nmmessage.h

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/* Copyright (c) 1995-1997, Altura Software, Inc. All rights reserved.  */

#if !defined( _NMMESSAGE_H_ )
#define _NMMESSAGE_H_

#if !defined( __TYPES__ )
#include <sys/Types.h>
#endif

#if !defined ( __MIXEDMODE__ )
#include <MixedMode.h>
#endif

typedef unsigned long NMMessageHandler;

#define NM_INVALID_HANDLER (NMMessageHandler)(0)

typedef pascal unsigned long (*NMMessageCallbackProcPtr)( NMMessageHandler h, unsigned int msg, unsigned long wParam, unsigned long lParam );

enum
{
   uppNMMessageCallbackProcInfo = kPascalStackBased
      | RESULT_SIZE( SIZE_CODE( sizeof( unsigned long ) ) )
      | STACK_ROUTINE_PARAMETER( 1, SIZE_CODE( sizeof( NMMessageHandler ) ) )
      | STACK_ROUTINE_PARAMETER( 2, SIZE_CODE( sizeof( unsigned int ) ) )
      | STACK_ROUTINE_PARAMETER( 3, SIZE_CODE( sizeof( unsigned long ) ) )
      | STACK_ROUTINE_PARAMETER( 4, SIZE_CODE( sizeof( unsigned long ) ) )
};

/*
#if GENERATINGCFM

typedef UniversalProcPtr NMMessageCallbackUPP;

#define NewNMMessageCallbackProc(userRoutine)   \
   (NMMessageCallbackUPP) NewRoutineDescriptor((ProcPtr)(userRoutine), uppNMMessageCallbackProcInfo, GetCurrentArchitecture())

#define CallNMMessageCallbackProc(userRoutine, h, msg, wParam, lParam)  \
   CallUniversalProc((UniversalProcPtr)(userRoutine), uppNMMessageCallbackProcInfo, (h), (msg), (wParam), (lParam))

#else
*/
typedef NMMessageCallbackProcPtr NMMessageCallbackUPP;

#define NewNMMessageCallbackProc(userRoutine)   \
   ((NMMessageCallbackProcPtr) (userRoutine))

#define CallNMMessageCallbackProc(userRoutine, h, msg, wParam, lParam)  \
   (*(userRoutine))((h), (msg), (wParam), (lParam))

//#endif

#if defined( __cplusplus )
extern "C" {
#endif

pascal Boolean NMInitializeMessages( void );
pascal void NMTerminateMessages( void );

pascal NMMessageHandler NMCreateMessageHandler( NMMessageCallbackUPP callback, void *refcon, unsigned long reserved );
pascal Boolean NMDestroyMessageHandler( NMMessageHandler h, unsigned long flags );

pascal void *NMGetMessageHandlerRefCon( NMMessageHandler h );
pascal void NMSetMessageHandlerRefCon( NMMessageHandler h, void *refcon );

pascal Boolean NMPostMessage( NMMessageHandler h, unsigned int msg, unsigned long wParam, unsigned long lParam );
pascal unsigned long NMSendMessage( NMMessageHandler h, unsigned int msg, unsigned long wParam, unsigned long lParam );

pascal void NMIdle( void );

#if defined( __cplusplus )
}
#endif

#endif

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