?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Kernel part of bluetooth stack ported by Dmitry Komissaroff. Very much work
[dragonfly.git] / contrib / tcsh / ed.screen.c
blobf0e38ae708d2e5c30cd8f61116091d542adb2f94
1 /* $Header: /src/pub/tcsh/ed.screen.c,v 3.49 2002/03/08 17:36:45 christos Exp $ */
2 /*
3 * ed.screen.c: Editor/termcap-curses interface
4 */
5 /*-
6 * Copyright (c) 1980, 1991 The Regents of the University of California.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33 #include "sh.h"
34
35 RCSID("$Id: ed.screen.c,v 3.49 2002/03/08 17:36:45 christos Exp $")
36
37 #include "ed.h"
38 #include "tc.h"
39 #include "ed.defns.h"
40
41 #ifndef POSIX
42 /*
43 * We don't prototype these, cause some systems have them wrong!
44 */
45 extern int tgetent __P(());
46 extern char *tgetstr __P(());
47 extern int tgetflag __P(());
48 extern int tgetnum __P(());
49 extern char *tgoto __P(());
50 # define PUTPURE putpure
51 # define PUTRAW putraw
52 #else
53 extern int tgetent __P((char *, char *));
54 extern char *tgetstr __P((char *, char **));
55 extern int tgetflag __P((char *));
56 extern int tgetnum __P((char *));
57 extern char *tgoto __P((char *, int, int));
58 extern void tputs __P((char *, int, void (*)(int)));
59 # define PUTPURE ((void (*)__P((int))) putpure)
60 # define PUTRAW ((void (*)__P((int))) putraw)
61 #endif
62
63
64 /* #define DEBUG_LITERAL */
65
66 /*
67 * IMPORTANT NOTE: these routines are allowed to look at the current screen
68 * and the current possition assuming that it is correct. If this is not
69 * true, then the update will be WRONG! This is (should be) a valid
70 * assumption...
71 */
72
73 #define TC_BUFSIZE 2048
74
75 #define GoodStr(a) (tstr[a].str != NULL && tstr[a].str[0] != '\0')
76 #define Str(a) tstr[a].str
77 #define Val(a) tval[a].val
78
79 static struct {
80 char *b_name;
81 int b_rate;
82 } baud_rate[] = {
83
84 #ifdef B0
85 { "0", B0 },
86 #endif
87 #ifdef B50
88 { "50", B50 },
89 #endif
90 #ifdef B75
91 { "75", B75 },
92 #endif
93 #ifdef B110
94 { "110", B110 },
95 #endif
96 #ifdef B134
97 { "134", B134 },
98 #endif
99 #ifdef B150
100 { "150", B150 },
101 #endif
102 #ifdef B200
103 { "200", B200 },
104 #endif
105 #ifdef B300
106 { "300", B300 },
107 #endif
108 #ifdef B600
109 { "600", B600 },
110 #endif
111 #ifdef B900
112 { "900", B900 },
113 #endif
114 #ifdef B1200
115 { "1200", B1200 },
116 #endif
117 #ifdef B1800
118 { "1800", B1800 },
119 #endif
120 #ifdef B2400
121 { "2400", B2400 },
122 #endif
123 #ifdef B3600
124 { "3600", B3600 },
125 #endif
126 #ifdef B4800
127 { "4800", B4800 },
128 #endif
129 #ifdef B7200
130 { "7200", B7200 },
131 #endif
132 #ifdef B9600
133 { "9600", B9600 },
134 #endif
135 #ifdef EXTA
136 { "19200", EXTA },
137 #endif
138 #ifdef B19200
139 { "19200", B19200 },
140 #endif
141 #ifdef EXTB
142 { "38400", EXTB },
143 #endif
144 #ifdef B38400
145 { "38400", B38400 },
146 #endif
147 { NULL, 0 }
148 };
149
150 #define T_al 0
151 #define T_bl 1
152 #define T_cd 2
153 #define T_ce 3
154 #define T_ch 4
155 #define T_cl 5
156 #define T_dc 6
157 #define T_dl 7
158 #define T_dm 8
159 #define T_ed 9
160 #define T_ei 10
161 #define T_fs 11
162 #define T_ho 12
163 #define T_ic 13
164 #define T_im 14
165 #define T_ip 15
166 #define T_kd 16
167 #define T_kl 17
168 #define T_kr 18
169 #define T_ku 19
170 #define T_md 20
171 #define T_me 21
172 #define T_nd 22
173 #define T_se 23
174 #define T_so 24
175 #define T_ts 25
176 #define T_up 26
177 #define T_us 27
178 #define T_ue 28
179 #define T_vb 29
180 #define T_DC 30
181 #define T_DO 31
182 #define T_IC 32
183 #define T_LE 33
184 #define T_RI 34
185 #define T_UP 35
186 #define T_kh 36
187 #define T_at7 37
188 #define T_str 38
189 static struct termcapstr {
190 char *name;
191 char *long_name;
192 char *str;
193 } tstr[T_str + 1];
194
195
196 #define T_am 0
197 #define T_pt 1
198 #define T_li 2
199 #define T_co 3
200 #define T_km 4
201 #define T_xn 5
202 #define T_val 6
203 static struct termcapval {
204 char *name;
205 char *long_name;
206 int val;
207 } tval[T_val + 1];
208
209 void
210 terminit()
211 {
212 #ifdef NLS_CATALOGS
213 int i;
214
215 for (i = 0; i < T_str + 1; i++)
216 xfree((ptr_t) tstr[i].long_name);
217
218 for (i = 0; i < T_val + 1; i++)
219 xfree((ptr_t) tval[i].long_name);
220 #endif
221
222 tstr[T_al].name = "al";
223 tstr[T_al].long_name = CSAVS(4, 1, "add new blank line");
224
225 tstr[T_bl].name = "bl";
226 tstr[T_bl].long_name = CSAVS(4, 2, "audible bell");
227
228 tstr[T_cd].name = "cd";
229 tstr[T_cd].long_name = CSAVS(4, 3, "clear to bottom");
230
231 tstr[T_ce].name = "ce";
232 tstr[T_ce].long_name = CSAVS(4, 4, "clear to end of line");
233
234 tstr[T_ch].name = "ch";
235 tstr[T_ch].long_name = CSAVS(4, 5, "cursor to horiz pos");
236
237 tstr[T_cl].name = "cl";
238 tstr[T_cl].long_name = CSAVS(4, 6, "clear screen");
239
240 tstr[T_dc].name = "dc";
241 tstr[T_dc].long_name = CSAVS(4, 7, "delete a character");
242
243 tstr[T_dl].name = "dl";
244 tstr[T_dl].long_name = CSAVS(4, 8, "delete a line");
245
246 tstr[T_dm].name = "dm";
247 tstr[T_dm].long_name = CSAVS(4, 9, "start delete mode");
248
249 tstr[T_ed].name = "ed";
250 tstr[T_ed].long_name = CSAVS(4, 10, "end delete mode");
251
252 tstr[T_ei].name = "ei";
253 tstr[T_ei].long_name = CSAVS(4, 11, "end insert mode");
254
255 tstr[T_fs].name = "fs";
256 tstr[T_fs].long_name = CSAVS(4, 12, "cursor from status line");
257
258 tstr[T_ho].name = "ho";
259 tstr[T_ho].long_name = CSAVS(4, 13, "home cursor");
260
261 tstr[T_ic].name = "ic";
262 tstr[T_ic].long_name = CSAVS(4, 14, "insert character");
263
264 tstr[T_im].name = "im";
265 tstr[T_im].long_name = CSAVS(4, 15, "start insert mode");
266
267 tstr[T_ip].name = "ip";
