ite.c revision 1.18 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 1.18 1994/05/31 03:11:42 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 <sys/param.h>
50 #include <sys/kernel.h>
51 #include <sys/conf.h>
52 #include <sys/device.h>
53 #include <sys/malloc.h>
54 #include <sys/ioctl.h>
55 #include <sys/tty.h>
56 #include <sys/termios.h>
57 #include <sys/systm.h>
58 #include <sys/proc.h>
59 #include <dev/cons.h>
60 #include <amiga/amiga/kdassert.h>
61 #include <amiga/amiga/color.h> /* DEBUG */
62 #include <amiga/amiga/device.h>
63 #include <amiga/dev/iteioctl.h>
64 #include <amiga/dev/itevar.h>
65 #include <amiga/dev/kbdmap.h>
66 #include <amiga/dev/grfioctl.h>
67 #include <amiga/dev/grfvar.h>
68
69
70 /*
71 * XXX go ask sys/kern/tty.c:ttselect()
72 */
73 #include "grf.h"
74 struct tty *ite_tty[NGRF];
75
76 #define ITEUNIT(dev) (minor(dev))
77
78 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
79 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
80 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
81 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
82 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
83 #define SUBR_SCROLL(ip,sy,sx,count,dir) \
84 (ip)->grf->g_itescroll(ip,sy,sx,count,dir)
85
86 int nunits; /* number of units */
87
88 int start_repeat_timeo = 30; /* first repeat after x s/100 */
89 int next_repeat_timeo = 10; /* next repeat after x s/100 */
90
91 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
92
93 struct ite_softc con_itesoftc;
94 u_char cons_tabs[MAX_TABS];
95
96 struct ite_softc *kbd_ite;
97 int kbd_init;
98
99 static char *index __P((const char *, char));
100 static int inline atoi __P((const char *));
101 void iteputchar __P((int c, struct ite_softc *ip));
102 void ite_putstr __P((const char * s, int len, dev_t dev));
103 void iteattach __P((struct device *, struct device *, void *));
104 int itematch __P((struct device *, struct cfdata *, void *));
105
106 struct cfdriver itecd = {
107 NULL, "ite", itematch, iteattach, DV_DULL,
108 sizeof(struct ite_softc), NULL, 0 };
109
110 int
111 itematch(pdp, cdp, auxp)
112 struct device *pdp;
113 struct cfdata *cdp;
114 void *auxp;
115 {
116 if (((struct grf_softc *)auxp)->g_unit != cdp->cf_unit)
117 return(0);
118 return(1);
119 }
120
121 void
122 iteattach(pdp, dp, auxp)
123 struct device *pdp, *dp;
124 void *auxp;
125 {
126 extern int hz;
127 struct grf_softc *gp;
128 struct ite_softc *ip;
129 int maj, s;
130
131 gp = (struct grf_softc *)auxp;
132
133 /*
134 * find our major device number
135 */
136 for(maj = 0; maj < nchrdev; maj++)
137 if (cdevsw[maj].d_open == iteopen)
138 break;
139 gp->g_itedev = makedev(maj, gp->g_unit);
140 if (dp) {
141 ip = (struct ite_softc *)dp;
142
143 s = spltty();
144 if (con_itesoftc.grf == NULL ||
145 con_itesoftc.grf->g_unit != gp->g_unit) {
146 nunits++;
147 } else {
148 /*
149 * console reinit copy params over.
150 * and console always gets keyboard
151 */
152 bcopy(&con_itesoftc.grf, &ip->grf,
153 (char *)&ip[1] - (char *)&ip->grf);
154 con_itesoftc.grf = NULL;
155 kbd_ite = ip;
156 }
157 ip->grf = gp;
158 splx(s);
159
160 iteinit(gp->g_itedev);
161 printf(" rows %d cols %d", ip->rows, ip->cols);
162 printf(" repeat at (%d/100)s next at (%d/100)s\n",
163 start_repeat_timeo, next_repeat_timeo);
164
165 if (kbd_ite == NULL)
166 kbd_ite = ip;
167 if (kbd_ite == ip)
168 printf(" has keyboard");
169 printf("\n");
170 } else {
171 if (con_itesoftc.grf != NULL &&
172 con_itesoftc.grf->g_conpri > gp->g_conpri)
173 return;
174 /*
175 * always one until real attach time
176 */
177 nunits = 1;
178 con_itesoftc.grf = gp;
179 con_itesoftc.tabs = cons_tabs;
180 }
181 }
182
183 struct ite_softc *
184 getitesp(dev)
185 dev_t dev;
186 {
187 if (amiga_realconfig && con_itesoftc.grf == NULL)
188 return(itecd.cd_devs[ITEUNIT(dev)]);
189
190 if (con_itesoftc.grf == NULL)
191 panic("no ite_softc for console");
192 return(&con_itesoftc);
193 }
194
195 /*
196 * cons.c entry points into ite device.
197 */
198
199 /*
200 * Return a priority in consdev->cn_pri field highest wins. This function
201 * is called before any devices have been probed.
202 */
203 void
204 ite_cnprobe(cd)
205 struct consdev *cd;
206 {
207 /*
208 * bring graphics layer up.
209 */
210 config_console();
211
212 /*
213 * return priority of the best ite (already picked from attach)
214 * or CN_DEAD.
215 */
216 if (con_itesoftc.grf == NULL)
217 cd->cn_pri = CN_DEAD;
218 else {
219 cd->cn_pri = con_itesoftc.grf->g_conpri;
220 cd->cn_dev = con_itesoftc.grf->g_itedev;
221 }
222 }
223
224 void
225 ite_cninit(cd)
226 struct consdev *cd;
227 {
228 struct ite_softc *ip;
229
230 ip = getitesp(cd->cn_dev);
231 iteinit(cd->cn_dev);
232 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
233 }
234
235 /*
236 * ite_cnfinish() is called in ite_init() when the device is
237 * being probed in the normal fasion, thus we can finish setting
238 * up this ite now that the system is more functional.
239 */
240 void
241 ite_cnfinish(ip)
242 struct ite_softc *ip;
243 {
244 static int done;
245
246 if (done)
247 return;
248 done = 1;
249 }
250
251 int
252 ite_cngetc(dev)
253 dev_t dev;
254 {
255 int c;
256
257 /* XXX this should be moved */
258 if (!kbd_init) {
259 kbd_init = 1;
260 kbdenable();
261 }
262 do {
263 c = kbdgetcn();
264 c = ite_cnfilter(c, ITEFILT_CONSOLE);
265 } while (c == -1);
266 return (c);
267 }
268
269 void
270 ite_cnputc(dev, c)
271 dev_t dev;
272 int c;
273 {
274 static int paniced;
275 struct ite_softc *ip;
276 char ch;
277
278 ip = getitesp(dev);
279 ch = c;
280
281 if (panicstr && !paniced &&
282 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
283 (void)ite_on(dev, 3);
284 paniced = 1;
285 }
286 iteputchar(ch, ip);
287 }
288
289 /*
290 * standard entry points to the device.
291 */
292
293 /*
294 * iteinit() is the standard entry point for initialization of
295 * an ite device, it is also called from ite_cninit().
