/* $OpenBSD: curses.priv.h,v 1.35 2021/03/10 20:16:08 millert Exp $ */ /**************************************************************************** * Copyright (c) 1998-2007,2008 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-on * ****************************************************************************/ /* * $Id: curses.priv.h,v 1.35 2021/03/10 20:16:08 millert 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 #if !defined(NCURSES_IMPEXP) # define NCURSES_IMPEXP /* nothing */ #endif #if !defined(NCURSES_API) # define NCURSES_API /* nothing */ #endif #if !defined(NCURSES_EXPORT) # define NCURSES_EXPORT(type) NCURSES_IMPEXP type NCURSES_API #endif #if !defined(NCURSES_EXPORT_VAR) # define NCURSES_EXPORT_VAR(type) NCURSES_IMPEXP type #endif #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 #include #include #include #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 #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 && USE_SIGWINCH && 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 #ifdef __OpenBSD__ #define use_terminfo_vars() (!issetugid()) #else #define use_terminfo_vars() 1 #endif #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. */ #define TRIES struct tries typedef TRIES { TRIES *child; /* ptr to child. NULL if none */ 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. */ #undef TRIES } TRIES; /* * Common/troublesome character definitions */ #define StringOf(ch) {ch, 0} #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 #define _XOPEN_SOURCE_EXTENDED 1 #else #undef _XOPEN_SOURCE_EXTENDED #define _nc_bkgd _bkgd #define wgetbkgrnd(win, wch) *wch = win->_bkgd #define wbkgrnd wbkgd #endif #undef NCURSES_OPAQUE #define NCURSES_INTERNALS 1 #define NCURSES_OPAQUE 0 #include /* we'll use -Ipath directive to get the right one! */ #include #include #include #if NCURSES_EXT_COLORS && USE_WIDEC_SUPPORT #define if_EXT_COLORS(stmt) stmt #define NetPair(value,p) (value).ext_color = (p), \ AttrOf(value) &= ALL_BUT_COLOR, \ AttrOf(value) |= (A_COLOR & COLOR_PAIR((p > 255) ? 255 : p)) #define SetPair(value,p) (value).ext_color = (p) #define GetPair(value) (value).ext_color #define unColor(n) (AttrOf(n) & ALL_BUT_COLOR) #define GET_WINDOW_PAIR(w) (w)->_color #define SET_WINDOW_PAIR(w,p) (w)->_color = (p) #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b) && GetPair(a) == GetPair(b)) #define VIDATTR(attr, pair) vid_attr(attr, pair, 0) #else #define if_EXT_COLORS(stmt) /* nothing */ #define SetPair(value,p) RemAttr(value, A_COLOR), \ SetAttr(value, AttrOf(value) | (A_COLOR & COLOR_PAIR(p))) #define GetPair(value) PAIR_NUMBER(AttrOf(value)) #define unColor(n) (AttrOf(n) & ALL_BUT_COLOR) #define GET_WINDOW_PAIR(w) PAIR_NUMBER(WINDOW_ATTRS(w)) #define SET_WINDOW_PAIR(w,p) WINDOW_ATTRS(w) &= ALL_BUT_COLOR, \ WINDOW_ATTRS(w) |= (A_COLOR & COLOR_PAIR(p)) #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b)) #define VIDATTR(attr, pair) vidattr(attr) #endif #if NCURSES_NO_PADDING #define GetNoPadding(sp) ((sp) ? (sp)->_no_padding : _nc_prescreen._no_padding) #define SetNoPadding(sp) _nc_set_no_padding(sp) extern NCURSES_EXPORT(void) _nc_set_no_padding(SCREEN *); #else #define GetNoPadding(sp) FALSE #define SetNoPadding(sp) /*nothing*/ #endif #define WINDOW_ATTRS(w) ((w)->_attrs) #define SCREEN_ATTRS(s) (*((s)->_current_attr)) #define GET_SCREEN_PAIR(s) GetPair(SCREEN_ATTRS(s)) #define SET_SCREEN_PAIR(s,p) SetPair(SCREEN_ATTRS(s), p) #if USE_REENTRANT NCURSES_EXPORT(int *) _nc_ptr_Lines (void); NCURSES_EXPORT(int *) _nc_ptr_Cols (void); #define ptrLines() (SP ? &(SP->_LINES) : &(_nc_prescreen._LINES)) #define ptrCols() (SP ? &(SP->_COLS) : &(_nc_prescreen._COLS)) #define SET_LINES(value) *_nc_ptr_Lines() = value #define SET_COLS(value) *_nc_ptr_Cols() = value #else #define ptrLines() &LINES #define ptrCols() &COLS #define SET_LINES(value) LINES = value #define SET_COLS(value) COLS = value #endif #define TR_MUTEX(data) _tracef("%s@%d: me:%08lX COUNT:%2u/%2d/%6d/%2d/%s%9u: " #data, \ __FILE__, __LINE__, \ (unsigned long) (pthread_self()), \ data.__data.__lock, \ data.__data.__count, \ data.__data.__owner, \ data.__data.__kind, \ (data.__data.__nusers > 5) ? " OOPS " : "", \ data.__data.__nusers) #define TR_GLOBAL_MUTEX(name) TR_MUTEX(_nc_globals.mutex_##name) #ifdef USE_PTHREADS #if USE_REENTRANT #include extern NCURSES_EXPORT(void) _nc_init_pthreads(void); extern NCURSES_EXPORT(void) _nc_mutex_init(pthread_mutex_t *); extern NCURSES_EXPORT(int) _nc_mutex_lock(pthread_mutex_t *); extern NCURSES_EXPORT(int) _nc_mutex_trylock(pthread_mutex_t *); extern NCURSES_EXPORT(int) _nc_mutex_unlock(pthread_mutex_t *); #define _nc_lock_global(name) _nc_mutex_lock(&_nc_globals.mutex_##name) #define _nc_try_global(name) _nc_mutex_trylock(&_nc_globals.mutex_##name) #define _nc_unlock_global(name) _nc_mutex_unlock(&_nc_globals.mutex_##name) #else #error POSIX threads requires --enable-reentrant option #endif #if USE_WEAK_SYMBOLS #if defined(__GNUC__) # if defined __USE_ISOC99 # define _cat_pragma(exp) _Pragma(#exp) # define _weak_pragma(exp) _cat_pragma(weak name) # else # define _weak_pragma(exp) # endif # define _declare(name) __extension__ extern __typeof__(name) name # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak)) #endif #endif #ifdef USE_PTHREADS # if USE_WEAK_SYMBOLS weak_symbol(pthread_sigmask); weak_symbol(pthread_self); weak_symbol(pthread_equal); weak_symbol(pthread_mutex_init); weak_symbol(pthread_mutex_lock); weak_symbol(pthread_mutex_unlock); weak_symbol(pthread_mutex_trylock); weak_symbol(pthread_mutexattr_settype); weak_symbol(pthread_mutexattr_init); extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *); # undef sigprocmask # define sigprocmask _nc_sigprocmask # endif #endif #if HAVE_NANOSLEEP #undef HAVE_NANOSLEEP #define HAVE_NANOSLEEP 0 /* nanosleep suspends all threads */ #endif #else /* !USE_PTHREADS */ #define _nc_init_pthreads() /* nothing */ #define _nc_mutex_init(obj) /* nothing */ #define _nc_lock_global(name) /* nothing */ #define _nc_try_global(name) 0 #define _nc_unlock_global(name) /* nothing */ #endif /* USE_PTHREADS */ #if HAVE_GETTIMEOFDAY # define PRECISE_GETTIME 1 # define TimeType struct timeval #else # define PRECISE_GETTIME 0 # define TimeType time_t #endif /* * Definitions for color pairs */ typedef unsigned colorpair_t; /* type big enough to store PAIR_OF() */ #define C_SHIFT 9 /* 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)) #define isDefaultColor(c) ((c) >= COLOR_DEFAULT || (c) < 0) #define COLOR_DEFAULT C_MASK #if defined(USE_TERMLIB) && !defined(NEED_NCURSES_CH_T) #undef NCURSES_CH_T /* this is not a termlib feature */ #define NCURSES_CH_T void /* ...but we need a pointer in SCREEN */ #endif /* USE_TERMLIB */ #ifndef USE_TERMLIB 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 */ }; #endif /* USE_TERMLIB */ 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; /* * Structures for scrolling. */ typedef struct { unsigned long hashval; int oldcount, newcount; int