ite.c revision 1.94 1 /* $NetBSD: ite.c,v 1.94 2012/10/27 17:17:29 chs 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. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * from: Utah Hdr: ite.c 1.1 90/07/09
37 * @(#)ite.c 7.6 (Berkeley) 5/16/91
38 */
39
40 /*
41 * ite - bitmaped terminal.
42 * Supports VT200, a few terminal features will be unavailable until
43 * the system actually probes the device (i.e. not after consinit())
44 */
45
46 #include "opt_ddb.h"
47
48 #include <sys/cdefs.h>
49 __KERNEL_RCSID(0, "$NetBSD: ite.c,v 1.94 2012/10/27 17:17:29 chs Exp $");
50
51 #include <sys/param.h>
52 #include <sys/kernel.h>
53 #include <sys/device.h>
54 #include <sys/fcntl.h>
55 #include <sys/malloc.h>
56 #include <sys/ioctl.h>
57 #include <sys/tty.h>
58 #include <sys/termios.h>
59 #include <sys/systm.h>
60 #include <sys/callout.h>
61 #include <sys/proc.h>
62 #include <dev/cons.h>
63 #include <sys/kauth.h>
64 #include <amiga/amiga/cc.h>
65 #include <amiga/amiga/color.h> /* DEBUG */
66 #include <amiga/amiga/custom.h> /* DEBUG */
67 #include <amiga/amiga/device.h>
68 #include <amiga/amiga/isr.h>
69 #include <amiga/dev/iteioctl.h>
70 #include <amiga/dev/itevar.h>
71 #include <amiga/dev/kbdmap.h>
72 #include <amiga/dev/grfioctl.h>
73 #include <amiga/dev/grfvar.h>
74
75 #include <machine/cpu.h> /* for is_draco() */
76
77 #include <sys/conf.h>
78
79 #include "grfcc.h"
80 #include "ite.h"
81
82 /*
83 * XXX go ask sys/kern/tty.c:ttselect()
84 */
85
86 #define ITEUNIT(dev) (minor(dev))
87
88 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
89 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
90 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
91 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
92 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
93 #define SUBR_SCROLL(ip,sy,sx,count,dir) \
94 (ip)->grf->g_itescroll(ip,sy,sx,count,dir)
95
96 int start_repeat_timeo = 30; /* first repeat after x s/100 */
97 int next_repeat_timeo = 10; /* next repeat after x s/100 */
98
99 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
100
101 struct ite_softc con_itesoftc;
102 u_char cons_tabs[MAX_TABS];
103
104 struct ite_softc *kbd_ite;
105
106 /* audio bell stuff */
107 u_int bvolume = 10;
108 u_int bpitch = 660;
109 u_int bmsec = 75;
110
111 static char *bsamplep;
112 static char sample[20] = {
113 0,39,75,103,121,127,121,103,75,39,0,
114 -39,-75,-103,-121,-127,-121,-103,-75,-39
115 };
116
117 static callout_t repeat_ch;
118
119 void iteputchar(int c, struct ite_softc *ip);
120 void ite_putstr(const char * s, int len, dev_t dev);
121 void iteattach(device_t, device_t, void *);
122 int itematch(device_t, cfdata_t, void *);
123 static void iteprecheckwrap(struct ite_softc *);
124 static void itecheckwrap(struct ite_softc *);
125 struct ite_softc *getitesp(dev_t);
126 void init_bell(void);
127 void ite_bell(void);
128 void itecnpollc(dev_t, int);
129 static void repeat_handler(void *);
130 inline static void ite_sendstr(const char *);
131 static void alignment_display(struct ite_softc *);
132 inline static void snap_cury(struct ite_softc *);
133 inline static void ite_dnchar(struct ite_softc *, int);
134 inline static void ite_inchar(struct ite_softc *, int);
135 inline static void ite_clrtoeol(struct ite_softc *);
136 inline static void ite_clrtobol(struct ite_softc *);
137 inline static void ite_clrline(struct ite_softc *);
138 inline static void ite_clrtoeos(struct ite_softc *);
139 inline static void ite_clrtobos(struct ite_softc *);
140 inline static void ite_clrscreen(struct ite_softc *);
141 inline static void ite_dnline(struct ite_softc *, int);
142 inline static void ite_inline(struct ite_softc *, int);
143 inline static void ite_lf(struct ite_softc *);
144 inline static void ite_crlf(struct ite_softc *);
145 inline static void ite_cr(struct ite_softc *);
146 inline static void ite_rlf(struct ite_softc *);
147 inline static int atoi(const char *);
148 inline static int ite_argnum(struct ite_softc *);
149 inline static int ite_zargnum(struct ite_softc *);
150
151 CFATTACH_DECL_NEW(ite, sizeof(struct ite_softc),
152 itematch, iteattach, NULL, NULL);
153
154 extern struct cfdriver ite_cd;
155
156 dev_type_open(iteopen);
157 dev_type_close(iteclose);
158 dev_type_read(iteread);
159 dev_type_write(itewrite);
160 dev_type_ioctl(iteioctl);
161 dev_type_tty(itetty);
162 dev_type_poll(itepoll);
163
164 const struct cdevsw ite_cdevsw = {
165 iteopen, iteclose, iteread, itewrite, iteioctl,
166 nostop, itetty, itepoll, nommap, ttykqfilter, D_TTY
167 };
168
169 int
170 itematch(device_t parent, cfdata_t cf, void *aux)
171 {
172 struct grf_softc *gp;
173 int maj;
174
175 gp = aux;
176
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 maj = cdevsw_lookup_major(&ite_cdevsw);
184 gp->g_itedev = makedev(maj, cf->cf_unit);
185 return(1);
186 }
187
188 void
189 iteattach(device_t parent, device_t self, void *aux)
190 {
191 struct grf_softc *gp;
192 struct ite_softc *ip;
193 int s;
194
195 gp = aux;
196 if (self) {
197 ip = device_private(self);
198
199 s = spltty();
200 if (con_itesoftc.grf != NULL &&
201 con_itesoftc.grf->g_unit == gp->g_unit) {
202 /*
203 * console reinit copy params over.
204 * and console always gets keyboard
205 */
206 memcpy(&ip->grf, &con_itesoftc.grf,
207 (char *)&ip[1] - (char *)&ip->grf);
208 con_itesoftc.grf = NULL;
209 kbd_ite = ip;
210 }
211 ip->grf = gp;
212 splx(s);
213
214 iteinit(gp->g_itedev);
215 printf(": rows %d cols %d", ip->rows, ip->cols);
216 printf(" repeat at (%d/100)s next at (%d/100)s",
217 start_repeat_timeo, next_repeat_timeo);
218
219 if (kbd_ite == NULL)
220 kbd_ite = ip;
221 if (kbd_ite == ip)
222 printf(" has keyboard");
223 printf("\n");
224 ip->flags |= ITE_ATTACHED;
225 } else {
226 if (con_itesoftc.grf != NULL &&
227 con_itesoftc.grf->g_conpri > gp->g_conpri)
228 return;
229 con_itesoftc.grf = gp;
230 con_itesoftc.tabs = cons_tabs;
231 }
232 }
233
234 struct ite_softc *
235 getitesp(dev_t dev)
236 {
237 if (amiga_realconfig && con_itesoftc.grf == NULL)
238 return(device_lookup_private(&ite_cd, ITEUNIT(dev)));
239
240 if (con_itesoftc.grf == NULL)
241 panic("no ite_softc for console");
242 return(&con_itesoftc);
243 }
244
245 /*
246 * cons.c entry points into ite device.
247 */
248
249 /*
250 * Return a priority in consdev->cn_pri field highest wins. This function
251 * is called before any devices have been probed.
252 */
253 void
254 itecnprobe(struct consdev *cd)
255 {
256 /*
257 * return priority of the best ite (already picked from attach)
258 * or CN_DEAD.
