ite.c revision 1.12 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 1.12 1994/03/11 02:46:49 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 retina_cnprobe, retina_init, retina_deinit, retina_clear,
72 retina_putc, retina_cursor, retina_scroll,
73 tiga_cnprobe, tiga_init, tiga_deinit, tiga_clear,
74 tiga_putc, tiga_cursor, tiga_scroll,
75
76 };
77
78 #undef NITE
79 #define NITE 3 /* always corrisponds to itesw */
80
81 struct ite_softc ite_softc[NITE]; /* device struct */
82 struct tty *ite_tty[NITE]; /* ttys associated with ite's */
83 int nunits = sizeof(itesw) / sizeof(struct itesw);
84
85 int start_repeat_timeo = 20; /* first repeat after. */
86 int next_repeat_timeo = 5; /* next repeat after. */
87
88 u_char cons_tabs[MAX_TABS];
89
90 struct ite_softc *kbd_ite;
91 int kbd_init;
92
93 static char *index __P((const char *, char));
94 static int inline atoi __P((const char *));
95 void iteputchar __P((int c, struct ite_softc *ip));
96 void ite_putstr __P((const char * s, int len, dev_t dev));
97
98 #define SUBR_CNPROBE(min) itesw[min].ite_cnprobe(min)
99 #define SUBR_INIT(ip) ip->itesw->ite_init(ip)
100 #define SUBR_DEINIT(ip) ip->itesw->ite_deinit(ip)
101 #define SUBR_PUTC(ip,c,dy,dx,m) ip->itesw->ite_putc(ip,c,dy,dx,m)
102 #define SUBR_CURSOR(ip,flg) ip->itesw->ite_cursor(ip,flg)
103 #define SUBR_CLEAR(ip,sy,sx,h,w) ip->itesw->ite_clear(ip,sy,sx,h,w)
104 #define SUBR_SCROLL(ip,sy,sx,count,dir) \
105 ip->itesw->ite_scroll(ip,sy,sx,count,dir)
106
107 #if defined (__STDC__)
108 #define GET_CHRDEV_MAJOR(dev, maj) { \
109 for(maj = 0; maj < nchrdev; maj++) \
110 if (cdevsw[maj].d_open == dev ## open) \
111 break; \
112 }
113 #else
114 #define GET_CHRDEV_MAJOR(dev, maj) { \
115 for(maj = 0; maj < nchrdev; maj++) \
116 if (cdevsw[maj].d_open == dev/**/open) \
117 break; \
118 }
119 #endif
120
121 /*
122 * cons.c entry points into ite device.
123 */
124
125 /*
126 * Return a priority in consdev->cn_pri field highest wins. This function
127 * is called before any devices have been probed.
128 */
129 void
130 ite_cnprobe(cd)
131 struct consdev *cd;
132 {
133 int unit, last, use, maj, cur;
134
135 use = -1;
136 last = 0;
137
138 /* XXX need to bring the graphics layer up. */
139 grfconfig();
140
141 GET_CHRDEV_MAJOR(ite, maj);
142
143 cd->cn_pri = CN_DEAD;
144 for (unit = 0; unit < nunits; unit++) {
145 cur = SUBR_CNPROBE(unit);
146 if (cur == CN_DEAD)
147 continue;
148 else if (last <= cur) {
149 last = cur;
150 use = unit;
151 }
152 ite_softc[unit].flags |= ITE_ALIVE;
153 }
154 if (use != -1) {
155 cd->cn_pri = last;
156 cd->cn_dev = makedev(maj, use);
157 }
158 }
159
160 void
161 ite_cninit(cd)
162 struct consdev *cd;
163 {
164 struct ite_softc *ip = &ite_softc[minor(cd->cn_dev)];
165
166 ip->tabs = cons_tabs;
167 iteinit(cd->cn_dev); /* init console unit */
168 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
169 kbd_ite = ip;
170 }
171
172 /*
173 * ite_cnfinish() is called in ite_init() when the device is
174 * being probed in the normal fasion, thus we can finish setting
175 * up this ite now that the system is more functional.
176 */
177 void
178 ite_cnfinish(ip)
179 struct ite_softc *ip;
180 {
181 static int done;
182
183 if (done)
184 return;
185 done = 1;
186 }
187
188 int
189 ite_cngetc(dev)
190 dev_t dev;
191 {
192 int c;
193
194 /* XXX this should be moved */
195 if (!kbd_init) {
196 kbd_init = 1;
197 kbdenable();
198 }
199 do {
200 c = kbdgetcn();
201 c = ite_cnfilter(c, ITEFILT_CONSOLE);
202 } while (c == -1);
203 return (c);
204 }
205
206 void
207 ite_cnputc(dev, c)
208 dev_t dev;
209 int c;
210 {
211 static int paniced = 0;
212 struct ite_softc *ip = &ite_softc[minor(dev)];
213 char ch = c;
214
215 if (panicstr && !paniced &&
216 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
217 (void)ite_on(dev, 3);
218 paniced = 1;
219 }
220 ite_putstr(&ch, 1, dev);
221 }
222
223 /*
224 * standard entry points to the device.
225 */
226
227 /*
228 * iteinit() is the standard entry point for initialization of
229 * an ite device, it is also called from ite_cninit().
