2 * Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
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 *);
36 teken_tab_isset(teken_t *t, unsigned int col)
41 return ((col % 8) == 0);
43 b = col / (sizeof(unsigned int) * 8);
44 o = col % (sizeof(unsigned int) * 8);
46 return (t->t_tabstops[b] & (1 << o));
50 teken_tab_clear(teken_t *t, unsigned int col)
57 b = col / (sizeof(unsigned int) * 8);
58 o = col % (sizeof(unsigned int) * 8);
60 t->t_tabstops[b] &= ~(1 << o);
64 teken_tab_set(teken_t *t, unsigned int col)
71 b = col / (sizeof(unsigned int) * 8);
72 o = col % (sizeof(unsigned int) * 8);
74 t->t_tabstops[b] |= 1 << o;
78 teken_tab_default(teken_t *t)
82 memset(&t->t_tabstops, 0, T_NUMCOL / 8);
84 for (i = 8; i < T_NUMCOL; i += 8)
89 teken_subr_do_scroll(teken_t *t, int amount)
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);
98 /* Copy existing data 1 line up. */
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;
110 teken_funcs_copy(t, &tr, &tp);
112 tr.tr_begin.tp_row = t->t_scrollreg.ts_end - amount;
114 tr.tr_begin.tp_row = t->t_scrollreg.ts_begin;
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);
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;
134 teken_funcs_copy(t, &tr, &tp);
136 tr.tr_end.tp_row = t->t_scrollreg.ts_begin + amount;
138 tr.tr_end.tp_row = t->t_scrollreg.ts_end;
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);
150 teken_subr_do_cpr(teken_t *t, unsigned int cmd, char response[16])
154 case 5: /* Operating status. */
155 strcpy(response, "0n");
157 case 6: { /* Cursor position. */
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);
168 case 15: /* Printer status. */
169 strcpy(response, "13n");
171 case 25: /* UDK status. */
172 strcpy(response, "20n");
174 case 26: /* Keyboard status. */
175 strcpy(response, "27;1n");
178 teken_printf("Unknown DSR\n");
184 teken_subr_alignment_test(teken_t *t)
188 t->t_scrollreg.ts_begin = 0;
189 t->t_scrollreg.ts_end = t->t_winsize.tp_row;
191 t->t_cursor.tp_row = t->t_cursor.tp_col = 0;
192 t->t_stateflags &= ~TS_WRAPPED;
193 teken_funcs_cursor(t);
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);
202 teken_subr_backspace(teken_t *t)
206 if (t->t_cursor.tp_col == 0)
209 t->t_cursor.tp_col--;
210 t->t_stateflags &= ~TS_WRAPPED;
211 #else /* !TEKEN_XTERM */
212 if (t->t_cursor.tp_col == 0) {
213 if (t->t_cursor.tp_row == t->t_originreg.ts_begin)
215 t->t_cursor.tp_row--;
216 t->t_cursor.tp_col = t->t_winsize.tp_col - 1;
218 t->t_cursor.tp_col--;
220 #endif /* TEKEN_XTERM */
222 teken_funcs_cursor(t);
226 teken_subr_bell(teken_t *t)
233 teken_subr_carriage_return(teken_t *t)
236 t->t_cursor.tp_col = 0;
237 t->t_stateflags &= ~TS_WRAPPED;
238 teken_funcs_cursor(t);
242 teken_subr_cursor_backward(teken_t *t, unsigned int ncols)
245 if (ncols > t->t_cursor.tp_col)
246 t->t_cursor.tp_col = 0;
248 t->t_cursor.tp_col -= ncols;
249 t->t_stateflags &= ~TS_WRAPPED;
250 teken_funcs_cursor(t);
254 teken_subr_cursor_backward_tabulation(teken_t *t, unsigned int ntabs)
258 /* Stop when we've reached the beginning of the line. */
259 if (t->t_cursor.tp_col == 0)
262 t->t_cursor.tp_col--;
264 /* Tab marker set. */
