Uses of Package
com.google.gwt.user.client.ui

Packages that use com.google.gwt.user.client.ui

Package	Description
com.google.gwt.activity.shared	Classes used to implement app navigation.
com.google.gwt.canvas.client	Classes for HTML Canvas 2D support.
com.google.gwt.cell.client	Standard Cell subclasses used by the cellview widgets.
com.google.gwt.editor.ui.client	User interface components for the bean editor framework.
com.google.gwt.editor.ui.client.adapters	User interface adapters for the bean editor framework.
com.google.gwt.logging.client	Log handlers and related classes for java.util.logging support in GWT.
com.google.gwt.media.client	Widgets for HTML Audio and Video support.
com.google.gwt.touch.client
com.google.gwt.user.cellview.client	The "cellview" widget set.
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.

Classes in com.google.gwt.user.client.ui used by com.google.gwt.activity.shared

Class	Description
AcceptsOneWidget	Implemented by displays that can be given accept an IsWidget to show.

Classes in com.google.gwt.user.client.ui used by com.google.gwt.canvas.client

Class	Description
Focusable	A widget that implements this interface can receive keyboard focus.
FocusWidget	Abstract base class for most widgets that can receive keyboard focus.
HasEnabled	A widget that implements this interface can be put in an "enabled" or "disabled" state.
HasFocus	Deprecated. Use Focusable instead
HasVisibility	Implemented by objects that have the visibility trait.
IsWidget	Extended by view interfaces that are likely to be implemented by Widgets.
SourcesClickEvents	Deprecated. use HasClickHandlers instead
SourcesFocusEvents	Deprecated. use HasAllFocusHandlers instead
SourcesKeyboardEvents	Deprecated. use HasAllKeyHandlers instead
SourcesMouseEvents	Deprecated. use HasAllMouseHandlers instead
UIObject	The superclass for all user-interface objects.
Widget	The base class for the majority of user-interface objects.

Classes in com.google.gwt.user.client.ui used by com.google.gwt.cell.client

Class	Description
HasEnabled	A widget that implements this interface can be put in an "enabled" or "disabled" state.
HasVerticalAlignment.VerticalAlignmentConstant	Horizontal alignment constant.

Classes in com.google.gwt.user.client.ui used by com.google.gwt.editor.ui.client

Class	Description
Composite	A type of widget that can wrap another widget, hiding the wrapped widget's methods.
HasVisibility	Implemented by objects that have the visibility trait.
IsRenderable	An interface for UI elements that can be built by first generating a piece of HTML and afterwards wrapping a root widget.
IsWidget	Extended by view interfaces that are likely to be implemented by Widgets.
SimplePanel	Base class for panels that contain only one widget.
UIObject	The superclass for all user-interface objects.
ValueBoxBase	Abstract base class for all text entry widgets.
Widget	The base class for the majority of user-interface objects.

Classes in com.google.gwt.user.client.ui used by com.google.gwt.editor.ui.client.adapters

Class	Description
HasText	An object that implements this interface contains text, which can be set and retrieved using these methods.
ValueBoxBase	Abstract base class for all text entry widgets.

Classes in com.google.gwt.user.client.ui used by com.google.gwt.logging.client

Class	Description
AcceptsOneWidget	Implemented by displays that can be given accept an IsWidget to show.
HasAnimation	A Widget that uses an animation should implement this class so users can enable or disable animations.
HasOneWidget	Implemented by panels that have only one widget.
HasVisibility	Implemented by objects that have the visibility trait.
HasWidgets	A widget that implements this interface contains widgets and can enumerate them.
HasWidgets.ForIsWidget	Extends this interface with convenience methods to handle IsWidget.
IsWidget	Extended by view interfaces that are likely to be implemented by Widgets.
Panel	Abstract base class for all panels, which are widgets that can contain other widgets.
PopupPanel	A panel that can "pop up" over other widgets.
SimplePanel	Base class for panels that contain only one widget.
SourcesPopupEvents	Deprecated. use HasCloseHandlers instead
UIObject	The superclass for all user-interface objects.
Widget	The base class for the majority of user-interface objects.