259 */
260 if (con_itesoftc.grf == NULL)
261 cd->cn_pri = CN_DEAD;
262 else {
263 cd->cn_pri = con_itesoftc.grf->g_conpri;
264 cd->cn_dev = con_itesoftc.grf->g_itedev;
265 }
266 }
267
268 /* audio bell stuff */
269 void
270 init_bell(void)
271 {
272 if (bsamplep != NULL)
273 return;
274 bsamplep = alloc_chipmem(20);
275 if (bsamplep == NULL)
276 panic("no chipmem for ite_bell");
277
278 memcpy(bsamplep, sample, 20);
279 }
280
281 void
282 ite_bell(void)
283 {
284 u_int clock;
285 u_int period;
286 u_int count;
287
288 clock = 3579545; /* PAL 3546895 */
289
290 /*
291 * the number of clock ticks per sample byte must be > 124
292 * ergo bpitch must be < clock / 124*20
293 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously
294 */
295 period = clock / (bpitch * 20);
296 count = bmsec * bpitch / 1000;
297
298 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count);
299 }
300
301 void
302 itecninit(struct consdev *cd)
303 {
304 struct ite_softc *ip;
305
306 ip = getitesp(cd->cn_dev);
307 iteinit(cd->cn_dev);
308 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
309
310 #ifdef DRACO
311 if (!is_draco())
312 #endif
313 init_bell();
314 }
315
316 /*
317 * ite_cnfinish() is called in ite_init() when the device is
318 * being probed in the normal fasion, thus we can finish setting
319 * up this ite now that the system is more functional.
320 */
321 void
322 ite_cnfinish(struct ite_softc *ip)
323 {
324 static int done;
325
326 if (done)
327 return;
328 done = 1;
329 }
330
331 int
332 itecngetc(dev_t dev)
333 {
334 int c;
335
336 /* XXX this should be moved */
337 kbdenable();
338 do {
339 c = kbdgetcn();
340 c = ite_cnfilter(c, ITEFILT_CONSOLE);
341 } while (c == -1);
342 return (c);
343 }
344
345 void
346 itecnputc(dev_t dev, int c)
347 {
348 static int paniced;
349 struct ite_softc *ip;
350 char ch;
351
352 ip = getitesp(dev);
353 ch = c;
354
355 if (panicstr && !paniced &&
356 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
357 ite_on(dev, 3);
358 paniced = 1;
359 }
360 iteputchar(ch, ip);
361 }
362
363 void
364 itecnpollc(dev_t dev, int on)
365 {
366 }
367
368 /*
369 * standard entry points to the device.
370 */
371
372 /*
373 * iteinit() is the standard entry point for initialization of
374 * an ite device, it is also called from ite_cninit().
375 *
376 */
377 void
378 iteinit(dev_t dev)
379 {
380 struct ite_softc *ip;
381 static int kbdmap_loaded = 0;
382
383 ip = getitesp(dev);
384 if (ip->flags & ITE_INITED)
385 return;
386 if (kbdmap_loaded == 0) {
387 memcpy(&kbdmap, &ascii_kbdmap, sizeof(struct kbdmap));
388 kbdmap_loaded = 1;
389 }
390
391 callout_init(&repeat_ch, 0);
392
393 ip->cursorx = 0;
394 ip->cursory = 0;
395 if (ip->grf->g_iteinit == NULL)
396 return; /* grf has no console */
397 SUBR_INIT(ip);
398 SUBR_CURSOR(ip, DRAW_CURSOR);
399 if (ip->tabs == NULL)
400 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
401 ite_reset(ip);
402 ip->flags |= ITE_INITED;
403 }
404
405 int
406 iteopen(dev_t dev, int mode, int devtype, struct lwp *l)
407 {
408 struct ite_softc *ip;
409 struct tty *tp;
410 int error, first, unit;
411
412 unit = ITEUNIT(dev);
413 first = 0;
414
415 if (unit >= ite_cd.cd_ndevs)
416 return ENXIO;
417 ip = getitesp(dev);
418 if (ip == NULL)
419 return ENXIO;
420 if ((ip->flags & ITE_ATTACHED) == 0)
421 return ENXIO;
422
423 if (ip->tp == NULL) {
424 tp = ip->tp = tty_alloc();
425 tty_attach(tp);
426 } else
427 tp = ip->tp;
428
429 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp))
430 return (EBUSY);
431
432 if ((ip->flags & ITE_ACTIVE) == 0) {
433 ite_on(dev, 0);
434 first = 1;
435 }
436 tp->t_oproc = itestart;
437 tp->t_param = ite_param;
438 tp->t_dev = dev;
439 if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) {
440 ttychars(tp);
441 tp->t_iflag = TTYDEF_IFLAG;
442 tp->t_oflag = TTYDEF_OFLAG;
443 tp->t_cflag = TTYDEF_CFLAG;
444 tp->t_lflag = TTYDEF_LFLAG;
445 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
446 tp->t_state = TS_CARR_ON;
447 ttsetwater(tp);
448 }
449 error = ttyopen(tp, 0, mode & O_NONBLOCK);
450 if (error)
451 goto bad;
452
453 error = tp->t_linesw->l_open(dev, tp);
454 if (error)
455 goto bad;
456
457 tp->t_winsize.ws_row = ip->rows;
458 tp->t_winsize.ws_col = ip->cols;
459 kbdenable();
460 return (0);
461 bad:
462 if (first)
463 ite_off(dev, 0);
464 return (error);
465 }
466
467 int
468 iteclose(dev_t dev, int flag, int mode, struct lwp *l)
469 {
470 struct tty *tp;
471
472 tp = getitesp(dev)->tp;
473
474 KDASSERT(tp);
475 tp->t_linesw->l_close(tp, flag);
476 ttyclose(tp);
477 ite_off(dev, 0);
478 return (0);
479 }
480
481 int
482 iteread(dev_t dev, struct uio *uio, int flag)
483 {
484 struct tty *tp;
485
486 tp = getitesp(dev)->tp;
487
488 KDASSERT(tp);
489 return tp->t_linesw->l_read(tp, uio, flag);
490 }
491
492 int
493 itewrite(dev_t dev, struct uio *uio, int flag)
494 {
495 struct tty *tp;
496
497 tp = getitesp(dev)->tp;
498
499 KDASSERT(tp);
500 return tp->t_linesw->l_write(tp, uio, flag);
501 }
502
503 int
504 itepoll(dev_t dev, int events, struct lwp *l)
505 {
506 struct tty *tp;
507
508 tp = getitesp(dev)->tp;
509
510 KDASSERT(tp);
511 return ((*tp->t_linesw->l_poll)(tp, events, l));
512 }
513
514 struct tty *
515 itetty(dev_t dev)
516 {
517 return (getitesp(dev)->tp);
518 }
519
520 int
521 iteioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l)
522 {
523 struct iterepeat *irp;
524 struct ite_softc *ip;
525 struct itebell *ib;
526 struct tty *tp;
527 int error;
528
529 ip = getitesp(dev);
530 tp = ip->tp;
531
532 KDASSERT(tp);
533
534 error = tp->t_linesw->l_ioctl(tp, cmd, addr, flag, l);
535 if (error != EPASSTHROUGH)
536 return (error);
537 error = ttioctl(tp, cmd, addr, flag, l);
538 if (error != EPASSTHROUGH)
539 return (error);
540
541 switch (cmd) {
542 case ITEIOCGBELL:
543 ib = (struct itebell *)addr;
544 ib->volume = bvolume;
545 ib->pitch = bpitch;
546 ib->msec = bmsec;
547 return (0);
548 case ITEIOCSBELL:
549 ib = (struct itebell *)addr;
550
551 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH ||
552 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME)
553 return (EINVAL);
554 bvolume = ib->volume;
555 bpitch = ib->pitch;
556 bmsec = ib->msec;
557 return (0);
558 case ITEIOCSKMAP:
559 if (addr == 0)
560 return(EFAULT);
561 memcpy(&kbdmap, addr, sizeof(struct kbdmap));
562 return(0);
563 case ITEIOCGKMAP:
564 if (addr == NULL)
565 return(EFAULT);
566 memcpy(addr, &kbdmap, sizeof(struct kbdmap));
567 return(0);
568 case ITEIOCGREPT:
569 irp = (struct iterepeat *)addr;
570 irp->start = start_repeat_timeo;
571 irp->next = next_repeat_timeo;
572 return (0);
573 case ITEIOCSREPT:
574 irp = (struct iterepeat *)addr;
575 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
576 return(EINVAL);
577 start_repeat_timeo = irp->start;
578 next_repeat_timeo = irp->next;
579 return(0);
580 }
581 #if NGRFCC > 0
582 /* XXX */
583 if (minor(dev) == 0) {
584 error = ite_grf_ioctl(ip, cmd, addr, flag, l);
585 if (error >= 0)
586 return (error);
587 }
588 #endif
589 return (EPASSTHROUGH);
590 }
591
