ite.c revision 1.10 1 /* $NetBSD: ite.c,v 1.10 1996/03/19 13:15:34 leo 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/kbdmap.h>
64 #include <atari/dev/iteioctl.h>
65 #include <atari/dev/itevar.h>
66 #include <atari/dev/grfioctl.h>
67 #include <atari/dev/grfabs_reg.h>
68 #include <atari/dev/grfvar.h>
69 #include <atari/dev/viewioctl.h>
70 #include <atari/dev/viewvar.h>
71
72 #define ITEUNIT(dev) (minor(dev))
73
74 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
75 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
76 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
77 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
78 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
79 #define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir)
80
81 u_int ite_confunits; /* configured units */
82
83 int start_repeat_timeo = 30; /* first repeat after x s/100 */
84 int next_repeat_timeo = 10; /* next repeat after x s/100 */
85
86 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
87
88 struct ite_softc con_itesoftc;
89 u_char cons_tabs[MAX_TABS];
90
91 struct ite_softc *kbd_ite;
92 int kbd_init;
93
94 static void iteprecheckwrap __P((struct ite_softc *));
95 static void itecheckwrap __P((struct ite_softc *));
96
97 static char *index __P((const char *, int));
98 static __inline__ int atoi __P((const char *));
99 static void ite_switch __P((int));
100 void iteputchar __P((int c, struct ite_softc *ip));
101 void ite_putstr __P((const u_char * s, int len, dev_t dev));
102 void iteattach __P((struct device *, struct device *, void *));
103 int itematch __P((struct device *, void *, void *));
104
105 struct cfattach ite_ca = {
106 sizeof(struct ite_softc), itematch, iteattach
107 };
108
109 struct cfdriver ite_cd = {
110 NULL, "ite", DV_DULL, NULL, 0
111 };
112
113 int
114 itematch(pdp, match, auxp)
115 struct device *pdp;
116 void *match, *auxp;
117 {
118 struct cfdata *cdp = match;
119 struct grf_softc *gp;
120 int maj;
121
122 gp = auxp;
123
124 /* ite0 should be at grf0 */
125 if(cdp->cf_unit != gp->g_unit)
126 return(0);
127
128 /*
129 * all that our mask allows (more than enough no one
130 * has > 32 monitors for text consoles on one machine)
131 */
132 if (cdp->cf_unit >= sizeof(ite_confunits) * NBBY)
133 return(0);
134 /*
135 * XXX
136 * normally this would be done in attach, however
137 * during early init we do not have a device pointer
138 * and thus no unit number.
139 */
140 for(maj = 0; maj < nchrdev; maj++)
141 if (cdevsw[maj].d_open == iteopen)
142 break;
143 gp->g_itedev = makedev(maj, cdp->cf_unit);
144 return(1);
145 }
146
147 void
148 iteattach(pdp, dp, auxp)
149 struct device *pdp, *dp;
150 void *auxp;
151 {
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(ite_cd.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 itecninit().
316 *
317 */
318 void
319 iteinit(dev)
320 dev_t dev;
321 {
322 extern int atari_realconfig;
323 struct ite_softc *ip;
324
325 ip = getitesp(dev);
326 if (ip->flags & ITE_INITED)
327 return;
328 if (atari_realconfig) {
329 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap)
330 free(ip->kbdmap, M_DEVBUF);
331 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK);
332 bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap));
333 }
334 else ip->kbdmap = &ascii_kbdmap;
335
336 ip->cursorx = 0;
337 ip->cursory = 0;
338 SUBR_INIT(ip);
339 SUBR_CURSOR(ip, DRAW_CURSOR);
340 if (ip->tabs == NULL)
341 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
342 ite_reset(ip);
343 ip->flags |= ITE_INITED;
344 }
345
346 int
347 iteopen(dev, mode, devtype, p)
348 dev_t dev;
349 int mode, devtype;
350 struct proc *p;
351 {
352 struct ite_softc *ip;
353 struct tty *tp;
354 int error, first, unit;
355
356 unit = ITEUNIT(dev);
357 first = 0;
358
359 if (((1 << unit) & ite_confunits) == 0)
360 return (ENXIO);
361
362 ip = getitesp(dev);
363
364 if (ip->tp == NULL)
365 tp = ip->tp = ttymalloc();
366 else
367 tp = ip->tp;
368 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
369 && p->p_ucred->cr_uid != 0)
370 return (EBUSY);
371 if ((ip->flags & ITE_ACTIVE) == 0) {
372 error = ite_on(dev, 0);
373 if (error)
374 return (error);
375 first = 1;
376 }
377 tp->t_oproc = itestart;
378 tp->t_param = ite_param;
379 tp->t_dev = dev;
380 if ((tp->t_state & TS_ISOPEN) == 0) {
381 ttychars(tp);
382 tp->t_iflag = TTYDEF_IFLAG;
383 tp->t_oflag = TTYDEF_OFLAG;
384 tp->t_cflag = TTYDEF_CFLAG;
385 tp->t_lflag = TTYDEF_LFLAG;
386 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
387 tp->t_state = TS_WOPEN | TS_CARR_ON;
388 ttsetwater(tp);
389 }
390 error = (*linesw[tp->t_line].l_open) (dev, tp);
391 if (error == 0) {
392 tp->t_winsize.ws_row = ip->rows;
393 tp->t_winsize.ws_col = ip->cols;
394 if (!kbd_init) {
395 kbd_init = 1;
396 kbdenable();
397 }
398 } else if (first)
399 ite_off(dev, 0);
400 return (error);
401 }
402
403 int
404 iteclose(dev, flag, mode, p)
405 dev_t dev;
406 int flag, mode;
407 struct proc *p;
408 {
409 struct tty *tp;
410
411 tp = getitesp(dev)->tp;
412
413 KDASSERT(tp);
414 (*linesw[tp->t_line].l_close) (tp, flag);
415 ttyclose(tp);
416 ite_off(dev, 0);
417 return (0);
418 }
419
420 int
421 iteread(dev, uio, flag)
422 dev_t dev;
423 struct uio *uio;
424 int flag;
425 {
426 struct tty *tp;
427
428 tp = getitesp(dev)->tp;
429
430 KDASSERT(tp);
431 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
432 }
433
434 int
435 itewrite(dev, uio, flag)
436 dev_t dev;
