wsemul_vt100_subr.c revision 1.4
1 /* $NetBSD: wsemul_vt100_subr.c,v 1.4 1998/08/12 20:04:13 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$w ignored\n"); 334 #endif 335 break; 336 case 2: /* tab stop report */ 337 { 338 int i, n, ps = 0; 339 char buf[20]; 340 KASSERT(edp->tabs != 0); 341 wsdisplay_emulinput(edp->cbcookie, "\033P2$u", 5); 342 for (i = 0; i < edp->ncols; i++) 343 if (edp->tabs[i]) { 344 n = sprintf(buf, "%s%d", 345 (ps ? "/" : ""), i + 1); 346 wsdisplay_emulinput(edp->cbcookie, 347 buf, n); 348 ps = 1; 349 } 350 } 351 wsdisplay_emulinput(edp->cbcookie, "\033\\", 2); 352 break; 353 default: 354 #ifdef VT100_PRINTUNKNOWN 355 printf("CSI%d$w unknown\n", ARG(0)); 356 #endif 357 break; 358 } 359 break; 360 case A2('$', '}'): /* DECSASD select active status display */ 361 switch (ARG(0)) { 362 case 0: /* main display */ 363 case 1: /* status line */ 364 #ifdef VT100_PRINTNOTIMPL 365 printf("CSI%d$} ignored\n", ARG(0)); 366 #endif 367 break; 368 default: 369 #ifdef VT100_PRINTUNKNOWN 370 printf("CSI%d$} unknown\n", ARG(0)); 371 #endif 372 break; 373 } 374 break; 375 case A2('$', '~'): /* DECSSDD select status line type */ 376 switch (ARG(0)) { 377 case 0: /* none */ 378 case 1: /* indicator */ 379 case 2: /* host-writable */ 380 #ifdef VT100_PRINTNOTIMPL 381 printf("CSI%d$~ ignored\n", ARG(0)); 382 #endif 383 break; 384 default: 385 #ifdef VT100_PRINTUNKNOWN 386 printf("CSI%d$~ unknown\n", ARG(0)); 387 #endif 388 break; 389 } 390 break; 391 392 case A2('&', 'u'): /* DECRQUPSS request user preferred 393 supplemental set */ 394 wsdisplay_emulinput(edp->emulcookie, "\033P0!u%5\033\\", 9); 395 break; 396 397 case '@': /* ICH insert character VT300 only */ 398 n = min(DEF1_ARG(0), COLS_LEFT + 1); 399 help = NCOLS - (edp->ccol + n); 400 if (help > 0) 401 COPYCOLS(edp->ccol, edp->ccol + n, help); 402 ERASECOLS(edp->ccol, n, edp->defattr); 403 break; 404 case 'A': /* CUU */ 405 edp->crow -= min(DEF1_ARG(0), ROWS_ABOVE); 406 CHECK_DW; 407 break; 408 case 'B': /* CUD */ 409 edp->crow += min(DEF1_ARG(0), ROWS_BELOW); 410 CHECK_DW; 411 break; 412 case 'C': /* CUF */ 413 edp->ccol += min(DEF1_ARG(0), COLS_LEFT); 414 break; 415 case 'D': /* CUB */ 416 edp->ccol -= min(DEF1_ARG(0), edp->ccol); 417 edp->flags &= ~VTFL_LASTCHAR; 418 break; 419 case 'H': /* CUP */ 420 case 'f': /* HVP */ 421 if (edp->flags & VTFL_DECOM) 422 edp->crow = edp->scrreg_startrow + 423 min(DEF1_ARG(0), edp->scrreg_nrows) - 1; 424 else 425 edp->crow = min(DEF1_ARG(0), edp->nrows) - 1; 426 CHECK_DW; 427 edp->ccol = min(DEF1_ARG(1), NCOLS) - 1; 428 edp->flags &= ~VTFL_LASTCHAR; 429 break; 430 case 'L': /* IL insert line */ 431 case 'M': /* DL delete line */ 432 n = min(DEF1_ARG(0), ROWS_BELOW + 1); 433 { 434 int savscrstartrow, savscrnrows; 435 savscrstartrow = edp->scrreg_startrow; 436 savscrnrows = edp->scrreg_nrows; 437 edp->scrreg_nrows -= ROWS_ABOVE; 438 edp->scrreg_startrow = edp->crow; 439 if (c == 'L') 440 wsemul_vt100_scrolldown(edp, n); 441 else 442 wsemul_vt100_scrollup(edp, n); 443 edp->scrreg_startrow = savscrstartrow; 444 edp->scrreg_nrows = savscrnrows; 445 } 446 break; 447 case 'P': /* DCH delete character */ 448 n = min(DEF1_ARG(0), COLS_LEFT + 1); 449 help = NCOLS - (edp->ccol + n); 450 if (help > 0) 451 COPYCOLS(edp->ccol + n, edp->ccol, help); 452 ERASECOLS(NCOLS - n, n, edp->defattr); 453 break; 454 case 'X': /* ECH erase character */ 455 n = min(DEF1_ARG(0), COLS_LEFT + 1); 456 ERASECOLS(edp->ccol, n, edp->defattr); 457 break; 458 case 'c': /* DA primary */ 459 if (ARG(0) == 0) 460 wsdisplay_emulinput(edp->cbcookie, WSEMUL_VT_ID1, 461 sizeof(WSEMUL_VT_ID1)); 462 break; 463 case 'g': /* TBC */ 464 KASSERT(edp->tabs != 0); 465 switch (ARG(0)) { 466 case 0: 467 edp->tabs[edp->ccol] = 0; 468 break; 469 case 3: 470 bzero(edp->tabs, edp->ncols); 471 break; 472 default: 473 #ifdef VT100_PRINTUNKNOWN 474 printf("CSI%dg unknown\n", ARG(0)); 475 #endif 476 break; 477 } 478 break; 479 case 'm': /* SGR select graphic rendition */ 480 flags = edp->attrflags; 481 fgcol = edp->fgcol; 482 bgcol = edp->bgcol; 483 for (n = 0; n < edp->nargs; n++) { 484 switch (ARG(n)) { 485 case 0: /* reset */ 486 attr = edp->defattr; 487 flags = 0; 488 fgcol = WSCOL_WHITE; 489 bgcol = WSCOL_BLACK; 490 if (n == edp->nargs - 1) { 491 edp->curattr = attr; 492 edp->attrflags = flags; 493 edp->fgcol = fgcol; 494 edp->bgcol = bgcol; 495 return; 496 } 497 break; 498 case 1: /* bold */ 499 flags |= WSATTR_HILIT; 500 break; 501 case 4: /* underline */ 502 flags |= WSATTR_UNDERLINE; 503 break; 504 case 5: /* blink */ 505 flags |= WSATTR_BLINK; 506 break; 507 case 7: /* reverse */ 508 flags |= WSATTR_REVERSE; 509 break; 510 case 22: /* ~bold VT300 only */ 511 flags &= ~WSATTR_HILIT; 512 break; 513 case 24: /* ~underline VT300 only */ 514 flags &= ~WSATTR_UNDERLINE; 515 break; 516 case 25: /* ~blink VT300 only */ 517 flags &= ~WSATTR_BLINK; 518 break; 519 case 27: /* ~reverse VT300 only */ 520 flags &= ~WSATTR_REVERSE; 521 break; 522 case 30: case 31: case 32: case 33: 523 case 34: case 35: case 36: case 37: 524 /* fg color */ 525 flags |= WSATTR_WSCOLORS; 526 fgcol = ARG(n) - 30; 527 break; 528 case 40: case 41: case 42: case 43: 529 case 44: case 45: case 46: case 47: 530 /* bg color */ 531 flags |= WSATTR_WSCOLORS; 532 bgcol = ARG(n) - 40; 533 break; 534 default: 535 #ifdef VT100_PRINTUNKNOWN 536 printf("CSI%dm unknown\n", ARG(n)); 537 #endif 538 } 539 } 540 if (vt100_selectattribute(edp, flags, fgcol, bgcol, &attr)) { 