ite.c revision 1.56.8.4 1 /* $NetBSD: ite.c,v 1.56.8.4 2002/06/20 03:37:53 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 1.56.8.4 2002/06/20 03:37:53 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 }
646 out:
647 splx(s);
648 }
649
650 int
651 ite_on(dev_t dev, int flag)
652 {
653 struct ite_softc *ip;
654 int unit;
655
656 unit = ITEUNIT(dev);
657 if (((1 << unit) & ite_confunits) == 0)
658 return (ENXIO);
659
660 ip = getitesp(dev);
661
662 /* force ite active, overriding graphics mode */
663 if (flag & 1) {
664 ip->flags |= ITE_ACTIVE;
665 ip->flags &= ~(ITE_INGRF | ITE_INITED);
666 }
667 /* leave graphics mode */
668 if (flag & 2) {
669 ip->flags &= ~ITE_INGRF;
670 if ((ip->flags & ITE_ACTIVE) == 0)
671 return (0);
672 }
673 ip->flags |= ITE_ACTIVE;
674 if (ip->flags & ITE_INGRF)
675 return (0);
676 iteinit(dev);
677 return (0);
678 }
679
680 void
681 ite_off(dev_t dev, int flag)
682 {
683 struct ite_softc *ip;
684
685 ip = getitesp(dev);
686 if (flag & 2)
687 ip->flags |= ITE_INGRF;
688 if ((ip->flags & ITE_ACTIVE) == 0)
689 return;
690 if ((flag & 1) ||
691 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
692 SUBR_DEINIT(ip);
693 /* XXX hmm grfon() I think wants this to go inactive. */
694 if ((flag & 2) == 0)
695 ip->flags &= ~ITE_ACTIVE;
696 }
697
698 /* XXX called after changes made in underlying grf layer. */
699 /* I want to nuke this */
700 void
701 ite_reinit(dev_t dev)
702 {
703 struct ite_softc *ip;
704
705 ip = getitesp(dev);
706 ip->flags &= ~ITE_INITED;
707 iteinit(dev);
708 }
709
710 int
711 ite_param(struct tty *tp, struct termios *t)
712 {
713 tp->t_ispeed = t->c_ispeed;
714 tp->t_ospeed = t->c_ospeed;
715 tp->t_cflag = t->c_cflag;
716 return (0);
717 }
718
719 void
720 ite_reset(struct ite_softc *ip)
721 {
722 int i;
723
724 ip->curx = 0;
725 ip->cury = 0;
726 ip->attribute = ATTR_NOR;
727 ip->save_curx = 0;
728 ip->save_cury = 0;
729 ip->save_attribute = ATTR_NOR;
730 ip->ap = ip->argbuf;
731 ip->emul_level = 0;
732 ip->eightbit_C1 = 0;
733 ip->top_margin = 0;
734 ip->bottom_margin = ip->rows - 1;
735 ip->inside_margins = 0;
736 ip->linefeed_newline = 0;
737 ip->auto_wrap = ite_default_wrap;
738 ip->cursor_appmode = 0;
739 ip->keypad_appmode = 0;
740 ip->imode = 0;
741 ip->key_repeat = 1;
742 bzero(ip->tabs, ip->cols);
743 for (i = 0; i < ip->cols; i++)
744 ip->tabs[i] = ((i & 7) == 0);
745 }
746
747 /*
748 * has to be global becuase of the shared filters.
749 */
750 static u_char key_mod;
751 static u_char last_dead;
752
753 /* Used in console at startup only */
754 int
755 ite_cnfilter(u_char c, enum caller caller)
756 {
757 struct key key;
758 u_char code, up, mask;
759 int s, i;
760
761 up = c & 0x80 ? 1 : 0;
762 c &= 0x7f;
763 code = 0;
764
765 s = spltty();
766
767 i = (int)c - KBD_LEFT_SHIFT;
768 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
769 mask = 1 << i;
770 if (up)
771 key_mod &= ~mask;
772 else
773 key_mod |= mask;
774 splx(s);
775 return -1;
776 }
777
778 if (up) {
779 splx(s);
780 return -1;
781 }
782
783 /* translate modifiers */
784 if (key_mod & KBD_MOD_SHIFT) {
785 if (key_mod & KBD_MOD_ALT)
786 key = kbdmap.alt_shift_keys[c];
787 else
788 key = kbdmap.shift_keys[c];
789 } else if (key_mod & KBD_MOD_ALT)
790 key = kbdmap.alt_keys[c];
791 else {
792 key = kbdmap.keys[c];
793 /* if CAPS and key is CAPable (no pun intended) */
794 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
795 key = kbdmap.shift_keys[c];
796 }
797 code = key.code;
798
799 /* if string return */
800 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
801 splx(s);
802 return -1;
803 }
804 /* handle dead keys */
805 if (key.mode & KBD_MODE_DEAD) {
806 /* if entered twice, send accent itself */
807 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
808 last_dead = 0;
809 else {
810 last_dead = key.mode & KBD_MODE_ACCMASK;
811 splx(s);
812 return -1;
813 }
814 }
815 if (last_dead) {
816 /* can't apply dead flag to string-keys */
817 if (code >= '@' && code < 0x7f)
818 code =
819 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
820 last_dead = 0;
821 }
822 if (key_mod & KBD_MOD_CTRL)
823 code &= 0x1f;
824 if (key_mod & KBD_MOD_META)
825 code |= 0x80;
826
827 /* do console mapping. */
828 code = code == '\r' ? '\n' : code;
829
830 splx(s);
831 return (code);
832 }
833
834 /* And now the old stuff. */
835
836 /* these are used to implement repeating keys.. */
837 static u_char last_char;
838 static u_char tout_pending;
839
840 static struct callout repeat_ch = CALLOUT_INITIALIZER;
841
842 /*ARGSUSED*/
843 static void
844 repeat_handler(void *arg)
845 {
846 tout_pending = 0;
847 if (last_char)
848 ite_filter(last_char, ITEFILT_REPEATER);
849 }
850
851 void
852 ite_filter(u_char c, enum caller caller)
853 {
854 struct tty *kbd_tty;
855 u_char code, *str, up, mask;
856 struct key key;
857 int s, i;
858
859 if (kbd_ite == NULL || kbd_ite->tp == NULL)
860 return;
861
862 kbd_tty = kbd_ite->tp;
863
864 /* have to make sure we're at spltty in here */
865 s = spltty();
866
867 /*
868 * keyboard interrupts come at priority 2, while softint
869 * generated keyboard-repeat interrupts come at level 1. So,
870 * to not allow a key-up event to get thru before a repeat for
871 * the key-down, we remove any outstanding callout requests..
