Slider.qml Example File | QtQuick 5.3

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- Slider.qml Example File
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# Slider.qml Example File

quick-accessibility/content/Slider.qml

    /****************************************************************************
    **
    ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
    ** Contact: http://www.qt-project.org/legal
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    ** This file is part of the Qt Quick module of the Qt Toolkit.
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    ** $QT_BEGIN_LICENSE:LGPL$
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    ** packaging of this file.  Please review the following information to
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    ** General Public License version 3.0 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
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    import QtQuick 2.0

    // Minimal slider implementation
    Rectangle {
        id: slider

        property alias text: buttonText.text
        Accessible.role: Accessible.Slider

        property int value: 5         // required
        property int minimumValue: 0  // optional (default INT_MIN)
        property int maximumValue: 20 // optional (default INT_MAX)
        property int stepSize: 1      // optional (default 1)

        width: 100
        height: 30
        border.color: "black"
        border.width: 1

        Rectangle {
            id: indicator
            x: 1
            y: 1
            height: parent.height - 2
            width: ((parent.width - 2) / maximumValue) * value
            color: "lightgrey"
            Behavior on width {
                NumberAnimation { duration: 50 }
            }
        }

        Text {
            id: buttonText
            text: parent.value
            anchors.centerIn: parent
            font.pixelSize: parent.height * .5
        }

        MouseArea {
            anchors.fill: parent
            onClicked: {
                var pos = mouse.x / slider.width * (maximumValue - minimumValue) + minimumValue
                slider.value = pos
            }
        }

        Keys.onLeftPressed: value > minimumValue ? value = value - stepSize : minimumValue
        Keys.onRightPressed: value < maximumValue ? value = value + stepSize : maximumValue
    }