oldindex, newindex; } HASHMAP; /* * Structures for soft labels. */ struct _SLK; #ifndef USE_TERMLIB 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 _SLK { 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 */ NCURSES_CH_T attr; /* soft label attribute */ } SLK; #endif /* USE_TERMLIB */ typedef struct { WINDOW *win; /* the window used in the hook */ int line; /* lines to take, < 0 => from bottom*/ int (*hook)(WINDOW *, int); /* callback for user */ } ripoff_t; #if USE_GPM_SUPPORT #undef buttons /* term.h defines this, and gpm uses it! */ #include #ifdef HAVE_LIBDL /* link dynamically to GPM */ typedef int *TYPE_gpm_fd; typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int); typedef int (*TYPE_Gpm_Close) (void); typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *); #define my_gpm_fd SP->_mouse_gpm_fd #define my_Gpm_Open SP->_mouse_Gpm_Open #define my_Gpm_Close SP->_mouse_Gpm_Close #define my_Gpm_GetEvent SP->_mouse_Gpm_GetEvent #else /* link statically to GPM */ #define my_gpm_fd &gpm_fd #define my_Gpm_Open Gpm_Open #define my_Gpm_Close Gpm_Close #define my_Gpm_GetEvent Gpm_GetEvent #endif /* HAVE_LIBDL */ #endif /* USE_GPM_SUPPORT */ typedef struct { long sequence; bool last_used; char *fix_sgr0; /* this holds the filtered sgr0 string */ char *last_bufp; /* help with fix_sgr0 leak */ TERMINAL *last_term; } TGETENT_CACHE; #define TGETENT_MAX 4 /* * State of tparm(). */ #define STACKSIZE 20 typedef struct { union { int num; char *str; } data; bool num_type; } STACK_FRAME; #define NUM_VARS 26 typedef struct { #ifdef TRACE const char *tname; #endif const char *tparam_base; STACK_FRAME stack[STACKSIZE]; int stack_ptr; char *out_buff; size_t out_size; size_t out_used; char *fmt_buff; size_t fmt_size; int dynamic_var[NUM_VARS]; int static_vars[NUM_VARS]; } TPARM_STATE; typedef struct { char *text; size_t size; } TRACEBUF; /* * The filesystem database normally uses a single-letter for the lower level * of directories. Use a hexadecimal code for filesystems which do not * preserve mixed-case names. */ #if MIXEDCASE_FILENAMES #define LEAF_FMT "%c" #else #define LEAF_FMT "%02x" #endif /* * TRACEMSE_FMT is no longer than 80 columns, there are 5 numbers that * could at most have 10 digits, and the mask contains no more than 32 bits * with each bit representing less than 15 characters. Usually the whole * string is less than 80 columns, but this buffer size is an absolute * limit. */ #define TRACEMSE_MAX (80 + (5 * 10) + (32 * 15)) #define TRACEMSE_FMT "id %2d at (%2d, %2d, %2d) state %4lx = {" /* } */ /* * Global data which is not specific to a screen. */ typedef struct { SIG_ATOMIC_T have_sigwinch; SIG_ATOMIC_T cleanup_nested; bool init_signals; bool init_screen; const char *comp_sourcename; char *comp_termtype; bool have_tic_directory; bool keep_tic_directory; const char *tic_directory; char *dbi_list; int dbi_size; char *first_name; char **keyname_table; int slk_format; char *safeprint_buf; size_t safeprint_used; TGETENT_CACHE tgetent_cache[TGETENT_MAX]; int tgetent_index; long tgetent_sequence; WINDOWLIST *_nc_windowlist; #define _nc_windows _nc_globals._nc_windowlist #if USE_HOME_TERMINFO char *home_terminfo; #endif #if !USE_SAFE_SPRINTF int safeprint_cols; int safeprint_rows; #endif #ifdef TRACE bool init_trace; char trace_fname[PATH_MAX]; int trace_level; FILE *trace_fp; char *tracearg_buf; size_t tracearg_used; TRACEBUF *tracebuf_ptr; size_t tracebuf_used; char tracechr_buf[40]; char *tracedmp_buf; size_t tracedmp_used; unsigned