437 struct uio *uio;
438 int flag;
439 {
440 struct tty *tp;
441
442 tp = getitesp(dev)->tp;
443
444 KDASSERT(tp);
445 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
446 }
447
448 void
449 itestop(tp, flag)
450 struct tty *tp;
451 int flag;
452 {
453
454 }
455
456 struct tty *
457 itetty(dev)
458 dev_t dev;
459 {
460 return(getitesp(dev)->tp);
461 }
462
463 int
464 iteioctl(dev, cmd, addr, flag, p)
465 dev_t dev;
466 u_long cmd;
467 int flag;
468 caddr_t addr;
469 struct proc *p;
470 {
471 struct iterepeat *irp;
472 struct ite_softc *ip;
473 struct tty *tp;
474 int error;
475
476 ip = getitesp(dev);
477 tp = ip->tp;
478
479 KDASSERT(tp);
480
481 error = (*linesw[tp->t_line].l_ioctl) (tp, cmd, addr, flag, p);
482 if(error >= 0)
483 return (error);
484 error = ttioctl(tp, cmd, addr, flag, p);
485 if (error >= 0)
486 return (error);
487
488 switch (cmd) {
489 case ITEIOCSKMAP:
490 if (addr == 0)
491 return(EFAULT);
492 bcopy(addr, ip->kbdmap, sizeof(struct kbdmap));
493 return(0);
494 case ITEIOCSSKMAP:
495 if (addr == 0)
496 return(EFAULT);
497 bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap));
498 return(0);
499 case ITEIOCGKMAP:
500 if (addr == NULL)
501 return(EFAULT);
502 bcopy(ip->kbdmap, addr, sizeof(struct kbdmap));
503 return(0);
504 case ITEIOCGREPT:
505 irp = (struct iterepeat *)addr;
506 irp->start = start_repeat_timeo;
507 irp->next = next_repeat_timeo;
508 return(0);
509 case ITEIOCSREPT:
510 irp = (struct iterepeat *)addr;
511 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT)
512 return(EINVAL);
513 start_repeat_timeo = irp->start;
514 next_repeat_timeo = irp->next;
515 return(0);
516 }
517 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
518 if(error >= 0)
519 return(error);
520 return (ENOTTY);
521 }
522
523 void
524 itestart(tp)
525 struct tty *tp;
526 {
527 struct clist *rbp;
528 struct ite_softc *ip;
529 u_char buf[ITEBURST];
530 int s, len;
531
532 ip = getitesp(tp->t_dev);
533
534 KDASSERT(tp);
535
536 s = spltty(); {
537 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
538 goto out;
539
540 tp->t_state |= TS_BUSY;
541 rbp = &tp->t_outq;
542
543 len = q_to_b(rbp, buf, ITEBURST);
544 } splx(s);
545
546 /* Here is a really good place to implement pre/jumpscroll() */
547 ite_putstr((char *)buf, len, tp->t_dev);
548
549 s = spltty(); {
550 tp->t_state &= ~TS_BUSY;
551 /* we have characters remaining. */
552 if (rbp->c_cc) {
553 tp->t_state |= TS_TIMEOUT;
554 timeout(ttrstrt, tp, 1);
555 }
556 /* wakeup we are below */
557 if (rbp->c_cc <= tp->t_lowat) {
558 if (tp->t_state & TS_ASLEEP) {
559 tp->t_state &= ~TS_ASLEEP;
560 wakeup((caddr_t) rbp);
561 }
562 selwakeup(&tp->t_wsel);
563 }
564 out: ;
565 } splx(s);
566 }
567
568 int
569 ite_on(dev, flag)
570 dev_t dev;
571 int flag;
572 {
573 struct ite_softc *ip;
574 int unit;
575
576 unit = ITEUNIT(dev);
577 if (((1 << unit) & ite_confunits) == 0)
578 return (ENXIO);
579
580 ip = getitesp(dev);
581
582 /* force ite active, overriding graphics mode */
583 if (flag & 1) {
584 ip->flags |= ITE_ACTIVE;
585 ip->flags &= ~(ITE_INGRF | ITE_INITED);
586 }
587 /* leave graphics mode */
588 if (flag & 2) {
589 ip->flags &= ~ITE_INGRF;
590 if ((ip->flags & ITE_ACTIVE) == 0)
591 return (0);
592 }
593 ip->flags |= ITE_ACTIVE;
594 if (ip->flags & ITE_INGRF)
595 return (0);
596 iteinit(dev);
597 return (0);
598 }
599
600 void
601 ite_off(dev, flag)
602 dev_t dev;
603 int flag;
604 {
605 struct ite_softc *ip;
606
607 ip = getitesp(dev);
608 if (flag & 2)
609 ip->flags |= ITE_INGRF;
610 if ((ip->flags & ITE_ACTIVE) == 0)
611 return;
612 if ((flag & 1) ||
613 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
614 SUBR_DEINIT(ip);
615 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
616 ip->flags &= ~ITE_ACTIVE;
617 }
618
619 static void
620 ite_switch(unit)
621 int unit;
622 {
623 struct ite_softc *ip;
624
625 if(!(ite_confunits & (1 << unit)))
626 return; /* Don't try unconfigured units */
627 ip = getitesp(unit);
628 if(!(ip->flags & ITE_INITED))
629 return;
630
631 /*
632 * If switching to an active ite, also switch the keyboard.
633 */
634 if(ip->flags & ITE_ACTIVE)
635 kbd_ite = ip;
636
637 /*
638 * Now make it visible
639 */
640 viewioctl(ip->grf->g_viewdev, VIOCDISPLAY, NULL, 0, -1);
641 }
642
643 /* XXX called after changes made in underlying grf layer. */
644 /* I want to nuke this */
645 void
646 ite_reinit(dev)
647 dev_t dev;
648 {
649 struct ite_softc *ip;
650
651 ip = getitesp(dev);
652 ip->flags &= ~ITE_INITED;
653 iteinit(dev);
654 }
655
656 int
657 ite_param(tp, t)
658 struct tty *tp;
659 struct termios *t;
660 {
661 tp->t_ispeed = t->c_ispeed;
662 tp->t_ospeed = t->c_ospeed;
663 tp->t_cflag = t->c_cflag;
664 return (0);
665 }
666
667 void
668 ite_reset(ip)
669 struct ite_softc *ip;
670 {
671 int i;
672
673 ip->curx = 0;
674 ip->cury = 0;
675 ip->attribute = ATTR_NOR;
676 ip->save_curx = 0;
677 ip->save_cury = 0;
678 ip->save_attribute = ATTR_NOR;
679 ip->ap = ip->argbuf;
680 ip->emul_level = 0;
681 ip->eightbit_C1 = 0;
682 ip->top_margin = 0;
683 ip->bottom_margin = ip->rows - 1;
684 ip->inside_margins = 0;
685 ip->linefeed_newline = 0;
686 ip->auto_wrap = ite_default_wrap;
687 ip->cursor_appmode = 0;
688 ip->keypad_appmode = 0;
689 ip->imode = 0;
690 ip->key_repeat = 1;
691 bzero(ip->tabs, ip->cols);
692 for (i = 0; i < ip->cols; i++)
693 ip->tabs[i] = ((i & 7) == 0);
694 }
695
696 /*
697 * has to be global becuase of the shared filters.
