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## com.google.gwt.user.client.ui
Class FocusWidget

    java.lang.Object
      com.google.gwt.user.client.ui.UIObject
          com.google.gwt.user.client.ui.Widget
              com.google.gwt.user.client.ui.FocusWidget

All Implemented Interfaces:
  HasAllDragAndDropHandlers, HasAllFocusHandlers, HasAllGestureHandlers, HasAllKeyHandlers, HasAllMouseHandlers, HasAllTouchHandlers, HasBlurHandlers, HasClickHandlers, HasDoubleClickHandlers, HasDragEndHandlers, HasDragEnterHandlers, HasDragHandlers, HasDragLeaveHandlers, HasDragOverHandlers, HasDragStartHandlers, HasDropHandlers, HasFocusHandlers, HasGestureChangeHandlers, HasGestureEndHandlers, HasGestureStartHandlers, HasKeyDownHandlers, HasKeyPressHandlers, HasKeyUpHandlers, HasMouseDownHandlers, HasMouseMoveHandlers, HasMouseOutHandlers, HasMouseOverHandlers, HasMouseUpHandlers, HasMouseWheelHandlers, HasTouchCancelHandlers, HasTouchEndHandlers, HasTouchMoveHandlers, HasTouchStartHandlers, HasAttachHandlers, HasHandlers, EventListener, Focusable, HasEnabled, HasFocus, HasVisibility, IsWidget, SourcesClickEvents, SourcesFocusEvents, SourcesKeyboardEvents, SourcesMouseEvents

Direct Known Subclasses:
  Anchor, ButtonBase, Canvas, FileUpload, ListBox, MediaBase, RichTextArea, SimpleCheckBox, ValueBoxBase

    public abstract class FocusWidget

extends Widget
implements SourcesClickEvents, HasClickHandlers, HasDoubleClickHandlers, HasFocus, HasEnabled, HasAllDragAndDropHandlers, HasAllFocusHandlers, HasAllGestureHandlers, HasAllKeyHandlers, HasAllMouseHandlers, HasAllTouchHandlers, SourcesMouseEvents

Abstract base class for most widgets that can receive keyboard focus.

Nested Class Summary

Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject
`UIObject.DebugIdImpl, UIObject.DebugIdImplEnabled`

Field Summary

Fields inherited from class com.google.gwt.user.client.ui.Widget
`eventsToSink`

Fields inherited from class com.google.gwt.user.client.ui.UIObject
`DEBUG_ID_PREFIX, MISSING_ELEMENT_ERROR, SETELEMENT_TWICE_ERROR`

Constructor Summary
`protected` | `FocusWidget()` Creates a new focus widget with no element.
`protected` | `FocusWidget(Element elem)` Creates a new focus widget that wraps the specified browser element.

