3 This program is free software; you can redistribute it and/or
4 modify it under the terms of the GNU Lesser General Public
5 License (LGPL) as published by the Free Software Foundation.
7 Please refer to the COPYING file for more information.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 Copyright © 2004 Bruno T. C. de Oliveira
19 Copyright © 2006 Pierre Habouzit
22 #include <lib-ui/lib-ui.h>
26 #include <sys/ioctl.h>
31 #define IS_CONTROL(ch) !((ch) & 0xffffff60UL)
33 static int has_default = 0;
37 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
38 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
39 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
40 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
45 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
46 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
47 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
48 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC,
53 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
54 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
55 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
56 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
57 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
58 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
59 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
60 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
68 unsigned seen_input : 1;
71 unsigned graphmode : 1;
78 struct t_row_t *lines;
79 struct t_row_t *scroll_top;
80 struct t_row_t *scroll_bot;
83 struct t_row_t *curs_row;
84 int curs_col, curs_srow, curs_scol;
86 /* buffers and parsing state */
93 typedef struct t_row_t {
99 static char const * const keytable[KEY_MAX+1] = {
103 [KEY_RIGHT] = "\e[C",
105 [KEY_BACKSPACE] = "\177",
106 [KEY_HOME] = "\e[1~",
110 [KEY_PPAGE] = "\e[5~",
111 [KEY_NPAGE] = "\e[6~",
112 [KEY_SUSPEND] = "\x1A", /* Ctrl+Z gets mapped to this */
113 [KEY_F(1)] = "\e[[A",
114 [KEY_F(2)] = "\e[[B",
115 [KEY_F(3)] = "\e[[C",
116 [KEY_F(4)] = "\e[[D",
117 [KEY_F(5)] = "\e[[E",
118 [KEY_F(6)] = "\e[17~",
119 [KEY_F(7)] = "\e[18~",
120 [KEY_F(8)] = "\e[19~",
121 [KEY_F(9)] = "\e[20~",
122 [KEY_F(10)] = "\e[21~",
125 static void t_row_set(t_row_t *row, int start, int len, uint16_t attr)
128 wmemset(row->text + start, 0, len);
129 for (int i = start; i < len + start; i++) {
134 static void t_row_roll(t_row_t *start, t_row_t *end, int count)
143 t_row_t *buf = alloca(count * sizeof(t_row_t));
145 memcpy(buf, start, count * sizeof(t_row_t));
146 memmove(start, start + count, (n - count) * sizeof(t_row_t));
147 memcpy(end - count, buf, count * sizeof(t_row_t));
148 for (t_row_t *row = start; row < end; row++) {
154 static void clamp_cursor_to_bounds(madtty_t *t)
156 if (t->curs_row < t->lines) {
157 t->curs_row = t->lines;
159 if (t->curs_row >= t->lines + t->rows) {
160 t->curs_row = t->lines + t->rows - 1;
163 if (t->curs_col < 0) {
166 if (t->curs_col >= t->cols) {
167 t->curs_col = t->cols - 1;
171 static void cursor_line_down(madtty_t *t)
174 if (t->curs_row < t->scroll_bot)
177 t->curs_row = t->scroll_bot - 1;
178 t_row_roll(t->scroll_top, t->scroll_bot, 1);
179 t_row_set(t->curs_row, 0, t->cols, 0);
182 __attribute__((const))
183 static uint16_t build_attrs(unsigned curattrs)
185 return ((curattrs & ~A_COLOR) | COLOR_PAIR(curattrs & 0xff))
186 >> NCURSES_ATTR_SHIFT;
189 static void new_escape_sequence(madtty_t *t)
196 static void cancel_escape_sequence(madtty_t *t)
203 static bool is_valid_csi_ender(int c)
205 return (c >= 'a' && c <= 'z')
206 || (c >= 'A' && c <= 'Z')
207 || (c == '@' || c == '`');
210 /* interprets a 'set attribute' (SGR) CSI escape sequence */
