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import QtQuick 2.4

Item {
    id: gadget

    width: 240
    height: 240

    property bool green: true

    SequentialAnimation {
        running: true
        loops: -1
        PropertyAnimation {

            target: glow
            from: 0.96
            to: 0.94
            property: "scale"
            duration: 600
        }
        PropertyAnimation {
            target: glow
            from: 0.94
            to: 0.96
            property: "scale"
            duration: 600
        }
    }

    Item {
        id: glow

        x: 53
        y: 52
        width: 145
        height: 145

        Image {
            id: green
            x: 0
            y: -1

            source: "image://etc/greenglow.png"
        }

        Image {
            id: red
            x: -1
            y: 0

            source: "image://etc/redglow.png"
        }
    }

    Image {
        id: knob
        x: 68
        y: 65
        source: "image://etc/knob.png"
    }
    states: [
        State {
            name: "red"
            when: !gadget.green
        },
        State {
            name: "green"
            when: gadget.green

            PropertyChanges {
                target: red
                opacity: 0
            }
        }
    ]
}