872 rem_sicallback(ite_sifilter);
873 */
874
875 up = c & 0x80 ? 1 : 0;
876 c &= 0x7f;
877 code = 0;
878
879 i = (int)c - KBD_LEFT_SHIFT;
880 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
881 mask = 1 << i;
882 if (up)
883 key_mod &= ~mask;
884 else
885 key_mod |= mask;
886 splx(s);
887 return;
888 }
889 /* stop repeating on up event */
890 if (up) {
891 if (tout_pending) {
892 callout_stop(&repeat_ch);
893 tout_pending = 0;
894 last_char = 0;
895 }
896 splx(s);
897 return;
898 } else if (tout_pending && last_char != c) {
899 /* different character, stop also */
900 callout_stop(&repeat_ch);
901 tout_pending = 0;
902 last_char = 0;
903 }
904 /* Safety button, switch back to ascii keymap. */
905 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
906 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
907
908 splx(s);
909 return;
910 #ifdef DDB
911 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
912 Debugger();
913 splx(s);
914 return;
915 #endif
916 }
917 /* translate modifiers */
918 if (key_mod & KBD_MOD_SHIFT) {
919 if (key_mod & KBD_MOD_ALT)
920 key = kbdmap.alt_shift_keys[c];
921 else
922 key = kbdmap.shift_keys[c];
923 } else if (key_mod & KBD_MOD_ALT)
924 key = kbdmap.alt_keys[c];
925 else {
926 key = kbdmap.keys[c];
927 /* if CAPS and key is CAPable (no pun intended) */
928 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
929 key = kbdmap.shift_keys[c];
930 }
931 code = key.code;
932
933 /*
934 * arrange to repeat the keystroke. By doing this at the level
935 * of scan-codes, we can have function keys, and keys that
936 * send strings, repeat too. This also entitles an additional
937 * overhead, since we have to do the conversion each time, but
938 * I guess that's ok.
939 */
940 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
941 tout_pending = 1;
942 last_char = c;
943 callout_reset(&repeat_ch,
944 start_repeat_timeo * hz / 100, repeat_handler, NULL);
945 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
946 kbd_ite->key_repeat) {
947 tout_pending = 1;
948 last_char = c;
949 callout_reset(&repeat_ch,
950 next_repeat_timeo * hz / 100, repeat_handler, NULL);
951 }
952 /* handle dead keys */
953 if (key.mode & KBD_MODE_DEAD) {
954 /* if entered twice, send accent itself */
955 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
956 last_dead = 0;
957 else {
958 last_dead = key.mode & KBD_MODE_ACCMASK;
959 splx(s);
960 return;
961 }
962 }
963 if (last_dead) {
964 /* can't apply dead flag to string-keys */
965 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
966 code < 0x7f)
967 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
968 last_dead = 0;
969 }
970 /* if not string, apply META and CTRL modifiers */
971 if (!(key.mode & KBD_MODE_STRING)
972 && (!(key.mode & KBD_MODE_KPAD) ||
973 (kbd_ite && !kbd_ite->keypad_appmode))) {
974 if (key_mod & KBD_MOD_CTRL)
975 code &= 0x1f;
976 if (key_mod & KBD_MOD_META)
977 code |= 0x80;
978 } else if ((key.mode & KBD_MODE_KPAD) &&
979 (kbd_ite && kbd_ite->keypad_appmode)) {
980 static char in[] = {
981 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */,
982 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */,
983 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */,
984 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */,
985 0x5c /* / */, 0x5d /* * */
986 };
987 static char *out = "pqrstuvwxymlnMPQRS";
988 char *cp = index (in, c);
989
990 /*
991 * keypad-appmode sends SS3 followed by the above
992 * translated character
993 */
994 kbd_tty->t_linesw->l_rint(27, kbd_tty);
995 kbd_tty->t_linesw->l_rint('O', kbd_tty);
996 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
997 splx(s);
998 return;
999 } else {
1000 /* *NO* I don't like this.... */
1001 static u_char app_cursor[] =
1002 {
1003 3, 27, 'O', 'A',
1004 3, 27, 'O', 'B',
1005 3, 27, 'O', 'C',
1006 3, 27, 'O', 'D'};
1007
1008 str = kbdmap.strings + code;
1009 /*
1010 * if this is a cursor key, AND it has the default
1011 * keymap setting, AND we're in app-cursor mode, switch
1012 * to the above table. This is *nasty* !