230 */
231 void
232 iteinit(dev)
233 dev_t dev;
234 {
235 struct ite_softc *ip;
236
237 ip = &ite_softc[minor(dev)];
238 if (ip->flags & ITE_INITED)
239 return;
240 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
241
242 ip->cursorx = 0;
243 ip->cursory = 0;
244 ip->itesw = &itesw[minor(dev)];
245 SUBR_INIT(ip);
246 SUBR_CURSOR(ip, DRAW_CURSOR);
247 if (!ip->tabs)
248 ip->tabs =
249 malloc(MAX_TABS * sizeof(u_char), M_DEVBUF, M_WAITOK);
250 ite_reset(ip);
251 /* draw cursor? */
252 ip->flags |= ITE_INITED;
253 }
254
255 int
256 iteopen(dev, mode, devtype, p)
257 dev_t dev;
258 int mode, devtype;
259 struct proc *p;
260 {
261 int unit = minor(dev);
262 struct ite_softc *ip = &ite_softc[unit];
263 struct tty *tp;
264 int error;
265 int first = 0;
266
267 if (unit >= NITE)
268 return (ENXIO);
269
270 if (!ite_tty[unit])
271 tp = ite_tty[unit] = ttymalloc();
272 else
273 tp = ite_tty[unit];
274 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
275 && p->p_ucred->cr_uid != 0)
276 return (EBUSY);
277 if ((ip->flags & ITE_ACTIVE) == 0) {
278 error = ite_on(dev, 0);
279 if (error)
280 return (error);
281 first = 1;
282 }
283 tp->t_oproc = itestart;
284 tp->t_param = ite_param;
285 tp->t_dev = dev;
286 if ((tp->t_state & TS_ISOPEN) == 0) {
287 ttychars(tp);
288 tp->t_iflag = TTYDEF_IFLAG;
289 tp->t_oflag = TTYDEF_OFLAG;
290 tp->t_cflag = TTYDEF_CFLAG;
291 tp->t_lflag = TTYDEF_LFLAG;
292 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
293 tp->t_state = TS_WOPEN | TS_CARR_ON;
294 ttsetwater(tp);
295 }
296 error = (*linesw[tp->t_line].l_open) (dev, tp);
297 if (error == 0) {
298 tp->t_winsize.ws_row = ip->rows;
299 tp->t_winsize.ws_col = ip->cols;
300 if (!kbd_init) {
301 kbd_init = 1;
302 kbdenable();
303 }
304 } else if (first)
305 ite_off(dev, 0);
306 return (error);
307 }
308
309 int
310 iteclose(dev, flag, mode, p)
311 dev_t dev;
312 int flag, mode;
313 struct proc *p;
314 {
315 struct tty *tp = ite_tty[minor(dev)];
316
317 KDASSERT(tp);
318 (*linesw[tp->t_line].l_close) (tp, flag);
319 ttyclose(tp);
320 ite_off(dev, 0);
321 return (0);
322 }
323
324 int
325 iteread(dev, uio, flag)
326 dev_t dev;
327 struct uio *uio;
328 int flag;
329 {
330 struct tty *tp = ite_tty[minor(dev)];
331
332 KDASSERT(tp);
333 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
334 }
335
336 int
337 itewrite(dev, uio, flag)
338 dev_t dev;
339 struct uio *uio;
340 int flag;
341 {
342 struct tty *tp = ite_tty[minor(dev)];
343
344 KDASSERT(tp);
345 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
346 }
347
348 int
349 iteioctl(dev, cmd, addr, flag, p)
350 dev_t dev;
351 int cmd, flag;
352 caddr_t addr;
353 struct proc *p;
354 {
355 struct ite_softc *ip = &ite_softc[minor(dev)];
356 struct tty *tp = ite_tty[minor(dev)];
357 int error;
358
359 KDASSERT(tp);
360
361 error = (*linesw[tp->t_line].l_ioctl) (tp, cmd, addr, flag, p);
362 if (error >= 0)
363 return (error);
364 error = ttioctl(tp, cmd, addr, flag, p);
365 if (error >= 0)
366 return (error);
367
368 switch (cmd) {
369 case ITELOADKMAP:
370 if (addr) {
371 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
372
373 return 0;
374 } else
375 return EFAULT;
376 case ITEGETKMAP:
377 if (addr) {
378 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
379
380 return 0;
381 } else
382 return EFAULT;
383 }
384 /* XXX */
385 if (minor(dev) == 0) {
386 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
387 if (error >= 0)
388 return (error);
389 }
390 return (ENOTTY);
391 }
392
393 void
394 itestart(tp)
395 struct tty *tp;
396 {
397 struct clist *rbp;
398 struct ite_softc *ip = &ite_softc[minor(tp->t_dev)];
399 u_char buf[ITEBURST];
400 int s, len, n;
401
402 KDASSERT(tp);
403
404 s = spltty(); {
405 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
406 goto out;
407
408 tp->t_state |= TS_BUSY;
409 rbp = &tp->t_outq;
410
411 len = q_to_b(rbp, buf, ITEBURST);
412 } splx(s);
413
414 /* Here is a really good place to implement pre/jumpscroll() */
415 ite_putstr(buf, len, tp->t_dev);
416
417 s = spltty(); {
418 tp->t_state &= ~TS_BUSY;
419 /* we have characters remaining. */
420 if (rbp->c_cc) {
421 tp->t_state |= TS_TIMEOUT;
422 timeout((timeout_t) ttrstrt, (caddr_t) tp, 1);
423 }
424 /* wakeup we are below */
425 if (rbp->c_cc <= tp->t_lowat) {
426 if (tp->t_state & TS_ASLEEP) {
427 tp->t_state &= ~TS_ASLEEP;
428 wakeup((caddr_t) rbp);
429 }
430 selwakeup(&tp->t_wsel);
431 }
432 out:
433 } splx(s);
434 }
435
436 int
437 ite_on(dev, flag)
438 dev_t dev;
439 int flag;
440 {
441 int unit = minor(dev);
442 struct ite_softc *ip = &ite_softc[unit];
443
444 if (unit < 0 || unit >= NITE || (ip->flags & ITE_ALIVE) == 0)
445 return (ENXIO);
446 /* force ite active, overriding graphics mode */
447 if (flag & 1) {
448 ip->flags |= ITE_ACTIVE;
449 ip->flags &= ~(ITE_INGRF | ITE_INITED);
450 }
451 /* leave graphics mode */
452 if (flag & 2) {
453 ip->flags &= ~ITE_INGRF;
454 if ((ip->flags & ITE_ACTIVE) == 0)
455 return (0);
456 }
457 ip->flags |= ITE_ACTIVE;
458 if (ip->flags & ITE_INGRF)
459 return (0);
460 iteinit(dev);
461 return (0);
462 }
463
464 int
465 ite_off(dev, flag)
466 dev_t dev;
467 int flag;
468 {
469 register struct ite_softc *ip = &ite_softc[minor(dev)];
470
471 if (flag & 2)
472 ip->flags |= ITE_INGRF;
473 if ((ip->flags & ITE_ACTIVE) == 0)
474 return;
475 if ((flag & 1) ||
476 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
477 SUBR_DEINIT(ip);
478 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
479 ip->flags &= ~ITE_ACTIVE;
480 }
481
482 /* XXX called after changes made in underlying grf layer. */
483 /* I want to nuke this */
484 void
485 ite_reinit(dev)
486 dev_t dev;
487 {
488 struct ite_softc *ip = &ite_softc[minor(dev)];
489
490 ip->flags &= ~ITE_INITED;
491 iteinit(dev);
492 }
493
494 int
495 ite_param(tp, t)
496 struct tty *tp;
497 struct termios *t;
498 {
499 tp->t_ispeed = t->c_ispeed;
500 tp->t_ospeed = t->c_ospeed;
501 tp->t_cflag = t->c_cflag;
502 return (0);
503 }
504
505 void
506 ite_reset(ip)
507 struct ite_softc *ip;
508 {
509 int i;
510
511 ip->curx = 0;
512 ip->cury = 0;
513 ip->attribute = ATTR_NOR;
514 ip->save_curx = 0;
515 ip->save_cury = 0;
516 ip->save_attribute = ATTR_NOR;
517 ip->ap = ip->argbuf;
518 ip->emul_level = 0;
519 ip->eightbit_C1 = 0;
520 ip->top_margin = 0;
521 ip->bottom_margin = ip->rows - 1;
522 ip->inside_margins = 0;
523 ip->linefeed_newline = 0;
524 ip->auto_wrap = 0;
525 ip->cursor_appmode = 0;
526 ip->keypad_appmode = 0;
527 ip->imode = 0;
528 ip->key_repeat = 1;
529 bzero(ip->tabs, ip->cols);
