1 /* $NetBSD: ite.c,v 1.85 2023/01/06 10:28:28 tsutsui Exp $ */
2
3 /*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * from: Utah Hdr: ite.c 1.1 90/07/09
37 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91
38 */
39
40 /*
41 * ite - bitmapped terminal.
42 * Supports VT200, a few terminal features will be unavailable until
43 * the system actually probes the device (i.e. not after consinit())
44 */
45
46 #include <sys/cdefs.h>
47 __KERNEL_RCSID(0, "$NetBSD: ite.c,v 1.85 2023/01/06 10:28:28 tsutsui Exp $");
48
49 #include "opt_ddb.h"
50
51 #include <sys/param.h>
52 #include <sys/kernel.h>
53 #include <sys/conf.h>
54 #include <sys/device.h>
55 #include <sys/kmem.h>
56 #include <sys/fcntl.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 <sys/kauth.h>
65
66 #include <machine/cpu.h>
67
68 #include <atari/atari/device.h>
69 #include <atari/dev/event_var.h>
70 #include <atari/dev/kbdmap.h>
71 #include <atari/dev/kbdvar.h>
72 #include <atari/dev/iteioctl.h>
73 #include <atari/dev/itevar.h>
74 #include <atari/dev/grfioctl.h>
75 #include <atari/dev/grfabs_reg.h>
76 #include <atari/dev/grfvar.h>
77 #include <atari/dev/viewioctl.h>
78 #include <atari/dev/viewvar.h>
79
80 #include "ioconf.h"
81
82 #define ITEUNIT(dev) (minor(dev))
83
84 #define SUBR_INIT(sc) (sc)->grf->g_iteinit(sc)
85 #define SUBR_DEINIT(sc) (sc)->grf->g_itedeinit(sc)
86 #define SUBR_PUTC(sc,c,dy,dx,m) (sc)->grf->g_iteputc(sc,c,dy,dx,m)
87 #define SUBR_CURSOR(sc,flg) (sc)->grf->g_itecursor(sc,flg)
88 #define SUBR_CLEAR(sc,sy,sx,h,w) (sc)->grf->g_iteclear(sc,sy,sx,h,w)
89 #define SUBR_SCROLL(sc,sy,sx,cnt,dir) (sc)->grf->g_itescroll(sc,sy,sx,cnt,dir)
90
91 int start_repeat_timeo = 30; /* first repeat after x s/100 */
92 int next_repeat_timeo = 10; /* next repeat after x s/100 */
93
94 /*
95 * Patchable
96 */
97 int ite_default_x = 0; /* def leftedge offset */
98 int ite_default_y = 0; /* def topedge offset */
99 int ite_default_width = 640; /* def width */
100 int ite_default_depth = 1; /* def depth */
101 int ite_default_height = 400; /* def height */
102 int ite_default_wrap = 1; /* if you want vtxxx-nam -> binpatch */
103
104 struct ite_softc con_itesoftc;
105 u_char cons_tabs[MAX_TABS];
106
107 struct ite_softc *kbd_ite;
108 int kbd_init;
109
110 static inline int atoi(const char *);
111 static inline int ite_argnum(struct ite_softc *);
112 static inline int ite_zargnum(struct ite_softc *);
113 static inline void ite_cr(struct ite_softc *);
114 static inline void ite_crlf(struct ite_softc *);
115 static inline void ite_clrline(struct ite_softc *);
116 static inline void ite_clrscreen(struct ite_softc *);
117 static inline void ite_clrtobos(struct ite_softc *);
118 static inline void ite_clrtobol(struct ite_softc *);
119 static inline void ite_clrtoeol(struct ite_softc *);
120 static inline void ite_clrtoeos(struct ite_softc *);
121 static inline void ite_dnchar(struct ite_softc *, int);
122 static inline void ite_inchar(struct ite_softc *, int);
123 static inline void ite_inline(struct ite_softc *, int);
124 static inline void ite_lf(struct ite_softc *);
125 static inline void ite_dnline(struct ite_softc *, int);
126 static inline void ite_rlf(struct ite_softc *);
127 static inline void ite_sendstr(const char *);
128 static inline void snap_cury(struct ite_softc *);
129
130 static void alignment_display(struct ite_softc *);
131 static struct ite_softc *getitesp(dev_t);
132 static void itecheckwrap(struct ite_softc *);
133 static void iteprecheckwrap(struct ite_softc *);
134 static void itestart(struct tty *);
135 static void ite_switch(int);
136 static void repeat_handler(void *);
137
138 static void iteputchar(int c, struct ite_softc *sc);
139 static void ite_putstr(const u_char * s, int len, dev_t dev);
140
141 static void iteattach(device_t, device_t, void *);
142 static int itematch(device_t, cfdata_t, void *);
143
144 /*
145 * Console specific types.
146 */
147 dev_type_cnprobe(itecnprobe);
148 dev_type_cninit(itecninit);
149 dev_type_cngetc(itecngetc);
150 dev_type_cnputc(itecnputc);
151
152 CFATTACH_DECL_NEW(ite, sizeof(struct ite_softc),
153 itematch, iteattach, NULL, NULL);
154
155 static dev_type_open(iteopen);
156 static dev_type_close(iteclose);
157 static dev_type_read(iteread);
158 static dev_type_write(itewrite);
159 static dev_type_ioctl(iteioctl);
160 static dev_type_tty(itetty);
161 static dev_type_poll(itepoll);
162
163 const struct cdevsw ite_cdevsw = {
164 .d_open = iteopen,
165 .d_close = iteclose,
166 .d_read = iteread,
167 .d_write = itewrite,
168 .d_ioctl = iteioctl,
169 .d_stop = nostop,
170 .d_tty = itetty,
171 .d_poll = itepoll,
172 .d_mmap = nommap,
173 .d_kqfilter = ttykqfilter,
174 .d_discard = nodiscard,
175 .d_flag = D_TTY
176 };
177
178 /*
179 * Keep track of the device number of the ite console. Only used in the
180 * itematch/iteattach functions.
181 */
182 static int cons_ite = -1;
183
184 static int
itematch(device_t parent,cfdata_t cf,void * aux)185 itematch(device_t parent, cfdata_t cf, void *aux)
186 {
187
188 /*
189 * Handle early console stuff. The first unit number
190 * is the console unit. All other early matches will fail.
191 */
192 if (atari_realconfig == 0) {
193 if (cons_ite >= 0)
194 return 0;
195 cons_ite = cf->cf_unit;
196 return 1;
197 }
198 return 1;
199 }
200
201 static void
iteattach(device_t parent,device_t self,void * aux)202 iteattach(device_t parent, device_t self, void *aux)
203 {
204 struct grf_softc *gsc;
205 struct ite_softc *sc;
206 int s;
207 int maj, unit;
208
209 gsc = device_private(parent);
210 sc = device_private(self);
211
212 maj = cdevsw_lookup_major(&ite_cdevsw);
213 unit = (self != NULL) ? device_unit(self) : cons_ite;
214 gsc->g_itedev = makedev(maj, unit);
215
216 if (self != NULL) {
217 s = spltty();
218 if (con_itesoftc.grf != NULL &&
219 con_itesoftc.grf->g_unit == gsc->g_unit) {
220 /*
221 * console reinit copy params over.
222 * and console always gets keyboard
223 */
224 memcpy(&sc->grf, &con_itesoftc.grf,
225 (char *)&sc[1] - (char *)&sc->grf);
226 con_itesoftc.grf = NULL;
227 kbd_ite = sc;
228 }
229 sc->grf = gsc;
230 splx(s);
231
232 iteinit(gsc->g_itedev);
233 aprint_normal(": %dx%d", sc->rows, sc->cols);
234 aprint_normal(" repeat at (%d/100)s next at (%d/100)s",
235 start_repeat_timeo, next_repeat_timeo);
236
237 if (kbd_ite == NULL)
238 kbd_ite = sc;
239 if (kbd_ite == sc)
240 aprint_normal(" has keyboard");
241 aprint_normal("\n");
242 sc->flags |= ITE_ATTACHED;
243 } else {
244 if (con_itesoftc.grf != NULL &&
245 con_itesoftc.grf->g_conpri > gsc->g_conpri)
246 return;
247 con_itesoftc.grf = gsc;
248 con_itesoftc.tabs = cons_tabs;
249 }
250 }
251
252 static struct ite_softc *
getitesp(dev_t dev)253 getitesp(dev_t dev)
254 {
255
256 if (atari_realconfig && (con_itesoftc.grf == NULL))
257 return(device_lookup_private(&ite_cd, ITEUNIT(dev)));
258
259 if (con_itesoftc.grf == NULL)
260 panic("no ite_softc for console");
261 return(&con_itesoftc);
262 }
263
264 /*
265 * cons.c entry points into ite device.
266 */
267
268 /*
269 * Return a priority in consdev->cn_pri field highest wins. This function
270 * is called before any devices have been probed.
271 */
272 void
itecnprobe(struct consdev * cd)273 itecnprobe(struct consdev *cd)
274 {
275 /*
276 * return priority of the best ite (already picked from attach)
277 * or CN_DEAD.
