1 /* $OpenBSD: curses.priv.h,v 1.33 2010/01/12 23:21:59 nicm Exp $ */ 2 3 /**************************************************************************** 4 * Copyright (c) 1998-2007,2008 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 * and: Thomas E. Dickey 1996-on * 35 ****************************************************************************/ 36 37 38 /* 39 * $Id: curses.priv.h,v 1.33 2010/01/12 23:21:59 nicm Exp $ 40 * 41 * curses.priv.h 42 * 43 * Header file for curses library objects which are private to 44 * the library. 45 * 46 */ 47 48 #ifndef CURSES_PRIV_H 49 #define CURSES_PRIV_H 1 50 51 #if !defined(NCURSES_IMPEXP) 52 # define NCURSES_IMPEXP /* nothing */ 53 #endif 54 #if !defined(NCURSES_API) 55 # define NCURSES_API /* nothing */ 56 #endif 57 #if !defined(NCURSES_EXPORT) 58 # define NCURSES_EXPORT(type) NCURSES_IMPEXP type NCURSES_API 59 #endif 60 #if !defined(NCURSES_EXPORT_VAR) 61 # define NCURSES_EXPORT_VAR(type) NCURSES_IMPEXP type 62 #endif 63 64 #ifdef __cplusplus 65 extern "C" { 66 #endif 67 68 #include <ncurses_cfg.h> 69 70 #if USE_RCS_IDS 71 #define MODULE_ID(id) static const char Ident[] = id; 72 #else 73 #define MODULE_ID(id) /*nothing*/ 74 #endif 75 76 #include <stdlib.h> 77 #include <string.h> 78 #include <sys/types.h> 79 80 #if HAVE_UNISTD_H 81 #include <unistd.h> 82 #endif 83 84 #if HAVE_SYS_BSDTYPES_H 85 #include <sys/bsdtypes.h> /* needed for ISC */ 86 #endif 87 88 #if HAVE_LIMITS_H 89 # include <limits.h> 90 #elif HAVE_SYS_PARAM_H 91 # include <sys/param.h> 92 #endif 93 94 #include <assert.h> 95 #include <stdio.h> 96 97 #include <errno.h> 98 99 #ifndef PATH_MAX 100 # if defined(_POSIX_PATH_MAX) 101 # define PATH_MAX _POSIX_PATH_MAX 102 # elif defined(MAXPATHLEN) 103 # define PATH_MAX MAXPATHLEN 104 # else 105 # define PATH_MAX 255 /* the Posix minimum path-size */ 106 # endif 107 #endif 108 109 #if DECL_ERRNO 110 extern int errno; 111 #endif 112 113 #include <nc_panel.h> 114 115 /* Some systems have a broken 'select()', but workable 'poll()'. Use that */ 116 #if HAVE_WORKING_POLL 117 #define USE_FUNC_POLL 1 118 #if HAVE_POLL_H 119 #include <poll.h> 120 #else 121 #include <sys/poll.h> 122 #endif 123 #else 124 #define USE_FUNC_POLL 0 125 #endif 126 127 /* include signal.h before curses.h to work-around defect in glibc 2.1.3 */ 128 #include <signal.h> 129 130 /* Alessandro Rubini's GPM (general-purpose mouse) */ 131 #if HAVE_LIBGPM && HAVE_GPM_H 132 #define USE_GPM_SUPPORT 1 133 #else 134 #define USE_GPM_SUPPORT 0 135 #endif 136 137 /* QNX mouse support */ 138 #if defined(__QNX__) && !defined(__QNXNTO__) 139 #define USE_QNX_MOUSE 1 140 #else 141 #define USE_QNX_MOUSE 0 142 #endif 143 144 /* EMX mouse support */ 145 #ifdef __EMX__ 146 #define USE_EMX_MOUSE 1 147 #else 148 #define USE_EMX_MOUSE 0 149 #endif 150 151 #define DEFAULT_MAXCLICK 166 152 #define EV_MAX 8 /* size of mouse circular event queue */ 153 154 /* 155 * If we don't have signals to support it, don't add a sigwinch handler. 156 * In any case, resizing is an extended feature. Use it if we've got it. 157 */ 158 #if !NCURSES_EXT_FUNCS 159 #undef HAVE_SIZECHANGE 160 #define HAVE_SIZECHANGE 0 161 #endif 162 163 #if HAVE_SIZECHANGE && USE_SIGWINCH && defined(SIGWINCH) 164 #define USE_SIZECHANGE 1 165 #else 166 #define USE_SIZECHANGE 0 167 #undef USE_SIGWINCH 168 #define USE_SIGWINCH 0 169 #endif 170 171 /* 172 * If desired, one can configure this, disabling environment variables that 173 * point to custom terminfo/termcap locations. 174 */ 175 #ifdef USE_ROOT_ENVIRON 176 #ifdef __OpenBSD__ 177 #define use_terminfo_vars() (!issetugid()) 178 #else 179 #define use_terminfo_vars() 1 180 #endif 181 #else 182 #define use_terminfo_vars() _nc_env_access() 183 extern NCURSES_EXPORT(int) _nc_env_access (void); 184 #endif 185 186 /* 187 * Not all platforms have memmove; some have an equivalent bcopy. (Some may 188 * have neither). 189 */ 190 #if USE_OK_BCOPY 191 #define memmove(d,s,n) bcopy(s,d,n) 192 #elif USE_MY_MEMMOVE 193 #define memmove(d,s,n) _nc_memmove(d,s,n) 194 extern NCURSES_EXPORT(void *) _nc_memmove (void *, const void *, size_t); 195 #endif 196 197 /* 198 * Scroll hints are useless when hashmap is used 199 */ 200 #if !USE_SCROLL_HINTS 201 #if !USE_HASHMAP 202 #define USE_SCROLL_HINTS 1 203 #else 204 #define USE_SCROLL_HINTS 0 205 #endif 206 #endif 207 208 #if USE_SCROLL_HINTS 209 #define if_USE_SCROLL_HINTS(stmt) stmt 210 #else 211 #define if_USE_SCROLL_HINTS(stmt) /*nothing*/ 212 #endif 213 214 /* 215 * Note: ht/cbt expansion flakes out randomly under Linux 1.1.47, but only 216 * when we're throwing control codes at the screen at high volume. To see 217 * this, re-enable USE_HARD_TABS and run worm for a while. Other systems 218 * probably don't want to define this either due to uncertainties about tab 219 * delays and expansion in raw mode. 220 */ 221 222 #define TRIES struct tries 223 typedef TRIES { 224 TRIES *child; /* ptr to child. NULL if none */ 225 TRIES *sibling; /* ptr to sibling. NULL if none */ 226 unsigned char ch; /* character at this node */ 227 unsigned short value; /* code of string so far. 0 if none. */ 228 #undef TRIES 229 } TRIES; 230 231 /* 232 * Common/troublesome character definitions 233 */ 234 #define StringOf(ch) {ch, 0} 235 236 #define L_BRACE '{' 237 #define R_BRACE '}' 238 #define S_QUOTE '\'' 239 #define D_QUOTE '"' 240 241 #define VT_ACSC "``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~" 242 243 /* 244 * Structure for palette tables 245 */ 246 247 typedef struct 248 { 249 short red, green, blue; /* what color_content() returns */ 250 short r, g, b; /* params to init_color() */ 251 int init; /* true if we called init_color() */ 252 } 253 color_t; 254 255 #define MAXCOLUMNS 135 256 #define MAXLINES 66 257 #define FIFO_SIZE MAXCOLUMNS+2 /* for nocbreak mode input */ 258 259 #define ACS_LEN 128 260 261 #define WINDOWLIST struct _win_list 262 263 #if USE_WIDEC_SUPPORT 264 #define _nc_bkgd _bkgrnd 265 #else 266 #undef _XOPEN_SOURCE_EXTENDED 267 #define _nc_bkgd _bkgd 268 #define wgetbkgrnd(win, wch) *wch = win->_bkgd 269 #define wbkgrnd wbkgd 270 #endif 271 272 #undef NCURSES_OPAQUE 273 #define NCURSES_INTERNALS 1 274 #define NCURSES_OPAQUE 0 275 276 #include <curses.h> /* we'll use -Ipath directive to get the right one! */ 277 #include <term.h> 278 #include <term_entry.h> 279 #include <nc_tparm.h> 280 281 #if NCURSES_EXT_COLORS && USE_WIDEC_SUPPORT 282 #define if_EXT_COLORS(stmt) stmt 283 #define NetPair(value,p) (value).ext_color = (p), \ 284 AttrOf(value) &= ALL_BUT_COLOR, \ 285 AttrOf(value) |= (A_COLOR & COLOR_PAIR((p > 255) ? 