530 for (i = 0; i < ip->cols; i++)
531 ip->tabs[i] = ((i & 7) == 0);
532 }
533
534 /* Used in console at startup only */
535 int
536 ite_cnfilter(c, caller)
537 u_char c;
538 enum caller caller;
539 {
540 struct tty *kbd_tty;
541 static u_char mod = 0;
542 static u_char last_dead = 0;
543 struct key key;
544 u_char code, up, mask;
545 int s, i;
546
547 up = c & 0x80 ? 1 : 0;
548 c &= 0x7f;
549 code = 0;
550
551 s = spltty();
552
553 i = (int)c - KBD_LEFT_SHIFT;
554 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
555 mask = 1 << i;
556 if (up)
557 mod &= ~mask;
558 else
559 mod |= mask;
560 splx(s);
561 return -1;
562 }
563
564 if (up) {
565 splx(s);
566 return -1;
567 }
568
569 /* translate modifiers */
570 if (mod & KBD_MOD_SHIFT) {
571 if (mod & KBD_MOD_ALT)
572 key = kbdmap.alt_shift_keys[c];
573 else
574 key = kbdmap.shift_keys[c];
575 } else if (mod & KBD_MOD_ALT)
576 key = kbdmap.alt_keys[c];
577 else {
578 key = kbdmap.keys[c];
579 /* if CAPS and key is CAPable (no pun intended) */
580 if ((mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
581 key = kbdmap.shift_keys[c];
582 }
583 code = key.code;
584
585 /* if string return */
586 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
587 splx(s);
588 return -1;
589 }
590 /* handle dead keys */
591 if (key.mode & KBD_MODE_DEAD) {
592 /* if entered twice, send accent itself */
593 if (last_dead == key.mode & KBD_MODE_ACCMASK)
594 last_dead = 0;
595 else {
596 last_dead = key.mode & KBD_MODE_ACCMASK;
597 splx(s);
598 return -1;
599 }
600 }
601 if (last_dead) {
602 /* can't apply dead flag to string-keys */
603 if (code >= '@' && code < 0x7f)
604 code =
605 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
606 last_dead = 0;
607 }
608 if (mod & KBD_MOD_CTRL)
609 code &= 0x1f;
610 if (mod & KBD_MOD_META)
611 code |= 0x80;
612
613 /* do console mapping. */
614 code = code == '\r' ? '\n' : code;
615
616 splx(s);
617 return (code);
618 }
619
620 /* And now the old stuff. */
621
622 /* these are used to implement repeating keys.. */
623 static u_char last_char = 0;
624 static u_char tout_pending = 0;
625
626 static void
627 repeat_handler(a0, a1)
628 int a0, a1;
629 {
630 tout_pending = 0;
631 if (last_char)
632 add_sicallback(ite_filter, last_char, ITEFILT_REPEATER);
633 }
634
635 void
636 ite_filter(c, caller)
637 u_char c;
638 enum caller caller;
639 {
640 struct tty *kbd_tty;
641 static u_char mod = 0;
642 static u_char last_dead = 0;
643 u_char code, *str, up, mask;
644 struct key key;
645 int s, i;
646
647 if (!kbd_ite)
648 return;
649 kbd_tty = ite_tty[kbd_ite - ite_softc];
650
651 /* have to make sure we're at spltty in here */
652 s = spltty();
653
654 /*
655 * keyboard interrupts come at priority 2, while softint
656 * generated keyboard-repeat interrupts come at level 1. So,
657 * to not allow a key-up event to get thru before a repeat for
658 * the key-down, we remove any outstanding callout requests..
659 */
660 rem_sicallback(ite_filter);
661
662 up = c & 0x80 ? 1 : 0;
663 c &= 0x7f;
664 code = 0;
665
666 i = (int)c - KBD_LEFT_SHIFT;
667 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
668 mask = 1 << i;
669 if (up)
670 mod &= ~mask;
671 else
672 mod |= mask;
673 splx(s);
674 return;
675 }
676 /* stop repeating on up event */
677 if (up) {
678 if (tout_pending) {
679 untimeout((timeout_t) repeat_handler, 0);
680 tout_pending = 0;
681 last_char = 0;
682 }
683 splx(s);
684 return;
685 } else if (tout_pending && last_char != c) {
686 /* different character, stop also */
687 untimeout((timeout_t) repeat_handler, 0);
688 tout_pending = 0;
689 last_char = 0;
690 }
691 /* Safety button, switch back to ascii keymap. */
692 if (mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
693 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
694
695 splx(s);
696 return;
697 }
698 /* translate modifiers */
699 if (mod & KBD_MOD_SHIFT) {
700 if (mod & KBD_MOD_ALT)
701 key = kbdmap.alt_shift_keys[c];
702 else
703 key = kbdmap.shift_keys[c];
704 } else if (mod & KBD_MOD_ALT)
705 key = kbdmap.alt_keys[c];
706 else {
707 key = kbdmap.keys[c];
708 /* if CAPS and key is CAPable (no pun intended) */
709 if ((mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
710 key = kbdmap.shift_keys[c];
711 }
712 code = key.code;
713
714 /*
715 * arrange to repeat the keystroke. By doing this at the level
716 * of scan-codes, we can have function keys, and keys that
717 * send strings, repeat too. This also entitles an additional
718 * overhead, since we have to do the conversion each time, but
719 * I guess that's ok.
720 */
721 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
722 tout_pending = 1;
723 last_char = c;
724 timeout((timeout_t) repeat_handler, 0, start_repeat_timeo);
725 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
726 kbd_ite->key_repeat) {
727 tout_pending = 1;
728 last_char = c;
729 timeout((timeout_t) repeat_handler, 0, next_repeat_timeo);
730 }
731 /* handle dead keys */
732 if (key.mode & KBD_MODE_DEAD) {
733 /* if entered twice, send accent itself */
734 if (last_dead == key.mode & KBD_MODE_ACCMASK)
735 last_dead = 0;
736 else {
737 last_dead = key.mode & KBD_MODE_ACCMASK;
738 splx(s);
739 return;
740 }
741 }
742 if (last_dead) {
743 /* can't apply dead flag to string-keys */
744 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
745 code < 0x7f)
746 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
747 last_dead = 0;
748 }
749 /* if not string, apply META and CTRL modifiers */
750 if (!(key.mode & KBD_MODE_STRING)
751 && (!(key.mode & KBD_MODE_KPAD) ||
752 (kbd_ite && !kbd_ite->keypad_appmode))) {
753 if (mod & KBD_MOD_CTRL)
754 code &= 0x1f;
755 if (mod & KBD_MOD_META)
756 code |= 0x80;
757 } else if ((key.mode & KBD_MODE_KPAD) &&
758 (kbd_ite && kbd_ite->keypad_appmode)) {
759 static char *in = "0123456789-+.\r()/*";
760 static char *out = "pqrstuvwxymlnMPQRS";
761 char *cp;
762
763 /*
764 * keypad-appmode sends SS3 followed by the above
765 * translated character
766 */
767 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
768 (*linesw[kbd_tty->t_line].l_rint) ('0', kbd_tty);
769 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
770 splx(s);
771 return;
772 } else {
773 /* *NO* I don't like this.... */
774 static u_char app_cursor[] =
775 {
776 3, 27, 'O', 'A',
777 3, 27, 'O', 'B',
778 3, 27, 'O', 'C',
779 3, 27, 'O', 'D'};
780
781 str = kbdmap.strings + code;
782 /*
783 * if this is a cursor key, AND it has the default
784 * keymap setting, AND we're in app-cursor mode, switch
785 * to the above table. This is *nasty* !
