import java.awt.*;
import java.awt.event.*;
import javax.sound.midi.*;
import java.applet.Applet;

public class Mandoliin extends Applet{
  MidiChannel kanal;
  int valjus=65;
  int korgus=60; //C
  


  public void paint(Graphics g){
       g.setColor(new Color(100, 200, 100));

       g.setColor(Color.black);

       g.drawLine(130, 60, 350, 60);	
       g.drawLine(130, 100, 350, 100);
       g.drawLine(130, 60, 130, 100);

       g.drawOval(345, 35, 90, 90);

  int i=64;
  
    for(int a=0; a<4; a++)
    {
    g.drawLine(135, i, 375, i);
    i=i+10;
    
    }

  int o=140;
  
    for(int a=0; a<8; a++)
    {
    g.drawLine(o, 60, o, 100);
    o=o+30;
    
    }
  }

 
  
  
  public Mandoliin(){
   try{
    addMouseListener(new HiireKuular());    
    Synthesizer synthesizer=MidiSystem.getSynthesizer();
    synthesizer.open();
    kanal=synthesizer.getChannels()[0]; //kanal 0;
   }catch(Exception viga){
      System.out.println(viga);
   }
  }
  class HiireKuular extends MouseAdapter{

    public void mousePressed(MouseEvent e){

    if(e.getX()>140 && e.getX()<355)
{

     if(e.getY()>60 && e.getY()<70) 
{
      korgus=76+(e.getX()-155+15)/30-1;
      kanal.noteOn(korgus, valjus);
     
     }
  if(e.getY()>70 && e.getY()<80)

{
      korgus=69+(e.getX()-155+15)/30-1;
      kanal.noteOn(korgus, valjus);
     
     }
  if(e.getY()>80 && e.getY()<90)

{
      korgus=62+(e.getX()-155+15)/30-1;
      kanal.noteOn(korgus, valjus);
     
     }
  if(e.getY()>90 && e.getY()<100)

{
      korgus=55+(e.getX()-155+15)/30-1;
      kanal.noteOn(korgus, valjus);
     
}     

}

    }

    public void mouseReleased(MouseEvent e){
      kanal.noteOff(korgus);
     
    }
  }
  public static void main(String argumendid[]){
    Frame f=new Frame("Vajuta hiirega");
    f.setSize(700, 500);
    f.add(new Mandoliin());
    f.setVisible(true);
  }
}