Method Summary
`HandlerRegistration` | `addBlurHandler(BlurHandler handler)` Adds a `BlurEvent` handler.
`HandlerRegistration` | `addClickHandler(ClickHandler handler)` Adds a `ClickEvent` handler.
`void` | `addClickListener(ClickListener listener)` Deprecated. Use `addClickHandler(com.google.gwt.event.dom.client.ClickHandler)` instead
`HandlerRegistration` | `addDoubleClickHandler(DoubleClickHandler handler)` Adds a `DoubleClickEvent` handler.
`HandlerRegistration` | `addDragEndHandler(DragEndHandler handler)` Adds a `DragEndEvent` handler.
`HandlerRegistration` | `addDragEnterHandler(DragEnterHandler handler)` Adds a `DragEnterEvent` handler.
`HandlerRegistration` | `addDragHandler(DragHandler handler)` Adds a `DragEvent` handler.
`HandlerRegistration` | `addDragLeaveHandler(DragLeaveHandler handler)` Adds a `DragLeaveEvent` handler.
`HandlerRegistration` | `addDragOverHandler(DragOverHandler handler)` Adds a `DragOverEvent` handler.
`HandlerRegistration` | `addDragStartHandler(DragStartHandler handler)` Adds a `DragStartEvent` handler.
`HandlerRegistration` | `addDropHandler(DropHandler handler)` Adds a `DropEvent` handler.
`HandlerRegistration` | `addFocusHandler(FocusHandler handler)` Adds a `FocusEvent` handler.
`void` | `addFocusListener(FocusListener listener)` Deprecated. Use `addFocusHandler(com.google.gwt.event.dom.client.FocusHandler)` instead
`HandlerRegistration` | `addGestureChangeHandler(GestureChangeHandler handler)` Adds a `GestureChangeEvent` handler.
`HandlerRegistration` | `addGestureEndHandler(GestureEndHandler handler)` Adds a `GestureEndEvent` handler.
`HandlerRegistration` | `addGestureStartHandler(GestureStartHandler handler)` Adds a `GestureStartEvent` handler.
`void` | `addKeyboardListener(KeyboardListener listener)` Deprecated. Use `addKeyDownHandler(com.google.gwt.event.dom.client.KeyDownHandler)`, `addKeyUpHandler(com.google.gwt.event.dom.client.KeyUpHandler)` and `addKeyPressHandler(com.google.gwt.event.dom.client.KeyPressHandler)` instead
`HandlerRegistration` | `addKeyDownHandler(KeyDownHandler handler)` Adds a `KeyDownEvent` handler.
`HandlerRegistration` | `addKeyPressHandler(KeyPressHandler handler)` Adds a `KeyPressEvent` handler.
`HandlerRegistration` | `addKeyUpHandler(KeyUpHandler handler)` Adds a `KeyUpEvent` handler.
`HandlerRegistration` | `addMouseDownHandler(MouseDownHandler handler)` Adds a `MouseDownEvent` handler.
`void` | `addMouseListener(MouseListener listener)` Deprecated. Use `addMouseOverHandler(com.google.gwt.event.dom.client.MouseOverHandler)` `addMouseMoveHandler(com.google.gwt.event.dom.client.MouseMoveHandler)`, `addMouseDownHandler(com.google.gwt.event.dom.client.MouseDownHandler)`, `addMouseUpHandler(com.google.gwt.event.dom.client.MouseUpHandler)` and `addMouseOutHandler(com.google.gwt.event.dom.client.MouseOutHandler)` instead
`HandlerRegistration` | `addMouseMoveHandler(MouseMoveHandler handler)` Adds a `MouseMoveEvent` handler.
`HandlerRegistration` | `addMouseOutHandler(MouseOutHandler handler)` Adds a `MouseOutEvent` handler.
`HandlerRegistration` | `addMouseOverHandler(MouseOverHandler handler)` Adds a `MouseOverEvent` handler.
`HandlerRegistration` | `addMouseUpHandler(MouseUpHandler handler)` Adds a `MouseUpEvent` handler.
`HandlerRegistration` | `addMouseWheelHandler(MouseWheelHandler handler)` Adds a `MouseWheelEvent` handler.
`void` | `addMouseWheelListener(MouseWheelListener listener)` Deprecated. Use `addMouseWheelHandler(com.google.gwt.event.dom.client.MouseWheelHandler)` instead
`HandlerRegistration` | `addTouchCancelHandler(TouchCancelHandler handler)` Adds a `TouchCancelEvent` handler.
`HandlerRegistration` | `addTouchEndHandler(TouchEndHandler handler)` Adds a `TouchEndEvent` handler.
`HandlerRegistration` | `addTouchMoveHandler(TouchMoveHandler handler)` Adds a `TouchMoveEvent` handler.
`HandlerRegistration` | `addTouchStartHandler(TouchStartHandler handler)` Adds a `TouchStartEvent` handler.
`protected static com.google.gwt.user.client.ui.impl.FocusImpl` | `getFocusImpl()` Gets the FocusImpl instance.
`int` | `getTabIndex()` Gets the tab index.
`boolean` | `isEnabled()` Gets whether this widget is enabled.
`protected void` | `onAttach()` This method is called when a widget is attached to the browser's document.
`void` | `removeClickListener(ClickListener listener)` Deprecated. Use the `HandlerRegistration.removeHandler()` method on the object returned by `addClickHandler(com.google.gwt.event.dom.client.ClickHandler)` instead
`void` | `removeFocusListener(FocusListener listener)` Deprecated. Use the `HandlerRegistration.removeHandler()` method on the object returned by `addFocusHandler(com.google.gwt.event.dom.client.FocusHandler)` instead
`void` | `removeKeyboardListener(KeyboardListener listener)` Deprecated. Use the `HandlerRegistration.removeHandler()` method on the object returned by an add*Handler method instead
`void` | `removeMouseListener(MouseListener listener)` Deprecated. Use the `HandlerRegistration.removeHandler()` method on the object returned by an add*Handler method instead
`void` | `removeMouseWheelListener(MouseWheelListener listener)` Deprecated. Use the `HandlerRegistration.removeHandler()` method on the object returned by `addMouseWheelHandler(com.google.gwt.event.dom.client.MouseWheelHandler)` instead
`void` | `setAccessKey(char key)` Sets the widget's 'access key'.
`void` | `setEnabled(boolean enabled)` Sets whether this widget is enabled.
`void` | `setFocus(boolean focused)` Explicitly focus/unfocus this widget.
`void` | `setTabIndex(int index)` Sets the widget's position in the tab index.

