/**************************************************************************** * Copyright (c) 1998-2003,2004 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * * "Software"), to deal in the Software without restriction, including * * without limitation the rights to use, copy, modify, merge, publish, * * distribute, distribute with modifications, sublicense, and/or sell * * copies of the Software, and to permit persons to whom the Software is * * furnished to do so, subject to the following conditions: * * * * The above copyright notice and this permission notice shall be included * * in all copies or substantial portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * * * Except as contained in this notice, the name(s) of the above copyright * * holders shall not be used in advertising or otherwise to promote the * * sale, use or other dealings in this Software without prior written * * authorization. * ****************************************************************************/ /**************************************************************************** * Author: Zeyd M. Ben-Halim 1992,1995 * * and: Eric S. Raymond * * and: Thomas E. Dickey 1996-2002 * ****************************************************************************/ /* * $Id: curses.priv.h,v 1.255 2004/02/01 01:05:58 Stanislav.Ievlev Exp $ * * curses.priv.h * * Header file for curses library objects which are private to * the library. * */ #ifndef CURSES_PRIV_H #define CURSES_PRIV_H 1 #include #ifdef __cplusplus extern "C" { #endif #include #if USE_RCS_IDS #define MODULE_ID(id) static const char Ident[] = id; #else #define MODULE_ID(id) /*nothing*/ #endif #include #include #include #if HAVE_UNISTD_H #include #endif #if HAVE_SYS_BSDTYPES_H #include /* needed for ISC */ #endif #if HAVE_LIMITS_H # include #elif HAVE_SYS_PARAM_H # include #endif #ifndef PATH_MAX # if defined(_POSIX_PATH_MAX) # define PATH_MAX _POSIX_PATH_MAX # elif defined(MAXPATHLEN) # define PATH_MAX MAXPATHLEN # else # define PATH_MAX 255 /* the Posix minimum path-size */ # endif #endif #include #include #include #if DECL_ERRNO extern int errno; #endif #include /* Some systems have a broken 'select()', but workable 'poll()'. Use that */ #if HAVE_WORKING_POLL #define USE_FUNC_POLL 1 #if HAVE_POLL_H #include #else #include #endif #else #define USE_FUNC_POLL 0 #endif /* include signal.h before curses.h to work-around defect in glibc 2.1.3 */ #include /* Alessandro Rubini's GPM (general-purpose mouse) */ #if HAVE_LIBGPM && HAVE_GPM_H #define USE_GPM_SUPPORT 1 #else #define USE_GPM_SUPPORT 0 #endif /* QNX mouse support */ #if defined(__QNX__) && !defined(__QNXNTO__) #define USE_QNX_MOUSE 1 #else #define USE_QNX_MOUSE 0 #endif /* EMX mouse support */ #ifdef __EMX__ #define USE_EMX_MOUSE 1 #else #define USE_EMX_MOUSE 0 #endif #define DEFAULT_MAXCLICK 166 #define EV_MAX 8 /* size of mouse circular event queue */ /* * If we don't have signals to support it, don't add a sigwinch handler. * In any case, resizing is an extended feature. Use it if we've got it. */ #if !NCURSES_EXT_FUNCS #undef HAVE_SIZECHANGE #define HAVE_SIZECHANGE 0 #endif #if HAVE_SIZECHANGE && defined(SIGWINCH) #define USE_SIZECHANGE 1 #else #define USE_SIZECHANGE 0 #undef USE_SIGWINCH #define USE_SIGWINCH 0 #endif /* * If desired, one can configure this, disabling environment variables that * point to custom terminfo/termcap locations. */ #ifdef USE_ROOT_ENVIRON #define use_terminfo_vars() 1 #else #define use_terminfo_vars() _nc_env_access() extern NCURSES_EXPORT(int) _nc_env_access (void); #endif /* * Not all platforms have memmove; some have an equivalent bcopy. (Some may * have neither). */ #if USE_OK_BCOPY #define memmove(d,s,n) bcopy(s,d,n) #elif USE_MY_MEMMOVE #define memmove(d,s,n) _nc_memmove(d,s,n) extern NCURSES_EXPORT(void *) _nc_memmove (void *, const void *, size_t); #endif /* * Scroll hints are useless when hashmap is used */ #if !USE_SCROLL_HINTS #if !USE_HASHMAP #define USE_SCROLL_HINTS 1 #else #define USE_SCROLL_HINTS 0 #endif #endif #if USE_SCROLL_HINTS #define if_USE_SCROLL_HINTS(stmt) stmt #else #define if_USE_SCROLL_HINTS(stmt) /*nothing*/ #endif /* * Note: ht/cbt expansion flakes out randomly under Linux 1.1.47, but only * when we're throwing control codes at the screen at high volume. To see * this, re-enable USE_HARD_TABS and run worm for a while. Other systems * probably don't want to define this either due to uncertainties about tab * delays and expansion in raw mode. */ struct tries { struct tries *child; /* ptr to child. NULL if none */ struct tries *sibling; /* ptr to sibling. NULL if none */ unsigned char ch; /* character at this node */ unsigned short value; /* code of string so far. 0 if none. */ }; /* * Definitions for color pairs */ #define C_SHIFT 8 /* we need more bits than there are colors */ #define C_MASK ((1 << C_SHIFT) - 1) #define PAIR_OF(fg, bg) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK)) /* * Common/troublesome character definitions */ #define L_BRACE '{' #define R_BRACE '}' #define S_QUOTE '\'' #define D_QUOTE '"' #define VT_ACSC "``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~" /* * Structure for palette tables */ typedef struct { short red, green, blue; /* what color_content() returns */ short r, g, b; /* params to init_color() */ int init; /* true if we called init_color() */ } color_t; #define MAXCOLUMNS 135 #define MAXLINES 66 #define FIFO_SIZE MAXCOLUMNS+2 /* for nocbreak mode input */ #define ACS_LEN 128 #define WINDOWLIST struct _win_list #if USE_WIDEC_SUPPORT #define _nc_bkgd _bkgrnd #else #undef _XOPEN_SOURCE_EXTENDED #define _nc_bkgd _bkgd #define wgetbkgrnd(win, wch) *wch = win->_bkgd #define wbkgrnd wbkgd #endif #include /* we'll use -Ipath directive to get the right one! */ #include struct ldat { NCURSES_CH_T *text; /* text of the line */ NCURSES_SIZE_T firstchar; /* first changed character in the line */ NCURSES_SIZE_T lastchar; /* last changed character in the line */ NCURSES_SIZE_T oldindex; /* index of the line at last update */ }; typedef enum { M_XTERM = -1 /* use xterm's mouse tracking? */ ,M_NONE = 0 /* no mouse device */ #if USE_GPM_SUPPORT ,M_GPM /* use GPM */ #endif #if USE_SYSMOUSE ,M_SYSMOUSE /* FreeBSD sysmouse on console */ #endif } MouseType; /* * Structure for soft labels. */ typedef struct { char *ent_text; /* text for the label */ char *form_text; /* formatted text (left/center/...) */ int ent_x; /* x coordinate of this field */ char dirty; /* this label has changed */ char visible; /* field is visible */ } slk_ent; typedef struct { char dirty; /* all labels have changed */ char hidden; /* soft labels are hidden */ WINDOW *win; slk_ent *ent; short maxlab; /* number of available labels */ short labcnt; /* number of allocated labels */ short maxlen; /* length of labels */ chtype attr; /* soft label attribute */ } SLK; typedef struct { unsigned long hashval; int oldcount, newcount; int oldindex, newindex; } HASHMAP; typedef struct { int line; /* lines to take, < 0 => from bottom*/ int (*hook)(WINDOW *, int); /* callback for user */ WINDOW *w; /* maybe we need this for cleanup */ } ripoff_t; struct screen { int _ifd; /* input file ptr for screen */ FILE *_ofp; /* output file ptr for screen */ char *_setbuf; /* buffered I/O for output */ int _buffered; /* setvbuf uses _setbuf data */ int _checkfd; /* filedesc for typeahead check */ TERMINAL *_term; /* terminal type information */ short _lines; /* screen lines */ short _columns; /* screen columns */ short _lines_avail; /* lines available for stdscr */ short _topstolen; /* lines stolen from top */ ripoff_t _rippedoff[5]; /* list of lines stolen */ int _rip_count; /* ...and total lines stolen */ WINDOW *_curscr; /* current screen */ WINDOW *_newscr; /* virtual screen to be updated to */ WINDOW *_stdscr; /* screen's full-window context */ struct tries *_keytry; /* "Try" for use with keypad mode */ struct tries *_key_ok; /* Disabled keys via keyok(,FALSE) */ bool _tried; /* keypad mode was initialized */ bool _keypad_on; /* keypad mode is currently