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f5bcab4b WJ |
1 | /* input.c */ |
2 | ||
3 | /* Author: | |
4 | * Steve Kirkendall | |
5 | * 14407 SW Teal Blvd. #C | |
6 | * Beaverton, OR 97005 | |
7 | * kirkenda@cs.pdx.edu | |
8 | */ | |
9 | ||
10 | ||
11 | /* This file contains the input() function, which implements vi's INPUT mode. | |
12 | * It also contains the code that supports digraphs. | |
13 | */ | |
14 | ||
15 | #include "config.h" | |
16 | #include "ctype.h" | |
17 | #include "vi.h" | |
18 | ||
19 | ||
20 | #ifndef NO_DIGRAPH | |
21 | static struct _DIG | |
22 | { | |
23 | struct _DIG *next; | |
24 | char key1; | |
25 | char key2; | |
26 | char dig; | |
27 | char save; | |
28 | } *digs; | |
29 | ||
30 | char digraph(key1, key2) | |
31 | char key1; /* the underlying character */ | |
32 | char key2; /* the second character */ | |
33 | { | |
34 | int newkey; | |
35 | REG struct _DIG *dp; | |
36 | ||
37 | /* if digraphs are disabled, then just return the new char */ | |
38 | if (!*o_digraph) | |
39 | { | |
40 | return key2; | |
41 | } | |
42 | ||
43 | /* remember the new key, so we can return it if this isn't a digraph */ | |
44 | newkey = key2; | |
45 | ||
46 | /* sort key1 and key2, so that their original order won't matter */ | |
47 | if (key1 > key2) | |
48 | { | |
49 | key2 = key1; | |
50 | key1 = newkey; | |
51 | } | |
52 | ||
53 | /* scan through the digraph chart */ | |
54 | for (dp = digs; | |
55 | dp && (dp->key1 != key1 || dp->key2 != key2); | |
56 | dp = dp->next) | |
57 | { | |
58 | } | |
59 | ||
60 | /* if this combination isn't in there, just use the new key */ | |
61 | if (!dp) | |
62 | { | |
63 | return newkey; | |
64 | } | |
65 | ||
66 | /* else use the digraph key */ | |
67 | return dp->dig; | |
68 | } | |
69 | ||
70 | /* this function lists or defines digraphs */ | |
71 | void do_digraph(bang, extra) | |
72 | int bang; | |
73 | char extra[]; | |
74 | { | |
75 | int dig; | |
76 | REG struct _DIG *dp; | |
77 | struct _DIG *prev; | |
78 | static int user_defined = FALSE; /* boolean: are all later digraphs user-defined? */ | |
79 | char listbuf[8]; | |
80 | ||
81 | /* if "extra" is NULL, then we've reached the end of the built-ins */ | |
82 | if (!extra) | |
83 | { | |
84 | user_defined = TRUE; | |
85 | return; | |
86 | } | |
87 | ||
88 | /* if no args, then display the existing digraphs */ | |
89 | if (*extra < ' ') | |
90 | { | |
91 | listbuf[0] = listbuf[1] = listbuf[2] = listbuf[5] = ' '; | |
92 | listbuf[7] = '\0'; | |
93 | for (dig = 0, dp = digs; dp; dp = dp->next) | |
94 | { | |
95 | if (dp->save || bang) | |
96 | { | |
97 | dig += 7; | |
98 | if (dig >= COLS) | |
99 | { | |
100 | addch('\n'); | |
101 | exrefresh(); | |
102 | dig = 7; | |
103 | } | |
104 | listbuf[3] = dp->key1; | |
105 | listbuf[4] = dp->key2; | |
106 | listbuf[6] = dp->dig; | |
107 | qaddstr(listbuf); | |
108 | } | |
109 | } | |
110 | addch('\n'); | |
111 | exrefresh(); | |
112 | return; | |
113 | } | |
114 | ||
115 | /* make sure we have at least two characters */ | |
116 | if (!extra[1]) | |
117 | { | |
118 | msg("Digraphs must be composed of two characters"); | |
119 | return; | |
120 | } | |
121 | ||
