Cockpit-cpp/Run/QtQuick/Controls/Material/Pane.qml

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

T.Pane {
    id: control

    implicitWidth: Math.max(implicitBackgroundWidth + leftInset + rightInset,
                            contentWidth + leftPadding + rightPadding)
    implicitHeight: Math.max(implicitBackgroundHeight + topInset + bottomInset,
                             contentHeight + topPadding + bottomPadding)

    padding: 12

    background: Rectangle {
        color: control.Material.backgroundColor
        radius: control.Material.elevation > 0 ? 2 : 0

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