541 #ifdef VT100_DEBUG 542 printf("error allocating attr %d/%d/%x\n", 543 fgcol, bgcol, flags); 544 #endif 545 } else { 546 edp->curattr = attr; 547 edp->attrflags = flags; 548 edp->fgcol = fgcol; 549 edp->bgcol = bgcol; 550 } 551 break; 552 case 'n': /* reports */ 553 switch (ARG(0)) { 554 case 5: /* DSR operating status */ 555 /* 0 = OK, 3 = malfunction */ 556 wsdisplay_emulinput(edp->cbcookie, "\033[0n", 4); 557 break; 558 case 6: { /* DSR cursor position report */ 559 char buf[20]; 560 int row; 561 if (edp->flags & VTFL_DECOM) 562 row = ROWS_ABOVE; 563 else 564 row = edp->crow; 565 n = sprintf(buf, "\033[%d;%dR", 566 row + 1, edp->ccol + 1); 567 wsdisplay_emulinput(edp->cbcookie, buf, n); 568 } 569 break; 570 case 15: /* DSR printer status */ 571 /* 13 = no printer, 10 = ready, 11 = not ready */ 572 wsdisplay_emulinput(edp->cbcookie, "\033[?13n", 6); 573 break; 574 case 25: /* UDK status - VT300 only */ 575 /* 20 = locked, 21 = unlocked */ 576 wsdisplay_emulinput(edp->cbcookie, "\033[?21n", 6); 577 break; 578 case 26: /* keyboard dialect */ 579 /* 1 = north american , 7 = german */ 580 wsdisplay_emulinput(edp->cbcookie, "\033[?27;1n", 8); 581 break; 582 default: 583 #ifdef VT100_PRINTUNKNOWN 584 printf("CSI%dn unknown\n", ARG(0)); 585 #endif 586 break; 587 } 588 break; 589 case 'r': /* DECSTBM set top/bottom margins */ 590 help = min(DEF1_ARG(0), edp->nrows) - 1; 591 n = min(DEFx_ARG(1, edp->nrows), edp->nrows) - help; 592 if (n < 2) { 593 /* minimal scrolling region has 2 lines */ 594 return; 595 } else { 596 edp->scrreg_startrow = help; 597 edp->scrreg_nrows = n; 598 } 599 edp->crow = ((edp->flags & VTFL_DECOM) ? 600 edp->scrreg_startrow : 0); 601 edp->ccol = 0; 602 break; 603 case 'y': 604 switch (ARG(0)) { 605 case 4: /* DECTST invoke confidence test */ 606 /* ignore */ 607 break; 608 default: 609 #ifdef VT100_PRINTUNKNOWN 610 printf("CSI%dy unknown\n", ARG(0)); 611 #endif 612 break; 613 } 614 break; 615 default: 616 #ifdef VT100_PRINTUNKNOWN 617 printf("CSI%c (%d, %d) unknown\n", c, ARG(0), ARG(1)); 618 #endif 619 } 620 } 621 622 /* 623 * get an attribute from the graphics driver, 624 * try to find replacements if the desired appearance 625 * is not supported 626 */ 627 static int 628 vt100_selectattribute(edp, flags, fgcol, bgcol, attr) 629 struct wsemul_vt100_emuldata *edp; 630 int flags, fgcol, bgcol; 631 long *attr; 632 { 633 if ((flags & WSATTR_HILIT) && 634 !(edp->scrcapabilities & WSSCREEN_HILIT)) { 635 flags &= ~WSATTR_HILIT; 636 if (edp->scrcapabilities & WSSCREEN_WSCOLORS) { 637 fgcol = WSCOL_RED; 638 flags |= WSATTR_WSCOLORS; 639 } else { 640 #ifdef VT100_DEBUG 641 printf("bold ignored (impossible)\n"); 642 #endif 643 } 644 } 645 if ((flags & WSATTR_UNDERLINE) && 646 !