1013 */
1014 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
1015 && !bcmp(str, "\x03\x1b[", 3) &&
1016 index("ABCD", str[3]))
1017 str = app_cursor + 4 * (str[3] - 'A');
1018
1019 /*
1020 * using a length-byte instead of 0-termination allows
1021 * to embed \0 into strings, although this is not used
1022 * in the default keymap
1023 */
1024 for (i = *str++; i; i--)
1025 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1026 splx(s);
1027 return;
1028 }
1029 kbd_tty->t_linesw->l_rint(code, kbd_tty);
1030
1031 splx(s);
1032 return;
1033 }
1034
1035 /* helper functions, makes the code below more readable */
1036 inline static void
1037 ite_sendstr(char *str)
1038 {
1039 struct tty *kbd_tty;
1040
1041 kbd_tty = kbd_ite->tp;
1042 KDASSERT(kbd_tty);
1043 while (*str)
1044 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1045 }
1046
1047 static void
1048 alignment_display(struct ite_softc *ip)
1049 {
1050 int i, j;
1051
1052 for (j = 0; j < ip->rows; j++)
1053 for (i = 0; i < ip->cols; i++)
1054 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1055 attrclr(ip, 0, 0, ip->rows, ip->cols);
1056 SUBR_CURSOR(ip, DRAW_CURSOR);
1057 }
1058
1059 inline static void
1060 snap_cury(struct ite_softc *ip)
1061 {
1062 if (ip->inside_margins)
1063 {
1064 if (ip->cury < ip->top_margin)
1065 ip->cury = ip->top_margin;
1066 if (ip->cury > ip->bottom_margin)
1067 ip->cury = ip->bottom_margin;
1068 }
1069 }
1070
1071 inline static void
1072 ite_dnchar(struct ite_softc *ip, int n)
1073 {
1074 n = min(n, ip->cols - ip->curx);
1075 if (n < ip->cols - ip->curx)
1076 {
1077 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1078 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1079 1, ip->cols - ip->curx - n);
1080 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1081 }
1082 while (n-- > 0)
1083 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1084 SUBR_CURSOR(ip, DRAW_CURSOR);
1085 }
1086
1087 inline static void
1088 ite_inchar(struct ite_softc *ip, int n)
1089 {
1090 n = min(n, ip->cols - ip->curx);
1091 if (n < ip->cols - ip->curx)
1092 {
1093 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1094 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1095 1, ip->cols - ip->curx - n);
1096 attrclr(ip, ip->cury, ip->curx, 1, n);
1097 }
1098 while (n--)
1099 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1100 SUBR_CURSOR(ip, DRAW_CURSOR);
1101 }
1102
1103 inline static void
1104 ite_clrtoeol(struct ite_softc *ip)
1105 {
1106 int y = ip->cury, x = ip->curx;
1107 if (ip->cols - x > 0)
1108 {
1109 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1110 attrclr(ip, y, x, 1, ip->cols - x);
1111 SUBR_CURSOR(ip, DRAW_CURSOR);
1112 }
1113 }
1114
1115 inline static void
1116 ite_clrtobol(struct ite_softc *ip)
1117 {
1118 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1119 SUBR_CLEAR(ip, y, 0, 1, x);
1120 attrclr(ip, y, 0, 1, x);
1121 SUBR_CURSOR(ip, DRAW_CURSOR);
1122 }
1123
1124 inline static void
1125 ite_clrline(struct ite_softc *ip)
1126 {
1127 int y = ip->cury;
1128 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1129 attrclr(ip, y, 0, 1, ip->cols);
1130 SUBR_CURSOR(ip, DRAW_CURSOR);
1131 }
1132
1133
1134
1135 inline static void
1136 ite_clrtoeos(struct ite_softc *ip)
1137 {
1138 ite_clrtoeol(ip);
1139 if (ip->cury < ip->rows - 1)
1140 {
1141 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1142 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1143 SUBR_CURSOR(ip, DRAW_CURSOR);
1144 }
1145 }
1146
1147 inline static void
1148 ite_clrtobos(struct ite_softc *ip)
1149 {
1150 ite_clrtobol(ip);
1151 if (ip->cury > 0)
1152 {
1153 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1154 attrclr(ip, 0, 0, ip->cury, ip->cols);
1155 SUBR_CURSOR(ip, DRAW_CURSOR);
1156 }
1157 }
1158
1159 inline static void
1160 ite_clrscreen(struct ite_softc *ip)
1161 {
1162 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1163 attrclr(ip, 0, 0, ip->rows, ip->cols);
1164 SUBR_CURSOR(ip, DRAW_CURSOR);
1165 }
1166
1167
1168
1169 inline static void
1170 ite_dnline(struct ite_softc *ip, int n)
1171 {
1172 /* interesting.. if the cursor is outside the scrolling
1173 region, this command is simply ignored.. */
1174 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1175 return;
1176
1177 n = min(n, ip->bottom_margin + 1 - ip->cury);
1178 if (n <= ip->bottom_margin - ip->cury)
1179 {
1180 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1181 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1182 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1183 }
1184 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1185 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1186 SUBR_CURSOR(ip, DRAW_CURSOR);
1187 }
1188
1189 inline static void
1190 ite_inline(struct ite_softc *ip, int n)
1191 {
1192 /* interesting.. if the cursor is outside the scrolling
1193 region, this command is simply ignored.. */
1194 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1195 return;
1196
1197 n = min(n, ip->bottom_margin + 1 - ip->cury);
1198 if (n <= ip->bottom_margin - ip->cury)
1199 {
1200 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1201 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1202 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1203 }
1204 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1205 attrclr(ip, ip->cury, 0, n, ip->cols);
1206 SUBR_CURSOR(ip, DRAW_CURSOR);
1207 }
1208
1209 inline static void
1210 ite_lf(struct ite_softc *ip)
1211 {
1212 ++ip->cury;