698 */
699 static u_char key_mod;
700 static u_char last_dead;
701
702 /* Used in console at startup only */
703 int
704 ite_cnfilter(c, caller)
705 u_int c;
706 enum caller caller;
707 {
708 struct key key;
709 struct kbdmap *kbdmap;
710 u_char code, up, mask;
711 int s;
712
713 up = KBD_RELEASED(c);
714 c = KBD_SCANCODE(c);
715 code = 0;
716 mask = 0;
717 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap;
718
719 s = spltty();
720
721 /*
722 * Handle special keys
723 */
724 switch(c) {
725 case KBD_LEFT_SHIFT:
726 mask = KBD_MOD_LSHIFT;
727 break;
728 case KBD_RIGHT_SHIFT:
729 mask = KBD_MOD_RSHIFT;
730 break;
731 case KBD_CTRL:
732 mask = KBD_MOD_CTRL;
733 break;
734 case KBD_ALT:
735 mask = KBD_MOD_ALT;
736 break;
737 case KBD_CAPS_LOCK:
738 /* CAPSLOCK is a toggle */
739 if(!up)
740 key_mod ^= KBD_MOD_CAPS;
741 splx(s);
742 return -1;
743 break;
744 }
745 if(mask) {
746 if(up)
747 key_mod &= ~mask;
748 else
749 key_mod |= mask;
750 splx(s);
751 return -1;
752 }
753
754 /*
755 * No special action if key released
756 */
757 if(up) {
758 splx(s);
759 return -1;
760 }
761
762 /* translate modifiers */
763 if(key_mod & KBD_MOD_SHIFT) {
764 if(key_mod & KBD_MOD_ALT)
765 key = kbdmap->alt_shift_keys[c];
766 else key = kbdmap->shift_keys[c];
767 }
768 else if(key_mod & KBD_MOD_ALT)
769 key = kbdmap->alt_keys[c];
770 else {
771 key = kbdmap->keys[c];
772 /*
773 * If CAPS and key is CAPable (no pun intended)
774 */
775 if((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
776 key = kbdmap->shift_keys[c];
777 }
778 code = key.code;
779
780 #ifdef notyet /* LWP: Didn't have time to look at this yet */
781 /*
782 * If string return simple console filter
783 */
784 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
785 splx(s);
786 return -1;
787 }
788 /* handle dead keys */
789 if(key->mode & KBD_MODE_DEAD) {
790 /* if entered twice, send accent itself */
791 if (last_dead == key->mode & KBD_MODE_ACCMASK)
792 last_dead = 0;
793 else {
794 last_dead = key->mode & KBD_MODE_ACCMASK;
795 splx(s);
796 return -1;
797 }
798 }
799 if(last_dead) {
800 /* can't apply dead flag to string-keys */
801 if (code >= '@' && code < 0x7f)
802 code =
803 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
804 last_dead = 0;
805 }
806 #endif
807 if(key_mod & KBD_MOD_CTRL)
808 code &= 0x1f;
809
810 /*
811 * Do console mapping.
812 */
813 code = code == '\r' ? '\n' : code;
814
815 splx(s);
816 return (code);
817 }
818
819 /* And now the old stuff. */
820
821 /* these are used to implement repeating keys.. */
822 static u_char last_char;
823 static u_char tout_pending;
824
825 /*ARGSUSED*/
826 static void
827
828 repeat_handler(arg)
829 void *arg;
830 {
831 tout_pending = 0;
832 if(last_char)
833 add_sicallback(ite_filter, last_char, ITEFILT_REPEATER);
834 }
835
836 void
837 ite_filter(c, caller)
838 u_int c;
839 enum caller caller;
840 {
841 struct tty *kbd_tty;
842 struct kbdmap *kbdmap;
843 u_char code, *str, up, mask;
844 struct key key;
845 int s, i;
846
847 if(kbd_ite == NULL)
848 return;
849
850 kbd_tty = kbd_ite->tp;
851 kbdmap = kbd_ite->kbdmap;
852
853 up = KBD_RELEASED(c);
854 c = KBD_SCANCODE(c);
855 code = 0;
856 mask = 0;
857
858 /* have to make sure we're at spltty in here */
859 s = spltty();
860
861 /*
862 * keyboard interrupts come at priority 2, while softint
863 * generated keyboard-repeat interrupts come at level 1. So,
864 * to not allow a key-up event to get thru before a repeat for
865 * the key-down, we remove any outstanding callout requests..
866 */
867 rem_sicallback(ite_filter);
868
869
870 /*
871 * Handle special keys
872 */
873 switch(c) {
874 case KBD_LEFT_SHIFT:
875 mask = KBD_MOD_LSHIFT;
876 break;
877 case KBD_RIGHT_SHIFT:
878 mask = KBD_MOD_RSHIFT;
879 break;
880 case KBD_CTRL:
881 mask = KBD_MOD_CTRL;
882 break;
883 case KBD_ALT:
884 mask = KBD_MOD_ALT;
885 break;
886 case KBD_CAPS_LOCK:
887 /* CAPSLOCK is a toggle */
888 if(!up)
889 key_mod ^= KBD_MOD_CAPS;
890 splx(s);
891 return;
892 break;
893 }
894 if(mask) {
895 if(up)
896 key_mod &= ~mask;
897 else
898 key_mod |= mask;
899 splx(s);
900 return;
901 }
902
903 /*
904 * Stop repeating on up event
905 */
906 if (up) {
907 if(tout_pending) {
908 untimeout(repeat_handler, 0);
909 tout_pending = 0;
910 last_char = 0;
911 }
912 splx(s);
913 return;
914 }
915 else if(tout_pending && last_char != c) {
916 /*
917 * Different character, stop also
918 */
919 untimeout(repeat_handler, 0);
920 tout_pending = 0;
921 last_char = 0;
922 }
923
924 /*
925 * Handle ite-switching ALT + Fx
926 */
927 if((key_mod == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) {
928 ite_switch(c - 0x3b);
929 splx(s);
930 return;
931 }
932 /*
933 * Safety button, switch back to ascii keymap.
934 */
935 if(key_mod == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) {
936 /* ALT + LSHIFT + F1 */
937 bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap));
938 splx(s);
939 return;
940 #ifdef DDB
941 }
942 else if(key_mod == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) {
943 /* ALT + LSHIFT + F9 */
944 Debugger();
945 splx(s);
946 return;
947 #endif
948 }
949
950 /*
951 * The rest of the code is senseless when the device is not open.
952 */
953 if(kbd_tty == NULL) {
954 splx(s);
955 return;
956 }
957
958 /*
959 * Translate modifiers
960 */
961 if(key_mod & KBD_MOD_SHIFT) {
962 if(key_mod & KBD_MOD_ALT)
963 key = kbdmap->alt_shift_keys[c];
964 else key = kbdmap->shift_keys[c];
965 }
966 else if(key_mod & KBD_MOD_ALT)
967 key = kbdmap->alt_keys[c];
968 else {
969 key = kbdmap->keys[c];
970 /*
971 * If CAPS and key is CAPable (no pun intended)
972 */
973 if((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
974 key = kbdmap->shift_keys[c];
975 }
976 code = key.code;
977
978 /*
979 * Arrange to repeat the keystroke. By doing this at the level
980 * of scan-codes, we can have function keys, and keys that
981 * send strings, repeat too. This also entitles an additional
982 * overhead, since we have to do the conversion each time, but
983 * I guess that's ok.
