cnslock/kleds.c

   1 /*
   2    This code is based upon some lines(actually two lines :-)
   3    in E-Leds by Mathias Meisfjordskar<mathiasm@ifi.uio.no>
   4    Released under GPL.
   5 */
   6
   7 #include <stdio.h>
   8 #include <X11/XKBlib.h>
   9 #include <libdockapp/dockapp.h>
  10
  11 #include "include/kleds.h"
  12
  13 /*
  14   Returns the turned on leds:
  15    Bit 0 is Capslock
  16    Bit 1 is Numlock
  17    Bit 2 is Scrollock
  18 */
  19
  20 int check_kleds()
  21 {
  22     unsigned int states;
  23
  24     if (XkbGetIndicatorState(DADisplay, XkbUseCoreKbd, &states) != Success)
  25         {
  26                 perror("Error while reading Indicator status\n");
  27                 return -1;
  28     }
  29     return (states & 0x7);
  30 }