Methods inherited from class com.google.gwt.user.client.ui.Widget
`addAttachHandler, addBitlessDomHandler, addDomHandler, addHandler, asWidget, asWidgetOrNull, createHandlerManager, delegateEvent, doAttachChildren, doDetachChildren, ensureHandlers, fireEvent, getHandlerCount, getHandlerManager, getLayoutData, getParent, isAttached, isOrWasAttached, onBrowserEvent, onDetach, onLoad, onUnload, removeFromParent, replaceElement, setLayoutData, setParent, sinkEvents, unsinkEvents`

Methods inherited from class com.google.gwt.user.client.ui.UIObject
`addStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, getTitle, isVisible, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, resolvePotentialElement, setElement, setElement, setHeight, setPixelSize, setSize, setStyleDependentName, setStyleName, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, sinkBitlessEvent, toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Methods inherited from interface com.google.gwt.event.shared.HasHandlers
`fireEvent`

Constructor Detail

### FocusWidget

    protected FocusWidget()

  Creates a new focus widget with no element. `UIObject.setElement(Element)` must be called before any other methods.

### FocusWidget

    protected FocusWidget(Element elem)

  Creates a new focus widget that wraps the specified browser element.

  Parameters:
    `elem` - the element to be wrapped

Method Detail

### getFocusImpl

    protected static com.google.gwt.user.client.ui.impl.FocusImpl getFocusImpl()

  Gets the FocusImpl instance.

  Returns:
    impl

### addBlurHandler

    public HandlerRegistration addBlurHandler(BlurHandler handler)

  Description copied from interface: `HasBlurHandlers`
  Adds a `BlurEvent` handler.

  Specified by:
    `addBlurHandler` in interface `HasBlurHandlers`
  Parameters:
    `handler` - the blur handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addClickHandler

    public HandlerRegistration addClickHandler(ClickHandler handler)

  Description copied from interface: `HasClickHandlers`
  Adds a `ClickEvent` handler.

  Specified by:
    `addClickHandler` in interface `HasClickHandlers`
  Parameters:
    `handler` - the click handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addClickListener

    @Deprecated
    public void addClickListener(ClickListener listener)

  Deprecated. Use `addClickHandler(com.google.gwt.event.dom.client.ClickHandler)` instead

  Description copied from interface: `SourcesClickEvents`
  Adds a listener interface to receive click events.