786 */
787 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
788 && !bcmp(str, "\x03\x1b[", 3) &&
789 index("ABCD", str[3]))
790 str = app_cursor + 4 * (str[3] - 'A');
791
792 /*
793 * using a length-byte instead of 0-termination allows
794 * to embed \0 into strings, although this is not used
795 * in the default keymap
796 */
797 for (i = *str++; i; i--)
798 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
799 splx(s);
800 return;
801 }
802 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
803
804 splx(s);
805 return;
806 }
807
808 /* helper functions, makes the code below more readable */
809 static void inline
810 ite_sendstr(str)
811 char *str;
812 {
813 struct tty *kbd_tty = ite_tty[kbd_ite - ite_softc];
814
815 KDASSERT(kbd_tty);
816 while (*str)
817 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
818 }
819
820 static void
821 alignment_display(ip)
822 struct ite_softc *ip;
823 {
824 int i, j;
825
826 for (j = 0; j < ip->rows; j++)
827 for (i = 0; i < ip->cols; i++)
828 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
829 attrclr(ip, 0, 0, ip->rows, ip->cols);
830 SUBR_CURSOR(ip, DRAW_CURSOR);
831 }
832
833 static void inline
834 snap_cury(ip)
835 struct ite_softc *ip;
836 {
837 if (ip->inside_margins)
838 {
839 if (ip->cury < ip->top_margin)
840 ip->cury = ip->top_margin;
841 if (ip->cury > ip->bottom_margin)
842 ip->cury = ip->bottom_margin;
843 }
844 }
845
846 static void inline
847 ite_dnchar(ip, n)
848 struct ite_softc *ip;
849 int n;
850 {
851 n = MIN(n, ip->cols - ip->curx);
852 if (n < ip->cols - ip->curx)
853 {
854 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
855 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
856 1, ip->cols - ip->curx - n);
857 attrclr(ip, ip->cury, ip->cols - n, 1, n);
858 }
859 while (n-- > 0)
860 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
861 SUBR_CURSOR(ip, DRAW_CURSOR);
862 }
863
864 static void inline
865 ite_inchar(ip, n)
866 struct ite_softc *ip;
867 int n;
868 {
869 n = MIN(n, ip->cols - ip->curx);
870 if (n < ip->cols - ip->curx)
871 {
872 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
873 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
874 1, ip->cols - ip->curx - n);
875 attrclr(ip, ip->cury, ip->curx, 1, n);
876 }
877 while (n--)
878 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
879 SUBR_CURSOR(ip, DRAW_CURSOR);
880 }
881
882 static void inline
883 ite_clrtoeol(ip)
884 struct ite_softc *ip;
885 {
886 int y = ip->cury, x = ip->curx;
887 if (ip->cols - x > 0)
888 {
889 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
890 attrclr(ip, y, x, 1, ip->cols - x);
891 SUBR_CURSOR(ip, DRAW_CURSOR);
892 }
893 }
894
895 static void inline
896 ite_clrtobol(ip)
897 struct ite_softc *ip;
898 {
899 int y = ip->cury, x = MIN(ip->curx + 1, ip->cols);
900 SUBR_CLEAR(ip, y, 0, 1, x);
901 attrclr(ip, y, 0, 1, x);
902 SUBR_CURSOR(ip, DRAW_CURSOR);
903 }
904
905 static void inline
906 ite_clrline(ip)
907 struct ite_softc *ip;
908 {
909 int y = ip->cury;
910 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
911 attrclr(ip, y, 0, 1, ip->cols);
912 SUBR_CURSOR(ip, DRAW_CURSOR);
913 }
914
915
916
917 static void inline
918 ite_clrtoeos(ip)
919 struct ite_softc *ip;
920 {
921 ite_clrtoeol(ip);
922 if (ip->cury < ip->rows - 1)
923 {
924 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
925 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
926 SUBR_CURSOR(ip, DRAW_CURSOR);
927 }
928 }
929
930 static void inline
931 ite_clrtobos(ip)
932 struct ite_softc *ip;
933 {
934 ite_clrtobol(ip);
935 if (ip->cury > 0)
936 {
937 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
938 attrclr(ip, 0, 0, ip->cury, ip->cols);
939 SUBR_CURSOR(ip, DRAW_CURSOR);
940 }
941 }
942
943 static void inline
944 ite_clrscreen(ip)
945 struct ite_softc *ip;
946 {
947 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
948 attrclr(ip, 0, 0, ip->rows, ip->cols);
949 SUBR_CURSOR(ip, DRAW_CURSOR);
950 }
951
952
953
954 static void inline
955 ite_dnline(ip, n)
956 struct ite_softc *ip;
957 int n;
958 {
959 /* interesting.. if the cursor is outside the scrolling
960 region, this command is simply ignored.. */
961 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
962 return;
963
964 n = MIN(n, ip->bottom_margin + 1 - ip->cury);
965 if (n <= ip->bottom_margin - ip->cury)
966 {
967 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
968 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
969 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
970 }
971 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
972 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
973 SUBR_CURSOR(ip, DRAW_CURSOR);
974 }
975
976 static void inline
977 ite_inline(ip, n)
978 struct ite_softc *ip;
979 int n;
980 {
981 /* interesting.. if the cursor is outside the scrolling
982 region, this command is simply ignored.. */
983 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
984 return;
985
986 n = MIN(n, ip->bottom_margin + 1 - ip->cury);
987 if (n <= ip->bottom_margin - ip->cury)
988 {
989 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
990 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
991 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
992 }
993 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
994 attrclr(ip, ip->cury, 0, n, ip->cols);
995 SUBR_CURSOR(ip, DRAW_CURSOR);
996 }
997
998 static void inline
999 ite_lf (ip)
1000 struct ite_softc *ip;
1001 {
1002 ++ip->cury;
1003 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1004 {
1005 ip->cury--;
1006 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1007 ite_clrline(ip);
1008 }
1009 SUBR_CURSOR(ip, MOVE_CURSOR);
1010 clr_attr(ip, ATTR_INV);
1011 }
1012
1013 static void inline
1014 ite_crlf (ip)
1015 struct ite_softc *ip;
1016 {
1017 ip->curx = 0;
1018 ite_lf (ip);
1019 }
1020
1021 static void inline
1022 ite_cr (ip)
1023 struct ite_softc *ip;
1024 {
1025 if (ip->curx)
1026 {
1027 ip->curx = 0;
1028 SUBR_CURSOR(ip, MOVE_CURSOR);
1029 }
1030 }
1031
1032 static void inline
1033 ite_rlf (ip)
1034 struct ite_softc *ip;
1035 {
1036 ip->cury--;
1037 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1038 {
1039 ip->cury++;
1040 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1041 ite_clrline(ip);
1042 }
1043 SUBR_CURSOR(ip, MOVE_CURSOR);
1044 clr_attr(ip, ATTR_INV);
1045 }
1046
1047 static int inline
1048 atoi (cp)
1049 const char *cp;
1050 {
1051 int n;
1052
1053 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1054 n = n * 10 + *cp - '0';
1055
1056 return n;
1057 }
1058
1059 static char *
1060 index (cp, ch)
1061 const char *cp;
1062 char ch;
1063 {
