1 /**************************************************************************** 2 * Copyright (c) 1998-2015,2016 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 1.552 2016/02/13 16:37:24 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 * When building in the MSYS2 environment, the automatic discovery of 184 * the path separator in configure doesn't work properly. So, if building 185 * for MinGW, we enforce the correct Windows PATH separator 186 */ 187 #ifdef __MINGW32__ 188 # ifdef NCURSES_PATHSEP 189 # undef NCURSES_PATHSEP 190 # endif 191 # define NCURSES_PATHSEP ';' 192 #endif 193 194 /* 195 * If desired, one can configure this, disabling environment variables that 196 * point to custom terminfo/termcap locations. 197 */ 198 #ifdef USE_ROOT_ENVIRON 199 #define use_terminfo_vars() 1 200 #else 201 #define use_terminfo_vars() _nc_env_access() 202 extern NCURSES_EXPORT(int) _nc_env_access (void); 203 #endif 204 205 /* 206 * Not all platforms have memmove; some have an equivalent bcopy. (Some may 207 * have neither). 208 */ 209 #if USE_OK_BCOPY 210 #define memmove(d,s,n) bcopy(s,d,n) 211 #elif USE_MY_MEMMOVE 212 #define memmove(d,s,n) _nc_memmove(d,s,n) 213 extern NCURSES_EXPORT(void *) _nc_memmove (void *, const void *, size_t); 214 #endif 215 216 /* 217 * If we have va_copy(), use it for assigning va_list's. 218 */ 219 #if defined(HAVE___VA_COPY) 220 #define begin_va_copy(dst,src) __va_copy(dst, src) 221 #define end_va_copy(dst) va_end(dst) 222 #elif defined(va_copy) || defined(HAVE_VA_COPY) 223 #define begin_va_copy(dst,src) va_copy(dst, src) 224 #define end_va_copy(dst) va_end(dst) 225 #else 226 #define begin_va_copy(dst,src) (dst) = (src) 227 #define end_va_copy(dst) /* nothing */ 228 #endif 229 230 /* 231 * Either/both S_ISxxx and/or S_IFxxx are defined in sys/types.h; some systems 232 * lack one or the other. 233 */ 234 #ifndef S_ISDIR 235 #define S_ISDIR(mode) ((mode & S_IFMT) == S_IFDIR) 236 #endif 237 238 #ifndef S_ISREG 239 #define S_ISREG(mode) ((mode & S_IFMT) == S_IFREG) 240 #endif 241 242 /* 243 * Scroll hints are useless when hashmap is used 244 */ 245 #if !USE_SCROLL_HINTS 246 #if !USE_HASHMAP 247 #define USE_SCROLL_HINTS 1 248 #else 249 #define USE_SCROLL_HINTS 0 250 #endif 251 #endif 252 253 #if USE_SCROLL_HINTS 254 #define if_USE_SCROLL_HINTS(stmt) stmt 255 #else 256 #define if_USE_SCROLL_HINTS(stmt) /*nothing*/ 257 #endif 258 259 #include <nc_string.h> 260 261 /* 262 * Options for terminal drivers, etc... 263 */ 264 #ifdef USE_TERM_DRIVER 265 #define USE_SP_RIPOFF 1 266 #define USE_SP_TERMTYPE 1 267 #define USE_SP_WINDOWLIST 1 268 #endif 269 270 /* 271 * Note: ht/cbt expansion flakes out randomly under Linux 1.1.47, but only 272 * when we're throwing control codes at the screen at high volume. To see 273 * this, re-enable USE_HARD_TABS and run worm for a while. Other systems 274 * probably don't want to define this either due to uncertainties about tab 275 * delays and expansion in raw mode. 276 */ 277 278 #define TRIES struct tries 279 typedef TRIES { 280 TRIES *child; /* ptr to child. NULL if none */ 281 TRIES *sibling; /* ptr to sibling. NULL if none */ 282 unsigned char ch; /* character at this node */ 283 unsigned short value; /* code of string so far. 0 if none. */ 284 #undef TRIES 285 } TRIES; 286 287 /* 288 * Common/troublesome character definitions 289 */ 290 #define StringOf(ch) {ch, 0} 291 292 #define L_BRACE '{' 293 #define R_BRACE '}' 294 #define S_QUOTE '\'' 295 #define D_QUOTE '"' 296 297 #define VT_ACSC "``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~" 298 299 /* 300 * Structure for palette tables 301 */ 302 303 #define MAXCOLUMNS 135 304 #define MAXLINES 66 305 #define FIFO_SIZE MAXCOLUMNS+2 /* for nocbreak mode input */ 306 307 #define ACS_LEN 128 308 309 #define WINDOWLIST struct _win_list 310 311 #if USE_WIDEC_SUPPORT 312 #define _nc_bkgd _bkgrnd 313 #else 314 #undef _XOPEN_SOURCE_EXTENDED 315 #undef _XPG5 316 #define _nc_bkgd _bkgd 317 #define wgetbkgrnd(win, wch) ((*wch = win->_bkgd) != 0 ? OK : ERR) 318 #define wbkgrnd wbkgd 319 #endif 320 321 #undef NCURSES_OPAQUE 322 #define NCURSES_INTERNALS 1 323 #define NCURSES_OPAQUE 0 324 325 #include <curses.h> /* we'll use -Ipath directive to get the right one! */ 326 327 typedef struct 328 { 329 NCURSES_COLOR_T red, green, blue; /* what color_content() returns */ 330 NCURSES_COLOR_T r, g, b; /* params to init_color() */ 331 int init; /* true if we called init_color() */ 332 } 333 color_t; 334 335 /* 336 * If curses.h did not expose the SCREEN-functions, then we do not need the 337 * parameter in the corresponding unextended functions. 338 */ 339 340 #define USE_SP_FUNC_SUPPORT NCURSES_SP_FUNCS 341 #define USE_EXT_SP_FUNC_SUPPORT (NCURSES_SP_FUNCS && NCURSES_EXT_FUNCS) 342 343 #if NCURSES_SP_FUNCS 344 #define SP_PARM sp /* use parameter */ 345 #define NCURSES_SP_ARG SP_PARM 346 #define NCURSES_SP_DCL SCREEN *NCURSES_SP_ARG 347 #define NCURSES_SP_DCL0 NCURSES_SP_DCL 348 #define NCURSES_SP_ARGx NCURSES_SP_ARG, 349 #define NCURSES_SP_DCLx SCREEN *NCURSES_SP_ARGx 350 #else 351 #define SP_PARM SP /* use global variable */ 352 #define NCURSES_SP_ARG 353 #define NCURSES_SP_DCL 354 #define NCURSES_SP_DCL0 void 355 #define NCURSES_SP_ARGx 356 #define NCURSES_SP_DCLx 357 #endif 358 359 #include <nc_panel.h> 360 361 #define IsPreScreen(sp) (((sp) != 0) && sp->_prescreen) 362 #define HasTerminal(sp) (((sp) != 0) && (0 != ((sp)->_term))) 363 #define IsValidScreen(sp) (HasTerminal(sp) && !IsPreScreen(sp)) 364 365 #if USE_REENTRANT 366 #define CurTerm _nc_prescreen._cur_term 367 #else 368 #define CurTerm cur_term 369 #endif 370 371 #if NCURSES_SP_FUNCS 372 #define TerminalOf(sp) ((sp) ? ((sp)->_term ? (sp)->_term : CurTerm) : CurTerm) 373 #else 374 #define TerminalOf(sp) CurTerm 375 #endif 376 377 #include <term.h> 378 #include <nc_termios.h> 379 380 /* 381 * Reduce dependency on cur_term global by using terminfo data from SCREEN's 382 * pointer to this data. 383 */ 384 #ifdef USE_SP_TERMTYPE 385 #undef CUR 386 #endif 387 388 #define SP_TERMTYPE TerminalOf(sp)->type. 389 390 #include <term_entry.h> 391 392 #include <nc_tparm.h> 393 394 /* 395 * Simplify ifdef's for the "*_ATTR" macros in case italics are not configured. 396 */ 397 #ifdef A_ITALIC 398 #define USE_ITALIC 1 399 #else 400 #define USE_ITALIC 0 401 #define A_ITALIC 0 402 #endif 403 404 /* 405 * Use these macros internally, to make tracing less verbose. But leave the 406 * option for compiling the tracing into the library. 407 */ 408 #if 1 409 #define ColorPair(n) NCURSES_BITS(n, 0) 410 #define PairNumber(a) (NCURSES_CAST(int,(((unsigned long)(a) & A_COLOR) >> NCURSES_ATTR_SHIFT))) 411 #else 412 #define ColorPair(pair) COLOR_PAIR(pair) 413 #define PairNumber(attr) PAIR_NUMBER(attr) 414 #endif 415 416 #define unColor(n) unColor2(AttrOf(n)) 417 #define unColor2(a) ((a) & ALL_BUT_COLOR) 418 419 /* 420 * Extended-colors stores the color pair in a separate struct-member than the 421 * attributes. But for compatibility, we handle most cases where a program 422 * written for non-extended colors stores the color in the attributes by 423 * checking for a color pair in both places. 424 */ 425 #if NCURSES_EXT_COLORS 426 #define if_EXT_COLORS(stmt) stmt 427 #define SetPair(value,p) SetPair2((value).ext_color, AttrOf(value), p) 428 #define SetPair2(c,a,p) c = (p), \ 429 a = (unColor2(a) | (A_COLOR & (unsigned) ColorPair(oldColor(c)))) 430 #define GetPair(value) GetPair2((value).ext_color, AttrOf(value)) 431 #define GetPair2(c,a) ((c) ? (c) : PairNumber(a)) 432 #define oldColor(p) (((p) > 255) ? 255 : (p)) 433 #define GET_WINDOW_PAIR(w) GetPair2((w)->_color, (w)->_attrs) 434 #define SET_WINDOW_PAIR(w,p) (w)->_color = (p) 435 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b) && GetPair(a) == GetPair(b)) 436 437 #define VIDATTR(sp,attr,pair) NCURSES_SP_NAME(vid_puts)(NCURSES_SP_ARGx attr, (short) pair, 0, NCURSES_OUTC_FUNC) 438 439 #else /* !NCURSES_EXT_COLORS */ 440 441 #define if_EXT_COLORS(stmt) /* nothing */ 442 #define SetPair(value,p) RemAttr(value, A_COLOR), \ 443 SetAttr(value, AttrOf(value) | (A_COLOR & (attr_t) ColorPair(p))) 444 #define GetPair(value) PairNumber(AttrOf(value)) 445 #define GET_WINDOW_PAIR(w) PairNumber(WINDOW_ATTRS(w)) 446 #define SET_WINDOW_PAIR(w,p) WINDOW_ATTRS(w) &= ALL_BUT_COLOR, \ 447 WINDOW_ATTRS(w) |= (A_COLOR & (attr_t) ColorPair(p)) 448 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b)) 449 450 #define VIDATTR(sp,attr,pair) NCURSES_SP_NAME(vidputs)(NCURSES_SP_ARGx attr, NCURSES_OUTC_FUNC) 451 452 #endif /* NCURSES_EXT_COLORS */ 453 454 #define NCURSES_OUTC_FUNC NCURSES_SP_NAME(_nc_outch) 455 #define NCURSES_PUTP2(name,value) NCURSES_SP_NAME(_nc_putp)(NCURSES_SP_ARGx name, value) 456 #define NCURSES_PUTP2_FLUSH(name,value) NCURSES_SP_NAME(_nc_putp_flush)(NCURSES_SP_ARGx name, value) 457 458 #if NCURSES_NO_PADDING 459 #define GetNoPadding(sp) ((sp) ? (sp)->_no_padding : _nc_prescreen._no_padding) 460 #define SetNoPadding(sp) _nc_set_no_padding(sp) 461 extern NCURSES_EXPORT(void) _nc_set_no_padding(SCREEN *); 462 #else 463 #define GetNoPadding(sp) FALSE 464 #define SetNoPadding(sp) /*nothing*/ 465 #endif 466 467 #define WINDOW_ATTRS(w) ((w)->_attrs) 468 469 #define SCREEN_ATTRS(s) (*((s)->_current_attr)) 470 #define GET_SCREEN_PAIR(s) GetPair(SCREEN_ATTRS(s)) 471 #define SET_SCREEN_PAIR(s,p) SetPair(SCREEN_ATTRS(s), p) 472 473 #if USE_REENTRANT || NCURSES_SP_FUNCS 474 NCURSES_EXPORT(int *) _nc_ptr_Lines (SCREEN *); 475 NCURSES_EXPORT(int *) _nc_ptr_Cols (SCREEN *); 476 NCURSES_EXPORT(int *) _nc_ptr_Tabsize (SCREEN *); 477 NCURSES_EXPORT(int *) _nc_ptr_Escdelay (SCREEN *); 478 #endif 479 480 #if USE_REENTRANT 481 482 #define ptrLines(sp) (sp ? &(sp->_LINES) : &(_nc_prescreen._LINES)) 483 #define ptrCols(sp) (sp ? &(sp->_COLS) : &(_nc_prescreen._COLS)) 484 #define ptrTabsize(sp) (sp ? &(sp->_TABSIZE) : &(_nc_prescreen._TABSIZE)) 485 #define ptrEscdelay(sp) (sp ? &(sp->_ESCDELAY) : &(_nc_prescreen._ESCDELAY)) 486 487 #define SET_LINES(value) *_nc_ptr_Lines(SP_PARM) = value 488 #define SET_COLS(value) *_nc_ptr_Cols(SP_PARM) = value 489 #define SET_TABSIZE(value) *_nc_ptr_Tabsize(SP_PARM) = value 490 #define SET_ESCDELAY(value) *_nc_ptr_Escdelay(SP_PARM) = value 491 492 #else 493 494 #define ptrLines(sp) &LINES 495 #define ptrCols(sp) &COLS 496 #define ptrTabsize(sp) &TABSIZE 497 #define ptrEscdelay(sp) &ESCDELAY 498 499 #define SET_LINES(value) LINES = value 500 #define SET_COLS(value) COLS = value 501 #define SET_TABSIZE(value) TABSIZE = value 502 #define SET_ESCDELAY(value) ESCDELAY = value 503 504 #endif 505 506 #define TR_MUTEX(data) _tracef("%s@%d: me:%08lX COUNT:%2u/%2d/%6d/%2d/%s%9u: " #data, \ 507 __FILE__, __LINE__, \ 508 (unsigned long) (pthread_self()), \ 509 data.