ite.c revision 1.11 1 /*
2 * Copyright (c) 1988 University of Utah.
3 * Copyright (c) 1990 The Regents of the University of California.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * the Systems Programming Group of the University of Utah Computer
8 * Science Department.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the University of
21 * California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * from: Utah Hdr: ite.c 1.1 90/07/09
39 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91
40 * $Id: ite.c,v 1.11 1994/02/21 09:34:19 chopps Exp $
41 */
42
43 /*
44 * ite - bitmaped terminal.
45 * Supports VT200, a few terminal features will be unavailable until
46 * the system actually probes the device (i.e. not after consinit())
47 */
48
49 #include "ite.h"
50 #if NITE > 0
51
52 #include <sys/param.h>
53 #include <sys/conf.h>
54 #include <sys/malloc.h>
55 #include <sys/ioctl.h>
56 #include <sys/tty.h>
57 #include <sys/termios.h>
58 #include <sys/systm.h>
59 #include <sys/proc.h>
60 #include <dev/cons.h>
61
62 #include <amiga/amiga/kdassert.h>
63 #include <amiga/dev/iteioctl.h>
64 #include <amiga/dev/itevar.h>
65 #include <amiga/dev/kbdmap.h>
66
67 struct itesw itesw[] =
68 {
69 view_cnprobe, view_init, view_deinit, 0,
70 0, 0, 0,
71 tiga_cnprobe, tiga_init, tiga_deinit, tiga_clear,
72 tiga_putc, tiga_cursor, tiga_scroll,
73 retina_cnprobe, retina_init, retina_deinit, retina_clear,
74 retina_putc, retina_cursor, retina_scroll
75 };
76
77 #undef NITE
78 #define NITE 3 /* always corrisponds to itesw */
79
80 struct ite_softc ite_softc[NITE]; /* device struct */
81 struct tty *ite_tty[NITE]; /* ttys associated with ite's */
82 int nunits = sizeof(itesw) / sizeof(struct itesw);
83
84 int start_repeat_timeo = 20; /* first repeat after. */
85 int next_repeat_timeo = 5; /* next repeat after. */
86
87 u_char cons_tabs[MAX_TABS];
88
89 struct ite_softc *kbd_ite;
90 int kbd_init;
91
92 static char *index __P((const char *, char));
93 static int inline atoi __P((const char *));
94 void iteputchar __P((int c, struct ite_softc *ip));
95 void ite_putstr __P((const char * s, int len, dev_t dev));
96
97 #define SUBR_CNPROBE(min) itesw[min].ite_cnprobe(min)
98 #define SUBR_INIT(ip) ip->itesw->ite_init(ip)
99 #define SUBR_DEINIT(ip) ip->itesw->ite_deinit(ip)
100 #define SUBR_PUTC(ip,c,dy,dx,m) ip->itesw->ite_putc(ip,c,dy,dx,m)
101 #define SUBR_CURSOR(ip,flg) ip->itesw->ite_cursor(ip,flg)
102 #define SUBR_CLEAR(ip,sy,sx,h,w) ip->itesw->ite_clear(ip,sy,sx,h,w)
103 #define SUBR_SCROLL(ip,sy,sx,count,dir) \
104 ip->itesw->ite_scroll(ip,sy,sx,count,dir)
105
106 #if defined (__STDC__)
107 #define GET_CHRDEV_MAJOR(dev, maj) { \
108 for(maj = 0; maj < nchrdev; maj++) \
109 if (cdevsw[maj].d_open == dev ## open) \
110 break; \
111 }
112 #else
113 #define GET_CHRDEV_MAJOR(dev, maj) { \
114 for(maj = 0; maj < nchrdev; maj++) \
115 if (cdevsw[maj].d_open == dev/**/open) \
116 break; \
117 }
118 #endif
119
120 /*
121 * cons.c entry points into ite device.
122 */
123
124 /*
125 * Return a priority in consdev->cn_pri field highest wins. This function
126 * is called before any devices have been probed.
127 */
128 void
129 ite_cnprobe(cd)
130 struct consdev *cd;
131 {
132 int unit, last, use, maj, cur;
133
134 use = -1;
135 last = 0;
136
137 /* XXX need to bring the graphics layer up. */
138 grfconfig();
139
140 GET_CHRDEV_MAJOR(ite, maj);
141
142 cd->cn_pri = CN_DEAD;
143 for (unit = 0; unit < nunits; unit++) {
144 cur = SUBR_CNPROBE(unit);
145 if (cur == CN_DEAD)
146 continue;
147 else if (last <= cur) {
148 last = cur;
149 use = unit;
150 }
151 ite_softc[unit].flags |= ITE_ALIVE;
152 }
153 if (use != -1) {
154 cd->cn_pri = last;
155 cd->cn_dev = makedev(maj, use);
156 }
157 }
158
159 void
160 ite_cninit(cd)
161 struct consdev *cd;
162 {
163 struct ite_softc *ip = &ite_softc[minor(cd->cn_dev)];
164
165 ip->tabs = cons_tabs;
166 iteinit(cd->cn_dev); /* init console unit */
167 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
168 kbd_ite = ip;
169 }
170
171 /*
172 * ite_cnfinish() is called in ite_init() when the device is
173 * being probed in the normal fasion, thus we can finish setting
174 * up this ite now that the system is more functional.
175 */
176 void
177 ite_cnfinish(ip)
178 struct ite_softc *ip;
179 {
180 static int done;
181
182 if (done)
183 return;
184 done = 1;
185 }
186
187 int
188 ite_cngetc(dev)
189 dev_t dev;
190 {
191 int c;
192
193 /* XXX this should be moved */
194 if (!kbd_init) {
195 kbd_init = 1;
196 kbdenable();
197 }
198 do {
199 c = kbdgetcn();
200 c = ite_cnfilter(c, ITEFILT_CONSOLE);
201 } while (c == -1);
202 return (c);
203 }
204
205 void
206 ite_cnputc(dev, c)
207 dev_t dev;
208 int c;
209 {
210 static int paniced = 0;
211 struct ite_softc *ip = &ite_softc[minor(dev)];
212 char ch = c;
213
214 if (panicstr && !paniced &&
215 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
216 (void)ite_on(dev, 3);
217 paniced = 1;
218 }
219 ite_putstr(&ch, 1, dev);
220 }
221
222 /*
223 * standard entry points to the device.
224 */
225
226 /*
227 * iteinit() is the standard entry point for initialization of
228 * an ite device, it is also called from ite_cninit().