Classes in com.google.gwt.user.client.ui used by com.google.gwt.media.client

Class	Description
Focusable	A widget that implements this interface can receive keyboard focus.
FocusWidget	Abstract base class for most widgets that can receive keyboard focus.
HasEnabled	A widget that implements this interface can be put in an "enabled" or "disabled" state.
HasFocus	Deprecated. Use Focusable instead
HasVisibility	Implemented by objects that have the visibility trait.
IsWidget	Extended by view interfaces that are likely to be implemented by Widgets.
SourcesClickEvents	Deprecated. use HasClickHandlers instead
SourcesFocusEvents	Deprecated. use HasAllFocusHandlers instead
SourcesKeyboardEvents	Deprecated. use HasAllKeyHandlers instead
SourcesMouseEvents	Deprecated. use HasAllMouseHandlers instead
UIObject	The superclass for all user-interface objects.
Widget	The base class for the majority of user-interface objects.

Classes in com.google.gwt.user.client.ui used by com.google.gwt.touch.client

Class	Description
HasScrolling	Implemented by widgets that support scrolling.

Classes in com.google.gwt.user.client.ui used by com.google.gwt.user.cellview.client

Class	Description
Composite	A type of widget that can wrap another widget, hiding the wrapped widget's methods.
Focusable	A widget that implements this interface can receive keyboard focus.
HasAlignment	A widget that implements this interface has an intrinsic alignment which can be manipulated using these methods and constants.
HasAnimation	A Widget that uses an animation should implement this class so users can enable or disable animations.
HasHorizontalAlignment	Characteristic interface which indicates that a widget can be aligned horizontally.
HasHorizontalAlignment.HorizontalAlignmentConstant	Possible return values for HasHorizontalAlignment.getHorizontalAlignment(), and parameter values for HasHorizontalAlignment.setHorizontalAlignment(com.google.gwt.user.client.ui.HasHorizontalAlignment.HorizontalAlignmentConstant).
HasValue	Extends TakesValue to allow the value to be pulled back out, and to throw ValueChangeEvent events.
HasVerticalAlignment	Characteristic interface which indicates that a widget has an associated vertical alignment.
HasVerticalAlignment.VerticalAlignmentConstant	Horizontal alignment constant.
HasVisibility	Implemented by objects that have the visibility trait.
IsRenderable	An interface for UI elements that can be built by first generating a piece of HTML and afterwards wrapping a root widget.
IsWidget	Extended by view interfaces that are likely to be implemented by Widgets.
ProvidesResize	This tag interface specifies that the implementing widget will call RequiresResize.onResize() on its children whenever their size may have changed.
RequiresResize	This interface designates that its implementor needs to be informed whenever its size is modified.
UIObject	The superclass for all user-interface objects.
Widget	The base class for the majority of user-interface objects.

