src/keymap.h

   1 /* vi:set ts=8 sts=4 sw=4:
   2  *
   3  * VIM - Vi IMproved    by Bram Moolenaar
   4  *
   5  * Do ":help uganda"  in Vim to read copying and usage conditions.
   6  * Do ":help credits" in Vim to see a list of people who contributed.
   7  */
   8
   9 /*
  10  * Keycode definitions for special keys.
  11  *
  12  * Any special key code sequences are replaced by these codes.
  13  */
  14
  15 /*
  16  * For MSDOS some keys produce codes larger than 0xff. They are split into two
  17  * chars, the first one is K_NUL (same value used in term.h).
  18  */
  19 #define K_NUL                   (0xce)  /* for MSDOS: special key follows */
  20
  21 /*
  22  * K_SPECIAL is the first byte of a special key code and is always followed by
  23  * two bytes.
  24  * The second byte can have any value. ASCII is used for normal termcap
  25  * entries, 0x80 and higher for special keys, see below.
  26  * The third byte is guaranteed to be between 0x02 and 0x7f.
  27  */
  28
  29 #define K_SPECIAL               (0x80)
  30
  31 /*
  32  * Positive characters are "normal" characters.
  33  * Negative characters are special key codes.  Only characters below -0x200
  34  * are used to so that the absolute value can't be mistaken for a single-byte
  35  * character.
  36  */
  37 #define IS_SPECIAL(c)           ((c) < 0)
  38
  39 /*
  40  * Characters 0x0100 - 0x01ff have a special meaning for abbreviations.
  41  * Multi-byte characters also have ABBR_OFF added, thus are above 0x0200.
  42  */
  43 #define ABBR_OFF                0x100
  44
  45 /*
  46  * NUL cannot be in the input string, therefore it is replaced by
  47  *      K_SPECIAL   KS_ZERO     KE_FILLER
  48  */
  49 #define KS_ZERO                 255
  50
  51 /*
  52  * K_SPECIAL cannot be in the input string, therefore it is replaced by
  53  *      K_SPECIAL   KS_SPECIAL  KE_FILLER
  54  */
  55 #define KS_SPECIAL              254
  56
  57 /*
  58  * KS_EXTRA is used for keys that have no termcap name
  59  *      K_SPECIAL   KS_EXTRA    KE_xxx
  60  */
  61 #define KS_EXTRA                253
  62
  63 /*
  64  * KS_MODIFIER is used when a modifier is given for a (special) key
  65  *      K_SPECIAL   KS_MODIFIER bitmask
  66  */
  67 #define KS_MODIFIER             252
  68
  69 /*
  70  * These are used for the GUI
  71  *      K_SPECIAL   KS_xxx      KE_FILLER
  72  */
  73 #define KS_MOUSE                251
  74 #define KS_MENU                 250
  75 #define KS_VER_SCROLLBAR        249
  76 #define KS_HOR_SCROLLBAR        248
  77
  78 /*
  79  * These are used for DEC mouse
  80  */
  81 #define KS_NETTERM_MOUSE        247
  82 #define KS_DEC_MOUSE            246
  83
  84 /*
  85  * Used for switching Select mode back on after a mapping or menu.
  86  */
  87 #define KS_SELECT               245
  88 #define K_SELECT_STRING         (char_u *)"\200\365X"
  89
  90 /*
  91  * Used for tearing off a menu.
