ite.c revision 1.91 1 /* $NetBSD: ite.c,v 1.91 2011/02/08 20:20:08 rmind 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 1.91 2011/02/08 20:20:08 rmind 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(struct device *, struct device *, void *);
122 int itematch(struct device *, struct cfdata *, 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(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(struct device *pdp, struct cfdata *cfp, void *auxp)
171 {
172 struct grf_softc *gp;
173 int maj;
174
175 gp = auxp;
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, cfp->cf_unit);
185 return(1);
186 }
187
188 void
189 iteattach(struct device *pdp, struct device *dp, void *auxp)
190 {
191 struct grf_softc *gp;
192 struct ite_softc *ip;
193 int s;
194
195 gp = (struct grf_softc *)auxp;
196 if (dp) {
197 ip = (struct ite_softc *)dp;
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 * bring graphics layer up.
258 */
259 config_console();
260
261 /*
262 * return priority of the best ite (already picked from attach)
263 * or CN_DEAD.
264 */
265 if (con_itesoftc.grf == NULL)
266 cd->cn_pri = CN_DEAD;
267 else {
268 cd->cn_pri = con_itesoftc.grf->g_conpri;
269 cd->cn_dev = con_itesoftc.grf->g_itedev;
270 }
271 }
272
273 /* audio bell stuff */
274 void
275 init_bell(void)
276 {
277 if (bsamplep != NULL)
278 return;
279 bsamplep = alloc_chipmem(20);
280 if (bsamplep == NULL)
281 panic("no chipmem for ite_bell");
282
283 memcpy(bsamplep, sample, 20);
284 }
285
286 void
287 ite_bell(void)
288 {
289 u_int clock;
290 u_int period;
291 u_int count;
292
293 clock = 3579545; /* PAL 3546895 */
294
295 /*
296 * the number of clock ticks per sample byte must be > 124
297 * ergo bpitch must be < clock / 124*20
298 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously
299 */
300 period = clock / (bpitch * 20);
301 count = bmsec * bpitch / 1000;
302
303 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count);
304 }
305
306 void
307 itecninit(struct consdev *cd)
308 {
309 struct ite_softc *ip;
310
311 ip = getitesp(cd->cn_dev);
312 iteinit(cd->cn_dev);
313 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
314
315 #ifdef DRACO
316 if (!is_draco())
317 #endif
318 init_bell();
319 }
320
321 /*
322 * ite_cnfinish() is called in ite_init() when the device is
323 * being probed in the normal fasion, thus we can finish setting
324 * up this ite now that the system is more functional.
325 */
326 void
327 ite_cnfinish(struct ite_softc *ip)
328 {
329 static int done;
330
331 if (done)
332 return;
333 done = 1;
334 }
335
336 int
337 itecngetc(dev_t dev)
338 {
339 int c;
340
341 /* XXX this should be moved */
342 kbdenable();
343 do {
344 c = kbdgetcn();
345 c = ite_cnfilter(c, ITEFILT_CONSOLE);
346 } while (c == -1);
347 return (c);
348 }
349
350 void
351 itecnputc(dev_t dev, int c)
352 {
353 static int paniced;
354 struct ite_softc *ip;
355 char ch;
356
357 ip = getitesp(dev);
358 ch = c;
359
360 if (panicstr && !paniced &&
361 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
362 ite_on(dev, 3);
363 paniced = 1;
364 }
365 iteputchar(ch, ip);
366 }
367
368 void
369 itecnpollc(dev_t dev, int on)
370 {
371 }
372
373 /*
374 * standard entry points to the device.
375 */
376
377 /*
378 * iteinit() is the standard entry point for initialization of
379 * an ite device, it is also called from ite_cninit().
380 *
381 */
382 void
383 iteinit(dev_t dev)
384 {
385 struct ite_softc *ip;
386 static int kbdmap_loaded = 0;
387
388 ip = getitesp(dev);
389 if (ip->flags & ITE_INITED)
390 return;
391 if (kbdmap_loaded == 0) {
392 memcpy(&kbdmap, &ascii_kbdmap, sizeof(struct kbdmap));
393 kbdmap_loaded = 1;
394 }
395
396 callout_init(&repeat_ch, 0);
397
398 ip->cursorx = 0;
399 ip->cursory = 0;
400 if (ip->grf->g_iteinit == NULL)
401 return; /* grf has no console */
402 SUBR_INIT(ip);
403 SUBR_CURSOR(ip, DRAW_CURSOR);
404 if (ip->tabs == NULL)
405 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
406 ite_reset(ip);
407 ip->flags |= ITE_INITED;
408 }
409
410 int
411 iteopen(dev_t dev, int mode, int devtype, struct lwp *l)
412 {
413 struct ite_softc *ip;
414 struct tty *tp;
415 int error, first, unit;
416
417 unit = ITEUNIT(dev);
418 first = 0;
419
420 if (unit >= ite_cd.cd_ndevs)
421 return ENXIO;
422 ip = getitesp(dev);
423 if (ip == NULL)
424 return ENXIO;
425 if ((ip->flags & ITE_ATTACHED) == 0)
426 return ENXIO;
427
428 if (ip->tp == NULL) {
429 tp = ip->tp = ttymalloc();
430 tty_attach(tp);
431 } else
432 tp = ip->tp;
433
434 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp))
435 return (EBUSY);
436
437 if ((ip->flags & ITE_ACTIVE) == 0) {
438 ite_on(dev, 0);
439 first = 1;
440 }
441 tp->t_oproc = itestart;
442 tp->t_param = ite_param;
443 tp->t_dev = dev;
444 if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) {
445 ttychars(tp);
446 tp->t_iflag = TTYDEF_IFLAG;
447 tp->t_oflag = TTYDEF_OFLAG;
448 tp->t_cflag = TTYDEF_CFLAG;
449 tp->t_lflag = TTYDEF_LFLAG;
450 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
451 tp->t_state = TS_CARR_ON;
452 ttsetwater(tp);
453 }
454 error = ttyopen(tp, 0, mode & O_NONBLOCK);
455 if (error)
456 goto bad;
457
458 error = tp->t_linesw->l_open(dev, tp);
459 if (error)
460 goto bad;
461
462 tp->t_winsize.ws_row = ip->rows;
463 tp->t_winsize.ws_col = ip->cols;
464 kbdenable();
465 return (0);
466 bad:
467 if (first)
468 ite_off(dev, 0);
469 return (error);
470 }
471
472 int
473 iteclose(dev_t dev, int flag, int mode, struct lwp *l)
474 {
