from nicegui import ui


def main_demo() -> None:
    with ui.row().classes('w-full items-center'):
        result = ui.label().classes('mr-auto')
        with ui.button(on_click=lambda: menu.open()).props('icon=menu'):
            with ui.menu() as menu:
                ui.menu_item('Menu item 1', lambda: result.set_text('Selected item 1'))
                ui.menu_item('Menu item 2', lambda: result.set_text('Selected item 2'))
                ui.menu_item('Menu item 3 (keep open)',
                             lambda: result.set_text('Selected item 3'), auto_close=False)
                ui.separator()
                ui.menu_item('Close', on_click=menu.close)