ite.c revision 1.90.4.1
1 /* $NetBSD: ite.c,v 1.90.4.1 2011/03/05 20:49:21 rmind Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: Utah Hdr: ite.c 1.1 90/07/09 37 * @(#)ite.c 7.6 (Berkeley) 5/16/91 38 */ 39 40 /* 41 * ite - bitmaped terminal. 42 * Supports VT200, a few terminal features will be unavailable until 43 * the system actually probes the device (i.e. not after consinit()) 44 */ 45 46 #include "opt_ddb.h" 47 48 #include <sys/cdefs.h> 49 __KERNEL_RCSID(0, "$NetBSD: ite.c,v 1.90.4.1 2011/03/05 20:49:21 rmind Exp $"); 50 51 #include <sys/param.h> 52 #include <sys/kernel.h> 53 #include <sys/device.h> 54 #include <sys/fcntl.h> 55 #include <sys/malloc.h> 56 #include <sys/ioctl.h> 57 #include <sys/tty.h> 58 #include <sys/termios.h> 59 #include <sys/systm.h> 60 #include <sys/callout.h> 61 #include <sys/proc.h> 62 #include <dev/cons.h> 63 #include <sys/kauth.h> 64 #include <amiga/amiga/cc.h> 65 #include <amiga/amiga/color.h> /* DEBUG */ 66 #include <amiga/amiga/custom.h> /* DEBUG */ 67 #include <amiga/amiga/device.h> 68 #include <amiga/amiga/isr.h> 69 #include <amiga/dev/iteioctl.h> 70 #include <amiga/dev/itevar.h> 71 #include <amiga/dev/kbdmap.h> 72 #include <amiga/dev/grfioctl.h> 73 #include <amiga/dev/grfvar.h> 74 75 #include <machine/cpu.h> /* for is_draco() */ 76 77 #include <sys/conf.h> 78 79 #include "grfcc.h" 80 #include "ite.h" 81 82 /* 83 * XXX go ask sys/kern/tty.c:ttselect() 84 */ 85 86 #define ITEUNIT(dev) (minor(dev)) 87 88 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip) 89 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip) 90 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m) 91 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg) 92 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w) 93 #define SUBR_SCROLL(ip,sy,sx,count,dir) \ 94 (ip)->grf->g_itescroll(ip,sy,sx,count,dir) 95 96 int start_repeat_timeo = 30; /* first repeat after x s/100 */ 97 int next_repeat_timeo = 10; /* next repeat after x s/100 */ 98 99 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */ 100 101 struct ite_softc con_itesoftc; 102 u_char cons_tabs[MAX_TABS]; 103 104 struct ite_softc *kbd_ite; 105 106 /* audio bell stuff */ 107 u_int bvolume = 10; 108 u_int bpitch = 660; 109 u_int bmsec = 75; 110 111 static char *bsamplep; 112 static char sample[20] = { 113 0,39,75,103,121,127,121,103,75,39,0, 114 -39,-75,-103,-121,-127,-121,-103,-75,-39 115 }; 116 117 static callout_t repeat_ch; 118 119 void iteputchar(int c, struct ite_softc *ip); 120 void ite_putstr(const char * s, int len, dev_t dev); 121 void iteattach(struct device *, struct device *, void *); 122 int itematch(struct device *, struct cfdata *, void *); 123 static void iteprecheckwrap(struct ite_softc *); 124 static void itecheckwrap(struct ite_softc *); 125 struct ite_softc *getitesp(dev_t); 126 void init_bell(void); 127 void ite_bell(void); 128 void itecnpollc(dev_t, int); 129 static void repeat_handler(void *); 130 inline static void ite_sendstr(const char *); 131 static void alignment_display(struct ite_softc *); 132 inline static void snap_cury(struct ite_softc *); 133 inline static void ite_dnchar(struct ite_softc *, int); 134 inline static void ite_inchar(struct ite_softc *, int); 135 inline static void ite_clrtoeol(struct ite_softc *); 136 inline static void ite_clrtobol(struct ite_softc *); 137 inline static void ite_clrline(struct ite_softc *); 138 inline static void ite_clrtoeos(struct ite_softc *); 139 inline static void ite_clrtobos(struct ite_softc *); 140 inline static void ite_clrscreen(struct ite_softc *); 141 inline static void ite_dnline(struct ite_softc *, int); 142 inline static void ite_inline(struct ite_softc *, int); 143 inline static void ite_lf(struct ite_softc *); 144 inline static void ite_crlf(struct ite_softc *); 145 inline static void ite_cr(struct ite_softc *); 146 inline static void ite_rlf(struct ite_softc *); 147 inline static int atoi(const char *); 148 inline static int ite_argnum(struct ite_softc *); 149 inline static int ite_zargnum(struct ite_softc *); 150 151 CFATTACH_DECL(ite, sizeof(struct ite_softc), 152 itematch, iteattach, NULL, NULL); 153 154 extern struct cfdriver ite_cd; 155 156 dev_type_open(iteopen); 157 dev_type_close(iteclose); 158 dev_type_read(iteread); 159 dev_type_write(itewrite); 160 dev_type_ioctl(iteioctl); 161 dev_type_tty(itetty); 162 dev_type_poll(itepoll); 163 164 const struct cdevsw ite_cdevsw = { 165 iteopen, iteclose, iteread, itewrite, iteioctl, 166 nostop, itetty, itepoll, nommap, ttykqfilter, D_TTY 167 }; 168 169 int 170 itematch(struct device *pdp, struct cfdata *cfp, void *auxp) 171 { 172 struct grf_softc *gp; 173 int maj; 174 175 gp = auxp; 176 177 /* 178 * XXX 179 * normally this would be done in attach, however 180 * during early init we do not have a device pointer 181 * and thus no unit number. 182 */ 183 maj = cdevsw_lookup_major(&ite_cdevsw); 184 gp->g_itedev = makedev(maj, cfp->cf_unit); 185 return(1); 186 } 187 188 void 189 iteattach(struct device *pdp, struct device *dp, void *auxp) 190 { 191 struct grf_softc *gp; 192 struct ite_softc *ip; 193 int s; 194 195 gp = (struct grf_softc *)auxp; 196 if (dp) { 197 ip = (struct ite_softc *)dp; 198 199 s = spltty(); 200 if (con_itesoftc.grf != NULL && 201 con_itesoftc.grf->g_unit == gp->g_unit) { 202 /* 203 * console reinit copy params over. 204 * and console always gets keyboard 205 */ 206 memcpy(&ip->grf, &con_itesoftc.grf, 207 (char *)&ip[1] - (char *)&ip->grf); 208 con_itesoftc.grf = NULL; 209 kbd_ite = ip; 210 } 211 ip->grf = gp; 212 splx(s); 213 214 iteinit(gp->g_itedev); 215 printf(": rows %d cols %d", ip->rows, ip->cols); 216 printf(" repeat at (%d/100)s next at (%d/100)s", 217 start_repeat_timeo, next_repeat_timeo); 218 219 if (kbd_ite == NULL) 220 kbd_ite = ip; 221 if (kbd_ite == ip) 222 printf(" has keyboard"); 223 printf("\n"); 224 ip->flags |= ITE_ATTACHED; 225 } else { 226 if (con_itesoftc.grf != NULL && 227 con_itesoftc.grf->g_conpri > gp->g_conpri) 228 return; 229 con_itesoftc.grf = gp; 230 con_itesoftc.tabs = cons_tabs; 231 } 232 } 233 234 struct ite_softc * 235 getitesp(dev_t dev) 236 { 237 if (amiga_realconfig && con_itesoftc.grf == NULL) 238 return(device_lookup_private(&ite_cd, ITEUNIT(dev))); 239 240 if (con_itesoftc.grf == NULL) 241 panic("no ite_softc for console"); 242 return(&con_itesoftc); 243 } 244 245 /* 246 * cons.c entry points into ite device. 