char *tracetry_buf; size_t tracetry_used; #define _nc_globals_traceatr_color_buf_size 80 char traceatr_color_buf[2][_nc_globals_traceatr_color_buf_size]; int traceatr_color_sel; int traceatr_color_last; #endif /* TRACE */ #ifdef USE_PTHREADS pthread_mutex_t mutex_curses; pthread_mutex_t mutex_tst_tracef; pthread_mutex_t mutex_tracef; int nested_tracef; int use_pthreads; #define _nc_use_pthreads _nc_globals.use_pthreads #endif } NCURSES_GLOBALS; extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals; #define N_RIPS 5 /* * Global data which can be swept up into a SCREEN when one is created. * It may be modified before the next SCREEN is created. */ typedef struct { bool use_env; bool filter_mode; attr_t previous_attr; ripoff_t rippedoff[N_RIPS]; ripoff_t *rsp; TPARM_STATE tparm_state; TTY *saved_tty; /* savetty/resetty information */ #if NCURSES_NO_PADDING bool _no_padding; /* flag to set if padding disabled */ #endif #if BROKEN_LINKER || USE_REENTRANT chtype *real_acs_map; int _LINES; int _COLS; TERMINAL *_cur_term; #ifdef TRACE long _outchars; const char *_tputs_trace; #endif #endif } NCURSES_PRESCREEN; #define ripoff_sp _nc_prescreen.rsp #define ripoff_stack _nc_prescreen.rippedoff extern NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen; /* * The SCREEN structure. */ struct screen { int _ifd; /* input file ptr for screen */ FILE *_ofp; /* output file ptr for screen */ char *_setbuf; /* buffered I/O for output */ bool _filtered; /* filter() was called */ bool _buffered; /* setvbuf uses _setbuf data */ int _checkfd; /* filedesc for typeahead check */ TERMINAL *_term; /* terminal type information */ TTY _saved_tty; /* savetty/resetty information */ NCURSES_SIZE_T _lines; /* screen lines */ NCURSES_SIZE_T _columns; /* screen columns */ NCURSES_SIZE_T _lines_avail; /* lines available for stdscr */ NCURSES_SIZE_T _topstolen; /* lines stolen from top */ WINDOW *_curscr; /* current screen */ WINDOW *_newscr; /* virtual screen to be updated to */ WINDOW *_stdscr; /* screen's full-window context */ TRIES *_keytry; /* "Try" for use with keypad mode */ 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? */ NCURSES_CH_T *_current_attr; /* holds current attributes 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? */ struct _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 bool _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 */ colorpair_t *_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 _ok_attributes; /* valid attributes for terminal */ chtype _xmc_suppress; /* attributes to suppress if xmc */ chtype _xmc_triggers; /* attributes to process if xmc */ chtype * _acs_map; /* the real alternate-charset map */ bool * _screen_acs_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. */ bool _mouse_initialized; MouseType _mouse_type; int _maxclick; bool (*_mouse_event) (SCREEN *); bool (*_mouse_inline)(SCREEN *); bool (*_mouse_parse) (SCREEN *, int); void (*_mouse_resume)(SCREEN *); void (*_mouse_wrap) (SCREEN *); int _mouse_fd; /* file-descriptor, if any */ bool _mouse_active; /* true if initialized */ mmask_t _mouse_mask; NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */ MEVENT _mouse_events[EV_MAX]; /* hold the last mouse event seen */ MEVENT *_mouse_eventp; /* next free slot in event queue */ #if USE_GPM_SUPPORT bool _mouse_gpm_loaded; bool _mouse_gpm_found; #ifdef HAVE_LIBDL void *_dlopen_gpm; TYPE_gpm_fd _mouse_gpm_fd; TYPE_Gpm_Open _mouse_Gpm_Open; TYPE_Gpm_Close _mouse_Gpm_Close; TYPE_Gpm_GetEvent _mouse_Gpm_GetEvent; #endif Gpm_Connect _mouse_gpm_connect; #endif /* USE_GPM_SUPPORT */ #if USE_EMX_MOUSE int _emxmouse_wfd; int _emxmouse_thread; int _emxmouse_activated; char _emxmouse_buttons[4]; #endif #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); int (*_ungetch)(SCREEN *, int); #endif /* * These are data that support the proper handling of the panel stack on an * per screen basis. */ struct panelhook _panelHook; bool _sig_winch; SCREEN *_next_screen; /* hashes for old and new lines */ unsigned long *oldhash, *newhash; HASHMAP *hashtab; int hashtab_len; int *_oldnum_list; int _oldnum_size; bool _cleanup; /* cleanup after int/quit signal */ int (*_outch)(int); /* output handler if not putc */ int _legacy_coding; /* see use_legacy_coding() */ #if USE_REENTRANT char _ttytype[NAMESIZE]; int _ESCDELAY; int _TABSIZE; int _LINES; int _COLS; #ifdef TRACE long _outchars; const char *_tputs_trace; #endif #endif #ifdef TRACE #define _nc_screen_tracechr_buf_size 40 char tracechr_buf[_nc_screen_tracechr_buf_size]; char tracemse_buf[TRACEMSE_MAX]; #endif /* * ncurses/ncursesw are the same up to this point. */ #if USE_WIDEC_SUPPORT /* recent versions of 'screen' have partially-working support for * UTF-8, but do not permit ACS at the same time (see tty_update.c). */ bool _screen_acs_fix; #endif }; extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain; extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch; WINDOWLIST { WINDOW win; /* first, so WINDOW_EXT() works */ WINDOWLIST *next; SCREEN *screen; /* screen containing the window */ #ifdef _XOPEN_SOURCE_EXTENDED char addch_work[(MB_LEN_MAX * 9) + 1]; unsigned addch_used; /* number of bytes in addch_work[] */ int addch_x; /* x-position for addch_work[] */ int addch_y; /* y-position for addch_work[] */ #endif }; #define WINDOW_EXT(win,field) (((WINDOWLIST *)(win))->field) /* usually in */ #ifndef UCHAR_MAX #define UCHAR_MAX 255 #endif /* The terminfo source is assumed to be 7-bit ASCII */ #define is7bits(c) ((unsigned)(c) < 128) /* Checks for isprint() should be done on 8-bit characters (non-wide) */ #define is8bits(c) ((unsigned)(c) <= UCHAR_MAX) #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 #if USE_REENTRANT #define COUNT_OUTCHARS(n) _nc_count_outchars(n); #else #define COUNT_OUTCHARS(n) _nc_outchars += (n); #endif #else #define COUNT_OUTCHARS(n) /* nothing */ #endif #define RESET_OUTCHARS() COUNT_OUTCHARS(-_nc_outchars) #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 isEILSEQ(status) (((size_t)status == (size_t)-1) && (errno == EILSEQ)) #define init_mb(state) memset(&state, 0, sizeof(state)) #if NCURSES_EXT_COLORS #define NulColor , 0 #else #define NulColor /* nothing */ #endif #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) AttrOf(c) |= ((a) & A_ATTRIBUTES) #define RemAttr(c,a) AttrOf(c) &= ~((a) & A_ATTRIBUTES) #define SetAttr(c,a) AttrOf(c) = ((a) & A_ATTRIBUTES) | WidecExt(c) #define NewChar2(c,a) { a, { c, NulChar } NulColor } #define NewChar(ch) NewChar2(ChCharOf(ch), ChAttrOf(ch)) #if CCHARW_MAX == 5 #define CharEq(a,b) (((a).attr == (b).attr) \ && (a).chars[0] == (b).chars[0] \ && (a).chars[1] == (b).chars[1] \ && (a).chars[2] == (b).chars[2] \ && (a).chars[3] == (b).chars[3] \ && (a).chars[4] == (b).chars[4] \ if_EXT_COLORS(&& (a).ext_color == (b).ext_color)) #else #define CharEq(a,b) (!memcmp(&(a), &(b), sizeof(a))) #endif #define SetChar(ch,c,a) do { \ NCURSES_CH_T *_cp = &ch; \ memset(_cp, 0, sizeof(ch)); \ _cp->chars[0] = (c); \ _cp->attr = (a); \ if_EXT_COLORS(SetPair(ch, PAIR_NUMBER(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 init_mb (PUT_st) #define PUTC(ch,b) do { if(!isWidecExt(ch)) { \ if (Charable(ch)) { \ fputc(CharOf(ch), b); \ COUNT_OUTCHARS(1); \ } else { \ PUTC_INIT; \ for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) { \ PUTC_ch = (ch).chars[PUTC_i]; \ if (PUTC_ch == L'\0') \ break; \ PUTC_n = wcrtomb(PUTC_buf, \ (ch).chars[PUTC_i], &PUT_st); \ if (PUTC_n <= 0) { \ if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) \ putc(PUTC_ch,b); \ break; \ } \ fwrite(PUTC_buf, (unsigned) PUTC_n, 1, b); \ } \ COUNT_OUTCHARS(PUTC_i); \ } } } while (0) #define BLANK NewChar2(' ', WA_NORMAL) #define ZEROS NewChar2('\0', WA_NORMAL) #define ISBLANK(ch) ((ch).chars[0] == L' ' && (ch).chars[1] == L'\0') /* * Wide characters cannot be represented in the A_CHARTEXT mask of * attr_t's but an application might have set a narrow character there. * But even in that case, it would only be a printable character, or * zero. Otherwise we can use those bits to tell if a cell is the * first or extension part of a wide character. */ #define WidecExt(ch) (AttrOf(ch) & A_CHARTEXT) #define isWidecBase(ch) (WidecExt(ch) == 1) #define isWidecExt(ch) (WidecExt(ch) > 1 && WidecExt(ch) < 32) #define SetWidecExt(dst, ext) AttrOf(dst) &= ~A_CHARTEXT, \ AttrOf(dst) |= (ext + 1) #define if_WIDEC(code) code #define Charable(ch) ((SP != 0 && SP->_legacy_coding) \ || (AttrOf(ch) & A_ALTCHARSET) \ || (!isWidecExt(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(ch,b) do { data = CharOf(ch); putc(data,b); } while (0) #define BLANK (' '|A_NORMAL) #define ZEROS ('\0'|A_NORMAL) #define ISBLANK(ch) (CharOf(ch) == ' ') #define isWidecExt(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 LEGALYX(w, y, x) \ ((w) != 0 && \ ((x) >= 0 && (x) <= (w)->_maxx && \ (y) >= 0 && (y) <= (w)->_maxy)) #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 /* * TTY bit definition for converting tabs to spaces. */ #ifdef TAB3 # define OFLAGS_TABS TAB3 /* POSIX specifies TAB3 */ #else # ifdef XTABS # define OFLAGS_TABS XTABS /* XTABS is usually the "same" */ # else # ifdef OXTABS # define OFLAGS_TABS OXTABS /* the traditional BSD equivalent */ # else # define OFLAGS_TABS 0 # endif # endif #endif /* * Standardize/simplify common loops */ #define each_screen(p) p = _nc_screen_chain; p != 0; p = (p)->_next_screen #define each_window(p) p = _nc_windows; p != 0; p = (p)->next #define each_ripoff(p) p = ripoff_stack; (p - ripoff_stack) < N_RIPS; ++p /* * 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 #if USE_REENTRANT #define TPUTS_TRACE(s) _nc_set_tputs_trace(s); #else #define TPUTS_TRACE(s) _nc_tputs_trace = s; #endif #define START_TRACE() \ if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \ int t = _nc_getenv_num("NCURSES_TRACE"); \ if (t >= 0) \ trace((unsigned) t); \ } /* * Many of the _tracef() calls use static buffers; lock the trace state before * trying to fill them. */ #if USE_REENTRANT #define USE_TRACEF(mask) _nc_use_tracef(mask) extern NCURSES_EXPORT(int) _nc_use_tracef (unsigned); extern NCURSES_EXPORT(void) _nc_locked_tracef (const char *, ...) GCC_PRINTFLIKE(1,2); #else #define USE_TRACEF(mask) (_nc_tracing & (mask)) #define _nc_locked_tracef _tracef #endif #define TR(n, a) if (USE_TRACEF(n)) _nc_locked_tracef a #define T(a) TR(TRACE_CALLS, a) #define TRACE_RETURN(value,type) return _nc_retrace_##type(value) #define returnAttr(code) TRACE_RETURN(code,attr_t) #define