ite.c revision 1.39 1 /* $NetBSD: ite.c,v 1.39 1996/04/21 21:11:52 veego 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/kdassert.h>
62 #include <amiga/amiga/color.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 <sys/conf.h>
72 #include <machine/conf.h>
73
74 #include "grfcc.h"
75 #include "ite.h"
76
77 /*
78 * XXX go ask sys/kern/tty.c:ttselect()
79 */
80
81 #define ITEUNIT(dev) (minor(dev))
82
83 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
84 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
85 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
86 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
87 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
88 #define SUBR_SCROLL(ip,sy,sx,count,dir) \
89 (ip)->grf->g_itescroll(ip,sy,sx,count,dir)
90
91 u_int ite_confunits; /* configured units */
92
93 int start_repeat_timeo = 30; /* first repeat after x s/100 */
94 int next_repeat_timeo = 10; /* next repeat after x s/100 */
95
96 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
97
98 struct ite_softc con_itesoftc;
99 u_char cons_tabs[MAX_TABS];
100
101 struct ite_softc *kbd_ite;
102 int kbd_init;
103
104 /* audio bell stuff */
105 u_int bvolume = 10;
106 u_int bpitch = 660;
107 u_int bmsec = 75;
108
109 static char *bsamplep;
110 static char sample[20] = {
111 0,39,75,103,121,127,121,103,75,39,0,
112 -39,-75,-103,-121,-127,-121,-103,-75,-39
113 };
114
115 static char *index __P((const char *, char));
116 static void ite_sifilter __P((void *, void *));
117 void iteputchar __P((int c, struct ite_softc *ip));
118 void ite_putstr __P((const char * s, int len, dev_t dev));
119 void iteattach __P((struct device *, struct device *, void *));
120 int itematch __P((struct device *, void *, void *));
121 static void iteprecheckwrap __P((struct ite_softc *));
122 static void itecheckwrap __P((struct ite_softc *));
123 struct ite_softc *getitesp __P((dev_t));
124 void init_bell __P((void));
125 void ite_bell __P((void));
126 void itecnpollc __P((dev_t, int));
127 static void repeat_handler __P((void *));
128 inline static void ite_sendstr __P((char *));
129 static void alignment_display __P((struct ite_softc *));
130 inline static void snap_cury __P((struct ite_softc *));
131 inline static void ite_dnchar __P((struct ite_softc *, int));
132 inline static void ite_inchar __P((struct ite_softc *, int));
133 inline static void ite_clrtoeol __P((struct ite_softc *));
134 inline static void ite_clrtobol __P((struct ite_softc *));
135 inline static void ite_clrline __P((struct ite_softc *));
136 inline static void ite_clrtoeos __P((struct ite_softc *));
137 inline static void ite_clrtobos __P((struct ite_softc *));
138 inline static void ite_clrscreen __P((struct ite_softc *));
139 inline static void ite_dnline __P((struct ite_softc *, int));
140 inline static void ite_inline __P((struct ite_softc *, int));
141 inline static void ite_lf __P((struct ite_softc *));
142 inline static void ite_crlf __P((struct ite_softc *));
143 inline static void ite_cr __P((struct ite_softc *));
144 inline static void ite_rlf __P((struct ite_softc *));
145 inline static int atoi __P((const char *));
146 inline static int ite_argnum __P((struct ite_softc *));
147 inline static int ite_zargnum __P((struct ite_softc *));
148
149 struct cfattach ite_ca = {
150 sizeof(struct ite_softc), itematch, iteattach
151 };
152
153 struct cfdriver ite_cd = {
154 NULL, "ite", DV_DULL, NULL, 0
155 };
156
157 int
158 itematch(pdp, match, auxp)
159 struct device *pdp;
160 void *match, *auxp;
161 {
162 struct cfdata *cdp = match;
163 struct grf_softc *gp;
164 int maj;
165
166 gp = auxp;
167 /*
168 * all that our mask allows (more than enough no one
169 * has > 32 monitors for text consoles on one machine)
170 */
171 if (cdp->cf_unit >= sizeof(ite_confunits) * NBBY)
172 return(0);
173 /*
174 * XXX
175 * normally this would be done in attach, however
176 * during early init we do not have a device pointer
177 * and thus no unit number.
178 */
179 for(maj = 0; maj < nchrdev; maj++)
180 if (cdevsw[maj].d_open == iteopen)
181 break;
182 gp->g_itedev = makedev(maj, cdp->cf_unit);
183 return(1);
184 }
185
186 void
187 iteattach(pdp, dp, auxp)
188 struct device *pdp, *dp;
189 void *auxp;
190 {
191 struct grf_softc *gp;
192 struct ite_softc *ip;
193 int s;
194
195 gp = (struct grf_softc *)auxp;
196
197 /*
198 * mark unit as attached (XXX see itematch)
199 */
200 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
201
202 if (dp) {
203 ip = (struct ite_softc *)dp;
204
205 s = spltty();
206 if (con_itesoftc.grf != NULL &&
207 con_itesoftc.grf->g_unit == gp->g_unit) {
208 /*
209 * console reinit copy params over.
210 * and console always gets keyboard
211 */
212 bcopy(&con_itesoftc.grf, &ip->grf,
213 (char *)&ip[1] - (char *)&ip->grf);
214 con_itesoftc.grf = NULL;
215 kbd_ite = ip;
216 }
217 ip->grf = gp;
218 splx(s);
219
220 alloc_sicallback();
221 iteinit(gp->g_itedev);
222 printf(": rows %d cols %d", ip->rows, ip->cols);
223 printf(" repeat at (%d/100)s next at (%d/100)s",
224 start_repeat_timeo, next_repeat_timeo);
225
226 if (kbd_ite == NULL)
227 kbd_ite = ip;
228 if (kbd_ite == ip)
229 printf(" has keyboard");
230 printf("\n");
231 } else {
232 if (con_itesoftc.grf != NULL &&
233 con_itesoftc.grf->g_conpri > gp->g_conpri)
234 return;
235 con_itesoftc.grf = gp;
236 con_itesoftc.tabs = cons_tabs;
237 }
238 }
239
240 struct ite_softc *
241 getitesp(dev)
242 dev_t dev;
243 {
244 if (amiga_realconfig && con_itesoftc.grf == NULL)
245 return(ite_cd.cd_devs[ITEUNIT(dev)]);
246
247 if (con_itesoftc.grf == NULL)
248 panic("no ite_softc for console");
249 return(&con_itesoftc);
250 }
251
252 /*
253 * cons.c entry points into ite device.
254 */
255
256 /*
257 * Return a priority in consdev->cn_pri field highest wins. This function
258 * is called before any devices have been probed.
259 */
260 void
261 itecnprobe(cd)
262 struct consdev *cd;
263 {
264 /*
265 * bring graphics layer up.
266 */
267 config_console();
268
269 /*
270 * return priority of the best ite (already picked from attach)
271 * or CN_DEAD.
