public void mouseClicked(MouseEvent e) {
x = -1;
y = -1;
width = -1;
height = -1;
drawable.repaint();
}
public void mouseDragged(MouseEvent e) {
if (x == -1) {
return;
}
width = e.getX() - x;
height = e.getY() - y;
drawable.repaint();
}