1 /****************************************************************************
2 * Copyright (c) 1998-2007,2008 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 ****************************************************************************/
37 * $Id: curses.priv.h,v 1.373 2008/05/03 23:30:35 tom Exp $
41 * Header file for curses library objects which are private to
47 #define CURSES_PRIV_H 1
49 #include <ncurses_dll.h>
55 #include <ncurses_cfg.h>
58 #define MODULE_ID(id) static const char Ident[] = id;
60 #define MODULE_ID(id) /*nothing*/
65 #include <sys/types.h>
71 #if HAVE_SYS_BSDTYPES_H
72 #include <sys/bsdtypes.h> /* needed for ISC */
77 #elif HAVE_SYS_PARAM_H
78 # include <sys/param.h>
87 # if defined(_POSIX_PATH_MAX)
88 # define PATH_MAX _POSIX_PATH_MAX
89 # elif defined(MAXPATHLEN)
90 # define PATH_MAX MAXPATHLEN
92 # define PATH_MAX 255 /* the Posix minimum path-size */
100 #include <nc_panel.h>
102 /* Some systems have a broken 'select()', but workable 'poll()'. Use that */
103 #if HAVE_WORKING_POLL
104 #define USE_FUNC_POLL 1
108 #include <sys/poll.h>
111 #define USE_FUNC_POLL 0
114 /* include signal.h before curses.h to work-around defect in glibc 2.1.3 */
117 /* Alessandro Rubini's GPM (general-purpose mouse) */
118 #if HAVE_LIBGPM && HAVE_GPM_H
119 #define USE_GPM_SUPPORT 1
121 #define USE_GPM_SUPPORT 0
124 /* QNX mouse support */
125 #if defined(__QNX__) && !defined(__QNXNTO__)
126 #define USE_QNX_MOUSE 1
128 #define USE_QNX_MOUSE 0
131 /* EMX mouse support */
133 #define USE_EMX_MOUSE 1
135 #define USE_EMX_MOUSE 0
138 #define DEFAULT_MAXCLICK 166
139 #define EV_MAX 8 /* size of mouse circular event queue */
142 * If we don't have signals to support it, don't add a sigwinch handler.
143 * In any case, resizing is an extended feature. Use it if we've got it.
145 #if !NCURSES_EXT_FUNCS
146 #undef HAVE_SIZECHANGE
147 #define HAVE_SIZECHANGE 0
150 #if HAVE_SIZECHANGE && defined(SIGWINCH)
151 #define USE_SIZECHANGE 1
153 #define USE_SIZECHANGE 0
155 #define USE_SIGWINCH 0
159 * If desired, one can configure this, disabling environment variables that
160 * point to custom terminfo/termcap locations.
162 #ifdef USE_ROOT_ENVIRON
163 #define use_terminfo_vars() 1
165 #define use_terminfo_vars() _nc_env_access()
166 extern NCURSES_EXPORT(int) _nc_env_access (void);
170 * Not all platforms have memmove; some have an equivalent bcopy. (Some may
174 #define memmove(d,s,n) bcopy(s,d,n)
176 #define memmove(d,s,n) _nc_memmove(d,s,n)
177 extern NCURSES_EXPORT(void *) _nc_memmove (void *, const void *, size_t);
181 * Scroll hints are useless when hashmap is used
183 #if !USE_SCROLL_HINTS
185 #define USE_SCROLL_HINTS 1
187 #define USE_SCROLL_HINTS 0
192 #define if_USE_SCROLL_HINTS(stmt) stmt
194 #define if_USE_SCROLL_HINTS(stmt) /*nothing*/
198 * Note: ht/cbt expansion flakes out randomly under Linux 1.1.47, but only
199 * when we're throwing control codes at the screen at high volume. To see
200 * this, re-enable USE_HARD_TABS and run worm for a while. Other systems
201 * probably don't want to define this either due to uncertainties about tab
202 * delays and expansion in raw mode.
205 #define TRIES struct tries
207 TRIES *child; /* ptr to child. NULL if none */
208 TRIES *sibling; /* ptr to sibling. NULL if none */
209 unsigned char ch; /* character at this node */
210 unsigned short value; /* code of string so far. 0 if none. */
215 * Common/troublesome character definitions
217 #define StringOf(ch) {ch, 0}
224 #define VT_ACSC "``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~"
227 * Structure for palette tables
232 short red, green, blue; /* what color_content() returns */
233 short r, g, b; /* params to init_color() */
234 int init; /* true if we called init_color() */
238 #define MAXCOLUMNS 135
240 #define FIFO_SIZE MAXCOLUMNS+2 /* for nocbreak mode input */
244 #define WINDOWLIST struct _win_list
246 #if USE_WIDEC_SUPPORT
247 #define _nc_bkgd _bkgrnd
249 #undef _XOPEN_SOURCE_EXTENDED
250 #define _nc_bkgd _bkgd
251 #define wgetbkgrnd(win, wch) *wch = win->_bkgd
252 #define wbkgrnd wbkgd
255 #undef NCURSES_OPAQUE
256 #define NCURSES_INTERNALS 1
257 #define NCURSES_OPAQUE 0
259 #include <curses.h> /* we'll use -Ipath directive to get the right one! */
261 #include <term_entry.h>
262 #include <nc_tparm.h>
264 #if NCURSES_EXT_COLORS && USE_WIDEC_SUPPORT
265 #define if_EXT_COLORS(stmt) stmt
266 #define NetPair(value,p) (value).ext_color = (p), \
267 AttrOf(value) &= ALL_BUT_COLOR, \
268 AttrOf(value) |= (A_COLOR & COLOR_PAIR((p > 255) ? 255 : p))
269 #define SetPair(value,p) (value).ext_color = (p)
270 #define GetPair(value) (value).ext_color
271 #define unColor(n) (AttrOf(n) & ALL_BUT_COLOR)
272 #define GET_WINDOW_PAIR(w) (w)->_color
273 #define SET_WINDOW_PAIR(w,p) (w)->_color = (p)
274 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b) && GetPair(a) == GetPair(b))
275 #define VIDATTR(attr, pair) vid_attr(attr, pair, 0)
277 #define if_EXT_COLORS(stmt) /* nothing */
278 #define SetPair(value,p) RemAttr(value, A_COLOR), \
279 SetAttr(value, AttrOf(value) | (A_COLOR & COLOR_PAIR(p)))
280 #define GetPair(value) PAIR_NUMBER(AttrOf(value))
281 #define unColor(n) (AttrOf(n) & ALL_BUT_COLOR)
282 #define GET_WINDOW_PAIR(w) PAIR_NUMBER(WINDOW_ATTRS(w))
283 #define SET_WINDOW_PAIR(w,p) WINDOW_ATTRS(w) &= ALL_BUT_COLOR, \
284 WINDOW_ATTRS(w) |= (A_COLOR & COLOR_PAIR(p))
285 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b))
286 #define VIDATTR(attr, pair) vidattr(attr)
289 #define WINDOW_ATTRS(w) ((w)->_attrs)
291 #define SCREEN_ATTRS(s) (*((s)->_current_attr))
292 #define GET_SCREEN_PAIR(s) GetPair(SCREEN_ATTRS(s))
