ite.c revision 1.38 1 /* $NetBSD: ite.c,v 1.38 1996/03/17 05:58:48 mhitch 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 * @(#)ite.c 7.6 (Berkeley) 5/16/91
42 */
43
44 /*
45 * ite - bitmaped 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 #include <amiga/amiga/cc.h>
62 #include <amiga/amiga/kdassert.h>
63 #include <amiga/amiga/color.h> /* DEBUG */
64 #include <amiga/amiga/device.h>
65 #include <amiga/amiga/isr.h>
66 #include <amiga/dev/iteioctl.h>
67 #include <amiga/dev/itevar.h>
68 #include <amiga/dev/kbdmap.h>
69 #include <amiga/dev/grfioctl.h>
70 #include <amiga/dev/grfvar.h>
71
72 #include "grfcc.h"
73
74 /*
75 * XXX go ask sys/kern/tty.c:ttselect()
76 */
77
78 #define ITEUNIT(dev) (minor(dev))
79
80 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
81 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
82 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
83 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
84 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
85 #define SUBR_SCROLL(ip,sy,sx,count,dir) \
86 (ip)->grf->g_itescroll(ip,sy,sx,count,dir)
87
88 u_int ite_confunits; /* configured units */
89
90 int start_repeat_timeo = 30; /* first repeat after x s/100 */
91 int next_repeat_timeo = 10; /* next repeat after x s/100 */
92
93 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
94
95 struct ite_softc con_itesoftc;
96 u_char cons_tabs[MAX_TABS];
97
98 struct ite_softc *kbd_ite;
99 int kbd_init;
100
101 /* audio bell stuff */
102 u_int bvolume = 10;
103 u_int bpitch = 660;
104 u_int bmsec = 75;
105
106 static char *bsamplep;
107 static char sample[20] = {
108 0,39,75,103,121,127,121,103,75,39,0,
109 -39,-75,-103,-121,-127,-121,-103,-75,-39
110 };
111
112 static char *index __P((const char *, char));
113 static void ite_sifilter __P((void *, void *));
114 void iteputchar __P((int c, struct ite_softc *ip));
115 void ite_putstr __P((const char * s, int len, dev_t dev));
116 void iteattach __P((struct device *, struct device *, void *));
117 int itematch __P((struct device *, void *, void *));
118 static void iteprecheckwrap __P((struct ite_softc *));
119 static void itecheckwrap __P((struct ite_softc *));
120
121 struct cfattach ite_ca = {
122 sizeof(struct ite_softc), itematch, iteattach
123 };
124
125 struct cfdriver ite_cd = {
126 NULL, "ite", DV_DULL, NULL, 0
127 };
128
129 int
130 itematch(pdp, match, auxp)
131 struct device *pdp;
132 void *match, *auxp;
133 {
134 struct cfdata *cdp = match;
135 struct grf_softc *gp;
136 int maj;
137
138 gp = auxp;
139 /*
140 * all that our mask allows (more than enough no one
141 * has > 32 monitors for text consoles on one machine)
142 */
143 if (cdp->cf_unit >= sizeof(ite_confunits) * NBBY)
144 return(0);
145 /*
146 * XXX
147 * normally this would be done in attach, however
148 * during early init we do not have a device pointer
149 * and thus no unit number.
150 */
151 for(maj = 0; maj < nchrdev; maj++)
152 if (cdevsw[maj].d_open == iteopen)
153 break;
154 gp->g_itedev = makedev(maj, cdp->cf_unit);
155 return(1);
156 }
157
158 void
159 iteattach(pdp, dp, auxp)
160 struct device *pdp, *dp;
161 void *auxp;
162 {
163 struct grf_softc *gp;
164 struct ite_softc *ip;
165 int s;
166
167 gp = (struct grf_softc *)auxp;
168
169 /*
170 * mark unit as attached (XXX see itematch)
171 */
172 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
173
174 if (dp) {
175 ip = (struct ite_softc *)dp;
176
177 s = spltty();
178 if (con_itesoftc.grf != NULL &&
179 con_itesoftc.grf->g_unit == gp->g_unit) {
180 /*
181 * console reinit copy params over.
182 * and console always gets keyboard
183 */
184 bcopy(&con_itesoftc.grf, &ip->grf,
185 (char *)&ip[1] - (char *)&ip->grf);
186 con_itesoftc.grf = NULL;
187 kbd_ite = ip;
188 }
189 ip->grf = gp;
190 splx(s);
191
192 alloc_sicallback();
193 iteinit(gp->g_itedev);
194 printf(": rows %d cols %d", ip->rows, ip->cols);
195 printf(" repeat at (%d/100)s next at (%d/100)s",
196 start_repeat_timeo, next_repeat_timeo);
197
198 if (kbd_ite == NULL)
199 kbd_ite = ip;
200 if (kbd_ite == ip)
201 printf(" has keyboard");
202 printf("\n");
203 } else {
204 if (con_itesoftc.grf != NULL &&
205 con_itesoftc.grf->g_conpri > gp->g_conpri)
206 return;
207 con_itesoftc.grf = gp;
208 con_itesoftc.tabs = cons_tabs;
209 }
210 }
211
212 struct ite_softc *
213 getitesp(dev)
214 dev_t dev;
215 {
216 if (amiga_realconfig && con_itesoftc.grf == NULL)
217 return(ite_cd.cd_devs[ITEUNIT(dev)]);
218
219 if (con_itesoftc.grf == NULL)
220 panic("no ite_softc for console");
221 return(&con_itesoftc);
222 }
223
224 /*
225 * cons.c entry points into ite device.
226 */
227
228 /*
229 * Return a priority in consdev->cn_pri field highest wins. This function
230 * is called before any devices have been probed.
231 */
232 void
233 itecnprobe(cd)
234 struct consdev *cd;
235 {
236 /*
237 * bring graphics layer up.
238 */
239 config_console();
240
241 /*
242 * return priority of the best ite (already picked from attach)
243 * or CN_DEAD.
244 */
245 if (con_itesoftc.grf == NULL)
246 cd->cn_pri = CN_DEAD;
247 else {
248 cd->cn_pri = con_itesoftc.grf->g_conpri;
249 cd->cn_dev = con_itesoftc.grf->g_itedev;
250 }
251 }
252
253 /* audio bell stuff */
254 void
255 init_bell()
256 {
257 if (bsamplep != NULL)
258 return;
259 bsamplep = alloc_chipmem(20);
260 if (bsamplep == NULL)
261 panic("no chipmem for ite_bell");
262
263 bcopy(sample, bsamplep, 20);
264 }
265
266 void
267 ite_bell()
268 {
269 u_int clock;
270 u_int period;
271 u_int count;
272
273 clock = 3579545; /* PAL 3546895 */
274
275 /*
276 * the number of clock ticks per sample byte must be > 124
277 * ergo bpitch must be < clock / 124*20
278 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously
279 */
280 period = clock / (bpitch * 20);
281 count = bmsec * bpitch / 1000;
282
283 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count);
284 }
285
286 void
287 itecninit(cd)
288 struct consdev *cd;
289 {
290 struct ite_softc *ip;
291
292 ip = getitesp(cd->cn_dev);
293 iteinit(cd->cn_dev);
294 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
295
296 init_bell();
297 }
298
299 /*
300 * ite_cnfinish() is called in ite_init() when the device is
301 * being probed in the normal fasion, thus we can finish setting
302 * up this ite now that the system is more functional.