  92  */
  93 #define KS_TEAROFF              244
  94
  95 /* used for JSB term mouse */
  96 #define KS_JSBTERM_MOUSE        243
  97
  98 /* used a termcap entry that produces a normal character */
  99 #define KS_KEY                  242
 100
 101 /* Used for the qnx pterm mouse */
 102 #define KS_PTERM_MOUSE          241
 103
 104 /* Used for click in a tab pages label. */
 105 #define KS_TABLINE              240
 106
 107 /* Used for menu in a tab pages line. */
 108 #define KS_TABMENU              239
 109
 110 /*
 111  * Filler used after KS_SPECIAL and others
 112  */
 113 #define KE_FILLER               ('X')
 114
 115 /*
 116  * translation of three byte code "K_SPECIAL a b" into int "K_xxx" and back
 117  */
 118 #define TERMCAP2KEY(a, b)       (-((a) + ((int)(b) << 8)))
 119 #define KEY2TERMCAP0(x)         ((-(x)) & 0xff)
 120 #define KEY2TERMCAP1(x)         (((unsigned)(-(x)) >> 8) & 0xff)
 121
 122 /*
 123  * get second or third byte when translating special key code into three bytes
 124  */
 125 #define K_SECOND(c)     ((c) == K_SPECIAL ? KS_SPECIAL : (c) == NUL ? KS_ZERO : KEY2TERMCAP0(c))
 126
 127 #define K_THIRD(c)      (((c) == K_SPECIAL || (c) == NUL) ? KE_FILLER : KEY2TERMCAP1(c))
 128
 129 /*
 130  * get single int code from second byte after K_SPECIAL
 131  */
 132 #define TO_SPECIAL(a, b)    ((a) == KS_SPECIAL ? K_SPECIAL : (a) == KS_ZERO ? K_ZERO : TERMCAP2KEY(a, b))
 133
 134 /*
 135  * Codes for keys that do not have a termcap name.
 136  *
 137  * K_SPECIAL KS_EXTRA KE_xxx
 138  */
 139 enum key_extra
 140 {
 141     KE_NAME = 3         /* name of this terminal entry */
 142
 143     , KE_S_UP           /* shift-up */
 144     , KE_S_DOWN         /* shift-down */
 145
 146     , KE_S_F1           /* shifted function keys */
 147     , KE_S_F2
 148     , KE_S_F3
 149     , KE_S_F4
 150     , KE_S_F5
 151     , KE_S_F6
 152     , KE_S_F7
 153     , KE_S_F8
 154     , KE_S_F9
 155     , KE_S_F10
 156
 157     , KE_S_F11
 158     , KE_S_F12
 159     , KE_S_F13
 160     , KE_S_F14
 161     , KE_S_F15
 162     , KE_S_F16
 163     , KE_S_F17
 164     , KE_S_F18
 165     , KE_S_F19
 166     , KE_S_F20
 167
 168     , KE_S_F21
 169     , KE_S_F22
 170     , KE_S_F23
 171     , KE_S_F24
 172     , KE_S_F25
 173     , KE_S_F26
 174     , KE_S_F27
 175     , KE_S_F28
 176     , KE_S_F29
 177     , KE_S_F30
 178
 179     , KE_S_F31
 180     , KE_S_F32
 181     , KE_S_F33
 182     , KE_S_F34
 183     , KE_S_F35
 184     , KE_S_F36
 185     , KE_S_F37
 186
 187     , KE_MOUSE          /* mouse event start */
 188
 189 /*
 190  * Symbols for pseudo keys which are translated from the real key symbols
 191  * above.
