import Qt 4.7

Item {

    id: root; objectName: "root"

    width: 200; height: 200

    Item { id: itemA; objectName: "itemA"; x: 50; y: 50 }

    Item {

        x: 50; y: 50

        Item { id: itemB; objectName: "itemB"; x: 100; y: 100 }

    }

    function mapAToB(x, y) {

        var pos = itemA.mapToItem(itemB, x, y)

        return Qt.point(pos.x, pos.y)

    }

    function mapAFromB(x, y) {

        var pos = itemA.mapFromItem(itemB, x, y)

        return Qt.point(pos.x, pos.y)

    }

    function mapAToNull(x, y) {

        var pos = itemA.mapToItem(null, x, y)

        return Qt.point(pos.x, pos.y)

    }

    function mapAFromNull(x, y) {

        var pos = itemA.mapFromItem(null, x, y)

        return Qt.point(pos.x, pos.y)

    }

    function checkMapAToInvalid(x, y) {

        var pos = itemA.mapToItem(1122, x, y)

        return pos.x == undefined && pos.y == undefined

    }

    function checkMapAFromInvalid(x, y) {

        var pos = itemA.mapFromItem(1122, x, y)

        return pos.x == undefined && pos.y == undefined

    }

}