returnBits(code) TRACE_RETURN(code,unsigned) #define returnBool(code) TRACE_RETURN(code,bool) #define returnCPtr(code) TRACE_RETURN(code,cptr) #define returnCVoidPtr(code) TRACE_RETURN(code,cvoid_ptr) #define returnChar(code) TRACE_RETURN(code,chtype) #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 returnVoidPtr(code) TRACE_RETURN(code,void_ptr) #define returnWin(code) TRACE_RETURN(code,win) extern NCURSES_EXPORT(NCURSES_BOOL) _nc_retrace_bool (NCURSES_BOOL); extern NCURSES_EXPORT(NCURSES_CONST void *) _nc_retrace_cvoid_ptr (NCURSES_CONST void *); 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(const char *) _nc_retrace_cptr (const char *); extern NCURSES_EXPORT(int) _nc_retrace_int (int); extern NCURSES_EXPORT(unsigned) _nc_retrace_unsigned (unsigned); extern NCURSES_EXPORT(void *) _nc_retrace_void_ptr (void *); extern NCURSES_EXPORT(void) _nc_fifo_dump (SCREEN *); #if USE_REENTRANT NCURSES_WRAPPED_VAR(long, _nc_outchars); NCURSES_WRAPPED_VAR(const char *, _nc_tputs_trace); #define _nc_outchars NCURSES_PUBLIC_VAR(_nc_outchars()) #define _nc_tputs_trace NCURSES_PUBLIC_VAR(_nc_tputs_trace()) extern NCURSES_EXPORT(void) _nc_set_tputs_trace (const char *); extern NCURSES_EXPORT(void) _nc_count_outchars (long); #else extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace; extern NCURSES_EXPORT_VAR(long) _nc_outchars; #endif 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); #endif extern NCURSES_EXPORT(const char *) _nc_viscbuf2 (int, const NCURSES_CH_T *, int); extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int); #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 returnCPtr(code) return code #define returnCVoidPtr(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 returnVoidPtr(code) return code #define returnWin(code) return code #endif /* TRACE/!TRACE */ /* * Return-codes for tgetent() and friends. */ #define TGETENT_YES 1 /* entry is found */ #define TGETENT_NO 0 /* entry is not found */ #define TGETENT_ERR -1 /* an error occurred */ 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 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 (PAIR_NUMBER(at) > 0) {\ (S) &= ~(at|A_COLOR);\ } else {\ (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(c) if (!SameAttrOf(SCREEN_ATTRS(SP), c)) { \ attr_t chg = AttrOf(SCREEN_ATTRS(SP)); \ VIDATTR(AttrOf(c), GetPair(c)); \ if (magic_cookie_glitch > 0 \ && XMC_CHANGES((chg ^ AttrOf(SCREEN_ATTRS(SP))))) { \ T(("%s @%d before glitch %d,%d", \ __FILE__, __LINE__, \ SP->_cursrow, \ SP->_curscol)); \ _nc_do_xmc_glitch(chg); \ } \ } #else #define UpdateAttrs(c) if (!SameAttrOf(SCREEN_ATTRS(SP), c)) \ VIDATTR(AttrOf(c), GetPair(c)); #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 (NCURSES_CH_T); #else extern NCURSES_EXPORT(void) _nc_expanded (void); #endif #if !NCURSES_EXT_FUNCS #define set_escdelay(value) ESCDELAY = value #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 /* comp_captab.c */ typedef struct { short nte_name; /* offset of name to hash on */ int nte_type; /* BOOLEAN, NUMBER or STRING */ short nte_index; /* index of associated variable in its array */ short nte_link; /* index in table of next hash, or -1 */ } name_table_data; typedef struct { short from; short to; short source; } alias_table_data; /* 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_addch.c */ #if USE_WIDEC_SUPPORT NCURSES_EXPORT(int) _nc_build_wch(WINDOW *win, ARG_CH_T ch); #endif /* lib_addstr.c */ #if USE_WIDEC_SUPPORT && !defined(USE_TERMLIB) 