#ifndef BWIDGETS_FOCUS_HANDLER_HPP
#define BWIDGETS_FOCUS_HANDLER_HPP

struct SDL_Rect;

namespace bwidgets
{
    class FocusHandler
    {
    protected:
        const SDL_Rect* _focus_area = nullptr;
        bool            _has_focus  = false;

        virtual void _handle_focus_change(bool) = 0;

    public:
        virtual ~FocusHandler() = default;

        virtual inline void focus(bool focus) final
        {
            _handle_focus_change(focus);
            _has_focus = focus;
        }
    };
}

#endif