ite.c revision 1.17 1 /* $NetBSD: ite.c,v 1.17 1996/10/11 00:09:22 christos 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 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91
42 */
43
44 /*
45 * ite - bitmapped 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 <sys/param.h>
51 #include <sys/kernel.h>
52 #include <sys/conf.h>
53 #include <sys/device.h>
54 #include <sys/malloc.h>
55 #include <sys/ioctl.h>
56 #include <sys/tty.h>
57 #include <sys/termios.h>
58 #include <sys/systm.h>
59 #include <sys/proc.h>
60 #include <dev/cons.h>
61
62 #include <machine/cpu.h>
63
64 #include <atari/atari/device.h>
65 #include <atari/dev/event_var.h>
66 #include <atari/dev/kbdmap.h>
67 #include <atari/dev/kbdvar.h>
68 #include <atari/dev/iteioctl.h>
69 #include <atari/dev/itevar.h>
70 #include <atari/dev/grfioctl.h>
71 #include <atari/dev/grfabs_reg.h>
72 #include <atari/dev/grfvar.h>
73 #include <atari/dev/viewioctl.h>
74 #include <atari/dev/viewvar.h>
75
76 #define ITEUNIT(dev) (minor(dev))
77
78 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
79 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
80 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
81 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
82 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
83 #define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir)
84
85 u_int ite_confunits; /* configured units */
86
87 int start_repeat_timeo = 30; /* first repeat after x s/100 */
88 int next_repeat_timeo = 10; /* next repeat after x s/100 */
89
90 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
91
92 struct ite_softc con_itesoftc;
93 u_char cons_tabs[MAX_TABS];
94
95 struct ite_softc *kbd_ite;
96 int kbd_init;
97
98 static __inline__ int atoi __P((const char *));
99 static __inline__ int ite_argnum __P((struct ite_softc *));
100 static __inline__ int ite_zargnum __P((struct ite_softc *));
101 static __inline__ void ite_cr __P((struct ite_softc *));
102 static __inline__ void ite_crlf __P((struct ite_softc *));
103 static __inline__ void ite_clrline __P((struct ite_softc *));
104 static __inline__ void ite_clrscreen __P((struct ite_softc *));
105 static __inline__ void ite_clrtobos __P((struct ite_softc *));
106 static __inline__ void ite_clrtobol __P((struct ite_softc *));
107 static __inline__ void ite_clrtoeol __P((struct ite_softc *));
108 static __inline__ void ite_clrtoeos __P((struct ite_softc *));
109 static __inline__ void ite_dnchar __P((struct ite_softc *, int));
110 static __inline__ void ite_inchar __P((struct ite_softc *, int));
111 static __inline__ void ite_inline __P((struct ite_softc *, int));
112 static __inline__ void ite_lf __P((struct ite_softc *));
113 static __inline__ void ite_dnline __P((struct ite_softc *, int));
114 static __inline__ void ite_rlf __P((struct ite_softc *));
115 static __inline__ void ite_sendstr __P((char *));
116 static __inline__ void snap_cury __P((struct ite_softc *));
117
118 static void alignment_display __P((struct ite_softc *));
119 static char *index __P((const char *, int));
120 static struct ite_softc *getitesp __P((dev_t));
121 static void itecheckwrap __P((struct ite_softc *));
122 static void iteprecheckwrap __P((struct ite_softc *));
123 static void itestart __P((struct tty *));
124 static void ite_switch __P((int));
125 static void repeat_handler __P((void *));
126
127 void iteputchar __P((int c, struct ite_softc *ip));
128 void ite_putstr __P((const u_char * s, int len, dev_t dev));
129 void iteattach __P((struct device *, struct device *, void *));
130 int itematch __P((struct device *, void *, void *));
131
132 /*
133 * Console specific types.
134 */
135 dev_type_cnprobe(itecnprobe);
136 dev_type_cninit(itecninit);
137 dev_type_cngetc(itecngetc);
138 dev_type_cnputc(itecnputc);
139
140 struct cfattach ite_ca = {
141 sizeof(struct ite_softc), itematch, iteattach
142 };
143
144 struct cfdriver ite_cd = {
145 NULL, "ite", DV_DULL, NULL, 0
146 };
147
148 int
149 itematch(pdp, match, auxp)
150 struct device *pdp;
151 void *match, *auxp;
152 {
153 struct cfdata *cdp = match;
154 struct grf_softc *gp = auxp;
155 dev_t itedev;
156 int maj;
157
158 /*
159 * all that our mask allows (more than enough no one
160 * has > 32 monitors for text consoles on one machine)
161 */
162 if (cdp->cf_unit >= sizeof(ite_confunits) * NBBY)
163 return(0);
164 /*
165 * XXX
166 * normally this would be done in attach, however
167 * during early init we do not have a device pointer
168 * and thus no unit number.
169 */
170 for(maj = 0; maj < nchrdev; maj++)
171 if (cdevsw[maj].d_open == iteopen)
172 break;
173 itedev = makedev(maj, cdp->cf_unit);
174
175 /*
176 * Try to make sure that a single ite will not be attached to
177 * multiple grf's.
178 * Note that the console grf is the only grf that will ever enter
179 * here with itedev != (dev_t)-1.
180 */
181 if (gp->g_itedev == (dev_t)-1) {
182 if (ite_confunits & (1 << ITEUNIT(itedev)))
183 return (0);
184 }
185
186 gp->g_itedev = itedev;
187 return(1);
188 }
189
190 void
191 iteattach(pdp, dp, auxp)
192 struct device *pdp, *dp;
193 void *auxp;
194 {
195 struct grf_softc *gp;
196 struct ite_softc *ip;
197 int s;
198
199 gp = (struct grf_softc *)auxp;
200
201 /*
202 * mark unit as attached (XXX see itematch)
203 */
204 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
205
206 if(dp) {
207 ip = (struct ite_softc *)dp;
208
209 s = spltty();
210 if(con_itesoftc.grf != NULL
211 && con_itesoftc.grf->g_unit == gp->g_unit) {
212 /*
213 * console reinit copy params over.
214 * and console always gets keyboard
215 */
216 bcopy(&con_itesoftc.grf, &ip->grf,
217 (char *)&ip[1] - (char *)&ip->grf);
218 con_itesoftc.grf = NULL;
219 kbd_ite = ip;
220 }
221 ip->grf = gp;
222 splx(s);
223
224 iteinit(gp->g_itedev);
225 kprintf(": rows %d cols %d", ip->rows, ip->cols);
226 kprintf(" repeat at (%d/100)s next at (%d/100)s",
227 start_repeat_timeo, next_repeat_timeo);
228
229 if (kbd_ite == NULL)
230 kbd_ite = ip;
231 if (kbd_ite == ip)
232 kprintf(" has keyboard");
233 kprintf("\n");
234 } else {
235 if (con_itesoftc.grf != NULL &&
236 con_itesoftc.grf->g_conpri > gp->g_conpri)
237 return;
238 con_itesoftc.grf = gp;
239 con_itesoftc.tabs = cons_tabs;
240 }
241 }
242
243 static struct ite_softc *
244 getitesp(dev)
245 dev_t dev;
246 {
247 if(atari_realconfig && (con_itesoftc.grf == NULL))
248 return(ite_cd.cd_devs[ITEUNIT(dev)]);
249
250 if(con_itesoftc.grf == NULL)
251 panic("no ite_softc for console");
252 return(&con_itesoftc);
253 }
254
255 /*
256 * cons.c entry points into ite device.
257 */
258
259 /*
260 * Return a priority in consdev->cn_pri field highest wins. This function
261 * is called before any devices have been probed.
262 */
263 void
264 itecnprobe(cd)
265 struct consdev *cd;
266 {
267 /*
268 * bring graphics layer up.
269 */
270 config_console();
271
272 /*
273 * return priority of the best ite (already picked from attach)
274 * or CN_DEAD.
