ite.c revision 1.3 1 /* $NetBSD: ite.c,v 1.3 1995/04/10 08:53:46 mycroft Exp $ */
2
3 /*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the University of
23 * California, Berkeley and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * from: Utah Hdr: ite.c 1.1 90/07/09
41 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91
42 */
43
44 /*
45 * ite - bitmapped terminal.
46 * Supports VT200, a few terminal features will be unavailable until
47 * the system actually probes the device (i.e. not after consinit())
48 */
49
50 #include <sys/param.h>
51 #include <sys/kernel.h>
52 #include <sys/conf.h>
53 #include <sys/device.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 <atari/atari/kdassert.h>
63 #include <atari/dev/iteioctl.h>
64 #include <atari/dev/itevar.h>
65 #include <atari/dev/grfioctl.h>
66 #include <atari/dev/grfabs_reg.h>
67 #include <atari/dev/grfvar.h>
68 #include <atari/dev/viewioctl.h>
69 #include <atari/dev/viewvar.h>
70 #include <atari/dev/kbdmap.h>
71
72 /*
73 * XXX go ask sys/kern/tty.c:ttselect()
74 */
75 #include "grf.h" /* Get definition of NGRF */
76 struct tty *ite_tty[NGRF];
77
78 #define ITEUNIT(dev) (minor(dev))
79
80 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
81 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
82 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
83 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
84 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
85 #define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir)
86
87 u_int ite_confunits; /* configured units */
88
89 int start_repeat_timeo = 30; /* first repeat after x s/100 */
90 int next_repeat_timeo = 10; /* next repeat after x s/100 */
91
92 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
93
94 struct ite_softc con_itesoftc;
95 u_char cons_tabs[MAX_TABS];
96
97 struct ite_softc *kbd_ite;
98 int kbd_init;
99
100 static char *index __P((const char *, int));
101 static int inline atoi __P((const char *));
102 static void ite_switch __P((int));
103 void iteputchar __P((int c, struct ite_softc *ip));
104 void ite_putstr __P((const char * s, int len, dev_t dev));
105 void iteattach __P((struct device *, struct device *, void *));
106 int itematch __P((struct device *, struct cfdata *, void *));
107
108 struct cfdriver itecd = {
109 NULL, "ite", (cfmatch_t)itematch, iteattach, DV_DULL,
110 sizeof(struct ite_softc), NULL, 0 };
111
112 int
113 itematch(pdp, cdp, auxp)
114 struct device *pdp;
115 struct cfdata *cdp;
116 void *auxp;
117 {
118 struct grf_softc *gp;
119 int maj;
120
121 gp = auxp;
122
123 /* ite0 should be at grf0 */
124 if(cdp->cf_unit != gp->g_unit)
125 return(0);
126
127 /*
128 * all that our mask allows (more than enough no one
129 * has > 32 monitors for text consoles on one machine)
130 */
131 if (cdp->cf_unit >= sizeof(ite_confunits) * NBBY)
132 return(0);
133 /*
134 * XXX
135 * normally this would be done in attach, however
136 * during early init we do not have a device pointer
137 * and thus no unit number.
138 */
139 for(maj = 0; maj < nchrdev; maj++)
140 if (cdevsw[maj].d_open == iteopen)
141 break;
142 gp->g_itedev = makedev(maj, cdp->cf_unit);
143 return(1);
144 }
145
146 void
147 iteattach(pdp, dp, auxp)
148 struct device *pdp, *dp;
149 void *auxp;
150 {
151 extern int hz;
152 struct grf_softc *gp;
153 struct ite_softc *ip;
154 int s;
155
156 gp = (struct grf_softc *)auxp;
157
158 /*
159 * mark unit as attached (XXX see itematch)
160 */
161 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
162
163 if(dp) {
164 ip = (struct ite_softc *)dp;
165
166 s = spltty();
167 if(con_itesoftc.grf != NULL
168 && con_itesoftc.grf->g_unit == gp->g_unit) {
169 /*
170 * console reinit copy params over.
171 * and console always gets keyboard
172 */
173 bcopy(&con_itesoftc.grf, &ip->grf,
174 (char *)&ip[1] - (char *)&ip->grf);
175 con_itesoftc.grf = NULL;
176 kbd_ite = ip;
177 }
178 ip->grf = gp;
179 splx(s);
180
181 iteinit(gp->g_itedev);
182 printf(": rows %d cols %d", ip->rows, ip->cols);
183 printf(" repeat at (%d/100)s next at (%d/100)s",
184 start_repeat_timeo, next_repeat_timeo);
185
186 if (kbd_ite == NULL)
187 kbd_ite = ip;
188 if (kbd_ite == ip)
189 printf(" has keyboard");
190 printf("\n");
191 } else {
192 if (con_itesoftc.grf != NULL &&
193 con_itesoftc.grf->g_conpri > gp->g_conpri)
194 return;
195 con_itesoftc.grf = gp;
196 con_itesoftc.tabs = cons_tabs;
197 }
198 }
199
200 struct ite_softc *
201 getitesp(dev)
202 dev_t dev;
203 {
204 extern int atari_realconfig;
205
206 if(atari_realconfig && (con_itesoftc.grf == NULL))
207 return(itecd.cd_devs[ITEUNIT(dev)]);
208
209 if(con_itesoftc.grf == NULL)
210 panic("no ite_softc for console");
211 return(&con_itesoftc);
212 }
213
214 /*
215 * cons.c entry points into ite device.
216 */
217
218 /*
219 * Return a priority in consdev->cn_pri field highest wins. This function
220 * is called before any devices have been probed.
221 */
222 void
223 itecnprobe(cd)
224 struct consdev *cd;
225 {
226 /*
227 * bring graphics layer up.
228 */
229 config_console();
230
231 /*
232 * return priority of the best ite (already picked from attach)
233 * or CN_DEAD.
234 */
235 if (con_itesoftc.grf == NULL)
236 cd->cn_pri = CN_DEAD;
237 else {
238 cd->cn_pri = con_itesoftc.grf->g_conpri;
239 cd->cn_dev = con_itesoftc.grf->g_itedev;
240 }
241 }
242
243 void
244 itecninit(cd)
245 struct consdev *cd;
246 {
247 struct ite_softc *ip;
248
249 ip = getitesp(cd->cn_dev);
250 ip->flags |= ITE_ISCONS;
251 iteinit(cd->cn_dev);
252 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
253 }
254
255 /*
256 * ite_cnfinish() is called in ite_init() when the device is
257 * being probed in the normal fasion, thus we can finish setting
258 * up this ite now that the system is more functional.
259 */
260 void
261 ite_cnfinish(ip)
262 struct ite_softc *ip;
263 {
264 static int done;
265
266 if (done)
267 return;
268 done = 1;
269 }
270
271 int
272 itecngetc(dev)
273 dev_t dev;
274 {
275 int c;
276
277 /* XXX this should be moved */
278 if (!kbd_init) {
279 kbd_init = 1;
280 kbdenable();
281 }
282 do {
283 c = kbdgetcn();
284 c = ite_cnfilter(c, ITEFILT_CONSOLE);
285 } while (c == -1);
286 return (c);
287 }
288
289 void
290 itecnputc(dev, c)
291 dev_t dev;
292 int c;
293 {
294 static int paniced;
295 struct ite_softc *ip;
296 char ch;
297
298 ip = getitesp(dev);
299 ch = c;
300
301 if (panicstr && !paniced &&
302 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
303 (void)ite_on(dev, 3);
304 paniced = 1;
305 }
306 iteputchar(ch, ip);
307 }
308
309 /*
310 * standard entry points to the device.
311 */
312
313 /*
314 * iteinit() is the standard entry point for initialization of
315 * an ite device, it is also called from ite_cninit().
