wsemul_vt100_subr.c revision 1.2
1 /* $NetBSD: wsemul_vt100_subr.c,v 1.2 1998/06/26 21:20:34 drochner Exp $ */ 2 3 /* 4 * Copyright (c) 1998 5 * Matthias Drochner. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the NetBSD Project 18 * by Matthias Drochner. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 38 #include <dev/wscons/wsksymvar.h> 39 #include <dev/wscons/wsdisplayvar.h> 40 #include <dev/wscons/wsemulvar.h> 41 #include <dev/wscons/wsemul_vt100var.h> 42 43 static int vt100_selectattribute __P((struct wsemul_vt100_emuldata *, 44 int, int, int, long *)); 45 static int vt100_ansimode __P((struct wsemul_vt100_emuldata *, int, int)); 46 static int vt100_decmode __P((struct wsemul_vt100_emuldata *, int, int)); 47 #define VTMODE_SET 33 48 #define VTMODE_RESET 44 49 #define VTMODE_REPORT 55 50 51 /* 52 * scroll up within scrolling region 53 */ 54 void 55 wsemul_vt100_scrollup(edp, n) 56 struct wsemul_vt100_emuldata *edp; 57 int n; 58 { 59 int help; 60 61 if (n > edp->scrreg_nrows) 62 n = edp->scrreg_nrows; 63 64 help = edp->scrreg_nrows - n; 65 if (help > 0) { 66 (*edp->emulops->copyrows)(edp->emulcookie, 67 edp->scrreg_startrow + n, 68 edp->scrreg_startrow, 69 help); 70 if (edp->dblwid) 71 bcopy(&edp->dblwid[edp->scrreg_startrow + n], 72 &edp->dblwid[edp->scrreg_startrow], 73 help); 74 } 75 (*edp->emulops->eraserows)(edp->emulcookie, 76 edp->scrreg_startrow + help, n, 77 edp->defattr); 78 if (edp->dblwid) 79 bzero(&edp->dblwid[edp->scrreg_startrow + help], n); 80 CHECK_DW; 81 } 82 83 /* 84 * scroll down within scrolling region 85 */ 86 void 87 wsemul_vt100_scrolldown(edp, n) 88 struct wsemul_vt100_emuldata *edp; 89 int n; 90 { 91 int help; 92 93 if (n > edp->scrreg_nrows) 94 n = edp->scrreg_nrows; 95 96 help = edp->scrreg_nrows - n; 97 if (help > 0) { 98 (*edp->emulops->copyrows)(edp->emulcookie, 99 edp->scrreg_startrow, 100 edp->scrreg_startrow + n, 101 help); 102 if (edp->dblwid) 103 bcopy(&edp->dblwid[edp->scrreg_startrow], 104 &edp->dblwid[edp->scrreg_startrow + n], 105 help); 106 } 107 (*edp->emulops->eraserows)(edp->emulcookie, 108 edp->scrreg_startrow, n, 109 edp->defattr); 110 if (edp->dblwid) 111 bzero(&edp->dblwid[edp->scrreg_startrow], n); 112 CHECK_DW; 113 } 114 115 /* 116 * erase in display 117 */ 118 void 119 wsemul_vt100_ed(edp, arg) 120 struct wsemul_vt100_emuldata *edp; 121 int arg; 122 { 123 int n; 124 125 switch (arg) { 126 case 0: /* cursor to end */ 127 ERASECOLS(edp->ccol, COLS_LEFT + 1, edp->defattr); 128 n = edp->nrows - edp->crow - 1; 129 if (n > 0) { 130 (*edp->emulops->eraserows)(edp->emulcookie, 131 edp->crow + 1, n, 132 edp->defattr); 133 if (edp->dblwid) 134 bzero(&edp->dblwid[edp->crow + 1], n); 135 } 136 break; 137 case 1: /* beginning to cursor */ 138 if (edp->crow > 0) { 139 (*edp->emulops->eraserows)(edp->emulcookie, 140 0, edp->crow, 141 edp->defattr); 142 if (edp->dblwid) 143 bzero(&edp->dblwid[0], edp->crow); 144 } 145 ERASECOLS(0, edp->ccol + 1, edp->defattr); 146 break; 147 case 2: /* complete display */ 148 (*edp->emulops->eraserows)(edp->emulcookie, 149 0, edp->nrows, 150 edp->defattr); 151 if (edp->dblwid) 152 bzero(&edp->dblwid[0], edp->nrows); 153 break; 154 default: 155 #ifdef VT100_PRINTUNKNOWN 156 printf("ed(%d) unknown\n", arg); 157 #endif 158 break; 159 } 160 CHECK_DW; 161 } 162 163 /* 164 * erase in line 165 */ 166 void 167 wsemul_vt100_el(edp, arg) 168 struct wsemul_vt100_emuldata *edp; 169 int arg; 170 { 171 switch (arg) { 172 case 0: /* cursor to end */ 173 ERASECOLS(edp->ccol, COLS_LEFT + 1, edp->defattr); 174 break; 175 case 1: /* beginning to cursor */ 176 ERASECOLS(0, edp->ccol + 1, edp->defattr); 177 break; 178 case 2: /* complete line */ 179 (*edp->emulops->erasecols)(edp->emulcookie, edp->crow, 180 0, edp->ncols, 181 edp->defattr); 182 break; 183 default: 184 #ifdef VT100_PRINTUNKNOWN 185 printf("el(%d) unknown\n", arg); 186 #endif 187 break; 188 } 189 } 190 191 /* 192 * handle commands after CSI (ESC[) 193 */ 194 void 195 wsemul_vt100_handle_csi(edp, c) 196 struct wsemul_vt100_emuldata *edp; 197 u_char c; 198 { 199 int n, help, flags, fgcol, bgcol; 200 long attr; 201 202 #define A3(a, b, c) (((a) << 16) | ((b) << 8) | (c)) 203 switch (A3(edp->modif1, edp->modif2, c)) { 204 case A3('>', '\0', 'c'): /* DA secondary */ 205 wsdisplay_emulinput(edp->cbcookie, WSEMUL_VT_ID2, 206 sizeof(WSEMUL_VT_ID2)); 207 break; 208 209 case A3('\0', '\0', 'J'): /* ED selective erase in display */ 210 case A3('?', '\0', 'J'): /* DECSED selective erase in display */ 211 wsemul_vt100_ed(edp, ARG(0)); 212 break; 213 case A3('\0', '\0', 'K'): /* EL selective erase in line */ 214 case A3('?', '\0', 'K'): /* DECSEL selective erase in line */ 215 wsemul_vt100_el(edp, ARG(0)); 216 break; 217 case A3('\0', '\0', 'h'): /* SM */ 218 for (n = 0; n < edp->nargs; n++) 219 vt100_ansimode(edp, ARG(n), VTMODE_SET); 220 break; 221 case A3('?', '\0', 'h'): /* DECSM */ 222 for (n = 0; n < edp->nargs; n++) 223 vt100_decmode(edp, ARG(n), VTMODE_SET); 224 break; 225 case A3('\0', '\0', 'l'): /* RM */ 226 for (n = 0; n < edp->nargs; n++) 227 vt100_ansimode(edp, ARG(n), VTMODE_RESET); 228 break;; 229 case A3('?', '\0', 'l'): /* DECRM */ 230 for (n = 0; n < edp->nargs; n++) 231 vt100_decmode(edp, ARG(n), VTMODE_RESET); 232 break;; 233 case A3('\0', '$', 'p'): /* DECRQM request mode ANSI */ 234 vt100_ansimode(edp, ARG(0), VTMODE_REPORT); 235 break; 236 case A3('?', '$', 'p'): /* DECRQM request mode DEC */ 237 vt100_decmode(edp, ARG(0), VTMODE_REPORT); 238 break; 239 case A3('\0', '\0', 'i'): /* MC printer controller mode */ 240 case A3('?', '\0', 'i'): /* MC printer controller mode */ 241 switch (ARG(0)) { 242 case 0: /* print screen */ 243 case 1: /* print cursor line */ 244 case 4: /* off */ 245 case 5: /* on */ 246 #ifdef VT100_PRINTNOTIMPL 247 printf("CSI%di ignored\n", ARG(0)); 248 #endif 249 break; 250 default: 251 #ifdef VT100_PRINTUNKNOWN 252 printf("CSI%di unknown\n", ARG(0)); 253 #endif 254 break; 255 } 256 break; 257 258 #define A2(a, b) (((a) << 8) | (b)) 259 case A2('!', 'p'): /* DECSTR soft reset VT300 only */ 260 wsemul_vt100_reset(edp); 261 break; 262 263 case A2('"', 'p'): /* DECSCL */ 264 switch (ARG(0)) { 265 case 61: /* VT100 mode (no further arguments!) */ 266 break; 267 case 62: 268 case 63: /* VT300 mode */ 269 break; 270 default: 271 #ifdef VT100_PRINTUNKNOWN 272 printf("CSI%d\"p unknown\n", ARG(0)); 273 #endif 274 break; 275 } 276 switch (ARG(1)) { 277 case 0: 278 case 2: /* 8-bit controls */ 279 #ifdef VT100_PRINTNOTIMPL 280 printf("CSI%d;%d\"p ignored\n", ARG(0), ARG(1)); 281 #endif 282 break; 283 case 1: /* 7-bit controls */ 284 break; 285 default: 286 #ifdef VT100_PRINTUNKNOWN 287 printf("CSI%d;%d\"p unknown\n", ARG(0), ARG(1)); 288 #endif 289 break; 290 } 291 break; 292 case A2('"', 'q'): /* DECSCA select character attribute VT300 */ 293 switch (ARG(0)) { 294 case 0: 295 case 1: /* erasable */ 296 break; 297 case 2: /* not erasable */ 298 #ifdef VT100_PRINTNOTIMPL 299 printf("CSI2\"q ignored\n"); 300 #endif 301 break; 302 default: 303 #ifdef VT100_PRINTUNKNOWN 304 printf("CSI%d\"q unknown\n", ARG(0)); 305 #endif 306 break; 307 } 308 break; 309 310 case A2('$', 'u'): /* DECRQTSR request terminal status report */ 311 switch (ARG(0)) { 312 case 0: /* ignored */ 313 break; 314 case 1: /* terminal state report */ 315 #ifdef VT100_PRINTNOTIMPL 316 printf("CSI1$u ignored\n"); 317 #endif 318 break; 319 default: 320 #ifdef VT100_PRINTUNKNOWN 321 printf("CSI%d$u unknown\n", ARG(0)); 322 #endif 323 break; 324 } 325 break; 326 case A2('$', 'w'): /* DECRQPSR request presentation status report 327 (VT300 only) */ 328 switch (ARG(0)) { 329 case 0: /* error */ 330 break; 331 case 1: /* cursor information report */ 332 #ifdef VT100_PRINTNOTIMPL 333 printf("CSI1$w ignored\n"); 334 #endif 335 break; 336 case 2: /* tab stop report */ 337 { 338 int i, n; 339 char buf[20]; 340 KASSERT(edp->tabs != 0); 341 wsdisplay_emulinput(edp->cbcookie, "\033P2$u", 5); 342 for (i = 0; i < edp->ncols; i++) 343 if (edp->tabs[i]) { 344 n = sprintf(buf, "%s%d", 345 (i ? "/" : ""), i + 1); 346 wsdisplay_emulinput(edp->cbcookie, 347 buf, n); 348 } 349 } 350 wsdisplay_emulinput(edp->cbcookie, "\033\\", 2); 351 break; 352 default: 353 #ifdef VT100_PRINTUNKNOWN 354 printf("CSI%d$w unknown\n", ARG(0)); 355 #endif 356 break; 357 } 358 break; 359 case A2('$', '}'): /* DECSASD select active status display */ 360 switch (ARG(0)) { 361 case 0: /* main display */ 362 case 1: /* status line */ 363 #ifdef VT100_PRINTNOTIMPL 364 printf("CSI%d$} ignored\n", ARG(0)); 365 #endif 366 break; 367 default: 368 #ifdef VT100_PRINTUNKNOWN 369 printf("CSI%d$} unknown\n", ARG(0)); 370 #endif 371 break; 372 } 373 break; 374 case A2('$', '~'): /* DECSSDD select status line type */ 375 switch (ARG(0)) { 376 case 0: /* none */ 377 case 1: /* indicator */ 378 case 2: /* host-writable */ 379 #ifdef VT100_PRINTNOTIMPL 380 printf("CSI%d$~ ignored\n", ARG(0)); 381 #endif 382 break; 383 default: 384 #ifdef VT100_PRINTUNKNOWN 385 printf("CSI%d$~ unknown\n", ARG(0)); 386 #endif 387 break; 388 } 389 break; 390 391 case A2('&', 'u'): /* DECRQUPSS