ite.c revision 1.57 1 /* $NetBSD: ite.c,v 1.57 2002/01/26 13:40:57 aymeric 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/callout.h>
62 #include <sys/proc.h>
63 #include <dev/cons.h>
64 #include <amiga/amiga/cc.h>
65 #include <amiga/amiga/color.h> /* DEBUG */
66 #include <amiga/amiga/custom.h> /* DEBUG */
67 #include <amiga/amiga/device.h>
68 #if defined(__m68k__)
69 #include <amiga/amiga/isr.h>
70 #endif
71 #include <amiga/dev/iteioctl.h>
72 #include <amiga/dev/itevar.h>
73 #include <amiga/dev/kbdmap.h>
74 #include <amiga/dev/grfioctl.h>
75 #include <amiga/dev/grfvar.h>
76
77 #include <machine/cpu.h> /* for is_draco() */
78
79 #include <sys/conf.h>
80 #include <machine/conf.h>
81
82 #include "grfcc.h"
83 #include "ite.h"
84
85 /*
86 * XXX go ask sys/kern/tty.c:ttselect()
87 */
88
89 #define ITEUNIT(dev) (minor(dev))
90
91 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
92 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
93 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
94 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
95 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
96 #define SUBR_SCROLL(ip,sy,sx,count,dir) \
97 (ip)->grf->g_itescroll(ip,sy,sx,count,dir)
98
99 u_int ite_confunits; /* configured units */
100
101 int start_repeat_timeo = 30; /* first repeat after x s/100 */
102 int next_repeat_timeo = 10; /* next repeat after x s/100 */
103
104 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
105
106 struct ite_softc con_itesoftc;
107 u_char cons_tabs[MAX_TABS];
108
109 struct ite_softc *kbd_ite;
110
111 /* audio bell stuff */
112 u_int bvolume = 10;
113 u_int bpitch = 660;
114 u_int bmsec = 75;
115
116 static char *bsamplep;
117 static char sample[20] = {
118 0,39,75,103,121,127,121,103,75,39,0,
119 -39,-75,-103,-121,-127,-121,-103,-75,-39
120 };
121
122 static char *index(const char *, char);
123 void iteputchar(int c, struct ite_softc *ip);
124 void ite_putstr(const char * s, int len, dev_t dev);
125 void iteattach(struct device *, struct device *, void *);
126 int itematch(struct device *, struct cfdata *, void *);
127 static void iteprecheckwrap(struct ite_softc *);
128 static void itecheckwrap(struct ite_softc *);
129 struct ite_softc *getitesp(dev_t);
130 void init_bell(void);
131 void ite_bell(void);
132 void itecnpollc(dev_t, int);
133 static void repeat_handler(void *);
134 inline static void ite_sendstr(char *);
135 static void alignment_display(struct ite_softc *);
136 inline static void snap_cury(struct ite_softc *);
137 inline static void ite_dnchar(struct ite_softc *, int);
138 inline static void ite_inchar(struct ite_softc *, int);
139 inline static void ite_clrtoeol(struct ite_softc *);
140 inline static void ite_clrtobol(struct ite_softc *);
141 inline static void ite_clrline(struct ite_softc *);
142 inline static void ite_clrtoeos(struct ite_softc *);
143 inline static void ite_clrtobos(struct ite_softc *);
144 inline static void ite_clrscreen(struct ite_softc *);
145 inline static void ite_dnline(struct ite_softc *, int);
146 inline static void ite_inline(struct ite_softc *, int);
147 inline static void ite_lf(struct ite_softc *);
148 inline static void ite_crlf(struct ite_softc *);
149 inline static void ite_cr(struct ite_softc *);
150 inline static void ite_rlf(struct ite_softc *);
151 inline static int atoi(const char *);
152 inline static int ite_argnum(struct ite_softc *);
153 inline static int ite_zargnum(struct ite_softc *);
154
155 struct cfattach ite_ca = {
156 sizeof(struct ite_softc), itematch, iteattach
157 };
158
159 extern struct cfdriver ite_cd;
160
161 int
162 itematch(struct device *pdp, struct cfdata *cfp, 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(struct device *pdp, struct device *dp, void *auxp)
189 {
190 struct grf_softc *gp;
191 struct ite_softc *ip;
192 int s;
193
194 gp = (struct grf_softc *)auxp;
195
196 /*
197 * mark unit as attached (XXX see itematch)
198 */
199 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
200
201 if (dp) {
202 ip = (struct ite_softc *)dp;
203
204 s = spltty();
205 if (con_itesoftc.grf != NULL &&
206 con_itesoftc.grf->g_unit == gp->g_unit) {
207 /*
208 * console reinit copy params over.
209 * and console always gets keyboard
210 */
211 bcopy(&con_itesoftc.grf, &ip->grf,
212 (char *)&ip[1] - (char *)&ip->grf);
213 con_itesoftc.grf = NULL;
214 kbd_ite = ip;
215 }
216 ip->grf = gp;
217 splx(s);
218
219 alloc_sicallback();
220 iteinit(gp->g_itedev);
221 printf(": rows %d cols %d", ip->rows, ip->cols);
222 printf(" repeat at (%d/100)s next at (%d/100)s",
223 start_repeat_timeo, next_repeat_timeo);
224
225 if (kbd_ite == NULL)
226 kbd_ite = ip;
227 if (kbd_ite == ip)
228 printf(" has keyboard");
229 printf("\n");
230 } else {
231 if (con_itesoftc.grf != NULL &&
232 con_itesoftc.grf->g_conpri > gp->g_conpri)
233 return;
234 con_itesoftc.grf = gp;
235 con_itesoftc.tabs = cons_tabs;
236 }
237 }
238
239 struct ite_softc *
240 getitesp(dev_t dev)
241 {
242 if (amiga_realconfig && con_itesoftc.grf == NULL)
243 return(ite_cd.cd_devs[ITEUNIT(dev)]);
244
245 if (con_itesoftc.grf == NULL)
246 panic("no ite_softc for console");
247 return(&con_itesoftc);
248 }
249
250 /*
251 * cons.c entry points into ite device.
252 */
253
254 /*
255 * Return a priority in consdev->cn_pri field highest wins. This function
256 * is called before any devices have been probed.
257 */
258 void
259 itecnprobe(struct consdev *cd)
260 {
261 /*
262 * bring graphics layer up.
263 */
264 config_console();
265
266 /*
267 * return priority of the best ite (already picked from attach)
268 * or CN_DEAD.
269 */
270 if (con_itesoftc.grf == NULL)
271 cd->cn_pri = CN_DEAD;
272 else {
273 cd->cn_pri = con_itesoftc.grf->g_conpri;
274 cd->cn_dev = con_itesoftc.grf->g_itedev;
275 }
276 }
277
278 /* audio bell stuff */
279 void
280 init_bell(void)
281 {
282 if (bsamplep != NULL)
283 return;
284 bsamplep = alloc_chipmem(20);
285 if (bsamplep == NULL)
286 panic("no chipmem for ite_bell");
287
288 bcopy(sample, bsamplep, 20);
289 }
290
291 void
292 ite_bell(void)
293 {
294 u_int clock;
295 u_int period;
296 u_int count;
297
298 clock = 3579545; /* PAL 3546895 */
299
300 /*
301 * the number of clock ticks per sample byte must be > 124
302 * ergo bpitch must be < clock / 124*20
303 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously
304 */
305 period = clock / (bpitch * 20);
306 count = bmsec * bpitch / 1000;
307
308 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count);
309 }
310
311 void
312 itecninit(struct consdev *cd)
313 {
314 struct ite_softc *ip;
315
316 ip = getitesp(cd->cn_dev);
317 iteinit(cd->cn_dev);
318 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
319
320 #ifdef DRACO
321 if (!is_draco())
322 #endif
323 init_bell();
324 }
325
326 /*
327 * ite_cnfinish() is called in ite_init() when the device is
328 * being probed in the normal fasion, thus we can finish setting
329 * up this ite now that the system is more functional.