on */ bool _called_wgetch; /* check for recursion in wgetch() */ int _fifo[FIFO_SIZE]; /* input push-back buffer */ short _fifohead, /* head of fifo queue */ _fifotail, /* tail of fifo queue */ _fifopeek, /* where to peek for next char */ _fifohold; /* set if breakout marked */ int _endwin; /* are we out of window mode? */ attr_t _current_attr; /* terminal attribute current set */ int _coloron; /* is color enabled? */ int _color_defs; /* are colors modified */ int _cursor; /* visibility of the cursor */ int _cursrow; /* physical cursor row */ int _curscol; /* physical cursor column */ bool _notty; /* true if we cannot switch non-tty */ int _nl; /* True if NL -> CR/NL is on */ int _raw; /* True if in raw mode */ int _cbreak; /* 1 if in cbreak mode */ /* > 1 if in halfdelay mode */ int _echo; /* True if echo on */ int _use_meta; /* use the meta key? */ SLK *_slk; /* ptr to soft key struct / NULL */ int slk_format; /* selected format for this screen */ /* cursor movement costs; units are 10ths of milliseconds */ #if NCURSES_NO_PADDING int _no_padding; /* flag to set if padding disabled */ #endif int _char_padding; /* cost of character put */ int _cr_cost; /* cost of (carriage_return) */ int _cup_cost; /* cost of (cursor_address) */ int _home_cost; /* cost of (cursor_home) */ int _ll_cost; /* cost of (cursor_to_ll) */ #if USE_HARD_TABS int _ht_cost; /* cost of (tab) */ int _cbt_cost; /* cost of (backtab) */ #endif /* USE_HARD_TABS */ int _cub1_cost; /* cost of (cursor_left) */ int _cuf1_cost; /* cost of (cursor_right) */ int _cud1_cost; /* cost of (cursor_down) */ int _cuu1_cost; /* cost of (cursor_up) */ int _cub_cost; /* cost of (parm_cursor_left) */ int _cuf_cost; /* cost of (parm_cursor_right) */ int _cud_cost; /* cost of (parm_cursor_down) */ int _cuu_cost; /* cost of (parm_cursor_up) */ int _hpa_cost; /* cost of (column_address) */ int _vpa_cost; /* cost of (row_address) */ /* used in tty_update.c, must be chars */ int _ed_cost; /* cost of (clr_eos) */ int _el_cost; /* cost of (clr_eol) */ int _el1_cost; /* cost of (clr_bol) */ int _dch1_cost; /* cost of (delete_character) */ int _ich1_cost; /* cost of (insert_character) */ int _dch_cost; /* cost of (parm_dch) */ int _ich_cost; /* cost of (parm_ich) */ int _ech_cost; /* cost of (erase_chars) */ int _rep_cost; /* cost of (repeat_char) */ int _hpa_ch_cost; /* cost of (column_address) */ int _cup_ch_cost; /* cost of (cursor_address) */ int _cuf_ch_cost; /* cost of (parm_cursor_right) */ int _inline_cost; /* cost of inline-move */ int _smir_cost; /* cost of (enter_insert_mode) */ int _rmir_cost; /* cost of (exit_insert_mode) */ int _ip_cost; /* cost of (insert_padding) */ /* used in lib_mvcur.c */ char * _address_cursor; /* used in tty_update.c */ int _scrolling; /* 1 if terminal's smart enough to */ /* used in lib_color.c */ color_t *_color_table; /* screen's color palette */ int _color_count; /* count of colors in palette */ unsigned short *_color_pairs; /* screen's color pair list */ int _pair_count; /* count of color pairs */ #if NCURSES_EXT_FUNCS bool _default_color; /* use default colors */ bool _has_sgr_39_49; /* has ECMA default color support */ int _default_fg; /* assumed default foreground */ int _default_bg; /* assumed default background */ #endif chtype _xmc_suppress; /* attributes to suppress if xmc */ chtype _xmc_triggers; /* attributes to process if xmc */ chtype _acs_map[ACS_LEN]; /* the real alternate-charset map */ /* used in lib_vidattr.c */ bool _use_rmso; /* true if we may use 'rmso' */ bool _use_rmul; /* true if we may use 'rmul' */ /* * These data correspond to the state of the idcok() and idlok() * functions. A caveat is in order here: the XSI and SVr4 * documentation specify that these functions apply to the window which * is given as an argument. However, ncurses implements this logic * only for the newscr/curscr update process, _not_ per-window. */ bool _nc_sp_idlok; bool _nc_sp_idcok; #define _nc_idlok SP->_nc_sp_idlok #define _nc_idcok SP->_nc_sp_idcok /* * These