316 *
317 */
318 void
319 iteinit(dev)
320 dev_t dev;
321 {
322 struct ite_softc *ip;
323
324 ip = getitesp(dev);
325 if(ip->flags & ITE_INITED)
326 return;
327 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
328
329 ip->cursorx = 0;
330 ip->cursory = 0;
331 SUBR_INIT(ip);
332 SUBR_CURSOR(ip, DRAW_CURSOR);
333 if (ip->tabs == NULL)
334 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
335 ite_reset(ip);
336 ip->flags |= ITE_INITED;
337 }
338
339 int
340 iteopen(dev, mode, devtype, p)
341 dev_t dev;
342 int mode, devtype;
343 struct proc *p;
344 {
345 struct ite_softc *ip;
346 struct tty *tp;
347 int error, first, unit;
348
349 unit = ITEUNIT(dev);
350 first = 0;
351
352 if (((1 << unit) & ite_confunits) == 0)
353 return (ENXIO);
354
355 ip = getitesp(dev);
356
357 if (ip->tp == NULL)
358 tp = ite_tty[unit] = ip->tp = ttymalloc();
359 else
360 tp = ip->tp;
361 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
362 && p->p_ucred->cr_uid != 0)
363 return (EBUSY);
364 if ((ip->flags & ITE_ACTIVE) == 0) {
365 error = ite_on(dev, 0);
366 if (error)
367 return (error);
368 first = 1;
369 }
370 tp->t_oproc = itestart;
371 tp->t_param = ite_param;
372 tp->t_dev = dev;
373 if ((tp->t_state & TS_ISOPEN) == 0) {
374 ttychars(tp);
375 tp->t_iflag = TTYDEF_IFLAG;
376 tp->t_oflag = TTYDEF_OFLAG;
377 tp->t_cflag = TTYDEF_CFLAG;
378 tp->t_lflag = TTYDEF_LFLAG;
379 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
380 tp->t_state = TS_WOPEN | TS_CARR_ON;
381 ttsetwater(tp);
382 }
383 error = (*linesw[tp->t_line].l_open) (dev, tp);
384 if (error == 0) {
385 tp->t_winsize.ws_row = ip->rows;
386 tp->t_winsize.ws_col = ip->cols;
387 if (!kbd_init) {
388 kbd_init = 1;
389 kbdenable();
390 }
391 } else if (first)
392 ite_off(dev, 0);
393 return (error);
394 }
395
396 int
397 iteclose(dev, flag, mode, p)
398 dev_t dev;
399 int flag, mode;
400 struct proc *p;
401 {
402 struct tty *tp;
403
404 tp = getitesp(dev)->tp;
405
406 KDASSERT(tp);
407 (*linesw[tp->t_line].l_close) (tp, flag);
408 ttyclose(tp);
409 ite_off(dev, 0);
410 return (0);
411 }
412
413 int
414 iteread(dev, uio, flag)
415 dev_t dev;
416 struct uio *uio;
417 int flag;
418 {
419 struct tty *tp;
420
421 tp = getitesp(dev)->tp;
422
423 KDASSERT(tp);
424 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
425 }
426
427 int
428 itewrite(dev, uio, flag)
429 dev_t dev;
430 struct uio *uio;
431 int flag;
432 {
433 struct tty *tp;
434
435 tp = getitesp(dev)->tp;
436
437 KDASSERT(tp);
438 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
439 }
440
441 int
442 itestop(tp, flag)
443 struct tty *tp;
444 int flag;
445 {
446
447 }
448
449 int
450 iteioctl(dev, cmd, addr, flag, p)
451 dev_t dev;
452 u_long cmd;
453 int flag;
454 caddr_t addr;
455 struct proc *p;
456 {
457 struct iterepeat *irp;
458 struct ite_softc *ip;
459 struct tty *tp;
460 int error;
461
462 ip = getitesp(dev);
463 tp = ip->tp;
464
465 KDASSERT(tp);
466
467 error = (*linesw[tp->t_line].l_ioctl) (tp, cmd, addr, flag, p);
468 if(error >= 0)
469 return (error);
470 error = ttioctl(tp, cmd, addr, flag, p);
471 if (error >= 0)
472 return (error);
473
474 switch (cmd) {
475 case ITEIOCSKMAP:
476 if (addr == 0)
477 return(EFAULT);
478 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
479 return(0);
480 case ITEIOCGKMAP:
481 if (addr == NULL)
482 return(EFAULT);
483 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
484 return(0);
485 case ITEIOCGREPT:
486 irp = (struct iterepeat *)addr;
487 irp->start = start_repeat_timeo;
488 irp->next = next_repeat_timeo;
489 return(0);
490 case ITEIOCSREPT:
491 irp = (struct iterepeat *)addr;
492 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
493 return(EINVAL);
494 start_repeat_timeo = irp->start;
495 next_repeat_timeo = irp->next;
496 return(0);
497 }
498 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
499 if(error >= 0)
500 return(error);
501 return (ENOTTY);
502 }
503
504 void
505 itestart(tp)
506 struct tty *tp;
507 {
508 struct clist *rbp;
509 struct ite_softc *ip;
510 u_char buf[ITEBURST];
511 int s, len, n;
512
513 ip = getitesp(tp->t_dev);
514
515 KDASSERT(tp);
516
517 s = spltty(); {
518 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
519 goto out;
520
521 tp->t_state |= TS_BUSY;
522 rbp = &tp->t_outq;
523
524 len = q_to_b(rbp, buf, ITEBURST);
525 } splx(s);
526
527 /* Here is a really good place to implement pre/jumpscroll() */
528 ite_putstr((char *)buf, len, tp->t_dev);
529
530 s = spltty(); {
531 tp->t_state &= ~TS_BUSY;
532 /* we have characters remaining. */
533 if (rbp->c_cc) {
534 tp->t_state |= TS_TIMEOUT;
535 timeout(ttrstrt, tp, 1);
536 }
537 /* wakeup we are below */
538 if (rbp->c_cc <= tp->t_lowat) {
539 if (tp->t_state & TS_ASLEEP) {
540 tp->t_state &= ~TS_ASLEEP;
541 wakeup((caddr_t) rbp);
542 }
543 selwakeup(&tp->t_wsel);
544 }
545 out: ;
546 } splx(s);
547 }
548
549 int
550 ite_on(dev, flag)
551 dev_t dev;
552 int flag;
553 {
554 struct ite_softc *ip;
555 int unit;
556
557 unit = ITEUNIT(dev);
558 if (((1 << unit) & ite_confunits) == 0)
559 return (ENXIO);
560
561 ip = getitesp(dev);
562
563 /* force ite active, overriding graphics mode */
564 if (flag & 1) {
565 ip->flags |= ITE_ACTIVE;
566 ip->flags &= ~(ITE_INGRF | ITE_INITED);
567 }
568 /* leave graphics mode */
569 if (flag & 2) {
570 ip->flags &= ~ITE_INGRF;
571 if ((ip->flags & ITE_ACTIVE) == 0)
572 return (0);
573 }
574 ip->flags |= ITE_ACTIVE;
575 if (ip->flags & ITE_INGRF)
576 return (0);
577 iteinit(dev);
578 return (0);
579 }
580
581 int
582 ite_off(dev, flag)
583 dev_t dev;
584 int flag;
585 {
586 struct ite_softc *ip;
587
588 ip = getitesp(dev);
589 if (flag & 2)
590 ip->flags |= ITE_INGRF;
591 if ((ip->flags & ITE_ACTIVE) == 0)
592 return;
593 if ((flag & 1) ||
594 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
595 SUBR_DEINIT(ip);
596 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
597 ip->flags &= ~ITE_ACTIVE;
598 }
599
600 static void
601 ite_switch(unit)
602 int unit;
603 {
604 struct ite_softc *ip;
605
606 if(!(ite_confunits & (1 << unit)))
607 return; /* Don't try unconfigured units */
608 ip = getitesp(unit);
609 if(!(ip->flags & ITE_INITED))
610 return;
611
612 /*
613 * If switching to an active ite, also switch the keyboard.