229 */
230 void
231 iteinit(dev)
232 dev_t dev;
233 {
234 struct ite_softc *ip;
235
236 ip = &ite_softc[minor(dev)];
237 if (ip->flags & ITE_INITED)
238 return;
239 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
240
241 ip->cursorx = 0;
242 ip->cursory = 0;
243 ip->itesw = &itesw[minor(dev)];
244 SUBR_INIT(ip);
245 SUBR_CURSOR(ip, DRAW_CURSOR);
246 if (!ip->tabs)
247 ip->tabs =
248 malloc(MAX_TABS * sizeof(u_char), M_DEVBUF, M_WAITOK);
249 ite_reset(ip);
250 /* draw cursor? */
251 ip->flags |= ITE_INITED;
252 }
253
254 int
255 iteopen(dev, mode, devtype, p)
256 dev_t dev;
257 int mode, devtype;
258 struct proc *p;
259 {
260 int unit = minor(dev);
261 struct ite_softc *ip = &ite_softc[unit];
262 struct tty *tp;
263 int error;
264 int first = 0;
265
266 if (unit >= NITE)
267 return (ENXIO);
268
269 if (!ite_tty[unit])
270 tp = ite_tty[unit] = ttymalloc();
271 else
272 tp = ite_tty[unit];
273 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
274 && p->p_ucred->cr_uid != 0)
275 return (EBUSY);
276 if ((ip->flags & ITE_ACTIVE) == 0) {
277 error = ite_on(dev, 0);
278 if (error)
279 return (error);
280 first = 1;
281 }
282 tp->t_oproc = itestart;
283 tp->t_param = ite_param;
284 tp->t_dev = dev;
285 if ((tp->t_state & TS_ISOPEN) == 0) {
286 ttychars(tp);
287 tp->t_iflag = TTYDEF_IFLAG;
288 tp->t_oflag = TTYDEF_OFLAG;
289 tp->t_cflag = TTYDEF_CFLAG;
290 tp->t_lflag = TTYDEF_LFLAG;
291 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
292 tp->t_state = TS_WOPEN | TS_CARR_ON;
293 ttsetwater(tp);
294 }
295 error = (*linesw[tp->t_line].l_open) (dev, tp);
296 if (error == 0) {
297 tp->t_winsize.ws_row = ip->rows;
298 tp->t_winsize.ws_col = ip->cols;
299 if (!kbd_init) {
300 kbd_init = 1;
301 kbdenable();
302 }
303 } else if (first)
304 ite_off(dev, 0);
305 return (error);
306 }
307
308 int
309 iteclose(dev, flag, mode, p)
310 dev_t dev;
311 int flag, mode;
312 struct proc *p;
313 {
314 struct tty *tp = ite_tty[minor(dev)];
315
316 KDASSERT(tp);
317 (*linesw[tp->t_line].l_close) (tp, flag);
318 ttyclose(tp);
319 ite_off(dev, 0);
320 return (0);
321 }
322
323 int
324 iteread(dev, uio, flag)
325 dev_t dev;
326 struct uio *uio;
327 int flag;
328 {
329 struct tty *tp = ite_tty[minor(dev)];
330
331 KDASSERT(tp);
332 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
333 }
334
335 int
336 itewrite(dev, uio, flag)
337 dev_t dev;
338 struct uio *uio;
339 int flag;
340 {
341 struct tty *tp = ite_tty[minor(dev)];
342
343 KDASSERT(tp);
344 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
345 }
346
347 int
348 iteioctl(dev, cmd, addr, flag, p)
349 dev_t dev;
350 int cmd, flag;
351 caddr_t addr;
352 struct proc *p;
353 {
354 struct ite_softc *ip = &ite_softc[minor(dev)];
355 struct tty *tp = ite_tty[minor(dev)];
356 int error;
357
358 KDASSERT(tp);
359
360 error = (*linesw[tp->t_line].l_ioctl) (tp, cmd, addr, flag, p);
361 if (error >= 0)
362 return (error);
363 error = ttioctl(tp, cmd, addr, flag, p);
364 if (error >= 0)
365 return (error);
366
367 switch (cmd) {
368 case ITELOADKMAP:
369 if (addr) {
370 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
371
372 return 0;
373 } else
374 return EFAULT;
375 case ITEGETKMAP:
376 if (addr) {
377 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
378
379 return 0;
380 } else
381 return EFAULT;
382 }
383 /* XXX */
384 if (minor(dev) == 0) {
385 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
386 if (error >= 0)
387 return (error);
388 }
389 return (ENOTTY);
390 }
391
392 void
393 itestart(tp)
394 struct tty *tp;
395 {
396 struct clist *rbp;
397 struct ite_softc *ip = &ite_softc[minor(tp->t_dev)];
398 u_char buf[ITEBURST];
399 int s, len, n;
400
401 KDASSERT(tp);
402
403 s = spltty(); {
404 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
405 goto out;
406
407 tp->t_state |= TS_BUSY;
408 rbp = &tp->t_outq;
409
410 len = q_to_b(rbp, buf, ITEBURST);
411 } splx(s);
412
413 /* Here is a really good place to implement pre/jumpscroll() */
414 ite_putstr(buf, len, tp->t_dev);
415
416 s = spltty(); {
417 tp->t_state &= ~TS_BUSY;
418 /* we have characters remaining. */
419 if (rbp->c_cc) {
420 tp->t_state |= TS_TIMEOUT;
421 timeout((timeout_t) ttrstrt, (caddr_t) tp, 1);
422 }
423 /* wakeup we are below */
424 if (rbp->c_cc <= tp->t_lowat) {
425 if (tp->t_state & TS_ASLEEP) {
426 tp->t_state &= ~TS_ASLEEP;
427 wakeup((caddr_t) rbp);
428 }
429 selwakeup(&tp->t_wsel);
430 }
431 out:
432 } splx(s);
433 }
434
435 int
436 ite_on(dev, flag)
437 dev_t dev;
438 int flag;
439 {
440 int unit = minor(dev);
441 struct ite_softc *ip = &ite_softc[unit];
442
443 if (unit < 0 || unit >= NITE || (ip->flags & ITE_ALIVE) == 0)
444 return (ENXIO);
445 /* force ite active, overriding graphics mode */
446 if (flag & 1) {
447 ip->flags |= ITE_ACTIVE;
448 ip->flags &= ~(ITE_INGRF | ITE_INITED);
449 }
450 /* leave graphics mode */
451 if (flag & 2) {
452 ip->flags &= ~ITE_INGRF;
453 if ((ip->flags & ITE_ACTIVE) == 0)
454 return (0);
455 }
456 ip->flags |= ITE_ACTIVE;
457 if (ip->flags & ITE_INGRF)
458 return (0);
459 iteinit(dev);
460 return (0);
461 }
462
463 int
464 ite_off(dev, flag)
465 dev_t dev;
466 int flag;
467 {
468 register struct ite_softc *ip = &ite_softc[minor(dev)];
469
470 if (flag & 2)
471 ip->flags |= ITE_INGRF;
472 if ((ip->flags & ITE_ACTIVE) == 0)
473 return;
474 if ((flag & 1) ||
475 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
476 SUBR_DEINIT(ip);
477 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
478 ip->flags &= ~ITE_ACTIVE;
479 }
480
481 /* XXX called after changes made in underlying grf layer. */
482 /* I want to nuke this */
483 void
484 ite_reinit(dev)
485 dev_t dev;
486 {
487 struct ite_softc *ip = &ite_softc[minor(dev)];
488
489 ip->flags &= ~ITE_INITED;
490 iteinit(dev);
491 }
492
493 int
494 ite_param(tp, t)
495 struct tty *tp;
496 struct termios *t;
497 {
498 tp->t_ispeed = t->c_ispeed;
499 tp->t_ospeed = t->c_ospeed;
500 tp->t_cflag = t->c_cflag;
501 return (0);
502 }
503
504 void
505 ite_reset(ip)
506 struct ite_softc *ip;
507 {
508 int i;
509
510 ip->curx = 0;
511 ip->cury = 0;
512 ip->attribute = ATTR_NOR;
513 ip->save_curx = 0;
514 ip->save_cury = 0;
515 ip->save_attribute = ATTR_NOR;
516 ip->ap = ip->argbuf;
517 ip->emul_level = 0;
518 ip->eightbit_C1 = 0;
519 ip->top_margin = 0;
520 ip->bottom_margin = ip->rows - 1;
521 ip->inside_margins = 0;
522 ip->linefeed_newline = 0;
523 ip->auto_wrap = 0;
524 ip->cursor_appmode = 0;
525 ip->keypad_appmode = 0;
526 ip->imode = 0;
527 ip->key_repeat = 1;
528 bzero(ip->tabs, ip->cols);