request user preferred 392 supplemental set */ 393 wsdisplay_emulinput(edp->emulcookie, "\033P0!u%5\033\\", 9); 394 break; 395 396 case '@': /* ICH insert character VT300 only */ 397 n = min(DEF1_ARG(0), COLS_LEFT + 1); 398 help = NCOLS - (edp->ccol + n); 399 if (help > 0) 400 COPYCOLS(edp->ccol, edp->ccol + n, help); 401 ERASECOLS(edp->ccol, n, edp->defattr); 402 break; 403 case 'A': /* CUU */ 404 edp->crow -= min(DEF1_ARG(0), ROWS_ABOVE); 405 CHECK_DW; 406 break; 407 case 'B': /* CUD */ 408 edp->crow += min(DEF1_ARG(0), ROWS_BELOW); 409 CHECK_DW; 410 break; 411 case 'C': /* CUF */ 412 edp->ccol += min(DEF1_ARG(0), COLS_LEFT); 413 break; 414 case 'D': /* CUB */ 415 edp->ccol -= min(DEF1_ARG(0), edp->ccol); 416 edp->flags &= ~VTFL_LASTCHAR; 417 break; 418 case 'H': /* CUP */ 419 case 'f': /* HVP */ 420 if (edp->flags & VTFL_DECOM) 421 edp->crow = edp->scrreg_startrow + 422 min(DEF1_ARG(0), edp->scrreg_nrows) - 1; 423 else 424 edp->crow = min(DEF1_ARG(0), edp->nrows) - 1; 425 CHECK_DW; 426 edp->ccol = min(DEF1_ARG(1), NCOLS) - 1; 427 edp->flags &= ~VTFL_LASTCHAR; 428 break; 429 case 'L': /* IL insert line */ 430 case 'M': /* DL delete line */ 431 n = min(DEF1_ARG(0), ROWS_BELOW + 1); 432 { 433 int savscrstartrow, savscrnrows; 434 savscrstartrow = edp->scrreg_startrow; 435 savscrnrows = edp->scrreg_nrows; 436 edp->scrreg_nrows -= ROWS_ABOVE; 437 edp->scrreg_startrow = edp->crow; 438 if (c == 'L') 439 wsemul_vt100_scrolldown(edp, n); 440 else 441 wsemul_vt100_scrollup(edp, n); 442 edp->scrreg_startrow = savscrstartrow; 443 edp->scrreg_nrows = savscrnrows; 444 } 445 break; 446 case 'P': /* DCH delete character */ 447 n = min(DEF1_ARG(0), COLS_LEFT + 1); 448 help = NCOLS - (edp->ccol + n); 449 if (help > 0) 450 COPYCOLS(edp->ccol + n, edp->ccol, help); 451 ERASECOLS(NCOLS - n, n, edp->defattr); 452 break; 453 case 'X': /* ECH erase character */ 454 n = min(DEF1_ARG(0), COLS_LEFT + 1); 455 ERASECOLS(edp->ccol, n, edp->defattr); 456 break; 457 case 'c': /* DA primary */ 458 if (ARG(0) == 0) 459 wsdisplay_emulinput(edp->cbcookie, WSEMUL_VT_ID1, 460 sizeof(WSEMUL_VT_ID1)); 461 break; 462 case 'g': /* TBC */ 463 KASSERT(edp->tabs != 0); 464 switch (ARG(0)) { 465 case 0: 466 edp->tabs[edp->ccol] = 0; 467 break; 468 case 3: 469 bzero(edp->tabs, edp->ncols); 470 break; 471 default: 472 #ifdef VT100_PRINTUNKNOWN 473 printf("CSI%dg unknown\n", ARG(0)); 474 #endif 475 break; 476 } 477 break; 478 case 'm': /* SGR select graphic rendition */ 479 flags = edp->attrflags; 480 fgcol = edp->fgcol; 481 bgcol = edp->bgcol; 482 for (n = 0; n < edp->nargs; n++) { 483 switch (ARG(n)) { 484 case 0: /* reset */ 485 attr = edp->defattr; 486 flags = 0; 487 fgcol = WSCOL_WHITE; 488 bgcol = WSCOL_BLACK; 489 if (n == edp->nargs - 1) { 490 edp->curattr = attr; 491 edp->attrflags = flags; 492 edp->fgcol = fgcol; 493 edp->bgcol = bgcol; 494 return; 495 } 496 break; 497 case 1: /* bold */ 498 flags |= WSATTR_HILIT; 499 break; 500 case 4: /* underline */ 501 flags |= WSATTR_UNDERLINE; 502 break; 503 case 5: /* blink */ 504 flags |= WSATTR_BLINK; 505 break; 506 case 7: /* reverse */ 507 flags |= WSATTR_REVERSE; 508 break; 509 case 22: /* ~bold VT300 only */ 510 flags &= ~WSATTR_HILIT; 511 break; 512 case 24: /* ~underline VT300 only */ 513 flags &= ~WSATTR_UNDERLINE; 514 break; 515 case 25: /* ~blink VT300 only */ 516 flags &= ~WSATTR_BLINK; 517 break; 518 case 27: /* ~reverse VT300 only */ 519 flags &= ~WSATTR_REVERSE; 520 break; 521 case 30: case 31: case 32: case 33: 522 case 34: case 35: case 36: case 37: 523 /* fg color */ 524 flags |= WSATTR_WSCOLORS; 525 fgcol = ARG(n) - 30; 526 break; 527 case 40: case 41: case 42: case 43: 528 case 44: case 45: case 46: case 47: 529 /* bg color */ 530 flags |= WSATTR_WSCOLORS; 531 bgcol = ARG(n) - 40; 532 break; 533 default: 534 #ifdef VT100_PRINTUNKNOWN 535 printf("CSI%dm unknown\n", ARG(n)); 536 #endif 537 } 538 } 539 if (vt100_selectattribute(edp, flags, fgcol, bgcol, &attr)) { 540 #ifdef VT100_DEBUG 541 printf("error allocating attr %d/%d/%x\n", 542 fgcol, bgcol, flags); 543 #endif 544 } else { 545 edp->curattr = attr; 546 edp->attrflags = flags; 547 edp->fgcol = fgcol; 548 edp->bgcol = bgcol; 549 } 550 break; 551 case 'n': /* reports */ 552 switch (ARG(0)) { 553 case 5: /* DSR operating status */ 554 /* 0 = OK, 3 = malfunction */ 555 wsdisplay_emulinput(edp->cbcookie, "\033[0n", 4); 556 break; 557 case 6: { /* DSR cursor position report */ 558 char buf[20]; 559 int row; 560 if (edp->flags & VTFL_DECOM) 561 row = ROWS_ABOVE; 562 else 563 row = edp->crow; 564 n = sprintf(buf, "\033[%d;%dR", 565 row + 1, edp->ccol + 1); 566 wsdisplay_emulinput(edp->cbcookie, buf, n); 567 } 568 break; 569 case 15: /* DSR printer status */ 570 /* 13 = no printer, 10 = ready, 11 = not ready */ 571 wsdisplay_emulinput(edp->cbcookie, "\033[?13n", 6); 572 break; 573 case 25: /* UDK status - VT300 only */ 574 /* 20 = locked, 21 = unlocked */ 575 wsdisplay_emulinput(edp->cbcookie, "\033[?21n", 6); 576 break; 577 case 26: /* keyboard dialect */ 578 /* 1 = north american , 7 = german */ 579 wsdisplay_emulinput(edp->cbcookie, "\033[?27;1n", 8); 580 break; 581 default: 582 #ifdef VT100_PRINTUNKNOWN 583 printf("CSI%dn unknown\n", ARG(0)); 584 #endif 585 break; 586 } 587 break; 588 case 'r': /* DECSTBM set top/bottom margins */ 589 if (ARG(0) == 0 && ARG(1) == 0) { 590 edp->scrreg_startrow = 0; 591 edp->scrreg_nrows = edp->nrows; 592 } else { 593 edp->scrreg_startrow = min(DEF1_ARG(0), 594 edp->nrows) - 1; 595 edp->scrreg_nrows = min(DEF1_ARG(1), edp->nrows) - 596 edp->scrreg_startrow; 597 } 598 edp->crow = ((edp->flags & VTFL_DECOM) ? 599 edp->scrreg_startrow : 0); 600 edp->ccol = 0; 601 break; 602 case 'y': 603 switch (ARG(0)) { 604 case 4: /* DECTST invoke confidence test */ 605 /* ignore */ 606 break; 607 default: 608 #ifdef VT100_PRINTUNKNOWN 609 printf("CSI%dy unknown\n", ARG(0)); 610 #endif 611 break; 612 } 613 break; 614 default: 615 #ifdef VT100_PRINTUNKNOWN 616 printf("CSI%c (%d, %d) unknown\n", c, ARG(0), ARG(1)); 617 #endif 618 } 619 } 620 621 /* 622 * get an attribute from the graphics driver, 623 * try to find replacements if the desired appearance 624 * is not supported 625 */ 626 static int 627 vt100_selectattribute(edp, flags, fgcol, bgcol, attr) 628 struct wsemul_vt100_emuldata *edp; 629 int flags, fgcol, bgcol; 630 long *attr; 631 { 632 if ((flags & WSATTR_HILIT) && 633 !