Classes in com.google.gwt.user.client.ui used by com.google.gwt.user.client.ui

Class	Description
AbsolutePanel	An absolute panel positions all of its children absolutely, allowing them to overlap.
AbstractImagePrototype	An opaque representation of a particular image such that the image can be accessed either as an HTML fragment or as an Image object.
AbstractImagePrototype.ImagePrototypeElement	This corresponds to the top Element of the DOM structure created by AbstractImagePrototype.createElement().
AbstractNativeScrollbar	Abstract parent class for scrollbars implemented using the native browser scrollbars.
AcceptsOneWidget	Implemented by displays that can be given accept an IsWidget to show.
Anchor	A widget that represents a simple <a> element.
AnimatedLayout	Specifies that a panel can animate between layouts.
AttachDetachException.Command	The command to execute when iterating through child widgets.
Button	A standard push-button widget.
ButtonBase	Abstract base class for Button, CheckBox, RadioButton.
CaptionPanel.CaptionPanelImpl	Implementation class without browser-specific hacks.
CellPanel	A panel whose child widgets are contained within the cells of a table.
ChangeListener	Deprecated. As of GWT 1.6, DOM and logical change events are separate.
ChangeListenerCollection	Deprecated. Widgets should now manage their own handlers via Widget.addDomHandler(H, com.google.gwt.event.dom.client.DomEvent.Type<H>)
CheckBox	A standard check box widget.
ClickListener	Deprecated. Use ClickHandler instead
ClickListenerCollection	Deprecated. As of GWT 1.6, call addDomHandler(myHandler, ClickEvent.getType()) to manage handlers for your widget instead
ComplexPanel	Abstract base class for panels that can contain multiple child widgets.
Composite	A type of widget that can wrap another widget, hiding the wrapped widget's methods.
CustomButton	CustomButton is a base button class with built in support for a set number of button faces.
CustomButton.Face	Represents a button's face.
CustomScrollPanel.Resources	A ClientBundle of resources used by this widget.
CustomScrollPanel.Style	Styles used by this widget.
DeckPanel	A panel that displays all of its child widgets in a 'deck', where only one can be visible at a time.
DecoratedPopupPanel	A PopupPanel that wraps its content in a 3x3 grid, which allows users to add rounded corners.
DialogBox.Caption	Set of characteristic interfaces supported by the DialogBox caption.
DirectionalTextHelper	A helper class for displaying bidi (i.e.
DisclosureEvent	Deprecated. Use CloseEvent and OpenEvent instead
DisclosureHandler	Deprecated. Use CloseHandler and/or OpenHandler instead
DisclosurePanel	A widget that consists of a header and a content panel that discloses the content when a user clicks on the header.
DisclosurePanelImages	Deprecated.
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.
DockLayoutPanel.Direction	Used in DockLayoutPanel.addEast(Widget, double) et al to specify the direction in which a child widget will be added.
DockPanel.DockLayoutConstant	DockPanel layout constant, used in DockPanel.add(Widget, DockPanel.DockLayoutConstant).
FileUpload	A widget that wraps the HTML <input type='file'> element.
FiniteWidgetIterator.WidgetProvider	Provides widgets to the iterator.
FiresDisclosureEvents	Deprecated. Use HasOpenHandlers and HasCloseHandlers instead
FiresFormEvents	Deprecated. This interface was specific to FormPanel; it is not generally useful and will be removed in a future version.
FiresSuggestionEvents	Deprecated. Use HasSelectionHandlers instead.
FlexTable.FlexCellFormatter	FlexTable-specific implementation of HTMLTable.CellFormatter.
Focusable	A widget that implements this interface can receive keyboard focus.
FocusListener	Deprecated. Use FocusHandler and/or BlurHandler instead
FocusListenerCollection	Deprecated. Widgets should now manage their own handlers via Widget.addDomHandler(H, com.google.gwt.event.dom.client.DomEvent.Type<H>)
FocusWidget	Abstract base class for most widgets that can receive keyboard focus.
FormHandler	Deprecated. Use FormPanel.SubmitCompleteHandler and/or FormPanel.SubmitHandler instead
FormPanel	A panel that wraps its contents in an HTML <FORM> element.
FormPanel.IFrameTemplate
FormPanel.SubmitCompleteEvent	Fired when a form has been submitted successfully.
FormPanel.SubmitCompleteHandler	Handler for FormPanel.SubmitCompleteEvent events.
FormPanel.SubmitEvent	Fired when the form is submitted.
FormPanel.SubmitHandler	Handler for FormPanel.SubmitEvent events.
FormSubmitCompleteEvent	Event object containing information about form submission events.
FormSubmitEvent	Event object containing information about form submission events.