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(int) _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(TERMINAL *); extern NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *, int, int *, bool); extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, int *, int *); /* lib_tstp.c */ #if USE_SIGWINCH extern NCURSES_EXPORT(int) _nc_handle_sigwinch(SCREEN *); #else #define _nc_handle_sigwinch(a) /* nothing */ #endif /* lib_ungetch.c */ extern NCURSES_EXPORT(int) _nc_ungetch (SCREEN *, int); /* 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 *); #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(int) _nc_add_to_try (TRIES **, const char *, unsigned); extern NCURSES_EXPORT(char *) _nc_expand_try (TRIES *, unsigned, int *, size_t); extern NCURSES_EXPORT(int) _nc_remove_key (TRIES **, unsigned); extern NCURSES_EXPORT(int) _nc_remove_string (TRIES **, const char *); /* elsewhere ... */ extern NCURSES_EXPORT(ENTRY *) _nc_delink_entry (ENTRY *, TERMTYPE *); extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_keyname (SCREEN *, int); extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_unctrl (SCREEN *, chtype); extern NCURSES_EXPORT(SCREEN *) _nc_screen_of (WINDOW *); extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int); extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t); extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *); extern NCURSES_EXPORT(char *) _nc_tracechar (SCREEN *, int); extern NCURSES_EXPORT(char *) _nc_tracemouse (SCREEN *, MEVENT const *); 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 (SCREEN *, bool); extern NCURSES_EXPORT(int) _nc_ospeed (int); extern NCURSES_EXPORT(int) _nc_outch (int); extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const); extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, bool, int); extern NCURSES_EXPORT(int) _nc_timed_wait (SCREEN *, int, int, int * EVENTLIST_2nd(_nc_eventlist *)); extern NCURSES_EXPORT(void) _nc_do_color (short, short, bool, int (*)(int)); extern NCURSES_EXPORT(void) _nc_flush (void); extern NCURSES_EXPORT(void) _nc_free_and_exit (int); extern NCURSES_EXPORT(void) _nc_free_entry (ENTRY *, TERMTYPE *); extern NCURSES_EXPORT(void) _nc_freeall (void); extern NCURSES_EXPORT(void) _nc_hash_map (void); extern NCURSES_EXPORT(void) _nc_init_keytry (SCREEN *); 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_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 (TRIES *); #if NO_LEAKS extern NCURSES_EXPORT(void) _nc_alloc_entry_leaks(void); extern NCURSES_EXPORT(void) _nc_captoinfo_leaks(void); extern NCURSES_EXPORT(void) _nc_codes_leaks(void); extern NCURSES_EXPORT(void) _nc_comp_captab_leaks(void); extern NCURSES_EXPORT(void) _nc_comp_scan_leaks(void); extern NCURSES_EXPORT(void) _nc_keyname_leaks(void); extern NCURSES_EXPORT(void) _nc_names_leaks(void); extern NCURSES_EXPORT(void) _nc_tgetent_leaks(void); #endif #ifndef USE_TERMLIB extern NCURSES_EXPORT(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T); extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const NCURSES_CH_T); extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, NCURSES_SIZE_T const, NCURSES_SIZE_T const, NCURSES_CH_T); #endif #if USE_WIDEC_SUPPORT && !defined(USE_TERMLIB) extern NCURSES_EXPORT(size_t) _nc_wcrtomb (char *, wchar_t, mbstate_t *); #endif #if USE_SIZECHANGE extern NCURSES_EXPORT(void) _nc_update_screensize (SCREEN *); #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(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 */