/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1988 AT&T */
/*        All Rights Reserved   */

/*
 * University Copyright- Copyright (c) 1982, 1986, 1988
 * The Regents of the University of California
 * All Rights Reserved
 *
 * University Acknowledgment- Portions of this document are derived from
 * software developed by the University of California, Berkeley, and its
 * contributors.
 */

#ifndef _CURSHDR_H
#define _CURSHDR_H

#ifdef  __cplusplus
extern "C" {
#endif

#define _NOHASH         (-1)    /* if the hash value is unknown */
#define _REDRAW         (-2)    /* if line need redrawn */
#define _BLANK          (-3)    /* if line is blank */
#define _THASH          (123)   /* base hash if clash with other hashes */
#define _KEY            (01)
#define _MACRO          (02)

#define _INPUTPENDING   cur_term->_iwait
#define _PUTS(x, y)     (void) tputs(x, y, _outch)
#define _VIDS(na, oa)   (vidupdate((na), (oa), _outch), curscr->_attrs = (na))
#define _ONINSERT()     (_PUTS(enter_insert_mode, 1), SP->phys_irm = TRUE)
#define _OFFINSERT()    (_PUTS(exit_insert_mode, 1), SP->phys_irm = FALSE)
#define _STRNOTEQ(a, b) (a == NULL ? (b != NULL) : \
                            (b == NULL ? 1 : strcmp(a, b)))

/*
 * IC and IL overheads and costs should be set to this
 * value if the corresponding feature is missing
 */

#define LARGECOST       500

typedef struct
{
    short       icfixed;                /* Insert char fixed overhead */
    short       dcfixed;                /* Delete char fixed overhead */
    short       Insert_character;
    short       Delete_character;
    short       Cursor_home;
    short       Cursor_to_ll;
    short       Cursor_left;
    short       Cursor_right;
    short       Cursor_down;
    short       Cursor_up;
    short       Carriage_return;
    short       Tab;
    short       Back_tab;
    short       Clr_eol;
    short       Clr_bol;
    short       Parm_ich;
    short       Parm_dch;
    short       Parm_left_cursor;
    short       Parm_up_cursor;
    short       Parm_down_cursor;
    short       Parm_right_cursor;
    short       Cursor_address;
    short       Row_address;
} COSTS;

#define _COST(field)    (SP->term_costs.field)

/* Soft label keys */

#define LABMAX  16      /* max number of labels allowed */
#define LABLEN  8       /* max length of each label */

typedef struct
{
    WINDOW      *_win;          /* the window to display labels */
    char        _ldis[LABMAX][LABLEN+1]; /* labels suitable to display */
    char        _lval[LABMAX][LABLEN+1]; /* labels' true values */
    short       _labx[LABMAX];  /* where to display labels */
    short       _num;           /* actual number of labels */
    short       _len;           /* real length of labels */
    bool        _changed;       /* TRUE if some labels changed */
    bool        _lch[LABMAX];   /* change status */
} SLK_MAP;

