ListView{
        id:list
        height: 100
        width: 100
        clip: true
        spacing: 10
        model: 10
        delegate:Item{
            height: 30
            width: list.width
            ListView{
                orientation: ListView.Horizontal
                model: 10
                spacing: 10
                anchors.fill: parent
                delegate: Rectangle{
                    height: 30
                    width:30
                    color: "black"
                }
            }
        }
    }