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#ifdef TEKEN_XTERM
206 if (t->t_cursor.tp_col == 0)
207 return;
208
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)
214 return;
215 t->t_cursor.tp_row--;
216 t->t_cursor.tp_col = t->t_winsize.tp_col - 1;
217 } else {
218 t->t_cursor.tp_col--;
219 }
220#endif /* TEKEN_XTERM */
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#ifdef TEKEN_XTERM
592 teken_rect_t tr;
593
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;
598
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 */
603
604 teken_subr_cursor_forward_tabulation(t, 1);
605#endif /* TEKEN_XTERM */
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#ifdef TEKEN_XTERM
714
715 teken_subr_newline(t);
716#else /* !TEKEN_XTERM */
717 teken_rect_t tr;
718
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);
722
723 t->t_cursor.tp_row = t->t_cursor.tp_col = 0;
724 teken_funcs_cursor(t);
725#endif /* TEKEN_XTERM */
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 teken_funcs_putchar(t, tp, c, &t->t_curattr);
783}
784
785static void
786teken_subr_regular_character(teken_t *t, teken_char_t c)
787{
788 int width;
| 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#ifdef TEKEN_XTERM
206 if (t->t_cursor.tp_col == 0)
207 return;
208
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)
214 return;
215 t->t_cursor.tp_row--;
216 t->t_cursor.tp_col = t->t_winsize.tp_col - 1;
217 } else {
218 t->t_cursor.tp_col--;
219 }
220#endif /* TEKEN_XTERM */
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#ifdef TEKEN_XTERM
592 teken_rect_t tr;
593
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;
598
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 */
603
604 teken_subr_cursor_forward_tabulation(t, 1);
605#endif /* TEKEN_XTERM */
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#ifdef TEKEN_XTERM
714
715 teken_subr_newline(t);
716#else /* !TEKEN_XTERM */
717 teken_rect_t tr;
718
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);
722
723 t->t_cursor.tp_row = t->t_cursor.tp_col = 0;
724 teken_funcs_cursor(t);
725#endif /* TEKEN_XTERM */
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 teken_funcs_putchar(t, tp, c, &t->t_curattr);
783}
784
785static void
786teken_subr_regular_character(teken_t *t, teken_char_t c)
787{
788 int width;
|
796
797#ifdef TEKEN_XTERM
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)) {
801 teken_pos_t tp;
802
803 /* Perform line wrapping. */
804
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;
809 } else {
810 /* No scrolling needed. */
811 tp.tp_row = t->t_cursor.tp_row + 1;
812 if (tp.tp_row == t->t_winsize.tp_row) {
813 /*
814 * Corner case: regular character
815 * outside scrolling region, but at the
816 * bottom of the screen.
817 */
818 teken_subr_do_putchar(t, &t->t_cursor,
819 c, width);
820 return;
821 }
822 }
823
824 tp.tp_col = 0;
825 teken_subr_do_putchar(t, &tp, c, width);
826
827 t->t_cursor.tp_row = tp.tp_row;
