ite.c revision 1.34
1 /* $NetBSD: ite.c,v 1.34 2001/07/09 12:06:35 leo Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: Utah Hdr: ite.c 1.1 90/07/09 41 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91 42 */ 43 44 /* 45 * ite - bitmapped terminal. 46 * Supports VT200, a few terminal features will be unavailable until 47 * the system actually probes the device (i.e. not after consinit()) 48 */ 49 50 #include "opt_ddb.h" 51 52 #include <sys/param.h> 53 #include <sys/kernel.h> 54 #include <sys/conf.h> 55 #include <sys/device.h> 56 #include <sys/malloc.h> 57 #include <sys/fcntl.h> 58 #include <sys/ioctl.h> 59 #include <sys/tty.h> 60 #include <sys/termios.h> 61 #include <sys/systm.h> 62 #include <sys/callout.h> 63 #include <sys/proc.h> 64 #include <dev/cons.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 #define ITEUNIT(dev) (minor(dev)) 81 82 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip) 83 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip) 84 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m) 85 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg) 86 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w) 87 #define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir) 88 89 u_int ite_confunits; /* configured units */ 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 __P((const char *)); 111 static __inline__ int ite_argnum __P((struct ite_softc *)); 112 static __inline__ int ite_zargnum __P((struct ite_softc *)); 113 static __inline__ void ite_cr __P((struct ite_softc *)); 114 static __inline__ void ite_crlf __P((struct ite_softc *)); 115 static __inline__ void ite_clrline __P((struct ite_softc *)); 116 static __inline__ void ite_clrscreen __P((struct ite_softc *)); 117 static __inline__ void ite_clrtobos __P((struct ite_softc *)); 118 static __inline__ void ite_clrtobol __P((struct ite_softc *)); 119 static __inline__ void ite_clrtoeol __P((struct ite_softc *)); 120 static __inline__ void ite_clrtoeos __P((struct ite_softc *)); 121 static __inline__ void ite_dnchar __P((struct ite_softc *, int)); 122 static __inline__ void ite_inchar __P((struct ite_softc *, int)); 123 static __inline__ void ite_inline __P((struct ite_softc *, int)); 124 static __inline__ void ite_lf __P((struct ite_softc *)); 125 static __inline__ void ite_dnline __P((struct ite_softc *, int)); 126 static __inline__ void ite_rlf __P((struct ite_softc *)); 127 static __inline__ void ite_sendstr __P((char *)); 128 static __inline__ void snap_cury __P((struct ite_softc *)); 129 130 static void alignment_display __P((struct ite_softc *)); 131 static char *index __P((const char *, int)); 132 static struct ite_softc *getitesp __P((dev_t)); 133 static void itecheckwrap __P((struct ite_softc *)); 134 static void iteprecheckwrap __P((struct ite_softc *)); 135 static void itestart __P((struct tty *)); 136 static void ite_switch __P((int)); 137 static void repeat_handler __P((void *)); 138 139 void iteputchar __P((int c, struct ite_softc *ip)); 140 void ite_putstr __P((const u_char * s, int len, dev_t dev)); 141 void iteattach __P((struct device *, struct device *, void *)); 142 int itematch __P((struct device *, struct cfdata *, 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 struct cfattach ite_ca = { 153 sizeof(struct ite_softc), itematch, iteattach 154 }; 155 156 extern struct cfdriver ite_cd; 157 158 /* 159 * Keep track of the device number of the ite console. Only used in the 160 * itematch/iteattach functions. 161 */ 162 static int cons_ite = -1; 163 164 int 165 itematch(pdp, cfp, auxp) 166 struct device *pdp; 167 struct cfdata *cfp; 168 void *auxp; 169 { 170 static int nmatches = 0; 171 172 /* 173 * Handle early console stuff. The first cf_unit number 174 * matches the console unit. All other early matches will fail. 175 */ 176 if (atari_realconfig == 0) { 177 if (cons_ite >= 0) 178 return 0; 179 cons_ite = cfp->cf_unit; 180 return 1; 181 } 182 183 /* 184 * all that our mask allows (more than enough no one 185 * has > 32 monitors for text consoles on one machine) 186 */ 187 if (nmatches >= sizeof(ite_confunits) * NBBY) 188 return 0; /* checks STAR */ 189 if (cfp->cf_unit >= sizeof(ite_confunits) * NBBY) 190 return 0; /* refuses ite100 at .... */ 191 nmatches++; 192 return 1; 193 } 194 195 void 196 iteattach(pdp, dp, auxp) 197 struct device *pdp, *dp; 198 void *auxp; 199 { 200 struct grf_softc *gp; 201 struct ite_softc *ip; 202 int s; 203 int maj, unit; 204 205 gp = (struct grf_softc *)auxp; 206 ip = (struct ite_softc *)dp; 207 208 for(maj = 0; maj < nchrdev; maj++) 209 if (cdevsw[maj].d_open == iteopen) 210 break; 211 unit = (dp != NULL) ? ip->device.dv_unit : cons_ite; 212 gp->g_itedev = makedev(maj, unit); 213 214 if(dp) { 215 216 ite_confunits |= 1 << ITEUNIT(gp->g_itedev); 217 218 s = spltty(); 219 if(con_itesoftc.grf != NULL 220 && con_itesoftc.grf->g_unit == gp->g_unit) { 221 /* 222 * console reinit copy params over. 223 * and console always gets keyboard 224 */ 225 bcopy(&con_itesoftc.grf, &ip->grf, 226 (char *)&ip[1] - (char *)&ip->grf); 227 con_itesoftc.grf = NULL; 228 kbd_ite = ip; 229 } 230 ip->grf = gp; 231 splx(s); 232 233 iteinit(gp->g_itedev); 234 printf(": %dx%d", ip->rows, ip->cols); 235 printf(" repeat at (%d/100)s next at (%d/100)s", 236 start_repeat_timeo, next_repeat_timeo); 237 238 if (kbd_ite == NULL) 239 kbd_ite = ip; 240 if (kbd_ite == ip) 241 printf(" has keyboard"); 242 printf("\n"); 243 } else { 244 if (con_itesoftc.grf != NULL && 245 con_itesoftc.grf->g_conpri > gp->g_conpri) 246 return; 247 con_itesoftc.grf = gp; 248 con_itesoftc.tabs = cons_tabs; 249 } 250 } 251 252 static struct ite_softc * 253 getitesp(dev) 254 dev_t dev; 255 { 256 if(atari_realconfig && (con_itesoftc.grf == NULL)) 257 return(ite_cd.cd_devs[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 273 itecnprobe(cd) 274 struct consdev *cd; 275 { 276 /* 277 * return priority of the best ite (already picked from attach) 278 * or CN_DEAD. 279 */ 280 if (con_itesoftc.grf == NULL) 281 cd->cn_pri = CN_DEAD; 282 else { 283 cd->cn_pri = con_itesoftc.grf->g_conpri; 284 cd->cn_dev = con_itesoftc.grf->g_itedev; 285 } 286 } 287 288 void 289 itecninit(cd) 290 struct consdev *cd; 291 { 292 struct ite_softc *ip; 293 294 ip = getitesp(cd->cn_dev); 295 ip->flags |= ITE_ISCONS; 296 iteinit(cd->cn_dev); 297 ip->flags |= ITE_ACTIVE | ITE_ISCONS; 298 } 299 300 /* 301 * ite_cnfinish() is called in ite_init() when the device is 302 * being probed in the normal fasion, thus we can finish setting 303 * up this ite now that the system is more functional. 