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

public class Attente extends JPanel implements WindowListener{

	boolean plan = false;

	public Attente() {
    	super();
    }

	protected void paintComponent(Graphics pinceau) {
    // obligatoire : on cree un nouveau pinceau pour pouvoir le modifier plus tard
    Graphics pinceau2 = pinceau.create();
    	if (this.isOpaque()) {
      	// obligatoire : on repeint toute la surface avec la couleur de fond
      	pinceau2.setColor(Color.GREEN);
      	pinceau2.fillRect(0, 0, this.getWidth(), this.getHeight());
    	} if (this.plan==true){
    		pinceau2.setColor(Color.GREEN);
      		pinceau2.fillRect(0, 0, this.getWidth(), this.getHeight());
      		pinceau2.setColor(Color.MAGENTA);
      		pinceau2.fillOval(0, 0, this.getWidth(), this.getHeight());
    	} else{
    		pinceau2.setColor(Color.GREEN);
      		pinceau2.fillRect(0, 0, this.getWidth(), this.getHeight());
      		pinceau2.setColor(Color.MAGENTA);
      		int[] x={0,this.getWidth()/2,this.getWidth(),this.getWidth()/2};
			int[] y={this.getHeight()/2,0,this.getHeight()/2,this.getHeight()};
			pinceau2.drawPolygon(x,y,x.length);
			pinceau2.fillPolygon(x,y,x.length);
    }
}

    public void windowDeactivated(WindowEvent evenement){
    	this.plan=false;
    	this.repaint();
    }

    public void windowActivated(WindowEvent evenement){
    	this.plan=true;
    	this.repaint();

    }

	public void windowClosed(WindowEvent evenement){
    }

    public void windowClosing(WindowEvent evenement){
    }

    public void windowDeiconified(WindowEvent evenement){
    }

    public void windowIconified(WindowEvent evenement){
    }

    public void windowOpened(WindowEvent evenement){
    }
}