614 */
615 if(ip->flags & ITE_ACTIVE)
616 kbd_ite = ip;
617
618 /*
619 * Now make it visible
620 */
621 viewioctl(ip->grf->g_viewdev, VIOCDISPLAY, NULL, 0, -1);
622 }
623
624 /* XXX called after changes made in underlying grf layer. */
625 /* I want to nuke this */
626 void
627 ite_reinit(dev)
628 dev_t dev;
629 {
630 struct ite_softc *ip;
631
632 ip = getitesp(dev);
633 ip->flags &= ~ITE_INITED;
634 iteinit(dev);
635 }
636
637 int
638 ite_param(tp, t)
639 struct tty *tp;
640 struct termios *t;
641 {
642 tp->t_ispeed = t->c_ispeed;
643 tp->t_ospeed = t->c_ospeed;
644 tp->t_cflag = t->c_cflag;
645 return (0);
646 }
647
648 void
649 ite_reset(ip)
650 struct ite_softc *ip;
651 {
652 int i;
653
654 ip->curx = 0;
655 ip->cury = 0;
656 ip->attribute = ATTR_NOR;
657 ip->save_curx = 0;
658 ip->save_cury = 0;
659 ip->save_attribute = ATTR_NOR;
660 ip->ap = ip->argbuf;
661 ip->emul_level = 0;
662 ip->eightbit_C1 = 0;
663 ip->top_margin = 0;
664 ip->bottom_margin = ip->rows - 1;
665 ip->inside_margins = 0;
666 ip->linefeed_newline = 0;
667 ip->auto_wrap = ite_default_wrap;
668 ip->cursor_appmode = 0;
669 ip->keypad_appmode = 0;
670 ip->imode = 0;
671 ip->key_repeat = 1;
672 bzero(ip->tabs, ip->cols);
673 for (i = 0; i < ip->cols; i++)
674 ip->tabs[i] = ((i & 7) == 0);
675 }
676
677 /*
678 * has to be global becuase of the shared filters.
679 */
680 static u_char key_mod;
681 static u_char last_dead;
682
683 /* Used in console at startup only */
684 int
685 ite_cnfilter(c, caller)
686 u_int c;
687 enum caller caller;
688 {
689 struct key key;
690 u_char code, up, mask;
691 int s;
692
693 up = KBD_RELEASED(c);
694 c = KBD_SCANCODE(c);
695 code = 0;
696 mask = 0;
697
698 s = spltty();
699
700 /*
701 * Handle special keys
702 */
703 switch(c) {
704 case KBD_LEFT_SHIFT:
705 mask = KBD_MOD_LSHIFT;
706 break;
707 case KBD_RIGHT_SHIFT:
708 mask = KBD_MOD_RSHIFT;
709 break;
710 case KBD_CTRL:
711 mask = KBD_MOD_CTRL;
712 break;
713 case KBD_ALT:
714 mask = KBD_MOD_ALT;
715 break;
716 case KBD_CAPS_LOCK:
717 /* CAPSLOCK is a toggle */
718 if(!up)
719 key_mod ^= KBD_MOD_CAPS;
720 splx(s);
721 return;
722 break;
723 }
724 if(mask) {
725 if(up)
726 key_mod &= ~mask;
727 else
728 key_mod |= mask;
729 splx(s);
730 return -1;
731 }
732
733 /*
734 * No special action if key released
735 */
736 if(up) {
737 splx(s);
738 return -1;
739 }
740
741 /* translate modifiers */
742 if(key_mod & KBD_MOD_SHIFT) {
743 if(key_mod & KBD_MOD_ALT)
744 key = kbdmap.alt_shift_keys[c];
745 else key = kbdmap.shift_keys[c];
746 }
747 else if(key_mod & KBD_MOD_ALT)
748 key = kbdmap.alt_keys[c];
749 else {
750 key = kbdmap.keys[c];
751 /*
752 * If CAPS and key is CAPable (no pun intended)
753 */
754 if((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
755 key = kbdmap.shift_keys[c];
756 }
757 code = key.code;
758
759 #ifdef notyet /* LWP: Didn't have time to look at this yet */
760 /*
761 * If string return simple console filter
762 */
763 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
764 splx(s);
765 return -1;
766 }
767 /* handle dead keys */
768 if(key->mode & KBD_MODE_DEAD) {
769 /* if entered twice, send accent itself */
770 if (last_dead == key->mode & KBD_MODE_ACCMASK)
771 last_dead = 0;
772 else {
773 last_dead = key->mode & KBD_MODE_ACCMASK;
774 splx(s);
775 return -1;
776 }
777 }
778 if(last_dead) {
779 /* can't apply dead flag to string-keys */
780 if (code >= '@' && code < 0x7f)
781 code =
782 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
783 last_dead = 0;
784 }
785 #endif
786 if(key_mod & KBD_MOD_CTRL)
787 code &= 0x1f;
788
789 /*
790 * Do console mapping.
791 */
792 code = code == '\r' ? '\n' : code;
793
794 splx(s);
795 return (code);
796 }
797
798 /* And now the old stuff. */
799
800 /* these are used to implement repeating keys.. */
801 static u_char last_char;
802 static u_char tout_pending;
803
804 /*ARGSUSED*/
805 static void
806
807 repeat_handler(arg)
808 void *arg;
809 {
810 tout_pending = 0;
811 if(last_char)
812 add_sicallback(ite_filter, last_char, ITEFILT_REPEATER);
813 }
814
815 void
816 ite_filter(c, caller)
817 u_int c;
818 enum caller caller;
819 {
820 struct tty *kbd_tty;
821 u_char code, *str, up, mask;
822 struct key key;
823 int s, i;
824
825 if(kbd_ite == NULL)
826 return;
827
828 kbd_tty = kbd_ite->tp;
829
830 up = KBD_RELEASED(c);
831 c = KBD_SCANCODE(c);
832 code = 0;
833 mask = 0;
834
835 /* have to make sure we're at spltty in here */
836 s = spltty();
837
838 /*
839 * keyboard interrupts come at priority 2, while softint
840 * generated keyboard-repeat interrupts come at level 1. So,
841 * to not allow a key-up event to get thru before a repeat for
842 * the key-down, we remove any outstanding callout requests..
843 */
844 rem_sicallback(ite_filter);
845
846
847 /*
848 * Handle special keys
849 */
850 switch(c) {
851 case KBD_LEFT_SHIFT:
852 mask = KBD_MOD_LSHIFT;
853 break;
854 case KBD_RIGHT_SHIFT:
855 mask = KBD_MOD_RSHIFT;
856 break;
857 case KBD_CTRL:
858 mask = KBD_MOD_CTRL;
859 break;
860 case KBD_ALT:
861 mask = KBD_MOD_ALT;
862 break;
863 case KBD_CAPS_LOCK:
864 /* CAPSLOCK is a toggle */
865 if(!up)
866 key_mod ^= KBD_MOD_CAPS;
867 splx(s);
868 return;
869 break;
870 }
871 if(mask) {
872 if(up)
873 key_mod &= ~mask;
874 else
875 key_mod |= mask;
876 splx(s);
877 return;
878 }
879
880 /*
881 * Stop repeating on up event
882 */
883 if (up) {
884 if(tout_pending) {
885 untimeout(repeat_handler, 0);
886 tout_pending = 0;
887 last_char = 0;
888 }
889 splx(s);
890 return;
891 }
892 else if(tout_pending && last_char != c) {
893 /*
894 * Different character, stop also
895 */
896 untimeout(repeat_handler, 0);
897 tout_pending = 0;
898 last_char = 0;
899 }
900
901 /*
902 * Handle ite-switching ALT + Fx
903 */
904 if((key_mod == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) {
905 ite_switch(c - 0x3b);
906 splx(s);
907 return;
908 }
909 /*
910 * Safety button, switch back to ascii keymap.
