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1.14 ! nicm 1: /* $OpenBSD: input.c,v 1.13 2009/08/18 21:41:13 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20:
21: #include <stdint.h>
22: #include <stdlib.h>
23: #include <string.h>
24:
25: #include "tmux.h"
26:
27: #define INPUT_C0CONTROL(ch) (ch <= 0x1f)
28: #define INPUT_INTERMEDIATE(ch) (ch == 0xa0 || (ch >= 0x20 && ch <= 0x2f))
29: #define INPUT_PARAMETER(ch) (ch >= 0x30 && ch <= 0x3f)
30: #define INPUT_UPPERCASE(ch) (ch >= 0x40 && ch <= 0x5f)
31: #define INPUT_LOWERCASE(ch) (ch >= 0x60 && ch <= 0x7e)
32: #define INPUT_DELETE(ch) (ch == 0x7f)
33: #define INPUT_C1CONTROL(ch) (ch >= 0x80 && ch <= 0x9f)
34: #define INPUT_G1DISPLAYABLE(ch) (ch >= 0xa1 && ch <= 0xfe)
35: #define INPUT_SPECIAL(ch) (ch == 0xff)
36:
37: int input_get_argument(struct input_ctx *, u_int, uint16_t *, uint16_t);
1.10 nicm 38: void input_new_argument(struct input_ctx *);
1.1 nicm 39: int input_add_argument(struct input_ctx *, u_char);
40:
41: void input_start_string(struct input_ctx *, int);
42: void input_abort_string(struct input_ctx *);
43: int input_add_string(struct input_ctx *, u_char);
44: char *input_get_string(struct input_ctx *);
45:
46: void input_state(struct input_ctx *, void *);
47:
48: void input_state_first(u_char, struct input_ctx *);
49: void input_state_escape(u_char, struct input_ctx *);
50: void input_state_intermediate(u_char, struct input_ctx *);
51: void input_state_sequence_first(u_char, struct input_ctx *);
52: void input_state_sequence_next(u_char, struct input_ctx *);
53: void input_state_sequence_intermediate(u_char, struct input_ctx *);
54: void input_state_string_next(u_char, struct input_ctx *);
55: void input_state_string_escape(u_char, struct input_ctx *);
56: void input_state_utf8(u_char, struct input_ctx *);
57:
58: void input_handle_character(u_char, struct input_ctx *);
59: void input_handle_c0_control(u_char, struct input_ctx *);
60: void input_handle_c1_control(u_char, struct input_ctx *);
61: void input_handle_private_two(u_char, struct input_ctx *);
62: void input_handle_standard_two(u_char, struct input_ctx *);
63: void input_handle_sequence(u_char, struct input_ctx *);
64:
65: void input_handle_sequence_cuu(struct input_ctx *);
66: void input_handle_sequence_cud(struct input_ctx *);
67: void input_handle_sequence_cuf(struct input_ctx *);
68: void input_handle_sequence_cub(struct input_ctx *);
69: void input_handle_sequence_dch(struct input_ctx *);
1.8 nicm 70: void input_handle_sequence_cbt(struct input_ctx *);
1.14 ! nicm 71: void input_handle_sequence_da(struct input_ctx *);
1.1 nicm 72: void input_handle_sequence_dl(struct input_ctx *);
73: void input_handle_sequence_ich(struct input_ctx *);
74: void input_handle_sequence_il(struct input_ctx *);
75: void input_handle_sequence_vpa(struct input_ctx *);
76: void input_handle_sequence_hpa(struct input_ctx *);
77: void input_handle_sequence_cup(struct input_ctx *);
78: void input_handle_sequence_cup(struct input_ctx *);
1.7 nicm 79: void input_handle_sequence_tbc(struct input_ctx *);
1.1 nicm 80: void input_handle_sequence_ed(struct input_ctx *);
81: void input_handle_sequence_el(struct input_ctx *);
82: void input_handle_sequence_sm(struct input_ctx *);
83: void input_handle_sequence_rm(struct input_ctx *);
84: void input_handle_sequence_decstbm(struct input_ctx *);
85: void input_handle_sequence_sgr(struct input_ctx *);
86: void input_handle_sequence_dsr(struct input_ctx *);
87:
88: int input_sequence_cmp(const void *, const void *);
89:
90: struct input_sequence_entry {
91: u_char ch;
92: void (*fn)(struct input_ctx *);
93: };
94: const struct input_sequence_entry input_sequence_table[] = {
95: { '@', input_handle_sequence_ich },
96: { 'A', input_handle_sequence_cuu },
97: { 'B', input_handle_sequence_cud },
98: { 'C', input_handle_sequence_cuf },
99: { 'D', input_handle_sequence_cub },
100: { 'G', input_handle_sequence_hpa },
101: { 'H', input_handle_sequence_cup },
102: { 'J', input_handle_sequence_ed },
103: { 'K', input_handle_sequence_el },
104: { 'L', input_handle_sequence_il },
105: { 'M', input_handle_sequence_dl },
106: { 'P', input_handle_sequence_dch },
1.8 nicm 107: { 'Z', input_handle_sequence_cbt },
1.14 ! nicm 108: { 'c', input_handle_sequence_da },
1.1 nicm 109: { 'd', input_handle_sequence_vpa },
110: { 'f', input_handle_sequence_cup },
1.7 nicm 111: { 'g', input_handle_sequence_tbc },
1.1 nicm 112: { 'h', input_handle_sequence_sm },
113: { 'l', input_handle_sequence_rm },
114: { 'm', input_handle_sequence_sgr },
115: { 'n', input_handle_sequence_dsr },
116: { 'r', input_handle_sequence_decstbm },
117: };
118:
119: int
120: input_sequence_cmp(const void *a, const void *b)
121: {
122: int ai = ((const struct input_sequence_entry *) a)->ch;
123: int bi = ((const struct input_sequence_entry *) b)->ch;
124:
125: return (ai - bi);
126: }
127:
1.10 nicm 128: void
1.1 nicm 129: input_new_argument(struct input_ctx *ictx)
130: {
131: struct input_arg *arg;
132:
133: ARRAY_EXPAND(&ictx->args, 1);
134:
135: arg = &ARRAY_LAST(&ictx->args);
136: arg->used = 0;
137: }
138:
139: int
140: input_add_argument(struct input_ctx *ictx, u_char ch)
141: {
142: struct input_arg *arg;
143:
144: if (ARRAY_LENGTH(&ictx->args) == 0)
145: return (0);
146:
147: arg = &ARRAY_LAST(&ictx->args);
148: if (arg->used > (sizeof arg->data) - 1)
149: return (-1);
150: arg->data[arg->used++] = ch;
151:
152: return (0);
153: }
154:
155: int
156: input_get_argument(struct input_ctx *ictx, u_int i, uint16_t *n, uint16_t d)
