Qt Reference Documentation

# ParallaxView.qml Example File

declarative/modelviews/parallax/qml/parallax/ParallaxView.qml

     /****************************************************************************
     **
     ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Nokia Corporation (qt-info@nokia.com)
     **
     ** 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
     ** met:
     **   * Redistributions of source code must retain the above copyright
     **     notice, this list of conditions and the following disclaimer.
     **   * Redistributions in binary form must reproduce the above copyright
     **     notice, this list of conditions and the following disclaimer in
     **     the documentation and/or other materials provided with the
     **     distribution.
     **   * Neither the name of Nokia Corporation 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.
     **
     ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
     ** $QT_END_LICENSE$
     **
     ****************************************************************************/

     import QtQuick 1.0

     Item {
         id: root

         property alias background: background.source
         property int currentIndex: 0
         default property alias content: visualModel.children

         Image {
             id: background
             fillMode: Image.TileHorizontally
             x: -list.contentX / 2
             width: Math.max(list.contentWidth, parent.width)
         }

         ListView {
             id: list
             anchors.fill: parent

             currentIndex: root.currentIndex
             onCurrentIndexChanged: root.currentIndex = currentIndex

             orientation: Qt.Horizontal
             boundsBehavior: Flickable.DragOverBounds
             model: VisualItemModel { id: visualModel }

             highlightRangeMode: ListView.StrictlyEnforceRange
             snapMode: ListView.SnapOneItem
         }

         ListView {
             id: selector

             height: 50
             anchors.bottom: parent.bottom
             anchors.horizontalCenter: parent.horizontalCenter
             width: Math.min(count * 50, parent.width - 20)
             interactive: width == parent.width - 20
             orientation: Qt.Horizontal

             currentIndex: root.currentIndex
             onCurrentIndexChanged: root.currentIndex = currentIndex

             model: visualModel.children
             delegate: Item {
                 width: 50; height: 50
                 id: delegateRoot

                 Image {
                     id: image
                     source: modelData.icon
                     smooth: true
                     scale: 0.8
                 }

                 MouseArea {
                     anchors.fill: parent
                     onClicked: { root.currentIndex = index }
                 }

                 states: State {
                     name: "Selected"
                     when: delegateRoot.ListView.isCurrentItem == true
                     PropertyChanges {
                         target: image
                         scale: 1
                         y: -5
                     }
                 }
                 transitions: Transition {
                     NumberAnimation { properties: "scale,y" }
                 }
             }

             Rectangle {
                 color: "#60FFFFFF"
                 x: -10; y: -10; z: -1
                 width: parent.width + 20; height: parent.height + 20
                 radius: 10
             }
         }
     }