475 struct tty *tp;
476
477 tp = getitesp(dev)->tp;
478
479 KDASSERT(tp);
480 tp->t_linesw->l_close(tp, flag);
481 ttyclose(tp);
482 ite_off(dev, 0);
483 return (0);
484 }
485
486 int
487 iteread(dev_t dev, struct uio *uio, int flag)
488 {
489 struct tty *tp;
490
491 tp = getitesp(dev)->tp;
492
493 KDASSERT(tp);
494 return tp->t_linesw->l_read(tp, uio, flag);
495 }
496
497 int
498 itewrite(dev_t dev, struct uio *uio, int flag)
499 {
500 struct tty *tp;
501
502 tp = getitesp(dev)->tp;
503
504 KDASSERT(tp);
505 return tp->t_linesw->l_write(tp, uio, flag);
506 }
507
508 int
509 itepoll(dev_t dev, int events, struct lwp *l)
510 {
511 struct tty *tp;
512
513 tp = getitesp(dev)->tp;
514
515 KDASSERT(tp);
516 return ((*tp->t_linesw->l_poll)(tp, events, l));
517 }
518
519 struct tty *
520 itetty(dev_t dev)
521 {
522 return (getitesp(dev)->tp);
523 }
524
525 int
526 iteioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l)
527 {
528 struct iterepeat *irp;
529 struct ite_softc *ip;
530 struct itebell *ib;
531 struct tty *tp;
532 int error;
533
534 ip = getitesp(dev);
535 tp = ip->tp;
536
537 KDASSERT(tp);
538
539 error = tp->t_linesw->l_ioctl(tp, cmd, addr, flag, l);
540 if (error != EPASSTHROUGH)
541 return (error);
542 error = ttioctl(tp, cmd, addr, flag, l);
543 if (error != EPASSTHROUGH)
544 return (error);
545
546 switch (cmd) {
547 case ITEIOCGBELL:
548 ib = (struct itebell *)addr;
549 ib->volume = bvolume;
550 ib->pitch = bpitch;
551 ib->msec = bmsec;
552 return (0);
553 case ITEIOCSBELL:
554 ib = (struct itebell *)addr;
555
556 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH ||
557 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME)
558 return (EINVAL);
559 bvolume = ib->volume;
560 bpitch = ib->pitch;
561 bmsec = ib->msec;
562 return (0);
563 case ITEIOCSKMAP:
564 if (addr == 0)
565 return(EFAULT);
566 memcpy(&kbdmap, addr, sizeof(struct kbdmap));
567 return(0);
568 case ITEIOCGKMAP:
569 if (addr == NULL)
570 return(EFAULT);
571 memcpy(addr, &kbdmap, sizeof(struct kbdmap));
572 return(0);
573 case ITEIOCGREPT:
574 irp = (struct iterepeat *)addr;
575 irp->start = start_repeat_timeo;
576 irp->next = next_repeat_timeo;
577 return (0);
578 case ITEIOCSREPT:
579 irp = (struct iterepeat *)addr;
580 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
581 return(EINVAL);
582 start_repeat_timeo = irp->start;
583 next_repeat_timeo = irp->next;
584 return(0);
585 }
586 #if NGRFCC > 0
587 /* XXX */
588 if (minor(dev) == 0) {
589 error = ite_grf_ioctl(ip, cmd, addr, flag, l);
590 if (error >= 0)
591 return (error);
592 }
593 #endif
594 return (EPASSTHROUGH);
595 }
596
597 void
598 itestart(struct tty *tp)
599 {
600 struct clist *rbp;
601 struct ite_softc *ip;
602 u_char buf[ITEBURST];
603 int s, len;
604
605 ip = getitesp(tp->t_dev);
606
607 KDASSERT(tp);
608
609 s = spltty(); {
610 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
611 goto out;
612
613 tp->t_state |= TS_BUSY;
614 rbp = &tp->t_outq;
615
616 len = q_to_b(rbp, buf, ITEBURST);
617 } splx(s);
618
619 /* Here is a really good place to implement pre/jumpscroll() */
620 ite_putstr(buf, len, tp->t_dev);
621
622 s = spltty(); {
623 tp->t_state &= ~TS_BUSY;
624 /* we have characters remaining. */
625 if (ttypull(tp)) {
626 tp->t_state |= TS_TIMEOUT;
627 callout_schedule(&tp->t_rstrt_ch, 1);
628 }
629 }
630 out:
631 splx(s);
632 }
633
634 void
635 ite_on(dev_t dev, int flag)
636 {
637 struct ite_softc *ip;
638 int unit;
639
640 unit = ITEUNIT(dev);
641 ip = getitesp(dev);
642
643 /* force ite active, overriding graphics mode */
644 if (flag & 1) {
645 ip->flags |= ITE_ACTIVE;
646 ip->flags &= ~(ITE_INGRF | ITE_INITED);
647 }
648 /* leave graphics mode */
649 if (flag & 2) {
650 ip->flags &= ~ITE_INGRF;
651 if ((ip->flags & ITE_ACTIVE) == 0)
652 return;
653 }
654 ip->flags |= ITE_ACTIVE;
655 if (ip->flags & ITE_INGRF)
656 return;
657 iteinit(dev);
658 }
659
660 void
661 ite_off(dev_t dev, int flag)
662 {
663 struct ite_softc *ip;
664
665 ip = getitesp(dev);
666 if (flag & 2)
667 ip->flags |= ITE_INGRF;
668 if ((ip->flags & ITE_ACTIVE) == 0)
669 return;
670 if ((flag & 1) ||
671 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
672 SUBR_DEINIT(ip);
673 /* XXX hmm grfon() I think wants this to go inactive. */
674 if ((flag & 2) == 0)
675 ip->flags &= ~ITE_ACTIVE;
676 }
677
678 /* XXX called after changes made in underlying grf layer. */
679 /* I want to nuke this */
680 void
681 ite_reinit(dev_t dev)
682 {
683 struct ite_softc *ip;
684
685 ip = getitesp(dev);
686 ip->flags &= ~ITE_INITED;
687 iteinit(dev);
688 }
689
690 int
691 ite_param(struct tty *tp, struct termios *t)
692 {
693 tp->t_ispeed = t->c_ispeed;
694 tp->t_ospeed = t->c_ospeed;
695 tp->t_cflag = t->c_cflag;
696 return (0);
697 }
698
699 void
700 ite_reset(struct ite_softc *ip)
701 {
702 int i;
703
704 ip->curx = 0;
705 ip->cury = 0;
706 ip->attribute = ATTR_NOR;
707 ip->save_curx = 0;
708 ip->save_cury = 0;
709 ip->save_attribute = ATTR_NOR;
710 ip->ap = ip->argbuf;
711 ip->emul_level = 0;
712 ip->eightbit_C1 = 0;
713 ip->top_margin = 0;
714 ip->bottom_margin = ip->rows - 1;
715 ip->inside_margins = 0;
716 ip->linefeed_newline = 0;
717 ip->auto_wrap = ite_default_wrap;
718 ip->cursor_appmode = 0;
719 ip->keypad_appmode = 0;
720 ip->imode = 0;
721 ip->key_repeat = 1;
722 memset(ip->tabs, 0, ip->cols);
723 for (i = 0; i < ip->cols; i++)
724 ip->tabs[i] = ((i & 7) == 0);
725 }
726
727 /*
728 * has to be global because of the shared filters.
