import java.applet.Applet;
import java.awt.event.*;
import java.awt.*;
import javax.sound.midi.*;
public class Klaver extends Applet implements KeyListener, MouseListener{
 MidiChannel kanal;
  
   public Klaver(){
    	addKeyListener(this);
    	addMouseListener(this);
	    try{
	   Synthesizer synthesizer=MidiSystem.getSynthesizer();
	 	synthesizer.open();
     kanal=synthesizer.getChannels()[0];}
     catch (Exception viga){}

 
  	 }

     public void mangi(int noot){
     	   try{  
			kanal.noteOn(noot, 127);
			Thread.sleep(100);
			kanal.noteOff(noot);			   
	  	   }catch(Exception w){};
     }
     public void mousePressed(MouseEvent e){
				  	int x=((int)(e.getX()/25));
	  			 	int y=((int)(e.getY()/25));
	  			 	int noot=0;
	  			 	if (y>3 & y<8 & x>3 & x<16){
	  			 	     switch(x){
       						case  4: noot=55; break;
       						case  5: noot=56; break;
       						case  6: noot=57;  break;
       						case  7: noot=58;  break;
       						case  8: noot=59;  break;
       						case  9: noot=60;  break;
       						case  10: noot=61;  break;
       						case  11: noot=62;  break;
       						case  12: noot=63;  break;
       						case  13: noot=64;  break;
       						case  14: noot=65;  break;
       						case  15: noot=66;  break;
    					}
	  			 	mangi(noot);}
	  			 	System.out.println(x+" "+y);
	   }
	   public void mouseReleased(MouseEvent e){}
  	   public void mouseClicked(MouseEvent e){}
  	   public void mouseEntered(MouseEvent e){}
  	   public void mouseExited(MouseEvent e){}	
  	   
  	   public  void paint (Graphics g){
  	   	for (int f=0;f<12;f++){
  	   	g.drawRect(100+f*25,100,25,100);
  	   	switch(f){
       						case  1: g.setColor(Color.black);g.fillRect(100+f*25,100,25,100); break;
       						case  3: g.setColor(Color.black);g.fillRect(100+f*25,100,25,100); break;
       						case  6: g.setColor(Color.black);g.fillRect(100+f*25,100,25,100); break;
       						case  8: g.setColor(Color.black);g.fillRect(100+f*25,100,25,100); break;
							case  10: g.setColor(Color.black);g.fillRect(100+f*25,100,25,100); break;       					
    					} 
  	   	}
  	   }	   	 	
  	
  public void keyPressed(KeyEvent e){
    int kood=e.getKeyCode();
    try{  
	 
    kanal.noteOn(kood, 127);
    Thread.sleep(100);
    kanal.noteOff(kood);}
    catch(Exception w){}


    System.out.println(kood+"");
    }
    public void keyReleased(KeyEvent e){}
    public void keyTyped(KeyEvent e){}

    
public static void main(String argumendid[]) throws Exception{
	Frame f=new Frame("Klaver");
	f.setSize(700, 600);
	f.add(new Klaver());
	f.setVisible(true);
	f.addWindowListener(new Kinni());
	 }
}

class Kinni extends WindowAdapter{
	public void windowClosing(WindowEvent e){
		System.exit(0);
	}
}