#include <stdlib.h>
#include <gtk/gtk.h>

static gboolean
invert_visible (gpointer data)
{
   gtk_status_icon_set_visible (GTK_STATUS_ICON (data),
       !gtk_status_icon_get_visible (GTK_STATUS_ICON (data)));

   return TRUE;       
}

static gboolean
invert_blink (gpointer data)
{
   gtk_status_icon_set_blinking (GTK_STATUS_ICON (data),
       !gtk_status_icon_get_blinking (GTK_STATUS_ICON (data)));

   return TRUE;       
}

gint
main (gint    argc,
      gchar **argv)
{
  GtkStatusIcon *icon;
  
  gtk_init (&argc, &argv);
  
  icon = gtk_status_icon_new_from_stock (GTK_STOCK_ABOUT);
  g_timeout_add_seconds (10, invert_visible, icon);
  g_timeout_add_seconds (5, invert_blink, icon);
  
  gtk_main ();

  return EXIT_SUCCESS;
}