729 */
730 static u_char key_mod;
731 static u_char last_dead;
732
733 /* Used in console at startup only */
734 int
735 ite_cnfilter(u_char c, enum caller caller)
736 {
737 struct key key;
738 u_char code, up, mask;
739 int s, i;
740
741 up = c & 0x80 ? 1 : 0;
742 c &= 0x7f;
743 code = 0;
744
745 s = spltty();
746
747 i = (int)c - KBD_LEFT_SHIFT;
748 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
749 mask = 1 << i;
750 if (up)
751 key_mod &= ~mask;
752 else
753 key_mod |= mask;
754 splx(s);
755 return -1;
756 }
757
758 if (up) {
759 splx(s);
760 return -1;
761 }
762
763 /* translate modifiers */
764 if (key_mod & KBD_MOD_SHIFT) {
765 if (key_mod & KBD_MOD_ALT)
766 key = kbdmap.alt_shift_keys[c];
767 else
768 key = kbdmap.shift_keys[c];
769 } else if (key_mod & KBD_MOD_ALT)
770 key = kbdmap.alt_keys[c];
771 else {
772 key = kbdmap.keys[c];
773 /* if CAPS and key is CAPable (no pun intended) */
774 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
775 key = kbdmap.shift_keys[c];
776 }
777 code = key.code;
778
779 /* if string return */
780 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
781 splx(s);
782 return -1;
783 }
784 /* handle dead keys */
785 if (key.mode & KBD_MODE_DEAD) {
786 /* if entered twice, send accent itself */
787 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
788 last_dead = 0;
789 else {
790 last_dead = key.mode & KBD_MODE_ACCMASK;
791 splx(s);
792 return -1;
793 }
794 }
795 if (last_dead) {
796 /* can't apply dead flag to string-keys */
797 if (code >= '@' && code < 0x7f)
798 code =
799 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
800 last_dead = 0;
801 }
802 if (key_mod & KBD_MOD_CTRL)
803 code &= 0x1f;
804 if (key_mod & KBD_MOD_META)
805 code |= 0x80;
806
807 /* do console mapping. */
808 code = code == '\r' ? '\n' : code;
809
810 splx(s);
811 return (code);
812 }
813
814 /* And now the old stuff. */
815
816 /* these are used to implement repeating keys.. */
817 static u_char last_char;
818 static u_char tout_pending;
819
820 /*ARGSUSED*/
821 static void
822 repeat_handler(void *arg)
823 {
824 tout_pending = 0;
825 if (last_char)
826 ite_filter(last_char, ITEFILT_REPEATER);
827 }
828
829 void
830 ite_filter(u_char c, enum caller caller)
831 {
832 struct tty *kbd_tty;
833 u_char code, *str, up, mask;
834 struct key key;
835 int s, i;
836
837 if (kbd_ite == NULL || kbd_ite->tp == NULL)
838 return;
839
840 kbd_tty = kbd_ite->tp;
841
842 /* have to make sure we're at spltty in here */
843 s = spltty();
844
845 up = c & 0x80 ? 1 : 0;
846 c &= 0x7f;
847 code = 0;
848
849 i = (int)c - KBD_LEFT_SHIFT;
850 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
851 mask = 1 << i;
852 if (up)
853 key_mod &= ~mask;
854 else
855 key_mod |= mask;
856 splx(s);
857 return;
858 }
859 /* stop repeating on up event */
860 if (up) {
861 if (tout_pending) {
862 callout_stop(&repeat_ch);
863 tout_pending = 0;
864 last_char = 0;
865 }
866 splx(s);
867 return;
868 } else if (tout_pending && last_char != c) {
869 /* different character, stop also */
870 callout_stop(&repeat_ch);
871 tout_pending = 0;
872 last_char = 0;
873 }
874 /* Safety button, switch back to ascii keymap. */
875 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
876 memcpy(&kbdmap, &ascii_kbdmap, sizeof(struct kbdmap));
877
878 splx(s);
879 return;
880 #ifdef DDB
881 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
882 Debugger();
883 splx(s);
884 return;
885 #endif
886 }
887 /* translate modifiers */
888 if (key_mod & KBD_MOD_SHIFT) {
889 if (key_mod & KBD_MOD_ALT)
890 key = kbdmap.alt_shift_keys[c];
891 else
892 key = kbdmap.shift_keys[c];
893 } else if (key_mod & KBD_MOD_ALT)
894 key = kbdmap.alt_keys[c];
895 else {
896 key = kbdmap.keys[c];
897 /* if CAPS and key is CAPable (no pun intended) */
898 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
899 key = kbdmap.shift_keys[c];
900 }
901 code = key.code;
902
903 /*
904 * arrange to repeat the keystroke. By doing this at the level
905 * of scan-codes, we can have function keys, and keys that
906 * send strings, repeat too. This also entitles an additional
907 * overhead, since we have to do the conversion each time, but
908 * I guess that's ok.
909 */
910 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
911 tout_pending = 1;
912 last_char = c;
913 callout_reset(&repeat_ch,
914 start_repeat_timeo * hz / 100, repeat_handler, NULL);
915 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
916 kbd_ite->key_repeat) {
917 tout_pending = 1;
918 last_char = c;
919 callout_reset(&repeat_ch,
920 next_repeat_timeo * hz / 100, repeat_handler, NULL);
921 }
922 /* handle dead keys */
923 if (key.mode & KBD_MODE_DEAD) {
924 /* if entered twice, send accent itself */
925 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
926 last_dead = 0;
927 else {
928 last_dead = key.mode & KBD_MODE_ACCMASK;
929 splx(s);
930 return;
931 }
932 }
933 if (last_dead) {
934 /* can't apply dead flag to string-keys */
935 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
936 code < 0x7f)
937 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
938 last_dead = 0;
939 }
940 /* if not string, apply META and CTRL modifiers */
941 if (!(key.mode & KBD_MODE_STRING)
942 && (!(key.mode & KBD_MODE_KPAD) ||
943 (kbd_ite && !kbd_ite->keypad_appmode))) {
944 if (key_mod & KBD_MOD_CTRL)
945 code &= 0x1f;
946 if (key_mod & KBD_MOD_META)
947 code |= 0x80;
948 } else if ((key.mode & KBD_MODE_KPAD) &&
949 (kbd_ite && kbd_ite->keypad_appmode)) {
950 static char in[] = {
951 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */,
952 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */,
953 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */,
954 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */,
955 0x5c /* / */, 0x5d /* * */
956 };
957 static const char *out = "pqrstuvwxymlnMPQRS";
958 char *cp = strchr(in, c);
959
960 /*
961 * keypad-appmode sends SS3 followed by the above
962 * translated character
963 */
964 kbd_tty->t_linesw->l_rint(27, kbd_tty);
965 kbd_tty->t_linesw->l_rint('O', kbd_tty);
966 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
967 splx(s);
968 return;
969 } else {
970 /* *NO* I don't like this.... */
971 static u_char app_cursor[] =
972 {
973 3, 27, 'O', 'A',
974 3, 27, 'O', 'B',
975 3, 27, 'O', 'C',
976 3, 27, 'O', 'D'};
977
978 str = kbdmap.strings + code;
979 /*
980 * if this is a cursor key, AND it has the default
981 * keymap setting, AND we're in app-cursor mode, switch
982 * to the above table. This is *nasty* !
