enlightenment/src/bin/e_gadget.c

#include "e.h"


#ifdef HAVE_WAYLAND
EINTERN void e_gadget_runner_init(void);
EINTERN void e_gadget_runner_shutdown(void);
EINTERN void e_gadget_runner_save(void);
#endif

#define SNAP_DISTANCE 5
#define E_GADGET_TYPE 0xE31337

#define IS_HORIZ(orient) \
  ((orient) == E_GADGET_SITE_ORIENT_HORIZONTAL)

#define IS_VERT(orient) \
  ((orient) == E_GADGET_SITE_ORIENT_VERTICAL)

#define ZGS_GET(obj) \
   E_Gadget_Site *zgs; \
   zgs = evas_object_data_get((obj), "__e_gadget_site"); \
   if (!zgs) abort()

typedef struct E_Gadget_Config E_Gadget_Config;

typedef struct E_Gadget_Site
{
   Eina_Stringshare *name;
   Eina_Bool autoadd;
   E_Gadget_Site_Gravity gravity;
   E_Gadget_Site_Orient orient;
   E_Gadget_Site_Anchor anchor;
   Eina_List *gadgets;
   Eina_Inlist *gadget_list;

   Evas_Object *layout;
   Evas_Object *events;
   E_Gadget_Style_Cb style_cb;
   int cur_size;
   Ecore_Job *calc_job;

   E_Gadget_Config *action;
   Ecore_Event_Handler *move_handler;
   Ecore_Event_Handler *mouse_up_handler;

   Evas_Object *editor;
} E_Gadget_Site;


struct E_Gadget_Config
{
   EINA_INLIST;
   int id;
   struct
   {
      Eina_Stringshare *domain;
      Eina_Stringshare *type;
   } external;
   int zone;
   Eina_Stringshare *type;
   E_Object *e_obj_inherit;
   Evas_Object *display;
   Evas_Object *gadget;
   struct
   {
      Evas_Object *obj;
      int minw, minh;
      Eina_Stringshare *name;
   } style;
   E_Gadget_Configure_Cb configure;
   Evas_Object *cfg_object;
   E_Gadget_Site *site;
   E_Menu *menu;

   struct
   {
      Evas_Object *popup;
      Evas_Smart_Cb allow;
      Evas_Smart_Cb deny;
      void *data;
   } allow_deny;

   Eina_Hash *drop_handlers;

   double x, y; //fixed % positioning
   double w, h; //fixed % sizing
   Evas_Point offset; //offset from mouse down
   Evas_Point down; //coords from mouse down
   E_Gadget_Config *orig; //gadget is a copy of the original gadget during a move
   E_Gadget_Site_Anchor resizing;
   Eina_Bool moving : 1;
   Eina_Bool display_del : 1; //deleted using ->display
};

typedef struct E_Gadget_Sites
{
   Eina_List *sites;
} E_Gadget_Sites;

typedef struct E_Gadget_External_Type
{
   E_Gadget_External_Create_Cb cb;
   E_Gadget_External_Wizard_Cb wizard;
   E_Gadget_External_Name_Cb name;
} E_Gadget_External_Type;

typedef struct E_Gadget_Type
{
   E_Gadget_Create_Cb cb;
   E_Gadget_Wizard_Cb wizard;
} E_Gadget_Type;

typedef struct Gadget_Item
{
   Evas_Object *box;
   Evas_Object *editor;
   Evas_Object *gadget;
   Evas_Object *site;
   Elm_Object_Item *it;
} Gadget_Item;

#define DESKLOCK_DEMO_LAYER (E_LAYER_CLIENT_POPUP - 100)

static Eina_List *desktop_handlers;
static Evas_Object *desktop_rect;
static Evas_Object *desktop_editor;
static Eina_Bool added;

static Evas_Object *pointer_site;
static Eina_List *pointer_site_handlers;

static Eina_Hash *gadget_external_domains;
static Eina_Hash *gadget_types;
static E_Gadget_Sites *sites;
static Eina_List *handlers;

static Evas_Object *comp_site;

static E_Action *move_act;
static E_Action *resize_act;
static E_Action *configure_act;
static E_Action *menu_act;

static E_Config_DD *edd_sites;
static E_Config_DD *edd_site;
static E_Config_DD *edd_gadget;

static void _gadget_object_finalize(E_Gadget_Config *zgc);
static Eina_Bool _gadget_object_create(E_Gadget_Config *zgc);
static void _editor_pointer_site_init(E_Gadget_Site_Orient orient, Evas_Object *site, Evas_Object *editor, Eina_Bool );
static void _gadget_drop_handler_moveresize(void *data, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED);
static void _edit_site_del(void *data, Evas *e, Evas_Object *obj, void *event_info);

static void
_site_recalc_job_cb(E_Gadget_Site *zgs)
{
   zgs->calc_job = NULL;
   evas_object_smart_need_recalculate_set(zgs->layout, 1);
}

static void
_site_recalc_job(E_Gadget_Site *zgs)
{
   if (zgs->calc_job) ecore_job_del(zgs->calc_job);
   zgs->calc_job = ecore_job_add((Ecore_Cb)_site_recalc_job_cb, zgs);
}

static E_Gadget_External_Type *
_gadget_external_type_get(const char *domain, const char *type)
{
   Eina_Hash *h;
   if (!gadget_external_domains) return NULL;
   h = eina_hash_find(gadget_external_domains, domain);
   if (!h) return NULL;
   return eina_hash_find(h, type);
}

static Eina_Bool
_editor_site_visible(void)
{
   Eina_List *l;
   E_Gadget_Site *zgs;

   if (desktop_editor) return evas_object_visible_get(desktop_editor);
   EINA_LIST_FOREACH(sites->sites, l, zgs)
     if (zgs->editor && evas_object_visible_get(zgs->editor)) return EINA_TRUE;
   return EINA_FALSE;
}

static void
_comp_site_resize(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   Eina_List *l;
   E_Gadget_Config *zgc;

   evas_object_resize(data, e_comp->w, e_comp->h);
   ZGS_GET(comp_site);
   EINA_LIST_FOREACH(zgs->gadgets, l, zgc)
     {
        if (!zgc->display)
          _gadget_object_create(zgc);
        else if (!e_comp_zone_number_get(zgc->zone))
          evas_object_del(zgc->display);
     }
}

static void
_gadget_free(E_Gadget_Config *zgc)
{
   evas_object_del(zgc->display);
   eina_stringshare_del(zgc->type);
   eina_stringshare_del(zgc->external.type);
   eina_stringshare_del(zgc->external.domain);
   eina_stringshare_del(zgc->style.name);
   free(zgc);
}

static E_Gadget_Config *
_gadget_at_xy(E_Gadget_Site *zgs, int x, int y, E_Gadget_Config *exclude)
{
   Eina_List *l;
   E_Gadget_Config *zgc, *saved = NULL;

   EINA_LIST_FOREACH(zgs->gadgets, l, zgc)
     {
        int ox, oy, ow, oh;

        if (!zgc->gadget) continue;

        evas_object_geometry_get(zgc->display, &ox, &oy, &ow, &oh);
        if (E_INSIDE(x, y, ox, oy, ow, oh))
          {
             if (zgc == exclude) saved = zgc;
             else return zgc;
          }
     }
   return saved;
}

static void
_gravity_apply(E_Gadget_Site *zgs, E_Gadget_Site_Gravity gravity)
{
   double ax = 0.5, ay = 0.5;

   switch (gravity)
     {
      case E_GADGET_SITE_GRAVITY_LEFT:
        ax = 0;
        break;
      case E_GADGET_SITE_GRAVITY_RIGHT:
        ax = 1;
        break;
      default: break;
     }
   switch (gravity)
     {
      case E_GADGET_SITE_GRAVITY_TOP:
        ay = 0;
        break;
      case E_GADGET_SITE_GRAVITY_BOTTOM:
        ay = 1;
        break;
      default: break;
     }
   elm_box_align_set(zgs->layout, ax, ay);
   evas_object_smart_callback_call(zgs->layout, "gadget_site_gravity", NULL);
}

static void
_gadget_reparent(E_Gadget_Site *zgs, E_Gadget_Config *zgc)
{
   Eina_Inlist *l = EINA_INLIST_GET(zgc);
   E_Gadget_Config *z;

   if (!zgs->orient)
     {
        evas_object_layer_set(zgc->display, evas_object_layer_get(zgs->layout));
        evas_object_stack_below(zgc->display, zgs->events);
        if (evas_object_visible_get(zgs->events))
          evas_object_show(zgc->display);
        return;
     }
   switch (zgs->gravity)
     {
      case E_GADGET_SITE_GRAVITY_NONE:
        /* fake */
        break;
      case E_GADGET_SITE_GRAVITY_LEFT:
      case E_GADGET_SITE_GRAVITY_TOP:
        for (l = l->prev; l; l = l->prev)
          {
             z = EINA_INLIST_CONTAINER_GET(l, E_Gadget_Config);
             if (!z->display) continue;
             elm_box_pack_after(zgs->layout, zgc->display, z->display);
             return;
          }
        elm_box_pack_end(zgs->layout, zgc->display);
        break;
      default:
        for (l = l->next; l; l = l->next)
          {
             z = EINA_INLIST_CONTAINER_GET(l, E_Gadget_Config);
             if (!z->display) continue;
             elm_box_pack_before(zgs->layout, zgc->display, z->display);
             return;
          }
        /* right aligned: pack on left */
        elm_box_pack_start(zgs->layout, zgc->display);
     }
}

static void
_desktop_rect_obj_add(Evas_Object *obj)
{
   if (!desktop_rect) return;
   evas_object_smart_member_add(obj, desktop_rect);
   evas_object_propagate_events_set(obj, 0);
   if (e_comp->autoclose.obj != obj) return;
   evas_object_smart_member_add(e_comp->autoclose.rect, desktop_rect);
   evas_object_propagate_events_set(e_comp->autoclose.rect, 0);
}

static void
_gadget_popup_hide(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   if (desktop_editor) evas_object_show(desktop_editor);
}

static void
_gadget_popup(void *data, Evas_Object *obj EINA_UNUSED, void *event_info)
{
   E_Gadget_Site *zgs = data;

   if (event_info && elm_object_widget_check(event_info))
     elm_object_tree_focus_allow_set(event_info, 0);
   if (event_info) _desktop_rect_obj_add(event_info);
   evas_object_smart_callback_call(zgs->layout, "gadget_site_popup", event_info);
   if (!event_info) return;
   evas_object_event_callback_add(event_info, EVAS_CALLBACK_HIDE, _gadget_popup_hide, zgs);
   if (desktop_editor) evas_object_hide(desktop_editor);
}

static void
_gadget_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
{
   E_Gadget_Config *zgc = data;

   zgc->display_del = obj == zgc->display;
   if (!e_object_is_del(zgc->e_obj_inherit))
     e_object_del(zgc->e_obj_inherit);
}

static void
_gadget_util_allow_deny_cleanup(E_Gadget_Config *zgc)
{
   zgc->allow_deny.allow = zgc->allow_deny.deny = NULL;
   zgc->allow_deny.data = NULL;
   evas_object_hide(zgc->allow_deny.popup);
   E_FREE_FUNC(zgc->allow_deny.popup, evas_object_del);
}

static void
_gadget_drop_handler_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
{
   E_Gadget_Config *zgc = data;

   if (zgc->drop_handlers)//may be calling during object_free
     eina_hash_del_by_key(zgc->drop_handlers, &obj);
}

static void
_gadget_object_free(E_Object *eobj)
{
   E_Gadget_Config *zgc;
   Evas_Object *g;

   g = e_object_data_get(eobj);
   zgc = evas_object_data_get(g, "__e_gadget");
   evas_object_smart_callback_call(zgc->site->layout, "gadget_destroyed", zgc->gadget);
   evas_object_event_callback_del_full(zgc->gadget, EVAS_CALLBACK_DEL, _gadget_del, zgc);
   if (zgc->display_del || (zgc->gadget == zgc->display))
     zgc->display = NULL;
   else
     {
        evas_object_event_callback_del_full(zgc->display, EVAS_CALLBACK_DEL, _gadget_del, zgc);
        E_FREE_FUNC(zgc->display, evas_object_del);
     }
   zgc->gadget = NULL;

   if (zgc->drop_handlers)
     {
        Evas_Object **drop_object;
        Eina_Iterator *it = eina_hash_iterator_key_new(zgc->drop_handlers);

        EINA_ITERATOR_FOREACH(it, drop_object)
          {
             evas_object_event_callback_del(*drop_object, EVAS_CALLBACK_MOVE, _gadget_drop_handler_moveresize);
             evas_object_event_callback_del(*drop_object, EVAS_CALLBACK_RESIZE, _gadget_drop_handler_moveresize);
             evas_object_event_callback_del(*drop_object, EVAS_CALLBACK_DEL, _gadget_drop_handler_del);
          }
        eina_iterator_free(it);
     }

