ite.c revision 1.49 1 /* $NetBSD: ite.c,v 1.49 1998/02/23 00:47:30 is 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/device.h>
53 #include <sys/malloc.h>
54 #include <sys/ioctl.h>
55 #include <sys/tty.h>
56 #include <sys/termios.h>
57 #include <sys/systm.h>
58 #include <sys/proc.h>
59 #include <dev/cons.h>
60 #include <amiga/amiga/cc.h>
61 #include <amiga/amiga/color.h> /* DEBUG */
62 #include <amiga/amiga/custom.h> /* DEBUG */
63 #include <amiga/amiga/device.h>
64 #include <amiga/amiga/isr.h>
65 #include <amiga/dev/iteioctl.h>
66 #include <amiga/dev/itevar.h>
67 #include <amiga/dev/kbdmap.h>
68 #include <amiga/dev/grfioctl.h>
69 #include <amiga/dev/grfvar.h>
70
71 #include <machine/cpu.h> /* for is_draco() */
72
73 #include <sys/conf.h>
74 #include <machine/conf.h>
75
76 #include "grfcc.h"
77 #include "ite.h"
78
79 /*
80 * XXX go ask sys/kern/tty.c:ttselect()
81 */
82
83 #define ITEUNIT(dev) (minor(dev))
84
85 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
86 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
87 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
88 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
89 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
90 #define SUBR_SCROLL(ip,sy,sx,count,dir) \
91 (ip)->grf->g_itescroll(ip,sy,sx,count,dir)
92
93 u_int ite_confunits; /* configured units */
94
95 int start_repeat_timeo = 30; /* first repeat after x s/100 */
96 int next_repeat_timeo = 10; /* next repeat after x s/100 */
97
98 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
99
100 struct ite_softc con_itesoftc;
101 u_char cons_tabs[MAX_TABS];
102
103 struct ite_softc *kbd_ite;
104
105 /* audio bell stuff */
106 u_int bvolume = 10;
107 u_int bpitch = 660;
108 u_int bmsec = 75;
109
110 static char *bsamplep;
111 static char sample[20] = {
112 0,39,75,103,121,127,121,103,75,39,0,
113 -39,-75,-103,-121,-127,-121,-103,-75,-39
114 };
115
116 static char *index __P((const char *, char));
117 static void ite_sifilter __P((void *, void *));
118 void iteputchar __P((int c, struct ite_softc *ip));
119 void ite_putstr __P((const char * s, int len, dev_t dev));
120 void iteattach __P((struct device *, struct device *, void *));
121 int itematch __P((struct device *, struct cfdata *, void *));
122 static void iteprecheckwrap __P((struct ite_softc *));
123 static void itecheckwrap __P((struct ite_softc *));
124 struct ite_softc *getitesp __P((dev_t));
125 void init_bell __P((void));
126 void ite_bell __P((void));
127 void itecnpollc __P((dev_t, int));
128 static void repeat_handler __P((void *));
129 inline static void ite_sendstr __P((char *));
130 static void alignment_display __P((struct ite_softc *));
131 inline static void snap_cury __P((struct ite_softc *));
132 inline static void ite_dnchar __P((struct ite_softc *, int));
133 inline static void ite_inchar __P((struct ite_softc *, int));
134 inline static void ite_clrtoeol __P((struct ite_softc *));
135 inline static void ite_clrtobol __P((struct ite_softc *));
136 inline static void ite_clrline __P((struct ite_softc *));
137 inline static void ite_clrtoeos __P((struct ite_softc *));
138 inline static void ite_clrtobos __P((struct ite_softc *));
139 inline static void ite_clrscreen __P((struct ite_softc *));
140 inline static void ite_dnline __P((struct ite_softc *, int));
141 inline static void ite_inline __P((struct ite_softc *, int));
142 inline static void ite_lf __P((struct ite_softc *));
143 inline static void ite_crlf __P((struct ite_softc *));
144 inline static void ite_cr __P((struct ite_softc *));
145 inline static void ite_rlf __P((struct ite_softc *));
146 inline static int atoi __P((const char *));
147 inline static int ite_argnum __P((struct ite_softc *));
148 inline static int ite_zargnum __P((struct ite_softc *));
149
150 struct cfattach ite_ca = {
151 sizeof(struct ite_softc), itematch, iteattach
152 };
153
154 extern struct cfdriver ite_cd;
155
156 int
157 itematch(pdp, cfp, auxp)
158 struct device *pdp;
159 struct cfdata *cfp;
160 void *auxp;
161 {
162 struct grf_softc *gp;
163 int maj;
164
165 gp = auxp;
166 /*
167 * all that our mask allows (more than enough no one
168 * has > 32 monitors for text consoles on one machine)
169 */
170 if (cfp->cf_unit >= sizeof(ite_confunits) * NBBY)
171 return(0);
172 /*
173 * XXX
174 * normally this would be done in attach, however
175 * during early init we do not have a device pointer
176 * and thus no unit number.
177 */
178 for(maj = 0; maj < nchrdev; maj++)
179 if (cdevsw[maj].d_open == iteopen)
180 break;
181 gp->g_itedev = makedev(maj, cfp->cf_unit);
182 return(1);
183 }
184
185 void
186 iteattach(pdp, dp, auxp)
187 struct device *pdp, *dp;
188 void *auxp;
189 {
190 struct grf_softc *gp;
191 struct ite_softc *ip;
192 int s;
193
194 gp = (struct grf_softc *)auxp;
195
196 /*
197 * mark unit as attached (XXX see itematch)
198 */
199 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
200
201 if (dp) {
202 ip = (struct ite_softc *)dp;
203
204 s = spltty();
205 if (con_itesoftc.grf != NULL &&
206 con_itesoftc.grf->g_unit == gp->g_unit) {
207 /*
208 * console reinit copy params over.
209 * and console always gets keyboard
210 */
211 bcopy(&con_itesoftc.grf, &ip->grf,
212 (char *)&ip[1] - (char *)&ip->grf);
213 con_itesoftc.grf = NULL;
214 kbd_ite = ip;
215 }
216 ip->grf = gp;
217 splx(s);
218
219 alloc_sicallback();
220 iteinit(gp->g_itedev);
221 printf(": rows %d cols %d", ip->rows, ip->cols);
222 printf(" repeat at (%d/100)s next at (%d/100)s",
223 start_repeat_timeo, next_repeat_timeo);
224
225 if (kbd_ite == NULL)
226 kbd_ite = ip;
227 if (kbd_ite == ip)
228 printf(" has keyboard");
229 printf("\n");
230 } else {
231 if (con_itesoftc.grf != NULL &&
232 con_itesoftc.grf->g_conpri > gp->g_conpri)
233 return;
234 con_itesoftc.grf = gp;
235 con_itesoftc.tabs = cons_tabs;
236 }
237 }
238
239 struct ite_softc *
240 getitesp(dev)
241 dev_t dev;
242 {
243 if (amiga_realconfig && con_itesoftc.grf == NULL)
244 return(ite_cd.cd_devs[ITEUNIT(dev)]);
245
246 if (con_itesoftc.grf == NULL)
247 panic("no ite_softc for console");
248 return(&con_itesoftc);
249 }
250
251 /*
252 * cons.c entry points into ite device.
253 */
254
255 /*
256 * Return a priority in consdev->cn_pri field highest wins. This function
257 * is called before any devices have been probed.
258 */
259 void
260 itecnprobe(cd)
261 struct consdev *cd;
262 {
263 /*
264 * bring graphics layer up.
265 */
266 config_console();
267
268 /*
269 * return priority of the best ite (already picked from attach)
270 * or CN_DEAD.
