ite.c revision 1.50 1 /* $NetBSD: ite.c,v 1.50 1998/03/25 22:14:13 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/fcntl.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/color.h> /* DEBUG */
63 #include <amiga/amiga/custom.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 <machine/cpu.h> /* for is_draco() */
73
74 #include <sys/conf.h>
75 #include <machine/conf.h>
76
77 #include "grfcc.h"
78 #include "ite.h"
79
80 /*
81 * XXX go ask sys/kern/tty.c:ttselect()
82 */
83
84 #define ITEUNIT(dev) (minor(dev))
85
86 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
87 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
88 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
89 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
90 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
91 #define SUBR_SCROLL(ip,sy,sx,count,dir) \
92 (ip)->grf->g_itescroll(ip,sy,sx,count,dir)
93
94 u_int ite_confunits; /* configured units */
95
96 int start_repeat_timeo = 30; /* first repeat after x s/100 */
97 int next_repeat_timeo = 10; /* next repeat after x s/100 */
98
99 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
100
101 struct ite_softc con_itesoftc;
102 u_char cons_tabs[MAX_TABS];
103
104 struct ite_softc *kbd_ite;
105
106 /* audio bell stuff */
107 u_int bvolume = 10;
108 u_int bpitch = 660;
109 u_int bmsec = 75;
110
111 static char *bsamplep;
112 static char sample[20] = {
113 0,39,75,103,121,127,121,103,75,39,0,
114 -39,-75,-103,-121,-127,-121,-103,-75,-39
115 };
116
117 static char *index __P((const char *, char));
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 && tp->t_wopen == 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_CARR_ON;
465 ttsetwater(tp);
466 }
467 error = ttyopen(tp, 0, mode & O_NONBLOCK);
468 if (error)
469 goto bad;
470
471 error = (*linesw[tp->t_line].l_open) (dev, tp);
472 if (error)
473 goto bad;
474
475 tp->t_winsize.ws_row = ip->rows;
476 tp->t_winsize.ws_col = ip->cols;
477 kbdenable();
478 return (0);
479 bad:
480 if (first)
481 ite_off(dev, 0);
482 return (error);
483 }
484
485 int
486 iteclose(dev, flag, mode, p)
487 dev_t dev;
488 int flag, mode;
489 struct proc *p;
490 {
491 struct tty *tp;
492
493 tp = getitesp(dev)->tp;
494
495 KDASSERT(tp);
496 (*linesw[tp->t_line].l_close) (tp, flag);
497 ttyclose(tp);
498 ite_off(dev, 0);
499 return (0);
500 }
501
502 int
503 iteread(dev, uio, flag)
504 dev_t dev;
505 struct uio *uio;
506 int flag;
507 {
508 struct tty *tp;
509
510 tp = getitesp(dev)->tp;
511
512 KDASSERT(tp);
513 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
514 }
515
516 int
517 itewrite(dev, uio, flag)
518 dev_t dev;
519 struct uio *uio;
520 int flag;
521 {
522 struct tty *tp;
523
524 tp = getitesp(dev)->tp;
525
526 KDASSERT(tp);
527 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
528 }
529
530 struct tty *
531 itetty(dev)
532 dev_t dev;
533 {
534 return (getitesp(dev)->tp);
535 }
536
537 void
538 itestop(tp, flag)
539 struct tty *tp;
540 int flag;
541 {
542
543 }
544
545 int
546 iteioctl(dev, cmd, addr, flag, p)
547 dev_t dev;
548 u_long cmd;
549 caddr_t addr;
550 int flag;
551 struct proc *p;
552 {
553 struct iterepeat *irp;
554 struct ite_softc *ip;
555 struct itebell *ib;
556 struct tty *tp;
557 int error;
558
559 ip = getitesp(dev);
560 tp = ip->tp;
561
562 KDASSERT(tp);
563
564 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, addr, flag, p);
565 if (error >= 0)
566 return (error);
567 error = ttioctl(tp, cmd, addr, flag, p);
568 if (error >= 0)
569 return (error);
570
571 switch (cmd) {
572 case ITEIOCGBELL:
573 ib = (struct itebell *)addr;
574 ib->volume = bvolume;
575 ib->pitch = bpitch;
576 ib->msec = bmsec;
577 return (0);
578 case ITEIOCSBELL:
579 ib = (struct itebell *)addr;
580
581 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH ||
582 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME)
583 return (EINVAL);
584 bvolume = ib->volume;
585 bpitch = ib->pitch;
586 bmsec = ib->msec;
587 return (0);
588 case ITEIOCSKMAP:
589 if (addr == 0)
590 return(EFAULT);
591 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
592 return(0);
593 case ITEIOCGKMAP:
594 if (addr == NULL)
595 return(EFAULT);
596 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
597 return(0);
598 case ITEIOCGREPT:
599 irp = (struct iterepeat *)addr;
600 irp->start = start_repeat_timeo;
601 irp->next = next_repeat_timeo;
602 return (0);
603 case ITEIOCSREPT:
604 irp = (struct iterepeat *)addr;
605 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
606 return(EINVAL);
607 start_repeat_timeo = irp->start;
608 next_repeat_timeo = irp->next;
609 return(0);
610 }
611 #if NGRFCC > 0
612 /* XXX */
613 if (minor(dev) == 0) {
614 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
615 if (error >= 0)
616 return (error);
617 }
618 #endif
619 return (ENOTTY);
620 }
621
622 void
623 itestart(tp)
624 struct tty *tp;
625 {
626 struct clist *rbp;
627 struct ite_softc *ip;
628 u_char buf[ITEBURST];
629 int s, len;
630
631 ip = getitesp(tp->t_dev);
632
633 KDASSERT(tp);
634
635 s = spltty(); {
636 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
637 goto out;
638
639 tp->t_state |= TS_BUSY;
640 rbp = &tp->t_outq;
641
642 len = q_to_b(rbp, buf, ITEBURST);
643 } splx(s);
644
645 /* Here is a really good place to implement pre/jumpscroll() */
646 ite_putstr(buf, len, tp->t_dev);
647
648 s = spltty(); {
649 tp->t_state &= ~TS_BUSY;
