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

Widgets, Panels, and other user-interface classes. This package contains all of the high-level user-interface Widgets, along with panels and event interfaces. These classes form the bulk of the client-side libraries used by GWT applications.

Classes

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.
Button	A standard push-button widget.
ButtonBase	Abstract base class for Button, CheckBox, RadioButton.
CellPanel	A panel whose child widgets are contained within the cells of a table.
ChangeListenerCollection	A helper class for implementers of the SourcesChangeEvents interface.
CheckBox	A standard check box widget (also serves as a base class for RadioButton.
ClickListenerCollection	A helper class for implementers of the SourcesClickEvents interface.
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	Custom Button is a base button class with built in support for a set number of button faces.
DeckPanel	A panel that displays all of its child widgets in a 'deck', where only one can be visible at a time.
DelegatingChangeListenerCollection	ChangeListenerCollection used to correctly hook up listeners which need to listen to events from another source.
DelegatingClickListenerCollection	ClickListenerCollection used to correctly hook up listeners which need to listen to events from another source.
DelegatingFocusListenerCollection	FocusListenerCollection used to correctly hook up listeners which need to listen to events from another source.
DelegatingKeyboardListenerCollection	KeyboardListenerCollection used to correctly hook up event listeners to the composite's wrapped widget.
DialogBox	A form of popup that has a caption area at the top and can be dragged by the user.
DisclosureEvent	Event object containing information about DisclosurePanel changes.
DisclosurePanel	A widget that consists of a header and a content panel that discloses the content when a user clicks on the header.
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.
FileUpload	A widget that wraps the HTML <input type='file'> element.
FlexTable	A flexible table that creates cells on demand.
FlowPanel	A panel that formats its child widgets using the default HTML layout behavior.
FocusListenerAdapter	An adapter to simplify focus event listeners that do not need all events defined on the FocusListener interface.
FocusListenerCollection	A helper class for implementers of the SourcesFocusEvents interface.
FocusPanel	A simple panel that makes its contents focusable, and adds the ability to catch mouse and keyboard events.
FocusWidget	Abstract base class for most widgets that can receive keyboard focus.
FormHandlerCollection	Helper class for widgets that accept FormHandlers.
FormPanel	A panel that wraps its contents in an HTML <FORM> element.
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.
Grid	A rectangular grid that can contain text, html, or a child Widget within its cells.
Hidden	Represents a hidden field in an HTML form.
HorizontalPanel	A panel that lays all of its widgets out in a single horizontal column.
HorizontalSplitPanel	A panel that arranges two widgets in a single horizontal row and allows the user to interactively change the proportion of the width dedicated to each of the two widgets.
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.
Hyperlink	A widget that serves as an "internal" hyperlink.
Image	A widget that displays the image at a given URL.
KeyboardListenerAdapter	An adapter to simplify keyboard event listeners that do not need all events defined on the KeyboardListener interface.
KeyboardListenerCollection	A helper class for implementers of the SourcesKeyboardEvents interface.
Label	A widget that contains arbitrary text, not interpreted as HTML.
ListBox	A widget that presents a list of choices to the user, either as a list box or as a drop-down list.
LoadListenerCollection	A helper class for implementers of the SourcesLoadEvents interface.
MenuBar	A standard menu bar widget.
MenuItem	A widget that can be placed in a MenuBar.
MouseListenerAdapter	An adapter to simplify mouse event listeners that do not need all events defined on the MouseListener interface.
MouseListenerCollection	A helper class for implementers of the SourcesMouseEvents interface.
MouseWheelListenerCollection	A helper class for implementers of the SourcesMouseWheelEvents interface.
MouseWheelVelocity	Encapsulates the direction and velocity of mouse wheel events.
MultiWordSuggestOracle	The default SuggestOracle.
NamedFrame	A Frame that has a 'name' associated with it.
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.
PopupListenerCollection	A helper class for implementers of the SourcesPopupEvents interface.
PopupPanel	A panel that can "pop up" over other widgets.
PushButton	A normal push button with custom styling.
RadioButton	A mutually-exclusive selection radio button widget.
RichTextArea	A rich text editor that allows complex styling and formatting.
RootPanel	The panel to which all other widgets must ultimately be added.
ScrollListenerCollection	A helper class for implementers of the SourcesScrollEvents interface.
ScrollPanel	A simple panel that wraps its contents in a scrollable area.
SimplePanel	Abstract base class for panels that contain only one widget.
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.
SuggestionEvent	Event object containing information about the selection of a Suggestion displayed by a SuggestBox.
SuggestOracle	A SuggestOracle can be used to create suggestions associated with a specific query string.
TabBar	A horizontal bar of folder-style tabs, most commonly used as part of a TabPanel.
TableListenerCollection	A helper class for implementers of the SourcesTableEvents interface.
TabListenerCollection	A helper class for implementers of the SourcesTabEvents interface.
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 all text entry widgets.
ToggleButton	A ToggleButton is a stylish stateful button which allows the user to toggle between up and down states.
Tree	A standard hierarchical tree widget.
TreeItem	An item that can be contained within a Tree.
TreeListenerCollection	A helper class for implementers of the SourcesClickEvents interface.
UIObject	The superclass for all user-interface objects.
VerticalPanel	A panel that lays all of its widgets out in a single vertical column.
VerticalSplitPanel	A panel that arranges two widgets in a single vertical column and allows the user to interactively change the proportion of the height dedicated to each of the two widgets.
Widget	The base class for the majority of user-interface objects.
WidgetCollection	A simple collection of widgets to be used by panels and composites.

