/****************************************************************************+
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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 QtDeclarative module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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import Qt 4.7+
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+
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Item {+
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    id: slider; width: 400; height: 16+
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+
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    // value is read/write.+
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    property real value: 1+
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    onValueChanged: updatePos();+
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    property real maximum: 1+
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    property real minimum: 1+
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    property int xMax: width - handle.width - 4+
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    onXMaxChanged: updatePos();+
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    onMinimumChanged: updatePos();+
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+
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    function updatePos() {+
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        if (maximum > minimum) {+
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            var pos = 2 + (value - minimum) * slider.xMax / (maximum - minimum);+
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            pos = Math.min(pos, width - handle.width - 2);+
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            pos = Math.max(pos, 2);+
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            handle.x = pos;+
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        } else {+
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            handle.x = 2;+
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        }+
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    }+
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+
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    Rectangle {+
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        anchors.fill: parent+
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        border.color: "white"; border.width: 0; radius: 8+
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        gradient: Gradient {+
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            GradientStop { position: 0.0; color: "#66343434" }+
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            GradientStop { position: 1.0; color: "#66000000" }+
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        }+
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    }+
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+
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    Rectangle {+
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        id: handle; smooth: true+
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        y: 2; width: 30; height: slider.height-4; radius: 6+
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        gradient: Gradient {+
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            GradientStop { position: 0.0; color: "lightgray" }+
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            GradientStop { position: 1.0; color: "gray" }+
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        }+
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+
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        MouseArea {+
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            id: mouse+
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            anchors.fill: parent; drag.target: parent+
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            drag.axis: Drag.XAxis; drag.minimumX: 2; drag.maximumX: slider.xMax+2+
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            onPositionChanged: { value = (maximum - minimum) * (handle.x-2) / slider.xMax + minimum; }+
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        }+
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    }+
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}+
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