304 */ 305 void 306 ite_cnfinish(ip) 307 struct ite_softc *ip; 308 { 309 static int done; 310 311 if (done) 312 return; 313 done = 1; 314 } 315 316 int 317 itecngetc(dev) 318 dev_t dev; 319 { 320 int c; 321 322 do { 323 c = kbdgetcn(); 324 c = ite_cnfilter(c, ITEFILT_CONSOLE); 325 } while (c == -1); 326 return (c); 327 } 328 329 void 330 itecnputc(dev, c) 331 dev_t dev; 332 int c; 333 { 334 static int paniced; 335 struct ite_softc *ip; 336 char ch; 337 338 ip = getitesp(dev); 339 ch = c; 340 341 if (panicstr && !paniced && 342 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) { 343 (void)ite_on(dev, 3); 344 paniced = 1; 345 } 346 SUBR_CURSOR(ip, START_CURSOROPT); 347 iteputchar(ch, ip); 348 SUBR_CURSOR(ip, END_CURSOROPT); 349 } 350 351 /* 352 * standard entry points to the device. 353 */ 354 355 /* 356 * iteinit() is the standard entry point for initialization of 357 * an ite device, it is also called from itecninit(). 358 * 359 */ 360 void 361 iteinit(dev) 362 dev_t dev; 363 { 364 struct ite_softc *ip; 365 366 ip = getitesp(dev); 367 if (ip->flags & ITE_INITED) 368 return; 369 if (atari_realconfig) { 370 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap) 371 free(ip->kbdmap, M_DEVBUF); 372 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK); 373 bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap)); 374 } 375 else ip->kbdmap = &ascii_kbdmap; 376 377 ip->cursorx = 0; 378 ip->cursory = 0; 379 SUBR_INIT(ip); 380 SUBR_CURSOR(ip, DRAW_CURSOR); 381 if (ip->tabs == NULL) 382 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK); 383 ite_reset(ip); 384 ip->flags |= ITE_INITED; 385 } 386 387 int 388 iteopen(dev, mode, devtype, p) 389 dev_t dev; 390 int mode, devtype; 391 struct proc *p; 392 { 393 struct ite_softc *ip; 394 struct tty *tp; 395 int error, first, unit; 396 397 unit = ITEUNIT(dev); 398 first = 0; 399 400 if (((1 << unit) & ite_confunits) == 0) 401 return (ENXIO); 402 403 ip = getitesp(dev); 404 405 if (ip->tp == NULL) { 406 tp = ip->tp = ttymalloc(); 407 tty_attach(tp); 408 } 409 else tp = ip->tp; 410 411 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE) 412 && p->p_ucred->cr_uid != 0) 413 return (EBUSY); 414 if ((ip->flags & ITE_ACTIVE) == 0) { 415 error = ite_on(dev, 0); 416 if (error) 417 return (error); 418 first = 1; 419 } 420 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) { 421 tp->t_oproc = itestart; 422 tp->t_param = ite_param; 423 tp->t_dev = dev; 424 tp->t_iflag = TTYDEF_IFLAG; 425 tp->t_oflag = TTYDEF_OFLAG; 426 tp->t_cflag = TTYDEF_CFLAG; 427 tp->t_lflag = TTYDEF_LFLAG; 428 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 429 tp->t_state = TS_CARR_ON; 430 ttychars(tp); 431 ttsetwater(tp); 432 } 433 434 435 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0); 436 if (error) 437 goto bad; 438 439 error = (*tp->t_linesw->l_open) (dev, tp); 440 if (error) 441 goto bad; 442 443 tp->t_winsize.ws_row = ip->rows; 444 tp->t_winsize.ws_col = ip->cols; 445 if (!kbd_init) { 446 kbd_init = 1; 447 kbdenable(); 448 } 449 return (0); 450 451 452 bad: 453 if (first) 454 ite_off(dev, 0); 455 456 return (error); 457 } 458 459 int 460 iteclose(dev, flag, mode, p) 461 dev_t dev; 462 int flag, mode; 463 struct proc *p; 464 { 465 struct tty *tp; 466 467 tp = getitesp(dev)->tp; 468 469 KDASSERT(tp); 470 (*tp->t_linesw->l_close) (tp, flag); 471 ttyclose(tp); 472 ite_off(dev, 0); 473 return (0); 474 } 475 476 int 477 iteread(dev, uio, flag) 478 dev_t dev; 479 struct uio *uio; 480 int flag; 481 { 482 struct tty *tp; 483 484 tp = getitesp(dev)->tp; 485 486 KDASSERT(tp); 487 return ((*tp->t_linesw->l_read) (tp, uio, flag)); 488 } 489 490 int 491 itewrite(dev, uio, flag) 492 dev_t dev; 493 struct uio *uio; 494 int flag; 495 { 496 struct tty *tp; 497 498 tp = getitesp(dev)->tp; 499 500 KDASSERT(tp); 501 return ((*tp->t_linesw->l_write) (tp, uio, flag)); 502 } 503 504 int 505 itepoll(dev, events, p) 506 dev_t dev; 507 int events; 508 struct proc *p; 509 { 510 struct tty *tp; 511 512 tp = getitesp(dev)->tp; 513 514 KDASSERT(tp); 515 return ((*tp->t_linesw->l_poll)(tp, events, p)); 516 } 517 518 void 519 itestop(tp, flag) 520 struct tty *tp; 521 int flag; 522 { 523 } 524 525 struct tty * 526 itetty(dev) 527 dev_t dev; 528 { 529 return(getitesp(dev)->tp); 530 } 531 532 int 533 iteioctl(dev, cmd, addr, flag, p) 534 dev_t dev; 535 u_long cmd; 536 int flag; 537 caddr_t addr; 538 struct proc *p; 539 { 540 struct iterepeat *irp; 541 struct ite_softc *ip; 542 struct tty *tp; 543 view_t *view; 544 struct itewinsize *is; 545 struct itebell *ib; 546 int error; 547 548 ip = getitesp(dev); 549 tp = ip->tp; 550 view = viewview(ip->grf->g_viewdev); 551 552 KDASSERT(tp); 553 554 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, p); 555 if(error >= 0) 556 return (error); 557 error = ttioctl(tp, cmd, addr, flag, p); 558 if (error >= 0) 559 return (error); 560 561 switch (cmd) { 562 case ITEIOCSKMAP: 563 if (addr == NULL) 564 return(EFAULT); 565 bcopy(addr, ip->kbdmap, sizeof(struct kbdmap)); 566 return 0; 567 case ITEIOCSSKMAP: 568 if (addr == NULL) 569 return(EFAULT); 570 bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap)); 571 return 0; 572 case ITEIOCGKMAP: 573 if (addr == NULL) 574 return(EFAULT); 575 bcopy(ip->kbdmap, addr, sizeof(struct kbdmap)); 576 return 0; 577 case ITEIOCGREPT: 578 if (addr == NULL) 579 return(EFAULT); 580 irp = (struct iterepeat *)addr; 581 irp->start = start_repeat_timeo; 582 irp->next = next_repeat_timeo; 583 return 0; 584 case ITEIOCSREPT: 585 if (addr == NULL) 586 return(EFAULT); 587 irp = (struct iterepeat *)addr; 588 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT) 589 return(EINVAL); 590 start_repeat_timeo = irp->start; 591 next_repeat_timeo = irp->next; 592 return 0; 593 case ITEIOCGWINSZ: 594 if (addr == NULL) 595 return(EFAULT); 596 is = (struct itewinsize *)addr; 597 is->x = view->display.x; 598 is->y = view->display.y; 599 is->width = view->display.width; 600 is->height = view->display.height; 601 is->depth = view->bitmap->depth; 602 return 0; 603 case ITEIOCDSPWIN: 604 ip->grf->g_mode(ip->grf, GM_GRFON, NULL, 0, 0); 605 return 0; 606 case ITEIOCREMWIN: 607 ip->grf->g_mode(ip->grf, GM_GRFOFF, NULL, 0, 0); 608 return 0; 609 case ITEIOCSBELL: 610 if (addr == NULL) 