828 t->t_cursor.tp_col = width;
829 t->t_stateflags &= ~TS_WRAPPED;
830 } else {
831 /* No line wrapping needed. */
832 teken_subr_do_putchar(t, &t->t_cursor, c, width);
833 t->t_cursor.tp_col += width;
834
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;
838 } else {
839 t->t_stateflags &= ~TS_WRAPPED;
840 }
841 }
842#else /* !TEKEN_XTERM */
843 teken_subr_do_putchar(t, &t->t_cursor, c, width);
844 t->t_cursor.tp_col += width;
845
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);
850 } else {
851 /* No scrolling needed. */
852 if (t->t_cursor.tp_row < t->t_winsize.tp_row - 1)
853 t->t_cursor.tp_row++;
854 }
855 t->t_cursor.tp_col = 0;
856 }
857#endif /* TEKEN_XTERM */
858
859 teken_funcs_cursor(t);
860}
861
862static void
863teken_subr_reset_dec_mode(teken_t *t, unsigned int cmd)
864{
865
866 switch (cmd) {
867 case 1: /* Cursor keys mode. */
868 teken_funcs_param(t, TP_CURSORKEYS, 0);
869 break;
870 case 2: /* DECANM: ANSI/VT52 mode. */
871 teken_printf("DECRST VT52\n");
872 break;
873 case 3: /* 132 column mode. */
874 teken_funcs_param(t, TP_132COLS, 0);
875 teken_subr_reset_to_initial_state(t);
876 break;
877 case 5: /* Inverse video. */
878 teken_printf("DECRST inverse video\n");
879 break;
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);
887 break;
888 case 7: /* Autowrap mode. */
889 t->t_stateflags &= ~TS_AUTOWRAP;
890 break;
891 case 8: /* Autorepeat mode. */
892 teken_funcs_param(t, TP_AUTOREPEAT, 0);
893 break;
894 case 25: /* Hide cursor. */
895 teken_funcs_param(t, TP_SHOWCURSOR, 0);
896 break;
897 case 40: /* Disallow 132 columns. */
898 teken_printf("DECRST allow 132\n");
899 break;
900 case 45: /* Disable reverse wraparound. */
901 teken_printf("DECRST reverse wraparound\n");
902 break;
903 case 47: /* Switch to alternate buffer. */
904 teken_printf("Switch to alternate buffer\n");
905 break;
906 default:
907 teken_printf("Unknown DECRST: %u\n", cmd);
908 }
909}
910
911static void
912teken_subr_reset_mode(teken_t *t, unsigned int cmd)
913{
914
915 switch (cmd) {
916 case 4:
917 t->t_stateflags &= ~TS_INSERT;
918 break;
919 default:
920 teken_printf("Unknown reset mode: %u\n", cmd);
921 }
922}
923
924static void
925teken_subr_do_reset(teken_t *t)
926{
927
928 t->t_curattr = t->t_defattr;
929 t->t_cursor.tp_row = t->t_cursor.tp_col = 0;
930 t->t_scrollreg.ts_begin = 0;
931 t->t_scrollreg.ts_end = t->t_winsize.tp_row;
932 t->t_originreg = t->t_scrollreg;
933 t->t_stateflags = TS_AUTOWRAP;
934
935 teken_scs_set(t, 0, teken_scs_us_ascii);
936 teken_scs_set(t, 1, teken_scs_us_ascii);
937 teken_scs_switch(t, 0);
938
939 teken_subr_save_cursor(t);
940 teken_tab_default(t);
941}
942
943static void
944teken_subr_reset_to_initial_state(teken_t *t)
945{
946
947 teken_subr_do_reset(t);
948 teken_subr_erase_display(t, 2);
949 teken_funcs_param(t, TP_SHOWCURSOR, 1);
950 teken_funcs_cursor(t);
951}
952
953static void
954teken_subr_restore_cursor(teken_t *t)
955{
956
957 t->t_cursor = t->t_saved_cursor;