296 *
297 */
298 void
299 iteinit(dev)
300 dev_t dev;
301 {
302 struct ite_softc *ip;
303
304 ip = getitesp(dev);
305 if (ip->flags & ITE_INITED)
306 return;
307 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
308
309 ip->cursorx = 0;
310 ip->cursory = 0;
311 SUBR_INIT(ip);
312 SUBR_CURSOR(ip, DRAW_CURSOR);
313 if (ip->tabs == NULL)
314 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
315 ite_reset(ip);
316 ip->flags |= ITE_INITED;
317 }
318
319 int
320 iteopen(dev, mode, devtype, p)
321 dev_t dev;
322 int mode, devtype;
323 struct proc *p;
324 {
325 struct ite_softc *ip;
326 struct tty *tp;
327 int error, first, unit;
328
329 unit = ITEUNIT(dev);
330 first = 0;
331
332 if (unit >= nunits)
333 return (ENXIO);
334
335 ip = getitesp(dev);
336
337 if (ip->tp == NULL)
338 tp = ite_tty[unit] = ip->tp = ttymalloc();
339 else
340 tp = ip->tp;
341 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
342 && p->p_ucred->cr_uid != 0)
343 return (EBUSY);
344 if ((ip->flags & ITE_ACTIVE) == 0) {
345 error = ite_on(dev, 0);
346 if (error)
347 return (error);
348 first = 1;
349 }
350 tp->t_oproc = itestart;
351 tp->t_param = ite_param;
352 tp->t_dev = dev;
353 if ((tp->t_state & TS_ISOPEN) == 0) {
354 ttychars(tp);
355 tp->t_iflag = TTYDEF_IFLAG;
356 tp->t_oflag = TTYDEF_OFLAG;
357 tp->t_cflag = TTYDEF_CFLAG;
358 tp->t_lflag = TTYDEF_LFLAG;
359 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
360 tp->t_state = TS_WOPEN | TS_CARR_ON;
361 ttsetwater(tp);
362 }
363 error = (*linesw[tp->t_line].l_open) (dev, tp);
364 if (error == 0) {
365 tp->t_winsize.ws_row = ip->rows;
366 tp->t_winsize.ws_col = ip->cols;
367 if (!kbd_init) {
368 kbd_init = 1;
369 kbdenable();
370 }
371 } else if (first)
372 ite_off(dev, 0);
373 return (error);
374 }
375
376 int
377 iteclose(dev, flag, mode, p)
378 dev_t dev;
379 int flag, mode;
380 struct proc *p;
381 {
382 struct tty *tp;
383
384 tp = getitesp(dev)->tp;
385
386 KDASSERT(tp);
387 (*linesw[tp->t_line].l_close) (tp, flag);
388 ttyclose(tp);
389 ite_off(dev, 0);
390 return (0);
391 }
392
393 int
394 iteread(dev, uio, flag)
395 dev_t dev;
396 struct uio *uio;
397 int flag;
398 {
399 struct tty *tp;
400
401 tp = getitesp(dev)->tp;
402
403 KDASSERT(tp);
404 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
405 }
406
407 int
408 itewrite(dev, uio, flag)
409 dev_t dev;
410 struct uio *uio;
411 int flag;
412 {
413 struct tty *tp;
414
415 tp = getitesp(dev)->tp;
416
417 KDASSERT(tp);
418 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
419 }
420
421 int
422 iteioctl(dev, cmd, addr, flag, p)
423 dev_t dev;
424 int cmd, flag;
425 caddr_t addr;
426 struct proc *p;
427 {
428 struct iterepeat *irp;
429 struct ite_softc *ip;
430 struct tty *tp;
431 int error;
432
433 ip = getitesp(dev);
434 tp = ip->tp;
435
436 KDASSERT(tp);
437
438 error = (*linesw[tp->t_line].l_ioctl) (tp, cmd, addr, flag, p);
439 if (error >= 0)
440 return (error);
441 error = ttioctl(tp, cmd, addr, flag, p);
442 if (error >= 0)
443 return (error);
444
445 switch (cmd) {
446 case ITEIOCSKMAP:
447 if (addr == 0)
448 return(EFAULT);
449 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
450 return(0);
451 case ITEIOCGKMAP:
452 if (addr == NULL)
453 return(EFAULT);
454 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
455 return(0);
456 case ITEIOCGREPT:
457 irp = (struct iterepeat *)addr;
458 irp->start = start_repeat_timeo;
459 irp->next = next_repeat_timeo;
460 case ITEIOCSREPT:
461 irp = (struct iterepeat *)addr;
462 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
463 return(EINVAL);
464 start_repeat_timeo = irp->start;
465 next_repeat_timeo = irp->next;
466 return(0);
467 }
468 /* XXX */
469 if (minor(dev) == 0) {
470 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
471 if (error >= 0)
472 return (error);
473 }
474 return (ENOTTY);
475 }
476
477 void
478 itestart(tp)
479 struct tty *tp;
480 {
481 struct clist *rbp;
482 struct ite_softc *ip;
483 u_char buf[ITEBURST];
484 int s, len, n;
485
486 ip = getitesp(tp->t_dev);
487
488 KDASSERT(tp);
489
490 s = spltty(); {
491 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
492 goto out;
493
494 tp->t_state |= TS_BUSY;
495 rbp = &tp->t_outq;
496
497 len = q_to_b(rbp, buf, ITEBURST);
498 } splx(s);
499
500 /* Here is a really good place to implement pre/jumpscroll() */
501 ite_putstr(buf, len, tp->t_dev);
502
503 s = spltty(); {
504 tp->t_state &= ~TS_BUSY;
505 /* we have characters remaining. */
506 if (rbp->c_cc) {
507 tp->t_state |= TS_TIMEOUT;
508 timeout(ttrstrt, tp, 1);
509 }
510 /* wakeup we are below */
511 if (rbp->c_cc <= tp->t_lowat) {
512 if (tp->t_state & TS_ASLEEP) {
513 tp->t_state &= ~TS_ASLEEP;
514 wakeup((caddr_t) rbp);
515 }
516 selwakeup(&tp->t_wsel);
517 }
518 out:
519 } splx(s);
520 }
521
522 int
523 ite_on(dev, flag)
524 dev_t dev;
525 int flag;
526 {
527 struct ite_softc *ip;
528 int unit;
529
530 unit = ITEUNIT(dev);
531 if (unit < 0 || unit >= nunits)
532 return (ENXIO);
533
534 ip = getitesp(dev);
535
536 /* force ite active, overriding graphics mode */
537 if (flag & 1) {
538 ip->flags |= ITE_ACTIVE;
539 ip->flags &= ~(ITE_INGRF | ITE_INITED);
540 }
541 /* leave graphics mode */
542 if (flag & 2) {
543 ip->flags &= ~ITE_INGRF;
544 if ((ip->flags & ITE_ACTIVE) == 0)
545 return (0);
546 }
547 ip->flags |= ITE_ACTIVE;
548 if (ip->flags & ITE_INGRF)
549 return (0);
550 iteinit(dev);
551 return (0);
552 }
553
554 int
555 ite_off(dev, flag)
556 dev_t dev;
557 int flag;
558 {
559 struct ite_softc *ip;
560
561 ip = getitesp(dev);
562 if (flag & 2)
563 ip->flags |= ITE_INGRF;
564 if ((ip->flags & ITE_ACTIVE) == 0)
565 return;
566 if ((flag & 1) ||
567 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
568 SUBR_DEINIT(ip);
569 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
570 ip->flags &= ~ITE_ACTIVE;
571 }
572
573 /* XXX called after changes made in underlying grf layer. */
574 /* I want to nuke this */
575 void
576 ite_reinit(dev)
577 dev_t dev;
578 {
579 struct ite_softc *ip;
580
581 ip = getitesp(dev);
582 ip->flags &= ~ITE_INITED;
583 iteinit(dev);
584 }
585
586 int
587 ite_param(tp, t)
588 struct tty *tp;
589 struct termios *t;
590 {
591 tp->t_ispeed = t->c_ispeed;
592 tp->t_ospeed = t->c_ospeed;
593 tp->t_cflag = t->c_cflag;
594 return (0);
595 }
596
597 void
598 ite_reset(ip)
599 struct ite_softc *ip;
600 {
601 int i;
602
603 ip->curx = 0;
604 ip->cury = 0;
605 ip->attribute = ATTR_NOR;
606 ip->save_curx = 0;
607 ip->save_cury = 0;
608 ip->save_attribute = ATTR_NOR;
609 ip->ap = ip->argbuf;
610 ip->emul_level = 0;
611 ip->eightbit_C1 = 0;
612 ip->top_margin = 0;
613 ip->bottom_margin = ip->rows - 1;
614 ip->inside_margins = 0;
615 ip->linefeed_newline = 0;
616 ip->auto_wrap = ite_default_wrap;
617 ip->cursor_appmode = 0;
618 ip->keypad_appmode = 0;
619 ip->imode = 0;
620 ip->key_repeat = 1;
621 bzero(ip->tabs, ip->cols);
622 for (i = 0; i < ip->cols; i++)
623 ip->tabs[i] = ((i & 7) == 0);
624 }
625
626 /*
627 * has to be global becuase of the shared filters.