268 tstr[T_ip].long_name = CSAVS(4, 16, "insert padding");
269
270 tstr[T_kd].name = "kd";
271 tstr[T_kd].long_name = CSAVS(4, 17, "sends cursor down");
272
273 tstr[T_kl].name = "kl";
274 tstr[T_kl].long_name = CSAVS(4, 18, "sends cursor left");
275
276 tstr[T_kr].name = "kr";
277 tstr[T_kr].long_name = CSAVS(4, 19, "sends cursor right");
278
279 tstr[T_ku].name = "ku";
280 tstr[T_ku].long_name = CSAVS(4, 20, "sends cursor up");
281
282 tstr[T_md].name = "md";
283 tstr[T_md].long_name = CSAVS(4, 21, "begin bold");
284
285 tstr[T_me].name = "me";
286 tstr[T_me].long_name = CSAVS(4, 22, "end attributes");
287
288 tstr[T_nd].name = "nd";
289 tstr[T_nd].long_name = CSAVS(4, 23, "non destructive space");
290
291 tstr[T_se].name = "se";
292 tstr[T_se].long_name = CSAVS(4, 24, "end standout");
293
294 tstr[T_so].name = "so";
295 tstr[T_so].long_name = CSAVS(4, 25, "begin standout");
296
297 tstr[T_ts].name = "ts";
298 tstr[T_ts].long_name = CSAVS(4, 26, "cursor to status line");
299
300 tstr[T_up].name = "up";
301 tstr[T_up].long_name = CSAVS(4, 27, "cursor up one");
302
303 tstr[T_us].name = "us";
304 tstr[T_us].long_name = CSAVS(4, 28, "begin underline");
305
306 tstr[T_ue].name = "ue";
307 tstr[T_ue].long_name = CSAVS(4, 29, "end underline");
308
309 tstr[T_vb].name = "vb";
310 tstr[T_vb].long_name = CSAVS(4, 30, "visible bell");
311
312 tstr[T_DC].name = "DC";
313 tstr[T_DC].long_name = CSAVS(4, 31, "delete multiple chars");
314
315 tstr[T_DO].name = "DO";
316 tstr[T_DO].long_name = CSAVS(4, 32, "cursor down multiple");
317
318 tstr[T_IC].name = "IC";
319 tstr[T_IC].long_name = CSAVS(4, 33, "insert multiple chars");
320
321 tstr[T_LE].name = "LE";
322 tstr[T_LE].long_name = CSAVS(4, 34, "cursor left multiple");
323
324 tstr[T_RI].name = "RI";
325 tstr[T_RI].long_name = CSAVS(4, 35, "cursor right multiple");
326
327 tstr[T_UP].name = "UP";
328 tstr[T_UP].long_name = CSAVS(4, 36, "cursor up multiple");
329
330 tstr[T_kh].name = "kh";
331 tstr[T_kh].long_name = CSAVS(4, 37, "send cursor home");
332
333 tstr[T_at7].name = "@7";
334 tstr[T_at7].long_name = CSAVS(4, 38, "send cursor end");
335
336 tstr[T_str].name = NULL;
337 tstr[T_str].long_name = NULL;
338
339
340 tval[T_am].name = "am";
341 tval[T_am].long_name = CSAVS(4, 37, "Has automatic margins");
342
343 tval[T_pt].name = "pt";
344 tval[T_pt].long_name = CSAVS(4, 38, "Can use physical tabs");
345
346 tval[T_li].name = "li";
347 tval[T_li].long_name = CSAVS(4, 39, "Number of lines");
348
349 tval[T_co].name = "co";
350 tval[T_co].long_name = CSAVS(4, 40, "Number of columns");
351
352 tval[T_km].name = "km";
353 tval[T_km].long_name = CSAVS(4, 41, "Has meta key");
354
355 tval[T_xn].name = "xn";
356 tval[T_xn].long_name = CSAVS(4, 42, "Newline ignored at right margin");
357
358 tval[T_val].name = NULL;
359 tval[T_val].long_name = NULL;
360 }
361
362 /*
363 * A very useful table from justin@crim.ca (Justin Bur) :-)
364 * (Modified by per@erix.ericsson.se (Per Hedeland)
365 * - first (and second:-) case fixed)
366 *
367 * Description Termcap variables tcsh behavior
368 * am xn UseRightmost SendCRLF
369 * -------------- ------- ------- ------------ ------------
370 * Automargins yes no yes no
371 * Magic Margins yes yes yes no
372 * No Wrap no -- yes yes
373 */
374
375 static bool me_all = 0; /* does two or more of the attributes use me */
376
377 static void ReBufferDisplay __P((void));
378 static void TCalloc __P((struct termcapstr *, char *));
379
380
381 static void
382 TCalloc(t, cap)
383 struct termcapstr *t;
384 char *cap;
385 {
386 static char termcap_alloc[TC_BUFSIZE];
387 char termbuf[TC_BUFSIZE];
388 struct termcapstr *ts;
389 static int tloc = 0;
390 int tlen, clen;
391
392 if (cap == NULL || *cap == '\0') {
393 t->str = NULL;
394 return;
395 }
396 else
397 clen = strlen(cap);
398
399 if (t->str == NULL)
400 tlen = 0;
401 else
402 tlen = strlen(t->str);
403
404 /*
405 * New string is shorter; no need to allocate space
406 */
407 if (clen <= tlen) {
408 (void) strcpy(t->str, cap);
409 return;
410 }
411
412 /*
413 * New string is longer; see if we have enough space to append
414 */
415 if (tloc + 3 < TC_BUFSIZE) {
416 (void) strcpy(t->str = &termcap_alloc[tloc], cap);
417 tloc += clen + 1; /* one for \0 */
418 return;
419 }
420
421 /*
422 * Compact our buffer; no need to check compaction, cause we know it
423 * fits...
424 */
425 tlen = 0;
426 for (ts = tstr; ts->name != NULL; ts++)
427 if (t != ts && ts->str != NULL && ts->str[0] != '\0') {
428 char *ptr;
429
430 for (ptr = ts->str; *ptr != '\0'; termbuf[tlen++] = *ptr++)
431 continue;
432 termbuf[tlen++] = '\0';
433 }
434 (void) memmove((ptr_t) termcap_alloc, (ptr_t) termbuf, (size_t) TC_BUFSIZE);
435 tloc = tlen;
436 if (tloc + 3 >= TC_BUFSIZE) {
437 stderror(ERR_NAME | ERR_TCNOSTR);
438 return;
439 }
440 (void) strcpy(t->str = &termcap_alloc[tloc], cap);
441 tloc += clen + 1; /* one for \0 */
442 return;
443 }
444
445
446 /*ARGSUSED*/
447 void
448 TellTC(what)
449 char *what;
450 {
451 struct termcapstr *t;
452
453 USE(what);
454 xprintf(CGETS(7, 1, "\n\tTcsh thinks your terminal has the\n"));
455 xprintf(CGETS(7, 2, "\tfollowing characteristics:\n\n"));
456 xprintf(CGETS(7, 3, "\tIt has %d columns and %d lines\n"),
457 Val(T_co), Val(T_li));
458 xprintf(CGETS(7, 4, "\tIt has %s meta key\n"), T_HasMeta ?
459 CGETS(7, 5, "a") : CGETS(7, 6, "no"));
460 xprintf(CGETS(7, 7, "\tIt can%s use tabs\n"), T_Tabs ?
461 "" : CGETS(7, 8, " not"));
462 xprintf(CGETS(7, 9, "\tIt %s automatic margins\n"),
463 (T_Margin&MARGIN_AUTO)?
464 CGETS(7, 10, "has"):
465 CGETS(7, 11, "does not have"));
466 if (T_Margin & MARGIN_AUTO)
467 xprintf(CGETS(7, 12, "\tIt %s magic margins\n"),
468 (T_Margin & MARGIN_MAGIC) ?
