1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
   | //Fenetre.java 
 
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
 
 
public class fenetre extends JFrame implements FocusListener{
 
 
	private JTextField t = new JTextField(10); 
 
 
	    public fenetre()
	    {
	    	Container c = getContentPane();
	    	c.setLayout(new FlowLayout());
	    	c.add(t);
	    	setTitle("Ma fenetre");
			setSize(400,400);
			setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
			t.addFocusListener(this);
			setVisible(true);
	    }
 
 
		public void focusGained(FocusEvent e) {
			t.setText("");
 
		}
 
 
		public void focusLost(FocusEvent e) {
			t.setForeground(Color.gray.brighter());
			t.setText("Recherche");
		}
 
} | 
Partager