1213 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1214 {
1215 ip->cury--;
1216 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1217 ite_clrline(ip);
1218 }
1219 SUBR_CURSOR(ip, MOVE_CURSOR);
1220 clr_attr(ip, ATTR_INV);
1221 }
1222
1223 inline static void
1224 ite_crlf(struct ite_softc *ip)
1225 {
1226 ip->curx = 0;
1227 ite_lf (ip);
1228 }
1229
1230 inline static void
1231 ite_cr(struct ite_softc *ip)
1232 {
1233 if (ip->curx)
1234 {
1235 ip->curx = 0;
1236 SUBR_CURSOR(ip, MOVE_CURSOR);
1237 }
1238 }
1239
1240 inline static void
1241 ite_rlf(struct ite_softc *ip)
1242 {
1243 ip->cury--;
1244 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1245 {
1246 ip->cury++;
1247 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1248 ite_clrline(ip);
1249 }
1250 SUBR_CURSOR(ip, MOVE_CURSOR);
1251 clr_attr(ip, ATTR_INV);
1252 }
1253
1254 inline static int
1255 atoi(const char *cp)
1256 {
1257 int n;
1258
1259 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1260 n = n * 10 + *cp - '0';
1261
1262 return n;
1263 }
1264
1265 static char *
1266 index(const char *cp, char ch)
1267 {
1268 while (*cp && *cp != ch) cp++;
1269 return *cp ? (char *) cp : 0;
1270 }
1271
1272
1273
1274 inline static int
1275 ite_argnum(struct ite_softc *ip)
1276 {
1277 char ch;
1278 int n;
1279
1280 /* convert argument string into number */
1281 if (ip->ap == ip->argbuf)
1282 return 1;
1283 ch = *ip->ap;
1284 *ip->ap = 0;
1285 n = atoi (ip->argbuf);
1286 *ip->ap = ch;
1287
1288 return n;
1289 }
1290
1291 inline static int
1292 ite_zargnum(struct ite_softc *ip)
1293 {
1294 char ch;
1295 int n;
1296
1297 /* convert argument string into number */
1298 if (ip->ap == ip->argbuf)
1299 return 0;
1300 ch = *ip->ap;
1301 *ip->ap = 0;
1302 n = atoi (ip->argbuf);
1303 *ip->ap = ch;
1304
1305 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1306 }
1307
1308 void
1309 ite_putstr(const char *s, int len, dev_t dev)
1310 {
1311 struct ite_softc *ip;
1312 int i;
1313
1314 ip = getitesp(dev);
1315
1316 /* XXX avoid problems */
1317 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1318 return;
1319
1320 SUBR_CURSOR(ip, START_CURSOROPT);
1321 for (i = 0; i < len; i++)
1322 if (s[i])
1323 iteputchar(s[i], ip);
1324 SUBR_CURSOR(ip, END_CURSOROPT);
1325 }
1326
1327 static void
1328 iteprecheckwrap(struct ite_softc *ip)
1329 {
1330 if (ip->auto_wrap && ip->curx == ip->cols) {
1331 ip->curx = 0;
1332 clr_attr(ip, ATTR_INV);
1333 if (++ip->cury >= ip->bottom_margin + 1) {
1334 ip->cury = ip->bottom_margin;
1335 SUBR_CURSOR(ip, MOVE_CURSOR);
1336 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1337 ite_clrtoeol(ip);
1338 } else
1339 SUBR_CURSOR(ip, MOVE_CURSOR);
1340 }
1341 }
1342
1343 static void
1344 itecheckwrap(struct ite_softc *ip)
1345 {
1346 #if 0
1347 if (++ip->curx == ip->cols) {
1348 if (ip->auto_wrap) {
1349 ip->curx = 0;
1350 clr_attr(ip, ATTR_INV);
1351 if (++ip->cury >= ip->bottom_margin + 1) {
1352 ip->cury = ip->bottom_margin;
1353 SUBR_CURSOR(ip, MOVE_CURSOR);
1354 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1355 ite_clrtoeol(ip);
1356 return;
1357 }
1358 } else
1359 /* stay there if no autowrap.. */
1360 ip->curx--;
1361 }
1362 #else
1363 if (ip->curx < ip->cols) {
1364 ip->curx++;
1365 SUBR_CURSOR(ip, MOVE_CURSOR);
1366 }
1367 #endif
1368 }
1369
1370 void
1371 iteputchar(register int c, struct ite_softc *ip)
1372 {
1373 struct tty *kbd_tty;
1374 int n, x, y;
1375 char *cp;
1376
1377 if (kbd_ite == NULL)
1378 kbd_tty = NULL;
1379 else
1380 kbd_tty = kbd_ite->tp;
1381
1382 if (ip->escape) {
1383 switch (ip->escape) {
1384 case ESC:
1385 switch (c) {
1386 /*
1387 * first 7bit equivalents for the
1388 * 8bit control characters
1389 */
1390 case 'D':
1391 c = IND;
1392 ip->escape = 0;
1393 break;
1394 /*
1395 * and fall into the next
1396 * switch below (same for all `break')
1397 */
1398 case 'E':
1399 c = NEL;
1400 ip->escape = 0;
1401 break;
1402 case 'H':
1403 c = HTS;
1404 ip->escape = 0;
1405 break;
1406 case 'M':
1407 c = RI;
1408 ip->escape = 0;
1409 break;
1410 case 'N':
1411 c = SS2;
1412 ip->escape = 0;
1413 break;
1414 case 'O':
1415 c = SS3;
1416 ip->escape = 0;
1417 break;
1418 case 'P':
1419 c = DCS;
1420 ip->escape = 0;
1421 break;
1422 case '[':
1423 c = CSI;
1424 ip->escape = 0;
1425 break;
1426 case '\\':
1427 c = ST;
1428 ip->escape = 0;
1429 break;
1430 case ']':
1431 c = OSC;
1432 ip->escape = 0;
1433 break;
1434 case '^':
1435 c = PM;
1436 ip->escape = 0;
1437 break;
1438 case '_':
1439 c = APC;
1440 ip->escape = 0;
1441 break;
1442 /* introduces 7/8bit control */
1443 case ' ':
1444 /* can be followed by either F or G */
1445 ip->escape = ' ';
1446 break;
1447 /*
1448 * a lot of character set selections, not yet
1449 * used... 94-character sets:
1450 */
1451 case '(': /* G0 */
1452 case ')': /* G1 */
1453 ip->escape = c;
1454 return;
1455 case '*': /* G2 */
1456 case '+': /* G3 */
1457 case 'B': /* ASCII */
1458 case 'A': /* ISO latin 1 */
1459 case '<': /* user preferred suplemental */
1460 case '0': /* dec special graphics */
1461 /*
1462 * 96-character sets:
1463 */
1464 case '-': /* G1 */
1465 case '.': /* G2 */
1466 case '/': /* G3 */
1467 /*
1468 * national character sets:
1469 */
1470 case '4': /* dutch */
1471 case '5':
1472 case 'C': /* finnish */
1473 case 'R': /* french */
1474 case 'Q': /* french canadian */
1475 case 'K': /* german */
1476 case 'Y': /* italian */
1477 case '6': /* norwegian/danish */
1478 /*
1479 * note: %5 and %6 are not supported (two
1480 * chars..)
