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[11~",
114 [KEY_F(2)] = "\e[12~",
115 [KEY_F(3)] = "\e[13~",
116 [KEY_F(4)] = "\e[14~",
117 [KEY_F(5)] = "\e[15~",
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~",
123 [KEY_F(11)] = "\e[23~",
124 [KEY_F(12)] = "\e[24~",
125 [KEY_F(13)] = "\e[25~",
126 [KEY_F(14)] = "\e[26~",
127 [KEY_F(15)] = "\e[28~",
128 [KEY_F(16)] = "\e[29~",
129 [KEY_F(17)] = "\e[31~",
130 [KEY_F(18)] = "\e[32~",
131 [KEY_F(19)] = "\e[33~",
132 [KEY_F(20)] = "\e[34~",
135 static void t_row_set(t_row_t *row, int start, int len, uint16_t attr)
138 wmemset(row->text + start, 0, len);
139 for (int i = start; i < len + start; i++) {
144 static void t_row_roll(t_row_t *start, t_row_t *end, int count)
153 t_row_t *buf = alloca(count * sizeof(t_row_t));
155 memcpy(buf, start, count * sizeof(t_row_t));
156 memmove(start, start + count, (n - count) * sizeof(t_row_t));
157 memcpy(end - count, buf, count * sizeof(t_row_t));
158 for (t_row_t *row = start; row < end; row++) {
164 static void clamp_cursor_to_bounds(madtty_t *t)
166 if (t->curs_row < t->lines) {
167 t->curs_row = t->lines;
169 if (t->curs_row >= t->lines + t->rows) {
170 t->curs_row = t->lines + t->rows - 1;
173 if (t->curs_col < 0) {
176 if (t->curs_col >= t->cols) {
177 t->curs_col = t->cols - 1;
181 static void cursor_line_down(madtty_t *t)
184 if (t->curs_row < t->scroll_bot)
187 t->curs_row = t->scroll_bot - 1;
188 t_row_roll(t->scroll_top, t->scroll_bot, 1);
189 t_row_set(t->curs_row, 0, t->cols, 0);
192 __attribute__((const))
193 static uint16_t build_attrs(unsigned curattrs)
195 return ((curattrs & ~A_COLOR) | COLOR_PAIR(curattrs & 0xff))
196 >> NCURSES_ATTR_SHIFT;
199 static void new_escape_sequence(madtty_t *t)
206 static void cancel_escape_sequence(madtty_t *t)
213 static bool is_valid_csi_ender(int c)
215 return (c >= 'a' && c <= 'z')
216 || (c >= 'A' && c <= 'Z')
217 || (c == '@' || c == '`');
220 /* interprets a 'set attribute' (SGR) CSI escape sequence */
221 static void interpret_csi_SGR(madtty_t *t, int param[], int pcount)
226 /* special case: reset attributes */
227 t->curattrs = A_NORMAL;
231 for (i = 0; i < pcount; i++) {
233 #define CASE(x, op) case x: op; break
234 CASE(0, t->curattrs = A_NORMAL);
235 CASE(1, t->curattrs |= A_BOLD);
236 CASE(4, t->curattrs |= A_UNDERLINE);
237 CASE(5, t->curattrs |= A_BLINK);
238 CASE(6, t->curattrs |= A_BLINK);
239 CASE(7, t->curattrs |= A_REVERSE);
240 CASE(8, t->curattrs |= A_INVIS);
241 CASE(22, t->curattrs &= ~A_BOLD);
242 CASE(24, t->curattrs &= ~A_UNDERLINE);
243 CASE(25, t->curattrs &= ~A_BLINK);
244 CASE(27, t->curattrs &= ~A_REVERSE);
245 CASE(28, t->curattrs &= ~A_INVIS);
247 case 30 ... 37: /* fg */
249 t->curattrs &= ~0xf0;
250 t->curattrs |= (param[i] + 1 - 30) << 4;
253 t->curattrs |= (7 - (param[i] - 30)) << 3;
258 t->curattrs &= has_default ? ~0xf0 : ~070;
261 case 40 ... 47: /* bg */
263 t->curattrs &= ~0x0f;
264 t->curattrs |= (param[i] + 1 - 40);
267 t->curattrs |= (param[i] - 40);
272 t->curattrs &= has_default ? ~0x0f : ~007;
281 /* interprets an 'erase display' (ED) escape sequence */
282 static void interpret_csi_ED(madtty_t *t, int param[], int pcount)
284 t_row_t *row, *start, *end;
285 attr_t attr = build_attrs(t->curattrs);
288 if (pcount && param[0] == 2) {
290 end = t->lines + t->rows;
292 if (pcount && param[0] == 1) {
295 t_row_set(t->curs_row, 0, t->curs_col + 1, attr);