255 : p)) 286 #define SetPair(value,p) (value).ext_color = (p) 287 #define GetPair(value) (value).ext_color 288 #define unColor(n) (AttrOf(n) & ALL_BUT_COLOR) 289 #define GET_WINDOW_PAIR(w) (w)->_color 290 #define SET_WINDOW_PAIR(w,p) (w)->_color = (p) 291 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b) && GetPair(a) == GetPair(b)) 292 #define VIDATTR(attr, pair) vid_attr(attr, pair, 0) 293 #else 294 #define if_EXT_COLORS(stmt) /* nothing */ 295 #define SetPair(value,p) RemAttr(value, A_COLOR), \ 296 SetAttr(value, AttrOf(value) | (A_COLOR & COLOR_PAIR(p))) 297 #define GetPair(value) PAIR_NUMBER(AttrOf(value)) 298 #define unColor(n) (AttrOf(n) & ALL_BUT_COLOR) 299 #define GET_WINDOW_PAIR(w) PAIR_NUMBER(WINDOW_ATTRS(w)) 300 #define SET_WINDOW_PAIR(w,p) WINDOW_ATTRS(w) &= ALL_BUT_COLOR, \ 301 WINDOW_ATTRS(w) |= (A_COLOR & COLOR_PAIR(p)) 302 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b)) 303 #define VIDATTR(attr, pair) vidattr(attr) 304 #endif 305 306 #if NCURSES_NO_PADDING 307 #define GetNoPadding(sp) ((sp) ? (sp)->_no_padding : _nc_prescreen._no_padding) 308 #define SetNoPadding(sp) _nc_set_no_padding(sp) 309 extern NCURSES_EXPORT(void) _nc_set_no_padding(SCREEN *); 310 #else 311 #define GetNoPadding(sp) FALSE 312 #define SetNoPadding(sp) /*nothing*/ 313 #endif 314 315 #define WINDOW_ATTRS(w) ((w)->_attrs) 316 317 #define SCREEN_ATTRS(s) (*((s)->_current_attr)) 318 #define GET_SCREEN_PAIR(s) GetPair(SCREEN_ATTRS(s)) 319 #define SET_SCREEN_PAIR(s,p) SetPair(SCREEN_ATTRS(s), p) 320 321 #if USE_REENTRANT 322 NCURSES_EXPORT(int *) _nc_ptr_Lines (void); 323 NCURSES_EXPORT(int *) _nc_ptr_Cols (void); 324 #define ptrLines() (SP ? &(SP->_LINES) : &(_nc_prescreen._LINES)) 325 #define ptrCols() (SP ? &(SP->_COLS) : &(_nc_prescreen._COLS)) 326 #define SET_LINES(value) *_nc_ptr_Lines() = value 327 #define SET_COLS(value) *_nc_ptr_Cols() = value 328 #else 329 #define ptrLines() &LINES 330 #define ptrCols() &COLS 331 #define SET_LINES(value) LINES = value 332 #define SET_COLS(value) COLS = value 333 #endif 334 335 #define TR_MUTEX(data) _tracef("%s@%d: me:%08lX COUNT:%2u/%2d/%6d/%2d/%s%9u: " #data, \ 336 __FILE__, __LINE__, \ 337 (unsigned long) (pthread_self()), \ 338 data.__data.__lock, \ 339 data.__data.__count, \ 340 data.__data.__owner, \ 341 data.__data.__kind, \ 342 (data.__data.__nusers > 5) ? " OOPS " : "", \ 343 data.__data.__nusers) 344 #define TR_GLOBAL_MUTEX(name) TR_MUTEX(_nc_globals.mutex_##name) 345 346 #ifdef USE_PTHREADS 347 348 #if USE_REENTRANT 349 #include <pthread.h> 350 extern NCURSES_EXPORT(void) _nc_init_pthreads(void); 351 extern NCURSES_EXPORT(void) _nc_mutex_init(pthread_mutex_t *); 352 extern NCURSES_EXPORT(int) _nc_mutex_lock(pthread_mutex_t *); 353 extern NCURSES_EXPORT(int) _nc_mutex_trylock(pthread_mutex_t *); 354 extern NCURSES_EXPORT(int) _nc_mutex_unlock(pthread_mutex_t *); 355 #define _nc_lock_global(name) _nc_mutex_lock(&_nc_globals.mutex_##name) 356 #define _nc_try_global(name) _nc_mutex_trylock(&_nc_globals.mutex_##name) 357 #define _nc_unlock_global(name) _nc_mutex_unlock(&_nc_globals.mutex_##name) 358 359 #else 360 #error POSIX threads requires --enable-reentrant option 361 #endif 362 363 #if USE_WEAK_SYMBOLS 364 #if defined(__GNUC__) 365 # if defined __USE_ISOC99 366 # define _cat_pragma(exp) _Pragma(#exp) 367 # define _weak_pragma(exp) _cat_pragma(weak name) 368 # else 369 # define _weak_pragma(exp) 370 # endif 371 # define _declare(name) __extension__ extern __typeof__(name) name 372 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak)) 373 #endif 374 #endif 375 376 #ifdef USE_PTHREADS 377 # if USE_WEAK_SYMBOLS 378 weak_symbol(pthread_sigmask); 379 weak_symbol(pthread_self); 380 weak_symbol(pthread_equal); 381 weak_symbol(pthread_mutex_init); 382 weak_symbol(pthread_mutex_lock); 383 weak_symbol(pthread_mutex_unlock); 384 weak_symbol(pthread_mutex_trylock); 385 weak_symbol(pthread_mutexattr_settype); 386 weak_symbol(pthread_mutexattr_init); 387 extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *); 388 # undef sigprocmask 389 # define sigprocmask _nc_sigprocmask 390 # endif 391 #endif 392 393 #if HAVE_NANOSLEEP 394 #undef HAVE_NANOSLEEP 395 #define HAVE_NANOSLEEP 0 /* nanosleep suspends all threads */ 396 #endif 397 398 #else /* !USE_PTHREADS */ 399 400 #define _nc_init_pthreads() /* nothing */ 401 #define _nc_mutex_init(obj) /* nothing */ 402 403 #define _nc_lock_global(name) /* nothing */ 404 #define _nc_try_global(name) 0 405 #define _nc_unlock_global(name) /* nothing */ 406 407 #endif /* USE_PTHREADS */ 408 409 #if HAVE_GETTIMEOFDAY 410 # define PRECISE_GETTIME 1 411 # define TimeType struct timeval 412 #else 413 # define PRECISE_GETTIME 0 414 # define TimeType time_t 415 #endif 416 417 /* 418 * Definitions for color pairs 419 */ 420 typedef unsigned colorpair_t; /* type big enough to store PAIR_OF() */ 421 #define C_SHIFT 9 /* we need more bits than there are colors */ 422 #define C_MASK ((1 << C_SHIFT) - 1) 423 #define PAIR_OF(fg, bg) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK)) 424 #define isDefaultColor(c) ((c) >= COLOR_DEFAULT || (c) < 0) 425 426 #define COLOR_DEFAULT C_MASK 427 428 #if defined(USE_TERMLIB) && !defined(NEED_NCURSES_CH_T) 429 430 #undef NCURSES_CH_T /* this is not a termlib feature */ 431 #define NCURSES_CH_T void /* ...but we need a pointer in SCREEN */ 432 433 #endif /* USE_TERMLIB */ 434 435 #ifndef USE_TERMLIB 436 struct ldat 437 { 438 NCURSES_CH_T *text; /* text of the line */ 439 NCURSES_SIZE_T firstchar; /* first changed character in the line */ 440 NCURSES_SIZE_T lastchar; /* last changed character in the line */ 441 NCURSES_SIZE_T oldindex; /* index of the line at last update */ 442 }; 443 #endif /* USE_TERMLIB */ 444 445 typedef enum { 446 M_XTERM = -1 /* use xterm's mouse tracking? */ 447 ,M_NONE = 0 /* no mouse device */ 448 #if USE_GPM_SUPPORT 449 ,M_GPM /* use GPM */ 450 #endif 451 #if USE_SYSMOUSE 452 ,M_SYSMOUSE /* FreeBSD sysmouse on console */ 453 #endif 454 } MouseType; 455 456 /* 457 * Structures for scrolling. 458 */ 459 460 typedef struct { 461 unsigned long hashval; 462 int oldcount, newcount; 463 int oldindex, newindex; 464 } HASHMAP; 465 466 /* 467 * Structures for soft labels. 468 */ 469 470 struct _SLK; 471 472 #ifndef USE_TERMLIB 473 474 typedef struct 475 { 476 char *ent_text; /* text for the label */ 477 char *form_text; /* formatted text (left/center/...) */ 478 int ent_x; /* x coordinate of this field */ 479 char dirty; /* this label has changed */ 480 char visible; /* field is visible */ 481 } slk_ent; 482 483 typedef struct _SLK { 484 char dirty; /* all labels have changed */ 485 char hidden; /* soft labels are hidden */ 486 WINDOW *win; 487 slk_ent *ent; 488 short maxlab; /* number of available labels */ 489 short labcnt; /* number of allocated labels */ 490 short maxlen; /* length of labels */ 491 NCURSES_CH_T attr; /* soft label attribute */ 492 } SLK; 493 494 #endif /* USE_TERMLIB */ 495 496 typedef struct { 497 WINDOW *win; /* the window used in the hook */ 498 int line; /* lines to take, < 0 => from bottom*/ 499 int (*hook)(WINDOW *, int); /* callback for user */ 500 } ripoff_t; 501 502 #if USE_GPM_SUPPORT 503 #undef buttons /* term.h defines this, and gpm uses it! */ 504 #include <gpm.h> 505 506 #ifdef HAVE_LIBDL 507 /* link dynamically to GPM */ 508 typedef int *TYPE_gpm_fd; 509 typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int); 510 typedef int (*TYPE_Gpm_Close) (void); 511 typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *); 512 513 #define my_gpm_fd SP->_mouse_gpm_fd 514 #define my_Gpm_Open SP->_mouse_Gpm_Open 515 #define my_Gpm_Close SP->_mouse_Gpm_Close 516 #define my_Gpm_GetEvent SP->_mouse_Gpm_GetEvent 517 #else 518 /* link statically to GPM */ 519 #define my_gpm_fd &gpm_fd 520 #define my_Gpm_Open Gpm_Open 521 #define my_Gpm_Close Gpm_Close 522 #define my_Gpm_GetEvent Gpm_GetEvent 523 #endif /* HAVE_LIBDL */ 524 #endif /* USE_GPM_SUPPORT */ 525 526 typedef struct { 527 long sequence; 528 bool last_used; 529 char *fix_sgr0; /* this holds the filtered sgr0 string */ 530 char *last_bufp; /* help with fix_sgr0 leak */ 531 TERMINAL *last_term; 532 } TGETENT_CACHE; 533 534 #define TGETENT_MAX 4 535 536 /* 537 * State of tparm(). 