Slider.qml Example File | Qt Positioning 5.4

- Qt 5.4
- Qt Positioning
- GeoFlickr (QML)
- Slider.qml Example File
- Qt 5.4.2 Reference Documentation

# Slider.qml Example File

geoflickr/flickrcommon/Slider.qml

    /****************************************************************************
    **
    ** Copyright (C) 2013 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
    ** 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 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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    ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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    import QtQuick 2.0

    Item {
        id: slider; width: 400; height: 16

        // value is read/write.
        property real value
        onValueChanged: { handle.x = 2 + (value - minimum) * slider.xMax / (maximum - minimum); }
        property real maximum: 1
        property real minimum: 1
        property int xMax: slider.width - handle.width - 4

        Rectangle {
            anchors.fill: parent
            border.color: "white"; border.width: 0; radius: 8
            gradient: Gradient {
                GradientStop { position: 0.0; color: "#66343434" }
                GradientStop { position: 1.0; color: "#66000000" }
            }
        }

        Rectangle {
            id: handle; smooth: true
            x: slider.width / 2 - handle.width / 2; y: 2; width: 30; height: slider.height-4; radius: 6
            gradient: Gradient {
                GradientStop { position: 0.0; color: "lightgray" }
                GradientStop { position: 1.0; color: "gray" }
            }

            MouseArea {
                anchors.fill: parent; drag.target: parent
                drag.axis: Drag.XAxis; drag.minimumX: 2; drag.maximumX: slider.xMax+2
                onPositionChanged: { value = (maximum - minimum) * (handle.x-2) / slider.xMax + minimum; }
            }
        }
    }