1 /**************************************************************************** 2 * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29 /**************************************************************************** 30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 31 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 32 * and: Thomas E. Dickey 1996-on * 33 ****************************************************************************/ 34 35 36 /* 37 * $Id: curses.priv.h,v 1.394 2008/10/04 21:37:45 tom Exp $ 38 * 39 * curses.priv.h 40 * 41 * Header file for curses library objects which are private to 42 * the library. 43 * 44 */ 45 46 #ifndef CURSES_PRIV_H 47 #define CURSES_PRIV_H 1 48 49 #include <ncurses_dll.h> 50 51 #ifdef __cplusplus 52 extern "C" { 53 #endif 54 55 #include <ncurses_cfg.h> 56 57 #if USE_RCS_IDS 58 #define MODULE_ID(id) static const char Ident[] = id; 59 #else 60 #define MODULE_ID(id) /*nothing*/ 61 #endif 62 63 #include <stdlib.h> 64 #include <string.h> 65 #include <sys/types.h> 66 67 #if HAVE_UNISTD_H 68 #include <unistd.h> 69 #endif 70 71 #if HAVE_SYS_BSDTYPES_H 72 #include <sys/bsdtypes.h> /* needed for ISC */ 73 #endif 74 75 #if HAVE_LIMITS_H 76 # include <limits.h> 77 #elif HAVE_SYS_PARAM_H 78 # include <sys/param.h> 79 #endif 80 81 #include <assert.h> 82 #include <stdio.h> 83 84 #include <errno.h> 85 86 #ifndef PATH_MAX 87 # if defined(_POSIX_PATH_MAX) 88 # define PATH_MAX _POSIX_PATH_MAX 89 # elif defined(MAXPATHLEN) 90 # define PATH_MAX MAXPATHLEN 91 # else 92 # define PATH_MAX 255 /* the Posix minimum path-size */ 93 # endif 94 #endif 95 96 #if DECL_ERRNO 97 extern int errno; 98 #endif 99 100 #include <nc_panel.h> 101 102 /* Some systems have a broken 'select()', but workable 'poll()'. Use that */ 103 #if HAVE_WORKING_POLL 104 #define USE_FUNC_POLL 1 105 #if HAVE_POLL_H 106 #include <poll.h> 107 #else 108 #include <sys/poll.h> 109 #endif 110 #else 111 #define USE_FUNC_POLL 0 112 #endif 113 114 /* include signal.h before curses.h to work-around defect in glibc 2.1.3 */ 115 #include <signal.h> 116 117 /* Alessandro Rubini's GPM (general-purpose mouse) */ 118 #if HAVE_LIBGPM && HAVE_GPM_H 119 #define USE_GPM_SUPPORT 1 120 #else 121 #define USE_GPM_SUPPORT 0 122 #endif 123 124 /* QNX mouse support */ 125 #if defined(__QNX__) && !defined(__QNXNTO__) 126 #define USE_QNX_MOUSE 1 127 #else 128 #define USE_QNX_MOUSE 0 129 #endif 130 131 /* EMX mouse support */ 132 #ifdef __EMX__ 133 #define USE_EMX_MOUSE 1 134 #else 135 #define USE_EMX_MOUSE 0 136 #endif 137 138 #define DEFAULT_MAXCLICK 166 139 #define EV_MAX 8 /* size of mouse circular event queue */ 140 141 /* 142 * If we don't have signals to support it, don't add a sigwinch handler. 143 * In any case, resizing is an extended feature. Use it if we've got it. 144 */ 145 #if !NCURSES_EXT_FUNCS 146 #undef HAVE_SIZECHANGE 147 #define HAVE_SIZECHANGE 0 148 #endif 149 150 #if HAVE_SIZECHANGE && USE_SIGWINCH && defined(SIGWINCH) 151 #define USE_SIZECHANGE 1 152 #else 153 #define USE_SIZECHANGE 0 154 #undef USE_SIGWINCH 155 #define USE_SIGWINCH 0 156 #endif 157 158 /* 159 * If desired, one can configure this, disabling environment variables that 160 * point to custom terminfo/termcap locations. 161 */ 162 #ifdef USE_ROOT_ENVIRON 163 #define use_terminfo_vars() 1 164 #else 165 #define use_terminfo_vars() _nc_env_access() 166 extern NCURSES_EXPORT(int) _nc_env_access (void); 167 #endif 168 169 /* 170 * Not all platforms have memmove; some have an equivalent bcopy. (Some may 171 * have neither). 172 */ 173 #if USE_OK_BCOPY 174 #define memmove(d,s,n) bcopy(s,d,n) 175 #elif USE_MY_MEMMOVE 176 #define memmove(d,s,n) _nc_memmove(d,s,n) 177 extern NCURSES_EXPORT(void *) _nc_memmove (void *, const void *, size_t); 178 #endif 179 180 /* 181 * Scroll hints are useless when hashmap is used 182 */ 183 #if !USE_SCROLL_HINTS 184 #if !USE_HASHMAP 185 #define USE_SCROLL_HINTS 1 186 #else 187 #define USE_SCROLL_HINTS 0 188 #endif 189 #endif 190 191 #if USE_SCROLL_HINTS 192 #define if_USE_SCROLL_HINTS(stmt) stmt 193 #else 194 #define if_USE_SCROLL_HINTS(stmt) /*nothing*/ 195 #endif 196 197 /* 198 * Note: ht/cbt expansion flakes out randomly under Linux 1.1.47, but only 199 * when we're throwing control codes at the screen at high volume. To see 200 * this, re-enable USE_HARD_TABS and run worm for a while. Other systems 201 * probably don't want to define this either due to uncertainties about tab 202 * delays and expansion in raw mode. 203 */ 204 205 #define TRIES struct tries 206 typedef TRIES { 207 TRIES *child; /* ptr to child. NULL if none */ 208 TRIES *sibling; /* ptr to sibling. NULL if none */ 209 unsigned char ch; /* character at this node */ 210 unsigned short value; /* code of string so far. 0 if none. */ 211 #undef TRIES 212 } TRIES; 213 214 /* 215 * Common/troublesome character definitions 216 */ 217 #define StringOf(ch) {ch, 0} 218 219 #define L_BRACE '{' 220 #define R_BRACE '}' 221 #define S_QUOTE '\'' 222 #define D_QUOTE '"' 223 224 #define VT_ACSC "``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~" 225 226 /* 227 * Structure for palette tables 228 */ 229 230 typedef struct 231 { 232 short red, green, blue; /* what color_content() returns */ 233 short r, g, b; /* params to init_color() */ 234 int init; /* true if we called init_color() */ 235 } 236 color_t; 237 238 #define MAXCOLUMNS 135 239 #define MAXLINES 66 240 #define FIFO_SIZE MAXCOLUMNS+2 /* for nocbreak mode input */ 241 242 #define ACS_LEN 128 243 244 #define WINDOWLIST struct _win_list 245 246 #if USE_WIDEC_SUPPORT 247 #define _nc_bkgd _bkgrnd 248 #else 249 #undef _XOPEN_SOURCE_EXTENDED 250 #define _nc_bkgd _bkgd 251 #define wgetbkgrnd(win, wch) *wch = win->_bkgd 252 #define wbkgrnd wbkgd 253 #endif 254 255 #undef NCURSES_OPAQUE 256 #define NCURSES_INTERNALS 1 257 #define NCURSES_OPAQUE 0 258 259 #include <curses.h> /* we'll use -Ipath directive to get the right one! */ 260 #include <term.h> 261 #include <term_entry.h> 262 #include <nc_tparm.h> 263 264 #if NCURSES_EXT_COLORS && USE_WIDEC_SUPPORT 265 #define if_EXT_COLORS(stmt) stmt 266 #define NetPair(value,p) (value).ext_color = (p), \ 267 AttrOf(value) &= ALL_BUT_COLOR, \ 268 AttrOf(value) |= (A_COLOR & COLOR_PAIR((p > 255) ? 