529 for (i = 0; i < ip->cols; i++)
530 ip->tabs[i] = ((i & 7) == 0);
531 }
532
533 /* Used in console at startup only */
534 int
535 ite_cnfilter(c, caller)
536 u_char c;
537 enum caller caller;
538 {
539 struct tty *kbd_tty;
540 static u_char mod = 0;
541 static u_char last_dead = 0;
542 struct key key;
543 u_char code, up, mask;
544 int s, i;
545
546 up = c & 0x80 ? 1 : 0;
547 c &= 0x7f;
548 code = 0;
549
550 s = spltty();
551
552 i = (int)c - KBD_LEFT_SHIFT;
553 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
554 mask = 1 << i;
555 if (up)
556 mod &= ~mask;
557 else
558 mod |= mask;
559 splx(s);
560 return -1;
561 }
562
563 if (up) {
564 splx(s);
565 return -1;
566 }
567
568 /* translate modifiers */
569 if (mod & KBD_MOD_SHIFT) {
570 if (mod & KBD_MOD_ALT)
571 key = kbdmap.alt_shift_keys[c];
572 else
573 key = kbdmap.shift_keys[c];
574 } else if (mod & KBD_MOD_ALT)
575 key = kbdmap.alt_keys[c];
576 else {
577 key = kbdmap.keys[c];
578 /* if CAPS and key is CAPable (no pun intended) */
579 if ((mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
580 key = kbdmap.shift_keys[c];
581 }
582 code = key.code;
583
584 /* if string return */
585 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
586 splx(s);
587 return -1;
588 }
589 /* handle dead keys */
590 if (key.mode & KBD_MODE_DEAD) {
591 /* if entered twice, send accent itself */
592 if (last_dead == key.mode & KBD_MODE_ACCMASK)
593 last_dead = 0;
594 else {
595 last_dead = key.mode & KBD_MODE_ACCMASK;
596 splx(s);
597 return -1;
598 }
599 }
600 if (last_dead) {
601 /* can't apply dead flag to string-keys */
602 if (code >= '@' && code < 0x7f)
603 code =
604 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
605 last_dead = 0;
606 }
607 if (mod & KBD_MOD_CTRL)
608 code &= 0x1f;
609 if (mod & KBD_MOD_META)
610 code |= 0x80;
611
612 /* do console mapping. */
613 code = code == '\r' ? '\n' : code;
614
615 splx(s);
616 return (code);
617 }
618
619 /* And now the old stuff. */
620
621 /* these are used to implement repeating keys.. */
622 static u_char last_char = 0;
623 static u_char tout_pending = 0;
624
625 static void
626 repeat_handler(a0, a1)
627 int a0, a1;
628 {
629 tout_pending = 0;
630 if (last_char)
631 add_sicallback(ite_filter, last_char, ITEFILT_REPEATER);
632 }
633
634 void
635 ite_filter(c, caller)
636 u_char c;
637 enum caller caller;
638 {
639 struct tty *kbd_tty;
640 static u_char mod = 0;
641 static u_char last_dead = 0;
642 u_char code, *str, up, mask;
643 struct key key;
644 int s, i;
645
646 if (!kbd_ite)
647 return;
648 kbd_tty = ite_tty[kbd_ite - ite_softc];
649
650 /* have to make sure we're at spltty in here */
651 s = spltty();
652
653 /*
654 * keyboard interrupts come at priority 2, while softint
655 * generated keyboard-repeat interrupts come at level 1. So,
656 * to not allow a key-up event to get thru before a repeat for
657 * the key-down, we remove any outstanding callout requests..
658 */
659 rem_sicallback(ite_filter);
660
661 up = c & 0x80 ? 1 : 0;
662 c &= 0x7f;
663 code = 0;
664
665 i = (int)c - KBD_LEFT_SHIFT;
666 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
667 mask = 1 << i;
668 if (up)
669 mod &= ~mask;
670 else
671 mod |= mask;
672 splx(s);
673 return;
674 }
675 /* stop repeating on up event */
676 if (up) {
677 if (tout_pending) {
678 untimeout((timeout_t) repeat_handler, 0);
679 tout_pending = 0;
680 last_char = 0;
681 }
682 splx(s);
683 return;
684 } else if (tout_pending && last_char != c) {
685 /* different character, stop also */
686 untimeout((timeout_t) repeat_handler, 0);
687 tout_pending = 0;
688 last_char = 0;
689 }
690 /* Safety button, switch back to ascii keymap. */
691 if (mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
692 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
693
694 splx(s);
695 return;
696 }
697 /* translate modifiers */
698 if (mod & KBD_MOD_SHIFT) {
699 if (mod & KBD_MOD_ALT)
700 key = kbdmap.alt_shift_keys[c];
701 else
702 key = kbdmap.shift_keys[c];
703 } else if (mod & KBD_MOD_ALT)
704 key = kbdmap.alt_keys[c];
705 else {
706 key = kbdmap.keys[c];
707 /* if CAPS and key is CAPable (no pun intended) */
708 if ((mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
709 key = kbdmap.shift_keys[c];
710 }
711 code = key.code;
712
713 /*
714 * arrange to repeat the keystroke. By doing this at the level
715 * of scan-codes, we can have function keys, and keys that
716 * send strings, repeat too. This also entitles an additional
717 * overhead, since we have to do the conversion each time, but
718 * I guess that's ok.
719 */
720 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
721 tout_pending = 1;
722 last_char = c;
723 timeout((timeout_t) repeat_handler, 0, start_repeat_timeo);
724 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
725 kbd_ite->key_repeat) {
726 tout_pending = 1;
727 last_char = c;
728 timeout((timeout_t) repeat_handler, 0, next_repeat_timeo);
729 }
730 /* handle dead keys */
731 if (key.mode & KBD_MODE_DEAD) {
732 /* if entered twice, send accent itself */
733 if (last_dead == key.mode & KBD_MODE_ACCMASK)
734 last_dead = 0;
735 else {
736 last_dead = key.mode & KBD_MODE_ACCMASK;
737 splx(s);
738 return;
739 }
740 }
741 if (last_dead) {
742 /* can't apply dead flag to string-keys */
743 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
744 code < 0x7f)
745 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
746 last_dead = 0;
747 }
748 /* if not string, apply META and CTRL modifiers */
749 if (!(key.mode & KBD_MODE_STRING)
750 && (!(key.mode & KBD_MODE_KPAD) ||
751 (kbd_ite && !kbd_ite->keypad_appmode))) {
752 if (mod & KBD_MOD_CTRL)
753 code &= 0x1f;
754 if (mod & KBD_MOD_META)
755 code |= 0x80;
756 } else if ((key.mode & KBD_MODE_KPAD) &&
757 (kbd_ite && kbd_ite->keypad_appmode)) {
758 static char *in = "0123456789-+.\r()/*";
759 static char *out = "pqrstuvwxymlnMPQRS";
760 char *cp;
761
762 /*
763 * keypad-appmode sends SS3 followed by the above
764 * translated character
765 */
766 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
767 (*linesw[kbd_tty->t_line].l_rint) ('0', kbd_tty);
768 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
769 splx(s);
770 return;
771 } else {
772 /* *NO* I don't like this.... */
773 static u_char app_cursor[] =
774 {
775 3, 27, 'O', 'A',
776 3, 27, 'O', 'B',
777 3, 27, 'O', 'C',
778 3, 27, 'O', 'D'};
779
780 str = kbdmap.strings + code;
781 /*
782 * if this is a cursor key, AND it has the default
783 * keymap setting, AND we're in app-cursor mode, switch
784 * to the above table. This is *nasty* !