211 static void interpret_csi_SGR(madtty_t *t, int param[], int pcount)
216 /* special case: reset attributes */
217 t->curattrs = A_NORMAL;
221 for (i = 0; i < pcount; i++) {
223 #define CASE(x, op) case x: op; break
224 CASE(0, t->curattrs = A_NORMAL);
225 CASE(1, t->curattrs |= A_BOLD);
226 CASE(4, t->curattrs |= A_UNDERLINE);
227 CASE(5, t->curattrs |= A_BLINK);
228 CASE(6, t->curattrs |= A_BLINK);
229 CASE(7, t->curattrs |= A_REVERSE);
230 CASE(8, t->curattrs |= A_INVIS);
231 CASE(22, t->curattrs &= ~A_BOLD);
232 CASE(24, t->curattrs &= ~A_UNDERLINE);
233 CASE(25, t->curattrs &= ~A_BLINK);
234 CASE(27, t->curattrs &= ~A_REVERSE);
235 CASE(28, t->curattrs &= ~A_INVIS);
237 case 30 ... 37: /* fg */
239 t->curattrs &= ~0xf0;
240 t->curattrs |= (param[i] + 1 - 30) << 4;
243 t->curattrs |= (7 - (param[i] - 30)) << 3;
248 t->curattrs &= has_default ? ~0xf0 : ~070;
251 case 40 ... 47: /* bg */
253 t->curattrs &= ~0x0f;
254 t->curattrs |= (param[i] + 1 - 40);
257 t->curattrs |= (param[i] - 40);
262 t->curattrs &= has_default ? ~0x0f : ~007;
271 /* interprets an 'erase display' (ED) escape sequence */
272 static void interpret_csi_ED(madtty_t *t, int param[], int pcount)
274 t_row_t *row, *start, *end;
275 attr_t attr = build_attrs(t->curattrs);
278 if (pcount && param[0] == 2) {
280 end = t->lines + t->rows;
282 if (pcount && param[0] == 1) {
285 t_row_set(t->curs_row, 0, t->curs_col + 1, attr);
287 t_row_set(t->curs_row, t->curs_col,
288 t->cols - t->curs_col, attr);
289 start = t->curs_row + 1;
290 end = t->lines + t->rows;
293 for (row = start; row < end; row++) {
294 t_row_set(row, 0, t->cols, attr);
298 /* interprets a 'move cursor' (CUP) escape sequence */
299 static void interpret_csi_CUP(madtty_t *t, int param[], int pcount)
303 t->curs_row = t->lines;
308 return; /* malformed */
311 t->curs_row = t->lines + param[0] - 1;
312 t->curs_col = param[1] - 1;
314 clamp_cursor_to_bounds(t);
317 /* Interpret the 'relative mode' sequences: CUU, CUD, CUF, CUB, CNL,
318 * CPL, CHA, HPR, VPA, VPR, HPA */
320 interpret_csi_C(madtty_t *t, char verb, int param[], int pcount)
322 int n = (pcount && param[0] > 0) ? param[0] : 1;
325 case 'A': t->curs_row -= n; break;
326 case 'B': case 'e': t->curs_row += n; break;
327 case 'C': case 'a': t->curs_col += n; break;
328 case 'D': t->curs_col -= n; break;
329 case 'E': t->curs_row += n; t->curs_col = 0; break;
330 case 'F': t->curs_row -= n; t->curs_col = 0; break;
331 case 'G': case '`': t->curs_col = param[0] - 1; break;
332 case 'd': t->curs_row = t->lines + param[0] - 1; break;
335 clamp_cursor_to_bounds(t);
338 /* Interpret the 'erase line' escape sequence */
339 static void interpret_csi_EL(madtty_t *t, int param[], int pcount)
341 attr_t attr = build_attrs(t->curattrs);
343 switch (pcount ? param[0] : 0) {
345 t_row_set(t->curs_row, 0, t->curs_col + 1, attr);
348 t_row_set(t->curs_row, 0, t->cols, attr);
351 t_row_set(t->curs_row, t->curs_col, t->cols - t->curs_col,
357 /* Interpret the 'insert blanks' sequence (ICH) */
358 static void interpret_csi_ICH(madtty_t *t, int param[], int pcount)
360 t_row_t *row = t->curs_row;
361 int n = (pcount && param[0] > 0) ? param[0] : 1;
364 if (t->curs_col + n > t->cols) {
365 n = t->cols - t->curs_col;
368 for (i = t->cols - 1; i >= t->curs_col + n; i--) {
369 row->text[i] = row->text[i - n];
370 row->attr[i] = row->attr[i - n];
373 t_row_set(row, t->curs_col, n, build_attrs(t->curattrs));
376 /* Interpret the 'delete chars' sequence (DCH) */
377 static void interpret_csi_DCH(madtty_t *t, int param[], int pcount)
379 t_row_t *row = t->curs_row;
380 int n = (pcount && param[0] > 0) ? param[0] : 1;
383 if (t->curs_col + n > t->cols) {
384 n = t->cols - t->curs_col;
