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Diffstat (limited to 'ncurses-5.2/ncurses/curses.priv.h')
| -rw-r--r-- | ncurses-5.2/ncurses/curses.priv.h | 838 |
1 files changed, 838 insertions, 0 deletions
diff --git a/ncurses-5.2/ncurses/curses.priv.h b/ncurses-5.2/ncurses/curses.priv.h new file mode 100644 index 0000000..4e1ac95 --- /dev/null +++ b/ncurses-5.2/ncurses/curses.priv.h @@ -0,0 +1,838 @@ +/**************************************************************************** + * Copyright (c) 1998,1999,2000 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> * + ****************************************************************************/ + + +/* + * $Id$ + * + * curses.priv.h + * + * Header file for curses library objects which are private to + * the library. + * + */ + +#ifndef CURSES_PRIV_H +#define CURSES_PRIV_H 1 + +#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 + +/* 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 +#endif + +#if HAVE_SIZECHANGE +#define USE_SIZECHANGE 1 +#else +#undef USE_SIGWINCH +#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 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 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 '\'' + +/* + * Structure for palette tables + */ + +typedef struct +{ + short red, green, blue; +} +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 + +#include <curses.h> /* we'll use -Ipath directive to get the right one! */ + +/* + * 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 */ + struct _win_st *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; + +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 */ + + 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) */ + int _tried; /* keypad mode was initialized */ + + unsigned 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? */ + unsigned long _current_attr; /* terminal attribute current set */ + int _coloron; /* is color enabled? */ + 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; + + bool _cleanup; /* cleanup after int/quit signal */ + int (*_outch)(int); /* output handler if not putc */ +}; + +extern SCREEN *_nc_screen_chain; + +#if NCURSES_NOMACROS +#include <nomacros.h> +#endif + + WINDOWLIST { + WINDOWLIST *next; + WINDOW *win; +}; + +typedef struct { + int line; /* lines to take, < 0 => from bottom*/ + int (*hook)(struct _win_st *, int); /* callback for user */ + struct _win_st *w; /* maybe we need this for cleanup */ +} ripoff_t; + +/* 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 TextOf(c) ((c) & (chtype)A_CHARTEXT) +#define AttrOf(c) ((c) & (chtype)A_ATTRIBUTES) + +#define BLANK (' '|A_NORMAL) + +#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 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 returnCode(code) TRACE_RETURN(code,int) +#define returnPtr(code) TRACE_RETURN(code,ptr) +#define returnVoid T((T_RETURN(""))); return +#define returnWin(code) TRACE_RETURN(code,win) +extern WINDOW * _nc_retrace_win(WINDOW *); +extern attr_t _nc_retrace_attr_t(attr_t); +extern attr_t _nc_retrace_chtype(chtype); +extern char *_nc_retrace_ptr(char *); +extern const char *_nc_tputs_trace; +extern int _nc_retrace_int(int); +extern long _nc_outchars; +extern void _nc_fifo_dump(void); +#else +#define T(a) +#define TR(n, a) +#define TPUTS_TRACE(s) +#define returnAttr(code) return code +#define returnChar(code) return code +#define returnCode(code) return code +#define returnPtr(code) return code +#define returnVoid return +#define returnWin(code) return code +#endif + +extern unsigned _nc_tracing; +extern const char *_nc_visbuf2(int, const char *); + +#define _trace_key(ch) ((ch > KEY_MIN) ? keyname(ch) : _tracechar((unsigned char)ch)) + +#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(c) if (SP->_current_attr != AttrOf(c)) { \ + attr_t chg = SP->_current_attr; \ + vidattr(AttrOf(c)); \ + if (magic_cookie_glitch > 0 \ + && XMC_CHANGES((chg ^ SP->_current_attr))) { \ + TR(TRACE_ATTRS, \ + ("%s @%d before glitch %d,%d", \ + __FILE__, __LINE__, \ + SP->_cursrow, \ + SP->_curscol)); \ + _nc_do_xmc_glitch(chg); \ + } \ + } +#else +#define UpdateAttrs(c) if (SP->_current_attr != AttrOf(c)) \ + vidattr(AttrOf(c)) +#endif + +#if NCURSES_EXPANDED && NCURSES_EXT_FUNCS + +#undef toggle_attr_on +#define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at) +extern 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 void _nc_toggle_attr_off(attr_t *, attr_t); + +#undef DelCharCost +#define DelCharCost(count) _nc_DelCharCost(count) +extern int _nc_DelCharCost(int); + +#undef