/** Returns the ButtonListener for the passed in Button, or null if one could not be found. */
private BasicButtonListener getButtonListener(AbstractButton b) {
MouseMotionListener[] listeners = b.getMouseMotionListeners();
if (listeners != null) {
for (int counter = 0; counter < listeners.length; counter++) {
if (listeners[counter] instanceof BasicButtonListener) {
return (BasicButtonListener) listeners[counter];
}
}
}
return null;
}