650 /* we have characters remaining. */
651 if (rbp->c_cc) {
652 tp->t_state |= TS_TIMEOUT;
653 timeout(ttrstrt, tp, 1);
654 }
655 /* wakeup we are below */
656 if (rbp->c_cc <= tp->t_lowat) {
657 if (tp->t_state & TS_ASLEEP) {
658 tp->t_state &= ~TS_ASLEEP;
659 wakeup((caddr_t) rbp);
660 }
661 selwakeup(&tp->t_wsel);
662 }
663 out:
664 } splx(s);
665 }
666
667 int
668 ite_on(dev, flag)
669 dev_t dev;
670 int flag;
671 {
672 struct ite_softc *ip;
673 int unit;
674
675 unit = ITEUNIT(dev);
676 if (((1 << unit) & ite_confunits) == 0)
677 return (ENXIO);
678
679 ip = getitesp(dev);
680
681 /* force ite active, overriding graphics mode */
682 if (flag & 1) {
683 ip->flags |= ITE_ACTIVE;
684 ip->flags &= ~(ITE_INGRF | ITE_INITED);
685 }
686 /* leave graphics mode */
687 if (flag & 2) {
688 ip->flags &= ~ITE_INGRF;
689 if ((ip->flags & ITE_ACTIVE) == 0)
690 return (0);
691 }
692 ip->flags |= ITE_ACTIVE;
693 if (ip->flags & ITE_INGRF)
694 return (0);
695 iteinit(dev);
696 return (0);
697 }
698
699 void
700 ite_off(dev, flag)
701 dev_t dev;
702 int flag;
703 {
704 struct ite_softc *ip;
705
706 ip = getitesp(dev);
707 if (flag & 2)
708 ip->flags |= ITE_INGRF;
709 if ((ip->flags & ITE_ACTIVE) == 0)
710 return;
711 if ((flag & 1) ||
712 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
713 SUBR_DEINIT(ip);
714 /* XXX hmm grfon() I think wants this to go inactive. */
715 if ((flag & 2) == 0)
716 ip->flags &= ~ITE_ACTIVE;
717 }
718
719 /* XXX called after changes made in underlying grf layer. */
720 /* I want to nuke this */
721 void
722 ite_reinit(dev)
723 dev_t dev;
724 {
725 struct ite_softc *ip;
726
727 ip = getitesp(dev);
728 ip->flags &= ~ITE_INITED;
729 iteinit(dev);
730 }
731
732 int
733 ite_param(tp, t)
734 struct tty *tp;
735 struct termios *t;
736 {
737 tp->t_ispeed = t->c_ispeed;
738 tp->t_ospeed = t->c_ospeed;
739 tp->t_cflag = t->c_cflag;
740 return (0);
741 }
742
743 void
744 ite_reset(ip)
745 struct ite_softc *ip;
746 {
747 int i;
748
749 ip->curx = 0;
750 ip->cury = 0;
751 ip->attribute = ATTR_NOR;
752 ip->save_curx = 0;
753 ip->save_cury = 0;
754 ip->save_attribute = ATTR_NOR;
755 ip->ap = ip->argbuf;
756 ip->emul_level = 0;
757 ip->eightbit_C1 = 0;
758 ip->top_margin = 0;
759 ip->bottom_margin = ip->rows - 1;
760 ip->inside_margins = 0;
761 ip->linefeed_newline = 0;
762 ip->auto_wrap = ite_default_wrap;
763 ip->cursor_appmode = 0;
764 ip->keypad_appmode = 0;
765 ip->imode = 0;
766 ip->key_repeat = 1;
767 bzero(ip->tabs, ip->cols);
768 for (i = 0; i < ip->cols; i++)
769 ip->tabs[i] = ((i & 7) == 0);
770 }
771
772 /*
773 * has to be global becuase of the shared filters.
774 */
775 static u_char key_mod;
776 static u_char last_dead;
777
778 /* Used in console at startup only */
779 int
780 ite_cnfilter(c, caller)
781 u_char c;
782 enum caller caller;
783 {
784 struct key key;
785 u_char code, up, mask;
786 int s, i;
787
788 up = c & 0x80 ? 1 : 0;
789 c &= 0x7f;
790 code = 0;
791
792 s = spltty();
793
794 i = (int)c - KBD_LEFT_SHIFT;
795 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
796 mask = 1 << i;
797 if (up)
798 key_mod &= ~mask;
799 else
800 key_mod |= mask;
801 splx(s);
802 return -1;
803 }
804
805 if (up) {
806 splx(s);
807 return -1;
808 }
809
810 /* translate modifiers */
811 if (key_mod & KBD_MOD_SHIFT) {
812 if (key_mod & KBD_MOD_ALT)
813 key = kbdmap.alt_shift_keys[c];
814 else
815 key = kbdmap.shift_keys[c];
816 } else if (key_mod & KBD_MOD_ALT)
817 key = kbdmap.alt_keys[c];
818 else {
819 key = kbdmap.keys[c];
820 /* if CAPS and key is CAPable (no pun intended) */
821 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
822 key = kbdmap.shift_keys[c];
823 }
824 code = key.code;
825
826 /* if string return */
827 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
828 splx(s);
829 return -1;
830 }
831 /* handle dead keys */
832 if (key.mode & KBD_MODE_DEAD) {
833 /* if entered twice, send accent itself */
834 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
835 last_dead = 0;
836 else {
837 last_dead = key.mode & KBD_MODE_ACCMASK;
838 splx(s);
839 return -1;
840 }
841 }
842 if (last_dead) {
843 /* can't apply dead flag to string-keys */
844 if (code >= '@' && code < 0x7f)
845 code =
846 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
847 last_dead = 0;
848 }
849 if (key_mod & KBD_MOD_CTRL)
850 code &= 0x1f;
851 if (key_mod & KBD_MOD_META)
852 code |= 0x80;
853
854 /* do console mapping. */
855 code = code == '\r' ? '\n' : code;
856
857 splx(s);
858 return (code);
859 }
860
861 /* And now the old stuff. */
862
863 /* these are used to implement repeating keys.. */
864 static u_char last_char;
865 static u_char tout_pending;
866
867 /*ARGSUSED*/
868 static void
869 repeat_handler(arg)
870 void *arg;
871 {
872 tout_pending = 0;
873 if (last_char)
874 ite_filter(last_char, ITEFILT_REPEATER);
875 }
876
877 void
878 ite_filter(c, caller)
879 u_char c;
880 enum caller caller;
881 {
882 struct tty *kbd_tty;
883 u_char code, *str, up, mask;
884 struct key key;
885 int s, i;
886
887 if (kbd_ite == NULL || kbd_ite->tp == NULL)
888 return;
889
890 kbd_tty = kbd_ite->tp;
891
892 /* have to make sure we're at spltty in here */
893 s = spltty();
894
895 /*
896 * keyboard interrupts come at priority 2, while softint
897 * generated keyboard-repeat interrupts come at level 1. So,
898 * to not allow a key-up event to get thru before a repeat for
899 * the key-down, we remove any outstanding callout requests..
