ite.c revision 1.63 1 /* $NetBSD: ite.c,v 1.63 2002/10/02 04:55:51 thorpej 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 "opt_ddb.h"
51
52 #include <sys/cdefs.h>
53 __KERNEL_RCSID(0, "$NetBSD: ite.c,v 1.63 2002/10/02 04:55:51 thorpej Exp $");
54
55 #include <sys/param.h>
56 #include <sys/kernel.h>
57 #include <sys/device.h>
58 #include <sys/fcntl.h>
59 #include <sys/malloc.h>
60 #include <sys/ioctl.h>
61 #include <sys/tty.h>
62 #include <sys/termios.h>
63 #include <sys/systm.h>
64 #include <sys/callout.h>
65 #include <sys/proc.h>
66 #include <dev/cons.h>
67 #include <amiga/amiga/cc.h>
68 #include <amiga/amiga/color.h> /* DEBUG */
69 #include <amiga/amiga/custom.h> /* DEBUG */
70 #include <amiga/amiga/device.h>
71 #if defined(__m68k__)
72 #include <amiga/amiga/isr.h>
73 #endif
74 #include <amiga/dev/iteioctl.h>
75 #include <amiga/dev/itevar.h>
76 #include <amiga/dev/kbdmap.h>
77 #include <amiga/dev/grfioctl.h>
78 #include <amiga/dev/grfvar.h>
79
80 #include <machine/cpu.h> /* for is_draco() */
81
82 #include <sys/conf.h>
83
84 #include "grfcc.h"
85 #include "ite.h"
86
87 /*
88 * XXX go ask sys/kern/tty.c:ttselect()
89 */
90
91 #define ITEUNIT(dev) (minor(dev))
92
93 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
94 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
95 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
96 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
97 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
98 #define SUBR_SCROLL(ip,sy,sx,count,dir) \
99 (ip)->grf->g_itescroll(ip,sy,sx,count,dir)
100
101 u_int ite_confunits; /* configured units */
102
103 int start_repeat_timeo = 30; /* first repeat after x s/100 */
104 int next_repeat_timeo = 10; /* next repeat after x s/100 */
105
106 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
107
108 struct ite_softc con_itesoftc;
109 u_char cons_tabs[MAX_TABS];
110
111 struct ite_softc *kbd_ite;
112
113 /* audio bell stuff */
114 u_int bvolume = 10;
115 u_int bpitch = 660;
116 u_int bmsec = 75;
117
118 static char *bsamplep;
119 static char sample[20] = {
120 0,39,75,103,121,127,121,103,75,39,0,
121 -39,-75,-103,-121,-127,-121,-103,-75,-39
122 };
123
124 static char *index(const char *, char);
125 void iteputchar(int c, struct ite_softc *ip);
126 void ite_putstr(const char * s, int len, dev_t dev);
127 void iteattach(struct device *, struct device *, void *);
128 int itematch(struct device *, struct cfdata *, void *);
129 static void iteprecheckwrap(struct ite_softc *);
130 static void itecheckwrap(struct ite_softc *);
131 struct ite_softc *getitesp(dev_t);
132 void init_bell(void);
133 void ite_bell(void);
134 void itecnpollc(dev_t, int);
135 static void repeat_handler(void *);
136 inline static void ite_sendstr(char *);
137 static void alignment_display(struct ite_softc *);
138 inline static void snap_cury(struct ite_softc *);
139 inline static void ite_dnchar(struct ite_softc *, int);
140 inline static void ite_inchar(struct ite_softc *, int);
141 inline static void ite_clrtoeol(struct ite_softc *);
142 inline static void ite_clrtobol(struct ite_softc *);
143 inline static void ite_clrline(struct ite_softc *);
144 inline static void ite_clrtoeos(struct ite_softc *);
145 inline static void ite_clrtobos(struct ite_softc *);
146 inline static void ite_clrscreen(struct ite_softc *);
147 inline static void ite_dnline(struct ite_softc *, int);
148 inline static void ite_inline(struct ite_softc *, int);
149 inline static void ite_lf(struct ite_softc *);
150 inline static void ite_crlf(struct ite_softc *);
151 inline static void ite_cr(struct ite_softc *);
152 inline static void ite_rlf(struct ite_softc *);
153 inline static int atoi(const char *);
154 inline static int ite_argnum(struct ite_softc *);
155 inline static int ite_zargnum(struct ite_softc *);
156
157 CFATTACH_DECL(ite, sizeof(struct ite_softc),
158 itematch, iteattach, NULL, NULL);
159
160 extern struct cfdriver ite_cd;
161
162 dev_type_open(iteopen);
163 dev_type_close(iteclose);
164 dev_type_read(iteread);
165 dev_type_write(itewrite);
166 dev_type_ioctl(iteioctl);
167 dev_type_tty(itetty);
168 dev_type_poll(itepoll);
169
170 const struct cdevsw ite_cdevsw = {
171 iteopen, iteclose, iteread, itewrite, iteioctl,
172 nostop, itetty, itepoll, nommap, D_TTY
173 };
174
175 int
176 itematch(struct device *pdp, struct cfdata *cfp, void *auxp)
177 {
178 struct grf_softc *gp;
179 int maj;
180
181 gp = auxp;
182 /*
183 * all that our mask allows (more than enough no one
184 * has > 32 monitors for text consoles on one machine)
185 */
186 if (cfp->cf_unit >= sizeof(ite_confunits) * NBBY)
187 return(0);
188 /*
189 * XXX
190 * normally this would be done in attach, however
191 * during early init we do not have a device pointer
192 * and thus no unit number.
193 */
194 maj = cdevsw_lookup_major(&ite_cdevsw);
195 gp->g_itedev = makedev(maj, cfp->cf_unit);
196 return(1);
197 }
198
199 void
200 iteattach(struct device *pdp, struct device *dp, void *auxp)
201 {
202 struct grf_softc *gp;
203 struct ite_softc *ip;
204 int s;
205
206 gp = (struct grf_softc *)auxp;
207
208 /*
209 * mark unit as attached (XXX see itematch)
210 */
211 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
212
213 if (dp) {
214 ip = (struct ite_softc *)dp;
215
216 s = spltty();
217 if (con_itesoftc.grf != NULL &&
218 con_itesoftc.grf->g_unit == gp->g_unit) {
219 /*
220 * console reinit copy params over.
221 * and console always gets keyboard
222 */
223 bcopy(&con_itesoftc.grf, &ip->grf,
224 (char *)&ip[1] - (char *)&ip->grf);
225 con_itesoftc.grf = NULL;
226 kbd_ite = ip;
227 }
228 ip->grf = gp;
229 splx(s);
230
231 alloc_sicallback();
232 iteinit(gp->g_itedev);
233 printf(": rows %d cols %d", ip->rows, ip->cols);
234 printf(" repeat at (%d/100)s next at (%d/100)s",
235 start_repeat_timeo, next_repeat_timeo);
236
237 if (kbd_ite == NULL)
238 kbd_ite = ip;
239 if (kbd_ite == ip)
240 printf(" has keyboard");
241 printf("\n");
242 } else {
243 if (con_itesoftc.grf != NULL &&
244 con_itesoftc.grf->g_conpri > gp->g_conpri)
245 return;
246 con_itesoftc.grf = gp;
247 con_itesoftc.tabs = cons_tabs;
248 }
249 }
250
251 struct ite_softc *
252 getitesp(dev_t dev)
253 {
254 if (amiga_realconfig && con_itesoftc.grf == NULL)
255 return(ite_cd.cd_devs[ITEUNIT(dev)]);
256
257 if (con_itesoftc.grf == NULL)
258 panic("no ite_softc for console");
259 return(&con_itesoftc);
260 }
261
262 /*
263 * cons.c entry points into ite device.
264 */
265
266 /*
267 * Return a priority in consdev->cn_pri field highest wins. This function
268 * is called before any devices have been probed.
