1 /**************************************************************************** 2 * Copyright (c) 1998-2013,2014 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 * and: Juergen Pfeifer * 34 ****************************************************************************/ 35 36 /* 37 * $Id: curses.priv.h,v 1.530 2014/02/01 22:09:27 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 /* *INDENT-OFF* */ 49 50 #include <ncurses_dll.h> 51 52 #ifdef __cplusplus 53 extern "C" { 54 #endif 55 56 #include <ncurses_cfg.h> 57 58 #if USE_RCS_IDS 59 #define MODULE_ID(id) static const char Ident[] = id; 60 #else 61 #define MODULE_ID(id) /*nothing*/ 62 #endif 63 64 #include <stddef.h> /* for offsetof */ 65 #include <stdlib.h> 66 #include <string.h> 67 #include <sys/types.h> 68 #include <sys/stat.h> 69 70 #if HAVE_UNISTD_H 71 #include <unistd.h> 72 #endif 73 74 #if HAVE_SYS_BSDTYPES_H 75 #include <sys/bsdtypes.h> /* needed for ISC */ 76 #endif 77 78 #if HAVE_LIMITS_H 79 # include <limits.h> 80 #elif HAVE_SYS_PARAM_H 81 # include <sys/param.h> 82 #endif 83 84 #include <assert.h> 85 #include <stdio.h> 86 87 #include <errno.h> 88 89 #if defined __hpux 90 # ifndef EILSEQ 91 # define EILSEQ 47 92 # endif 93 #endif 94 95 #ifndef PATH_MAX 96 # if defined(_POSIX_PATH_MAX) 97 # define PATH_MAX _POSIX_PATH_MAX 98 # elif defined(MAXPATHLEN) 99 # define PATH_MAX MAXPATHLEN 100 # else 101 # define PATH_MAX 255 /* the Posix minimum path-size */ 102 # endif 103 #endif 104 105 #if DECL_ERRNO 106 extern int errno; 107 #endif 108 109 /* Some systems have a broken 'select()', but workable 'poll()'. Use that */ 110 #if HAVE_WORKING_POLL 111 #define USE_FUNC_POLL 1 112 #if HAVE_POLL_H 113 #include <poll.h> 114 #else 115 #include <sys/poll.h> 116 #endif 117 #else 118 #define USE_FUNC_POLL 0 119 #endif 120 121 #if HAVE_INTTYPES_H 122 # include <inttypes.h> 123 #else 124 # if HAVE_STDINT_H 125 # include <stdint.h> 126 # endif 127 #endif 128 129 /* include signal.h before curses.h to work-around defect in glibc 2.1.3 */ 130 #include <signal.h> 131 132 /* Alessandro Rubini's GPM (general-purpose mouse) */ 133 #if HAVE_LIBGPM && HAVE_GPM_H 134 #define USE_GPM_SUPPORT 1 135 #else 136 #define USE_GPM_SUPPORT 0 137 #endif 138 139 /* QNX mouse support */ 140 #if defined(__QNX__) && !defined(__QNXNTO__) 141 #define USE_QNX_MOUSE 1 142 #else 143 #define USE_QNX_MOUSE 0 144 #endif 145 146 /* EMX mouse support */ 147 #ifdef __EMX__ 148 #define USE_EMX_MOUSE 1 149 #else 150 #define USE_EMX_MOUSE 0 151 #endif 152 153 /* kLIBC keyboard/mouse support */ 154 #if defined(__OS2__) && defined(__KLIBC__) 155 #define USE_KLIBC_KBD 1 156 #define USE_KLIBC_MOUSE 1 157 #else 158 #define USE_KLIBC_KBD 0 159 #define USE_KLIBC_MOUSE 0 160 #endif 161 162 #define DEFAULT_MAXCLICK 166 163 #define EV_MAX 8 /* size of mouse circular event queue */ 164 165 /* 166 * If we don't have signals to support it, don't add a sigwinch handler. 167 * In any case, resizing is an extended feature. Use it if we've got it. 168 */ 169 #if !NCURSES_EXT_FUNCS 170 #undef HAVE_SIZECHANGE 171 #define HAVE_SIZECHANGE 0 172 #endif 173 174 #if HAVE_SIZECHANGE && USE_SIGWINCH && defined(SIGWINCH) 175 #define USE_SIZECHANGE 1 176 #else 177 #define USE_SIZECHANGE 0 178 #undef USE_SIGWINCH 179 #define USE_SIGWINCH 0 180 #endif 181 182 /* 183 * If desired, one can configure this, disabling environment variables that 184 * point to custom terminfo/termcap locations. 185 */ 186 #ifdef USE_ROOT_ENVIRON 187 #define use_terminfo_vars() 1 188 #else 189 #define use_terminfo_vars() _nc_env_access() 190 extern NCURSES_EXPORT(int) _nc_env_access (void); 191 #endif 192 193 /* 194 * Not all platforms have memmove; some have an equivalent bcopy. (Some may 195 * have neither). 196 */ 197 #if USE_OK_BCOPY 198 #define memmove(d,s,n) bcopy(s,d,n) 199 #elif USE_MY_MEMMOVE 200 #define memmove(d,s,n) _nc_memmove(d,s,n) 201 extern NCURSES_EXPORT(void *) _nc_memmove (void *, const void *, size_t); 202 #endif 203 204 /* 205 * If we have va_copy(), use it for assigning va_list's. 206 */ 207 #if defined(HAVE___VA_COPY) 208 #define begin_va_copy(dst,src) __va_copy(dst, src) 209 #define end_va_copy(dst) va_end(dst) 210 #elif defined(va_copy) || defined(HAVE_VA_COPY) 211 #define begin_va_copy(dst,src) va_copy(dst, src) 212 #define end_va_copy(dst) va_end(dst) 213 #else 214 #define begin_va_copy(dst,src) (dst) = (src) 215 #define end_va_copy(dst) /* nothing */ 216 #endif 217 218 /* 219 * Either/both S_ISxxx and/or S_IFxxx are defined in sys/types.h; some systems 220 * lack one or the other. 221 */ 222 #ifndef S_ISDIR 223 #define S_ISDIR(mode) ((mode & S_IFMT) == S_IFDIR) 224 #endif 225 226 #ifndef S_ISREG 227 #define S_ISREG(mode) ((mode & S_IFMT) == S_IFREG) 228 #endif 229 230 /* 231 * Scroll hints are useless when hashmap is used 232 */ 233 #if !USE_SCROLL_HINTS 234 #if !USE_HASHMAP 235 #define USE_SCROLL_HINTS 1 236 #else 237 #define USE_SCROLL_HINTS 0 238 #endif 239 #endif 240 241 #if USE_SCROLL_HINTS 242 #define if_USE_SCROLL_HINTS(stmt) stmt 243 #else 244 #define if_USE_SCROLL_HINTS(stmt) /*nothing*/ 245 #endif 246 247 #include <nc_string.h> 248 249 /* 250 * Options for terminal drivers, etc... 251 */ 252 #ifdef USE_TERM_DRIVER 253 #define USE_SP_RIPOFF 1 254 #define USE_SP_TERMTYPE 1 255 #define USE_SP_WINDOWLIST 1 256 #endif 257 258 /* 259 * Note: ht/cbt expansion flakes out randomly under Linux 1.1.47, but only 260 * when we're throwing control codes at the screen at high volume. To see 261 * this, re-enable USE_HARD_TABS and run worm for a while. Other systems 262 * probably don't want to define this either due to uncertainties about tab 263 * delays and expansion in raw mode. 264 */ 265 266 #define TRIES struct tries 267 typedef TRIES { 268 TRIES *child; /* ptr to child. NULL if none */ 269 TRIES *sibling; /* ptr to sibling. NULL if none */ 270 unsigned char ch; /* character at this node */ 271 unsigned short value; /* code of string so far. 0 if none. */ 272 #undef TRIES 273 } TRIES; 274 275 /* 276 * Common/troublesome character definitions 277 */ 278 #define StringOf(ch) {ch, 0} 279 280 #define L_BRACE '{' 281 #define R_BRACE '}' 282 #define S_QUOTE '\'' 283 #define D_QUOTE '"' 284 285 #define VT_ACSC "``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~" 286 287 /* 288 * Structure for palette tables 289 */ 290 291 #define MAXCOLUMNS 135 292 #define MAXLINES 66 293 #define FIFO_SIZE MAXCOLUMNS+2 /* for nocbreak mode input */ 294 295 #define ACS_LEN 128 296 297 #define WINDOWLIST struct _win_list 298 299 #if USE_WIDEC_SUPPORT 300 #define _nc_bkgd _bkgrnd 301 #else 302 #undef _XOPEN_SOURCE_EXTENDED 303 #undef _XPG5 304 #define _nc_bkgd _bkgd 305 #define wgetbkgrnd(win, wch) *wch = win->_bkgd 306 #define wbkgrnd wbkgd 307 #endif 308 309 #undef NCURSES_OPAQUE 310 #define NCURSES_INTERNALS 1 311 #define NCURSES_OPAQUE 0 312 313 #include <curses.h> /* we'll use -Ipath directive to get the right one! */ 314 315 typedef struct 316 { 317 NCURSES_COLOR_T red, green, blue; /* what color_content() returns */ 318 NCURSES_COLOR_T r, g, b; /* params to init_color() */ 319 int init; /* true if we called init_color() */ 320 } 321 color_t; 322 323 /* 324 * If curses.h did not expose the SCREEN-functions, then we do not need the 325 * parameter in the corresponding unextended functions. 326 */ 327 328 #define USE_SP_FUNC_SUPPORT NCURSES_SP_FUNCS 329 #define USE_EXT_SP_FUNC_SUPPORT (NCURSES_SP_FUNCS && NCURSES_EXT_FUNCS) 330 331 #if NCURSES_SP_FUNCS 332 #define SP_PARM sp /* use parameter */ 333 #define NCURSES_SP_ARG SP_PARM 334 #define NCURSES_SP_DCL SCREEN *NCURSES_SP_ARG 335 #define NCURSES_SP_DCL0 NCURSES_SP_DCL 336 #define NCURSES_SP_ARGx NCURSES_SP_ARG, 337 #define NCURSES_SP_DCLx SCREEN *NCURSES_SP_ARGx 338 #else 339 #define SP_PARM SP /* use global variable */ 340 #define NCURSES_SP_ARG 341 #define NCURSES_SP_DCL 342 #define NCURSES_SP_DCL0 void 343 #define NCURSES_SP_ARGx 344 #define NCURSES_SP_DCLx 345 #endif 346 347 #include <nc_panel.h> 348 349 #define IsPreScreen(sp) (((sp) != 0) && sp->_prescreen) 350 #define HasTerminal(sp) (((sp) != 0) && (0 != ((sp)->_term))) 351 #define IsValidScreen(sp) (HasTerminal(sp) && !IsPreScreen(sp)) 352 353 #if USE_REENTRANT 354 #define CurTerm _nc_prescreen._cur_term 355 #else 356 #define CurTerm cur_term 357 #endif 358 359 #if NCURSES_SP_FUNCS 360 #define TerminalOf(sp) ((sp) ? ((sp)->_term ? (sp)->_term : CurTerm) : CurTerm) 361 #else 362 #define TerminalOf(sp) CurTerm 363 #endif 364 365 #include <term.h> 366 #include <nc_termios.h> 367 368 /* 369 * Reduce dependency on cur_term global by using terminfo data from SCREEN's 370 * pointer to this data. 371 */ 372 #ifdef USE_SP_TERMTYPE 373 #undef CUR 374 #endif 375 376 #define SP_TERMTYPE TerminalOf(sp)->type. 377 378 #include <term_entry.h> 379 380 #include <nc_tparm.h> 381 382 /* 383 * Simplify ifdef's for the "*_ATTR" macros in case italics are not configured. 384 */ 385 #ifdef A_ITALIC 386 #define USE_ITALIC 1 387 #else 388 #define USE_ITALIC 0 389 #define A_ITALIC 0 390 #endif 391 392 /* 393 * Use these macros internally, to make tracing less verbose. But leave the 394 * option for compiling the tracing into the library. 395 */ 396 #if 1 397 #define ColorPair(n) NCURSES_BITS(n, 0) 398 #define PairNumber(a) (NCURSES_CAST(int,(((unsigned long)(a) & A_COLOR) >> NCURSES_ATTR_SHIFT))) 399 #else 400 #define ColorPair(pair) COLOR_PAIR(pair) 401 #define PairNumber(attr) PAIR_NUMBER(attr) 402 #endif 403 404 #define unColor(n) unColor2(AttrOf(n)) 405 #define unColor2(a) ((a) & ALL_BUT_COLOR) 406 407 /* 408 * Extended-colors stores the color pair in a separate struct-member than the 409 * attributes. But for compatibility, we handle most cases where a program 410 * written for non-extended colors stores the color in the attributes by 411 * checking for a color pair in both places. 412 */ 413 #if NCURSES_EXT_COLORS 414 #define if_EXT_COLORS(stmt) stmt 415 #define SetPair(value,p) SetPair2((value).ext_color, AttrOf(value), p) 416 #define SetPair2(c,a,p) c = (p), \ 417 a = (unColor2(a) | (A_COLOR & (unsigned) ColorPair(oldColor(c)))) 418 #define GetPair(value) GetPair2((value).ext_color, AttrOf(value)) 419 #define GetPair2(c,a) ((c) ? (c) : PairNumber(a)) 420 #define oldColor(p) (((p) > 255) ? 