 192  */
 193     , KE_LEFTMOUSE      /* Left mouse button click */
 194     , KE_LEFTDRAG       /* Drag with left mouse button down */
 195     , KE_LEFTRELEASE    /* Left mouse button release */
 196     , KE_MIDDLEMOUSE    /* Middle mouse button click */
 197     , KE_MIDDLEDRAG     /* Drag with middle mouse button down */
 198     , KE_MIDDLERELEASE  /* Middle mouse button release */
 199     , KE_RIGHTMOUSE     /* Right mouse button click */
 200     , KE_RIGHTDRAG      /* Drag with right mouse button down */
 201     , KE_RIGHTRELEASE   /* Right mouse button release */
 202
 203     , KE_IGNORE         /* Ignored mouse drag/release */
 204
 205     , KE_TAB            /* unshifted TAB key */
 206     , KE_S_TAB_OLD      /* shifted TAB key (no longer used) */
 207
 208     , KE_SNIFF          /* SNiFF+ input waiting */
 209
 210     , KE_XF1            /* extra vt100 function keys for xterm */
 211     , KE_XF2
 212     , KE_XF3
 213     , KE_XF4
 214     , KE_XEND           /* extra (vt100) end key for xterm */
 215     , KE_ZEND           /* extra (vt100) end key for xterm */
 216     , KE_XHOME          /* extra (vt100) home key for xterm */
 217     , KE_ZHOME          /* extra (vt100) home key for xterm */
 218     , KE_XUP            /* extra vt100 cursor keys for xterm */
 219     , KE_XDOWN
 220     , KE_XLEFT
 221     , KE_XRIGHT
 222
 223     , KE_LEFTMOUSE_NM   /* non-mappable Left mouse button click */
 224     , KE_LEFTRELEASE_NM /* non-mappable left mouse button release */
 225
 226     , KE_S_XF1          /* extra vt100 shifted function keys for xterm */
 227     , KE_S_XF2
 228     , KE_S_XF3
 229     , KE_S_XF4
 230
 231     , KE_MOUSEDOWN      /* scroll wheel pseudo-button Down */
 232     , KE_MOUSEUP                /* scroll wheel pseudo-button Up */
 233
 234     , KE_KINS           /* keypad Insert key */
 235     , KE_KDEL           /* keypad Delete key */
 236
 237     , KE_CSI            /* CSI typed directly */
 238     , KE_SNR            /* <SNR> */
 239     , KE_PLUG           /* <Plug> */
 240     , KE_CMDWIN         /* open command-line window from Command-line Mode */
 241
 242     , KE_C_LEFT         /* control-left */
 243     , KE_C_RIGHT        /* control-right */
 244     , KE_C_HOME         /* control-home */
 245     , KE_C_END          /* control-end */
 246
 247     , KE_X1MOUSE        /* X1/X2 mouse-buttons */
 248     , KE_X1DRAG
 249     , KE_X1RELEASE
 250     , KE_X2MOUSE
 251     , KE_X2DRAG
 252     , KE_X2RELEASE
 253
 254     , KE_DROP           /* DnD data is available */
 255     , KE_CURSORHOLD     /* CursorHold event */
 256     , KE_NOP            /* doesn't do something */
 257 };
 258
 259 /*
 260  * the three byte codes are replaced with the following int when using vgetc()
