/*
                   Curses Library Wrapper Functions
 */

#ifndef CURSESW_H
#define CURSESW_H


#include <curses.h>

#include "curseswkeymap.h"


/*
 *	Type equvilents:
 */
#define Window	unsigned long

/*
 *	Resource ID null value.
 */
#define None	0


/*
 *	Default sizes of root window (when size is not available):
 */
#define DefaultRootWidth	80
#define DefaultRootHeight	20

/*
 *	CEvent type codes:
 */
#define CNoEvent	0
#define CKeyPress	1
#define CKeyRelease	2


/*
 *	Key code to ASCII map values structure:
 *
 *	See the CDisplay structure on how this structure
 *	is to be used.
 */
typedef struct {

	int key;	/* Curses' key value. */

} CASCIIKeymapValue;

/*
 *	Display structure:
 *
 *	This structure represents the connection to the curses
 *	library.
 */
typedef struct {

	/* Root window. */
	Window root_win;

	/* Size of root window, this can change so calling
	 * functions should NOT use these values!!
	 */
	unsigned int root_width, root_height;


	/* Current window cursor is on. */
	Window cursor_window;
	int cursor_x, cursor_y;

} CDisplay;


/*
 *	Key event structure:
 */
typedef struct {

	int key;	/* ASCII value of key. */

} CEventKey;

/*
 *	Event structure:
 */
typedef struct {

	int type;

	CEventKey	ckey;

} CEvent;




extern CDisplay *CWInit(int argc, char *argv[]);
extern void CWShutdown(CDisplay *display);

extern Window CWCreateWindow(
	CDisplay *display,
	Window parent,
	int x, int y,
	unsigned int width, unsigned int height
);

extern unsigned int CWRootWidth(CDisplay *display);
extern unsigned int CWRootHeight(CDisplay *display);

extern void CWMoveCursor(
	CDisplay *display,
        Window w,
	int x, int y
);

extern void CWDrawCharacter(
        CDisplay *display,
        Window w,   
        int x, int y,
        char c
);
extern void CWDrawString(
	CDisplay *display,
	Window w,
	char *string
);
extern void CWDrawStringPosition(
	CDisplay *display,
	Window w,
	int x, int y,
        char *string
);
extern void CWDrawStringPositionLimited(
        CDisplay *display,
        Window w,
        int x, int y,
        char *string,
        int limit
);
extern void CWClearArea(
	CDisplay *display,
	Window w,
	int x, int y,
	unsigned int width, unsigned int height
);

extern int CGetNextEvent(
        CDisplay *display,
        CEvent *event
);

extern void CWSync(
        CDisplay *display,
        unsigned int options
);


#endif	/* CURSESW_H */