/*
 * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
 */
#include "e.h"

static void _e_shelf_free(E_Shelf *es);
static const char *_e_shelf_orient_string_get(E_Shelf *es);
static void _e_shelf_gadcon_min_size_request(void *data, E_Gadcon *gc, Evas_Coord w, Evas_Coord h);
static void _e_shelf_gadcon_size_request(void *data, E_Gadcon *gc, Evas_Coord w, Evas_Coord h);
static Evas_Object *_e_shelf_gadcon_frame_request(void *data, E_Gadcon_Client *gcc, const char *style);
static void _e_shelf_cb_menu_config(void *data, E_Menu *m, E_Menu_Item *mi);
static void _e_shelf_cb_menu_edit(void *data, E_Menu *m, E_Menu_Item *mi);
static void _e_shelf_cb_menu_contents(void *data, E_Menu *m, E_Menu_Item *mi);
static void _e_shelf_cb_confirm_dialog_yes(void *data);
static void _e_shelf_cb_menu_delete(void *data, E_Menu *m, E_Menu_Item *mi);
static void _e_shelf_menu_append(E_Shelf *es, E_Menu *mn);
static void _e_shelf_cb_menu_items_append(void *data, E_Menu *mn);
static void _e_shelf_cb_mouse_down(void *data, Evas *evas, Evas_Object *obj, void *event_info);
static void _e_shelf_cb_mouse_up(void *data, Evas *evas, Evas_Object *obj, void *event_info);
static void _e_shelf_cb_mouse_in(void *data, Evas *evas, Evas_Object *obj, void *event_info);
static void _e_shelf_cb_mouse_out(void *data, Evas *evas, Evas_Object *obj, void *event_info);
static int  _e_shelf_cb_id_sort(void *data1, void *data2);

static Evas_List *shelves = NULL;

/* externally accessible functions */
EAPI int
e_shelf_init(void)
{
   return 1;
}

EAPI int
e_shelf_shutdown(void)
{
   return 1;
}

EAPI void
e_shelf_config_init(void)
{
   Evas_List *l;
   
   while (shelves)
     {
	E_Shelf *es;

	es = shelves->data;
	e_object_del(E_OBJECT(es));
     }

   for (l = e_config->shelves; l; l = l->next)
     {
	E_Config_Shelf *cf_es;
	E_Zone *zone;
	
	cf_es = l->data;
	zone = e_util_container_zone_number_get(cf_es->container, cf_es->zone);
	if (zone)
	  {
	     E_Shelf *es;
	     
	     es = e_shelf_zone_new(zone, cf_es->name, cf_es->style,
				   cf_es->popup, cf_es->layer, -1);
	     if (es)
	       {
		  es->cfg = cf_es;
		  es->fit_along = cf_es->fit_along;
		  es->fit_size = cf_es->fit_size;
		  e_shelf_orient(es, cf_es->orient);
		  e_shelf_position_calc(es);
		  e_shelf_populate(es);
		  e_shelf_show(es);
	       }
	  }
     }
}

EAPI Evas_List *
e_shelf_list(void)
{
   return shelves;
}

EAPI E_Shelf *
e_shelf_zone_new(E_Zone *zone, const char *name, const char *style, int popup, int layer, int id)
{
   E_Shelf *es;
   char buf[1024];
   
   es = E_OBJECT_ALLOC(E_Shelf, E_SHELF_TYPE, _e_shelf_free);
   if (!es) return NULL;

   es->x = 0;
   es->y = 0;
   es->w = 32;
   es->h = 32;
   if (popup)
     {
	es->popup = e_popup_new(zone, es->x, es->y, es->w, es->h);
	e_drop_xdnd_register_set(es->popup->evas_win, 1);
	e_popup_layer_set(es->popup, layer);
	es->ee = es->popup->ecore_evas;
	es->evas = es->popup->evas;
     }
   else
     {
	e_drop_xdnd_register_set(zone->container->bg_win, 1);
	es->ee = zone->container->bg_ecore_evas;
	es->evas = zone->container->bg_evas;
     }
   es->fit_along = 1;
   es->layer = layer;
   es->zone = zone;
   es->style = evas_stringshare_add(style);