469 CGETS(7, 10, "has"):
470 CGETS(7, 11, "does not have"));
471
472 for (t = tstr; t->name != NULL; t++)
473 xprintf("\t%36s (%s) == %s\n", t->long_name, t->name,
474 t->str && *t->str ? t->str : CGETS(7, 13, "(empty)"));
475 xputchar('\n');
476 }
477
478
479 static void
480 ReBufferDisplay()
481 {
482 register int i;
483 Char **b;
484 Char **bufp;
485
486 b = Display;
487 Display = NULL;
488 if (b != NULL) {
489 for (bufp = b; *bufp != NULL; bufp++)
490 xfree((ptr_t) * bufp);
491 xfree((ptr_t) b);
492 }
493 b = Vdisplay;
494 Vdisplay = NULL;
495 if (b != NULL) {
496 for (bufp = b; *bufp != NULL; bufp++)
497 xfree((ptr_t) * bufp);
498 xfree((ptr_t) b);
499 }
500 TermH = Val(T_co);
501 TermV = (INBUFSIZE * 4) / TermH + 1;
502 b = (Char **) xmalloc((size_t) (sizeof(Char *) * (TermV + 1)));
503 for (i = 0; i < TermV; i++)
504 b[i] = (Char *) xmalloc((size_t) (sizeof(Char) * (TermH + 1)));
505 b[TermV] = NULL;
506 Display = b;
507 b = (Char **) xmalloc((size_t) (sizeof(Char *) * (TermV + 1)));
508 for (i = 0; i < TermV; i++)
509 b[i] = (Char *) xmalloc((size_t) (sizeof(Char) * (TermH + 1)));
510 b[TermV] = NULL;
511 Vdisplay = b;
512 }
513
514 void
515 SetTC(what, how)
516 char *what, *how;
517 {
518 struct termcapstr *ts;
519 struct termcapval *tv;
520
521 /*
522 * Do the strings first
523 */
524 setname("settc");
525 for (ts = tstr; ts->name != NULL; ts++)
526 if (strcmp(ts->name, what) == 0)
527 break;
528 if (ts->name != NULL) {
529 TCalloc(ts, how);
530 /*
531 * Reset variables
532 */
533 if (GoodStr(T_me) && GoodStr(T_ue))
534 me_all = (strcmp(Str(T_me), Str(T_ue)) == 0);
535 else
536 me_all = 0;
537 if (GoodStr(T_me) && GoodStr(T_se))
538 me_all |= (strcmp(Str(T_me), Str(T_se)) == 0);
539
540 T_CanCEOL = GoodStr(T_ce);
541 T_CanDel = GoodStr(T_dc) || GoodStr(T_DC);
542 T_CanIns = GoodStr(T_im) || GoodStr(T_ic) || GoodStr(T_IC);
543 T_CanUP = GoodStr(T_up) || GoodStr(T_UP);
544 return;
545 }
546
547 /*
548 * Do the numeric ones second
549 */
550 for (tv = tval; tv->name != NULL; tv++)
551 if (strcmp(tv->name, what) == 0)
552 break;
553
554 if (tv->name != NULL) {
555 if (tv == &tval[T_pt] || tv == &tval[T_km] ||
556 tv == &tval[T_am] || tv == &tval[T_xn]) {
557 if (strcmp(how, "yes") == 0)
558 tv->val = 1;
559 else if (strcmp(how, "no") == 0)
560 tv->val = 0;
561 else {
562 stderror(ERR_SETTCUS, tv->name);
563 return;
564 }
565 T_Tabs = (Char) Val(T_pt);
566 T_HasMeta = (Char) Val(T_km);
567 T_Margin = (Char) Val(T_am) ? MARGIN_AUTO : 0;
568 T_Margin |= (Char) Val(T_xn) ? MARGIN_MAGIC : 0;
569 if (tv == &tval[T_am] || tv == &tval[T_xn])
570 ChangeSize(Val(T_li), Val(T_co));
571 return;
572 }
573 else {
574 tv->val = atoi(how);
575 T_Cols = (Char) Val(T_co);
576 T_Lines = (Char) Val(T_li);
577 if (tv == &tval[T_co] || tv == &tval[T_li])
578 ChangeSize(Val(T_li), Val(T_co));
579 return;
580 }
581 }
582 stderror(ERR_NAME | ERR_TCCAP, what);
583 return;
584 }
585
586
587 /*
588 * Print the termcap string out with variable substitution
589 */
590 void
591 EchoTC(v)
592 Char **v;
593 {
594 char *cap, *scap, cv[BUFSIZE];
595 int arg_need, arg_cols, arg_rows;
596 int verbose = 0, silent = 0;
597 char *area;
598 static char *fmts = "%s\n", *fmtd = "%d\n";
599 struct termcapstr *t;
600 char buf[TC_BUFSIZE];
601
602 area = buf;
603
604 setname("echotc");
605
606 tglob(v);
607 if (gflag) {
608 v = globall(v);
609 if (v == 0)
610 stderror(ERR_NAME | ERR_NOMATCH);
611 }
612 else
613 v = gargv = saveblk(v);
614 trim(v);
615
616 if (!*v || *v[0] == '\0')
617 return;
618 if (v[0][0] == '-') {
619 switch (v[0][1]) {
620 case 'v':
621 verbose = 1;
622 break;
623 case 's':
624 silent = 1;
625 break;
626 default:
627 stderror(ERR_NAME | ERR_TCUSAGE);
628 break;
629 }
630 v++;
631 }
632 if (!*v || *v[0] == '\0')
633 return;
634 (void) strcpy(cv, short2str(*v));
635 if (strcmp(cv, "tabs") == 0) {
636 xprintf(fmts, T_Tabs ? CGETS(7, 14, "yes") :
637 CGETS(7, 15, "no"));
638 flush();
639 return;
640 }
641 else if (strcmp(cv, "meta") == 0) {
642 xprintf(fmts, Val(T_km) ? CGETS(7, 14, "yes") :
643 CGETS(7, 15, "no"));
644 flush();
645 return;
646 }
647 else if (strcmp(cv, "xn") == 0) {
648 xprintf(fmts, T_Margin & MARGIN_MAGIC ? CGETS(7, 14, "yes") :
649 CGETS(7, 15, "no"));
650 flush();
651 return;
652 }
653 else if (strcmp(cv, "am") == 0) {
654 xprintf(fmts, T_Margin & MARGIN_AUTO ? CGETS(7, 14, "yes") :
655 CGETS(7, 15, "no"));
656 flush();
657 return;
658 }
659 else if (strcmp(cv, "baud") == 0) {
660 int i;
661
662 for (i = 0; baud_rate[i].b_name != NULL; i++)
663 if (T_Speed == baud_rate[i].b_rate) {
664 xprintf(fmts, baud_rate[i].b_name);
665 flush();
666 return;
667 }
668 xprintf(fmtd, 0);
669 flush();
670 return;
671 }
672 else if (strcmp(cv, "rows") == 0 || strcmp(cv, "lines") == 0) {
673 xprintf(fmtd, Val(T_li));
674 flush();
675 return;
676 }
677 else if (strcmp(cv, "cols") == 0) {
678 xprintf(fmtd, Val(T_co));
679 flush();
680 return;
681 }
682
683 /*
684 * Try to use our local definition first
685 */
686 scap = NULL;
687 for (t = tstr; t->name != NULL; t++)
688 if (strcmp(t->name, cv) == 0) {
689 scap = t->str;
690 break;
691 }
692 if (t->name == NULL)
693 scap = tgetstr(cv, &area);
694 if (!scap || scap[0] == '\0') {
695 if (tgetflag(cv)) {
696 xprintf(CGETS(7, 14, "yes\n"));
697 return;
698 }
699 if (silent)
700 return;
701 else
702 stderror(ERR_NAME | ERR_TCCAP, cv);
703 }
704
705 /*
706 * Count home many values we need for this capability.