958 t->t_curattr = t->t_saved_curattr;
959 t->t_stateflags &= ~TS_WRAPPED;
960 teken_scs_restore(t);
961 teken_funcs_cursor(t);
962}
963
964static void
965teken_subr_reverse_index(teken_t *t)
966{
967
968 if (t->t_cursor.tp_row > t->t_scrollreg.ts_begin) {
969 t->t_cursor.tp_row--;
970 t->t_stateflags &= ~TS_WRAPPED;
971 teken_funcs_cursor(t);
972 } else {
973 teken_subr_do_scroll(t, -1);
974 }
975}
976
977static void
978teken_subr_save_cursor(teken_t *t)
979{
980
981 t->t_saved_cursor = t->t_cursor;
982 t->t_saved_curattr = t->t_curattr;
983 teken_scs_save(t);
984}
985
986static void
987teken_subr_secondary_device_attributes(teken_t *t, unsigned int request)
988{
989
990 if (request == 0) {
991 const char response[] = "\x1B[>0;10;0c";
992 teken_funcs_respond(t, response, sizeof response - 1);
993 } else {
994 teken_printf("Unknown DA2\n");
995 }
996}
997
998static void
999teken_subr_set_dec_mode(teken_t *t, unsigned int cmd)
1000{
1001
1002 switch (cmd) {
1003 case 1: /* Cursor keys mode. */
1004 teken_funcs_param(t, TP_CURSORKEYS, 1);
1005 break;
1006 case 2: /* DECANM: ANSI/VT52 mode. */
1007 teken_printf("DECSET VT52\n");
1008 break;
1009 case 3: /* 132 column mode. */
1010 teken_funcs_param(t, TP_132COLS, 1);
1011 teken_subr_reset_to_initial_state(t);
1012 break;
1013 case 5: /* Inverse video. */
1014 teken_printf("DECSET inverse video\n");
1015 break;
1016 case 6: /* Origin mode. */
1017 t->t_stateflags |= TS_ORIGIN;
1018 t->t_originreg = t->t_scrollreg;
1019 t->t_cursor.tp_row = t->t_scrollreg.ts_begin;
1020 t->t_cursor.tp_col = 0;
1021 t->t_stateflags &= ~TS_WRAPPED;
1022 teken_funcs_cursor(t);
1023 break;
1024 case 7: /* Autowrap mode. */
1025 t->t_stateflags |= TS_AUTOWRAP;
1026 break;
1027 case 8: /* Autorepeat mode. */
1028 teken_funcs_param(t, TP_AUTOREPEAT, 1);
1029 break;
1030 case 25: /* Display cursor. */
1031 teken_funcs_param(t, TP_SHOWCURSOR, 1);
1032 break;
1033 case 40: /* Allow 132 columns. */
1034 teken_printf("DECSET allow 132\n");
1035 break;
1036 case 45: /* Enable reverse wraparound. */
1037 teken_printf("DECSET reverse wraparound\n");
1038 break;
1039 case 47: /* Switch to alternate buffer. */
1040 teken_printf("Switch away from alternate buffer\n");
1041 break;
1042 default:
1043 teken_printf("Unknown DECSET: %u\n", cmd);
1044 }
1045}
1046
1047static void
1048teken_subr_set_mode(teken_t *t, unsigned int cmd)
1049{
1050
1051 switch (cmd) {
1052 case 4:
1053 teken_printf("Insert mode\n");
1054 t->t_stateflags |= TS_INSERT;
1055 break;
1056 default:
1057 teken_printf("Unknown set mode: %u\n", cmd);
1058 }
1059}
1060
1061static void
1062teken_subr_set_graphic_rendition(teken_t *t, unsigned int ncmds,
1063 unsigned int cmds[])
1064{
1065 unsigned int i, n;
1066
1067 /* No attributes means reset. */
1068 if (ncmds == 0) {
1069 t->t_curattr = t->t_defattr;
1070 return;
1071 }
1072
1073 for (i = 0; i < ncmds; i++) {
1074 n = cmds[i];
1075
1076 switch (n) {