247 */ 248 249 /* 250 * Return a priority in consdev->cn_pri field highest wins. This function 251 * is called before any devices have been probed. 252 */ 253 void 254 itecnprobe(struct consdev *cd) 255 { 256 /* 257 * bring graphics layer up. 258 */ 259 config_console(); 260 261 /* 262 * return priority of the best ite (already picked from attach) 263 * or CN_DEAD. 264 */ 265 if (con_itesoftc.grf == NULL) 266 cd->cn_pri = CN_DEAD; 267 else { 268 cd->cn_pri = con_itesoftc.grf->g_conpri; 269 cd->cn_dev = con_itesoftc.grf->g_itedev; 270 } 271 } 272 273 /* audio bell stuff */ 274 void 275 init_bell(void) 276 { 277 if (bsamplep != NULL) 278 return; 279 bsamplep = alloc_chipmem(20); 280 if (bsamplep == NULL) 281 panic("no chipmem for ite_bell"); 282 283 memcpy(bsamplep, sample, 20); 284 } 285 286 void 287 ite_bell(void) 288 { 289 u_int clock; 290 u_int period; 291 u_int count; 292 293 clock = 3579545; /* PAL 3546895 */ 294 295 /* 296 * the number of clock ticks per sample byte must be > 124 297 * ergo bpitch must be < clock / 124*20 298 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously 299 */ 300 period = clock / (bpitch * 20); 301 count = bmsec * bpitch / 1000; 302 303 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count); 304 } 305 306 void 307 itecninit(struct consdev *cd) 308 { 309 struct ite_softc *ip; 310 311 ip = getitesp(cd->cn_dev); 312 iteinit(cd->cn_dev); 313 ip->flags |= ITE_ACTIVE | ITE_ISCONS; 314 315 #ifdef DRACO 316 if (!is_draco()) 317 #endif 318 init_bell(); 319 } 320 321 /* 322 * ite_cnfinish() is called in ite_init() when the device is 323 * being probed in the normal fasion, thus we can finish setting 324 * up this ite now that the system is more functional. 325 */ 326 void 327 ite_cnfinish(struct ite_softc *ip) 328 { 329 static int done; 330 331 if (done) 332 return; 333 done = 1; 334 } 335 336 int 337 itecngetc(dev_t dev) 338 { 339 int c; 340 341 /* XXX this should be moved */ 342 kbdenable(); 343 do { 344 c = kbdgetcn(); 345 c = ite_cnfilter(c, ITEFILT_CONSOLE); 346 } while (c == -1); 347 return (c); 348 } 349 350 void 351 itecnputc(dev_t dev, int c) 352 { 353 static int paniced; 354 struct ite_softc *ip; 355 char ch; 356 357 ip = getitesp(dev); 358 ch = c; 359 360 if (panicstr && !paniced && 361 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) { 362 ite_on(dev, 3); 363 paniced = 1; 364 } 365 iteputchar(ch, ip); 366 } 367 368 void 369 itecnpollc(dev_t dev, int on) 370 { 371 } 372 373 /* 374 * standard entry points to the device. 375 */ 376 377 /* 378 * iteinit() is the standard entry point for initialization of 379 * an ite device, it is also called from ite_cninit(). 380 * 381 */ 382 void 383 iteinit(dev_t dev) 384 { 385 struct ite_softc *ip; 386 static int kbdmap_loaded = 0; 387 388 ip = getitesp(dev); 389 if (ip->flags & ITE_INITED) 390 return; 391 if (kbdmap_loaded == 0) { 392 memcpy(&kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 393 kbdmap_loaded = 1; 394 } 395 396 callout_init(&repeat_ch, 0); 397 398 ip->cursorx = 0; 399 ip->cursory = 0; 400 if (ip->grf->g_iteinit == NULL) 401 return; /* grf has no console */ 402 SUBR_INIT(ip); 403 SUBR_CURSOR(ip, DRAW_CURSOR); 404 if (ip->tabs == NULL) 405 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK); 406 ite_reset(ip); 407 ip->flags |= ITE_INITED; 408 } 409 410 int 411 iteopen(dev_t dev, int mode, int devtype, struct lwp *l) 412 { 413 struct ite_softc *ip; 414 struct tty *tp; 415 int error, first, unit; 416 417 unit = ITEUNIT(dev); 418 first = 0; 419 420 if (unit >= ite_cd.cd_ndevs) 421 return ENXIO; 422 ip = getitesp(dev); 423 if (ip == NULL) 424 return ENXIO; 425 if ((ip->flags & ITE_ATTACHED) == 0) 426 return ENXIO; 427 428 if (ip->tp == NULL) { 429 tp = ip->tp = ttymalloc(); 430 tty_attach(tp); 431 } else 432 tp = ip->tp; 433 434 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp)) 435 return (EBUSY); 436 437 if ((ip->flags & ITE_ACTIVE) == 0) { 438 ite_on(dev, 0); 439 first = 1; 440 } 441 tp->t_oproc = itestart; 442 tp->t_param = ite_param; 443 tp->t_dev = dev; 444 if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) { 445 ttychars(tp); 446 tp->t_iflag = TTYDEF_IFLAG; 447 tp->t_oflag = TTYDEF_OFLAG; 448 tp->t_cflag = TTYDEF_CFLAG; 449 tp->t_lflag = TTYDEF_LFLAG; 450 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 451 tp->t_state = TS_CARR_ON; 452 ttsetwater(tp); 453 } 454 error = ttyopen(tp, 0, mode & O_NONBLOCK); 455 if (error) 456 goto bad; 457 458 error = tp->t_linesw->l_open(dev, tp); 459 if (error) 460 goto bad; 461 462 tp->t_winsize.ws_row = ip->rows; 463 tp->t_winsize.ws_col = ip->cols; 464 kbdenable(); 465 return (0); 466 bad: 467 if (first) 468 ite_off(dev, 0); 469 return (error); 470 } 471 472 int 473 iteclose(dev_t dev, int flag, int mode, struct lwp *l) 474 { 475 struct tty *tp; 476 477 tp = getitesp(dev)->tp; 478 479 KDASSERT(tp); 480 tp->t_linesw->l_close(tp, flag); 481 ttyclose(tp); 482 ite_off(dev, 0); 483 return (0); 484 } 485 486 int 487 iteread(dev_t dev, struct uio *uio, int flag) 488 { 489 struct tty *tp; 490 491 tp = getitesp(dev)->tp; 492 493 KDASSERT(tp); 494 return tp->t_linesw->l_read(tp, uio, flag); 495 } 496 497 int 498 itewrite(dev_t dev, struct uio *uio, int flag) 499 { 500 struct tty *tp; 501 502 tp = getitesp(dev)->tp; 503 504 KDASSERT(tp); 505 return tp->t_linesw->l_write(tp, uio, flag); 506 } 507 508 int 509 itepoll(dev_t dev, int events, struct lwp *l) 510 { 511 struct tty *tp; 512 513 tp = getitesp(dev)->tp; 514 515 KDASSERT(tp); 516 return ((*tp->t_linesw->l_poll)(tp, events, l)); 517 } 518 519 struct tty * 520 itetty(dev_t dev) 521 { 522 return (getitesp(dev)->tp); 523 } 524 525 int 526 iteioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 527 { 528 struct iterepeat *irp; 529 struct ite_softc *ip; 530 struct itebell *ib; 531 struct tty *tp; 532 int error; 533 534 ip = getitesp(dev); 535 tp = ip->tp; 536 537 KDASSERT(tp); 538 539 error = tp->t_linesw->l_ioctl(tp, cmd, addr, flag, l); 540 if (error != EPASSTHROUGH) 541 return (error); 542 error = ttioctl(tp, cmd, addr, flag, l); 543 if (error != EPASSTHROUGH) 544 return (error); 545 546 switch (cmd) { 547 case ITEIOCGBELL: 548 ib = (struct itebell *)addr; 549 ib->volume = bvolume; 550 ib->pitch = bpitch; 551 ib->msec = bmsec; 552 return (0); 553 case ITEIOCSBELL: 554 ib = (struct itebell *)addr; 555 556 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH || 557 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME) 558 return (EINVAL); 559 bvolume = ib->volume; 560 bpitch = ib->pitch; 561 bmsec = ib->msec; 562 return (0); 563 case ITEIOCSKMAP: 564 if (addr == 0) 565 return(EFAULT); 566 memcpy(&kbdmap, addr, sizeof(struct kbdmap)); 567 return(0); 568 case ITEIOCGKMAP: 569 if (addr == NULL) 570 return(EFAULT); 571 memcpy(addr, &kbdmap, sizeof(struct kbdmap)); 572 return(0); 573 case ITEIOCGREPT: 574 irp = (struct iterepeat *)addr; 575 irp->start = start_repeat_timeo; 576 irp->next = next_repeat_timeo; 577 return (0); 578 case ITEIOCSREPT: 579 irp = (struct iterepeat *)addr; 580 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT) 581 return(EINVAL); 582 start_repeat_timeo = irp->start; 583 next_repeat_timeo = irp->next; 584 return(0); 585 } 586 #if NGRFCC > 0 587 /* XXX */ 588 if (minor(dev) == 0) { 589 error = ite_grf_ioctl(ip, cmd, addr, flag, l); 590 if (error >= 0) 591 return (error); 592 } 593 #endif 594 return (EPASSTHROUGH); 595 } 596 597 void 598 itestart(struct tty *tp) 599 { 600 struct clist *rbp; 601 struct ite_softc *ip; 602 u_char buf[ITEBURST]; 603 int s, len; 604 605 ip = getitesp(tp->t_dev); 606 607 KDASSERT(tp); 608 609 s = spltty(); { 610 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 611 goto out; 612 613 tp->t_state |= TS_BUSY; 614 rbp = &tp->t_outq; 615 616 len = q_to_b(rbp, buf, ITEBURST); 617 } splx(s); 618 619 /* Here is a really good place to implement pre/jumpscroll() */ 620 ite_putstr(buf, len, tp->t_dev); 621 622 s = spltty(); { 623 tp->t_state &= ~TS_BUSY; 624 /* we have characters remaining. */ 625 if (ttypull(tp)) { 626 tp->t_state |= TS_TIMEOUT; 627 callout_schedule(&tp->t_rstrt_ch, 1); 628 } 629 } 630 out: 631 splx(s); 632 } 633 634 void 635 ite_on(dev_t dev, int flag) 636 { 637 struct ite_softc *ip; 638 int unit; 639 640 unit = ITEUNIT(dev); 641 ip = getitesp(dev); 642 643 /* force ite active, overriding graphics mode */ 644 if (flag & 1) { 645 ip->flags |= ITE_ACTIVE; 646 ip->flags &= ~(ITE_INGRF | ITE_INITED); 647 } 648 /* leave graphics mode */ 649 if (flag & 2) { 650 ip->flags &= ~ITE_INGRF; 651 if ((ip->flags & ITE_ACTIVE) == 0) 652 return; 653 } 654 ip->flags |= ITE_ACTIVE; 655 if (ip->flags & ITE_INGRF) 656 return; 657 iteinit(dev); 658 } 659 660 void 661 ite_off(dev_t dev, int flag) 662 { 663 struct ite_softc *ip; 664 665 ip = getitesp(dev); 666 if (flag & 2) 667 ip->flags |= ITE_INGRF; 668 if ((ip->flags & ITE_ACTIVE) == 0) 669 return; 670 if ((flag & 1) || 671 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 672 SUBR_DEINIT(ip); 673 /* XXX hmm grfon() I think wants this to go inactive. */ 674 if ((flag & 2) == 0) 675 ip->flags &= ~ITE_ACTIVE; 676 } 677 678 /* XXX called after changes made in underlying grf layer. */ 679 /* I want to nuke this */ 680 void 681 ite_reinit(dev_t dev) 682 { 683 struct ite_softc *ip; 684 685 ip = getitesp(dev); 686 ip->flags &= ~ITE_INITED; 687 iteinit(dev); 688 } 689 690 int 691 ite_param(struct tty *tp, struct termios *t) 692 { 693 tp->t_ispeed = t->c_ispeed; 694 tp->t_ospeed = t->c_ospeed; 695 tp->t_cflag = t->c_cflag; 696 return (0); 697 } 698 699 void 700 ite_reset(struct ite_softc *ip) 701 { 702 int i; 703 704 ip->curx = 0; 705 ip->cury = 0; 706 ip->attribute = ATTR_NOR; 707 ip->save_curx = 0; 708 ip->save_cury = 0; 709 ip->save_attribute = ATTR_NOR; 710 ip->ap = ip->argbuf; 711 ip->emul_level = 0; 712 ip->eightbit_C1 = 0; 713 ip->top_margin = 0; 714 ip->bottom_margin = ip->rows - 1; 715 ip->inside_margins = 0; 716 ip->linefeed_newline = 0; 717 ip->auto_wrap = ite_default_wrap; 718 ip->cursor_appmode = 0; 719 ip->keypad_appmode = 0; 720 ip->imode = 0; 721 ip->key_repeat = 1; 722 memset(ip->tabs, 0, ip->cols); 723 for (i = 0; i < ip->cols; i++) 724 ip->tabs[i] = ((i & 7) == 0); 725 } 726 727 /* 728 * has to be global because of the shared filters. 729 */ 730 static u_char key_mod; 731 static u_char last_dead; 732 733 /* Used in console at startup only */ 734 int 735 ite_cnfilter(u_char c, enum caller caller) 736 { 737 struct key key; 738 u_char code, up, mask; 739 int s, i; 740 741 up = c & 0x80 ? 1 : 0; 742 c &= 0x7f; 743 code = 0; 744 745 s = spltty(); 746 747 i = (int)c - KBD_LEFT_SHIFT; 748 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) { 749 mask = 1 << i; 750 if (up) 751 key_mod &= ~mask; 752 else 753 key_mod |= mask; 754 splx(s); 755 return -1; 756 } 757 758 if (up) { 759 splx(s); 760 return -1; 761 } 762 763 /* translate modifiers */ 764 if (key_mod & KBD_MOD_SHIFT) { 765 if (key_mod & KBD_MOD_ALT) 766 key = kbdmap.alt_shift_keys[c]; 767 else 768 key = kbdmap.shift_keys[c]; 769 } else if (key_mod & KBD_MOD_ALT) 770 key = kbdmap.alt_keys[c]; 771 else { 772 key = kbdmap.keys[c]; 773 /* if CAPS and key is CAPable (no pun intended) */ 774 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 775 key = kbdmap.shift_keys[c]; 776 } 777 code = key.code; 778 779 /* if string return */ 780 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 781 splx(s); 782 return -1; 783 } 784 /* handle dead keys */ 785 if (key.mode & KBD_MODE_DEAD) { 786 /* if entered twice, send accent itself */ 787 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 788 last_dead = 0; 789 else { 790 last_dead = key.mode & KBD_MODE_ACCMASK; 791 splx(s); 792 return -1; 793 } 794 } 795 if (last_dead) { 796 /* can't apply dead flag to string-keys */ 797 if (code >= '@' && code < 0x7f) 798 code = 799 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 800 last_dead = 0; 801 } 802 if (key_mod & KBD_MOD_CTRL) 803 code &= 0x1f; 804 if (key_mod & KBD_MOD_META) 805 code |= 0x80; 806 807 /* do console mapping. */ 808 code = code == '\r' ? '\n' : code; 809 810 splx(s); 811 return (code); 812 } 813 814 /* And now the old stuff. */ 815 816 /* these are used to implement repeating keys.. */ 817 static u_char last_char; 818 static u_char tout_pending; 819 820 /*ARGSUSED*/ 821 static void 822 repeat_handler(void *arg) 823 { 824 tout_pending = 0; 825 if (last_char) 826 ite_filter(last_char, ITEFILT_REPEATER); 827 } 828 829 void 830 ite_filter(u_char c, enum caller caller) 831 { 832 struct tty *kbd_tty; 833 u_char code, *str, up, mask; 834 struct key key; 835 int s, i; 836 837 if (kbd_ite == NULL || kbd_ite->tp == NULL) 838 return; 839 840 kbd_tty = kbd_ite->tp; 841 842 /* have to make sure we're at spltty in here */ 843 s = spltty(); 844 845 up = c & 0x80 ? 