278 */
279 if (con_itesoftc.grf == NULL)
280 cd->cn_pri = CN_DEAD;
281 else {
282 cd->cn_pri = con_itesoftc.grf->g_conpri;
283 cd->cn_dev = con_itesoftc.grf->g_itedev;
284 }
285 }
286
287 void
itecninit(struct consdev * cd)288 itecninit(struct consdev *cd)
289 {
290 struct ite_softc *sc;
291
292 sc = getitesp(cd->cn_dev);
293 sc->flags |= ITE_ISCONS;
294 iteinit(cd->cn_dev);
295 sc->flags |= ITE_ACTIVE | ITE_ISCONS;
296 }
297
298 /*
299 * ite_cnfinish() is called in ite_init() when the device is
300 * being probed in the normal fashion, thus we can finish setting
301 * up this ite now that the system is more functional.
302 */
303 void
ite_cnfinish(struct ite_softc * sc)304 ite_cnfinish(struct ite_softc *sc)
305 {
306 static int done;
307
308 if (done)
309 return;
310 done = 1;
311 }
312
313 int
itecngetc(dev_t dev)314 itecngetc(dev_t dev)
315 {
316 int c;
317
318 do {
319 c = kbdgetcn();
320 c = ite_cnfilter(c, ITEFILT_CONSOLE);
321 } while (c == -1);
322 return (c);
323 }
324
325 void
itecnputc(dev_t dev,int c)326 itecnputc(dev_t dev, int c)
327 {
328 static int paniced;
329 struct ite_softc *sc;
330 char ch;
331
332 sc = getitesp(dev);
333 ch = c;
334
335 if (panicstr && !paniced &&
336 (sc->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
337 ite_on(dev, 3);
338 paniced = 1;
339 }
340 SUBR_CURSOR(sc, START_CURSOROPT);
341 iteputchar(ch, sc);
342 SUBR_CURSOR(sc, END_CURSOROPT);
343 }
344
345 /*
346 * standard entry points to the device.
347 */
348
349 /*
350 * iteinit() is the standard entry point for initialization of
351 * an ite device, it is also called from itecninit().
352 *
353 */
354 void
iteinit(dev_t dev)355 iteinit(dev_t dev)
356 {
357 struct ite_softc *sc;
358
359 sc = getitesp(dev);
360 if (sc->flags & ITE_INITED)
361 return;
362 if (atari_realconfig) {
363 if (sc->kbdmap && sc->kbdmap != &ascii_kbdmap)
364 kmem_free(sc->kbdmap, sizeof(*sc->kbdmap));
365 sc->kbdmap = kmem_alloc(sizeof(*sc->kbdmap), KM_SLEEP);
366 memcpy(sc->kbdmap, &ascii_kbdmap, sizeof(struct kbdmap));
367 }
368 else
369 sc->kbdmap = &ascii_kbdmap;
370
371 sc->cursorx = 0;
372 sc->cursory = 0;
373 SUBR_INIT(sc);
374 SUBR_CURSOR(sc, DRAW_CURSOR);
375 if (sc->tabs == NULL)
376 sc->tabs = kmem_alloc(MAX_TABS * sizeof(u_char), KM_SLEEP);
377 ite_reset(sc);
378 sc->flags |= ITE_INITED;
379 }
380
381 static int
iteopen(dev_t dev,int mode,int devtype,struct lwp * l)382 iteopen(dev_t dev, int mode, int devtype, struct lwp *l)
383 {
384 struct ite_softc *sc;
385 struct tty *tp;
386 int error, first, unit;
387
388 unit = ITEUNIT(dev);
389 if (unit >= ite_cd.cd_ndevs)
390 return ENXIO;
391
392 first = 0;
393 sc = getitesp(dev);
394 if (sc == NULL)
395 return ENXIO;
396 if ((sc->flags & ITE_ATTACHED) == 0)
397 return (ENXIO);
398
399 if (sc->tp == NULL) {
400 tp = sc->tp = tty_alloc();
401 tty_attach(tp);
402 }
403 else
404 tp = sc->tp;
405
406 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp))
407 return (EBUSY);
408
409 if ((sc->flags & ITE_ACTIVE) == 0) {
410 ite_on(dev, 0);
411 first = 1;
412 }
413 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) {
414 tp->t_oproc = itestart;
415 tp->t_param = ite_param;
416 tp->t_dev = dev;
417 tp->t_iflag = TTYDEF_IFLAG;
418 tp->t_oflag = TTYDEF_OFLAG;
419 tp->t_cflag = TTYDEF_CFLAG;
420 tp->t_lflag = TTYDEF_LFLAG;
421 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
422 tp->t_state = TS_CARR_ON;
423 ttychars(tp);
424 ttsetwater(tp);
425 }
426
427
428 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0);
429 if (error)
430 goto bad;
431
432 error = (*tp->t_linesw->l_open) (dev, tp);
433 if (error)
434 goto bad;
435
436 tp->t_winsize.ws_row = sc->rows;
437 tp->t_winsize.ws_col = sc->cols;
438 if (!kbd_init) {
439 kbd_init = 1;
440 kbdenable();
441 }
442 return (0);
443
444
445 bad:
446 if (first)
447 ite_off(dev, 0);
448
449 return (error);
450 }
451
452 static int
iteclose(dev_t dev,int flag,int mode,struct lwp * l)453 iteclose(dev_t dev, int flag, int mode, struct lwp *l)
454 {
455 struct tty *tp;
456
457 tp = getitesp(dev)->tp;
458
459 KDASSERT(tp);
460 (*tp->t_linesw->l_close) (tp, flag);
461 ttyclose(tp);
462 ite_off(dev, 0);
463 return (0);
464 }
465
466 static int
iteread(dev_t dev,struct uio * uio,int flag)467 iteread(dev_t dev, struct uio *uio, int flag)
468 {
469 struct tty *tp;
470
471 tp = getitesp(dev)->tp;
472
473 KDASSERT(tp);
474 return ((*tp->t_linesw->l_read) (tp, uio, flag));
475 }
476
477 static int
itewrite(dev_t dev,struct uio * uio,int flag)478 itewrite(dev_t dev, struct uio *uio, int flag)
479 {
480 struct tty *tp;
481
482 tp = getitesp(dev)->tp;
483
484 KDASSERT(tp);
485 return ((*tp->t_linesw->l_write) (tp, uio, flag));
486 }
487
488 static int
itepoll(dev_t dev,int events,struct lwp * l)489 itepoll(dev_t dev, int events, struct lwp *l)
490 {
491 struct tty *tp;
492
493 tp = getitesp(dev)->tp;
494
495 KDASSERT(tp);
496 return ((*tp->t_linesw->l_poll)(tp, events, l));
497 }
498
499 static struct tty *
itetty(dev_t dev)500 itetty(dev_t dev)
501 {
502 return(getitesp(dev)->tp);
503 }
504
505 static int
iteioctl(dev_t dev,u_long cmd,void * addr,int flag,struct lwp * l)506 iteioctl(dev_t dev, u_long cmd, void * addr, int flag, struct lwp *l)
507 {
508 struct iterepeat *irp;
509 struct ite_softc *sc;
510 struct tty *tp;
511 view_t *view;
512 struct itewinsize *is;
513 struct itebell *ib;
514 int error;
515
516 sc = getitesp(dev);
517 tp = sc->tp;
518 view = viewview(sc->grf->g_viewdev);
519
520 KDASSERT(tp);
521
522 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, l);
523 if (error != EPASSTHROUGH)
524 return (error);
525
526 error = ttioctl(tp, cmd, addr, flag, l);
527 if (error != EPASSTHROUGH)
528 return (error);
529
530 switch (cmd) {
531 case ITEIOCSKMAP:
532 if (addr == NULL)
533 return(EFAULT);
534 memcpy(sc->kbdmap, addr, sizeof(struct kbdmap));
535 return 0;
536 case ITEIOCSSKMAP:
537 if (addr == NULL)
538 return(EFAULT);
539 memcpy(&ascii_kbdmap, addr, sizeof(struct kbdmap));
540 return 0;
541 case ITEIOCGKMAP:
542 if (addr == NULL)
543 return(EFAULT);
544 memcpy(addr, sc->kbdmap, sizeof(struct kbdmap));
545 return 0;
546 case ITEIOCGREPT:
547 if (addr == NULL)
548 return(EFAULT);
549 irp = (struct iterepeat *)addr;
550 irp->start = start_repeat_timeo;
551 irp->next = next_repeat_timeo;
552 return 0;
553 case ITEIOCSREPT:
554 if (addr == NULL)
555 return(EFAULT);
556 irp = (struct iterepeat *)addr;
557 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT)
558 return(EINVAL);
559 start_repeat_timeo = irp->start;
560 next_repeat_timeo = irp->next;
561 return 0;
562 case ITEIOCGWINSZ:
563 if (addr == NULL)
564 return(EFAULT);
565 is = (struct itewinsize *)addr;
566 is->x = view->display.x;
567 is->y = view->display.y;
568 is->width = view->display.width;
569 is->height = view->display.height;
570 is->depth = view->bitmap->depth;
571 return 0;
572 case ITEIOCDSPWIN:
573 sc->grf->g_mode(sc->grf, GM_GRFON, NULL, 0, 0);
574 return 0;
575 case ITEIOCREMWIN:
576 sc->grf->g_mode(sc->grf, GM_GRFOFF, NULL, 0, 0);
577 return 0;
578 case ITEIOCSBELL:
579 if (addr == NULL)
580 return(EFAULT);
581 ib = (struct itebell *)addr;
582 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec);