707 */
708 for (cap = scap, arg_need = 0; *cap; cap++)
709 if (*cap == '%')
710 switch (*++cap) {
711 case 'd':
712 case '2':
713 case '3':
714 case '.':
715 case '+':
716 arg_need++;
717 break;
718 case '%':
719 case '>':
720 case 'i':
721 case 'r':
722 case 'n':
723 case 'B':
724 case 'D':
725 break;
726 default:
727 /*
728 * hpux has lot's of them...
729 */
730 if (verbose)
731 stderror(ERR_NAME | ERR_TCPARM, *cap);
732 /* This is bad, but I won't complain */
733 break;
734 }
735
736 switch (arg_need) {
737 case 0:
738 v++;
739 if (*v && *v[0]) {
740 if (silent)
741 return;
742 else
743 stderror(ERR_NAME | ERR_TCARGS, cv, arg_need);
744 }
745 (void) tputs(scap, 1, PUTRAW);
746 break;
747 case 1:
748 v++;
749 if (!*v || *v[0] == '\0')
750 stderror(ERR_NAME | ERR_TCNARGS, cv, 1);
751 arg_cols = 0;
752 arg_rows = atoi(short2str(*v));
753 v++;
754 if (*v && *v[0]) {
755 if (silent)
756 return;
757 else
758 stderror(ERR_NAME | ERR_TCARGS, cv, arg_need);
759 }
760 (void) tputs(tgoto(scap, arg_cols, arg_rows), 1, PUTRAW);
761 break;
762 default:
763 /* This is wrong, but I will ignore it... */
764 if (verbose)
765 stderror(ERR_NAME | ERR_TCARGS, cv, arg_need);
766 /*FALLTHROUGH*/
767 case 2:
768 v++;
769 if (!*v || *v[0] == '\0') {
770 if (silent)
771 return;
772 else
773 stderror(ERR_NAME | ERR_TCNARGS, cv, 2);
774 }
775 arg_cols = atoi(short2str(*v));
776 v++;
777 if (!*v || *v[0] == '\0') {
778 if (silent)
779 return;
780 else
781 stderror(ERR_NAME | ERR_TCNARGS, cv, 2);
782 }
783 arg_rows = atoi(short2str(*v));
784 v++;
785 if (*v && *v[0]) {
786 if (silent)
787 return;
788 else
789 stderror(ERR_NAME | ERR_TCARGS, cv, arg_need);
790 }
791 (void) tputs(tgoto(scap, arg_cols, arg_rows), arg_rows, PUTRAW);
792 break;
793 }
794 flush();
795 if (gargv) {
796 blkfree(gargv);
797 gargv = 0;
798 }
799 }
800
801 bool GotTermCaps = 0;
802
803 static struct {
804 Char *name;
805 int key;
806 XmapVal fun;
807 int type;
808 } arrow[] = {
809 #define A_K_DN 0
810 { STRdown, T_kd },
811 #define A_K_UP 1
812 { STRup, T_ku },
813 #define A_K_LT 2
814 { STRleft, T_kl },
815 #define A_K_RT 3
816 { STRright, T_kr },
817 #define A_K_HO 4
818 { STRhome, T_kh },
819 #define A_K_EN 5
820 { STRend, T_at7}
821 };
822 #define A_K_NKEYS 6
823
824 void
825 ResetArrowKeys()
826 {
827 arrow[A_K_DN].fun.cmd = F_DOWN_HIST;
828 arrow[A_K_DN].type = XK_CMD;
829
830 arrow[A_K_UP].fun.cmd = F_UP_HIST;
831 arrow[A_K_UP].type = XK_CMD;
832
833 arrow[A_K_LT].fun.cmd = F_CHARBACK;
834 arrow[A_K_LT].type = XK_CMD;
835
836 arrow[A_K_RT].fun.cmd = F_CHARFWD;
837 arrow[A_K_RT].type = XK_CMD;
838
839 arrow[A_K_HO].fun.cmd = F_TOBEG;
840 arrow[A_K_HO].type = XK_CMD;
841
842 arrow[A_K_EN].fun.cmd = F_TOEND;
843 arrow[A_K_EN].type = XK_CMD;
844 }
845
846 void
847 DefaultArrowKeys()
848 {
849 static Char strA[] = {033, '[', 'A', '\0'};
850 static Char strB[] = {033, '[', 'B', '\0'};
851 static Char strC[] = {033, '[', 'C', '\0'};
852 static Char strD[] = {033, '[', 'D', '\0'};
853 static Char strH[] = {033, '[', 'H', '\0'};
854 static Char strF[] = {033, '[', 'F', '\0'};
855 static Char stOA[] = {033, 'O', 'A', '\0'};
856 static Char stOB[] = {033, 'O', 'B', '\0'};
857 static Char stOC[] = {033, 'O', 'C', '\0'};
858 static Char stOD[] = {033, 'O', 'D', '\0'};
859 static Char stOH[] = {033, 'O', 'H', '\0'};
860 static Char stOF[] = {033, 'O', 'F', '\0'};
861
862 CStr cs;
863 #ifndef IS_ASCII
864 if (strA[0] == 033)
865 {
866 strA[0] = CTL_ESC('\033');
867 strB[0] = CTL_ESC('\033');
868 strC[0] = CTL_ESC('\033');
869 strD[0] = CTL_ESC('\033');
870 strH[0] = CTL_ESC('\033');
871 strF[0] = CTL_ESC('\033');
872 stOA[0] = CTL_ESC('\033');
873 stOB[0] = CTL_ESC('\033');
874 stOC[0] = CTL_ESC('\033');
875 stOD[0] = CTL_ESC('\033');
876 stOH[0] = CTL_ESC('\033');
877 stOF[0] = CTL_ESC('\033');
878 }
879 #endif
880
881 cs.len = 3;
882
883 cs.buf = strA; AddXkey(&cs, &arrow[A_K_UP].fun, arrow[A_K_UP].type);
884 cs.buf = strB; AddXkey(&cs, &arrow[A_K_DN].fun, arrow[A_K_DN].type);
885 cs.buf = strC; AddXkey(&cs, &arrow[A_K_RT].fun, arrow[A_K_RT].type);
886 cs.buf = strD; AddXkey(&cs, &arrow[A_K_LT].fun, arrow[A_K_LT].type);
887 cs.buf = strH; AddXkey(&cs, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
888 cs.buf = strF; AddXkey(&cs, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
889 cs.buf = stOA; AddXkey(&cs, &arrow[A_K_UP].fun, arrow[A_K_UP].type);
890 cs.buf = stOB; AddXkey(&cs, &arrow[A_K_DN].fun, arrow[A_K_DN].type);
891 cs.buf = stOC; AddXkey(&cs, &arrow[A_K_RT].fun, arrow[A_K_RT].type);
892 cs.buf = stOD; AddXkey(&cs, &arrow[A_K_LT].fun, arrow[A_K_LT].type);
893 cs.buf = stOH; AddXkey(&cs, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
894 cs.buf = stOF; AddXkey(&cs, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
895
896 if (VImode) {
897 cs.len = 2;
898 cs.buf = &strA[1]; AddXkey(&cs, &arrow[A_K_UP].fun, arrow[A_K_UP].type);
899 cs.buf = &strB[1]; AddXkey(&cs, &arrow[A_K_DN].fun, arrow[A_K_DN].type);
900 cs.buf = &strC[1]; AddXkey(&cs, &arrow[A_K_RT].fun, arrow[A_K_RT].type);
901 cs.buf = &strD[1]; AddXkey(&cs, &arrow[A_K_LT].fun, arrow[A_K_LT].type);
902 cs.buf = &strH[1]; AddXkey(&cs, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
903 cs.buf = &strF[1]; AddXkey(&cs, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
904 cs.buf = &stOA[1]; AddXkey(&cs, &arrow[A_K_UP].fun, arrow[A_K_UP].type);
905 cs.buf = &stOB[1]; AddXkey(&cs, &arrow[A_K_DN].fun, arrow[A_K_DN].type);