1481 */
1482 ip->escape = 0;
1483 /* just ignore for now */
1484 return;
1485 /*
1486 * locking shift modes (as you might guess, not
1487 * yet supported..)
1488 */
1489 case '`':
1490 ip->GR = ip->G1;
1491 ip->escape = 0;
1492 return;
1493 case 'n':
1494 ip->GL = ip->G2;
1495 ip->escape = 0;
1496 return;
1497 case '}':
1498 ip->GR = ip->G2;
1499 ip->escape = 0;
1500 return;
1501 case 'o':
1502 ip->GL = ip->G3;
1503 ip->escape = 0;
1504 return;
1505 case '|':
1506 ip->GR = ip->G3;
1507 ip->escape = 0;
1508 return;
1509 case '#':
1510 /* font width/height control */
1511 ip->escape = '#';
1512 return;
1513 case 'c':
1514 /* hard terminal reset .. */
1515 ite_reset(ip);
1516 SUBR_CURSOR(ip, MOVE_CURSOR);
1517 ip->escape = 0;
1518 return;
1519 case '7':
1520 ip->save_curx = ip->curx;
1521 ip->save_cury = ip->cury;
1522 ip->save_attribute = ip->attribute;
1523 ip->escape = 0;
1524 return;
1525 case '8':
1526 ip->curx = ip->save_curx;
1527 ip->cury = ip->save_cury;
1528 ip->attribute = ip->save_attribute;
1529 SUBR_CURSOR(ip, MOVE_CURSOR);
1530 ip->escape = 0;
1531 return;
1532 case '=':
1533 ip->keypad_appmode = 1;
1534 ip->escape = 0;
1535 return;
1536 case '>':
1537 ip->keypad_appmode = 0;
1538 ip->escape = 0;
1539 return;
1540 case 'Z': /* request ID */
1541 /* XXX not clean */
1542 if (ip->emul_level == EMUL_VT100)
1543 ite_sendstr("\033[?61;0c");
1544 else
1545 ite_sendstr("\033[?63;0c");
1546 ip->escape = 0;
1547 return;
1548 default:
1549 /*
1550 * default catch all for not recognized ESC
1551 * sequences
1552 */
1553 ip->escape = 0;
1554 return;
1555 }
1556 break;
1557 case '(':
1558 case ')':
1559 ip->escape = 0;
1560 return;
1561 case ' ':
1562 switch (c) {
1563 case 'F':
1564 ip->eightbit_C1 = 0;
1565 ip->escape = 0;
1566 return;
1567 case 'G':
1568 ip->eightbit_C1 = 1;
1569 ip->escape = 0;
1570 return;
1571 default:
1572 /* not supported */
1573 ip->escape = 0;
1574 return;
1575 }
1576 break;
1577 case '#':
1578 switch (c) {
1579 case '5':
1580 /* single height, single width */
1581 ip->escape = 0;
1582 return;
1583 case '6':
1584 /* double width, single height */
1585 ip->escape = 0;
1586 return;
1587 case '3':
1588 /* top half */
1589 ip->escape = 0;
1590 return;
1591 case '4':
1592 /* bottom half */
1593 ip->escape = 0;
1594 return;
1595 case '8':
1596 /* screen alignment pattern... */
1597 alignment_display(ip);
1598 ip->escape = 0;
1599 return;
1600 default:
1601 ip->escape = 0;
1602 return;
1603 }
1604 break;
1605 case CSI:
1606 /* the biggie... */
1607 switch (c) {
1608 case '0':
1609 case '1':
1610 case '2':
1611 case '3':
1612 case '4':
1613 case '5':
1614 case '6':
1615 case '7':
1616 case '8':
1617 case '9':
1618 case ';':
1619 case '\"':
1620 case '$':
1621 case '>':
1622 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1623 *ip->ap++ = c;
1624 return;
1625 case BS:
1626 /*
1627 * you wouldn't believe such perversion is
1628 * possible? it is.. BS is allowed in between
1629 * cursor sequences (at least), according to
1630 * vttest..
