ite.c revision 1.51 1 /* $NetBSD: ite.c,v 1.51 1998/07/04 22:18:16 jonathan Exp $ */
2
3 /*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the University of
23 * California, Berkeley and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * from: Utah Hdr: ite.c 1.1 90/07/09
41 * @(#)ite.c 7.6 (Berkeley) 5/16/91
42 */
43
44 /*
45 * ite - bitmaped terminal.
46 * Supports VT200, a few terminal features will be unavailable until
47 * the system actually probes the device (i.e. not after consinit())
48 */
49
50 #include "opt_ddb.h"
51
52 #include <sys/param.h>
53 #include <sys/kernel.h>
54 #include <sys/device.h>
55 #include <sys/fcntl.h>
56 #include <sys/malloc.h>
57 #include <sys/ioctl.h>
58 #include <sys/tty.h>
59 #include <sys/termios.h>
60 #include <sys/systm.h>
61 #include <sys/proc.h>
62 #include <dev/cons.h>
63 #include <amiga/amiga/cc.h>
64 #include <amiga/amiga/color.h> /* DEBUG */
65 #include <amiga/amiga/custom.h> /* DEBUG */
66 #include <amiga/amiga/device.h>
67 #include <amiga/amiga/isr.h>
68 #include <amiga/dev/iteioctl.h>
69 #include <amiga/dev/itevar.h>
70 #include <amiga/dev/kbdmap.h>
71 #include <amiga/dev/grfioctl.h>
72 #include <amiga/dev/grfvar.h>
73
74 #include <machine/cpu.h> /* for is_draco() */
75
76 #include <sys/conf.h>
77 #include <machine/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 u_int ite_confunits; /* configured units */
97
98 int start_repeat_timeo = 30; /* first repeat after x s/100 */
99 int next_repeat_timeo = 10; /* next repeat after x s/100 */
100
101 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
102
103 struct ite_softc con_itesoftc;
104 u_char cons_tabs[MAX_TABS];
105
106 struct ite_softc *kbd_ite;
107
108 /* audio bell stuff */
109 u_int bvolume = 10;
110 u_int bpitch = 660;
111 u_int bmsec = 75;
112
113 static char *bsamplep;
114 static char sample[20] = {
115 0,39,75,103,121,127,121,103,75,39,0,
116 -39,-75,-103,-121,-127,-121,-103,-75,-39
117 };
118
119 static char *index __P((const char *, char));
120 void iteputchar __P((int c, struct ite_softc *ip));
121 void ite_putstr __P((const char * s, int len, dev_t dev));
122 void iteattach __P((struct device *, struct device *, void *));
123 int itematch __P((struct device *, struct cfdata *, void *));
124 static void iteprecheckwrap __P((struct ite_softc *));
125 static void itecheckwrap __P((struct ite_softc *));
126 struct ite_softc *getitesp __P((dev_t));
127 void init_bell __P((void));
128 void ite_bell __P((void));
129 void itecnpollc __P((dev_t, int));
130 static void repeat_handler __P((void *));
131 inline static void ite_sendstr __P((char *));
132 static void alignment_display __P((struct ite_softc *));
133 inline static void snap_cury __P((struct ite_softc *));
134 inline static void ite_dnchar __P((struct ite_softc *, int));
135 inline static void ite_inchar __P((struct ite_softc *, int));
136 inline static void ite_clrtoeol __P((struct ite_softc *));
137 inline static void ite_clrtobol __P((struct ite_softc *));
138 inline static void ite_clrline __P((struct ite_softc *));
139 inline static void ite_clrtoeos __P((struct ite_softc *));
140 inline static void ite_clrtobos __P((struct ite_softc *));
141 inline static void ite_clrscreen __P((struct ite_softc *));
142 inline static void ite_dnline __P((struct ite_softc *, int));
143 inline static void ite_inline __P((struct ite_softc *, int));
144 inline static void ite_lf __P((struct ite_softc *));
145 inline static void ite_crlf __P((struct ite_softc *));
146 inline static void ite_cr __P((struct ite_softc *));
147 inline static void ite_rlf __P((struct ite_softc *));
148 inline static int atoi __P((const char *));
149 inline static int ite_argnum __P((struct ite_softc *));
150 inline static int ite_zargnum __P((struct ite_softc *));
151
152 struct cfattach ite_ca = {
153 sizeof(struct ite_softc), itematch, iteattach
154 };
155
156 extern struct cfdriver ite_cd;
157
158 int
159 itematch(pdp, cfp, auxp)
160 struct device *pdp;
161 struct cfdata *cfp;
162 void *auxp;
163 {
164 struct grf_softc *gp;
165 int maj;
166
167 gp = auxp;
168 /*
169 * all that our mask allows (more than enough no one
170 * has > 32 monitors for text consoles on one machine)
171 */
172 if (cfp->cf_unit >= sizeof(ite_confunits) * NBBY)
173 return(0);
174 /*
175 * XXX
176 * normally this would be done in attach, however
177 * during early init we do not have a device pointer
178 * and thus no unit number.
179 */
180 for(maj = 0; maj < nchrdev; maj++)
181 if (cdevsw[maj].d_open == iteopen)
182 break;
183 gp->g_itedev = makedev(maj, cfp->cf_unit);
184 return(1);
185 }
186
187 void
188 iteattach(pdp, dp, auxp)
189 struct device *pdp, *dp;
190 void *auxp;
191 {
192 struct grf_softc *gp;
193 struct ite_softc *ip;
194 int s;
195
196 gp = (struct grf_softc *)auxp;
197
198 /*
199 * mark unit as attached (XXX see itematch)
200 */
201 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
202
203 if (dp) {
204 ip = (struct ite_softc *)dp;
205
206 s = spltty();
207 if (con_itesoftc.grf != NULL &&
208 con_itesoftc.grf->g_unit == gp->g_unit) {
209 /*
210 * console reinit copy params over.
211 * and console always gets keyboard
212 */
213 bcopy(&con_itesoftc.grf, &ip->grf,
214 (char *)&ip[1] - (char *)&ip->grf);
215 con_itesoftc.grf = NULL;
216 kbd_ite = ip;
217 }
218 ip->grf = gp;
219 splx(s);
220
221 alloc_sicallback();
222 iteinit(gp->g_itedev);
223 printf(": rows %d cols %d", ip->rows, ip->cols);
224 printf(" repeat at (%d/100)s next at (%d/100)s",
225 start_repeat_timeo, next_repeat_timeo);
226
227 if (kbd_ite == NULL)
228 kbd_ite = ip;
229 if (kbd_ite == ip)
230 printf(" has keyboard");
231 printf("\n");
232 } else {
233 if (con_itesoftc.grf != NULL &&
234 con_itesoftc.grf->g_conpri > gp->g_conpri)
235 return;
236 con_itesoftc.grf = gp;
237 con_itesoftc.tabs = cons_tabs;
238 }
239 }
240
241 struct ite_softc *
242 getitesp(dev)
243 dev_t dev;
244 {
245 if (amiga_realconfig && con_itesoftc.grf == NULL)
246 return(ite_cd.cd_devs[ITEUNIT(dev)]);
247
248 if (con_itesoftc.grf == NULL)
249 panic("no ite_softc for console");
250 return(&con_itesoftc);
251 }
252
253 /*
254 * cons.c entry points into ite device.
255 */
256
257 /*
258 * Return a priority in consdev->cn_pri field highest wins. This function
259 * is called before any devices have been probed.
260 */
261 void
262 itecnprobe(cd)
263 struct consdev *cd;
264 {
265 /*
266 * bring graphics layer up.
267 */
268 config_console();
269
270 /*
271 * return priority of the best ite (already picked from attach)
272 * or CN_DEAD.