984 */
985 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
986 tout_pending = 1;
987 last_char = c;
988 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100);
989 }
990 else if(!tout_pending && caller==ITEFILT_REPEATER
991 && kbd_ite->key_repeat) {
992 tout_pending = 1;
993 last_char = c;
994 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100);
995 }
996 /* handle dead keys */
997 if (key.mode & KBD_MODE_DEAD) {
998 /* if entered twice, send accent itself */
999 if (last_dead == key.mode & KBD_MODE_ACCMASK)
1000 last_dead = 0;
1001 else {
1002 last_dead = key.mode & KBD_MODE_ACCMASK;
1003 splx(s);
1004 return;
1005 }
1006 }
1007 if (last_dead) {
1008 /* can't apply dead flag to string-keys */
1009 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
1010 code < 0x7f)
1011 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
1012 last_dead = 0;
1013 }
1014
1015 /*
1016 * If not string, apply CTRL modifiers
1017 */
1018 if(!(key.mode & KBD_MODE_STRING)
1019 && (!(key.mode & KBD_MODE_KPAD)
1020 || (kbd_ite && !kbd_ite->keypad_appmode))) {
1021 if(key_mod & KBD_MOD_CTRL)
1022 code &= 0x1f;
1023 }
1024 else if((key.mode & KBD_MODE_KPAD)
1025 && (kbd_ite && kbd_ite->keypad_appmode)) {
1026 static char *in = "0123456789-+.\r()/*";
1027 static char *out = "pqrstuvwxymlnMPQRS";
1028 char *cp = index(in, code);
1029
1030 /*
1031 * keypad-appmode sends SS3 followed by the above
1032 * translated character
1033 */
1034 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
1035 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty);
1036 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
1037 splx(s);
1038 return;
1039 } else {
1040 /* *NO* I don't like this.... */
1041 static u_char app_cursor[] =
1042 {
1043 3, 27, 'O', 'A',
1044 3, 27, 'O', 'B',
1045 3, 27, 'O', 'C',
1046 3, 27, 'O', 'D'};
1047
1048 str = kbdmap->strings + code;
1049 /*
1050 * if this is a cursor key, AND it has the default
1051 * keymap setting, AND we're in app-cursor mode, switch
1052 * to the above table. This is *nasty* !
1053 */
1054 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50))
1055 && kbd_ite->cursor_appmode
1056 && !bcmp(str, "\x03\x1b[", 3) &&
1057 index("ABCD", str[3]))
1058 str = app_cursor + 4 * (str[3] - 'A');
1059
1060 /*
1061 * using a length-byte instead of 0-termination allows
1062 * to embed \0 into strings, although this is not used
1063 * in the default keymap
1064 */
1065 for (i = *str++; i; i--)
1066 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1067 splx(s);
1068 return;
1069 }
1070 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
1071
1072 splx(s);
1073 return;
1074 }
1075
1076 /* helper functions, makes the code below more readable */
1077 static __inline__ void
1078 ite_sendstr(str)
1079 char *str;
1080 {
1081 struct tty *kbd_tty;
1082
1083 kbd_tty = kbd_ite->tp;
1084 KDASSERT(kbd_tty);
1085 while (*str)
1086 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1087 }
1088
1089 static void
1090 alignment_display(ip)
1091 struct ite_softc *ip;
1092 {
1093 int i, j;
1094
1095 for (j = 0; j < ip->rows; j++)
1096 for (i = 0; i < ip->cols; i++)
1097 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1098 attrclr(ip, 0, 0, ip->rows, ip->cols);
1099 SUBR_CURSOR(ip, DRAW_CURSOR);
1100 }
1101
1102 static __inline__ void
1103 snap_cury(ip)
1104 struct ite_softc *ip;
1105 {
1106 if (ip->inside_margins)
1107 {
1108 if (ip->cury < ip->top_margin)
1109 ip->cury = ip->top_margin;
1110 if (ip->cury > ip->bottom_margin)
1111 ip->cury = ip->bottom_margin;
1112 }
1113 }
1114
1115 static __inline__ void
1116 ite_dnchar(ip, n)
1117 struct ite_softc *ip;
1118 int n;
1119 {
1120 n = min(n, ip->cols - ip->curx);
1121 if (n < ip->cols - ip->curx)
1122 {
1123 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1124 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1125 1, ip->cols - ip->curx - n);
1126 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1127 }
1128 while (n-- > 0)
1129 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1130 SUBR_CURSOR(ip, DRAW_CURSOR);
1131 }
1132
1133 static __inline__ void
1134 ite_inchar(ip, n)
1135 struct ite_softc *ip;
1136 int n;
1137 {
1138 n = min(n, ip->cols - ip->curx);
1139 if (n < ip->cols - ip->curx)
1140 {
1141 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1142 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1143 1, ip->cols - ip->curx - n);
1144 attrclr(ip, ip->cury, ip->curx, 1, n);
1145 }
1146 while (n--)
1147 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1148 SUBR_CURSOR(ip, DRAW_CURSOR);
1149 }
1150
1151 static __inline__ void
1152 ite_clrtoeol(ip)
1153 struct ite_softc *ip;
1154 {
1155 int y = ip->cury, x = ip->curx;
1156 if (ip->cols - x > 0)
1157 {
1158 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1159 attrclr(ip, y, x, 1, ip->cols - x);
1160 SUBR_CURSOR(ip, DRAW_CURSOR);
1161 }
1162 }
1163
1164 static __inline__ void
1165 ite_clrtobol(ip)
1166 struct ite_softc *ip;
1167 {
1168 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1169 SUBR_CLEAR(ip, y, 0, 1, x);
1170 attrclr(ip, y, 0, 1, x);
1171 SUBR_CURSOR(ip, DRAW_CURSOR);
1172 }
1173
1174 static __inline__ void
1175 ite_clrline(ip)
1176 struct ite_softc *ip;
1177 {
1178 int y = ip->cury;
1179 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1180 attrclr(ip, y, 0, 1, ip->cols);
1181 SUBR_CURSOR(ip, DRAW_CURSOR);
1182 }
1183
1184
1185
1186 static __inline__ void
1187 ite_clrtoeos(ip)
1188 struct ite_softc *ip;
1189 {
1190 ite_clrtoeol(ip);
1191 if (ip->cury < ip->rows - 1)
1192 {
1193 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1194 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1195 SUBR_CURSOR(ip, DRAW_CURSOR);
