QtQuick 2.0 list of buttons with onClicked handlers

PanelButton.qml

import QtQuick 2.0

Rectangle {
    anchors.left: parent.left
    anchors.right: parent.right
    height: 20
    radius: 10
    border.width: 1
    property string title
    color: "lightgray"

    Text {
        text: title
        anchors.centerIn: parent
    }
    MouseArea {
        anchors.fill: parent
        onClicked: parent.clicked()
    }

    signal clicked()
}

test2.qml

import QtQuick 2.0

Rectangle {
    width: 800
    height: 600
    Column {
        x: 0; y:0
        width: 200; height: 400
        spacing: 3
        PanelButton {
            id: button1
            title: "push1"
            onClicked: console.log("button 1 clicked")
        }
        PanelButton {
            id: button2
            title: "push2"
            onClicked: console.log("button 2 clicked")
        }
        PanelButton {
            id: button3
            title: "push3"
            onClicked: console.log("button 3 clicked")
        }
        PanelButton {
            id: button4
            title: "push4"
            onClicked: console.log("button 4 clicked")
        }
    }
}