/**********************************************************************

 *<

	FILE: notify.h



	DESCRIPTION: Include file for event notification support



	CREATED BY: Tom Hudson



	HISTORY: Created 8 April 1995



 *>	Copyright (c) 1995, All Rights Reserved.

 **********************************************************************/



#ifndef _NOTIFY_H_



#define _NOTIFY_H_



// Pre-defined Jaguar system notification codes



#define NOTIFY_UNITS_CHANGE			0x00000001

#define NOTIFY_TIMEUNITS_CHANGE	 	0x00000002

#define NOTIFY_VIEWPORT_CHANGE	 	0x00000003

#define NOTIFY_SPACEMODE_CHANGE	 	0x00000004



// Notification information structure -- Passed to NOTIFYPROC to inform it what

// it's being notified about...

typedef struct {

	int intcode;		// Zero if user code

	} NotifyInfo;



// The notification callback function

typedef void (* NOTIFYPROC)(void *param, NotifyInfo *info);



// Integer versions -- For pre-defined Jaguar codes

int CoreExport RegisterNotification(NOTIFYPROC proc, void *param, int code);

int CoreExport UnRegisterNotification(NOTIFYPROC proc, void *param, int code);

void CoreExport BroadcastNotification(int code);



// Unregister a callback from all codes

int CoreExport UnRegisterNotification(NOTIFYPROC proc, void *param);



#endif // _NOTIFY_H_