1196 }
1197 }
1198
1199 static __inline__ void
1200 ite_clrtobos(ip)
1201 struct ite_softc *ip;
1202 {
1203 ite_clrtobol(ip);
1204 if (ip->cury > 0)
1205 {
1206 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1207 attrclr(ip, 0, 0, ip->cury, ip->cols);
1208 SUBR_CURSOR(ip, DRAW_CURSOR);
1209 }
1210 }
1211
1212 static __inline__ void
1213 ite_clrscreen(ip)
1214 struct ite_softc *ip;
1215 {
1216 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1217 attrclr(ip, 0, 0, ip->rows, ip->cols);
1218 SUBR_CURSOR(ip, DRAW_CURSOR);
1219 }
1220
1221
1222
1223 static __inline__ void
1224 ite_dnline(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 + n, 0, n, SCROLL_UP);
1237 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1238 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1239 }
1240 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1241 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1242 SUBR_CURSOR(ip, DRAW_CURSOR);
1243 }
1244
1245 static __inline__ void
1246 ite_inline(ip, n)
1247 struct ite_softc *ip;
1248 int n;
1249 {
1250 /* interesting.. if the cursor is outside the scrolling
1251 region, this command is simply ignored.. */
1252 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1253 return;
1254
1255 n = min(n, ip->bottom_margin + 1 - ip->cury);
1256 if (n <= ip->bottom_margin - ip->cury)
1257 {
1258 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1259 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1260 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1261 }
1262 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1263 attrclr(ip, ip->cury, 0, n, ip->cols);
1264 SUBR_CURSOR(ip, DRAW_CURSOR);
1265 }
1266
1267 static __inline__ void
1268 ite_lf (ip)
1269 struct ite_softc *ip;
1270 {
1271 ++ip->cury;
1272 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1273 {
1274 ip->cury--;
1275 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1276 ite_clrline(ip);
1277 }
1278 SUBR_CURSOR(ip, MOVE_CURSOR);
1279 clr_attr(ip, ATTR_INV);
1280 }
1281
1282 static __inline__ void
1283 ite_crlf (ip)
1284 struct ite_softc *ip;
1285 {
1286 ip->curx = 0;
1287 ite_lf (ip);
1288 }
1289
1290 static __inline__ void
1291 ite_cr (ip)
1292 struct ite_softc *ip;
1293 {
1294 if (ip->curx)
1295 {
1296 ip->curx = 0;
1297 SUBR_CURSOR(ip, MOVE_CURSOR);
1298 }
1299 }
1300
1301 static __inline__ void
1302 ite_rlf (ip)
1303 struct ite_softc *ip;
1304 {
1305 ip->cury--;
1306 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1307 {
1308 ip->cury++;
1309 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1310 ite_clrline(ip);
1311 }
1312 SUBR_CURSOR(ip, MOVE_CURSOR);
1313 clr_attr(ip, ATTR_INV);
1314 }
1315
1316 static __inline__ int
1317 atoi (cp)
1318 const char *cp;
1319 {
1320 int n;
1321
1322 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1323 n = n * 10 + *cp - '0';
1324
1325 return n;
1326 }
1327
1328 static char *
1329 index (cp, ch)
1330 const char *cp;
1331 int ch;
1332 {
1333 while (*cp && *cp != ch) cp++;
1334 return *cp ? (char *) cp : 0;
1335 }
1336
1337
1338
1339 static __inline__ int
1340 ite_argnum (ip)
1341 struct ite_softc *ip;
1342 {
1343 char ch;
1344 int n;
1345
1346 /* convert argument string into number */
1347 if (ip->ap == ip->argbuf)
1348 return 1;
1349 ch = *ip->ap;
1350 *ip->ap = 0;
1351 n = atoi (ip->argbuf);
1352 *ip->ap = ch;
1353
1354 return n;
1355 }
1356
1357 static __inline__ int
1358 ite_zargnum (ip)
1359 struct ite_softc *ip;
1360 {
1361 char ch;
1362 int n;
1363
1364 /* convert argument string into number */
1365 if (ip->ap == ip->argbuf)
1366 return 0;
1367 ch = *ip->ap;
1368 *ip->ap = 0;
1369 n = atoi (ip->argbuf);
1370 *ip->ap = ch;
1371
1372 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1373 }
1374
1375 void
1376 ite_putstr(s, len, dev)
1377 const u_char *s;
1378 int len;
1379 dev_t dev;
1380 {
1381 struct ite_softc *ip;
1382 int i;
1383
1384 ip = getitesp(dev);
1385
1386 /* XXX avoid problems */
1387 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1388 return;
1389
1390 SUBR_CURSOR(ip, START_CURSOROPT);
1391 for (i = 0; i < len; i++)
1392 if (s[i])
1393 iteputchar(s[i], ip);
1394 SUBR_CURSOR(ip, END_CURSOROPT);
1395 }
1396
1397
1398 void
1399 iteputchar(c, ip)
1400 register int c;
1401 struct ite_softc *ip;
1402 {
1403 struct tty *kbd_tty;
1404 int n, x, y;
1405 char *cp;
1406
1407 if (kbd_ite == NULL)
1408 kbd_tty = NULL;
1409 else
1410 kbd_tty = kbd_ite->tp;
1411
1412 if (ip->escape)
1413 {
1414 switch (ip->escape)
1415 {
1416 case ESC:
1417 switch (c)
1418 {
1419 /* first 7bit equivalents for the 8bit control characters */
1420
1421 case 'D':
1422 c = IND;
1423 ip->escape = 0;
1424 break; /* and fall into the next switch below (same for all `break') */
1425
1426 case 'E':
1427 c = NEL;
1428 ip->escape = 0;
1429 break;
1430
1431 case 'H':
1432 c = HTS;
1433 ip->escape = 0;
1434 break;
1435
1436 case 'M':
1437 c = RI;
1438 ip->escape = 0;
1439 break;
1440
1441 case 'N':
1442 c = SS2;
1443 ip->escape = 0;
1444 break;
1445
1446 case 'O':
1447 c = SS3;
1448 ip->escape = 0;
1449 break;
1450
1451 case 'P':
1452 c = DCS;
1453 ip->escape = 0;
1454 break;
1455
1456 case '[':
1457 c = CSI;
1458 ip->escape = 0;
1459 break;
1460
1461 case '\\':
1462 c = ST;
1463 ip->escape = 0;
1464 break;
1465
1466 case ']':
1467 c = OSC;
1468 ip->escape = 0;
1469 break;
1470
1471 case '^':
1472 c = PM;
1473 ip->escape = 0;
1474 break;
1475
1476 case '_':
1477 c = APC;
1478 ip->escape = 0;
1479 break;
1480
1481
1482 /* introduces 7/8bit control */
1483 case ' ':
1484 /* can be followed by either F or G */
1485 ip->escape = ' ';
1486 break;
1487
1488
1489 /* a lot of character set selections, not yet used...
