1186681Sed/*- 2186681Sed * Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org> 3186681Sed * All rights reserved. 4186681Sed * 5186681Sed * Redistribution and use in source and binary forms, with or without 6186681Sed * modification, are permitted provided that the following conditions 7186681Sed * are met: 8186681Sed * 1. Redistributions of source code must retain the above copyright 9186681Sed * notice, this list of conditions and the following disclaimer. 10186681Sed * 2. Redistributions in binary form must reproduce the above copyright 11186681Sed * notice, this list of conditions and the following disclaimer in the 12186681Sed * documentation and/or other materials provided with the distribution. 13186681Sed * 14186681Sed * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15186681Sed * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16186681Sed * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17186681Sed * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18186681Sed * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19186681Sed * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20186681Sed * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21186681Sed * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22186681Sed * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23186681Sed * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24186681Sed * SUCH DAMAGE. 25186681Sed * 26186681Sed * $FreeBSD: releng/11.0/sys/teken/teken.c 286827 2015-08-16 13:59:11Z ed $ 27186681Sed */ 28186681Sed 29186681Sed#include <sys/cdefs.h> 30186681Sed#if defined(__FreeBSD__) && defined(_KERNEL) 31186681Sed#include <sys/param.h> 32286798Sed#include <sys/limits.h> 33186681Sed#include <sys/lock.h> 34186681Sed#include <sys/systm.h> 35186681Sed#define teken_assert(x) MPASS(x) 36186681Sed#else /* !(__FreeBSD__ && _KERNEL) */ 37186681Sed#include <sys/types.h> 38186681Sed#include <assert.h> 39286798Sed#include <limits.h> 40206141Sed#include <stdint.h> 41186681Sed#include <stdio.h> 42186681Sed#include <string.h> 43186681Sed#define teken_assert(x) assert(x) 44186681Sed#endif /* __FreeBSD__ && _KERNEL */ 45186681Sed 46221698Sed/* debug messages */ 47221698Sed#define teken_printf(x,...) 48221698Sed 49186681Sed/* Private flags for t_stateflags. */ 50199171Sed#define TS_FIRSTDIGIT 0x0001 /* First numeric digit in escape sequence. */ 51199171Sed#define TS_INSERT 0x0002 /* Insert mode. */ 52199171Sed#define TS_AUTOWRAP 0x0004 /* Autowrap. */ 53199171Sed#define TS_ORIGIN 0x0008 /* Origin mode. */ 54199171Sed#define TS_WRAPPED 0x0010 /* Next character should be printed on col 0. */ 55199171Sed#define TS_8BIT 0x0020 /* UTF-8 disabled. */ 56199171Sed#define TS_CONS25 0x0040 /* cons25 emulation. */ 57199171Sed#define TS_INSTRING 0x0080 /* Inside string. */ 58199171Sed#define TS_CURSORKEYS 0x0100 /* Cursor keys mode. */ 59186681Sed 60186681Sed/* Character that blanks a cell. */ 61186681Sed#define BLANK ' ' 62186681Sed 63197470Sed#include "teken.h" 64197470Sed#include "teken_wcwidth.h" 65197470Sed#include "teken_scs.h" 66197470Sed 67186681Sedstatic teken_state_t teken_state_init; 68186681Sed 69186681Sed/* 70186681Sed * Wrappers for hooks. 