Interfaces

ChangeListener	Event listener interface for 'change' events.
ClickListener	Event listener interface for click events.
DisclosureHandler	Event handler interface for DisclosureEvent.
DisclosurePanelImages	An ImageBundle that provides images for DisclosurePanel.
FiresDisclosureEvents	A widget that implements this interface fires the events defined by the DisclosureHandler interface.
FiresFormEvents	A widget that implements this interface fires the events defined by the FormHandler interface.
FiresSuggestionEvents	A widget that implements this interface fires the events defined by the SuggestionHandler interface.
FocusListener	Event listener for focus events.
FormHandler	Handler interface for form submit events.
HasAlignment	A widget that implements this interface has an intrinsic alignment which can be manipulated using these methods and constants.
HasCaption	A widget that implements this interface has a caption which can be set and retrieved using these methods.
HasFocus	A widget that implements this interface can receive keyboard focus.
HasHorizontalAlignment	Characteristic interface which indicates that a widget can be aligned horizontally.
HasHTML	An object that implements this interface contains text, which can be set and retrieved using these methods.
HasKeyPreview	A class that implements this interface receives a preview of keyboard events before they are passed to the focused widget.
HasName	A widget that implements this interface has a 'name' associated with it, allowing it to be used with FormPanel.
HasText	An object that implements this interface contains text, which can be set and retrieved using these methods.
HasVerticalAlignment	Characteristic interface which indicates that a widget has an associated vertical alignment.
HasWidgets	A widget that implements this interface contains widgets and can enumerate them.
HasWordWrap	A widget that implements this interface has a 'word-wrap' property that can be manipulated using these methods.
HorizontalSplitPanelImages	An ImageBundle that provides images for HorizontalSplitPanel.
ImageBundle	A tag interface that is used in the generation of image bundles.
IndexedPanel	A panel that imposes an explicit ordering on its children.
KeyboardListener	Event listener interface for keyboard events.
LoadListener	Event listener interface for 'load' events.
MouseListener	Event listener interface for mouse events.
MouseWheelListener	Event listener interface for mouse wheel events.
PopupListener	Event listener interface for popup events.
ScrollListener	Event listener interface for scroll events.
SourcesChangeEvents	A widget that implements this interface sources the events defined by the ChangeListener interface.
SourcesClickEvents	A widget that implements this interface sources the events defined by the ClickListener interface.
SourcesFocusEvents	A widget that implements this interface sources the events defined by the FocusListener interface.
SourcesKeyboardEvents	A widget that implements this interface sources the events defined by the KeyboardListener interface.
SourcesLoadEvents	A widget that implements this interface sources the events defined by the LoadListener interface.
SourcesMouseEvents	A widget that implements this interface sources the events defined by the MouseListener interface.
SourcesMouseWheelEvents	A widget that implements this interface sources the events defined by the MouseWheelListener interface.
SourcesPopupEvents	A widget that implements this interface sources the events defined by the PopupListener interface.
SourcesScrollEvents	A widget that implements this interface sources the events defined by the ScrollListener interface.
SourcesTabEvents	A widget that implements this interface sources the events defined by the TabListener interface.
SourcesTableEvents	A widget that implements this interface sources the events defined by the TableListener interface.
SourcesTreeEvents	A widget that implements this interface sources the events defined by the TreeListener interface.
SuggestionHandler	Event handler interface for SuggestionEvent.
TableListener	Event listener interface for table events.
TabListener	Event listener interface for tab events, used primarily by TabBar and TabPanel.
TreeImages	An ImageBundle that provides images for Tree.
TreeListener	Event listener interface for tree events.
VerticalSplitPanelImages	An ImageBundle that provides images for HorizontalSplitPanel.

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