27 */ 28 29static void teken_subr_cursor_up(teken_t *, unsigned int); 30static void teken_subr_erase_line(teken_t *, unsigned int); 31static void teken_subr_regular_character(teken_t *, teken_char_t); 32static void teken_subr_reset_to_initial_state(teken_t *); 33static void teken_subr_save_cursor(teken_t *); 34 35static inline int 36teken_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 49static inline void 50teken_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 63static inline void 64teken_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 77static void 78teken_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 88static void 89teken_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 149static ssize_t 150teken_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 183static void 184teken_subr_alignment_test(teken_t *t) 185{ 186 teken_rect_t tr; 187 188 t->t_scrollreg.ts_begin = 0; 189 t->t_scrollreg.ts_end = t->t_winsize.tp_row; 190 191 t->t_cursor.tp_row = t->t_cursor.tp_col = 0; 192 t->t_stateflags &= ~TS_WRAPPED; 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 201static void 202teken_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 225static void 226teken_subr_bell(teken_t *t) 227{ 228 229 teken_funcs_bell(t); 230} 231 232static void 233teken_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 241static void 242teken_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 253static void 254teken_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 272static void 273teken_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 284static void 285teken_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 296static void 297teken_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 315static void 316teken_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 323static void 324teken_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 (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 339static void 340teken_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 352static void 353teken_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 360static void 361teken_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 372static void 373teken_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 395static void 396teken_subr_delete_line(teken_t *t, unsigned int nrows) 397{ 398 teken_rect_t tr; 399 400 tr.tr_begin.tp_col = 0; 401 tr.tr_end.tp_row = t->t_scrollreg.ts_end; 402 tr.tr_end.tp_col = t->t_winsize.tp_col; 403 404 if (t->t_cursor.tp_row + nrows >= t->t_scrollreg.ts_end) { 405 tr.tr_begin.tp_row = t->t_cursor.tp_row; 406 } else { 407 teken_pos_t tp; 408 409 /* Copy rows up. */ 410 tr.tr_begin.tp_row = t->t_cursor.tp_row + nrows; 411 tp.tp_row = t->t_cursor.tp_row; 412 tp.tp_col = 0; 413 teken_funcs_copy(t, &tr, &tp); 414 415 tr.tr_begin.tp_row = t->t_scrollreg.ts_end - nrows; 416 } 417 418 /* Blank trailing rows. */ 419 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); 420} 421 422static void 423teken_subr_device_control_string(teken_t *t __unused) 424{ 425 426 teken_printf("device control string???\n"); 427} 428 429static void 430teken_subr_device_status_report(teken_t *t, unsigned int cmd) 431{ 432 char response[19] = "\x1B[?"; 433 ssize_t len; 434 435 len = teken_subr_do_cpr(t, cmd, response + 3); 436 if (len < 0) 437 return; 438 439 teken_funcs_respond(t, response, len + 3); 440} 441 442static void 443teken_subr_double_height_double_width_line_top(teken_t *t __unused) 444{ 445 446 teken_printf("double height double width top\n"); 447} 448 449static void 450teken_subr_double_height_double_width_line_bottom(teken_t *t __unused) 451{ 452 453 teken_printf("double height double width bottom\n"); 454} 455 456static void 457teken_subr_erase_character(teken_t *t, unsigned int ncols) 458{ 459 teken_rect_t tr; 460 461 tr.tr_begin = t->t_cursor; 462 tr.tr_end.tp_row = t->t_cursor.tp_row + 1; 463 464 if (t->t_cursor.tp_col + ncols >= t->t_winsize.tp_col) 465 tr.tr_end.tp_col = t->t_winsize.tp_col; 466 else 467 tr.tr_end.tp_col = t->t_cursor.tp_col + ncols; 468 469 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); 470} 471 472static void 473teken_subr_erase_display(teken_t *t, unsigned int mode) 474{ 475 teken_rect_t r; 476 477 r.tr_begin.tp_col = 0; 478 r.tr_end.tp_col = t->t_winsize.tp_col; 479 480 switch (mode) { 481 case 1: /* Erase from the top to the cursor. */ 482 teken_subr_erase_line(t, 1); 483 484 /* Erase lines above. */ 485 if (t->t_cursor.tp_row == 0) 486 return; 487 r.tr_begin.tp_row = 0; 488 r.tr_end.tp_row = t->t_cursor.tp_row; 489 break; 490 case 2: /* Erase entire display. */ 491 r.tr_begin.tp_row = 0; 492 r.tr_end.tp_row = t->t_winsize.tp_row; 493 break; 494 default: /* Erase from cursor to the bottom. */ 495 teken_subr_erase_line(t, 0); 496 497 /* Erase lines below. */ 498 if (t->t_cursor.tp_row == t->t_winsize.tp_row - 1) 499 return; 500 r.tr_begin.tp_row = t->t_cursor.tp_row + 1; 501 r.tr_end.tp_row = t->t_winsize.tp_row; 502 break; 503 } 504 505 teken_funcs_fill(t, &r, BLANK, &t->t_curattr); 506} 507 508static void 509teken_subr_erase_line(teken_t *t, unsigned int mode) 510{ 511 teken_rect_t r; 512 513 r.tr_begin.tp_row = t->t_cursor.tp_row; 514 r.tr_end.tp_row = t->t_cursor.tp_row + 1; 515 516 switch (mode) { 517 case 1: /* Erase from the beginning of the line to the cursor. */ 518 r.tr_begin.tp_col = 0; 519 r.tr_end.tp_col = t->t_cursor.tp_col + 1; 520 break; 521 case 2: /* Erase entire line. */ 522 r.tr_begin.tp_col = 0; 523 r.tr_end.tp_col = t->t_winsize.tp_col; 524 break; 525 default: /* Erase from cursor to the end of the line. */ 526 r.tr_begin.tp_col = t->t_cursor.tp_col; 527 r.tr_end.tp_col = t->t_winsize.tp_col; 528 break; 529 } 530 531 teken_funcs_fill(t, &r, BLANK, &t->t_curattr); 532} 533 534static void 