271 */
272 if (con_itesoftc.grf == NULL)
273 cd->cn_pri = CN_DEAD;
274 else {
275 cd->cn_pri = con_itesoftc.grf->g_conpri;
276 cd->cn_dev = con_itesoftc.grf->g_itedev;
277 }
278 }
279
280 /* audio bell stuff */
281 void
282 init_bell()
283 {
284 if (bsamplep != NULL)
285 return;
286 bsamplep = alloc_chipmem(20);
287 if (bsamplep == NULL)
288 panic("no chipmem for ite_bell");
289
290 bcopy(sample, bsamplep, 20);
291 }
292
293 void
294 ite_bell()
295 {
296 u_int clock;
297 u_int period;
298 u_int count;
299
300 clock = 3579545; /* PAL 3546895 */
301
302 /*
303 * the number of clock ticks per sample byte must be > 124
304 * ergo bpitch must be < clock / 124*20
305 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously
306 */
307 period = clock / (bpitch * 20);
308 count = bmsec * bpitch / 1000;
309
310 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count);
311 }
312
313 void
314 itecninit(cd)
315 struct consdev *cd;
316 {
317 struct ite_softc *ip;
318
319 ip = getitesp(cd->cn_dev);
320 iteinit(cd->cn_dev);
321 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
322
323 #ifdef DRACO
324 if (!is_draco())
325 #endif
326 init_bell();
327 }
328
329 /*
330 * ite_cnfinish() is called in ite_init() when the device is
331 * being probed in the normal fasion, thus we can finish setting
332 * up this ite now that the system is more functional.
333 */
334 void
335 ite_cnfinish(ip)
336 struct ite_softc *ip;
337 {
338 static int done;
339
340 if (done)
341 return;
342 done = 1;
343 }
344
345 int
346 itecngetc(dev)
347 dev_t dev;
348 {
349 int c;
350
351 /* XXX this should be moved */
352 kbdenable();
353 do {
354 c = kbdgetcn();
355 c = ite_cnfilter(c, ITEFILT_CONSOLE);
356 } while (c == -1);
357 return (c);
358 }
359
360 void
361 itecnputc(dev, c)
362 dev_t dev;
363 int c;
364 {
365 static int paniced;
366 struct ite_softc *ip;
367 char ch;
368
369 ip = getitesp(dev);
370 ch = c;
371
372 if (panicstr && !paniced &&
373 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
374 (void)ite_on(dev, 3);
375 paniced = 1;
376 }
377 iteputchar(ch, ip);
378 }
379
380 void
381 itecnpollc(dev, on)
382 dev_t dev;
383 int on;
384 {
385
386 }
387
388 /*
389 * standard entry points to the device.
390 */
391
392 /*
393 * iteinit() is the standard entry point for initialization of
394 * an ite device, it is also called from ite_cninit().
395 *
396 */
397 void
398 iteinit(dev)
399 dev_t dev;
400 {
401 struct ite_softc *ip;
402 static int kbdmap_loaded = 0;
403
404 ip = getitesp(dev);
405 if (ip->flags & ITE_INITED)
406 return;
407 if (kbdmap_loaded == 0) {
408 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
409 kbdmap_loaded = 1;
410 }
411
412 ip->cursorx = 0;
413 ip->cursory = 0;
414 SUBR_INIT(ip);
415 SUBR_CURSOR(ip, DRAW_CURSOR);
416 if (ip->tabs == NULL)
417 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
418 ite_reset(ip);
419 ip->flags |= ITE_INITED;
420 }
421
422 int
423 iteopen(dev, mode, devtype, p)
424 dev_t dev;
425 int mode, devtype;
426 struct proc *p;
427 {
428 struct ite_softc *ip;
429 struct tty *tp;
430 int error, first, unit;
431
432 unit = ITEUNIT(dev);
433 first = 0;
434
435 if (((1 << unit) & ite_confunits) == 0)
436 return (ENXIO);
437
438 ip = getitesp(dev);
439
440 if (ip->tp == NULL) {
441 tp = ip->tp = ttymalloc();
442 tty_attach(tp);
443 } else
444 tp = ip->tp;
445 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
446 && p->p_ucred->cr_uid != 0)
447 return (EBUSY);
448 if ((ip->flags & ITE_ACTIVE) == 0) {
449 error = ite_on(dev, 0);
450 if (error)
451 return (error);
452 first = 1;
453 }
454 tp->t_oproc = itestart;
455 tp->t_param = ite_param;
456 tp->t_dev = dev;
457 if ((tp->t_state & TS_ISOPEN) == 0) {
458 ttychars(tp);
459 tp->t_iflag = TTYDEF_IFLAG;
460 tp->t_oflag = TTYDEF_OFLAG;
461 tp->t_cflag = TTYDEF_CFLAG;
462 tp->t_lflag = TTYDEF_LFLAG;
463 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
464 tp->t_state = TS_WOPEN | TS_CARR_ON;
465 ttsetwater(tp);
466 }
467 error = (*linesw[tp->t_line].l_open) (dev, tp);
468 if (error == 0) {
469 tp->t_winsize.ws_row = ip->rows;
470 tp->t_winsize.ws_col = ip->cols;
471 kbdenable();
472 } else if (first)
473 ite_off(dev, 0);
474 return (error);
475 }
476
477 int
478 iteclose(dev, flag, mode, p)
479 dev_t dev;
480 int flag, mode;
481 struct proc *p;
482 {
483 struct tty *tp;
484
485 tp = getitesp(dev)->tp;
486
487 KDASSERT(tp);
488 (*linesw[tp->t_line].l_close) (tp, flag);
489 ttyclose(tp);
490 ite_off(dev, 0);
491 return (0);
492 }
493
494 int
495 iteread(dev, uio, flag)
496 dev_t dev;
497 struct uio *uio;
498 int flag;
499 {
500 struct tty *tp;
501
502 tp = getitesp(dev)->tp;
503
504 KDASSERT(tp);
505 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
506 }
507
508 int
509 itewrite(dev, uio, flag)
510 dev_t dev;
511 struct uio *uio;
512 int flag;
513 {
514 struct tty *tp;
515
516 tp = getitesp(dev)->tp;
517
518 KDASSERT(tp);
519 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
520 }
521
522 struct tty *
523 itetty(dev)
524 dev_t dev;
525 {
526 return (getitesp(dev)->tp);
527 }
528
529 void
530 itestop(tp, flag)
531 struct tty *tp;
532 int flag;
533 {
534
535 }
536
537 int
538 iteioctl(dev, cmd, addr, flag, p)
539 dev_t dev;
540 u_long cmd;
541 caddr_t addr;
542 int flag;
543 struct proc *p;
544 {
545 struct iterepeat *irp;
546 struct ite_softc *ip;
547 struct itebell *ib;
548 struct tty *tp;
549 int error;
550
551 ip = getitesp(dev);
552 tp = ip->tp;
553
554 KDASSERT(tp);
555
556 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, addr, flag, p);
557 if (error >= 0)
558 return (error);
559 error = ttioctl(tp, cmd, addr, flag, p);
560 if (error >= 0)
561 return (error);
562
563 switch (cmd) {
564 case ITEIOCGBELL:
565 ib = (struct itebell *)addr;
566 ib->volume = bvolume;
567 ib->pitch = bpitch;
568 ib->msec = bmsec;
569 return (0);
570 case ITEIOCSBELL:
571 ib = (struct itebell *)addr;
572
573 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH ||
574 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME)
575 return (EINVAL);
576 bvolume = ib->volume;
577 bpitch = ib->pitch;
578 bmsec = ib->msec;
579 return (0);
580 case ITEIOCSKMAP:
581 if (addr == 0)
582 return(EFAULT);
583 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
584 return(0);
585 case ITEIOCGKMAP:
586 if (addr == NULL)
587 return(EFAULT);
588 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
589 return(0);
590 case ITEIOCGREPT:
591 irp = (struct iterepeat *)addr;
592 irp->start = start_repeat_timeo;
593 irp->next = next_repeat_timeo;
594 return (0);
595 case ITEIOCSREPT:
596 irp = (struct iterepeat *)addr;
