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+/*
+ * The ManaPlus Client
+ * Copyright (C) 2011-2014 The ManaPlus Developers
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * This program 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 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* _______ __ __ __ ______ __ __ _______ __ __
+ * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
+ * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
+ * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
+ *
+ *
+ * Per Larsson a.k.a finalman
+ * Olof Naessén a.k.a jansem/yakslem
+ *
+ * Visit: http://guichan.sourceforge.net
+ *
+ * License: (BSD)
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name of Guichan nor the names of its contributors may
+ * be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef EVENTS_ACTIONEVENT_HPP
+#define EVENTS_ACTIONEVENT_HPP
+
+#include "gui/base/event.hpp"
+
+#include <string>
+
+#include "localconsts.h"
+
+namespace GCN
+{
+ class Widget;
+}
+
+/**
+ * Represents an action event. An action event is an event
+ * that can be fired by a widget whenever an action has occured.
+ * What exactly an action is is up to the widget that fires
+ * the action event. An example is a Button which fires an action
+ * event as soon as the Button is clicked, another example is
+ * TextField which fires an action event as soon as the enter
+ * key is pressed.
+ *
+ * Any object can listen for actions from widgets by implementing
+ * the ActionListener interface.
+ *
+ * If you have implement a widget of your own it's a good idea to
+ * let the widget fire action events whenever you feel an action
+ * has occured so action listeners of the widget can be informed
+ * of the state of the widget.
+ *
+ * @see Widget::addActionListener, Widget::removeActionListener,
+ * Widget::distributeActionEvent
+ * @author Olof Naessén
+ * @since 0.6.0
+ */
+class ActionEvent final : public gcn::Event
+{
+ public:
+ /**
+ * Constructor.
+ *
+ * @param source The source widget of the event.
+ * @param id An identifier of the event.
+ */
+ ActionEvent(gcn::Widget *const source, const std::string &id) :
+ gcn::Event(source),
+ mId(id)
+ {
+ }
+
+ /**
+ * Destructor.
+ */
+ virtual ~ActionEvent()
+ { }
+
+ /**
+ * Gets the identifier of the event. An identifier can
+ * be used to distinguish from two actions from the same
+ * widget or to let many widgets fire the same widgets
+ * that should be treated equally.
+ *
+ * @return The identifier of the event.
+ */
+ const std::string &getId() const A_WARN_UNUSED
+ { return mId; }
+
+ protected:
+ /**
+ * Holds the identifier of the event.
+ */
+ std::string mId;
+};
+
+#endif // EVENTS_ACTIONEVENT_HPP