275 */
276 if (con_itesoftc.grf == NULL)
277 cd->cn_pri = CN_DEAD;
278 else {
279 cd->cn_pri = con_itesoftc.grf->g_conpri;
280 cd->cn_dev = con_itesoftc.grf->g_itedev;
281 }
282 }
283
284 void
285 itecninit(cd)
286 struct consdev *cd;
287 {
288 struct ite_softc *ip;
289
290 ip = getitesp(cd->cn_dev);
291 ip->flags |= ITE_ISCONS;
292 iteinit(cd->cn_dev);
293 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
294 }
295
296 /*
297 * ite_cnfinish() is called in ite_init() when the device is
298 * being probed in the normal fasion, thus we can finish setting
299 * up this ite now that the system is more functional.
300 */
301 void
302 ite_cnfinish(ip)
303 struct ite_softc *ip;
304 {
305 static int done;
306
307 if (done)
308 return;
309 done = 1;
310 }
311
312 int
313 itecngetc(dev)
314 dev_t dev;
315 {
316 int c;
317
318 /* XXX this should be moved */
319 if (!kbd_init) {
320 kbd_init = 1;
321 kbdenable();
322 }
323 do {
324 c = kbdgetcn();
325 c = ite_cnfilter(c, ITEFILT_CONSOLE);
326 } while (c == -1);
327 return (c);
328 }
329
330 void
331 itecnputc(dev, c)
332 dev_t dev;
333 int c;
334 {
335 static int paniced;
336 struct ite_softc *ip;
337 char ch;
338
339 ip = getitesp(dev);
340 ch = c;
341
342 if (panicstr && !paniced &&
343 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
344 (void)ite_on(dev, 3);
345 paniced = 1;
346 }
347 iteputchar(ch, ip);
348 }
349
350 /*
351 * standard entry points to the device.
352 */
353
354 /*
355 * iteinit() is the standard entry point for initialization of
356 * an ite device, it is also called from itecninit().
357 *
358 */
359 void
360 iteinit(dev)
361 dev_t dev;
362 {
363 struct ite_softc *ip;
364
365 ip = getitesp(dev);
366 if (ip->flags & ITE_INITED)
367 return;
368 if (atari_realconfig) {
369 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap)
370 free(ip->kbdmap, M_DEVBUF);
371 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK);
372 bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap));
373 }
374 else ip->kbdmap = &ascii_kbdmap;
375
376 ip->cursorx = 0;
377 ip->cursory = 0;
378 SUBR_INIT(ip);
379 SUBR_CURSOR(ip, DRAW_CURSOR);
380 if (ip->tabs == NULL)
381 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
382 ite_reset(ip);
383 ip->flags |= ITE_INITED;
384 }
385
386 int
387 iteopen(dev, mode, devtype, p)
388 dev_t dev;
389 int mode, devtype;
390 struct proc *p;
391 {
392 struct ite_softc *ip;
393 struct tty *tp;
394 int error, first, unit;
395
396 unit = ITEUNIT(dev);
397 first = 0;
398
399 if (((1 << unit) & ite_confunits) == 0)
400 return (ENXIO);
401
402 ip = getitesp(dev);
403
404 if (ip->tp == NULL) {
405 tp = ip->tp = ttymalloc();
406 tty_attach(tp);
407 }
408 else tp = ip->tp;
409
410 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
411 && p->p_ucred->cr_uid != 0)
412 return (EBUSY);
413 if ((ip->flags & ITE_ACTIVE) == 0) {
414 error = ite_on(dev, 0);
415 if (error)
416 return (error);
417 first = 1;
418 }
419 tp->t_oproc = itestart;
420 tp->t_param = ite_param;
421 tp->t_dev = dev;
422 if ((tp->t_state & TS_ISOPEN) == 0) {
423 ttychars(tp);
424 tp->t_iflag = TTYDEF_IFLAG;
425 tp->t_oflag = TTYDEF_OFLAG;
426 tp->t_cflag = TTYDEF_CFLAG;
427 tp->t_lflag = TTYDEF_LFLAG;
428 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
429 tp->t_state = TS_WOPEN | TS_CARR_ON;
430 ttsetwater(tp);
431 }
432 error = (*linesw[tp->t_line].l_open) (dev, tp);
433 if (error == 0) {
434 tp->t_winsize.ws_row = ip->rows;
435 tp->t_winsize.ws_col = ip->cols;
436 if (!kbd_init) {
437 kbd_init = 1;
438 kbdenable();
439 }
440 } else if (first)
441 ite_off(dev, 0);
442 return (error);
443 }
444
445 int
446 iteclose(dev, flag, mode, p)
447 dev_t dev;
448 int flag, mode;
449 struct proc *p;
450 {
451 struct tty *tp;
452
453 tp = getitesp(dev)->tp;
454
455 KDASSERT(tp);
456 (*linesw[tp->t_line].l_close) (tp, flag);
457 ttyclose(tp);
458 ite_off(dev, 0);
459 return (0);
460 }
461
462 int
463 iteread(dev, uio, flag)
464 dev_t dev;
465 struct uio *uio;
466 int flag;
467 {
468 struct tty *tp;
469
470 tp = getitesp(dev)->tp;
471
472 KDASSERT(tp);
473 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
474 }
475
476 int
477 itewrite(dev, uio, flag)
478 dev_t dev;
479 struct uio *uio;
480 int flag;
481 {
482 struct tty *tp;
483
484 tp = getitesp(dev)->tp;
485
486 KDASSERT(tp);
487 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
488 }
489
490 void
491 itestop(tp, flag)
492 struct tty *tp;
493 int flag;
494 {
495
496 }
497
498 struct tty *
499 itetty(dev)
500 dev_t dev;
501 {
502 return(getitesp(dev)->tp);
503 }
504
505 int
506 iteioctl(dev, cmd, addr, flag, p)
507 dev_t dev;
508 u_long cmd;
509 int flag;
510 caddr_t addr;
511 struct proc *p;
512 {
513 struct iterepeat *irp;
514 struct ite_softc *ip;
515 struct tty *tp;
516 int error;
517
518 ip = getitesp(dev);
519 tp = ip->tp;
520
521 KDASSERT(tp);
522
523 error = (*linesw[tp->t_line].l_ioctl) (tp, cmd, addr, flag, p);
524 if(error >= 0)
525 return (error);
526 error = ttioctl(tp, cmd, addr, flag, p);
527 if (error >= 0)
528 return (error);
529
530 switch (cmd) {
531 case ITEIOCSKMAP:
532 if (addr == 0)
533 return(EFAULT);
534 bcopy(addr, ip->kbdmap, sizeof(struct kbdmap));
535 return(0);
536 case ITEIOCSSKMAP:
537 if (addr == 0)
538 return(EFAULT);
539 bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap));
540 return(0);
541 case ITEIOCGKMAP:
542 if (addr == NULL)
543 return(EFAULT);
544 bcopy(ip->kbdmap, addr, sizeof(struct kbdmap));
545 return(0);
546 case ITEIOCGREPT:
547 irp = (struct iterepeat *)addr;
548 irp->start = start_repeat_timeo;
549 irp->next = next_repeat_timeo;
550 return(0);
551 case ITEIOCSREPT:
552 irp = (struct iterepeat *)addr;
553 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT)
554 return(EINVAL);
555 start_repeat_timeo = irp->start;
556 next_repeat_timeo = irp->next;
557 return(0);
558 }
559 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
560 if(error >= 0)
561 return(error);
562 return (ENOTTY);
563 }
564
565 void
566 itestart(tp)
567 struct tty *tp;
568 {
569 struct clist *rbp;
570 struct ite_softc *ip;
571 u_char buf[ITEBURST];
572 int s, len;
573
574 ip = getitesp(tp->t_dev);
575
576 KDASSERT(tp);
577
578 s = spltty(); {
579 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
580 goto out;
581
582 tp->t_state |= TS_BUSY;
583 rbp = &tp->t_outq;
584
585 len = q_to_b(rbp, buf, ITEBURST);
586 } splx(s);
587
588 /* Here is a really good place to implement pre/jumpscroll() */
589 ite_putstr((char *)buf, len, tp->t_dev);
590
591 s = spltty(); {
592 tp->t_state &= ~TS_BUSY;
593 /* we have characters remaining. */
594 if (rbp->c_cc) {
595 tp->t_state |= TS_TIMEOUT;
596 timeout(ttrstrt, tp, 1);
597 }
598 /* wakeup we are below */
599 if (rbp->c_cc <= tp->t_lowat) {
600 if (tp->t_state & TS_ASLEEP) {
601 tp->t_state &= ~TS_ASLEEP;
602 wakeup((caddr_t) rbp);
603 }
604 selwakeup(&tp->t_wsel);
605 }
606 out: ;
607 } splx(s);
608 }
609
610 int
611 ite_on(dev, flag)
612 dev_t dev;
613 int flag;
614 {
615 struct ite_softc *ip;
616 int unit;
617
618 unit = ITEUNIT(dev);
619 if (((1 << unit) & ite_confunits) == 0)
620 return (ENXIO);
621
622 ip = getitesp(dev);
623
624 /* force ite active, overriding graphics mode */
625 if (flag & 1) {
626 ip->flags |= ITE_ACTIVE;
627 ip->flags &= ~(ITE_INGRF | ITE_INITED);
628 }
629 /* leave graphics mode */
630 if (flag & 2) {
631 ip->flags &= ~ITE_INGRF;
632 if ((ip->flags & ITE_ACTIVE) == 0)
633 return (0);
634 }
635 ip->flags |= ITE_ACTIVE;
636 if (ip->flags & ITE_INGRF)
637 return (0);
638 iteinit(dev);
639 return (0);
640 }
641
642 void
643 ite_off(dev, flag)
644 dev_t dev;
645 int flag;
646 {
647 struct ite_softc *ip;
648
649 ip = getitesp(dev);
650 if (flag & 2)
651 ip->flags |= ITE_INGRF;
652 if ((ip->flags & ITE_ACTIVE) == 0)
653 return;
654 if ((flag & 1) ||
655 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
656 SUBR_DEINIT(ip);
657 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
658 ip->flags &= ~ITE_ACTIVE;
659 }
660
661 static void
662 ite_switch(unit)
663 int unit;
664 {
665 struct ite_softc *ip;
666
667 if(!(ite_confunits & (1 << unit)))
668 return; /* Don't try unconfigured units */
669 ip = getitesp(unit);
670 if(!(ip->flags & ITE_INITED))
671 return;
672
673 /*
674 * If switching to an active ite, also switch the keyboard.