71186681Sed */ 72186681Sed 73186681Sedstatic inline void 74186681Sedteken_funcs_bell(teken_t *t) 75186681Sed{ 76186681Sed 77186681Sed t->t_funcs->tf_bell(t->t_softc); 78186681Sed} 79186681Sed 80186681Sedstatic inline void 81186681Sedteken_funcs_cursor(teken_t *t) 82186681Sed{ 83186681Sed 84186681Sed teken_assert(t->t_cursor.tp_row < t->t_winsize.tp_row); 85186681Sed teken_assert(t->t_cursor.tp_col < t->t_winsize.tp_col); 86186681Sed 87186681Sed t->t_funcs->tf_cursor(t->t_softc, &t->t_cursor); 88186681Sed} 89186681Sed 90186681Sedstatic inline void 91186681Sedteken_funcs_putchar(teken_t *t, const teken_pos_t *p, teken_char_t c, 92186681Sed const teken_attr_t *a) 93186681Sed{ 94186681Sed 95186681Sed teken_assert(p->tp_row < t->t_winsize.tp_row); 96186681Sed teken_assert(p->tp_col < t->t_winsize.tp_col); 97186681Sed 98186681Sed t->t_funcs->tf_putchar(t->t_softc, p, c, a); 99186681Sed} 100186681Sed 101186681Sedstatic inline void 102186681Sedteken_funcs_fill(teken_t *t, const teken_rect_t *r, 103186681Sed const teken_char_t c, const teken_attr_t *a) 104186681Sed{ 105186681Sed 106186681Sed teken_assert(r->tr_end.tp_row > r->tr_begin.tp_row); 107186681Sed teken_assert(r->tr_end.tp_row <= t->t_winsize.tp_row); 108186681Sed teken_assert(r->tr_end.tp_col > r->tr_begin.tp_col); 109186681Sed teken_assert(r->tr_end.tp_col <= t->t_winsize.tp_col); 110186681Sed 111186681Sed t->t_funcs->tf_fill(t->t_softc, r, c, a); 112186681Sed} 113186681Sed 114186681Sedstatic inline void 115186681Sedteken_funcs_copy(teken_t *t, const teken_rect_t *r, const teken_pos_t *p) 116186681Sed{ 117186681Sed 118186681Sed teken_assert(r->tr_end.tp_row > r->tr_begin.tp_row); 119186681Sed teken_assert(r->tr_end.tp_row <= t->t_winsize.tp_row); 120186681Sed teken_assert(r->tr_end.tp_col > r->tr_begin.tp_col); 121186681Sed teken_assert(r->tr_end.tp_col <= t->t_winsize.tp_col); 122186681Sed teken_assert(p->tp_row + (r->tr_end.tp_row - r->tr_begin.tp_row) <= t->t_winsize.tp_row); 123186681Sed teken_assert(p->tp_col + (r->tr_end.tp_col - r->tr_begin.tp_col) <= t->t_winsize.tp_col); 124186681Sed 125186681Sed t->t_funcs->tf_copy(t->t_softc, r, p); 126186681Sed} 127186681Sed 128186681Sedstatic inline void 129193184Sedteken_funcs_param(teken_t *t, int cmd, unsigned int value) 130186681Sed{ 131186681Sed 132186681Sed t->t_funcs->tf_param(t->t_softc, cmd, value); 133186681Sed} 134186681Sed 135186681Sedstatic inline void 136186681Sedteken_funcs_respond(teken_t *t, const void *buf, size_t len) 137186681Sed{ 138186681Sed 139186681Sed t->t_funcs->tf_respond(t->t_softc, buf, len); 140186681Sed} 141186681Sed 142186681Sed#include "teken_subr.h" 143186681Sed#include "teken_subr_compat.h" 144186681Sed 145186681Sed/* 146186681Sed * Programming interface. 147186681Sed */ 148186681Sed 149186681Sedvoid 150186681Sedteken_init(teken_t *t, const teken_funcs_t *tf, void *softc) 151186681Sed{ 152186681Sed teken_pos_t tp = { .tp_row = 24, .tp_col = 80 }; 153186681Sed 154186681Sed t->t_funcs = tf; 155186681Sed t->t_softc = softc; 156186681Sed 157186681Sed t->t_nextstate = teken_state_init; 158197117Sed t->t_stateflags = 0; 159197117Sed t->t_utf8_left = 0; 160186681Sed 161186681Sed t->t_defattr.ta_format = 0; 162186681Sed t->t_defattr.ta_fgcolor = TC_WHITE; 163186681Sed t->t_defattr.ta_bgcolor = TC_BLACK; 164186681Sed teken_subr_do_reset(t); 165186681Sed 166186681Sed teken_set_winsize(t, &tp); 167186681Sed} 168186681Sed 169186681Sedstatic void 170186681Sedteken_input_char(teken_t *t, teken_char_t c) 171186681Sed{ 172186681Sed 173197853Sed /* 174197853Sed * There is no support for DCS and OSC. Just discard strings 175197853Sed * until we receive characters that may indicate string 176197853Sed * termination. 