| OLD | NEW |
|---|
| (Empty) | |
| 1 /*- |
| 2 * Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org> |
| 3 * All rights reserved. |
| 4 * |
| 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions |
| 7 * are met: |
| 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright |
| 11 * notice, this list of conditions and the following disclaimer in the |
| 12 * documentation and/or other materials provided with the distribution. |
| 13 * |
| 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 24 * SUCH DAMAGE. |
| 25 * |
| 26 * $FreeBSD: head/sys/teken/teken_subr.h 259761 2013-12-23 05:47:27Z ed $ |
| 27 */ |
| 28 |
| 29 static void teken_subr_cursor_up(teken_t *, unsigned int); |
| 30 static void teken_subr_erase_line(teken_t *, unsigned int); |
| 31 static void teken_subr_regular_character(teken_t *, teken_char_t); |
| 32 static void teken_subr_reset_to_initial_state(teken_t *); |
| 33 static void teken_subr_save_cursor(teken_t *); |
| 34 |
| 35 static inline int |
| 36 teken_tab_isset(teken_t *t, unsigned int col) |
| 37 { |
| 38 unsigned int b, o; |
| 39 |
| 40 if (col >= T_NUMCOL) |
| 41 return ((col % 8) == 0); |
| 42 |
| 43 b = col / (sizeof(unsigned int) * 8); |
| 44 o = col % (sizeof(unsigned int) * 8); |
| 45 |
| 46 return (t->t_tabstops[b] & (1 << o)); |
| 47 } |
| 48 |
| 49 static inline void |
| 50 teken_tab_clear(teken_t *t, unsigned int col) |
| 51 { |
| 52 unsigned int b, o; |
| 53 |
| 54 if (col >= T_NUMCOL) |
| 55 return; |
| 56 |
| 57 b = col / (sizeof(unsigned int) * 8); |
| 58 o = col % (sizeof(unsigned int) * 8); |
| 59 |
| 60 t->t_tabstops[b] &= ~(1 << o); |
| 61 } |
| 62 |
| 63 static inline void |
| 64 teken_tab_set(teken_t *t, unsigned int col) |
| 65 { |
| 66 unsigned int b, o; |
| 67 |
| 68 if (col >= T_NUMCOL) |
| 69 return; |
| 70 |
| 71 b = col / (sizeof(unsigned int) * 8); |
| 72 o = col % (sizeof(unsigned int) * 8); |
| 73 |
| 74 t->t_tabstops[b] |= 1 << o; |
| 75 } |
| 76 |
| 77 static void |
| 78 teken_tab_default(teken_t *t) |
| 79 { |
| 80 unsigned int i; |
| 81 |
| 82 memset(&t->t_tabstops, 0, T_NUMCOL / 8); |
| 83 |
| 84 for (i = 8; i < T_NUMCOL; i += 8) |
| 85 teken_tab_set(t, i); |
| 86 } |
| 87 |
| 88 static void |
| 89 teken_subr_do_scroll(teken_t *t, int amount) |
| 90 { |
| 91 teken_rect_t tr; |
| 92 teken_pos_t tp; |
| 93 |
| 94 teken_assert(t->t_cursor.tp_row <= t->t_winsize.tp_row); |
| 95 teken_assert(t->t_scrollreg.ts_end <= t->t_winsize.tp_row); |
| 96 teken_assert(amount != 0); |
| 97 |
| 98 /* Copy existing data 1 line up. */ |
| 99 if (amount > 0) { |
| 100 /* Scroll down. */ |
| 101 |
| 102 /* Copy existing data up. */ |
| 103 if (t->t_scrollreg.ts_begin + amount < t->t_scrollreg.ts_end) { |
| 104 tr.tr_begin.tp_row = t->t_scrollreg.ts_begin + amount; |
| 105 tr.tr_begin.tp_col = 0; |
| 106 tr.tr_end.tp_row = t->t_scrollreg.ts_end; |
| 107 tr.tr_end.tp_col = t->t_winsize.tp_col; |
| 108 tp.tp_row = t->t_scrollreg.ts_begin; |
| 109 tp.tp_col = 0; |
| 110 teken_funcs_copy(t, &tr, &tp); |
| 111 |
| 112 tr.tr_begin.tp_row = t->t_scrollreg.ts_end - amount; |
| 113 } else { |
| 114 tr.tr_begin.tp_row = t->t_scrollreg.ts_begin; |
| 115 } |
| 116 |
| 117 /* Clear the last lines. */ |
| 118 tr.tr_begin.tp_col = 0; |
| 119 tr.tr_end.tp_row = t->t_scrollreg.ts_end; |
| 120 tr.tr_end.tp_col = t->t_winsize.tp_col; |
| 121 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); |
| 122 } else { |
| 123 /* Scroll up. */ |
| 124 amount = -amount; |
| 125 |
| 126 /* Copy existing data down. */ |
| 127 if (t->t_scrollreg.ts_begin + amount < t->t_scrollreg.ts_end) { |
| 128 tr.tr_begin.tp_row = t->t_scrollreg.ts_begin; |
| 129 tr.tr_begin.tp_col = 0; |
| 130 tr.tr_end.tp_row = t->t_scrollreg.ts_end - amount; |
| 131 tr.tr_end.tp_col = t->t_winsize.tp_col; |
| 132 tp.tp_row = t->t_scrollreg.ts_begin + amount; |
| 133 tp.tp_col = 0; |
| 134 teken_funcs_copy(t, &tr, &tp); |
| 135 |
| 136 tr.tr_end.tp_row = t->t_scrollreg.ts_begin + amount; |
| 137 } else { |
| 138 tr.tr_end.tp_row = t->t_scrollreg.ts_end; |
| 139 } |
| 140 |
| 141 /* Clear the first lines. */ |
| 142 tr.tr_begin.tp_row = t->t_scrollreg.ts_begin; |
| 143 tr.tr_begin.tp_col = 0; |
| 144 tr.tr_end.tp_col = t->t_winsize.tp_col; |
| 145 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); |
| 146 } |
| 147 } |
| 148 |
| 149 static ssize_t |
| 150 teken_subr_do_cpr(teken_t *t, unsigned int cmd, char response[16]) |
| 151 { |
| 152 |
| 153 switch (cmd) { |
| 154 case 5: /* Operating status. */ |
| 155 strcpy(response, "0n"); |
| 156 return (2); |
| 157 case 6: { /* Cursor position. */ |
| 158 int len; |
| 159 |
| 160 len = snprintf(response, 16, "%u;%uR", |
| 161 (t->t_cursor.tp_row - t->t_originreg.ts_begin) + 1, |
| 162 t->t_cursor.tp_col + 1); |
| 163 |
| 164 if (len >= 16) |
| 165 return (-1); |
| 166 return (len); |
| 167 } |
| 168 case 15: /* Printer status. */ |