387 for (i = t->curs_col; i < t->cols - n; i++) {
388 row->text[i] = row->text[i + n];
389 row->attr[i] = row->attr[i + n];
392 t_row_set(row, t->cols - n, n, build_attrs(t->curattrs));
395 /* Interpret a 'scroll reverse' (SR) */
396 static void interpret_csi_SR(madtty_t *t)
398 t_row_roll(t->scroll_top, t->scroll_bot, -1);
399 t_row_set(t->scroll_top, 0, t->cols, build_attrs(t->curattrs));
402 /* Interpret an 'insert line' sequence (IL) */
403 static void interpret_csi_IL(madtty_t *t, int param[], int pcount)
405 int n = (pcount && param[0] > 0) ? param[0] : 1;
407 if (t->curs_row + n >= t->scroll_bot) {
408 for (t_row_t *row = t->curs_row; row < t->scroll_bot; row++) {
409 t_row_set(row, 0, t->cols, build_attrs(t->curattrs));
412 t_row_roll(t->curs_row, t->scroll_bot, -n);
413 for (t_row_t *row = t->curs_row; row < t->curs_row + n; row++) {
414 t_row_set(row, 0, t->cols, build_attrs(t->curattrs));
419 /* Interpret a 'delete line' sequence (DL) */
420 static void interpret_csi_DL(madtty_t *t, int param[], int pcount)
422 int n = (pcount && param[0] > 0) ? param[0] : 1;
424 if (t->curs_row + n >= t->scroll_bot) {
425 for (t_row_t *row = t->curs_row; row < t->scroll_bot; row++) {
426 t_row_set(row, 0, t->cols, build_attrs(t->curattrs));
429 t_row_roll(t->curs_row, t->scroll_bot, n);
430 for (t_row_t *row = t->scroll_bot - n; row < t->scroll_bot; row++) {
431 t_row_set(row, 0, t->cols, build_attrs(t->curattrs));
436 /* Interpret an 'erase characters' (ECH) sequence */
437 static void interpret_csi_ECH(madtty_t *t, int param[], int pcount)
439 int n = (pcount && param[0] > 0) ? param[0] : 1;
441 if (t->curs_col + n < t->cols) {
442 n = t->cols - t->curs_col;
444 t_row_set(t->curs_row, t->curs_col, n, build_attrs(t->curattrs));
447 /* Interpret a 'set scrolling region' (DECSTBM) sequence */
448 static void interpret_csi_DECSTBM(madtty_t *t, int param[], int pcount)
450 int new_top, new_bot;
454 t->scroll_top = t->lines;
455 t->scroll_bot = t->lines + t->rows;
458 return; /* malformed */
461 new_top = param[0] - 1;
464 /* clamp to bounds */
467 if (new_top >= t->rows)
468 new_top = t->rows - 1;
471 if (new_bot >= t->rows)
474 /* check for range validity */
475 if (new_top < new_bot) {
476 t->scroll_top = t->lines + new_top;
477 t->scroll_bot = t->lines + new_bot;
483 static void es_interpret_csi(madtty_t *t)
485 static int csiparam[BUFSIZ];
487 const char *p = t->ebuf + 1;
488 char verb = t->ebuf[t->elen - 1];
490 p += t->ebuf[1] == '?'; /* CSI private mode */
492 /* parse numeric parameters */
493 while (isdigit((unsigned char)*p) || *p == ';') {
495 if (param_count >= (int)sizeof(csiparam))
496 return; /* too long! */
497 csiparam[param_count++] = 0;
499 if (param_count == 0) csiparam[param_count++] = 0;
500 csiparam[param_count - 1] *= 10;
501 csiparam[param_count - 1] += *p - '0';
507 if (t->ebuf[1] == '?') {
510 if (csiparam[0] == 25)
515 if (csiparam[0] == 25)
521 /* delegate handling depending on command character (verb) */
524 if (param_count == 1 && csiparam[0] == 4) /* insert mode */
528 if (param_count == 1 && csiparam[0] == 4) /* replace mode */
531 case 'm': /* it's a 'set attribute' sequence */
532 interpret_csi_SGR(t, csiparam, param_count); break;
533 case 'J': /* it's an 'erase display' sequence */
534 interpret_csi_ED(t, csiparam, param_count); break;
535 case 'H': case 'f': /* it's a 'move cursor' sequence */
536 interpret_csi_CUP(t, csiparam, param_count); break;
537 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
538 case 'e': case 'a': case 'd': case '`':
539 /* it is a 'relative move' */
540 interpret_csi_C(t, verb, csiparam, param_count); break;
541 case 'K': /* erase line */
542 interpret_csi_EL(t, csiparam, param_count); break;
