1 /* $OpenBSD: curses.priv.h,v 1.32 2003/04/13 11:20:47 jmc Exp $ */ 2 3 /**************************************************************************** 4 * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /**************************************************************************** 32 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 33 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 34 ****************************************************************************/ 35 36 37 /* 38 * $From: curses.priv.h,v 1.171 2000/12/10 00:13:52 tom Exp $ 39 * 40 * curses.priv.h 41 * 42 * Header file for curses library objects which are private to 43 * the library. 44 * 45 */ 46 47 #ifndef CURSES_PRIV_H 48 #define CURSES_PRIV_H 1 49 50 #if !defined(NCURSES_IMPEXP) 51 # define NCURSES_IMPEXP /* nothing */ 52 #endif 53 #if !defined(NCURSES_API) 54 # define NCURSES_API /* nothing */ 55 #endif 56 #if !defined(NCURSES_EXPORT) 57 # define NCURSES_EXPORT(type) NCURSES_IMPEXP type NCURSES_API 58 #endif 59 #if !defined(NCURSES_EXPORT_VAR) 60 # define NCURSES_EXPORT_VAR(type) NCURSES_IMPEXP type 61 #endif 62 63 #ifdef __cplusplus 64 extern "C" { 65 #endif 66 67 #include <ncurses_cfg.h> 68 69 #if USE_RCS_IDS 70 #define MODULE_ID(id) static const char Ident[] = id; 71 #else 72 #define MODULE_ID(id) /*nothing*/ 73 #endif 74 75 #include <stdlib.h> 76 #include <string.h> 77 #include <sys/types.h> 78 79 #if HAVE_UNISTD_H 80 #include <unistd.h> 81 #endif 82 83 #if HAVE_SYS_BSDTYPES_H 84 #include <sys/bsdtypes.h> /* needed for ISC */ 85 #endif 86 87 #if HAVE_LIMITS_H 88 # include <limits.h> 89 #elif HAVE_SYS_PARAM_H 90 # include <sys/param.h> 91 #endif 92 93 #ifndef PATH_MAX 94 # if defined(_POSIX_PATH_MAX) 95 # define PATH_MAX _POSIX_PATH_MAX 96 # elif defined(MAXPATHLEN) 97 # define PATH_MAX MAXPATHLEN 98 # else 99 # define PATH_MAX 255 /* the Posix minimum path-size */ 100 # endif 101 #endif 102 103 #include <assert.h> 104 #include <stdio.h> 105 106 #include <errno.h> 107 108 #if DECL_ERRNO 109 extern int errno; 110 #endif 111 112 #include <nc_panel.h> 113 114 /* Some systems have a broken 'select()', but workable 'poll()'. Use that */ 115 #if HAVE_WORKING_POLL 116 #define USE_FUNC_POLL 1 117 #if HAVE_POLL_H 118 #include <poll.h> 119 #else 120 #include <sys/poll.h> 121 #endif 122 #else 123 #define USE_FUNC_POLL 0 124 #endif 125 126 /* Alessandro Rubini's GPM (general-purpose mouse) */ 127 #if HAVE_LIBGPM && HAVE_GPM_H 128 #define USE_GPM_SUPPORT 1 129 #else 130 #define USE_GPM_SUPPORT 0 131 #endif 132 133 /* QNX mouse support */ 134 #if defined(__QNX__) && !defined(__QNXNTO__) 135 #define USE_QNX_MOUSE 1 136 #else 137 #define USE_QNX_MOUSE 0 138 #endif 139 140 /* EMX mouse support */ 141 #ifdef __EMX__ 142 #define USE_EMX_MOUSE 143 #endif 144 145 #define DEFAULT_MAXCLICK 166 146 #define EV_MAX 8 /* size of mouse circular event queue */ 147 148 /* 149 * If we don't have signals to support it, don't add a sigwinch handler. 150 * In any case, resizing is an extended feature. Use it if we've got it. 151 */ 152 #if !NCURSES_EXT_FUNCS 153 #undef HAVE_SIZECHANGE 154 #endif 155 156 #if HAVE_SIZECHANGE 157 #define USE_SIZECHANGE 1 158 #else 159 #undef USE_SIGWINCH 160 #endif 161 162 /* 163 * If desired, one can configure this, disabling environment variables that 164 * point to custom terminfo/termcap locations. 