265 if (teken_tab_isset(t, t->t_cursor.tp_col))
269 teken_funcs_cursor(t);
273 teken_subr_cursor_down(teken_t *t, unsigned int nrows)
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;
279 t->t_cursor.tp_row += nrows;
280 t->t_stateflags &= ~TS_WRAPPED;
281 teken_funcs_cursor(t);
285 teken_subr_cursor_forward(teken_t *t, unsigned int ncols)
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;
291 t->t_cursor.tp_col += ncols;
292 t->t_stateflags &= ~TS_WRAPPED;
293 teken_funcs_cursor(t);
297 teken_subr_cursor_forward_tabulation(teken_t *t, unsigned int ntabs)
301 /* Stop when we've reached the end of the line. */
302 if (t->t_cursor.tp_col == t->t_winsize.tp_col - 1)
305 t->t_cursor.tp_col++;
307 /* Tab marker set. */
308 if (teken_tab_isset(t, t->t_cursor.tp_col))
312 teken_funcs_cursor(t);
316 teken_subr_cursor_next_line(teken_t *t, unsigned int ncols)
319 t->t_cursor.tp_col = 0;
320 teken_subr_cursor_down(t, ncols);
324 teken_subr_cursor_position(teken_t *t, unsigned int row, unsigned int col)
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;
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;
335 t->t_stateflags &= ~TS_WRAPPED;
336 teken_funcs_cursor(t);
340 teken_subr_cursor_position_report(teken_t *t, unsigned int cmd)
342 char response[18] = "\x1B[";
345 len = teken_subr_do_cpr(t, cmd, response + 2);
349 teken_funcs_respond(t, response, len + 2);
353 teken_subr_cursor_previous_line(teken_t *t, unsigned int ncols)
356 t->t_cursor.tp_col = 0;
357 teken_subr_cursor_up(t, ncols);
361 teken_subr_cursor_up(teken_t *t, unsigned int nrows)
364 if (t->t_scrollreg.ts_begin + nrows >= t->t_cursor.tp_row)
365 t->t_cursor.tp_row = t->t_scrollreg.ts_begin;
367 t->t_cursor.tp_row -= nrows;
368 t->t_stateflags &= ~TS_WRAPPED;
369 teken_funcs_cursor(t);
373 teken_subr_delete_character(teken_t *t, unsigned int ncols)
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;
381 if (t->t_cursor.tp_col + ncols >= t->t_winsize.tp_col) {
382 tr.tr_begin.tp_col = t->t_cursor.tp_col;
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);
388 tr.tr_begin.tp_col = t->t_winsize.tp_col - ncols;
391 /* Blank trailing columns. */
392 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr);
396 teken_subr_delete_line(teken_t *t, unsigned int nrows)
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;
404 if (t->t_cursor.tp_row + nrows >= t->t_scrollreg.ts_end) {
405 tr.tr_begin.tp_row = t->t_cursor.tp_row;
410 tr.tr_begin.tp_row = t->t_cursor.tp_row + nrows;
411 tp.tp_row = t->t_cursor.tp_row;
413 teken_funcs_copy(t, &tr, &tp);
415 tr.tr_begin.tp_row = t->t_scrollreg.ts_end - nrows;
418 /* Blank trailing rows. */
419 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr);
423 teken_subr_device_control_string(teken_t *t __unused)
426 teken_printf("device control string???\n");
430 teken_subr_device_status_report(teken_t *t, unsigned int cmd)
432 char response[19] = "\x1B[?";
435 len = teken_subr_do_cpr(t, cmd, response + 3);
439 teken_funcs_respond(t, response, len + 3);
443 teken_subr_double_height_double_width_line_top(teken_t *t __unused)
446 teken_printf("double height double width top\n");