675 */
676 if(ip->flags & ITE_ACTIVE)
677 kbd_ite = ip;
678
679 /*
680 * Now make it visible
681 */
682 viewioctl(ip->grf->g_viewdev, VIOCDISPLAY, NULL, 0, NOPROC);
683
684 /*
685 * Make sure the cursor's there too....
686 */
687 SUBR_CURSOR(ip, DRAW_CURSOR);
688 }
689
690 /* XXX called after changes made in underlying grf layer. */
691 /* I want to nuke this */
692 void
693 ite_reinit(dev)
694 dev_t dev;
695 {
696 struct ite_softc *ip;
697
698 ip = getitesp(dev);
699 ip->flags &= ~ITE_INITED;
700 iteinit(dev);
701 }
702
703 int
704 ite_param(tp, t)
705 struct tty *tp;
706 struct termios *t;
707 {
708 tp->t_ispeed = t->c_ispeed;
709 tp->t_ospeed = t->c_ospeed;
710 tp->t_cflag = t->c_cflag;
711 return (0);
712 }
713
714 void
715 ite_reset(ip)
716 struct ite_softc *ip;
717 {
718 int i;
719
720 ip->curx = 0;
721 ip->cury = 0;
722 ip->attribute = ATTR_NOR;
723 ip->save_curx = 0;
724 ip->save_cury = 0;
725 ip->save_attribute = ATTR_NOR;
726 ip->ap = ip->argbuf;
727 ip->emul_level = 0;
728 ip->eightbit_C1 = 0;
729 ip->top_margin = 0;
730 ip->bottom_margin = ip->rows - 1;
731 ip->inside_margins = 0;
732 ip->linefeed_newline = 0;
733 ip->auto_wrap = ite_default_wrap;
734 ip->cursor_appmode = 0;
735 ip->keypad_appmode = 0;
736 ip->imode = 0;
737 ip->key_repeat = 1;
738 bzero(ip->tabs, ip->cols);
739 for (i = 0; i < ip->cols; i++)
740 ip->tabs[i] = ((i & 7) == 0);
741 }
742
743 /*
744 * has to be global becuase of the shared filters.
745 */
746 static u_char key_mod;
747 static u_char last_dead;
748
749 /* Used in console at startup only */
750 int
751 ite_cnfilter(c, caller)
752 u_int c;
753 enum caller caller;
754 {
755 struct key key;
756 struct kbdmap *kbdmap;
757 u_char code, up, mask;
758 int s;
759
760 up = KBD_RELEASED(c);
761 c = KBD_SCANCODE(c);
762 code = 0;
763 mask = 0;
764 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap;
765
766 s = spltty();
767
768 /*
769 * Handle special keys
770 */
771 switch(c) {
772 case KBD_LEFT_SHIFT:
773 mask = KBD_MOD_LSHIFT;
774 break;
775 case KBD_RIGHT_SHIFT:
776 mask = KBD_MOD_RSHIFT;
777 break;
778 case KBD_CTRL:
779 mask = KBD_MOD_CTRL;
780 break;
781 case KBD_ALT:
782 mask = KBD_MOD_ALT;
783 break;
784 case KBD_CAPS_LOCK:
785 /* CAPSLOCK is a toggle */
786 if(!up)
787 key_mod ^= KBD_MOD_CAPS;
788 splx(s);
789 return -1;
790 break;
791 }
792 if(mask) {
793 if(up)
794 key_mod &= ~mask;
795 else
796 key_mod |= mask;
797 splx(s);
798 return -1;
799 }
800
801 /*
802 * No special action if key released
803 */
804 if(up) {
805 splx(s);
806 return -1;
807 }
808
809 /* translate modifiers */
810 if(key_mod & KBD_MOD_SHIFT) {
811 if(key_mod & KBD_MOD_ALT)
812 key = kbdmap->alt_shift_keys[c];
813 else key = kbdmap->shift_keys[c];
814 }
815 else if(key_mod & KBD_MOD_ALT)
816 key = kbdmap->alt_keys[c];
817 else {
818 key = kbdmap->keys[c];
819 /*
820 * If CAPS and key is CAPable (no pun intended)
821 */
822 if((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
823 key = kbdmap->shift_keys[c];
824 }
825 code = key.code;
826
827 #ifdef notyet /* LWP: Didn't have time to look at this yet */
828 /*
829 * If string return simple console filter
830 */
831 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
832 splx(s);
833 return -1;
834 }
835 /* handle dead keys */
836 if(key->mode & KBD_MODE_DEAD) {
837 /* if entered twice, send accent itself */
838 if (last_dead == key->mode & KBD_MODE_ACCMASK)
839 last_dead = 0;
840 else {
841 last_dead = key->mode & KBD_MODE_ACCMASK;
842 splx(s);
843 return -1;
844 }
845 }
846 if(last_dead) {
847 /* can't apply dead flag to string-keys */
848 if (code >= '@' && code < 0x7f)
849 code =
850 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
851 last_dead = 0;
852 }
853 #endif
854 if(key_mod & KBD_MOD_CTRL)
855 code &= 0x1f;
856
857 /*
858 * Do console mapping.
859 */
860 code = code == '\r' ? '\n' : code;
861
862 splx(s);
863 return (code);
864 }
865
866 /* And now the old stuff. */
867
868 /* these are used to implement repeating keys.. */
869 static u_int last_char;
870 static u_char tout_pending;
871
872 /*ARGSUSED*/
873 static void
874 repeat_handler(arg)
875 void *arg;
876 {
877 tout_pending = 0;
878 if(last_char)
879 add_sicallback((si_farg)ite_filter, (void *)last_char,
880 (void *)ITEFILT_REPEATER);
881 }
882
883 void
884 ite_filter(c, caller)
885 u_int c;
886 enum caller caller;
887 {
888 struct tty *kbd_tty;
889 struct kbdmap *kbdmap;
890 u_char code, *str, up, mask;
891 struct key key;
892 int s, i;
893
894 if(kbd_ite == NULL)
895 return;
896
897 kbd_tty = kbd_ite->tp;
898 kbdmap = kbd_ite->kbdmap;
899
900 up = KBD_RELEASED(c);
901 c = KBD_SCANCODE(c);
902 code = 0;
903 mask = 0;
904
905 /* have to make sure we're at spltty in here */
906 s = spltty();
907
908 /*
909 * keyboard interrupts come at priority 2, while softint
910 * generated keyboard-repeat interrupts come at level 1. So,
911 * to not allow a key-up event to get thru before a repeat for
912 * the key-down, we remove any outstanding callout requests..