983 */
984 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
985 && !memcmp(str, "\x03\x1b[", 3) &&
986 strchr("ABCD", str[3]))
987 str = app_cursor + 4 * (str[3] - 'A');
988
989 /*
990 * using a length-byte instead of 0-termination allows
991 * to embed \0 into strings, although this is not used
992 * in the default keymap
993 */
994 for (i = *str++; i; i--)
995 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
996 splx(s);
997 return;
998 }
999 kbd_tty->t_linesw->l_rint(code, kbd_tty);
1000
1001 splx(s);
1002 return;
1003 }
1004
1005 /* helper functions, makes the code below more readable */
1006 inline static void
1007 ite_sendstr(const char *str)
1008 {
1009 struct tty *kbd_tty;
1010
1011 kbd_tty = kbd_ite->tp;
1012 KDASSERT(kbd_tty);
1013 while (*str)
1014 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1015 }
1016
1017 static void
1018 alignment_display(struct ite_softc *ip)
1019 {
1020 int i, j;
1021
1022 for (j = 0; j < ip->rows; j++)
1023 for (i = 0; i < ip->cols; i++)
1024 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1025 attrclr(ip, 0, 0, ip->rows, ip->cols);
1026 SUBR_CURSOR(ip, DRAW_CURSOR);
1027 }
1028
1029 inline static void
1030 snap_cury(struct ite_softc *ip)
1031 {
1032 if (ip->inside_margins)
1033 {
1034 if (ip->cury < ip->top_margin)
1035 ip->cury = ip->top_margin;
1036 if (ip->cury > ip->bottom_margin)
1037 ip->cury = ip->bottom_margin;
1038 }
1039 }
1040
1041 inline static void
1042 ite_dnchar(struct ite_softc *ip, int n)
1043 {
1044 n = min(n, ip->cols - ip->curx);
1045 if (n < ip->cols - ip->curx)
1046 {
1047 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1048 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1049 1, ip->cols - ip->curx - n);
1050 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1051 }
1052 while (n-- > 0)
1053 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1054 SUBR_CURSOR(ip, DRAW_CURSOR);
1055 }
1056
1057 inline static void
1058 ite_inchar(struct ite_softc *ip, int n)
1059 {
1060 n = min(n, ip->cols - ip->curx);
1061 if (n < ip->cols - ip->curx)
1062 {
1063 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1064 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1065 1, ip->cols - ip->curx - n);
1066 attrclr(ip, ip->cury, ip->curx, 1, n);
1067 }
1068 while (n--)
1069 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1070 SUBR_CURSOR(ip, DRAW_CURSOR);
1071 }
1072
1073 inline static void
1074 ite_clrtoeol(struct ite_softc *ip)
1075 {
1076 int y = ip->cury, x = ip->curx;
1077 if (ip->cols - x > 0)
1078 {
1079 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1080 attrclr(ip, y, x, 1, ip->cols - x);
1081 SUBR_CURSOR(ip, DRAW_CURSOR);
1082 }
1083 }
1084
1085 inline static void
1086 ite_clrtobol(struct ite_softc *ip)
1087 {
1088 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1089 SUBR_CLEAR(ip, y, 0, 1, x);
1090 attrclr(ip, y, 0, 1, x);
1091 SUBR_CURSOR(ip, DRAW_CURSOR);
1092 }
1093
1094 inline static void
1095 ite_clrline(struct ite_softc *ip)
1096 {
1097 int y = ip->cury;
1098 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1099 attrclr(ip, y, 0, 1, ip->cols);
1100 SUBR_CURSOR(ip, DRAW_CURSOR);
1101 }
1102
1103
1104
1105 inline static void
1106 ite_clrtoeos(struct ite_softc *ip)
1107 {
1108 ite_clrtoeol(ip);
1109 if (ip->cury < ip->rows - 1)
1110 {
1111 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1112 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1113 SUBR_CURSOR(ip, DRAW_CURSOR);
1114 }
1115 }
1116
1117 inline static void
1118 ite_clrtobos(struct ite_softc *ip)
1119 {
1120 ite_clrtobol(ip);
1121 if (ip->cury > 0)
1122 {
1123 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1124 attrclr(ip, 0, 0, ip->cury, ip->cols);
1125 SUBR_CURSOR(ip, DRAW_CURSOR);
1126 }
1127 }
1128
1129 inline static void
1130 ite_clrscreen(struct ite_softc *ip)
1131 {
1132 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1133 attrclr(ip, 0, 0, ip->rows, ip->cols);
1134 SUBR_CURSOR(ip, DRAW_CURSOR);
1135 }
1136
1137
1138
1139 inline static void
1140 ite_dnline(struct ite_softc *ip, int n)
1141 {
1142 /* interesting.. if the cursor is outside the scrolling
1143 region, this command is simply ignored.. */
1144 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1145 return;
1146
1147 n = min(n, ip->bottom_margin + 1 - ip->cury);
1148 if (n <= ip->bottom_margin - ip->cury)
1149 {
1150 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1151 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1152 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1153 }
1154 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1155 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1156 SUBR_CURSOR(ip, DRAW_CURSOR);
1157 }
1158
1159 inline static void
1160 ite_inline(struct ite_softc *ip, int n)
1161 {
1162 /* interesting.. if the cursor is outside the scrolling
1163 region, this command is simply ignored.. */
1164 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1165 return;
1166
1167 n = min(n, ip->bottom_margin + 1 - ip->cury);
1168 if (n <= ip->bottom_margin - ip->cury)
1169 {
1170 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1171 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1172 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1173 }
1174 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1175 attrclr(ip, ip->cury, 0, n, ip->cols);
1176 SUBR_CURSOR(ip, DRAW_CURSOR);
1177 }
1178
1179 inline static void
1180 ite_lf(struct ite_softc *ip)
1181 {
1182 ++ip->cury;