592 void
593 itestart(struct tty *tp)
594 {
595 struct clist *rbp;
596 struct ite_softc *ip;
597 u_char buf[ITEBURST];
598 int s, len;
599
600 ip = getitesp(tp->t_dev);
601
602 KDASSERT(tp);
603
604 s = spltty(); {
605 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
606 goto out;
607
608 tp->t_state |= TS_BUSY;
609 rbp = &tp->t_outq;
610
611 len = q_to_b(rbp, buf, ITEBURST);
612 } splx(s);
613
614 /* Here is a really good place to implement pre/jumpscroll() */
615 ite_putstr(buf, len, tp->t_dev);
616
617 s = spltty(); {
618 tp->t_state &= ~TS_BUSY;
619 /* we have characters remaining. */
620 if (ttypull(tp)) {
621 tp->t_state |= TS_TIMEOUT;
622 callout_schedule(&tp->t_rstrt_ch, 1);
623 }
624 }
625 out:
626 splx(s);
627 }
628
629 void
630 ite_on(dev_t dev, int flag)
631 {
632 struct ite_softc *ip;
633 int unit;
634
635 unit = ITEUNIT(dev);
636 ip = getitesp(dev);
637
638 /* force ite active, overriding graphics mode */
639 if (flag & 1) {
640 ip->flags |= ITE_ACTIVE;
641 ip->flags &= ~(ITE_INGRF | ITE_INITED);
642 }
643 /* leave graphics mode */
644 if (flag & 2) {
645 ip->flags &= ~ITE_INGRF;
646 if ((ip->flags & ITE_ACTIVE) == 0)
647 return;
648 }
649 ip->flags |= ITE_ACTIVE;
650 if (ip->flags & ITE_INGRF)
651 return;
652 iteinit(dev);
653 }
654
655 void
656 ite_off(dev_t dev, int flag)
657 {
658 struct ite_softc *ip;
659
660 ip = getitesp(dev);
661 if (flag & 2)
662 ip->flags |= ITE_INGRF;
663 if ((ip->flags & ITE_ACTIVE) == 0)
664 return;
665 if ((flag & 1) ||
666 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
667 SUBR_DEINIT(ip);
668 /* XXX hmm grfon() I think wants this to go inactive. */
669 if ((flag & 2) == 0)
670 ip->flags &= ~ITE_ACTIVE;
671 }
672
673 /* XXX called after changes made in underlying grf layer. */
674 /* I want to nuke this */
675 void
676 ite_reinit(dev_t dev)
677 {
678 struct ite_softc *ip;
679
680 ip = getitesp(dev);
681 ip->flags &= ~ITE_INITED;
682 iteinit(dev);
683 }
684
685 int
686 ite_param(struct tty *tp, struct termios *t)
687 {
688 tp->t_ispeed = t->c_ispeed;
689 tp->t_ospeed = t->c_ospeed;
690 tp->t_cflag = t->c_cflag;
691 return (0);
692 }
693
694 void
695 ite_reset(struct ite_softc *ip)
696 {
697 int i;
698
699 ip->curx = 0;
700 ip->cury = 0;
701 ip->attribute = ATTR_NOR;
702 ip->save_curx = 0;
703 ip->save_cury = 0;
704 ip->save_attribute = ATTR_NOR;
705 ip->ap = ip->argbuf;
706 ip->emul_level = 0;
707 ip->eightbit_C1 = 0;
708 ip->top_margin = 0;
709 ip->bottom_margin = ip->rows - 1;
710 ip->inside_margins = 0;
711 ip->linefeed_newline = 0;
712 ip->auto_wrap = ite_default_wrap;
713 ip->cursor_appmode = 0;
714 ip->keypad_appmode = 0;
715 ip->imode = 0;
716 ip->key_repeat = 1;
717 memset(ip->tabs, 0, ip->cols);
718 for (i = 0; i < ip->cols; i++)
719 ip->tabs[i] = ((i & 7) == 0);
720 }
721
722 /*
723 * has to be global because of the shared filters.
724 */
725 static u_char key_mod;
726 static u_char last_dead;
727
728 /* Used in console at startup only */
729 int
730 ite_cnfilter(u_char c, enum caller caller)
731 {
732 struct key key;
733 u_char code, up, mask;
734 int s, i;
735
736 up = c & 0x80 ? 1 : 0;
737 c &= 0x7f;
738 code = 0;
739
740 s = spltty();
741
742 i = (int)c - KBD_LEFT_SHIFT;
743 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
744 mask = 1 << i;
745 if (up)
746 key_mod &= ~mask;
747 else
748 key_mod |= mask;
749 splx(s);
750 return -1;
751 }
752
753 if (up) {
754 splx(s);
755 return -1;
756 }
757
758 /* translate modifiers */
759 if (key_mod & KBD_MOD_SHIFT) {
760 if (key_mod & KBD_MOD_ALT)
761 key = kbdmap.alt_shift_keys[c];
762 else
763 key = kbdmap.shift_keys[c];
764 } else if (key_mod & KBD_MOD_ALT)
765 key = kbdmap.alt_keys[c];
766 else {
767 key = kbdmap.keys[c];
768 /* if CAPS and key is CAPable (no pun intended) */
769 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
770 key = kbdmap.shift_keys[c];
771 }
772 code = key.code;
773
774 /* if string return */
775 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
776 splx(s);
777 return -1;
778 }
779 /* handle dead keys */
780 if (key.mode & KBD_MODE_DEAD) {
781 /* if entered twice, send accent itself */
782 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
783 last_dead = 0;
784 else {
785 last_dead = key.mode & KBD_MODE_ACCMASK;
786 splx(s);
787 return -1;
788 }
789 }
790 if (last_dead) {
791 /* can't apply dead flag to string-keys */
792 if (code >= '@' && code < 0x7f)
793 code =
794 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
795 last_dead = 0;
796 }
797 if (key_mod & KBD_MOD_CTRL)
798 code &= 0x1f;
799 if (key_mod & KBD_MOD_META)
800 code |= 0x80;
801
802 /* do console mapping. */
803 code = code == '\r' ? '\n' : code;
804
805 splx(s);
806 return (code);
807 }
808
809 /* And now the old stuff. */
810
811 /* these are used to implement repeating keys.. */
812 static u_char last_char;
813 static u_char tout_pending;
814
815 /*ARGSUSED*/
816 static void
817 repeat_handler(void *arg)
818 {
819 tout_pending = 0;
820 if (last_char)
821 ite_filter(last_char, ITEFILT_REPEATER);
822 }
823
824 void
825 ite_filter(u_char c, enum caller caller)
826 {
827 struct tty *kbd_tty;
828 u_char code, *str, up, mask;
829 struct key key;
830 int s, i;
831
832 if (kbd_ite == NULL || kbd_ite->tp == NULL)
833 return;
834
835 kbd_tty = kbd_ite->tp;
836
837 /* have to make sure we're at spltty in here */
838 s = spltty();
839
840 up = c & 0x80 ? 1 : 0;
841 c &= 0x7f;
842 code = 0;
843
844 i = (int)c - KBD_LEFT_SHIFT;
845 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
846 mask = 1 << i;
847 if (up)
848 key_mod &= ~mask;
849 else
850 key_mod |= mask;
851 splx(s);
852 return;
853 }
854 /* stop repeating on up event */
855 if (up) {
856 if (tout_pending) {
857 callout_stop(&repeat_ch);
858 tout_pending = 0;
859 last_char = 0;
860 }
861 splx(s);
862 return;
863 } else if (tout_pending && last_char != c) {
864 /* different character, stop also */
865 callout_stop(&repeat_ch);
866 tout_pending = 0;
867 last_char = 0;
868 }
869 /* Safety button, switch back to ascii keymap. */
870 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
871 memcpy(&kbdmap, &ascii_kbdmap, sizeof(struct kbdmap));
872
873 splx(s);
874 return;
875 #ifdef DDB
876 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
877 Debugger();
878 splx(s);
879 return;
880 #endif
881 }
882 /* translate modifiers */
883 if (key_mod & KBD_MOD_SHIFT) {
884 if (key_mod & KBD_MOD_ALT)
885 key = kbdmap.alt_shift_keys[c];
886 else
887 key = kbdmap.shift_keys[c];
888 } else if (key_mod & KBD_MOD_ALT)
889 key = kbdmap.alt_keys[c];
890 else {
891 key = kbdmap.keys[c];
892 /* if CAPS and key is CAPable (no pun intended) */
893 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
894 key = kbdmap.shift_keys[c];
895 }
896 code = key.code;
897
898 /*
899 * arrange to repeat the keystroke. By doing this at the level
900 * of scan-codes, we can have function keys, and keys that
901 * send strings, repeat too. This also entitles an additional
902 * overhead, since we have to do the conversion each time, but
903 * I guess that's ok.