293 #define SET_SCREEN_PAIR(s,p) SetPair(SCREEN_ATTRS(s), p)
296 #define SET_LINES(value) SP->_LINES = value
297 #define SET_COLS(value) SP->_COLS = value
299 #define SET_LINES(value) LINES = value
300 #define SET_COLS(value) COLS = value
303 #define TR_MUTEX(data) _tracef("%s@%d: me:%08lX COUNT:%2u/%2d/%6d/%2d/%s%9u: " #data, \
304 __FILE__, __LINE__, \
305 (unsigned long) (pthread_self()), \
306 data.__data.__lock, \
307 data.__data.__count, \
308 data.__data.__owner, \
309 data.__data.__kind, \
310 (data.__data.__nusers > 5) ? " OOPS " : "", \
311 data.__data.__nusers)
312 #define TR_GLOBAL_MUTEX(name) TR_MUTEX(_nc_globals.mutex_##name)
318 extern NCURSES_EXPORT(void) _nc_mutex_init(pthread_mutex_t *);
319 extern NCURSES_EXPORT(int) _nc_mutex_lock(pthread_mutex_t *);
320 extern NCURSES_EXPORT(int) _nc_mutex_trylock(pthread_mutex_t *);
321 extern NCURSES_EXPORT(int) _nc_mutex_unlock(pthread_mutex_t *);
322 #define _nc_lock_global(name) _nc_mutex_lock(&_nc_globals.mutex_##name)
323 #define _nc_try_global(name) _nc_mutex_trylock(&_nc_globals.mutex_##name)
324 #define _nc_unlock_global(name) _nc_mutex_unlock(&_nc_globals.mutex_##name)
326 extern NCURSES_EXPORT(void) _nc_lock_window(const WINDOW *);
327 extern NCURSES_EXPORT(void) _nc_unlock_window(const WINDOW *);
330 #error POSIX threads requires --enable-reentrant option
334 #undef HAVE_NANOSLEEP
335 #define HAVE_NANOSLEEP 0 /* nanosleep suspends all threads */
338 #else /* !USE_PTHREADS */
340 #define _nc_mutex_init(obj) /* nothing */
342 #define _nc_lock_global(name) /* nothing */
343 #define _nc_try_global(name) 0
344 #define _nc_unlock_global(name) /* nothing */
346 #define _nc_lock_window(name) (void) TRUE
347 #define _nc_unlock_window(name) /* nothing */
349 #endif /* USE_PTHREADS */
351 #if HAVE_GETTIMEOFDAY
352 # define PRECISE_GETTIME 1
353 # define TimeType struct timeval
355 # define PRECISE_GETTIME 0
356 # define TimeType time_t
360 * Definitions for color pairs
362 typedef unsigned colorpair_t; /* type big enough to store PAIR_OF() */
363 #define C_SHIFT 9 /* we need more bits than there are colors */
364 #define C_MASK ((1 << C_SHIFT) - 1)
365 #define PAIR_OF(fg, bg) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK))
366 #define isDefaultColor(c) ((c) >= COLOR_DEFAULT || (c) < 0)
368 #define COLOR_DEFAULT C_MASK
370 #if defined(USE_TERMLIB) && !defined(NEED_NCURSES_CH_T)
372 #undef NCURSES_CH_T /* this is not a termlib feature */
373 #define NCURSES_CH_T void /* ...but we need a pointer in SCREEN */
375 #endif /* USE_TERMLIB */
380 NCURSES_CH_T *text; /* text of the line */
381 NCURSES_SIZE_T firstchar; /* first changed character in the line */
382 NCURSES_SIZE_T lastchar; /* last changed character in the line */
383 NCURSES_SIZE_T oldindex; /* index of the line at last update */
385 #endif /* USE_TERMLIB */
388 M_XTERM = -1 /* use xterm's mouse tracking? */
389 ,M_NONE = 0 /* no mouse device */
394 ,M_SYSMOUSE /* FreeBSD sysmouse on console */
399 * Structures for scrolling.
403 unsigned long hashval;
404 int oldcount, newcount;
405 int oldindex, newindex;
409 * Structures for soft labels.
418 char *ent_text; /* text for the label */
419 char *form_text; /* formatted text (left/center/...) */
420 int ent_x; /* x coordinate of this field */
421 char dirty; /* this label has changed */
422 char visible; /* field is visible */
425 typedef struct _SLK {
426 char dirty; /* all labels have changed */
427 char hidden; /* soft labels are hidden */
430 short maxlab; /* number of available labels */
431 short labcnt; /* number of allocated labels */
432 short maxlen; /* length of labels */
433 NCURSES_CH_T attr; /* soft label attribute */
436 #endif /* USE_TERMLIB */
439 WINDOW *win; /* the window used in the hook */
440 int line; /* lines to take, < 0 => from bottom*/
441 int (*hook)(WINDOW *, int); /* callback for user */
445 #undef buttons /* term.h defines this, and gpm uses it! */
449 /* link dynamically to GPM */
450 typedef int *TYPE_gpm_fd;
451 typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int);
452 typedef int (*TYPE_Gpm_Close) (void);
453 typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *);
455 #define my_gpm_fd SP->_mouse_gpm_fd
456 #define my_Gpm_Open SP->_mouse_Gpm_Open
457 #define my_Gpm_Close SP->_mouse_Gpm_Close
458 #define my_Gpm_GetEvent SP->_mouse_Gpm_GetEvent
460 /* link statically to GPM */
461 #define my_gpm_fd &gpm_fd
462 #define my_Gpm_Open Gpm_Open
463 #define my_Gpm_Close Gpm_Close
464 #define my_Gpm_GetEvent Gpm_GetEvent
465 #endif /* HAVE_LIBDL */
466 #endif /* USE_GPM_SUPPORT */
471 char *fix_sgr0; /* this holds the filtered sgr0 string */
472 char *last_bufp; /* help with fix_sgr0 leak */
476 #define TGETENT_MAX 4
497 const char *tparam_base;
499 STACK_FRAME stack[STACKSIZE];
509 int dynamic_var[NUM_VARS];
510 int static_vars[NUM_VARS];
519 * The filesystem database normally uses a single-letter for the lower level
520 * of directories. Use a hexadecimal code for filesystems which do not
521 * preserve mixed-case names.
523 #if MIXEDCASE_FILENAMES
524 #define LEAF_FMT "%c"
526 #define LEAF_FMT "%02x"
530 * TRACEMSE_FMT is no longer than 80 columns, there are 5 numbers that
531 * could at most have 10 digits, and the mask contains no more than 32 bits
532 * with each bit representing less than 15 characters. Usually the whole
533 * string is less than 80 columns, but this buffer size is an absolute
536 #define TRACEMSE_MAX (80 + (5 * 10) + (32 * 15))
537 #define TRACEMSE_FMT "id %2d at (%2d, %2d, %2d) state %4lx = {" /* } */
540 * Global data which is not specific to a screen.