165 */ 166 #ifdef USE_ROOT_ENVIRON 167 #ifdef __OpenBSD__ 168 #define use_terminfo_vars() (!issetugid()) 169 #else 170 #define use_terminfo_vars() 1 171 #endif 172 #else 173 #define use_terminfo_vars() _nc_env_access() 174 extern NCURSES_EXPORT(int) _nc_env_access (void); 175 #endif 176 177 /* 178 * Not all platforms have memmove; some have an equivalent bcopy. (Some may 179 * have neither). 180 */ 181 #if USE_OK_BCOPY 182 #define memmove(d,s,n) bcopy(s,d,n) 183 #elif USE_MY_MEMMOVE 184 #define memmove(d,s,n) _nc_memmove(d,s,n) 185 extern NCURSES_EXPORT(void *) _nc_memmove (void *, const void *, size_t); 186 #endif 187 188 /* 189 * Scroll hints are useless when hashmap is used 190 */ 191 #if !USE_SCROLL_HINTS 192 #if !USE_HASHMAP 193 #define USE_SCROLL_HINTS 1 194 #else 195 #define USE_SCROLL_HINTS 0 196 #endif 197 #endif 198 199 #if USE_SCROLL_HINTS 200 #define if_USE_SCROLL_HINTS(stmt) stmt 201 #else 202 #define if_USE_SCROLL_HINTS(stmt) /*nothing*/ 203 #endif 204 205 /* 206 * Note: ht/cbt expansion flakes out randomly under Linux 1.1.47, but only 207 * when we're throwing control codes at the screen at high volume. To see 208 * this, re-enable USE_HARD_TABS and run worm for a while. Other systems 209 * probably don't want to define this either due to uncertainties about tab 210 * delays and expansion in raw mode. 211 */ 212 213 struct tries { 214 struct tries *child; /* ptr to child. NULL if none */ 215 struct tries *sibling; /* ptr to sibling. NULL if none */ 216 unsigned char ch; /* character at this node */ 217 unsigned short value; /* code of string so far. 0 if none. */ 218 }; 219 220 /* 221 * Definitions for color pairs 222 */ 223 #define C_SHIFT 8 /* we need more bits than there are colors */ 224 #define C_MASK ((1 << C_SHIFT) - 1) 225 226 #define PAIR_OF(fg, bg) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK)) 227 228 /* 229 * Common/troublesome character definitions 230 */ 231 #define L_BRACE '{' 232 #define R_BRACE '}' 233 #define S_QUOTE '\'' 234 235 /* 236 * Structure for palette tables 237 */ 238 239 typedef struct 240 { 241 short red, green, blue; 242 } 243 color_t; 244 245 #define MAXCOLUMNS 135 246 #define MAXLINES 66 247 #define FIFO_SIZE MAXCOLUMNS+2 /* for nocbreak mode input */ 248 249 #define ACS_LEN 128 250 251 #define WINDOWLIST struct _win_list 252 253 #include <curses.h> /* we'll use -Ipath directive to get the right one! */ 254 255 /* 256 * Structure for soft labels. 257 */ 258 259 typedef struct 260 { 261 char *text; /* text for the label */ 262 char *form_text; /* formatted text (left/center/...) */ 263 int x; /* x coordinate of this field */ 264 char dirty; /* this label has changed */ 265 char visible; /* field is visible */ 266 } slk_ent; 267 268 typedef struct { 269 char dirty; /* all labels have changed */ 270 char hidden; /* soft labels are hidden */ 271 struct _win_st *win; 272 slk_ent *ent; 273 char* buffer; /* buffer for labels */ 274 short maxlab; /* number of available labels */ 275 short labcnt; /* number of allocated labels */ 276 short maxlen; /* length of labels */ 277 chtype attr; /* soft label attribute */ 278 } SLK; 279 280 struct screen { 281 int _ifd; /* input file ptr for screen */ 282 FILE *_ofp; /* output file ptr for screen */ 283 char *_setbuf; /* buffered I/O for output */ 284 int _buffered; /* setvbuf uses _setbuf data */ 285 int _checkfd; /* filedesc for typeahead check */ 286 struct term *_term; /* terminal