Width + leftPadding + rightPadding)
    implicitHeight: Math.max(implicitBackgroundHeight + topInset + bottomInset,
                             contentHeight + topPadding + bottomPadding)

    topPadding: control.edge === Qt.BottomEdge
    leftPadding: control.edge === Qt.RightEdge
    rightPadding: control.edge === Qt.LeftEdge
    bottomPadding: control.edge === Qt.TopEdge

    enter: Transition { SmoothedAnimation { velocity: 5 } }
    exit: Transition { SmoothedAnimation { velocity: 5 } }

    background: Rectangle {
        color: control.palette.window
        Rectangle {
            readonly property bool horizontal: control.edge === Qt.LeftEdge || control.edge === Qt.RightEdge
            width: horizontal ? 1 : parent.width
            height: horizontal ? parent.height : 1
            color: control.palette.dark
            x: control.edge === Qt.LeftEdge ? parent.width - 1 : 0
            y: control.edge === Qt.TopEdge ? parent.height - 1 : 0
        }
    }

    T.Overlay.modal: Rectangle {
        color: Color.transparent(control.palette.shadow, 0.5)
    }

    T.Overlay.modeless: Rectangle {
        color: Color.transparent(control.palette.shadow, 0.12)
    }
}