543 SIG_ATOMIC_T have_sigwinch;
544 SIG_ATOMIC_T cleanup_nested;
549 const char *comp_sourcename;
552 bool have_tic_directory;
553 bool keep_tic_directory;
554 const char *tic_directory;
560 char **keyname_table;
565 size_t safeprint_used;
567 TGETENT_CACHE tgetent_cache[TGETENT_MAX];
569 long tgetent_sequence;
571 WINDOWLIST *_nc_windowlist;
572 #define _nc_windows _nc_globals._nc_windowlist
574 #if USE_HOME_TERMINFO
578 #if !USE_SAFE_SPRINTF
585 char trace_fname[PATH_MAX];
590 size_t tracearg_used;
592 TRACEBUF *tracebuf_ptr;
593 size_t tracebuf_used;
595 char tracechr_buf[40];
598 size_t tracedmp_used;
600 char tracemse_buf[TRACEMSE_MAX];
602 unsigned char *tracetry_buf;
603 size_t tracetry_used;
605 char traceatr_color_buf[2][80];
606 int traceatr_color_sel;
607 int traceatr_color_last;
612 pthread_mutex_t mutex_set_SP;
613 pthread_mutex_t mutex_use_screen;
614 pthread_mutex_t mutex_use_window;
615 pthread_mutex_t mutex_windowlist;
616 pthread_mutex_t mutex_tst_tracef;
617 pthread_mutex_t mutex_tracef;
622 extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals;
627 * Global data which can be swept up into a SCREEN when one is created.
628 * It may be modified before the next SCREEN is created.
633 attr_t previous_attr;
634 ripoff_t rippedoff[N_RIPS];
636 TPARM_STATE tparm_state;
637 TTY *saved_tty; /* savetty/resetty information */
638 #if BROKEN_LINKER || USE_REENTRANT
639 chtype *real_acs_map;
644 const char *_tputs_trace;
649 #define ripoff_sp _nc_prescreen.rsp
650 #define ripoff_stack _nc_prescreen.rippedoff
652 extern NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen;
655 * The SCREEN structure.
659 int _ifd; /* input file ptr for screen */
660 FILE *_ofp; /* output file ptr for screen */
661 char *_setbuf; /* buffered I/O for output */
662 bool _filtered; /* filter() was called */
663 bool _buffered; /* setvbuf uses _setbuf data */
664 int _checkfd; /* filedesc for typeahead check */
665 TERMINAL *_term; /* terminal type information */
666 TTY _saved_tty; /* savetty/resetty information */
667 NCURSES_SIZE_T _lines; /* screen lines */
668 NCURSES_SIZE_T _columns; /* screen columns */
670 NCURSES_SIZE_T _lines_avail; /* lines available for stdscr */
671 NCURSES_SIZE_T _topstolen; /* lines stolen from top */
673 WINDOW *_curscr; /* current screen */
674 WINDOW *_newscr; /* virtual screen to be updated to */
675 WINDOW *_stdscr; /* screen's full-window context */
677 TRIES *_keytry; /* "Try" for use with keypad mode */
678 TRIES *_key_ok; /* Disabled keys via keyok(,FALSE) */
679 bool _tried; /* keypad mode was initialized */
680 bool _keypad_on; /* keypad mode is currently on */
682 bool _called_wgetch; /* check for recursion in wgetch() */
683 int _fifo[FIFO_SIZE]; /* input push-back buffer */
684 short _fifohead, /* head of fifo queue */
685 _fifotail, /* tail of fifo queue */
686 _fifopeek, /* where to peek for next char */
687 _fifohold; /* set if breakout marked */
689 int _endwin; /* are we out of window mode? */
690 NCURSES_CH_T *_current_attr; /* holds current attributes set */
691 int _coloron; /* is color enabled? */
692 int _color_defs; /* are colors modified */
693 int _cursor; /* visibility of the cursor */
694 int _cursrow; /* physical cursor row */
695 int _curscol; /* physical cursor column */
696 bool _notty; /* true if we cannot switch non-tty */
697 int _nl; /* True if NL -> CR/NL is on */
698 int _raw; /* True if in raw mode */
699 int _cbreak; /* 1 if in cbreak mode */
700 /* > 1 if in halfdelay mode */
701 int _echo; /* True if echo on */
702 int _use_meta; /* use the meta key? */
703 struct _SLK *_slk; /* ptr to soft key struct / NULL */
704 int slk_format; /* selected format for this screen */
705 /* cursor movement costs; units are 10ths of milliseconds */
706 #if NCURSES_NO_PADDING
707 int _no_padding; /* flag to set if padding disabled */
709 int _char_padding; /* cost of character put */
710 int _cr_cost; /* cost of (carriage_return) */
711 int _cup_cost; /* cost of (cursor_address) */
712 int _home_cost; /* cost of (cursor_home) */
713 int _ll_cost; /* cost of (cursor_to_ll) */
715 int _ht_cost; /* cost of (tab) */
716 int _cbt_cost; /* cost of (backtab) */
717 #endif /* USE_HARD_TABS */
718 int _cub1_cost; /* cost of (cursor_left) */
719 int _cuf1_cost; /* cost of (cursor_right) */
720 int _cud1_cost; /* cost of (cursor_down) */
721 int _cuu1_cost; /* cost of (cursor_up) */
722 int _cub_cost; /* cost of (parm_cursor_left) */
723 int _cuf_cost; /* cost of (parm_cursor_right) */
724 int _cud_cost; /* cost of (parm_cursor_down) */
725 int _cuu_cost; /* cost of (parm_cursor_up) */
726 int _hpa_cost; /* cost of (column_address) */
727 int _vpa_cost; /* cost of (row_address) */
728 /* used in tty_update.c, must be chars */
729 int _ed_cost; /* cost of (clr_eos) */
730 int _el_cost; /* cost of (clr_eol) */
731 int _el1_cost; /* cost of (clr_bol) */
732 int _dch1_cost; /* cost of (delete_character) */
733 int _ich1_cost; /* cost of (insert_character) */
734 int _dch_cost; /* cost of (parm_dch) */
735 int _ich_cost; /* cost of (parm_ich) */
736 int _ech_cost; /* cost of (erase_chars) */
737 int _rep_cost; /* cost of (repeat_char) */
738 int _hpa_ch_cost; /* cost of (column_address) */
739 int _cup_ch_cost; /* cost of (cursor_address) */
740 int _cuf_ch_cost; /* cost of (parm_cursor_right) */
741 int _inline_cost; /* cost of inline-move */
742 int _smir_cost; /* cost of (enter_insert_mode) */
743 int _rmir_cost; /* cost of (exit_insert_mode) */
744 int _ip_cost; /* cost of (insert_padding) */
745 /* used in lib_mvcur.c */
746 char * _address_cursor;
747 /* used in tty_update.c */
748 int _scrolling; /* 1 if terminal's smart enough to */
750 /* used in lib_color.c */
751 color_t *_color_table; /* screen's color palette */
752 int _color_count; /* count of colors in palette */
753 colorpair_t *_color_pairs; /* screen's color pair list */
754 int _pair_count; /* count of color pairs */
755 #if NCURSES_EXT_FUNCS
756 bool _default_color; /* use default colors */
757 bool _has_sgr_39_49; /* has ECMA default color support */
758 int _default_fg; /* assumed default foreground */
759 int _default_bg; /* assumed default background */
761 chtype _ok_attributes; /* valid attributes for terminal */
762 chtype _xmc_suppress; /* attributes to suppress if xmc */
763 chtype _xmc_triggers; /* attributes to process if xmc */
764 chtype * _acs_map; /* the real alternate-charset map */
765 bool * _screen_acs_map;
768 /* used in lib_vidattr.c */
769 bool _use_rmso; /* true if we may use 'rmso' */
770 bool _use_rmul; /* true if we may use 'rmul' */
773 * These data correspond to the state of the idcok() and idlok()
774 * functions. A caveat is in order here: the XSI and SVr4
775 * documentation specify that these functions apply to the window which
776 * is given as an argument. However, ncurses implements this logic
777 * only for the newscr/curscr update process, _not_ per-window.