900 rem_sicallback(ite_sifilter);
901 */
902
903 up = c & 0x80 ? 1 : 0;
904 c &= 0x7f;
905 code = 0;
906
907 i = (int)c - KBD_LEFT_SHIFT;
908 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
909 mask = 1 << i;
910 if (up)
911 key_mod &= ~mask;
912 else
913 key_mod |= mask;
914 splx(s);
915 return;
916 }
917 /* stop repeating on up event */
918 if (up) {
919 if (tout_pending) {
920 untimeout(repeat_handler, 0);
921 tout_pending = 0;
922 last_char = 0;
923 }
924 splx(s);
925 return;
926 } else if (tout_pending && last_char != c) {
927 /* different character, stop also */
928 untimeout(repeat_handler, 0);
929 tout_pending = 0;
930 last_char = 0;
931 }
932 /* Safety button, switch back to ascii keymap. */
933 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
934 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
935
936 splx(s);
937 return;
938 #ifdef DDB
939 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
940 Debugger();
941 splx(s);
942 return;
943 #endif
944 }
945 /* translate modifiers */
946 if (key_mod & KBD_MOD_SHIFT) {
947 if (key_mod & KBD_MOD_ALT)
948 key = kbdmap.alt_shift_keys[c];
949 else
950 key = kbdmap.shift_keys[c];
951 } else if (key_mod & KBD_MOD_ALT)
952 key = kbdmap.alt_keys[c];
953 else {
954 key = kbdmap.keys[c];
955 /* if CAPS and key is CAPable (no pun intended) */
956 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
957 key = kbdmap.shift_keys[c];
958 }
959 code = key.code;
960
961 /*
962 * arrange to repeat the keystroke. By doing this at the level
963 * of scan-codes, we can have function keys, and keys that
964 * send strings, repeat too. This also entitles an additional
965 * overhead, since we have to do the conversion each time, but
966 * I guess that's ok.
967 */
968 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
969 tout_pending = 1;
970 last_char = c;
971 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100);
972 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
973 kbd_ite->key_repeat) {
974 tout_pending = 1;
975 last_char = c;
976 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100);
977 }
978 /* handle dead keys */
979 if (key.mode & KBD_MODE_DEAD) {
980 /* if entered twice, send accent itself */
981 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
982 last_dead = 0;
983 else {
984 last_dead = key.mode & KBD_MODE_ACCMASK;
985 splx(s);
986 return;
987 }
988 }
989 if (last_dead) {
990 /* can't apply dead flag to string-keys */
991 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
992 code < 0x7f)
993 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
994 last_dead = 0;
995 }
996 /* if not string, apply META and CTRL modifiers */
997 if (!(key.mode & KBD_MODE_STRING)
998 && (!(key.mode & KBD_MODE_KPAD) ||
999 (kbd_ite && !kbd_ite->keypad_appmode))) {
1000 if (key_mod & KBD_MOD_CTRL)
1001 code &= 0x1f;
1002 if (key_mod & KBD_MOD_META)
1003 code |= 0x80;
1004 } else if ((key.mode & KBD_MODE_KPAD) &&
1005 (kbd_ite && kbd_ite->keypad_appmode)) {
1006 static char in[] = {
1007 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */,
1008 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */,
1009 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */,
1010 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */,
1011 0x5c /* / */, 0x5d /* * */
1012 };
1013 static char *out = "pqrstuvwxymlnMPQRS";
1014 char *cp = index (in, c);
1015
1016 /*
1017 * keypad-appmode sends SS3 followed by the above
1018 * translated character
1019 */
1020 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
1021 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty);
1022 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
1023 splx(s);
1024 return;
1025 } else {
1026 /* *NO* I don't like this.... */
1027 static u_char app_cursor[] =
1028 {
1029 3, 27, 'O', 'A',
1030 3, 27, 'O', 'B',
1031 3, 27, 'O', 'C',
1032 3, 27, 'O', 'D'};
1033
1034 str = kbdmap.strings + code;
1035 /*
1036 * if this is a cursor key, AND it has the default
1037 * keymap setting, AND we're in app-cursor mode, switch
1038 * to the above table. This is *nasty* !
1039 */
1040 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
1041 && !bcmp(str, "\x03\x1b[", 3) &&
1042 index("ABCD", str[3]))
1043 str = app_cursor + 4 * (str[3] - 'A');
1044
1045 /*
1046 * using a length-byte instead of 0-termination allows
1047 * to embed \0 into strings, although this is not used
1048 * in the default keymap
1049 */
1050 for (i = *str++; i; i--)
1051 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1052 splx(s);
1053 return;
1054 }
1055 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
1056
1057 splx(s);
1058 return;
1059 }
1060
1061 /* helper functions, makes the code below more readable */
1062 inline static void
1063 ite_sendstr(str)
1064 char *str;
1065 {
1066 struct tty *kbd_tty;
1067
1068 kbd_tty = kbd_ite->tp;
1069 KDASSERT(kbd_tty);
1070 while (*str)
1071 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1072 }
1073
1074 static void
1075 alignment_display(ip)
1076 struct ite_softc *ip;
1077 {
1078 int i, j;
1079
1080 for (j = 0; j < ip->rows; j++)
1081 for (i = 0; i < ip->cols; i++)
1082 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1083 attrclr(ip, 0, 0, ip->rows, ip->cols);
1084 SUBR_CURSOR(ip, DRAW_CURSOR);
1085 }
1086
1087 inline static void
1088 snap_cury(ip)
1089 struct ite_softc *ip;
1090 {
1091 if (ip->inside_margins)
1092 {
1093 if (ip->cury < ip->top_margin)
1094 ip->cury = ip->top_margin;
1095 if (ip->cury > ip->bottom_margin)
1096 ip->cury = ip->bottom_margin;
1097 }
1098 }
1099
1100 inline static void
1101 ite_dnchar(ip, n)
1102 struct ite_softc *ip;
1103 int n;
1104 {
1105 n = min(n, ip->cols - ip->curx);
1106 if (n < ip->cols - ip->curx)
1107 {
1108 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1109 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1110 1, ip->cols - ip->curx - n);
1111 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1112 }
1113 while (n-- > 0)
1114 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1115 SUBR_CURSOR(ip, DRAW_CURSOR);
1116 }
1117
1118 inline static void
1119 ite_inchar(ip, n)
1120 struct ite_softc *ip;