269 */
270 void
271 itecnprobe(struct consdev *cd)
272 {
273 /*
274 * bring graphics layer up.
275 */
276 config_console();
277
278 /*
279 * return priority of the best ite (already picked from attach)
280 * or CN_DEAD.
281 */
282 if (con_itesoftc.grf == NULL)
283 cd->cn_pri = CN_DEAD;
284 else {
285 cd->cn_pri = con_itesoftc.grf->g_conpri;
286 cd->cn_dev = con_itesoftc.grf->g_itedev;
287 }
288 }
289
290 /* audio bell stuff */
291 void
292 init_bell(void)
293 {
294 if (bsamplep != NULL)
295 return;
296 bsamplep = alloc_chipmem(20);
297 if (bsamplep == NULL)
298 panic("no chipmem for ite_bell");
299
300 bcopy(sample, bsamplep, 20);
301 }
302
303 void
304 ite_bell(void)
305 {
306 u_int clock;
307 u_int period;
308 u_int count;
309
310 clock = 3579545; /* PAL 3546895 */
311
312 /*
313 * the number of clock ticks per sample byte must be > 124
314 * ergo bpitch must be < clock / 124*20
315 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously
316 */
317 period = clock / (bpitch * 20);
318 count = bmsec * bpitch / 1000;
319
320 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count);
321 }
322
323 void
324 itecninit(struct consdev *cd)
325 {
326 struct ite_softc *ip;
327
328 ip = getitesp(cd->cn_dev);
329 iteinit(cd->cn_dev);
330 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
331
332 #ifdef DRACO
333 if (!is_draco())
334 #endif
335 init_bell();
336 }
337
338 /*
339 * ite_cnfinish() is called in ite_init() when the device is
340 * being probed in the normal fasion, thus we can finish setting
341 * up this ite now that the system is more functional.
342 */
343 void
344 ite_cnfinish(struct ite_softc *ip)
345 {
346 static int done;
347
348 if (done)
349 return;
350 done = 1;
351 }
352
353 int
354 itecngetc(dev_t dev)
355 {
356 int c;
357
358 /* XXX this should be moved */
359 kbdenable();
360 do {
361 c = kbdgetcn();
362 c = ite_cnfilter(c, ITEFILT_CONSOLE);
363 } while (c == -1);
364 return (c);
365 }
366
367 void
368 itecnputc(dev_t dev, int c)
369 {
370 static int paniced;
371 struct ite_softc *ip;
372 char ch;
373
374 ip = getitesp(dev);
375 ch = c;
376
377 if (panicstr && !paniced &&
378 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
379 (void)ite_on(dev, 3);
380 paniced = 1;
381 }
382 iteputchar(ch, ip);
383 }
384
385 void
386 itecnpollc(dev_t dev, int on)
387 {
388 }
389
390 /*
391 * standard entry points to the device.
392 */
393
394 /*
395 * iteinit() is the standard entry point for initialization of
396 * an ite device, it is also called from ite_cninit().
397 *
398 */
399 void
400 iteinit(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_t dev, int mode, int devtype, struct proc *p)
425 {
426 struct ite_softc *ip;
427 struct tty *tp;
428 int error, first, unit;
429
430 unit = ITEUNIT(dev);
431 first = 0;
432
433 if (((1 << unit) & ite_confunits) == 0)
434 return (ENXIO);
435
436 ip = getitesp(dev);
437
438 if (ip->tp == NULL) {
439 tp = ip->tp = ttymalloc();
440 tty_attach(tp);
441 } else
442 tp = ip->tp;
443 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
444 && p->p_ucred->cr_uid != 0)
445 return (EBUSY);
446 if ((ip->flags & ITE_ACTIVE) == 0) {
447 error = ite_on(dev, 0);
448 if (error)
449 return (error);
450 first = 1;
451 }
452 tp->t_oproc = itestart;
453 tp->t_param = ite_param;
454 tp->t_dev = dev;
455 if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) {
456 ttychars(tp);
457 tp->t_iflag = TTYDEF_IFLAG;
458 tp->t_oflag = TTYDEF_OFLAG;
459 tp->t_cflag = TTYDEF_CFLAG;
460 tp->t_lflag = TTYDEF_LFLAG;
461 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
462 tp->t_state = TS_CARR_ON;
463 ttsetwater(tp);
464 }
465 error = ttyopen(tp, 0, mode & O_NONBLOCK);
466 if (error)
467 goto bad;
468
469 error = tp->t_linesw->l_open(dev, tp);
470 if (error)
471 goto bad;
472
473 tp->t_winsize.ws_row = ip->rows;
474 tp->t_winsize.ws_col = ip->cols;
475 kbdenable();
476 return (0);
477 bad:
478 if (first)
479 ite_off(dev, 0);
480 return (error);
481 }
482
483 int
484 iteclose(dev_t dev, int flag, int mode, struct proc *p)
485 {
486 struct tty *tp;
487
488 tp = getitesp(dev)->tp;
489
490 KDASSERT(tp);
491 tp->t_linesw->l_close(tp, flag);
492 ttyclose(tp);
493 ite_off(dev, 0);
494 return (0);
495 }
496
497 int
498 iteread(dev_t dev, struct uio *uio, int flag)
499 {
500 struct tty *tp;
501
502 tp = getitesp(dev)->tp;
503
504 KDASSERT(tp);
505 return tp->t_linesw->l_read(tp, uio, flag);
506 }
507
508 int
509 itewrite(dev_t dev, struct uio *uio, int flag)
510 {
511 struct tty *tp;
512
513 tp = getitesp(dev)->tp;
514
515 KDASSERT(tp);
516 return tp->t_linesw->l_write(tp, uio, flag);
517 }
518
519 int
520 itepoll(dev_t dev, int events, struct proc *p)
521 {
522 struct tty *tp;
523
524 tp = getitesp(dev)->tp;
525
526 KDASSERT(tp);
527 return ((*tp->t_linesw->l_poll)(tp, events, p));
528 }
529
530 struct tty *
531 itetty(dev_t dev)
532 {
533 return (getitesp(dev)->tp);
534 }
535
536 int
537 iteioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
538 {
539 struct iterepeat *irp;
540 struct ite_softc *ip;
541 struct itebell *ib;
542 struct tty *tp;
543 int error;
544
545 ip = getitesp(dev);
546 tp = ip->tp;
547
548 KDASSERT(tp);
549
550 error = tp->t_linesw->l_ioctl(tp, cmd, addr, flag, p);
551 if (error != EPASSTHROUGH)
552 return (error);
553 error = ttioctl(tp, cmd, addr, flag, p);
554 if (error != EPASSTHROUGH)
555 return (error);
556
557 switch (cmd) {
558 case ITEIOCGBELL:
559 ib = (struct itebell *)addr;
560 ib->volume = bvolume;
561 ib->pitch = bpitch;
562 ib->msec = bmsec;
563 return (0);
564 case ITEIOCSBELL:
565 ib = (struct itebell *)addr;
566
567 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH ||
568 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME)
569 return (EINVAL);
570 bvolume = ib->volume;
571 bpitch = ib->pitch;
572 bmsec = ib->msec;
573 return (0);
574 case ITEIOCSKMAP:
575 if (addr == 0)
576 return(EFAULT);
577 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
578 return(0);
579 case ITEIOCGKMAP:
580 if (addr == NULL)
581 return(EFAULT);
582 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
583 return(0);
584 case ITEIOCGREPT:
585 irp = (struct iterepeat *)addr;
586 irp->start = start_repeat_timeo;
587 irp->next = next_repeat_timeo;
588 return (0);
589 case ITEIOCSREPT:
590 irp = (struct iterepeat *)addr;
591 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