628 */
629 static u_char key_mod;
630 static u_char last_dead;
631
632 /* Used in console at startup only */
633 int
634 ite_cnfilter(c, caller)
635 u_char c;
636 enum caller caller;
637 {
638 struct key key;
639 u_char code, up, mask;
640 int s, i;
641
642 up = c & 0x80 ? 1 : 0;
643 c &= 0x7f;
644 code = 0;
645
646 s = spltty();
647
648 i = (int)c - KBD_LEFT_SHIFT;
649 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
650 mask = 1 << i;
651 if (up)
652 key_mod &= ~mask;
653 else
654 key_mod |= mask;
655 splx(s);
656 return -1;
657 }
658
659 if (up) {
660 splx(s);
661 return -1;
662 }
663
664 /* translate modifiers */
665 if (key_mod & KBD_MOD_SHIFT) {
666 if (key_mod & KBD_MOD_ALT)
667 key = kbdmap.alt_shift_keys[c];
668 else
669 key = kbdmap.shift_keys[c];
670 } else if (key_mod & KBD_MOD_ALT)
671 key = kbdmap.alt_keys[c];
672 else {
673 key = kbdmap.keys[c];
674 /* if CAPS and key is CAPable (no pun intended) */
675 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
676 key = kbdmap.shift_keys[c];
677 }
678 code = key.code;
679
680 /* if string return */
681 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
682 splx(s);
683 return -1;
684 }
685 /* handle dead keys */
686 if (key.mode & KBD_MODE_DEAD) {
687 /* if entered twice, send accent itself */
688 if (last_dead == key.mode & KBD_MODE_ACCMASK)
689 last_dead = 0;
690 else {
691 last_dead = key.mode & KBD_MODE_ACCMASK;
692 splx(s);
693 return -1;
694 }
695 }
696 if (last_dead) {
697 /* can't apply dead flag to string-keys */
698 if (code >= '@' && code < 0x7f)
699 code =
700 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
701 last_dead = 0;
702 }
703 if (key_mod & KBD_MOD_CTRL)
704 code &= 0x1f;
705 if (key_mod & KBD_MOD_META)
706 code |= 0x80;
707
708 /* do console mapping. */
709 code = code == '\r' ? '\n' : code;
710
711 splx(s);
712 return (code);
713 }
714
715 /* And now the old stuff. */
716
717 /* these are used to implement repeating keys.. */
718 static u_char last_char;
719 static u_char tout_pending;
720
721 /*ARGSUSED*/
722 static void
723 repeat_handler(arg)
724 void *arg;
725 {
726 tout_pending = 0;
727 if (last_char)
728 add_sicallback(ite_filter, last_char, ITEFILT_REPEATER);
729 }
730
731 void
732 ite_filter(c, caller)
733 u_char c;
734 enum caller caller;
735 {
736 struct tty *kbd_tty;
737 u_char code, *str, up, mask;
738 struct key key;
739 int s, i;
740
741 if (kbd_ite == NULL)
742 return;
743
744 kbd_tty = kbd_ite->tp;
745
746 /* have to make sure we're at spltty in here */
747 s = spltty();
748
749 /*
750 * keyboard interrupts come at priority 2, while softint
751 * generated keyboard-repeat interrupts come at level 1. So,
752 * to not allow a key-up event to get thru before a repeat for
753 * the key-down, we remove any outstanding callout requests..
754 */
755 rem_sicallback(ite_filter);
756
757 up = c & 0x80 ? 1 : 0;
758 c &= 0x7f;
759 code = 0;
760
761 i = (int)c - KBD_LEFT_SHIFT;
762 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
763 mask = 1 << i;
764 if (up)
765 key_mod &= ~mask;
766 else
767 key_mod |= mask;
768 splx(s);
769 return;
770 }
771 /* stop repeating on up event */
772 if (up) {
773 if (tout_pending) {
774 untimeout(repeat_handler, 0);
775 tout_pending = 0;
776 last_char = 0;
777 }
778 splx(s);
779 return;
780 } else if (tout_pending && last_char != c) {
781 /* different character, stop also */
782 untimeout(repeat_handler, 0);
783 tout_pending = 0;
784 last_char = 0;
785 }
786 /* Safety button, switch back to ascii keymap. */
787 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
788 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
789
790 splx(s);
791 return;
792 #ifdef DDB
793 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
794 extern int Debugger();
795 Debugger();
796 splx(s);
797 return;
798 #endif
799 }
800 /* translate modifiers */
801 if (key_mod & KBD_MOD_SHIFT) {
802 if (key_mod & KBD_MOD_ALT)
803 key = kbdmap.alt_shift_keys[c];
804 else
805 key = kbdmap.shift_keys[c];
806 } else if (key_mod & KBD_MOD_ALT)
807 key = kbdmap.alt_keys[c];
808 else {
809 key = kbdmap.keys[c];
810 /* if CAPS and key is CAPable (no pun intended) */
811 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
812 key = kbdmap.shift_keys[c];
813 }
814 code = key.code;
815
816 /*
817 * arrange to repeat the keystroke. By doing this at the level
818 * of scan-codes, we can have function keys, and keys that
819 * send strings, repeat too. This also entitles an additional
820 * overhead, since we have to do the conversion each time, but
821 * I guess that's ok.