255 : p)) 269 #define SetPair(value,p) (value).ext_color = (p) 270 #define GetPair(value) (value).ext_color 271 #define unColor(n) (AttrOf(n) & ALL_BUT_COLOR) 272 #define GET_WINDOW_PAIR(w) (w)->_color 273 #define SET_WINDOW_PAIR(w,p) (w)->_color = (p) 274 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b) && GetPair(a) == GetPair(b)) 275 #define VIDATTR(attr, pair) vid_attr(attr, pair, 0) 276 #else 277 #define if_EXT_COLORS(stmt) /* nothing */ 278 #define SetPair(value,p) RemAttr(value, A_COLOR), \ 279 SetAttr(value, AttrOf(value) | (A_COLOR & COLOR_PAIR(p))) 280 #define GetPair(value) PAIR_NUMBER(AttrOf(value)) 281 #define unColor(n) (AttrOf(n) & ALL_BUT_COLOR) 282 #define GET_WINDOW_PAIR(w) PAIR_NUMBER(WINDOW_ATTRS(w)) 283 #define SET_WINDOW_PAIR(w,p) WINDOW_ATTRS(w) &= ALL_BUT_COLOR, \ 284 WINDOW_ATTRS(w) |= (A_COLOR & COLOR_PAIR(p)) 285 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b)) 286 #define VIDATTR(attr, pair) vidattr(attr) 287 #endif 288 289 #if NCURSES_NO_PADDING 290 #define GetNoPadding(sp) ((sp) ? (sp)->_no_padding : _nc_prescreen._no_padding) 291 #define SetNoPadding(sp) _nc_set_no_padding(sp) 292 extern NCURSES_EXPORT(void) _nc_set_no_padding(SCREEN *); 293 #else 294 #define GetNoPadding(sp) FALSE 295 #define SetNoPadding(sp) /*nothing*/ 296 #endif 297 298 #define WINDOW_ATTRS(w) ((w)->_attrs) 299 300 #define SCREEN_ATTRS(s) (*((s)->_current_attr)) 301 #define GET_SCREEN_PAIR(s) GetPair(SCREEN_ATTRS(s)) 302 #define SET_SCREEN_PAIR(s,p) SetPair(SCREEN_ATTRS(s), p) 303 304 #if USE_REENTRANT 305 NCURSES_EXPORT(int *) _nc_ptr_Lines (void); 306 NCURSES_EXPORT(int *) _nc_ptr_Cols (void); 307 #define ptrLines() (SP ? &(SP->_LINES) : &(_nc_prescreen._LINES)) 308 #define ptrCols() (SP ? &(SP->_COLS) : &(_nc_prescreen._COLS)) 309 #define SET_LINES(value) *_nc_ptr_Lines() = value 310 #define SET_COLS(value) *_nc_ptr_Cols() = value 311 #else 312 #define ptrLines() &LINES 313 #define ptrCols() &COLS 314 #define SET_LINES(value) LINES = value 315 #define SET_COLS(value) COLS = value 316 #endif 317 318 #define TR_MUTEX(data) _tracef("%s@%d: me:%08lX COUNT:%2u/%2d/%6d/%2d/%s%9u: " #data, \ 319 __FILE__, __LINE__, \ 320 (unsigned long) (pthread_self()), \ 321 data.__data.__lock, \ 322 data.__data.__count, \ 323 data.__data.__owner, \ 324 data.__data.__kind, \ 325 (data.__data.__nusers > 5) ? " OOPS " : "", \ 326 data.__data.__nusers) 327 #define TR_GLOBAL_MUTEX(name) TR_MUTEX(_nc_globals.mutex_##name) 328 329 #ifdef USE_PTHREADS 330 331 #if USE_REENTRANT 332 #include <pthread.h> 333 extern NCURSES_EXPORT(void) _nc_init_pthreads(void); 334 extern NCURSES_EXPORT(void) _nc_mutex_init(pthread_mutex_t *); 335 extern NCURSES_EXPORT(int) _nc_mutex_lock(pthread_mutex_t *); 336 extern NCURSES_EXPORT(int) _nc_mutex_trylock(pthread_mutex_t *); 337 extern NCURSES_EXPORT(int) _nc_mutex_unlock(pthread_mutex_t *); 338 #define _nc_lock_global(name) _nc_mutex_lock(&_nc_globals.mutex_##name) 339 #define _nc_try_global(name) _nc_mutex_trylock(&_nc_globals.mutex_##name) 340 #define _nc_unlock_global(name) _nc_mutex_unlock(&_nc_globals.mutex_##name) 341 342 #else 343 #error POSIX threads requires --enable-reentrant option 344 #endif 345 346 #if USE_WEAK_SYMBOLS 347 #if defined(__GNUC__) 348 # if defined __USE_ISOC99 349 # define _cat_pragma(exp) _Pragma(#exp) 350 # define _weak_pragma(exp) _cat_pragma(weak name) 351 # else 352 # define _weak_pragma(exp) 353 # endif 354 # define _declare(name) __extension__ extern __typeof__(name) name 355 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak)) 356 #endif 357 #endif 358 359 #ifdef USE_PTHREADS 360 # if USE_WEAK_SYMBOLS 361 weak_symbol(pthread_sigmask); 362 weak_symbol(pthread_self); 363 weak_symbol(pthread_equal); 364 weak_symbol(pthread_mutex_init); 365 weak_symbol(pthread_mutex_lock); 366 weak_symbol(pthread_mutex_unlock); 367 weak_symbol(pthread_mutex_trylock); 368 weak_symbol(pthread_mutexattr_settype); 369 weak_symbol(pthread_mutexattr_init); 370 extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *); 371 # undef sigprocmask 372 # define sigprocmask _nc_sigprocmask 373 # endif 374 #endif 375 376 #if HAVE_NANOSLEEP 377 #undef HAVE_NANOSLEEP 378 #define HAVE_NANOSLEEP 0 /* nanosleep suspends all threads */ 379 #endif 380 381 #else /* !USE_PTHREADS */ 382 383 #define _nc_init_pthreads() /* nothing */ 384 #define _nc_mutex_init(obj) /* nothing */ 385 386 #define _nc_lock_global(name) /* nothing */ 387 #define _nc_try_global(name) 0 388 #define _nc_unlock_global(name) /* nothing */ 389 390 #endif /* USE_PTHREADS */ 391 392 #if HAVE_GETTIMEOFDAY 393 # define PRECISE_GETTIME 1 394 # define TimeType struct timeval 395 #else 396 # define PRECISE_GETTIME 0 397 # define TimeType time_t 398 #endif 399 400 /* 401 * Definitions for color pairs 402 */ 403 typedef unsigned colorpair_t; /* type big enough to store PAIR_OF() */ 404 #define C_SHIFT 9 /* we need more bits than there are colors */ 405 #define C_MASK ((1 << C_SHIFT) - 1) 406 #define PAIR_OF(fg, bg) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK)) 407 #define isDefaultColor(c) ((c) >= COLOR_DEFAULT || (c) < 0) 408 409 #define COLOR_DEFAULT C_MASK 410 411 #if defined(USE_TERMLIB) && !defined(NEED_NCURSES_CH_T) 412 413 #undef NCURSES_CH_T /* this is not a termlib feature */ 414 #define NCURSES_CH_T void /* ...but we need a pointer in SCREEN */ 415 416 #endif /* USE_TERMLIB */ 417 418 #ifndef USE_TERMLIB 419 struct ldat 420 { 421 NCURSES_CH_T *text; /* text of the line */ 422 NCURSES_SIZE_T firstchar; /* first changed character in the line */ 423 NCURSES_SIZE_T lastchar; /* last changed character in the line */ 424 NCURSES_SIZE_T oldindex; /* index of the line at last update */ 425 }; 426 #endif /* USE_TERMLIB */ 427 428 typedef enum { 429 M_XTERM = -1 /* use xterm's mouse tracking? */ 430 ,M_NONE = 0 /* no mouse device */ 431 #if USE_GPM_SUPPORT 432 ,M_GPM /* use GPM */ 433 #endif 434 #if USE_SYSMOUSE 435 ,M_SYSMOUSE /* FreeBSD sysmouse on console */ 436 #endif 437 } MouseType; 438 439 /* 440 * Structures for scrolling. 441 */ 442 443 typedef struct { 444 unsigned long hashval; 445 int oldcount, newcount; 446 int oldindex, newindex; 447 } HASHMAP; 448 449 /* 450 * Structures for soft labels. 451 */ 452 453 struct _SLK; 454 455 #ifndef USE_TERMLIB 456 457 typedef struct 458 { 459 char *ent_text; /* text for the label */ 460 char *form_text; /* formatted text (left/center/...) */ 461 int ent_x; /* x coordinate of this field */ 462 char dirty; /* this label has changed */ 463 char visible; /* field is visible */ 464 } slk_ent; 465 466 typedef struct _SLK { 467 char dirty; /* all labels have changed */ 468 char hidden; /* soft labels are hidden */ 469 WINDOW *win; 470 slk_ent *ent; 471 short maxlab; /* number of available labels */ 472 short labcnt; /* number of allocated labels */ 473 short maxlen; /* length of labels */ 474 NCURSES_CH_T attr; /* soft label attribute */ 475 } SLK; 476 477 #endif /* USE_TERMLIB */ 478 479 typedef struct { 480 WINDOW *win; /* the window used in the hook */ 481 int line; /* lines to take, < 0 => from bottom*/ 482 int (*hook)(WINDOW *, int); /* callback for user */ 483 } ripoff_t; 484 485 #if USE_GPM_SUPPORT 486 #undef buttons /* term.h defines this, and gpm uses it! */ 487 #include <gpm.h> 488 489 #ifdef HAVE_LIBDL 490 /* link dynamically to GPM */ 491 typedef int *TYPE_gpm_fd; 492 typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int); 493 typedef int (*TYPE_Gpm_Close) (void); 494 typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *); 495 496 #define my_gpm_fd SP->_mouse_gpm_fd 497 #define my_Gpm_Open SP->_mouse_Gpm_Open 498 #define my_Gpm_Close SP->_mouse_Gpm_Close 499 #define my_Gpm_GetEvent SP->_mouse_Gpm_GetEvent 500 #else 501 /* link statically to GPM */ 502 #define my_gpm_fd &gpm_fd 503 #define my_Gpm_Open Gpm_Open 504 #define my_Gpm_Close Gpm_Close 505 #define my_Gpm_GetEvent Gpm_GetEvent 506 #endif /* HAVE_LIBDL */ 507 #endif /* USE_GPM_SUPPORT */ 508 509 typedef struct { 510 long sequence; 511 bool last_used; 512 char *fix_sgr0; /* this holds the filtered sgr0 string */ 513 char *last_bufp; /* help with fix_sgr0 leak */ 514 TERMINAL *last_term; 515 } TGETENT_CACHE; 516 517 #define TGETENT_MAX 4 518 519 /* 520 * State of tparm(). 