text: 
  #ifndef EGE_KEYBOARD_KEY_HXX
  #define EGE_KEYBOARD_KEY_HXX
  
  namespace ege
  {
      namespace keyboard
      {
          /**
           * \brief The enumeration of keyboard's keys.
           * */
          enum class Key: unsigned int
          {
              SPACE           = 32,
              APOSTROPHE      = 39,
              COMMA           = 44,
              MINUS           = 45,
              PERIOD          = 46,
              SLASH           = 47,
              NUM_0           = 48,
              NUM_1           = 49,
              NUM_2           = 50,
              NUM_3           = 51,
              NUM_4           = 52,
              NUM_5           = 53,
              NUM_6           = 54,
              NUM_7           = 55,
              NUM_8           = 56,
              NUM_9           = 57,
              SEMICOLON       = 59,
              EQUAL           = 61,
              A               = 65,
              B               = 66,
              C               = 67,
              D               = 68,
              E               = 69,
              F               = 70,
              G               = 71,
              H               = 72,
              I               = 73,
              J               = 74,
              K               = 75,
              L               = 76,
              M               = 77,
              N               = 78,
              O               = 79,
              P               = 80,
              Q               = 81,
              R               = 82,
              S               = 83,
              T               = 84,
              U               = 85,
              V               = 86,
              W               = 87,
              X               = 88,
              Y               = 89,
              Z               = 90,
              LEFT_BRACKET    = 91,
              BACKSLASH       = 92,
              RIGHT_BRACKET   = 93,
              GRAVE_ACCENT    = 96,
              WORLD_1         = 161,
              WORLD_2         = 162,
              ESCAPE          = 256,
              ENTER           = 257,
              TAB             = 258,
              BACKSPACE       = 259,
              INSERT          = 260,
              DELETE          = 261,
              RIGHT           = 262,
              LEFT            = 263,
              DOWN            = 264,
              UP              = 265,
              PAGE_UP         = 266,
              PAGE_DOWN       = 267,
              HOME            = 268,
              END             = 269,
              CAPS_LOCK       = 280,
              SCROLL_LOCK     = 281,
              NUM_LOCK        = 282,
              PRINT_SCREEN    = 283,
              PAUSE           = 284,
              F1              = 290,
              F2              = 291,
              F3              = 292,
              F4              = 293,
              F5              = 294,
              F6              = 295,
              F7              = 296,
              F8              = 297,
              F9              = 298,
              F10             = 299,
              F11             = 300,
              F12             = 301,
              F13             = 302,
              F14             = 303,
              F15             = 304,
              F16             = 305,
              F17             = 306,
              F18             = 307,
              F19             = 308,
              F20             = 309,
              F21             = 310,
              F22             = 311,
              F23             = 312,
              F24             = 313,
              F25             = 314,
              KP_0            = 320,
              KP_1            = 321,
              KP_2            = 322,
              KP_3            = 323,
              KP_4            = 324,
              KP_5            = 325,
              KP_6            = 326,
              KP_7            = 327,
              KP_8            = 328,
              KP_9            = 329,
              KP_DECIMAL      = 330,
              KP_DIVIDE       = 331,
              KP_MULTIPLY     = 332,
              KP_SUBTRACT     = 333,
              KP_ADD          = 334,
              KP_ENTER        = 335,
              KP_EQUAL        = 336,
              LEFT_SHIFT      = 340,
              LEFT_CONTROL    = 341,
              LEFT_ALT        = 342,
              LEFT_SUPER      = 343,
              RIGHT_SHIFT     = 344,
              RIGHT_CONTROL   = 345,
              RIGHT_ALT       = 346,
              RIGHT_SUPER     = 347,
              MENU            = 348
          };
      }
  }
  
  #endif
  