122 | /* sort key1 and key2, so that their original order won't matter */ | |
123 | if (extra[0] > extra[1]) | |
124 | { | |
125 | dig = extra[0]; | |
126 | extra[0] = extra[1]; | |
127 | extra[1] = dig; | |
128 | } | |
129 | ||
130 | /* locate the new digraph character */ | |
131 | for (dig = 2; extra[dig] == ' ' || extra[dig] == '\t'; dig++) | |
132 | { | |
133 | } | |
134 | dig = extra[dig]; | |
135 | if (!bang && dig) | |
136 | { | |
137 | dig |= 0x80; | |
138 | } | |
139 | ||
140 | /* search for the digraph */ | |
141 | for (prev = (struct _DIG *)0, dp = digs; | |
142 | dp && (dp->key1 != extra[0] || dp->key2 != extra[1]); | |
143 | prev = dp, dp = dp->next) | |
144 | { | |
145 | } | |
146 | ||
147 | /* deleting the digraph? */ | |
148 | if (!dig) | |
149 | { | |
150 | if (!dp) | |
151 | { | |
152 | #ifndef CRUNCH | |
153 | msg("%c%c not a digraph", extra[0], extra[1]); | |
154 | #endif | |
155 | return; | |
156 | } | |
157 | if (prev) | |
158 | prev->next = dp->next; | |
159 | else | |
160 | digs = dp->next; | |
161 | free(dp); | |
162 | return; | |
163 | } | |
164 | ||
165 | /* if necessary, create a new digraph struct for the new digraph */ | |
166 | if (dig && !dp) | |
167 | { | |
168 | dp = (struct _DIG *)malloc(sizeof *dp); | |
169 | if (!dp) | |
170 | { | |
171 | msg("Out of space in the digraph table"); | |
172 | return; | |
173 | } | |
174 | if (prev) | |
175 | prev->next = dp; | |
176 | else | |
177 | digs = dp; | |
178 | dp->next = (struct _DIG *)0; | |
179 | } | |
180 | ||
181 | /* assign it the new digraph value */ | |
182 | dp->key1 = extra[0]; | |
183 | dp->key2 = extra[1]; | |
184 | dp->dig = dig; | |
185 | dp->save = user_defined; | |
186 | } | |
187 | ||
188 | # ifndef NO_MKEXRC | |
189 | void savedigs(fd) | |
190 | int fd; | |
191 | { | |
192 | static char buf[] = "digraph! XX Y\n"; | |
193 | REG struct _DIG *dp; | |
194 | ||
195 | for (dp = digs; dp; dp = dp->next) | |
196 | { | |
197 | if (dp->save) | |
198 | { | |
199 | buf[9] = dp->key1; | |
200 | buf[10] = dp->key2; | |
201 | buf[12] = dp->dig; | |
202 | write(fd, buf, (unsigned)14); | |
203 | } | |
204 | } | |
205 | } | |
206 | # endif | |
207 | #endif | |
208 | ||
209 | ||
210 | /* This function allows the user to replace an existing (possibly zero-length) | |
211 | * chunk of text with typed-in text. It returns the MARK of the last character | |
212 | * that the user typed in. | |
213 | */ | |
214 | MARK input(from, to, when, above) | |
215 | MARK from; /* where to start inserting text */ | |
216 | MARK to; /* extent of text to delete */ | |
217 | int when; /* either WHEN_VIINP or WHEN_VIREP */ | |
218 | int above; /* boolean: take indentation from lower line? */ | |
219 | { | |
220 | char key[2]; /* key char followed by '\0' char */ | |
221 | char *build; /* used in building a newline+indent string */ | |
222 | char *scan; /* used while looking at the indent chars of a line */ | |
223 | MARK m; /* some place in the text */ | |
224 | #ifndef NO_EXTENSIONS | |
225 | int quit = FALSE; /* boolean: are we exiting after this? */ | |
226 | int inchg; /* boolean: have we done a "beforedo()" yet? */ | |
227 | #endif | |
228 | ||
