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- /****************************************************************************
- * Copyright (c) 1998-2001,2002 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 <zmbenhal@netcom.com> 1992,1995 *
- * and: Eric S. Raymond <esr@snark.thyrsus.com> *
- * and: Thomas E. Dickey 1996-2002 *
- ****************************************************************************/
-
-
- /*
- * $Id: curses.priv.h,v 1.228 2002/10/12 15:49:10 tom 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 <ncurses_dll.h>
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- #include <ncurses_cfg.h>
-
- #if USE_RCS_IDS
- #define MODULE_ID(id) static const char Ident[] = id;
- #else
- #define MODULE_ID(id) /*nothing*/
- #endif
-
- #include <stdlib.h>
- #include <string.h>
- #include <sys/types.h>
-
- #if HAVE_UNISTD_H
- #include <unistd.h>
- #endif
-
- #if HAVE_SYS_BSDTYPES_H
- #include <sys/bsdtypes.h> /* needed for ISC */
- #endif
-
- #if HAVE_LIMITS_H
- # include <limits.h>
- #elif HAVE_SYS_PARAM_H
- # include <sys/param.h>
- #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 <assert.h>
- #include <stdio.h>
-
- #include <errno.h>
-
- #if DECL_ERRNO
- extern int errno;
- #endif
-
- #include <nc_panel.h>
-
- /* 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 <poll.h>
- #else
- #include <sys/poll.h>
- #endif
- #else
- #define USE_FUNC_POLL 0
- #endif
-
- /* include signal.h before curses.h to work-around defect in glibc 2.1.3 */
- #include <signal.h>
-
- /* 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
- #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 <curses.h> /* we'll use -Ipath directive to get the right one! */
- #include <term.h>
-
- 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 */
- };
-
- /*
- * Structure for soft labels.
- */
-
- typedef struct
- {
- char *text; /* text for the label */
- char *form_text; /* formatted text (left/center/...) */
- int 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;
- char* buffer; /* buffer for labels */
- 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 */
- struct term *_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 */
-
- 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 */
- 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];
-
- /* 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.
- */
- 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 */
-
- /*
- * 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 */
- };
-
- extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain;
-
- #if NCURSES_NOMACROS
- #include <nomacros.h>
- #endif
-
- /*
- * The margins are used in resizeterm() to retain the original layout after
- * resizing.
- */
- WINDOWLIST {
- WINDOWLIST *next;
- #if HAVE_RESIZETERM
- int l_margin;
- int r_margin;
- int t_margin;
- int b_margin;
- #endif
- WINDOW win;
- };
-
- /* 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 <unistd.h> */
- #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 <fcntl.h> /* may define O_BINARY */
- #endif
-
- #ifndef O_BINARY
- #define O_BINARY 0
- #endif
-
- #define UChar(c) ((unsigned char)(c))
- #define ChCharOf(c) ((c) & (chtype)A_CHARTEXT)
- #define ChAttrOf(c) ((c) & (chtype)A_ATTRIBUTES)
-
- #if USE_WIDEC_SUPPORT /* { */
- #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) } }
- #define NewChar2(c,a) { a, { c } }
- #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(ch,b) do { if(!isnac(ch)) { \
- memset (&PUT_st, '\0', sizeof (PUT_st)); \
- PUTC_i = 0; \
- 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'); \
- } } 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) (!isnac(ch) && \
- (ch).chars[1] == L'\0' && \
- (wctob(CharOf(ch)) == (char)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 <nc_alloc.h>
-
- /*
- * 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_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 * 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
-
- /* 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_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 */
-
- /* lib_wacs.c */
- #if USE_WIDEC_SUPPORT
- extern NCURSES_EXPORT(void) _nc_init_wacs(void);
- #endif
-
- typedef struct {
- char *s_head;
- char *s_tail;
- size_t s_size;
- } 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 **, char *);
-
- /* elsewhere ... */
- 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(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T);
- 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_outstr (const char *str);
- 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) \
- if ((SP->_buffered != 0) != 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 */
-