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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 2.9
import QtQuick.Templates 2.2 as T
import QtQuick.Controls.Material 2.2
import QtQuick.Controls.Material.impl 2.2

T.TabBar {
    id: control

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

    spacing: 1
    contentHeight: 48

    contentItem: ListView {
        model: control.contentModel
        currentIndex: control.currentIndex

        spacing: control.spacing
        orientation: ListView.Horizontal
        boundsBehavior: Flickable.StopAtBounds
        flickableDirection: Flickable.AutoFlickIfNeeded
        snapMode: ListView.SnapToItem

        highlightMoveDuration: 250
        highlightResizeDuration: 0
        highlightFollowsCurrentItem: true
        highlightRangeMode: ListView.ApplyRange
        preferredHighlightBegin: 48
        preferredHighlightEnd: width - 48

        highlight: Item {
            z: 2
            Rectangle {
                height: 2
                width: parent.width
                y: control.position === T.TabBar.Footer ? 0 : parent.height - height
                color: control.Material.accentColor
            }
        }
    }

    background: Rectangle {
        color: control.Material.backgroundColor

        layer.enabled: control.Material.elevation > 0
        layer.effect: ElevationEffect {
            elevation: control.Material.elevation
            fullWidth: true
        }
    }
}