229 | #ifdef DEBUG | |
230 | /* if "from" and "to" are reversed, complain */ | |
231 | if (from > to) | |
232 | { | |
233 | msg("ERROR: input(%ld:%d, %ld:%d)", | |
234 | markline(from), markidx(from), | |
235 | markline(to), markidx(to)); | |
236 | return MARK_UNSET; | |
237 | } | |
238 | #endif | |
239 | ||
240 | key[1] = 0; | |
241 | ||
242 | /* if we're replacing text with new text, save the old stuff */ | |
243 | /* (Alas, there is no easy way to save text for replace mode) */ | |
244 | if (from != to) | |
245 | { | |
246 | cut(from, to); | |
247 | } | |
248 | ||
249 | /* if doing a dot command, then reuse the previous text */ | |
250 | if (doingdot) | |
251 | { | |
252 | ChangeText | |
253 | { | |
254 | /* delete the text that's there now */ | |
255 | if (from != to) | |
256 | { | |
257 | delete(from, to); | |
258 | } | |
259 | ||
260 | /* insert the previous text */ | |
261 | cutname('.'); | |
262 | cursor = paste(from, FALSE, TRUE) + 1L; | |
263 | } | |
264 | } | |
265 | else /* interactive version */ | |
266 | { | |
267 | /* assume that whoever called this already did a beforedo() */ | |
268 | #ifndef NO_EXTENSIONS | |
269 | inchg = TRUE; | |
270 | #endif | |
271 | ||
272 | /* if doing a change within the line... */ | |
273 | if (from != to && markline(from) == markline(to)) | |
274 | { | |
275 | /* mark the end of the text with a "$" */ | |
276 | change(to - 1, to, "$"); | |
277 | } | |
278 | else | |
279 | { | |
280 | /* delete the old text right off */ | |
281 | if (from != to) | |
282 | { | |
283 | delete(from, to); | |
284 | } | |
285 | to = from; | |
286 | } | |
287 | ||
288 | /* handle autoindent of the first line, maybe */ | |
289 | cursor = from; | |
290 | m = (above ? (cursor + BLKSIZE) : (cursor - BLKSIZE)); | |
291 | if (*o_autoindent && markidx(m) == 0 | |
292 | && markline(m) >= 1L && markline(m) <= nlines) | |
293 | { | |
294 | /* Only autoindent blank lines. */ | |
295 | pfetch(markline(cursor)); | |
296 | if (plen == 0) | |
297 | { | |
298 | /* Okay, we really want to autoindent */ | |
299 | pfetch(markline(m)); | |
300 | for (scan = ptext, build = tmpblk.c; | |
301 | *scan == ' ' || *scan == '\t'; | |
302 | ) | |
303 | { | |
304 | *build++ = *scan++; | |
305 | } | |
306 | if (build > tmpblk.c) | |
307 | { | |
308 | *build = '\0'; | |
309 | add(cursor, tmpblk.c); | |
310 | cursor += (build - tmpblk.c); | |
311 | if (cursor > to) | |
312 | to = cursor; | |
313 | } | |
314 | } | |
315 | } | |
316 | ||
317 | /* repeatedly add characters from the user */ | |
318 | for (;;) | |
319 | { | |
320 | /* Get a character */ | |
321 | redraw(cursor, TRUE); | |
322 | #ifdef DEBUG2 | |
323 | msg("cursor=%ld.%d, to=%ld.%d", | |
324 | markline(cursor), markidx(cursor), | |
325 | markline(to), markidx(to)); | |
326 | #endif | |
327 | #ifndef NO_ABBR | |
328 | pfetch(markline(cursor)); | |
329 | build = ptext; | |
330 | if (pline == markline(from)) | |
331 | build += markidx(from); | |
332 | for (scan = ptext + markidx(cursor); --scan >= build && isalnum(*scan); ) | |
333 | { | |
334 | } | |
335 | scan++; | |
336 | key[0] = getabkey(when, scan, (int)(ptext + markidx(cursor) - scan)); | |
337 | #else | |