type information */ 287 short _lines; /* screen lines */ 288 short _columns; /* screen columns */ 289 short _lines_avail; /* lines available for stdscr */ 290 short _topstolen; /* lines stolen from top */ 291 292 WINDOW *_curscr; /* current screen */ 293 WINDOW *_newscr; /* virtual screen to be updated to */ 294 WINDOW *_stdscr; /* screen's full-window context */ 295 296 struct tries *_keytry; /* "Try" for use with keypad mode */ 297 struct tries *_key_ok; /* Disabled keys via keyok(,FALSE) */ 298 int _tried; /* keypad mode was initialized */ 299 300 unsigned int _fifo[FIFO_SIZE]; /* input push-back buffer */ 301 short _fifohead, /* head of fifo queue */ 302 _fifotail, /* tail of fifo queue */ 303 _fifopeek, /* where to peek for next char */ 304 _fifohold; /* set if breakout marked */ 305 306 int _endwin; /* are we out of window mode? */ 307 unsigned long _current_attr; /* terminal attribute current set */ 308 int _coloron; /* is color enabled? */ 309 int _cursor; /* visibility of the cursor */ 310 int _cursrow; /* physical cursor row */ 311 int _curscol; /* physical cursor column */ 312 int _nl; /* True if NL -> CR/NL is on */ 313 int _raw; /* True if in raw mode */ 314 int _cbreak; /* 1 if in cbreak mode */ 315 /* > 1 if in halfdelay mode */ 316 int _echo; /* True if echo on */ 317 int _use_meta; /* use the meta key? */ 318 SLK *_slk; /* ptr to soft key struct / NULL */ 319 int slk_format; /* selected format for this screen */ 320 /* cursor movement costs; units are 10ths of milliseconds */ 321 #if NCURSES_NO_PADDING 322 int _no_padding; /* flag to set if padding disabled */ 323 #endif 324 int _char_padding; /* cost of character put */ 325 int _cr_cost; /* cost of (carriage_return) */ 326 int _cup_cost; /* cost of (cursor_address) */ 327 int _home_cost; /* cost of (cursor_home) */ 328 int _ll_cost; /* cost of (cursor_to_ll) */ 329 #if USE_HARD_TABS 330 int _ht_cost; /* cost of (tab) */ 331 int _cbt_cost; /* cost of (backtab) */ 332 #endif /* USE_HARD_TABS */ 333 int _cub1_cost; /* cost of (cursor_left) */ 334 int _cuf1_cost; /* cost of (cursor_right) */ 335 int _cud1_cost; /* cost of (cursor_down) */ 336 int _cuu1_cost; /* cost of (cursor_up) */ 337 int _cub_cost; /* cost of (parm_cursor_left) */ 338 int _cuf_cost; /* cost of (parm_cursor_right) */ 339 int _cud_cost; /* cost of (parm_cursor_down) */ 340 int _cuu_cost; /* cost of (parm_cursor_up) */ 341 int _hpa_cost; /* cost of (column_address) */ 342 int _vpa_cost; /* cost of (row_address) */ 343 /* used in tty_update.c, must be chars */ 344 int _ed_cost; /* cost of (clr_eos) */ 345 int _el_cost; /* cost of (clr_eol) */ 346 int _el1_cost; /* cost of (clr_bol) */ 347 int _dch1_cost; /* cost of (delete_character) */ 348 int _ich1_cost; /* cost of (insert_character) */ 349 int _dch_cost; /* cost of (parm_dch) */ 350 int _ich_cost; /* cost of (parm_ich) */ 351 int _ech_cost; /* cost of (erase_chars) */ 352 int _rep_cost; /* cost of (repeat_char) */ 353 int _hpa_ch_cost; /* cost of (column_address) */ 354 int _cup_ch_cost; /* cost of (cursor_address) */ 355 int _cuf_ch_cost; /* cost of (parm_cursor_right) */ 356 int _inline_cost; /* cost of inline-move */ 357 int _smir_cost; /* cost of (enter_insert_mode) */ 358 int _rmir_cost; /* cost of (exit_insert_mode) */ 359 int _ip_cost; /* cost of (insert_padding) */ 360 /* used in lib_mvcur.c */ 361 char * _address_cursor; 362 /* used in