/*
 * Copyright 2010, Haiku Inc.
 * Authors:
 *              Philippe Houdoin <phoudoin %at% haiku-os %dot% org>
 *
 * Distributed under the terms of the MIT License.
 */
#ifndef GLUT_GAME_MODE_H
#define GLUT_GAME_MODE_H

#include <GL/glut.h>
#include <Screen.h>


/*!     All information needed for game mode and
        subwindows (handled as similarly as possible).
*/
class GlutGameMode {
public:
                                GlutGameMode();
        virtual         ~GlutGameMode();

        status_t        Set(const char* modeString);

        status_t        Enter();
        status_t        Leave();

        bool            IsActive() const                                { return fActive; }
        bool            IsPossible();
        bool            HasDisplayChanged() const               { return fDisplayChanged; }

        int                     Width() const                                   { return fWidth; }
        int                     Height() const                                  { return fHeight; }
        int                     PixelDepth() const                              { return fPixelDepth; }
        int                     RefreshRate() const                             { return fRefreshRate; }

private:
        display_mode*   _FindMatchingMode();

        static int              _CompareModes(const void* mode1, const void* mode2);
        static int              _GetModeRefreshRate(const display_mode* mode);
        static int              _GetModePixelDepth(const display_mode* mode);

        bool                    fActive;
        bool                    fDisplayChanged;
        int                             fWidth;
        int                             fHeight;
        int                             fPixelDepth;
        int                             fRefreshRate;
        display_mode*   fModesList;
        uint32                  fModesCount;
        display_mode    fOriginalMode;
        int                             fGameModeWorkspace;
        display_mode    fCurrentMode;
        int                             fGameModeWindow;
        int                             fPreviousWindow;

};

#endif  // GLUT_GAME_MODE_H