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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.Imagine 2.4
import QtQuick.Controls.Imagine.impl 2.4

T.Dialog {
    id: control

    implicitWidth: Math.max(background ? background.implicitWidth : 0,
                            header && header.visible ? header.implicitWidth : 0,
                            footer && footer.visible ? footer.implicitWidth : 0,
                            contentWidth > 0 ? contentWidth + leftPadding + rightPadding : 0)
    implicitHeight: Math.max(background ? background.implicitHeight : 0,
                             (header && header.visible ? header.implicitHeight + spacing : 0)
                             + (footer && footer.visible ? footer.implicitHeight + spacing : 0)
                             + (contentHeight > 0 ? contentHeight + topPadding + bottomPadding : 0))

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

    topPadding: background ? background.topPadding : 0
    leftPadding: background ? background.leftPadding : 0
    rightPadding: background ? background.rightPadding : 0
    bottomPadding: background ? background.bottomPadding : 0

    background: NinePatchImage {
        x: -leftInset; y: -topInset
        width: control.width + leftInset + rightInset
        height: control.height + topInset + bottomInset

        source: Imagine.path + "dialog-background"
        NinePatchImageSelector on source {
            states: [
                {"modal": control.modal},
                {"dim": control.dim}
            ]
        }
    }

    header: Label {
        text: control.title
        visible: control.title
        elide: Label.ElideRight
        font.bold: true
        padding: 12

        background: NinePatchImage {
            width: parent.width
            height: parent.height

            source: Imagine.path + "dialog-title"
            NinePatchImageSelector on source {
                states: [
                    {"modal": control.modal},
                    {"dim": control.dim}
                ]
            }
        }
    }

    footer: DialogButtonBox {
        visible: count > 0
    }

    T.Overlay.modal: NinePatchImage {
        source: Imagine.path + "dialog-overlay"
        NinePatchImageSelector on source {
            states: [
                {"modal": true}
            ]
        }
    }

    T.Overlay.modeless: NinePatchImage {
        source: Imagine.path + "dialog-overlay"
        NinePatchImageSelector on source {
            states: [
                {"modal": false}
            ]
        }
    }
}