#ifndef __MIDIDATA_H__
#define __MIDIDATA_H__

/*
 * $Id: MidiData.h,v 1.3 1999/03/30 17:13:06 baron Exp baron $
 *
 * Base Class
 *
 */

#include <ListItem.h>
#include <String.h>

class MidiData: public BListItem
{
public:
				MidiData(int event_kind = -1);
virtual			~MidiData();

float 	GetTime(void) const;
int  	GetChannel(void) const;
int		GetKind(void) const;
long	GetValue() const;

void 	SetTime(float);
void 	SetChannel(int);
void	SetKind(int);
void	SetValue(long);

virtual bool	Edit(void) = 0;	// returns true if changed
virtual void 	DrawItem(BView *owner, BRect frame, bool complete);
private:

	float time;	//time of the event
	int channel;
	int kind;
	
	long value;
};


class Note: public MidiData
{
public:
	Note();
	~Note();

	void SetOnVelocity(int);
	void SetOffVelocity(int);
	void SetNote(int);
	void SetNoteLength(float);

	int  GetOnVelocity(void) const;
	int  GetOffVelocity(void) const;
	int  GetNote(void) const;
	float  GetNoteLength(void) const;

virtual bool Edit(void);
virtual void DrawItem(BView *owner, BRect frame, bool complete);
private:
	int  OnVelocity;
	int  OffVelocity;
	int  note;		//the actual note
	float length;	//length of note
};

class Text: public MidiData
{
public:
	Text();
	~Text();

void	SetText(const BString&);
const char *GetText(void) const;

void	SetType(int);
int		GetType(void) const;

virtual void DrawItem(BView *owner, BRect frame, bool complete);
virtual bool Edit(void);

private:
BString txt;
int type;
};

class Tempo: public MidiData
{
public:
	Tempo();
	~Tempo();
	
virtual void DrawItem(BView *owner, BRect frame, bool complete);
virtual bool Edit(void) {return false;};

private:
};

class ProgramChange: public MidiData
{
public:
	ProgramChange();
	~ProgramChange();

virtual void DrawItem(BView *owner, BRect frame, bool complete);
virtual bool Edit(void) {return false;};
private:	
};

class PitchBend: public MidiData
{
public:
	PitchBend();
	~PitchBend();

virtual void DrawItem(BView *owner, BRect frame, bool complete);
virtual bool Edit(void) {return false;};
};

class KeySignature: public MidiData
{
public:
	KeySignature();
	~KeySignature();
	
bool	GetMinor() const;
int		GetKey() const;

void	SetMinor(bool);
void	SetKey(int);
virtual void DrawItem(BView *owner, BRect frame, bool complete);
virtual bool Edit(void) {return false;};
private:
bool minor;
int key;
};


class ControlChange: public MidiData
{
public:
	ControlChange();
	~ControlChange();
	
void SetController(int);
int GetController(void) const;

virtual void DrawItem(BView *owner, BRect frame, bool complete);
virtual bool Edit(void) {return false;};
	
private:
int controller;
};

class TimeSig: public MidiData
{
public:

	TimeSig();
	~TimeSig();
	
int	GetNumerator(void) const;
int GetDenominator(void) const;
int GetClock(void) const;
int GetClick(void) const;

void SetNumerator(int);
void SetDenominator(int);
void SetClick(int);
void SetClock(int);

virtual void DrawItem(BView *owner, BRect frame, bool complete);
virtual bool Edit(void) {return false;};

private:
	int num;
	int den;
	int clock;
	int click;

};

#endif