255 : (p)) 421 #define GET_WINDOW_PAIR(w) GetPair2((w)->_color, (w)->_attrs) 422 #define SET_WINDOW_PAIR(w,p) (w)->_color = (p) 423 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b) && GetPair(a) == GetPair(b)) 424 425 #define VIDATTR(sp,attr,pair) NCURSES_SP_NAME(vid_puts)(NCURSES_SP_ARGx attr, (short) pair, 0, NCURSES_OUTC_FUNC) 426 427 #else /* !NCURSES_EXT_COLORS */ 428 429 #define if_EXT_COLORS(stmt) /* nothing */ 430 #define SetPair(value,p) RemAttr(value, A_COLOR), \ 431 SetAttr(value, AttrOf(value) | (A_COLOR & (attr_t) ColorPair(p))) 432 #define GetPair(value) PairNumber(AttrOf(value)) 433 #define GET_WINDOW_PAIR(w) PairNumber(WINDOW_ATTRS(w)) 434 #define SET_WINDOW_PAIR(w,p) WINDOW_ATTRS(w) &= ALL_BUT_COLOR, \ 435 WINDOW_ATTRS(w) |= (A_COLOR & (attr_t) ColorPair(p)) 436 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b)) 437 438 #define VIDATTR(sp,attr,pair) NCURSES_SP_NAME(vidputs)(NCURSES_SP_ARGx attr, NCURSES_OUTC_FUNC) 439 440 #endif /* NCURSES_EXT_COLORS */ 441 442 #define NCURSES_OUTC_FUNC NCURSES_SP_NAME(_nc_outch) 443 #define NCURSES_PUTP2(name,value) NCURSES_SP_NAME(_nc_putp)(NCURSES_SP_ARGx name, value) 444 #define NCURSES_PUTP2_FLUSH(name,value) NCURSES_SP_NAME(_nc_putp_flush)(NCURSES_SP_ARGx name, value) 445 446 #if NCURSES_NO_PADDING 447 #define GetNoPadding(sp) ((sp) ? (sp)->_no_padding : _nc_prescreen._no_padding) 448 #define SetNoPadding(sp) _nc_set_no_padding(sp) 449 extern NCURSES_EXPORT(void) _nc_set_no_padding(SCREEN *); 450 #else 451 #define GetNoPadding(sp) FALSE 452 #define SetNoPadding(sp) /*nothing*/ 453 #endif 454 455 #define WINDOW_ATTRS(w) ((w)->_attrs) 456 457 #define SCREEN_ATTRS(s) (*((s)->_current_attr)) 458 #define GET_SCREEN_PAIR(s) GetPair(SCREEN_ATTRS(s)) 459 #define SET_SCREEN_PAIR(s,p) SetPair(SCREEN_ATTRS(s), p) 460 461 #if USE_REENTRANT || NCURSES_SP_FUNCS 462 NCURSES_EXPORT(int *) _nc_ptr_Lines (SCREEN *); 463 NCURSES_EXPORT(int *) _nc_ptr_Cols (SCREEN *); 464 NCURSES_EXPORT(int *) _nc_ptr_Tabsize (SCREEN *); 465 NCURSES_EXPORT(int *) _nc_ptr_Escdelay (SCREEN *); 466 #endif 467 468 #if USE_REENTRANT 469 470 #define ptrLines(sp) (sp ? &(sp->_LINES) : &(_nc_prescreen._LINES)) 471 #define ptrCols(sp) (sp ? &(sp->_COLS) : &(_nc_prescreen._COLS)) 472 #define ptrTabsize(sp) (sp ? &(sp->_TABSIZE) : &(_nc_prescreen._TABSIZE)) 473 #define ptrEscdelay(sp) (sp ? &(sp->_ESCDELAY) : &(_nc_prescreen._ESCDELAY)) 474 475 #define SET_LINES(value) *_nc_ptr_Lines(SP_PARM) = value 476 #define SET_COLS(value) *_nc_ptr_Cols(SP_PARM) = value 477 #define SET_TABSIZE(value) *_nc_ptr_Tabsize(SP_PARM) = value 478 #define SET_ESCDELAY(value) *_nc_ptr_Escdelay(SP_PARM) = value 479 480 #else 481 482 #define ptrLines(sp) &LINES 483 #define ptrCols(sp) &COLS 484 #define ptrTabsize(sp) &TABSIZE 485 #define ptrEscdelay(sp) &ESCDELAY 486 487 #define SET_LINES(value) LINES = value 488 #define SET_COLS(value) COLS = value 489 #define SET_TABSIZE(value) TABSIZE = value 490 #define SET_ESCDELAY(value) ESCDELAY = value 491 492 #endif 493 494 #define TR_MUTEX(data) _tracef("%s@%d: me:%08lX COUNT:%2u/%2d/%6d/%2d/%s%9u: " #data, \ 495 __FILE__, __LINE__, \ 496 (unsigned long) (pthread_self()), \ 497 data.__data.__lock, \ 498 data.__data.__count, \ 499 data.__data.__owner, \ 500 data.__data.__kind, \ 501 (data.__data.__nusers > 5) ? " OOPS " : "", \ 502 data.__data.__nusers) 503 #define TR_GLOBAL_MUTEX(name) TR_MUTEX(_nc_globals.mutex_##name) 504 505 #if USE_WEAK_SYMBOLS 506 #if defined(__GNUC__) 507 # if defined __USE_ISOC99 508 # define _cat_pragma(exp) _Pragma(#exp) 509 # define _weak_pragma(exp) _cat_pragma(weak name) 510 # else 511 # define _weak_pragma(exp) 512 # endif 513 # define _declare(name) __extension__ extern __typeof__(name) name 514 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak)) 515 #else 516 # undef USE_WEAK_SYMBOLS 517 # define USE_WEAK_SYMBOLS 0 518 #endif 519 #endif 520 521 #ifdef USE_PTHREADS 522 523 #if USE_REENTRANT 524 #include <pthread.h> 525 extern NCURSES_EXPORT(void) _nc_init_pthreads(void); 526 extern NCURSES_EXPORT(void) _nc_mutex_init(pthread_mutex_t *); 527 extern NCURSES_EXPORT(int) _nc_mutex_lock(pthread_mutex_t *); 528 extern NCURSES_EXPORT(int) _nc_mutex_trylock(pthread_mutex_t *); 529 extern NCURSES_EXPORT(int) _nc_mutex_unlock(pthread_mutex_t *); 530 #define _nc_lock_global(name) _nc_mutex_lock(&_nc_globals.mutex_##name) 531 #define _nc_try_global(name) _nc_mutex_trylock(&_nc_globals.mutex_##name) 532 #define _nc_unlock_global(name) _nc_mutex_unlock(&_nc_globals.mutex_##name) 533 534 #else 535 #error POSIX threads requires --enable-reentrant option 536 #endif 537 538 #ifdef USE_PTHREADS 539 # if USE_WEAK_SYMBOLS 540 weak_symbol(pthread_sigmask); 541 weak_symbol(pthread_kill); 542 weak_symbol(pthread_self); 543 weak_symbol(pthread_equal); 544 weak_symbol(pthread_mutex_init); 545 weak_symbol(pthread_mutex_lock); 546 weak_symbol(pthread_mutex_unlock); 547 weak_symbol(pthread_mutex_trylock); 548 weak_symbol(pthread_mutexattr_settype); 549 weak_symbol(pthread_mutexattr_init); 550 extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *); 551 # undef sigprocmask 552 # define sigprocmask _nc_sigprocmask 553 # endif 554 #endif 555 556 #if HAVE_NANOSLEEP 557 #undef HAVE_NANOSLEEP 558 #define HAVE_NANOSLEEP 0 /* nanosleep suspends all threads */ 559 #endif 560 561 #else /* !USE_PTHREADS */ 562 563 #if USE_PTHREADS_EINTR 564 # if USE_WEAK_SYMBOLS 565 #include <pthread.h> 566 weak_symbol(pthread_sigmask); 567 weak_symbol(pthread_kill); 568 weak_symbol(pthread_self); 569 weak_symbol(pthread_equal); 570 extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *); 571 # undef sigprocmask 572 # define sigprocmask _nc_sigprocmask 573 # endif 574 #endif /* USE_PTHREADS_EINTR */ 575 576 #define _nc_init_pthreads() /* nothing */ 577 #define _nc_mutex_init(obj) /* nothing */ 578 579 #define _nc_lock_global(name) /* nothing */ 580 #define _nc_try_global(name) 0 581 #define _nc_unlock_global(name) /* nothing */ 582 583 #endif /* USE_PTHREADS */ 584 585 /* 586 * When using sp-funcs, locks are targeted to SCREEN-level granularity. 587 * So the locking is done in the non-sp-func (which calls the sp-func) rather 588 * than in the sp-func itself. 589 * 590 * Use the _nc_nonsp_XXX functions in the function using "NCURSES_SP_NAME()". 591 * Use the _nc_sp_XXX functions in the function using "#if NCURSES_SP_FUNCS". 592 */ 593 #if NCURSES_SP_FUNCS 594 595 #define _nc_nonsp_lock_global(name) /* nothing */ 596 #define _nc_nonsp_try_global(name) 0 597 #define _nc_nonsp_unlock_global(name) /* nothing */ 598 599 #define _nc_sp_lock_global(name) _nc_lock_global(name) 600 #define _nc_sp_try_global(name) _nc_try_global(name) 601 #define _nc_sp_unlock_global(name) _nc_unlock_global(name) 602 603 #else 604 605 #define _nc_nonsp_lock_global(name) _nc_lock_global(name) 606 #define _nc_nonsp_try_global(name) _nc_try_global(name) 607 #define _nc_nonsp_unlock_global(name) _nc_unlock_global(name) 608 609 #define _nc_sp_lock_global(name) /* nothing */ 610 #define _nc_sp_try_global(name) 0 611 #define _nc_sp_unlock_global(name) /* nothing */ 612 613 #endif 614 615 #if HAVE_GETTIMEOFDAY 616 # define PRECISE_GETTIME 1 617 # define TimeType struct timeval 618 #else 619 # define PRECISE_GETTIME 0 620 # define TimeType time_t 621 #endif 622 623 /* 624 * Definitions for color pairs 625 */ 626 typedef unsigned colorpair_t; /* type big enough to store PAIR_OF() */ 627 #define C_SHIFT 9 /* we need more bits than there are colors */ 628 #define C_MASK ((1 << C_SHIFT) - 1) 629 #define PAIR_OF(fg, bg) (colorpair_t) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK)) 630 #define FORE_OF(c) (((c) >> C_SHIFT) & C_MASK) 631 #define BACK_OF(c) ((c) & C_MASK) 632 #define isDefaultColor(c) ((c) >= COLOR_DEFAULT || (c) < 0) 633 634 #define COLOR_DEFAULT C_MASK 635 636 #if defined(USE_BUILD_CC) || (defined(USE_TERMLIB) && !defined(NEED_NCURSES_CH_T)) 637 638 #undef NCURSES_CH_T /* this is not a termlib feature */ 639 #define NCURSES_CH_T void /* ...but we need a pointer in SCREEN */ 640 641 #endif /* USE_TERMLIB */ 642 643 #ifndef USE_TERMLIB 644 struct ldat 645 { 646 NCURSES_CH_T *text; /* text of the line */ 647 NCURSES_SIZE_T firstchar; /* first changed character in the line */ 648 NCURSES_SIZE_T lastchar; /* last changed character in the line */ 649 NCURSES_SIZE_T oldindex; /* index of the line at last update */ 650 }; 651 #endif /* USE_TERMLIB */ 652 653 typedef enum { 654 M_XTERM = -1 /* use xterm's mouse tracking? */ 655 ,M_NONE = 0 /* no mouse device */ 656 #if USE_GPM_SUPPORT 657 ,M_GPM /* use GPM */ 658 #endif 659 #if USE_SYSMOUSE 660 ,M_SYSMOUSE /* FreeBSD sysmouse on console */ 661 #endif 662 #ifdef USE_TERM_DRIVER 663 ,M_TERM_DRIVER /* Win32 console, etc */ 664 #endif 665 } MouseType; 666 667 /* 668 * Structures for scrolling. 669 */ 670 671 typedef struct { 672 unsigned long hashval; 673 int oldcount, newcount; 674 int oldindex, newindex; 675 } HASHMAP; 676 677 /* 678 * Structures for soft labels. 679 */ 680 681 struct _SLK; 682 683 #if !(defined(USE_TERMLIB) || defined(USE_BUILD_CC)) 684 685 typedef struct 686 { 687 char *ent_text; /* text for the label */ 688 char *form_text; /* formatted text (left/center/...) */ 689 int ent_x; /* x coordinate of this field */ 690 char dirty; /* this label has changed */ 691 char visible; /* field is visible */ 692 } slk_ent; 693 694 typedef struct _SLK { 695 bool dirty; /* all labels have changed */ 696 bool hidden; /* soft labels are hidden */ 697 WINDOW *win; 698 slk_ent *ent; 699 short maxlab; /* number of available labels */ 700 short labcnt; /* number of allocated labels */ 701 short maxlen; /* length of labels */ 702 NCURSES_CH_T attr; /* soft label attribute */ 703 } SLK; 704 705 #endif /* USE_TERMLIB */ 706 707 typedef struct { 708 WINDOW *win; /* the window used in the hook */ 709 int line; /* lines to take, < 0 => from bottom*/ 710 int (*hook)(WINDOW *, int); /* callback for user */ 711 } ripoff_t; 712 713 #if USE_GPM_SUPPORT 714 #undef buttons /* term.h defines this, and gpm uses it! */ 715 #include <gpm.h> 716 #if USE_WEAK_SYMBOLS 717 weak_symbol(Gpm_Wgetch); 718 #endif 719 720 #ifdef HAVE_LIBDL 721 /* link dynamically to GPM */ 722 typedef int *TYPE_gpm_fd; 723 typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int); 724 typedef int (*TYPE_Gpm_Close) (void); 725 typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *); 726 727 #define my_gpm_fd SP_PARM->_mouse_gpm_fd 728 #define my_Gpm_Open SP_PARM->_mouse_Gpm_Open 729 #define my_Gpm_Close SP_PARM->_mouse_Gpm_Close 730 #define my_Gpm_GetEvent SP_PARM->_mouse_Gpm_GetEvent 731 #else 732 /* link statically to GPM */ 733 #define my_gpm_fd &gpm_fd 734 #define my_Gpm_Open Gpm_Open 735 #define my_Gpm_Close Gpm_Close 736 #define my_Gpm_GetEvent Gpm_GetEvent 737 #endif /* HAVE_LIBDL */ 738 #endif /* USE_GPM_SUPPORT */ 739 740 typedef struct { 741 long sequence; 742 bool last_used; 743 char *fix_sgr0; /* this holds the filtered sgr0 string */ 744 char *last_bufp; /* help with fix_sgr0 leak */ 745 TERMINAL *last_term; 746 } TGETENT_CACHE; 747 748 #define TGETENT_MAX 4 749 750 /* 751 * State of tparm(). 