303 */
304 void
305 ite_cnfinish(ip)
306 struct ite_softc *ip;
307 {
308 static int done;
309
310 if (done)
311 return;
312 done = 1;
313 }
314
315 int
316 itecngetc(dev)
317 dev_t dev;
318 {
319 int c;
320
321 /* XXX this should be moved */
322 if (!kbd_init) {
323 kbd_init = 1;
324 kbdenable();
325 }
326 do {
327 c = kbdgetcn();
328 c = ite_cnfilter(c, ITEFILT_CONSOLE);
329 } while (c == -1);
330 return (c);
331 }
332
333 void
334 itecnputc(dev, c)
335 dev_t dev;
336 int c;
337 {
338 static int paniced;
339 struct ite_softc *ip;
340 char ch;
341
342 ip = getitesp(dev);
343 ch = c;
344
345 if (panicstr && !paniced &&
346 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
347 (void)ite_on(dev, 3);
348 paniced = 1;
349 }
350 iteputchar(ch, ip);
351 }
352
353 void
354 itecnpollc(dev, on)
355 dev_t dev;
356 int on;
357 {
358
359 }
360
361 /*
362 * standard entry points to the device.
363 */
364
365 /*
366 * iteinit() is the standard entry point for initialization of
367 * an ite device, it is also called from ite_cninit().
368 *
369 */
370 void
371 iteinit(dev)
372 dev_t dev;
373 {
374 struct ite_softc *ip;
375
376 ip = getitesp(dev);
377 if (ip->flags & ITE_INITED)
378 return;
379 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
380
381 ip->cursorx = 0;
382 ip->cursory = 0;
383 SUBR_INIT(ip);
384 SUBR_CURSOR(ip, DRAW_CURSOR);
385 if (ip->tabs == NULL)
386 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
387 ite_reset(ip);
388 ip->flags |= ITE_INITED;
389 }
390
391 int
392 iteopen(dev, mode, devtype, p)
393 dev_t dev;
394 int mode, devtype;
395 struct proc *p;
396 {
397 struct ite_softc *ip;
398 struct tty *tp;
399 int error, first, unit;
400
401 unit = ITEUNIT(dev);
402 first = 0;
403
404 if (((1 << unit) & ite_confunits) == 0)
405 return (ENXIO);
406
407 ip = getitesp(dev);
408
409 if (ip->tp == NULL)
410 tp = ip->tp = ttymalloc();
411 else
412 tp = ip->tp;
413 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
414 && p->p_ucred->cr_uid != 0)
415 return (EBUSY);
416 if ((ip->flags & ITE_ACTIVE) == 0) {
417 error = ite_on(dev, 0);
418 if (error)
419 return (error);
420 first = 1;
421 }
422 tp->t_oproc = itestart;
423 tp->t_param = ite_param;
424 tp->t_dev = dev;
425 if ((tp->t_state & TS_ISOPEN) == 0) {
426 ttychars(tp);
427 tp->t_iflag = TTYDEF_IFLAG;
428 tp->t_oflag = TTYDEF_OFLAG;
429 tp->t_cflag = TTYDEF_CFLAG;
430 tp->t_lflag = TTYDEF_LFLAG;
431 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
432 tp->t_state = TS_WOPEN | TS_CARR_ON;
433 ttsetwater(tp);
434 }
435 error = (*linesw[tp->t_line].l_open) (dev, tp);
436 if (error == 0) {
437 tp->t_winsize.ws_row = ip->rows;
438 tp->t_winsize.ws_col = ip->cols;
439 if (!kbd_init) {
440 kbd_init = 1;
441 kbdenable();
442 }
443 } else if (first)
444 ite_off(dev, 0);
445 return (error);
446 }
447
448 int
449 iteclose(dev, flag, mode, p)
450 dev_t dev;
451 int flag, mode;
452 struct proc *p;
453 {
454 struct tty *tp;
455
456 tp = getitesp(dev)->tp;
457
458 KDASSERT(tp);
459 (*linesw[tp->t_line].l_close) (tp, flag);
460 ttyclose(tp);
461 ite_off(dev, 0);
462 return (0);
463 }
464
465 int
466 iteread(dev, uio, flag)
467 dev_t dev;
468 struct uio *uio;
469 int flag;
470 {
471 struct tty *tp;
472
473 tp = getitesp(dev)->tp;
474
475 KDASSERT(tp);
476 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
477 }
478
479 int
480 itewrite(dev, uio, flag)
481 dev_t dev;
482 struct uio *uio;
483 int flag;
484 {
485 struct tty *tp;
486
487 tp = getitesp(dev)->tp;
488
489 KDASSERT(tp);
490 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
491 }
492
493 struct tty *
494 itetty(dev)
495 dev_t dev;
496 {
497 return (getitesp(dev)->tp);
498 }
499
500 int
501 itestop(tp, flag)
502 struct tty *tp;
503 int flag;
504 {
505 return (0);
506 }
507
508 int
509 iteioctl(dev, cmd, addr, flag, p)
510 dev_t dev;
511 u_long cmd;
512 caddr_t addr;
513 int flag;
514 struct proc *p;
515 {
516 struct iterepeat *irp;
517 struct ite_softc *ip;
518 struct itebell *ib;
519 struct tty *tp;
520 int error;
521
522 ip = getitesp(dev);
523 tp = ip->tp;
524
525 KDASSERT(tp);
526
527 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, addr, flag, p);
528 if (error >= 0)
529 return (error);
530 error = ttioctl(tp, cmd, addr, flag, p);
531 if (error >= 0)
532 return (error);
533
534 switch (cmd) {
535 case ITEIOCGBELL:
536 ib = (struct itebell *)addr;
537 ib->volume = bvolume;
538 ib->pitch = bpitch;
539 ib->msec = bmsec;
540 return (0);
541 case ITEIOCSBELL:
542 ib = (struct itebell *)addr;
543
544 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH ||
545 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME)
546 return (EINVAL);
547 bvolume = ib->volume;
548 bpitch = ib->pitch;
549 bmsec = ib->msec;
550 return (0);
551 case ITEIOCSKMAP:
552 if (addr == 0)
553 return(EFAULT);
554 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
555 return(0);
556 case ITEIOCGKMAP:
557 if (addr == NULL)
558 return(EFAULT);
559 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
560 return(0);
561 case ITEIOCGREPT:
562 irp = (struct iterepeat *)addr;
563 irp->start = start_repeat_timeo;
564 irp->next = next_repeat_timeo;
565 return (0);
566 case ITEIOCSREPT:
567 irp = (struct iterepeat *)addr;
568 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
569 return(EINVAL);
570 start_repeat_timeo = irp->start;
571 next_repeat_timeo = irp->next;
572 return(0);
573 }
574 #if NGRFCC > 0
575 /* XXX */
576 if (minor(dev) == 0) {
577 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
578 if (error >= 0)
579 return (error);
580 }
581 #endif
582 return (ENOTTY);
583 }
584
585 void
586 itestart(tp)
587 struct tty *tp;
588 {
589 struct clist *rbp;
590 struct ite_softc *ip;
591 u_char buf[ITEBURST];
592 int s, len;
593
594 ip = getitesp(tp->t_dev);
595
596 KDASSERT(tp);
597
598 s = spltty(); {
599 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
600 goto out;
601