 261  */
 262 #define K_ZERO          TERMCAP2KEY(KS_ZERO, KE_FILLER)
 263
 264 #define K_UP            TERMCAP2KEY('k', 'u')
 265 #define K_DOWN          TERMCAP2KEY('k', 'd')
 266 #define K_LEFT          TERMCAP2KEY('k', 'l')
 267 #define K_RIGHT         TERMCAP2KEY('k', 'r')
 268 #define K_S_UP          TERMCAP2KEY(KS_EXTRA, KE_S_UP)
 269 #define K_S_DOWN        TERMCAP2KEY(KS_EXTRA, KE_S_DOWN)
 270 #define K_S_LEFT        TERMCAP2KEY('#', '4')
 271 #define K_C_LEFT        TERMCAP2KEY(KS_EXTRA, KE_C_LEFT)
 272 #define K_S_RIGHT       TERMCAP2KEY('%', 'i')
 273 #define K_C_RIGHT       TERMCAP2KEY(KS_EXTRA, KE_C_RIGHT)
 274 #define K_S_HOME        TERMCAP2KEY('#', '2')
 275 #define K_C_HOME        TERMCAP2KEY(KS_EXTRA, KE_C_HOME)
 276 #define K_S_END         TERMCAP2KEY('*', '7')
 277 #define K_C_END         TERMCAP2KEY(KS_EXTRA, KE_C_END)
 278 #define K_TAB           TERMCAP2KEY(KS_EXTRA, KE_TAB)
 279 #define K_S_TAB         TERMCAP2KEY('k', 'B')
 280
 281 /* extra set of function keys F1-F4, for vt100 compatible xterm */
 282 #define K_XF1           TERMCAP2KEY(KS_EXTRA, KE_XF1)
 283 #define K_XF2           TERMCAP2KEY(KS_EXTRA, KE_XF2)
 284 #define K_XF3           TERMCAP2KEY(KS_EXTRA, KE_XF3)
 285 #define K_XF4           TERMCAP2KEY(KS_EXTRA, KE_XF4)
 286
 287 /* extra set of cursor keys for vt100 compatible xterm */
 288 #define K_XUP           TERMCAP2KEY(KS_EXTRA, KE_XUP)
 289 #define K_XDOWN         TERMCAP2KEY(KS_EXTRA, KE_XDOWN)
 290 #define K_XLEFT         TERMCAP2KEY(KS_EXTRA, KE_XLEFT)
 291 #define K_XRIGHT        TERMCAP2KEY(KS_EXTRA, KE_XRIGHT)
 292
 293 #define K_F1            TERMCAP2KEY('k', '1')   /* function keys */
 294 #define K_F2            TERMCAP2KEY('k', '2')
 295 #define K_F3            TERMCAP2KEY('k', '3')
 296 #define K_F4            TERMCAP2KEY('k', '4')
 297 #define K_F5            TERMCAP2KEY('k', '5')
 298 #define K_F6            TERMCAP2KEY('k', '6')
 299 #define K_F7            TERMCAP2KEY('k', '7')
 300 #define K_F8            TERMCAP2KEY('k', '8')
 301 #define K_F9            TERMCAP2KEY('k', '9')
 302 #define K_F10           TERMCAP2KEY('k', ';')
 303
 304 #define K_F11           TERMCAP2KEY('F', '1')
 305 #define K_F12           TERMCAP2KEY('F', '2')
 306 #define K_F13           TERMCAP2KEY('F', '3')
 307 #define K_F14           TERMCAP2KEY('F', '4')
 308 #define K_F15           TERMCAP2KEY('F', '5')
 309 #define K_F16           TERMCAP2KEY('F', '6')
 310 #define K_F17           TERMCAP2KEY('F', '7')
 311 #define K_F18           TERMCAP2KEY('F', '8')
 312 #define K_F19           TERMCAP2KEY('F', '9')
 313 #define K_F20           TERMCAP2KEY('F', 'A')
 314
 315 #define K_F21           TERMCAP2KEY('F', 'B')
 316 #define K_F22           TERMCAP2KEY('F', 'C')
 317 #define K_F23           TERMCAP2KEY('F', 'D')
