ColorComboBoxRenderer.java 文件源码

@Override
public Component getListCellRendererComponent (
    JList<? extends ColorValue>
                list,
    ColorValue  value,
    int         index,
    boolean     isSelected,
    boolean     cellHasFocus
) {
    this.value = value;
    setEnabled (list.isEnabled ());
    setBackground (isSelected ? 
        SystemColor.textHighlight : SystemColor.text
        //Color.RED
    );
    setForeground (isSelected ? 
        SystemColor.textHighlightText : SystemColor.textText
    );
    return this;
}