338 | key[0] = getkey(when); | |
339 | #endif | |
340 | #ifndef NO_VISIBLE | |
341 | if (key[0] != '\0' && V_from != MARK_UNSET) | |
342 | { | |
343 | msg("Can't modify text during a selection"); | |
344 | beep(); | |
345 | continue; | |
346 | } | |
347 | #endif | |
348 | ||
349 | #ifndef NO_EXTENSIONS | |
350 | if (key[0] == ctrl('O')) | |
351 | { | |
352 | if (inchg) | |
353 | { | |
354 | if (cursor < to) | |
355 | { | |
356 | delete(cursor, to); | |
357 | redraw(cursor, TRUE); | |
358 | } | |
359 | afterdo(); | |
360 | inchg = FALSE; | |
361 | } | |
362 | } | |
363 | else if (key[0] != ctrl('[')) | |
364 | { | |
365 | if (!inchg) | |
366 | { | |
367 | beforedo(FALSE); | |
368 | inchg = TRUE; | |
369 | } | |
370 | } | |
371 | #endif | |
372 | ||
373 | #ifndef CRUNCH | |
374 | /* if wrapmargin is set & we're past the | |
375 | * warpmargin, then change the last whitespace | |
376 | * characters on line into a newline | |
377 | */ | |
378 | if (*o_wrapmargin != 0) | |
379 | { | |
380 | pfetch(markline(cursor)); | |
381 | if (idx2col(cursor, ptext, TRUE) > COLS - (*o_wrapmargin & 0xff)) | |
382 | { | |
383 | build = tmpblk.c; | |
384 | *build++ = '\n'; | |
385 | if (*o_autoindent) | |
386 | { | |
387 | /* figure out indent for next line */ | |
388 | for (scan = ptext; *scan == ' ' || *scan == '\t'; ) | |
389 | { | |
390 | *build++ = *scan++; | |
391 | } | |
392 | } | |
393 | *build = '\0'; | |
394 | ||
395 | scan = ptext + plen; | |
396 | m = cursor & ~(BLKSIZE - 1); | |
397 | while (ptext < scan) | |
398 | { | |
399 | scan--; | |
400 | if (*scan != ' ' && *scan != '\t') | |
401 | continue; | |
402 | ||
403 | /*break up line, and we do autoindent if needed*/ | |
404 | change(m + (scan - ptext), m + (scan - ptext) + 1, tmpblk.c); | |
405 | cursor = (cursor & ~(BLKSIZE - 1)) | |
406 | + BLKSIZE | |
407 | + strlen(tmpblk.c) - 1 | |
408 | + plen - (scan - ptext) - 1; | |
409 | ||
410 | /*remove trailing spaces on previous line*/ | |
411 | pfetch(markline(m)); | |
412 | scan = ptext + plen; | |
413 | while (ptext < scan) | |
414 | { | |
415 | scan--; | |
416 | if (*scan != ' ' && *scan != '\t') | |
417 | break; | |
418 | } | |
419 | delete(m + (scan-ptext) + 1, m + plen); | |
420 | ||
421 | break; | |
422 | } | |
423 | } | |
424 | } | |
425 | #endif /* !CRUNCH */ | |
426 | ||
427 | /* process it */ | |
428 | switch (*key) | |
429 | { | |
430 | #ifndef NO_EXTENSIONS | |
431 | case ctrl('O'): /* special movement mapped keys */ | |
432 | *key = getkey(0); | |
433 | switch (*key) | |
434 | { | |
435 | case 'h': m = m_left(cursor, 0L); break; | |
436 | case 'j': | |
437 | case 'k': m = m_updnto(cursor, 0L, *key); break; | |
438 | case 'l': m = cursor + 1; break; | |
439 | case 'B': | |
440 | case 'b': m = m_bword(cursor, 0L, *key); break; | |
441 | case 'W': | |
442 | case 'w': m = m_fword(cursor, 0L, *key, '\0'); break; | |
443 | case '^': m = m_front(cursor, 0L); break; | |
444 | case '$': m = m_rear(cursor, 0L); break; | |
445 | case ctrl('B'): | |
446 | case ctrl('F'): | |
447 | m = m_scroll(cursor, 0L, *key); break; | |
448 | case 'x': | |
449 | #ifndef NO_VISIBLE | |
450 | if (V_from) | |
451 | beep(); | |
452 | else | |