543 case '@': /* insert characters */
544 interpret_csi_ICH(t, csiparam, param_count); break;
545 case 'P': /* delete characters */
546 interpret_csi_DCH(t, csiparam, param_count); break;
547 case 'L': /* insert lines */
548 interpret_csi_IL(t, csiparam, param_count); break;
549 case 'M': /* delete lines */
550 interpret_csi_DL(t, csiparam, param_count); break;
551 case 'X': /* erase chars */
552 interpret_csi_ECH(t, csiparam, param_count); break;
553 case 'r': /* set scrolling region */
554 interpret_csi_DECSTBM(t, csiparam, param_count); break;
555 case 's': /* save cursor location */
556 t->curs_srow = t->curs_row - t->lines;
557 t->curs_scol = t->curs_col;
559 case 'u': /* restore cursor location */
560 t->curs_row = t->lines + t->curs_srow;
561 t->curs_col = t->curs_scol;
562 clamp_cursor_to_bounds(t);
569 static void try_interpret_escape_seq(madtty_t *t)
571 char lastchar = t->ebuf[t->elen-1];
579 cancel_escape_sequence(t);
588 case ']': /* xterm thing */
589 if (lastchar == '\a')
597 if (is_valid_csi_ender(lastchar)) {
599 cancel_escape_sequence(t);
605 if (t->elen + 1 >= (int)sizeof(t->ebuf)) {
607 cancel_escape_sequence(t);
611 static void madtty_process_nonprinting(madtty_t *t, wchar_t wc)
615 new_escape_sequence(t);
619 /* do nothing for now... maybe a visual bell would be nice? */
627 case C0_HT: /* tab */
628 t->curs_col = (t->curs_col + 8) & ~7;
629 if (t->curs_col >= t->cols)
630 t->curs_col = t->cols - 1;
643 case C0_SO: /* shift out - acs */
646 case C0_SI: /* shift in - acs */
647 t->graphmode = false;
652 // vt100 special graphics and line drawing
653 // 5f-7e standard vt100
654 // 40-5e rxvt extension for extra curses acs chars
655 static uint16_t const vt100_0[62] = { // 41 .. 7e
656 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
657 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
658 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
659 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
660 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
661 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
662 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
663 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
666 static void madtty_putc(madtty_t *t, wchar_t wc)
670 if (!t->seen_input) {
672 kill(-t->childpid, SIGWINCH);
676 assert (t->elen + 1 < (int)sizeof(t->ebuf));
677 t->ebuf[t->elen] = wc;
678 t->ebuf[++t->elen] = '\0';
679 try_interpret_escape_seq(t);
680 } else if (IS_CONTROL(wc)) {
681 madtty_process_nonprinting(t, wc);
686 if (wc >= 0x41 && wc <= 0x7e && vt100_0[wc - 0x41]) {
687 wc = vt100_0[wc - 0x41];
691 width = wcwidth(wc) ?: 1;
694 if (width == 2 && t->curs_col == t->cols - 1) {
697 tmp->text[t->curs_col] = 0;
698 tmp->attr[t->curs_col] = build_attrs(t->curattrs);
702 if (t->curs_col >= t->cols) {
711 wmemmove(tmp->text + t->curs_col + width, tmp->text + t->curs_col,
712 (t->cols - t->curs_col - width));
713 memmove(tmp->attr + t->curs_col + width, tmp->attr + t->curs_col,
714 (t->cols - t->curs_col - width) * sizeof(tmp->attr[0]));
717 tmp->text[t->curs_col] = wc;
718 tmp->attr[t->curs_col] = build_attrs(t->curattrs);
721 tmp->text[t->curs_col] = 0;
722 tmp->attr[t->curs_col] = build_attrs(t->curattrs);
728 int madtty_process(madtty_t *t)
737 res = read(t->pty, t->rbuf + t->rlen, sizeof(t->rbuf) - t->rlen);
742 while (pos < t->rlen) {
746 len = (ssize_t)mbrtowc(&wc, t->rbuf + pos, t->rlen - pos, &t->ps);
749 memmove(t->rbuf, t->rbuf + pos, t->rlen);
758 pos += len ? len : 1;
763 memmove(t->rbuf, t->rbuf + pos, t->rlen);
767 madtty_t *madtty_create(int rows, int cols)
772 if (rows <= 0 || cols <= 0)
775 t = (madtty_t*)calloc(sizeof(madtty_t), 1);