   es->o_event = evas_object_rectangle_add(es->evas);
   evas_object_color_set(es->o_event, 0, 0, 0, 0);
   evas_object_resize(es->o_event, es->w, es->h);
   
   evas_object_event_callback_add(es->o_event, EVAS_CALLBACK_MOUSE_DOWN, _e_shelf_cb_mouse_down, es);
   evas_object_event_callback_add(es->o_event, EVAS_CALLBACK_MOUSE_UP, _e_shelf_cb_mouse_up, es);
   evas_object_event_callback_add(es->o_event, EVAS_CALLBACK_MOUSE_IN, _e_shelf_cb_mouse_in, es);
   evas_object_event_callback_add(es->o_event, EVAS_CALLBACK_MOUSE_OUT, _e_shelf_cb_mouse_out, es);
   
   es->o_base = edje_object_add(es->evas);
   es->name = evas_stringshare_add(name);
   snprintf(buf, sizeof(buf), "e/shelf/%s/base", es->style);
   evas_object_resize(es->o_base, es->w, es->h);
   if (!e_theme_edje_object_set(es->o_base, "base/theme/shelf", buf))
     e_theme_edje_object_set(es->o_base, "base/theme/shelf",
			     "e/shelf/default/base");
   if (es->popup)
     {
	evas_object_show(es->o_event);
	evas_object_show(es->o_base);
	e_popup_edje_bg_object_set(es->popup, es->o_base);
     }
   else
     {
	evas_object_move(es->o_event, es->zone->x + es->x, es->zone->y + es->y);
	evas_object_move(es->o_base, es->zone->x + es->x, es->zone->y + es->y);
	evas_object_layer_set(es->o_event, layer);
	evas_object_layer_set(es->o_base, layer);
     }
   if (id < 0)
     es->id = evas_list_count(shelves);
   else
     es->id = id;

   snprintf(buf, sizeof(buf), "%i", es->id);
   es->gadcon = e_gadcon_swallowed_new(es->name, buf, es->o_base, "e.swallow.content");
   e_gadcon_min_size_request_callback_set(es->gadcon,
					  _e_shelf_gadcon_min_size_request,
					  es);
   e_gadcon_size_request_callback_set(es->gadcon,
				      _e_shelf_gadcon_size_request,
				      es);
   e_gadcon_frame_request_callback_set(es->gadcon,
				       _e_shelf_gadcon_frame_request,
				       es);
   e_gadcon_orient(es->gadcon, E_GADCON_ORIENT_TOP);
   snprintf(buf, sizeof(buf), "e,state,orientation,%s", _e_shelf_orient_string_get(es));
   edje_object_signal_emit(es->o_base, buf, "e");
   edje_object_message_signal_process(es->o_base);
   e_gadcon_zone_set(es->gadcon, zone);
   e_gadcon_ecore_evas_set(es->gadcon, es->ee);
   e_gadcon_util_menu_attach_func_set(es->gadcon,
				      _e_shelf_cb_menu_items_append,
				      es);
   
   shelves = evas_list_append(shelves, es);
   shelves = evas_list_sort(shelves, -1, _e_shelf_cb_id_sort);
   return es;
}

EAPI void
e_shelf_zone_move_resize_handle(E_Zone *zone)
{
   Evas_List *l;
   E_Shelf *es;
   
   for (l = shelves; l; l = l->next)
     {
	es = l->data;
	if (es->zone == zone) e_shelf_position_calc(es);
     }
}

EAPI void
e_shelf_populate(E_Shelf *es)
{
   E_OBJECT_CHECK(es);
   E_OBJECT_TYPE_CHECK(es, E_SHELF_TYPE);
   e_gadcon_populate(es->gadcon);
}

EAPI void
e_shelf_show(E_Shelf *es)
{
   E_OBJECT_CHECK(es);
   E_OBJECT_TYPE_CHECK(es, E_SHELF_TYPE);
   if (es->popup)
     e_popup_show(es->popup);
   else
     {
	evas_object_show(es->o_event);
	evas_object_show(es->o_base);
     }
}

EAPI void
e_shelf_hide(E_Shelf *es)
{
   E_OBJECT_CHECK(es);
   E_OBJECT_TYPE_CHECK(es, E_SHELF_TYPE);
   if (es->popup)
     e_popup_hide(es->popup);
   else
     {
	evas_object_hide(es->o_event);
	evas_object_hide(es->o_base);
     }
}