1183 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1184 {
1185 ip->cury--;
1186 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1187 ite_clrline(ip);
1188 }
1189 SUBR_CURSOR(ip, MOVE_CURSOR);
1190 clr_attr(ip, ATTR_INV);
1191 }
1192
1193 inline static void
1194 ite_crlf(struct ite_softc *ip)
1195 {
1196 ip->curx = 0;
1197 ite_lf (ip);
1198 }
1199
1200 inline static void
1201 ite_cr(struct ite_softc *ip)
1202 {
1203 if (ip->curx)
1204 {
1205 ip->curx = 0;
1206 SUBR_CURSOR(ip, MOVE_CURSOR);
1207 }
1208 }
1209
1210 inline static void
1211 ite_rlf(struct ite_softc *ip)
1212 {
1213 ip->cury--;
1214 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1215 {
1216 ip->cury++;
1217 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1218 ite_clrline(ip);
1219 }
1220 SUBR_CURSOR(ip, MOVE_CURSOR);
1221 clr_attr(ip, ATTR_INV);
1222 }
1223
1224 inline static int
1225 atoi(const char *cp)
1226 {
1227 int n;
1228
1229 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1230 n = n * 10 + *cp - '0';
1231
1232 return n;
1233 }
1234
1235 inline static int
1236 ite_argnum(struct ite_softc *ip)
1237 {
1238 char ch;
1239 int n;
1240
1241 /* convert argument string into number */
1242 if (ip->ap == ip->argbuf)
1243 return 1;
1244 ch = *ip->ap;
1245 *ip->ap = 0;
1246 n = atoi (ip->argbuf);
1247 *ip->ap = ch;
1248
1249 return n;
1250 }
1251
1252 inline static int
1253 ite_zargnum(struct ite_softc *ip)
1254 {
1255 char ch;
1256 int n;
1257
1258 /* convert argument string into number */
1259 if (ip->ap == ip->argbuf)
1260 return 0;
1261 ch = *ip->ap;
1262 *ip->ap = 0;
1263 n = atoi (ip->argbuf);
1264 *ip->ap = ch;
1265
1266 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1267 }
1268
1269 void
1270 ite_putstr(const char *s, int len, dev_t dev)
1271 {
1272 struct ite_softc *ip;
1273 int i;
1274
1275 ip = getitesp(dev);
1276
1277 /* XXX avoid problems */
1278 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1279 return;
1280
1281 SUBR_CURSOR(ip, START_CURSOROPT);
1282 for (i = 0; i < len; i++)
1283 if (s[i])
1284 iteputchar(s[i], ip);
1285 SUBR_CURSOR(ip, END_CURSOROPT);
1286 }
1287
1288 static void
1289 iteprecheckwrap(struct ite_softc *ip)
1290 {
1291 if (ip->auto_wrap && ip->curx == ip->cols) {
1292 ip->curx = 0;
1293 clr_attr(ip, ATTR_INV);
1294 if (++ip->cury >= ip->bottom_margin + 1) {
1295 ip->cury = ip->bottom_margin;
1296 SUBR_CURSOR(ip, MOVE_CURSOR);
1297 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1298 ite_clrtoeol(ip);
1299 } else
1300 SUBR_CURSOR(ip, MOVE_CURSOR);
1301 }
1302 }
1303
1304 static void
1305 itecheckwrap(struct ite_softc *ip)
1306 {
1307 #if 0
1308 if (++ip->curx == ip->cols) {
1309 if (ip->auto_wrap) {
1310 ip->curx = 0;
1311 clr_attr(ip, ATTR_INV);
1312 if (++ip->cury >= ip->bottom_margin + 1) {
1313 ip->cury = ip->bottom_margin;
1314 SUBR_CURSOR(ip, MOVE_CURSOR);
1315 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1316 ite_clrtoeol(ip);
1317 return;
1318 }
1319 } else
1320 /* stay there if no autowrap.. */
1321 ip->curx--;
1322 }
1323 #else
1324 if (ip->curx < ip->cols) {
1325 ip->curx++;
1326 SUBR_CURSOR(ip, MOVE_CURSOR);
1327 }
1328 #endif
1329 }
1330
1331 void
1332 iteputchar(register int c, struct ite_softc *ip)
1333 {
1334 struct tty *kbd_tty;
1335 int n, x, y;
1336 char *cp;
1337
1338 if (kbd_ite == NULL)
1339 kbd_tty = NULL;
1340 else
1341 kbd_tty = kbd_ite->tp;
1342
1343 if (ip->escape) {
1344 switch (ip->escape) {
1345 case ESC:
1346 switch (c) {
1347 /*
1348 * first 7bit equivalents for the
1349 * 8bit control characters
1350 */
1351 case 'D':
1352 c = IND;
1353 ip->escape = 0;
1354 break;
1355 /*
1356 * and fall into the next
1357 * switch below (same for all `break')
1358 */
1359 case 'E':
1360 c = NEL;
1361 ip->escape = 0;
1362 break;
1363 case 'H':
1364 c = HTS;
1365 ip->escape = 0;
1366 break;
1367 case 'M':
1368 c = RI;
1369 ip->escape = 0;
1370 break;
1371 case 'N':
1372 c = SS2;
1373 ip->escape = 0;
1374 break;
1375 case 'O':
1376 c = SS3;
1377 ip->escape = 0;
1378 break;
1379 case 'P':
1380 c = DCS;
1381 ip->escape = 0;
1382 break;
1383 case '[':
1384 c = CSI;
1385 ip->escape = 0;
1386 break;
1387 case '\\':
1388 c = ST;
1389 ip->escape = 0;
1390 break;
1391 case ']':
1392 c = OSC;
1393 ip->escape = 0;
1394 break;
1395 case '^':
1396 c = PM;
1397 ip->escape = 0;
1398 break;
1399 case '_':
1400 c = APC;
1401 ip->escape = 0;
1402 break;
1403 /* introduces 7/8bit control */
1404 case ' ':
1405 /* can be followed by either F or G */
1406 ip->escape = ' ';
1407 break;
1408 /*
1409 * a lot of character set selections, not yet
1410 * used... 94-character sets:
1411 */
1412 case '(': /* G0 */
1413 case ')': /* G1 */
1414 ip->escape = c;
1415 return;
1416 case '*': /* G2 */
1417 case '+': /* G3 */
1418 case 'B': /* ASCII */
1419 case 'A': /* ISO latin 1 */
1420 case '<': /* user preferred suplemental */
1421 case '0': /* dec special graphics */
1422 /*
1423 * 96-character sets:
1424 */
1425 case '-': /* G1 */
1426 case '.': /* G2 */
1427 case '/': /* G3 */
1428 /*
1429 * national character sets:
1430 */
1431 case '4': /* dutch */
1432 case '5':
1433 case 'C': /* finnish */
1434 case 'R': /* french */
1435 case 'Q': /* french canadian */
1436 case 'K': /* german */
1437 case 'Y': /* italian */
1438 case '6': /* norwegian/danish */
1439 /*
1440 * note: %5 and %6 are not supported (two
1441 * chars..)
1442 */
1443 ip->escape = 0;
1444 /* just ignore for now */
1445 return;
1446 /*
1447 * locking shift modes (as you might guess, not
1448 * yet supported..)