330 */
331 void
332 ite_cnfinish(struct ite_softc *ip)
333 {
334 static int done;
335
336 if (done)
337 return;
338 done = 1;
339 }
340
341 int
342 itecngetc(dev_t dev)
343 {
344 int c;
345
346 /* XXX this should be moved */
347 kbdenable();
348 do {
349 c = kbdgetcn();
350 c = ite_cnfilter(c, ITEFILT_CONSOLE);
351 } while (c == -1);
352 return (c);
353 }
354
355 void
356 itecnputc(dev_t dev, int c)
357 {
358 static int paniced;
359 struct ite_softc *ip;
360 char ch;
361
362 ip = getitesp(dev);
363 ch = c;
364
365 if (panicstr && !paniced &&
366 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
367 (void)ite_on(dev, 3);
368 paniced = 1;
369 }
370 iteputchar(ch, ip);
371 }
372
373 void
374 itecnpollc(dev_t dev, int on)
375 {
376 }
377
378 /*
379 * standard entry points to the device.
380 */
381
382 /*
383 * iteinit() is the standard entry point for initialization of
384 * an ite device, it is also called from ite_cninit().
385 *
386 */
387 void
388 iteinit(dev_t dev)
389 {
390 struct ite_softc *ip;
391 static int kbdmap_loaded = 0;
392
393 ip = getitesp(dev);
394 if (ip->flags & ITE_INITED)
395 return;
396 if (kbdmap_loaded == 0) {
397 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
398 kbdmap_loaded = 1;
399 }
400
401 ip->cursorx = 0;
402 ip->cursory = 0;
403 SUBR_INIT(ip);
404 SUBR_CURSOR(ip, DRAW_CURSOR);
405 if (ip->tabs == NULL)
406 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
407 ite_reset(ip);
408 ip->flags |= ITE_INITED;
409 }
410
411 int
412 iteopen(dev_t dev, int mode, int devtype, struct proc *p)
413 {
414 struct ite_softc *ip;
415 struct tty *tp;
416 int error, first, unit;
417
418 unit = ITEUNIT(dev);
419 first = 0;
420
421 if (((1 << unit) & ite_confunits) == 0)
422 return (ENXIO);
423
424 ip = getitesp(dev);
425
426 if (ip->tp == NULL) {
427 tp = ip->tp = ttymalloc();
428 tty_attach(tp);
429 } else
430 tp = ip->tp;
431 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
432 && p->p_ucred->cr_uid != 0)
433 return (EBUSY);
434 if ((ip->flags & ITE_ACTIVE) == 0) {
435 error = ite_on(dev, 0);
436 if (error)
437 return (error);
438 first = 1;
439 }
440 tp->t_oproc = itestart;
441 tp->t_param = ite_param;
442 tp->t_dev = dev;
443 if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) {
444 ttychars(tp);
445 tp->t_iflag = TTYDEF_IFLAG;
446 tp->t_oflag = TTYDEF_OFLAG;
447 tp->t_cflag = TTYDEF_CFLAG;
448 tp->t_lflag = TTYDEF_LFLAG;
449 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
450 tp->t_state = TS_CARR_ON;
451 ttsetwater(tp);
452 }
453 error = ttyopen(tp, 0, mode & O_NONBLOCK);
454 if (error)
455 goto bad;
456
457 error = tp->t_linesw->l_open(dev, tp);
458 if (error)
459 goto bad;
460
461 tp->t_winsize.ws_row = ip->rows;
462 tp->t_winsize.ws_col = ip->cols;
463 kbdenable();
464 return (0);
465 bad:
466 if (first)
467 ite_off(dev, 0);
468 return (error);
469 }
470
471 int
472 iteclose(dev_t dev, int flag, int mode, struct proc *p)
473 {
474 struct tty *tp;
475
476 tp = getitesp(dev)->tp;
477
478 KDASSERT(tp);
479 tp->t_linesw->l_close(tp, flag);
480 ttyclose(tp);
481 ite_off(dev, 0);
482 return (0);
483 }
484
485 int
486 iteread(dev_t dev, struct uio *uio, int flag)
487 {
488 struct tty *tp;
489
490 tp = getitesp(dev)->tp;
491
492 KDASSERT(tp);
493 return tp->t_linesw->l_read(tp, uio, flag);
494 }
495
496 int
497 itewrite(dev_t dev, struct uio *uio, int flag)
498 {
499 struct tty *tp;
500
501 tp = getitesp(dev)->tp;
502
503 KDASSERT(tp);
504 return tp->t_linesw->l_write(tp, uio, flag);
505 }
506
507 int
508 itepoll(dev_t dev, int events, struct proc *p)
509 {
510 struct tty *tp;
511
512 tp = getitesp(dev)->tp;
513
514 KDASSERT(tp);
515 return ((*tp->t_linesw->l_poll)(tp, events, p));
516 }
517
518 struct tty *
519 itetty(dev_t dev)
520 {
521 return (getitesp(dev)->tp);
522 }
523
524 void
525 itestop(struct tty *tp, int flag)
526 {
527
528 }
529
530 int
531 iteioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
532 {
533 struct iterepeat *irp;
534 struct ite_softc *ip;
535 struct itebell *ib;
536 struct tty *tp;
537 int error;
538
539 ip = getitesp(dev);
540 tp = ip->tp;
541
542 KDASSERT(tp);
543
544 error = tp->t_linesw->l_ioctl(tp, cmd, addr, flag, p);
545 if (error >= 0)
546 return (error);
547 error = ttioctl(tp, cmd, addr, flag, p);
548 if (error >= 0)
549 return (error);
550
551 switch (cmd) {
552 case ITEIOCGBELL:
553 ib = (struct itebell *)addr;
554 ib->volume = bvolume;
555 ib->pitch = bpitch;
556 ib->msec = bmsec;
557 return (0);
558 case ITEIOCSBELL:
559 ib = (struct itebell *)addr;
560
561 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH ||
562 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME)
563 return (EINVAL);
564 bvolume = ib->volume;
565 bpitch = ib->pitch;
566 bmsec = ib->msec;
567 return (0);
568 case ITEIOCSKMAP:
569 if (addr == 0)
570 return(EFAULT);
571 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
572 return(0);
573 case ITEIOCGKMAP:
574 if (addr == NULL)
575 return(EFAULT);
576 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
577 return(0);
578 case ITEIOCGREPT:
579 irp = (struct iterepeat *)addr;
580 irp->start = start_repeat_timeo;
581 irp->next = next_repeat_timeo;
582 return (0);
583 case ITEIOCSREPT:
584 irp = (struct iterepeat *)addr;
585 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
586 return(EINVAL);
587 start_repeat_timeo = irp->start;
588 next_repeat_timeo = irp->next;
589 return(0);
590 }
591 #if NGRFCC > 0
592 /* XXX */
593 if (minor(dev) == 0) {
594 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
595 if (error >= 0)
596 return (error);
597 }
598 #endif
599 return (ENOTTY);
600 }
601
602 void
603 itestart(struct tty *tp)
604 {
605 struct clist *rbp;
606 struct ite_softc *ip;
607 u_char buf[ITEBURST];
608 int s, len;
609
610 ip = getitesp(tp->t_dev);
611
612 KDASSERT(tp);
613
614 s = spltty(); {
615 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
616 goto out;
617
618 tp->t_state |= TS_BUSY;
619 rbp = &tp->t_outq;
620
621 len = q_to_b(rbp, buf, ITEBURST);
622 } splx(s);
623
624 /* Here is a really good place to implement pre/jumpscroll() */
625 ite_putstr(buf, len, tp->t_dev);
626
627 s = spltty(); {
628 tp->t_state &= ~TS_BUSY;
629 /* we have characters remaining. */
630 if (rbp->c_cc) {
631 tp->t_state |= TS_TIMEOUT;