781 #define _nc_idlok SP->_nc_sp_idlok
782 #define _nc_idcok SP->_nc_sp_idcok
785 * These are the data that support the mouse interface.
787 bool _mouse_initialized;
788 MouseType _mouse_type;
790 bool (*_mouse_event) (SCREEN *);
791 bool (*_mouse_inline)(SCREEN *);
792 bool (*_mouse_parse) (int);
793 void (*_mouse_resume)(SCREEN *);
794 void (*_mouse_wrap) (SCREEN *);
795 int _mouse_fd; /* file-descriptor, if any */
796 bool _mouse_active; /* true if initialized */
798 NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */
799 MEVENT _mouse_events[EV_MAX]; /* hold the last mouse event seen */
800 MEVENT *_mouse_eventp; /* next free slot in event queue */
803 bool _mouse_gpm_loaded;
804 bool _mouse_gpm_found;
806 TYPE_gpm_fd _mouse_gpm_fd;
807 TYPE_Gpm_Open _mouse_Gpm_Open;
808 TYPE_Gpm_Close _mouse_Gpm_Close;
809 TYPE_Gpm_GetEvent _mouse_Gpm_GetEvent;
811 Gpm_Connect _mouse_gpm_connect;
812 #endif /* USE_GPM_SUPPORT */
816 int _emxmouse_thread;
817 int _emxmouse_activated;
818 char _emxmouse_buttons[4];
822 MEVENT _sysmouse_fifo[FIFO_SIZE];
825 int _sysmouse_char_width; /* character width */
826 int _sysmouse_char_height; /* character height */
827 int _sysmouse_old_buttons;
828 int _sysmouse_new_buttons;
832 * This supports automatic resizing
835 int (*_resize)(int,int);
839 * These are data that support the proper handling of the panel stack on an
842 struct panelhook _panelHook;
845 SCREEN *_next_screen;
847 /* hashes for old and new lines */
848 unsigned long *oldhash, *newhash;
854 bool _cleanup; /* cleanup after int/quit signal */
855 int (*_outch)(int); /* output handler if not putc */
857 int _legacy_coding; /* see use_legacy_coding() */
860 char _ttytype[NAMESIZE];
867 const char *_tputs_trace;
871 * ncurses/ncursesw are the same up to this point.
873 #if USE_WIDEC_SUPPORT
874 /* recent versions of 'screen' have partially-working support for
875 * UTF-8, but do not permit ACS at the same time (see tty_update.c).
877 bool _screen_acs_fix;
881 extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain;
882 extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
885 WINDOW win; /* first, so WINDOW_EXT() works */
887 #ifdef _XOPEN_SOURCE_EXTENDED
888 char addch_work[(MB_LEN_MAX * 9) + 1];
889 unsigned addch_used; /* number of bytes in addch_work[] */
890 int addch_x; /* x-position for addch_work[] */
891 int addch_y; /* y-position for addch_work[] */
894 pthread_mutex_t mutex_use_window;
898 #define WINDOW_EXT(win,field) (((WINDOWLIST *)(win))->field)
900 /* usually in <limits.h> */
902 #define UCHAR_MAX 255
905 /* The terminfo source is assumed to be 7-bit ASCII */
906 #define is7bits(c) ((unsigned)(c) < 128)
908 /* Checks for isprint() should be done on 8-bit characters (non-wide) */
909 #define is8bits(c) ((unsigned)(c) <= UCHAR_MAX)
912 #define min(a,b) ((a) > (b) ? (b) : (a))
916 #define max(a,b) ((a) < (b) ? (b) : (a))
919 /* usually in <unistd.h> */
921 #define STDIN_FILENO 0
924 #ifndef STDOUT_FILENO
925 #define STDOUT_FILENO 1
928 #ifndef STDERR_FILENO
929 #define STDERR_FILENO 2
933 #define EXIT_SUCCESS 0
937 #define EXIT_FAILURE 1
941 #define R_OK 4 /* Test for read permission. */
944 #define W_OK 2 /* Test for write permission. */
947 #define X_OK 1 /* Test for execute permission. */
950 #define F_OK 0 /* Test for existence. */
954 #include <fcntl.h> /* may define O_BINARY */
963 #define COUNT_OUTCHARS(n) _nc_count_outchars(n);
965 #define COUNT_OUTCHARS(n) _nc_outchars += (n);
968 #define COUNT_OUTCHARS(n) /* nothing */
971 #define RESET_OUTCHARS() COUNT_OUTCHARS(-_nc_outchars)
973 #define UChar(c) ((unsigned char)(c))
974 #define ChCharOf(c) ((c) & (chtype)A_CHARTEXT)
975 #define ChAttrOf(c) ((c) & (chtype)A_ATTRIBUTES)
978 #define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */
981 #if USE_WIDEC_SUPPORT /* { */
982 #define isEILSEQ(status) (((size_t)status == (size_t)-1) && (errno == EILSEQ))
984 #define init_mb(state) memset(&state, 0, sizeof(state))
986 #if NCURSES_EXT_COLORS
989 #define NulColor /* nothing */
992 #define NulChar 0,0,0,0 /* FIXME: see CCHARW_MAX */
993 #define CharOf(c) ((c).chars[0])
994 #define AttrOf(c) ((c).attr)
996 #define AddAttr(c,a) AttrOf(c) |= ((a) & A_ATTRIBUTES)
997 #define RemAttr(c,a) AttrOf(c) &= ~((a) & A_ATTRIBUTES)
998 #define SetAttr(c,a) AttrOf(c) = ((a) & A_ATTRIBUTES) | WidecExt(c)
1000 #define NewChar2(c,a) { a, { c, NulChar } NulColor }
1001 #define NewChar(ch) NewChar2(ChCharOf(ch), ChAttrOf(ch))
1004 #define CharEq(a,b) (((a).attr == (b).attr) \
