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import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.SystemColor;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
public class Init{
public static void main(String args[]) throws ClassNotFoundException, InstantiationException, IllegalAccessException, UnsupportedLookAndFeelException{
Fenetre fen = new Fenetre();
}
}
class Fenetre extends JFrame{
private Panneau pan;
public Fenetre(){
setSize(300,300);
setTitle("test");
pan = new Panneau();
getContentPane().add(pan);
setVisible(true);
}
}
class Panneau extends JPanel implements MouseMotionListener{
private int bufferX=150,bufferY=150;
public Panneau(){
this.addMouseMotionListener(this);
}
public void paintComponent(Graphics g){
super.paintComponents(g); //normalement ici, cet appel devrait effacé le précédent dessin mais il ne le fait pas
g.setColor(Color.BLACK);
g.fillOval(bufferX, bufferY, 5, 5);
}
@Override
public void mouseDragged(MouseEvent arg0) {
System.out.println("x : "+arg0.getX() + " et y : " + arg0.getY());
bufferX=arg0.getX();
bufferY=arg0.getY();
repaint();
}
@Override
public void mouseMoved(MouseEvent arg0) {
// TODO Auto-generated method stub
}
} |
