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** Copyright (C) 2017 The Qt Company Ltd.
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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 2.11
import QtQuick.Templates 2.4 as T
import QtQuick.Controls 2.4
import QtQuick.Controls.impl 2.4
import QtQuick.Controls.Fusion 2.4
import QtQuick.Controls.Fusion.impl 2.4

T.GroupBox {
    id: control

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

    contentWidth: contentItem.implicitWidth || (contentChildren.length === 1 ? contentChildren[0].implicitWidth : 0)
    contentHeight: contentItem.implicitHeight || (contentChildren.length === 1 ? contentChildren[0].implicitHeight : 0)

    spacing: 6
    padding: 9
    topPadding: padding + (label && label.implicitWidth > 0 ? label.implicitHeight + spacing : 0)

    label: Text {
        x: control.leftPadding
        width: control.availableWidth

        text: control.title
        font: control.font
        color: control.palette.windowText
        elide: Text.ElideRight
        verticalAlignment: Text.AlignVCenter
    }

    background: Rectangle {
        y: control.topPadding - control.bottomPadding
        width: parent.width
        height: parent.height - control.topPadding + control.bottomPadding

        radius: 2
        color: Color.transparent("black", 3 / 255)
        border.color: Qt.lighter(Fusion.outline(control.palette), 1.08)
    }
}