157: {
158: struct input_arg *arg;
159: const char *errstr;
160:
161: *n = d;
162: if (i >= ARRAY_LENGTH(&ictx->args))
163: return (0);
164:
165: arg = &ARRAY_ITEM(&ictx->args, i);
166: if (*arg->data == '\0')
167: return (0);
168:
169: *n = strtonum(arg->data, 0, UINT16_MAX, &errstr);
170: if (errstr != NULL)
171: return (-1);
172: return (0);
173: }
174:
175: void
176: input_start_string(struct input_ctx *ictx, int type)
177: {
178: ictx->string_type = type;
179: ictx->string_len = 0;
180: }
181:
182: void
183: input_abort_string(struct input_ctx *ictx)
184: {
185: if (ictx->string_buf != NULL)
186: xfree(ictx->string_buf);
187: ictx->string_buf = NULL;
188: }
189:
190: int
191: input_add_string(struct input_ctx *ictx, u_char ch)
192: {
193: ictx->string_buf = xrealloc(ictx->string_buf, 1, ictx->string_len + 1);
194: ictx->string_buf[ictx->string_len++] = ch;
195:
196: if (ictx->string_len >= MAXSTRINGLEN) {
197: input_abort_string(ictx);
198: return (1);
199: }
200:
201: return (0);
202: }
203:
204: char *
205: input_get_string(struct input_ctx *ictx)
206: {
207: char *s;
208:
209: if (ictx->string_buf == NULL || input_add_string(ictx, '\0') != 0)
210: return (xstrdup(""));
211:
212: s = ictx->string_buf;
213: ictx->string_buf = NULL;
214: return (s);
215: }
216:
217: void
218: input_state(struct input_ctx *ictx, void *state)
219: {
220: ictx->state = state;
221: }
222:
223: void
224: input_init(struct window_pane *wp)
225: {
226: struct input_ctx *ictx = &wp->ictx;
227:
228: ARRAY_INIT(&ictx->args);
229:
230: ictx->string_len = 0;
231: ictx->string_buf = NULL;
232:
233: memcpy(&ictx->cell, &grid_default_cell, sizeof ictx->cell);
234:
235: memcpy(&ictx->saved_cell, &grid_default_cell, sizeof ictx->saved_cell);
236: ictx->saved_cx = 0;
237: ictx->saved_cy = 0;
238:
239: input_state(ictx, input_state_first);
1.13 nicm 240:
241: ictx->was = 0;
1.1 nicm 242: }
243:
244: void
245: input_free(struct window_pane *wp)
246: {
247: if (wp->ictx.string_buf != NULL)
248: xfree(wp->ictx.string_buf);
249:
250: ARRAY_FREE(&wp->ictx.args);
251: }
252:
253: void
254: input_parse(struct window_pane *wp)
255: {
256: struct input_ctx *ictx = &wp->ictx;
257: u_char ch;
258:
1.13 nicm 259: if (BUFFER_USED(wp->in) == ictx->was)
1.1 nicm 260: return;
1.13 nicm 261: wp->window->flags |= WINDOW_ACTIVITY;
1.1 nicm 262:
263: ictx->buf = BUFFER_OUT(wp->in);
264: ictx->len = BUFFER_USED(wp->in);
265: ictx->off = 0;
266:
267: ictx->wp = wp;
268:
269: if (wp->mode == NULL)
270: screen_write_start(&ictx->ctx, wp, &wp->base);
271: else
272: screen_write_start(&ictx->ctx, NULL, &wp->base);
273:
274: while (ictx->off < ictx->len) {
275: ch = ictx->buf[ictx->off++];
276: ictx->state(ch, ictx);
277: }
278:
279: screen_write_stop(&ictx->ctx);
280:
281: buffer_remove(wp->in, ictx->len);
1.13 nicm 282: ictx->was = BUFFER_USED(wp->in);
1.1 nicm 283: }
284:
285: void
286: input_state_first(u_char ch, struct input_ctx *ictx)
287: {
288: ictx->intermediate = '\0';
289:
290: if (INPUT_C0CONTROL(ch)) {
291: if (ch == 0x1b)
292: input_state(ictx, input_state_escape);
293: else
294: input_handle_c0_control(ch, ictx);
295: return;
296: }
297:
298: #if 0
299: if (INPUT_C1CONTROL(ch)) {
300: ch -= 0x40;
301: if (ch == '[')
302: input_state(ictx, input_state_sequence_first);
303: else if (ch == ']') {
304: input_start_string(ictx, STRING_SYSTEM);
305: input_state(ictx, input_state_string_next);
306: } else if (ch == '_') {
307: input_start_string(ictx, STRING_APPLICATION);
308: input_state(ictx, input_state_string_next);
309: } else
310: input_handle_c1_control(ch, ictx);
311: return;
312: }
313: #endif
314:
315: if (INPUT_DELETE(ch))
316: return;
317:
318: input_handle_character(ch, ictx);
319: }
320:
321: void
322: input_state_escape(u_char ch, struct input_ctx *ictx)
323: {
324: /* Treat C1 control and G1 displayable as 7-bit equivalent. */
325: if (INPUT_C1CONTROL(ch) || INPUT_G1DISPLAYABLE(ch))
326: ch &= 0x7f;
327:
328: if (INPUT_C0CONTROL(ch)) {
329: input_handle_c0_control(ch, ictx);
330: return;
331: }
332:
333: if (INPUT_INTERMEDIATE(ch)) {
334: log_debug2(":: in1 %zu: %hhu (%c)", ictx->off, ch, ch);
335: ictx->intermediate = ch;
336: input_state(ictx, input_state_intermediate);
337: return;
338: }
339:
340: if (INPUT_PARAMETER(ch)) {
341: input_state(ictx, input_state_first);
342: input_handle_private_two(ch, ictx);
343: return;
344: }
345:
346: if (INPUT_UPPERCASE(ch)) {
347: if (ch == '[')
348: input_state(ictx, input_state_sequence_first);
349: else if (ch == ']') {
350: input_start_string(ictx, STRING_SYSTEM);
351: input_state(ictx, input_state_string_next);
352: } else if (ch == '_') {
353: input_start_string(ictx, STRING_APPLICATION);
354: input_state(ictx, input_state_string_next);
355: } else {
356: input_state(ictx, input_state_first);
357: input_handle_c1_control(ch, ictx);
358: }
359: return;
360: }
361:
362: if (INPUT_LOWERCASE(ch)) {
363: input_state(ictx, input_state_first);
364: input_handle_standard_two(ch, ictx);
365: return;
366: }
367:
368: input_state(ictx, input_state_first);
369: }
370:
371: void
372: input_state_intermediate(u_char ch, struct input_ctx *ictx)
373: {
374: if (INPUT_INTERMEDIATE(ch)) {
375: /* Multiple intermediates currently ignored. */
376: log_debug2(":: in2 %zu: %hhu (%c)", ictx->off, ch, ch);
377: return;
378: }
379:
380: if (INPUT_PARAMETER(ch)) {
381: input_state(ictx, input_state_first);
382: input_handle_private_two(ch, ictx);
383: return;
384: }
385:
386: if (INPUT_UPPERCASE(ch) || INPUT_LOWERCASE(ch)) {
