1 /****************************************************************************
2 * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc. *
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: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
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. *
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 *
27 ****************************************************************************/
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 ****************************************************************************/
37 * $Id: curses.priv.h,v 1.477 2011/04/23 18:05:15 tom Exp $
41 * Header file for curses library objects which are private to
47 #define CURSES_PRIV_H 1
50 #include <ncurses_dll.h>
56 #include <ncurses_cfg.h>
59 #define MODULE_ID(id) static const char Ident[] = id;
61 #define MODULE_ID(id) /*nothing*/
64 #if !(defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE))
68 #include <stddef.h> /* for offsetof */
71 #include <sys/types.h>
77 #if HAVE_SYS_BSDTYPES_H
78 #include <sys/bsdtypes.h> /* needed for ISC */
83 #elif HAVE_SYS_PARAM_H
84 # include <sys/param.h>
93 # if defined(_POSIX_PATH_MAX)
94 # define PATH_MAX _POSIX_PATH_MAX
95 # elif defined(MAXPATHLEN)
96 # define PATH_MAX MAXPATHLEN
98 # define PATH_MAX 255 /* the Posix minimum path-size */
106 /* Some systems have a broken 'select()', but workable 'poll()'. Use that */
107 #if HAVE_WORKING_POLL
108 #define USE_FUNC_POLL 1
112 #include <sys/poll.h>
115 #define USE_FUNC_POLL 0
118 /* include signal.h before curses.h to work-around defect in glibc 2.1.3 */
121 /* Alessandro Rubini's GPM (general-purpose mouse) */
122 #if HAVE_LIBGPM && HAVE_GPM_H
123 #define USE_GPM_SUPPORT 1
125 #define USE_GPM_SUPPORT 0
128 /* QNX mouse support */
129 #if defined(__QNX__) && !defined(__QNXNTO__)
130 #define USE_QNX_MOUSE 1
132 #define USE_QNX_MOUSE 0
135 /* EMX mouse support */
137 #define USE_EMX_MOUSE 1
139 #define USE_EMX_MOUSE 0
142 #define DEFAULT_MAXCLICK 166
143 #define EV_MAX 8 /* size of mouse circular event queue */
146 * If we don't have signals to support it, don't add a sigwinch handler.
147 * In any case, resizing is an extended feature. Use it if we've got it.
149 #if !NCURSES_EXT_FUNCS
150 #undef HAVE_SIZECHANGE
151 #define HAVE_SIZECHANGE 0
154 #if HAVE_SIZECHANGE && USE_SIGWINCH && defined(SIGWINCH)
155 #define USE_SIZECHANGE 1
157 #define USE_SIZECHANGE 0
159 #define USE_SIGWINCH 0
163 * If desired, one can configure this, disabling environment variables that
164 * point to custom terminfo/termcap locations.
166 #ifdef USE_ROOT_ENVIRON
167 #define use_terminfo_vars() 1
169 #define use_terminfo_vars() _nc_env_access()
170 extern NCURSES_EXPORT(int) _nc_env_access (void);
174 * Not all platforms have memmove; some have an equivalent bcopy. (Some may
178 #define memmove(d,s,n) bcopy(s,d,n)
180 #define memmove(d,s,n) _nc_memmove(d,s,n)
181 extern NCURSES_EXPORT(void *) _nc_memmove (void *, const void *, size_t);
185 * If we have va_copy(), use it for assigning va_list's.
187 #if defined(HAVE___VA_COPY)
188 #define begin_va_copy(dst,src) __va_copy(dst, src)
189 #define end_va_copy(dst) va_end(dst)
190 #elif defined(va_copy) || defined(HAVE_VA_COPY)
191 #define begin_va_copy(dst,src) va_copy(dst, src)
192 #define end_va_copy(dst) va_end(dst)
194 #define begin_va_copy(dst,src) (dst) = (src)
195 #define end_va_copy(dst) /* nothing */
199 * Scroll hints are useless when hashmap is used
201 #if !USE_SCROLL_HINTS
203 #define USE_SCROLL_HINTS 1
205 #define USE_SCROLL_HINTS 0
210 #define if_USE_SCROLL_HINTS(stmt) stmt
212 #define if_USE_SCROLL_HINTS(stmt) /*nothing*/
216 * Options for terminal drivers, etc...
218 #ifdef USE_TERM_DRIVER
219 #define USE_SP_RIPOFF 1
220 #define USE_SP_TERMTYPE 1
221 #define USE_SP_WINDOWLIST 1
225 * Note: ht/cbt expansion flakes out randomly under Linux 1.1.47, but only
226 * when we're throwing control codes at the screen at high volume. To see
227 * this, re-enable USE_HARD_TABS and run worm for a while. Other systems
228 * probably don't want to define this either due to uncertainties about tab
229 * delays and expansion in raw mode.
232 #define TRIES struct tries
234 TRIES *child; /* ptr to child. NULL if none */
235 TRIES *sibling; /* ptr to sibling. NULL if none */
236 unsigned char ch; /* character at this node */
237 unsigned short value; /* code of string so far. 0 if none. */
242 * Common/troublesome character definitions
244 #define StringOf(ch) {ch, 0}
251 #define VT_ACSC "``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~"
254 * Structure for palette tables
259 short red, green, blue; /* what color_content() returns */
260 short r, g, b; /* params to init_color() */
261 int init; /* true if we called init_color() */
265 #define MAXCOLUMNS 135
267 #define FIFO_SIZE MAXCOLUMNS+2 /* for nocbreak mode input */
271 #define WINDOWLIST struct _win_list
273 #if USE_WIDEC_SUPPORT
274 #define _nc_bkgd _bkgrnd
276 #undef _XOPEN_SOURCE_EXTENDED
278 #define _nc_bkgd _bkgd
279 #define wgetbkgrnd(win, wch) *wch = win->_bkgd
280 #define wbkgrnd wbkgd
283 #undef NCURSES_OPAQUE
284 #define NCURSES_INTERNALS 1
285 #define NCURSES_OPAQUE 0
287 #include <curses.h> /* we'll use -Ipath directive to get the right one! */
290 * If curses.h did not expose the SCREEN-functions, then we do not need the
291 * parameter in the corresponding unextended functions.
294 #define USE_SP_FUNC_SUPPORT NCURSES_SP_FUNCS
295 #define USE_EXT_SP_FUNC_SUPPORT (NCURSES_SP_FUNCS && NCURSES_EXT_FUNCS)
298 #define SP_PARM sp /* use parameter */
299 #define NCURSES_SP_ARG SP_PARM
300 #define NCURSES_SP_DCL SCREEN *NCURSES_SP_ARG
301 #define NCURSES_SP_DCL0 NCURSES_SP_DCL
302 #define NCURSES_SP_ARGx NCURSES_SP_ARG,
303 #define NCURSES_SP_DCLx SCREEN *NCURSES_SP_ARGx
305 #define SP_PARM SP /* use global variable */
306 #define NCURSES_SP_ARG
307 #define NCURSES_SP_DCL
308 #define NCURSES_SP_DCL0 void
309 #define NCURSES_SP_ARGx
310 #define NCURSES_SP_DCLx
313 #include <nc_panel.h>
315 #define IsPreScreen(sp) (((sp) != 0) && sp->_prescreen)
316 #define HasTerminal(sp) (((sp) != 0) && (0 != ((sp)->_term)))
317 #define IsValidScreen(sp) (HasTerminal(sp) && !IsPreScreen(sp))
319 #if BROKEN_LINKER || USE_REENTRANT
320 #define CurTerm _nc_prescreen._cur_term
322 #define CurTerm cur_term
326 #define TerminalOf(sp) ((sp) ? ((sp)->_term ? (sp)->_term : CurTerm) : CurTerm)
328 #define TerminalOf(sp) CurTerm
334 * Reduce dependency on cur_term global by using terminfo data from SCREEN's
335 * pointer to this data.
337 #ifdef USE_SP_TERMTYPE
341 #define SP_TERMTYPE TerminalOf(sp)->type.
343 #include <term_entry.h>
345 #include <nc_tparm.h>
348 * Use these macros internally, to make tracing less verbose. But leave the
349 * option for compiling the tracing into the library.
352 #define ColorPair(n) NCURSES_BITS(n, 0)
353 #define PairNumber(a) (NCURSES_CAST(int,(((unsigned long)(a) & A_COLOR) >> NCURSES_ATTR_SHIFT)))
355 #define ColorPair(pair) COLOR_PAIR(pair)
356 #define PairNumber(attr) PAIR_NUMBER(attr)
359 #define unColor(n) unColor2(AttrOf(n))
360 #define unColor2(a) ((a) & ALL_BUT_COLOR)
363 * Extended-colors stores the color pair in a separate struct-member than the
364 * attributes. But for compatibility, we handle most cases where a program
365 * written for non-extended colors stores the color in the attributes by
366 * checking for a color pair in both places.