272 */
273 if (con_itesoftc.grf == NULL)
274 cd->cn_pri = CN_DEAD;
275 else {
276 cd->cn_pri = con_itesoftc.grf->g_conpri;
277 cd->cn_dev = con_itesoftc.grf->g_itedev;
278 }
279 }
280
281 /* audio bell stuff */
282 void
283 init_bell()
284 {
285 if (bsamplep != NULL)
286 return;
287 bsamplep = alloc_chipmem(20);
288 if (bsamplep == NULL)
289 panic("no chipmem for ite_bell");
290
291 bcopy(sample, bsamplep, 20);
292 }
293
294 void
295 ite_bell()
296 {
297 u_int clock;
298 u_int period;
299 u_int count;
300
301 clock = 3579545; /* PAL 3546895 */
302
303 /*
304 * the number of clock ticks per sample byte must be > 124
305 * ergo bpitch must be < clock / 124*20
306 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously
307 */
308 period = clock / (bpitch * 20);
309 count = bmsec * bpitch / 1000;
310
311 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count);
312 }
313
314 void
315 itecninit(cd)
316 struct consdev *cd;
317 {
318 struct ite_softc *ip;
319
320 ip = getitesp(cd->cn_dev);
321 iteinit(cd->cn_dev);
322 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
323
324 init_bell();
325 }
326
327 /*
328 * ite_cnfinish() is called in ite_init() when the device is
329 * being probed in the normal fasion, thus we can finish setting
330 * up this ite now that the system is more functional.
331 */
332 void
333 ite_cnfinish(ip)
334 struct ite_softc *ip;
335 {
336 static int done;
337
338 if (done)
339 return;
340 done = 1;
341 }
342
343 int
344 itecngetc(dev)
345 dev_t dev;
346 {
347 int c;
348
349 /* XXX this should be moved */
350 if (!kbd_init) {
351 kbd_init = 1;
352 kbdenable();
353 }
354 do {
355 c = kbdgetcn();
356 c = ite_cnfilter(c, ITEFILT_CONSOLE);
357 } while (c == -1);
358 return (c);
359 }
360
361 void
362 itecnputc(dev, c)
363 dev_t dev;
364 int c;
365 {
366 static int paniced;
367 struct ite_softc *ip;
368 char ch;
369
370 ip = getitesp(dev);
371 ch = c;
372
373 if (panicstr && !paniced &&
374 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
375 (void)ite_on(dev, 3);
376 paniced = 1;
377 }
378 iteputchar(ch, ip);
379 }
380
381 void
382 itecnpollc(dev, on)
383 dev_t dev;
384 int on;
385 {
386
387 }
388
389 /*
390 * standard entry points to the device.
391 */
392
393 /*
394 * iteinit() is the standard entry point for initialization of
395 * an ite device, it is also called from ite_cninit().
396 *
397 */
398 void
399 iteinit(dev)
400 dev_t dev;
401 {
402 struct ite_softc *ip;
403 static int kbdmap_loaded = 0;
404
405 ip = getitesp(dev);
406 if (ip->flags & ITE_INITED)
407 return;
408 if (kbdmap_loaded == 0) {
409 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
410 kbdmap_loaded = 1;
411 }
412
413 ip->cursorx = 0;
414 ip->cursory = 0;
415 SUBR_INIT(ip);
416 SUBR_CURSOR(ip, DRAW_CURSOR);
417 if (ip->tabs == NULL)
418 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
419 ite_reset(ip);
420 ip->flags |= ITE_INITED;
421 }
422
423 int
424 iteopen(dev, mode, devtype, p)
425 dev_t dev;
426 int mode, devtype;
427 struct proc *p;
428 {
429 struct ite_softc *ip;
430 struct tty *tp;
431 int error, first, unit;
432
433 unit = ITEUNIT(dev);
434 first = 0;
435
436 if (((1 << unit) & ite_confunits) == 0)
437 return (ENXIO);
438
439 ip = getitesp(dev);
440
441 if (ip->tp == NULL)
442 tp = ip->tp = ttymalloc();
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 if (!kbd_init) {
472 kbd_init = 1;
473 kbdenable();
474 }
475 } else if (first)
476 ite_off(dev, 0);
477 return (error);
478 }
479
480 int
481 iteclose(dev, flag, mode, p)
482 dev_t dev;
483 int flag, mode;
484 struct proc *p;
485 {
486 struct tty *tp;
487
488 tp = getitesp(dev)->tp;
489
490 KDASSERT(tp);
491 (*linesw[tp->t_line].l_close) (tp, flag);
492 ttyclose(tp);
493 ite_off(dev, 0);
494 return (0);
495 }
496
497 int
498 iteread(dev, uio, flag)
499 dev_t dev;
500 struct uio *uio;
501 int flag;
502 {
503 struct tty *tp;
504
505 tp = getitesp(dev)->tp;
506
507 KDASSERT(tp);
508 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
509 }
510
511 int
512 itewrite(dev, uio, flag)
513 dev_t dev;
514 struct uio *uio;
515 int flag;
516 {
517 struct tty *tp;
518
519 tp = getitesp(dev)->tp;
520
521 KDASSERT(tp);
522 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
523 }
524
525 struct tty *
526 itetty(dev)
527 dev_t dev;
528 {
529 return (getitesp(dev)->tp);
530 }
531
532 int
533 itestop(tp, flag)
534 struct tty *tp;
535 int flag;
536 {
537 return (0);
538 }
539
540 int
541 iteioctl(dev, cmd, addr, flag, p)
542 dev_t dev;
543 u_long cmd;
544 caddr_t addr;
545 int flag;
546 struct proc *p;
547 {
548 struct iterepeat *irp;
549 struct ite_softc *ip;
550 struct itebell *ib;
551 struct tty *tp;
552 int error;
553
554 ip = getitesp(dev);
555 tp = ip->tp;
556
557 KDASSERT(tp);
558
559 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, addr, flag, p);
560 if (error >= 0)
561 return (error);
562 error = ttioctl(tp, cmd, addr, flag, p);
563 if (error >= 0)
564 return (error);
565
566 switch (cmd) {
567 case ITEIOCGBELL:
568 ib = (struct itebell *)addr;
569 ib->volume = bvolume;
570 ib->pitch = bpitch;
571 ib->msec = bmsec;
572 return (0);
573 case ITEIOCSBELL:
574 ib = (struct itebell *)addr;
575
576 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH ||
577 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME)
578 return (EINVAL);
579 bvolume = ib->volume;
580 bpitch = ib->pitch;
581 bmsec = ib->msec;
582 return (0);
583 case ITEIOCSKMAP:
584 if (addr == 0)
585 return(EFAULT);
586 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
587 return(0);
588 case ITEIOCGKMAP:
589 if (addr == NULL)
590 return(EFAULT);
591 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
592 return(0);
593 case ITEIOCGREPT:
594 irp = (struct iterepeat *)addr;
595 irp->start = start_repeat_timeo;
596 irp->next = next_repeat_timeo;
597 return (0);
598 case ITEIOCSREPT:
599 irp = (struct iterepeat *)addr;
600 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
601 return(EINVAL);
602 start_repeat_timeo = irp->start;
603 next_repeat_timeo = irp->next;
604 return(0);
605 }
606 #if NGRFCC > 0
607 /* XXX */
608 if (minor(dev) == 0) {
609 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
610 if (error >= 0)
611 return (error);
612 }
613 #endif
614 return (ENOTTY);
