/*
 * 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 (c) 1996-1999 by Sun Microsystems, Inc.
 * All rights reserved.
 */

/*
 * private.h
 *
 * XCurses Library
 *
 * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
 *
 */

#include <sys/isa_defs.h>
#include <mks.h>
#include <curses.h>
#include <termios.h>
#include <unctrl.h>

#define M_TERM_NAME             "unknown"

/*
 * Interbyte timer value used for processing multibyte function keys.
 */
#ifndef M_CURSES_INTERBYTE_TIME
#define M_CURSES_INTERBYTE_TIME         10
#endif

/*
 * Maximum number of lines that can be ripped off.
 */
#ifndef M_CURSES_MAX_RIPOFFLINE
#define M_CURSES_MAX_RIPOFFLINE         5
#endif

/*
 * See copywin() and wrefresh() case 4.  It is unclear whether XPG4 V2
 * disallows supporting case 4 (expanding characters straddling a window
 * boundary).
 */
#define M_CURSES_SENSIBLE_WINDOWS

/*
 * Enable typeahead() support.
 */
/* using unget buffer as typeahead buffer too */
#define M_TYPEAHEAD_SIZE        200

/*
 * END OF CONFIGURABLE SECTION
 */

/*
 * Constant WINDOW definition attributes.
 */
#define W_IS_PAD        0x0001  /* Window is a pad. */
#define W_END_LINE      0x0002  /* End of line is the margin. */
#define W_FULL_LINE     0x0004  /* Line spans screen width. */
#define W_FULL_WINDOW   0x0008  /* Window is full screen. */
#define W_SCROLL_WINDOW 0x0010  /* Touches bottom-right corner */

/*
 * WINDOW state.
 */
#define W_CLEAR_WINDOW  0x0020  /* clearok() clear screen next update. */
#define W_REDRAW_WINDOW 0x0040  /* wredrawln() use simple() next update. */

/*
 * Configurable WINDOW options.
 */
#define W_FLUSH         0x0080  /* immedok() update when window changes. */
#define W_CAN_SCROLL    0x0100  /* scrollok() window can software scroll. */
#define W_LEAVE_CURSOR  0x0200  /* leaveok() don't fuss with the cursor. */
#define W_SYNC_UP       0x0400  /* syncok() update ancestors when changed. */
#define W_USE_KEYPAD    0x0800  /* keypad() enbles KEY_ processing. */
#define W_USE_TIMEOUT   0x1000  /* notimeout() disables the interbyte timer. */
#define W_CONFIG_MASK   0x1f80  /* Mask of configurable flags. */

/*
 * Flags used in SCREEN.
 */
#define S_ECHO          0x0001  /* Software echo enbled. */
#define S_ENDWIN        0x0002  /* Curses is in "shell" mode. */
#define S_INS_DEL_CHAR  0x0004  /* idcok() enabled for terminal (future). */
#define S_INS_DEL_LINE  0x0008  /* idlok() enabled for terminal. */
#define S_ISATTY        0x0010  /* _kfd is a terminal. */
#define S_USE_META      0x0020  /* meta() enabled. */
#define S_TYPEAHEAD_OK  0x0040  /* typeahead flag */

typedef struct t_decode {
        struct t_decode *sibling;
        struct t_decode *child;
        short   key;                    /* KEY_ value or 0. */
        int     ch;             /* Character found by this node. */
} t_decode;

typedef struct {
        int     top;                    /* # of lines off the top. */
        int     bottom;                 /* # of lines off the bottom (-ve). */
        struct {
                int     dy;             /* Distance from screen top/bottom. */
                int     (*init)(WINDOW *, int); /* Init. function for window. */
                int     created;
        } line[M_CURSES_MAX_RIPOFFLINE];
} t_rip;

extern SCREEN   *__m_screen;
extern int      __m_slk_format;
extern int      __m_slk_labels_on;
extern const short      __m_keyindex[][2];

extern const char       *boolnames[];
extern const char       *boolcodes[];
extern const char       *boolfnames[];
extern const char       *numnames[];
extern const char       *numcodes[];
extern const char       *numfnames[];
extern const char       *strnames[];
extern const char       *strcodes[];
extern const char       *strfnames[];

#define ATTR_STATE      cur_term->_at

#define PTERMIOS(x)     ((struct termios *)(cur_term->x))

#define __m_cc_width(cc)        wcwidth((cc)->_wc[0])