521 */ 522 #define STACKSIZE 20 523 524 typedef struct { 525 union { 526 int num; 527 char *str; 528 } data; 529 bool num_type; 530 } STACK_FRAME; 531 532 #define NUM_VARS 26 533 534 typedef struct { 535 #ifdef TRACE 536 const char *tname; 537 #endif 538 const char *tparam_base; 539 540 STACK_FRAME stack[STACKSIZE]; 541 int stack_ptr; 542 543 char *out_buff; 544 size_t out_size; 545 size_t out_used; 546 547 char *fmt_buff; 548 size_t fmt_size; 549 550 int dynamic_var[NUM_VARS]; 551 int static_vars[NUM_VARS]; 552 } TPARM_STATE; 553 554 typedef struct { 555 char *text; 556 size_t size; 557 } TRACEBUF; 558 559 /* 560 * The filesystem database normally uses a single-letter for the lower level 561 * of directories. Use a hexadecimal code for filesystems which do not 562 * preserve mixed-case names. 563 */ 564 #if MIXEDCASE_FILENAMES 565 #define LEAF_FMT "%c" 566 #else 567 #define LEAF_FMT "%02x" 568 #endif 569 570 /* 571 * TRACEMSE_FMT is no longer than 80 columns, there are 5 numbers that 572 * could at most have 10 digits, and the mask contains no more than 32 bits 573 * with each bit representing less than 15 characters. Usually the whole 574 * string is less than 80 columns, but this buffer size is an absolute 575 * limit. 576 */ 577 #define TRACEMSE_MAX (80 + (5 * 10) + (32 * 15)) 578 #define TRACEMSE_FMT "id %2d at (%2d, %2d, %2d) state %4lx = {" /* } */ 579 580 /* 581 * Global data which is not specific to a screen. 582 */ 583 typedef struct { 584 SIG_ATOMIC_T have_sigwinch; 585 SIG_ATOMIC_T cleanup_nested; 586 587 bool init_signals; 588 bool init_screen; 589 590 const char *comp_sourcename; 591 char *comp_termtype; 592 593 bool have_tic_directory; 594 bool keep_tic_directory; 595 const char *tic_directory; 596 597 char *dbi_list; 598 int dbi_size; 599 600 char *first_name; 601 char **keyname_table; 602 603 int slk_format; 604 605 char *safeprint_buf; 606 size_t safeprint_used; 607 608 TGETENT_CACHE tgetent_cache[TGETENT_MAX]; 609 int tgetent_index; 610 long tgetent_sequence; 611 612 WINDOWLIST *_nc_windowlist; 613 #define _nc_windows _nc_globals._nc_windowlist 614 615 #if USE_HOME_TERMINFO 616 char *home_terminfo; 617 #endif 618 619 #if !USE_SAFE_SPRINTF 620 int safeprint_cols; 621 int safeprint_rows; 622 #endif 623 624 #ifdef TRACE 625 bool init_trace; 626 char trace_fname[PATH_MAX]; 627 int trace_level; 628 FILE *trace_fp; 629 630 char *tracearg_buf; 631 size_t tracearg_used; 632 633 TRACEBUF *tracebuf_ptr; 634 size_t tracebuf_used; 635 636 char tracechr_buf[40]; 637 638 char *tracedmp_buf; 639 size_t tracedmp_used; 640 641 unsigned char *tracetry_buf; 642 size_t tracetry_used; 643 644 char traceatr_color_buf[2][80]; 645 int traceatr_color_sel; 646 int traceatr_color_last; 647 648 #endif /* TRACE */ 649 650 #ifdef USE_PTHREADS 651 pthread_mutex_t mutex_curses; 652 pthread_mutex_t mutex_tst_tracef; 653 pthread_mutex_t mutex_tracef; 654 int nested_tracef; 655 int use_pthreads; 656 #define _nc_use_pthreads _nc_globals.use_pthreads 657 #endif 658 } NCURSES_GLOBALS; 659 660 extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals; 661 662 #define N_RIPS 5 663 664 /* 665 * Global data which can be swept up into a SCREEN when one is created. 666 * It may be modified before the next SCREEN is created. 667 */ 668 typedef struct { 669 bool use_env; 670 bool filter_mode; 671 attr_t previous_attr; 672 ripoff_t rippedoff[N_RIPS]; 673 ripoff_t *rsp; 674 TPARM_STATE tparm_state; 675 TTY *saved_tty; /* savetty/resetty information */ 676 #if NCURSES_NO_PADDING 677 bool _no_padding; /* flag to set if padding disabled */ 678 #endif 679 #if BROKEN_LINKER || USE_REENTRANT 680 chtype *real_acs_map; 681 int _LINES; 682 int _COLS; 683 TERMINAL *_cur_term; 684 #ifdef TRACE 685 long _outchars; 686 const char *_tputs_trace; 687 #endif 688 #endif 689 } NCURSES_PRESCREEN; 690 691 #define ripoff_sp _nc_prescreen.rsp 692 #define ripoff_stack _nc_prescreen.rippedoff 693 694 extern NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen; 695 696 /* 697 * The SCREEN structure. 698 */ 699 700 struct screen { 701 int _ifd; /* input file ptr for screen */ 702 FILE *_ofp; /* output file ptr for screen */ 703 char *_setbuf; /* buffered I/O for output */ 704 bool _filtered; /* filter() was called */ 705 bool _buffered; /* setvbuf uses _setbuf data */ 706 int _checkfd; /* filedesc for typeahead check */ 707 TERMINAL *_term; /* terminal type information */ 708 TTY _saved_tty; /* savetty/resetty information */ 709 NCURSES_SIZE_T _lines; /* screen lines */ 710 NCURSES_SIZE_T _columns; /* screen columns */ 711 712 NCURSES_SIZE_T _lines_avail; /* lines available for stdscr */ 713 NCURSES_SIZE_T _topstolen; /* lines stolen from top */ 714 715 WINDOW *_curscr; /* current screen */ 716 WINDOW *_newscr; /* virtual screen to be updated to */ 717 WINDOW *_stdscr; /* screen's full-window context */ 718 719 TRIES *_keytry; /* "Try" for use with keypad mode */ 720 TRIES *_key_ok; /* Disabled keys via keyok(,FALSE) */ 721 bool _tried; /* keypad mode was initialized */ 722 bool _keypad_on; /* keypad mode is currently on */ 723 724 bool _called_wgetch; /* check for recursion in wgetch() */ 725 int _fifo[FIFO_SIZE]; /* input push-back buffer */ 726 short _fifohead, /* head of fifo queue */ 727 _fifotail, /* tail of fifo queue */ 728 _fifopeek, /* where to peek for next char */ 729 _fifohold; /* set if breakout marked */ 730 731 int _endwin; /* are we out of window mode? */ 732 NCURSES_CH_T *_current_attr; /* holds current attributes set */ 733 int _coloron; /* is color enabled? */ 734 int _color_defs; /* are colors modified */ 735 int _cursor; /* visibility of the cursor */ 736 int _cursrow; /* physical cursor row */ 737 int _curscol; /* physical cursor column */ 738 bool _notty; /* true if we cannot switch non-tty */ 739 int _nl; /* True if NL -> CR/NL is on */ 740 int _raw; /* True if in raw mode */ 741 int _cbreak; /* 1 if in cbreak mode */ 742 /* > 1 if in halfdelay mode */ 743 int _echo; /* True if echo on */ 744 int _use_meta; /* use the meta key? */ 745 struct _SLK *_slk; /* ptr to soft key struct / NULL */ 746 int slk_format; /* selected format