| 1 | /* $NetBSD: wsemul_vt100.c,v 1.37 2015/08/24 22:50:33 pooka 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.c,v 1.37 2015/08/24 22:50:33 pooka Exp $" ); |
| 31 | |
| 32 | #ifdef _KERNEL_OPT |
| 33 | #include "opt_wsmsgattrs.h" |
| 34 | #endif |
| 35 | |
| 36 | #include <sys/param.h> |
| 37 | #include <sys/systm.h> |
| 38 | #include <sys/time.h> |
| 39 | #include <sys/malloc.h> |
| 40 | #include <sys/fcntl.h> |
| 41 | |
| 42 | #include <dev/wscons/wsconsio.h> |
| 43 | #include <dev/wscons/wsdisplayvar.h> |
| 44 | #include <dev/wscons/wsemulvar.h> |
| 45 | #include <dev/wscons/wsemul_vt100var.h> |
| 46 | #include <dev/wscons/ascii.h> |
| 47 | |
| 48 | void *wsemul_vt100_cnattach(const struct wsscreen_descr *, void *, |
| 49 | int, int, long); |
| 50 | void *wsemul_vt100_attach(int console, const struct wsscreen_descr *, |
| 51 | void *, int, int, void *, long); |
| 52 | void wsemul_vt100_output(void *cookie, const u_char *data, u_int count, int); |
| 53 | void wsemul_vt100_detach(void *cookie, u_int *crowp, u_int *ccolp); |
| 54 | void wsemul_vt100_resetop(void *, enum wsemul_resetops); |
| 55 | #ifdef WSDISPLAY_CUSTOM_OUTPUT |
| 56 | static void wsemul_vt100_getmsgattrs(void *, struct wsdisplay_msgattrs *); |
| 57 | static void wsemul_vt100_setmsgattrs(void *, const struct wsscreen_descr *, |
| 58 | const struct wsdisplay_msgattrs *); |
| 59 | #endif /* WSDISPLAY_CUSTOM_OUTPUT */ |
| 60 | |
| 61 | const struct wsemul_ops wsemul_vt100_ops = { |
| 62 | "vt100" , |
| 63 | wsemul_vt100_cnattach, |
| 64 | wsemul_vt100_attach, |
| 65 | wsemul_vt100_output, |
| 66 | wsemul_vt100_translate, |
| 67 | wsemul_vt100_detach, |
| 68 | wsemul_vt100_resetop, |
| 69 | #ifdef WSDISPLAY_CUSTOM_OUTPUT |
| 70 | wsemul_vt100_getmsgattrs, |
| 71 | wsemul_vt100_setmsgattrs, |
| 72 | #else |
| 73 | NULL, |
| 74 | NULL, |
| 75 | #endif |
| 76 | }; |
| 77 | |
| 78 | struct wsemul_vt100_emuldata wsemul_vt100_console_emuldata; |
| 79 | |
| 80 | static void wsemul_vt100_init(struct wsemul_vt100_emuldata *, |
| 81 | const struct wsscreen_descr *, |
| 82 | void *, int, int, long); |
| 83 | |
| 84 | static void wsemul_vt100_output_normal(struct wsemul_vt100_emuldata *, |
| 85 | u_char, int); |
| 86 | static void wsemul_vt100_output_c0c1(struct wsemul_vt100_emuldata *, |
| 87 | u_char, int); |
| 88 | static void wsemul_vt100_nextline(struct wsemul_vt100_emuldata *); |
| 89 | typedef u_int vt100_handler(struct wsemul_vt100_emuldata *, u_char); |
| 90 | |
| 91 | static vt100_handler |
| 92 | wsemul_vt100_output_esc, |
| 93 | wsemul_vt100_output_csi, |
| 94 | wsemul_vt100_output_scs94, |
| 95 | wsemul_vt100_output_scs94_percent, |
| 96 | wsemul_vt100_output_scs96, |
| 97 | wsemul_vt100_output_scs96_percent, |
| 98 | wsemul_vt100_output_esc_hash, |
| 99 | wsemul_vt100_output_esc_spc, |
| 100 | wsemul_vt100_output_string, |
| 101 | wsemul_vt100_output_string_esc, |
| 102 | wsemul_vt100_output_dcs, |
| 103 | wsemul_vt100_output_dcs_dollar; |
| 104 | |
| 105 | #define VT100_EMUL_STATE_NORMAL 0 /* normal processing */ |
| 106 | #define VT100_EMUL_STATE_ESC 1 /* got ESC */ |
| 107 | #define VT100_EMUL_STATE_CSI 2 /* got CSI (ESC[) */ |
| 108 | #define VT100_EMUL_STATE_SCS94 3 /* got ESC{()*+} */ |
| 109 | #define VT100_EMUL_STATE_SCS94_PERCENT 4 /* got ESC{()*+}% */ |
| 110 | #define VT100_EMUL_STATE_SCS96 5 /* got ESC{-./} */ |
| 111 | #define VT100_EMUL_STATE_SCS96_PERCENT 6 /* got ESC{-./}% */ |
| 112 | #define VT100_EMUL_STATE_ESC_HASH 7 /* got ESC# */ |
| 113 | #define VT100_EMUL_STATE_ESC_SPC 8 /* got ESC<SPC> */ |
| 114 | #define VT100_EMUL_STATE_STRING 9 /* waiting for ST (ESC\) */ |
| 115 | #define VT100_EMUL_STATE_STRING_ESC 10 /* waiting for ST, got ESC */ |
| 116 | #define VT100_EMUL_STATE_DCS 11 /* got DCS (ESC P) */ |
| 117 | #define VT100_EMUL_STATE_DCS_DOLLAR 12 /* got DCS<p>$ */ |
| 118 | |
| 119 | vt100_handler *vt100_output[] = { |
| 120 | wsemul_vt100_output_esc, |
| 121 | wsemul_vt100_output_csi, |
| 122 | wsemul_vt100_output_scs94, |
| 123 | wsemul_vt100_output_scs94_percent, |
| 124 | wsemul_vt100_output_scs96, |
| 125 | wsemul_vt100_output_scs96_percent, |
| 126 | wsemul_vt100_output_esc_hash, |
| 127 | wsemul_vt100_output_esc_spc, |
| 128 | wsemul_vt100_output_string, |
| 129 | wsemul_vt100_output_string_esc, |
| 130 | wsemul_vt100_output_dcs, |
| 131 | wsemul_vt100_output_dcs_dollar, |
| 132 | }; |
| 133 | |
| 134 | static void |
| 135 | wsemul_vt100_init(struct wsemul_vt100_emuldata *edp, |