#define TPUTS(a, b, c)                  tputs(a, b, c)

extern int      __m_wc_cc(wint_t, cchar_t *);
extern int      __m_mbs_cc(const char *, attr_t, short, cchar_t *);
extern int      __m_wcs_cc(const wchar_t *, attr_t, short, cchar_t *);
extern int      __m_acs_cc(chtype, cchar_t *);
extern int      __m_wacs_cc(const cchar_t *, cchar_t *);
extern int      __m_cc_mbs(const cchar_t *, char *, int);

extern int      __m_cc_sort(cchar_t *);
extern int      __m_cc_write(const cchar_t *);
extern int      __m_cc_first(WINDOW *, int, int);
extern int      __m_cc_next(WINDOW *, int, int);
extern int      __m_cc_islast(WINDOW *, int, int);
extern int      __m_cc_expand(WINDOW *, int, int, int);
extern int      __m_cc_erase(WINDOW *, int, int, int, int);
extern int      __m_cc_compare(const cchar_t *, const cchar_t *, int);
extern int      __m_cc_replace(WINDOW *, int, int, const cchar_t *, int);
extern int      __m_cc_add(WINDOW *, int, int, const cchar_t *, int,
        int *, int *);
#if defined(_LP64)
extern void     __m_cc_hash(WINDOW *, unsigned int *, int);
#else
extern void     __m_cc_hash(WINDOW *, unsigned long *, int);
#endif

extern int      __m_set_echo(int);
extern int      __m_tty_get(struct termios *);
extern int      __m_tty_set(struct termios *);
extern int      __m_decode_init(t_decode **);
extern void     __m_decode_free(t_decode **);
extern int      __m_do_scroll(WINDOW *, int, int, int *, int *);
extern int      __m_ptr_move(void **, unsigned, unsigned, unsigned, unsigned);

extern int      __m_doupdate_init(void);
extern int      __m_wins_wch(WINDOW *, int, int, const cchar_t *, int *, int *);
extern int      __m_cc_ins(WINDOW *, int, int, const cchar_t *);
extern void     __m_mvcur_cost(void);

extern int      __m_cc_modify(WINDOW *, int, int, const cchar_t *);
extern int      __m_tty_set_prog_mode(void);
extern int      __m_tputs(const char *, int, int (*)(int));
extern int      __m_slk_clear(int);
extern int      __m_cc_add_k(WINDOW *, int, int, const cchar_t *,
        int, int *, int *);
extern int      __m_cc_equal(const cchar_t *, const cchar_t *);
extern void     __m_touch_locs(WINDOW *, int, int, int);
extern int      __m_wadd_wch(WINDOW *, const cchar_t *);
extern void     __m_slk_doupdate(void);
extern int      __m_outc(int);
extern int      __m_tty_wc(int, wchar_t *);
extern int      __m_chtype_cc(chtype, cchar_t *);
extern chtype   __m_cc_chtype(const cchar_t *);
extern int      __m_copywin(const WINDOW *, WINDOW *, int);
extern WINDOW   *__m_newwin(WINDOW *, int, int, int, int);
extern int      __m_putchar(int);
extern int      __m_mvcur(int, int, int, int, int (*)(int));
extern int      __m_read_terminfo(const char *, TERMINAL *);
extern int      __m_setupterm(char *, int, int, int *);

extern int      pollTypeahead(void);
extern int      wistombs(char *, const wint_t *, int);
extern int      wistowcs(wchar_t *, const wint_t *, int);

extern void     wtouchln_hard(WINDOW *, int, int);

/*
 * Unique callback functions to initialize a SCREEN's wide_io_t structure,
 * which is used by __m_wio_get().   The __xc_ denotes XCurses and is used
 * instead of __m_ to avoid possible name conflicts else-where in MKS
 * libraries and applications.  Note that wgetch() is used for the get
 * function.
 */
extern int      __xc_feof(void *);
extern int      __xc_ferror(void *);
extern void     __xc_clearerr(void *);
extern int      __xc_ungetc(int, void *);

/*
 * Input stack macros replaced by these functions.
 */
extern void     iqAdd(unsigned int ch);
extern void     iqPush(unsigned int ch);
extern int      iqIsEmpty(void);
extern void     iqReset(void);
extern int      iqPull(void);

#define WSYNC(w)        \
        if ((w)->_flags & W_SYNC_UP) {\
                wsyncup(w);\
        }
#define WFLUSH(w)       (((w)->_flags & W_FLUSH) ? wrefresh(w) : OK)

/* end */