ite.c revision 1.56.8.3 1 /* $NetBSD: ite.c,v 1.56.8.3 2002/04/01 07:38:59 nathanw 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 1.56.8.3 2002/04/01 07:38:59 nathanw 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 #include <machine/conf.h>
84
85 #include "grfcc.h"
86 #include "ite.h"
87
88 /*
89 * XXX go ask sys/kern/tty.c:ttselect()
90 */
91
92 #define ITEUNIT(dev) (minor(dev))
93
94 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
95 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
96 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
97 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
98 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
99 #define SUBR_SCROLL(ip,sy,sx,count,dir) \
100 (ip)->grf->g_itescroll(ip,sy,sx,count,dir)
101
102 u_int ite_confunits; /* configured units */
103
104 int start_repeat_timeo = 30; /* first repeat after x s/100 */
105 int next_repeat_timeo = 10; /* next repeat after x s/100 */
106
107 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
108
109 struct ite_softc con_itesoftc;
110 u_char cons_tabs[MAX_TABS];
111
112 struct ite_softc *kbd_ite;
113
114 /* audio bell stuff */
115 u_int bvolume = 10;
116 u_int bpitch = 660;
117 u_int bmsec = 75;
118
119 static char *bsamplep;
120 static char sample[20] = {
121 0,39,75,103,121,127,121,103,75,39,0,
122 -39,-75,-103,-121,-127,-121,-103,-75,-39
123 };
124
125 static char *index(const char *, char);
126 void iteputchar(int c, struct ite_softc *ip);
127 void ite_putstr(const char * s, int len, dev_t dev);
128 void iteattach(struct device *, struct device *, void *);
129 int itematch(struct device *, struct cfdata *, void *);
130 static void iteprecheckwrap(struct ite_softc *);
131 static void itecheckwrap(struct ite_softc *);
132 struct ite_softc *getitesp(dev_t);
133 void init_bell(void);
134 void ite_bell(void);
135 void itecnpollc(dev_t, int);
136 static void repeat_handler(void *);
137 inline static void ite_sendstr(char *);
138 static void alignment_display(struct ite_softc *);
139 inline static void snap_cury(struct ite_softc *);
140 inline static void ite_dnchar(struct ite_softc *, int);
141 inline static void ite_inchar(struct ite_softc *, int);
142 inline static void ite_clrtoeol(struct ite_softc *);
143 inline static void ite_clrtobol(struct ite_softc *);
144 inline static void ite_clrline(struct ite_softc *);
145 inline static void ite_clrtoeos(struct ite_softc *);
146 inline static void ite_clrtobos(struct ite_softc *);
147 inline static void ite_clrscreen(struct ite_softc *);
148 inline static void ite_dnline(struct ite_softc *, int);
149 inline static void ite_inline(struct ite_softc *, int);
150 inline static void ite_lf(struct ite_softc *);
151 inline static void ite_crlf(struct ite_softc *);
152 inline static void ite_cr(struct ite_softc *);
153 inline static void ite_rlf(struct ite_softc *);
154 inline static int atoi(const char *);
155 inline static int ite_argnum(struct ite_softc *);
156 inline static int ite_zargnum(struct ite_softc *);
157
158 struct cfattach ite_ca = {
159 sizeof(struct ite_softc), itematch, iteattach
160 };
161
162 extern struct cfdriver ite_cd;
163
164 int
165 itematch(struct device *pdp, struct cfdata *cfp, void *auxp)
166 {
167 struct grf_softc *gp;
168 int maj;
169
170 gp = auxp;
171 /*
172 * all that our mask allows (more than enough no one
173 * has > 32 monitors for text consoles on one machine)
174 */
175 if (cfp->cf_unit >= sizeof(ite_confunits) * NBBY)
176 return(0);
177 /*
178 * XXX
179 * normally this would be done in attach, however
180 * during early init we do not have a device pointer
181 * and thus no unit number.
182 */
183 for(maj = 0; maj < nchrdev; maj++)
184 if (cdevsw[maj].d_open == iteopen)
185 break;
186 gp->g_itedev = makedev(maj, cfp->cf_unit);
187 return(1);
188 }
189
190 void
191 iteattach(struct device *pdp, struct device *dp, void *auxp)
192 {
193 struct grf_softc *gp;
194 struct ite_softc *ip;
195 int s;
196
197 gp = (struct grf_softc *)auxp;
198
199 /*
200 * mark unit as attached (XXX see itematch)
201 */
202 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
203
204 if (dp) {
205 ip = (struct ite_softc *)dp;
206
207 s = spltty();
208 if (con_itesoftc.grf != NULL &&
209 con_itesoftc.grf->g_unit == gp->g_unit) {
210 /*
211 * console reinit copy params over.
212 * and console always gets keyboard
213 */
214 bcopy(&con_itesoftc.grf, &ip->grf,
215 (char *)&ip[1] - (char *)&ip->grf);
216 con_itesoftc.grf = NULL;
217 kbd_ite = ip;
218 }
219 ip->grf = gp;
220 splx(s);
221
222 alloc_sicallback();
223 iteinit(gp->g_itedev);
224 printf(": rows %d cols %d", ip->rows, ip->cols);
225 printf(" repeat at (%d/100)s next at (%d/100)s",
226 start_repeat_timeo, next_repeat_timeo);
227
228 if (kbd_ite == NULL)
229 kbd_ite = ip;
230 if (kbd_ite == ip)
231 printf(" has keyboard");
232 printf("\n");
233 } else {
234 if (con_itesoftc.grf != NULL &&
235 con_itesoftc.grf->g_conpri > gp->g_conpri)
236 return;
237 con_itesoftc.grf = gp;
238 con_itesoftc.tabs = cons_tabs;
239 }
240 }
241
242 struct ite_softc *
243 getitesp(dev_t dev)
244 {
245 if (amiga_realconfig && con_itesoftc.grf == NULL)
246 return(ite_cd.cd_devs[ITEUNIT(dev)]);
247
248 if (con_itesoftc.grf == NULL)
249 panic("no ite_softc for console");
250 return(&con_itesoftc);
251 }
252
253 /*
254 * cons.c entry points into ite device.
255 */
256
257 /*
258 * Return a priority in consdev->cn_pri field highest wins. This function
259 * is called before any devices have been probed.
260 */
261 void
262 itecnprobe(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(void)
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(void)
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(struct consdev *cd)
316 {
317 struct ite_softc *ip;
318
319 ip = getitesp(cd->cn_dev);
320 iteinit(cd->cn_dev);
321 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
322
323 #ifdef DRACO
324 if (!is_draco())
325 #endif
326 init_bell();
327 }
328
329 /*
330 * ite_cnfinish() is called in ite_init() when the device is
331 * being probed in the normal fasion, thus we can finish setting
332 * up this ite now that the system is more functional.
333 */
334 void
335 ite_cnfinish(struct ite_softc *ip)
336 {
337 static int done;
338
339 if (done)
340 return;
341 done = 1;
342 }
343
344 int
345 itecngetc(dev_t dev)
346 {
347 int c;
348
349 /* XXX this should be moved */
350 kbdenable();
351 do {
352 c = kbdgetcn();
353 c = ite_cnfilter(c, ITEFILT_CONSOLE);
354 } while (c == -1);
355 return (c);
356 }
357
358 void
359 itecnputc(dev_t dev, int c)
360 {
361 static int paniced;
362 struct ite_softc *ip;
363 char ch;
364
365 ip = getitesp(dev);
366 ch = c;
367
368 if (panicstr && !paniced &&
369 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
370 (void)ite_on(dev, 3);
371 paniced = 1;
372 }
373 iteputchar(ch, ip);
374 }
375
376 void
377 itecnpollc(dev_t dev, int on)
378 {
379 }
380
381 /*
382 * standard entry points to the device.
