devices/Cursor.h

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#ifndef SDL_DEVICES_CURSOR_H
#define SDL_DEVICES_CURSOR_H

#include <stdexcept>

#include <SDL.h>

#include "sdlpp/misc/Rect.h"
#include "sdlpp/misc/Coordinate.h"

namespace sdl {
namespace devices {
    using namespace std;
    using namespace misc;

    class Cursor {
        public:
            Cursor () : cursor_ (SDL_GetCursor ()) {
                if (cursor_ == NULL)
                    throw runtime_error ("Unable to get system cursor.");
            };

            Cursor (unsigned char* data, unsigned char* mask, const Rect& rect, const Coordinate<int>& pos)
                : cursor_ (SDL_CreateCursor (data, mask, 
                                             rect.width (), rect.height (),
                                             pos.x (), pos.y ())) {
                if (cursor_ == NULL)
                    throw runtime_error ("Failed to create the Cursor.");
            };

            ~Cursor () { SDL_FreeCursor (cursor_); };

            void move (const Coordinate<short>& pos) { SDL_WarpMouse (pos.x (), pos.y ()); };

            bool show () { return SDL_ShowCursor (SDL_ENABLE) == SDL_ENABLE; };

            bool hide () { return SDL_ShowCursor (SDL_DISABLE) == SDL_DISABLE; };

            bool isVisible () { return SDL_ShowCursor (SDL_QUERY) == SDL_ENABLE; };

            bool toggle () {
                return isVisible () ? SDL_ShowCursor (SDL_DISABLE) == SDL_DISABLE : SDL_ShowCursor (SDL_ENABLE) == SDL_ENABLE;
            };

            void activate () { SDL_SetCursor (cursor_); };

            void redraw () { SDL_SetCursor (NULL); }; 

        private:
            Cursor (const Cursor& rhs);

            Cursor& operator= (const Cursor& rhs);

            /*
             * The system pointer.
             */
            SDL_Cursor* cursor_;
    }; //Cursor
}; //devices
}; //sdl

#endif //SDL_DEVICES_CURSOR_H