913 */
914 rem_sicallback((si_farg)ite_filter);
915
916
917 /*
918 * Handle special keys
919 */
920 switch(c) {
921 case KBD_LEFT_SHIFT:
922 mask = KBD_MOD_LSHIFT;
923 break;
924 case KBD_RIGHT_SHIFT:
925 mask = KBD_MOD_RSHIFT;
926 break;
927 case KBD_CTRL:
928 mask = KBD_MOD_CTRL;
929 break;
930 case KBD_ALT:
931 mask = KBD_MOD_ALT;
932 break;
933 case KBD_CAPS_LOCK:
934 /* CAPSLOCK is a toggle */
935 if(!up)
936 key_mod ^= KBD_MOD_CAPS;
937 splx(s);
938 return;
939 break;
940 }
941 if(mask) {
942 if(up)
943 key_mod &= ~mask;
944 else
945 key_mod |= mask;
946 splx(s);
947 return;
948 }
949
950 /*
951 * Stop repeating on up event
952 */
953 if (up) {
954 if(tout_pending) {
955 untimeout(repeat_handler, 0);
956 tout_pending = 0;
957 last_char = 0;
958 }
959 splx(s);
960 return;
961 }
962 else if(tout_pending && last_char != c) {
963 /*
964 * Different character, stop also
965 */
966 untimeout(repeat_handler, 0);
967 tout_pending = 0;
968 last_char = 0;
969 }
970
971 /*
972 * Handle ite-switching ALT + Fx
973 */
974 if((key_mod == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) {
975 ite_switch(c - 0x3b);
976 splx(s);
977 return;
978 }
979 /*
980 * Safety button, switch back to ascii keymap.
981 */
982 if(key_mod == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) {
983 /* ALT + LSHIFT + F1 */
984 bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap));
985 splx(s);
986 return;
987 #ifdef DDB
988 }
989 else if(key_mod == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) {
990 /* ALT + LSHIFT + F9 */
991 Debugger();
992 splx(s);
993 return;
994 #endif
995 }
996
997 /*
998 * The rest of the code is senseless when the device is not open.
999 */
1000 if(kbd_tty == NULL) {
1001 splx(s);
1002 return;
1003 }
1004
1005 /*
1006 * Translate modifiers
1007 */
1008 if(key_mod & KBD_MOD_SHIFT) {
1009 if(key_mod & KBD_MOD_ALT)
1010 key = kbdmap->alt_shift_keys[c];
1011 else key = kbdmap->shift_keys[c];
1012 }
1013 else if(key_mod & KBD_MOD_ALT)
1014 key = kbdmap->alt_keys[c];
1015 else {
1016 key = kbdmap->keys[c];
1017 /*
1018 * If CAPS and key is CAPable (no pun intended)
1019 */
1020 if((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
1021 key = kbdmap->shift_keys[c];
1022 }
1023 code = key.code;
1024
1025 /*
1026 * Arrange to repeat the keystroke. By doing this at the level
1027 * of scan-codes, we can have function keys, and keys that
1028 * send strings, repeat too. This also entitles an additional
1029 * overhead, since we have to do the conversion each time, but
1030 * I guess that's ok.
1031 */
1032 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
1033 tout_pending = 1;
1034 last_char = c;
1035 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100);
1036 }
1037 else if(!tout_pending && caller==ITEFILT_REPEATER
1038 && kbd_ite->key_repeat) {
1039 tout_pending = 1;
1040 last_char = c;
1041 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100);
1042 }
1043 /* handle dead keys */
1044 if (key.mode & KBD_MODE_DEAD) {
1045 /* if entered twice, send accent itself */
1046 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
1047 last_dead = 0;
1048 else {
1049 last_dead = key.mode & KBD_MODE_ACCMASK;
1050 splx(s);
1051 return;
1052 }
1053 }
1054 if (last_dead) {
1055 /* can't apply dead flag to string-keys */
1056 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
1057 code < 0x7f)
1058 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
1059 last_dead = 0;
1060 }
1061
1062 /*
1063 * If not string, apply CTRL modifiers
1064 */
1065 if(!(key.mode & KBD_MODE_STRING)
1066 && (!(key.mode & KBD_MODE_KPAD)
1067 || (kbd_ite && !kbd_ite->keypad_appmode))) {
1068 if(key_mod & KBD_MOD_CTRL)
1069 code &= 0x1f;
1070 }
1071 else if((key.mode & KBD_MODE_KPAD)
1072 && (kbd_ite && kbd_ite->keypad_appmode)) {
1073 static char *in = "0123456789-+.\r()/*";
1074 static char *out = "pqrstuvwxymlnMPQRS";
1075 char *cp = index(in, code);
1076
1077 /*
1078 * keypad-appmode sends SS3 followed by the above
1079 * translated character
1080 */
1081 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
1082 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty);
1083 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
1084 splx(s);
1085 return;
1086 } else {
1087 /* *NO* I don't like this.... */
1088 static u_char app_cursor[] =
1089 {
1090 3, 27, 'O', 'A',
1091 3, 27, 'O', 'B',
1092 3, 27, 'O', 'C',
1093 3, 27, 'O', 'D'};
1094
1095 str = kbdmap->strings + code;
1096 /*
1097 * if this is a cursor key, AND it has the default
1098 * keymap setting, AND we're in app-cursor mode, switch
1099 * to the above table. This is *nasty* !
