UIUtils.java 文件源码

public static void keepFocusedComponentVisible(Component component, JComponent container) {
    FocusListener listener;
    if(component instanceof JComponent ) {
        listener = getNotShowingFieldsFocusListener(container);
    } else {
        listener = getScrollingFocusListener(); // legacy fallback
    }
    keepFocusedComponentVisible(component, listener);
}