1005 && (a).chars[0] == (b).chars[0] \
1006 && (a).chars[1] == (b).chars[1] \
1007 && (a).chars[2] == (b).chars[2] \
1008 && (a).chars[3] == (b).chars[3] \
1009 && (a).chars[4] == (b).chars[4] \
1010 if_EXT_COLORS(&& (a).ext_color == (b).ext_color))
1012 #define CharEq(a,b) (!memcmp(&(a), &(b), sizeof(a)))
1015 #define SetChar(ch,c,a) do { \
1016 NCURSES_CH_T *_cp = &ch; \
1017 memset(_cp, 0, sizeof(ch)); \
1018 _cp->chars[0] = (c); \
1020 if_EXT_COLORS(SetPair(ch, PAIR_NUMBER(a))); \
1022 #define CHREF(wch) (&wch)
1023 #define CHDEREF(wch) (*wch)
1024 #define ARG_CH_T NCURSES_CH_T *
1025 #define CARG_CH_T const NCURSES_CH_T *
1026 #define PUTC_DATA char PUTC_buf[MB_LEN_MAX]; int PUTC_i, PUTC_n; \
1027 mbstate_t PUT_st; wchar_t PUTC_ch
1028 #define PUTC_INIT init_mb (PUT_st)
1029 #define PUTC(ch,b) do { if(!isWidecExt(ch)) { \
1030 if (Charable(ch)) { \
1031 fputc(CharOf(ch), b); \
1032 COUNT_OUTCHARS(1); \
1035 for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) { \
1036 PUTC_ch = (ch).chars[PUTC_i]; \
1037 if (PUTC_ch == L'\0') \
1039 PUTC_n = wcrtomb(PUTC_buf, \
1040 (ch).chars[PUTC_i], &PUT_st); \
1041 if (PUTC_n <= 0) { \
1042 if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) \
1046 fwrite(PUTC_buf, (unsigned) PUTC_n, 1, b); \
1048 COUNT_OUTCHARS(PUTC_i); \
1051 #define BLANK NewChar2(' ', WA_NORMAL)
1052 #define ZEROS NewChar2('\0', WA_NORMAL)
1053 #define ISBLANK(ch) ((ch).chars[0] == L' ' && (ch).chars[1] == L'\0')
1056 * Wide characters cannot be represented in the A_CHARTEXT mask of
1057 * attr_t's but an application might have set a narrow character there.
1058 * But even in that case, it would only be a printable character, or
1059 * zero. Otherwise we can use those bits to tell if a cell is the
1060 * first or extension part of a wide character.
1062 #define WidecExt(ch) (AttrOf(ch) & A_CHARTEXT)
1063 #define isWidecBase(ch) (WidecExt(ch) == 1)
1064 #define isWidecExt(ch) (WidecExt(ch) > 1 && WidecExt(ch) < 32)
1065 #define SetWidecExt(dst, ext) AttrOf(dst) &= ~A_CHARTEXT, \
1066 AttrOf(dst) |= (ext + 1)
1068 #define if_WIDEC(code) code
1069 #define Charable(ch) ((SP != 0 && SP->_legacy_coding) \
1070 || (AttrOf(ch) & A_ALTCHARSET) \
1071 || (!isWidecExt(ch) && \
1072 (ch).chars[1] == L'\0' && \
1073 _nc_is_charable(CharOf(ch))))
1075 #define L(ch) L ## ch
1077 #define CharOf(c) ChCharOf(c)
1078 #define AttrOf(c) ChAttrOf(c)
1079 #define AddAttr(c,a) c |= (a)
1080 #define RemAttr(c,a) c &= ~((a) & A_ATTRIBUTES)
1081 #define SetAttr(c,a) c = ((c) & ~A_ATTRIBUTES) | (a)
1082 #define NewChar(ch) (ch)
1083 #define NewChar2(c,a) ((c) | (a))
1084 #define CharEq(a,b) ((a) == (b))
1085 #define SetChar(ch,c,a) ch = (c) | (a)
1086 #define CHREF(wch) wch
1087 #define CHDEREF(wch) wch
1088 #define ARG_CH_T NCURSES_CH_T
1089 #define CARG_CH_T NCURSES_CH_T
1090 #define PUTC_DATA int data = 0
1091 #define PUTC(ch,b) do { data = CharOf(ch); putc(data,b); } while (0)
1093 #define BLANK (' '|A_NORMAL)
1094 #define ZEROS ('\0'|A_NORMAL)
1095 #define ISBLANK(ch) (CharOf(ch) == ' ')
1097 #define isWidecExt(ch) (0)
1098 #define if_WIDEC(code) /* nothing */
1103 #define AttrOfD(ch) AttrOf(CHDEREF(ch))
1104 #define CharOfD(ch) CharOf(CHDEREF(ch))
1105 #define SetChar2(wch,ch) SetChar(wch,ChCharOf(ch),ChAttrOf(ch))
1107 #define BLANK_ATTR A_NORMAL
1108 #define BLANK_TEXT L(' ')
1112 #define LEGALYX(w, y, x) \
1114 ((x) >= 0 && (x) <= (w)->_maxx && \
1115 (y) >= 0 && (y) <= (w)->_maxy))
1117 #define CHANGED_CELL(line,col) \
1118 if (line->firstchar == _NOCHANGE) \
1119 line->firstchar = line->lastchar = col; \
1120 else if ((col) < line->firstchar) \
1121 line->firstchar = col; \
1122 else if ((col) > line->lastchar) \
1123 line->lastchar = col
1125 #define CHANGED_RANGE(line,start,end) \
1126 if (line->firstchar == _NOCHANGE \
1127 || line->firstchar > (start)) \
1128 line->firstchar = start; \
1129 if (line->lastchar == _NOCHANGE \
1130 || line->lastchar < (end)) \
1131 line->lastchar = end
1133 #define CHANGED_TO_EOL(line,start,end) \
1134 if (line->firstchar == _NOCHANGE \
1135 || line->firstchar > (start)) \
1136 line->firstchar = start; \
1137 line->lastchar = end
1139 #define SIZEOF(v) (sizeof(v)/sizeof(v[0]))
1141 #define FreeIfNeeded(p) if ((p) != 0) free(p)
1143 /* FreeAndNull() is not a comma-separated expression because some compilers
1144 * do not accept a mixture of void with values.
1146 #define FreeAndNull(p) free(p); p = 0
1148 #include <nc_alloc.h>
1151 * TTY bit definition for converting tabs to spaces.