583 return 0;
584 case ITEIOCGBELL:
585 if (addr == NULL)
586 return(EFAULT);
587 ib = (struct itebell *)addr;
588 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec);
589 return 0;
590 }
591 return (sc->itexx_ioctl)(sc, cmd, addr, flag, l);
592 }
593
594 void
itestart(struct tty * tp)595 itestart(struct tty *tp)
596 {
597 struct clist *rbp;
598 u_char buf[ITEBURST];
599 int s, len;
600
601 KDASSERT(tp);
602
603 s = spltty(); {
604 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
605 goto out;
606
607 tp->t_state |= TS_BUSY;
608 rbp = &tp->t_outq;
609
610 len = q_to_b(rbp, buf, ITEBURST);
611 } splx(s);
612
613 /* Here is a really good place to implement pre/jumpscroll() */
614 ite_putstr((char *)buf, len, tp->t_dev);
615
616 s = spltty(); {
617 tp->t_state &= ~TS_BUSY;
618 /* we have characters remaining. */
619 if (ttypull(tp)) {
620 tp->t_state |= TS_TIMEOUT;
621 callout_schedule(&tp->t_rstrt_ch, 1);
622 }
623 out: ;
624 } splx(s);
625 }
626
627 void
ite_on(dev_t dev,int flag)628 ite_on(dev_t dev, int flag)
629 {
630 struct ite_softc *sc;
631 sc = getitesp(dev);
632
633 /* force ite active, overriding graphics mode */
634 if (flag & 1) {
635 sc->flags |= ITE_ACTIVE;
636 sc->flags &= ~(ITE_INGRF | ITE_INITED);
637 }
638 /* leave graphics mode */
639 if (flag & 2) {
640 sc->flags &= ~ITE_INGRF;
641 if ((sc->flags & ITE_ACTIVE) == 0)
642 return;
643 }
644 sc->flags |= ITE_ACTIVE;
645 if (sc->flags & ITE_INGRF)
646 return;
647 iteinit(dev);
648 }
649
650 void
ite_off(dev_t dev,int flag)651 ite_off(dev_t dev, int flag)
652 {
653 struct ite_softc *sc;
654
655 sc = getitesp(dev);
656 if (flag & 2)
657 sc->flags |= ITE_INGRF;
658 if ((sc->flags & ITE_ACTIVE) == 0)
659 return;
660 if ((flag & 1) ||
661 (sc->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
662 SUBR_DEINIT(sc);
663 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
664 sc->flags &= ~ITE_ACTIVE;
665 }
666
667 static void
ite_switch(int unit)668 ite_switch(int unit)
669 {
670 struct ite_softc *sc;
671 extern const struct cdevsw view_cdevsw;
672
673 sc = device_lookup_private(&ite_cd, unit);
674 if (sc == NULL || (sc->flags & (ITE_ATTACHED | ITE_INITED)) == 0)
675 return;
676
677 /*
678 * If switching to an active ite, also switch the keyboard.
679 */
680 if (sc->flags & ITE_ACTIVE)
681 kbd_ite = sc;
682
683 /*
684 * Now make it visible
685 */
686 (*view_cdevsw.d_ioctl)(sc->grf->g_viewdev, VIOCDISPLAY, NULL,
687 0, NOLWP);
688
689 /*
690 * Make sure the cursor's there too....
691 */
692 SUBR_CURSOR(sc, DRAW_CURSOR);
693 }
694
695 /* XXX called after changes made in underlying grf layer. */
696 /* I want to nuke this */
697 void
ite_reinit(dev_t dev)698 ite_reinit(dev_t dev)
699 {
700 struct ite_softc *sc;
701
702 sc = getitesp(dev);
703 sc->flags &= ~ITE_INITED;
704 iteinit(dev);
705 }
706
707 int
ite_param(struct tty * tp,struct termios * t)708 ite_param(struct tty *tp, struct termios *t)
709 {
710 tp->t_ispeed = t->c_ispeed;
711 tp->t_ospeed = t->c_ospeed;
712 tp->t_cflag = t->c_cflag;
713 return (0);
714 }
715
716 void
ite_reset(struct ite_softc * sc)717 ite_reset(struct ite_softc *sc)
718 {
719 int i;
720
721 sc->curx = 0;
722 sc->cury = 0;
723 sc->attribute = ATTR_NOR;
724 sc->save_curx = 0;
725 sc->save_cury = 0;
726 sc->save_attribute = ATTR_NOR;
727 sc->ap = sc->argbuf;
728 sc->emul_level = 0;
729 sc->eightbit_C1 = 0;
730 sc->top_margin = 0;
731 sc->bottom_margin = sc->rows - 1;
732 sc->inside_margins = 0;
733 sc->linefeed_newline = 0;
734 sc->auto_wrap = ite_default_wrap;
735 sc->cursor_appmode = 0;
736 sc->keypad_appmode = 0;
737 sc->imode = 0;
738 sc->key_repeat = 1;
739 sc->G0 = CSET_ASCII;
740 sc->G1 = CSET_DECGRAPH;
741 sc->G2 = 0;
742 sc->G3 = 0;
743 sc->GL = &sc->G0;
744 sc->GR = &sc->G1;
745 memset(sc->tabs, 0, sc->cols);
746 for (i = 0; i < sc->cols; i++)
747 sc->tabs[i] = ((i & 7) == 0);
748 }
749
750 /*
751 * has to be global because of the shared filters.
752 */
753 static u_char last_dead;
754
755 /*
756 * Used in console at startup only and for DDB.
757 */
758 int
ite_cnfilter(u_int c,enum caller caller)759 ite_cnfilter(u_int c, enum caller caller)
760 {
761 struct key key;
762 struct kbdmap *kbdmap;
763 u_char code, up;
764 int s;
765
766 up = KBD_RELEASED(c);
767 c = KBD_SCANCODE(c);
768 code = 0;
769 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap;
770
771 s = spltty();
772
773 /*
774 * No special action if key released
775 */
776 if (up) {
777 splx(s);
778 return -1;
779 }
780
781 /* translate modifiers */
782 if (kbd_modifier & KBD_MOD_SHIFT) {
783 if (kbd_modifier & KBD_MOD_ALT)
784 key = kbdmap->alt_shift_keys[c];
785 else
786 key = kbdmap->shift_keys[c];
787 }
788 else if (kbd_modifier & KBD_MOD_ALT)
789 key = kbdmap->alt_keys[c];
790 else {
791 key = kbdmap->keys[c];
792 /*
793 * If CAPS and key is CAPable (no pun intended)
794 */
795 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
796 key = kbdmap->shift_keys[c];
797 }
798 code = key.code;
799
800 #ifdef notyet /* LWP: Didn't have time to look at this yet */
801 /*
802 * If string return simple console filter
803 */
804 if (key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
805 splx(s);
806 return -1;
807 }
808 /* handle dead keys */
809 if (key->mode & KBD_MODE_DEAD) {
810 /* if entered twice, send accent itself */
811 if (last_dead == (key->mode & KBD_MODE_ACCMASK))
812 last_dead = 0;
813 else {
814 last_dead = key->mode & KBD_MODE_ACCMASK;
815 splx(s);
816 return -1;
817 }
818 }
819 if (last_dead) {
820 /* can't apply dead flag to string-keys */
821 if (code >= '@' && code < 0x7f)
822 code =
823 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
824 last_dead = 0;
825 }
826 #endif
827 if (kbd_modifier & KBD_MOD_CTRL)
828 code &= 0x1f;
829
830 /*
831 * Do console mapping.
832 */
833 code = code == '\r' ? '\n' : code;
834
835 splx(s);
836 return (code);
837 }
838
839 /* And now the old stuff. */
840
841 /* these are used to implement repeating keys.. */
842 static u_int last_char;
843 static u_char tout_pending;
844
845 static callout_t repeat_ch;
846
847 /*ARGSUSED*/
848 static void
repeat_handler(void * arg)849 repeat_handler(void *arg)
850 {
851 tout_pending = 0;
852 if (last_char)
853 add_sicallback((si_farg)ite_filter, (void *)last_char,
854 (void *)ITEFILT_REPEATER);
855 }
856
857 void
ite_filter(u_int c,enum caller caller)858 ite_filter(u_int c, enum caller caller)
859 {
860 struct tty *kbd_tty;
861 struct kbdmap *kbdmap;
862 u_char code, *str, up;
863 struct key key;
864 int s, i;
865 static bool again;
866
867 if (!again) {
868 /* XXX */
869 callout_init(&repeat_ch, 0);
870 again = true;
871 }
872
873 if (kbd_ite == NULL)
874 return;
875
876 kbd_tty = kbd_ite->tp;
877 kbdmap = kbd_ite->kbdmap;
878
879 up = KBD_RELEASED(c);
880 c = KBD_SCANCODE(c);
881 code = 0;
882
883 /* have to make sure we're at spltty in here */
884 s = spltty();
885
886 /*
887 * keyboard interrupts come at priority 2, while softint
888 * generated keyboard-repeat interrupts come at level 1. So,
889 * to not allow a key-up event to get thru before a repeat for
890 * the key-down, we remove any outstanding callout requests..