383 */
384
385 /*
386 * iteinit() is the standard entry point for initialization of
387 * an ite device, it is also called from ite_cninit().
388 *
389 */
390 void
391 iteinit(dev_t dev)
392 {
393 struct ite_softc *ip;
394 static int kbdmap_loaded = 0;
395
396 ip = getitesp(dev);
397 if (ip->flags & ITE_INITED)
398 return;
399 if (kbdmap_loaded == 0) {
400 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
401 kbdmap_loaded = 1;
402 }
403
404 ip->cursorx = 0;
405 ip->cursory = 0;
406 SUBR_INIT(ip);
407 SUBR_CURSOR(ip, DRAW_CURSOR);
408 if (ip->tabs == NULL)
409 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
410 ite_reset(ip);
411 ip->flags |= ITE_INITED;
412 }
413
414 int
415 iteopen(dev_t dev, int mode, int devtype, struct proc *p)
416 {
417 struct ite_softc *ip;
418 struct tty *tp;
419 int error, first, unit;
420
421 unit = ITEUNIT(dev);
422 first = 0;
423
424 if (((1 << unit) & ite_confunits) == 0)
425 return (ENXIO);
426
427 ip = getitesp(dev);
428
429 if (ip->tp == NULL) {
430 tp = ip->tp = ttymalloc();
431 tty_attach(tp);
432 } else
433 tp = ip->tp;
434 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
435 && p->p_ucred->cr_uid != 0)
436 return (EBUSY);
437 if ((ip->flags & ITE_ACTIVE) == 0) {
438 error = ite_on(dev, 0);
439 if (error)
440 return (error);
441 first = 1;
442 }
443 tp->t_oproc = itestart;
444 tp->t_param = ite_param;
445 tp->t_dev = dev;
446 if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) {
447 ttychars(tp);
448 tp->t_iflag = TTYDEF_IFLAG;
449 tp->t_oflag = TTYDEF_OFLAG;
450 tp->t_cflag = TTYDEF_CFLAG;
451 tp->t_lflag = TTYDEF_LFLAG;
452 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
453 tp->t_state = TS_CARR_ON;
454 ttsetwater(tp);
455 }
456 error = ttyopen(tp, 0, mode & O_NONBLOCK);
457 if (error)
458 goto bad;
459
460 error = tp->t_linesw->l_open(dev, tp);
461 if (error)
462 goto bad;
463
464 tp->t_winsize.ws_row = ip->rows;
465 tp->t_winsize.ws_col = ip->cols;
466 kbdenable();
467 return (0);
468 bad:
469 if (first)
470 ite_off(dev, 0);
471 return (error);
472 }
473
474 int
475 iteclose(dev_t dev, int flag, int mode, struct proc *p)
476 {
477 struct tty *tp;
478
479 tp = getitesp(dev)->tp;
480
481 KDASSERT(tp);
482 tp->t_linesw->l_close(tp, flag);
483 ttyclose(tp);
484 ite_off(dev, 0);
485 return (0);
486 }
487
488 int
489 iteread(dev_t dev, struct uio *uio, int flag)
490 {
491 struct tty *tp;
492
493 tp = getitesp(dev)->tp;
494
495 KDASSERT(tp);
496 return tp->t_linesw->l_read(tp, uio, flag);
497 }
498
499 int
500 itewrite(dev_t dev, struct uio *uio, int flag)
501 {
502 struct tty *tp;
503
504 tp = getitesp(dev)->tp;
505
506 KDASSERT(tp);
507 return tp->t_linesw->l_write(tp, uio, flag);
508 }
509
510 int
511 itepoll(dev_t dev, int events, struct proc *p)
512 {
513 struct tty *tp;
514
515 tp = getitesp(dev)->tp;
516
517 KDASSERT(tp);
518 return ((*tp->t_linesw->l_poll)(tp, events, p));
519 }
520
521 struct tty *
522 itetty(dev_t dev)
523 {
524 return (getitesp(dev)->tp);
525 }
526
527 void
528 itestop(struct tty *tp, int flag)
529 {
530
531 }
532
533 int
534 iteioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
535 {
536 struct iterepeat *irp;
537 struct ite_softc *ip;
538 struct itebell *ib;
539 struct tty *tp;
540 int error;
541
542 ip = getitesp(dev);
543 tp = ip->tp;
544
545 KDASSERT(tp);
546
547 error = tp->t_linesw->l_ioctl(tp, cmd, addr, flag, p);
548 if (error != EPASSTHROUGH)
549 return (error);
550 error = ttioctl(tp, cmd, addr, flag, p);
551 if (error != EPASSTHROUGH)
552 return (error);
553
554 switch (cmd) {
555 case ITEIOCGBELL:
556 ib = (struct itebell *)addr;
557 ib->volume = bvolume;
558 ib->pitch = bpitch;
559 ib->msec = bmsec;
560 return (0);
561 case ITEIOCSBELL:
562 ib = (struct itebell *)addr;
563
564 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH ||
565 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME)
566 return (EINVAL);
567 bvolume = ib->volume;
568 bpitch = ib->pitch;
569 bmsec = ib->msec;
570 return (0);
571 case ITEIOCSKMAP:
572 if (addr == 0)
573 return(EFAULT);
574 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
575 return(0);
576 case ITEIOCGKMAP:
577 if (addr == NULL)
578 return(EFAULT);
579 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
580 return(0);
581 case ITEIOCGREPT:
582 irp = (struct iterepeat *)addr;
583 irp->start = start_repeat_timeo;
584 irp->next = next_repeat_timeo;
585 return (0);
586 case ITEIOCSREPT:
587 irp = (struct iterepeat *)addr;
588 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
589 return(EINVAL);
590 start_repeat_timeo = irp->start;
591 next_repeat_timeo = irp->next;
592 return(0);
593 }
594 #if NGRFCC > 0
595 /* XXX */
596 if (minor(dev) == 0) {
597 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
598 if (error >= 0)
599 return (error);
600 }
601 #endif
602 return (EPASSTHROUGH);
603 }
604
605 void
606 itestart(struct tty *tp)
607 {
608 struct clist *rbp;
609 struct ite_softc *ip;
610 u_char buf[ITEBURST];
611 int s, len;
612
613 ip = getitesp(tp->t_dev);
614
615 KDASSERT(tp);
616
617 s = spltty(); {
618 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
619 goto out;
620
621 tp->t_state |= TS_BUSY;
622 rbp = &tp->t_outq;
623
624 len = q_to_b(rbp, buf, ITEBURST);
625 } splx(s);
626
627 /* Here is a really good place to implement pre/jumpscroll() */
628 ite_putstr(buf, len, tp->t_dev);
629
630 s = spltty(); {
631 tp->t_state &= ~TS_BUSY;
632 /* we have characters remaining. */
633 if (rbp->c_cc) {
634 tp->t_state |= TS_TIMEOUT;
635 callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp);
636 }
637 /* wakeup we are below */
638 if (rbp->c_cc <= tp->t_lowat) {
639 if (tp->t_state & TS_ASLEEP) {
640 tp->t_state &= ~TS_ASLEEP;
641 wakeup((caddr_t) rbp);
642 }
643 selwakeup(&tp->t_wsel);
644 }
645 out:
646 } splx(s);
647 }
648
649 int
650 ite_on(dev_t dev, int flag)
651 {
652 struct ite_softc *ip;
653 int unit;
654
655 unit = ITEUNIT(dev);
656 if (((1 << unit) & ite_confunits) == 0)
657 return (ENXIO);
658
659 ip = getitesp(dev);
660
661 /* force ite active, overriding graphics mode */
662 if (flag & 1) {
663 ip->flags |= ITE_ACTIVE;
664 ip->flags &= ~(ITE_INGRF | ITE_INITED);
665 }
666 /* leave graphics mode */
667 if (flag & 2) {
668 ip->flags &= ~ITE_INGRF;
669 if ((ip->flags & ITE_ACTIVE) == 0)