Frame	A widget that wraps an IFRAME element, which can contain an arbitrary web site.
HasAlignment	A widget that implements this interface has an intrinsic alignment which can be manipulated using these methods and constants.
HasAnimation	A Widget that uses an animation should implement this class so users can enable or disable animations.
HasAutoHorizontalAlignment	A widget that implements this interface can be configured to be aligned according to its contents' direction, in addition to the static alignment options offered by HasHorizontalAlignment.
HasConstrainedValue	Implemented by widgets that pick from a set of values.
HasDirectionalHtml	An object that implements this interface contains html that has a direction.
HasDirectionalSafeHtml	An object that implements this interface contains html that has a direction.
HasDirectionalText	An object that implements this interface contains text that has a direction.
HasEnabled	A widget that implements this interface can be put in an "enabled" or "disabled" state.
HasFocus	Deprecated. Use Focusable instead
HasHorizontalAlignment	Characteristic interface which indicates that a widget can be aligned horizontally.
HasHorizontalAlignment.AutoHorizontalAlignmentConstant	Type for values defined and used in HasAutoHorizontalAlignment.
HasHorizontalAlignment.HorizontalAlignmentConstant	Possible return values for HasHorizontalAlignment.getHorizontalAlignment(), and parameter values for HasHorizontalAlignment.setHorizontalAlignment(com.google.gwt.user.client.ui.HasHorizontalAlignment.HorizontalAlignmentConstant).
HasHorizontalScrolling	Implemented by widgets that support horizontal scrolling.
HasHTML	An object that implements this interface contains text, which can be set and retrieved using these methods.
HasName	A widget that implements this interface has a 'name' associated with it, allowing it to be used with FormPanel.
HasOneWidget	Implemented by panels that have only one widget.
HasScrolling	Implemented by widgets that support scrolling.
HasText	An object that implements this interface contains text, which can be set and retrieved using these methods.
HasTreeItems	A widget that implements this interface contains items and can operate them.
HasTreeItems.ForIsWidget	Extends this interface with convenience methods to handle IsWidget.
HasValue	Extends TakesValue to allow the value to be pulled back out, and to throw ValueChangeEvent events.
HasVerticalAlignment	Characteristic interface which indicates that a widget has an associated vertical alignment.
HasVerticalAlignment.VerticalAlignmentConstant	Horizontal alignment constant.
HasVerticalScrolling	Implemented by widgets that support vertical scrolling.
HasVisibility	Implemented by objects that have the visibility trait.
HasWidgets	A widget that implements this interface contains widgets and can enumerate them.
HasWidgets.ForIsWidget	Extends this interface with convenience methods to handle IsWidget.
HasWordWrap	A widget that implements this interface has a 'word-wrap' property that can be manipulated using these methods.
Hidden	Represents a hidden field in an HTML form.
HorizontalScrollbar	Describes a horizontal scrollbar.
HorizontalSplitPanel.Resources	Deprecated. The default resources used by this widget.
HorizontalSplitPanelImages	Deprecated. replaced by HorizontalSplitPanel.Resources.
HTML	A widget that can contain arbitrary HTML.
HTMLPanel	A panel that contains HTML, and which can attach child widgets to identified elements within that HTML.
HTMLTable	HTMLTable contains the common table algorithms for Grid and FlexTable.
HTMLTable.Cell	Return value for HTMLTable.getCellForEvent(com.google.gwt.event.dom.client.ClickEvent).
HTMLTable.CellFormatter	This class contains methods used to format a table's cells.
HTMLTable.ColumnFormatter	This class contains methods used to format a table's columns.
HTMLTable.RowFormatter	This class contains methods used to format a table's rows.
Hyperlink	A widget that serves as an "internal" hyperlink.
Image	A widget that displays the image at a given URL.
ImageBundle	Deprecated. replaced by ClientBundle and ImageResource
ImageBundle.Resource	Deprecated. Explicitly specifies a file name or path to the image resource to be associated with a method in an ImageBundle.
IndexedPanel	Implemented by panels that impose an explicit ordering on their children.
IndexedPanel.ForIsWidget	Extends this interface with convenience methods to handle IsWidget.
InlineHTML	A widget that can contain arbitrary HTML.
InlineLabel	A widget that contains arbitrary text, not interpreted as HTML.
InsertPanel	Implemented by IndexedPanels that also allow insertions.