906 cs.buf = &stOC[1]; AddXkey(&cs, &arrow[A_K_RT].fun, arrow[A_K_RT].type);
907 cs.buf = &stOD[1]; AddXkey(&cs, &arrow[A_K_LT].fun, arrow[A_K_LT].type);
908 cs.buf = &stOH[1]; AddXkey(&cs, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
909 cs.buf = &stOF[1]; AddXkey(&cs, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
910 }
911 }
912
913
914 int
915 SetArrowKeys(name, fun, type)
916 CStr *name;
917 XmapVal *fun;
918 int type;
919 {
920 int i;
921 for (i = 0; i < A_K_NKEYS; i++)
922 if (Strcmp(name->buf, arrow[i].name) == 0) {
923 arrow[i].fun = *fun;
924 arrow[i].type = type;
925 return 0;
926 }
927 return -1;
928 }
929
930 int
931 IsArrowKey(name)
932 Char *name;
933 {
934 int i;
935 for (i = 0; i < A_K_NKEYS; i++)
936 if (Strcmp(name, arrow[i].name) == 0)
937 return 1;
938 return 0;
939 }
940
941 int
942 ClearArrowKeys(name)
943 CStr *name;
944 {
945 int i;
946 for (i = 0; i < A_K_NKEYS; i++)
947 if (Strcmp(name->buf, arrow[i].name) == 0) {
948 arrow[i].type = XK_NOD;
949 return 0;
950 }
951 return -1;
952 }
953
954 void
955 PrintArrowKeys(name)
956 CStr *name;
957 {
958 int i;
959
960 for (i = 0; i < A_K_NKEYS; i++)
961 if (name->len == 0 || Strcmp(name->buf, arrow[i].name) == 0)
962 if (arrow[i].type != XK_NOD) {
963 CStr cs;
964 cs.buf = arrow[i].name;
965 cs.len = Strlen(cs.buf);
966 (void) printOne(&cs, &arrow[i].fun, arrow[i].type);
967 }
968 }
969
970
971 void
972 BindArrowKeys()
973 {
974 KEYCMD *map, *dmap;
975 int i, j;
976 char *p;
977 CStr cs;
978
979 if (!GotTermCaps)
980 return;
981 map = VImode ? CcAltMap : CcKeyMap;
982 dmap = VImode ? CcViCmdMap : CcEmacsMap;
983
984 DefaultArrowKeys();
985
986 for (i = 0; i < A_K_NKEYS; i++) {
987 p = tstr[arrow[i].key].str;
988 if (p && *p) {
989 j = (unsigned char) *p;
990 cs.buf = str2short(p);
991 cs.len = Strlen(cs.buf);
992 /*
993 * Assign the arrow keys only if:
994 *
995 * 1. They are multi-character arrow keys and the user
996 * has not re-assigned the leading character, or
997 * has re-assigned the leading character to be F_XKEY
998 * 2. They are single arrow keys pointing to an unassigned key.
999 */
1000 if (arrow[i].type == XK_NOD) {
1001 ClearXkey(map, &cs);
1002 }
1003 else {
1004 if (p[1] && (dmap[j] == map[j] || map[j] == F_XKEY)) {
1005 AddXkey(&cs, &arrow[i].fun, arrow[i].type);
1006 map[j] = F_XKEY;
1007 }
1008 else if (map[j] == F_UNASSIGNED) {
1009 ClearXkey(map, &cs);
1010 if (arrow[i].type == XK_CMD)
1011 map[j] = arrow[i].fun.cmd;
1012 else
1013 AddXkey(&cs, &arrow[i].fun, arrow[i].type);
1014 }
1015 }
1016 }
1017 }
1018 }
1019
1020 static Char cur_atr = 0; /* current attributes */
1021
1022 void
1023 SetAttributes(atr)
1024 int atr;
1025 {
1026 atr &= ATTRIBUTES;
1027 if (atr != cur_atr) {
1028 if (me_all && GoodStr(T_me)) {
1029 if (((cur_atr & BOLD) && !(atr & BOLD)) ||
1030 ((cur_atr & UNDER) && !(atr & UNDER)) ||
1031 ((cur_atr & STANDOUT) && !(atr & STANDOUT))) {
1032 (void) tputs(Str(T_me), 1, PUTPURE);
1033 cur_atr = 0;
1034 }
1035 }
1036 if ((atr & BOLD) != (cur_atr & BOLD)) {
1037 if (atr & BOLD) {
1038 if (GoodStr(T_md) && GoodStr(T_me)) {
1039 (void) tputs(Str(T_md), 1, PUTPURE);
1040 cur_atr |= BOLD;
1041 }
1042 }
1043 else {
1044 if (GoodStr(T_md) && GoodStr(T_me)) {
1045 (void) tputs(Str(T_me), 1, PUTPURE);
1046 if ((cur_atr & STANDOUT) && GoodStr(T_se)) {
1047 (void) tputs(Str(T_se), 1, PUTPURE);
1048 cur_atr &= ~STANDOUT;
1049 }
1050 if ((cur_atr & UNDER) && GoodStr(T_ue)) {
1051 (void) tputs(Str(T_ue), 1, PUTPURE);
1052 cur_atr &= ~UNDER;
1053 }
1054 cur_atr &= ~BOLD;
1055 }
1056 }
1057 }
1058 if ((atr & STANDOUT) != (cur_atr & STANDOUT)) {
1059 if (atr & STANDOUT) {
1060 if (GoodStr(T_so) && GoodStr(T_se)) {
1061 (void) tputs(Str(T_so), 1, PUTPURE);
1062 cur_atr |= STANDOUT;
1063 }
1064 }
1065 else {
1066 if (GoodStr(T_se)) {
1067 (void) tputs(Str(T_se), 1, PUTPURE);
1068 cur_atr &= ~STANDOUT;
1069 }
1070 }
1071 }
1072 if ((atr & UNDER) != (cur_atr & UNDER)) {
1073 if (atr & UNDER) {
1074 if (GoodStr(T_us) && GoodStr(T_ue)) {
1075 (void) tputs(Str(T_us), 1, PUTPURE);
1076 cur_atr |= UNDER;
1077 }
1078 }
1079 else {
1080 if (GoodStr(T_ue)) {
1081 (void) tputs(Str(T_ue), 1, PUTPURE);
1082 cur_atr &= ~UNDER;
1083 }
1084 }
1085 }
1086 }
1087 }
1088
1089 /* PWP 6-27-88 -- if the tty driver thinks that we can tab, we ask termcap */
1090 int
1091 CanWeTab()
1092 {
1093 return (Val(T_pt));
1094 }
1095
1096 void
1097 MoveToLine(where) /* move to line <where> (first line == 0) */
1098 int where; /* as efficiently as possible; */
1099 {
1100 int del;
1101
1102 if (where == CursorV)
1103 return;
1104
1105 if (where > TermV) {
1106 #ifdef DEBUG_SCREEN
1107 xprintf("MoveToLine: where is ridiculous: %d\r\n", where);
1108 flush();
1109 #endif /* DEBUG_SCREEN */
1110 return;
1111 }
1112
1113 del = where - CursorV;
1114
1115 #ifndef WINNT_NATIVE
1116 if (del > 0) {
1117 while (del > 0) {
1118 if ((T_Margin & MARGIN_AUTO) && Display[CursorV][0] != '\0') {
1119 /* move without newline */
1120 MoveToChar(TermH - 1);
1121 so_write(&Display[CursorV][CursorH], 1); /* updates CursorH/V*/
1122 del--;
1123 }
1124 else {
1125 if ((del > 1) && GoodStr(T_DO)) {
1126 (void) tputs(tgoto(Str(T_DO), del, del), del, PUTPURE);
1127 del = 0;
1128 }
1129 else {
1130 for ( ; del > 0; del--)
1131 (void) putraw('\n');
1132 CursorH = 0; /* because the \n will become \r\n */
1133 }
1134 }
1135 }
1136 }
1137 else { /* del < 0 */