1077 case 0: /* Reset. */
1078 t->t_curattr = t->t_defattr;
1079 break;
1080 case 1: /* Bold. */
1081 t->t_curattr.ta_format |= TF_BOLD;
1082 break;
1083 case 4: /* Underline. */
1084 t->t_curattr.ta_format |= TF_UNDERLINE;
1085 break;
1086 case 5: /* Blink. */
1087 t->t_curattr.ta_format |= TF_BLINK;
1088 break;
1089 case 7: /* Reverse. */
1090 t->t_curattr.ta_format |= TF_REVERSE;
1091 break;
1092 case 22: /* Remove bold. */
1093 t->t_curattr.ta_format &= ~TF_BOLD;
1094 break;
1095 case 24: /* Remove underline. */
1096 t->t_curattr.ta_format &= ~TF_UNDERLINE;
1097 break;
1098 case 25: /* Remove blink. */
1099 t->t_curattr.ta_format &= ~TF_BLINK;
1100 break;
1101 case 27: /* Remove reverse. */
1102 t->t_curattr.ta_format &= ~TF_REVERSE;
1103 break;
1104 case 30: /* Set foreground color: black */
1105 case 31: /* Set foreground color: red */
1106 case 32: /* Set foreground color: green */
1107 case 33: /* Set foreground color: brown */
1108 case 34: /* Set foreground color: blue */
1109 case 35: /* Set foreground color: magenta */
1110 case 36: /* Set foreground color: cyan */
1111 case 37: /* Set foreground color: white */
1112 t->t_curattr.ta_fgcolor = n - 30;
1113 break;
1114 case 39: /* Set default foreground color. */
1115 t->t_curattr.ta_fgcolor = t->t_defattr.ta_fgcolor;
1116 break;
1117 case 40: /* Set background color: black */
1118 case 41: /* Set background color: red */
1119 case 42: /* Set background color: green */
1120 case 43: /* Set background color: brown */
1121 case 44: /* Set background color: blue */
1122 case 45: /* Set background color: magenta */
1123 case 46: /* Set background color: cyan */
1124 case 47: /* Set background color: white */
1125 t->t_curattr.ta_bgcolor = n - 40;
1126 break;
1127 case 49: /* Set default background color. */
1128 t->t_curattr.ta_bgcolor = t->t_defattr.ta_bgcolor;
1129 break;
1130 default:
1131 teken_printf("unsupported attribute %u\n", n);
1132 }
1133 }
1134}
1135
1136static void
1137teken_subr_set_top_and_bottom_margins(teken_t *t, unsigned int top,
1138 unsigned int bottom)
1139{
1140
1141 /* Adjust top row number. */
1142 if (top > 0)
1143 top--;
1144 /* Adjust bottom row number. */
1145 if (bottom == 0 || bottom > t->t_winsize.tp_row)
1146 bottom = t->t_winsize.tp_row;
1147
1148 /* Invalid arguments. */
1149 if (top >= bottom - 1) {
1150 top = 0;
1151 bottom = t->t_winsize.tp_row;
1152 }
1153
1154 t->t_scrollreg.ts_begin = top;
1155 t->t_scrollreg.ts_end = bottom;
1156 if (t->t_stateflags & TS_ORIGIN) {
1157 /* XXX: home cursor? */
1158 t->t_originreg = t->t_scrollreg;
1159 t->t_cursor.tp_row = t->t_originreg.ts_begin;
1160 t->t_cursor.tp_col = 0;
1161 t->t_stateflags &= ~TS_WRAPPED;
1162 teken_funcs_cursor(t);
1163 }
1164}
1165
1166static void
1167teken_subr_single_height_double_width_line(teken_t *t __unused)
1168{
1169
1170 teken_printf("single height double width???\n");
1171}
1172
1173static void
1174teken_subr_single_height_single_width_line(teken_t *t __unused)
