import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class MyGUI extends JFrame {

	MyPanel p;
	
	public MyGUI() {
	
		setTitle("RMI Lab - 08020377");
		
		p = new MyPanel();
		p.addKeyListener(new KeyHandler());
		p.setFocusable(true);
		
		getContentPane().add(p);
		
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		
		setSize(500,200);
		setVisible(true);

	}
	
	public class KeyHandler extends KeyAdapter {
		
		public void KeyPressed( KeyEvent ke ) {
			
			JOptionPane.showMessageDialog(null, "Hey");
			if( ke.getKeyCode() == KeyEvent.VK_LEFT ) {
				p.moveLeft();
				p.repaint();
			}
			else if( ke.getKeyCode() == KeyEvent.VK_RIGHT ) {
				p.moveRight();
				p.repaint();
			}
			
		}
	}
	
	public class MyPanel extends JPanel {

		int x;
		int y;
		
		public MyPanel() {
		
			x = 10;
			y = 40;
			
		}
		
		public void paintComponent( Graphics g ) {
			super.paintComponent(g);
			g.setColor(Color.RED);
			g.fillRect(x, y, 75, 25);
		}
		
		public boolean moveLeft() {
			if( x > 0 ) {
				x -= 10;
				return true;
			}
			return false;
		}
		
		public boolean moveRight() {
			if( x < 200 ) {
				x += 10;
				return true;
			}
			return false;
		}
		
	}
}