670 return (0);
671 }
672 ip->flags |= ITE_ACTIVE;
673 if (ip->flags & ITE_INGRF)
674 return (0);
675 iteinit(dev);
676 return (0);
677 }
678
679 void
680 ite_off(dev_t dev, int flag)
681 {
682 struct ite_softc *ip;
683
684 ip = getitesp(dev);
685 if (flag & 2)
686 ip->flags |= ITE_INGRF;
687 if ((ip->flags & ITE_ACTIVE) == 0)
688 return;
689 if ((flag & 1) ||
690 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
691 SUBR_DEINIT(ip);
692 /* XXX hmm grfon() I think wants this to go inactive. */
693 if ((flag & 2) == 0)
694 ip->flags &= ~ITE_ACTIVE;
695 }
696
697 /* XXX called after changes made in underlying grf layer. */
698 /* I want to nuke this */
699 void
700 ite_reinit(dev_t dev)
701 {
702 struct ite_softc *ip;
703
704 ip = getitesp(dev);
705 ip->flags &= ~ITE_INITED;
706 iteinit(dev);
707 }
708
709 int
710 ite_param(struct tty *tp, struct termios *t)
711 {
712 tp->t_ispeed = t->c_ispeed;
713 tp->t_ospeed = t->c_ospeed;
714 tp->t_cflag = t->c_cflag;
715 return (0);
716 }
717
718 void
719 ite_reset(struct ite_softc *ip)
720 {
721 int i;
722
723 ip->curx = 0;
724 ip->cury = 0;
725 ip->attribute = ATTR_NOR;
726 ip->save_curx = 0;
727 ip->save_cury = 0;
728 ip->save_attribute = ATTR_NOR;
729 ip->ap = ip->argbuf;
730 ip->emul_level = 0;
731 ip->eightbit_C1 = 0;
732 ip->top_margin = 0;
733 ip->bottom_margin = ip->rows - 1;
734 ip->inside_margins = 0;
735 ip->linefeed_newline = 0;
736 ip->auto_wrap = ite_default_wrap;
737 ip->cursor_appmode = 0;
738 ip->keypad_appmode = 0;
739 ip->imode = 0;
740 ip->key_repeat = 1;
741 bzero(ip->tabs, ip->cols);
742 for (i = 0; i < ip->cols; i++)
743 ip->tabs[i] = ((i & 7) == 0);
744 }
745
746 /*
747 * has to be global becuase of the shared filters.
748 */
749 static u_char key_mod;
750 static u_char last_dead;
751
752 /* Used in console at startup only */
753 int
754 ite_cnfilter(u_char c, enum caller caller)
755 {
756 struct key key;
757 u_char code, up, mask;
758 int s, i;
759
760 up = c & 0x80 ? 1 : 0;
761 c &= 0x7f;
762 code = 0;
763
764 s = spltty();
765
766 i = (int)c - KBD_LEFT_SHIFT;
767 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
768 mask = 1 << i;
769 if (up)
770 key_mod &= ~mask;
771 else
772 key_mod |= mask;
773 splx(s);
774 return -1;
775 }
776
777 if (up) {
778 splx(s);
779 return -1;
780 }
781
782 /* translate modifiers */
783 if (key_mod & KBD_MOD_SHIFT) {
784 if (key_mod & KBD_MOD_ALT)
785 key = kbdmap.alt_shift_keys[c];
786 else
787 key = kbdmap.shift_keys[c];
788 } else if (key_mod & KBD_MOD_ALT)
789 key = kbdmap.alt_keys[c];
790 else {
791 key = kbdmap.keys[c];
792 /* if CAPS and key is CAPable (no pun intended) */
793 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
794 key = kbdmap.shift_keys[c];
795 }
796 code = key.code;
797
798 /* if string return */
799 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
800 splx(s);
801 return -1;
802 }
803 /* handle dead keys */
804 if (key.mode & KBD_MODE_DEAD) {
805 /* if entered twice, send accent itself */
806 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
807 last_dead = 0;
808 else {
809 last_dead = key.mode & KBD_MODE_ACCMASK;
810 splx(s);
811 return -1;
812 }
813 }
814 if (last_dead) {
815 /* can't apply dead flag to string-keys */
816 if (code >= '@' && code < 0x7f)
817 code =
818 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
819 last_dead = 0;
820 }
821 if (key_mod & KBD_MOD_CTRL)
822 code &= 0x1f;
823 if (key_mod & KBD_MOD_META)
824 code |= 0x80;
825
826 /* do console mapping. */
827 code = code == '\r' ? '\n' : code;
828
829 splx(s);
830 return (code);
831 }
832
833 /* And now the old stuff. */
834
835 /* these are used to implement repeating keys.. */
836 static u_char last_char;
837 static u_char tout_pending;
838
839 static struct callout repeat_ch = CALLOUT_INITIALIZER;
840
841 /*ARGSUSED*/
842 static void
843 repeat_handler(void *arg)
844 {
845 tout_pending = 0;
846 if (last_char)
847 ite_filter(last_char, ITEFILT_REPEATER);
848 }
849
850 void
851 ite_filter(u_char c, enum caller caller)
852 {
853 struct tty *kbd_tty;
854 u_char code, *str, up, mask;
855 struct key key;
856 int s, i;
857
858 if (kbd_ite == NULL || kbd_ite->tp == NULL)
859 return;
860
861 kbd_tty = kbd_ite->tp;
862
863 /* have to make sure we're at spltty in here */
864 s = spltty();
865
866 /*
867 * keyboard interrupts come at priority 2, while softint
868 * generated keyboard-repeat interrupts come at level 1. So,
869 * to not allow a key-up event to get thru before a repeat for
870 * the key-down, we remove any outstanding callout requests..
871 rem_sicallback(ite_sifilter);
872 */
873
874 up = c & 0x80 ? 1 : 0;
875 c &= 0x7f;
876 code = 0;
877
878 i = (int)c - KBD_LEFT_SHIFT;
879 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
880 mask = 1 << i;
881 if (up)
882 key_mod &= ~mask;
883 else
884 key_mod |= mask;
885 splx(s);
886 return;
887 }
888 /* stop repeating on up event */
889 if (up) {
890 if (tout_pending) {
891 callout_stop(&repeat_ch);
892 tout_pending = 0;
893 last_char = 0;
894 }
895 splx(s);
896 return;
897 } else if (tout_pending && last_char != c) {
898 /* different character, stop also */
899 callout_stop(&repeat_ch);
900 tout_pending = 0;
901 last_char = 0;
902 }
903 /* Safety button, switch back to ascii keymap. */
904 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
905 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
906
907 splx(s);
908 return;
909 #ifdef DDB
910 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
911 Debugger();
912 splx(s);
913 return;
914 #endif
915 }
916 /* translate modifiers */
917 if (key_mod & KBD_MOD_SHIFT) {
918 if (key_mod & KBD_MOD_ALT)
919 key = kbdmap.alt_shift_keys[c];
920 else
921 key = kbdmap.shift_keys[c];
922 } else if (key_mod & KBD_MOD_ALT)
923 key = kbdmap.alt_keys[c];
924 else {
925 key = kbdmap.keys[c];
926 /* if CAPS and key is CAPable (no pun intended) */
927 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
928 key = kbdmap.shift_keys[c];
929 }
930 code = key.code;
931
932 /*
933 * arrange to repeat the keystroke. By doing this at the level
934 * of scan-codes, we can have function keys, and keys that
935 * send strings, repeat too. This also entitles an additional
936 * overhead, since we have to do the conversion each time, but
937 * I guess that's ok.