   E_FREE_FUNC(zgc->drop_handlers, eina_hash_free);
   E_FREE_FUNC(zgc->gadget, evas_object_del);
   E_FREE_FUNC(zgc->cfg_object, evas_object_del);
   E_FREE_FUNC(zgc->style.obj, evas_object_del);
   _gadget_util_allow_deny_cleanup(zgc);
   E_FREE(zgc->e_obj_inherit);
   zgc->configure = NULL;
   zgc->display_del = zgc->moving = zgc->resizing = 0;
   if (zgc->id == -1) _gadget_free(zgc);
}

static void
_gadget_remove(E_Gadget_Config *zgc)
{
   int id = zgc->id;
   evas_object_smart_callback_call(zgc->site->layout, "gadget_removed", zgc->gadget);
   zgc->site->gadget_list = eina_inlist_remove(zgc->site->gadget_list, EINA_INLIST_GET(zgc));
   zgc->site->gadgets = eina_list_remove(zgc->site->gadgets, zgc);
   if (id >= 0)
     {
        _gadget_free(zgc);
        e_config_save_queue();
     }
   else
     evas_object_del(zgc->display);
}

static void
_gadget_wizard_end(void *data, int id)
{
   E_Gadget_Config *zgc = data;

   zgc->id = id;
   evas_object_smart_callback_call(zgc->site->layout, "gadget_site_unlocked", NULL);
   e_comp_ungrab_input(1, 1);
   if (id > 0)
     {
        _gadget_object_finalize(zgc);
        added = 0;
     }
   else
     _gadget_remove(zgc);
}

static void
_gadget_wizard_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
{
   E_Gadget_Config *zgc = data;

   if (zgc->cfg_object == obj) zgc->cfg_object = NULL;
   if (desktop_editor) evas_object_show(desktop_editor);
}

static void
_gadget_object_hints(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   E_Gadget_Config *zgc = data;
   _site_recalc_job(zgc->site);
}

static Eina_Bool
_gadget_object_create(E_Gadget_Config *zgc)
{
   E_Gadget_Type *t = NULL;
   E_Gadget_External_Type *te = NULL;
   Evas_Object *g;

   if (zgc->external.domain)
     {
        te = _gadget_external_type_get(zgc->external.domain, zgc->external.type);
        if (!te) return EINA_TRUE; //can't create yet
     }
   else
     {
        t = eina_hash_find(gadget_types, zgc->type);
        if (!t) return EINA_TRUE; //can't create yet
     }

   if (!zgc->id)
     {
        if ((t && t->wizard) || (te && te->wizard))
          {
             if (t)
               zgc->cfg_object = t->wizard(_gadget_wizard_end, zgc, zgc->site->layout);
             else
               zgc->cfg_object = te->wizard(_gadget_wizard_end, zgc, zgc->external.type, zgc->site->layout);
             if (!zgc->cfg_object)
               {
                  added = 1;
                  if (desktop_editor) evas_object_show(desktop_editor);
                  return EINA_FALSE;
               }
             e_comp_grab_input(1, 1);
             evas_object_event_callback_add(zgc->cfg_object, EVAS_CALLBACK_DEL, _gadget_wizard_del, zgc);
             _desktop_rect_obj_add(zgc->cfg_object);
             evas_object_smart_callback_call(zgc->site->layout, "gadget_site_popup", zgc->cfg_object);
             evas_object_smart_callback_call(zgc->site->layout, "gadget_site_locked", NULL);
             return EINA_TRUE;
          }
     }
   if (desktop_editor) evas_object_show(desktop_editor);
   if ((zgc->zone >= 0) && (!e_comp_zone_number_get(zgc->zone))) return EINA_FALSE;
   /* if id is < 0, gadget creates dummy config for demo use
    * if id is 0, gadget creates new config and returns id
    * otherwise, config of `id` is applied to created object
    *
    * a gadget should return NULL for any demo instance where it
    * should not be shown
    */
   if (t)
     g = t->cb(zgc->site->layout, &zgc->id, zgc->site->orient);
   else
     g = te->cb(zgc->site->layout, zgc->external.type, &zgc->id, zgc->site->orient);
   if (zgc->id < 0)
     {
        if (!g) return EINA_FALSE;
     }
   EINA_SAFETY_ON_NULL_RETURN_VAL(g, EINA_FALSE);
   added = 1;

   zgc->e_obj_inherit = E_OBJECT_ALLOC(E_Object, E_GADGET_TYPE, _gadget_object_free);
   e_object_data_set(zgc->e_obj_inherit, g);
   zgc->gadget = zgc->display = g;
   evas_object_event_callback_add(g, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _gadget_object_hints, zgc);
   evas_object_smart_callback_add(g, "gadget_popup", _gadget_popup, zgc->site);
   evas_object_data_set(g, "__e_gadget", zgc);
   if (zgc->site->style_cb)
     zgc->site->style_cb(zgc->site->layout, zgc->style.name, g);

   if (!zgc->site->orient)
     evas_object_smart_need_recalculate_set(zgc->site->layout, 1);
   evas_object_event_callback_priority_add(g, EVAS_CALLBACK_DEL, EVAS_CALLBACK_PRIORITY_AFTER, _gadget_del, zgc);
   _gadget_reparent(zgc->site, zgc);
   if (elm_object_widget_check(zgc->gadget))
     elm_object_tree_focus_allow_set(zgc->gadget, 0);
   evas_object_raise(zgc->site->events);

   evas_object_smart_callback_call(zgc->site->layout, "gadget_created", g);
   evas_object_show(zgc->display);
   if (zgc->site->editor) _desktop_rect_obj_add(zgc->display);
   return EINA_TRUE;
}

static void
_gadget_object_finalize(E_Gadget_Config *zgc)
{
   zgc->moving = 0;
   if (_gadget_object_create(zgc))
     {
        if (!zgc->display) return;
        evas_object_smart_callback_call(zgc->site->layout, "gadget_added", zgc->gadget);
        e_config_save_queue();
        return;
     }
   zgc->site->gadgets = eina_list_remove(zgc->site->gadgets, zgc);
   zgc->site->gadget_list = eina_inlist_remove(zgc->site->gadget_list, EINA_INLIST_GET(zgc));
   eina_stringshare_del(zgc->type);
   eina_stringshare_del(zgc->external.type);
   eina_stringshare_del(zgc->external.domain);
   free(zgc);
}

static void
_site_gadget_aspect(E_Gadget_Config *zgc, Evas_Coord *ww, Evas_Coord *hh, int ax, int ay, Evas_Aspect_Control aspect)
{
   if (aspect && ax && ay)
     {
        switch (aspect)
          {
           case EVAS_ASPECT_CONTROL_HORIZONTAL:
             *hh = (*ww * (double)ay / ax);
             break;
           case EVAS_ASPECT_CONTROL_VERTICAL:
             *ww = (*hh * (double)ax / ay);
             break;
           default:
             if (IS_HORIZ(zgc->site->orient))
               *ww = (*hh * (double)ax / ay);
             else if (IS_VERT(zgc->site->orient))
               *hh = (*ww * (double)ay / ax);
             else if (aspect)
               {
                  double ar = ax / (double) ay;

                  if (ax == ay)
                    {
                       if (*ww > *hh)
                         *hh = *ww;
                       else
                         *ww = *hh;
                    }
                  else if (ar > 1.0)
                    *hh = (*ww * (double)ay / ax);
                  else
                    *ww = (*hh * (double)ax / ay);
               }
          }
     }
}

static Eina_Bool
_site_gadget_resize(Evas_Object *g, int w, int h, Evas_Coord *ww, Evas_Coord *hh, Evas_Coord *ow, Evas_Coord *oh)
{
   Evas_Coord mnw, mnh, mxw, mxh;
   E_Gadget_Config *zgc;
   Evas_Aspect_Control aspect;
   int ax, ay;
   double ex, ey;
   Eina_Bool ret = EINA_FALSE;

   zgc = evas_object_data_get(g, "__e_gadget");
   w -= zgc->style.minw;
   h -= zgc->style.minh;

   evas_object_size_hint_min_get(g, &mnw, &mnh);
   evas_object_size_hint_max_get(g, &mxw, &mxh);
   evas_object_size_hint_aspect_get(g, &aspect, &ax, &ay);
   evas_object_size_hint_weight_get(g, &ex, &ey);

   if (IS_HORIZ(zgc->site->orient))
     {
        *ww = mnw, *hh = h;
        if (!(*ww)) *ww = *hh;
        if (dblequal(ex, EVAS_HINT_EXPAND) && (!aspect)) ret = EINA_TRUE;
     }
   else if (IS_VERT(zgc->site->orient))
     {
        *hh = mnh, *ww = w;
        if (!(*hh)) *hh = *ww;
        if (dblequal(ey, EVAS_HINT_EXPAND) && (!aspect)) ret = EINA_TRUE;
     }
   else
     {
        *ww = mnw, *hh = mnh;
        if ((!(*ww)) || ((*ww) < w)) *ww = w;
        if ((!(*hh)) || ((*hh) < h)) *hh = h;
     }
   _site_gadget_aspect(zgc, ww, hh, ax, ay, aspect);
   *ww += zgc->style.minw;
   *hh += zgc->style.minh;
   *ow = *ww, *oh = *hh;
   if ((!ax) && (!ay))
     {
        if ((mxw >= 0) && (mxw < *ow)) *ow = mxw;
        if ((mxh >= 0) && (mxh < *oh)) *oh = mxh;
     }
   if (!zgc->site->orient)
     {
        if ((w < (*ow)) || (h < (*oh)))
          {
             if (evas_smart_objects_calculating_get(e_comp->evas))
               _site_recalc_job(zgc->site);
             else
               evas_object_smart_need_recalculate_set(zgc->site->layout, 1);
          }
     }
   //fprintf(stderr, "%s: %dx%d\n", zgc->type, *ow, *oh);
   evas_object_resize(zgc->display, *ow, *oh);
   return ret;
}

static void
_site_move(void *data, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
{
   int x, y, w, h;
   E_Gadget_Site *zgs = data;

   evas_object_geometry_get(obj, &x, &y, &w, &h);
   evas_object_geometry_set(zgs->events, x, y, w, h);
   evas_object_raise(zgs->events);
   if (!zgs->orient)
     evas_object_smart_need_recalculate_set(zgs->layout, 1);
}

static void
_site_layout_orient(Evas_Object *o, E_Gadget_Site *zgs)
{
   Evas_Coord x, y, w, h, xx, yy;
   Eina_List *l;
   double ax, ay;
   E_Gadget_Config *zgc;
   int mw, mh, sw, sh, rw, rh, bw, bh, prev_w = 0, prev_h = 0;
   int groups = 0, avg;
   Eina_Bool prev_ex = 0, after = 0;
   struct Size
   {
      Evas_Coord_Size size;
      Evas_Coord_Size clipped;
      Evas_Coord_Size before;
      Evas_Coord_Size after;
      Eina_Bool expand;
      Evas_Object *obj;
   } *size, *psize = NULL;
   Eina_List *expand = NULL, *gadgets = NULL;
   Evas_Coord_Size parent_size;

   evas_object_geometry_get(o, &x, &y, &w, &h);
   if ((!w) && (!h)) return;
   parent_size.w = parent_size.h = -1;
   evas_object_smart_callback_call(elm_object_parent_widget_get(zgs->layout), "gadget_site_parent_size_request", &parent_size);
   if ((parent_size.w < 0) || (parent_size.h < 0))
     evas_object_geometry_get(elm_object_parent_widget_get(zgs->layout), NULL, NULL, &bw, &bh);
   else
     bw = parent_size.w, bh = parent_size.h;
   rw = bw, rh = bh;
   evas_object_size_hint_min_get(o, &mw, &mh);
   evas_object_size_hint_min_get(zgs->layout, &sw, &sh);
   evas_object_geometry_set(zgs->events, x, y, w, h);

   evas_object_box_align_get(o, &ax, &ay);

   xx = x;
   yy = y;

   EINA_LIST_FOREACH(zgs->gadgets, l, zgc)
     {
        int ww, hh, ow, oh;
        Eina_Bool ex;

        if (!zgc->display) continue;
        ex = _site_gadget_resize(zgc->gadget, w, h, &ww, &hh, &ow, &oh);
        if (ex && prev_ex)
          {
             /* multiple spacers */
             evas_object_resize(zgc->display, 0, 0);
             continue;
          }
        size = E_NEW(struct Size, 1);
        size->size.w = ww;
        size->size.h = hh;
        size->clipped.w = ow;
        size->clipped.h = oh;
        size->expand = ex;
        if (ex)
          {
             if (psize)
               {
                  psize->after.w = prev_w, psize->after.h = prev_h;
                  groups++;
               }
             psize = size;
             size->before.w = prev_w;
             size->before.h = prev_h;
             prev_w = prev_h = 0;
          }
        size->obj = zgc->display;
        prev_w += ow;
        prev_h += oh;
        prev_ex = ex;
        gadgets = eina_list_append(gadgets, size);
        if (ex)
          {
             expand = eina_list_append(expand, size);
             continue;
          }
        if (IS_HORIZ(zgs->orient))
          rw = MAX(rw - ow, 0);
        else if (IS_VERT(zgs->orient))
          rh = MAX(rh - oh, 0);
     }
   if (expand)
     {
        size = eina_list_last_data_get(expand);
        psize = eina_list_last_data_get(gadgets);
        if (size != psize)
          {
             if ((!size->after.w) && (!size->after.h))
               {
                  size->after.w = prev_w, size->after.h = prev_h;
                  groups++;
               }
          }
        if (!groups) groups++;

        size = eina_list_data_get(expand);
        if (IS_HORIZ(zgs->orient))
          {
             after = !size->before.w;
             avg = (bw - rw) / groups;
          }
        else
          {
             after = !size->before.h;
             avg = (bh - rh) / groups;
          }
     }
   EINA_LIST_FREE(expand, size)
     {
        if (IS_HORIZ(zgs->orient))
          {
             if (rw)
               {
                  size->size.w = size->clipped.w = rw / eina_list_count(expand);
                  if (eina_list_count(expand) > 1)
                    {
                       int gw;
                       if (after)
                         gw = size->after.w;
                       else
                         gw = size->before.w;
                       if (gw > avg)
                         size->size.w = size->clipped.w -= (gw - avg);
                       else
                         size->size.w = size->clipped.w += abs(gw - avg);
                       size->size.w = size->clipped.w -= size->after.w / 2;
                       size->size.w = size->clipped.w = MAX(size->size.w, 0);
                       rw -= size->size.w;
                    }
               }
             else
               size->size.w = size->clipped.w = 0;
          }
        else if (IS_VERT(zgs->orient))
          {
             if (rh)
               {
                  size->size.h = size->clipped.h = rh / eina_list_count(expand);
                  if (eina_list_count(expand) > 1)
                    {
                       int gh;
                       if (after)
                         gh = size->after.h;
                       else
                         gh = size->before.h;
                       if (gh > avg)
                         size->size.h = size->clipped.h -= (gh - avg);
                       else
                         size->size.h = size->clipped.h += abs(gh - avg);
                       size->size.h = size->clipped.h -= size->after.h / 2;
                       size->size.h = size->clipped.h = MAX(size->size.h, 0);
                       rh -= size->size.h;
                    }
               }
             else
               size->size.h = size->clipped.h = 0;
          }
        evas_object_resize(size->obj, size->clipped.w, size->clipped.h);
     }

   if (zgs->gravity % 2)//left/top
     {
        EINA_LIST_FREE(gadgets, size)
          {
             Evas_Coord gx = xx, gy = yy;

             if (IS_HORIZ(zgs->orient))
               gx += (Evas_Coord)(((double)(size->size.w - size->clipped.w)) * 0.5),
               gy += (h / 2) - (size->clipped.h / 2);
             else if (IS_VERT(zgs->orient))
               gy += (Evas_Coord)(((double)(size->size.h - size->clipped.h)) * 0.5),
               gx += (w / 2) - (size->clipped.w / 2);
             evas_object_move(size->obj, gx, gy);
             if (IS_HORIZ(zgs->orient))
               xx += size->clipped.w;
             else
               yy += size->clipped.h;
             free(size);
          }
     }
   else if (zgs->gravity)
     {
        if (IS_HORIZ(zgs->orient))
          xx += w;
        else
          yy += h;

