1 /****************************************************************************
2 * Copyright (c) 1998-2006,2007 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 1.351 2007/11/25 00:57:29 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
306 #define _nc_lock_global(name) pthread_mutex_lock(&_nc_globals.mutex_##name)
307 #define _nc_unlock_global(name) pthread_mutex_unlock(&_nc_globals.mutex_##name)
309 extern NCURSES_EXPORT(void) _nc_lock_window(WINDOW *);
310 extern NCURSES_EXPORT(void) _nc_unlock_window(WINDOW *);
313 #error POSIX threads requires --enable-reentrant option
316 #define _nc_lock_global(name) /* nothing */
317 #define _nc_unlock_global(name) /* nothing */
319 #define _nc_lock_window(name) TRUE
320 #define _nc_unlock_window(name) /* nothing */
324 #define _nc_lock_screen(name) /* nothing */
325 #define _nc_unlock_screen(name) /* nothing */
328 * Definitions for color pairs
330 typedef unsigned colorpair_t; /* type big enough to store PAIR_OF() */
331 #define C_SHIFT 9 /* we need more bits than there are colors */
332 #define C_MASK ((1 << C_SHIFT) - 1)
333 #define PAIR_OF(fg, bg) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK))
334 #define isDefaultColor(c) ((c) >= COLOR_DEFAULT || (c) < 0)
336 #define COLOR_DEFAULT C_MASK
338 #if defined(USE_TERMLIB) && !defined(NEED_NCURSES_CH_T)
340 #undef NCURSES_CH_T /* this is not a termlib feature */
341 #define NCURSES_CH_T void /* ...but we need a pointer in SCREEN */
343 #endif /* USE_TERMLIB */
348 NCURSES_CH_T *text; /* text of the line */
349 NCURSES_SIZE_T firstchar; /* first changed character in the line */
350 NCURSES_SIZE_T lastchar; /* last changed character in the line */
351 NCURSES_SIZE_T oldindex; /* index of the line at last update */
353 #endif /* USE_TERMLIB */
356 M_XTERM = -1 /* use xterm's mouse tracking? */
357 ,M_NONE = 0 /* no mouse device */
362 ,M_SYSMOUSE /* FreeBSD sysmouse on console */
367 * Structures for scrolling.
371 unsigned long hashval;
372 int oldcount, newcount;
373 int oldindex, newindex;
377 * Structures for soft labels.
386 char *ent_text; /* text for the label */
387 char *form_text; /* formatted text (left/center/...) */
388 int ent_x; /* x coordinate of this field */
389 char dirty; /* this label has changed */
390 char visible; /* field is visible */
393 typedef struct _SLK {
394 char dirty; /* all labels have changed */
395 char hidden; /* soft labels are hidden */
398 short maxlab; /* number of available labels */
399 short labcnt; /* number of allocated labels */
400 short maxlen; /* length of labels */
401 NCURSES_CH_T attr; /* soft label attribute */
404 #endif /* USE_TERMLIB */
407 int line; /* lines to take, < 0 => from bottom*/
408 int (*hook)(WINDOW *, int); /* callback for user */
412 #undef buttons /* term.h defines this, and gpm uses it! */
416 /* link dynamically to GPM */
417 typedef int *TYPE_gpm_fd;
418 typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int);
419 typedef int (*TYPE_Gpm_Close) (void);
420 typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *);
422 #define my_gpm_fd SP->_mouse_gpm_fd
423 #define my_Gpm_Open SP->_mouse_Gpm_Open
424 #define my_Gpm_Close SP->_mouse_Gpm_Close
425 #define my_Gpm_GetEvent SP->_mouse_Gpm_GetEvent
427 /* link statically to GPM */
428 #define my_gpm_fd &gpm_fd
429 #define my_Gpm_Open Gpm_Open
430 #define my_Gpm_Close Gpm_Close
431 #define my_Gpm_GetEvent Gpm_GetEvent
432 #endif /* HAVE_LIBDL */
433 #endif /* USE_GPM_SUPPORT */
438 char *fix_sgr0; /* this holds the filtered sgr0 string */
439 char *last_bufp; /* help with fix_sgr0 leak */
443 #define TGETENT_MAX 4
464 const char *tparam_base;
466 STACK_FRAME stack[STACKSIZE];
476 int dynamic_var[NUM_VARS];
477 int static_vars[NUM_VARS];
486 * The filesystem database normally uses a single-letter for the lower level
487 * of directories. Use a hexadecimal code for filesystems which do not
488 * preserve mixed-case names.
490 #if MIXEDCASE_FILENAMES
491 #define LEAF_FMT "%c"
493 #define LEAF_FMT "%02x"
497 * TRACEMSE_FMT is no longer than 80 columns, there are 5 numbers that
498 * could at most have 10 digits, and the mask contains no more than 32 bits
499 * with each bit representing less than 15 characters. Usually the whole
500 * string is less than 80 columns, but this buffer size is an absolute
503 #define TRACEMSE_MAX (80 + (5 * 10) + (32 * 15))
504 #define TRACEMSE_FMT "id %2d at (%2d, %2d, %2d) state %4lx = {" /* } */
507 * Global data which is not specific to a screen.