632 callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp);
633 }
634 /* wakeup we are below */
635 if (rbp->c_cc <= tp->t_lowat) {
636 if (tp->t_state & TS_ASLEEP) {
637 tp->t_state &= ~TS_ASLEEP;
638 wakeup((caddr_t) rbp);
639 }
640 selwakeup(&tp->t_wsel);
641 }
642 out:
643 } splx(s);
644 }
645
646 int
647 ite_on(dev_t dev, int flag)
648 {
649 struct ite_softc *ip;
650 int unit;
651
652 unit = ITEUNIT(dev);
653 if (((1 << unit) & ite_confunits) == 0)
654 return (ENXIO);
655
656 ip = getitesp(dev);
657
658 /* force ite active, overriding graphics mode */
659 if (flag & 1) {
660 ip->flags |= ITE_ACTIVE;
661 ip->flags &= ~(ITE_INGRF | ITE_INITED);
662 }
663 /* leave graphics mode */
664 if (flag & 2) {
665 ip->flags &= ~ITE_INGRF;
666 if ((ip->flags & ITE_ACTIVE) == 0)
667 return (0);
668 }
669 ip->flags |= ITE_ACTIVE;
670 if (ip->flags & ITE_INGRF)
671 return (0);
672 iteinit(dev);
673 return (0);
674 }
675
676 void
677 ite_off(dev_t dev, int flag)
678 {
679 struct ite_softc *ip;
680
681 ip = getitesp(dev);
682 if (flag & 2)
683 ip->flags |= ITE_INGRF;
684 if ((ip->flags & ITE_ACTIVE) == 0)
685 return;
686 if ((flag & 1) ||
687 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
688 SUBR_DEINIT(ip);
689 /* XXX hmm grfon() I think wants this to go inactive. */
690 if ((flag & 2) == 0)
691 ip->flags &= ~ITE_ACTIVE;
692 }
693
694 /* XXX called after changes made in underlying grf layer. */
695 /* I want to nuke this */
696 void
697 ite_reinit(dev_t dev)
698 {
699 struct ite_softc *ip;
700
701 ip = getitesp(dev);
702 ip->flags &= ~ITE_INITED;
703 iteinit(dev);
704 }
705
706 int
707 ite_param(struct tty *tp, struct termios *t)
708 {
709 tp->t_ispeed = t->c_ispeed;
710 tp->t_ospeed = t->c_ospeed;
711 tp->t_cflag = t->c_cflag;
712 return (0);
713 }
714
715 void
716 ite_reset(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(u_char c, enum caller caller)
752 {
753 struct key key;
754 u_char code, up, mask;
755 int s, i;
756
757 up = c & 0x80 ? 1 : 0;
758 c &= 0x7f;
759 code = 0;
760
761 s = spltty();
762
763 i = (int)c - KBD_LEFT_SHIFT;
764 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
765 mask = 1 << i;
766 if (up)
767 key_mod &= ~mask;
768 else
769 key_mod |= mask;
770 splx(s);
771 return -1;
772 }
773
774 if (up) {
775 splx(s);
776 return -1;
777 }
778
779 /* translate modifiers */
780 if (key_mod & KBD_MOD_SHIFT) {
781 if (key_mod & KBD_MOD_ALT)
782 key = kbdmap.alt_shift_keys[c];
783 else
784 key = kbdmap.shift_keys[c];
785 } else if (key_mod & KBD_MOD_ALT)
786 key = kbdmap.alt_keys[c];
787 else {
788 key = kbdmap.keys[c];
789 /* if CAPS and key is CAPable (no pun intended) */
790 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
791 key = kbdmap.shift_keys[c];
792 }
793 code = key.code;
794
795 /* if string return */
796 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
797 splx(s);
798 return -1;
799 }
800 /* handle dead keys */
801 if (key.mode & KBD_MODE_DEAD) {
802 /* if entered twice, send accent itself */
803 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
804 last_dead = 0;
805 else {
806 last_dead = key.mode & KBD_MODE_ACCMASK;
807 splx(s);
808 return -1;
809 }
810 }
811 if (last_dead) {
812 /* can't apply dead flag to string-keys */
813 if (code >= '@' && code < 0x7f)
814 code =
815 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
816 last_dead = 0;
817 }
818 if (key_mod & KBD_MOD_CTRL)
819 code &= 0x1f;
820 if (key_mod & KBD_MOD_META)
821 code |= 0x80;
822
823 /* do console mapping. */
824 code = code == '\r' ? '\n' : code;
825
826 splx(s);
827 return (code);
828 }
829
830 /* And now the old stuff. */
831
832 /* these are used to implement repeating keys.. */
833 static u_char last_char;
834 static u_char tout_pending;
835
836 static struct callout repeat_ch = CALLOUT_INITIALIZER;
837
838 /*ARGSUSED*/
839 static void
840 repeat_handler(void *arg)
841 {
842 tout_pending = 0;
843 if (last_char)
844 ite_filter(last_char, ITEFILT_REPEATER);
845 }
846
847 void
848 ite_filter(u_char c, enum caller caller)
849 {
850 struct tty *kbd_tty;
851 u_char code, *str, up, mask;
852 struct key key;
853 int s, i;
854
855 if (kbd_ite == NULL || kbd_ite->tp == NULL)
856 return;
857
858 kbd_tty = kbd_ite->tp;
859
860 /* have to make sure we're at spltty in here */
861 s = spltty();
862
863 /*
864 * keyboard interrupts come at priority 2, while softint
865 * generated keyboard-repeat interrupts come at level 1. So,
866 * to not allow a key-up event to get thru before a repeat for
867 * the key-down, we remove any outstanding callout requests..
868 rem_sicallback(ite_sifilter);
869 */
870
871 up = c & 0x80 ? 1 : 0;
872 c &= 0x7f;
873 code = 0;
874
875 i = (int)c - KBD_LEFT_SHIFT;
876 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
877 mask = 1 << i;
878 if (up)
879 key_mod &= ~mask;
880 else
881 key_mod |= mask;
882 splx(s);
883 return;
884 }
885 /* stop repeating on up event */
886 if (up) {
887 if (tout_pending) {
888 callout_stop(&repeat_ch);
889 tout_pending = 0;
890 last_char = 0;
891 }
892 splx(s);
893 return;
894 } else if (tout_pending && last_char != c) {
895 /* different character, stop also */
896 callout_stop(&repeat_ch);
897 tout_pending = 0;
898 last_char = 0;
899 }
900 /* Safety button, switch back to ascii keymap. */
901 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
902 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
903
904 splx(s);
905 return;
906 #ifdef DDB
907 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
908 Debugger();
909 splx(s);
910 return;
911 #endif
912 }
913 /* translate modifiers */
914 if (key_mod & KBD_MOD_SHIFT) {
915 if (key_mod & KBD_MOD_ALT)
916 key = kbdmap.alt_shift_keys[c];
917 else
918 key = kbdmap.shift_keys[c];
919 } else if (key_mod & KBD_MOD_ALT)
920 key = kbdmap.alt_keys[c];
921 else {
922 key = kbdmap.keys[c];
923 /* if CAPS and key is CAPable (no pun intended) */
924 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
925 key = kbdmap.shift_keys[c];
926 }
927 code = key.code;
928
929 /*
930 * arrange to repeat the keystroke. By doing this at the level
931 * of scan-codes, we can have function keys, and keys that
932 * send strings, repeat too. This also entitles an additional
933 * overhead, since we have to do the conversion each time, but
934 * I guess that's ok.