453 | #endif | |
454 | ChangeText | |
455 | { | |
456 | m = v_xchar(cursor, 0L, 'x'); | |
457 | } | |
458 | break; | |
459 | case 'i': m = to = from = cursor; | |
460 | when = WHEN_VIINP + WHEN_VIREP - when; | |
461 | break; | |
462 | case 'K': | |
463 | pfetch(markline(cursor)); | |
464 | changes++; /* <- after this, we can alter ptext */ | |
465 | ptext[markidx(cursor)] = 0; | |
466 | for (scan = ptext + markidx(cursor) - 1; | |
467 | scan >= ptext && isalnum(*scan); | |
468 | scan--) | |
469 | { | |
470 | } | |
471 | scan++; | |
472 | m = (*scan ? v_keyword(scan, cursor, 0L) : cursor); | |
473 | break; | |
474 | ||
475 | # ifndef NO_VISIBLE | |
476 | case 'v': | |
477 | case 'V': | |
478 | if (V_from) | |
479 | V_from = MARK_UNSET; | |
480 | else | |
481 | V_from = cursor; | |
482 | m = from = to = cursor; | |
483 | V_linemd = (*key == 'V'); | |
484 | break; | |
485 | ||
486 | case 'd': | |
487 | case 'y': | |
488 | case '\\': | |
489 | /* do nothing if unmarked */ | |
490 | if (!V_from) | |
491 | { | |
492 | msg("You must mark the text first"); | |
493 | beep(); | |
494 | break; | |
495 | } | |
496 | ||
497 | /* "from" must come before "to" */ | |
498 | if (V_from < cursor) | |
499 | { | |
500 | from = V_from; | |
501 | to = cursor; | |
502 | } | |
503 | else | |
504 | { | |
505 | from = cursor; | |
506 | to = V_from; | |
507 | } | |
508 | ||
509 | /* we don't need V_from anymore */ | |
510 | V_from = MARK_UNSET; | |
511 | ||
512 | if (V_linemd) | |
513 | { | |
514 | /* adjust for line mode */ | |
515 | from &= ~(BLKSIZE - 1); | |
516 | to |= (BLKSIZE - 1); | |
517 | } | |
518 | else | |
519 | { | |
520 | /* in character mode, we must | |
521 | * worry about deleting the newline | |
522 | * at the end of the last line | |
523 | */ | |
524 | pfetch(markline(to)); | |
525 | if (markidx(to) == plen) | |
526 | to |= (BLKSIZE - 1); | |
527 | } | |
528 | to++; | |
529 | ||
530 | switch (*key) | |
531 | { | |
532 | case 'y': | |
533 | cut(from, to); | |
534 | break; | |
535 | ||
536 | case 'd': | |
537 | ChangeText | |
538 | { | |
539 | cut(from, to); | |
540 | delete(from, to); | |
541 | } | |
542 | cursor = from; | |
543 | break; | |
544 | ||
545 | #ifndef NO_POPUP | |
546 | case '\\': | |
547 | ChangeText | |
548 | { | |
549 | cursor = v_popup(from, to); | |
550 | } | |
551 | break; | |
552 | #endif | |
553 | } | |
554 | m = from = to = cursor; | |
555 | break; | |
556 | ||
557 | case 'p': | |
558 | case 'P': | |
559 | V_from = MARK_UNSET; | |
560 | ChangeText | |
561 | { | |
562 | m = from = to = cursor = paste(cursor, (*key == 'p'), FALSE); | |
563 | } | |
564 | break; | |
565 | # endif /* !NO_VISIBLE */ | |
566 | default: m = MARK_UNSET; | |
567 | } | |
568 | ||
569 | /* adjust the moved cursor */ | |
570 | if (m != cursor) | |
571 | { | |
572 | m = adjmove(cursor, m, (*key == 'j' || *key == 'k' ? 0x20 : 0)); | |
573 | if (*key == '$' || (*key == 'l' && m <= cursor)) | |
574 | { | |
575 | m++; | |
576 | } | |
577 | } | |
578 | ||
579 | /* if the cursor is reasonable, use it */ | |
580 | if (m == MARK_UNSET) | |
581 | { | |
582 | beep(); | |
583 | } | |
584 | else | |
585 | { | |
586 | from = to = cursor = m; | |