| 136 | const struct wsscreen_descr *type, void *cookie, int ccol, int crow, |
| 137 | long defattr) |
| 138 | { |
| 139 | struct vt100base_data *vd = &edp->bd; |
| 140 | int error; |
| 141 | |
| 142 | vd->emulops = type->textops; |
| 143 | vd->emulcookie = cookie; |
| 144 | vd->scrcapabilities = type->capabilities; |
| 145 | vd->nrows = type->nrows; |
| 146 | vd->ncols = type->ncols; |
| 147 | vd->crow = crow; |
| 148 | vd->ccol = ccol; |
| 149 | |
| 150 | /* The underlying driver has already allocated a default and simple |
| 151 | * attribute for us, which is stored in defattr. We try to set the |
| 152 | * values specified by the kernel options below, but in case of |
| 153 | * failure we fallback to the value given by the driver. */ |
| 154 | |
| 155 | if (type->capabilities & WSSCREEN_WSCOLORS) { |
| 156 | vd->msgattrs.default_attrs = WS_DEFAULT_COLATTR | |
| 157 | WSATTR_WSCOLORS; |
| 158 | vd->msgattrs.default_bg = WS_DEFAULT_BG; |
| 159 | vd->msgattrs.default_fg = WS_DEFAULT_FG; |
| 160 | |
| 161 | vd->msgattrs.kernel_attrs = WS_KERNEL_COLATTR | |
| 162 | WSATTR_WSCOLORS; |
| 163 | vd->msgattrs.kernel_bg = WS_KERNEL_BG; |
| 164 | vd->msgattrs.kernel_fg = WS_KERNEL_FG; |
| 165 | } else { |
| 166 | vd->msgattrs.default_attrs = WS_DEFAULT_MONOATTR; |
| 167 | vd->msgattrs.default_bg = vd->msgattrs.default_fg = 0; |
| 168 | |
| 169 | vd->msgattrs.kernel_attrs = WS_KERNEL_MONOATTR; |
| 170 | vd->msgattrs.kernel_bg = vd->msgattrs.kernel_fg = 0; |
| 171 | } |
| 172 | |
| 173 | error = (*vd->emulops->allocattr)(cookie, |
| 174 | vd->msgattrs.default_fg, |
| 175 | vd->msgattrs.default_bg, |
| 176 | vd->msgattrs.default_attrs, |
| 177 | &vd->defattr); |
| 178 | if (error) { |
| 179 | vd->defattr = defattr; |
| 180 | /* XXX This assumes the driver has allocated white on black |
| 181 | * XXX as the default attribute, which is not always true. |
| 182 | * XXX Maybe we need an emulop that, given an attribute, |
| 183 | * XXX (defattr) returns its flags and colors? */ |
| 184 | vd->msgattrs.default_attrs = 0; |
| 185 | vd->msgattrs.default_bg = WSCOL_BLACK; |
| 186 | vd->msgattrs.default_fg = WSCOL_WHITE; |
| 187 | } else { |
| 188 | if (vd->emulops->replaceattr != NULL) |
| 189 | (*vd->emulops->replaceattr)(cookie, defattr, |
| 190 | vd->defattr); |
| 191 | } |
| 192 | |
| 193 | #if defined(WS_KERNEL_CUSTOMIZED) |
| 194 | /* Set up kernel colors, in case they were customized by the user; |
| 195 | * otherwise default to the colors specified for the console. |
| 196 | * In case of failure, we use console colors too; we can assume |
| 197 | * they are good as they have been previously allocated and |
| 198 | * verified. */ |
| 199 | error = (*vd->emulops->allocattr)(cookie, |
| 200 | vd->msgattrs.kernel_fg, |
| 201 | vd->msgattrs.kernel_bg, |
| 202 | vd->msgattrs.kernel_attrs, |
| 203 | &edp->kernattr); |
| 204 | if (error) |
| 205 | #endif |
| 206 | edp->kernattr = vd->defattr; |
| 207 | } |
| 208 | |
| 209 | void * |
| 210 | wsemul_vt100_cnattach(const struct wsscreen_descr *type, void *cookie, |
| 211 | int ccol, int crow, long defattr) |
| 212 | { |
| 213 | struct wsemul_vt100_emuldata *edp; |
| 214 | struct vt100base_data *vd; |
| 215 | |
| 216 | edp = &wsemul_vt100_console_emuldata; |
| 217 | vd = &edp->bd; |
| 218 | wsemul_vt100_init(edp, type, cookie, ccol, crow, defattr); |
| 219 | #ifdef DIAGNOSTIC |
| 220 | edp->console = 1; |
| 221 | #endif |
| 222 | vd->cbcookie = NULL; |
| 223 | |
| 224 | vd->tabs = 0; |
| 225 | vd->dblwid = 0; |
| 226 | vd->dw = 0; |
| 227 | vd->dcsarg = 0; |
| 228 | edp->isolatin1tab = edp->decgraphtab = edp->dectechtab = 0; |
| 229 | edp->nrctab = 0; |
| 230 | wsemul_vt100_reset(edp); |
| 231 | return (edp); |
| 232 | } |
| 233 | |
| 234 | void * |
| 235 | wsemul_vt100_attach(int console, const struct wsscreen_descr *type, |
| 236 | void *cookie, int ccol, int crow, void *cbcookie, long defattr) |
| 237 | { |
| 238 | struct wsemul_vt100_emuldata *edp; |
| 239 | struct vt100base_data *vd; |
| 240 | |
| 241 | if (console) { |
| 242 | edp = &wsemul_vt100_console_emuldata; |
| 243 | #ifdef DIAGNOSTIC |
| 244 | KASSERT(edp->console == 1); |
| 245 | #endif |
| 246 | } else { |
| 247 | edp = malloc(sizeof *edp, M_DEVBUF, M_WAITOK); |
| 248 | wsemul_vt100_init(edp, type, cookie, ccol, crow, defattr); |
| 249 | #ifdef DIAGNOSTIC |
| 250 | edp->console = 0; |
| 251 | #endif |
| 252 | } |
| 253 | vd = &edp->bd; |
| 254 | vd->cbcookie = cbcookie; |
| 255 | |
| 256 | vd->tabs = malloc(vd->ncols, M_DEVBUF, M_NOWAIT); |