935 */
936 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
937 tout_pending = 1;
938 last_char = c;
939 callout_reset(&repeat_ch,
940 start_repeat_timeo * hz / 100, repeat_handler, NULL);
941 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
942 kbd_ite->key_repeat) {
943 tout_pending = 1;
944 last_char = c;
945 callout_reset(&repeat_ch,
946 next_repeat_timeo * hz / 100, repeat_handler, NULL);
947 }
948 /* handle dead keys */
949 if (key.mode & KBD_MODE_DEAD) {
950 /* if entered twice, send accent itself */
951 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
952 last_dead = 0;
953 else {
954 last_dead = key.mode & KBD_MODE_ACCMASK;
955 splx(s);
956 return;
957 }
958 }
959 if (last_dead) {
960 /* can't apply dead flag to string-keys */
961 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
962 code < 0x7f)
963 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
964 last_dead = 0;
965 }
966 /* if not string, apply META and CTRL modifiers */
967 if (!(key.mode & KBD_MODE_STRING)
968 && (!(key.mode & KBD_MODE_KPAD) ||
969 (kbd_ite && !kbd_ite->keypad_appmode))) {
970 if (key_mod & KBD_MOD_CTRL)
971 code &= 0x1f;
972 if (key_mod & KBD_MOD_META)
973 code |= 0x80;
974 } else if ((key.mode & KBD_MODE_KPAD) &&
975 (kbd_ite && kbd_ite->keypad_appmode)) {
976 static char in[] = {
977 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */,
978 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */,
979 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */,
980 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */,
981 0x5c /* / */, 0x5d /* * */
982 };
983 static char *out = "pqrstuvwxymlnMPQRS";
984 char *cp = index (in, c);
985
986 /*
987 * keypad-appmode sends SS3 followed by the above
988 * translated character
989 */
990 kbd_tty->t_linesw->l_rint(27, kbd_tty);
991 kbd_tty->t_linesw->l_rint('O', kbd_tty);
992 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
993 splx(s);
994 return;
995 } else {
996 /* *NO* I don't like this.... */
997 static u_char app_cursor[] =
998 {
999 3, 27, 'O', 'A',
1000 3, 27, 'O', 'B',
1001 3, 27, 'O', 'C',
1002 3, 27, 'O', 'D'};
1003
1004 str = kbdmap.strings + code;
1005 /*
1006 * if this is a cursor key, AND it has the default
1007 * keymap setting, AND we're in app-cursor mode, switch
1008 * to the above table. This is *nasty* !
1009 */
1010 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
1011 && !bcmp(str, "\x03\x1b[", 3) &&
1012 index("ABCD", str[3]))
1013 str = app_cursor + 4 * (str[3] - 'A');
1014
1015 /*
1016 * using a length-byte instead of 0-termination allows
1017 * to embed \0 into strings, although this is not used
1018 * in the default keymap
1019 */
1020 for (i = *str++; i; i--)
1021 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1022 splx(s);
1023 return;
1024 }
1025 kbd_tty->t_linesw->l_rint(code, kbd_tty);
1026
1027 splx(s);
1028 return;
1029 }
1030
1031 /* helper functions, makes the code below more readable */
1032 inline static void
1033 ite_sendstr(char *str)
1034 {
1035 struct tty *kbd_tty;
1036
1037 kbd_tty = kbd_ite->tp;
1038 KDASSERT(kbd_tty);
1039 while (*str)
1040 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1041 }
1042
1043 static void
1044 alignment_display(struct ite_softc *ip)
1045 {
1046 int i, j;
1047
1048 for (j = 0; j < ip->rows; j++)
1049 for (i = 0; i < ip->cols; i++)
1050 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1051 attrclr(ip, 0, 0, ip->rows, ip->cols);
1052 SUBR_CURSOR(ip, DRAW_CURSOR);
1053 }
1054
1055 inline static void
1056 snap_cury(struct ite_softc *ip)
1057 {
1058 if (ip->inside_margins)
1059 {
1060 if (ip->cury < ip->top_margin)
1061 ip->cury = ip->top_margin;
1062 if (ip->cury > ip->bottom_margin)
1063 ip->cury = ip->bottom_margin;
1064 }
1065 }
1066
1067 inline static void
1068 ite_dnchar(struct ite_softc *ip, int n)
1069 {
1070 n = min(n, ip->cols - ip->curx);
1071 if (n < ip->cols - ip->curx)
1072 {
1073 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1074 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1075 1, ip->cols - ip->curx - n);
1076 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1077 }
1078 while (n-- > 0)
1079 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1080 SUBR_CURSOR(ip, DRAW_CURSOR);
1081 }
1082
1083 inline static void
1084 ite_inchar(struct ite_softc *ip, int n)
1085 {
1086 n = min(n, ip->cols - ip->curx);
1087 if (n < ip->cols - ip->curx)
1088 {
1089 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1090 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1091 1, ip->cols - ip->curx - n);
1092 attrclr(ip, ip->cury, ip->curx, 1, n);
1093 }
1094 while (n--)
1095 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1096 SUBR_CURSOR(ip, DRAW_CURSOR);
1097 }
1098
1099 inline static void
1100 ite_clrtoeol(struct ite_softc *ip)
1101 {
1102 int y = ip->cury, x = ip->curx;
1103 if (ip->cols - x > 0)
1104 {
1105 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1106 attrclr(ip, y, x, 1, ip->cols - x);
1107 SUBR_CURSOR(ip, DRAW_CURSOR);
1108 }
1109 }
1110
1111 inline static void
1112 ite_clrtobol(struct ite_softc *ip)
1113 {
1114 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1115 SUBR_CLEAR(ip, y, 0, 1, x);
1116 attrclr(ip, y, 0, 1, x);
1117 SUBR_CURSOR(ip, DRAW_CURSOR);
1118 }
1119
1120 inline static void
1121 ite_clrline(struct ite_softc *ip)
1122 {
1123 int y = ip->cury;
1124 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1125 attrclr(ip, y, 0, 1, ip->cols);
1126 SUBR_CURSOR(ip, DRAW_CURSOR);
1127 }
1128
1129
1130
1131 inline static void
1132 ite_clrtoeos(struct ite_softc *ip)
1133 {
1134 ite_clrtoeol(ip);
1135 if (ip->cury < ip->rows - 1)
1136 {
1137 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1138 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1139 SUBR_CURSOR(ip, DRAW_CURSOR);
1140 }
1141 }
1142
1143 inline static void
1144 ite_clrtobos(struct ite_softc *ip)
1145 {
1146 ite_clrtobol(ip);
1147 if (ip->cury > 0)
1148 {
1149 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1150 attrclr(ip, 0, 0, ip->cury, ip->cols);
1151 SUBR_CURSOR(ip, DRAW_CURSOR);
1152 }
1153 }
1154
1155 inline static void
1156 ite_clrscreen(struct ite_softc *ip)
1157 {
1158 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1159 attrclr(ip, 0, 0, ip->rows, ip->cols);
1160 SUBR_CURSOR(ip, DRAW_CURSOR);
1161 }
1162
1163
1164
1165 inline static void
1166 ite_dnline(struct ite_softc *ip, int n)
1167 {
1168 /* interesting.. if the cursor is outside the scrolling
1169 region, this command is simply ignored.. */
1170 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1171 return;
1172
1173 n = min(n, ip->bottom_margin + 1 - ip->cury);