273 */
274 if (con_itesoftc.grf == NULL)
275 cd->cn_pri = CN_DEAD;
276 else {
277 cd->cn_pri = con_itesoftc.grf->g_conpri;
278 cd->cn_dev = con_itesoftc.grf->g_itedev;
279 }
280 }
281
282 /* audio bell stuff */
283 void
284 init_bell()
285 {
286 if (bsamplep != NULL)
287 return;
288 bsamplep = alloc_chipmem(20);
289 if (bsamplep == NULL)
290 panic("no chipmem for ite_bell");
291
292 bcopy(sample, bsamplep, 20);
293 }
294
295 void
296 ite_bell()
297 {
298 u_int clock;
299 u_int period;
300 u_int count;
301
302 clock = 3579545; /* PAL 3546895 */
303
304 /*
305 * the number of clock ticks per sample byte must be > 124
306 * ergo bpitch must be < clock / 124*20
307 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously
308 */
309 period = clock / (bpitch * 20);
310 count = bmsec * bpitch / 1000;
311
312 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count);
313 }
314
315 void
316 itecninit(cd)
317 struct consdev *cd;
318 {
319 struct ite_softc *ip;
320
321 ip = getitesp(cd->cn_dev);
322 iteinit(cd->cn_dev);
323 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
324
325 #ifdef DRACO
326 if (!is_draco())
327 #endif
328 init_bell();
329 }
330
331 /*
332 * ite_cnfinish() is called in ite_init() when the device is
333 * being probed in the normal fasion, thus we can finish setting
334 * up this ite now that the system is more functional.
335 */
336 void
337 ite_cnfinish(ip)
338 struct ite_softc *ip;
339 {
340 static int done;
341
342 if (done)
343 return;
344 done = 1;
345 }
346
347 int
348 itecngetc(dev)
349 dev_t dev;
350 {
351 int c;
352
353 /* XXX this should be moved */
354 kbdenable();
355 do {
356 c = kbdgetcn();
357 c = ite_cnfilter(c, ITEFILT_CONSOLE);
358 } while (c == -1);
359 return (c);
360 }
361
362 void
363 itecnputc(dev, c)
364 dev_t dev;
365 int c;
366 {
367 static int paniced;
368 struct ite_softc *ip;
369 char ch;
370
371 ip = getitesp(dev);
372 ch = c;
373
374 if (panicstr && !paniced &&
375 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
376 (void)ite_on(dev, 3);
377 paniced = 1;
378 }
379 iteputchar(ch, ip);
380 }
381
382 void
383 itecnpollc(dev, on)
384 dev_t dev;
385 int on;
386 {
387
388 }
389
390 /*
391 * standard entry points to the device.
392 */
393
394 /*
395 * iteinit() is the standard entry point for initialization of
396 * an ite device, it is also called from ite_cninit().
397 *
398 */
399 void
400 iteinit(dev)
401 dev_t dev;
402 {
403 struct ite_softc *ip;
404 static int kbdmap_loaded = 0;
405
406 ip = getitesp(dev);
407 if (ip->flags & ITE_INITED)
408 return;
409 if (kbdmap_loaded == 0) {
410 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
411 kbdmap_loaded = 1;
412 }
413
414 ip->cursorx = 0;
415 ip->cursory = 0;
416 SUBR_INIT(ip);
417 SUBR_CURSOR(ip, DRAW_CURSOR);
418 if (ip->tabs == NULL)
419 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
420 ite_reset(ip);
421 ip->flags |= ITE_INITED;
422 }
423
424 int
425 iteopen(dev, mode, devtype, p)
426 dev_t dev;
427 int mode, devtype;
428 struct proc *p;
429 {
430 struct ite_softc *ip;
431 struct tty *tp;
432 int error, first, unit;
433
434 unit = ITEUNIT(dev);
435 first = 0;
436
437 if (((1 << unit) & ite_confunits) == 0)
438 return (ENXIO);
439
440 ip = getitesp(dev);
441
442 if (ip->tp == NULL) {
443 tp = ip->tp = ttymalloc();
444 tty_attach(tp);
445 } else
446 tp = ip->tp;
447 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
448 && p->p_ucred->cr_uid != 0)
449 return (EBUSY);
450 if ((ip->flags & ITE_ACTIVE) == 0) {
451 error = ite_on(dev, 0);
452 if (error)
453 return (error);
454 first = 1;
455 }
456 tp->t_oproc = itestart;
457 tp->t_param = ite_param;
458 tp->t_dev = dev;
459 if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) {
460 ttychars(tp);
461 tp->t_iflag = TTYDEF_IFLAG;
462 tp->t_oflag = TTYDEF_OFLAG;
463 tp->t_cflag = TTYDEF_CFLAG;
464 tp->t_lflag = TTYDEF_LFLAG;
465 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
466 tp->t_state = TS_CARR_ON;
467 ttsetwater(tp);
468 }
469 error = ttyopen(tp, 0, mode & O_NONBLOCK);
470 if (error)
471 goto bad;
472
473 error = (*linesw[tp->t_line].l_open) (dev, tp);
474 if (error)
475 goto bad;
476
477 tp->t_winsize.ws_row = ip->rows;
478 tp->t_winsize.ws_col = ip->cols;
479 kbdenable();
480 return (0);
481 bad:
482 if (first)
483 ite_off(dev, 0);
484 return (error);
485 }
486
487 int
488 iteclose(dev, flag, mode, p)
489 dev_t dev;
490 int flag, mode;
491 struct proc *p;
492 {
493 struct tty *tp;
494
495 tp = getitesp(dev)->tp;
496
497 KDASSERT(tp);
498 (*linesw[tp->t_line].l_close) (tp, flag);
499 ttyclose(tp);
500 ite_off(dev, 0);
501 return (0);
502 }
503
504 int
505 iteread(dev, uio, flag)
506 dev_t dev;
507 struct uio *uio;
508 int flag;
509 {
510 struct tty *tp;
511
512 tp = getitesp(dev)->tp;
513
514 KDASSERT(tp);
515 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
516 }
517
518 int
519 itewrite(dev, uio, flag)
520 dev_t dev;
521 struct uio *uio;
522 int flag;
523 {
524 struct tty *tp;
525
526 tp = getitesp(dev)->tp;
527
528 KDASSERT(tp);
529 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
530 }
531
532 struct tty *
533 itetty(dev)
534 dev_t dev;
535 {
536 return (getitesp(dev)->tp);
537 }
538
539 void
540 itestop(tp, flag)
541 struct tty *tp;
542 int flag;
543 {
544
545 }
546
547 int
548 iteioctl(dev, cmd, addr, flag, p)
549 dev_t dev;
550 u_long cmd;
551 caddr_t addr;
552 int flag;
553 struct proc *p;
554 {
555 struct iterepeat *irp;
556 struct ite_softc *ip;
557 struct itebell *ib;
558 struct tty *tp;
559 int error;
560
561 ip = getitesp(dev);
562 tp = ip->tp;
563
564 KDASSERT(tp);
565
566 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, addr, flag, p);
567 if (error >= 0)
568 return (error);
569 error = ttioctl(tp, cmd, addr, flag, p);
570 if (error >= 0)
571 return (error);
572
573 switch (cmd) {
574 case ITEIOCGBELL:
575 ib = (struct itebell *)addr;
576 ib->volume = bvolume;
577 ib->pitch = bpitch;
578 ib->msec = bmsec;
579 return (0);
580 case ITEIOCSBELL:
581 ib = (struct itebell *)addr;
582
583 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH ||
584 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME)
585 return (EINVAL);
586 bvolume = ib->volume;
587 bpitch = ib->pitch;
588 bmsec = ib->msec;
589 return (0);
590 case ITEIOCSKMAP:
591 if (addr == 0)
592 return(EFAULT);
593 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
594 return(0);
595 case ITEIOCGKMAP:
596 if (addr == NULL)
597 return(EFAULT);
598 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
599 return(0);
600 case ITEIOCGREPT:
601 irp = (struct iterepeat *)addr;