1121 int n;
1122 {
1123 n = min(n, ip->cols - ip->curx);
1124 if (n < ip->cols - ip->curx)
1125 {
1126 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1127 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1128 1, ip->cols - ip->curx - n);
1129 attrclr(ip, ip->cury, ip->curx, 1, n);
1130 }
1131 while (n--)
1132 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1133 SUBR_CURSOR(ip, DRAW_CURSOR);
1134 }
1135
1136 inline static void
1137 ite_clrtoeol(ip)
1138 struct ite_softc *ip;
1139 {
1140 int y = ip->cury, x = ip->curx;
1141 if (ip->cols - x > 0)
1142 {
1143 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1144 attrclr(ip, y, x, 1, ip->cols - x);
1145 SUBR_CURSOR(ip, DRAW_CURSOR);
1146 }
1147 }
1148
1149 inline static void
1150 ite_clrtobol(ip)
1151 struct ite_softc *ip;
1152 {
1153 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1154 SUBR_CLEAR(ip, y, 0, 1, x);
1155 attrclr(ip, y, 0, 1, x);
1156 SUBR_CURSOR(ip, DRAW_CURSOR);
1157 }
1158
1159 inline static void
1160 ite_clrline(ip)
1161 struct ite_softc *ip;
1162 {
1163 int y = ip->cury;
1164 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1165 attrclr(ip, y, 0, 1, ip->cols);
1166 SUBR_CURSOR(ip, DRAW_CURSOR);
1167 }
1168
1169
1170
1171 inline static void
1172 ite_clrtoeos(ip)
1173 struct ite_softc *ip;
1174 {
1175 ite_clrtoeol(ip);
1176 if (ip->cury < ip->rows - 1)
1177 {
1178 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1179 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1180 SUBR_CURSOR(ip, DRAW_CURSOR);
1181 }
1182 }
1183
1184 inline static void
1185 ite_clrtobos(ip)
1186 struct ite_softc *ip;
1187 {
1188 ite_clrtobol(ip);
1189 if (ip->cury > 0)
1190 {
1191 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1192 attrclr(ip, 0, 0, ip->cury, ip->cols);
1193 SUBR_CURSOR(ip, DRAW_CURSOR);
1194 }
1195 }
1196
1197 inline static void
1198 ite_clrscreen(ip)
1199 struct ite_softc *ip;
1200 {
1201 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1202 attrclr(ip, 0, 0, ip->rows, ip->cols);
1203 SUBR_CURSOR(ip, DRAW_CURSOR);
1204 }
1205
1206
1207
1208 inline static void
1209 ite_dnline(ip, n)
1210 struct ite_softc *ip;
1211 int n;
1212 {
1213 /* interesting.. if the cursor is outside the scrolling
1214 region, this command is simply ignored.. */
1215 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1216 return;
1217
1218 n = min(n, ip->bottom_margin + 1 - ip->cury);
1219 if (n <= ip->bottom_margin - ip->cury)
1220 {
1221 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1222 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1223 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1224 }
1225 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1226 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1227 SUBR_CURSOR(ip, DRAW_CURSOR);
1228 }
1229
1230 inline static void
1231 ite_inline(ip, n)
1232 struct ite_softc *ip;
1233 int n;
1234 {
1235 /* interesting.. if the cursor is outside the scrolling
1236 region, this command is simply ignored.. */
1237 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1238 return;
1239
1240 n = min(n, ip->bottom_margin + 1 - ip->cury);
1241 if (n <= ip->bottom_margin - ip->cury)
1242 {
1243 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1244 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1245 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1246 }
1247 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1248 attrclr(ip, ip->cury, 0, n, ip->cols);
1249 SUBR_CURSOR(ip, DRAW_CURSOR);
1250 }
1251
1252 inline static void
1253 ite_lf (ip)
1254 struct ite_softc *ip;
1255 {
1256 ++ip->cury;
1257 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1258 {
1259 ip->cury--;
1260 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1261 ite_clrline(ip);
1262 }
1263 SUBR_CURSOR(ip, MOVE_CURSOR);
1264 clr_attr(ip, ATTR_INV);
1265 }
1266
1267 inline static void
1268 ite_crlf (ip)
1269 struct ite_softc *ip;
1270 {
1271 ip->curx = 0;
1272 ite_lf (ip);
1273 }
1274
1275 inline static void
1276 ite_cr (ip)
1277 struct ite_softc *ip;
1278 {
1279 if (ip->curx)
1280 {
1281 ip->curx = 0;
1282 SUBR_CURSOR(ip, MOVE_CURSOR);
1283 }
1284 }
1285
1286 inline static void
1287 ite_rlf (ip)
1288 struct ite_softc *ip;
1289 {
1290 ip->cury--;
1291 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1292 {
1293 ip->cury++;
1294 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1295 ite_clrline(ip);
1296 }
1297 SUBR_CURSOR(ip, MOVE_CURSOR);
1298 clr_attr(ip, ATTR_INV);
1299 }
1300
1301 inline static int
1302 atoi (cp)
1303 const char *cp;
1304 {
1305 int n;
1306
1307 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1308 n = n * 10 + *cp - '0';
1309
1310 return n;
1311 }
1312
1313 static char *
1314 index (cp, ch)
1315 const char *cp;
1316 char ch;
1317 {
1318 while (*cp && *cp != ch) cp++;
1319 return *cp ? (char *) cp : 0;
1320 }
1321
1322
1323
1324 inline static int
1325 ite_argnum (ip)
1326 struct ite_softc *ip;
1327 {
1328 char ch;
1329 int n;
1330
1331 /* convert argument string into number */
1332 if (ip->ap == ip->argbuf)
1333 return 1;
1334 ch = *ip->ap;
1335 *ip->ap = 0;
1336 n = atoi (ip->argbuf);
1337 *ip->ap = ch;
1338
1339 return n;
1340 }
1341
1342 inline static int
1343 ite_zargnum (ip)
1344 struct ite_softc *ip;
1345 {
1346 char ch;
1347 int n;
1348
1349 /* convert argument string into number */
1350 if (ip->ap == ip->argbuf)
1351 return 0;
1352 ch = *ip->ap;
1353 *ip->ap = 0;
1354 n = atoi (ip->argbuf);
1355 *ip->ap = ch;
1356
1357 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1358 }
1359
1360 void
1361 ite_putstr(s, len, dev)
1362 const char *s;
1363 int len;
1364 dev_t dev;
1365 {
1366 struct ite_softc *ip;
1367 int i;
1368
1369 ip = getitesp(dev);
1370
1371 /* XXX avoid problems */
1372 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1373 return;
1374
1375 SUBR_CURSOR(ip, START_CURSOROPT);
1376 for (i = 0; i < len; i++)
1377 if (s[i])
1378 iteputchar(s[i], ip);
1379 SUBR_CURSOR(ip, END_CURSOROPT);
1380 }
1381
1382 static void
1383 iteprecheckwrap(ip)
1384 struct ite_softc *ip;
1385 {
1386 if (ip->auto_wrap && ip->curx == ip->cols) {
1387 ip->curx = 0;