615 }
616
617 void
618 itestart(tp)
619 struct tty *tp;
620 {
621 struct clist *rbp;
622 struct ite_softc *ip;
623 u_char buf[ITEBURST];
624 int s, len;
625
626 ip = getitesp(tp->t_dev);
627
628 KDASSERT(tp);
629
630 s = spltty(); {
631 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
632 goto out;
633
634 tp->t_state |= TS_BUSY;
635 rbp = &tp->t_outq;
636
637 len = q_to_b(rbp, buf, ITEBURST);
638 } splx(s);
639
640 /* Here is a really good place to implement pre/jumpscroll() */
641 ite_putstr(buf, len, tp->t_dev);
642
643 s = spltty(); {
644 tp->t_state &= ~TS_BUSY;
645 /* we have characters remaining. */
646 if (rbp->c_cc) {
647 tp->t_state |= TS_TIMEOUT;
648 timeout(ttrstrt, tp, 1);
649 }
650 /* wakeup we are below */
651 if (rbp->c_cc <= tp->t_lowat) {
652 if (tp->t_state & TS_ASLEEP) {
653 tp->t_state &= ~TS_ASLEEP;
654 wakeup((caddr_t) rbp);
655 }
656 selwakeup(&tp->t_wsel);
657 }
658 out:
659 } splx(s);
660 }
661
662 int
663 ite_on(dev, flag)
664 dev_t dev;
665 int flag;
666 {
667 struct ite_softc *ip;
668 int unit;
669
670 unit = ITEUNIT(dev);
671 if (((1 << unit) & ite_confunits) == 0)
672 return (ENXIO);
673
674 ip = getitesp(dev);
675
676 /* force ite active, overriding graphics mode */
677 if (flag & 1) {
678 ip->flags |= ITE_ACTIVE;
679 ip->flags &= ~(ITE_INGRF | ITE_INITED);
680 }
681 /* leave graphics mode */
682 if (flag & 2) {
683 ip->flags &= ~ITE_INGRF;
684 if ((ip->flags & ITE_ACTIVE) == 0)
685 return (0);
686 }
687 ip->flags |= ITE_ACTIVE;
688 if (ip->flags & ITE_INGRF)
689 return (0);
690 iteinit(dev);
691 return (0);
692 }
693
694 void
695 ite_off(dev, flag)
696 dev_t dev;
697 int flag;
698 {
699 struct ite_softc *ip;
700
701 ip = getitesp(dev);
702 if (flag & 2)
703 ip->flags |= ITE_INGRF;
704 if ((ip->flags & ITE_ACTIVE) == 0)
705 return;
706 if ((flag & 1) ||
707 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
708 SUBR_DEINIT(ip);
709 /* XXX hmm grfon() I think wants this to go inactive. */
710 if ((flag & 2) == 0)
711 ip->flags &= ~ITE_ACTIVE;
712 }
713
714 /* XXX called after changes made in underlying grf layer. */
715 /* I want to nuke this */
716 void
717 ite_reinit(dev)
718 dev_t dev;
719 {
720 struct ite_softc *ip;
721
722 ip = getitesp(dev);
723 ip->flags &= ~ITE_INITED;
724 iteinit(dev);
725 }
726
727 int
728 ite_param(tp, t)
729 struct tty *tp;
730 struct termios *t;
731 {
732 tp->t_ispeed = t->c_ispeed;
733 tp->t_ospeed = t->c_ospeed;
734 tp->t_cflag = t->c_cflag;
735 return (0);
736 }
737
738 void
739 ite_reset(ip)
740 struct ite_softc *ip;
741 {
742 int i;
743
744 ip->curx = 0;
745 ip->cury = 0;
746 ip->attribute = ATTR_NOR;
747 ip->save_curx = 0;
748 ip->save_cury = 0;
749 ip->save_attribute = ATTR_NOR;
750 ip->ap = ip->argbuf;
751 ip->emul_level = 0;
752 ip->eightbit_C1 = 0;
753 ip->top_margin = 0;
754 ip->bottom_margin = ip->rows - 1;
755 ip->inside_margins = 0;
756 ip->linefeed_newline = 0;
757 ip->auto_wrap = ite_default_wrap;
758 ip->cursor_appmode = 0;
759 ip->keypad_appmode = 0;
760 ip->imode = 0;
761 ip->key_repeat = 1;
762 bzero(ip->tabs, ip->cols);
763 for (i = 0; i < ip->cols; i++)
764 ip->tabs[i] = ((i & 7) == 0);
765 }
766
767 /*
768 * has to be global becuase of the shared filters.
769 */
770 static u_char key_mod;
771 static u_char last_dead;
772
773 /* Used in console at startup only */
774 int
775 ite_cnfilter(c, caller)
776 u_char c;
777 enum caller caller;
778 {
779 struct key key;
780 u_char code, up, mask;
781 int s, i;
782
783 up = c & 0x80 ? 1 : 0;
784 c &= 0x7f;
785 code = 0;
786
787 s = spltty();
788
789 i = (int)c - KBD_LEFT_SHIFT;
790 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
791 mask = 1 << i;
792 if (up)
793 key_mod &= ~mask;
794 else
795 key_mod |= mask;
796 splx(s);
797 return -1;
798 }
799
800 if (up) {
801 splx(s);
802 return -1;
803 }
804
805 /* translate modifiers */
806 if (key_mod & KBD_MOD_SHIFT) {
807 if (key_mod & KBD_MOD_ALT)
808 key = kbdmap.alt_shift_keys[c];
809 else
810 key = kbdmap.shift_keys[c];
811 } else if (key_mod & KBD_MOD_ALT)
812 key = kbdmap.alt_keys[c];
813 else {
814 key = kbdmap.keys[c];
815 /* if CAPS and key is CAPable (no pun intended) */
816 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
817 key = kbdmap.shift_keys[c];
818 }
819 code = key.code;
820
821 /* if string return */
822 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
823 splx(s);
824 return -1;
825 }
826 /* handle dead keys */
827 if (key.mode & KBD_MODE_DEAD) {
828 /* if entered twice, send accent itself */
829 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
830 last_dead = 0;
831 else {
832 last_dead = key.mode & KBD_MODE_ACCMASK;
833 splx(s);
834 return -1;
835 }
836 }
837 if (last_dead) {
838 /* can't apply dead flag to string-keys */
839 if (code >= '@' && code < 0x7f)
840 code =
841 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
842 last_dead = 0;
843 }
844 if (key_mod & KBD_MOD_CTRL)
845 code &= 0x1f;
846 if (key_mod & KBD_MOD_META)
847 code |= 0x80;
848
849 /* do console mapping. */
850 code = code == '\r' ? '\n' : code;
851
852 splx(s);
853 return (code);
854 }
855
856 /* And now the old stuff. */
857
858 /* these are used to implement repeating keys.. */
859 static u_char last_char;
860 static u_char tout_pending;
861
862
863 static void
864 ite_sifilter(void *arg1, void *arg2)
865 {
866 ite_filter((u_char)(size_t)arg1, (enum caller)(size_t)arg2);
867 }
868
869
870 /*ARGSUSED*/
871 static void
872 repeat_handler(arg)
873 void *arg;
874 {
875 tout_pending = 0;
876 if (last_char)
877 add_sicallback(ite_sifilter, (void *)(size_t)last_char,
878 (void *)(size_t)ITEFILT_REPEATER);
879 }
880
881 void
882 ite_filter(c, caller)
883 u_char c;
884 enum caller caller;
885 {
886 struct tty *kbd_tty;
887 u_char code, *str, up, mask;
888 struct key key;
889 int s, i;
890
891 if (kbd_ite == NULL || kbd_ite->tp == NULL)
892 return;
893
894 kbd_tty = kbd_ite->tp;
895
896 /* have to make sure we're at spltty in here */
897 s = spltty();
898
899 /*
900 * keyboard interrupts come at priority 2, while softint
901 * generated keyboard-repeat interrupts come at level 1. So,
902 * to not allow a key-up event to get thru before a repeat for
903 * the key-down, we remove any outstanding callout requests..