450 teken_subr_double_height_double_width_line_bottom(teken_t *t __unused)
453 teken_printf("double height double width bottom\n");
457 teken_subr_erase_character(teken_t *t, unsigned int ncols)
461 tr.tr_begin = t->t_cursor;
462 tr.tr_end.tp_row = t->t_cursor.tp_row + 1;
464 if (t->t_cursor.tp_col + ncols >= t->t_winsize.tp_col)
465 tr.tr_end.tp_col = t->t_winsize.tp_col;
467 tr.tr_end.tp_col = t->t_cursor.tp_col + ncols;
469 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr);
473 teken_subr_erase_display(teken_t *t, unsigned int mode)
477 r.tr_begin.tp_col = 0;
478 r.tr_end.tp_col = t->t_winsize.tp_col;
481 case 1: /* Erase from the top to the cursor. */
482 teken_subr_erase_line(t, 1);
484 /* Erase lines above. */
485 if (t->t_cursor.tp_row == 0)
487 r.tr_begin.tp_row = 0;
488 r.tr_end.tp_row = t->t_cursor.tp_row;
490 case 2: /* Erase entire display. */
491 r.tr_begin.tp_row = 0;
492 r.tr_end.tp_row = t->t_winsize.tp_row;
494 default: /* Erase from cursor to the bottom. */
495 teken_subr_erase_line(t, 0);
497 /* Erase lines below. */
498 if (t->t_cursor.tp_row == t->t_winsize.tp_row - 1)
500 r.tr_begin.tp_row = t->t_cursor.tp_row + 1;
501 r.tr_end.tp_row = t->t_winsize.tp_row;
505 teken_funcs_fill(t, &r, BLANK, &t->t_curattr);
509 teken_subr_erase_line(teken_t *t, unsigned int mode)
513 r.tr_begin.tp_row = t->t_cursor.tp_row;
514 r.tr_end.tp_row = t->t_cursor.tp_row + 1;
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;
521 case 2: /* Erase entire line. */
522 r.tr_begin.tp_col = 0;
523 r.tr_end.tp_col = t->t_winsize.tp_col;
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;
531 teken_funcs_fill(t, &r, BLANK, &t->t_curattr);
535 teken_subr_g0_scs_special_graphics(teken_t *t __unused)
538 teken_scs_set(t, 0, teken_scs_special_graphics);
542 teken_subr_g0_scs_uk_national(teken_t *t __unused)
545 teken_scs_set(t, 0, teken_scs_uk_national);
549 teken_subr_g0_scs_us_ascii(teken_t *t __unused)
552 teken_scs_set(t, 0, teken_scs_us_ascii);
556 teken_subr_g1_scs_special_graphics(teken_t *t __unused)
559 teken_scs_set(t, 1, teken_scs_special_graphics);
563 teken_subr_g1_scs_uk_national(teken_t *t __unused)
566 teken_scs_set(t, 1, teken_scs_uk_national);
570 teken_subr_g1_scs_us_ascii(teken_t *t __unused)
573 teken_scs_set(t, 1, teken_scs_us_ascii);
577 teken_subr_horizontal_position_absolute(teken_t *t, unsigned int col)
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;
584 t->t_stateflags &= ~TS_WRAPPED;
585 teken_funcs_cursor(t);
589 teken_subr_horizontal_tab(teken_t *t)
594 tr.tr_begin = t->t_cursor;
595 teken_subr_cursor_forward_tabulation(t, 1);
596 tr.tr_end.tp_row = tr.tr_begin.tp_row + 1;
597 tr.tr_end.tp_col = t->t_cursor.tp_col;
599 /* Blank region that we skipped. */
600 if (tr.tr_end.tp_col > tr.tr_begin.tp_col)
601 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr);
602 #else /* !TEKEN_XTERM */
604 teken_subr_cursor_forward_tabulation(t, 1);
605 #endif /* TEKEN_XTERM */
609 teken_subr_horizontal_tab_set(teken_t *t)
612 teken_tab_set(t, t->t_cursor.tp_col);
616 teken_subr_index(teken_t *t)
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);
624 teken_subr_do_scroll(t, 1);