        E_LIST_REVERSE_FREE(gadgets, size)
          {
             Evas_Coord gx = xx, gy = yy;

             if (IS_HORIZ(zgs->orient))
               gx -= (Evas_Coord)(((double)(size->size.w - size->clipped.w)) * 0.5) + size->clipped.w,
               gy += (h / 2) - (size->clipped.h / 2);
             else
               gy -= (Evas_Coord)(((double)(size->size.h - size->clipped.h)) * 0.5) + size->clipped.h,
               gx += (w / 2) - (size->clipped.w / 2);
             evas_object_move(size->obj, gx, gy);
             if (IS_HORIZ(zgs->orient))
               xx -= size->clipped.w;
             else
               yy -= size->clipped.h;
             free(size);
          }
     }

   if (IS_HORIZ(zgs->orient))
     zgs->cur_size = abs(xx - x);
   else if (IS_VERT(zgs->orient))
     zgs->cur_size = abs(yy - y);

   w = IS_HORIZ(zgs->orient) ? zgs->cur_size : w;
   h = IS_VERT(zgs->orient) ? zgs->cur_size : h;
   if ((w == mw) && (h == mh) && (sw == sh) && (sw == -1))
     {
        /* FIXME: https://phab.enlightenment.org/T4747 */
        evas_object_size_hint_min_set(o, -1, -1);
     }
   evas_object_size_hint_min_set(o, w, h);
}

static void
_site_layout(Evas_Object *o, Evas_Object_Box_Data *priv EINA_UNUSED, void *data)
{
   E_Gadget_Site *zgs = data;
   Evas_Coord x, y, w, h;//, px, py;
   Eina_List *l;
   double ax, ay;
   E_Gadget_Config *zgc;

   evas_object_geometry_get(o, &x, &y, &w, &h);
   evas_object_geometry_set(zgs->events, x, y, w, h);

   evas_object_box_align_get(o, &ax, &ay);

   if (zgs->orient)
     {
        _site_layout_orient(o, zgs);
        return;
     }
   if ((!w) || (!h)) return;
   EINA_LIST_FOREACH(zgs->gadgets, l, zgc)
     {
        Evas_Coord gx = x, gy = y;
        int ww, hh, ow, oh;
        E_Zone *zone;

        if (!zgc->display) continue;
        if (zgc->moving)
          _site_gadget_resize(zgc->gadget, w, h, &ww, &hh, &ow, &oh);
        else
          {
             if (zgc->zone >= 0)
               {
                  zone = e_comp_zone_number_get(zgc->zone);
                  x = gx = zone->x;
                  y = gy = zone->y;
                  w = zone->w;
                  h = zone->h;
               }

             _site_gadget_resize(zgc->gadget, w * zgc->w, h * zgc->h, &ww, &hh, &ow, &oh);
             if (zgc->x > -1.0)
               {
                  gx = x + zgc->x * w;
                  gx += (Evas_Coord)(((double)(ww - ow)) * 0.5 * -ax);
               }
             if (zgc->y > -1.0)
               {
                  gy = y + zgc->y * h;
                  gy += (Evas_Coord)(((double)(hh - oh)) * 0.5 * -ay);
               }
          }
        if (zgs->gravity)
          {
#if 0//FIXME
             if (zgs->gravity % 2)//left/top
               {
                  if (gx < px) gx = px;
               }
             else if (
               {
                  if (gx > px) gx = px;
               }

             if (zgs->gravity % 2)//left/top
               {
                  if (gy < py) gy = py;
               }
             else
               {
                  if (gy > py) gy = py;
               }
#endif
          }

        evas_object_move(zgc->display, gx, gy);
#if 0//FIXME
        if (zgs->gravity is horizontal or something)
          px = gx + (-ax * ow);
        else
          py = gy + (-ay * oh);
#endif
        if (eina_list_count(zgs->gadgets) == 1)
          {
             int mw, mh, sw, sh;

             evas_object_size_hint_min_get(o, &mw, &mh);
             evas_object_size_hint_min_get(zgs->layout, &sw, &sh);
             if ((ow == mw) && (oh == mh) && (sw == sh) && (sw == -1))
               {
                  /* FIXME: https://phab.enlightenment.org/T4747 */
                  evas_object_size_hint_min_set(o, -1, -1);
               }
             evas_object_size_hint_min_set(o, ow, oh);
          }
     }
}

static Eina_Bool
_gadget_mouse_resize(E_Gadget_Config *zgc, int t EINA_UNUSED, Ecore_Event_Mouse_Move *ev)
{
   int x, y, w, h;//site geom
   int ox, oy, ow, oh;//gadget geom
   double gw, gh;
   int dx, dy;
   int ax, ay;
   Evas_Aspect_Control aspect;

   evas_object_geometry_get(zgc->display, &ox, &oy, &ow, &oh);
   evas_object_size_hint_aspect_get(zgc->gadget, &aspect, &ax, &ay);
   if (zgc->zone >= 0)
     {
        E_Zone *zone;

        zone = e_comp_zone_number_get(zgc->zone);
        x = zone->x, y = zone->y, w = zone->w, h = zone->h;
     }
   else
     evas_object_geometry_get(zgc->site->layout, &x, &y, &w, &h);
   /* restore screen-based geometry to canvas size */
   gw = zgc->w * w;
   gh = zgc->h * h;

   /* apply mouse movement to canvas size */
   dx = ev->x - zgc->down.x, dy = ev->y - zgc->down.y;
   if (zgc->resizing & E_GADGET_SITE_ANCHOR_LEFT)
     gw -= dx;
   else
     gw += dx;
   if (zgc->resizing & E_GADGET_SITE_ANCHOR_TOP)
     gh -= dy;
   else
     gh += dy;

   /* apply aspect based on mouse position change */
   dx = abs(ev->x - zgc->down.x);
   dy = abs(ev->y - zgc->down.y);
   if (dx > dy)
     {
        /* use horizontal motion if most of event is horizontal */
        int ww = lround(gw), hh = lround(gh);
        _site_gadget_aspect(zgc, &ww, &hh, ax, ay, EVAS_ASPECT_CONTROL_HORIZONTAL);
        gh = hh;
     }
   else if (dy > dx)
     {
        /* use vertical motion if most of event is vertical */
        int ww = lround(gw), hh = lround(gh);
        _site_gadget_aspect(zgc, &ww, &hh, ax, ay, EVAS_ASPECT_CONTROL_VERTICAL);
        gw = ww;
     }
   else if ((dx == dy) && (ax != ay))
     {
        /* use aspect values to calculate equal motion on both axes */
        int ww = lround(gw), hh = lround(gh);
        if (ax > ay)
          {
             _site_gadget_aspect(zgc, &ww, &hh, ax, ay, EVAS_ASPECT_CONTROL_VERTICAL);
             gw = ww;
          }
        else
          {
             _site_gadget_aspect(zgc, &ww, &hh, ax, ay, EVAS_ASPECT_CONTROL_HORIZONTAL);
             gh = hh;
          }
     }

   /* calculate new position based on resize amount */
   dx = ev->x - zgc->down.x, dy = ev->y - zgc->down.y;
   if (zgc->resizing & E_GADGET_SITE_ANCHOR_LEFT)
     {
        zgc->x = (((zgc->x + zgc->w) * (double)w) - gw) / (double)w;
     }
   if (zgc->resizing & E_GADGET_SITE_ANCHOR_TOP)
     {
        zgc->y = (((zgc->y + zgc->h) * (double)h) - gh) / (double)h;
     }

   zgc->w = gw / w;
   zgc->h = gh / h;
   zgc->down.x = ev->x;
   zgc->down.y = ev->y;
   evas_object_smart_need_recalculate_set(zgc->site->layout, 1);
   e_config_save_queue();
   return ECORE_CALLBACK_RENEW;
}

static void
_gadget_util_add(E_Gadget_Site *zgs, const char *domain, const char *type, int id)
{
   E_Gadget_Config *zgc;

   zgc = E_NEW(E_Gadget_Config, 1);
   zgc->id = id;
   if (domain)
     {
        zgc->external.domain = eina_stringshare_add(domain);
        zgc->external.type = eina_stringshare_add(type);
     }
   else
     zgc->type = eina_stringshare_add(type);
   zgc->x = zgc->y = -1;
   zgc->site = zgs;
   zgc->zone = -1;
   if (zgc->site->orient)
     zgc->w = zgc->h = -1;
   else
     {
        E_Zone *zone = e_zone_current_get();
        zgc->w = (96 * e_scale) / (double)zone->w;
        zgc->h = (96 * e_scale) / (double)zone->h;
     }
   zgc->site->gadgets = eina_list_append(zgc->site->gadgets, zgc);
   zgs->gadget_list = eina_inlist_append(zgs->gadget_list, EINA_INLIST_GET(zgc));
   _gadget_object_finalize(zgc);
}

static Eina_Bool
_gadget_act_resize_end(E_Object *obj, const char *params EINA_UNUSED, E_Binding_Event_Mouse_Button *ev EINA_UNUSED)
{
   E_Gadget_Config *zgc;
   Evas_Object *g;

   if (obj->type != E_GADGET_TYPE) return EINA_FALSE;
   g = e_object_data_get(obj);
   zgc = evas_object_data_get(g, "__e_gadget");
   zgc->resizing = 0;

   E_FREE_FUNC(zgc->site->move_handler, ecore_event_handler_del);
   evas_object_smart_need_recalculate_set(zgc->site->layout, 1);
   return EINA_TRUE;
}

static Eina_Bool
_gadget_act_move(E_Object *obj, const char *params EINA_UNUSED, E_Binding_Event_Mouse_Button *ev EINA_UNUSED)
{
   E_Gadget_Config *zgc, *z;
   Evas_Object *g;
   int w, h;

   if (obj->type != E_GADGET_TYPE) return EINA_FALSE;

   g = e_object_data_get(obj);
   zgc = evas_object_data_get(g, "__e_gadget");
   zgc->moving = 1;
   _editor_pointer_site_init(zgc->site->orient, NULL, NULL, 1);
   e_gadget_site_owner_setup(pointer_site, zgc->site->anchor, NULL);
   ZGS_GET(pointer_site);
   if (zgc->external.domain)
     _gadget_util_add(zgs, zgc->external.domain, zgc->external.type, zgc->id);
   else
     _gadget_util_add(zgs, NULL, zgc->type, zgc->id);
   z = eina_list_data_get(zgs->gadgets);
   if (!z)
     {
        E_FREE_FUNC(pointer_site, evas_object_del);
        zgc->moving = 0;
        return EINA_TRUE;
     }
   z->moving = 1;
   evas_object_pass_events_set(zgc->site->layout, 1);
   evas_object_geometry_get(g, NULL, NULL, &w, &h);
   evas_object_resize(pointer_site, w, h);
   eina_stringshare_refplace(&z->style.name, zgc->style.name);
   z->orig = zgc;
   return EINA_TRUE;
}

static Eina_Bool
_gadget_act_resize(E_Object *obj, const char *params EINA_UNUSED, E_Binding_Event_Mouse_Button *ev)
{
   E_Gadget_Config *zgc;
   Evas_Object *g;
   int x, y, w, h;

   if (obj->type != E_GADGET_TYPE) return EINA_FALSE;

   g = e_object_data_get(obj);
   zgc = evas_object_data_get(g, "__e_gadget");
   if (zgc->site->orient) return EINA_FALSE;
   evas_object_geometry_get(g, &x, &y, &w, &h);
   if (ev->canvas.x < x + (w / 3))
     zgc->resizing = E_GADGET_SITE_ANCHOR_LEFT;
   else if (ev->canvas.x > x + (w * 2 / 3))
     zgc->resizing = E_GADGET_SITE_ANCHOR_RIGHT;
   if (ev->canvas.y < y + (h / 3))
     zgc->resizing |= E_GADGET_SITE_ANCHOR_TOP;
   else if (ev->canvas.y > y + (h * 2 / 3))
     zgc->resizing |= E_GADGET_SITE_ANCHOR_BOTTOM;
   if (!zgc->site->move_handler)
     zgc->site->move_handler = ecore_event_handler_add(ECORE_EVENT_MOUSE_MOVE, (Ecore_Event_Handler_Cb)_gadget_mouse_resize, zgc);
   return EINA_TRUE;
}

static void
_gadget_act_configure_object_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   E_Gadget_Config *zgc = data;

   zgc->cfg_object = NULL;
}

static void
_gadget_configure(E_Gadget_Config *zgc)
{
   if (!zgc->configure) return;
   if (zgc->cfg_object)
     {
        evas_object_raise(zgc->cfg_object);
        evas_object_show(zgc->cfg_object);
        return;
     }
   zgc->cfg_object = zgc->configure(zgc->gadget);
   if (!zgc->cfg_object) return;
   evas_object_event_callback_add(zgc->cfg_object, EVAS_CALLBACK_DEL, _gadget_act_configure_object_del, zgc);
   evas_object_smart_callback_call(zgc->display, "gadget_popup", zgc->cfg_object);
}

static Eina_Bool
_gadget_act_configure(E_Object *obj, const char *params EINA_UNUSED, E_Binding_Event_Mouse_Button *ev EINA_UNUSED)
{
   E_Gadget_Config *zgc;
   Evas_Object *g;

   if (obj->type != E_GADGET_TYPE) return EINA_FALSE;

   g = e_object_data_get(obj);
   zgc = evas_object_data_get(g, "__e_gadget");
   _gadget_configure(zgc);
   return EINA_TRUE;
}

static void
_gadget_menu_remove(void *data, E_Menu *m EINA_UNUSED, E_Menu_Item *mi EINA_UNUSED)
{
   E_Gadget_Config *zgc = data;

   _gadget_remove(zgc);
}

static void
_gadget_menu_configure(void *data, E_Menu *m EINA_UNUSED, E_Menu_Item *mi EINA_UNUSED)
{
   _gadget_configure(data);
}

static void
_gadget_style_menu_item_del(void *mi)
{
   eina_stringshare_del(e_object_data_get(mi));
}

static void
_gadget_menu_style(void *data, E_Menu *m EINA_UNUSED, E_Menu_Item *mi)
{
   E_Gadget_Config *zgc = data;
   Eina_Stringshare *style = e_object_data_get(E_OBJECT(mi));

   eina_stringshare_refplace(&zgc->style.name, style);
   if (zgc->site->style_cb)
     zgc->site->style_cb(zgc->site->layout, style, zgc->gadget);
}

static Eina_Bool
_gadget_act_menu(E_Object *obj, const char *params EINA_UNUSED, E_Binding_Event_Mouse_Button *ev)
{
   E_Gadget_Config *zgc;
   Evas_Object *g;
   E_Menu_Item *mi;
   E_Menu *subm;
   int x, y;

   if (obj->type != E_GADGET_TYPE) return EINA_FALSE;

   g = e_object_data_get(obj);
   zgc = evas_object_data_get(g, "__e_gadget");

   zgc->menu = e_menu_new();
   evas_object_smart_callback_call(g, "gadget_menu", zgc->menu);
   if (zgc->configure)
     {
        mi = e_menu_item_new(zgc->menu);
        e_menu_item_label_set(mi, _("Settings"));
        e_util_menu_item_theme_icon_set(mi, "configure");
        e_menu_item_callback_set(mi, _gadget_menu_configure, zgc);
     }
   if (zgc->menu->items)
     {
        mi = e_menu_item_new(zgc->menu);
        e_menu_item_separator_set(mi, 1);
     }
   subm = e_menu_new();
   evas_object_smart_callback_call(zgc->site->layout, "gadget_site_style_menu", subm);
   if (e_object_data_get(E_OBJECT(subm)))
     {
        Eina_List *styles = e_object_data_get(E_OBJECT(subm));
        Eina_Stringshare *style;

        mi = e_menu_item_new(zgc->menu);
        e_menu_item_label_set(mi, _("Look"));
        e_util_menu_item_theme_icon_set(mi, "preferences-look");
        e_menu_item_submenu_set(mi, subm);
        e_object_unref(E_OBJECT(subm));

