Protected ReadonlycommandProtected ReadonlycontextProtected ReadonlycontextReadonlyeffectiveReadonlygroupProtected ReadonlymenuProtected ReadonlymenuOptionalpriorityevaluates when clauses with the values that describe the given widget. Defaults
to the ambient context, for toolbars that render items with no owning widget.
ProtectedrenderRenders a toolbar item that is a menu, presenting it as a button with a little chevron decoration that pops up a floating menu when clicked.
evaluates when clauses with the values that describe widget, so that the
chevron and its popup resolve the same keys as the visibility check.
the rendered toolbar item
Presents the menu to popup on the event that is the clicking of
a menu toolbar item.
the path of the registered menu to show
the mouse event triggering the menu
evaluates
whenclauses with the values that describe the given widget. Keys scoped to a DOM node keep resolving against the focused element, as no context node is passed here.