822 */
823 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
824 tout_pending = 1;
825 last_char = c;
826 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100);
827 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
828 kbd_ite->key_repeat) {
829 tout_pending = 1;
830 last_char = c;
831 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100);
832 }
833 /* handle dead keys */
834 if (key.mode & KBD_MODE_DEAD) {
835 /* if entered twice, send accent itself */
836 if (last_dead == key.mode & KBD_MODE_ACCMASK)
837 last_dead = 0;
838 else {
839 last_dead = key.mode & KBD_MODE_ACCMASK;
840 splx(s);
841 return;
842 }
843 }
844 if (last_dead) {
845 /* can't apply dead flag to string-keys */
846 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
847 code < 0x7f)
848 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
849 last_dead = 0;
850 }
851 /* if not string, apply META and CTRL modifiers */
852 if (!(key.mode & KBD_MODE_STRING)
853 && (!(key.mode & KBD_MODE_KPAD) ||
854 (kbd_ite && !kbd_ite->keypad_appmode))) {
855 if (key_mod & KBD_MOD_CTRL)
856 code &= 0x1f;
857 if (key_mod & KBD_MOD_META)
858 code |= 0x80;
859 } else if ((key.mode & KBD_MODE_KPAD) &&
860 (kbd_ite && kbd_ite->keypad_appmode)) {
861 static char *in = "0123456789-+.\r()/*";
862 static char *out = "pqrstuvwxymlnMPQRS";
863 char *cp;
864
865 /*
866 * keypad-appmode sends SS3 followed by the above
867 * translated character
868 */
869 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
870 (*linesw[kbd_tty->t_line].l_rint) ('0', kbd_tty);
871 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
872 splx(s);
873 return;
874 } else {
875 /* *NO* I don't like this.... */
876 static u_char app_cursor[] =
877 {
878 3, 27, 'O', 'A',
879 3, 27, 'O', 'B',
880 3, 27, 'O', 'C',
881 3, 27, 'O', 'D'};
882
883 str = kbdmap.strings + code;
884 /*
885 * if this is a cursor key, AND it has the default
886 * keymap setting, AND we're in app-cursor mode, switch
887 * to the above table. This is *nasty* !
888 */
889 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
890 && !bcmp(str, "\x03\x1b[", 3) &&
891 index("ABCD", str[3]))
892 str = app_cursor + 4 * (str[3] - 'A');
893
894 /*
895 * using a length-byte instead of 0-termination allows
896 * to embed \0 into strings, although this is not used
897 * in the default keymap
898 */
899 for (i = *str++; i; i--)
900 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
901 splx(s);
902 return;
903 }
904 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
905
906 splx(s);
907 return;
908 }
909
910 /* helper functions, makes the code below more readable */
911 static void inline
912 ite_sendstr(str)
913 char *str;
914 {
915 struct tty *kbd_tty;
916
917 kbd_tty = kbd_ite->tp;
918 KDASSERT(kbd_tty);
919 while (*str)
920 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
921 }
922
923 static void
924 alignment_display(ip)
925 struct ite_softc *ip;
926 {
927 int i, j;
928
929 for (j = 0; j < ip->rows; j++)
930 for (i = 0; i < ip->cols; i++)
931 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
932 attrclr(ip, 0, 0, ip->rows, ip->cols);
933 SUBR_CURSOR(ip, DRAW_CURSOR);
934 }
935
936 static void inline
937 snap_cury(ip)
938 struct ite_softc *ip;
939 {
940 if (ip->inside_margins)
941 {
942 if (ip->cury < ip->top_margin)
943 ip->cury = ip->top_margin;
944 if (ip->cury > ip->bottom_margin)
945 ip->cury = ip->bottom_margin;
946 }
947 }
948
949 static void inline
950 ite_dnchar(ip, n)
951 struct ite_softc *ip;
952 int n;
953 {
954 n = min(n, ip->cols - ip->curx);
955 if (n < ip->cols - ip->curx)
956 {
957 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
958 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
959 1, ip->cols - ip->curx - n);
960 attrclr(ip, ip->cury, ip->cols - n, 1, n);
961 }
962 while (n-- > 0)
963 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
964 SUBR_CURSOR(ip, DRAW_CURSOR);
965 }
966
967 static void inline
968 ite_inchar(ip, n)
969 struct ite_softc *ip;
970 int n;
971 {
972 n = min(n, ip->cols - ip->curx);
973 if (n < ip->cols - ip->curx)
974 {
975 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
976 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
977 1, ip->cols - ip->curx - n);
978 attrclr(ip, ip->cury, ip->curx, 1, n);
979 }
980 while (n--)
981 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
982 SUBR_CURSOR(ip, DRAW_CURSOR);
983 }
984
985 static void inline
986 ite_clrtoeol(ip)
987 struct ite_softc *ip;
988 {
989 int y = ip->cury, x = ip->curx;
990 if (ip->cols - x > 0)
991 {
992 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
993 attrclr(ip, y, x, 1, ip->cols - x);
994 SUBR_CURSOR(ip, DRAW_CURSOR);
995 }
996 }
997
998 static void inline
999 ite_clrtobol(ip)
1000 struct ite_softc *ip;
1001 {
1002 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1003 SUBR_CLEAR(ip, y, 0, 1, x);
1004 attrclr(ip, y, 0, 1, x);
1005 SUBR_CURSOR(ip, DRAW_CURSOR);
1006 }
1007
1008 static void inline
1009 ite_clrline(ip)
1010 struct ite_softc *ip;
1011 {
1012 int y = ip->cury;
1013 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1014 attrclr(ip, y, 0, 1, ip->cols);
1015 SUBR_CURSOR(ip, DRAW_CURSOR);
1016 }
1017
1018
1019
1020 static void inline
1021 ite_clrtoeos(ip)
1022 struct ite_softc *ip;
1023 {
1024 ite_clrtoeol(ip);
1025 if (ip->cury < ip->rows - 1)
1026 {
1027 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1028 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1029 SUBR_CURSOR(ip, DRAW_CURSOR);
1030 }
1031 }
1032
1033 static void inline
1034 ite_clrtobos(ip)
1035 struct ite_softc *ip;
1036 {
1037 ite_clrtobol(ip);
1038 if (ip->cury > 0)
1039 {
1040 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1041 attrclr(ip, 0, 0, ip->cury, ip->cols);
1042 SUBR_CURSOR(ip, DRAW_CURSOR);
1043 }
1044 }
1045
1046 static void inline
