import QtQuick
import QtQuick.Controls

ApplicationWindow {
    width: 640
    height: 480
    visible: true
    title: qsTr("Hello World")

    Button {
        text: "Open popup"
        onClicked: dialog.open()
        Dialog {
            id: dialog
            modal: true
            parent: Overlay.overlay
            anchors.centerIn: parent
            Row {
                Button {
                    id: checkbox
                    checkable: true
                    text: checked ? "menu.popup()" : "menu.open()"
                }
                TextArea {
                    text: "Open menu"
                    Menu {
                        id: menu
                        Action {
                            text: "Action 1"
                        }
                        Action {
                            text: "Action 2"
                        }
                    }
                    onPressed: event => {
                        if (checkbox.checked)
                            menu.popup(event.x, event.y);
                        else {
                            menu.open();
                        }
                    }
                }
            }
        }
    }
}

menu.x = event.x;
menu.y = event.y;
menu.open();