__data.__lock, \ 510 data.__data.__count, \ 511 data.__data.__owner, \ 512 data.__data.__kind, \ 513 (data.__data.__nusers > 5) ? " OOPS " : "", \ 514 data.__data.__nusers) 515 #define TR_GLOBAL_MUTEX(name) TR_MUTEX(_nc_globals.mutex_##name) 516 517 #if USE_WEAK_SYMBOLS 518 #if defined(__GNUC__) 519 # if defined __USE_ISOC99 520 # define _cat_pragma(exp) _Pragma(#exp) 521 # define _weak_pragma(exp) _cat_pragma(weak name) 522 # else 523 # define _weak_pragma(exp) 524 # endif 525 # define _declare(name) __extension__ extern __typeof__(name) name 526 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak)) 527 #else 528 # undef USE_WEAK_SYMBOLS 529 # define USE_WEAK_SYMBOLS 0 530 #endif 531 #endif 532 533 #ifdef USE_PTHREADS 534 535 #if USE_REENTRANT 536 #include <pthread.h> 537 extern NCURSES_EXPORT(void) _nc_init_pthreads(void); 538 extern NCURSES_EXPORT(void) _nc_mutex_init(pthread_mutex_t *); 539 extern NCURSES_EXPORT(int) _nc_mutex_lock(pthread_mutex_t *); 540 extern NCURSES_EXPORT(int) _nc_mutex_trylock(pthread_mutex_t *); 541 extern NCURSES_EXPORT(int) _nc_mutex_unlock(pthread_mutex_t *); 542 #define _nc_lock_global(name) _nc_mutex_lock(&_nc_globals.mutex_##name) 543 #define _nc_try_global(name) _nc_mutex_trylock(&_nc_globals.mutex_##name) 544 #define _nc_unlock_global(name) _nc_mutex_unlock(&_nc_globals.mutex_##name) 545 546 #else 547 #error POSIX threads requires --enable-reentrant option 548 #endif 549 550 #ifdef USE_PTHREADS 551 # if USE_WEAK_SYMBOLS 552 weak_symbol(pthread_sigmask); 553 weak_symbol(pthread_kill); 554 weak_symbol(pthread_self); 555 weak_symbol(pthread_equal); 556 weak_symbol(pthread_mutex_init); 557 weak_symbol(pthread_mutex_lock); 558 weak_symbol(pthread_mutex_unlock); 559 weak_symbol(pthread_mutex_trylock); 560 weak_symbol(pthread_mutexattr_settype); 561 weak_symbol(pthread_mutexattr_init); 562 extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *); 563 # undef sigprocmask 564 # define sigprocmask _nc_sigprocmask 565 # endif 566 #endif 567 568 #if HAVE_NANOSLEEP 569 #undef HAVE_NANOSLEEP 570 #define HAVE_NANOSLEEP 0 /* nanosleep suspends all threads */ 571 #endif 572 573 #else /* !USE_PTHREADS */ 574 575 #if USE_PTHREADS_EINTR 576 # if USE_WEAK_SYMBOLS 577 #include <pthread.h> 578 weak_symbol(pthread_sigmask); 579 weak_symbol(pthread_kill); 580 weak_symbol(pthread_self); 581 weak_symbol(pthread_equal); 582 extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *); 583 # undef sigprocmask 584 # define sigprocmask _nc_sigprocmask 585 # endif 586 #endif /* USE_PTHREADS_EINTR */ 587 588 #define _nc_init_pthreads() /* nothing */ 589 #define _nc_mutex_init(obj) /* nothing */ 590 591 #define _nc_lock_global(name) /* nothing */ 592 #define _nc_try_global(name) 0 593 #define _nc_unlock_global(name) /* nothing */ 594 595 #endif /* USE_PTHREADS */ 596 597 /* 598 * When using sp-funcs, locks are targeted to SCREEN-level granularity. 599 * So the locking is done in the non-sp-func (which calls the sp-func) rather 600 * than in the sp-func itself. 601 * 602 * Use the _nc_nonsp_XXX functions in the function using "NCURSES_SP_NAME()". 603 * Use the _nc_sp_XXX functions in the function using "#if NCURSES_SP_FUNCS". 604 */ 605 #if NCURSES_SP_FUNCS 606 607 #define _nc_nonsp_lock_global(name) /* nothing */ 608 #define _nc_nonsp_try_global(name) 0 609 #define _nc_nonsp_unlock_global(name) /* nothing */ 610 611 #define _nc_sp_lock_global(name) _nc_lock_global(name) 612 #define _nc_sp_try_global(name) _nc_try_global(name) 613 #define _nc_sp_unlock_global(name) _nc_unlock_global(name) 614 615 #else 616 617 #define _nc_nonsp_lock_global(name) _nc_lock_global(name) 618 #define _nc_nonsp_try_global(name) _nc_try_global(name) 619 #define _nc_nonsp_unlock_global(name) _nc_unlock_global(name) 620 621 #define _nc_sp_lock_global(name) /* nothing */ 622 #define _nc_sp_try_global(name) 0 623 #define _nc_sp_unlock_global(name) /* nothing */ 624 625 #endif 626 627 #if HAVE_GETTIMEOFDAY 628 # define PRECISE_GETTIME 1 629 # define TimeType struct timeval 630 #else 631 # define PRECISE_GETTIME 0 632 # define TimeType time_t 633 #endif 634 635 /* 636 * Definitions for color pairs 637 */ 638 typedef unsigned colorpair_t; /* type big enough to store PAIR_OF() */ 639 #define C_SHIFT 9 /* we need more bits than there are colors */ 640 #define C_MASK ((1 << C_SHIFT) - 1) 641 #define PAIR_OF(fg, bg) (colorpair_t) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK)) 642 #define FORE_OF(c) (((c) >> C_SHIFT) & C_MASK) 643 #define BACK_OF(c) ((c) & C_MASK) 644 #define isDefaultColor(c) ((c) >= COLOR_DEFAULT || (c) < 0) 645 646 #define COLOR_DEFAULT C_MASK 647 648 #if defined(USE_BUILD_CC) || (defined(USE_TERMLIB) && !defined(NEED_NCURSES_CH_T)) 649 650 #undef NCURSES_CH_T /* this is not a termlib feature */ 651 #define NCURSES_CH_T void /* ...but we need a pointer in SCREEN */ 652 653 #endif /* USE_TERMLIB */ 654 655 #ifndef USE_TERMLIB 656 struct ldat 657 { 658 NCURSES_CH_T *text; /* text of the line */ 659 NCURSES_SIZE_T firstchar; /* first changed character in the line */ 660 NCURSES_SIZE_T lastchar; /* last changed character in the line */ 661 NCURSES_SIZE_T oldindex; /* index of the line at last update */ 662 }; 663 #endif /* USE_TERMLIB */ 664 665 typedef enum { 666 M_XTERM = -1 /* use xterm's mouse tracking? */ 667 ,M_NONE = 0 /* no mouse device */ 668 #if USE_GPM_SUPPORT 669 ,M_GPM /* use GPM */ 670 #endif 671 #if USE_SYSMOUSE 672 ,M_SYSMOUSE /* FreeBSD sysmouse on console */ 673 #endif 674 #ifdef USE_TERM_DRIVER 675 ,M_TERM_DRIVER /* Win32 console, etc */ 676 #endif 677 } MouseType; 678 679 typedef enum { 680 MF_X10 = 0 /* conventional 3-byte format */ 681 , MF_SGR1006 /* xterm private mode 1006, SGR-style */ 682 #ifdef EXP_XTERM_1005 683 , MF_XTERM_1005 /* xterm UTF-8 private mode 1005 */ 684 #endif 685 } MouseFormat; 686 687 /* 688 * Structures for scrolling. 689 */ 690 691 typedef struct { 692 unsigned long hashval; 693 int oldcount, newcount; 694 int oldindex, newindex; 695 } HASHMAP; 696 697 /* 698 * Structures for soft labels. 699 */ 700 701 struct _SLK; 702 703 #if !(defined(USE_TERMLIB) || defined(USE_BUILD_CC)) 704 705 typedef struct 706 { 707 char *ent_text; /* text for the label */ 708 char *form_text; /* formatted text (left/center/...) */ 709 int ent_x; /* x coordinate of this field */ 710 char dirty; /* this label has changed */ 711 char visible; /* field is visible */ 712 } slk_ent; 713 714 typedef struct _SLK { 715 bool dirty; /* all labels have changed */ 716 bool hidden; /* soft labels are hidden */ 717 WINDOW *win; 718 slk_ent *ent; 719 short maxlab; /* number of available labels */ 720 short labcnt; /* number of allocated labels */ 721 short maxlen; /* length of labels */ 722 NCURSES_CH_T attr; /* soft label attribute */ 723 } SLK; 724 725 #endif /* USE_TERMLIB */ 726 727 typedef struct { 728 WINDOW *win; /* the window used in the hook */ 729 int line; /* lines to take, < 0 => from bottom*/ 730 int (*hook)(WINDOW *, int); /* callback for user */ 731 } ripoff_t; 732 733 #if USE_GPM_SUPPORT 734 #undef buttons /* term.h defines this, and gpm uses it! */ 735 #include <gpm.h> 736 #if USE_WEAK_SYMBOLS 737 weak_symbol(Gpm_Wgetch); 738 #endif 739 740 #ifdef HAVE_LIBDL 741 /* link dynamically to GPM */ 742 typedef int *TYPE_gpm_fd; 743 typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int); 744 typedef int (*TYPE_Gpm_Close) (void); 745 typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *); 746 747 #define my_gpm_fd SP_PARM->_mouse_gpm_fd 748 #define my_Gpm_Open SP_PARM->_mouse_Gpm_Open 749 #define my_Gpm_Close SP_PARM->_mouse_Gpm_Close 750 #define my_Gpm_GetEvent SP_PARM->_mouse_Gpm_GetEvent 751 #else 752 /* link statically to GPM */ 753 #define my_gpm_fd &gpm_fd 754 #define my_Gpm_Open Gpm_Open 755 #define my_Gpm_Close Gpm_Close 756 #define my_Gpm_GetEvent Gpm_GetEvent 757 #endif /* HAVE_LIBDL */ 758 #endif /* USE_GPM_SUPPORT */ 759 760 typedef struct { 761 long sequence; 762 bool last_used; 763 char *fix_sgr0; /* this holds the filtered sgr0 string */ 764 char *last_bufp; /* help with fix_sgr0 leak */ 765 TERMINAL *last_term; 766 } TGETENT_CACHE; 767 768 #define TGETENT_MAX 4 769 770 /* 771 * State of tparm(). 772 */ 773 #define STACKSIZE 20 774 775 typedef struct { 776 union { 777 int num; 778 char *str; 779 } data; 780 bool num_type; 781 } STACK_FRAME; 782 783 #define NUM_VARS 26 784 785 typedef struct { 786 #ifdef TRACE 787 const char *tname; 788 #endif 789 const char *tparam_base; 790 791 STACK_FRAME stack[STACKSIZE]; 792 int stack_ptr; 793 794 char *out_buff; 795 size_t out_size; 796 size_t out_used; 797 798 char *fmt_buff; 799 size_t fmt_size; 800 801 int dynamic_var[NUM_VARS]; 802 int static_vars[NUM_VARS]; 803 } TPARM_STATE; 804 805 typedef struct { 806 char *text; 807 size_t size; 808 } TRACEBUF; 809 810 /* 811 * The filesystem database normally uses a single-letter for the lower level 812 * of directories. Use a hexadecimal code for filesystems which do not 813 * preserve mixed-case names. 814 */ 815 #if MIXEDCASE_FILENAMES 816 #define LEAF_FMT "%c" 817 #define LEAF_LEN 1 818 #else 819 #define LEAF_FMT "%02x" 820 #define LEAF_LEN 2 821 #endif 822 823 /* 824 * TRACEMSE_FMT is no longer than 80 columns, there are 5 numbers that 825 * could at most have 10 digits, and the mask contains no more than 32 bits 826 * with each bit representing less than 15 characters. Usually the whole 827 * string is less than 80 columns, but this buffer size is an absolute 828 * limit. 829 */ 830 #define TRACEMSE_MAX (80 + (5 * 10) + (32 * 15)) 831 #define TRACEMSE_FMT "id %2d at (%2d, %2d, %2d) state %4lx = {" /* } */ 832 833 #ifdef USE_TERM_DRIVER 834 struct DriverTCB; /* Terminal Control Block forward declaration */ 835 #define INIT_TERM_DRIVER() _nc_globals.term_driver = _nc_get_driver 836 #else 837 #define INIT_TERM_DRIVER() /* nothing */ 838 #endif 839 840 typedef struct { 841 const char *name; 842 char *value; 843 } ITERATOR_VARS; 844 845 /* 846 * Global data which is not specific to a screen. 