(edp->scrcapabilities & WSSCREEN_UNDERLINE)) { 647 flags &= ~WSATTR_UNDERLINE; 648 if (edp->scrcapabilities & WSSCREEN_WSCOLORS) { 649 bgcol = WSCOL_BROWN; 650 flags &= ~WSATTR_UNDERLINE; 651 flags |= WSATTR_WSCOLORS; 652 } else { 653 #ifdef VT100_DEBUG 654 printf("underline ignored (impossible)\n"); 655 #endif 656 } 657 } 658 if ((flags & WSATTR_BLINK) && 659 !(edp->scrcapabilities & WSSCREEN_BLINK)) { 660 flags &= ~WSATTR_BLINK; 661 #ifdef VT100_DEBUG 662 printf("blink ignored (impossible)\n"); 663 #endif 664 } 665 if ((flags & WSATTR_REVERSE) && 666 !(edp->scrcapabilities & WSSCREEN_REVERSE)) { 667 flags &= ~WSATTR_REVERSE; 668 if (edp->scrcapabilities & WSSCREEN_WSCOLORS) { 669 int help; 670 help = bgcol; 671 bgcol = fgcol; 672 fgcol = help; 673 flags |= WSATTR_WSCOLORS; 674 } else { 675 #ifdef VT100_DEBUG 676 printf("reverse ignored (impossible)\n"); 677 #endif 678 } 679 } 680 if ((flags & WSATTR_WSCOLORS) && 681 !(edp->scrcapabilities & WSSCREEN_WSCOLORS)) { 682 flags &= ~WSATTR_WSCOLORS; 683 #ifdef VT100_DEBUG 684 printf("colors ignored (impossible)\n"); 685 #endif 686 } 687 return ((*edp->emulops->alloc_attr)(edp->emulcookie, 688 fgcol, bgcol, flags, 689 attr)); 690 } 691 692 /* 693 * handle device control sequences if the main state machine 694 * told so by setting edp->dcstype to a nonzero value 695 */ 696 void 697 wsemul_vt100_handle_dcs(edp) 698 struct wsemul_vt100_emuldata *edp; 699 { 700 int i, pos; 701 702 switch (edp->dcstype) { 703 case 0: /* not handled */ 704 return; 705 case DCSTYPE_TABRESTORE: 706 KASSERT(edp->tabs != 0); 707 bzero(edp->tabs, edp->ncols); 708 pos = 0; 709 for (i = 0; i < edp->dcspos; i++) { 710 char c = edp->dcsarg[i]; 711 switch (c) { 712 case '0': case '1': case '2': case '3': case '4': 713 case '5': case '6': case '7': case '8': case '9': 714 pos = pos * 10 + (edp->dcsarg[i] - '0'); 715 break; 716 case '/': 717 if (pos > 0) 718 edp->tabs[pos - 1] = 1; 719 pos = 0; 720 break; 721 default: 722 #ifdef VT100_PRINTUNKNOWN 723 printf("unknown char %c in DCS\n", c); 724 #endif 725 } 726 } 727 if (pos > 0) 728 edp->tabs[pos - 1] = 1; 729 break; 730 default: 731 panic("wsemul_vt100_handle_dcs: bad type %d", edp->dcstype); 732 } 733 edp->dcstype = 0; 734 } 735 736 static int 737 vt100_ansimode(edp, nr, op) 738 struct wsemul_vt100_emuldata *edp; 739 int nr, op; 740 { 741 int res = 0; /* default: unknown */ 742 743 switch (nr) { 744 case 2: /* KAM keyboard locked/unlocked */ 745 break; 746 case 3: /* CRM control representation */ 747 break; 748 case 4: /* IRM insert/replace characters */ 749 if (op == VTMODE_SET) 750 edp->flags |= VTFL_INSERTMODE; 751 else if (op == VTMODE_RESET) 752 edp->flags &= ~VTFL_INSERTMODE; 753 res = ((edp->flags & VTFL_INSERTMODE) ? 