602 tp->t_state |= TS_BUSY;
603 rbp = &tp->t_outq;
604
605 len = q_to_b(rbp, buf, ITEBURST);
606 } splx(s);
607
608 /* Here is a really good place to implement pre/jumpscroll() */
609 ite_putstr(buf, len, tp->t_dev);
610
611 s = spltty(); {
612 tp->t_state &= ~TS_BUSY;
613 /* we have characters remaining. */
614 if (rbp->c_cc) {
615 tp->t_state |= TS_TIMEOUT;
616 timeout(ttrstrt, tp, 1);
617 }
618 /* wakeup we are below */
619 if (rbp->c_cc <= tp->t_lowat) {
620 if (tp->t_state & TS_ASLEEP) {
621 tp->t_state &= ~TS_ASLEEP;
622 wakeup((caddr_t) rbp);
623 }
624 selwakeup(&tp->t_wsel);
625 }
626 out:
627 } splx(s);
628 }
629
630 int
631 ite_on(dev, flag)
632 dev_t dev;
633 int flag;
634 {
635 struct ite_softc *ip;
636 int unit;
637
638 unit = ITEUNIT(dev);
639 if (((1 << unit) & ite_confunits) == 0)
640 return (ENXIO);
641
642 ip = getitesp(dev);
643
644 /* force ite active, overriding graphics mode */
645 if (flag & 1) {
646 ip->flags |= ITE_ACTIVE;
647 ip->flags &= ~(ITE_INGRF | ITE_INITED);
648 }
649 /* leave graphics mode */
650 if (flag & 2) {
651 ip->flags &= ~ITE_INGRF;
652 if ((ip->flags & ITE_ACTIVE) == 0)
653 return (0);
654 }
655 ip->flags |= ITE_ACTIVE;
656 if (ip->flags & ITE_INGRF)
657 return (0);
658 iteinit(dev);
659 return (0);
660 }
661
662 void
663 ite_off(dev, flag)
664 dev_t dev;
665 int flag;
666 {
667 struct ite_softc *ip;
668
669 ip = getitesp(dev);
670 if (flag & 2)
671 ip->flags |= ITE_INGRF;
672 if ((ip->flags & ITE_ACTIVE) == 0)
673 return;
674 if ((flag & 1) ||
675 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
676 SUBR_DEINIT(ip);
677 /* XXX hmm grfon() I think wants this to go inactive. */
678 if ((flag & 2) == 0)
679 ip->flags &= ~ITE_ACTIVE;
680 }
681
682 /* XXX called after changes made in underlying grf layer. */
683 /* I want to nuke this */
684 void
685 ite_reinit(dev)
686 dev_t dev;
687 {
688 struct ite_softc *ip;
689
690 ip = getitesp(dev);
691 ip->flags &= ~ITE_INITED;
692 iteinit(dev);
693 }
694
695 int
696 ite_param(tp, t)
697 struct tty *tp;
698 struct termios *t;
699 {
700 tp->t_ispeed = t->c_ispeed;
701 tp->t_ospeed = t->c_ospeed;
702 tp->t_cflag = t->c_cflag;
703 return (0);
704 }
705
706 void
707 ite_reset(ip)
708 struct ite_softc *ip;
709 {
710 int i;
711
712 ip->curx = 0;
713 ip->cury = 0;
714 ip->attribute = ATTR_NOR;
715 ip->save_curx = 0;
716 ip->save_cury = 0;
717 ip->save_attribute = ATTR_NOR;
718 ip->ap = ip->argbuf;
719 ip->emul_level = 0;
720 ip->eightbit_C1 = 0;
721 ip->top_margin = 0;
722 ip->bottom_margin = ip->rows - 1;
723 ip->inside_margins = 0;
724 ip->linefeed_newline = 0;
725 ip->auto_wrap = ite_default_wrap;
726 ip->cursor_appmode = 0;
727 ip->keypad_appmode = 0;
728 ip->imode = 0;
729 ip->key_repeat = 1;
730 bzero(ip->tabs, ip->cols);
731 for (i = 0; i < ip->cols; i++)
732 ip->tabs[i] = ((i & 7) == 0);
733 }
734
735 /*
736 * has to be global becuase of the shared filters.
737 */
738 static u_char key_mod;
739 static u_char last_dead;
740
741 /* Used in console at startup only */
742 int
743 ite_cnfilter(c, caller)
744 u_char c;
745 enum caller caller;
746 {
747 struct key key;
748 u_char code, up, mask;
749 int s, i;
750
751 up = c & 0x80 ? 1 : 0;
752 c &= 0x7f;
753 code = 0;
754
755 s = spltty();
756
757 i = (int)c - KBD_LEFT_SHIFT;
758 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
759 mask = 1 << i;
760 if (up)
761 key_mod &= ~mask;
762 else
763 key_mod |= mask;
764 splx(s);
765 return -1;
766 }
767
768 if (up) {
769 splx(s);
770 return -1;
771 }
772
773 /* translate modifiers */
774 if (key_mod & KBD_MOD_SHIFT) {
775 if (key_mod & KBD_MOD_ALT)
776 key = kbdmap.alt_shift_keys[c];
777 else
778 key = kbdmap.shift_keys[c];
779 } else if (key_mod & KBD_MOD_ALT)
780 key = kbdmap.alt_keys[c];
781 else {
782 key = kbdmap.keys[c];
783 /* if CAPS and key is CAPable (no pun intended) */
784 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
785 key = kbdmap.shift_keys[c];
786 }
787 code = key.code;
788
789 /* if string return */
790 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
791 splx(s);
792 return -1;
793 }
794 /* handle dead keys */
795 if (key.mode & KBD_MODE_DEAD) {
796 /* if entered twice, send accent itself */
797 if (last_dead == key.mode & KBD_MODE_ACCMASK)
798 last_dead = 0;
799 else {
800 last_dead = key.mode & KBD_MODE_ACCMASK;
801 splx(s);
802 return -1;
803 }
804 }
805 if (last_dead) {
806 /* can't apply dead flag to string-keys */
807 if (code >= '@' && code < 0x7f)
808 code =
809 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
810 last_dead = 0;
811 }
812 if (key_mod & KBD_MOD_CTRL)
813 code &= 0x1f;
814 if (key_mod & KBD_MOD_META)
815 code |= 0x80;
816
817 /* do console mapping. */
818 code = code == '\r' ? '\n' : code;
819
820 splx(s);
821 return (code);
822 }
823
824 /* And now the old stuff. */
825
826 /* these are used to implement repeating keys.. */
827 static u_char last_char;
828 static u_char tout_pending;
829
830
831 static void
832 ite_sifilter(void *arg1, void *arg2)
833 {
834 ite_filter((u_char)(size_t)arg1, (enum caller)(size_t)arg2);
835 }
836
837
838 /*ARGSUSED*/
839 static void
840 repeat_handler(arg)
841 void *arg;
842 {
843 tout_pending = 0;
844 if (last_char)
845 add_sicallback(ite_sifilter, (void *)(size_t)last_char,
846 (void *)(size_t)ITEFILT_REPEATER);
847 }
848
849 void
850 ite_filter(c, caller)
851 u_char c;
852 enum caller caller;
853 {
854 struct tty *kbd_tty;
855 u_char code, *str, up, mask;
856 struct key key;
857 int s, i;
858
859 if (kbd_ite == NULL || kbd_ite->tp == NULL)
860 return;
861
862 kbd_tty = kbd_ite->tp;
863
864 /* have to make sure we're at spltty in here */
865 s = spltty();
866
867 /*
868 * keyboard interrupts come at priority 2, while softint
869 * generated keyboard-repeat interrupts come at level 1. So,
870 * to not allow a key-up event to get thru before a repeat for
871 * the key-down, we remove any outstanding callout requests..