847 */ 848 typedef struct { 849 SIG_ATOMIC_T have_sigtstp; 850 SIG_ATOMIC_T have_sigwinch; 851 SIG_ATOMIC_T cleanup_nested; 852 853 bool init_signals; 854 bool init_screen; 855 856 char *comp_sourcename; 857 char *comp_termtype; 858 859 bool have_tic_directory; 860 bool keep_tic_directory; 861 const char *tic_directory; 862 863 char *dbi_list; 864 int dbi_size; 865 866 char *first_name; 867 char **keyname_table; 868 int init_keyname; 869 870 int slk_format; 871 872 char *safeprint_buf; 873 size_t safeprint_used; 874 875 TGETENT_CACHE tgetent_cache[TGETENT_MAX]; 876 int tgetent_index; 877 long tgetent_sequence; 878 879 char *dbd_blob; /* string-heap for dbd_list[] */ 880 char **dbd_list; /* distinct places to look for data */ 881 int dbd_size; /* length of dbd_list[] */ 882 time_t dbd_time; /* cache last updated */ 883 ITERATOR_VARS dbd_vars[dbdLAST]; 884 885 #ifndef USE_SP_WINDOWLIST 886 WINDOWLIST *_nc_windowlist; 887 #define WindowList(sp) _nc_globals._nc_windowlist 888 #endif 889 890 #if USE_HOME_TERMINFO 891 char *home_terminfo; 892 #endif 893 894 #if !USE_SAFE_SPRINTF 895 int safeprint_cols; 896 int safeprint_rows; 897 #endif 898 899 #ifdef USE_TERM_DRIVER 900 int (*term_driver)(struct DriverTCB*, const char*, int*); 901 #endif 902 903 #ifdef TRACE 904 bool init_trace; 905 char trace_fname[PATH_MAX]; 906 int trace_level; 907 FILE *trace_fp; 908 909 char *tracearg_buf; 910 size_t tracearg_used; 911 912 TRACEBUF *tracebuf_ptr; 913 size_t tracebuf_used; 914 915 char tracechr_buf[40]; 916 917 char *tracedmp_buf; 918 size_t tracedmp_used; 919 920 unsigned char *tracetry_buf; 921 size_t tracetry_used; 922 923 char traceatr_color_buf[2][80]; 924 int traceatr_color_sel; 925 int traceatr_color_last; 926 #if !defined(USE_PTHREADS) && USE_REENTRANT 927 int nested_tracef; 928 #endif 929 #endif /* TRACE */ 930 931 #ifdef USE_PTHREADS 932 pthread_mutex_t mutex_curses; 933 pthread_mutex_t mutex_tst_tracef; 934 pthread_mutex_t mutex_tracef; 935 int nested_tracef; 936 int use_pthreads; 937 #define _nc_use_pthreads _nc_globals.use_pthreads 938 #endif 939 #if USE_PTHREADS_EINTR 940 pthread_t read_thread; /* The reading thread */ 941 #endif 942 } NCURSES_GLOBALS; 943 944 extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals; 945 946 #define N_RIPS 5 947 948 /* 949 * Global data which can be swept up into a SCREEN when one is created. 950 * It may be modified before the next SCREEN is created. 951 */ 952 typedef struct { 953 bool use_env; 954 bool filter_mode; 955 attr_t previous_attr; 956 #ifndef USE_SP_RIPOFF 957 ripoff_t rippedoff[N_RIPS]; 958 ripoff_t *rsp; 959 #endif 960 TPARM_STATE tparm_state; 961 TTY *saved_tty; /* savetty/resetty information */ 962 #if NCURSES_NO_PADDING 963 bool _no_padding; /* flag to set if padding disabled */ 964 #endif 965 NCURSES_SP_OUTC _outch; /* output handler if not putc */ 966 #if BROKEN_LINKER || USE_REENTRANT 967 chtype *real_acs_map; 968 int _LINES; 969 int _COLS; 970 int _TABSIZE; 971 int _ESCDELAY; 972 TERMINAL *_cur_term; 973 #ifdef TRACE 974 long _outchars; 975 const char *_tputs_trace; 976 #endif 977 #endif 978 bool use_tioctl; 979 } NCURSES_PRESCREEN; 980 981 /* 982 * Use screen-specific ripoff data (for softkeys) rather than global. 983 */ 984 #ifdef USE_SP_RIPOFF 985 #define safe_ripoff_sp (sp)->rsp 986 #define safe_ripoff_stack (sp)->rippedoff 987 #else 988 #define safe_ripoff_sp _nc_prescreen.rsp 989 #define safe_ripoff_stack _nc_prescreen.rippedoff 990 #endif 991 992 extern NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen; 993 994 /* 995 * The SCREEN structure. 996 */ 997 998 struct screen { 999 int _ifd; /* input file descriptor for screen */ 1000 int _ofd; /* output file descriptor for screen */ 1001 FILE *_ofp; /* output file ptr for screen */ 1002 char *out_buffer; /* output buffer */ 1003 size_t out_limit; /* output buffer size */ 1004 size_t out_inuse; /* output buffer current use */ 1005 bool _filtered; /* filter() was called */ 1006 bool _prescreen; /* is in prescreen phase */ 1007 bool _use_env; /* LINES & COLS from environment? */ 1008 int _checkfd; /* filedesc for typeahead check */ 1009 TERMINAL *_term; /* terminal type information */ 1010 TTY _saved_tty; /* savetty/resetty information */ 1011 NCURSES_SIZE_T _lines; /* screen lines */ 1012 NCURSES_SIZE_T _columns; /* screen columns */ 1013 1014 NCURSES_SIZE_T _lines_avail; /* lines available for stdscr */ 1015 NCURSES_SIZE_T _topstolen; /* lines stolen from top */ 1016 1017 WINDOW *_curscr; /* current screen */ 1018 WINDOW *_newscr; /* virtual screen to be updated to */ 1019 WINDOW *_stdscr; /* screen's full-window context */ 1020 1021 #define CurScreen(sp) (sp)->_curscr 1022 #define NewScreen(sp) (sp)->_newscr 1023 #define StdScreen(sp) (sp)->_stdscr 1024 1025 TRIES *_keytry; /* "Try" for use with keypad mode */ 1026 TRIES *_key_ok; /* Disabled keys via keyok(,FALSE) */ 1027 bool _tried; /* keypad mode was initialized */ 1028 bool _keypad_on; /* keypad mode is currently on */ 1029 1030 bool _called_wgetch; /* check for recursion in wgetch() */ 1031 int _fifo[FIFO_SIZE]; /* input push-back buffer */ 1032 short _fifohead, /* head of fifo queue */ 1033 _fifotail, /* tail of fifo queue */ 1034 _fifopeek, /* where to peek for next char */ 1035 _fifohold; /* set if breakout marked */ 1036 1037 int _endwin; /* are we out of window mode? */ 1038 NCURSES_CH_T *_current_attr; /* holds current attributes set */ 1039 int _coloron; /* is color enabled? */ 1040 int _color_defs; /* are colors modified */ 1041 int _cursor; /* visibility of the cursor */ 1042 int _cursrow; /* physical cursor row */ 1043 int _curscol; /* physical cursor column */ 1044 bool _notty; /* true if we cannot switch non-tty */ 1045 int _nl; /* True if NL -> CR/NL is on */ 1046 int _raw; /* True if in raw mode */ 1047 int _cbreak; /* 1 if in cbreak mode */ 1048 /* > 1 if in halfdelay mode */ 1049 int _echo; /* True if echo on */ 1050 int _use_meta; /* use the meta key? */ 1051 struct _SLK *_slk; /* ptr to soft key struct / NULL */ 1052 int slk_format; /* selected format for this screen */ 1053 /* cursor movement costs; units are 10ths of milliseconds */ 1054 #if NCURSES_NO_PADDING 1055 bool _no_padding; /* flag to set if padding disabled */ 1056 #endif 1057 int _char_padding; /* cost of character put */ 1058 int _cr_cost; /* cost of (carriage_return) */ 1059 int _cup_cost; /* cost of (cursor_address) */ 1060 int _home_cost; /* cost of (cursor_home) */ 1061 int _ll_cost; /* cost of (cursor_to_ll) */ 1062 #if USE_HARD_TABS 1063 int _ht_cost; /* cost of (tab) */ 1064 int _cbt_cost; /* cost of (backtab) */ 1065 #endif /* USE_HARD_TABS */ 1066 int _cub1_cost; /* cost of (cursor_left) */ 1067 int _cuf1_cost; /* cost of (cursor_right) */ 1068 int _cud1_cost; /* cost of (cursor_down) */ 1069 int _cuu1_cost; /* cost of (cursor_up) */ 1070 int _cub_cost; /* cost of (parm_cursor_left) */ 1071 int _cuf_cost; /* cost of (parm_cursor_right) */ 1072 int _cud_cost; /* cost of (parm_cursor_down) */ 1073 int _cuu_cost; /* cost of (parm_cursor_up) */ 1074 int _hpa_cost; /* cost of (column_address) */ 1075 int _vpa_cost; /* cost of (row_address) */ 1076 /* used in tty_update.c, must be chars */ 1077 int _ed_cost; /* cost of (clr_eos) */ 1078 int _el_cost; /* cost of (clr_eol) */ 1079 int _el1_cost; /* cost of (clr_bol) */ 1080 int _dch1_cost; /* cost of (delete_character) */ 1081 int _ich1_cost; /* cost of (insert_character) */ 1082 int _dch_cost; /* cost of (parm_dch) */ 1083 int _ich_cost; /* cost of (parm_ich) */ 1084 int _ech_cost; /* cost of (erase_chars) */ 1085 int _rep_cost; /* cost of (repeat_char) */ 1086 int _hpa_ch_cost; /* cost of (column_address) */ 1087 int _cup_ch_cost; /* cost of (cursor_address) */ 1088 int _cuf_ch_cost; /* cost of (parm_cursor_right) */ 1089 int _inline_cost; /* cost of inline-move */ 1090 int _smir_cost; /* cost of (enter_insert_mode) */ 1091 int _rmir_cost; /* cost of (exit_insert_mode) */ 1092 int _ip_cost; /* cost of (insert_padding) */ 1093 /* used in lib_mvcur.c */ 1094 char * _address_cursor; 1095 /* used in tty_update.c */ 1096 int _scrolling; /* 1 if terminal's smart enough to */ 1097 1098 /* used in lib_color.c */ 1099 color_t *_color_table; /* screen's color palette */ 1100 int _color_count; /* count of colors in palette */ 1101 colorpair_t *_color_pairs; /* screen's color pair list */ 1102 int _pair_count; /* count of color pairs */ 1103 int _pair_limit; /* actual limit of color-pairs */ 1104 #if NCURSES_EXT_FUNCS 1105 bool _assumed_color; /* use assumed colors */ 1106 bool _default_color; /* use default colors */ 1107 bool _has_sgr_39_49; /* has ECMA default color support */ 1108 int _default_fg; /* assumed default foreground */ 1109 int _default_bg; /* assumed default background */ 1110 int _default_pairs; /* count pairs using default color */ 1111 #endif 1112 chtype _ok_attributes; /* valid attributes for terminal */ 1113 chtype _xmc_suppress; /* attributes to suppress if xmc */ 1114 chtype _xmc_triggers; /* attributes to process if xmc */ 1115 chtype * _acs_map; /* the real alternate-charset map */ 1116 bool * _screen_acs_map; 1117 1118 1119 /* used in lib_vidattr.c */ 1120 bool _use_rmso; /* true if we may use 'rmso' */ 1121 bool _use_rmul; /* true if we may use 'rmul' */ 1122 #if USE_ITALIC 1123 bool _use_ritm; /* true if we may use 'ritm' */ 1124 #endif 1125 1126 #if USE_KLIBC_KBD 1127 bool _extended_key; /* true if an extended key */ 1128 #endif 1129 1130 /* 1131 * These data correspond to the state of the idcok() and idlok() 1132 * functions. A caveat is in order here: the XSI and SVr4 1133 * documentation specify that these functions apply to the window which 1134 * is given as an argument. However, ncurses implements this logic 1135 * only for the newscr/curscr update process, _not_ per-window. 1136 */ 1137 bool _nc_sp_idlok; 1138 bool _nc_sp_idcok; 1139 1140 /* 1141 * These are the data that support the mouse interface. 