scancodes.h

   1 #ifndef __SCANCODES_H__
   2 #define __SCANCODES_H__
   3
   4 #define UTF8_MAX_LENGTH 4
   5
   6 #define MOD_NONE   0
   7 #define MOD_LCTRL  1<<0
   8 #define MOD_LSHIFT 1<<1
   9 #define MOD_LALT   1<<2
  10 #define MOD_LSUPER 1<<3
  11 #define MOD_RCTRL  1<<4
  12 #define MOD_RSHIFT 1<<5
  13 #define MOD_RALT   1<<6
  14 #define MOD_RSUPER 1<<7
  15
  16 struct layout {
  17         unsigned short key; //scancode of normal key
  18                 //if this is NULL, the key does not exist in this layout.
  19         unsigned short mod; //bitmask of modifier keys
  20         short is_dead; //is dead key (needs to be pressed twice)
  21 };
  22 struct keysym {
  23         char sym [UTF8_MAX_LENGTH]; //utf-8 encoded key symbol
  24         struct layout en_us; //substructure for this layout
  25         struct layout de_at;
  26         struct layout de_nd;
  27         unsigned int unicode; //the unicode number to send via alt+numpad or ^U if char is not available in a keyboard layout
  28 };
  29
  30 enum kbdl {  //keyboard layouts:
  31         na_NA, //reserved
  32         en_US,
  33         de_AT,
  34         de_ND //de_AT-nodeadkeys
  35 };
  36
  37 struct keysym* toscan (const char* utf8);//returns the layout struct of a keysym
  38 struct layout* tolay (struct keysym* s, enum kbdl layout); //returns layout struct from keysym struct
  39 #endif