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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

import QtQml
import QtQuick

FocusScope {
    id: menu
    clip: true
    required property Item keyUpTarget
    required property Item keyLeftTarget

    ListView {
        id: list1
        y: activeFocus ? 10 : 40; width: parent.width / 3; height: parent.height - 20
        focus: true
        KeyNavigation.up: menu.keyUpTarget
        KeyNavigation.left: menu.keyLeftTarget
        KeyNavigation.right: list2
        model: 10; cacheBuffer: 200
        delegate: ListViewDelegate {}

        Behavior on y {
            NumberAnimation { duration: 600; easing.type: Easing.OutQuint }
        }
    }

    ListView {
        id: list2
        y: activeFocus ? 10 : 40; x: parseInt(parent.width / 3); width: parent.width / 3; height: parent.height - 20
        KeyNavigation.up: menu.keyUpTarget
        KeyNavigation.left: list1
        KeyNavigation.right: list3
        model: 10; cacheBuffer: 200
        delegate: ListViewDelegate {}

        Behavior on y {
            NumberAnimation { duration: 600; easing.type: Easing.OutQuint }
        }
    }

    ListView {
        id: list3
        y: activeFocus ? 10 : 40; x: parseInt(2 * parent.width / 3); width: parent.width / 3; height: parent.height - 20
        KeyNavigation.up: menu.keyUpTarget
        KeyNavigation.left: list2
        model: 10; cacheBuffer: 200
        delegate: ListViewDelegate {}

        Behavior on y {
            NumberAnimation { duration: 600; easing.type: Easing.OutQuint }
        }
    }

    Rectangle { width: parent.width; height: 1; color: "#D1DBBD" }

    Rectangle {
        y: 1; width: parent.width; height: 10
        gradient: Gradient {
            GradientStop { position: 0.0; color: "#3E606F" }
            GradientStop { position: 1.0; color: "transparent" }
        }
    }

    Rectangle {
        y: parent.height - 10; width: parent.width; height: 10
        gradient: Gradient {
            GradientStop { position: 1.0; color: "#3E606F" }
            GradientStop { position: 0.0; color: "transparent" }
        }
    }
}