 318 #define K_F24           TERMCAP2KEY('F', 'E')
 319 #define K_F25           TERMCAP2KEY('F', 'F')
 320 #define K_F26           TERMCAP2KEY('F', 'G')
 321 #define K_F27           TERMCAP2KEY('F', 'H')
 322 #define K_F28           TERMCAP2KEY('F', 'I')
 323 #define K_F29           TERMCAP2KEY('F', 'J')
 324 #define K_F30           TERMCAP2KEY('F', 'K')
 325
 326 #define K_F31           TERMCAP2KEY('F', 'L')
 327 #define K_F32           TERMCAP2KEY('F', 'M')
 328 #define K_F33           TERMCAP2KEY('F', 'N')
 329 #define K_F34           TERMCAP2KEY('F', 'O')
 330 #define K_F35           TERMCAP2KEY('F', 'P')
 331 #define K_F36           TERMCAP2KEY('F', 'Q')
 332 #define K_F37           TERMCAP2KEY('F', 'R')
 333
 334 /* extra set of shifted function keys F1-F4, for vt100 compatible xterm */
 335 #define K_S_XF1         TERMCAP2KEY(KS_EXTRA, KE_S_XF1)
 336 #define K_S_XF2         TERMCAP2KEY(KS_EXTRA, KE_S_XF2)
 337 #define K_S_XF3         TERMCAP2KEY(KS_EXTRA, KE_S_XF3)
 338 #define K_S_XF4         TERMCAP2KEY(KS_EXTRA, KE_S_XF4)
 339
 340 #define K_S_F1          TERMCAP2KEY(KS_EXTRA, KE_S_F1)  /* shifted func. keys */
 341 #define K_S_F2          TERMCAP2KEY(KS_EXTRA, KE_S_F2)
 342 #define K_S_F3          TERMCAP2KEY(KS_EXTRA, KE_S_F3)
 343 #define K_S_F4          TERMCAP2KEY(KS_EXTRA, KE_S_F4)
 344 #define K_S_F5          TERMCAP2KEY(KS_EXTRA, KE_S_F5)
 345 #define K_S_F6          TERMCAP2KEY(KS_EXTRA, KE_S_F6)
 346 #define K_S_F7          TERMCAP2KEY(KS_EXTRA, KE_S_F7)
 347 #define K_S_F8          TERMCAP2KEY(KS_EXTRA, KE_S_F8)
 348 #define K_S_F9          TERMCAP2KEY(KS_EXTRA, KE_S_F9)
 349 #define K_S_F10         TERMCAP2KEY(KS_EXTRA, KE_S_F10)
 350
 351 #define K_S_F11         TERMCAP2KEY(KS_EXTRA, KE_S_F11)
 352 #define K_S_F12         TERMCAP2KEY(KS_EXTRA, KE_S_F12)
 353 /* K_S_F13 to K_S_F37  are currently not used */
 354
 355 #define K_HELP          TERMCAP2KEY('%', '1')
 356 #define K_UNDO          TERMCAP2KEY('&', '8')
 357
 358 #define K_BS            TERMCAP2KEY('k', 'b')
 359
 360 #define K_INS           TERMCAP2KEY('k', 'I')
 361 #define K_KINS          TERMCAP2KEY(KS_EXTRA, KE_KINS)
 362 #define K_DEL           TERMCAP2KEY('k', 'D')
 363 #define K_KDEL          TERMCAP2KEY(KS_EXTRA, KE_KDEL)
 364 #define K_HOME          TERMCAP2KEY('k', 'h')
 365 #define K_KHOME         TERMCAP2KEY('K', '1')   /* keypad home (upper left) */
 366 #define K_XHOME         TERMCAP2KEY(KS_EXTRA, KE_XHOME)
 367 #define K_ZHOME         TERMCAP2KEY(KS_EXTRA, KE_ZHOME)
 368 #define K_END           TERMCAP2KEY('@', '7')
 369 #define K_KEND          TERMCAP2KEY('K', '4')   /* keypad end (lower left) */
 370 #define K_XEND          TERMCAP2KEY(KS_EXTRA, KE_XEND)
 371 #define K_ZEND          TERMCAP2KEY(KS_EXTRA, KE_ZEND)