602 irp->start = start_repeat_timeo;
603 irp->next = next_repeat_timeo;
604 return (0);
605 case ITEIOCSREPT:
606 irp = (struct iterepeat *)addr;
607 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
608 return(EINVAL);
609 start_repeat_timeo = irp->start;
610 next_repeat_timeo = irp->next;
611 return(0);
612 }
613 #if NGRFCC > 0
614 /* XXX */
615 if (minor(dev) == 0) {
616 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
617 if (error >= 0)
618 return (error);
619 }
620 #endif
621 return (ENOTTY);
622 }
623
624 void
625 itestart(tp)
626 struct tty *tp;
627 {
628 struct clist *rbp;
629 struct ite_softc *ip;
630 u_char buf[ITEBURST];
631 int s, len;
632
633 ip = getitesp(tp->t_dev);
634
635 KDASSERT(tp);
636
637 s = spltty(); {
638 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
639 goto out;
640
641 tp->t_state |= TS_BUSY;
642 rbp = &tp->t_outq;
643
644 len = q_to_b(rbp, buf, ITEBURST);
645 } splx(s);
646
647 /* Here is a really good place to implement pre/jumpscroll() */
648 ite_putstr(buf, len, tp->t_dev);
649
650 s = spltty(); {
651 tp->t_state &= ~TS_BUSY;
652 /* we have characters remaining. */
653 if (rbp->c_cc) {
654 tp->t_state |= TS_TIMEOUT;
655 timeout(ttrstrt, tp, 1);
656 }
657 /* wakeup we are below */
658 if (rbp->c_cc <= tp->t_lowat) {
659 if (tp->t_state & TS_ASLEEP) {
660 tp->t_state &= ~TS_ASLEEP;
661 wakeup((caddr_t) rbp);
662 }
663 selwakeup(&tp->t_wsel);
664 }
665 out:
666 } splx(s);
667 }
668
669 int
670 ite_on(dev, flag)
671 dev_t dev;
672 int flag;
673 {
674 struct ite_softc *ip;
675 int unit;
676
677 unit = ITEUNIT(dev);
678 if (((1 << unit) & ite_confunits) == 0)
679 return (ENXIO);
680
681 ip = getitesp(dev);
682
683 /* force ite active, overriding graphics mode */
684 if (flag & 1) {
685 ip->flags |= ITE_ACTIVE;
686 ip->flags &= ~(ITE_INGRF | ITE_INITED);
687 }
688 /* leave graphics mode */
689 if (flag & 2) {
690 ip->flags &= ~ITE_INGRF;
691 if ((ip->flags & ITE_ACTIVE) == 0)
692 return (0);
693 }
694 ip->flags |= ITE_ACTIVE;
695 if (ip->flags & ITE_INGRF)
696 return (0);
697 iteinit(dev);
698 return (0);
699 }
700
701 void
702 ite_off(dev, flag)
703 dev_t dev;
704 int flag;
705 {
706 struct ite_softc *ip;
707
708 ip = getitesp(dev);
709 if (flag & 2)
710 ip->flags |= ITE_INGRF;
711 if ((ip->flags & ITE_ACTIVE) == 0)
712 return;
713 if ((flag & 1) ||
714 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
715 SUBR_DEINIT(ip);
716 /* XXX hmm grfon() I think wants this to go inactive. */
717 if ((flag & 2) == 0)
718 ip->flags &= ~ITE_ACTIVE;
719 }
720
721 /* XXX called after changes made in underlying grf layer. */
722 /* I want to nuke this */
723 void
724 ite_reinit(dev)
725 dev_t dev;
726 {
727 struct ite_softc *ip;
728
729 ip = getitesp(dev);
730 ip->flags &= ~ITE_INITED;
731 iteinit(dev);
732 }
733
734 int
735 ite_param(tp, t)
736 struct tty *tp;
737 struct termios *t;
738 {
739 tp->t_ispeed = t->c_ispeed;
740 tp->t_ospeed = t->c_ospeed;
741 tp->t_cflag = t->c_cflag;
742 return (0);
743 }
744
745 void
746 ite_reset(ip)
747 struct ite_softc *ip;
748 {
749 int i;
750
751 ip->curx = 0;
752 ip->cury = 0;
753 ip->attribute = ATTR_NOR;
754 ip->save_curx = 0;
755 ip->save_cury = 0;
756 ip->save_attribute = ATTR_NOR;
757 ip->ap = ip->argbuf;
758 ip->emul_level = 0;
759 ip->eightbit_C1 = 0;
760 ip->top_margin = 0;
761 ip->bottom_margin = ip->rows - 1;
762 ip->inside_margins = 0;
763 ip->linefeed_newline = 0;
764 ip->auto_wrap = ite_default_wrap;
765 ip->cursor_appmode = 0;
766 ip->keypad_appmode = 0;
767 ip->imode = 0;
768 ip->key_repeat = 1;
769 bzero(ip->tabs, ip->cols);
770 for (i = 0; i < ip->cols; i++)
771 ip->tabs[i] = ((i & 7) == 0);
772 }
773
774 /*
775 * has to be global becuase of the shared filters.
776 */
777 static u_char key_mod;
778 static u_char last_dead;
779
780 /* Used in console at startup only */
781 int
782 ite_cnfilter(c, caller)
783 u_char c;
784 enum caller caller;
785 {
786 struct key key;
787 u_char code, up, mask;
788 int s, i;
789
790 up = c & 0x80 ? 1 : 0;
791 c &= 0x7f;
792 code = 0;
793
794 s = spltty();
795
796 i = (int)c - KBD_LEFT_SHIFT;
797 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
798 mask = 1 << i;
799 if (up)
800 key_mod &= ~mask;
801 else
802 key_mod |= mask;
803 splx(s);
804 return -1;
805 }
806
807 if (up) {
808 splx(s);
809 return -1;
810 }
811
812 /* translate modifiers */
813 if (key_mod & KBD_MOD_SHIFT) {
814 if (key_mod & KBD_MOD_ALT)
815 key = kbdmap.alt_shift_keys[c];
816 else
817 key = kbdmap.shift_keys[c];
818 } else if (key_mod & KBD_MOD_ALT)
819 key = kbdmap.alt_keys[c];
820 else {
821 key = kbdmap.keys[c];
822 /* if CAPS and key is CAPable (no pun intended) */
823 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
824 key = kbdmap.shift_keys[c];
825 }
826 code = key.code;
827
828 /* if string return */
829 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
830 splx(s);
831 return -1;
832 }
833 /* handle dead keys */
834 if (key.mode & KBD_MODE_DEAD) {
835 /* if entered twice, send accent itself */
836 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
837 last_dead = 0;
838 else {
839 last_dead = key.mode & KBD_MODE_ACCMASK;
840 splx(s);
841 return -1;
842 }
843 }
844 if (last_dead) {
845 /* can't apply dead flag to string-keys */
846 if (code >= '@' && code < 0x7f)
847 code =
848 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
849 last_dead = 0;
850 }
851 if (key_mod & KBD_MOD_CTRL)
852 code &= 0x1f;
853 if (key_mod & KBD_MOD_META)
854 code |= 0x80;
855
856 /* do console mapping. */
857 code = code == '\r' ? '\n' : code;
858
859 splx(s);
860 return (code);
861 }
862
863 /* And now the old stuff. */
864
865 /* these are used to implement repeating keys.. */
866 static u_char last_char;
867 static u_char tout_pending;
868
869 /*ARGSUSED*/
870 static void
871 repeat_handler(arg)
872 void *arg;
873 {
874 tout_pending = 0;
875 if (last_char)
876 ite_filter(last_char, ITEFILT_REPEATER);
877 }
878
879 void
880 ite_filter(c, caller)
881 u_char c;
882 enum caller caller;
883 {
884 struct tty *kbd_tty;
885 u_char code, *str, up, mask;
886 struct key key;
887 int s, i;
888
889 if (kbd_ite == NULL || kbd_ite->tp == NULL)
890 return;
891
892 kbd_tty = kbd_ite->tp;
893
894 /* have to make sure we're at spltty in here */
895 s = spltty();
896
897 /*
898 * keyboard interrupts come at priority 2, while softint
899 * generated keyboard-repeat interrupts come at level 1. So,
900 * to not allow a key-up event to get thru before a repeat for
901 * the key-down, we remove any outstanding callout requests..