629 teken_subr_insert_character(teken_t *t, unsigned int ncols)
633 tr.tr_begin = t->t_cursor;
634 tr.tr_end.tp_row = t->t_cursor.tp_row + 1;
636 if (t->t_cursor.tp_col + ncols >= t->t_winsize.tp_col) {
637 tr.tr_end.tp_col = t->t_winsize.tp_col;
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);
647 tr.tr_end.tp_col = t->t_cursor.tp_col + ncols;
650 /* Blank current location. */
651 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr);
655 teken_subr_insert_line(teken_t *t, unsigned int nrows)
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;
663 if (t->t_cursor.tp_row + nrows >= t->t_scrollreg.ts_end) {
664 tr.tr_end.tp_row = t->t_scrollreg.ts_end;
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;
672 teken_funcs_copy(t, &tr, &tp);
674 tr.tr_end.tp_row = t->t_cursor.tp_row + nrows;
677 /* Blank current location. */
678 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr);
682 teken_subr_keypad_application_mode(teken_t *t)
685 teken_funcs_param(t, TP_KEYPADAPP, 1);
689 teken_subr_keypad_numeric_mode(teken_t *t)
692 teken_funcs_param(t, TP_KEYPADAPP, 0);
696 teken_subr_newline(teken_t *t)
699 t->t_cursor.tp_row++;
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;
706 t->t_stateflags &= ~TS_WRAPPED;
707 teken_funcs_cursor(t);
711 teken_subr_newpage(teken_t *t)
715 teken_subr_newline(t);
716 #else /* !TEKEN_XTERM */
719 tr.tr_begin.tp_row = tr.tr_begin.tp_col = 0;
720 tr.tr_end = t->t_winsize;
721 teken_funcs_fill(t, &tr, BLANK, &t->t_curattr);
723 t->t_cursor.tp_row = t->t_cursor.tp_col = 0;
724 teken_funcs_cursor(t);
725 #endif /* TEKEN_XTERM */
729 teken_subr_next_line(teken_t *t)
732 t->t_cursor.tp_col = 0;
733 teken_subr_newline(t);
737 teken_subr_pan_down(teken_t *t, unsigned int nrows)
740 teken_subr_do_scroll(t, (int)nrows);
744 teken_subr_pan_up(teken_t *t, unsigned int nrows)
747 teken_subr_do_scroll(t, -(int)nrows);
751 teken_subr_primary_device_attributes(teken_t *t, unsigned int request)
755 const char response[] = "\x1B[?1;2c";
757 teken_funcs_respond(t, response, sizeof response - 1);
759 teken_printf("Unknown DA1\n");
764 teken_subr_do_putchar(teken_t *t, const teken_pos_t *tp, teken_char_t c,
768 if (t->t_stateflags & TS_INSERT &&
769 tp->tp_col < t->t_winsize.tp_col - width) {
773 /* Insert mode. Move existing characters to the right. */
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);
782 teken_funcs_putchar(t, tp, c, &t->t_curattr);
786 teken_subr_regular_character(teken_t *t, teken_char_t c)
790 c = teken_scs_process(t, c);
792 /* XXX: Don't process zero-width characters yet. */
793 width = teken_wcwidth(c);
798 if (t->t_cursor.tp_col == t->t_winsize.tp_col - 1 &&
799 (t->t_stateflags & (TS_WRAPPED|TS_AUTOWRAP)) ==
800 (TS_WRAPPED|TS_AUTOWRAP)) {
803 /* Perform line wrapping. */
805 if (t->t_cursor.tp_row == t->t_scrollreg.ts_end - 1) {
806 /* Perform scrolling. */
807 teken_subr_do_scroll(t, 1);
808 tp.tp_row = t->t_scrollreg.ts_end - 1;
810 /* No scrolling needed. */
811 tp.tp_row = t->t_cursor.tp_row + 1;
812 if (tp.tp_row == t->t_winsize.tp_row) {
814 * Corner case: regular character
815 * outside scrolling region, but at the
816 * bottom of the screen.