611 return(EFAULT); 612 ib = (struct itebell *)addr; 613 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec); 614 return 0; 615 case ITEIOCGBELL: 616 if (addr == NULL) 617 return(EFAULT); 618 ib = (struct itebell *)addr; 619 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec); 620 return 0; 621 } 622 error = (ip->itexx_ioctl)(ip, cmd, addr, flag, p); 623 if(error >= 0) 624 return(error); 625 return (ENOTTY); 626 } 627 628 void 629 itestart(tp) 630 struct tty *tp; 631 { 632 struct clist *rbp; 633 struct ite_softc *ip; 634 u_char buf[ITEBURST]; 635 int s, len; 636 637 ip = getitesp(tp->t_dev); 638 639 KDASSERT(tp); 640 641 s = spltty(); { 642 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 643 goto out; 644 645 tp->t_state |= TS_BUSY; 646 rbp = &tp->t_outq; 647 648 len = q_to_b(rbp, buf, ITEBURST); 649 } splx(s); 650 651 /* Here is a really good place to implement pre/jumpscroll() */ 652 ite_putstr((char *)buf, len, tp->t_dev); 653 654 s = spltty(); { 655 tp->t_state &= ~TS_BUSY; 656 /* we have characters remaining. */ 657 if (rbp->c_cc) { 658 tp->t_state |= TS_TIMEOUT; 659 callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp); 660 } 661 /* wakeup we are below */ 662 if (rbp->c_cc <= tp->t_lowat) { 663 if (tp->t_state & TS_ASLEEP) { 664 tp->t_state &= ~TS_ASLEEP; 665 wakeup((caddr_t) rbp); 666 } 667 selwakeup(&tp->t_wsel); 668 } 669 out: ; 670 } splx(s); 671 } 672 673 int 674 ite_on(dev, flag) 675 dev_t dev; 676 int flag; 677 { 678 struct ite_softc *ip; 679 int unit; 680 681 unit = ITEUNIT(dev); 682 if (((1 << unit) & ite_confunits) == 0) 683 return (ENXIO); 684 685 ip = getitesp(dev); 686 687 /* force ite active, overriding graphics mode */ 688 if (flag & 1) { 689 ip->flags |= ITE_ACTIVE; 690 ip->flags &= ~(ITE_INGRF | ITE_INITED); 691 } 692 /* leave graphics mode */ 693 if (flag & 2) { 694 ip->flags &= ~ITE_INGRF; 695 if ((ip->flags & ITE_ACTIVE) == 0) 696 return (0); 697 } 698 ip->flags |= ITE_ACTIVE; 699 if (ip->flags & ITE_INGRF) 700 return (0); 701 iteinit(dev); 702 return (0); 703 } 704 705 void 706 ite_off(dev, flag) 707 dev_t dev; 708 int flag; 709 { 710 struct ite_softc *ip; 711 712 ip = getitesp(dev); 713 if (flag & 2) 714 ip->flags |= ITE_INGRF; 715 if ((ip->flags & ITE_ACTIVE) == 0) 716 return; 717 if ((flag & 1) || 718 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 719 SUBR_DEINIT(ip); 720 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */ 721 ip->flags &= ~ITE_ACTIVE; 722 } 723 724 static void 725 ite_switch(unit) 726 int unit; 727 { 728 struct ite_softc *ip; 729 730 if(!(ite_confunits & (1 << unit))) 731 return; /* Don't try unconfigured units */ 732 ip = getitesp(unit); 733 if(!(ip->flags & ITE_INITED)) 734 return; 735 736 /* 737 * If switching to an active ite, also switch the keyboard. 738 */ 739 if(ip->flags & ITE_ACTIVE) 740 kbd_ite = ip; 741 742 /* 743 * Now make it visible 744 */ 745 viewioctl(ip->grf->g_viewdev, VIOCDISPLAY, NULL, 0, NOPROC); 746 747 /* 748 * Make sure the cursor's there too.... 749 */ 750 SUBR_CURSOR(ip, DRAW_CURSOR); 751 } 752 753 /* XXX called after changes made in underlying grf layer. */ 754 /* I want to nuke this */ 755 void 756 ite_reinit(dev) 757 dev_t dev; 758 { 759 struct ite_softc *ip; 760 761 ip = getitesp(dev); 762 ip->flags &= ~ITE_INITED; 763 iteinit(dev); 764 } 765 766 int 767 ite_param(tp, t) 768 struct tty *tp; 769 struct termios *t; 770 { 771 tp->t_ispeed = t->c_ispeed; 772 tp->t_ospeed = t->c_ospeed; 773 tp->t_cflag = t->c_cflag; 774 return (0); 775 } 776 777 void 778 ite_reset(ip) 779 struct ite_softc *ip; 780 { 781 int i; 782 783 ip->curx = 0; 784 ip->cury = 0; 785 ip->attribute = ATTR_NOR; 786 ip->save_curx = 0; 787 ip->save_cury = 0; 788 ip->save_attribute = ATTR_NOR; 789 ip->ap = ip->argbuf; 790 ip->emul_level = 0; 791 ip->eightbit_C1 = 0; 792 ip->top_margin = 0; 793 ip->bottom_margin = ip->rows - 1; 794 ip->inside_margins = 0; 795 ip->linefeed_newline = 0; 796 ip->auto_wrap = ite_default_wrap; 797 ip->cursor_appmode = 0; 798 ip->keypad_appmode = 0; 799 ip->imode = 0; 800 ip->key_repeat = 1; 801 bzero(ip->tabs, ip->cols); 802 for (i = 0; i < ip->cols; i++) 803 ip->tabs[i] = ((i & 7) == 0); 804 } 805 806 /* 807 * has to be global because of the shared filters. 808 */ 809 static u_char last_dead; 810 811 /* 812 * Used in console at startup only and for DDB. 813 */ 814 int 815 ite_cnfilter(c, caller) 816 u_int c; 817 enum caller caller; 818 { 819 struct key key; 820 struct kbdmap *kbdmap; 821 u_char code, up, mask; 822 int s; 823 824 up = KBD_RELEASED(c); 825 c = KBD_SCANCODE(c); 826 code = 0; 827 mask = 0; 828 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap; 829 830 s = spltty(); 831 832 /* 833 * No special action if key released 834 */ 835 if(up) { 836 splx(s); 837 return -1; 838 } 839 840 /* translate modifiers */ 841 if(kbd_modifier & KBD_MOD_SHIFT) { 842 if(kbd_modifier & KBD_MOD_ALT) 843 key = kbdmap->alt_shift_keys[c]; 844 else key = kbdmap->shift_keys[c]; 845 } 846 else if(kbd_modifier & KBD_MOD_ALT) 847 key = kbdmap->alt_keys[c]; 848 else { 849 key = kbdmap->keys[c]; 850 /* 851 * If CAPS and key is CAPable (no pun intended) 852 */ 853 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 854 key = kbdmap->shift_keys[c]; 855 } 856 code = key.code; 857 858 #ifdef notyet /* LWP: Didn't have time to look at this yet */ 859 /* 860 * If string return simple console filter 861 */ 862 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 863 splx(s); 864 return -1; 865 } 866 /* handle dead keys */ 867 if(key->mode & KBD_MODE_DEAD) { 868 /* if entered twice, send accent itself */ 869 if (last_dead == key->mode & KBD_MODE_ACCMASK) 870 last_dead = 0; 871 else { 872 last_dead = key->mode & KBD_MODE_ACCMASK; 873 splx(s); 874 return -1; 875 } 876 } 877 if(last_dead) { 878 /* can't apply dead flag to string-keys */ 879 if (code >= '@' && code < 0x7f) 880 code = 881 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 882 last_dead = 0; 883 } 884 #endif 885 if(kbd_modifier & KBD_MOD_CTRL) 886 code &= 0x1f; 887 888 /* 889 * Do console mapping. 