for this screen */ 747 /* cursor movement costs; units are 10ths of milliseconds */ 748 #if NCURSES_NO_PADDING 749 bool _no_padding; /* flag to set if padding disabled */ 750 #endif 751 int _char_padding; /* cost of character put */ 752 int _cr_cost; /* cost of (carriage_return) */ 753 int _cup_cost; /* cost of (cursor_address) */ 754 int _home_cost; /* cost of (cursor_home) */ 755 int _ll_cost; /* cost of (cursor_to_ll) */ 756 #if USE_HARD_TABS 757 int _ht_cost; /* cost of (tab) */ 758 int _cbt_cost; /* cost of (backtab) */ 759 #endif /* USE_HARD_TABS */ 760 int _cub1_cost; /* cost of (cursor_left) */ 761 int _cuf1_cost; /* cost of (cursor_right) */ 762 int _cud1_cost; /* cost of (cursor_down) */ 763 int _cuu1_cost; /* cost of (cursor_up) */ 764 int _cub_cost; /* cost of (parm_cursor_left) */ 765 int _cuf_cost; /* cost of (parm_cursor_right) */ 766 int _cud_cost; /* cost of (parm_cursor_down) */ 767 int _cuu_cost; /* cost of (parm_cursor_up) */ 768 int _hpa_cost; /* cost of (column_address) */ 769 int _vpa_cost; /* cost of (row_address) */ 770 /* used in tty_update.c, must be chars */ 771 int _ed_cost; /* cost of (clr_eos) */ 772 int _el_cost; /* cost of (clr_eol) */ 773 int _el1_cost; /* cost of (clr_bol) */ 774 int _dch1_cost; /* cost of (delete_character) */ 775 int _ich1_cost; /* cost of (insert_character) */ 776 int _dch_cost; /* cost of (parm_dch) */ 777 int _ich_cost; /* cost of (parm_ich) */ 778 int _ech_cost; /* cost of (erase_chars) */ 779 int _rep_cost; /* cost of (repeat_char) */ 780 int _hpa_ch_cost; /* cost of (column_address) */ 781 int _cup_ch_cost; /* cost of (cursor_address) */ 782 int _cuf_ch_cost; /* cost of (parm_cursor_right) */ 783 int _inline_cost; /* cost of inline-move */ 784 int _smir_cost; /* cost of (enter_insert_mode) */ 785 int _rmir_cost; /* cost of (exit_insert_mode) */ 786 int _ip_cost; /* cost of (insert_padding) */ 787 /* used in lib_mvcur.c */ 788 char * _address_cursor; 789 /* used in tty_update.c */ 790 int _scrolling; /* 1 if terminal's smart enough to */ 791 792 /* used in lib_color.c */ 793 color_t *_color_table; /* screen's color palette */ 794 int _color_count; /* count of colors in palette */ 795 colorpair_t *_color_pairs; /* screen's color pair list */ 796 int _pair_count; /* count of color pairs */ 797 #if NCURSES_EXT_FUNCS 798 bool _default_color; /* use default colors */ 799 bool _has_sgr_39_49; /* has ECMA default color support */ 800 int _default_fg; /* assumed default foreground */ 801 int _default_bg; /* assumed default background */ 802 #endif 803 chtype _ok_attributes; /* valid attributes for terminal */ 804 chtype _xmc_suppress; /* attributes to suppress if xmc */ 805 chtype _xmc_triggers; /* attributes to process if xmc */ 806 chtype * _acs_map; /* the real alternate-charset map */ 807 bool * _screen_acs_map; 808 809 810 /* used in lib_vidattr.c */ 811 bool _use_rmso; /* true if we may use 'rmso' */ 812 bool _use_rmul; /* true if we may use 'rmul' */ 813 814 /* 815 * These data correspond to the state of the idcok() and idlok() 816 * functions. A caveat is in order here: the XSI and SVr4 817 * documentation specify that these functions apply to the window which 818 * is given as an argument. However, ncurses implements this logic 819 * only for the newscr/curscr update process, _not_ per-window. 820 */ 821 bool _nc_sp_idlok; 822 bool _nc_sp_idcok; 823 #define _nc_idlok SP->_nc_sp_idlok 824 #define _nc_idcok SP->_nc_sp_idcok 825 826 /* 827 * These are the data that support the mouse interface. 828 */ 829 bool _mouse_initialized; 830 MouseType _mouse_type; 831 int _maxclick; 832 bool (*_mouse_event) (SCREEN *); 833 bool (*_mouse_inline)(SCREEN *); 834 bool (*_mouse_parse) (SCREEN *, int); 835 void (*_mouse_resume)(SCREEN *); 836 void (*_mouse_wrap) (SCREEN *); 837 int _mouse_fd; /* file-descriptor, if any */ 838 bool _mouse_active; /* true if initialized */ 839 mmask_t _mouse_mask; 840 NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */ 841 MEVENT _mouse_events[EV_MAX]; /* hold the last mouse event seen */ 842 MEVENT *_mouse_eventp; /* next free slot in event queue */ 843 844 #if USE_GPM_SUPPORT 845 bool _mouse_gpm_loaded; 846 bool _mouse_gpm_found; 847 #ifdef HAVE_LIBDL 848 void *_dlopen_gpm; 849 TYPE_gpm_fd _mouse_gpm_fd; 850 TYPE_Gpm_Open _mouse_Gpm_Open; 851 TYPE_Gpm_Close _mouse_Gpm_Close; 852 TYPE_Gpm_GetEvent _mouse_Gpm_GetEvent; 853 #endif 854 Gpm_Connect _mouse_gpm_connect; 855 #endif /* USE_GPM_SUPPORT */ 856 857 #if USE_EMX_MOUSE 858 int _emxmouse_wfd; 859 int _emxmouse_thread; 860 int _emxmouse_activated; 861 char _emxmouse_buttons[4]; 862 #endif 863 864 #if USE_SYSMOUSE 865 MEVENT _sysmouse_fifo[FIFO_SIZE]; 866 int _sysmouse_head; 867 int _sysmouse_tail; 868 int _sysmouse_char_width; /* character width */ 869 int _sysmouse_char_height; /* character height */ 870 int _sysmouse_old_buttons; 871 int _sysmouse_new_buttons; 872 #endif 873 874 /* 875 * This supports automatic resizing 876 */ 877 #if USE_SIZECHANGE 878 int (*_resize)(int,int); 879 #endif 880 881 /* 882 * These are data that support the proper handling of the panel stack on an 883 * per screen basis. 884 */ 885 struct panelhook _panelHook; 886 887 bool _sig_winch; 888 SCREEN *_next_screen; 889 890 /* hashes for old and new lines */ 891 unsigned long *oldhash, *newhash; 892 HASHMAP *hashtab; 893 int hashtab_len; 894 int *_oldnum_list; 895 int _oldnum_size; 896 897 bool _cleanup; /* cleanup after int/quit signal */ 898 int (*_outch)(int); /* output handler if not putc */ 899 900 int _legacy_coding; /* see use_legacy_coding() */ 901 902 #if USE_REENTRANT 903 char _ttytype[NAMESIZE]; 904 int _ESCDELAY; 905 int _TABSIZE; 906 int _LINES; 907 int _COLS; 908 #ifdef TRACE 909 long _outchars; 910 const char *_tputs_trace; 911 #endif 912 #endif 913 914 #ifdef TRACE 915 char tracechr_buf[40]; 916 char tracemse_buf[TRACEMSE_MAX]; 917 #endif 918 /* 919 * ncurses/ncursesw are the same up to this point. 920 */ 921 #if USE_WIDEC_SUPPORT 922 /* recent versions of 'screen' have partially-working support for 923 * UTF-8, but do not permit ACS at the same time (see tty_update.c). 