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/*
* Aethyra
* Copyright (C) 2004 The Mana World Development Team
*
* This file is part of Aethyra based on original code
* from The Mana World.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef FOCUSHANDLER_H
#define FOCUSHANDLER_H
#include <list>
#include <guichan/focushandler.hpp>
/**
* The focus handler. This focus handler does exactly the same as the Guichan
* focus handler, but keeps a stack of modal widgets to be able to handle
* multiple modal focus requests.
*/
class FocusHandler : public gcn::FocusHandler
{
public:
/**
* Sets modal focus to a widget. When there is already a modal widget
* then that widget loses modal focus and will regain it after this
* widget releases his modal focus.
*/
void requestModalFocus(gcn::Widget *widget);
/**
* Releases modal focus of a widget. When this widget had modal focus
* and there are other widgets that had also requested modal focus,
* then modal focus will be transfered to the last of those.
*/
void releaseModalFocus(gcn::Widget *widget);
/**
* Removes a widget from the focus handler. Also makes sure no dangling
* pointers remain in modal focus stack.
*/
void remove(gcn::Widget *widget);
private:
/**
* Stack of widgets that have requested modal forcus.
*/
std::list<gcn::Widget*> mModalStack;
};
#endif
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