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NetBSD/lib/libcurses/curses_private.h

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/* $NetBSD: curses_private.h,v 1.31 2003/06/26 17:17:10 dsl Exp $ */
/*-
* Copyright (c) 1998-2000 Brett Lymn
* (blymn@baea.com.au, brett_lymn@yahoo.com.au)
* All rights reserved.
*
* This code has been donated to The NetBSD Foundation by the Author.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
*/
#include <termios.h>
/* Private structure definitions for curses. */
/* Termcap capabilities. */
extern char __tc_am, __tc_bs, __tc_cc, __tc_da, __tc_eo,
__tc_hc, __tc_hl, __tc_in, __tc_mi, __tc_ms,
__tc_nc, __tc_ns, __tc_os, __tc_ul, __tc_ut,
__tc_xb, __tc_xn, __tc_xt, __tc_xs, __tc_xx;
extern char __CA;
extern int __tc_pa, __tc_Co, __tc_NC;
extern char *__tc_ac, *__tc_AB, *__tc_ae, *__tc_AF, *__tc_AL,
*__tc_al, *__tc_as, *__tc_bc, *__tc_bl, *__tc_bt,
*__tc_cd, *__tc_ce, *__tc_cl, *__tc_cm, *__tc_cr,
*__tc_cs, *__tc_dc, *__tc_DL, *__tc_dl, *__tc_dm,
*__tc_DO, *__tc_do, *__tc_eA, *__tc_ed, *__tc_ei,
*__tc_ho, *__tc_Ic, *__tc_ic, *__tc_im, *__tc_Ip,
*__tc_ip, *__tc_k0, *__tc_k1, *__tc_k2, *__tc_k3,
*__tc_k4, *__tc_k5, *__tc_k6, *__tc_k7, *__tc_k8,
*__tc_k9, *__tc_kd, *__tc_ke, *__tc_kh, *__tc_kl,
*__tc_kr, *__tc_ks, *__tc_ku, *__tc_LE, *__tc_ll,
*__tc_ma, *__tc_mb, *__tc_md, *__tc_me, *__tc_mh,
*__tc_mk, *__tc_mm, *__tc_mo, *__tc_mp, *__tc_mr,
*__tc_nd, *__tc_nl, *__tc_oc, *__tc_op,
*__tc_rc, *__tc_RI, *__tc_Sb, *__tc_sc, *__tc_se,
*__tc_SF, *__tc_Sf, *__tc_sf, *__tc_so, *__tc_sp,
*__tc_SR, *__tc_sr, *__tc_ta, *__tc_te, *__tc_ti,
*__tc_uc, *__tc_ue, *__tc_UP, *__tc_up, *__tc_us,
*__tc_vb, *__tc_ve, *__tc_vi, *__tc_vs;
/*
* A window an array of __LINE structures pointed to by the 'lines' pointer.
* A line is an array of __LDATA structures pointed to by the 'line' pointer.
*
* IMPORTANT: the __LDATA structure must NOT induce any padding, so if new
* fields are added -- padding fields with *constant values* should ensure
* that the compiler will not generate any padding when storing an array of
* __LDATA structures. This is to enable consistent use of memcmp, and memcpy
* for comparing and copying arrays.