938 */
939 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
940 tout_pending = 1;
941 last_char = c;
942 callout_reset(&repeat_ch,
943 start_repeat_timeo * hz / 100, repeat_handler, NULL);
944 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
945 kbd_ite->key_repeat) {
946 tout_pending = 1;
947 last_char = c;
948 callout_reset(&repeat_ch,
949 next_repeat_timeo * hz / 100, repeat_handler, NULL);
950 }
951 /* handle dead keys */
952 if (key.mode & KBD_MODE_DEAD) {
953 /* if entered twice, send accent itself */
954 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
955 last_dead = 0;
956 else {
957 last_dead = key.mode & KBD_MODE_ACCMASK;
958 splx(s);
959 return;
960 }
961 }
962 if (last_dead) {
963 /* can't apply dead flag to string-keys */
964 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
965 code < 0x7f)
966 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
967 last_dead = 0;
968 }
969 /* if not string, apply META and CTRL modifiers */
970 if (!(key.mode & KBD_MODE_STRING)
971 && (!(key.mode & KBD_MODE_KPAD) ||
972 (kbd_ite && !kbd_ite->keypad_appmode))) {
973 if (key_mod & KBD_MOD_CTRL)
974 code &= 0x1f;
975 if (key_mod & KBD_MOD_META)
976 code |= 0x80;
977 } else if ((key.mode & KBD_MODE_KPAD) &&
978 (kbd_ite && kbd_ite->keypad_appmode)) {
979 static char in[] = {
980 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */,
981 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */,
982 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */,
983 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */,
984 0x5c /* / */, 0x5d /* * */
985 };
986 static char *out = "pqrstuvwxymlnMPQRS";
987 char *cp = index (in, c);
988
989 /*
990 * keypad-appmode sends SS3 followed by the above
991 * translated character
992 */
993 kbd_tty->t_linesw->l_rint(27, kbd_tty);
994 kbd_tty->t_linesw->l_rint('O', kbd_tty);
995 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
996 splx(s);
997 return;
998 } else {
999 /* *NO* I don't like this.... */
1000 static u_char app_cursor[] =
1001 {
1002 3, 27, 'O', 'A',
1003 3, 27, 'O', 'B',
1004 3, 27, 'O', 'C',
1005 3, 27, 'O', 'D'};
1006
1007 str = kbdmap.strings + code;
1008 /*
1009 * if this is a cursor key, AND it has the default
1010 * keymap setting, AND we're in app-cursor mode, switch
1011 * to the above table. This is *nasty* !
1012 */
1013 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
1014 && !bcmp(str, "\x03\x1b[", 3) &&
1015 index("ABCD", str[3]))
1016 str = app_cursor + 4 * (str[3] - 'A');
1017
1018 /*
1019 * using a length-byte instead of 0-termination allows
1020 * to embed \0 into strings, although this is not used
1021 * in the default keymap
1022 */
1023 for (i = *str++; i; i--)
1024 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1025 splx(s);
1026 return;
1027 }
1028 kbd_tty->t_linesw->l_rint(code, kbd_tty);
1029
1030 splx(s);
1031 return;
1032 }
1033
1034 /* helper functions, makes the code below more readable */
1035 inline static void
1036 ite_sendstr(char *str)
1037 {
1038 struct tty *kbd_tty;
1039
1040 kbd_tty = kbd_ite->tp;
1041 KDASSERT(kbd_tty);
1042 while (*str)
1043 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1044 }
1045
1046 static void
1047 alignment_display(struct ite_softc *ip)
1048 {
1049 int i, j;
1050
1051 for (j = 0; j < ip->rows; j++)
1052 for (i = 0; i < ip->cols; i++)
1053 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1054 attrclr(ip, 0, 0, ip->rows, ip->cols);
1055 SUBR_CURSOR(ip, DRAW_CURSOR);
1056 }
1057
1058 inline static void
1059 snap_cury(struct ite_softc *ip)
1060 {
1061 if (ip->inside_margins)
1062 {
1063 if (ip->cury < ip->top_margin)
1064 ip->cury = ip->top_margin;
1065 if (ip->cury > ip->bottom_margin)
1066 ip->cury = ip->bottom_margin;
1067 }
1068 }
1069
1070 inline static void
1071 ite_dnchar(struct ite_softc *ip, int n)
1072 {
1073 n = min(n, ip->cols - ip->curx);
1074 if (n < ip->cols - ip->curx)
1075 {
1076 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1077 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1078 1, ip->cols - ip->curx - n);
1079 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1080 }
1081 while (n-- > 0)
1082 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1083 SUBR_CURSOR(ip, DRAW_CURSOR);
1084 }
1085
1086 inline static void
1087 ite_inchar(struct ite_softc *ip, int n)
1088 {
1089 n = min(n, ip->cols - ip->curx);
1090 if (n < ip->cols - ip->curx)
1091 {
1092 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1093 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1094 1, ip->cols - ip->curx - n);
1095 attrclr(ip, ip->cury, ip->curx, 1, n);
1096 }
1097 while (n--)
1098 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1099 SUBR_CURSOR(ip, DRAW_CURSOR);
1100 }
1101
1102 inline static void
1103 ite_clrtoeol(struct ite_softc *ip)
1104 {
1105 int y = ip->cury, x = ip->curx;
1106 if (ip->cols - x > 0)
1107 {
1108 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1109 attrclr(ip, y, x, 1, ip->cols - x);
1110 SUBR_CURSOR(ip, DRAW_CURSOR);
1111 }
1112 }
1113
1114 inline static void
1115 ite_clrtobol(struct ite_softc *ip)
1116 {
1117 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1118 SUBR_CLEAR(ip, y, 0, 1, x);
1119 attrclr(ip, y, 0, 1, x);
1120 SUBR_CURSOR(ip, DRAW_CURSOR);
1121 }
1122
1123 inline static void
1124 ite_clrline(struct ite_softc *ip)
1125 {
1126 int y = ip->cury;
1127 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1128 attrclr(ip, y, 0, 1, ip->cols);
1129 SUBR_CURSOR(ip, DRAW_CURSOR);
1130 }
1131
1132
1133
1134 inline static void
1135 ite_clrtoeos(struct ite_softc *ip)
1136 {
1137 ite_clrtoeol(ip);
1138 if (ip->cury < ip->rows - 1)
1139 {
1140 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1141 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1142 SUBR_CURSOR(ip, DRAW_CURSOR);
1143 }
1144 }
1145
1146 inline static void
1147 ite_clrtobos(struct ite_softc *ip)
1148 {
1149 ite_clrtobol(ip);
1150 if (ip->cury > 0)
1151 {
1152 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1153 attrclr(ip, 0, 0, ip->cury, ip->cols);
1154 SUBR_CURSOR(ip, DRAW_CURSOR);
1155 }
1156 }
1157
1158 inline static void
1159 ite_clrscreen(struct ite_softc *ip)
1160 {
1161 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1162 attrclr(ip, 0, 0, ip->rows, ip->cols);
1163 SUBR_CURSOR(ip, DRAW_CURSOR);
1164 }
1165
1166
1167
1168 inline static void
1169 ite_dnline(struct ite_softc *ip, int n)
1170 {
1171 /* interesting.. if the cursor is outside the scrolling
1172 region, this command is simply ignored.. */
1173 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1174 return;
1175
1176 n = min(n, ip->bottom_margin + 1 - ip->cury);