872 */
873 rem_sicallback(ite_sifilter);
874
875 up = c & 0x80 ? 1 : 0;
876 c &= 0x7f;
877 code = 0;
878
879 i = (int)c - KBD_LEFT_SHIFT;
880 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
881 mask = 1 << i;
882 if (up)
883 key_mod &= ~mask;
884 else
885 key_mod |= mask;
886 splx(s);
887 return;
888 }
889 /* stop repeating on up event */
890 if (up) {
891 if (tout_pending) {
892 untimeout(repeat_handler, 0);
893 tout_pending = 0;
894 last_char = 0;
895 }
896 splx(s);
897 return;
898 } else if (tout_pending && last_char != c) {
899 /* different character, stop also */
900 untimeout(repeat_handler, 0);
901 tout_pending = 0;
902 last_char = 0;
903 }
904 /* Safety button, switch back to ascii keymap. */
905 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
906 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
907
908 splx(s);
909 return;
910 #ifdef DDB
911 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
912 Debugger();
913 splx(s);
914 return;
915 #endif
916 }
917 /* translate modifiers */
918 if (key_mod & KBD_MOD_SHIFT) {
919 if (key_mod & KBD_MOD_ALT)
920 key = kbdmap.alt_shift_keys[c];
921 else
922 key = kbdmap.shift_keys[c];
923 } else if (key_mod & KBD_MOD_ALT)
924 key = kbdmap.alt_keys[c];
925 else {
926 key = kbdmap.keys[c];
927 /* if CAPS and key is CAPable (no pun intended) */
928 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
929 key = kbdmap.shift_keys[c];
930 }
931 code = key.code;
932
933 /*
934 * arrange to repeat the keystroke. By doing this at the level
935 * of scan-codes, we can have function keys, and keys that
936 * send strings, repeat too. This also entitles an additional
937 * overhead, since we have to do the conversion each time, but
938 * I guess that's ok.
939 */
940 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
941 tout_pending = 1;
942 last_char = c;
943 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100);
944 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
945 kbd_ite->key_repeat) {
946 tout_pending = 1;
947 last_char = c;
948 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100);
949 }
950 /* handle dead keys */
951 if (key.mode & KBD_MODE_DEAD) {
952 /* if entered twice, send accent itself */
953 if (last_dead == key.mode & KBD_MODE_ACCMASK)
954 last_dead = 0;
955 else {
956 last_dead = key.mode & KBD_MODE_ACCMASK;
957 splx(s);
958 return;
959 }
960 }
961 if (last_dead) {
962 /* can't apply dead flag to string-keys */
963 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
964 code < 0x7f)
965 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
966 last_dead = 0;
967 }
968 /* if not string, apply META and CTRL modifiers */
969 if (!(key.mode & KBD_MODE_STRING)
970 && (!(key.mode & KBD_MODE_KPAD) ||
971 (kbd_ite && !kbd_ite->keypad_appmode))) {
972 if (key_mod & KBD_MOD_CTRL)
973 code &= 0x1f;
974 if (key_mod & KBD_MOD_META)
975 code |= 0x80;
976 } else if ((key.mode & KBD_MODE_KPAD) &&
977 (kbd_ite && kbd_ite->keypad_appmode)) {
978 static char in[] = {
979 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */,
980 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */,
981 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */,
982 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */,
983 0x5c /* / */, 0x5d /* * */
984 };
985 static char *out = "pqrstuvwxymlnMPQRS";
986 char *cp = index (in, c);
987
988 /*
989 * keypad-appmode sends SS3 followed by the above
990 * translated character
991 */
992 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
993 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty);
994 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
995 splx(s);
996 return;
997 } else {
998 /* *NO* I don't like this.... */
999 static u_char app_cursor[] =
1000 {
1001 3, 27, 'O', 'A',
1002 3, 27, 'O', 'B',
1003 3, 27, 'O', 'C',
1004 3, 27, 'O', 'D'};
1005
1006 str = kbdmap.strings + code;
1007 /*
1008 * if this is a cursor key, AND it has the default
1009 * keymap setting, AND we're in app-cursor mode, switch
1010 * to the above table. This is *nasty* !
1011 */
1012 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
1013 && !bcmp(str, "\x03\x1b[", 3) &&
1014 index("ABCD", str[3]))
1015 str = app_cursor + 4 * (str[3] - 'A');
1016
1017 /*
1018 * using a length-byte instead of 0-termination allows
1019 * to embed \0 into strings, although this is not used
1020 * in the default keymap
1021 */
1022 for (i = *str++; i; i--)
1023 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1024 splx(s);
1025 return;
1026 }
1027 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
1028
1029 splx(s);
1030 return;
1031 }
1032
1033 /* helper functions, makes the code below more readable */
1034 inline static void
1035 ite_sendstr(str)
1036 char *str;
1037 {
1038 struct tty *kbd_tty;
1039
1040 kbd_tty = kbd_ite->tp;
1041 KDASSERT(kbd_tty);
1042 while (*str)
1043 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1044 }
1045
1046 static void
1047 alignment_display(ip)
1048 struct ite_softc *ip;
1049 {
1050 int i, j;
1051
1052 for (j = 0; j < ip->rows; j++)
1053 for (i = 0; i < ip->cols; i++)
1054 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1055 attrclr(ip, 0, 0, ip->rows, ip->cols);
1056 SUBR_CURSOR(ip, DRAW_CURSOR);
1057 }
1058
1059 inline static void
1060 snap_cury(ip)
1061 struct ite_softc *ip;
1062 {
1063 if (ip->inside_margins)
1064 {
1065 if (ip->cury < ip->top_margin)
1066 ip->cury = ip->top_margin;
1067 if (ip->cury > ip->bottom_margin)
1068 ip->cury = ip->bottom_margin;
1069 }
1070 }
1071
1072 inline static void
1073 ite_dnchar(ip, n)
1074 struct ite_softc *ip;
1075 int n;
1076 {
1077 n = min(n, ip->cols - ip->curx);
1078 if (n < ip->cols - ip->curx)
1079 {
1080 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1081 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1082 1, ip->cols - ip->curx - n);
1083 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1084 }
1085 while (n-- > 0)
1086 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1087 SUBR_CURSOR(ip, DRAW_CURSOR);
1088 }
1089
1090 inline static void
1091 ite_inchar(ip, n)
1092 struct ite_softc *ip;
1093 int n;
1094 {
1095 n = min(n, ip->cols - ip->curx);
1096 if (n < ip->cols - ip->curx)
1097 {
1098 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1099 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1100 1, ip->cols - ip->curx - n);
1101 attrclr(ip, ip->cury, ip->curx, 1, n);
1102 }
1103 while (n--)
1104 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1105 SUBR_CURSOR(ip, DRAW_CURSOR);
1106 }
1107
1108 inline static void
1109 ite_clrtoeol(ip)
1110 struct ite_softc *ip;
1111 {
1112 int y = ip->cury, x = ip->curx;
1113 if (ip->cols - x > 0)
1114 {
1115 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1116 attrclr(ip, y, x, 1, ip->cols - x);
1117 SUBR_CURSOR(ip, DRAW_CURSOR);
1118 }
1119 }
1120
1121 inline static void
1122 ite_clrtobol(ip)
1123 struct ite_softc *ip;
1124 {
1125 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1126 SUBR_CLEAR(ip, y, 0, 1, x);
1127 attrclr(ip, y, 0, 1, x);
1128 SUBR_CURSOR(ip, DRAW_CURSOR);
1129 }
1130
1131 inline static void
1132 ite_clrline(ip)
1133 struct ite_softc *ip;
1134 {
1135 int y = ip->cury;
1136 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1137 attrclr(ip, y, 0, 1, ip->cols);
1138 SUBR_CURSOR(ip, DRAW_CURSOR);
1139 }
1140
1141
1142
1143 inline static void
1144 ite_clrtoeos(ip)
1145 struct ite_softc *ip;
1146 {
1147 ite_clrtoeol(ip);
1148 if (ip->cury < ip->rows - 1)
1149 {
1150 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1151 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1152 SUBR_CURSOR(ip, DRAW_CURSOR);
1153 }
1154 }
1155
1156 inline static void