| 169 strcpy(response, "13n"); |
| 170 return (3); |
| 171 case 25: /* UDK status. */ |
| 172 strcpy(response, "20n"); |
| 173 return (3); |
| 174 case 26: /* Keyboard status. */ |
| 175 strcpy(response, "27;1n"); |
| 176 return (5); |
| 177 default: |
| 178 teken_printf("Unknown DSR\n"); |
| 179 return (-1); |
| 180 } |
| 181 } |
| 182 |
| 183 static void |
| 184 teken_subr_alignment_test(teken_t *t) |
| 185 { |
| 186 teken_rect_t tr; |
| 187 |
| 188 t->t_cursor.tp_row = t->t_cursor.tp_col = 0; |
| 189 t->t_scrollreg.ts_begin = 0; |
| 190 t->t_scrollreg.ts_end = t->t_winsize.tp_row; |
| 191 t->t_originreg = t->t_scrollreg; |
| 192 t->t_stateflags &= ~(TS_WRAPPED|TS_ORIGIN); |
| 193 teken_funcs_cursor(t); |
| 194 |
| 195 tr.tr_begin.tp_row = 0; |
| 196 tr.tr_begin.tp_col = 0; |
| 197 tr.tr_end = t->t_winsize; |
| 198 teken_funcs_fill(t, &tr, 'E', &t->t_defattr); |
| 199 } |
| 200 |
| 201 static void |
| 202 teken_subr_backspace(teken_t *t) |
| 203 { |
| 204 |
| 205 if (t->t_stateflags & TS_CONS25) { |
| 206 if (t->t_cursor.tp_col == 0) { |
| 207 if (t->t_cursor.tp_row == t->t_originreg.ts_begin) |
| 208 return; |
| 209 t->t_cursor.tp_row--; |
| 210 t->t_cursor.tp_col = t->t_winsize.tp_col - 1; |
| 211 } else { |
| 212 t->t_cursor.tp_col--; |
| 213 } |
| 214 } else { |
| 215 if (t->t_cursor.tp_col == 0) |
| 216 return; |
| 217 |
| 218 t->t_cursor.tp_col--; |
| 219 t->t_stateflags &= ~TS_WRAPPED; |
| 220 } |
| 221 |
| 222 teken_funcs_cursor(t); |
| 223 } |
| 224 |
| 225 static void |
| 226 teken_subr_bell(teken_t *t) |
| 227 { |
| 228 |
| 229 teken_funcs_bell(t); |
| 230 } |
| 231 |
| 232 static void |
| 233 teken_subr_carriage_return(teken_t *t) |
| 234 { |
| 235 |
| 236 t->t_cursor.tp_col = 0; |
| 237 t->t_stateflags &= ~TS_WRAPPED; |
| 238 teken_funcs_cursor(t); |
| 239 } |
| 240 |
| 241 static void |
| 242 teken_subr_cursor_backward(teken_t *t, unsigned int ncols) |
| 243 { |
| 244 |
| 245 if (ncols > t->t_cursor.tp_col) |
| 246 t->t_cursor.tp_col = 0; |
| 247 else |
| 248 t->t_cursor.tp_col -= ncols; |
| 249 t->t_stateflags &= ~TS_WRAPPED; |
| 250 teken_funcs_cursor(t); |
| 251 } |
| 252 |
| 253 static void |
| 254 teken_subr_cursor_backward_tabulation(teken_t *t, unsigned int ntabs) |
| 255 { |
| 256 |
| 257 do { |
| 258 /* Stop when we've reached the beginning of the line. */ |
| 259 if (t->t_cursor.tp_col == 0) |
| 260 break; |
| 261 |
| 262 t->t_cursor.tp_col--; |
| 263 |
| 264 /* Tab marker set. */ |
| 265 if (teken_tab_isset(t, t->t_cursor.tp_col)) |
| 266 ntabs--; |
| 267 } while (ntabs > 0); |
| 268 |
| 269 teken_funcs_cursor(t); |
| 270 } |
| 271 |
| 272 static void |
| 273 teken_subr_cursor_down(teken_t *t, unsigned int nrows) |
| 274 { |
| 275 |
| 276 if (t->t_cursor.tp_row + nrows >= t->t_scrollreg.ts_end) |
| 277 t->t_cursor.tp_row = t->t_scrollreg.ts_end - 1; |
| 278 else |
| 279 t->t_cursor.tp_row += nrows; |
| 280 t->t_stateflags &= ~TS_WRAPPED; |
| 281 teken_funcs_cursor(t); |
| 282 } |
| 283 |
| 284 static void |
| 285 teken_subr_cursor_forward(teken_t *t, unsigned int ncols) |
| 286 { |
| 287 |
| 288 if (t->t_cursor.tp_col + ncols >= t->t_winsize.tp_col) |
| 289 t->t_cursor.tp_col = t->t_winsize.tp_col - 1; |
| 290 else |
| 291 t->t_cursor.tp_col += ncols; |
| 292 t->t_stateflags &= ~TS_WRAPPED; |
| 293 teken_funcs_cursor(t); |
| 294 } |
| 295 |
| 296 static void |
| 297 teken_subr_cursor_forward_tabulation(teken_t *t, unsigned int ntabs) |
| 298 { |
| 299 |
| 300 do { |
| 301 /* Stop when we've reached the end of the line. */ |
| 302 if (t->t_cursor.tp_col == t->t_winsize.tp_col - 1) |
| 303 break; |
| 304 |
| 305 t->t_cursor.tp_col++; |
| 306 |
| 307 /* Tab marker set. */ |
| 308 if (teken_tab_isset(t, t->t_cursor.tp_col)) |
| 309 ntabs--; |
| 310 } while (ntabs > 0); |
| 311 |
| 312 teken_funcs_cursor(t); |
| 313 } |
| 314 |
| 315 static void |
| 316 teken_subr_cursor_next_line(teken_t *t, unsigned int ncols) |
| 317 { |
| 318 |
| 319 t->t_cursor.tp_col = 0; |
| 320 teken_subr_cursor_down(t, ncols); |
| 321 } |
| 322 |
| 323 static void |
| 324 teken_subr_cursor_position(teken_t *t, unsigned int row, unsigned int col) |
| 325 { |
| 326 |
| 327 t->t_cursor.tp_row = t->t_originreg.ts_begin + row - 1; |
| 328 if (t->t_cursor.tp_row >= t->t_originreg.ts_end) |
| 329 t->t_cursor.tp_row = t->t_originreg.ts_end - 1; |
| 330 |
| 331 t->t_cursor.tp_col = col - 1; |
| 332 if (t->t_cursor.tp_col >= t->t_winsize.tp_col) |
| 333 t->t_cursor.tp_col = t->t_winsize.tp_col - 1; |
| 334 |
| 335 t->t_stateflags &= ~TS_WRAPPED; |
| 336 teken_funcs_cursor(t); |
| 337 } |
| 338 |
| 339 static void |
| 340 teken_subr_cursor_position_report(teken_t *t, unsigned int cmd) |
| 341 { |
| 342 char response[18] = "\x1B["; |
| 343 ssize_t len; |
| 344 |
| 345 len = teken_subr_do_cpr(t, cmd, response + 2); |
| 346 if (len < 0) |
| 347 return; |
