text: #include "e.h"
  
  typedef struct _E_Smart_Data E_Smart_Data;
  typedef struct _E_Box_Item   E_Box_Item;
  
  struct _E_Smart_Data
  { 
     Evas_Coord       x, y, w, h;
     Evas_Object     *obj;
     Evas_Object     *clip;
     int              frozen;
     unsigned char    changed : 1;
     unsigned char    horizontal : 1;
     unsigned char    homogenous : 1;
     Eina_List       *items;
     struct {
        Evas_Coord    w, h;
     } min, max;
     struct {
        double        x, y;
     } align;
  }; 
  
  struct _E_Box_Item
  {
     E_Smart_Data    *sd;
     unsigned char    fill_w : 1;
     unsigned char    fill_h : 1;
     unsigned char    expand_w : 1;
     unsigned char    expand_h : 1;
     struct {
        Evas_Coord    w, h;
     } min, max;
     struct {
        double        x, y;
     } align;
     Evas_Object     *obj;
  };
  
  /* local subsystem functions */
  static E_Box_Item *_e_box_smart_adopt(E_Smart_Data *sd, Evas_Object *obj);
  static void        _e_box_smart_disown(Evas_Object *obj);
  static void        _e_box_smart_item_del_hook(void *data, Evas *e, Evas_Object *obj, void *event_info);
  static void        _e_box_smart_reconfigure(E_Smart_Data *sd);
  static void        _e_box_smart_extents_calculate(E_Smart_Data *sd);
  
  static void _e_box_smart_init(void);
  static void _e_box_smart_add(Evas_Object *obj);
  static void _e_box_smart_del(Evas_Object *obj);
  static void _e_box_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y);
  static void _e_box_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h);
  static void _e_box_smart_show(Evas_Object *obj);
  static void _e_box_smart_hide(Evas_Object *obj);
  static void _e_box_smart_color_set(Evas_Object *obj, int r, int g, int b, int a);
  static void _e_box_smart_clip_set(Evas_Object *obj, Evas_Object *clip);
  static void _e_box_smart_clip_unset(Evas_Object *obj);
  
  /* local subsystem globals */
  static Evas_Smart *_e_smart = NULL;
  
  /* externally accessible functions */
  EAPI Evas_Object *
  e_box_add(Evas *evas)
  {
     _e_box_smart_init();
     return evas_object_smart_add(evas, _e_smart);
  }
  
  EAPI int
  e_box_freeze(Evas_Object *obj)
  {
     E_Smart_Data *sd;
     
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
     sd = evas_object_smart_data_get(obj);
     if (!sd) return 0;
     sd->frozen++;
     return sd->frozen;
  }
  
  EAPI int
  e_box_thaw(Evas_Object *obj)
  {
     E_Smart_Data *sd;
     
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
     sd = evas_object_smart_data_get(obj);
     if (!sd) return 0;
     sd->frozen--;
     if (sd->frozen <= 0) _e_box_smart_reconfigure(sd);
     return sd->frozen;
  }
  
  EAPI void
  e_box_orientation_set(Evas_Object *obj, int horizontal)
  {
     E_Smart_Data *sd;
     
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
     sd = evas_object_smart_data_get(obj);
     if (!sd) return;
     if (sd->horizontal == horizontal) return;
     sd->horizontal = horizontal;
     sd->changed = 1;
     if (sd->frozen <= 0) _e_box_smart_reconfigure(sd);
  }
  
  EAPI int
  e_box_orientation_get(Evas_Object *obj)
  {
     E_Smart_Data *sd;
     
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
     sd = evas_object_smart_data_get(obj);
     if (!sd) return 0;
     return sd->horizontal;
  }
  
  EAPI void
  e_box_homogenous_set(Evas_Object *obj, int homogenous)
  {
     E_Smart_Data *sd;
     
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
     sd = evas_object_smart_data_get(obj);
     if (!sd) return;
     if (sd->homogenous == homogenous) return;
     sd->homogenous = homogenous;
     sd->changed = 1;
     if (sd->frozen <= 0) _e_box_smart_reconfigure(sd);
  }
  