891 */
892 rem_sicallback((si_farg)ite_filter);
893
894 /*
895 * Stop repeating on up event
896 */
897 if (up) {
898 if (tout_pending) {
899 callout_stop(&repeat_ch);
900 tout_pending = 0;
901 last_char = 0;
902 }
903 splx(s);
904 return;
905 }
906 else if (tout_pending && last_char != c) {
907 /*
908 * Different character, stop also
909 */
910 callout_stop(&repeat_ch);
911 tout_pending = 0;
912 last_char = 0;
913 }
914
915 /*
916 * Handle ite-switching ALT + Fx
917 */
918 if ((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) {
919 ite_switch(c - 0x3b);
920 splx(s);
921 return;
922 }
923 /*
924 * Safety button, switch back to ascii keymap.
925 */
926 if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) {
927 /* ALT + LSHIFT + F1 */
928 memcpy(kbdmap, &ascii_kbdmap, sizeof(struct kbdmap));
929 splx(s);
930 return;
931 #ifdef DDB
932 } else if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) &&
933 c == 0x43) {
934 /*
935 * ALT + LSHIFT + F9 -> Debugger!
936 */
937 Debugger();
938 splx(s);
939 return;
940 #endif
941 }
942
943 /*
944 * The rest of the code is senseless when the device is not open.
945 */
946 if (kbd_tty == NULL) {
947 splx(s);
948 return;
949 }
950
951 /*
952 * Translate modifiers
953 */
954 if (kbd_modifier & KBD_MOD_SHIFT) {
955 if (kbd_modifier & KBD_MOD_ALT)
956 key = kbdmap->alt_shift_keys[c];
957 else
958 key = kbdmap->shift_keys[c];
959 }
960 else if (kbd_modifier & KBD_MOD_ALT)
961 key = kbdmap->alt_keys[c];
962 else {
963 key = kbdmap->keys[c];
964 /*
965 * If CAPS and key is CAPable (no pun intended)
966 */
967 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
968 key = kbdmap->shift_keys[c];
969 }
970 code = key.code;
971
972 /*
973 * Arrange to repeat the keystroke. By doing this at the level
974 * of scan-codes, we can have function keys, and keys that
975 * send strings, repeat too. This also entitles an additional
976 * overhead, since we have to do the conversion each time, but
977 * I guess that's ok.
978 */
979 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
980 tout_pending = 1;
981 last_char = c;
982 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100,
983 repeat_handler, NULL);
984 } else if (!tout_pending && caller==ITEFILT_REPEATER &&
985 kbd_ite->key_repeat) {
986 tout_pending = 1;
987 last_char = c;
988 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100,
989 repeat_handler, NULL);
990 }
991 /* handle dead keys */
992 if (key.mode & KBD_MODE_DEAD) {
993 /* if entered twice, send accent itself */
994 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
995 last_dead = 0;
996 else {
997 last_dead = key.mode & KBD_MODE_ACCMASK;
998 splx(s);
999 return;
1000 }
1001 }
1002 if (last_dead) {
1003 /* can't apply dead flag to string-keys */
1004 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
1005 code < 0x7f)
1006 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
1007 last_dead = 0;
1008 }
1009
1010 /*
1011 * If not string, apply CTRL modifiers
1012 */
1013 if (!(key.mode & KBD_MODE_STRING) &&
1014 (!(key.mode & KBD_MODE_KPAD) ||
1015 (kbd_ite && !kbd_ite->keypad_appmode))) {
1016 if (kbd_modifier & KBD_MOD_CTRL)
1017 code &= 0x1f;
1018 } else if ((key.mode & KBD_MODE_KPAD) &&
1019 (kbd_ite && kbd_ite->keypad_appmode)) {
1020 static const char * const in = "0123456789-+.\r()/*";
1021 static const char * const out = "pqrstuvwxymlnMPQRS";
1022 char *cp = strchr(in, code);
1023
1024 /*
1025 * keypad-appmode sends SS3 followed by the above
1026 * translated character
1027 */
1028 kbd_tty->t_linesw->l_rint(27, kbd_tty);
1029 kbd_tty->t_linesw->l_rint('O', kbd_tty);
1030 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
1031 splx(s);
1032 return;
1033 } else {
1034 /* *NO* I don't like this.... */
1035 static u_char app_cursor[] =
1036 {
1037 3, 27, 'O', 'A',
1038 3, 27, 'O', 'B',
1039 3, 27, 'O', 'C',
1040 3, 27, 'O', 'D'};
1041
1042 str = kbdmap->strings + code;
1043 /*
1044 * if this is a cursor key, AND it has the default
1045 * keymap setting, AND we're in app-cursor mode, switch
1046 * to the above table. This is *nasty* !
1047 */
1048 if (((c == 0x48) || (c == 0x4b) ||(c == 0x4d) || (c == 0x50)) &&
1049 kbd_ite->cursor_appmode &&
1050 !memcmp(str, "\x03\x1b[", 3) &&
1051 strchr("ABCD", str[3]))
1052 str = app_cursor + 4 * (str[3] - 'A');
1053
1054 /*
1055 * using a length-byte instead of 0-termination allows
1056 * to embed \0 into strings, although this is not used
1057 * in the default keymap
1058 */
1059 for (i = *str++; i; i--)
1060 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1061 splx(s);
1062 return;
1063 }
1064 kbd_tty->t_linesw->l_rint(code, kbd_tty);
1065
1066 splx(s);
1067 return;
1068 }
1069
1070 /* helper functions, makes the code below more readable */
1071 static inline void
ite_sendstr(const char * str)1072 ite_sendstr(const char *str)
1073 {
1074 struct tty *kbd_tty;
1075
1076 kbd_tty = kbd_ite->tp;
1077 KDASSERT(kbd_tty);
1078 while (*str)
1079 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1080 }
1081
1082 static void
alignment_display(struct ite_softc * sc)1083 alignment_display(struct ite_softc *sc)
1084 {
1085 int i, j;
1086
1087 for (j = 0; j < sc->rows; j++)
1088 for (i = 0; i < sc->cols; i++)
1089 SUBR_PUTC(sc, 'E', j, i, ATTR_NOR);
1090 attrclr(sc, 0, 0, sc->rows, sc->cols);
1091 SUBR_CURSOR(sc, DRAW_CURSOR);
1092 }
1093
1094 static inline void
snap_cury(struct ite_softc * sc)1095 snap_cury(struct ite_softc *sc)
1096 {
1097
1098 if (sc->inside_margins) {
1099 if (sc->cury < sc->top_margin)
1100 sc->cury = sc->top_margin;
1101 if (sc->cury > sc->bottom_margin)
1102 sc->cury = sc->bottom_margin;
1103 }
1104 }
1105
1106 static inline void
ite_dnchar(struct ite_softc * sc,int n)1107 ite_dnchar(struct ite_softc *sc, int n)
1108 {
1109
1110 n = uimin(n, sc->cols - sc->curx);
1111 if (n < sc->cols - sc->curx) {
1112 SUBR_SCROLL(sc, sc->cury, sc->curx + n, n, SCROLL_LEFT);
1113 attrmov(sc, sc->cury, sc->curx + n, sc->cury, sc->curx,
1114 1, sc->cols - sc->curx - n);
1115 attrclr(sc, sc->cury, sc->cols - n, 1, n);
1116 }
1117 while (n-- > 0)
1118 SUBR_PUTC(sc, ' ', sc->cury, sc->cols - n - 1, ATTR_NOR);
1119 SUBR_CURSOR(sc, DRAW_CURSOR);
1120 }
1121
1122 static inline void
ite_inchar(struct ite_softc * sc,int n)1123 ite_inchar(struct ite_softc *sc, int n)
1124 {
1125
1126 n = uimin(n, sc->cols - sc->curx);
1127 if (n < sc->cols - sc->curx) {
1128 SUBR_SCROLL(sc, sc->cury, sc->curx, n, SCROLL_RIGHT);
1129 attrmov(sc, sc->cury, sc->curx, sc->cury, sc->curx + n,
1130 1, sc->cols - sc->curx - n);
1131 attrclr(sc, sc->cury, sc->curx, 1, n);
1132 }
1133 while (n--)
1134 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR);
1135 SUBR_CURSOR(sc, DRAW_CURSOR);
1136 }
1137
1138 static inline void
ite_clrtoeol(struct ite_softc * sc)1139 ite_clrtoeol(struct ite_softc *sc)
1140 {
1141 int y = sc->cury, x = sc->curx;
1142
1143 if (sc->cols - x > 0) {
1144 SUBR_CLEAR(sc, y, x, 1, sc->cols - x);
1145 attrclr(sc, y, x, 1, sc->cols - x);
1146 SUBR_CURSOR(sc, DRAW_CURSOR);
1147 }
1148 }
1149
1150 static inline void