818 teken_subr_do_putchar(t, &t->t_cursor,
825 teken_subr_do_putchar(t, &tp, c, width);
827 t->t_cursor.tp_row = tp.tp_row;
828 t->t_cursor.tp_col = width;
829 t->t_stateflags &= ~TS_WRAPPED;
831 /* No line wrapping needed. */
832 teken_subr_do_putchar(t, &t->t_cursor, c, width);
833 t->t_cursor.tp_col += width;
835 if (t->t_cursor.tp_col >= t->t_winsize.tp_col) {
836 t->t_stateflags |= TS_WRAPPED;
837 t->t_cursor.tp_col = t->t_winsize.tp_col - 1;
839 t->t_stateflags &= ~TS_WRAPPED;
842 #else /* !TEKEN_XTERM */
843 teken_subr_do_putchar(t, &t->t_cursor, c, width);
844 t->t_cursor.tp_col += width;
846 if (t->t_cursor.tp_col >= t->t_winsize.tp_col) {
847 if (t->t_cursor.tp_row == t->t_scrollreg.ts_end - 1) {
848 /* Perform scrolling. */
849 teken_subr_do_scroll(t, 1);
851 /* No scrolling needed. */
852 if (t->t_cursor.tp_row < t->t_winsize.tp_row - 1)
853 t->t_cursor.tp_row++;
855 t->t_cursor.tp_col = 0;
857 #endif /* TEKEN_XTERM */
859 teken_funcs_cursor(t);
863 teken_subr_reset_dec_mode(teken_t *t, unsigned int cmd)
867 case 1: /* Cursor keys mode. */
868 teken_funcs_param(t, TP_CURSORKEYS, 0);
870 case 2: /* DECANM: ANSI/VT52 mode. */
871 teken_printf("DECRST VT52\n");
873 case 3: /* 132 column mode. */
874 teken_funcs_param(t, TP_132COLS, 0);
875 teken_subr_reset_to_initial_state(t);
877 case 5: /* Inverse video. */
878 teken_printf("DECRST inverse video\n");
880 case 6: /* Origin mode. */
881 t->t_stateflags &= ~TS_ORIGIN;
882 t->t_originreg.ts_begin = 0;
883 t->t_originreg.ts_end = t->t_winsize.tp_row;
884 t->t_cursor.tp_row = t->t_cursor.tp_col = 0;
885 t->t_stateflags &= ~TS_WRAPPED;
886 teken_funcs_cursor(t);
888 case 7: /* Autowrap mode. */
889 t->t_stateflags &= ~TS_AUTOWRAP;
891 case 8: /* Autorepeat mode. */
892 teken_funcs_param(t, TP_AUTOREPEAT, 0);
894 case 25: /* Hide cursor. */
895 teken_funcs_param(t, TP_SHOWCURSOR, 0);
897 case 40: /* Disallow 132 columns. */
898 teken_printf("DECRST allow 132\n");
900 case 45: /* Disable reverse wraparound. */
901 teken_printf("DECRST reverse wraparound\n");
903 case 47: /* Switch to alternate buffer. */
904 teken_printf("Switch to alternate buffer\n");
907 teken_printf("Unknown DECRST: %u\n", cmd);
912 teken_subr_reset_mode(teken_t *t, unsigned int cmd)
917 t->t_stateflags &= ~TS_INSERT;
920 teken_printf("Unknown reset mode: %u\n", cmd);
925 teken_subr_do_reset(teken_t *t)
928 t->t_curattr = t->t_defattr;
929 t->t_cursor.tp_row = t->t_cursor.tp_col = 0;
930 t->t_stateflags = TS_AUTOWRAP;
932 teken_scs_set(t, 0, teken_scs_us_ascii);
933 teken_scs_set(t, 1, teken_scs_us_ascii);
934 teken_scs_switch(t, 0);
936 teken_subr_save_cursor(t);
937 teken_tab_default(t);
941 teken_subr_reset_to_initial_state(teken_t *t)
944 teken_subr_do_reset(t);
945 teken_subr_erase_display(t, 2);
946 teken_funcs_param(t, TP_SHOWCURSOR, 1);