  Specified by:
    `addClickListener` in interface `SourcesClickEvents`
  Parameters:
    `listener` - the listener interface to add

### addDoubleClickHandler

    public HandlerRegistration addDoubleClickHandler(DoubleClickHandler handler)

  Description copied from interface: `HasDoubleClickHandlers`
  Adds a `DoubleClickEvent` handler.

  Specified by:
    `addDoubleClickHandler` in interface `HasDoubleClickHandlers`
  Parameters:
    `handler` - the double click handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addDragEndHandler

    public HandlerRegistration addDragEndHandler(DragEndHandler handler)

  Description copied from interface: `HasDragEndHandlers`
  Adds a `DragEndEvent` handler.

  Specified by:
    `addDragEndHandler` in interface `HasDragEndHandlers`
  Parameters:
    `handler` - the drag end handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addDragEnterHandler

    public HandlerRegistration addDragEnterHandler(DragEnterHandler handler)

  Description copied from interface: `HasDragEnterHandlers`
  Adds a `DragEnterEvent` handler.

  Specified by:
    `addDragEnterHandler` in interface `HasDragEnterHandlers`
  Parameters:
    `handler` - the drag end handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addDragHandler

    public HandlerRegistration addDragHandler(DragHandler handler)

  Description copied from interface: `HasDragHandlers`
  Adds a `DragEvent` handler.

  Specified by:
    `addDragHandler` in interface `HasDragHandlers`
  Parameters:
    `handler` - the drag handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addDragLeaveHandler

    public HandlerRegistration addDragLeaveHandler(DragLeaveHandler handler)

  Description copied from interface: `HasDragLeaveHandlers`
  Adds a `DragLeaveEvent` handler.

  Specified by:
    `addDragLeaveHandler` in interface `HasDragLeaveHandlers`
  Parameters:
    `handler` - the drag leave handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addDragOverHandler

    public HandlerRegistration addDragOverHandler(DragOverHandler handler)

  Description copied from interface: `HasDragOverHandlers`
  Adds a `DragOverEvent` handler.

  Specified by:
    `addDragOverHandler` in interface `HasDragOverHandlers`
  Parameters:
    `handler` - the drag over handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addDragStartHandler

    public HandlerRegistration addDragStartHandler(DragStartHandler handler)

  Description copied from interface: `HasDragStartHandlers`
  Adds a `DragStartEvent` handler.

  Specified by:
    `addDragStartHandler` in interface `HasDragStartHandlers`
  Parameters:
    `handler` - the drag start handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addDropHandler

    public HandlerRegistration addDropHandler(DropHandler handler)

  Description copied from interface: `HasDropHandlers`
  Adds a `DropEvent` handler.

  Specified by:
    `addDropHandler` in interface `HasDropHandlers`
  Parameters:
    `handler` - the drop handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addFocusHandler

    public HandlerRegistration addFocusHandler(FocusHandler handler)

  Description copied from interface: `HasFocusHandlers`
  Adds a `FocusEvent` handler.

  Specified by:
    `addFocusHandler` in interface `HasFocusHandlers`
  Parameters:
    `handler` - the focus handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addFocusListener

    @Deprecated
    public void addFocusListener(FocusListener listener)

  Deprecated. Use `addFocusHandler(com.google.gwt.event.dom.client.FocusHandler)` instead

  Description copied from interface: `SourcesFocusEvents`
  Adds a listener interface to receive focus events.

  Specified by:
    `addFocusListener` in interface `SourcesFocusEvents`
  Parameters:
    `listener` - the listener interface to add

### addGestureChangeHandler

    public HandlerRegistration addGestureChangeHandler(GestureChangeHandler handler)

  Description copied from interface: `HasGestureChangeHandlers`
  Adds a `GestureChangeEvent` handler.

  Specified by:
    `addGestureChangeHandler` in interface `HasGestureChangeHandlers`
  Parameters:
    `handler` - the gesture change handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addGestureEndHandler

    public HandlerRegistration addGestureEndHandler(GestureEndHandler handler)

  Description copied from interface: `HasGestureEndHandlers`
  Adds a `GestureEndEvent` handler.