785 */
786 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
787 && !bcmp(str, "\x03\x1b[", 3) &&
788 index("ABCD", str[3]))
789 str = app_cursor + 4 * (str[3] - 'A');
790
791 /*
792 * using a length-byte instead of 0-termination allows
793 * to embed \0 into strings, although this is not used
794 * in the default keymap
795 */
796 for (i = *str++; i; i--)
797 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
798 splx(s);
799 return;
800 }
801 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
802
803 splx(s);
804 return;
805 }
806
807 /* helper functions, makes the code below more readable */
808 static void inline
809 ite_sendstr(str)
810 char *str;
811 {
812 struct tty *kbd_tty = ite_tty[kbd_ite - ite_softc];
813
814 KDASSERT(kbd_tty);
815 while (*str)
816 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
817 }
818
819 static void
820 alignment_display(ip)
821 struct ite_softc *ip;
822 {
823 int i, j;
824
825 for (j = 0; j < ip->rows; j++)
826 for (i = 0; i < ip->cols; i++)
827 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
828 attrclr(ip, 0, 0, ip->rows, ip->cols);
829 SUBR_CURSOR(ip, DRAW_CURSOR);
830 }
831
832 static void inline
833 snap_cury(ip)
834 struct ite_softc *ip;
835 {
836 if (ip->inside_margins)
837 {
838 if (ip->cury < ip->top_margin)
839 ip->cury = ip->top_margin;
840 if (ip->cury > ip->bottom_margin)
841 ip->cury = ip->bottom_margin;
842 }
843 }
844
845 static void inline
846 ite_dnchar(ip, n)
847 struct ite_softc *ip;
848 int n;
849 {
850 n = MIN(n, ip->cols - ip->curx);
851 if (n < ip->cols - ip->curx)
852 {
853 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
854 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
855 1, ip->cols - ip->curx - n);
856 attrclr(ip, ip->cury, ip->cols - n, 1, n);
857 }
858 while (n-- > 0)
859 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
860 SUBR_CURSOR(ip, DRAW_CURSOR);
861 }
862
863 static void inline
864 ite_inchar(ip, n)
865 struct ite_softc *ip;
866 int n;
867 {
868 n = MIN(n, ip->cols - ip->curx);
869 if (n < ip->cols - ip->curx)
870 {
871 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
872 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
873 1, ip->cols - ip->curx - n);
874 attrclr(ip, ip->cury, ip->curx, 1, n);
875 }
876 while (n--)
877 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
878 SUBR_CURSOR(ip, DRAW_CURSOR);
879 }
880
881 static void inline
882 ite_clrtoeol(ip)
883 struct ite_softc *ip;
884 {
885 int y = ip->cury, x = ip->curx;
886 if (ip->cols - x > 0)
887 {
888 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
889 attrclr(ip, y, x, 1, ip->cols - x);
890 SUBR_CURSOR(ip, DRAW_CURSOR);
891 }
892 }
893
894 static void inline
895 ite_clrtobol(ip)
896 struct ite_softc *ip;
897 {
898 int y = ip->cury, x = MIN(ip->curx + 1, ip->cols);
899 SUBR_CLEAR(ip, y, 0, 1, x);
900 attrclr(ip, y, 0, 1, x);
901 SUBR_CURSOR(ip, DRAW_CURSOR);
902 }
903
904 static void inline
905 ite_clrline(ip)
906 struct ite_softc *ip;
907 {
908 int y = ip->cury;
909 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
910 attrclr(ip, y, 0, 1, ip->cols);
911 SUBR_CURSOR(ip, DRAW_CURSOR);
912 }
913
914
915
916 static void inline
917 ite_clrtoeos(ip)
918 struct ite_softc *ip;
919 {
920 ite_clrtoeol(ip);
921 if (ip->cury < ip->rows - 1)
922 {
923 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
924 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
925 SUBR_CURSOR(ip, DRAW_CURSOR);
926 }
927 }
928
929 static void inline
930 ite_clrtobos(ip)
931 struct ite_softc *ip;
932 {
933 ite_clrtobol(ip);
934 if (ip->cury > 0)
935 {
936 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
937 attrclr(ip, 0, 0, ip->cury, ip->cols);
938 SUBR_CURSOR(ip, DRAW_CURSOR);
939 }
940 }
941
942 static void inline
943 ite_clrscreen(ip)
944 struct ite_softc *ip;
945 {
946 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
947 attrclr(ip, 0, 0, ip->rows, ip->cols);
948 SUBR_CURSOR(ip, DRAW_CURSOR);
949 }
950
951
952
953 static void inline
954 ite_dnline(ip, n)
955 struct ite_softc *ip;
956 int n;
957 {
958 /* interesting.. if the cursor is outside the scrolling
959 region, this command is simply ignored.. */
960 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
961 return;
962
963 n = MIN(n, ip->bottom_margin + 1 - ip->cury);
964 if (n <= ip->bottom_margin - ip->cury)
965 {
966 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
967 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
968 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
969 }
970 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
971 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
972 SUBR_CURSOR(ip, DRAW_CURSOR);
973 }
974
975 static void inline
976 ite_inline(ip, n)
977 struct ite_softc *ip;
978 int n;
979 {
980 /* interesting.. if the cursor is outside the scrolling
981 region, this command is simply ignored.. */
982 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
983 return;
984
985 n = MIN(n, ip->bottom_margin + 1 - ip->cury);
986 if (n <= ip->bottom_margin - ip->cury)
987 {
988 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
989 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
990 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
991 }
992 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
993 attrclr(ip, ip->cury, 0, n, ip->cols);
