Handle a complete text input, drawing, handling events (such as copy/paste), and text keeping

• TextInput()
• ~TextInput()
• TextInput& operator=(const TextInput&)

• bool collide(SDL_Event*) const
• bool collide(int, int) const
• TTF_Font* get_font() const
• bool is_empty() const

• void set_position(int, int)
• void set_text_size(int, int)
• void set_font(TTF_Font*)

• int draw(Screen*) override
• int update(SDL_Event*, Screen*) override
• void update_image(Screen*)
• void flush(Screen*)