1631 */
1632 if (--ip->curx < 0)
1633 ip->curx = 0;
1634 else
1635 SUBR_CURSOR(ip, MOVE_CURSOR);
1636 break;
1637 case 'p':
1638 *ip->ap = 0;
1639 if (!strncmp(ip->argbuf, "61\"", 3))
1640 ip->emul_level = EMUL_VT100;
1641 else if (!strncmp(ip->argbuf, "63;1\"", 5)
1642 || !strncmp(ip->argbuf, "62;1\"", 5))
1643 ip->emul_level = EMUL_VT300_7;
1644 else
1645 ip->emul_level = EMUL_VT300_8;
1646 ip->escape = 0;
1647 return;
1648 case '?':
1649 *ip->ap = 0;
1650 ip->escape = '?';
1651 ip->ap = ip->argbuf;
1652 return;
1653 case 'c':
1654 *ip->ap = 0;
1655 if (ip->argbuf[0] == '>') {
1656 ite_sendstr("\033[>24;0;0;0c");
1657 } else
1658 switch (ite_zargnum(ip)) {
1659 case 0:
1660 /*
1661 * primary DA request, send
1662 * primary DA response
1663 */
1664 if (ip->emul_level
1665 == EMUL_VT100)
1666 ite_sendstr(
1667 "\033[?1;1c");
1668 else
1669 ite_sendstr(
1670 "\033[?63;1c");
1671 break;
1672 }
1673 ip->escape = 0;
1674 return;
1675 case 'n':
1676 switch (ite_zargnum(ip)) {
1677 case 5:
1678 /* no malfunction */
1679 ite_sendstr("\033[0n");
1680 break;
1681 case 6:
1682 /* cursor position report */
1683 sprintf(ip->argbuf, "\033[%d;%dR",
1684 ip->cury + 1, ip->curx + 1);
1685 ite_sendstr(ip->argbuf);
1686 break;
1687 }
1688 ip->escape = 0;
1689 return;
1690 case 'x':
1691 switch (ite_zargnum(ip)) {
1692 case 0:
1693 /* Fake some terminal parameters. */
1694 ite_sendstr("\033[2;1;1;112;112;1;0x");
1695 break;
1696 case 1:
1697 ite_sendstr("\033[3;1;1;112;112;1;0x");
1698 break;
1699 }
1700 ip->escape = 0;
1701 return;
1702 case 'g':
1703 switch (ite_zargnum(ip)) {
1704 case 0:
1705 if (ip->curx < ip->cols)
1706 ip->tabs[ip->curx] = 0;
1707 break;
1708 case 3:
1709 for (n = 0; n < ip->cols; n++)
1710 ip->tabs[n] = 0;
1711 break;
1712 }
1713 ip->escape = 0;
1714 return;
1715 case 'h':
1716 case 'l':
1717 n = ite_zargnum(ip);
1718 switch (n) {
1719 case 4:
1720 /* insert/replace mode */
1721 ip->imode = (c == 'h');
1722 break;
1723 case 20:
1724 ip->linefeed_newline = (c == 'h');
1725 break;
1726 }
1727 ip->escape = 0;
1728 return;
1729 case 'M':
1730 ite_dnline(ip, ite_argnum(ip));
1731 ip->escape = 0;
1732 return;
1733 case 'L':
1734 ite_inline(ip, ite_argnum(ip));
1735 ip->escape = 0;
1736 return;
1737 case 'P':
1738 ite_dnchar(ip, ite_argnum(ip));
1739 ip->escape = 0;
1740 return;
1741 case '@':
1742 ite_inchar(ip, ite_argnum(ip));
1743 ip->escape = 0;
1744 return;
1745 case 'G':
1746 /*
1747 * this one was *not* in my vt320 manual but in
1748 * a vt320 termcap entry.. who is right? It's
1749 * supposed to set the horizontal cursor
1750 * position.
1751 */
1752 *ip->ap = 0;
1753 x = atoi(ip->argbuf);
1754 if (x)
1755 x--;
1756 ip->curx = min(x, ip->cols - 1);
1757 ip->escape = 0;
1758 SUBR_CURSOR(ip, MOVE_CURSOR);
1759 clr_attr(ip, ATTR_INV);
1760 return;
1761 case 'd':
1762 /*
1763 * same thing here, this one's for setting the
1764 * absolute vertical cursor position. Not
1765 * documented...
1766 */
1767 *ip->ap = 0;
1768 y = atoi(ip->argbuf);
1769 if (y)
1770 y--;
1771 if (ip->inside_margins)
1772 y += ip->top_margin;
1773 ip->cury = min(y, ip->rows - 1);
1774 ip->escape = 0;
1775 snap_cury(ip);
1776 SUBR_CURSOR(ip, MOVE_CURSOR);
1777 clr_attr(ip, ATTR_INV);
1778 return;
1779 case 'H':
1780 case 'f':
1781 *ip->ap = 0;
1782 y = atoi(ip->argbuf);
1783 x = 0;
1784 cp = index(ip->argbuf, ';');
1785 if (cp)
1786 x = atoi(cp + 1);
1787 if (x)
1788 x--;
1789 if (y)
1790 y--;
1791 if (ip->inside_margins)
1792 y += ip->top_margin;
1793 ip->cury = min(y, ip->rows - 1);
1794 ip->curx = min(x, ip->cols - 1);
1795 ip->escape = 0;
1796 snap_cury(ip);
1797 SUBR_CURSOR(ip, MOVE_CURSOR);
1798 clr_attr(ip, ATTR_INV);
1799 return;
1800 case 'A':
1801 n = ite_argnum(ip);
1802 n = ip->cury - (n ? n : 1);
1803 if (n < 0)
1804 n = 0;
1805 if (ip->inside_margins)
1806 n = max(ip->top_margin, n);
1807 else if (n == ip->top_margin - 1)
1808 /*
1809 * allow scrolling outside region, but
1810 * don't scroll out of active region
1811 * without explicit CUP
1812 */
1813 n = ip->top_margin;
