Java tutorial
import java.awt.Component; import java.awt.Container; import java.awt.Point; public class Util { public static final Component getVisibleChildAt(Container container, Point p) { for (int i = 0; i < container.getComponentCount(); i++) { Component c = container.getComponent(i); if (c.isVisible() && c.contains(p.x - c.getX(), p.y - c.getY())) return c; } return null; } }