ui/widgets/core/overlay library

Classes

DropdownButton<T>

An interactive select menu button that opens a dropdown list overlay.

DropdownButtonState<T>

State for a DropdownButton.

DropdownMenuItem<T>

An item in a DropdownButton menu.

ModalDismissBarrier

A full-screen widget that blocks pointer events and invokes onDismiss when clicked.

ModalDismissBarrierElement

Element managing a ModalDismissBarrier widget.

Overlay

A stack-based layout system that manages overlapping floating widgets.

OverlayEntry

An entry representing a widget that can be inserted into an Overlay.

OverlayState

The state for an Overlay, managing its active entries.

PopupMenuButton<T>

A button that displays a pop-up option menu when triggered.

PopupMenuButtonState<T>

State for a PopupMenuButton.

PopupMenuItem<T>

An item in a popup menu.

Functions

getAbsoluteRect(Buffer buffer, Rect localRect) → Rect

Helper function to traverse the parent chain of a Buffer to find its absolute Rect boundaries.