InsertPanel.ForIsWidget	Extends this interface with convenience methods to handle IsWidget.
IsRenderable	An interface for UI elements that can be built by first generating a piece of HTML and afterwards wrapping a root widget.
IsTreeItem	Extended by objects which have underlying TreeItem.
IsWidget	Extended by view interfaces that are likely to be implemented by Widgets.
KeyboardListener	Deprecated. use KeyDownHandler, KeyUpHandler and/or KeyPressHandler instead
KeyboardListenerCollection	Deprecated. Widgets should now manage their own handlers via Widget.addDomHandler(H, com.google.gwt.event.dom.client.DomEvent.Type<H>)
Label	A widget that contains arbitrary text, not interpreted as HTML.
LabelBase	Abstract base class for all text display widgets.
LayoutPanel	A panel that lays its children out in arbitrary layers using the Layout class.
ListBox	A widget that presents a list of choices to the user, either as a list box or as a drop-down list.
ListenerWrapper	Deprecated. will be removed in GWT 2.7 with the handler listeners themselves
ListenerWrapper.WrappedChangeListener	Deprecated. will be removed in GWT 2.0 along with the listeners being wrapped
ListenerWrapper.WrappedClickListener	Deprecated. will be removed in GWT 2.0 along with the listeners being wrapped
ListenerWrapper.WrappedFocusListener	Deprecated. Wrapper for a FocusListener.
ListenerWrapper.WrappedKeyboardListener	Deprecated. Wrapper for a KeyboardListener.
ListenerWrapper.WrappedLoadListener	Deprecated. Wrapper for a LoadListener.
ListenerWrapper.WrappedLogicalChangeListener	Deprecated. will be removed in GWT 2.0 along with the listeners being wrapped
ListenerWrapper.WrappedMouseListener	Deprecated. Wrapper for a MouseListener.
ListenerWrapper.WrappedMouseWheelListener	Deprecated. Wrapper for a MouseWheelListener.
ListenerWrapper.WrappedScrollListener	Deprecated. Wrapper for a ScrollListener.
LoadListener	Deprecated. use LoadHandler and ErrorHandler instead
MenuBar	A standard menu bar widget.
MenuBar.MenuBarImages	Deprecated. replaced by MenuBar.Resources
MenuBar.Resources	A ClientBundle that contains the default resources for this widget.
MenuItem	An entry in a MenuBar.
MenuItemSeparator	A separator that can be placed in a MenuBar.
MouseListener	Deprecated. use MouseDownHandler, MouseUpHandler, MouseOverHandler, MouseMoveHandler, and MouseOutHandler instead
MouseWheelListener	Deprecated. use MouseWheelHandler instead
MouseWheelVelocity	Deprecated. use MouseWheelEvent.getDeltaY() instead
MultiWordSuggestOracle.MultiWordSuggestion	Suggestion class for MultiWordSuggestOracle.
NamedFrame	A Frame that has a 'name' associated with it.
NamedFrame.IFrameTemplate
NativeHorizontalScrollbar.Resources	A ClientBundle of resources used by this widget.
NativeHorizontalScrollbar.Style	Styles used by this widget.
NativeVerticalScrollbar.Resources	A ClientBundle of resources used by this widget.
NativeVerticalScrollbar.Style	Styles used by this widget.
NativeVerticalScrollbar.UiBinderBundle	Client bundle used in the uibinder template.
NativeVerticalScrollbar.UiStyle	Style used in uibinder template.
Panel	Abstract base class for all panels, which are widgets that can contain other widgets.
PasswordTextBox	A text box that visually masks its input to prevent eavesdropping.
PopupListener	Deprecated. use CloseHandler instead
PopupPanel	A panel that can "pop up" over other widgets.
PopupPanel.AnimationType	The type of animation to use when opening the popup.
PopupPanel.PositionCallback	A callback that is used to set the position of a PopupPanel right before it is shown.
PopupPanel.ResizeAnimation	An Animation used to enlarge the popup into view.
PotentialElement	EXPERIMENTAL and subject to change.
PrefixTree	A prefix tree (aka trie).
ProvidesResize	This tag interface specifies that the implementing widget will call RequiresResize.onResize() on its children whenever their size may have changed.
RenderableStamper	Used by IsRenderable to mark their root element in such a way that they can be later retrieved.
RequiresResize	This interface designates that its implementor needs to be informed whenever its size is modified.
ResizeComposite	A Composite implementation that implements RequiresResize and automatically delegates that interface's methods to its wrapped widget, which must itself implement RequiresResize.
ResizeLayoutPanel.Impl	Implementation of resize event.
ResizeLayoutPanel.Impl.Delegate	Delegate event handler.
RichTextArea.BasicFormatter	Deprecated. use RichTextArea.Formatter instead
RichTextArea.ExtendedFormatter	Deprecated. use RichTextArea.Formatter instead
RichTextArea.FontSize	Font size enumeration.
RichTextArea.Formatter	This interface is used to access full formatting options, when available.