ite_clrtobol(struct ite_softc * sc)1151 ite_clrtobol(struct ite_softc *sc)
1152 {
1153 int y = sc->cury, x = uimin(sc->curx + 1, sc->cols);
1154
1155 SUBR_CLEAR(sc, y, 0, 1, x);
1156 attrclr(sc, y, 0, 1, x);
1157 SUBR_CURSOR(sc, DRAW_CURSOR);
1158 }
1159
1160 static inline void
ite_clrline(struct ite_softc * sc)1161 ite_clrline(struct ite_softc *sc)
1162 {
1163 int y = sc->cury;
1164
1165 SUBR_CLEAR(sc, y, 0, 1, sc->cols);
1166 attrclr(sc, y, 0, 1, sc->cols);
1167 SUBR_CURSOR(sc, DRAW_CURSOR);
1168 }
1169
1170
1171
1172 static inline void
ite_clrtoeos(struct ite_softc * sc)1173 ite_clrtoeos(struct ite_softc *sc)
1174 {
1175
1176 ite_clrtoeol(sc);
1177 if (sc->cury < sc->rows - 1) {
1178 SUBR_CLEAR(sc, sc->cury + 1, 0,
1179 sc->rows - 1 - sc->cury, sc->cols);
1180 attrclr(sc, sc->cury, 0, sc->rows - sc->cury, sc->cols);
1181 SUBR_CURSOR(sc, DRAW_CURSOR);
1182 }
1183 }
1184
1185 static inline void
ite_clrtobos(struct ite_softc * sc)1186 ite_clrtobos(struct ite_softc *sc)
1187 {
1188
1189 ite_clrtobol(sc);
1190 if (sc->cury > 0) {
1191 SUBR_CLEAR(sc, 0, 0, sc->cury, sc->cols);
1192 attrclr(sc, 0, 0, sc->cury, sc->cols);
1193 SUBR_CURSOR(sc, DRAW_CURSOR);
1194 }
1195 }
1196
1197 static inline void
ite_clrscreen(struct ite_softc * sc)1198 ite_clrscreen(struct ite_softc *sc)
1199 {
1200
1201 SUBR_CLEAR(sc, 0, 0, sc->rows, sc->cols);
1202 attrclr(sc, 0, 0, sc->rows, sc->cols);
1203 SUBR_CURSOR(sc, DRAW_CURSOR);
1204 }
1205
1206
1207
1208 static inline void
ite_dnline(struct ite_softc * sc,int n)1209 ite_dnline(struct ite_softc *sc, int n)
1210 {
1211
1212 /*
1213 * interesting.. if the cursor is outside the scrolling
1214 * region, this command is simply ignored..
1215 */
1216 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin)
1217 return;
1218
1219 n = uimin(n, sc->bottom_margin + 1 - sc->cury);
1220 if (n <= sc->bottom_margin - sc->cury) {
1221 SUBR_SCROLL(sc, sc->cury + n, 0, n, SCROLL_UP);
1222 attrmov(sc, sc->cury + n, 0, sc->cury, 0,
1223 sc->bottom_margin + 1 - sc->cury - n, sc->cols);
1224 }
1225 SUBR_CLEAR(sc, sc->bottom_margin - n + 1, 0, n, sc->cols);
1226 attrclr(sc, sc->bottom_margin - n + 1, 0, n, sc->cols);
1227 SUBR_CURSOR(sc, DRAW_CURSOR);
1228 }
1229
1230 static inline void
ite_inline(struct ite_softc * sc,int n)1231 ite_inline(struct ite_softc *sc, int n)
1232 {
1233
1234 /*
1235 * interesting.. if the cursor is outside the scrolling
1236 * region, this command is simply ignored..
1237 */
1238 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin)
1239 return;
1240
1241 n = uimin(n, sc->bottom_margin + 1 - sc->cury);
1242 if (n <= sc->bottom_margin - sc->cury) {
1243 SUBR_SCROLL(sc, sc->cury, 0, n, SCROLL_DOWN);
1244 attrmov(sc, sc->cury, 0, sc->cury + n, 0,
1245 sc->bottom_margin + 1 - sc->cury - n, sc->cols);
1246 }
1247 SUBR_CLEAR(sc, sc->cury, 0, n, sc->cols);
1248 attrclr(sc, sc->cury, 0, n, sc->cols);
1249 SUBR_CURSOR(sc, DRAW_CURSOR);
1250 }
1251
1252 static inline void
ite_lf(struct ite_softc * sc)1253 ite_lf(struct ite_softc *sc)
1254 {
1255
1256 ++sc->cury;
1257 if ((sc->cury == sc->bottom_margin+1) || (sc->cury == sc->rows)) {
1258 sc->cury--;
1259 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP);
1260 ite_clrline(sc);
1261 }
1262 SUBR_CURSOR(sc, MOVE_CURSOR);
1263 clr_attr(sc, ATTR_INV);
1264
1265 /* reset character set */
1266 sc->G0 = CSET_ASCII;
1267 sc->G1 = CSET_DECGRAPH;
1268 sc->G2 = 0;
1269 sc->G3 = 0;
1270 sc->GL = &sc->G0;
1271 sc->GR = &sc->G1;
1272 }
1273
1274 static inline void
ite_crlf(struct ite_softc * sc)1275 ite_crlf(struct ite_softc *sc)
1276 {
1277
1278 sc->curx = 0;
1279 ite_lf(sc);
1280 }
1281
1282 static inline void
ite_cr(struct ite_softc * sc)1283 ite_cr(struct ite_softc *sc)
1284 {
1285
1286 if (sc->curx) {
1287 sc->curx = 0;
1288 SUBR_CURSOR(sc, MOVE_CURSOR);
1289 }
1290 }
1291
1292 static inline void
ite_rlf(struct ite_softc * sc)1293 ite_rlf(struct ite_softc *sc)
1294 {
1295
1296 sc->cury--;
1297 if ((sc->cury < 0) || (sc->cury == sc->top_margin - 1)) {
1298 sc->cury++;
1299 SUBR_SCROLL(sc, sc->top_margin, 0, 1, SCROLL_DOWN);
1300 ite_clrline(sc);
1301 }
1302 SUBR_CURSOR(sc, MOVE_CURSOR);
1303 clr_attr(sc, ATTR_INV);
1304 }
1305
1306 static inline int
atoi(const char * cp)1307 atoi(const char *cp)
1308 {
1309 int n;
1310
1311 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1312 n = n * 10 + *cp - '0';
1313
1314 return n;
1315 }
1316
1317 static inline int
ite_argnum(struct ite_softc * sc)1318 ite_argnum(struct ite_softc *sc)
1319 {
1320 char ch;
1321 int n;
1322
1323 /* convert argument string into number */
1324 if (sc->ap == sc->argbuf)
1325 return 1;
1326 ch = *sc->ap;
1327 *sc->ap = 0;
1328 n = atoi (sc->argbuf);
1329 *sc->ap = ch;
1330
1331 return n;
1332 }
1333
1334 static inline int
ite_zargnum(struct ite_softc * sc)1335 ite_zargnum(struct ite_softc *sc)
1336 {
1337 char ch;
1338 int n;
1339
1340 /* convert argument string into number */
1341 if (sc->ap == sc->argbuf)
1342 return 0;
1343 ch = *sc->ap;
1344 *sc->ap = 0;
1345 n = atoi (sc->argbuf);
1346 *sc->ap = ch;
1347
1348 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1349 }
1350
1351 static void
ite_putstr(const u_char * s,int len,dev_t dev)1352 ite_putstr(const u_char *s, int len, dev_t dev)
1353 {
1354 struct ite_softc *sc;
1355 int i;
1356
1357 sc = getitesp(dev);
1358
1359 /* XXX avoid problems */
1360 if ((sc->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1361 return;
1362
1363 SUBR_CURSOR(sc, START_CURSOROPT);
1364 for (i = 0; i < len; i++)
1365 if (s[i])
1366 iteputchar(s[i], sc);
1367 SUBR_CURSOR(sc, END_CURSOROPT);
1368 }
1369
1370
1371 static void
iteputchar(register int c,struct ite_softc * sc)1372 iteputchar(register int c, struct ite_softc *sc)
1373 {
1374 struct tty *kbd_tty;
1375 int n, x, y;
1376 char *cp;
1377
1378 if (kbd_ite == NULL)
1379 kbd_tty = NULL;
1380 else
1381 kbd_tty = kbd_ite->tp;
1382
1383 if (sc->escape)
1384 {
1385 switch (sc->escape)
1386 {
1387 case ESC:
1388 switch (c)
1389 {
1390 /* first 7bit equivalents for the 8bit control characters */
1391
1392 case 'D':
1393 c = IND;
1394 sc->escape = 0;
1395 break; /* and fall into the next switch below (same for all `break') */
1396
1397 case 'E':
1398 c = NEL;
1399 sc->escape = 0;
1400 break;
1401
1402 case 'H':
1403 c = HTS;
1404 sc->escape = 0;
1405 break;
1406
1407 case 'M':
1408 c = RI;
1409 sc->escape = 0;
1410 break;
1411
1412 case 'N':
1413 c = SS2;
1414 sc->escape = 0;
1415 break;
1416
1417 case 'O':
1418 c = SS3;
1419 sc->escape = 0;
1420 break;
1421
1422 case 'P':
1423 c = DCS;
1424 sc->escape = 0;
1425 break;
1426
1427 case '[':
1428 c = CSI;
1429 sc->escape = 0;
1430 break;
1431
1432 case '\\':
1433 c = ST;
1434 sc->escape = 0;
1435 break;
1436
1437 case ']':
1438 c = OSC;
1439 sc->escape = 0;
1440 break;
1441
1442 case '^':
1443 c = PM;
1444 sc->escape = 0;
1445 break;
1446
1447 case '_':
1448 c = APC;
1449 sc->escape = 0;
1450 break;
1451
1452
1453 /* introduces 7/8bit control */
1454 case ' ':
1455 /* can be followed by either F or G */
1456 sc->escape = ' ';
1457 break;
1458
1459
1460 /* a lot of character set selections, not yet used...
