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Keyboard keys
Input handling

## Macros

#define | GLFW_KEY_UNKNOWN -1
#define | GLFW_KEY_SPACE 32
#define | GLFW_KEY_APOSTROPHE 39 /* ' */
#define | GLFW_KEY_COMMA 44 /* , */
#define | GLFW_KEY_MINUS 45 /* - */
#define | GLFW_KEY_PERIOD 46 /* . */
#define | GLFW_KEY_SLASH 47 /* / */
#define | GLFW_KEY_0 48
#define | GLFW_KEY_1 49
#define | GLFW_KEY_2 50
#define | GLFW_KEY_3 51
#define | GLFW_KEY_4 52
#define | GLFW_KEY_5 53
#define | GLFW_KEY_6 54
#define | GLFW_KEY_7 55
#define | GLFW_KEY_8 56
#define | GLFW_KEY_9 57
#define | GLFW_KEY_SEMICOLON 59 /* ; */
#define | GLFW_KEY_EQUAL 61 /* = */
#define | GLFW_KEY_A 65
#define | GLFW_KEY_B 66
#define | GLFW_KEY_C 67
#define | GLFW_KEY_D 68
#define | GLFW_KEY_E 69
#define | GLFW_KEY_F 70
#define | GLFW_KEY_G 71
#define | GLFW_KEY_H 72
#define | GLFW_KEY_I 73
#define | GLFW_KEY_J 74
#define | GLFW_KEY_K 75
#define | GLFW_KEY_L 76
#define | GLFW_KEY_M 77
#define | GLFW_KEY_N 78
#define | GLFW_KEY_O 79
#define | GLFW_KEY_P 80
#define | GLFW_KEY_Q 81
#define | GLFW_KEY_R 82
#define | GLFW_KEY_S 83
#define | GLFW_KEY_T 84
#define | GLFW_KEY_U 85
#define | GLFW_KEY_V 86
#define | GLFW_KEY_W 87
#define | GLFW_KEY_X 88
#define | GLFW_KEY_Y 89
#define | GLFW_KEY_Z 90
#define | GLFW_KEY_LEFT_BRACKET 91 /* [ */
#define | GLFW_KEY_BACKSLASH 92 /* \ */
#define | GLFW_KEY_RIGHT_BRACKET 93 /* ] */
#define | GLFW_KEY_GRAVE_ACCENT 96 /* ` */
#define | GLFW_KEY_WORLD_1 161 /* non-US #1 */
#define | GLFW_KEY_WORLD_2 162 /* non-US #2 */
#define | GLFW_KEY_ESCAPE 256
#define | GLFW_KEY_ENTER 257
#define | GLFW_KEY_TAB 258
#define | GLFW_KEY_BACKSPACE 259
#define | GLFW_KEY_INSERT 260
#define | GLFW_KEY_DELETE 261
#define | GLFW_KEY_RIGHT 262
#define | GLFW_KEY_LEFT 263
#define | GLFW_KEY_DOWN 264
#define | GLFW_KEY_UP 265
#define | GLFW_KEY_PAGE_UP 266
#define | GLFW_KEY_PAGE_DOWN 267
#define | GLFW_KEY_HOME 268
#define | GLFW_KEY_END 269
#define | GLFW_KEY_CAPS_LOCK 280
#define | GLFW_KEY_SCROLL_LOCK 281
#define | GLFW_KEY_NUM_LOCK 282
#define | GLFW_KEY_PRINT_SCREEN 283
#define | GLFW_KEY_PAUSE 284
#define | GLFW_KEY_F1 290
#define | GLFW_KEY_F2 291
#define | GLFW_KEY_F3 292
#define | GLFW_KEY_F4 293
#define | GLFW_KEY_F5 294
#define | GLFW_KEY_F6 295
#define | GLFW_KEY_F7 296
#define | GLFW_KEY_F8 297
#define | GLFW_KEY_F9 298
#define | GLFW_KEY_F10 299
#define | GLFW_KEY_F11 300
#define | GLFW_KEY_F12 301
#define | GLFW_KEY_F13 302
#define | GLFW_KEY_F14 303
#define | GLFW_KEY_F15 304
#define | GLFW_KEY_F16 305
#define | GLFW_KEY_F17 306
#define | GLFW_KEY_F18 307
#define | GLFW_KEY_F19 308
#define | GLFW_KEY_F20 309
#define | GLFW_KEY_F21 310
#define | GLFW_KEY_F22 311
#define | GLFW_KEY_F23 312
#define | GLFW_KEY_F24 313
#define | GLFW_KEY_F25 314
#define | GLFW_KEY_KP_0 320
#define | GLFW_KEY_KP_1 321
#define | GLFW_KEY_KP_2 322
#define | GLFW_KEY_KP_3 323
#define | GLFW_KEY_KP_4 324
#define | GLFW_KEY_KP_5 325
#define | GLFW_KEY_KP_6 326
#define | GLFW_KEY_KP_7 327
#define | GLFW_KEY_KP_8 328
#define | GLFW_KEY_KP_9 329
#define | GLFW_KEY_KP_DECIMAL 330
#define | GLFW_KEY_KP_DIVIDE 331
#define | GLFW_KEY_KP_MULTIPLY 332
#define | GLFW_KEY_KP_SUBTRACT 333
#define | GLFW_KEY_KP_ADD 334
#define | GLFW_KEY_KP_ENTER 335
#define | GLFW_KEY_KP_EQUAL 336
#define | GLFW_KEY_LEFT_SHIFT 340
#define | GLFW_KEY_LEFT_CONTROL 341
#define | GLFW_KEY_LEFT_ALT 342
#define | GLFW_KEY_LEFT_SUPER 343
#define | GLFW_KEY_RIGHT_SHIFT 344
#define | GLFW_KEY_RIGHT_CONTROL 345
#define | GLFW_KEY_RIGHT_ALT 346
#define | GLFW_KEY_RIGHT_SUPER 347
#define | GLFW_KEY_MENU 348
#define | GLFW_KEY_LAST GLFW_KEY_MENU