368 #if NCURSES_EXT_COLORS
369 #define if_EXT_COLORS(stmt) stmt
370 #define SetPair(value,p) SetPair2((value).ext_color, AttrOf(value), p)
371 #define SetPair2(c,a,p) c = (p), \
372 a = (unColor2(a) | (A_COLOR & ColorPair(oldColor(c))))
373 #define GetPair(value) GetPair2((value).ext_color, AttrOf(value))
374 #define GetPair2(c,a) ((c) ? (c) : PairNumber(a))
375 #define oldColor(p) (((p) > 255) ? 255 : (p))
376 #define GET_WINDOW_PAIR(w) GetPair2((w)->_color, (w)->_attrs)
377 #define SET_WINDOW_PAIR(w,p) (w)->_color = (p)
378 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b) && GetPair(a) == GetPair(b))
381 #define VIDATTR(sp,attr,pair) NCURSES_SP_NAME(vid_attr)(sp, attr, pair, 0)
383 #define VIDATTR(sp,attr,pair) vid_attr(attr, pair, 0)
386 #else /* !NCURSES_EXT_COLORS */
388 #define if_EXT_COLORS(stmt) /* nothing */
389 #define SetPair(value,p) RemAttr(value, A_COLOR), \
390 SetAttr(value, AttrOf(value) | (A_COLOR & (attr_t) ColorPair(p)))
391 #define GetPair(value) PairNumber(AttrOf(value))
392 #define GET_WINDOW_PAIR(w) PairNumber(WINDOW_ATTRS(w))
393 #define SET_WINDOW_PAIR(w,p) WINDOW_ATTRS(w) &= ALL_BUT_COLOR, \
394 WINDOW_ATTRS(w) |= (A_COLOR & (attr_t) ColorPair(p))
395 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b))
398 #define VIDATTR(sp,attr,pair) NCURSES_SP_NAME(vidattr)(sp, attr)
400 #define VIDATTR(sp,attr,pair) vidattr(attr)
403 #endif /* NCURSES_EXT_COLORS */
405 #if NCURSES_NO_PADDING
406 #define GetNoPadding(sp) ((sp) ? (sp)->_no_padding : _nc_prescreen._no_padding)
407 #define SetNoPadding(sp) _nc_set_no_padding(sp)
408 extern NCURSES_EXPORT(void) _nc_set_no_padding(SCREEN *);
410 #define GetNoPadding(sp) FALSE
411 #define SetNoPadding(sp) /*nothing*/
414 #define WINDOW_ATTRS(w) ((w)->_attrs)
416 #define SCREEN_ATTRS(s) (*((s)->_current_attr))
417 #define GET_SCREEN_PAIR(s) GetPair(SCREEN_ATTRS(s))
418 #define SET_SCREEN_PAIR(s,p) SetPair(SCREEN_ATTRS(s), p)
420 #if USE_REENTRANT || NCURSES_SP_FUNCS
421 NCURSES_EXPORT(int *) _nc_ptr_Lines (SCREEN *);
422 NCURSES_EXPORT(int *) _nc_ptr_Cols (SCREEN *);
423 NCURSES_EXPORT(int *) _nc_ptr_Tabsize (SCREEN *);
424 NCURSES_EXPORT(int *) _nc_ptr_Escdelay (SCREEN *);
429 #define ptrLines(sp) (sp ? &(sp->_LINES) : &(_nc_prescreen._LINES))
430 #define ptrCols(sp) (sp ? &(sp->_COLS) : &(_nc_prescreen._COLS))
431 #define ptrTabsize(sp) (sp ? &(sp->_TABSIZE) : &(_nc_prescreen._TABSIZE))
432 #define ptrEscdelay(sp) (sp ? &(sp->_ESCDELAY) : &(_nc_prescreen._ESCDELAY))
434 #define SET_LINES(value) *_nc_ptr_Lines(SP_PARM) = value
435 #define SET_COLS(value) *_nc_ptr_Cols(SP_PARM) = value
436 #define SET_TABSIZE(value) *_nc_ptr_Tabsize(SP_PARM) = value
437 #define SET_ESCDELAY(value) *_nc_ptr_Escdelay(SP_PARM) = value
441 #define ptrLines(sp) &LINES
442 #define ptrCols(sp) &COLS
443 #define ptrTabsize(sp) &TABSIZE
444 #define ptrEscdelay(sp) &ESCDELAY
446 #define SET_LINES(value) LINES = value
447 #define SET_COLS(value) COLS = value
448 #define SET_TABSIZE(value) TABSIZE = value
449 #define SET_ESCDELAY(value) ESCDELAY = value
453 #define TR_MUTEX(data) _tracef("%s@%d: me:%08lX COUNT:%2u/%2d/%6d/%2d/%s%9u: " #data, \
454 __FILE__, __LINE__, \
455 (unsigned long) (pthread_self()), \
456 data.__data.__lock, \
457 data.__data.__count, \
458 data.__data.__owner, \
459 data.__data.__kind, \
460 (data.__data.__nusers > 5) ? " OOPS " : "", \
461 data.__data.__nusers)
462 #define TR_GLOBAL_MUTEX(name) TR_MUTEX(_nc_globals.mutex_##name)
465 #if defined(__GNUC__)
466 # if defined __USE_ISOC99
467 # define _cat_pragma(exp) _Pragma(#exp)
468 # define _weak_pragma(exp) _cat_pragma(weak name)
470 # define _weak_pragma(exp)
472 # define _declare(name) __extension__ extern __typeof__(name) name
473 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
481 extern NCURSES_EXPORT(void) _nc_init_pthreads(void);
482 extern NCURSES_EXPORT(void) _nc_mutex_init(pthread_mutex_t *);
483 extern NCURSES_EXPORT(int) _nc_mutex_lock(pthread_mutex_t *);
484 extern NCURSES_EXPORT(int) _nc_mutex_trylock(pthread_mutex_t *);
485 extern NCURSES_EXPORT(int) _nc_mutex_unlock(pthread_mutex_t *);
486 #define _nc_lock_global(name) _nc_mutex_lock(&_nc_globals.mutex_##name)
487 #define _nc_try_global(name) _nc_mutex_trylock(&_nc_globals.mutex_##name)
488 #define _nc_unlock_global(name) _nc_mutex_unlock(&_nc_globals.mutex_##name)
491 #error POSIX threads requires --enable-reentrant option
495 # if USE_WEAK_SYMBOLS
496 weak_symbol(pthread_sigmask);
497 weak_symbol(pthread_kill);
498 weak_symbol(pthread_self);
499 weak_symbol(pthread_equal);
500 weak_symbol(pthread_mutex_init);
501 weak_symbol(pthread_mutex_lock);
502 weak_symbol(pthread_mutex_unlock);
503 weak_symbol(pthread_mutex_trylock);
504 weak_symbol(pthread_mutexattr_settype);
505 weak_symbol(pthread_mutexattr_init);
506 extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *);
508 # define sigprocmask _nc_sigprocmask
513 #undef HAVE_NANOSLEEP
514 #define HAVE_NANOSLEEP 0 /* nanosleep suspends all threads */
517 #else /* !USE_PTHREADS */
519 #if USE_PTHREADS_EINTR
520 # if USE_WEAK_SYMBOLS
522 weak_symbol(pthread_sigmask);
523 weak_symbol(pthread_kill);
524 weak_symbol(pthread_self);
525 weak_symbol(pthread_equal);
526 extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *);
528 # define sigprocmask _nc_sigprocmask
530 #endif /* USE_PTHREADS_EINTR */
532 #define _nc_init_pthreads() /* nothing */
533 #define _nc_mutex_init(obj) /* nothing */
535 #define _nc_lock_global(name) /* nothing */
536 #define _nc_try_global(name) 0
537 #define _nc_unlock_global(name) /* nothing */
539 #endif /* USE_PTHREADS */
542 * When using sp-funcs, locks are targeted to SCREEN-level granularity.
543 * So the locking is done in the non-sp-func (which calls the sp-func) rather
544 * than in the sp-func itself.
546 * Use the _nc_nonsp_XXX functions in the function using "NCURSES_SP_NAME()".
547 * Use the _nc_sp_XXX functions in the function using "#if NCURSES_SP_FUNCS".
551 #define _nc_nonsp_lock_global(name) /* nothing */
552 #define _nc_nonsp_try_global(name) 0
553 #define _nc_nonsp_unlock_global(name) /* nothing */
555 #define _nc_sp_lock_global(name) _nc_lock_global(name)
556 #define _nc_sp_try_global(name) _nc_try_global(name)
557 #define _nc_sp_unlock_global(name) _nc_unlock_global(name)
561 #define _nc_nonsp_lock_global(name) _nc_lock_global(name)
562 #define _nc_nonsp_try_global(name) _nc_try_global(name)
563 #define _nc_nonsp_unlock_global(name) _nc_unlock_global(name)
565 #define _nc_sp_lock_global(name) /* nothing */
566 #define _nc_sp_try_global(name) 0
567 #define _nc_sp_unlock_global(name) /* nothing */
571 #if HAVE_GETTIMEOFDAY
572 # define PRECISE_GETTIME 1
573 # define TimeType struct timeval
575 # define PRECISE_GETTIME 0
576 # define TimeType time_t
580 * Definitions for color pairs
582 typedef unsigned colorpair_t; /* type big enough to store PAIR_OF() */
583 #define C_SHIFT 9 /* we need more bits than there are colors */
584 #define C_MASK ((1 << C_SHIFT) - 1)
585 #define PAIR_OF(fg, bg) (colorpair_t) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK))
586 #define FORE_OF(c) (((c) >> C_SHIFT) & C_MASK)
587 #define BACK_OF(c) ((c) & C_MASK)
588 #define isDefaultColor(c) ((c) >= COLOR_DEFAULT || (c) < 0)
590 #define COLOR_DEFAULT C_MASK
592 #if defined(USE_BUILD_CC) || (defined(USE_TERMLIB) && !defined(NEED_NCURSES_CH_T))
594 #undef NCURSES_CH_T /* this is not a termlib feature */
595 #define NCURSES_CH_T void /* ...but we need a pointer in SCREEN */
597 #endif /* USE_TERMLIB */
602 NCURSES_CH_T *text; /* text of the line */
603 NCURSES_SIZE_T firstchar; /* first changed character in the line */
604 NCURSES_SIZE_T lastchar; /* last changed character in the line */
605 NCURSES_SIZE_T oldindex; /* index of the line at last update */
607 #endif /* USE_TERMLIB */
610 M_XTERM = -1 /* use xterm's mouse tracking? */
611 ,M_NONE = 0 /* no mouse device */
616 ,M_SYSMOUSE /* FreeBSD sysmouse on console */
618 #ifdef USE_TERM_DRIVER
619 ,M_TERM_DRIVER /* Win32 console, etc */
624 * Structures for scrolling.
628 unsigned long hashval;
629 int oldcount, newcount;
630 int oldindex, newindex;
634 * Structures for soft labels.
639 #if !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
643 char *ent_text; /* text for the label */
644 char *form_text; /* formatted text (left/center/...) */
645 int ent_x; /* x coordinate of this field */
646 char dirty; /* this label has changed */
647 char visible; /* field is visible */
650 typedef struct _SLK {
651 bool dirty; /* all labels have changed */
652 bool hidden; /* soft labels are hidden */
655 short maxlab; /* number of available labels */
656 short labcnt; /* number of allocated labels */
657 short maxlen; /* length of labels */
658 NCURSES_CH_T attr; /* soft label attribute */
661 #endif /* USE_TERMLIB */
664 WINDOW *win; /* the window used in the hook */
665 int line; /* lines to take, < 0 => from bottom*/
666 int (*hook)(WINDOW *, int); /* callback for user */
670 #undef buttons /* term.h defines this, and gpm uses it! */
674 /* link dynamically to GPM */
675 typedef int *TYPE_gpm_fd;
676 typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int);
677 typedef int (*TYPE_Gpm_Close) (void);
678 typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *);
680 #define my_gpm_fd SP_PARM->_mouse_gpm_fd
681 #define my_Gpm_Open SP_PARM->_mouse_Gpm_Open
682 #define my_Gpm_Close SP_PARM->_mouse_Gpm_Close
683 #define my_Gpm_GetEvent SP_PARM->_mouse_Gpm_GetEvent
685 /* link statically to GPM */
686 #define my_gpm_fd &gpm_fd
687 #define my_Gpm_Open Gpm_Open
688 #define my_Gpm_Close Gpm_Close
689 #define my_Gpm_GetEvent Gpm_GetEvent
690 #endif /* HAVE_LIBDL */
691 #endif /* USE_GPM_SUPPORT */
696 char *fix_sgr0; /* this holds the filtered sgr0 string */
697 char *last_bufp; /* help with fix_sgr0 leak */
701 #define TGETENT_MAX 4
722 const char *tparam_base;
724 STACK_FRAME stack[STACKSIZE];
734 int dynamic_var[NUM_VARS];
735 int static_vars[NUM_VARS];
744 * The filesystem database normally uses a single-letter for the lower level
745 * of directories. Use a hexadecimal code for filesystems which do not
746 * preserve mixed-case names.