592 return(EINVAL);
593 start_repeat_timeo = irp->start;
594 next_repeat_timeo = irp->next;
595 return(0);
596 }
597 #if NGRFCC > 0
598 /* XXX */
599 if (minor(dev) == 0) {
600 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
601 if (error >= 0)
602 return (error);
603 }
604 #endif
605 return (EPASSTHROUGH);
606 }
607
608 void
609 itestart(struct tty *tp)
610 {
611 struct clist *rbp;
612 struct ite_softc *ip;
613 u_char buf[ITEBURST];
614 int s, len;
615
616 ip = getitesp(tp->t_dev);
617
618 KDASSERT(tp);
619
620 s = spltty(); {
621 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
622 goto out;
623
624 tp->t_state |= TS_BUSY;
625 rbp = &tp->t_outq;
626
627 len = q_to_b(rbp, buf, ITEBURST);
628 } splx(s);
629
630 /* Here is a really good place to implement pre/jumpscroll() */
631 ite_putstr(buf, len, tp->t_dev);
632
633 s = spltty(); {
634 tp->t_state &= ~TS_BUSY;
635 /* we have characters remaining. */
636 if (rbp->c_cc) {
637 tp->t_state |= TS_TIMEOUT;
638 callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp);
639 }
640 /* wakeup we are below */
641 if (rbp->c_cc <= tp->t_lowat) {
642 if (tp->t_state & TS_ASLEEP) {
643 tp->t_state &= ~TS_ASLEEP;
644 wakeup((caddr_t) rbp);
645 }
646 selwakeup(&tp->t_wsel);
647 }
648 }
649 out:
650 splx(s);
651 }
652
653 int
654 ite_on(dev_t dev, int flag)
655 {
656 struct ite_softc *ip;
657 int unit;
658
659 unit = ITEUNIT(dev);
660 if (((1 << unit) & ite_confunits) == 0)
661 return (ENXIO);
662
663 ip = getitesp(dev);
664
665 /* force ite active, overriding graphics mode */
666 if (flag & 1) {
667 ip->flags |= ITE_ACTIVE;
668 ip->flags &= ~(ITE_INGRF | ITE_INITED);
669 }
670 /* leave graphics mode */
671 if (flag & 2) {
672 ip->flags &= ~ITE_INGRF;
673 if ((ip->flags & ITE_ACTIVE) == 0)
674 return (0);
675 }
676 ip->flags |= ITE_ACTIVE;
677 if (ip->flags & ITE_INGRF)
678 return (0);
679 iteinit(dev);
680 return (0);
681 }
682
683 void
684 ite_off(dev_t dev, int flag)
685 {
686 struct ite_softc *ip;
687
688 ip = getitesp(dev);
689 if (flag & 2)
690 ip->flags |= ITE_INGRF;
691 if ((ip->flags & ITE_ACTIVE) == 0)
692 return;
693 if ((flag & 1) ||
694 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
695 SUBR_DEINIT(ip);
696 /* XXX hmm grfon() I think wants this to go inactive. */
697 if ((flag & 2) == 0)
698 ip->flags &= ~ITE_ACTIVE;
699 }
700
701 /* XXX called after changes made in underlying grf layer. */
702 /* I want to nuke this */
703 void
704 ite_reinit(dev_t dev)
705 {
706 struct ite_softc *ip;
707
708 ip = getitesp(dev);
709 ip->flags &= ~ITE_INITED;
710 iteinit(dev);
711 }
712
713 int
714 ite_param(struct tty *tp, struct termios *t)
715 {
716 tp->t_ispeed = t->c_ispeed;
717 tp->t_ospeed = t->c_ospeed;
718 tp->t_cflag = t->c_cflag;
719 return (0);
720 }
721
722 void
723 ite_reset(struct ite_softc *ip)
724 {
725 int i;
726
727 ip->curx = 0;
728 ip->cury = 0;
729 ip->attribute = ATTR_NOR;
730 ip->save_curx = 0;
731 ip->save_cury = 0;
732 ip->save_attribute = ATTR_NOR;
733 ip->ap = ip->argbuf;
734 ip->emul_level = 0;
735 ip->eightbit_C1 = 0;
736 ip->top_margin = 0;
737 ip->bottom_margin = ip->rows - 1;
738 ip->inside_margins = 0;
739 ip->linefeed_newline = 0;
740 ip->auto_wrap = ite_default_wrap;
741 ip->cursor_appmode = 0;
742 ip->keypad_appmode = 0;
743 ip->imode = 0;
744 ip->key_repeat = 1;
745 bzero(ip->tabs, ip->cols);
746 for (i = 0; i < ip->cols; i++)
747 ip->tabs[i] = ((i & 7) == 0);
748 }
749
750 /*
751 * has to be global becuase of the shared filters.
752 */
753 static u_char key_mod;
754 static u_char last_dead;
755
756 /* Used in console at startup only */
757 int
758 ite_cnfilter(u_char c, enum caller caller)
759 {
760 struct key key;
761 u_char code, up, mask;
762 int s, i;
763
764 up = c & 0x80 ? 1 : 0;
765 c &= 0x7f;
766 code = 0;
767
768 s = spltty();
769
770 i = (int)c - KBD_LEFT_SHIFT;
771 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
772 mask = 1 << i;
773 if (up)
774 key_mod &= ~mask;
775 else
776 key_mod |= mask;
777 splx(s);
778 return -1;
779 }
780
781 if (up) {
782 splx(s);
783 return -1;
784 }
785
786 /* translate modifiers */
787 if (key_mod & KBD_MOD_SHIFT) {
788 if (key_mod & KBD_MOD_ALT)
789 key = kbdmap.alt_shift_keys[c];
790 else
791 key = kbdmap.shift_keys[c];
792 } else if (key_mod & KBD_MOD_ALT)
793 key = kbdmap.alt_keys[c];
794 else {
795 key = kbdmap.keys[c];
796 /* if CAPS and key is CAPable (no pun intended) */
797 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
798 key = kbdmap.shift_keys[c];
799 }
800 code = key.code;
801
802 /* if string return */
803 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
804 splx(s);
805 return -1;
806 }
807 /* handle dead keys */
808 if (key.mode & KBD_MODE_DEAD) {
809 /* if entered twice, send accent itself */
810 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
811 last_dead = 0;
812 else {
813 last_dead = key.mode & KBD_MODE_ACCMASK;
814 splx(s);
815 return -1;
816 }
817 }
818 if (last_dead) {
819 /* can't apply dead flag to string-keys */
820 if (code >= '@' && code < 0x7f)
821 code =
822 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
823 last_dead = 0;
824 }
825 if (key_mod & KBD_MOD_CTRL)
826 code &= 0x1f;
827 if (key_mod & KBD_MOD_META)
828 code |= 0x80;
829
830 /* do console mapping. */
831 code = code == '\r' ? '\n' : code;
832
833 splx(s);
834 return (code);
835 }
836
837 /* And now the old stuff. */
838
839 /* these are used to implement repeating keys.. */
840 static u_char last_char;
841 static u_char tout_pending;
842
843 static struct callout repeat_ch = CALLOUT_INITIALIZER;
844
845 /*ARGSUSED*/
846 static void
847 repeat_handler(void *arg)
848 {
849 tout_pending = 0;
850 if (last_char)
851 ite_filter(last_char, ITEFILT_REPEATER);
852 }
853
854 void
855 ite_filter(u_char c, enum caller caller)
856 {
857 struct tty *kbd_tty;
858 u_char code, *str, up, mask;
859 struct key key;
860 int s, i;
861
862 if (kbd_ite == NULL || kbd_ite->tp == NULL)
863 return;
864
865 kbd_tty = kbd_ite->tp;
866
867 /* have to make sure we're at spltty in here */
868 s = spltty();
869
870 /*
871 * keyboard interrupts come at priority 2, while softint
872 * generated keyboard-repeat interrupts come at level 1. So,
873 * to not allow a key-up event to get thru before a repeat for
874 * the key-down, we remove any outstanding callout requests..