924 */ 925 bool _screen_acs_fix; 926 #endif 927 }; 928 929 extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain; 930 extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch; 931 932 WINDOWLIST { 933 WINDOW win; /* first, so WINDOW_EXT() works */ 934 WINDOWLIST *next; 935 SCREEN *screen; /* screen containing the window */ 936 #ifdef _XOPEN_SOURCE_EXTENDED 937 char addch_work[(MB_LEN_MAX * 9) + 1]; 938 unsigned addch_used; /* number of bytes in addch_work[] */ 939 int addch_x; /* x-position for addch_work[] */ 940 int addch_y; /* y-position for addch_work[] */ 941 #endif 942 }; 943 944 #define WINDOW_EXT(win,field) (((WINDOWLIST *)(win))->field) 945 946 /* usually in <limits.h> */ 947 #ifndef UCHAR_MAX 948 #define UCHAR_MAX 255 949 #endif 950 951 /* The terminfo source is assumed to be 7-bit ASCII */ 952 #define is7bits(c) ((unsigned)(c) < 128) 953 954 /* Checks for isprint() should be done on 8-bit characters (non-wide) */ 955 #define is8bits(c) ((unsigned)(c) <= UCHAR_MAX) 956 957 #ifndef min 958 #define min(a,b) ((a) > (b) ? (b) : (a)) 959 #endif 960 961 #ifndef max 962 #define max(a,b) ((a) < (b) ? (b) : (a)) 963 #endif 964 965 /* usually in <unistd.h> */ 966 #ifndef STDIN_FILENO 967 #define STDIN_FILENO 0 968 #endif 969 970 #ifndef STDOUT_FILENO 971 #define STDOUT_FILENO 1 972 #endif 973 974 #ifndef STDERR_FILENO 975 #define STDERR_FILENO 2 976 #endif 977 978 #ifndef EXIT_SUCCESS 979 #define EXIT_SUCCESS 0 980 #endif 981 982 #ifndef EXIT_FAILURE 983 #define EXIT_FAILURE 1 984 #endif 985 986 #ifndef R_OK 987 #define R_OK 4 /* Test for read permission. */ 988 #endif 989 #ifndef W_OK 990 #define W_OK 2 /* Test for write permission. */ 991 #endif 992 #ifndef X_OK 993 #define X_OK 1 /* Test for execute permission. */ 994 #endif 995 #ifndef F_OK 996 #define F_OK 0 /* Test for existence. */ 997 #endif 998 999 #if HAVE_FCNTL_H 1000 #include <fcntl.h> /* may define O_BINARY */ 1001 #endif 1002 1003 #ifndef O_BINARY 1004 #define O_BINARY 0 1005 #endif 1006 1007 #ifdef TRACE 1008 #if USE_REENTRANT 1009 #define COUNT_OUTCHARS(n) _nc_count_outchars(n); 1010 #else 1011 #define COUNT_OUTCHARS(n) _nc_outchars += (n); 1012 #endif 1013 #else 1014 #define COUNT_OUTCHARS(n) /* nothing */ 1015 #endif 1016 1017 #define RESET_OUTCHARS() COUNT_OUTCHARS(-_nc_outchars) 1018 1019 #define UChar(c) ((unsigned char)(c)) 1020 #define ChCharOf(c) ((c) & (chtype)A_CHARTEXT) 1021 #define ChAttrOf(c) ((c) & (chtype)A_ATTRIBUTES) 1022 1023 #ifndef MB_LEN_MAX 1024 #define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */ 1025 #endif 1026 1027 #if USE_WIDEC_SUPPORT /* { */ 1028 #define isEILSEQ(status) (((size_t)status == (size_t)-1) && (errno == EILSEQ)) 1029 1030 #define init_mb(state) memset(&state, 0, sizeof(state)) 1031 1032 #if NCURSES_EXT_COLORS 1033 #define NulColor , 0 1034 #else 1035 #define NulColor /* nothing */ 1036 #endif 1037 1038 #define NulChar 0,0,0,0 /* FIXME: see CCHARW_MAX */ 1039 #define CharOf(c) ((c).chars[0]) 1040 #define AttrOf(c) ((c).attr) 1041 1042 #define AddAttr(c,a) AttrOf(c) |= ((a) & A_ATTRIBUTES) 1043 #define RemAttr(c,a) AttrOf(c) &= ~((a) & A_ATTRIBUTES) 1044 #define SetAttr(c,a) AttrOf(c) = ((a) & A_ATTRIBUTES) | WidecExt(c) 1045 1046 #define NewChar2(c,a) { a, { c, NulChar } NulColor } 1047 #define NewChar(ch) NewChar2(ChCharOf(ch), ChAttrOf(ch)) 1048 1049 #if CCHARW_MAX == 5 1050 #define CharEq(a,b) (((a).attr == (b).attr) \ 1051 && (a).chars[0] == (b).chars[0] \ 1052 && (a).chars[1] == (b).chars[1] \ 1053 && (a).chars[2] == (b).chars[2] \ 1054 && (a).chars[3] == (b).chars[3] \ 1055 && (a).chars[4] == (b).chars[4] \ 1056 if_EXT_COLORS(&& (a).ext_color == (b).ext_color)) 1057 #else 1058 #define CharEq(a,b) (!memcmp(&(a), &(b), sizeof(a))) 1059 #endif 1060 1061 #define SetChar(ch,c,a) do { \ 1062 NCURSES_CH_T *_cp = &ch; \ 1063 memset(_cp, 0, sizeof(ch)); \ 1064 _cp->chars[0] = (c); \ 1065 _cp->attr = (a); \ 1066 if_EXT_COLORS(SetPair(ch, PAIR_NUMBER(a))); \ 1067 } while (0) 1068 #define CHREF(wch) (&wch) 1069 #define CHDEREF(wch) (*wch) 1070 #define ARG_CH_T NCURSES_CH_T * 1071 #define CARG_CH_T const NCURSES_CH_T * 1072 #define PUTC_DATA char PUTC_buf[MB_LEN_MAX]; int PUTC_i, PUTC_n; \ 1073 mbstate_t PUT_st; wchar_t PUTC_ch 1074 #define PUTC_INIT init_mb (PUT_st) 1075 #define PUTC(ch,b) do { if(!isWidecExt(ch)) { \ 1076 if (Charable(ch)) { \ 1077 fputc(CharOf(ch), b); \ 1078 COUNT_OUTCHARS(1); \ 1079 } else { \ 1080 PUTC_INIT; \ 1081 for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) { \ 1082 PUTC_ch = (ch).chars[PUTC_i]; \ 1083 if (PUTC_ch == L'\0') \ 1084 break; \ 1085 PUTC_n = wcrtomb(PUTC_buf, \ 1086 (ch).chars[PUTC_i], &PUT_st); \ 1087 if (PUTC_n <= 0) { \ 1088 if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) \ 1089 putc(PUTC_ch,b); \ 1090 break; \ 1091 } \ 1092 fwrite(PUTC_buf, (unsigned) PUTC_n, 1, b); \ 1093 } \ 1094 COUNT_OUTCHARS(PUTC_i); \ 1095 } } } while (0) 1096 1097 #define BLANK NewChar2(' ', WA_NORMAL) 1098 #define ZEROS NewChar2('\0', WA_NORMAL) 1099 #define ISBLANK(ch) ((ch).chars[0] == L' ' && (ch).chars[1] == L'\0') 1100 1101 /* 1102 * Wide characters cannot be represented in the A_CHARTEXT mask of 1103 * attr_t's but an application might have set a narrow character there. 1104 * But even in that case, it would only be a printable character, or 1105 * zero. Otherwise we can use those bits to tell if a cell is the 1106 * first or extension part of a wide character. 1107 */ 1108 #define WidecExt(ch) (AttrOf(ch) & A_CHARTEXT) 1109 #define isWidecBase(ch) (WidecExt(ch) == 1) 1110 #define isWidecExt(ch) (WidecExt(ch) > 1 && WidecExt(ch) < 32) 1111 #define SetWidecExt(dst, ext) AttrOf(dst) &= ~A_CHARTEXT, \ 1112 AttrOf(dst) |= (ext + 1) 1113 1114 #define if_WIDEC(code) code 1115 #define Charable(ch) ((SP != 0 && SP->_legacy_coding) \ 1116 || (AttrOf(ch) & A_ALTCHARSET) \ 1117 || (!isWidecExt(ch) && \ 1118 (ch).chars[1] == L'\0' && \ 1119 _nc_is_charable(CharOf(ch)))) 1120 1121 #define L(ch) L ## ch 1122 #else /* }{ */ 1123 #define CharOf(c) ChCharOf(c) 1124 #define AttrOf(c) ChAttrOf(c) 1125 #define AddAttr(c,a) c |= (a) 1126 #define RemAttr(c,a) c &= ~((a) & A_ATTRIBUTES) 1127 #define SetAttr(c,a) c = ((c) & ~A_ATTRIBUTES) | (a) 1128 #define NewChar(ch) (ch) 1129 #define NewChar2(c,a) ((c) | (a)) 1130 #define CharEq(a,b) ((a) == (b)) 1131 #define SetChar(ch,c,a) ch = (c) | (a) 1132 #define CHREF(wch) wch 1133 #define CHDEREF(wch) wch 1134 #define ARG_CH_T NCURSES_CH_T 1135 #define CARG_CH_T NCURSES_CH_T 1136 #define PUTC_DATA int data = 0 1137 #define PUTC(ch,b) do { data = CharOf(ch); putc(data,b); } while (0) 1138 1139 #define BLANK (' '|A_NORMAL) 1140 #define ZEROS ('\0'|A_NORMAL) 1141 #define ISBLANK(ch) (CharOf(ch) == ' ') 1142 1143 #define isWidecExt(ch) (0) 1144 #define if_WIDEC(code) /* nothing */ 1145 1146 #define L(ch) ch 1147 #endif /* } */ 1148 1149 #define AttrOfD(ch) AttrOf(CHDEREF(ch)) 1150 #define CharOfD(ch) CharOf(CHDEREF(ch)) 1151 #define SetChar2(wch,ch) SetChar(wch,ChCharOf(ch),ChAttrOf(ch)) 1152 1153 #define BLANK_ATTR A_NORMAL 1154 #define BLANK_TEXT L(' ') 1155 1156 #define CHANGED -1 1157 1158 #define LEGALYX(w, y, x) \ 1159 ((w) != 0 && \ 1160 ((x) >= 0 && (x) <= (w)->_maxx && \ 1161 (y) >= 0 && (y) <= (w)->_maxy)) 1162 1163 #define CHANGED_CELL(line,col) \ 1164 if (line->firstchar == _NOCHANGE) \ 1165 line->firstchar = line->lastchar = col; \ 1166 else if ((col) < line->firstchar) \ 1167 line->firstchar = col; \ 1168 else if ((col) > line->lastchar) \ 1169 line->lastchar = col 1170 1171 #define CHANGED_RANGE(line,start,end) \ 1172 if (line->firstchar == _NOCHANGE \ 1173 || line->firstchar > (start)) \ 1174 line->firstchar = start; \ 1175 if (line->lastchar == _NOCHANGE \ 1176 || line->lastchar < (end)) \ 1177 line->lastchar = end 1178 1179 #define CHANGED_TO_EOL(line,start,end) \ 1180 if (line->firstchar == _NOCHANGE \ 1181 || line->firstchar > (start)) \ 1182 line->firstchar = start; \ 1183 line->lastchar = end 1184 1185 #define SIZEOF(v) (sizeof(v)/sizeof(v[0])) 1186 1187 #define FreeIfNeeded(p) if ((p) != 0) free(p) 1188 1189 /* FreeAndNull() is not a comma-separated expression because some compilers 1190 * do not accept a mixture of void with values. 