tty_update.c */ 363 int _scrolling; /* 1 if terminal's smart enough to */ 364 365 /* used in lib_color.c */ 366 color_t *_color_table; /* screen's color palette */ 367 int _color_count; /* count of colors in palette */ 368 unsigned short *_color_pairs; /* screen's color pair list */ 369 int _pair_count; /* count of color pairs */ 370 #if NCURSES_EXT_FUNCS 371 bool _default_color; /* use default colors */ 372 bool _has_sgr_39_49; /* has ECMA default color support */ 373 int _default_fg; /* assumed default foreground */ 374 int _default_bg; /* assumed default background */ 375 #endif 376 chtype _xmc_suppress; /* attributes to suppress if xmc */ 377 chtype _xmc_triggers; /* attributes to process if xmc */ 378 chtype _acs_map[ACS_LEN]; 379 380 /* used in lib_vidattr.c */ 381 bool _use_rmso; /* true if we may use 'rmso' */ 382 bool _use_rmul; /* true if we may use 'rmul' */ 383 384 /* 385 * These data correspond to the state of the idcok() and idlok() 386 * functions. A caveat is in order here: the XSI and SVr4 387 * documentation specify that these functions apply to the window which 388 * is given as an argument. However, ncurses implements this logic 389 * only for the newscr/curscr update process, _not_ per-window. 390 */ 391 bool _nc_sp_idlok; 392 bool _nc_sp_idcok; 393 #define _nc_idlok SP->_nc_sp_idlok 394 #define _nc_idcok SP->_nc_sp_idcok 395 396 /* 397 * These are the data that support the mouse interface. 398 */ 399 int _maxclick; 400 bool (*_mouse_event) (SCREEN *); 401 bool (*_mouse_inline)(SCREEN *); 402 bool (*_mouse_parse) (int); 403 void (*_mouse_resume)(SCREEN *); 404 void (*_mouse_wrap) (SCREEN *); 405 int _mouse_fd; /* file-descriptor, if any */ 406 407 /* 408 * This supports automatic resizing 409 */ 410 #if USE_SIZECHANGE 411 int (*_resize)(int,int); 412 #endif 413 414 /* 415 * These are data that support the proper handling of the panel stack on an 416 * per screen basis. 417 */ 418 struct panelhook _panelHook; 419 /* 420 * Linked-list of all windows, to support '_nc_resizeall()' and 421 * '_nc_freeall()' 422 */ 423 WINDOWLIST *_nc_sp_windows; 424 #define _nc_windows SP->_nc_sp_windows 425 426 bool _sig_winch; 427 SCREEN *_next_screen; 428 429 /* hashes for old and new lines */ 430 unsigned long *oldhash, *newhash; 431 432 bool _cleanup; /* cleanup after int/quit signal */ 433 int (*_outch)(int); /* output handler if not putc */ 434 }; 435 436 extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain; 437 438 #if NCURSES_NOMACROS 439 #include <nomacros.h> 440 #endif 441 442 WINDOWLIST { 443 WINDOWLIST *next; 444 WINDOW *win; 445 }; 446 447 typedef struct { 448 int line; /* lines to take, < 0 => from bottom*/ 449 int (*hook)(struct _win_st *, int); /* callback for user */ 450 struct _win_st *w; /* maybe we need this for cleanup */ 451 } ripoff_t; 452 453 /* The terminfo source is assumed to be 7-bit ASCII */ 454 #define is7bits(c) ((unsigned)(c) < 128) 455 456 #ifndef min 457 #define min(a,b) ((a) > (b) ? (b) : (a)) 458 #endif 459 460 #ifndef max 461 #define max(a,b) ((a) < (b) ? (b) : (a)) 462 #endif 463 464 /* usually in <unistd.h> */ 465 #ifndef STDIN_FILENO 466 #define STDIN_FILENO 0 467 #endif 468 469 #ifndef STDOUT_FILENO 470 #define STDOUT_FILENO 1 471 #endif 472 473 #ifndef STDERR_FILENO 474 #define STDERR_FILENO 2 475 #endif 476 477 #ifndef EXIT_SUCCESS 478 #define EXIT_SUCCESS 0 479 #endif 480 481 #ifndef EXIT_FAILURE 482 #define EXIT_FAILURE 1 483 #endif 484 485 #ifndef R_OK 486 #define R_OK 4 /* Test for read permission. */ 487 #endif 488 #ifndef W_OK 489 #define W_OK 2 /* Test for write permission. */ 490 #endif 491 #ifndef X_OK 492 #define X_OK 1 /* Test for execute permission. */ 493 #endif 494 #ifndef F_OK 495 #define F_OK 0 /* Test for existence. */ 496 #endif 497 498 #if HAVE_FCNTL_H 499 #include <fcntl.h> /* may define O_BINARY */ 500 #endif 501 502 #ifndef O_BINARY 503 #define O_BINARY 0 504 #endif 505 506 #define CharOf(c) ((unsigned char)(c)) 507 #define TextOf(c) ((c) & (chtype)A_CHARTEXT) 508 #define AttrOf(c) ((c) & (chtype)A_ATTRIBUTES) 509 510 #define BLANK (' '|A_NORMAL) 511 512 #define CHANGED -1 513 514 #define CHANGED_CELL(line,col) \ 515 if (line->firstchar == _NOCHANGE) \ 516 line->firstchar = line->lastchar = col; \ 517 else if ((col) < line->firstchar) \ 518 line->firstchar = col; \ 519 else if ((col) > line->lastchar) \ 520 line->lastchar = col 521 522 #define CHANGED_RANGE(line,start,end) \ 523 if (line->firstchar == _NOCHANGE \ 524 || line->firstchar > (start)) \ 525 line->firstchar = start; \ 526 if (line->lastchar == _NOCHANGE \ 527 || line->lastchar < (end)) \ 528 line->lastchar = end 529 530 #define CHANGED_TO_EOL(line,start,end) \ 531 if (line->firstchar == _NOCHANGE \ 532 || line->firstchar > (start)) \ 533 line->firstchar = start; \ 534 line->lastchar = end 535 536 #define SIZEOF(v) (sizeof(v)/sizeof(v[0])) 537 538 #define FreeIfNeeded(p) if ((p) != 0) free(p) 539 540 /* FreeAndNull() is not a comma-separated expression because some compilers 541 * do not accept a mixture of void with values. 542 */ 543 #define FreeAndNull(p) free(p); p = 0 544 545 #include <nc_alloc.h> 546 547 /* 548 * Prefixes for call/return points of library function traces. We use these to 549 * instrument the public functions so that the traces can be easily transformed 550 * into regression scripts. 551 */ 552 #define T_CALLED(fmt) "called " fmt 553 #define T_CREATE(fmt) "create " fmt 554 #define T_RETURN(fmt) "return " fmt 555 556 #ifdef TRACE 557 #define TR(n, a) if (_nc_tracing & (n)) _tracef a 558 #define T(a) TR(TRACE_CALLS, a) 559 #define TPUTS_TRACE(s) _nc_tputs_trace = s; 560 #define TRACE_RETURN(value,type) return _nc_retrace_##type(value) 561 #define returnAttr(code) TRACE_RETURN(code,attr_t) 562 #define returnChar(code) TRACE_RETURN(code,chtype) 563 #define returnCode(code) TRACE_RETURN(code,int) 564 #define returnPtr(code) TRACE_RETURN(code,ptr) 565 #define returnVoid T((T_RETURN(""))); return 566 #define returnWin(code) TRACE_RETURN(code,win) 567 extern NCURSES_EXPORT(WINDOW *) _nc_retrace_win (WINDOW *); 568 extern NCURSES_EXPORT(attr_t) _nc_retrace_attr_t (attr_t); 569 extern NCURSES_EXPORT(attr_t) _nc_retrace_chtype (chtype); 570 extern NCURSES_EXPORT(char *) _nc_retrace_ptr (char *); 571 extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace; 572 extern NCURSES_EXPORT(int) _nc_retrace_int (int); 573 extern NCURSES_EXPORT_VAR(long) _nc_outchars; 574 extern NCURSES_EXPORT(void) _nc_fifo_dump (void); 575 #else 576 #define T(a) 577 #define TR(n, a) 578 #define TPUTS_TRACE(s) 579 #define returnAttr(code) return code 580 #define returnChar(code) return code 581 #define returnCode(code) return code 582 #define returnPtr(code) return code 583 #define returnVoid return 584 #define returnWin(code) return