911 */
912 if(key_mod == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) {
913 /* ALT + LSHIFT + F1 */
914 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
915 splx(s);
916 return;
917 #ifdef DDB
918 }
919 else if(key_mod == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) {
920 /* ALT + LSHIFT + F9 */
921 extern int Debugger();
922 Debugger();
923 splx(s);
924 return;
925 #endif
926 }
927
928 /*
929 * The rest of the code is senseless when the device is not open.
930 */
931 if(kbd_tty == NULL) {
932 splx(s);
933 return;
934 }
935
936 /*
937 * Translate modifiers
938 */
939 if(key_mod & KBD_MOD_SHIFT) {
940 if(key_mod & KBD_MOD_ALT)
941 key = kbdmap.alt_shift_keys[c];
942 else key = kbdmap.shift_keys[c];
943 }
944 else if(key_mod & KBD_MOD_ALT)
945 key = kbdmap.alt_keys[c];
946 else {
947 key = kbdmap.keys[c];
948 /*
949 * If CAPS and key is CAPable (no pun intended)
950 */
951 if((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
952 key = kbdmap.shift_keys[c];
953 }
954 code = key.code;
955
956 /*
957 * Arrange to repeat the keystroke. By doing this at the level
958 * of scan-codes, we can have function keys, and keys that
959 * send strings, repeat too. This also entitles an additional
960 * overhead, since we have to do the conversion each time, but
961 * I guess that's ok.
962 */
963 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
964 tout_pending = 1;
965 last_char = c;
966 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100);
967 }
968 else if(!tout_pending && caller==ITEFILT_REPEATER
969 && kbd_ite->key_repeat) {
970 tout_pending = 1;
971 last_char = c;
972 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100);
973 }
974 /* handle dead keys */
975 if (key.mode & KBD_MODE_DEAD) {
976 /* if entered twice, send accent itself */
977 if (last_dead == key.mode & KBD_MODE_ACCMASK)
978 last_dead = 0;
979 else {
980 last_dead = key.mode & KBD_MODE_ACCMASK;
981 splx(s);
982 return;
983 }
984 }
985 if (last_dead) {
986 /* can't apply dead flag to string-keys */
987 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
988 code < 0x7f)
989 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
990 last_dead = 0;
991 }
992
993 /*
994 * If not string, apply CTRL modifiers
995 */
996 if(!(key.mode & KBD_MODE_STRING)
997 && (!(key.mode & KBD_MODE_KPAD)
998 || (kbd_ite && !kbd_ite->keypad_appmode))) {
999 if(key_mod & KBD_MOD_CTRL)
1000 code &= 0x1f;
1001 }
1002 else if((key.mode & KBD_MODE_KPAD)
1003 && (kbd_ite && kbd_ite->keypad_appmode)) {
1004 static char *in = "0123456789-+.\r()/*";
1005 static char *out = "pqrstuvwxymlnMPQRS";
1006 char *cp = index(in, code);
1007
1008 /*
1009 * keypad-appmode sends SS3 followed by the above
1010 * translated character
1011 */
1012 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
1013 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty);
1014 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
1015 splx(s);
1016 return;
1017 } else {
1018 /* *NO* I don't like this.... */
1019 static u_char app_cursor[] =
1020 {
1021 3, 27, 'O', 'A',
1022 3, 27, 'O', 'B',
1023 3, 27, 'O', 'C',
1024 3, 27, 'O', 'D'};
1025
1026 str = kbdmap.strings + code;
1027 /*
1028 * if this is a cursor key, AND it has the default
1029 * keymap setting, AND we're in app-cursor mode, switch
1030 * to the above table. This is *nasty* !
1031 */
1032 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50))
1033 && kbd_ite->cursor_appmode
1034 && !bcmp(str, "\x03\x1b[", 3) &&
1035 index("ABCD", str[3]))
1036 str = app_cursor + 4 * (str[3] - 'A');
1037
1038 /*
1039 * using a length-byte instead of 0-termination allows
1040 * to embed \0 into strings, although this is not used
1041 * in the default keymap
1042 */
1043 for (i = *str++; i; i--)
1044 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1045 splx(s);
1046 return;
1047 }
1048 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
1049
1050 splx(s);
1051 return;
1052 }
1053
1054 /* helper functions, makes the code below more readable */
1055 static void inline
1056 ite_sendstr(str)
1057 char *str;
1058 {
1059 struct tty *kbd_tty;
1060
1061 kbd_tty = kbd_ite->tp;
1062 KDASSERT(kbd_tty);
1063 while (*str)
1064 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1065 }
1066
1067 static void
1068 alignment_display(ip)
1069 struct ite_softc *ip;
1070 {
1071 int i, j;
1072
1073 for (j = 0; j < ip->rows; j++)
1074 for (i = 0; i < ip->cols; i++)
1075 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1076 attrclr(ip, 0, 0, ip->rows, ip->cols);
1077 SUBR_CURSOR(ip, DRAW_CURSOR);
1078 }
1079
1080 static void inline
1081 snap_cury(ip)
1082 struct ite_softc *ip;
1083 {
1084 if (ip->inside_margins)
1085 {
1086 if (ip->cury < ip->top_margin)
1087 ip->cury = ip->top_margin;
1088 if (ip->cury > ip->bottom_margin)
1089 ip->cury = ip->bottom_margin;
1090 }
1091 }
1092
1093 static void inline
1094 ite_dnchar(ip, n)
1095 struct ite_softc *ip;
1096 int n;
1097 {
1098 n = min(n, ip->cols - ip->curx);
1099 if (n < ip->cols - ip->curx)
1100 {
1101 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1102 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1103 1, ip->cols - ip->curx - n);
1104 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1105 }
1106 while (n-- > 0)
1107 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1108 SUBR_CURSOR(ip, DRAW_CURSOR);
1109 }
1110
1111 static void inline
1112 ite_inchar(ip, n)
1113 struct ite_softc *ip;
1114 int n;
1115 {
1116 n = min(n, ip->cols - ip->curx);
1117 if (n < ip->cols - ip->curx)
1118 {
1119 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1120 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1121 1, ip->cols - ip->curx - n);
1122 attrclr(ip, ip->cury, ip->curx, 1, n);
1123 }
1124 while (n--)
1125 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1126 SUBR_CURSOR(ip, DRAW_CURSOR);
1127 }
1128
1129 static void inline
1130 ite_clrtoeol(ip)
1131 struct ite_softc *ip;
1132 {
1133 int y = ip->cury, x = ip->curx;
1134 if (ip->cols - x > 0)
1135 {
1136 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1137 attrclr(ip, y, x, 1, ip->cols - x);
1138 SUBR_CURSOR(ip, DRAW_CURSOR);
1139 }
1140 }
1141
1142 static void inline
1143 ite_clrtobol(ip)
1144 struct ite_softc *ip;
1145 {
1146 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1147 SUBR_CLEAR(ip, y, 0, 1, x);
1148 attrclr(ip, y, 0, 1, x);
1149 SUBR_CURSOR(ip, DRAW_CURSOR);
1150 }
1151
1152 static void inline
1153 ite_clrline(ip)
1154 struct ite_softc *ip;
1155 {
1156 int y = ip->cury;