1814 ip->cury = n;
1815 ip->escape = 0;
1816 SUBR_CURSOR(ip, MOVE_CURSOR);
1817 clr_attr(ip, ATTR_INV);
1818 return;
1819 case 'B':
1820 n = ite_argnum(ip);
1821 n = ip->cury + (n ? n : 1);
1822 n = min(ip->rows - 1, n);
1823 if (ip->inside_margins)
1824 n = min(ip->bottom_margin, n);
1825 else if (n == ip->bottom_margin + 1)
1826 /*
1827 * allow scrolling outside region, but
1828 * don't scroll out of active region
1829 * without explicit CUP
1830 */
1831 n = ip->bottom_margin;
1832 ip->cury = n;
1833 ip->escape = 0;
1834 SUBR_CURSOR(ip, MOVE_CURSOR);
1835 clr_attr(ip, ATTR_INV);
1836 return;
1837 case 'C':
1838 n = ite_argnum(ip);
1839 n = n ? n : 1;
1840 ip->curx = min(ip->curx + n, ip->cols - 1);
1841 ip->escape = 0;
1842 SUBR_CURSOR(ip, MOVE_CURSOR);
1843 clr_attr(ip, ATTR_INV);
1844 return;
1845 case 'D':
1846 n = ite_argnum(ip);
1847 n = n ? n : 1;
1848 n = ip->curx - n;
1849 ip->curx = n >= 0 ? n : 0;
1850 ip->escape = 0;
1851 SUBR_CURSOR(ip, MOVE_CURSOR);
1852 clr_attr(ip, ATTR_INV);
1853 return;
1854 case 'J':
1855 *ip->ap = 0;
1856 n = ite_zargnum(ip);
1857 if (n == 0)
1858 ite_clrtoeos(ip);
1859 else if (n == 1)
1860 ite_clrtobos(ip);
1861 else if (n == 2)
1862 ite_clrscreen(ip);
1863 ip->escape = 0;
1864 return;
1865 case 'K':
1866 n = ite_zargnum(ip);
1867 if (n == 0)
1868 ite_clrtoeol(ip);
1869 else if (n == 1)
1870 ite_clrtobol(ip);
1871 else if (n == 2)
1872 ite_clrline(ip);
1873 ip->escape = 0;
1874 return;
1875 case 'X':
1876 n = ite_argnum(ip) - 1;
1877 n = min(n, ip->cols - 1 - ip->curx);
1878 for (; n >= 0; n--) {
1879 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1880 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1881 }
1882 ip->escape = 0;
1883 return;
1884 case '}':
1885 case '`':
1886 /* status line control */
1887 ip->escape = 0;
1888 return;
1889 case 'r':
1890 *ip->ap = 0;
1891 x = atoi(ip->argbuf);
1892 x = x ? x : 1;
1893 y = ip->rows;
1894 cp = index(ip->argbuf, ';');
1895 if (cp) {
1896 y = atoi(cp + 1);
1897 y = y ? y : ip->rows;
1898 }
1899 if (y - x < 2) {
1900 /*
1901 * if illegal scrolling region, reset
1902 * to defaults
1903 */
1904 x = 1;
1905 y = ip->rows;
1906 }
1907 x--;
1908 y--;
1909 ip->top_margin = min(x, ip->rows - 1);
1910 ip->bottom_margin = min(y, ip->rows - 1);
1911 if (ip->inside_margins) {
1912 ip->cury = ip->top_margin;
1913 ip->curx = 0;
1914 SUBR_CURSOR(ip, MOVE_CURSOR);
1915 }
1916 ip->escape = 0;
1917 return;
1918 case 'm':
1919 /* big attribute setter/resetter */
1920 { char *cp;
1921 *ip->ap = 0;
1922 /* kludge to make CSIm work (== CSI0m) */
1923 if (ip->ap == ip->argbuf)
1924 ip->ap++;
1925 for (cp = ip->argbuf; cp < ip->ap;) {
1926 switch (*cp) {
1927 case 0:
1928 case '0':
1929 clr_attr(ip, ATTR_ALL);
1930 cp++;
1931 break;
1932
1933 case '1':
1934 set_attr(ip, ATTR_BOLD);
1935 cp++;
1936 break;
1937
1938 case '2':
1939 switch (cp[1]) {
1940 case '2':
1941 clr_attr(ip, ATTR_BOLD);
1942 cp += 2;
1943 break;
1944
1945 case '4':
1946 clr_attr(ip, ATTR_UL);
1947 cp += 2;
1948 break;
1949
1950 case '5':
1951 clr_attr(ip, ATTR_BLINK);
1952 cp += 2;
1953 break;
1954
1955 case '7':
1956 clr_attr(ip, ATTR_INV);
1957 cp += 2;
1958 break;
1959
1960 default:
1961 cp++;
1962 break;
1963 }
1964 break;
1965
1966 case '4':
1967 set_attr(ip, ATTR_UL);
1968 cp++;
1969 break;
1970
1971 case '5':
1972 set_attr(ip, ATTR_BLINK);
1973 cp++;
1974 break;
1975
1976 case '7':
1977 set_attr(ip, ATTR_INV);
1978 cp++;
1979 break;
1980
1981 default:
1982 cp++;
1983 break;
1984 }
1985 }
1986 ip->escape = 0;
1987 return; }
1988 case 'u':
1989 /* DECRQTSR */
1990 ite_sendstr("\033P\033\\");
1991 ip->escape = 0;
1992 return;
1993 default:
1994 ip->escape = 0;
1995 return;
1996 }
1997 break;
1998 case '?': /* CSI ? */
1999 switch (c) {
2000 case '0':
2001 case '1':
2002 case '2':
2003 case '3':
2004 case '4':
2005 case '5':
2006 case '6':
2007 case '7':
2008 case '8':
2009 case '9':
2010 case ';':
2011 case '\"':
2012 case '$':
2013 /*
2014 * Don't fill the last character;
2015 * it's needed.
2016 * XXX yeah, where ??
