import QtQuick 2.1
Rectangle {
width: 100; height: 100
color: "green"
MouseArea {
anchors.fill: parent
acceptedButtons: Qt.LeftButton | Qt.RightButton
onClicked: {
if (mouse.button == Qt.RightButton)
parent.color = 'green';
else
parent.color = 'red';
}
}
}