1154 # define OFLAGS_TABS TAB3 /* POSIX specifies TAB3 */
1157 # define OFLAGS_TABS XTABS /* XTABS is usually the "same" */
1160 # define OFLAGS_TABS OXTABS /* the traditional BSD equivalent */
1162 # define OFLAGS_TABS 0
1168 * Standardize/simplify common loops
1170 #define each_screen(p) p = _nc_screen_chain; p != 0; p = (p)->_next_screen
1171 #define each_window(p) p = _nc_windows; p != 0; p = (p)->next
1172 #define each_ripoff(p) p = ripoff_stack; (p - ripoff_stack) < N_RIPS; ++p
1175 * Prefixes for call/return points of library function traces. We use these to
1176 * instrument the public functions so that the traces can be easily transformed
1177 * into regression scripts.
1179 #define T_CALLED(fmt) "called {" fmt
1180 #define T_CREATE(fmt) "create :" fmt
1181 #define T_RETURN(fmt) "return }" fmt
1186 #define TPUTS_TRACE(s) _nc_set_tputs_trace(s);
1188 #define TPUTS_TRACE(s) _nc_tputs_trace = s;
1191 #define START_TRACE() \
1192 if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \
1193 int t = _nc_getenv_num("NCURSES_TRACE"); \
1195 trace((unsigned) t); \
1199 * Many of the _tracef() calls use static buffers; lock the trace state before
1200 * trying to fill them.
1203 #define USE_TRACEF(mask) _nc_use_tracef(mask)
1204 extern NCURSES_EXPORT(int) _nc_use_tracef (unsigned);
1205 extern NCURSES_EXPORT(void) _nc_locked_tracef (const char *, ...) GCC_PRINTFLIKE(1,2);
1207 #define USE_TRACEF(mask) (_nc_tracing & (mask))
1208 #define _nc_locked_tracef _tracef
1211 #define TR(n, a) if (USE_TRACEF(n)) _nc_locked_tracef a
1212 #define T(a) TR(TRACE_CALLS, a)
1213 #define TRACE_RETURN(value,type) return _nc_retrace_##type(value)
1215 #define returnAttr(code) TRACE_RETURN(code,attr_t)
1216 #define returnBits(code) TRACE_RETURN(code,unsigned)
1217 #define returnBool(code) TRACE_RETURN(code,bool)
1218 #define returnCPtr(code) TRACE_RETURN(code,cptr)
1219 #define returnCVoidPtr(code) TRACE_RETURN(code,cvoid_ptr)
1220 #define returnChar(code) TRACE_RETURN(code,chtype)
1221 #define returnCode(code) TRACE_RETURN(code,int)
1222 #define returnPtr(code) TRACE_RETURN(code,ptr)
1223 #define returnSP(code) TRACE_RETURN(code,sp)
1224 #define returnVoid T((T_RETURN(""))); return
1225 #define returnVoidPtr(code) TRACE_RETURN(code,void_ptr)
1226 #define returnWin(code) TRACE_RETURN(code,win)
1228 extern NCURSES_EXPORT(NCURSES_BOOL) _nc_retrace_bool (NCURSES_BOOL);
1229 extern NCURSES_EXPORT(NCURSES_CONST void *) _nc_retrace_cvoid_ptr (NCURSES_CONST void *);
1230 extern NCURSES_EXPORT(SCREEN *) _nc_retrace_sp (SCREEN *);
1231 extern NCURSES_EXPORT(WINDOW *) _nc_retrace_win (WINDOW *);
1232 extern NCURSES_EXPORT(attr_t) _nc_retrace_attr_t (attr_t);
1233 extern NCURSES_EXPORT(char *) _nc_retrace_ptr (char *);
1234 extern NCURSES_EXPORT(char *) _nc_trace_ttymode(TTY *tty);
1235 extern NCURSES_EXPORT(char *) _nc_varargs (const char *, va_list);
1236 extern NCURSES_EXPORT(chtype) _nc_retrace_chtype (chtype);
1237 extern NCURSES_EXPORT(const char *) _nc_altcharset_name(attr_t, chtype);
1238 extern NCURSES_EXPORT(const char *) _nc_retrace_cptr (const char *);
1239 extern NCURSES_EXPORT(int) _nc_retrace_int (int);
1240 extern NCURSES_EXPORT(unsigned) _nc_retrace_unsigned (unsigned);
1241 extern NCURSES_EXPORT(void *) _nc_retrace_void_ptr (void *);
1242 extern NCURSES_EXPORT(void) _nc_fifo_dump (SCREEN *);
1245 NCURSES_WRAPPED_VAR(long, _nc_outchars);
1246 NCURSES_WRAPPED_VAR(const char *, _nc_tputs_trace);
1247 #define _nc_outchars NCURSES_PUBLIC_VAR(_nc_outchars())
1248 #define _nc_tputs_trace NCURSES_PUBLIC_VAR(_nc_tputs_trace())
1249 extern NCURSES_EXPORT(void) _nc_set_tputs_trace (const char *);
1250 extern NCURSES_EXPORT(void) _nc_count_outchars (long);
1252 extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace;
1253 extern NCURSES_EXPORT_VAR(long) _nc_outchars;
1256 extern NCURSES_EXPORT_VAR(unsigned) _nc_tracing;
1258 #if USE_WIDEC_SUPPORT
1259 extern NCURSES_EXPORT(const char *) _nc_viswbuf2 (int, const wchar_t *);
1260 extern NCURSES_EXPORT(const char *) _nc_viswbufn (const wchar_t *, int);
1263 extern NCURSES_EXPORT(const char *) _nc_viscbuf2 (int, const NCURSES_CH_T *, int);
1264 extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int);
1268 #define START_TRACE() /* nothing */
1272 #define TPUTS_TRACE(s)
1274 #define returnAttr(code) return code
1275 #define returnBits(code) return code
1276 #define returnBool(code) return code
1277 #define returnCPtr(code) return code
1278 #define returnCVoidPtr(code) return code
1279 #define returnChar(code) return code
1280 #define returnCode(code) return code
1281 #define returnPtr(code) return code
1282 #define returnSP(code) return code
1283 #define returnVoid return
1284 #define returnVoidPtr(code) return code
1285 #define returnWin(code) return code
1287 #endif /* TRACE/!TRACE */
1290 * Return-codes for tgetent() and friends.
