sliding number

gistfile1.qml

    Rectangle
    {
        color: "transparent"
        height: Theme.itemSizeMedium
        width: parent.width

        Label
        {
            width: 80
            id: bb
            x: (polyEdges - 3)*(ma.drag.maximumX/10) + ma.drag.minimumX
            text: 3 + Math.floor( 10*x /(ma.drag.maximumX ))
            anchors.verticalCenter: parent.verticalCenter
            onXChanged: console.log("x: " + x + " text: " + text)
            onTextChanged: polyEdges = text

            MouseArea
            {
                id: ma
                anchors.fill: parent
                drag.target: bb
                drag.axis: Drag.XAxis
                drag.minimumX: Theme.paddingLarge
                drag.maximumX: geometryPopup.width - Theme.paddingLarge - bb.width
                onReleased: bb.x = (polyEdges - 3)*(ma.drag.maximumX/10) + ma.drag.minimumX
            }
        }
    }