listWidget.addItem("Red");
listWidget.addItem("Blue");
listWidget.addItem("Green");
listWidget.addItem("Cyan");
listWidget.addItem("Yellow");
listWidget.addItem("Purple");
listWidget.addItems(["Orange", "Gray"]);
listWidget.currentItemChanged.connect(
function(item)
{
listWidget.setBackgroundColor(item.text);
}
);
listWidget.show();