EAPI void
e_shelf_move(E_Shelf *es, int x, int y)
{
   E_OBJECT_CHECK(es);
   E_OBJECT_TYPE_CHECK(es, E_SHELF_TYPE);
   es->x = x;
   es->y = y;
   if (es->popup)
     e_popup_move(es->popup, es->x, es->y);
   else
     {
	evas_object_move(es->o_event, es->zone->x + es->x, es->zone->y + es->y);
	evas_object_move(es->o_base, es->zone->x + es->x, es->zone->y + es->y);
     }
}

EAPI void
e_shelf_resize(E_Shelf *es, int w, int h)
{
   E_OBJECT_CHECK(es);
   E_OBJECT_TYPE_CHECK(es, E_SHELF_TYPE);
   es->w = w;
   es->h = h;
   if (es->popup)
     e_popup_resize(es->popup, es->w, es->h);
   evas_object_resize(es->o_event, es->w, es->h);
   evas_object_resize(es->o_base, es->w, es->h);
}

EAPI void
e_shelf_move_resize(E_Shelf *es, int x, int y, int w, int h)
{
   E_OBJECT_CHECK(es);
   E_OBJECT_TYPE_CHECK(es, E_SHELF_TYPE);
   es->x = x;
   es->y = y;
   es->w = w;
   es->h = h;
   if (es->popup) 
     e_popup_move_resize(es->popup, es->x, es->y, es->w, es->h); 
   else
     {
	evas_object_move(es->o_event, es->zone->x + es->x, es->zone->y + es->y);
	evas_object_move(es->o_base, es->zone->x + es->x, es->zone->y + es->y);
     }
   evas_object_resize(es->o_event, es->w, es->h);
   evas_object_resize(es->o_base, es->w, es->h);
}

EAPI void
e_shelf_layer_set(E_Shelf *es, int layer)
{
   E_OBJECT_CHECK(es);
   E_OBJECT_TYPE_CHECK(es, E_SHELF_TYPE);

   es->layer = layer;
   if (es->popup)
     e_popup_layer_set(es->popup, es->layer);
   else
     {
	evas_object_layer_set(es->o_event, es->layer);
	evas_object_layer_set(es->o_base, es->layer);
     }
}

EAPI void
e_shelf_save(E_Shelf *es)
{
   E_OBJECT_CHECK(es);
   E_OBJECT_TYPE_CHECK(es, E_SHELF_TYPE);
   if (es->cfg)
     {
	es->cfg->orient = es->gadcon->orient;
	if (es->cfg->style) evas_stringshare_del(es->cfg->style);
	es->cfg->style = evas_stringshare_add(es->style);
     }
   else
     {
	E_Config_Shelf *cf_es;
	
	cf_es = E_NEW(E_Config_Shelf, 1);
	cf_es->name = evas_stringshare_add(es->name);
	cf_es->container = es->zone->container->num;
	cf_es->zone = es->zone->num;
	if (es->popup) cf_es->popup = 1;
	cf_es->layer = es->layer;
	e_config->shelves = evas_list_append(e_config->shelves, cf_es);
	cf_es->orient = es->gadcon->orient;
	cf_es->style = evas_stringshare_add(es->style);
	cf_es->fit_along = es->fit_along;
	cf_es->fit_size = es->fit_size;
	es->cfg = cf_es;
     }
   e_config_save_queue();
}

EAPI void
e_shelf_unsave(E_Shelf *es)
{
   E_OBJECT_CHECK(es);
   E_OBJECT_TYPE_CHECK(es, E_SHELF_TYPE);
   if (es->cfg)
     {
	e_config->shelves = evas_list_remove(e_config->shelves, es->cfg);
	evas_stringshare_del(es->cfg->name);
	if (es->cfg->style) evas_stringshare_del(es->cfg->style);
	free(es->cfg);
     }
}