| 348 |
| 349 teken_funcs_respond(t, response, len + 2); |
| 350 } |
| 351 |
| 352 static void |
| 353 teken_subr_cursor_previous_line(teken_t *t, unsigned int ncols) |
| 354 { |
| 355 |
| 356 t->t_cursor.tp_col = 0; |
| 357 teken_subr_cursor_up(t, ncols); |
| 358 } |
| 359 |
| 360 static void |
| 361 teken_subr_cursor_up(teken_t *t, unsigned int nrows) |
| 362 { |
| 363 |
| 364 if (t->t_scrollreg.ts_begin + nrows >= t->t_cursor.tp_row) |
| 365 t->t_cursor.tp_row = t->t_scrollreg.ts_begin; |
| 366 else |
| 367 t->t_cursor.tp_row -= nrows; |
| 368 t->t_stateflags &= ~TS_WRAPPED; |
| 369 teken_funcs_cursor(t); |
| 370 } |
| 371 |
| 372 static void |
| 373 teken_subr_delete_character(teken_t *t, unsigned int ncols) |
| 374 { |
| 375 teken_rect_t tr; |
| 376 |
| 377 tr.tr_begin.tp_row = t->t_cursor.tp_row; |
| 378 tr.tr_end.tp_row = t->t_cursor.tp_row + 1; |
| 379 tr.tr_end.tp_col = t->t_winsize.tp_col; |
| 380 |
| 381 if (t->t_cursor.tp_col + ncols >= t->t_winsize.tp_col) { |
| 382 tr.tr_begin.tp_col = t->t_cursor.tp_col; |
| 383 } else { |
| 384 /* Copy characters to the left. */ |
| 385 tr.tr_begin.tp_col = t->t_cursor.tp_col + ncols; |
| 386 teken_funcs_copy(t, &tr, &t->t_cursor); |
| 387 |
| 388 tr.tr_begin.tp_col = t->t_winsize.tp_col - ncols; |
| 389 } |
| 390 |
| 391 /* Blank trailing columns. */ |
| 392 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); |
| 393 } |
| 394 |
| 395 static void |
| 396 teken_subr_delete_line(teken_t *t, unsigned int nrows) |
| 397 { |
| 398 teken_rect_t tr; |
| 399 |
| 400 /* Ignore if outside scrolling region. */ |
| 401 if (t->t_cursor.tp_row < t->t_scrollreg.ts_begin || |
| 402 t->t_cursor.tp_row >= t->t_scrollreg.ts_end) |
| 403 return; |
| 404 |
| 405 tr.tr_begin.tp_col = 0; |
| 406 tr.tr_end.tp_row = t->t_scrollreg.ts_end; |
| 407 tr.tr_end.tp_col = t->t_winsize.tp_col; |
| 408 |
| 409 if (t->t_cursor.tp_row + nrows >= t->t_scrollreg.ts_end) { |
| 410 tr.tr_begin.tp_row = t->t_cursor.tp_row; |
| 411 } else { |
| 412 teken_pos_t tp; |
| 413 |
| 414 /* Copy rows up. */ |
| 415 tr.tr_begin.tp_row = t->t_cursor.tp_row + nrows; |
| 416 tp.tp_row = t->t_cursor.tp_row; |
| 417 tp.tp_col = 0; |
| 418 teken_funcs_copy(t, &tr, &tp); |
| 419 |
| 420 tr.tr_begin.tp_row = t->t_scrollreg.ts_end - nrows; |
| 421 } |
| 422 |
| 423 /* Blank trailing rows. */ |
| 424 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); |
| 425 } |
| 426 |
| 427 static void |
| 428 teken_subr_device_control_string(teken_t *t) |
| 429 { |
| 430 |
| 431 teken_printf("Unsupported device control string\n"); |
| 432 t->t_stateflags |= TS_INSTRING; |
| 433 } |
| 434 |
| 435 static void |
| 436 teken_subr_device_status_report(teken_t *t, unsigned int cmd) |
| 437 { |
| 438 char response[19] = "\x1B[?"; |
| 439 ssize_t len; |
| 440 |
| 441 len = teken_subr_do_cpr(t, cmd, response + 3); |
| 442 if (len < 0) |
| 443 return; |
| 444 |
| 445 teken_funcs_respond(t, response, len + 3); |
| 446 } |
| 447 |
| 448 static void |
| 449 teken_subr_double_height_double_width_line_top(teken_t *t __unused) |
| 450 { |
| 451 |
| 452 teken_printf("double height double width top\n"); |
| 453 } |
| 454 |
| 455 static void |
| 456 teken_subr_double_height_double_width_line_bottom(teken_t *t __unused) |
| 457 { |
| 458 |
| 459 teken_printf("double height double width bottom\n"); |
| 460 } |
| 461 |
| 462 static void |
| 463 teken_subr_erase_character(teken_t *t, unsigned int ncols) |
| 464 { |
| 465 teken_rect_t tr; |
| 466 |
| 467 tr.tr_begin = t->t_cursor; |
| 468 tr.tr_end.tp_row = t->t_cursor.tp_row + 1; |
| 469 |
| 470 if (t->t_cursor.tp_col + ncols >= t->t_winsize.tp_col) |
| 471 tr.tr_end.tp_col = t->t_winsize.tp_col; |
| 472 else |
| 473 tr.tr_end.tp_col = t->t_cursor.tp_col + ncols; |
| 474 |
| 475 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); |
| 476 } |
| 477 |
| 478 static void |
| 479 teken_subr_erase_display(teken_t *t, unsigned int mode) |
| 480 { |
| 481 teken_rect_t r; |
| 482 |
| 483 r.tr_begin.tp_col = 0; |
| 484 r.tr_end.tp_col = t->t_winsize.tp_col; |
| 485 |
| 486 switch (mode) { |
| 487 case 1: /* Erase from the top to the cursor. */ |
| 488 teken_subr_erase_line(t, 1); |
| 489 |
| 490 /* Erase lines above. */ |
| 491 if (t->t_cursor.tp_row == 0) |
| 492 return; |
| 493 r.tr_begin.tp_row = 0; |
| 494 r.tr_end.tp_row = t->t_cursor.tp_row; |
| 495 break; |
| 496 case 2: /* Erase entire display. */ |
| 497 r.tr_begin.tp_row = 0; |
| 498 r.tr_end.tp_row = t->t_winsize.tp_row; |
| 499 break; |
| 500 default: /* Erase from cursor to the bottom. */ |
| 501 teken_subr_erase_line(t, 0); |
| 502 |
| 503 /* Erase lines below. */ |
| 504 if (t->t_cursor.tp_row == t->t_winsize.tp_row - 1) |
| 505 return; |
| 506 r.tr_begin.tp_row = t->t_cursor.tp_row + 1; |
| 507 r.tr_end.tp_row = t->t_winsize.tp_row; |
| 508 break; |
| 509 } |
| 510 |