| 257 | vd->dblwid = malloc(vd->nrows, M_DEVBUF, M_NOWAIT|M_ZERO); |
| 258 | vd->dw = 0; |
| 259 | vd->dcsarg = malloc(DCS_MAXLEN, M_DEVBUF, M_NOWAIT); |
| 260 | edp->isolatin1tab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT); |
| 261 | edp->decgraphtab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT); |
| 262 | edp->dectechtab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT); |
| 263 | edp->nrctab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT); |
| 264 | vt100_initchartables(edp); |
| 265 | wsemul_vt100_reset(edp); |
| 266 | return (edp); |
| 267 | } |
| 268 | |
| 269 | void |
| 270 | wsemul_vt100_detach(void *cookie, u_int *crowp, u_int *ccolp) |
| 271 | { |
| 272 | struct wsemul_vt100_emuldata *edp = cookie; |
| 273 | struct vt100base_data *vd = &edp->bd; |
| 274 | |
| 275 | *crowp = vd->crow; |
| 276 | *ccolp = vd->ccol; |
| 277 | #define f(ptr) if (ptr) {free(ptr, M_DEVBUF); ptr = 0;} |
| 278 | f(vd->tabs) |
| 279 | f(vd->dblwid) |
| 280 | f(vd->dcsarg) |
| 281 | f(edp->isolatin1tab) |
| 282 | f(edp->decgraphtab) |
| 283 | f(edp->dectechtab) |
| 284 | f(edp->nrctab) |
| 285 | #undef f |
| 286 | if (edp != &wsemul_vt100_console_emuldata) |
| 287 | free(edp, M_DEVBUF); |
| 288 | } |
| 289 | |
| 290 | void |
| 291 | wsemul_vt100_resetop(void *cookie, enum wsemul_resetops op) |
| 292 | { |
| 293 | struct wsemul_vt100_emuldata *edp = cookie; |
| 294 | struct vt100base_data *vd = &edp->bd; |
| 295 | |
| 296 | switch (op) { |
| 297 | case WSEMUL_RESET: |
| 298 | wsemul_vt100_reset(edp); |
| 299 | break; |
| 300 | case WSEMUL_SYNCFONT: |
| 301 | vt100_initchartables(edp); |
| 302 | break; |
| 303 | case WSEMUL_CLEARSCREEN: |
| 304 | wsemul_vt100_ed(vd, 2); |
| 305 | vd->ccol = vd->crow = 0; |
| 306 | (*vd->emulops->cursor)(vd->emulcookie, |
| 307 | vd->flags & VTFL_CURSORON, 0, 0); |
| 308 | break; |
| 309 | default: |
| 310 | break; |
| 311 | } |
| 312 | } |
| 313 | |
| 314 | void |
| 315 | wsemul_vt100_reset(struct wsemul_vt100_emuldata *edp) |
| 316 | { |
| 317 | struct vt100base_data *vd = &edp->bd; |
| 318 | int i; |
| 319 | |
| 320 | edp->state = VT100_EMUL_STATE_NORMAL; |
| 321 | vd->flags = VTFL_DECAWM | VTFL_CURSORON; |
| 322 | vd->bkgdattr = vd->curattr = vd->defattr; |
| 323 | vd->attrflags = vd->msgattrs.default_attrs; |
| 324 | vd->fgcol = vd->msgattrs.default_fg; |
| 325 | vd->bgcol = vd->msgattrs.default_bg; |
| 326 | vd->scrreg_startrow = 0; |
| 327 | vd->scrreg_nrows = vd->nrows; |
| 328 | if (vd->tabs) { |
| 329 | memset(vd->tabs, 0, vd->ncols); |
| 330 | for (i = 8; i < vd->ncols; i += 8) |
| 331 | vd->tabs[i] = 1; |
| 332 | } |
| 333 | vd->dcspos = 0; |
| 334 | vd->dcstype = 0; |
| 335 | edp->chartab_G[0] = 0; |
| 336 | edp->chartab_G[1] = edp->nrctab; /* ??? */ |
| 337 | edp->chartab_G[2] = edp->isolatin1tab; |
| 338 | edp->chartab_G[3] = edp->isolatin1tab; |
| 339 | edp->chartab0 = 0; |
| 340 | edp->chartab1 = 2; |
| 341 | edp->sschartab = 0; |
| 342 | } |
| 343 | |
| 344 | /* |
| 345 | * now all the state machine bits |
| 346 | */ |
| 347 | |
| 348 | /* |
| 349 | * Move the cursor to the next line if possible. If the cursor is at |
| 350 | * the bottom of the scroll area, then scroll it up. If the cursor is |
| 351 | * at the bottom of the screen then don't move it down. |
| 352 | */ |
| 353 | static void |
| 354 | wsemul_vt100_nextline(struct wsemul_vt100_emuldata *edp) |
| 355 | { |
| 356 | struct vt100base_data *vd = &edp->bd; |
| 357 | |
| 358 | if (ROWS_BELOW(vd) == 0) { |
| 359 | /* Bottom of the scroll region. */ |
| 360 | wsemul_vt100_scrollup(vd, 1); |
| 361 | } else { |
| 362 | if ((vd->crow+1) < vd->nrows) |
| 363 | /* Cursor not at the bottom of the screen. */ |
| 364 | vd->crow++; |
| 365 | CHECK_DW(vd); |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | static void |
| 370 | wsemul_vt100_output_normal(struct wsemul_vt100_emuldata *edp, u_char c, |
| 371 | int kernel) |
| 372 | { |
| 373 | struct vt100base_data *vd = &edp->bd; |
| 374 | u_int *ct, dc; |
| 375 | |
| 376 | if ((vd->flags & (VTFL_LASTCHAR | VTFL_DECAWM)) == |
| 377 | (VTFL_LASTCHAR | VTFL_DECAWM)) { |
| 378 | wsemul_vt100_nextline(edp); |
| 379 | vd->ccol = 0; |
| 380 | vd->flags &= ~VTFL_LASTCHAR; |
| 381 | } |
| 382 | |
| 383 | if (c & 0x80) { |
| 384 | c &= 0x7f; |
| 385 | ct = edp->chartab_G[edp->chartab1]; |
| 386 | } else { |
| 387 | if (edp->sschartab) { |
| 388 | ct = edp->chartab_G[edp->sschartab]; |
| 389 | edp->sschartab = 0; |