535teken_subr_g0_scs_special_graphics(teken_t *t __unused) 536{ 537 538 teken_scs_set(t, 0, teken_scs_special_graphics); 539} 540 541static void 542teken_subr_g0_scs_uk_national(teken_t *t __unused) 543{ 544 545 teken_scs_set(t, 0, teken_scs_uk_national); 546} 547 548static void 549teken_subr_g0_scs_us_ascii(teken_t *t __unused) 550{ 551 552 teken_scs_set(t, 0, teken_scs_us_ascii); 553} 554 555static void 556teken_subr_g1_scs_special_graphics(teken_t *t __unused) 557{ 558 559 teken_scs_set(t, 1, teken_scs_special_graphics); 560} 561 562static void 563teken_subr_g1_scs_uk_national(teken_t *t __unused) 564{ 565 566 teken_scs_set(t, 1, teken_scs_uk_national); 567} 568 569static void 570teken_subr_g1_scs_us_ascii(teken_t *t __unused) 571{ 572 573 teken_scs_set(t, 1, teken_scs_us_ascii); 574} 575 576static void 577teken_subr_horizontal_position_absolute(teken_t *t, unsigned int col) 578{ 579 580 t->t_cursor.tp_col = col - 1; 581 if (t->t_cursor.tp_col >= t->t_winsize.tp_col) 582 t->t_cursor.tp_col = t->t_winsize.tp_col - 1; 583 584 t->t_stateflags &= ~TS_WRAPPED; 585 teken_funcs_cursor(t); 586} 587 588static void 589teken_subr_horizontal_tab(teken_t *t) 590{ 591 592 if (t->t_stateflags & TS_CONS25) { 593 teken_subr_cursor_forward_tabulation(t, 1); 594 } else { 595 teken_rect_t tr; 596 597 tr.tr_begin = t->t_cursor; 598 teken_subr_cursor_forward_tabulation(t, 1); 599 tr.tr_end.tp_row = tr.tr_begin.tp_row + 1; 600 tr.tr_end.tp_col = t->t_cursor.tp_col; 601 602 /* Blank region that we skipped. */ 603 if (tr.tr_end.tp_col > tr.tr_begin.tp_col) 604 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); 605 } 606} 607 608static void 609teken_subr_horizontal_tab_set(teken_t *t) 610{ 611 612 teken_tab_set(t, t->t_cursor.tp_col); 613} 614 615static void 616teken_subr_index(teken_t *t) 617{ 618 619 if (t->t_cursor.tp_row < t->t_scrollreg.ts_end - 1) { 620 t->t_cursor.tp_row++; 621 t->t_stateflags &= ~TS_WRAPPED; 622 teken_funcs_cursor(t); 623 } else { 624 teken_subr_do_scroll(t, 1); 625 } 626} 627 628static void 629teken_subr_insert_character(teken_t *t, unsigned int ncols) 630{ 631 teken_rect_t tr; 632 633 tr.tr_begin = t->t_cursor; 634 tr.tr_end.tp_row = t->t_cursor.tp_row + 1; 635 636 if (t->t_cursor.tp_col + ncols >= t->t_winsize.tp_col) { 637 tr.tr_end.tp_col = t->t_winsize.tp_col; 638 } else { 639 teken_pos_t tp; 640 641 /* Copy characters to the right. */ 642 tr.tr_end.tp_col = t->t_winsize.tp_col - ncols; 643 tp.tp_row = t->t_cursor.tp_row; 644 tp.tp_col = t->t_cursor.tp_col + ncols; 645 teken_funcs_copy(t, &tr, &tp); 646 647 tr.tr_end.tp_col = t->t_cursor.tp_col + ncols; 648 } 649 650 /* Blank current location. */ 651 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); 652} 653 654static void 655teken_subr_insert_line(teken_t *t, unsigned int nrows) 656{ 657 teken_rect_t tr; 658 659 tr.tr_begin.tp_row = t->t_cursor.tp_row; 660 tr.tr_begin.tp_col = 0; 661 tr.tr_end.tp_col = t->t_winsize.tp_col; 662 663 if (t->t_cursor.tp_row + nrows >= t->t_scrollreg.ts_end) { 664 tr.tr_end.tp_row = t->t_scrollreg.ts_end; 665 } else { 666 teken_pos_t tp; 667 668 /* Copy lines down. */ 669 tr.tr_end.tp_row = t->t_scrollreg.ts_end - nrows; 670 tp.tp_row = t->t_cursor.tp_row + nrows; 671 tp.tp_col = 0; 672 teken_funcs_copy(t, &tr, &tp); 673 674 tr.tr_end.tp_row = t->t_cursor.tp_row + nrows; 675 } 676 677 /* Blank current location. */ 678 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); 679} 680 681static void 682teken_subr_keypad_application_mode(teken_t *t) 683{ 684 685 teken_funcs_param(t, TP_KEYPADAPP, 1); 686} 687 688static void 689teken_subr_keypad_numeric_mode(teken_t *t) 690{ 691 692 teken_funcs_param(t, TP_KEYPADAPP, 0); 693} 694 695static void 696teken_subr_newline(teken_t *t) 697{ 698 699 t->t_cursor.tp_row++; 700 701 if (t->t_cursor.tp_row >= t->t_scrollreg.ts_end) { 702 teken_subr_do_scroll(t, 1); 703 t->t_cursor.tp_row = t->t_scrollreg.ts_end - 1; 704 } 705 706 t->t_stateflags &= ~TS_WRAPPED; 707 teken_funcs_cursor(t); 708} 709 710static void 711teken_subr_newpage(teken_t *t) 712{ 713 714 if (t->t_stateflags & TS_CONS25) { 715 teken_rect_t tr; 716 717 tr.tr_begin.tp_row = tr.tr_begin.tp_col = 0; 718 tr.tr_end = t->t_winsize; 719 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); 720 721 t->t_cursor.tp_row = t->t_cursor.tp_col = 0; 722 teken_funcs_cursor(t); 723 } else { 724 teken_subr_newline(t); 725 } 726} 727 728static void 729teken_subr_next_line(teken_t *t) 730{ 731 732 t->t_cursor.tp_col = 0; 733 teken_subr_newline(t); 734} 735 736static void 737teken_subr_pan_down(teken_t *t, unsigned int nrows) 738{ 739 740 teken_subr_do_scroll(t, (int)nrows); 741} 742 743static void 744teken_subr_pan_up(teken_t *t, unsigned int nrows) 745{ 746 747 teken_subr_do_scroll(t, -(int)nrows); 748} 749 750static void 751teken_subr_primary_device_attributes(teken_t *t, unsigned int request) 752{ 753 754 if (request == 0) { 755 const char response[] = "\x1B[?1;2c"; 756 757 teken_funcs_respond(t, response, sizeof response - 1); 758 } else { 759 teken_printf("Unknown DA1\n"); 760 } 761} 762 763static void 764teken_subr_do_putchar(teken_t *t, const teken_pos_t *tp, teken_char_t c, 765 int width) 766{ 767 768 if (t->t_stateflags & TS_INSERT && 769 tp->tp_col < t->t_winsize.tp_col - width) { 770 teken_rect_t ctr; 771 teken_pos_t ctp; 772 773 /* Insert mode. Move existing characters to the right. */ 774 ctr.tr_begin = *tp; 775 ctr.tr_end.tp_row = tp->tp_row + 1; 776 ctr.tr_end.tp_col = t->t_winsize.tp_col - width; 777 ctp.tp_row = tp->tp_row; 778 ctp.tp_col = tp->tp_col + width; 779 teken_funcs_copy(t, &ctr, &ctp); 780 } 781 782 if (width == 2 && tp->tp_col + 1 < t->t_winsize.tp_col) { 783 teken_pos_t tp2; 784 785 /* 786 * Store a space behind double width characters before 787 * actually printing them. This prevents artifacts when 788 * the consumer doesn't render it using double width 789 * glyphs. 790 */ 791 tp2.tp_row = tp->tp_row; 792 tp2.tp_col = tp->tp_col + 1; 793 teken_funcs_putchar(t, &tp2, BLANK, &t->t_curattr); 794 } 795 796 teken_funcs_putchar(t, tp, c, &t->t_curattr); 797} 798 799static void 800teken_subr_regular_character(teken_t *t, teken_char_t c) 801{ 802 int width; 803 804 if (t->t_stateflags & TS_8BIT) {