1047 ite_clrscreen(ip)
1048 struct ite_softc *ip;
1049 {
1050 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1051 attrclr(ip, 0, 0, ip->rows, ip->cols);
1052 SUBR_CURSOR(ip, DRAW_CURSOR);
1053 }
1054
1055
1056
1057 static void inline
1058 ite_dnline(ip, n)
1059 struct ite_softc *ip;
1060 int n;
1061 {
1062 /* interesting.. if the cursor is outside the scrolling
1063 region, this command is simply ignored.. */
1064 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1065 return;
1066
1067 n = min(n, ip->bottom_margin + 1 - ip->cury);
1068 if (n <= ip->bottom_margin - ip->cury)
1069 {
1070 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1071 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1072 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1073 }
1074 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1075 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1076 SUBR_CURSOR(ip, DRAW_CURSOR);
1077 }
1078
1079 static void inline
1080 ite_inline(ip, n)
1081 struct ite_softc *ip;
1082 int n;
1083 {
1084 /* interesting.. if the cursor is outside the scrolling
1085 region, this command is simply ignored.. */
1086 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1087 return;
1088
1089 n = min(n, ip->bottom_margin + 1 - ip->cury);
1090 if (n <= ip->bottom_margin - ip->cury)
1091 {
1092 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1093 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1094 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1095 }
1096 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1097 attrclr(ip, ip->cury, 0, n, ip->cols);
1098 SUBR_CURSOR(ip, DRAW_CURSOR);
1099 }
1100
1101 static void inline
1102 ite_lf (ip)
1103 struct ite_softc *ip;
1104 {
1105 ++ip->cury;
1106 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1107 {
1108 ip->cury--;
1109 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1110 ite_clrline(ip);
1111 }
1112 SUBR_CURSOR(ip, MOVE_CURSOR);
1113 clr_attr(ip, ATTR_INV);
1114 }
1115
1116 static void inline
1117 ite_crlf (ip)
1118 struct ite_softc *ip;
1119 {
1120 ip->curx = 0;
1121 ite_lf (ip);
1122 }
1123
1124 static void inline
1125 ite_cr (ip)
1126 struct ite_softc *ip;
1127 {
1128 if (ip->curx)
1129 {
1130 ip->curx = 0;
1131 SUBR_CURSOR(ip, MOVE_CURSOR);
1132 }
1133 }
1134
1135 static void inline
1136 ite_rlf (ip)
1137 struct ite_softc *ip;
1138 {
1139 ip->cury--;
1140 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1141 {
1142 ip->cury++;
1143 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1144 ite_clrline(ip);
1145 }
1146 SUBR_CURSOR(ip, MOVE_CURSOR);
1147 clr_attr(ip, ATTR_INV);
1148 }
1149
1150 static int inline
1151 atoi (cp)
1152 const char *cp;
1153 {
1154 int n;
1155
1156 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1157 n = n * 10 + *cp - '0';
1158
1159 return n;
1160 }
1161
1162 static char *
1163 index (cp, ch)
1164 const char *cp;
1165 char ch;
1166 {
1167 while (*cp && *cp != ch) cp++;
1168 return *cp ? (char *) cp : 0;
1169 }
1170
1171
1172
1173 static int inline
1174 ite_argnum (ip)
1175 struct ite_softc *ip;
1176 {
1177 char ch;
1178 int n;
1179
1180 /* convert argument string into number */
1181 if (ip->ap == ip->argbuf)
1182 return 1;
1183 ch = *ip->ap;
1184 *ip->ap = 0;
1185 n = atoi (ip->argbuf);
1186 *ip->ap = ch;
1187
1188 return n;
1189 }
1190
1191 static int inline
1192 ite_zargnum (ip)
1193 struct ite_softc *ip;
1194 {
1195 char ch, *cp;
1196 int n;
1197
1198 /* convert argument string into number */
1199 if (ip->ap == ip->argbuf)
1200 return 0;
1201 ch = *ip->ap;
1202 *ip->ap = 0;
1203 n = atoi (ip->argbuf);
1204 *ip->ap = ch;
1205
1206 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1207 }
1208
1209 static int inline
1210 strncmp (a, b, l)
1211 const char *a, *b;
1212 int l;
1213 {
1214 for (;l--; a++, b++)
1215 if (*a != *b)
1216 return *a - *b;
1217 return 0;
1218 }
1219
1220 void
1221 ite_putstr(s, len, dev)
1222 const char *s;
1223 int len;
1224 dev_t dev;
1225 {
1226 struct ite_softc *ip;
1227 int i;
1228
1229 ip = getitesp(dev);
1230
1231 /* XXX avoid problems */
1232 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1233 return;
1234
1235 SUBR_CURSOR(ip, START_CURSOROPT);
1236 for (i = 0; i < len; i++)
1237 if (s[i])
1238 iteputchar(s[i], ip);
1239 SUBR_CURSOR(ip, END_CURSOROPT);
1240 }
1241
1242
1243 void
1244 iteputchar(c, ip)
1245 register int c;
1246 struct ite_softc *ip;
1247 {
1248 struct tty *kbd_tty;
1249 int n, x, y;
1250 char *cp;
1251
1252 if (kbd_ite == NULL)
1253 kbd_tty = NULL;
1254 else
1255 kbd_tty = kbd_ite->tp;
1256
1257 if (ip->escape)
1258 {
1259 doesc:
1260 switch (ip->escape)
1261 {
1262 case ESC:
1263 switch (c)
1264 {
1265 /* first 7bit equivalents for the 8bit control characters */
1266
1267 case 'D':
1268 c = IND;
1269 ip->escape = 0;
1270 break; /* and fall into the next switch below (same for all `break') */
1271
1272 case 'E':
1273 c = NEL;
1274 ip->escape = 0;
1275 break;
1276
1277 case 'H':
1278 c = HTS;
1279 ip->escape = 0;
1280 break;
1281
1282 case 'M':
1283 c = RI;
1284 ip->escape = 0;
1285 break;
1286
1287 case 'N':
1288 c = SS2;
1289 ip->escape = 0;
1290 break;
1291
1292 case 'O':
1293 c = SS3;
1294 ip->escape = 0;
1295 break;
1296
1297 case 'P':
1298 c = DCS;
1299 ip->escape = 0;
1300 break;
1301
1302 case '[':
1303 c = CSI;
1304 ip->escape = 0;
1305 break;
1306
1307 case '\\':
1308 c = ST;
1309 ip->escape = 0;
1310 break;
1311
1312 case ']':
1313 c = OSC;
1314 ip->escape = 0;
1315 break;
1316
1317 case '^':
1318 c = PM;
1319 ip->escape = 0;
1320 break;
1321
1322 case '_':
1323 c = APC;
1324 ip->escape = 0;
1325 break;
1326
1327
1328 /* introduces 7/8bit control */
1329 case ' ':
1330 /* can be followed by either F or G */
1331 ip->escape = ' ';
1332 break;
1333
1334
1335 /* a lot of character set selections, not yet used...