748 #if MIXEDCASE_FILENAMES
749 #define LEAF_FMT "%c"
752 #define LEAF_FMT "%02x"
757 * TRACEMSE_FMT is no longer than 80 columns, there are 5 numbers that
758 * could at most have 10 digits, and the mask contains no more than 32 bits
759 * with each bit representing less than 15 characters. Usually the whole
760 * string is less than 80 columns, but this buffer size is an absolute
763 #define TRACEMSE_MAX (80 + (5 * 10) + (32 * 15))
764 #define TRACEMSE_FMT "id %2d at (%2d, %2d, %2d) state %4lx = {" /* } */
766 #ifdef USE_TERM_DRIVER
767 struct DriverTCB; /* Terminal Control Block forward declaration */
768 #define INIT_TERM_DRIVER() _nc_globals.term_driver = _nc_get_driver
770 #define INIT_TERM_DRIVER() /* nothing */
774 * Global data which is not specific to a screen.
777 SIG_ATOMIC_T have_sigwinch;
778 SIG_ATOMIC_T cleanup_nested;
783 const char *comp_sourcename;
786 bool have_tic_directory;
787 bool keep_tic_directory;
788 const char *tic_directory;
794 char **keyname_table;
799 size_t safeprint_used;
801 TGETENT_CACHE tgetent_cache[TGETENT_MAX];
803 long tgetent_sequence;
805 #ifndef USE_SP_WINDOWLIST
806 WINDOWLIST *_nc_windowlist;
807 #define WindowList(sp) _nc_globals._nc_windowlist
810 #if USE_HOME_TERMINFO
814 #if !USE_SAFE_SPRINTF
819 #ifdef USE_TERM_DRIVER
820 int (*term_driver)(struct DriverTCB*, const char*, int*);
825 char trace_fname[PATH_MAX];
830 size_t tracearg_used;
832 TRACEBUF *tracebuf_ptr;
833 size_t tracebuf_used;
835 char tracechr_buf[40];
838 size_t tracedmp_used;
840 unsigned char *tracetry_buf;
841 size_t tracetry_used;
843 char traceatr_color_buf[2][80];
844 int traceatr_color_sel;
845 int traceatr_color_last;
846 #if !defined(USE_PTHREADS) && USE_REENTRANT
852 pthread_mutex_t mutex_curses;
853 pthread_mutex_t mutex_tst_tracef;
854 pthread_mutex_t mutex_tracef;
857 #define _nc_use_pthreads _nc_globals.use_pthreads
859 #if USE_PTHREADS_EINTR
860 pthread_t read_thread; /* The reading thread */
864 extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals;
869 * Global data which can be swept up into a SCREEN when one is created.
870 * It may be modified before the next SCREEN is created.
875 attr_t previous_attr;
876 #ifndef USE_SP_RIPOFF
877 ripoff_t rippedoff[N_RIPS];
880 TPARM_STATE tparm_state;
881 TTY *saved_tty; /* savetty/resetty information */
882 #if NCURSES_NO_PADDING
883 bool _no_padding; /* flag to set if padding disabled */
885 NCURSES_SP_OUTC _outch; /* output handler if not putc */
886 #if BROKEN_LINKER || USE_REENTRANT
887 chtype *real_acs_map;
895 const char *_tputs_trace;
901 * Use screen-specific ripoff data (for softkeys) rather than global.
904 #define safe_ripoff_sp (sp)->rsp
905 #define safe_ripoff_stack (sp)->rippedoff
907 #define safe_ripoff_sp _nc_prescreen.rsp
908 #define safe_ripoff_stack _nc_prescreen.rippedoff
911 extern NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen;
914 * The SCREEN structure.
918 int _ifd; /* input file ptr for screen */
919 FILE *_ofp; /* output file ptr for screen */
920 char *_setbuf; /* buffered I/O for output */
921 bool _filtered; /* filter() was called */
922 bool _buffered; /* setvbuf uses _setbuf data */
923 bool _prescreen; /* is in prescreen phase */
924 bool _use_env; /* LINES & COLS from environment? */
925 int _checkfd; /* filedesc for typeahead check */
926 TERMINAL *_term; /* terminal type information */
927 TTY _saved_tty; /* savetty/resetty information */
928 NCURSES_SIZE_T _lines; /* screen lines */
929 NCURSES_SIZE_T _columns; /* screen columns */
931 NCURSES_SIZE_T _lines_avail; /* lines available for stdscr */
932 NCURSES_SIZE_T _topstolen; /* lines stolen from top */
934 WINDOW *_curscr; /* current screen */
935 WINDOW *_newscr; /* virtual screen to be updated to */
936 WINDOW *_stdscr; /* screen's full-window context */
938 #define CurScreen(sp) (sp)->_curscr
939 #define NewScreen(sp) (sp)->_newscr
940 #define StdScreen(sp) (sp)->_stdscr
942 TRIES *_keytry; /* "Try" for use with keypad mode */
943 TRIES *_key_ok; /* Disabled keys via keyok(,FALSE) */
944 bool _tried; /* keypad mode was initialized */
945 bool _keypad_on; /* keypad mode is currently on */
947 bool _called_wgetch; /* check for recursion in wgetch() */
948 int _fifo[FIFO_SIZE]; /* input push-back buffer */
949 short _fifohead, /* head of fifo queue */
950 _fifotail, /* tail of fifo queue */
951 _fifopeek, /* where to peek for next char */
952 _fifohold; /* set if breakout marked */
954 int _endwin; /* are we out of window mode? */
955 NCURSES_CH_T *_current_attr; /* holds current attributes set */
956 int _coloron; /* is color enabled? */
957 int _color_defs; /* are colors modified */
958 int _cursor; /* visibility of the cursor */
959 int _cursrow; /* physical cursor row */
960 int _curscol; /* physical cursor column */
961 bool _notty; /* true if we cannot switch non-tty */
962 int _nl; /* True if NL -> CR/NL is on */
963 int _raw; /* True if in raw mode */
964 int _cbreak; /* 1 if in cbreak mode */
965 /* > 1 if in halfdelay mode */
966 int _echo; /* True if echo on */
967 int _use_meta; /* use the meta key? */
968 struct _SLK *_slk; /* ptr to soft key struct / NULL */
969 int slk_format; /* selected format for this screen */
970 /* cursor movement costs; units are 10ths of milliseconds */
971 #if NCURSES_NO_PADDING
972 bool _no_padding; /* flag to set if padding disabled */
974 int _char_padding; /* cost of character put */
975 int _cr_cost; /* cost of (carriage_return) */
976 int _cup_cost; /* cost of (cursor_address) */
977 int _home_cost; /* cost of (cursor_home) */
978 int _ll_cost; /* cost of (cursor_to_ll) */
980 int _ht_cost; /* cost of (tab) */
981 int _cbt_cost; /* cost of (backtab) */
982 #endif /* USE_HARD_TABS */
983 int _cub1_cost; /* cost of (cursor_left) */
984 int _cuf1_cost; /* cost of (cursor_right) */
985 int _cud1_cost; /* cost of (cursor_down) */
986 int _cuu1_cost; /* cost of (cursor_up) */
987 int _cub_cost; /* cost of (parm_cursor_left) */
988 int _cuf_cost; /* cost of (parm_cursor_right) */
989 int _cud_cost; /* cost of (parm_cursor_down) */
990 int _cuu_cost; /* cost of (parm_cursor_up) */
991 int _hpa_cost; /* cost of (column_address) */
992 int _vpa_cost; /* cost of (row_address) */
993 /* used in tty_update.c, must be chars */
994 int _ed_cost; /* cost of (clr_eos) */
995 int _el_cost; /* cost of (clr_eol) */
996 int _el1_cost; /* cost of (clr_bol) */
997 int _dch1_cost; /* cost of (delete_character) */
998 int _ich1_cost; /* cost of (insert_character) */
999 int _dch_cost; /* cost of (parm_dch) */
1000 int _ich_cost; /* cost of (parm_ich) */
1001 int _ech_cost; /* cost of (erase_chars) */
1002 int _rep_cost; /* cost of (repeat_char) */
1003 int _hpa_ch_cost; /* cost of (column_address) */
1004 int _cup_ch_cost; /* cost of (cursor_address) */
1005 int _cuf_ch_cost; /* cost of (parm_cursor_right) */
1006 int _inline_cost; /* cost of inline-move */
1007 int _smir_cost; /* cost of (enter_insert_mode) */
1008 int _rmir_cost; /* cost of (exit_insert_mode) */
1009 int _ip_cost; /* cost of (insert_padding) */
1010 /* used in lib_mvcur.c */
1011 char * _address_cursor;
1012 /* used in tty_update.c */
1013 int _scrolling; /* 1 if terminal's smart enough to */
1015 /* used in lib_color.c */
1016 color_t *_color_table; /* screen's color palette */
1017 int _color_count; /* count of colors in palette */
1018 colorpair_t *_color_pairs; /* screen's color pair list */
1019 int _pair_count; /* count of color pairs */
1020 int _pair_limit; /* actual limit of color-pairs */
1021 #if NCURSES_EXT_FUNCS
1022 bool _assumed_color; /* use assumed colors */
1023 bool _default_color; /* use default colors */
1024 bool _has_sgr_39_49; /* has ECMA default color support */
1025 int _default_fg; /* assumed default foreground */
1026 int _default_bg; /* assumed default background */
1027 int _default_pairs; /* count pairs using default color */
1029 chtype _ok_attributes; /* valid attributes for terminal */
1030 chtype _xmc_suppress; /* attributes to suppress if xmc */
1031 chtype _xmc_triggers; /* attributes to process if xmc */
1032 chtype * _acs_map; /* the real alternate-charset map */
1033 bool * _screen_acs_map;
1036 /* used in lib_vidattr.c */
1037 bool _use_rmso; /* true if we may use 'rmso' */
1038 bool _use_rmul; /* true if we may use 'rmul' */
1041 * These data correspond to the state of the idcok() and idlok()
1042 * functions. A caveat is in order here: the XSI and SVr4
1043 * documentation specify that these functions apply to the window which
1044 * is given as an argument. However, ncurses implements this logic
1045 * only for the newscr/curscr update process, _not_ per-window.
