freebsd-dev/lib/libncurses/curses.priv.h
Andrey A. Chernov 8bf5c1da27 1) Redo internal interface to be more latest ncurses-like
2) Fix winsdel called in last line of the window (nothing happens in
   old variant)
3) Add range checks to wscrl() and internal soft scroll function
1998-01-02 04:36:51 +00:00

137 lines
4.0 KiB
C

/* This work is copyrighted. See COPYRIGHT.OLD & COPYRIGHT.NEW for *
* details. If they are missing then this copy is in violation of *
* the copyright conditions. */
/*
* curses.priv.h
*
* Header file for curses library objects which are private to
* the library.
*
*/
#ifndef __GNUC__
#define inline
#endif
#ifndef NOACTION
#include <unistd.h>
typedef struct sigaction sigaction_t;
#else
#include "SigAction.h"
#endif
#include "curses.h"
#define min(a,b) ((a) > (b) ? (b) : (a))
#define max(a,b) ((a) < (b) ? (b) : (a))
#define FG(n) ((n) & 0x0f)
#define BG(n) (((n) & 0xf0) >> 4)
#define TextOf(c) ((c) & (chtype)A_CHARTEXT)
#define AttrOf(c) ((c) & (chtype)A_ATTRIBUTES)
#define BLANK (' '|A_NORMAL)
#define CHANGED -1
#define ALL_BUT_COLOR ((chtype)~(A_COLOR))
/* Macro to put together character and attribute info and return it.
If colors are in the attribute, they have precedence. */
#define ch_or_attr(ch,at) \
((PAIR_NUMBER(at) > 0) ? \
((((chtype)ch) & ALL_BUT_COLOR) | (at)) : ((((chtype)ch) | (at))))
extern WINDOW *newscr;
#ifdef TRACE
#define T(a) if (_tracing & TRACE_ORDINARY) _tracef a
#define TR(n, a) if (_tracing & (n)) _tracef a
extern int _tracing;
extern char *visbuf(const char *);
#else
#define T(a)
#define TR(n, a)
#endif
extern int _outch(int);
extern void init_acs(void);
extern void tstp(int);
extern WINDOW *makenew(int, int, int, int);
extern int timed_wait(int fd, int wait, int *timeleft);
extern chtype _nc_background(WINDOW *);
extern chtype _nc_render(WINDOW *, chtype);
extern void _nc_scroll_window(WINDOW *, int, short const, short const, chtype);
struct try {
struct try *child; /* ptr to child. NULL if none */
struct try *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. */
};
/*
* Structure for soft labels.
*/
typedef struct {
char dirty; /* all labels have changed */
char hidden; /* soft lables are hidden */
WINDOW *win;
struct slk_ent {
char text[9]; /* text for the label */
char form_text[9]; /* formatted text (left/center/...) */
int x; /* x coordinate of this field */
char dirty; /* this label has changed */
char visible; /* field is visible */
} ent[8];
} SLK;
#define FIFO_SIZE 32
struct screen {
FILE *_ifp; /* input file ptr for this terminal */
FILE *_ofp; /* output file ptr for this terminal */
int _checkfd;
#ifdef MYTINFO
struct _terminal *_term;
#else
struct term *_term; /* used by terminfo stuff */
#endif
WINDOW *_curscr; /* windows specific to a given terminal */
WINDOW *_newscr;
WINDOW *_stdscr;
struct try *_keytry; /* "Try" for use with keypad mode */
unsigned int _fifo[FIFO_SIZE]; /* Buffer for pushed back characters */
signed char _fifohead,
_fifotail,
_fifopeek;
bool _endwin;
chtype _current_attr;
bool _coloron;
int _cursor; /* visibility of the cursor */
int _cursrow; /* Row and column of physical cursor */
int _curscol;
bool _nl; /* True if NL -> CR/NL is on */
bool _raw; /* True if in raw mode */
int _cbreak; /* 1 if in cbreak mode */
/* > 1 if in halfdelay mode */
bool _echo; /* True if echo on */
bool _nlmapping; /* True if terminal is really doing */
/* NL mapping (fn of raw and nl) */
SLK *_slk; /* ptr to soft key struct / NULL */
int _costs[9]; /* costs of cursor movements for mvcur */
int _costinit; /* flag wether costs[] is initialized */
};
extern struct screen *SP;
extern int _slk_format; /* format specified in slk_init() */
#define MAXCOLUMNS 135
#define MAXLINES 66
#define UNINITIALISED ((struct try * ) -1)