| 1 | /* $NetBSD: wsemul_vt100_subr.c,v 1.20 2010/02/10 19:39:39 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 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | * |
| 27 | */ |
| 28 | |
| 29 | #include <sys/cdefs.h> |
| 30 | __KERNEL_RCSID(0, "$NetBSD: wsemul_vt100_subr.c,v 1.20 2010/02/10 19:39:39 drochner Exp $" ); |
| 31 | |
| 32 | #include <sys/param.h> |
| 33 | #include <sys/systm.h> |
| 34 | |
| 35 | #include <dev/wscons/wsconsio.h> |
| 36 | #include <dev/wscons/wsksymvar.h> |
| 37 | #include <dev/wscons/wsdisplayvar.h> |
| 38 | #include <dev/wscons/wsemulvar.h> |
| 39 | #include <dev/wscons/vt100_base.h> |
| 40 | |
| 41 | #include "opt_wsemul.h" |
| 42 | |
| 43 | static int vt100_selectattribute(struct vt100base_data *, |
| 44 | int, int, int, long *, long *); |
| 45 | static int vt100_ansimode(struct vt100base_data *, int, int); |
| 46 | static int vt100_decmode(struct vt100base_data *, 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(struct vt100base_data *edp, int n) |
| 56 | { |
| 57 | int help; |
| 58 | |
| 59 | if (n > edp->scrreg_nrows) |
| 60 | n = edp->scrreg_nrows; |
| 61 | |
| 62 | help = edp->scrreg_nrows - n; |
| 63 | if (help > 0) { |
| 64 | (*edp->emulops->copyrows)(edp->emulcookie, |
| 65 | edp->scrreg_startrow + n, |
| 66 | edp->scrreg_startrow, |
| 67 | help); |
| 68 | if (edp->dblwid) |
| 69 | memmove(&edp->dblwid[edp->scrreg_startrow], |
| 70 | &edp->dblwid[edp->scrreg_startrow + n], |
| 71 | help); |
| 72 | } |
| 73 | (*edp->emulops->eraserows)(edp->emulcookie, |
| 74 | edp->scrreg_startrow + help, n, |
| 75 | edp->bkgdattr); |
| 76 | if (edp->dblwid) |
| 77 | memset(&edp->dblwid[edp->scrreg_startrow + help], 0, n); |
| 78 | CHECK_DW(edp); |
| 79 | } |
| 80 | |
| 81 | /* |
| 82 | * scroll down within scrolling region |
| 83 | */ |
| 84 | void |
| 85 | wsemul_vt100_scrolldown(struct vt100base_data *edp, int n) |
| 86 | { |
| 87 | int help; |
| 88 | |
| 89 | if (n > edp->scrreg_nrows) |
| 90 | n = edp->scrreg_nrows; |
| 91 | |
| 92 | help = edp->scrreg_nrows - n; |
| 93 | if (help > 0) { |
| 94 | (*edp->emulops->copyrows)(edp->emulcookie, |
| 95 | edp->scrreg_startrow, |
| 96 | edp->scrreg_startrow + n, |
| 97 | help); |
| 98 | if (edp->dblwid) |
| 99 | memmove(&edp->dblwid[edp->scrreg_startrow + n], |
| 100 | &edp->dblwid[edp->scrreg_startrow], |
| 101 | help); |
| 102 | } |
| 103 | (*edp->emulops->eraserows)(edp->emulcookie, |
| 104 | edp->scrreg_startrow, n, |
| 105 | edp->bkgdattr); |
| 106 | if (edp->dblwid) |
| 107 | memset(&edp->dblwid[edp->scrreg_startrow], 0, n); |
| 108 | CHECK_DW(edp); |
| 109 | } |
| 110 | |
| 111 | /* |
| 112 | * erase in display |
| 113 | */ |
| 114 | void |
| 115 | wsemul_vt100_ed(struct vt100base_data *edp, int arg) |
| 116 | { |
| 117 | int n; |
| 118 | |
| 119 | switch (arg) { |
| 120 | case 0: /* cursor to end */ |
| 121 | ERASECOLS(edp, edp->ccol, COLS_LEFT(edp) + 1, edp->bkgdattr); |
| 122 | n = edp->nrows - edp->crow - 1; |
| 123 | if (n > 0) { |
| 124 | (*edp->emulops->eraserows)(edp->emulcookie, |
| 125 | edp->crow + 1, n, |
| 126 | edp->bkgdattr); |
| 127 | if (edp->dblwid) |
| 128 | memset(&edp->dblwid[edp->crow + 1], 0, n); |
| 129 | } |
| 130 | break; |
| 131 | case 1: /* beginning to cursor */ |
| 132 | if (edp->crow > 0) { |
| 133 | (*edp->emulops->eraserows)(edp->emulcookie, |
| 134 | 0, edp->crow, |
| 135 | edp->bkgdattr); |
| 136 | if (edp->dblwid) |
| 137 | memset(&edp->dblwid[0], 0, edp->crow); |