1051 * These are the data that support the mouse interface.
1053 bool _mouse_initialized;
1054 MouseType _mouse_type;
1056 bool (*_mouse_event) (SCREEN *);
1057 bool (*_mouse_inline)(SCREEN *);
1058 bool (*_mouse_parse) (SCREEN *, int);
1059 void (*_mouse_resume)(SCREEN *);
1060 void (*_mouse_wrap) (SCREEN *);
1061 int _mouse_fd; /* file-descriptor, if any */
1062 bool _mouse_active; /* true if initialized */
1063 mmask_t _mouse_mask;
1064 NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */
1065 MEVENT _mouse_events[EV_MAX]; /* hold the last mouse event seen */
1066 MEVENT *_mouse_eventp; /* next free slot in event queue */
1069 bool _mouse_gpm_loaded;
1070 bool _mouse_gpm_found;
1073 TYPE_gpm_fd _mouse_gpm_fd;
1074 TYPE_Gpm_Open _mouse_Gpm_Open;
1075 TYPE_Gpm_Close _mouse_Gpm_Close;
1076 TYPE_Gpm_GetEvent _mouse_Gpm_GetEvent;
1078 Gpm_Connect _mouse_gpm_connect;
1079 #endif /* USE_GPM_SUPPORT */
1083 int _emxmouse_thread;
1084 int _emxmouse_activated;
1085 char _emxmouse_buttons[4];
1089 MEVENT _sysmouse_fifo[FIFO_SIZE];
1092 int _sysmouse_char_width; /* character width */
1093 int _sysmouse_char_height; /* character height */
1094 int _sysmouse_old_buttons;
1095 int _sysmouse_new_buttons;
1098 #ifdef USE_TERM_DRIVER
1099 MEVENT _drv_mouse_fifo[FIFO_SIZE];
1100 int _drv_mouse_head;
1101 int _drv_mouse_tail;
1102 int _drv_mouse_old_buttons;
1103 int _drv_mouse_new_buttons;
1106 * This supports automatic resizing
1109 int (*_resize)(NCURSES_SP_DCLx int y, int x);
1113 * These are data that support the proper handling of the panel stack on an
1116 struct panelhook _panelHook;
1119 SCREEN *_next_screen;
1121 /* hashes for old and new lines */
1122 unsigned long *oldhash, *newhash;
1128 bool _cleanup; /* cleanup after int/quit signal */
1129 NCURSES_SP_OUTC _outch; /* output handler if not putc */
1131 int _legacy_coding; /* see use_legacy_coding() */
1134 char _ttytype[NAMESIZE];
1141 const char *_tputs_trace;
1146 char tracechr_buf[40];
1147 char tracemse_buf[TRACEMSE_MAX];
1149 #ifdef USE_SP_WINDOWLIST
1150 WINDOWLIST* _windowlist;
1151 #define WindowList(sp) (sp)->_windowlist
1155 ripoff_t rippedoff[N_RIPS];
1159 * ncurses/ncursesw are the same up to this point.
1161 #if USE_WIDEC_SUPPORT
1162 /* recent versions of 'screen' have partially-working support for
1163 * UTF-8, but do not permit ACS at the same time (see tty_update.c).
1165 bool _screen_acs_fix;
1169 extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain;
1170 extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
1174 SCREEN *screen; /* screen containing the window */
1175 WINDOW win; /* WINDOW_EXT() needs to account for offset */
1176 #ifdef NCURSES_WIDECHAR
1177 char addch_work[(MB_LEN_MAX * 9) + 1];
1178 unsigned addch_used; /* number of bytes in addch_work[] */
1179 int addch_x; /* x-position for addch_work[] */
1180 int addch_y; /* y-position for addch_work[] */
1184 #define WINDOW_EXT(w,m) (((WINDOWLIST *)((void *)((char *)(w) - offsetof(WINDOWLIST, win))))->m)
1186 #define SP_PRE_INIT(sp) \
1187 sp->_cursrow = -1; \
1188 sp->_curscol = -1; \
1193 sp->_fifohead = -1; \
1194 sp->_endwin = TRUE; \
1196 WindowList(sp) = 0; \
1197 sp->_outch = NCURSES_SP_NAME(_nc_outch); \
1200 /* usually in <limits.h> */
1202 #define UCHAR_MAX 255
1205 /* The terminfo source is assumed to be 7-bit ASCII */
1206 #define is7bits(c) ((unsigned)(c) < 128)
1208 /* Checks for isprint() should be done on 8-bit characters (non-wide) */
1209 #define is8bits(c) ((unsigned)(c) <= UCHAR_MAX)
1212 #define min(a,b) ((a) > (b) ? (b) : (a))
1216 #define max(a,b) ((a) < (b) ? (b) : (a))
1219 /* usually in <unistd.h> */
1220 #ifndef STDIN_FILENO
1221 #define STDIN_FILENO 0
1224 #ifndef STDOUT_FILENO
1225 #define STDOUT_FILENO 1
1228 #ifndef STDERR_FILENO
1229 #define STDERR_FILENO 2
1232 #ifndef EXIT_SUCCESS
1233 #define EXIT_SUCCESS 0
1236 #ifndef EXIT_FAILURE
1237 #define EXIT_FAILURE 1
1241 #define R_OK 4 /* Test for read permission. */
1244 #define W_OK 2 /* Test for write permission. */
1247 #define X_OK 1 /* Test for execute permission. */
1250 #define F_OK 0 /* Test for existence. */
1254 #include <fcntl.h> /* may define O_BINARY */
1263 #define COUNT_OUTCHARS(n) _nc_count_outchars(n);
1265 #define COUNT_OUTCHARS(n) _nc_outchars += (n);
1268 #define COUNT_OUTCHARS(n) /* nothing */
1271 #define RESET_OUTCHARS() COUNT_OUTCHARS(-_nc_outchars)
1273 #define UChar(c) ((unsigned char)(c))
1274 #define UShort(c) ((unsigned short)(c))
1275 #define ChCharOf(c) ((c) & (chtype)A_CHARTEXT)
1276 #define ChAttrOf(c) ((c) & (chtype)A_ATTRIBUTES)
1279 #define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */
1282 #if USE_WIDEC_SUPPORT /* { */
1283 #define isEILSEQ(status) (((size_t)status == (size_t)-1) && (errno == EILSEQ))
1285 #define init_mb(state) memset(&state, 0, sizeof(state))
1287 #if NCURSES_EXT_COLORS
1288 #define NulColor , 0
1290 #define NulColor /* nothing */
1293 #define NulChar 0,0,0,0 /* FIXME: see CCHARW_MAX */
1294 #define CharOf(c) ((c).chars[0])
1295 #define AttrOf(c) ((c).attr)
1297 #define AddAttr(c,a) AttrOf(c) |= ((a) & A_ATTRIBUTES)
1298 #define RemAttr(c,a) AttrOf(c) &= ~((a) & A_ATTRIBUTES)
1299 #define SetAttr(c,a) AttrOf(c) = ((a) & A_ATTRIBUTES) | WidecExt(c)
1301 #define NewChar2(c,a) { a, { c, NulChar } NulColor }
1302 #define NewChar(ch) NewChar2(ChCharOf(ch), ChAttrOf(ch))
1305 #define CharEq(a,b) (((a).attr == (b).attr) \
1306 && (a).chars[0] == (b).chars[0] \
1307 && (a).chars[1] == (b).chars[1] \
1308 && (a).chars[2] == (b).chars[2] \
1309 && (a).chars[3] == (b).chars[3] \
1310 && (a).chars[4] == (b).chars[4] \
1311 if_EXT_COLORS(&& (a).ext_color == (b).ext_color))
1313 #define CharEq(a,b) (!memcmp(&(a), &(b), sizeof(a)))
1316 #define SetChar(ch,c,a) do { \
1317 NCURSES_CH_T *_cp = &ch; \
1318 memset(_cp, 0, sizeof(ch)); \
1319 _cp->chars[0] = (wchar_t) (c); \
1321 if_EXT_COLORS(SetPair(ch, PairNumber(a))); \
1323 #define CHREF(wch) (&wch)
1324 #define CHDEREF(wch) (*wch)
1325 #define ARG_CH_T NCURSES_CH_T *
1326 #define CARG_CH_T const NCURSES_CH_T *
1327 #define PUTC_DATA char PUTC_buf[MB_LEN_MAX]; int PUTC_i, PUTC_n; \
1328 mbstate_t PUT_st; wchar_t PUTC_ch
1329 #define PUTC_INIT init_mb (PUT_st)
1330 #define PUTC(ch,b) do { if(!isWidecExt(ch)) { \
1331 if (Charable(ch)) { \
1332 fputc(CharOf(ch), b); \
1333 COUNT_OUTCHARS(1); \
1336 for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) { \
1337 PUTC_ch = (ch).chars[PUTC_i]; \
1338 if (PUTC_ch == L'\0') \
1340 PUTC_n = (int) wcrtomb(PUTC_buf, \
1341 (ch).chars[PUTC_i], &PUT_st); \
1342 if (PUTC_n <= 0) { \
1343 if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) \
1347 IGNORE_RC(fwrite(PUTC_buf, (unsigned) PUTC_n, 1, b)); \
1349 COUNT_OUTCHARS(PUTC_i); \
1352 #define BLANK NewChar2(' ', WA_NORMAL)
1353 #define ZEROS NewChar2('\0', WA_NORMAL)
1354 #define ISBLANK(ch) ((ch).chars[0] == L' ' && (ch).chars[1] == L'\0')
1357 * Wide characters cannot be represented in the A_CHARTEXT mask of
1358 * attr_t's but an application might have set a narrow character there.
1359 * But even in that case, it would only be a printable character, or
1360 * zero. Otherwise we can use those bits to tell if a cell is the
1361 * first or extension part of a wide character.