387: input_state(ictx, input_state_first);
388: input_handle_standard_two(ch, ictx);
389: return;
390: }
391:
392: input_state(ictx, input_state_first);
393: }
394:
395: void
396: input_state_sequence_first(u_char ch, struct input_ctx *ictx)
397: {
398: ictx->private = '\0';
399: ARRAY_CLEAR(&ictx->args);
400:
1.4 nicm 401: /* Most C0 control are accepted within CSI. */
402: if (INPUT_C0CONTROL(ch)) {
403: if (ch == 0x1b) { /* ESC */
404: /* Abort sequence and begin with new. */
405: input_state(ictx, input_state_escape);
1.6 nicm 406: return;
407: } else if (ch == 0x18 || ch == 0x1a) { /* CAN and SUB */
1.5 nicm 408: /* Abort sequence. */
409: input_state(ictx, input_state_first);
1.6 nicm 410: return;
1.4 nicm 411: }
1.6 nicm 412:
413: /* Handle C0 immediately. */
414: input_handle_c0_control(ch, ictx);
415:
1.4 nicm 416: /*
417: * Just come back to this state, in case the next character
418: * is the start of a private sequence.
419: */
420: return;
421: }
422:
1.1 nicm 423: input_state(ictx, input_state_sequence_next);
424:
1.4 nicm 425: /* Private sequence: always the first character. */
426: if (ch >= 0x3c && ch <= 0x3f) {
427: ictx->private = ch;
428: return;
1.1 nicm 429: }
430:
431: /* Pass character on directly. */
432: input_state_sequence_next(ch, ictx);
433: }
434:
435: void
436: input_state_sequence_next(u_char ch, struct input_ctx *ictx)
437: {
438: if (INPUT_INTERMEDIATE(ch)) {
439: if (input_add_argument(ictx, '\0') != 0)
440: input_state(ictx, input_state_first);
441: else {
442: log_debug2(":: si1 %zu: %hhu (%c)", ictx->off, ch, ch);
443: input_state(ictx, input_state_sequence_intermediate);
444: }
445: return;
446: }
447:
448: if (INPUT_PARAMETER(ch)) {
1.4 nicm 449: if (ARRAY_EMPTY(&ictx->args))
450: input_new_argument(ictx);
451:
1.1 nicm 452: if (ch == ';') {
453: if (input_add_argument(ictx, '\0') != 0)
454: input_state(ictx, input_state_first);
455: else
456: input_new_argument(ictx);
457: } else if (input_add_argument(ictx, ch) != 0)
458: input_state(ictx, input_state_first);
459: return;
460: }
461:
462: if (INPUT_UPPERCASE(ch) || INPUT_LOWERCASE(ch)) {
463: if (input_add_argument(ictx, '\0') != 0)
464: input_state(ictx, input_state_first);
465: else {
466: input_state(ictx, input_state_first);
467: input_handle_sequence(ch, ictx);
468: }
469: return;
470: }
471:
1.4 nicm 472: /* Most C0 control are accepted within CSI. */
473: if (INPUT_C0CONTROL(ch)) {
474: if (ch == 0x1b) { /* ESC */
475: /* Abort sequence and begin with new. */
476: input_state(ictx, input_state_escape);
1.6 nicm 477: return;
478: } else if (ch == 0x18 || ch == 0x1a) { /* CAN and SUB */
1.5 nicm 479: /* Abort sequence. */
480: input_state(ictx, input_state_first);
1.6 nicm 481: return;
1.4 nicm 482: }
1.6 nicm 483:
484: /* Handle C0 immediately. */
485: input_handle_c0_control(ch, ictx);
486:
1.4 nicm 487: return;
488: }
489:
1.1 nicm 490: input_state(ictx, input_state_first);
491: }
492:
493: void
494: input_state_sequence_intermediate(u_char ch, struct input_ctx *ictx)
495: {
496: if (INPUT_INTERMEDIATE(ch)) {
497: log_debug2(":: si2 %zu: %hhu (%c)", ictx->off, ch, ch);
498: return;
499: }
500:
501: if (INPUT_UPPERCASE(ch) || INPUT_LOWERCASE(ch)) {
502: input_state(ictx, input_state_first);
503: input_handle_sequence(ch, ictx);
504: return;
505: }
506:
507: input_state(ictx, input_state_first);
508: }
509:
510: void
511: input_state_string_next(u_char ch, struct input_ctx *ictx)
512: {
513: if (ch == 0x1b) {
514: input_state(ictx, input_state_string_escape);
515: return;
516: }
517: if (ch == 0x07) {
518: input_state_string_escape(ch, ictx);
519: return;
520: }
521:
1.2 nicm 522: if (ch >= 0x20) {
1.1 nicm 523: if (input_add_string(ictx, ch) != 0)
524: input_state(ictx, input_state_first);
525: return;
526: }
527: }
528:
529: void
530: input_state_string_escape(u_char ch, struct input_ctx *ictx)
531: {
532: char *s;
533:
534: if (ch == '\007' || ch == '\\') {
535: input_state(ictx, input_state_first);
536: switch (ictx->string_type) {
537: case STRING_SYSTEM:
538: if (ch != '\007')
539: return;
540: s = input_get_string(ictx);
541: if ((s[0] != '0' && s[0] != '2') || s[1] != ';') {
542: xfree(s);
543: return;
544: }
545: screen_set_title(ictx->ctx.s, s + 2);
546: server_status_window(ictx->wp->window);
547: xfree(s);
548: break;
549: case STRING_APPLICATION:
550: if (ch != '\\')
551: return;
552: s = input_get_string(ictx);
553: screen_set_title(ictx->ctx.s, s);
554: server_status_window(ictx->wp->window);
555: xfree(s);
556: break;
557: case STRING_NAME:
558: if (ch != '\\')
559: return;
560: xfree(ictx->wp->window->name);
561: ictx->wp->window->name = input_get_string(ictx);
562: server_status_window(ictx->wp->window);
563: break;
564: }
565: return;
566: }
567:
568: input_state(ictx, input_state_string_next);
569: input_state_string_next(ch, ictx);
570: }
571:
572: void
573: input_state_utf8(u_char ch, struct input_ctx *ictx)
574: {
575: log_debug2("-- un %zu: %hhu (%c)", ictx->off, ch, ch);
576:
577: ictx->utf8_buf[ictx->utf8_off++] = ch;
578: if (--ictx->utf8_len != 0)
579: return;
580: input_state(ictx, input_state_first);
581:
582: ictx->cell.flags |= GRID_FLAG_UTF8;
583: screen_write_cell(&ictx->ctx, &ictx->cell, ictx->utf8_buf);
584: ictx->cell.flags &= ~GRID_FLAG_UTF8;
585: }
586:
587: void
588: input_handle_character(u_char ch, struct input_ctx *ictx)
589: {
590: struct window_pane *wp = ictx->wp;
591:
592: if (ch > 0x7f && options_get_number(&wp->window->options, "utf8")) {
593: /*
594: * UTF-8 sequence.