297 t_row_set(t->curs_row, t->curs_col,
298 t->cols - t->curs_col, attr);
299 start = t->curs_row + 1;
300 end = t->lines + t->rows;
303 for (row = start; row < end; row++) {
304 t_row_set(row, 0, t->cols, attr);
308 /* interprets a 'move cursor' (CUP) escape sequence */
309 static void interpret_csi_CUP(madtty_t *t, int param[], int pcount)
313 t->curs_row = t->lines;
318 return; /* malformed */
321 t->curs_row = t->lines + param[0] - 1;
322 t->curs_col = param[1] - 1;
324 clamp_cursor_to_bounds(t);
327 /* Interpret the 'relative mode' sequences: CUU, CUD, CUF, CUB, CNL,
328 * CPL, CHA, HPR, VPA, VPR, HPA */
330 interpret_csi_C(madtty_t *t, char verb, int param[], int pcount)
332 int n = (pcount && param[0] > 0) ? param[0] : 1;
335 case 'A': t->curs_row -= n; break;
336 case 'B': case 'e': t->curs_row += n; break;
337 case 'C': case 'a': t->curs_col += n; break;
338 case 'D': t->curs_col -= n; break;
339 case 'E': t->curs_row += n; t->curs_col = 0; break;
340 case 'F': t->curs_row -= n; t->curs_col = 0; break;
341 case 'G': case '`': t->curs_col = param[0] - 1; break;
342 case 'd': t->curs_row = t->lines + param[0] - 1; break;
345 clamp_cursor_to_bounds(t);
348 /* Interpret the 'erase line' escape sequence */
349 static void interpret_csi_EL(madtty_t *t, int param[], int pcount)
351 attr_t attr = build_attrs(t->curattrs);
353 switch (pcount ? param[0] : 0) {
355 t_row_set(t->curs_row, 0, t->curs_col + 1, attr);
358 t_row_set(t->curs_row, 0, t->cols, attr);
361 t_row_set(t->curs_row, t->curs_col, t->cols - t->curs_col,
367 /* Interpret the 'insert blanks' sequence (ICH) */
368 static void interpret_csi_ICH(madtty_t *t, int param[], int pcount)
370 t_row_t *row = t->curs_row;
371 int n = (pcount && param[0] > 0) ? param[0] : 1;
374 if (t->curs_col + n > t->cols) {
375 n = t->cols - t->curs_col;
378 for (i = t->cols - 1; i >= t->curs_col + n; i--) {
379 row->text[i] = row->text[i - n];
380 row->attr[i] = row->attr[i - n];
383 t_row_set(row, t->curs_col, n, build_attrs(t->curattrs));
386 /* Interpret the 'delete chars' sequence (DCH) */
387 static void interpret_csi_DCH(madtty_t *t, int param[], int pcount)
389 t_row_t *row = t->curs_row;
390 int n = (pcount && param[0] > 0) ? param[0] : 1;
393 if (t->curs_col + n > t->cols) {
394 n = t->cols - t->curs_col;
397 for (i = t->curs_col; i < t->cols - n; i++) {
398 row->text[i] = row->text[i + n];
399 row->attr[i] = row->attr[i + n];
402 t_row_set(row, t->cols - n, n, build_attrs(t->curattrs));
405 /* Interpret a 'scroll reverse' (SR) */
406 static void interpret_csi_SR(madtty_t *t)
408 t_row_roll(t->scroll_top, t->scroll_bot, -1);
409 t_row_set(t->scroll_top, 0, t->cols, build_attrs(t->curattrs));
412 /* Interpret an 'insert line' sequence (IL) */
413 static void interpret_csi_IL(madtty_t *t, int param[], int pcount)
415 int n = (pcount && param[0] > 0) ? param[0] : 1;
417 if (t->curs_row + n >= t->scroll_bot) {
418 for (t_row_t *row = t->curs_row; row < t->scroll_bot; row++) {
419 t_row_set(row, 0, t->cols, build_attrs(t->curattrs));
422 t_row_roll(t->curs_row, t->scroll_bot, -n);
423 for (t_row_t *row = t->curs_row; row < t->curs_row + n; row++) {
424 t_row_set(row, 0, t->cols, build_attrs(t->curattrs));
429 /* Interpret a 'delete line' sequence (DL) */
430 static void interpret_csi_DL(madtty_t *t, int param[], int pcount)
432 int n = (pcount && param[0] > 0) ? param[0] : 1;