904 */
905 rem_sicallback(ite_sifilter);
906
907 up = c & 0x80 ? 1 : 0;
908 c &= 0x7f;
909 code = 0;
910
911 i = (int)c - KBD_LEFT_SHIFT;
912 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
913 mask = 1 << i;
914 if (up)
915 key_mod &= ~mask;
916 else
917 key_mod |= mask;
918 splx(s);
919 return;
920 }
921 /* stop repeating on up event */
922 if (up) {
923 if (tout_pending) {
924 untimeout(repeat_handler, 0);
925 tout_pending = 0;
926 last_char = 0;
927 }
928 splx(s);
929 return;
930 } else if (tout_pending && last_char != c) {
931 /* different character, stop also */
932 untimeout(repeat_handler, 0);
933 tout_pending = 0;
934 last_char = 0;
935 }
936 /* Safety button, switch back to ascii keymap. */
937 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
938 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
939
940 splx(s);
941 return;
942 #ifdef DDB
943 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
944 Debugger();
945 splx(s);
946 return;
947 #endif
948 }
949 /* translate modifiers */
950 if (key_mod & KBD_MOD_SHIFT) {
951 if (key_mod & KBD_MOD_ALT)
952 key = kbdmap.alt_shift_keys[c];
953 else
954 key = kbdmap.shift_keys[c];
955 } else if (key_mod & KBD_MOD_ALT)
956 key = kbdmap.alt_keys[c];
957 else {
958 key = kbdmap.keys[c];
959 /* if CAPS and key is CAPable (no pun intended) */
960 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
961 key = kbdmap.shift_keys[c];
962 }
963 code = key.code;
964
965 /*
966 * arrange to repeat the keystroke. By doing this at the level
967 * of scan-codes, we can have function keys, and keys that
968 * send strings, repeat too. This also entitles an additional
969 * overhead, since we have to do the conversion each time, but
970 * I guess that's ok.
971 */
972 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
973 tout_pending = 1;
974 last_char = c;
975 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100);
976 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
977 kbd_ite->key_repeat) {
978 tout_pending = 1;
979 last_char = c;
980 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100);
981 }
982 /* handle dead keys */
983 if (key.mode & KBD_MODE_DEAD) {
984 /* if entered twice, send accent itself */
985 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
986 last_dead = 0;
987 else {
988 last_dead = key.mode & KBD_MODE_ACCMASK;
989 splx(s);
990 return;
991 }
992 }
993 if (last_dead) {
994 /* can't apply dead flag to string-keys */
995 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
996 code < 0x7f)
997 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
998 last_dead = 0;
999 }
1000 /* if not string, apply META and CTRL modifiers */
1001 if (!(key.mode & KBD_MODE_STRING)
1002 && (!(key.mode & KBD_MODE_KPAD) ||
1003 (kbd_ite && !kbd_ite->keypad_appmode))) {
1004 if (key_mod & KBD_MOD_CTRL)
1005 code &= 0x1f;
1006 if (key_mod & KBD_MOD_META)
1007 code |= 0x80;
1008 } else if ((key.mode & KBD_MODE_KPAD) &&
1009 (kbd_ite && kbd_ite->keypad_appmode)) {
1010 static char in[] = {
1011 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */,
1012 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */,
1013 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */,
1014 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */,
1015 0x5c /* / */, 0x5d /* * */
1016 };
1017 static char *out = "pqrstuvwxymlnMPQRS";
1018 char *cp = index (in, c);
1019
1020 /*
1021 * keypad-appmode sends SS3 followed by the above
1022 * translated character
1023 */
1024 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
1025 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty);
1026 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
1027 splx(s);
1028 return;
1029 } else {
1030 /* *NO* I don't like this.... */
1031 static u_char app_cursor[] =
1032 {
1033 3, 27, 'O', 'A',
1034 3, 27, 'O', 'B',
1035 3, 27, 'O', 'C',
1036 3, 27, 'O', 'D'};
1037
1038 str = kbdmap.strings + code;
1039 /*
1040 * if this is a cursor key, AND it has the default
1041 * keymap setting, AND we're in app-cursor mode, switch
1042 * to the above table. This is *nasty* !
1043 */
1044 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
1045 && !bcmp(str, "\x03\x1b[", 3) &&
1046 index("ABCD", str[3]))
1047 str = app_cursor + 4 * (str[3] - 'A');
1048
1049 /*
1050 * using a length-byte instead of 0-termination allows
1051 * to embed \0 into strings, although this is not used
1052 * in the default keymap
1053 */
1054 for (i = *str++; i; i--)
1055 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1056 splx(s);
1057 return;
1058 }
1059 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
1060
1061 splx(s);
1062 return;
1063 }
1064
1065 /* helper functions, makes the code below more readable */
1066 inline static void
1067 ite_sendstr(str)
1068 char *str;
1069 {
1070 struct tty *kbd_tty;
1071
1072 kbd_tty = kbd_ite->tp;
1073 KDASSERT(kbd_tty);
1074 while (*str)
1075 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1076 }
1077
1078 static void
1079 alignment_display(ip)
1080 struct ite_softc *ip;
1081 {
1082 int i, j;
1083
1084 for (j = 0; j < ip->rows; j++)
1085 for (i = 0; i < ip->cols; i++)
1086 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1087 attrclr(ip, 0, 0, ip->rows, ip->cols);
1088 SUBR_CURSOR(ip, DRAW_CURSOR);
1089 }
1090
1091 inline static void
1092 snap_cury(ip)
1093 struct ite_softc *ip;
1094 {
1095 if (ip->inside_margins)
1096 {
1097 if (ip->cury < ip->top_margin)
1098 ip->cury = ip->top_margin;
1099 if (ip->cury > ip->bottom_margin)
1100 ip->cury = ip->bottom_margin;
1101 }
1102 }
1103
1104 inline static void
1105 ite_dnchar(ip, n)
1106 struct ite_softc *ip;
1107 int n;
1108 {
1109 n = min(n, ip->cols - ip->curx);
1110 if (n < ip->cols - ip->curx)
1111 {
1112 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1113 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1114 1, ip->cols - ip->curx - n);
1115 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1116 }
1117 while (n-- > 0)
1118 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1119 SUBR_CURSOR(ip, DRAW_CURSOR);
1120 }
1121
1122 inline static void
1123 ite_inchar(ip, n)
1124 struct ite_softc *ip;