779 /* record dimensions */
783 /* default mode is replace */
786 /* create the cell matrix */
787 t->lines = (t_row_t*)calloc(sizeof(t_row_t), t->rows);
788 for (i = 0; i < t->rows; i++) {
789 t->lines[i].text = (wchar_t *)calloc(sizeof(wchar_t), t->cols);
790 t->lines[i].attr = (uint16_t *)calloc(sizeof(uint16_t), t->cols);
793 t->pty = -1; /* no pty for now */
795 /* initialization of other public fields */
796 t->curs_row = t->lines;
798 t->curattrs = A_NORMAL; /* white text over black background */
800 /* initial scrolling area is the whole window */
801 t->scroll_top = t->lines;
802 t->scroll_bot = t->lines + t->rows;
807 void madtty_resize(madtty_t *t, int rows, int cols)
809 struct winsize ws = { .ws_row = rows, .ws_col = cols };
810 t_row_t *lines = t->lines;
812 if (rows <= 0 || cols <= 0)
815 if (t->rows != rows) {
816 while (t->rows > rows) {
817 free(lines[t->rows - 1].text);
818 free(lines[t->rows - 1].attr);
822 lines = realloc(lines, sizeof(t_row_t) * rows);
825 if (t->cols != cols) {
826 for (int row = 0; row < t->rows; row++) {
827 lines[row].text = realloc(lines[row].text, sizeof(wchar_t) * cols);
828 lines[row].attr = realloc(lines[row].attr, sizeof(uint16_t) * cols);
830 t_row_set(lines + row, t->cols, cols - t->cols, 0);
835 while (t->rows < rows) {
836 lines[t->rows].text = (wchar_t *)calloc(sizeof(wchar_t), cols);
837 lines[t->rows].attr = (uint16_t *)calloc(sizeof(uint16_t), cols);
841 t->curs_row += lines - t->lines;
842 t->scroll_top += lines - t->lines;
843 t->scroll_bot += lines - t->lines;
844 if (t->scroll_bot > lines + t->rows)
845 t->scroll_bot = lines + t->rows;
847 clamp_cursor_to_bounds(t);
848 ioctl(t->pty, TIOCSWINSZ, &ws);
849 kill(-t->childpid, SIGWINCH);
852 void madtty_destroy(madtty_t *t)
858 for (i = 0; i < t->rows; i++) {
859 free(t->lines[i].text);
860 free(t->lines[i].attr);
866 void madtty_draw(madtty_t *t, WINDOW *win, int srow, int scol)
869 for (int i = 0; i < t->rows; i++) {
870 t_row_t *row = t->lines + i;
876 wmove(win, srow + i, scol);
877 for (int j = 0; j < t->cols; j++) {
878 if (!j || row->attr[j] != row->attr[j - 1])
879 wattrset(win, (attr_t)row->attr[j] << NCURSES_ATTR_SHIFT);
880 if (row->text[j] >= 128) {
881 char buf[MB_CUR_MAX + 1];
884 len = wcrtomb(buf, row->text[j], NULL);
885 waddnstr(win, buf, len);
886 if (wcwidth(row->text[j]) > 1)
889 waddch(win, row->text[j] > ' ' ? row->text[j] : ' ');
895 wmove(win, srow + t->curs_row - t->lines, scol + t->curs_col);
896 curs_set(!t->curshid);
899 /******************************************************/
901 pid_t madtty_forkpty(madtty_t *t, const char *p, const char *argv[], int *pty)
908 ws.ws_xpixel = ws.ws_ypixel = 0;
910 pid = forkpty(&t->pty, NULL, NULL, &ws);
916 setenv("TERM", "rxvt", 1);
917 execv(p, (char *const*)argv);
918 fprintf(stderr, "\nexecv() failed.\nCommand: '%s'\n", argv[0]);
924 return t->childpid = pid;
927 int madtty_getpty(madtty_t *t)
932 void madtty_keypress(madtty_t *t, int keycode)
934 char c = (char)keycode;
938 if (keycode >= 0 && keycode < KEY_MAX && keytable[keycode]) {
939 buf = keytable[keycode];
940 len = strlen(keytable[keycode]);
947 int res = write(t->pty, buf, len);
948 if (res < 0 && errno != EAGAIN && errno != EINTR)
956 void madtty_init_colors(void)
958 if (COLOR_PAIRS > 64) {
959 use_default_colors();
960 assume_default_colors(-1, -1);
963 for (int bg = -1; bg < 8; bg++) {
964 for (int fg = -1; fg < 8; fg++) {
965 init_pair((fg + 1) * 16 + bg + 1, fg, bg);
969 for (int bg = 0; bg < 8; bg++) {
970 for (int fg = 0; fg < 8; fg++) {
971 init_pair((7 - fg) * 8 + bg, fg, bg);
977 int madtty_color_pair(int fg, int bg)
984 return COLOR_PAIR((fg + 1) * 16 + bg + 1);
990 return COLOR_PAIR((7 - fg) * 8 + bg);