| 27 */ 28 29static void teken_subr_cursor_up(teken_t *, unsigned int); 30static void teken_subr_erase_line(teken_t *, unsigned int); 31static void teken_subr_regular_character(teken_t *, teken_char_t); 32static void teken_subr_reset_to_initial_state(teken_t *); 33static void teken_subr_save_cursor(teken_t *); 34 35static inline int 36teken_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 49static inline void 50teken_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 63static inline void 64teken_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 77static void 78teken_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 88static void 89teken_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 149static ssize_t 150teken_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 183static void 184teken_subr_alignment_test(teken_t *t) 185{ 186 teken_rect_t tr; 187 188 t->t_scrollreg.ts_begin = 0; 189 t->t_scrollreg.ts_end = t->t_winsize.tp_row; 190 191 t->t_cursor.tp_row = t->t_cursor.tp_col = 0; 192 t->t_stateflags &= ~TS_WRAPPED; 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 201static void 202teken_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 225static void 226teken_subr_bell(teken_t *t) 227{ 228 229 teken_funcs_bell(t); 230} 231 232static void 233teken_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 241static void 242teken_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 253static void 254teken_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 272static void 273teken_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 284static void 285teken_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 296static void 297teken_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 315static void 316teken_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 323static void 324teken_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 (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 339static void 340teken_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 352static void 353teken_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 360static void 361teken_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 372static void 373teken_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 395static void 396teken_subr_delete_line(teken_t *t, unsigned int nrows) 397{ 398 teken_rect_t tr; 399 400 tr.tr_begin.tp_col = 0; 401 tr.tr_end.tp_row = t->t_scrollreg.ts_end; 402 tr.tr_end.tp_col = t->t_winsize.tp_col; 403 404 if (t->t_cursor.tp_row + nrows >= t->t_scrollreg.ts_end) { 405 tr.tr_begin.tp_row = t->t_cursor.tp_row; 406 } else { 407 teken_pos_t tp; 408 409 /* Copy rows up. */ 410 tr.tr_begin.tp_row = t->t_cursor.tp_row + nrows; 411 tp.tp_row = t->t_cursor.tp_row; 412 tp.tp_col = 0; 413 teken_funcs_copy(t, &tr, &tp); 414 415 tr.tr_begin.tp_row = t->t_scrollreg.ts_end - nrows; 416 } 417 418 /* Blank trailing rows. */ 419 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); 420} 421 422static void 423teken_subr_device_control_string(teken_t *t __unused) 424{ 425 426 teken_printf("device control string???\n"); 427} 428 429static void 430teken_subr_device_status_report(teken_t *t, unsigned int cmd) 431{ 432 char response[19] = "\x1B[?"; 433 ssize_t len; 434 435 len = teken_subr_do_cpr(t, cmd, response + 3); 436 if (len < 0) 437 return; 438 439 teken_funcs_respond(t, response, len + 3); 440} 441 442static void 443teken_subr_double_height_double_width_line_top(teken_t *t __unused) 444{ 445 446 teken_printf("double height double width top\n"); 447} 448 449static void 450teken_subr_double_height_double_width_line_bottom(teken_t *t __unused) 451{ 452 453 teken_printf("double height double width bottom\n"); 454} 455 456static void 457teken_subr_erase_character(teken_t *t, unsigned int ncols) 458{ 459 teken_rect_t tr; 460 461 tr.tr_begin = t->t_cursor; 462 tr.tr_end.tp_row = t->t_cursor.tp_row + 1; 463 464 if (t->t_cursor.tp_col + ncols >= t->t_winsize.tp_col) 465 tr.tr_end.tp_col = t->t_winsize.tp_col; 466 else 467 tr.tr_end.tp_col = t->t_cursor.tp_col + ncols; 468 469 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); 470} 471 472static void 473teken_subr_erase_display(teken_t *t, unsigned int mode) 474{ 475 teken_rect_t r; 476 477 r.tr_begin.tp_col = 0; 478 r.tr_end.tp_col = t->t_winsize.tp_col; 479 480 switch (mode) { 481 case 1: /* Erase from the top to the cursor. */ 482 teken_subr_erase_line(t, 1); 483 484 /* Erase lines above. */ 485 if (t->t_cursor.tp_row == 0) 486 return; 487 r.tr_begin.tp_row = 0; 488 r.tr_end.tp_row = t->t_cursor.tp_row; 489 break; 490 case 2: /* Erase entire display. */ 491 r.tr_begin.tp_row = 0; 492 r.tr_end.tp_row = t->t_winsize.tp_row; 493 break; 494 default: /* Erase from cursor to the bottom. */ 495 teken_subr_erase_line(t, 0); 496 497 /* Erase lines below. */ 498 if (t->t_cursor.tp_row == t->t_winsize.tp_row - 1) 499 return; 500 r.tr_begin.tp_row = t->t_cursor.tp_row + 1; 501 r.tr_end.tp_row = t->t_winsize.tp_row; 502 break; 503 } 504 505 teken_funcs_fill(t, &r, BLANK, &t->t_curattr); 506} 507 508static void 509teken_subr_erase_line(teken_t *t, unsigned int mode) 510{ 511 teken_rect_t r; 512 513 r.tr_begin.tp_row = t->t_cursor.tp_row; 514 r.tr_end.tp_row = t->t_cursor.tp_row + 1; 515 516 switch (mode) { 517 case 1: /* Erase from the beginning of the line to the cursor. */ 518 r.tr_begin.tp_col = 0; 519 r.tr_end.tp_col = t->t_cursor.tp_col + 1; 520 break; 521 case 2: /* Erase entire line. */ 522 r.tr_begin.tp_col = 0; 523 r.tr_end.tp_col = t->t_winsize.tp_col; 524 break; 525 default: /* Erase from cursor to the end of the line. */ 526 r.tr_begin.tp_col = t->t_cursor.tp_col; 527 r.tr_end.tp_col = t->t_winsize.tp_col; 528 break; 529 } 530 531 teken_funcs_fill(t, &r, BLANK, &t->t_curattr); 532} 533 534static void 535teken_subr_g0_scs_special_graphics(teken_t *t __unused) 536{ 537 538 teken_scs_set(t, 0, teken_scs_special_graphics); 539} 540 541static void 542teken_subr_g0_scs_uk_national(teken_t *t __unused) 543{ 544 545 teken_scs_set(t, 0, teken_scs_uk_national); 546} 547 548static void 549teken_subr_g0_scs_us_ascii(teken_t *t __unused) 550{ 551 552 teken_scs_set(t, 0, teken_scs_us_ascii); 553} 554 555static void 556teken_subr_g1_scs_special_graphics(teken_t *t __unused) 557{ 558 559 teken_scs_set(t, 1, teken_scs_special_graphics); 560} 561 562static void 563teken_subr_g1_scs_uk_national(teken_t *t __unused) 564{ 565 566 teken_scs_set(t, 1, teken_scs_uk_national); 567} 568 569static void 570teken_subr_g1_scs_us_ascii(teken_t *t __unused) 571{ 572 573 teken_scs_set(t, 1, teken_scs_us_ascii); 574} 575 576static void 577teken_subr_horizontal_position_absolute(teken_t *t, unsigned int col) 578{ 579 580 t->t_cursor.tp_col = col - 1; 581 if (t->t_cursor.tp_col >= t->t_winsize.tp_col) 582 t->t_cursor.tp_col = t->t_winsize.tp_col - 1; 583 584 t->t_stateflags &= ~TS_WRAPPED; 585 teken_funcs_cursor(t); 586} 587 588static void 589teken_subr_horizontal_tab(teken_t *t) 590{ 591 592 if (t->t_stateflags & TS_CONS25) { 593 teken_subr_cursor_forward_tabulation(t, 1); 594 } else { 595 teken_rect_t tr; 596 597 tr.tr_begin = t->t_cursor; 598 teken_subr_cursor_forward_tabulation(t, 1); 599 tr.tr_end.tp_row = tr.tr_begin.tp_row + 1; 600 tr.tr_end.tp_col = t->t_cursor.tp_col; 601 602 /* Blank region that we skipped. */ 603 if (tr.tr_end.tp_col > tr.tr_begin.tp_col) 604 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); 605 } 606} 607 608static void 609teken_subr_horizontal_tab_set(teken_t *t) 610{ 611 612 teken_tab_set(t, t->t_cursor.tp_col); 613} 614 615static void 616teken_subr_index(teken_t *t) 617{ 618 619 if (t->t_cursor.tp_row < t->t_scrollreg.ts_end - 1) { 620 t->t_cursor.tp_row++; 621 t->t_stateflags &= ~TS_WRAPPED; 622 teken_funcs_cursor(t); 623 } else { 624 teken_subr_do_scroll(t, 1); 625 } 626} 627 628static void 629teken_subr_insert_character(teken_t *t, unsigned int ncols) 630{ 631 teken_rect_t tr; 632 633 tr.tr_begin = t->t_cursor; 634 tr.tr_end.tp_row = t->t_cursor.tp_row + 1; 635 636 if (t->t_cursor.tp_col + ncols >= t->t_winsize.tp_col) { 637 tr.tr_end.tp_col = t->t_winsize.tp_col; 638 } else { 639 teken_pos_t tp; 640 641 /* Copy characters to the right. */ 642 tr.tr_end.tp_col = t->t_winsize.tp_col - ncols; 643 tp.tp_row = t->t_cursor.tp_row; 644 tp.tp_col = t->t_cursor.tp_col + ncols; 645 teken_funcs_copy(t, &tr, &tp); 646 647 tr.tr_end.tp_col = t->t_cursor.tp_col + ncols; 648 } 649 650 /* Blank current location. */ 651 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); 652} 653 654static void 655teken_subr_insert_line(teken_t *t, unsigned int nrows) 656{ 657 teken_rect_t tr; 658 659 tr.tr_begin.tp_row = t->t_cursor.tp_row; 660 tr.tr_begin.tp_col = 0; 661 tr.tr_end.tp_col = t->t_winsize.tp_col; 662 663 if (t->t_cursor.tp_row + nrows >= t->t_scrollreg.ts_end) { 664 tr.tr_end.tp_row = t->t_scrollreg.ts_end; 665 } else { 666 teken_pos_t tp; 667 668 /* Copy lines down. */ 669 tr.tr_end.tp_row = t->t_scrollreg.ts_end - nrows; 670 tp.tp_row = t->t_cursor.tp_row + nrows; 671 tp.tp_col = 0; 672 teken_funcs_copy(t, &tr, &tp); 673 674 tr.tr_end.tp_row = t->t_cursor.tp_row + nrows; 675 } 676 677 /* Blank current location. */ 678 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); 679} 680 681static void 682teken_subr_keypad_application_mode(teken_t *t) 683{ 684 685 teken_funcs_param(t, TP_KEYPADAPP, 1); 686} 687 688static void 689teken_subr_keypad_numeric_mode(teken_t *t) 690{ 691 692 teken_funcs_param(t, TP_KEYPADAPP, 0); 693} 694 695static void 696teken_subr_newline(teken_t *t) 697{ 698 699 t->t_cursor.tp_row++; 700 701 if (t->t_cursor.tp_row >= t->t_scrollreg.ts_end) { 702 teken_subr_do_scroll(t, 1); 703 t->t_cursor.tp_row = t->t_scrollreg.ts_end - 1; 704 } 705 706 t->t_stateflags &= ~TS_WRAPPED; 707 teken_funcs_cursor(t); 708} 709 710static void 711teken_subr_newpage(teken_t *t) 712{ 713 714 if (t->t_stateflags & TS_CONS25) { 715 teken_rect_t tr; 716 717 tr.tr_begin.tp_row = tr.tr_begin.tp_col = 0; 718 tr.tr_end = t->t_winsize; 719 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr); 720 721 t->t_cursor.tp_row = t->t_cursor.tp_col = 0; 722 teken_funcs_cursor(t); 723 } else { 724 teken_subr_newline(t); 725 } 726} 727 728static void 729teken_subr_next_line(teken_t *t) 730{ 731 732 t->t_cursor.tp_col = 0; 733 teken_subr_newline(t); 734} 735 736static void 737teken_subr_pan_down(teken_t *t, unsigned int nrows) 738{ 739 740 teken_subr_do_scroll(t, (int)nrows); 741} 742 743static void 744teken_subr_pan_up(teken_t *t, unsigned int nrows) 745{ 746 747 teken_subr_do_scroll(t, -(int)nrows); 748} 749 750static void 751teken_subr_primary_device_attributes(teken_t *t, unsigned int request) 752{ 753 754 if (request == 0) { 755 const char response[] = "\x1B[?1;2c"; 756 757 teken_funcs_respond(t, response, sizeof response - 1); 758 } else { 759 teken_printf("Unknown DA1\n"); 760 } 761} 762 763static void 764teken_subr_do_putchar(teken_t *t, const teken_pos_t *tp, teken_char_t c, 765 int width) 766{ 767 768 if (t->t_stateflags & TS_INSERT && 769 tp->tp_col < t->t_winsize.tp_col - width) { 770 teken_rect_t ctr; 771 teken_pos_t ctp; 772 773 /* Insert mode. Move existing characters to the right. */ 774 ctr.tr_begin = *tp; 775 ctr.tr_end.tp_row = tp->tp_row + 1; 776 ctr.tr_end.tp_col = t->t_winsize.tp_col - width; 777 ctp.tp_row = tp->tp_row; 778 ctp.tp_col = tp->tp_col + width; 779 teken_funcs_copy(t, &ctr, &ctp); 780 } 781 782 if (width == 2 && tp->tp_col + 1 < t->t_winsize.tp_col) { 783 teken_pos_t tp2; 784 785 /* 786 * Store a space behind double width characters before 787 * actually printing them. This prevents artifacts when 788 * the consumer doesn't render it using double width 789 * glyphs. 790 */ 791 tp2.tp_row = tp->tp_row; 792 tp2.tp_col = tp->tp_col + 1; 793 teken_funcs_putchar(t, &tp2, BLANK, &t->t_curattr); 794 } 795 796 teken_funcs_putchar(t, tp, c, &t->t_curattr); 797} 798 799static void 800teken_subr_regular_character(teken_t *t, teken_char_t c) 801{ 802 int width; 803 804 if (t->t_stateflags & TS_8BIT) {
