HasKeyDownHandlers

implements HasHandlers

com.google.gwt.event.dom.client.HasKeyDownHandlers

Known Indirect Subclasses

Anchor, Audio, Button, ButtonBase, Canvas, CheckBox, CustomButton, DoubleBox, FocusPanel, FocusWidget, HasAllKeyHandlers, IntegerBox, ListBox, LongBox, PasswordTextBox, and 17 others.

Anchor	A widget that represents a simple <a> element.
Audio	A widget representing an <audio> element.
Button	A standard push-button widget.
ButtonBase	Abstract base class for `Button`, `CheckBox`, `RadioButton`.
Canvas	A widget representing a <canvas> element.
CheckBox	A standard check box widget.
CustomButton	CustomButton is a base button class with built in support for a set number of button faces.
DoubleBox	A ValueBox that uses `DoubleParser` and `DoubleRenderer`.
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.
HasAllKeyHandlers	Convenience interface used to implement all key handlers at once.
IntegerBox	A ValueBox that uses `IntegerParser` and `IntegerRenderer`.
ListBox	A widget that presents a list of choices to the user, either as a list box or as a drop-down list.
LongBox	A ValueBox that uses `LongParser` and `LongRenderer`.
PasswordTextBox	A text box that visually masks its input to prevent eavesdropping.
PushButton	A normal push button with custom styling.
RadioButton	A mutually-exclusive selection radio button widget.
ResetButton	A standard push-button widget which will automatically reset its enclosing `FormPanel` if any.
RichTextArea	A rich text editor that allows complex styling and formatting.
SimpleCheckBox	A simple checkbox widget, with no label.
SimpleRadioButton	A simple radio button widget, with no label.
SubmitButton	A standard push-button widget which will automatically submit its enclosing `FormPanel` if any.
SuggestBox	A `SuggestBox` is a text box or text area which displays a pre-configured set of selections that match the user's input.
TabBar.Tab	Set of characteristic interfaces supported by `TabBar` tabs.
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.
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.
ValueBox<T>	A text box able to parse its displayed value.
ValueBoxBase<T>	Abstract base class for all text entry widgets.
Video	A widget representing a <video> element.

Class Overview

A widget that implements this interface provides registration for KeyDownHandler instances.

Summary

Public Methods
abstract HandlerRegistration	addKeyDownHandler(KeyDownHandler handler) Adds a `KeyDownEvent` handler.

[Expand]

Inherited Methods

From interface com.google.gwt.event.shared.HasHandlers

Public Methods

public abstract HandlerRegistration addKeyDownHandler (KeyDownHandler handler)

Adds a KeyDownEvent handler.

Parameters

handler	the key down handler

Returns

HandlerRegistration used to remove this handler

Interfaces