| 138 | } |
| 139 | ERASECOLS(edp, 0, edp->ccol + 1, edp->bkgdattr); |
| 140 | break; |
| 141 | case 2: /* complete display */ |
| 142 | (*edp->emulops->eraserows)(edp->emulcookie, |
| 143 | 0, edp->nrows, |
| 144 | edp->bkgdattr); |
| 145 | if (edp->dblwid) |
| 146 | memset(&edp->dblwid[0], 0, edp->nrows); |
| 147 | break; |
| 148 | default: |
| 149 | #ifdef VT100_PRINTUNKNOWN |
| 150 | printf("ed(%d) unknown\n" , arg); |
| 151 | #endif |
| 152 | break; |
| 153 | } |
| 154 | CHECK_DW(edp); |
| 155 | } |
| 156 | |
| 157 | /* |
| 158 | * erase in line |
| 159 | */ |
| 160 | void |
| 161 | wsemul_vt100_el(struct vt100base_data *edp, int arg) |
| 162 | { |
| 163 | switch (arg) { |
| 164 | case 0: /* cursor to end */ |
| 165 | ERASECOLS(edp, edp->ccol, COLS_LEFT(edp) + 1, edp->bkgdattr); |
| 166 | break; |
| 167 | case 1: /* beginning to cursor */ |
| 168 | ERASECOLS(edp, 0, edp->ccol + 1, edp->bkgdattr); |
| 169 | break; |
| 170 | case 2: /* complete line */ |
| 171 | (*edp->emulops->erasecols)(edp->emulcookie, edp->crow, |
| 172 | 0, edp->ncols, |
| 173 | edp->bkgdattr); |
| 174 | break; |
| 175 | default: |
| 176 | #ifdef VT100_PRINTUNKNOWN |
| 177 | printf("el(%d) unknown\n" , arg); |
| 178 | #endif |
| 179 | break; |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | /* |
| 184 | * handle commands after CSI (ESC[) |
| 185 | */ |
| 186 | void |
| 187 | wsemul_vt100_handle_csi(struct vt100base_data *edp, u_char c) |
| 188 | { |
| 189 | int n, help, flags, fgcol, bgcol; |
| 190 | long attr, bkgdattr; |
| 191 | |
| 192 | #define A3(a, b, c) (((a) << 16) | ((b) << 8) | (c)) |
| 193 | switch (A3(edp->modif1, edp->modif2, c)) { |
| 194 | case A3('>', '\0', 'c'): /* DA secondary */ |
| 195 | wsdisplay_emulinput(edp->cbcookie, WSEMUL_VT_ID2, |
| 196 | sizeof(WSEMUL_VT_ID2)); |
| 197 | break; |
| 198 | |
| 199 | case A3('\0', '\0', 'J'): /* ED selective erase in display */ |
| 200 | case A3('?', '\0', 'J'): /* DECSED selective erase in display */ |
| 201 | wsemul_vt100_ed(edp, ARG(edp, 0)); |
| 202 | break; |
| 203 | case A3('\0', '\0', 'K'): /* EL selective erase in line */ |
| 204 | case A3('?', '\0', 'K'): /* DECSEL selective erase in line */ |
| 205 | wsemul_vt100_el(edp, ARG(edp, 0)); |
| 206 | break; |
| 207 | case A3('\0', '\0', 'h'): /* SM */ |
| 208 | for (n = 0; n < edp->nargs; n++) |
| 209 | vt100_ansimode(edp, ARG(edp, n), VTMODE_SET); |
| 210 | break; |
| 211 | case A3('?', '\0', 'h'): /* DECSM */ |
| 212 | for (n = 0; n < edp->nargs; n++) |
| 213 | vt100_decmode(edp, ARG(edp, n), VTMODE_SET); |
| 214 | break; |
| 215 | case A3('\0', '\0', 'l'): /* RM */ |
| 216 | for (n = 0; n < edp->nargs; n++) |
| 217 | vt100_ansimode(edp, ARG(edp, n), VTMODE_RESET); |
| 218 | break; |
| 219 | case A3('?', '\0', 'l'): /* DECRM */ |
| 220 | for (n = 0; n < edp->nargs; n++) |
| 221 | vt100_decmode(edp, ARG(edp, n), VTMODE_RESET); |
| 222 | break; |
| 223 | case A3('\0', '$', 'p'): /* DECRQM request mode ANSI */ |
| 224 | vt100_ansimode(edp, ARG(edp, 0), VTMODE_REPORT); |
| 225 | break; |
| 226 | case A3('?', '$', 'p'): /* DECRQM request mode DEC */ |
| 227 | vt100_decmode(edp, ARG(edp, 0), VTMODE_REPORT); |
| 228 | break; |
| 229 | case A3('\0', '\0', 'i'): /* MC printer controller mode */ |
| 230 | case A3('?', '\0', 'i'): /* MC printer controller mode */ |
| 231 | switch (ARG(edp, 0)) { |
| 232 | case 0: /* print screen */ |
| 233 | case 1: /* print cursor line */ |