875 rem_sicallback(ite_sifilter);
876 */
877
878 up = c & 0x80 ? 1 : 0;
879 c &= 0x7f;
880 code = 0;
881
882 i = (int)c - KBD_LEFT_SHIFT;
883 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
884 mask = 1 << i;
885 if (up)
886 key_mod &= ~mask;
887 else
888 key_mod |= mask;
889 splx(s);
890 return;
891 }
892 /* stop repeating on up event */
893 if (up) {
894 if (tout_pending) {
895 callout_stop(&repeat_ch);
896 tout_pending = 0;
897 last_char = 0;
898 }
899 splx(s);
900 return;
901 } else if (tout_pending && last_char != c) {
902 /* different character, stop also */
903 callout_stop(&repeat_ch);
904 tout_pending = 0;
905 last_char = 0;
906 }
907 /* Safety button, switch back to ascii keymap. */
908 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
909 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
910
911 splx(s);
912 return;
913 #ifdef DDB
914 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
915 Debugger();
916 splx(s);
917 return;
918 #endif
919 }
920 /* translate modifiers */
921 if (key_mod & KBD_MOD_SHIFT) {
922 if (key_mod & KBD_MOD_ALT)
923 key = kbdmap.alt_shift_keys[c];
924 else
925 key = kbdmap.shift_keys[c];
926 } else if (key_mod & KBD_MOD_ALT)
927 key = kbdmap.alt_keys[c];
928 else {
929 key = kbdmap.keys[c];
930 /* if CAPS and key is CAPable (no pun intended) */
931 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
932 key = kbdmap.shift_keys[c];
933 }
934 code = key.code;
935
936 /*
937 * arrange to repeat the keystroke. By doing this at the level
938 * of scan-codes, we can have function keys, and keys that
939 * send strings, repeat too. This also entitles an additional
940 * overhead, since we have to do the conversion each time, but
941 * I guess that's ok.
942 */
943 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
944 tout_pending = 1;
945 last_char = c;
946 callout_reset(&repeat_ch,
947 start_repeat_timeo * hz / 100, repeat_handler, NULL);
948 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
949 kbd_ite->key_repeat) {
950 tout_pending = 1;
951 last_char = c;
952 callout_reset(&repeat_ch,
953 next_repeat_timeo * hz / 100, repeat_handler, NULL);
954 }
955 /* handle dead keys */
956 if (key.mode & KBD_MODE_DEAD) {
957 /* if entered twice, send accent itself */
958 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
959 last_dead = 0;
960 else {
961 last_dead = key.mode & KBD_MODE_ACCMASK;
962 splx(s);
963 return;
964 }
965 }
966 if (last_dead) {
967 /* can't apply dead flag to string-keys */
968 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
969 code < 0x7f)
970 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
971 last_dead = 0;
972 }
973 /* if not string, apply META and CTRL modifiers */
974 if (!(key.mode & KBD_MODE_STRING)
975 && (!(key.mode & KBD_MODE_KPAD) ||
976 (kbd_ite && !kbd_ite->keypad_appmode))) {
977 if (key_mod & KBD_MOD_CTRL)
978 code &= 0x1f;
979 if (key_mod & KBD_MOD_META)
980 code |= 0x80;
981 } else if ((key.mode & KBD_MODE_KPAD) &&
982 (kbd_ite && kbd_ite->keypad_appmode)) {
983 static char in[] = {
984 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */,
985 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */,
986 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */,
987 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */,
988 0x5c /* / */, 0x5d /* * */
989 };
990 static char *out = "pqrstuvwxymlnMPQRS";
991 char *cp = index (in, c);
992
993 /*
994 * keypad-appmode sends SS3 followed by the above
995 * translated character
996 */
997 kbd_tty->t_linesw->l_rint(27, kbd_tty);
998 kbd_tty->t_linesw->l_rint('O', kbd_tty);
999 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
1000 splx(s);
1001 return;
1002 } else {
1003 /* *NO* I don't like this.... */
1004 static u_char app_cursor[] =
1005 {
1006 3, 27, 'O', 'A',
1007 3, 27, 'O', 'B',
1008 3, 27, 'O', 'C',
1009 3, 27, 'O', 'D'};
1010
1011 str = kbdmap.strings + code;
1012 /*
1013 * if this is a cursor key, AND it has the default
1014 * keymap setting, AND we're in app-cursor mode, switch
1015 * to the above table. This is *nasty* !
1016 */
1017 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
1018 && !bcmp(str, "\x03\x1b[", 3) &&
1019 index("ABCD", str[3]))
1020 str = app_cursor + 4 * (str[3] - 'A');
1021
1022 /*
1023 * using a length-byte instead of 0-termination allows
1024 * to embed \0 into strings, although this is not used
1025 * in the default keymap
1026 */
1027 for (i = *str++; i; i--)
1028 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1029 splx(s);
1030 return;
1031 }
1032 kbd_tty->t_linesw->l_rint(code, kbd_tty);
1033
1034 splx(s);
1035 return;
1036 }
1037
1038 /* helper functions, makes the code below more readable */
1039 inline static void
1040 ite_sendstr(char *str)
1041 {
1042 struct tty *kbd_tty;
1043
1044 kbd_tty = kbd_ite->tp;
1045 KDASSERT(kbd_tty);
1046 while (*str)
1047 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1048 }
1049
1050 static void
1051 alignment_display(struct ite_softc *ip)
1052 {
1053 int i, j;
1054
1055 for (j = 0; j < ip->rows; j++)
1056 for (i = 0; i < ip->cols; i++)
1057 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1058 attrclr(ip, 0, 0, ip->rows, ip->cols);
1059 SUBR_CURSOR(ip, DRAW_CURSOR);
1060 }
1061
1062 inline static void
1063 snap_cury(struct ite_softc *ip)
1064 {
1065 if (ip->inside_margins)
1066 {
1067 if (ip->cury < ip->top_margin)
1068 ip->cury = ip->top_margin;
1069 if (ip->cury > ip->bottom_margin)
1070 ip->cury = ip->bottom_margin;
1071 }
1072 }
1073
1074 inline static void
1075 ite_dnchar(struct ite_softc *ip, int n)
1076 {
1077 n = min(n, ip->cols - ip->curx);
1078 if (n < ip->cols - ip->curx)
1079 {
1080 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1081 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1082 1, ip->cols - ip->curx - n);
1083 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1084 }
1085 while (n-- > 0)
1086 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1087 SUBR_CURSOR(ip, DRAW_CURSOR);
1088 }
1089
1090 inline static void
1091 ite_inchar(struct ite_softc *ip, int n)
1092 {
1093 n = min(n, ip->cols - ip->curx);
1094 if (n < ip->cols - ip->curx)
1095 {
1096 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1097 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1098 1, ip->cols - ip->curx - n);
1099 attrclr(ip, ip->cury, ip->curx, 1, n);
1100 }
1101 while (n--)
1102 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1103 SUBR_CURSOR(ip, DRAW_CURSOR);
1104 }
1105
1106 inline static void
1107 ite_clrtoeol(struct ite_softc *ip)
1108 {
1109 int y = ip->cury, x = ip->curx;
1110 if (ip->cols - x > 0)
1111 {
1112 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1113 attrclr(ip, y, x, 1, ip->cols - x);
1114 SUBR_CURSOR(ip, DRAW_CURSOR);
1115 }
1116 }
1117
1118 inline static void
1119 ite_clrtobol(struct ite_softc *ip)
1120 {
1121 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1122 SUBR_CLEAR(ip, y, 0, 1, x);
1123 attrclr(ip, y, 0, 1, x);
1124 SUBR_CURSOR(ip, DRAW_CURSOR);
1125 }
1126
1127 inline static void
1128 ite_clrline(struct ite_softc *ip)
1129 {
1130 int y = ip->cury;
1131 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1132 attrclr(ip, y, 0, 1, ip->cols);
1133 SUBR_CURSOR(ip, DRAW_CURSOR);
1134 }
1135
1136
1137
1138 inline static void
1139 ite_clrtoeos(struct ite_softc *ip)
1140 {
1141 ite_clrtoeol(ip);
1142 if (ip->cury < ip->rows - 1)
1143 {
1144 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1145 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1146 SUBR_CURSOR(ip, DRAW_CURSOR);