1449 */
1450 case '`':
1451 ip->GR = ip->G1;
1452 ip->escape = 0;
1453 return;
1454 case 'n':
1455 ip->GL = ip->G2;
1456 ip->escape = 0;
1457 return;
1458 case '}':
1459 ip->GR = ip->G2;
1460 ip->escape = 0;
1461 return;
1462 case 'o':
1463 ip->GL = ip->G3;
1464 ip->escape = 0;
1465 return;
1466 case '|':
1467 ip->GR = ip->G3;
1468 ip->escape = 0;
1469 return;
1470 case '#':
1471 /* font width/height control */
1472 ip->escape = '#';
1473 return;
1474 case 'c':
1475 /* hard terminal reset .. */
1476 ite_reset(ip);
1477 SUBR_CURSOR(ip, MOVE_CURSOR);
1478 ip->escape = 0;
1479 return;
1480 case '7':
1481 ip->save_curx = ip->curx;
1482 ip->save_cury = ip->cury;
1483 ip->save_attribute = ip->attribute;
1484 ip->escape = 0;
1485 return;
1486 case '8':
1487 ip->curx = ip->save_curx;
1488 ip->cury = ip->save_cury;
1489 ip->attribute = ip->save_attribute;
1490 SUBR_CURSOR(ip, MOVE_CURSOR);
1491 ip->escape = 0;
1492 return;
1493 case '=':
1494 ip->keypad_appmode = 1;
1495 ip->escape = 0;
1496 return;
1497 case '>':
1498 ip->keypad_appmode = 0;
1499 ip->escape = 0;
1500 return;
1501 case 'Z': /* request ID */
1502 /* XXX not clean */
1503 if (ip->emul_level == EMUL_VT100)
1504 ite_sendstr("\033[?61;0c");
1505 else
1506 ite_sendstr("\033[?63;0c");
1507 ip->escape = 0;
1508 return;
1509 default:
1510 /*
1511 * default catch all for not recognized ESC
1512 * sequences
1513 */
1514 ip->escape = 0;
1515 return;
1516 }
1517 break;
1518 case '(':
1519 case ')':
1520 ip->escape = 0;
1521 return;
1522 case ' ':
1523 switch (c) {
1524 case 'F':
1525 ip->eightbit_C1 = 0;
1526 ip->escape = 0;
1527 return;
1528 case 'G':
1529 ip->eightbit_C1 = 1;
1530 ip->escape = 0;
1531 return;
1532 default:
1533 /* not supported */
1534 ip->escape = 0;
1535 return;
1536 }
1537 break;
1538 case '#':
1539 switch (c) {
1540 case '5':
1541 /* single height, single width */
1542 ip->escape = 0;
1543 return;
1544 case '6':
1545 /* double width, single height */
1546 ip->escape = 0;
1547 return;
1548 case '3':
1549 /* top half */
1550 ip->escape = 0;
1551 return;
1552 case '4':
1553 /* bottom half */
1554 ip->escape = 0;
1555 return;
1556 case '8':
1557 /* screen alignment pattern... */
1558 alignment_display(ip);
1559 ip->escape = 0;
1560 return;
1561 default:
1562 ip->escape = 0;
1563 return;
1564 }
1565 break;
1566 case CSI:
1567 /* the biggie... */
1568 switch (c) {
1569 case '0':
1570 case '1':
1571 case '2':
1572 case '3':
1573 case '4':
1574 case '5':
1575 case '6':
1576 case '7':
1577 case '8':
1578 case '9':
1579 case ';':
1580 case '\"':
1581 case '$':
1582 case '>':
1583 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1584 *ip->ap++ = c;
1585 return;
1586 case BS:
1587 /*
1588 * you wouldn't believe such perversion is
1589 * possible? it is.. BS is allowed in between
1590 * cursor sequences (at least), according to
1591 * vttest..
1592 */
1593 if (--ip->curx < 0)
1594 ip->curx = 0;
1595 else
1596 SUBR_CURSOR(ip, MOVE_CURSOR);
1597 break;
1598 case 'p':
1599 *ip->ap = 0;
1600 if (!strncmp(ip->argbuf, "61\"", 3))
1601 ip->emul_level = EMUL_VT100;
1602 else if (!strncmp(ip->argbuf, "63;1\"", 5)
1603 || !strncmp(ip->argbuf, "62;1\"", 5))
1604 ip->emul_level = EMUL_VT300_7;
1605 else
1606 ip->emul_level = EMUL_VT300_8;
1607 ip->escape = 0;
1608 return;
1609 case '?':
1610 *ip->ap = 0;
1611 ip->escape = '?';
1612 ip->ap = ip->argbuf;
1613 return;
1614 case 'c':
1615 *ip->ap = 0;
1616 if (ip->argbuf[0] == '>') {
1617 ite_sendstr("\033[>24;0;0;0c");
1618 } else
1619 switch (ite_zargnum(ip)) {
1620 case 0:
1621 /*
1622 * primary DA request, send
1623 * primary DA response
1624 */
1625 if (ip->emul_level
1626 == EMUL_VT100)
1627 ite_sendstr(
1628 "\033[?1;1c");
1629 else
1630 ite_sendstr(
1631 "\033[?63;1c");
1632 break;
1633 }
1634 ip->escape = 0;
1635 return;
1636 case 'n':
1637 switch (ite_zargnum(ip)) {
1638 case 5:
1639 /* no malfunction */
1640 ite_sendstr("\033[0n");
1641 break;
1642 case 6:
1643 /* cursor position report */
1644 sprintf(ip->argbuf, "\033[%d;%dR",
1645 ip->cury + 1, ip->curx + 1);
1646 ite_sendstr(ip->argbuf);
1647 break;
1648 }
1649 ip->escape = 0;
1650 return;
1651 case 'x':
1652 switch (ite_zargnum(ip)) {
1653 case 0:
1654 /* Fake some terminal parameters. */
1655 ite_sendstr("\033[2;1;1;112;112;1;0x");
1656 break;
1657 case 1:
1658 ite_sendstr("\033[3;1;1;112;112;1;0x");
1659 break;
1660 }
1661 ip->escape = 0;
1662 return;
1663 case 'g':
1664 switch (ite_zargnum(ip)) {
1665 case 0:
1666 if (ip->curx < ip->cols)
1667 ip->tabs[ip->curx] = 0;
1668 break;
1669 case 3:
1670 for (n = 0; n < ip->cols; n++)
1671 ip->tabs[n] = 0;
1672 break;
1673 }
1674 ip->escape = 0;
1675 return;
1676 case 'h':
1677 case 'l':
1678 n = ite_zargnum(ip);
1679 switch (n) {
1680 case 4:
1681 /* insert/replace mode */
1682 ip->imode = (c == 'h');
1683 break;
1684 case 20:
1685 ip->linefeed_newline = (c == 'h');
1686 break;
1687 }
1688 ip->escape = 0;
1689 return;
1690 case 'M':
1691 ite_dnline(ip, ite_argnum(ip));
1692 ip->escape = 0;
1693 return;
1694 case 'L':
1695 ite_inline(ip, ite_argnum(ip));
1696 ip->escape = 0;
1697 return;
1698 case 'P':
1699 ite_dnchar(ip, ite_argnum(ip));
1700 ip->escape = 0;
1701 return;
1702 case '@':
1703 ite_inchar(ip, ite_argnum(ip));
1704 ip->escape = 0;
1705 return;
1706 case 'G':
1707 /*
1708 * this one was *not* in my vt320 manual but in
1709 * a vt320 termcap entry.. who is right? It's
1710 * supposed to set the horizontal cursor
1711 * position.