  EAPI int
  e_box_pack_start(Evas_Object *obj, Evas_Object *child)
  {
     E_Smart_Data *sd;
     
     if (!child) return 0;
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
     sd = evas_object_smart_data_get(obj);
     if (!sd) return 0;
     _e_box_smart_adopt(sd, child);
     sd->items = eina_list_prepend(sd->items, child);
     sd->changed = 1;
     if (sd->frozen <= 0) _e_box_smart_reconfigure(sd);
     return 0;
  }
  
  EAPI int
  e_box_pack_end(Evas_Object *obj, Evas_Object *child)
  {
     E_Smart_Data *sd;
     
     if (!child) return 0;
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
     sd = evas_object_smart_data_get(obj);
     if (!sd) return 0;
     _e_box_smart_adopt(sd, child);
     sd->items = eina_list_append(sd->items, child);
     sd->changed = 1;
     if (sd->frozen <= 0) _e_box_smart_reconfigure(sd);
     return eina_list_count(sd->items) - 1;
  }
  
  EAPI int
  e_box_pack_before(Evas_Object *obj, Evas_Object *child, Evas_Object *before)
  {
     E_Smart_Data *sd;
     int i = 0;
     Eina_List *l;
     Evas_Object *item;
     
     if (!child) return 0;
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
     sd = evas_object_smart_data_get(obj);
     if (!sd) return 0;
     _e_box_smart_adopt(sd, child);
     sd->items = eina_list_prepend_relative(sd->items, child, before);
     EINA_LIST_FOREACH(sd->items, l, item)
       {
  	if (item == child) break;
  	i++;
       }
     sd->changed = 1;
     if (sd->frozen <= 0) _e_box_smart_reconfigure(sd);
     return i;
  }
  
  EAPI int
  e_box_pack_after(Evas_Object *obj, Evas_Object *child, Evas_Object *after)
  {
     E_Smart_Data *sd;
     int i = 0;
     Eina_List *l;
     Evas_Object *item;
     
     if (!child) return 0;
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
     sd = evas_object_smart_data_get(obj);
     if (!sd) return 0;
     _e_box_smart_adopt(sd, child);
     sd->items = eina_list_append_relative(sd->items, child, after);
     EINA_LIST_FOREACH(sd->items, l, item)
       {
  	if (item == child) break;
  	i++;
       }
     sd->changed = 1;
     if (sd->frozen <= 0) _e_box_smart_reconfigure(sd);
     return i;
  }
  
  EAPI int
  e_box_pack_count_get(Evas_Object *obj)
  {
     E_Smart_Data *sd;
     
     sd = evas_object_smart_data_get(obj);
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
     if (!sd) return 0;
     return eina_list_count(sd->items);
  }
  
  EAPI Evas_Object *
  e_box_pack_object_nth(Evas_Object *obj, int n)
  {
     E_Smart_Data *sd;
     
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(NULL);
     sd = evas_object_smart_data_get(obj);
     if (!sd) return NULL;
     return eina_list_nth(sd->items, n);
  }
  
  EAPI Evas_Object *
  e_box_pack_object_first(Evas_Object *obj)
  {
     E_Smart_Data *sd;
     
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(NULL);
     sd = evas_object_smart_data_get(obj);
     if (!sd) return NULL;
     return eina_list_data_get(sd->items);
  }
  
  EAPI Evas_Object *
  e_box_pack_object_last(Evas_Object *obj)
  {
     E_Smart_Data *sd;
     
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(NULL);
     sd = evas_object_smart_data_get(obj);
     if (!sd) return NULL;
     return eina_list_data_get(eina_list_last(sd->items));
  }
  
  EAPI void
  e_box_pack_options_set(Evas_Object *obj, int fill_w, int fill_h, int expand_w, int expand_h, double align_x, double align_y, Evas_Coord min_w, Evas_Coord min_h, Evas_Coord max_w, Evas_Coord max_h)
  {
     E_Box_Item *bi;
     
     bi = evas_object_data_get(obj, "e_box_data");
     if (!bi) return;
     bi->fill_w = fill_w;
     bi->fill_h = fill_h;
     bi->expand_w = expand_w;
     bi->expand_h = expand_h;
     bi->align.x = align_x;
     bi->align.y = align_y;
     bi->min.w = min_w;
     bi->min.h = min_h;
     bi->max.w = max_w;
     bi->max.h = max_h;
     bi->sd->changed = 1;
     if (bi->sd->frozen <= 0) _e_box_smart_reconfigure(bi->sd);
  }
  