1292 #define TGETENT_YES 1 /* entry is found */
1293 #define TGETENT_NO 0 /* entry is not found */
1294 #define TGETENT_ERR -1 /* an error occurred */
1296 extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *);
1297 extern NCURSES_EXPORT(const char *) _nc_visbufn (const char *, int);
1299 #define empty_module(name) \
1300 extern NCURSES_EXPORT(void) name (void); \
1301 NCURSES_EXPORT(void) name (void) { }
1303 #define ALL_BUT_COLOR ((chtype)~(A_COLOR))
1304 #define NONBLANK_ATTR (A_NORMAL|A_BOLD|A_DIM|A_BLINK)
1305 #define XMC_CHANGES(c) ((c) & SP->_xmc_suppress)
1307 #define toggle_attr_on(S,at) {\
1308 if (PAIR_NUMBER(at) > 0) {\
1309 (S) = ((S) & ALL_BUT_COLOR) | (at);\
1313 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
1316 #define toggle_attr_off(S,at) {\
1317 if (PAIR_NUMBER(at) > 0) {\
1318 (S) &= ~(at|A_COLOR);\
1322 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
1324 #define DelCharCost(count) \
1327 : ((delete_character != 0) \
1328 ? (SP->_dch1_cost * count) \
1331 #define InsCharCost(count) \
1334 : ((enter_insert_mode && exit_insert_mode) \
1335 ? SP->_smir_cost + SP->_rmir_cost + (SP->_ip_cost * count) \
1336 : ((insert_character != 0) \
1337 ? ((SP->_ich1_cost + SP->_ip_cost) * count) \
1341 #define UpdateAttrs(c) if (!SameAttrOf(SCREEN_ATTRS(SP), c)) { \
1342 attr_t chg = AttrOf(SCREEN_ATTRS(SP)); \
1343 VIDATTR(AttrOf(c), GetPair(c)); \
1344 if (magic_cookie_glitch > 0 \
1345 && XMC_CHANGES((chg ^ AttrOf(SCREEN_ATTRS(SP))))) { \
1346 T(("%s @%d before glitch %d,%d", \
1347 __FILE__, __LINE__, \
1350 _nc_do_xmc_glitch(chg); \
1354 #define UpdateAttrs(c) if (!SameAttrOf(SCREEN_ATTRS(SP), c)) \
1355 VIDATTR(AttrOf(c), GetPair(c));
1359 * Macros to make additional parameter to implement wgetch_events()
1361 #ifdef NCURSES_WGETCH_EVENTS
1362 #define EVENTLIST_0th(param) param
1363 #define EVENTLIST_1st(param) param
1364 #define EVENTLIST_2nd(param) , param
1366 #define EVENTLIST_0th(param) void
1367 #define EVENTLIST_1st(param) /* nothing */
1368 #define EVENTLIST_2nd(param) /* nothing */
1371 #if NCURSES_EXPANDED && NCURSES_EXT_FUNCS
1373 #undef toggle_attr_on
1374 #define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at)
1375 extern NCURSES_EXPORT(void) _nc_toggle_attr_on (attr_t *, attr_t);
1377 #undef toggle_attr_off
1378 #define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at)
1379 extern NCURSES_EXPORT(void) _nc_toggle_attr_off (attr_t *, attr_t);
1382 #define DelCharCost(count) _nc_DelCharCost(count)
1383 extern NCURSES_EXPORT(int) _nc_DelCharCost (int);
1386 #define InsCharCost(count) _nc_InsCharCost(count)
1387 extern NCURSES_EXPORT(int) _nc_InsCharCost (int);
1390 #define UpdateAttrs(c) _nc_UpdateAttrs(c)
1391 extern NCURSES_EXPORT(void) _nc_UpdateAttrs (NCURSES_CH_T);
1395 extern NCURSES_EXPORT(void) _nc_expanded (void);
1400 #define getcwd(buf,len) getwd(buf)
1404 #if USE_WIDEC_SUPPORT
1405 extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t);
1406 extern NCURSES_EXPORT(int) _nc_to_char(wint_t);
1407 extern NCURSES_EXPORT(wint_t) _nc_to_widechar(int);
1412 short nte_name; /* offset of name to hash on */
1413 int nte_type; /* BOOLEAN, NUMBER or STRING */
1414 short nte_index; /* index of associated variable in its array */
1415 short nte_link; /* index in table of next hash, or -1 */
1427 extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t);
1431 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG)
1432 extern NCURSES_EXPORT(void) _nc_linedump (void);
1436 extern NCURSES_EXPORT(void) _nc_init_acs (void); /* corresponds to traditional 'init_acs()' */
1437 extern NCURSES_EXPORT(int) _nc_msec_cost (const char *const, int); /* used by 'tack' program */
1440 #if USE_WIDEC_SUPPORT
1441 NCURSES_EXPORT(int) _nc_build_wch(WINDOW *win, ARG_CH_T ch);
1445 #if USE_WIDEC_SUPPORT && !defined(USE_TERMLIB)
1446 extern NCURSES_EXPORT(int) _nc_wchstrlen(const cchar_t *);
1450 extern NCURSES_EXPORT(bool) _nc_reset_colors(void);
1453 extern NCURSES_EXPORT(int) _nc_wgetch(WINDOW *, unsigned long *, int EVENTLIST_2nd(_nc_eventlist *));
1456 extern NCURSES_EXPORT(int) _nc_insert_ch(WINDOW *, chtype);
1459 #define INFINITY 1000000 /* cost: too high to use */
1461 extern NCURSES_EXPORT(void) _nc_mvcur_init (void);
1462 extern NCURSES_EXPORT(void) _nc_mvcur_resume (void);
1463 extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void);
1465 extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int);
1467 extern NCURSES_EXPORT(void) _nc_screen_init (void);
1468 extern NCURSES_EXPORT(void) _nc_screen_resume (void);
1469 extern NCURSES_EXPORT(void) _nc_screen_wrap (void);
1472 extern NCURSES_EXPORT(int) _nc_has_mouse (void);
1475 #define INFINITY 1000000 /* cost: too high to use */
1476 #define BAUDBYTE 9 /* 9 = 7 bits + 1 parity + 1 stop */
1479 extern NCURSES_EXPORT(char *) _nc_get_locale(void);
1480 extern NCURSES_EXPORT(int) _nc_unicode_locale(void);
1481 extern NCURSES_EXPORT(int) _nc_locale_breaks_acs(void);
1482 extern NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *, int, int *, bool);
1483 extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, int *, int *);
1487 extern NCURSES_EXPORT(int) _nc_handle_sigwinch(SCREEN *);
1489 #define _nc_handle_sigwinch(a) /* nothing */
1493 extern NCURSES_EXPORT(int) _nc_ungetch (SCREEN *, int);
1496 #if USE_WIDEC_SUPPORT
1497 extern NCURSES_EXPORT(void) _nc_init_wacs(void);
1501 char *s_head; /* beginning of the string (may be null) */
1502 char *s_tail; /* end of the string (may be null) */
1503 size_t s_size; /* current remaining size available */
1504 size_t s_init; /* total size available */
1508 extern NCURSES_EXPORT(string_desc *) _nc_str_init (string_desc *, char *, size_t);
1509 extern NCURSES_EXPORT(string_desc *) _nc_str_null (string_desc *, size_t);
1510 extern NCURSES_EXPORT(string_desc *) _nc_str_copy (string_desc *, string_desc *);
1511 extern NCURSES_EXPORT(bool) _nc_safe_strcat (string_desc *, const char *);