902 rem_sicallback(ite_sifilter);
903 */
904
905 up = c & 0x80 ? 1 : 0;
906 c &= 0x7f;
907 code = 0;
908
909 i = (int)c - KBD_LEFT_SHIFT;
910 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
911 mask = 1 << i;
912 if (up)
913 key_mod &= ~mask;
914 else
915 key_mod |= mask;
916 splx(s);
917 return;
918 }
919 /* stop repeating on up event */
920 if (up) {
921 if (tout_pending) {
922 untimeout(repeat_handler, 0);
923 tout_pending = 0;
924 last_char = 0;
925 }
926 splx(s);
927 return;
928 } else if (tout_pending && last_char != c) {
929 /* different character, stop also */
930 untimeout(repeat_handler, 0);
931 tout_pending = 0;
932 last_char = 0;
933 }
934 /* Safety button, switch back to ascii keymap. */
935 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
936 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
937
938 splx(s);
939 return;
940 #ifdef DDB
941 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
942 Debugger();
943 splx(s);
944 return;
945 #endif
946 }
947 /* translate modifiers */
948 if (key_mod & KBD_MOD_SHIFT) {
949 if (key_mod & KBD_MOD_ALT)
950 key = kbdmap.alt_shift_keys[c];
951 else
952 key = kbdmap.shift_keys[c];
953 } else if (key_mod & KBD_MOD_ALT)
954 key = kbdmap.alt_keys[c];
955 else {
956 key = kbdmap.keys[c];
957 /* if CAPS and key is CAPable (no pun intended) */
958 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
959 key = kbdmap.shift_keys[c];
960 }
961 code = key.code;
962
963 /*
964 * arrange to repeat the keystroke. By doing this at the level
965 * of scan-codes, we can have function keys, and keys that
966 * send strings, repeat too. This also entitles an additional
967 * overhead, since we have to do the conversion each time, but
968 * I guess that's ok.
969 */
970 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
971 tout_pending = 1;
972 last_char = c;
973 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100);
974 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
975 kbd_ite->key_repeat) {
976 tout_pending = 1;
977 last_char = c;
978 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100);
979 }
980 /* handle dead keys */
981 if (key.mode & KBD_MODE_DEAD) {
982 /* if entered twice, send accent itself */
983 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
984 last_dead = 0;
985 else {
986 last_dead = key.mode & KBD_MODE_ACCMASK;
987 splx(s);
988 return;
989 }
990 }
991 if (last_dead) {
992 /* can't apply dead flag to string-keys */
993 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
994 code < 0x7f)
995 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
996 last_dead = 0;
997 }
998 /* if not string, apply META and CTRL modifiers */
999 if (!(key.mode & KBD_MODE_STRING)
1000 && (!(key.mode & KBD_MODE_KPAD) ||
1001 (kbd_ite && !kbd_ite->keypad_appmode))) {
1002 if (key_mod & KBD_MOD_CTRL)
1003 code &= 0x1f;
1004 if (key_mod & KBD_MOD_META)
1005 code |= 0x80;
1006 } else if ((key.mode & KBD_MODE_KPAD) &&
1007 (kbd_ite && kbd_ite->keypad_appmode)) {
1008 static char in[] = {
1009 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */,
1010 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */,
1011 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */,
1012 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */,
1013 0x5c /* / */, 0x5d /* * */
1014 };
1015 static char *out = "pqrstuvwxymlnMPQRS";
1016 char *cp = index (in, c);
1017
1018 /*
1019 * keypad-appmode sends SS3 followed by the above
1020 * translated character
1021 */
1022 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
1023 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty);
1024 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
1025 splx(s);
1026 return;
1027 } else {
1028 /* *NO* I don't like this.... */
1029 static u_char app_cursor[] =
1030 {
1031 3, 27, 'O', 'A',
1032 3, 27, 'O', 'B',
1033 3, 27, 'O', 'C',
1034 3, 27, 'O', 'D'};
1035
1036 str = kbdmap.strings + code;
1037 /*
1038 * if this is a cursor key, AND it has the default
1039 * keymap setting, AND we're in app-cursor mode, switch
1040 * to the above table. This is *nasty* !
1041 */
1042 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
1043 && !bcmp(str, "\x03\x1b[", 3) &&
1044 index("ABCD", str[3]))
1045 str = app_cursor + 4 * (str[3] - 'A');
1046
1047 /*
1048 * using a length-byte instead of 0-termination allows
1049 * to embed \0 into strings, although this is not used
1050 * in the default keymap
1051 */
1052 for (i = *str++; i; i--)
1053 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1054 splx(s);
1055 return;
1056 }
1057 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
1058
1059 splx(s);
1060 return;
1061 }
1062
1063 /* helper functions, makes the code below more readable */
1064 inline static void
1065 ite_sendstr(str)
1066 char *str;
1067 {
1068 struct tty *kbd_tty;
1069
1070 kbd_tty = kbd_ite->tp;
1071 KDASSERT(kbd_tty);
1072 while (*str)
1073 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1074 }
1075
1076 static void
1077 alignment_display(ip)
1078 struct ite_softc *ip;
1079 {
1080 int i, j;
1081
1082 for (j = 0; j < ip->rows; j++)
1083 for (i = 0; i < ip->cols; i++)
1084 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1085 attrclr(ip, 0, 0, ip->rows, ip->cols);
1086 SUBR_CURSOR(ip, DRAW_CURSOR);
1087 }
1088
1089 inline static void
1090 snap_cury(ip)
1091 struct ite_softc *ip;
1092 {
1093 if (ip->inside_margins)
1094 {
1095 if (ip->cury < ip->top_margin)
1096 ip->cury = ip->top_margin;
1097 if (ip->cury > ip->bottom_margin)
1098 ip->cury = ip->bottom_margin;
1099 }
1100 }
1101
1102 inline static void
1103 ite_dnchar(ip, n)
1104 struct ite_softc *ip;
1105 int n;
1106 {
1107 n = min(n, ip->cols - ip->curx);
1108 if (n < ip->cols - ip->curx)
1109 {
1110 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1111 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1112 1, ip->cols - ip->curx - n);
1113 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1114 }
1115 while (n-- > 0)
1116 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1117 SUBR_CURSOR(ip, DRAW_CURSOR);
1118 }
1119
1120 inline static void
1121 ite_inchar(ip, n)
1122 struct ite_softc *ip;
1123 int n;
1124 {
1125 n = min(n, ip->cols - ip->curx);
1126 if (n < ip->cols - ip->curx)
1127 {
1128 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1129 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1130 1, ip->cols - ip->curx - n);
1131 attrclr(ip, ip->cury, ip->curx, 1, n);
1132 }
1133 while (n--)
1134 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1135 SUBR_CURSOR(ip, DRAW_CURSOR);
1136 }
1137
1138 inline static void
1139 ite_clrtoeol(ip)
1140 struct ite_softc *ip;
1141 {
1142 int y = ip->cury, x = ip->curx;
1143 if (ip->cols - x > 0)
1144 {
1145 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1146 attrclr(ip, y, x, 1, ip->cols - x);
1147 SUBR_CURSOR(ip, DRAW_CURSOR);
1148 }
1149 }
1150
1151 inline static void
1152 ite_clrtobol(ip)
1153 struct ite_softc *ip;
1154 {
1155 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1156 SUBR_CLEAR(ip, y, 0, 1, x);
1157 attrclr(ip, y, 0, 1, x);
1158 SUBR_CURSOR(ip, DRAW_CURSOR);
1159 }
1160
1161 inline static void
1162 ite_clrline(ip)
1163 struct ite_softc *ip;
1164 {
1165 int y = ip->cury;
1166 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1167 attrclr(ip, y, 0, 1, ip->cols);
1168 SUBR_CURSOR(ip, DRAW_CURSOR);
1169 }
1170
1171
1172
1173 inline static void
1174 ite_clrtoeos(ip)
1175 struct ite_softc *ip;
1176 {
1177 ite_clrtoeol(ip);
1178 if (ip->cury < ip->rows - 1)
1179 {
1180 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1181 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1182 SUBR_CURSOR(ip, DRAW_CURSOR);
1183 }
1184 }
1185
1186 inline static void