1100 */
1101 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50))
1102 && kbd_ite->cursor_appmode
1103 && !bcmp(str, "\x03\x1b[", 3) &&
1104 index("ABCD", str[3]))
1105 str = app_cursor + 4 * (str[3] - 'A');
1106
1107 /*
1108 * using a length-byte instead of 0-termination allows
1109 * to embed \0 into strings, although this is not used
1110 * in the default keymap
1111 */
1112 for (i = *str++; i; i--)
1113 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1114 splx(s);
1115 return;
1116 }
1117 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
1118
1119 splx(s);
1120 return;
1121 }
1122
1123 /* helper functions, makes the code below more readable */
1124 static __inline__ void
1125 ite_sendstr(str)
1126 char *str;
1127 {
1128 struct tty *kbd_tty;
1129
1130 kbd_tty = kbd_ite->tp;
1131 KDASSERT(kbd_tty);
1132 while (*str)
1133 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1134 }
1135
1136 static void
1137 alignment_display(ip)
1138 struct ite_softc *ip;
1139 {
1140 int i, j;
1141
1142 for (j = 0; j < ip->rows; j++)
1143 for (i = 0; i < ip->cols; i++)
1144 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1145 attrclr(ip, 0, 0, ip->rows, ip->cols);
1146 SUBR_CURSOR(ip, DRAW_CURSOR);
1147 }
1148
1149 static __inline__ void
1150 snap_cury(ip)
1151 struct ite_softc *ip;
1152 {
1153 if (ip->inside_margins)
1154 {
1155 if (ip->cury < ip->top_margin)
1156 ip->cury = ip->top_margin;
1157 if (ip->cury > ip->bottom_margin)
1158 ip->cury = ip->bottom_margin;
1159 }
1160 }
1161
1162 static __inline__ void
1163 ite_dnchar(ip, n)
1164 struct ite_softc *ip;
1165 int n;
1166 {
1167 n = min(n, ip->cols - ip->curx);
1168 if (n < ip->cols - ip->curx)
1169 {
1170 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1171 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1172 1, ip->cols - ip->curx - n);
1173 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1174 }
1175 while (n-- > 0)
1176 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1177 SUBR_CURSOR(ip, DRAW_CURSOR);
1178 }
1179
1180 static __inline__ void
1181 ite_inchar(ip, n)
1182 struct ite_softc *ip;
1183 int n;
1184 {
1185 n = min(n, ip->cols - ip->curx);
1186 if (n < ip->cols - ip->curx)
1187 {
1188 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1189 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1190 1, ip->cols - ip->curx - n);
1191 attrclr(ip, ip->cury, ip->curx, 1, n);
1192 }
1193 while (n--)
1194 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1195 SUBR_CURSOR(ip, DRAW_CURSOR);
1196 }
1197
1198 static __inline__ void
1199 ite_clrtoeol(ip)
1200 struct ite_softc *ip;
1201 {
1202 int y = ip->cury, x = ip->curx;
1203 if (ip->cols - x > 0)
1204 {
1205 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1206 attrclr(ip, y, x, 1, ip->cols - x);
1207 SUBR_CURSOR(ip, DRAW_CURSOR);
1208 }
1209 }
1210
1211 static __inline__ void
1212 ite_clrtobol(ip)
1213 struct ite_softc *ip;
1214 {
1215 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1216 SUBR_CLEAR(ip, y, 0, 1, x);
1217 attrclr(ip, y, 0, 1, x);
1218 SUBR_CURSOR(ip, DRAW_CURSOR);
1219 }
1220
1221 static __inline__ void
1222 ite_clrline(ip)
1223 struct ite_softc *ip;
1224 {
1225 int y = ip->cury;
1226 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1227 attrclr(ip, y, 0, 1, ip->cols);
1228 SUBR_CURSOR(ip, DRAW_CURSOR);
1229 }
1230
1231
1232
1233 static __inline__ void
1234 ite_clrtoeos(ip)
1235 struct ite_softc *ip;
1236 {
1237 ite_clrtoeol(ip);
1238 if (ip->cury < ip->rows - 1)
1239 {
1240 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1241 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1242 SUBR_CURSOR(ip, DRAW_CURSOR);
1243 }
1244 }
1245
1246 static __inline__ void
1247 ite_clrtobos(ip)
1248 struct ite_softc *ip;
1249 {
1250 ite_clrtobol(ip);
1251 if (ip->cury > 0)
1252 {
1253 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1254 attrclr(ip, 0, 0, ip->cury, ip->cols);
1255 SUBR_CURSOR(ip, DRAW_CURSOR);
1256 }
1257 }
1258
1259 static __inline__ void
1260 ite_clrscreen(ip)
1261 struct ite_softc *ip;
1262 {
1263 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1264 attrclr(ip, 0, 0, ip->rows, ip->cols);
1265 SUBR_CURSOR(ip, DRAW_CURSOR);
1266 }
1267
1268
1269
1270 static __inline__ void
1271 ite_dnline(ip, n)
1272 struct ite_softc *ip;
1273 int n;
1274 {
1275 /* interesting.. if the cursor is outside the scrolling
1276 region, this command is simply ignored.. */
1277 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1278 return;
1279
1280 n = min(n, ip->bottom_margin + 1 - ip->cury);
1281 if (n <= ip->bottom_margin - ip->cury)
1282 {
1283 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1284 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1285 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1286 }
1287 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1288 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1289 SUBR_CURSOR(ip, DRAW_CURSOR);
1290 }
1291
1292 static __inline__ void
1293 ite_inline(ip, n)
1294 struct ite_softc *ip;
1295 int n;
1296 {
1297 /* interesting.. if the cursor is outside the scrolling
1298 region, this command is simply ignored.. */
1299 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1300 return;
1301
1302 n = min(n, ip->bottom_margin + 1 - ip->cury);
1303 if (n <= ip->bottom_margin - ip->cury)
1304 {
1305 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1306 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1307 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1308 }
1309 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1310 attrclr(ip, ip->cury, 0, n, ip->cols);
1311 SUBR_CURSOR(ip, DRAW_CURSOR);
1312 }
1313
1314 static __inline__ void
1315 ite_lf (ip)
1316 struct ite_softc *ip;
1317 {
1318 ++ip->cury;
1319 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1320 {
1321 ip->cury--;
1322 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1323 ite_clrline(ip);
1324 }
1325 SUBR_CURSOR(ip, MOVE_CURSOR);
1326 clr_attr(ip, ATTR_INV);
1327 }
1328
1329 static __inline__ void
1330 ite_crlf (ip)
1331 struct ite_softc *ip;
1332 {
1333 ip->curx = 0;
1334 ite_lf (ip);
1335 }
1336
1337 static __inline__ void
1338 ite_cr (ip)
1339 struct ite_softc *ip;
1340 {
1341 if (ip->curx)
1342 {
1343 ip->curx = 0;
1344 SUBR_CURSOR(ip, MOVE_CURSOR);
1345 }
1346 }
1347
1348 static __inline__ void
1349 ite_rlf (ip)
1350 struct ite_softc *ip;
1351 {
1352 ip->cury--;
1353 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1354 {
1355 ip->cury++;
1356 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1357 ite_clrline(ip);
1358 }
1359 SUBR_CURSOR(ip, MOVE_CURSOR);
1360 clr_attr(ip, ATTR_INV);
1361 }
1362
1363 static __inline__ int
1364 atoi (cp)
1365 const char *cp;
1366 {
1367 int n;
1368
1369 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1370 n = n * 10 + *cp - '0';
1371
1372 return n;
1373 }
1374
1375 static char *
1376 index (cp, ch)
1377 const char *cp;
1378 int ch;
1379 {
1380 while (*cp && *cp != ch) cp++;
1381 return *cp ? (char *) cp : 0;
1382 }
1383
1384
1385 static __inline__ int
1386 ite_argnum (ip)
1387 struct ite_softc *ip;
1388 {
1389 char ch;
1390 int n;
1391
1392 /* convert argument string into number */
1393 if (ip->ap == ip->argbuf)
1394 return 1;
1395 ch = *ip->ap;
1396 *ip->ap = 0;
1397 n = atoi (ip->argbuf);
1398 *ip->ap = ch;
1399
1400 return n;
1401 }
1402
1403 static __inline__ int
1404 ite_zargnum (ip)
1405 struct ite_softc *ip;
1406 {
1407 char ch;
1408 int n;
1409
1410 /* convert argument string into number */
1411 if (ip->ap == ip->argbuf)
1412 return 0;
1413 ch = *ip->ap;
1414 *ip->ap = 0;
1415 n = atoi (ip->argbuf);
1416 *ip->ap = ch;
1417
1418 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1419 }
1420
1421 void
1422 ite_putstr(s, len, dev)
1423 const u_char *s;
1424 int len;
1425 dev_t dev;
1426 {
1427 struct ite_softc *ip;
1428 int i;
1429
1430 ip = getitesp(dev);
1431
1432 /* XXX avoid problems */
1433 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1434 return;
1435
1436 SUBR_CURSOR(ip, START_CURSOROPT);
1437 for (i = 0; i < len; i++)
1438 if (s[i])
1439 iteputchar(s[i], ip);
1440 SUBR_CURSOR(ip, END_CURSOROPT);
1441 }
1442
1443
1444 void
1445 iteputchar(c, ip)
1446 register int c;
1447 struct ite_softc *ip;
1448 {
1449 struct tty *kbd_tty;
1450 int n, x, y;
1451 char *cp;
1452
1453 if (kbd_ite == NULL)
1454 kbd_tty = NULL;
1455 else
1456 kbd_tty = kbd_ite->tp;
1457
1458 if (ip->escape)
1459 {
1460 switch (ip->escape)
1461 {
1462 case ESC:
1463 switch (c)
1464 {
1465 /* first 7bit equivalents for the 8bit control characters */
1466
1467 case 'D':
1468 c = IND;
1469 ip->escape = 0;
1470 break; /* and fall into the next switch below (same for all `break') */
1471
1472 case 'E':
1473 c = NEL;
1474 ip->escape = 0;
1475 break;
1476
1477 case 'H':
1478 c = HTS;
1479 ip->escape = 0;
1480 break;
1481
1482 case 'M':
1483 c = RI;
1484 ip->escape = 0;
1485 break;
1486
1487 case 'N':
1488 c = SS2;
1489 ip->escape = 0;
1490 break;
1491
1492 case 'O':
1493 c = SS3;
1494 ip->escape = 0;
1495 break;
1496
1497 case 'P':
1498 c = DCS;
1499 ip->escape = 0;
1500 break;
1501
1502 case '[':
1503 c = CSI;
1504 ip->escape = 0;
1505 break;
1506
1507 case '\\':
1508 c = ST;
1509 ip->escape = 0;
1510 break;
1511
1512 case ']':
1513 c = OSC;
1514 ip->escape = 0;
1515 break;
1516
1517 case '^':
1518 c = PM;
1519 ip->escape = 0;
1520 break;
1521
1522 case '_':
1523 c = APC;
1524 ip->escape = 0;
1525 break;
1526
1527
1528 /* introduces 7/8bit control */
1529 case ' ':
1530 /* can be followed by either F or G */
1531 ip->escape = ' ';
1532 break;
1533
1534
1535 /* a lot of character set selections, not yet used...
