https://openjdk.java.net/ 
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package java.awt;

interface EventFilter {

    
Enumeration for possible values for acceptEvent(AWTEvent ev) method.

See Also:
  • pumpEventsForFilter.pumpEventsForFilter
/**
     * Enumeration for possible values for <code>acceptEvent(AWTEvent ev)</code> method.
     * @see EventDispatchThread#pumpEventsForFilter
     */
    static enum FilterAction {
        
ACCEPT means that this filter do not filter the event and allowes other
active filters to proceed it. If all the active filters accept the event, it
is dispatched by the EventDispatchThread

See Also:
  • pumpEventsForFilter.pumpEventsForFilter
/**
         * ACCEPT means that this filter do not filter the event and allowes other
         * active filters to proceed it. If all the active filters accept the event, it
         * is dispatched by the <code>EventDispatchThread</code>
         * @see EventDispatchThread#pumpEventsForFilter
         */
        ACCEPT,
        
REJECT means that this filter filter the event. No other filters are queried,
and the event is not dispatched by the EventDispatchedThread

See Also:
  • pumpEventsForFilter.pumpEventsForFilter
/**
         * REJECT means that this filter filter the event. No other filters are queried,
         * and the event is not dispatched by the <code>EventDispatchedThread</code>
         * @see EventDispatchThread#pumpEventsForFilter
         */
        REJECT,
        
ACCEPT_IMMEDIATELY means that this filter do not filter the event, no other
filters are queried and to proceed it, and it is dispatched by the
EventDispatchThread
It is not recommended to use ACCEPT_IMMEDIATELY as there may be some active
filters not queried yet that do not accept this event. It is primarily used
by modal filters.

See Also:
/**
         * ACCEPT_IMMEDIATELY means that this filter do not filter the event, no other
         * filters are queried and to proceed it, and it is dispatched by the
         * <code>EventDispatchThread</code>
         * It is not recommended to use ACCEPT_IMMEDIATELY as there may be some active
         * filters not queried yet that do not accept this event. It is primarily used
         * by modal filters.
         * @see EventDispatchThread#pumpEventsForFilter
         * @see ModalEventFilter
         */
        ACCEPT_IMMEDIATELY
    };

    FilterAction acceptEvent(AWTEvent ev);
}