904 */
905 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
906 tout_pending = 1;
907 last_char = c;
908 callout_reset(&repeat_ch,
909 start_repeat_timeo * hz / 100, repeat_handler, NULL);
910 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
911 kbd_ite->key_repeat) {
912 tout_pending = 1;
913 last_char = c;
914 callout_reset(&repeat_ch,
915 next_repeat_timeo * hz / 100, repeat_handler, NULL);
916 }
917 /* handle dead keys */
918 if (key.mode & KBD_MODE_DEAD) {
919 /* if entered twice, send accent itself */
920 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
921 last_dead = 0;
922 else {
923 last_dead = key.mode & KBD_MODE_ACCMASK;
924 splx(s);
925 return;
926 }
927 }
928 if (last_dead) {
929 /* can't apply dead flag to string-keys */
930 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
931 code < 0x7f)
932 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
933 last_dead = 0;
934 }
935 /* if not string, apply META and CTRL modifiers */
936 if (!(key.mode & KBD_MODE_STRING)
937 && (!(key.mode & KBD_MODE_KPAD) ||
938 (kbd_ite && !kbd_ite->keypad_appmode))) {
939 if (key_mod & KBD_MOD_CTRL)
940 code &= 0x1f;
941 if (key_mod & KBD_MOD_META)
942 code |= 0x80;
943 } else if ((key.mode & KBD_MODE_KPAD) &&
944 (kbd_ite && kbd_ite->keypad_appmode)) {
945 static char in[] = {
946 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */,
947 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */,
948 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */,
949 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */,
950 0x5c /* / */, 0x5d /* * */
951 };
952 static const char *out = "pqrstuvwxymlnMPQRS";
953 char *cp = strchr(in, c);
954
955 /*
956 * keypad-appmode sends SS3 followed by the above
957 * translated character
958 */
959 kbd_tty->t_linesw->l_rint(27, kbd_tty);
960 kbd_tty->t_linesw->l_rint('O', kbd_tty);
961 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
962 splx(s);
963 return;
964 } else {
965 /* *NO* I don't like this.... */
966 static u_char app_cursor[] =
967 {
968 3, 27, 'O', 'A',
969 3, 27, 'O', 'B',
970 3, 27, 'O', 'C',
971 3, 27, 'O', 'D'};
972
973 str = kbdmap.strings + code;
974 /*
975 * if this is a cursor key, AND it has the default
976 * keymap setting, AND we're in app-cursor mode, switch
977 * to the above table. This is *nasty* !
978 */
979 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
980 && !memcmp(str, "\x03\x1b[", 3) &&
981 strchr("ABCD", str[3]))
982 str = app_cursor + 4 * (str[3] - 'A');
983
984 /*
985 * using a length-byte instead of 0-termination allows
986 * to embed \0 into strings, although this is not used
987 * in the default keymap
988 */
989 for (i = *str++; i; i--)
990 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
991 splx(s);
992 return;
993 }
994 kbd_tty->t_linesw->l_rint(code, kbd_tty);
995
996 splx(s);
997 return;
998 }
999
1000 /* helper functions, makes the code below more readable */
1001 inline static void
1002 ite_sendstr(const char *str)
1003 {
1004 struct tty *kbd_tty;
1005
1006 kbd_tty = kbd_ite->tp;
1007 KDASSERT(kbd_tty);
1008 while (*str)
1009 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1010 }
1011
1012 static void
1013 alignment_display(struct ite_softc *ip)
1014 {
1015 int i, j;
1016
1017 for (j = 0; j < ip->rows; j++)
1018 for (i = 0; i < ip->cols; i++)
1019 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1020 attrclr(ip, 0, 0, ip->rows, ip->cols);
1021 SUBR_CURSOR(ip, DRAW_CURSOR);
1022 }
1023
1024 inline static void
1025 snap_cury(struct ite_softc *ip)
1026 {
1027 if (ip->inside_margins)
1028 {
1029 if (ip->cury < ip->top_margin)
1030 ip->cury = ip->top_margin;
1031 if (ip->cury > ip->bottom_margin)
1032 ip->cury = ip->bottom_margin;
1033 }
1034 }
1035
1036 inline static void
1037 ite_dnchar(struct ite_softc *ip, int n)
1038 {
1039 n = min(n, ip->cols - ip->curx);
1040 if (n < ip->cols - ip->curx)
1041 {
1042 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1043 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1044 1, ip->cols - ip->curx - n);
1045 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1046 }
1047 while (n-- > 0)
1048 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1049 SUBR_CURSOR(ip, DRAW_CURSOR);
1050 }
1051
1052 inline static void
1053 ite_inchar(struct ite_softc *ip, int n)
1054 {
1055 n = min(n, ip->cols - ip->curx);
1056 if (n < ip->cols - ip->curx)
1057 {
1058 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1059 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1060 1, ip->cols - ip->curx - n);
1061 attrclr(ip, ip->cury, ip->curx, 1, n);
1062 }
1063 while (n--)
1064 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1065 SUBR_CURSOR(ip, DRAW_CURSOR);
1066 }
1067
1068 inline static void
1069 ite_clrtoeol(struct ite_softc *ip)
1070 {
1071 int y = ip->cury, x = ip->curx;
1072 if (ip->cols - x > 0)
1073 {
1074 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1075 attrclr(ip, y, x, 1, ip->cols - x);
1076 SUBR_CURSOR(ip, DRAW_CURSOR);
1077 }
1078 }
1079
1080 inline static void
1081 ite_clrtobol(struct ite_softc *ip)
1082 {
1083 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1084 SUBR_CLEAR(ip, y, 0, 1, x);
1085 attrclr(ip, y, 0, 1, x);
1086 SUBR_CURSOR(ip, DRAW_CURSOR);
1087 }
1088
1089 inline static void
1090 ite_clrline(struct ite_softc *ip)
1091 {
1092 int y = ip->cury;
1093 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1094 attrclr(ip, y, 0, 1, ip->cols);
1095 SUBR_CURSOR(ip, DRAW_CURSOR);
1096 }
1097
1098
1099
1100 inline static void
1101 ite_clrtoeos(struct ite_softc *ip)
1102 {
1103 ite_clrtoeol(ip);
1104 if (ip->cury < ip->rows - 1)
1105 {
1106 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1107 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1108 SUBR_CURSOR(ip, DRAW_CURSOR);
1109 }
1110 }
1111
1112 inline static void
1113 ite_clrtobos(struct ite_softc *ip)
1114 {
1115 ite_clrtobol(ip);
1116 if (ip->cury > 0)
1117 {
1118 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1119 attrclr(ip, 0, 0, ip->cury, ip->cols);
1120 SUBR_CURSOR(ip, DRAW_CURSOR);
1121 }
1122 }
1123
1124 inline static void
1125 ite_clrscreen(struct ite_softc *ip)
1126 {
1127 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1128 attrclr(ip, 0, 0, ip->rows, ip->cols);
1129 SUBR_CURSOR(ip, DRAW_CURSOR);
1130 }
1131
1132
1133
1134 inline static void
1135 ite_dnline(struct ite_softc *ip, int n)
1136 {
1137 /* interesting.. if the cursor is outside the scrolling
1138 region, this command is simply ignored.. */
1139 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1140 return;
1141
