Qt 4.8: main.qml Example File (declarative/ui-components/scrollbar/qml/scrollbar/main.qml)

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# main.qml Example File

declarative/ui-components/scrollbar/qml/scrollbar/main.qml

     /****************************************************************************
     **
     ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
     ** Contact: http://www.qt-project.org/legal
     **
     ** This file is part of the examples of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
     ** You may use this file under the terms of the BSD license as follows:
     **
     ** "Redistribution and use in source and binary forms, with or without
     ** modification, are permitted provided that the following conditions are
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     **   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
     **     of its contributors may be used to endorse or promote products derived
     **     from this software without specific prior written permission.
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     import QtQuick 1.0

     Rectangle {
         width: 640
         height: 480

         // Create a flickable to view a large image.
         Flickable {
             id: view
             anchors.fill: parent
             contentWidth: picture.width
             contentHeight: picture.height

             Image {
                 id: picture
                 source: "niagara_falls.jpg"
                 asynchronous: true
             }

             // Only show the scrollbars when the view is moving.
             states: State {
                 name: "ShowBars"
                 when: view.movingVertically || view.movingHorizontally
                 PropertyChanges { target: verticalScrollBar; opacity: 1 }
                 PropertyChanges { target: horizontalScrollBar; opacity: 1 }
             }

             transitions: Transition {
                 NumberAnimation { properties: "opacity"; duration: 400 }
             }
         }

         // Attach scrollbars to the right and bottom edges of the view.
         ScrollBar {
             id: verticalScrollBar
             width: 12; height: view.height-12
             anchors.right: view.right
             opacity: 0
             orientation: Qt.Vertical
             position: view.visibleArea.yPosition
             pageSize: view.visibleArea.heightRatio
         }

         ScrollBar {
             id: horizontalScrollBar
             width: view.width-12; height: 12
             anchors.bottom: view.bottom
             opacity: 0
             orientation: Qt.Horizontal
             position: view.visibleArea.xPosition
             pageSize: view.visibleArea.widthRatio
         }
     }