1157 ite_clrtobos(ip)
1158 struct ite_softc *ip;
1159 {
1160 ite_clrtobol(ip);
1161 if (ip->cury > 0)
1162 {
1163 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1164 attrclr(ip, 0, 0, ip->cury, ip->cols);
1165 SUBR_CURSOR(ip, DRAW_CURSOR);
1166 }
1167 }
1168
1169 inline static void
1170 ite_clrscreen(ip)
1171 struct ite_softc *ip;
1172 {
1173 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1174 attrclr(ip, 0, 0, ip->rows, ip->cols);
1175 SUBR_CURSOR(ip, DRAW_CURSOR);
1176 }
1177
1178
1179
1180 inline static void
1181 ite_dnline(ip, n)
1182 struct ite_softc *ip;
1183 int n;
1184 {
1185 /* interesting.. if the cursor is outside the scrolling
1186 region, this command is simply ignored.. */
1187 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1188 return;
1189
1190 n = min(n, ip->bottom_margin + 1 - ip->cury);
1191 if (n <= ip->bottom_margin - ip->cury)
1192 {
1193 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1194 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1195 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1196 }
1197 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1198 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1199 SUBR_CURSOR(ip, DRAW_CURSOR);
1200 }
1201
1202 inline static void
1203 ite_inline(ip, n)
1204 struct ite_softc *ip;
1205 int n;
1206 {
1207 /* interesting.. if the cursor is outside the scrolling
1208 region, this command is simply ignored.. */
1209 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1210 return;
1211
1212 n = min(n, ip->bottom_margin + 1 - ip->cury);
1213 if (n <= ip->bottom_margin - ip->cury)
1214 {
1215 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1216 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1217 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1218 }
1219 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1220 attrclr(ip, ip->cury, 0, n, ip->cols);
1221 SUBR_CURSOR(ip, DRAW_CURSOR);
1222 }
1223
1224 inline static void
1225 ite_lf (ip)
1226 struct ite_softc *ip;
1227 {
1228 ++ip->cury;
1229 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1230 {
1231 ip->cury--;
1232 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1233 ite_clrline(ip);
1234 }
1235 SUBR_CURSOR(ip, MOVE_CURSOR);
1236 clr_attr(ip, ATTR_INV);
1237 }
1238
1239 inline static void
1240 ite_crlf (ip)
1241 struct ite_softc *ip;
1242 {
1243 ip->curx = 0;
1244 ite_lf (ip);
1245 }
1246
1247 inline static void
1248 ite_cr (ip)
1249 struct ite_softc *ip;
1250 {
1251 if (ip->curx)
1252 {
1253 ip->curx = 0;
1254 SUBR_CURSOR(ip, MOVE_CURSOR);
1255 }
1256 }
1257
1258 inline static void
1259 ite_rlf (ip)
1260 struct ite_softc *ip;
1261 {
1262 ip->cury--;
1263 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1264 {
1265 ip->cury++;
1266 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1267 ite_clrline(ip);
1268 }
1269 SUBR_CURSOR(ip, MOVE_CURSOR);
1270 clr_attr(ip, ATTR_INV);
1271 }
1272
1273 inline static int
1274 atoi (cp)
1275 const char *cp;
1276 {
1277 int n;
1278
1279 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1280 n = n * 10 + *cp - '0';
1281
1282 return n;
1283 }
1284
1285 static char *
1286 index (cp, ch)
1287 const char *cp;
1288 char ch;
1289 {
1290 while (*cp && *cp != ch) cp++;
1291 return *cp ? (char *) cp : 0;
1292 }
1293
1294
1295
1296 inline static int
1297 ite_argnum (ip)
1298 struct ite_softc *ip;
1299 {
1300 char ch;
1301 int n;
1302
1303 /* convert argument string into number */
1304 if (ip->ap == ip->argbuf)
1305 return 1;
1306 ch = *ip->ap;
1307 *ip->ap = 0;
1308 n = atoi (ip->argbuf);
1309 *ip->ap = ch;
1310
1311 return n;
1312 }
1313
1314 inline static int
1315 ite_zargnum (ip)
1316 struct ite_softc *ip;
1317 {
1318 char ch;
1319 int n;
1320
1321 /* convert argument string into number */
1322 if (ip->ap == ip->argbuf)
1323 return 0;
1324 ch = *ip->ap;
1325 *ip->ap = 0;
1326 n = atoi (ip->argbuf);
1327 *ip->ap = ch;
1328
1329 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1330 }
1331
1332 void
1333 ite_putstr(s, len, dev)
1334 const char *s;
1335 int len;
1336 dev_t dev;
1337 {
1338 struct ite_softc *ip;
1339 int i;
1340
1341 ip = getitesp(dev);
1342
1343 /* XXX avoid problems */
1344 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1345 return;
1346
1347 SUBR_CURSOR(ip, START_CURSOROPT);
1348 for (i = 0; i < len; i++)
1349 if (s[i])
1350 iteputchar(s[i], ip);
1351 SUBR_CURSOR(ip, END_CURSOROPT);
1352 }
1353
1354 static void
1355 iteprecheckwrap(ip)
1356 struct ite_softc *ip;
1357 {
1358 if (ip->auto_wrap && ip->curx == ip->cols) {
1359 ip->curx = 0;
1360 clr_attr(ip, ATTR_INV);
1361 if (++ip->cury >= ip->bottom_margin + 1) {
1362 ip->cury = ip->bottom_margin;
1363 SUBR_CURSOR(ip, MOVE_CURSOR);
1364 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1365 ite_clrtoeol(ip);
1366 } else
1367 SUBR_CURSOR(ip, MOVE_CURSOR);
1368 }
1369 }
1370
1371 static void
1372 itecheckwrap(ip)
1373 struct ite_softc *ip;
1374 {
1375 #if 0
1376 if (++ip->curx == ip->cols) {
1377 if (ip->auto_wrap) {
1378 ip->curx = 0;
1379 clr_attr(ip, ATTR_INV);
1380 if (++ip->cury >= ip->bottom_margin + 1) {
1381 ip->cury = ip->bottom_margin;
1382 SUBR_CURSOR(ip, MOVE_CURSOR);
1383 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1384 ite_clrtoeol(ip);
1385 return;
1386 }
1387 } else
1388 /* stay there if no autowrap.. */
1389 ip->curx--;
1390 }
1391 #else
1392 if (ip->curx < ip->cols) {
1393 ip->curx++;
1394 SUBR_CURSOR(ip, MOVE_CURSOR);
1395 }
1396 #endif
1397 }
1398
1399 void
1400 iteputchar(c, ip)
1401 register int c;
1402 struct ite_softc *ip;
1403 {
1404 struct tty *kbd_tty;
1405 int n, x, y;
1406 char *cp;
1407
1408 if (kbd_ite == NULL)
1409 kbd_tty = NULL;
1410 else
1411 kbd_tty = kbd_ite->tp;
1412
1413 if (ip->escape) {
1414 switch (ip->escape) {
1415 case ESC:
1416 switch (c) {
1417 /*
1418 * first 7bit equivalents for the
1419 * 8bit control characters
1420 */
1421 case 'D':
1422 c = IND;
1423 ip->escape = 0;
1424 break;
1425 /*
1426 * and fall into the next
1427 * switch below (same for all `break')
1428 */
1429 case 'E':
1430 c = NEL;
1431 ip->escape = 0;
1432 break;
1433 case 'H':
1434 c = HTS;
1435 ip->escape = 0;
1436 break;
1437 case 'M':
1438 c = RI;
1439 ip->escape = 0;
1440 break;
1441 case 'N':
1442 c = SS2;
1443 ip->escape = 0;
1444 break;
1445 case 'O':
1446 c = SS3;
1447 ip->escape = 0;
1448 break;
1449 case 'P':
1450 c = DCS;
1451 ip->escape = 0;
1452 break;
1453 case '[':
1454 c = CSI;
1455 ip->escape = 0;
1456 break;
1457 case '\\':
1458 c = ST;
1459 ip->escape = 0;
1460 break;
1461 case ']':
1462 c = OSC;
1463 ip->escape = 0;
1464 break;
1465 case '^':
1466 c = PM;
1467 ip->escape = 0;
1468 break;
1469 case '_':
1470 c = APC;
1471 ip->escape = 0;
1472 break;
1473 /* introduces 7/8bit control */
1474 case ' ':
1475 /* can be followed by either F or G */
1476 ip->escape = ' ';
1477 break;
1478 /*
1479 * a lot of character set selections, not yet
1480 * used... 94-character sets:
1481 */
1482 case '(': /* G0 */
1483 case ')': /* G1 */
1484 ip->escape = c;
1485 return;
1486 case '*': /* G2 */
1487 case '+': /* G3 */
1488 case 'B': /* ASCII */
1489 case 'A': /* ISO latin 1 */
1490 case '<': /* user preferred suplemental */
1491 case '0': /* dec special graphics */
1492 /*
1493 * 96-character sets:
1494 */
1495 case '-': /* G1 */
1496 case '.': /* G2 */
1497 case '/': /* G3 */
1498 /*
1499 * national character sets:
1500 */
1501 case '4': /* dutch */
1502 case '5':
1503 case 'C': /* finnish */
1504 case 'R': /* french */
1505 case 'Q': /* french canadian */
1506 case 'K': /* german */
1507 case 'Y': /* italian */
1508 case '6': /* norwegian/danish */
1509 /*
1510 * note: %5 and %6 are not supported (two
1511 * chars..)
