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import Qt 4.7

Item {

    id: scrollBar

    // The properties that define the scrollbar's state.

    // position and pageSize are in the range 0.0 - 1.0.  They are relative to the

    // height of the page, i.e. a pageSize of 0.5 means that you can see 50%

    // of the height of the view.

    // orientation can be either Qt.Vertical or Qt.Horizontal

    property real position

    property real pageSize

    property variant orientation : Qt.Vertical

    // A light, semi-transparent background

    Rectangle {

        id: background

        anchors.fill: parent

        radius: orientation == Qt.Vertical ? (width/2 - 1) : (height/2 - 1)

        color: "white"

        opacity: 0.3

    }

    // Size the bar to the required size, depending upon the orientation.

    Rectangle {

        x: orientation == Qt.Vertical ? 1 : (scrollBar.position * (scrollBar.width-2) + 1)

        y: orientation == Qt.Vertical ? (scrollBar.position * (scrollBar.height-2) + 1) : 1

        width: orientation == Qt.Vertical ? (parent.width-2) : (scrollBar.pageSize * (scrollBar.width-2))

        height: orientation == Qt.Vertical ? (scrollBar.pageSize * (scrollBar.height-2)) : (parent.height-2)

        radius: orientation == Qt.Vertical ? (width/2 - 1) : (height/2 - 1)

        color: "black"

        opacity: 0.7

    }

}