890 */ 891 code = code == '\r' ? '\n' : code; 892 893 splx(s); 894 return (code); 895 } 896 897 /* And now the old stuff. */ 898 899 /* these are used to implement repeating keys.. */ 900 static u_int last_char; 901 static u_char tout_pending; 902 903 static struct callout repeat_ch = CALLOUT_INITIALIZER; 904 905 /*ARGSUSED*/ 906 static void 907 repeat_handler(arg) 908 void *arg; 909 { 910 tout_pending = 0; 911 if(last_char) 912 add_sicallback((si_farg)ite_filter, (void *)last_char, 913 (void *)ITEFILT_REPEATER); 914 } 915 916 void 917 ite_filter(c, caller) 918 u_int c; 919 enum caller caller; 920 { 921 struct tty *kbd_tty; 922 struct kbdmap *kbdmap; 923 u_char code, *str, up, mask; 924 struct key key; 925 int s, i; 926 927 if(kbd_ite == NULL) 928 return; 929 930 kbd_tty = kbd_ite->tp; 931 kbdmap = kbd_ite->kbdmap; 932 933 up = KBD_RELEASED(c); 934 c = KBD_SCANCODE(c); 935 code = 0; 936 mask = 0; 937 938 /* have to make sure we're at spltty in here */ 939 s = spltty(); 940 941 /* 942 * keyboard interrupts come at priority 2, while softint 943 * generated keyboard-repeat interrupts come at level 1. So, 944 * to not allow a key-up event to get thru before a repeat for 945 * the key-down, we remove any outstanding callout requests.. 946 */ 947 rem_sicallback((si_farg)ite_filter); 948 949 /* 950 * Stop repeating on up event 951 */ 952 if (up) { 953 if(tout_pending) { 954 callout_stop(&repeat_ch); 955 tout_pending = 0; 956 last_char = 0; 957 } 958 splx(s); 959 return; 960 } 961 else if(tout_pending && last_char != c) { 962 /* 963 * Different character, stop also 964 */ 965 callout_stop(&repeat_ch); 966 tout_pending = 0; 967 last_char = 0; 968 } 969 970 /* 971 * Handle ite-switching ALT + Fx 972 */ 973 if((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) { 974 ite_switch(c - 0x3b); 975 splx(s); 976 return; 977 } 978 /* 979 * Safety button, switch back to ascii keymap. 980 */ 981 if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) { 982 /* ALT + LSHIFT + F1 */ 983 bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap)); 984 splx(s); 985 return; 986 #ifdef DDB 987 } 988 else if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) { 989 /* 990 * ALT + LSHIFT + F9 -> Debugger! 991 */ 992 Debugger(); 993 splx(s); 994 return; 995 #endif 996 } 997 998 /* 999 * The rest of the code is senseless when the device is not open. 1000 */ 1001 if(kbd_tty == NULL) { 1002 splx(s); 1003 return; 1004 } 1005 1006 /* 1007 * Translate modifiers 1008 */ 1009 if(kbd_modifier & KBD_MOD_SHIFT) { 1010 if(kbd_modifier & KBD_MOD_ALT) 1011 key = kbdmap->alt_shift_keys[c]; 1012 else key = kbdmap->shift_keys[c]; 1013 } 1014 else if(kbd_modifier & KBD_MOD_ALT) 1015 key = kbdmap->alt_keys[c]; 1016 else { 1017 key = kbdmap->keys[c]; 1018 /* 1019 * If CAPS and key is CAPable (no pun intended) 1020 */ 1021 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 1022 key = kbdmap->shift_keys[c]; 1023 } 1024 code = key.code; 1025 1026 /* 1027 * Arrange to repeat the keystroke. By doing this at the level 1028 * of scan-codes, we can have function keys, and keys that 1029 * send strings, repeat too. This also entitles an additional 1030 * overhead, since we have to do the conversion each time, but 1031 * I guess that's ok. 1032 */ 1033 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 1034 tout_pending = 1; 1035 last_char = c; 1036 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100, 1037 repeat_handler, NULL); 1038 } 1039 else if(!tout_pending && caller==ITEFILT_REPEATER 1040 && kbd_ite->key_repeat) { 1041 tout_pending = 1; 1042 last_char = c; 1043 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100, 1044 repeat_handler, NULL); 1045 } 1046 /* handle dead keys */ 1047 if (key.mode & KBD_MODE_DEAD) { 1048 /* if entered twice, send accent itself */ 1049 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 1050 last_dead = 0; 1051 else { 1052 last_dead = key.mode & KBD_MODE_ACCMASK; 1053 splx(s); 1054 return; 1055 } 1056 } 1057 if (last_dead) { 1058 /* can't apply dead flag to string-keys */ 1059 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 1060 code < 0x7f) 1061 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 1062 last_dead = 0; 1063 } 1064 1065 /* 1066 * If not string, apply CTRL modifiers 1067 */ 1068 if(!(key.mode & KBD_MODE_STRING) 1069 && (!(key.mode & KBD_MODE_KPAD) 1070 || (kbd_ite && !kbd_ite->keypad_appmode))) { 1071 if(kbd_modifier & KBD_MOD_CTRL) 1072 code &= 0x1f; 1073 } 1074 else if((key.mode & KBD_MODE_KPAD) 1075 && (kbd_ite && kbd_ite->keypad_appmode)) { 1076 static char *in = "0123456789-+.\r()/*"; 1077 static char *out = "pqrstuvwxymlnMPQRS"; 1078 char *cp = index(in, code); 1079 1080 /* 1081 * keypad-appmode sends SS3 followed by the above 1082 * translated character 1083 */ 1084 kbd_tty->t_linesw->l_rint(27, kbd_tty); 1085 kbd_tty->t_linesw->l_rint('O', kbd_tty); 1086 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty); 1087 splx(s); 1088 return; 1089 } else { 1090 /* *NO* I don't like this.... */ 1091 static u_char app_cursor[] = 1092 { 1093 3, 27, 'O', 'A', 1094 3, 27, 'O', 'B', 1095 3, 27, 'O', 'C', 1096 3, 27, 'O', 'D'}; 1097 1098 str = kbdmap->strings + code; 1099 /* 1100 * if this is a cursor key, AND it has the default 1101 * keymap setting, AND we're in app-cursor mode, switch 1102 * to the above table. This is *nasty* ! 1103 */ 1104 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50)) 1105 && kbd_ite->cursor_appmode 1106 && !bcmp(str, "\x03\x1b[", 3) && 1107 index("ABCD", str[3])) 1108 str = app_cursor + 4 * (str[3] - 'A'); 1109 1110 /* 1111 * using a length-byte instead of 0-termination allows 1112 * to embed \0 into strings, although this is not used 1113 * in the default keymap 1114 */ 1115 for (i = *str++; i; i--) 1116 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1117 splx(s); 1118 return; 1119 } 1120 kbd_tty->t_linesw->l_rint(code, kbd_tty); 1121 1122 splx(s); 1123 return; 1124 } 1125 1126 /* helper functions, makes the code below more readable */ 1127 static __inline__ void 1128 ite_sendstr(str) 1129 char *str; 1130 { 1131 struct tty *kbd_tty; 1132 1133 kbd_tty = kbd_ite->tp; 1134 KDASSERT(kbd_tty); 1135 while (*str) 1136 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1137 } 1138 1139 static void 1140 alignment_display(ip) 1141 struct ite_softc *ip; 1142 { 1143 int i, j; 1144 1145 for (j = 0; j < ip->rows; j++) 1146 for (i = 0; i < ip->cols; i++) 1147 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR); 1148 attrclr(ip, 0, 0, ip->rows, ip->cols); 1149 SUBR_CURSOR(ip, DRAW_CURSOR); 1150 } 1151 1152 static __inline__ void 1153 snap_cury(ip) 1154 struct ite_softc *ip; 1155 { 1156 if (ip->inside_margins) 1157 { 1158 if (ip->cury < ip->top_margin) 1159 ip->cury = ip->top_margin; 