1461 94-character sets: */
1462 case '(': /* G0 */
1463 case ')': /* G1 */
1464 sc->escape = c;
1465 return;
1466
1467 case '*': /* G2 */
1468 case '+': /* G3 */
1469 case 'B': /* ASCII */
1470 case 'A': /* ISO latin 1 */
1471 case '<': /* user preferred suplemental */
1472 case '0': /* DEC special graphics */
1473
1474 /* 96-character sets: */
1475 case '-': /* G1 */
1476 case '.': /* G2 */
1477 case '/': /* G3 */
1478
1479 /* national character sets: */
1480 case '4': /* dutch */
1481 case '5':
1482 case 'C': /* finnish */
1483 case 'R': /* french */
1484 case 'Q': /* french canadian */
1485 case 'K': /* german */
1486 case 'Y': /* italian */
1487 case '6': /* norwegian/danish */
1488 /* note: %5 and %6 are not supported (two chars..) */
1489
1490 sc->escape = 0;
1491 /* just ignore for now */
1492 return;
1493
1494
1495 /* locking shift modes (as you might guess, not yet supported..) */
1496 case '`':
1497 sc->GR = &sc->G1;
1498 sc->escape = 0;
1499 return;
1500
1501 case 'n':
1502 sc->GL = &sc->G2;
1503 sc->escape = 0;
1504 return;
1505
1506 case '}':
1507 sc->GR = &sc->G2;
1508 sc->escape = 0;
1509 return;
1510
1511 case 'o':
1512 sc->GL = &sc->G3;
1513 sc->escape = 0;
1514 return;
1515
1516 case '|':
1517 sc->GR = &sc->G3;
1518 sc->escape = 0;
1519 return;
1520
1521 case '~':
1522 sc->GR = &sc->G1;
1523 sc->escape = 0;
1524 return;
1525
1526
1527 /* font width/height control */
1528 case '#':
1529 sc->escape = '#';
1530 return;
1531
1532
1533 /* hard terminal reset .. */
1534 case 'c':
1535 ite_reset (sc);
1536 SUBR_CURSOR(sc, MOVE_CURSOR);
1537 sc->escape = 0;
1538 return;
1539
1540
1541 case '7':
1542 /* save cursor */
1543 sc->save_curx = sc->curx;
1544 sc->save_cury = sc->cury;
1545 sc->save_attribute = sc->attribute;
1546 sc->sc_G0 = sc->G0;
1547 sc->sc_G1 = sc->G1;
1548 sc->sc_G2 = sc->G2;
1549 sc->sc_G3 = sc->G3;
1550 sc->sc_GL = sc->GL;
1551 sc->sc_GR = sc->GR;
1552 sc->escape = 0;
1553 return;
1554
1555 case '8':
1556 /* restore cursor */
1557 sc->curx = sc->save_curx;
1558 sc->cury = sc->save_cury;
1559 sc->attribute = sc->save_attribute;
1560 sc->G0 = sc->sc_G0;
1561 sc->G1 = sc->sc_G1;
1562 sc->G2 = sc->sc_G2;
1563 sc->G3 = sc->sc_G3;
1564 sc->GL = sc->sc_GL;
1565 sc->GR = sc->sc_GR;
1566 SUBR_CURSOR(sc, MOVE_CURSOR);
1567 sc->escape = 0;
1568 return;
1569
1570 case '=':
1571 sc->keypad_appmode = 1;
1572 sc->escape = 0;
1573 return;
1574
1575 case '>':
1576 sc->keypad_appmode = 0;
1577 sc->escape = 0;
1578 return;
1579
1580 case 'Z': /* request ID */
1581 if (sc->emul_level == EMUL_VT100)
1582 ite_sendstr ("\033[?61;0c"); /* XXX not clean */
1583 else
1584 ite_sendstr ("\033[?63;0c"); /* XXX not clean */
1585 sc->escape = 0;
1586 return;
1587
1588 /* default catch all for not recognized ESC sequences */
1589 default:
1590 sc->escape = 0;
1591 return;
1592 }
1593 break;
1594
1595
1596 case '(': /* designated G0 */
1597 switch (c) {
1598 case 'B': /* US-ASCII */
1599 sc->G0 = CSET_ASCII;
1600 sc->escape = 0;
1601 return;
1602 case '0': /* DEC special graphics */
1603 sc->G0 = CSET_DECGRAPH;
1604 sc->escape = 0;
1605 return;
1606 default:
1607 /* not supported */
1608 sc->escape = 0;
1609 return;
1610 }
1611 case ')': /* designated G1 */
1612 sc->escape = 0;
1613 return;
1614
1615
1616 case ' ':
1617 switch (c)
1618 {
1619 case 'F':
1620 sc->eightbit_C1 = 0;
1621 sc->escape = 0;
1622 return;
1623
1624 case 'G':
1625 sc->eightbit_C1 = 1;
1626 sc->escape = 0;
1627 return;
1628
1629 default:
1630 /* not supported */
1631 sc->escape = 0;
1632 return;
1633 }
1634 break;
1635
1636
1637 case '#':
1638 switch (c)
1639 {
1640 case '5':
1641 /* single height, single width */
1642 sc->escape = 0;
1643 return;
1644
1645 case '6':
1646 /* double width, single height */
1647 sc->escape = 0;
1648 return;
1649
1650 case '3':
1651 /* top half */
1652 sc->escape = 0;
1653 return;
1654
1655 case '4':
1656 /* bottom half */
1657 sc->escape = 0;
1658 return;
1659
1660 case '8':
1661 /* screen alignment pattern... */
1662 alignment_display (sc);
1663 sc->escape = 0;
1664 return;
1665
1666 default:
1667 sc->escape = 0;
1668 return;
1669 }
1670 break;
1671
1672
1673
1674 case CSI:
1675 /* the biggie... */
1676 switch (c)
1677 {
1678 case '0': case '1': case '2': case '3': case '4':
1679 case '5': case '6': case '7': case '8': case '9':
1680 case ';': case '\"': case '$': case '>':
1681 if (sc->ap < sc->argbuf + MAX_ARGSIZE)
1682 *sc->ap++ = c;
1683 return;
1684
1685 case BS:
1686 /* you wouldn't believe such perversion is possible?