1712 */
1713 *ip->ap = 0;
1714 x = atoi(ip->argbuf);
1715 if (x)
1716 x--;
1717 ip->curx = min(x, ip->cols - 1);
1718 ip->escape = 0;
1719 SUBR_CURSOR(ip, MOVE_CURSOR);
1720 clr_attr(ip, ATTR_INV);
1721 return;
1722 case 'd':
1723 /*
1724 * same thing here, this one's for setting the
1725 * absolute vertical cursor position. Not
1726 * documented...
1727 */
1728 *ip->ap = 0;
1729 y = atoi(ip->argbuf);
1730 if (y)
1731 y--;
1732 if (ip->inside_margins)
1733 y += ip->top_margin;
1734 ip->cury = min(y, ip->rows - 1);
1735 ip->escape = 0;
1736 snap_cury(ip);
1737 SUBR_CURSOR(ip, MOVE_CURSOR);
1738 clr_attr(ip, ATTR_INV);
1739 return;
1740 case 'H':
1741 case 'f':
1742 *ip->ap = 0;
1743 y = atoi(ip->argbuf);
1744 x = 0;
1745 cp = strchr(ip->argbuf, ';');
1746 if (cp)
1747 x = atoi(cp + 1);
1748 if (x)
1749 x--;
1750 if (y)
1751 y--;
1752 if (ip->inside_margins)
1753 y += ip->top_margin;
1754 ip->cury = min(y, ip->rows - 1);
1755 ip->curx = min(x, ip->cols - 1);
1756 ip->escape = 0;
1757 snap_cury(ip);
1758 SUBR_CURSOR(ip, MOVE_CURSOR);
1759 clr_attr(ip, ATTR_INV);
1760 return;
1761 case 'A':
1762 n = ite_argnum(ip);
1763 n = ip->cury - (n ? n : 1);
1764 if (n < 0)
1765 n = 0;
1766 if (ip->inside_margins)
1767 n = max(ip->top_margin, n);
1768 else if (n == ip->top_margin - 1)
1769 /*
1770 * allow scrolling outside region, but
1771 * don't scroll out of active region
1772 * without explicit CUP
1773 */
1774 n = ip->top_margin;
1775 ip->cury = n;
1776 ip->escape = 0;
1777 SUBR_CURSOR(ip, MOVE_CURSOR);
1778 clr_attr(ip, ATTR_INV);
1779 return;
1780 case 'B':
1781 n = ite_argnum(ip);
1782 n = ip->cury + (n ? n : 1);
1783 n = min(ip->rows - 1, n);
1784 if (ip->inside_margins)
1785 n = min(ip->bottom_margin, n);
1786 else if (n == ip->bottom_margin + 1)
1787 /*
1788 * allow scrolling outside region, but
1789 * don't scroll out of active region
1790 * without explicit CUP
1791 */
1792 n = ip->bottom_margin;
1793 ip->cury = n;
1794 ip->escape = 0;
1795 SUBR_CURSOR(ip, MOVE_CURSOR);
1796 clr_attr(ip, ATTR_INV);
1797 return;
1798 case 'C':
1799 n = ite_argnum(ip);
1800 n = n ? n : 1;
1801 ip->curx = min(ip->curx + n, ip->cols - 1);
1802 ip->escape = 0;
1803 SUBR_CURSOR(ip, MOVE_CURSOR);
1804 clr_attr(ip, ATTR_INV);
1805 return;
1806 case 'D':
1807 n = ite_argnum(ip);
1808 n = n ? n : 1;
1809 n = ip->curx - n;
1810 ip->curx = n >= 0 ? n : 0;
1811 ip->escape = 0;
1812 SUBR_CURSOR(ip, MOVE_CURSOR);
1813 clr_attr(ip, ATTR_INV);
1814 return;
1815 case 'J':
1816 *ip->ap = 0;
1817 n = ite_zargnum(ip);
1818 if (n == 0)
1819 ite_clrtoeos(ip);
1820 else if (n == 1)
1821 ite_clrtobos(ip);
1822 else if (n == 2)
1823 ite_clrscreen(ip);
1824 ip->escape = 0;
1825 return;
1826 case 'K':
1827 n = ite_zargnum(ip);
1828 if (n == 0)
1829 ite_clrtoeol(ip);
1830 else if (n == 1)
1831 ite_clrtobol(ip);
1832 else if (n == 2)
1833 ite_clrline(ip);
1834 ip->escape = 0;
1835 return;
1836 case 'X':
1837 n = ite_argnum(ip) - 1;
1838 n = min(n, ip->cols - 1 - ip->curx);
1839 for (; n >= 0; n--) {
1840 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1841 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1842 }
1843 ip->escape = 0;
1844 return;
1845 case '}':
1846 case '`':
1847 /* status line control */
1848 ip->escape = 0;
1849 return;
1850 case 'r':
1851 *ip->ap = 0;
1852 x = atoi(ip->argbuf);
1853 x = x ? x : 1;
1854 y = ip->rows;
1855 cp = strchr(ip->argbuf, ';');
1856 if (cp) {
1857 y = atoi(cp + 1);
1858 y = y ? y : ip->rows;
1859 }
1860 if (y - x < 2) {
1861 /*
1862 * if illegal scrolling region, reset
1863 * to defaults
1864 */
1865 x = 1;
1866 y = ip->rows;
1867 }
1868 x--;
1869 y--;
1870 ip->top_margin = min(x, ip->rows - 1);
1871 ip->bottom_margin = min(y, ip->rows - 1);
1872 if (ip->inside_margins) {
1873 ip->cury = ip->top_margin;
1874 ip->curx = 0;
1875 SUBR_CURSOR(ip, MOVE_CURSOR);
1876 }
1877 ip->escape = 0;
1878 return;
1879 case 'm':
1880 /* big attribute setter/resetter */
1881 { char *_cp;
1882 *ip->ap = 0;
1883 /* kludge to make CSIm work (== CSI0m) */
1884 if (ip->ap == ip->argbuf)
1885 ip->ap++;
1886 for (_cp = ip->argbuf; _cp < ip->ap;) {
1887 switch (*_cp) {
1888 case 0:
1889 case '0':
1890 clr_attr(ip, ATTR_ALL);
1891 _cp++;
1892 break;
1893
1894 case '1':
1895 set_attr(ip, ATTR_BOLD);
1896 _cp++;
1897 break;
1898
1899 case '2':
1900 switch (_cp[1]) {
1901 case '2':
1902 clr_attr(ip, ATTR_BOLD);
1903 _cp += 2;
1904 break;
1905
1906 case '4':
1907 clr_attr(ip, ATTR_UL);
1908 _cp += 2;
1909 break;
1910
1911 case '5':
1912 clr_attr(ip, ATTR_BLINK);
1913 _cp += 2;
1914 break;
1915
1916 case '7':
1917 clr_attr(ip, ATTR_INV);
1918 _cp += 2;
1919 break;
1920
1921 default:
1922 _cp++;
1923 break;
1924 }
1925 break;
1926
1927 case '4':
1928 set_attr(ip, ATTR_UL);
1929 _cp++;
1930 break;
1931
1932 case '5':
1933 set_attr(ip, ATTR_BLINK);
1934 _cp++;
1935 break;
1936
1937 case '7':
1938 set_attr(ip, ATTR_INV);
1939 _cp++;
1940 break;
1941
1942 default:
1943 _cp++;
1944 break;
1945 }
1946 }
1947 ip->escape = 0;
1948 return; }
1949 case 'u':
1950 /* DECRQTSR */
1951 ite_sendstr("\033P\033\\");
1952 ip->escape = 0;
1953 return;
1954 default:
1955 ip->escape = 0;
1956 return;
1957 }
1958 break;
1959 case '?': /* CSI ? */
1960 switch (c) {
1961 case '0':
1962 case '1':
1963 case '2':
1964 case '3':
1965 case '4':
1966 case '5':
1967 case '6':
1968 case '7':
1969 case '8':
1970 case '9':
1971 case ';':
1972 case '\"':
1973 case '$':
1974 /*
1975 * Don't fill the last character;
1976 * it's needed.