1177 if (n <= ip->bottom_margin - ip->cury)
1178 {
1179 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1180 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1181 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1182 }
1183 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1184 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1185 SUBR_CURSOR(ip, DRAW_CURSOR);
1186 }
1187
1188 inline static void
1189 ite_inline(struct ite_softc *ip, int n)
1190 {
1191 /* interesting.. if the cursor is outside the scrolling
1192 region, this command is simply ignored.. */
1193 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1194 return;
1195
1196 n = min(n, ip->bottom_margin + 1 - ip->cury);
1197 if (n <= ip->bottom_margin - ip->cury)
1198 {
1199 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1200 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1201 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1202 }
1203 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1204 attrclr(ip, ip->cury, 0, n, ip->cols);
1205 SUBR_CURSOR(ip, DRAW_CURSOR);
1206 }
1207
1208 inline static void
1209 ite_lf(struct ite_softc *ip)
1210 {
1211 ++ip->cury;
1212 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1213 {
1214 ip->cury--;
1215 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1216 ite_clrline(ip);
1217 }
1218 SUBR_CURSOR(ip, MOVE_CURSOR);
1219 clr_attr(ip, ATTR_INV);
1220 }
1221
1222 inline static void
1223 ite_crlf(struct ite_softc *ip)
1224 {
1225 ip->curx = 0;
1226 ite_lf (ip);
1227 }
1228
1229 inline static void
1230 ite_cr(struct ite_softc *ip)
1231 {
1232 if (ip->curx)
1233 {
1234 ip->curx = 0;
1235 SUBR_CURSOR(ip, MOVE_CURSOR);
1236 }
1237 }
1238
1239 inline static void
1240 ite_rlf(struct ite_softc *ip)
1241 {
1242 ip->cury--;
1243 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1244 {
1245 ip->cury++;
1246 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1247 ite_clrline(ip);
1248 }
1249 SUBR_CURSOR(ip, MOVE_CURSOR);
1250 clr_attr(ip, ATTR_INV);
1251 }
1252
1253 inline static int
1254 atoi(const char *cp)
1255 {
1256 int n;
1257
1258 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1259 n = n * 10 + *cp - '0';
1260
1261 return n;
1262 }
1263
1264 static char *
1265 index(const char *cp, char ch)
1266 {
1267 while (*cp && *cp != ch) cp++;
1268 return *cp ? (char *) cp : 0;
1269 }
1270
1271
1272
1273 inline static int
1274 ite_argnum(struct ite_softc *ip)
1275 {
1276 char ch;
1277 int n;
1278
1279 /* convert argument string into number */
1280 if (ip->ap == ip->argbuf)
1281 return 1;
1282 ch = *ip->ap;
1283 *ip->ap = 0;
1284 n = atoi (ip->argbuf);
1285 *ip->ap = ch;
1286
1287 return n;
1288 }
1289
1290 inline static int
1291 ite_zargnum(struct ite_softc *ip)
1292 {
1293 char ch;
1294 int n;
1295
1296 /* convert argument string into number */
1297 if (ip->ap == ip->argbuf)
1298 return 0;
1299 ch = *ip->ap;
1300 *ip->ap = 0;
1301 n = atoi (ip->argbuf);
1302 *ip->ap = ch;
1303
1304 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1305 }
1306
1307 void
1308 ite_putstr(const char *s, int len, dev_t dev)
1309 {
1310 struct ite_softc *ip;
1311 int i;
1312
1313 ip = getitesp(dev);
1314
1315 /* XXX avoid problems */
1316 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1317 return;
1318
1319 SUBR_CURSOR(ip, START_CURSOROPT);
1320 for (i = 0; i < len; i++)
1321 if (s[i])
1322 iteputchar(s[i], ip);
1323 SUBR_CURSOR(ip, END_CURSOROPT);
1324 }
1325
1326 static void
1327 iteprecheckwrap(struct ite_softc *ip)
1328 {
1329 if (ip->auto_wrap && ip->curx == ip->cols) {
1330 ip->curx = 0;
1331 clr_attr(ip, ATTR_INV);
1332 if (++ip->cury >= ip->bottom_margin + 1) {
1333 ip->cury = ip->bottom_margin;
1334 SUBR_CURSOR(ip, MOVE_CURSOR);
1335 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1336 ite_clrtoeol(ip);
1337 } else
1338 SUBR_CURSOR(ip, MOVE_CURSOR);
1339 }
1340 }
1341
1342 static void
1343 itecheckwrap(struct ite_softc *ip)
1344 {
1345 #if 0
1346 if (++ip->curx == ip->cols) {
1347 if (ip->auto_wrap) {
1348 ip->curx = 0;
1349 clr_attr(ip, ATTR_INV);
1350 if (++ip->cury >= ip->bottom_margin + 1) {
1351 ip->cury = ip->bottom_margin;
1352 SUBR_CURSOR(ip, MOVE_CURSOR);
1353 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1354 ite_clrtoeol(ip);
1355 return;
1356 }
1357 } else
1358 /* stay there if no autowrap.. */
1359 ip->curx--;
1360 }
1361 #else
1362 if (ip->curx < ip->cols) {
1363 ip->curx++;
1364 SUBR_CURSOR(ip, MOVE_CURSOR);
1365 }
1366 #endif
1367 }
1368
1369 void
1370 iteputchar(register int c, struct ite_softc *ip)
1371 {
1372 struct tty *kbd_tty;
1373 int n, x, y;
1374 char *cp;
1375
1376 if (kbd_ite == NULL)
1377 kbd_tty = NULL;
1378 else
1379 kbd_tty = kbd_ite->tp;
1380
1381 if (ip->escape) {
1382 switch (ip->escape) {
1383 case ESC:
1384 switch (c) {
1385 /*
1386 * first 7bit equivalents for the
1387 * 8bit control characters
1388 */
1389 case 'D':
1390 c = IND;
1391 ip->escape = 0;
1392 break;
1393 /*
1394 * and fall into the next
1395 * switch below (same for all `break')
1396 */
1397 case 'E':
1398 c = NEL;
1399 ip->escape = 0;
1400 break;
1401 case 'H':
1402 c = HTS;
1403 ip->escape = 0;
1404 break;
1405 case 'M':
1406 c = RI;
1407 ip->escape = 0;
1408 break;
1409 case 'N':
1410 c = SS2;
1411 ip->escape = 0;
1412 break;
1413 case 'O':
1414 c = SS3;
1415 ip->escape = 0;
1416 break;
1417 case 'P':
1418 c = DCS;
1419 ip->escape = 0;
1420 break;
1421 case '[':
1422 c = CSI;
1423 ip->escape = 0;
1424 break;
1425 case '\\':
1426 c = ST;
1427 ip->escape = 0;
1428 break;
1429 case ']':
1430 c = OSC;
1431 ip->escape = 0;
1432 break;
1433 case '^':
1434 c = PM;
1435 ip->escape = 0;
1436 break;
1437 case '_':
1438 c = APC;
1439 ip->escape = 0;
1440 break;
1441 /* introduces 7/8bit control */
1442 case ' ':
1443 /* can be followed by either F or G */
1444 ip->escape = ' ';
1445 break;
1446 /*
1447 * a lot of character set selections, not yet
1448 * used... 94-character sets:
1449 */
1450 case '(': /* G0 */
1451 case ')': /* G1 */
1452 ip->escape = c;
1453 return;
1454 case '*': /* G2 */
1455 case '+': /* G3 */
1456 case 'B': /* ASCII */
1457 case 'A': /* ISO latin 1 */
1458 case '<': /* user preferred suplemental */
1459 case '0': /* dec special graphics */
1460 /*
1461 * 96-character sets:
1462 */
1463 case '-': /* G1 */
1464 case '.': /* G2 */
1465 case '/': /* G3 */
1466 /*
1467 * national character sets:
1468 */
1469 case '4': /* dutch */
1470 case '5':
1471 case 'C': /* finnish */
1472 case 'R': /* french */
1473 case 'Q': /* french canadian */
1474 case 'K': /* german */
1475 case 'Y': /* italian */
1476 case '6': /* norwegian/danish */
1477 /*
1478 * note: %5 and %6 are not supported (two
1479 * chars..)