1187 ite_clrtobos(ip)
1188 struct ite_softc *ip;
1189 {
1190 ite_clrtobol(ip);
1191 if (ip->cury > 0)
1192 {
1193 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1194 attrclr(ip, 0, 0, ip->cury, ip->cols);
1195 SUBR_CURSOR(ip, DRAW_CURSOR);
1196 }
1197 }
1198
1199 inline static void
1200 ite_clrscreen(ip)
1201 struct ite_softc *ip;
1202 {
1203 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1204 attrclr(ip, 0, 0, ip->rows, ip->cols);
1205 SUBR_CURSOR(ip, DRAW_CURSOR);
1206 }
1207
1208
1209
1210 inline static void
1211 ite_dnline(ip, n)
1212 struct ite_softc *ip;
1213 int n;
1214 {
1215 /* interesting.. if the cursor is outside the scrolling
1216 region, this command is simply ignored.. */
1217 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1218 return;
1219
1220 n = min(n, ip->bottom_margin + 1 - ip->cury);
1221 if (n <= ip->bottom_margin - ip->cury)
1222 {
1223 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1224 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1225 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1226 }
1227 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1228 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1229 SUBR_CURSOR(ip, DRAW_CURSOR);
1230 }
1231
1232 inline static void
1233 ite_inline(ip, n)
1234 struct ite_softc *ip;
1235 int n;
1236 {
1237 /* interesting.. if the cursor is outside the scrolling
1238 region, this command is simply ignored.. */
1239 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1240 return;
1241
1242 n = min(n, ip->bottom_margin + 1 - ip->cury);
1243 if (n <= ip->bottom_margin - ip->cury)
1244 {
1245 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1246 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1247 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1248 }
1249 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1250 attrclr(ip, ip->cury, 0, n, ip->cols);
1251 SUBR_CURSOR(ip, DRAW_CURSOR);
1252 }
1253
1254 inline static void
1255 ite_lf (ip)
1256 struct ite_softc *ip;
1257 {
1258 ++ip->cury;
1259 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1260 {
1261 ip->cury--;
1262 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1263 ite_clrline(ip);
1264 }
1265 SUBR_CURSOR(ip, MOVE_CURSOR);
1266 clr_attr(ip, ATTR_INV);
1267 }
1268
1269 inline static void
1270 ite_crlf (ip)
1271 struct ite_softc *ip;
1272 {
1273 ip->curx = 0;
1274 ite_lf (ip);
1275 }
1276
1277 inline static void
1278 ite_cr (ip)
1279 struct ite_softc *ip;
1280 {
1281 if (ip->curx)
1282 {
1283 ip->curx = 0;
1284 SUBR_CURSOR(ip, MOVE_CURSOR);
1285 }
1286 }
1287
1288 inline static void
1289 ite_rlf (ip)
1290 struct ite_softc *ip;
1291 {
1292 ip->cury--;
1293 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1294 {
1295 ip->cury++;
1296 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1297 ite_clrline(ip);
1298 }
1299 SUBR_CURSOR(ip, MOVE_CURSOR);
1300 clr_attr(ip, ATTR_INV);
1301 }
1302
1303 inline static int
1304 atoi (cp)
1305 const char *cp;
1306 {
1307 int n;
1308
1309 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1310 n = n * 10 + *cp - '0';
1311
1312 return n;
1313 }
1314
1315 static char *
1316 index (cp, ch)
1317 const char *cp;
1318 char ch;
1319 {
1320 while (*cp && *cp != ch) cp++;
1321 return *cp ? (char *) cp : 0;
1322 }
1323
1324
1325
1326 inline static int
1327 ite_argnum (ip)
1328 struct ite_softc *ip;
1329 {
1330 char ch;
1331 int n;
1332
1333 /* convert argument string into number */
1334 if (ip->ap == ip->argbuf)
1335 return 1;
1336 ch = *ip->ap;
1337 *ip->ap = 0;
1338 n = atoi (ip->argbuf);
1339 *ip->ap = ch;
1340
1341 return n;
1342 }
1343
1344 inline static int
1345 ite_zargnum (ip)
1346 struct ite_softc *ip;
1347 {
1348 char ch;
1349 int n;
1350
1351 /* convert argument string into number */
1352 if (ip->ap == ip->argbuf)
1353 return 0;
1354 ch = *ip->ap;
1355 *ip->ap = 0;
1356 n = atoi (ip->argbuf);
1357 *ip->ap = ch;
1358
1359 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1360 }
1361
1362 void
1363 ite_putstr(s, len, dev)
1364 const char *s;
1365 int len;
1366 dev_t dev;
1367 {
1368 struct ite_softc *ip;
1369 int i;
1370
1371 ip = getitesp(dev);
1372
1373 /* XXX avoid problems */
1374 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1375 return;
1376
1377 SUBR_CURSOR(ip, START_CURSOROPT);
1378 for (i = 0; i < len; i++)
1379 if (s[i])
1380 iteputchar(s[i], ip);
1381 SUBR_CURSOR(ip, END_CURSOROPT);
1382 }
1383
1384 static void
1385 iteprecheckwrap(ip)
1386 struct ite_softc *ip;
1387 {
1388 if (ip->auto_wrap && ip->curx == ip->cols) {
1389 ip->curx = 0;
1390 clr_attr(ip, ATTR_INV);
1391 if (++ip->cury >= ip->bottom_margin + 1) {
1392 ip->cury = ip->bottom_margin;
1393 SUBR_CURSOR(ip, MOVE_CURSOR);
1394 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1395 ite_clrtoeol(ip);
1396 } else
1397 SUBR_CURSOR(ip, MOVE_CURSOR);
1398 }
1399 }
1400
1401 static void
1402 itecheckwrap(ip)
1403 struct ite_softc *ip;
1404 {
1405 #if 0
1406 if (++ip->curx == ip->cols) {
1407 if (ip->auto_wrap) {
1408 ip->curx = 0;
1409 clr_attr(ip, ATTR_INV);
1410 if (++ip->cury >= ip->bottom_margin + 1) {
1411 ip->cury = ip->bottom_margin;
1412 SUBR_CURSOR(ip, MOVE_CURSOR);
1413 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1414 ite_clrtoeol(ip);
1415 return;
1416 }
1417 } else
1418 /* stay there if no autowrap.. */
1419 ip->curx--;
1420 }
1421 #else
1422 if (ip->curx < ip->cols) {
1423 ip->curx++;
1424 SUBR_CURSOR(ip, MOVE_CURSOR);
1425 }
1426 #endif
1427 }
1428
1429 void
1430 iteputchar(c, ip)
1431 register int c;
1432 struct ite_softc *ip;
1433 {
1434 struct tty *kbd_tty;
1435 int n, x, y;
1436 char *cp;
1437
1438 if (kbd_ite == NULL)
1439 kbd_tty = NULL;
1440 else
1441 kbd_tty = kbd_ite->tp;
1442
1443 if (ip->escape) {
1444 switch (ip->escape) {
1445 case ESC:
1446 switch (c) {
1447 /*
1448 * first 7bit equivalents for the
1449 * 8bit control characters
1450 */
1451 case 'D':
1452 c = IND;
1453 ip->escape = 0;
1454 break;
1455 /*
1456 * and fall into the next
1457 * switch below (same for all `break')
1458 */
1459 case 'E':
1460 c = NEL;
1461 ip->escape = 0;
1462 break;
1463 case 'H':
1464 c = HTS;
1465 ip->escape = 0;
1466 break;
1467 case 'M':
1468 c = RI;
1469 ip->escape = 0;
1470 break;
1471 case 'N':
1472 c = SS2;
1473 ip->escape = 0;
1474 break;
1475 case 'O':
1476 c = SS3;
1477 ip->escape = 0;
1478 break;
1479 case 'P':
1480 c = DCS;
1481 ip->escape = 0;
1482 break;
1483 case '[':
1484 c = CSI;
1485 ip->escape = 0;
1486 break;
1487 case '\\':
1488 c = ST;
1489 ip->escape = 0;
1490 break;
1491 case ']':
1492 c = OSC;
1493 ip->escape = 0;
1494 break;
1495 case '^':
1496 c = PM;
1497 ip->escape = 0;
1498 break;
1499 case '_':
1500 c = APC;
1501 ip->escape = 0;
1502 break;
1503 /* introduces 7/8bit control */
1504 case ' ':
1505 /* can be followed by either F or G */
1506 ip->escape = ' ';
1507 break;
1508 /*
1509 * a lot of character set selections, not yet
1510 * used... 94-character sets:
1511 */
1512 case '(': /* G0 */
1513 case ')': /* G1 */
1514 ip->escape = c;
1515 return;
1516 case '*': /* G2 */
1517 case '+': /* G3 */
1518 case 'B': /* ASCII */
1519 case 'A': /* ISO latin 1 */
1520 case '<': /* user preferred suplemental */
1521 case '0': /* dec special graphics */
1522 /*
1523 * 96-character sets:
1524 */
1525 case '-': /* G1 */
1526 case '.': /* G2 */
1527 case '/': /* G3 */
1528 /*
1529 * national character sets:
1530 */
1531 case '4': /* dutch */
1532 case '5':
1533 case 'C': /* finnish */
1534 case 'R': /* french */
1535 case 'Q': /* french canadian */
1536 case 'K': /* german */
1537 case 'Y': /* italian */
1538 case '6': /* norwegian/danish */
1539 /*
1540 * note: %5 and %6 are not supported (two
1541 * chars..)