1977 * XXX yeah, where ??
1978 */
1979 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
1980 *ip->ap++ = c;
1981 return;
1982 case 'n':
1983 *ip->ap = 0;
1984 if (ip->ap == &ip->argbuf[2]) {
1985 if (!strncmp(ip->argbuf, "15", 2))
1986 /* printer status: no printer */
1987 ite_sendstr("\033[13n");
1988
1989 else if (!strncmp(ip->argbuf, "25", 2))
1990 /* udk status */
1991 ite_sendstr("\033[20n");
1992
1993 else if (!strncmp(ip->argbuf, "26", 2))
1994 /* keyboard dialect: US */
1995 ite_sendstr("\033[27;1n");
1996 }
1997 ip->escape = 0;
1998 return;
1999 case 'h':
2000 case 'l':
2001 n = ite_zargnum(ip);
2002 switch (n) {
2003 case 1:
2004 ip->cursor_appmode = (c == 'h');
2005 break;
2006 case 3:
2007 /* 132/80 columns (132 == 'h') */
2008 break;
2009 case 4: /* smooth scroll */
2010 break;
2011 case 5:
2012 /*
2013 * light background (=='h') /dark
2014 * background(=='l')
2015 */
2016 break;
2017 case 6: /* origin mode */
2018 ip->inside_margins = (c == 'h');
2019 ip->curx = 0;
2020 ip->cury = ip->inside_margins ?
2021 ip->top_margin : 0;
2022 SUBR_CURSOR(ip, MOVE_CURSOR);
2023 break;
2024 case 7: /* auto wraparound */
2025 ip->auto_wrap = (c == 'h');
2026 break;
2027 case 8: /* keyboard repeat */
2028 ip->key_repeat = (c == 'h');
2029 break;
2030 case 20: /* newline mode */
2031 ip->linefeed_newline = (c == 'h');
2032 break;
2033 case 25: /* cursor on/off */
2034 SUBR_CURSOR(ip, (c == 'h') ?
2035 DRAW_CURSOR : ERASE_CURSOR);
2036 break;
2037 }
2038 ip->escape = 0;
2039 return;
2040 default:
2041 ip->escape = 0;
2042 return;
2043 }
2044 break;
2045 default:
2046 ip->escape = 0;
2047 return;
2048 }
2049 }
2050 switch (c) {
2051 case VT: /* VT is treated like LF */
2052 case FF: /* so is FF */
2053 case LF:
2054 /*
2055 * cr->crlf distinction is done here, on output, not on input!
2056 */
2057 if (ip->linefeed_newline)
2058 ite_crlf(ip);
2059 else
2060 ite_lf(ip);
2061 break;
2062 case CR:
2063 ite_cr(ip);
2064 break;
2065 case BS:
2066 if (--ip->curx < 0)
2067 ip->curx = 0;
2068 else
2069 SUBR_CURSOR(ip, MOVE_CURSOR);
2070 break;
2071 case HT:
2072 for (n = ip->curx + 1; n < ip->cols; n++) {
2073 if (ip->tabs[n]) {
2074 ip->curx = n;
2075 SUBR_CURSOR(ip, MOVE_CURSOR);
2076 break;
2077 }
2078 }
2079 break;
2080 case BEL:
2081 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty
2082 #ifdef DRACO
2083 && !is_draco()
2084 #endif
2085 )
2086 ite_bell();
2087 break;
2088 case SO:
2089 ip->GL = ip->G1;
2090 break;
2091 case SI:
2092 ip->GL = ip->G0;
2093 break;
2094 case ENQ:
2095 /* send answer-back message !! */
2096 break;
2097 case CAN:
2098 ip->escape = 0; /* cancel any escape sequence in progress */
2099 break;
2100 case SUB:
2101 ip->escape = 0; /* dito, but see below */
2102 /* should also display a reverse question mark!! */
2103 break;
2104 case ESC:
2105 ip->escape = ESC;
2106 break;
2107 /*
2108 * now it gets weird.. 8bit control sequences..
2109 */
2110 case IND:
2111 /* index: move cursor down, scroll */
2112 ite_lf(ip);
2113 break;
2114 case NEL:
2115 /* next line. next line, first pos. */
2116 ite_crlf(ip);
2117 break;
2118 case HTS:
2119 /* set horizontal tab */
2120 if (ip->curx < ip->cols)
2121 ip->tabs[ip->curx] = 1;
2122 break;
2123 case RI:
2124 /* reverse index */
2125 ite_rlf(ip);
2126 break;
2127 case SS2:
2128 /* go into G2 for one character */
2129 /* not yet supported */
2130 break;
2131 case SS3:
2132 /* go into G3 for one character */
2133 break;
2134 case DCS:
2135 /* device control string introducer */
2136 ip->escape = DCS;
2137 ip->ap = ip->argbuf;
2138 break;
2139 case CSI:
2140 /* control sequence introducer */
2141 ip->escape = CSI;
2142 ip->ap = ip->argbuf;
2143 break;
2144 case ST:
2145 /* string terminator */
2146 /* ignore, if not used as terminator */
2147 break;
2148 case OSC:
2149 /*
2150 * introduces OS command. Ignore everything
2151 * upto ST
2152 */
2153 ip->escape = OSC;
2154 break;
2155 case PM:
2156 /* privacy message, ignore everything upto ST */
2157 ip->escape = PM;
2158 break;
2159 case APC:
2160 /*
2161 * application program command, ignore * everything upto ST
2162 */
2163 ip->escape = APC;
2164 break;
2165 default:
2166 if ((c & 0x7f) < ' ' || c == DEL)
2167 break;
2168 if (ip->imode)
2169 ite_inchar(ip, 1);
2170 iteprecheckwrap(ip);
2171 #ifdef DO_WEIRD_ATTRIBUTES
2172 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2173 attrset(ip, ATTR_INV);
2174 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2175 } else
2176 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2177 #else
2178 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2179 #endif
2180 SUBR_CURSOR(ip, DRAW_CURSOR);
2181 itecheckwrap(ip);
2182 break;
2183 }
2184 }
2185
2186