1125 int n;
1126 {
1127 n = min(n, ip->cols - ip->curx);
1128 if (n < ip->cols - ip->curx)
1129 {
1130 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1131 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1132 1, ip->cols - ip->curx - n);
1133 attrclr(ip, ip->cury, ip->curx, 1, n);
1134 }
1135 while (n--)
1136 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1137 SUBR_CURSOR(ip, DRAW_CURSOR);
1138 }
1139
1140 inline static void
1141 ite_clrtoeol(ip)
1142 struct ite_softc *ip;
1143 {
1144 int y = ip->cury, x = ip->curx;
1145 if (ip->cols - x > 0)
1146 {
1147 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1148 attrclr(ip, y, x, 1, ip->cols - x);
1149 SUBR_CURSOR(ip, DRAW_CURSOR);
1150 }
1151 }
1152
1153 inline static void
1154 ite_clrtobol(ip)
1155 struct ite_softc *ip;
1156 {
1157 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1158 SUBR_CLEAR(ip, y, 0, 1, x);
1159 attrclr(ip, y, 0, 1, x);
1160 SUBR_CURSOR(ip, DRAW_CURSOR);
1161 }
1162
1163 inline static void
1164 ite_clrline(ip)
1165 struct ite_softc *ip;
1166 {
1167 int y = ip->cury;
1168 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1169 attrclr(ip, y, 0, 1, ip->cols);
1170 SUBR_CURSOR(ip, DRAW_CURSOR);
1171 }
1172
1173
1174
1175 inline static void
1176 ite_clrtoeos(ip)
1177 struct ite_softc *ip;
1178 {
1179 ite_clrtoeol(ip);
1180 if (ip->cury < ip->rows - 1)
1181 {
1182 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1183 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1184 SUBR_CURSOR(ip, DRAW_CURSOR);
1185 }
1186 }
1187
1188 inline static void
1189 ite_clrtobos(ip)
1190 struct ite_softc *ip;
1191 {
1192 ite_clrtobol(ip);
1193 if (ip->cury > 0)
1194 {
1195 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1196 attrclr(ip, 0, 0, ip->cury, ip->cols);
1197 SUBR_CURSOR(ip, DRAW_CURSOR);
1198 }
1199 }
1200
1201 inline static void
1202 ite_clrscreen(ip)
1203 struct ite_softc *ip;
1204 {
1205 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1206 attrclr(ip, 0, 0, ip->rows, ip->cols);
1207 SUBR_CURSOR(ip, DRAW_CURSOR);
1208 }
1209
1210
1211
1212 inline static void
1213 ite_dnline(ip, n)
1214 struct ite_softc *ip;
1215 int n;
1216 {
1217 /* interesting.. if the cursor is outside the scrolling
1218 region, this command is simply ignored.. */
1219 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1220 return;
1221
1222 n = min(n, ip->bottom_margin + 1 - ip->cury);
1223 if (n <= ip->bottom_margin - ip->cury)
1224 {
1225 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1226 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1227 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1228 }
1229 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1230 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1231 SUBR_CURSOR(ip, DRAW_CURSOR);
1232 }
1233
1234 inline static void
1235 ite_inline(ip, n)
1236 struct ite_softc *ip;
1237 int n;
1238 {
1239 /* interesting.. if the cursor is outside the scrolling
1240 region, this command is simply ignored.. */
1241 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1242 return;
1243
1244 n = min(n, ip->bottom_margin + 1 - ip->cury);
1245 if (n <= ip->bottom_margin - ip->cury)
1246 {
1247 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1248 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1249 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1250 }
1251 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1252 attrclr(ip, ip->cury, 0, n, ip->cols);
1253 SUBR_CURSOR(ip, DRAW_CURSOR);
1254 }
1255
1256 inline static void
1257 ite_lf (ip)
1258 struct ite_softc *ip;
1259 {
1260 ++ip->cury;
1261 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1262 {
1263 ip->cury--;
1264 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1265 ite_clrline(ip);
1266 }
1267 SUBR_CURSOR(ip, MOVE_CURSOR);
1268 clr_attr(ip, ATTR_INV);
1269 }
1270
1271 inline static void
1272 ite_crlf (ip)
1273 struct ite_softc *ip;
1274 {
1275 ip->curx = 0;
1276 ite_lf (ip);
1277 }
1278
1279 inline static void
1280 ite_cr (ip)
1281 struct ite_softc *ip;
1282 {
1283 if (ip->curx)
1284 {
1285 ip->curx = 0;
1286 SUBR_CURSOR(ip, MOVE_CURSOR);
1287 }
1288 }
1289
1290 inline static void
1291 ite_rlf (ip)
1292 struct ite_softc *ip;
1293 {
1294 ip->cury--;
1295 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1296 {
1297 ip->cury++;
1298 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1299 ite_clrline(ip);
1300 }
1301 SUBR_CURSOR(ip, MOVE_CURSOR);
1302 clr_attr(ip, ATTR_INV);
1303 }
1304
1305 inline static int
1306 atoi (cp)
1307 const char *cp;
1308 {
1309 int n;
1310
1311 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1312 n = n * 10 + *cp - '0';
1313
1314 return n;
1315 }
1316
1317 static char *
1318 index (cp, ch)
1319 const char *cp;
1320 char ch;
1321 {
1322 while (*cp && *cp != ch) cp++;
1323 return *cp ? (char *) cp : 0;
1324 }
1325
1326
1327
1328 inline static int
1329 ite_argnum (ip)
1330 struct ite_softc *ip;
1331 {
1332 char ch;
1333 int n;
1334
1335 /* convert argument string into number */
1336 if (ip->ap == ip->argbuf)
1337 return 1;
1338 ch = *ip->ap;
1339 *ip->ap = 0;
1340 n = atoi (ip->argbuf);
1341 *ip->ap = ch;
1342
1343 return n;
1344 }
1345
1346 inline static int
1347 ite_zargnum (ip)
1348 struct ite_softc *ip;
1349 {
1350 char ch;
1351 int n;
1352
1353 /* convert argument string into number */
1354 if (ip->ap == ip->argbuf)
1355 return 0;
1356 ch = *ip->ap;
1357 *ip->ap = 0;
1358 n = atoi (ip->argbuf);
1359 *ip->ap = ch;
1360
1361 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1362 }
1363
1364 void
1365 ite_putstr(s, len, dev)
1366 const char *s;
1367 int len;
1368 dev_t dev;
1369 {
1370 struct ite_softc *ip;
1371 int i;
1372
1373 ip = getitesp(dev);
1374
1375 /* XXX avoid problems */
1376 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1377 return;
1378
1379 SUBR_CURSOR(ip, START_CURSOROPT);
1380 for (i = 0; i < len; i++)
1381 if (s[i])
1382 iteputchar(s[i], ip);
1383 SUBR_CURSOR(ip, END_CURSOROPT);
1384 }
1385
1386 static void
1387 iteprecheckwrap(ip)
1388 struct ite_softc *ip;
1389 {
1390 if (ip->auto_wrap && ip->curx == ip->cols) {
1391 ip->curx = 0;