1174 if (n <= ip->bottom_margin - ip->cury)
1175 {
1176 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1177 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1178 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1179 }
1180 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1181 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1182 SUBR_CURSOR(ip, DRAW_CURSOR);
1183 }
1184
1185 inline static void
1186 ite_inline(struct ite_softc *ip, int n)
1187 {
1188 /* interesting.. if the cursor is outside the scrolling
1189 region, this command is simply ignored.. */
1190 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1191 return;
1192
1193 n = min(n, ip->bottom_margin + 1 - ip->cury);
1194 if (n <= ip->bottom_margin - ip->cury)
1195 {
1196 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1197 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1198 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1199 }
1200 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1201 attrclr(ip, ip->cury, 0, n, ip->cols);
1202 SUBR_CURSOR(ip, DRAW_CURSOR);
1203 }
1204
1205 inline static void
1206 ite_lf(struct ite_softc *ip)
1207 {
1208 ++ip->cury;
1209 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1210 {
1211 ip->cury--;
1212 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1213 ite_clrline(ip);
1214 }
1215 SUBR_CURSOR(ip, MOVE_CURSOR);
1216 clr_attr(ip, ATTR_INV);
1217 }
1218
1219 inline static void
1220 ite_crlf(struct ite_softc *ip)
1221 {
1222 ip->curx = 0;
1223 ite_lf (ip);
1224 }
1225
1226 inline static void
1227 ite_cr(struct ite_softc *ip)
1228 {
1229 if (ip->curx)
1230 {
1231 ip->curx = 0;
1232 SUBR_CURSOR(ip, MOVE_CURSOR);
1233 }
1234 }
1235
1236 inline static void
1237 ite_rlf(struct ite_softc *ip)
1238 {
1239 ip->cury--;
1240 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1241 {
1242 ip->cury++;
1243 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1244 ite_clrline(ip);
1245 }
1246 SUBR_CURSOR(ip, MOVE_CURSOR);
1247 clr_attr(ip, ATTR_INV);
1248 }
1249
1250 inline static int
1251 atoi(const char *cp)
1252 {
1253 int n;
1254
1255 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1256 n = n * 10 + *cp - '0';
1257
1258 return n;
1259 }
1260
1261 static char *
1262 index(const char *cp, char ch)
1263 {
1264 while (*cp && *cp != ch) cp++;
1265 return *cp ? (char *) cp : 0;
1266 }
1267
1268
1269
1270 inline static int
1271 ite_argnum(struct ite_softc *ip)
1272 {
1273 char ch;
1274 int n;
1275
1276 /* convert argument string into number */
1277 if (ip->ap == ip->argbuf)
1278 return 1;
1279 ch = *ip->ap;
1280 *ip->ap = 0;
1281 n = atoi (ip->argbuf);
1282 *ip->ap = ch;
1283
1284 return n;
1285 }
1286
1287 inline static int
1288 ite_zargnum(struct ite_softc *ip)
1289 {
1290 char ch;
1291 int n;
1292
1293 /* convert argument string into number */
1294 if (ip->ap == ip->argbuf)
1295 return 0;
1296 ch = *ip->ap;
1297 *ip->ap = 0;
1298 n = atoi (ip->argbuf);
1299 *ip->ap = ch;
1300
1301 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1302 }
1303
1304 void
1305 ite_putstr(const char *s, int len, dev_t dev)
1306 {
1307 struct ite_softc *ip;
1308 int i;
1309
1310 ip = getitesp(dev);
1311
1312 /* XXX avoid problems */
1313 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1314 return;
1315
1316 SUBR_CURSOR(ip, START_CURSOROPT);
1317 for (i = 0; i < len; i++)
1318 if (s[i])
1319 iteputchar(s[i], ip);
1320 SUBR_CURSOR(ip, END_CURSOROPT);
1321 }
1322
1323 static void
1324 iteprecheckwrap(struct ite_softc *ip)
1325 {
1326 if (ip->auto_wrap && ip->curx == ip->cols) {
1327 ip->curx = 0;
1328 clr_attr(ip, ATTR_INV);
1329 if (++ip->cury >= ip->bottom_margin + 1) {
1330 ip->cury = ip->bottom_margin;
1331 SUBR_CURSOR(ip, MOVE_CURSOR);
1332 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1333 ite_clrtoeol(ip);
1334 } else
1335 SUBR_CURSOR(ip, MOVE_CURSOR);
1336 }
1337 }
1338
1339 static void
1340 itecheckwrap(struct ite_softc *ip)
1341 {
1342 #if 0
1343 if (++ip->curx == ip->cols) {
1344 if (ip->auto_wrap) {
1345 ip->curx = 0;
1346 clr_attr(ip, ATTR_INV);
1347 if (++ip->cury >= ip->bottom_margin + 1) {
1348 ip->cury = ip->bottom_margin;
1349 SUBR_CURSOR(ip, MOVE_CURSOR);
1350 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1351 ite_clrtoeol(ip);
1352 return;
1353 }
1354 } else
1355 /* stay there if no autowrap.. */
1356 ip->curx--;
1357 }
1358 #else
1359 if (ip->curx < ip->cols) {
1360 ip->curx++;
1361 SUBR_CURSOR(ip, MOVE_CURSOR);
1362 }
1363 #endif
1364 }
1365
1366 void
1367 iteputchar(register int c, struct ite_softc *ip)
1368 {
1369 struct tty *kbd_tty;
1370 int n, x, y;
1371 char *cp;
1372
1373 if (kbd_ite == NULL)
1374 kbd_tty = NULL;
1375 else
1376 kbd_tty = kbd_ite->tp;
1377
1378 if (ip->escape) {
1379 switch (ip->escape) {
1380 case ESC:
1381 switch (c) {
1382 /*
1383 * first 7bit equivalents for the
1384 * 8bit control characters
1385 */
1386 case 'D':
1387 c = IND;
1388 ip->escape = 0;
1389 break;
1390 /*
1391 * and fall into the next
1392 * switch below (same for all `break')
1393 */
1394 case 'E':
1395 c = NEL;
1396 ip->escape = 0;
1397 break;
1398 case 'H':
1399 c = HTS;
1400 ip->escape = 0;
1401 break;
1402 case 'M':
1403 c = RI;
1404 ip->escape = 0;
1405 break;
1406 case 'N':
1407 c = SS2;
1408 ip->escape = 0;
1409 break;
1410 case 'O':
1411 c = SS3;
1412 ip->escape = 0;
1413 break;
1414 case 'P':
1415 c = DCS;
1416 ip->escape = 0;
1417 break;
1418 case '[':
1419 c = CSI;
1420 ip->escape = 0;
1421 break;
1422 case '\\':
1423 c = ST;
1424 ip->escape = 0;
1425 break;
1426 case ']':
1427 c = OSC;
1428 ip->escape = 0;
1429 break;
1430 case '^':
1431 c = PM;
1432 ip->escape = 0;
1433 break;
1434 case '_':
1435 c = APC;
1436 ip->escape = 0;
1437 break;
1438 /* introduces 7/8bit control */
1439 case ' ':
1440 /* can be followed by either F or G */
1441 ip->escape = ' ';
1442 break;
1443 /*
1444 * a lot of character set selections, not yet
1445 * used... 94-character sets:
1446 */
1447 case '(': /* G0 */
1448 case ')': /* G1 */
1449 ip->escape = c;
1450 return;
1451 case '*': /* G2 */
1452 case '+': /* G3 */
1453 case 'B': /* ASCII */
1454 case 'A': /* ISO latin 1 */
1455 case '<': /* user preferred suplemental */
1456 case '0': /* dec special graphics */
1457 /*
1458 * 96-character sets:
1459 */
1460 case '-': /* G1 */
1461 case '.': /* G2 */
1462 case '/': /* G3 */
1463 /*
1464 * national character sets:
1465 */
1466 case '4': /* dutch */
1467 case '5':
1468 case 'C': /* finnish */
1469 case 'R': /* french */
1470 case 'Q': /* french canadian */
1471 case 'K': /* german */
1472 case 'Y': /* italian */
1473 case '6': /* norwegian/danish */
1474 /*
1475 * note: %5 and %6 are not supported (two
1476 * chars..)