RichTextArea.Justification	Justification enumeration.
RootLayoutPanel	A singleton implementation of LayoutPanel that always attaches itself to the document body (i.e.
RootPanel	The panel to which all other widgets must ultimately be added.
ScrollImpl	Implementation of scrolling behavior.
ScrollListener	Deprecated. use ScrollHandler instead
ScrollPanel	A simple panel that wraps its contents in a scrollable area.
SimpleCheckBox	A simple checkbox widget, with no label.
SimplePanel	Base class for panels that contain only one widget.
SimpleRadioButton	A simple radio button widget, with no label.
SourcesChangeEvents	Deprecated. we have now separated dom and logical change events.
SourcesClickEvents	Deprecated. use HasClickHandlers instead
SourcesFocusEvents	Deprecated. use HasAllFocusHandlers instead
SourcesKeyboardEvents	Deprecated. use HasAllKeyHandlers instead
SourcesLoadEvents	Deprecated. use HasErrorHandlers and HasLoadHandlers instead
SourcesMouseEvents	Deprecated. use HasAllMouseHandlers instead
SourcesMouseWheelEvents	Deprecated. Use HasMouseWheelHandlers instead
SourcesPopupEvents	Deprecated. use HasCloseHandlers instead
SourcesScrollEvents	Deprecated. use HasScrollHandlers instead
SourcesTabEvents	Deprecated. use HasSelectionHandlers and HasBeforeSelectionHandlers instead
SourcesTableEvents	Deprecated. use HasClickHandlers instead.
SourcesTreeEvents	Deprecated. use HasBeforeSelectionHandlers, HasOpenHandlers and HasClickHandlers instead
SplitLayoutPanel.Splitter
SplitPanel	Deprecated. Use SplitLayoutPanel instead, but understand that it is not a drop in replacement for this 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.
SuggestBox	A SuggestBox is a text box or text area which displays a pre-configured set of selections that match the user's input.
SuggestBox.SuggestionCallback	The callback used when a user selects a SuggestOracle.Suggestion.
SuggestBox.SuggestionDisplay	Used to display suggestions to the user.
SuggestionEvent	Event object containing information about the selection of a SuggestOracle.Suggestion displayed by a SuggestBox.
SuggestionHandler	Deprecated. use SelectionHandler instead
SuggestOracle	A SuggestOracle can be used to create suggestions associated with a specific query string.
SuggestOracle.Callback	Callback for SuggestOracle.
SuggestOracle.Request	A SuggestOracle request.
SuggestOracle.Response	SuggestOracle response.
SuggestOracle.Suggestion	Suggestion supplied by the SuggestOracle.
TabBar	A horizontal bar of folder-style tabs, most commonly used as part of a TabPanel.
TabBar.Tab	Set of characteristic interfaces supported by TabBar tabs.
TableListener	Deprecated. use ClickHandler and HTMLTable.getCellForEvent(com.google.gwt.event.dom.client.ClickEvent) instead
TabListener	Deprecated. use TabPanel.addBeforeSelectionHandler(com.google.gwt.event.logical.shared.BeforeSelectionHandler) and/or TabPanel.addSelectionHandler(com.google.gwt.event.logical.shared.SelectionHandler) instead
TabPanel	A panel that represents a tabbed set of pages, each of which contains another widget.
TextArea	A text box that allows multiple lines of text to be entered.
TextBox	A standard single-line text box.
TextBoxBase	Abstract base class for most text entry widgets.
TextBoxBase.TextAlignConstant	Deprecated. use ValueBoxBase.setAlignment(ValueBoxBase.TextAlignment)
Tree	A standard hierarchical tree widget.
Tree.ImageAdapter	There are several ways of configuring images for the Tree widget due to deprecated APIs.
Tree.Resources	A ClientBundle that provides images for this widget.
TreeImages	Deprecated. replaced by Tree.Resources.
TreeItem	An item that can be contained within a Tree.
TreeListener	Deprecated. Use SelectionHandler, OpenHandler, and CloseHandler instead
UIObject	The superclass for all user-interface objects.
UIObject.DebugIdImpl	The implementation of the set debug id method, which does nothing by default.
ValueBox	A text box able to parse its displayed value.
ValueBoxBase	Abstract base class for all text entry widgets.
ValueBoxBase.TextAlignment	Alignment values for ValueBoxBase.setAlignment(com.google.gwt.user.client.ui.ValueBoxBase.TextAlignment).
ValueLabel	A label displaying its value through a renderer.
ValuePicker	Allows the user to pick a single value from a list.
VerticalScrollbar	Describes a vertical scrollbar.
VerticalSplitPanel.Resources	Deprecated. The default resources used by this widget.
VerticalSplitPanelImages	Deprecated. replaced by VerticalSplitPanel.Resources.
Widget	The base class for the majority of user-interface objects.
WidgetCollection	A simple collection of widgets to be used by panels and composites.