## Detailed Description

These key codes are inspired by the USB HID Usage Tables v1.12 (p. 53-60), but re-arranged to map to 7-bit ASCII for printable keys (function keys are put in the 256+ range).

The naming of the key codes follow these rules:

- The US keyboard layout is used
- Names of printable alpha-numeric characters are used (e.g. "A", "R", "3", etc.)
- For non-alphanumeric characters, Unicode:ish names are used (e.g. "COMMA", "LEFT_SQUARE_BRACKET", etc.). Note that some names do not correspond to the Unicode standard (usually for brevity)
- Keys that lack a clear US mapping are named "WORLD_x"
- For non-printable keys, custom names are used (e.g. "F4", "BACKSPACE", etc.)

## Macro Definition Documentation

#define GLFW_KEY_0 48

#define GLFW_KEY_1 49

#define GLFW_KEY_2 50

#define GLFW_KEY_3 51

#define GLFW_KEY_4 52

#define GLFW_KEY_5 53

#define GLFW_KEY_6 54

#define GLFW_KEY_7 55

#define GLFW_KEY_8 56

#define GLFW_KEY_9 57

#define GLFW_KEY_A 65

#define GLFW_KEY_APOSTROPHE 39 /* ' */

#define GLFW_KEY_B 66

#define GLFW_KEY_BACKSLASH 92 /* \ */

#define GLFW_KEY_BACKSPACE 259

#define GLFW_KEY_C 67

#define GLFW_KEY_CAPS_LOCK 280

#define GLFW_KEY_COMMA 44 /* , */

#define GLFW_KEY_D 68

#define GLFW_KEY_DELETE 261

#define GLFW_KEY_DOWN 264

#define GLFW_KEY_E 69

#define GLFW_KEY_END 269

#define GLFW_KEY_ENTER 257

#define GLFW_KEY_EQUAL 61 /* = */

#define GLFW_KEY_ESCAPE 256

#define GLFW_KEY_F 70

#define GLFW_KEY_F1 290

#define GLFW_KEY_F10 299

#define GLFW_KEY_F11 300

#define GLFW_KEY_F12 301

#define GLFW_KEY_F13 302

#define GLFW_KEY_F14 303

#define GLFW_KEY_F15 304

#define GLFW_KEY_F16 305

#define GLFW_KEY_F17 306

#define GLFW_KEY_F18 307

#define GLFW_KEY_F19 308

#define GLFW_KEY_F2 291

#define GLFW_KEY_F20 309

#define GLFW_KEY_F21 310

#define GLFW_KEY_F22 311

#define GLFW_KEY_F23 312

#define GLFW_KEY_F24 313

#define GLFW_KEY_F25 314

#define GLFW_KEY_F3 292

#define GLFW_KEY_F4 293

#define GLFW_KEY_F5 294

#define GLFW_KEY_F6 295

#define GLFW_KEY_F7 296

#define GLFW_KEY_F8 297