1388 clr_attr(ip, ATTR_INV);
1389 if (++ip->cury >= ip->bottom_margin + 1) {
1390 ip->cury = ip->bottom_margin;
1391 SUBR_CURSOR(ip, MOVE_CURSOR);
1392 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1393 ite_clrtoeol(ip);
1394 } else
1395 SUBR_CURSOR(ip, MOVE_CURSOR);
1396 }
1397 }
1398
1399 static void
1400 itecheckwrap(ip)
1401 struct ite_softc *ip;
1402 {
1403 #if 0
1404 if (++ip->curx == ip->cols) {
1405 if (ip->auto_wrap) {
1406 ip->curx = 0;
1407 clr_attr(ip, ATTR_INV);
1408 if (++ip->cury >= ip->bottom_margin + 1) {
1409 ip->cury = ip->bottom_margin;
1410 SUBR_CURSOR(ip, MOVE_CURSOR);
1411 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1412 ite_clrtoeol(ip);
1413 return;
1414 }
1415 } else
1416 /* stay there if no autowrap.. */
1417 ip->curx--;
1418 }
1419 #else
1420 if (ip->curx < ip->cols) {
1421 ip->curx++;
1422 SUBR_CURSOR(ip, MOVE_CURSOR);
1423 }
1424 #endif
1425 }
1426
1427 void
1428 iteputchar(c, ip)
1429 register int c;
1430 struct ite_softc *ip;
1431 {
1432 struct tty *kbd_tty;
1433 int n, x, y;
1434 char *cp;
1435
1436 if (kbd_ite == NULL)
1437 kbd_tty = NULL;
1438 else
1439 kbd_tty = kbd_ite->tp;
1440
1441 if (ip->escape) {
1442 switch (ip->escape) {
1443 case ESC:
1444 switch (c) {
1445 /*
1446 * first 7bit equivalents for the
1447 * 8bit control characters
1448 */
1449 case 'D':
1450 c = IND;
1451 ip->escape = 0;
1452 break;
1453 /*
1454 * and fall into the next
1455 * switch below (same for all `break')
1456 */
1457 case 'E':
1458 c = NEL;
1459 ip->escape = 0;
1460 break;
1461 case 'H':
1462 c = HTS;
1463 ip->escape = 0;
1464 break;
1465 case 'M':
1466 c = RI;
1467 ip->escape = 0;
1468 break;
1469 case 'N':
1470 c = SS2;
1471 ip->escape = 0;
1472 break;
1473 case 'O':
1474 c = SS3;
1475 ip->escape = 0;
1476 break;
1477 case 'P':
1478 c = DCS;
1479 ip->escape = 0;
1480 break;
1481 case '[':
1482 c = CSI;
1483 ip->escape = 0;
1484 break;
1485 case '\\':
1486 c = ST;
1487 ip->escape = 0;
1488 break;
1489 case ']':
1490 c = OSC;
1491 ip->escape = 0;
1492 break;
1493 case '^':
1494 c = PM;
1495 ip->escape = 0;
1496 break;
1497 case '_':
1498 c = APC;
1499 ip->escape = 0;
1500 break;
1501 /* introduces 7/8bit control */
1502 case ' ':
1503 /* can be followed by either F or G */
1504 ip->escape = ' ';
1505 break;
1506 /*
1507 * a lot of character set selections, not yet
1508 * used... 94-character sets:
1509 */
1510 case '(': /* G0 */
1511 case ')': /* G1 */
1512 ip->escape = c;
1513 return;
1514 case '*': /* G2 */
1515 case '+': /* G3 */
1516 case 'B': /* ASCII */
1517 case 'A': /* ISO latin 1 */
1518 case '<': /* user preferred suplemental */
1519 case '0': /* dec special graphics */
1520 /*
1521 * 96-character sets:
1522 */
1523 case '-': /* G1 */
1524 case '.': /* G2 */
1525 case '/': /* G3 */
1526 /*
1527 * national character sets:
1528 */
1529 case '4': /* dutch */
1530 case '5':
1531 case 'C': /* finnish */
1532 case 'R': /* french */
1533 case 'Q': /* french canadian */
1534 case 'K': /* german */
1535 case 'Y': /* italian */
1536 case '6': /* norwegian/danish */
1537 /*
1538 * note: %5 and %6 are not supported (two
1539 * chars..)
1540 */
1541 ip->escape = 0;
1542 /* just ignore for now */
1543 return;
1544 /*
1545 * locking shift modes (as you might guess, not
1546 * yet supported..)
1547 */
1548 case '`':
1549 ip->GR = ip->G1;
1550 ip->escape = 0;
1551 return;
1552 case 'n':
1553 ip->GL = ip->G2;
1554 ip->escape = 0;
1555 return;
1556 case '}':
1557 ip->GR = ip->G2;
1558 ip->escape = 0;
1559 return;
1560 case 'o':
1561 ip->GL = ip->G3;
1562 ip->escape = 0;
1563 return;
1564 case '|':
1565 ip->GR = ip->G3;
1566 ip->escape = 0;
1567 return;
1568 case '#':
1569 /* font width/height control */
1570 ip->escape = '#';
1571 return;
1572 case 'c':
1573 /* hard terminal reset .. */
1574 ite_reset(ip);
1575 SUBR_CURSOR(ip, MOVE_CURSOR);
1576 ip->escape = 0;
1577 return;
1578 case '7':
1579 ip->save_curx = ip->curx;
1580 ip->save_cury = ip->cury;
1581 ip->save_attribute = ip->attribute;
1582 ip->escape = 0;
1583 return;
1584 case '8':
1585 ip->curx = ip->save_curx;
1586 ip->cury = ip->save_cury;
1587 ip->attribute = ip->save_attribute;
1588 SUBR_CURSOR(ip, MOVE_CURSOR);
1589 ip->escape = 0;
1590 return;
1591 case '=':
1592 ip->keypad_appmode = 1;
1593 ip->escape = 0;
1594 return;
1595 case '>':
1596 ip->keypad_appmode = 0;
1597 ip->escape = 0;
1598 return;
1599 case 'Z': /* request ID */
1600 /* XXX not clean */
1601 if (ip->emul_level == EMUL_VT100)
1602 ite_sendstr("\033[?61;0c");
1603 else
1604 ite_sendstr("\033[?63;0c");
1605 ip->escape = 0;
1606 return;
1607 default:
1608 /*
1609 * default catch all for not recognized ESC
1610 * sequences
1611 */
1612 ip->escape = 0;
1613 return;
1614 }
1615 break;
1616 case '(':
1617 case ')':
1618 ip->escape = 0;
1619 return;
1620 case ' ':
1621 switch (c) {
1622 case 'F':
1623 ip->eightbit_C1 = 0;
1624 ip->escape = 0;
1625 return;
1626 case 'G':
1627 ip->eightbit_C1 = 1;
1628 ip->escape = 0;
1629 return;
1630 default:
1631 /* not supported */
1632 ip->escape = 0;
1633 return;
1634 }
1635 break;
1636 case '#':
1637 switch (c) {
1638 case '5':
1639 /* single height, single width */
1640 ip->escape = 0;
1641 return;
1642 case '6':
1643 /* double width, single height */
1644 ip->escape = 0;
1645 return;
1646 case '3':
1647 /* top half */
1648 ip->escape = 0;
1649 return;
1650 case '4':
1651 /* bottom half */
1652 ip->escape = 0;
1653 return;
1654 case '8':
1655 /* screen alignment pattern... */
1656 alignment_display(ip);
1657 ip->escape = 0;
1658 return;
1659 default:
1660 ip->escape = 0;
1661 return;
1662 }
1663 break;
1664 case CSI:
1665 /* the biggie... */
1666 switch (c) {
1667 case '0':
1668 case '1':
1669 case '2':
1670 case '3':
1671 case '4':
1672 case '5':
1673 case '6':
1674 case '7':
1675 case '8':
1676 case '9':
1677 case ';':
1678 case '\"':
1679 case '$':
1680 case '>':
1681 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1682 *ip->ap++ = c;
1683 return;
1684 case BS:
1685 /*
1686 * you wouldn't believe such perversion is
1687 * possible? it is.. BS is allowed in between
1688 * cursor sequences (at least), according to
1689 * vttest..