(edp->scrcapabilities & WSSCREEN_HILIT)) { 634 flags &= ~WSATTR_HILIT; 635 if (edp->scrcapabilities & WSSCREEN_WSCOLORS) { 636 fgcol = WSCOL_RED; 637 flags |= WSATTR_WSCOLORS; 638 } else { 639 #ifdef VT100_DEBUG 640 printf("bold ignored (impossible)\n"); 641 #endif 642 } 643 } 644 if ((flags & WSATTR_UNDERLINE) && 645 !(edp->scrcapabilities & WSSCREEN_UNDERLINE)) { 646 flags &= ~WSATTR_UNDERLINE; 647 if (edp->scrcapabilities & WSSCREEN_WSCOLORS) { 648 bgcol = WSCOL_BROWN; 649 flags &= ~WSATTR_UNDERLINE; 650 flags |= WSATTR_WSCOLORS; 651 } else { 652 #ifdef VT100_DEBUG 653 printf("underline ignored (impossible)\n"); 654 #endif 655 } 656 } 657 if ((flags & WSATTR_BLINK) && 658 !(edp->scrcapabilities & WSSCREEN_BLINK)) { 659 flags &= ~WSATTR_BLINK; 660 #ifdef VT100_DEBUG 661 printf("blink ignored (impossible)\n"); 662 #endif 663 } 664 if ((flags & WSATTR_REVERSE) && 665 !(edp->scrcapabilities & WSSCREEN_REVERSE)) { 666 flags &= ~WSATTR_REVERSE; 667 if (edp->scrcapabilities & WSSCREEN_WSCOLORS) { 668 int help; 669 help = bgcol; 670 bgcol = fgcol; 671 fgcol = help; 672 flags |= WSATTR_WSCOLORS; 673 } else { 674 #ifdef VT100_DEBUG 675 printf("reverse ignored (impossible)\n"); 676 #endif 677 } 678 } 679 if ((flags & WSATTR_WSCOLORS) && 680 !(edp->scrcapabilities & WSSCREEN_WSCOLORS)) { 681 flags &= ~WSATTR_WSCOLORS; 682 #ifdef VT100_DEBUG 683 printf("colors ignored (impossible)\n"); 684 #endif 685 } 686 return ((*edp->emulops->alloc_attr)(edp->emulcookie, 687 fgcol, bgcol, flags, 688 attr)); 689 } 690 691 /* 692 * handle device control sequences if the main state machine 693 * told so by setting edp->dcstype to a nonzero value 694 */ 695 void 696 wsemul_vt100_handle_dcs(edp) 697 struct wsemul_vt100_emuldata *edp; 698 { 699 int i, pos; 700 701 switch (edp->dcstype) { 702 case 0: /* not handled */ 703 return; 704 case DCSTYPE_TABRESTORE: 705 KASSERT(edp->tabs != 0); 706 bzero(edp->tabs, edp->ncols); 707 pos = 0; 708 for (i = 0; i < edp->dcspos; i++) { 709 char c = edp->dcsarg[i]; 710 switch (c) { 711 case '0': case '1': case '2': case '3': case '4': 712 case '5': case '6': case '7': case '8': case '9': 713 pos = pos * 10 + (edp->dcsarg[i] - '0'); 714 break; 715 case '/': 716 if (pos > 0) 717 edp->tabs[pos - 1] = 1; 718 pos = 0; 719 break; 720 default: 721 #ifdef VT100_PRINTUNKNOWN 722 printf("unknown char %c in DCS\n", c); 723 #endif 724 } 725 } 726 if (pos > 0) 727 edp->tabs[pos - 1] = 1; 728 break; 729 default: 730 panic("wsemul_vt100_handle_dcs: bad type %d", edp->dcstype); 731 } 732 edp->dcstype = 0; 733 } 734 735 static int 736 vt100_ansimode(edp, nr, op) 737 struct wsemul_vt100_emuldata *edp; 738 int nr, op; 739 { 740 int res = 0; /* default: unknown */ 741 742 switch (nr) { 743 case 2: /* KAM keyboard locked/unlocked */ 744 break; 745 case 3: /* CRM control representation */ 746 break; 747 case 4: /* IRM insert/replace characters */ 748 if (op == VTMODE_SET) 749 edp->flags |= VTFL_INSERTMODE; 750 else if (op == VTMODE_RESET) 751 edp->flags &= ~VTFL_INSERTMODE; 752 res = ((edp->flags & VTFL_INSERTMODE) ? 