752 */ 753 #define STACKSIZE 20 754 755 typedef struct { 756 union { 757 int num; 758 char *str; 759 } data; 760 bool num_type; 761 } STACK_FRAME; 762 763 #define NUM_VARS 26 764 765 typedef struct { 766 #ifdef TRACE 767 const char *tname; 768 #endif 769 const char *tparam_base; 770 771 STACK_FRAME stack[STACKSIZE]; 772 int stack_ptr; 773 774 char *out_buff; 775 size_t out_size; 776 size_t out_used; 777 778 char *fmt_buff; 779 size_t fmt_size; 780 781 int dynamic_var[NUM_VARS]; 782 int static_vars[NUM_VARS]; 783 } TPARM_STATE; 784 785 typedef struct { 786 char *text; 787 size_t size; 788 } TRACEBUF; 789 790 /* 791 * The filesystem database normally uses a single-letter for the lower level 792 * of directories. Use a hexadecimal code for filesystems which do not 793 * preserve mixed-case names. 794 */ 795 #if MIXEDCASE_FILENAMES 796 #define LEAF_FMT "%c" 797 #define LEAF_LEN 1 798 #else 799 #define LEAF_FMT "%02x" 800 #define LEAF_LEN 2 801 #endif 802 803 /* 804 * TRACEMSE_FMT is no longer than 80 columns, there are 5 numbers that 805 * could at most have 10 digits, and the mask contains no more than 32 bits 806 * with each bit representing less than 15 characters. Usually the whole 807 * string is less than 80 columns, but this buffer size is an absolute 808 * limit. 809 */ 810 #define TRACEMSE_MAX (80 + (5 * 10) + (32 * 15)) 811 #define TRACEMSE_FMT "id %2d at (%2d, %2d, %2d) state %4lx = {" /* } */ 812 813 #ifdef USE_TERM_DRIVER 814 struct DriverTCB; /* Terminal Control Block forward declaration */ 815 #define INIT_TERM_DRIVER() _nc_globals.term_driver = _nc_get_driver 816 #else 817 #define INIT_TERM_DRIVER() /* nothing */ 818 #endif 819 820 typedef struct { 821 const char *name; 822 char *value; 823 } ITERATOR_VARS; 824 825 /* 826 * Global data which is not specific to a screen. 827 */ 828 typedef struct { 829 SIG_ATOMIC_T have_sigtstp; 830 SIG_ATOMIC_T have_sigwinch; 831 SIG_ATOMIC_T cleanup_nested; 832 833 bool init_signals; 834 bool init_screen; 835 836 char *comp_sourcename; 837 char *comp_termtype; 838 839 bool have_tic_directory; 840 bool keep_tic_directory; 841 const char *tic_directory; 842 843 char *dbi_list; 844 int dbi_size; 845 846 char *first_name; 847 char **keyname_table; 848 int init_keyname; 849 850 int slk_format; 851 852 char *safeprint_buf; 853 size_t safeprint_used; 854 855 TGETENT_CACHE tgetent_cache[TGETENT_MAX]; 856 int tgetent_index; 857 long tgetent_sequence; 858 859 char *dbd_blob; /* string-heap for dbd_list[] */ 860 char **dbd_list; /* distinct places to look for data */ 861 int dbd_size; /* length of dbd_list[] */ 862 time_t dbd_time; /* cache last updated */ 863 ITERATOR_VARS dbd_vars[dbdLAST]; 864 865 #ifndef USE_SP_WINDOWLIST 866 WINDOWLIST *_nc_windowlist; 867 #define WindowList(sp) _nc_globals._nc_windowlist 868 #endif 869 870 #if USE_HOME_TERMINFO 871 char *home_terminfo; 872 #endif 873 874 #if !USE_SAFE_SPRINTF 875 int safeprint_cols; 876 int safeprint_rows; 877 #endif 878 879 #ifdef USE_TERM_DRIVER 880 int (*term_driver)(struct DriverTCB*, const char*, int*); 881 #endif 882 883 #ifdef TRACE 884 bool init_trace; 885 char trace_fname[PATH_MAX]; 886 int trace_level; 887 FILE *trace_fp; 888 889 char *tracearg_buf; 890 size_t tracearg_used; 891 892 TRACEBUF *tracebuf_ptr; 893 size_t tracebuf_used; 894 895 char tracechr_buf[40]; 896 897 char *tracedmp_buf; 898 size_t tracedmp_used; 899 900 unsigned char *tracetry_buf; 901 size_t tracetry_used; 902 903 char traceatr_color_buf[2][80]; 904 int traceatr_color_sel; 905 int traceatr_color_last; 906 #if !defined(USE_PTHREADS) && USE_REENTRANT 907 int nested_tracef; 908 #endif 909 #endif /* TRACE */ 910 911 #ifdef USE_PTHREADS 912 pthread_mutex_t mutex_curses; 913 pthread_mutex_t mutex_tst_tracef; 914 pthread_mutex_t mutex_tracef; 915 int nested_tracef; 916 int use_pthreads; 917 #define _nc_use_pthreads _nc_globals.use_pthreads 918 #endif 919 #if USE_PTHREADS_EINTR 920 pthread_t read_thread; /* The reading thread */ 921 #endif 922 } NCURSES_GLOBALS; 923 924 extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals; 925 926 #define N_RIPS 5 927 928 /* 929 * Global data which can be swept up into a SCREEN when one is created. 930 * It may be modified before the next SCREEN is created. 931 */ 932 typedef struct { 933 bool use_env; 934 bool filter_mode; 935 attr_t previous_attr; 936 #ifndef USE_SP_RIPOFF 937 ripoff_t rippedoff[N_RIPS]; 938 ripoff_t *rsp; 939 #endif 940 TPARM_STATE tparm_state; 941 TTY *saved_tty; /* savetty/resetty information */ 942 #if NCURSES_NO_PADDING 943 bool _no_padding; /* flag to set if padding disabled */ 944 #endif 945 NCURSES_SP_OUTC _outch; /* output handler if not putc */ 946 #if BROKEN_LINKER || USE_REENTRANT 947 chtype *real_acs_map; 948 int _LINES; 949 int _COLS; 950 int _TABSIZE; 951 int _ESCDELAY; 952 TERMINAL *_cur_term; 953 #ifdef TRACE 954 long _outchars; 955 const char *_tputs_trace; 956 #endif 957 #endif 958 bool use_tioctl; 959 } NCURSES_PRESCREEN; 960 961 /* 962 * Use screen-specific ripoff data (for softkeys) rather than global. 963 */ 964 #ifdef USE_SP_RIPOFF 965 #define safe_ripoff_sp (sp)->rsp 966 #define safe_ripoff_stack (sp)->rippedoff 967 #else 968 #define safe_ripoff_sp _nc_prescreen.rsp 969 #define safe_ripoff_stack _nc_prescreen.rippedoff 970 #endif 971 972 extern NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen; 973 974 /* 975 * The SCREEN structure. 976 */ 977 978 struct screen { 979 int _ifd; /* input file descriptor for screen */ 980 int _ofd; /* output file descriptor for screen */ 981 FILE *_ofp; /* output file ptr for screen */ 982 char *out_buffer; /* output buffer */ 983 size_t out_limit; /* output buffer size */ 984 size_t out_inuse; /* output buffer current use */ 985 bool _filtered; /* filter() was called */ 986 bool _prescreen; /* is in prescreen phase */ 987 bool _use_env; /* LINES & COLS from environment? */ 988 int _checkfd; /* filedesc for typeahead check */ 989 TERMINAL *_term; /* terminal type information */ 990 TTY _saved_tty; /* savetty/resetty information */ 991 NCURSES_SIZE_T _lines; /* screen lines */ 992 NCURSES_SIZE_T _columns; /* screen columns */ 993 994 NCURSES_SIZE_T _lines_avail; /* lines available for stdscr */ 995 NCURSES_SIZE_T _topstolen; /* lines stolen from top */ 996 997 WINDOW *_curscr; /* current screen */ 998 WINDOW *_newscr; /* virtual screen to be updated to */ 999 WINDOW *_stdscr; /* screen's full-window context */ 1000 1001 #define CurScreen(sp) (sp)->_curscr 1002 #define NewScreen(sp) (sp)->_newscr 1003 #define StdScreen(sp) (sp)->_stdscr 1004 1005 TRIES *_keytry; /* "Try" for use with keypad mode */ 1006 TRIES *_key_ok; /* Disabled keys via keyok(,FALSE) */ 1007 bool _tried; /* keypad mode was initialized */ 1008 bool _keypad_on; /* keypad mode is currently on */ 1009 1010 bool _called_wgetch; /* check for recursion in wgetch() */ 1011 int _fifo[FIFO_SIZE]; /* input push-back buffer */ 1012 short _fifohead, /* head of fifo queue */ 1013 _fifotail, /* tail of fifo queue */ 1014 _fifopeek, /* where to peek for next char */ 1015 _fifohold; /* set if breakout marked */ 1016 1017 int _endwin; /* are we out of window mode? */ 1018 NCURSES_CH_T *_current_attr; /* holds current attributes set */ 1019 int _coloron; /* is color enabled? */ 1020 int _color_defs; /* are colors modified */ 1021 int _cursor; /* visibility of the cursor */ 1022 int _cursrow; /* physical cursor row */ 1023 int _curscol; /* physical cursor column */ 1024 bool _notty; /* true if we cannot switch non-tty */ 1025 int _nl; /* True if NL -> CR/NL is on */ 1026 int _raw; /* True if in raw mode */ 1027 int _cbreak; /* 1 if in cbreak mode */ 1028 /* > 1 if in halfdelay mode */ 1029 int _echo; /* True if echo on */ 1030 int _use_meta; /* use the meta key? */ 1031 struct _SLK *_slk; /* ptr to soft key struct / NULL */ 1032 int slk_format; /* selected format for this screen */ 1033 /* cursor movement costs; units are 10ths of milliseconds */ 1034 #if NCURSES_NO_PADDING 1035 bool _no_padding; /* flag to set if padding disabled */ 1036 #endif 1037 int _char_padding; /* cost of character put */ 1038 int _cr_cost; /* cost of (carriage_return) */ 1039 int _cup_cost; /* cost of (cursor_address) */ 1040 int _home_cost; /* cost of (cursor_home) */ 1041 int _ll_cost; /* cost of (cursor_to_ll) */ 1042 #if USE_HARD_TABS 1043 int _ht_cost; /* cost of (tab) */ 1044 int _cbt_cost; /* cost of (backtab) */ 1045 #endif /* USE_HARD_TABS */ 1046 int _cub1_cost; /* cost of (cursor_left) */ 1047 int _cuf1_cost; /* cost of (cursor_right) */ 1048 int _cud1_cost; /* cost of (cursor_down) */ 1049 int _cuu1_cost; /* cost of (cursor_up) */ 1050 int _cub_cost; /* cost of (parm_cursor_left) */ 1051 int _cuf_cost; /* cost of (parm_cursor_right) */ 1052 int _cud_cost; /* cost of (parm_cursor_down) */ 1053 int _cuu_cost; /* cost of (parm_cursor_up) */ 1054 int _hpa_cost; /* cost of (column_address) */ 1055 int _vpa_cost; /* cost of (row_address) */ 1056 /* used in tty_update.c, must be chars */ 1057 int _ed_cost; /* cost of (clr_eos) */ 1058 int _el_cost; /* cost of (clr_eol) */ 1059 int _el1_cost; /* cost of (clr_bol) */ 1060 int _dch1_cost; /* cost of (delete_character) */ 1061 int _ich1_cost; /* cost of (insert_character) */ 1062 int _dch_cost; /* cost of (parm_dch) */ 1063 int _ich_cost; /* cost of (parm_ich) */ 1064 int _ech_cost; /* cost of (erase_chars) */ 1065 int _rep_cost; /* cost of (repeat_char) */ 1066 int _hpa_ch_cost; /* cost of (column_address) */ 1067 int _cup_ch_cost; /* cost of (cursor_address) */ 1068 int _cuf_ch_cost; /* cost of (parm_cursor_right) */ 1069 int _inline_cost; /* cost of inline-move */ 1070 int _smir_cost; /* cost of (enter_insert_mode) */ 1071 int _rmir_cost; /* cost of (exit_insert_mode) */ 1072 int _ip_cost; /* cost of (insert_padding) */ 1073 /* used in lib_mvcur.c */ 1074 char * _address_cursor; 1075 /* used in tty_update.c */ 1076 int _scrolling; /* 1 if terminal's smart