text: // MIT License
  // 
  // Copyright (c) 2018 EkkoZ
  // 
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  // 
  // The above copyright notice and this permission notice shall be included in all
  // copies or substantial portions of the Software.
  // 
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  // SOFTWARE.
  // 
  
  #pragma once
  
  #include <cstdint>
  
  #include "Ek/Gfx/Keyboard.hpp"
  #include "Ek/Gfx/Mouse.hpp"
  
  namespace ek
  {
    class Event
    {
    public:
      struct ResizeEvent
      {
        std::uint16_t width;
        std::uint16_t height;
      };
  
      struct KeyEvent
      {
        ek::Keyboard::Key code;
        bool alt;
        bool control;
        bool shift;
        bool system;
      };
  
      struct MouseMoveEvent
      {
        std::uint16_t x;
        std::uint16_t y;
      };
  
      struct MouseButtonEvent
      {
        ek::Mouse::Button button;
        std::uint16_t x;
        std::uint16_t y;
      };
  
      struct MouseWheelScrollEvent
      {
        ek::Mouse::Wheel wheel;
        float delta;
        std::uint16_t x;
        std::uint16_t y;
      };
  
      enum EventType
      {
        Closed,
        Resized,
        KeyPressed,
        KeyReleased,
        MouseWheelScrolled,
        MouseButtonPressed,
        MouseButtonReleased,
        MouseMoved,
        MouseEntered,
        MouseLeft,
        Count
      };
  
      EventType type;
  
      union
      {
        ResizeEvent size;
        KeyEvent key;
        MouseMoveEvent mouseMove;
        MouseButtonEvent mouseButton;
        MouseWheelScrollEvent mouseWheelScroll;
      };
    };
  };