595: *
596: * 11000010-11011111 C2-DF start of 2-byte sequence
597: * 11100000-11101111 E0-EF start of 3-byte sequence
598: * 11110000-11110100 F0-F4 start of 4-byte sequence
599: */
600: memset(ictx->utf8_buf, 0xff, sizeof ictx->utf8_buf);
601: ictx->utf8_buf[0] = ch;
602: ictx->utf8_off = 1;
603:
604: if (ch >= 0xc2 && ch <= 0xdf) {
605: log_debug2("-- u2 %zu: %hhu (%c)", ictx->off, ch, ch);
606: input_state(ictx, input_state_utf8);
607: ictx->utf8_len = 1;
608: return;
609: }
610: if (ch >= 0xe0 && ch <= 0xef) {
611: log_debug2("-- u3 %zu: %hhu (%c)", ictx->off, ch, ch);
612: input_state(ictx, input_state_utf8);
613: ictx->utf8_len = 2;
614: return;
615: }
616: if (ch >= 0xf0 && ch <= 0xf4) {
617: log_debug2("-- u4 %zu: %hhu (%c)", ictx->off, ch, ch);
618: input_state(ictx, input_state_utf8);
619: ictx->utf8_len = 3;
620: return;
621: }
622: }
623: log_debug2("-- ch %zu: %hhu (%c)", ictx->off, ch, ch);
624:
625: ictx->cell.data = ch;
626: screen_write_cell(&ictx->ctx, &ictx->cell, ictx->utf8_buf);
627: }
628:
629: void
630: input_handle_c0_control(u_char ch, struct input_ctx *ictx)
631: {
632: struct screen *s = ictx->ctx.s;
633:
634: log_debug2("-- c0 %zu: %hhu", ictx->off, ch);
635:
636: switch (ch) {
637: case '\0': /* NUL */
638: break;
639: case '\n': /* LF */
1.12 nicm 640: screen_write_linefeed(&ictx->ctx, 0);
1.1 nicm 641: break;
642: case '\r': /* CR */
643: screen_write_carriagereturn(&ictx->ctx);
644: break;
645: case '\007': /* BELL */
646: ictx->wp->window->flags |= WINDOW_BELL;
647: break;
648: case '\010': /* BS */
649: screen_write_cursorleft(&ictx->ctx, 1);
650: break;
651: case '\011': /* TAB */
1.7 nicm 652: /* Don't tab beyond the end of the line. */
653: if (s->cx >= screen_size_x(s) - 1)
654: break;
655:
656: /* Find the next tab point, or use the last column if none. */
657: do {
658: s->cx++;
659: if (bit_test(s->tabs, s->cx))
660: break;
661: } while (s->cx < screen_size_x(s) - 1);
1.4 nicm 662: break;
663: case '\013': /* VT */
1.12 nicm 664: screen_write_linefeed(&ictx->ctx, 0);
1.1 nicm 665: break;
666: case '\016': /* SO */
667: ictx->cell.attr |= GRID_ATTR_CHARSET;
668: break;
669: case '\017': /* SI */
670: ictx->cell.attr &= ~GRID_ATTR_CHARSET;
671: break;
672: default:
673: log_debug("unknown c0: %hhu", ch);
674: break;
675: }
676: }
677:
678: void
679: input_handle_c1_control(u_char ch, struct input_ctx *ictx)
680: {
1.7 nicm 681: struct screen *s = ictx->ctx.s;
682:
1.1 nicm 683: log_debug2("-- c1 %zu: %hhu (%c)", ictx->off, ch, ch);
684:
685: switch (ch) {
1.3 nicm 686: case 'D': /* IND */
1.12 nicm 687: screen_write_linefeed(&ictx->ctx, 0);
1.3 nicm 688: break;
1.1 nicm 689: case 'E': /* NEL */
690: screen_write_carriagereturn(&ictx->ctx);
1.12 nicm 691: screen_write_linefeed(&ictx->ctx, 0);
1.1 nicm 692: break;
1.7 nicm 693: case 'H': /* HTS */
694: if (s->cx < screen_size_x(s))
695: bit_set(s->tabs, s->cx);
696: break;
1.1 nicm 697: case 'M': /* RI */
698: screen_write_reverseindex(&ictx->ctx);
699: break;
700: default:
701: log_debug("unknown c1: %hhu", ch);
702: break;
703: }
704: }
705:
706: void
707: input_handle_private_two(u_char ch, struct input_ctx *ictx)
708: {
709: struct screen *s = ictx->ctx.s;
710:
711: log_debug2(
712: "-- p2 %zu: %hhu (%c) %hhu", ictx->off, ch, ch, ictx->intermediate);
713:
714: switch (ch) {
1.3 nicm 715: case '0': /* SCS */
1.1 nicm 716: /*
717: * Not really supported, but fake it up enough for those that
718: * use it to switch character sets (by redefining G0 to
719: * graphics set, rather than switching to G1).