1191 */ 1192 #define FreeAndNull(p) free(p); p = 0 1193 1194 #include <nc_alloc.h> 1195 1196 /* 1197 * TTY bit definition for converting tabs to spaces. 1198 */ 1199 #ifdef TAB3 1200 # define OFLAGS_TABS TAB3 /* POSIX specifies TAB3 */ 1201 #else 1202 # ifdef XTABS 1203 # define OFLAGS_TABS XTABS /* XTABS is usually the "same" */ 1204 # else 1205 # ifdef OXTABS 1206 # define OFLAGS_TABS OXTABS /* the traditional BSD equivalent */ 1207 # else 1208 # define OFLAGS_TABS 0 1209 # endif 1210 # endif 1211 #endif 1212 1213 /* 1214 * Standardize/simplify common loops 1215 */ 1216 #define each_screen(p) p = _nc_screen_chain; p != 0; p = (p)->_next_screen 1217 #define each_window(p) p = _nc_windows; p != 0; p = (p)->next 1218 #define each_ripoff(p) p = ripoff_stack; (p - ripoff_stack) < N_RIPS; ++p 1219 1220 /* 1221 * Prefixes for call/return points of library function traces. We use these to 1222 * instrument the public functions so that the traces can be easily transformed 1223 * into regression scripts. 1224 */ 1225 #define T_CALLED(fmt) "called {" fmt 1226 #define T_CREATE(fmt) "create :" fmt 1227 #define T_RETURN(fmt) "return }" fmt 1228 1229 #ifdef TRACE 1230 1231 #if USE_REENTRANT 1232 #define TPUTS_TRACE(s) _nc_set_tputs_trace(s); 1233 #else 1234 #define TPUTS_TRACE(s) _nc_tputs_trace = s; 1235 #endif 1236 1237 #define START_TRACE() \ 1238 if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \ 1239 int t = _nc_getenv_num("NCURSES_TRACE"); \ 1240 if (t >= 0) \ 1241 trace((unsigned) t); \ 1242 } 1243 1244 /* 1245 * Many of the _tracef() calls use static buffers; lock the trace state before 1246 * trying to fill them. 1247 */ 1248 #if USE_REENTRANT 1249 #define USE_TRACEF(mask) _nc_use_tracef(mask) 1250 extern NCURSES_EXPORT(int) _nc_use_tracef (unsigned); 1251 extern NCURSES_EXPORT(void) _nc_locked_tracef (const char *, ...) GCC_PRINTFLIKE(1,2); 1252 #else 1253 #define USE_TRACEF(mask) (_nc_tracing & (mask)) 1254 #define _nc_locked_tracef _tracef 1255 #endif 1256 1257 #define TR(n, a) if (USE_TRACEF(n)) _nc_locked_tracef a 1258 #define T(a) TR(TRACE_CALLS, a) 1259 #define TRACE_RETURN(value,type) return _nc_retrace_##type(value) 1260 1261 #define returnAttr(code) TRACE_RETURN(code,attr_t) 1262 #define returnBits(code) TRACE_RETURN(code,unsigned) 1263 #define returnBool(code) TRACE_RETURN(code,bool) 1264 #define returnCPtr(code) TRACE_RETURN(code,cptr) 1265 #define returnCVoidPtr(code) TRACE_RETURN(code,cvoid_ptr) 1266 #define returnChar(code) TRACE_RETURN(code,chtype) 1267 #define returnCode(code) TRACE_RETURN(code,int) 1268 #define returnPtr(code) TRACE_RETURN(code,ptr) 1269 #define returnSP(code) TRACE_RETURN(code,sp) 1270 #define returnVoid T((T_RETURN(""))); return 1271 #define returnVoidPtr(code) TRACE_RETURN(code,void_ptr) 1272 #define returnWin(code) TRACE_RETURN(code,win) 1273 1274 extern NCURSES_EXPORT(NCURSES_BOOL) _nc_retrace_bool (NCURSES_BOOL); 1275 extern NCURSES_EXPORT(NCURSES_CONST void *) _nc_retrace_cvoid_ptr (NCURSES_CONST void *); 1276 extern NCURSES_EXPORT(SCREEN *) _nc_retrace_sp (SCREEN *); 1277 extern NCURSES_EXPORT(WINDOW *) _nc_retrace_win (WINDOW *); 1278 extern NCURSES_EXPORT(attr_t) _nc_retrace_attr_t (attr_t); 1279 extern NCURSES_EXPORT(char *) _nc_retrace_ptr (char *); 1280 extern NCURSES_EXPORT(char *) _nc_trace_ttymode(TTY *tty); 1281 extern NCURSES_EXPORT(char *) _nc_varargs (const char *, va_list); 1282 extern NCURSES_EXPORT(chtype) _nc_retrace_chtype (chtype); 1283 extern NCURSES_EXPORT(const char *) _nc_altcharset_name(attr_t, chtype); 1284 extern NCURSES_EXPORT(const char *) _nc_retrace_cptr (const char *); 1285 extern NCURSES_EXPORT(int) _nc_retrace_int (int); 1286 extern NCURSES_EXPORT(unsigned) _nc_retrace_unsigned (unsigned); 1287 extern NCURSES_EXPORT(void *) _nc_retrace_void_ptr (void *); 1288 extern NCURSES_EXPORT(void) _nc_fifo_dump (SCREEN *); 1289 1290 #if USE_REENTRANT 1291 NCURSES_WRAPPED_VAR(long, _nc_outchars); 1292 NCURSES_WRAPPED_VAR(const char *, _nc_tputs_trace); 1293 #define _nc_outchars NCURSES_PUBLIC_VAR(_nc_outchars()) 1294 #define _nc_tputs_trace NCURSES_PUBLIC_VAR(_nc_tputs_trace()) 1295 extern NCURSES_EXPORT(void) _nc_set_tputs_trace (const char *); 1296 extern NCURSES_EXPORT(void) _nc_count_outchars (long); 1297 #else 1298 extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace; 1299 extern NCURSES_EXPORT_VAR(long) _nc_outchars; 1300 #endif 1301 1302 extern NCURSES_EXPORT_VAR(unsigned) _nc_tracing; 1303 1304 #if USE_WIDEC_SUPPORT 1305 extern NCURSES_EXPORT(const char *) _nc_viswbuf2 (int, const wchar_t *); 1306 extern NCURSES_EXPORT(const char *) _nc_viswbufn (const wchar_t *, int); 1307 #endif 1308 1309 extern NCURSES_EXPORT(const char *) _nc_viscbuf2 (int, const NCURSES_CH_T *, int); 1310 extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int); 1311 1312 #else /* !TRACE */ 1313 1314 #define START_TRACE() /* nothing */ 1315 1316 #define T(a) 1317 #define TR(n, a) 1318 #define TPUTS_TRACE(s) 1319 1320 #define returnAttr(code) return code 1321 #define returnBits(code) return code 1322 #define returnBool(code) return code 1323 #define returnCPtr(code) return code 1324 #define returnCVoidPtr(code) return code 1325 #define returnChar(code) return code 1326 #define returnCode(code) return code 1327 #define returnPtr(code) return code 1328 #define returnSP(code) return code 1329 #define returnVoid return 1330 #define returnVoidPtr(code) return code 1331 #define returnWin(code) return code 1332 1333 #endif /* TRACE/!TRACE */ 1334 1335 /* 1336 * Return-codes for tgetent() and friends. 