UTILITIES/x11idle.c

   1 #include <X11/extensions/scrnsaver.h>
   2 #include <stdio.h>
   3
   4 /* Based on code from
   5  * http://coderrr.wordpress.com/2008/04/20/getting-idle-time-in-unix/
   6  *
   7  * compile with 'gcc -l Xss x11idle.c -o x11idle' and copy x11idle into your
   8  * path
   9  */
  10 main() {
  11     XScreenSaverInfo *info = XScreenSaverAllocInfo();
  12     Display *display = XOpenDisplay(0);
  13
  14     //check that X11 is running or else you get a segafult/coredump
  15     if (display != NULL) {
  16         XScreenSaverQueryInfo(display, DefaultRootWindow(display), info);
  17     }
  18     XScreenSaverQueryInfo(display, DefaultRootWindow(display), info);
  19     printf("%u\n", info->idle);
  20     return 0;
  21 }