enough to */ 1077 1078 /* used in lib_color.c */ 1079 color_t *_color_table; /* screen's color palette */ 1080 int _color_count; /* count of colors in palette */ 1081 colorpair_t *_color_pairs; /* screen's color pair list */ 1082 int _pair_count; /* count of color pairs */ 1083 int _pair_limit; /* actual limit of color-pairs */ 1084 #if NCURSES_EXT_FUNCS 1085 bool _assumed_color; /* use assumed colors */ 1086 bool _default_color; /* use default colors */ 1087 bool _has_sgr_39_49; /* has ECMA default color support */ 1088 int _default_fg; /* assumed default foreground */ 1089 int _default_bg; /* assumed default background */ 1090 int _default_pairs; /* count pairs using default color */ 1091 #endif 1092 chtype _ok_attributes; /* valid attributes for terminal */ 1093 chtype _xmc_suppress; /* attributes to suppress if xmc */ 1094 chtype _xmc_triggers; /* attributes to process if xmc */ 1095 chtype * _acs_map; /* the real alternate-charset map */ 1096 bool * _screen_acs_map; 1097 1098 1099 /* used in lib_vidattr.c */ 1100 bool _use_rmso; /* true if we may use 'rmso' */ 1101 bool _use_rmul; /* true if we may use 'rmul' */ 1102 #if USE_ITALIC 1103 bool _use_ritm; /* true if we may use 'ritm' */ 1104 #endif 1105 1106 #if USE_KLIBC_KBD 1107 bool _extended_key; /* true if an extended key */ 1108 #endif 1109 1110 /* 1111 * These data correspond to the state of the idcok() and idlok() 1112 * functions. A caveat is in order here: the XSI and SVr4 1113 * documentation specify that these functions apply to the window which 1114 * is given as an argument. However, ncurses implements this logic 1115 * only for the newscr/curscr update process, _not_ per-window. 1116 */ 1117 bool _nc_sp_idlok; 1118 bool _nc_sp_idcok; 1119 1120 /* 1121 * These are the data that support the mouse interface. 1122 */ 1123 bool _mouse_initialized; 1124 MouseType _mouse_type; 1125 int _maxclick; 1126 bool (*_mouse_event) (SCREEN *); 1127 bool (*_mouse_inline)(SCREEN *); 1128 bool (*_mouse_parse) (SCREEN *, int); 1129 void (*_mouse_resume)(SCREEN *); 1130 void (*_mouse_wrap) (SCREEN *); 1131 int _mouse_fd; /* file-descriptor, if any */ 1132 bool _mouse_active; /* true if initialized */ 1133 mmask_t _mouse_mask; /* set via mousemask() */ 1134 mmask_t _mouse_mask2; /* OR's in press/release bits */ 1135 mmask_t _mouse_bstate; 1136 NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */ 1137 MEVENT _mouse_events[EV_MAX]; /* hold the last mouse event seen */ 1138 MEVENT *_mouse_eventp; /* next free slot in event queue */ 1139 1140 #if USE_GPM_SUPPORT 1141 bool _mouse_gpm_loaded; 1142 bool _mouse_gpm_found; 1143 #ifdef HAVE_LIBDL 1144 void *_dlopen_gpm; 1145 TYPE_gpm_fd _mouse_gpm_fd; 1146 TYPE_Gpm_Open _mouse_Gpm_Open; 1147 TYPE_Gpm_Close _mouse_Gpm_Close; 1148 TYPE_Gpm_GetEvent _mouse_Gpm_GetEvent; 1149 #endif 1150 Gpm_Connect _mouse_gpm_connect; 1151 #endif /* USE_GPM_SUPPORT */ 1152 1153 #if USE_EMX_MOUSE 1154 int _emxmouse_wfd; 1155 int _emxmouse_thread; 1156 int _emxmouse_activated; 1157 char _emxmouse_buttons[4]; 1158 #endif 1159 1160 #if USE_SYSMOUSE 1161 MEVENT _sysmouse_fifo[FIFO_SIZE]; 1162 int _sysmouse_head; 1163 int _sysmouse_tail; 1164 int _sysmouse_char_width; /* character width */ 1165 int _sysmouse_char_height; /* character height */ 1166 int _sysmouse_old_buttons; 1167 int _sysmouse_new_buttons; 1168 #endif 1169 1170 #ifdef USE_TERM_DRIVER 1171 MEVENT _drv_mouse_fifo[FIFO_SIZE]; 1172 int _drv_mouse_head; 1173 int _drv_mouse_tail; 1174 int _drv_mouse_old_buttons; 1175 int _drv_mouse_new_buttons; 1176 #endif 1177 /* 1178 * This supports automatic resizing 1179 */ 1180 #if USE_SIZECHANGE 1181 int (*_resize)(NCURSES_SP_DCLx int y, int x); 1182 int (*_ungetch)(SCREEN *, int); 1183 #endif 1184 1185 /* 1186 * These are data that support the proper handling of the panel stack on an 1187 * per screen basis. 1188 */ 1189 struct panelhook _panelHook; 1190 1191 bool _sig_winch; 1192 SCREEN *_next_screen; 1193 1194 /* hashes for old and new lines */ 1195 unsigned long *oldhash, *newhash; 1196 HASHMAP *hashtab; 1197 int hashtab_len; 1198 int *_oldnum_list; 1199 int _oldnum_size; 1200 1201 NCURSES_SP_OUTC _outch; /* output handler if not putc */ 1202 1203 int _legacy_coding; /* see use_legacy_coding() */ 1204 1205 #if USE_REENTRANT 1206 char _ttytype[NAMESIZE]; 1207 int _ESCDELAY; 1208 int _TABSIZE; 1209 int _LINES; 1210 int _COLS; 1211 #ifdef TRACE 1212 long _outchars; 1213 const char *_tputs_trace; 1214 #endif 1215 #endif 1216 1217 #ifdef TRACE 1218 char tracechr_buf[40]; 1219 char tracemse_buf[TRACEMSE_MAX]; 1220 #endif 1221 #ifdef USE_SP_WINDOWLIST 1222 WINDOWLIST* _windowlist; 1223 #define WindowList(sp) (sp)->_windowlist 1224 #endif 1225 NCURSES_OUTC jump; 1226 1227 ripoff_t rippedoff[N_RIPS]; 1228 ripoff_t *rsp; 1229 1230 /* 1231 * ncurses/ncursesw are the same up to this point. 1232 */ 1233 #if USE_WIDEC_SUPPORT 1234 /* recent versions of 'screen' have partially-working support for 1235 * UTF-8, but do not permit ACS at the same time (see tty_update.c). 1236 */ 1237 bool _screen_acs_fix; 1238 bool _screen_unicode; 1239 #endif 1240 1241 bool _use_tioctl; 1242 }; 1243 1244 extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain; 1245 extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch; 1246 1247 WINDOWLIST { 1248 WINDOWLIST *next; 1249 SCREEN *screen; /* screen containing the window */ 1250 WINDOW win; /* WINDOW_EXT() needs to account for offset */ 1251 #if NCURSES_WIDECHAR 1252 char addch_work[(MB_LEN_MAX * 9) + 1]; 1253 unsigned addch_used; /* number of bytes in addch_work[] */ 1254 int addch_x; /* x-position for addch_work[] */ 1255 int addch_y; /* y-position for addch_work[] */ 1256 #endif 1257 }; 1258 1259 #define WINDOW_EXT(w,m) (((WINDOWLIST *)((void *)((char *)(w) - offsetof(WINDOWLIST, win))))->m) 1260 1261 #define SP_PRE_INIT(sp) \ 1262 sp->_cursrow = -1; \ 1263 sp->_curscol = -1; \ 1264 sp->_nl = TRUE; \ 1265 sp->_raw = FALSE; \ 1266 sp->_cbreak = 0; \ 1267 sp->_echo = TRUE; \ 1268 sp->_fifohead = -1; \ 1269 sp->_endwin = TRUE; \ 1270 sp->_cursor = -1; \ 1271 WindowList(sp) = 0; \ 1272 sp->_outch = NCURSES_OUTC_FUNC; \ 1273 sp->jump = 0 \ 1274 1275 /* usually in <limits.h> */ 1276 #ifndef UCHAR_MAX 1277 #define UCHAR_MAX 255 1278 #endif 1279 1280 /* The terminfo source is assumed to be 7-bit ASCII */ 1281 #define is7bits(c) ((unsigned)(c) < 128) 1282 1283 /* Checks for isprint() should be done on 8-bit characters (non-wide) */ 1284 #define is8bits(c) ((unsigned)(c) <= UCHAR_MAX) 1285 1286 #ifndef min 1287 #define min(a,b) ((a) > (b) ? (b) : (a)) 1288 #endif 1289 1290 #ifndef max 1291 #define max(a,b) ((a) < (b) ? (b) : (a)) 1292 #endif 1293 1294 /* usually in <unistd.h> */ 1295 #ifndef STDIN_FILENO 1296 #define STDIN_FILENO 0 1297 #endif 1298 1299 #ifndef STDOUT_FILENO 1300 #define STDOUT_FILENO 1 1301 #endif 1302 1303 #ifndef STDERR_FILENO 1304 #define STDERR_FILENO 2 1305 #endif 1306 1307 #ifndef EXIT_SUCCESS 1308 #define EXIT_SUCCESS 0 1309 #endif 1310 1311 #ifndef EXIT_FAILURE 1312 #define EXIT_FAILURE 1 1313 #endif 1314 1315 #ifndef R_OK 1316 #define R_OK 4 /* Test for read permission. */ 1317 #endif 1318 #ifndef W_OK 1319 #define W_OK 2 /* Test for write permission. */ 1320 #endif 1321 #ifndef X_OK 1322 #define X_OK 1 /* Test for execute permission. */ 1323 #endif 1324 #ifndef F_OK 1325 #define F_OK 0 /* Test for existence. */ 1326 #endif 1327 1328 #if HAVE_FCNTL_H 1329 #include <fcntl.h> /* may define O_BINARY */ 1330 #endif 1331 1332 #ifndef O_BINARY 1333 #define O_BINARY 0 1334 #endif 1335 1336 #ifdef TRACE 1337 #if USE_REENTRANT 1338 #define COUNT_OUTCHARS(n) _nc_count_outchars(n); 1339 #else 1340 #define COUNT_OUTCHARS(n) _nc_outchars += (n); 1341 #endif 1342 #else 1343 #define COUNT_OUTCHARS(n) /* nothing */ 1344 #endif 1345 1346 #define RESET_OUTCHARS() COUNT_OUTCHARS(-_nc_outchars) 1347 1348 #define UChar(c) ((unsigned char)(c)) 1349 #define UShort(c) ((unsigned short)(c)) 1350 #define ChCharOf(c) ((chtype)(c) & (chtype)A_CHARTEXT) 1351 #define ChAttrOf(c) ((chtype)(c) & (chtype)A_ATTRIBUTES) 1352 1353 #ifndef MB_LEN_MAX 1354 #define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */ 1355 #endif 1356 1357 #if USE_WIDEC_SUPPORT /* { */ 1358 #define isEILSEQ(status) (((size_t)status == (size_t)-1) && (errno == EILSEQ)) 1359 1360 #define init_mb(state) memset(&state, 0, sizeof(state)) 1361 1362 #if NCURSES_EXT_COLORS 1363 #define NulColor , 0 1364 #else 1365 #define NulColor /* nothing */ 1366 #endif 1367 1368 #define NulChar 0,0,0,0 /* FIXME: see CCHARW_MAX */ 1369 #define CharOf(c) ((c).chars[0]) 1370 #define AttrOf(c) ((c).attr) 1371 1372 #define AddAttr(c,a) AttrOf(c) |= ((a) & A_ATTRIBUTES) 1373 #define RemAttr(c,a) AttrOf(c) &= ~((a) & A_ATTRIBUTES) 1374 #define SetAttr(c,a) AttrOf(c) = ((a) & A_ATTRIBUTES) | WidecExt(c) 1375 1376 #define NewChar2(c,a) { a, { c, NulChar } NulColor } 1377 #define NewChar(ch) NewChar2(ChCharOf(ch), ChAttrOf(ch)) 1378 1379 #if CCHARW_MAX == 5 1380 #define CharEq(a,b) (((a).attr == (b).attr) \ 1381 && (a).chars[0] == (b).chars[0] \ 1382 && (a).chars[1] == (b).chars[1] \ 1383 && (a).chars[2] == (b).chars[2] \ 1384 && (a).chars[3] == (b).chars[3] \ 1385 && (a).chars[4] == (b).chars[4] \ 1386 if_EXT_COLORS(&& (a).ext_color == (b).ext_color)) 1387 #else 1388 #define CharEq(a,b) (!memcmp(&(a), &(b), sizeof(a))) 1389 #endif 1390 1391 #define SetChar(ch,c,a) do { \ 1392 NCURSES_CH_T *_cp = &ch; \ 1393 memset(_cp, 0, sizeof(ch)); \ 1394 _cp->chars[0] = (wchar_t) (c); \ 1395 _cp->attr = (a); \ 1396 if_EXT_COLORS(SetPair(ch, PairNumber(a))); \ 1397 } while (0) 1398 #define CHREF(wch) (&wch) 1399 #define CHDEREF(wch) (*wch) 1400 #define ARG_CH_T NCURSES_CH_T * 1401 #define CARG_CH_T const NCURSES_CH_T * 1402 #define PUTC_DATA char PUTC_buf[MB_LEN_MAX]; int PUTC_i, PUTC_n; \ 1403 mbstate_t PUT_st; wchar_t PUTC_ch 1404 #define PUTC_INIT init_mb (PUT_st) 1405 #define PUTC(ch) do { if(!isWidecExt(ch)) { \ 1406 if (Charable(ch)) { \ 1407 NCURSES_OUTC_FUNC (NCURSES_SP_ARGx CharOf(ch)); \ 1408 COUNT_OUTCHARS(1); \ 1409 } else { \ 1410 PUTC_INIT; \ 1411 for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) { \ 1412 PUTC_ch = (ch).chars[PUTC_i]; \ 1413 if (PUTC_ch == L'\0') \ 1414 break; \ 1415 PUTC_n = (int) wcrtomb(PUTC_buf, \ 1416 (ch).chars[PUTC_i], &PUT_st); \ 1417 if (PUTC_n <= 0) { \ 1418 if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) \ 1419 NCURSES_OUTC_FUNC (NCURSES_SP_ARGx CharOf(ch)); \ 1420 break; \ 1421 } else { \ 1422 int PUTC_j; \ 1423 for (PUTC_j = 0; PUTC_j < PUTC_n; ++PUTC_j) { \ 1424 NCURSES_OUTC_FUNC (NCURSES_SP_ARGx PUTC_buf[PUTC_j]); \ 1425 } \ 1426 } \ 1427 } \ 1428 COUNT_OUTCHARS(PUTC_i); \ 1429 } } } while (0) 1430 1431 #define BLANK NewChar2(' ', WA_NORMAL) 1432 #define ZEROS NewChar2('\0', WA_NORMAL) 1433 #define ISBLANK(ch) ((ch).chars[0] == L' ' && (ch).chars[1] == L'\0') 1434 1435 /* 1436 * Wide characters cannot be represented in the A_CHARTEXT mask of 1437 * attr_t's but an application might have set a narrow character there. 