1363 #define WidecExt(ch) (int) (AttrOf(ch) & A_CHARTEXT)
1364 #define isWidecBase(ch) (WidecExt(ch) == 1)
1365 #define isWidecExt(ch) (WidecExt(ch) > 1 && WidecExt(ch) < 32)
1366 #define SetWidecExt(dst, ext) AttrOf(dst) &= ~A_CHARTEXT, \
1367 AttrOf(dst) |= (attr_t) (ext + 1)
1369 #define if_WIDEC(code) code
1370 #define Charable(ch) ((SP_PARM != 0 && SP_PARM->_legacy_coding) \
1371 || (AttrOf(ch) & A_ALTCHARSET) \
1372 || (!isWidecExt(ch) && \
1373 (ch).chars[1] == L'\0' && \
1374 _nc_is_charable(CharOf(ch))))
1376 #define L(ch) L ## ch
1378 #define CharOf(c) ChCharOf(c)
1379 #define AttrOf(c) ChAttrOf(c)
1380 #define AddAttr(c,a) c |= (a)
1381 #define RemAttr(c,a) c &= ~((a) & A_ATTRIBUTES)
1382 #define SetAttr(c,a) c = ((c) & ~A_ATTRIBUTES) | (a)
1383 #define NewChar(ch) (ch)
1384 #define NewChar2(c,a) ((c) | (a))
1385 #define CharEq(a,b) ((a) == (b))
1386 #define SetChar(ch,c,a) ch = (c) | (a)
1387 #define CHREF(wch) wch
1388 #define CHDEREF(wch) wch
1389 #define ARG_CH_T NCURSES_CH_T
1390 #define CARG_CH_T NCURSES_CH_T
1391 #define PUTC_DATA int data = 0
1392 #define PUTC(ch,b) do { data = CharOf(ch); putc(data,b); } while (0)
1394 #define BLANK (' '|A_NORMAL)
1395 #define ZEROS ('\0'|A_NORMAL)
1396 #define ISBLANK(ch) (CharOf(ch) == ' ')
1398 #define isWidecExt(ch) (0)
1399 #define if_WIDEC(code) /* nothing */
1404 #define AttrOfD(ch) AttrOf(CHDEREF(ch))
1405 #define CharOfD(ch) CharOf(CHDEREF(ch))
1406 #define SetChar2(wch,ch) SetChar(wch,ChCharOf(ch),ChAttrOf(ch))
1408 #define BLANK_ATTR A_NORMAL
1409 #define BLANK_TEXT L(' ')
1413 #define LEGALYX(w, y, x) \
1415 ((x) >= 0 && (x) <= (w)->_maxx && \
1416 (y) >= 0 && (y) <= (w)->_maxy))
1418 #define CHANGED_CELL(line,col) \
1419 if (line->firstchar == _NOCHANGE) \
1420 line->firstchar = line->lastchar = (NCURSES_SIZE_T) col; \
1421 else if ((col) < line->firstchar) \
1422 line->firstchar = (NCURSES_SIZE_T) col; \
1423 else if ((col) > line->lastchar) \
1424 line->lastchar = (NCURSES_SIZE_T) col
1426 #define CHANGED_RANGE(line,start,end) \
1427 if (line->firstchar == _NOCHANGE \
1428 || line->firstchar > (start)) \
1429 line->firstchar = (NCURSES_SIZE_T) start; \
1430 if (line->lastchar == _NOCHANGE \
1431 || line->lastchar < (end)) \
1432 line->lastchar = (NCURSES_SIZE_T) end
1434 #define CHANGED_TO_EOL(line,start,end) \
1435 if (line->firstchar == _NOCHANGE \
1436 || line->firstchar > (start)) \
1437 line->firstchar = (NCURSES_SIZE_T) start; \
1438 line->lastchar = (NCURSES_SIZE_T) end
1440 #define SIZEOF(v) (sizeof(v)/sizeof(v[0]))
1442 #define FreeIfNeeded(p) if ((p) != 0) free(p)
1444 /* FreeAndNull() is not a comma-separated expression because some compilers
1445 * do not accept a mixture of void with values.
1447 #define FreeAndNull(p) free(p); p = 0
1449 #include <nc_alloc.h>
1452 * TTY bit definition for converting tabs to spaces.
1455 # define OFLAGS_TABS TAB3 /* POSIX specifies TAB3 */
1458 # define OFLAGS_TABS XTABS /* XTABS is usually the "same" */
1461 # define OFLAGS_TABS OXTABS /* the traditional BSD equivalent */
1463 # define OFLAGS_TABS 0
1469 * Standardize/simplify common loops
1471 #define each_screen(p) p = _nc_screen_chain; p != 0; p = (p)->_next_screen
1472 #define each_window(sp,p) p = WindowList(sp); p != 0; p = (p)->next
1473 #define each_ripoff(p) p = safe_ripoff_stack; (p - safe_ripoff_stack) < N_RIPS; ++p
1476 * Prefixes for call/return points of library function traces. We use these to
1477 * instrument the public functions so that the traces can be easily transformed
1478 * into regression scripts.
1480 #define T_CALLED(fmt) "called {" fmt
1481 #define T_CREATE(fmt) "create :" fmt
1482 #define T_RETURN(fmt) "return }" fmt
1487 #define TPUTS_TRACE(s) _nc_set_tputs_trace(s);
1489 #define TPUTS_TRACE(s) _nc_tputs_trace = s;
1492 #define START_TRACE() \
1493 if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \
1494 int t = _nc_getenv_num("NCURSES_TRACE"); \
1496 trace((unsigned) t); \
1500 * Many of the _tracef() calls use static buffers; lock the trace state before
1501 * trying to fill them.
1504 #define USE_TRACEF(mask) _nc_use_tracef(mask)
1505 extern NCURSES_EXPORT(int) _nc_use_tracef (unsigned);
1506 extern NCURSES_EXPORT(void) _nc_locked_tracef (const char *, ...) GCC_PRINTFLIKE(1,2);
1508 #define USE_TRACEF(mask) (_nc_tracing & (mask))
1509 #define _nc_locked_tracef _tracef
1512 #define TR(n, a) if (USE_TRACEF(n)) _nc_locked_tracef a
1513 #define T(a) TR(TRACE_CALLS, a)
1514 #define TRACE_RETURN(value,type) return _nc_retrace_##type(value)
1515 #define TRACE_RETURN2(value,dst,src) return _nc_retrace_##dst##_##src(value)
1516 #define TRACE_RETURN_SP(value,type) return _nc_retrace_##type(SP_PARM, value)
1518 #define NonNull(s) ((s) != 0 ? s : "<null>")
1520 #define returnAttr(code) TRACE_RETURN(code,attr_t)
1521 #define returnBits(code) TRACE_RETURN(code,unsigned)
1522 #define returnBool(code) TRACE_RETURN(code,bool)
1523 #define returnCPtr(code) TRACE_RETURN(code,cptr)
1524 #define returnCVoidPtr(code) TRACE_RETURN(code,cvoid_ptr)
1525 #define returnChar(code) TRACE_RETURN(code,char)
1526 #define returnChtype(code) TRACE_RETURN(code,chtype)
1527 #define returnCode(code) TRACE_RETURN(code,int)
1528 #define returnIntAttr(code) TRACE_RETURN2(code,int,attr_t)
1529 #define returnMMask(code) TRACE_RETURN_SP(code,mmask_t)
1530 #define returnPtr(code) TRACE_RETURN(code,ptr)
1531 #define returnSP(code) TRACE_RETURN(code,sp)
1532 #define returnVoid T((T_RETURN(""))); return
1533 #define returnVoidPtr(code) TRACE_RETURN(code,void_ptr)
1534 #define returnWin(code) TRACE_RETURN(code,win)
1536 extern NCURSES_EXPORT(NCURSES_BOOL) _nc_retrace_bool (NCURSES_BOOL);
1537 extern NCURSES_EXPORT(NCURSES_CONST void *) _nc_retrace_cvoid_ptr (NCURSES_CONST void *);
1538 extern NCURSES_EXPORT(SCREEN *) _nc_retrace_sp (SCREEN *);
1539 extern NCURSES_EXPORT(WINDOW *) _nc_retrace_win (WINDOW *);
1540 extern NCURSES_EXPORT(attr_t) _nc_retrace_attr_t (attr_t);
1541 extern NCURSES_EXPORT(char *) _nc_retrace_ptr (char *);
1542 extern NCURSES_EXPORT(char *) _nc_trace_ttymode(TTY *tty);
1543 extern NCURSES_EXPORT(char *) _nc_varargs (const char *, va_list);
1544 extern NCURSES_EXPORT(chtype) _nc_retrace_chtype (chtype);
1545 extern NCURSES_EXPORT(const char *) _nc_altcharset_name(attr_t, chtype);
1546 extern NCURSES_EXPORT(const char *) _nc_retrace_cptr (const char *);
1547 extern NCURSES_EXPORT(char) _nc_retrace_char (char);
1548 extern NCURSES_EXPORT(int) _nc_retrace_int (int);
1549 extern NCURSES_EXPORT(int) _nc_retrace_int_attr_t (attr_t);
1550 extern NCURSES_EXPORT(mmask_t) _nc_retrace_mmask_t (SCREEN *, mmask_t);
1551 extern NCURSES_EXPORT(unsigned) _nc_retrace_unsigned (unsigned);
1552 extern NCURSES_EXPORT(void *) _nc_retrace_void_ptr (void *);
1553 extern NCURSES_EXPORT(void) _nc_fifo_dump (SCREEN *);
1556 NCURSES_WRAPPED_VAR(long, _nc_outchars);
1557 NCURSES_WRAPPED_VAR(const char *, _nc_tputs_trace);
1558 #define _nc_outchars NCURSES_PUBLIC_VAR(_nc_outchars())
1559 #define _nc_tputs_trace NCURSES_PUBLIC_VAR(_nc_tputs_trace())
1560 extern NCURSES_EXPORT(void) _nc_set_tputs_trace (const char *);
1561 extern NCURSES_EXPORT(void) _nc_count_outchars (long);
1563 extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace;
1564 extern NCURSES_EXPORT_VAR(long) _nc_outchars;
1567 extern NCURSES_EXPORT_VAR(unsigned) _nc_tracing;
1569 #if USE_WIDEC_SUPPORT
1570 extern NCURSES_EXPORT(const char *) _nc_viswbuf2 (int, const wchar_t *);
1571 extern NCURSES_EXPORT(const char *) _nc_viswbufn (const wchar_t *, int);
1574 extern NCURSES_EXPORT(const char *) _nc_viscbuf2 (int, const NCURSES_CH_T *, int);
1575 extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int);
1579 #define START_TRACE() /* nothing */
1583 #define TPUTS_TRACE(s)
1585 #define returnAttr(code) return code
1586 #define returnBits(code) return code
1587 #define returnBool(code) return code
1588 #define returnCPtr(code) return code
1589 #define returnCVoidPtr(code) return code
1590 #define returnChar(code) return ((char) code)
1591 #define returnChtype(code) return code
1592 #define returnCode(code) return code
1593 #define returnIntAttr(code) return code
1594 #define returnMMask(code) return code
1595 #define returnPtr(code) return code
1596 #define returnSP(code) return code
1597 #define returnVoid return
1598 #define returnVoidPtr(code) return code
1599 #define returnWin(code) return code
1601 #endif /* TRACE/!TRACE */
1604 * Workaround for defective implementation of gcc attribute warn_unused_result
1606 #if defined(__GNUC__) && defined(_FORTIFY_SOURCE)
1607 #define IGNORE_RC(func) errno = (int) func
1609 #define IGNORE_RC(func) (void) func
1610 #endif /* gcc workarounds */
1613 * Return-codes for tgetent() and friends.
