qtmobility/examples/qmlcontacts/ScrollBar.qml
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 23 Jun 2010 19:08:38 +0300
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Revision: 201023 Kit: 2010125
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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**   * Redistributions of source code must retain the above copyright
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**     notice, this list of conditions and the following disclaimer.
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**   * Redistributions in binary form must reproduce the above copyright
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**     notice, this list of conditions and the following disclaimer in
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**     the documentation and/or other materials provided with the
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**     distribution.
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**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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**     the names of its contributors may be used to endorse or promote
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**     products derived from this software without specific prior written
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**     permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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1
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import Qt 4.6
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Item {
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    id: scrollBar
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    // The properties that define the scrollbar's state.
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    // position and pageSize are in the range 0.0 - 1.0.  They are relative to the
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    // height of the page, i.e. a pageSize of 0.5 means that you can see 50%
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    // of the height of the view.
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    // orientation can be either 'Vertical' or 'Horizontal'
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    property real position
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    property real pageSize
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    property var orientation : "Vertical"
4
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    property alias bgColor: background.color
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    property alias fgColor: thumb.color
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    // A light, semi-transparent background
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    Rectangle {
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        id: background
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        radius: orientation == 'Vertical' ? (width/2 - 1) : (height/2 - 1)
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        color: "white"; opacity: 0.3
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        anchors.fill: parent
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    }
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    // Size the bar to the required size, depending upon the orientation.
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    Rectangle {
4
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        id: thumb
1
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        opacity: 0.7
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        color: "black"
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        radius: orientation == 'Vertical' ? (width/2 - 1) : (height/2 - 1)
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        x: orientation == 'Vertical' ? 1 : (scrollBar.position * (scrollBar.width-2) + 1)
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        y: orientation == 'Vertical' ? (scrollBar.position * (scrollBar.height-2) + 1) : 1
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        width: orientation == 'Vertical' ? (parent.width-2) : (scrollBar.pageSize * (scrollBar.width-2))
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        height: orientation == 'Vertical' ? (scrollBar.pageSize * (scrollBar.height-2)) : (parent.height-2)
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    }
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}