1175{
1176
1177 teken_printf("single height single width???\n");
1178}
1179
1180static void
1181teken_subr_string_terminator(teken_t *t __unused)
1182{
1183
1184 teken_printf("string terminator???\n");
1185}
1186
1187static void
1188teken_subr_tab_clear(teken_t *t, unsigned int cmd)
1189{
1190
1191 switch (cmd) {
1192 case 0:
1193 teken_tab_clear(t, t->t_cursor.tp_col);
1194 break;
1195 case 3:
1196 memset(&t->t_tabstops, 0, T_NUMCOL / 8);
1197 break;
1198 }
1199}
1200
1201static void
1202teken_subr_vertical_position_absolute(teken_t *t, unsigned int row)
1203{
1204
1205 t->t_cursor.tp_row = t->t_originreg.ts_begin + row - 1;
1206 if (row >= t->t_originreg.ts_end)
1207 t->t_cursor.tp_row = t->t_originreg.ts_end - 1;
1208
1209
1210 t->t_stateflags &= ~TS_WRAPPED;
1211 teken_funcs_cursor(t);
1212}
| 803
804#ifdef TEKEN_XTERM
805 if (t->t_cursor.tp_col == t->t_winsize.tp_col - 1 &&
806 (t->t_stateflags & (TS_WRAPPED|TS_AUTOWRAP)) ==
807 (TS_WRAPPED|TS_AUTOWRAP)) {
808 teken_pos_t tp;
809
810 /* Perform line wrapping. */
811
812 if (t->t_cursor.tp_row == t->t_scrollreg.ts_end - 1) {
813 /* Perform scrolling. */
814 teken_subr_do_scroll(t, 1);
815 tp.tp_row = t->t_scrollreg.ts_end - 1;
816 } else {
817 /* No scrolling needed. */
818 tp.tp_row = t->t_cursor.tp_row + 1;
819 if (tp.tp_row == t->t_winsize.tp_row) {
820 /*
821 * Corner case: regular character
822 * outside scrolling region, but at the
823 * bottom of the screen.
824 */
825 teken_subr_do_putchar(t, &t->t_cursor,
826 c, width);
827 return;
828 }
829 }
830
831 tp.tp_col = 0;
832 teken_subr_do_putchar(t, &tp, c, width);
833
834 t->t_cursor.tp_row = tp.tp_row;
835 t->t_cursor.tp_col = width;
836 t->t_stateflags &= ~TS_WRAPPED;
837 } else {
838 /* No line wrapping needed. */
839 teken_subr_do_putchar(t, &t->t_cursor, c, width);
840 t->t_cursor.tp_col += width;
841
842 if (t->t_cursor.tp_col >= t->t_winsize.tp_col) {
843 t->t_stateflags |= TS_WRAPPED;
844 t->t_cursor.tp_col = t->t_winsize.tp_col - 1;
845 } else {
846 t->t_stateflags &= ~TS_WRAPPED;
847 }
848 }
849#else /* !TEKEN_XTERM */
850 teken_subr_do_putchar(t, &t->t_cursor, c, width);
851 t->t_cursor.tp_col += width;
852
853 if (t->t_cursor.tp_col >= t->t_winsize.tp_col) {
854 if (t->t_cursor.tp_row == t->t_scrollreg.ts_end - 1) {
855 /* Perform scrolling. */
856 teken_subr_do_scroll(t, 1);
857 } else {
858 /* No scrolling needed. */
859 if (t->t_cursor.tp_row < t->t_winsize.tp_row - 1)
860 t->t_cursor.tp_row++;
861 }
862 t->t_cursor.tp_col = 0;
863 }
864#endif /* TEKEN_XTERM */
865
866 teken_funcs_cursor(t);
867}
868
869static void
870teken_subr_reset_dec_mode(teken_t *t, unsigned int cmd)
871{
872
873 switch (cmd) {
874 case 1: /* Cursor keys mode. */
875 teken_funcs_param(t, TP_CURSORKEYS, 0);
876 break;
877 case 2: /* DECANM: ANSI/VT52 mode. */
878 teken_printf("DECRST VT52\n");
879 break;
880 case 3: /* 132 column mode. */
881 teken_funcs_param(t, TP_132COLS, 0);