1438 * But even in that case, it would only be a printable character, or 1439 * zero. Otherwise we can use those bits to tell if a cell is the 1440 * first or extension part of a wide character. 1441 */ 1442 #define WidecExt(ch) (int) (AttrOf(ch) & A_CHARTEXT) 1443 #define isWidecBase(ch) (WidecExt(ch) == 1) 1444 #define isWidecExt(ch) (WidecExt(ch) > 1 && WidecExt(ch) < 32) 1445 #define SetWidecExt(dst, ext) AttrOf(dst) &= ~A_CHARTEXT, \ 1446 AttrOf(dst) |= (attr_t) (ext + 1) 1447 1448 #define if_WIDEC(code) code 1449 #define Charable(ch) ((SP_PARM->_legacy_coding) \ 1450 || (AttrOf(ch) & A_ALTCHARSET) \ 1451 || (!isWidecExt(ch) && \ 1452 (ch).chars[1] == L'\0' && \ 1453 _nc_is_charable(CharOf(ch)))) 1454 1455 #define L(ch) L ## ch 1456 #else /* }{ */ 1457 #define CharOf(c) ChCharOf(c) 1458 #define AttrOf(c) ChAttrOf(c) 1459 #define AddAttr(c,a) c |= (a) 1460 #define RemAttr(c,a) c &= ~((a) & A_ATTRIBUTES) 1461 #define SetAttr(c,a) c = ((c) & ~A_ATTRIBUTES) | (a) 1462 #define NewChar(ch) (ch) 1463 #define NewChar2(c,a) ((c) | (a)) 1464 #define CharEq(a,b) ((a) == (b)) 1465 #define SetChar(ch,c,a) ch = (c) | (a) 1466 #define CHREF(wch) wch 1467 #define CHDEREF(wch) wch 1468 #define ARG_CH_T NCURSES_CH_T 1469 #define CARG_CH_T NCURSES_CH_T 1470 #define PUTC_DATA /* nothing */ 1471 #define PUTC(ch) NCURSES_OUTC_FUNC (NCURSES_SP_ARGx (int) ch) 1472 1473 #define BLANK (' '|A_NORMAL) 1474 #define ZEROS ('\0'|A_NORMAL) 1475 #define ISBLANK(ch) (CharOf(ch) == ' ') 1476 1477 #define isWidecExt(ch) (0) 1478 #define if_WIDEC(code) /* nothing */ 1479 1480 #define L(ch) ch 1481 #endif /* } */ 1482 1483 #define AttrOfD(ch) AttrOf(CHDEREF(ch)) 1484 #define CharOfD(ch) CharOf(CHDEREF(ch)) 1485 #define SetChar2(wch,ch) SetChar(wch,ChCharOf(ch),ChAttrOf(ch)) 1486 1487 #define BLANK_ATTR A_NORMAL 1488 #define BLANK_TEXT L(' ') 1489 1490 #define CHANGED -1 1491 1492 #define LEGALYX(w, y, x) \ 1493 ((w) != 0 && \ 1494 ((x) >= 0 && (x) <= (w)->_maxx && \ 1495 (y) >= 0 && (y) <= (w)->_maxy)) 1496 1497 #define CHANGED_CELL(line,col) \ 1498 if (line->firstchar == _NOCHANGE) \ 1499 line->firstchar = line->lastchar = (NCURSES_SIZE_T) (col); \ 1500 else if ((col) < line->firstchar) \ 1501 line->firstchar = (NCURSES_SIZE_T) (col); \ 1502 else if ((col) > line->lastchar) \ 1503 line->lastchar = (NCURSES_SIZE_T) (col) 1504 1505 #define CHANGED_RANGE(line,start,end) \ 1506 if (line->firstchar == _NOCHANGE \ 1507 || line->firstchar > (start)) \ 1508 line->firstchar = (NCURSES_SIZE_T) (start); \ 1509 if (line->lastchar == _NOCHANGE \ 1510 || line->lastchar < (end)) \ 1511 line->lastchar = (NCURSES_SIZE_T) (end) 1512 1513 #define CHANGED_TO_EOL(line,start,end) \ 1514 if (line->firstchar == _NOCHANGE \ 1515 || line->firstchar > (start)) \ 1516 line->firstchar = (NCURSES_SIZE_T) (start); \ 1517 line->lastchar = (NCURSES_SIZE_T) (end) 1518 1519 #define SIZEOF(v) (sizeof(v)/sizeof(v[0])) 1520 1521 #define FreeIfNeeded(p) if ((p) != 0) free(p) 1522 1523 /* FreeAndNull() is not a comma-separated expression because some compilers 1524 * do not accept a mixture of void with values. 1525 */ 1526 #define FreeAndNull(p) free(p); p = 0 1527 1528 #include <nc_alloc.h> 1529 1530 /* 1531 * Use these for tic/infocmp malloc failures. Generally the ncurses library 1532 * tries to limp along after a failure. 1533 */ 1534 #define TYPE_MALLOC(type, size, name) \ 1535 name = typeMalloc(type, size); \ 1536 if (name == 0) \ 1537 _nc_err_abort(MSG_NO_MEMORY) 1538 1539 #define TYPE_REALLOC(type, size, name) \ 1540 name = typeRealloc(type, size, name); \ 1541 if (name == 0) \ 1542 _nc_err_abort(MSG_NO_MEMORY) 1543 1544 /* 1545 * TTY bit definition for converting tabs to spaces. 1546 */ 1547 #ifdef TAB3 1548 # define OFLAGS_TABS TAB3 /* POSIX specifies TAB3 */ 1549 #else 1550 # ifdef XTABS 1551 # define OFLAGS_TABS XTABS /* XTABS is usually the "same" */ 1552 # else 1553 # ifdef OXTABS 1554 # define OFLAGS_TABS OXTABS /* the traditional BSD equivalent */ 1555 # else 1556 # define OFLAGS_TABS 0 1557 # endif 1558 # endif 1559 #endif 1560 1561 /* 1562 * Standardize/simplify common loops 1563 */ 1564 #define each_screen(p) p = _nc_screen_chain; p != 0; p = (p)->_next_screen 1565 #define each_window(sp,p) p = WindowList(sp); p != 0; p = (p)->next 1566 #define each_ripoff(p) p = safe_ripoff_stack; (p - safe_ripoff_stack) < N_RIPS; ++p 1567 1568 /* 1569 * Prefixes for call/return points of library function traces. We use these to 1570 * instrument the public functions so that the traces can be easily transformed 1571 * into regression scripts. 1572 */ 1573 #define T_CALLED(fmt) "called {" fmt 1574 #define T_CREATE(fmt) "create :" fmt 1575 #define T_RETURN(fmt) "return }" fmt 1576 1577 #ifdef TRACE 1578 1579 #if USE_REENTRANT 1580 #define TPUTS_TRACE(s) _nc_set_tputs_trace(s); 1581 #else 1582 #define TPUTS_TRACE(s) _nc_tputs_trace = s; 1583 #endif 1584 1585 #define START_TRACE() \ 1586 if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \ 1587 int t = _nc_getenv_num("NCURSES_TRACE"); \ 1588 if (t >= 0) \ 1589 trace((unsigned) t); \ 1590 } 1591 1592 /* 1593 * Many of the _tracef() calls use static buffers; lock the trace state before 1594 * trying to fill them. 1595 */ 1596 #if USE_REENTRANT 1597 #define USE_TRACEF(mask) _nc_use_tracef(mask) 1598 extern NCURSES_EXPORT(int) _nc_use_tracef (unsigned); 1599 extern NCURSES_EXPORT(void) _nc_locked_tracef (const char *, ...) GCC_PRINTFLIKE(1,2); 1600 #else 1601 #define USE_TRACEF(mask) (_nc_tracing & (mask)) 1602 #define _nc_locked_tracef _tracef 1603 #endif 1604 1605 #define TR(n, a) if (USE_TRACEF(n)) _nc_locked_tracef a 1606 #define T(a) TR(TRACE_CALLS, a) 1607 #define TRACE_RETURN(value,type) return _nc_retrace_##type(value) 1608 #define TRACE_RETURN2(value,dst,src) return _nc_retrace_##dst##_##src(value) 1609 #define TRACE_RETURN_SP(value,type) return _nc_retrace_##type(SP_PARM, value) 1610 1611 #define NonNull(s) ((s) != 0 ? s : "<null>") 1612 1613 #define returnAttr(code) TRACE_RETURN(code,attr_t) 1614 #define returnBits(code) TRACE_RETURN(code,unsigned) 1615 #define returnBool(code) TRACE_RETURN(code,bool) 1616 #define returnCPtr(code) TRACE_RETURN(code,cptr) 1617 #define returnCVoidPtr(code) TRACE_RETURN(code,cvoid_ptr) 1618 #define returnChar(code) TRACE_RETURN(code,char) 1619 #define returnChtype(code) TRACE_RETURN(code,chtype) 1620 #define returnCode(code) TRACE_RETURN(code,int) 1621 #define returnIntAttr(code) TRACE_RETURN2(code,int,attr_t) 1622 #define returnMMask(code) TRACE_RETURN_SP(code,mmask_t) 1623 #define returnPtr(code) TRACE_RETURN(code,ptr) 1624 #define returnSP(code) TRACE_RETURN(code,sp) 1625 #define returnVoid T((T_RETURN(""))); return 1626 #define returnVoidPtr(code) TRACE_RETURN(code,void_ptr) 1627 #define returnWin(code) TRACE_RETURN(code,win) 1628 1629 extern NCURSES_EXPORT(NCURSES_BOOL) _nc_retrace_bool (int); 1630 extern NCURSES_EXPORT(NCURSES_CONST void *) _nc_retrace_cvoid_ptr (NCURSES_CONST void *); 1631 extern NCURSES_EXPORT(SCREEN *) _nc_retrace_sp (SCREEN *); 1632 extern NCURSES_EXPORT(WINDOW *) _nc_retrace_win (WINDOW *); 1633 extern NCURSES_EXPORT(attr_t) _nc_retrace_attr_t (attr_t); 1634 extern NCURSES_EXPORT(char *) _nc_retrace_ptr (char *); 1635 extern NCURSES_EXPORT(char *) _nc_trace_ttymode(TTY *tty); 1636 extern NCURSES_EXPORT(char *) _nc_varargs (const char *, va_list); 1637 extern NCURSES_EXPORT(chtype) _nc_retrace_chtype (chtype); 1638 extern NCURSES_EXPORT(const char *) _nc_altcharset_name(attr_t, chtype); 1639 extern NCURSES_EXPORT(const char *) _nc_retrace_cptr (const char *); 1640 extern NCURSES_EXPORT(char) _nc_retrace_char (int); 1641 extern NCURSES_EXPORT(int) _nc_retrace_int (int); 1642 extern NCURSES_EXPORT(int) _nc_retrace_int_attr_t (attr_t); 1643 extern NCURSES_EXPORT(mmask_t) _nc_retrace_mmask_t (SCREEN *, mmask_t); 1644 extern NCURSES_EXPORT(unsigned) _nc_retrace_unsigned (unsigned); 1645 extern NCURSES_EXPORT(void *) _nc_retrace_void_ptr (void *); 1646 extern NCURSES_EXPORT(void) _nc_fifo_dump (SCREEN *); 1647 1648 #if USE_REENTRANT 1649 NCURSES_WRAPPED_VAR(long, _nc_outchars); 1650 NCURSES_WRAPPED_VAR(const char *, _nc_tputs_trace); 1651 #define _nc_outchars NCURSES_PUBLIC_VAR(_nc_outchars()) 1652 #define _nc_tputs_trace NCURSES_PUBLIC_VAR(_nc_tputs_trace()) 1653 extern NCURSES_EXPORT(void) _nc_set_tputs_trace (const char *); 1654 extern NCURSES_EXPORT(void) _nc_count_outchars (long); 1655 #else 1656 extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace; 1657 extern NCURSES_EXPORT_VAR(long) _nc_outchars; 1658 #endif 1659 1660 extern NCURSES_EXPORT_VAR(unsigned) _nc_tracing; 1661 1662 #if USE_WIDEC_SUPPORT 1663 extern NCURSES_EXPORT(const char *) _nc_viswbuf2 (int, const wchar_t *); 1664 extern NCURSES_EXPORT(const char *) _nc_viswbufn (const wchar_t *, int); 1665 #endif 1666 1667 extern NCURSES_EXPORT(const char *) _nc_viscbuf2 (int, const NCURSES_CH_T *, int); 1668 extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int); 1669 1670 #else /* !TRACE */ 1671 1672 #define START_TRACE() /* nothing */ 1673 1674 #define T(a) 1675 #define TR(n, a) 1676 #define TPUTS_TRACE(s) 1677 1678 #define returnAttr(code) return code 1679 #define returnBits(code) return code 1680 #define returnBool(code) return code 1681 #define returnCPtr(code) return code 1682 #define returnCVoidPtr(code) return code 1683 #define returnChar(code) return ((char) code) 1684 #define returnChtype(code) return code 1685 #define returnCode(code) return code 1686 #define returnIntAttr(code) return code 1687 #define returnMMask(code) return code 1688 #define returnPtr(code) return code 1689 #define returnSP(code) return code 1690 #define returnVoid return 1691 #define returnVoidPtr(code) return code 1692 #define returnWin(code) return code 1693 1694 #endif /* TRACE/!TRACE */ 1695 1696 /* 1697 * Workaround for defective implementation of gcc attribute warn_unused_result 1698 */ 1699 #if defined(__GNUC__) && defined(_FORTIFY_SOURCE) 1700 #define IGNORE_RC(func) errno = (int) func 1701 #else 1702 #define IGNORE_RC(func) (void) func 1703 #endif /* gcc workarounds */ 1704 1705 /* 1706 * Return-codes for tgetent() and friends. 