597 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
598 return(EINVAL);
599 start_repeat_timeo = irp->start;
600 next_repeat_timeo = irp->next;
601 return(0);
602 }
603 #if NGRFCC > 0
604 /* XXX */
605 if (minor(dev) == 0) {
606 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
607 if (error >= 0)
608 return (error);
609 }
610 #endif
611 return (ENOTTY);
612 }
613
614 void
615 itestart(tp)
616 struct tty *tp;
617 {
618 struct clist *rbp;
619 struct ite_softc *ip;
620 u_char buf[ITEBURST];
621 int s, len;
622
623 ip = getitesp(tp->t_dev);
624
625 KDASSERT(tp);
626
627 s = spltty(); {
628 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
629 goto out;
630
631 tp->t_state |= TS_BUSY;
632 rbp = &tp->t_outq;
633
634 len = q_to_b(rbp, buf, ITEBURST);
635 } splx(s);
636
637 /* Here is a really good place to implement pre/jumpscroll() */
638 ite_putstr(buf, len, tp->t_dev);
639
640 s = spltty(); {
641 tp->t_state &= ~TS_BUSY;
642 /* we have characters remaining. */
643 if (rbp->c_cc) {
644 tp->t_state |= TS_TIMEOUT;
645 timeout(ttrstrt, tp, 1);
646 }
647 /* wakeup we are below */
648 if (rbp->c_cc <= tp->t_lowat) {
649 if (tp->t_state & TS_ASLEEP) {
650 tp->t_state &= ~TS_ASLEEP;
651 wakeup((caddr_t) rbp);
652 }
653 selwakeup(&tp->t_wsel);
654 }
655 out:
656 } splx(s);
657 }
658
659 int
660 ite_on(dev, flag)
661 dev_t dev;
662 int flag;
663 {
664 struct ite_softc *ip;
665 int unit;
666
667 unit = ITEUNIT(dev);
668 if (((1 << unit) & ite_confunits) == 0)
669 return (ENXIO);
670
671 ip = getitesp(dev);
672
673 /* force ite active, overriding graphics mode */
674 if (flag & 1) {
675 ip->flags |= ITE_ACTIVE;
676 ip->flags &= ~(ITE_INGRF | ITE_INITED);
677 }
678 /* leave graphics mode */
679 if (flag & 2) {
680 ip->flags &= ~ITE_INGRF;
681 if ((ip->flags & ITE_ACTIVE) == 0)
682 return (0);
683 }
684 ip->flags |= ITE_ACTIVE;
685 if (ip->flags & ITE_INGRF)
686 return (0);
687 iteinit(dev);
688 return (0);
689 }
690
691 void
692 ite_off(dev, flag)
693 dev_t dev;
694 int flag;
695 {
696 struct ite_softc *ip;
697
698 ip = getitesp(dev);
699 if (flag & 2)
700 ip->flags |= ITE_INGRF;
701 if ((ip->flags & ITE_ACTIVE) == 0)
702 return;
703 if ((flag & 1) ||
704 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
705 SUBR_DEINIT(ip);
706 /* XXX hmm grfon() I think wants this to go inactive. */
707 if ((flag & 2) == 0)
708 ip->flags &= ~ITE_ACTIVE;
709 }
710
711 /* XXX called after changes made in underlying grf layer. */
712 /* I want to nuke this */
713 void
714 ite_reinit(dev)
715 dev_t dev;
716 {
717 struct ite_softc *ip;
718
719 ip = getitesp(dev);
720 ip->flags &= ~ITE_INITED;
721 iteinit(dev);
722 }
723
724 int
725 ite_param(tp, t)
726 struct tty *tp;
727 struct termios *t;
728 {
729 tp->t_ispeed = t->c_ispeed;
730 tp->t_ospeed = t->c_ospeed;
731 tp->t_cflag = t->c_cflag;
732 return (0);
733 }
734
735 void
736 ite_reset(ip)
737 struct ite_softc *ip;
738 {
739 int i;
740
741 ip->curx = 0;
742 ip->cury = 0;
743 ip->attribute = ATTR_NOR;
744 ip->save_curx = 0;
745 ip->save_cury = 0;
746 ip->save_attribute = ATTR_NOR;
747 ip->ap = ip->argbuf;
748 ip->emul_level = 0;
749 ip->eightbit_C1 = 0;
750 ip->top_margin = 0;
751 ip->bottom_margin = ip->rows - 1;
752 ip->inside_margins = 0;
753 ip->linefeed_newline = 0;
754 ip->auto_wrap = ite_default_wrap;
755 ip->cursor_appmode = 0;
756 ip->keypad_appmode = 0;
757 ip->imode = 0;
758 ip->key_repeat = 1;
759 bzero(ip->tabs, ip->cols);
760 for (i = 0; i < ip->cols; i++)
761 ip->tabs[i] = ((i & 7) == 0);
762 }
763
764 /*
765 * has to be global becuase of the shared filters.
766 */
767 static u_char key_mod;
768 static u_char last_dead;
769
770 /* Used in console at startup only */
771 int
772 ite_cnfilter(c, caller)
773 u_char c;
774 enum caller caller;
775 {
776 struct key key;
777 u_char code, up, mask;
778 int s, i;
779
780 up = c & 0x80 ? 1 : 0;
781 c &= 0x7f;
782 code = 0;
783
784 s = spltty();
785
786 i = (int)c - KBD_LEFT_SHIFT;
787 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
788 mask = 1 << i;
789 if (up)
790 key_mod &= ~mask;
791 else
792 key_mod |= mask;
793 splx(s);
794 return -1;
795 }
796
797 if (up) {
798 splx(s);
799 return -1;
800 }
801
802 /* translate modifiers */
803 if (key_mod & KBD_MOD_SHIFT) {
804 if (key_mod & KBD_MOD_ALT)
805 key = kbdmap.alt_shift_keys[c];
806 else
807 key = kbdmap.shift_keys[c];
808 } else if (key_mod & KBD_MOD_ALT)
809 key = kbdmap.alt_keys[c];
810 else {
811 key = kbdmap.keys[c];
812 /* if CAPS and key is CAPable (no pun intended) */
813 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
814 key = kbdmap.shift_keys[c];
815 }
816 code = key.code;
817
818 /* if string return */
819 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
820 splx(s);
821 return -1;
822 }
823 /* handle dead keys */
824 if (key.mode & KBD_MODE_DEAD) {
825 /* if entered twice, send accent itself */
826 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
827 last_dead = 0;
828 else {
829 last_dead = key.mode & KBD_MODE_ACCMASK;
830 splx(s);
831 return -1;
832 }
833 }
834 if (last_dead) {
835 /* can't apply dead flag to string-keys */
836 if (code >= '@' && code < 0x7f)
837 code =
838 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
839 last_dead = 0;
840 }
841 if (key_mod & KBD_MOD_CTRL)
842 code &= 0x1f;
843 if (key_mod & KBD_MOD_META)
844 code |= 0x80;
845
846 /* do console mapping. */
847 code = code == '\r' ? '\n' : code;
848
849 splx(s);
850 return (code);
851 }
852
853 /* And now the old stuff. */
854
855 /* these are used to implement repeating keys.. */
856 static u_char last_char;
857 static u_char tout_pending;
858
859
860 static void
861 ite_sifilter(void *arg1, void *arg2)
862 {
863 ite_filter((u_char)(size_t)arg1, (enum caller)(size_t)arg2);
864 }
865
866
867 /*ARGSUSED*/
868 static void
869 repeat_handler(arg)
870 void *arg;
871 {
872 tout_pending = 0;
873 if (last_char)
874 add_sicallback(ite_sifilter, (void *)(size_t)last_char,
875 (void *)(size_t)ITEFILT_REPEATER);
876 }
877
878 void
879 ite_filter(c, caller)
880 u_char c;
881 enum caller caller;
882 {
883 struct tty *kbd_tty;
884 u_char code, *str, up, mask;
885 struct key key;
886 int s, i;
887
888 if (kbd_ite == NULL || kbd_ite->tp == NULL)
889 return;
890
891 kbd_tty = kbd_ite->tp;
892
893 /* have to make sure we're at spltty in here */
894 s = spltty();
895
896 /*
897 * keyboard interrupts come at priority 2, while softint
898 * generated keyboard-repeat interrupts come at level 1. So,
899 * to not allow a key-up event to get thru before a repeat for
900 * the key-down, we remove any outstanding callout requests..