EAPI void
e_shelf_orient(E_Shelf *es, E_Gadcon_Orient orient)
{
   char buf[PATH_MAX];
   E_OBJECT_CHECK(es);
   E_OBJECT_TYPE_CHECK(es, E_SHELF_TYPE);
   
   e_gadcon_orient(es->gadcon, orient);
   snprintf(buf, sizeof(buf), "e,state,orientation,%s", _e_shelf_orient_string_get(es));
   edje_object_signal_emit(es->o_base, buf, "e");
   edje_object_message_signal_process(es->o_base);
}

EAPI void
e_shelf_position_calc(E_Shelf *es)
{
   E_Gadcon_Orient orient = E_GADCON_ORIENT_FLOAT;
   int size = 40;
   
   if (es->cfg)
     {
	orient = es->cfg->orient;
	size = es->cfg->size;
     }
   else
     orient = es->gadcon->orient;
   switch (orient)
     {
      case E_GADCON_ORIENT_FLOAT:
	if (!es->fit_along) es->w = es->zone->w;
	if (!es->fit_size) es->h = size;
	break;
      case E_GADCON_ORIENT_HORIZ:
	if (!es->fit_along) es->w = es->zone->w;
	if (!es->fit_size) es->h = size;
	es->x = (es->zone->w - es->w) / 2;
	break;
      case E_GADCON_ORIENT_VERT:
	if (!es->fit_along) es->h = es->zone->h;
	if (!es->fit_size) es->w = size;
	es->y = (es->zone->h - es->h) / 2;
	break;
      case E_GADCON_ORIENT_LEFT:
	if (!es->fit_along) es->h = es->zone->h;
	if (!es->fit_size) es->w = size;
	es->x = 0;
	es->y = (es->zone->h - es->h) / 2;
	break;
      case E_GADCON_ORIENT_RIGHT:
	if (!es->fit_along) es->h = es->zone->h;
	if (!es->fit_size) es->w = size;
	es->x = es->zone->w - es->w;
	es->y = (es->zone->h - es->h) / 2;
	break;
      case E_GADCON_ORIENT_TOP:
	if (!es->fit_along) es->w = es->zone->w;
	if (!es->fit_size) es->h = size;
	es->x = (es->zone->w - es->w) / 2;
	es->y = 0;
	break;
      case E_GADCON_ORIENT_BOTTOM:
	if (!es->fit_along) es->w = es->zone->w;
	if (!es->fit_size) es->h = size;
	es->x = (es->zone->w - es->w) / 2;
	es->y = es->zone->h - es->h;
	break;
      case E_GADCON_ORIENT_CORNER_TL:
	if (!es->fit_along) es->w = es->zone->w;
	if (!es->fit_size) es->h = size;
	es->x = 0;
	es->y = 0;
	break;
      case E_GADCON_ORIENT_CORNER_TR:
	if (!es->fit_along) es->w = es->zone->w;
	if (!es->fit_size) es->h = size;
	es->x = es->zone->w - es->w;
	es->y = 0;
	break;
      case E_GADCON_ORIENT_CORNER_BL:
	if (!es->fit_along) es->w = es->zone->w;
	if (!es->fit_size) es->h = size;
	es->x = 0;
	es->y = es->zone->h - es->h;
	break;
      case E_GADCON_ORIENT_CORNER_BR:
	if (!es->fit_along) es->w = es->zone->w;
	if (!es->fit_size) es->h = size;
	es->x = es->zone->w - es->w;
	es->y = es->zone->h - es->h;
	break;
      case E_GADCON_ORIENT_CORNER_LT:
	if (!es->fit_along) es->h = es->zone->h;
	if (!es->fit_size) es->w = size;
	es->x = 0;
	es->y = 0;
	break;
      case E_GADCON_ORIENT_CORNER_RT:
	if (!es->fit_along) es->h = es->zone->h;
	if (!es->fit_size) es->w = size;
	es->x = es->zone->w - es->w;
	es->y = 0;
	break;
      case E_GADCON_ORIENT_CORNER_LB:
	if (!es->fit_along) es->h = es->zone->h;
	if (!es->fit_size) es->w = size;
	es->x = 0;
	es->y = es->zone->h - es->h;
	break;
      case E_GADCON_ORIENT_CORNER_RB:
	if (!es->fit_along) es->h = es->zone->h;
	if (!es->fit_size) es->w = size;
	es->x = es->zone->w - es->w;
	es->y = es->zone->h - es->h;
	break;
      default:
	break;
     }
   e_shelf_move_resize(es, es->x, es->y, es->w, es->h);
}

