rtmidi/tests/launchpad.cpp

#include <iostream>
#include <cstdlib>
#include "RtMidi.h"
#include "MidiMessage.h"
#include "Launchpad.h"

// Platform-dependent sleep routines.
#if defined(__WINDOWS_MM__)
  #include <windows.h>
  #define SLEEP( milliseconds ) Sleep( (DWORD) milliseconds ) 
#else // Unix variants
  #include <unistd.h>
  #define SLEEP( milliseconds ) usleep( (unsigned long) (milliseconds * 1000.0) )
#endif

Launchpad l;

void keyPressed(unsigned char x, unsigned char y, void* data)
{
    std::cout << "(" << (int)x << ", " << (int)y << ")" << std::endl;

    l.setColor(x, y, LaunchpadColor(3, 3));
}

int main()
{
    l.keyPressedCallback = keyPressed;

    l.setColorAll(LaunchpadColor(0, 1));

    while(true) 
    {
        SLEEP(1);
    }

    return 0;
}