nColor(handle.palette, handle.visualFocus,
                handle.pressed, handle.enabled && handle.hovered))
        }
    }
    rotation: handle.vertical ? -90 : 0
    border.width: 1
    border.color: "transparent"
    radius: 2

    Rectangle {
        width: parent.width
        height: parent.height
        border.color: handle.visualFocus ? Fusion.highlightedOutline(handle.palette) : Fusion.outline(handle.palette)
        color: "transparent"
        radius: 2

        Rectangle {
            x: 1; y: 1
            width: parent.width - 2
            height: parent.height - 2
            border.color: Fusion.innerContrastLine
            color: "transparent"
            radius: 2
        }
    }
}