1707 */ 1708 #define TGETENT_YES 1 /* entry is found */ 1709 #define TGETENT_NO 0 /* entry is not found */ 1710 #define TGETENT_ERR -1 /* an error occurred */ 1711 1712 extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *); 1713 extern NCURSES_EXPORT(const char *) _nc_visbufn (const char *, int); 1714 1715 #define EMPTY_MODULE(name) \ 1716 extern NCURSES_EXPORT(void) name (void); \ 1717 NCURSES_EXPORT(void) name (void) { } 1718 1719 #define ALL_BUT_COLOR ((chtype)~(A_COLOR)) 1720 #define NONBLANK_ATTR (A_BOLD | A_DIM | A_BLINK | A_ITALIC) 1721 #define TPARM_ATTR (A_STANDOUT | A_UNDERLINE | A_REVERSE | A_BLINK | A_DIM | A_BOLD | A_ALTCHARSET | A_INVIS | A_PROTECT) 1722 #define XMC_CONFLICT (A_STANDOUT | A_UNDERLINE | A_REVERSE | A_BLINK | A_DIM | A_BOLD | A_INVIS | A_PROTECT | A_ITALIC) 1723 #define XMC_CHANGES(c) ((c) & SP_PARM->_xmc_suppress) 1724 1725 #define toggle_attr_on(S,at) {\ 1726 if (PairNumber(at) > 0) {\ 1727 (S) = ((S) & ALL_BUT_COLOR) | (attr_t) (at);\ 1728 } else {\ 1729 (S) |= (attr_t) (at);\ 1730 }\ 1731 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));} 1732 1733 1734 #define toggle_attr_off(S,at) {\ 1735 if (PairNumber(at) > 0) {\ 1736 (S) &= ~(at|A_COLOR);\ 1737 } else {\ 1738 (S) &= ~(at);\ 1739 }\ 1740 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));} 1741 1742 #define DelCharCost(sp,count) \ 1743 ((parm_dch != 0) \ 1744 ? sp->_dch_cost \ 1745 : ((delete_character != 0) \ 1746 ? (sp->_dch1_cost * count) \ 1747 : INFINITY)) 1748 1749 #define InsCharCost(sp,count) \ 1750 ((parm_ich != 0) \ 1751 ? sp->_ich_cost \ 1752 : ((enter_insert_mode && exit_insert_mode) \ 1753 ? sp->_smir_cost + sp->_rmir_cost + (sp->_ip_cost * count) \ 1754 : ((insert_character != 0) \ 1755 ? ((sp->_ich1_cost + sp->_ip_cost) * count) \ 1756 : INFINITY))) 1757 1758 #if USE_XMC_SUPPORT 1759 #define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \ 1760 attr_t chg = AttrOf(SCREEN_ATTRS(sp)); \ 1761 VIDATTR(sp, AttrOf(c), GetPair(c)); \ 1762 if (magic_cookie_glitch > 0 \ 1763 && XMC_CHANGES((chg ^ AttrOf(SCREEN_ATTRS(sp))))) { \ 1764 T(("%s @%d before glitch %d,%d", \ 1765 __FILE__, __LINE__, \ 1766 sp->_cursrow, \ 1767 sp->_curscol)); \ 1768 NCURSES_SP_NAME(_nc_do_xmc_glitch)(NCURSES_SP_ARGx chg); \ 1769 } \ 1770 } 1771 #else 1772 #define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \ 1773 VIDATTR(sp, AttrOf(c), GetPair(c)); \ 1774 } 1775 #endif 1776 1777 /* 1778 * Macros to make additional parameter to implement wgetch_events() 1779 */ 1780 #ifdef NCURSES_WGETCH_EVENTS 1781 #define EVENTLIST_0th(param) param 1782 #define EVENTLIST_1st(param) param 1783 #define EVENTLIST_2nd(param) , param 1784 #define TWAIT_MASK (TW_ANY | TW_EVENT) 1785 #else 1786 #define EVENTLIST_0th(param) void 1787 #define EVENTLIST_1st(param) /* nothing */ 1788 #define EVENTLIST_2nd(param) /* nothing */ 1789 #define TWAIT_MASK TW_ANY 1790 #endif 1791 1792 #if NCURSES_EXPANDED && NCURSES_EXT_FUNCS 1793 1794 #undef toggle_attr_on 1795 #define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at) 1796 extern NCURSES_EXPORT(void) _nc_toggle_attr_on (attr_t *, attr_t); 1797 1798 #undef toggle_attr_off 1799 #define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at) 1800 extern NCURSES_EXPORT(void) _nc_toggle_attr_off (attr_t *, attr_t); 1801 1802 #undef DelCharCost 1803 #define DelCharCost(sp, count) NCURSES_SP_NAME(_nc_DelCharCost)(NCURSES_SP_ARGx count) 1804 1805 #undef InsCharCost 1806 #define InsCharCost(sp, count) NCURSES_SP_NAME(_nc_InsCharCost)(NCURSES_SP_ARGx count) 1807 1808 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_DelCharCost) (NCURSES_SP_DCLx int _c); 1809 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_InsCharCost) (NCURSES_SP_DCLx int _c); 1810 1811 #undef UpdateAttrs 1812 #define UpdateAttrs(sp,c) NCURSES_SP_NAME(_nc_UpdateAttrs)(NCURSES_SP_ARGx CHREF(c)) 1813 1814 #if USE_WIDEC_SUPPORT || defined(NEED_NCURSES_CH_T) 1815 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_UpdateAttrs) (NCURSES_SP_DCLx CARG_CH_T _c); 1816 #else 1817 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_UpdateAttrs) (NCURSES_SP_DCLx chtype c); 1818 #endif 1819 1820 #if NCURSES_SP_FUNCS 1821 extern NCURSES_EXPORT(int) _nc_DelCharCost (int); 1822 extern NCURSES_EXPORT(int) _nc_InsCharCost (int); 1823 extern NCURSES_EXPORT(void) _nc_UpdateAttrs (CARG_CH_T); 1824 #endif /* NCURSES_SP_FUNCS */ 1825 1826 #else 1827 1828 extern NCURSES_EXPORT(void) _nc_expanded (void); 1829 1830 #endif 1831 1832 #if !NCURSES_EXT_FUNCS 1833 #define set_escdelay(value) ESCDELAY = value 1834 #endif 1835 1836 #if !HAVE_GETCWD 1837 #define getcwd(buf,len) getwd(buf) 1838 #endif 1839 1840 /* charable.c */ 1841 #if USE_WIDEC_SUPPORT 1842 extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t); 1843 extern NCURSES_EXPORT(int) _nc_to_char(wint_t); 1844 extern NCURSES_EXPORT(wint_t) _nc_to_widechar(int); 1845 #endif 1846 1847 /* comp_captab.c */ 1848 typedef struct { 1849 short nte_name; /* offset of name to hash on */ 1850 int nte_type; /* BOOLEAN, NUMBER or STRING */ 1851 short nte_index; /* index of associated variable in its array */ 1852 short nte_link; /* index in table of next hash, or -1 */ 1853 } name_table_data; 1854 1855 typedef struct 1856 { 1857 short from; 1858 short to; 1859 short source; 1860 } alias_table_data; 1861 1862 /* doupdate.c */ 1863 #if USE_XMC_SUPPORT 1864 extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t); 1865 #endif 1866 1867 /* hardscroll.c */ 1868 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG) 1869 extern NCURSES_EXPORT(void) _nc_linedump (void); 1870 #endif 1871 1872 /* lib_acs.c */ 1873 extern NCURSES_EXPORT(void) _nc_init_acs (void); /* corresponds to traditional 'init_acs()' */ 1874 extern NCURSES_EXPORT(int) _nc_msec_cost (const char *const, int); /* used by 'tack' program */ 1875 1876 /* lib_addch.c */ 1877 #if USE_WIDEC_SUPPORT 1878 NCURSES_EXPORT(int) _nc_build_wch(WINDOW *win, ARG_CH_T ch); 1879 #endif 1880 1881 /* lib_addstr.c */ 1882 #if USE_WIDEC_SUPPORT && !(defined(USE_TERMLIB) || defined(USE_BUILD_CC)) 1883 extern NCURSES_EXPORT(int) _nc_wchstrlen(const cchar_t *); 1884 #endif 1885 1886 /* lib_color.c */ 1887 extern NCURSES_EXPORT(bool) _nc_reset_colors(void); 1888 1889 /* lib_getch.c */ 1890 extern NCURSES_EXPORT(int) _nc_wgetch(WINDOW *, int *, int EVENTLIST_2nd(_nc_eventlist *)); 1891 1892 /* lib_insch.c */ 1893 extern NCURSES_EXPORT(int) _nc_insert_ch(SCREEN *, WINDOW *, chtype); 1894 1895 /* lib_mvcur.c */ 1896 #define INFINITY 1000000 /* cost: too high to use */ 1897 1898 extern NCURSES_EXPORT(int) _nc_mvcur(int yold, int xold, int ynew, int xnew); 1899 1900 extern NCURSES_EXPORT(void) _nc_mvcur_init (void); 1901 extern NCURSES_EXPORT(void) _nc_mvcur_resume (void); 1902 extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void); 1903 1904 extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int); 1905 1906 extern NCURSES_EXPORT(void) _nc_screen_init (void); 1907 extern NCURSES_EXPORT(void) _nc_screen_resume (void); 1908 extern NCURSES_EXPORT(void) _nc_screen_wrap (void); 1909 1910 /* lib_mouse.c */ 1911 extern NCURSES_EXPORT(bool) _nc_has_mouse (SCREEN *); 1912 1913 /* lib_mvcur.c */ 1914 #define INFINITY 1000000 /* cost: too high to use */ 1915 #define BAUDBYTE 9 /* 9 = 7 bits + 1 parity + 1 stop */ 1916 1917 /* lib_setup.c */ 1918 extern NCURSES_EXPORT(char *) _nc_get_locale(void); 1919 extern NCURSES_EXPORT(int) _nc_unicode_locale(void); 1920 extern NCURSES_EXPORT(int) _nc_locale_breaks_acs(TERMINAL *); 1921 extern NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *, int, int *, int); 1922 extern NCURSES_EXPORT(void) _nc_tinfo_cmdch(TERMINAL *, int); 1923 1924 /* lib_set_term.c */ 1925 extern NCURSES_EXPORT(int) _nc_ripoffline(int, int(*)(WINDOW*, int)); 1926 1927 /* lib_setup.c */ 1928 #define ret_error(code, fmt, arg) if (errret) {\ 1929 *errret = code;\ 1930 returnCode(ERR);\ 1931 } else {\ 1932 fprintf(stderr, fmt, arg);\ 1933 exit(EXIT_FAILURE);\ 1934 } 1935 1936 #define ret_error1(code, fmt, arg) ret_error(code, "'%s': " fmt, arg) 1937 1938 #define ret_error0(code, msg) if (errret) {\ 1939 *errret = code;\ 1940 returnCode(ERR);\ 1941 } else {\ 1942 fprintf(stderr, msg);\ 1943 exit(EXIT_FAILURE);\ 1944 } 1945 1946 /* lib_tstp.c */ 1947 #if USE_SIGWINCH 1948 extern NCURSES_EXPORT(int) _nc_handle_sigwinch(SCREEN *); 1949 #else 1950 #define _nc_handle_sigwinch(a) /* nothing */ 1951 #endif 1952 1953 /* lib_wacs.c */ 1954 #if USE_WIDEC_SUPPORT 1955 extern NCURSES_EXPORT(void) _nc_init_wacs(void); 1956 #endif 1957 1958 typedef struct { 1959 char *s_head; /* beginning of the string (may be null) */ 1960 char *s_tail; /* end of the string (may be null) */ 1961 size_t s_size; /* current remaining size available */ 1962 size_t s_init; /* total size available */ 1963 } string_desc; 1964 1965 /* strings.c */ 1966 extern NCURSES_EXPORT(string_desc *) _nc_str_init (string_desc *, char *, size_t); 1967 extern NCURSES_EXPORT(string_desc *) _nc_str_null (string_desc *, size_t); 1968 extern NCURSES_EXPORT(string_desc *) _nc_str_copy (string_desc *, string_desc *); 1969 extern NCURSES_EXPORT(bool) _nc_safe_strcat (string_desc *, const char *); 1970 extern NCURSES_EXPORT(bool) _nc_safe_strcpy (string_desc *, const char *); 1971 1972 #if !HAVE_STRSTR 1973 #define strstr _nc_strstr 1974 extern NCURSES_EXPORT(char *) _nc_strstr (const char *, const char *); 1975 #endif 1976 1977 /* safe_sprintf.c */ 1978 extern NCURSES_EXPORT(char *) _nc_printf_string (const char *, va_list); 1979 1980 /* tries.c */ 1981 extern NCURSES_EXPORT(int) _nc_add_to_try (TRIES **, const char *, unsigned); 1982 extern NCURSES_EXPORT(char *) _nc_expand_try (TRIES *, unsigned, int *, size_t); 1983 extern NCURSES_EXPORT(int) _nc_remove_key (TRIES **, unsigned); 1984 extern NCURSES_EXPORT(int) _nc_remove_string (TRIES **, const char *); 1985 1986 /* elsewhere ... */ 1987 extern NCURSES_EXPORT(ENTRY *) _nc_delink_entry (ENTRY *, TERMTYPE *); 1988 extern NCURSES_EXPORT(SCREEN *) _nc_screen_of (WINDOW *); 1989 extern NCURSES_EXPORT(TERMINAL*) _nc_get_cur_term (void); 1990 extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int); 1991 extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t); 1992 extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *); 1993 extern NCURSES_EXPORT(char *) _nc_tracechar (SCREEN *, int); 1994 extern NCURSES_EXPORT(char *) _nc_tracemouse (SCREEN *, MEVENT const *); 1995 extern NCURSES_EXPORT(int) _nc_access (const char *, int); 1996 extern NCURSES_EXPORT(int) _nc_baudrate (int); 1997 extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *); 1998 extern NCURSES_EXPORT(int) _nc_getenv_num (const char *); 1999 extern NCURSES_EXPORT(int) _nc_keypad (SCREEN *, int); 2000 extern NCURSES_EXPORT(int) _nc_ospeed (int); 2001 extern NCURSES_EXPORT(int) _nc_outch (int); 2002 extern NCURSES_EXPORT(int) _nc_putchar (int); 2003 extern NCURSES_EXPORT(int) _nc_putp(const char *, const char *); 2004 extern NCURSES_EXPORT(int) _nc_putp_flush(const char *, const char *); 2005 extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const); 2006 extern NCURSES_EXPORT(int) _nc_setup_tinfo(const char *, TERMTYPE *); 2007 extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, int, int); 2008 extern NCURSES_EXPORT(int) _nc_timed_wait (SCREEN *, int, int, int * EVENTLIST_2nd(_nc_eventlist *)); 2009 extern NCURSES_EXPORT(void) _nc_do_color (int, int, int, NCURSES_OUTC); 2010 extern NCURSES_EXPORT(void) _nc_flush (void); 2011 extern NCURSES_EXPORT(void) _nc_free_and_exit (int) GCC_NORETURN; 2012 extern NCURSES_EXPORT(void) _nc_free_entry (ENTRY *, TERMTYPE *); 2013 extern NCURSES_EXPORT(void) _nc_freeall (void); 2014 extern NCURSES_EXPORT(void) _nc_hash_map (void); 2015 extern NCURSES_EXPORT(void) _nc_init_keytry (SCREEN *); 2016 extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *); 2017 extern NCURSES_EXPORT(void) _nc_make_oldhash (int i); 2018 extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot); 2019 extern NCURSES_EXPORT(void) _nc_scroll_optimize (void); 2020 extern NCURSES_EXPORT(void) _nc_set_buffer (FILE *, int); 2021 extern NCURSES_EXPORT(void) _nc_setenv_num (const char *, int); 2022 extern NCURSES_EXPORT(void) _nc_signal_handler (int); 2023 extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *); 2024 extern NCURSES_EXPORT(void) _nc_trace_tries (TRIES *); 2025 2026 #if NO_LEAKS 2027 extern NCURSES_EXPORT(void) _nc_alloc_entry_leaks(void); 2028 extern NCURSES_EXPORT(void) _nc_captoinfo_leaks(void); 2029 extern NCURSES_EXPORT(void) _nc_codes_leaks(void); 2030 extern NCURSES_EXPORT(void) _nc_comp_captab_leaks(void); 2031 extern NCURSES_EXPORT(void) _nc_comp_error_leaks(void); 2032 extern NCURSES_EXPORT(void) _nc_comp_scan_leaks(void); 2033 extern NCURSES_EXPORT(void) _nc_db_iterator_leaks(void); 2034 extern NCURSES_EXPORT(void) _nc_keyname_leaks(void); 2035 extern NCURSES_EXPORT(void) _nc_names_leaks(void); 2036 extern NCURSES_EXPORT(void) _nc_tgetent_leaks(void); 2037 #endif 2038 2039 #if !(defined(USE_TERMLIB) || defined(USE_BUILD_CC)) 2040 extern NCURSES_EXPORT(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T); 2041 extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const NCURSES_CH_T); 2042 extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, int const, int const, NCURSES_CH_T); 2043 #endif 2044 2045 #if USE_WIDEC_SUPPORT 2046 extern NCURSES_EXPORT(int) _nc_insert_wch(WINDOW *, const cchar_t *); 2047 #endif 2048 2049 #if USE_WIDEC_SUPPORT && !(defined(USE_TERMLIB) || defined(USE_BUILD_CC)) 2050 extern NCURSES_EXPORT(size_t) _nc_wcrtomb (char *, wchar_t, mbstate_t *); 2051 #endif 2052 2053 #if USE_SIZECHANGE 2054 extern NCURSES_EXPORT(void) _nc_update_screensize (SCREEN *); 2055 #endif 2056 2057 #if HAVE_RESIZETERM 2058 extern NCURSES_EXPORT(void) _nc_resize_margins (WINDOW *); 2059 #else 2060 #define _nc_resize_margins(wp) /* nothing */ 2061 #endif 2062 2063 #ifdef NCURSES_WGETCH_EVENTS 2064 extern NCURSES_EXPORT(int) _nc_eventlist_timeout(_nc_eventlist *); 2065 #else 2066 #define wgetch_events(win, evl) wgetch(win) 2067 #define wgetnstr_events(win, str, maxlen, evl) wgetnstr(win, str, maxlen) 2068 #endif 2069 2070 /* 2071 * Wide-character macros to hide some platform-differences. 2072 */ 2073 #if USE_WIDEC_SUPPORT 2074 2075 #if defined(__MINGW32__) 2076 /* 2077 * MinGW has wide-character functions, but they do not work correctly. 2078 */ 2079 2080 extern int __MINGW_NOTHROW _nc_wctomb(char *, wchar_t); 2081 #define wctomb(s,wc) _nc_wctomb(s,wc) 2082 #define wcrtomb(s,wc,n) _nc_wctomb(s,wc) 2083 2084 extern int __MINGW_NOTHROW _nc_mbtowc(wchar_t *, const char *, size_t); 2085 #define mbtowc(pwc,s,n) _nc_mbtowc(pwc,s,n) 2086 2087 extern int __MINGW_NOTHROW _nc_mblen(const char *, size_t); 2088 #define mblen(s,n) _nc_mblen(s, n) 2089 2090 #endif /* __MINGW32__ */ 2091 2092 #if HAVE_MBTOWC && HAVE_MBLEN 2093 #define reset_mbytes(state) IGNORE_RC(mblen(NULL, (size_t) 0)), IGNORE_RC(mbtowc(NULL, NULL, (size_t) 0)) 2094 #define count_mbytes(buffer,length,state) mblen(buffer,length) 2095 #define check_mbytes(wch,buffer,length,state) \ 2096 (int) mbtowc(&wch, buffer, length) 2097 #define state_unused 2098 #elif HAVE_MBRTOWC && HAVE_MBRLEN 2099 #define reset_mbytes(state) init_mb(state) 2100 #define count_mbytes(buffer,length,state) mbrlen(buffer,length,&state) 2101 #define check_mbytes(wch,buffer,length,state) \ 2102 (int) mbrtowc(&wch, buffer, length, &state) 2103 #else 2104 make an error 2105 #endif 2106 2107 #endif /* USE_WIDEC_SUPPORT */ 2108 2109 /* 2110 * Not everyone has vsscanf(), but we'd like to use it for scanw(). 2111 */ 2112 #if !HAVE_VSSCANF 2113 extern int vsscanf(const char *str, const char *format, va_list __arg); 2114 #endif 2115 2116 /* scroll indices */ 2117 extern NCURSES_EXPORT_VAR(int *) _nc_oldnums; 2118 2119 #define USE_SETBUF_0 0 2120 2121 #define NC_BUFFERED(sp,flag) NCURSES_SP_NAME(_nc_set_buffer)(NCURSES_SP_ARGx sp->_ofp, flag) 2122 2123 #define NC_OUTPUT(sp) ((sp != 0) ? sp->_ofp : stdout) 2124 2125 /* 2126 * On systems with a broken linker, define 'SP' as a function to force the 2127 * linker to pull in the data-only module with 'SP'. 2128 */ 2129 #define _nc_alloc_screen_sp() typeCalloc(SCREEN, 1) 2130 2131 #if BROKEN_LINKER 2132 #define SP _nc_screen() 2133 extern NCURSES_EXPORT(SCREEN *) _nc_screen (void); 2134 extern NCURSES_EXPORT(int) _nc_alloc_screen (void); 2135 extern NCURSES_EXPORT(void) _nc_set_screen (SCREEN *); 2136 #define CURRENT_SCREEN _nc_screen() 2137 #else 2138 /* current screen is private data; avoid possible linking conflicts too */ 2139 extern NCURSES_EXPORT_VAR(SCREEN *) SP; 2140 #define CURRENT_SCREEN SP 2141 #define _nc_alloc_screen() ((SP = _nc_alloc_screen_sp()) != 0) 2142 #define _nc_set_screen(sp) SP = sp 2143 #endif 2144 2145 #if NCURSES_SP_FUNCS 2146 #define CURRENT_SCREEN_PRE (IsPreScreen(CURRENT_SCREEN) ? CURRENT_SCREEN : new_prescr()) 2147 #else 2148 #define CURRENT_SCREEN_PRE CURRENT_SCREEN 2149 #endif 2150 2151 /* 2152 * We don't want to use the lines or columns capabilities internally, because 2153 * if the application is running multiple screens under X, it's quite possible 2154 * they could all have type xterm but have different sizes! So... 2155 */ 2156 #define screen_lines(sp) (sp)->_lines 2157 #define screen_columns(sp) (sp)->_columns 2158 2159 extern NCURSES_EXPORT(int) _nc_slk_initialize (WINDOW *, int); 2160 extern NCURSES_EXPORT(int) _nc_format_slks (NCURSES_SP_DCLx int _c); 2161 2162 /* 2163 * Some constants related to SLK's 2164 */ 2165 #define MAX_SKEY_OLD 8 /* count of soft keys */ 2166 #define MAX_SKEY_LEN_OLD 8 /* max length of soft key text */ 2167 #define MAX_SKEY_PC 12 /* This is what most PC's have */ 2168 #define MAX_SKEY_LEN_PC 5 2169 2170 /* Macro to check whether or not we use a standard format */ 2171 #define SLK_STDFMT(fmt) (fmt < 3) 2172 /* Macro to determine height of label window */ 2173 #define SLK_LINES(fmt) (SLK_STDFMT(fmt) ? 1 : ((fmt) - 2)) 2174 2175 #define MAX_SKEY(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_OLD : MAX_SKEY_PC) 2176 #define MAX_SKEY_LEN(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC) 2177 2178 /* 2179 * Common error messages 2180 */ 2181 #define MSG_NO_MEMORY "Out of memory" 2182 #define MSG_NO_INPUTS "Premature EOF" 2183 2184 extern NCURSES_EXPORT(int) _nc_set_tty_mode(TTY *); 2185 extern NCURSES_EXPORT(int) _nc_get_tty_mode(TTY *); 2186 2187 /* timed_wait flag definitions */ 2188 #define TW_NONE 0 2189 #define TW_INPUT 1 2190 #define TW_MOUSE 2 2191 #define TW_ANY (TW_INPUT | TW_MOUSE) 2192 #define TW_EVENT 4 2193 2194 #define SetSafeOutcWrapper(outc) \ 2195 SCREEN* sp = CURRENT_SCREEN; \ 2196 struct screen outc_wrapper; \ 2197 if (sp==0) { \ 2198 sp = &outc_wrapper; \ 2199 memset(sp,0,sizeof(struct screen)); \ 2200 sp->_outch = _nc_outc_wrapper; \ 2201 }\ 2202 sp->jump = outc 2203 2204 #ifdef USE_TERM_DRIVER 2205 typedef void* TERM_HANDLE; 2206 2207 typedef struct _termInfo 2208 { 2209 bool caninit; 2210 2211 bool hascolor; 2212 bool initcolor; 2213 bool canchange; 2214 2215 int tabsize; 2216 2217 int maxcolors; 2218 int maxpairs; 2219 int nocolorvideo; 2220 2221 int numbuttons; 2222 int numlabels; 2223 int labelwidth; 2224 int labelheight; 2225 2226 const color_t* defaultPalette; 2227 } TerminalInfo; 2228 2229 typedef struct term_driver { 2230 bool isTerminfo; 2231 bool (*CanHandle)(struct DriverTCB*, const char*, int*); 2232 void (*init)(struct DriverTCB*); 2233 void (*release)(struct DriverTCB*); 2234 int (*size)(struct DriverTCB*, int* Line, int *Cols); 2235 int (*sgmode)(struct DriverTCB*, int setFlag, TTY*); 2236 chtype (*conattr)(struct DriverTCB*); 2237 int (*hwcur)(struct DriverTCB*, int yold, int xold, int y, int x); 2238 int (*mode)(struct DriverTCB*, int progFlag, int defFlag); 2239 bool (*rescol)(struct DriverTCB*); 2240 bool (*rescolors)(struct DriverTCB*); 2241 void (*color)(struct DriverTCB*, int fore, int color, int(*)(SCREEN*, int)); 2242 int (*doBeepOrFlash)(struct DriverTCB*, int); 2243 void (*initpair)(struct DriverTCB*, int, int, int); 2244 void (*initcolor)(struct DriverTCB*, int, int, int, int); 2245 void (*docolor)(struct DriverTCB*, int, int, int, int(*)(SCREEN*, int)); 2246 void (*initmouse)(struct DriverTCB*); 2247 int (*testmouse)(struct DriverTCB*, int EVENTLIST_2nd(_nc_eventlist*)); 2248 void (*setfilter)(struct DriverTCB*); 2249 void (*hwlabel)(struct DriverTCB*, int, char*); 2250 void (*hwlabelOnOff)(struct DriverTCB*, int); 2251 int (*update)(struct DriverTCB*); 2252 int (*defaultcolors)(struct DriverTCB*, int, int); 2253 int (*print)(struct