1142 */ 1143 bool _mouse_initialized; 1144 MouseType _mouse_type; 1145 int _maxclick; 1146 bool (*_mouse_event) (SCREEN *); 1147 bool (*_mouse_inline)(SCREEN *); 1148 bool (*_mouse_parse) (SCREEN *, int); 1149 void (*_mouse_resume)(SCREEN *); 1150 void (*_mouse_wrap) (SCREEN *); 1151 int _mouse_fd; /* file-descriptor, if any */ 1152 bool _mouse_active; /* true if initialized */ 1153 mmask_t _mouse_mask; /* set via mousemask() */ 1154 mmask_t _mouse_mask2; /* OR's in press/release bits */ 1155 mmask_t _mouse_bstate; 1156 MouseFormat _mouse_format; /* type of xterm mouse protocol */ 1157 NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */ 1158 MEVENT _mouse_events[EV_MAX]; /* hold the last mouse event seen */ 1159 MEVENT *_mouse_eventp; /* next free slot in event queue */ 1160 1161 #if USE_GPM_SUPPORT 1162 bool _mouse_gpm_loaded; 1163 bool _mouse_gpm_found; 1164 #ifdef HAVE_LIBDL 1165 void *_dlopen_gpm; 1166 TYPE_gpm_fd _mouse_gpm_fd; 1167 TYPE_Gpm_Open _mouse_Gpm_Open; 1168 TYPE_Gpm_Close _mouse_Gpm_Close; 1169 TYPE_Gpm_GetEvent _mouse_Gpm_GetEvent; 1170 #endif 1171 Gpm_Connect _mouse_gpm_connect; 1172 #endif /* USE_GPM_SUPPORT */ 1173 1174 #if USE_EMX_MOUSE 1175 int _emxmouse_wfd; 1176 int _emxmouse_thread; 1177 int _emxmouse_activated; 1178 char _emxmouse_buttons[4]; 1179 #endif 1180 1181 #if USE_SYSMOUSE 1182 MEVENT _sysmouse_fifo[FIFO_SIZE]; 1183 int _sysmouse_head; 1184 int _sysmouse_tail; 1185 int _sysmouse_char_width; /* character width */ 1186 int _sysmouse_char_height; /* character height */ 1187 int _sysmouse_old_buttons; 1188 int _sysmouse_new_buttons; 1189 #endif 1190 1191 #ifdef USE_TERM_DRIVER 1192 MEVENT _drv_mouse_fifo[FIFO_SIZE]; 1193 int _drv_mouse_head; 1194 int _drv_mouse_tail; 1195 int _drv_mouse_old_buttons; 1196 int _drv_mouse_new_buttons; 1197 #endif 1198 /* 1199 * This supports automatic resizing 1200 */ 1201 #if USE_SIZECHANGE 1202 int (*_resize)(NCURSES_SP_DCLx int y, int x); 1203 int (*_ungetch)(SCREEN *, int); 1204 #endif 1205 1206 /* 1207 * These are data that support the proper handling of the panel stack on an 1208 * per screen basis. 1209 */ 1210 struct panelhook _panelHook; 1211 1212 bool _sig_winch; 1213 SCREEN *_next_screen; 1214 1215 /* hashes for old and new lines */ 1216 unsigned long *oldhash, *newhash; 1217 HASHMAP *hashtab; 1218 int hashtab_len; 1219 int *_oldnum_list; 1220 int _oldnum_size; 1221 1222 NCURSES_SP_OUTC _outch; /* output handler if not putc */ 1223 1224 int _legacy_coding; /* see use_legacy_coding() */ 1225 1226 #if USE_REENTRANT 1227 char _ttytype[NAMESIZE]; 1228 int _ESCDELAY; 1229 int _TABSIZE; 1230 int _LINES; 1231 int _COLS; 1232 #ifdef TRACE 1233 long _outchars; 1234 const char *_tputs_trace; 1235 #endif 1236 #endif 1237 1238 #ifdef TRACE 1239 char tracechr_buf[40]; 1240 char tracemse_buf[TRACEMSE_MAX]; 1241 #endif 1242 #ifdef USE_SP_WINDOWLIST 1243 WINDOWLIST* _windowlist; 1244 #define WindowList(sp) (sp)->_windowlist 1245 #endif 1246 NCURSES_OUTC jump; 1247 1248 ripoff_t rippedoff[N_RIPS]; 1249 ripoff_t *rsp; 1250 1251 /* 1252 * ncurses/ncursesw are the same up to this point. 1253 */ 1254 #if USE_WIDEC_SUPPORT 1255 /* recent versions of 'screen' have partially-working support for 1256 * UTF-8, but do not permit ACS at the same time (see tty_update.c). 1257 */ 1258 bool _screen_acs_fix; 1259 bool _screen_unicode; 1260 #endif 1261 1262 bool _use_tioctl; 1263 }; 1264 1265 extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain; 1266 extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch; 1267 1268 WINDOWLIST { 1269 WINDOWLIST *next; 1270 SCREEN *screen; /* screen containing the window */ 1271 WINDOW win; /* WINDOW_EXT() needs to account for offset */ 1272 #if NCURSES_WIDECHAR 1273 char addch_work[(MB_LEN_MAX * 9) + 1]; 1274 unsigned addch_used; /* number of bytes in addch_work[] */ 1275 int addch_x; /* x-position for addch_work[] */ 1276 int addch_y; /* y-position for addch_work[] */ 1277 #endif 1278 }; 1279 1280 #define WINDOW_EXT(w,m) (((WINDOWLIST *)((void *)((char *)(w) - offsetof(WINDOWLIST, win))))->m) 1281 1282 #define SP_PRE_INIT(sp) \ 1283 sp->_cursrow = -1; \ 1284 sp->_curscol = -1; \ 1285 sp->_nl = TRUE; \ 1286 sp->_raw = FALSE; \ 1287 sp->_cbreak = 0; \ 1288 sp->_echo = TRUE; \ 1289 sp->_fifohead = -1; \ 1290 sp->_endwin = TRUE; \ 1291 sp->_cursor = -1; \ 1292 WindowList(sp) = 0; \ 1293 sp->_outch = NCURSES_OUTC_FUNC; \ 1294 sp->jump = 0 \ 1295 1296 /* usually in <limits.h> */ 1297 #ifndef UCHAR_MAX 1298 #define UCHAR_MAX 255 1299 #endif 1300 1301 /* The terminfo source is assumed to be 7-bit ASCII */ 1302 #define is7bits(c) ((unsigned)(c) < 128) 1303 1304 /* Checks for isprint() should be done on 8-bit characters (non-wide) */ 1305 #define is8bits(c) ((unsigned)(c) <= UCHAR_MAX) 1306 1307 #ifndef min 1308 #define min(a,b) ((a) > (b) ? (b) : (a)) 1309 #endif 1310 1311 #ifndef max 1312 #define max(a,b) ((a) < (b) ? (b) : (a)) 1313 #endif 1314 1315 /* usually in <unistd.h> */ 1316 #ifndef STDIN_FILENO 1317 #define STDIN_FILENO 0 1318 #endif 1319 1320 #ifndef STDOUT_FILENO 1321 #define STDOUT_FILENO 1 1322 #endif 1323 1324 #ifndef STDERR_FILENO 1325 #define STDERR_FILENO 2 1326 #endif 1327 1328 #ifndef EXIT_SUCCESS 1329 #define EXIT_SUCCESS 0 1330 #endif 1331 1332 #ifndef EXIT_FAILURE 1333 #define EXIT_FAILURE 1 1334 #endif 1335 1336 #ifndef R_OK 1337 #define R_OK 4 /* Test for read permission. */ 1338 #endif 1339 #ifndef W_OK 1340 #define W_OK 2 /* Test for write permission. */ 1341 #endif 1342 #ifndef X_OK 1343 #define X_OK 1 /* Test for execute permission. */ 1344 #endif 1345 #ifndef F_OK 1346 #define F_OK 0 /* Test for existence. */ 1347 #endif 1348 1349 #if HAVE_FCNTL_H 1350 #include <fcntl.h> /* may define O_BINARY */ 1351 #endif 1352 1353 #ifndef O_BINARY 1354 #define O_BINARY 0 1355 #endif 1356 1357 #ifdef TRACE 1358 #if USE_REENTRANT 1359 #define COUNT_OUTCHARS(n) _nc_count_outchars(n); 1360 #else 1361 #define COUNT_OUTCHARS(n) _nc_outchars += (n); 1362 #endif 1363 #else 1364 #define COUNT_OUTCHARS(n) /* nothing */ 1365 #endif 1366 1367 #define RESET_OUTCHARS() COUNT_OUTCHARS(-_nc_outchars) 1368 1369 #define UChar(c) ((unsigned char)(c)) 1370 #define UShort(c) ((unsigned short)(c)) 1371 #define ChCharOf(c) ((chtype)(c) & (chtype)A_CHARTEXT) 1372 #define ChAttrOf(c) ((chtype)(c) & (chtype)A_ATTRIBUTES) 1373 1374 #ifndef MB_LEN_MAX 1375 #define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */ 1376 #endif 1377 1378 #if USE_WIDEC_SUPPORT /* { */ 1379 #define isEILSEQ(status) (((size_t)status == (size_t)-1) && (errno == EILSEQ)) 1380 1381 #define init_mb(state) memset(&state, 0, sizeof(state)) 1382 1383 #if NCURSES_EXT_COLORS 1384 #define NulColor , 0 1385 #else 1386 #define NulColor /* nothing */ 1387 #endif 1388 1389 #define NulChar 0,0,0,0 /* FIXME: see CCHARW_MAX */ 1390 #define CharOf(c) ((c).chars[0]) 1391 #define AttrOf(c) ((c).attr) 1392 1393 #define AddAttr(c,a) AttrOf(c) |= ((a) & A_ATTRIBUTES) 1394 #define RemAttr(c,a) AttrOf(c) &= ~((a) & A_ATTRIBUTES) 1395 #define SetAttr(c,a) AttrOf(c) = ((a) & A_ATTRIBUTES) | WidecExt(c) 1396 1397 #define NewChar2(c,a) { a, { c, NulChar } NulColor } 1398 #define NewChar(ch) NewChar2(ChCharOf(ch), ChAttrOf(ch)) 1399 1400 #if CCHARW_MAX == 5 1401 #define CharEq(a,b) (((a).attr == (b).attr) \ 1402 && (a).chars[0] == (b).chars[0] \ 1403 && (a).chars[1] == (b).chars[1] \ 1404 && (a).chars[2] == (b).chars[2] \ 1405 && (a).chars[3] == (b).chars[3] \ 1406 && (a).chars[4] == (b).chars[4] \ 1407 if_EXT_COLORS(&& (a).ext_color == (b).ext_color)) 1408 #else 1409 #define CharEq(a,b) (!memcmp(&(a), &(b), sizeof(a))) 1410 #endif 1411 1412 #define SetChar(ch,c,a) do { \ 1413 NCURSES_CH_T *_cp = &ch; \ 1414 memset(_cp, 0, sizeof(ch)); \ 1415 _cp->chars[0] = (wchar_t) (c); \ 1416 _cp->attr = (a); \ 1417 if_EXT_COLORS(SetPair(ch, PairNumber(a))); \ 1418 } while (0) 1419 #define CHREF(wch) (&wch) 1420 #define CHDEREF(wch) (*wch) 1421 #define ARG_CH_T NCURSES_CH_T * 1422 #define CARG_CH_T const NCURSES_CH_T * 1423 #define PUTC_DATA char PUTC_buf[MB_LEN_MAX]; int PUTC_i, PUTC_n; \ 1424 mbstate_t PUT_st; wchar_t PUTC_ch 1425 #define PUTC_INIT init_mb (PUT_st) 1426 #define PUTC(ch) do { if(!isWidecExt(ch)) { \ 1427 if (Charable(ch)) { \ 1428 NCURSES_OUTC_FUNC (NCURSES_SP_ARGx CharOf(ch)); \ 1429 COUNT_OUTCHARS(1); \ 1430 } else { \ 1431 for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) { \ 1432 PUTC_ch = (ch).chars[PUTC_i]; \ 1433 if (PUTC_ch == L'\0') \ 1434 break; \ 1435 PUTC_INIT; \ 1436 PUTC_n = (int) wcrtomb(PUTC_buf, \ 1437 (ch).chars[PUTC_i], &PUT_st); \ 1438 if (PUTC_n <= 0) { \ 1439 if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) \ 1440 NCURSES_OUTC_FUNC (NCURSES_SP_ARGx CharOf(ch)); \ 1441 break; \ 1442 } else { \ 1443 int PUTC_j; \ 1444 for (PUTC_j = 0; PUTC_j < PUTC_n; ++PUTC_j) { \ 1445 NCURSES_OUTC_FUNC (NCURSES_SP_ARGx PUTC_buf[PUTC_j]); \ 1446 } \ 1447 } \ 1448 } \ 1449 COUNT_OUTCHARS(PUTC_i); \ 1450 } } } while (0) 1451 1452 #define BLANK NewChar2(' ', WA_NORMAL) 1453 #define ZEROS NewChar2('\0', WA_NORMAL) 1454 #define ISBLANK(ch) ((ch).chars[0] == L' ' && (ch).chars[1] == L'\0') 1455 1456 /* 1457 * Wide characters cannot be represented in the A_CHARTEXT mask of 1458 * attr_t's but an application might have set a narrow character there. 1459 * But even in that case, it would only be a printable character, or 1460 * zero. Otherwise we can use those bits to tell if a cell is the 1461 * first or extension part of a wide character. 