994 SUBR_CURSOR(ip, DRAW_CURSOR);
995 }
996
997 static void inline
998 ite_lf (ip)
999 struct ite_softc *ip;
1000 {
1001 ++ip->cury;
1002 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1003 {
1004 ip->cury--;
1005 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1006 ite_clrline(ip);
1007 }
1008 SUBR_CURSOR(ip, MOVE_CURSOR);
1009 clr_attr(ip, ATTR_INV);
1010 }
1011
1012 static void inline
1013 ite_crlf (ip)
1014 struct ite_softc *ip;
1015 {
1016 ip->curx = 0;
1017 ite_lf (ip);
1018 }
1019
1020 static void inline
1021 ite_cr (ip)
1022 struct ite_softc *ip;
1023 {
1024 if (ip->curx)
1025 {
1026 ip->curx = 0;
1027 SUBR_CURSOR(ip, MOVE_CURSOR);
1028 }
1029 }
1030
1031 static void inline
1032 ite_rlf (ip)
1033 struct ite_softc *ip;
1034 {
1035 ip->cury--;
1036 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1037 {
1038 ip->cury++;
1039 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1040 ite_clrline(ip);
1041 }
1042 SUBR_CURSOR(ip, MOVE_CURSOR);
1043 clr_attr(ip, ATTR_INV);
1044 }
1045
1046 static int inline
1047 atoi (cp)
1048 const char *cp;
1049 {
1050 int n;
1051
1052 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1053 n = n * 10 + *cp - '0';
1054
1055 return n;
1056 }
1057
1058 static char *
1059 index (cp, ch)
1060 const char *cp;
1061 char ch;
1062 {
1063 while (*cp && *cp != ch) cp++;
1064 return *cp ? (char *) cp : 0;
1065 }
1066
1067
1068
1069 static int inline
1070 ite_argnum (ip)
1071 struct ite_softc *ip;
1072 {
1073 char ch;
1074 int n;
1075
1076 /* convert argument string into number */
1077 if (ip->ap == ip->argbuf)
1078 return 1;
1079 ch = *ip->ap;
1080 *ip->ap = 0;
1081 n = atoi (ip->argbuf);
1082 *ip->ap = ch;
1083
1084 return n;
1085 }
1086
1087 static int inline
1088 ite_zargnum (ip)
1089 struct ite_softc *ip;
1090 {
1091 char ch, *cp;
1092 int n;
1093
1094 /* convert argument string into number */
1095 if (ip->ap == ip->argbuf)
1096 return 0;
1097 ch = *ip->ap;
1098 *ip->ap = 0;
1099 n = atoi (ip->argbuf);
1100 *ip->ap = ch;
1101
1102 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1103 }
1104
1105 static int inline
1106 strncmp (a, b, l)
1107 const char *a, *b;
1108 int l;
1109 {
1110 for (;l--; a++, b++)
1111 if (*a != *b)
1112 return *a - *b;
1113 return 0;
1114 }
1115
1116 void
1117 ite_putstr(s, len, dev)
1118 const char *s;
1119 int len;
1120 dev_t dev;
1121 {
1122 struct ite_softc *ip = &ite_softc[minor(dev)];
1123 int i;
1124
1125 /* XXX avoid problems */
1126 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1127 return;
1128
1129 SUBR_CURSOR(ip, START_CURSOROPT);
1130 for (i = 0; i < len; i++)
1131 if (s[i])
1132 iteputchar(s[i], ip);
1133 SUBR_CURSOR(ip, END_CURSOROPT);
1134 }
1135
1136
1137 void
1138 iteputchar(c, ip)
1139 register int c;
1140 struct ite_softc *ip;
1141 {
1142 struct tty *kbd_tty;
1143 int n, x, y;
1144 char *cp;
1145
1146 kbd_tty = ite_tty[kbd_ite - ite_softc];
1147
1148 if (ip->escape)
1149 {
1150 doesc:
1151 switch (ip->escape)
1152 {
1153 case ESC:
1154 switch (c)
1155 {
1156 /* first 7bit equivalents for the 8bit control characters */
1157
1158 case 'D':
1159 c = IND;
1160 ip->escape = 0;
1161 break; /* and fall into the next switch below (same for all `break') */
1162
1163 case 'E':
1164 c = NEL;
1165 ip->escape = 0;
1166 break;
1167
1168 case 'H':
1169 c = HTS;
1170 ip->escape = 0;
1171 break;
1172
1173 case 'M':
1174 c = RI;
1175 ip->escape = 0;
1176 break;
1177
1178 case 'N':
1179 c = SS2;
1180 ip->escape = 0;
1181 break;
1182
1183 case 'O':
1184 c = SS3;
1185 ip->escape = 0;
1186 break;
1187
1188 case 'P':
1189 c = DCS;
1190 ip->escape = 0;
1191 break;
1192
1193 case '[':
1194 c = CSI;
1195 ip->escape = 0;
1196 break;
1197
1198 case '\\':
1199 c = ST;
1200 ip->escape = 0;
1201 break;
1202
1203 case ']':
1204 c = OSC;
1205 ip->escape = 0;
1206 break;
1207
1208 case '^':
1209 c = PM;
1210 ip->escape = 0;
1211 break;
1212
1213 case '_':
1214 c = APC;
1215 ip->escape = 0;
1216 break;
1217
1218
1219 /* introduces 7/8bit control */
1220 case ' ':
1221 /* can be followed by either F or G */
1222 ip->escape = ' ';
1223 break;
1224
1225
1226 /* a lot of character set selections, not yet used...
1227 94-character sets: */
1228 case '(': /* G0 */
1229 case ')': /* G1 */
1230 ip->escape = c;
1231 return;
1232
1233 case '*': /* G2 */
1234 case '+': /* G3 */
1235 case 'B': /* ASCII */
1236 case 'A': /* ISO latin 1 */
1237 case '<': /* user preferred suplemental */
1238 case '0': /* dec special graphics */
1239
1240 /* 96-character sets: */
1241 case '-': /* G1 */
1242 case '.': /* G2 */
1243 case '/': /* G3 */
1244
1245 /* national character sets: */
1246 case '4': /* dutch */
1247 case '5':
1248 case 'C': /* finnish */
1249 case 'R': /* french */
1250 case 'Q': /* french canadian */
1251 case 'K': /* german */
1252 case 'Y': /* italian */
1253 case '6': /* norwegian/danish */
1254 /* note: %5 and %6 are not supported (two chars..) */
1255
1256 ip->escape = 0;
1257 /* just ignore for now */
1258 return;
1259
1260
1261 /* locking shift modes (as you might guess, not yet supported..) */
1262 case '`':
1263 ip->GR = ip->G1;
1264 ip->escape = 0;
1265 return;
1266
1267 case 'n':
1268 ip->GL = ip->G2;
1269 ip->escape = 0;
1270 return;
1271
1272 case '}':
1273 ip->GR = ip->G2;
1274 ip->escape = 0;
1275 return;
1276
1277 case 'o':
1278 ip->GL = ip->G3;
1279 ip->escape = 0;