Classes in com.google.gwt.user.client.ui used by com.google.gwt.user.datepicker.client

Class	Description
Composite	A type of widget that can wrap another widget, hiding the wrapped widget's methods.
Grid	A rectangular grid that can contain text, html, or a child Widget within its cells.
HasEnabled	A widget that implements this interface can be put in an "enabled" or "disabled" state.
HasValue	Extends TakesValue to allow the value to be pulled back out, and to throw ValueChangeEvent events.
HasVisibility	Implemented by objects that have the visibility trait.
HasWidgets	A widget that implements this interface contains widgets and can enumerate them.
HasWidgets.ForIsWidget	Extends this interface with convenience methods to handle IsWidget.
HTMLTable	HTMLTable contains the common table algorithms for Grid and FlexTable.
IsRenderable	An interface for UI elements that can be built by first generating a piece of HTML and afterwards wrapping a root widget.
IsWidget	Extended by view interfaces that are likely to be implemented by Widgets.
ListBox	A widget that presents a list of choices to the user, either as a list box or as a drop-down list.
Panel	Abstract base class for all panels, which are widgets that can contain other widgets.
SourcesTableEvents	Deprecated. use HasClickHandlers instead.
TextBox	A standard single-line text box.
UIObject	The superclass for all user-interface objects.
Widget	The base class for the majority of user-interface objects.