1512 */
1513 ip->escape = 0;
1514 /* just ignore for now */
1515 return;
1516 /*
1517 * locking shift modes (as you might guess, not
1518 * yet supported..)
1519 */
1520 case '`':
1521 ip->GR = ip->G1;
1522 ip->escape = 0;
1523 return;
1524 case 'n':
1525 ip->GL = ip->G2;
1526 ip->escape = 0;
1527 return;
1528 case '}':
1529 ip->GR = ip->G2;
1530 ip->escape = 0;
1531 return;
1532 case 'o':
1533 ip->GL = ip->G3;
1534 ip->escape = 0;
1535 return;
1536 case '|':
1537 ip->GR = ip->G3;
1538 ip->escape = 0;
1539 return;
1540 case '#':
1541 /* font width/height control */
1542 ip->escape = '#';
1543 return;
1544 case 'c':
1545 /* hard terminal reset .. */
1546 ite_reset(ip);
1547 SUBR_CURSOR(ip, MOVE_CURSOR);
1548 ip->escape = 0;
1549 return;
1550 case '7':
1551 ip->save_curx = ip->curx;
1552 ip->save_cury = ip->cury;
1553 ip->save_attribute = ip->attribute;
1554 ip->escape = 0;
1555 return;
1556 case '8':
1557 ip->curx = ip->save_curx;
1558 ip->cury = ip->save_cury;
1559 ip->attribute = ip->save_attribute;
1560 SUBR_CURSOR(ip, MOVE_CURSOR);
1561 ip->escape = 0;
1562 return;
1563 case '=':
1564 ip->keypad_appmode = 1;
1565 ip->escape = 0;
1566 return;
1567 case '>':
1568 ip->keypad_appmode = 0;
1569 ip->escape = 0;
1570 return;
1571 case 'Z': /* request ID */
1572 /* XXX not clean */
1573 if (ip->emul_level == EMUL_VT100)
1574 ite_sendstr("\033[?61;0c");
1575 else
1576 ite_sendstr("\033[?63;0c");
1577 ip->escape = 0;
1578 return;
1579 default:
1580 /*
1581 * default catch all for not recognized ESC
1582 * sequences
1583 */
1584 ip->escape = 0;
1585 return;
1586 }
1587 break;
1588 case '(':
1589 case ')':
1590 ip->escape = 0;
1591 return;
1592 case ' ':
1593 switch (c) {
1594 case 'F':
1595 ip->eightbit_C1 = 0;
1596 ip->escape = 0;
1597 return;
1598 case 'G':
1599 ip->eightbit_C1 = 1;
1600 ip->escape = 0;
1601 return;
1602 default:
1603 /* not supported */
1604 ip->escape = 0;
1605 return;
1606 }
1607 break;
1608 case '#':
1609 switch (c) {
1610 case '5':
1611 /* single height, single width */
1612 ip->escape = 0;
1613 return;
1614 case '6':
1615 /* double width, single height */
1616 ip->escape = 0;
1617 return;
1618 case '3':
1619 /* top half */
1620 ip->escape = 0;
1621 return;
1622 case '4':
1623 /* bottom half */
1624 ip->escape = 0;
1625 return;
1626 case '8':
1627 /* screen alignment pattern... */
1628 alignment_display(ip);
1629 ip->escape = 0;
1630 return;
1631 default:
1632 ip->escape = 0;
1633 return;
1634 }
1635 break;
1636 case CSI:
1637 /* the biggie... */
1638 switch (c) {
1639 case '0':
1640 case '1':
1641 case '2':
1642 case '3':
1643 case '4':
1644 case '5':
1645 case '6':
1646 case '7':
1647 case '8':
1648 case '9':
1649 case ';':
1650 case '\"':
1651 case '$':
1652 case '>':
1653 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1654 *ip->ap++ = c;
1655 return;
1656 case BS:
1657 /*
1658 * you wouldn't believe such perversion is
1659 * possible? it is.. BS is allowed in between
1660 * cursor sequences (at least), according to
1661 * vttest..
1662 */
1663 if (--ip->curx < 0)
1664 ip->curx = 0;
1665 else
1666 SUBR_CURSOR(ip, MOVE_CURSOR);
1667 break;
1668 case 'p':
1669 *ip->ap = 0;
1670 if (!strncmp(ip->argbuf, "61\"", 3))
1671 ip->emul_level = EMUL_VT100;
1672 else if (!strncmp(ip->argbuf, "63;1\"", 5)
1673 || !strncmp(ip->argbuf, "62;1\"", 5))
1674 ip->emul_level = EMUL_VT300_7;
1675 else
1676 ip->emul_level = EMUL_VT300_8;
1677 ip->escape = 0;
1678 return;
1679 case '?':
1680 *ip->ap = 0;
1681 ip->escape = '?';
1682 ip->ap = ip->argbuf;
1683 return;
1684 case 'c':
1685 *ip->ap = 0;
1686 if (ip->argbuf[0] == '>') {
1687 ite_sendstr("\033[>24;0;0;0c");
1688 } else
1689 switch (ite_zargnum(ip)) {
1690 case 0:
1691 /*
1692 * primary DA request, send
1693 * primary DA response
1694 */
1695 if (ip->emul_level
1696 == EMUL_VT100)
1697 ite_sendstr(
1698 "\033[?1;1c");
1699 else
1700 ite_sendstr(
1701 "\033[?63;1c");
1702 break;
1703 }
1704 ip->escape = 0;
1705 return;
1706 case 'n':
1707 switch (ite_zargnum(ip)) {
1708 case 5:
1709 /* no malfunction */
1710 ite_sendstr("\033[0n");
1711 break;
1712 case 6:
1713 /* cursor position report */
1714 sprintf(ip->argbuf, "\033[%d;%dR",
1715 ip->cury + 1, ip->curx + 1);
1716 ite_sendstr(ip->argbuf);
1717 break;
1718 }
1719 ip->escape = 0;
1720 return;
1721 case 'x':
1722 switch (ite_zargnum(ip)) {
1723 case 0:
1724 /* Fake some terminal parameters. */
1725 ite_sendstr("\033[2;1;1;112;112;1;0x");
1726 break;
1727 case 1:
1728 ite_sendstr("\033[3;1;1;112;112;1;0x");
1729 break;
1730 }
1731 ip->escape = 0;
1732 return;
1733 case 'g':
1734 switch (ite_zargnum(ip)) {
1735 case 0:
1736 if (ip->curx < ip->cols)
1737 ip->tabs[ip->curx] = 0;
1738 break;
1739 case 3:
1740 for (n = 0; n < ip->cols; n++)
1741 ip->tabs[n] = 0;
1742 break;
1743 }
1744 ip->escape = 0;
1745 return;
1746 case 'h':
1747 case 'l':
1748 n = ite_zargnum(ip);
1749 switch (n) {
1750 case 4:
1751 /* insert/replace mode */
1752 ip->imode = (c == 'h');
1753 break;
1754 case 20:
1755 ip->linefeed_newline = (c == 'h');
1756 break;
1757 }
1758 ip->escape = 0;
1759 return;
1760 case 'M':
1761 ite_dnline(ip, ite_argnum(ip));
1762 ip->escape = 0;
1763 return;
1764 case 'L':
1765 ite_inline(ip, ite_argnum(ip));
1766 ip->escape = 0;
1767 return;
1768 case 'P':
1769 ite_dnchar(ip, ite_argnum(ip));
1770 ip->escape = 0;
1771 return;
1772 case '@':
1773 ite_inchar(ip, ite_argnum(ip));
1774 ip->escape = 0;
1775 return;
1776 case 'G':
1777 /*
1778 * this one was *not* in my vt320 manual but in
1779 * a vt320 termcap entry.. who is right? It's
1780 * supposed to set the horizontal cursor
1781 * position.