434 if (t->curs_row + n >= t->scroll_bot) {
435 for (t_row_t *row = t->curs_row; row < t->scroll_bot; row++) {
436 t_row_set(row, 0, t->cols, build_attrs(t->curattrs));
439 t_row_roll(t->curs_row, t->scroll_bot, n);
440 for (t_row_t *row = t->scroll_bot - n; row < t->scroll_bot; row++) {
441 t_row_set(row, 0, t->cols, build_attrs(t->curattrs));
446 /* Interpret an 'erase characters' (ECH) sequence */
447 static void interpret_csi_ECH(madtty_t *t, int param[], int pcount)
449 int n = (pcount && param[0] > 0) ? param[0] : 1;
451 if (t->curs_col + n < t->cols) {
452 n = t->cols - t->curs_col;
454 t_row_set(t->curs_row, t->curs_col, n, build_attrs(t->curattrs));
457 /* Interpret a 'set scrolling region' (DECSTBM) sequence */
458 static void interpret_csi_DECSTBM(madtty_t *t, int param[], int pcount)
460 int new_top, new_bot;
464 t->scroll_top = t->lines;
465 t->scroll_bot = t->lines + t->rows;
468 return; /* malformed */
471 new_top = param[0] - 1;
474 /* clamp to bounds */
477 if (new_top >= t->rows)
478 new_top = t->rows - 1;
481 if (new_bot >= t->rows)
484 /* check for range validity */
485 if (new_top < new_bot) {
486 t->scroll_top = t->lines + new_top;
487 t->scroll_bot = t->lines + new_bot;
493 static void es_interpret_csi(madtty_t *t)
495 static int csiparam[BUFSIZ];
497 const char *p = t->ebuf + 1;
498 char verb = t->ebuf[t->elen - 1];
500 p += t->ebuf[1] == '?'; /* CSI private mode */
502 /* parse numeric parameters */
503 while (isdigit((unsigned char)*p) || *p == ';') {
505 if (param_count >= (int)sizeof(csiparam))
506 return; /* too long! */
507 csiparam[param_count++] = 0;
509 if (param_count == 0) csiparam[param_count++] = 0;
510 csiparam[param_count - 1] *= 10;
511 csiparam[param_count - 1] += *p - '0';
517 if (t->ebuf[1] == '?') {
520 if (csiparam[0] == 25)
525 if (csiparam[0] == 25)
531 /* delegate handling depending on command character (verb) */
534 if (param_count == 1 && csiparam[0] == 4) /* insert mode */
538 if (param_count == 1 && csiparam[0] == 4) /* replace mode */
541 case 'm': /* it's a 'set attribute' sequence */
542 interpret_csi_SGR(t, csiparam, param_count); break;
543 case 'J': /* it's an 'erase display' sequence */
544 interpret_csi_ED(t, csiparam, param_count); break;
545 case 'H': case 'f': /* it's a 'move cursor' sequence */
546 interpret_csi_CUP(t, csiparam, param_count); break;
547 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
548 case 'e': case 'a': case 'd': case '`':
549 /* it is a 'relative move' */
550 interpret_csi_C(t, verb, csiparam, param_count); break;
551 case 'K': /* erase line */
552 interpret_csi_EL(t, csiparam, param_count); break;
553 case '@': /* insert characters */
554 interpret_csi_ICH(t, csiparam, param_count); break;
555 case 'P': /* delete characters */
556 interpret_csi_DCH(t, csiparam, param_count); break;
557 case 'L': /* insert lines */
558 interpret_csi_IL(t, csiparam, param_count); break;
559 case 'M': /* delete lines */
560 interpret_csi_DL(t, csiparam, param_count); break;
561 case 'X': /* erase chars */
562 interpret_csi_ECH(t, csiparam, param_count); break;
563 case 'r': /* set scrolling region */
564 interpret_csi_DECSTBM(t, csiparam, param_count); break;
565 case 's': /* save cursor location */
566 t->curs_srow = t->curs_row - t->lines;
567 t->curs_scol = t->curs_col;
569 case 'u': /* restore cursor location */
570 t->curs_row = t->lines + t->curs_srow;