901 */
902 rem_sicallback(ite_sifilter);
903
904 up = c & 0x80 ? 1 : 0;
905 c &= 0x7f;
906 code = 0;
907
908 i = (int)c - KBD_LEFT_SHIFT;
909 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
910 mask = 1 << i;
911 if (up)
912 key_mod &= ~mask;
913 else
914 key_mod |= mask;
915 splx(s);
916 return;
917 }
918 /* stop repeating on up event */
919 if (up) {
920 if (tout_pending) {
921 untimeout(repeat_handler, 0);
922 tout_pending = 0;
923 last_char = 0;
924 }
925 splx(s);
926 return;
927 } else if (tout_pending && last_char != c) {
928 /* different character, stop also */
929 untimeout(repeat_handler, 0);
930 tout_pending = 0;
931 last_char = 0;
932 }
933 /* Safety button, switch back to ascii keymap. */
934 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
935 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
936
937 splx(s);
938 return;
939 #ifdef DDB
940 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
941 Debugger();
942 splx(s);
943 return;
944 #endif
945 }
946 /* translate modifiers */
947 if (key_mod & KBD_MOD_SHIFT) {
948 if (key_mod & KBD_MOD_ALT)
949 key = kbdmap.alt_shift_keys[c];
950 else
951 key = kbdmap.shift_keys[c];
952 } else if (key_mod & KBD_MOD_ALT)
953 key = kbdmap.alt_keys[c];
954 else {
955 key = kbdmap.keys[c];
956 /* if CAPS and key is CAPable (no pun intended) */
957 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
958 key = kbdmap.shift_keys[c];
959 }
960 code = key.code;
961
962 /*
963 * arrange to repeat the keystroke. By doing this at the level
964 * of scan-codes, we can have function keys, and keys that
965 * send strings, repeat too. This also entitles an additional
966 * overhead, since we have to do the conversion each time, but
967 * I guess that's ok.
968 */
969 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
970 tout_pending = 1;
971 last_char = c;
972 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100);
973 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
974 kbd_ite->key_repeat) {
975 tout_pending = 1;
976 last_char = c;
977 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100);
978 }
979 /* handle dead keys */
980 if (key.mode & KBD_MODE_DEAD) {
981 /* if entered twice, send accent itself */
982 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
983 last_dead = 0;
984 else {
985 last_dead = key.mode & KBD_MODE_ACCMASK;
986 splx(s);
987 return;
988 }
989 }
990 if (last_dead) {
991 /* can't apply dead flag to string-keys */
992 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
993 code < 0x7f)
994 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
995 last_dead = 0;
996 }
997 /* if not string, apply META and CTRL modifiers */
998 if (!(key.mode & KBD_MODE_STRING)
999 && (!(key.mode & KBD_MODE_KPAD) ||
1000 (kbd_ite && !kbd_ite->keypad_appmode))) {
1001 if (key_mod & KBD_MOD_CTRL)
1002 code &= 0x1f;
1003 if (key_mod & KBD_MOD_META)
1004 code |= 0x80;
1005 } else if ((key.mode & KBD_MODE_KPAD) &&
1006 (kbd_ite && kbd_ite->keypad_appmode)) {
1007 static char in[] = {
1008 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */,
1009 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */,
1010 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */,
1011 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */,
1012 0x5c /* / */, 0x5d /* * */
1013 };
1014 static char *out = "pqrstuvwxymlnMPQRS";
1015 char *cp = index (in, c);
1016
1017 /*
1018 * keypad-appmode sends SS3 followed by the above
1019 * translated character
1020 */
1021 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
1022 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty);
1023 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
1024 splx(s);
1025 return;
1026 } else {
1027 /* *NO* I don't like this.... */
1028 static u_char app_cursor[] =
1029 {
1030 3, 27, 'O', 'A',
1031 3, 27, 'O', 'B',
1032 3, 27, 'O', 'C',
1033 3, 27, 'O', 'D'};
1034
1035 str = kbdmap.strings + code;
1036 /*
1037 * if this is a cursor key, AND it has the default
1038 * keymap setting, AND we're in app-cursor mode, switch
1039 * to the above table. This is *nasty* !
1040 */
1041 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
1042 && !bcmp(str, "\x03\x1b[", 3) &&
1043 index("ABCD", str[3]))
1044 str = app_cursor + 4 * (str[3] - 'A');
1045
1046 /*
1047 * using a length-byte instead of 0-termination allows
1048 * to embed \0 into strings, although this is not used
1049 * in the default keymap
1050 */
1051 for (i = *str++; i; i--)
1052 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1053 splx(s);
1054 return;
1055 }
1056 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
1057
1058 splx(s);
1059 return;
1060 }
1061
1062 /* helper functions, makes the code below more readable */
1063 inline static void
1064 ite_sendstr(str)
1065 char *str;
1066 {
1067 struct tty *kbd_tty;
1068
1069 kbd_tty = kbd_ite->tp;
1070 KDASSERT(kbd_tty);
1071 while (*str)
1072 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1073 }
1074
1075 static void
1076 alignment_display(ip)
1077 struct ite_softc *ip;
1078 {
1079 int i, j;
1080
1081 for (j = 0; j < ip->rows; j++)
1082 for (i = 0; i < ip->cols; i++)
1083 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1084 attrclr(ip, 0, 0, ip->rows, ip->cols);
1085 SUBR_CURSOR(ip, DRAW_CURSOR);
1086 }
1087
1088 inline static void
1089 snap_cury(ip)
1090 struct ite_softc *ip;
1091 {
1092 if (ip->inside_margins)
1093 {
1094 if (ip->cury < ip->top_margin)
1095 ip->cury = ip->top_margin;
1096 if (ip->cury > ip->bottom_margin)
1097 ip->cury = ip->bottom_margin;
1098 }
1099 }
1100
1101 inline static void
1102 ite_dnchar(ip, n)
1103 struct ite_softc *ip;
1104 int n;
1105 {
1106 n = min(n, ip->cols - ip->curx);
1107 if (n < ip->cols - ip->curx)
1108 {
1109 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1110 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1111 1, ip->cols - ip->curx - n);
1112 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1113 }
1114 while (n-- > 0)
1115 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1116 SUBR_CURSOR(ip, DRAW_CURSOR);
1117 }
1118
1119 inline static void
1120 ite_inchar(ip, n)
1121 struct ite_softc *ip;
1122 int n;
1123 {
1124 n = min(n, ip->cols - ip->curx);
1125 if (n < ip->cols - ip->curx)
1126 {
1127 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1128 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1129 1, ip->cols - ip->curx - n);
1130 attrclr(ip, ip->cury, ip->curx, 1, n);
1131 }
1132 while (n--)
1133 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1134 SUBR_CURSOR(ip, DRAW_CURSOR);
1135 }
1136
1137 inline static void
1138 ite_clrtoeol(ip)
1139 struct ite_softc *ip;
1140 {
1141 int y = ip->cury, x = ip->curx;
1142 if (ip->cols - x > 0)
1143 {
1144 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1145 attrclr(ip, y, x, 1, ip->cols - x);
1146 SUBR_CURSOR(ip, DRAW_CURSOR);
1147 }
1148 }
1149
1150 inline static void
1151 ite_clrtobol(ip)
1152 struct ite_softc *ip;
1153 {
1154 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1155 SUBR_CLEAR(ip, y, 0, 1, x);
1156 attrclr(ip, y, 0, 1, x);
1157 SUBR_CURSOR(ip, DRAW_CURSOR);
1158 }
1159
1160 inline static void
1161 ite_clrline(ip)
1162 struct ite_softc *ip;
1163 {
1164 int y = ip->cury;
1165 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1166 attrclr(ip, y, 0, 1, ip->cols);
1167 SUBR_CURSOR(ip, DRAW_CURSOR);
1168 }
1169
1170
1171
1172 inline static void
1173 ite_clrtoeos(ip)
1174 struct ite_softc *ip;
1175 {
1176 ite_clrtoeol(ip);
1177 if (ip->cury < ip->rows - 1)
1178 {
1179 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1180 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1181 SUBR_CURSOR(ip, DRAW_CURSOR);
1182 }
1183 }
1184
1185 inline static void