1480 */
1481 ip->escape = 0;
1482 /* just ignore for now */
1483 return;
1484 /*
1485 * locking shift modes (as you might guess, not
1486 * yet supported..)
1487 */
1488 case '`':
1489 ip->GR = ip->G1;
1490 ip->escape = 0;
1491 return;
1492 case 'n':
1493 ip->GL = ip->G2;
1494 ip->escape = 0;
1495 return;
1496 case '}':
1497 ip->GR = ip->G2;
1498 ip->escape = 0;
1499 return;
1500 case 'o':
1501 ip->GL = ip->G3;
1502 ip->escape = 0;
1503 return;
1504 case '|':
1505 ip->GR = ip->G3;
1506 ip->escape = 0;
1507 return;
1508 case '#':
1509 /* font width/height control */
1510 ip->escape = '#';
1511 return;
1512 case 'c':
1513 /* hard terminal reset .. */
1514 ite_reset(ip);
1515 SUBR_CURSOR(ip, MOVE_CURSOR);
1516 ip->escape = 0;
1517 return;
1518 case '7':
1519 ip->save_curx = ip->curx;
1520 ip->save_cury = ip->cury;
1521 ip->save_attribute = ip->attribute;
1522 ip->escape = 0;
1523 return;
1524 case '8':
1525 ip->curx = ip->save_curx;
1526 ip->cury = ip->save_cury;
1527 ip->attribute = ip->save_attribute;
1528 SUBR_CURSOR(ip, MOVE_CURSOR);
1529 ip->escape = 0;
1530 return;
1531 case '=':
1532 ip->keypad_appmode = 1;
1533 ip->escape = 0;
1534 return;
1535 case '>':
1536 ip->keypad_appmode = 0;
1537 ip->escape = 0;
1538 return;
1539 case 'Z': /* request ID */
1540 /* XXX not clean */
1541 if (ip->emul_level == EMUL_VT100)
1542 ite_sendstr("\033[?61;0c");
1543 else
1544 ite_sendstr("\033[?63;0c");
1545 ip->escape = 0;
1546 return;
1547 default:
1548 /*
1549 * default catch all for not recognized ESC
1550 * sequences
1551 */
1552 ip->escape = 0;
1553 return;
1554 }
1555 break;
1556 case '(':
1557 case ')':
1558 ip->escape = 0;
1559 return;
1560 case ' ':
1561 switch (c) {
1562 case 'F':
1563 ip->eightbit_C1 = 0;
1564 ip->escape = 0;
1565 return;
1566 case 'G':
1567 ip->eightbit_C1 = 1;
1568 ip->escape = 0;
1569 return;
1570 default:
1571 /* not supported */
1572 ip->escape = 0;
1573 return;
1574 }
1575 break;
1576 case '#':
1577 switch (c) {
1578 case '5':
1579 /* single height, single width */
1580 ip->escape = 0;
1581 return;
1582 case '6':
1583 /* double width, single height */
1584 ip->escape = 0;
1585 return;
1586 case '3':
1587 /* top half */
1588 ip->escape = 0;
1589 return;
1590 case '4':
1591 /* bottom half */
1592 ip->escape = 0;
1593 return;
1594 case '8':
1595 /* screen alignment pattern... */
1596 alignment_display(ip);
1597 ip->escape = 0;
1598 return;
1599 default:
1600 ip->escape = 0;
1601 return;
1602 }
1603 break;
1604 case CSI:
1605 /* the biggie... */
1606 switch (c) {
1607 case '0':
1608 case '1':
1609 case '2':
1610 case '3':
1611 case '4':
1612 case '5':
1613 case '6':
1614 case '7':
1615 case '8':
1616 case '9':
1617 case ';':
1618 case '\"':
1619 case '$':
1620 case '>':
1621 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1622 *ip->ap++ = c;
1623 return;
1624 case BS:
1625 /*
1626 * you wouldn't believe such perversion is
1627 * possible? it is.. BS is allowed in between
1628 * cursor sequences (at least), according to
1629 * vttest..
1630 */
1631 if (--ip->curx < 0)
1632 ip->curx = 0;
1633 else
1634 SUBR_CURSOR(ip, MOVE_CURSOR);
1635 break;
1636 case 'p':
1637 *ip->ap = 0;
1638 if (!strncmp(ip->argbuf, "61\"", 3))
1639 ip->emul_level = EMUL_VT100;
1640 else if (!strncmp(ip->argbuf, "63;1\"", 5)
1641 || !strncmp(ip->argbuf, "62;1\"", 5))
1642 ip->emul_level = EMUL_VT300_7;
1643 else
1644 ip->emul_level = EMUL_VT300_8;
1645 ip->escape = 0;
1646 return;
1647 case '?':
1648 *ip->ap = 0;
1649 ip->escape = '?';
1650 ip->ap = ip->argbuf;
1651 return;
1652 case 'c':
1653 *ip->ap = 0;
1654 if (ip->argbuf[0] == '>') {
1655 ite_sendstr("\033[>24;0;0;0c");
1656 } else
1657 switch (ite_zargnum(ip)) {
1658 case 0:
1659 /*
1660 * primary DA request, send
1661 * primary DA response
1662 */
1663 if (ip->emul_level
1664 == EMUL_VT100)
1665 ite_sendstr(
1666 "\033[?1;1c");
1667 else
1668 ite_sendstr(
1669 "\033[?63;1c");
1670 break;
1671 }
1672 ip->escape = 0;
1673 return;
1674 case 'n':
1675 switch (ite_zargnum(ip)) {
1676 case 5:
1677 /* no malfunction */
1678 ite_sendstr("\033[0n");
1679 break;
1680 case 6:
1681 /* cursor position report */
1682 sprintf(ip->argbuf, "\033[%d;%dR",
1683 ip->cury + 1, ip->curx + 1);
1684 ite_sendstr(ip->argbuf);
1685 break;
1686 }
1687 ip->escape = 0;
1688 return;
1689 case 'x':
1690 switch (ite_zargnum(ip)) {
1691 case 0:
1692 /* Fake some terminal parameters. */
1693 ite_sendstr("\033[2;1;1;112;112;1;0x");
1694 break;
1695 case 1:
1696 ite_sendstr("\033[3;1;1;112;112;1;0x");
1697 break;
1698 }
1699 ip->escape = 0;
1700 return;
1701 case 'g':
1702 switch (ite_zargnum(ip)) {
1703 case 0:
1704 if (ip->curx < ip->cols)
1705 ip->tabs[ip->curx] = 0;
1706 break;
1707 case 3:
1708 for (n = 0; n < ip->cols; n++)
1709 ip->tabs[n] = 0;
1710 break;
1711 }
1712 ip->escape = 0;
1713 return;
1714 case 'h':
1715 case 'l':
1716 n = ite_zargnum(ip);
1717 switch (n) {
1718 case 4:
1719 /* insert/replace mode */
1720 ip->imode = (c == 'h');
1721 break;
1722 case 20:
1723 ip->linefeed_newline = (c == 'h');
1724 break;
1725 }
1726 ip->escape = 0;
1727 return;
1728 case 'M':
1729 ite_dnline(ip, ite_argnum(ip));
1730 ip->escape = 0;
1731 return;
1732 case 'L':
1733 ite_inline(ip, ite_argnum(ip));
1734 ip->escape = 0;
1735 return;
1736 case 'P':
1737 ite_dnchar(ip, ite_argnum(ip));
1738 ip->escape = 0;
1739 return;
1740 case '@':
1741 ite_inchar(ip, ite_argnum(ip));
1742 ip->escape = 0;
1743 return;
1744 case 'G':
1745 /*
1746 * this one was *not* in my vt320 manual but in
1747 * a vt320 termcap entry.. who is right? It's
1748 * supposed to set the horizontal cursor
1749 * position.