  EAPI void
  e_box_unpack(Evas_Object *obj)
  {
     E_Box_Item *bi;
     E_Smart_Data *sd;
     
     if (!obj) return;
     bi = evas_object_data_get(obj, "e_box_data");
     if (!bi) return;
     sd = bi->sd;
     if (!sd) return;
     sd->items = eina_list_remove(sd->items, obj);
     _e_box_smart_disown(obj);
     sd->changed = 1;
     if (sd->frozen <= 0) _e_box_smart_reconfigure(sd);
  }
  
  EAPI void
  e_box_size_min_get(Evas_Object *obj, Evas_Coord *minw, Evas_Coord *minh)
  {
     E_Smart_Data *sd;
     
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
     sd = evas_object_smart_data_get(obj);
     if (!sd) return;
     if (sd->changed) _e_box_smart_extents_calculate(sd);
     if (minw) *minw = sd->min.w;
     if (minh) *minh = sd->min.h;
  }
  
  EAPI void
  e_box_size_max_get(Evas_Object *obj, Evas_Coord *maxw, Evas_Coord *maxh)
  {
     E_Smart_Data *sd;
     
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
     sd = evas_object_smart_data_get(obj);
     if (!sd) return;
     if (sd->changed) _e_box_smart_extents_calculate(sd);
     if (maxw) *maxw = sd->max.w;
     if (maxh) *maxh = sd->max.h;
  }
  
  EAPI void
  e_box_align_get(Evas_Object *obj, double *ax, double *ay)
  {
     E_Smart_Data *sd;
     
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
     sd = evas_object_smart_data_get(obj);
     if (!sd) return;
     if (ax) *ax = sd->align.x;
     if (ay) *ay = sd->align.y;
  }
  
  EAPI void
  e_box_align_set(Evas_Object *obj, double ax, double ay)
  {
     E_Smart_Data *sd;
     
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
     sd = evas_object_smart_data_get(obj);
     if (!sd) return;
     if ((sd->align.x == ax) && (sd->align.y == ay)) return;
     sd->align.x = ax;
     sd->align.y = ay;
     sd->changed = 1;
     if (sd->frozen <= 0) _e_box_smart_reconfigure(sd);
  }
  
  /*
   * Returns the number of pixels that are hidden on the left/top side.
   */
  EAPI void
  e_box_align_pixel_offset_get(Evas_Object *obj, int *x, int *y)
  {
     E_Smart_Data *sd;
     
     if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
     sd = evas_object_smart_data_get(obj);
     if (!sd) return;
     if (x) *x = (sd->min.w - sd->w) * (1.0 - sd->align.x);
     if (y) *y = (sd->min.h - sd->h) * (1.0 - sd->align.y);
  }
  
  /* local subsystem functions */
  static E_Box_Item *
  _e_box_smart_adopt(E_Smart_Data *sd, Evas_Object *obj)
  {
     E_Box_Item *bi;
     
     bi = calloc(1, sizeof(E_Box_Item));
     if (!bi) return NULL;
     bi->sd = sd;
     bi->obj = obj;
     /* defaults */
     bi->fill_w = 0;
     bi->fill_h = 0;
     bi->expand_w = 0;
     bi->expand_h = 0;
     bi->align.x = 0.5;
     bi->align.y = 0.5;
     bi->min.w = 0;
     bi->min.h = 0;
     bi->max.w = 0;
     bi->max.h = 0;
     evas_object_clip_set(obj, sd->clip);
     evas_object_smart_member_add(obj, bi->sd->obj);
     evas_object_data_set(obj, "e_box_data", bi);
     evas_object_event_callback_add(obj, EVAS_CALLBACK_FREE,
  				  _e_box_smart_item_del_hook, NULL);
     if ((!evas_object_visible_get(sd->clip)) &&
         (evas_object_visible_get(sd->obj)))
       evas_object_show(sd->clip);
     return bi;
  }
  
  static void
  _e_box_smart_disown(Evas_Object *obj)
  {
     E_Box_Item *bi;
     