1477 */
1478 ip->escape = 0;
1479 /* just ignore for now */
1480 return;
1481 /*
1482 * locking shift modes (as you might guess, not
1483 * yet supported..)
1484 */
1485 case '`':
1486 ip->GR = ip->G1;
1487 ip->escape = 0;
1488 return;
1489 case 'n':
1490 ip->GL = ip->G2;
1491 ip->escape = 0;
1492 return;
1493 case '}':
1494 ip->GR = ip->G2;
1495 ip->escape = 0;
1496 return;
1497 case 'o':
1498 ip->GL = ip->G3;
1499 ip->escape = 0;
1500 return;
1501 case '|':
1502 ip->GR = ip->G3;
1503 ip->escape = 0;
1504 return;
1505 case '#':
1506 /* font width/height control */
1507 ip->escape = '#';
1508 return;
1509 case 'c':
1510 /* hard terminal reset .. */
1511 ite_reset(ip);
1512 SUBR_CURSOR(ip, MOVE_CURSOR);
1513 ip->escape = 0;
1514 return;
1515 case '7':
1516 ip->save_curx = ip->curx;
1517 ip->save_cury = ip->cury;
1518 ip->save_attribute = ip->attribute;
1519 ip->escape = 0;
1520 return;
1521 case '8':
1522 ip->curx = ip->save_curx;
1523 ip->cury = ip->save_cury;
1524 ip->attribute = ip->save_attribute;
1525 SUBR_CURSOR(ip, MOVE_CURSOR);
1526 ip->escape = 0;
1527 return;
1528 case '=':
1529 ip->keypad_appmode = 1;
1530 ip->escape = 0;
1531 return;
1532 case '>':
1533 ip->keypad_appmode = 0;
1534 ip->escape = 0;
1535 return;
1536 case 'Z': /* request ID */
1537 /* XXX not clean */
1538 if (ip->emul_level == EMUL_VT100)
1539 ite_sendstr("\033[?61;0c");
1540 else
1541 ite_sendstr("\033[?63;0c");
1542 ip->escape = 0;
1543 return;
1544 default:
1545 /*
1546 * default catch all for not recognized ESC
1547 * sequences
1548 */
1549 ip->escape = 0;
1550 return;
1551 }
1552 break;
1553 case '(':
1554 case ')':
1555 ip->escape = 0;
1556 return;
1557 case ' ':
1558 switch (c) {
1559 case 'F':
1560 ip->eightbit_C1 = 0;
1561 ip->escape = 0;
1562 return;
1563 case 'G':
1564 ip->eightbit_C1 = 1;
1565 ip->escape = 0;
1566 return;
1567 default:
1568 /* not supported */
1569 ip->escape = 0;
1570 return;
1571 }
1572 break;
1573 case '#':
1574 switch (c) {
1575 case '5':
1576 /* single height, single width */
1577 ip->escape = 0;
1578 return;
1579 case '6':
1580 /* double width, single height */
1581 ip->escape = 0;
1582 return;
1583 case '3':
1584 /* top half */
1585 ip->escape = 0;
1586 return;
1587 case '4':
1588 /* bottom half */
1589 ip->escape = 0;
1590 return;
1591 case '8':
1592 /* screen alignment pattern... */
1593 alignment_display(ip);
1594 ip->escape = 0;
1595 return;
1596 default:
1597 ip->escape = 0;
1598 return;
1599 }
1600 break;
1601 case CSI:
1602 /* the biggie... */
1603 switch (c) {
1604 case '0':
1605 case '1':
1606 case '2':
1607 case '3':
1608 case '4':
1609 case '5':
1610 case '6':
1611 case '7':
1612 case '8':
1613 case '9':
1614 case ';':
1615 case '\"':
1616 case '$':
1617 case '>':
1618 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1619 *ip->ap++ = c;
1620 return;
1621 case BS:
1622 /*
1623 * you wouldn't believe such perversion is
1624 * possible? it is.. BS is allowed in between
1625 * cursor sequences (at least), according to
1626 * vttest..
1627 */
1628 if (--ip->curx < 0)
1629 ip->curx = 0;
1630 else
1631 SUBR_CURSOR(ip, MOVE_CURSOR);
1632 break;
1633 case 'p':
1634 *ip->ap = 0;
1635 if (!strncmp(ip->argbuf, "61\"", 3))
1636 ip->emul_level = EMUL_VT100;
1637 else if (!strncmp(ip->argbuf, "63;1\"", 5)
1638 || !strncmp(ip->argbuf, "62;1\"", 5))
1639 ip->emul_level = EMUL_VT300_7;
1640 else
1641 ip->emul_level = EMUL_VT300_8;
1642 ip->escape = 0;
1643 return;
1644 case '?':
1645 *ip->ap = 0;
1646 ip->escape = '?';
1647 ip->ap = ip->argbuf;
1648 return;
1649 case 'c':
1650 *ip->ap = 0;
1651 if (ip->argbuf[0] == '>') {
1652 ite_sendstr("\033[>24;0;0;0c");
1653 } else
1654 switch (ite_zargnum(ip)) {
1655 case 0:
1656 /*
1657 * primary DA request, send
1658 * primary DA response
1659 */
1660 if (ip->emul_level
1661 == EMUL_VT100)
1662 ite_sendstr(
1663 "\033[?1;1c");
1664 else
1665 ite_sendstr(
1666 "\033[?63;1c");
1667 break;
1668 }
1669 ip->escape = 0;
1670 return;
1671 case 'n':
1672 switch (ite_zargnum(ip)) {
1673 case 5:
1674 /* no malfunction */
1675 ite_sendstr("\033[0n");
1676 break;
1677 case 6:
1678 /* cursor position report */
1679 sprintf(ip->argbuf, "\033[%d;%dR",
1680 ip->cury + 1, ip->curx + 1);
1681 ite_sendstr(ip->argbuf);
1682 break;
1683 }
1684 ip->escape = 0;
1685 return;
1686 case 'x':
1687 switch (ite_zargnum(ip)) {
1688 case 0:
1689 /* Fake some terminal parameters. */
1690 ite_sendstr("\033[2;1;1;112;112;1;0x");
1691 break;
1692 case 1:
1693 ite_sendstr("\033[3;1;1;112;112;1;0x");
1694 break;
1695 }
1696 ip->escape = 0;
1697 return;
1698 case 'g':
1699 switch (ite_zargnum(ip)) {
1700 case 0:
1701 if (ip->curx < ip->cols)
1702 ip->tabs[ip->curx] = 0;
1703 break;
1704 case 3:
1705 for (n = 0; n < ip->cols; n++)
1706 ip->tabs[n] = 0;
1707 break;
1708 }
1709 ip->escape = 0;
1710 return;
1711 case 'h':
1712 case 'l':
1713 n = ite_zargnum(ip);
1714 switch (n) {
1715 case 4:
1716 /* insert/replace mode */
1717 ip->imode = (c == 'h');
1718 break;
1719 case 20:
1720 ip->linefeed_newline = (c == 'h');
1721 break;
1722 }
1723 ip->escape = 0;
1724 return;
1725 case 'M':
1726 ite_dnline(ip, ite_argnum(ip));
1727 ip->escape = 0;
1728 return;
1729 case 'L':
1730 ite_inline(ip, ite_argnum(ip));
1731 ip->escape = 0;
1732 return;
1733 case 'P':
1734 ite_dnchar(ip, ite_argnum(ip));
1735 ip->escape = 0;
1736 return;
1737 case '@':
1738 ite_inchar(ip, ite_argnum(ip));
1739 ip->escape = 0;
1740 return;
1741 case 'G':
1742 /*
1743 * this one was *not* in my vt320 manual but in
1744 * a vt320 termcap entry.. who is right? It's
1745 * supposed to set the horizontal cursor
1746 * position.
