Struct Popup 

pub struct Popup { /* private fields */ }

A styled dropdown popup anchored to an arbitrary caller rectangle (e.g. a toolbar button), rather than the tray icon or a bare point. It reuses the exact place_popup math the tray uses; Tray, ContextMenu, and Popup differ only in how the anchor rectangle is obtained, and all funnel into one shared PopupSession (spec 01 §5.3, spec 20 §3).

Implementations

impl Popup

pub fn new(menu: Menu) -> Self

Create a dropdown popup from a Menu.

pub fn options(self, options: MenuOptions) -> Self

Set popup options (width bounds, theme source).

pub fn on_click(self, handler: impl Fn(&MenuId) + Send + 'static) -> Self

Register a click handler invoked with the activated row’s MenuId.

pub fn menu(&self) -> &Menu

Borrow the menu.

pub fn menu_options(&self) -> &MenuOptions

Borrow the options.

pub fn accessibility_tree(&self) -> AxTree

Build the AxTree the platform screen reader walks over this menu.

pub fn dispatch(&self, id: &MenuId)

Dispatch a click to the registered handler, if any. Fires the on_click closure first, then projects the activation onto the global MenuEvent channel (spec 03 §3) — so a Popup is a first-class event source alongside Tray and ContextMenu, as MenuEvent::receiver promises. An inert MenuId::none fires neither.

pub fn anchored_to(&self, anchor: LogicalRect, edge: Edge) -> Result<()>

Show the popup anchored to anchor (a caller rectangle in screen logical coordinates), growing from edge, and block until it is dismissed.

This is the tray’s session anchored to an arbitrary rect instead of the tray icon (spec 20 §3). On platforms whose styled popup loop is not implemented yet this returns Error::Platform.