1147 }
1148 }
1149
1150 inline static void
1151 ite_clrtobos(struct ite_softc *ip)
1152 {
1153 ite_clrtobol(ip);
1154 if (ip->cury > 0)
1155 {
1156 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1157 attrclr(ip, 0, 0, ip->cury, ip->cols);
1158 SUBR_CURSOR(ip, DRAW_CURSOR);
1159 }
1160 }
1161
1162 inline static void
1163 ite_clrscreen(struct ite_softc *ip)
1164 {
1165 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1166 attrclr(ip, 0, 0, ip->rows, ip->cols);
1167 SUBR_CURSOR(ip, DRAW_CURSOR);
1168 }
1169
1170
1171
1172 inline static void
1173 ite_dnline(struct ite_softc *ip, int n)
1174 {
1175 /* interesting.. if the cursor is outside the scrolling
1176 region, this command is simply ignored.. */
1177 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1178 return;
1179
1180 n = min(n, ip->bottom_margin + 1 - ip->cury);
1181 if (n <= ip->bottom_margin - ip->cury)
1182 {
1183 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1184 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1185 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1186 }
1187 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1188 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1189 SUBR_CURSOR(ip, DRAW_CURSOR);
1190 }
1191
1192 inline static void
1193 ite_inline(struct ite_softc *ip, int n)
1194 {
1195 /* interesting.. if the cursor is outside the scrolling
1196 region, this command is simply ignored.. */
1197 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1198 return;
1199
1200 n = min(n, ip->bottom_margin + 1 - ip->cury);
1201 if (n <= ip->bottom_margin - ip->cury)
1202 {
1203 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1204 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1205 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1206 }
1207 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1208 attrclr(ip, ip->cury, 0, n, ip->cols);
1209 SUBR_CURSOR(ip, DRAW_CURSOR);
1210 }
1211
1212 inline static void
1213 ite_lf(struct ite_softc *ip)
1214 {
1215 ++ip->cury;
1216 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1217 {
1218 ip->cury--;
1219 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1220 ite_clrline(ip);
1221 }
1222 SUBR_CURSOR(ip, MOVE_CURSOR);
1223 clr_attr(ip, ATTR_INV);
1224 }
1225
1226 inline static void
1227 ite_crlf(struct ite_softc *ip)
1228 {
1229 ip->curx = 0;
1230 ite_lf (ip);
1231 }
1232
1233 inline static void
1234 ite_cr(struct ite_softc *ip)
1235 {
1236 if (ip->curx)
1237 {
1238 ip->curx = 0;
1239 SUBR_CURSOR(ip, MOVE_CURSOR);
1240 }
1241 }
1242
1243 inline static void
1244 ite_rlf(struct ite_softc *ip)
1245 {
1246 ip->cury--;
1247 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1248 {
1249 ip->cury++;
1250 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1251 ite_clrline(ip);
1252 }
1253 SUBR_CURSOR(ip, MOVE_CURSOR);
1254 clr_attr(ip, ATTR_INV);
1255 }
1256
1257 inline static int
1258 atoi(const char *cp)
1259 {
1260 int n;
1261
1262 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1263 n = n * 10 + *cp - '0';
1264
1265 return n;
1266 }
1267
1268 static char *
1269 index(const char *cp, char ch)
1270 {
1271 while (*cp && *cp != ch) cp++;
1272 return *cp ? (char *) cp : 0;
1273 }
1274
1275
1276
1277 inline static int
1278 ite_argnum(struct ite_softc *ip)
1279 {
1280 char ch;
1281 int n;
1282
1283 /* convert argument string into number */
1284 if (ip->ap == ip->argbuf)
1285 return 1;
1286 ch = *ip->ap;
1287 *ip->ap = 0;
1288 n = atoi (ip->argbuf);
1289 *ip->ap = ch;
1290
1291 return n;
1292 }
1293
1294 inline static int
1295 ite_zargnum(struct ite_softc *ip)
1296 {
1297 char ch;
1298 int n;
1299
1300 /* convert argument string into number */
1301 if (ip->ap == ip->argbuf)
1302 return 0;
1303 ch = *ip->ap;
1304 *ip->ap = 0;
1305 n = atoi (ip->argbuf);
1306 *ip->ap = ch;
1307
1308 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1309 }
1310
1311 void
1312 ite_putstr(const char *s, int len, dev_t dev)
1313 {
1314 struct ite_softc *ip;
1315 int i;
1316
1317 ip = getitesp(dev);
1318
1319 /* XXX avoid problems */
1320 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1321 return;
1322
1323 SUBR_CURSOR(ip, START_CURSOROPT);
1324 for (i = 0; i < len; i++)
1325 if (s[i])
1326 iteputchar(s[i], ip);
1327 SUBR_CURSOR(ip, END_CURSOROPT);
1328 }
1329
1330 static void
1331 iteprecheckwrap(struct ite_softc *ip)
1332 {
1333 if (ip->auto_wrap && ip->curx == ip->cols) {
1334 ip->curx = 0;
1335 clr_attr(ip, ATTR_INV);
1336 if (++ip->cury >= ip->bottom_margin + 1) {
1337 ip->cury = ip->bottom_margin;
1338 SUBR_CURSOR(ip, MOVE_CURSOR);
1339 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1340 ite_clrtoeol(ip);
1341 } else
1342 SUBR_CURSOR(ip, MOVE_CURSOR);
1343 }
1344 }
1345
1346 static void
1347 itecheckwrap(struct ite_softc *ip)
1348 {
1349 #if 0
1350 if (++ip->curx == ip->cols) {
1351 if (ip->auto_wrap) {
1352 ip->curx = 0;
1353 clr_attr(ip, ATTR_INV);
1354 if (++ip->cury >= ip->bottom_margin + 1) {
1355 ip->cury = ip->bottom_margin;
1356 SUBR_CURSOR(ip, MOVE_CURSOR);
1357 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1358 ite_clrtoeol(ip);
1359 return;
1360 }
1361 } else
1362 /* stay there if no autowrap.. */
1363 ip->curx--;
1364 }
1365 #else
1366 if (ip->curx < ip->cols) {
1367 ip->curx++;
1368 SUBR_CURSOR(ip, MOVE_CURSOR);
1369 }
1370 #endif
1371 }
1372
1373 void
1374 iteputchar(register int c, struct ite_softc *ip)
1375 {
1376 struct tty *kbd_tty;
1377 int n, x, y;
1378 char *cp;
1379
1380 if (kbd_ite == NULL)
1381 kbd_tty = NULL;
1382 else
1383 kbd_tty = kbd_ite->tp;
1384
1385 if (ip->escape) {
1386 switch (ip->escape) {
1387 case ESC:
1388 switch (c) {
1389 /*
1390 * first 7bit equivalents for the
1391 * 8bit control characters
1392 */
1393 case 'D':
1394 c = IND;
1395 ip->escape = 0;
1396 break;
1397 /*
1398 * and fall into the next
1399 * switch below (same for all `break')
1400 */
1401 case 'E':
1402 c = NEL;
1403 ip->escape = 0;
1404 break;
1405 case 'H':
1406 c = HTS;
1407 ip->escape = 0;
1408 break;
1409 case 'M':
1410 c = RI;
1411 ip->escape = 0;
1412 break;
1413 case 'N':
1414 c = SS2;
1415 ip->escape = 0;
1416 break;
1417 case 'O':
1418 c = SS3;
1419 ip->escape = 0;
1420 break;
1421 case 'P':
1422 c = DCS;
1423 ip->escape = 0;
1424 break;
1425 case '[':
1426 c = CSI;
1427 ip->escape = 0;
1428 break;
1429 case '\\':
1430 c = ST;
1431 ip->escape = 0;
1432 break;
1433 case ']':
1434 c = OSC;
1435 ip->escape = 0;
1436 break;
1437 case '^':
1438 c = PM;
1439 ip->escape = 0;
1440 break;
1441 case '_':
1442 c = APC;
1443 ip->escape = 0;
1444 break;
1445 /* introduces 7/8bit control */
1446 case ' ':
1447 /* can be followed by either F or G */
1448 ip->escape = ' ';
1449 break;
1450 /*
1451 * a lot of character set selections, not yet
1452 * used... 94-character sets:
1453 */
1454 case '(': /* G0 */
1455 case ')': /* G1 */
1456 ip->escape = c;
1457 return;
1458 case '*': /* G2 */
1459 case '+': /* G3 */
1460 case 'B': /* ASCII */
1461 case 'A': /* ISO latin 1 */
1462 case '<': /* user preferred suplemental */
1463 case '0': /* dec special graphics */
1464 /*
1465 * 96-character sets:
1466 */
1467 case '-': /* G1 */
1468 case '.': /* G2 */
1469 case '/': /* G3 */
1470 /*
1471 * national character sets:
1472 */
1473 case '4': /* dutch */
1474 case '5':
1475 case 'C': /* finnish */
1476 case 'R': /* french */
1477 case 'Q': /* french canadian */
1478 case 'K': /* german */
1479 case 'Y': /* italian */
1480 case '6': /* norwegian/danish */
1481 /*
1482 * note: %5 and %6 are not supported (two
1483 * chars..)