1064 while (*cp && *cp != ch) cp++;
1065 return *cp ? (char *) cp : 0;
1066 }
1067
1068
1069
1070 static int inline
1071 ite_argnum (ip)
1072 struct ite_softc *ip;
1073 {
1074 char ch;
1075 int n;
1076
1077 /* convert argument string into number */
1078 if (ip->ap == ip->argbuf)
1079 return 1;
1080 ch = *ip->ap;
1081 *ip->ap = 0;
1082 n = atoi (ip->argbuf);
1083 *ip->ap = ch;
1084
1085 return n;
1086 }
1087
1088 static int inline
1089 ite_zargnum (ip)
1090 struct ite_softc *ip;
1091 {
1092 char ch, *cp;
1093 int n;
1094
1095 /* convert argument string into number */
1096 if (ip->ap == ip->argbuf)
1097 return 0;
1098 ch = *ip->ap;
1099 *ip->ap = 0;
1100 n = atoi (ip->argbuf);
1101 *ip->ap = ch;
1102
1103 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1104 }
1105
1106 static int inline
1107 strncmp (a, b, l)
1108 const char *a, *b;
1109 int l;
1110 {
1111 for (;l--; a++, b++)
1112 if (*a != *b)
1113 return *a - *b;
1114 return 0;
1115 }
1116
1117 void
1118 ite_putstr(s, len, dev)
1119 const char *s;
1120 int len;
1121 dev_t dev;
1122 {
1123 struct ite_softc *ip = &ite_softc[minor(dev)];
1124 int i;
1125
1126 /* XXX avoid problems */
1127 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1128 return;
1129
1130 SUBR_CURSOR(ip, START_CURSOROPT);
1131 for (i = 0; i < len; i++)
1132 if (s[i])
1133 iteputchar(s[i], ip);
1134 SUBR_CURSOR(ip, END_CURSOROPT);
1135 }
1136
1137
1138 void
1139 iteputchar(c, ip)
1140 register int c;
1141 struct ite_softc *ip;
1142 {
1143 struct tty *kbd_tty;
1144 int n, x, y;
1145 char *cp;
1146
1147 kbd_tty = ite_tty[kbd_ite - ite_softc];
1148
1149 if (ip->escape)
1150 {
1151 doesc:
1152 switch (ip->escape)
1153 {
1154 case ESC:
1155 switch (c)
1156 {
1157 /* first 7bit equivalents for the 8bit control characters */
1158
1159 case 'D':
1160 c = IND;
1161 ip->escape = 0;
1162 break; /* and fall into the next switch below (same for all `break') */
1163
1164 case 'E':
1165 c = NEL;
1166 ip->escape = 0;
1167 break;
1168
1169 case 'H':
1170 c = HTS;
1171 ip->escape = 0;
1172 break;
1173
1174 case 'M':
1175 c = RI;
1176 ip->escape = 0;
1177 break;
1178
1179 case 'N':
1180 c = SS2;
1181 ip->escape = 0;
1182 break;
1183
1184 case 'O':
1185 c = SS3;
1186 ip->escape = 0;
1187 break;
1188
1189 case 'P':
1190 c = DCS;
1191 ip->escape = 0;
1192 break;
1193
1194 case '[':
1195 c = CSI;
1196 ip->escape = 0;
1197 break;
1198
1199 case '\\':
1200 c = ST;
1201 ip->escape = 0;
1202 break;
1203
1204 case ']':
1205 c = OSC;
1206 ip->escape = 0;
1207 break;
1208
1209 case '^':
1210 c = PM;
1211 ip->escape = 0;
1212 break;
1213
1214 case '_':
1215 c = APC;
1216 ip->escape = 0;
1217 break;
1218
1219
1220 /* introduces 7/8bit control */
1221 case ' ':
1222 /* can be followed by either F or G */
1223 ip->escape = ' ';
1224 break;
1225
1226
1227 /* a lot of character set selections, not yet used...
1228 94-character sets: */
1229 case '(': /* G0 */
1230 case ')': /* G1 */
1231 ip->escape = c;
1232 return;
1233
1234 case '*': /* G2 */
1235 case '+': /* G3 */
1236 case 'B': /* ASCII */
1237 case 'A': /* ISO latin 1 */
1238 case '<': /* user preferred suplemental */
1239 case '0': /* dec special graphics */
1240
1241 /* 96-character sets: */
1242 case '-': /* G1 */
1243 case '.': /* G2 */
1244 case '/': /* G3 */
1245
1246 /* national character sets: */
1247 case '4': /* dutch */
1248 case '5':
1249 case 'C': /* finnish */
1250 case 'R': /* french */
1251 case 'Q': /* french canadian */
1252 case 'K': /* german */
1253 case 'Y': /* italian */
1254 case '6': /* norwegian/danish */
1255 /* note: %5 and %6 are not supported (two chars..) */
1256
1257 ip->escape = 0;
1258 /* just ignore for now */
1259 return;
1260
1261
1262 /* locking shift modes (as you might guess, not yet supported..) */
1263 case '`':
1264 ip->GR = ip->G1;
1265 ip->escape = 0;
1266 return;
1267
1268 case 'n':
1269 ip->GL = ip->G2;
1270 ip->escape = 0;
1271 return;
1272
1273 case '}':
1274 ip->GR = ip->G2;
1275 ip->escape = 0;
1276 return;
1277
1278 case 'o':
1279 ip->GL = ip->G3;
1280 ip->escape = 0;
1281 return;
1282
1283 case '|':
1284 ip->GR = ip->G3;
1285 ip->escape = 0;
1286 return;
1287
1288
1289 /* font width/height control */
1290 case '#':
1291 ip->escape = '#';
1292 return;
1293
1294
1295 /* hard terminal reset .. */
1296 case 'c':
1297 ite_reset (ip);
1298 SUBR_CURSOR(ip, MOVE_CURSOR);
1299 ip->escape = 0;
1300 return;
1301
1302
1303 case '7':
1304 ip->save_curx = ip->curx;
1305 ip->save_cury = ip->cury;
1306 ip->save_attribute = ip->attribute;
1307 ip->escape = 0;
1308 return;
1309
1310 case '8':
1311 ip->curx = ip->save_curx;
1312 ip->cury = ip->save_cury;
1313 ip->attribute = ip->save_attribute;
1314 SUBR_CURSOR(ip, MOVE_CURSOR);
1315 ip->escape = 0;
1316 return;
1317
1318 case '=':
1319 ip->keypad_appmode = 1;
1320 ip->escape = 0;
1321 return;
1322
1323 case '>':
1324 ip->keypad_appmode = 0;
1325 ip->escape = 0;
1326 return;
1327
1328 case 'Z': /* request ID */
1329 if (ip->emul_level == EMUL_VT100)
1330 ite_sendstr (ip, "\033[61;0c"); /* XXX not clean */
1331 else
1332 ite_sendstr (ip, "\033[63;0c"); /* XXX not clean */
1333 ip->escape = 0;
1334 return;
1335
1336 /* default catch all for not recognized ESC sequences */
1337 default:
1338 ip->escape = 0;
1339 return;
1340 }
1341 break;
1342
1343
1344 case '(':
1345 case ')':
1346 ip->escape = 0;
1347 return;
1348
1349
1350 case ' ':
1351 switch (c)
1352 {
1353 case 'F':
1354 ip->eightbit_C1 = 0;
1355 ip->escape = 0;
1356 return;
1357
1358 case 'G':
1359 ip->eightbit_C1 = 1;
1360 ip->escape = 0;
1361 return;
1362
1363 default:
1364 /* not supported */
1365 ip->escape = 0;
1366 return;
1367 }
1368 break;
1369
1370
1371 case '#':
1372 switch (c)
1373 {
1374 case '5':
1375 /* single height, single width */
1376 ip->escape = 0;
1377 return;
1378
1379 case '6':
1380 /* double width, single height */
1381 ip->escape = 0;
1382 return;
1383
1384 case '3':
1385 /* top half */
1386 ip->escape = 0;
1387 return;
1388
1389 case '4':
1390 /* bottom half */
1391 ip->escape = 0;
1392 return;
1393
1394 case '8':
1395 /* screen alignment pattern... */
1396 alignment_display (ip);
1397 ip->escape = 0;
1398 return;
1399
1400 default:
1401 ip->escape = 0;
1402 return;
1403 }
1404 break;
1405
1406
1407
1408 case CSI:
1409 /* the biggie... */
1410 switch (c)
1411 {
1412 case '0': case '1': case '2': case '3': case '4':
1413 case '5': case '6': case '7': case '8': case '9':
1414 case ';': case '\"': case '$': case '>':
1415 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1416 *ip->ap++ = c;
1417 return;
1418
1419 case BS:
1420 /* you wouldn't believe such perversion is possible?