1462 */ 1463 #define WidecExt(ch) (int) (AttrOf(ch) & A_CHARTEXT) 1464 #define isWidecBase(ch) (WidecExt(ch) == 1) 1465 #define isWidecExt(ch) (WidecExt(ch) > 1 && WidecExt(ch) < 32) 1466 #define SetWidecExt(dst, ext) AttrOf(dst) &= ~A_CHARTEXT, \ 1467 AttrOf(dst) |= (attr_t) (ext + 1) 1468 1469 #define if_WIDEC(code) code 1470 #define Charable(ch) (((SP_PARM->_legacy_coding) \ 1471 || (AttrOf(ch) & A_ALTCHARSET) \ 1472 || (!isWidecExt(ch))) && \ 1473 (ch).chars[1] == L'\0' && \ 1474 _nc_is_charable(CharOf(ch))) 1475 1476 #define L(ch) L ## ch 1477 #else /* }{ */ 1478 #define CharOf(c) ChCharOf(c) 1479 #define AttrOf(c) ChAttrOf(c) 1480 #define AddAttr(c,a) c |= (a) 1481 #define RemAttr(c,a) c &= ~((a) & A_ATTRIBUTES) 1482 #define SetAttr(c,a) c = ((c) & ~A_ATTRIBUTES) | (a) 1483 #define NewChar(ch) (ch) 1484 #define NewChar2(c,a) ((c) | (a)) 1485 #define CharEq(a,b) ((a) == (b)) 1486 #define SetChar(ch,c,a) ch = (c) | (a) 1487 #define CHREF(wch) wch 1488 #define CHDEREF(wch) wch 1489 #define ARG_CH_T NCURSES_CH_T 1490 #define CARG_CH_T NCURSES_CH_T 1491 #define PUTC_DATA /* nothing */ 1492 #define PUTC(ch) NCURSES_OUTC_FUNC (NCURSES_SP_ARGx (int) ch) 1493 1494 #define BLANK (' '|A_NORMAL) 1495 #define ZEROS ('\0'|A_NORMAL) 1496 #define ISBLANK(ch) (CharOf(ch) == ' ') 1497 1498 #define isWidecExt(ch) (0) 1499 #define if_WIDEC(code) /* nothing */ 1500 1501 #define L(ch) ch 1502 #endif /* } */ 1503 1504 #define AttrOfD(ch) AttrOf(CHDEREF(ch)) 1505 #define CharOfD(ch) CharOf(CHDEREF(ch)) 1506 #define SetChar2(wch,ch) SetChar(wch,ChCharOf(ch),ChAttrOf(ch)) 1507 1508 #define BLANK_ATTR A_NORMAL 1509 #define BLANK_TEXT L(' ') 1510 1511 #define CHANGED -1 1512 1513 #define LEGALYX(w, y, x) \ 1514 ((w) != 0 && \ 1515 ((x) >= 0 && (x) <= (w)->_maxx && \ 1516 (y) >= 0 && (y) <= (w)->_maxy)) 1517 1518 #define CHANGED_CELL(line,col) \ 1519 if (line->firstchar == _NOCHANGE) \ 1520 line->firstchar = line->lastchar = (NCURSES_SIZE_T) (col); \ 1521 else if ((col) < line->firstchar) \ 1522 line->firstchar = (NCURSES_SIZE_T) (col); \ 1523 else if ((col) > line->lastchar) \ 1524 line->lastchar = (NCURSES_SIZE_T) (col) 1525 1526 #define CHANGED_RANGE(line,start,end) \ 1527 if (line->firstchar == _NOCHANGE \ 1528 || line->firstchar > (start)) \ 1529 line->firstchar = (NCURSES_SIZE_T) (start); \ 1530 if (line->lastchar == _NOCHANGE \ 1531 || line->lastchar < (end)) \ 1532 line->lastchar = (NCURSES_SIZE_T) (end) 1533 1534 #define CHANGED_TO_EOL(line,start,end) \ 1535 if (line->firstchar == _NOCHANGE \ 1536 || line->firstchar > (start)) \ 1537 line->firstchar = (NCURSES_SIZE_T) (start); \ 1538 line->lastchar = (NCURSES_SIZE_T) (end) 1539 1540 #define SIZEOF(v) (sizeof(v)/sizeof(v[0])) 1541 1542 #define FreeIfNeeded(p) if ((p) != 0) free(p) 1543 1544 /* FreeAndNull() is not a comma-separated expression because some compilers 1545 * do not accept a mixture of void with values. 1546 */ 1547 #define FreeAndNull(p) free(p); p = 0 1548 1549 #include <nc_alloc.h> 1550 1551 /* 1552 * Use these for tic/infocmp malloc failures. Generally the ncurses library 1553 * tries to limp along after a failure. 1554 */ 1555 #define TYPE_MALLOC(type, size, name) \ 1556 name = typeMalloc(type, size); \ 1557 if (name == 0) \ 1558 _nc_err_abort(MSG_NO_MEMORY) 1559 1560 #define TYPE_REALLOC(type, size, name) \ 1561 name = typeRealloc(type, size, name); \ 1562 if (name == 0) \ 1563 _nc_err_abort(MSG_NO_MEMORY) 1564 1565 /* 1566 * TTY bit definition for converting tabs to spaces. 1567 */ 1568 #ifdef TAB3 1569 # define OFLAGS_TABS TAB3 /* POSIX specifies TAB3 */ 1570 #else 1571 # ifdef XTABS 1572 # define OFLAGS_TABS XTABS /* XTABS is usually the "same" */ 1573 # else 1574 # ifdef OXTABS 1575 # define OFLAGS_TABS OXTABS /* the traditional BSD equivalent */ 1576 # else 1577 # define OFLAGS_TABS 0 1578 # endif 1579 # endif 1580 #endif 1581 1582 /* 1583 * Standardize/simplify common loops 1584 */ 1585 #define each_screen(p) p = _nc_screen_chain; p != 0; p = (p)->_next_screen 1586 #define each_window(sp,p) p = WindowList(sp); p != 0; p = (p)->next 1587 #define each_ripoff(p) p = safe_ripoff_stack; (p - safe_ripoff_stack) < N_RIPS; ++p 1588 1589 /* 1590 * Prefixes for call/return points of library function traces. We use these to 1591 * instrument the public functions so that the traces can be easily transformed 1592 * into regression scripts. 1593 */ 1594 #define T_CALLED(fmt) "called {" fmt 1595 #define T_CREATE(fmt) "create :" fmt 1596 #define T_RETURN(fmt) "return }" fmt 1597 1598 #ifdef TRACE 1599 1600 #if USE_REENTRANT 1601 #define TPUTS_TRACE(s) _nc_set_tputs_trace(s); 1602 #else 1603 #define TPUTS_TRACE(s) _nc_tputs_trace = s; 1604 #endif 1605 1606 #define START_TRACE() \ 1607 if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \ 1608 int t = _nc_getenv_num("NCURSES_TRACE"); \ 1609 if (t >= 0) \ 1610 trace((unsigned) t); \ 1611 } 1612 1613 /* 1614 * Many of the _tracef() calls use static buffers; lock the trace state before 1615 * trying to fill them. 1616 */ 1617 #if USE_REENTRANT 1618 #define USE_TRACEF(mask) _nc_use_tracef(mask) 1619 extern NCURSES_EXPORT(int) _nc_use_tracef (unsigned); 1620 extern NCURSES_EXPORT(void) _nc_locked_tracef (const char *, ...) GCC_PRINTFLIKE(1,2); 1621 #else 1622 #define USE_TRACEF(mask) (_nc_tracing & (mask)) 1623 #define _nc_locked_tracef _tracef 1624 #endif 1625 1626 #define TR(n, a) if (USE_TRACEF(n)) _nc_locked_tracef a 1627 #define T(a) TR(TRACE_CALLS, a) 1628 #define TRACE_RETURN(value,type) return _nc_retrace_##type((type)(value)) 1629 #define TRACE_RETURN1(value,dst) return _nc_retrace_##dst(value) 1630 #define TRACE_RETURN2(value,dst,src) return _nc_retrace_##dst##_##src(value) 1631 #define TRACE_RETURN_SP(value,type) return _nc_retrace_##type(SP_PARM, value) 1632 1633 typedef void VoidFunc(void); 1634 1635 #define TR_FUNC(value) ((const char*) &(value)) 1636 #define NonNull(s) ((s) != 0 ? s : "<null>") 1637 1638 #define returnAttr(code) TRACE_RETURN(code,attr_t) 1639 #define returnBits(code) TRACE_RETURN(code,unsigned) 1640 #define returnBool(code) TRACE_RETURN(code,bool) 1641 #define returnCPtr(code) TRACE_RETURN1(code,cptr) 1642 #define returnCVoidPtr(code) TRACE_RETURN1(code,cvoid_ptr) 1643 #define returnChar(code) TRACE_RETURN(code,char) 1644 #define returnChtype(code) TRACE_RETURN(code,chtype) 1645 #define returnCode(code) TRACE_RETURN(code,int) 1646 #define returnIntAttr(code) TRACE_RETURN2(code,int,attr_t) 1647 #define returnMMask(code) TRACE_RETURN_SP(code,mmask_t) 1648 #define returnPtr(code) TRACE_RETURN1(code,ptr) 1649 #define returnSP(code) TRACE_RETURN1(code,sp) 1650 #define returnVoid T((T_RETURN(""))); return 1651 #define returnVoidPtr(code) TRACE_RETURN1(code,void_ptr) 1652 #define returnWin(code) TRACE_RETURN1(code,win) 1653 1654 extern NCURSES_EXPORT(NCURSES_BOOL) _nc_retrace_bool (int); 1655 extern NCURSES_EXPORT(NCURSES_CONST void *) _nc_retrace_cvoid_ptr (NCURSES_CONST void *); 1656 extern NCURSES_EXPORT(SCREEN *) _nc_retrace_sp (SCREEN *); 1657 extern NCURSES_EXPORT(WINDOW *) _nc_retrace_win (WINDOW *); 1658 extern NCURSES_EXPORT(attr_t) _nc_retrace_attr_t (attr_t); 1659 extern NCURSES_EXPORT(char *) _nc_retrace_ptr (char *); 1660 extern NCURSES_EXPORT(char *) _nc_trace_ttymode(TTY *tty); 1661 extern NCURSES_EXPORT(char *) _nc_varargs (const char *, va_list); 1662 extern NCURSES_EXPORT(chtype) _nc_retrace_chtype (chtype); 1663 extern NCURSES_EXPORT(const char *) _nc_altcharset_name(attr_t, chtype); 1664 extern NCURSES_EXPORT(const char *) _nc_retrace_cptr (const char *); 1665 extern NCURSES_EXPORT(char) _nc_retrace_char (int); 1666 extern NCURSES_EXPORT(int) _nc_retrace_int (int); 1667 extern NCURSES_EXPORT(int) _nc_retrace_int_attr_t (attr_t); 1668 extern NCURSES_EXPORT(mmask_t) _nc_retrace_mmask_t (SCREEN *, mmask_t); 1669 extern NCURSES_EXPORT(unsigned) _nc_retrace_unsigned (unsigned); 1670 extern NCURSES_EXPORT(void *) _nc_retrace_void_ptr (void *); 1671 extern NCURSES_EXPORT(void) _nc_fifo_dump (SCREEN *); 1672 1673 #if USE_REENTRANT 1674 NCURSES_WRAPPED_VAR(long, _nc_outchars); 1675 NCURSES_WRAPPED_VAR(const char *, _nc_tputs_trace); 1676 #define _nc_outchars NCURSES_PUBLIC_VAR(_nc_outchars()) 1677 #define _nc_tputs_trace NCURSES_PUBLIC_VAR(_nc_tputs_trace()) 1678 extern NCURSES_EXPORT(void) _nc_set_tputs_trace (const char *); 1679 extern NCURSES_EXPORT(void) _nc_count_outchars (long); 1680 #else 1681 extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace; 1682 extern NCURSES_EXPORT_VAR(long) _nc_outchars; 1683 #endif 1684 1685 extern NCURSES_EXPORT_VAR(unsigned) _nc_tracing; 1686 1687 extern NCURSES_EXPORT(char *) _nc_tracebits (void); 1688 extern NCURSES_EXPORT(char *) _tracemouse (const MEVENT *); 1689 extern NCURSES_EXPORT(void) _tracedump (const char *, WINDOW *); 1690 1691 #if USE_WIDEC_SUPPORT 1692 extern NCURSES_EXPORT(const char *) _nc_viswbuf2 (int, const wchar_t *); 1693 extern NCURSES_EXPORT(const char *) _nc_viswbufn (const wchar_t *, int); 1694 #endif 1695 1696 extern NCURSES_EXPORT(const char *) _nc_viscbuf2 (int, const NCURSES_CH_T *, int); 1697 extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int); 1698 1699 #else /* !TRACE */ 1700 1701 #define START_TRACE() /* nothing */ 1702 1703 #define T(a) 1704 #define TR(n, a) 1705 #define TPUTS_TRACE(s) 1706 1707 #define returnAttr(code) return code 1708 #define returnBits(code) return code 1709 #define returnBool(code) return code 1710 #define returnCPtr(code) return code 1711 #define returnCVoidPtr(code) return code 1712 #define returnChar(code) return ((char) code) 1713 #define returnChtype(code) return code 1714 #define returnCode(code) return code 1715 #define returnIntAttr(code) return code 1716 #define returnMMask(code) return code 1717 #define returnPtr(code) return code 1718 #define returnSP(code) return code 1719 #define returnVoid return 1720 #define returnVoidPtr(code) return code 1721 #define returnWin(code) return code 1722 1723 #endif /* TRACE/!TRACE */ 1724 1725 /* 1726 * Workaround for defective implementation of gcc attribute warn_unused_result 1727 */ 1728 #if defined(__GNUC__) && defined(_FORTIFY_SOURCE) 1729 #define IGNORE_RC(func) errno = (int) func 1730 #else 1731 #define IGNORE_RC(func) (void) func 1732 #endif /* gcc workarounds */ 1733 1734 /* 1735 * Return-codes for tgetent() and friends. 