1336 94-character sets: */
1337 case '(': /* G0 */
1338 case ')': /* G1 */
1339 ip->escape = c;
1340 return;
1341
1342 case '*': /* G2 */
1343 case '+': /* G3 */
1344 case 'B': /* ASCII */
1345 case 'A': /* ISO latin 1 */
1346 case '<': /* user preferred suplemental */
1347 case '0': /* dec special graphics */
1348
1349 /* 96-character sets: */
1350 case '-': /* G1 */
1351 case '.': /* G2 */
1352 case '/': /* G3 */
1353
1354 /* national character sets: */
1355 case '4': /* dutch */
1356 case '5':
1357 case 'C': /* finnish */
1358 case 'R': /* french */
1359 case 'Q': /* french canadian */
1360 case 'K': /* german */
1361 case 'Y': /* italian */
1362 case '6': /* norwegian/danish */
1363 /* note: %5 and %6 are not supported (two chars..) */
1364
1365 ip->escape = 0;
1366 /* just ignore for now */
1367 return;
1368
1369
1370 /* locking shift modes (as you might guess, not yet supported..) */
1371 case '`':
1372 ip->GR = ip->G1;
1373 ip->escape = 0;
1374 return;
1375
1376 case 'n':
1377 ip->GL = ip->G2;
1378 ip->escape = 0;
1379 return;
1380
1381 case '}':
1382 ip->GR = ip->G2;
1383 ip->escape = 0;
1384 return;
1385
1386 case 'o':
1387 ip->GL = ip->G3;
1388 ip->escape = 0;
1389 return;
1390
1391 case '|':
1392 ip->GR = ip->G3;
1393 ip->escape = 0;
1394 return;
1395
1396
1397 /* font width/height control */
1398 case '#':
1399 ip->escape = '#';
1400 return;
1401
1402
1403 /* hard terminal reset .. */
1404 case 'c':
1405 ite_reset (ip);
1406 SUBR_CURSOR(ip, MOVE_CURSOR);
1407 ip->escape = 0;
1408 return;
1409
1410
1411 case '7':
1412 ip->save_curx = ip->curx;
1413 ip->save_cury = ip->cury;
1414 ip->save_attribute = ip->attribute;
1415 ip->escape = 0;
1416 return;
1417
1418 case '8':
1419 ip->curx = ip->save_curx;
1420 ip->cury = ip->save_cury;
1421 ip->attribute = ip->save_attribute;
1422 SUBR_CURSOR(ip, MOVE_CURSOR);
1423 ip->escape = 0;
1424 return;
1425
1426 case '=':
1427 ip->keypad_appmode = 1;
1428 ip->escape = 0;
1429 return;
1430
1431 case '>':
1432 ip->keypad_appmode = 0;
1433 ip->escape = 0;
1434 return;
1435
1436 case 'Z': /* request ID */
1437 if (ip->emul_level == EMUL_VT100)
1438 ite_sendstr (ip, "\033[61;0c"); /* XXX not clean */
1439 else
1440 ite_sendstr (ip, "\033[63;0c"); /* XXX not clean */
1441 ip->escape = 0;
1442 return;
1443
1444 /* default catch all for not recognized ESC sequences */
1445 default:
1446 ip->escape = 0;
1447 return;
1448 }
1449 break;
1450
1451
1452 case '(':
1453 case ')':
1454 ip->escape = 0;
1455 return;
1456
1457
1458 case ' ':
1459 switch (c)
1460 {
1461 case 'F':
1462 ip->eightbit_C1 = 0;
1463 ip->escape = 0;
1464 return;
1465
1466 case 'G':
1467 ip->eightbit_C1 = 1;
1468 ip->escape = 0;
1469 return;
1470
1471 default:
1472 /* not supported */
1473 ip->escape = 0;
1474 return;
1475 }
1476 break;
1477
1478
1479 case '#':
1480 switch (c)
1481 {
1482 case '5':
1483 /* single height, single width */
1484 ip->escape = 0;
1485 return;
1486
1487 case '6':
1488 /* double width, single height */
1489 ip->escape = 0;
1490 return;
1491
1492 case '3':
1493 /* top half */
1494 ip->escape = 0;
1495 return;
1496
1497 case '4':
1498 /* bottom half */
1499 ip->escape = 0;
1500 return;
1501
1502 case '8':
1503 /* screen alignment pattern... */
1504 alignment_display (ip);
1505 ip->escape = 0;
1506 return;
1507
1508 default:
1509 ip->escape = 0;
1510 return;
1511 }
1512 break;
1513
1514
1515
1516 case CSI:
1517 /* the biggie... */
1518 switch (c)
1519 {
1520 case '0': case '1': case '2': case '3': case '4':
1521 case '5': case '6': case '7': case '8': case '9':
1522 case ';': case '\"': case '$': case '>':
1523 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1524 *ip->ap++ = c;
1525 return;
1526
1527 case BS:
1528 /* you wouldn't believe such perversion is possible?
1529 it is.. BS is allowed in between cursor sequences
1530 (at least), according to vttest.. */
1531 if (--ip->curx < 0)
1532 ip->curx = 0;
1533 else
1534 SUBR_CURSOR(ip, MOVE_CURSOR);
1535 break;
1536
1537 case 'p':
1538 *ip->ap = 0;
1539 if (! strncmp (ip->argbuf, "61\"", 3))
1540 ip->emul_level = EMUL_VT100;
1541 else if (! strncmp (ip->argbuf, "63;1\"", 5)
1542 || ! strncmp (ip->argbuf, "62;1\"", 5))
1543 ip->emul_level = EMUL_VT300_7;
1544 else
1545 ip->emul_level = EMUL_VT300_8;
1546 ip->escape = 0;
1547 return;
1548
1549
1550 case '?':
1551 *ip->ap = 0;
1552 ip->escape = '?';
1553 ip->ap = ip->argbuf;
1554 return;
1555
1556
1557 case 'c':
1558 *ip->ap = 0;
1559 if (ip->argbuf[0] == '>')
1560 {
1561 ite_sendstr (ip, "\033[>24;0;0;0c");
1562 }
1563 else switch (ite_zargnum(ip))
1564 {
1565 case 0:
1566 /* primary DA request, send primary DA response */
1567 if (ip->emul_level == EMUL_VT100)
1568 ite_sendstr (ip, "\033[?1;1c");
1569 else
1570 ite_sendstr (ip, "\033[63;0c");
1571 break;
1572 }
1573 ip->escape = 0;
1574 return;
1575
1576 case 'n':
1577 switch (ite_zargnum(ip))
1578 {
1579 case 5:
1580 ite_sendstr (ip, "\033[0n"); /* no malfunction */
1581 break;
1582 case 6:
1583 /* cursor position report */
1584 sprintf (ip->argbuf, "\033[%d;%dR",
1585 ip->cury + 1, ip->curx + 1);
1586 ite_sendstr (ip, ip->argbuf);
1587 break;
1588 }
1589 ip->escape = 0;
1590 return;
1591
1592
1593 case 'x':
1594 switch (ite_zargnum(ip))
1595 {
1596 case 0:
1597 /* Fake some terminal parameters. */
1598 ite_sendstr (ip, "\033[2;1;1;112;112;1;0x");
1599 break;
1600 case 1:
1601 ite_sendstr (ip, "\033[3;1;1;112;112;1;0x");
1602 break;
1603 }
1604 ip->escape = 0;
1605 return;
1606
1607
1608 case 'g':
1609 switch (ite_zargnum(ip))
1610 {
1611 case 0:
1612 if (ip->curx < ip->cols)
1613 ip->tabs[ip->curx] = 0;
1614 break;
1615 case 3:
1616 for (n = 0; n < ip->cols; n++)
1617 ip->tabs[n] = 0;
1618 break;
1619 }
1620 ip->escape = 0;
1621 return;
1622
1623
1624 case 'h': case 'l':
1625 n = ite_zargnum (ip);
1626 switch (n)
1627 {
1628 case 4:
1629 ip->imode = (c == 'h'); /* insert/replace mode */
1630 break;
1631 case 20:
1632 ip->linefeed_newline = (c == 'h');
1633 break;
1634 }
1635 ip->escape = 0;
1636 return;
1637
1638
1639 case 'M':
1640 ite_dnline (ip, ite_argnum (ip));
1641 ip->escape = 0;
1642 return;
1643
1644
1645 case 'L':
1646 ite_inline (ip, ite_argnum (ip));
1647 ip->escape = 0;
1648 return;
1649
1650
1651 case 'P':
1652 ite_dnchar (ip, ite_argnum (ip));
1653 ip->escape = 0;
1654 return;
1655
1656
1657 case '@':
1658 ite_inchar (ip, ite_argnum (ip));
1659 ip->escape = 0;
1660 return;
1661
1662
1663 case 'G':
1664 /* this one was *not* in my vt320 manual but in
1665 a vt320 termcap entry.. who is right?