720: */
721: switch (ictx->intermediate) {
722: case '(': /* G0 */
723: ictx->cell.attr |= GRID_ATTR_CHARSET;
724: break;
725: }
726: break;
727: case '=': /* DECKPAM */
1.3 nicm 728: if (ictx->intermediate != '\0')
729: break;
1.1 nicm 730: screen_write_kkeypadmode(&ictx->ctx, 1);
731: log_debug("kkeypad on (application mode)");
732: break;
733: case '>': /* DECKPNM */
1.3 nicm 734: if (ictx->intermediate != '\0')
735: break;
1.1 nicm 736: screen_write_kkeypadmode(&ictx->ctx, 0);
737: log_debug("kkeypad off (number mode)");
738: break;
739: case '7': /* DECSC */
1.3 nicm 740: if (ictx->intermediate != '\0')
741: break;
1.1 nicm 742: memcpy(&ictx->saved_cell, &ictx->cell, sizeof ictx->saved_cell);
743: ictx->saved_cx = s->cx;
744: ictx->saved_cy = s->cy;
745: break;
1.3 nicm 746: case '8':
747: switch (ictx->intermediate) {
748: case '\0': /* DECRC */
749: memcpy(
750: &ictx->cell, &ictx->saved_cell, sizeof ictx->cell);
751: screen_write_cursormove(
752: &ictx->ctx, ictx->saved_cx, ictx->saved_cy);
753: break;
754: case '#': /* DECALN */
755: screen_write_alignmenttest(&ictx->ctx);
756: break;
757: }
1.1 nicm 758: break;
759: default:
760: log_debug("unknown p2: %hhu", ch);
761: break;
762: }
763: }
764:
765: void
766: input_handle_standard_two(u_char ch, struct input_ctx *ictx)
767: {
768: log_debug2(
769: "-- s2 %zu: %hhu (%c) %hhu", ictx->off, ch, ch, ictx->intermediate);
770:
771: switch (ch) {
1.7 nicm 772: case 'B': /* SCS */
1.1 nicm 773: /*
774: * Not really supported, but fake it up enough for those that
775: * use it to switch character sets (by redefining G0 to
776: * graphics set, rather than switching to G1).
777: */
778: switch (ictx->intermediate) {
779: case '(': /* G0 */
780: ictx->cell.attr &= ~GRID_ATTR_CHARSET;
781: break;
782: }
783: break;
784: case 'c': /* RIS */
785: memcpy(&ictx->cell, &grid_default_cell, sizeof ictx->cell);
786:
787: memcpy(&ictx->saved_cell, &ictx->cell, sizeof ictx->saved_cell);
788: ictx->saved_cx = 0;
789: ictx->saved_cy = 0;
790:
1.7 nicm 791: screen_reset_tabs(ictx->ctx.s);
792:
1.1 nicm 793: screen_write_scrollregion(
794: &ictx->ctx, 0, screen_size_y(ictx->ctx.s) - 1);
795:
796: screen_write_insertmode(&ictx->ctx, 0);
797: screen_write_kcursormode(&ictx->ctx, 0);
798: screen_write_kkeypadmode(&ictx->ctx, 0);
799: screen_write_mousemode(&ictx->ctx, 0);
800:
801: screen_write_clearscreen(&ictx->ctx);
802: screen_write_cursormove(&ictx->ctx, 0, 0);
803: break;
804: case 'k':
805: input_start_string(ictx, STRING_NAME);
806: input_state(ictx, input_state_string_next);
807: break;
808: default:
809: log_debug("unknown s2: %hhu", ch);
810: break;
811: }
812: }
813:
814: void
815: input_handle_sequence(u_char ch, struct input_ctx *ictx)
816: {
817: struct input_sequence_entry *entry, find;
818: struct screen *s = ictx->ctx.s;
819: u_int i;
820: struct input_arg *iarg;
821:
822: log_debug2("-- sq %zu: %hhu (%c): %u [sx=%u, sy=%u, cx=%u, cy=%u, "
823: "ru=%u, rl=%u]", ictx->off, ch, ch, ARRAY_LENGTH(&ictx->args),
824: screen_size_x(s), screen_size_y(s), s->cx, s->cy, s->rupper,
825: s->rlower);
826: for (i = 0; i < ARRAY_LENGTH(&ictx->args); i++) {
827: iarg = &ARRAY_ITEM(&ictx->args, i);
828: if (*iarg->data != '\0')
829: log_debug2(" ++ %u: %s", i, iarg->data);
830: }
831:
832: find.ch = ch;
833: entry = bsearch(&find,
834: input_sequence_table, nitems(input_sequence_table),
835: sizeof input_sequence_table[0], input_sequence_cmp);
836: if (entry != NULL)
837: entry->fn(ictx);
838: else
839: log_debug("unknown sq: %c (%hhu %hhu)", ch, ch, ictx->private);
840: }
841:
842: void
843: input_handle_sequence_cuu(struct input_ctx *ictx)
844: {
845: uint16_t n;
846:
847: if (ictx->private != '\0')
848: return;
849:
850: if (ARRAY_LENGTH(&ictx->args) > 1)
851: return;
852: if (input_get_argument(ictx, 0, &n, 1) != 0)
853: return;
854: if (n == 0)
855: n = 1;
856:
857: screen_write_cursorup(&ictx->ctx, n);
858: }
859:
860: void
861: input_handle_sequence_cud(struct input_ctx *ictx)
862: {
863: uint16_t n;
864:
865: if (ictx->private != '\0')
866: return;
867:
868: if (ARRAY_LENGTH(&ictx->args) > 1)
869: return;
870: if (input_get_argument(ictx, 0, &n, 1) != 0)
871: return;
872: if (n == 0)
873: n = 1;
874:
875: screen_write_cursordown(&ictx->ctx, n);
876: }
877:
878: void
879: input_handle_sequence_cuf(struct input_ctx *ictx)
880: {
881: uint16_t n;
882:
883: if (ictx->private != '\0')
884: return;
885:
886: if (ARRAY_LENGTH(&ictx->args) > 1)
887: return;
888: if (input_get_argument(ictx, 0, &n, 1) != 0)
889: return;
890: if (n == 0)
891: n = 1;
892:
893: screen_write_cursorright(&ictx->ctx, n);
894: }
895:
896: void
897: input_handle_sequence_cub(struct input_ctx *ictx)