DriverTCB*, char*, int); 2254 int (*getsize)(struct DriverTCB*, int*, int*); 2255 int (*setsize)(struct DriverTCB*, int, int); 2256 void (*initacs)(struct DriverTCB*, chtype*, chtype*); 2257 void (*scinit)(SCREEN *); 2258 void (*scexit)(SCREEN *); 2259 int (*twait)(struct DriverTCB*, int, int, int* EVENTLIST_2nd(_nc_eventlist*)); 2260 int (*read)(struct DriverTCB*, int*); 2261 int (*nap)(struct DriverTCB*, int); 2262 int (*kpad)(struct DriverTCB*, int); 2263 int (*kyOk)(struct DriverTCB*, int, int); 2264 bool (*kyExist)(struct DriverTCB*, int); 2265 } TERM_DRIVER; 2266 2267 typedef struct DriverTCB 2268 { 2269 TERMINAL term; /* needs to be the first Element !!! */ 2270 TERM_HANDLE inp; /* The input handle of the Terminal */ 2271 TERM_HANDLE out; /* The output handle of the Terminal in shell mode */ 2272 TERM_HANDLE hdl; /* The output handle of the Terminal in prog mode */ 2273 TERM_DRIVER* drv; /* The driver for that Terminal */ 2274 SCREEN* csp; /* The screen that owns that Terminal */ 2275 TerminalInfo info; /* Driver independent core capabilities of the Terminal */ 2276 void* prop; /* Driver dependent property storage to be used by the Driver */ 2277 long magic; 2278 } TERMINAL_CONTROL_BLOCK; 2279 2280 #define NCDRV_MAGIC(id) (0x47110000 | (id&0xffff)) 2281 #define NCDRV_TINFO 0x01 2282 #define NCDRV_WINCONSOLE 0x02 2283 2284 #define TCBOf(sp) ((TERMINAL_CONTROL_BLOCK*)(TerminalOf(sp))) 2285 #define InfoOf(sp) TCBOf(sp)->info 2286 #define CallDriver(sp,method) TCBOf(sp)->drv->method(TCBOf(sp)) 2287 #define CallDriver_1(sp,method,arg1) TCBOf(sp)->drv->method(TCBOf(sp),arg1) 2288 #define CallDriver_2(sp,method,arg1,arg2) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2) 2289 #define CallDriver_3(sp,method,arg1,arg2,arg3) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2,arg3) 2290 #define CallDriver_4(sp,method,arg1,arg2,arg3,arg4) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2,arg3,arg4) 2291 2292 extern NCURSES_EXPORT_VAR(const color_t*) _nc_cga_palette; 2293 extern NCURSES_EXPORT_VAR(const color_t*) _nc_hls_palette; 2294 2295 extern NCURSES_EXPORT(int) _nc_get_driver(TERMINAL_CONTROL_BLOCK*, const char*, int*); 2296 extern NCURSES_EXPORT(void) _nc_get_screensize_ex(SCREEN *, TERMINAL *, int *, int *); 2297 #endif /* USE_TERM_DRIVER */ 2298 2299 /* 2300 * Entrypoints which are actually provided in the terminal driver, which would 2301 * be an sp-name otherwise. 2302 */ 2303 #ifdef USE_TERM_DRIVER 2304 #define TINFO_HAS_KEY _nc_tinfo_has_key 2305 #define TINFO_DOUPDATE _nc_tinfo_doupdate 2306 #define TINFO_MVCUR _nc_tinfo_mvcur 2307 extern NCURSES_EXPORT(int) TINFO_HAS_KEY(SCREEN*, int); 2308 extern NCURSES_EXPORT(int) TINFO_DOUPDATE(SCREEN *); 2309 extern NCURSES_EXPORT(int) TINFO_MVCUR(SCREEN*, int, int, int, int); 2310 #else 2311 #define TINFO_HAS_KEY NCURSES_SP_NAME(has_key) 2312 #define TINFO_DOUPDATE NCURSES_SP_NAME(doupdate) 2313 #define TINFO_MVCUR NCURSES_SP_NAME(_nc_mvcur) 2314 #endif 2315 2316 /* 2317 * Entrypoints using an extra parameter with the terminal driver. 2318 */ 2319 #ifdef USE_TERM_DRIVER 2320 extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, TERMINAL *, int *, int *); 2321 extern NCURSES_EXPORT(int) _nc_setupterm_ex(TERMINAL **, NCURSES_CONST char *, int , int *, int); 2322 #define TINFO_GET_SIZE(sp, tp, lp, cp) \ 2323 _nc_get_screensize(sp, tp, lp, cp) 2324 #define TINFO_SET_CURTERM(sp, tp) \ 2325 NCURSES_SP_NAME(set_curterm)(sp, tp) 2326 #define TINFO_SETUP_TERM(tpp, name, fd, err, reuse) \ 2327 _nc_setupterm_ex(tpp, name, fd, err, reuse) 2328 #else /* !USE_TERM_DRIVER */ 2329 extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, int *, int *); 2330 #define TINFO_GET_SIZE(sp, tp, lp, cp) \ 2331 _nc_get_screensize(sp, lp, cp) 2332 #define TINFO_SET_CURTERM(sp, tp) \ 2333 set_curterm(tp) 2334 #define TINFO_SETUP_TERM(tpp, name, fd, err, reuse) \ 2335 _nc_setupterm(name, fd, err, reuse) 2336 #endif /* !USE_TERM_DRIVER */ 2337 2338 #ifdef USE_TERM_DRIVER 2339 #ifdef __MINGW32__ 2340 #include <nc_mingw.h> 2341 extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_WIN_DRIVER; 2342 #endif 2343 extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_TINFO_DRIVER; 2344 #endif 2345 2346 #ifdef USE_TERM_DRIVER 2347 #define IsTermInfo(sp) ((TCBOf(sp) != 0) && ((TCBOf(sp)->drv->isTerminfo))) 2348 #define HasTInfoTerminal(sp) ((0 != TerminalOf(sp)) && IsTermInfo(sp)) 2349 #else 2350 #define IsTermInfo(sp) TRUE 2351 #define HasTInfoTerminal(sp) (0 != TerminalOf(sp)) 2352 #endif 2353 2354 #define IsValidTIScreen(sp) (HasTInfoTerminal(sp)) 2355 2356 /* 2357 * Exported entrypoints beyond the published API 2358 */ 2359 #if NCURSES_SP_FUNCS 2360 extern NCURSES_EXPORT(WINDOW *) _nc_curscr_of(SCREEN*); 2361 extern NCURSES_EXPORT(WINDOW *) _nc_newscr_of(SCREEN*); 2362 extern NCURSES_EXPORT(WINDOW *) _nc_stdscr_of(SCREEN*); 2363 extern NCURSES_EXPORT(int) _nc_outc_wrapper(SCREEN*,int); 2364 2365 #if USE_REENTRANT 2366 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_TABSIZE)(SCREEN*); 2367 extern NCURSES_EXPORT(char *) NCURSES_SP_NAME(longname)(SCREEN*); 2368 #endif 2369 2370 #if NCURSES_EXT_FUNCS 2371 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_set_tabsize)(SCREEN*, int); 2372 #endif 2373 2374 /* 2375 * We put the safe versions of various calls here as they are not published 2376 * part of the API up to now 2377 */ 2378 extern NCURSES_EXPORT(TERMINAL*) NCURSES_SP_NAME(_nc_get_cur_term) (SCREEN *sp); 2379 extern NCURSES_EXPORT(WINDOW *) NCURSES_SP_NAME(_nc_makenew) (SCREEN*, int, int, int, int, int); 2380 extern NCURSES_EXPORT(bool) NCURSES_SP_NAME(_nc_reset_colors)(SCREEN*); 2381 extern NCURSES_EXPORT(char *) NCURSES_SP_NAME(_nc_printf_string)(SCREEN*, const char *, va_list); 2382 extern NCURSES_EXPORT(chtype) NCURSES_SP_NAME(_nc_acs_char)(SCREEN*,int); 2383 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_curs_set)(SCREEN*,int); 2384 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_get_tty_mode)(SCREEN*,TTY*); 2385 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_mcprint)(SCREEN*,char*, int); 2386 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_msec_cost)(SCREEN*, const char *, int); 2387 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_mvcur)(SCREEN*, int, int, int, int); 2388 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_outch)(SCREEN*, int); 2389 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putchar)(SCREEN*, int); 2390 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putp)(SCREEN*, const char *, const char*); 2391 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putp_flush)(SCREEN*, const char *, const char *); 2392 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_resetty)(SCREEN*); 2393 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_resize_term)(SCREEN*,int,int); 2394 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_ripoffline)(SCREEN*, int, int (*)(WINDOW *,int)); 2395 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_savetty)(SCREEN*); 2396 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scr_init)(SCREEN*,const char*); 2397 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scr_restore)(SCREEN*, const char*); 2398 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scrolln)(SCREEN*, int, int, int, int); 2399 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_set_tty_mode)(SCREEN*, TTY*); 2400 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_setupscreen)(SCREEN**, int, int, FILE *, int, int); 2401 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_tgetent)(SCREEN*,char*,const char *); 2402 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_tigetnum)(SCREEN*,NCURSES_CONST char*); 2403 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_vid_attr)(SCREEN *, attr_t, NCURSES_COLOR_T, void *); 2404 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_vidputs)(SCREEN*,chtype,int(*) (SCREEN*, int)); 2405 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_do_color)(SCREEN*, int, int, int, NCURSES_SP_OUTC); 2406 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_do_xmc_glitch)(SCREEN*, attr_t); 2407 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_flush)(SCREEN*); 2408 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_free_and_exit)(SCREEN*, int) GCC_NORETURN; 2409 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_freeall)(SCREEN*); 2410 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_hash_map)(SCREEN*); 2411 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_init_acs)(SCREEN*); 2412 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_make_oldhash)(SCREEN*, int i); 2413 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_init)(SCREEN*); 2414 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_resume)(SCREEN*); 2415 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_wrap)(SCREEN*); 2416 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_init)(SCREEN*); 2417 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_resume)(SCREEN*); 2418 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_wrap)(SCREEN*); 2419 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_scroll_oldhash)(SCREEN*, int n, int top, int bot); 2420 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_scroll_optimize)(SCREEN*); 2421 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_set_buffer)(SCREEN*, FILE *, int); 2422 2423 extern NCURSES_EXPORT(void) _nc_cookie_init(SCREEN *sp); 2424 2425 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG) 2426 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_linedump)(SCREEN*); 2427 #endif 2428 2429 #if USE_WIDEC_SUPPORT 2430 extern NCURSES_EXPORT(wchar_t *) NCURSES_SP_NAME(_nc_wunctrl)(SCREEN*, cchar_t *); 2431 #endif 2432 2433 #endif /* NCURSES_SP_FUNCS */ 2434 2435 #if NCURSES_SP_FUNCS 2436 2437 #define safe_keyname NCURSES_SP_NAME(keyname) 2438 #define safe_unctrl NCURSES_SP_NAME(unctrl) 2439 #define safe_ungetch NCURSES_SP_NAME(ungetch) 2440 2441 #else 2442 2443 #define safe_keyname _nc_keyname 2444 #define safe_unctrl _nc_unctrl 2445 #define safe_ungetch _nc_ungetch 2446 2447 extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_keyname (SCREEN *, int); 2448 extern NCURSES_EXPORT(int) _nc_ungetch (SCREEN *, int); 2449 extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_unctrl (SCREEN *, chtype); 2450 2451 #endif 2452 2453 #ifdef __cplusplus 2454 } 2455 #endif 2456 2457 /* *INDENT-ON* */ 2458 2459 #endif /* CURSES_PRIV_H */ 2460