1687 it is.. BS is allowed in between cursor sequences
1688 (at least), according to vttest.. */
1689 if (--sc->curx < 0)
1690 sc->curx = 0;
1691 else
1692 SUBR_CURSOR(sc, MOVE_CURSOR);
1693 break;
1694
1695 case 'p':
1696 *sc->ap = 0;
1697 if (! strncmp (sc->argbuf, "61\"", 3))
1698 sc->emul_level = EMUL_VT100;
1699 else if (! strncmp (sc->argbuf, "63;1\"", 5)
1700 || ! strncmp (sc->argbuf, "62;1\"", 5))
1701 sc->emul_level = EMUL_VT300_7;
1702 else
1703 sc->emul_level = EMUL_VT300_8;
1704 sc->escape = 0;
1705 return;
1706
1707
1708 case '?':
1709 *sc->ap = 0;
1710 sc->escape = '?';
1711 sc->ap = sc->argbuf;
1712 return;
1713
1714
1715 case 'c':
1716 *sc->ap = 0;
1717 if (sc->argbuf[0] == '>')
1718 {
1719 ite_sendstr ("\033[>24;0;0;0c");
1720 }
1721 else switch (ite_zargnum(sc))
1722 {
1723 case 0:
1724 /* primary DA request, send primary DA response */
1725 if (sc->emul_level == EMUL_VT100)
1726 ite_sendstr ("\033[?1;1c");
1727 else
1728 ite_sendstr ("\033[?63;1c");
1729 break;
1730 }
1731 sc->escape = 0;
1732 return;
1733
1734 case 'n':
1735 switch (ite_zargnum(sc))
1736 {
1737 case 5:
1738 ite_sendstr ("\033[0n"); /* no malfunction */
1739 break;
1740 case 6:
1741 /* cursor position report */
1742 snprintf (sc->argbuf, sizeof(sc->argbuf), "\033[%d;%dR",
1743 sc->cury + 1, sc->curx + 1);
1744 ite_sendstr (sc->argbuf);
1745 break;
1746 }
1747 sc->escape = 0;
1748 return;
1749
1750
1751 case 'x':
1752 switch (ite_zargnum(sc))
1753 {
1754 case 0:
1755 /* Fake some terminal parameters. */
1756 ite_sendstr ("\033[2;1;1;112;112;1;0x");
1757 break;
1758 case 1:
1759 ite_sendstr ("\033[3;1;1;112;112;1;0x");
1760 break;
1761 }
1762 sc->escape = 0;
1763 return;
1764
1765
1766 case 'g':
1767 switch (ite_zargnum(sc))
1768 {
1769 case 0:
1770 if (sc->curx < sc->cols)
1771 sc->tabs[sc->curx] = 0;
1772 break;
1773 case 3:
1774 for (n = 0; n < sc->cols; n++)
1775 sc->tabs[n] = 0;
1776 break;
1777 }
1778 sc->escape = 0;
1779 return;
1780
1781
1782 case 'h': case 'l':
1783 n = ite_zargnum (sc);
1784 switch (n)
1785 {
1786 case 4:
1787 sc->imode = (c == 'h'); /* insert/replace mode */
1788 break;
1789 case 20:
1790 sc->linefeed_newline = (c == 'h');
1791 break;
1792 }
1793 sc->escape = 0;
1794 return;
1795
1796
1797 case 'M':
1798 ite_dnline (sc, ite_argnum (sc));
1799 sc->escape = 0;
1800 return;
1801
1802
1803 case 'L':
1804 ite_inline (sc, ite_argnum (sc));
1805 sc->escape = 0;
1806 return;
1807
1808
1809 case 'P':
1810 ite_dnchar (sc, ite_argnum (sc));
1811 sc->escape = 0;
1812 return;
1813
1814
1815 case '@':
1816 ite_inchar (sc, ite_argnum (sc));
1817 sc->escape = 0;
1818 return;
1819
1820
1821 case 'G':
1822 /* this one was *not* in my vt320 manual but in
1823 a vt320 termcap entry.. who is right?
1824 It's supposed to set the horizontal cursor position. */
1825 *sc->ap = 0;
1826 x = atoi (sc->argbuf);
1827 if (x) x--;
1828 sc->curx = uimin(x, sc->cols - 1);
1829 sc->escape = 0;
1830 SUBR_CURSOR(sc, MOVE_CURSOR);
1831 clr_attr (sc, ATTR_INV);
1832 return;
1833
1834
1835 case 'd':
1836 /* same thing here, this one's for setting the absolute
1837 vertical cursor position. Not documented... */
1838 *sc->ap = 0;
1839 y = atoi (sc->argbuf);
1840 if (y) y--;
1841 if (sc->inside_margins)
1842 y += sc->top_margin;
1843 sc->cury = uimin(y, sc->rows - 1);
1844 sc->escape = 0;
1845 snap_cury(sc);
1846 SUBR_CURSOR(sc, MOVE_CURSOR);
1847 clr_attr (sc, ATTR_INV);
1848 return;
1849
1850
1851 case 'H':
1852 case 'f':
1853 *sc->ap = 0;
1854 y = atoi (sc->argbuf);
1855 x = 0;
1856 cp = strchr(sc->argbuf, ';');
1857 if (cp)
1858 x = atoi (cp + 1);
1859 if (x) x--;
1860 if (y) y--;
1861 if (sc->inside_margins)
1862 y += sc->top_margin;
1863 sc->cury = uimin(y, sc->rows - 1);
1864 sc->curx = uimin(x, sc->cols - 1);
1865 sc->escape = 0;
1866 snap_cury(sc);
1867 SUBR_CURSOR(sc, MOVE_CURSOR);
1868 clr_attr (sc, ATTR_INV);
1869 return;
1870
1871 case 'A':
1872 n = ite_argnum (sc);
1873 n = sc->cury - (n ? n : 1);
1874 if (n < 0) n = 0;
1875 if (sc->inside_margins)
1876 n = uimax(sc->top_margin, n);
1877 else if (n == sc->top_margin - 1)
1878 /* allow scrolling outside region, but don't scroll out
1879 of active region without explicit CUP */
1880 n = sc->top_margin;
1881 sc->cury = n;
1882 sc->escape = 0;
1883 SUBR_CURSOR(sc, MOVE_CURSOR);
1884 clr_attr (sc, ATTR_INV);
1885 return;
1886
1887 case 'B':
1888 n = ite_argnum (sc);
1889 n = sc->cury + (n ? n : 1);
1890 n = uimin(sc->rows - 1, n);
1891 if (sc->inside_margins)
1892 n = uimin(sc->bottom_margin, n);
1893 else if (n == sc->bottom_margin + 1)
1894 /* allow scrolling outside region, but don't scroll out
1895 of active region without explicit CUP */
1896 n = sc->bottom_margin;
1897 sc->cury = n;
1898 sc->escape = 0;
1899 SUBR_CURSOR(sc, MOVE_CURSOR);
1900 clr_attr (sc, ATTR_INV);
1901 return;
1902
1903 case 'C':
1904 n = ite_argnum (sc);
1905 n = n ? n : 1;
1906 sc->curx = uimin(sc->curx + n, sc->cols - 1);
1907 sc->escape = 0;
1908 SUBR_CURSOR(sc, MOVE_CURSOR);
1909 clr_attr (sc, ATTR_INV);
1910 return;
1911
1912 case 'D':
1913 n = ite_argnum (sc);
1914 n = n ? n : 1;
1915 n = sc->curx - n;
1916 sc->curx = n >= 0 ? n : 0;
1917 sc->escape = 0;
1918 SUBR_CURSOR(sc, MOVE_CURSOR);
1919 clr_attr (sc, ATTR_INV);
1920 return;
1921
1922
1923
1924
1925 case 'J':
1926 *sc->ap = 0;
1927 n = ite_zargnum (sc);
1928 if (n == 0)
1929 ite_clrtoeos(sc);
1930 else if (n == 1)
1931 ite_clrtobos(sc);
1932 else if (n == 2)
1933 ite_clrscreen(sc);
1934 sc->escape = 0;
1935 return;
1936
1937
1938 case 'K':
1939 n = ite_zargnum (sc);
1940 if (n == 0)
1941 ite_clrtoeol(sc);
1942 else if (n == 1)
1943 ite_clrtobol(sc);
1944 else if (n == 2)
1945 ite_clrline(sc);
1946 sc->escape = 0;
1947 return;
1948
1949
1950 case 'X':
1951 n = ite_argnum(sc) - 1;
1952 n = uimin(n, sc->cols - 1 - sc->curx);
1953 for (; n >= 0; n--)
1954 {
1955 attrclr(sc, sc->cury, sc->curx + n, 1, 1);
1956 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR);
1957 }
1958 sc->escape = 0;
1959 return;
1960
1961
1962 case '}': case '`':
1963 /* status line control */
1964 sc->escape = 0;
1965 return;
1966
1967
1968 case 'r':
1969 *sc->ap = 0;
1970 x = atoi (sc->argbuf);
1971 x = x ? x : 1;
1972 y = sc->rows;
1973 cp = strchr(sc->argbuf, ';');
1974 if (cp)
1975 {
1976 y = atoi (cp + 1);
1977 y = y ? y : sc->rows;
1978 }
1979 if (y - x < 2)
1980 {
1981 /* if illegal scrolling region, reset to defaults */
1982 x = 1;
1983 y = sc->rows;
1984 }
1985 x--;
1986 y--;
1987 sc->top_margin = uimin(x, sc->rows - 1);
1988 sc->bottom_margin = uimin(y, sc->rows - 1);
1989 if (sc->inside_margins)
1990 {
1991 sc->cury = sc->top_margin;
1992 sc->curx = 0;
1993 SUBR_CURSOR(sc, MOVE_CURSOR);
1994 }
1995 sc->escape = 0;
1996 return;
1997
1998
1999 case 'm':
2000 /* big attribute setter/resetter */
2001 {
2002 char *chp;
2003 *sc->ap = 0;
2004 /* kludge to make CSIm work (== CSI0m) */
