/**
* Installs the necessary Listeners on the parent <code>Window</code>, if there is one.
*
* <p>This takes the parent so that cleanup can be done from <code>removeNotify</code>, at which
* point the parent hasn't been reset yet.
*
* @param parent The parent of the JRootPane
*/
private void installWindowListeners(JRootPane root, Component parent) {
if (parent instanceof Window) {
window = (Window) parent;
} else {
window = SwingUtilities.getWindowAncestor(parent);
}
if (window != null) {
if (mouseInputListener == null) {
mouseInputListener = createWindowMouseInputListener(root);
}
window.addMouseListener(mouseInputListener);
window.addMouseMotionListener(mouseInputListener);
}
}
