opciones.java

// COMPORTAMIENTO ELASTICO DE LOS COMPONENTES
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
//Leonardo Ramirez Ortiz ( OCT - 21 - 2010 )

class opciones extends JFrame
{
	Panel principal;
	JFrame	ventana1 = new JFrame("Ventana Principal");
	JFrame	ventana2;
	
	public static void main(String R[]) { new opciones(); }

	public opciones()
	{
		this.setBounds(50, 50, 900, 500);
		this.setVisible(true);
		this.setLayout(null);
		//this.add(principal);
		ventana2 = new JFrame("Ventana Chikita");
		principal = new Panel(ventana2);
		this.add(principal);

		principal.setBounds(0,0,900, 500);
		principal.setBackground(Color.gray);
		principal.setVisible(true);

		ventana2.setBounds(1000, 50, 200, 200);
		ventana2.setBackground(Color.green);
		ventana2.setVisible(true);
	}

	protected void processWindowEvent(WindowEvent e)
        { if (e.getID() == WindowEvent.WINDOW_CLOSING) System.exit(0); }

}

class Panel extends JPanel 
{
	RCanvas area;
	JButton boton;
	JRadioButton op1,op2,op3;
	ButtonGroup grupo;
	JScrollBar barra;
	JFrame ventana8 ;


	public Panel( JFrame ventana8 )
	{
		setLayout(null);

		this.ventana8 = ventana8;
		boton = new JButton("resize");
		add(boton);
		boton.setBounds(150,300,80,25);

		
		op1 = new JRadioButton("Boton");
		add(op1);
		op1.setBounds(50,50,100,50);
		//op1.addActionListener(new evento1() );
	
	
		op2 = new JRadioButton("Ventana");
		add(op2);
		op2.setBounds(50,100,100,50);	
		//op2.addActionListener(new evento2() );
	
		op3 = new JRadioButton("Circulo");
		add(op3);
		op3.setBounds(50,150,100,50);
		//op3.addActionListener(new evento3() );

		barra = new JScrollBar(JScrollBar.HORIZONTAL,0,1,0,100);
		add(barra);
		barra.setBounds(0,425,900,50);	
		barra.addAdjustmentListener( new SCROLL() );
	
		area = new RCanvas();
		add(area);
		area.setBackground(Color.cyan);
		area.setBounds(450,150,450,300);


		grupo = new ButtonGroup();
		grupo.add(op1);
		grupo.add(op2);
		grupo.add(op3);		

	}

	class SCROLL implements AdjustmentListener
	{
		public void adjustmentValueChanged(AdjustmentEvent e)
		{
			if ( op1.isSelected() ) boton.setSize(new Dimension(80+e.getValue(), 25));
			if ( op2.isSelected() ) ventana8.setSize(200+e.getValue(), 200);
			if ( op3.isSelected() ) { area.R = e.getValue(); area.repaint(); }
		}
	}
}

class RCanvas extends Canvas
{
	int R = 50;
	public RCanvas()
	{
		setBackground(Color.cyan);
		setBounds(450,150,450,300);
	}

	public void paint(Graphics G)
	{
		G.drawOval(200, 200, R, R);
	}
}