1782 */
1783 *ip->ap = 0;
1784 x = atoi(ip->argbuf);
1785 if (x)
1786 x--;
1787 ip->curx = min(x, ip->cols - 1);
1788 ip->escape = 0;
1789 SUBR_CURSOR(ip, MOVE_CURSOR);
1790 clr_attr(ip, ATTR_INV);
1791 return;
1792 case 'd':
1793 /*
1794 * same thing here, this one's for setting the
1795 * absolute vertical cursor position. Not
1796 * documented...
1797 */
1798 *ip->ap = 0;
1799 y = atoi(ip->argbuf);
1800 if (y)
1801 y--;
1802 if (ip->inside_margins)
1803 y += ip->top_margin;
1804 ip->cury = min(y, ip->rows - 1);
1805 ip->escape = 0;
1806 snap_cury(ip);
1807 SUBR_CURSOR(ip, MOVE_CURSOR);
1808 clr_attr(ip, ATTR_INV);
1809 return;
1810 case 'H':
1811 case 'f':
1812 *ip->ap = 0;
1813 y = atoi(ip->argbuf);
1814 x = 0;
1815 cp = index(ip->argbuf, ';');
1816 if (cp)
1817 x = atoi(cp + 1);
1818 if (x)
1819 x--;
1820 if (y)
1821 y--;
1822 if (ip->inside_margins)
1823 y += ip->top_margin;
1824 ip->cury = min(y, ip->rows - 1);
1825 ip->curx = min(x, ip->cols - 1);
1826 ip->escape = 0;
1827 snap_cury(ip);
1828 SUBR_CURSOR(ip, MOVE_CURSOR);
1829 clr_attr(ip, ATTR_INV);
1830 return;
1831 case 'A':
1832 n = ite_argnum(ip);
1833 n = ip->cury - (n ? n : 1);
1834 if (n < 0)
1835 n = 0;
1836 if (ip->inside_margins)
1837 n = max(ip->top_margin, n);
1838 else if (n == ip->top_margin - 1)
1839 /*
1840 * allow scrolling outside region, but
1841 * don't scroll out of active region
1842 * without explicit CUP
1843 */
1844 n = ip->top_margin;
1845 ip->cury = n;
1846 ip->escape = 0;
1847 SUBR_CURSOR(ip, MOVE_CURSOR);
1848 clr_attr(ip, ATTR_INV);
1849 return;
1850 case 'B':
1851 n = ite_argnum(ip);
1852 n = ip->cury + (n ? n : 1);
1853 n = min(ip->rows - 1, n);
1854 if (ip->inside_margins)
1855 n = min(ip->bottom_margin, n);
1856 else if (n == ip->bottom_margin + 1)
1857 /*
1858 * allow scrolling outside region, but
1859 * don't scroll out of active region
1860 * without explicit CUP
1861 */
1862 n = ip->bottom_margin;
1863 ip->cury = n;
1864 ip->escape = 0;
1865 SUBR_CURSOR(ip, MOVE_CURSOR);
1866 clr_attr(ip, ATTR_INV);
1867 return;
1868 case 'C':
1869 n = ite_argnum(ip);
1870 n = n ? n : 1;
1871 ip->curx = min(ip->curx + n, ip->cols - 1);
1872 ip->escape = 0;
1873 SUBR_CURSOR(ip, MOVE_CURSOR);
1874 clr_attr(ip, ATTR_INV);
1875 return;
1876 case 'D':
1877 n = ite_argnum(ip);
1878 n = n ? n : 1;
1879 n = ip->curx - n;
1880 ip->curx = n >= 0 ? n : 0;
1881 ip->escape = 0;
1882 SUBR_CURSOR(ip, MOVE_CURSOR);
1883 clr_attr(ip, ATTR_INV);
1884 return;
1885 case 'J':
1886 *ip->ap = 0;
1887 n = ite_zargnum(ip);
1888 if (n == 0)
1889 ite_clrtoeos(ip);
1890 else if (n == 1)
1891 ite_clrtobos(ip);
1892 else if (n == 2)
1893 ite_clrscreen(ip);
1894 ip->escape = 0;
1895 return;
1896 case 'K':
1897 n = ite_zargnum(ip);
1898 if (n == 0)
1899 ite_clrtoeol(ip);
1900 else if (n == 1)
1901 ite_clrtobol(ip);
1902 else if (n == 2)
1903 ite_clrline(ip);
1904 ip->escape = 0;
1905 return;
1906 case 'X':
1907 n = ite_argnum(ip) - 1;
1908 n = min(n, ip->cols - 1 - ip->curx);
1909 for (; n >= 0; n--) {
1910 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1911 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1912 }
1913 ip->escape = 0;
1914 return;
1915 case '}':
1916 case '`':
1917 /* status line control */
1918 ip->escape = 0;
1919 return;
1920 case 'r':
1921 *ip->ap = 0;
1922 x = atoi(ip->argbuf);
1923 x = x ? x : 1;
1924 y = ip->rows;
1925 cp = index(ip->argbuf, ';');
1926 if (cp) {
1927 y = atoi(cp + 1);
1928 y = y ? y : ip->rows;
1929 }
1930 if (y - x < 2) {
1931 /*
1932 * if illegal scrolling region, reset
1933 * to defaults
1934 */
1935 x = 1;
1936 y = ip->rows;
1937 }
1938 x--;
1939 y--;
1940 ip->top_margin = min(x, ip->rows - 1);
1941 ip->bottom_margin = min(y, ip->rows - 1);
1942 if (ip->inside_margins) {
1943 ip->cury = ip->top_margin;
1944 ip->curx = 0;
1945 SUBR_CURSOR(ip, MOVE_CURSOR);
1946 }
1947 ip->escape = 0;
1948 return;
1949 case 'm':
1950 /* big attribute setter/resetter */
1951 { char *cp;
1952 *ip->ap = 0;
1953 /* kludge to make CSIm work (== CSI0m) */
1954 if (ip->ap == ip->argbuf)
1955 ip->ap++;
1956 for (cp = ip->argbuf; cp < ip->ap;) {
1957 switch (*cp) {
1958 case 0:
1959 case '0':
1960 clr_attr(ip, ATTR_ALL);
1961 cp++;
1962 break;
1963
1964 case '1':
1965 set_attr(ip, ATTR_BOLD);
1966 cp++;
1967 break;
1968
1969 case '2':
1970 switch (cp[1]) {
1971 case '2':
1972 clr_attr(ip, ATTR_BOLD);
1973 cp += 2;
1974 break;
1975
1976 case '4':
1977 clr_attr(ip, ATTR_UL);
1978 cp += 2;
1979 break;
1980
1981 case '5':
1982 clr_attr(ip, ATTR_BLINK);
1983 cp += 2;
1984 break;
1985
1986 case '7':
1987 clr_attr(ip, ATTR_INV);
1988 cp += 2;
1989 break;
1990
1991 default:
1992 cp++;
1993 break;
1994 }
1995 break;
1996
1997 case '4':
1998 set_attr(ip, ATTR_UL);
1999 cp++;
2000 break;
2001
2002 case '5':
2003 set_attr(ip, ATTR_BLINK);
2004 cp++;
2005 break;
2006
2007 case '7':
2008 set_attr(ip, ATTR_INV);
2009 cp++;
2010 break;
2011
2012 default:
2013 cp++;
2014 break;
2015 }
2016 }
2017 ip->escape = 0;
2018 return; }
2019 case 'u':
2020 /* DECRQTSR */
2021 ite_sendstr("\033P\033\\");
2022 ip->escape = 0;
2023 return;
2024 default:
2025 ip->escape = 0;
2026 return;
2027 }
2028 break;
2029 case '?': /* CSI ? */
2030 switch (c) {
2031 case '0':
2032 case '1':
2033 case '2':
2034 case '3':
2035 case '4':
2036 case '5':
2037 case '6':
2038 case '7':
2039 case '8':
2040 case '9':
2041 case ';':
2042 case '\"':
2043 case '$':
2044 /*
2045 * Don't fill the last character;
2046 * it's needed.