| 390 | } else |
| 391 | ct = edp->chartab_G[edp->chartab0]; |
| 392 | } |
| 393 | dc = (ct ? ct[c] : c); |
| 394 | |
| 395 | if ((vd->flags & VTFL_INSERTMODE) && COLS_LEFT(vd)) |
| 396 | COPYCOLS(vd, vd->ccol, vd->ccol + 1, COLS_LEFT(vd)); |
| 397 | |
| 398 | (*vd->emulops->putchar)(vd->emulcookie, vd->crow, |
| 399 | vd->ccol << vd->dw, dc, |
| 400 | kernel ? edp->kernattr : vd->curattr); |
| 401 | |
| 402 | if (COLS_LEFT(vd)) |
| 403 | vd->ccol++; |
| 404 | else |
| 405 | vd->flags |= VTFL_LASTCHAR; |
| 406 | } |
| 407 | |
| 408 | static void |
| 409 | wsemul_vt100_output_c0c1(struct wsemul_vt100_emuldata *edp, u_char c, |
| 410 | int kernel) |
| 411 | { |
| 412 | struct vt100base_data *vd = &edp->bd; |
| 413 | u_int n; |
| 414 | |
| 415 | switch (c) { |
| 416 | case ASCII_NUL: |
| 417 | default: |
| 418 | /* ignore */ |
| 419 | break; |
| 420 | case ASCII_BEL: |
| 421 | wsdisplay_emulbell(vd->cbcookie); |
| 422 | break; |
| 423 | case ASCII_BS: |
| 424 | if (vd->ccol > 0) { |
| 425 | vd->ccol--; |
| 426 | vd->flags &= ~VTFL_LASTCHAR; |
| 427 | } |
| 428 | break; |
| 429 | case ASCII_CR: |
| 430 | vd->ccol = 0; |
| 431 | vd->flags &= ~VTFL_LASTCHAR; |
| 432 | break; |
| 433 | case ASCII_HT: |
| 434 | if (vd->tabs) { |
| 435 | if (!COLS_LEFT(vd)) |
| 436 | break; |
| 437 | for (n = vd->ccol + 1; n < NCOLS(vd) - 1; n++) |
| 438 | if (vd->tabs[n]) |
| 439 | break; |
| 440 | } else { |
| 441 | n = vd->ccol + min(8 - (vd->ccol & 7), COLS_LEFT(vd)); |
| 442 | } |
| 443 | vd->ccol = n; |
| 444 | break; |
| 445 | case ASCII_SO: /* LS1 */ |
| 446 | edp->chartab0 = 1; |
| 447 | break; |
| 448 | case ASCII_SI: /* LS0 */ |
| 449 | edp->chartab0 = 0; |
| 450 | break; |
| 451 | case ASCII_ESC: |
| 452 | if (kernel) { |
| 453 | printf("wsemul_vt100_output_c0c1: ESC in kernel output ignored\n" ); |
| 454 | break; /* ignore the ESC */ |
| 455 | } |
| 456 | |
| 457 | if (edp->state == VT100_EMUL_STATE_STRING) { |
| 458 | /* might be a string end */ |
| 459 | edp->state = VT100_EMUL_STATE_STRING_ESC; |
| 460 | } else { |
| 461 | /* XXX cancel current escape sequence */ |
| 462 | edp->state = VT100_EMUL_STATE_ESC; |
| 463 | } |
| 464 | break; |
| 465 | #if 0 |
| 466 | case CSI: /* 8-bit */ |
| 467 | /* XXX cancel current escape sequence */ |
| 468 | edp->nargs = 0; |
| 469 | memset(edp->args, 0, sizeof (edp->args)); |
| 470 | edp->modif1 = edp->modif2 = '\0'; |
| 471 | edp->state = VT100_EMUL_STATE_CSI; |
| 472 | break; |
| 473 | case DCS: /* 8-bit */ |
| 474 | /* XXX cancel current escape sequence */ |
| 475 | edp->nargs = 0; |
| 476 | memset(edp->args, 0, sizeof (edp->args)); |
| 477 | edp->state = VT100_EMUL_STATE_DCS; |
| 478 | break; |
| 479 | case ST: /* string end 8-bit */ |
| 480 | /* XXX only in VT100_EMUL_STATE_STRING */ |
| 481 | wsemul_vt100_handle_dcs(edp); |
| 482 | return (VT100_EMUL_STATE_NORMAL); |
| 483 | #endif |
| 484 | case ASCII_LF: |
| 485 | case ASCII_VT: |
| 486 | case ASCII_FF: |
| 487 | wsemul_vt100_nextline(edp); |
| 488 | break; |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | static u_int |
| 493 | wsemul_vt100_output_esc(struct wsemul_vt100_emuldata *edp, u_char c) |
| 494 | { |
| 495 | struct vt100base_data *vd = &edp->bd; |
| 496 | u_int newstate = VT100_EMUL_STATE_NORMAL; |
| 497 | int i; |
| 498 | |
| 499 | switch (c) { |
| 500 | case '[': /* CSI */ |
| 501 | vd->nargs = 0; |
| 502 | memset(vd->args, 0, sizeof (vd->args)); |
| 503 | vd->modif1 = vd->modif2 = '\0'; |
| 504 | newstate = VT100_EMUL_STATE_CSI; |
| 505 | break; |
| 506 | case '7': /* DECSC */ |
| 507 | vd->flags |= VTFL_SAVEDCURS; |
| 508 | edp->savedcursor_row = vd->crow; |
| 509 | edp->savedcursor_col = vd->ccol; |
| 510 | edp->savedattr = vd->curattr; |
| 511 | edp->savedbkgdattr = vd->bkgdattr; |
| 512 | edp->savedattrflags = vd->attrflags; |
| 513 | edp->savedfgcol = vd->fgcol; |
| 514 | edp->savedbgcol = vd->bgcol; |
| 515 | for (i = 0; i < 4; i++) |
| 516 | edp->savedchartab_G[i] = edp->chartab_G[i]; |
| 517 | edp->savedchartab0 = edp->chartab0; |
| 518 | edp->savedchartab1 = edp->chartab1; |
| 519 | break; |
| 520 | case '8': /* DECRC */ |
| 521 | if ((vd->flags & VTFL_SAVEDCURS) == 0) |
| 522 | break; |
| 523 | vd->crow = edp->savedcursor_row; |
| 524 | vd->ccol = edp->savedcursor_col; |
| 525 | vd->curattr = edp->savedattr; |
| 526 | vd->bkgdattr = edp->savedbkgdattr; |
| 527 | vd->attrflags = edp->savedattrflags; |
| 528 | vd->fgcol = edp->savedfgcol; |
| 529 | vd->bgcol = edp->savedbgcol; |
