/* * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved. * 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. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.awt; import java.awt.event.FocusEvent;import java.awt.Component; /** * This class represents FocusEvents with a known "cause" - reason why this event happened. It can * be mouse press, traversal, activation, and so on - all causes are described as Cause enum. The * event with the cause can be constructed in two ways - explicitly through constructor of * CausedFocusEvent class or implicitly, by calling appropriate requestFocusXXX method with "cause" * parameter. The default cause is UNKNOWN. */public class CausedFocusEvent extends FocusEvent { public enum Cause { UNKNOWN, MOUSE_EVENT, TRAVERSAL, TRAVERSAL_UP, TRAVERSAL_DOWN, TRAVERSAL_FORWARD, TRAVERSAL_BACKWARD, MANUAL_REQUEST, AUTOMATIC_TRAVERSE, ROLLBACK, NATIVE_SYSTEM, ACTIVATION, CLEAR_GLOBAL_FOCUS_OWNER, RETARGETED }; private final Cause cause; public Cause getCause() { return cause; } public String toString() { return "java.awt.FocusEvent[" + super.paramString() + ",cause=" + cause + "] on " + getSource(); } public CausedFocusEvent(Component source, int id, boolean temporary, Component opposite, Cause cause) { super(source, id, temporary, opposite); if (cause == null) { cause = Cause.UNKNOWN; } this.cause = cause; } /** * Retargets the original focus event to the new target. If the * original focus event is CausedFocusEvent, it remains such and * cause is copied. Otherwise, new CausedFocusEvent is created, * with cause as RETARGETED. * @return retargeted event, or null if e is null */ public static FocusEvent retarget(FocusEvent e, Component newSource) { if (e == null) return null; return new CausedFocusEvent(newSource, e.getID(), e.isTemporary(), e.getOppositeComponent(), (e instanceof CausedFocusEvent) ? ((CausedFocusEvent)e).getCause() : Cause.RETARGETED); }}
/*
* Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved.
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.awt;
import java.awt.event.FocusEvent;
import java.awt.Component;
/**
* This class represents FocusEvents with a known "cause" - reason why this event happened. It can
* be mouse press, traversal, activation, and so on - all causes are described as Cause enum. The
* event with the cause can be constructed in two ways - explicitly through constructor of
* CausedFocusEvent class or implicitly, by calling appropriate requestFocusXXX method with "cause"
* parameter. The default cause is UNKNOWN.
*/
public class CausedFocusEvent extends FocusEvent {
public enum Cause {
UNKNOWN,
MOUSE_EVENT,
TRAVERSAL,
TRAVERSAL_UP,
TRAVERSAL_DOWN,
TRAVERSAL_FORWARD,
TRAVERSAL_BACKWARD,
MANUAL_REQUEST,
AUTOMATIC_TRAVERSE,
ROLLBACK,
NATIVE_SYSTEM,
ACTIVATION,
CLEAR_GLOBAL_FOCUS_OWNER,
RETARGETED
};
private final Cause cause;
public Cause getCause() {
return cause;
}
public String toString() {
return "java.awt.FocusEvent[" + super.paramString() + ",cause=" + cause + "] on " + getSource();
}
public CausedFocusEvent(Component source, int id, boolean temporary,
Component opposite, Cause cause) {
super(source, id, temporary, opposite);
if (cause == null) {
cause = Cause.UNKNOWN;
}
this.cause = cause;
}
/**
* Retargets the original focus event to the new target. If the
* original focus event is CausedFocusEvent, it remains such and
* cause is copied. Otherwise, new CausedFocusEvent is created,
* with cause as RETARGETED.
* @return retargeted event, or null if e is null
*/
public static FocusEvent retarget(FocusEvent e, Component newSource) {
if (e == null) return null;
return new CausedFocusEvent(newSource, e.getID(), e.isTemporary(), e.getOppositeComponent(),
(e instanceof CausedFocusEvent) ? ((CausedFocusEvent)e).getCause() : Cause.RETARGETED);
}
}