510 SIG_ATOMIC_T have_sigwinch;
511 SIG_ATOMIC_T cleanup_nested;
516 const char *comp_sourcename;
519 bool have_tic_directory;
520 bool keep_tic_directory;
521 const char *tic_directory;
527 char **keyname_table;
530 size_t safeprint_used;
532 TGETENT_CACHE tgetent_cache[TGETENT_MAX];
534 long tgetent_sequence;
536 #if USE_HOME_TERMINFO
540 #if !USE_SAFE_SPRINTF
547 char trace_fname[PATH_MAX];
552 size_t tracearg_used;
554 TRACEBUF *tracebuf_ptr;
555 size_t tracebuf_used;
557 char tracechr_buf[40];
560 size_t tracedmp_used;
562 char tracemse_buf[TRACEMSE_MAX];
564 unsigned char *tracetry_buf;
565 size_t tracetry_used;
568 char traceatr_color_buf[2][80];
569 int traceatr_color_sel;
570 int traceatr_color_last;
571 #endif /* USE_TERMLIB */
576 pthread_mutex_t mutex_set_SP;
577 pthread_mutex_t mutex_use_screen;
578 pthread_mutex_t mutex_use_window;
579 pthread_mutex_t mutex_windowlist;
580 pthread_mutex_t mutex_tst_tracef;
581 pthread_mutex_t mutex_tracef;
586 extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals;
591 * Global data which is swept up into a SCREEN when one is created.
592 * It may be modified before the next SCREEN is created.
597 attr_t previous_attr;
598 ripoff_t rippedoff[N_RIPS];
600 TPARM_STATE tparm_state;
601 TTY *saved_tty; /* savetty/resetty information */
602 #if BROKEN_LINKER || USE_REENTRANT
603 chtype *real_acs_map;
608 const char *_tputs_trace;
613 extern NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen;
616 * The SCREEN structure.
620 int _ifd; /* input file ptr for screen */
621 FILE *_ofp; /* output file ptr for screen */
622 char *_setbuf; /* buffered I/O for output */
623 bool _filtered; /* filter() was called */
624 bool _buffered; /* setvbuf uses _setbuf data */
625 int _checkfd; /* filedesc for typeahead check */
626 TERMINAL *_term; /* terminal type information */
627 TTY _saved_tty; /* savetty/resetty information */
628 NCURSES_SIZE_T _lines; /* screen lines */
629 NCURSES_SIZE_T _columns; /* screen columns */
631 NCURSES_SIZE_T _lines_avail; /* lines available for stdscr */
632 NCURSES_SIZE_T _topstolen; /* lines stolen from top */
634 WINDOW *_curscr; /* current screen */
635 WINDOW *_newscr; /* virtual screen to be updated to */
636 WINDOW *_stdscr; /* screen's full-window context */
638 TRIES *_keytry; /* "Try" for use with keypad mode */
639 TRIES *_key_ok; /* Disabled keys via keyok(,FALSE) */
640 bool _tried; /* keypad mode was initialized */
641 bool _keypad_on; /* keypad mode is currently on */
643 bool _called_wgetch; /* check for recursion in wgetch() */
644 int _fifo[FIFO_SIZE]; /* input push-back buffer */
645 short _fifohead, /* head of fifo queue */
646 _fifotail, /* tail of fifo queue */
647 _fifopeek, /* where to peek for next char */
648 _fifohold; /* set if breakout marked */
650 int _endwin; /* are we out of window mode? */
651 NCURSES_CH_T *_current_attr; /* holds current attributes set */
652 int _coloron; /* is color enabled? */
653 int _color_defs; /* are colors modified */
654 int _cursor; /* visibility of the cursor */
655 int _cursrow; /* physical cursor row */
656 int _curscol; /* physical cursor column */
657 bool _notty; /* true if we cannot switch non-tty */
658 int _nl; /* True if NL -> CR/NL is on */
659 int _raw; /* True if in raw mode */
660 int _cbreak; /* 1 if in cbreak mode */
661 /* > 1 if in halfdelay mode */
662 int _echo; /* True if echo on */
663 int _use_meta; /* use the meta key? */
664 struct _SLK *_slk; /* ptr to soft key struct / NULL */
665 int slk_format; /* selected format for this screen */
666 /* cursor movement costs; units are 10ths of milliseconds */
667 #if NCURSES_NO_PADDING
668 int _no_padding; /* flag to set if padding disabled */
670 int _char_padding; /* cost of character put */
671 int _cr_cost; /* cost of (carriage_return) */
672 int _cup_cost; /* cost of (cursor_address) */
673 int _home_cost; /* cost of (cursor_home) */
674 int _ll_cost; /* cost of (cursor_to_ll) */
676 int _ht_cost; /* cost of (tab) */
677 int _cbt_cost; /* cost of (backtab) */
678 #endif /* USE_HARD_TABS */
679 int _cub1_cost; /* cost of (cursor_left) */
680 int _cuf1_cost; /* cost of (cursor_right) */
681 int _cud1_cost; /* cost of (cursor_down) */
682 int _cuu1_cost; /* cost of (cursor_up) */
683 int _cub_cost; /* cost of (parm_cursor_left) */
684 int _cuf_cost; /* cost of (parm_cursor_right) */
685 int _cud_cost; /* cost of (parm_cursor_down) */
686 int _cuu_cost; /* cost of (parm_cursor_up) */
687 int _hpa_cost; /* cost of (column_address) */
688 int _vpa_cost; /* cost of (row_address) */
689 /* used in tty_update.c, must be chars */
690 int _ed_cost; /* cost of (clr_eos) */
691 int _el_cost; /* cost of (clr_eol) */
692 int _el1_cost; /* cost of (clr_bol) */
693 int _dch1_cost; /* cost of (delete_character) */
694 int _ich1_cost; /* cost of (insert_character) */
695 int _dch_cost; /* cost of (parm_dch) */
696 int _ich_cost; /* cost of (parm_ich) */
697 int _ech_cost; /* cost of (erase_chars) */
698 int _rep_cost; /* cost of (repeat_char) */
699 int _hpa_ch_cost; /* cost of (column_address) */
700 int _cup_ch_cost; /* cost of (cursor_address) */
701 int _cuf_ch_cost; /* cost of (parm_cursor_right) */
702 int _inline_cost; /* cost of inline-move */
703 int _smir_cost; /* cost of (enter_insert_mode) */
704 int _rmir_cost; /* cost of (exit_insert_mode) */
705 int _ip_cost; /* cost of (insert_padding) */
706 /* used in lib_mvcur.c */
707 char * _address_cursor;
708 /* used in tty_update.c */
709 int _scrolling; /* 1 if terminal's smart enough to */
711 /* used in lib_color.c */
712 color_t *_color_table; /* screen's color palette */
713 int _color_count; /* count of colors in palette */
714 colorpair_t *_color_pairs; /* screen's color pair list */
715 int _pair_count; /* count of color pairs */
716 #if NCURSES_EXT_FUNCS
717 bool _default_color; /* use default colors */
718 bool _has_sgr_39_49; /* has ECMA default color support */
719 int _default_fg; /* assumed default foreground */
720 int _default_bg; /* assumed default background */
722 chtype _ok_attributes; /* valid attributes for terminal */
723 chtype _xmc_suppress; /* attributes to suppress if xmc */
724 chtype _xmc_triggers; /* attributes to process if xmc */
725 chtype * _acs_map; /* the real alternate-charset map */
726 bool * _screen_acs_map;
729 /* used in lib_vidattr.c */
730 bool _use_rmso; /* true if we may use 'rmso' */
731 bool _use_rmul; /* true if we may use 'rmul' */
734 * These data correspond to the state of the idcok() and idlok()
735 * functions. A caveat is in order here: the XSI and SVr4
736 * documentation specify that these functions apply to the window which
737 * is given as an argument. However, ncurses implements this logic
738 * only for the newscr/curscr update process, _not_ per-window.