1542 */
1543 ip->escape = 0;
1544 /* just ignore for now */
1545 return;
1546 /*
1547 * locking shift modes (as you might guess, not
1548 * yet supported..)
1549 */
1550 case '`':
1551 ip->GR = ip->G1;
1552 ip->escape = 0;
1553 return;
1554 case 'n':
1555 ip->GL = ip->G2;
1556 ip->escape = 0;
1557 return;
1558 case '}':
1559 ip->GR = ip->G2;
1560 ip->escape = 0;
1561 return;
1562 case 'o':
1563 ip->GL = ip->G3;
1564 ip->escape = 0;
1565 return;
1566 case '|':
1567 ip->GR = ip->G3;
1568 ip->escape = 0;
1569 return;
1570 case '#':
1571 /* font width/height control */
1572 ip->escape = '#';
1573 return;
1574 case 'c':
1575 /* hard terminal reset .. */
1576 ite_reset(ip);
1577 SUBR_CURSOR(ip, MOVE_CURSOR);
1578 ip->escape = 0;
1579 return;
1580 case '7':
1581 ip->save_curx = ip->curx;
1582 ip->save_cury = ip->cury;
1583 ip->save_attribute = ip->attribute;
1584 ip->escape = 0;
1585 return;
1586 case '8':
1587 ip->curx = ip->save_curx;
1588 ip->cury = ip->save_cury;
1589 ip->attribute = ip->save_attribute;
1590 SUBR_CURSOR(ip, MOVE_CURSOR);
1591 ip->escape = 0;
1592 return;
1593 case '=':
1594 ip->keypad_appmode = 1;
1595 ip->escape = 0;
1596 return;
1597 case '>':
1598 ip->keypad_appmode = 0;
1599 ip->escape = 0;
1600 return;
1601 case 'Z': /* request ID */
1602 /* XXX not clean */
1603 if (ip->emul_level == EMUL_VT100)
1604 ite_sendstr("\033[?61;0c");
1605 else
1606 ite_sendstr("\033[?63;0c");
1607 ip->escape = 0;
1608 return;
1609 default:
1610 /*
1611 * default catch all for not recognized ESC
1612 * sequences
1613 */
1614 ip->escape = 0;
1615 return;
1616 }
1617 break;
1618 case '(':
1619 case ')':
1620 ip->escape = 0;
1621 return;
1622 case ' ':
1623 switch (c) {
1624 case 'F':
1625 ip->eightbit_C1 = 0;
1626 ip->escape = 0;
1627 return;
1628 case 'G':
1629 ip->eightbit_C1 = 1;
1630 ip->escape = 0;
1631 return;
1632 default:
1633 /* not supported */
1634 ip->escape = 0;
1635 return;
1636 }
1637 break;
1638 case '#':
1639 switch (c) {
1640 case '5':
1641 /* single height, single width */
1642 ip->escape = 0;
1643 return;
1644 case '6':
1645 /* double width, single height */
1646 ip->escape = 0;
1647 return;
1648 case '3':
1649 /* top half */
1650 ip->escape = 0;
1651 return;
1652 case '4':
1653 /* bottom half */
1654 ip->escape = 0;
1655 return;
1656 case '8':
1657 /* screen alignment pattern... */
1658 alignment_display(ip);
1659 ip->escape = 0;
1660 return;
1661 default:
1662 ip->escape = 0;
1663 return;
1664 }
1665 break;
1666 case CSI:
1667 /* the biggie... */
1668 switch (c) {
1669 case '0':
1670 case '1':
1671 case '2':
1672 case '3':
1673 case '4':
1674 case '5':
1675 case '6':
1676 case '7':
1677 case '8':
1678 case '9':
1679 case ';':
1680 case '\"':
1681 case '$':
1682 case '>':
1683 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1684 *ip->ap++ = c;
1685 return;
1686 case BS:
1687 /*
1688 * you wouldn't believe such perversion is
1689 * possible? it is.. BS is allowed in between
1690 * cursor sequences (at least), according to
1691 * vttest..
1692 */
1693 if (--ip->curx < 0)
1694 ip->curx = 0;
1695 else
1696 SUBR_CURSOR(ip, MOVE_CURSOR);
1697 break;
1698 case 'p':
1699 *ip->ap = 0;
1700 if (!strncmp(ip->argbuf, "61\"", 3))
1701 ip->emul_level = EMUL_VT100;
1702 else if (!strncmp(ip->argbuf, "63;1\"", 5)
1703 || !strncmp(ip->argbuf, "62;1\"", 5))
1704 ip->emul_level = EMUL_VT300_7;
1705 else
1706 ip->emul_level = EMUL_VT300_8;
1707 ip->escape = 0;
1708 return;
1709 case '?':
1710 *ip->ap = 0;
1711 ip->escape = '?';
1712 ip->ap = ip->argbuf;
1713 return;
1714 case 'c':
1715 *ip->ap = 0;
1716 if (ip->argbuf[0] == '>') {
1717 ite_sendstr("\033[>24;0;0;0c");
1718 } else
1719 switch (ite_zargnum(ip)) {
1720 case 0:
1721 /*
1722 * primary DA request, send
1723 * primary DA response
1724 */
1725 if (ip->emul_level
1726 == EMUL_VT100)
1727 ite_sendstr(
1728 "\033[?1;1c");
1729 else
1730 ite_sendstr(
1731 "\033[?63;1c");
1732 break;
1733 }
1734 ip->escape = 0;
1735 return;
1736 case 'n':
1737 switch (ite_zargnum(ip)) {
1738 case 5:
1739 /* no malfunction */
1740 ite_sendstr("\033[0n");
1741 break;
1742 case 6:
1743 /* cursor position report */
1744 sprintf(ip->argbuf, "\033[%d;%dR",
1745 ip->cury + 1, ip->curx + 1);
1746 ite_sendstr(ip->argbuf);
1747 break;
1748 }
1749 ip->escape = 0;
1750 return;
1751 case 'x':
1752 switch (ite_zargnum(ip)) {
1753 case 0:
1754 /* Fake some terminal parameters. */
1755 ite_sendstr("\033[2;1;1;112;112;1;0x");
1756 break;
1757 case 1:
1758 ite_sendstr("\033[3;1;1;112;112;1;0x");
1759 break;
1760 }
1761 ip->escape = 0;
1762 return;
1763 case 'g':
1764 switch (ite_zargnum(ip)) {
1765 case 0:
1766 if (ip->curx < ip->cols)
1767 ip->tabs[ip->curx] = 0;
1768 break;
1769 case 3:
1770 for (n = 0; n < ip->cols; n++)
1771 ip->tabs[n] = 0;
1772 break;
1773 }
1774 ip->escape = 0;
1775 return;
1776 case 'h':
1777 case 'l':
1778 n = ite_zargnum(ip);
1779 switch (n) {
1780 case 4:
1781 /* insert/replace mode */
1782 ip->imode = (c == 'h');
1783 break;
1784 case 20:
1785 ip->linefeed_newline = (c == 'h');
1786 break;
1787 }
1788 ip->escape = 0;
1789 return;
1790 case 'M':
1791 ite_dnline(ip, ite_argnum(ip));
1792 ip->escape = 0;
1793 return;
1794 case 'L':
1795 ite_inline(ip, ite_argnum(ip));
1796 ip->escape = 0;
1797 return;
1798 case 'P':
1799 ite_dnchar(ip, ite_argnum(ip));
1800 ip->escape = 0;
1801 return;
1802 case '@':
1803 ite_inchar(ip, ite_argnum(ip));
1804 ip->escape = 0;
1805 return;
1806 case 'G':
1807 /*
1808 * this one was *not* in my vt320 manual but in
1809 * a vt320 termcap entry.. who is right? It's
1810 * supposed to set the horizontal cursor
1811 * position.