1186 ite_clrtobos(ip)
1187 struct ite_softc *ip;
1188 {
1189 ite_clrtobol(ip);
1190 if (ip->cury > 0)
1191 {
1192 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1193 attrclr(ip, 0, 0, ip->cury, ip->cols);
1194 SUBR_CURSOR(ip, DRAW_CURSOR);
1195 }
1196 }
1197
1198 inline static void
1199 ite_clrscreen(ip)
1200 struct ite_softc *ip;
1201 {
1202 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1203 attrclr(ip, 0, 0, ip->rows, ip->cols);
1204 SUBR_CURSOR(ip, DRAW_CURSOR);
1205 }
1206
1207
1208
1209 inline static void
1210 ite_dnline(ip, n)
1211 struct ite_softc *ip;
1212 int n;
1213 {
1214 /* interesting.. if the cursor is outside the scrolling
1215 region, this command is simply ignored.. */
1216 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1217 return;
1218
1219 n = min(n, ip->bottom_margin + 1 - ip->cury);
1220 if (n <= ip->bottom_margin - ip->cury)
1221 {
1222 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1223 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1224 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1225 }
1226 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1227 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1228 SUBR_CURSOR(ip, DRAW_CURSOR);
1229 }
1230
1231 inline static void
1232 ite_inline(ip, n)
1233 struct ite_softc *ip;
1234 int n;
1235 {
1236 /* interesting.. if the cursor is outside the scrolling
1237 region, this command is simply ignored.. */
1238 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1239 return;
1240
1241 n = min(n, ip->bottom_margin + 1 - ip->cury);
1242 if (n <= ip->bottom_margin - ip->cury)
1243 {
1244 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1245 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1246 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1247 }
1248 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1249 attrclr(ip, ip->cury, 0, n, ip->cols);
1250 SUBR_CURSOR(ip, DRAW_CURSOR);
1251 }
1252
1253 inline static void
1254 ite_lf (ip)
1255 struct ite_softc *ip;
1256 {
1257 ++ip->cury;
1258 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1259 {
1260 ip->cury--;
1261 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1262 ite_clrline(ip);
1263 }
1264 SUBR_CURSOR(ip, MOVE_CURSOR);
1265 clr_attr(ip, ATTR_INV);
1266 }
1267
1268 inline static void
1269 ite_crlf (ip)
1270 struct ite_softc *ip;
1271 {
1272 ip->curx = 0;
1273 ite_lf (ip);
1274 }
1275
1276 inline static void
1277 ite_cr (ip)
1278 struct ite_softc *ip;
1279 {
1280 if (ip->curx)
1281 {
1282 ip->curx = 0;
1283 SUBR_CURSOR(ip, MOVE_CURSOR);
1284 }
1285 }
1286
1287 inline static void
1288 ite_rlf (ip)
1289 struct ite_softc *ip;
1290 {
1291 ip->cury--;
1292 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1293 {
1294 ip->cury++;
1295 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1296 ite_clrline(ip);
1297 }
1298 SUBR_CURSOR(ip, MOVE_CURSOR);
1299 clr_attr(ip, ATTR_INV);
1300 }
1301
1302 inline static int
1303 atoi (cp)
1304 const char *cp;
1305 {
1306 int n;
1307
1308 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1309 n = n * 10 + *cp - '0';
1310
1311 return n;
1312 }
1313
1314 static char *
1315 index (cp, ch)
1316 const char *cp;
1317 char ch;
1318 {
1319 while (*cp && *cp != ch) cp++;
1320 return *cp ? (char *) cp : 0;
1321 }
1322
1323
1324
1325 inline static int
1326 ite_argnum (ip)
1327 struct ite_softc *ip;
1328 {
1329 char ch;
1330 int n;
1331
1332 /* convert argument string into number */
1333 if (ip->ap == ip->argbuf)
1334 return 1;
1335 ch = *ip->ap;
1336 *ip->ap = 0;
1337 n = atoi (ip->argbuf);
1338 *ip->ap = ch;
1339
1340 return n;
1341 }
1342
1343 inline static int
1344 ite_zargnum (ip)
1345 struct ite_softc *ip;
1346 {
1347 char ch;
1348 int n;
1349
1350 /* convert argument string into number */
1351 if (ip->ap == ip->argbuf)
1352 return 0;
1353 ch = *ip->ap;
1354 *ip->ap = 0;
1355 n = atoi (ip->argbuf);
1356 *ip->ap = ch;
1357
1358 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1359 }
1360
1361 void
1362 ite_putstr(s, len, dev)
1363 const char *s;
1364 int len;
1365 dev_t dev;
1366 {
1367 struct ite_softc *ip;
1368 int i;
1369
1370 ip = getitesp(dev);
1371
1372 /* XXX avoid problems */
1373 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1374 return;
1375
1376 SUBR_CURSOR(ip, START_CURSOROPT);
1377 for (i = 0; i < len; i++)
1378 if (s[i])
1379 iteputchar(s[i], ip);
1380 SUBR_CURSOR(ip, END_CURSOROPT);
1381 }
1382
1383 static void
1384 iteprecheckwrap(ip)
1385 struct ite_softc *ip;
1386 {
1387 if (ip->auto_wrap && ip->curx == ip->cols) {
1388 ip->curx = 0;
1389 clr_attr(ip, ATTR_INV);
1390 if (++ip->cury >= ip->bottom_margin + 1) {
1391 ip->cury = ip->bottom_margin;
1392 SUBR_CURSOR(ip, MOVE_CURSOR);
1393 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1394 ite_clrtoeol(ip);
1395 } else
1396 SUBR_CURSOR(ip, MOVE_CURSOR);
1397 }
1398 }
1399
1400 static void
1401 itecheckwrap(ip)
1402 struct ite_softc *ip;
1403 {
1404 #if 0
1405 if (++ip->curx == ip->cols) {
1406 if (ip->auto_wrap) {
1407 ip->curx = 0;
1408 clr_attr(ip, ATTR_INV);
1409 if (++ip->cury >= ip->bottom_margin + 1) {
1410 ip->cury = ip->bottom_margin;
1411 SUBR_CURSOR(ip, MOVE_CURSOR);
1412 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1413 ite_clrtoeol(ip);
1414 return;
1415 }
1416 } else
1417 /* stay there if no autowrap.. */
1418 ip->curx--;
1419 }
1420 #else
1421 if (ip->curx < ip->cols) {
1422 ip->curx++;
1423 SUBR_CURSOR(ip, MOVE_CURSOR);
1424 }
1425 #endif
1426 }
1427
1428 void
1429 iteputchar(c, ip)
1430 register int c;
1431 struct ite_softc *ip;
1432 {
1433 struct tty *kbd_tty;
1434 int n, x, y;
1435 char *cp;
1436
1437 if (kbd_ite == NULL)
1438 kbd_tty = NULL;
1439 else
1440 kbd_tty = kbd_ite->tp;
1441
1442 if (ip->escape) {
1443 switch (ip->escape) {
1444 case ESC:
1445 switch (c) {
1446 /*
1447 * first 7bit equivalents for the
1448 * 8bit control characters
1449 */
1450 case 'D':
1451 c = IND;
1452 ip->escape = 0;
1453 break;
1454 /*
1455 * and fall into the next
1456 * switch below (same for all `break')
1457 */
1458 case 'E':
1459 c = NEL;
1460 ip->escape = 0;
1461 break;
1462 case 'H':
1463 c = HTS;
1464 ip->escape = 0;
1465 break;
1466 case 'M':
1467 c = RI;
1468 ip->escape = 0;
1469 break;
1470 case 'N':
1471 c = SS2;
1472 ip->escape = 0;
1473 break;
1474 case 'O':
1475 c = SS3;
1476 ip->escape = 0;
1477 break;
1478 case 'P':
1479 c = DCS;
1480 ip->escape = 0;
1481 break;
1482 case '[':
1483 c = CSI;
1484 ip->escape = 0;
1485 break;
1486 case '\\':
1487 c = ST;
1488 ip->escape = 0;
1489 break;
1490 case ']':
1491 c = OSC;
1492 ip->escape = 0;
1493 break;
1494 case '^':
1495 c = PM;
1496 ip->escape = 0;
1497 break;
1498 case '_':
1499 c = APC;
1500 ip->escape = 0;
1501 break;
1502 /* introduces 7/8bit control */
1503 case ' ':
1504 /* can be followed by either F or G */
1505 ip->escape = ' ';
1506 break;
1507 /*
1508 * a lot of character set selections, not yet
1509 * used... 94-character sets:
1510 */
1511 case '(': /* G0 */
1512 case ')': /* G1 */
1513 ip->escape = c;
1514 return;
1515 case '*': /* G2 */
1516 case '+': /* G3 */
1517 case 'B': /* ASCII */
1518 case 'A': /* ISO latin 1 */
1519 case '<': /* user preferred suplemental */
1520 case '0': /* dec special graphics */
1521 /*
1522 * 96-character sets:
1523 */
1524 case '-': /* G1 */
1525 case '.': /* G2 */
1526 case '/': /* G3 */
1527 /*
1528 * national character sets:
1529 */
1530 case '4': /* dutch */
1531 case '5':
1532 case 'C': /* finnish */
1533 case 'R': /* french */
1534 case 'Q': /* french canadian */
1535 case 'K': /* german */
1536 case 'Y': /* italian */
1537 case '6': /* norwegian/danish */
1538 /*
1539 * note: %5 and %6 are not supported (two
1540 * chars..)