742 #define _nc_idlok SP->_nc_sp_idlok
743 #define _nc_idcok SP->_nc_sp_idcok
746 * These are the data that support the mouse interface.
748 bool _mouse_initialized;
749 MouseType _mouse_type;
751 bool (*_mouse_event) (SCREEN *);
752 bool (*_mouse_inline)(SCREEN *);
753 bool (*_mouse_parse) (int);
754 void (*_mouse_resume)(SCREEN *);
755 void (*_mouse_wrap) (SCREEN *);
756 int _mouse_fd; /* file-descriptor, if any */
757 bool _mouse_active; /* true if initialized */
759 NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */
760 MEVENT _mouse_events[EV_MAX]; /* hold the last mouse event seen */
761 MEVENT *_mouse_eventp; /* next free slot in event queue */
764 bool _mouse_gpm_loaded;
765 bool _mouse_gpm_found;
767 TYPE_gpm_fd _mouse_gpm_fd;
768 TYPE_Gpm_Open _mouse_Gpm_Open;
769 TYPE_Gpm_Close _mouse_Gpm_Close;
770 TYPE_Gpm_GetEvent _mouse_Gpm_GetEvent;
772 Gpm_Connect _mouse_gpm_connect;
773 #endif /* USE_GPM_SUPPORT */
777 int _emxmouse_thread;
778 int _emxmouse_activated;
779 char _emxmouse_buttons[4];
783 MEVENT _sysmouse_fifo[FIFO_SIZE];
786 int _sysmouse_char_width; /* character width */
787 int _sysmouse_char_height; /* character height */
788 int _sysmouse_old_buttons;
789 int _sysmouse_new_buttons;
793 * This supports automatic resizing
796 int (*_resize)(int,int);
800 * These are data that support the proper handling of the panel stack on an
803 struct panelhook _panelHook;
805 * Linked-list of all windows, to support '_nc_resizeall()' and
808 WINDOWLIST *_nc_sp_windows;
809 #define _nc_windows SP->_nc_sp_windows
812 SCREEN *_next_screen;
814 /* hashes for old and new lines */
815 unsigned long *oldhash, *newhash;
821 bool _cleanup; /* cleanup after int/quit signal */
822 int (*_outch)(int); /* output handler if not putc */
824 int _legacy_coding; /* see use_legacy_coding() */
827 char _ttytype[NAMESIZE];
834 const char *_tputs_trace;
838 * ncurses/ncursesw are the same up to this point.
840 #if USE_WIDEC_SUPPORT
841 /* recent versions of 'screen' have partially-working support for
842 * UTF-8, but do not permit ACS at the same time (see tty_update.c).