1280 return;
1281
1282 case '|':
1283 ip->GR = ip->G3;
1284 ip->escape = 0;
1285 return;
1286
1287
1288 /* font width/height control */
1289 case '#':
1290 ip->escape = '#';
1291 return;
1292
1293
1294 /* hard terminal reset .. */
1295 case 'c':
1296 ite_reset (ip);
1297 SUBR_CURSOR(ip, MOVE_CURSOR);
1298 ip->escape = 0;
1299 return;
1300
1301
1302 case '7':
1303 ip->save_curx = ip->curx;
1304 ip->save_cury = ip->cury;
1305 ip->save_attribute = ip->attribute;
1306 ip->escape = 0;
1307 return;
1308
1309 case '8':
1310 ip->curx = ip->save_curx;
1311 ip->cury = ip->save_cury;
1312 ip->attribute = ip->save_attribute;
1313 SUBR_CURSOR(ip, MOVE_CURSOR);
1314 ip->escape = 0;
1315 return;
1316
1317 case '=':
1318 ip->keypad_appmode = 1;
1319 ip->escape = 0;
1320 return;
1321
1322 case '>':
1323 ip->keypad_appmode = 0;
1324 ip->escape = 0;
1325 return;
1326
1327 case 'Z': /* request ID */
1328 if (ip->emul_level == EMUL_VT100)
1329 ite_sendstr (ip, "\033[61;0c"); /* XXX not clean */
1330 else
1331 ite_sendstr (ip, "\033[63;0c"); /* XXX not clean */
1332 ip->escape = 0;
1333 return;
1334
1335 /* default catch all for not recognized ESC sequences */
1336 default:
1337 ip->escape = 0;
1338 return;
1339 }
1340 break;
1341
1342
1343 case '(':
1344 case ')':
1345 ip->escape = 0;
1346 return;
1347
1348
1349 case ' ':
1350 switch (c)
1351 {
1352 case 'F':
1353 ip->eightbit_C1 = 0;
1354 ip->escape = 0;
1355 return;
1356
1357 case 'G':
1358 ip->eightbit_C1 = 1;
1359 ip->escape = 0;
1360 return;
1361
1362 default:
1363 /* not supported */
1364 ip->escape = 0;
1365 return;
1366 }
1367 break;
1368
1369
1370 case '#':
1371 switch (c)
1372 {
1373 case '5':
1374 /* single height, single width */
1375 ip->escape = 0;
1376 return;
1377
1378 case '6':
1379 /* double width, single height */
1380 ip->escape = 0;
1381 return;
1382
1383 case '3':
1384 /* top half */
1385 ip->escape = 0;
1386 return;
1387
1388 case '4':
1389 /* bottom half */
1390 ip->escape = 0;
1391 return;
1392
1393 case '8':
1394 /* screen alignment pattern... */
1395 alignment_display (ip);
1396 ip->escape = 0;
1397 return;
1398
1399 default:
1400 ip->escape = 0;
1401 return;
1402 }
1403 break;
1404
1405
1406
1407 case CSI:
1408 /* the biggie... */
1409 switch (c)
1410 {
1411 case '0': case '1': case '2': case '3': case '4':
1412 case '5': case '6': case '7': case '8': case '9':
1413 case ';': case '\"': case '$': case '>':
1414 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1415 *ip->ap++ = c;
1416 return;
1417
1418 case BS:
1419 /* you wouldn't believe such perversion is possible?
1420 it is.. BS is allowed in between cursor sequences
1421 (at least), according to vttest.. */
1422 if (--ip->curx < 0)
1423 ip->curx = 0;
1424 else
1425 SUBR_CURSOR(ip, MOVE_CURSOR);
1426 break;
1427
1428 case 'p':
1429 *ip->ap = 0;
1430 if (! strncmp (ip->argbuf, "61\"", 3))
1431 ip->emul_level = EMUL_VT100;
1432 else if (! strncmp (ip->argbuf, "63;1\"", 5)
1433 || ! strncmp (ip->argbuf, "62;1\"", 5))
1434 ip->emul_level = EMUL_VT300_7;
1435 else
1436 ip->emul_level = EMUL_VT300_8;
1437 ip->escape = 0;
1438 return;
1439
1440
1441 case '?':
1442 *ip->ap = 0;
1443 ip->escape = '?';
1444 ip->ap = ip->argbuf;
1445 return;
1446
1447
1448 case 'c':
1449 *ip->ap = 0;
1450 if (ip->argbuf[0] == '>')
1451 {
1452 ite_sendstr (ip, "\033[>24;0;0;0c");
1453 }
1454 else switch (ite_zargnum(ip))
1455 {
1456 case 0:
1457 /* primary DA request, send primary DA response */
1458 if (ip->emul_level == EMUL_VT100)
1459 ite_sendstr (ip, "\033[?1;1c");
1460 else
1461 ite_sendstr (ip, "\033[63;0c");
1462 break;
1463 }
1464 ip->escape = 0;
1465 return;
1466
1467 case 'n':
1468 switch (ite_zargnum(ip))
1469 {
1470 case 5:
1471 ite_sendstr (ip, "\033[0n"); /* no malfunction */
1472 break;
1473 case 6:
1474 /* cursor position report */
1475 sprintf (ip->argbuf, "\033[%d;%dR",
1476 ip->cury + 1, ip->curx + 1);
1477 ite_sendstr (ip, ip->argbuf);
1478 break;
1479 }
1480 ip->escape = 0;
1481 return;
1482
1483
1484 case 'x':
1485 switch (ite_zargnum(ip))
1486 {
1487 case 0:
1488 /* Fake some terminal parameters. */
1489 ite_sendstr (ip, "\033[2;1;1;112;112;1;0x");
1490 break;
1491 case 1:
1492 ite_sendstr (ip, "\033[3;1;1;112;112;1;0x");
1493 break;
1494 }
1495 ip->escape = 0;
1496 return;
1497
1498
1499 case 'g':
1500 switch (ite_zargnum(ip))
1501 {
1502 case 0:
1503 if (ip->curx < ip->cols)
1504 ip->tabs[ip->curx] = 0;
1505 break;
1506 case 3:
1507 for (n = 0; n < ip->cols; n++)
1508 ip->tabs[n] = 0;
1509 break;
1510 }
1511 ip->escape = 0;
1512 return;
1513
1514
1515 case 'h': case 'l':
1516 n = ite_zargnum (ip);
1517 switch (n)
1518 {
1519 case 4:
1520 ip->imode = (c == 'h'); /* insert/replace mode */
1521 break;
1522 case 20:
1523 ip->linefeed_newline = (c == 'h');
1524 break;
1525 }
1526 ip->escape = 0;
1527 return;
1528
1529
1530 case 'M':
1531 ite_dnline (ip, ite_argnum (ip));
1532 ip->escape = 0;
1533 return;
1534
1535
1536 case 'L':
1537 ite_inline (ip, ite_argnum (ip));
1538 ip->escape = 0;
1539 return;
1540
1541
1542 case 'P':
1543 ite_dnchar (ip, ite_argnum (ip));
1544 ip->escape = 0;
1545 return;
1546
1547
1548 case '@':
1549 ite_inchar (ip, ite_argnum (ip));
1550 ip->escape = 0;
1551 return;
1552
1553
1554 case 'G':
1555 /* this one was *not* in my vt320 manual but in
1556 a vt320 termcap entry.. who is right?