587 | } | |
588 | break; | |
589 | ||
590 | case ctrl('Z'): | |
591 | if (getkey(0) == ctrl('Z')) | |
592 | { | |
593 | quit = TRUE; | |
594 | goto BreakBreak; | |
595 | } | |
596 | break; | |
597 | #endif | |
598 | ||
599 | case ctrl('['): | |
600 | /* if last line contains only whitespace, then remove whitespace */ | |
601 | if (*o_autoindent) | |
602 | { | |
603 | pfetch(markline(cursor)); | |
604 | for (scan = ptext; isspace(*scan); scan++) | |
605 | { | |
606 | } | |
607 | if (scan > ptext && !*scan) | |
608 | { | |
609 | cursor &= ~(BLKSIZE - 1L); | |
610 | if (to < cursor + plen) | |
611 | { | |
612 | to = cursor + plen; | |
613 | } | |
614 | } | |
615 | } | |
616 | goto BreakBreak; | |
617 | ||
618 | case ctrl('U'): | |
619 | if (markline(cursor) == markline(from)) | |
620 | { | |
621 | cursor = from; | |
622 | } | |
623 | else | |
624 | { | |
625 | cursor &= ~(BLKSIZE - 1); | |
626 | } | |
627 | break; | |
628 | ||
629 | case ctrl('D'): | |
630 | case ctrl('T'): | |
631 | if (to > cursor) | |
632 | { | |
633 | delete(cursor, to); | |
634 | } | |
635 | mark[27] = cursor; | |
636 | cmd_shift(cursor, cursor, *key == ctrl('D') ? CMD_SHIFTL : CMD_SHIFTR, TRUE, ""); | |
637 | if (mark[27]) | |
638 | { | |
639 | cursor = mark[27]; | |
640 | } | |
641 | else | |
642 | { | |
643 | cursor = m_front(cursor, 0L); | |
644 | } | |
645 | to = cursor; | |
646 | break; | |
647 | ||
648 | case '\b': | |
649 | if (cursor <= from) | |
650 | { | |
651 | beep(); | |
652 | } | |
653 | else if (markidx(cursor) == 0) | |
654 | { | |
655 | cursor -= BLKSIZE; | |
656 | pfetch(markline(cursor)); | |
657 | cursor += plen; | |
658 | } | |
659 | else | |
660 | { | |
661 | cursor--; | |
662 | } | |
663 | break; | |
664 | ||
665 | case ctrl('W'): | |
666 | m = m_bword(cursor, 1L, 'b'); | |
667 | if (markline(m) == markline(cursor) && m >= from) | |
668 | { | |
669 | cursor = m; | |
670 | if (from > cursor) | |
671 | { | |
672 | from = cursor; | |
673 | } | |
674 | } | |
675 | else | |
676 | { | |
677 | beep(); | |
678 | } | |
679 | break; | |
680 | ||
681 | case '\n': | |
682 | #if OSK | |
683 | case '\l': | |
684 | #else | |
685 | case '\r': | |
686 | #endif | |
687 | build = tmpblk.c; | |
688 | *build++ = '\n'; | |
689 | if (*o_autoindent) | |
690 | { | |
691 | /* figure out indent for next line */ | |
692 | pfetch(markline(cursor)); | |
693 | for (scan = ptext; *scan == ' ' || *scan == '\t'; ) | |
694 | { | |
695 | *build++ = *scan++; | |
696 | } | |
697 | ||
698 | /* remove indent from this line, if blank */ | |
699 | if ((scan - ptext) >= markidx(cursor) && plen > 0) | |
700 | { | |
701 | to = cursor &= ~(BLKSIZE - 1); | |
702 | delete(cursor, cursor + plen); | |
703 | } | |
704 | } | |
705 | *build = 0; | |
706 | if (cursor >= to && when != WHEN_VIREP) | |
707 | { | |
708 | add(cursor, tmpblk.c); | |
709 | } | |
710 | else | |
711 | { | |
712 | change(cursor, to, tmpblk.c); | |
713 | } | |
714 | redraw(cursor, TRUE); | |
715 | to = cursor = (cursor & ~(BLKSIZE - 1)) | |
716 | + BLKSIZE | |
717 | + (int)(build - tmpblk.c) - 1; | |
718 | break; | |
719 | ||
720 | case ctrl('A'): | |
721 | case ctrl('P'): | |