571 t->curs_col = t->curs_scol;
572 clamp_cursor_to_bounds(t);
579 static void try_interpret_escape_seq(madtty_t *t)
581 char lastchar = t->ebuf[t->elen-1];
589 cancel_escape_sequence(t);
598 case ']': /* xterm thing */
599 if (lastchar == '\a')
607 if (is_valid_csi_ender(lastchar)) {
609 cancel_escape_sequence(t);
615 if (t->elen + 1 >= (int)sizeof(t->ebuf)) {
617 cancel_escape_sequence(t);
621 static void madtty_process_nonprinting(madtty_t *t, wchar_t wc)
625 new_escape_sequence(t);
629 /* do nothing for now... maybe a visual bell would be nice? */
637 case C0_HT: /* tab */
638 t->curs_col = (t->curs_col + 8) & ~7;
639 if (t->curs_col >= t->cols)
640 t->curs_col = t->cols - 1;
653 case C0_SO: /* shift out - acs */
656 case C0_SI: /* shift in - acs */
657 t->graphmode = false;
662 // vt100 special graphics and line drawing
663 // 5f-7e standard vt100
664 // 40-5e rxvt extension for extra curses acs chars
665 static uint16_t const vt100_0[62] = { // 41 .. 7e
666 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
667 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
668 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
669 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
670 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
671 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
672 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
673 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
676 static void madtty_putc(madtty_t *t, wchar_t wc)
680 if (!t->seen_input) {
682 kill(-t->childpid, SIGWINCH);
686 assert (t->elen + 1 < (int)sizeof(t->ebuf));
687 t->ebuf[t->elen] = wc;
688 t->ebuf[++t->elen] = '\0';
689 try_interpret_escape_seq(t);
690 } else if (IS_CONTROL(wc)) {
691 madtty_process_nonprinting(t, wc);
696 if (wc >= 0x41 && wc <= 0x7e && vt100_0[wc - 0x41]) {
697 wc = vt100_0[wc - 0x41];
701 width = wcwidth(wc) ?: 1;
704 if (width == 2 && t->curs_col == t->cols - 1) {
707 tmp->text[t->curs_col] = 0;
708 tmp->attr[t->curs_col] = build_attrs(t->curattrs);
712 if (t->curs_col >= t->cols) {
721 wmemmove(tmp->text + t->curs_col + width, tmp->text + t->curs_col,
722 (t->cols - t->curs_col - width));
723 memmove(tmp->attr + t->curs_col + width, tmp->attr + t->curs_col,
724 (t->cols - t->curs_col - width) * sizeof(tmp->attr[0]));
727 tmp->text[t->curs_col] = wc;
728 tmp->attr[t->curs_col] = build_attrs(t->curattrs);
731 tmp->text[t->curs_col] = 0;
732 tmp->attr[t->curs_col] = build_attrs(t->curattrs);
738 int madtty_process(madtty_t *t)
747 res = read(t->pty, t->rbuf + t->rlen, sizeof(t->rbuf) - t->rlen);
752 while (pos < t->rlen) {
756 len = (ssize_t)mbrtowc(&wc, t->rbuf + pos, t->rlen - pos, &t->ps);
759 memmove(t->rbuf, t->rbuf + pos, t->rlen);
768 pos += len ? len : 1;
773 memmove(t->rbuf, t->rbuf + pos, t->rlen);
777 madtty_t *madtty_create(int rows, int cols)
782 if (rows <= 0 || cols <= 0)
785 t = (madtty_t*)calloc(sizeof(madtty_t), 1);
789 /* record dimensions */
793 /* default mode is replace */
796 /* create the cell matrix */
797 t->lines = (t_row_t*)calloc(sizeof(t_row_t), t->rows);
798 for (i = 0; i < t->rows; i++) {
799 t->lines[i].text = (wchar_t *)calloc(sizeof(wchar_t), t->cols);
800 t->lines[i].attr = (uint16_t *)calloc(sizeof(uint16_t), t->cols);
803 t->pty = -1; /* no pty for now */
805 /* initialization of other public fields */
806 t->curs_row = t->lines;