177197853Sed */ 178197853Sed if (t->t_stateflags & TS_INSTRING) { 179197853Sed switch (c) { 180197853Sed case '\x1B': 181197853Sed t->t_stateflags &= ~TS_INSTRING; 182197853Sed break; 183197853Sed case '\a': 184197853Sed t->t_stateflags &= ~TS_INSTRING; 185197853Sed return; 186197853Sed default: 187197853Sed return; 188197853Sed } 189197853Sed } 190197853Sed 191186681Sed switch (c) { 192186681Sed case '\0': 193186681Sed break; 194186681Sed case '\a': 195186681Sed teken_subr_bell(t); 196186681Sed break; 197186681Sed case '\b': 198186681Sed teken_subr_backspace(t); 199186681Sed break; 200186681Sed case '\n': 201186681Sed case '\x0B': 202186681Sed teken_subr_newline(t); 203186681Sed break; 204186798Sed case '\x0C': 205186798Sed teken_subr_newpage(t); 206186798Sed break; 207187469Sed case '\x0E': 208197117Sed if (t->t_stateflags & TS_CONS25) 209197117Sed t->t_nextstate(t, c); 210197117Sed else 211197520Sed t->t_curscs = 1; 212187469Sed break; 213187469Sed case '\x0F': 214197117Sed if (t->t_stateflags & TS_CONS25) 215197117Sed t->t_nextstate(t, c); 216197117Sed else 217197520Sed t->t_curscs = 0; 218187469Sed break; 219186681Sed case '\r': 220186681Sed teken_subr_carriage_return(t); 221186681Sed break; 222186681Sed case '\t': 223186681Sed teken_subr_horizontal_tab(t); 224186681Sed break; 225186681Sed default: 226186681Sed t->t_nextstate(t, c); 227186681Sed break; 228186681Sed } 229186681Sed 230186681Sed /* Post-processing assertions. */ 231186681Sed teken_assert(t->t_cursor.tp_row >= t->t_originreg.ts_begin); 232186681Sed teken_assert(t->t_cursor.tp_row < t->t_originreg.ts_end); 233186681Sed teken_assert(t->t_cursor.tp_row < t->t_winsize.tp_row); 234186681Sed teken_assert(t->t_cursor.tp_col < t->t_winsize.tp_col); 235186681Sed teken_assert(t->t_saved_cursor.tp_row < t->t_winsize.tp_row); 236186681Sed teken_assert(t->t_saved_cursor.tp_col < t->t_winsize.tp_col); 237186681Sed teken_assert(t->t_scrollreg.ts_end <= t->t_winsize.tp_row); 238186681Sed teken_assert(t->t_scrollreg.ts_begin < t->t_scrollreg.ts_end); 239186681Sed /* Origin region has to be window size or the same as scrollreg. */ 240186681Sed teken_assert((t->t_originreg.ts_begin == t->t_scrollreg.ts_begin && 241186681Sed t->t_originreg.ts_end == t->t_scrollreg.ts_end) || 242186681Sed (t->t_originreg.ts_begin == 0 && 243186681Sed t->t_originreg.ts_end == t->t_winsize.tp_row)); 244186681Sed} 245186681Sed 246186681Sedstatic void 247186681Sedteken_input_byte(teken_t *t, unsigned char c) 248186681Sed{ 249186681Sed 250186681Sed /* 251186681Sed * UTF-8 handling. 