Package com.google.gwt.event.dom.client

Class KeyEvent<H extends EventHandler>

java.lang.Object

com.google.web.bindery.event.shared.Event<H>

com.google.gwt.event.shared.GwtEvent<H>

com.google.gwt.event.dom.client.DomEvent<H>

com.google.gwt.event.dom.client.KeyEvent<H>

Type Parameters:

H - The event handler type

All Implemented Interfaces:

HasNativeEvent

Direct Known Subclasses:

KeyCodeEvent, KeyPressEvent

public abstract class KeyEvent<H extends EventHandler>
extends DomEvent<H>

Base class for Key events. The native keyboard events are somewhat a mess (http://www.quirksmode.org/js/keys.html), we do some trivial normalization here, but do not attempt any complex patching, so user be warned.

Nested Class Summary

Nested classes/interfaces inherited from class com.google.gwt.event.dom.client.DomEvent

DomEvent.Type<H extends EventHandler>

Constructor Summary

Constructors

Constructor	Description
KeyEvent()

Method Summary

Modifier and Type	Method	Description
boolean	isAltKeyDown()	Is the alt key down?
boolean	isAnyModifierKeyDown()	Does this event have any modifier keys down? Specifically.
boolean	isControlKeyDown()	Is the control key down?
boolean	isMetaKeyDown()	Is the meta key down?
boolean	isShiftKeyDown()	Is the shift key down?

Methods inherited from class com.google.gwt.event.dom.client.DomEvent

fireNativeEvent, fireNativeEvent, getAssociatedType, getNativeEvent, getRelativeElement, init, preventDefault, setNativeEvent, setRelativeElement, stopPropagation

Methods inherited from class com.google.gwt.event.shared.GwtEvent

assertLive, dispatch, getSource, isLive, kill, revive

Methods inherited from class com.google.web.bindery.event.shared.Event

setSource, toDebugString, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

KeyEvent

public KeyEvent()

Method Details

isAltKeyDown

public boolean isAltKeyDown()

Is the alt key down?

Returns:

whether the alt key is down

isAnyModifierKeyDown

public boolean isAnyModifierKeyDown()

Does this event have any modifier keys down? Specifically. is the control, meta, shift, or alt key currently pressed?

Returns:

whether this event have any modifier key down

isControlKeyDown

public boolean isControlKeyDown()

Is the control key down?

Returns:

whether the control key is down

isMetaKeyDown

public boolean isMetaKeyDown()

Is the meta key down?

Returns:

whether the meta key is down

isShiftKeyDown

public boolean isShiftKeyDown()

Is the shift key down?

Returns:

whether the shift key is down