1750 */
1751 *ip->ap = 0;
1752 x = atoi(ip->argbuf);
1753 if (x)
1754 x--;
1755 ip->curx = min(x, ip->cols - 1);
1756 ip->escape = 0;
1757 SUBR_CURSOR(ip, MOVE_CURSOR);
1758 clr_attr(ip, ATTR_INV);
1759 return;
1760 case 'd':
1761 /*
1762 * same thing here, this one's for setting the
1763 * absolute vertical cursor position. Not
1764 * documented...
1765 */
1766 *ip->ap = 0;
1767 y = atoi(ip->argbuf);
1768 if (y)
1769 y--;
1770 if (ip->inside_margins)
1771 y += ip->top_margin;
1772 ip->cury = min(y, ip->rows - 1);
1773 ip->escape = 0;
1774 snap_cury(ip);
1775 SUBR_CURSOR(ip, MOVE_CURSOR);
1776 clr_attr(ip, ATTR_INV);
1777 return;
1778 case 'H':
1779 case 'f':
1780 *ip->ap = 0;
1781 y = atoi(ip->argbuf);
1782 x = 0;
1783 cp = index(ip->argbuf, ';');
1784 if (cp)
1785 x = atoi(cp + 1);
1786 if (x)
1787 x--;
1788 if (y)
1789 y--;
1790 if (ip->inside_margins)
1791 y += ip->top_margin;
1792 ip->cury = min(y, ip->rows - 1);
1793 ip->curx = min(x, ip->cols - 1);
1794 ip->escape = 0;
1795 snap_cury(ip);
1796 SUBR_CURSOR(ip, MOVE_CURSOR);
1797 clr_attr(ip, ATTR_INV);
1798 return;
1799 case 'A':
1800 n = ite_argnum(ip);
1801 n = ip->cury - (n ? n : 1);
1802 if (n < 0)
1803 n = 0;
1804 if (ip->inside_margins)
1805 n = max(ip->top_margin, n);
1806 else if (n == ip->top_margin - 1)
1807 /*
1808 * allow scrolling outside region, but
1809 * don't scroll out of active region
1810 * without explicit CUP
1811 */
1812 n = ip->top_margin;
1813 ip->cury = n;
1814 ip->escape = 0;
1815 SUBR_CURSOR(ip, MOVE_CURSOR);
1816 clr_attr(ip, ATTR_INV);
1817 return;
1818 case 'B':
1819 n = ite_argnum(ip);
1820 n = ip->cury + (n ? n : 1);
1821 n = min(ip->rows - 1, n);
1822 if (ip->inside_margins)
1823 n = min(ip->bottom_margin, n);
1824 else if (n == ip->bottom_margin + 1)
1825 /*
1826 * allow scrolling outside region, but
1827 * don't scroll out of active region
1828 * without explicit CUP
1829 */
1830 n = ip->bottom_margin;
1831 ip->cury = n;
1832 ip->escape = 0;
1833 SUBR_CURSOR(ip, MOVE_CURSOR);
1834 clr_attr(ip, ATTR_INV);
1835 return;
1836 case 'C':
1837 n = ite_argnum(ip);
1838 n = n ? n : 1;
1839 ip->curx = min(ip->curx + n, ip->cols - 1);
1840 ip->escape = 0;
1841 SUBR_CURSOR(ip, MOVE_CURSOR);
1842 clr_attr(ip, ATTR_INV);
1843 return;
1844 case 'D':
1845 n = ite_argnum(ip);
1846 n = n ? n : 1;
1847 n = ip->curx - n;
1848 ip->curx = n >= 0 ? n : 0;
1849 ip->escape = 0;
1850 SUBR_CURSOR(ip, MOVE_CURSOR);
1851 clr_attr(ip, ATTR_INV);
1852 return;
1853 case 'J':
1854 *ip->ap = 0;
1855 n = ite_zargnum(ip);
1856 if (n == 0)
1857 ite_clrtoeos(ip);
1858 else if (n == 1)
1859 ite_clrtobos(ip);
1860 else if (n == 2)
1861 ite_clrscreen(ip);
1862 ip->escape = 0;
1863 return;
1864 case 'K':
1865 n = ite_zargnum(ip);
1866 if (n == 0)
1867 ite_clrtoeol(ip);
1868 else if (n == 1)
1869 ite_clrtobol(ip);
1870 else if (n == 2)
1871 ite_clrline(ip);
1872 ip->escape = 0;
1873 return;
1874 case 'X':
1875 n = ite_argnum(ip) - 1;
1876 n = min(n, ip->cols - 1 - ip->curx);
1877 for (; n >= 0; n--) {
1878 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1879 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1880 }
1881 ip->escape = 0;
1882 return;
1883 case '}':
1884 case '`':
1885 /* status line control */
1886 ip->escape = 0;
1887 return;
1888 case 'r':
1889 *ip->ap = 0;
1890 x = atoi(ip->argbuf);
1891 x = x ? x : 1;
1892 y = ip->rows;
1893 cp = index(ip->argbuf, ';');
1894 if (cp) {
1895 y = atoi(cp + 1);
1896 y = y ? y : ip->rows;
1897 }
1898 if (y - x < 2) {
1899 /*
1900 * if illegal scrolling region, reset
1901 * to defaults
1902 */
1903 x = 1;
1904 y = ip->rows;
1905 }
1906 x--;
1907 y--;
1908 ip->top_margin = min(x, ip->rows - 1);
1909 ip->bottom_margin = min(y, ip->rows - 1);
1910 if (ip->inside_margins) {
1911 ip->cury = ip->top_margin;
1912 ip->curx = 0;
1913 SUBR_CURSOR(ip, MOVE_CURSOR);
1914 }
1915 ip->escape = 0;
1916 return;
1917 case 'm':
1918 /* big attribute setter/resetter */
1919 { char *cp;
1920 *ip->ap = 0;
1921 /* kludge to make CSIm work (== CSI0m) */
1922 if (ip->ap == ip->argbuf)
1923 ip->ap++;
1924 for (cp = ip->argbuf; cp < ip->ap;) {
1925 switch (*cp) {
1926 case 0:
1927 case '0':
1928 clr_attr(ip, ATTR_ALL);
1929 cp++;
1930 break;
1931
1932 case '1':
1933 set_attr(ip, ATTR_BOLD);
1934 cp++;
1935 break;
1936
1937 case '2':
1938 switch (cp[1]) {
1939 case '2':
1940 clr_attr(ip, ATTR_BOLD);
1941 cp += 2;
1942 break;
1943
1944 case '4':
1945 clr_attr(ip, ATTR_UL);
1946 cp += 2;
1947 break;
1948
1949 case '5':
1950 clr_attr(ip, ATTR_BLINK);
1951 cp += 2;
1952 break;
1953
1954 case '7':
1955 clr_attr(ip, ATTR_INV);
1956 cp += 2;
1957 break;
1958
1959 default:
1960 cp++;
1961 break;
1962 }
1963 break;
1964
1965 case '4':
1966 set_attr(ip, ATTR_UL);
1967 cp++;
1968 break;
1969
1970 case '5':
1971 set_attr(ip, ATTR_BLINK);
1972 cp++;
1973 break;
1974
1975 case '7':
1976 set_attr(ip, ATTR_INV);
1977 cp++;
1978 break;
1979
1980 default:
1981 cp++;
1982 break;
1983 }
1984 }
1985 ip->escape = 0;
1986 return; }
1987 case 'u':
1988 /* DECRQTSR */
1989 ite_sendstr("\033P\033\\");
1990 ip->escape = 0;
1991 return;
1992 default:
1993 ip->escape = 0;
1994 return;
1995 }
1996 break;
1997 case '?': /* CSI ? */
1998 switch (c) {
1999 case '0':
2000 case '1':
2001 case '2':
2002 case '3':
2003 case '4':
2004 case '5':
2005 case '6':
2006 case '7':
2007 case '8':
2008 case '9':
2009 case ';':
2010 case '\"':
2011 case '$':
2012 /*
2013 * Don't fill the last character;
2014 * it's needed.
