keyboard_indicators.c

   1 #include <err.h>
   2 #include <X11/Xlib.h>
   3
   4 #include "util.h"
   5
   6 const char *
   7 keyboard_indicators(void)
   8 {
   9         Display *dpy = XOpenDisplay(NULL);
  10         XKeyboardState state;
  11
  12         if (dpy == NULL) {
  13                 warnx("XOpenDisplay failed");
  14                 return NULL;
  15         }
  16         XGetKeyboardControl(dpy, &state);
  17         XCloseDisplay(dpy);
  18
  19         switch (state.led_mask) {
  20                 case 1:
  21                         return "c";
  22                 case 2:
  23                         return "n";
  24                 case 3:
  25                         return "cn";
  26                 default:
  27                         return "";
  28         }
  29 }