1615 #define TGETENT_YES 1 /* entry is found */
1616 #define TGETENT_NO 0 /* entry is not found */
1617 #define TGETENT_ERR -1 /* an error occurred */
1619 extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *);
1620 extern NCURSES_EXPORT(const char *) _nc_visbufn (const char *, int);
1622 #define EMPTY_MODULE(name) \
1623 extern NCURSES_EXPORT(void) name (void); \
1624 NCURSES_EXPORT(void) name (void) { }
1626 #define ALL_BUT_COLOR ((chtype)~(A_COLOR))
1627 #define NONBLANK_ATTR (A_NORMAL|A_BOLD|A_DIM|A_BLINK)
1628 #define XMC_CHANGES(c) ((c) & SP_PARM->_xmc_suppress)
1630 #define toggle_attr_on(S,at) {\
1631 if (PairNumber(at) > 0) {\
1632 (S) = ((S) & ALL_BUT_COLOR) | (attr_t) (at);\
1634 (S) |= (attr_t) (at);\
1636 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
1639 #define toggle_attr_off(S,at) {\
1640 if (PairNumber(at) > 0) {\
1641 (S) &= ~(at|A_COLOR);\
1645 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
1647 #define DelCharCost(sp,count) \
1650 : ((delete_character != 0) \
1651 ? (sp->_dch1_cost * count) \
1654 #define InsCharCost(sp,count) \
1657 : ((enter_insert_mode && exit_insert_mode) \
1658 ? sp->_smir_cost + sp->_rmir_cost + (sp->_ip_cost * count) \
1659 : ((insert_character != 0) \
1660 ? ((sp->_ich1_cost + sp->_ip_cost) * count) \
1664 #define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \
1665 attr_t chg = AttrOf(SCREEN_ATTRS(sp)); \
1666 VIDATTR(sp, AttrOf(c), GetPair(c)); \
1667 if (magic_cookie_glitch > 0 \
1668 && XMC_CHANGES((chg ^ AttrOf(SCREEN_ATTRS(sp))))) { \
1669 T(("%s @%d before glitch %d,%d", \
1670 __FILE__, __LINE__, \
1673 NCURSES_SP_NAME(_nc_do_xmc_glitch)(NCURSES_SP_ARGx chg); \
1677 #define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \
1678 VIDATTR(sp, AttrOf(c), GetPair(c)); \
1683 * Macros to make additional parameter to implement wgetch_events()
1685 #ifdef NCURSES_WGETCH_EVENTS
1686 #define EVENTLIST_0th(param) param
1687 #define EVENTLIST_1st(param) param
1688 #define EVENTLIST_2nd(param) , param
1689 #define TWAIT_MASK (TW_ANY | TW_EVENT)
1691 #define EVENTLIST_0th(param) void
1692 #define EVENTLIST_1st(param) /* nothing */
1693 #define EVENTLIST_2nd(param) /* nothing */
1694 #define TWAIT_MASK TW_ANY
1697 #if NCURSES_EXPANDED && NCURSES_EXT_FUNCS
1699 #undef toggle_attr_on
1700 #define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at)
1701 extern NCURSES_EXPORT(void) _nc_toggle_attr_on (attr_t *, attr_t);
1703 #undef toggle_attr_off
1704 #define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at)
1705 extern NCURSES_EXPORT(void) _nc_toggle_attr_off (attr_t *, attr_t);
1708 #define DelCharCost(sp, count) NCURSES_SP_NAME(_nc_DelCharCost)(NCURSES_SP_ARGx count)
1711 #define InsCharCost(sp, count) NCURSES_SP_NAME(_nc_InsCharCost)(NCURSES_SP_ARGx count)
1713 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_DelCharCost) (NCURSES_SP_DCLx int _c);
1714 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_InsCharCost) (NCURSES_SP_DCLx int _c);
1717 #define UpdateAttrs(sp,c) NCURSES_SP_NAME(_nc_UpdateAttrs)(NCURSES_SP_ARGx CHREF(c))
1719 #if USE_WIDEC_SUPPORT || defined(NEED_NCURSES_CH_T)
1720 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_UpdateAttrs) (NCURSES_SP_DCLx CARG_CH_T _c);
1722 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_UpdateAttrs) (NCURSES_SP_DCLx chtype c);
1725 #if NCURSES_SP_FUNCS
1726 extern NCURSES_EXPORT(int) _nc_DelCharCost (int);
1727 extern NCURSES_EXPORT(int) _nc_InsCharCost (int);
1728 extern NCURSES_EXPORT(void) _nc_UpdateAttrs (CARG_CH_T);
1729 #endif /* NCURSES_SP_FUNCS */
1733 extern NCURSES_EXPORT(void) _nc_expanded (void);
1737 #if !NCURSES_EXT_FUNCS
1738 #define set_escdelay(value) ESCDELAY = value
1742 #define getcwd(buf,len) getwd(buf)
1746 #if USE_WIDEC_SUPPORT
1747 extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t);
1748 extern NCURSES_EXPORT(int) _nc_to_char(wint_t);
1749 extern NCURSES_EXPORT(wint_t) _nc_to_widechar(int);
1754 short nte_name; /* offset of name to hash on */
1755 int nte_type; /* BOOLEAN, NUMBER or STRING */
1756 short nte_index; /* index of associated variable in its array */
1757 short nte_link; /* index in table of next hash, or -1 */
1769 extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t);
1773 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG)
1774 extern NCURSES_EXPORT(void) _nc_linedump (void);
1778 extern NCURSES_EXPORT(void) _nc_init_acs (void); /* corresponds to traditional 'init_acs()' */
1779 extern NCURSES_EXPORT(int) _nc_msec_cost (const char *const, int); /* used by 'tack' program */
1782 #if USE_WIDEC_SUPPORT
1783 NCURSES_EXPORT(int) _nc_build_wch(WINDOW *win, ARG_CH_T ch);
1787 #if USE_WIDEC_SUPPORT && !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
1788 extern NCURSES_EXPORT(int) _nc_wchstrlen(const cchar_t *);
1792 extern NCURSES_EXPORT(bool) _nc_reset_colors(void);
1795 extern NCURSES_EXPORT(int) _nc_wgetch(WINDOW *, int *, int EVENTLIST_2nd(_nc_eventlist *));
1798 extern NCURSES_EXPORT(int) _nc_insert_ch(SCREEN *, WINDOW *, chtype);
1801 #define INFINITY 1000000 /* cost: too high to use */
1803 extern NCURSES_EXPORT(void) _nc_mvcur_init (void);
1804 extern NCURSES_EXPORT(void) _nc_mvcur_resume (void);
1805 extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void);
1807 extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int);
1809 extern NCURSES_EXPORT(void) _nc_screen_init (void);
1810 extern NCURSES_EXPORT(void) _nc_screen_resume (void);
1811 extern NCURSES_EXPORT(void) _nc_screen_wrap (void);
1814 extern NCURSES_EXPORT(bool) _nc_has_mouse (SCREEN *);
1817 #define INFINITY 1000000 /* cost: too high to use */
1818 #define BAUDBYTE 9 /* 9 = 7 bits + 1 parity + 1 stop */
1821 extern NCURSES_EXPORT(char *) _nc_get_locale(void);
1822 extern NCURSES_EXPORT(int) _nc_unicode_locale(void);
1823 extern NCURSES_EXPORT(int) _nc_locale_breaks_acs(TERMINAL *);
1824 extern NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *, int, int *, bool);
1825 extern NCURSES_EXPORT(void) _nc_tinfo_cmdch(TERMINAL *, char);
1827 /* lib_set_term.c */
1828 extern NCURSES_EXPORT(int) _nc_ripoffline(int, int(*)(WINDOW*, int));
1832 extern NCURSES_EXPORT(int) _nc_handle_sigwinch(SCREEN *);
1834 #define _nc_handle_sigwinch(a) /* nothing */
1838 #if USE_WIDEC_SUPPORT
1839 extern NCURSES_EXPORT(void) _nc_init_wacs(void);
1843 char *s_head; /* beginning of the string (may be null) */
1844 char *s_tail; /* end of the string (may be null) */
1845 size_t s_size; /* current remaining size available */
1846 size_t s_init; /* total size available */
1850 extern NCURSES_EXPORT(string_desc *) _nc_str_init (string_desc *, char *, size_t);
1851 extern NCURSES_EXPORT(string_desc *) _nc_str_null (string_desc *, size_t);
1852 extern NCURSES_EXPORT(string_desc *) _nc_str_copy (string_desc *, string_desc *);
1853 extern NCURSES_EXPORT(bool) _nc_safe_strcat (string_desc *, const char *);
1854 extern NCURSES_EXPORT(bool) _nc_safe_strcpy (string_desc *, const char *);
1857 #define strstr _nc_strstr
1858 extern NCURSES_EXPORT(char *) _nc_strstr (const char *, const char *);
1861 /* safe_sprintf.c */
1862 extern NCURSES_EXPORT(char *) _nc_printf_string (const char *, va_list);
1865 extern NCURSES_EXPORT(int) _nc_add_to_try (TRIES **, const char *, unsigned);
1866 extern NCURSES_EXPORT(char *) _nc_expand_try (TRIES *, unsigned, int *, size_t);
1867 extern NCURSES_EXPORT(int) _nc_remove_key (TRIES **, unsigned);
1868 extern NCURSES_EXPORT(int) _nc_remove_string (TRIES **, const char *);
1871 extern NCURSES_EXPORT(ENTRY *) _nc_delink_entry (ENTRY *, TERMTYPE *);
1872 extern NCURSES_EXPORT(SCREEN *) _nc_screen_of (WINDOW *);
1873 extern NCURSES_EXPORT(TERMINAL*) _nc_get_cur_term (void);
1874 extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int);
1875 extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t);
1876 extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *);
1877 extern NCURSES_EXPORT(char *) _nc_tracechar (SCREEN *, int);
1878 extern NCURSES_EXPORT(char *) _nc_tracemouse (SCREEN *, MEVENT const *);
1879 extern NCURSES_EXPORT(int) _nc_access (const char *, int);
1880 extern NCURSES_EXPORT(int) _nc_baudrate (int);
1881 extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *);
1882 extern NCURSES_EXPORT(int) _nc_getenv_num (const char *);
1883 extern NCURSES_EXPORT(int) _nc_keypad (SCREEN *, bool);
1884 extern NCURSES_EXPORT(int) _nc_ospeed (int);
1885 extern NCURSES_EXPORT(int) _nc_outch (int);
1886 extern NCURSES_EXPORT(int) _nc_putp(const char *, const char *);
1887 extern NCURSES_EXPORT(int) _nc_putp_flush(const char *, const char *);
1888 extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const);
1889 extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, bool, int);
1890 extern NCURSES_EXPORT(int) _nc_setup_tinfo(const char *, TERMTYPE *);
1891 extern NCURSES_EXPORT(int) _nc_timed_wait (SCREEN *, int, int, int * EVENTLIST_2nd(_nc_eventlist *));
1892 extern NCURSES_EXPORT(void) _nc_do_color (short, short, bool, NCURSES_OUTC);
1893 extern NCURSES_EXPORT(void) _nc_flush (void);
1894 extern NCURSES_EXPORT(void) _nc_free_and_exit (int) GCC_NORETURN;
1895 extern NCURSES_EXPORT(void) _nc_free_entry (ENTRY *, TERMTYPE *);
1896 extern NCURSES_EXPORT(void) _nc_freeall (void);
1897 extern NCURSES_EXPORT(void) _nc_hash_map (void);