538 */ 539 #define STACKSIZE 20 540 541 typedef struct { 542 union { 543 int num; 544 char *str; 545 } data; 546 bool num_type; 547 } STACK_FRAME; 548 549 #define NUM_VARS 26 550 551 typedef struct { 552 #ifdef TRACE 553 const char *tname; 554 #endif 555 const char *tparam_base; 556 557 STACK_FRAME stack[STACKSIZE]; 558 int stack_ptr; 559 560 char *out_buff; 561 size_t out_size; 562 size_t out_used; 563 564 char *fmt_buff; 565 size_t fmt_size; 566 567 int dynamic_var[NUM_VARS]; 568 int static_vars[NUM_VARS]; 569 } TPARM_STATE; 570 571 typedef struct { 572 char *text; 573 size_t size; 574 } TRACEBUF; 575 576 /* 577 * The filesystem database normally uses a single-letter for the lower level 578 * of directories. Use a hexadecimal code for filesystems which do not 579 * preserve mixed-case names. 580 */ 581 #if MIXEDCASE_FILENAMES 582 #define LEAF_FMT "%c" 583 #else 584 #define LEAF_FMT "%02x" 585 #endif 586 587 /* 588 * TRACEMSE_FMT is no longer than 80 columns, there are 5 numbers that 589 * could at most have 10 digits, and the mask contains no more than 32 bits 590 * with each bit representing less than 15 characters. Usually the whole 591 * string is less than 80 columns, but this buffer size is an absolute 592 * limit. 593 */ 594 #define TRACEMSE_MAX (80 + (5 * 10) + (32 * 15)) 595 #define TRACEMSE_FMT "id %2d at (%2d, %2d, %2d) state %4lx = {" /* } */ 596 597 /* 598 * Global data which is not specific to a screen. 599 */ 600 typedef struct { 601 SIG_ATOMIC_T have_sigwinch; 602 SIG_ATOMIC_T cleanup_nested; 603 604 bool init_signals; 605 bool init_screen; 606 607 const char *comp_sourcename; 608 char *comp_termtype; 609 610 bool have_tic_directory; 611 bool keep_tic_directory; 612 const char *tic_directory; 613 614 char *dbi_list; 615 int dbi_size; 616 617 char *first_name; 618 char **keyname_table; 619 620 int slk_format; 621 622 char *safeprint_buf; 623 size_t safeprint_used; 624 625 TGETENT_CACHE tgetent_cache[TGETENT_MAX]; 626 int tgetent_index; 627 long tgetent_sequence; 628 629 WINDOWLIST *_nc_windowlist; 630 #define _nc_windows _nc_globals._nc_windowlist 631 632 #if USE_HOME_TERMINFO 633 char *home_terminfo; 634 #endif 635 636 #if !USE_SAFE_SPRINTF 637 int safeprint_cols; 638 int safeprint_rows; 639 #endif 640 641 #ifdef TRACE 642 bool init_trace; 643 char trace_fname[PATH_MAX]; 644 int trace_level; 645 FILE *trace_fp; 646 647 char *tracearg_buf; 648 size_t tracearg_used; 649 650 TRACEBUF *tracebuf_ptr; 651 size_t tracebuf_used; 652 653 char tracechr_buf[40]; 654 655 char *tracedmp_buf; 656 size_t tracedmp_used; 657 658 unsigned char *tracetry_buf; 659 size_t tracetry_used; 660 661 #define _nc_globals_traceatr_color_buf_size 80 662 char traceatr_color_buf[2][_nc_globals_traceatr_color_buf_size]; 663 int traceatr_color_sel; 664 int traceatr_color_last; 665 666 #endif /* TRACE */ 667 668 #ifdef USE_PTHREADS 669 pthread_mutex_t mutex_curses; 670 pthread_mutex_t mutex_tst_tracef; 671 pthread_mutex_t mutex_tracef; 672 int nested_tracef; 673 int use_pthreads; 674 #define _nc_use_pthreads _nc_globals.use_pthreads 675 #endif 676 } NCURSES_GLOBALS; 677 678 extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals; 679 680 #define N_RIPS 5 681 682 /* 683 * Global data which can be swept up into a SCREEN when one is created. 684 * It may be modified before the next SCREEN is created. 685 */ 686 typedef struct { 687 bool use_env; 688 bool filter_mode; 689 attr_t previous_attr; 690 ripoff_t rippedoff[N_RIPS]; 691 ripoff_t *rsp; 692 TPARM_STATE tparm_state; 693 TTY *saved_tty; /* savetty/resetty information */ 694 #if NCURSES_NO_PADDING 695 bool _no_padding; /* flag to set if padding disabled */ 696 #endif 697 #if BROKEN_LINKER || USE_REENTRANT 698 chtype *real_acs_map; 699 int _LINES; 700 int _COLS; 701 TERMINAL *_cur_term; 702 #ifdef TRACE 703 long _outchars; 704 const char *_tputs_trace; 705 #endif 706 #endif 707 } NCURSES_PRESCREEN; 708 709 #define ripoff_sp _nc_prescreen.rsp 710 #define ripoff_stack _nc_prescreen.rippedoff 711 712 extern NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen; 713 714 /* 715 * The SCREEN structure. 716 */ 717 718 struct screen { 719 int _ifd; /* input file ptr for screen */ 720 FILE *_ofp; /* output file ptr for screen */ 721 char *_setbuf; /* buffered I/O for output */ 722 bool _filtered; /* filter() was called */ 723 bool _buffered; /* setvbuf uses _setbuf data */ 724 int _checkfd; /* filedesc for typeahead check */ 725 TERMINAL *_term; /* terminal type information */ 726 TTY _saved_tty; /* savetty/resetty information */ 727 NCURSES_SIZE_T _lines; /* screen lines */ 728 NCURSES_SIZE_T _columns; /* screen columns */ 729 730 NCURSES_SIZE_T _lines_avail; /* lines available for stdscr */ 731 NCURSES_SIZE_T _topstolen; /* lines stolen from top */ 732 733 WINDOW *_curscr; /* current screen */ 734 WINDOW *_newscr; /* virtual screen to be updated to */ 735 WINDOW *_stdscr; /* screen's full-window context */ 736 737 TRIES *_keytry; /* "Try" for use with keypad mode */ 738 TRIES *_key_ok; /* Disabled keys via keyok(,FALSE) */ 739 bool _tried; /* keypad mode was initialized */ 740 bool _keypad_on; /* keypad mode is currently on */ 741 742 bool _called_wgetch; /* check for recursion in wgetch() */ 743 int _fifo[FIFO_SIZE]; /* input push-back buffer */ 744 short _fifohead, /* head of fifo queue */ 745 _fifotail, /* tail of fifo queue */ 746 _fifopeek, /* where to peek for next char */ 747 _fifohold; /* set if breakout marked */ 748 749 int _endwin; /* are we out of window mode? */ 750 NCURSES_CH_T *_current_attr; /* holds current attributes set */ 751 int _coloron; /* is color enabled? */ 752 int _color_defs; /* are colors modified */ 753 int _cursor; /* visibility of the cursor */ 754 int _cursrow; /* physical cursor row */ 755 int _curscol; /* physical cursor column */ 756 bool _notty; /* true if we cannot switch non-tty */ 757 int _nl; /* True if NL -> CR/NL is on */ 758 int _raw; /* True if in raw mode */ 759 int _cbreak; /* 