1736 */ 1737 #define TGETENT_YES 1 /* entry is found */ 1738 #define TGETENT_NO 0 /* entry is not found */ 1739 #define TGETENT_ERR -1 /* an error occurred */ 1740 1741 extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *); 1742 extern NCURSES_EXPORT(const char *) _nc_visbufn (const char *, int); 1743 1744 #define EMPTY_MODULE(name) \ 1745 extern NCURSES_EXPORT(void) name (void); \ 1746 NCURSES_EXPORT(void) name (void) { } 1747 1748 #define ALL_BUT_COLOR ((chtype)~(A_COLOR)) 1749 #define NONBLANK_ATTR (A_BOLD | A_DIM | A_BLINK | A_ITALIC) 1750 #define TPARM_ATTR (A_STANDOUT | A_UNDERLINE | A_REVERSE | A_BLINK | A_DIM | A_BOLD | A_ALTCHARSET | A_INVIS | A_PROTECT) 1751 #define XMC_CONFLICT (A_STANDOUT | A_UNDERLINE | A_REVERSE | A_BLINK | A_DIM | A_BOLD | A_INVIS | A_PROTECT | A_ITALIC) 1752 #define XMC_CHANGES(c) ((c) & SP_PARM->_xmc_suppress) 1753 1754 #define toggle_attr_on(S,at) {\ 1755 if (PairNumber(at) > 0) {\ 1756 (S) = ((S) & ALL_BUT_COLOR) | (attr_t) (at);\ 1757 } else {\ 1758 (S) |= (attr_t) (at);\ 1759 }\ 1760 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));} 1761 1762 1763 #define toggle_attr_off(S,at) {\ 1764 if (PairNumber(at) > 0) {\ 1765 (S) &= ~(at|A_COLOR);\ 1766 } else {\ 1767 (S) &= ~(at);\ 1768 }\ 1769 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));} 1770 1771 #define DelCharCost(sp,count) \ 1772 ((parm_dch != 0) \ 1773 ? sp->_dch_cost \ 1774 : ((delete_character != 0) \ 1775 ? (sp->_dch1_cost * count) \ 1776 : INFINITY)) 1777 1778 #define InsCharCost(sp,count) \ 1779 ((parm_ich != 0) \ 1780 ? sp->_ich_cost \ 1781 : ((enter_insert_mode && exit_insert_mode) \ 1782 ? sp->_smir_cost + sp->_rmir_cost + (sp->_ip_cost * count) \ 1783 : ((insert_character != 0) \ 1784 ? ((sp->_ich1_cost + sp->_ip_cost) * count) \ 1785 : INFINITY))) 1786 1787 #if USE_XMC_SUPPORT 1788 #define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \ 1789 attr_t chg = AttrOf(SCREEN_ATTRS(sp)); \ 1790 VIDATTR(sp, AttrOf(c), GetPair(c)); \ 1791 if (magic_cookie_glitch > 0 \ 1792 && XMC_CHANGES((chg ^ AttrOf(SCREEN_ATTRS(sp))))) { \ 1793 T(("%s @%d before glitch %d,%d", \ 1794 __FILE__, __LINE__, \ 1795 sp->_cursrow, \ 1796 sp->_curscol)); \ 1797 NCURSES_SP_NAME(_nc_do_xmc_glitch)(NCURSES_SP_ARGx chg); \ 1798 } \ 1799 } 1800 #else 1801 #define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \ 1802 VIDATTR(sp, AttrOf(c), GetPair(c)); \ 1803 } 1804 #endif 1805 1806 /* 1807 * Macros to make additional parameter to implement wgetch_events() 1808 */ 1809 #ifdef NCURSES_WGETCH_EVENTS 1810 #define EVENTLIST_0th(param) param 1811 #define EVENTLIST_1st(param) param 1812 #define EVENTLIST_2nd(param) , param 1813 #define TWAIT_MASK (TW_ANY | TW_EVENT) 1814 #else 1815 #define EVENTLIST_0th(param) void 1816 #define EVENTLIST_1st(param) /* nothing */ 1817 #define EVENTLIST_2nd(param) /* nothing */ 1818 #define TWAIT_MASK TW_ANY 1819 #endif 1820 1821 #if NCURSES_EXPANDED && NCURSES_EXT_FUNCS 1822 1823 #undef toggle_attr_on 1824 #define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at) 1825 extern NCURSES_EXPORT(void) _nc_toggle_attr_on (attr_t *, attr_t); 1826 1827 #undef toggle_attr_off 1828 #define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at) 1829 extern NCURSES_EXPORT(void) _nc_toggle_attr_off (attr_t *, attr_t); 1830 1831 #undef DelCharCost 1832 #define DelCharCost(sp, count) NCURSES_SP_NAME(_nc_DelCharCost)(NCURSES_SP_ARGx count) 1833 1834 #undef InsCharCost 1835 #define InsCharCost(sp, count) NCURSES_SP_NAME(_nc_InsCharCost)(NCURSES_SP_ARGx count) 1836 1837 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_DelCharCost) (NCURSES_SP_DCLx int _c); 1838 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_InsCharCost) (NCURSES_SP_DCLx int _c); 1839 1840 #undef UpdateAttrs 1841 #define UpdateAttrs(sp,c) NCURSES_SP_NAME(_nc_UpdateAttrs)(NCURSES_SP_ARGx CHREF(c)) 1842 1843 #if USE_WIDEC_SUPPORT || defined(NEED_NCURSES_CH_T) 1844 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_UpdateAttrs) (NCURSES_SP_DCLx CARG_CH_T _c); 1845 #else 1846 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_UpdateAttrs) (NCURSES_SP_DCLx chtype c); 1847 #endif 1848 1849 #if NCURSES_SP_FUNCS 1850 extern NCURSES_EXPORT(int) _nc_DelCharCost (int); 1851 extern NCURSES_EXPORT(int) _nc_InsCharCost (int); 1852 extern NCURSES_EXPORT(void) _nc_UpdateAttrs (CARG_CH_T); 1853 #endif /* NCURSES_SP_FUNCS */ 1854 1855 #else 1856 1857 extern NCURSES_EXPORT(void) _nc_expanded (void); 1858 1859 #endif 1860 1861 #if !NCURSES_EXT_FUNCS 1862 #define set_escdelay(value) ESCDELAY = value 1863 #endif 1864 1865 #if !HAVE_GETCWD 1866 #define getcwd(buf,len) getwd(buf) 1867 #endif 1868 1869 /* charable.c */ 1870 #if USE_WIDEC_SUPPORT 1871 extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t); 1872 extern NCURSES_EXPORT(int) _nc_to_char(wint_t); 1873 extern NCURSES_EXPORT(wint_t) _nc_to_widechar(int); 1874 #endif 1875 1876 /* comp_captab.c */ 1877 typedef struct { 1878 short nte_name; /* offset of name to hash on */ 1879 int nte_type; /* BOOLEAN, NUMBER or STRING */ 1880 short nte_index; /* index of associated variable in its array */ 1881 short nte_link; /* index in table of next hash, or -1 */ 1882 } name_table_data; 1883 1884 typedef struct 1885 { 1886 short from; 1887 short to; 1888 short source; 1889 } alias_table_data; 1890 1891 /* doupdate.c */ 1892 #if USE_XMC_SUPPORT 1893 extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t); 1894 #endif 1895 1896 /* hardscroll.c */ 1897 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG) 1898 extern NCURSES_EXPORT(void) _nc_linedump (void); 1899 #endif 1900 1901 /* lib_acs.c */ 1902 extern NCURSES_EXPORT(void) _nc_init_acs (void); /* corresponds to traditional 'init_acs()' */ 1903 extern NCURSES_EXPORT(int) _nc_msec_cost (const char *const, int); /* used by 'tack' program */ 1904 1905 /* lib_addch.c */ 1906 #if USE_WIDEC_SUPPORT 1907 NCURSES_EXPORT(int) _nc_build_wch(WINDOW *win, ARG_CH_T ch); 1908 #endif 1909 1910 /* lib_addstr.c */ 1911 #if USE_WIDEC_SUPPORT && !(defined(USE_TERMLIB) || defined(USE_BUILD_CC)) 1912 extern NCURSES_EXPORT(int) _nc_wchstrlen(const cchar_t *); 1913 #endif 1914 1915 /* lib_color.c */ 1916 extern NCURSES_EXPORT(bool) _nc_reset_colors(void); 1917 1918 /* lib_getch.c */ 1919 extern NCURSES_EXPORT(int) _nc_wgetch(WINDOW *, int *, int EVENTLIST_2nd(_nc_eventlist *)); 1920 1921 /* lib_insch.c */ 1922 extern NCURSES_EXPORT(int) _nc_insert_ch(SCREEN *, WINDOW *, chtype); 1923 1924 /* lib_mvcur.c */ 1925 #define INFINITY 1000000 /* cost: too high to use */ 1926 1927 extern NCURSES_EXPORT(int) _nc_mvcur(int yold, int xold, int ynew, int xnew); 1928 1929 extern NCURSES_EXPORT(void) _nc_mvcur_init (void); 1930 extern NCURSES_EXPORT(void) _nc_mvcur_resume (void); 1931 extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void); 1932 1933 extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int); 1934 1935 extern NCURSES_EXPORT(void) _nc_screen_init (void); 1936 extern NCURSES_EXPORT(void) _nc_screen_resume (void); 1937 extern NCURSES_EXPORT(void) _nc_screen_wrap (void); 1938 1939 /* lib_mouse.c */ 1940 extern NCURSES_EXPORT(bool) _nc_has_mouse (SCREEN *); 1941 1942 /* lib_mvcur.c */ 1943 #define INFINITY 1000000 /* cost: too high to use */ 1944 #define BAUDBYTE 9 /* 9 = 7 bits + 1 parity + 1 stop */ 1945 1946 /* lib_setup.c */ 1947 extern NCURSES_EXPORT(char *) _nc_get_locale(void); 1948 extern NCURSES_EXPORT(int) _nc_unicode_locale(void); 1949 extern NCURSES_EXPORT(int) _nc_locale_breaks_acs(TERMINAL *); 1950 extern NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *, int, int *, int); 1951 extern NCURSES_EXPORT(void) _nc_tinfo_cmdch(TERMINAL *, int); 1952 1953 /* lib_set_term.c */ 1954 extern NCURSES_EXPORT(int) _nc_ripoffline(int, int(*)(WINDOW*, int)); 1955 1956 /* lib_setup.c */ 1957 #define SETUP_FAIL ERR 1958 #define ret_error(code, fmt, arg) if (errret) {\ 1959 *errret = code;\ 1960 returnCode(SETUP_FAIL);\ 1961 } else {\ 1962 fprintf(stderr, fmt, arg);\ 1963 exit(EXIT_FAILURE);\ 1964 } 1965 1966 #define ret_error1(code, fmt, arg) ret_error(code, "'%s': " fmt, arg) 1967 1968 #define ret_error0(code, msg) if (errret) {\ 1969 *errret = code;\ 1970 returnCode(SETUP_FAIL);\ 1971 } else {\ 1972 fprintf(stderr, msg);\ 1973 exit(EXIT_FAILURE);\ 1974 } 1975 1976 /* lib_tstp.c */ 1977 #if USE_SIGWINCH 1978 extern NCURSES_EXPORT(int) _nc_handle_sigwinch(SCREEN *); 1979 #else 1980 #define _nc_handle_sigwinch(a) /* nothing */ 1981 #endif 1982 1983 /* lib_wacs.c */ 1984 #if USE_WIDEC_SUPPORT 1985 extern NCURSES_EXPORT(void) _nc_init_wacs(void); 1986 #endif 1987 1988 typedef struct { 1989 char *s_head; /* beginning of the string (may be null) */ 1990 char *s_tail; /* end of the string (may be null) */ 1991 size_t s_size; /* current remaining size available */ 1992 size_t s_init; /* total size available */ 1993 } string_desc; 1994 1995 /* strings.c */ 1996 extern NCURSES_EXPORT(string_desc *) _nc_str_init (string_desc *, char *, size_t); 1997 extern NCURSES_EXPORT(string_desc *) _nc_str_null (string_desc *, size_t); 1998 extern NCURSES_EXPORT(string_desc *) _nc_str_copy (string_desc *, string_desc *); 1999 extern NCURSES_EXPORT(bool) _nc_safe_strcat (string_desc *, const char *); 2000 extern NCURSES_EXPORT(bool) _nc_safe_strcpy (string_desc *, const char *); 2001 2002 #if !HAVE_STRSTR 2003 #define strstr _nc_strstr 2004 extern NCURSES_EXPORT(char *) _nc_strstr (const char *, const char *); 2005 #endif 2006 2007 /* safe_sprintf.c */ 2008 extern NCURSES_EXPORT(char *) _nc_printf_string (const char *, va_list); 2009 2010 /* tries.c */ 2011 extern NCURSES_EXPORT(int) _nc_add_to_try (TRIES **, const char *, unsigned); 2012 extern NCURSES_EXPORT(char *) _nc_expand_try (TRIES *, unsigned, int *, size_t); 2013 extern NCURSES_EXPORT(int) _nc_remove_key (TRIES **, unsigned); 2014 extern NCURSES_EXPORT(int) _nc_remove_string (TRIES **, const char *); 2015 2016 /* elsewhere ... */ 2017 extern NCURSES_EXPORT(ENTRY *) _nc_delink_entry (ENTRY *, TERMTYPE *); 2018 extern NCURSES_EXPORT(SCREEN *) _nc_screen_of (WINDOW *); 2019 extern NCURSES_EXPORT(TERMINAL*) _nc_get_cur_term (void); 2020 extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int); 2021 extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t); 2022 extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *); 2023 extern NCURSES_EXPORT(char *) _nc_tracechar (SCREEN *, int); 2024 extern NCURSES_EXPORT(char *) _nc_tracemouse (SCREEN *, MEVENT const *); 2025 extern NCURSES_EXPORT(char *) _nc_trace_mmask_t (SCREEN *, mmask_t); 2026 extern NCURSES_EXPORT(int) _nc_access (const char *, int); 2027 extern NCURSES_EXPORT(int) _nc_baudrate (int); 2028 extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *); 2029 extern NCURSES_EXPORT(int) _nc_getenv_num (const char *); 2030 extern NCURSES_EXPORT(int) _nc_keypad (SCREEN *, int); 2031 extern NCURSES_EXPORT(int) _nc_ospeed (int); 2032 extern NCURSES_EXPORT(int) _nc_outch (int); 2033 extern NCURSES_EXPORT(int) _nc_putchar (int); 2034 extern NCURSES_EXPORT(int) _nc_putp(const char *, const char *); 2035 extern NCURSES_EXPORT(int) _nc_putp_flush(const char *, const char *); 2036 extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const); 2037 extern NCURSES_EXPORT(int) _nc_setup_tinfo(const char *, TERMTYPE *); 2038 extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, int, int); 2039 extern