wsemul_vt100_subr.c revision 1.7
1 /* $NetBSD: wsemul_vt100_subr.c,v 1.7 2000/04/28 21:56:16 mycroft 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 *, 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 memmove(&edp->dblwid[edp->scrreg_startrow], 72 &edp->dblwid[edp->scrreg_startrow + n], 73 help); 74 } 75 (*edp->emulops->eraserows)(edp->emulcookie, 76 edp->scrreg_startrow + help, n, 77 edp->bkgdattr); 78 if (edp->dblwid) 79 memset(&edp->dblwid[edp->scrreg_startrow + help], 0, 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 memmove(&edp->dblwid[edp->scrreg_startrow + n], 104 &edp->dblwid[edp->scrreg_startrow], 105 help); 106 } 107 (*edp->emulops->eraserows)(edp->emulcookie, 108 edp->scrreg_startrow, n, 109 edp->bkgdattr); 110 if (edp->dblwid) 111 memset(&edp->dblwid[edp->scrreg_startrow], 0, 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->bkgdattr); 128 n = edp->nrows - edp->crow - 1; 129 if (n > 0) { 130 (*edp->emulops->eraserows)(edp->emulcookie, 131 edp->crow + 1, n, 132 edp->bkgdattr); 133 if (edp->dblwid) 134 memset(&edp->dblwid[edp->crow + 1], 0, 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->bkgdattr); 142 if (edp->dblwid) 143 memset(&edp->dblwid[0], 0, edp->crow); 144 } 145 ERASECOLS(0, edp->ccol + 1, edp->bkgdattr); 146 break; 147 case 2: /* complete display */ 148 (*edp->emulops->eraserows)(edp->emulcookie, 149 0, edp->nrows, 150 edp->bkgdattr); 151 if (edp->dblwid) 152 memset(&edp->dblwid[0], 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->bkgdattr); 174 break; 175 case 1: /* beginning to cursor */ 176 ERASECOLS(0, edp->ccol + 1, edp->bkgdattr); 177 break; 178 case 2: /* complete line */ 179 (*edp->emulops->erasecols)(edp->emulcookie, edp->crow, 180 0, edp->ncols, 181 edp->bkgdattr); 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, bkgdattr; 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->bkgdattr); 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->bkgdattr); 453 break; 454 case 'X': /* ECH erase character */ 455 n = min(DEF1_ARG(0), COLS_LEFT + 1); 456 ERASECOLS(edp->ccol, n, edp->bkgdattr); 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 memset(edp->tabs, 0, 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 if (n == edp->nargs - 1) { 487 edp->bkgdattr = edp->curattr = edp->defattr; 488 edp->attrflags = 0; 489 edp->fgcol = WSCOL_WHITE; 490 edp->bgcol = WSCOL_BLACK; 491 return; 492 } 493 flags = 0; 494 fgcol = WSCOL_WHITE; 495 bgcol = WSCOL_BLACK; 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 &bkgdattr)) { 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->bkgdattr = bkgdattr; 548 edp->attrflags = flags; 549 edp->fgcol = fgcol; 550 edp->bgcol = bgcol; 551 } 552 break; 553 case 'n': /* reports */ 554 switch (ARG(0)) { 555 case 5: /* DSR operating status */ 556 /* 0 = OK, 3 = malfunction */ 557 wsdisplay_emulinput(edp->cbcookie, "\033[0n", 4); 558 break; 559 case 6: { /* DSR cursor position report */ 560 char buf[20]; 561 int row; 562 if (edp->flags & VTFL_DECOM) 563 row = ROWS_ABOVE; 564 else 565 row = edp->crow; 566 n = sprintf(buf, "\033[%d;%dR", 567 row + 1, edp->ccol + 1); 568 wsdisplay_emulinput(edp->cbcookie, buf, n); 569 } 570 break; 571 case 15: /* DSR printer status */ 572 /* 13 = no printer, 10 = ready, 11 = not ready */ 573 wsdisplay_emulinput(edp->cbcookie, "\033[?13n", 6); 574 break; 575 case 25: /* UDK status - VT300 only */ 576 /* 20 = locked, 21 = unlocked */ 577 wsdisplay_emulinput(edp->cbcookie, "\033[?21n", 6); 578 break; 579 case 26: /* keyboard dialect */ 580 /* 1 = north american , 7 = german */ 581 wsdisplay_emulinput(edp->cbcookie, "\033[?27;1n", 8); 582 break; 583 default: 584 #ifdef VT100_PRINTUNKNOWN 585 printf("CSI%dn unknown\n", ARG(0)); 586 #endif 587 break; 588 } 589 break; 590 case 'r': /* DECSTBM set top/bottom margins */ 591 help = min(DEF1_ARG(0), edp->nrows) - 1; 592 n = min(DEFx_ARG(1, edp->nrows), edp->nrows) - help; 593 if (n < 2) { 594 /* minimal scrolling region has 2 lines */ 595 return; 596 } else { 597 edp->scrreg_startrow = help; 598 edp->scrreg_nrows = n; 599 } 600 edp->crow = ((edp->flags & VTFL_DECOM) ? 