| 234 | case 4: /* off */ |
| 235 | case 5: /* on */ |
| 236 | #ifdef VT100_PRINTNOTIMPL |
| 237 | printf("CSI%di ignored\n" , ARG(edp, 0)); |
| 238 | #endif |
| 239 | break; |
| 240 | default: |
| 241 | #ifdef VT100_PRINTUNKNOWN |
| 242 | printf("CSI%di unknown\n" , ARG(edp, 0)); |
| 243 | #endif |
| 244 | break; |
| 245 | } |
| 246 | break; |
| 247 | |
| 248 | #define A2(a, b) (((a) << 8) | (b)) |
| 249 | #if 0 /* XXX */ |
| 250 | case A2('!', 'p'): /* DECSTR soft reset VT300 only */ |
| 251 | wsemul_vt100_reset(edp); |
| 252 | break; |
| 253 | #endif |
| 254 | |
| 255 | case A2('"', 'p'): /* DECSCL */ |
| 256 | switch (ARG(edp, 0)) { |
| 257 | case 61: /* VT100 mode (no further arguments!) */ |
| 258 | break; |
| 259 | case 62: |
| 260 | case 63: /* VT300 mode */ |
| 261 | break; |
| 262 | default: |
| 263 | #ifdef VT100_PRINTUNKNOWN |
| 264 | printf("CSI%d\"p unknown\n" , ARG(edp, 0)); |
| 265 | #endif |
| 266 | break; |
| 267 | } |
| 268 | switch (ARG(edp, 1)) { |
| 269 | case 0: |
| 270 | case 2: /* 8-bit controls */ |
| 271 | #ifdef VT100_PRINTNOTIMPL |
| 272 | printf("CSI%d;%d\"p ignored\n" , ARG(edp, 0), ARG(edp, 1)); |
| 273 | #endif |
| 274 | break; |
| 275 | case 1: /* 7-bit controls */ |
| 276 | break; |
| 277 | default: |
| 278 | #ifdef VT100_PRINTUNKNOWN |
| 279 | printf("CSI%d;%d\"p unknown\n" , ARG(edp, 0), ARG(edp, 1)); |
| 280 | #endif |
| 281 | break; |
| 282 | } |
| 283 | break; |
| 284 | case A2('"', 'q'): /* DECSCA select character attribute VT300 */ |
| 285 | switch (ARG(edp, 0)) { |
| 286 | case 0: |
| 287 | case 1: /* erasable */ |
| 288 | break; |
| 289 | case 2: /* not erasable */ |
| 290 | #ifdef VT100_PRINTNOTIMPL |
| 291 | printf("CSI2\"q ignored\n" ); |
| 292 | #endif |
| 293 | break; |
| 294 | default: |
| 295 | #ifdef VT100_PRINTUNKNOWN |
| 296 | printf("CSI%d\"q unknown\n" , ARG(edp, 0)); |
| 297 | #endif |
| 298 | break; |
| 299 | } |
| 300 | break; |
| 301 | |
| 302 | case A2('$', 'u'): /* DECRQTSR request terminal status report */ |
| 303 | switch (ARG(edp, 0)) { |
| 304 | case 0: /* ignored */ |
| 305 | break; |
| 306 | case 1: /* terminal state report */ |
| 307 | #ifdef VT100_PRINTNOTIMPL |
| 308 | printf("CSI1$u ignored\n" ); |
| 309 | #endif |
| 310 | break; |
| 311 | default: |
| 312 | #ifdef VT100_PRINTUNKNOWN |
| 313 | printf("CSI%d$u unknown\n" , ARG(edp, 0)); |
| 314 | #endif |
| 315 | break; |
| 316 | } |
| 317 | break; |
| 318 | case A2('$', 'w'): /* DECRQPSR request presentation status report |
| 319 | (VT300 only) */ |
| 320 | switch (ARG(edp, 0)) { |
| 321 | case 0: /* error */ |
| 322 | break; |
| 323 | case 1: /* cursor information report */ |
| 324 | #ifdef VT100_PRINTNOTIMPL |
| 325 | printf("CSI1$w ignored\n" ); |
| 326 | #endif |
| 327 | break; |
| 328 | case 2: /* tab stop report */ |
| 329 | { |
| 330 | int i, j, ps = 0; |
| 331 | char buf[20]; |
| 332 | KASSERT(edp->tabs != 0); |
| 333 | wsdisplay_emulinput(edp->cbcookie, "\033P2$u" , 5); |
| 334 | for (i = 0; i < edp->ncols; i++) |
| 335 | if (edp->tabs[i]) { |
| 336 | j = snprintf(buf, sizeof(buf), "%s%d" , |
| 337 | (ps ? "/" : "" ), i + 1); |
| 338 | wsdisplay_emulinput(edp->cbcookie, |
| 339 | buf, j); |
| 340 | ps = 1; |
| 341 | } |
| 342 | } |
| 343 | wsdisplay_emulinput(edp->cbcookie, "\033\\" , 2); |
| 344 | break; |
| 345 | default: |
| 346 | #ifdef VT100_PRINTUNKNOWN |
| 347 | printf("CSI%d$w unknown\n" , ARG(edp, 0)); |
