
1568 | } | |
1569 | ||
1570 | int | |
1571 | modcheck(endstr) | |
1572 | char *endstr; | |
1573 | { | |
1574 | if (modflg && curfile[0]) { | |
1575 | int yn_ans; | |
1576 | char lin[100]; | |
1577 | ||
1578 | (void) sprintf (lin,"File \"%s\" is modified, save%s? ",curfile,endstr); | |
1579 | if ((yn_ans = yn_ask(lin)) < 0) | |
1580 | return(1); | |
1581 | else | |
1582 | if (yn_ans == 1) | |
1583 | { if (writefile(curfile, 0, 0, maxrow, maxcol) < 0) | |
1584 | return (1); | |
1585 | } | |
1586 | } else if (modflg) { | |
1587 | int yn_ans; | |
1588 | ||
1589 | if ((yn_ans = yn_ask("Do you want a chance to save the data? ")) < 0) | |
1590 | return(1); | |
1591 | else | |
1592 | return(yn_ans); | |
1593 | } | |
1594 | return(0); | |
1595 | } |