1747 */
1748 *ip->ap = 0;
1749 x = atoi(ip->argbuf);
1750 if (x)
1751 x--;
1752 ip->curx = min(x, ip->cols - 1);
1753 ip->escape = 0;
1754 SUBR_CURSOR(ip, MOVE_CURSOR);
1755 clr_attr(ip, ATTR_INV);
1756 return;
1757 case 'd':
1758 /*
1759 * same thing here, this one's for setting the
1760 * absolute vertical cursor position. Not
1761 * documented...
1762 */
1763 *ip->ap = 0;
1764 y = atoi(ip->argbuf);
1765 if (y)
1766 y--;
1767 if (ip->inside_margins)
1768 y += ip->top_margin;
1769 ip->cury = min(y, ip->rows - 1);
1770 ip->escape = 0;
1771 snap_cury(ip);
1772 SUBR_CURSOR(ip, MOVE_CURSOR);
1773 clr_attr(ip, ATTR_INV);
1774 return;
1775 case 'H':
1776 case 'f':
1777 *ip->ap = 0;
1778 y = atoi(ip->argbuf);
1779 x = 0;
1780 cp = index(ip->argbuf, ';');
1781 if (cp)
1782 x = atoi(cp + 1);
1783 if (x)
1784 x--;
1785 if (y)
1786 y--;
1787 if (ip->inside_margins)
1788 y += ip->top_margin;
1789 ip->cury = min(y, ip->rows - 1);
1790 ip->curx = min(x, ip->cols - 1);
1791 ip->escape = 0;
1792 snap_cury(ip);
1793 SUBR_CURSOR(ip, MOVE_CURSOR);
1794 clr_attr(ip, ATTR_INV);
1795 return;
1796 case 'A':
1797 n = ite_argnum(ip);
1798 n = ip->cury - (n ? n : 1);
1799 if (n < 0)
1800 n = 0;
1801 if (ip->inside_margins)
1802 n = max(ip->top_margin, n);
1803 else if (n == ip->top_margin - 1)
1804 /*
1805 * allow scrolling outside region, but
1806 * don't scroll out of active region
1807 * without explicit CUP
1808 */
1809 n = ip->top_margin;
1810 ip->cury = n;
1811 ip->escape = 0;
1812 SUBR_CURSOR(ip, MOVE_CURSOR);
1813 clr_attr(ip, ATTR_INV);
1814 return;
1815 case 'B':
1816 n = ite_argnum(ip);
1817 n = ip->cury + (n ? n : 1);
1818 n = min(ip->rows - 1, n);
1819 if (ip->inside_margins)
1820 n = min(ip->bottom_margin, n);
1821 else if (n == ip->bottom_margin + 1)
1822 /*
1823 * allow scrolling outside region, but
1824 * don't scroll out of active region
1825 * without explicit CUP
1826 */
1827 n = ip->bottom_margin;
1828 ip->cury = n;
1829 ip->escape = 0;
1830 SUBR_CURSOR(ip, MOVE_CURSOR);
1831 clr_attr(ip, ATTR_INV);
1832 return;
1833 case 'C':
1834 n = ite_argnum(ip);
1835 n = n ? n : 1;
1836 ip->curx = min(ip->curx + n, ip->cols - 1);
1837 ip->escape = 0;
1838 SUBR_CURSOR(ip, MOVE_CURSOR);
1839 clr_attr(ip, ATTR_INV);
1840 return;
1841 case 'D':
1842 n = ite_argnum(ip);
1843 n = n ? n : 1;
1844 n = ip->curx - n;
1845 ip->curx = n >= 0 ? n : 0;
1846 ip->escape = 0;
1847 SUBR_CURSOR(ip, MOVE_CURSOR);
1848 clr_attr(ip, ATTR_INV);
1849 return;
1850 case 'J':
1851 *ip->ap = 0;
1852 n = ite_zargnum(ip);
1853 if (n == 0)
1854 ite_clrtoeos(ip);
1855 else if (n == 1)
1856 ite_clrtobos(ip);
1857 else if (n == 2)
1858 ite_clrscreen(ip);
1859 ip->escape = 0;
1860 return;
1861 case 'K':
1862 n = ite_zargnum(ip);
1863 if (n == 0)
1864 ite_clrtoeol(ip);
1865 else if (n == 1)
1866 ite_clrtobol(ip);
1867 else if (n == 2)
1868 ite_clrline(ip);
1869 ip->escape = 0;
1870 return;
1871 case 'X':
1872 n = ite_argnum(ip) - 1;
1873 n = min(n, ip->cols - 1 - ip->curx);
1874 for (; n >= 0; n--) {
1875 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1876 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1877 }
1878 ip->escape = 0;
1879 return;
1880 case '}':
1881 case '`':
1882 /* status line control */
1883 ip->escape = 0;
1884 return;
1885 case 'r':
1886 *ip->ap = 0;
1887 x = atoi(ip->argbuf);
1888 x = x ? x : 1;
1889 y = ip->rows;
1890 cp = index(ip->argbuf, ';');
1891 if (cp) {
1892 y = atoi(cp + 1);
1893 y = y ? y : ip->rows;
1894 }
1895 if (y - x < 2) {
1896 /*
1897 * if illegal scrolling region, reset
1898 * to defaults
1899 */
1900 x = 1;
1901 y = ip->rows;
1902 }
1903 x--;
1904 y--;
1905 ip->top_margin = min(x, ip->rows - 1);
1906 ip->bottom_margin = min(y, ip->rows - 1);
1907 if (ip->inside_margins) {
1908 ip->cury = ip->top_margin;
1909 ip->curx = 0;
1910 SUBR_CURSOR(ip, MOVE_CURSOR);
1911 }
1912 ip->escape = 0;
1913 return;
1914 case 'm':
1915 /* big attribute setter/resetter */
1916 { char *cp;
1917 *ip->ap = 0;
1918 /* kludge to make CSIm work (== CSI0m) */
1919 if (ip->ap == ip->argbuf)
1920 ip->ap++;
1921 for (cp = ip->argbuf; cp < ip->ap;) {
1922 switch (*cp) {
1923 case 0:
1924 case '0':
1925 clr_attr(ip, ATTR_ALL);
1926 cp++;
1927 break;
1928
1929 case '1':
1930 set_attr(ip, ATTR_BOLD);
1931 cp++;
1932 break;
1933
1934 case '2':
1935 switch (cp[1]) {
1936 case '2':
1937 clr_attr(ip, ATTR_BOLD);
1938 cp += 2;
1939 break;
1940
1941 case '4':
1942 clr_attr(ip, ATTR_UL);
1943 cp += 2;
1944 break;
1945
1946 case '5':
1947 clr_attr(ip, ATTR_BLINK);
1948 cp += 2;
1949 break;
1950
1951 case '7':
1952 clr_attr(ip, ATTR_INV);
1953 cp += 2;
1954 break;
1955
1956 default:
1957 cp++;
1958 break;
1959 }
1960 break;
1961
1962 case '4':
1963 set_attr(ip, ATTR_UL);
1964 cp++;
1965 break;
1966
1967 case '5':
1968 set_attr(ip, ATTR_BLINK);
1969 cp++;
1970 break;
1971
1972 case '7':
1973 set_attr(ip, ATTR_INV);
1974 cp++;
1975 break;
1976
1977 default:
1978 cp++;
1979 break;
1980 }
1981 }
1982 ip->escape = 0;
1983 return; }
1984 case 'u':
1985 /* DECRQTSR */
1986 ite_sendstr("\033P\033\\");
1987 ip->escape = 0;
1988 return;
1989 default:
1990 ip->escape = 0;
1991 return;
1992 }
1993 break;
1994 case '?': /* CSI ? */
1995 switch (c) {
1996 case '0':
1997 case '1':
1998 case '2':
1999 case '3':
2000 case '4':
2001 case '5':
2002 case '6':
2003 case '7':
2004 case '8':
2005 case '9':
2006 case ';':
2007 case '\"':
2008 case '$':
2009 /*
2010 * Don't fill the last character;
2011 * it's needed.