1541 */
1542 ip->escape = 0;
1543 /* just ignore for now */
1544 return;
1545 /*
1546 * locking shift modes (as you might guess, not
1547 * yet supported..)
1548 */
1549 case '`':
1550 ip->GR = ip->G1;
1551 ip->escape = 0;
1552 return;
1553 case 'n':
1554 ip->GL = ip->G2;
1555 ip->escape = 0;
1556 return;
1557 case '}':
1558 ip->GR = ip->G2;
1559 ip->escape = 0;
1560 return;
1561 case 'o':
1562 ip->GL = ip->G3;
1563 ip->escape = 0;
1564 return;
1565 case '|':
1566 ip->GR = ip->G3;
1567 ip->escape = 0;
1568 return;
1569 case '#':
1570 /* font width/height control */
1571 ip->escape = '#';
1572 return;
1573 case 'c':
1574 /* hard terminal reset .. */
1575 ite_reset(ip);
1576 SUBR_CURSOR(ip, MOVE_CURSOR);
1577 ip->escape = 0;
1578 return;
1579 case '7':
1580 ip->save_curx = ip->curx;
1581 ip->save_cury = ip->cury;
1582 ip->save_attribute = ip->attribute;
1583 ip->escape = 0;
1584 return;
1585 case '8':
1586 ip->curx = ip->save_curx;
1587 ip->cury = ip->save_cury;
1588 ip->attribute = ip->save_attribute;
1589 SUBR_CURSOR(ip, MOVE_CURSOR);
1590 ip->escape = 0;
1591 return;
1592 case '=':
1593 ip->keypad_appmode = 1;
1594 ip->escape = 0;
1595 return;
1596 case '>':
1597 ip->keypad_appmode = 0;
1598 ip->escape = 0;
1599 return;
1600 case 'Z': /* request ID */
1601 /* XXX not clean */
1602 if (ip->emul_level == EMUL_VT100)
1603 ite_sendstr("\033[?61;0c");
1604 else
1605 ite_sendstr("\033[?63;0c");
1606 ip->escape = 0;
1607 return;
1608 default:
1609 /*
1610 * default catch all for not recognized ESC
1611 * sequences
1612 */
1613 ip->escape = 0;
1614 return;
1615 }
1616 break;
1617 case '(':
1618 case ')':
1619 ip->escape = 0;
1620 return;
1621 case ' ':
1622 switch (c) {
1623 case 'F':
1624 ip->eightbit_C1 = 0;
1625 ip->escape = 0;
1626 return;
1627 case 'G':
1628 ip->eightbit_C1 = 1;
1629 ip->escape = 0;
1630 return;
1631 default:
1632 /* not supported */
1633 ip->escape = 0;
1634 return;
1635 }
1636 break;
1637 case '#':
1638 switch (c) {
1639 case '5':
1640 /* single height, single width */
1641 ip->escape = 0;
1642 return;
1643 case '6':
1644 /* double width, single height */
1645 ip->escape = 0;
1646 return;
1647 case '3':
1648 /* top half */
1649 ip->escape = 0;
1650 return;
1651 case '4':
1652 /* bottom half */
1653 ip->escape = 0;
1654 return;
1655 case '8':
1656 /* screen alignment pattern... */
1657 alignment_display(ip);
1658 ip->escape = 0;
1659 return;
1660 default:
1661 ip->escape = 0;
1662 return;
1663 }
1664 break;
1665 case CSI:
1666 /* the biggie... */
1667 switch (c) {
1668 case '0':
1669 case '1':
1670 case '2':
1671 case '3':
1672 case '4':
1673 case '5':
1674 case '6':
1675 case '7':
1676 case '8':
1677 case '9':
1678 case ';':
1679 case '\"':
1680 case '$':
1681 case '>':
1682 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1683 *ip->ap++ = c;
1684 return;
1685 case BS:
1686 /*
1687 * you wouldn't believe such perversion is
1688 * possible? it is.. BS is allowed in between
1689 * cursor sequences (at least), according to
1690 * vttest..
1691 */
1692 if (--ip->curx < 0)
1693 ip->curx = 0;
1694 else
1695 SUBR_CURSOR(ip, MOVE_CURSOR);
1696 break;
1697 case 'p':
1698 *ip->ap = 0;
1699 if (!strncmp(ip->argbuf, "61\"", 3))
1700 ip->emul_level = EMUL_VT100;
1701 else if (!strncmp(ip->argbuf, "63;1\"", 5)
1702 || !strncmp(ip->argbuf, "62;1\"", 5))
1703 ip->emul_level = EMUL_VT300_7;
1704 else
1705 ip->emul_level = EMUL_VT300_8;
1706 ip->escape = 0;
1707 return;
1708 case '?':
1709 *ip->ap = 0;
1710 ip->escape = '?';
1711 ip->ap = ip->argbuf;
1712 return;
1713 case 'c':
1714 *ip->ap = 0;
1715 if (ip->argbuf[0] == '>') {
1716 ite_sendstr("\033[>24;0;0;0c");
1717 } else
1718 switch (ite_zargnum(ip)) {
1719 case 0:
1720 /*
1721 * primary DA request, send
1722 * primary DA response
1723 */
1724 if (ip->emul_level
1725 == EMUL_VT100)
1726 ite_sendstr(
1727 "\033[?1;1c");
1728 else
1729 ite_sendstr(
1730 "\033[?63;1c");
1731 break;
1732 }
1733 ip->escape = 0;
1734 return;
1735 case 'n':
1736 switch (ite_zargnum(ip)) {
1737 case 5:
1738 /* no malfunction */
1739 ite_sendstr("\033[0n");
1740 break;
1741 case 6:
1742 /* cursor position report */
1743 sprintf(ip->argbuf, "\033[%d;%dR",
1744 ip->cury + 1, ip->curx + 1);
1745 ite_sendstr(ip->argbuf);
1746 break;
1747 }
1748 ip->escape = 0;
1749 return;
1750 case 'x':
1751 switch (ite_zargnum(ip)) {
1752 case 0:
1753 /* Fake some terminal parameters. */
1754 ite_sendstr("\033[2;1;1;112;112;1;0x");
1755 break;
1756 case 1:
1757 ite_sendstr("\033[3;1;1;112;112;1;0x");
1758 break;
1759 }
1760 ip->escape = 0;
1761 return;
1762 case 'g':
1763 switch (ite_zargnum(ip)) {
1764 case 0:
1765 if (ip->curx < ip->cols)
1766 ip->tabs[ip->curx] = 0;
1767 break;
1768 case 3:
1769 for (n = 0; n < ip->cols; n++)
1770 ip->tabs[n] = 0;
1771 break;
1772 }
1773 ip->escape = 0;
1774 return;
1775 case 'h':
1776 case 'l':
1777 n = ite_zargnum(ip);
1778 switch (n) {
1779 case 4:
1780 /* insert/replace mode */
1781 ip->imode = (c == 'h');
1782 break;
1783 case 20:
1784 ip->linefeed_newline = (c == 'h');
1785 break;
1786 }
1787 ip->escape = 0;
1788 return;
1789 case 'M':
1790 ite_dnline(ip, ite_argnum(ip));
1791 ip->escape = 0;
1792 return;
1793 case 'L':
1794 ite_inline(ip, ite_argnum(ip));
1795 ip->escape = 0;
1796 return;
1797 case 'P':
1798 ite_dnchar(ip, ite_argnum(ip));
1799 ip->escape = 0;
1800 return;
1801 case '@':
1802 ite_inchar(ip, ite_argnum(ip));
1803 ip->escape = 0;
1804 return;
1805 case 'G':
1806 /*
1807 * this one was *not* in my vt320 manual but in
1808 * a vt320 termcap entry.. who is right? It's
1809 * supposed to set the horizontal cursor
1810 * position.