1557 It's supposed to set the horizontal cursor position. */
1558 *ip->ap = 0;
1559 x = atoi (ip->argbuf);
1560 if (x) x--;
1561 ip->curx = MIN(x, ip->cols - 1);
1562 ip->escape = 0;
1563 SUBR_CURSOR(ip, MOVE_CURSOR);
1564 clr_attr (ip, ATTR_INV);
1565 return;
1566
1567
1568 case 'd':
1569 /* same thing here, this one's for setting the absolute
1570 vertical cursor position. Not documented... */
1571 *ip->ap = 0;
1572 y = atoi (ip->argbuf);
1573 if (y) y--;
1574 if (ip->inside_margins)
1575 y += ip->top_margin;
1576 ip->cury = MIN(y, ip->rows - 1);
1577 ip->escape = 0;
1578 snap_cury(ip);
1579 SUBR_CURSOR(ip, MOVE_CURSOR);
1580 clr_attr (ip, ATTR_INV);
1581 return;
1582
1583
1584 case 'H':
1585 case 'f':
1586 *ip->ap = 0;
1587 y = atoi (ip->argbuf);
1588 x = 0;
1589 cp = index (ip->argbuf, ';');
1590 if (cp)
1591 x = atoi (cp + 1);
1592 if (x) x--;
1593 if (y) y--;
1594 if (ip->inside_margins)
1595 y += ip->top_margin;
1596 ip->cury = MIN(y, ip->rows - 1);
1597 ip->curx = MIN(x, ip->cols - 1);
1598 ip->escape = 0;
1599 snap_cury(ip);
1600 SUBR_CURSOR(ip, MOVE_CURSOR);
1601 clr_attr (ip, ATTR_INV);
1602 return;
1603
1604 case 'A':
1605 n = ite_argnum (ip);
1606 n = ip->cury - (n ? n : 1);
1607 if (n < 0) n = 0;
1608 if (ip->inside_margins)
1609 n = MAX(ip->top_margin, n);
1610 else if (n == ip->top_margin - 1)
1611 /* allow scrolling outside region, but don't scroll out
1612 of active region without explicit CUP */
1613 n = ip->top_margin;
1614 ip->cury = n;
1615 ip->escape = 0;
1616 SUBR_CURSOR(ip, MOVE_CURSOR);
1617 clr_attr (ip, ATTR_INV);
1618 return;
1619
1620 case 'B':
1621 n = ite_argnum (ip);
1622 n = ip->cury + (n ? n : 1);
1623 n = MIN(ip->rows - 1, n);
1624 if (ip->inside_margins)
1625 n = MIN(ip->bottom_margin, n);
1626 else if (n == ip->bottom_margin + 1)
1627 /* allow scrolling outside region, but don't scroll out
1628 of active region without explicit CUP */
1629 n = ip->bottom_margin;
1630 ip->cury = n;
1631 ip->escape = 0;
1632 SUBR_CURSOR(ip, MOVE_CURSOR);
1633 clr_attr (ip, ATTR_INV);
1634 return;
1635
1636 case 'C':
1637 n = ite_argnum (ip);
1638 n = n ? n : 1;
1639 ip->curx = MIN(ip->curx + n, ip->cols - 1);
1640 ip->escape = 0;
1641 SUBR_CURSOR(ip, MOVE_CURSOR);
1642 clr_attr (ip, ATTR_INV);
1643 return;
1644
1645 case 'D':
1646 n = ite_argnum (ip);
1647 n = n ? n : 1;
1648 n = ip->curx - n;
1649 ip->curx = n >= 0 ? n : 0;
1650 ip->escape = 0;
1651 SUBR_CURSOR(ip, MOVE_CURSOR);
1652 clr_attr (ip, ATTR_INV);
1653 return;
1654
1655
1656
1657
1658 case 'J':
1659 *ip->ap = 0;
1660 n = ite_zargnum (ip);
1661 if (n == 0)
1662 ite_clrtoeos(ip);
1663 else if (n == 1)
1664 ite_clrtobos(ip);
1665 else if (n == 2)
1666 ite_clrscreen(ip);
1667 ip->escape = 0;
1668 return;
1669
1670
1671 case 'K':
1672 n = ite_zargnum (ip);
1673 if (n == 0)
1674 ite_clrtoeol(ip);
1675 else if (n == 1)
1676 ite_clrtobol(ip);
1677 else if (n == 2)
1678 ite_clrline(ip);
1679 ip->escape = 0;
1680 return;
1681
1682
1683 case 'X':
1684 n = ite_argnum(ip) - 1;
1685 n = MIN(n, ip->cols - 1 - ip->curx);
1686 for (; n >= 0; n--)
1687 {
1688 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1689 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1690 }
1691 ip->escape = 0;
1692 return;
1693
1694
1695 case '}': case '`':
1696 /* status line control */
1697 ip->escape = 0;
1698 return;
1699
1700
1701 case 'r':
1702 *ip->ap = 0;
1703 x = atoi (ip->argbuf);
1704 x = x ? x : 1;
1705 y = ip->rows;
1706 cp = index (ip->argbuf, ';');
1707 if (cp)
1708 {
1709 y = atoi (cp + 1);
1710 y = y ? y : ip->rows;
1711 }
1712 if (y - x < 2)
1713 {
1714 /* if illegal scrolling region, reset to defaults */
1715 x = 1;
1716 y = ip->rows;
1717 }
1718 x--;
1719 y--;
1720 ip->top_margin = MIN(x, ip->rows - 1);
1721 ip->bottom_margin = MIN(y, ip->rows - 1);
1722 if (ip->inside_margins)
1723 {
1724 ip->cury = ip->top_margin;
1725 ip->curx = 0;
1726 SUBR_CURSOR(ip, MOVE_CURSOR);
1727 }
1728 ip->escape = 0;
1729 return;
1730
1731
1732 case 'm':
1733 /* big attribute setter/resetter */
1734 {
1735 char *cp;
1736 *ip->ap = 0;
1737 /* kludge to make CSIm work (== CSI0m) */
1738 if (ip->ap == ip->argbuf)
1739 ip->ap++;
1740 for (cp = ip->argbuf; cp < ip->ap; )
1741 {
1742 switch (*cp)
1743 {
1744 case 0:
1745 case '0':
1746 clr_attr (ip, ATTR_ALL);
1747 cp++;
1748 break;
1749
1750 case '1':
1751 set_attr (ip, ATTR_BOLD);
1752 cp++;
1753 break;
1754
1755 case '2':
1756 switch (cp[1])
1757 {
1758 case '2':
1759 clr_attr (ip, ATTR_BOLD);
1760 cp += 2;
1761 break;
1762
1763 case '4':
1764 clr_attr (ip, ATTR_UL);
1765 cp += 2;
1766 break;
1767
1768 case '5':
1769 clr_attr (ip, ATTR_BLINK);
1770 cp += 2;
1771 break;
1772
1773 case '7':
1774 clr_attr (ip, ATTR_INV);
1775 cp += 2;
1776 break;
1777
1778 default:
1779 cp++;
1780 break;
1781 }
1782 break;
1783
1784 case '4':
1785 set_attr (ip, ATTR_UL);
1786 cp++;
1787 break;
1788
1789 case '5':
1790 set_attr (ip, ATTR_BLINK);
1791 cp++;
1792 break;
1793
1794 case '7':
1795 set_attr (ip, ATTR_INV);
1796 cp++;
1797 break;
1798
1799 default:
1800 cp++;
1801 break;
1802 }
1803 }
1804
1805 }
1806 ip->escape = 0;
1807 return;
1808
1809
1810 case 'u':
1811 /* DECRQTSR */
1812 ite_sendstr (ip, "\033P\033\\");
1813 ip->escape = 0;
1814 return;
1815
1816
1817
1818 default:
1819 ip->escape = 0;
1820 return;
1821 }
1822 break;
1823
1824
1825
1826 case '?': /* CSI ? */
1827 switch (c)
1828 {
1829 case '0': case '1': case '2': case '3': case '4':
1830 case '5': case '6': case '7': case '8': case '9':
1831 case ';': case '\"': case '$':
1832 /* Don't fill the last character; it's needed. */
1833 /* XXX yeah, where ?? */
1834 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
1835 *ip->ap++ = c;