1421 it is.. BS is allowed in between cursor sequences
1422 (at least), according to vttest.. */
1423 if (--ip->curx < 0)
1424 ip->curx = 0;
1425 else
1426 SUBR_CURSOR(ip, MOVE_CURSOR);
1427 break;
1428
1429 case 'p':
1430 *ip->ap = 0;
1431 if (! strncmp (ip->argbuf, "61\"", 3))
1432 ip->emul_level = EMUL_VT100;
1433 else if (! strncmp (ip->argbuf, "63;1\"", 5)
1434 || ! strncmp (ip->argbuf, "62;1\"", 5))
1435 ip->emul_level = EMUL_VT300_7;
1436 else
1437 ip->emul_level = EMUL_VT300_8;
1438 ip->escape = 0;
1439 return;
1440
1441
1442 case '?':
1443 *ip->ap = 0;
1444 ip->escape = '?';
1445 ip->ap = ip->argbuf;
1446 return;
1447
1448
1449 case 'c':
1450 *ip->ap = 0;
1451 if (ip->argbuf[0] == '>')
1452 {
1453 ite_sendstr (ip, "\033[>24;0;0;0c");
1454 }
1455 else switch (ite_zargnum(ip))
1456 {
1457 case 0:
1458 /* primary DA request, send primary DA response */
1459 if (ip->emul_level == EMUL_VT100)
1460 ite_sendstr (ip, "\033[?1;1c");
1461 else
1462 ite_sendstr (ip, "\033[63;0c");
1463 break;
1464 }
1465 ip->escape = 0;
1466 return;
1467
1468 case 'n':
1469 switch (ite_zargnum(ip))
1470 {
1471 case 5:
1472 ite_sendstr (ip, "\033[0n"); /* no malfunction */
1473 break;
1474 case 6:
1475 /* cursor position report */
1476 sprintf (ip->argbuf, "\033[%d;%dR",
1477 ip->cury + 1, ip->curx + 1);
1478 ite_sendstr (ip, ip->argbuf);
1479 break;
1480 }
1481 ip->escape = 0;
1482 return;
1483
1484
1485 case 'x':
1486 switch (ite_zargnum(ip))
1487 {
1488 case 0:
1489 /* Fake some terminal parameters. */
1490 ite_sendstr (ip, "\033[2;1;1;112;112;1;0x");
1491 break;
1492 case 1:
1493 ite_sendstr (ip, "\033[3;1;1;112;112;1;0x");
1494 break;
1495 }
1496 ip->escape = 0;
1497 return;
1498
1499
1500 case 'g':
1501 switch (ite_zargnum(ip))
1502 {
1503 case 0:
1504 if (ip->curx < ip->cols)
1505 ip->tabs[ip->curx] = 0;
1506 break;
1507 case 3:
1508 for (n = 0; n < ip->cols; n++)
1509 ip->tabs[n] = 0;
1510 break;
1511 }
1512 ip->escape = 0;
1513 return;
1514
1515
1516 case 'h': case 'l':
1517 n = ite_zargnum (ip);
1518 switch (n)
1519 {
1520 case 4:
1521 ip->imode = (c == 'h'); /* insert/replace mode */
1522 break;
1523 case 20:
1524 ip->linefeed_newline = (c == 'h');
1525 break;
1526 }
1527 ip->escape = 0;
1528 return;
1529
1530
1531 case 'M':
1532 ite_dnline (ip, ite_argnum (ip));
1533 ip->escape = 0;
1534 return;
1535
1536
1537 case 'L':
1538 ite_inline (ip, ite_argnum (ip));
1539 ip->escape = 0;
1540 return;
1541
1542
1543 case 'P':
1544 ite_dnchar (ip, ite_argnum (ip));
1545 ip->escape = 0;
1546 return;
1547
1548
1549 case '@':
1550 ite_inchar (ip, ite_argnum (ip));
1551 ip->escape = 0;
1552 return;
1553
1554
1555 case 'G':
1556 /* this one was *not* in my vt320 manual but in
1557 a vt320 termcap entry.. who is right?