| 530 | for (i = 0; i < 4; i++) |
| 531 | edp->chartab_G[i] = edp->savedchartab_G[i]; |
| 532 | edp->chartab0 = edp->savedchartab0; |
| 533 | edp->chartab1 = edp->savedchartab1; |
| 534 | break; |
| 535 | case '=': /* DECKPAM application mode */ |
| 536 | vd->flags |= VTFL_APPLKEYPAD; |
| 537 | break; |
| 538 | case '>': /* DECKPNM numeric mode */ |
| 539 | vd->flags &= ~VTFL_APPLKEYPAD; |
| 540 | break; |
| 541 | case 'E': /* NEL */ |
| 542 | vd->ccol = 0; |
| 543 | /* FALLTHRU */ |
| 544 | case 'D': /* IND */ |
| 545 | wsemul_vt100_nextline(edp); |
| 546 | break; |
| 547 | case 'H': /* HTS */ |
| 548 | KASSERT(vd->tabs != 0); |
| 549 | vd->tabs[vd->ccol] = 1; |
| 550 | break; |
| 551 | case '~': /* LS1R */ |
| 552 | edp->chartab1 = 1; |
| 553 | break; |
| 554 | case 'n': /* LS2 */ |
| 555 | edp->chartab0 = 2; |
| 556 | break; |
| 557 | case '}': /* LS2R */ |
| 558 | edp->chartab1 = 2; |
| 559 | break; |
| 560 | case 'o': /* LS3 */ |
| 561 | edp->chartab0 = 3; |
| 562 | break; |
| 563 | case '|': /* LS3R */ |
| 564 | edp->chartab1 = 3; |
| 565 | break; |
| 566 | case 'N': /* SS2 */ |
| 567 | edp->sschartab = 2; |
| 568 | break; |
| 569 | case 'O': /* SS3 */ |
| 570 | edp->sschartab = 3; |
| 571 | break; |
| 572 | case 'M': /* RI */ |
| 573 | if (ROWS_ABOVE(vd) > 0) { |
| 574 | vd->crow--; |
| 575 | CHECK_DW(vd); |
| 576 | break; |
| 577 | } |
| 578 | wsemul_vt100_scrolldown(vd, 1); |
| 579 | break; |
| 580 | case 'P': /* DCS */ |
| 581 | vd->nargs = 0; |
| 582 | memset(vd->args, 0, sizeof (vd->args)); |
| 583 | newstate = VT100_EMUL_STATE_DCS; |
| 584 | break; |
| 585 | case 'c': /* RIS */ |
| 586 | wsemul_vt100_reset(edp); |
| 587 | wsemul_vt100_ed(vd, 2); |
| 588 | vd->ccol = vd->crow = 0; |
| 589 | break; |
| 590 | case '(': case ')': case '*': case '+': /* SCS */ |
| 591 | edp->designating = c - '('; |
| 592 | newstate = VT100_EMUL_STATE_SCS94; |
| 593 | break; |
| 594 | case '-': case '.': case '/': /* SCS */ |
| 595 | edp->designating = c - '-' + 1; |
| 596 | newstate = VT100_EMUL_STATE_SCS96; |
| 597 | break; |
| 598 | case '#': |
| 599 | newstate = VT100_EMUL_STATE_ESC_HASH; |
| 600 | break; |
| 601 | case ' ': /* 7/8 bit */ |
| 602 | newstate = VT100_EMUL_STATE_ESC_SPC; |
| 603 | break; |
| 604 | case ']': /* OSC operating system command */ |
| 605 | case '^': /* PM privacy message */ |
| 606 | case '_': /* APC application program command */ |
| 607 | /* ignored */ |
| 608 | newstate = VT100_EMUL_STATE_STRING; |
| 609 | break; |
| 610 | case '<': /* exit VT52 mode - ignored */ |
| 611 | break; |
| 612 | default: |
| 613 | #ifdef VT100_PRINTUNKNOWN |
| 614 | printf("ESC%c unknown\n" , c); |
| 615 | #endif |
| 616 | break; |
| 617 | } |
| 618 | |
| 619 | return (newstate); |
| 620 | } |
| 621 | |
| 622 | static u_int |
| 623 | wsemul_vt100_output_scs94(struct wsemul_vt100_emuldata *edp, u_char c) |
| 624 | { |
| 625 | u_int newstate = VT100_EMUL_STATE_NORMAL; |
| 626 | |
| 627 | switch (c) { |
| 628 | case '%': /* probably DEC supplemental graphic */ |
| 629 | newstate = VT100_EMUL_STATE_SCS94_PERCENT; |
| 630 | break; |
| 631 | case 'A': /* british / national */ |
| 632 | edp->chartab_G[edp->designating] = edp->nrctab; |
| 633 | break; |
| 634 | case 'B': /* ASCII */ |
| 635 | edp->chartab_G[edp->designating] = 0; |
| 636 | break; |
| 637 | case '<': /* user preferred supplemental */ |
| 638 | /* XXX not really "user" preferred */ |
| 639 | edp->chartab_G[edp->designating] = edp->isolatin1tab; |
| 640 | break; |
| 641 | case '0': /* DEC special graphic */ |
| 642 | edp->chartab_G[edp->designating] = edp->decgraphtab; |
| 643 | break; |
| 644 | case '>': /* DEC tech */ |
| 645 | edp->chartab_G[edp->designating] = edp->dectechtab; |
| 646 | break; |
| 647 | default: |
| 648 | #ifdef VT100_PRINTUNKNOWN |
| 649 | printf("ESC%c%c unknown\n" , edp->designating + '(', c); |
| 650 | #endif |
| 651 | break; |
| 652 | } |
| 653 | return (newstate); |
| 654 | } |
| 655 | |
| 656 | static u_int |
| 657 | wsemul_vt100_output_scs94_percent(struct wsemul_vt100_emuldata *edp, u_char c) |
| 658 | { |
| 659 | switch (c) { |
| 660 | case '5': /* DEC supplemental graphic */ |
| 661 | /* XXX there are differences */ |
| 662 | edp->chartab_G[edp->designating] = edp->isolatin1tab; |
| 663 | break; |
| 664 | default: |
| 665 | #ifdef VT100_PRINTUNKNOWN |
| 666 | printf("ESC%c%%%c unknown\n" , edp->designating + '(', c); |
| 667 | #endif |
| 668 | break; |
| 669 | } |
| 670 | return (VT100_EMUL_STATE_NORMAL); |
| 671 | } |