1392 clr_attr(ip, ATTR_INV);
1393 if (++ip->cury >= ip->bottom_margin + 1) {
1394 ip->cury = ip->bottom_margin;
1395 SUBR_CURSOR(ip, MOVE_CURSOR);
1396 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1397 ite_clrtoeol(ip);
1398 } else
1399 SUBR_CURSOR(ip, MOVE_CURSOR);
1400 }
1401 }
1402
1403 static void
1404 itecheckwrap(ip)
1405 struct ite_softc *ip;
1406 {
1407 #if 0
1408 if (++ip->curx == ip->cols) {
1409 if (ip->auto_wrap) {
1410 ip->curx = 0;
1411 clr_attr(ip, ATTR_INV);
1412 if (++ip->cury >= ip->bottom_margin + 1) {
1413 ip->cury = ip->bottom_margin;
1414 SUBR_CURSOR(ip, MOVE_CURSOR);
1415 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1416 ite_clrtoeol(ip);
1417 return;
1418 }
1419 } else
1420 /* stay there if no autowrap.. */
1421 ip->curx--;
1422 }
1423 #else
1424 if (ip->curx < ip->cols) {
1425 ip->curx++;
1426 SUBR_CURSOR(ip, MOVE_CURSOR);
1427 }
1428 #endif
1429 }
1430
1431 void
1432 iteputchar(c, ip)
1433 register int c;
1434 struct ite_softc *ip;
1435 {
1436 struct tty *kbd_tty;
1437 int n, x, y;
1438 char *cp;
1439
1440 if (kbd_ite == NULL)
1441 kbd_tty = NULL;
1442 else
1443 kbd_tty = kbd_ite->tp;
1444
1445 if (ip->escape) {
1446 switch (ip->escape) {
1447 case ESC:
1448 switch (c) {
1449 /*
1450 * first 7bit equivalents for the
1451 * 8bit control characters
1452 */
1453 case 'D':
1454 c = IND;
1455 ip->escape = 0;
1456 break;
1457 /*
1458 * and fall into the next
1459 * switch below (same for all `break')
1460 */
1461 case 'E':
1462 c = NEL;
1463 ip->escape = 0;
1464 break;
1465 case 'H':
1466 c = HTS;
1467 ip->escape = 0;
1468 break;
1469 case 'M':
1470 c = RI;
1471 ip->escape = 0;
1472 break;
1473 case 'N':
1474 c = SS2;
1475 ip->escape = 0;
1476 break;
1477 case 'O':
1478 c = SS3;
1479 ip->escape = 0;
1480 break;
1481 case 'P':
1482 c = DCS;
1483 ip->escape = 0;
1484 break;
1485 case '[':
1486 c = CSI;
1487 ip->escape = 0;
1488 break;
1489 case '\\':
1490 c = ST;
1491 ip->escape = 0;
1492 break;
1493 case ']':
1494 c = OSC;
1495 ip->escape = 0;
1496 break;
1497 case '^':
1498 c = PM;
1499 ip->escape = 0;
1500 break;
1501 case '_':
1502 c = APC;
1503 ip->escape = 0;
1504 break;
1505 /* introduces 7/8bit control */
1506 case ' ':
1507 /* can be followed by either F or G */
1508 ip->escape = ' ';
1509 break;
1510 /*
1511 * a lot of character set selections, not yet
1512 * used... 94-character sets:
1513 */
1514 case '(': /* G0 */
1515 case ')': /* G1 */
1516 ip->escape = c;
1517 return;
1518 case '*': /* G2 */
1519 case '+': /* G3 */
1520 case 'B': /* ASCII */
1521 case 'A': /* ISO latin 1 */
1522 case '<': /* user preferred suplemental */
1523 case '0': /* dec special graphics */
1524 /*
1525 * 96-character sets:
1526 */
1527 case '-': /* G1 */
1528 case '.': /* G2 */
1529 case '/': /* G3 */
1530 /*
1531 * national character sets:
1532 */
1533 case '4': /* dutch */
1534 case '5':
1535 case 'C': /* finnish */
1536 case 'R': /* french */
1537 case 'Q': /* french canadian */
1538 case 'K': /* german */
1539 case 'Y': /* italian */
1540 case '6': /* norwegian/danish */
1541 /*
1542 * note: %5 and %6 are not supported (two
1543 * chars..)
1544 */
1545 ip->escape = 0;
1546 /* just ignore for now */
1547 return;
1548 /*
1549 * locking shift modes (as you might guess, not
1550 * yet supported..)
1551 */
1552 case '`':
1553 ip->GR = ip->G1;
1554 ip->escape = 0;
1555 return;
1556 case 'n':
1557 ip->GL = ip->G2;
1558 ip->escape = 0;
1559 return;
1560 case '}':
1561 ip->GR = ip->G2;
1562 ip->escape = 0;
1563 return;
1564 case 'o':
1565 ip->GL = ip->G3;
1566 ip->escape = 0;
1567 return;
1568 case '|':
1569 ip->GR = ip->G3;
1570 ip->escape = 0;
1571 return;
1572 case '#':
1573 /* font width/height control */
1574 ip->escape = '#';
1575 return;
1576 case 'c':
1577 /* hard terminal reset .. */
1578 ite_reset(ip);
1579 SUBR_CURSOR(ip, MOVE_CURSOR);
1580 ip->escape = 0;
1581 return;
1582 case '7':
1583 ip->save_curx = ip->curx;
1584 ip->save_cury = ip->cury;
1585 ip->save_attribute = ip->attribute;
1586 ip->escape = 0;
1587 return;
1588 case '8':
1589 ip->curx = ip->save_curx;
1590 ip->cury = ip->save_cury;
1591 ip->attribute = ip->save_attribute;
1592 SUBR_CURSOR(ip, MOVE_CURSOR);
1593 ip->escape = 0;
1594 return;
1595 case '=':
1596 ip->keypad_appmode = 1;
1597 ip->escape = 0;
1598 return;
1599 case '>':
1600 ip->keypad_appmode = 0;
1601 ip->escape = 0;
1602 return;
1603 case 'Z': /* request ID */
1604 /* XXX not clean */
1605 if (ip->emul_level == EMUL_VT100)
1606 ite_sendstr("\033[?61;0c");
1607 else
1608 ite_sendstr("\033[?63;0c");
1609 ip->escape = 0;
1610 return;
1611 default:
1612 /*
1613 * default catch all for not recognized ESC
1614 * sequences
1615 */
1616 ip->escape = 0;
1617 return;
1618 }
1619 break;
1620 case '(':
1621 case ')':
1622 ip->escape = 0;
1623 return;
1624 case ' ':
1625 switch (c) {
1626 case 'F':
1627 ip->eightbit_C1 = 0;
1628 ip->escape = 0;
1629 return;
1630 case 'G':
1631 ip->eightbit_C1 = 1;
1632 ip->escape = 0;
1633 return;
1634 default:
1635 /* not supported */
1636 ip->escape = 0;
1637 return;
1638 }
1639 break;
1640 case '#':
1641 switch (c) {
1642 case '5':
1643 /* single height, single width */
1644 ip->escape = 0;
1645 return;
1646 case '6':
1647 /* double width, single height */
1648 ip->escape = 0;
1649 return;
1650 case '3':
1651 /* top half */
1652 ip->escape = 0;
1653 return;
1654 case '4':
1655 /* bottom half */
1656 ip->escape = 0;
1657 return;
1658 case '8':
1659 /* screen alignment pattern... */
1660 alignment_display(ip);
1661 ip->escape = 0;
1662 return;
1663 default:
1664 ip->escape = 0;
1665 return;
1666 }
1667 break;
1668 case CSI:
1669 /* the biggie... */
1670 switch (c) {
1671 case '0':
1672 case '1':
1673 case '2':
1674 case '3':
1675 case '4':
1676 case '5':
1677 case '6':
1678 case '7':
1679 case '8':
1680 case '9':
1681 case ';':
1682 case '\"':
1683 case '$':
1684 case '>':
1685 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1686 *ip->ap++ = c;
1687 return;
1688 case BS:
1689 /*
1690 * you wouldn't believe such perversion is
1691 * possible? it is.. BS is allowed in between
1692 * cursor sequences (at least), according to
1693 * vttest..