 372 #define K_PAGEUP        TERMCAP2KEY('k', 'P')
 373 #define K_PAGEDOWN      TERMCAP2KEY('k', 'N')
 374 #define K_KPAGEUP       TERMCAP2KEY('K', '3')   /* keypad pageup (upper R.) */
 375 #define K_KPAGEDOWN     TERMCAP2KEY('K', '5')   /* keypad pagedown (lower R.) */
 376
 377 #define K_KPLUS         TERMCAP2KEY('K', '6')   /* keypad plus */
 378 #define K_KMINUS        TERMCAP2KEY('K', '7')   /* keypad minus */
 379 #define K_KDIVIDE       TERMCAP2KEY('K', '8')   /* keypad / */
 380 #define K_KMULTIPLY     TERMCAP2KEY('K', '9')   /* keypad * */
 381 #define K_KENTER        TERMCAP2KEY('K', 'A')   /* keypad Enter */
 382 #define K_KPOINT        TERMCAP2KEY('K', 'B')   /* keypad . or ,*/
 383
 384 #define K_K0            TERMCAP2KEY('K', 'C')   /* keypad 0 */
 385 #define K_K1            TERMCAP2KEY('K', 'D')   /* keypad 1 */
 386 #define K_K2            TERMCAP2KEY('K', 'E')   /* keypad 2 */
 387 #define K_K3            TERMCAP2KEY('K', 'F')   /* keypad 3 */
 388 #define K_K4            TERMCAP2KEY('K', 'G')   /* keypad 4 */
 389 #define K_K5            TERMCAP2KEY('K', 'H')   /* keypad 5 */
 390 #define K_K6            TERMCAP2KEY('K', 'I')   /* keypad 6 */
 391 #define K_K7            TERMCAP2KEY('K', 'J')   /* keypad 7 */
 392 #define K_K8            TERMCAP2KEY('K', 'K')   /* keypad 8 */
 393 #define K_K9            TERMCAP2KEY('K', 'L')   /* keypad 9 */
 394
 395 #define K_MOUSE         TERMCAP2KEY(KS_MOUSE, KE_FILLER)
 396 #define K_MENU          TERMCAP2KEY(KS_MENU, KE_FILLER)
 397 #define K_VER_SCROLLBAR TERMCAP2KEY(KS_VER_SCROLLBAR, KE_FILLER)
 398 #define K_HOR_SCROLLBAR   TERMCAP2KEY(KS_HOR_SCROLLBAR, KE_FILLER)
 399
 400 #define K_NETTERM_MOUSE TERMCAP2KEY(KS_NETTERM_MOUSE, KE_FILLER)
 401 #define K_DEC_MOUSE     TERMCAP2KEY(KS_DEC_MOUSE, KE_FILLER)
 402 #define K_JSBTERM_MOUSE TERMCAP2KEY(KS_JSBTERM_MOUSE, KE_FILLER)
 403 #define K_PTERM_MOUSE   TERMCAP2KEY(KS_PTERM_MOUSE, KE_FILLER)
 404
 405 #define K_SELECT        TERMCAP2KEY(KS_SELECT, KE_FILLER)
 406 #define K_TEAROFF       TERMCAP2KEY(KS_TEAROFF, KE_FILLER)
 407
 408 #define K_TABLINE       TERMCAP2KEY(KS_TABLINE, KE_FILLER)
 409 #define K_TABMENU       TERMCAP2KEY(KS_TABMENU, KE_FILLER)
 410
 411 /*
 412  * Symbols for pseudo keys which are translated from the real key symbols
 413  * above.
 414  */
 415 #define K_LEFTMOUSE     TERMCAP2KEY(KS_EXTRA, KE_LEFTMOUSE)
 416 #define K_LEFTMOUSE_NM  TERMCAP2KEY(KS_EXTRA, KE_LEFTMOUSE_NM)
 417 #define K_LEFTDRAG      TERMCAP2KEY(KS_EXTRA, KE_LEFTDRAG)
 418 #define K_LEFTRELEASE   TERMCAP2KEY(KS_EXTRA, KE_LEFTRELEASE)
 419 #define K_LEFTRELEASE_NM TERMCAP2KEY(KS_EXTRA, KE_LEFTRELEASE_NM)
 420 #define K_MIDDLEMOUSE   TERMCAP2KEY(KS_EXTRA, KE_MIDDLEMOUSE)
 421 #define K_MIDDLEDRAG    TERMCAP2KEY(KS_EXTRA, KE_MIDDLEDRAG)