| 672 | |
| 673 | static u_int |
| 674 | wsemul_vt100_output_scs96(struct wsemul_vt100_emuldata *edp, u_char c) |
| 675 | { |
| 676 | u_int newstate = VT100_EMUL_STATE_NORMAL; |
| 677 | int nrc; |
| 678 | |
| 679 | switch (c) { |
| 680 | case '%': /* probably portuguese */ |
| 681 | newstate = VT100_EMUL_STATE_SCS96_PERCENT; |
| 682 | break; |
| 683 | case 'A': /* ISO-latin-1 supplemental */ |
| 684 | edp->chartab_G[edp->designating] = edp->isolatin1tab; |
| 685 | break; |
| 686 | case '4': /* dutch */ |
| 687 | nrc = 1; |
| 688 | goto setnrc; |
| 689 | case '5': case 'C': /* finnish */ |
| 690 | nrc = 2; |
| 691 | goto setnrc; |
| 692 | case 'R': /* french */ |
| 693 | nrc = 3; |
| 694 | goto setnrc; |
| 695 | case 'Q': /* french canadian */ |
| 696 | nrc = 4; |
| 697 | goto setnrc; |
| 698 | case 'K': /* german */ |
| 699 | nrc = 5; |
| 700 | goto setnrc; |
| 701 | case 'Y': /* italian */ |
| 702 | nrc = 6; |
| 703 | goto setnrc; |
| 704 | case 'E': case '6': /* norwegian / danish */ |
| 705 | nrc = 7; |
| 706 | goto setnrc; |
| 707 | case 'Z': /* spanish */ |
| 708 | nrc = 9; |
| 709 | goto setnrc; |
| 710 | case '7': case 'H': /* swedish */ |
| 711 | nrc = 10; |
| 712 | goto setnrc; |
| 713 | case '=': /* swiss */ |
| 714 | nrc = 11; |
| 715 | setnrc: |
| 716 | vt100_setnrc(edp, nrc); /* what table ??? */ |
| 717 | break; |
| 718 | default: |
| 719 | #ifdef VT100_PRINTUNKNOWN |
| 720 | printf("ESC%c%c unknown\n" , edp->designating + '-' - 1, c); |
| 721 | #endif |
| 722 | break; |
| 723 | } |
| 724 | return (newstate); |
| 725 | } |
| 726 | |
| 727 | static u_int |
| 728 | wsemul_vt100_output_scs96_percent(struct wsemul_vt100_emuldata *edp, u_char c) |
| 729 | { |
| 730 | switch (c) { |
| 731 | case '6': /* portuguese */ |
| 732 | vt100_setnrc(edp, 8); |
| 733 | break; |
| 734 | default: |
| 735 | #ifdef VT100_PRINTUNKNOWN |
| 736 | printf("ESC%c%%%c unknown\n" , edp->designating + '-', c); |
| 737 | #endif |
| 738 | break; |
| 739 | } |
| 740 | return (VT100_EMUL_STATE_NORMAL); |
| 741 | } |
| 742 | |
| 743 | static u_int |
| 744 | wsemul_vt100_output_esc_spc(struct wsemul_vt100_emuldata *edp, |
| 745 | u_char c) |
| 746 | { |
| 747 | switch (c) { |
| 748 | case 'F': /* 7-bit controls */ |
| 749 | case 'G': /* 8-bit controls */ |
| 750 | #ifdef VT100_PRINTNOTIMPL |
| 751 | printf("ESC<SPC>%c ignored\n" , c); |
| 752 | #endif |
| 753 | break; |
| 754 | default: |
| 755 | #ifdef VT100_PRINTUNKNOWN |
| 756 | printf("ESC<SPC>%c unknown\n" , c); |
| 757 | #endif |
| 758 | break; |
| 759 | } |
| 760 | return (VT100_EMUL_STATE_NORMAL); |
| 761 | } |
| 762 | |
| 763 | static u_int |
| 764 | wsemul_vt100_output_string(struct wsemul_vt100_emuldata *edp, u_char c) |
| 765 | { |
| 766 | struct vt100base_data *vd = &edp->bd; |
| 767 | |
| 768 | if (vd->dcstype && vd->dcspos < DCS_MAXLEN) |
| 769 | vd->dcsarg[vd->dcspos++] = c; |
| 770 | return (VT100_EMUL_STATE_STRING); |
| 771 | } |
| 772 | |
| 773 | static u_int |
| 774 | wsemul_vt100_output_string_esc(struct wsemul_vt100_emuldata *edp, u_char c) |
| 775 | { |
| 776 | struct vt100base_data *vd = &edp->bd; |
| 777 | |
| 778 | if (c == '\\') { /* ST complete */ |
| 779 | wsemul_vt100_handle_dcs(vd); |
| 780 | return (VT100_EMUL_STATE_NORMAL); |
| 781 | } else |
| 782 | return (VT100_EMUL_STATE_STRING); |
| 783 | } |
| 784 | |
| 785 | static u_int |
| 786 | wsemul_vt100_output_dcs(struct wsemul_vt100_emuldata *edp, u_char c) |
| 787 | { |
| 788 | struct vt100base_data *vd = &edp->bd; |
| 789 | u_int newstate = VT100_EMUL_STATE_DCS; |
| 790 | |
| 791 | switch (c) { |
| 792 | case '0': case '1': case '2': case '3': case '4': |
| 793 | case '5': case '6': case '7': case '8': case '9': |
| 794 | /* argument digit */ |
| 795 | if (vd->nargs > VT100_EMUL_NARGS - 1) |
| 796 | break; |
| 797 | vd->args[vd->nargs] = (vd->args[vd->nargs] * 10) + |
| 798 | (c - '0'); |
| 799 | break; |
| 800 | case ';': /* argument terminator */ |
| 801 | vd->nargs++; |
| 802 | break; |
| 803 | default: |
| 804 | vd->nargs++; |
| 805 | if (vd->nargs > VT100_EMUL_NARGS) { |
| 806 | #ifdef VT100_DEBUG |
| 807 | printf("vt100: too many arguments\n" ); |
| 808 | #endif |
| 809 | vd->nargs = VT100_EMUL_NARGS; |
| 810 | } |
| 811 | newstate = VT100_EMUL_STATE_STRING; |
| 812 | switch (c) { |
| 813 | case '$': |
| 814 | newstate = VT100_EMUL_STATE_DCS_DOLLAR; |
| 815 | break; |
| 816 | case '{': /* DECDLD soft charset */ |
| 817 | case '!': /* DECRQUPSS user preferred supplemental set */ |