844 bool _screen_acs_fix;
848 extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain;
849 extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
852 WINDOW win; /* first, so WINDOW_EXT() works */
854 #ifdef _XOPEN_SOURCE_EXTENDED
855 char addch_work[(MB_LEN_MAX * 9) + 1];
856 unsigned addch_used; /* number of bytes in addch_work[] */
857 int addch_x; /* x-position for addch_work[] */
858 int addch_y; /* y-position for addch_work[] */
861 pthread_mutex_t mutex_use_window;
865 #define WINDOW_EXT(win,field) (((WINDOWLIST *)(win))->field)
867 /* usually in <limits.h> */
869 #define UCHAR_MAX 255
872 /* The terminfo source is assumed to be 7-bit ASCII */
873 #define is7bits(c) ((unsigned)(c) < 128)
875 /* Checks for isprint() should be done on 8-bit characters (non-wide) */
876 #define is8bits(c) ((unsigned)(c) <= UCHAR_MAX)
879 #define min(a,b) ((a) > (b) ? (b) : (a))
883 #define max(a,b) ((a) < (b) ? (b) : (a))
886 /* usually in <unistd.h> */
888 #define STDIN_FILENO 0
891 #ifndef STDOUT_FILENO
892 #define STDOUT_FILENO 1
895 #ifndef STDERR_FILENO
896 #define STDERR_FILENO 2
900 #define EXIT_SUCCESS 0
904 #define EXIT_FAILURE 1
908 #define R_OK 4 /* Test for read permission. */
911 #define W_OK 2 /* Test for write permission. */
914 #define X_OK 1 /* Test for execute permission. */
917 #define F_OK 0 /* Test for existence. */
921 #include <fcntl.h> /* may define O_BINARY */
930 #define COUNT_OUTCHARS(n) _nc_count_outchars(n);
932 #define COUNT_OUTCHARS(n) _nc_outchars += (n);
935 #define COUNT_OUTCHARS(n) /* nothing */
938 #define RESET_OUTCHARS() COUNT_OUTCHARS(-_nc_outchars)
940 #define UChar(c) ((unsigned char)(c))
941 #define ChCharOf(c) ((c) & (chtype)A_CHARTEXT)
942 #define ChAttrOf(c) ((c) & (chtype)A_ATTRIBUTES)
945 #define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */
948 #if USE_WIDEC_SUPPORT /* { */
949 #define isEILSEQ(status) (((size_t)status == (size_t)-1) && (errno == EILSEQ))
951 #define init_mb(state) memset(&state, 0, sizeof(state))
953 #if NCURSES_EXT_COLORS
956 #define NulColor /* nothing */
959 #define NulChar 0,0,0,0 /* FIXME: see CCHARW_MAX */
960 #define CharOf(c) ((c).chars[0])
961 #define AttrOf(c) ((c).attr)
963 #define AddAttr(c,a) AttrOf(c) |= ((a) & A_ATTRIBUTES)
964 #define RemAttr(c,a) AttrOf(c) &= ~((a) & A_ATTRIBUTES)
965 #define SetAttr(c,a) AttrOf(c) = ((a) & A_ATTRIBUTES) | WidecExt(c)
967 #define NewChar2(c,a) { a, { c, NulChar } NulColor }
968 #define NewChar(ch) NewChar2(ChCharOf(ch), ChAttrOf(ch))
971 #define CharEq(a,b) (((a).attr == (b).attr) \
972 && (a).chars[0] == (b).chars[0] \
973 && (a).chars[1] == (b).chars[1] \
974 && (a).chars[2] == (b).chars[2] \
975 && (a).chars[3] == (b).chars[3] \
976 && (a).chars[4] == (b).chars[4] \
977 if_EXT_COLORS(&& (a).ext_color == (b).ext_color))
979 #define CharEq(a,b) (!memcmp(&(a), &(b), sizeof(a)))
982 #define SetChar(ch,c,a) do { \
983 NCURSES_CH_T *_cp = &ch; \
984 memset(_cp, 0, sizeof(ch)); \
985 _cp->chars[0] = (c); \
987 if_EXT_COLORS(SetPair(ch, PAIR_NUMBER(a))); \
989 #define CHREF(wch) (&wch)
990 #define CHDEREF(wch) (*wch)
991 #define ARG_CH_T NCURSES_CH_T *
992 #define CARG_CH_T const NCURSES_CH_T *
993 #define PUTC_DATA char PUTC_buf[MB_LEN_MAX]; int PUTC_i, PUTC_n; \
994 mbstate_t PUT_st; wchar_t PUTC_ch
995 #define PUTC_INIT init_mb (PUT_st)
996 #define PUTC(ch,b) do { if(!isWidecExt(ch)) { \
997 if (Charable(ch)) { \
998 fputc(CharOf(ch), b); \
1002 for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) { \
1003 PUTC_ch = (ch).chars[PUTC_i]; \
1004 if (PUTC_ch == L'\0') \
1006 PUTC_n = wcrtomb(PUTC_buf, \
1007 (ch).chars[PUTC_i], &PUT_st); \
1008 if (PUTC_n <= 0) { \
1009 if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) \
1013 fwrite(PUTC_buf, (unsigned) PUTC_n, 1, b); \
1015 COUNT_OUTCHARS(PUTC_i); \
1018 #define BLANK NewChar2(' ', WA_NORMAL)
1019 #define ZEROS NewChar2('\0', WA_NORMAL)
1020 #define ISBLANK(ch) ((ch).chars[0] == L' ' && (ch).chars[1] == L'\0')
1023 * Wide characters cannot be represented in the A_CHARTEXT mask of
1024 * attr_t's but an application might have set a narrow character there.
1025 * But even in that case, it would only be a printable character, or
1026 * zero. Otherwise we can use those bits to tell if a cell is the
1027 * first or extension part of a wide character.