1160 if (ip->cury > ip->bottom_margin) 1161 ip->cury = ip->bottom_margin; 1162 } 1163 } 1164 1165 static __inline__ void 1166 ite_dnchar(ip, n) 1167 struct ite_softc *ip; 1168 int n; 1169 { 1170 n = min(n, ip->cols - ip->curx); 1171 if (n < ip->cols - ip->curx) 1172 { 1173 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT); 1174 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx, 1175 1, ip->cols - ip->curx - n); 1176 attrclr(ip, ip->cury, ip->cols - n, 1, n); 1177 } 1178 while (n-- > 0) 1179 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR); 1180 SUBR_CURSOR(ip, DRAW_CURSOR); 1181 } 1182 1183 static __inline__ void 1184 ite_inchar(ip, n) 1185 struct ite_softc *ip; 1186 int n; 1187 { 1188 n = min(n, ip->cols - ip->curx); 1189 if (n < ip->cols - ip->curx) 1190 { 1191 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT); 1192 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n, 1193 1, ip->cols - ip->curx - n); 1194 attrclr(ip, ip->cury, ip->curx, 1, n); 1195 } 1196 while (n--) 1197 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1198 SUBR_CURSOR(ip, DRAW_CURSOR); 1199 } 1200 1201 static __inline__ void 1202 ite_clrtoeol(ip) 1203 struct ite_softc *ip; 1204 { 1205 int y = ip->cury, x = ip->curx; 1206 if (ip->cols - x > 0) 1207 { 1208 SUBR_CLEAR(ip, y, x, 1, ip->cols - x); 1209 attrclr(ip, y, x, 1, ip->cols - x); 1210 SUBR_CURSOR(ip, DRAW_CURSOR); 1211 } 1212 } 1213 1214 static __inline__ void 1215 ite_clrtobol(ip) 1216 struct ite_softc *ip; 1217 { 1218 int y = ip->cury, x = min(ip->curx + 1, ip->cols); 1219 SUBR_CLEAR(ip, y, 0, 1, x); 1220 attrclr(ip, y, 0, 1, x); 1221 SUBR_CURSOR(ip, DRAW_CURSOR); 1222 } 1223 1224 static __inline__ void 1225 ite_clrline(ip) 1226 struct ite_softc *ip; 1227 { 1228 int y = ip->cury; 1229 SUBR_CLEAR(ip, y, 0, 1, ip->cols); 1230 attrclr(ip, y, 0, 1, ip->cols); 1231 SUBR_CURSOR(ip, DRAW_CURSOR); 1232 } 1233 1234 1235 1236 static __inline__ void 1237 ite_clrtoeos(ip) 1238 struct ite_softc *ip; 1239 { 1240 ite_clrtoeol(ip); 1241 if (ip->cury < ip->rows - 1) 1242 { 1243 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols); 1244 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols); 1245 SUBR_CURSOR(ip, DRAW_CURSOR); 1246 } 1247 } 1248 1249 static __inline__ void 1250 ite_clrtobos(ip) 1251 struct ite_softc *ip; 1252 { 1253 ite_clrtobol(ip); 1254 if (ip->cury > 0) 1255 { 1256 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols); 1257 attrclr(ip, 0, 0, ip->cury, ip->cols); 1258 SUBR_CURSOR(ip, DRAW_CURSOR); 1259 } 1260 } 1261 1262 static __inline__ void 1263 ite_clrscreen(ip) 1264 struct ite_softc *ip; 1265 { 1266 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols); 1267 attrclr(ip, 0, 0, ip->rows, ip->cols); 1268 SUBR_CURSOR(ip, DRAW_CURSOR); 1269 } 1270 1271 1272 1273 static __inline__ void 1274 ite_dnline(ip, n) 1275 struct ite_softc *ip; 1276 int n; 1277 { 1278 /* interesting.. if the cursor is outside the scrolling 1279 region, this command is simply ignored.. */ 1280 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1281 return; 1282 1283 n = min(n, ip->bottom_margin + 1 - ip->cury); 1284 if (n <= ip->bottom_margin - ip->cury) 1285 { 1286 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP); 1287 attrmov(ip, ip->cury + n, 0, ip->cury, 0, 1288 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1289 } 1290 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1291 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1292 SUBR_CURSOR(ip, DRAW_CURSOR); 1293 } 1294 1295 static __inline__ void 1296 ite_inline(ip, n) 1297 struct ite_softc *ip; 1298 int n; 1299 { 1300 /* interesting.. if the cursor is outside the scrolling 1301 region, this command is simply ignored.. */ 1302 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1303 return; 1304 1305 n = min(n, ip->bottom_margin + 1 - ip->cury); 1306 if (n <= ip->bottom_margin - ip->cury) 1307 { 1308 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN); 1309 attrmov(ip, ip->cury, 0, ip->cury + n, 0, 1310 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1311 } 1312 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols); 1313 attrclr(ip, ip->cury, 0, n, ip->cols); 1314 SUBR_CURSOR(ip, DRAW_CURSOR); 1315 } 1316 1317 static __inline__ void 1318 ite_lf (ip) 1319 struct ite_softc *ip; 1320 { 1321 ++ip->cury; 1322 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows)) 1323 { 1324 ip->cury--; 1325 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1326 ite_clrline(ip); 1327 } 1328 SUBR_CURSOR(ip, MOVE_CURSOR); 1329 clr_attr(ip, ATTR_INV); 1330 } 1331 1332 static __inline__ void 1333 ite_crlf (ip) 1334 struct ite_softc *ip; 1335 { 1336 ip->curx = 0; 1337 ite_lf (ip); 1338 } 1339 1340 static __inline__ void 1341 ite_cr (ip) 1342 struct ite_softc *ip; 1343 { 1344 if (ip->curx) 1345 { 1346 ip->curx = 0; 1347 SUBR_CURSOR(ip, MOVE_CURSOR); 1348 } 1349 } 1350 1351 static __inline__ void 1352 ite_rlf (ip) 1353 struct ite_softc *ip; 1354 { 1355 ip->cury--; 1356 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1)) 1357 { 1358 ip->cury++; 1359 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN); 1360 ite_clrline(ip); 1361 } 1362 SUBR_CURSOR(ip, MOVE_CURSOR); 1363 clr_attr(ip, ATTR_INV); 1364 } 1365 1366 static __inline__ int 1367 atoi (cp) 1368 const char *cp; 1369 { 1370 int n; 1371 1372 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1373 n = n * 10 + *cp - '0'; 1374 1375 return n; 1376 } 1377 1378 static char * 1379 index (cp, ch) 1380 const char *cp; 1381 int ch; 1382 { 1383 while (*cp && *cp != ch) cp++; 1384 return *cp ? (char *) cp : 0; 1385 } 1386 1387 1388 static __inline__ int 1389 ite_argnum (ip) 1390 struct ite_softc *ip; 1391 { 1392 char ch; 1393 int n; 1394 1395 /* convert argument string into number */ 1396 if (ip->ap == ip->argbuf) 1397 return 1; 1398 ch = *ip->ap; 1399 *ip->ap = 0; 1400 n = atoi (ip->argbuf); 1401 *ip->ap = ch; 1402 1403 return n; 1404 } 1405 1406 static __inline__ int 1407 ite_zargnum (ip) 1408 struct ite_softc *ip; 1409 { 1410 char ch; 1411 int n; 1412 1413 /* convert argument string into number */ 1414 if (ip->ap == ip->argbuf) 1415 return 0; 1416 ch = *ip->ap; 1417 *ip->ap = 0; 1418 n = atoi (ip->argbuf); 1419 *ip->ap = ch; 1420 1421 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1422 } 1423 1424 void 1425 ite_putstr(s, len, dev) 1426 const u_char *s; 1427 int len; 1428 dev_t dev; 1429 { 1430 struct ite_softc *ip; 1431 int i; 1432 1433 ip = getitesp(dev); 1434 1435 /* XXX avoid problems */ 1436 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1437 return; 1438 1439 SUBR_CURSOR(ip, START_CURSOROPT); 1440 for (i = 0; i < len; i++) 1441 if (s[i]) 1442 iteputchar(s[i], ip); 1443 SUBR_CURSOR(ip, END_CURSOROPT); 1444 } 1445 1446 1447 void 1448 iteputchar(c, ip) 1449 register int c; 1450 struct ite_softc *ip; 1451 { 1452 struct tty *kbd_tty; 1453 int n, x, y; 1454 char *cp; 1455 1456 if (kbd_ite == NULL) 1457 kbd_tty = NULL; 1458 else 1459 kbd_tty = kbd_ite->tp; 1460 1461 if (ip->escape) 1462 { 1463 switch (ip->escape) 1464 { 1465 case ESC: 1466 switch (c) 1467 { 1468 /* first 7bit equivalents for the 8bit control characters */ 1469 1470 case 'D': 1471 c = IND; 1472 ip->escape = 0; 1473 break; /* and fall into the next switch below (same for all `break') */ 1474 1475 case 'E': 1476 c = NEL; 1477 ip->escape = 0; 1478 break; 1479 1480 case 'H': 1481 c = HTS; 1482 ip->escape = 0; 1483 break; 1484 1485 case 'M': 1486 c = RI; 1487 ip->escape = 0; 1488 break; 1489 1490 case 'N': 1491 c = SS2; 1492 ip->escape = 0; 1493 break; 1494 1495 case 'O': 1496 c = SS3; 1497 ip->escape = 0; 1498 break; 1499 1500 case 'P': 1501 c = DCS; 1502 ip->escape = 0; 1503 break; 1504 1505 case '[': 1506 c = CSI; 1507 ip->escape = 0; 1508 break; 1509 1510 case '\\': 1511 c = ST; 1512 ip->escape = 0; 1513 break; 1514 1515 case ']': 1516 c = OSC; 1517 ip->escape = 0; 1518 break; 1519 1520 case '^': 1521 c = PM; 1522 ip->escape = 0; 1523 break; 1524 1525 case '_': 1526 c = APC; 1527 ip->escape = 0; 1528 break; 1529 1530 1531 /* introduces 7/8bit control */ 1532 case ' ': 1533 /* can be followed by either F or G */ 1534 ip->escape = ' '; 1535 break; 1536 1537 1538 /* a lot of character set selections, not yet used... 1539 94-character sets: */ 1540 case '(': /* G0 */ 1541 case ')': /* G1 */ 1542 ip->escape = c; 1543 return; 1544 1545 case '*': /* G2 */ 1546 case '+': /* G3 */ 1547 case 'B': /* ASCII */ 1548 case 'A': /* ISO latin 1 */ 1549 case '<': /* user preferred suplemental */ 1550 case '0': /* dec special graphics */ 1551 1552 /* 96-character sets: */ 1553 case '-': /* G1 */ 1554 case '.': /* G2 */ 1555 case '/': /* G3 */ 1556 1557 /* national character sets: */ 1558 case '4': /* dutch */ 1559 case '5': 1560 case 'C': /* finnish */ 1561 case 'R': /* french */ 1562 case 'Q': /* french canadian */ 1563 case 'K': /* german */ 1564 case 'Y': /* italian */ 1565 case '6': /* norwegian/danish */ 1566 /* note: %5 and %6 are not supported (two chars..) */ 1567 1568 ip->escape = 0; 1569 /* just ignore for now */ 1570 return; 1571 1572 1573 /* locking shift modes (as you might guess, not yet supported..) */ 1574 case '`': 1575 ip->GR = ip->G1; 1576 ip->escape = 0; 1577 return; 1578 1579 case 'n': 1580 ip->GL = ip->G2; 1581 ip->escape = 0; 1582 return; 1583 1584 case '}': 1585 ip->GR = ip->G2; 1586 ip->escape = 0; 1587 return; 1588 1589 case 'o': 1590 ip->GL = ip->G3; 1591 ip->escape = 0; 1592 return; 1593 1594 case '|': 1595 ip->GR = ip->G3; 1596 ip->escape = 0; 1597 return; 1598 1599 1600 /* font width/height control */ 1601 case '#': 1602 ip->escape = '#'; 1603 return; 1604 1605 1606 /* hard terminal reset .. */ 1607 case 'c': 1608 ite_reset (ip); 1609 SUBR_CURSOR(ip, MOVE_CURSOR); 1610 ip->escape = 0; 1611 return; 1612 1613 1614 case '7': 1615 ip->save_curx = ip->curx; 1616 ip->save_cury = ip->cury; 1617 ip->save_attribute = ip->attribute; 1618 ip->escape = 0; 1619 return; 1620 1621 case '8': 1622 ip->curx = ip->save_curx; 1623 ip->cury = ip->save_cury; 1624 ip->attribute = ip->save_attribute; 1625 SUBR_CURSOR(ip, MOVE_CURSOR); 1626 ip->escape = 0; 1627 return; 1628 1629 case '=': 1630 ip->keypad_appmode = 1; 1631 ip->escape = 0; 1632 return; 1633 1634 case '>': 1635 ip->keypad_appmode = 0; 1636 ip->escape = 0; 1637 return; 1638 1639 case 'Z': /* request ID */ 1640 if (ip->emul_level == EMUL_VT100) 1641 ite_sendstr ("\033[?61;0c"); /* XXX not clean */ 1642 else 1643 ite_sendstr ("\033[?63;0c"); /* XXX not clean */ 1644 ip->escape = 0; 1645 return; 1646 1647 /* default catch all for not recognized ESC sequences */ 1648 default: 1649 ip->escape = 0; 1650 return; 1651 } 1652 break; 1653 1654 1655 case '(': 1656 case ')': 1657 ip->escape = 0; 1658 return; 1659 1660 1661 case ' ': 1662 switch (c) 1663 { 1664 case 'F': 1665 ip->eightbit_C1 = 0; 1666 ip->escape = 0; 1667 return; 1668 1669 case 'G': 1670 ip->eightbit_C1 = 1; 1671 ip->escape = 0; 1672 return; 1673 1674 default: 1675 /* not supported */ 1676 ip->escape = 0; 1677 return; 1678 } 1679 break; 1680 1681 1682 case '#': 1683 switch (c) 1684 { 1685 case '5': 1686 /* single height, single width */ 1687 ip->escape = 0; 1688 return; 1689 1690 case '6': 1691 /* double width, single height */ 1692 ip->escape = 0; 1693 return; 1694 1695 case '3': 1696 /* top half */ 1697 ip->escape = 0; 1698 return; 1699 1700 case '4': 1701 /* bottom half */ 1702 ip->escape = 0; 1703 return; 1704 1705 case '8': 1706 /* screen alignment pattern... */ 1707 alignment_display (ip); 1708 ip->escape = 0; 1709 return; 1710 1711 default: 1712 ip->escape = 0; 1713 return; 1714 } 1715 break; 1716 1717 1718 1719 case CSI: 1720 /* the biggie... */ 1721 switch (c) 1722 { 1723 case '0': case '1': case '2': case '3': case '4': 1724 case '5': case '6': case '7': case '8': case '9': 1725 case ';': case '\"': case '$': case '>': 1726 if (ip->ap < ip->argbuf + MAX_ARGSIZE) 1727 *ip->ap++ = c; 1728 return; 1729 1730 case BS: 1731 /* you wouldn't believe such perversion is possible? 