are the data that support the mouse interface. */ MouseType _mouse_type; int _maxclick; bool (*_mouse_event) (SCREEN *); bool (*_mouse_inline)(SCREEN *); bool (*_mouse_parse) (int); void (*_mouse_resume)(SCREEN *); void (*_mouse_wrap) (SCREEN *); int _mouse_fd; /* file-descriptor, if any */ NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */ #if USE_SYSMOUSE MEVENT _sysmouse_fifo[FIFO_SIZE]; int _sysmouse_head; int _sysmouse_tail; int _sysmouse_char_width; /* character width */ int _sysmouse_char_height; /* character height */ int _sysmouse_old_buttons; int _sysmouse_new_buttons; #endif /* * This supports automatic resizing */ #if USE_SIZECHANGE int (*_resize)(int,int); #endif /* * These are data that support the proper handling of the panel stack on an * per screen basis. */ struct panelhook _panelHook; /* * Linked-list of all windows, to support '_nc_resizeall()' and * '_nc_freeall()' */ WINDOWLIST *_nc_sp_windows; #define _nc_windows SP->_nc_sp_windows bool _sig_winch; SCREEN *_next_screen; /* hashes for old and new lines */ unsigned long *oldhash, *newhash; HASHMAP *hashtab; int hashtab_len; bool _cleanup; /* cleanup after int/quit signal */ int (*_outch)(int); /* output handler if not putc */ /* recent versions of 'screen' have partially-working support for * UTF-8, but do not permit ACS at the same time (see tty_update.c). */ #if USE_WIDEC_SUPPORT bool _posix_locale; bool _screen_acs_fix; #endif }; extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain; #if NCURSES_NOMACROS #include #endif WINDOWLIST { WINDOW win; /* first, so WINDOW_EXT() works */ WINDOWLIST *next; #ifdef _XOPEN_SOURCE_EXTENDED char addch_work[(MB_LEN_MAX * 9) + 1]; int addch_used; int addch_x; int addch_y; #endif }; #define WINDOW_EXT(win,field) (((WINDOWLIST *)(win))->field) /* The terminfo source is assumed to be 7-bit ASCII */ #define is7bits(c) ((unsigned)(c) < 128) #ifndef min #define min(a,b) ((a) > (b) ? (b) : (a)) #endif #ifndef max #define max(a,b) ((a) < (b) ? (b) : (a)) #endif /* usually in */ #ifndef STDIN_FILENO #define STDIN_FILENO 0 #endif #ifndef STDOUT_FILENO #define STDOUT_FILENO 1 #endif #ifndef STDERR_FILENO #define STDERR_FILENO 2 #endif #ifndef EXIT_SUCCESS #define EXIT_SUCCESS 0 #endif #ifndef EXIT_FAILURE #define EXIT_FAILURE 1 #endif #ifndef R_OK #define R_OK 4 /* Test for read permission. */ #endif #ifndef W_OK #define W_OK 2 /* Test for write permission. */ #endif #ifndef X_OK #define X_OK 1 /* Test for execute permission. */ #endif #ifndef F_OK #define F_OK 0 /* Test for existence. */ #endif #if HAVE_FCNTL_H #include /* may define O_BINARY */ #endif #ifndef O_BINARY #define O_BINARY 0 #endif #ifdef TRACE #define TRACE_OUTCHARS(n) _nc_outchars += (n); #else #define TRACE_OUTCHARS(n) /* nothing */ #endif #define UChar(c) ((unsigned char)(c)) #define ChCharOf(c) ((c) & (chtype)A_CHARTEXT) #define ChAttrOf(c) ((c) & (chtype)A_ATTRIBUTES) #ifndef MB_LEN_MAX #define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */ #endif #if USE_WIDEC_SUPPORT /* { */ #define NulChar 0,0,0,0 /* FIXME: see CCHARW_MAX */ #define CharOf(c) ((c).chars[0]) #define AttrOf(c) ((c).attr) #define AddAttr(c,a) (c).attr |= a #define RemAttr(c,a) (c).attr &= ~(a) #define SetAttr(c,a) (c).attr = a #define NewChar(ch) { ChAttrOf(ch), { ChCharOf(ch), NulChar } } #define NewChar2(c,a) { a, { c, NulChar } } #define CharEq(a,b) (!memcmp(&a, &b, sizeof(a))) #define SetChar(ch,c,a) do { \ NCURSES_CH_T *_cp = &ch; \ memset(_cp,0,sizeof(ch)); _cp->chars[0] = c; _cp->attr = a; \ } while (0) #define CHREF(wch) (&wch) #define CHDEREF(wch) (*wch) #define ARG_CH_T NCURSES_CH_T * #define CARG_CH_T const NCURSES_CH_T * #define PUTC_DATA char PUTC_buf[MB_LEN_MAX]; int PUTC_i, PUTC_n; \ mbstate_t PUT_st; wchar_t PUTC_ch #define PUTC_INIT memset (&PUT_st, '\0', sizeof (PUT_st)); \ PUTC_i = 0 #define PUTC(ch,b) do { if(!isnac(ch)) { \ if (Charable(ch)) { \ fputc(CharOf(ch), b); \ TRACE_OUTCHARS(1); \ } else { \ PUTC_INIT; \ do { \ PUTC_ch = PUTC_i < CCHARW_MAX ? \ (ch).chars[PUTC_i] : L'\0'; \ PUTC_n = wcrtomb(PUTC_buf, \ (ch).chars[PUTC_i], &PUT_st); \ if (PUTC_ch == L'\0') \ --PUTC_n; \ if (PUTC_n <= 0) \ break; \ fwrite(PUTC_buf, (unsigned) PUTC_n, 1, b); \ ++PUTC_i; \ } while (PUTC_ch != L'\0'); \ TRACE_OUTCHARS(PUTC_i); \ } } } while (0) #define BLANK { WA_NORMAL, ' ' } #define ISBLANK(ch) ((ch).chars[0] == L' ' && (ch).chars[1] == L'\0') #define WA_NAC 1 #define isnac(ch) (AttrOf(ch) & WA_NAC) #define if_WIDEC(code) code #define Charable(ch) ((SP != 0 && SP->_posix_locale) \ || (!isnac(ch) && \ (ch).chars[1] == L'\0' && \ _nc_is_charable(CharOf(ch)))) #define L(ch) L ## ch #else /* }{ */ #define CharOf(c) ChCharOf(c) #define AttrOf(c) ChAttrOf(c) #define AddAttr(c,a) c |= a #define RemAttr(c,a) c &= ~(a & A_ATTRIBUTES) #define SetAttr(c,a) c = (c & ~A_ATTRIBUTES) | a #define NewChar(ch) (ch) #define NewChar2(c,a) (c | a) #define CharEq(a,b) (a == b) #define SetChar(ch,c,a) ch = c | a #define CHREF(wch) wch #define CHDEREF(wch) wch #define ARG_CH_T NCURSES_CH_T #define CARG_CH_T NCURSES_CH_T #define PUTC_DATA int data = 0 #define PUTC(a,b) do { data = CharOf(ch); putc(data,b); } while (0) #define BLANK (' '|A_NORMAL) #define ISBLANK(ch) (CharOf(ch) == ' ') #define isnac(ch) (0) #define if_WIDEC(code) /* nothing */ #define L(ch) ch #endif /* } */ #define AttrOfD(ch) AttrOf(CHDEREF(ch)) #define CharOfD(ch) CharOf(CHDEREF(ch)) #define SetChar2(wch,ch) SetChar(wch,ChCharOf(ch),ChAttrOf(ch)) #define BLANK_ATTR A_NORMAL #define BLANK_TEXT L(' ') #define CHANGED -1 #define CHANGED_CELL(line,col) \ if (line->firstchar == _NOCHANGE) \ line->firstchar = line->lastchar = col; \ else if ((col) < line->firstchar) \ line->firstchar = col; \ else if ((col) > line->lastchar) \ line->lastchar = col #define CHANGED_RANGE(line,start,end) \ if (line->firstchar == _NOCHANGE \ || line->firstchar > (start)) \ line->firstchar = start; \ if (line->lastchar == _NOCHANGE \ || line->lastchar < (end)) \ line->lastchar = end #define CHANGED_TO_EOL(line,start,end) \ if (line->firstchar == _NOCHANGE \ || line->firstchar > (start)) \ line->firstchar = start; \ line->lastchar = end #define SIZEOF(v) (sizeof(v)/sizeof(v[0])) #define FreeIfNeeded(p) if ((p) != 0) free(p) /* FreeAndNull() is not a comma-separated expression because some compilers * do not accept a mixture of void with values. */ #define FreeAndNull(p) free(p); p = 0 #include /* * Prefixes for call/return points of library function traces. We use these to * instrument the public functions so that the traces can be easily transformed * into regression scripts. */ #define T_CALLED(fmt) "called {" fmt #define T_CREATE(fmt) "create :" fmt #define T_RETURN(fmt) "return }" fmt #ifdef TRACE #define START_TRACE() \ if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \ int t = _nc_getenv_num("NCURSES_TRACE"); \ if (t >= 0) \ trace((unsigned) t); \ } #define TR(n, a) if (_nc_tracing & (n)) _tracef a #define T(a) TR(TRACE_CALLS, a) #define TPUTS_TRACE(s) _nc_tputs_trace = s; #define TRACE_RETURN(value,type) return _nc_retrace_##type(value) #define returnAttr(code) TRACE_RETURN(code,attr_t) #define returnChar(code) TRACE_RETURN(code,chtype) #define returnBool(code) TRACE_RETURN(code,bool) #define returnBits(code) TRACE_RETURN(code,unsigned) #define returnCode(code) TRACE_RETURN(code,int) #define returnPtr(code) TRACE_RETURN(code,ptr) #define returnSP(code) TRACE_RETURN(code,sp) #define returnVoid T((T_RETURN(""))); return #define returnWin(code) TRACE_RETURN(code,win) extern NCURSES_EXPORT(NCURSES_BOOL) _nc_retrace_bool (NCURSES_BOOL); extern NCURSES_EXPORT(SCREEN *) _nc_retrace_sp (SCREEN *); extern NCURSES_EXPORT(WINDOW *) _nc_retrace_win (WINDOW *); extern NCURSES_EXPORT(attr_t) _nc_retrace_attr_t (attr_t); extern NCURSES_EXPORT(char *) _nc_retrace_ptr (char *); extern NCURSES_EXPORT(char *) _nc_trace_ttymode(TTY *tty); extern NCURSES_EXPORT(char *) _nc_varargs (const char *, va_list); extern NCURSES_EXPORT(chtype) _nc_retrace_chtype (chtype); extern NCURSES_EXPORT(const char *) _nc_altcharset_name(attr_t, chtype); extern NCURSES_EXPORT(int) _nc_retrace_int (int); extern NCURSES_EXPORT(unsigned) _nc_retrace_unsigned (unsigned); extern NCURSES_EXPORT(void) _nc_fifo_dump (void); extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace; extern NCURSES_EXPORT_VAR(long) _nc_outchars; extern NCURSES_EXPORT_VAR(unsigned) _nc_tracing; #if USE_WIDEC_SUPPORT extern NCURSES_EXPORT(const char *) _nc_viswbuf2 (int, const wchar_t *); extern NCURSES_EXPORT(const char *) _nc_viswbufn (const wchar_t *, int); extern NCURSES_EXPORT(const char *) _nc_viscbuf2 (int, const cchar_t *, int); extern NCURSES_EXPORT(const char *) _nc_viscbuf (const cchar_t *, int); #endif #else /* !TRACE */ #define START_TRACE() /* nothing */ #define T(a) #define TR(n, a) #define TPUTS_TRACE(s) #define returnAttr(code) return code #define returnBits(code) return code #define returnBool(code) return code #define returnChar(code) return code #define returnCode(code) return code #define returnPtr(code) return code #define returnSP(code) return code #define returnVoid return #define returnWin(code) return code #endif /* TRACE/!TRACE */ extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *); extern NCURSES_EXPORT(const char *) _nc_visbufn (const char *, int); #define empty_module(name) \ extern NCURSES_EXPORT(void) name (void); \ NCURSES_EXPORT(void) name (void) { } #define ALL_BUT_COLOR ((chtype)~(A_COLOR)) #define IGNORE_COLOR_OFF FALSE #define NONBLANK_ATTR (A_NORMAL|A_BOLD|A_DIM|A_BLINK) #define XMC_CHANGES(c) ((c) & SP->_xmc_suppress) #define toggle_attr_on(S,at) {\ if (PAIR_NUMBER(at) > 0)\ (S) = ((S) & ALL_BUT_COLOR) | (at);\ else\ (S) |= (at);\ TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));} #define toggle_attr_off(S,at) {\ if (IGNORE_COLOR_OFF == TRUE) {\ if (PAIR_NUMBER(at) == 0xff) /* turn off color */\ (S) &= ~(at);\ else /* leave color alone */\ (S) &= ~((at)&ALL_BUT_COLOR);\ } else {\ if (PAIR_NUMBER(at) > 0x00) /* turn off color */\ (S) &= ~(at|A_COLOR);\ else /* leave color alone */\ (S) &= ~(at);\ }\ TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));} #define DelCharCost(count) \ ((parm_dch != 0) \ ? SP->_dch_cost \ : ((delete_character != 0) \ ? (SP->_dch1_cost * count) \ : INFINITY)) #define InsCharCost(count) \ ((parm_ich != 0) \ ? SP->_ich_cost \ : ((enter_insert_mode && exit_insert_mode) \ ? SP->_smir_cost + SP->_rmir_cost + (SP->_ip_cost * count) \ : ((insert_character != 0) \ ? ((SP->_ich1_cost + SP->_ip_cost) * count) \ : INFINITY))) #if USE_XMC_SUPPORT #define UpdateAttrs(a) if (SP->_current_attr != (a)) { \ attr_t chg = SP->_current_attr; \ vidattr((a)); \ if (magic_cookie_glitch > 0 \ && XMC_CHANGES((chg ^ SP->_current_attr))) { \ T(("%s @%d before glitch %d,%d", \ __FILE__, __LINE__, \ SP->_cursrow, \ SP->_curscol)); \ _nc_do_xmc_glitch(chg); \ } \ } #else #define UpdateAttrs(a) if (SP->_current_attr != (a)) \ vidattr((a)); #endif /* * Macros to make additional parameter to implement wgetch_events() */ #ifdef NCURSES_WGETCH_EVENTS #define EVENTLIST_0th(param) param #define EVENTLIST_1st(param) param #define EVENTLIST_2nd(param) , param #else #define EVENTLIST_0th(param) void #define EVENTLIST_1st(param) /* nothing */ #define EVENTLIST_2nd(param) /* nothing */ #endif #if NCURSES_EXPANDED && NCURSES_EXT_FUNCS #undef toggle_attr_on #define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at) extern NCURSES_EXPORT(void) _nc_toggle_attr_on (attr_t *, attr_t); #undef toggle_attr_off #define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at) extern NCURSES_EXPORT(void) _nc_toggle_attr_off (attr_t *, attr_t); #undef DelCharCost #define DelCharCost(count) _nc_DelCharCost(count) extern NCURSES_EXPORT(int) _nc_DelCharCost (int); #undef InsCharCost #define InsCharCost(count) _nc_InsCharCost(count) extern NCURSES_EXPORT(int) _nc_InsCharCost (int); #undef UpdateAttrs #define UpdateAttrs(c) _nc_UpdateAttrs(c) extern NCURSES_EXPORT(void) _nc_UpdateAttrs (chtype); #else extern NCURSES_EXPORT(void) _nc_expanded (void); #endif #if !HAVE_GETCWD #define getcwd(buf,len) getwd(buf) #endif /* charable.c */ #if USE_WIDEC_SUPPORT extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t); extern NCURSES_EXPORT(int) _nc_to_char(wint_t); extern NCURSES_EXPORT(wint_t) _nc_to_widechar(int); #endif /* doupdate.c */ #if USE_XMC_SUPPORT extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t); #endif /* hardscroll.c */ #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG) extern NCURSES_EXPORT(void) _nc_linedump (void); #endif /* lib_acs.c */ extern NCURSES_EXPORT(void) _nc_init_acs (void); /* corresponds to traditional 'init_acs()' */ extern NCURSES_EXPORT(int) _nc_msec_cost (const char *const, int); /* used by 'tack' program */ /* lib_addstr.c */ #if USE_WIDEC_SUPPORT extern NCURSES_EXPORT(int) _nc_wchstrlen(const cchar_t *); #endif /* lib_color.c */ extern NCURSES_EXPORT(bool) _nc_reset_colors(void); /* lib_getch.c */ extern NCURSES_EXPORT(int) _nc_wgetch(WINDOW *, unsigned long *, int EVENTLIST_2nd(_nc_eventlist *)); /* lib_insch.c */ extern NCURSES_EXPORT(void) _nc_insert_ch(WINDOW *, chtype); /* lib_mvcur.c */ #define INFINITY 1000000 /* cost: too high to use */ extern NCURSES_EXPORT(void) _nc_mvcur_init (void); extern NCURSES_EXPORT(void) _nc_mvcur_resume (void); extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void); extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int); extern NCURSES_EXPORT(void) _nc_screen_init (void); extern NCURSES_EXPORT(void) _nc_screen_resume (void); extern NCURSES_EXPORT(void) _nc_screen_wrap (void); /* lib_mouse.c */ extern NCURSES_EXPORT(int) _nc_has_mouse (void); /* lib_mvcur.c */ #define INFINITY 1000000 /* cost: too high to use */ #define BAUDBYTE 9 /* 9 = 7 bits + 1 parity + 1 stop */ /* lib_setup.c */ extern NCURSES_EXPORT(char *) _nc_get_locale(void); extern NCURSES_EXPORT(int) _nc_unicode_locale(void); extern NCURSES_EXPORT(int) _nc_locale_breaks_acs(void); /* lib_wacs.c */ #if USE_WIDEC_SUPPORT extern NCURSES_EXPORT(void) _nc_init_wacs(void); #endif typedef struct { char *s_head; /* beginning of the string (may be null) */ char *s_tail; /* end of the string (may be null) */ size_t s_size; /* current remaining size available */ size_t s_init; /* total size available */ } string_desc; /* strings.c */ extern NCURSES_EXPORT(string_desc *) _nc_str_init (string_desc *, char *, size_t); extern NCURSES_EXPORT(string_desc *) _nc_str_null (string_desc *, size_t); extern NCURSES_EXPORT(string_desc *) _nc_str_copy (string_desc *, string_desc *); extern NCURSES_EXPORT(bool) _nc_safe_strcat (string_desc *, const char *); extern NCURSES_EXPORT(bool) _nc_safe_strcpy (string_desc *, const char *); extern NCURSES_EXPORT(void) _nc_mvcur_init (void); extern NCURSES_EXPORT(void) _nc_mvcur_resume (void); extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void); extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int); extern NCURSES_EXPORT(void) _nc_screen_init (void); extern NCURSES_EXPORT(void) _nc_screen_resume (void); extern NCURSES_EXPORT(void) _nc_screen_wrap (void); #if !HAVE_STRSTR #define strstr _nc_strstr extern NCURSES_EXPORT(char *) _nc_strstr (const char *, const char *); #endif /* safe_sprintf.c */ extern NCURSES_EXPORT(char *) _nc_printf_string (const char *, va_list); /* tries.c */ extern NCURSES_EXPORT(void) _nc_add_to_try (struct tries **, const char *, unsigned short); extern NCURSES_EXPORT(char *) _nc_expand_try (struct tries *, unsigned short, int *, size_t); extern NCURSES_EXPORT(int) _nc_remove_key (struct tries **, unsigned short); extern NCURSES_EXPORT(int) _nc_remove_string (struct tries **, const char *); /* elsewhere ... */ extern NCURSES_EXPORT(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T); extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int); extern NCURSES_EXPORT(char *) _nc_home_terminfo (void); extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t); extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *); extern NCURSES_EXPORT(int) _nc_access (const char *, int); extern