1157 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1158 attrclr(ip, y, 0, 1, ip->cols);
1159 SUBR_CURSOR(ip, DRAW_CURSOR);
1160 }
1161
1162
1163
1164 static void inline
1165 ite_clrtoeos(ip)
1166 struct ite_softc *ip;
1167 {
1168 ite_clrtoeol(ip);
1169 if (ip->cury < ip->rows - 1)
1170 {
1171 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1172 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1173 SUBR_CURSOR(ip, DRAW_CURSOR);
1174 }
1175 }
1176
1177 static void inline
1178 ite_clrtobos(ip)
1179 struct ite_softc *ip;
1180 {
1181 ite_clrtobol(ip);
1182 if (ip->cury > 0)
1183 {
1184 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1185 attrclr(ip, 0, 0, ip->cury, ip->cols);
1186 SUBR_CURSOR(ip, DRAW_CURSOR);
1187 }
1188 }
1189
1190 static void inline
1191 ite_clrscreen(ip)
1192 struct ite_softc *ip;
1193 {
1194 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1195 attrclr(ip, 0, 0, ip->rows, ip->cols);
1196 SUBR_CURSOR(ip, DRAW_CURSOR);
1197 }
1198
1199
1200
1201 static void inline
1202 ite_dnline(ip, n)
1203 struct ite_softc *ip;
1204 int n;
1205 {
1206 /* interesting.. if the cursor is outside the scrolling
1207 region, this command is simply ignored.. */
1208 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1209 return;
1210
1211 n = min(n, ip->bottom_margin + 1 - ip->cury);
1212 if (n <= ip->bottom_margin - ip->cury)
1213 {
1214 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1215 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1216 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1217 }
1218 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1219 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1220 SUBR_CURSOR(ip, DRAW_CURSOR);
1221 }
1222
1223 static void inline
1224 ite_inline(ip, n)
1225 struct ite_softc *ip;
1226 int n;
1227 {
1228 /* interesting.. if the cursor is outside the scrolling
1229 region, this command is simply ignored.. */
1230 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1231 return;
1232
1233 n = min(n, ip->bottom_margin + 1 - ip->cury);
1234 if (n <= ip->bottom_margin - ip->cury)
1235 {
1236 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1237 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1238 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1239 }
1240 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1241 attrclr(ip, ip->cury, 0, n, ip->cols);
1242 SUBR_CURSOR(ip, DRAW_CURSOR);
1243 }
1244
1245 static void inline
1246 ite_lf (ip)
1247 struct ite_softc *ip;
1248 {
1249 ++ip->cury;
1250 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1251 {
1252 ip->cury--;
1253 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1254 ite_clrline(ip);
1255 }
1256 SUBR_CURSOR(ip, MOVE_CURSOR);
1257 clr_attr(ip, ATTR_INV);
1258 }
1259
1260 static void inline
1261 ite_crlf (ip)
1262 struct ite_softc *ip;
1263 {
1264 ip->curx = 0;
1265 ite_lf (ip);
1266 }
1267
1268 static void inline
1269 ite_cr (ip)
1270 struct ite_softc *ip;
1271 {
1272 if (ip->curx)
1273 {
1274 ip->curx = 0;
1275 SUBR_CURSOR(ip, MOVE_CURSOR);
1276 }
1277 }
1278
1279 static void inline
1280 ite_rlf (ip)
1281 struct ite_softc *ip;
1282 {
1283 ip->cury--;
1284 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1285 {
1286 ip->cury++;
1287 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1288 ite_clrline(ip);
1289 }
1290 SUBR_CURSOR(ip, MOVE_CURSOR);
1291 clr_attr(ip, ATTR_INV);
1292 }
1293
1294 static int inline
1295 atoi (cp)
1296 const char *cp;
1297 {
1298 int n;
1299
1300 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1301 n = n * 10 + *cp - '0';
1302
1303 return n;
1304 }
1305
1306 static char *
1307 index (cp, ch)
1308 const char *cp;
1309 int ch;
1310 {
1311 while (*cp && *cp != ch) cp++;
1312 return *cp ? (char *) cp : 0;
1313 }
1314
1315
1316
1317 static int inline
1318 ite_argnum (ip)
1319 struct ite_softc *ip;
1320 {
1321 char ch;
1322 int n;
1323
1324 /* convert argument string into number */
1325 if (ip->ap == ip->argbuf)
1326 return 1;
1327 ch = *ip->ap;
1328 *ip->ap = 0;
1329 n = atoi (ip->argbuf);
1330 *ip->ap = ch;
1331
1332 return n;
1333 }
1334
1335 static int inline
1336 ite_zargnum (ip)
1337 struct ite_softc *ip;
1338 {
1339 char ch, *cp;
1340 int n;
1341
1342 /* convert argument string into number */
1343 if (ip->ap == ip->argbuf)
1344 return 0;
1345 ch = *ip->ap;
1346 *ip->ap = 0;
1347 n = atoi (ip->argbuf);
1348 *ip->ap = ch;
1349
1350 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1351 }
1352
1353 static int inline
1354 strncmp (a, b, l)
1355 const char *a, *b;
1356 int l;
1357 {
1358 for (;l--; a++, b++)
1359 if (*a != *b)
1360 return *a - *b;
1361 return 0;
1362 }
1363
1364 void
1365 ite_putstr(s, len, dev)
1366 const char *s;
1367 int len;
1368 dev_t dev;
1369 {
1370 struct ite_softc *ip;
1371 int i;
1372
1373 ip = getitesp(dev);
1374
1375 /* XXX avoid problems */
1376 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1377 return;
1378
1379 SUBR_CURSOR(ip, START_CURSOROPT);
1380 for (i = 0; i < len; i++)
1381 if (s[i])
1382 iteputchar(s[i], ip);
1383 SUBR_CURSOR(ip, END_CURSOROPT);
1384 }
1385
1386
1387 void
1388 iteputchar(c, ip)
1389 register int c;
1390 struct ite_softc *ip;
1391 {
1392 struct tty *kbd_tty;
1393 int n, x, y;
1394 char *cp;
1395
1396 if (kbd_ite == NULL)
1397 kbd_tty = NULL;
1398 else
1399 kbd_tty = kbd_ite->tp;
1400
1401 if (ip->escape)
1402 {
1403 doesc:
1404 switch (ip->escape)
1405 {
1406 case ESC:
1407 switch (c)
1408 {
1409 /* first 7bit equivalents for the 8bit control characters */
1410
1411 case 'D':
1412 c = IND;
1413 ip->escape = 0;
1414 break; /* and fall into the next switch below (same for all `break') */
1415
1416 case 'E':
1417 c = NEL;
1418 ip->escape = 0;
1419 break;
1420
1421 case 'H':
1422 c = HTS;
1423 ip->escape = 0;
1424 break;
1425
1426 case 'M':
1427 c = RI;
1428 ip->escape = 0;
1429 break;
1430
1431 case 'N':
1432 c = SS2;
1433 ip->escape = 0;
1434 break;
1435
1436 case 'O':
1437 c = SS3;
1438 ip->escape = 0;
1439 break;
1440
1441 case 'P':
1442 c = DCS;
1443 ip->escape = 0;
1444 break;
1445
1446 case '[':
1447 c = CSI;
1448 ip->escape = 0;
1449 break;
1450
1451 case '\\':
1452 c = ST;
1453 ip->escape = 0;
1454 break;
1455
1456 case ']':
1457 c = OSC;
1458 ip->escape = 0;
1459 break;
1460
1461 case '^':
1462 c = PM;
1463 ip->escape = 0;
1464 break;
1465
1466 case '_':
1467 c = APC;
1468 ip->escape = 0;
1469 break;
1470
1471
1472 /* introduces 7/8bit control */
1473 case ' ':
1474 /* can be followed by either F or G */
1475 ip->escape = ' ';
1476 break;
1477
1478
1479 /* a lot of character set selections, not yet used...