1836 return;
1837
1838
1839 case 'n':
1840 *ip->ap = 0;
1841 if (ip->ap == &ip->argbuf[2])
1842 {
1843 if (! strncmp (ip->argbuf, "15", 2))
1844 /* printer status: no printer */
1845 ite_sendstr (ip, "\033[13n");
1846
1847 else if (! strncmp (ip->argbuf, "25", 2))
1848 /* udk status */
1849 ite_sendstr (ip, "\033[20n");
1850
1851 else if (! strncmp (ip->argbuf, "26", 2))
1852 /* keyboard dialect: US */
1853 ite_sendstr (ip, "\033[27;1n");
1854 }
1855 ip->escape = 0;
1856 return;
1857
1858
1859 case 'h': case 'l':
1860 n = ite_zargnum (ip);
1861 switch (n)
1862 {
1863 case 1:
1864 ip->cursor_appmode = (c == 'h');
1865 break;
1866
1867 case 3:
1868 /* 132/80 columns (132 == 'h') */
1869 break;
1870
1871 case 4: /* smooth scroll */
1872 break;
1873
1874 case 5:
1875 /* light background (=='h') /dark background(=='l') */
1876 break;
1877
1878 case 6: /* origin mode */
1879 ip->inside_margins = (c == 'h');
1880 ip->curx = 0;
1881 ip->cury = ip->inside_margins ? ip->top_margin : 0;
1882 SUBR_CURSOR(ip, MOVE_CURSOR);
1883 break;
1884
1885 case 7: /* auto wraparound */
1886 ip->auto_wrap = (c == 'h');
1887 break;
1888
1889 case 8: /* keyboard repeat */
1890 ip->key_repeat = (c == 'h');
1891 break;
1892
1893 case 20: /* newline mode */
1894 ip->linefeed_newline = (c == 'h');
1895 break;
1896
1897 case 25: /* cursor on/off */
1898 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
1899 break;
1900 }
1901 ip->escape = 0;
1902 return;
1903
1904 default:
1905 ip->escape = 0;
1906 return;
1907 }
1908 break;
1909
1910
1911 default:
1912 ip->escape = 0;
1913 return;
1914 }
1915 }
1916
1917 switch (c) {
1918
1919 case VT: /* VT is treated like LF */
1920 case FF: /* so is FF */
1921 case LF:
1922 /* cr->crlf distinction is done here, on output,
1923 not on input! */
1924 if (ip->linefeed_newline)
1925 ite_crlf (ip);
1926 else
1927 ite_lf (ip);
1928 break;
1929
1930 case CR:
1931 ite_cr (ip);
1932 break;
1933
1934 case BS:
1935 if (--ip->curx < 0)
1936 ip->curx = 0;
1937 else
1938 SUBR_CURSOR(ip, MOVE_CURSOR);
1939 break;
1940
1941 case HT:
1942 for (n = ip->curx + 1; n < ip->cols; n++) {
1943 if (ip->tabs[n]) {
1944 ip->curx = n;
1945 SUBR_CURSOR(ip, MOVE_CURSOR);
1946 break;
1947 }
1948 }
1949 break;
1950
1951 case BEL:
1952 if (kbd_tty && ite_tty[kbd_ite - ite_softc] == kbd_tty)
1953 kbdbell();
1954 break;
1955
1956 case SO:
1957 ip->GL = ip->G1;
1958 break;
1959
1960 case SI:
1961 ip->GL = ip->G0;
1962 break;
1963
1964 case ENQ:
1965 /* send answer-back message !! */
1966 break;
1967
1968 case CAN:
1969 ip->escape = 0; /* cancel any escape sequence in progress */
1970 break;
1971
1972 case SUB:
1973 ip->escape = 0; /* dito, but see below */
1974 /* should also display a reverse question mark!! */
1975 break;
1976
1977 case ESC:
1978 ip->escape = ESC;
1979 break;
1980
1981
1982 /* now it gets weird.. 8bit control sequences.. */
1983 case IND: /* index: move cursor down, scroll */
1984 ite_lf (ip);
1985 break;
1986
1987 case NEL: /* next line. next line, first pos. */
1988 ite_crlf (ip);
1989 break;
1990
1991 case HTS: /* set horizontal tab */
1992 if (ip->curx < ip->cols)
1993 ip->tabs[ip->curx] = 1;
1994 break;
1995
1996 case RI: /* reverse index */
1997 ite_rlf (ip);
1998 break;
1999
2000 case SS2: /* go into G2 for one character */
2001 /* not yet supported */
2002 break;
2003
2004 case SS3: /* go into G3 for one character */
2005 break;
2006
2007 case DCS: /* device control string introducer */
2008 ip->escape = DCS;
2009 ip->ap = ip->argbuf;
2010 break;
2011
2012 case CSI: /* control sequence introducer */
2013 ip->escape = CSI;
2014 ip->ap = ip->argbuf;
2015 break;
2016
2017 case ST: /* string terminator */
2018 /* ignore, if not used as terminator */
2019 break;
2020
2021 case OSC: /* introduces OS command. Ignore everything upto ST */
2022 ip->escape = OSC;
2023 break;
2024
2025 case PM: /* privacy message, ignore everything upto ST */
2026 ip->escape = PM;
2027 break;
2028
2029 case APC: /* application program command, ignore everything upto ST */
2030 ip->escape = APC;
2031 break;
2032
2033 default:
2034 if (c < ' ' || c == DEL)
2035 break;
2036 if (ip->imode)
2037 ite_inchar(ip, 1);
2038 iteprecheckwrap(ip);
2039 #ifdef DO_WEIRD_ATTRIBUTES
2040 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2041 attrset(ip, ATTR_INV);
2042 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2043 }
2044 else
2045 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2046 #else
2047 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2048 #endif
2049 SUBR_CURSOR(ip, DRAW_CURSOR);
2050 itecheckwrap(ip);
2051 break;
2052 }
2053 }
2054
2055 iteprecheckwrap(ip)
2056 struct ite_softc *ip;
2057 {
2058 if (ip->auto_wrap && ip->curx == ip->cols) {
2059 ip->curx = 0;
2060 clr_attr(ip, ATTR_INV);
2061 if (++ip->cury >= ip->bottom_margin + 1) {
2062 ip->cury = ip->bottom_margin;
2063 SUBR_CURSOR(ip, MOVE_CURSOR);
2064 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2065 ite_clrtoeol(ip);
2066 } else
2067 SUBR_CURSOR(ip, MOVE_CURSOR);
2068 }
2069 }
2070
2071 itecheckwrap(ip)
2072 struct ite_softc *ip;
2073 {
2074 #if 0
2075 if (++ip->curx == ip->cols) {
2076 if (ip->auto_wrap) {
2077 ip->curx = 0;
2078 clr_attr(ip, ATTR_INV);
2079 if (++ip->cury >= ip->bottom_margin + 1) {
2080 ip->cury = ip->bottom_margin;
2081 SUBR_CURSOR(ip, MOVE_CURSOR);
2082 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2083 ite_clrtoeol(ip);
2084 return;
2085 }
2086 } else
2087 /* stay there if no autowrap.. */
2088 ip->curx--;
2089 }
2090 #else
2091 if (ip->curx < ip->cols) {
2092 ip->curx++;
2093 SUBR_CURSOR(ip, MOVE_CURSOR);
2094 }
2095 #endif
2096 }
2097
2098 void
2099 iteattach()
2100 {
2101 }
2102
2103 #endif
2104