882 teken_subr_reset_to_initial_state(t);
883 break;
884 case 5: /* Inverse video. */
885 teken_printf("DECRST inverse video\n");
886 break;
887 case 6: /* Origin mode. */
888 t->t_stateflags &= ~TS_ORIGIN;
889 t->t_originreg.ts_begin = 0;
890 t->t_originreg.ts_end = t->t_winsize.tp_row;
891 t->t_cursor.tp_row = t->t_cursor.tp_col = 0;
892 t->t_stateflags &= ~TS_WRAPPED;
893 teken_funcs_cursor(t);
894 break;
895 case 7: /* Autowrap mode. */
896 t->t_stateflags &= ~TS_AUTOWRAP;
897 break;
898 case 8: /* Autorepeat mode. */
899 teken_funcs_param(t, TP_AUTOREPEAT, 0);
900 break;
901 case 25: /* Hide cursor. */
902 teken_funcs_param(t, TP_SHOWCURSOR, 0);
903 break;
904 case 40: /* Disallow 132 columns. */
905 teken_printf("DECRST allow 132\n");
906 break;
907 case 45: /* Disable reverse wraparound. */
908 teken_printf("DECRST reverse wraparound\n");
909 break;
910 case 47: /* Switch to alternate buffer. */
911 teken_printf("Switch to alternate buffer\n");
912 break;
913 default:
914 teken_printf("Unknown DECRST: %u\n", cmd);
915 }
916}
917
918static void
919teken_subr_reset_mode(teken_t *t, unsigned int cmd)
920{
921
922 switch (cmd) {
923 case 4:
924 t->t_stateflags &= ~TS_INSERT;
925 break;
926 default:
927 teken_printf("Unknown reset mode: %u\n", cmd);
928 }
929}
930
931static void
932teken_subr_do_reset(teken_t *t)
933{
934
935 t->t_curattr = t->t_defattr;
936 t->t_cursor.tp_row = t->t_cursor.tp_col = 0;
937 t->t_scrollreg.ts_begin = 0;
938 t->t_scrollreg.ts_end = t->t_winsize.tp_row;
939 t->t_originreg = t->t_scrollreg;
940 t->t_stateflags = TS_AUTOWRAP;
941
942 teken_scs_set(t, 0, teken_scs_us_ascii);
943 teken_scs_set(t, 1, teken_scs_us_ascii);
944 teken_scs_switch(t, 0);
945
946 teken_subr_save_cursor(t);
947 teken_tab_default(t);
948}
949
950static void
951teken_subr_reset_to_initial_state(teken_t *t)
952{
953
954 teken_subr_do_reset(t);
955 teken_subr_erase_display(t, 2);
956 teken_funcs_param(t, TP_SHOWCURSOR, 1);
957 teken_funcs_cursor(t);
958}
959
960static void
961teken_subr_restore_cursor(teken_t *t)
962{
963
964 t->t_cursor = t->t_saved_cursor;
965 t->t_curattr = t->t_saved_curattr;
966 t->t_stateflags &= ~TS_WRAPPED;
967 teken_scs_restore(t);
968 teken_funcs_cursor(t);
969}
970
971static void
972teken_subr_reverse_index(teken_t *t)
973{
974
975 if (t->t_cursor.tp_row > t->t_scrollreg.ts_begin) {
976 t->t_cursor.tp_row--;
977 t->t_stateflags &= ~TS_WRAPPED;
978 teken_funcs_cursor(t);
979 } else {
980 teken_subr_do_scroll(t, -1);
981 }
982}
983
984static void
985teken_subr_save_cursor(teken_t *t)
986{
987
988 t->t_saved_cursor = t->t_cursor;
989 t->t_saved_curattr = t->t_curattr;
990 teken_scs_save(t);
991}
992
993static void
994teken_subr_secondary_device_attributes(teken_t *t, unsigned int request)
995{
996
997 if (request == 0) {
998 const char response[] = "\x1B[>0;10;0c";
999 teken_funcs_respond(t, response, sizeof response - 1);
1000 } else {
1001 teken_printf("Unknown DA2\n");
1002 }
1003}