1811 */
1812 *ip->ap = 0;
1813 x = atoi(ip->argbuf);
1814 if (x)
1815 x--;
1816 ip->curx = min(x, ip->cols - 1);
1817 ip->escape = 0;
1818 SUBR_CURSOR(ip, MOVE_CURSOR);
1819 clr_attr(ip, ATTR_INV);
1820 return;
1821 case 'd':
1822 /*
1823 * same thing here, this one's for setting the
1824 * absolute vertical cursor position. Not
1825 * documented...
1826 */
1827 *ip->ap = 0;
1828 y = atoi(ip->argbuf);
1829 if (y)
1830 y--;
1831 if (ip->inside_margins)
1832 y += ip->top_margin;
1833 ip->cury = min(y, ip->rows - 1);
1834 ip->escape = 0;
1835 snap_cury(ip);
1836 SUBR_CURSOR(ip, MOVE_CURSOR);
1837 clr_attr(ip, ATTR_INV);
1838 return;
1839 case 'H':
1840 case 'f':
1841 *ip->ap = 0;
1842 y = atoi(ip->argbuf);
1843 x = 0;
1844 cp = index(ip->argbuf, ';');
1845 if (cp)
1846 x = atoi(cp + 1);
1847 if (x)
1848 x--;
1849 if (y)
1850 y--;
1851 if (ip->inside_margins)
1852 y += ip->top_margin;
1853 ip->cury = min(y, ip->rows - 1);
1854 ip->curx = min(x, ip->cols - 1);
1855 ip->escape = 0;
1856 snap_cury(ip);
1857 SUBR_CURSOR(ip, MOVE_CURSOR);
1858 clr_attr(ip, ATTR_INV);
1859 return;
1860 case 'A':
1861 n = ite_argnum(ip);
1862 n = ip->cury - (n ? n : 1);
1863 if (n < 0)
1864 n = 0;
1865 if (ip->inside_margins)
1866 n = max(ip->top_margin, n);
1867 else if (n == ip->top_margin - 1)
1868 /*
1869 * allow scrolling outside region, but
1870 * don't scroll out of active region
1871 * without explicit CUP
1872 */
1873 n = ip->top_margin;
1874 ip->cury = n;
1875 ip->escape = 0;
1876 SUBR_CURSOR(ip, MOVE_CURSOR);
1877 clr_attr(ip, ATTR_INV);
1878 return;
1879 case 'B':
1880 n = ite_argnum(ip);
1881 n = ip->cury + (n ? n : 1);
1882 n = min(ip->rows - 1, n);
1883 if (ip->inside_margins)
1884 n = min(ip->bottom_margin, n);
1885 else if (n == ip->bottom_margin + 1)
1886 /*
1887 * allow scrolling outside region, but
1888 * don't scroll out of active region
1889 * without explicit CUP
1890 */
1891 n = ip->bottom_margin;
1892 ip->cury = n;
1893 ip->escape = 0;
1894 SUBR_CURSOR(ip, MOVE_CURSOR);
1895 clr_attr(ip, ATTR_INV);
1896 return;
1897 case 'C':
1898 n = ite_argnum(ip);
1899 n = n ? n : 1;
1900 ip->curx = min(ip->curx + n, ip->cols - 1);
1901 ip->escape = 0;
1902 SUBR_CURSOR(ip, MOVE_CURSOR);
1903 clr_attr(ip, ATTR_INV);
1904 return;
1905 case 'D':
1906 n = ite_argnum(ip);
1907 n = n ? n : 1;
1908 n = ip->curx - n;
1909 ip->curx = n >= 0 ? n : 0;
1910 ip->escape = 0;
1911 SUBR_CURSOR(ip, MOVE_CURSOR);
1912 clr_attr(ip, ATTR_INV);
1913 return;
1914 case 'J':
1915 *ip->ap = 0;
1916 n = ite_zargnum(ip);
1917 if (n == 0)
1918 ite_clrtoeos(ip);
1919 else if (n == 1)
1920 ite_clrtobos(ip);
1921 else if (n == 2)
1922 ite_clrscreen(ip);
1923 ip->escape = 0;
1924 return;
1925 case 'K':
1926 n = ite_zargnum(ip);
1927 if (n == 0)
1928 ite_clrtoeol(ip);
1929 else if (n == 1)
1930 ite_clrtobol(ip);
1931 else if (n == 2)
1932 ite_clrline(ip);
1933 ip->escape = 0;
1934 return;
1935 case 'X':
1936 n = ite_argnum(ip) - 1;
1937 n = min(n, ip->cols - 1 - ip->curx);
1938 for (; n >= 0; n--) {
1939 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1940 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1941 }
1942 ip->escape = 0;
1943 return;
1944 case '}':
1945 case '`':
1946 /* status line control */
1947 ip->escape = 0;
1948 return;
1949 case 'r':
1950 *ip->ap = 0;
1951 x = atoi(ip->argbuf);
1952 x = x ? x : 1;
1953 y = ip->rows;
1954 cp = index(ip->argbuf, ';');
1955 if (cp) {
1956 y = atoi(cp + 1);
1957 y = y ? y : ip->rows;
1958 }
1959 if (y - x < 2) {
1960 /*
1961 * if illegal scrolling region, reset
1962 * to defaults
1963 */
1964 x = 1;
1965 y = ip->rows;
1966 }
1967 x--;
1968 y--;
1969 ip->top_margin = min(x, ip->rows - 1);
1970 ip->bottom_margin = min(y, ip->rows - 1);
1971 if (ip->inside_margins) {
1972 ip->cury = ip->top_margin;
1973 ip->curx = 0;
1974 SUBR_CURSOR(ip, MOVE_CURSOR);
1975 }
1976 ip->escape = 0;
1977 return;
1978 case 'm':
1979 /* big attribute setter/resetter */
1980 { char *cp;
1981 *ip->ap = 0;
1982 /* kludge to make CSIm work (== CSI0m) */
1983 if (ip->ap == ip->argbuf)
1984 ip->ap++;
1985 for (cp = ip->argbuf; cp < ip->ap;) {
1986 switch (*cp) {
1987 case 0:
1988 case '0':
1989 clr_attr(ip, ATTR_ALL);
1990 cp++;
1991 break;
1992
1993 case '1':
1994 set_attr(ip, ATTR_BOLD);
1995 cp++;
1996 break;
1997
1998 case '2':
1999 switch (cp[1]) {
2000 case '2':
2001 clr_attr(ip, ATTR_BOLD);
2002 cp += 2;
2003 break;
2004
2005 case '4':
2006 clr_attr(ip, ATTR_UL);
2007 cp += 2;
2008 break;
2009
2010 case '5':
2011 clr_attr(ip, ATTR_BLINK);
2012 cp += 2;
2013 break;
2014
2015 case '7':
2016 clr_attr(ip, ATTR_INV);
2017 cp += 2;
2018 break;
2019
2020 default:
2021 cp++;
2022 break;
2023 }
2024 break;
2025
2026 case '4':
2027 set_attr(ip, ATTR_UL);
2028 cp++;
2029 break;
2030
2031 case '5':
2032 set_attr(ip, ATTR_BLINK);
2033 cp++;
2034 break;
2035
2036 case '7':
2037 set_attr(ip, ATTR_INV);
2038 cp++;
2039 break;
2040
2041 default:
2042 cp++;
2043 break;
2044 }
2045 }
2046 ip->escape = 0;
2047 return; }
2048 case 'u':
2049 /* DECRQTSR */
2050 ite_sendstr("\033P\033\\");
2051 ip->escape = 0;
2052 return;
2053 default:
2054 ip->escape = 0;
2055 return;
2056 }
2057 break;
2058 case '?': /* CSI ? */
2059 switch (c) {
2060 case '0':
2061 case '1':
2062 case '2':
2063 case '3':
2064 case '4':
2065 case '5':
2066 case '6':
2067 case '7':
2068 case '8':
2069 case '9':
2070 case ';':
2071 case '\"':
2072 case '$':
2073 /*
2074 * Don't fill the last character;
2075 * it's needed.