1484 */
1485 ip->escape = 0;
1486 /* just ignore for now */
1487 return;
1488 /*
1489 * locking shift modes (as you might guess, not
1490 * yet supported..)
1491 */
1492 case '`':
1493 ip->GR = ip->G1;
1494 ip->escape = 0;
1495 return;
1496 case 'n':
1497 ip->GL = ip->G2;
1498 ip->escape = 0;
1499 return;
1500 case '}':
1501 ip->GR = ip->G2;
1502 ip->escape = 0;
1503 return;
1504 case 'o':
1505 ip->GL = ip->G3;
1506 ip->escape = 0;
1507 return;
1508 case '|':
1509 ip->GR = ip->G3;
1510 ip->escape = 0;
1511 return;
1512 case '#':
1513 /* font width/height control */
1514 ip->escape = '#';
1515 return;
1516 case 'c':
1517 /* hard terminal reset .. */
1518 ite_reset(ip);
1519 SUBR_CURSOR(ip, MOVE_CURSOR);
1520 ip->escape = 0;
1521 return;
1522 case '7':
1523 ip->save_curx = ip->curx;
1524 ip->save_cury = ip->cury;
1525 ip->save_attribute = ip->attribute;
1526 ip->escape = 0;
1527 return;
1528 case '8':
1529 ip->curx = ip->save_curx;
1530 ip->cury = ip->save_cury;
1531 ip->attribute = ip->save_attribute;
1532 SUBR_CURSOR(ip, MOVE_CURSOR);
1533 ip->escape = 0;
1534 return;
1535 case '=':
1536 ip->keypad_appmode = 1;
1537 ip->escape = 0;
1538 return;
1539 case '>':
1540 ip->keypad_appmode = 0;
1541 ip->escape = 0;
1542 return;
1543 case 'Z': /* request ID */
1544 /* XXX not clean */
1545 if (ip->emul_level == EMUL_VT100)
1546 ite_sendstr("\033[?61;0c");
1547 else
1548 ite_sendstr("\033[?63;0c");
1549 ip->escape = 0;
1550 return;
1551 default:
1552 /*
1553 * default catch all for not recognized ESC
1554 * sequences
1555 */
1556 ip->escape = 0;
1557 return;
1558 }
1559 break;
1560 case '(':
1561 case ')':
1562 ip->escape = 0;
1563 return;
1564 case ' ':
1565 switch (c) {
1566 case 'F':
1567 ip->eightbit_C1 = 0;
1568 ip->escape = 0;
1569 return;
1570 case 'G':
1571 ip->eightbit_C1 = 1;
1572 ip->escape = 0;
1573 return;
1574 default:
1575 /* not supported */
1576 ip->escape = 0;
1577 return;
1578 }
1579 break;
1580 case '#':
1581 switch (c) {
1582 case '5':
1583 /* single height, single width */
1584 ip->escape = 0;
1585 return;
1586 case '6':
1587 /* double width, single height */
1588 ip->escape = 0;
1589 return;
1590 case '3':
1591 /* top half */
1592 ip->escape = 0;
1593 return;
1594 case '4':
1595 /* bottom half */
1596 ip->escape = 0;
1597 return;
1598 case '8':
1599 /* screen alignment pattern... */
1600 alignment_display(ip);
1601 ip->escape = 0;
1602 return;
1603 default:
1604 ip->escape = 0;
1605 return;
1606 }
1607 break;
1608 case CSI:
1609 /* the biggie... */
1610 switch (c) {
1611 case '0':
1612 case '1':
1613 case '2':
1614 case '3':
1615 case '4':
1616 case '5':
1617 case '6':
1618 case '7':
1619 case '8':
1620 case '9':
1621 case ';':
1622 case '\"':
1623 case '$':
1624 case '>':
1625 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1626 *ip->ap++ = c;
1627 return;
1628 case BS:
1629 /*
1630 * you wouldn't believe such perversion is
1631 * possible? it is.. BS is allowed in between
1632 * cursor sequences (at least), according to
1633 * vttest..
1634 */
1635 if (--ip->curx < 0)
1636 ip->curx = 0;
1637 else
1638 SUBR_CURSOR(ip, MOVE_CURSOR);
1639 break;
1640 case 'p':
1641 *ip->ap = 0;
1642 if (!strncmp(ip->argbuf, "61\"", 3))
1643 ip->emul_level = EMUL_VT100;
1644 else if (!strncmp(ip->argbuf, "63;1\"", 5)
1645 || !strncmp(ip->argbuf, "62;1\"", 5))
1646 ip->emul_level = EMUL_VT300_7;
1647 else
1648 ip->emul_level = EMUL_VT300_8;
1649 ip->escape = 0;
1650 return;
1651 case '?':
1652 *ip->ap = 0;
1653 ip->escape = '?';
1654 ip->ap = ip->argbuf;
1655 return;
1656 case 'c':
1657 *ip->ap = 0;
1658 if (ip->argbuf[0] == '>') {
1659 ite_sendstr("\033[>24;0;0;0c");
1660 } else
1661 switch (ite_zargnum(ip)) {
1662 case 0:
1663 /*
1664 * primary DA request, send
1665 * primary DA response
1666 */
1667 if (ip->emul_level
1668 == EMUL_VT100)
1669 ite_sendstr(
1670 "\033[?1;1c");
1671 else
1672 ite_sendstr(
1673 "\033[?63;1c");
1674 break;
1675 }
1676 ip->escape = 0;
1677 return;
1678 case 'n':
1679 switch (ite_zargnum(ip)) {
1680 case 5:
1681 /* no malfunction */
1682 ite_sendstr("\033[0n");
1683 break;
1684 case 6:
1685 /* cursor position report */
1686 sprintf(ip->argbuf, "\033[%d;%dR",
1687 ip->cury + 1, ip->curx + 1);
1688 ite_sendstr(ip->argbuf);
1689 break;
1690 }
1691 ip->escape = 0;
1692 return;
1693 case 'x':
1694 switch (ite_zargnum(ip)) {
1695 case 0:
1696 /* Fake some terminal parameters. */
1697 ite_sendstr("\033[2;1;1;112;112;1;0x");
1698 break;
1699 case 1:
1700 ite_sendstr("\033[3;1;1;112;112;1;0x");
1701 break;
1702 }
1703 ip->escape = 0;
1704 return;
1705 case 'g':
1706 switch (ite_zargnum(ip)) {
1707 case 0:
1708 if (ip->curx < ip->cols)
1709 ip->tabs[ip->curx] = 0;
1710 break;
1711 case 3:
1712 for (n = 0; n < ip->cols; n++)
1713 ip->tabs[n] = 0;
1714 break;
1715 }
1716 ip->escape = 0;
1717 return;
1718 case 'h':
1719 case 'l':
1720 n = ite_zargnum(ip);
1721 switch (n) {
1722 case 4:
1723 /* insert/replace mode */
1724 ip->imode = (c == 'h');
1725 break;
1726 case 20:
1727 ip->linefeed_newline = (c == 'h');
1728 break;
1729 }
1730 ip->escape = 0;
1731 return;
1732 case 'M':
1733 ite_dnline(ip, ite_argnum(ip));
1734 ip->escape = 0;
1735 return;
1736 case 'L':
1737 ite_inline(ip, ite_argnum(ip));
1738 ip->escape = 0;
1739 return;
1740 case 'P':
1741 ite_dnchar(ip, ite_argnum(ip));
1742 ip->escape = 0;
1743 return;
1744 case '@':
1745 ite_inchar(ip, ite_argnum(ip));
1746 ip->escape = 0;
1747 return;
1748 case 'G':
1749 /*
1750 * this one was *not* in my vt320 manual but in
1751 * a vt320 termcap entry.. who is right? It's
1752 * supposed to set the horizontal cursor
1753 * position.