struct  screen
{
    unsigned    fl_echoit : 1;  /* in software echo mode */
    unsigned    fl_endwin : 2;  /* has called endwin */
    unsigned    fl_meta : 1;    /* in meta mode */
    unsigned    fl_nonl : 1;    /* do not xlate input \r-> \n */
    unsigned    yesidln : 1;    /* has idln capabilities */
    unsigned    dmode : 1;      /* Terminal has delete mode */
    unsigned    imode : 1;      /* Terminal has insert mode */
    unsigned    ichok : 1;      /* Terminal can insert characters */
    unsigned    dchok : 1;      /* Terminal can delete characters */
    unsigned    sid_equal : 1;  /* enter insert and delete mode equal */
    unsigned    eid_equal : 1;  /* exit insert and delete mode equal */
    unsigned    phys_irm : 1;   /* in insert mode or not */
    long        baud;           /* baud rate of this tty */
    short       kp_state;       /* 1 iff keypad is on, else 0 */
    short       Yabove;         /* How many lines are above stdscr */
    short       lsize;          /* How many lines decided by newscreen */
    short       csize;          /* How many columns decided by newscreen */
    short       tsize;          /* How big is a tab decided by newscreen */
    WINDOW      *std_scr;       /* primary output screen */
    WINDOW      *cur_scr;       /* what's physically on the screen */
    WINDOW      *virt_scr;      /* what's virtually on the screen */
    int         *cur_hash;      /* hash table of curscr */
    int         *virt_hash;     /* hash table of virtscr */
    TERMINAL    *tcap;          /* TERMINFO info */
    FILE        *term_file;     /* File to write on for output. */
    FILE        *input_file;    /* Where to get keyboard input */
    SLK_MAP     *slk;           /* Soft label information */
    char        **_mks;         /* marks, only used with xhp terminals */
    COSTS       term_costs;     /* costs of various capabilities */
    SGTTY       save_tty_buf;   /* saved termio state of this tty */
#ifdef  SYSV
    SGTTYS      save_tty_bufs;  /* saved termios state of this tty */
#endif
    char        **_color_mks;   /* marks, only used with color xhp terminals */
    unsigned long  _trap_mbe;           /* trap these mouse button events    */
    unsigned long  _map_mbe_to_key;     /* map selected buttons on top of    */
                                        /* slk's to function keys */
};

extern  SCREEN  *SP;
extern  WINDOW  *_virtscr;

#ifdef  DEBUG
#ifndef outf
extern  FILE    *outf;
#endif  /* outf */
#endif  /* DEBUG */

extern  short   cswidth[],      /* byte size of multi-byte chars */
                _curs_scrwidth[];       /* display size */
extern  short   _csmax,
                _scrmax;
extern  bool    _mbtrue;

#define MBIT            0200            /* indicator for a multi-byte char */
#define CBIT            002000000000    /* indicator for a continuing col */
#define RBYTE(x)        ((x) & 0377)
#define LBYTE(x)        (((x) >> 8) & 0177)
#define ISMBIT(x)       ((x) & MBIT)
#define SETMBIT(x)      ((x) |= MBIT)
#define CLRMBIT(x)      ((x) &= ~MBIT)
#define ISCBIT(x)       ((x) & CBIT)
#define SETCBIT(x)      ((x) |= CBIT)
#define CLRCBIT(x)      ((x) &= ~CBIT)
#define TYPE(x)         ((x) == SS2 ? 1 : (x) == SS3 ? 2 : ISMBIT(x) ? 0 : 3)
#define TRIM            037777777777    /* 0xFFFFFFFF */

/* terminfo magic number */
#define MAGNUM  0432

/* curses screen dump magic number */
#define SVR2_DUMP_MAGIC_NUMBER  0433
#define SVR3_DUMP_MAGIC_NUMBER  0434

/* Getting the baud rate is different on the two systems. */

#ifdef  SYSV
#define _BR(x)  (x.c_cflag & CBAUD)
#define _BRS(x) (cfgetospeed(&x))
#include        <values.h>
#else   /* SYSV */
#define BITSPERBYTE     8
#define MAXINT          32767
#define _BR(x)  (x.sg_ispeed)
#endif  /* SYSV */

#define _BLNKCHAR       ' '
#define _CTRL(c)        (c | 0100)
#define _ATTR(c)        ((c) & A_ATTRIBUTES)
#define _CHAR(c)        ((c) & A_CHARTEXT)

/*
 *      combine CHAR par of the character with the attributes of the window.
 *      Two points: 1) If character is blank, usebackground instead
 *                  2) If character contains color, delete color from
 *                      window attribute.
 */

#define _WCHAR(w, c)    (_CHAR((c) == _BLNKCHAR ? (w)->_bkgd : (c))| \
                            (((c) & A_COLOR) ? ((w)->_attrs & ~A_COLOR) : \
                            ((w)->_attrs)))

#define _DARKCHAR(c)    ((c) != _BLNKCHAR)
#define _UNCTRL(c)      ((c) ^ 0100)

/* blank lines info of curscr */
#define _BEGNS          curscr->_firstch
#define _ENDNS          curscr->_lastch

/* hash tables */
#define _CURHASH        SP->cur_hash
#define _VIRTHASH       SP->virt_hash