        EINA_LIST_FREE(styles, style)
          {
             char buf[1024];

             if (eina_streq(style, "base"))
               {
                  eina_stringshare_del(style);
                  continue;
               }
             mi = e_menu_item_new(subm);
             strncpy(buf, style, sizeof(buf) - 1);
             buf[0] = toupper(buf[0]);
             e_menu_item_label_set(mi, buf);
             snprintf(buf, sizeof(buf), "enlightenment/%s", style);
             e_util_menu_item_theme_icon_set(mi, buf);
             e_menu_item_radio_group_set(mi, 1);
             e_menu_item_radio_set(mi, 1);
             e_menu_item_toggle_set(mi, style == zgc->style.name);
             e_menu_item_disabled_set(mi, mi->toggle);
             e_object_data_set(E_OBJECT(mi), style);
             E_OBJECT_DEL_SET(mi, _gadget_style_menu_item_del);
             e_menu_item_callback_set(mi, _gadget_menu_style, zgc);
          }
     }
   else
     e_object_del(E_OBJECT(subm));


   mi = e_menu_item_new(zgc->menu);
   evas_object_smart_callback_call(zgc->site->layout, "gadget_site_owner_menu", mi);
   if (mi->label)
     {
        mi = e_menu_item_new(zgc->menu);
        e_menu_item_separator_set(mi, 1);
     }
   else
     e_object_del(E_OBJECT(mi));

   mi = e_menu_item_new(zgc->menu);
   e_menu_item_label_set(mi, _("Remove"));
   e_util_menu_item_theme_icon_set(mi, "list-remove");
   e_menu_item_callback_set(mi, _gadget_menu_remove, zgc);

   evas_pointer_canvas_xy_get(e_comp->evas, &x, &y);
   e_menu_activate_mouse(zgc->menu,
                         e_zone_current_get(),
                         x, y, 1, 1,
                         E_MENU_POP_DIRECTION_AUTO, ev->timestamp);
   _desktop_rect_obj_add(zgc->menu->comp_object);
   evas_object_smart_callback_call(zgc->site->layout, "gadget_site_popup", zgc->menu->comp_object);
   return EINA_TRUE;
}

static Eina_Bool
_site_mouse_up(E_Gadget_Site *zgs, int t EINA_UNUSED, Ecore_Event_Mouse_Button *ev)
{
   if (e_bindings_mouse_up_ecore_event_handle(E_BINDING_CONTEXT_ANY, zgs->action->e_obj_inherit, ev))
     {
        evas_object_pointer_mode_set(zgs->events, EVAS_OBJECT_POINTER_MODE_NOGRAB);
        zgs->action = NULL;
        E_FREE_FUNC(zgs->mouse_up_handler, ecore_event_handler_del);
     }
   return ECORE_CALLBACK_RENEW;
}

static void
_site_mouse_down(void *data, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info)
{
   E_Gadget_Site *zgs = data;
   Evas_Event_Mouse_Down *ev = event_info;
   E_Gadget_Config *zgc;
   E_Action *act;

   if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return;
   zgc = _gadget_at_xy(zgs, ev->output.x, ev->output.y, NULL);
   if (!zgc) return;
   ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
   act = e_bindings_mouse_down_evas_event_handle(E_BINDING_CONTEXT_ANY, zgc->e_obj_inherit, event_info);
   if (!act)
     {
        ev->event_flags &= ~EVAS_EVENT_FLAG_ON_HOLD;
        return;
     }
   if (act->func.end_mouse)
     {
        int x, y;

        evas_object_pointer_mode_set(obj, EVAS_OBJECT_POINTER_MODE_NOGRAB_NO_REPEAT_UPDOWN);
        zgs->action = zgc;
        if (!zgs->mouse_up_handler)
          zgs->mouse_up_handler = ecore_event_handler_add(ECORE_EVENT_MOUSE_BUTTON_UP, (Ecore_Event_Handler_Cb)_site_mouse_up, zgs);

        evas_object_geometry_get(zgc->display, &x, &y, NULL, NULL);
        zgc->offset.x = ev->canvas.x - x;
        zgc->offset.y = ev->canvas.y - y;
        zgc->down.x = ev->canvas.x;
        zgc->down.y = ev->canvas.y;
     }
}

static void
_site_drop(void *data, Evas_Object *obj EINA_UNUSED, void *event_info)
{
   E_Gadget_Site *zgs = data, *drop;
   Eina_List *l;
   E_Gadget_Config *zgc, *dzgc;
   int mx, my;
   int x, y, w, h;

   drop = evas_object_data_get(event_info, "__e_gadget_site");
   evas_pointer_canvas_xy_get(e_comp->evas, &mx, &my);
   evas_object_geometry_get(zgs->layout, &x, &y, &w, &h);
   if (!E_INSIDE(mx, my, x, y, w, h)) return;

   EINA_LIST_FOREACH(zgs->gadgets, l, zgc)
     {
        if (!zgc->display) continue;

        evas_object_geometry_get(zgc->display, &x, &y, &w, &h);
        if (E_INSIDE(mx, my, x, y, w, h)) break;
     }
   if (zgc)
     {
        Eina_Bool pre = EINA_FALSE;
        if (IS_HORIZ(zgs->orient))
          {
             if (mx <= x + (w / 2))
               pre = EINA_TRUE;
          }
        else if (IS_VERT(zgs->orient))
          {
             if (my <= y + (h / 2))
               pre = EINA_TRUE;
          }
        else {} //FIXME
        if (zgs->orient)
          {
             Eina_List *ll;

             if (pre)
               EINA_LIST_REVERSE_FOREACH(drop->gadgets, ll, dzgc)
                 {
                    evas_object_smart_callback_call(zgs->layout, "gadget_moved", dzgc->gadget);
                    if (dzgc->id == -1) dzgc->id = 0;
                    evas_object_del(dzgc->gadget);
                    zgs->gadget_list = eina_inlist_prepend_relative(zgs->gadget_list,
                      EINA_INLIST_GET(dzgc), EINA_INLIST_GET(zgc));
                    zgs->gadgets = eina_list_prepend_relative_list(zgs->gadgets, dzgc, l);
                    dzgc->site = zgs;
                    dzgc->zone = -1;
                    _gadget_object_finalize(dzgc);
                 }
             else
               EINA_LIST_REVERSE_FOREACH(drop->gadgets, ll, dzgc)
                 {
                    evas_object_smart_callback_call(zgs->layout, "gadget_moved", dzgc->gadget);
                    if (dzgc->id == -1) dzgc->id = 0;
                    evas_object_del(dzgc->gadget);
                    zgs->gadget_list = eina_inlist_append_relative(zgs->gadget_list,
                      EINA_INLIST_GET(dzgc), EINA_INLIST_GET(zgc));
                    zgs->gadgets = eina_list_append_relative_list(zgs->gadgets, dzgc, l);
                    dzgc->site = zgs;
                    dzgc->zone = -1;
                    _gadget_object_finalize(dzgc);
                 }
          }
        else
          {
             int dx, dy, dw, dh, gx, gy, gw, gh;

             /* FIXME: this should place _(around)_ the gadget that got dropped on */
             evas_object_geometry_get(drop->layout, &dx, &dy, &dw, &dh);
             evas_object_geometry_get(zgs->layout, &x, &y, &w, &h);
             EINA_LIST_FOREACH(drop->gadgets, l, dzgc)
               {
                  E_Zone *zone;
                  /* calculate positioning offsets and normalize based on drop point */
                  evas_object_geometry_get(dzgc->display, &gx, &gy, &gw, &gh);
                  evas_object_smart_callback_call(zgs->layout, "gadget_moved", dzgc->display);
                  if ((w == e_comp->w) && (h == e_comp->h))
                    {
                       zone = e_comp_object_util_zone_get(dzgc->display);
                       dzgc->zone = zone->num;
                       x = zone->x, y = zone->y, w = zone->w, h = zone->h;
                    }
                  else
                    dzgc->zone = -1;
                  if (dzgc->id == -1) dzgc->id = 0;
                  evas_object_del(dzgc->gadget);
                  zgs->gadget_list = eina_inlist_append(zgs->gadget_list,
                      EINA_INLIST_GET(dzgc));
                  zgs->gadgets = eina_list_append(zgs->gadgets, dzgc);
                  dzgc->x = ((gx - dx) / (double)dw) + ((mx - x) / (double)w);
                  dzgc->y = ((gy - dy) / (double)dh) + ((my - y) / (double)h);
                  dzgc->w = gw / (double)w;
                  dzgc->h = gh / (double)h;
                  dzgc->site = zgs;
                  _gadget_object_finalize(dzgc);
               }
          }
     }
   else
     {
        if (zgs->orient)
          {
             if (mx >= x) //right of all exiting gadgets
               {
                  EINA_LIST_FOREACH(drop->gadgets, l, dzgc)
                    {
                       evas_object_smart_callback_call(zgs->layout, "gadget_moved", dzgc->gadget);
                       if (dzgc->id == -1) dzgc->id = 0;
                       evas_object_del(dzgc->gadget);
                       zgs->gadget_list = eina_inlist_append(zgs->gadget_list,
                         EINA_INLIST_GET(dzgc));
                       zgs->gadgets = eina_list_append(zgs->gadgets, dzgc);
                       dzgc->site = zgs;
                       dzgc->zone = -1;
                       _gadget_object_finalize(dzgc);
                    }
               }
             else
               {
                  EINA_LIST_REVERSE_FOREACH(drop->gadgets, l, dzgc)
                    {
                       evas_object_smart_callback_call(zgs->layout, "gadget_moved", dzgc->gadget);
                       evas_object_del(dzgc->gadget);
                       zgs->gadget_list = eina_inlist_prepend(zgs->gadget_list,
                         EINA_INLIST_GET(dzgc));
                       zgs->gadgets = eina_list_prepend(zgs->gadgets, dzgc);
                       dzgc->site = zgs;
                       if (dzgc->id == -1) dzgc->id = 0;
                       dzgc->zone = -1;
                       _gadget_object_finalize(dzgc);
                    }
               }
          }
        else
          {
             int dx, dy, dw, dh, gx, gy, gw, gh;

             evas_object_geometry_get(drop->layout, &dx, &dy, &dw, &dh);
             evas_object_geometry_get(zgs->layout, &x, &y, &w, &h);
             EINA_LIST_FOREACH(drop->gadgets, l, dzgc)
               {
                  E_Zone *zone;
                  /* calculate positioning offsets and normalize based on drop point */
                  evas_object_geometry_get(dzgc->display, &gx, &gy, &gw, &gh);
                  evas_object_smart_callback_call(zgs->layout, "gadget_moved", dzgc->display);
                  if ((w == e_comp->w) && (h == e_comp->h))
                    {
                       zone = e_comp_object_util_zone_get(dzgc->display);
                       dzgc->zone = zone->num;
                       x = zone->x, y = zone->y, w = zone->w, h = zone->h;
                    }
                  else
                    dzgc->zone = -1;
                  if (dzgc->id == -1) dzgc->id = 0;
                  evas_object_del(dzgc->gadget);
                  zgs->gadget_list = eina_inlist_append(zgs->gadget_list,
                    EINA_INLIST_GET(dzgc));
                  zgs->gadgets = eina_list_append(zgs->gadgets, dzgc);
                  dzgc->x = ((gx - dx) / (double)dw) + ((mx - x - (mx - gx)) / (double)w);
                  dzgc->y = ((gy - dy) / (double)dh) + ((my - y - (my - gy)) / (double)h);
                  dzgc->w = gw / (double)w;
                  dzgc->h = gh / (double)h;
                  dzgc->site = zgs;
                  _gadget_object_finalize(dzgc);
               }
          }
     }
   drop->gadget_list = NULL;
   drop->gadgets = eina_list_free(drop->gadgets);
   evas_object_smart_need_recalculate_set(zgs->layout, 1);
   e_config_save_queue();
}

static void
_site_restack(void *data, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
{
   E_Gadget_Site *zgs = data;

   if (!evas_object_smart_parent_get(zgs->layout))
     {
        Eina_List *l;
        E_Gadget_Config *zgc;
        int layer;

        layer = evas_object_layer_get(obj);
        if (!zgs->orient)
          {
             EINA_LIST_FOREACH(zgs->gadgets, l, zgc)
               if (zgc->display)
                 evas_object_layer_set(zgc->display, layer);
          }
        evas_object_layer_set(zgs->events, layer);
     }
   evas_object_raise(zgs->events);
}

static void
_site_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   E_Gadget_Site *zgs = data;
   E_Gadget_Config *zgc;
   Eina_List *l, *ll;

   E_FREE_FUNC(zgs->events, evas_object_del);
   E_FREE_FUNC(zgs->move_handler, ecore_event_handler_del);
   E_FREE_FUNC(zgs->mouse_up_handler, ecore_event_handler_del);
   E_FREE_FUNC(zgs->calc_job, ecore_job_del);
   EINA_LIST_FOREACH_SAFE(zgs->gadgets, l, ll, zgc)
     evas_object_del(zgc->display);
   zgs->layout = NULL;
   zgs->cur_size = 0;
   zgs->action = NULL;
   zgs->style_cb = NULL;
   if (zgs->name) return;
   eina_stringshare_del(zgs->name);
   free(zgs);
}

static void
_site_style(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   E_Gadget_Site *zgs = data;
   E_Gadget_Config *zgc;
   Eina_List *l;

   if (!zgs->style_cb) return;
   EINA_LIST_FOREACH(zgs->gadgets, l, zgc)
     if (zgc->display)
       zgc->site->style_cb(zgc->site->layout, zgc->style.name, zgc->gadget);
}

static void
_site_visibility(void *data, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
{
   E_Gadget_Site *zgs = data;
   E_Gadget_Config *zgc;
   Eina_List *l;
   Eina_Bool vis = evas_object_visible_get(obj);