1 if in cbreak mode */ 760 /* > 1 if in halfdelay mode */ 761 int _echo; /* True if echo on */ 762 int _use_meta; /* use the meta key? */ 763 struct _SLK *_slk; /* ptr to soft key struct / NULL */ 764 int slk_format; /* selected format for this screen */ 765 /* cursor movement costs; units are 10ths of milliseconds */ 766 #if NCURSES_NO_PADDING 767 bool _no_padding; /* flag to set if padding disabled */ 768 #endif 769 int _char_padding; /* cost of character put */ 770 int _cr_cost; /* cost of (carriage_return) */ 771 int _cup_cost; /* cost of (cursor_address) */ 772 int _home_cost; /* cost of (cursor_home) */ 773 int _ll_cost; /* cost of (cursor_to_ll) */ 774 #if USE_HARD_TABS 775 int _ht_cost; /* cost of (tab) */ 776 int _cbt_cost; /* cost of (backtab) */ 777 #endif /* USE_HARD_TABS */ 778 int _cub1_cost; /* cost of (cursor_left) */ 779 int _cuf1_cost; /* cost of (cursor_right) */ 780 int _cud1_cost; /* cost of (cursor_down) */ 781 int _cuu1_cost; /* cost of (cursor_up) */ 782 int _cub_cost; /* cost of (parm_cursor_left) */ 783 int _cuf_cost; /* cost of (parm_cursor_right) */ 784 int _cud_cost; /* cost of (parm_cursor_down) */ 785 int _cuu_cost; /* cost of (parm_cursor_up) */ 786 int _hpa_cost; /* cost of (column_address) */ 787 int _vpa_cost; /* cost of (row_address) */ 788 /* used in tty_update.c, must be chars */ 789 int _ed_cost; /* cost of (clr_eos) */ 790 int _el_cost; /* cost of (clr_eol) */ 791 int _el1_cost; /* cost of (clr_bol) */ 792 int _dch1_cost; /* cost of (delete_character) */ 793 int _ich1_cost; /* cost of (insert_character) */ 794 int _dch_cost; /* cost of (parm_dch) */ 795 int _ich_cost; /* cost of (parm_ich) */ 796 int _ech_cost; /* cost of (erase_chars) */ 797 int _rep_cost; /* cost of (repeat_char) */ 798 int _hpa_ch_cost; /* cost of (column_address) */ 799 int _cup_ch_cost; /* cost of (cursor_address) */ 800 int _cuf_ch_cost; /* cost of (parm_cursor_right) */ 801 int _inline_cost; /* cost of inline-move */ 802 int _smir_cost; /* cost of (enter_insert_mode) */ 803 int _rmir_cost; /* cost of (exit_insert_mode) */ 804 int _ip_cost; /* cost of (insert_padding) */ 805 /* used in lib_mvcur.c */ 806 char * _address_cursor; 807 /* used in tty_update.c */ 808 int _scrolling; /* 1 if terminal's smart enough to */ 809 810 /* used in lib_color.c */ 811 color_t *_color_table; /* screen's color palette */ 812 int _color_count; /* count of colors in palette */ 813 colorpair_t *_color_pairs; /* screen's color pair list */ 814 int _pair_count; /* count of color pairs */ 815 #if NCURSES_EXT_FUNCS 816 bool _default_color; /* use default colors */ 817 bool _has_sgr_39_49; /* has ECMA default color support */ 818 int _default_fg; /* assumed default foreground */ 819 int _default_bg; /* assumed default background */ 820 #endif 821 chtype _ok_attributes; /* valid attributes for terminal */ 822 chtype _xmc_suppress; /* attributes to suppress if xmc */ 823 chtype _xmc_triggers; /* attributes to process if xmc */ 824 chtype * _acs_map; /* the real alternate-charset map */ 825 bool * _screen_acs_map; 826 827 828 /* used in lib_vidattr.c */ 829 bool _use_rmso; /* true if we may use 'rmso' */ 830 bool _use_rmul; /* true if we may use 'rmul' */ 831 832 /* 833 * These data correspond to the state of the idcok() and idlok() 834 * functions. A caveat is in order here: the XSI and SVr4 835 * documentation specify that these functions apply to the window which 836 * is given as an argument. However, ncurses implements this logic 837 * only for the newscr/curscr update process, _not_ per-window. 838 */ 839 bool _nc_sp_idlok; 840 bool _nc_sp_idcok; 841 #define _nc_idlok SP->_nc_sp_idlok 842 #define _nc_idcok SP->_nc_sp_idcok 843 844 /* 845 * These are the data that support the mouse interface. 846 */ 847 bool _mouse_initialized; 848 MouseType _mouse_type; 849 int _maxclick; 850 bool (*_mouse_event) (SCREEN *); 851 bool (*_mouse_inline)(SCREEN *); 852 bool (*_mouse_parse) (SCREEN *, int); 853 void (*_mouse_resume)(SCREEN *); 854 void (*_mouse_wrap) (SCREEN *); 855 int _mouse_fd; /* file-descriptor, if any */ 856 bool _mouse_active; /* true if initialized */ 857 mmask_t _mouse_mask; 858 NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */ 859 MEVENT _mouse_events[EV_MAX]; /* hold the last mouse event seen */ 860 MEVENT *_mouse_eventp; /* next free slot in event queue */ 861 862 #if USE_GPM_SUPPORT 863 bool _mouse_gpm_loaded; 864 bool _mouse_gpm_found; 865 #ifdef HAVE_LIBDL 866 void *_dlopen_gpm; 867 TYPE_gpm_fd _mouse_gpm_fd; 868 TYPE_Gpm_Open _mouse_Gpm_Open; 869 TYPE_Gpm_Close _mouse_Gpm_Close; 870 TYPE_Gpm_GetEvent _mouse_Gpm_GetEvent; 871 #endif 872 Gpm_Connect _mouse_gpm_connect; 873 #endif /* USE_GPM_SUPPORT */ 874 875 #if USE_EMX_MOUSE 876 int _emxmouse_wfd; 877 int _emxmouse_thread; 878 int _emxmouse_activated; 879 char _emxmouse_buttons[4]; 880 #endif 881 882 #if USE_SYSMOUSE 883 MEVENT _sysmouse_fifo[FIFO_SIZE]; 884 int _sysmouse_head; 885 int _sysmouse_tail; 886 int _sysmouse_char_width; /* character width */ 887 int _sysmouse_char_height; /* character height */ 888 int _sysmouse_old_buttons; 889 int _sysmouse_new_buttons; 890 #endif 891 892 /* 893 * This supports automatic resizing 894 */ 895 #if USE_SIZECHANGE 896 int (*_resize)(int,int); 897 #endif 898 899 /* 900 * These are data that support the proper handling of the panel stack on an 901 * per screen basis. 902 */ 903 struct panelhook _panelHook; 904 905 bool _sig_winch; 906 SCREEN *_next_screen; 907 908 /* hashes for old and new lines */ 909 unsigned long *oldhash, *newhash; 910 HASHMAP *hashtab; 911 int hashtab_len; 912 int *_oldnum_list; 913 int _oldnum_size; 914 915 bool _cleanup; /* cleanup after int/quit signal */ 916 int (*_outch)(int); /* output handler if not putc */ 917 918 int _legacy_coding; /* see use_legacy_coding() */ 919 920 #if USE_REENTRANT 921 char _ttytype[NAMESIZE]; 922 int _ESCDELAY; 923 int _TABSIZE; 924 int _LINES; 925 int _COLS; 926 #ifdef TRACE 927 long _outchars; 928 const char *_tputs_trace; 929 #endif 930 #endif 931 932 #ifdef TRACE 933 #define _nc_screen_tracechr_buf_size 40 934 char tracechr_buf[_nc_screen_tracechr_buf_size]; 935 char tracemse_buf[TRACEMSE_MAX]; 936 #endif 937 /* 938 * ncurses/ncursesw are the same up to this point. 939 */ 940 #if USE_WIDEC_SUPPORT 941 /* recent versions of 'screen' have partially-working support for 942 * UTF-8, but do not permit ACS at the same time (see tty_update.c). 