1029 #define WidecExt(ch) (AttrOf(ch) & A_CHARTEXT)
1030 #define isWidecBase(ch) (WidecExt(ch) == 1)
1031 #define isWidecExt(ch) (WidecExt(ch) > 1 && WidecExt(ch) < 32)
1032 #define SetWidecExt(dst, ext) AttrOf(dst) &= ~A_CHARTEXT, \
1033 AttrOf(dst) |= (ext + 1)
1035 #define if_WIDEC(code) code
1036 #define Charable(ch) ((SP != 0 && SP->_legacy_coding) \
1037 || (AttrOf(ch) & A_ALTCHARSET) \
1038 || (!isWidecExt(ch) && \
1039 (ch).chars[1] == L'\0' && \
1040 _nc_is_charable(CharOf(ch))))
1042 #define L(ch) L ## ch
1044 #define CharOf(c) ChCharOf(c)
1045 #define AttrOf(c) ChAttrOf(c)
1046 #define AddAttr(c,a) c |= (a)
1047 #define RemAttr(c,a) c &= ~((a) & A_ATTRIBUTES)
1048 #define SetAttr(c,a) c = ((c) & ~A_ATTRIBUTES) | (a)
1049 #define NewChar(ch) (ch)
1050 #define NewChar2(c,a) ((c) | (a))
1051 #define CharEq(a,b) ((a) == (b))
1052 #define SetChar(ch,c,a) ch = (c) | (a)
1053 #define CHREF(wch) wch
1054 #define CHDEREF(wch) wch
1055 #define ARG_CH_T NCURSES_CH_T
1056 #define CARG_CH_T NCURSES_CH_T
1057 #define PUTC_DATA int data = 0
1058 #define PUTC(ch,b) do { data = CharOf(ch); putc(data,b); } while (0)
1060 #define BLANK (' '|A_NORMAL)
1061 #define ZEROS ('\0'|A_NORMAL)
1062 #define ISBLANK(ch) (CharOf(ch) == ' ')
1064 #define isWidecExt(ch) (0)
1065 #define if_WIDEC(code) /* nothing */
1070 #define AttrOfD(ch) AttrOf(CHDEREF(ch))
1071 #define CharOfD(ch) CharOf(CHDEREF(ch))
1072 #define SetChar2(wch,ch) SetChar(wch,ChCharOf(ch),ChAttrOf(ch))
1074 #define BLANK_ATTR A_NORMAL
1075 #define BLANK_TEXT L(' ')
1079 #define LEGALYX(w, y, x) \
1081 ((x) >= 0 && (x) <= (w)->_maxx && \
1082 (y) >= 0 && (y) <= (w)->_maxy))
1084 #define CHANGED_CELL(line,col) \
1085 if (line->firstchar == _NOCHANGE) \
1086 line->firstchar = line->lastchar = col; \
1087 else if ((col) < line->firstchar) \
1088 line->firstchar = col; \
1089 else if ((col) > line->lastchar) \
1090 line->lastchar = col
1092 #define CHANGED_RANGE(line,start,end) \
1093 if (line->firstchar == _NOCHANGE \
1094 || line->firstchar > (start)) \
1095 line->firstchar = start; \
1096 if (line->lastchar == _NOCHANGE \
1097 || line->lastchar < (end)) \
1098 line->lastchar = end
1100 #define CHANGED_TO_EOL(line,start,end) \
1101 if (line->firstchar == _NOCHANGE \
1102 || line->firstchar > (start)) \
1103 line->firstchar = start; \
1104 line->lastchar = end
1106 #define SIZEOF(v) (sizeof(v)/sizeof(v[0]))
1108 #define FreeIfNeeded(p) if ((p) != 0) free(p)
1110 /* FreeAndNull() is not a comma-separated expression because some compilers
1111 * do not accept a mixture of void with values.
1113 #define FreeAndNull(p) free(p); p = 0
1115 #include <nc_alloc.h>
1118 * TTY bit definition for converting tabs to spaces.
1121 # define OFLAGS_TABS TAB3 /* POSIX specifies TAB3 */
1124 # define OFLAGS_TABS XTABS /* XTABS is usually the "same" */
1127 # define OFLAGS_TABS OXTABS /* the traditional BSD equivalent */
1129 # define OFLAGS_TABS 0
1135 * Prefixes for call/return points of library function traces. We use these to
1136 * instrument the public functions so that the traces can be easily transformed
1137 * into regression scripts.
1139 #define T_CALLED(fmt) "called {" fmt
1140 #define T_CREATE(fmt) "create :" fmt
1141 #define T_RETURN(fmt) "return }" fmt
1146 #define TPUTS_TRACE(s) _nc_set_tputs_trace(s);
1148 #define TPUTS_TRACE(s) _nc_tputs_trace = s;
1151 #define START_TRACE() \
1152 if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \
1153 int t = _nc_getenv_num("NCURSES_TRACE"); \
1155 trace((unsigned) t); \
1159 * Many of the _tracef() calls use static buffers; lock the trace state before
1160 * trying to fill them.
1163 #define USE_TRACEF(mask) _nc_use_tracef(mask)
1164 extern NCURSES_EXPORT(int) _nc_use_tracef (unsigned);
1165 extern NCURSES_EXPORT(void) _nc_locked_tracef (const char *, ...) GCC_PRINTFLIKE(1,2);
1167 #define USE_TRACEF(mask) (_nc_tracing & (mask))
1168 #define _nc_locked_tracef _tracef
1171 #define TR(n, a) if (USE_TRACEF(n)) _nc_locked_tracef a
1172 #define T(a) TR(TRACE_CALLS, a)
1173 #define TRACE_RETURN(value,type) return _nc_retrace_##type(value)
1175 #define returnAttr(code) TRACE_RETURN(code,attr_t)
1176 #define returnBits(code) TRACE_RETURN(code,unsigned)
1177 #define returnBool(code) TRACE_RETURN(code,bool)
1178 #define returnCPtr(code) TRACE_RETURN(code,cptr)
1179 #define returnCVoidPtr(code) TRACE_RETURN(code,cvoid_ptr)
1180 #define returnChar(code) TRACE_RETURN(code,chtype)
1181 #define returnCode(code) TRACE_RETURN(code,int)
1182 #define returnPtr(code) TRACE_RETURN(code,ptr)
1183 #define returnSP(code) TRACE_RETURN(code,sp)
1184 #define returnVoid T((T_RETURN(""))); return
1185 #define returnVoidPtr(code) TRACE_RETURN(code,void_ptr)
1186 #define returnWin(code) TRACE_RETURN(code,win)