1536 94-character sets: */
1537 case '(': /* G0 */
1538 case ')': /* G1 */
1539 ip->escape = c;
1540 return;
1541
1542 case '*': /* G2 */
1543 case '+': /* G3 */
1544 case 'B': /* ASCII */
1545 case 'A': /* ISO latin 1 */
1546 case '<': /* user preferred suplemental */
1547 case '0': /* dec special graphics */
1548
1549 /* 96-character sets: */
1550 case '-': /* G1 */
1551 case '.': /* G2 */
1552 case '/': /* G3 */
1553
1554 /* national character sets: */
1555 case '4': /* dutch */
1556 case '5':
1557 case 'C': /* finnish */
1558 case 'R': /* french */
1559 case 'Q': /* french canadian */
1560 case 'K': /* german */
1561 case 'Y': /* italian */
1562 case '6': /* norwegian/danish */
1563 /* note: %5 and %6 are not supported (two chars..) */
1564
1565 ip->escape = 0;
1566 /* just ignore for now */
1567 return;
1568
1569
1570 /* locking shift modes (as you might guess, not yet supported..) */
1571 case '`':
1572 ip->GR = ip->G1;
1573 ip->escape = 0;
1574 return;
1575
1576 case 'n':
1577 ip->GL = ip->G2;
1578 ip->escape = 0;
1579 return;
1580
1581 case '}':
1582 ip->GR = ip->G2;
1583 ip->escape = 0;
1584 return;
1585
1586 case 'o':
1587 ip->GL = ip->G3;
1588 ip->escape = 0;
1589 return;
1590
1591 case '|':
1592 ip->GR = ip->G3;
1593 ip->escape = 0;
1594 return;
1595
1596
1597 /* font width/height control */
1598 case '#':
1599 ip->escape = '#';
1600 return;
1601
1602
1603 /* hard terminal reset .. */
1604 case 'c':
1605 ite_reset (ip);
1606 SUBR_CURSOR(ip, MOVE_CURSOR);
1607 ip->escape = 0;
1608 return;
1609
1610
1611 case '7':
1612 ip->save_curx = ip->curx;
1613 ip->save_cury = ip->cury;
1614 ip->save_attribute = ip->attribute;
1615 ip->escape = 0;
1616 return;
1617
1618 case '8':
1619 ip->curx = ip->save_curx;
1620 ip->cury = ip->save_cury;
1621 ip->attribute = ip->save_attribute;
1622 SUBR_CURSOR(ip, MOVE_CURSOR);
1623 ip->escape = 0;
1624 return;
1625
1626 case '=':
1627 ip->keypad_appmode = 1;
1628 ip->escape = 0;
1629 return;
1630
1631 case '>':
1632 ip->keypad_appmode = 0;
1633 ip->escape = 0;
1634 return;
1635
1636 case 'Z': /* request ID */
1637 if (ip->emul_level == EMUL_VT100)
1638 ite_sendstr ("\033[?61;0c"); /* XXX not clean */
1639 else
1640 ite_sendstr ("\033[?63;0c"); /* XXX not clean */
1641 ip->escape = 0;
1642 return;
1643
1644 /* default catch all for not recognized ESC sequences */
1645 default:
1646 ip->escape = 0;
1647 return;
1648 }
1649 break;
1650
1651
1652 case '(':
1653 case ')':
1654 ip->escape = 0;
1655 return;
1656
1657
1658 case ' ':
1659 switch (c)
1660 {
1661 case 'F':
1662 ip->eightbit_C1 = 0;
1663 ip->escape = 0;
1664 return;
1665
1666 case 'G':
1667 ip->eightbit_C1 = 1;
1668 ip->escape = 0;
1669 return;
1670
1671 default:
1672 /* not supported */
1673 ip->escape = 0;
1674 return;
1675 }
1676 break;
1677
1678
1679 case '#':
1680 switch (c)
1681 {
1682 case '5':
1683 /* single height, single width */
1684 ip->escape = 0;
1685 return;
1686
1687 case '6':
1688 /* double width, single height */
1689 ip->escape = 0;
1690 return;
1691
1692 case '3':
1693 /* top half */
1694 ip->escape = 0;
1695 return;
1696
1697 case '4':
1698 /* bottom half */
1699 ip->escape = 0;
1700 return;
1701
1702 case '8':
1703 /* screen alignment pattern... */
1704 alignment_display (ip);
1705 ip->escape = 0;
1706 return;
1707
1708 default:
1709 ip->escape = 0;
1710 return;
1711 }
1712 break;
1713
1714
1715
1716 case CSI:
1717 /* the biggie... */
1718 switch (c)
1719 {
1720 case '0': case '1': case '2': case '3': case '4':
1721 case '5': case '6': case '7': case '8': case '9':
1722 case ';': case '\"': case '$': case '>':
1723 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1724 *ip->ap++ = c;
1725 return;
1726
1727 case BS:
1728 /* you wouldn't believe such perversion is possible?
1729 it is.. BS is allowed in between cursor sequences
1730 (at least), according to vttest.. */
1731 if (--ip->curx < 0)
1732 ip->curx = 0;
1733 else
1734 SUBR_CURSOR(ip, MOVE_CURSOR);
1735 break;
1736
1737 case 'p':
1738 *ip->ap = 0;
1739 if (! strncmp (ip->argbuf, "61\"", 3))
1740 ip->emul_level = EMUL_VT100;
1741 else if (! strncmp (ip->argbuf, "63;1\"", 5)
1742 || ! strncmp (ip->argbuf, "62;1\"", 5))
1743 ip->emul_level = EMUL_VT300_7;
1744 else
1745 ip->emul_level = EMUL_VT300_8;
1746 ip->escape = 0;
1747 return;
1748
1749
1750 case '?':
1751 *ip->ap = 0;
1752 ip->escape = '?';
1753 ip->ap = ip->argbuf;
1754 return;
1755
1756
1757 case 'c':
1758 *ip->ap = 0;
1759 if (ip->argbuf[0] == '>')
1760 {
1761 ite_sendstr ("\033[>24;0;0;0c");
1762 }
1763 else switch (ite_zargnum(ip))
1764 {
1765 case 0:
1766 /* primary DA request, send primary DA response */
1767 if (ip->emul_level == EMUL_VT100)
1768 ite_sendstr ("\033[?1;1c");
1769 else
1770 ite_sendstr ("\033[?63;1c");
1771 break;
1772 }
1773 ip->escape = 0;
1774 return;
1775
1776 case 'n':
1777 switch (ite_zargnum(ip))
1778 {
1779 case 5:
1780 ite_sendstr ("\033[0n"); /* no malfunction */
1781 break;
1782 case 6:
1783 /* cursor position report */
1784 ksprintf (ip->argbuf, "\033[%d;%dR",
1785 ip->cury + 1, ip->curx + 1);
1786 ite_sendstr (ip->argbuf);
1787 break;
1788 }
1789 ip->escape = 0;
1790 return;
1791
1792
1793 case 'x':
1794 switch (ite_zargnum(ip))
1795 {
1796 case 0:
1797 /* Fake some terminal parameters. */
1798 ite_sendstr ("\033[2;1;1;112;112;1;0x");
1799 break;
1800 case 1:
1801 ite_sendstr ("\033[3;1;1;112;112;1;0x");
1802 break;
1803 }
1804 ip->escape = 0;
1805 return;
1806
1807
1808 case 'g':
1809 switch (ite_zargnum(ip))
1810 {
1811 case 0:
1812 if (ip->curx < ip->cols)
1813 ip->tabs[ip->curx] = 0;
1814 break;
1815 case 3:
1816 for (n = 0; n < ip->cols; n++)
1817 ip->tabs[n] = 0;
1818 break;
1819 }
1820 ip->escape = 0;
1821 return;
1822
1823
1824 case 'h': case 'l':
1825 n = ite_zargnum (ip);
1826 switch (n)
1827 {
1828 case 4:
1829 ip->imode = (c == 'h'); /* insert/replace mode */
1830 break;
1831 case 20:
1832 ip->linefeed_newline = (c == 'h');
1833 break;
1834 }
1835 ip->escape = 0;
1836 return;
1837
1838
1839 case 'M':
1840 ite_dnline (ip, ite_argnum (ip));
1841 ip->escape = 0;
1842 return;
1843
1844
1845 case 'L':
1846 ite_inline (ip, ite_argnum (ip));
1847 ip->escape = 0;
1848 return;
1849
1850
1851 case 'P':
1852 ite_dnchar (ip, ite_argnum (ip));
1853 ip->escape = 0;
1854 return;
1855
1856
1857 case '@':
1858 ite_inchar (ip, ite_argnum (ip));
1859 ip->escape = 0;
1860 return;
1861
1862
1863 case 'G':
1864 /* this one was *not* in my vt320 manual but in
1865 a vt320 termcap entry.. who is right?