943 */ 944 bool _screen_acs_fix; 945 #endif 946 }; 947 948 extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain; 949 extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch; 950 951 WINDOWLIST { 952 WINDOW win; /* first, so WINDOW_EXT() works */ 953 WINDOWLIST *next; 954 SCREEN *screen; /* screen containing the window */ 955 #ifdef _XOPEN_SOURCE_EXTENDED 956 char addch_work[(MB_LEN_MAX * 9) + 1]; 957 unsigned addch_used; /* number of bytes in addch_work[] */ 958 int addch_x; /* x-position for addch_work[] */ 959 int addch_y; /* y-position for addch_work[] */ 960 #endif 961 }; 962 963 #define WINDOW_EXT(win,field) (((WINDOWLIST *)(win))->field) 964 965 /* usually in <limits.h> */ 966 #ifndef UCHAR_MAX 967 #define UCHAR_MAX 255 968 #endif 969 970 /* The terminfo source is assumed to be 7-bit ASCII */ 971 #define is7bits(c) ((unsigned)(c) < 128) 972 973 /* Checks for isprint() should be done on 8-bit characters (non-wide) */ 974 #define is8bits(c) ((unsigned)(c) <= UCHAR_MAX) 975 976 #ifndef min 977 #define min(a,b) ((a) > (b) ? (b) : (a)) 978 #endif 979 980 #ifndef max 981 #define max(a,b) ((a) < (b) ? (b) : (a)) 982 #endif 983 984 /* usually in <unistd.h> */ 985 #ifndef STDIN_FILENO 986 #define STDIN_FILENO 0 987 #endif 988 989 #ifndef STDOUT_FILENO 990 #define STDOUT_FILENO 1 991 #endif 992 993 #ifndef STDERR_FILENO 994 #define STDERR_FILENO 2 995 #endif 996 997 #ifndef EXIT_SUCCESS 998 #define EXIT_SUCCESS 0 999 #endif 1000 1001 #ifndef EXIT_FAILURE 1002 #define EXIT_FAILURE 1 1003 #endif 1004 1005 #ifndef R_OK 1006 #define R_OK 4 /* Test for read permission. */ 1007 #endif 1008 #ifndef W_OK 1009 #define W_OK 2 /* Test for write permission. */ 1010 #endif 1011 #ifndef X_OK 1012 #define X_OK 1 /* Test for execute permission. */ 1013 #endif 1014 #ifndef F_OK 1015 #define F_OK 0 /* Test for existence. */ 1016 #endif 1017 1018 #if HAVE_FCNTL_H 1019 #include <fcntl.h> /* may define O_BINARY */ 1020 #endif 1021 1022 #ifndef O_BINARY 1023 #define O_BINARY 0 1024 #endif 1025 1026 #ifdef TRACE 1027 #if USE_REENTRANT 1028 #define COUNT_OUTCHARS(n) _nc_count_outchars(n); 1029 #else 1030 #define COUNT_OUTCHARS(n) _nc_outchars += (n); 1031 #endif 1032 #else 1033 #define COUNT_OUTCHARS(n) /* nothing */ 1034 #endif 1035 1036 #define RESET_OUTCHARS() COUNT_OUTCHARS(-_nc_outchars) 1037 1038 #define UChar(c) ((unsigned char)(c)) 1039 #define ChCharOf(c) ((c) & (chtype)A_CHARTEXT) 1040 #define ChAttrOf(c) ((c) & (chtype)A_ATTRIBUTES) 1041 1042 #ifndef MB_LEN_MAX 1043 #define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */ 1044 #endif 1045 1046 #if USE_WIDEC_SUPPORT /* { */ 1047 #define isEILSEQ(status) (((size_t)status == (size_t)-1) && (errno == EILSEQ)) 1048 1049 #define init_mb(state) memset(&state, 0, sizeof(state)) 1050 1051 #if NCURSES_EXT_COLORS 1052 #define NulColor , 0 1053 #else 1054 #define NulColor /* nothing */ 1055 #endif 1056 1057 #define NulChar 0,0,0,0 /* FIXME: see CCHARW_MAX */ 1058 #define CharOf(c) ((c).chars[0]) 1059 #define AttrOf(c) ((c).attr) 1060 1061 #define AddAttr(c,a) AttrOf(c) |= ((a) & A_ATTRIBUTES) 1062 #define RemAttr(c,a) AttrOf(c) &= ~((a) & A_ATTRIBUTES) 1063 #define SetAttr(c,a) AttrOf(c) = ((a) & A_ATTRIBUTES) | WidecExt(c) 1064 1065 #define NewChar2(c,a) { a, { c, NulChar } NulColor } 1066 #define NewChar(ch) NewChar2(ChCharOf(ch), ChAttrOf(ch)) 1067 1068 #if CCHARW_MAX == 5 1069 #define CharEq(a,b) (((a).attr == (b).attr) \ 1070 && (a).chars[0] == (b).chars[0] \ 1071 && (a).chars[1] == (b).chars[1] \ 1072 && (a).chars[2] == (b).chars[2] \ 1073 && (a).chars[3] == (b).chars[3] \ 1074 && (a).chars[4] == (b).chars[4] \ 1075 if_EXT_COLORS(&& (a).ext_color == (b).ext_color)) 1076 #else 1077 #define CharEq(a,b) (!memcmp(&(a), &(b), sizeof(a))) 1078 #endif 1079 1080 #define SetChar(ch,c,a) do { \ 1081 NCURSES_CH_T *_cp = &ch; \ 1082 memset(_cp, 0, sizeof(ch)); \ 1083 _cp->chars[0] = (c); \ 1084 _cp->attr = (a); \ 1085 if_EXT_COLORS(SetPair(ch, PAIR_NUMBER(a))); \ 1086 } while (0) 1087 #define CHREF(wch) (&wch) 1088 #define CHDEREF(wch) (*wch) 1089 #define ARG_CH_T NCURSES_CH_T * 1090 #define CARG_CH_T const NCURSES_CH_T * 1091 #define PUTC_DATA char PUTC_buf[MB_LEN_MAX]; int PUTC_i, PUTC_n; \ 1092 mbstate_t PUT_st; wchar_t PUTC_ch 1093 #define PUTC_INIT init_mb (PUT_st) 1094 #define PUTC(ch,b) do { if(!isWidecExt(ch)) { \ 1095 if (Charable(ch)) { \ 1096 fputc(CharOf(ch), b); \ 1097 COUNT_OUTCHARS(1); \ 1098 } else { \ 1099 PUTC_INIT; \ 1100 for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) { \ 1101 PUTC_ch = (ch).chars[PUTC_i]; \ 1102 if (PUTC_ch == L'\0') \ 1103 break; \ 1104 PUTC_n = wcrtomb(PUTC_buf, \ 1105 (ch).chars[PUTC_i], &PUT_st); \ 1106 if (PUTC_n <= 0) { \ 1107 if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) \ 1108 putc(PUTC_ch,b); \ 1109 break; \ 1110 } \ 1111 fwrite(PUTC_buf, (unsigned) PUTC_n, 1, b); \ 1112 } \ 1113 COUNT_OUTCHARS(PUTC_i); \ 1114 } } } while (0) 1115 1116 #define BLANK NewChar2(' ', WA_NORMAL) 1117 #define ZEROS NewChar2('\0', WA_NORMAL) 1118 #define ISBLANK(ch) ((ch).chars[0] == L' ' && (ch).chars[1] == L'\0') 1119 1120 /* 1121 * Wide characters cannot be represented in the A_CHARTEXT mask of 1122 * attr_t's but an application might have set a narrow character there. 1123 * But even in that case, it would only be a printable character, or 1124 * zero. Otherwise we can use those bits to tell if a cell is the 1125 * first or extension part of a wide character. 1126 */ 1127 #define WidecExt(ch) (AttrOf(ch) & A_CHARTEXT) 1128 #define isWidecBase(ch) (WidecExt(ch) == 1) 1129 #define isWidecExt(ch) (WidecExt(ch) > 1 && WidecExt(ch) < 32) 1130 #define SetWidecExt(dst, ext) AttrOf(dst) &= ~A_CHARTEXT, \ 1131 AttrOf(dst) |= (ext + 1) 1132 1133 #define if_WIDEC(code) code 1134 #define Charable(ch) ((SP != 0 && SP->_legacy_coding) \ 1135 || (AttrOf(ch) & A_ALTCHARSET) \ 1136 || (!isWidecExt(ch) && \ 1137 (ch).chars[1] == L'\0' && \ 1138 _nc_is_charable(CharOf(ch)))) 1139 1140 #define L(ch) L ## ch 1141 #else /* }{ */ 1142 #define CharOf(c) ChCharOf(c) 1143 #define AttrOf(c) ChAttrOf(c) 1144 #define AddAttr(c,a) c |= (a) 1145 #define RemAttr(c,a) c &= ~((a) & A_ATTRIBUTES) 1146 #define SetAttr(c,a) c = ((c) & ~A_ATTRIBUTES) | (a) 1147 #define NewChar(ch) (ch) 1148 #define NewChar2(c,a) ((c) | (a)) 1149 #define CharEq(a,b) ((a) == (b)) 1150 #define SetChar(ch,c,a) ch = (c) | (a) 1151 #define CHREF(wch) wch 1152 #define CHDEREF(wch) wch 1153 #define ARG_CH_T NCURSES_CH_T 1154 #define CARG_CH_T NCURSES_CH_T 1155 #define PUTC_DATA int data = 0 1156 #define PUTC(ch,b) do { data = CharOf(ch); putc(data,b); } while (0) 1157 1158 #define BLANK (' '|A_NORMAL) 1159 #define ZEROS ('\0'|A_NORMAL) 1160 #define ISBLANK(ch) (CharOf(ch) == ' ') 1161 1162 #define isWidecExt(ch) (0) 1163 #define if_WIDEC(code) /* nothing */ 1164 1165 #define L(ch) ch 1166 #endif /* } */ 1167 1168 #define AttrOfD(ch) AttrOf(CHDEREF(ch)) 1169 #define CharOfD(ch) CharOf(CHDEREF(ch)) 1170 #define SetChar2(wch,ch) SetChar(wch,ChCharOf(ch),ChAttrOf(ch)) 1171 1172 #define BLANK_ATTR A_NORMAL 1173 #define BLANK_TEXT L(' ') 1174 1175 #define CHANGED -1 1176 1177 #define LEGALYX(w, y, x) \ 1178 ((w) != 0 && \ 1179 ((x) >= 0 && (x) <= (w)->_maxx && \ 1180 (y) >= 0 && (y) <= (w)->_maxy)) 1181 1182 #define CHANGED_CELL(line,col) \ 1183 if (line->firstchar == _NOCHANGE) \ 1184 line->firstchar = line->lastchar = col; \ 1185 else if ((col) < line->firstchar) \ 1186 line->firstchar = col; \ 1187 else if ((col) > line->lastchar) \ 1188 line->lastchar = col 1189 1190 #define CHANGED_RANGE(line,start,end) \ 1191 if (line->firstchar == _NOCHANGE \ 1192 || line->firstchar > (start)) \ 1193 line->firstchar = start; \ 1194 if (line->lastchar == _NOCHANGE \ 1195 || line->lastchar < (end)) \ 1196 line->lastchar = end 1197 1198 #define CHANGED_TO_EOL(line,start,end) \ 1199 if (line->firstchar == _NOCHANGE \ 1200 || line->firstchar > (start)) \ 1201 line->firstchar = start; \ 1202 line->lastchar = end 1203 1204 #define SIZEOF(v) (sizeof(v)/sizeof(v[0])) 1205 1206 #define FreeIfNeeded(p) if ((p) != 0) free(p) 1207 1208 /* FreeAndNull() is not a comma-separated expression because some compilers 1209 * do not accept a mixture of void with values. 