| 511 teken_funcs_fill(t, &r, BLANK, &t->t_curattr); |
| 512 } |
| 513 |
| 514 static void |
| 515 teken_subr_erase_line(teken_t *t, unsigned int mode) |
| 516 { |
| 517 teken_rect_t r; |
| 518 |
| 519 r.tr_begin.tp_row = t->t_cursor.tp_row; |
| 520 r.tr_end.tp_row = t->t_cursor.tp_row + 1; |
| 521 |
| 522 switch (mode) { |
| 523 case 1: /* Erase from the beginning of the line to the cursor. */ |
| 524 r.tr_begin.tp_col = 0; |
| 525 r.tr_end.tp_col = t->t_cursor.tp_col + 1; |
| 526 break; |
| 527 case 2: /* Erase entire line. */ |
| 528 r.tr_begin.tp_col = 0; |
| 529 r.tr_end.tp_col = t->t_winsize.tp_col; |
| 530 break; |
| 531 default: /* Erase from cursor to the end of the line. */ |
| 532 r.tr_begin.tp_col = t->t_cursor.tp_col; |
| 533 r.tr_end.tp_col = t->t_winsize.tp_col; |
| 534 break; |
| 535 } |
| 536 |
| 537 teken_funcs_fill(t, &r, BLANK, &t->t_curattr); |
| 538 } |
| 539 |
| 540 static void |
| 541 teken_subr_g0_scs_special_graphics(teken_t *t __unused) |
| 542 { |
| 543 |
| 544 t->t_scs[0] = teken_scs_special_graphics; |
| 545 } |
| 546 |
| 547 static void |
| 548 teken_subr_g0_scs_uk_national(teken_t *t __unused) |
| 549 { |
| 550 |
| 551 t->t_scs[0] = teken_scs_uk_national; |
| 552 } |
| 553 |
| 554 static void |
| 555 teken_subr_g0_scs_us_ascii(teken_t *t __unused) |
| 556 { |
| 557 |
| 558 t->t_scs[0] = teken_scs_us_ascii; |
| 559 } |
| 560 |
| 561 static void |
| 562 teken_subr_g1_scs_special_graphics(teken_t *t __unused) |
| 563 { |
| 564 |
| 565 t->t_scs[1] = teken_scs_special_graphics; |
| 566 } |
| 567 |
| 568 static void |
| 569 teken_subr_g1_scs_uk_national(teken_t *t __unused) |
| 570 { |
| 571 |
| 572 t->t_scs[1] = teken_scs_uk_national; |
| 573 } |
| 574 |
| 575 static void |
| 576 teken_subr_g1_scs_us_ascii(teken_t *t __unused) |
| 577 { |
| 578 |
| 579 t->t_scs[1] = teken_scs_us_ascii; |
| 580 } |
| 581 |
| 582 static void |
| 583 teken_subr_horizontal_position_absolute(teken_t *t, unsigned int col) |
| 584 { |
| 585 |
| 586 t->t_cursor.tp_col = col - 1; |
| 587 if (t->t_cursor.tp_col >= t->t_winsize.tp_col) |
| 588 t->t_cursor.tp_col = t->t_winsize.tp_col - 1; |
| 589 |
| 590 t->t_stateflags &= ~TS_WRAPPED; |
| 591 teken_funcs_cursor(t); |
| 592 } |
| 593 |
| 594 static void |
| 595 teken_subr_horizontal_tab(teken_t *t) |
| 596 { |
| 597 |
| 598 teken_subr_cursor_forward_tabulation(t, 1); |
| 599 } |
| 600 |
| 601 static void |
| 602 teken_subr_horizontal_tab_set(teken_t *t) |
| 603 { |
| 604 |
| 605 teken_tab_set(t, t->t_cursor.tp_col); |
| 606 } |
| 607 |
| 608 static void |
| 609 teken_subr_index(teken_t *t) |
| 610 { |
| 611 |
| 612 if (t->t_cursor.tp_row < t->t_scrollreg.ts_end - 1) { |
| 613 t->t_cursor.tp_row++; |
| 614 t->t_stateflags &= ~TS_WRAPPED; |
| 615 teken_funcs_cursor(t); |
| 616 } else { |
| 617 teken_subr_do_scroll(t, 1); |
| 618 } |
| 619 } |
| 620 |
| 621 static void |
| 622 teken_subr_insert_character(teken_t *t, unsigned int ncols) |
| 623 { |
| 624 teken_rect_t tr; |
| 625 |
| 626 tr.tr_begin = t->t_cursor; |
| 627 tr.tr_end.tp_row = t->t_cursor.tp_row + 1; |
| 628 |
| 629 if (t->t_cursor.tp_col + ncols >= t->t_winsize.tp_col) { |
| 630 tr.tr_end.tp_col = t->t_winsize.tp_col; |
| 631 } else { |
| 632 teken_pos_t tp; |
| 633 |
| 634 /* Copy characters to the right. */ |
| 635 tr.tr_end.tp_col = t->t_winsize.tp_col - ncols; |
| 636 tp.tp_row = t->t_cursor.tp_row; |
| 637 tp.tp_col = t->t_cursor.tp_col + ncols; |
| 638 teken_funcs_copy(t, &tr, &tp); |
| 639 |
| 640 tr.tr_end.tp_col = t->t_cursor.tp_col + ncols; |
| 641 } |
| 642 |
| 643 /* Blank current location. */ |
| 644 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); |
| 645 } |
| 646 |
| 647 static void |
| 648 teken_subr_insert_line(teken_t *t, unsigned int nrows) |
| 649 { |
| 650 teken_rect_t tr; |
| 651 |
| 652 /* Ignore if outside scrolling region. */ |
| 653 if (t->t_cursor.tp_row < t->t_scrollreg.ts_begin || |
| 654 t->t_cursor.tp_row >= t->t_scrollreg.ts_end) |
| 655 return; |
| 656 |
| 657 tr.tr_begin.tp_row = t->t_cursor.tp_row; |
| 658 tr.tr_begin.tp_col = 0; |
| 659 tr.tr_end.tp_col = t->t_winsize.tp_col; |
| 660 |
| 661 if (t->t_cursor.tp_row + nrows >= t->t_scrollreg.ts_end) { |
| 662 tr.tr_end.tp_row = t->t_scrollreg.ts_end; |
| 663 } else { |
| 664 teken_pos_t tp; |
| 665 |
| 666 /* Copy lines down. */ |
| 667 tr.tr_end.tp_row = t->t_scrollreg.ts_end - nrows; |
| 668 tp.tp_row = t->t_cursor.tp_row + nrows; |
| 669 tp.tp_col = 0; |
| 670 teken_funcs_copy(t, &tr, &tp); |
| 671 |
| 672 tr.tr_end.tp_row = t->t_cursor.tp_row + nrows; |
| 673 } |
| 674 |
| 675 /* Blank current location. */ |
| 676 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); |
| 677 } |
| 678 |
| 679 static void |
| 680 teken_subr_keypad_application_mode(teken_t *t) |
| 681 { |
| 682 |
| 683 teken_funcs_param(t, TP_KEYPADAPP, 1); |
| 684 } |
| 685 |
| 686 static void |