1004
1005static void
1006teken_subr_set_dec_mode(teken_t *t, unsigned int cmd)
1007{
1008
1009 switch (cmd) {
1010 case 1: /* Cursor keys mode. */
1011 teken_funcs_param(t, TP_CURSORKEYS, 1);
1012 break;
1013 case 2: /* DECANM: ANSI/VT52 mode. */
1014 teken_printf("DECSET VT52\n");
1015 break;
1016 case 3: /* 132 column mode. */
1017 teken_funcs_param(t, TP_132COLS, 1);
1018 teken_subr_reset_to_initial_state(t);
1019 break;
1020 case 5: /* Inverse video. */
1021 teken_printf("DECSET inverse video\n");
1022 break;
1023 case 6: /* Origin mode. */
1024 t->t_stateflags |= TS_ORIGIN;
1025 t->t_originreg = t->t_scrollreg;
1026 t->t_cursor.tp_row = t->t_scrollreg.ts_begin;
1027 t->t_cursor.tp_col = 0;
1028 t->t_stateflags &= ~TS_WRAPPED;
1029 teken_funcs_cursor(t);
1030 break;
1031 case 7: /* Autowrap mode. */
1032 t->t_stateflags |= TS_AUTOWRAP;
1033 break;
1034 case 8: /* Autorepeat mode. */
1035 teken_funcs_param(t, TP_AUTOREPEAT, 1);
1036 break;
1037 case 25: /* Display cursor. */
1038 teken_funcs_param(t, TP_SHOWCURSOR, 1);
1039 break;
1040 case 40: /* Allow 132 columns. */
1041 teken_printf("DECSET allow 132\n");
1042 break;
1043 case 45: /* Enable reverse wraparound. */
1044 teken_printf("DECSET reverse wraparound\n");
1045 break;
1046 case 47: /* Switch to alternate buffer. */
1047 teken_printf("Switch away from alternate buffer\n");
1048 break;
1049 default:
1050 teken_printf("Unknown DECSET: %u\n", cmd);
1051 }
1052}
1053
1054static void
1055teken_subr_set_mode(teken_t *t, unsigned int cmd)
1056{
1057
1058 switch (cmd) {
1059 case 4:
1060 teken_printf("Insert mode\n");
1061 t->t_stateflags |= TS_INSERT;
1062 break;
1063 default:
1064 teken_printf("Unknown set mode: %u\n", cmd);
1065 }
1066}
1067
1068static void
1069teken_subr_set_graphic_rendition(teken_t *t, unsigned int ncmds,
1070 unsigned int cmds[])
1071{
1072 unsigned int i, n;
1073
1074 /* No attributes means reset. */
1075 if (ncmds == 0) {
1076 t->t_curattr = t->t_defattr;
1077 return;
1078 }
1079
1080 for (i = 0; i < ncmds; i++) {
1081 n = cmds[i];
1082
1083 switch (n) {
1084 case 0: /* Reset. */
1085 t->t_curattr = t->t_defattr;
1086 break;
1087 case 1: /* Bold. */
1088 t->t_curattr.ta_format |= TF_BOLD;
1089 break;
1090 case 4: /* Underline. */
1091 t->t_curattr.ta_format |= TF_UNDERLINE;
1092 break;
1093 case 5: /* Blink. */
1094 t->t_curattr.ta_format |= TF_BLINK;
1095 break;
1096 case 7: /* Reverse. */
1097 t->t_curattr.ta_format |= TF_REVERSE;
1098 break;
1099 case 22: /* Remove bold. */
1100 t->t_curattr.ta_format &= ~TF_BOLD;
1101 break;
1102 case 24: /* Remove underline. */
1103 t->t_curattr.ta_format &= ~TF_UNDERLINE;
1104 break;
1105 case 25: /* Remove blink. */
1106 t->t_curattr.ta_format &= ~TF_BLINK;
1107 break;
1108 case 27: /* Remove reverse. */
1109 t->t_curattr.ta_format &= ~TF_REVERSE;
1110 break;
1111 case 30: /* Set foreground color: black */
1112 case 31: /* Set foreground color: red */
1113 case 32: /* Set foreground color: green */