1188 extern NCURSES_EXPORT(NCURSES_BOOL) _nc_retrace_bool (NCURSES_BOOL);
1189 extern NCURSES_EXPORT(NCURSES_CONST void *) _nc_retrace_cvoid_ptr (NCURSES_CONST void *);
1190 extern NCURSES_EXPORT(SCREEN *) _nc_retrace_sp (SCREEN *);
1191 extern NCURSES_EXPORT(WINDOW *) _nc_retrace_win (WINDOW *);
1192 extern NCURSES_EXPORT(attr_t) _nc_retrace_attr_t (attr_t);
1193 extern NCURSES_EXPORT(char *) _nc_retrace_ptr (char *);
1194 extern NCURSES_EXPORT(char *) _nc_trace_ttymode(TTY *tty);
1195 extern NCURSES_EXPORT(char *) _nc_varargs (const char *, va_list);
1196 extern NCURSES_EXPORT(chtype) _nc_retrace_chtype (chtype);
1197 extern NCURSES_EXPORT(const char *) _nc_altcharset_name(attr_t, chtype);
1198 extern NCURSES_EXPORT(const char *) _nc_retrace_cptr (const char *);
1199 extern NCURSES_EXPORT(int) _nc_retrace_int (int);
1200 extern NCURSES_EXPORT(unsigned) _nc_retrace_unsigned (unsigned);
1201 extern NCURSES_EXPORT(void *) _nc_retrace_void_ptr (void *);
1202 extern NCURSES_EXPORT(void) _nc_fifo_dump (void);
1205 NCURSES_WRAPPED_VAR(long, _nc_outchars);
1206 NCURSES_WRAPPED_VAR(const char *, _nc_tputs_trace);
1207 #define _nc_outchars NCURSES_PUBLIC_VAR(_nc_outchars())
1208 #define _nc_tputs_trace NCURSES_PUBLIC_VAR(_nc_tputs_trace())
1209 extern NCURSES_EXPORT(void) _nc_set_tputs_trace (const char *);
1210 extern NCURSES_EXPORT(void) _nc_count_outchars (long);
1212 extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace;
1213 extern NCURSES_EXPORT_VAR(long) _nc_outchars;
1216 extern NCURSES_EXPORT_VAR(unsigned) _nc_tracing;
1218 #if USE_WIDEC_SUPPORT
1219 extern NCURSES_EXPORT(const char *) _nc_viswbuf2 (int, const wchar_t *);
1220 extern NCURSES_EXPORT(const char *) _nc_viswbufn (const wchar_t *, int);
1223 extern NCURSES_EXPORT(const char *) _nc_viscbuf2 (int, const NCURSES_CH_T *, int);
1224 extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int);
1228 #define START_TRACE() /* nothing */
1232 #define TPUTS_TRACE(s)
1234 #define returnAttr(code) return code
1235 #define returnBits(code) return code
1236 #define returnBool(code) return code
1237 #define returnCPtr(code) return code
1238 #define returnCVoidPtr(code) return code
1239 #define returnChar(code) return code
1240 #define returnCode(code) return code
1241 #define returnPtr(code) return code
1242 #define returnSP(code) return code
1243 #define returnVoid return
1244 #define returnVoidPtr(code) return code
1245 #define returnWin(code) return code
1247 #endif /* TRACE/!TRACE */
1250 * Return-codes for tgetent() and friends.
1252 #define TGETENT_YES 1 /* entry is found */
1253 #define TGETENT_NO 0 /* entry is not found */
1254 #define TGETENT_ERR -1 /* an error occurred */
1256 extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *);
1257 extern NCURSES_EXPORT(const char *) _nc_visbufn (const char *, int);
1259 #define empty_module(name) \
1260 extern NCURSES_EXPORT(void) name (void); \
1261 NCURSES_EXPORT(void) name (void) { }
1263 #define ALL_BUT_COLOR ((chtype)~(A_COLOR))
1264 #define NONBLANK_ATTR (A_NORMAL|A_BOLD|A_DIM|A_BLINK)
1265 #define XMC_CHANGES(c) ((c) & SP->_xmc_suppress)
1267 #define toggle_attr_on(S,at) {\
1268 if (PAIR_NUMBER(at) > 0) {\
1269 (S) = ((S) & ALL_BUT_COLOR) | (at);\
1273 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
1276 #define toggle_attr_off(S,at) {\
1277 if (PAIR_NUMBER(at) > 0) {\
1278 (S) &= ~(at|A_COLOR);\
1282 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
1284 #define DelCharCost(count) \
1287 : ((delete_character != 0) \
1288 ? (SP->_dch1_cost * count) \
1291 #define InsCharCost(count) \
1294 : ((enter_insert_mode && exit_insert_mode) \
1295 ? SP->_smir_cost + SP->_rmir_cost + (SP->_ip_cost * count) \
1296 : ((insert_character != 0) \
1297 ? ((SP->_ich1_cost + SP->_ip_cost) * count) \
1301 #define UpdateAttrs(c) if (!SameAttrOf(SCREEN_ATTRS(SP), c)) { \
1302 attr_t chg = AttrOf(SCREEN_ATTRS(SP)); \
1303 VIDATTR(AttrOf(c), GetPair(c)); \
1304 if (magic_cookie_glitch > 0 \
1305 && XMC_CHANGES((chg ^ AttrOf(SCREEN_ATTRS(SP))))) { \
1306 T(("%s @%d before glitch %d,%d", \
1307 __FILE__, __LINE__, \
1310 _nc_do_xmc_glitch(chg); \
1314 #define UpdateAttrs(c) if (!SameAttrOf(SCREEN_ATTRS(SP), c)) \
1315 VIDATTR(AttrOf(c), GetPair(c));
1319 * Macros to make additional parameter to implement wgetch_events()
1321 #ifdef NCURSES_WGETCH_EVENTS
1322 #define EVENTLIST_0th(param) param
1323 #define EVENTLIST_1st(param) param
1324 #define EVENTLIST_2nd(param) , param
1326 #define EVENTLIST_0th(param) void
1327 #define EVENTLIST_1st(param) /* nothing */
1328 #define EVENTLIST_2nd(param) /* nothing */
1331 #if NCURSES_EXPANDED && NCURSES_EXT_FUNCS
1333 #undef toggle_attr_on
1334 #define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at)
1335 extern NCURSES_EXPORT(void) _nc_toggle_attr_on (attr_t *, attr_t);