1142 n = min(n, ip->bottom_margin + 1 - ip->cury);
1143 if (n <= ip->bottom_margin - ip->cury)
1144 {
1145 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1146 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1147 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1148 }
1149 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1150 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1151 SUBR_CURSOR(ip, DRAW_CURSOR);
1152 }
1153
1154 inline static void
1155 ite_inline(struct ite_softc *ip, int n)
1156 {
1157 /* interesting.. if the cursor is outside the scrolling
1158 region, this command is simply ignored.. */
1159 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1160 return;
1161
1162 n = min(n, ip->bottom_margin + 1 - ip->cury);
1163 if (n <= ip->bottom_margin - ip->cury)
1164 {
1165 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1166 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1167 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1168 }
1169 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1170 attrclr(ip, ip->cury, 0, n, ip->cols);
1171 SUBR_CURSOR(ip, DRAW_CURSOR);
1172 }
1173
1174 inline static void
1175 ite_lf(struct ite_softc *ip)
1176 {
1177 ++ip->cury;
1178 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1179 {
1180 ip->cury--;
1181 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1182 ite_clrline(ip);
1183 }
1184 SUBR_CURSOR(ip, MOVE_CURSOR);
1185 clr_attr(ip, ATTR_INV);
1186 }
1187
1188 inline static void
1189 ite_crlf(struct ite_softc *ip)
1190 {
1191 ip->curx = 0;
1192 ite_lf (ip);
1193 }
1194
1195 inline static void
1196 ite_cr(struct ite_softc *ip)
1197 {
1198 if (ip->curx)
1199 {
1200 ip->curx = 0;
1201 SUBR_CURSOR(ip, MOVE_CURSOR);
1202 }
1203 }
1204
1205 inline static void
1206 ite_rlf(struct ite_softc *ip)
1207 {
1208 ip->cury--;
1209 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1210 {
1211 ip->cury++;
1212 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1213 ite_clrline(ip);
1214 }
1215 SUBR_CURSOR(ip, MOVE_CURSOR);
1216 clr_attr(ip, ATTR_INV);
1217 }
1218
1219 inline static int
1220 atoi(const char *cp)
1221 {
1222 int n;
1223
1224 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1225 n = n * 10 + *cp - '0';
1226
1227 return n;
1228 }
1229
1230 inline static int
1231 ite_argnum(struct ite_softc *ip)
1232 {
1233 char ch;
1234 int n;
1235
1236 /* convert argument string into number */
1237 if (ip->ap == ip->argbuf)
1238 return 1;
1239 ch = *ip->ap;
1240 *ip->ap = 0;
1241 n = atoi (ip->argbuf);
1242 *ip->ap = ch;
1243
1244 return n;
1245 }
1246
1247 inline static int
1248 ite_zargnum(struct ite_softc *ip)
1249 {
1250 char ch;
1251 int n;
1252
1253 /* convert argument string into number */
1254 if (ip->ap == ip->argbuf)
1255 return 0;
1256 ch = *ip->ap;
1257 *ip->ap = 0;
1258 n = atoi (ip->argbuf);
1259 *ip->ap = ch;
1260
1261 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1262 }
1263
1264 void
1265 ite_putstr(const char *s, int len, dev_t dev)
1266 {
1267 struct ite_softc *ip;
1268 int i;
1269
1270 ip = getitesp(dev);
1271
1272 /* XXX avoid problems */
1273 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1274 return;
1275
1276 SUBR_CURSOR(ip, START_CURSOROPT);
1277 for (i = 0; i < len; i++)
1278 if (s[i])
1279 iteputchar(s[i], ip);
1280 SUBR_CURSOR(ip, END_CURSOROPT);
1281 }
1282
1283 static void
1284 iteprecheckwrap(struct ite_softc *ip)
1285 {
1286 if (ip->auto_wrap && ip->curx == ip->cols) {
1287 ip->curx = 0;
1288 clr_attr(ip, ATTR_INV);
1289 if (++ip->cury >= ip->bottom_margin + 1) {
1290 ip->cury = ip->bottom_margin;
1291 SUBR_CURSOR(ip, MOVE_CURSOR);
1292 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1293 ite_clrtoeol(ip);
1294 } else
1295 SUBR_CURSOR(ip, MOVE_CURSOR);
1296 }
1297 }
1298
1299 static void
1300 itecheckwrap(struct ite_softc *ip)
1301 {
1302 #if 0
1303 if (++ip->curx == ip->cols) {
1304 if (ip->auto_wrap) {
1305 ip->curx = 0;
1306 clr_attr(ip, ATTR_INV);
1307 if (++ip->cury >= ip->bottom_margin + 1) {
1308 ip->cury = ip->bottom_margin;
1309 SUBR_CURSOR(ip, MOVE_CURSOR);
1310 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1311 ite_clrtoeol(ip);
1312 return;
1313 }
1314 } else
1315 /* stay there if no autowrap.. */
1316 ip->curx--;
1317 }
1318 #else
1319 if (ip->curx < ip->cols) {
1320 ip->curx++;
1321 SUBR_CURSOR(ip, MOVE_CURSOR);
1322 }
1323 #endif
1324 }
1325
1326 void
1327 iteputchar(register int c, struct ite_softc *ip)
1328 {
1329 struct tty *kbd_tty;
1330 int n, x, y;
1331 char *cp;
1332
1333 if (kbd_ite == NULL)
1334 kbd_tty = NULL;
1335 else
1336 kbd_tty = kbd_ite->tp;
1337
1338 if (ip->escape) {
1339 switch (ip->escape) {
1340 case ESC:
1341 switch (c) {
1342 /*
1343 * first 7bit equivalents for the
1344 * 8bit control characters
1345 */
1346 case 'D':
1347 c = IND;
1348 ip->escape = 0;
1349 break;
1350 /*
1351 * and fall into the next
1352 * switch below (same for all `break')
1353 */
1354 case 'E':
1355 c = NEL;
1356 ip->escape = 0;
1357 break;
1358 case 'H':
1359 c = HTS;
1360 ip->escape = 0;
1361 break;
1362 case 'M':
1363 c = RI;
1364 ip->escape = 0;
1365 break;
1366 case 'N':
1367 c = SS2;
1368 ip->escape = 0;
1369 break;
1370 case 'O':
1371 c = SS3;
1372 ip->escape = 0;
1373 break;
1374 case 'P':
1375 c = DCS;
1376 ip->escape = 0;
1377 break;
1378 case '[':
1379 c = CSI;
1380 ip->escape = 0;
1381 break;
1382 case '\\':
1383 c = ST;
1384 ip->escape = 0;
1385 break;
1386 case ']':
1387 c = OSC;
1388 ip->escape = 0;
1389 break;
1390 case '^':
1391 c = PM;
1392 ip->escape = 0;
1393 break;
1394 case '_':
1395 c = APC;
1396 ip->escape = 0;
1397 break;
1398 /* introduces 7/8bit control */
1399 case ' ':
1400 /* can be followed by either F or G */
1401 ip->escape = ' ';
1402 break;
1403 /*
1404 * a lot of character set selections, not yet
1405 * used... 94-character sets:
1406 */
1407 case '(': /* G0 */
1408 case ')': /* G1 */
1409 ip->escape = c;
1410 return;
1411 case '*': /* G2 */
1412 case '+': /* G3 */
1413 case 'B': /* ASCII */
1414 case 'A': /* ISO latin 1 */
1415 case '<': /* user preferred suplemental */
1416 case '0': /* dec special graphics */
1417 /*
1418 * 96-character sets:
1419 */
1420 case '-': /* G1 */
1421 case '.': /* G2 */
1422 case '/': /* G3 */
1423 /*
1424 * national character sets:
1425 */
1426 case '4': /* dutch */
1427 case '5':
1428 case 'C': /* finnish */
1429 case 'R': /* french */
1430 case 'Q': /* french canadian */
1431 case 'K': /* german */
1432 case 'Y': /* italian */
1433 case '6': /* norwegian/danish */
1434 /*
1435 * note: %5 and %6 are not supported (two
1436 * chars..)