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807 width = 1; 808 } else { 809 c = teken_scs_process(t, c); 810 width = teken_wcwidth(c); 811 /* XXX: Don't process zero-width characters yet. */ 812 if (width <= 0) 813 return; 814 } 815 816 if (t->t_stateflags & TS_CONS25) { 817 teken_subr_do_putchar(t, &t->t_cursor, c, width); 818 t->t_cursor.tp_col += width; 819 820 if (t->t_cursor.tp_col >= t->t_winsize.tp_col) { 821 if (t->t_cursor.tp_row == t->t_scrollreg.ts_end - 1) { 822 /* Perform scrolling. */ 823 teken_subr_do_scroll(t, 1); 824 } else { 825 /* No scrolling needed. */ 826 if (t->t_cursor.tp_row < 827 t->t_winsize.tp_row - 1) 828 t->t_cursor.tp_row++; 829 } 830 t->t_cursor.tp_col = 0; 831 } 832 } else if (t->t_cursor.tp_col == t->t_winsize.tp_col - 1 && 833 (t->t_stateflags & (TS_WRAPPED|TS_AUTOWRAP)) == 834 (TS_WRAPPED|TS_AUTOWRAP)) { 835 teken_pos_t tp; 836 837 /* Perform line wrapping. */ 838 839 if (t->t_cursor.tp_row == t->t_scrollreg.ts_end - 1) { 840 /* Perform scrolling. */ 841 teken_subr_do_scroll(t, 1); 842 tp.tp_row = t->t_scrollreg.ts_end - 1; 843 } else { 844 /* No scrolling needed. */ 845 tp.tp_row = t->t_cursor.tp_row + 1; 846 if (tp.tp_row == t->t_winsize.tp_row) { 847 /* 848 * Corner case: regular character 849 * outside scrolling region, but at the 850 * bottom of the screen. 851 */ 852 teken_subr_do_putchar(t, &t->t_cursor, 853 c, width); 854 return; 855 } 856 } 857 858 tp.tp_col = 0; 859 teken_subr_do_putchar(t, &tp, c, width); 860 861 t->t_cursor.tp_row = tp.tp_row; 862 t->t_cursor.tp_col = width; 863 t->t_stateflags &= ~TS_WRAPPED; 864 } else { 865 /* No line wrapping needed. */ 866 teken_subr_do_putchar(t, &t->t_cursor, c, width); 867 t->t_cursor.tp_col += width; 868 869 if (t->t_cursor.tp_col >= t->t_winsize.tp_col) { 870 t->t_stateflags |= TS_WRAPPED; 871 t->t_cursor.tp_col = t->t_winsize.tp_col - 1; 872 } else { 873 t->t_stateflags &= ~TS_WRAPPED; 874 } 875 } 876 877 teken_funcs_cursor(t); 878} 879 880static void 881teken_subr_reset_dec_mode(teken_t *t, unsigned int cmd) 882{ 883 884 switch (cmd) { 885 case 1: /* Cursor keys mode. */ 886 teken_funcs_param(t, TP_CURSORKEYS, 0); 887 break; 888 case 2: /* DECANM: ANSI/VT52 mode. */ 889 teken_printf("DECRST VT52\n"); 890 break; 891 case 3: /* 132 column mode. */ 892 teken_funcs_param(t, TP_132COLS, 0); 893 teken_subr_reset_to_initial_state(t); 894 break; 895 case 5: /* Inverse video. */ 896 teken_printf("DECRST inverse video\n"); 897 break; 898 case 6: /* Origin mode. */ 899 t->t_stateflags &= ~TS_ORIGIN; 900 t->t_originreg.ts_begin = 0; 901 t->t_originreg.ts_end = t->t_winsize.tp_row; 902 t->t_cursor.tp_row = t->t_cursor.tp_col = 0; 903 t->t_stateflags &= ~TS_WRAPPED; 904 teken_funcs_cursor(t); 905 break; 906 case 7: /* Autowrap mode. */ 907 t->t_stateflags &= ~TS_AUTOWRAP; 908 break; 909 case 8: /* Autorepeat mode. */ 910 teken_funcs_param(t, TP_AUTOREPEAT, 0); 911 break; 912 case 25: /* Hide cursor. */ 913 teken_funcs_param(t, TP_SHOWCURSOR, 0); 914 break; 915 case 40: /* Disallow 132 columns. */ 916 teken_printf("DECRST allow 132\n"); 917 break; 918 case 45: /* Disable reverse wraparound. */ 919 teken_printf("DECRST reverse wraparound\n"); 920 break; 921 case 47: /* Switch to alternate buffer. */ 922 teken_printf("Switch to alternate buffer\n"); 923 break; 924 default: 925 teken_printf("Unknown DECRST: %u\n", cmd); 926 } 927} 928 929static void 930teken_subr_reset_mode(teken_t *t, unsigned int cmd) 931{ 932 933 switch (cmd) { 934 case 4: 935 t->t_stateflags &= ~TS_INSERT; 936 break; 937 default: 938 teken_printf("Unknown reset mode: %u\n", cmd); 939 } 940} 941 942static void 943teken_subr_do_reset(teken_t *t) 944{ 945 946 t->t_curattr = t->t_defattr; 947 t->t_cursor.tp_row = t->t_cursor.tp_col = 0; 948 t->t_scrollreg.ts_begin = 0; 949 t->t_scrollreg.ts_end = t->t_winsize.tp_row; 950 t->t_originreg = t->t_scrollreg; 951 t->t_stateflags &= TS_8BIT|TS_CONS25; 952 t->t_stateflags |= TS_AUTOWRAP; 953 954 teken_scs_set(t, 0, teken_scs_us_ascii); 955 teken_scs_set(t, 1, teken_scs_us_ascii); 956 teken_scs_switch(t, 0); 957 958 teken_subr_save_cursor(t); 959 teken_tab_default(t); 960} 961 962static void 963teken_subr_reset_to_initial_state(teken_t *t) 964{ 965 966 teken_subr_do_reset(t); 967 teken_subr_erase_display(t, 2); 968 teken_funcs_param(t, TP_SHOWCURSOR, 1); 969 teken_funcs_cursor(t); 970} 971 972static void 973teken_subr_restore_cursor(teken_t *t) 974{ 975 976 t->t_cursor = t->t_saved_cursor; 977 t->t_curattr = t->t_saved_curattr; 978 t->t_stateflags &= ~TS_WRAPPED; 979 teken_scs_restore(t); 980 teken_funcs_cursor(t); 981} 982 983static void 984teken_subr_reverse_index(teken_t *t) 985{ 986 987 if (t->t_cursor.tp_row > t->t_scrollreg.ts_begin) { 988 t->t_cursor.tp_row--; 989 t->t_stateflags &= ~TS_WRAPPED; 990 teken_funcs_cursor(t); 991 } else { 992 teken_subr_do_scroll(t, -1); 993 } 994} 995 996static void 997teken_subr_save_cursor(teken_t *t) 998{ 999 1000 t->t_saved_cursor = t->t_cursor; 1001 t->t_saved_curattr = t->t_curattr; 1002 teken_scs_save(t); 1003} 1004 1005static void 1006teken_subr_secondary_device_attributes(teken_t *t, unsigned int request) 1007{ 1008 1009 if (request == 0) { 1010 const char response[] = "\x1B[>0;10;0c"; 1011 teken_funcs_respond(t, response, sizeof response - 1); 1012 } else { 1013 teken_printf("Unknown DA2\n"); 1014 } 1015} 1016 1017static void 1018teken_subr_set_dec_mode(teken_t *t, unsigned int cmd) 1019{ 1020 1021 switch (cmd) { 1022 case 1: /* Cursor keys mode. */ 1023 teken_funcs_param(t, TP_CURSORKEYS, 1); 1024 break; 1025 case 2: /* DECANM: ANSI/VT52 mode. */ 1026 teken_printf("DECSET VT52\n"); 1027 break; 1028 case 3: /* 132 column mode. */ 1029 teken_funcs_param(t, TP_132COLS, 1); 1030 teken_subr_reset_to_initial_state(t); 1031 break; 1032 case 5: /* Inverse video. */ 1033 teken_printf("DECSET inverse video\n"); 1034 break; 1035 case 6: /* Origin mode. */ 1036 t->t_stateflags |= TS_ORIGIN; 1037 t->t_originreg = t->t_scrollreg; 1038 t->t_cursor.tp_row = t->t_scrollreg.ts_begin; 1039 t->t_cursor.tp_col = 0; 1040 t->t_stateflags &= ~TS_WRAPPED; 1041 teken_funcs_cursor(t); 1042 break; 1043 case 7: /* Autowrap mode. */ 1044 t->t_stateflags |= TS_AUTOWRAP; 1045 break; 1046 case 8: /* Autorepeat mode. */ 1047 teken_funcs_param(t, TP_AUTOREPEAT, 1); 1048 break; 1049 case 25: /* Display cursor. */ 1050 teken_funcs_param(t, TP_SHOWCURSOR, 1); 1051 break; 1052 case 40: /* Allow 132 columns. */ 1053 teken_printf("DECSET allow 132\n"); 1054 break; 1055 case 45: /* Enable reverse wraparound. */ 1056 teken_printf("DECSET reverse wraparound\n"); 1057 break; 1058 case 47: /* Switch to alternate buffer. */ 1059 teken_printf("Switch away from alternate buffer\n"); 1060 break; 1061 default: 1062 teken_printf("Unknown DECSET: %u\n", cmd); 1063 } 1064} 1065 1066static void 1067teken_subr_set_mode(teken_t *t, unsigned int cmd) 1068{ 1069 1070 switch (cmd) { 1071 case 4: 1072 teken_printf("Insert mode\n"); 1073 t->t_stateflags |= TS_INSERT; 1074 break; 1075 default: 1076 teken_printf("Unknown set mode: %u\n", cmd); 1077 } 1078} 1079 1080static void 1081teken_subr_set_graphic_rendition(teken_t *t, unsigned int ncmds, 1082 unsigned int cmds[]) 1083{ 1084 unsigned int i, n; 1085 1086 /* No attributes means reset. */ 1087 if (ncmds == 0) { 1088 t->t_curattr = t->t_defattr; 1089 return; 1090 } 1091 1092 for (i = 0; i < ncmds; i++) { 1093 n = cmds[i]; 1094 1095 switch (n) { 1096 case 0: /* Reset. */ 1097 t->t_curattr = t->t_defattr; 1098 break; 1099 case 1: /* Bold. */ 1100 t->t_curattr.ta_format |= TF_BOLD; 1101 break; 1102 case 4: /* Underline. */ 1103 t->t_curattr.ta_format |= TF_UNDERLINE; 1104 break; 1105 case 5: /* Blink. */ 1106 t->t_curattr.ta_format |= TF_BLINK; 1107 break; 1108 case 7: /* Reverse. */ 1109 t->t_curattr.ta_format |= TF_REVERSE; 1110 break; 1111 case 22: /* Remove bold. */ 1112 t->t_curattr.ta_format &= ~TF_BOLD; 1113 break; 1114 case 24: /* Remove underline. */ 1115 t->t_curattr.ta_format &= ~TF_UNDERLINE; 1116 break; 1117 case 25: /* Remove blink. */ 1118 t->t_curattr.ta_format &= ~TF_BLINK; 1119 break; 1120 case 27: /* Remove reverse. */ 1121 t->t_curattr.ta_format &= ~TF_REVERSE; 1122 break; 1123 case 30: /* Set foreground color: black */ 1124 case 31: /* Set foreground color: red */ 1125 case 32: /* Set foreground color: green */ 1126 case 33: /* Set foreground color: brown */ 1127 case 34: /* Set foreground color: blue */ 1128 case 35: /* Set foreground color: magenta */ 1129 case 36: /* Set foreground color: cyan */ 1130 case 37: /* Set foreground color: white */ 1131 t->t_curattr.ta_fgcolor = n - 30; 1132 break; 1133 case 39: /* Set default foreground color. */ 1134 t->t_curattr.ta_fgcolor = t->t_defattr.ta_fgcolor; 1135 break; 1136 case 40: /* Set background color: black */ 1137 case 41: /* Set background color: red */ 1138 case 42: /* Set background color: green */ 1139 case 43: /* Set background color: brown */ 1140 case 44: /* Set background color: blue */ 1141 case 45: /* Set background color: magenta */ 1142 case 46: /* Set background color: cyan */ 1143 case 47: /* Set background color: white */ 1144 t->t_curattr.ta_bgcolor = n - 40; 1145 break; 1146 case 49: /* Set default background color. */ 1147 t->t_curattr.ta_bgcolor = t->t_defattr.ta_bgcolor; 1148 break; 1149 default: 1150 teken_printf("unsupported attribute %u\n", n); 1151 } 1152 } 1153} 1154 1155static void 1156teken_subr_set_top_and_bottom_margins(teken_t *t, unsigned int top, 1157 unsigned int bottom) 1158{ 1159 1160 /* Adjust top row number. */ 1161 if (top > 0) 1162 top--; 1163 /* Adjust bottom row number. */ 1164 if (bottom == 0 || bottom > t->t_winsize.tp_row) 1165 bottom = t->t_winsize.tp_row; 1166 1167 /* Invalid arguments. */ 1168 if (top >= bottom - 1) { 1169 top = 0; 1170 bottom = t->t_winsize.tp_row; 1171 } 1172 1173 t->t_scrollreg.ts_begin = top; 1174 t->t_scrollreg.ts_end = bottom; 1175 if (t->t_stateflags & TS_ORIGIN) { 1176 /* XXX: home cursor? */ 1177 t->t_originreg = t->t_scrollreg; 1178 t->t_cursor.tp_row = t->t_originreg.ts_begin; 1179 t->t_cursor.tp_col = 0; 1180 t->t_stateflags &= ~TS_WRAPPED; 1181 teken_funcs_cursor(t); 1182 } 1183} 1184 1185static void 1186teken_subr_single_height_double_width_line(teken_t *t __unused) 1187{ 1188 1189 teken_printf("single height double width???\n"); 1190} 1191 1192static void 1193teken_subr_single_height_single_width_line(teken_t *t __unused) 1194{ 1195 1196 teken_printf("single height single width???\n"); 1197} 1198 1199static void 1200teken_subr_string_terminator(teken_t *t __unused) 1201{ 1202 1203 teken_printf("string terminator???\n"); 1204} 1205 1206static void 1207teken_subr_tab_clear(teken_t *t, unsigned int cmd) 1208{ 1209 1210 switch (cmd) { 1211 case 0: 1212 teken_tab_clear(t, t->t_cursor.tp_col); 1213 break; 1214 case 3: 1215 memset(&t->t_tabstops, 0, T_NUMCOL / 8); 1216 break; 1217 } 1218} 1219 1220static void 1221teken_subr_vertical_position_absolute(teken_t *t, unsigned int row) 1222{ 1223 1224 t->t_cursor.tp_row = t->t_originreg.ts_begin + row - 1; 1225 if (row >= t->t_originreg.ts_end) 1226 t->t_cursor.tp_row = t->t_originreg.ts_end - 1; 1227 1228 1229 t->t_stateflags &= ~TS_WRAPPED; 1230 teken_funcs_cursor(t); 1231}