| 348 | #endif |
| 349 | break; |
| 350 | } |
| 351 | break; |
| 352 | case A2('$', '}'): /* DECSASD select active status display */ |
| 353 | switch (ARG(edp, 0)) { |
| 354 | case 0: /* main display */ |
| 355 | case 1: /* status line */ |
| 356 | #ifdef VT100_PRINTNOTIMPL |
| 357 | printf("CSI%d$} ignored\n" , ARG(edp, 0)); |
| 358 | #endif |
| 359 | break; |
| 360 | default: |
| 361 | #ifdef VT100_PRINTUNKNOWN |
| 362 | printf("CSI%d$} unknown\n" , ARG(edp, 0)); |
| 363 | #endif |
| 364 | break; |
| 365 | } |
| 366 | break; |
| 367 | case A2('$', '~'): /* DECSSDD select status line type */ |
| 368 | switch (ARG(edp, 0)) { |
| 369 | case 0: /* none */ |
| 370 | case 1: /* indicator */ |
| 371 | case 2: /* host-writable */ |
| 372 | #ifdef VT100_PRINTNOTIMPL |
| 373 | printf("CSI%d$~ ignored\n" , ARG(edp, 0)); |
| 374 | #endif |
| 375 | break; |
| 376 | default: |
| 377 | #ifdef VT100_PRINTUNKNOWN |
| 378 | printf("CSI%d$~ unknown\n" , ARG(edp, 0)); |
| 379 | #endif |
| 380 | break; |
| 381 | } |
| 382 | break; |
| 383 | |
| 384 | case A2('&', 'u'): /* DECRQUPSS request user preferred |
| 385 | supplemental set */ |
| 386 | wsdisplay_emulinput(edp->cbcookie, "\033P0!u%5\033\\" , 9); |
| 387 | break; |
| 388 | |
| 389 | case '@': /* ICH insert character VT300 only */ |
| 390 | n = min(DEF1_ARG(edp, 0), COLS_LEFT(edp) + 1); |
| 391 | help = NCOLS(edp) - (edp->ccol + n); |
| 392 | if (help > 0) |
| 393 | COPYCOLS(edp, edp->ccol, edp->ccol + n, help); |
| 394 | ERASECOLS(edp, edp->ccol, n, edp->bkgdattr); |
| 395 | break; |
| 396 | case 'A': /* CUU */ |
| 397 | edp->crow -= min(DEF1_ARG(edp, 0), ROWS_ABOVE(edp)); |
| 398 | CHECK_DW(edp); |
| 399 | break; |
| 400 | case 'B': /* CUD */ |
| 401 | edp->crow += min(DEF1_ARG(edp, 0), ROWS_BELOW(edp)); |
| 402 | CHECK_DW(edp); |
| 403 | break; |
| 404 | case 'C': /* CUF */ |
| 405 | edp->ccol += min(DEF1_ARG(edp, 0), COLS_LEFT(edp)); |
| 406 | break; |
| 407 | case 'D': /* CUB */ |
| 408 | edp->ccol -= min(DEF1_ARG(edp, 0), edp->ccol); |
| 409 | edp->flags &= ~VTFL_LASTCHAR; |
| 410 | break; |
| 411 | case 'H': /* CUP */ |
| 412 | case 'f': /* HVP */ |
| 413 | if (edp->flags & VTFL_DECOM) |
| 414 | edp->crow = edp->scrreg_startrow + |
| 415 | min(DEF1_ARG(edp, 0), edp->scrreg_nrows) - 1; |
| 416 | else |
| 417 | edp->crow = min(DEF1_ARG(edp, 0), edp->nrows) - 1; |
| 418 | CHECK_DW(edp); |
| 419 | edp->ccol = min(DEF1_ARG(edp, 1), NCOLS(edp)) - 1; |
| 420 | edp->flags &= ~VTFL_LASTCHAR; |
| 421 | break; |
| 422 | case 'L': /* IL insert line */ |
| 423 | case 'M': /* DL delete line */ |
| 424 | n = min(DEF1_ARG(edp, 0), ROWS_BELOW(edp) + 1); |
| 425 | { |
| 426 | int savscrstartrow, savscrnrows; |
| 427 | savscrstartrow = edp->scrreg_startrow; |
| 428 | savscrnrows = edp->scrreg_nrows; |
| 429 | edp->scrreg_nrows -= ROWS_ABOVE(edp); |
| 430 | edp->scrreg_startrow = edp->crow; |
| 431 | if (c == 'L') |
| 432 | wsemul_vt100_scrolldown(edp, n); |
| 433 | else |
| 434 | wsemul_vt100_scrollup(edp, n); |
| 435 | edp->scrreg_startrow = savscrstartrow; |
| 436 | edp->scrreg_nrows = savscrnrows; |
| 437 | } |
| 438 | break; |
| 439 | case 'P': /* DCH delete character */ |
| 440 | n = min(DEF1_ARG(edp, 0), COLS_LEFT(edp) + 1); |
| 441 | help = NCOLS(edp) - (edp->ccol + n); |
| 442 | if (help > 0) |
| 443 | COPYCOLS(edp, edp->ccol + n, edp->ccol, help); |
| 444 | ERASECOLS(edp, NCOLS(edp) - n, n, edp->bkgdattr); |
| 445 | break; |