*/
struct __ldata {
wchar_t ch; /* Character */
attr_t attr; /* Attributes */
wchar_t bch; /* Background character */
attr_t battr; /* Background attributes */
};
#define __LDATASIZE (sizeof(__LDATA))
struct __line {
#ifdef DEBUG
#define SENTINEL_VALUE 0xaac0ffee
unsigned int sentinel; /* try to catch line overflows */
#endif
#define __ISDIRTY 0x01 /* Line is dirty. */
#define __ISPASTEOL 0x02 /* Cursor is past end of line */
unsigned int flags;
unsigned int hash; /* Hash value for the line. */
int *firstchp, *lastchp; /* First and last chngd columns ptrs */
int firstch, lastch; /* First and last changed columns. */
__LDATA *line; /* Pointer to the line text. */
};
struct __window { /* Window structure. */
struct __window *nextp, *orig; /* Subwindows list and parent. */
int begy, begx; /* Window home. */
int cury, curx; /* Current x, y coordinates. */
int maxy, maxx; /* Maximum values for curx, cury. */
int reqy, reqx; /* Size requested when created */
int ch_off; /* x offset for firstch/lastch. */
__LINE **lines; /* Array of pointers to the lines */
__LINE *lspace; /* line space (for cleanup) */
__LDATA *wspace; /* window space (for cleanup) */
#define __ENDLINE 0x00000001 /* End of screen. */
#define __FLUSH 0x00000002 /* Fflush(stdout) after refresh. */
#define __FULLWIN 0x00000004 /* Window is a screen. */
#define __IDLINE 0x00000008 /* Insert/delete sequences. */
#define __SCROLLWIN 0x00000010 /* Last char will scroll window. */
#define __SCROLLOK 0x00000020 /* Scrolling ok. */
#define __CLEAROK 0x00000040 /* Clear on next refresh. */
#define __LEAVEOK 0x00000100 /* If cursor left */
#define __KEYPAD 0x00010000 /* If interpreting keypad codes */
#define __NOTIMEOUT 0x00020000 /* Wait indefinitely for func keys */
#define __IDCHAR 0x00040000 /* insert/delete char sequences */
#define __ISPAD 0x00080000 /* "window" is a pad */
unsigned int flags;
int delay; /* delay for getch() */
attr_t wattr; /* Character attributes */
wchar_t bch; /* Background character */
attr_t battr; /* Background attributes */
int scr_t, scr_b; /* Scrolling region top, bottom */
};
/* Set of attributes unset by 'me' - 'mb', 'md', 'mh', 'mk', 'mp' and 'mr'. */
#define __TERMATTR \
(__REVERSE | __BLINK | __DIM | __BOLD | __BLANK | __PROTECT)
struct __winlist {
struct __window *winp; /* The window. */
struct __winlist *nextp; /* Next window. */
};
struct __color {
short num;
short red;
short green;
short blue;
int flags;
};
/* List of colour pairs */
struct __pair {
short fore;
short back;
int flags;
};
/* Maximum colours */
#define MAX_COLORS 64
/* Maximum colour pairs - determined by number of colour bits in attr_t */
#define MAX_PAIRS PAIR_NUMBER(__COLOR)
typedef struct keymap keymap_t;
/* this is the encapsulation of the terminal definition, one for
* each terminal that curses talks to.
*/
struct __screen {
FILE *infd, *outfd; /* input and output file descriptors */
WINDOW *curscr; /* Current screen. */
WINDOW *stdscr; /* Standard screen. */
WINDOW *__virtscr; /* Virtual screen (for doupdate()). */
int curwin; /* current window for refresh */
int lx, ly; /* loop parameters for refresh */
int COLS; /* Columns on the screen. */
int LINES; /* Lines on the screen. */
int COLORS; /* Maximum colors on the screen */
int COLOR_PAIRS; /* Maximum color pairs on the screen */
int My_term; /* Use Def_term regardless. */
char GT; /* Gtty indicates tabs. */
char NONL; /* Term can't hack LF doing a CR. */
char UPPERCASE; /* Terminal is uppercase only. */
/* BEWARE!!! The order of the following terminal capabilities */
/* (tc_foo) is important - do not update without fixing the zap */
/* function in setterm.c */
char tc_am, tc_bs, tc_cc, tc_da, tc_eo, tc_hc, tc_hl, tc_in, tc_mi,
tc_ms, tc_nc, tc_ns, tc_os, tc_ul, tc_ut, tc_xb, tc_xn, tc_xt,
tc_xs, tc_xx;
int flag_count;
int tc_pa, tc_Co, tc_NC;
int int_count;
char *tc_AB, *tc_ac, *tc_ae, *tc_AF, *tc_AL,