NCURSES_EXPORT(int) _nc_timed_wait (SCREEN *, int, int, int * EVENTLIST_2nd(_nc_eventlist *)); 2040 extern NCURSES_EXPORT(void) _nc_do_color (int, int, int, NCURSES_OUTC); 2041 extern NCURSES_EXPORT(void) _nc_flush (void); 2042 extern NCURSES_EXPORT(void) _nc_free_and_exit (int) GCC_NORETURN; 2043 extern NCURSES_EXPORT(void) _nc_free_entry (ENTRY *, TERMTYPE *); 2044 extern NCURSES_EXPORT(void) _nc_freeall (void); 2045 extern NCURSES_EXPORT(void) _nc_hash_map (void); 2046 extern NCURSES_EXPORT(void) _nc_init_keytry (SCREEN *); 2047 extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *); 2048 extern NCURSES_EXPORT(void) _nc_make_oldhash (int i); 2049 extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot); 2050 extern NCURSES_EXPORT(void) _nc_scroll_optimize (void); 2051 extern NCURSES_EXPORT(void) _nc_set_buffer (FILE *, int); 2052 extern NCURSES_EXPORT(void) _nc_setenv_num (const char *, int); 2053 extern NCURSES_EXPORT(void) _nc_signal_handler (int); 2054 extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *); 2055 extern NCURSES_EXPORT(void) _nc_trace_tries (TRIES *); 2056 2057 #if NO_LEAKS 2058 extern NCURSES_EXPORT(void) _nc_alloc_entry_leaks(void); 2059 extern NCURSES_EXPORT(void) _nc_captoinfo_leaks(void); 2060 extern NCURSES_EXPORT(void) _nc_codes_leaks(void); 2061 extern NCURSES_EXPORT(void) _nc_comp_captab_leaks(void); 2062 extern NCURSES_EXPORT(void) _nc_comp_error_leaks(void); 2063 extern NCURSES_EXPORT(void) _nc_comp_scan_leaks(void); 2064 extern NCURSES_EXPORT(void) _nc_db_iterator_leaks(void); 2065 extern NCURSES_EXPORT(void) _nc_keyname_leaks(void); 2066 extern NCURSES_EXPORT(void) _nc_names_leaks(void); 2067 extern NCURSES_EXPORT(void) _nc_tgetent_leaks(void); 2068 #endif 2069 2070 #if !(defined(USE_TERMLIB) || defined(USE_BUILD_CC)) 2071 extern NCURSES_EXPORT(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T); 2072 extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const NCURSES_CH_T); 2073 extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, int const, int const, NCURSES_CH_T); 2074 #endif 2075 2076 #if USE_WIDEC_SUPPORT 2077 extern NCURSES_EXPORT(int) _nc_insert_wch(WINDOW *, const cchar_t *); 2078 #endif 2079 2080 #if USE_WIDEC_SUPPORT && !(defined(USE_TERMLIB) || defined(USE_BUILD_CC)) 2081 extern NCURSES_EXPORT(size_t) _nc_wcrtomb (char *, wchar_t, mbstate_t *); 2082 #endif 2083 2084 #if USE_SIZECHANGE 2085 extern NCURSES_EXPORT(void) _nc_update_screensize (SCREEN *); 2086 #endif 2087 2088 #if HAVE_RESIZETERM 2089 extern NCURSES_EXPORT(void) _nc_resize_margins (WINDOW *); 2090 #else 2091 #define _nc_resize_margins(wp) /* nothing */ 2092 #endif 2093 2094 #ifdef NCURSES_WGETCH_EVENTS 2095 extern NCURSES_EXPORT(int) _nc_eventlist_timeout(_nc_eventlist *); 2096 #else 2097 #define wgetch_events(win, evl) wgetch(win) 2098 #define wgetnstr_events(win, str, maxlen, evl) wgetnstr(win, str, maxlen) 2099 #endif 2100 2101 /* 2102 * Wide-character macros to hide some platform-differences. 2103 */ 2104 #if USE_WIDEC_SUPPORT 2105 2106 #if defined(__MINGW32__) 2107 /* 2108 * MinGW has wide-character functions, but they do not work correctly. 2109 */ 2110 2111 extern int __MINGW_NOTHROW _nc_wctomb(char *, wchar_t); 2112 #define wctomb(s,wc) _nc_wctomb(s,wc) 2113 #define wcrtomb(s,wc,n) _nc_wctomb(s,wc) 2114 2115 extern int __MINGW_NOTHROW _nc_mbtowc(wchar_t *, const char *, size_t); 2116 #define mbtowc(pwc,s,n) _nc_mbtowc(pwc,s,n) 2117 2118 extern int __MINGW_NOTHROW _nc_mblen(const char *, size_t); 2119 #define mblen(s,n) _nc_mblen(s, n) 2120 2121 #endif /* __MINGW32__ */ 2122 2123 #if HAVE_MBTOWC && HAVE_MBLEN 2124 #define reset_mbytes(state) IGNORE_RC(mblen(NULL, (size_t) 0)), IGNORE_RC(mbtowc(NULL, NULL, (size_t) 0)) 2125 #define count_mbytes(buffer,length,state) mblen(buffer,length) 2126 #define check_mbytes(wch,buffer,length,state) \ 2127 (int) mbtowc(&wch, buffer, length) 2128 #define state_unused 2129 #elif HAVE_MBRTOWC && HAVE_MBRLEN 2130 #define reset_mbytes(state) init_mb(state) 2131 #define count_mbytes(buffer,length,state) mbrlen(buffer,length,&state) 2132 #define check_mbytes(wch,buffer,length,state) \ 2133 (int) mbrtowc(&wch, buffer, length, &state) 2134 #else 2135 make an error 2136 #endif 2137 2138 #endif /* USE_WIDEC_SUPPORT */ 2139 2140 /* 2141 * Not everyone has vsscanf(), but we'd like to use it for scanw(). 2142 */ 2143 #if !HAVE_VSSCANF 2144 extern int vsscanf(const char *str, const char *format, va_list __arg); 2145 #endif 2146 2147 /* scroll indices */ 2148 extern NCURSES_EXPORT_VAR(int *) _nc_oldnums; 2149 2150 #define USE_SETBUF_0 0 2151 2152 #define NC_OUTPUT(sp) ((sp != 0) ? sp->_ofp : stdout) 2153 2154 /* 2155 * On systems with a broken linker, define 'SP' as a function to force the 2156 * linker to pull in the data-only module with 'SP'. 2157 */ 2158 #define _nc_alloc_screen_sp() typeCalloc(SCREEN, 1) 2159 2160 #if BROKEN_LINKER 2161 #define SP _nc_screen() 2162 extern NCURSES_EXPORT(SCREEN *) _nc_screen (void); 2163 extern NCURSES_EXPORT(int) _nc_alloc_screen (void); 2164 extern NCURSES_EXPORT(void) _nc_set_screen (SCREEN *); 2165 #define CURRENT_SCREEN _nc_screen() 2166 #else 2167 /* current screen is private data; avoid possible linking conflicts too */ 2168 extern NCURSES_EXPORT_VAR(SCREEN *) SP; 2169 #define CURRENT_SCREEN SP 2170 #define _nc_alloc_screen() ((SP = _nc_alloc_screen_sp()) != 0) 2171 #define _nc_set_screen(sp) SP = sp 2172 #endif 2173 2174 #if NCURSES_SP_FUNCS 2175 #define CURRENT_SCREEN_PRE (IsPreScreen(CURRENT_SCREEN) ? CURRENT_SCREEN : new_prescr()) 2176 #else 2177 #define CURRENT_SCREEN_PRE CURRENT_SCREEN 2178 #endif 2179 2180 /* 2181 * We don't want to use the lines or columns capabilities internally, because 2182 * if the application is running multiple screens under X, it's quite possible 2183 * they could all have type xterm but have different sizes! So... 2184 */ 2185 #define screen_lines(sp) (sp)->_lines 2186 #define screen_columns(sp) (sp)->_columns 2187 2188 extern NCURSES_EXPORT(int) _nc_slk_initialize (WINDOW *, int); 2189 extern NCURSES_EXPORT(int) _nc_format_slks (NCURSES_SP_DCLx int _c); 2190 2191 /* 2192 * Some constants related to SLK's 2193 */ 2194 #define MAX_SKEY_OLD 8 /* count of soft keys */ 2195 #define MAX_SKEY_LEN_OLD 8 /* max length of soft key text */ 2196 #define MAX_SKEY_PC 12 /* This is what most PC's have */ 2197 #define MAX_SKEY_LEN_PC 5 2198 2199 /* Macro to check whether or not we use a standard format */ 2200 #define SLK_STDFMT(fmt) (fmt < 3) 2201 /* Macro to determine height of label window */ 2202 #define SLK_LINES(fmt) (SLK_STDFMT(fmt) ? 1 : ((fmt) - 2)) 2203 2204 #define MAX_SKEY(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_OLD : MAX_SKEY_PC) 2205 #define MAX_SKEY_LEN(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC) 2206 2207 /* 2208 * Common error messages 2209 */ 2210 #define MSG_NO_MEMORY "Out of memory" 2211 #define MSG_NO_INPUTS "Premature EOF" 2212 2213 extern NCURSES_EXPORT(int) _nc_set_tty_mode(TTY *); 2214 extern NCURSES_EXPORT(int) _nc_get_tty_mode(TTY *); 2215 2216 /* timed_wait flag definitions */ 2217 #define TW_NONE 0 2218 #define TW_INPUT 1 2219 #define TW_MOUSE 2 2220 #define TW_ANY (TW_INPUT | TW_MOUSE) 2221 #define TW_EVENT 4 2222 2223 #define SetSafeOutcWrapper(outc) \ 2224 SCREEN* sp = CURRENT_SCREEN; \ 2225 struct screen outc_wrapper; \ 2226 if (sp==0) { \ 2227 sp = &outc_wrapper; \ 2228 memset(sp,0,sizeof(struct screen)); \ 2229 sp->_outch = _nc_outc_wrapper; \ 2230 }\ 2231 sp->jump = outc 2232 2233 #ifdef USE_TERM_DRIVER 2234 2235 typedef struct _termInfo 2236 { 2237 bool caninit; 2238 2239 bool hascolor; 2240 bool initcolor; 2241 bool canchange; 2242 2243 int tabsize; 2244 2245 int maxcolors; 2246 int maxpairs; 2247 int nocolorvideo; 2248 2249 int numbuttons; 2250 int numlabels; 2251 int labelwidth; 2252 int labelheight; 2253 2254 const color_t* defaultPalette; 2255 } TerminalInfo; 2256 2257 typedef struct term_driver { 2258 bool isTerminfo; 2259 const char* (*td_name)(struct DriverTCB*); 2260 bool (*td_CanHandle)(struct DriverTCB*, const char*, int*); 2261 void (*td_init)(struct DriverTCB*); 2262 void (*td_release)(struct DriverTCB*); 2263 int (*td_size)(struct DriverTCB*, int* Line, int *Cols); 2264 int (*td_sgmode)(struct DriverTCB*, int setFlag, TTY*); 2265 chtype (*td_conattr)(struct DriverTCB*); 2266 int (*td_hwcur)(struct DriverTCB*, int yold, int xold, int y, int x); 2267 int (*td_mode)(struct DriverTCB*, int progFlag, int defFlag); 2268 bool (*td_rescol)(struct DriverTCB*); 2269 bool (*td_rescolors)(struct DriverTCB*); 2270 void (*td_color)(struct DriverTCB*, int fore, int color, int(*)(SCREEN*, int)); 2271 int (*td_doBeepOrFlash)(struct DriverTCB*, int); 2272 void (*td_initpair)(struct DriverTCB*, int, int, int); 2273 void (*td_initcolor)(struct DriverTCB*, int, int, int, int); 2274 void (*td_docolor)(struct DriverTCB*, int, int, int, int(*)(SCREEN*, int)); 2275 void (*td_initmouse)(struct DriverTCB*); 2276 int (*td_testmouse)(struct DriverTCB*, int EVENTLIST_2nd(_nc_eventlist*)); 2277 void (*td_setfilter)(struct DriverTCB*); 2278 void (*td_hwlabel)(struct DriverTCB*, int, char*); 2279 void (*td_hwlabelOnOff)(struct DriverTCB*, int); 2280 int (*td_update)(struct DriverTCB*); 2281 int (*td_defaultcolors)(struct DriverTCB*, int, int); 2282 int (*td_print)(struct DriverTCB*, char*, int); 2283 int (*td_getsize)(struct DriverTCB*, int*, int*); 2284 int (*td_setsize)(struct DriverTCB*, int, int); 2285 void (*td_initacs)(struct DriverTCB*, chtype*, chtype*); 2286 void (*td_scinit)(SCREEN *); 2287 void (*td_scexit)(SCREEN *); 2288 int (*td_twait)(struct DriverTCB*, int, int, int* EVENTLIST_2nd(_nc_eventlist*)); 2289 int (*td_read)(struct DriverTCB*, int*); 2290 int (*td_nap)(struct DriverTCB*, int); 2291 int (*td_kpad)(struct DriverTCB*, int); 2292 int (*td_kyOk)(struct DriverTCB*, int, int); 2293 bool (*td_kyExist)(struct DriverTCB*, int); 2294 int (*td_cursorSet)(struct DriverTCB*, int); 2295 } TERM_DRIVER; 2296 2297 typedef struct DriverTCB 2298 { 2299 TERMINAL term; /* needs to be the first Element !!! */ 2300 TERM_DRIVER* drv; /* The driver for that Terminal */ 2301 SCREEN* csp; /* The screen that owns that Terminal */ 2302 TerminalInfo info; /* Driver independent core capabilities of the Terminal */ 2303 void* prop; /* Driver dependent property storage to be used by the Driver */ 2304 long magic; 2305 } TERMINAL_CONTROL_BLOCK; 2306 2307 #define NCDRV_MAGIC(id) (0x47110000 | (id&0xffff)) 2308 #define NCDRV_TINFO 0x01 2309 #define NCDRV_WINCONSOLE 0x02 2310 2311 #define TCBOf(sp) ((TERMINAL_CONTROL_BLOCK*)(TerminalOf(sp))) 2312 #define InfoOf(sp) TCBOf(sp)->info 2313 #define CallDriver(sp,method) TCBOf(sp)->drv->method(TCBOf(sp)) 2314 #define CallDriver_1(sp,method,arg1) TCBOf(sp)->drv->method(TCBOf(sp),arg1) 2315 #define CallDriver_2(sp,method,arg1,arg2) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2) 2316 #define CallDriver_3(sp,method,arg1,arg2,arg3) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2,arg3) 2317 #define CallDriver_4(sp,method,arg1,arg2,arg3,arg4) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2,arg3,arg4) 2318 2319 extern NCURSES_EXPORT_VAR(const color_t*) _nc_cga_palette; 2320 extern NCURSES_EXPORT_VAR(const color_t*) _nc_hls_palette; 2321 2322 extern NCURSES_EXPORT(int) _nc_get_driver(TERMINAL_CONTROL_BLOCK*, const char*, int*); 2323 extern NCURSES_EXPORT(void) _nc_get_screensize_ex(SCREEN *, TERMINAL *, int *, int *); 2324 #endif /* USE_TERM_DRIVER */ 2325 2326 /* 2327 * Entrypoints which are actually provided in the terminal driver, which would 2328 * be an sp-name otherwise. 