| 818 | /* 'u' must follow - need another state */ |
| 819 | case '|': /* DECUDK program F6..F20 */ |
| 820 | #ifdef VT100_PRINTNOTIMPL |
| 821 | printf("DCS%c ignored\n" , c); |
| 822 | #endif |
| 823 | break; |
| 824 | default: |
| 825 | #ifdef VT100_PRINTUNKNOWN |
| 826 | printf("DCS%c (%d, %d) unknown\n" , c, ARG(vd, 0), ARG(vd, 1)); |
| 827 | #endif |
| 828 | break; |
| 829 | } |
| 830 | } |
| 831 | |
| 832 | return (newstate); |
| 833 | } |
| 834 | |
| 835 | static u_int |
| 836 | wsemul_vt100_output_dcs_dollar(struct wsemul_vt100_emuldata *edp, u_char c) |
| 837 | { |
| 838 | struct vt100base_data *vd = &edp->bd; |
| 839 | |
| 840 | switch (c) { |
| 841 | case 'p': /* DECRSTS terminal state restore */ |
| 842 | case 'q': /* DECRQSS control function request */ |
| 843 | #ifdef VT100_PRINTNOTIMPL |
| 844 | printf("DCS$%c ignored\n" , c); |
| 845 | #endif |
| 846 | break; |
| 847 | case 't': /* DECRSPS restore presentation state */ |
| 848 | switch (ARG(vd, 0)) { |
| 849 | case 0: /* error */ |
| 850 | break; |
| 851 | case 1: /* cursor information restore */ |
| 852 | #ifdef VT100_PRINTNOTIMPL |
| 853 | printf("DCS1$t ignored\n" ); |
| 854 | #endif |
| 855 | break; |
| 856 | case 2: /* tab stop restore */ |
| 857 | vd->dcspos = 0; |
| 858 | vd->dcstype = DCSTYPE_TABRESTORE; |
| 859 | break; |
| 860 | default: |
| 861 | #ifdef VT100_PRINTUNKNOWN |
| 862 | printf("DCS%d$t unknown\n" , ARG(vd, 0)); |
| 863 | #endif |
| 864 | break; |
| 865 | } |
| 866 | break; |
| 867 | default: |
| 868 | #ifdef VT100_PRINTUNKNOWN |
| 869 | printf("DCS$%c (%d, %d) unknown\n" , c, ARG(vd, 0), ARG(vd, 1)); |
| 870 | #endif |
| 871 | break; |
| 872 | } |
| 873 | return (VT100_EMUL_STATE_STRING); |
| 874 | } |
| 875 | |
| 876 | static u_int |
| 877 | wsemul_vt100_output_esc_hash(struct wsemul_vt100_emuldata *edp, u_char c) |
| 878 | { |
| 879 | struct vt100base_data *vd = &edp->bd; |
| 880 | int i, j; |
| 881 | |
| 882 | switch (c) { |
| 883 | case '5': /* DECSWL single width, single height */ |
| 884 | if (vd->dw) { |
| 885 | for (i = 0; i < vd->ncols / 2; i++) |
| 886 | (*vd->emulops->copycols)(vd->emulcookie, |
| 887 | vd->crow, |
| 888 | 2 * i, i, 1); |
| 889 | (*vd->emulops->erasecols)(vd->emulcookie, vd->crow, |
| 890 | i, vd->ncols - i, |
| 891 | vd->bkgdattr); |
| 892 | vd->dblwid[vd->crow] = 0; |
| 893 | vd->dw = 0; |
| 894 | } |
| 895 | break; |
| 896 | case '6': /* DECDWL double width, single height */ |
| 897 | case '3': /* DECDHL double width, double height, top half */ |
| 898 | case '4': /* DECDHL double width, double height, bottom half */ |
| 899 | if (!vd->dw) { |
| 900 | for (i = vd->ncols / 2 - 1; i >= 0; i--) |
| 901 | (*vd->emulops->copycols)(vd->emulcookie, |
| 902 | vd->crow, |
| 903 | i, 2 * i, 1); |
| 904 | for (i = 0; i < vd->ncols / 2; i++) |
| 905 | (*vd->emulops->erasecols)(vd->emulcookie, |
| 906 | vd->crow, |
| 907 | 2 * i + 1, 1, |
| 908 | vd->bkgdattr); |
| 909 | vd->dblwid[vd->crow] = 1; |
| 910 | vd->dw = 1; |
| 911 | if (vd->ccol > (vd->ncols >> 1) - 1) |
| 912 | vd->ccol = (vd->ncols >> 1) - 1; |
| 913 | } |
| 914 | break; |
| 915 | case '8': /* DECALN */ |
| 916 | for (i = 0; i < vd->nrows; i++) |
| 917 | for (j = 0; j < vd->ncols; j++) |
| 918 | (*vd->emulops->putchar)(vd->emulcookie, i, j, |
| 919 | 'E', vd->curattr); |
| 920 | vd->ccol = 0; |
| 921 | vd->crow = 0; |
| 922 | break; |
| 923 | default: |
| 924 | #ifdef VT100_PRINTUNKNOWN |
| 925 | printf("ESC#%c unknown\n" , c); |
| 926 | #endif |
| 927 | break; |
| 928 | } |
| 929 | return (VT100_EMUL_STATE_NORMAL); |
| 930 | } |
| 931 | |
| 932 | static u_int |
| 933 | wsemul_vt100_output_csi(struct wsemul_vt100_emuldata *edp, u_char c) |
| 934 | { |
| 935 | struct vt100base_data *vd = &edp->bd; |
| 936 | u_int newstate = VT100_EMUL_STATE_CSI; |
| 937 | |
| 938 | switch (c) { |
| 939 | case '0': case '1': case '2': case '3': case '4': |
| 940 | case '5': case '6': case '7': case '8': case '9': |
| 941 | /* argument digit */ |
| 942 | if (vd->nargs > VT100_EMUL_NARGS - 1) |
| 943 | break; |
| 944 | vd->args[vd->nargs] = (vd->args[vd->nargs] * 10) + |
| 945 | (c - '0'); |
| 946 | break; |
| 947 | case ';': /* argument terminator */ |
| 948 | vd->nargs++; |
| 949 | break; |
| 950 | case '?': /* DEC specific */ |
| 951 | case '>': /* DA query */ |
| 952 | vd->modif1 = c; |
| 953 | break; |
| 954 | case '!': |
| 955 | case '"': |
| 956 | case '$': |
| 957 | case '&': |
| 958 | vd->modif2 = c; |
| 959 | break; |