1694 */
1695 if (--ip->curx < 0)
1696 ip->curx = 0;
1697 else
1698 SUBR_CURSOR(ip, MOVE_CURSOR);
1699 break;
1700 case 'p':
1701 *ip->ap = 0;
1702 if (!strncmp(ip->argbuf, "61\"", 3))
1703 ip->emul_level = EMUL_VT100;
1704 else if (!strncmp(ip->argbuf, "63;1\"", 5)
1705 || !strncmp(ip->argbuf, "62;1\"", 5))
1706 ip->emul_level = EMUL_VT300_7;
1707 else
1708 ip->emul_level = EMUL_VT300_8;
1709 ip->escape = 0;
1710 return;
1711 case '?':
1712 *ip->ap = 0;
1713 ip->escape = '?';
1714 ip->ap = ip->argbuf;
1715 return;
1716 case 'c':
1717 *ip->ap = 0;
1718 if (ip->argbuf[0] == '>') {
1719 ite_sendstr("\033[>24;0;0;0c");
1720 } else
1721 switch (ite_zargnum(ip)) {
1722 case 0:
1723 /*
1724 * primary DA request, send
1725 * primary DA response
1726 */
1727 if (ip->emul_level
1728 == EMUL_VT100)
1729 ite_sendstr(
1730 "\033[?1;1c");
1731 else
1732 ite_sendstr(
1733 "\033[?63;1c");
1734 break;
1735 }
1736 ip->escape = 0;
1737 return;
1738 case 'n':
1739 switch (ite_zargnum(ip)) {
1740 case 5:
1741 /* no malfunction */
1742 ite_sendstr("\033[0n");
1743 break;
1744 case 6:
1745 /* cursor position report */
1746 sprintf(ip->argbuf, "\033[%d;%dR",
1747 ip->cury + 1, ip->curx + 1);
1748 ite_sendstr(ip->argbuf);
1749 break;
1750 }
1751 ip->escape = 0;
1752 return;
1753 case 'x':
1754 switch (ite_zargnum(ip)) {
1755 case 0:
1756 /* Fake some terminal parameters. */
1757 ite_sendstr("\033[2;1;1;112;112;1;0x");
1758 break;
1759 case 1:
1760 ite_sendstr("\033[3;1;1;112;112;1;0x");
1761 break;
1762 }
1763 ip->escape = 0;
1764 return;
1765 case 'g':
1766 switch (ite_zargnum(ip)) {
1767 case 0:
1768 if (ip->curx < ip->cols)
1769 ip->tabs[ip->curx] = 0;
1770 break;
1771 case 3:
1772 for (n = 0; n < ip->cols; n++)
1773 ip->tabs[n] = 0;
1774 break;
1775 }
1776 ip->escape = 0;
1777 return;
1778 case 'h':
1779 case 'l':
1780 n = ite_zargnum(ip);
1781 switch (n) {
1782 case 4:
1783 /* insert/replace mode */
1784 ip->imode = (c == 'h');
1785 break;
1786 case 20:
1787 ip->linefeed_newline = (c == 'h');
1788 break;
1789 }
1790 ip->escape = 0;
1791 return;
1792 case 'M':
1793 ite_dnline(ip, ite_argnum(ip));
1794 ip->escape = 0;
1795 return;
1796 case 'L':
1797 ite_inline(ip, ite_argnum(ip));
1798 ip->escape = 0;
1799 return;
1800 case 'P':
1801 ite_dnchar(ip, ite_argnum(ip));
1802 ip->escape = 0;
1803 return;
1804 case '@':
1805 ite_inchar(ip, ite_argnum(ip));
1806 ip->escape = 0;
1807 return;
1808 case 'G':
1809 /*
1810 * this one was *not* in my vt320 manual but in
1811 * a vt320 termcap entry.. who is right? It's
1812 * supposed to set the horizontal cursor
1813 * position.
1814 */
1815 *ip->ap = 0;
1816 x = atoi(ip->argbuf);
1817 if (x)
1818 x--;
1819 ip->curx = min(x, ip->cols - 1);
1820 ip->escape = 0;
1821 SUBR_CURSOR(ip, MOVE_CURSOR);
1822 clr_attr(ip, ATTR_INV);
1823 return;
1824 case 'd':
1825 /*
1826 * same thing here, this one's for setting the
1827 * absolute vertical cursor position. Not
1828 * documented...
1829 */
1830 *ip->ap = 0;
1831 y = atoi(ip->argbuf);
1832 if (y)
1833 y--;
1834 if (ip->inside_margins)
1835 y += ip->top_margin;
1836 ip->cury = min(y, ip->rows - 1);
1837 ip->escape = 0;
1838 snap_cury(ip);
1839 SUBR_CURSOR(ip, MOVE_CURSOR);
1840 clr_attr(ip, ATTR_INV);
1841 return;
1842 case 'H':
1843 case 'f':
1844 *ip->ap = 0;
1845 y = atoi(ip->argbuf);
1846 x = 0;
1847 cp = index(ip->argbuf, ';');
1848 if (cp)
1849 x = atoi(cp + 1);
1850 if (x)
1851 x--;
1852 if (y)
1853 y--;
1854 if (ip->inside_margins)
1855 y += ip->top_margin;
1856 ip->cury = min(y, ip->rows - 1);
1857 ip->curx = min(x, ip->cols - 1);
1858 ip->escape = 0;
1859 snap_cury(ip);
1860 SUBR_CURSOR(ip, MOVE_CURSOR);
1861 clr_attr(ip, ATTR_INV);
1862 return;
1863 case 'A':
1864 n = ite_argnum(ip);
1865 n = ip->cury - (n ? n : 1);
1866 if (n < 0)
1867 n = 0;
1868 if (ip->inside_margins)
1869 n = max(ip->top_margin, n);
1870 else if (n == ip->top_margin - 1)
1871 /*
1872 * allow scrolling outside region, but
1873 * don't scroll out of active region
1874 * without explicit CUP
1875 */
1876 n = ip->top_margin;
1877 ip->cury = n;
1878 ip->escape = 0;
1879 SUBR_CURSOR(ip, MOVE_CURSOR);
1880 clr_attr(ip, ATTR_INV);
1881 return;
1882 case 'B':
1883 n = ite_argnum(ip);
1884 n = ip->cury + (n ? n : 1);
1885 n = min(ip->rows - 1, n);
1886 if (ip->inside_margins)
1887 n = min(ip->bottom_margin, n);
1888 else if (n == ip->bottom_margin + 1)
1889 /*
1890 * allow scrolling outside region, but
1891 * don't scroll out of active region
1892 * without explicit CUP
1893 */
1894 n = ip->bottom_margin;
1895 ip->cury = n;
1896 ip->escape = 0;
1897 SUBR_CURSOR(ip, MOVE_CURSOR);
1898 clr_attr(ip, ATTR_INV);
1899 return;
1900 case 'C':
1901 n = ite_argnum(ip);
1902 n = n ? n : 1;
1903 ip->curx = min(ip->curx + n, ip->cols - 1);
1904 ip->escape = 0;
1905 SUBR_CURSOR(ip, MOVE_CURSOR);
1906 clr_attr(ip, ATTR_INV);
1907 return;
1908 case 'D':
1909 n = ite_argnum(ip);
1910 n = n ? n : 1;
1911 n = ip->curx - n;
1912 ip->curx = n >= 0 ? n : 0;
1913 ip->escape = 0;
1914 SUBR_CURSOR(ip, MOVE_CURSOR);
1915 clr_attr(ip, ATTR_INV);
1916 return;
1917 case 'J':
1918 *ip->ap = 0;
1919 n = ite_zargnum(ip);
1920 if (n == 0)
1921 ite_clrtoeos(ip);
1922 else if (n == 1)
1923 ite_clrtobos(ip);