1754 */
1755 *ip->ap = 0;
1756 x = atoi(ip->argbuf);
1757 if (x)
1758 x--;
1759 ip->curx = min(x, ip->cols - 1);
1760 ip->escape = 0;
1761 SUBR_CURSOR(ip, MOVE_CURSOR);
1762 clr_attr(ip, ATTR_INV);
1763 return;
1764 case 'd':
1765 /*
1766 * same thing here, this one's for setting the
1767 * absolute vertical cursor position. Not
1768 * documented...
1769 */
1770 *ip->ap = 0;
1771 y = atoi(ip->argbuf);
1772 if (y)
1773 y--;
1774 if (ip->inside_margins)
1775 y += ip->top_margin;
1776 ip->cury = min(y, ip->rows - 1);
1777 ip->escape = 0;
1778 snap_cury(ip);
1779 SUBR_CURSOR(ip, MOVE_CURSOR);
1780 clr_attr(ip, ATTR_INV);
1781 return;
1782 case 'H':
1783 case 'f':
1784 *ip->ap = 0;
1785 y = atoi(ip->argbuf);
1786 x = 0;
1787 cp = index(ip->argbuf, ';');
1788 if (cp)
1789 x = atoi(cp + 1);
1790 if (x)
1791 x--;
1792 if (y)
1793 y--;
1794 if (ip->inside_margins)
1795 y += ip->top_margin;
1796 ip->cury = min(y, ip->rows - 1);
1797 ip->curx = min(x, ip->cols - 1);
1798 ip->escape = 0;
1799 snap_cury(ip);
1800 SUBR_CURSOR(ip, MOVE_CURSOR);
1801 clr_attr(ip, ATTR_INV);
1802 return;
1803 case 'A':
1804 n = ite_argnum(ip);
1805 n = ip->cury - (n ? n : 1);
1806 if (n < 0)
1807 n = 0;
1808 if (ip->inside_margins)
1809 n = max(ip->top_margin, n);
1810 else if (n == ip->top_margin - 1)
1811 /*
1812 * allow scrolling outside region, but
1813 * don't scroll out of active region
1814 * without explicit CUP
1815 */
1816 n = ip->top_margin;
1817 ip->cury = n;
1818 ip->escape = 0;
1819 SUBR_CURSOR(ip, MOVE_CURSOR);
1820 clr_attr(ip, ATTR_INV);
1821 return;
1822 case 'B':
1823 n = ite_argnum(ip);
1824 n = ip->cury + (n ? n : 1);
1825 n = min(ip->rows - 1, n);
1826 if (ip->inside_margins)
1827 n = min(ip->bottom_margin, n);
1828 else if (n == ip->bottom_margin + 1)
1829 /*
1830 * allow scrolling outside region, but
1831 * don't scroll out of active region
1832 * without explicit CUP
1833 */
1834 n = ip->bottom_margin;
1835 ip->cury = n;
1836 ip->escape = 0;
1837 SUBR_CURSOR(ip, MOVE_CURSOR);
1838 clr_attr(ip, ATTR_INV);
1839 return;
1840 case 'C':
1841 n = ite_argnum(ip);
1842 n = n ? n : 1;
1843 ip->curx = min(ip->curx + n, ip->cols - 1);
1844 ip->escape = 0;
1845 SUBR_CURSOR(ip, MOVE_CURSOR);
1846 clr_attr(ip, ATTR_INV);
1847 return;
1848 case 'D':
1849 n = ite_argnum(ip);
1850 n = n ? n : 1;
1851 n = ip->curx - n;
1852 ip->curx = n >= 0 ? n : 0;
1853 ip->escape = 0;
1854 SUBR_CURSOR(ip, MOVE_CURSOR);
1855 clr_attr(ip, ATTR_INV);
1856 return;
1857 case 'J':
1858 *ip->ap = 0;
1859 n = ite_zargnum(ip);
1860 if (n == 0)
1861 ite_clrtoeos(ip);
1862 else if (n == 1)
1863 ite_clrtobos(ip);
1864 else if (n == 2)
1865 ite_clrscreen(ip);
1866 ip->escape = 0;
1867 return;
1868 case 'K':
1869 n = ite_zargnum(ip);
1870 if (n == 0)
1871 ite_clrtoeol(ip);
1872 else if (n == 1)
1873 ite_clrtobol(ip);
1874 else if (n == 2)
1875 ite_clrline(ip);
1876 ip->escape = 0;
1877 return;
1878 case 'X':
1879 n = ite_argnum(ip) - 1;
1880 n = min(n, ip->cols - 1 - ip->curx);
1881 for (; n >= 0; n--) {
1882 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1883 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1884 }
1885 ip->escape = 0;
1886 return;
1887 case '}':
1888 case '`':
1889 /* status line control */
1890 ip->escape = 0;
1891 return;
1892 case 'r':
1893 *ip->ap = 0;
1894 x = atoi(ip->argbuf);
1895 x = x ? x : 1;
1896 y = ip->rows;
1897 cp = index(ip->argbuf, ';');
1898 if (cp) {
1899 y = atoi(cp + 1);
1900 y = y ? y : ip->rows;
1901 }
1902 if (y - x < 2) {
1903 /*
1904 * if illegal scrolling region, reset
1905 * to defaults
1906 */
1907 x = 1;
1908 y = ip->rows;
1909 }
1910 x--;
1911 y--;
1912 ip->top_margin = min(x, ip->rows - 1);
1913 ip->bottom_margin = min(y, ip->rows - 1);
1914 if (ip->inside_margins) {
1915 ip->cury = ip->top_margin;
1916 ip->curx = 0;
1917 SUBR_CURSOR(ip, MOVE_CURSOR);
1918 }
1919 ip->escape = 0;
1920 return;
1921 case 'm':
1922 /* big attribute setter/resetter */
1923 { char *cp;
1924 *ip->ap = 0;
1925 /* kludge to make CSIm work (== CSI0m) */
1926 if (ip->ap == ip->argbuf)
1927 ip->ap++;
1928 for (cp = ip->argbuf; cp < ip->ap;) {
1929 switch (*cp) {
1930 case 0:
1931 case '0':
1932 clr_attr(ip, ATTR_ALL);
1933 cp++;
1934 break;
1935
1936 case '1':
1937 set_attr(ip, ATTR_BOLD);
1938 cp++;
1939 break;
1940
1941 case '2':
1942 switch (cp[1]) {
1943 case '2':
1944 clr_attr(ip, ATTR_BOLD);
1945 cp += 2;
1946 break;
1947
1948 case '4':
1949 clr_attr(ip, ATTR_UL);
1950 cp += 2;
1951 break;
1952
1953 case '5':
1954 clr_attr(ip, ATTR_BLINK);
1955 cp += 2;
1956 break;
1957
1958 case '7':
1959 clr_attr(ip, ATTR_INV);
1960 cp += 2;
1961 break;
1962
1963 default:
1964 cp++;
1965 break;
1966 }
1967 break;
1968
1969 case '4':
1970 set_attr(ip, ATTR_UL);
1971 cp++;
1972 break;
1973
1974 case '5':
1975 set_attr(ip, ATTR_BLINK);
1976 cp++;
1977 break;
1978
1979 case '7':
1980 set_attr(ip, ATTR_INV);
1981 cp++;
1982 break;
1983
1984 default:
1985 cp++;
1986 break;
1987 }
1988 }
1989 ip->escape = 0;
1990 return; }
1991 case 'u':
1992 /* DECRQTSR */
1993 ite_sendstr("\033P\033\\");
1994 ip->escape = 0;
1995 return;
1996 default:
1997 ip->escape = 0;
1998 return;
1999 }
2000 break;
2001 case '?': /* CSI ? */
2002 switch (c) {
2003 case '0':
2004 case '1':
2005 case '2':
2006 case '3':
2007 case '4':
2008 case '5':
2009 case '6':
2010 case '7':
2011 case '8':
2012 case '9':
2013 case ';':
2014 case '\"':
2015 case '$':
2016 /*
2017 * Don't fill the last character;
2018 * it's needed.