| 960 | default: /* end of escape sequence */ |
| 961 | vd->nargs++; |
| 962 | if (vd->nargs > VT100_EMUL_NARGS) { |
| 963 | #ifdef VT100_DEBUG |
| 964 | printf("vt100: too many arguments\n" ); |
| 965 | #endif |
| 966 | vd->nargs = VT100_EMUL_NARGS; |
| 967 | } |
| 968 | wsemul_vt100_handle_csi(vd, c); |
| 969 | newstate = VT100_EMUL_STATE_NORMAL; |
| 970 | break; |
| 971 | } |
| 972 | return (newstate); |
| 973 | } |
| 974 | |
| 975 | void |
| 976 | wsemul_vt100_output(void *cookie, const u_char *data, u_int count, int kernel) |
| 977 | { |
| 978 | struct wsemul_vt100_emuldata *edp = cookie; |
| 979 | struct vt100base_data *vd = &edp->bd; |
| 980 | |
| 981 | #ifdef DIAGNOSTIC |
| 982 | if (kernel && !edp->console) |
| 983 | panic("wsemul_vt100_output: kernel output, not console" ); |
| 984 | #endif |
| 985 | |
| 986 | if (vd->flags & VTFL_CURSORON) |
| 987 | (*vd->emulops->cursor)(vd->emulcookie, 0, |
| 988 | vd->crow, vd->ccol << vd->dw); |
| 989 | for (; count > 0; data++, count--) { |
| 990 | if ((*data & 0x7f) < 0x20) { |
| 991 | wsemul_vt100_output_c0c1(edp, *data, kernel); |
| 992 | continue; |
| 993 | } |
| 994 | if (edp->state == VT100_EMUL_STATE_NORMAL || kernel) { |
| 995 | wsemul_vt100_output_normal(edp, *data, kernel); |
| 996 | continue; |
| 997 | } |
| 998 | #ifdef DIAGNOSTIC |
| 999 | if (edp->state > sizeof(vt100_output) / sizeof(vt100_output[0])) |
| 1000 | panic("wsemul_vt100: invalid state %d" , edp->state); |
| 1001 | #endif |
| 1002 | edp->state = vt100_output[edp->state - 1](edp, *data); |
| 1003 | } |
| 1004 | if (vd->flags & VTFL_CURSORON) |
| 1005 | (*vd->emulops->cursor)(vd->emulcookie, 1, |
| 1006 | vd->crow, vd->ccol << vd->dw); |
| 1007 | } |
| 1008 | |
| 1009 | #ifdef WSDISPLAY_CUSTOM_OUTPUT |
| 1010 | static void |
| 1011 | wsemul_vt100_getmsgattrs(void *cookie, struct wsdisplay_msgattrs *ma) |
| 1012 | { |
| 1013 | struct wsemul_vt100_emuldata *edp = cookie; |
| 1014 | struct vt100base_data *vd = &edp->bd; |
| 1015 | |
| 1016 | *ma = vd->msgattrs; |
| 1017 | } |
| 1018 | |
| 1019 | static void |
| 1020 | wsemul_vt100_setmsgattrs(void *cookie, const struct wsscreen_descr *type, |
| 1021 | const struct wsdisplay_msgattrs *ma) |
| 1022 | { |
| 1023 | int error; |
| 1024 | long tmp; |
| 1025 | struct wsemul_vt100_emuldata *edp = cookie; |
| 1026 | struct vt100base_data *vd = &edp->bd; |
| 1027 | |
| 1028 | vd->msgattrs = *ma; |
| 1029 | if (type->capabilities & WSSCREEN_WSCOLORS) { |
| 1030 | vd->msgattrs.default_attrs |= WSATTR_WSCOLORS; |
| 1031 | vd->msgattrs.kernel_attrs |= WSATTR_WSCOLORS; |
| 1032 | } else { |
| 1033 | vd->msgattrs.default_bg = vd->msgattrs.kernel_bg = 0; |
| 1034 | vd->msgattrs.default_fg = vd->msgattrs.kernel_fg = 0; |
| 1035 | } |
| 1036 | |
| 1037 | error = (*vd->emulops->allocattr)(vd->emulcookie, |
| 1038 | vd->msgattrs.default_fg, |
| 1039 | vd->msgattrs.default_bg, |
| 1040 | vd->msgattrs.default_attrs, |
| 1041 | &tmp); |
| 1042 | #ifndef VT100_DEBUG |
| 1043 | __USE(error); |
| 1044 | #else |
| 1045 | if (error) |
| 1046 | printf("vt100: failed to allocate attribute for default " |
| 1047 | "messages\n" ); |
| 1048 | else |
| 1049 | #endif |
| 1050 | { |
| 1051 | if (vd->curattr == vd->defattr) { |
| 1052 | vd->bkgdattr = vd->curattr = tmp; |
| 1053 | vd->attrflags = vd->msgattrs.default_attrs; |
| 1054 | vd->bgcol = vd->msgattrs.default_bg; |
| 1055 | vd->fgcol = vd->msgattrs.default_fg; |
| 1056 | } else { |
| 1057 | edp->savedbkgdattr = edp->savedattr = tmp; |
| 1058 | edp->savedattrflags = vd->msgattrs.default_attrs; |
| 1059 | edp->savedbgcol = vd->msgattrs.default_bg; |
| 1060 | edp->savedfgcol = vd->msgattrs.default_fg; |
| 1061 | } |
| 1062 | if (vd->emulops->replaceattr != NULL) |
| 1063 | (*vd->emulops->replaceattr)(vd->emulcookie, |
| 1064 | vd->defattr, tmp); |
| 1065 | vd->defattr = tmp; |
| 1066 | } |
| 1067 | |
| 1068 | error = (*vd->emulops->allocattr)(vd->emulcookie, |
| 1069 | vd->msgattrs.kernel_fg, |
| 1070 | vd->msgattrs.kernel_bg, |
| 1071 | vd->msgattrs.kernel_attrs, |
| 1072 | &tmp); |
| 1073 | #ifdef VT100_DEBUG |
| 1074 | if (error) |
| 1075 | printf("vt100: failed to allocate attribute for kernel " |
| 1076 | "messages\n" ); |
| 1077 | else |
| 1078 | #endif |
| 1079 | { |
| 1080 | if (vd->emulops->replaceattr != NULL) |
| 1081 | (*vd->emulops->replaceattr)(vd->emulcookie, |
| 1082 | edp->kernattr, tmp); |
| 1083 | edp->kernattr = tmp; |
| 1084 | } |
| 1085 | } |
| 1086 | #endif /* WSDISPLAY_CUSTOM_OUTPUT */ |
| 1087 | |