   EINA_LIST_FOREACH(zgs->gadgets, l, zgc)
     if (zgc->display)
       {
          if (vis) evas_object_show(zgc->display);
          else evas_object_hide(zgc->display);
       }
}

static void
_site_create(E_Gadget_Site *zgs)
{
   zgs->layout = elm_box_add(e_comp->elm);
   evas_object_name_set(zgs->layout, zgs->name);
   elm_box_horizontal_set(zgs->layout, zgs->orient == E_GADGET_SITE_ORIENT_HORIZONTAL);
   _gravity_apply(zgs, zgs->gravity);
   if (!zgs->orient)
     {
        /* add dummy content to allow recalc to work */
        elm_box_pack_end(zgs->layout, elm_box_add(zgs->layout));
     }
   elm_box_layout_set(zgs->layout, _site_layout, zgs, NULL);
   evas_object_event_callback_add(zgs->layout, EVAS_CALLBACK_DEL, _site_del, zgs);
   evas_object_event_callback_add(zgs->layout, EVAS_CALLBACK_RESTACK, _site_restack, zgs);

   zgs->events = evas_object_rectangle_add(e_comp->evas);
   evas_object_name_set(zgs->events, "zgs->events");
   evas_object_event_callback_add(zgs->layout, EVAS_CALLBACK_MOVE, _site_move, zgs);
   evas_object_smart_callback_add(zgs->layout, "gadget_site_dropped", _site_drop, zgs);
   evas_object_smart_callback_add(zgs->layout, "gadget_site_style", _site_style, zgs);
   evas_object_pointer_mode_set(zgs->events, EVAS_OBJECT_POINTER_MODE_NOGRAB);
   evas_object_color_set(zgs->events, 0, 0, 0, 0);
   evas_object_repeat_events_set(zgs->events, 1);
   evas_object_show(zgs->events);
   evas_object_event_callback_add(zgs->events, EVAS_CALLBACK_MOUSE_DOWN, _site_mouse_down, zgs);
   if (!zgs->orient)
     {
        evas_object_event_callback_add(zgs->layout, EVAS_CALLBACK_SHOW, _site_visibility, zgs);
        evas_object_event_callback_add(zgs->layout, EVAS_CALLBACK_HIDE, _site_visibility, zgs);
     }

   evas_object_data_set(zgs->layout, "__e_gadget_site", zgs);
   E_LIST_FOREACH(zgs->gadgets, _gadget_object_create);
   evas_object_layer_set(zgs->events, evas_object_layer_get(zgs->layout));
   evas_object_raise(zgs->events);
}

static void
_site_auto_add_comp_object_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   E_Gadget_Site *zgs = data;
   Eina_List *l, *ll;
   E_Gadget_Config *zgc;

   /* prune unconfigured gadgets */
   EINA_LIST_FOREACH_SAFE(zgs->gadgets, l, ll, zgc)
     if (zgc->id <= 0) _gadget_remove(zgc);
   e_config_save_queue();
   evas_object_del(zgs->layout);
}

static void
_site_auto_add(E_Gadget_Site *zgs, Evas_Object *comp_object)
{
   int x, y, w, h;

   _site_create(zgs);
   evas_object_event_callback_add(comp_object, EVAS_CALLBACK_DEL, _site_auto_add_comp_object_del, zgs);
   evas_object_layer_set(zgs->layout, evas_object_layer_get(comp_object));
   evas_object_stack_above(zgs->layout, comp_object);
   evas_object_geometry_get(comp_object, &x, &y, &w, &h);
   evas_object_geometry_set(zgs->layout, x, y, w, h);
}

static Eina_Bool
_site_auto_comp_object_handler(void *d EINA_UNUSED, int t EINA_UNUSED, E_Event_Comp_Object *ev)
{
   const char *name;
   Eina_List *l;
   E_Gadget_Site *zgs;

   name = evas_object_name_get(ev->comp_object);
   if (!name) return ECORE_CALLBACK_RENEW;
   EINA_LIST_FOREACH(sites->sites, l, zgs)
     if (zgs->autoadd && eina_streq(zgs->name, name))
       {
          if (!zgs->layout)
            _site_auto_add(zgs, ev->comp_object);
          break;
       }
   return ECORE_CALLBACK_RENEW;
}

static void
_site_zone_hover_update(Evas_Object *r, E_Zone *zone)
{
   int zx, zy, zw, zh;

   e_zone_useful_geometry_get(zone, &zx, &zy, &zw, &zh);
   evas_object_geometry_set(r, zx, zy, zw, zh);
}

static void
_site_zone_hover_rect_new(E_Zone *zone)
{
   Evas_Object *r = elm_box_add(e_comp->elm);
   _site_zone_hover_update(r, zone);
   e_comp_object_util_del_list_append(zone->bg_event_object, r);
   evas_object_data_set(zone->bg_event_object, "gadget_hover_rect", r);
}

static Eina_Bool
_site_zones_update(void *d EINA_UNUSED, int t EINA_UNUSED, E_Event_Zone_Move_Resize *ev)
{
   Evas_Object *r;

   r = evas_object_data_get(ev->zone->bg_event_object, "gadget_hover_rect");
   _site_zone_hover_update(r, ev->zone);
   return ECORE_CALLBACK_RENEW;
}

static Eina_Bool
_site_auto_comp_update()
{
   E_Gadget_Site *zgs;
   Eina_List *l;
   Evas_Object *r;
   E_Zone *zone;

   EINA_LIST_FOREACH(sites->sites, l, zgs)
     {
        E_Gadget_Config *zgc = eina_list_data_get(zgs->gadgets);

        if (!zgc) continue;
        if (zgc->zone == -1) continue;
        evas_object_smart_need_recalculate_set(zgs->layout, 1);
     }
   EINA_LIST_FOREACH(e_comp->zones, l, zone)
     {
        r = evas_object_data_get(zone->bg_event_object, "gadget_hover_rect");
        if (!r) _site_zone_hover_rect_new(zone);
     }
   return ECORE_CALLBACK_RENEW;
}

static Evas_Object *
_site_util_add(E_Gadget_Site_Orient orient, const char *name, Eina_Bool autoadd)
{
   E_Gadget_Site *zgs;
   Eina_List *l;
   Evas_Object *parent;

   if (name)
     {
        EINA_LIST_FOREACH(sites->sites, l, zgs)
          if (eina_streq(zgs->name, name))
            {
               if (zgs->layout) return zgs->layout;
               goto out;
            }
     }
   zgs = E_NEW(E_Gadget_Site, 1);

   zgs->name = eina_stringshare_add(name);
   zgs->autoadd = autoadd;

   if (name)
     sites->sites = eina_list_append(sites->sites, zgs);
out:
   zgs->orient = orient;
   switch (orient)
     {
      case E_GADGET_SITE_ORIENT_HORIZONTAL:
        zgs->gravity = E_GADGET_SITE_GRAVITY_LEFT;
        break;
      case E_GADGET_SITE_ORIENT_VERTICAL:
        zgs->gravity = E_GADGET_SITE_GRAVITY_TOP;
        break;
      default: break;
     }
   if (autoadd)
     {
        parent = evas_object_name_find(e_comp->evas, name);
        if (parent)
          _site_auto_add(zgs, parent);
     }
   else
     _site_create(zgs);

   return zgs->layout;
}

E_API Evas_Object *
e_gadget_site_add(E_Gadget_Site_Orient orient, const char *name)
{
   return _site_util_add(orient, name, 0);
}

E_API Evas_Object *
e_gadget_site_auto_add(E_Gadget_Site_Orient orient, const char *name)
{
   return _site_util_add(orient, name, 1);
}

E_API void
e_gadget_site_del(Evas_Object *obj)
{
   Eina_List *l, *ll;
   E_Gadget_Config *zgc;

   ZGS_GET(obj);

   EINA_LIST_FOREACH_SAFE(zgs->gadgets, l, ll, zgc)
     _gadget_remove(zgc);
   sites->sites = eina_list_remove(sites->sites, zgs);
   evas_object_del(zgs->layout);
   eina_stringshare_del(zgs->name);
   free(zgs);
}

E_API E_Gadget_Site_Anchor
e_gadget_site_anchor_get(Evas_Object *obj)
{
   ZGS_GET(obj);

   return zgs->anchor;
}

E_API void
e_gadget_site_owner_setup(Evas_Object *obj, E_Gadget_Site_Anchor an, E_Gadget_Style_Cb cb)
{
   Evas_Object *parent;
   ZGS_GET(obj);

   zgs->anchor = an;
   zgs->style_cb = cb;
   evas_object_smart_callback_call(zgs->layout, "gadget_site_anchor", NULL);
   parent = evas_object_smart_parent_get(obj);
   if (parent)
     evas_object_smart_member_add(zgs->events, parent);
   else
     evas_object_smart_member_del(zgs->events);
}

E_API E_Gadget_Site_Orient
e_gadget_site_orient_get(Evas_Object *obj)
{
   ZGS_GET(obj);
   return zgs->orient;
}

E_API E_Gadget_Site_Gravity
e_gadget_site_gravity_get(Evas_Object *obj)
{
   ZGS_GET(obj);
   return zgs->gravity;
}

E_API void
e_gadget_site_gravity_set(Evas_Object *obj, E_Gadget_Site_Gravity gravity)
{
   ZGS_GET(obj);
   if (zgs->gravity == gravity) return;
   zgs->gravity = gravity;
   _gravity_apply(zgs, gravity);
   evas_object_smart_need_recalculate_set(zgs->layout, 1);
}

E_API Eina_List *
e_gadget_site_gadgets_list(Evas_Object *obj)
{
   Eina_List *l, *list = NULL;
   E_Gadget_Config *zgc;

   ZGS_GET(obj);
   EINA_LIST_FOREACH(zgs->gadgets, l, zgc)
     if (zgc->display)
       list = eina_list_append(list, zgc->gadget);
   return list;
}

E_API void
e_gadget_site_gadget_add(Evas_Object *obj, const char *type, Eina_Bool demo)
{
   int id = 0;

   demo = !!demo;
   id -= demo;
   EINA_SAFETY_ON_NULL_RETURN(gadget_types);
   ZGS_GET(obj);
   _gadget_util_add(zgs, NULL, type, id);
}

E_API void
e_gadget_site_gadget_external_add(Evas_Object *obj, const char *domain, const char *type, Eina_Bool demo)
{
   int id = 0;

   demo = !!demo;
   id -= demo;
   EINA_SAFETY_ON_NULL_RETURN(gadget_types);
   ZGS_GET(obj);
   _gadget_util_add(zgs, domain, type, id);
}

E_API Evas_Object *
e_gadget_site_get(Evas_Object *g)
{
   E_Gadget_Config *zgc;

   EINA_SAFETY_ON_NULL_RETURN_VAL(g, NULL);
   zgc = evas_object_data_get(g, "__e_gadget");
   EINA_SAFETY_ON_NULL_RETURN_VAL(zgc, NULL);
   return zgc->site->layout;
}

E_API Eina_Bool
e_gadget_site_is_desklock(Evas_Object *obj)
{
   const char *name;
   ZGS_GET(obj);
   name = evas_object_name_get(obj);
   return name && strstr(name, "desklock");
}

E_API void
e_gadget_configure_cb_set(Evas_Object *g, E_Gadget_Configure_Cb cb)
{
   E_Gadget_Config *zgc;

   EINA_SAFETY_ON_NULL_RETURN(g);
   zgc = evas_object_data_get(g, "__e_gadget");
   EINA_SAFETY_ON_NULL_RETURN(zgc);
   zgc->configure = cb;
}

E_API void
e_gadget_configure(Evas_Object *g)
{
   E_Gadget_Config *zgc;

   if (e_desklock_state_get()) return;
   EINA_SAFETY_ON_NULL_RETURN(g);
   zgc = evas_object_data_get(g, "__e_gadget");
   EINA_SAFETY_ON_NULL_RETURN(zgc);
   _gadget_configure(zgc);
}

E_API Eina_Stringshare *
e_gadget_type_get(Evas_Object *g)
{
   E_Gadget_Config *zgc;

   EINA_SAFETY_ON_NULL_RETURN_VAL(g, NULL);
   zgc = evas_object_data_get(g, "__e_gadget");
   EINA_SAFETY_ON_NULL_RETURN_VAL(zgc, NULL);
   return zgc->external.type ?: zgc->type;
}

E_API void
e_gadget_type_add(const char *type, E_Gadget_Create_Cb callback, E_Gadget_Wizard_Cb wizard)
{
   E_Gadget_Type *t;
   Eina_List *l, *ll;
   E_Gadget_Site *zgs;
   E_Gadget_Config *zgc;

   EINA_SAFETY_ON_TRUE_RETURN(!!eina_hash_find(gadget_types, type));
   t = E_NEW(E_Gadget_Type, 1);
   t->cb = callback;
   t->wizard = wizard;
   eina_hash_add(gadget_types, type, t);
   EINA_LIST_FOREACH(sites->sites, l, zgs)
     if (zgs->layout)
       EINA_LIST_FOREACH(zgs->gadgets, ll, zgc)
         if (eina_streq(type, zgc->type))
           _gadget_object_create(zgc);
}

E_API void
e_gadget_type_del(const char *type)
{
   Eina_List *l, *ll;
   E_Gadget_Site *zgs;
   E_Gadget_Config *zgc;
   char buf[1024];

   strncpy(buf, type, sizeof(buf) - 1);

   if (!gadget_types) return;

   EINA_LIST_FOREACH(sites->sites, l, zgs)
     {
        EINA_LIST_FOREACH(zgs->gadgets, ll, zgc)
          if (eina_streq(buf, zgc->type))
            evas_object_del(zgc->gadget);
     }
   eina_hash_del_by_key(gadget_types, type);
}

E_API void
e_gadget_external_type_add(const char *domain, const char *type, E_Gadget_External_Create_Cb callback, E_Gadget_External_Wizard_Cb wizard)
{
   E_Gadget_External_Type *te;
   Eina_List *l, *ll;
   E_Gadget_Site *zgs;
   E_Gadget_Config *zgc;
   Eina_Hash *h = NULL;

   if (gadget_external_domains)
     {
        h = eina_hash_find(gadget_external_domains, domain);
        if (h)
          EINA_SAFETY_ON_TRUE_RETURN(!!eina_hash_find(h, type));
     }
   else
     gadget_external_domains = eina_hash_string_superfast_new((Eina_Free_Cb)eina_hash_free);
   if (!h)
     {
        h = eina_hash_string_superfast_new(free);
        eina_hash_add(gadget_external_domains, domain, h);
     }
   te = E_NEW(E_Gadget_External_Type, 1);
   te->cb = callback;
   te->wizard = wizard;
   eina_hash_add(h, type, te);
   EINA_LIST_FOREACH(sites->sites, l, zgs)
     if (zgs->layout)
       EINA_LIST_FOREACH(zgs->gadgets, ll, zgc)
         if (eina_streq(domain, zgc->external.domain) && eina_streq(type, zgc->external.type))
           _gadget_object_create(zgc);
}

E_API void
e_gadget_external_type_name_cb_set(const char *domain, const char *type, E_Gadget_External_Name_Cb name)
{
   E_Gadget_External_Type *te;

   te = _gadget_external_type_get(domain, type);
   EINA_SAFETY_ON_NULL_RETURN(te);
   te->name = name;
}

