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** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit.
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import QtQuick 2.8
import QtQuick.Templates 2.2 as T
import QtQuick.Controls.Universal 2.2

T.Slider {
    id: control

    implicitWidth: Math.max(background ? background.implicitWidth : 0,
                           (handle ? handle.implicitWidth : 0) + leftPadding + rightPadding)
    implicitHeight: Math.max(background ? background.implicitHeight : 0,
                            (handle ? handle.implicitHeight : 0) + topPadding + bottomPadding)

    padding: 6

    property bool useSystemFocusVisuals: true

    handle: Rectangle {
        implicitWidth: horizontal ? 8 : 24
        implicitHeight: horizontal ? 24 : 8

        readonly property bool horizontal: control.orientation === Qt.Horizontal

        x: control.leftPadding + (horizontal ? control.visualPosition * (control.availableWidth - width) : (control.availableWidth - width) / 2)
        y: control.topPadding + (horizontal ? (control.availableHeight - height) / 2 : control.visualPosition * (control.availableHeight - height))

        radius: 4
        color: control.pressed ? control.Universal.chromeHighColor :
               control.hovered ? control.Universal.chromeAltLowColor :
               control.enabled ? control.Universal.accent : control.Universal.chromeDisabledHighColor
    }

    background: Item {
        implicitWidth: horizontal ? 200 : 18
        implicitHeight: horizontal ? 18 : 200

        readonly property bool horizontal: control.orientation === Qt.Horizontal

        x: control.leftPadding + (horizontal ? 0 : (control.availableWidth - width) / 2)
        y: control.topPadding + (horizontal ? (control.availableHeight - height) / 2 : 0)
        width: horizontal ? control.availableWidth : implicitWidth
        height: horizontal ? implicitHeight : control.availableHeight

        scale: horizontal && control.mirrored ? -1 : 1

        Rectangle {
            x: parent.horizontal ? 0 : (parent.width - width) / 2
            y: parent.horizontal ? (parent.height - height) / 2 : 0
            width: parent.horizontal ? parent.width : 2 // SliderTrackThemeHeight
            height: !parent.horizontal ? parent.height : 2 // SliderTrackThemeHeight

            color: control.hovered && !control.pressed ? control.Universal.baseMediumColor :
                   control.enabled ? control.Universal.baseMediumLowColor : control.Universal.chromeDisabledHighColor
        }

        Rectangle {
            x: parent.horizontal ? 0 : (parent.width - width) / 2
            y: parent.horizontal ? (parent.height - height) / 2 : control.visualPosition * parent.height
            width: parent.horizontal ? control.position * parent.width : 2 // SliderTrackThemeHeight
            height: !parent.horizontal ? control.position * parent.height : 2 // SliderTrackThemeHeight

            color: control.enabled ? control.Universal.accent : control.Universal.chromeDisabledHighColor
        }
    }
}