gistfile1.txt

static void
_compute_node(Focus_Node *node, Eina_List *objects)
{
   int x = 0,y = 0,w = 0,h = 0;
   Focus_Node *nodes[4], *r;
   Eina_List *n;
   int distances[4] = {-1, -1, -1, -1};

   evas_object_geometry_get(node->widget, &x, &y, &w, &h);
   EINA_LIST_FOREACH(objects, n, r)
     {
         int rx = 0,ry = 0,rw = 0,rh = 0;
         int rel_x = 0, rel_y = 0; //relativ coords from new widget to old
         int d;

         if (r == node) continue;

         evas_object_geometry_get(r->widget, &rx, &ry, &rw, &rh);
         rel_x = rx+rw/2 - x+w/2;
         rel_y = ry+rh/2 - y+h/2;
         d = sqrt(powerof2(rel_x)+powerof2(rel_y));

         if (rel_x > 0)
            _compare(d, r, distances, nodes, LEFT);
         if (rel_x <= 0)
            _compare(d, r, distances, nodes, RIGHT);
         if (rel_y > 0)
            _compare(d, r, distances, nodes, TOP);
         if (rel_y <= 0)
            _compare(d, r, distances, nodes, BOTTOM);
     }


   focus_node_connect(node, nodes[LEFT], LEFT);
   focus_node_connect(node, nodes[RIGHT], RIGHT);
   focus_node_connect(node, nodes[TOP], TOP);
   focus_node_connect(node, nodes[BOTTOM], BOTTOM);
}