898: {
899: uint16_t n;
900:
901: if (ictx->private != '\0')
902: return;
903:
904: if (ARRAY_LENGTH(&ictx->args) > 1)
905: return;
906: if (input_get_argument(ictx, 0, &n, 1) != 0)
907: return;
908: if (n == 0)
909: n = 1;
910:
911: screen_write_cursorleft(&ictx->ctx, n);
912: }
913:
914: void
915: input_handle_sequence_dch(struct input_ctx *ictx)
916: {
917: uint16_t n;
918:
919: if (ictx->private != '\0')
920: return;
921:
922: if (ARRAY_LENGTH(&ictx->args) > 1)
923: return;
924: if (input_get_argument(ictx, 0, &n, 1) != 0)
925: return;
926: if (n == 0)
927: n = 1;
928:
929: screen_write_deletecharacter(&ictx->ctx, n);
1.8 nicm 930: }
931:
932: void
933: input_handle_sequence_cbt(struct input_ctx *ictx)
934: {
935: struct screen *s = ictx->ctx.s;
936: uint16_t n;
937:
938: if (ictx->private != '\0')
939: return;
940:
941: if (ARRAY_LENGTH(&ictx->args) > 1)
942: return;
943: if (input_get_argument(ictx, 0, &n, 1) != 0)
944: return;
945: if (n == 0)
946: n = 1;
947:
948: /* Find the previous tab point, n times. */
949: while (s->cx > 0 && n-- > 0) {
950: do
951: s->cx--;
952: while (s->cx > 0 && !bit_test(s->tabs, s->cx));
953: }
1.14 ! nicm 954: }
! 955:
! 956: void
! 957: input_handle_sequence_da(struct input_ctx *ictx)
! 958: {
! 959: struct screen *s = ictx->ctx.s;
! 960: uint16_t n;
! 961:
! 962: if (ictx->private != '\0')
! 963: return;
! 964:
! 965: if (ARRAY_LENGTH(&ictx->args) > 1)
! 966: return;
! 967: if (input_get_argument(ictx, 0, &n, 0) != 0)
! 968: return;
! 969: if (n != 0)
! 970: return;
! 971:
! 972: buffer_write(ictx->wp->out, "\033[?1;2c", (sizeof "\033[?1;2c") - 1);
1.1 nicm 973: }
974:
975: void
976: input_handle_sequence_dl(struct input_ctx *ictx)
977: {
978: uint16_t n;
979:
980: if (ictx->private != '\0')
981: return;
982:
983: if (ARRAY_LENGTH(&ictx->args) > 1)
984: return;
985: if (input_get_argument(ictx, 0, &n, 1) != 0)
986: return;
987: if (n == 0)
988: n = 1;
989:
990: screen_write_deleteline(&ictx->ctx, n);
991: }
992:
993: void
994: input_handle_sequence_ich(struct input_ctx *ictx)
995: {
996: uint16_t n;
997:
998: if (ictx->private != '\0')
999: return;
1000:
1001: if (ARRAY_LENGTH(&ictx->args) > 1)
1002: return;
1003: if (input_get_argument(ictx, 0, &n, 1) != 0)
1004: return;
1005: if (n == 0)
1006: n = 1;
1007:
1008: screen_write_insertcharacter(&ictx->ctx, n);
1009: }
1010:
1011: void
1012: input_handle_sequence_il(struct input_ctx *ictx)
1013: {
1014: uint16_t n;
1015:
1016: if (ictx->private != '\0')
1017: return;
1018:
1019: if (ARRAY_LENGTH(&ictx->args) > 1)
1020: return;
1021: if (input_get_argument(ictx, 0, &n, 1) != 0)
1022: return;
1023: if (n == 0)
1024: n = 1;
1025:
1026: screen_write_insertline(&ictx->ctx, n);
1027: }
1028:
1029: void
1030: input_handle_sequence_vpa(struct input_ctx *ictx)
1031: {
1032: struct screen *s = ictx->ctx.s;
1033: uint16_t n;
1034:
1035: if (ictx->private != '\0')
1036: return;
1037:
1038: if (ARRAY_LENGTH(&ictx->args) > 1)
1039: return;
1040: if (input_get_argument(ictx, 0, &n, 1) != 0)
1041: return;
1042: if (n == 0)
1043: n = 1;
1044:
1045: screen_write_cursormove(&ictx->ctx, s->cx, n - 1);
1046: }
1047:
1048: void
1049: input_handle_sequence_hpa(struct input_ctx *ictx)
1050: {
1051: struct screen *s = ictx->ctx.s;
1052: uint16_t n;
1053:
1054: if (ictx->private != '\0')
1055: return;
1056:
1057: if (ARRAY_LENGTH(&ictx->args) > 1)
1058: return;
1059: if (input_get_argument(ictx, 0, &n, 1) != 0)
1060: return;
1061: if (n == 0)
1062: n = 1;
1063:
1064: screen_write_cursormove(&ictx->ctx, n - 1, s->cy);
1065: }
1066:
1067: void
1068: input_handle_sequence_cup(struct input_ctx *ictx)
1069: {
1070: uint16_t n, m;
1071:
1072: if (ictx->private != '\0')
1073: return;
1074:
1075: if (ARRAY_LENGTH(&ictx->args) > 2)
1076: return;
1077: if (input_get_argument(ictx, 0, &n, 1) != 0)
1078: return;
1079: if (input_get_argument(ictx, 1, &m, 1) != 0)
1080: return;
1081: if (n == 0)
1082: n = 1;
1083: if (m == 0)
1084: m = 1;
1085:
1086: screen_write_cursormove(&ictx->ctx, m - 1, n - 1);
1.7 nicm 1087: }
1088:
1089: void
1090: input_handle_sequence_tbc(struct input_ctx *ictx)
1091: {
1092: struct screen *s = ictx->ctx.s;
1093: uint16_t n;
1094:
1095: if (ictx->private != '\0')
1096: return;
1097:
1098: if (ARRAY_LENGTH(&ictx->args) > 1)
1099: return;
1100: if (input_get_argument(ictx, 0, &n, 1) != 0)
1101: return;
1102:
1103: switch (n) {
1104: case 0:
1105: if (s->cx < screen_size_x(s))
1106: bit_clear(s->tabs, s->cx);
1107: break;
1108: case 3:
1109: bit_nclear(s->tabs, 0, screen_size_x(s) - 1);
1110: break;
1111: }
1.1 nicm 1112: }
1113:
1114: void
1115: input_handle_sequence_ed(struct input_ctx *ictx)
1116: {
1117: uint16_t n;