1924 else if (n == 2)
1925 ite_clrscreen(ip);
1926 ip->escape = 0;
1927 return;
1928 case 'K':
1929 n = ite_zargnum(ip);
1930 if (n == 0)
1931 ite_clrtoeol(ip);
1932 else if (n == 1)
1933 ite_clrtobol(ip);
1934 else if (n == 2)
1935 ite_clrline(ip);
1936 ip->escape = 0;
1937 return;
1938 case 'X':
1939 n = ite_argnum(ip) - 1;
1940 n = min(n, ip->cols - 1 - ip->curx);
1941 for (; n >= 0; n--) {
1942 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1943 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1944 }
1945 ip->escape = 0;
1946 return;
1947 case '}':
1948 case '`':
1949 /* status line control */
1950 ip->escape = 0;
1951 return;
1952 case 'r':
1953 *ip->ap = 0;
1954 x = atoi(ip->argbuf);
1955 x = x ? x : 1;
1956 y = ip->rows;
1957 cp = index(ip->argbuf, ';');
1958 if (cp) {
1959 y = atoi(cp + 1);
1960 y = y ? y : ip->rows;
1961 }
1962 if (y - x < 2) {
1963 /*
1964 * if illegal scrolling region, reset
1965 * to defaults
1966 */
1967 x = 1;
1968 y = ip->rows;
1969 }
1970 x--;
1971 y--;
1972 ip->top_margin = min(x, ip->rows - 1);
1973 ip->bottom_margin = min(y, ip->rows - 1);
1974 if (ip->inside_margins) {
1975 ip->cury = ip->top_margin;
1976 ip->curx = 0;
1977 SUBR_CURSOR(ip, MOVE_CURSOR);
1978 }
1979 ip->escape = 0;
1980 return;
1981 case 'm':
1982 /* big attribute setter/resetter */
1983 { char *cp;
1984 *ip->ap = 0;
1985 /* kludge to make CSIm work (== CSI0m) */
1986 if (ip->ap == ip->argbuf)
1987 ip->ap++;
1988 for (cp = ip->argbuf; cp < ip->ap;) {
1989 switch (*cp) {
1990 case 0:
1991 case '0':
1992 clr_attr(ip, ATTR_ALL);
1993 cp++;
1994 break;
1995
1996 case '1':
1997 set_attr(ip, ATTR_BOLD);
1998 cp++;
1999 break;
2000
2001 case '2':
2002 switch (cp[1]) {
2003 case '2':
2004 clr_attr(ip, ATTR_BOLD);
2005 cp += 2;
2006 break;
2007
2008 case '4':
2009 clr_attr(ip, ATTR_UL);
2010 cp += 2;
2011 break;
2012
2013 case '5':
2014 clr_attr(ip, ATTR_BLINK);
2015 cp += 2;
2016 break;
2017
2018 case '7':
2019 clr_attr(ip, ATTR_INV);
2020 cp += 2;
2021 break;
2022
2023 default:
2024 cp++;
2025 break;
2026 }
2027 break;
2028
2029 case '4':
2030 set_attr(ip, ATTR_UL);
2031 cp++;
2032 break;
2033
2034 case '5':
2035 set_attr(ip, ATTR_BLINK);
2036 cp++;
2037 break;
2038
2039 case '7':
2040 set_attr(ip, ATTR_INV);
2041 cp++;
2042 break;
2043
2044 default:
2045 cp++;
2046 break;
2047 }
2048 }
2049 ip->escape = 0;
2050 return; }
2051 case 'u':
2052 /* DECRQTSR */
2053 ite_sendstr("\033P\033\\");
2054 ip->escape = 0;
2055 return;
2056 default:
2057 ip->escape = 0;
2058 return;
2059 }
2060 break;
2061 case '?': /* CSI ? */
2062 switch (c) {
2063 case '0':
2064 case '1':
2065 case '2':
2066 case '3':
2067 case '4':
2068 case '5':
2069 case '6':
2070 case '7':
2071 case '8':
2072 case '9':
2073 case ';':
2074 case '\"':
2075 case '$':
2076 /*
2077 * Don't fill the last character;
2078 * it's needed.
2079 * XXX yeah, where ??
2080 */
2081 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2082 *ip->ap++ = c;
2083 return;
2084 case 'n':
2085 *ip->ap = 0;
2086 if (ip->ap == &ip->argbuf[2]) {
2087 if (!strncmp(ip->argbuf, "15", 2))
2088 /* printer status: no printer */
2089 ite_sendstr("\033[13n");
2090
2091 else if (!strncmp(ip->argbuf, "25", 2))
2092 /* udk status */
2093 ite_sendstr("\033[20n");
2094
2095 else if (!strncmp(ip->argbuf, "26", 2))
2096 /* keyboard dialect: US */
2097 ite_sendstr("\033[27;1n");
2098 }
2099 ip->escape = 0;
2100 return;
2101 case 'h':
2102 case 'l':
2103 n = ite_zargnum(ip);
2104 switch (n) {
2105 case 1:
2106 ip->cursor_appmode = (c == 'h');
2107 break;
2108 case 3:
2109 /* 132/80 columns (132 == 'h') */
2110 break;
2111 case 4: /* smooth scroll */
2112 break;
2113 case 5:
2114 /*
2115 * light background (=='h') /dark
2116 * background(=='l')
2117 */
2118 break;
2119 case 6: /* origin mode */
2120 ip->inside_margins = (c == 'h');
2121 ip->curx = 0;
2122 ip->cury = ip->inside_margins ?
2123 ip->top_margin : 0;
2124 SUBR_CURSOR(ip, MOVE_CURSOR);
2125 break;
2126 case 7: /* auto wraparound */
2127 ip->auto_wrap = (c == 'h');
2128 break;
2129 case 8: /* keyboard repeat */
2130 ip->key_repeat = (c == 'h');
2131 break;
2132 case 20: /* newline mode */
2133 ip->linefeed_newline = (c == 'h');
2134 break;
2135 case 25: /* cursor on/off */
2136 SUBR_CURSOR(ip, (c == 'h') ?
2137 DRAW_CURSOR : ERASE_CURSOR);
2138 break;
2139 }
2140 ip->escape = 0;
2141 return;
2142 default:
2143 ip->escape = 0;
2144 return;
2145 }
2146 break;
2147 default:
2148 ip->escape = 0;
2149 return;
2150 }
2151 }
2152 switch (c) {
2153 case VT: /* VT is treated like LF */
2154 case FF: /* so is FF */
2155 case LF:
2156 /*
2157 * cr->crlf distinction is done here, on output, not on input!
2158 */
2159 if (ip->linefeed_newline)
2160 ite_crlf(ip);
2161 else
2162 ite_lf(ip);
2163 break;
2164 case CR:
2165 ite_cr(ip);
2166 break;
2167 case BS:
2168 if (--ip->curx < 0)
2169 ip->curx = 0;
2170 else
2171 SUBR_CURSOR(ip, MOVE_CURSOR);
2172 break;
2173 case HT:
2174 for (n = ip->curx + 1; n < ip->cols; n++) {
2175 if (ip->tabs[n]) {
2176 ip->curx = n;
2177 SUBR_CURSOR(ip, MOVE_CURSOR);
2178 break;
2179 }
2180 }
2181 break;
2182 case BEL:
2183 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
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