808 t->curattrs = A_NORMAL; /* white text over black background */
810 /* initial scrolling area is the whole window */
811 t->scroll_top = t->lines;
812 t->scroll_bot = t->lines + t->rows;
817 void madtty_resize(madtty_t *t, int rows, int cols)
819 struct winsize ws = { .ws_row = rows, .ws_col = cols };
820 t_row_t *lines = t->lines;
822 if (rows <= 0 || cols <= 0)
825 if (t->rows != rows) {
826 while (t->rows > rows) {
827 free(lines[t->rows - 1].text);
828 free(lines[t->rows - 1].attr);
832 lines = realloc(lines, sizeof(t_row_t) * rows);
835 if (t->cols != cols) {
836 for (int row = 0; row < t->rows; row++) {
837 lines[row].text = realloc(lines[row].text, sizeof(wchar_t) * cols);
838 lines[row].attr = realloc(lines[row].attr, sizeof(uint16_t) * cols);
840 t_row_set(lines + row, t->cols, cols - t->cols, 0);
845 while (t->rows < rows) {
846 lines[t->rows].text = (wchar_t *)calloc(sizeof(wchar_t), cols);
847 lines[t->rows].attr = (uint16_t *)calloc(sizeof(uint16_t), cols);
851 t->curs_row += lines - t->lines;
852 t->scroll_top += lines - t->lines;
853 t->scroll_bot += lines - t->lines;
854 if (t->scroll_bot > lines + t->rows)
855 t->scroll_bot = lines + t->rows;
857 clamp_cursor_to_bounds(t);
858 ioctl(t->pty, TIOCSWINSZ, &ws);
859 kill(-t->childpid, SIGWINCH);
862 void madtty_destroy(madtty_t *t)
868 for (i = 0; i < t->rows; i++) {
869 free(t->lines[i].text);
870 free(t->lines[i].attr);
876 void madtty_draw(madtty_t *t, WINDOW *win, int srow, int scol)
879 for (int i = 0; i < t->rows; i++) {
880 t_row_t *row = t->lines + i;
886 wmove(win, srow + i, scol);
887 for (int j = 0; j < t->cols; j++) {
888 if (!j || row->attr[j] != row->attr[j - 1])
889 wattrset(win, (attr_t)row->attr[j] << NCURSES_ATTR_SHIFT);
890 if (row->text[j] >= 128) {
891 char buf[MB_CUR_MAX + 1];
894 len = wcrtomb(buf, row->text[j], NULL);
895 waddnstr(win, buf, len);
896 if (wcwidth(row->text[j]) > 1)
899 waddch(win, row->text[j] > ' ' ? row->text[j] : ' ');
905 wmove(win, srow + t->curs_row - t->lines, scol + t->curs_col);
906 curs_set(!t->curshid);
909 /******************************************************/
911 pid_t madtty_forkpty(madtty_t *t, const char *p, const char *argv[], int *pty)
918 ws.ws_xpixel = ws.ws_ypixel = 0;
920 pid = forkpty(&t->pty, NULL, NULL, &ws);
926 setenv("TERM", "rxvt", 1);
927 execv(p, (char *const*)argv);
928 fprintf(stderr, "\nexecv() failed.\nCommand: '%s'\n", argv[0]);
934 return t->childpid = pid;
937 int madtty_getpty(madtty_t *t)
942 void madtty_keypress(madtty_t *t, int keycode)
944 char c = (char)keycode;
948 if (keycode >= 0 && keycode < KEY_MAX && keytable[keycode]) {
949 buf = keytable[keycode];
950 len = strlen(keytable[keycode]);
957 int res = write(t->pty, buf, len);
958 if (res < 0 && errno != EAGAIN && errno != EINTR)
966 void madtty_init_colors(void)
968 if (COLOR_PAIRS > 64) {
969 use_default_colors();
972 for (int bg = -1; bg < 8; bg++) {
973 for (int fg = -1; fg < 8; fg++) {
974 init_pair((fg + 1) * 16 + bg + 1, fg, bg);
978 int use_default = use_default_colors() == OK;
979 for (int bg = 0; bg < 8; bg++) {
980 for (int fg = 0; fg < 8; fg++) {
982 init_pair((7 - fg) * 8 + bg,
983 fg == COLOR_WHITE ? -1 : fg,
984 bg == COLOR_BLACK ? -1 : bg);
986 init_pair((7 - fg) * 8 + bg, fg, bg);
993 int madtty_color_pair(int fg, int bg)
1000 return COLOR_PAIR((fg + 1) * 16 + bg + 1);
1006 return COLOR_PAIR((7 - fg) * 8 + bg);