/* vi: set sw=4 ts=4: */
/*
 * KON2 - Kanji ON Console -
 * Copyright (C) 1992-1996 Takashi MANABE (manabe@papilio.tutics.tut.ac.jp)
 *
 * CCE - Console Chinese Environment -
 * Copyright (C) 1998-2003 Rui He (rhe@3eti.com)
 *
 * 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. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 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 TERRENCE R. LAMBERT 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.
 * 
 */

/* vt -- VT emulator */
#ifndef __CCE_VT_H__
#define __CCE_VT_H__

#include	<defs.h>
#include	<font.h>
#include	<convert.h>

struct attrStack
{
    struct attrStack *prev;
    u_char x, y, attr, bcol, fcol, charfont;
};

#define MAX_TTYNAME 16

typedef struct _ConInfo {
        struct _ConInfo *prevCon;
	struct _ConInfo *nextCon;

        int   window; /* 0 -9 */

    short
	x,
	y,
	xmax,	/* 79 */
	ymin,	/* 0 */
	ymax,	/* 29 */
	tab;	/* 8 */

        char ptyName[MAX_TTYNAME+1]; /*,ttyName[MAX_TTYNAME+1]; */
        int masterPty; /*,slavePty; */
        pid_t childPid;

        int terminate;

        struct attrStack *saveAttr;

	u_char   *textBuff, *attrBuff, *flagBuff;
 	bool     textClear;
	int      textHead, scrollLine;
	int 	 currentScroll;
	int    textSize;

    u_char
	charfont, /* 0,1 or 2 */
	
	fcol,	/* foreground color */
	bcol,	/* background color */
	attr,	/* attribute */
	sb,	/* 1 byte code */
	db,	/* 2 byte code */
	knj1;	/* 1 byte, first half of the double-byte char */

    void (*esc)(struct _ConInfo *con,u_char);

    enum {
	CS_LEFT,
	CS_RIGHT,
	CS_GRAPH,
	CS_DBCS} trans, g[2];

    bool
	soft,
	ins,  /* insert mode or override mode */
	wrap; /* need to wrap ? */
} ConInfo;

extern ConInfo *curCon;

extern int text_mode;
extern int active;
extern int OverrideSysCoding;

#define	G0_SET	0
#define	G1_SET	0x80

#define DEF_FGCOLOR 7
#define DEF_BGCOLOR 0

#define INPUT_BGCOLOR           1

#define INPUT_FGCOLOR           15  /* 7 (7 is darker than 15) */

extern void	VtInit(void);
extern void	VtStart(ConInfo *con);
extern void	VtWrite(ConInfo *con, const u_char*, int nchars);
extern void	VtCleanup(ConInfo *con);

enum {
    DF_GB2312,
    DF_JISX0208,
    DF_KSC5601,
    DF_JISX0212,
    DF_BIG5_0,
    DF_BIG5_1,
	DF_GBK,
    };

#endif  /* __CCE_VT_H__ */