*tc_al, *tc_as, *tc_bc, *tc_bl, *tc_bt,
*tc_cd, *tc_ce, *tc_cl, *tc_cm, *tc_cr,
*tc_cs, *tc_dc, *tc_DL, *tc_dl, *tc_dm,
*tc_DO, *tc_do, *tc_eA, *tc_ed, *tc_ei,
*tc_ho, *tc_Ic, *tc_ic, *tc_im, *tc_Ip,
*tc_ip, *tc_k0, *tc_k1, *tc_k2, *tc_k3,
*tc_k4, *tc_k5, *tc_k6, *tc_k7, *tc_k8,
*tc_k9, *tc_kd, *tc_ke, *tc_kh, *tc_kl,
*tc_kr, *tc_ks, *tc_ku, *tc_LE, *tc_ll,
*tc_ma, *tc_mb, *tc_md, *tc_me, *tc_mh,
*tc_mk, *tc_mm, *tc_mo, *tc_mp, *tc_mr,
*tc_nd, *tc_nl, *tc_oc, *tc_op, *tc_pc,
*tc_rc, *tc_RI, *tc_Sb, *tc_sc, *tc_se,
*tc_SF, *tc_Sf, *tc_sf, *tc_so, *tc_sp,
*tc_SR, *tc_sr, *tc_ta, *tc_te, *tc_ti,
*tc_uc, *tc_ue, *tc_UP, *tc_up, *tc_us,
*tc_vb, *tc_ve, *tc_vi, *tc_vs;
char CA;
int str_count;
chtype acs_char[NUM_ACS];
struct __color colours[MAX_COLORS];
struct __pair colour_pairs[MAX_PAIRS];
attr_t nca;
/* Style of colour manipulation */
#define COLOR_NONE 0
#define COLOR_ANSI 1 /* ANSI/DEC-style colour manipulation */
#define COLOR_HP 2 /* HP-style colour manipulation */
#define COLOR_TEK 3 /* Tektronix-style colour manipulation */
#define COLOR_OTHER 4 /* None of the others but can set fore/back */
int color_type;
attr_t mask_op;
attr_t mask_me;
attr_t mask_ue;
attr_t mask_se;
struct tinfo *cursesi_genbuf;
int old_mode; /* old cursor visibility state for terminal */
keymap_t *base_keymap;
int echoit;
int pfast;
int rawmode;
int nl;
int noqch;
int clearok;
int useraw;
struct __winlist *winlistp;
struct termios cbreakt, rawt, *curt, save_termios;
struct termios orig_termios, baset, savedtty;
int ovmin;
int ovtime;
char *stdbuf;
unsigned int len;
int meta_state;
char pad_char;
char ttytype[128];
int endwin;
int notty;
int half_delay;
};
extern char __GT; /* Gtty indicates tabs. */
extern char __NONL; /* Term can't hack LF doing a CR. */
extern char __UPPERCASE; /* Terminal is uppercase only. */
extern int My_term; /* Use Def_term regardless. */
extern const char *Def_term; /* Default terminal type. */
extern SCREEN *_cursesi_screen; /* The current screen in use */
/* Private functions. */
#ifdef DEBUG
void __CTRACE(const char *, ...) __attribute__((__format__(__printf__, 1, 0)));
#endif
void __cputchar_args(char, void *);
void _cursesi_free_keymap(keymap_t *);
int _cursesi_gettmode(SCREEN *);
void _cursesi_reset_acs(SCREEN *);
void _cursesi_resetterm(SCREEN *);
int _cursesi_setterm(char *, SCREEN *);
int __delay(void);
u_int __hash_more(char *, size_t, u_int);
#define __hash(s, len) __hash_more((s), (len), 0u)
void __id_subwins(WINDOW *);
void __init_getch(SCREEN *);
void __init_acs(SCREEN *);
char *__longname(char *, char *); /* Original BSD version */
int __mvcur(int, int, int, int, int);
WINDOW *__newwin(SCREEN *, int, int, int, int, int);
int __nodelay(void);
int __notimeout(void);
char *__parse_cap(const char *, ...);
void __restartwin(void);
void __restore_colors(void);
void __restore_cursor_vis(void);
void __restore_meta_state(void);
void __restore_termios(void);
void __restore_stophandler(void);
void __save_termios(void);
void __set_color(WINDOW *win, attr_t attr);
void __set_stophandler(void);
void __set_subwin(WINDOW *, WINDOW *);
void __startwin(SCREEN *);
void __stop_signal_handler(int);
int __stopwin(void);
void __swflags(WINDOW *);
int __timeout(int);
int __touchline(WINDOW *, int, int, int);
int __touchwin(WINDOW *);
char *__tscroll(const char *, int, int);
void __unsetattr(int);
void __unset_color(WINDOW *win);
int __waddch(WINDOW *, __LDATA *);
int __wgetnstr(WINDOW *, char *, int);
/* Private #defines. */
#define min(a,b) ((a) < (b) ? (a) : (b))
#define max(a,b) ((a) > (b) ? (a ): (b))
/* Private externs. */
extern int __echoit;
extern int __endwin;
extern int __pfast;
extern int __rawmode;
extern int __noqch;
extern attr_t __mask_op, __mask_me, __mask_ue, __mask_se;
extern struct __winlist *__winlistp;
extern WINDOW *__virtscr;
extern int __using_color;
extern attr_t __default_color;
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