947 teken_funcs_cursor(t);
951 teken_subr_restore_cursor(teken_t *t)
954 t->t_cursor = t->t_saved_cursor;
955 t->t_curattr = t->t_saved_curattr;
956 t->t_stateflags &= ~TS_WRAPPED;
957 teken_scs_restore(t);
958 teken_funcs_cursor(t);
962 teken_subr_reverse_index(teken_t *t)
965 if (t->t_cursor.tp_row > t->t_scrollreg.ts_begin) {
966 t->t_cursor.tp_row--;
967 t->t_stateflags &= ~TS_WRAPPED;
968 teken_funcs_cursor(t);
970 teken_subr_do_scroll(t, -1);
975 teken_subr_save_cursor(teken_t *t)
978 t->t_saved_cursor = t->t_cursor;
979 t->t_saved_curattr = t->t_curattr;
984 teken_subr_secondary_device_attributes(teken_t *t, unsigned int request)
988 const char response[] = "\x1B[>0;10;0c";
989 teken_funcs_respond(t, response, sizeof response - 1);
991 teken_printf("Unknown DA2\n");
996 teken_subr_set_dec_mode(teken_t *t, unsigned int cmd)
1000 case 1: /* Cursor keys mode. */
1001 teken_funcs_param(t, TP_CURSORKEYS, 1);
1003 case 2: /* DECANM: ANSI/VT52 mode. */
1004 teken_printf("DECSET VT52\n");
1006 case 3: /* 132 column mode. */
1007 teken_funcs_param(t, TP_132COLS, 1);
1008 teken_subr_reset_to_initial_state(t);
1010 case 5: /* Inverse video. */
1011 teken_printf("DECSET inverse video\n");
1013 case 6: /* Origin mode. */
1014 t->t_stateflags |= TS_ORIGIN;
1015 t->t_originreg = t->t_scrollreg;
1016 t->t_cursor.tp_row = t->t_scrollreg.ts_begin;
1017 t->t_cursor.tp_col = 0;
1018 t->t_stateflags &= ~TS_WRAPPED;
1019 teken_funcs_cursor(t);
1021 case 7: /* Autowrap mode. */
1022 t->t_stateflags |= TS_AUTOWRAP;
1024 case 8: /* Autorepeat mode. */
1025 teken_funcs_param(t, TP_AUTOREPEAT, 1);
1027 case 25: /* Display cursor. */
1028 teken_funcs_param(t, TP_SHOWCURSOR, 1);
1030 case 40: /* Allow 132 columns. */
1031 teken_printf("DECSET allow 132\n");
1033 case 45: /* Enable reverse wraparound. */
1034 teken_printf("DECSET reverse wraparound\n");
1036 case 47: /* Switch to alternate buffer. */
1037 teken_printf("Switch away from alternate buffer\n");
1040 teken_printf("Unknown DECSET: %u\n", cmd);
1045 teken_subr_set_mode(teken_t *t, unsigned int cmd)
1050 teken_printf("Insert mode\n");
1051 t->t_stateflags |= TS_INSERT;
1054 teken_printf("Unknown set mode: %u\n", cmd);
1059 teken_subr_set_graphic_rendition(teken_t *t, unsigned int ncmds,
1060 unsigned int cmds[])
1064 /* No attributes means reset. */
1066 t->t_curattr = t->t_defattr;
1070 for (i = 0; i < ncmds; i++) {
1074 case 0: /* Reset. */
1075 t->t_curattr = t->t_defattr;
1078 t->t_curattr.ta_format |= TF_BOLD;
1080 case 4: /* Underline. */
1081 t->t_curattr.ta_format |= TF_UNDERLINE;
1083 case 5: /* Blink. */
1084 t->t_curattr.ta_format |= TF_BLINK;
1086 case 7: /* Reverse. */
1087 t->t_curattr.ta_format |= TF_REVERSE;
1089 case 22: /* Remove bold. */
1090 t->t_curattr.ta_format &= ~TF_BOLD;