1666 It's supposed to set the horizontal cursor position. */
1667 *ip->ap = 0;
1668 x = atoi (ip->argbuf);
1669 if (x) x--;
1670 ip->curx = min(x, ip->cols - 1);
1671 ip->escape = 0;
1672 SUBR_CURSOR(ip, MOVE_CURSOR);
1673 clr_attr (ip, ATTR_INV);
1674 return;
1675
1676
1677 case 'd':
1678 /* same thing here, this one's for setting the absolute
1679 vertical cursor position. Not documented... */
1680 *ip->ap = 0;
1681 y = atoi (ip->argbuf);
1682 if (y) y--;
1683 if (ip->inside_margins)
1684 y += ip->top_margin;
1685 ip->cury = min(y, ip->rows - 1);
1686 ip->escape = 0;
1687 snap_cury(ip);
1688 SUBR_CURSOR(ip, MOVE_CURSOR);
1689 clr_attr (ip, ATTR_INV);
1690 return;
1691
1692
1693 case 'H':
1694 case 'f':
1695 *ip->ap = 0;
1696 y = atoi (ip->argbuf);
1697 x = 0;
1698 cp = index (ip->argbuf, ';');
1699 if (cp)
1700 x = atoi (cp + 1);
1701 if (x) x--;
1702 if (y) y--;
1703 if (ip->inside_margins)
1704 y += ip->top_margin;
1705 ip->cury = min(y, ip->rows - 1);
1706 ip->curx = min(x, ip->cols - 1);
1707 ip->escape = 0;
1708 snap_cury(ip);
1709 SUBR_CURSOR(ip, MOVE_CURSOR);
1710 clr_attr (ip, ATTR_INV);
1711 return;
1712
1713 case 'A':
1714 n = ite_argnum (ip);
1715 n = ip->cury - (n ? n : 1);
1716 if (n < 0) n = 0;
1717 if (ip->inside_margins)
1718 n = max(ip->top_margin, n);
1719 else if (n == ip->top_margin - 1)
1720 /* allow scrolling outside region, but don't scroll out
1721 of active region without explicit CUP */
1722 n = ip->top_margin;
1723 ip->cury = n;
1724 ip->escape = 0;
1725 SUBR_CURSOR(ip, MOVE_CURSOR);
1726 clr_attr (ip, ATTR_INV);
1727 return;
1728
1729 case 'B':
1730 n = ite_argnum (ip);
1731 n = ip->cury + (n ? n : 1);
1732 n = min(ip->rows - 1, n);
1733 if (ip->inside_margins)
1734 n = min(ip->bottom_margin, n);
1735 else if (n == ip->bottom_margin + 1)
1736 /* allow scrolling outside region, but don't scroll out
1737 of active region without explicit CUP */
1738 n = ip->bottom_margin;
1739 ip->cury = n;
1740 ip->escape = 0;
1741 SUBR_CURSOR(ip, MOVE_CURSOR);
1742 clr_attr (ip, ATTR_INV);
1743 return;
1744
1745 case 'C':
1746 n = ite_argnum (ip);
1747 n = n ? n : 1;
1748 ip->curx = min(ip->curx + n, ip->cols - 1);
1749 ip->escape = 0;
1750 SUBR_CURSOR(ip, MOVE_CURSOR);
1751 clr_attr (ip, ATTR_INV);
1752 return;
1753
1754 case 'D':
1755 n = ite_argnum (ip);
1756 n = n ? n : 1;
1757 n = ip->curx - n;
1758 ip->curx = n >= 0 ? n : 0;
1759 ip->escape = 0;
1760 SUBR_CURSOR(ip, MOVE_CURSOR);
1761 clr_attr (ip, ATTR_INV);
1762 return;
1763
1764
1765
1766
1767 case 'J':
1768 *ip->ap = 0;
1769 n = ite_zargnum (ip);
1770 if (n == 0)
1771 ite_clrtoeos(ip);
1772 else if (n == 1)
1773 ite_clrtobos(ip);
1774 else if (n == 2)
1775 ite_clrscreen(ip);
1776 ip->escape = 0;
1777 return;
1778
1779
1780 case 'K':
1781 n = ite_zargnum (ip);
1782 if (n == 0)
1783 ite_clrtoeol(ip);
1784 else if (n == 1)
1785 ite_clrtobol(ip);
1786 else if (n == 2)
1787 ite_clrline(ip);
1788 ip->escape = 0;
1789 return;
1790
1791
1792 case 'X':
1793 n = ite_argnum(ip) - 1;
1794 n = min(n, ip->cols - 1 - ip->curx);
1795 for (; n >= 0; n--)
1796 {
1797 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1798 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1799 }
1800 ip->escape = 0;
1801 return;
1802
1803
1804 case '}': case '`':
1805 /* status line control */
1806 ip->escape = 0;
1807 return;
1808
1809
1810 case 'r':
1811 *ip->ap = 0;
1812 x = atoi (ip->argbuf);
1813 x = x ? x : 1;
1814 y = ip->rows;
1815 cp = index (ip->argbuf, ';');
1816 if (cp)
1817 {
1818 y = atoi (cp + 1);
1819 y = y ? y : ip->rows;
1820 }
1821 if (y - x < 2)
1822 {
1823 /* if illegal scrolling region, reset to defaults */
1824 x = 1;
1825 y = ip->rows;
1826 }
1827 x--;
1828 y--;
1829 ip->top_margin = min(x, ip->rows - 1);
1830 ip->bottom_margin = min(y, ip->rows - 1);
1831 if (ip->inside_margins)
1832 {
1833 ip->cury = ip->top_margin;
1834 ip->curx = 0;
1835 SUBR_CURSOR(ip, MOVE_CURSOR);
1836 }
1837 ip->escape = 0;
1838 return;
1839
1840
1841 case 'm':
1842 /* big attribute setter/resetter */
1843 {
1844 char *cp;
1845 *ip->ap = 0;
1846 /* kludge to make CSIm work (== CSI0m) */
1847 if (ip->ap == ip->argbuf)
1848 ip->ap++;
1849 for (cp = ip->argbuf; cp < ip->ap; )
1850 {
1851 switch (*cp)
1852 {
1853 case 0:
1854 case '0':
1855 clr_attr (ip, ATTR_ALL);
1856 cp++;
1857 break;
1858
1859 case '1':
1860 set_attr (ip, ATTR_BOLD);
1861 cp++;
1862 break;
1863
1864 case '2':
1865 switch (cp[1])
1866 {
1867 case '2':
1868 clr_attr (ip, ATTR_BOLD);
1869 cp += 2;
1870 break;
1871
1872 case '4':
1873 clr_attr (ip, ATTR_UL);
1874 cp += 2;
1875 break;
1876
1877 case '5':
1878 clr_attr (ip, ATTR_BLINK);
1879 cp += 2;
1880 break;
1881
1882 case '7':
1883 clr_attr (ip, ATTR_INV);
1884 cp += 2;
1885 break;
1886
1887 default:
1888 cp++;
1889 break;
1890 }
1891 break;
1892
1893 case '4':
1894 set_attr (ip, ATTR_UL);
1895 cp++;
1896 break;
1897
1898 case '5':
1899 set_attr (ip, ATTR_BLINK);
1900 cp++;
1901 break;
1902
1903 case '7':
1904 set_attr (ip, ATTR_INV);
1905 cp++;
1906 break;
1907
1908 default:
1909 cp++;
1910 break;
1911 }
1912 }
1913
1914 }
1915 ip->escape = 0;
1916 return;
1917
1918
1919 case 'u':
1920 /* DECRQTSR */
1921 ite_sendstr (ip, "\033P\033\\");
1922 ip->escape = 0;
1923 return;
1924
1925
1926
1927 default:
1928 ip->escape = 0;
1929 return;
1930 }
1931 break;
1932
1933
1934
1935 case '?': /* CSI ? */
1936 switch (c)
1937 {
1938 case '0': case '1': case '2': case '3': case '4':
1939 case '5': case '6': case '7': case '8': case '9':
1940 case ';': case '\"': case '$':
1941 /* Don't fill the last character; it's needed. */
1942 /* XXX yeah, where ?? */
1943 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
