/***
*
*   Gt.api
*
*   C language definitions for GT (general terminal) API
*
*   Copyright (c) 1992-1993, Computer Associates International, Inc.
*   All rights reserved.
*
*   CA-Clipper uses Microsoft C large model calling conventions
*
*/


#ifndef _GT_API


#ifndef _CLIPDEFS_H
#include "clipdefs.h"
#endif

/*
*
*  State and Settings
*
*/
extern ERRCODE _gtScrDim(USHORTP, USHORTP);
extern BOOL    _gtIsColor(void);

extern ERRCODE _gtSetMode(USHORT nRows, USHORT nCols);
extern USHORT  _gtMaxRow(void);
extern USHORT  _gtMaxCol(void);

extern ERRCODE _gtRectSize(USHORT top, USHORT left,
                           USHORT bottom, USHORT right, USHORTP sizeP);
extern ERRCODE _gtSetSnowFlag(BOOL no_snow);
extern ERRCODE _gtSetBlink(BOOL lOnOff);

extern void    _gtPreExt(void);
extern void    _gtPostExt(void);


/*
*
*  Display buffer control
*
*/
extern ERRCODE _gtDispBegin(void);
extern ERRCODE _gtDispEnd(void);
extern USHORT  _gtDispCount(void);


/*
*
*  Cursor and position
*
*/
extern ERRCODE _gtSetCursor(USHORT type);
extern ERRCODE _gtGetCursor(USHORTP typeP);

extern ERRCODE _gtSetPos(USHORT row, USHORT col);
extern ERRCODE _gtGetPos(USHORTP rowP, USHORTP colP);


/*
*
*  Color
*
*/
extern ERRCODE _gtSetColorStr( BYTEP cP );
extern ERRCODE _gtGetColorStr( BYTEP cP );
extern ERRCODE _gtColorSelect( USHORT i );


/*
*
*  Output
*
*/
extern ERRCODE _gtWriteAt(USHORT row, USHORT col, BYTEP s, USHORT len);
extern ERRCODE _gtWrite(BYTEP s, USHORT len);
extern ERRCODE _gtWriteCon(BYTEP s, USHORT len);

extern ERRCODE _gtRepChar(USHORT row, USHORT col, USHORT c, USHORT count);

extern ERRCODE _gtScroll(USHORT top, USHORT left,
                         USHORT bottom, USHORT right, short vs, short hs);

extern ERRCODE _gtBox(USHORT top, USHORT left,
                      USHORT bottom, USHORT right, BYTEP framestr);
extern ERRCODE _gtBoxS(USHORT top, USHORT left,
                       USHORT bottom, USHORT right);
extern ERRCODE _gtBoxD(USHORT top, USHORT left,
                       USHORT bottom, USHORT right);


/*
*
*  Screen save and restore
*
*/
extern ERRCODE _gtSave(USHORT top, USHORT left,
                       USHORT bottom, USHORT right, FARP buff);

extern ERRCODE _gtRest(USHORT top, USHORT left,
                       USHORT bottom, USHORT right, FARP buff);


/*
*
*  Length for _gtGetColorStr() strings
*
*/
#define CLR_STRLEN            64


/*
*
*  Box drawing characters
*
*/
#define _B_SINGLE          "ÚÄ¿³ÙÄÀ³"
#define _B_DOUBLE          "ÉÍ»º¼ÍȺ"
#define _B_SINGLE_DOUBLE	"ÖÄ·º½ÄÓº"
#define _B_DOUBLE_SINGLE	"Õ͸³¾ÍÔ³"


#define _GT_API
#endif