1732 it is.. BS is allowed in between cursor sequences 1733 (at least), according to vttest.. */ 1734 if (--ip->curx < 0) 1735 ip->curx = 0; 1736 else 1737 SUBR_CURSOR(ip, MOVE_CURSOR); 1738 break; 1739 1740 case 'p': 1741 *ip->ap = 0; 1742 if (! strncmp (ip->argbuf, "61\"", 3)) 1743 ip->emul_level = EMUL_VT100; 1744 else if (! strncmp (ip->argbuf, "63;1\"", 5) 1745 || ! strncmp (ip->argbuf, "62;1\"", 5)) 1746 ip->emul_level = EMUL_VT300_7; 1747 else 1748 ip->emul_level = EMUL_VT300_8; 1749 ip->escape = 0; 1750 return; 1751 1752 1753 case '?': 1754 *ip->ap = 0; 1755 ip->escape = '?'; 1756 ip->ap = ip->argbuf; 1757 return; 1758 1759 1760 case 'c': 1761 *ip->ap = 0; 1762 if (ip->argbuf[0] == '>') 1763 { 1764 ite_sendstr ("\033[>24;0;0;0c"); 1765 } 1766 else switch (ite_zargnum(ip)) 1767 { 1768 case 0: 1769 /* primary DA request, send primary DA response */ 1770 if (ip->emul_level == EMUL_VT100) 1771 ite_sendstr ("\033[?1;1c"); 1772 else 1773 ite_sendstr ("\033[?63;1c"); 1774 break; 1775 } 1776 ip->escape = 0; 1777 return; 1778 1779 case 'n': 1780 switch (ite_zargnum(ip)) 1781 { 1782 case 5: 1783 ite_sendstr ("\033[0n"); /* no malfunction */ 1784 break; 1785 case 6: 1786 /* cursor position report */ 1787 sprintf (ip->argbuf, "\033[%d;%dR", 1788 ip->cury + 1, ip->curx + 1); 1789 ite_sendstr (ip->argbuf); 1790 break; 1791 } 1792 ip->escape = 0; 1793 return; 1794 1795 1796 case 'x': 1797 switch (ite_zargnum(ip)) 1798 { 1799 case 0: 1800 /* Fake some terminal parameters. */ 1801 ite_sendstr ("\033[2;1;1;112;112;1;0x"); 1802 break; 1803 case 1: 1804 ite_sendstr ("\033[3;1;1;112;112;1;0x"); 1805 break; 1806 } 1807 ip->escape = 0; 1808 return; 1809 1810 1811 case 'g': 1812 switch (ite_zargnum(ip)) 1813 { 1814 case 0: 1815 if (ip->curx < ip->cols) 1816 ip->tabs[ip->curx] = 0; 1817 break; 1818 case 3: 1819 for (n = 0; n < ip->cols; n++) 1820 ip->tabs[n] = 0; 1821 break; 1822 } 1823 ip->escape = 0; 1824 return; 1825 1826 1827 case 'h': case 'l': 1828 n = ite_zargnum (ip); 1829 switch (n) 1830 { 1831 case 4: 1832 ip->imode = (c == 'h'); /* insert/replace mode */ 1833 break; 1834 case 20: 1835 ip->linefeed_newline = (c == 'h'); 1836 break; 1837 } 1838 ip->escape = 0; 1839 return; 1840 1841 1842 case 'M': 1843 ite_dnline (ip, ite_argnum (ip)); 1844 ip->escape = 0; 1845 return; 1846 1847 1848 case 'L': 1849 ite_inline (ip, ite_argnum (ip)); 1850 ip->escape = 0; 1851 return; 1852 1853 1854 case 'P': 1855 ite_dnchar (ip, ite_argnum (ip)); 1856 ip->escape = 0; 1857 return; 1858 1859 1860 case '@': 1861 ite_inchar (ip, ite_argnum (ip)); 1862 ip->escape = 0; 1863 return; 1864 1865 1866 case 'G': 1867 /* this one was *not* in my vt320 manual but in 1868 a vt320 termcap entry.. who is right? 1869 It's supposed to set the horizontal cursor position. */ 1870 *ip->ap = 0; 1871 x = atoi (ip->argbuf); 1872 if (x) x--; 1873 ip->curx = min(x, ip->cols - 1); 1874 ip->escape = 0; 1875 SUBR_CURSOR(ip, MOVE_CURSOR); 1876 clr_attr (ip, ATTR_INV); 1877 return; 1878 1879 1880 case 'd': 1881 /* same thing here, this one's for setting the absolute 1882 vertical cursor position. Not documented... */ 1883 *ip->ap = 0; 1884 y = atoi (ip->argbuf); 1885 if (y) y--; 1886 if (ip->inside_margins) 1887 y += ip->top_margin; 1888 ip->cury = min(y, ip->rows - 1); 1889 ip->escape = 0; 1890 snap_cury(ip); 1891 SUBR_CURSOR(ip, MOVE_CURSOR); 1892 clr_attr (ip, ATTR_INV); 1893 return; 1894 1895 1896 case 'H': 1897 case 'f': 1898 *ip->ap = 0; 1899 y = atoi (ip->argbuf); 1900 x = 0; 1901 cp = index (ip->argbuf, ';'); 1902 if (cp) 1903 x = atoi (cp + 1); 1904 if (x) x--; 1905 if (y) y--; 1906 if (ip->inside_margins) 1907 y += ip->top_margin; 1908 ip->cury = min(y, ip->rows - 1); 1909 ip->curx = min(x, ip->cols - 1); 1910 ip->escape = 0; 1911 snap_cury(ip); 1912 SUBR_CURSOR(ip, MOVE_CURSOR); 1913 clr_attr (ip, ATTR_INV); 1914 return; 1915 1916 case 'A': 1917 n = ite_argnum (ip); 1918 n = ip->cury - (n ? n : 1); 1919 if (n < 0) n = 0; 1920 if (ip->inside_margins) 1921 n = max(ip->top_margin, n); 1922 else if (n == ip->top_margin - 1) 1923 /* allow scrolling outside region, but don't scroll out 1924 of active region without explicit CUP */ 1925 n = ip->top_margin; 1926 ip->cury = n; 1927 ip->escape = 0; 1928 SUBR_CURSOR(ip, MOVE_CURSOR); 1929 clr_attr (ip, ATTR_INV); 1930 return; 1931 1932 case 'B': 1933 n = ite_argnum (ip); 1934 n = ip->cury + (n ? n : 1); 1935 n = min(ip->rows - 1, n); 1936 if (ip->inside_margins) 1937 n = min(ip->bottom_margin, n); 1938 else if (n == ip->bottom_margin + 1) 1939 /* allow scrolling outside region, but don't scroll out 1940 of active region without explicit CUP */ 1941 n = ip->bottom_margin; 1942 ip->cury = n; 1943 ip->escape = 0; 1944 SUBR_CURSOR(ip, MOVE_CURSOR); 1945 clr_attr (ip, ATTR_INV); 1946 return; 1947 1948 case 'C': 1949 n = ite_argnum (ip); 1950 n = n ? n : 1; 1951 ip->curx = min(ip->curx + n, ip->cols - 1); 1952 ip->escape = 0; 1953 SUBR_CURSOR(ip, MOVE_CURSOR); 1954 clr_attr (ip, ATTR_INV); 1955 return; 1956 1957 case 'D': 1958 n = ite_argnum (ip); 1959 n = n ? n : 1; 1960 n = ip->curx - n; 1961 ip->curx = n >= 0 ? n : 0; 1962 ip->escape = 0; 1963 SUBR_CURSOR(ip, MOVE_CURSOR); 1964 clr_attr (ip, ATTR_INV); 1965 return; 1966 1967 1968 1969 1970 case 'J': 1971 *ip->ap = 0; 1972 n = ite_zargnum (ip); 1973 if (n == 0) 1974 ite_clrtoeos(ip); 1975 else if (n == 1) 1976 ite_clrtobos(ip); 1977 else if (n == 2) 1978 ite_clrscreen(ip); 1979 ip->escape = 0; 1980 return; 1981 1982 1983 case 'K': 1984 n = ite_zargnum (ip); 1985 if (n == 0) 1986 ite_clrtoeol(ip); 1987 else if (n == 1) 1988 ite_clrtobol(ip); 1989 else if (n == 2) 1990 ite_clrline(ip); 1991 ip->escape = 0; 1992 return; 1993 1994 1995 case 'X': 1996 n = ite_argnum(ip) - 1; 1997 n = min(n, ip->cols - 1 - ip->curx); 1998 for (; n >= 0; n--) 1999 { 2000 attrclr(ip, ip->cury, ip->curx + n, 1, 1); 2001 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 2002 } 2003 ip->escape = 0; 2004 return; 2005 2006 2007 case '}': case '`': 2008 /* status line control */ 2009 ip->escape = 0; 2010 return; 2011 2012 2013 case 'r': 2014 *ip->ap = 0; 2015 x = atoi (ip->argbuf); 2016 x = x ? x : 1; 2017 y = ip->rows; 2018 cp = index (ip->argbuf, ';'); 2019 if (cp) 2020 { 2021 y = atoi (cp + 1); 2022 y = y ? y : ip->rows; 2023 } 2024 if (y - x < 2) 2025 { 2026 /* if illegal scrolling region, reset to defaults */ 2027 x = 1; 2028 y = ip->rows; 2029 } 2030 x--; 2031 y--; 2032 ip->top_margin = min(x, ip->rows - 1); 2033 ip->bottom_margin = min(y, ip->rows - 1); 2034 if (ip->inside_margins) 2035 { 2036 ip->cury = ip->top_margin; 2037 ip->curx = 0; 2038 SUBR_CURSOR(ip, MOVE_CURSOR); 2039 } 2040 ip->escape = 0; 2041 return; 2042 2043 2044 case 'm': 2045 /* big attribute setter/resetter */ 2046 { 2047 char *cp; 2048 *ip->ap = 0; 2049 /* kludge to make CSIm work (== CSI0m) */ 2050 if (ip->ap == ip->argbuf) 2051 ip->ap++; 2052 for (cp = ip->argbuf; cp < ip->ap; ) 2053 { 2054 switch (*cp) 2055 { 2056 case 0: 2057 case '0': 2058 clr_attr (ip, ATTR_ALL); 2059 cp++; 2060 break; 2061 2062 case '1': 2063 set_attr (ip, ATTR_BOLD); 2064 cp++; 2065 break; 2066 2067 case '2': 2068 switch (cp[1]) 2069 { 2070 case '2': 2071 clr_attr (ip, ATTR_BOLD); 2072 cp += 2; 2073 break; 2074 2075 case '4': 2076 clr_attr (ip, ATTR_UL); 2077 