1 : 2); 753 break; 754 case 10: /* HEM horizontal editing (permanently reset) */ 755 res = 4; 756 break; 757 case 12: /* SRM local echo off/on */ 758 res = 4; /* permanently reset ??? */ 759 break; 760 case 20: /* LNM newline = newline/linefeed */ 761 break; 762 default: 763 #ifdef VT100_PRINTUNKNOWN 764 printf("ANSI mode %d unknown\n", nr); 765 #endif 766 } 767 return (res); 768 } 769 770 static int 771 vt100_decmode(edp, nr, op) 772 struct wsemul_vt100_emuldata *edp; 773 int nr, op; 774 { 775 int res = 0; /* default: unknown */ 776 777 switch (nr) { 778 case 1: /* DECCKM application/nomal cursor keys */ 779 if (op == VTMODE_SET) 780 edp->flags |= VTFL_APPLCURSOR; 781 else if (op == VTMODE_RESET) 782 edp->flags &= ~VTFL_APPLCURSOR; 783 res = ((edp->flags & VTFL_APPLCURSOR) ? 1 : 2); 784 break; 785 case 2: /* DECANM ANSI vt100/vt52 */ 786 res = 3; /* permanently set ??? */ 787 break; 788 case 3: /* DECCOLM 132/80 cols */ 789 case 4: /* DECSCLM smooth/jump scroll */ 790 case 5: /* DECSCNM light/dark background */ 791 res = 4; /* all permanently reset ??? */ 792 break; 793 case 6: /* DECOM move within/outside margins */ 794 if (op == VTMODE_SET) 795 edp->flags |= VTFL_DECOM; 796 else if (op == VTMODE_RESET) 797 edp->flags &= ~VTFL_DECOM; 798 res = ((edp->flags & VTFL_DECOM) ? 1 : 2); 799 break; 800 case 7: /* DECAWM autowrap */ 801 if (op == VTMODE_SET) 802 edp->flags |= VTFL_DECAWM; 803 else if (op == VTMODE_RESET) 804 edp->flags &= ~VTFL_DECAWM; 805 res = ((edp->flags & VTFL_DECAWM) ? 1 : 2); 806 break; 807 case 8: /* DECARM keyboard autorepeat */ 808 break; 809 case 18: /* DECPFF print form feed */ 810 break; 811 case 19: /* DECPEX printer extent: screen/scrolling region */ 812 break; 813 case 25: /* DECTCEM text cursor on/off */ 814 if (op == VTMODE_SET || op == VTMODE_RESET) { 815 edp->flags = (edp->flags & ~VTFL_CURSORON) | 816 ((op == VTMODE_SET) ? VTFL_CURSORON : 0); 817 (*edp->emulops->cursor)(edp->emulcookie, 818 (op == VTMODE_SET), 819 edp->crow, edp->ccol); 820 } 821 res = ((edp->flags & VTFL_CURSORON) ? 1 : 2); 822 break; 823 case 42: /* DECNRCM use 7-bit NRC / 824 7/8 bit from DEC multilingual or ISO-latin-1*/ 825 if (op == VTMODE_SET) 826 edp->flags |= VTFL_NATCHARSET; 827 else if (op == VTMODE_RESET) 828 edp->flags &= ~VTFL_NATCHARSET; 829 res = ((edp->flags & VTFL_NATCHARSET) ? 1 : 2); 830 break; 831 case 66: /* DECNKM numeric keypad */ 832 break; 833 case 68: /* DECKBUM keyboard usage data processing/typewriter */ 834 break; 835 default: 836 #ifdef VT100_PRINTUNKNOWN 837 printf("DEC mode %d unknown\n", nr); 838 #endif 839 break; 840 } 841 return (res); 842 } 843
Indexes created Mon Sep 29 21:09:56 GMT 2025