| 446 | case 'X': /* ECH erase character */ |
| 447 | n = min(DEF1_ARG(edp, 0), COLS_LEFT(edp) + 1); |
| 448 | ERASECOLS(edp, edp->ccol, n, edp->bkgdattr); |
| 449 | break; |
| 450 | case 'c': /* DA primary */ |
| 451 | if (ARG(edp, 0) == 0) |
| 452 | wsdisplay_emulinput(edp->cbcookie, WSEMUL_VT_ID1, |
| 453 | sizeof(WSEMUL_VT_ID1)); |
| 454 | break; |
| 455 | case 'g': /* TBC */ |
| 456 | KASSERT(edp->tabs != 0); |
| 457 | switch (ARG(edp, 0)) { |
| 458 | case 0: |
| 459 | edp->tabs[edp->ccol] = 0; |
| 460 | break; |
| 461 | case 3: |
| 462 | memset(edp->tabs, 0, edp->ncols); |
| 463 | break; |
| 464 | default: |
| 465 | #ifdef VT100_PRINTUNKNOWN |
| 466 | printf("CSI%dg unknown\n" , ARG(edp, 0)); |
| 467 | #endif |
| 468 | break; |
| 469 | } |
| 470 | break; |
| 471 | case 'm': /* SGR select graphic rendition */ |
| 472 | flags = edp->attrflags; |
| 473 | fgcol = edp->fgcol; |
| 474 | bgcol = edp->bgcol; |
| 475 | for (n = 0; n < edp->nargs; n++) { |
| 476 | switch (ARG(edp, n)) { |
| 477 | case 0: /* reset */ |
| 478 | if (n == edp->nargs - 1) { |
| 479 | edp->bkgdattr = edp->curattr = edp->defattr; |
| 480 | edp->attrflags = edp->msgattrs.default_attrs; |
| 481 | edp->fgcol = edp->msgattrs.default_fg; |
| 482 | edp->bgcol = edp->msgattrs.default_bg; |
| 483 | return; |
| 484 | } |
| 485 | flags = edp->msgattrs.default_attrs; |
| 486 | fgcol = edp->msgattrs.default_fg; |
| 487 | bgcol = edp->msgattrs.default_bg; |
| 488 | break; |
| 489 | case 1: /* bold */ |
| 490 | flags |= WSATTR_HILIT; |
| 491 | break; |
| 492 | case 4: /* underline */ |
| 493 | flags |= WSATTR_UNDERLINE; |
| 494 | break; |
| 495 | case 5: /* blink */ |
| 496 | flags |= WSATTR_BLINK; |
| 497 | break; |
| 498 | case 7: /* reverse */ |
| 499 | flags |= WSATTR_REVERSE; |
| 500 | break; |
| 501 | case 22: /* ~bold VT300 only */ |
| 502 | flags &= ~WSATTR_HILIT; |
| 503 | break; |
| 504 | case 24: /* ~underline VT300 only */ |
| 505 | flags &= ~WSATTR_UNDERLINE; |
| 506 | break; |
| 507 | case 25: /* ~blink VT300 only */ |
| 508 | flags &= ~WSATTR_BLINK; |
| 509 | break; |
| 510 | case 27: /* ~reverse VT300 only */ |
| 511 | flags &= ~WSATTR_REVERSE; |
| 512 | break; |
| 513 | case 30: case 31: case 32: case 33: |
| 514 | case 34: case 35: case 36: case 37: |
| 515 | /* fg color */ |
| 516 | flags |= WSATTR_WSCOLORS; |
| 517 | fgcol = ARG(edp, n) - 30; |
| 518 | break; |
| 519 | case 40: case 41: case 42: case 43: |
| 520 | case 44: case 45: case 46: case 47: |
| 521 | /* bg color */ |
| 522 | flags |= WSATTR_WSCOLORS; |
| 523 | bgcol = ARG(edp, n) - 40; |
| 524 | break; |
| 525 | default: |
| 526 | #ifdef VT100_PRINTUNKNOWN |
| 527 | printf("CSI%dm unknown\n" , ARG(edp, n)); |
| 528 | #endif |
| 529 | break; |
| 530 | } |
| 531 | } |
| 532 | if (vt100_selectattribute(edp, flags, fgcol, bgcol, &attr, |
| 533 | &bkgdattr)) { |
| 534 | #ifdef VT100_DEBUG |
| 535 | printf("error allocating attr %d/%d/%x\n" , |
| 536 | fgcol, bgcol, flags); |
| 537 | #endif |
| 538 | } else { |
| 539 | edp->curattr = attr; |
| 540 | edp->bkgdattr = bkgdattr; |
| 541 | edp->attrflags = flags; |
| 542 | edp->fgcol = fgcol; |
| 543 | edp->bgcol = bgcol; |
| 544 | } |
| 545 | break; |
| 546 | case 'n': /* reports */ |
| 547 | switch (ARG(edp, 0)) { |
| 548 | case 5: /* DSR operating status */ |
| 549 | /* 0 = OK, 3 = malfunction */ |
| 550 | wsdisplay_emulinput(edp->cbcookie, "\033[0n" , 4); |
| 551 | break; |
| 552 | case 6: { /* DSR cursor position report */ |
