- Your Widget Set For OpenGL

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udisplay.hpp

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

    file              : include/ufo/udisplay.hpp
    begin             : Sat Nov 23 2002
    $Id: udisplay.hpp,v 1.10 2005/05/21 15:17:35 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 UDISPLAY_HPP
#define UDISPLAY_HPP

#include "uobject.hpp"
#include "events/uevent.hpp"
#include "events/ukeysym.hpp"

#include <vector>

namespace ufo {

class UContext;
class UImage;
class UImageIO;
class UVolatileData;

class UFO_EXPORT UDisplay : public UObject {
    UFO_DECLARE_ABSTRACT_CLASS(UDisplay)
public: // Public methods
    virtual std::vector<UContext*> getContexts() const = 0;

    virtual UImage * createImage(const std::string fileName) = 0;
    virtual UImage * createImage(UImageIO * io) = 0;

    virtual void addVolatileData(UVolatileData * vdata) = 0;
    virtual void removeVolatileData(UVolatileData * vdata) = 0;
public: // event methods
    virtual void pumpEvents() = 0;

    virtual void pushEvent(UEvent * e) = 0;

    virtual bool dispatchEvent(UEvent * e) = 0;

    virtual bool dispatchEvents(unsigned int nevents) = 0;

    virtual bool dispatchEvents() = 0;

    virtual UEvent * getCurrentEvent() const = 0;

    virtual int getEventCount() const = 0;


    virtual UEvent * peekEvent() const = 0;
    virtual UEvent * peekEvent(UEvent::Type type) const = 0;

    virtual UEvent * pollEvent() = 0;

public:
    virtual UMod_t getModState() const = 0;

    virtual UMod_t getMouseState(int * x, int * y) const = 0;

public: // Public static methods
    static UDisplay * getDefault();

protected: // Protected methods
    static void setDefault(UDisplay * defaultDisplay);

private: // Private attributes
    static UDisplay * m_default;
};

//
// inline implementation
//

inline UDisplay *
UDisplay::getDefault() {
    return m_default;
}

inline void
UDisplay::setDefault(UDisplay * defaultDisplay) {
    m_default = defaultDisplay;
}

} // namespace ufo

#endif // UDISPLAY_HPP

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