2019 * XXX yeah, where ??
2020 */
2021 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2022 *ip->ap++ = c;
2023 return;
2024 case 'n':
2025 *ip->ap = 0;
2026 if (ip->ap == &ip->argbuf[2]) {
2027 if (!strncmp(ip->argbuf, "15", 2))
2028 /* printer status: no printer */
2029 ite_sendstr("\033[13n");
2030
2031 else if (!strncmp(ip->argbuf, "25", 2))
2032 /* udk status */
2033 ite_sendstr("\033[20n");
2034
2035 else if (!strncmp(ip->argbuf, "26", 2))
2036 /* keyboard dialect: US */
2037 ite_sendstr("\033[27;1n");
2038 }
2039 ip->escape = 0;
2040 return;
2041 case 'h':
2042 case 'l':
2043 n = ite_zargnum(ip);
2044 switch (n) {
2045 case 1:
2046 ip->cursor_appmode = (c == 'h');
2047 break;
2048 case 3:
2049 /* 132/80 columns (132 == 'h') */
2050 break;
2051 case 4: /* smooth scroll */
2052 break;
2053 case 5:
2054 /*
2055 * light background (=='h') /dark
2056 * background(=='l')
2057 */
2058 break;
2059 case 6: /* origin mode */
2060 ip->inside_margins = (c == 'h');
2061 ip->curx = 0;
2062 ip->cury = ip->inside_margins ?
2063 ip->top_margin : 0;
2064 SUBR_CURSOR(ip, MOVE_CURSOR);
2065 break;
2066 case 7: /* auto wraparound */
2067 ip->auto_wrap = (c == 'h');
2068 break;
2069 case 8: /* keyboard repeat */
2070 ip->key_repeat = (c == 'h');
2071 break;
2072 case 20: /* newline mode */
2073 ip->linefeed_newline = (c == 'h');
2074 break;
2075 case 25: /* cursor on/off */
2076 SUBR_CURSOR(ip, (c == 'h') ?
2077 DRAW_CURSOR : ERASE_CURSOR);
2078 break;
2079 }
2080 ip->escape = 0;
2081 return;
2082 default:
2083 ip->escape = 0;
2084 return;
2085 }
2086 break;
2087 default:
2088 ip->escape = 0;
2089 return;
2090 }
2091 }
2092 switch (c) {
2093 case VT: /* VT is treated like LF */
2094 case FF: /* so is FF */
2095 case LF:
2096 /*
2097 * cr->crlf distinction is done here, on output, not on input!
2098 */
2099 if (ip->linefeed_newline)
2100 ite_crlf(ip);
2101 else
2102 ite_lf(ip);
2103 break;
2104 case CR:
2105 ite_cr(ip);
2106 break;
2107 case BS:
2108 if (--ip->curx < 0)
2109 ip->curx = 0;
2110 else
2111 SUBR_CURSOR(ip, MOVE_CURSOR);
2112 break;
2113 case HT:
2114 for (n = ip->curx + 1; n < ip->cols; n++) {
2115 if (ip->tabs[n]) {
2116 ip->curx = n;
2117 SUBR_CURSOR(ip, MOVE_CURSOR);
2118 break;
2119 }
2120 }
2121 break;
2122 case BEL:
2123 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty
2124 #ifdef DRACO
2125 && !is_draco()
2126 #endif
2127 )
2128 ite_bell();
2129 break;
2130 case SO:
2131 ip->GL = ip->G1;
2132 break;
2133 case SI:
2134 ip->GL = ip->G0;
2135 break;
2136 case ENQ:
2137 /* send answer-back message !! */
2138 break;
2139 case CAN:
2140 ip->escape = 0; /* cancel any escape sequence in progress */
2141 break;
2142 case SUB:
2143 ip->escape = 0; /* dito, but see below */
2144 /* should also display a reverse question mark!! */
2145 break;
2146 case ESC:
2147 ip->escape = ESC;
2148 break;
2149 /*
2150 * now it gets weird.. 8bit control sequences..
2151 */
2152 case IND:
2153 /* index: move cursor down, scroll */
2154 ite_lf(ip);
2155 break;
2156 case NEL:
2157 /* next line. next line, first pos. */
2158 ite_crlf(ip);
2159 break;
2160 case HTS:
2161 /* set horizontal tab */
2162 if (ip->curx < ip->cols)
2163 ip->tabs[ip->curx] = 1;
2164 break;
2165 case RI:
2166 /* reverse index */
2167 ite_rlf(ip);
2168 break;
2169 case SS2:
2170 /* go into G2 for one character */
2171 /* not yet supported */
2172 break;
2173 case SS3:
2174 /* go into G3 for one character */
2175 break;
2176 case DCS:
2177 /* device control string introducer */
2178 ip->escape = DCS;
2179 ip->ap = ip->argbuf;
2180 break;
2181 case CSI:
2182 /* control sequence introducer */
2183 ip->escape = CSI;
2184 ip->ap = ip->argbuf;
2185 break;
2186 case ST:
2187 /* string terminator */
2188 /* ignore, if not used as terminator */
2189 break;
2190 case OSC:
2191 /*
2192 * introduces OS command. Ignore everything
2193 * upto ST
2194 */
2195 ip->escape = OSC;
2196 break;
2197 case PM:
2198 /* privacy message, ignore everything upto ST */
2199 ip->escape = PM;
2200 break;
2201 case APC:
2202 /*
2203 * application program command, ignore * everything upto ST
2204 */
2205 ip->escape = APC;
2206 break;
2207 default:
2208 if ((c & 0x7f) < ' ' || c == DEL)
2209 break;
2210 if (ip->imode)
2211 ite_inchar(ip, 1);
2212 iteprecheckwrap(ip);
2213 #ifdef DO_WEIRD_ATTRIBUTES
2214 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2215 attrset(ip, ATTR_INV);
2216 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2217 } else
2218 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2219 #else
2220 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2221 #endif
2222 SUBR_CURSOR(ip, DRAW_CURSOR);
2223 itecheckwrap(ip);
2224 break;
2225 }
2226 }
2227
2228