     bi = evas_object_data_get(obj, "e_box_data");
     if (!bi) return;
     if (!bi->sd->items)
       {
  	if (evas_object_visible_get(bi->sd->clip))
  	  evas_object_hide(bi->sd->clip);
       }
     evas_object_event_callback_del(obj,
  				  EVAS_CALLBACK_FREE,
  				  _e_box_smart_item_del_hook);
     evas_object_smart_member_del(obj);
     evas_object_clip_unset(obj);
     evas_object_data_del(obj, "e_box_data");
     free(bi);
  }
  
  static void
  _e_box_smart_item_del_hook(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
  {
     e_box_unpack(obj);
  }
  
  static void
  _e_box_smart_reconfigure(E_Smart_Data *sd)
  {
     Evas_Coord x, y, w, h, xx, yy;
     Eina_List *l;
     Evas_Object *obj;
     int minw, minh, wdif, hdif;
     int count, expand;
  
     if (!sd->changed) return;
     
     x = sd->x;
     y = sd->y;
     w = sd->w;
     h = sd->h;
  
     _e_box_smart_extents_calculate(sd);
     minw = sd->min.w;
     minh = sd->min.h;
     count = eina_list_count(sd->items);
     expand = 0;
     if (w < minw)
       {
  	x = x + ((w - minw) * (1.0 - sd->align.x));
  	w = minw;
       }
     if (h < minh)
       {
  	y = y + ((h - minh) * (1.0 - sd->align.y));
  	h = minh;
       }
     EINA_LIST_FOREACH(sd->items, l, obj)
       {
  	E_Box_Item *bi;
  	bi = evas_object_data_get(obj, "e_box_data");
  	if (bi)
  	  {
  	     if (sd->horizontal)
  	       {
  		  if (bi->expand_w) expand++;
  	       }
  	     else
  	       {
  		  if (bi->expand_h) expand++;
  	       }
  	  }
       }
     if (expand == 0)
       {
  	if (sd->horizontal)
  	  {
  	     x += (double)(w - minw) * sd->align.x;
  	     w = minw;
  	  }
  	else
  	  {
  	     y += (double)(h - minh) * sd->align.y;
  	     h = minh;
  	  }
       }
     wdif = w - minw;
     hdif = h - minh;
     xx = x;
     yy = y;
     EINA_LIST_FOREACH(sd->items, l, obj)
       {
  	E_Box_Item *bi;
  	
  	bi = evas_object_data_get(obj, "e_box_data");
  	if (bi)
  	  {
  	     if (sd->horizontal)
  	       {
  		  if (sd->homogenous)
  		    {
  		       Evas_Coord ww, hh, ow, oh;
  		       
  		       ww = (w / (Evas_Coord)count);
  		       hh = h;
  		       ow = bi->min.w;
  		       if (bi->fill_w) ow = ww;
  		       if ((bi->max.w >= 0) && (bi->max.w < ow)) 
                           ow = bi->max.w;
  		       oh = bi->min.h;
  		       if (bi->fill_h) oh = hh;
  		       if ((bi->max.h >= 0) && (bi->max.h < oh)) 
                           oh = bi->max.h;
  		       evas_object_move(obj, 
  					xx + (Evas_Coord)(((double)(ww - ow)) * bi->align.x),
  					yy + (Evas_Coord)(((double)(hh - oh)) * bi->align.y));
  		       evas_object_resize(obj, ow, oh);
  		       xx += ww;
  		    }
  		  else
  		    {
  		       Evas_Coord ww, hh, ow, oh;
  		       
  		       ww = bi->min.w;
  		       if ((expand > 0) && (bi->expand_w))
  			 {
  			    if (expand == 1) ow = wdif;
  			    else ow = (w - minw) / expand;
  			    wdif -= ow;
  			    ww += ow;
  			 }
  		       hh = h;
  		       ow = bi->min.w;
  		       if (bi->fill_w) ow = ww;
  		       if ((bi->max.w >= 0) && (bi->max.w < ow)) ow = bi->max.w;
  		       oh = bi->min.h;
  		       if (bi->fill_h) oh = hh;
  		       if ((bi->max.h >= 0) && (bi->max.h < oh)) oh = bi->max.h;
  		       evas_object_move(obj, 
  					xx + (Evas_Coord)(((double)(ww - ow)) * bi->align.x),
  					yy + (Evas_Coord)(((double)(hh - oh)) * bi->align.y));
  		       evas_object_resize(obj, ow, oh);
  		       xx += ww;
  		    }
  	       }
  	     else
  	       {
  		  if (sd->homogenous)
  		    {
  		       Evas_Coord ww, hh, ow, oh;
  		       