| 687 teken_subr_keypad_numeric_mode(teken_t *t) |
| 688 { |
| 689 |
| 690 teken_funcs_param(t, TP_KEYPADAPP, 0); |
| 691 } |
| 692 |
| 693 static void |
| 694 teken_subr_newline(teken_t *t) |
| 695 { |
| 696 |
| 697 t->t_cursor.tp_row++; |
| 698 |
| 699 if (t->t_cursor.tp_row >= t->t_scrollreg.ts_end) { |
| 700 teken_subr_do_scroll(t, 1); |
| 701 t->t_cursor.tp_row = t->t_scrollreg.ts_end - 1; |
| 702 } |
| 703 |
| 704 t->t_stateflags &= ~TS_WRAPPED; |
| 705 teken_funcs_cursor(t); |
| 706 } |
| 707 |
| 708 static void |
| 709 teken_subr_newpage(teken_t *t) |
| 710 { |
| 711 |
| 712 if (t->t_stateflags & TS_CONS25) { |
| 713 teken_rect_t tr; |
| 714 |
| 715 /* Clear screen. */ |
| 716 tr.tr_begin.tp_row = t->t_originreg.ts_begin; |
| 717 tr.tr_begin.tp_col = 0; |
| 718 tr.tr_end.tp_row = t->t_originreg.ts_end; |
| 719 tr.tr_end.tp_col = t->t_winsize.tp_col; |
| 720 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); |
| 721 |
| 722 /* Cursor at top left. */ |
| 723 t->t_cursor.tp_row = t->t_originreg.ts_begin; |
| 724 t->t_cursor.tp_col = 0; |
| 725 t->t_stateflags &= ~TS_WRAPPED; |
| 726 teken_funcs_cursor(t); |
| 727 } else { |
| 728 teken_subr_newline(t); |
| 729 } |
| 730 } |
| 731 |
| 732 static void |
| 733 teken_subr_next_line(teken_t *t) |
| 734 { |
| 735 |
| 736 t->t_cursor.tp_col = 0; |
| 737 teken_subr_newline(t); |
| 738 } |
| 739 |
| 740 static void |
| 741 teken_subr_operating_system_command(teken_t *t) |
| 742 { |
| 743 |
| 744 teken_printf("Unsupported operating system command\n"); |
| 745 t->t_stateflags |= TS_INSTRING; |
| 746 } |
| 747 |
| 748 static void |
| 749 teken_subr_pan_down(teken_t *t, unsigned int nrows) |
| 750 { |
| 751 |
| 752 teken_subr_do_scroll(t, (int)nrows); |
| 753 } |
| 754 |
| 755 static void |
| 756 teken_subr_pan_up(teken_t *t, unsigned int nrows) |
| 757 { |
| 758 |
| 759 teken_subr_do_scroll(t, -(int)nrows); |
| 760 } |
| 761 |
| 762 static void |
| 763 teken_subr_primary_device_attributes(teken_t *t, unsigned int request) |
| 764 { |
| 765 |
| 766 if (request == 0) { |
| 767 const char response[] = "\x1B[?1;2c"; |
| 768 |
| 769 teken_funcs_respond(t, response, sizeof response - 1); |
| 770 } else { |
| 771 teken_printf("Unknown DA1\n"); |
| 772 } |
| 773 } |
| 774 |
| 775 static void |
| 776 teken_subr_do_putchar(teken_t *t, const teken_pos_t *tp, teken_char_t c, |
| 777 int width) |
| 778 { |
| 779 |
| 780 if (t->t_stateflags & TS_INSERT && |
| 781 tp->tp_col < t->t_winsize.tp_col - width) { |
| 782 teken_rect_t ctr; |
| 783 teken_pos_t ctp; |
| 784 |
| 785 /* Insert mode. Move existing characters to the right. */ |
| 786 ctr.tr_begin = *tp; |
| 787 ctr.tr_end.tp_row = tp->tp_row + 1; |
| 788 ctr.tr_end.tp_col = t->t_winsize.tp_col - width; |
| 789 ctp.tp_row = tp->tp_row; |
| 790 ctp.tp_col = tp->tp_col + width; |
| 791 teken_funcs_copy(t, &ctr, &ctp); |
| 792 } |
| 793 |
| 794 teken_funcs_putchar(t, tp, c, &t->t_curattr); |
| 795 |
| 796 if (width == 2 && tp->tp_col + 1 < t->t_winsize.tp_col) { |
| 797 teken_pos_t tp2; |
| 798 teken_attr_t attr; |
| 799 |
| 800 /* Print second half of CJK fullwidth character. */ |
| 801 tp2.tp_row = tp->tp_row; |
| 802 tp2.tp_col = tp->tp_col + 1; |
| 803 attr = t->t_curattr; |
| 804 attr.ta_format |= TF_CJK_RIGHT; |
| 805 teken_funcs_putchar(t, &tp2, c, &attr); |
| 806 } |
| 807 } |
| 808 |
| 809 static void |
| 810 teken_subr_regular_character(teken_t *t, teken_char_t c) |
| 811 { |
| 812 int width; |
| 813 |
| 814 if (t->t_stateflags & TS_8BIT) { |
| 815 if (!(t->t_stateflags & TS_CONS25) && (c <= 0x1b || c == 0x7f)) |
| 816 return; |
| 817 c = teken_scs_process(t, c); |
| 818 width = 1; |
| 819 } else { |
| 820 c = teken_scs_process(t, c); |
| 821 width = teken_wcwidth(c); |
| 822 /* XXX: Don't process zero-width characters yet. */ |
| 823 if (width <= 0) |
| 824 return; |
| 825 } |
| 826 |
| 827 if (t->t_stateflags & TS_CONS25) { |
| 828 teken_subr_do_putchar(t, &t->t_cursor, c, width); |
| 829 t->t_cursor.tp_col += width; |
| 830 |
| 831 if (t->t_cursor.tp_col >= t->t_winsize.tp_col) { |
| 832 if (t->t_cursor.tp_row == t->t_scrollreg.ts_end - 1) { |
| 833 /* Perform scrolling. */ |
| 834 teken_subr_do_scroll(t, 1); |
| 835 } else { |
| 836 /* No scrolling needed. */ |
| 837 if (t->t_cursor.tp_row < |
| 838 t->t_winsize.tp_row - 1) |
| 839 t->t_cursor.tp_row++; |
| 840 } |
| 841 t->t_cursor.tp_col = 0; |
| 842 } |
| 843 } else if (t->t_stateflags & TS_AUTOWRAP && |
| 844 ((t->t_stateflags & TS_WRAPPED && |
| 845 t->t_cursor.tp_col + 1 == t->t_winsize.tp_col) || |
| 846 t->t_cursor.tp_col + width > t->t_winsize.tp_col)) { |
| 847 teken_pos_t tp; |
| 848 |
| 849 /* |
| 850 * Perform line wrapping, if: |
| 851 * - Autowrapping is enabled, and |
| 852 * - We're in the wrapped state at the last column, or |
| 853 * - The character to be printed does not fit anymore. |
| 854 */ |