NCURSES_EXPORT(int) _nc_baudrate (int); extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *); extern NCURSES_EXPORT(int) _nc_getenv_num (const char *); extern NCURSES_EXPORT(int) _nc_keypad (bool); extern NCURSES_EXPORT(int) _nc_ospeed (int); extern NCURSES_EXPORT(int) _nc_outch (int); extern NCURSES_EXPORT(int) _nc_setupscreen (short, short const, FILE *); extern NCURSES_EXPORT(int) _nc_timed_wait(int, int, int * EVENTLIST_2nd(_nc_eventlist *)); extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const NCURSES_CH_T); extern NCURSES_EXPORT(void) _nc_do_color (int, int, bool, int (*)(int)); extern NCURSES_EXPORT(void) _nc_flush (void); extern NCURSES_EXPORT(void) _nc_freeall (void); extern NCURSES_EXPORT(void) _nc_hash_map (void); extern NCURSES_EXPORT(void) _nc_init_keytry (void); extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *); extern NCURSES_EXPORT(void) _nc_make_oldhash (int i); extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot); extern NCURSES_EXPORT(void) _nc_scroll_optimize (void); extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, short const, short const, NCURSES_CH_T); extern NCURSES_EXPORT(void) _nc_set_buffer (FILE *, bool); extern NCURSES_EXPORT(void) _nc_signal_handler (bool); extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *); extern NCURSES_EXPORT(void) _nc_trace_tries (struct tries *); #if USE_SIZECHANGE extern NCURSES_EXPORT(void) _nc_update_screensize (void); #endif #if HAVE_RESIZETERM extern NCURSES_EXPORT(void) _nc_resize_margins (WINDOW *); #else #define _nc_resize_margins(wp) /* nothing */ #endif #ifdef NCURSES_WGETCH_EVENTS extern NCURSES_EXPORT(int) _nc_eventlist_timeout(_nc_eventlist *); #else #define wgetch_events(win, evl) wgetch(win) #define wgetnstr_events(win, str, maxlen, evl) wgetnstr(win, str, maxlen) #endif /* * Not everyone has vsscanf(), but we'd like to use it for scanw(). */ #if !HAVE_VSSCANF extern int vsscanf(const char *str, const char *format, va_list __arg); #endif /* scroll indices */ extern NCURSES_EXPORT_VAR(int *) _nc_oldnums; #define USE_SETBUF_0 0 #define NC_BUFFERED(flag) _nc_set_buffer(SP->_ofp, flag) #define NC_OUTPUT ((SP != 0) ? SP->_ofp : stdout) /* * On systems with a broken linker, define 'SP' as a function to force the * linker to pull in the data-only module with 'SP'. */ #if BROKEN_LINKER #define SP _nc_screen() extern NCURSES_EXPORT(SCREEN *) _nc_screen (void); extern NCURSES_EXPORT(int) _nc_alloc_screen (void); extern NCURSES_EXPORT(void) _nc_set_screen (SCREEN *); #else /* current screen is private data; avoid possible linking conflicts too */ extern NCURSES_EXPORT_VAR(SCREEN *) SP; #define _nc_alloc_screen() ((SP = typeCalloc(SCREEN, 1)) != 0) #define _nc_set_screen(sp) SP = sp #endif /* * We don't want to use the lines or columns capabilities internally, because * if the application is running multiple screens under X, it's quite possible * they could all have type xterm but have different sizes! So... */ #define screen_lines SP->_lines #define screen_columns SP->_columns extern NCURSES_EXPORT_VAR(int) _nc_slk_format; /* != 0 if slk_init() called */ extern NCURSES_EXPORT(int) _nc_slk_initialize (WINDOW *, int); /* * Some constants related to SLK's */ #define MAX_SKEY_OLD 8 /* count of soft keys */ #define MAX_SKEY_LEN_OLD 8 /* max length of soft key text */ #define MAX_SKEY_PC 12 /* This is what most PC's have */ #define MAX_SKEY_LEN_PC 5 /* Macro to check whether or not we use a standard format */ #define SLK_STDFMT(fmt) (fmt < 3) /* Macro to determine height of label window */ #define SLK_LINES(fmt) (SLK_STDFMT(fmt) ? 1 : ((fmt) - 2)) #define MAX_SKEY(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_OLD : MAX_SKEY_PC) #define MAX_SKEY_LEN(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC) extern NCURSES_EXPORT(int) _nc_ripoffline (int line, int (*init)(WINDOW *,int)); /* * Common error messages */ #define MSG_NO_MEMORY "Out of memory" #define MSG_NO_INPUTS "Premature EOF" #ifdef __cplusplus } #endif #endif /* CURSES_PRIV_H */