1812 */
1813 *ip->ap = 0;
1814 x = atoi(ip->argbuf);
1815 if (x)
1816 x--;
1817 ip->curx = min(x, ip->cols - 1);
1818 ip->escape = 0;
1819 SUBR_CURSOR(ip, MOVE_CURSOR);
1820 clr_attr(ip, ATTR_INV);
1821 return;
1822 case 'd':
1823 /*
1824 * same thing here, this one's for setting the
1825 * absolute vertical cursor position. Not
1826 * documented...
1827 */
1828 *ip->ap = 0;
1829 y = atoi(ip->argbuf);
1830 if (y)
1831 y--;
1832 if (ip->inside_margins)
1833 y += ip->top_margin;
1834 ip->cury = min(y, ip->rows - 1);
1835 ip->escape = 0;
1836 snap_cury(ip);
1837 SUBR_CURSOR(ip, MOVE_CURSOR);
1838 clr_attr(ip, ATTR_INV);
1839 return;
1840 case 'H':
1841 case 'f':
1842 *ip->ap = 0;
1843 y = atoi(ip->argbuf);
1844 x = 0;
1845 cp = index(ip->argbuf, ';');
1846 if (cp)
1847 x = atoi(cp + 1);
1848 if (x)
1849 x--;
1850 if (y)
1851 y--;
1852 if (ip->inside_margins)
1853 y += ip->top_margin;
1854 ip->cury = min(y, ip->rows - 1);
1855 ip->curx = min(x, ip->cols - 1);
1856 ip->escape = 0;
1857 snap_cury(ip);
1858 SUBR_CURSOR(ip, MOVE_CURSOR);
1859 clr_attr(ip, ATTR_INV);
1860 return;
1861 case 'A':
1862 n = ite_argnum(ip);
1863 n = ip->cury - (n ? n : 1);
1864 if (n < 0)
1865 n = 0;
1866 if (ip->inside_margins)
1867 n = max(ip->top_margin, n);
1868 else if (n == ip->top_margin - 1)
1869 /*
1870 * allow scrolling outside region, but
1871 * don't scroll out of active region
1872 * without explicit CUP
1873 */
1874 n = ip->top_margin;
1875 ip->cury = n;
1876 ip->escape = 0;
1877 SUBR_CURSOR(ip, MOVE_CURSOR);
1878 clr_attr(ip, ATTR_INV);
1879 return;
1880 case 'B':
1881 n = ite_argnum(ip);
1882 n = ip->cury + (n ? n : 1);
1883 n = min(ip->rows - 1, n);
1884 if (ip->inside_margins)
1885 n = min(ip->bottom_margin, n);
1886 else if (n == ip->bottom_margin + 1)
1887 /*
1888 * allow scrolling outside region, but
1889 * don't scroll out of active region
1890 * without explicit CUP
1891 */
1892 n = ip->bottom_margin;
1893 ip->cury = n;
1894 ip->escape = 0;
1895 SUBR_CURSOR(ip, MOVE_CURSOR);
1896 clr_attr(ip, ATTR_INV);
1897 return;
1898 case 'C':
1899 n = ite_argnum(ip);
1900 n = n ? n : 1;
1901 ip->curx = min(ip->curx + n, ip->cols - 1);
1902 ip->escape = 0;
1903 SUBR_CURSOR(ip, MOVE_CURSOR);
1904 clr_attr(ip, ATTR_INV);
1905 return;
1906 case 'D':
1907 n = ite_argnum(ip);
1908 n = n ? n : 1;
1909 n = ip->curx - n;
1910 ip->curx = n >= 0 ? n : 0;
1911 ip->escape = 0;
1912 SUBR_CURSOR(ip, MOVE_CURSOR);
1913 clr_attr(ip, ATTR_INV);
1914 return;
1915 case 'J':
1916 *ip->ap = 0;
1917 n = ite_zargnum(ip);
1918 if (n == 0)
1919 ite_clrtoeos(ip);
1920 else if (n == 1)
1921 ite_clrtobos(ip);
1922 else if (n == 2)
1923 ite_clrscreen(ip);
1924 ip->escape = 0;
1925 return;
1926 case 'K':
1927 n = ite_zargnum(ip);
1928 if (n == 0)
1929 ite_clrtoeol(ip);
1930 else if (n == 1)
1931 ite_clrtobol(ip);
1932 else if (n == 2)
1933 ite_clrline(ip);
1934 ip->escape = 0;
1935 return;
1936 case 'X':
1937 n = ite_argnum(ip) - 1;
1938 n = min(n, ip->cols - 1 - ip->curx);
1939 for (; n >= 0; n--) {
1940 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1941 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1942 }
1943 ip->escape = 0;
1944 return;
1945 case '}':
1946 case '`':
1947 /* status line control */
1948 ip->escape = 0;
1949 return;
1950 case 'r':
1951 *ip->ap = 0;
1952 x = atoi(ip->argbuf);
1953 x = x ? x : 1;
1954 y = ip->rows;
1955 cp = index(ip->argbuf, ';');
1956 if (cp) {
1957 y = atoi(cp + 1);
1958 y = y ? y : ip->rows;
1959 }
1960 if (y - x < 2) {
1961 /*
1962 * if illegal scrolling region, reset
1963 * to defaults
1964 */
1965 x = 1;
1966 y = ip->rows;
1967 }
1968 x--;
1969 y--;
1970 ip->top_margin = min(x, ip->rows - 1);
1971 ip->bottom_margin = min(y, ip->rows - 1);
1972 if (ip->inside_margins) {
1973 ip->cury = ip->top_margin;
1974 ip->curx = 0;
1975 SUBR_CURSOR(ip, MOVE_CURSOR);
1976 }
1977 ip->escape = 0;
1978 return;
1979 case 'm':
1980 /* big attribute setter/resetter */
1981 { char *cp;
1982 *ip->ap = 0;
1983 /* kludge to make CSIm work (== CSI0m) */
1984 if (ip->ap == ip->argbuf)
1985 ip->ap++;
1986 for (cp = ip->argbuf; cp < ip->ap;) {
1987 switch (*cp) {
1988 case 0:
1989 case '0':
1990 clr_attr(ip, ATTR_ALL);
1991 cp++;
1992 break;
1993
1994 case '1':
1995 set_attr(ip, ATTR_BOLD);
1996 cp++;
1997 break;
1998
1999 case '2':
2000 switch (cp[1]) {
2001 case '2':
2002 clr_attr(ip, ATTR_BOLD);
2003 cp += 2;
2004 break;
2005
2006 case '4':
2007 clr_attr(ip, ATTR_UL);
2008 cp += 2;
2009 break;
2010
2011 case '5':
2012 clr_attr(ip, ATTR_BLINK);
2013 cp += 2;
2014 break;
2015
2016 case '7':
2017 clr_attr(ip, ATTR_INV);
2018 cp += 2;
2019 break;
2020
2021 default:
2022 cp++;
2023 break;
2024 }
2025 break;
2026
2027 case '4':
2028 set_attr(ip, ATTR_UL);
2029 cp++;
2030 break;
2031
2032 case '5':
2033 set_attr(ip, ATTR_BLINK);
2034 cp++;
2035 break;
2036
2037 case '7':
2038 set_attr(ip, ATTR_INV);
2039 cp++;
2040 break;
2041
2042 default:
2043 cp++;
2044 break;
2045 }
2046 }
2047 ip->escape = 0;
2048 return; }
2049 case 'u':
2050 /* DECRQTSR */
2051 ite_sendstr("\033P\033\\");
2052 ip->escape = 0;
2053 return;
2054 default:
2055 ip->escape = 0;
2056 return;
2057 }
2058 break;
2059 case '?': /* CSI ? */
2060 switch (c) {
2061 case '0':
2062 case '1':
2063 case '2':
2064 case '3':
2065 case '4':
2066 case '5':
2067 case '6':
2068 case '7':
2069 case '8':
2070 case '9':
2071 case ';':
2072 case '\"':
2073 case '$':
2074 /*
2075 * Don't fill the last character;
2076 * it's needed.