| 855 if (t->t_cursor.tp_row == t->t_scrollreg.ts_end - 1) { |
| 856 /* Perform scrolling. */ |
| 857 teken_subr_do_scroll(t, 1); |
| 858 tp.tp_row = t->t_scrollreg.ts_end - 1; |
| 859 } else { |
| 860 /* No scrolling needed. */ |
| 861 tp.tp_row = t->t_cursor.tp_row + 1; |
| 862 if (tp.tp_row == t->t_winsize.tp_row) { |
| 863 /* |
| 864 * Corner case: regular character |
| 865 * outside scrolling region, but at the |
| 866 * bottom of the screen. |
| 867 */ |
| 868 teken_subr_do_putchar(t, &t->t_cursor, |
| 869 c, width); |
| 870 return; |
| 871 } |
| 872 } |
| 873 |
| 874 tp.tp_col = 0; |
| 875 teken_subr_do_putchar(t, &tp, c, width); |
| 876 |
| 877 t->t_cursor.tp_row = tp.tp_row; |
| 878 t->t_cursor.tp_col = width; |
| 879 t->t_stateflags &= ~TS_WRAPPED; |
| 880 } else { |
| 881 /* No line wrapping needed. */ |
| 882 teken_subr_do_putchar(t, &t->t_cursor, c, width); |
| 883 t->t_cursor.tp_col += width; |
| 884 |
| 885 if (t->t_cursor.tp_col >= t->t_winsize.tp_col) { |
| 886 t->t_stateflags |= TS_WRAPPED; |
| 887 t->t_cursor.tp_col = t->t_winsize.tp_col - 1; |
| 888 } else { |
| 889 t->t_stateflags &= ~TS_WRAPPED; |
| 890 } |
| 891 } |
| 892 |
| 893 teken_funcs_cursor(t); |
| 894 } |
| 895 |
| 896 static void |
| 897 teken_subr_reset_dec_mode(teken_t *t, unsigned int cmd) |
| 898 { |
| 899 |
| 900 switch (cmd) { |
| 901 case 1: /* Cursor keys mode. */ |
| 902 t->t_stateflags &= ~TS_CURSORKEYS; |
| 903 break; |
| 904 case 2: /* DECANM: ANSI/VT52 mode. */ |
| 905 teken_printf("DECRST VT52\n"); |
| 906 break; |
| 907 case 3: /* 132 column mode. */ |
| 908 teken_funcs_param(t, TP_132COLS, 0); |
| 909 teken_subr_reset_to_initial_state(t); |
| 910 break; |
| 911 case 5: /* Inverse video. */ |
| 912 teken_printf("DECRST inverse video\n"); |
| 913 break; |
| 914 case 6: /* Origin mode. */ |
| 915 t->t_stateflags &= ~TS_ORIGIN; |
| 916 t->t_originreg.ts_begin = 0; |
| 917 t->t_originreg.ts_end = t->t_winsize.tp_row; |
| 918 t->t_cursor.tp_row = t->t_cursor.tp_col = 0; |
| 919 t->t_stateflags &= ~TS_WRAPPED; |
| 920 teken_funcs_cursor(t); |
| 921 break; |
| 922 case 7: /* Autowrap mode. */ |
| 923 t->t_stateflags &= ~TS_AUTOWRAP; |
| 924 break; |
| 925 case 8: /* Autorepeat mode. */ |
| 926 teken_funcs_param(t, TP_AUTOREPEAT, 0); |
| 927 break; |
| 928 case 25: /* Hide cursor. */ |
| 929 teken_funcs_param(t, TP_SHOWCURSOR, 0); |
| 930 break; |
| 931 case 40: /* Disallow 132 columns. */ |
| 932 teken_printf("DECRST allow 132\n"); |
| 933 break; |
| 934 case 45: /* Disable reverse wraparound. */ |
| 935 teken_printf("DECRST reverse wraparound\n"); |
| 936 break; |
| 937 case 47: /* Switch to alternate buffer. */ |
| 938 teken_printf("Switch to alternate buffer\n"); |
| 939 break; |
| 940 case 1000: /* Mouse input. */ |
| 941 teken_funcs_param(t, TP_MOUSE, 0); |
| 942 break; |
| 943 default: |
| 944 teken_printf("Unknown DECRST: %u\n", cmd); |
| 945 } |
| 946 } |
| 947 |
| 948 static void |
| 949 teken_subr_reset_mode(teken_t *t, unsigned int cmd) |
| 950 { |
| 951 |
| 952 switch (cmd) { |
| 953 case 4: |
| 954 t->t_stateflags &= ~TS_INSERT; |
| 955 break; |
| 956 default: |
| 957 teken_printf("Unknown reset mode: %u\n", cmd); |
| 958 } |
| 959 } |
| 960 |
| 961 static void |
| 962 teken_subr_do_resize(teken_t *t) |
| 963 { |
| 964 |
| 965 t->t_scrollreg.ts_begin = 0; |
| 966 t->t_scrollreg.ts_end = t->t_winsize.tp_row; |
| 967 t->t_originreg = t->t_scrollreg; |
| 968 } |
| 969 |
| 970 static void |
| 971 teken_subr_do_reset(teken_t *t) |
| 972 { |
| 973 |
| 974 t->t_curattr = t->t_defattr; |
| 975 t->t_cursor.tp_row = t->t_cursor.tp_col = 0; |
| 976 t->t_scrollreg.ts_begin = 0; |
| 977 t->t_scrollreg.ts_end = t->t_winsize.tp_row; |
| 978 t->t_originreg = t->t_scrollreg; |
| 979 t->t_stateflags &= TS_8BIT|TS_CONS25; |
| 980 t->t_stateflags |= TS_AUTOWRAP; |
| 981 |
| 982 t->t_scs[0] = teken_scs_us_ascii; |
| 983 t->t_scs[1] = teken_scs_us_ascii; |
| 984 t->t_curscs = 0; |
| 985 |
| 986 teken_subr_save_cursor(t); |
| 987 teken_tab_default(t); |
| 988 } |
| 989 |
| 990 static void |
| 991 teken_subr_reset_to_initial_state(teken_t *t) |
| 992 { |
| 993 |
| 994 teken_subr_do_reset(t); |
| 995 teken_subr_erase_display(t, 2); |
| 996 teken_funcs_param(t, TP_SHOWCURSOR, 1); |
| 997 teken_funcs_cursor(t); |
| 998 } |
| 999 |
| 1000 static void |
| 1001 teken_subr_restore_cursor(teken_t *t) |
| 1002 { |
| 1003 |
| 1004 t->t_cursor = t->t_saved_cursor; |
| 1005 t->t_curattr = t->t_saved_curattr; |
| 1006 t->t_scs[t->t_curscs] = t->t_saved_curscs; |
| 1007 t->t_stateflags &= ~TS_WRAPPED; |
| 1008 |
| 1009 /* Get out of origin mode when the cursor is moved outside. */ |
| 1010 if (t->t_cursor.tp_row < t->t_originreg.ts_begin || |
| 1011 t->t_cursor.tp_row >= t->t_originreg.ts_end) { |
| 1012 t->t_stateflags &= ~TS_ORIGIN; |
| 1013 t->t_originreg.ts_begin = 0; |
