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| import java.awt.Color;
import java.awt.Font;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JButton;
import javax.swing.JFrame;
public class Test {
public static void main(String[] args) {
final JButton btn = new JButton("Clear");
final Font fontDefaut = btn.getFont();
final Font fontEntered = new Font(Font.DIALOG, Font.ITALIC, 10);
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
btn.addMouseListener(new MouseListener() {
@Override
public void mouseClicked(MouseEvent e) { }
@Override
public void mouseEntered(MouseEvent e) {
btn.setBackground(Color.RED);
btn.setFont(fontEntered);
}
@Override
public void mouseExited(MouseEvent e) {
btn.setBackground(null); // défaut
btn.setFont(fontDefaut);
}
@Override
public void mousePressed(MouseEvent e) { }
@Override
public void mouseReleased(MouseEvent e) { }
});
f.add(btn);
f.pack();
f.setVisible(true);
}
} |
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