1 : 2); 754 break; 755 case 10: /* HEM horizontal editing (permanently reset) */ 756 res = 4; 757 break; 758 case 12: /* SRM local echo off/on */ 759 res = 4; /* permanently reset ??? */ 760 break; 761 case 20: /* LNM newline = newline/linefeed */ 762 break; 763 default: 764 #ifdef VT100_PRINTUNKNOWN 765 printf("ANSI mode %d unknown\n", nr); 766 #endif 767 } 768 return (res); 769 } 770 771 static int 772 vt100_decmode(edp, nr, op) 773 struct wsemul_vt100_emuldata *edp; 774 int nr, op; 775 { 776 int res = 0; /* default: unknown */ 777 778 switch (nr) { 779 case 1: /* DECCKM application/nomal cursor keys */ 780 if (op == VTMODE_SET) 781 edp->flags |= VTFL_APPLCURSOR; 782 else if (op == VTMODE_RESET) 783 edp->flags &= ~VTFL_APPLCURSOR; 784 res = ((edp->flags & VTFL_APPLCURSOR) ? 1 : 2); 785 break; 786 case 2: /* DECANM ANSI vt100/vt52 */ 787 res = 3; /* permanently set ??? */ 788 break; 789 case 3: /* DECCOLM 132/80 cols */ 790 case 4: /* DECSCLM smooth/jump scroll */ 791 case 5: /* DECSCNM light/dark background */ 792 res = 4; /* all permanently reset ??? */ 793 break; 794 case 6: /* DECOM move within/outside margins */ 795 if (op == VTMODE_SET) 796 edp->flags |= VTFL_DECOM; 797 else if (op == VTMODE_RESET) 798 edp->flags &= ~VTFL_DECOM; 799 res = ((edp->flags & VTFL_DECOM) ? 1 : 2); 800 break; 801 case 7: /* DECAWM autowrap */ 802 if (op == VTMODE_SET) 803 edp->flags |= VTFL_DECAWM; 804 else if (op == VTMODE_RESET) 805 edp->flags &= ~VTFL_DECAWM; 806 res = ((edp->flags & VTFL_DECAWM) ? 1 : 2); 807 break; 808 case 8: /* DECARM keyboard autorepeat */ 809 break; 810 case 18: /* DECPFF print form feed */ 811 break; 812 case 19: /* DECPEX printer extent: screen/scrolling region */ 813 break; 814 case 25: /* DECTCEM text cursor on/off */ 815 if (op == VTMODE_SET || op == VTMODE_RESET) { 816 edp->flags = (edp->flags & ~VTFL_CURSORON) | 817 ((op == VTMODE_SET) ? VTFL_CURSORON : 0); 818 (*edp->emulops->cursor)(edp->emulcookie, 819 (op == VTMODE_SET), 820 edp->crow, edp->ccol); 821 } 822 res = ((edp->flags & VTFL_CURSORON) ? 1 : 2); 823 break; 824 case 42: /* DECNRCM use 7-bit NRC / 825 7/8 bit from DEC multilingual or ISO-latin-1*/ 826 if (op == VTMODE_SET) 827 edp->flags |= VTFL_NATCHARSET; 828 else if (op == VTMODE_RESET) 829 edp->flags &= ~VTFL_NATCHARSET; 830 res = ((edp->flags & VTFL_NATCHARSET) ? 1 : 2); 831 break; 832 case 66: /* DECNKM numeric keypad */ 833 break; 834 case 68: /* DECKBUM keyboard usage data processing/typewriter */ 835 break; 836 default: 837 #ifdef VT100_PRINTUNKNOWN 838 printf("DEC mode %d unknown\n", nr); 839 #endif 840 break; 841 } 842 return (res); 843 } 844
Indexes created Mon Sep 29 21:09:56 GMT 2025