1898 extern NCURSES_EXPORT(void) _nc_init_keytry (SCREEN *);
1899 extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *);
1900 extern NCURSES_EXPORT(void) _nc_make_oldhash (int i);
1901 extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot);
1902 extern NCURSES_EXPORT(void) _nc_scroll_optimize (void);
1903 extern NCURSES_EXPORT(void) _nc_set_buffer (FILE *, bool);
1904 extern NCURSES_EXPORT(void) _nc_signal_handler (bool);
1905 extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *);
1906 extern NCURSES_EXPORT(void) _nc_trace_tries (TRIES *);
1909 extern NCURSES_EXPORT(void) _nc_alloc_entry_leaks(void);
1910 extern NCURSES_EXPORT(void) _nc_captoinfo_leaks(void);
1911 extern NCURSES_EXPORT(void) _nc_codes_leaks(void);
1912 extern NCURSES_EXPORT(void) _nc_comp_captab_leaks(void);
1913 extern NCURSES_EXPORT(void) _nc_comp_scan_leaks(void);
1914 extern NCURSES_EXPORT(void) _nc_keyname_leaks(void);
1915 extern NCURSES_EXPORT(void) _nc_names_leaks(void);
1916 extern NCURSES_EXPORT(void) _nc_tgetent_leaks(void);
1919 #if !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
1920 extern NCURSES_EXPORT(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T);
1921 extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const NCURSES_CH_T);
1922 extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, NCURSES_SIZE_T const, NCURSES_SIZE_T const, NCURSES_CH_T);
1925 #if USE_WIDEC_SUPPORT
1926 extern NCURSES_EXPORT(int) _nc_insert_wch(WINDOW *, const cchar_t *);
1929 #if USE_WIDEC_SUPPORT && !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
1930 extern NCURSES_EXPORT(size_t) _nc_wcrtomb (char *, wchar_t, mbstate_t *);
1934 extern NCURSES_EXPORT(void) _nc_update_screensize (SCREEN *);
1938 extern NCURSES_EXPORT(void) _nc_resize_margins (WINDOW *);
1940 #define _nc_resize_margins(wp) /* nothing */
1943 #ifdef NCURSES_WGETCH_EVENTS
1944 extern NCURSES_EXPORT(int) _nc_eventlist_timeout(_nc_eventlist *);
1946 #define wgetch_events(win, evl) wgetch(win)
1947 #define wgetnstr_events(win, str, maxlen, evl) wgetnstr(win, str, maxlen)
1951 * Wide-character macros to hide some platform-differences.
1953 #if USE_WIDEC_SUPPORT
1954 #if HAVE_MBTOWC && HAVE_MBLEN
1955 #define reset_mbytes(state) IGNORE_RC(mblen(NULL, 0)), IGNORE_RC(mbtowc(NULL, NULL, 0))
1956 #define count_mbytes(buffer,length,state) mblen(buffer,length)
1957 #define check_mbytes(wch,buffer,length,state) \
1958 (int) mbtowc(&wch, buffer, length)
1959 #define state_unused
1960 #elif HAVE_MBRTOWC && HAVE_MBRLEN
1961 #define reset_mbytes(state) init_mb(state)
1962 #define count_mbytes(buffer,length,state) mbrlen(buffer,length,&state)
1963 #define check_mbytes(wch,buffer,length,state) \
1964 (int) mbrtowc(&wch, buffer, length, &state)
1971 * Not everyone has vsscanf(), but we'd like to use it for scanw().
1974 extern int vsscanf(const char *str, const char *format, va_list __arg);
1977 /* scroll indices */
1978 extern NCURSES_EXPORT_VAR(int *) _nc_oldnums;
1980 #define USE_SETBUF_0 0
1982 #define NC_BUFFERED(sp,flag) NCURSES_SP_NAME(_nc_set_buffer)(NCURSES_SP_ARGx sp->_ofp, flag)
1984 #define NC_OUTPUT(sp) ((sp != 0) ? sp->_ofp : stdout)
1987 * On systems with a broken linker, define 'SP' as a function to force the
1988 * linker to pull in the data-only module with 'SP'.
1990 #define _nc_alloc_screen_sp() typeCalloc(SCREEN, 1)
1993 #define SP _nc_screen()
1994 extern NCURSES_EXPORT(SCREEN *) _nc_screen (void);
1995 extern NCURSES_EXPORT(int) _nc_alloc_screen (void);
1996 extern NCURSES_EXPORT(void) _nc_set_screen (SCREEN *);
1997 #define CURRENT_SCREEN _nc_screen()
1999 /* current screen is private data; avoid possible linking conflicts too */
2000 extern NCURSES_EXPORT_VAR(SCREEN *) SP;
2001 #define CURRENT_SCREEN SP
2002 #define _nc_alloc_screen() ((SP = _nc_alloc_screen_sp()) != 0)
2003 #define _nc_set_screen(sp) SP = sp
2006 #if NCURSES_SP_FUNCS
2007 #define CURRENT_SCREEN_PRE (IsPreScreen(CURRENT_SCREEN) ? CURRENT_SCREEN : new_prescr())
2009 #define CURRENT_SCREEN_PRE CURRENT_SCREEN
2013 * We don't want to use the lines or columns capabilities internally, because
2014 * if the application is running multiple screens under X, it's quite possible
2015 * they could all have type xterm but have different sizes! So...
2017 #define screen_lines(sp) (sp)->_lines
2018 #define screen_columns(sp) (sp)->_columns
2020 extern NCURSES_EXPORT(int) _nc_slk_initialize (WINDOW *, int);
2021 extern NCURSES_EXPORT(int) _nc_format_slks (NCURSES_SP_DCLx int _c);
2024 * Some constants related to SLK's
2026 #define MAX_SKEY_OLD 8 /* count of soft keys */
2027 #define MAX_SKEY_LEN_OLD 8 /* max length of soft key text */
2028 #define MAX_SKEY_PC 12 /* This is what most PC's have */
2029 #define MAX_SKEY_LEN_PC 5
2031 /* Macro to check whether or not we use a standard format */
2032 #define SLK_STDFMT(fmt) (fmt < 3)
2033 /* Macro to determine height of label window */
2034 #define SLK_LINES(fmt) (SLK_STDFMT(fmt) ? 1 : ((fmt) - 2))
2036 #define MAX_SKEY(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_OLD : MAX_SKEY_PC)
2037 #define MAX_SKEY_LEN(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC)
2040 * Common error messages
2042 #define MSG_NO_MEMORY "Out of memory"
2043 #define MSG_NO_INPUTS "Premature EOF"
2045 extern NCURSES_EXPORT(int) _nc_set_tty_mode(TTY *);
2046 extern NCURSES_EXPORT(int) _nc_get_tty_mode(TTY *);
2048 /* timed_wait flag definitions */
2052 #define TW_ANY (TW_INPUT | TW_MOUSE)
2055 #define SetSafeOutcWrapper(outc) \
2056 SCREEN* sp = CURRENT_SCREEN; \
2058 struct screen dummy; \
2060 memset(sp,0,sizeof(struct screen)); \
2061 sp->_outch = _nc_outc_wrapper; \
2065 #ifdef USE_TERM_DRIVER
2066 typedef void* TERM_HANDLE;
2068 typedef struct _termInfo
2087 const color_t* defaultPalette;
2090 typedef struct term_driver {
2092 bool (*CanHandle)(struct DriverTCB*,const char*,int*);
2093 void (*init)(struct DriverTCB*);
2094 void (*release)(struct DriverTCB*);
2095 int (*size)(struct DriverTCB*, int* Line, int *Cols);
2096 int (*sgmode)(struct DriverTCB*, bool setFlag, TTY*);
2097 chtype (*conattr)(struct DriverTCB*);
2098 int (*hwcur)(struct DriverTCB*, int yold, int xold, int y, int x);
2099 int (*mode)(struct DriverTCB*, bool progFlag, bool defFlag);
2100 bool (*rescol)(struct DriverTCB*);
2101 bool (*rescolors)(struct DriverTCB*);
2102 void (*color)(struct DriverTCB*,bool fore, int color, int(*)(SCREEN*,int));
2103 int (*doBeepOrFlash)(struct DriverTCB*, bool);
2104 void (*initpair)(struct DriverTCB*,short,short,short);
2105 void (*initcolor)(struct DriverTCB*,short,short,short,short);
2106 void (*docolor)(struct DriverTCB*,short,short,bool,int(*)(SCREEN*,int));
2107 void (*initmouse)(struct DriverTCB*);
2108 int (*testmouse)(struct DriverTCB*,int);
2109 void (*setfilter)(struct DriverTCB*);
2110 void (*hwlabel)(struct DriverTCB*,int,char*);
2111 void (*hwlabelOnOff)(struct DriverTCB*,bool);
2112 int (*update)(struct DriverTCB*);
2113 int (*defaultcolors)(struct DriverTCB*,int,int);
2114 int (*print)(struct DriverTCB*,char*,int);
2115 int (*getsize)(struct DriverTCB*,int*,int*);
2116 int (*setsize)(struct DriverTCB*,int,int);
2117 void (*initacs)(struct DriverTCB*,chtype*,chtype*);
2118 void (*scinit)(SCREEN *);
2119 void (*scexit)(SCREEN *);
2120 int (*twait)(struct DriverTCB*,int,int,int* EVENTLIST_2nd(_nc_eventlist*));
2121 int (*read)(struct DriverTCB*,int*);
2122 int (*nap)(struct DriverTCB*,int);
2123 int (*kpad)(struct DriverTCB*, bool);
2124 int (*kyOk)(struct DriverTCB*, int, bool);
2125 bool (*kyExist)(struct DriverTCB*, int);
2128 typedef struct DriverTCB
2130 TERMINAL term; /* needs to be the first Element !!! */
2131 TERM_HANDLE inp; /* The input handle of the Terminal */
2132 TERM_HANDLE out; /* The output handle of the Terminal in shell mode */
2133 TERM_HANDLE hdl; /* The output handle of the Terminal in prog mode */
2134 TERM_DRIVER* drv; /* The driver for that Terminal */
2135 SCREEN* csp; /* The screen that owns that Terminal */
2136 TerminalInfo info; /* Driver independent core capabilities of the Terminal */
2137 void* prop; /* Driver dependent property storage to be used by the Driver */
2139 } TERMINAL_CONTROL_BLOCK;
2141 #define NCDRV_MAGIC(id) (0x47110000 | (id&0xffff))
2142 #define NCDRV_TINFO 0x01
2143 #define NCDRV_WINCONSOLE 0x02
2145 #define TCBOf(sp) ((TERMINAL_CONTROL_BLOCK*)(TerminalOf(sp)))
2146 #define InfoOf(sp) TCBOf(sp)->info
2147 #define CallDriver(sp,method) TCBOf(sp)->drv->method(TCBOf(sp))
2148 #define CallDriver_1(sp,method,arg1) TCBOf(sp)->drv->method(TCBOf(sp),arg1)
2149 #define CallDriver_2(sp,method,arg1,arg2) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2)
2150 #define CallDriver_3(sp,method,arg1,arg2,arg3) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2,arg3)
2151 #define CallDriver_4(sp,method,arg1,arg2,arg3,arg4) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2,arg3,arg4)
2153 extern NCURSES_EXPORT_VAR(const color_t*) _nc_cga_palette;
2154 extern NCURSES_EXPORT_VAR(const color_t*) _nc_hls_palette;
2156 extern NCURSES_EXPORT(int) _nc_get_driver(TERMINAL_CONTROL_BLOCK*, const char*, int*);
2157 extern NCURSES_EXPORT(void) _nc_get_screensize_ex(SCREEN *, TERMINAL *, int *, int *);
2158 #endif /* USE_TERM_DRIVER */
2161 * Entrypoints which are actually provided in the terminal driver, which would
2162 * be an sp-name otherwise.