InsCharCost +#define InsCharCost(count) _nc_InsCharCost(count) +extern int _nc_InsCharCost(int); + +#undef UpdateAttrs +#define UpdateAttrs(c) _nc_UpdateAttrs(c) +extern void _nc_UpdateAttrs(chtype); + +#else + +extern void _nc_expanded(void); + +#endif + +#if !HAVE_GETCWD +#define getcwd(buf,len) getwd(buf) +#endif + +/* doupdate.c */ +#if USE_XMC_SUPPORT +extern void _nc_do_xmc_glitch(attr_t); +#endif + +/* hardscroll.c */ +#if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG) +extern void _nc_linedump(void); +#endif + +/* lib_acs.c */ +extern void _nc_init_acs(void); /* corresponds to traditional 'init_acs()' */ +extern int _nc_msec_cost(const char *const, int); /* used by 'tack' program */ + +/* lib_mvcur.c */ +#define INFINITY 1000000 /* cost: too high to use */ + +extern void _nc_mvcur_init(void); +extern void _nc_mvcur_resume(void); +extern void _nc_mvcur_wrap(void); + +extern int _nc_scrolln(int, int, int, int); + +extern void _nc_screen_init(void); +extern void _nc_screen_resume(void); +extern void _nc_screen_wrap(void); + +/* lib_mouse.c */ +extern int _nc_has_mouse(void); + +/* lib_mvcur.c */ +#define INFINITY 1000000 /* cost: too high to use */ + +typedef struct { + char *s_head; + char *s_tail; + size_t s_size; +} string_desc; + +/* strings.c */ +extern string_desc *_nc_str_init(string_desc * dst, char *src, size_t len); +extern string_desc *_nc_str_null(string_desc * dst, size_t len); +extern string_desc *_nc_str_copy(string_desc * dst, string_desc * src); +extern bool _nc_safe_strcat(string_desc * dst, const char *src); +extern bool _nc_safe_strcpy(string_desc * dst, const char *src); + +extern void _nc_mvcur_init(void); +extern void _nc_mvcur_resume(void); +extern void _nc_mvcur_wrap(void); + +extern int _nc_scrolln(int, int, int, int); + +extern void _nc_screen_init(void); +extern void _nc_screen_resume(void); +extern void _nc_screen_wrap(void); + +#if !HAVE_STRSTR +#define strstr _nc_strstr +extern char *_nc_strstr(const char *, const char *); +#endif + +/* safe_sprintf.c */ +extern char * _nc_printf_string(const char *fmt, va_list ap); + +/* tries.c */ +extern void _nc_add_to_try(struct tries **tree, const char *str, unsigned short code); +extern char *_nc_expand_try(struct tries *tree, unsigned short code, int *count, size_t len); +extern int _nc_remove_key(struct tries **tree, unsigned short code); +extern int _nc_remove_string(struct tries **tree, char *string); + +/* elsewhere ... */ +extern WINDOW *_nc_makenew(int, int, int, int, int); +extern char *_nc_home_terminfo(void); +extern char *_nc_trace_buf(int, size_t); +extern chtype _nc_background(WINDOW *); +extern chtype _nc_render(WINDOW *, chtype); +extern int _nc_access(const char *, int); +extern int _nc_baudrate(int); +extern int _nc_getenv_num(const char *); +extern int _nc_keypad(bool); +extern int _nc_ospeed(int); +extern int _nc_outch(int); +extern int _nc_setupscreen(short, short const, FILE *); +extern int _nc_timed_wait(int, int, int *); +extern int _nc_waddch_nosync(WINDOW *, const chtype); +extern void _nc_do_color(int, int, bool, int (*)(int)); +extern void _nc_freeall(void); +extern void _nc_freewin(WINDOW *win); +extern void _nc_hash_map(void); +extern void _nc_init_keytry(void); +extern void _nc_keep_tic_dir(const char *); +extern void _nc_make_oldhash(int i); +extern void _nc_flush(void); +extern void _nc_outstr(const char *str); +extern void _nc_scroll_oldhash(int n, int top, int bot); +extern void _nc_scroll_optimize(void); +extern void _nc_scroll_window(WINDOW *, int const, short const, short const, chtype); +extern void _nc_set_buffer(FILE *, bool); +extern void _nc_signal_handler(bool); +extern void _nc_synchook(WINDOW *win); +extern void _nc_trace_tries(struct tries *tree); + +#if USE_SIZECHANGE +extern void _nc_update_screensize(void); +#endif + +#if USE_WIDEC_SUPPORT +extern int _nc_utf8_outch(int); +#endif + +/* scroll indices */ +extern 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 SCREEN *_nc_screen(void); +extern int _nc_alloc_screen(void); +extern void _nc_set_screen(SCREEN *); +#else +/* current screen is private data; avoid possible linking conflicts too */ +extern 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 windows, 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 int _nc_slk_format; /* != 0 if slk_init() called */ +extern 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 int _nc_ripoffline(int line, int (*init)(WINDOW *,int)); + +#ifdef __cplusplus +} +#endif + +#endif /* CURSES_PRIV_H */ |