  		       ww = w;
  		       hh = (h / (Evas_Coord)count);
  		       ow = bi->min.w;
  		       if (bi->fill_w) ow = ww;
  		       if ((bi->max.w >= 0) && (bi->max.w < ow)) ow = bi->max.w;
  		       oh = bi->min.h;
  		       if (bi->fill_h) oh = hh;
  		       if ((bi->max.h >= 0) && (bi->max.h < oh)) oh = bi->max.h;
  		       evas_object_move(obj, 
  					xx + (Evas_Coord)(((double)(ww - ow)) * bi->align.x),
  					yy + (Evas_Coord)(((double)(hh - oh)) * bi->align.y));
  		       evas_object_resize(obj, ow, oh);
  		       yy += hh;
  		    }
  		  else
  		    {
  		       Evas_Coord ww, hh, ow, oh;
  		       
  		       ww = w;
  		       hh = bi->min.h;
  		       if ((expand > 0) && (bi->expand_h))
  			 {
  			    if (expand == 1) oh = hdif;
  			    else oh = (h - minh) / expand;
  			    hdif -= oh;
  			    hh += oh;
  			 }
  		       ow = bi->min.w;
  		       if (bi->fill_w) ow = ww;
  		       if ((bi->max.w >= 0) && (bi->max.w < ow)) ow = bi->max.w;
  		       oh = bi->min.h;
  		       if (bi->fill_h) oh = hh;
  		       if ((bi->max.h >= 0) && (bi->max.h < oh)) oh = bi->max.h;
  		       evas_object_move(obj, 
  					xx + (Evas_Coord)(((double)(ww - ow)) * bi->align.x),
  					yy + (Evas_Coord)(((double)(hh - oh)) * bi->align.y));
  		       evas_object_resize(obj, ow, oh);
  		       yy += hh;
  		    }
  	       }
  	  }
       }
     sd->changed = 0;
  }
  
  static void
  _e_box_smart_extents_calculate(E_Smart_Data *sd)
  {
     Eina_List *l;
     Evas_Object *obj;
     int minw, minh;
  
     /* FIXME: need to calc max */
     sd->max.w = -1; /* max < 0 == unlimited */
     sd->max.h = -1;
     
     minw = 0;
     minh = 0;
     if (sd->homogenous)
       {
  	EINA_LIST_FOREACH(sd->items, l, obj)
  	  {
  	     E_Box_Item *bi;
  	     
  	     bi = evas_object_data_get(obj, "e_box_data");	
  	     if (bi)
  	       {
                    if (minh < bi->min.h) minh = bi->min.h;
                    if (minw < bi->min.w) minw = bi->min.w;
  	       }
  	  }
  	if (sd->horizontal)
            minw *= eina_list_count(sd->items);	     
  	else
            minh *= eina_list_count(sd->items);	     
       }
     else
       {
  	EINA_LIST_FOREACH(sd->items, l, obj)
  	  {
  	     E_Box_Item *bi;
  	     
  	     bi = evas_object_data_get(obj, "e_box_data");
  	     if (bi)
  	       {
  		  if (sd->horizontal)
  		    {
  		       if (minh < bi->min.h) minh = bi->min.h;
  		       minw += bi->min.w;
  		    }
  		  else
  		    {
  		       if (minw < bi->min.w) minw = bi->min.w;
  		       minh += bi->min.h;
  		    }
  	       }
  	  }
       }
     sd->min.w = minw;
     sd->min.h = minh;
  }
  
  static void
  _e_box_smart_init(void)
  {
     if (_e_smart) return;
       {
  	static const Evas_Smart_Class sc =
  	  {
  	     "e_box",
  	       EVAS_SMART_CLASS_VERSION,
  	       _e_box_smart_add,
  	       _e_box_smart_del,
  	       _e_box_smart_move,
  	       _e_box_smart_resize,
  	       _e_box_smart_show,
  	       _e_box_smart_hide,
  	       _e_box_smart_color_set,
  	       _e_box_smart_clip_set,
  	       _e_box_smart_clip_unset,
  	       NULL,
  	       NULL,
  	       NULL,
  	       NULL,
  	       NULL,
  	       NULL,
  	       NULL
  	  };
  	_e_smart = evas_smart_class_new(&sc);
       }
  }
  