E_API void
e_gadget_external_type_del(const char *domain, const char *type)
{
   Eina_List *l, *ll;
   E_Gadget_Site *zgs;
   E_Gadget_Config *zgc;

   if (!gadget_external_domains) return;
   if (!sites) return;

   EINA_LIST_FOREACH(sites->sites, l, zgs)
     {
        EINA_LIST_FOREACH(zgs->gadgets, ll, zgc)
          if (eina_streq(domain, zgc->external.domain))
            {
               if ((!type) || eina_streq(type, zgc->external.type))
                 evas_object_del(zgc->gadget);
            }
     }
   if (type)
     {
        Eina_Hash *h;

        h = eina_hash_find(gadget_external_domains, domain);
        EINA_SAFETY_ON_NULL_RETURN(h);
        eina_hash_del_by_key(h, type);
        if (!eina_hash_population(h))
          eina_hash_del_by_key(gadget_external_domains, domain);
     }
   else
     eina_hash_del_by_key(gadget_external_domains, domain);
}

E_API Eina_Iterator *
e_gadget_type_iterator_get(void)
{
   return gadget_types ? eina_hash_iterator_key_new(gadget_types) : NULL;
}

E_API void
e_gadget_del(Evas_Object *g)
{
   E_Gadget_Config *zgc;
   EINA_SAFETY_ON_NULL_RETURN(g);
   zgc = evas_object_data_get(g, "__e_gadget");
   EINA_SAFETY_ON_NULL_RETURN(zgc);
   _gadget_remove(zgc);
}

static void
_gadget_drop_handler_moveresize(void *data, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
{
   int x, y, w, h;

   evas_object_geometry_get(obj, &x, &y, &w, &h);
   e_drop_handler_geometry_set(data, x, y, w, h);
}

E_API Evas_Object *
e_gadget_drop_handler_add(Evas_Object *g, void *data,
                                        void (*enter_cb)(void *data, const char *type, void *event),
                                        void (*move_cb)(void *data, const char *type, void *event),
                                        void (*leave_cb)(void *data, const char *type, void *event),
                                        void (*drop_cb)(void *data, const char *type, void *event),
                                        const char **types, unsigned int num_types)
{
   E_Gadget_Config *zgc;
   int x, y, w, h;
   Evas_Object *drop_object;
   E_Drop_Handler *drop_handler;

   EINA_SAFETY_ON_NULL_RETURN_VAL(g, NULL);
   zgc = evas_object_data_get(g, "__e_gadget");
   EINA_SAFETY_ON_NULL_RETURN_VAL(zgc, NULL);

   if (!zgc->drop_handlers)
     zgc->drop_handlers = eina_hash_pointer_new((Eina_Free_Cb)e_drop_handler_del);

   evas_object_geometry_get(zgc->display, &x, &y, &w, &h);
   drop_handler = e_drop_handler_add(zgc->e_obj_inherit, NULL, data,
                        enter_cb, move_cb, leave_cb, drop_cb,
                        types, num_types, x, y, w, h);
   drop_object = evas_object_rectangle_add(e_comp->evas);
   drop_handler->base = drop_object;
   evas_object_color_set(drop_object, 0, 0, 0, 0);
   e_object_data_set(E_OBJECT(drop_handler), drop_object);
   evas_object_data_set(drop_object, "gadget_drop_handler", drop_handler);
   evas_object_geometry_set(drop_object, x, y, w, h);
   evas_object_pass_events_set(drop_object, 1);
   evas_object_layer_set(drop_object, evas_object_layer_get(zgc->display));
   evas_object_event_callback_add(drop_object, EVAS_CALLBACK_MOVE, _gadget_drop_handler_moveresize, drop_handler);
   evas_object_event_callback_add(drop_object, EVAS_CALLBACK_RESIZE, _gadget_drop_handler_moveresize, drop_handler);
   evas_object_event_callback_add(drop_object, EVAS_CALLBACK_DEL, _gadget_drop_handler_del, zgc);
   eina_hash_add(zgc->drop_handlers, &drop_object, drop_handler);
   return drop_object;
}

static void
_gadget_style_hints(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   E_Gadget_Config *zgc = data;
   evas_object_smart_need_recalculate_set(zgc->site->layout, 1);
}

E_API Evas_Object *
e_gadget_util_layout_style_init(Evas_Object *g, Evas_Object *style)
{
   E_Gadget_Config *zgc;
   Evas_Object *prev;
   const char *grp;

   EINA_SAFETY_ON_NULL_RETURN_VAL(g, NULL);
   zgc = evas_object_data_get(g, "__e_gadget");
   EINA_SAFETY_ON_NULL_RETURN_VAL(zgc, NULL);

   prev = zgc->style.obj;
   if ((!prev) && (!style)) return NULL;
   zgc->style.obj = style;
   if (style)
     {
        elm_layout_file_get(style, NULL, &grp);
        eina_stringshare_replace(&zgc->style.name, strrchr(grp, '/') + 1);
        evas_object_event_callback_priority_add(style, EVAS_CALLBACK_DEL, EVAS_CALLBACK_PRIORITY_AFTER, _gadget_del, zgc);
     }
   else
     eina_stringshare_replace(&zgc->style.name, NULL);
   if (prev)
     evas_object_event_callback_del_full(prev, EVAS_CALLBACK_DEL, _gadget_del, zgc);
   e_config_save_queue();
   zgc->display = style ?: zgc->gadget;
   E_FILL(zgc->display);
   E_EXPAND(zgc->display);
   if (zgc->site->gravity)
     {
        elm_box_pack_before(zgc->site->layout, zgc->display, prev ?: zgc->gadget);
        if (prev)
          elm_box_unpack(zgc->site->layout, prev);
     }
   evas_object_raise(zgc->site->events);
   evas_object_event_callback_del(prev, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _gadget_style_hints);
   if (!style) return prev;

   evas_object_data_set(style, "__e_gadget", zgc);

   elm_layout_sizing_eval(style);
   evas_object_smart_calculate(style);
   evas_object_size_hint_min_get(style, &zgc->style.minw, &zgc->style.minh);
   evas_object_event_callback_add(style, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _gadget_style_hints, zgc);
   evas_object_show(style);
   evas_object_smart_callback_add(zgc->display, "gadget_popup", _gadget_popup, zgc->site);
   return prev;
}

static void
_gadget_util_ctxpopup_visibility(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   e_comp_shape_queue();
}

static void
_gadget_util_ctxpopup_moveresize(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   e_comp_shape_queue();
}

E_API void
e_gadget_util_ctxpopup_place(Evas_Object *g, Evas_Object *ctx, Evas_Object *pos_obj)
{
   int x, y, w, h;
   E_Layer layer;
   E_Gadget_Config *zgc;
   Evas_Object *content;
   E_Zone *zone;
   Elm_Ctxpopup_Direction first, second;

   EINA_SAFETY_ON_NULL_RETURN(g);
   zgc = evas_object_data_get(g, "__e_gadget");
   EINA_SAFETY_ON_NULL_RETURN(zgc);

   content = elm_object_content_get(ctx);
   zone = e_comp_object_util_zone_get(g);
   elm_ctxpopup_hover_parent_set(ctx, evas_object_data_get(zone->bg_event_object, "gadget_hover_rect"));
   layer = MAX(evas_object_layer_get(pos_obj ?: g), E_LAYER_POPUP);
   evas_object_layer_set(ctx, layer);

   evas_object_geometry_get(pos_obj ?: g, &x, &y, &w, &h);
   if (zgc->site->anchor & E_GADGET_SITE_ANCHOR_TOP)
     y += h;
   if (zgc->site->anchor & E_GADGET_SITE_ANCHOR_LEFT)
     x += w;
   if (zgc->site->orient == E_GADGET_SITE_ORIENT_HORIZONTAL)
     {
        x += w / 2;
        first = ELM_CTXPOPUP_DIRECTION_UP, second = ELM_CTXPOPUP_DIRECTION_DOWN;
        if (zgc->site->anchor & E_GADGET_SITE_ANCHOR_TOP)
          first = ELM_CTXPOPUP_DIRECTION_DOWN, second = ELM_CTXPOPUP_DIRECTION_UP;
     }
   else if (zgc->site->orient == E_GADGET_SITE_ORIENT_VERTICAL)
     {
        y += h / 2;
        first = ELM_CTXPOPUP_DIRECTION_LEFT, second = ELM_CTXPOPUP_DIRECTION_RIGHT;
        if (zgc->site->anchor & E_GADGET_SITE_ANCHOR_LEFT)
          first = ELM_CTXPOPUP_DIRECTION_RIGHT, second = ELM_CTXPOPUP_DIRECTION_LEFT;
     }
   else
     {
        int zx, zy, zw, zh;
        e_zone_useful_geometry_get(e_comp_object_util_zone_get(pos_obj ?: g), &zx, &zy, &zw, &zh);
        if (x < zx + (zw / 2))
          {
             second = ELM_CTXPOPUP_DIRECTION_RIGHT;
             x += w / 2;
          }
        else
          second = ELM_CTXPOPUP_DIRECTION_LEFT;
        if (y < zy + (zh / 2))
          {
             first = ELM_CTXPOPUP_DIRECTION_DOWN;
             y += h;
          }
        else
          first = ELM_CTXPOPUP_DIRECTION_UP;
     }
   elm_ctxpopup_direction_priority_set(ctx, first, second, 0, 0);
   evas_object_move(ctx, x, y);
   evas_object_event_callback_add(ctx, EVAS_CALLBACK_SHOW, _gadget_util_ctxpopup_visibility, NULL);
   evas_object_event_callback_add(ctx, EVAS_CALLBACK_HIDE, _gadget_util_ctxpopup_visibility, NULL);
   if (content)
     {
        evas_object_event_callback_add(content, EVAS_CALLBACK_MOVE, _gadget_util_ctxpopup_moveresize, NULL);
        evas_object_event_callback_add(content, EVAS_CALLBACK_RESIZE, _gadget_util_ctxpopup_moveresize, NULL);
     }
   _desktop_rect_obj_add(ctx);
   evas_object_smart_callback_call(zgc->site->layout, "gadget_site_popup", ctx);
   if (evas_object_visible_get(ctx))
     e_comp_shape_queue();
}

static void
_gadget_util_allow(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   E_Gadget_Config *zgc = data;

   zgc->allow_deny.allow(zgc->allow_deny.data, zgc->gadget, NULL);
   _gadget_util_allow_deny_cleanup(zgc);
}

static void
_gadget_util_deny(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   E_Gadget_Config *zgc = data;

   zgc->allow_deny.deny(zgc->allow_deny.data, zgc->gadget, NULL);
   _gadget_util_allow_deny_cleanup(zgc);
}

E_API void
e_gadget_util_allow_deny_ctxpopup(Evas_Object *g, const char *text, Evas_Smart_Cb allow_cb, Evas_Smart_Cb deny_cb, const void *data)
{
   Evas_Object *ctx, *tb, *lbl, *bt;
   E_Gadget_Config *zgc;

   EINA_SAFETY_ON_NULL_RETURN(g);
   zgc = evas_object_data_get(g, "__e_gadget");
   EINA_SAFETY_ON_NULL_RETURN(zgc);

   /* FIXME */
   EINA_SAFETY_ON_TRUE_RETURN(!!zgc->allow_deny.popup);

   EINA_SAFETY_ON_NULL_RETURN(allow_cb);
   EINA_SAFETY_ON_NULL_RETURN(deny_cb);
   EINA_SAFETY_ON_NULL_RETURN(text);

   zgc->allow_deny.allow = allow_cb;
   zgc->allow_deny.deny = deny_cb;
   zgc->allow_deny.data = (void*)data;

   ctx = elm_ctxpopup_add(e_comp->elm);
   elm_object_style_set(ctx, "noblock");

   tb = elm_table_add(ctx);
   E_EXPAND(tb);
   E_FILL(tb);
   evas_object_show(tb);
   lbl = elm_label_add(ctx);
   E_FILL(lbl);
   elm_object_text_set(lbl, text);
   evas_object_show(lbl);
   elm_table_pack(tb, lbl, 0, 0, 2, 2);

   bt = elm_button_add(ctx);
   evas_object_show(bt);
   E_EXPAND(bt);
   E_FILL(bt);
   elm_object_text_set(bt, _("Deny"));
   evas_object_smart_callback_add(bt, "clicked", _gadget_util_deny, zgc);
   elm_table_pack(tb, bt, 0, 2, 1, 1);

   bt = elm_button_add(ctx);
   evas_object_show(bt);
   E_EXPAND(bt);
   E_FILL(bt);
   elm_object_text_set(bt, _("Allow"));
   evas_object_smart_callback_add(bt, "clicked", _gadget_util_allow, zgc);
   elm_table_pack(tb, bt, 1, 2, 1, 1);

   elm_object_content_set(ctx, tb);

   e_gadget_util_ctxpopup_place(g, ctx, NULL);
   zgc->allow_deny.popup = e_comp_object_util_add(ctx, E_COMP_OBJECT_TYPE_NONE);
   evas_object_layer_set(zgc->allow_deny.popup, E_LAYER_POPUP);
   evas_object_show(zgc->allow_deny.popup);
}

EINTERN void
e_gadget_save(void)
{
   e_config_domain_save("e_gadget_sites", edd_sites, sites);
#ifdef HAVE_WAYLAND
   e_gadget_runner_save();
#endif
}

EINTERN void
e_gadget_site_rename(const char *name, const char *newname)
{
   Eina_List *l;
   E_Gadget_Site *zgs;

   EINA_LIST_FOREACH(sites->sites, l, zgs)
     if (eina_streq(zgs->name, name))
       {
          eina_stringshare_replace(&zgs->name, newname);
          e_config_save_queue();
          break;
       }
}

EINTERN void
e_gadget_init(void)
{
   gadget_types = eina_hash_string_superfast_new(free);
   edd_gadget = E_CONFIG_DD_NEW("E_Gadget_Config", E_Gadget_Config);
   E_CONFIG_VAL(edd_gadget, E_Gadget_Config, id, INT);
   E_CONFIG_VAL(edd_gadget, E_Gadget_Config, zone, INT);
   E_CONFIG_VAL(edd_gadget, E_Gadget_Config, type, STR);
   E_CONFIG_VAL(edd_gadget, E_Gadget_Config, external.domain, STR);
   E_CONFIG_VAL(edd_gadget, E_Gadget_Config, external.type, STR);
   E_CONFIG_VAL(edd_gadget, E_Gadget_Config, style.name, STR);
   E_CONFIG_VAL(edd_gadget, E_Gadget_Config, x, DOUBLE);
   E_CONFIG_VAL(edd_gadget, E_Gadget_Config, y, DOUBLE);
   E_CONFIG_VAL(edd_gadget, E_Gadget_Config, w, DOUBLE);
   E_CONFIG_VAL(edd_gadget, E_Gadget_Config, h, DOUBLE);

   edd_site = E_CONFIG_DD_NEW("E_Gadget_Site", E_Gadget_Site);
   E_CONFIG_VAL(edd_site, E_Gadget_Site, gravity, UINT);
   E_CONFIG_VAL(edd_site, E_Gadget_Site, orient, UINT);
   E_CONFIG_VAL(edd_site, E_Gadget_Site, anchor, UINT);
   E_CONFIG_VAL(edd_site, E_Gadget_Site, autoadd, UCHAR);
   E_CONFIG_VAL(edd_site, E_Gadget_Site, name, STR);