1 : 0; 846 c &= 0x7f; 847 code = 0; 848 849 i = (int)c - KBD_LEFT_SHIFT; 850 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) { 851 mask = 1 << i; 852 if (up) 853 key_mod &= ~mask; 854 else 855 key_mod |= mask; 856 splx(s); 857 return; 858 } 859 /* stop repeating on up event */ 860 if (up) { 861 if (tout_pending) { 862 callout_stop(&repeat_ch); 863 tout_pending = 0; 864 last_char = 0; 865 } 866 splx(s); 867 return; 868 } else if (tout_pending && last_char != c) { 869 /* different character, stop also */ 870 callout_stop(&repeat_ch); 871 tout_pending = 0; 872 last_char = 0; 873 } 874 /* Safety button, switch back to ascii keymap. */ 875 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) { 876 memcpy(&kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 877 878 splx(s); 879 return; 880 #ifdef DDB 881 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) { 882 Debugger(); 883 splx(s); 884 return; 885 #endif 886 } 887 /* translate modifiers */ 888 if (key_mod & KBD_MOD_SHIFT) { 889 if (key_mod & KBD_MOD_ALT) 890 key = kbdmap.alt_shift_keys[c]; 891 else 892 key = kbdmap.shift_keys[c]; 893 } else if (key_mod & KBD_MOD_ALT) 894 key = kbdmap.alt_keys[c]; 895 else { 896 key = kbdmap.keys[c]; 897 /* if CAPS and key is CAPable (no pun intended) */ 898 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 899 key = kbdmap.shift_keys[c]; 900 } 901 code = key.code; 902 903 /* 904 * arrange to repeat the keystroke. By doing this at the level 905 * of scan-codes, we can have function keys, and keys that 906 * send strings, repeat too. This also entitles an additional 907 * overhead, since we have to do the conversion each time, but 908 * I guess that's ok. 909 */ 910 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 911 tout_pending = 1; 912 last_char = c; 913 callout_reset(&repeat_ch, 914 start_repeat_timeo * hz / 100, repeat_handler, NULL); 915 } else if (!tout_pending && caller == ITEFILT_REPEATER && 916 kbd_ite->key_repeat) { 917 tout_pending = 1; 918 last_char = c; 919 callout_reset(&repeat_ch, 920 next_repeat_timeo * hz / 100, repeat_handler, NULL); 921 } 922 /* handle dead keys */ 923 if (key.mode & KBD_MODE_DEAD) { 924 /* if entered twice, send accent itself */ 925 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 926 last_dead = 0; 927 else { 928 last_dead = key.mode & KBD_MODE_ACCMASK; 929 splx(s); 930 return; 931 } 932 } 933 if (last_dead) { 934 /* can't apply dead flag to string-keys */ 935 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 936 code < 0x7f) 937 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 938 last_dead = 0; 939 } 940 /* if not string, apply META and CTRL modifiers */ 941 if (!(key.mode & KBD_MODE_STRING) 942 && (!(key.mode & KBD_MODE_KPAD) || 943 (kbd_ite && !kbd_ite->keypad_appmode))) { 944 if (key_mod & KBD_MOD_CTRL) 945 code &= 0x1f; 946 if (key_mod & KBD_MOD_META) 947 code |= 0x80; 948 } else if ((key.mode & KBD_MODE_KPAD) && 949 (kbd_ite && kbd_ite->keypad_appmode)) { 950 static char in[] = { 951 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */, 952 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */, 953 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */, 954 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */, 955 0x5c /* / */, 0x5d /* * */ 956 }; 957 static const char *out = "pqrstuvwxymlnMPQRS"; 958 char *cp = strchr(in, c); 959 960 /* 961 * keypad-appmode sends SS3 followed by the above 962 * translated character 963 */ 964 kbd_tty->t_linesw->l_rint(27, kbd_tty); 965 kbd_tty->t_linesw->l_rint('O', kbd_tty); 966 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty); 967 splx(s); 968 return; 969 } else { 970 /* *NO* I don't like this.... */ 971 static u_char app_cursor[] = 972 { 973 3, 27, 'O', 'A', 974 3, 27, 'O', 'B', 975 3, 27, 'O', 'C', 976 3, 27, 'O', 'D'}; 977 978 str = kbdmap.strings + code; 979 /* 980 * if this is a cursor key, AND it has the default 981 * keymap setting, AND we're in app-cursor mode, switch 982 * to the above table. This is *nasty* ! 983 */ 984 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode 985 && !memcmp(str, "\x03\x1b[", 3) && 986 strchr("ABCD", str[3])) 987 str = app_cursor + 4 * (str[3] - 'A'); 988 989 /* 990 * using a length-byte instead of 0-termination allows 991 * to embed \0 into strings, although this is not used 992 * in the default keymap 993 */ 994 for (i = *str++; i; i--) 995 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 996 splx(s); 997 return; 998 } 999 kbd_tty->t_linesw->l_rint(code, kbd_tty); 1000 1001 splx(s); 1002 return; 1003 } 1004 1005 /* helper functions, makes the code below more readable */ 1006 inline static void 1007 ite_sendstr(const char *str) 1008 { 1009 struct tty *kbd_tty; 1010 1011 kbd_tty = kbd_ite->tp; 1012 KDASSERT(kbd_tty); 1013 while (*str) 1014 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1015 } 1016 1017 static void 1018 alignment_display(struct ite_softc *ip) 1019 { 1020 int i, j; 1021 1022 for (j = 0; j < ip->rows; j++) 1023 for (i = 0; i < ip->cols; i++) 1024 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR); 1025 attrclr(ip, 0, 0, ip->rows, ip->cols); 1026 SUBR_CURSOR(ip, DRAW_CURSOR); 1027 } 1028 1029 inline static void 1030 snap_cury(struct ite_softc *ip) 1031 { 1032 if (ip->inside_margins) 1033 { 1034 if (ip->cury < ip->top_margin) 1035 ip->cury = ip->top_margin; 1036 if (ip->cury > ip->bottom_margin) 1037 ip->cury = ip->bottom_margin; 1038 } 1039 } 1040 1041 inline static void 1042 ite_dnchar(struct ite_softc *ip, int n) 1043 { 1044 n = min(n, ip->cols - ip->curx); 1045 if (n < ip->cols - ip->curx) 1046 { 1047 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT); 1048 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx, 1049 1, ip->cols - ip->curx - n); 1050 attrclr(ip, ip->cury, ip->cols - n, 1, n); 1051 } 1052 while (n-- > 0) 1053 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR); 1054 SUBR_CURSOR(ip, DRAW_CURSOR); 1055 } 1056 1057 inline static void 1058 ite_inchar(struct ite_softc *ip, int n) 1059 { 1060 n = min(n, ip->cols - ip->curx); 1061 if (n < ip->cols - ip->curx) 1062 { 1063 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT); 1064 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n, 1065 1, ip->cols - ip->curx - n); 1066 attrclr(ip, ip->cury, ip->curx, 1, n); 1067 } 1068 while (n--) 1069 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1070 SUBR_CURSOR(ip, DRAW_CURSOR); 1071 } 1072 1073 inline static void 1074 ite_clrtoeol(struct ite_softc *ip) 1075 { 1076 int y = ip->cury, x = ip->curx; 1077 if (ip->cols - x > 0) 1078 { 1079 SUBR_CLEAR(ip, y, x, 1, ip->cols - x); 1080 attrclr(ip, y, x, 1, ip->cols - x); 1081 SUBR_CURSOR(ip, DRAW_CURSOR); 1082 } 1083 } 1084 1085 inline static void 1086 ite_clrtobol(struct ite_softc *ip) 1087 { 1088 int y = ip->cury, x = min(ip->curx + 1, ip->cols); 1089 SUBR_CLEAR(ip, y, 0, 1, x); 1090 attrclr(ip, y, 0, 1, x); 1091 SUBR_CURSOR(ip, DRAW_CURSOR); 1092 } 1093 1094 inline static void 1095 ite_clrline(struct ite_softc *ip) 1096 { 1097 int y = ip->cury; 1098 SUBR_CLEAR(ip, y, 0, 1, ip->cols); 1099 attrclr(ip, y, 0, 1, ip->cols); 1100 SUBR_CURSOR(ip, DRAW_CURSOR); 1101 } 1102 1103 1104 1105 inline static void 1106 ite_clrtoeos(struct ite_softc *ip) 1107 { 1108 ite_clrtoeol(ip); 1109 if (ip->cury < ip->rows - 1) 1110 { 1111 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols); 1112 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols); 1113 SUBR_CURSOR(ip, DRAW_CURSOR); 1114 } 1115 } 1116 1117 inline static void 1118 ite_clrtobos(struct ite_softc *ip) 1119 { 1120 ite_clrtobol(ip); 1121 if (ip->cury > 0) 1122 { 1123 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols); 1124 attrclr(ip, 0, 0, ip->cury, ip->cols); 1125 SUBR_CURSOR(ip, DRAW_CURSOR); 1126 } 1127 } 1128 1129 inline static void 1130 ite_clrscreen(struct ite_softc *ip) 1131 { 1132 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols); 1133 attrclr(ip, 0, 0, ip->rows, ip->cols); 1134 SUBR_CURSOR(ip, DRAW_CURSOR); 1135 } 1136 1137 1138 1139 inline static void 1140 ite_dnline(struct ite_softc *ip, int n) 1141 { 1142 /* interesting.. if the cursor is outside the scrolling 1143 region, this command is simply ignored.. */ 1144 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1145 return; 1146 1147 n = min(n, ip->bottom_margin + 1 - ip->cury); 1148 if (n <= ip->bottom_margin - ip->cury) 1149 { 1150 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP); 1151 attrmov(ip, ip->cury + n, 0, ip->cury, 0, 1152 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1153 } 1154 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1155 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1156 SUBR_CURSOR(ip, DRAW_CURSOR); 1157 } 1158 1159 inline static void 1160 ite_inline(struct ite_softc *ip, int n) 1161 { 1162 /* interesting.. if the cursor is outside the scrolling 1163 region, this command is simply ignored.. */ 1164 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1165 return; 1166 1167 n = min(n, ip->bottom_margin + 1 - ip->cury); 1168 if (n <= ip->bottom_margin - ip->cury) 1169 { 1170 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN); 1171 attrmov(ip, ip->cury, 0, ip->cury + n, 0, 1172 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1173 } 1174 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols); 1175 attrclr(ip, ip->cury, 0, n, ip->cols); 1176 SUBR_CURSOR(ip, DRAW_CURSOR); 1177 } 1178 1179 inline static void 1180 ite_lf(struct ite_softc *ip) 1181 { 1182 ++ip->cury; 1183 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows)) 1184 { 1185 ip->cury--; 1186 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1187 ite_clrline(ip); 1188 } 1189 SUBR_CURSOR(ip, MOVE_CURSOR); 1190 clr_attr(ip, ATTR_INV); 1191 } 1192 1193 inline static void 1194 ite_crlf(struct ite_softc *ip) 1195 { 1196 ip->curx = 0; 1197 ite_lf (ip); 1198 } 1199 1200 inline static void 1201 ite_cr(struct ite_softc *ip) 1202 { 1203 if (ip->curx) 1204 { 1205 ip->curx = 0; 1206 SUBR_CURSOR(ip, MOVE_CURSOR); 1207 } 1208 } 1209 1210 inline static void 1211 ite_rlf(struct ite_softc *ip) 1212 { 1213 ip->cury--; 1214 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1)) 1215 { 1216 ip->cury++; 1217 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN); 1218 ite_clrline(ip); 1219 } 1220 SUBR_CURSOR(ip, MOVE_CURSOR); 1221 clr_attr(ip, ATTR_INV); 1222 } 1223 1224 inline static int 1225 atoi(const char *cp) 1226 { 1227 int n; 1228 1229 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1230 n = n * 10 + *cp - '0'; 1231 1232 return n; 1233 } 1234 1235 inline static int 1236 ite_argnum(struct ite_softc *ip) 1237 { 1238 char ch; 1239 int n; 1240 1241 /* convert argument string into number */ 1242 if (ip->ap == ip->argbuf) 1243 return 1; 1244 ch = *ip->ap; 1245 *ip->ap = 0; 1246 n = atoi (ip->argbuf); 1247 *ip->ap = ch; 1248 1249 return n; 1250 } 1251 1252 inline static int 1253 ite_zargnum(struct ite_softc *ip) 1254 { 1255 char ch; 1256 int n; 1257 1258 /* convert argument string into number */ 1259 if (ip->ap == ip->argbuf) 1260 return 0; 1261 ch = *ip->ap; 1262 *ip->ap = 0; 1263 n = atoi (ip->argbuf); 1264 *ip->ap = ch; 1265 1266 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1267 } 1268 1269 void 1270 ite_putstr(const char *s, int len, dev_t dev) 1271 { 1272 struct ite_softc *ip; 1273 int i; 1274 1275 ip = getitesp(dev); 1276 1277 /* XXX avoid problems */ 1278 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1279 return; 1280 1281 SUBR_CURSOR(ip, START_CURSOROPT); 1282 for (i = 0; i < len; i++) 1283 if (s[i]) 1284 iteputchar(s[i], ip); 1285 SUBR_CURSOR(ip, END_CURSOROPT); 1286 } 1287 1288 static void 1289 iteprecheckwrap(struct ite_softc *ip) 1290 { 1291 if (ip->auto_wrap && ip->curx == ip->cols) { 1292 ip->curx = 0; 1293 clr_attr(ip, ATTR_INV); 1294 if (++ip->cury >= ip->bottom_margin + 1) { 1295 ip->cury = ip->bottom_margin; 1296 SUBR_CURSOR(ip, MOVE_CURSOR); 1297 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1298 ite_clrtoeol(ip); 