1337 */ 1338 #define TGETENT_YES 1 /* entry is found */ 1339 #define TGETENT_NO 0 /* entry is not found */ 1340 #define TGETENT_ERR -1 /* an error occurred */ 1341 1342 extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *); 1343 extern NCURSES_EXPORT(const char *) _nc_visbufn (const char *, int); 1344 1345 #define EMPTY_MODULE(name) \ 1346 extern NCURSES_EXPORT(void) name (void); \ 1347 NCURSES_EXPORT(void) name (void) { } 1348 1349 #define ALL_BUT_COLOR ((chtype)~(A_COLOR)) 1350 #define NONBLANK_ATTR (A_NORMAL|A_BOLD|A_DIM|A_BLINK) 1351 #define XMC_CHANGES(c) ((c) & SP->_xmc_suppress) 1352 1353 #define toggle_attr_on(S,at) {\ 1354 if (PAIR_NUMBER(at) > 0) {\ 1355 (S) = ((S) & ALL_BUT_COLOR) | (at);\ 1356 } else {\ 1357 (S) |= (at);\ 1358 }\ 1359 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));} 1360 1361 1362 #define toggle_attr_off(S,at) {\ 1363 if (PAIR_NUMBER(at) > 0) {\ 1364 (S) &= ~(at|A_COLOR);\ 1365 } else {\ 1366 (S) &= ~(at);\ 1367 }\ 1368 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));} 1369 1370 #define DelCharCost(count) \ 1371 ((parm_dch != 0) \ 1372 ? SP->_dch_cost \ 1373 : ((delete_character != 0) \ 1374 ? (SP->_dch1_cost * count) \ 1375 : INFINITY)) 1376 1377 #define InsCharCost(count) \ 1378 ((parm_ich != 0) \ 1379 ? SP->_ich_cost \ 1380 : ((enter_insert_mode && exit_insert_mode) \ 1381 ? SP->_smir_cost + SP->_rmir_cost + (SP->_ip_cost * count) \ 1382 : ((insert_character != 0) \ 1383 ? ((SP->_ich1_cost + SP->_ip_cost) * count) \ 1384 : INFINITY))) 1385 1386 #if USE_XMC_SUPPORT 1387 #define UpdateAttrs(c) if (!SameAttrOf(SCREEN_ATTRS(SP), c)) { \ 1388 attr_t chg = AttrOf(SCREEN_ATTRS(SP)); \ 1389 VIDATTR(AttrOf(c), GetPair(c)); \ 1390 if (magic_cookie_glitch > 0 \ 1391 && XMC_CHANGES((chg ^ AttrOf(SCREEN_ATTRS(SP))))) { \ 1392 T(("%s @%d before glitch %d,%d", \ 1393 __FILE__, __LINE__, \ 1394 SP->_cursrow, \ 1395 SP->_curscol)); \ 1396 _nc_do_xmc_glitch(chg); \ 1397 } \ 1398 } 1399 #else 1400 #define UpdateAttrs(c) if (!SameAttrOf(SCREEN_ATTRS(SP), c)) \ 1401 VIDATTR(AttrOf(c), GetPair(c)); 1402 #endif 1403 1404 /* 1405 * Macros to make additional parameter to implement wgetch_events() 1406 */ 1407 #ifdef NCURSES_WGETCH_EVENTS 1408 #define EVENTLIST_0th(param) param 1409 #define EVENTLIST_1st(param) param 1410 #define EVENTLIST_2nd(param) , param 1411 #else 1412 #define EVENTLIST_0th(param) void 1413 #define EVENTLIST_1st(param) /* nothing */ 1414 #define EVENTLIST_2nd(param) /* nothing */ 1415 #endif 1416 1417 #if NCURSES_EXPANDED && NCURSES_EXT_FUNCS 1418 1419 #undef toggle_attr_on 1420 #define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at) 1421 extern NCURSES_EXPORT(void) _nc_toggle_attr_on (attr_t *, attr_t); 1422 1423 #undef toggle_attr_off 1424 #define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at) 1425 extern NCURSES_EXPORT(void) _nc_toggle_attr_off (attr_t *, attr_t); 1426 1427 #undef DelCharCost 1428 #define DelCharCost(count) _nc_DelCharCost(count) 1429 extern NCURSES_EXPORT(int) _nc_DelCharCost (int); 1430 1431 #undef InsCharCost 1432 #define InsCharCost(count) _nc_InsCharCost(count) 1433 extern NCURSES_EXPORT(int) _nc_InsCharCost (int); 1434 1435 #undef UpdateAttrs 1436 #define UpdateAttrs(c) _nc_UpdateAttrs(c) 1437 extern NCURSES_EXPORT(void) _nc_UpdateAttrs (NCURSES_CH_T); 1438 1439 #else 1440 1441 extern NCURSES_EXPORT(void) _nc_expanded (void); 1442 1443 #endif 1444 1445 #if !NCURSES_EXT_FUNCS 1446 #define set_escdelay(value) ESCDELAY = value 1447 #endif 1448 1449 #if !HAVE_GETCWD 1450 #define getcwd(buf,len) getwd(buf) 1451 #endif 1452 1453 /* charable.c */ 1454 #if USE_WIDEC_SUPPORT 1455 extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t); 1456 extern NCURSES_EXPORT(int) _nc_to_char(wint_t); 1457 extern NCURSES_EXPORT(wint_t) _nc_to_widechar(int); 1458 #endif 1459 1460 /* comp_captab.c */ 1461 typedef struct { 1462 short nte_name; /* offset of name to hash on */ 1463 int nte_type; /* BOOLEAN, NUMBER or STRING */ 1464 short nte_index; /* index of associated variable in its array */ 1465 short nte_link; /* index in table of next hash, or -1 */ 1466 } name_table_data; 1467 1468 typedef struct 1469 { 1470 short from; 1471 short to; 1472 short source; 1473 } alias_table_data; 1474 1475 /* doupdate.c */ 1476 #if USE_XMC_SUPPORT 1477 extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t); 1478 #endif 1479 1480 /* hardscroll.c */ 1481 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG) 1482 extern NCURSES_EXPORT(void) _nc_linedump (void); 1483 #endif 1484 1485 /* lib_acs.c */ 1486 extern NCURSES_EXPORT(void) _nc_init_acs (void); /* corresponds to traditional 'init_acs()' */ 1487 extern NCURSES_EXPORT(int) _nc_msec_cost (const char *const, int); /* used by 'tack' program */ 1488 1489 /* lib_addch.c */ 1490 #if USE_WIDEC_SUPPORT 1491 NCURSES_EXPORT(int) _nc_build_wch(WINDOW *win, ARG_CH_T ch); 1492 #endif 1493 1494 /* lib_addstr.c */ 1495 #if USE_WIDEC_SUPPORT && !defined(USE_TERMLIB) 1496 extern NCURSES_EXPORT(int) _nc_wchstrlen(const cchar_t *); 1497 #endif 1498 1499 /* lib_color.c */ 1500 extern NCURSES_EXPORT(bool) _nc_reset_colors(void); 1501 1502 /* lib_getch.c */ 1503 extern NCURSES_EXPORT(int) _nc_wgetch(WINDOW *, unsigned long *, int EVENTLIST_2nd(_nc_eventlist *)); 1504 1505 /* lib_insch.c */ 1506 extern NCURSES_EXPORT(int) _nc_insert_ch(WINDOW *, chtype); 1507 1508 /* lib_mvcur.c */ 1509 #define INFINITY 1000000 /* cost: too high to use */ 1510 1511 extern NCURSES_EXPORT(void) _nc_mvcur_init (void); 1512 extern NCURSES_EXPORT(void) _nc_mvcur_resume (void); 1513 extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void); 1514 1515 extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int); 1516 1517 extern NCURSES_EXPORT(void) _nc_screen_init (void); 1518 extern NCURSES_EXPORT(void) _nc_screen_resume (void); 1519 extern NCURSES_EXPORT(void) _nc_screen_wrap (void); 1520 1521 /* lib_mouse.c */ 1522 extern NCURSES_EXPORT(int) _nc_has_mouse (void); 1523 1524 /* lib_mvcur.c */ 1525 #define INFINITY 1000000 /* cost: too high to use */ 1526 #define BAUDBYTE 9 /* 9 = 7 bits + 1 parity + 1 stop */ 1527 1528 /* lib_setup.c */ 1529 extern NCURSES_EXPORT(char *) _nc_get_locale(void); 1530 extern NCURSES_EXPORT(int) _nc_unicode_locale(void); 1531 extern NCURSES_EXPORT(int) _nc_locale_breaks_acs(TERMINAL *); 1532 extern NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *, int, int *, bool); 1533 extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, int *, int *); 1534 1535 /* lib_tstp.c */ 1536 #if USE_SIGWINCH 1537 extern NCURSES_EXPORT(int) _nc_handle_sigwinch(SCREEN *); 1538 #else 1539 #define _nc_handle_sigwinch(a) /* nothing */ 1540 #endif 1541 1542 /* lib_ungetch.c */ 1543 extern NCURSES_EXPORT(int) _nc_ungetch (SCREEN *, int); 1544 1545 /* lib_wacs.c */ 1546 #if USE_WIDEC_SUPPORT 1547 extern NCURSES_EXPORT(void) _nc_init_wacs(void); 1548 #endif 1549 1550 typedef struct { 1551 char *s_head; /* beginning of the string (may be null) */ 1552 char *s_tail; /* end of the string (may be null) */ 1553 size_t s_size; /* current remaining size available */ 1554 size_t s_init; /* total size available */ 1555 } string_desc; 1556 1557 /* strings.c */ 1558 extern NCURSES_EXPORT(string_desc *) _nc_str_init (string_desc *, char *, size_t); 1559 extern NCURSES_EXPORT(string_desc *) _nc_str_null (string_desc *, size_t); 1560 extern NCURSES_EXPORT(string_desc *) _nc_str_copy (string_desc *, string_desc *); 1561 extern NCURSES_EXPORT(bool) _nc_safe_strcat (string_desc *, const char *); 1562 extern NCURSES_EXPORT(bool) _nc_safe_strcpy (string_desc *, const char *); 1563 1564 #if !HAVE_STRSTR 1565 #define strstr _nc_strstr 1566 extern NCURSES_EXPORT(char *) _nc_strstr (const char *, const char *); 1567 #endif 1568 1569 /* safe_sprintf.c */ 1570 extern NCURSES_EXPORT(char *) _nc_printf_string (const char *, va_list); 1571 1572 /* tries.c */ 1573 extern NCURSES_EXPORT(int) _nc_add_to_try (TRIES **, const char *, unsigned); 1574 extern NCURSES_EXPORT(char *) _nc_expand_try (TRIES *, unsigned, int *, size_t); 1575 extern NCURSES_EXPORT(int) _nc_remove_key (TRIES **, unsigned); 1576 extern NCURSES_EXPORT(int) _nc_remove_string (TRIES **, const char *); 1577 1578 /* elsewhere ... */ 1579 extern NCURSES_EXPORT(ENTRY *) _nc_delink_entry (ENTRY *, TERMTYPE *); 1580 extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_keyname (SCREEN *, int); 1581 extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_unctrl (SCREEN *, chtype); 1582 extern NCURSES_EXPORT(SCREEN *) _nc_screen_of (WINDOW *); 1583 extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int); 1584 extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t); 1585 extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *); 1586 extern NCURSES_EXPORT(char *) _nc_tracechar (SCREEN *, int); 1587 extern NCURSES_EXPORT(char *) _nc_tracemouse (SCREEN *, MEVENT const *); 1588 extern NCURSES_EXPORT(int) _nc_access (const char *, int); 1589 extern NCURSES_EXPORT(int) _nc_baudrate (int); 1590 extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *); 1591 extern NCURSES_EXPORT(int) _nc_getenv_num (const char *); 1592 extern NCURSES_EXPORT(int) _nc_keypad (SCREEN *, bool); 1593 extern NCURSES_EXPORT(int) _nc_ospeed (int); 1594 extern NCURSES_EXPORT(int) _nc_outch (int); 1595 extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const); 1596 extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, bool, int); 1597 extern NCURSES_EXPORT(int) _nc_timed_wait (SCREEN *, int, int, int * EVENTLIST_2nd(_nc_eventlist *)); 1598 extern NCURSES_EXPORT(void) _nc_do_color (short, short, bool, int (*)(int)); 1599 extern NCURSES_EXPORT(void) _nc_flush (void); 1600 extern NCURSES_EXPORT(void) _nc_free_and_exit (int); 1601 extern NCURSES_EXPORT(void) _nc_free_entry (ENTRY *, TERMTYPE *); 1602 extern NCURSES_EXPORT(void) _nc_freeall (void); 1603 extern NCURSES_EXPORT(void) _nc_hash_map (void); 1604 extern NCURSES_EXPORT(void) _nc_init_keytry (SCREEN *); 1605 extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *); 1606 extern NCURSES_EXPORT(void) _nc_make_oldhash (int i); 1607 extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot); 1608 extern NCURSES_EXPORT(void) _nc_scroll_optimize (void); 1609 extern NCURSES_EXPORT(void) _nc_set_buffer (FILE *, bool); 1610 extern NCURSES_EXPORT(void) _nc_signal_handler (bool); 1611 extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *); 1612 extern NCURSES_EXPORT(void) _nc_trace_tries (TRIES *); 1613 1614 #if NO_LEAKS 1615 extern NCURSES_EXPORT(void) _nc_alloc_entry_leaks(void); 1616 extern NCURSES_EXPORT(void) _nc_captoinfo_leaks(void); 1617 extern NCURSES_EXPORT(void) _nc_codes_leaks(void); 1618 extern NCURSES_EXPORT(void) _nc_comp_captab_leaks(void); 1619 extern NCURSES_EXPORT(void) _nc_comp_scan_leaks(void); 1620 extern NCURSES_EXPORT(void) _nc_keyname_leaks(void); 1621 extern NCURSES_EXPORT(void) _nc_names_leaks(void); 1622 extern NCURSES_EXPORT(void) _nc_tgetent_leaks(void); 1623 #endif 1624 1625 #ifndef USE_TERMLIB 1626 extern NCURSES_EXPORT(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T); 1627 extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const NCURSES_CH_T); 1628 extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, NCURSES_SIZE_T const, NCURSES_SIZE_T const, NCURSES_CH_T); 1629 #endif 1630 1631 #if USE_WIDEC_SUPPORT && !defined(USE_TERMLIB) 1632 extern NCURSES_EXPORT(size_t) _nc_wcrtomb (char *, wchar_t, mbstate_t *); 1633 #endif 1634 1635 #if USE_SIZECHANGE 1636 extern NCURSES_EXPORT(void) _nc_update_screensize (SCREEN *); 1637 #endif 1638 1639 #if HAVE_RESIZETERM 1640 extern NCURSES_EXPORT(void) _nc_resize_margins (WINDOW *); 1641 #else 1642 #define _nc_resize_margins(wp) /* nothing */ 1643 #endif 1644 1645 #ifdef NCURSES_WGETCH_EVENTS 1646 extern NCURSES_EXPORT(int) _nc_eventlist_timeout(_nc_eventlist *); 1647 #else 1648 #define wgetch_events(win, evl) wgetch(win) 1649 #define wgetnstr_events(win, str, maxlen, evl) wgetnstr(win, str, maxlen) 1650 #endif 1651 1652 /* 1653 * Not everyone has vsscanf(), but we'd like to use it for scanw(). 1654 */ 1655 #if !HAVE_VSSCANF 1656 extern int vsscanf(const char *str, const char *format, va_list __arg); 1657 #endif 1658 1659 /* scroll indices */ 1660 extern NCURSES_EXPORT_VAR(int *) _nc_oldnums; 1661 1662 #define USE_SETBUF_0 0 1663 1664 #define NC_BUFFERED(flag) _nc_set_buffer(SP->_ofp, flag) 1665 1666 #define NC_OUTPUT ((SP != 0) ? SP->_ofp : stdout) 1667 1668 /* 1669 * On systems with a broken linker, define 'SP' as a function to force the 1670 * linker to pull in the data-only module with 'SP'. 1671 */ 1672 #if BROKEN_LINKER 1673 #define SP _nc_screen() 1674 extern NCURSES_EXPORT(SCREEN *) _nc_screen (void); 1675 extern NCURSES_EXPORT(int) _nc_alloc_screen (void); 1676 extern NCURSES_EXPORT(void) _nc_set_screen (SCREEN *); 1677 #else 1678 /* current screen is private data; avoid possible linking conflicts too */ 1679 extern NCURSES_EXPORT_VAR(SCREEN *) SP; 1680 #define _nc_alloc_screen() ((SP = typeCalloc(SCREEN, 1)) != 0) 1681 #define _nc_set_screen(sp) SP = sp 1682 #endif 1683 1684 /* 1685 * We don't want to use the lines or columns capabilities internally, because 1686 * if the application is running multiple screens under X, it's quite possible 1687 * they could all have type xterm but have different sizes! So... 1688 */ 1689 #define screen_lines SP->_lines 1690 #define screen_columns SP->_columns 1691 1692 extern NCURSES_EXPORT(int) _nc_slk_initialize (WINDOW *, int); 1693 1694 /* 1695 * Some constants related to SLK's 1696 */ 1697 #define MAX_SKEY_OLD 8 /* count of soft keys */ 1698 #define MAX_SKEY_LEN_OLD 8 /* max length of soft key text */ 1699 #define MAX_SKEY_PC 12 /* This is what most PC's have */ 1700 #define MAX_SKEY_LEN_PC 5 1701 1702 /* Macro to check whether or not we use a standard format */ 1703 #define SLK_STDFMT(fmt) (fmt < 3) 1704 /* Macro to determine height of label window */ 1705 #define SLK_LINES(fmt) (SLK_STDFMT(fmt) ? 1 : ((fmt) - 2)) 1706 1707 #define MAX_SKEY(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_OLD : MAX_SKEY_PC) 1708 #define MAX_SKEY_LEN(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC) 1709 1710 extern NCURSES_EXPORT(int) _nc_ripoffline (int line, int (*init)(WINDOW *,int)); 1711 1712 /* 1713 * Common error messages 1714 */ 1715 #define MSG_NO_MEMORY "Out of memory" 1716 #define MSG_NO_INPUTS "Premature EOF" 1717 1718 #ifdef __cplusplus 1719 } 1720 #endif 1721 1722 #endif /* CURSES_PRIV_H */ 1723