| 1014 t->t_originreg.ts_end = t->t_winsize.tp_row; |
| 1015 } |
| 1016 |
| 1017 teken_funcs_cursor(t); |
| 1018 } |
| 1019 |
| 1020 static void |
| 1021 teken_subr_reverse_index(teken_t *t) |
| 1022 { |
| 1023 |
| 1024 if (t->t_cursor.tp_row > t->t_scrollreg.ts_begin) { |
| 1025 t->t_cursor.tp_row--; |
| 1026 t->t_stateflags &= ~TS_WRAPPED; |
| 1027 teken_funcs_cursor(t); |
| 1028 } else { |
| 1029 teken_subr_do_scroll(t, -1); |
| 1030 } |
| 1031 } |
| 1032 |
| 1033 static void |
| 1034 teken_subr_save_cursor(teken_t *t) |
| 1035 { |
| 1036 |
| 1037 t->t_saved_cursor = t->t_cursor; |
| 1038 t->t_saved_curattr = t->t_curattr; |
| 1039 t->t_saved_curscs = t->t_scs[t->t_curscs]; |
| 1040 } |
| 1041 |
| 1042 static void |
| 1043 teken_subr_secondary_device_attributes(teken_t *t, unsigned int request) |
| 1044 { |
| 1045 |
| 1046 if (request == 0) { |
| 1047 const char response[] = "\x1B[>0;10;0c"; |
| 1048 teken_funcs_respond(t, response, sizeof response - 1); |
| 1049 } else { |
| 1050 teken_printf("Unknown DA2\n"); |
| 1051 } |
| 1052 } |
| 1053 |
| 1054 static void |
| 1055 teken_subr_set_dec_mode(teken_t *t, unsigned int cmd) |
| 1056 { |
| 1057 |
| 1058 switch (cmd) { |
| 1059 case 1: /* Cursor keys mode. */ |
| 1060 t->t_stateflags |= TS_CURSORKEYS; |
| 1061 break; |
| 1062 case 2: /* DECANM: ANSI/VT52 mode. */ |
| 1063 teken_printf("DECSET VT52\n"); |
| 1064 break; |
| 1065 case 3: /* 132 column mode. */ |
| 1066 teken_funcs_param(t, TP_132COLS, 1); |
| 1067 teken_subr_reset_to_initial_state(t); |
| 1068 break; |
| 1069 case 5: /* Inverse video. */ |
| 1070 teken_printf("DECSET inverse video\n"); |
| 1071 break; |
| 1072 case 6: /* Origin mode. */ |
| 1073 t->t_stateflags |= TS_ORIGIN; |
| 1074 t->t_originreg = t->t_scrollreg; |
| 1075 t->t_cursor.tp_row = t->t_scrollreg.ts_begin; |
| 1076 t->t_cursor.tp_col = 0; |
| 1077 t->t_stateflags &= ~TS_WRAPPED; |
| 1078 teken_funcs_cursor(t); |
| 1079 break; |
| 1080 case 7: /* Autowrap mode. */ |
| 1081 t->t_stateflags |= TS_AUTOWRAP; |
| 1082 break; |
| 1083 case 8: /* Autorepeat mode. */ |
| 1084 teken_funcs_param(t, TP_AUTOREPEAT, 1); |
| 1085 break; |
| 1086 case 25: /* Display cursor. */ |
| 1087 teken_funcs_param(t, TP_SHOWCURSOR, 1); |
| 1088 break; |
| 1089 case 40: /* Allow 132 columns. */ |
| 1090 teken_printf("DECSET allow 132\n"); |
| 1091 break; |
| 1092 case 45: /* Enable reverse wraparound. */ |
| 1093 teken_printf("DECSET reverse wraparound\n"); |
| 1094 break; |
| 1095 case 47: /* Switch to alternate buffer. */ |
| 1096 teken_printf("Switch away from alternate buffer\n"); |
| 1097 break; |
| 1098 case 1000: /* Mouse input. */ |
| 1099 teken_funcs_param(t, TP_MOUSE, 1); |
| 1100 break; |
| 1101 default: |
| 1102 teken_printf("Unknown DECSET: %u\n", cmd); |
| 1103 } |
| 1104 } |
| 1105 |
| 1106 static void |
| 1107 teken_subr_set_mode(teken_t *t, unsigned int cmd) |
| 1108 { |
| 1109 |
| 1110 switch (cmd) { |
| 1111 case 4: |
| 1112 teken_printf("Insert mode\n"); |
| 1113 t->t_stateflags |= TS_INSERT; |
| 1114 break; |
| 1115 default: |
| 1116 teken_printf("Unknown set mode: %u\n", cmd); |
| 1117 } |
| 1118 } |
| 1119 |
| 1120 static void |
| 1121 teken_subr_set_graphic_rendition(teken_t *t, unsigned int ncmds, |
| 1122 unsigned int cmds[]) |
| 1123 { |
| 1124 unsigned int i, n; |
| 1125 |
| 1126 /* No attributes means reset. */ |
| 1127 if (ncmds == 0) { |
| 1128 t->t_curattr = t->t_defattr; |
| 1129 return; |
| 1130 } |
| 1131 |
| 1132 for (i = 0; i < ncmds; i++) { |
| 1133 n = cmds[i]; |
| 1134 |
| 1135 switch (n) { |
| 1136 case 0: /* Reset. */ |
| 1137 t->t_curattr = t->t_defattr; |
| 1138 break; |
| 1139 case 1: /* Bold. */ |
| 1140 t->t_curattr.ta_format |= TF_BOLD; |
| 1141 break; |
| 1142 case 4: /* Underline. */ |
| 1143 t->t_curattr.ta_format |= TF_UNDERLINE; |
| 1144 break; |
| 1145 case 5: /* Blink. */ |
| 1146 t->t_curattr.ta_format |= TF_BLINK; |
| 1147 break; |
| 1148 case 7: /* Reverse. */ |
| 1149 t->t_curattr.ta_format |= TF_REVERSE; |
| 1150 break; |
| 1151 case 22: /* Remove bold. */ |
| 1152 t->t_curattr.ta_format &= ~TF_BOLD; |
| 1153 break; |
| 1154 case 24: /* Remove underline. */ |
| 1155 t->t_curattr.ta_format &= ~TF_UNDERLINE; |
| 1156 break; |
| 1157 case 25: /* Remove blink. */ |
| 1158 t->t_curattr.ta_format &= ~TF_BLINK; |
| 1159 break; |
| 1160 case 27: /* Remove reverse. */ |
| 1161 t->t_curattr.ta_format &= ~TF_REVERSE; |
| 1162 break; |
| 1163 case 30: /* Set foreground color: black */ |
| 1164 case 31: /* Set foreground color: red */ |
| 1165 case 32: /* Set foreground color: green */ |
| 1166 case 33: /* Set foreground color: brown */ |
| 1167 case 34: /* Set foreground color: blue */ |
| 1168 case 35: /* Set foreground color: magenta */ |
| 1169 case 36: /* Set foreground color: cyan */ |
| 1170 case 37: /* Set foreground color: white */ |
| 1171 t->t_curattr.ta_fgcolor = n - 30; |