| 553 | char buf[20]; |
| 554 | int row; |
| 555 | if (edp->flags & VTFL_DECOM) |
| 556 | row = ROWS_ABOVE(edp); |
| 557 | else |
| 558 | row = edp->crow; |
| 559 | n = snprintf(buf, sizeof(buf), "\033[%d;%dR" , |
| 560 | row + 1, edp->ccol + 1); |
| 561 | wsdisplay_emulinput(edp->cbcookie, buf, n); |
| 562 | } |
| 563 | break; |
| 564 | case 15: /* DSR printer status */ |
| 565 | /* 13 = no printer, 10 = ready, 11 = not ready */ |
| 566 | wsdisplay_emulinput(edp->cbcookie, "\033[?13n" , 6); |
| 567 | break; |
| 568 | case 25: /* UDK status - VT300 only */ |
| 569 | /* 20 = locked, 21 = unlocked */ |
| 570 | wsdisplay_emulinput(edp->cbcookie, "\033[?21n" , 6); |
| 571 | break; |
| 572 | case 26: /* keyboard dialect */ |
| 573 | /* 1 = north american , 7 = german */ |
| 574 | wsdisplay_emulinput(edp->cbcookie, "\033[?27;1n" , 8); |
| 575 | break; |
| 576 | default: |
| 577 | #ifdef VT100_PRINTUNKNOWN |
| 578 | printf("CSI%dn unknown\n" , ARG(edp, 0)); |
| 579 | #endif |
| 580 | break; |
| 581 | } |
| 582 | break; |
| 583 | case 'r': /* DECSTBM set top/bottom margins */ |
| 584 | help = min(DEF1_ARG(edp, 0), edp->nrows) - 1; |
| 585 | n = min(DEFx_ARG(edp, 1, edp->nrows), edp->nrows) - help; |
| 586 | if (n < 2) { |
| 587 | /* minimal scrolling region has 2 lines */ |
| 588 | return; |
| 589 | } else { |
| 590 | edp->scrreg_startrow = help; |
| 591 | edp->scrreg_nrows = n; |
| 592 | } |
| 593 | edp->crow = ((edp->flags & VTFL_DECOM) ? |
| 594 | edp->scrreg_startrow : 0); |
| 595 | edp->ccol = 0; |
| 596 | break; |
| 597 | case 'y': |
| 598 | switch (ARG(edp, 0)) { |
| 599 | case 4: /* DECTST invoke confidence test */ |
| 600 | /* ignore */ |
| 601 | break; |
| 602 | default: |
| 603 | #ifdef VT100_PRINTUNKNOWN |
| 604 | printf("CSI%dy unknown\n" , ARG(edp, 0)); |
| 605 | #endif |
| 606 | break; |
| 607 | } |
| 608 | break; |
| 609 | default: |
| 610 | #ifdef VT100_PRINTUNKNOWN |
| 611 | printf("CSI%c (%d, %d) unknown\n" , c, ARG(edp, 0), ARG(edp, 1)); |
| 612 | #endif |
| 613 | break; |
| 614 | } |
| 615 | } |
| 616 | |
| 617 | /* |
| 618 | * get an attribute from the graphics driver, |
| 619 | * try to find replacements if the desired appearance |
| 620 | * is not supported |
| 621 | */ |
| 622 | static int |
| 623 | vt100_selectattribute(struct vt100base_data *edp, |
| 624 | int flags, int fgcol, int bgcol, long *attr, long *bkgdattr) |
| 625 | { |
| 626 | int error; |
| 627 | |
| 628 | if (!(edp->scrcapabilities & WSSCREEN_WSCOLORS)) { |
| 629 | flags &= ~WSATTR_WSCOLORS; |
| 630 | #ifdef VT100_DEBUG |
| 631 | printf("colors ignored (impossible)\n" ); |
| 632 | #endif |
| 633 | } else |
| 634 | flags |= WSATTR_WSCOLORS; |
| 635 | error = (*edp->emulops->allocattr)(edp->emulcookie, fgcol, bgcol, |
| 636 | flags & WSATTR_WSCOLORS, bkgdattr); |
| 637 | if (error) |
| 638 | return (error); |
| 639 | |
| 640 | if ((flags & WSATTR_HILIT) && |
| 641 | !(edp->scrcapabilities & WSSCREEN_HILIT)) { |
| 642 | flags &= ~WSATTR_HILIT; |
| 643 | if (edp->scrcapabilities & WSSCREEN_WSCOLORS) { |
| 644 | #if defined(WSEMUL_VT100_HILIT_FG) && WSEMUL_VT100_HILIT_FG != -1 |
| 645 | fgcol = WSEMUL_VT100_HILIT_FG; |
| 646 | #elif !defined(WSEMUL_VT100_HILIT_FG) |
| 647 | fgcol = WSCOL_RED; |
| 648 | #endif |
| 649 | #if defined(WSEMUL_VT100_HILIT_BG) && WSEMUL_VT100_HILIT_BG != -1 |
| 650 | bgcol = WSEMUL_VT100_HILIT_BG; |
| 651 | #endif |
| 652 | flags |= WSATTR_WSCOLORS; |