1437 */
1438 ip->escape = 0;
1439 /* just ignore for now */
1440 return;
1441 /*
1442 * locking shift modes (as you might guess, not
1443 * yet supported..)
1444 */
1445 case '`':
1446 ip->GR = ip->G1;
1447 ip->escape = 0;
1448 return;
1449 case 'n':
1450 ip->GL = ip->G2;
1451 ip->escape = 0;
1452 return;
1453 case '}':
1454 ip->GR = ip->G2;
1455 ip->escape = 0;
1456 return;
1457 case 'o':
1458 ip->GL = ip->G3;
1459 ip->escape = 0;
1460 return;
1461 case '|':
1462 ip->GR = ip->G3;
1463 ip->escape = 0;
1464 return;
1465 case '#':
1466 /* font width/height control */
1467 ip->escape = '#';
1468 return;
1469 case 'c':
1470 /* hard terminal reset .. */
1471 ite_reset(ip);
1472 SUBR_CURSOR(ip, MOVE_CURSOR);
1473 ip->escape = 0;
1474 return;
1475 case '7':
1476 ip->save_curx = ip->curx;
1477 ip->save_cury = ip->cury;
1478 ip->save_attribute = ip->attribute;
1479 ip->escape = 0;
1480 return;
1481 case '8':
1482 ip->curx = ip->save_curx;
1483 ip->cury = ip->save_cury;
1484 ip->attribute = ip->save_attribute;
1485 SUBR_CURSOR(ip, MOVE_CURSOR);
1486 ip->escape = 0;
1487 return;
1488 case '=':
1489 ip->keypad_appmode = 1;
1490 ip->escape = 0;
1491 return;
1492 case '>':
1493 ip->keypad_appmode = 0;
1494 ip->escape = 0;
1495 return;
1496 case 'Z': /* request ID */
1497 /* XXX not clean */
1498 if (ip->emul_level == EMUL_VT100)
1499 ite_sendstr("\033[?61;0c");
1500 else
1501 ite_sendstr("\033[?63;0c");
1502 ip->escape = 0;
1503 return;
1504 default:
1505 /*
1506 * default catch all for not recognized ESC
1507 * sequences
1508 */
1509 ip->escape = 0;
1510 return;
1511 }
1512 break;
1513 case '(':
1514 case ')':
1515 ip->escape = 0;
1516 return;
1517 case ' ':
1518 switch (c) {
1519 case 'F':
1520 ip->eightbit_C1 = 0;
1521 ip->escape = 0;
1522 return;
1523 case 'G':
1524 ip->eightbit_C1 = 1;
1525 ip->escape = 0;
1526 return;
1527 default:
1528 /* not supported */
1529 ip->escape = 0;
1530 return;
1531 }
1532 break;
1533 case '#':
1534 switch (c) {
1535 case '5':
1536 /* single height, single width */
1537 ip->escape = 0;
1538 return;
1539 case '6':
1540 /* double width, single height */
1541 ip->escape = 0;
1542 return;
1543 case '3':
1544 /* top half */
1545 ip->escape = 0;
1546 return;
1547 case '4':
1548 /* bottom half */
1549 ip->escape = 0;
1550 return;
1551 case '8':
1552 /* screen alignment pattern... */
1553 alignment_display(ip);
1554 ip->escape = 0;
1555 return;
1556 default:
1557 ip->escape = 0;
1558 return;
1559 }
1560 break;
1561 case CSI:
1562 /* the biggie... */
1563 switch (c) {
1564 case '0':
1565 case '1':
1566 case '2':
1567 case '3':
1568 case '4':
1569 case '5':
1570 case '6':
1571 case '7':
1572 case '8':
1573 case '9':
1574 case ';':
1575 case '\"':
1576 case '$':
1577 case '>':
1578 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1579 *ip->ap++ = c;
1580 return;
1581 case BS:
1582 /*
1583 * you wouldn't believe such perversion is
1584 * possible? it is.. BS is allowed in between
1585 * cursor sequences (at least), according to
1586 * vttest..
1587 */
1588 if (--ip->curx < 0)
1589 ip->curx = 0;
1590 else
1591 SUBR_CURSOR(ip, MOVE_CURSOR);
1592 break;
1593 case 'p':
1594 *ip->ap = 0;
1595 if (!strncmp(ip->argbuf, "61\"", 3))
1596 ip->emul_level = EMUL_VT100;
1597 else if (!strncmp(ip->argbuf, "63;1\"", 5)
1598 || !strncmp(ip->argbuf, "62;1\"", 5))
1599 ip->emul_level = EMUL_VT300_7;
1600 else
1601 ip->emul_level = EMUL_VT300_8;
1602 ip->escape = 0;
1603 return;
1604 case '?':
1605 *ip->ap = 0;
1606 ip->escape = '?';
1607 ip->ap = ip->argbuf;
1608 return;
1609 case 'c':
1610 *ip->ap = 0;
1611 if (ip->argbuf[0] == '>') {
1612 ite_sendstr("\033[>24;0;0;0c");
1613 } else
1614 switch (ite_zargnum(ip)) {
1615 case 0:
1616 /*
1617 * primary DA request, send
1618 * primary DA response
1619 */
1620 if (ip->emul_level
1621 == EMUL_VT100)
1622 ite_sendstr(
1623 "\033[?1;1c");
1624 else
1625 ite_sendstr(
1626 "\033[?63;1c");
1627 break;
1628 }
1629 ip->escape = 0;
1630 return;
1631 case 'n':
1632 switch (ite_zargnum(ip)) {
1633 case 5:
1634 /* no malfunction */
1635 ite_sendstr("\033[0n");
1636 break;
1637 case 6:
1638 /* cursor position report */
1639 sprintf(ip->argbuf, "\033[%d;%dR",
1640 ip->cury + 1, ip->curx + 1);
1641 ite_sendstr(ip->argbuf);
1642 break;
1643 }
1644 ip->escape = 0;
1645 return;
1646 case 'x':
1647 switch (ite_zargnum(ip)) {
1648 case 0:
1649 /* Fake some terminal parameters. */
1650 ite_sendstr("\033[2;1;1;112;112;1;0x");
1651 break;
1652 case 1:
1653 ite_sendstr("\033[3;1;1;112;112;1;0x");
1654 break;
1655 }
1656 ip->escape = 0;
1657 return;
1658 case 'g':
1659 switch (ite_zargnum(ip)) {
1660 case 0:
1661 if (ip->curx < ip->cols)
1662 ip->tabs[ip->curx] = 0;
1663 break;
1664 case 3:
1665 for (n = 0; n < ip->cols; n++)
1666 ip->tabs[n] = 0;
1667 break;
1668 }
1669 ip->escape = 0;
1670 return;
1671 case 'h':
1672 case 'l':
1673 n = ite_zargnum(ip);
1674 switch (n) {
1675 case 4:
1676 /* insert/replace mode */
1677 ip->imode = (c == 'h');
1678 break;
1679 case 20:
1680 ip->linefeed_newline = (c == 'h');
1681 break;
1682 }
1683 ip->escape = 0;
1684 return;
1685 case 'M':
1686 ite_dnline(ip, ite_argnum(ip));
1687 ip->escape = 0;
1688 return;
1689 case 'L':
1690 ite_inline(ip, ite_argnum(ip));
1691 ip->escape = 0;
1692 return;
1693 case 'P':
1694 ite_dnchar(ip, ite_argnum(ip));
1695 ip->escape = 0;
1696 return;
1697 case '@':
1698 ite_inchar(ip, ite_argnum(ip));
1699 ip->escape = 0;
1700 return;
1701 case 'G':
1702 /*
1703 * this one was *not* in my vt320 manual but in
1704 * a vt320 termcap entry.. who is right? It's
1705 * supposed to set the horizontal cursor
1706 * position.