 422 #define K_MIDDLERELEASE TERMCAP2KEY(KS_EXTRA, KE_MIDDLERELEASE)
 423 #define K_RIGHTMOUSE    TERMCAP2KEY(KS_EXTRA, KE_RIGHTMOUSE)
 424 #define K_RIGHTDRAG     TERMCAP2KEY(KS_EXTRA, KE_RIGHTDRAG)
 425 #define K_RIGHTRELEASE  TERMCAP2KEY(KS_EXTRA, KE_RIGHTRELEASE)
 426 #define K_X1MOUSE       TERMCAP2KEY(KS_EXTRA, KE_X1MOUSE)
 427 #define K_X1MOUSE       TERMCAP2KEY(KS_EXTRA, KE_X1MOUSE)
 428 #define K_X1DRAG        TERMCAP2KEY(KS_EXTRA, KE_X1DRAG)
 429 #define K_X1RELEASE     TERMCAP2KEY(KS_EXTRA, KE_X1RELEASE)
 430 #define K_X2MOUSE       TERMCAP2KEY(KS_EXTRA, KE_X2MOUSE)
 431 #define K_X2DRAG        TERMCAP2KEY(KS_EXTRA, KE_X2DRAG)
 432 #define K_X2RELEASE     TERMCAP2KEY(KS_EXTRA, KE_X2RELEASE)
 433
 434 #define K_IGNORE        TERMCAP2KEY(KS_EXTRA, KE_IGNORE)
 435 #define K_NOP           TERMCAP2KEY(KS_EXTRA, KE_NOP)
 436
 437 #define K_SNIFF         TERMCAP2KEY(KS_EXTRA, KE_SNIFF)
 438
 439 #define K_MOUSEDOWN     TERMCAP2KEY(KS_EXTRA, KE_MOUSEDOWN)
 440 #define K_MOUSEUP       TERMCAP2KEY(KS_EXTRA, KE_MOUSEUP)
 441
 442 #define K_CSI           TERMCAP2KEY(KS_EXTRA, KE_CSI)
 443 #define K_SNR           TERMCAP2KEY(KS_EXTRA, KE_SNR)
 444 #define K_PLUG          TERMCAP2KEY(KS_EXTRA, KE_PLUG)
 445 #define K_CMDWIN        TERMCAP2KEY(KS_EXTRA, KE_CMDWIN)
 446
 447 #define K_DROP          TERMCAP2KEY(KS_EXTRA, KE_DROP)
 448
 449 #define K_CURSORHOLD    TERMCAP2KEY(KS_EXTRA, KE_CURSORHOLD)
 450
 451 /* Bits for modifier mask */
 452 /* 0x01 cannot be used, because the modifier must be 0x02 or higher */
 453 #define MOD_MASK_SHIFT      0x02
 454 #define MOD_MASK_CTRL       0x04
 455 #define MOD_MASK_ALT        0x08        /* aka META */
 456 #define MOD_MASK_META       0x10        /* META when it's different from ALT */
 457 #define MOD_MASK_2CLICK     0x20        /* use MOD_MASK_MULTI_CLICK */
 458 #define MOD_MASK_3CLICK     0x40        /* use MOD_MASK_MULTI_CLICK */
 459 #define MOD_MASK_4CLICK     0x60        /* use MOD_MASK_MULTI_CLICK */
 460 #ifdef MACOS
 461 # define MOD_MASK_CMD       0x80
 462 #endif
 463
 464 #define MOD_MASK_MULTI_CLICK    (MOD_MASK_2CLICK|MOD_MASK_3CLICK|MOD_MASK_4CLICK)
 465
 466 /*
 467  * The length of the longest special key name, including modifiers.
 468  * Current longest is <M-C-S-T-4-MiddleRelease> (length includes '<' and '>').
 469  */
 470 #define MAX_KEY_NAME_LEN    25
 471
 472 /* Maximum length of a special key event as tokens.  This includes modifiers.
 473  * The longest event is something like <M-C-S-T-4-LeftDrag> which would be the
 474  * following string of tokens:
 475  *
 476  * <K_SPECIAL> <KS_MODIFIER> bitmask <K_SPECIAL> <KS_EXTRA> <KT_LEFTDRAG>.
 477  *
 478  * This is a total of 6 tokens, and is currently the longest one possible.
 479  */
 480 #define MAX_KEY_CODE_LEN    6