1490 94-character sets: */
1491 case '(': /* G0 */
1492 case ')': /* G1 */
1493 ip->escape = c;
1494 return;
1495
1496 case '*': /* G2 */
1497 case '+': /* G3 */
1498 case 'B': /* ASCII */
1499 case 'A': /* ISO latin 1 */
1500 case '<': /* user preferred suplemental */
1501 case '0': /* dec special graphics */
1502
1503 /* 96-character sets: */
1504 case '-': /* G1 */
1505 case '.': /* G2 */
1506 case '/': /* G3 */
1507
1508 /* national character sets: */
1509 case '4': /* dutch */
1510 case '5':
1511 case 'C': /* finnish */
1512 case 'R': /* french */
1513 case 'Q': /* french canadian */
1514 case 'K': /* german */
1515 case 'Y': /* italian */
1516 case '6': /* norwegian/danish */
1517 /* note: %5 and %6 are not supported (two chars..) */
1518
1519 ip->escape = 0;
1520 /* just ignore for now */
1521 return;
1522
1523
1524 /* locking shift modes (as you might guess, not yet supported..) */
1525 case '`':
1526 ip->GR = ip->G1;
1527 ip->escape = 0;
1528 return;
1529
1530 case 'n':
1531 ip->GL = ip->G2;
1532 ip->escape = 0;
1533 return;
1534
1535 case '}':
1536 ip->GR = ip->G2;
1537 ip->escape = 0;
1538 return;
1539
1540 case 'o':
1541 ip->GL = ip->G3;
1542 ip->escape = 0;
1543 return;
1544
1545 case '|':
1546 ip->GR = ip->G3;
1547 ip->escape = 0;
1548 return;
1549
1550
1551 /* font width/height control */
1552 case '#':
1553 ip->escape = '#';
1554 return;
1555
1556
1557 /* hard terminal reset .. */
1558 case 'c':
1559 ite_reset (ip);
1560 SUBR_CURSOR(ip, MOVE_CURSOR);
1561 ip->escape = 0;
1562 return;
1563
1564
1565 case '7':
1566 ip->save_curx = ip->curx;
1567 ip->save_cury = ip->cury;
1568 ip->save_attribute = ip->attribute;
1569 ip->escape = 0;
1570 return;
1571
1572 case '8':
1573 ip->curx = ip->save_curx;
1574 ip->cury = ip->save_cury;
1575 ip->attribute = ip->save_attribute;
1576 SUBR_CURSOR(ip, MOVE_CURSOR);
1577 ip->escape = 0;
1578 return;
1579
1580 case '=':
1581 ip->keypad_appmode = 1;
1582 ip->escape = 0;
1583 return;
1584
1585 case '>':
1586 ip->keypad_appmode = 0;
1587 ip->escape = 0;
1588 return;
1589
1590 case 'Z': /* request ID */
1591 if (ip->emul_level == EMUL_VT100)
1592 ite_sendstr ("\033[?61;0c"); /* XXX not clean */
1593 else
1594 ite_sendstr ("\033[?63;0c"); /* XXX not clean */
1595 ip->escape = 0;
1596 return;
1597
1598 /* default catch all for not recognized ESC sequences */
1599 default:
1600 ip->escape = 0;
1601 return;
1602 }
1603 break;
1604
1605
1606 case '(':
1607 case ')':
1608 ip->escape = 0;
1609 return;
1610
1611
1612 case ' ':
1613 switch (c)
1614 {
1615 case 'F':
1616 ip->eightbit_C1 = 0;
1617 ip->escape = 0;
1618 return;
1619
1620 case 'G':
1621 ip->eightbit_C1 = 1;
1622 ip->escape = 0;
1623 return;
1624
1625 default:
1626 /* not supported */
1627 ip->escape = 0;
1628 return;
1629 }
1630 break;
1631
1632
1633 case '#':
1634 switch (c)
1635 {
1636 case '5':
1637 /* single height, single width */
1638 ip->escape = 0;
1639 return;
1640
1641 case '6':
1642 /* double width, single height */
1643 ip->escape = 0;
1644 return;
1645
1646 case '3':
1647 /* top half */
1648 ip->escape = 0;
1649 return;
1650
1651 case '4':
1652 /* bottom half */
1653 ip->escape = 0;
1654 return;
1655
1656 case '8':
1657 /* screen alignment pattern... */
1658 alignment_display (ip);
1659 ip->escape = 0;
1660 return;
1661
1662 default:
1663 ip->escape = 0;
1664 return;
1665 }
1666 break;
1667
1668
1669
1670 case CSI:
1671 /* the biggie... */
1672 switch (c)
1673 {
1674 case '0': case '1': case '2': case '3': case '4':
1675 case '5': case '6': case '7': case '8': case '9':
1676 case ';': case '\"': case '$': case '>':
1677 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1678 *ip->ap++ = c;
1679 return;
1680
1681 case BS:
1682 /* you wouldn't believe such perversion is possible?
1683 it is.. BS is allowed in between cursor sequences
1684 (at least), according to vttest.. */
1685 if (--ip->curx < 0)
1686 ip->curx = 0;
1687 else
1688 SUBR_CURSOR(ip, MOVE_CURSOR);
1689 break;
1690
1691 case 'p':
1692 *ip->ap = 0;
1693 if (! strncmp (ip->argbuf, "61\"", 3))
1694 ip->emul_level = EMUL_VT100;
1695 else if (! strncmp (ip->argbuf, "63;1\"", 5)
1696 || ! strncmp (ip->argbuf, "62;1\"", 5))
1697 ip->emul_level = EMUL_VT300_7;
1698 else
1699 ip->emul_level = EMUL_VT300_8;
1700 ip->escape = 0;
1701 return;
1702
1703
1704 case '?':
1705 *ip->ap = 0;
1706 ip->escape = '?';
1707 ip->ap = ip->argbuf;
1708 return;
1709
1710
1711 case 'c':
1712 *ip->ap = 0;
1713 if (ip->argbuf[0] == '>')
1714 {
1715 ite_sendstr ("\033[>24;0;0;0c");
1716 }
1717 else switch (ite_zargnum(ip))
1718 {
1719 case 0:
1720 /* primary DA request, send primary DA response */
1721 if (ip->emul_level == EMUL_VT100)
1722 ite_sendstr ("\033[?1;1c");
1723 else
1724 ite_sendstr ("\033[?63;1c");
1725 break;
1726 }
1727 ip->escape = 0;
1728 return;
1729
1730 case 'n':
1731 switch (ite_zargnum(ip))
1732 {
1733 case 5:
1734 ite_sendstr ("\033[0n"); /* no malfunction */
1735 break;
1736 case 6:
1737 /* cursor position report */
1738 sprintf (ip->argbuf, "\033[%d;%dR",
1739 ip->cury + 1, ip->curx + 1);
1740 ite_sendstr (ip->argbuf);
1741 break;
1742 }
1743 ip->escape = 0;
1744 return;
1745
1746
1747 case 'x':
1748 switch (ite_zargnum(ip))
1749 {
1750 case 0:
1751 /* Fake some terminal parameters. */
1752 ite_sendstr ("\033[2;1;1;112;112;1;0x");
1753 break;
1754 case 1:
1755 ite_sendstr ("\033[3;1;1;112;112;1;0x");
1756 break;
1757 }
1758 ip->escape = 0;
1759 return;
1760
1761
1762 case 'g':
1763 switch (ite_zargnum(ip))
1764 {
1765 case 0:
1766 if (ip->curx < ip->cols)
1767 ip->tabs[ip->curx] = 0;
1768 break;
1769 case 3:
1770 for (n = 0; n < ip->cols; n++)
1771 ip->tabs[n] = 0;
1772 break;
1773 }
1774 ip->escape = 0;
1775 return;
1776
1777
1778 case 'h': case 'l':
1779 n = ite_zargnum (ip);
1780 switch (n)
1781 {
1782 case 4:
1783 ip->imode = (c == 'h'); /* insert/replace mode */
1784 break;
1785 case 20:
1786 ip->linefeed_newline = (c == 'h');
1787 break;
1788 }
1789 ip->escape = 0;
1790 return;
1791
1792
1793 case 'M':
1794 ite_dnline (ip, ite_argnum (ip));
1795 ip->escape = 0;
1796 return;
1797
1798
1799 case 'L':
1800 ite_inline (ip, ite_argnum (ip));
1801 ip->escape = 0;
1802 return;
1803
1804
1805 case 'P':
1806 ite_dnchar (ip, ite_argnum (ip));
1807 ip->escape = 0;
1808 return;
1809
1810
1811 case '@':
1812 ite_inchar (ip, ite_argnum (ip));
1813 ip->escape = 0;
1814 return;
1815
1816
1817 case 'G':
1818 /* this one was *not* in my vt320 manual but in
1819 a vt320 termcap entry.. who is right?