1337 #undef toggle_attr_off
1338 #define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at)
1339 extern NCURSES_EXPORT(void) _nc_toggle_attr_off (attr_t *, attr_t);
1342 #define DelCharCost(count) _nc_DelCharCost(count)
1343 extern NCURSES_EXPORT(int) _nc_DelCharCost (int);
1346 #define InsCharCost(count) _nc_InsCharCost(count)
1347 extern NCURSES_EXPORT(int) _nc_InsCharCost (int);
1350 #define UpdateAttrs(c) _nc_UpdateAttrs(c)
1351 extern NCURSES_EXPORT(void) _nc_UpdateAttrs (NCURSES_CH_T);
1355 extern NCURSES_EXPORT(void) _nc_expanded (void);
1360 #define getcwd(buf,len) getwd(buf)
1364 #if USE_WIDEC_SUPPORT
1365 extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t);
1366 extern NCURSES_EXPORT(int) _nc_to_char(wint_t);
1367 extern NCURSES_EXPORT(wint_t) _nc_to_widechar(int);
1372 short nte_name; /* offset of name to hash on */
1373 int nte_type; /* BOOLEAN, NUMBER or STRING */
1374 short nte_index; /* index of associated variable in its array */
1375 short nte_link; /* index in table of next hash, or -1 */
1387 extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t);
1391 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG)
1392 extern NCURSES_EXPORT(void) _nc_linedump (void);
1396 extern NCURSES_EXPORT(void) _nc_init_acs (void); /* corresponds to traditional 'init_acs()' */
1397 extern NCURSES_EXPORT(int) _nc_msec_cost (const char *const, int); /* used by 'tack' program */
1400 #if USE_WIDEC_SUPPORT
1401 NCURSES_EXPORT(int) _nc_build_wch(WINDOW *win, ARG_CH_T ch);
1405 #if USE_WIDEC_SUPPORT && !defined(USE_TERMLIB)
1406 extern NCURSES_EXPORT(int) _nc_wchstrlen(const cchar_t *);
1410 extern NCURSES_EXPORT(bool) _nc_reset_colors(void);
1413 extern NCURSES_EXPORT(int) _nc_wgetch(WINDOW *, unsigned long *, int EVENTLIST_2nd(_nc_eventlist *));
1416 extern NCURSES_EXPORT(int) _nc_insert_ch(WINDOW *, chtype);
1419 #define INFINITY 1000000 /* cost: too high to use */
1421 extern NCURSES_EXPORT(void) _nc_mvcur_init (void);
1422 extern NCURSES_EXPORT(void) _nc_mvcur_resume (void);
1423 extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void);
1425 extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int);
1427 extern NCURSES_EXPORT(void) _nc_screen_init (void);
1428 extern NCURSES_EXPORT(void) _nc_screen_resume (void);
1429 extern NCURSES_EXPORT(void) _nc_screen_wrap (void);
1432 extern NCURSES_EXPORT(int) _nc_has_mouse (void);
1435 #define INFINITY 1000000 /* cost: too high to use */
1436 #define BAUDBYTE 9 /* 9 = 7 bits + 1 parity + 1 stop */
1439 extern NCURSES_EXPORT(char *) _nc_get_locale(void);
1440 extern NCURSES_EXPORT(int) _nc_unicode_locale(void);
1441 extern NCURSES_EXPORT(int) _nc_locale_breaks_acs(void);
1442 extern NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *, int, int *, bool);
1443 extern NCURSES_EXPORT(void) _nc_get_screensize(int *, int *);
1447 extern NCURSES_EXPORT(int) _nc_handle_sigwinch(int);
1449 #define _nc_handle_sigwinch(a) /* nothing */
1453 #if USE_WIDEC_SUPPORT
1454 extern NCURSES_EXPORT(void) _nc_init_wacs(void);
1458 char *s_head; /* beginning of the string (may be null) */
1459 char *s_tail; /* end of the string (may be null) */
1460 size_t s_size; /* current remaining size available */
1461 size_t s_init; /* total size available */
1465 extern NCURSES_EXPORT(string_desc *) _nc_str_init (string_desc *, char *, size_t);
1466 extern NCURSES_EXPORT(string_desc *) _nc_str_null (string_desc *, size_t);
1467 extern NCURSES_EXPORT(string_desc *) _nc_str_copy (string_desc *, string_desc *);
1468 extern NCURSES_EXPORT(bool) _nc_safe_strcat (string_desc *, const char *);
1469 extern NCURSES_EXPORT(bool) _nc_safe_strcpy (string_desc *, const char *);
1472 #define strstr _nc_strstr
1473 extern NCURSES_EXPORT(char *) _nc_strstr (const char *, const char *);
1476 /* safe_sprintf.c */
1477 extern NCURSES_EXPORT(char *) _nc_printf_string (const char *, va_list);
1480 extern NCURSES_EXPORT(int) _nc_add_to_try (TRIES **, const char *, unsigned);
1481 extern NCURSES_EXPORT(char *) _nc_expand_try (TRIES *, unsigned, int *, size_t);
1482 extern NCURSES_EXPORT(int) _nc_remove_key (TRIES **, unsigned);
1483 extern NCURSES_EXPORT(int) _nc_remove_string (TRIES **, const char *);
1486 extern NCURSES_EXPORT(ENTRY *) _nc_delink_entry(ENTRY *, TERMTYPE *);
1487 extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int);
1488 extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t);
1489 extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *);
1490 extern NCURSES_EXPORT(int) _nc_access (const char *, int);
1491 extern NCURSES_EXPORT(int) _nc_baudrate (int);
1492 extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *);
1493 extern NCURSES_EXPORT(int) _nc_getenv_num (const char *);
1494 extern NCURSES_EXPORT(int) _nc_keypad (bool);