1512 extern NCURSES_EXPORT(bool) _nc_safe_strcpy (string_desc *, const char *);
1515 #define strstr _nc_strstr
1516 extern NCURSES_EXPORT(char *) _nc_strstr (const char *, const char *);
1519 /* safe_sprintf.c */
1520 extern NCURSES_EXPORT(char *) _nc_printf_string (const char *, va_list);
1523 extern NCURSES_EXPORT(int) _nc_add_to_try (TRIES **, const char *, unsigned);
1524 extern NCURSES_EXPORT(char *) _nc_expand_try (TRIES *, unsigned, int *, size_t);
1525 extern NCURSES_EXPORT(int) _nc_remove_key (TRIES **, unsigned);
1526 extern NCURSES_EXPORT(int) _nc_remove_string (TRIES **, const char *);
1529 extern NCURSES_EXPORT(ENTRY *) _nc_delink_entry(ENTRY *, TERMTYPE *);
1530 extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int);
1531 extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t);
1532 extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *);
1533 extern NCURSES_EXPORT(int) _nc_access (const char *, int);
1534 extern NCURSES_EXPORT(int) _nc_baudrate (int);
1535 extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *);
1536 extern NCURSES_EXPORT(int) _nc_getenv_num (const char *);
1537 extern NCURSES_EXPORT(int) _nc_keypad (SCREEN *, bool);
1538 extern NCURSES_EXPORT(int) _nc_ospeed (int);
1539 extern NCURSES_EXPORT(int) _nc_outch (int);
1540 extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const);
1541 extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, bool, int);
1542 extern NCURSES_EXPORT(int) _nc_timed_wait(SCREEN *, int, int, int * EVENTLIST_2nd(_nc_eventlist *));
1543 extern NCURSES_EXPORT(void) _nc_do_color (short, short, bool, int (*)(int));
1544 extern NCURSES_EXPORT(void) _nc_flush (void);
1545 extern NCURSES_EXPORT(void) _nc_free_entry(ENTRY *, TERMTYPE *);
1546 extern NCURSES_EXPORT(void) _nc_freeall (void);
1547 extern NCURSES_EXPORT(void) _nc_hash_map (void);
1548 extern NCURSES_EXPORT(void) _nc_init_keytry (SCREEN *);
1549 extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *);
1550 extern NCURSES_EXPORT(void) _nc_make_oldhash (int i);
1551 extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot);
1552 extern NCURSES_EXPORT(void) _nc_scroll_optimize (void);
1553 extern NCURSES_EXPORT(void) _nc_set_buffer (FILE *, bool);
1554 extern NCURSES_EXPORT(void) _nc_signal_handler (bool);
1555 extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *);
1556 extern NCURSES_EXPORT(void) _nc_trace_tries (TRIES *);
1559 extern NCURSES_EXPORT(void) _nc_alloc_entry_leaks(void);
1560 extern NCURSES_EXPORT(void) _nc_captoinfo_leaks(void);
1561 extern NCURSES_EXPORT(void) _nc_codes_leaks(void);
1562 extern NCURSES_EXPORT(void) _nc_comp_captab_leaks(void);
1563 extern NCURSES_EXPORT(void) _nc_comp_scan_leaks(void);
1564 extern NCURSES_EXPORT(void) _nc_keyname_leaks(void);
1565 extern NCURSES_EXPORT(void) _nc_names_leaks(void);
1566 extern NCURSES_EXPORT(void) _nc_tgetent_leaks(void);
1570 extern NCURSES_EXPORT(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T);
1571 extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const NCURSES_CH_T);
1572 extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, NCURSES_SIZE_T const, NCURSES_SIZE_T const, NCURSES_CH_T);
1575 #if USE_WIDEC_SUPPORT && !defined(USE_TERMLIB)
1576 extern NCURSES_EXPORT(size_t) _nc_wcrtomb (char *, wchar_t, mbstate_t *);
1580 extern NCURSES_EXPORT(void) _nc_update_screensize (SCREEN *);
1584 extern NCURSES_EXPORT(void) _nc_resize_margins (WINDOW *);
1586 #define _nc_resize_margins(wp) /* nothing */
1589 #ifdef NCURSES_WGETCH_EVENTS
1590 extern NCURSES_EXPORT(int) _nc_eventlist_timeout(_nc_eventlist *);
1592 #define wgetch_events(win, evl) wgetch(win)
1593 #define wgetnstr_events(win, str, maxlen, evl) wgetnstr(win, str, maxlen)
1597 * Not everyone has vsscanf(), but we'd like to use it for scanw().
1600 extern int vsscanf(const char *str, const char *format, va_list __arg);
1603 /* scroll indices */
1604 extern NCURSES_EXPORT_VAR(int *) _nc_oldnums;
1606 #define USE_SETBUF_0 0
1608 #define NC_BUFFERED(flag) _nc_set_buffer(SP->_ofp, flag)
1610 #define NC_OUTPUT ((SP != 0) ? SP->_ofp : stdout)
1613 * On systems with a broken linker, define 'SP' as a function to force the
1614 * linker to pull in the data-only module with 'SP'.
1617 #define SP _nc_screen()
1618 extern NCURSES_EXPORT(SCREEN *) _nc_screen (void);
1619 extern NCURSES_EXPORT(int) _nc_alloc_screen (void);
1620 extern NCURSES_EXPORT(void) _nc_set_screen (SCREEN *);
1622 /* current screen is private data; avoid possible linking conflicts too */
1623 extern NCURSES_EXPORT_VAR(SCREEN *) SP;
1624 #define _nc_alloc_screen() ((SP = typeCalloc(SCREEN, 1)) != 0)
1625 #define _nc_set_screen(sp) SP = sp
1629 * We don't want to use the lines or columns capabilities internally, because
1630 * if the application is running multiple screens under X, it's quite possible
1631 * they could all have type xterm but have different sizes! So...
1633 #define screen_lines SP->_lines
1634 #define screen_columns SP->_columns
1636 extern NCURSES_EXPORT(int) _nc_slk_initialize (WINDOW *, int);
1639 * Some constants related to SLK's
1641 #define MAX_SKEY_OLD 8 /* count of soft keys */
1642 #define MAX_SKEY_LEN_OLD 8 /* max length of soft key text */
1643 #define MAX_SKEY_PC 12 /* This is what most PC's have */
1644 #define MAX_SKEY_LEN_PC 5
1646 /* Macro to check whether or not we use a standard format */
1647 #define SLK_STDFMT(fmt) (fmt < 3)
1648 /* Macro to determine height of label window */
1649 #define SLK_LINES(fmt) (SLK_STDFMT(fmt) ? 1 : ((fmt) - 2))
1651 #define MAX_SKEY(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_OLD : MAX_SKEY_PC)
1652 #define MAX_SKEY_LEN(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC)
1654 extern NCURSES_EXPORT(int) _nc_ripoffline (int line, int (*init)(WINDOW *,int));
1657 * Common error messages
1659 #define MSG_NO_MEMORY "Out of memory"
1660 #define MSG_NO_INPUTS "Premature EOF"
1666 #endif /* CURSES_PRIV_H */