1138 if (GoodStr(T_UP) && (-del > 1 || !GoodStr(T_up)))
1139 (void) tputs(tgoto(Str(T_UP), -del, -del), -del, PUTPURE);
1140 else {
1141 int i;
1142 if (GoodStr(T_up))
1143 for (i = 0; i < -del; i++)
1144 (void) tputs(Str(T_up), 1, PUTPURE);
1145 }
1146 }
1147 #else /* WINNT_NATIVE */
1148 NT_MoveToLineOrChar(del, 1);
1149 #endif /* !WINNT_NATIVE */
1150 CursorV = where; /* now where is here */
1151 }
1152
1153 void
1154 MoveToChar(where) /* move to character position (where) */
1155 int where;
1156 { /* as efficiently as possible */
1157 #ifndef WINNT_NATIVE
1158 int del;
1159
1160 mc_again:
1161 #endif /* WINNT_NATIVE */
1162 if (where == CursorH)
1163 return;
1164
1165 if (where >= TermH) {
1166 #ifdef DEBUG_SCREEN
1167 xprintf("MoveToChar: where is riduculous: %d\r\n", where);
1168 flush();
1169 #endif /* DEBUG_SCREEN */
1170 return;
1171 }
1172
1173 if (!where) { /* if where is first column */
1174 (void) putraw('\r'); /* do a CR */
1175 CursorH = 0;
1176 return;
1177 }
1178
1179 #ifndef WINNT_NATIVE
1180 del = where - CursorH;
1181
1182 if ((del < -4 || del > 4) && GoodStr(T_ch))
1183 /* go there directly */
1184 (void) tputs(tgoto(Str(T_ch), where, where), where, PUTPURE);
1185 else {
1186 int i;
1187 if (del > 0) { /* moving forward */
1188 if ((del > 4) && GoodStr(T_RI))
1189 (void) tputs(tgoto(Str(T_RI), del, del), del, PUTPURE);
1190 else {
1191 /* if I can do tabs, use them */
1192 if (T_Tabs
1193 #ifdef DSPMBYTE
1194 && !_enable_mbdisp
1195 #endif /* DSPMBYTE */
1196 ) {
1197 if ((CursorH & 0370) != (where & 0370)) {
1198 /* if not within tab stop */
1199 for (i = (CursorH & 0370); i < (where & 0370); i += 8)
1200 (void) putraw('\t'); /* then tab over */
1201 CursorH = where & 0370;
1202 /* Note: considering that we often want to go to
1203 TermH - 1 for the wrapping, it would be nice to
1204 optimize this case by tabbing to the last column
1205 - but this doesn't work for all terminals! */
1206 }
1207 }
1208 /* it's usually cheaper to just write the chars, so we do. */
1209
1210 /* NOTE THAT so_write() WILL CHANGE CursorH!!! */
1211 so_write(&Display[CursorV][CursorH], where - CursorH);
1212
1213 }
1214 }
1215 else { /* del < 0 := moving backward */
1216 if ((-del > 4) && GoodStr(T_LE))
1217 (void) tputs(tgoto(Str(T_LE), -del, -del), -del, PUTPURE);
1218 else { /* can't go directly there */
1219 /* if the "cost" is greater than the "cost" from col 0 */
1220 if (T_Tabs ? (-del > ((where >> 3) + (where & 07)))
1221 : (-del > where)) {
1222 (void) putraw('\r'); /* do a CR */
1223 CursorH = 0;
1224 goto mc_again; /* and try again */
1225 }
1226 for (i = 0; i < -del; i++)
1227 (void) putraw('\b');
1228 }
1229 }
1230 }
1231 #else /* WINNT_NATIVE */
1232 NT_MoveToLineOrChar(where, 0);
1233 #endif /* !WINNT_NATIVE */
1234 CursorH = where; /* now where is here */
1235 }
1236
1237 void
1238 so_write(cp, n)
1239 register Char *cp;
1240 register int n;
1241 {
1242 if (n <= 0)
1243 return; /* catch bugs */
1244
1245 if (n > TermH) {
1246 #ifdef DEBUG_SCREEN
1247 xprintf("so_write: n is riduculous: %d\r\n", n);
1248 flush();
1249 #endif /* DEBUG_SCREEN */
1250 return;
1251 }
1252
1253 do {
1254 if (*cp & LITERAL) {
1255 extern Char *litptr[];
1256 Char *d;
1257
1258 #ifdef DEBUG_LITERAL
1259 xprintf("so: litnum %d, litptr %x\r\n",
1260 *cp & CHAR, litptr[*cp & CHAR]);
1261 #endif /* DEBUG_LITERAL */
1262 #if defined(WINNT_NATIVE) && !defined(COLOR_LS_F)
1263 {
1264 char buf[256], *ptr = &buf[0];
1265 for (d = litptr[*cp++ & CHAR]; *d & LITERAL; d++)
1266 *ptr++ = (*d & CHAR);
1267 flush();
1268 set_cons_attr(buf);
1269 }
1270 #else /* !WINNT_NATIVE || COLOR_LS_F */
1271 for (d = litptr[*cp++ & CHAR]; *d & LITERAL; d++)
1272 (void) putraw(*d & CHAR);
1273 #endif /* WINNT_NATIVE && !COLOR_LS_F */
1274 (void) putraw(*d);
1275
1276 }
1277 else
1278 (void) putraw(*cp++);
1279 CursorH++;
1280 } while (--n);
1281
1282 if (CursorH >= TermH) { /* wrap? */
1283 if (T_Margin & MARGIN_AUTO) { /* yes */
1284 CursorH = 0;
1285 CursorV++;
1286 if (T_Margin & MARGIN_MAGIC) {
1287 /* force the wrap to avoid the "magic" situation */
1288 Char c;
1289 if ((c = Display[CursorV][CursorH]) != '\0')
1290 so_write(&c, 1);
1291 else
1292 (void) putraw(' ');
1293 CursorH = 1;
1294 }
1295 }
1296 else /* no wrap, but cursor stays on screen */
1297 CursorH = TermH - 1;
1298 }
1299 }
1300
1301
1302 void
1303 DeleteChars(num) /* deletes <num> characters */
1304 int num;
1305 {
1306 if (num <= 0)
1307 return;
1308
1309 if (!T_CanDel) {
1310 #ifdef DEBUG_EDIT
1311 xprintf(CGETS(7, 16, "ERROR: cannot delete\r\n"));
1312 #endif /* DEBUG_EDIT */
1313 flush();
1314 return;
1315 }
1316
1317 if (num > TermH) {
1318 #ifdef DEBUG_SCREEN
1319 xprintf(CGETS(7, 17, "DeleteChars: num is riduculous: %d\r\n"), num);
1320 flush();
1321 #endif /* DEBUG_SCREEN */
1322 return;
1323 }
1324
1325 if (GoodStr(T_DC)) /* if I have multiple delete */
1326 if ((num > 1) || !GoodStr(T_dc)) { /* if dc would be more expen. */
1327 (void) tputs(tgoto(Str(T_DC), num, num), num, PUTPURE);
1328 return;
1329 }
1330
1331 if (GoodStr(T_dm)) /* if I have delete mode */
1332 (void) tputs(Str(T_dm), 1, PUTPURE);
1333
1334 if (GoodStr(T_dc)) /* else do one at a time */
1335 while (num--)
1336 (void) tputs(Str(T_dc), 1, PUTPURE);
1337
1338 if (GoodStr(T_ed)) /* if I have delete mode */
1339 (void) tputs(Str(T_ed), 1, PUTPURE);
1340 }
1341
1342 void
1343 Insert_write(cp, num) /* Puts terminal in insert character mode, */
