rtmidi/Launchpad.h

#pragma once
#include "Input.h"
#include "Output.h"
#include "LaunchpadColor.h"
#include <string>
#include <utility>
#include <atomic>

namespace midi {

class Launchpad
{
public:
    typedef unsigned char KeyCoordinate;
	typedef void (*KeyEventCallback)(unsigned char x, unsigned char y, void* data);

	static const unsigned char width = 9;
	static const unsigned char height = 9;

private:
	LaunchpadColor colors[width][height];
	bool colorSet[width][height];
    std::atomic<bool> keyBeingPressed[width][height];

protected:
	Input midiin;
	Output midiout;

public:
	KeyEventCallback keyPressedCallback;
	KeyEventCallback keyReleasedCallback;
    void* keyEventCallbackData;

	Launchpad(const std::string clientName = std::string("RtMidi Launchpad"));

	bool issetColor(unsigned char x, unsigned char y) const;
	const LaunchpadColor& getColor(unsigned char x, unsigned char y) const;
	void setColor(unsigned char x, unsigned char y, const LaunchpadColor& color);
	void setColorAll(const LaunchpadColor& color);
    bool getKeyPressed(KeyCoordinate x, KeyCoordinate y);

protected:
	void keyPressed(unsigned char x, unsigned char y);
	void keyReleased(unsigned char x, unsigned char y);

private:
	static void midiMessageCallback(double timeStamp, Message &message, void *launchpad);
    void setKeyPressed(KeyCoordinate x, KeyCoordinate y, bool pressed);
};

class LaunchpadNotFoundError : public std::runtime_error
{
    typedef std::runtime_error parent;

public:
    LaunchpadNotFoundError(const char* message);
};

};