#include <Elementary.h>
#include <pthread.h>
static Evas_Object *win = NULL;
static Evas_Object *rect = NULL;
static pthread_t thread_id;
static void *
my_thread_run(void *arg)
{
   double t = 0.0;
   for (;;)
     {
        ecore_thread_main_loop_begin(); 
          { 
             Evas_Coord x, y;
             x = 200 + (200 * sin(t));
             y = 200 + (200 * cos(t));
             evas_object_move(rect, x - 50, y - 50);
          }
        ecore_thread_main_loop_end(); 
        usleep(1000);
        t += 0.02;
     }
   return NULL;
}
static void
my_thread_new(void)
{
   pthread_attr_t attr;
   if (pthread_attr_init(&attr) != 0)
     perror("pthread_attr_init");
   if (pthread_create(&thread_id, &attr, my_thread_run, NULL) != 0)
     perror("pthread_create");
}
static void
del(void *data, Evas_Object *obj, void *event_info)
{
   exit(0);
}
EAPI_MAIN int
elm_main(int argc, char **argv)
{
   Evas_Object *o;
   evas_object_smart_callback_add(win, "delete,request", del, NULL);
   o = evas_object_rectangle_add(evas_object_evas_get(win));
   evas_object_color_set(o, 50, 80, 180, 255);
   evas_object_resize(o, 100, 100);
   evas_object_show(o);
   rect = o;
   
   my_thread_new();
   evas_object_resize(win, 400, 400);
   evas_object_show(win);
   return 0;
}