- Qt 5.5
- Qt Quick
- UI Components: Scroll Bar Example
- main.qml Example File
- Qt 5.5.1 Reference Documentation

# main.qml Example File

customitems/scrollbar/main.qml

    /****************************************************************************
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    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
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    ** This file is part of the examples of the Qt Toolkit.
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    import QtQuick 2.0

    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: "pics/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
        }
    }