1118:
1119: if (ictx->private != '\0')
1120: return;
1121:
1122: if (ARRAY_LENGTH(&ictx->args) > 1)
1123: return;
1124: if (input_get_argument(ictx, 0, &n, 0) != 0)
1125: return;
1126: if (n > 2)
1127: return;
1128:
1129: switch (n) {
1130: case 0:
1131: screen_write_clearendofscreen(&ictx->ctx);
1132: break;
1133: case 1:
1134: screen_write_clearstartofscreen(&ictx->ctx);
1135: break;
1136: case 2:
1137: screen_write_clearscreen(&ictx->ctx);
1138: break;
1139: }
1140: }
1141:
1142: void
1143: input_handle_sequence_el(struct input_ctx *ictx)
1144: {
1145: uint16_t n;
1146:
1147: if (ictx->private != '\0')
1148: return;
1149:
1150: if (ARRAY_LENGTH(&ictx->args) > 1)
1151: return;
1152: if (input_get_argument(ictx, 0, &n, 0) != 0)
1153: return;
1154: if (n > 2)
1155: return;
1156:
1157: switch (n) {
1158: case 0:
1159: screen_write_clearendofline(&ictx->ctx);
1160: break;
1161: case 1:
1162: screen_write_clearstartofline(&ictx->ctx);
1163: break;
1164: case 2:
1165: screen_write_clearline(&ictx->ctx);
1166: break;
1167: }
1168: }
1169:
1170: void
1171: input_handle_sequence_sm(struct input_ctx *ictx)
1172: {
1.9 nicm 1173: struct window_pane *wp = ictx->wp;
1174: struct screen *s = &wp->base;
1175: u_int sx, sy;
1176: uint16_t n;
1.1 nicm 1177:
1178: if (ARRAY_LENGTH(&ictx->args) > 1)
1179: return;
1180: if (input_get_argument(ictx, 0, &n, 0) != 0)
1181: return;
1182:
1183: if (ictx->private == '?') {
1184: switch (n) {
1185: case 1: /* GATM */
1186: screen_write_kcursormode(&ictx->ctx, 1);
1187: log_debug("kcursor on");
1188: break;
1189: case 25: /* TCEM */
1190: screen_write_cursormode(&ictx->ctx, 1);
1191: log_debug("cursor on");
1192: break;
1193: case 1000:
1194: screen_write_mousemode(&ictx->ctx, 1);
1195: log_debug("mouse on");
1196: break;
1.9 nicm 1197: case 1049:
1198: if (wp->saved_grid != NULL)
1199: break;
1200: sx = screen_size_x(s);
1201: sy = screen_size_y(s);
1202:
1203: /*
1204: * Enter alternative screen mode. A copy of the visible
1205: * screen is saved and the history is not updated
1206: */
1207:
1208: wp->saved_grid = grid_create(sx, sy, 0);
1209: grid_duplicate_lines(
1210: wp->saved_grid, 0, s->grid, screen_hsize(s), sy);
1211: wp->saved_cx = s->cx;
1212: wp->saved_cy = s->cy;
1.11 nicm 1213: memcpy(&wp->saved_cell,
1214: &ictx->cell, sizeof wp->saved_cell);
1215:
1.9 nicm 1216: grid_view_clear(s->grid, 0, 0, sx, sy);
1217:
1218: wp->base.grid->flags &= ~GRID_HISTORY;
1219:
1220: wp->flags |= PANE_REDRAW;
1221: break;
1.1 nicm 1222: default:
1223: log_debug("unknown SM [%hhu]: %u", ictx->private, n);
1224: break;
1225: }
1226: } else {
1227: switch (n) {
1228: case 4: /* IRM */
1229: screen_write_insertmode(&ictx->ctx, 1);
1230: log_debug("insert on");
1231: break;
1232: case 34:
1233: /* Cursor high visibility not supported. */
1234: break;
1235: default:
1236: log_debug("unknown SM [%hhu]: %u", ictx->private, n);
1237: break;
1238: }
1239: }
1240: }
1241:
1242: void
1243: input_handle_sequence_rm(struct input_ctx *ictx)
1244: {
1.9 nicm 1245: struct window_pane *wp = ictx->wp;
1246: struct screen *s = &wp->base;
1247: u_int sx, sy;
1248: uint16_t n;
1.1 nicm 1249:
1250: if (ARRAY_LENGTH(&ictx->args) > 1)
1251: return;
1252: if (input_get_argument(ictx, 0, &n, 0) != 0)
1253: return;
1254:
1255: if (ictx->private == '?') {
1256: switch (n) {
1257: case 1: /* GATM */
1258: screen_write_kcursormode(&ictx->ctx, 0);
1259: log_debug("kcursor off");
1260: break;
1261: case 25: /* TCEM */
1262: screen_write_cursormode(&ictx->ctx, 0);
1263: log_debug("cursor off");
1264: break;
1265: case 1000:
1266: screen_write_mousemode(&ictx->ctx, 0);
1267: log_debug("mouse off");
1.9 nicm 1268: break;
1269: case 1049:
1270: if (wp->saved_grid == NULL)
1271: break;
1272: sx = screen_size_x(s);
1273: sy = screen_size_y(s);
1274:
1275: /*
1276: * Exit alternative screen mode and restore the copied
1277: * grid.
1278: */
1279:
1280: /*
1281: * If the current size is bigger, temporarily resize
1282: * to the old size before copying back.
1283: */
1284: if (sy > wp->saved_grid->sy)
1285: screen_resize(s, sx, wp->saved_grid->sy);
1286:
1.11 nicm 1287: /* Restore the grid, cursor position and cell. */
1.9 nicm 1288: grid_duplicate_lines(
1289: s->grid, screen_hsize(s), wp->saved_grid, 0, sy);
1290: s->cx = wp->saved_cx;
1291: if (s->cx > screen_size_x(s) - 1)
1292: s->cx = screen_size_x(s) - 1;
1293: s->cy = wp->saved_cy;
1294: if (s->cy > screen_size_y(s) - 1)
1295: s->cy = screen_size_y(s) - 1;
1.11 nicm 1296: memcpy(&ictx->cell, &wp->saved_cell, sizeof ictx->cell);
1.9 nicm 1297:
1298: /*
1299: * Turn history back on (so resize can use it) and then
1300: * resize back to the current size.