1707 */
1708 *ip->ap = 0;
1709 x = atoi(ip->argbuf);
1710 if (x)
1711 x--;
1712 ip->curx = min(x, ip->cols - 1);
1713 ip->escape = 0;
1714 SUBR_CURSOR(ip, MOVE_CURSOR);
1715 clr_attr(ip, ATTR_INV);
1716 return;
1717 case 'd':
1718 /*
1719 * same thing here, this one's for setting the
1720 * absolute vertical cursor position. Not
1721 * documented...
1722 */
1723 *ip->ap = 0;
1724 y = atoi(ip->argbuf);
1725 if (y)
1726 y--;
1727 if (ip->inside_margins)
1728 y += ip->top_margin;
1729 ip->cury = min(y, ip->rows - 1);
1730 ip->escape = 0;
1731 snap_cury(ip);
1732 SUBR_CURSOR(ip, MOVE_CURSOR);
1733 clr_attr(ip, ATTR_INV);
1734 return;
1735 case 'H':
1736 case 'f':
1737 *ip->ap = 0;
1738 y = atoi(ip->argbuf);
1739 x = 0;
1740 cp = strchr(ip->argbuf, ';');
1741 if (cp)
1742 x = atoi(cp + 1);
1743 if (x)
1744 x--;
1745 if (y)
1746 y--;
1747 if (ip->inside_margins)
1748 y += ip->top_margin;
1749 ip->cury = min(y, ip->rows - 1);
1750 ip->curx = min(x, ip->cols - 1);
1751 ip->escape = 0;
1752 snap_cury(ip);
1753 SUBR_CURSOR(ip, MOVE_CURSOR);
1754 clr_attr(ip, ATTR_INV);
1755 return;
1756 case 'A':
1757 n = ite_argnum(ip);
1758 n = ip->cury - (n ? n : 1);
1759 if (n < 0)
1760 n = 0;
1761 if (ip->inside_margins)
1762 n = max(ip->top_margin, n);
1763 else if (n == ip->top_margin - 1)
1764 /*
1765 * allow scrolling outside region, but
1766 * don't scroll out of active region
1767 * without explicit CUP
1768 */
1769 n = ip->top_margin;
1770 ip->cury = n;
1771 ip->escape = 0;
1772 SUBR_CURSOR(ip, MOVE_CURSOR);
1773 clr_attr(ip, ATTR_INV);
1774 return;
1775 case 'B':
1776 n = ite_argnum(ip);
1777 n = ip->cury + (n ? n : 1);
1778 n = min(ip->rows - 1, n);
1779 if (ip->inside_margins)
1780 n = min(ip->bottom_margin, n);
1781 else if (n == ip->bottom_margin + 1)
1782 /*
1783 * allow scrolling outside region, but
1784 * don't scroll out of active region
1785 * without explicit CUP
1786 */
1787 n = ip->bottom_margin;
1788 ip->cury = n;
1789 ip->escape = 0;
1790 SUBR_CURSOR(ip, MOVE_CURSOR);
1791 clr_attr(ip, ATTR_INV);
1792 return;
1793 case 'C':
1794 n = ite_argnum(ip);
1795 n = n ? n : 1;
1796 ip->curx = min(ip->curx + n, ip->cols - 1);
1797 ip->escape = 0;
1798 SUBR_CURSOR(ip, MOVE_CURSOR);
1799 clr_attr(ip, ATTR_INV);
1800 return;
1801 case 'D':
1802 n = ite_argnum(ip);
1803 n = n ? n : 1;
1804 n = ip->curx - n;
1805 ip->curx = n >= 0 ? n : 0;
1806 ip->escape = 0;
1807 SUBR_CURSOR(ip, MOVE_CURSOR);
1808 clr_attr(ip, ATTR_INV);
1809 return;
1810 case 'J':
1811 *ip->ap = 0;
1812 n = ite_zargnum(ip);
1813 if (n == 0)
1814 ite_clrtoeos(ip);
1815 else if (n == 1)
1816 ite_clrtobos(ip);
1817 else if (n == 2)
1818 ite_clrscreen(ip);
1819 ip->escape = 0;
1820 return;
1821 case 'K':
1822 n = ite_zargnum(ip);
1823 if (n == 0)
1824 ite_clrtoeol(ip);
1825 else if (n == 1)
1826 ite_clrtobol(ip);
1827 else if (n == 2)
1828 ite_clrline(ip);
1829 ip->escape = 0;
1830 return;
1831 case 'X':
1832 n = ite_argnum(ip) - 1;
1833 n = min(n, ip->cols - 1 - ip->curx);
1834 for (; n >= 0; n--) {
1835 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1836 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1837 }
1838 ip->escape = 0;
1839 return;
1840 case '}':
1841 case '`':
1842 /* status line control */
1843 ip->escape = 0;
1844 return;
1845 case 'r':
1846 *ip->ap = 0;
1847 x = atoi(ip->argbuf);
1848 x = x ? x : 1;
1849 y = ip->rows;
1850 cp = strchr(ip->argbuf, ';');
1851 if (cp) {
1852 y = atoi(cp + 1);
1853 y = y ? y : ip->rows;
1854 }
1855 if (y - x < 2) {
1856 /*
1857 * if illegal scrolling region, reset
1858 * to defaults
1859 */
1860 x = 1;
1861 y = ip->rows;
1862 }
1863 x--;
1864 y--;
1865 ip->top_margin = min(x, ip->rows - 1);
1866 ip->bottom_margin = min(y, ip->rows - 1);
1867 if (ip->inside_margins) {
1868 ip->cury = ip->top_margin;
1869 ip->curx = 0;
1870 SUBR_CURSOR(ip, MOVE_CURSOR);
1871 }
1872 ip->escape = 0;
1873 return;
1874 case 'm':
1875 /* big attribute setter/resetter */
1876 { char *_cp;
1877 *ip->ap = 0;
1878 /* kludge to make CSIm work (== CSI0m) */
1879 if (ip->ap == ip->argbuf)
1880 ip->ap++;
1881 for (_cp = ip->argbuf; _cp < ip->ap;) {
1882 switch (*_cp) {
1883 case 0:
1884 case '0':
1885 clr_attr(ip, ATTR_ALL);
1886 _cp++;
1887 break;
1888
1889 case '1':
1890 set_attr(ip, ATTR_BOLD);
1891 _cp++;
1892 break;
1893
1894 case '2':
1895 switch (_cp[1]) {
1896 case '2':
1897 clr_attr(ip, ATTR_BOLD);
1898 _cp += 2;
1899 break;
1900
1901 case '4':
1902 clr_attr(ip, ATTR_UL);
1903 _cp += 2;
1904 break;
1905
1906 case '5':
1907 clr_attr(ip, ATTR_BLINK);
1908 _cp += 2;
1909 break;
1910
1911 case '7':
1912 clr_attr(ip, ATTR_INV);
1913 _cp += 2;
1914 break;
1915
1916 default:
1917 _cp++;
1918 break;
1919 }
1920 break;
1921
1922 case '4':
1923 set_attr(ip, ATTR_UL);
1924 _cp++;
1925 break;
1926
1927 case '5':
1928 set_attr(ip, ATTR_BLINK);
1929 _cp++;
1930 break;
1931
1932 case '7':
1933 set_attr(ip, ATTR_INV);
1934 _cp++;
1935 break;
1936
1937 default:
1938 _cp++;
1939 break;
1940 }
1941 }
1942 ip->escape = 0;
1943 return; }
1944 case 'u':
1945 /* DECRQTSR */
1946 ite_sendstr("\033P\033\\");
1947 ip->escape = 0;
1948 return;
1949 default:
1950 ip->escape = 0;
1951 return;
1952 }
1953 break;
1954 case '?': /* CSI ? */
1955 switch (c) {
1956 case '0':
1957 case '1':
1958 case '2':
1959 case '3':
1960 case '4':
1961 case '5':
1962 case '6':
1963 case '7':
1964 case '8':
1965 case '9':
1966 case ';':
1967 case '\"':
1968 case '$':
1969 /*
1970 * Don't fill the last character;
1971 * it's needed.
