---

/include/GewiEngine.h

Go to the documentation of this file.

/*******************************************************************************
            This file is Part of the Gewi GUI Library for ZEngine.
             Gewi and ZEngine Copyright (C) 2002, 2003 James Turk

            Licensed under a BSD-style license. (see licensing.txt)

    The maintainer of this library is James Turk (james@conceptofzero.net) 
  this library is found at the home of ZEngine http://zengine.sourceforge.net
*******************************************************************************/

#ifndef __gewiengine_h__
#define __gewiengine_h__

#include "GewiIncludes.h"
#include "GewiWidgetList.h"


namespace Gewi
{


class GewiEngine
{
    public:
        static VersionInfo Version;
        static VersionInfo MinZEVersion;

    private:
        static GewiEngine *sInstance;
        std::vector<ZE::ZImage*> mImageVec;
        std::vector<ZE::ZFont*> mFontVec;
        WidgetList mWidgetList;

    //singleton setup//
    private:
        GewiEngine();

    public:
        static const ResourceID InvalidID = UINT_MAX;    //UINT_MAX b/c many compilers don't like numeric_limits
        
        static GewiEngine* GetInstance();

        static void ReleaseInstance();

    //utilities//

        static int EventFilter(SDL_Event *event);

        static char TranslateKey(SDL_keysym key);

        void Display();

    //resource management//

        ResourceID AddResource(ZE::ZImage *image);

        ResourceID AddResource(ZE::ZFont *font);

        ZE::ZImage* Image(ResourceID id);

        ZE::ZFont* Font(ResourceID id);

        void FreeResources();

    //widget management//
    private:
        void InsertWidget(WidgetNode *node);

    public:
        void Register(GWidget *widget);

        void SendMessage(SDL_Event *rawEvent, GewiEvent event, Uint16 mouseX, Uint16 mouseY, char ch);

        void DeleteWidget(GWidget *widget);
};

}

#endif //__gewiengine_h__

---