Qt Reference Documentation

# ScrollBar.qml Example File

declarative/ui-components/scrollbar/ScrollBar.qml

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     import QtQuick 1.0

     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
         }
     }