Qt Reference Documentation

ScrollBar.qml Example File

declarative/ui-components/scrollbar/ScrollBar.qml
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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
     }
 }
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