2329 */ 2330 #ifdef USE_TERM_DRIVER 2331 #define TINFO_HAS_KEY _nc_tinfo_has_key 2332 #define TINFO_DOUPDATE _nc_tinfo_doupdate 2333 #define TINFO_MVCUR _nc_tinfo_mvcur 2334 extern NCURSES_EXPORT(int) TINFO_HAS_KEY(SCREEN*, int); 2335 extern NCURSES_EXPORT(int) TINFO_DOUPDATE(SCREEN *); 2336 extern NCURSES_EXPORT(int) TINFO_MVCUR(SCREEN*, int, int, int, int); 2337 #else 2338 #define TINFO_HAS_KEY NCURSES_SP_NAME(has_key) 2339 #define TINFO_DOUPDATE NCURSES_SP_NAME(doupdate) 2340 #define TINFO_MVCUR NCURSES_SP_NAME(_nc_mvcur) 2341 #endif 2342 2343 /* 2344 * Entrypoints using an extra parameter with the terminal driver. 2345 */ 2346 #ifdef USE_TERM_DRIVER 2347 extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, TERMINAL *, int *, int *); 2348 extern NCURSES_EXPORT(int) _nc_setupterm_ex(TERMINAL **, NCURSES_CONST char *, int , int *, int); 2349 #define TINFO_GET_SIZE(sp, tp, lp, cp) \ 2350 _nc_get_screensize(sp, tp, lp, cp) 2351 #define TINFO_SET_CURTERM(sp, tp) \ 2352 NCURSES_SP_NAME(set_curterm)(sp, tp) 2353 #define TINFO_SETUP_TERM(tpp, name, fd, err, reuse) \ 2354 _nc_setupterm_ex(tpp, name, fd, err, reuse) 2355 #else /* !USE_TERM_DRIVER */ 2356 extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, int *, int *); 2357 #define TINFO_GET_SIZE(sp, tp, lp, cp) \ 2358 _nc_get_screensize(sp, lp, cp) 2359 #define TINFO_SET_CURTERM(sp, tp) \ 2360 set_curterm(tp) 2361 #define TINFO_SETUP_TERM(tpp, name, fd, err, reuse) \ 2362 _nc_setupterm(name, fd, err, reuse) 2363 #endif /* !USE_TERM_DRIVER */ 2364 2365 #ifdef USE_TERM_DRIVER 2366 #if defined(USE_WIN32CON_DRIVER) 2367 #include <nc_mingw.h> 2368 extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_WIN_DRIVER; 2369 extern NCURSES_EXPORT(int) _nc_mingw_isatty(int fd); 2370 extern NCURSES_EXPORT(int) _nc_mingw_isconsole(int fd); 2371 extern NCURSES_EXPORT(int) _nc_mingw_console_read( 2372 SCREEN *sp, 2373 HANDLE fd, 2374 int *buf); 2375 extern NCURSES_EXPORT(int) _nc_mingw_testmouse( 2376 SCREEN * sp, 2377 HANDLE fd, 2378 int delay); 2379 #else 2380 #endif 2381 extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_TINFO_DRIVER; 2382 #endif 2383 2384 #if defined(USE_TERM_DRIVER) && defined(USE_WIN32CON_DRIVER) 2385 #define NC_ISATTY(fd) _nc_mingw_isatty(fd) 2386 #else 2387 #define NC_ISATTY(fd) isatty(fd) 2388 #endif 2389 2390 #ifdef USE_TERM_DRIVER 2391 # define IsTermInfo(sp) ((TCBOf(sp) != 0) && ((TCBOf(sp)->drv->isTerminfo))) 2392 # define HasTInfoTerminal(sp) ((0 != TerminalOf(sp)) && IsTermInfo(sp)) 2393 # if defined(USE_WIN32CON_DRIVER) 2394 # define IsTermInfoOnConsole(sp) (IsTermInfo(sp)&&_nc_mingw_isconsole(TerminalOf(sp)->Filedes)) 2395 #else 2396 # define IsTermInfoOnConsole(sp) FALSE 2397 # endif 2398 #else 2399 # define IsTermInfo(sp) TRUE 2400 # define HasTInfoTerminal(sp) (0 != TerminalOf(sp)) 2401 # define IsTermInfoOnConsole(sp) FALSE 2402 #endif 2403 2404 #define IsValidTIScreen(sp) (HasTInfoTerminal(sp)) 2405 2406 /* 2407 * Exported entrypoints beyond the published API 2408 */ 2409 #if NCURSES_SP_FUNCS 2410 extern NCURSES_EXPORT(WINDOW *) _nc_curscr_of(SCREEN*); 2411 extern NCURSES_EXPORT(WINDOW *) _nc_newscr_of(SCREEN*); 2412 extern NCURSES_EXPORT(WINDOW *) _nc_stdscr_of(SCREEN*); 2413 extern NCURSES_EXPORT(int) _nc_outc_wrapper(SCREEN*,int); 2414 2415 #if USE_REENTRANT 2416 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_TABSIZE)(SCREEN*); 2417 extern NCURSES_EXPORT(char *) NCURSES_SP_NAME(longname)(SCREEN*); 2418 #endif 2419 2420 #if NCURSES_EXT_FUNCS 2421 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_set_tabsize)(SCREEN*, int); 2422 #endif 2423 2424 /* 2425 * We put the safe versions of various calls here as they are not published 2426 * part of the API up to now 2427 */ 2428 extern NCURSES_EXPORT(TERMINAL*) NCURSES_SP_NAME(_nc_get_cur_term) (SCREEN *sp); 2429 extern NCURSES_EXPORT(WINDOW *) NCURSES_SP_NAME(_nc_makenew) (SCREEN*, int, int, int, int, int); 2430 extern NCURSES_EXPORT(bool) NCURSES_SP_NAME(_nc_reset_colors)(SCREEN*); 2431 extern NCURSES_EXPORT(char *) NCURSES_SP_NAME(_nc_printf_string)(SCREEN*, const char *, va_list); 2432 extern NCURSES_EXPORT(chtype) NCURSES_SP_NAME(_nc_acs_char)(SCREEN*,int); 2433 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_curs_set)(SCREEN*,int); 2434 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_get_tty_mode)(SCREEN*,TTY*); 2435 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_mcprint)(SCREEN*,char*, int); 2436 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_msec_cost)(SCREEN*, const char *, int); 2437 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_mvcur)(SCREEN*, int, int, int, int); 2438 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_outch)(SCREEN*, int); 2439 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putchar)(SCREEN*, int); 2440 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putp)(SCREEN*, const char *, const char*); 2441 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putp_flush)(SCREEN*, const char *, const char *); 2442 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_resetty)(SCREEN*); 2443 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_resize_term)(SCREEN*,int,int); 2444 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_ripoffline)(SCREEN*, int, int (*)(WINDOW *,int)); 2445 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_savetty)(SCREEN*); 2446 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scr_init)(SCREEN*,const char*); 2447 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scr_restore)(SCREEN*, const char*); 2448 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scrolln)(SCREEN*, int, int, int, int); 2449 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_set_tty_mode)(SCREEN*, TTY*); 2450 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_setupscreen)(SCREEN**, int, int, FILE *, int, int); 2451 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_tgetent)(SCREEN*,char*,const char *); 2452 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_tigetnum)(SCREEN*,NCURSES_CONST char*); 2453 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_vid_attr)(SCREEN *, attr_t, NCURSES_COLOR_T, void *); 2454 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_vidputs)(SCREEN*,chtype,int(*) (SCREEN*, int)); 2455 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_do_color)(SCREEN*, int, int, int, NCURSES_SP_OUTC); 2456 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_do_xmc_glitch)(SCREEN*, attr_t); 2457 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_flush)(SCREEN*); 2458 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_free_and_exit)(SCREEN*, int) GCC_NORETURN; 2459 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_freeall)(SCREEN*); 2460 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_hash_map)(SCREEN*); 2461 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_init_acs)(SCREEN*); 2462 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_make_oldhash)(SCREEN*, int i); 2463 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_init)(SCREEN*); 2464 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_resume)(SCREEN*); 2465 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_wrap)(SCREEN*); 2466 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_init)(SCREEN*); 2467 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_resume)(SCREEN*); 2468 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_wrap)(SCREEN*); 2469 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_scroll_oldhash)(SCREEN*, int n, int top, int bot); 2470 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_scroll_optimize)(SCREEN*); 2471 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_set_buffer)(SCREEN*, FILE *, int); 2472 2473 extern NCURSES_EXPORT(void) _nc_cookie_init(SCREEN *sp); 2474 2475 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG) 2476 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_linedump)(SCREEN*); 2477 #endif 2478 2479 #if USE_WIDEC_SUPPORT 2480 extern NCURSES_EXPORT(wchar_t *) NCURSES_SP_NAME(_nc_wunctrl)(SCREEN*, cchar_t *); 2481 #endif 2482 2483 #endif /* NCURSES_SP_FUNCS */ 2484 2485 #if NCURSES_SP_FUNCS 2486 2487 #define safe_keyname NCURSES_SP_NAME(keyname) 2488 #define safe_unctrl NCURSES_SP_NAME(unctrl) 2489 #define safe_ungetch NCURSES_SP_NAME(ungetch) 2490 2491 #else 2492 2493 #define safe_keyname _nc_keyname 2494 #define safe_unctrl _nc_unctrl 2495 #define safe_ungetch _nc_ungetch 2496 2497 extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_keyname (SCREEN *, int); 2498 extern NCURSES_EXPORT(int) _nc_ungetch (SCREEN *, int); 2499 extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_unctrl (SCREEN *, chtype); 2500 2501 #endif 2502 2503 #ifdef EXP_XTERM_1005 2504 NCURSES_EXPORT(int) _nc_conv_to_utf8(unsigned char *, unsigned, unsigned); 2505 NCURSES_EXPORT(int) _nc_conv_to_utf32(unsigned *, const char *, unsigned); 2506 #endif 2507 2508 #ifdef __cplusplus 2509 } 2510 #endif 2511 2512 /* *INDENT-ON* */ 2513 2514 #endif /* CURSES_PRIV_H */ 2515