| 653 | } else { |
| 654 | #ifdef VT100_DEBUG |
| 655 | printf("bold ignored (impossible)\n" ); |
| 656 | #endif |
| 657 | } |
| 658 | } |
| 659 | if ((flags & WSATTR_UNDERLINE) && |
| 660 | !(edp->scrcapabilities & WSSCREEN_UNDERLINE)) { |
| 661 | flags &= ~WSATTR_UNDERLINE; |
| 662 | if (edp->scrcapabilities & WSSCREEN_WSCOLORS) { |
| 663 | #if defined(WSEMUL_VT100_UNDERLINE_FG) && WSEMUL_VT100_UNDERLINE_FG != -1 |
| 664 | fgcol = WSEMUL_VT100_UNDERLINE_FG; |
| 665 | #endif |
| 666 | #if defined(WSEMUL_VT100_UNDERLINE_BG) && WSEMUL_VT100_UNDERLINE_BG != -1 |
| 667 | bgcol = WSEMUL_VT100_UNDERLINE_BG; |
| 668 | #elif !defined(WSEMUL_VT100_UNDERLINE_BG) |
| 669 | bgcol = WSCOL_BROWN; |
| 670 | #endif |
| 671 | flags |= WSATTR_WSCOLORS; |
| 672 | } else { |
| 673 | #ifdef VT100_DEBUG |
| 674 | printf("underline ignored (impossible)\n" ); |
| 675 | #endif |
| 676 | } |
| 677 | } |
| 678 | if ((flags & WSATTR_BLINK) && |
| 679 | !(edp->scrcapabilities & WSSCREEN_BLINK)) { |
| 680 | flags &= ~WSATTR_BLINK; |
| 681 | #ifdef VT100_DEBUG |
| 682 | printf("blink ignored (impossible)\n" ); |
| 683 | #endif |
| 684 | } |
| 685 | if ((flags & WSATTR_REVERSE) && |
| 686 | !(edp->scrcapabilities & WSSCREEN_REVERSE)) { |
| 687 | flags &= ~WSATTR_REVERSE; |
| 688 | if (edp->scrcapabilities & WSSCREEN_WSCOLORS) { |
| 689 | int help; |
| 690 | help = bgcol; |
| 691 | bgcol = fgcol; |
| 692 | fgcol = help; |
| 693 | flags |= WSATTR_WSCOLORS; |
| 694 | } else { |
| 695 | #ifdef VT100_DEBUG |
| 696 | printf("reverse ignored (impossible)\n" ); |
| 697 | #endif |
| 698 | } |
| 699 | } |
| 700 | error = (*edp->emulops->allocattr)(edp->emulcookie, fgcol, bgcol, |
| 701 | flags, attr); |
| 702 | if (error) |
| 703 | return (error); |
| 704 | |
| 705 | return (0); |
| 706 | } |
| 707 | |
| 708 | /* |
| 709 | * handle device control sequences if the main state machine |
| 710 | * told so by setting edp->dcstype to a nonzero value |
| 711 | */ |
| 712 | void |
| 713 | wsemul_vt100_handle_dcs(struct vt100base_data *edp) |
| 714 | { |
| 715 | int i, pos; |
| 716 | |
| 717 | switch (edp->dcstype) { |
| 718 | case 0: /* not handled */ |
| 719 | return; |
| 720 | case DCSTYPE_TABRESTORE: |
| 721 | KASSERT(edp->tabs != 0); |
| 722 | memset(edp->tabs, 0, edp->ncols); |
| 723 | pos = 0; |
| 724 | for (i = 0; i < edp->dcspos; i++) { |
| 725 | char c = edp->dcsarg[i]; |
| 726 | switch (c) { |
| 727 | case '0': case '1': case '2': case '3': case '4': |
| 728 | case '5': case '6': case '7': case '8': case '9': |
| 729 | pos = pos * 10 + (edp->dcsarg[i] - '0'); |
| 730 | break; |
| 731 | case '/': |
| 732 | if (pos > 0) |
| 733 | edp->tabs[pos - 1] = 1; |
| 734 | pos = 0; |
| 735 | break; |
| 736 | default: |
| 737 | #ifdef VT100_PRINTUNKNOWN |
| 738 | printf("unknown char %c in DCS\n" , c); |
| 739 | #endif |
| 740 | break; |
| 741 | } |
| 742 | } |
| 743 | if (pos > 0) |
| 744 | edp->tabs[pos - 1] = 1; |
| 745 | break; |
| 746 | default: |
| 747 | panic("wsemul_vt100_handle_dcs: bad type %d" , edp->dcstype); |
| 748 | } |
| 749 | edp->dcstype = 0; |
| 750 | } |
| 751 | |
| 752 | static int |
| 753 | vt100_ansimode(struct vt100base_data *edp, int nr, int op) |
| 754 | { |
| 755 | int res = 0; /* default: unknown */ |
| 756 | |
| 757 | switch (nr) { |
| 758 | case 2: /* KAM keyboard locked/unlocked */ |
| 759 | break; |
| 760 | case 3: /* CRM control representation */ |
| 761 | break; |