  Specified by:
    `addGestureEndHandler` in interface `HasGestureEndHandlers`
  Parameters:
    `handler` - the gesture end handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addGestureStartHandler

    public HandlerRegistration addGestureStartHandler(GestureStartHandler handler)

  Description copied from interface: `HasGestureStartHandlers`
  Adds a `GestureStartEvent` handler.

  Specified by:
    `addGestureStartHandler` in interface `HasGestureStartHandlers`
  Parameters:
    `handler` - the gesture start handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addKeyboardListener

    @Deprecated
    public void addKeyboardListener(KeyboardListener listener)

  Deprecated. Use `addKeyDownHandler(com.google.gwt.event.dom.client.KeyDownHandler)`, `addKeyUpHandler(com.google.gwt.event.dom.client.KeyUpHandler)` and `addKeyPressHandler(com.google.gwt.event.dom.client.KeyPressHandler)` instead

  Description copied from interface: `SourcesKeyboardEvents`
  Adds a listener interface to receive keyboard events.

  Specified by:
    `addKeyboardListener` in interface `SourcesKeyboardEvents`
  Parameters:
    `listener` - the listener interface to add

### addKeyDownHandler

    public HandlerRegistration addKeyDownHandler(KeyDownHandler handler)

  Description copied from interface: `HasKeyDownHandlers`
  Adds a `KeyDownEvent` handler.

  Specified by:
    `addKeyDownHandler` in interface `HasKeyDownHandlers`
  Parameters:
    `handler` - the key down handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addKeyPressHandler

    public HandlerRegistration addKeyPressHandler(KeyPressHandler handler)

  Description copied from interface: `HasKeyPressHandlers`
  Adds a `KeyPressEvent` handler.

  Specified by:
    `addKeyPressHandler` in interface `HasKeyPressHandlers`
  Parameters:
    `handler` - the key press handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addKeyUpHandler

    public HandlerRegistration addKeyUpHandler(KeyUpHandler handler)

  Description copied from interface: `HasKeyUpHandlers`
  Adds a `KeyUpEvent` handler.

  Specified by:
    `addKeyUpHandler` in interface `HasKeyUpHandlers`
  Parameters:
    `handler` - the key up handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addMouseDownHandler

    public HandlerRegistration addMouseDownHandler(MouseDownHandler handler)

  Description copied from interface: `HasMouseDownHandlers`
  Adds a `MouseDownEvent` handler.

  Specified by:
    `addMouseDownHandler` in interface `HasMouseDownHandlers`
  Parameters:
    `handler` - the mouse down handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addMouseListener

    @Deprecated
    public void addMouseListener(MouseListener listener)

  Deprecated. Use `addMouseOverHandler(com.google.gwt.event.dom.client.MouseOverHandler)` `addMouseMoveHandler(com.google.gwt.event.dom.client.MouseMoveHandler)`, `addMouseDownHandler(com.google.gwt.event.dom.client.MouseDownHandler)`, `addMouseUpHandler(com.google.gwt.event.dom.client.MouseUpHandler)` and `addMouseOutHandler(com.google.gwt.event.dom.client.MouseOutHandler)` instead

  Description copied from interface: `SourcesMouseEvents`
  Adds a listener interface to receive mouse events.

  Specified by:
    `addMouseListener` in interface `SourcesMouseEvents`
  Parameters:
    `listener` - the listener interface to add

### addMouseMoveHandler

    public HandlerRegistration addMouseMoveHandler(MouseMoveHandler handler)

  Description copied from interface: `HasMouseMoveHandlers`
  Adds a `MouseMoveEvent` handler.