2017 */
2018 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2019 *ip->ap++ = c;
2020 return;
2021 case 'n':
2022 *ip->ap = 0;
2023 if (ip->ap == &ip->argbuf[2]) {
2024 if (!strncmp(ip->argbuf, "15", 2))
2025 /* printer status: no printer */
2026 ite_sendstr("\033[13n");
2027
2028 else if (!strncmp(ip->argbuf, "25", 2))
2029 /* udk status */
2030 ite_sendstr("\033[20n");
2031
2032 else if (!strncmp(ip->argbuf, "26", 2))
2033 /* keyboard dialect: US */
2034 ite_sendstr("\033[27;1n");
2035 }
2036 ip->escape = 0;
2037 return;
2038 case 'h':
2039 case 'l':
2040 n = ite_zargnum(ip);
2041 switch (n) {
2042 case 1:
2043 ip->cursor_appmode = (c == 'h');
2044 break;
2045 case 3:
2046 /* 132/80 columns (132 == 'h') */
2047 break;
2048 case 4: /* smooth scroll */
2049 break;
2050 case 5:
2051 /*
2052 * light background (=='h') /dark
2053 * background(=='l')
2054 */
2055 break;
2056 case 6: /* origin mode */
2057 ip->inside_margins = (c == 'h');
2058 ip->curx = 0;
2059 ip->cury = ip->inside_margins ?
2060 ip->top_margin : 0;
2061 SUBR_CURSOR(ip, MOVE_CURSOR);
2062 break;
2063 case 7: /* auto wraparound */
2064 ip->auto_wrap = (c == 'h');
2065 break;
2066 case 8: /* keyboard repeat */
2067 ip->key_repeat = (c == 'h');
2068 break;
2069 case 20: /* newline mode */
2070 ip->linefeed_newline = (c == 'h');
2071 break;
2072 case 25: /* cursor on/off */
2073 SUBR_CURSOR(ip, (c == 'h') ?
2074 DRAW_CURSOR : ERASE_CURSOR);
2075 break;
2076 }
2077 ip->escape = 0;
2078 return;
2079 default:
2080 ip->escape = 0;
2081 return;
2082 }
2083 break;
2084 default:
2085 ip->escape = 0;
2086 return;
2087 }
2088 }
2089 switch (c) {
2090 case VT: /* VT is treated like LF */
2091 case FF: /* so is FF */
2092 case LF:
2093 /*
2094 * cr->crlf distinction is done here, on output, not on input!
2095 */
2096 if (ip->linefeed_newline)
2097 ite_crlf(ip);
2098 else
2099 ite_lf(ip);
2100 break;
2101 case CR:
2102 ite_cr(ip);
2103 break;
2104 case BS:
2105 if (--ip->curx < 0)
2106 ip->curx = 0;
2107 else
2108 SUBR_CURSOR(ip, MOVE_CURSOR);
2109 break;
2110 case HT:
2111 for (n = ip->curx + 1; n < ip->cols; n++) {
2112 if (ip->tabs[n]) {
2113 ip->curx = n;
2114 SUBR_CURSOR(ip, MOVE_CURSOR);
2115 break;
2116 }
2117 }
2118 break;
2119 case BEL:
2120 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty
2121 #ifdef DRACO
2122 && !is_draco()
2123 #endif
2124 )
2125 ite_bell();
2126 break;
2127 case SO:
2128 ip->GL = ip->G1;
2129 break;
2130 case SI:
2131 ip->GL = ip->G0;
2132 break;
2133 case ENQ:
2134 /* send answer-back message !! */
2135 break;
2136 case CAN:
2137 ip->escape = 0; /* cancel any escape sequence in progress */
2138 break;
2139 case SUB:
2140 ip->escape = 0; /* dito, but see below */
2141 /* should also display a reverse question mark!! */
2142 break;
2143 case ESC:
2144 ip->escape = ESC;
2145 break;
2146 /*
2147 * now it gets weird.. 8bit control sequences..
2148 */
2149 case IND:
2150 /* index: move cursor down, scroll */
2151 ite_lf(ip);
2152 break;
2153 case NEL:
2154 /* next line. next line, first pos. */
2155 ite_crlf(ip);
2156 break;
2157 case HTS:
2158 /* set horizontal tab */
2159 if (ip->curx < ip->cols)
2160 ip->tabs[ip->curx] = 1;
2161 break;
2162 case RI:
2163 /* reverse index */
2164 ite_rlf(ip);
2165 break;
2166 case SS2:
2167 /* go into G2 for one character */
2168 /* not yet supported */
2169 break;
2170 case SS3:
2171 /* go into G3 for one character */
2172 break;
2173 case DCS:
2174 /* device control string introducer */
2175 ip->escape = DCS;
2176 ip->ap = ip->argbuf;
2177 break;
2178 case CSI:
2179 /* control sequence introducer */
2180 ip->escape = CSI;
2181 ip->ap = ip->argbuf;
2182 break;
2183 case ST:
2184 /* string terminator */
2185 /* ignore, if not used as terminator */
2186 break;
2187 case OSC:
2188 /*
2189 * introduces OS command. Ignore everything
2190 * upto ST
2191 */
2192 ip->escape = OSC;
2193 break;
2194 case PM:
2195 /* privacy message, ignore everything upto ST */
2196 ip->escape = PM;
2197 break;
2198 case APC:
2199 /*
2200 * application program command, ignore * everything upto ST
2201 */
2202 ip->escape = APC;
2203 break;
2204 default:
2205 if ((c & 0x7f) < ' ' || c == DEL)
2206 break;
2207 if (ip->imode)
2208 ite_inchar(ip, 1);
2209 iteprecheckwrap(ip);
2210 #ifdef DO_WEIRD_ATTRIBUTES
2211 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2212 attrset(ip, ATTR_INV);
2213 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2214 } else
2215 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2216 #else
2217 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2218 #endif
2219 SUBR_CURSOR(ip, DRAW_CURSOR);
2220 itecheckwrap(ip);
2221 break;
2222 }
2223 }
2224
2225