1480 94-character sets: */
1481 case '(': /* G0 */
1482 case ')': /* G1 */
1483 ip->escape = c;
1484 return;
1485
1486 case '*': /* G2 */
1487 case '+': /* G3 */
1488 case 'B': /* ASCII */
1489 case 'A': /* ISO latin 1 */
1490 case '<': /* user preferred suplemental */
1491 case '0': /* dec special graphics */
1492
1493 /* 96-character sets: */
1494 case '-': /* G1 */
1495 case '.': /* G2 */
1496 case '/': /* G3 */
1497
1498 /* national character sets: */
1499 case '4': /* dutch */
1500 case '5':
1501 case 'C': /* finnish */
1502 case 'R': /* french */
1503 case 'Q': /* french canadian */
1504 case 'K': /* german */
1505 case 'Y': /* italian */
1506 case '6': /* norwegian/danish */
1507 /* note: %5 and %6 are not supported (two chars..) */
1508
1509 ip->escape = 0;
1510 /* just ignore for now */
1511 return;
1512
1513
1514 /* locking shift modes (as you might guess, not yet supported..) */
1515 case '`':
1516 ip->GR = ip->G1;
1517 ip->escape = 0;
1518 return;
1519
1520 case 'n':
1521 ip->GL = ip->G2;
1522 ip->escape = 0;
1523 return;
1524
1525 case '}':
1526 ip->GR = ip->G2;
1527 ip->escape = 0;
1528 return;
1529
1530 case 'o':
1531 ip->GL = ip->G3;
1532 ip->escape = 0;
1533 return;
1534
1535 case '|':
1536 ip->GR = ip->G3;
1537 ip->escape = 0;
1538 return;
1539
1540
1541 /* font width/height control */
1542 case '#':
1543 ip->escape = '#';
1544 return;
1545
1546
1547 /* hard terminal reset .. */
1548 case 'c':
1549 ite_reset (ip);
1550 SUBR_CURSOR(ip, MOVE_CURSOR);
1551 ip->escape = 0;
1552 return;
1553
1554
1555 case '7':
1556 ip->save_curx = ip->curx;
1557 ip->save_cury = ip->cury;
1558 ip->save_attribute = ip->attribute;
1559 ip->escape = 0;
1560 return;
1561
1562 case '8':
1563 ip->curx = ip->save_curx;
1564 ip->cury = ip->save_cury;
1565 ip->attribute = ip->save_attribute;
1566 SUBR_CURSOR(ip, MOVE_CURSOR);
1567 ip->escape = 0;
1568 return;
1569
1570 case '=':
1571 ip->keypad_appmode = 1;
1572 ip->escape = 0;
1573 return;
1574
1575 case '>':
1576 ip->keypad_appmode = 0;
1577 ip->escape = 0;
1578 return;
1579
1580 case 'Z': /* request ID */
1581 if (ip->emul_level == EMUL_VT100)
1582 ite_sendstr ("\033[?61;0c"); /* XXX not clean */
1583 else
1584 ite_sendstr ("\033[?63;0c"); /* XXX not clean */
1585 ip->escape = 0;
1586 return;
1587
1588 /* default catch all for not recognized ESC sequences */
1589 default:
1590 ip->escape = 0;
1591 return;
1592 }
1593 break;
1594
1595
1596 case '(':
1597 case ')':
1598 ip->escape = 0;
1599 return;
1600
1601
1602 case ' ':
1603 switch (c)
1604 {
1605 case 'F':
1606 ip->eightbit_C1 = 0;
1607 ip->escape = 0;
1608 return;
1609
1610 case 'G':
1611 ip->eightbit_C1 = 1;
1612 ip->escape = 0;
1613 return;
1614
1615 default:
1616 /* not supported */
1617 ip->escape = 0;
1618 return;
1619 }
1620 break;
1621
1622
1623 case '#':
1624 switch (c)
1625 {
1626 case '5':
1627 /* single height, single width */
1628 ip->escape = 0;
1629 return;
1630
1631 case '6':
1632 /* double width, single height */
1633 ip->escape = 0;
1634 return;
1635
1636 case '3':
1637 /* top half */
1638 ip->escape = 0;
1639 return;
1640
1641 case '4':
1642 /* bottom half */
1643 ip->escape = 0;
1644 return;
1645
1646 case '8':
1647 /* screen alignment pattern... */
1648 alignment_display (ip);
1649 ip->escape = 0;
1650 return;
1651
1652 default:
1653 ip->escape = 0;
1654 return;
1655 }
1656 break;
1657
1658
1659
1660 case CSI:
1661 /* the biggie... */
1662 switch (c)
1663 {
1664 case '0': case '1': case '2': case '3': case '4':
1665 case '5': case '6': case '7': case '8': case '9':
1666 case ';': case '\"': case '$': case '>':
1667 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1668 *ip->ap++ = c;
1669 return;
1670
1671 case BS:
1672 /* you wouldn't believe such perversion is possible?
1673 it is.. BS is allowed in between cursor sequences
1674 (at least), according to vttest.. */
1675 if (--ip->curx < 0)
1676 ip->curx = 0;
1677 else
1678 SUBR_CURSOR(ip, MOVE_CURSOR);
1679 break;
1680
1681 case 'p':
1682 *ip->ap = 0;
1683 if (! strncmp (ip->argbuf, "61\"", 3))
1684 ip->emul_level = EMUL_VT100;
1685 else if (! strncmp (ip->argbuf, "63;1\"", 5)
1686 || ! strncmp (ip->argbuf, "62;1\"", 5))
1687 ip->emul_level = EMUL_VT300_7;
1688 else
1689 ip->emul_level = EMUL_VT300_8;
1690 ip->escape = 0;
1691 return;
1692
1693
1694 case '?':
1695 *ip->ap = 0;
1696 ip->escape = '?';
1697 ip->ap = ip->argbuf;
1698 return;
1699
1700
1701 case 'c':
1702 *ip->ap = 0;
1703 if (ip->argbuf[0] == '>')
1704 {
1705 ite_sendstr ("\033[>24;0;0;0c");
1706 }
1707 else switch (ite_zargnum(ip))
1708 {
1709 case 0:
1710 /* primary DA request, send primary DA response */
1711 if (ip->emul_level == EMUL_VT100)
1712 ite_sendstr ("\033[?1;1c");
1713 else
1714 ite_sendstr ("\033[?63;1c");
1715 break;
1716 }
1717 ip->escape = 0;
1718 return;
1719
1720 case 'n':
1721 switch (ite_zargnum(ip))
1722 {
1723 case 5:
1724 ite_sendstr ("\033[0n"); /* no malfunction */
1725 break;
1726 case 6:
1727 /* cursor position report */
1728 sprintf (ip->argbuf, "\033[%d;%dR",
1729 ip->cury + 1, ip->curx + 1);
1730 ite_sendstr (ip->argbuf);
1731 break;
1732 }
1733 ip->escape = 0;
1734 return;
1735
1736
1737 case 'x':
1738 switch (ite_zargnum(ip))
1739 {
1740 case 0:
1741 /* Fake some terminal parameters. */
1742 ite_sendstr ("\033[2;1;1;112;112;1;0x");
1743 break;
1744 case 1:
1745 ite_sendstr ("\033[3;1;1;112;112;1;0x");
1746 break;
1747 }
1748 ip->escape = 0;
1749 return;
1750
1751
1752 case 'g':
1753 switch (ite_zargnum(ip))
1754 {
1755 case 0:
1756 if (ip->curx < ip->cols)
1757 ip->tabs[ip->curx] = 0;
1758 break;
1759 case 3:
1760 for (n = 0; n < ip->cols; n++)
1761 ip->tabs[n] = 0;
1762 break;
1763 }
1764 ip->escape = 0;
1765 return;
1766
1767
1768 case 'h': case 'l':
1769 n = ite_zargnum (ip);
1770 switch (n)
1771 {
1772 case 4:
1773 ip->imode = (c == 'h'); /* insert/replace mode */
1774 break;
1775 case 20:
1776 ip->linefeed_newline = (c == 'h');
1777 break;
1778 }
1779 ip->escape = 0;
1780 return;
1781
1782
1783 case 'M':
1784 ite_dnline (ip, ite_argnum (ip));
1785 ip->escape = 0;
1786 return;
1787
1788
1789 case 'L':
1790 ite_inline (ip, ite_argnum (ip));
1791 ip->escape = 0;
1792 return;
1793
1794
1795 case 'P':
1796 ite_dnchar (ip, ite_argnum (ip));
1797 ip->escape = 0;
1798 return;
1799
1800
1801 case '@':
1802 ite_inchar (ip, ite_argnum (ip));
1803 ip->escape = 0;
1804 return;
1805
1806
1807 case 'G':
1808 /* this one was *not* in my vt320 manual but in
1809 a vt320 termcap entry.. who is right?