1344 register Char *cp;
1345 register int num; /* or inserts num characters in the line */
1346 {
1347 if (num <= 0)
1348 return;
1349 if (!T_CanIns) {
1350 #ifdef DEBUG_EDIT
1351 xprintf(CGETS(7, 18, "ERROR: cannot insert\r\n"));
1352 #endif /* DEBUG_EDIT */
1353 flush();
1354 return;
1355 }
1356
1357 if (num > TermH) {
1358 #ifdef DEBUG_SCREEN
1359 xprintf(CGETS(7, 19, "StartInsert: num is riduculous: %d\r\n"), num);
1360 flush();
1361 #endif /* DEBUG_SCREEN */
1362 return;
1363 }
1364
1365 if (GoodStr(T_IC)) /* if I have multiple insert */
1366 if ((num > 1) || !GoodStr(T_ic)) { /* if ic would be more expen. */
1367 (void) tputs(tgoto(Str(T_IC), num, num), num, PUTPURE);
1368 so_write(cp, num); /* this updates CursorH/V */
1369 return;
1370 }
1371
1372 if (GoodStr(T_im) && GoodStr(T_ei)) { /* if I have insert mode */
1373 (void) tputs(Str(T_im), 1, PUTPURE);
1374
1375 CursorH += num;
1376 do
1377 (void) putraw(*cp++);
1378 while (--num);
1379
1380 if (GoodStr(T_ip)) /* have to make num chars insert */
1381 (void) tputs(Str(T_ip), 1, PUTPURE);
1382
1383 (void) tputs(Str(T_ei), 1, PUTPURE);
1384 return;
1385 }
1386
1387 do {
1388 if (GoodStr(T_ic)) /* have to make num chars insert */
1389 (void) tputs(Str(T_ic), 1, PUTPURE); /* insert a char */
1390
1391 (void) putraw(*cp++);
1392
1393 CursorH++;
1394
1395 if (GoodStr(T_ip)) /* have to make num chars insert */
1396 (void) tputs(Str(T_ip), 1, PUTPURE);/* pad the inserted char */
1397
1398 } while (--num);
1399
1400 }
1401
1402 void
1403 ClearEOL(num) /* clear to end of line. There are num */
1404 int num; /* characters to clear */
1405 {
1406 register int i;
1407
1408 if (num <= 0)
1409 return;
1410
1411 if (T_CanCEOL && GoodStr(T_ce))
1412 (void) tputs(Str(T_ce), 1, PUTPURE);
1413 else {
1414 for (i = 0; i < num; i++)
1415 (void) putraw(' ');
1416 CursorH += num; /* have written num spaces */
1417 }
1418 }
1419
1420 void
1421 ClearScreen()
1422 { /* clear the whole screen and home */
1423 if (GoodStr(T_cl))
1424 /* send the clear screen code */
1425 (void) tputs(Str(T_cl), Val(T_li), PUTPURE);
1426 else if (GoodStr(T_ho) && GoodStr(T_cd)) {
1427 (void) tputs(Str(T_ho), Val(T_li), PUTPURE); /* home */
1428 /* clear to bottom of screen */
1429 (void) tputs(Str(T_cd), Val(T_li), PUTPURE);
1430 }
1431 else {
1432 (void) putraw('\r');
1433 (void) putraw('\n');
1434 }
1435 }
1436
1437 void
1438 SoundBeep()
1439 { /* produce a sound */
1440 beep_cmd ();
1441 if (adrof(STRnobeep))
1442 return;
1443
1444 if (GoodStr(T_vb) && adrof(STRvisiblebell))
1445 (void) tputs(Str(T_vb), 1, PUTPURE); /* visible bell */
1446 else if (GoodStr(T_bl))
1447 /* what termcap says we should use */
1448 (void) tputs(Str(T_bl), 1, PUTPURE);
1449 else
1450 #ifndef WINNT_NATIVE
1451 (void) putraw(CTL_ESC('\007')); /* an ASCII bell; ^G */
1452 #else /* WINNT_NATIVE */
1453 MessageBeep(MB_ICONQUESTION);
1454 #endif /* !WINNT_NATIVE */
1455 }
1456
1457 void
1458 ClearToBottom()
1459 { /* clear to the bottom of the screen */
1460 if (GoodStr(T_cd))
1461 (void) tputs(Str(T_cd), Val(T_li), PUTPURE);
1462 else if (GoodStr(T_ce))
1463 (void) tputs(Str(T_ce), Val(T_li), PUTPURE);
1464 }
1465
1466 void
1467 GetTermCaps()
1468 { /* read in the needed terminal capabilites */
1469 register int i;
1470 char *ptr;
1471 char buf[TC_BUFSIZE];
1472 static char bp[TC_BUFSIZE];
1473 char *area;
1474 struct termcapstr *t;
1475
1476
1477 #ifdef SIG_WINDOW
1478 # ifdef BSDSIGS
1479 sigmask_t omask;
1480 # endif /* BSDSIGS */
1481 int lins, cols;
1482
1483 /* don't want to confuse things here */
1484 # ifdef BSDSIGS
1485 omask = sigblock(sigmask(SIG_WINDOW)) & ~sigmask(SIG_WINDOW);
1486 # else /* BSDSIGS */
1487 (void) sighold(SIG_WINDOW);
1488 # endif /* BSDSIGS */
1489 #endif /* SIG_WINDOW */
1490 area = buf;
1491
1492 GotTermCaps = 1;
1493
1494 setname("gettermcaps");
1495 ptr = getenv("TERM");
1496
1497 #ifdef apollo
1498 /*
1499 * If we are on a pad, we pretend that we are dumb. Otherwise the termcap
1500 * library will put us in a weird screen mode, thinking that we are going
1501 * to use curses
1502 */
1503 if (isapad())
1504 ptr = "dumb";
1505 #endif /* apollo */
1506
1507 if (!ptr || !ptr[0] || !strcmp(ptr, "wm") || !strcmp(ptr,"dmx"))
1508 ptr = "dumb";
1509
1510 setzero(bp, TC_BUFSIZE);
1511
1512 i = tgetent(bp, ptr);
1513 if (i <= 0) {
1514 if (i == -1) {
1515 #if (SYSVREL == 0) || defined(IRIS3D)
1516 xprintf(CGETS(7, 20, "%s: Cannot open /etc/termcap.\n"), progname);
1517 }
1518 else if (i == 0) {
1519 #endif /* SYSVREL */
1520 xprintf(CGETS(7, 21,
1521 "%s: No entry for terminal type \"%s\"\n"), progname,
1522 getenv("TERM"));
1523 }
1524 xprintf(CGETS(7, 22, "%s: using dumb terminal settings.\n"), progname);
1525 Val(T_co) = 80; /* do a dumb terminal */
1526 Val(T_pt) = Val(T_km) = Val(T_li) = 0;
1527 for (t = tstr; t->name != NULL; t++)
1528 TCalloc(t, NULL);
1529 }
1530 else {
1531 /* Can we tab */
1532 Val(T_pt) = tgetflag("pt") && !tgetflag("xt");
1533 /* do we have a meta? */
1534 Val(T_km) = (tgetflag("km") || tgetflag("MT"));
1535 Val(T_am) = tgetflag("am");
1536 Val(T_xn) = tgetflag("xn");
1537 Val(T_co) = tgetnum("co");
1538 Val(T_li) = tgetnum("li");
1539 for (t = tstr; t->name != NULL; t++)
1540 TCalloc(t, tgetstr(t->name, &area));
1541 }
1542 if (Val(T_co) < 2)
1543 Val(T_co) = 80; /* just in case */
1544 if (Val(T_li) < 1)
1545 Val(T_li) = 24;
1546