  Specified by:
    `addMouseMoveHandler` in interface `HasMouseMoveHandlers`
  Parameters:
    `handler` - the mouse move handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addMouseOutHandler

    public HandlerRegistration addMouseOutHandler(MouseOutHandler handler)

  Description copied from interface: `HasMouseOutHandlers`
  Adds a `MouseOutEvent` handler.

  Specified by:
    `addMouseOutHandler` in interface `HasMouseOutHandlers`
  Parameters:
    `handler` - the mouse out handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addMouseOverHandler

    public HandlerRegistration addMouseOverHandler(MouseOverHandler handler)

  Description copied from interface: `HasMouseOverHandlers`
  Adds a `MouseOverEvent` handler.

  Specified by:
    `addMouseOverHandler` in interface `HasMouseOverHandlers`
  Parameters:
    `handler` - the mouse over handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addMouseUpHandler

    public HandlerRegistration addMouseUpHandler(MouseUpHandler handler)

  Description copied from interface: `HasMouseUpHandlers`
  Adds a `MouseUpEvent` handler.

  Specified by:
    `addMouseUpHandler` in interface `HasMouseUpHandlers`
  Parameters:
    `handler` - the mouse up handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addMouseWheelHandler

    public HandlerRegistration addMouseWheelHandler(MouseWheelHandler handler)

  Description copied from interface: `HasMouseWheelHandlers`
  Adds a `MouseWheelEvent` handler.

  Specified by:
    `addMouseWheelHandler` in interface `HasMouseWheelHandlers`
  Parameters:
    `handler` - the mouse wheel handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addMouseWheelListener

    @Deprecated
    public void addMouseWheelListener(MouseWheelListener listener)

  Deprecated. Use `addMouseWheelHandler(com.google.gwt.event.dom.client.MouseWheelHandler)` instead

### addTouchCancelHandler

    public HandlerRegistration addTouchCancelHandler(TouchCancelHandler handler)

  Description copied from interface: `HasTouchCancelHandlers`
  Adds a `TouchCancelEvent` handler.

  Specified by:
    `addTouchCancelHandler` in interface `HasTouchCancelHandlers`
  Parameters:
    `handler` - the touch cancel handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addTouchEndHandler

    public HandlerRegistration addTouchEndHandler(TouchEndHandler handler)

  Description copied from interface: `HasTouchEndHandlers`
  Adds a `TouchEndEvent` handler.

  Specified by:
    `addTouchEndHandler` in interface `HasTouchEndHandlers`
  Parameters:
    `handler` - the touch end handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addTouchMoveHandler

    public HandlerRegistration addTouchMoveHandler(TouchMoveHandler handler)

  Description copied from interface: `HasTouchMoveHandlers`
  Adds a `TouchMoveEvent` handler.

  Specified by:
    `addTouchMoveHandler` in interface `HasTouchMoveHandlers`
  Parameters:
    `handler` - the touch move handler
  Returns:
    `HandlerRegistration` used to remove this handler

### addTouchStartHandler

    public HandlerRegistration addTouchStartHandler(TouchStartHandler handler)

  Description copied from interface: `HasTouchStartHandlers`
  Adds a `TouchStartEvent` handler.

  Specified by:
    `addTouchStartHandler` in interface `HasTouchStartHandlers`
  Parameters:
    `handler` - the touch start handler
  Returns:
    `HandlerRegistration` used to remove this handler

### getTabIndex

    public int getTabIndex()

  Gets the tab index.

  Specified by:
    `getTabIndex` in interface `Focusable`
  Returns:
    the tab index

### isEnabled

    public boolean isEnabled()

  Gets whether this widget is enabled.

  Specified by:
    `isEnabled` in interface `HasEnabled`
  Returns:
    `true` if the widget is enabled

### removeClickListener

    @Deprecated
    public void removeClickListener(ClickListener listener)

  Deprecated. Use the `HandlerRegistration.removeHandler()` method on the object returned by `addClickHandler(com.google.gwt.event.dom.client.ClickHandler)` instead

  Description copied from interface: `SourcesClickEvents`
  Removes a previously added listener interface.