   E_CONFIG_LIST(edd_site, E_Gadget_Site, gadgets, edd_gadget);

   edd_sites = E_CONFIG_DD_NEW("E_Gadget_Sites", E_Gadget_Sites);
   E_CONFIG_LIST(edd_sites, E_Gadget_Sites, sites, edd_site);
   sites = e_config_domain_load("e_gadget_sites", edd_sites);
   if (sites)
     {
        Eina_List *l;
        E_Gadget_Site *zgs;

        EINA_LIST_FOREACH(sites->sites, l, zgs)
          {
             Eina_List *ll;
             E_Gadget_Config *zgc;

             EINA_LIST_FOREACH(zgs->gadgets, ll, zgc)
               {
                  zgs->gadget_list = eina_inlist_append(zgs->gadget_list, EINA_INLIST_GET(zgc));
                  zgc->site = zgs;
               }
          }
     }
   else
     sites = E_NEW(E_Gadget_Sites, 1);

   move_act = e_action_add("gadget_move");
   e_action_predef_name_set(_("Gadgets"), _("Move gadget"), "gadget_move", NULL, NULL, 0);
   move_act->func.go_mouse = _gadget_act_move;

   resize_act = e_action_add("gadget_resize");
   e_action_predef_name_set(_("Gadgets"), _("Resize gadget"), "gadget_resize", NULL, NULL, 0);
   resize_act->func.go_mouse = _gadget_act_resize;
   resize_act->func.end_mouse = _gadget_act_resize_end;

   configure_act = e_action_add("gadget_configure");
   e_action_predef_name_set(_("Gadgets"), _("Configure gadget"), "gadget_configure", NULL, NULL, 0);
   configure_act->func.go_mouse = _gadget_act_configure;

   menu_act = e_action_add("gadget_menu");
   e_action_predef_name_set(_("Gadgets"), _("Gadget menu"), "gadget_menu", NULL, NULL, 0);
   menu_act->func.go_mouse = _gadget_act_menu;

   E_LIST_HANDLER_APPEND(handlers, E_EVENT_COMP_OBJECT_ADD, _site_auto_comp_object_handler, NULL);
   E_LIST_HANDLER_APPEND(handlers, E_EVENT_COMPOSITOR_UPDATE, _site_auto_comp_update, NULL);
   E_LIST_HANDLER_APPEND(handlers, E_EVENT_ZONE_USEFUL_GEOMETRY_CHANGED, _site_zones_update, NULL);

   E_LIST_FOREACH(e_comp->zones, _site_zone_hover_rect_new);

   comp_site = e_comp->canvas->gadget_site = e_gadget_site_add(E_GADGET_SITE_ORIENT_NONE, "__desktop");
   evas_object_event_callback_add(e_comp->canvas->resize_object, EVAS_CALLBACK_RESIZE, _comp_site_resize, comp_site);
   evas_object_layer_set(comp_site, E_LAYER_DESKTOP);
   evas_object_resize(comp_site, e_comp->w, e_comp->h);
#ifdef HAVE_WAYLAND
   e_gadget_runner_init();
#endif
}

EINTERN void
e_gadget_shutdown(void)
{
   E_Gadget_Site *zgs;

#ifdef HAVE_WAYLAND
   e_gadget_runner_shutdown();
#endif
   E_FREE_LIST(handlers, ecore_event_handler_del);
   E_CONFIG_DD_FREE(edd_gadget);
   E_CONFIG_DD_FREE(edd_site);
   E_CONFIG_DD_FREE(edd_sites);
   EINA_LIST_FREE(sites->sites, zgs)
     {
        E_FREE_LIST(zgs->gadgets, _gadget_free);
        evas_object_del(zgs->layout);
        eina_stringshare_del(zgs->name);
        free(zgs);
     }
   E_FREE(sites);

   e_action_del("gadget_move");
   e_action_del("gadget_resize");
   e_action_del("gadget_configure");
   e_action_del("gadget_menu");
   e_action_predef_name_del(_("Gadgets"), _("Move gadget"));
   e_action_predef_name_del(_("Gadgets"), _("Resize gadget"));
   e_action_predef_name_del(_("Gadgets"), _("Configure gadget"));
   e_action_predef_name_del(_("Gadgets"), _("Gadget menu"));
   move_act = resize_act = configure_act = menu_act = NULL;
   E_FREE_FUNC(gadget_types, eina_hash_free);
   E_FREE_FUNC(gadget_external_domains, eina_hash_free);
}

//////////////////////////////////////////////////////
////         EDITOR                              /////
//////////////////////////////////////////////////////

static void
_editor_resize(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
{
   int w, h, size;
   Elm_Object_Item *it;

   evas_object_geometry_get(obj, NULL, NULL, &w, &h);
   size = MAX(w, h);
   size = MAX(size / 4, 100);
   elm_gengrid_item_size_set(obj, size, size);
   for (it = elm_gengrid_first_item_get(obj); it; it = elm_gengrid_item_next_get(it))
     {
        Gadget_Item *gi = elm_object_item_data_get(it);
        evas_object_size_hint_max_set(gi->gadget, lround(size * 0.95), lround(size * 0.95));
     }
}

static void
_editor_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
{
   Evas_Object *site = evas_object_data_get(obj, "__gadget_site");
   if (site)
     {
        evas_object_event_callback_del(site, EVAS_CALLBACK_DEL, _edit_site_del);
        ZGS_GET(site);
        zgs->editor = NULL;
     }
   evas_object_event_callback_del_full(data, EVAS_CALLBACK_RESIZE, _editor_resize, obj);
}

static void
_editor_item_del(void *data, Evas_Object *obj EINA_UNUSED)
{
   Gadget_Item *gi = data;
   elm_box_unpack_all(gi->box);
   free(data);
}

static void
_editor_pointer_site_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   e_comp_ungrab_input(1, 1);
   free(data);
   pointer_site = NULL;
   E_FREE_LIST(pointer_site_handlers, ecore_event_handler_del);
}

static void
_editor_site_hints(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
{
   int x, y, w, h;

   evas_object_size_hint_min_get(obj, &w, &h);
   evas_pointer_canvas_xy_get(e_comp->evas, &x, &y);
   evas_object_geometry_set(pointer_site, x - (w / 2), y - (h / 2), w, h);
}

static Eina_Bool
_editor_pointer_button(Gadget_Item *active, int t EINA_UNUSED, Ecore_Event_Mouse_Button *ev)
{
   int x, y, w, h;
   E_Gadget_Site *zgs, *zzgs = NULL;

   if (active->site)
     {
        evas_object_geometry_get(active->site, &x, &y, &w, &h);
        if (evas_object_smart_need_recalculate_get(active->site))
          evas_object_smart_calculate(active->site);
        if ((ev->buttons == 1) && E_INSIDE(ev->x, ev->y, x, y, w, h))
          evas_object_smart_callback_call(active->site, "gadget_site_dropped", pointer_site);
        e_comp_canvas_feed_mouse_up(0);
        evas_object_pass_events_set(active->site, 0);
        evas_object_pass_events_set(desktop_editor, 0);
        elm_object_disabled_set(active->editor, 1);
        e_comp_object_util_del_list_remove(active->editor, pointer_site);
     }
   else
     {
        E_Gadget_Config *zgc, *z;
        Eina_List *l;
        
        if (ev->buttons == 1)
          {
             EINA_LIST_FOREACH(sites->sites, l, zgs)
               {
                  if (!zgs->layout) continue;
                  if (!evas_object_visible_get(zgs->events)) continue;
                  evas_object_geometry_get(zgs->layout, &x, &y, &w, &h);
                  if (!E_INSIDE(ev->x, ev->y, x, y, w, h)) continue;
                  /* FIXME: technically not accurate since objects on the same layer
                   * will have different stacking, but walking object trees sucks
                   */
                  if ((!zzgs) ||
                    (evas_object_layer_get(zzgs->layout) < evas_object_layer_get(zgs->layout)))
                    zzgs = zgs;
               }
          }
        zgs = evas_object_data_get(pointer_site, "__e_gadget_site");
        zgc = eina_list_data_get(zgs->gadgets);
        e_comp_canvas_feed_mouse_up(0);
        evas_object_pass_events_set(zgc->orig->site->layout, 0);
        evas_object_pass_events_set(desktop_editor, 0);
        if (zzgs)
          {
             /* fake the moving gadget as being on the pointer site */
             z = zgc->orig;
             zgc->site->gadget_list = eina_inlist_remove(zgc->site->gadget_list, EINA_INLIST_GET(zgc));
             zgc->site->gadgets = eina_list_remove(zgc->site->gadgets, zgc);
             if (evas_object_smart_need_recalculate_get(zzgs->layout))
               evas_object_smart_calculate(zzgs->layout);
             evas_object_geometry_get(zgc->display, &x, &y, NULL, NULL);
             evas_object_move(z->display, x, y);
             z->site->gadget_list = eina_inlist_remove(z->site->gadget_list, EINA_INLIST_GET(z));
             z->site->gadgets = eina_list_remove(z->site->gadgets, z);
             zgs->gadgets = eina_list_append(zgs->gadgets, z);
             z->site = zgs;
             evas_object_smart_callback_call(zzgs->layout, "gadget_site_dropped", pointer_site);
             _gadget_free(zgc);
          }
          
     }
   E_FREE_FUNC(pointer_site, evas_object_del);
   return ECORE_CALLBACK_RENEW;
}

static Eina_Bool
_editor_pointer_move(Gadget_Item *active EINA_UNUSED, int t EINA_UNUSED, Ecore_Event_Mouse_Move *ev)
{
   int w, h;

   evas_object_geometry_get(pointer_site, NULL, NULL, &w, &h);
   evas_object_move(pointer_site, ev->x - (w / 2), ev->y - (h / 2));
   if (!e_gadget_site_orient_get(pointer_site))
     evas_object_smart_need_recalculate_set(pointer_site, 1);
   return ECORE_CALLBACK_RENEW;
}

static Eina_Bool
_editor_pointer_wheel(Gadget_Item *active EINA_UNUSED, int t EINA_UNUSED, Ecore_Event_Mouse_Wheel *ev)
{
   int w, h;

   evas_object_geometry_get(pointer_site, NULL, NULL, &w, &h);
   evas_object_resize(pointer_site, w - (ev->z * 10 * e_scale), h - (ev->z * 10 * e_scale));
   evas_object_smart_need_recalculate_set(pointer_site, 1);
   return ECORE_CALLBACK_RENEW;
}

static void
_editor_pointer_site_init(E_Gadget_Site_Orient orient, Evas_Object *site, Evas_Object *editor, Eina_Bool up)
{
   Gadget_Item *active;
   Evas_Object *rect;
   int size;

   pointer_site = e_gadget_site_add(orient, NULL);
   if (site && (orient == E_GADGET_SITE_ORIENT_HORIZONTAL))
     evas_object_geometry_get(site, NULL, NULL, NULL, &size);
   else if (site && (orient == E_GADGET_SITE_ORIENT_VERTICAL))
     evas_object_geometry_get(site, NULL, NULL, &size, NULL);
   else
     size = 96 * e_scale;
   evas_object_resize(pointer_site, size, size);
   evas_object_layer_set(pointer_site, E_LAYER_MENU);
   evas_object_pass_events_set(pointer_site, 1);
   evas_object_show(pointer_site);
   active = E_NEW(Gadget_Item, 1);
   active->editor = editor;
   active->site = site;
   if (active->site)
     evas_object_pass_events_set(active->site, 1);
   evas_object_event_callback_add(pointer_site, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _editor_site_hints, active);
   evas_object_event_callback_add(pointer_site, EVAS_CALLBACK_DEL, _editor_pointer_site_del, active);
   E_LIST_HANDLER_APPEND(pointer_site_handlers, ECORE_EVENT_MOUSE_MOVE, _editor_pointer_move, active);
   if (!orient)
     E_LIST_HANDLER_APPEND(pointer_site_handlers, ECORE_EVENT_MOUSE_WHEEL, _editor_pointer_wheel, active);
   E_LIST_HANDLER_APPEND(pointer_site_handlers,
     up ? ECORE_EVENT_MOUSE_BUTTON_UP : ECORE_EVENT_MOUSE_BUTTON_DOWN, _editor_pointer_button, active);

   rect = evas_object_rectangle_add(e_comp->evas);
   evas_object_resize(rect, e_comp->w, e_comp->h);
   evas_object_color_set(rect, 0, 0, 0, 0);
   evas_object_layer_set(rect, E_LAYER_MENU + 1);
   e_comp_object_util_del_list_append(pointer_site, rect);
   evas_object_show(rect);
   e_comp_grab_input(1, 1);
}

static void
_editor_gadget_new(void *data, Evas_Object *obj, void *event_info)
{
   Gadget_Item *gi = data;
   E_Gadget_Site_Orient orient;
   E_Gadget_Config *zgc;

   zgc = evas_object_data_get(gi->gadget, "__e_gadget");

   evas_object_hide(desktop_editor);
   evas_object_pass_events_set(desktop_editor, 1);
   orient = e_gadget_site_orient_get(gi->site);
   _editor_pointer_site_init(orient, gi->site, gi->editor, 0);
   e_comp_object_util_del_list_append(gi->editor, pointer_site);

   if (zgc->external.domain)
     e_gadget_site_gadget_external_add(pointer_site, zgc->external.domain, e_gadget_type_get(gi->gadget), 1);
   else
     e_gadget_site_gadget_add(pointer_site, e_gadget_type_get(gi->gadget), 1);
   ZGS_GET(pointer_site);
   {
      zgc = eina_list_data_get(zgs->gadgets);
      zgc->moving = 1;
   }
   elm_object_disabled_set(gi->editor, 1);
   if (eina_streq(evas_object_type_get(obj), "elm_genlist"))
     elm_genlist_item_selected_set(event_info, 0);
   else
     elm_gengrid_item_selected_set(event_info, 0);
}

static Evas_Object *
_editor_content_get(void *data, Evas_Object *obj, const char *part, Evas_Object *old)
{
   Gadget_Item *gi = data;
   Eina_Bool gl = eina_streq(evas_object_type_get(obj), "elm_genlist");

   if (eina_streq(part, "elm.swallow.icon"))
     {
        if (gl) return NULL;
     }
   else if (!gl) return NULL;
   if (old)
     {
        if (gi->box == old) return old;
        elm_box_unpack_all(old);
        elm_box_unpack(gi->box, gi->gadget);
        elm_box_pack_end(old, gi->gadget);
        gi->box = old;
        return old;
     }
   gi->box = elm_box_add(obj);
   elm_box_horizontal_set(gi->box, 1);
   elm_box_pack_end(gi->box, gi->gadget);
   return gi->box;
}

static char *
_editor_text_get(void *data, Evas_Object *obj EINA_UNUSED, const char *part EINA_UNUSED)
{
   char buf[1024];
   Gadget_Item *gi = data;
   E_Gadget_Config *zgc;

   zgc = evas_object_data_get(gi->gadget, "__e_gadget");
   if (zgc->external.domain)
     {
        E_Gadget_External_Type *te;

        te = _gadget_external_type_get(zgc->external.domain, zgc->external.type);
        if (te->name)
          return te->name(zgc->external.type);
        ERR("No name cb for external gadget provider!");
        return strdup(_("ERROR: NO NAME PROVIDED"));
     }
   strncpy(buf, e_gadget_type_get(gi->gadget), sizeof(buf) - 1);
   buf[0] = toupper(buf[0]);
   return strdup(buf);
}

static void
_editor_gadget_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   Gadget_Item *gi = data;
   elm_object_item_del(gi->it);
}