code 585 #endif 586 587 extern NCURSES_EXPORT_VAR(unsigned) _nc_tracing; 588 extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *); 589 590 #define _trace_key(ch) ((ch > KEY_MIN) ? keyname(ch) : _tracechar((unsigned char)ch)) 591 592 #define ALL_BUT_COLOR ((chtype)~(A_COLOR)) 593 #define IGNORE_COLOR_OFF FALSE 594 #define NONBLANK_ATTR (A_BOLD|A_DIM|A_BLINK) 595 #define XMC_CHANGES(c) ((c) & SP->_xmc_suppress) 596 597 598 #define toggle_attr_on(S,at) {\ 599 if (PAIR_NUMBER(at) > 0)\ 600 (S) = ((S) & ALL_BUT_COLOR) | (at);\ 601 else\ 602 (S) |= (at);\ 603 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));} 604 605 606 #define toggle_attr_off(S,at) {\ 607 if (IGNORE_COLOR_OFF == TRUE) {\ 608 if (PAIR_NUMBER(at) == 0xff) /* turn off color */\ 609 (S) &= ~(at);\ 610 else /* leave color alone */\ 611 (S) &= ~((at)&ALL_BUT_COLOR);\ 612 } else {\ 613 if (PAIR_NUMBER(at) > 0x00) /* turn off color */\ 614 (S) &= ~(at|A_COLOR);\ 615 else /* leave color alone */\ 616 (S) &= ~(at);\ 617 }\ 618 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));} 619 620 #define DelCharCost(count) \ 621 ((parm_dch != 0) \ 622 ? SP->_dch_cost \ 623 : ((delete_character != 0) \ 624 ? (SP->_dch1_cost * count) \ 625 : INFINITY)) 626 627 #define InsCharCost(count) \ 628 ((parm_ich != 0) \ 629 ? SP->_ich_cost \ 630 : ((enter_insert_mode && exit_insert_mode) \ 631 ? SP->_smir_cost + SP->_rmir_cost + (SP->_ip_cost * count) \ 632 : ((insert_character != 0) \ 633 ? (SP->_ich1_cost * count) \ 634 : INFINITY))) 635 636 #if USE_XMC_SUPPORT 637 #define UpdateAttrs(c) if (SP->_current_attr != AttrOf(c)) { \ 638 attr_t chg = SP->_current_attr; \ 639 vidattr(AttrOf(c)); \ 640 if (magic_cookie_glitch > 0 \ 641 && XMC_CHANGES((chg ^ SP->_current_attr))) { \ 642 TR(TRACE_ATTRS, \ 643 ("%s @%d before glitch %d,%d", \ 644 __FILE__, __LINE__, \ 645 SP->_cursrow, \ 646 SP->_curscol)); \ 647 _nc_do_xmc_glitch(chg); \ 648 } \ 649 } 650 #else 651 #define UpdateAttrs(c) if (SP->_current_attr != AttrOf(c)) \ 652 vidattr(AttrOf(c)) 653 #endif 654 655 #if NCURSES_EXPANDED && NCURSES_EXT_FUNCS 656 657 #undef toggle_attr_on 658 #define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at) 659 extern NCURSES_EXPORT(void) _nc_toggle_attr_on (attr_t *, attr_t); 660 661 #undef toggle_attr_off 662 #define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at) 663 extern NCURSES_EXPORT(void) _nc_toggle_attr_off (attr_t *, attr_t); 664 665 #undef DelCharCost 666 #define DelCharCost(count) _nc_DelCharCost(count) 667 extern NCURSES_EXPORT(int) _nc_DelCharCost (int); 668 669 #undef InsCharCost 670 #define InsCharCost(count) _nc_InsCharCost(count) 671 extern NCURSES_EXPORT(int) _nc_InsCharCost (int); 672 673 #undef UpdateAttrs 674 #define UpdateAttrs(c) _nc_UpdateAttrs(c) 675 extern NCURSES_EXPORT(void) _nc_UpdateAttrs (chtype); 676 677 #else 678 679 extern NCURSES_EXPORT(void) _nc_expanded (void); 680 681 #endif 682 683 #if !HAVE_GETCWD 684 #define getcwd(buf,len) getwd(buf) 685 #endif 686 687 /* doupdate.c */ 688 #if USE_XMC_SUPPORT 689 extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t); 690 #endif 691 692 /* hardscroll.c */ 693 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG) 694 extern NCURSES_EXPORT(void) _nc_linedump (void); 695 #endif 696 697 /* lib_acs.c */ 698 extern NCURSES_EXPORT(void) _nc_init_acs (void); /* corresponds to traditional 'init_acs()' */ 699 