2164 #ifdef USE_TERM_DRIVER
2165 #define TINFO_HAS_KEY _nc_tinfo_has_key
2166 #define TINFO_DOUPDATE _nc_tinfo_doupdate
2167 #define TINFO_MVCUR _nc_tinfo_mvcur
2168 extern NCURSES_EXPORT(int) TINFO_HAS_KEY(SCREEN*, int);
2169 extern NCURSES_EXPORT(int) TINFO_DOUPDATE(SCREEN *);
2170 extern NCURSES_EXPORT(int) TINFO_MVCUR(SCREEN*, int, int, int, int);
2172 #define TINFO_HAS_KEY NCURSES_SP_NAME(has_key)
2173 #define TINFO_DOUPDATE NCURSES_SP_NAME(doupdate)
2174 #define TINFO_MVCUR NCURSES_SP_NAME(mvcur)
2178 * Entrypoints using an extra parameter with the terminal driver.
2180 #ifdef USE_TERM_DRIVER
2181 extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, TERMINAL *, int *, int *);
2182 extern NCURSES_EXPORT(int) _nc_setupterm_ex(TERMINAL **, NCURSES_CONST char *, int , int *, bool);
2183 #define TINFO_GET_SIZE(sp, tp, lp, cp) \
2184 _nc_get_screensize(sp, tp, lp, cp)
2185 #define TINFO_SET_CURTERM(sp, tp) \
2186 NCURSES_SP_NAME(set_curterm)(sp, tp)
2187 #define TINFO_SETUP_TERM(tpp, name, fd, err, reuse) \
2188 _nc_setupterm_ex(tpp, name, fd, err, reuse)
2189 #else /* !USE_TERM_DRIVER */
2190 extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, int *, int *);
2191 #define TINFO_GET_SIZE(sp, tp, lp, cp) \
2192 _nc_get_screensize(sp, lp, cp)
2193 #define TINFO_SET_CURTERM(sp, tp) \
2195 #define TINFO_SETUP_TERM(tpp, name, fd, err, reuse) \
2196 _nc_setupterm(name, fd, err, reuse)
2197 #endif /* !USE_TERM_DRIVER */
2199 #ifdef USE_TERM_DRIVER
2201 #include <nc_mingw.h>
2202 extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_WIN_DRIVER;
2204 extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_TINFO_DRIVER;
2207 #ifdef USE_TERM_DRIVER
2208 #define IsTermInfo(sp) (TCBOf(sp) && ((TCBOf(sp)->drv->isTerminfo)))
2210 #define IsTermInfo(sp) TRUE
2213 #define HasTInfoTerminal(sp) ((0 != TerminalOf(sp)) && IsTermInfo(sp))
2214 #define IsValidTIScreen(sp) (HasTInfoTerminal(sp))
2217 * Exported entrypoints beyond the published API
2219 #if NCURSES_SP_FUNCS
2220 extern NCURSES_EXPORT(WINDOW *) _nc_curscr_of(SCREEN*);
2221 extern NCURSES_EXPORT(WINDOW *) _nc_newscr_of(SCREEN*);
2222 extern NCURSES_EXPORT(WINDOW *) _nc_stdscr_of(SCREEN*);
2223 extern NCURSES_EXPORT(int) _nc_outc_wrapper(SCREEN*,int);
2226 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_TABSIZE)(SCREEN*);
2227 extern NCURSES_EXPORT(char *) NCURSES_SP_NAME(longname)(SCREEN*);
2230 #if NCURSES_EXT_FUNCS
2231 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_set_tabsize)(SCREEN*, int);
2235 * We put the safe versions of various calls here as they are not published
2236 * part of the API up to now
2238 extern NCURSES_EXPORT(TERMINAL*) NCURSES_SP_NAME(_nc_get_cur_term) (SCREEN *sp);
2239 extern NCURSES_EXPORT(WINDOW *) NCURSES_SP_NAME(_nc_makenew) (SCREEN*, int, int, int, int, int);
2240 extern NCURSES_EXPORT(bool) NCURSES_SP_NAME(_nc_reset_colors)(SCREEN*);
2241 extern NCURSES_EXPORT(char *) NCURSES_SP_NAME(_nc_printf_string)(SCREEN*, const char *, va_list);
2242 extern NCURSES_EXPORT(chtype) NCURSES_SP_NAME(_nc_acs_char)(SCREEN*,int);
2243 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_curs_set)(SCREEN*,int);
2244 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_get_tty_mode)(SCREEN*,TTY*);
2245 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_mcprint)(SCREEN*,char*, int);
2246 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_msec_cost)(SCREEN*, const char *, int);
2247 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_outch)(SCREEN*, int);
2248 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putp)(SCREEN*, const char *, const char*);
2249 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putp_flush)(SCREEN*, const char *, const char *);
2250 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_resetty)(SCREEN*);
2251 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_resize_term)(SCREEN*,int,int);
2252 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_ripoffline)(SCREEN*, int, int (*)(WINDOW *,int));
2253 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_savetty)(SCREEN*);
2254 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scr_init)(SCREEN*,const char*);
2255 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scr_restore)(SCREEN*, const char*);
2256 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scrolln)(SCREEN*, int, int, int, int);
2257 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_set_tty_mode)(SCREEN*, TTY*);
2258 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_setupscreen)(SCREEN**, int, int, FILE *, bool, int);
2259 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_tgetent)(SCREEN*,char*,const char *);
2260 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_tigetnum)(SCREEN*,NCURSES_CONST char*);
2261 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_vid_attr)(SCREEN *, attr_t, short, void *);
2262 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_vidputs)(SCREEN*,chtype,int(*) (SCREEN*, int));
2263 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_do_color)(SCREEN*, short, short, bool, NCURSES_SP_OUTC);
2264 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_do_xmc_glitch)(SCREEN*, attr_t);
2265 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_flush)(SCREEN*);
2266 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_free_and_exit)(SCREEN*, int) GCC_NORETURN;
2267 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_freeall)(SCREEN*);
2268 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_hash_map)(SCREEN*);
2269 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_init_acs)(SCREEN*);
2270 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_make_oldhash)(SCREEN*, int i);
2271 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_init)(SCREEN*);
2272 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_resume)(SCREEN*);
2273 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_wrap)(SCREEN*);
2274 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_init)(SCREEN*);
2275 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_resume)(SCREEN*);
2276 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_wrap)(SCREEN*);
2277 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_scroll_oldhash)(SCREEN*, int n, int top, int bot);
2278 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_scroll_optimize)(SCREEN*);
2279 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_set_buffer)(SCREEN*, FILE *, bool);
2281 extern NCURSES_EXPORT(void) _nc_cookie_init(SCREEN *sp);
2283 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG)
2284 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_linedump)(SCREEN*);
2287 #if USE_WIDEC_SUPPORT
2288 extern NCURSES_EXPORT(wchar_t *) NCURSES_SP_NAME(_nc_wunctrl)(SCREEN*, cchar_t *);
2291 #endif /* NCURSES_SP_FUNCS */
2293 #if NCURSES_SP_FUNCS
2295 #define safe_keyname NCURSES_SP_NAME(keyname)
2296 #define safe_unctrl NCURSES_SP_NAME(unctrl)
2297 #define safe_ungetch NCURSES_SP_NAME(ungetch)
2301 #define safe_keyname _nc_keyname
2302 #define safe_unctrl _nc_unctrl
2303 #define safe_ungetch _nc_ungetch
2305 extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_keyname (SCREEN *, int);
2306 extern NCURSES_EXPORT(int) _nc_ungetch (SCREEN *, int);
2307 extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_unctrl (SCREEN *, chtype);
2317 #endif /* CURSES_PRIV_H */