252186681Sed */ 253197117Sed if ((c & 0x80) == 0x00 || t->t_stateflags & TS_8BIT) { 254186681Sed /* One-byte sequence. */ 255186681Sed t->t_utf8_left = 0; 256186681Sed teken_input_char(t, c); 257186681Sed } else if ((c & 0xe0) == 0xc0) { 258186681Sed /* Two-byte sequence. */ 259186681Sed t->t_utf8_left = 1; 260186681Sed t->t_utf8_partial = c & 0x1f; 261186681Sed } else if ((c & 0xf0) == 0xe0) { 262186681Sed /* Three-byte sequence. */ 263186681Sed t->t_utf8_left = 2; 264186681Sed t->t_utf8_partial = c & 0x0f; 265186681Sed } else if ((c & 0xf8) == 0xf0) { 266186681Sed /* Four-byte sequence. */ 267186681Sed t->t_utf8_left = 3; 268186681Sed t->t_utf8_partial = c & 0x07; 269186681Sed } else if ((c & 0xc0) == 0x80) { 270186681Sed if (t->t_utf8_left == 0) 271186681Sed return; 272186681Sed t->t_utf8_left--; 273186681Sed t->t_utf8_partial = (t->t_utf8_partial << 6) | (c & 0x3f); 274186681Sed if (t->t_utf8_left == 0) { 275194293Sed teken_printf("Got UTF-8 char %x\n", t->t_utf8_partial); 276186681Sed teken_input_char(t, t->t_utf8_partial); 277186681Sed } 278186681Sed } 279186681Sed} 280186681Sed 281186681Sedvoid 282186681Sedteken_input(teken_t *t, const void *buf, size_t len) 283186681Sed{ 284186681Sed const char *c = buf; 285186681Sed 286186681Sed while (len-- > 0) 287186681Sed teken_input_byte(t, *c++); 288186681Sed} 289186681Sed 290197117Sedconst teken_pos_t * 291197117Sedteken_get_cursor(teken_t *t) 292197117Sed{ 293197117Sed 294197117Sed return (&t->t_cursor); 295197117Sed} 296197117Sed 297186681Sedvoid 298186681Sedteken_set_cursor(teken_t *t, const teken_pos_t *p) 299186681Sed{ 300186681Sed 301186681Sed /* XXX: bounds checking with originreg! */ 302186681Sed teken_assert(p->tp_row < t->t_winsize.tp_row); 303186681Sed teken_assert(p->tp_col < t->t_winsize.tp_col); 304186681Sed 305186681Sed t->t_cursor = *p; 306186681Sed} 307186681Sed 308188391Sedconst teken_attr_t * 309188391Sedteken_get_curattr(teken_t *t) 310188391Sed{ 311188391Sed 312188391Sed return (&t->t_curattr); 313188391Sed} 314188391Sed 315189617Sedvoid 316189617Sedteken_set_curattr(teken_t *t, const teken_attr_t *a) 317189617Sed{ 318189617Sed 319189617Sed t->t_curattr = *a; 320189617Sed} 321189617Sed 322188391Sedconst teken_attr_t * 323188391Sedteken_get_defattr(teken_t *t) 324188391Sed{ 325188391Sed 326188391Sed return (&t->t_defattr); 327188391Sed} 328188391Sed 329186681Sedvoid 330186681Sedteken_set_defattr(teken_t *t, const teken_attr_t *a) 331186681Sed{ 332186681Sed 333186681Sed t->t_curattr = t->t_saved_curattr = t->t_defattr = *a; 334186681Sed} 335186681Sed 336197117Sedconst teken_pos_t * 337197117Sedteken_get_winsize(teken_t *t) 338197117Sed{ 339197117Sed 340197117Sed return (&t->t_winsize); 341197117Sed} 342197117Sed 343261547Sraystatic void 344261551Srayteken_trim_cursor_pos(teken_t *t, const teken_pos_t *new) 345261547Sray{ 346261547Sray const teken_pos_t *cur; 347261547Sray 348261547Sray cur = &t->t_winsize; 349261547Sray 350261547Sray if (cur->tp_row < new->tp_row || cur->tp_col < new->tp_col) 351261547Sray return; 352261547Sray if (t->t_cursor.tp_row >= new->tp_row) 353261547Sray t->t_cursor.tp_row = new->tp_row - 1; 354261547Sray if (t->t_cursor.tp_col >= new->tp_col) 355261547Sray t->t_cursor.tp_col = new->tp_col - 1; 356261547Sray} 357261547Sray 358186681Sedvoid 359186681Sedteken_set_winsize(teken_t *t, const teken_pos_t *p) 360186681Sed{ 361186681Sed 362261551Sray teken_trim_cursor_pos(t, p); 363186681Sed t->t_winsize = *p; 364197114Sed teken_subr_do_reset(t); 365186681Sed} 366186681Sed 367197115Sedvoid 368259016Srayteken_set_winsize_noreset(teken_t *t, const teken_pos_t *p) 369259016Sray{ 370259016Sray 371261551Sray teken_trim_cursor_pos(t, p); 372259016Sray t->t_winsize = *p; 373259016Sray teken_subr_do_resize(t); 374259016Sray} 375259016Sray 376259016Srayvoid 377197115Sedteken_set_8bit(teken_t *t) 378197115Sed{ 379197115Sed 380197117Sed t->t_stateflags |= TS_8BIT; 381197115Sed} 382197115Sed 383197117Sedvoid 384197117Sedteken_set_cons25(teken_t *t) 385197117Sed{ 386197117Sed 387197117Sed t->t_stateflags |= TS_CONS25; 388197117Sed} 389197117Sed 390186681Sed/* 391186681Sed * State machine. 