1866 It's supposed to set the horizontal cursor position. */
1867 *ip->ap = 0;
1868 x = atoi (ip->argbuf);
1869 if (x) x--;
1870 ip->curx = min(x, ip->cols - 1);
1871 ip->escape = 0;
1872 SUBR_CURSOR(ip, MOVE_CURSOR);
1873 clr_attr (ip, ATTR_INV);
1874 return;
1875
1876
1877 case 'd':
1878 /* same thing here, this one's for setting the absolute
1879 vertical cursor position. Not documented... */
1880 *ip->ap = 0;
1881 y = atoi (ip->argbuf);
1882 if (y) y--;
1883 if (ip->inside_margins)
1884 y += ip->top_margin;
1885 ip->cury = min(y, ip->rows - 1);
1886 ip->escape = 0;
1887 snap_cury(ip);
1888 SUBR_CURSOR(ip, MOVE_CURSOR);
1889 clr_attr (ip, ATTR_INV);
1890 return;
1891
1892
1893 case 'H':
1894 case 'f':
1895 *ip->ap = 0;
1896 y = atoi (ip->argbuf);
1897 x = 0;
1898 cp = index (ip->argbuf, ';');
1899 if (cp)
1900 x = atoi (cp + 1);
1901 if (x) x--;
1902 if (y) y--;
1903 if (ip->inside_margins)
1904 y += ip->top_margin;
1905 ip->cury = min(y, ip->rows - 1);
1906 ip->curx = min(x, ip->cols - 1);
1907 ip->escape = 0;
1908 snap_cury(ip);
1909 SUBR_CURSOR(ip, MOVE_CURSOR);
1910 clr_attr (ip, ATTR_INV);
1911 return;
1912
1913 case 'A':
1914 n = ite_argnum (ip);
1915 n = ip->cury - (n ? n : 1);
1916 if (n < 0) n = 0;
1917 if (ip->inside_margins)
1918 n = max(ip->top_margin, n);
1919 else if (n == ip->top_margin - 1)
1920 /* allow scrolling outside region, but don't scroll out
1921 of active region without explicit CUP */
1922 n = ip->top_margin;
1923 ip->cury = n;
1924 ip->escape = 0;
1925 SUBR_CURSOR(ip, MOVE_CURSOR);
1926 clr_attr (ip, ATTR_INV);
1927 return;
1928
1929 case 'B':
1930 n = ite_argnum (ip);
1931 n = ip->cury + (n ? n : 1);
1932 n = min(ip->rows - 1, n);
1933 if (ip->inside_margins)
1934 n = min(ip->bottom_margin, n);
1935 else if (n == ip->bottom_margin + 1)
1936 /* allow scrolling outside region, but don't scroll out
1937 of active region without explicit CUP */
1938 n = ip->bottom_margin;
1939 ip->cury = n;
1940 ip->escape = 0;
1941 SUBR_CURSOR(ip, MOVE_CURSOR);
1942 clr_attr (ip, ATTR_INV);
1943 return;
1944
1945 case 'C':
1946 n = ite_argnum (ip);
1947 n = n ? n : 1;
1948 ip->curx = min(ip->curx + n, ip->cols - 1);
1949 ip->escape = 0;
1950 SUBR_CURSOR(ip, MOVE_CURSOR);
1951 clr_attr (ip, ATTR_INV);
1952 return;
1953
1954 case 'D':
1955 n = ite_argnum (ip);
1956 n = n ? n : 1;
1957 n = ip->curx - n;
1958 ip->curx = n >= 0 ? n : 0;
1959 ip->escape = 0;
1960 SUBR_CURSOR(ip, MOVE_CURSOR);
1961 clr_attr (ip, ATTR_INV);
1962 return;
1963
1964
1965
1966
1967 case 'J':
1968 *ip->ap = 0;
1969 n = ite_zargnum (ip);
1970 if (n == 0)
1971 ite_clrtoeos(ip);
1972 else if (n == 1)
1973 ite_clrtobos(ip);
1974 else if (n == 2)
1975 ite_clrscreen(ip);
1976 ip->escape = 0;
1977 return;
1978
1979
1980 case 'K':
1981 n = ite_zargnum (ip);
1982 if (n == 0)
1983 ite_clrtoeol(ip);
1984 else if (n == 1)
1985 ite_clrtobol(ip);
1986 else if (n == 2)
1987 ite_clrline(ip);
1988 ip->escape = 0;
1989 return;
1990
1991
1992 case 'X':
1993 n = ite_argnum(ip) - 1;
1994 n = min(n, ip->cols - 1 - ip->curx);
1995 for (; n >= 0; n--)
1996 {
1997 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1998 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1999 }
2000 ip->escape = 0;
2001 return;
2002
2003
2004 case '}': case '`':
2005 /* status line control */
2006 ip->escape = 0;
2007 return;
2008
2009
2010 case 'r':
2011 *ip->ap = 0;
2012 x = atoi (ip->argbuf);
2013 x = x ? x : 1;
2014 y = ip->rows;
2015 cp = index (ip->argbuf, ';');
2016 if (cp)
2017 {
2018 y = atoi (cp + 1);
2019 y = y ? y : ip->rows;
2020 }
2021 if (y - x < 2)
2022 {
2023 /* if illegal scrolling region, reset to defaults */
2024 x = 1;
2025 y = ip->rows;
2026 }
2027 x--;
2028 y--;
2029 ip->top_margin = min(x, ip->rows - 1);
2030 ip->bottom_margin = min(y, ip->rows - 1);
2031 if (ip->inside_margins)
2032 {
2033 ip->cury = ip->top_margin;
2034 ip->curx = 0;
2035 SUBR_CURSOR(ip, MOVE_CURSOR);
2036 }
2037 ip->escape = 0;
2038 return;
2039
2040
2041 case 'm':
2042 /* big attribute setter/resetter */
2043 {
2044 char *cp;
2045 *ip->ap = 0;
2046 /* kludge to make CSIm work (== CSI0m) */
2047 if (ip->ap == ip->argbuf)
2048 ip->ap++;
2049 for (cp = ip->argbuf; cp < ip->ap; )
2050 {
2051 switch (*cp)
2052 {
2053 case 0:
2054 case '0':
2055 clr_attr (ip, ATTR_ALL);
2056 cp++;
2057 break;
2058
2059 case '1':
2060 set_attr (ip, ATTR_BOLD);
2061 cp++;
2062 break;
2063
2064 case '2':
2065 switch (cp[1])
2066 {
2067 case '2':
2068 clr_attr (ip, ATTR_BOLD);
2069 cp += 2;
2070 break;
2071
2072 case '4':
2073 clr_attr (ip, ATTR_UL);
2074 cp += 2;
2075 break;
2076
2077 case '5':
2078 clr_attr (ip, ATTR_BLINK);
2079 cp += 2;
2080 break;
2081
2082 case '7':
2083 clr_attr (ip, ATTR_INV);
2084 cp += 2;
2085 break;
2086
2087 default:
2088 cp++;
2089 break;
2090 }
2091 break;
2092
2093 case '4':
2094 set_attr (ip, ATTR_UL);
2095 cp++;
2096 break;
2097
2098 case '5':
2099 set_attr (ip, ATTR_BLINK);
2100 cp++;
2101 break;
2102
2103 case '7':
2104 set_attr (ip, ATTR_INV);
2105 cp++;
2106 break;
2107
2108 default:
2109 cp++;
2110 break;
2111 }
2112 }
2113
2114 }
2115 ip->escape = 0;
2116 return;
2117
2118
2119 case 'u':
2120 /* DECRQTSR */
2121 ite_sendstr ("\033P\033\\");
2122 ip->escape = 0;
2123 return;
2124
2125
2126
2127 default:
2128 ip->escape = 0;
2129 return;
2130 }
2131 break;
2132
2133
2134
2135 case '?': /* CSI ? */
2136 switch (c)
2137 {
2138 case '0': case '1': case '2': case '3': case '4':