1690 */
1691 if (--ip->curx < 0)
1692 ip->curx = 0;
1693 else
1694 SUBR_CURSOR(ip, MOVE_CURSOR);
1695 break;
1696 case 'p':
1697 *ip->ap = 0;
1698 if (!strncmp(ip->argbuf, "61\"", 3))
1699 ip->emul_level = EMUL_VT100;
1700 else if (!strncmp(ip->argbuf, "63;1\"", 5)
1701 || !strncmp(ip->argbuf, "62;1\"", 5))
1702 ip->emul_level = EMUL_VT300_7;
1703 else
1704 ip->emul_level = EMUL_VT300_8;
1705 ip->escape = 0;
1706 return;
1707 case '?':
1708 *ip->ap = 0;
1709 ip->escape = '?';
1710 ip->ap = ip->argbuf;
1711 return;
1712 case 'c':
1713 *ip->ap = 0;
1714 if (ip->argbuf[0] == '>') {
1715 ite_sendstr("\033[>24;0;0;0c");
1716 } else
1717 switch (ite_zargnum(ip)) {
1718 case 0:
1719 /*
1720 * primary DA request, send
1721 * primary DA response
1722 */
1723 if (ip->emul_level
1724 == EMUL_VT100)
1725 ite_sendstr(
1726 "\033[?1;1c");
1727 else
1728 ite_sendstr(
1729 "\033[?63;1c");
1730 break;
1731 }
1732 ip->escape = 0;
1733 return;
1734 case 'n':
1735 switch (ite_zargnum(ip)) {
1736 case 5:
1737 /* no malfunction */
1738 ite_sendstr("\033[0n");
1739 break;
1740 case 6:
1741 /* cursor position report */
1742 sprintf(ip->argbuf, "\033[%d;%dR",
1743 ip->cury + 1, ip->curx + 1);
1744 ite_sendstr(ip->argbuf);
1745 break;
1746 }
1747 ip->escape = 0;
1748 return;
1749 case 'x':
1750 switch (ite_zargnum(ip)) {
1751 case 0:
1752 /* Fake some terminal parameters. */
1753 ite_sendstr("\033[2;1;1;112;112;1;0x");
1754 break;
1755 case 1:
1756 ite_sendstr("\033[3;1;1;112;112;1;0x");
1757 break;
1758 }
1759 ip->escape = 0;
1760 return;
1761 case 'g':
1762 switch (ite_zargnum(ip)) {
1763 case 0:
1764 if (ip->curx < ip->cols)
1765 ip->tabs[ip->curx] = 0;
1766 break;
1767 case 3:
1768 for (n = 0; n < ip->cols; n++)
1769 ip->tabs[n] = 0;
1770 break;
1771 }
1772 ip->escape = 0;
1773 return;
1774 case 'h':
1775 case 'l':
1776 n = ite_zargnum(ip);
1777 switch (n) {
1778 case 4:
1779 /* insert/replace mode */
1780 ip->imode = (c == 'h');
1781 break;
1782 case 20:
1783 ip->linefeed_newline = (c == 'h');
1784 break;
1785 }
1786 ip->escape = 0;
1787 return;
1788 case 'M':
1789 ite_dnline(ip, ite_argnum(ip));
1790 ip->escape = 0;
1791 return;
1792 case 'L':
1793 ite_inline(ip, ite_argnum(ip));
1794 ip->escape = 0;
1795 return;
1796 case 'P':
1797 ite_dnchar(ip, ite_argnum(ip));
1798 ip->escape = 0;
1799 return;
1800 case '@':
1801 ite_inchar(ip, ite_argnum(ip));
1802 ip->escape = 0;
1803 return;
1804 case 'G':
1805 /*
1806 * this one was *not* in my vt320 manual but in
1807 * a vt320 termcap entry.. who is right? It's
1808 * supposed to set the horizontal cursor
1809 * position.
1810 */
1811 *ip->ap = 0;
1812 x = atoi(ip->argbuf);
1813 if (x)
1814 x--;
1815 ip->curx = min(x, ip->cols - 1);
1816 ip->escape = 0;
1817 SUBR_CURSOR(ip, MOVE_CURSOR);
1818 clr_attr(ip, ATTR_INV);
1819 return;
1820 case 'd':
1821 /*
1822 * same thing here, this one's for setting the
1823 * absolute vertical cursor position. Not
1824 * documented...