392186681Sed */ 393186681Sed 394186681Sedstatic void 395186681Sedteken_state_switch(teken_t *t, teken_state_t *s) 396186681Sed{ 397186681Sed 398186681Sed t->t_nextstate = s; 399186681Sed t->t_curnum = 0; 400186681Sed t->t_stateflags |= TS_FIRSTDIGIT; 401186681Sed} 402186681Sed 403186681Sedstatic int 404186681Sedteken_state_numbers(teken_t *t, teken_char_t c) 405186681Sed{ 406186681Sed 407186681Sed teken_assert(t->t_curnum < T_NUMSIZE); 408186681Sed 409186681Sed if (c >= '0' && c <= '9') { 410186681Sed if (t->t_stateflags & TS_FIRSTDIGIT) { 411286798Sed /* First digit. */ 412186681Sed t->t_stateflags &= ~TS_FIRSTDIGIT; 413286798Sed t->t_nums[t->t_curnum] = c - '0'; 414286827Sed } else if (t->t_nums[t->t_curnum] < UINT_MAX / 100) { 415286798Sed /* 416286827Sed * There is no need to continue parsing input 417286827Sed * once the value exceeds the size of the 418286827Sed * terminal. It would only allow for integer 419286827Sed * overflows when performing arithmetic on the 420286827Sed * cursor position. 421286827Sed * 422286827Sed * Ignore any further digits if the value is 423286827Sed * already UINT_MAX / 100. 424286798Sed */ 425286798Sed t->t_nums[t->t_curnum] = 426286798Sed t->t_nums[t->t_curnum] * 10 + c - '0'; 427186681Sed } 428186681Sed return (1); 429186681Sed } else if (c == ';') { 430186681Sed if (t->t_stateflags & TS_FIRSTDIGIT) 431186681Sed t->t_nums[t->t_curnum] = 0; 432186681Sed 433186681Sed /* Only allow a limited set of arguments. */ 434186681Sed if (++t->t_curnum == T_NUMSIZE) { 435186681Sed teken_state_switch(t, teken_state_init); 436186681Sed return (1); 437186681Sed } 438186681Sed 439186681Sed t->t_stateflags |= TS_FIRSTDIGIT; 440186681Sed return (1); 441186681Sed } else { 442186681Sed if (t->t_stateflags & TS_FIRSTDIGIT && t->t_curnum > 0) { 443186681Sed /* Finish off the last empty argument. */ 444186681Sed t->t_nums[t->t_curnum] = 0; 445186681Sed t->t_curnum++; 446186681Sed } else if ((t->t_stateflags & TS_FIRSTDIGIT) == 0) { 447186681Sed /* Also count the last argument. */ 448186681Sed t->t_curnum++; 449186681Sed } 450186681Sed } 451186681Sed 452186681Sed return (0); 453186681Sed} 454186681Sed 455197522Sedteken_color_t 456197522Sedteken_256to8(teken_color_t c) 457197522Sed{ 458197522Sed unsigned int r, g, b; 459197522Sed 460197522Sed if (c < 16) { 461197522Sed /* Traditional color indices. */ 462197522Sed return (c % 8); 463197522Sed } else if (c >= 244) { 464197522Sed /* Upper grayscale colors. */ 465197522Sed return (TC_WHITE); 466197522Sed } else if (c >= 232) { 467197522Sed /* Lower grayscale colors. */ 468197522Sed return (TC_BLACK); 469197522Sed } 470197522Sed 471197522Sed /* Convert to RGB. */ 472197522Sed c -= 16; 473197522Sed b = c % 6; 474197522Sed g = (c / 6) % 6; 475197522Sed r = c / 36; 476197522Sed 477197522Sed if (r < g) { 478197522Sed /* Possibly green. */ 479197522Sed if (g < b) 480197522Sed return (TC_BLUE); 481197522Sed else if (g > b) 482197522Sed