722 | if (cursor < to) | |
723 | { | |
724 | delete(cursor, to); | |
725 | } | |
726 | if (*key == ctrl('A')) | |
727 | { | |
728 | cutname('.'); | |
729 | } | |
730 | to = cursor = paste(cursor, FALSE, TRUE) + 1L; | |
731 | break; | |
732 | ||
733 | case ctrl('V'): | |
734 | if (cursor >= to && when != WHEN_VIREP) | |
735 | { | |
736 | add(cursor, "^"); | |
737 | } | |
738 | else | |
739 | { | |
740 | change(cursor, to, "^"); | |
741 | to = cursor + 1; | |
742 | } | |
743 | redraw(cursor, TRUE); | |
744 | *key = getkey(0); | |
745 | if (*key == '\n') | |
746 | { | |
747 | /* '\n' too hard to handle */ | |
748 | #if OSK | |
749 | *key = '\l'; | |
750 | #else | |
751 | *key = '\r'; | |
752 | #endif | |
753 | } | |
754 | change(cursor, cursor + 1, key); | |
755 | cursor++; | |
756 | if (cursor > to) | |
757 | { | |
758 | to = cursor; | |
759 | } | |
760 | break; | |
761 | ||
762 | case ctrl('L'): | |
763 | case ctrl('R'): | |
764 | redraw(MARK_UNSET, FALSE); | |
765 | break; | |
766 | ||
767 | default: | |
768 | if (cursor >= to && when != WHEN_VIREP) | |
769 | { | |
770 | add(cursor, key); | |
771 | cursor++; | |
772 | to = cursor; | |
773 | } | |
774 | else | |
775 | { | |
776 | pfetch(markline(cursor)); | |
777 | if (markidx(cursor) == plen) | |
778 | { | |
779 | add(cursor, key); | |
780 | } | |
781 | else | |
782 | { | |
783 | #ifndef NO_DIGRAPH | |
784 | *key = digraph(ptext[markidx(cursor)], *key); | |
785 | #endif | |
786 | change(cursor, cursor + 1, key); | |
787 | } | |
788 | cursor++; | |
789 | } | |
790 | #ifndef NO_SHOWMATCH | |
791 | /* show matching "({[" if necessary */ | |
792 | if (*o_showmatch && strchr(")}]", *key)) | |
793 | { | |
794 | redraw(cursor, TRUE); | |
795 | m = m_match(cursor - 1, 0L); | |
796 | if (markline(m) >= topline | |
797 | && markline(m) <= botline) | |
798 | { | |
799 | redraw(m, TRUE); | |
800 | refresh(); | |
801 | sleep(1); | |
802 | } | |
803 | } | |
804 | #endif | |
805 | } /* end switch(*key) */ | |
806 | } /* end for(;;) */ | |
807 | BreakBreak:; | |
808 | /* delete any excess characters */ | |
809 | if (cursor < to) | |
810 | { | |
811 | #ifndef NO_EXTENSIONS | |
812 | /* if we aren't in the middle of a change, start one! */ | |
813 | if (!inchg) | |
814 | { | |
815 | beforedo(FALSE); | |
816 | inchg = TRUE; | |
817 | } | |
818 | #endif | |
819 | delete(cursor, to); | |
820 | } | |
821 | ||
822 | } /* end if doingdot else */ | |
823 | ||
824 | /* put the new text into a cut buffer for possible reuse */ | |
825 | if (!doingdot) | |
826 | { | |
827 | blksync(); | |
828 | cutname('.'); | |
829 | cut(from, cursor); | |
830 | } | |
831 | ||
832 | /* move to last char that we inputted, unless it was newline */ | |
833 | if (markidx(cursor) != 0) | |
834 | { | |
835 | cursor--; | |
836 | } | |
837 | redraw(cursor, FALSE); | |
838 | ||
839 | #ifndef NO_EXTENSIONS | |
840 | if (quit) | |
841 | { | |
842 | /* if this is a nested "do", then cut it short */ | |
843 | abortdo(); | |
844 | ||
845 | /* exit, unless we can't write out the file */ | |
846 | cursor = v_xit(cursor, 0L, 'Z'); | |
847 | } | |
848 | #endif | |
849 | ||
850 | rptlines = 0L; | |
851 | return cursor; | |
852 | } |