1825 */
1826 *ip->ap = 0;
1827 y = atoi(ip->argbuf);
1828 if (y)
1829 y--;
1830 if (ip->inside_margins)
1831 y += ip->top_margin;
1832 ip->cury = min(y, ip->rows - 1);
1833 ip->escape = 0;
1834 snap_cury(ip);
1835 SUBR_CURSOR(ip, MOVE_CURSOR);
1836 clr_attr(ip, ATTR_INV);
1837 return;
1838 case 'H':
1839 case 'f':
1840 *ip->ap = 0;
1841 y = atoi(ip->argbuf);
1842 x = 0;
1843 cp = index(ip->argbuf, ';');
1844 if (cp)
1845 x = atoi(cp + 1);
1846 if (x)
1847 x--;
1848 if (y)
1849 y--;
1850 if (ip->inside_margins)
1851 y += ip->top_margin;
1852 ip->cury = min(y, ip->rows - 1);
1853 ip->curx = min(x, ip->cols - 1);
1854 ip->escape = 0;
1855 snap_cury(ip);
1856 SUBR_CURSOR(ip, MOVE_CURSOR);
1857 clr_attr(ip, ATTR_INV);
1858 return;
1859 case 'A':
1860 n = ite_argnum(ip);
1861 n = ip->cury - (n ? n : 1);
1862 if (n < 0)
1863 n = 0;
1864 if (ip->inside_margins)
1865 n = max(ip->top_margin, n);
1866 else if (n == ip->top_margin - 1)
1867 /*
1868 * allow scrolling outside region, but
1869 * don't scroll out of active region
1870 * without explicit CUP
1871 */
1872 n = ip->top_margin;
1873 ip->cury = n;
1874 ip->escape = 0;
1875 SUBR_CURSOR(ip, MOVE_CURSOR);
1876 clr_attr(ip, ATTR_INV);
1877 return;
1878 case 'B':
1879 n = ite_argnum(ip);
1880 n = ip->cury + (n ? n : 1);
1881 n = min(ip->rows - 1, n);
1882 if (ip->inside_margins)
1883 n = min(ip->bottom_margin, n);
1884 else if (n == ip->bottom_margin + 1)
1885 /*
1886 * allow scrolling outside region, but
1887 * don't scroll out of active region
1888 * without explicit CUP
1889 */
1890 n = ip->bottom_margin;
1891 ip->cury = n;
1892 ip->escape = 0;
1893 SUBR_CURSOR(ip, MOVE_CURSOR);
1894 clr_attr(ip, ATTR_INV);
1895 return;
1896 case 'C':
1897 n = ite_argnum(ip);
1898 n = n ? n : 1;
1899 ip->curx = min(ip->curx + n, ip->cols - 1);
1900 ip->escape = 0;
1901 SUBR_CURSOR(ip, MOVE_CURSOR);
1902 clr_attr(ip, ATTR_INV);
1903 return;
1904 case 'D':
1905 n = ite_argnum(ip);
1906 n = n ? n : 1;
1907 n = ip->curx - n;
1908 ip->curx = n >= 0 ? n : 0;
1909 ip->escape = 0;
1910 SUBR_CURSOR(ip, MOVE_CURSOR);
1911 clr_attr(ip, ATTR_INV);
1912 return;
1913 case 'J':
1914 *ip->ap = 0;
1915 n = ite_zargnum(ip);
1916 if (n == 0)
1917 ite_clrtoeos(ip);
1918 else if (n == 1)
1919 ite_clrtobos(ip);
1920 else if (n == 2)
1921 ite_clrscreen(ip);
1922 ip->escape = 0;
1923 return;
1924 case 'K':
1925 n = ite_zargnum(ip);
1926 if (n == 0)
1927 ite_clrtoeol(ip);
1928 else if (n == 1)
1929 ite_clrtobol(ip);
1930 else if (n == 2)
1931 ite_clrline(ip);
1932 ip->escape = 0;
1933 return;
1934 case 'X':
1935 n = ite_argnum(ip) - 1;
1936 n = min(n, ip->cols - 1 - ip->curx);
1937 for (; n >= 0; n--) {
1938 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1939 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1940 }
1941 ip->escape = 0;
1942 return;
1943 case '}':
1944 case '`':
1945 /* status line control */
1946 ip->escape = 0;
1947 return;
1948 case 'r':
1949 *ip->ap = 0;
1950 x = atoi(ip->argbuf);
1951 x = x ? x : 1;
1952 y = ip->rows;
1953 cp = index(ip->argbuf, ';');
1954 if (cp) {
1955 y = atoi(cp + 1);
1956 y = y ? y : ip->rows;
1957 }
1958 if (y - x < 2) {
1959 /*
1960 * if illegal scrolling region, reset
1961 * to defaults
1962 */
1963 x = 1;
1964 y = ip->rows;
1965 }
1966 x--;
1967 y--;
1968 ip->top_margin = min(x, ip->rows - 1);
1969 ip->bottom_margin = min(y, ip->rows - 1);
1970 if (ip->inside_margins) {
1971 ip->cury = ip->top_margin;
1972 ip->curx = 0;
1973 SUBR_CURSOR(ip, MOVE_CURSOR);
1974 }
1975 ip->escape = 0;
1976 return;
1977 case 'm':
1978 /* big attribute setter/resetter */
1979 { char *cp;
1980 *ip->ap = 0;
1981 /* kludge to make CSIm work (== CSI0m) */
1982 if (ip->ap == ip->argbuf)
1983 ip->ap++;
1984 for (cp = ip->argbuf; cp < ip->ap;) {
1985 switch (*cp) {
1986 case 0:
1987 case '0':
1988 clr_attr(ip, ATTR_ALL);
1989 cp++;
1990 break;
1991
1992 case '1':
1993 set_attr(ip, ATTR_BOLD);
1994 cp++;
1995 break;
1996
1997 case '2':
1998 switch (cp[1]) {
1999 case '2':
2000 clr_attr(ip, ATTR_BOLD);
2001 cp += 2;
2002 break;
2003
2004 case '4':
2005 clr_attr(ip, ATTR_UL);
2006 cp += 2;
2007 break;
2008
2009 case '5':
2010 clr_attr(ip, ATTR_BLINK);
2011 cp += 2;
2012 break;
2013
2014 case '7':
2015 clr_attr(ip, ATTR_INV);
2016 cp += 2;
2017 break;
2018
2019 default:
2020 cp++;
2021 break;
2022 }
2023 break;
2024
2025 case '4':
2026 set_attr(ip, ATTR_UL);
2027 cp++;
2028 break;
2029
2030 case '5':
2031 set_attr(ip, ATTR_BLINK);
2032 cp++;
2033 break;
2034
2035 case '7':
2036 set_attr(ip, ATTR_INV);
2037 cp++;
2038 break;
2039
2040 default:
2041 cp++;
2042 break;
2043 }
2044 }
2045 ip->escape = 0;
2046 return; }
2047 case 'u':
2048 /* DECRQTSR */
2049 ite_sendstr("\033P\033\\");
2050 ip->escape = 0;
2051 return;
2052 default:
2053 ip->escape = 0;
2054 return;
2055 }
2056 break;
2057 case '?': /* CSI ? */
2058 switch (c) {
2059 case '0':
2060 case '1':
2061 case '2':
2062 case '3':
2063 case '4':
2064 case '5':
2065 case '6':
2066 case '7':
2067 case '8':
2068 case '9':
2069 case ';':
2070 case '\"':
2071 case '$':
2072 /*
2073 * Don't fill the last character;
2074 * it's needed.