1092 case 24: /* Remove underline. */
1093 t->t_curattr.ta_format &= ~TF_UNDERLINE;
1095 case 25: /* Remove blink. */
1096 t->t_curattr.ta_format &= ~TF_BLINK;
1098 case 27: /* Remove reverse. */
1099 t->t_curattr.ta_format &= ~TF_REVERSE;
1101 case 30: /* Set foreground color: black */
1102 case 31: /* Set foreground color: red */
1103 case 32: /* Set foreground color: green */
1104 case 33: /* Set foreground color: brown */
1105 case 34: /* Set foreground color: blue */
1106 case 35: /* Set foreground color: magenta */
1107 case 36: /* Set foreground color: cyan */
1108 case 37: /* Set foreground color: white */
1109 t->t_curattr.ta_fgcolor = n - 30;
1111 case 39: /* Set default foreground color. */
1112 t->t_curattr.ta_fgcolor = t->t_defattr.ta_fgcolor;
1114 case 40: /* Set background color: black */
1115 case 41: /* Set background color: red */
1116 case 42: /* Set background color: green */
1117 case 43: /* Set background color: brown */
1118 case 44: /* Set background color: blue */
1119 case 45: /* Set background color: magenta */
1120 case 46: /* Set background color: cyan */
1121 case 47: /* Set background color: white */
1122 t->t_curattr.ta_bgcolor = n - 40;
1124 case 49: /* Set default background color. */
1125 t->t_curattr.ta_bgcolor = t->t_defattr.ta_bgcolor;
1128 teken_printf("unsupported attribute %u\n", n);
1134 teken_subr_set_top_and_bottom_margins(teken_t *t, unsigned int top,
1135 unsigned int bottom)
1138 /* Adjust top row number. */
1141 /* Adjust bottom row number. */
1142 if (bottom == 0 || bottom > t->t_winsize.tp_row)
1143 bottom = t->t_winsize.tp_row;
1145 /* Invalid arguments. */
1146 if (top >= bottom - 1) {
1148 bottom = t->t_winsize.tp_row;
1151 t->t_scrollreg.ts_begin = top;
1152 t->t_scrollreg.ts_end = bottom;
1153 if (t->t_stateflags & TS_ORIGIN) {
1154 /* XXX: home cursor? */
1155 t->t_originreg = t->t_scrollreg;
1156 t->t_cursor.tp_row = t->t_originreg.ts_begin;
1157 t->t_cursor.tp_col = 0;
1158 t->t_stateflags &= ~TS_WRAPPED;
1159 teken_funcs_cursor(t);
1164 teken_subr_single_height_double_width_line(teken_t *t __unused)
1167 teken_printf("single height double width???\n");
1171 teken_subr_single_height_single_width_line(teken_t *t __unused)
1174 teken_printf("single height single width???\n");
1178 teken_subr_string_terminator(teken_t *t __unused)
1181 teken_printf("string terminator???\n");
1185 teken_subr_tab_clear(teken_t *t, unsigned int cmd)
1190 teken_tab_clear(t, t->t_cursor.tp_col);
1193 memset(&t->t_tabstops, 0, T_NUMCOL / 8);
1199 teken_subr_vertical_position_absolute(teken_t *t, unsigned int row)
1202 t->t_cursor.tp_row = t->t_originreg.ts_begin + row - 1;
1203 if (row >= t->t_originreg.ts_end)
1204 t->t_cursor.tp_row = t->t_originreg.ts_end - 1;
1207 t->t_stateflags &= ~TS_WRAPPED;
1208 teken_funcs_cursor(t);