| 762 | case 4: /* IRM insert/replace characters */ |
| 763 | if (op == VTMODE_SET) |
| 764 | edp->flags |= VTFL_INSERTMODE; |
| 765 | else if (op == VTMODE_RESET) |
| 766 | edp->flags &= ~VTFL_INSERTMODE; |
| 767 | res = ((edp->flags & VTFL_INSERTMODE) ? 1 : 2); |
| 768 | break; |
| 769 | case 10: /* HEM horizontal editing (permanently reset) */ |
| 770 | res = 4; |
| 771 | break; |
| 772 | case 12: /* SRM local echo off/on */ |
| 773 | res = 4; /* permanently reset ??? */ |
| 774 | break; |
| 775 | case 20: /* LNM newline = newline/linefeed */ |
| 776 | break; |
| 777 | default: |
| 778 | #ifdef VT100_PRINTUNKNOWN |
| 779 | printf("ANSI mode %d unknown\n" , nr); |
| 780 | #endif |
| 781 | break; |
| 782 | } |
| 783 | return (res); |
| 784 | } |
| 785 | |
| 786 | static int |
| 787 | vt100_decmode(struct vt100base_data *edp, int nr, int op) |
| 788 | { |
| 789 | int res = 0; /* default: unknown */ |
| 790 | int flags; |
| 791 | |
| 792 | flags = edp->flags; |
| 793 | switch (nr) { |
| 794 | case 1: /* DECCKM application/nomal cursor keys */ |
| 795 | if (op == VTMODE_SET) |
| 796 | flags |= VTFL_APPLCURSOR; |
| 797 | else if (op == VTMODE_RESET) |
| 798 | flags &= ~VTFL_APPLCURSOR; |
| 799 | res = ((flags & VTFL_APPLCURSOR) ? 1 : 2); |
| 800 | break; |
| 801 | case 2: /* DECANM ANSI vt100/vt52 */ |
| 802 | res = 3; /* permanently set ??? */ |
| 803 | break; |
| 804 | case 3: /* DECCOLM 132/80 cols */ |
| 805 | case 4: /* DECSCLM smooth/jump scroll */ |
| 806 | case 5: /* DECSCNM light/dark background */ |
| 807 | res = 4; /* all permanently reset ??? */ |
| 808 | break; |
| 809 | case 6: /* DECOM move within/outside margins */ |
| 810 | if (op == VTMODE_SET) |
| 811 | flags |= VTFL_DECOM; |
| 812 | else if (op == VTMODE_RESET) |
| 813 | flags &= ~VTFL_DECOM; |
| 814 | res = ((flags & VTFL_DECOM) ? 1 : 2); |
| 815 | break; |
| 816 | case 7: /* DECAWM autowrap */ |
| 817 | if (op == VTMODE_SET) |
| 818 | flags |= VTFL_DECAWM; |
| 819 | else if (op == VTMODE_RESET) |
| 820 | flags &= ~VTFL_DECAWM; |
| 821 | res = ((flags & VTFL_DECAWM) ? 1 : 2); |
| 822 | break; |
| 823 | case 8: /* DECARM keyboard autorepeat */ |
| 824 | break; |
| 825 | case 18: /* DECPFF print form feed */ |
| 826 | break; |
| 827 | case 19: /* DECPEX printer extent: screen/scrolling region */ |
| 828 | break; |
| 829 | case 25: /* DECTCEM text cursor on/off */ |
| 830 | if (op == VTMODE_SET) |
| 831 | flags |= VTFL_CURSORON; |
| 832 | else if (op == VTMODE_RESET) |
| 833 | flags &= ~VTFL_CURSORON; |
| 834 | if (flags != edp->flags) |
| 835 | (*edp->emulops->cursor)(edp->emulcookie, |
| 836 | flags & VTFL_CURSORON, |
| 837 | edp->crow, edp->ccol); |
| 838 | res = ((flags & VTFL_CURSORON) ? 1 : 2); |
| 839 | break; |
| 840 | case 42: /* DECNRCM use 7-bit NRC / |
| 841 | 7/8 bit from DEC multilingual or ISO-latin-1*/ |
| 842 | if (op == VTMODE_SET) |
| 843 | flags |= VTFL_NATCHARSET; |
| 844 | else if (op == VTMODE_RESET) |
| 845 | flags &= ~VTFL_NATCHARSET; |
| 846 | res = ((flags & VTFL_NATCHARSET) ? 1 : 2); |
| 847 | break; |
| 848 | case 66: /* DECNKM numeric keypad */ |
| 849 | break; |
| 850 | case 68: /* DECKBUM keyboard usage data processing/typewriter */ |
| 851 | break; |
| 852 | default: |
| 853 | #ifdef VT100_PRINTUNKNOWN |
| 854 | printf("DEC mode %d unknown\n" , nr); |
| 855 | #endif |
| 856 | break; |
| 857 | } |
| 858 | edp->flags = flags; |
| 859 | |
| 860 | return (res); |
| 861 | } |
| 862 | |