UIUtils.java 文件源码

public static void ensureMinimumSize(Component comp) {
    comp = getParentWindow(comp);

    if (comp != null) {
        final Component top = comp;
        top.addComponentListener(new ComponentAdapter() {
                public void componentResized(ComponentEvent e) {
                    Dimension d = top.getSize();
                    Dimension min = top.getMinimumSize();

                    if ((d.width < min.width) || (d.height < min.height)) {
                        top.setSize(Math.max(d.width, min.width), Math.max(d.height, min.height));
                    }
                }
            });
    }
}