2012 * XXX yeah, where ??
2013 */
2014 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2015 *ip->ap++ = c;
2016 return;
2017 case 'n':
2018 *ip->ap = 0;
2019 if (ip->ap == &ip->argbuf[2]) {
2020 if (!strncmp(ip->argbuf, "15", 2))
2021 /* printer status: no printer */
2022 ite_sendstr("\033[13n");
2023
2024 else if (!strncmp(ip->argbuf, "25", 2))
2025 /* udk status */
2026 ite_sendstr("\033[20n");
2027
2028 else if (!strncmp(ip->argbuf, "26", 2))
2029 /* keyboard dialect: US */
2030 ite_sendstr("\033[27;1n");
2031 }
2032 ip->escape = 0;
2033 return;
2034 case 'h':
2035 case 'l':
2036 n = ite_zargnum(ip);
2037 switch (n) {
2038 case 1:
2039 ip->cursor_appmode = (c == 'h');
2040 break;
2041 case 3:
2042 /* 132/80 columns (132 == 'h') */
2043 break;
2044 case 4: /* smooth scroll */
2045 break;
2046 case 5:
2047 /*
2048 * light background (=='h') /dark
2049 * background(=='l')
2050 */
2051 break;
2052 case 6: /* origin mode */
2053 ip->inside_margins = (c == 'h');
2054 ip->curx = 0;
2055 ip->cury = ip->inside_margins ?
2056 ip->top_margin : 0;
2057 SUBR_CURSOR(ip, MOVE_CURSOR);
2058 break;
2059 case 7: /* auto wraparound */
2060 ip->auto_wrap = (c == 'h');
2061 break;
2062 case 8: /* keyboard repeat */
2063 ip->key_repeat = (c == 'h');
2064 break;
2065 case 20: /* newline mode */
2066 ip->linefeed_newline = (c == 'h');
2067 break;
2068 case 25: /* cursor on/off */
2069 SUBR_CURSOR(ip, (c == 'h') ?
2070 DRAW_CURSOR : ERASE_CURSOR);
2071 break;
2072 }
2073 ip->escape = 0;
2074 return;
2075 default:
2076 ip->escape = 0;
2077 return;
2078 }
2079 break;
2080 default:
2081 ip->escape = 0;
2082 return;
2083 }
2084 }
2085 switch (c) {
2086 case VT: /* VT is treated like LF */
2087 case FF: /* so is FF */
2088 case LF:
2089 /*
2090 * cr->crlf distinction is done here, on output, not on input!
2091 */
2092 if (ip->linefeed_newline)
2093 ite_crlf(ip);
2094 else
2095 ite_lf(ip);
2096 break;
2097 case CR:
2098 ite_cr(ip);
2099 break;
2100 case BS:
2101 if (--ip->curx < 0)
2102 ip->curx = 0;
2103 else
2104 SUBR_CURSOR(ip, MOVE_CURSOR);
2105 break;
2106 case HT:
2107 for (n = ip->curx + 1; n < ip->cols; n++) {
2108 if (ip->tabs[n]) {
2109 ip->curx = n;
2110 SUBR_CURSOR(ip, MOVE_CURSOR);
2111 break;
2112 }
2113 }
2114 break;
2115 case BEL:
2116 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty
2117 #ifdef DRACO
2118 && !is_draco()
2119 #endif
2120 )
2121 ite_bell();
2122 break;
2123 case SO:
2124 ip->GL = ip->G1;
2125 break;
2126 case SI:
2127 ip->GL = ip->G0;
2128 break;
2129 case ENQ:
2130 /* send answer-back message !! */
2131 break;
2132 case CAN:
2133 ip->escape = 0; /* cancel any escape sequence in progress */
2134 break;
2135 case SUB:
2136 ip->escape = 0; /* dito, but see below */
2137 /* should also display a reverse question mark!! */
2138 break;
2139 case ESC:
2140 ip->escape = ESC;
2141 break;
2142 /*
2143 * now it gets weird.. 8bit control sequences..
2144 */
2145 case IND:
2146 /* index: move cursor down, scroll */
2147 ite_lf(ip);
2148 break;
2149 case NEL:
2150 /* next line. next line, first pos. */
2151 ite_crlf(ip);
2152 break;
2153 case HTS:
2154 /* set horizontal tab */
2155 if (ip->curx < ip->cols)
2156 ip->tabs[ip->curx] = 1;
2157 break;
2158 case RI:
2159 /* reverse index */
2160 ite_rlf(ip);
2161 break;
2162 case SS2:
2163 /* go into G2 for one character */
2164 /* not yet supported */
2165 break;
2166 case SS3:
2167 /* go into G3 for one character */
2168 break;
2169 case DCS:
2170 /* device control string introducer */
2171 ip->escape = DCS;
2172 ip->ap = ip->argbuf;
2173 break;
2174 case CSI:
2175 /* control sequence introducer */
2176 ip->escape = CSI;
2177 ip->ap = ip->argbuf;
2178 break;
2179 case ST:
2180 /* string terminator */
2181 /* ignore, if not used as terminator */
2182 break;
2183 case OSC:
2184 /*
2185 * introduces OS command. Ignore everything
2186 * upto ST
2187 */
2188 ip->escape = OSC;
2189 break;
2190 case PM:
2191 /* privacy message, ignore everything upto ST */
2192 ip->escape = PM;
2193 break;
2194 case APC:
2195 /*
2196 * application program command, ignore * everything upto ST
2197 */
2198 ip->escape = APC;
2199 break;
2200 default:
2201 if ((c & 0x7f) < ' ' || c == DEL)
2202 break;
2203 if (ip->imode)
2204 ite_inchar(ip, 1);
2205 iteprecheckwrap(ip);
2206 #ifdef DO_WEIRD_ATTRIBUTES
2207 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2208 attrset(ip, ATTR_INV);
2209 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2210 } else
2211 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2212 #else
2213 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2214 #endif
2215 SUBR_CURSOR(ip, DRAW_CURSOR);
2216 itecheckwrap(ip);
2217 break;
2218 }
2219 }
2220
2221