E_API Evas_Object *
e_gadget_editor_add(Evas_Object *parent, Evas_Object *site)
{
   Evas_Object *list, *tempsite, *g;
   Eina_Iterator *it;
   Eina_List *gadgets;
   const char *type;
   E_Gadget_Site_Orient orient = e_gadget_site_orient_get(site);
   static Elm_Genlist_Item_Class gli =
   {
    .version = ELM_GENLIST_ITEM_CLASS_VERSION,
    .func =
    {
       .text_get = _editor_text_get,
       .reusable_content_get = _editor_content_get,
       .del = _editor_item_del,
    },
   };

   if (orient)
     {
        orient = E_GADGET_SITE_ORIENT_HORIZONTAL;
        list = elm_genlist_add(parent);
        elm_genlist_homogeneous_set(list, 1);
        elm_genlist_mode_set(list, ELM_LIST_COMPRESS);
     }
   else
     {
        list = elm_gengrid_add(parent);
        evas_object_event_callback_add(list, EVAS_CALLBACK_RESIZE, _editor_resize, NULL);
     }
   elm_scroller_bounce_set(list, 0, 0);
   elm_scroller_policy_set(list, ELM_SCROLLER_POLICY_OFF, ELM_SCROLLER_POLICY_AUTO);
   tempsite = e_gadget_site_add(orient, NULL);
   evas_object_name_set(tempsite, evas_object_name_get(site));
   e_gadget_site_gravity_set(tempsite, E_GADGET_SITE_GRAVITY_NONE);

   it = e_gadget_type_iterator_get();
   /* FIXME: no types available */
   EINA_ITERATOR_FOREACH(it, type)
     {
        E_Gadget_Config *zgc;
        e_gadget_site_gadget_add(tempsite, type, 1);
        ZGS_GET(tempsite);
        zgc = eina_list_last_data_get(zgs->gadgets);
        if (!zgc->gadget) _gadget_remove(zgc);
     }
   eina_iterator_free(it);

   if (gadget_external_domains)
     {
        Eina_Hash_Tuple *tup;

        it = eina_hash_iterator_tuple_new(gadget_external_domains);
        EINA_ITERATOR_FOREACH(it, tup)
          {
             const char *domain = tup->key;
             Eina_Hash *h = tup->data;
             E_Gadget_Config *zgc;
             Eina_Iterator *typeit = eina_hash_iterator_key_new(h);

             EINA_ITERATOR_FOREACH(typeit, type)
               {
                  e_gadget_site_gadget_external_add(tempsite, domain, type, 1);
                  ZGS_GET(tempsite);
                  zgc = eina_list_last_data_get(zgs->gadgets);
                  if (!zgc->gadget) _gadget_remove(zgc);
               }
             eina_iterator_free(typeit);
          }
        eina_iterator_free(it);
     }

   gadgets = e_gadget_site_gadgets_list(tempsite);
   EINA_LIST_FREE(gadgets, g)
     {
        Gadget_Item *gi;

        gi = E_NEW(Gadget_Item, 1);
        gi->editor = list;
        gi->gadget = g;
        gi->site = site;
        E_EXPAND(g);
        E_FILL(g);
        evas_object_pass_events_set(g, 1);
        evas_object_event_callback_add(g, EVAS_CALLBACK_DEL, _editor_gadget_del, gi);
        if (orient)
          gi->it = elm_genlist_item_append(list, &gli, gi, NULL, 0, _editor_gadget_new, gi);
        else
          gi->it = elm_gengrid_item_append(list, &gli, gi, _editor_gadget_new, gi);
     }
   evas_object_event_callback_add(list, EVAS_CALLBACK_DEL, _editor_del, parent);
   e_comp_object_util_del_list_append(list, tempsite);
   ZGS_GET(site);
   evas_object_event_callback_add(site, EVAS_CALLBACK_DEL, _edit_site_del, zgs);
   evas_object_data_set(list, "__gadget_site", site);
   /* FIXME: embedded editors? */
   zgs->editor = list;
   if (desktop_rect)
     {
        Eina_List *l;
        E_Gadget_Config *zgc;

        EINA_LIST_FOREACH(zgs->gadgets, l, zgc)
          _desktop_rect_obj_add(zgc->display);
     }
   added = 0;
   return list;
}

E_API Evas_Object *
e_gadget_site_edit(Evas_Object *site)
{
   Evas_Object *comp_object, *popup, *editor, *tb, *r;
   E_Zone *zone, *czone;

   ZGS_GET(site);
   EINA_SAFETY_ON_TRUE_RETURN_VAL(!!zgs->editor, NULL);
   zone = e_comp_object_util_zone_get(site);
   czone = e_zone_current_get();
   if (zone != czone)
     {
        int x, y, w, h;

        evas_object_geometry_get(site, &x, &y, &w, &h);
        if (E_INTERSECTS(x, y, w, h, czone->x, czone->y, czone->w, czone->h))
          zone = czone;
     }

   popup = elm_popup_add(e_comp->elm);
   elm_popup_scrollable_set(popup, EINA_FALSE);
   elm_popup_allow_events_set(popup, 1);

   tb = elm_table_add(popup);
   elm_object_content_set(popup, tb);
   r = evas_object_rectangle_add(e_comp->evas);
   evas_object_size_hint_min_set(r, zone->w / 2, 1);
   e_comp_object_util_del_list_append(tb, r);
   elm_table_pack(tb, r, 0, 0, 2, 1);
   r = evas_object_rectangle_add(e_comp->evas);
   evas_object_size_hint_min_set(r, 1, zone->h / 2);
   e_comp_object_util_del_list_append(tb, r);
   elm_table_pack(tb, r, 0, 1, 1, 1);

   editor = e_gadget_editor_add(e_comp->elm, site);
   elm_table_pack(tb, editor, 0, 1, 2, 2);
   evas_object_show(editor);
   E_EXPAND(editor);
   E_FILL(editor);
   comp_object = e_comp_object_util_add(popup, E_COMP_OBJECT_TYPE_NONE);
   evas_object_layer_set(comp_object, E_LAYER_POPUP);
   evas_object_show(comp_object);
   evas_object_resize(comp_object, zone->w / 2, zone->h / 2);
   e_comp_object_util_center_on_zone(comp_object, zone);

   return comp_object;
}

static void
_edit_end()
{
   if (desktop_editor)
     {
        E_Action *act;

        act = e_action_find("desk_deskshow_toggle");
        if (act) act->func.go(E_OBJECT(e_comp_object_util_zone_get(desktop_editor)), NULL);
        evas_object_hide(desktop_editor);
        E_FREE_FUNC(desktop_editor, evas_object_del);
     }
   E_FREE_FUNC(desktop_rect, evas_object_del);
   E_FREE_LIST(desktop_handlers, ecore_event_handler_del);
   e_comp_ungrab_input(1, 1);
}

static void
_edit_site_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   E_Gadget_Site *zgs = data;

   evas_object_data_del(zgs->editor, "__gadget_site");
   zgs->editor = NULL;
   _edit_end();
}

static void
_gadget_desklock_del(void)
{
   e_desklock_hide();
   desktop_editor = NULL;
   _edit_end();
}

static void
_gadget_desklock_clear(void)
{
   Eina_List *l;
   E_Gadget_Site *zgs;

   EINA_LIST_FOREACH(sites->sites, l, zgs)
     if (zgs->autoadd && zgs->layout && strstr(zgs->name, "desklock."))
       {
          E_LIST_FOREACH(zgs->gadgets, _gadget_remove);
       }
}

static Eina_Bool
_gadget_desklock_key_handler(void *d EINA_UNUSED, int t EINA_UNUSED, Ecore_Event_Key *ev)
{
   if ((!_editor_site_visible()) && (!pointer_site)) return ECORE_CALLBACK_RENEW;
   if (eina_streq(ev->key, "Escape"))
     {
        if (pointer_site)
          {
             E_FREE_FUNC(pointer_site, evas_object_del);
             if (desktop_editor) evas_object_show(desktop_editor);
          }
        else
          _gadget_desklock_del();
     }
   else if (eina_streq(ev->key, "Delete") || eina_streq(ev->key, "BackSpace"))
     _gadget_desklock_clear();
   return ECORE_CALLBACK_DONE;
}

static void
_gadget_desklock_mouse_up_handler(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info)
{
   Evas_Event_Mouse_Down *ev = event_info;
   if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return;
   if (ev->button != 1) return;
   if (!_editor_site_visible()) return;
   if (!added)
     _gadget_desklock_del();
   added = 0;
}

static void
_gadget_moved()
{
   added = 1;
}

static void
_desktop_editor_text_add(void)
{
   Evas_Object *txt, *tb, *popup = e_comp_object_util_get(desktop_editor);

   tb = elm_object_content_get(popup);
   txt = elm_label_add(tb);
   evas_object_show(txt);
   elm_object_text_set(txt, _("Press <hilight>Escape</hilight> or click the background to exit.<ps/>"
              "Use <hilight>Backspace</hilight> or <hilight>Delete</hilight> to remove all gadgets from this screen"));
   elm_table_pack(tb, txt, 0, 3, 2, 1);
}

static Eina_Bool
_gadget_desklock_handler(void *d EINA_UNUSED, int t EINA_UNUSED, E_Event_Comp_Object *ev)
{
   const char *name;
   Evas_Object *site, *comp_object;

   name = evas_object_name_get(ev->comp_object);
   if (!name) return ECORE_CALLBACK_RENEW;
   if (strncmp(name, "desklock", 8)) return ECORE_CALLBACK_RENEW;
   evas_object_layer_set(ev->comp_object, DESKLOCK_DEMO_LAYER - 1);
   site = e_gadget_site_auto_add(E_GADGET_SITE_ORIENT_NONE, name);
   _desktop_rect_obj_add(site);
   evas_object_smart_callback_add(site, "gadget_moved", _gadget_moved, NULL);
   evas_object_layer_set(site, DESKLOCK_DEMO_LAYER);
   ZGS_GET(site);
   desktop_editor = comp_object = e_gadget_site_edit(site);
   _desktop_editor_text_add();
   _desktop_rect_obj_add(zgs->events);
   _desktop_rect_obj_add(comp_object);
   e_comp_object_util_del_list_append(ev->comp_object, comp_object);

   return ECORE_CALLBACK_RENEW;
}

E_API void
e_gadget_site_desklock_edit(void)
{
   desktop_rect = evas_object_event_grabber_add(e_comp->evas);
   evas_object_resize(desktop_rect, e_comp->w, e_comp->h);
   evas_object_layer_set(desktop_rect, E_LAYER_MAX - 100);
   evas_object_show(desktop_rect);
   E_LIST_HANDLER_APPEND(desktop_handlers, E_EVENT_COMP_OBJECT_ADD, _gadget_desklock_handler, NULL);
   E_LIST_HANDLER_APPEND(desktop_handlers, ECORE_EVENT_KEY_DOWN, _gadget_desklock_key_handler, NULL);
   evas_object_event_callback_add(desktop_rect, EVAS_CALLBACK_MOUSE_UP, _gadget_desklock_mouse_up_handler, NULL);
   e_desklock_demo();
   e_comp_grab_input(1, 1);
}

static Eina_Bool
_gadget_desktop_key_handler(void *data, int t EINA_UNUSED, Ecore_Event_Key *ev)
{
   if ((!_editor_site_visible()) && (!pointer_site)) return ECORE_CALLBACK_RENEW;
   if (eina_streq(ev->key, "Escape"))
     {
        if (pointer_site)
          {
             E_FREE_FUNC(pointer_site, evas_object_del);
             if (desktop_editor) evas_object_show(desktop_editor);
          }
        else
          _edit_end();
     }
   else if (eina_streq(ev->key, "Delete") || eina_streq(ev->key, "BackSpace"))
     {
        E_Gadget_Site *zgs = data;
        E_LIST_FOREACH(zgs->gadgets, _gadget_remove);
     }
   return ECORE_CALLBACK_DONE;
}

static void
_gadget_desktop_mouse_up_handler(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info)
{
   Evas_Event_Mouse_Down *ev = event_info;
   if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return;
   if (ev->button != 1) return;
   if (!_editor_site_visible()) return;
   if (!added)
     _edit_end();
   added = 0;
}

E_API void
e_gadget_site_desktop_edit(Evas_Object *site)
{
   E_Action *act;

   ZGS_GET(site);

   desktop_rect = evas_object_event_grabber_add(e_comp->evas);
   evas_object_event_callback_add(desktop_rect, EVAS_CALLBACK_DEL, _edit_end, NULL);
   evas_object_resize(desktop_rect, e_comp->w, e_comp->h);
   evas_object_layer_set(desktop_rect, E_LAYER_MAX - 100);
   evas_object_show(desktop_rect);

   _desktop_rect_obj_add(site);

   E_LIST_HANDLER_APPEND(desktop_handlers, ECORE_EVENT_KEY_DOWN, _gadget_desktop_key_handler, zgs);
   evas_object_event_callback_add(desktop_rect, EVAS_CALLBACK_MOUSE_UP, _gadget_desktop_mouse_up_handler, NULL);

   desktop_editor = e_gadget_site_edit(site);
   _desktop_editor_text_add();
   _desktop_rect_obj_add(desktop_editor);
   evas_object_smart_callback_add(site, "gadget_moved", _gadget_moved, NULL);
   evas_object_show(desktop_editor);

   act = e_action_find("desk_deskshow_toggle");
   if (act) act->func.go(E_OBJECT(e_comp_object_util_zone_get(desktop_editor)), NULL);
   e_comp_grab_input(1, 1);
}