1210 */ 1211 #define FreeAndNull(p) free(p); p = 0 1212 1213 #include <nc_alloc.h> 1214 1215 /* 1216 * TTY bit definition for converting tabs to spaces. 1217 */ 1218 #ifdef TAB3 1219 # define OFLAGS_TABS TAB3 /* POSIX specifies TAB3 */ 1220 #else 1221 # ifdef XTABS 1222 # define OFLAGS_TABS XTABS /* XTABS is usually the "same" */ 1223 # else 1224 # ifdef OXTABS 1225 # define OFLAGS_TABS OXTABS /* the traditional BSD equivalent */ 1226 # else 1227 # define OFLAGS_TABS 0 1228 # endif 1229 # endif 1230 #endif 1231 1232 /* 1233 * Standardize/simplify common loops 1234 */ 1235 #define each_screen(p) p = _nc_screen_chain; p != 0; p = (p)->_next_screen 1236 #define each_window(p) p = _nc_windows; p != 0; p = (p)->next 1237 #define each_ripoff(p) p = ripoff_stack; (p - ripoff_stack) < N_RIPS; ++p 1238 1239 /* 1240 * Prefixes for call/return points of library function traces. We use these to 1241 * instrument the public functions so that the traces can be easily transformed 1242 * into regression scripts. 1243 */ 1244 #define T_CALLED(fmt) "called {" fmt 1245 #define T_CREATE(fmt) "create :" fmt 1246 #define T_RETURN(fmt) "return }" fmt 1247 1248 #ifdef TRACE 1249 1250 #if USE_REENTRANT 1251 #define TPUTS_TRACE(s) _nc_set_tputs_trace(s); 1252 #else 1253 #define TPUTS_TRACE(s) _nc_tputs_trace = s; 1254 #endif 1255 1256 #define START_TRACE() \ 1257 if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \ 1258 int t = _nc_getenv_num("NCURSES_TRACE"); \ 1259 if (t >= 0) \ 1260 trace((unsigned) t); \ 1261 } 1262 1263 /* 1264 * Many of the _tracef() calls use static buffers; lock the trace state before 1265 * trying to fill them. 1266 */ 1267 #if USE_REENTRANT 1268 #define USE_TRACEF(mask) _nc_use_tracef(mask) 1269 extern NCURSES_EXPORT(int) _nc_use_tracef (unsigned); 1270 extern NCURSES_EXPORT(void) _nc_locked_tracef (const char *, ...) GCC_PRINTFLIKE(1,2); 1271 #else 1272 #define USE_TRACEF(mask) (_nc_tracing & (mask)) 1273 #define _nc_locked_tracef _tracef 1274 #endif 1275 1276 #define TR(n, a) if (USE_TRACEF(n)) _nc_locked_tracef a 1277 #define T(a) TR(TRACE_CALLS, a) 1278 #define TRACE_RETURN(value,type) return _nc_retrace_##type(value) 1279 1280 #define returnAttr(code) TRACE_RETURN(code,attr_t) 1281 #define returnBits(code) TRACE_RETURN(code,unsigned) 1282 #define returnBool(code) TRACE_RETURN(code,bool) 1283 #define returnCPtr(code) TRACE_RETURN(code,cptr) 1284 #define returnCVoidPtr(code) TRACE_RETURN(code,cvoid_ptr) 1285 #define returnChar(code) TRACE_RETURN(code,chtype) 1286 #define returnCode(code) TRACE_RETURN(code,int) 1287 #define returnPtr(code) TRACE_RETURN(code,ptr) 1288 #define returnSP(code) TRACE_RETURN(code,sp) 1289 #define returnVoid T((T_RETURN(""))); return 1290 #define returnVoidPtr(code) TRACE_RETURN(code,void_ptr) 1291 #define returnWin(code) TRACE_RETURN(code,win) 1292 1293 extern NCURSES_EXPORT(NCURSES_BOOL) _nc_retrace_bool (NCURSES_BOOL); 1294 extern NCURSES_EXPORT(NCURSES_CONST void *) _nc_retrace_cvoid_ptr (NCURSES_CONST void *); 1295 extern NCURSES_EXPORT(SCREEN *) _nc_retrace_sp (SCREEN *); 1296 extern NCURSES_EXPORT(WINDOW *) _nc_retrace_win (WINDOW *); 1297 extern NCURSES_EXPORT(attr_t) _nc_retrace_attr_t (attr_t); 1298 extern NCURSES_EXPORT(char *) _nc_retrace_ptr (char *); 1299 extern NCURSES_EXPORT(char *) _nc_trace_ttymode(TTY *tty); 1300 extern NCURSES_EXPORT(char *) _nc_varargs (const char *, va_list); 1301 extern NCURSES_EXPORT(chtype) _nc_retrace_chtype (chtype); 1302 extern NCURSES_EXPORT(const char *) _nc_altcharset_name(attr_t, chtype); 1303 extern NCURSES_EXPORT(const char *) _nc_retrace_cptr (const char *); 1304 extern NCURSES_EXPORT(int) _nc_retrace_int (int); 1305 extern NCURSES_EXPORT(unsigned) _nc_retrace_unsigned (unsigned); 1306 extern NCURSES_EXPORT(void *) _nc_retrace_void_ptr (void *); 1307 extern NCURSES_EXPORT(void) _nc_fifo_dump (SCREEN *); 1308 1309 #if USE_REENTRANT 1310 NCURSES_WRAPPED_VAR(long, _nc_outchars); 1311 NCURSES_WRAPPED_VAR(const char *, _nc_tputs_trace); 1312 #define _nc_outchars NCURSES_PUBLIC_VAR(_nc_outchars()) 1313 #define _nc_tputs_trace NCURSES_PUBLIC_VAR(_nc_tputs_trace()) 1314 extern NCURSES_EXPORT(void) _nc_set_tputs_trace (const char *); 1315 extern NCURSES_EXPORT(void) _nc_count_outchars (long); 1316 #else 1317 extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace; 1318 extern NCURSES_EXPORT_VAR(long) _nc_outchars; 1319 #endif 1320 1321 extern NCURSES_EXPORT_VAR(unsigned) _nc_tracing; 1322 1323 #if USE_WIDEC_SUPPORT 1324 extern NCURSES_EXPORT(const char *) _nc_viswbuf2 (int, const wchar_t *); 1325 extern NCURSES_EXPORT(const char *) _nc_viswbufn (const wchar_t *, int); 1326 #endif 1327 1328 extern NCURSES_EXPORT(const char *) _nc_viscbuf2 (int, const NCURSES_CH_T *, int); 1329 extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int); 1330 1331 #else /* !TRACE */ 1332 1333 #define START_TRACE() /* nothing */ 1334 1335 #define T(a) 1336 #define TR(n, a) 1337 #define TPUTS_TRACE(s) 1338 1339 #define returnAttr(code) return code 1340 #define returnBits(code) return code 1341 #define returnBool(code) return code 1342 #define returnCPtr(code) return code 1343 #define returnCVoidPtr(code) return code 1344 #define returnChar(code) return code 1345 #define returnCode(code) return code 1346 #define returnPtr(code) return code 1347 #define returnSP(code) return code 1348 #define returnVoid return 1349 #define returnVoidPtr(code) return code 1350 #define returnWin(code) return code 1351 1352 #endif /* TRACE/!TRACE */ 1353 1354 /* 1355 * Return-codes for tgetent() and friends. 