return (TC_GREEN); 483197522Sed else 484197522Sed return (TC_CYAN); 485197522Sed } else if (r > g) { 486197522Sed /* Possibly red. */ 487197522Sed if (r < b) 488197522Sed return (TC_BLUE); 489197522Sed else if (r > b) 490197522Sed return (TC_RED); 491197522Sed else 492197522Sed return (TC_MAGENTA); 493197522Sed } else { 494197522Sed /* Possibly brown. */ 495197522Sed if (g < b) 496197522Sed return (TC_BLUE); 497197522Sed else if (g > b) 498197522Sed return (TC_BROWN); 499197522Sed else if (r < 3) 500197522Sed return (TC_BLACK); 501197522Sed else 502197522Sed return (TC_WHITE); 503197522Sed } 504197522Sed} 505197522Sed 506199171Sedstatic const char * const special_strings_cons25[] = { 507199171Sed [TKEY_UP] = "\x1B[A", [TKEY_DOWN] = "\x1B[B", 508199171Sed [TKEY_LEFT] = "\x1B[D", [TKEY_RIGHT] = "\x1B[C", 509199171Sed 510199175Sed [TKEY_HOME] = "\x1B[H", [TKEY_END] = "\x1B[F", 511199171Sed [TKEY_INSERT] = "\x1B[L", [TKEY_DELETE] = "\x7F", 512199171Sed [TKEY_PAGE_UP] = "\x1B[I", [TKEY_PAGE_DOWN] = "\x1B[G", 513199171Sed 514199171Sed [TKEY_F1] = "\x1B[M", [TKEY_F2] = "\x1B[N", 515199171Sed [TKEY_F3] = "\x1B[O", [TKEY_F4] = "\x1B[P", 516199171Sed [TKEY_F5] = "\x1B[Q", [TKEY_F6] = "\x1B[R", 517199171Sed [TKEY_F7] = "\x1B[S", [TKEY_F8] = "\x1B[T", 518199171Sed [TKEY_F9] = "\x1B[U", [TKEY_F10] = "\x1B[V", 519199171Sed [TKEY_F11] = "\x1B[W", [TKEY_F12] = "\x1B[X", 520199171Sed}; 521199171Sed 522199171Sedstatic const char * const special_strings_ckeys[] = { 523199171Sed [TKEY_UP] = "\x1BOA", [TKEY_DOWN] = "\x1BOB", 524199171Sed [TKEY_LEFT] = "\x1BOD", [TKEY_RIGHT] = "\x1BOC", 525199171Sed 526199171Sed [TKEY_HOME] = "\x1BOH", [TKEY_END] = "\x1BOF", 527199171Sed}; 528199171Sed 529199171Sedstatic const char * const special_strings_normal[] = { 530199171Sed [TKEY_UP] = "\x1B[A", [TKEY_DOWN] = "\x1B[B", 531199171Sed [TKEY_LEFT] = "\x1B[D", [TKEY_RIGHT] = "\x1B[C", 532199171Sed 533199175Sed [TKEY_HOME] = "\x1B[H", [TKEY_END] = "\x1B[F", 534199171Sed [TKEY_INSERT] = "\x1B[2~", [TKEY_DELETE] = "\x1B[3~", 535199171Sed [TKEY_PAGE_UP] = "\x1B[5~", [TKEY_PAGE_DOWN] = "\x1B[6~", 536199171Sed 537199171Sed [TKEY_F1] = "\x1BOP", [TKEY_F2] = "\x1BOQ", 538199171Sed [TKEY_F3] = "\x1BOR", [TKEY_F4] = "\x1BOS", 539199171Sed [TKEY_F5] = "\x1B[15~", [TKEY_F6] = "\x1B[17~", 540199171Sed [TKEY_F7] = "\x1B[18~", [TKEY_F8] = "\x1B[19~", 541199171Sed [TKEY_F9] = "\x1B[20~", [TKEY_F10] = "\x1B[21~", 542199171Sed [TKEY_F11] = "\x1B[23~", [TKEY_F12] = "\x1B[24~", 543199171Sed}; 544199171Sed 545199171Sedconst char * 546199171Sedteken_get_sequence(teken_t *t, unsigned int k) 547199171Sed{ 548199171Sed 549199171Sed /* Cons25 mode. */ 550199171Sed if (t->t_stateflags & TS_CONS25 && 551199171Sed k < sizeof special_strings_cons25 / sizeof(char *)) 552199171Sed return (special_strings_cons25[k]); 553199171Sed 554199171Sed /* Cursor keys mode. */ 555199171Sed if (t->t_stateflags & TS_CURSORKEYS && 556199171Sed k < sizeof special_strings_ckeys / sizeof(char *)) 557199171Sed return (special_strings_ckeys[k]); 558199171Sed 559199171Sed /* Default xterm sequences. */ 560199171Sed if (k < sizeof special_strings_normal / sizeof(char *)) 561199171Sed return (special_strings_normal[k]); 562223574Sed 563199171Sed return (NULL); 564199171Sed} 565199171Sed 566186681Sed#include "teken_state.h" 567