2005 if (sc->ap == sc->argbuf)
2006 sc->ap++;
2007 for (chp = sc->argbuf; chp < sc->ap; )
2008 {
2009 switch (*chp)
2010 {
2011 case 0:
2012 case '0':
2013 clr_attr (sc, ATTR_ALL);
2014 chp++;
2015 break;
2016
2017 case '1':
2018 set_attr (sc, ATTR_BOLD);
2019 chp++;
2020 break;
2021
2022 case '2':
2023 switch (chp[1])
2024 {
2025 case '2':
2026 clr_attr (sc, ATTR_BOLD);
2027 chp += 2;
2028 break;
2029
2030 case '4':
2031 clr_attr (sc, ATTR_UL);
2032 chp += 2;
2033 break;
2034
2035 case '5':
2036 clr_attr (sc, ATTR_BLINK);
2037 chp += 2;
2038 break;
2039
2040 case '7':
2041 clr_attr (sc, ATTR_INV);
2042 chp += 2;
2043 break;
2044
2045 default:
2046 chp++;
2047 break;
2048 }
2049 break;
2050
2051 case '4':
2052 set_attr (sc, ATTR_UL);
2053 chp++;
2054 break;
2055
2056 case '5':
2057 set_attr (sc, ATTR_BLINK);
2058 chp++;
2059 break;
2060
2061 case '7':
2062 set_attr (sc, ATTR_INV);
2063 chp++;
2064 break;
2065
2066 default:
2067 chp++;
2068 break;
2069 }
2070 }
2071
2072 }
2073 sc->escape = 0;
2074 return;
2075
2076
2077 case 'u':
2078 /* DECRQTSR */
2079 ite_sendstr ("\033P\033\\");
2080 sc->escape = 0;
2081 return;
2082
2083
2084
2085 default:
2086 sc->escape = 0;
2087 return;
2088 }
2089 break;
2090
2091
2092
2093 case '?': /* CSI ? */
2094 switch (c) {
2095 case '0': case '1': case '2': case '3': case '4':
2096 case '5': case '6': case '7': case '8': case '9':
2097 case ';': case '\"': case '$':
2098 /* Don't fill the last character; it's needed. */
2099 /* XXX yeah, where ?? */
2100 if (sc->ap < sc->argbuf + MAX_ARGSIZE - 1)
2101 *sc->ap++ = c;
2102 return;
2103
2104
2105 case 'n':
2106 *sc->ap = 0;
2107 if (sc->ap == &sc->argbuf[2])
2108 {
2109 if (! strncmp (sc->argbuf, "15", 2))
2110 /* printer status: no printer */
2111 ite_sendstr ("\033[13n");
2112
2113 else if (! strncmp (sc->argbuf, "25", 2))
2114 /* udk status */
2115 ite_sendstr ("\033[20n");
2116
2117 else if (! strncmp (sc->argbuf, "26", 2))
2118 /* keyboard dialect: US */
2119 ite_sendstr ("\033[27;1n");
2120 }
2121 sc->escape = 0;
2122 return;
2123
2124
2125 case 'h': case 'l':
2126 n = ite_zargnum (sc);
2127 switch (n)
2128 {
2129 case 1:
2130 sc->cursor_appmode = (c == 'h');
2131 break;
2132
2133 case 3:
2134 /* 132/80 columns (132 == 'h') */
2135 break;
2136
2137 case 4: /* smooth scroll */
2138 break;
2139
2140 case 5:
2141 /* light background (=='h') /dark background(=='l') */
2142 break;
2143
2144 case 6: /* origin mode */
2145 sc->inside_margins = (c == 'h');
2146 sc->curx = 0;
2147 sc->cury = sc->inside_margins ? sc->top_margin : 0;
2148 SUBR_CURSOR(sc, MOVE_CURSOR);
2149 break;
2150
2151 case 7: /* auto wraparound */
2152 sc->auto_wrap = (c == 'h');
2153 break;
2154
2155 case 8: /* keyboard repeat */
2156 sc->key_repeat = (c == 'h');
2157 break;
2158
2159 case 20: /* newline mode */
2160 sc->linefeed_newline = (c == 'h');
2161 break;
2162
2163 case 25: /* cursor on/off */
2164 SUBR_CURSOR(sc, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
2165 break;
2166 }
2167 sc->escape = 0;
2168 return;
2169
2170 default:
2171 sc->escape = 0;
2172 return;
2173 }
2174 break;
2175
2176
2177 default:
2178 sc->escape = 0;
2179 return;
2180 }
2181 }
2182
2183 switch (c) {
2184
2185 case VT: /* VT is treated like LF */
2186 case FF: /* so is FF */
2187 case LF:
2188 /* cr->crlf distinction is done here, on output,
2189 not on input! */
2190 if (sc->linefeed_newline)
2191 ite_crlf (sc);
2192 else
2193 ite_lf (sc);
2194 break;
2195
2196 case CR:
2197 ite_cr (sc);
2198 break;
2199
2200 case BS:
2201 if (--sc->curx < 0)
2202 sc->curx = 0;
2203 else
2204 SUBR_CURSOR(sc, MOVE_CURSOR);
2205 break;
2206
2207 case HT:
2208 for (n = sc->curx + 1; n < sc->cols; n++) {
2209 if (sc->tabs[n]) {
2210 sc->curx = n;
2211 SUBR_CURSOR(sc, MOVE_CURSOR);
2212 break;
2213 }
2214 }
2215 break;
2216
2217 case BEL:
2218 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2219 kbdbell();
2220 break;
2221
2222 case SO:
2223 sc->GL = &sc->G1;
2224 break;
2225
2226 case SI:
2227 sc->GL = &sc->G0;
2228 break;
2229
2230 case ENQ:
2231 /* send answer-back message !! */
2232 break;
2233
2234 case CAN:
2235 sc->escape = 0; /* cancel any escape sequence in progress */
2236 break;
2237
2238 case SUB:
2239 sc->escape = 0; /* dito, but see below */
2240 /* should also display a reverse question mark!! */
2241 break;
2242
2243 case ESC:
2244 sc->escape = ESC;
2245 break;
2246
2247
2248 /* now it gets weird.. 8bit control sequences.. */
2249 case IND: /* index: move cursor down, scroll */
2250 ite_lf (sc);
2251 break;
2252
2253 case NEL: /* next line. next line, first pos. */
2254 ite_crlf (sc);
2255 break;
2256
2257 case HTS: /* set horizontal tab */
2258 if (sc->curx < sc->cols)
2259 sc->tabs[sc->curx] = 1;
2260 break;
2261
2262 case RI: /* reverse index */
2263 ite_rlf (sc);
2264 break;
2265
2266 case SS2: /* go into G2 for one character */
2267 /* not yet supported */
2268 break;
2269
2270 case SS3: /* go into G3 for one character */
2271 break;
2272
2273 case DCS: /* device control string introducer */
2274 sc->escape = DCS;
2275 sc->ap = sc->argbuf;
2276 break;
2277
2278 case CSI: /* control sequence introducer */
2279 sc->escape = CSI;
2280 sc->ap = sc->argbuf;
2281 break;
2282
2283 case ST: /* string terminator */
2284 /* ignore, if not used as terminator */
2285 break;
2286
2287 case OSC: /* introduces OS command. Ignore everything upto ST */
2288 sc->escape = OSC;
2289 break;
2290
2291 case PM: /* privacy message, ignore everything upto ST */
2292 sc->escape = PM;
2293 break;
2294
2295 case APC: /* application program command, ignore everything upto ST */
2296 sc->escape = APC;
2297 break;
2298
2299 default:
2300 if (c < ' ' || c == DEL)
2301 break;
2302 if (sc->imode)
2303 ite_inchar(sc, 1);
2304 iteprecheckwrap(sc);
2305 #ifdef DO_WEIRD_ATTRIBUTES
2306 if ((sc->attribute & ATTR_INV) || attrtest(sc, ATTR_INV)) {
2307 attrset(sc, ATTR_INV);
2308 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_INV);
2309 } else
2310 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_NOR);
2311 #else
2312 SUBR_PUTC(sc, c, sc->cury, sc->curx, sc->attribute);
2313 #endif
2314 SUBR_CURSOR(sc, DRAW_CURSOR);
2315 itecheckwrap(sc);
2316 break;
2317 }
2318 }
2319
2320 static void
iteprecheckwrap(struct ite_softc * sc)2321 iteprecheckwrap(struct ite_softc *sc)
2322 {
2323 if (sc->auto_wrap && sc->curx == sc->cols) {
2324 sc->curx = 0;
2325 clr_attr(sc, ATTR_INV);
2326 if (++sc->cury >= sc->bottom_margin + 1) {
2327 sc->cury = sc->bottom_margin;
2328 SUBR_CURSOR(sc, MOVE_CURSOR);
2329 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP);
2330 ite_clrtoeol(sc);
2331 } else
2332 SUBR_CURSOR(sc, MOVE_CURSOR);
2333 }
2334 }
2335
2336 static void
itecheckwrap(struct ite_softc * sc)2337 itecheckwrap(struct ite_softc *sc)
2338 {
2339 if (sc->curx < sc->cols) {
2340 sc->curx++;
2341 SUBR_CURSOR(sc, MOVE_CURSOR);
2342 }
2343 }
2344