| 808 width = 1; 809 } else { 810 c = teken_scs_process(t, c); 811 width = teken_wcwidth(c); 812 /* XXX: Don't process zero-width characters yet. */ 813 if (width <= 0) 814 return; 815 } 816 817 if (t->t_stateflags & TS_CONS25) { 818 teken_subr_do_putchar(t, &t->t_cursor, c, width); 819 t->t_cursor.tp_col += width; 820 821 if (t->t_cursor.tp_col >= t->t_winsize.tp_col) { 822 if (t->t_cursor.tp_row == t->t_scrollreg.ts_end - 1) { 823 /* Perform scrolling. */ 824 teken_subr_do_scroll(t, 1); 825 } else { 826 /* No scrolling needed. */ 827 if (t->t_cursor.tp_row < 828 t->t_winsize.tp_row - 1) 829 t->t_cursor.tp_row++; 830 } 831 t->t_cursor.tp_col = 0; 832 } 833 } else if (t->t_cursor.tp_col == t->t_winsize.tp_col - 1 && 834 (t->t_stateflags & (TS_WRAPPED|TS_AUTOWRAP)) == 835 (TS_WRAPPED|TS_AUTOWRAP)) { 836 teken_pos_t tp; 837 838 /* Perform line wrapping. */ 839 840 if (t->t_cursor.tp_row == t->t_scrollreg.ts_end - 1) { 841 /* Perform scrolling. */ 842 teken_subr_do_scroll(t, 1); 843 tp.tp_row = t->t_scrollreg.ts_end - 1; 844 } else { 845 /* No scrolling needed. */ 846 tp.tp_row = t->t_cursor.tp_row + 1; 847 if (tp.tp_row == t->t_winsize.tp_row) { 848 /* 849 * Corner case: regular character 850 * outside scrolling region, but at the 851 * bottom of the screen. 852 */ 853 teken_subr_do_putchar(t, &t->t_cursor, 854 c, width); 855 return; 856 } 857 } 858 859 tp.tp_col = 0; 860 teken_subr_do_putchar(t, &tp, c, width); 861 862 t->t_cursor.tp_row = tp.tp_row; 863 t->t_cursor.tp_col = width; 864 t->t_stateflags &= ~TS_WRAPPED; 865 } else { 866 /* No line wrapping needed. */ 867 teken_subr_do_putchar(t, &t->t_cursor, c, width); 868 t->t_cursor.tp_col += width; 869 870 if (t->t_cursor.tp_col >= t->t_winsize.tp_col) { 871 t->t_stateflags |= TS_WRAPPED; 872 t->t_cursor.tp_col = t->t_winsize.tp_col - 1; 873 } else { 874 t->t_stateflags &= ~TS_WRAPPED; 875 } 876 } 877 878 teken_funcs_cursor(t); 879} 880 881static void 882teken_subr_reset_dec_mode(teken_t *t, unsigned int cmd) 883{ 884 885 switch (cmd) { 886 case 1: /* Cursor keys mode. */ 887 teken_funcs_param(t, TP_CURSORKEYS, 0); 888 break; 889 case 2: /* DECANM: ANSI/VT52 mode. */ 890 teken_printf("DECRST VT52\n"); 891 break; 892 case 3: /* 132 column mode. */ 893 teken_funcs_param(t, TP_132COLS, 0); 894 teken_subr_reset_to_initial_state(t); 895 break; 896 case 5: /* Inverse video. */ 897 teken_printf("DECRST inverse video\n"); 898 break; 899 case 6: /* Origin mode. */ 900 t->t_stateflags &= ~TS_ORIGIN; 901 t->t_originreg.ts_begin = 0; 902 t->t_originreg.ts_end = t->t_winsize.tp_row; 903 t->t_cursor.tp_row = t->t_cursor.tp_col = 0; 904 t->t_stateflags &= ~TS_WRAPPED; 905 teken_funcs_cursor(t); 906 break; 907 case 7: /* Autowrap mode. */ 908 t->t_stateflags &= ~TS_AUTOWRAP; 909 break; 910 case 8: /* Autorepeat mode. */ 911 teken_funcs_param(t, TP_AUTOREPEAT, 0); 912 break; 913 case 25: /* Hide cursor. */ 914 teken_funcs_param(t, TP_SHOWCURSOR, 0); 915 break; 916 case 40: /* Disallow 132 columns. */ 917 teken_printf("DECRST allow 132\n"); 918 break; 919 case 45: /* Disable reverse wraparound. */ 920 teken_printf("DECRST reverse wraparound\n"); 921 break; 922 case 47: /* Switch to alternate buffer. */ 923 teken_printf("Switch to alternate buffer\n"); 924 break; 925 default: 926 teken_printf("Unknown DECRST: %u\n", cmd); 927 } 928} 929 930static void 931teken_subr_reset_mode(teken_t *t, unsigned int cmd) 932{ 933 934 switch (cmd) { 935 case 4: 936 t->t_stateflags &= ~TS_INSERT; 937 break; 938 default: 939 teken_printf("Unknown reset mode: %u\n", cmd); 940 } 941} 942 943static void 944teken_subr_do_reset(teken_t *t) 945{ 946 947 t->t_curattr = t->t_defattr; 948 t->t_cursor.tp_row = t->t_cursor.tp_col = 0; 949 t->t_scrollreg.ts_begin = 0; 950 t->t_scrollreg.ts_end = t->t_winsize.tp_row; 951 t->t_originreg = t->t_scrollreg; 952 t->t_stateflags &= TS_8BIT|TS_CONS25; 953 t->t_stateflags |= TS_AUTOWRAP; 954 955 teken_scs_set(t, 0, teken_scs_us_ascii); 956 teken_scs_set(t, 1, teken_scs_us_ascii); 957 teken_scs_switch(t, 0); 958 959 teken_subr_save_cursor(t); 960 teken_tab_default(t); 961} 962 963static void 964teken_subr_reset_to_initial_state(teken_t *t) 965{ 966 967 teken_subr_do_reset(t); 968 teken_subr_erase_display(t, 2); 969 teken_funcs_param(t, TP_SHOWCURSOR, 1); 970 teken_funcs_cursor(t); 971} 972 973static void 974teken_subr_restore_cursor(teken_t *t) 975{ 976 977 t->t_cursor = t->t_saved_cursor; 978 t->t_curattr = t->t_saved_curattr; 979 t->t_stateflags &= ~TS_WRAPPED; 980 teken_scs_restore(t); 981 teken_funcs_cursor(t); 982} 983 984static void 985teken_subr_reverse_index(teken_t *t) 986{ 987 988 if (t->t_cursor.tp_row > t->t_scrollreg.ts_begin) { 989 t->t_cursor.tp_row--; 990 t->t_stateflags &= ~TS_WRAPPED; 991 teken_funcs_cursor(t); 992 } else { 993 teken_subr_do_scroll(t, -1); 994 } 995} 996 997static void 998teken_subr_save_cursor(teken_t *t) 999{ 1000 1001 t->t_saved_cursor = t->t_cursor; 1002 t->t_saved_curattr = t->t_curattr; 1003 teken_scs_save(t); 1004} 1005 1006static void 1007teken_subr_secondary_device_attributes(teken_t *t, unsigned int request) 1008{ 1009 1010 if (request == 0) { 1011 const char response[] = "\x1B[>0;10;0c"; 1012 teken_funcs_respond(t, response, sizeof response - 1); 1013 } else { 1014 teken_printf("Unknown DA2\n"); 1015 } 1016} 1017 1018static void 1019teken_subr_set_dec_mode(teken_t *t, unsigned int cmd) 1020{ 1021 1022 switch (cmd) { 