Qt Reference Documentation

# ScrollBar.qml Example File

demos/declarative/flickr/qml/flickr/common/ScrollBar.qml

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     import QtQuick 1.0

     Item {
         id: container

         property variant flickableArea

         Rectangle {
             radius: 5
             color: "black"
             opacity: 0.3
             border.color: "white"
             border.width: 2
             x: 0
             y: flickableArea.visibleArea.yPosition * container.height
             width: parent.width
             height: flickableArea.visibleArea.heightRatio * container.height
         }
         states: [
             State {
                 name: "show"
                 when: flickableArea.movingVertically
                 PropertyChanges {
                     target: container
                     opacity: 1
                 }
             }
         ]
         transitions: [
             Transition {
                 from: "*"
                 to: "*"
                 NumberAnimation {
                     target: container
                     properties: "opacity"
                     duration: 400
                 }
             }
         ]
     }