1558 It's supposed to set the horizontal cursor position. */
1559 *ip->ap = 0;
1560 x = atoi (ip->argbuf);
1561 if (x) x--;
1562 ip->curx = MIN(x, ip->cols - 1);
1563 ip->escape = 0;
1564 SUBR_CURSOR(ip, MOVE_CURSOR);
1565 clr_attr (ip, ATTR_INV);
1566 return;
1567
1568
1569 case 'd':
1570 /* same thing here, this one's for setting the absolute
1571 vertical cursor position. Not documented... */
1572 *ip->ap = 0;
1573 y = atoi (ip->argbuf);
1574 if (y) y--;
1575 if (ip->inside_margins)
1576 y += ip->top_margin;
1577 ip->cury = MIN(y, ip->rows - 1);
1578 ip->escape = 0;
1579 snap_cury(ip);
1580 SUBR_CURSOR(ip, MOVE_CURSOR);
1581 clr_attr (ip, ATTR_INV);
1582 return;
1583
1584
1585 case 'H':
1586 case 'f':
1587 *ip->ap = 0;
1588 y = atoi (ip->argbuf);
1589 x = 0;
1590 cp = index (ip->argbuf, ';');
1591 if (cp)
1592 x = atoi (cp + 1);
1593 if (x) x--;
1594 if (y) y--;
1595 if (ip->inside_margins)
1596 y += ip->top_margin;
1597 ip->cury = MIN(y, ip->rows - 1);
1598 ip->curx = MIN(x, ip->cols - 1);
1599 ip->escape = 0;
1600 snap_cury(ip);
1601 SUBR_CURSOR(ip, MOVE_CURSOR);
1602 clr_attr (ip, ATTR_INV);
1603 return;
1604
1605 case 'A':
1606 n = ite_argnum (ip);
1607 n = ip->cury - (n ? n : 1);
1608 if (n < 0) n = 0;
1609 if (ip->inside_margins)
1610 n = MAX(ip->top_margin, n);
1611 else if (n == ip->top_margin - 1)
1612 /* allow scrolling outside region, but don't scroll out
1613 of active region without explicit CUP */
1614 n = ip->top_margin;
1615 ip->cury = n;
1616 ip->escape = 0;
1617 SUBR_CURSOR(ip, MOVE_CURSOR);
1618 clr_attr (ip, ATTR_INV);
1619 return;
1620
1621 case 'B':
1622 n = ite_argnum (ip);
1623 n = ip->cury + (n ? n : 1);
1624 n = MIN(ip->rows - 1, n);
1625 if (ip->inside_margins)
1626 n = MIN(ip->bottom_margin, n);
1627 else if (n == ip->bottom_margin + 1)
1628 /* allow scrolling outside region, but don't scroll out
1629 of active region without explicit CUP */
1630 n = ip->bottom_margin;
1631 ip->cury = n;
1632 ip->escape = 0;
1633 SUBR_CURSOR(ip, MOVE_CURSOR);
1634 clr_attr (ip, ATTR_INV);
1635 return;
1636
1637 case 'C':
1638 n = ite_argnum (ip);
1639 n = n ? n : 1;
1640 ip->curx = MIN(ip->curx + n, ip->cols - 1);
1641 ip->escape = 0;
1642 SUBR_CURSOR(ip, MOVE_CURSOR);
1643 clr_attr (ip, ATTR_INV);
1644 return;
1645
1646 case 'D':
1647 n = ite_argnum (ip);
1648 n = n ? n : 1;
1649 n = ip->curx - n;
1650 ip->curx = n >= 0 ? n : 0;
1651 ip->escape = 0;
1652 SUBR_CURSOR(ip, MOVE_CURSOR);
1653 clr_attr (ip, ATTR_INV);
1654 return;
1655
1656
1657
1658
1659 case 'J':
1660 *ip->ap = 0;
1661 n = ite_zargnum (ip);
1662 if (n == 0)
1663 ite_clrtoeos(ip);
1664 else if (n == 1)
1665 ite_clrtobos(ip);
1666 else if (n == 2)
1667 ite_clrscreen(ip);
1668 ip->escape = 0;
1669 return;
1670
1671
1672 case 'K':
1673 n = ite_zargnum (ip);
1674 if (n == 0)
1675 ite_clrtoeol(ip);
1676 else if (n == 1)
1677 ite_clrtobol(ip);
1678 else if (n == 2)
1679 ite_clrline(ip);
1680 ip->escape = 0;
1681 return;
1682
1683
1684 case 'X':
1685 n = ite_argnum(ip) - 1;
1686 n = MIN(n, ip->cols - 1 - ip->curx);
1687 for (; n >= 0; n--)
1688 {
1689 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1690 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1691 }
1692 ip->escape = 0;
1693 return;
1694
1695
1696 case '}': case '`':
1697 /* status line control */
1698 ip->escape = 0;
1699 return;
1700
1701
1702 case 'r':
1703 *ip->ap = 0;
1704 x = atoi (ip->argbuf);
1705 x = x ? x : 1;
1706 y = ip->rows;
1707 cp = index (ip->argbuf, ';');
1708 if (cp)
1709 {
1710 y = atoi (cp + 1);
1711 y = y ? y : ip->rows;
1712 }
1713 if (y - x < 2)
1714 {
1715 /* if illegal scrolling region, reset to defaults */
1716 x = 1;
1717 y = ip->rows;
1718 }
1719 x--;
1720 y--;
1721 ip->top_margin = MIN(x, ip->rows - 1);
1722 ip->bottom_margin = MIN(y, ip->rows - 1);
1723 if (ip->inside_margins)
1724 {
1725 ip->cury = ip->top_margin;
1726 ip->curx = 0;
1727 SUBR_CURSOR(ip, MOVE_CURSOR);
1728 }
1729 ip->escape = 0;
1730 return;
1731
1732
1733 case 'm':
1734 /* big attribute setter/resetter */
1735 {
1736 char *cp;
1737 *ip->ap = 0;
1738 /* kludge to make CSIm work (== CSI0m) */
1739 if (ip->ap == ip->argbuf)
1740 ip->ap++;
1741 for (cp = ip->argbuf; cp < ip->ap; )
1742 {
1743 switch (*cp)
1744 {
1745 case 0:
1746 case '0':
1747 clr_attr (ip, ATTR_ALL);
1748 cp++;
1749 break;
1750
1751 case '1':
1752 set_attr (ip, ATTR_BOLD);
1753 cp++;
1754 break;
1755
1756 case '2':
1757 switch (cp[1])
1758 {
1759 case '2':
1760 clr_attr (ip, ATTR_BOLD);
1761 cp += 2;
1762 break;
1763
1764 case '4':
1765 clr_attr (ip, ATTR_UL);
1766 cp += 2;
1767 break;
1768
1769 case '5':
1770 clr_attr (ip, ATTR_BLINK);
1771 cp += 2;
1772 break;
1773
1774 case '7':
1775 clr_attr (ip, ATTR_INV);
1776 cp += 2;
1777 break;
1778
1779 default:
1780 cp++;
1781 break;
1782 }
1783 break;
1784
1785 case '4':
1786 set_attr (ip, ATTR_UL);
1787 cp++;
1788 break;
1789
1790 case '5':
1791 set_attr (ip, ATTR_BLINK);
1792 cp++;
1793 break;
1794
1795 case '7':
1796 set_attr (ip, ATTR_INV);
1797 cp++;
1798 break;
1799
1800 default:
1801 cp++;
1802 break;
1803 }
1804 }
1805
1806 }
1807 ip->escape = 0;
1808 return;
1809
1810
1811 case 'u':
1812 /* DECRQTSR */
1813 ite_sendstr (ip, "\033P\033\\");
1814 ip->escape = 0;
1815 return;
1816
1817
1818
1819 default:
1820 ip->escape = 0;
1821 return;
1822 }
1823 break;
1824
1825
1826
1827 case '?': /* CSI ? */
1828 switch (c)
1829 {
1830 case '0': case '1': case '2': case '3': case '4':
1831 case '5': case '6': case '7': case '8': case '9':
1832 case ';': case '\"': case '$':
1833 /* Don't fill the last character; it's needed. */
1834 /* XXX yeah, where ?? */
1835 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
1836 *ip->ap++ = c;
