send_hid/scancodes.h

   1 // (C) 2016 Tobias Girstmair, released under the GNU GPL
   2 #ifndef __SCANCODES_H__
   3 #define __SCANCODES_H__
   4
   5 #define UTF8_MAX_LENGTH 4
   6
   7 #define MOD_NONE   0
   8 #define MOD_LCTRL  1<<0
   9 #define MOD_LSHIFT 1<<1
  10 #define MOD_LALT   1<<2
  11 #define MOD_LSUPER 1<<3
  12 #define MOD_RCTRL  1<<4
  13 #define MOD_RSHIFT 1<<5
  14 #define MOD_RALT   1<<6
  15 #define MOD_RSUPER 1<<7
  16
  17 struct layout {
  18         unsigned short key; //scancode of normal key
  19                 //if this is NULL, the key does not exist in this layout.
  20         unsigned short mod; //bitmask of modifier keys
  21         short is_dead; //is dead key (needs to be pressed twice)
  22 };
  23 struct keysym {
  24         char sym [UTF8_MAX_LENGTH]; //utf-8 encoded key symbol
  25         struct layout en_us; //substructure for this layout
  26         struct layout de_at;
  27         struct layout de_nd;
  28         unsigned int unicode; //the unicode number to send via alt+numpad or ^U if char is not available in a keyboard layout
  29 };
  30
  31 enum kbdl {  //keyboard layouts:
  32         na_NA, //reserved
  33         en_US,
  34         de_AT,
  35         de_ND //de_AT-nodeadkeys
  36 };
  37
  38 struct keysym* toscan (const char* utf8);//returns the layout struct of a keysym
  39 struct layout* tolay (struct keysym* s, enum kbdl layout); //returns layout struct from keysym struct
  40 #endif