cp += 2; 2078 break; 2079 2080 case '5': 2081 clr_attr (ip, ATTR_BLINK); 2082 cp += 2; 2083 break; 2084 2085 case '7': 2086 clr_attr (ip, ATTR_INV); 2087 cp += 2; 2088 break; 2089 2090 default: 2091 cp++; 2092 break; 2093 } 2094 break; 2095 2096 case '4': 2097 set_attr (ip, ATTR_UL); 2098 cp++; 2099 break; 2100 2101 case '5': 2102 set_attr (ip, ATTR_BLINK); 2103 cp++; 2104 break; 2105 2106 case '7': 2107 set_attr (ip, ATTR_INV); 2108 cp++; 2109 break; 2110 2111 default: 2112 cp++; 2113 break; 2114 } 2115 } 2116 2117 } 2118 ip->escape = 0; 2119 return; 2120 2121 2122 case 'u': 2123 /* DECRQTSR */ 2124 ite_sendstr ("\033P\033\\"); 2125 ip->escape = 0; 2126 return; 2127 2128 2129 2130 default: 2131 ip->escape = 0; 2132 return; 2133 } 2134 break; 2135 2136 2137 2138 case '?': /* CSI ? */ 2139 switch (c) 2140 { 2141 case '0': case '1': case '2': case '3': case '4': 2142 case '5': case '6': case '7': case '8': case '9': 2143 case ';': case '\"': case '$': 2144 /* Don't fill the last character; it's needed. */ 2145 /* XXX yeah, where ?? */ 2146 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1) 2147 *ip->ap++ = c; 2148 return; 2149 2150 2151 case 'n': 2152 *ip->ap = 0; 2153 if (ip->ap == &ip->argbuf[2]) 2154 { 2155 if (! strncmp (ip->argbuf, "15", 2)) 2156 /* printer status: no printer */ 2157 ite_sendstr ("\033[13n"); 2158 2159 else if (! strncmp (ip->argbuf, "25", 2)) 2160 /* udk status */ 2161 ite_sendstr ("\033[20n"); 2162 2163 else if (! strncmp (ip->argbuf, "26", 2)) 2164 /* keyboard dialect: US */ 2165 ite_sendstr ("\033[27;1n"); 2166 } 2167 ip->escape = 0; 2168 return; 2169 2170 2171 case 'h': case 'l': 2172 n = ite_zargnum (ip); 2173 switch (n) 2174 { 2175 case 1: 2176 ip->cursor_appmode = (c == 'h'); 2177 break; 2178 2179 case 3: 2180 /* 132/80 columns (132 == 'h') */ 2181 break; 2182 2183 case 4: /* smooth scroll */ 2184 break; 2185 2186 case 5: 2187 /* light background (=='h') /dark background(=='l') */ 2188 break; 2189 2190 case 6: /* origin mode */ 2191 ip->inside_margins = (c == 'h'); 2192 ip->curx = 0; 2193 ip->cury = ip->inside_margins ? ip->top_margin : 0; 2194 SUBR_CURSOR(ip, MOVE_CURSOR); 2195 break; 2196 2197 case 7: /* auto wraparound */ 2198 ip->auto_wrap = (c == 'h'); 2199 break; 2200 2201 case 8: /* keyboard repeat */ 2202 ip->key_repeat = (c == 'h'); 2203 break; 2204 2205 case 20: /* newline mode */ 2206 ip->linefeed_newline = (c == 'h'); 2207 break; 2208 2209 case 25: /* cursor on/off */ 2210 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR); 2211 break; 2212 } 2213 ip->escape = 0; 2214 return; 2215 2216 default: 2217 ip->escape = 0; 2218 return; 2219 } 2220 break; 2221 2222 2223 default: 2224 ip->escape = 0; 2225 return; 2226 } 2227 } 2228 2229 switch (c) { 2230 2231 case VT: /* VT is treated like LF */ 2232 case FF: /* so is FF */ 2233 case LF: 2234 /* cr->crlf distinction is done here, on output, 2235 not on input! */ 2236 if (ip->linefeed_newline) 2237 ite_crlf (ip); 2238 else 2239 ite_lf (ip); 2240 break; 2241 2242 case CR: 2243 ite_cr (ip); 2244 break; 2245 2246 case BS: 2247 if (--ip->curx < 0) 2248 ip->curx = 0; 2249 else 2250 SUBR_CURSOR(ip, MOVE_CURSOR); 2251 break; 2252 2253 case HT: 2254 for (n = ip->curx + 1; n < ip->cols; n++) { 2255 if (ip->tabs[n]) { 2256 ip->curx = n; 2257 SUBR_CURSOR(ip, MOVE_CURSOR); 2258 break; 2259 } 2260 } 2261 break; 2262 2263 case BEL: 2264 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty) 2265 kbdbell(); 2266 break; 2267 2268 case SO: 2269 ip->GL = ip->G1; 2270 break; 2271 2272 case SI: 2273 ip->GL = ip->G0; 2274 break; 2275 2276 case ENQ: 2277 /* send answer-back message !! */ 2278 break; 2279 2280 case CAN: 2281 ip->escape = 0; /* cancel any escape sequence in progress */ 2282 break; 2283 2284 case SUB: 2285 ip->escape = 0; /* dito, but see below */ 2286 /* should also display a reverse question mark!! */ 2287 break; 2288 2289 case ESC: 2290 ip->escape = ESC; 2291 break; 2292 2293 2294 /* now it gets weird.. 8bit control sequences.. */ 2295 case IND: /* index: move cursor down, scroll */ 2296 ite_lf (ip); 2297 break; 2298 2299 case NEL: /* next line. next line, first pos. */ 2300 ite_crlf (ip); 2301 break; 2302 2303 case HTS: /* set horizontal tab */ 2304 if (ip->curx < ip->cols) 2305 ip->tabs[ip->curx] = 1; 2306 break; 2307 2308 case RI: /* reverse index */ 2309 ite_rlf (ip); 2310 break; 2311 2312 case SS2: /* go into G2 for one character */ 2313 /* not yet supported */ 2314 break; 2315 2316 case SS3: /* go into G3 for one character */ 2317 break; 2318 2319 case DCS: /* device control string introducer */ 2320 ip->escape = DCS; 2321 ip->ap = ip->argbuf; 2322 break; 2323 2324 case CSI: /* control sequence introducer */ 2325 ip->escape = CSI; 2326 ip->ap = ip->argbuf; 2327 break; 2328 2329 case ST: /* string terminator */ 2330 /* ignore, if not used as terminator */ 2331 break; 2332 2333 case OSC: /* introduces OS command. Ignore everything upto ST */ 2334 ip->escape = OSC; 2335 break; 2336 2337 case PM: /* privacy message, ignore everything upto ST */ 2338 ip->escape = PM; 2339 break; 2340 2341 case APC: /* application program command, ignore everything upto ST */ 2342 ip->escape = APC; 2343 break; 2344 2345 default: 2346 if (c < ' ' || c == DEL) 2347 break; 2348 if (ip->imode) 2349 ite_inchar(ip, 1); 2350 iteprecheckwrap(ip); 2351 #ifdef DO_WEIRD_ATTRIBUTES 2352 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) { 2353 attrset(ip, ATTR_INV); 2354 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV); 2355 } 2356 else 2357 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR); 2358 #else 2359 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute); 2360 #endif 2361 SUBR_CURSOR(ip, DRAW_CURSOR); 2362 itecheckwrap(ip); 2363 break; 2364 } 2365 } 2366 2367 static void 2368 iteprecheckwrap(ip) 2369 struct ite_softc *ip; 2370 { 2371 if (ip->auto_wrap && ip->curx == ip->cols) { 2372 ip->curx = 0; 2373 clr_attr(ip, ATTR_INV); 2374 if (++ip->cury >= ip->bottom_margin + 1) { 2375 ip->cury = ip->bottom_margin; 2376 SUBR_CURSOR(ip, MOVE_CURSOR); 2377 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 2378 ite_clrtoeol(ip); 2379 } else 2380 SUBR_CURSOR(ip, MOVE_CURSOR); 2381 } 2382 } 2383 2384 static void 2385 itecheckwrap(ip) 2386 struct ite_softc *ip; 2387 { 2388 if (ip->curx < ip->cols) { 2389 ip->curx++; 2390 SUBR_CURSOR(ip, MOVE_CURSOR); 2391 } 2392 } 2393
Indexes created Tue Sep 23 01:09:51 GMT 2025