1301: */
1302: wp->base.grid->flags |= GRID_HISTORY;
1303: if (sy > wp->saved_grid->sy)
1304: screen_resize(s, sx, sy);
1305:
1306: grid_destroy(wp->saved_grid);
1307: wp->saved_grid = NULL;
1308:
1309: wp->flags |= PANE_REDRAW;
1.1 nicm 1310: break;
1311: default:
1312: log_debug("unknown RM [%hhu]: %u", ictx->private, n);
1313: break;
1314: }
1315: } else if (ictx->private == '\0') {
1316: switch (n) {
1317: case 4: /* IRM */
1318: screen_write_insertmode(&ictx->ctx, 0);
1319: log_debug("insert off");
1320: break;
1321: case 34:
1322: /* Cursor high visibility not supported. */
1323: break;
1324: default:
1325: log_debug("unknown RM [%hhu]: %u", ictx->private, n);
1326: break;
1327: }
1328: }
1329: }
1330:
1331: void
1332: input_handle_sequence_dsr(struct input_ctx *ictx)
1333: {
1334: struct screen *s = ictx->ctx.s;
1335: uint16_t n;
1336: char reply[32];
1337:
1338: if (ARRAY_LENGTH(&ictx->args) > 1)
1339: return;
1340: if (input_get_argument(ictx, 0, &n, 0) != 0)
1341: return;
1342:
1343: if (ictx->private == '\0') {
1344: switch (n) {
1345: case 6: /* cursor position */
1346: xsnprintf(reply, sizeof reply,
1347: "\033[%u;%uR", s->cy + 1, s->cx + 1);
1348: log_debug("cursor request, reply: %s", reply);
1349: buffer_write(ictx->wp->out, reply, strlen(reply));
1350: break;
1351: }
1352: }
1353: }
1354:
1355: void
1356: input_handle_sequence_decstbm(struct input_ctx *ictx)
1357: {
1358: struct screen *s = ictx->ctx.s;
1359: uint16_t n, m;
1360:
1361: if (ictx->private != '\0')
1362: return;
1363:
1364: if (ARRAY_LENGTH(&ictx->args) > 2)
1365: return;
1366: if (input_get_argument(ictx, 0, &n, 0) != 0)
1367: return;
1368: if (input_get_argument(ictx, 1, &m, 0) != 0)
1369: return;
1370: if (n == 0)
1371: n = 1;
1372: if (m == 0)
1373: m = screen_size_y(s);
1374:
1375: screen_write_scrollregion(&ictx->ctx, n - 1, m - 1);
1376: }
1377:
1378: void
1379: input_handle_sequence_sgr(struct input_ctx *ictx)
1380: {
1381: struct grid_cell *gc = &ictx->cell;
1382: u_int i;
1383: uint16_t m, o;
1384: u_char attr;
1385:
1386: if (ARRAY_LENGTH(&ictx->args) == 0) {
1387: attr = gc->attr;
1388: memcpy(gc, &grid_default_cell, sizeof *gc);
1389: gc->attr |= (attr & GRID_ATTR_CHARSET);
1390: return;
1391: }
1392:
1393: for (i = 0; i < ARRAY_LENGTH(&ictx->args); i++) {
1394: if (input_get_argument(ictx, i, &m, 0) != 0)
1395: return;
1396:
1397: if (m == 38 || m == 48) {
1398: i++;
1399: if (input_get_argument(ictx, i, &o, 0) != 0)
1400: return;
1401: if (o != 5)
1402: continue;
1403:
1404: i++;
1405: if (input_get_argument(ictx, i, &o, 0) != 0)
1406: return;
1407: if (m == 38) {
1408: gc->flags |= GRID_FLAG_FG256;
1409: gc->fg = o;
1410: } else if (m == 48) {
1411: gc->flags |= GRID_FLAG_BG256;
1412: gc->bg = o;
1413: }
1414: continue;
1415: }
1416:
1417: switch (m) {
1418: case 0:
1419: case 10:
1420: attr = gc->attr;
1421: memcpy(gc, &grid_default_cell, sizeof *gc);
1422: gc->attr |= (attr & GRID_ATTR_CHARSET);
1423: break;
1424: case 1:
1425: gc->attr |= GRID_ATTR_BRIGHT;
1426: break;
1427: case 2:
1428: gc->attr |= GRID_ATTR_DIM;
1429: break;
1430: case 3:
1431: gc->attr |= GRID_ATTR_ITALICS;
1432: break;
1433: case 4:
1434: gc->attr |= GRID_ATTR_UNDERSCORE;
1435: break;
1436: case 5:
1437: gc->attr |= GRID_ATTR_BLINK;
1438: break;
1439: case 7:
1440: gc->attr |= GRID_ATTR_REVERSE;
1441: break;
1442: case 8:
1443: gc->attr |= GRID_ATTR_HIDDEN;
1444: break;
1445: case 22:
1446: gc->attr &= ~(GRID_ATTR_BRIGHT|GRID_ATTR_DIM);
1447: break;
1448: case 23:
1449: gc->attr &= ~GRID_ATTR_ITALICS;
1450: break;
1451: case 24:
1452: gc->attr &= ~GRID_ATTR_UNDERSCORE;
1453: break;
1454: case 25:
1455: gc->attr &= ~GRID_ATTR_BLINK;
1456: break;
1457: case 27:
1458: gc->attr &= ~GRID_ATTR_REVERSE;
1459: break;
1460: case 30:
1461: case 31:
1462: case 32:
1463: case 33:
1464: case 34:
1465: case 35:
1466: case 36:
1467: case 37:
1468: gc->flags &= ~GRID_FLAG_FG256;
1469: gc->fg = m - 30;
1470: break;
1471: case 39:
1472: gc->flags &= ~GRID_FLAG_FG256;
1473: gc->fg = 8;
1474: break;
1475: case 40:
1476: case 41:
1477: case 42:
1478: case 43:
1479: case 44:
1480: case 45:
1481: case 46:
1482: case 47:
1483: gc->flags &= ~GRID_FLAG_BG256;
1484: gc->bg = m - 40;
1485: break;
1486: case 49:
1487: gc->flags &= ~GRID_FLAG_BG256;
1488: gc->bg = 8;
1489: break;
1490: }
1491: }
1492: }