// This Source Code is in the Public Domain per: http://unlicense.org
package org.litesoft.GWT.client.widgets;

import org.litesoft.core.util.*;

import com.google.gwt.event.dom.client.*;
import com.google.gwt.event.shared.*;

public interface IFocusWidget extends Enableable
{
    public HandlerRegistration addFocusHandler( FocusHandler handler );

    public HandlerRegistration addBlurHandler( BlurHandler handler );

    /**
     * Explicitly focus/unfocus this widget. Only one widget can have focus at a
     * time, and the widget that does will receive all keyboard events.
     *
     * @param focused whether this widget should take focus or release it
     */
    public void setFocus( boolean focused );
}