## Uses of Interface
com.google.gwt.user.client.ui.HasWidgets

Packages that use HasWidgets
com.google.gwt.logging.client: Log handlers and related classes for java.util.logging support in GWT.
com.google.gwt.user.client.ui: Widgets, Panels, and other user-interface classes.
com.google.gwt.user.datepicker.client: The date picker widget and associated types.

### Uses of HasWidgets in com.google.gwt.logging.client

Classes in com.google.gwt.logging.client that implement HasWidgets
`class` `LoggingPopup` A simple popup to show log messages, which can be resized, minimized, and dragged to a different location.

Constructors in com.google.gwt.logging.client with parameters of type HasWidgets
Constructor and Description
`HasWidgetsLogHandler(HasWidgets container)`

### Uses of HasWidgets in com.google.gwt.user.client.ui

Subinterfaces of HasWidgets in com.google.gwt.user.client.ui
`static interface` `HasWidgets.ForIsWidget` Extends this interface with convenience methods to handle `IsWidget`.

Classes in com.google.gwt.user.client.ui that implement HasWidgets
`class` `AbsolutePanel` An absolute panel positions all of its children absolutely, allowing them to overlap.
`class` `CaptionPanel` A panel that wraps its contents in a border with a caption that appears in the upper left corner of the border.
`class` `CellPanel` A panel whose child widgets are contained within the cells of a table.
`class` `ComplexPanel` Abstract base class for panels that can contain multiple child widgets.
`class` `CustomScrollPanel` A custom version of the `ScrollPanel` that allows user provided scrollbars.
`class` `DeckLayoutPanel` A panel that displays all of its child widgets in a 'deck', where only one can be visible at a time.
`class` `DeckPanel` A panel that displays all of its child widgets in a 'deck', where only one can be visible at a time.
`class` `DecoratedPopupPanel` A `PopupPanel` that wraps its content in a 3x3 grid, which allows users to add rounded corners.
`class` `DecoratedStackPanel` A `StackPanel` that wraps each item in a 2x3 grid (six box), which allows users to add rounded corners.
`class` `DecoratedTabPanel` A `TabPanel` that uses a `DecoratedTabBar` with rounded corners.
`class` `DecoratorPanel` A `SimplePanel` that wraps its contents in stylized boxes, which can be used to add rounded corners to a `Widget`.
`class` `DialogBox` A form of popup that has a caption area at the top and can be dragged by the user.
`class` `DisclosurePanel` A widget that consists of a header and a content panel that discloses the content when a user clicks on the header.
`class` `DockLayoutPanel` A panel that lays its child widgets out "docked" at its outer edges, and allows its last widget to take up the remaining space in its center.
`class` `DockPanel` A panel that lays its child widgets out "docked" at its outer edges, and allows its last widget to take up the remaining space in its center.
`class` `FlexTable` A flexible table that creates cells on demand.
`class` `FlowPanel` A panel that formats its child widgets using the default HTML layout behavior.
`class` `FocusPanel` A simple panel that makes its contents focusable, and adds the ability to catch mouse and keyboard events.
`class` `FormPanel` A panel that wraps its contents in an HTML <FORM> element.
`class` `Grid` A rectangular grid that can contain text, html, or a child `Widget` within its cells.
`class` `HeaderPanel` A panel that includes a header (top), footer (bottom), and content (middle) area.
`class` `HorizontalPanel` A panel that lays all of its widgets out in a single horizontal column.
`class` `HorizontalSplitPanel` Deprecated. Use `SplitLayoutPanel` instead, but understand that it is not a drop in replacement for this class. It requires standards mode, and is most easily used under a `RootLayoutPanel` (as opposed to a `RootPanel`
`class` `HTMLPanel` A panel that contains HTML, and which can attach child widgets to identified elements within that HTML.
`class` `HTMLTable` HTMLTable contains the common table algorithms for `Grid` and `FlexTable`.
`class` `LayoutPanel` A panel that lays its children out in arbitrary `layers` using the `Layout` class.
`class` `LazyPanel` Convenience class to help lazy loading.
`class` `Panel` Abstract base class for all panels, which are widgets that can contain other widgets.
`class` `PopupPanel` A panel that can "pop up" over other widgets.
`class` `RenderablePanel` EXPERIMENTAL and subject to change.
`class` `ResizeLayoutPanel` A simple panel that `ProvidesResize` to its one child, but does not `RequiresResize`.
`class` `RootLayoutPanel` A singleton implementation of `LayoutPanel` that always attaches itself to the document body (i.e.
`class` `RootPanel` The panel to which all other widgets must ultimately be added.
`class` `ScrollPanel` A simple panel that wraps its contents in a scrollable area.
`class` `SimpleLayoutPanel` A simple panel that `ProvidesResize` to its one child.
`class` `SimplePanel` Base class for panels that contain only one widget.
`class` `SplitLayoutPanel` A panel that adds user-positioned splitters between each of its child widgets.
`(package private) class` `SplitPanel` Deprecated. Use `SplitLayoutPanel` instead, but understand that it is not a drop in replacement for this class. It requires standards mode, and is most easily used under a `RootLayoutPanel` (as opposed to a `RootPanel`
`class` `StackLayoutPanel` A panel that stacks its children vertically, displaying only one at a time, with a header for each child which the user can click to display.
`class` `StackPanel` A panel that stacks its children vertically, displaying only one at a time, with a header for each child which the user can click to display.
`class` `TabLayoutPanel` A panel that represents a tabbed set of pages, each of which contains another widget.
`class` `TabPanel` A panel that represents a tabbed set of pages, each of which contains another widget.
`class` `Tree` A standard hierarchical tree widget.
`class` `VerticalPanel` A panel that lays all of its widgets out in a single vertical column.
`class` `VerticalSplitPanel` Deprecated. Use `SplitLayoutPanel` instead, but understand that it is not a drop in replacement for this class. It requires standards mode, and is most easily used under a `RootLayoutPanel` (as opposed to a `RootPanel`

Methods in com.google.gwt.user.client.ui with parameters of type HasWidgets
`(package private) static java.util.Iterator<Widget>` WidgetIterators.`createWidgetIterator(HasWidgets container, Widget[] contained)` Wraps an array of widgets to be returned during iteration.

Constructors in com.google.gwt.user.client.ui with parameters of type HasWidgets
Constructor and Description
`WidgetCollection(HasWidgets parent)` Constructs a new widget collection.

### Uses of HasWidgets in com.google.gwt.user.datepicker.client

Classes in com.google.gwt.user.datepicker.client that implement HasWidgets
`(package private) class` `CellGridImpl<V>` Highlighting, selectable cell grid.
`(package private) class` `DefaultCalendarView.CellGrid` Cell grid.