1820 It's supposed to set the horizontal cursor position. */
1821 *ip->ap = 0;
1822 x = atoi (ip->argbuf);
1823 if (x) x--;
1824 ip->curx = min(x, ip->cols - 1);
1825 ip->escape = 0;
1826 SUBR_CURSOR(ip, MOVE_CURSOR);
1827 clr_attr (ip, ATTR_INV);
1828 return;
1829
1830
1831 case 'd':
1832 /* same thing here, this one's for setting the absolute
1833 vertical cursor position. Not documented... */
1834 *ip->ap = 0;
1835 y = atoi (ip->argbuf);
1836 if (y) y--;
1837 if (ip->inside_margins)
1838 y += ip->top_margin;
1839 ip->cury = min(y, ip->rows - 1);
1840 ip->escape = 0;
1841 snap_cury(ip);
1842 SUBR_CURSOR(ip, MOVE_CURSOR);
1843 clr_attr (ip, ATTR_INV);
1844 return;
1845
1846
1847 case 'H':
1848 case 'f':
1849 *ip->ap = 0;
1850 y = atoi (ip->argbuf);
1851 x = 0;
1852 cp = index (ip->argbuf, ';');
1853 if (cp)
1854 x = atoi (cp + 1);
1855 if (x) x--;
1856 if (y) y--;
1857 if (ip->inside_margins)
1858 y += ip->top_margin;
1859 ip->cury = min(y, ip->rows - 1);
1860 ip->curx = min(x, ip->cols - 1);
1861 ip->escape = 0;
1862 snap_cury(ip);
1863 SUBR_CURSOR(ip, MOVE_CURSOR);
1864 clr_attr (ip, ATTR_INV);
1865 return;
1866
1867 case 'A':
1868 n = ite_argnum (ip);
1869 n = ip->cury - (n ? n : 1);
1870 if (n < 0) n = 0;
1871 if (ip->inside_margins)
1872 n = max(ip->top_margin, n);
1873 else if (n == ip->top_margin - 1)
1874 /* allow scrolling outside region, but don't scroll out
1875 of active region without explicit CUP */
1876 n = ip->top_margin;
1877 ip->cury = n;
1878 ip->escape = 0;
1879 SUBR_CURSOR(ip, MOVE_CURSOR);
1880 clr_attr (ip, ATTR_INV);
1881 return;
1882
1883 case 'B':
1884 n = ite_argnum (ip);
1885 n = ip->cury + (n ? n : 1);
1886 n = min(ip->rows - 1, n);
1887 if (ip->inside_margins)
1888 n = min(ip->bottom_margin, n);
1889 else if (n == ip->bottom_margin + 1)
1890 /* allow scrolling outside region, but don't scroll out
1891 of active region without explicit CUP */
1892 n = ip->bottom_margin;
1893 ip->cury = n;
1894 ip->escape = 0;
1895 SUBR_CURSOR(ip, MOVE_CURSOR);
1896 clr_attr (ip, ATTR_INV);
1897 return;
1898
1899 case 'C':
1900 n = ite_argnum (ip);
1901 n = n ? n : 1;
1902 ip->curx = min(ip->curx + n, ip->cols - 1);
1903 ip->escape = 0;
1904 SUBR_CURSOR(ip, MOVE_CURSOR);
1905 clr_attr (ip, ATTR_INV);
1906 return;
1907
1908 case 'D':
1909 n = ite_argnum (ip);
1910 n = n ? n : 1;
1911 n = ip->curx - n;
1912 ip->curx = n >= 0 ? n : 0;
1913 ip->escape = 0;
1914 SUBR_CURSOR(ip, MOVE_CURSOR);
1915 clr_attr (ip, ATTR_INV);
1916 return;
1917
1918
1919
1920
1921 case 'J':
1922 *ip->ap = 0;
1923 n = ite_zargnum (ip);
1924 if (n == 0)
1925 ite_clrtoeos(ip);
1926 else if (n == 1)
1927 ite_clrtobos(ip);
1928 else if (n == 2)
1929 ite_clrscreen(ip);
1930 ip->escape = 0;
1931 return;
1932
1933
1934 case 'K':
1935 n = ite_zargnum (ip);
1936 if (n == 0)
1937 ite_clrtoeol(ip);
1938 else if (n == 1)
1939 ite_clrtobol(ip);
1940 else if (n == 2)
1941 ite_clrline(ip);
1942 ip->escape = 0;
1943 return;
1944
1945
1946 case 'X':
1947 n = ite_argnum(ip) - 1;
1948 n = min(n, ip->cols - 1 - ip->curx);
1949 for (; n >= 0; n--)
1950 {
1951 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1952 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1953 }
1954 ip->escape = 0;
1955 return;
1956
1957
1958 case '}': case '`':
1959 /* status line control */
1960 ip->escape = 0;
1961 return;
1962
1963
1964 case 'r':
1965 *ip->ap = 0;
1966 x = atoi (ip->argbuf);
1967 x = x ? x : 1;
1968 y = ip->rows;
1969 cp = index (ip->argbuf, ';');
1970 if (cp)
1971 {
1972 y = atoi (cp + 1);
1973 y = y ? y : ip->rows;
1974 }
1975 if (y - x < 2)
1976 {
1977 /* if illegal scrolling region, reset to defaults */
1978 x = 1;
1979 y = ip->rows;
1980 }
1981 x--;
1982 y--;
1983 ip->top_margin = min(x, ip->rows - 1);
1984 ip->bottom_margin = min(y, ip->rows - 1);
1985 if (ip->inside_margins)
1986 {
1987 ip->cury = ip->top_margin;
1988 ip->curx = 0;
1989 SUBR_CURSOR(ip, MOVE_CURSOR);
1990 }
1991 ip->escape = 0;
1992 return;
1993
1994
1995 case 'm':
1996 /* big attribute setter/resetter */
1997 {
1998 char *cp;
1999 *ip->ap = 0;
2000 /* kludge to make CSIm work (== CSI0m) */
2001 if (ip->ap == ip->argbuf)
2002 ip->ap++;
2003 for (cp = ip->argbuf; cp < ip->ap; )
2004 {
2005 switch (*cp)
2006 {
2007 case 0:
2008 case '0':
2009 clr_attr (ip, ATTR_ALL);
2010 cp++;
2011 break;
2012
2013 case '1':
2014 set_attr (ip, ATTR_BOLD);
2015 cp++;
2016 break;
2017
2018 case '2':
2019 switch (cp[1])
2020 {
2021 case '2':
2022 clr_attr (ip, ATTR_BOLD);
2023 cp += 2;
2024 break;
2025
2026 case '4':
2027 clr_attr (ip, ATTR_UL);
2028 cp += 2;
2029 break;
2030
2031 case '5':
2032 clr_attr (ip, ATTR_BLINK);
2033 cp += 2;
2034 break;
2035
2036 case '7':
2037 clr_attr (ip, ATTR_INV);
2038 cp += 2;
2039 break;
2040
2041 default:
2042 cp++;
2043 break;
2044 }
2045 break;
2046
2047 case '4':
2048 set_attr (ip, ATTR_UL);
2049 cp++;
2050 break;
2051
2052 case '5':
2053 set_attr (ip, ATTR_BLINK);
2054 cp++;
2055 break;
2056
2057 case '7':
2058 set_attr (ip, ATTR_INV);
2059 cp++;
2060 break;
2061
2062 default:
2063 cp++;
2064 break;
2065 }
2066 }
2067
2068 }
2069 ip->escape = 0;
2070 return;
2071
2072
2073 case 'u':
2074 /* DECRQTSR */
2075 ite_sendstr ("\033P\033\\");
2076 ip->escape = 0;
2077 return;
2078
2079
2080
2081 default:
2082 ip->escape = 0;
2083 return;
2084 }
2085 break;
2086
2087
2088
2089 case '?': /* CSI ? */
2090 switch (c)
2091 {
2092 case '0': case '1': case '2': case '3': case '4':