1299 } else 1300 SUBR_CURSOR(ip, MOVE_CURSOR); 1301 } 1302 } 1303 1304 static void 1305 itecheckwrap(struct ite_softc *ip) 1306 { 1307 #if 0 1308 if (++ip->curx == ip->cols) { 1309 if (ip->auto_wrap) { 1310 ip->curx = 0; 1311 clr_attr(ip, ATTR_INV); 1312 if (++ip->cury >= ip->bottom_margin + 1) { 1313 ip->cury = ip->bottom_margin; 1314 SUBR_CURSOR(ip, MOVE_CURSOR); 1315 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1316 ite_clrtoeol(ip); 1317 return; 1318 } 1319 } else 1320 /* stay there if no autowrap.. */ 1321 ip->curx--; 1322 } 1323 #else 1324 if (ip->curx < ip->cols) { 1325 ip->curx++; 1326 SUBR_CURSOR(ip, MOVE_CURSOR); 1327 } 1328 #endif 1329 } 1330 1331 void 1332 iteputchar(register int c, struct ite_softc *ip) 1333 { 1334 struct tty *kbd_tty; 1335 int n, x, y; 1336 char *cp; 1337 1338 if (kbd_ite == NULL) 1339 kbd_tty = NULL; 1340 else 1341 kbd_tty = kbd_ite->tp; 1342 1343 if (ip->escape) { 1344 switch (ip->escape) { 1345 case ESC: 1346 switch (c) { 1347 /* 1348 * first 7bit equivalents for the 1349 * 8bit control characters 1350 */ 1351 case 'D': 1352 c = IND; 1353 ip->escape = 0; 1354 break; 1355 /* 1356 * and fall into the next 1357 * switch below (same for all `break') 1358 */ 1359 case 'E': 1360 c = NEL; 1361 ip->escape = 0; 1362 break; 1363 case 'H': 1364 c = HTS; 1365 ip->escape = 0; 1366 break; 1367 case 'M': 1368 c = RI; 1369 ip->escape = 0; 1370 break; 1371 case 'N': 1372 c = SS2; 1373 ip->escape = 0; 1374 break; 1375 case 'O': 1376 c = SS3; 1377 ip->escape = 0; 1378 break; 1379 case 'P': 1380 c = DCS; 1381 ip->escape = 0; 1382 break; 1383 case '[': 1384 c = CSI; 1385 ip->escape = 0; 1386 break; 1387 case '\\': 1388 c = ST; 1389 ip->escape = 0; 1390 break; 1391 case ']': 1392 c = OSC; 1393 ip->escape = 0; 1394 break; 1395 case '^': 1396 c = PM; 1397 ip->escape = 0; 1398 break; 1399 case '_': 1400 c = APC; 1401 ip->escape = 0; 1402 break; 1403 /* introduces 7/8bit control */ 1404 case ' ': 1405 /* can be followed by either F or G */ 1406 ip->escape = ' '; 1407 break; 1408 /* 1409 * a lot of character set selections, not yet 1410 * used... 94-character sets: 1411 */ 1412 case '(': /* G0 */ 1413 case ')': /* G1 */ 1414 ip->escape = c; 1415 return; 1416 case '*': /* G2 */ 1417 case '+': /* G3 */ 1418 case 'B': /* ASCII */ 1419 case 'A': /* ISO latin 1 */ 1420 case '<': /* user preferred suplemental */ 1421 case '0': /* dec special graphics */ 1422 /* 1423 * 96-character sets: 1424 */ 1425 case '-': /* G1 */ 1426 case '.': /* G2 */ 1427 case '/': /* G3 */ 1428 /* 1429 * national character sets: 1430 */ 1431 case '4': /* dutch */ 1432 case '5': 1433 case 'C': /* finnish */ 1434 case 'R': /* french */ 1435 case 'Q': /* french canadian */ 1436 case 'K': /* german */ 1437 case 'Y': /* italian */ 1438 case '6': /* norwegian/danish */ 1439 /* 1440 * note: %5 and %6 are not supported (two 1441 * chars..) 1442 */ 1443 ip->escape = 0; 1444 /* just ignore for now */ 1445 return; 1446 /* 1447 * locking shift modes (as you might guess, not 1448 * yet supported..) 1449 */ 1450 case '`': 1451 ip->GR = ip->G1; 1452 ip->escape = 0; 1453 return; 1454 case 'n': 1455 ip->GL = ip->G2; 1456 ip->escape = 0; 1457 return; 1458 case '}': 1459 ip->GR = ip->G2; 1460 ip->escape = 0; 1461 return; 1462 case 'o': 1463 ip->GL = ip->G3; 1464 ip->escape = 0; 1465 return; 1466 case '|': 1467 ip->GR = ip->G3; 1468 ip->escape = 0; 1469 return; 1470 case '#': 1471 /* font width/height control */ 1472 ip->escape = '#'; 1473 return; 1474 case 'c': 1475 /* hard terminal reset .. */ 1476 ite_reset(ip); 1477 SUBR_CURSOR(ip, MOVE_CURSOR); 1478 ip->escape = 0; 1479 return; 1480 case '7': 1481 ip->save_curx = ip->curx; 1482 ip->save_cury = ip->cury; 1483 ip->save_attribute = ip->attribute; 1484 ip->escape = 0; 1485 return; 1486 case '8': 1487 ip->curx = ip->save_curx; 1488 ip->cury = ip->save_cury; 1489 ip->attribute = ip->save_attribute; 1490 SUBR_CURSOR(ip, MOVE_CURSOR); 1491 ip->escape = 0; 1492 return; 1493 case '=': 1494 ip->keypad_appmode = 1; 1495 ip->escape = 0; 1496 return; 1497 case '>': 1498 ip->keypad_appmode = 0; 1499 ip->escape = 0; 1500 return; 1501 case 'Z': /* request ID */ 1502 /* XXX not clean */ 1503 if (ip->emul_level == EMUL_VT100) 1504 ite_sendstr("\033[?61;0c"); 1505 else 1506 ite_sendstr("\033[?63;0c"); 1507 ip->escape = 0; 1508 return; 1509 default: 1510 /* 1511 * default catch all for not recognized ESC 1512 * sequences 1513 */ 1514 ip->escape = 0; 1515 return; 1516 } 1517 break; 1518 case '(': 1519 case ')': 1520 ip->escape = 0; 1521 return; 1522 case ' ': 1523 switch (c) { 1524 case 'F': 1525 ip->eightbit_C1 = 0; 1526 ip->escape = 0; 1527 return; 1528 case 'G': 1529 ip->eightbit_C1 = 1; 1530 ip->escape = 0; 1531 return; 1532 default: 1533 /* not supported */ 1534 ip->escape = 0; 1535 return; 1536 } 1537 break; 1538 case '#': 1539 switch (c) { 1540 case '5': 1541 /* single height, single width */ 1542 ip->escape = 0; 1543 return; 1544 case '6': 1545 /* double width, single height */ 1546 ip->escape = 0; 1547 return; 1548 case '3': 1549 /* top half */ 1550 ip->escape = 0; 1551 return; 1552 case '4': 1553 /* bottom half */ 1554 ip->escape = 0; 1555 return; 1556 case '8': 1557 /* screen alignment pattern... */ 1558 alignment_display(ip); 1559 ip->escape = 0; 1560 return; 1561 default: 1562 ip->escape = 0; 1563 return; 1564 } 1565 break; 1566 case CSI: 1567 /* the biggie... */ 1568 switch (c) { 1569 case '0': 1570 case '1': 1571 case '2': 1572 case '3': 1573 case '4': 1574 case '5': 1575 case '6': 1576 case '7': 1577 case '8': 1578 case '9': 1579 case ';': 1580 case '\"': 1581 case '$': 1582 case '>': 1583 if (ip->ap < ip->argbuf + MAX_ARGSIZE) 1584 *ip->ap++ = c; 1585 return; 1586 case BS: 1587 /* 1588 * you wouldn't believe such perversion is 1589 * possible? it is.. BS is allowed in between 1590 * cursor sequences (at least), according to 1591 * vttest.. 