1547 T_Cols = (Char) Val(T_co);
1548 T_Lines = (Char) Val(T_li);
1549 if (T_Tabs)
1550 T_Tabs = (Char) Val(T_pt);
1551 T_HasMeta = (Char) Val(T_km);
1552 T_Margin = (Char) Val(T_am) ? MARGIN_AUTO : 0;
1553 T_Margin |= (Char) Val(T_xn) ? MARGIN_MAGIC : 0;
1554 T_CanCEOL = GoodStr(T_ce);
1555 T_CanDel = GoodStr(T_dc) || GoodStr(T_DC);
1556 T_CanIns = GoodStr(T_im) || GoodStr(T_ic) || GoodStr(T_IC);
1557 T_CanUP = GoodStr(T_up) || GoodStr(T_UP);
1558 if (GoodStr(T_me) && GoodStr(T_ue))
1559 me_all = (strcmp(Str(T_me), Str(T_ue)) == 0);
1560 else
1561 me_all = 0;
1562 if (GoodStr(T_me) && GoodStr(T_se))
1563 me_all |= (strcmp(Str(T_me), Str(T_se)) == 0);
1564
1565
1566 #ifdef DEBUG_SCREEN
1567 if (!T_CanUP) {
1568 xprintf(CGETS(7, 23, "%s: WARNING: Your terminal cannot move up.\n",
1569 progname));
1570 xprintf(CGETS(7, 24, "Editing may be odd for long lines.\n"));
1571 }
1572 if (!T_CanCEOL)
1573 xprintf(CGETS(7, 25, "no clear EOL capability.\n"));
1574 if (!T_CanDel)
1575 xprintf(CGETS(7, 26, "no delete char capability.\n"));
1576 if (!T_CanIns)
1577 xprintf(CGETS(7, 27, "no insert char capability.\n"));
1578 #endif /* DEBUG_SCREEN */
1579
1580
1581
1582 #ifdef SIG_WINDOW
1583 (void) GetSize(&lins, &cols); /* get the correct window size */
1584 ChangeSize(lins, cols);
1585
1586 # ifdef BSDSIGS
1587 (void) sigsetmask(omask); /* can change it again */
1588 # else /* BSDSIGS */
1589 (void) sigrelse(SIG_WINDOW);
1590 # endif /* BSDSIGS */
1591 #else /* SIG_WINDOW */
1592 ChangeSize(Val(T_li), Val(T_co));
1593 #endif /* SIG_WINDOW */
1594
1595 BindArrowKeys();
1596 }
1597
1598 #ifdef SIG_WINDOW
1599 /* GetSize():
1600 * Return the new window size in lines and cols, and
1601 * true if the size was changed. This can fail if SHIN
1602 * is not a tty, but it will work in most cases.
1603 */
1604 int
1605 GetSize(lins, cols)
1606 int *lins, *cols;
1607 {
1608 *cols = Val(T_co);
1609 *lins = Val(T_li);
1610
1611 #ifdef TIOCGWINSZ
1612 # define KNOWsize
1613 # ifndef lint
1614 {
1615 struct winsize ws; /* from 4.3 */
1616
1617 if (ioctl(SHIN, TIOCGWINSZ, (ioctl_t) &ws) != -1) {
1618 if (ws.ws_col)
1619 *cols = ws.ws_col;
1620 if (ws.ws_row)
1621 *lins = ws.ws_row;
1622 }
1623 }
1624 # endif /* !lint */
1625 #else /* TIOCGWINSZ */
1626 # ifdef TIOCGSIZE
1627 # define KNOWsize
1628 {
1629 struct ttysize ts; /* from Sun */
1630
1631 if (ioctl(SHIN, TIOCGSIZE, (ioctl_t) &ts) != -1) {
1632 if (ts.ts_cols)
1633 *cols = ts.ts_cols;
1634 if (ts.ts_lines)
1635 *lins = ts.ts_lines;
1636 }
1637 }
1638 # endif /* TIOCGSIZE */
1639 #endif /* TIOCGWINSZ */
1640
1641 return (Val(T_co) != *cols || Val(T_li) != *lins);
1642 }
1643
1644 #endif /* SIGWINDOW */
1645
1646 void
1647 ChangeSize(lins, cols)
1648 int lins, cols;
1649 {
1650 /*
1651 * Just in case
1652 */
1653 Val(T_co) = (cols < 2) ? 80 : cols;
1654 Val(T_li) = (lins < 1) ? 24 : lins;
1655
1656 #ifdef WINNT_NATIVE
1657 nt_set_size(lins,cols);
1658 #endif /* WINNT_NATIVE */
1659 #ifdef KNOWsize
1660 /*
1661 * We want to affect the environment only when we have a valid
1662 * setup, not when we get bad settings. Consider the following scenario:
1663 * We just logged in, and we have not initialized the editor yet.
1664 * We reset termcap with tset, and not $TERMCAP has the right
1665 * terminal size. But since the editor is not initialized yet, and
1666 * the kernel's notion of the terminal size might be wrong we arrive
1667 * here with lines = columns = 0. If we reset the environment we lose
1668 * our only chance to get the window size right.
1669 */
1670 if (Val(T_co) == cols && Val(T_li) == lins) {
1671 Char buf[10];
1672 char *tptr;
1673
1674 if (getenv("COLUMNS")) {
1675 (void) Itoa(Val(T_co), buf, 0, 0);
1676 tsetenv(STRCOLUMNS, buf);
1677 }
1678
1679 if (getenv("LINES")) {
1680 (void) Itoa(Val(T_li), buf, 0, 0);
1681 tsetenv(STRLINES, buf);
1682 }
1683
1684 if ((tptr = getenv("TERMCAP")) != NULL) {
1685 /* Leave 64 characters slop in case we enlarge the termcap string */
1686 Char termcap[1024+64], backup[1024+64], *ptr;
1687 int i;
1688
1689 ptr = str2short(tptr);
1690 (void) Strncpy(termcap, ptr, 1024);
1691 termcap[1023] = '\0';
1692
1693 /* update termcap string; first do columns */
1694 buf[0] = 'c';
1695 buf[1] = 'o';
1696 buf[2] = '#';
1697 buf[3] = '\0';
1698 if ((ptr = Strstr(termcap, buf)) == NULL) {
1699 (void) Strcpy(backup, termcap);
1700 }
1701 else {
1702 i = (int) (ptr - termcap + Strlen(buf));
1703 (void) Strncpy(backup, termcap, (size_t) i);
1704 backup[i] = '\0';
1705 (void) Itoa(Val(T_co), buf, 0, 0);
1706 (void) Strcat(backup + i, buf);
1707 ptr = Strchr(ptr, ':');
1708 (void) Strcat(backup, ptr);
1709 }
1710
1711 /* now do lines */
1712 buf[0] = 'l';
1713 buf[1] = 'i';
1714 buf[2] = '#';
1715 buf[3] = '\0';
1716 if ((ptr = Strstr(backup, buf)) == NULL) {
1717 (void) Strcpy(termcap, backup);
1718 }
1719 else {
1720 i = (int) (ptr - backup + Strlen(buf));
1721 (void) Strncpy(termcap, backup, (size_t) i);
1722 termcap[i] = '\0';
1723 (void) Itoa(Val(T_li), buf, 0, 0);
1724 (void) Strcat(termcap, buf);
1725 ptr = Strchr(ptr, ':');
1726 (void) Strcat(termcap, ptr);
1727 }
1728 /*
1729 * Chop the termcap string at 1024 characters to avoid core-dumps
1730 * in the termcap routines
1731 */
1732 termcap[1023] = '\0';
1733 tsetenv(STRTERMCAP, termcap);
1734 }
1735 }
1736 #endif /* KNOWsize */
1737
1738 ReBufferDisplay(); /* re-make display buffers */
1739 ClearDisp();
1740 }
DragonFly BSD