1356 */ 1357 #define TGETENT_YES 1 /* entry is found */ 1358 #define TGETENT_NO 0 /* entry is not found */ 1359 #define TGETENT_ERR -1 /* an error occurred */ 1360 1361 extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *); 1362 extern NCURSES_EXPORT(const char *) _nc_visbufn (const char *, int); 1363 1364 #define EMPTY_MODULE(name) \ 1365 extern NCURSES_EXPORT(void) name (void); \ 1366 NCURSES_EXPORT(void) name (void) { } 1367 1368 #define ALL_BUT_COLOR ((chtype)~(A_COLOR)) 1369 #define NONBLANK_ATTR (A_NORMAL|A_BOLD|A_DIM|A_BLINK) 1370 #define XMC_CHANGES(c) ((c) & SP->_xmc_suppress) 1371 1372 #define toggle_attr_on(S,at) {\ 1373 if (PAIR_NUMBER(at) > 0) {\ 1374 (S) = ((S) & ALL_BUT_COLOR) | (at);\ 1375 } else {\ 1376 (S) |= (at);\ 1377 }\ 1378 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));} 1379 1380 1381 #define toggle_attr_off(S,at) {\ 1382 if (PAIR_NUMBER(at) > 0) {\ 1383 (S) &= ~(at|A_COLOR);\ 1384 } else {\ 1385 (S) &= ~(at);\ 1386 }\ 1387 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));} 1388 1389 #define DelCharCost(count) \ 1390 ((parm_dch != 0) \ 1391 ? SP->_dch_cost \ 1392 : ((delete_character != 0) \ 1393 ? (SP->_dch1_cost * count) \ 1394 : INFINITY)) 1395 1396 #define InsCharCost(count) \ 1397 ((parm_ich != 0) \ 1398 ? SP->_ich_cost \ 1399 : ((enter_insert_mode && exit_insert_mode) \ 1400 ? SP->_smir_cost + SP->_rmir_cost + (SP->_ip_cost * count) \ 1401 : ((insert_character != 0) \ 1402 ? ((SP->_ich1_cost + SP->_ip_cost) * count) \ 1403 : INFINITY))) 1404 1405 #if USE_XMC_SUPPORT 1406 #define UpdateAttrs(c) if (!SameAttrOf(SCREEN_ATTRS(SP), c)) { \ 1407 attr_t chg = AttrOf(SCREEN_ATTRS(SP)); \ 1408 VIDATTR(AttrOf(c), GetPair(c)); \ 1409 if (magic_cookie_glitch > 0 \ 1410 && XMC_CHANGES((chg ^ AttrOf(SCREEN_ATTRS(SP))))) { \ 1411 T(("%s @%d before glitch %d,%d", \ 1412 __FILE__, __LINE__, \ 1413 SP->_cursrow, \ 1414 SP->_curscol)); \ 1415 _nc_do_xmc_glitch(chg); \ 1416 } \ 1417 } 1418 #else 1419 #define UpdateAttrs(c) if (!SameAttrOf(SCREEN_ATTRS(SP), c)) \ 1420 VIDATTR(AttrOf(c), GetPair(c)); 1421 #endif 1422 1423 /* 1424 * Macros to make additional parameter to implement wgetch_events() 1425 */ 1426 #ifdef NCURSES_WGETCH_EVENTS 1427 #define EVENTLIST_0th(param) param 1428 #define EVENTLIST_1st(param) param 1429 #define EVENTLIST_2nd(param) , param 1430 #else 1431 #define EVENTLIST_0th(param) void 1432 #define EVENTLIST_1st(param) /* nothing */ 1433 #define EVENTLIST_2nd(param) /* nothing */ 1434 #endif 1435 1436 #if NCURSES_EXPANDED && NCURSES_EXT_FUNCS 1437 1438 #undef toggle_attr_on 1439 #define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at) 1440 extern NCURSES_EXPORT(void) _nc_toggle_attr_on (attr_t *, attr_t); 1441 1442 #undef toggle_attr_off 1443 #define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at) 1444 extern NCURSES_EXPORT(void) _nc_toggle_attr_off (attr_t *, attr_t); 1445 1446 #undef DelCharCost 1447 #define DelCharCost(count) _nc_DelCharCost(count) 1448 extern NCURSES_EXPORT(int) _nc_DelCharCost (int); 1449 1450 #undef InsCharCost 1451 #define InsCharCost(count) _nc_InsCharCost(count) 1452 extern NCURSES_EXPORT(int) _nc_InsCharCost (int); 1453 1454 #undef UpdateAttrs 1455 #define UpdateAttrs(c) _nc_UpdateAttrs(c) 1456 extern NCURSES_EXPORT(void) _nc_UpdateAttrs (NCURSES_CH_T); 1457 1458 #else 1459 1460 extern NCURSES_EXPORT(void) _nc_expanded (void); 1461 1462 #endif 1463 1464 #if !NCURSES_EXT_FUNCS 1465 #define set_escdelay(value) ESCDELAY = value 1466 #endif 1467 1468 #if !HAVE_GETCWD 1469 #define getcwd(buf,len) getwd(buf) 1470 #endif 1471 1472 /* charable.c */ 1473 #if USE_WIDEC_SUPPORT 1474 extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t); 1475 extern NCURSES_EXPORT(int) _nc_to_char(wint_t); 1476 extern NCURSES_EXPORT(wint_t) _nc_to_widechar(int); 1477 #endif 1478 1479 /* comp_captab.c */ 1480 typedef struct { 1481 short nte_name; /* offset of name to hash on */ 1482 int nte_type; /* BOOLEAN, NUMBER or STRING */ 1483 short nte_index; /* index of associated variable in its array */ 1484 short nte_link; /* index in table of next hash, or -1 */ 1485 } name_table_data; 1486 1487 typedef struct 1488 { 1489 short from; 1490 short to; 1491 short source; 1492 } alias_table_data; 1493 1494 /* doupdate.c */ 1495 #if USE_XMC_SUPPORT 1496 extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t); 1497 #endif 1498 1499 /* hardscroll.c */ 1500 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG) 1501 extern NCURSES_EXPORT(void) _nc_linedump (void); 1502 #endif 1503 1504 /* lib_acs.c */ 1505 extern NCURSES_EXPORT(void) _nc_init_acs (void); /* corresponds to traditional 'init_acs()' */ 1506 extern NCURSES_EXPORT(int) _nc_msec_cost (const char *const, int); /* used by 'tack' program */ 1507 1508 /* lib_addch.c */ 1509 #if USE_WIDEC_SUPPORT 1510 NCURSES_EXPORT(int) _nc_build_wch(WINDOW *win, ARG_CH_T ch); 1511 #endif 1512 1513 /* lib_addstr.c */ 1514 #if USE_WIDEC_SUPPORT && !defined(USE_TERMLIB) 1515 extern NCURSES_EXPORT(int) _nc_wchstrlen(const cchar_t *); 1516 #endif 1517 1518 /* lib_color.c */ 1519 extern NCURSES_EXPORT(bool) _nc_reset_colors(void); 1520 1521 /* lib_getch.c */ 1522 extern NCURSES_EXPORT(int) _nc_wgetch(WINDOW *, unsigned long *, int EVENTLIST_2nd(_nc_eventlist *)); 1523 1524 /* lib_insch.c */ 1525 extern NCURSES_EXPORT(int) _nc_insert_ch(WINDOW *, chtype); 1526 1527 /* lib_mvcur.c */ 1528 #define INFINITY 1000000 /* cost: too high to use */ 1529 1530 extern NCURSES_EXPORT(void) _nc_mvcur_init (void); 1531 extern NCURSES_EXPORT(void) _nc_mvcur_resume (void); 1532 extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void); 1533 1534 extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int); 1535 1536 extern NCURSES_EXPORT(void) _nc_screen_init (void); 1537 extern NCURSES_EXPORT(void) _nc_screen_resume (void); 1538 extern NCURSES_EXPORT(void) _nc_screen_wrap (void); 1539 1540 /* lib_mouse.c */ 1541 extern NCURSES_EXPORT(int) _nc_has_mouse (void); 1542 1543 /* lib_mvcur.c */ 1544 #define INFINITY 1000000 /* cost: too high to use */ 1545 #define BAUDBYTE 9 /* 9 = 7 bits + 1 parity + 1 stop */ 1546 1547 /* lib_setup.c */ 1548 extern NCURSES_EXPORT(char *) _nc_get_locale(void); 1549 extern NCURSES_EXPORT(int) _nc_unicode_locale(void); 1550 extern NCURSES_EXPORT(int) _nc_locale_breaks_acs(TERMINAL *); 1551 extern NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *, int, int *, bool); 1552 extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, int *, int *); 1553 1554 /* lib_tstp.c */ 1555 #if USE_SIGWINCH 1556 extern NCURSES_EXPORT(int) _nc_handle_sigwinch(SCREEN *); 1557 #else 1558 #define _nc_handle_sigwinch(a) /* nothing */ 1559 #endif 1560 1561 /* lib_ungetch.c */ 1562 extern NCURSES_EXPORT(int) _nc_ungetch (SCREEN *, int); 1563 1564 /* lib_wacs.c */ 1565 #if USE_WIDEC_SUPPORT 1566 extern NCURSES_EXPORT(void) _nc_init_wacs(void); 1567 #endif 1568 1569 typedef struct { 1570 char *s_head; /* beginning of the string (may be null) */ 1571 char *s_tail; /* end of the string (may be null) */ 1572 size_t s_size; /* current remaining size available */ 1573 size_t s_init; /* total size available */ 1574 } string_desc; 1575 1576 /* strings.c */ 1577 extern NCURSES_EXPORT(string_desc *) _nc_str_init (string_desc *, char *, size_t); 1578 extern NCURSES_EXPORT(string_desc *) _nc_str_null (string_desc *, size_t); 1579 extern NCURSES_EXPORT(string_desc *) _nc_str_copy (string_desc *, string_desc *); 1580 extern NCURSES_EXPORT(bool) _nc_safe_strcat (string_desc *, const char *); 1581 extern