1592 */ 1593 if (--ip->curx < 0) 1594 ip->curx = 0; 1595 else 1596 SUBR_CURSOR(ip, MOVE_CURSOR); 1597 break; 1598 case 'p': 1599 *ip->ap = 0; 1600 if (!strncmp(ip->argbuf, "61\"", 3)) 1601 ip->emul_level = EMUL_VT100; 1602 else if (!strncmp(ip->argbuf, "63;1\"", 5) 1603 || !strncmp(ip->argbuf, "62;1\"", 5)) 1604 ip->emul_level = EMUL_VT300_7; 1605 else 1606 ip->emul_level = EMUL_VT300_8; 1607 ip->escape = 0; 1608 return; 1609 case '?': 1610 *ip->ap = 0; 1611 ip->escape = '?'; 1612 ip->ap = ip->argbuf; 1613 return; 1614 case 'c': 1615 *ip->ap = 0; 1616 if (ip->argbuf[0] == '>') { 1617 ite_sendstr("\033[>24;0;0;0c"); 1618 } else 1619 switch (ite_zargnum(ip)) { 1620 case 0: 1621 /* 1622 * primary DA request, send 1623 * primary DA response 1624 */ 1625 if (ip->emul_level 1626 == EMUL_VT100) 1627 ite_sendstr( 1628 "\033[?1;1c"); 1629 else 1630 ite_sendstr( 1631 "\033[?63;1c"); 1632 break; 1633 } 1634 ip->escape = 0; 1635 return; 1636 case 'n': 1637 switch (ite_zargnum(ip)) { 1638 case 5: 1639 /* no malfunction */ 1640 ite_sendstr("\033[0n"); 1641 break; 1642 case 6: 1643 /* cursor position report */ 1644 sprintf(ip->argbuf, "\033[%d;%dR", 1645 ip->cury + 1, ip->curx + 1); 1646 ite_sendstr(ip->argbuf); 1647 break; 1648 } 1649 ip->escape = 0; 1650 return; 1651 case 'x': 1652 switch (ite_zargnum(ip)) { 1653 case 0: 1654 /* Fake some terminal parameters. */ 1655 ite_sendstr("\033[2;1;1;112;112;1;0x"); 1656 break; 1657 case 1: 1658 ite_sendstr("\033[3;1;1;112;112;1;0x"); 1659 break; 1660 } 1661 ip->escape = 0; 1662 return; 1663 case 'g': 1664 switch (ite_zargnum(ip)) { 1665 case 0: 1666 if (ip->curx < ip->cols) 1667 ip->tabs[ip->curx] = 0; 1668 break; 1669 case 3: 1670 for (n = 0; n < ip->cols; n++) 1671 ip->tabs[n] = 0; 1672 break; 1673 } 1674 ip->escape = 0; 1675 return; 1676 case 'h': 1677 case 'l': 1678 n = ite_zargnum(ip); 1679 switch (n) { 1680 case 4: 1681 /* insert/replace mode */ 1682 ip->imode = (c == 'h'); 1683 break; 1684 case 20: 1685 ip->linefeed_newline = (c == 'h'); 1686 break; 1687 } 1688 ip->escape = 0; 1689 return; 1690 case 'M': 1691 ite_dnline(ip, ite_argnum(ip)); 1692 ip->escape = 0; 1693 return; 1694 case 'L': 1695 ite_inline(ip, ite_argnum(ip)); 1696 ip->escape = 0; 1697 return; 1698 case 'P': 1699 ite_dnchar(ip, ite_argnum(ip)); 1700 ip->escape = 0; 1701 return; 1702 case '@': 1703 ite_inchar(ip, ite_argnum(ip)); 1704 ip->escape = 0; 1705 return; 1706 case 'G': 1707 /* 1708 * this one was *not* in my vt320 manual but in 1709 * a vt320 termcap entry.. who is right? It's 1710 * supposed to set the horizontal cursor 1711 * position. 1712 */ 1713 *ip->ap = 0; 1714 x = atoi(ip->argbuf); 1715 if (x) 1716 x--; 1717 ip->curx = min(x, ip->cols - 1); 1718 ip->escape = 0; 1719 SUBR_CURSOR(ip, MOVE_CURSOR); 1720 clr_attr(ip, ATTR_INV); 1721 return; 1722 case 'd': 1723 /* 1724 * same thing here, this one's for setting the 1725 * absolute vertical cursor position. Not 1726 * documented... 1727 */ 1728 *ip->ap = 0; 1729 y = atoi(ip->argbuf); 1730 if (y) 1731 y--; 1732 if (ip->inside_margins) 1733 y += ip->top_margin; 1734 ip->cury = min(y, ip->rows - 1); 1735 ip->escape = 0; 1736 snap_cury(ip); 1737 SUBR_CURSOR(ip, MOVE_CURSOR); 1738 clr_attr(ip, ATTR_INV); 1739 return; 1740 case 'H': 1741 case 'f': 1742 *ip->ap = 0; 1743 y = atoi(ip->argbuf); 1744 x = 0; 1745 cp = strchr(ip->argbuf, ';'); 1746 if (cp) 1747 x = atoi(cp + 1); 1748 if (x) 1749 x--; 1750 if (y) 1751 y--; 1752 if (ip->inside_margins) 1753 y += ip->top_margin; 1754 ip->cury = min(y, ip->rows - 1); 1755 ip->curx = min(x, ip->cols - 1); 1756 ip->escape = 0; 1757 snap_cury(ip); 1758 SUBR_CURSOR(ip, MOVE_CURSOR); 1759 clr_attr(ip, ATTR_INV); 1760 return; 1761 case 'A': 1762 n = ite_argnum(ip); 1763 n = ip->cury - (n ? n : 1); 1764 if (n < 0) 1765 n = 0; 1766 if (ip->inside_margins) 1767 n = max(ip->top_margin, n); 1768 else if (n == ip->top_margin - 1) 1769 /* 1770 * allow scrolling outside region, but 1771 * don't scroll out of active region 1772 * without explicit CUP 1773 */ 1774 n = ip->top_margin; 1775 ip->cury = n; 1776 ip->escape = 0; 1777 SUBR_CURSOR(ip, MOVE_CURSOR); 1778 clr_attr(ip, ATTR_INV); 1779 return; 1780 case 'B': 1781 n = ite_argnum(ip); 1782 n = ip->cury + (n ? n : 1); 1783 n = min(ip->rows - 1, n); 1784 if (ip->inside_margins) 1785 n = min(ip->bottom_margin, n); 1786 else if (n == ip->bottom_margin + 1) 1787 /* 1788 * allow scrolling outside region, but 1789 * don't scroll out of active region 1790 * without explicit CUP 1791 */ 1792 n = ip->bottom_margin; 1793 ip->cury = n; 1794 ip->escape = 0; 1795 SUBR_CURSOR(ip, MOVE_CURSOR); 1796 clr_attr(ip, ATTR_INV); 1797 return; 1798 case 'C': 1799 n = ite_argnum(ip); 1800 n = n ? n : 1; 1801 ip->curx = min(ip->curx + n, ip->cols - 1); 1802 ip->escape = 0; 1803 SUBR_CURSOR(ip, MOVE_CURSOR); 1804 clr_attr(ip, ATTR_INV); 1805 return; 1806 case 'D': 1807 n = ite_argnum(ip); 1808 n = n ? n : 1; 1809 n = ip->curx - n; 1810 ip->curx = n >= 0 ? n : 0; 1811 ip->escape = 0; 1812 SUBR_CURSOR(ip, MOVE_CURSOR); 1813 clr_attr(ip, ATTR_INV); 1814 return; 1815 case 'J': 1816 *ip->ap = 0; 1817 n = ite_zargnum(ip); 1818 if (n == 0) 1819 ite_clrtoeos(ip); 1820 else if (n == 1) 1821 ite_clrtobos(ip); 1822 else if (n == 2) 1823 ite_clrscreen(ip); 1824 ip->escape = 0; 1825 return; 1826 case 'K': 1827 n = ite_zargnum(ip); 1828 if (n == 0) 1829 ite_clrtoeol(ip); 1830 else if (n == 1) 1831 ite_clrtobol(ip); 1832 else if (n == 2) 1833 ite_clrline(ip); 1834 ip->escape = 0; 1835 return; 1836 case 'X': 1837 n = ite_argnum(ip) - 1; 1838 n = min(n, ip->cols - 1 - ip->curx); 1839 for (; n >= 0; n--) { 1840 attrclr(ip, ip->cury, ip->curx + n, 1, 1); 1841 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1842 } 1843 ip->escape = 0; 1844 return; 1845 case '}': 1846 case '`': 1847 /* status line control */ 1848 ip->escape = 0; 1849 return; 1850 case 'r': 1851 *ip->ap = 0; 1852 x = atoi(ip->argbuf); 1853 x = x ? x : 1; 1854 y = ip->rows; 1855 cp = strchr(ip->argbuf, ';'); 1856 if (cp) { 1857 y = atoi(cp + 1); 1858 y = y ? y : ip->rows; 1859 } 1860 if (y - x < 2) { 1861 /* 1862 * if illegal scrolling region, reset 1863 * to defaults 1864 */ 1865 x = 1; 1866 y = ip->rows; 1867 } 1868 x--; 1869 y--; 1870 ip->top_margin = min(x, ip->rows - 1); 1871 ip->bottom_margin = min(y, ip->rows - 1); 1872 if (ip->inside_margins) { 1873 ip->cury = ip->top_margin; 1874 ip->curx = 0; 1875 SUBR_CURSOR(ip, MOVE_CURSOR); 1876 } 1877 ip->escape = 0; 1878 return; 1879 case 'm': 1880 /* big attribute setter/resetter */ 1881 { char *_cp; 1882 *ip->ap = 0; 1883 /* kludge to make CSIm work (== CSI0m) */ 