1810 It's supposed to set the horizontal cursor position. */
1811 *ip->ap = 0;
1812 x = atoi (ip->argbuf);
1813 if (x) x--;
1814 ip->curx = min(x, ip->cols - 1);
1815 ip->escape = 0;
1816 SUBR_CURSOR(ip, MOVE_CURSOR);
1817 clr_attr (ip, ATTR_INV);
1818 return;
1819
1820
1821 case 'd':
1822 /* same thing here, this one's for setting the absolute
1823 vertical cursor position. Not documented... */
1824 *ip->ap = 0;
1825 y = atoi (ip->argbuf);
1826 if (y) y--;
1827 if (ip->inside_margins)
1828 y += ip->top_margin;
1829 ip->cury = min(y, ip->rows - 1);
1830 ip->escape = 0;
1831 snap_cury(ip);
1832 SUBR_CURSOR(ip, MOVE_CURSOR);
1833 clr_attr (ip, ATTR_INV);
1834 return;
1835
1836
1837 case 'H':
1838 case 'f':
1839 *ip->ap = 0;
1840 y = atoi (ip->argbuf);
1841 x = 0;
1842 cp = index (ip->argbuf, ';');
1843 if (cp)
1844 x = atoi (cp + 1);
1845 if (x) x--;
1846 if (y) y--;
1847 if (ip->inside_margins)
1848 y += ip->top_margin;
1849 ip->cury = min(y, ip->rows - 1);
1850 ip->curx = min(x, ip->cols - 1);
1851 ip->escape = 0;
1852 snap_cury(ip);
1853 SUBR_CURSOR(ip, MOVE_CURSOR);
1854 clr_attr (ip, ATTR_INV);
1855 return;
1856
1857 case 'A':
1858 n = ite_argnum (ip);
1859 n = ip->cury - (n ? n : 1);
1860 if (n < 0) n = 0;
1861 if (ip->inside_margins)
1862 n = max(ip->top_margin, n);
1863 else if (n == ip->top_margin - 1)
1864 /* allow scrolling outside region, but don't scroll out
1865 of active region without explicit CUP */
1866 n = ip->top_margin;
1867 ip->cury = n;
1868 ip->escape = 0;
1869 SUBR_CURSOR(ip, MOVE_CURSOR);
1870 clr_attr (ip, ATTR_INV);
1871 return;
1872
1873 case 'B':
1874 n = ite_argnum (ip);
1875 n = ip->cury + (n ? n : 1);
1876 n = min(ip->rows - 1, n);
1877 if (ip->inside_margins)
1878 n = min(ip->bottom_margin, n);
1879 else if (n == ip->bottom_margin + 1)
1880 /* allow scrolling outside region, but don't scroll out
1881 of active region without explicit CUP */
1882 n = ip->bottom_margin;
1883 ip->cury = n;
1884 ip->escape = 0;
1885 SUBR_CURSOR(ip, MOVE_CURSOR);
1886 clr_attr (ip, ATTR_INV);
1887 return;
1888
1889 case 'C':
1890 n = ite_argnum (ip);
1891 n = n ? n : 1;
1892 ip->curx = min(ip->curx + n, ip->cols - 1);
1893 ip->escape = 0;
1894 SUBR_CURSOR(ip, MOVE_CURSOR);
1895 clr_attr (ip, ATTR_INV);
1896 return;
1897
1898 case 'D':
1899 n = ite_argnum (ip);
1900 n = n ? n : 1;
1901 n = ip->curx - n;
1902 ip->curx = n >= 0 ? n : 0;
1903 ip->escape = 0;
1904 SUBR_CURSOR(ip, MOVE_CURSOR);
1905 clr_attr (ip, ATTR_INV);
1906 return;
1907
1908
1909
1910
1911 case 'J':
1912 *ip->ap = 0;
1913 n = ite_zargnum (ip);
1914 if (n == 0)
1915 ite_clrtoeos(ip);
1916 else if (n == 1)
1917 ite_clrtobos(ip);
1918 else if (n == 2)
1919 ite_clrscreen(ip);
1920 ip->escape = 0;
1921 return;
1922
1923
1924 case 'K':
1925 n = ite_zargnum (ip);
1926 if (n == 0)
1927 ite_clrtoeol(ip);
1928 else if (n == 1)
1929 ite_clrtobol(ip);
1930 else if (n == 2)
1931 ite_clrline(ip);
1932 ip->escape = 0;
1933 return;
1934
1935
1936 case 'X':
1937 n = ite_argnum(ip) - 1;
1938 n = min(n, ip->cols - 1 - ip->curx);
1939 for (; n >= 0; n--)
1940 {
1941 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1942 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1943 }
1944 ip->escape = 0;
1945 return;
1946
1947
1948 case '}': case '`':
1949 /* status line control */
1950 ip->escape = 0;
1951 return;
1952
1953
1954 case 'r':
1955 *ip->ap = 0;
1956 x = atoi (ip->argbuf);
1957 x = x ? x : 1;
1958 y = ip->rows;
1959 cp = index (ip->argbuf, ';');
1960 if (cp)
1961 {
1962 y = atoi (cp + 1);
1963 y = y ? y : ip->rows;
1964 }
1965 if (y - x < 2)
1966 {
1967 /* if illegal scrolling region, reset to defaults */
1968 x = 1;
1969 y = ip->rows;
1970 }
1971 x--;
1972 y--;
1973 ip->top_margin = min(x, ip->rows - 1);
1974 ip->bottom_margin = min(y, ip->rows - 1);
1975 if (ip->inside_margins)
1976 {
1977 ip->cury = ip->top_margin;
1978 ip->curx = 0;
1979 SUBR_CURSOR(ip, MOVE_CURSOR);
1980 }
1981 ip->escape = 0;
1982 return;
1983
1984
1985 case 'm':
1986 /* big attribute setter/resetter */
1987 {
1988 char *cp;
1989 *ip->ap = 0;
1990 /* kludge to make CSIm work (== CSI0m) */
1991 if (ip->ap == ip->argbuf)
1992 ip->ap++;
1993 for (cp = ip->argbuf; cp < ip->ap; )
1994 {
1995 switch (*cp)
1996 {
1997 case 0:
1998 case '0':
1999 clr_attr (ip, ATTR_ALL);
2000 cp++;
2001 break;
2002
2003 case '1':
2004 set_attr (ip, ATTR_BOLD);
2005 cp++;
2006 break;
2007
2008 case '2':
2009 switch (cp[1])
2010 {
2011 case '2':
2012 clr_attr (ip, ATTR_BOLD);
2013 cp += 2;
2014 break;
2015
2016 case '4':
2017 clr_attr (ip, ATTR_UL);
2018 cp += 2;
2019 break;
2020
2021 case '5':
2022 clr_attr (ip, ATTR_BLINK);
2023 cp += 2;
2024 break;
2025
2026 case '7':
2027 clr_attr (ip, ATTR_INV);
2028 cp += 2;
2029 break;
2030
2031 default:
2032 cp++;
2033 break;
2034 }
2035 break;
2036
2037 case '4':
2038 set_attr (ip, ATTR_UL);
2039 cp++;
2040 break;
2041
2042 case '5':
2043 set_attr (ip, ATTR_BLINK);
2044 cp++;
2045 break;
2046
2047 case '7':
2048 set_attr (ip, ATTR_INV);
2049 cp++;
2050 break;
2051
2052 default:
2053 cp++;
2054 break;
2055 }
2056 }
2057
2058 }
2059 ip->escape = 0;
2060 return;
2061
2062
2063 case 'u':
2064 /* DECRQTSR */
2065 ite_sendstr ("\033P\033\\");
2066 ip->escape = 0;
2067 return;
2068
2069
2070
2071 default:
2072 ip->escape = 0;
2073 return;
2074 }
2075 break;
2076
2077
2078
2079 case '?': /* CSI ? */
2080 switch (c)
2081 {
2082 case '0': case '1': case '2': case '3': case '4':