2015 * XXX yeah, where ??
2016 */
2017 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2018 *ip->ap++ = c;
2019 return;
2020 case 'n':
2021 *ip->ap = 0;
2022 if (ip->ap == &ip->argbuf[2]) {
2023 if (!strncmp(ip->argbuf, "15", 2))
2024 /* printer status: no printer */
2025 ite_sendstr("\033[13n");
2026
2027 else if (!strncmp(ip->argbuf, "25", 2))
2028 /* udk status */
2029 ite_sendstr("\033[20n");
2030
2031 else if (!strncmp(ip->argbuf, "26", 2))
2032 /* keyboard dialect: US */
2033 ite_sendstr("\033[27;1n");
2034 }
2035 ip->escape = 0;
2036 return;
2037 case 'h':
2038 case 'l':
2039 n = ite_zargnum(ip);
2040 switch (n) {
2041 case 1:
2042 ip->cursor_appmode = (c == 'h');
2043 break;
2044 case 3:
2045 /* 132/80 columns (132 == 'h') */
2046 break;
2047 case 4: /* smooth scroll */
2048 break;
2049 case 5:
2050 /*
2051 * light background (=='h') /dark
2052 * background(=='l')
2053 */
2054 break;
2055 case 6: /* origin mode */
2056 ip->inside_margins = (c == 'h');
2057 ip->curx = 0;
2058 ip->cury = ip->inside_margins ?
2059 ip->top_margin : 0;
2060 SUBR_CURSOR(ip, MOVE_CURSOR);
2061 break;
2062 case 7: /* auto wraparound */
2063 ip->auto_wrap = (c == 'h');
2064 break;
2065 case 8: /* keyboard repeat */
2066 ip->key_repeat = (c == 'h');
2067 break;
2068 case 20: /* newline mode */
2069 ip->linefeed_newline = (c == 'h');
2070 break;
2071 case 25: /* cursor on/off */
2072 SUBR_CURSOR(ip, (c == 'h') ?
2073 DRAW_CURSOR : ERASE_CURSOR);
2074 break;
2075 }
2076 ip->escape = 0;
2077 return;
2078 default:
2079 ip->escape = 0;
2080 return;
2081 }
2082 break;
2083 default:
2084 ip->escape = 0;
2085 return;
2086 }
2087 }
2088 switch (c) {
2089 case VT: /* VT is treated like LF */
2090 case FF: /* so is FF */
2091 case LF:
2092 /*
2093 * cr->crlf distinction is done here, on output, not on input!
2094 */
2095 if (ip->linefeed_newline)
2096 ite_crlf(ip);
2097 else
2098 ite_lf(ip);
2099 break;
2100 case CR:
2101 ite_cr(ip);
2102 break;
2103 case BS:
2104 if (--ip->curx < 0)
2105 ip->curx = 0;
2106 else
2107 SUBR_CURSOR(ip, MOVE_CURSOR);
2108 break;
2109 case HT:
2110 for (n = ip->curx + 1; n < ip->cols; n++) {
2111 if (ip->tabs[n]) {
2112 ip->curx = n;
2113 SUBR_CURSOR(ip, MOVE_CURSOR);
2114 break;
2115 }
2116 }
2117 break;
2118 case BEL:
2119 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty
2120 #ifdef DRACO
2121 && !is_draco()
2122 #endif
2123 )
2124 ite_bell();
2125 break;
2126 case SO:
2127 ip->GL = ip->G1;
2128 break;
2129 case SI:
2130 ip->GL = ip->G0;
2131 break;
2132 case ENQ:
2133 /* send answer-back message !! */
2134 break;
2135 case CAN:
2136 ip->escape = 0; /* cancel any escape sequence in progress */
2137 break;
2138 case SUB:
2139 ip->escape = 0; /* dito, but see below */
2140 /* should also display a reverse question mark!! */
2141 break;
2142 case ESC:
2143 ip->escape = ESC;
2144 break;
2145 /*
2146 * now it gets weird.. 8bit control sequences..
2147 */
2148 case IND:
2149 /* index: move cursor down, scroll */
2150 ite_lf(ip);
2151 break;
2152 case NEL:
2153 /* next line. next line, first pos. */
2154 ite_crlf(ip);
2155 break;
2156 case HTS:
2157 /* set horizontal tab */
2158 if (ip->curx < ip->cols)
2159 ip->tabs[ip->curx] = 1;
2160 break;
2161 case RI:
2162 /* reverse index */
2163 ite_rlf(ip);
2164 break;
2165 case SS2:
2166 /* go into G2 for one character */
2167 /* not yet supported */
2168 break;
2169 case SS3:
2170 /* go into G3 for one character */
2171 break;
2172 case DCS:
2173 /* device control string introducer */
2174 ip->escape = DCS;
2175 ip->ap = ip->argbuf;
2176 break;
2177 case CSI:
2178 /* control sequence introducer */
2179 ip->escape = CSI;
2180 ip->ap = ip->argbuf;
2181 break;
2182 case ST:
2183 /* string terminator */
2184 /* ignore, if not used as terminator */
2185 break;
2186 case OSC:
2187 /*
2188 * introduces OS command. Ignore everything
2189 * upto ST
2190 */
2191 ip->escape = OSC;
2192 break;
2193 case PM:
2194 /* privacy message, ignore everything upto ST */
2195 ip->escape = PM;
2196 break;
2197 case APC:
2198 /*
2199 * application program command, ignore * everything upto ST
2200 */
2201 ip->escape = APC;
2202 break;
2203 default:
2204 if ((c & 0x7f) < ' ' || c == DEL)
2205 break;
2206 if (ip->imode)
2207 ite_inchar(ip, 1);
2208 iteprecheckwrap(ip);
2209 #ifdef DO_WEIRD_ATTRIBUTES
2210 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2211 attrset(ip, ATTR_INV);
2212 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2213 } else
2214 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2215 #else
2216 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2217 #endif
2218 SUBR_CURSOR(ip, DRAW_CURSOR);
2219 itecheckwrap(ip);
2220 break;
2221 }
2222 }
2223
2224