2075 * XXX yeah, where ??
2076 */
2077 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2078 *ip->ap++ = c;
2079 return;
2080 case 'n':
2081 *ip->ap = 0;
2082 if (ip->ap == &ip->argbuf[2]) {
2083 if (!strncmp(ip->argbuf, "15", 2))
2084 /* printer status: no printer */
2085 ite_sendstr("\033[13n");
2086
2087 else if (!strncmp(ip->argbuf, "25", 2))
2088 /* udk status */
2089 ite_sendstr("\033[20n");
2090
2091 else if (!strncmp(ip->argbuf, "26", 2))
2092 /* keyboard dialect: US */
2093 ite_sendstr("\033[27;1n");
2094 }
2095 ip->escape = 0;
2096 return;
2097 case 'h':
2098 case 'l':
2099 n = ite_zargnum(ip);
2100 switch (n) {
2101 case 1:
2102 ip->cursor_appmode = (c == 'h');
2103 break;
2104 case 3:
2105 /* 132/80 columns (132 == 'h') */
2106 break;
2107 case 4: /* smooth scroll */
2108 break;
2109 case 5:
2110 /*
2111 * light background (=='h') /dark
2112 * background(=='l')
2113 */
2114 break;
2115 case 6: /* origin mode */
2116 ip->inside_margins = (c == 'h');
2117 ip->curx = 0;
2118 ip->cury = ip->inside_margins ?
2119 ip->top_margin : 0;
2120 SUBR_CURSOR(ip, MOVE_CURSOR);
2121 break;
2122 case 7: /* auto wraparound */
2123 ip->auto_wrap = (c == 'h');
2124 break;
2125 case 8: /* keyboard repeat */
2126 ip->key_repeat = (c == 'h');
2127 break;
2128 case 20: /* newline mode */
2129 ip->linefeed_newline = (c == 'h');
2130 break;
2131 case 25: /* cursor on/off */
2132 SUBR_CURSOR(ip, (c == 'h') ?
2133 DRAW_CURSOR : ERASE_CURSOR);
2134 break;
2135 }
2136 ip->escape = 0;
2137 return;
2138 default:
2139 ip->escape = 0;
2140 return;
2141 }
2142 break;
2143 default:
2144 ip->escape = 0;
2145 return;
2146 }
2147 }
2148 switch (c) {
2149 case VT: /* VT is treated like LF */
2150 case FF: /* so is FF */
2151 case LF:
2152 /*
2153 * cr->crlf distinction is done here, on output, not on input!
2154 */
2155 if (ip->linefeed_newline)
2156 ite_crlf(ip);
2157 else
2158 ite_lf(ip);
2159 break;
2160 case CR:
2161 ite_cr(ip);
2162 break;
2163 case BS:
2164 if (--ip->curx < 0)
2165 ip->curx = 0;
2166 else
2167 SUBR_CURSOR(ip, MOVE_CURSOR);
2168 break;
2169 case HT:
2170 for (n = ip->curx + 1; n < ip->cols; n++) {
2171 if (ip->tabs[n]) {
2172 ip->curx = n;
2173 SUBR_CURSOR(ip, MOVE_CURSOR);
2174 break;
2175 }
2176 }
2177 break;
2178 case BEL:
2179 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty
2180 #ifdef DRACO
2181 && !is_draco()
2182 #endif
2183 )
2184 ite_bell();
2185 break;
2186 case SO:
2187 ip->GL = ip->G1;
2188 break;
2189 case SI:
2190 ip->GL = ip->G0;
2191 break;
2192 case ENQ:
2193 /* send answer-back message !! */
2194 break;
2195 case CAN:
2196 ip->escape = 0; /* cancel any escape sequence in progress */
2197 break;
2198 case SUB:
2199 ip->escape = 0; /* dito, but see below */
2200 /* should also display a reverse question mark!! */
2201 break;
2202 case ESC:
2203 ip->escape = ESC;
2204 break;
2205 /*
2206 * now it gets weird.. 8bit control sequences..
2207 */
2208 case IND:
2209 /* index: move cursor down, scroll */
2210 ite_lf(ip);
2211 break;
2212 case NEL:
2213 /* next line. next line, first pos. */
2214 ite_crlf(ip);
2215 break;
2216 case HTS:
2217 /* set horizontal tab */
2218 if (ip->curx < ip->cols)
2219 ip->tabs[ip->curx] = 1;
2220 break;
2221 case RI:
2222 /* reverse index */
2223 ite_rlf(ip);
2224 break;
2225 case SS2:
2226 /* go into G2 for one character */
2227 /* not yet supported */
2228 break;
2229 case SS3:
2230 /* go into G3 for one character */
2231 break;
2232 case DCS:
2233 /* device control string introducer */
2234 ip->escape = DCS;
2235 ip->ap = ip->argbuf;
2236 break;
2237 case CSI:
2238 /* control sequence introducer */
2239 ip->escape = CSI;
2240 ip->ap = ip->argbuf;
2241 break;
2242 case ST:
2243 /* string terminator */
2244 /* ignore, if not used as terminator */
2245 break;
2246 case OSC:
2247 /*
2248 * introduces OS command. Ignore everything
2249 * upto ST
2250 */
2251 ip->escape = OSC;
2252 break;
2253 case PM:
2254 /* privacy message, ignore everything upto ST */
2255 ip->escape = PM;
2256 break;
2257 case APC:
2258 /*
2259 * application program command, ignore * everything upto ST
2260 */
2261 ip->escape = APC;
2262 break;
2263 default:
2264 if ((c & 0x7f) < ' ' || c == DEL)
2265 break;
2266 if (ip->imode)
2267 ite_inchar(ip, 1);
2268 iteprecheckwrap(ip);
2269 #ifdef DO_WEIRD_ATTRIBUTES
2270 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2271 attrset(ip, ATTR_INV);
2272 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2273 } else
2274 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2275 #else
2276 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2277 #endif
2278 SUBR_CURSOR(ip, DRAW_CURSOR);
2279 itecheckwrap(ip);
2280 break;
2281 }
2282 }
2283
2284