2093 case '5': case '6': case '7': case '8': case '9':
2094 case ';': case '\"': case '$':
2095 /* Don't fill the last character; it's needed. */
2096 /* XXX yeah, where ?? */
2097 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2098 *ip->ap++ = c;
2099 return;
2100
2101
2102 case 'n':
2103 *ip->ap = 0;
2104 if (ip->ap == &ip->argbuf[2])
2105 {
2106 if (! strncmp (ip->argbuf, "15", 2))
2107 /* printer status: no printer */
2108 ite_sendstr ("\033[13n");
2109
2110 else if (! strncmp (ip->argbuf, "25", 2))
2111 /* udk status */
2112 ite_sendstr ("\033[20n");
2113
2114 else if (! strncmp (ip->argbuf, "26", 2))
2115 /* keyboard dialect: US */
2116 ite_sendstr ("\033[27;1n");
2117 }
2118 ip->escape = 0;
2119 return;
2120
2121
2122 case 'h': case 'l':
2123 n = ite_zargnum (ip);
2124 switch (n)
2125 {
2126 case 1:
2127 ip->cursor_appmode = (c == 'h');
2128 break;
2129
2130 case 3:
2131 /* 132/80 columns (132 == 'h') */
2132 break;
2133
2134 case 4: /* smooth scroll */
2135 break;
2136
2137 case 5:
2138 /* light background (=='h') /dark background(=='l') */
2139 break;
2140
2141 case 6: /* origin mode */
2142 ip->inside_margins = (c == 'h');
2143 ip->curx = 0;
2144 ip->cury = ip->inside_margins ? ip->top_margin : 0;
2145 SUBR_CURSOR(ip, MOVE_CURSOR);
2146 break;
2147
2148 case 7: /* auto wraparound */
2149 ip->auto_wrap = (c == 'h');
2150 break;
2151
2152 case 8: /* keyboard repeat */
2153 ip->key_repeat = (c == 'h');
2154 break;
2155
2156 case 20: /* newline mode */
2157 ip->linefeed_newline = (c == 'h');
2158 break;
2159
2160 case 25: /* cursor on/off */
2161 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
2162 break;
2163 }
2164 ip->escape = 0;
2165 return;
2166
2167 default:
2168 ip->escape = 0;
2169 return;
2170 }
2171 break;
2172
2173
2174 default:
2175 ip->escape = 0;
2176 return;
2177 }
2178 }
2179
2180 switch (c) {
2181
2182 case VT: /* VT is treated like LF */
2183 case FF: /* so is FF */
2184 case LF:
2185 /* cr->crlf distinction is done here, on output,
2186 not on input! */
2187 if (ip->linefeed_newline)
2188 ite_crlf (ip);
2189 else
2190 ite_lf (ip);
2191 break;
2192
2193 case CR:
2194 ite_cr (ip);
2195 break;
2196
2197 case BS:
2198 if (--ip->curx < 0)
2199 ip->curx = 0;
2200 else
2201 SUBR_CURSOR(ip, MOVE_CURSOR);
2202 break;
2203
2204 case HT:
2205 for (n = ip->curx + 1; n < ip->cols; n++) {
2206 if (ip->tabs[n]) {
2207 ip->curx = n;
2208 SUBR_CURSOR(ip, MOVE_CURSOR);
2209 break;
2210 }
2211 }
2212 break;
2213
2214 case BEL:
2215 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2216 kbdbell();
2217 break;
2218
2219 case SO:
2220 ip->GL = ip->G1;
2221 break;
2222
2223 case SI:
2224 ip->GL = ip->G0;
2225 break;
2226
2227 case ENQ:
2228 /* send answer-back message !! */
2229 break;
2230
2231 case CAN:
2232 ip->escape = 0; /* cancel any escape sequence in progress */
2233 break;
2234
2235 case SUB:
2236 ip->escape = 0; /* dito, but see below */
2237 /* should also display a reverse question mark!! */
2238 break;
2239
2240 case ESC:
2241 ip->escape = ESC;
2242 break;
2243
2244
2245 /* now it gets weird.. 8bit control sequences.. */
2246 case IND: /* index: move cursor down, scroll */
2247 ite_lf (ip);
2248 break;
2249
2250 case NEL: /* next line. next line, first pos. */
2251 ite_crlf (ip);
2252 break;
2253
2254 case HTS: /* set horizontal tab */
2255 if (ip->curx < ip->cols)
2256 ip->tabs[ip->curx] = 1;
2257 break;
2258
2259 case RI: /* reverse index */
2260 ite_rlf (ip);
2261 break;
2262
2263 case SS2: /* go into G2 for one character */
2264 /* not yet supported */
2265 break;
2266
2267 case SS3: /* go into G3 for one character */
2268 break;
2269
2270 case DCS: /* device control string introducer */
2271 ip->escape = DCS;
2272 ip->ap = ip->argbuf;
2273 break;
2274
2275 case CSI: /* control sequence introducer */
2276 ip->escape = CSI;
2277 ip->ap = ip->argbuf;
2278 break;
2279
2280 case ST: /* string terminator */
2281 /* ignore, if not used as terminator */
2282 break;
2283
2284 case OSC: /* introduces OS command. Ignore everything upto ST */
2285 ip->escape = OSC;
2286 break;
2287
2288 case PM: /* privacy message, ignore everything upto ST */
2289 ip->escape = PM;
2290 break;
2291
2292 case APC: /* application program command, ignore everything upto ST */
2293 ip->escape = APC;
2294 break;
2295
2296 default:
2297 if (c < ' ' || c == DEL)
2298 break;
2299 if (ip->imode)
2300 ite_inchar(ip, 1);
2301 iteprecheckwrap(ip);
2302 #ifdef DO_WEIRD_ATTRIBUTES
2303 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2304 attrset(ip, ATTR_INV);
2305 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2306 }
2307 else
2308 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2309 #else
2310 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2311 #endif
2312 SUBR_CURSOR(ip, DRAW_CURSOR);
2313 itecheckwrap(ip);
2314 break;
2315 }
2316 }
2317
2318 static void
2319 iteprecheckwrap(ip)
2320 struct ite_softc *ip;
2321 {
2322 if (ip->auto_wrap && ip->curx == ip->cols) {
2323 ip->curx = 0;
2324 clr_attr(ip, ATTR_INV);
2325 if (++ip->cury >= ip->bottom_margin + 1) {
2326 ip->cury = ip->bottom_margin;
2327 SUBR_CURSOR(ip, MOVE_CURSOR);
2328 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2329 ite_clrtoeol(ip);
2330 } else
2331 SUBR_CURSOR(ip, MOVE_CURSOR);
2332 }
2333 }
2334
2335 static void
2336 itecheckwrap(ip)
2337 struct ite_softc *ip;
2338 {
2339 if (ip->curx < ip->cols) {
2340 ip->curx++;
2341 SUBR_CURSOR(ip, MOVE_CURSOR);
2342 }
2343 }
2344