2076 * XXX yeah, where ??
2077 */
2078 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2079 *ip->ap++ = c;
2080 return;
2081 case 'n':
2082 *ip->ap = 0;
2083 if (ip->ap == &ip->argbuf[2]) {
2084 if (!strncmp(ip->argbuf, "15", 2))
2085 /* printer status: no printer */
2086 ite_sendstr("\033[13n");
2087
2088 else if (!strncmp(ip->argbuf, "25", 2))
2089 /* udk status */
2090 ite_sendstr("\033[20n");
2091
2092 else if (!strncmp(ip->argbuf, "26", 2))
2093 /* keyboard dialect: US */
2094 ite_sendstr("\033[27;1n");
2095 }
2096 ip->escape = 0;
2097 return;
2098 case 'h':
2099 case 'l':
2100 n = ite_zargnum(ip);
2101 switch (n) {
2102 case 1:
2103 ip->cursor_appmode = (c == 'h');
2104 break;
2105 case 3:
2106 /* 132/80 columns (132 == 'h') */
2107 break;
2108 case 4: /* smooth scroll */
2109 break;
2110 case 5:
2111 /*
2112 * light background (=='h') /dark
2113 * background(=='l')
2114 */
2115 break;
2116 case 6: /* origin mode */
2117 ip->inside_margins = (c == 'h');
2118 ip->curx = 0;
2119 ip->cury = ip->inside_margins ?
2120 ip->top_margin : 0;
2121 SUBR_CURSOR(ip, MOVE_CURSOR);
2122 break;
2123 case 7: /* auto wraparound */
2124 ip->auto_wrap = (c == 'h');
2125 break;
2126 case 8: /* keyboard repeat */
2127 ip->key_repeat = (c == 'h');
2128 break;
2129 case 20: /* newline mode */
2130 ip->linefeed_newline = (c == 'h');
2131 break;
2132 case 25: /* cursor on/off */
2133 SUBR_CURSOR(ip, (c == 'h') ?
2134 DRAW_CURSOR : ERASE_CURSOR);
2135 break;
2136 }
2137 ip->escape = 0;
2138 return;
2139 default:
2140 ip->escape = 0;
2141 return;
2142 }
2143 break;
2144 default:
2145 ip->escape = 0;
2146 return;
2147 }
2148 }
2149 switch (c) {
2150 case VT: /* VT is treated like LF */
2151 case FF: /* so is FF */
2152 case LF:
2153 /*
2154 * cr->crlf distinction is done here, on output, not on input!
2155 */
2156 if (ip->linefeed_newline)
2157 ite_crlf(ip);
2158 else
2159 ite_lf(ip);
2160 break;
2161 case CR:
2162 ite_cr(ip);
2163 break;
2164 case BS:
2165 if (--ip->curx < 0)
2166 ip->curx = 0;
2167 else
2168 SUBR_CURSOR(ip, MOVE_CURSOR);
2169 break;
2170 case HT:
2171 for (n = ip->curx + 1; n < ip->cols; n++) {
2172 if (ip->tabs[n]) {
2173 ip->curx = n;
2174 SUBR_CURSOR(ip, MOVE_CURSOR);
2175 break;
2176 }
2177 }
2178 break;
2179 case BEL:
2180 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty
2181 #ifdef DRACO
2182 && !is_draco()
2183 #endif
2184 )
2185 ite_bell();
2186 break;
2187 case SO:
2188 ip->GL = ip->G1;
2189 break;
2190 case SI:
2191 ip->GL = ip->G0;
2192 break;
2193 case ENQ:
2194 /* send answer-back message !! */
2195 break;
2196 case CAN:
2197 ip->escape = 0; /* cancel any escape sequence in progress */
2198 break;
2199 case SUB:
2200 ip->escape = 0; /* dito, but see below */
2201 /* should also display a reverse question mark!! */
2202 break;
2203 case ESC:
2204 ip->escape = ESC;
2205 break;
2206 /*
2207 * now it gets weird.. 8bit control sequences..
2208 */
2209 case IND:
2210 /* index: move cursor down, scroll */
2211 ite_lf(ip);
2212 break;
2213 case NEL:
2214 /* next line. next line, first pos. */
2215 ite_crlf(ip);
2216 break;
2217 case HTS:
2218 /* set horizontal tab */
2219 if (ip->curx < ip->cols)
2220 ip->tabs[ip->curx] = 1;
2221 break;
2222 case RI:
2223 /* reverse index */
2224 ite_rlf(ip);
2225 break;
2226 case SS2:
2227 /* go into G2 for one character */
2228 /* not yet supported */
2229 break;
2230 case SS3:
2231 /* go into G3 for one character */
2232 break;
2233 case DCS:
2234 /* device control string introducer */
2235 ip->escape = DCS;
2236 ip->ap = ip->argbuf;
2237 break;
2238 case CSI:
2239 /* control sequence introducer */
2240 ip->escape = CSI;
2241 ip->ap = ip->argbuf;
2242 break;
2243 case ST:
2244 /* string terminator */
2245 /* ignore, if not used as terminator */
2246 break;
2247 case OSC:
2248 /*
2249 * introduces OS command. Ignore everything
2250 * upto ST
2251 */
2252 ip->escape = OSC;
2253 break;
2254 case PM:
2255 /* privacy message, ignore everything upto ST */
2256 ip->escape = PM;
2257 break;
2258 case APC:
2259 /*
2260 * application program command, ignore * everything upto ST
2261 */
2262 ip->escape = APC;
2263 break;
2264 default:
2265 if ((c & 0x7f) < ' ' || c == DEL)
2266 break;
2267 if (ip->imode)
2268 ite_inchar(ip, 1);
2269 iteprecheckwrap(ip);
2270 #ifdef DO_WEIRD_ATTRIBUTES
2271 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2272 attrset(ip, ATTR_INV);
2273 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2274 } else
2275 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2276 #else
2277 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2278 #endif
2279 SUBR_CURSOR(ip, DRAW_CURSOR);
2280 itecheckwrap(ip);
2281 break;
2282 }
2283 }
2284
2285