2139 case '5': case '6': case '7': case '8': case '9':
2140 case ';': case '\"': case '$':
2141 /* Don't fill the last character; it's needed. */
2142 /* XXX yeah, where ?? */
2143 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2144 *ip->ap++ = c;
2145 return;
2146
2147
2148 case 'n':
2149 *ip->ap = 0;
2150 if (ip->ap == &ip->argbuf[2])
2151 {
2152 if (! strncmp (ip->argbuf, "15", 2))
2153 /* printer status: no printer */
2154 ite_sendstr ("\033[13n");
2155
2156 else if (! strncmp (ip->argbuf, "25", 2))
2157 /* udk status */
2158 ite_sendstr ("\033[20n");
2159
2160 else if (! strncmp (ip->argbuf, "26", 2))
2161 /* keyboard dialect: US */
2162 ite_sendstr ("\033[27;1n");
2163 }
2164 ip->escape = 0;
2165 return;
2166
2167
2168 case 'h': case 'l':
2169 n = ite_zargnum (ip);
2170 switch (n)
2171 {
2172 case 1:
2173 ip->cursor_appmode = (c == 'h');
2174 break;
2175
2176 case 3:
2177 /* 132/80 columns (132 == 'h') */
2178 break;
2179
2180 case 4: /* smooth scroll */
2181 break;
2182
2183 case 5:
2184 /* light background (=='h') /dark background(=='l') */
2185 break;
2186
2187 case 6: /* origin mode */
2188 ip->inside_margins = (c == 'h');
2189 ip->curx = 0;
2190 ip->cury = ip->inside_margins ? ip->top_margin : 0;
2191 SUBR_CURSOR(ip, MOVE_CURSOR);
2192 break;
2193
2194 case 7: /* auto wraparound */
2195 ip->auto_wrap = (c == 'h');
2196 break;
2197
2198 case 8: /* keyboard repeat */
2199 ip->key_repeat = (c == 'h');
2200 break;
2201
2202 case 20: /* newline mode */
2203 ip->linefeed_newline = (c == 'h');
2204 break;
2205
2206 case 25: /* cursor on/off */
2207 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
2208 break;
2209 }
2210 ip->escape = 0;
2211 return;
2212
2213 default:
2214 ip->escape = 0;
2215 return;
2216 }
2217 break;
2218
2219
2220 default:
2221 ip->escape = 0;
2222 return;
2223 }
2224 }
2225
2226 switch (c) {
2227
2228 case VT: /* VT is treated like LF */
2229 case FF: /* so is FF */
2230 case LF:
2231 /* cr->crlf distinction is done here, on output,
2232 not on input! */
2233 if (ip->linefeed_newline)
2234 ite_crlf (ip);
2235 else
2236 ite_lf (ip);
2237 break;
2238
2239 case CR:
2240 ite_cr (ip);
2241 break;
2242
2243 case BS:
2244 if (--ip->curx < 0)
2245 ip->curx = 0;
2246 else
2247 SUBR_CURSOR(ip, MOVE_CURSOR);
2248 break;
2249
2250 case HT:
2251 for (n = ip->curx + 1; n < ip->cols; n++) {
2252 if (ip->tabs[n]) {
2253 ip->curx = n;
2254 SUBR_CURSOR(ip, MOVE_CURSOR);
2255 break;
2256 }
2257 }
2258 break;
2259
2260 case BEL:
2261 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2262 kbdbell();
2263 break;
2264
2265 case SO:
2266 ip->GL = ip->G1;
2267 break;
2268
2269 case SI:
2270 ip->GL = ip->G0;
2271 break;
2272
2273 case ENQ:
2274 /* send answer-back message !! */
2275 break;
2276
2277 case CAN:
2278 ip->escape = 0; /* cancel any escape sequence in progress */
2279 break;
2280
2281 case SUB:
2282 ip->escape = 0; /* dito, but see below */
2283 /* should also display a reverse question mark!! */
2284 break;
2285
2286 case ESC:
2287 ip->escape = ESC;
2288 break;
2289
2290
2291 /* now it gets weird.. 8bit control sequences.. */
2292 case IND: /* index: move cursor down, scroll */
2293 ite_lf (ip);
2294 break;
2295
2296 case NEL: /* next line. next line, first pos. */
2297 ite_crlf (ip);
2298 break;
2299
2300 case HTS: /* set horizontal tab */
2301 if (ip->curx < ip->cols)
2302 ip->tabs[ip->curx] = 1;
2303 break;
2304
2305 case RI: /* reverse index */
2306 ite_rlf (ip);
2307 break;
2308
2309 case SS2: /* go into G2 for one character */
2310 /* not yet supported */
2311 break;
2312
2313 case SS3: /* go into G3 for one character */
2314 break;
2315
2316 case DCS: /* device control string introducer */
2317 ip->escape = DCS;
2318 ip->ap = ip->argbuf;
2319 break;
2320
2321 case CSI: /* control sequence introducer */
2322 ip->escape = CSI;
2323 ip->ap = ip->argbuf;
2324 break;
2325
2326 case ST: /* string terminator */
2327 /* ignore, if not used as terminator */
2328 break;
2329
2330 case OSC: /* introduces OS command. Ignore everything upto ST */
2331 ip->escape = OSC;
2332 break;
2333
2334 case PM: /* privacy message, ignore everything upto ST */
2335 ip->escape = PM;
2336 break;
2337
2338 case APC: /* application program command, ignore everything upto ST */
2339 ip->escape = APC;
2340 break;
2341
2342 default:
2343 if (c < ' ' || c == DEL)
2344 break;
2345 if (ip->imode)
2346 ite_inchar(ip, 1);
2347 iteprecheckwrap(ip);
2348 #ifdef DO_WEIRD_ATTRIBUTES
2349 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2350 attrset(ip, ATTR_INV);
2351 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2352 }
2353 else
2354 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2355 #else
2356 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2357 #endif
2358 SUBR_CURSOR(ip, DRAW_CURSOR);
2359 itecheckwrap(ip);
2360 break;
2361 }
2362 }
2363
2364 static void
2365 iteprecheckwrap(ip)
2366 struct ite_softc *ip;
2367 {
2368 if (ip->auto_wrap && ip->curx == ip->cols) {
2369 ip->curx = 0;
2370 clr_attr(ip, ATTR_INV);
2371 if (++ip->cury >= ip->bottom_margin + 1) {
2372 ip->cury = ip->bottom_margin;
2373 SUBR_CURSOR(ip, MOVE_CURSOR);
2374 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2375 ite_clrtoeol(ip);
2376 } else
2377 SUBR_CURSOR(ip, MOVE_CURSOR);
2378 }
2379 }
2380
2381 static void
2382 itecheckwrap(ip)
2383 struct ite_softc *ip;
2384 {
2385 if (ip->curx < ip->cols) {
2386 ip->curx++;
2387 SUBR_CURSOR(ip, MOVE_CURSOR);
2388 }
2389 }
2390