extern NCURSES_EXPORT(int) _nc_msec_cost (const char *const, int); /* used by 'tack' program */ 700 701 /* lib_mvcur.c */ 702 #define INFINITY 1000000 /* cost: too high to use */ 703 704 extern NCURSES_EXPORT(void) _nc_mvcur_init (void); 705 extern NCURSES_EXPORT(void) _nc_mvcur_resume (void); 706 extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void); 707 708 extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int); 709 710 extern NCURSES_EXPORT(void) _nc_screen_init (void); 711 extern NCURSES_EXPORT(void) _nc_screen_resume (void); 712 extern NCURSES_EXPORT(void) _nc_screen_wrap (void); 713 714 /* lib_mouse.c */ 715 extern NCURSES_EXPORT(int) _nc_has_mouse (void); 716 717 /* lib_mvcur.c */ 718 #define INFINITY 1000000 /* cost: too high to use */ 719 720 typedef struct { 721 char *s_head; 722 char *s_tail; 723 size_t s_size; 724 } string_desc; 725 726 /* strings.c */ 727 extern NCURSES_EXPORT(string_desc *) _nc_str_init (string_desc * dst, char *src, size_t len); 728 extern NCURSES_EXPORT(string_desc *) _nc_str_null (string_desc * dst, size_t len); 729 extern NCURSES_EXPORT(string_desc *) _nc_str_copy (string_desc * dst, string_desc * src); 730 extern NCURSES_EXPORT(bool) _nc_safe_strcat (string_desc * dst, const char *src); 731 extern NCURSES_EXPORT(bool) _nc_safe_strcpy (string_desc * dst, const char *src); 732 733 extern NCURSES_EXPORT(void) _nc_mvcur_init (void); 734 extern NCURSES_EXPORT(void) _nc_mvcur_resume (void); 735 extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void); 736 737 extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int); 738 739 extern NCURSES_EXPORT(void) _nc_screen_init (void); 740 extern NCURSES_EXPORT(void) _nc_screen_resume (void); 741 extern NCURSES_EXPORT(void) _nc_screen_wrap (void); 742 743 #if !HAVE_STRSTR 744 #define strstr _nc_strstr 745 extern NCURSES_EXPORT(char *) _nc_strstr (const char *, const char *); 746 #endif 747 748 /* safe_sprintf.c */ 749 extern NCURSES_EXPORT(char *) _nc_printf_string (const char *fmt, va_list ap); 750 751 /* tries.c */ 752 extern NCURSES_EXPORT(void) _nc_add_to_try (struct tries **tree, const char *str, unsigned short code); 753 extern NCURSES_EXPORT(char *) _nc_expand_try (struct tries *tree, unsigned short code, int *count, size_t len); 754 extern NCURSES_EXPORT(int) _nc_remove_key (struct tries **tree, unsigned short code); 755 extern NCURSES_EXPORT(int) _nc_remove_string (struct tries **tree, char *string); 756 757 /* elsewhere ... */ 758 extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int); 759 extern NCURSES_EXPORT(char *) _nc_home_terminfo (void); 760 extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t); 761 extern NCURSES_EXPORT(chtype) _nc_background (WINDOW *); 762 extern NCURSES_EXPORT(chtype) _nc_render (WINDOW *, chtype); 763 extern NCURSES_EXPORT(int) _nc_access (const char *, int); 764 extern NCURSES_EXPORT(int) _nc_baudrate (int); 765 extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *win); 766 extern NCURSES_EXPORT(int) _nc_getenv_num (const char *); 767 extern NCURSES_EXPORT(int) _nc_keypad (bool); 768 extern NCURSES_EXPORT(int) _nc_ospeed (int); 769 extern NCURSES_EXPORT(int) _nc_outch (int); 770 extern NCURSES_EXPORT(int) _nc_setupscreen (short, short const, FILE *); 771 extern NCURSES_EXPORT(int) _nc_timed_wait (int, int, int *); 772 extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const chtype); 