/* top/bot line changed */
#define _VIRTTOP        _virtscr->_parx
#define _VIRTBOT        _virtscr->_pary

/* video marks */
#define _MARKS          SP->_mks
#define _COLOR_MARKS    SP->_color_mks

#define _NUMELEMENTS(x) (sizeof (x)/sizeof (x[0]))

#ifdef  _VR3_COMPAT_CODE
/*
 * #define      _TO_OCHTYPE(x)          ((_ochtype)(((x&A_ATTRIBUTES)>>9)| \
 *                                              (x&0x0000007FUL)))
 */
#define _TO_OCHTYPE(x)          ((_ochtype)(((x&A_ATTRIBUTES)>>9)|(x&0177)))
#define _FROM_OCHTYPE(x)        ((chtype) ((x&0177) | ((x&0177600)<<9)))
extern  void    (*_y16update)(WINDOW *, int, int, int, int);
#endif  /* _VR3_COMPAT_CODE */

/* functions for screen updates */

extern  int     (*_setidln)(void);
extern  int     (*_useidln)(void);
extern  int     (*_quick_ptr)(WINDOW *, chtype);
extern  int     (_quick_echo)(WINDOW *, chtype);

/* min/max functions */

#define _MIN(a, b)      ((a) < (b) ? (a) : (b))
#define _MAX(a, b)      ((a) > (b) ? (a) : (b))

extern  int     (*_do_slk_ref)(void);
extern  int     (*_do_slk_tch)(void);
extern  int     (*_do_slk_noref)(void);
extern  int     _image(WINDOW *);
extern  int     _outch(char);
extern  int     _outwch(chtype);
extern  int     _chkinput(void);
extern  int     _curs_mbtowc(wchar_t *, const char *, size_t);
extern  int     _curs_wctomb(char *, wchar_t);
extern  int     _delay(int, int (*)(char));
extern  int     _mbaddch(WINDOW *, chtype, chtype);
extern  int     _mbclrch(WINDOW *, int, int);
extern  int     _mbinsshift(WINDOW *, int), _mbvalid(WINDOW *);
extern  int     _padjust(WINDOW *, int, int, int, int, int, int);
extern  int     _prefresh(int (*)(WINDOW *), WINDOW *, int, int, int,
                int, int, int);
extern  int     _overlap(WINDOW *, WINDOW *, int);
extern  int     _scr_all(char *, int);
extern  int     _slk_update(void);
extern  int     _tcsearch(char *, short [], char *[], int, int);
extern  int     _vsscanf(const char *, const char *, __va_list);
extern  int     force_doupdate(void);
extern  int     init_acs(void);
extern  int     mbscrw(int);
extern  int     mbeucw(int);
extern  int     scr_ll_dump(FILE *);
extern  int     scr_reset(FILE *, int);
extern  int     setkeymap(void);
extern  int     ttimeout(int);
extern  int     wadjcurspos(WINDOW *);
extern  int     wcscrw(wchar_t);
extern  int     wmbmove(WINDOW *, int, int);

extern  chtype  tgetch(int);

extern  WINDOW  *_makenew(int, int, int, int);

extern  void    (*_slk_init)(void);
extern  void    (*_rip_init)(void);
extern  void    delkeymap(TERMINAL *);
extern  void    mbgetwidth(void);
extern  void    memSset(chtype *, chtype, int);
extern  void    _blast_keys(TERMINAL *);
extern  void    _init_costs(void);
extern  void    _init_HP_pair(short, short, short);
extern  void    _update_old_y_area(WINDOW *, int, int, int, int);

extern  char    *tparm_p0(char *);
extern  char    *tparm_p1(char *, long);
extern  char    *tparm_p2(char *, long, long);
extern  char    *tparm_p3(char *, long, long, long);
extern  char    *tparm_p4(char *, long, long, long, long);
extern  char    *tparm_p7(char *, long, long, long, long, long, long, long);


extern  char    *infotocap(char *, int *);
extern  char    *_strcode2byte(wchar_t *, char *, int);
extern  char    *wmbinch(WINDOW *, int, int);

#ifdef  __cplusplus
}
#endif

#endif  /* _CURSHDR_H */