1023 case 1: /* Cursor keys mode. */ 1024 teken_funcs_param(t, TP_CURSORKEYS, 1); 1025 break; 1026 case 2: /* DECANM: ANSI/VT52 mode. */ 1027 teken_printf("DECSET VT52\n"); 1028 break; 1029 case 3: /* 132 column mode. */ 1030 teken_funcs_param(t, TP_132COLS, 1); 1031 teken_subr_reset_to_initial_state(t); 1032 break; 1033 case 5: /* Inverse video. */ 1034 teken_printf("DECSET inverse video\n"); 1035 break; 1036 case 6: /* Origin mode. */ 1037 t->t_stateflags |= TS_ORIGIN; 1038 t->t_originreg = t->t_scrollreg; 1039 t->t_cursor.tp_row = t->t_scrollreg.ts_begin; 1040 t->t_cursor.tp_col = 0; 1041 t->t_stateflags &= ~TS_WRAPPED; 1042 teken_funcs_cursor(t); 1043 break; 1044 case 7: /* Autowrap mode. */ 1045 t->t_stateflags |= TS_AUTOWRAP; 1046 break; 1047 case 8: /* Autorepeat mode. */ 1048 teken_funcs_param(t, TP_AUTOREPEAT, 1); 1049 break; 1050 case 25: /* Display cursor. */ 1051 teken_funcs_param(t, TP_SHOWCURSOR, 1); 1052 break; 1053 case 40: /* Allow 132 columns. */ 1054 teken_printf("DECSET allow 132\n"); 1055 break; 1056 case 45: /* Enable reverse wraparound. */ 1057 teken_printf("DECSET reverse wraparound\n"); 1058 break; 1059 case 47: /* Switch to alternate buffer. */ 1060 teken_printf("Switch away from alternate buffer\n"); 1061 break; 1062 default: 1063 teken_printf("Unknown DECSET: %u\n", cmd); 1064 } 1065} 1066 1067static void 1068teken_subr_set_mode(teken_t *t, unsigned int cmd) 1069{ 1070 1071 switch (cmd) { 1072 case 4: 1073 teken_printf("Insert mode\n"); 1074 t->t_stateflags |= TS_INSERT; 1075 break; 1076 default: 1077 teken_printf("Unknown set mode: %u\n", cmd); 1078 } 1079} 1080 1081static void 1082teken_subr_set_graphic_rendition(teken_t *t, unsigned int ncmds, 1083 unsigned int cmds[]) 1084{ 1085 unsigned int i, n; 1086 1087 /* No attributes means reset. */ 1088 if (ncmds == 0) { 1089 t->t_curattr = t->t_defattr; 1090 return; 1091 } 1092 1093 for (i = 0; i < ncmds; i++) { 1094 n = cmds[i]; 1095 1096 switch (n) { 1097 case 0: /* Reset. */ 1098 t->t_curattr = t->t_defattr; 1099 break; 1100 case 1: /* Bold. */ 1101 t->t_curattr.ta_format |= TF_BOLD; 1102 break; 1103 case 4: /* Underline. */ 1104 t->t_curattr.ta_format |= TF_UNDERLINE; 1105 break; 1106 case 5: /* Blink. */ 1107 t->t_curattr.ta_format |= TF_BLINK; 1108 break; 1109 case 7: /* Reverse. */ 1110 t->t_curattr.ta_format |= TF_REVERSE; 1111 break; 1112 case 22: /* Remove bold. */ 1113 t->t_curattr.ta_format &= ~TF_BOLD; 1114 break; 1115 case 24: /* Remove underline. */ 1116 t->t_curattr.ta_format &= ~TF_UNDERLINE; 1117 break; 1118 case 25: /* Remove blink. */ 1119 t->t_curattr.ta_format &= ~TF_BLINK; 1120 break; 1121 case 27: /* Remove reverse. */ 1122 t->t_curattr.ta_format &= ~TF_REVERSE; 1123 break; 1124 case 30: /* Set foreground color: black */ 1125 case 31: /* Set foreground color: red */ 1126 case 32: /* Set foreground color: green */ 1127 case 33: /* Set foreground color: brown */ 1128 case 34: /* Set foreground color: blue */ 1129 case 35: /* Set foreground color: magenta */ 1130 case 36: /* Set foreground color: cyan */ 1131 case 37: /* Set foreground color: white */ 1132 t->t_curattr.ta_fgcolor = n - 30; 1133 break; 1134 case 39: /* Set default foreground color. */ 1135 t->t_curattr.ta_fgcolor = t->t_defattr.ta_fgcolor; 1136 break; 1137 case 40: /* Set background color: black */ 1138 case 41: /* Set background color: red */ 1139 case 42: /* Set background color: green */ 1140 case 43: /* Set background color: brown */ 1141 case 44: /* Set background color: blue */ 1142 case 45: /* Set background color: magenta */ 1143 case 46: /* Set background color: cyan */ 1144 case 47: /* Set background color: white */ 1145 t->t_curattr.ta_bgcolor = n - 40; 1146 break; 1147 case 49: /* Set default background color. */ 1148 t->t_curattr.ta_bgcolor = t->t_defattr.ta_bgcolor; 1149 break; 1150 default: 1151 teken_printf("unsupported attribute %u\n", n); 1152 } 1153 } 1154} 1155 1156static void 1157teken_subr_set_top_and_bottom_margins(teken_t *t, unsigned int top, 1158 unsigned int bottom) 1159{ 1160 1161 /* Adjust top row number. */ 1162 if (top > 0) 1163 top--; 1164 /* Adjust bottom row number. */ 1165 if (bottom == 0 || bottom > t->t_winsize.tp_row) 1166 bottom = t->t_winsize.tp_row; 1167 1168 /* Invalid arguments. */ 1169 if (top >= bottom - 1) { 1170 top = 0; 1171 bottom = t->t_winsize.tp_row; 1172 } 1173 1174 t->t_scrollreg.ts_begin = top; 1175 t->t_scrollreg.ts_end = bottom; 1176 if (t->t_stateflags & TS_ORIGIN) { 1177 /* XXX: home cursor? */ 1178 t->t_originreg = t->t_scrollreg; 1179 t->t_cursor.tp_row = t->t_originreg.ts_begin; 1180 t->t_cursor.tp_col = 0; 1181 t->t_stateflags &= ~TS_WRAPPED; 1182 teken_funcs_cursor(t); 1183 } 1184} 1185 1186static void 1187teken_subr_single_height_double_width_line(teken_t *t __unused) 1188{ 1189 1190 teken_printf("single height double width???\n"); 1191} 1192 1193static void 1194teken_subr_single_height_single_width_line(teken_t *t __unused) 1195{ 1196 1197 teken_printf("single height single width???\n"); 1198} 1199 1200static void 1201teken_subr_string_terminator(teken_t *t __unused) 1202{ 1203 1204 teken_printf("string terminator???\n"); 1205} 1206 1207static void 1208teken_subr_tab_clear(teken_t *t, unsigned int cmd) 1209{ 1210 1211 switch (cmd) { 1212 case 0: 1213 teken_tab_clear(t, t->t_cursor.tp_col); 1214 break; 1215 case 3: 1216 memset(&t->t_tabstops, 0, T_NUMCOL / 8); 1217 break; 1218 } 1219} 1220 1221static void 1222teken_subr_vertical_position_absolute(teken_t *t, unsigned int row) 1223{ 1224 1225 t->t_cursor.tp_row = t->t_originreg.ts_begin + row - 1; 1226 if (row >= t->t_originreg.ts_end) 1227 t->t_cursor.tp_row = t->t_originreg.ts_end - 1; 1228 1229 1230 t->t_stateflags &= ~TS_WRAPPED; 1231 teken_funcs_cursor(t); 1232}
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