1884 if (ip->ap == ip->argbuf) 1885 ip->ap++; 1886 for (_cp = ip->argbuf; _cp < ip->ap;) { 1887 switch (*_cp) { 1888 case 0: 1889 case '0': 1890 clr_attr(ip, ATTR_ALL); 1891 _cp++; 1892 break; 1893 1894 case '1': 1895 set_attr(ip, ATTR_BOLD); 1896 _cp++; 1897 break; 1898 1899 case '2': 1900 switch (_cp[1]) { 1901 case '2': 1902 clr_attr(ip, ATTR_BOLD); 1903 _cp += 2; 1904 break; 1905 1906 case '4': 1907 clr_attr(ip, ATTR_UL); 1908 _cp += 2; 1909 break; 1910 1911 case '5': 1912 clr_attr(ip, ATTR_BLINK); 1913 _cp += 2; 1914 break; 1915 1916 case '7': 1917 clr_attr(ip, ATTR_INV); 1918 _cp += 2; 1919 break; 1920 1921 default: 1922 _cp++; 1923 break; 1924 } 1925 break; 1926 1927 case '4': 1928 set_attr(ip, ATTR_UL); 1929 _cp++; 1930 break; 1931 1932 case '5': 1933 set_attr(ip, ATTR_BLINK); 1934 _cp++; 1935 break; 1936 1937 case '7': 1938 set_attr(ip, ATTR_INV); 1939 _cp++; 1940 break; 1941 1942 default: 1943 _cp++; 1944 break; 1945 } 1946 } 1947 ip->escape = 0; 1948 return; } 1949 case 'u': 1950 /* DECRQTSR */ 1951 ite_sendstr("\033P\033\\"); 1952 ip->escape = 0; 1953 return; 1954 default: 1955 ip->escape = 0; 1956 return; 1957 } 1958 break; 1959 case '?': /* CSI ? */ 1960 switch (c) { 1961 case '0': 1962 case '1': 1963 case '2': 1964 case '3': 1965 case '4': 1966 case '5': 1967 case '6': 1968 case '7': 1969 case '8': 1970 case '9': 1971 case ';': 1972 case '\"': 1973 case '$': 1974 /* 1975 * Don't fill the last character; 1976 * it's needed. 1977 * XXX yeah, where ?? 1978 */ 1979 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1) 1980 *ip->ap++ = c; 1981 return; 1982 case 'n': 1983 *ip->ap = 0; 1984 if (ip->ap == &ip->argbuf[2]) { 1985 if (!strncmp(ip->argbuf, "15", 2)) 1986 /* printer status: no printer */ 1987 ite_sendstr("\033[13n"); 1988 1989 else if (!strncmp(ip->argbuf, "25", 2)) 1990 /* udk status */ 1991 ite_sendstr("\033[20n"); 1992 1993 else if (!strncmp(ip->argbuf, "26", 2)) 1994 /* keyboard dialect: US */ 1995 ite_sendstr("\033[27;1n"); 1996 } 1997 ip->escape = 0; 1998 return; 1999 case 'h': 2000 case 'l': 2001 n = ite_zargnum(ip); 2002 switch (n) { 2003 case 1: 2004 ip->cursor_appmode = (c == 'h'); 2005 break; 2006 case 3: 2007 /* 132/80 columns (132 == 'h') */ 2008 break; 2009 case 4: /* smooth scroll */ 2010 break; 2011 case 5: 2012 /* 2013 * light background (=='h') /dark 2014 * background(=='l') 2015 */ 2016 break; 2017 case 6: /* origin mode */ 2018 ip->inside_margins = (c == 'h'); 2019 ip->curx = 0; 2020 ip->cury = ip->inside_margins ? 2021 ip->top_margin : 0; 2022 SUBR_CURSOR(ip, MOVE_CURSOR); 2023 break; 2024 case 7: /* auto wraparound */ 2025 ip->auto_wrap = (c == 'h'); 2026 break; 2027 case 8: /* keyboard repeat */ 2028 ip->key_repeat = (c == 'h'); 2029 break; 2030 case 20: /* newline mode */ 2031 ip->linefeed_newline = (c == 'h'); 2032 break; 2033 case 25: /* cursor on/off */ 2034 SUBR_CURSOR(ip, (c == 'h') ? 2035 DRAW_CURSOR : ERASE_CURSOR); 2036 break; 2037 } 2038 ip->escape = 0; 2039 return; 2040 default: 2041 ip->escape = 0; 2042 return; 2043 } 2044 break; 2045 default: 2046 ip->escape = 0; 2047 return; 2048 } 2049 } 2050 switch (c) { 2051 case VT: /* VT is treated like LF */ 2052 case FF: /* so is FF */ 2053 case LF: 2054 /* 2055 * cr->crlf distinction is done here, on output, not on input! 2056 */ 2057 if (ip->linefeed_newline) 2058 ite_crlf(ip); 2059 else 2060 ite_lf(ip); 2061 break; 2062 case CR: 2063 ite_cr(ip); 2064 break; 2065 case BS: 2066 if (--ip->curx < 0) 2067 ip->curx = 0; 2068 else 2069 SUBR_CURSOR(ip, MOVE_CURSOR); 2070 break; 2071 case HT: 2072 for (n = ip->curx + 1; n < ip->cols; n++) { 2073 if (ip->tabs[n]) { 2074 ip->curx = n; 2075 SUBR_CURSOR(ip, MOVE_CURSOR); 2076 break; 2077 } 2078 } 2079 break; 2080 case BEL: 2081 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty 2082 #ifdef DRACO 2083 && !is_draco() 2084 #endif 2085 ) 2086 ite_bell(); 2087 break; 2088 case SO: 2089 ip->GL = ip->G1; 2090 break; 2091 case SI: 2092 ip->GL = ip->G0; 2093 break; 2094 case ENQ: 2095 /* send answer-back message !! */ 2096 break; 2097 case CAN: 2098 ip->escape = 0; /* cancel any escape sequence in progress */ 2099 break; 2100 case SUB: 2101 ip->escape = 0; /* dito, but see below */ 2102 /* should also display a reverse question mark!! */ 2103 break; 2104 case ESC: 2105 ip->escape = ESC; 2106 break; 2107 /* 2108 * now it gets weird.. 8bit control sequences.. 2109 */ 2110 case IND: 2111 /* index: move cursor down, scroll */ 2112 ite_lf(ip); 2113 break; 2114 case NEL: 2115 /* next line. next line, first pos. */ 2116 ite_crlf(ip); 2117 break; 2118 case HTS: 2119 /* set horizontal tab */ 2120 if (ip->curx < ip->cols) 2121 ip->tabs[ip->curx] = 1; 2122 break; 2123 case RI: 2124 /* reverse index */ 2125 ite_rlf(ip); 2126 break; 2127 case SS2: 2128 /* go into G2 for one character */ 2129 /* not yet supported */ 2130 break; 2131 case SS3: 2132 /* go into G3 for one character */ 2133 break; 2134 case DCS: 2135 /* device control string introducer */ 2136 ip->escape = DCS; 2137 ip->ap = ip->argbuf; 2138 break; 2139 case CSI: 2140 /* control sequence introducer */ 2141 ip->escape = CSI; 2142 ip->ap = ip->argbuf; 2143 break; 2144 case ST: 2145 /* string terminator */ 2146 /* ignore, if not used as terminator */ 2147 break; 2148 case OSC: 2149 /* 2150 * introduces OS command. Ignore everything 2151 * upto ST 2152 */ 2153 ip->escape = OSC; 2154 break; 2155 case PM: 2156 /* privacy message, ignore everything upto ST */ 2157 ip->escape = PM; 2158 break; 2159 case APC: 2160 /* 2161 * application program command, ignore * everything upto ST 2162 */ 2163 ip->escape = APC; 2164 break; 2165 default: 2166 if ((c & 0x7f) < ' ' || c == DEL) 2167 break; 2168 if (ip->imode) 2169 ite_inchar(ip, 1); 2170 iteprecheckwrap(ip); 2171 #ifdef DO_WEIRD_ATTRIBUTES 2172 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) { 2173 attrset(ip, ATTR_INV); 2174 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV); 2175 } else 2176 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR); 2177 #else 2178 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute); 2179 #endif 2180 SUBR_CURSOR(ip, DRAW_CURSOR); 2181 itecheckwrap(ip); 2182 break; 2183 } 2184 } 2185 2186
Indexes created Fri Sep 26 08:10:20 GMT 2025