  Specified by:
    `removeClickListener` in interface `SourcesClickEvents`
  Parameters:
    `listener` - the listener interface to remove

### removeFocusListener

    @Deprecated
    public void removeFocusListener(FocusListener listener)

  Deprecated. Use the `HandlerRegistration.removeHandler()` method on the object returned by `addFocusHandler(com.google.gwt.event.dom.client.FocusHandler)` instead

  Description copied from interface: `SourcesFocusEvents`
  Removes a previously added listener interface.

  Specified by:
    `removeFocusListener` in interface `SourcesFocusEvents`
  Parameters:
    `listener` - the listener interface to remove

### removeKeyboardListener

    @Deprecated
    public void removeKeyboardListener(KeyboardListener listener)

  Deprecated. Use the `HandlerRegistration.removeHandler()` method on the object returned by an add*Handler method instead

  Description copied from interface: `SourcesKeyboardEvents`
  Removes a previously added listener interface.

  Specified by:
    `removeKeyboardListener` in interface `SourcesKeyboardEvents`
  Parameters:
    `listener` - the listener interface to remove

### removeMouseListener

    @Deprecated
    public void removeMouseListener(MouseListener listener)

  Deprecated. Use the `HandlerRegistration.removeHandler()` method on the object returned by an add*Handler method instead

  Description copied from interface: `SourcesMouseEvents`
  Removes a previously added listener interface.

  Specified by:
    `removeMouseListener` in interface `SourcesMouseEvents`
  Parameters:
    `listener` - the listener interface to remove

### removeMouseWheelListener

    @Deprecated
    public void removeMouseWheelListener(MouseWheelListener listener)

  Deprecated. Use the `HandlerRegistration.removeHandler()` method on the object returned by `addMouseWheelHandler(com.google.gwt.event.dom.client.MouseWheelHandler)` instead

### setAccessKey

    public void setAccessKey(char key)

  Description copied from interface: `Focusable`
  Sets the widget's 'access key'. This key is used (in conjunction with a browser-specific modifier key) to automatically focus the widget.

  Specified by:
    `setAccessKey` in interface `Focusable`
  Parameters:
    `key` - the widget's access key

### setEnabled

    public void setEnabled(boolean enabled)

  Sets whether this widget is enabled.

  Specified by:
    `setEnabled` in interface `HasEnabled`
  Parameters:
    `enabled` - `true` to enable the widget, `false` to disable it

### setFocus

    public void setFocus(boolean focused)

  Description copied from interface: `Focusable`
  Explicitly focus/unfocus this widget. Only one widget can have focus at a time, and the widget that does will receive all keyboard events.

  Specified by:
    `setFocus` in interface `Focusable`
  Parameters:
    `focused` - whether this widget should take focus or release it

### setTabIndex

    public void setTabIndex(int index)

  Description copied from interface: `Focusable`
  Sets the widget's position in the tab index. If more than one widget has the same tab index, each such widget will receive focus in an arbitrary order. Setting the tab index to `-1` will cause this widget to be removed from the tab order.

  Specified by:
    `setTabIndex` in interface `Focusable`
  Parameters:
    `index` - the widget's tab index

### onAttach

    protected void onAttach()

  Description copied from class: `Widget`

  This method is called when a widget is attached to the browser's document. To receive notification after a Widget has been added to the document, override the `Widget.onLoad()` method or use `Widget.addAttachHandler(com.google.gwt.event.logical.shared.AttachEvent.Handler)`.

  It is strongly recommended that you override `Widget.onLoad()` or `Widget.doAttachChildren()` instead of this method to avoid inconsistencies between logical and physical attachment states.

  Subclasses that override this method must call `super.onAttach()` to ensure that the Widget has been attached to its underlying Element.

  Overrides:
    `onAttach` in class `Widget`
  See Also:
    `Widget.onLoad()`, `Widget.doAttachChildren()`

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| GWT 2.7.0
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