NCURSES_EXPORT(bool) _nc_safe_strcpy (string_desc *, const char *); 1582 1583 #if !HAVE_STRSTR 1584 #define strstr _nc_strstr 1585 extern NCURSES_EXPORT(char *) _nc_strstr (const char *, const char *); 1586 #endif 1587 1588 /* safe_sprintf.c */ 1589 extern NCURSES_EXPORT(char *) _nc_printf_string (const char *, va_list); 1590 1591 /* tries.c */ 1592 extern NCURSES_EXPORT(int) _nc_add_to_try (TRIES **, const char *, unsigned); 1593 extern NCURSES_EXPORT(char *) _nc_expand_try (TRIES *, unsigned, int *, size_t); 1594 extern NCURSES_EXPORT(int) _nc_remove_key (TRIES **, unsigned); 1595 extern NCURSES_EXPORT(int) _nc_remove_string (TRIES **, const char *); 1596 1597 /* elsewhere ... */ 1598 extern NCURSES_EXPORT(ENTRY *) _nc_delink_entry (ENTRY *, TERMTYPE *); 1599 extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_keyname (SCREEN *, int); 1600 extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_unctrl (SCREEN *, chtype); 1601 extern NCURSES_EXPORT(SCREEN *) _nc_screen_of (WINDOW *); 1602 extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int); 1603 extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t); 1604 extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *); 1605 extern NCURSES_EXPORT(char *) _nc_tracechar (SCREEN *, int); 1606 extern NCURSES_EXPORT(char *) _nc_tracemouse (SCREEN *, MEVENT const *); 1607 extern NCURSES_EXPORT(int) _nc_access (const char *, int); 1608 extern NCURSES_EXPORT(int) _nc_baudrate (int); 1609 extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *); 1610 extern NCURSES_EXPORT(int) _nc_getenv_num (const char *); 1611 extern NCURSES_EXPORT(int) _nc_keypad (SCREEN *, bool); 1612 extern NCURSES_EXPORT(int) _nc_ospeed (int); 1613 extern NCURSES_EXPORT(int) _nc_outch (int); 1614 extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const); 1615 extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, bool, int); 1616 extern NCURSES_EXPORT(int) _nc_timed_wait (SCREEN *, int, int, int * EVENTLIST_2nd(_nc_eventlist *)); 1617 extern NCURSES_EXPORT(void) _nc_do_color (short, short, bool, int (*)(int)); 1618 extern NCURSES_EXPORT(void) _nc_flush (void); 1619 extern NCURSES_EXPORT(void) _nc_free_and_exit (int); 1620 extern NCURSES_EXPORT(void) _nc_free_entry (ENTRY *, TERMTYPE *); 1621 extern NCURSES_EXPORT(void) _nc_freeall (void); 1622 extern NCURSES_EXPORT(void) _nc_hash_map (void); 1623 extern NCURSES_EXPORT(void) _nc_init_keytry (SCREEN *); 1624 extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *); 1625 extern NCURSES_EXPORT(void) _nc_make_oldhash (int i); 1626 extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot); 1627 extern NCURSES_EXPORT(void) _nc_scroll_optimize (void); 1628 extern NCURSES_EXPORT(void) _nc_set_buffer (FILE *, bool); 1629 extern NCURSES_EXPORT(void) _nc_signal_handler (bool); 1630 extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *); 1631 extern NCURSES_EXPORT(void) _nc_trace_tries (TRIES *); 1632 1633 #if NO_LEAKS 1634 extern NCURSES_EXPORT(void) _nc_alloc_entry_leaks(void); 1635 extern NCURSES_EXPORT(void) _nc_captoinfo_leaks(void); 1636 extern NCURSES_EXPORT(void) _nc_codes_leaks(void); 1637 extern NCURSES_EXPORT(void) _nc_comp_captab_leaks(void); 1638 extern NCURSES_EXPORT(void) _nc_comp_scan_leaks(void); 1639 extern NCURSES_EXPORT(void) _nc_keyname_leaks(void); 1640 extern NCURSES_EXPORT(void) _nc_names_leaks(void); 1641 extern NCURSES_EXPORT(void) _nc_tgetent_leaks(void); 1642 #endif 1643 1644 #ifndef USE_TERMLIB 1645 extern NCURSES_EXPORT(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T); 1646 extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const NCURSES_CH_T); 1647 extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, NCURSES_SIZE_T const, NCURSES_SIZE_T const, NCURSES_CH_T); 1648 #endif 1649 1650 #if USE_WIDEC_SUPPORT && !defined(USE_TERMLIB) 1651 extern NCURSES_EXPORT(size_t) _nc_wcrtomb (char *, wchar_t, mbstate_t *); 1652 #endif 1653 1654 #if USE_SIZECHANGE 1655 extern NCURSES_EXPORT(void) _nc_update_screensize (SCREEN *); 1656 #endif 1657 1658 #if HAVE_RESIZETERM 1659 extern NCURSES_EXPORT(void) _nc_resize_margins (WINDOW *); 1660 #else 1661 #define _nc_resize_margins(wp) /* nothing */ 1662 #endif 1663 1664 #ifdef NCURSES_WGETCH_EVENTS 1665 extern NCURSES_EXPORT(int) _nc_eventlist_timeout(_nc_eventlist *); 1666 #else 1667 #define wgetch_events(win, evl) wgetch(win) 1668 #define wgetnstr_events(win, str, maxlen, evl) wgetnstr(win, str, maxlen) 1669 #endif 1670 1671 /* 1672 * Not everyone has vsscanf(), but we'd like to use it for scanw(). 1673 */ 1674 #if !HAVE_VSSCANF 1675 extern int vsscanf(const char *str, const char *format, va_list __arg); 1676 #endif 1677 1678 /* scroll indices */ 1679 extern NCURSES_EXPORT_VAR(int *) _nc_oldnums; 1680 1681 #define USE_SETBUF_0 0 1682 1683 #define NC_BUFFERED(flag) _nc_set_buffer(SP->_ofp, flag) 1684 1685 #define NC_OUTPUT ((SP != 0) ? SP->_ofp : stdout) 1686 1687 /* 1688 * On systems with a broken linker, define 'SP' as a function to force the 1689 * linker to pull in the data-only module with 'SP'. 1690 */ 1691 #if BROKEN_LINKER 1692 #define SP _nc_screen() 1693 extern NCURSES_EXPORT(SCREEN *) _nc_screen (void); 1694 extern NCURSES_EXPORT(int) _nc_alloc_screen (void); 1695 extern NCURSES_EXPORT(void) _nc_set_screen (SCREEN *); 1696 #else 1697 /* current screen is private data; avoid possible linking conflicts too */ 1698 extern NCURSES_EXPORT_VAR(SCREEN *) SP; 1699 #define _nc_alloc_screen() ((SP = typeCalloc(SCREEN, 1)) != 0) 1700 #define _nc_set_screen(sp) SP = sp 1701 #endif 1702 1703 /* 1704 * We don't want to use the lines or columns capabilities internally, because 1705 * if the application is running multiple screens under X, it's quite possible 1706 * they could all have type xterm but have different sizes! So... 1707 */ 1708 #define screen_lines SP->_lines 1709 #define screen_columns SP->_columns 1710 1711 extern NCURSES_EXPORT(int) _nc_slk_initialize (WINDOW *, int); 1712 1713 /* 1714 * Some constants related to SLK's 1715 */ 1716 #define MAX_SKEY_OLD 8 /* count of soft keys */ 1717 #define MAX_SKEY_LEN_OLD 8 /* max length of soft key text */ 1718 #define MAX_SKEY_PC 12 /* This is what most PC's have */ 1719 #define MAX_SKEY_LEN_PC 5 1720 1721 /* Macro to check whether or not we use a standard format */ 1722 #define SLK_STDFMT(fmt) (fmt < 3) 1723 /* Macro to determine height of label window */ 1724 #define SLK_LINES(fmt) (SLK_STDFMT(fmt) ? 1 : ((fmt) - 2)) 1725 1726 #define MAX_SKEY(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_OLD : MAX_SKEY_PC) 1727 #define MAX_SKEY_LEN(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC) 1728 1729 extern NCURSES_EXPORT(int) _nc_ripoffline (int line, int (*init)(WINDOW *,int)); 1730 1731 /* 1732 * Common error messages 1733 */ 1734 #define MSG_NO_MEMORY "Out of memory" 1735 #define MSG_NO_INPUTS "Premature EOF" 1736 1737 #ifdef __cplusplus 1738 } 1739 #endif 1740 1741 #endif /* CURSES_PRIV_H */ 1742