import javax.sound.midi.*;
import javax.swing.*;
import java.awt.event.*;
public class OmaPill extends JPanel implements MouseListener{
   Synthesizer syntesaator;
   MidiChannel kanal;
   int valjus=70;
   int minkorgus=40;
   int maxkorgus=100;
   int noot1;
   public OmaPill(){
     try{
        syntesaator=MidiSystem.getSynthesizer();
        syntesaator.open();
        kanal=syntesaator.getChannels()[0];
        addMouseListener(this);
     }catch(Exception ex){ex.printStackTrace();}
   }
   public void mousePressed(MouseEvent e){
      int yvahe=getHeight()/(maxkorgus-minkorgus);
      noot1=minkorgus+e.getY()/yvahe;
      kanal.noteOn(noot1, valjus);
      /*
        Muutke nõnda, et hiirele ülalapool vastaks kõrgem heli
        Korraga kõlab kaks heli, teine sõltub x-koordinaadist
      */
   }
   public void mouseReleased(MouseEvent e){
      kanal.noteOff(noot1);
   }
   public void mouseClicked(MouseEvent e){}
   public void mouseEntered(MouseEvent e){}
   public void mouseExited(MouseEvent e){}
   public static void main(String[] arg){
      JFrame f=new JFrame("Pill");
      f.add(new OmaPill());
      f.setSize(300, 300);
      f.setVisible(true);
   }
}