1837 return;
1838
1839
1840 case 'n':
1841 *ip->ap = 0;
1842 if (ip->ap == &ip->argbuf[2])
1843 {
1844 if (! strncmp (ip->argbuf, "15", 2))
1845 /* printer status: no printer */
1846 ite_sendstr (ip, "\033[13n");
1847
1848 else if (! strncmp (ip->argbuf, "25", 2))
1849 /* udk status */
1850 ite_sendstr (ip, "\033[20n");
1851
1852 else if (! strncmp (ip->argbuf, "26", 2))
1853 /* keyboard dialect: US */
1854 ite_sendstr (ip, "\033[27;1n");
1855 }
1856 ip->escape = 0;
1857 return;
1858
1859
1860 case 'h': case 'l':
1861 n = ite_zargnum (ip);
1862 switch (n)
1863 {
1864 case 1:
1865 ip->cursor_appmode = (c == 'h');
1866 break;
1867
1868 case 3:
1869 /* 132/80 columns (132 == 'h') */
1870 break;
1871
1872 case 4: /* smooth scroll */
1873 break;
1874
1875 case 5:
1876 /* light background (=='h') /dark background(=='l') */
1877 break;
1878
1879 case 6: /* origin mode */
1880 ip->inside_margins = (c == 'h');
1881 ip->curx = 0;
1882 ip->cury = ip->inside_margins ? ip->top_margin : 0;
1883 SUBR_CURSOR(ip, MOVE_CURSOR);
1884 break;
1885
1886 case 7: /* auto wraparound */
1887 ip->auto_wrap = (c == 'h');
1888 break;
1889
1890 case 8: /* keyboard repeat */
1891 ip->key_repeat = (c == 'h');
1892 break;
1893
1894 case 20: /* newline mode */
1895 ip->linefeed_newline = (c == 'h');
1896 break;
1897
1898 case 25: /* cursor on/off */
1899 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
1900 break;
1901 }
1902 ip->escape = 0;
1903 return;
1904
1905 default:
1906 ip->escape = 0;
1907 return;
1908 }
1909 break;
1910
1911
1912 default:
1913 ip->escape = 0;
1914 return;
1915 }
1916 }
1917
1918 switch (c) {
1919
1920 case VT: /* VT is treated like LF */
1921 case FF: /* so is FF */
1922 case LF:
1923 /* cr->crlf distinction is done here, on output,
1924 not on input! */
1925 if (ip->linefeed_newline)
1926 ite_crlf (ip);
1927 else
1928 ite_lf (ip);
1929 break;
1930
1931 case CR:
1932 ite_cr (ip);
1933 break;
1934
1935 case BS:
1936 if (--ip->curx < 0)
1937 ip->curx = 0;
1938 else
1939 SUBR_CURSOR(ip, MOVE_CURSOR);
1940 break;
1941
1942 case HT:
1943 for (n = ip->curx + 1; n < ip->cols; n++) {
1944 if (ip->tabs[n]) {
1945 ip->curx = n;
1946 SUBR_CURSOR(ip, MOVE_CURSOR);
1947 break;
1948 }
1949 }
1950 break;
1951
1952 case BEL:
1953 if (kbd_tty && ite_tty[kbd_ite - ite_softc] == kbd_tty)
1954 kbdbell();
1955 break;
1956
1957 case SO:
1958 ip->GL = ip->G1;
1959 break;
1960
1961 case SI:
1962 ip->GL = ip->G0;
1963 break;
1964
1965 case ENQ:
1966 /* send answer-back message !! */
1967 break;
1968
1969 case CAN:
1970 ip->escape = 0; /* cancel any escape sequence in progress */
1971 break;
1972
1973 case SUB:
1974 ip->escape = 0; /* dito, but see below */
1975 /* should also display a reverse question mark!! */
1976 break;
1977
1978 case ESC:
1979 ip->escape = ESC;
1980 break;
1981
1982
1983 /* now it gets weird.. 8bit control sequences.. */
1984 case IND: /* index: move cursor down, scroll */
1985 ite_lf (ip);
1986 break;
1987
1988 case NEL: /* next line. next line, first pos. */
1989 ite_crlf (ip);
1990 break;
1991
1992 case HTS: /* set horizontal tab */
1993 if (ip->curx < ip->cols)
1994 ip->tabs[ip->curx] = 1;
1995 break;
1996
1997 case RI: /* reverse index */
1998 ite_rlf (ip);
1999 break;
2000
2001 case SS2: /* go into G2 for one character */
2002 /* not yet supported */
2003 break;
2004
2005 case SS3: /* go into G3 for one character */
2006 break;
2007
2008 case DCS: /* device control string introducer */
2009 ip->escape = DCS;
2010 ip->ap = ip->argbuf;
2011 break;
2012
2013 case CSI: /* control sequence introducer */
2014 ip->escape = CSI;
2015 ip->ap = ip->argbuf;
2016 break;
2017
2018 case ST: /* string terminator */
2019 /* ignore, if not used as terminator */
2020 break;
2021
2022 case OSC: /* introduces OS command. Ignore everything upto ST */
2023 ip->escape = OSC;
2024 break;
2025
2026 case PM: /* privacy message, ignore everything upto ST */
2027 ip->escape = PM;
2028 break;
2029
2030 case APC: /* application program command, ignore everything upto ST */
2031 ip->escape = APC;
2032 break;
2033
2034 default:
2035 if (c < ' ' || c == DEL)
2036 break;
2037 if (ip->imode)
2038 ite_inchar(ip, 1);
2039 iteprecheckwrap(ip);
2040 #ifdef DO_WEIRD_ATTRIBUTES
2041 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2042 attrset(ip, ATTR_INV);
2043 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2044 }
2045 else
2046 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2047 #else
2048 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2049 #endif
2050 SUBR_CURSOR(ip, DRAW_CURSOR);
2051 itecheckwrap(ip);
2052 break;
2053 }
2054 }
2055
2056 iteprecheckwrap(ip)
2057 struct ite_softc *ip;
2058 {
2059 if (ip->auto_wrap && ip->curx == ip->cols) {
2060 ip->curx = 0;
2061 clr_attr(ip, ATTR_INV);
2062 if (++ip->cury >= ip->bottom_margin + 1) {
2063 ip->cury = ip->bottom_margin;
2064 SUBR_CURSOR(ip, MOVE_CURSOR);
2065 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2066 ite_clrtoeol(ip);
2067 } else
2068 SUBR_CURSOR(ip, MOVE_CURSOR);
2069 }
2070 }
2071
2072 itecheckwrap(ip)
2073 struct ite_softc *ip;
2074 {
2075 #if 0
2076 if (++ip->curx == ip->cols) {
2077 if (ip->auto_wrap) {
2078 ip->curx = 0;
2079 clr_attr(ip, ATTR_INV);
2080 if (++ip->cury >= ip->bottom_margin + 1) {
2081 ip->cury = ip->bottom_margin;
2082 SUBR_CURSOR(ip, MOVE_CURSOR);
2083 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2084 ite_clrtoeol(ip);
2085 return;
2086 }
2087 } else
2088 /* stay there if no autowrap.. */
2089 ip->curx--;
2090 }
2091 #else
2092 if (ip->curx < ip->cols) {
2093 ip->curx++;
2094 SUBR_CURSOR(ip, MOVE_CURSOR);
2095 }
2096 #endif
2097 }
2098
2099 void
2100 iteattach()
2101 {
2102 }
2103
2104 #endif
2105