| 1172 break; |
| 1173 case 38: /* Set foreground color: 256 color mode */ |
| 1174 if (i + 2 >= ncmds || cmds[i + 1] != 5) |
| 1175 continue; |
| 1176 t->t_curattr.ta_fgcolor = cmds[i + 2]; |
| 1177 i += 2; |
| 1178 break; |
| 1179 case 39: /* Set default foreground color. */ |
| 1180 t->t_curattr.ta_fgcolor = t->t_defattr.ta_fgcolor; |
| 1181 break; |
| 1182 case 40: /* Set background color: black */ |
| 1183 case 41: /* Set background color: red */ |
| 1184 case 42: /* Set background color: green */ |
| 1185 case 43: /* Set background color: brown */ |
| 1186 case 44: /* Set background color: blue */ |
| 1187 case 45: /* Set background color: magenta */ |
| 1188 case 46: /* Set background color: cyan */ |
| 1189 case 47: /* Set background color: white */ |
| 1190 t->t_curattr.ta_bgcolor = n - 40; |
| 1191 break; |
| 1192 case 48: /* Set background color: 256 color mode */ |
| 1193 if (i + 2 >= ncmds || cmds[i + 1] != 5) |
| 1194 continue; |
| 1195 t->t_curattr.ta_bgcolor = cmds[i + 2]; |
| 1196 i += 2; |
| 1197 break; |
| 1198 case 49: /* Set default background color. */ |
| 1199 t->t_curattr.ta_bgcolor = t->t_defattr.ta_bgcolor; |
| 1200 break; |
| 1201 case 90: /* Set bright foreground color: black */ |
| 1202 case 91: /* Set bright foreground color: red */ |
| 1203 case 92: /* Set bright foreground color: green */ |
| 1204 case 93: /* Set bright foreground color: brown */ |
| 1205 case 94: /* Set bright foreground color: blue */ |
| 1206 case 95: /* Set bright foreground color: magenta */ |
| 1207 case 96: /* Set bright foreground color: cyan */ |
| 1208 case 97: /* Set bright foreground color: white */ |
| 1209 t->t_curattr.ta_fgcolor = n - 90 + 8; |
| 1210 break; |
| 1211 case 100: /* Set bright background color: black */ |
| 1212 case 101: /* Set bright background color: red */ |
| 1213 case 102: /* Set bright background color: green */ |
| 1214 case 103: /* Set bright background color: brown */ |
| 1215 case 104: /* Set bright background color: blue */ |
| 1216 case 105: /* Set bright background color: magenta */ |
| 1217 case 106: /* Set bright background color: cyan */ |
| 1218 case 107: /* Set bright background color: white */ |
| 1219 t->t_curattr.ta_bgcolor = n - 100 + 8; |
| 1220 break; |
| 1221 default: |
| 1222 teken_printf("unsupported attribute %u\n", n); |
| 1223 } |
| 1224 } |
| 1225 } |
| 1226 |
| 1227 static void |
| 1228 teken_subr_set_top_and_bottom_margins(teken_t *t, unsigned int top, |
| 1229 unsigned int bottom) |
| 1230 { |
| 1231 |
| 1232 /* Adjust top row number. */ |
| 1233 if (top > 0) |
| 1234 top--; |
| 1235 /* Adjust bottom row number. */ |
| 1236 if (bottom == 0 || bottom > t->t_winsize.tp_row) |
| 1237 bottom = t->t_winsize.tp_row; |
| 1238 |
| 1239 /* Invalid arguments. */ |
| 1240 if (top >= bottom - 1) { |
| 1241 top = 0; |
| 1242 bottom = t->t_winsize.tp_row; |
| 1243 } |
| 1244 |
| 1245 /* Apply scrolling region. */ |
| 1246 t->t_scrollreg.ts_begin = top; |
| 1247 t->t_scrollreg.ts_end = bottom; |
| 1248 if (t->t_stateflags & TS_ORIGIN) |
| 1249 t->t_originreg = t->t_scrollreg; |
| 1250 |
| 1251 /* Home cursor to the top left of the scrolling region. */ |
| 1252 t->t_cursor.tp_row = t->t_originreg.ts_begin; |
| 1253 t->t_cursor.tp_col = 0; |
| 1254 t->t_stateflags &= ~TS_WRAPPED; |
| 1255 teken_funcs_cursor(t); |
| 1256 } |
| 1257 |
| 1258 static void |
| 1259 teken_subr_single_height_double_width_line(teken_t *t __unused) |
| 1260 { |
| 1261 |
| 1262 teken_printf("single height double width???\n"); |
| 1263 } |
| 1264 |
| 1265 static void |
| 1266 teken_subr_single_height_single_width_line(teken_t *t __unused) |
| 1267 { |
| 1268 |
| 1269 teken_printf("single height single width???\n"); |
| 1270 } |
| 1271 |
| 1272 static void |
| 1273 teken_subr_string_terminator(teken_t *t __unused) |
| 1274 { |
| 1275 |
| 1276 /* |
| 1277 * Strings are already terminated in teken_input_char() when ^[ |
| 1278 * is inserted. |
| 1279 */ |
| 1280 } |
| 1281 |
| 1282 static void |
| 1283 teken_subr_tab_clear(teken_t *t, unsigned int cmd) |
| 1284 { |
| 1285 |
| 1286 switch (cmd) { |
| 1287 case 0: |
| 1288 teken_tab_clear(t, t->t_cursor.tp_col); |
| 1289 break; |
| 1290 case 3: |
| 1291 memset(&t->t_tabstops, 0, T_NUMCOL / 8); |
| 1292 break; |
| 1293 } |
| 1294 } |
| 1295 |
| 1296 static void |
| 1297 teken_subr_vertical_position_absolute(teken_t *t, unsigned int row) |
| 1298 { |
| 1299 |
| 1300 t->t_cursor.tp_row = t->t_originreg.ts_begin + row - 1; |
| 1301 if (t->t_cursor.tp_row >= t->t_originreg.ts_end) |
| 1302 t->t_cursor.tp_row = t->t_originreg.ts_end - 1; |
| 1303 |
| 1304 t->t_stateflags &= ~TS_WRAPPED; |
| 1305 teken_funcs_cursor(t); |
| 1306 } |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1127823002:
Add libteken (from FreeBSD) to third_party. (Closed)
Base URL: https://github.com/domokit/mojo.git@master