nixos/other/quickshell/bar/systray/MenuView.qml

import QtQuick
import QtQuick.Layouts
import Quickshell
import "../../theme" as Theme

ColumnLayout {
    id: root
    property alias menu: menuView.menu
    property Item animatingItem: null
    property bool animating: animatingItem != null

    signal close
    signal submenuExpanded(item: var)

    QsMenuOpener {
        id: menuView
    }

    spacing: 0

    Repeater {
        model: menuView.children

        Loader {
            required property var modelData

            property var item: Component {
                BoundComponent {
                    id: itemComponent
                    source: "MenuItem.qml"

                    property var entry: modelData

                    function onClose() {
                        root.close();
                    }

                    function onExpandedChanged() {
                        if (item.expanded)
                            root.submenuExpanded(item);
                    }

                    function onAnimatingChanged() {
                        if (item.animating) {
                            root.animatingItem = this;
                        } else if (root.animatingItem == this) {
                            root.animatingItem = null;
                        }
                    }

                    Connections {
                        target: root

                        function onSubmenuExpanded(expandedItem) {
                            if (item != expandedItem)
                                item.expanded = false;
                        }
                    }
                }
            }

            property var separator: Component {
                Rectangle {
                    color: Theme.Colors.menuViewColor
                    implicitHeight: 4
                }
            }

            sourceComponent: modelData.isSeparator ? separator : item
            Layout.fillHeight: true
            Layout.fillWidth: true
        }
    }
}