2077 * XXX yeah, where ??
2078 */
2079 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2080 *ip->ap++ = c;
2081 return;
2082 case 'n':
2083 *ip->ap = 0;
2084 if (ip->ap == &ip->argbuf[2]) {
2085 if (!strncmp(ip->argbuf, "15", 2))
2086 /* printer status: no printer */
2087 ite_sendstr("\033[13n");
2088
2089 else if (!strncmp(ip->argbuf, "25", 2))
2090 /* udk status */
2091 ite_sendstr("\033[20n");
2092
2093 else if (!strncmp(ip->argbuf, "26", 2))
2094 /* keyboard dialect: US */
2095 ite_sendstr("\033[27;1n");
2096 }
2097 ip->escape = 0;
2098 return;
2099 case 'h':
2100 case 'l':
2101 n = ite_zargnum(ip);
2102 switch (n) {
2103 case 1:
2104 ip->cursor_appmode = (c == 'h');
2105 break;
2106 case 3:
2107 /* 132/80 columns (132 == 'h') */
2108 break;
2109 case 4: /* smooth scroll */
2110 break;
2111 case 5:
2112 /*
2113 * light background (=='h') /dark
2114 * background(=='l')
2115 */
2116 break;
2117 case 6: /* origin mode */
2118 ip->inside_margins = (c == 'h');
2119 ip->curx = 0;
2120 ip->cury = ip->inside_margins ?
2121 ip->top_margin : 0;
2122 SUBR_CURSOR(ip, MOVE_CURSOR);
2123 break;
2124 case 7: /* auto wraparound */
2125 ip->auto_wrap = (c == 'h');
2126 break;
2127 case 8: /* keyboard repeat */
2128 ip->key_repeat = (c == 'h');
2129 break;
2130 case 20: /* newline mode */
2131 ip->linefeed_newline = (c == 'h');
2132 break;
2133 case 25: /* cursor on/off */
2134 SUBR_CURSOR(ip, (c == 'h') ?
2135 DRAW_CURSOR : ERASE_CURSOR);
2136 break;
2137 }
2138 ip->escape = 0;
2139 return;
2140 default:
2141 ip->escape = 0;
2142 return;
2143 }
2144 break;
2145 default:
2146 ip->escape = 0;
2147 return;
2148 }
2149 }
2150 switch (c) {
2151 case VT: /* VT is treated like LF */
2152 case FF: /* so is FF */
2153 case LF:
2154 /*
2155 * cr->crlf distinction is done here, on output, not on input!
2156 */
2157 if (ip->linefeed_newline)
2158 ite_crlf(ip);
2159 else
2160 ite_lf(ip);
2161 break;
2162 case CR:
2163 ite_cr(ip);
2164 break;
2165 case BS:
2166 if (--ip->curx < 0)
2167 ip->curx = 0;
2168 else
2169 SUBR_CURSOR(ip, MOVE_CURSOR);
2170 break;
2171 case HT:
2172 for (n = ip->curx + 1; n < ip->cols; n++) {
2173 if (ip->tabs[n]) {
2174 ip->curx = n;
2175 SUBR_CURSOR(ip, MOVE_CURSOR);
2176 break;
2177 }
2178 }
2179 break;
2180 case BEL:
2181 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty
2182 #ifdef DRACO
2183 && !is_draco()
2184 #endif
2185 )
2186 ite_bell();
2187 break;
2188 case SO:
2189 ip->GL = ip->G1;
2190 break;
2191 case SI:
2192 ip->GL = ip->G0;
2193 break;
2194 case ENQ:
2195 /* send answer-back message !! */
2196 break;
2197 case CAN:
2198 ip->escape = 0; /* cancel any escape sequence in progress */
2199 break;
2200 case SUB:
2201 ip->escape = 0; /* dito, but see below */
2202 /* should also display a reverse question mark!! */
2203 break;
2204 case ESC:
2205 ip->escape = ESC;
2206 break;
2207 /*
2208 * now it gets weird.. 8bit control sequences..
2209 */
2210 case IND:
2211 /* index: move cursor down, scroll */
2212 ite_lf(ip);
2213 break;
2214 case NEL:
2215 /* next line. next line, first pos. */
2216 ite_crlf(ip);
2217 break;
2218 case HTS:
2219 /* set horizontal tab */
2220 if (ip->curx < ip->cols)
2221 ip->tabs[ip->curx] = 1;
2222 break;
2223 case RI:
2224 /* reverse index */
2225 ite_rlf(ip);
2226 break;
2227 case SS2:
2228 /* go into G2 for one character */
2229 /* not yet supported */
2230 break;
2231 case SS3:
2232 /* go into G3 for one character */
2233 break;
2234 case DCS:
2235 /* device control string introducer */
2236 ip->escape = DCS;
2237 ip->ap = ip->argbuf;
2238 break;
2239 case CSI:
2240 /* control sequence introducer */
2241 ip->escape = CSI;
2242 ip->ap = ip->argbuf;
2243 break;
2244 case ST:
2245 /* string terminator */
2246 /* ignore, if not used as terminator */
2247 break;
2248 case OSC:
2249 /*
2250 * introduces OS command. Ignore everything
2251 * upto ST
2252 */
2253 ip->escape = OSC;
2254 break;
2255 case PM:
2256 /* privacy message, ignore everything upto ST */
2257 ip->escape = PM;
2258 break;
2259 case APC:
2260 /*
2261 * application program command, ignore * everything upto ST
2262 */
2263 ip->escape = APC;
2264 break;
2265 default:
2266 if ((c & 0x7f) < ' ' || c == DEL)
2267 break;
2268 if (ip->imode)
2269 ite_inchar(ip, 1);
2270 iteprecheckwrap(ip);
2271 #ifdef DO_WEIRD_ATTRIBUTES
2272 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2273 attrset(ip, ATTR_INV);
2274 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2275 } else
2276 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2277 #else
2278 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2279 #endif
2280 SUBR_CURSOR(ip, DRAW_CURSOR);
2281 itecheckwrap(ip);
2282 break;
2283 }
2284 }
2285
2286