- Your Widget Set For OpenGL

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umenumanager.hpp

/***************************************************************************
    LibUFO - UI For OpenGL
    copyright         : (C) 2001-2005 by Johannes Schmidt
    email             : schmidtjf at users.sourceforge.net
                             -------------------

    file              : include/ufo/umenumanager.hpp
    begin             : Sun Dec 14 2003
    $Id: umenumanager.hpp,v 1.6 2005/06/21 09:27:03 schmidtjf Exp $
 ***************************************************************************/

/***************************************************************************
 *  This library is free software; you can redistribute it and/or          *
 * modify it under the terms of the GNU Lesser General Public              *
 * License as published by the Free Software Foundation; either            *
 * version 2.1 of the License, or (at your option) any later version.      *
 *                                                                         *
 * This library 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       *
 * Lesser General Public License for more details.                         *
 *                                                                         *
 * You should have received a copy of the GNU Lesser General Public        *
 * License along with this library; if not, write to the Free Software     *
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
 ***************************************************************************/

#ifndef UMENUMANAGER_HPP
#define UMENUMANAGER_HPP

#include "uobject.hpp"

#include <vector>

namespace ufo {

class UMenuItem;
class UMenu;
class UEvent;

class UKeyEvent;
class UMouseEvent;

class UFO_EXPORT UMenuManager : public UObject {
    UFO_DECLARE_DYNAMIC_CLASS(UMenuManager)
public:
    UMenuManager();

    virtual void highlightItem(UMenuItem * item);
    virtual void activateItem(UMenuItem * item);

    virtual void clearPath();

    virtual void processKeyEvent(UKeyEvent * e);
    virtual void processMouseEvent(UMouseEvent * e);

public: // Public static methods
    static void setMenuManager(UMenuManager * manager);
    static UMenuManager * getMenuManager();

protected: // Private slots
    std::vector<UMenu*>::iterator getIteratorOfSameHierarchy(UMenuItem * item);
    void clearPathFrom(const std::vector<UMenu*>::iterator & iter);
    void closeMenuPopups(UEvent * e);

    void openMenu(UMenu * menu);

    void recalcPathWithLeaf(UMenuItem * item);

    void highlightNextSibling(UMenuItem * item);
    void highlightPreviousSibling(UMenuItem * item);
    void highlightNextTopLevel(UMenuItem * item);
    void highlightPreviousTopLevel(UMenuItem * item);

private:
    std::vector<UMenu*> m_menuPath;
    UMenuItem * m_currentItem;

private: // Private static attributes
    static UMenuManager * sm_menuManager;
};

//
// inline implementation
//

inline UMenuManager *
UMenuManager::getMenuManager() {
    return sm_menuManager;
}

} // namespace ufo

#endif // UMENUMANAGER_HPP

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