#define GLFW_KEY_F9 298

#define GLFW_KEY_G 71

#define GLFW_KEY_GRAVE_ACCENT 96 /* ` */

#define GLFW_KEY_H 72

#define GLFW_KEY_HOME 268

#define GLFW_KEY_I 73

#define GLFW_KEY_INSERT 260

#define GLFW_KEY_J 74

#define GLFW_KEY_K 75

#define GLFW_KEY_KP_0 320

#define GLFW_KEY_KP_1 321

#define GLFW_KEY_KP_2 322

#define GLFW_KEY_KP_3 323

#define GLFW_KEY_KP_4 324

#define GLFW_KEY_KP_5 325

#define GLFW_KEY_KP_6 326

#define GLFW_KEY_KP_7 327

#define GLFW_KEY_KP_8 328

#define GLFW_KEY_KP_9 329

#define GLFW_KEY_KP_ADD 334

#define GLFW_KEY_KP_DECIMAL 330

#define GLFW_KEY_KP_DIVIDE 331

#define GLFW_KEY_KP_ENTER 335

#define GLFW_KEY_KP_EQUAL 336

#define GLFW_KEY_KP_MULTIPLY 332

#define GLFW_KEY_KP_SUBTRACT 333

#define GLFW_KEY_L 76

#define GLFW_KEY_LAST GLFW_KEY_MENU

#define GLFW_KEY_LEFT 263

#define GLFW_KEY_LEFT_ALT 342

#define GLFW_KEY_LEFT_BRACKET 91 /* [ */

#define GLFW_KEY_LEFT_CONTROL 341

#define GLFW_KEY_LEFT_SHIFT 340

#define GLFW_KEY_LEFT_SUPER 343

#define GLFW_KEY_M 77

#define GLFW_KEY_MENU 348

#define GLFW_KEY_MINUS 45 /* - */

#define GLFW_KEY_N 78

#define GLFW_KEY_NUM_LOCK 282

#define GLFW_KEY_O 79

#define GLFW_KEY_P 80

#define GLFW_KEY_PAGE_DOWN 267

#define GLFW_KEY_PAGE_UP 266

#define GLFW_KEY_PAUSE 284

#define GLFW_KEY_PERIOD 46 /* . */

#define GLFW_KEY_PRINT_SCREEN 283

#define GLFW_KEY_Q 81

#define GLFW_KEY_R 82

#define GLFW_KEY_RIGHT 262

#define GLFW_KEY_RIGHT_ALT 346

#define GLFW_KEY_RIGHT_BRACKET 93 /* ] */

#define GLFW_KEY_RIGHT_CONTROL 345

#define GLFW_KEY_RIGHT_SHIFT 344

#define GLFW_KEY_RIGHT_SUPER 347

#define GLFW_KEY_S 83

#define GLFW_KEY_SCROLL_LOCK 281

#define GLFW_KEY_SEMICOLON 59 /* ; */

#define GLFW_KEY_SLASH 47 /* / */

#define GLFW_KEY_SPACE 32

#define GLFW_KEY_T 84

#define GLFW_KEY_TAB 258

#define GLFW_KEY_U 85

#define GLFW_KEY_UNKNOWN -1

#define GLFW_KEY_UP 265

#define GLFW_KEY_V 86

#define GLFW_KEY_W 87

#define GLFW_KEY_WORLD_1 161 /* non-US #1 */

#define GLFW_KEY_WORLD_2 162 /* non-US #2 */

#define GLFW_KEY_X 88

#define GLFW_KEY_Y 89

#define GLFW_KEY_Z 90