601 edp->scrreg_startrow : 0); 602 edp->ccol = 0; 603 break; 604 case 'y': 605 switch (ARG(0)) { 606 case 4: /* DECTST invoke confidence test */ 607 /* ignore */ 608 break; 609 default: 610 #ifdef VT100_PRINTUNKNOWN 611 printf("CSI%dy unknown\n", ARG(0)); 612 #endif 613 break; 614 } 615 break; 616 default: 617 #ifdef VT100_PRINTUNKNOWN 618 printf("CSI%c (%d, %d) unknown\n", c, ARG(0), ARG(1)); 619 #endif 620 } 621 } 622 623 /* 624 * get an attribute from the graphics driver, 625 * try to find replacements if the desired appearance 626 * is not supported 627 */ 628 static int 629 vt100_selectattribute(edp, flags, fgcol, bgcol, attr, bkgdattr) 630 struct wsemul_vt100_emuldata *edp; 631 int flags, fgcol, bgcol; 632 long *attr, *bkgdattr; 633 { 634 int error; 635 636 if ((flags & WSATTR_WSCOLORS) && 637 !(edp->scrcapabilities & WSSCREEN_WSCOLORS)) { 638 flags &= ~WSATTR_WSCOLORS; 639 #ifdef VT100_DEBUG 640 printf("colors ignored (impossible)\n"); 641 #endif 642 } 643 error = (*edp->emulops->alloc_attr)(edp->emulcookie, fgcol, bgcol, 644 flags & WSATTR_WSCOLORS, bkgdattr); 645 if (error) 646 return (error); 647 648 if ((flags & WSATTR_HILIT) && 649 !(edp->scrcapabilities & WSSCREEN_HILIT)) { 650 flags &= ~WSATTR_HILIT; 651 if (edp->scrcapabilities & WSSCREEN_WSCOLORS) { 652 fgcol = WSCOL_RED; 653 flags |= WSATTR_WSCOLORS; 654 } else { 655 #ifdef VT100_DEBUG 656 printf("bold ignored (impossible)\n"); 657 #endif 658 } 659 } 660 if ((flags & WSATTR_UNDERLINE) && 661 !(edp->scrcapabilities & WSSCREEN_UNDERLINE)) { 662 flags &= ~WSATTR_UNDERLINE; 663 if (edp->scrcapabilities & WSSCREEN_WSCOLORS) { 664 bgcol = WSCOL_BROWN; 665 flags &= ~WSATTR_UNDERLINE; 666 flags |= WSATTR_WSCOLORS; 667 } else { 668 #ifdef VT100_DEBUG 669 printf("underline ignored (impossible)\n"); 670 #endif 671 } 672 } 673 if ((flags & WSATTR_BLINK) && 674 !(edp->scrcapabilities & WSSCREEN_BLINK)) { 675 flags &= ~WSATTR_BLINK; 676 #ifdef VT100_DEBUG 677 printf("blink ignored (impossible)\n"); 678 #endif 679 } 680 if ((flags & WSATTR_REVERSE) && 681 !(edp->scrcapabilities & WSSCREEN_REVERSE)) { 682 flags &= ~WSATTR_REVERSE; 683 if (edp->scrcapabilities & WSSCREEN_WSCOLORS) { 684 int help; 685 help = bgcol; 686 bgcol = fgcol; 687 fgcol = help; 688 flags |= WSATTR_WSCOLORS; 689 } else { 690 #ifdef VT100_DEBUG 691 printf("reverse ignored (impossible)\n"); 692 #endif 693 } 694 } 695 error = (*edp->emulops->alloc_attr)(edp->emulcookie, fgcol, bgcol, 696 flags, attr); 697 if (error) 698 return (error); 699 700 return (0); 701 } 702 703 /* 704 * handle device control sequences if the main state machine 705 * told so by setting edp->dcstype to a nonzero value 706 */ 707 void 708 wsemul_vt100_handle_dcs(edp) 709 struct wsemul_vt100_emuldata *edp; 710 { 711 int i, pos; 712 713 switch (edp->dcstype) { 714 case 0: /* not handled */ 715 return; 716 case DCSTYPE_TABRESTORE: 717 KASSERT(edp->tabs != 0); 718 memset(edp->tabs, 0, edp->ncols); 719 pos = 0; 720 for (i = 0; i < edp->dcspos; i++) { 721 char c = edp->dcsarg[i]; 722 switch (c) { 723 case '0': case '1': case '2': case '3': case '4': 724 case '5': case '6': case '7': case '8': case '9': 725 pos = pos * 10 + (edp->dcsarg[i] - '0'); 726 break; 727 case '/': 728 if (pos > 0) 729 edp->tabs[pos - 1] = 1; 730 pos = 0; 731 break; 732 default: 733 #ifdef VT100_PRINTUNKNOWN 734 printf("unknown char %c in DCS\n", c); 735 #endif 736 } 737 } 738 if (pos > 0) 739 edp->tabs[pos - 1] = 1; 740 break; 741 default: 742 panic("wsemul_vt100_handle_dcs: bad type %d", edp->dcstype); 743 } 744 edp->dcstype = 0; 745 } 746 747 static int 748 vt100_ansimode(edp, nr, op) 749 struct wsemul_vt100_emuldata *edp; 750 int nr, op; 751 { 752 int res = 0; /* default: unknown */ 753 754 switch (nr) { 755 case 2: /* KAM keyboard locked/unlocked */ 756 break; 757 case 3: /* CRM control representation */ 758 break; 759 case 4: /* IRM insert/replace characters */ 760 if (op == VTMODE_SET) 761 edp->flags |= VTFL_INSERTMODE; 762 else if (op == VTMODE_RESET) 763 edp->flags &= ~VTFL_INSERTMODE; 764 res = ((edp->flags & VTFL_INSERTMODE) ? 1 : 2); 765 break; 766 case 10: /* HEM horizontal editing (permanently reset) */ 767 res = 4; 768 break; 769 case 12: /* SRM local echo off/on */ 770 res = 4; /* permanently reset ??? */ 771 break; 772 case 20: /* LNM newline = newline/linefeed */ 773 break; 774 default: 775 #ifdef VT100_PRINTUNKNOWN 776 printf("ANSI mode %d unknown\n", nr); 777 #endif 778 } 779 return (res); 780 } 781 782 static int 783 vt100_decmode(edp, nr, op) 784 struct wsemul_vt100_emuldata *edp; 785 int nr, op; 786 { 787 int res = 0; /* default: unknown */ 788 int flags; 789 790 flags = edp->flags; 791 switch (nr) { 792 case 1: /* DECCKM application/nomal cursor keys */ 793 if (op == VTMODE_SET) 794 flags |= VTFL_APPLCURSOR; 795 else if (op == VTMODE_RESET) 796 flags &= ~VTFL_APPLCURSOR; 797 res = ((flags & VTFL_APPLCURSOR) ? 1 : 2); 798 break; 799 case 2: /* DECANM ANSI vt100/vt52 */ 800 res = 3; /* permanently set ??? */ 801 break; 802 case 3: /* DECCOLM 132/80 cols */ 803 case 4: /* DECSCLM smooth/jump scroll */ 804 case 5: /* DECSCNM light/dark background */ 805 res = 4; /* all permanently reset ??? */ 806 break; 807 case 6: /* DECOM move within/outside margins */ 808 if (op == VTMODE_SET) 809 flags |= VTFL_DECOM; 810 else if (op == VTMODE_RESET) 811 flags &= ~VTFL_DECOM; 812 res = ((flags & VTFL_DECOM) ? 1 : 2); 813 break; 814 case 7: /* DECAWM autowrap */ 815 if (op == VTMODE_SET) 816 flags |= VTFL_DECAWM; 817 else if (op == VTMODE_RESET) 818 flags &= ~VTFL_DECAWM; 819 res = ((flags & VTFL_DECAWM) ? 1 : 2); 820 break; 821 case 8: /* DECARM keyboard autorepeat */ 822 break; 823 case 18: /* DECPFF print form feed */ 824 break; 825 case 19: /* DECPEX printer extent: screen/scrolling region */ 826 break; 827 case 25: /* DECTCEM text cursor on/off */ 828 if (op == VTMODE_SET) 829 flags |= VTFL_CURSORON; 830 else if (op == VTMODE_RESET) 831 flags &= ~VTFL_CURSORON; 832 if (flags != edp->flags) 833 (*edp->emulops->cursor)(edp->emulcookie, 834 flags & VTFL_CURSORON, 835 edp->crow, edp->ccol); 836 res = ((flags & VTFL_CURSORON) ? 1 : 2); 837 break; 838 case 42: /* DECNRCM use 7-bit NRC / 839 7/8 bit from DEC multilingual or ISO-latin-1*/ 840 if (op == VTMODE_SET) 841 flags |= VTFL_NATCHARSET; 842 else if (op == VTMODE_RESET) 843 flags &= ~VTFL_NATCHARSET; 844 res = ((flags & VTFL_NATCHARSET) ? 1 : 2); 845 break; 846 case 66: /* DECNKM numeric keypad */ 847 break; 848 case 68: /* DECKBUM keyboard usage data processing/typewriter */ 849 break; 850 default: 851 #ifdef VT100_PRINTUNKNOWN 852 printf("DEC mode %d unknown\n", nr); 853 #endif 854 break; 855 } 856 edp->flags = flags; 857 858 return (res); 859 } 860
Indexes created Mon Sep 29 21:09:56 GMT 2025