Button {
    id: control
    width: 48; height: 48
    property real offset: 16

    onClicked: if (!menu.opened) menu.open()
    Menu {
        id: menu
        x: control.width + control.offset
        delegate: MenuItem { }
        // Some Actions
    }

    Shape {
        id: shape
        x: control.width
        y: 0.5*control.height - 0.5*height
        width: control.offset; height: control.offset
        visible: menu.opened
        ShapePath {
            fillColor: "red"
            strokeWidth: 5
            strokeColor: "red"
            startX: 0; startY: 0.5*control.offset
            PathLine { x: control.offset; y: control.offset }
            PathLine { x: control.offset; y: 0 }
            PathLine { x: 0; y: 0.5*control.offset }
        }
    }
}