1114 case 33: /* Set foreground color: brown */
1115 case 34: /* Set foreground color: blue */
1116 case 35: /* Set foreground color: magenta */
1117 case 36: /* Set foreground color: cyan */
1118 case 37: /* Set foreground color: white */
1119 t->t_curattr.ta_fgcolor = n - 30;
1120 break;
1121 case 39: /* Set default foreground color. */
1122 t->t_curattr.ta_fgcolor = t->t_defattr.ta_fgcolor;
1123 break;
1124 case 40: /* Set background color: black */
1125 case 41: /* Set background color: red */
1126 case 42: /* Set background color: green */
1127 case 43: /* Set background color: brown */
1128 case 44: /* Set background color: blue */
1129 case 45: /* Set background color: magenta */
1130 case 46: /* Set background color: cyan */
1131 case 47: /* Set background color: white */
1132 t->t_curattr.ta_bgcolor = n - 40;
1133 break;
1134 case 49: /* Set default background color. */
1135 t->t_curattr.ta_bgcolor = t->t_defattr.ta_bgcolor;
1136 break;
1137 default:
1138 teken_printf("unsupported attribute %u\n", n);
1139 }
1140 }
1141}
1142
1143static void
1144teken_subr_set_top_and_bottom_margins(teken_t *t, unsigned int top,
1145 unsigned int bottom)
1146{
1147
1148 /* Adjust top row number. */
1149 if (top > 0)
1150 top--;
1151 /* Adjust bottom row number. */
1152 if (bottom == 0 || bottom > t->t_winsize.tp_row)
1153 bottom = t->t_winsize.tp_row;
1154
1155 /* Invalid arguments. */
1156 if (top >= bottom - 1) {
1157 top = 0;
1158 bottom = t->t_winsize.tp_row;
1159 }
1160
1161 t->t_scrollreg.ts_begin = top;
1162 t->t_scrollreg.ts_end = bottom;
1163 if (t->t_stateflags & TS_ORIGIN) {
1164 /* XXX: home cursor? */
1165 t->t_originreg = t->t_scrollreg;
1166 t->t_cursor.tp_row = t->t_originreg.ts_begin;
1167 t->t_cursor.tp_col = 0;
1168 t->t_stateflags &= ~TS_WRAPPED;
1169 teken_funcs_cursor(t);
1170 }
1171}
1172
1173static void
1174teken_subr_single_height_double_width_line(teken_t *t __unused)
1175{
1176
1177 teken_printf("single height double width???\n");
1178}
1179
1180static void
1181teken_subr_single_height_single_width_line(teken_t *t __unused)
1182{
1183
1184 teken_printf("single height single width???\n");
1185}
1186
1187static void
1188teken_subr_string_terminator(teken_t *t __unused)
1189{
1190
1191 teken_printf("string terminator???\n");
1192}
1193
1194static void
1195teken_subr_tab_clear(teken_t *t, unsigned int cmd)
1196{
1197
1198 switch (cmd) {
1199 case 0:
1200 teken_tab_clear(t, t->t_cursor.tp_col);
1201 break;
1202 case 3:
1203 memset(&t->t_tabstops, 0, T_NUMCOL / 8);
1204 break;
1205 }
1206}
1207
1208static void
1209teken_subr_vertical_position_absolute(teken_t *t, unsigned int row)
1210{
1211
1212 t->t_cursor.tp_row = t->t_originreg.ts_begin + row - 1;
1213 if (row >= t->t_originreg.ts_end)
1214 t->t_cursor.tp_row = t->t_originreg.ts_end - 1;
1215
1216
1217 t->t_stateflags &= ~TS_WRAPPED;
1218 teken_funcs_cursor(t);
1219}
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