# Package org.eclipse.swt.widgets

SWT widget public API classes.

See: Description

Interface Summary
Listener: Implementers of `Listener` provide a simple `handleEvent()` method that is used internally by SWT to dispatch events.

Class Summary
Button: Instances of this class represent a selectable user interface object that issues notification when pressed and released.
Canvas: Instances of this class provide a surface for drawing arbitrary graphics.
Caret: Instances of this class provide an i-beam that is typically used as the insertion point for text.
ColorDialog: Instances of this class allow the user to select a color from a predefined set of available colors.
Combo: Instances of this class are controls that allow the user to choose an item from a list of items, or optionally enter a new value by typing it into an editable text field.
Composite: Instances of this class are controls which are capable of containing other controls.
Control: Control is the abstract superclass of all windowed user interface classes.
CoolBar: Instances of this class provide an area for dynamically positioning the items they contain.
CoolItem: Instances of this class are selectable user interface objects that represent the dynamically positionable areas of a `CoolBar`.
DateTime: Instances of this class are selectable user interface objects that allow the user to enter and modify date or time values.
Decorations: Instances of this class provide the appearance and behavior of `Shells`, but are not top level shells or dialogs.
Dialog: This class is the abstract superclass of the classes that represent the built in platform dialogs.
DirectoryDialog: Instances of this class allow the user to navigate the file system and select a directory.
Display: Instances of this class are responsible for managing the connection between SWT and the underlying operating system.
Event: Instances of this class provide a description of a particular event which occurred within SWT.
ExpandBar: Instances of this class support the layout of selectable expand bar items.
ExpandItem: Instances of this class represent a selectable user interface object that represents a expandable item in a expand bar.
FileDialog: Instances of this class allow the user to navigate the file system and select or enter a file name.
FontDialog: Instances of this class allow the user to select a font from all available fonts in the system.
Group: Instances of this class provide an etched border with an optional title.
IME: Instances of this class represent input method editors.
Item: This class is the abstract superclass of all non-windowed user interface objects that occur within specific controls.
Label: Instances of this class represent a non-selectable user interface object that displays a string or image.
Layout: A layout controls the position and size of the children of a composite widget.
Link: Instances of this class represent a selectable user interface object that displays a text with links.
List: Instances of this class represent a selectable user interface object that displays a list of strings and issues notification when a string is selected.
Menu: Instances of this class are user interface objects that contain menu items.
MenuItem: Instances of this class represent a selectable user interface object that issues notification when pressed and released.
MessageBox: Instances of this class are used to inform or warn the user.
Monitor: Instances of this class are descriptions of monitors.
ProgressBar: Instances of the receiver represent an unselectable user interface object that is used to display progress, typically in the form of a bar.
Sash: Instances of the receiver represent a selectable user interface object that allows the user to drag a rubber banded outline of the sash within the parent control.
Scale: Instances of the receiver represent a selectable user interface object that present a range of continuous numeric values.
Scrollable: This class is the abstract superclass of all classes which represent controls that have standard scroll bars.
ScrollBar: Instances of this class are selectable user interface objects that represent a range of positive, numeric values.
Shell: Instances of this class represent the "windows" which the desktop or "window manager" is managing.
Slider: Instances of this class are selectable user interface objects that represent a range of positive, numeric values.
Spinner: Instances of this class are selectable user interface objects that allow the user to enter and modify numeric values.
Synchronizer: Instances of this class provide synchronization support for displays.
TabFolder: Instances of this class implement the notebook user interface metaphor.
TabItem: Instances of this class represent a selectable user interface object corresponding to a tab for a page in a tab folder.
Table: Instances of this class implement a selectable user interface object that displays a list of images and strings and issues notification when selected.
TableColumn: Instances of this class represent a column in a table widget.
TableItem: Instances of this class represent a selectable user interface object that represents an item in a table.
TaskBar: Instances of this class represent the system task bar.
TaskItem: Instances of this class represent a task item.
Text: Instances of this class are selectable user interface objects that allow the user to enter and modify text.
ToolBar: Instances of this class support the layout of selectable tool bar items.
ToolItem: Instances of this class represent a selectable user interface object that represents a button in a tool bar.
ToolTip: Instances of this class represent popup windows that are used to inform or warn the user.
Touch: Instances of this class are created in response to a touch-based input device being touched.
TouchSource: Instances of this class represent sources of touch input that generate `Touch` objects.
Tracker: Instances of this class implement rubber banding rectangles that are drawn onto a parent `Composite` or `Display`.
Tray: Instances of this class represent the system tray that is part of the task bar status area on some operating systems.
TrayItem: Instances of this class represent icons that can be placed on the system tray or task bar status area.
Tree: Instances of this class provide a selectable user interface object that displays a hierarchy of items and issues notification when an item in the hierarchy is selected.
TreeColumn: Instances of this class represent a column in a tree widget.
TreeItem: Instances of this class represent a selectable user interface object that represents a hierarchy of tree items in a tree widget.
TypedListener: Instances of this class are internal SWT implementation objects which provide a mapping between the typed and untyped listener mechanisms that SWT supports.
Widget: This class is the abstract superclass of all user interface objects.

## Package org.eclipse.swt.widgets Description

SWT widget public API classes.

## Package Specification

This package contains the classes which make up the public SWT widget API as well as the related public support classes (for example, class `Event`).