1495 extern NCURSES_EXPORT(int) _nc_ospeed (int);
1496 extern NCURSES_EXPORT(int) _nc_outch (int);
1497 extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const);
1498 extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, bool, int);
1499 extern NCURSES_EXPORT(int) _nc_timed_wait(int, int, int * EVENTLIST_2nd(_nc_eventlist *));
1500 extern NCURSES_EXPORT(void) _nc_do_color (short, short, bool, int (*)(int));
1501 extern NCURSES_EXPORT(void) _nc_flush (void);
1502 extern NCURSES_EXPORT(void) _nc_free_entry(ENTRY *, TERMTYPE *);
1503 extern NCURSES_EXPORT(void) _nc_freeall (void);
1504 extern NCURSES_EXPORT(void) _nc_hash_map (void);
1505 extern NCURSES_EXPORT(void) _nc_init_keytry (void);
1506 extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *);
1507 extern NCURSES_EXPORT(void) _nc_make_oldhash (int i);
1508 extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot);
1509 extern NCURSES_EXPORT(void) _nc_scroll_optimize (void);
1510 extern NCURSES_EXPORT(void) _nc_set_buffer (FILE *, bool);
1511 extern NCURSES_EXPORT(void) _nc_signal_handler (bool);
1512 extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *);
1513 extern NCURSES_EXPORT(void) _nc_trace_tries (TRIES *);
1516 extern NCURSES_EXPORT(void) _nc_alloc_entry_leaks(void);
1517 extern NCURSES_EXPORT(void) _nc_captoinfo_leaks(void);
1518 extern NCURSES_EXPORT(void) _nc_codes_leaks(void);
1519 extern NCURSES_EXPORT(void) _nc_comp_captab_leaks(void);
1520 extern NCURSES_EXPORT(void) _nc_comp_scan_leaks(void);
1521 extern NCURSES_EXPORT(void) _nc_keyname_leaks(void);
1522 extern NCURSES_EXPORT(void) _nc_names_leaks(void);
1523 extern NCURSES_EXPORT(void) _nc_tgetent_leaks(void);
1527 extern NCURSES_EXPORT(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T);
1528 extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const NCURSES_CH_T);
1529 extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, NCURSES_SIZE_T const, NCURSES_SIZE_T const, NCURSES_CH_T);
1532 #if USE_WIDEC_SUPPORT && !defined(USE_TERMLIB)
1533 extern NCURSES_EXPORT(size_t) _nc_wcrtomb (char *, wchar_t, mbstate_t *);
1537 extern NCURSES_EXPORT(void) _nc_update_screensize (void);
1541 extern NCURSES_EXPORT(void) _nc_resize_margins (WINDOW *);
1543 #define _nc_resize_margins(wp) /* nothing */
1546 #ifdef NCURSES_WGETCH_EVENTS
1547 extern NCURSES_EXPORT(int) _nc_eventlist_timeout(_nc_eventlist *);
1549 #define wgetch_events(win, evl) wgetch(win)
1550 #define wgetnstr_events(win, str, maxlen, evl) wgetnstr(win, str, maxlen)
1554 * Not everyone has vsscanf(), but we'd like to use it for scanw().
1557 extern int vsscanf(const char *str, const char *format, va_list __arg);
1560 /* scroll indices */
1561 extern NCURSES_EXPORT_VAR(int *) _nc_oldnums;
1563 #define USE_SETBUF_0 0
1565 #define NC_BUFFERED(flag) _nc_set_buffer(SP->_ofp, flag)
1567 #define NC_OUTPUT ((SP != 0) ? SP->_ofp : stdout)
1570 * On systems with a broken linker, define 'SP' as a function to force the
1571 * linker to pull in the data-only module with 'SP'.
1574 #define SP _nc_screen()
1575 extern NCURSES_EXPORT(SCREEN *) _nc_screen (void);
1576 extern NCURSES_EXPORT(int) _nc_alloc_screen (void);
1577 extern NCURSES_EXPORT(void) _nc_set_screen (SCREEN *);
1579 /* current screen is private data; avoid possible linking conflicts too */
1580 extern NCURSES_EXPORT_VAR(SCREEN *) SP;
1581 #define _nc_alloc_screen() ((SP = typeCalloc(SCREEN, 1)) != 0)
1582 #define _nc_set_screen(sp) SP = sp
1586 * We don't want to use the lines or columns capabilities internally, because
1587 * if the application is running multiple screens under X, it's quite possible
1588 * they could all have type xterm but have different sizes! So...
1590 #define screen_lines SP->_lines
1591 #define screen_columns SP->_columns
1593 extern NCURSES_EXPORT_VAR(int) _nc_slk_format; /* != 0 if slk_init() called */
1594 extern NCURSES_EXPORT(int) _nc_slk_initialize (WINDOW *, int);
1597 * Some constants related to SLK's
1599 #define MAX_SKEY_OLD 8 /* count of soft keys */
1600 #define MAX_SKEY_LEN_OLD 8 /* max length of soft key text */
1601 #define MAX_SKEY_PC 12 /* This is what most PC's have */
1602 #define MAX_SKEY_LEN_PC 5
1604 /* Macro to check whether or not we use a standard format */
1605 #define SLK_STDFMT(fmt) (fmt < 3)
1606 /* Macro to determine height of label window */
1607 #define SLK_LINES(fmt) (SLK_STDFMT(fmt) ? 1 : ((fmt) - 2))
1609 #define MAX_SKEY(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_OLD : MAX_SKEY_PC)
1610 #define MAX_SKEY_LEN(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC)
1612 extern NCURSES_EXPORT(int) _nc_ripoffline (int line, int (*init)(WINDOW *,int));
1615 * Common error messages
1617 #define MSG_NO_MEMORY "Out of memory"
1618 #define MSG_NO_INPUTS "Premature EOF"
1624 #endif /* CURSES_PRIV_H */