773 extern NCURSES_EXPORT(void) _nc_do_color (int, int, bool, int (*)(int)); 774 extern NCURSES_EXPORT(void) _nc_flush (void); 775 extern NCURSES_EXPORT(void) _nc_freeall (void); 776 extern NCURSES_EXPORT(void) _nc_hash_map (void); 777 extern NCURSES_EXPORT(void) _nc_init_keytry (void); 778 extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *); 779 extern NCURSES_EXPORT(void) _nc_make_oldhash (int i); 780 extern NCURSES_EXPORT(void) _nc_outstr (const char *str); 781 extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot); 782 extern NCURSES_EXPORT(void) _nc_scroll_optimize (void); 783 extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, short const, short const, chtype); 784 extern NCURSES_EXPORT(void) _nc_set_buffer (FILE *, bool); 785 extern NCURSES_EXPORT(void) _nc_signal_handler (bool); 786 extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *win); 787 extern NCURSES_EXPORT(void) _nc_trace_tries (struct tries *tree); 788 789 #if USE_SIZECHANGE 790 extern NCURSES_EXPORT(void) _nc_update_screensize (void); 791 #endif 792 793 #if USE_WIDEC_SUPPORT 794 extern NCURSES_EXPORT(int) _nc_utf8_outch (int); 795 #endif 796 797 /* scroll indices */ 798 extern NCURSES_EXPORT_VAR(int *) _nc_oldnums; 799 800 #define USE_SETBUF_0 0 801 802 #define NC_BUFFERED(flag) \ 803 if ((SP->_buffered != 0) != flag) \ 804 _nc_set_buffer(SP->_ofp, flag) 805 806 #define NC_OUTPUT ((SP != 0) ? SP->_ofp : stdout) 807 808 /* 809 * On systems with a broken linker, define 'SP' as a function to force the 810 * linker to pull in the data-only module with 'SP'. 811 */ 812 #if BROKEN_LINKER 813 #define SP _nc_screen() 814 extern NCURSES_EXPORT(SCREEN *) _nc_screen (void); 815 extern NCURSES_EXPORT(int) _nc_alloc_screen (void); 816 extern NCURSES_EXPORT(void) _nc_set_screen (SCREEN *); 817 #else 818 /* current screen is private data; avoid possible linking conflicts too */ 819 extern NCURSES_EXPORT_VAR(SCREEN *) SP; 820 #define _nc_alloc_screen() ((SP = typeCalloc(SCREEN, 1)) != 0) 821 #define _nc_set_screen(sp) SP = sp 822 #endif 823 824 /* 825 * We don't want to use the lines or columns capabilities internally, 826 * because if the application is running multiple screens under 827 * the X Window System, it's quite possible they could all have type xterm 828 * but have different sizes! So... 829 */ 830 #define screen_lines SP->_lines 831 #define screen_columns SP->_columns 832 833 extern NCURSES_EXPORT_VAR(int) _nc_slk_format; /* != 0 if slk_init() called */ 834 extern NCURSES_EXPORT(int) _nc_slk_initialize (WINDOW *, int); 835 836 /* 837 * Some constants related to SLK's 838 */ 839 #define MAX_SKEY_OLD 8 /* count of soft keys */ 840 #define MAX_SKEY_LEN_OLD 8 /* max length of soft key text */ 841 #define MAX_SKEY_PC 12 /* This is what most PC's have */ 842 #define MAX_SKEY_LEN_PC 5 843 844 /* Macro to check whether or not we use a standard format */ 845 #define SLK_STDFMT(fmt) (fmt < 3) 846 /* Macro to determine height of label window */ 847 #define SLK_LINES(fmt) (SLK_STDFMT(fmt) ? 1 : ((fmt) - 2)) 848 849 #define MAX_SKEY(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_OLD : MAX_SKEY_PC) 850 #define MAX_SKEY_LEN(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC) 851 852 extern NCURSES_EXPORT(int) _nc_ripoffline (int line, int (*init)(WINDOW *,int)); 853 854 #ifdef __cplusplus 855 } 856 #endif 857 858 #endif /* CURSES_PRIV_H */ 859