2047 * XXX yeah, where ??
2048 */
2049 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2050 *ip->ap++ = c;
2051 return;
2052 case 'n':
2053 *ip->ap = 0;
2054 if (ip->ap == &ip->argbuf[2]) {
2055 if (!strncmp(ip->argbuf, "15", 2))
2056 /* printer status: no printer */
2057 ite_sendstr("\033[13n");
2058
2059 else if (!strncmp(ip->argbuf, "25", 2))
2060 /* udk status */
2061 ite_sendstr("\033[20n");
2062
2063 else if (!strncmp(ip->argbuf, "26", 2))
2064 /* keyboard dialect: US */
2065 ite_sendstr("\033[27;1n");
2066 }
2067 ip->escape = 0;
2068 return;
2069 case 'h':
2070 case 'l':
2071 n = ite_zargnum(ip);
2072 switch (n) {
2073 case 1:
2074 ip->cursor_appmode = (c == 'h');
2075 break;
2076 case 3:
2077 /* 132/80 columns (132 == 'h') */
2078 break;
2079 case 4: /* smooth scroll */
2080 break;
2081 case 5:
2082 /*
2083 * light background (=='h') /dark
2084 * background(=='l')
2085 */
2086 break;
2087 case 6: /* origin mode */
2088 ip->inside_margins = (c == 'h');
2089 ip->curx = 0;
2090 ip->cury = ip->inside_margins ?
2091 ip->top_margin : 0;
2092 SUBR_CURSOR(ip, MOVE_CURSOR);
2093 break;
2094 case 7: /* auto wraparound */
2095 ip->auto_wrap = (c == 'h');
2096 break;
2097 case 8: /* keyboard repeat */
2098 ip->key_repeat = (c == 'h');
2099 break;
2100 case 20: /* newline mode */
2101 ip->linefeed_newline = (c == 'h');
2102 break;
2103 case 25: /* cursor on/off */
2104 SUBR_CURSOR(ip, (c == 'h') ?
2105 DRAW_CURSOR : ERASE_CURSOR);
2106 break;
2107 }
2108 ip->escape = 0;
2109 return;
2110 default:
2111 ip->escape = 0;
2112 return;
2113 }
2114 break;
2115 default:
2116 ip->escape = 0;
2117 return;
2118 }
2119 }
2120 switch (c) {
2121 case VT: /* VT is treated like LF */
2122 case FF: /* so is FF */
2123 case LF:
2124 /*
2125 * cr->crlf distinction is done here, on output, not on input!
2126 */
2127 if (ip->linefeed_newline)
2128 ite_crlf(ip);
2129 else
2130 ite_lf(ip);
2131 break;
2132 case CR:
2133 ite_cr(ip);
2134 break;
2135 case BS:
2136 if (--ip->curx < 0)
2137 ip->curx = 0;
2138 else
2139 SUBR_CURSOR(ip, MOVE_CURSOR);
2140 break;
2141 case HT:
2142 for (n = ip->curx + 1; n < ip->cols; n++) {
2143 if (ip->tabs[n]) {
2144 ip->curx = n;
2145 SUBR_CURSOR(ip, MOVE_CURSOR);
2146 break;
2147 }
2148 }
2149 break;
2150 case BEL:
2151 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2152 ite_bell();
2153 break;
2154 case SO:
2155 ip->GL = ip->G1;
2156 break;
2157 case SI:
2158 ip->GL = ip->G0;
2159 break;
2160 case ENQ:
2161 /* send answer-back message !! */
2162 break;
2163 case CAN:
2164 ip->escape = 0; /* cancel any escape sequence in progress */
2165 break;
2166 case SUB:
2167 ip->escape = 0; /* dito, but see below */
2168 /* should also display a reverse question mark!! */
2169 break;
2170 case ESC:
2171 ip->escape = ESC;
2172 break;
2173 /*
2174 * now it gets weird.. 8bit control sequences..
2175 */
2176 case IND:
2177 /* index: move cursor down, scroll */
2178 ite_lf(ip);
2179 break;
2180 case NEL:
2181 /* next line. next line, first pos. */
2182 ite_crlf(ip);
2183 break;
2184 case HTS:
2185 /* set horizontal tab */
2186 if (ip->curx < ip->cols)
2187 ip->tabs[ip->curx] = 1;
2188 break;
2189 case RI:
2190 /* reverse index */
2191 ite_rlf(ip);
2192 break;
2193 case SS2:
2194 /* go into G2 for one character */
2195 /* not yet supported */
2196 break;
2197 case SS3:
2198 /* go into G3 for one character */
2199 break;
2200 case DCS:
2201 /* device control string introducer */
2202 ip->escape = DCS;
2203 ip->ap = ip->argbuf;
2204 break;
2205 case CSI:
2206 /* control sequence introducer */
2207 ip->escape = CSI;
2208 ip->ap = ip->argbuf;
2209 break;
2210 case ST:
2211 /* string terminator */
2212 /* ignore, if not used as terminator */
2213 break;
2214 case OSC:
2215 /*
2216 * introduces OS command. Ignore everything
2217 * upto ST
2218 */
2219 ip->escape = OSC;
2220 break;
2221 case PM:
2222 /* privacy message, ignore everything upto ST */
2223 ip->escape = PM;
2224 break;
2225 case APC:
2226 /*
2227 * application program command, ignore * everything upto ST
2228 */
2229 ip->escape = APC;
2230 break;
2231 default:
2232 if ((c & 0x7f) < ' ' || c == DEL)
2233 break;
2234 if (ip->imode)
2235 ite_inchar(ip, 1);
2236 iteprecheckwrap(ip);
2237 #ifdef DO_WEIRD_ATTRIBUTES
2238 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2239 attrset(ip, ATTR_INV);
2240 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2241 } else
2242 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2243 #else
2244 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2245 #endif
2246 SUBR_CURSOR(ip, DRAW_CURSOR);
2247 itecheckwrap(ip);
2248 break;
2249 }
2250 }
2251
2252