DankMaterialShell/quickshell/Common/ModalManager.qml

pragma Singleton
pragma ComponentBehavior: Bound

import Quickshell
import QtQuick

Singleton {
    id: modalManager

    signal closeAllModalsExcept(var excludedModal)
    signal modalChanged

    property var currentModalsByScreen: ({})

    function openModal(modal) {
        const screenName = modal.effectiveScreen?.name ?? "unknown";
        currentModalsByScreen[screenName] = modal;
        modalChanged();
        Qt.callLater(() => {
            if (!modal.allowStacking)
                closeAllModalsExcept(modal);
            if (!modal.keepPopoutsOpen)
                PopoutManager.closeAllPopouts();
            TrayMenuManager.closeAllMenus();
        });
    }

    function closeModal(modal) {
        const screenName = modal.effectiveScreen?.name ?? "unknown";
        if (currentModalsByScreen[screenName] === modal) {
            delete currentModalsByScreen[screenName];
            modalChanged();
        }
    }
}