1972 * XXX yeah, where ??
1973 */
1974 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
1975 *ip->ap++ = c;
1976 return;
1977 case 'n':
1978 *ip->ap = 0;
1979 if (ip->ap == &ip->argbuf[2]) {
1980 if (!strncmp(ip->argbuf, "15", 2))
1981 /* printer status: no printer */
1982 ite_sendstr("\033[13n");
1983
1984 else if (!strncmp(ip->argbuf, "25", 2))
1985 /* udk status */
1986 ite_sendstr("\033[20n");
1987
1988 else if (!strncmp(ip->argbuf, "26", 2))
1989 /* keyboard dialect: US */
1990 ite_sendstr("\033[27;1n");
1991 }
1992 ip->escape = 0;
1993 return;
1994 case 'h':
1995 case 'l':
1996 n = ite_zargnum(ip);
1997 switch (n) {
1998 case 1:
1999 ip->cursor_appmode = (c == 'h');
2000 break;
2001 case 3:
2002 /* 132/80 columns (132 == 'h') */
2003 break;
2004 case 4: /* smooth scroll */
2005 break;
2006 case 5:
2007 /*
2008 * light background (=='h') /dark
2009 * background(=='l')
2010 */
2011 break;
2012 case 6: /* origin mode */
2013 ip->inside_margins = (c == 'h');
2014 ip->curx = 0;
2015 ip->cury = ip->inside_margins ?
2016 ip->top_margin : 0;
2017 SUBR_CURSOR(ip, MOVE_CURSOR);
2018 break;
2019 case 7: /* auto wraparound */
2020 ip->auto_wrap = (c == 'h');
2021 break;
2022 case 8: /* keyboard repeat */
2023 ip->key_repeat = (c == 'h');
2024 break;
2025 case 20: /* newline mode */
2026 ip->linefeed_newline = (c == 'h');
2027 break;
2028 case 25: /* cursor on/off */
2029 SUBR_CURSOR(ip, (c == 'h') ?
2030 DRAW_CURSOR : ERASE_CURSOR);
2031 break;
2032 }
2033 ip->escape = 0;
2034 return;
2035 default:
2036 ip->escape = 0;
2037 return;
2038 }
2039 break;
2040 default:
2041 ip->escape = 0;
2042 return;
2043 }
2044 }
2045 switch (c) {
2046 case VT: /* VT is treated like LF */
2047 case FF: /* so is FF */
2048 case LF:
2049 /*
2050 * cr->crlf distinction is done here, on output, not on input!
2051 */
2052 if (ip->linefeed_newline)
2053 ite_crlf(ip);
2054 else
2055 ite_lf(ip);
2056 break;
2057 case CR:
2058 ite_cr(ip);
2059 break;
2060 case BS:
2061 if (--ip->curx < 0)
2062 ip->curx = 0;
2063 else
2064 SUBR_CURSOR(ip, MOVE_CURSOR);
2065 break;
2066 case HT:
2067 for (n = ip->curx + 1; n < ip->cols; n++) {
2068 if (ip->tabs[n]) {
2069 ip->curx = n;
2070 SUBR_CURSOR(ip, MOVE_CURSOR);
2071 break;
2072 }
2073 }
2074 break;
2075 case BEL:
2076 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty
2077 #ifdef DRACO
2078 && !is_draco()
2079 #endif
2080 )
2081 ite_bell();
2082 break;
2083 case SO:
2084 ip->GL = ip->G1;
2085 break;
2086 case SI:
2087 ip->GL = ip->G0;
2088 break;
2089 case ENQ:
2090 /* send answer-back message !! */
2091 break;
2092 case CAN:
2093 ip->escape = 0; /* cancel any escape sequence in progress */
2094 break;
2095 case SUB:
2096 ip->escape = 0; /* dito, but see below */
2097 /* should also display a reverse question mark!! */
2098 break;
2099 case ESC:
2100 ip->escape = ESC;
2101 break;
2102 /*
2103 * now it gets weird.. 8bit control sequences..
2104 */
2105 case IND:
2106 /* index: move cursor down, scroll */
2107 ite_lf(ip);
2108 break;
2109 case NEL:
2110 /* next line. next line, first pos. */
2111 ite_crlf(ip);
2112 break;
2113 case HTS:
2114 /* set horizontal tab */
2115 if (ip->curx < ip->cols)
2116 ip->tabs[ip->curx] = 1;
2117 break;
2118 case RI:
2119 /* reverse index */
2120 ite_rlf(ip);
2121 break;
2122 case SS2:
2123 /* go into G2 for one character */
2124 /* not yet supported */
2125 break;
2126 case SS3:
2127 /* go into G3 for one character */
2128 break;
2129 case DCS:
2130 /* device control string introducer */
2131 ip->escape = DCS;
2132 ip->ap = ip->argbuf;
2133 break;
2134 case CSI:
2135 /* control sequence introducer */
2136 ip->escape = CSI;
2137 ip->ap = ip->argbuf;
2138 break;
2139 case ST:
2140 /* string terminator */
2141 /* ignore, if not used as terminator */
2142 break;
2143 case OSC:
2144 /*
2145 * introduces OS command. Ignore everything
2146 * upto ST
2147 */
2148 ip->escape = OSC;
2149 break;
2150 case PM:
2151 /* privacy message, ignore everything upto ST */
2152 ip->escape = PM;
2153 break;
2154 case APC:
2155 /*
2156 * application program command, ignore * everything upto ST
2157 */
2158 ip->escape = APC;
2159 break;
2160 default:
2161 if ((c & 0x7f) < ' ' || c == DEL)
2162 break;
2163 if (ip->imode)
2164 ite_inchar(ip, 1);
2165 iteprecheckwrap(ip);
2166 #ifdef DO_WEIRD_ATTRIBUTES
2167 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2168 attrset(ip, ATTR_INV);
2169 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2170 } else
2171 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2172 #else
2173 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2174 #endif
2175 SUBR_CURSOR(ip, DRAW_CURSOR);
2176 itecheckwrap(ip);
2177 break;
2178 }
2179 }
2180
2181