2083 case '5': case '6': case '7': case '8': case '9':
2084 case ';': case '\"': case '$':
2085 /* Don't fill the last character; it's needed. */
2086 /* XXX yeah, where ?? */
2087 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2088 *ip->ap++ = c;
2089 return;
2090
2091
2092 case 'n':
2093 *ip->ap = 0;
2094 if (ip->ap == &ip->argbuf[2])
2095 {
2096 if (! strncmp (ip->argbuf, "15", 2))
2097 /* printer status: no printer */
2098 ite_sendstr ("\033[13n");
2099
2100 else if (! strncmp (ip->argbuf, "25", 2))
2101 /* udk status */
2102 ite_sendstr ("\033[20n");
2103
2104 else if (! strncmp (ip->argbuf, "26", 2))
2105 /* keyboard dialect: US */
2106 ite_sendstr ("\033[27;1n");
2107 }
2108 ip->escape = 0;
2109 return;
2110
2111
2112 case 'h': case 'l':
2113 n = ite_zargnum (ip);
2114 switch (n)
2115 {
2116 case 1:
2117 ip->cursor_appmode = (c == 'h');
2118 break;
2119
2120 case 3:
2121 /* 132/80 columns (132 == 'h') */
2122 break;
2123
2124 case 4: /* smooth scroll */
2125 break;
2126
2127 case 5:
2128 /* light background (=='h') /dark background(=='l') */
2129 break;
2130
2131 case 6: /* origin mode */
2132 ip->inside_margins = (c == 'h');
2133 ip->curx = 0;
2134 ip->cury = ip->inside_margins ? ip->top_margin : 0;
2135 SUBR_CURSOR(ip, MOVE_CURSOR);
2136 break;
2137
2138 case 7: /* auto wraparound */
2139 ip->auto_wrap = (c == 'h');
2140 break;
2141
2142 case 8: /* keyboard repeat */
2143 ip->key_repeat = (c == 'h');
2144 break;
2145
2146 case 20: /* newline mode */
2147 ip->linefeed_newline = (c == 'h');
2148 break;
2149
2150 case 25: /* cursor on/off */
2151 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
2152 break;
2153 }
2154 ip->escape = 0;
2155 return;
2156
2157 default:
2158 ip->escape = 0;
2159 return;
2160 }
2161 break;
2162
2163
2164 default:
2165 ip->escape = 0;
2166 return;
2167 }
2168 }
2169
2170 switch (c) {
2171
2172 case VT: /* VT is treated like LF */
2173 case FF: /* so is FF */
2174 case LF:
2175 /* cr->crlf distinction is done here, on output,
2176 not on input! */
2177 if (ip->linefeed_newline)
2178 ite_crlf (ip);
2179 else
2180 ite_lf (ip);
2181 break;
2182
2183 case CR:
2184 ite_cr (ip);
2185 break;
2186
2187 case BS:
2188 if (--ip->curx < 0)
2189 ip->curx = 0;
2190 else
2191 SUBR_CURSOR(ip, MOVE_CURSOR);
2192 break;
2193
2194 case HT:
2195 for (n = ip->curx + 1; n < ip->cols; n++) {
2196 if (ip->tabs[n]) {
2197 ip->curx = n;
2198 SUBR_CURSOR(ip, MOVE_CURSOR);
2199 break;
2200 }
2201 }
2202 break;
2203
2204 case BEL:
2205 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2206 kbdbell();
2207 break;
2208
2209 case SO:
2210 ip->GL = ip->G1;
2211 break;
2212
2213 case SI:
2214 ip->GL = ip->G0;
2215 break;
2216
2217 case ENQ:
2218 /* send answer-back message !! */
2219 break;
2220
2221 case CAN:
2222 ip->escape = 0; /* cancel any escape sequence in progress */
2223 break;
2224
2225 case SUB:
2226 ip->escape = 0; /* dito, but see below */
2227 /* should also display a reverse question mark!! */
2228 break;
2229
2230 case ESC:
2231 ip->escape = ESC;
2232 break;
2233
2234
2235 /* now it gets weird.. 8bit control sequences.. */
2236 case IND: /* index: move cursor down, scroll */
2237 ite_lf (ip);
2238 break;
2239
2240 case NEL: /* next line. next line, first pos. */
2241 ite_crlf (ip);
2242 break;
2243
2244 case HTS: /* set horizontal tab */
2245 if (ip->curx < ip->cols)
2246 ip->tabs[ip->curx] = 1;
2247 break;
2248
2249 case RI: /* reverse index */
2250 ite_rlf (ip);
2251 break;
2252
2253 case SS2: /* go into G2 for one character */
2254 /* not yet supported */
2255 break;
2256
2257 case SS3: /* go into G3 for one character */
2258 break;
2259
2260 case DCS: /* device control string introducer */
2261 ip->escape = DCS;
2262 ip->ap = ip->argbuf;
2263 break;
2264
2265 case CSI: /* control sequence introducer */
2266 ip->escape = CSI;
2267 ip->ap = ip->argbuf;
2268 break;
2269
2270 case ST: /* string terminator */
2271 /* ignore, if not used as terminator */
2272 break;
2273
2274 case OSC: /* introduces OS command. Ignore everything upto ST */
2275 ip->escape = OSC;
2276 break;
2277
2278 case PM: /* privacy message, ignore everything upto ST */
2279 ip->escape = PM;
2280 break;
2281
2282 case APC: /* application program command, ignore everything upto ST */
2283 ip->escape = APC;
2284 break;
2285
2286 default:
2287 if (c < ' ' || c == DEL)
2288 break;
2289 if (ip->imode)
2290 ite_inchar(ip, 1);
2291 iteprecheckwrap(ip);
2292 #ifdef DO_WEIRD_ATTRIBUTES
2293 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2294 attrset(ip, ATTR_INV);
2295 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2296 }
2297 else
2298 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2299 #else
2300 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2301 #endif
2302 SUBR_CURSOR(ip, DRAW_CURSOR);
2303 itecheckwrap(ip);
2304 break;
2305 }
2306 }
2307
2308 iteprecheckwrap(ip)
2309 struct ite_softc *ip;
2310 {
2311 if (ip->auto_wrap && ip->curx == ip->cols) {
2312 ip->curx = 0;
2313 clr_attr(ip, ATTR_INV);
2314 if (++ip->cury >= ip->bottom_margin + 1) {
2315 ip->cury = ip->bottom_margin;
2316 SUBR_CURSOR(ip, MOVE_CURSOR);
2317 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2318 ite_clrtoeol(ip);
2319 } else
2320 SUBR_CURSOR(ip, MOVE_CURSOR);
2321 }
2322 }
2323
2324 itecheckwrap(ip)
2325 struct ite_softc *ip;
2326 {
2327 if (ip->curx < ip->cols) {
2328 ip->curx++;
2329 SUBR_CURSOR(ip, MOVE_CURSOR);
2330 }
2331 }
2332