1944 *ip->ap++ = c;
1945 return;
1946
1947
1948 case 'n':
1949 *ip->ap = 0;
1950 if (ip->ap == &ip->argbuf[2])
1951 {
1952 if (! strncmp (ip->argbuf, "15", 2))
1953 /* printer status: no printer */
1954 ite_sendstr (ip, "\033[13n");
1955
1956 else if (! strncmp (ip->argbuf, "25", 2))
1957 /* udk status */
1958 ite_sendstr (ip, "\033[20n");
1959
1960 else if (! strncmp (ip->argbuf, "26", 2))
1961 /* keyboard dialect: US */
1962 ite_sendstr (ip, "\033[27;1n");
1963 }
1964 ip->escape = 0;
1965 return;
1966
1967
1968 case 'h': case 'l':
1969 n = ite_zargnum (ip);
1970 switch (n)
1971 {
1972 case 1:
1973 ip->cursor_appmode = (c == 'h');
1974 break;
1975
1976 case 3:
1977 /* 132/80 columns (132 == 'h') */
1978 break;
1979
1980 case 4: /* smooth scroll */
1981 break;
1982
1983 case 5:
1984 /* light background (=='h') /dark background(=='l') */
1985 break;
1986
1987 case 6: /* origin mode */
1988 ip->inside_margins = (c == 'h');
1989 ip->curx = 0;
1990 ip->cury = ip->inside_margins ? ip->top_margin : 0;
1991 SUBR_CURSOR(ip, MOVE_CURSOR);
1992 break;
1993
1994 case 7: /* auto wraparound */
1995 ip->auto_wrap = (c == 'h');
1996 break;
1997
1998 case 8: /* keyboard repeat */
1999 ip->key_repeat = (c == 'h');
2000 break;
2001
2002 case 20: /* newline mode */
2003 ip->linefeed_newline = (c == 'h');
2004 break;
2005
2006 case 25: /* cursor on/off */
2007 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
2008 break;
2009 }
2010 ip->escape = 0;
2011 return;
2012
2013 default:
2014 ip->escape = 0;
2015 return;
2016 }
2017 break;
2018
2019
2020 default:
2021 ip->escape = 0;
2022 return;
2023 }
2024 }
2025
2026 switch (c) {
2027
2028 case VT: /* VT is treated like LF */
2029 case FF: /* so is FF */
2030 case LF:
2031 /* cr->crlf distinction is done here, on output,
2032 not on input! */
2033 if (ip->linefeed_newline)
2034 ite_crlf (ip);
2035 else
2036 ite_lf (ip);
2037 break;
2038
2039 case CR:
2040 ite_cr (ip);
2041 break;
2042
2043 case BS:
2044 if (--ip->curx < 0)
2045 ip->curx = 0;
2046 else
2047 SUBR_CURSOR(ip, MOVE_CURSOR);
2048 break;
2049
2050 case HT:
2051 for (n = ip->curx + 1; n < ip->cols; n++) {
2052 if (ip->tabs[n]) {
2053 ip->curx = n;
2054 SUBR_CURSOR(ip, MOVE_CURSOR);
2055 break;
2056 }
2057 }
2058 break;
2059
2060 case BEL:
2061 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2062 kbdbell();
2063 break;
2064
2065 case SO:
2066 ip->GL = ip->G1;
2067 break;
2068
2069 case SI:
2070 ip->GL = ip->G0;
2071 break;
2072
2073 case ENQ:
2074 /* send answer-back message !! */
2075 break;
2076
2077 case CAN:
2078 ip->escape = 0; /* cancel any escape sequence in progress */
2079 break;
2080
2081 case SUB:
2082 ip->escape = 0; /* dito, but see below */
2083 /* should also display a reverse question mark!! */
2084 break;
2085
2086 case ESC:
2087 ip->escape = ESC;
2088 break;
2089
2090
2091 /* now it gets weird.. 8bit control sequences.. */
2092 case IND: /* index: move cursor down, scroll */
2093 ite_lf (ip);
2094 break;
2095
2096 case NEL: /* next line. next line, first pos. */
2097 ite_crlf (ip);
2098 break;
2099
2100 case HTS: /* set horizontal tab */
2101 if (ip->curx < ip->cols)
2102 ip->tabs[ip->curx] = 1;
2103 break;
2104
2105 case RI: /* reverse index */
2106 ite_rlf (ip);
2107 break;
2108
2109 case SS2: /* go into G2 for one character */
2110 /* not yet supported */
2111 break;
2112
2113 case SS3: /* go into G3 for one character */
2114 break;
2115
2116 case DCS: /* device control string introducer */
2117 ip->escape = DCS;
2118 ip->ap = ip->argbuf;
2119 break;
2120
2121 case CSI: /* control sequence introducer */
2122 ip->escape = CSI;
2123 ip->ap = ip->argbuf;
2124 break;
2125
2126 case ST: /* string terminator */
2127 /* ignore, if not used as terminator */
2128 break;
2129
2130 case OSC: /* introduces OS command. Ignore everything upto ST */
2131 ip->escape = OSC;
2132 break;
2133
2134 case PM: /* privacy message, ignore everything upto ST */
2135 ip->escape = PM;
2136 break;
2137
2138 case APC: /* application program command, ignore everything upto ST */
2139 ip->escape = APC;
2140 break;
2141
2142 default:
2143 if (c < ' ' || c == DEL)
2144 break;
2145 if (ip->imode)
2146 ite_inchar(ip, 1);
2147 iteprecheckwrap(ip);
2148 #ifdef DO_WEIRD_ATTRIBUTES
2149 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2150 attrset(ip, ATTR_INV);
2151 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2152 }
2153 else
2154 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2155 #else
2156 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2157 #endif
2158 SUBR_CURSOR(ip, DRAW_CURSOR);
2159 itecheckwrap(ip);
2160 break;
2161 }
2162 }
2163
2164 iteprecheckwrap(ip)
2165 struct ite_softc *ip;
2166 {
2167 if (ip->auto_wrap && ip->curx == ip->cols) {
2168 ip->curx = 0;
2169 clr_attr(ip, ATTR_INV);
2170 if (++ip->cury >= ip->bottom_margin + 1) {
2171 ip->cury = ip->bottom_margin;
2172 SUBR_CURSOR(ip, MOVE_CURSOR);
2173 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2174 ite_clrtoeol(ip);
2175 } else
2176 SUBR_CURSOR(ip, MOVE_CURSOR);
2177 }
2178 }
2179
2180 itecheckwrap(ip)
2181 struct ite_softc *ip;
2182 {
2183 #if 0
2184 if (++ip->curx == ip->cols) {
2185 if (ip->auto_wrap) {
2186 ip->curx = 0;
2187 clr_attr(ip, ATTR_INV);
2188 if (++ip->cury >= ip->bottom_margin + 1) {
2189 ip->cury = ip->bottom_margin;
2190 SUBR_CURSOR(ip, MOVE_CURSOR);
2191 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2192 ite_clrtoeol(ip);
2193 return;
2194 }
2195 } else
2196 /* stay there if no autowrap.. */
2197 ip->curx--;
2198 }
2199 #else
2200 if (ip->curx < ip->cols) {
2201 ip->curx++;
2202 SUBR_CURSOR(ip, MOVE_CURSOR);
2203 }
2204 #endif
2205 }
2206