  static void
  _e_box_smart_add(Evas_Object *obj)
  {
     E_Smart_Data *sd;
     
     sd = calloc(1, sizeof(E_Smart_Data));
     if (!sd) return;
     sd->obj = obj;
     sd->x = 0;
     sd->y = 0;
     sd->w = 0;
     sd->h = 0;
     sd->align.x = 0.5;
     sd->align.y = 0.5;
     sd->clip = evas_object_rectangle_add(evas_object_evas_get(obj));
     evas_object_smart_member_add(sd->clip, obj);
     evas_object_move(sd->clip, -100004, -100004);
     evas_object_resize(sd->clip, 200008, 200008);
     evas_object_color_set(sd->clip, 255, 255, 255, 255);
     evas_object_smart_data_set(obj, sd);
  }
     
  static void
  _e_box_smart_del(Evas_Object *obj)
  {
     E_Smart_Data *sd;
     
     sd = evas_object_smart_data_get(obj);
     if (!sd) return;
     /* FIXME: this gets into an infinite loop when changin basic->advanced on
      * ibar config dialog
      */
     e_box_freeze(obj);
     while (sd->items)
       {
  	Evas_Object *child;
  	
  	child = eina_list_data_get(sd->items);
  	e_box_unpack(child);
       }
     e_box_thaw(obj);
     evas_object_del(sd->clip);
     free(sd);
  
     evas_object_smart_data_set(obj, NULL);
  }
  
  static void
  _e_box_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
  {
     E_Smart_Data *sd;
     
     sd = evas_object_smart_data_get(obj);
     if (!sd) return;
     if ((x == sd->x) && (y == sd->y)) return;
       {
  	Eina_List *l;
  	Evas_Object *item;
  	Evas_Coord dx, dy;
  	
  	dx = x - sd->x;
  	dy = y - sd->y;
  	EINA_LIST_FOREACH(sd->items, l, item)
  	  {
  	     Evas_Coord ox, oy;
  	     
  	     evas_object_geometry_get(item, &ox, &oy, NULL, NULL);
  	     evas_object_move(item, ox + dx, oy + dy);
  	  }
       }
     sd->x = x;
     sd->y = y;
  }
  
  static void
  _e_box_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
  {
     E_Smart_Data *sd;
     
     sd = evas_object_smart_data_get(obj);
     if (!sd) return;
     if ((w == sd->w) && (h == sd->h)) return;
     sd->w = w;
     sd->h = h;
     sd->changed = 1;
     _e_box_smart_reconfigure(sd);
  }
  
  static void
  _e_box_smart_show(Evas_Object *obj)
  {
     E_Smart_Data *sd;
     
     sd = evas_object_smart_data_get(obj);
     if (!sd) return;
     if (sd->items) evas_object_show(sd->clip);
  }
  
  static void
  _e_box_smart_hide(Evas_Object *obj)
  {
     E_Smart_Data *sd;
     
     sd = evas_object_smart_data_get(obj);
     if (!sd) return;
     evas_object_hide(sd->clip);
  }
  
  static void
  _e_box_smart_color_set(Evas_Object *obj, int r, int g, int b, int a)
  {
     E_Smart_Data *sd;
     
     sd = evas_object_smart_data_get(obj);
     if (!sd) return;   
     evas_object_color_set(sd->clip, r, g, b, a);
  }
  
  static void
  _e_box_smart_clip_set(Evas_Object *obj, Evas_Object *clip)
  {
     E_Smart_Data *sd;
     
     sd = evas_object_smart_data_get(obj);
     if (!sd) return;
     evas_object_clip_set(sd->clip, clip);
  }
  
  static void
  _e_box_smart_clip_unset(Evas_Object *obj)
  {
     E_Smart_Data *sd;
     
     sd = evas_object_smart_data_get(obj);
     if (!sd) return;
     evas_object_clip_unset(sd->clip);
  }  
  