EAPI void 
e_shelf_style_set(E_Shelf *es, const char *style) 
{
   char buf[1024];
   
   E_OBJECT_CHECK(es);
   E_OBJECT_TYPE_CHECK(es, E_SHELF_TYPE);

   if (!es->o_base) return;

   if (es->style)
     evas_stringshare_del(es->style);
   es->style = evas_stringshare_add(style);
   
   if (style)
     snprintf(buf, sizeof(buf), "e/shelf/%s/base", style);
   else
     snprintf(buf, sizeof(buf), "e/shelf/%s/base", "default");
     
   if (!e_theme_edje_object_set(es->o_base, "base/theme/shelf", buf))
     e_theme_edje_object_set(es->o_base, "base/theme/shelf", 
			     "e/shelf/default/base");
   e_gadcon_unpopulate(es->gadcon);
   e_gadcon_populate(es->gadcon);
}

EAPI void 
e_shelf_popup_set(E_Shelf *es, int popup) 
{
   E_OBJECT_CHECK(es);
   E_OBJECT_TYPE_CHECK(es, E_SHELF_TYPE);

   if (!es->cfg) return;
   if (es->popup) e_object_del(E_OBJECT(es->popup));
   if (popup) 
     {
	es->popup = e_popup_new(es->zone, es->x, es->y, es->w, es->h);
	e_drop_xdnd_register_set(es->popup->evas_win, 1);
	e_popup_layer_set(es->popup, es->cfg->layer);
	es->ee = es->popup->ecore_evas;
	es->evas = es->popup->evas;
	evas_object_show(es->o_event);
	evas_object_show(es->o_base);
	e_popup_edje_bg_object_set(es->popup, es->o_base);
     }
   else 
     {
	evas_object_move(es->o_event, es->zone->x + es->x, es->zone->y + es->y);
	evas_object_move(es->o_base, es->zone->x + es->x, es->zone->y + es->y);
	evas_object_layer_set(es->o_event, es->cfg->layer);
	evas_object_layer_set(es->o_base, es->cfg->layer);
     }
}

/* local subsystem functions */
static void
_e_shelf_free(E_Shelf *es)
{
   if (es->menu)
     {
	e_menu_post_deactivate_callback_set(es->menu, NULL, NULL);
	e_object_del(E_OBJECT(es->menu));
	es->menu = NULL;
     }
   if (es->config_dialog) e_object_del(E_OBJECT(es->config_dialog));
   shelves = evas_list_remove(shelves, es);
   e_object_del(E_OBJECT(es->gadcon));
   evas_stringshare_del(es->name);
   evas_stringshare_del(es->style);
   evas_object_del(es->o_event);
   evas_object_del(es->o_base);
   if (es->popup)
     {
	e_drop_xdnd_register_set(es->popup->evas_win, 0);
	e_object_del(E_OBJECT(es->popup));
     }
   free(es);
}

static const char *
_e_shelf_orient_string_get(E_Shelf *es)
{
   const char *sig = "";
   
   switch (es->gadcon->orient)
     {
      case E_GADCON_ORIENT_FLOAT:
	sig = "float";
	break;
      case E_GADCON_ORIENT_HORIZ:
	sig = "horizontal";
	break;
      case E_GADCON_ORIENT_VERT:
	sig = "vertical";
	break;
      case E_GADCON_ORIENT_LEFT:
	sig = "left";
	break;
      case E_GADCON_ORIENT_RIGHT:
	sig = "right";
	break;
      case E_GADCON_ORIENT_TOP:
	sig = "top";
	break;
      case E_GADCON_ORIENT_BOTTOM:
	sig = "bottom";
	break;
      case E_GADCON_ORIENT_CORNER_TL:
	sig = "top_left";
	break;
      case E_GADCON_ORIENT_CORNER_TR:
	sig = "top_right";
	break;
      case E_GADCON_ORIENT_CORNER_BL:
	sig = "bottom_left";
	break;
      case E_GADCON_ORIENT_CORNER_BR:
	sig = "bottom_right";
	break;
      case E_GADCON_ORIENT_CORNER_LT:
	sig = "left_top";
	break;
      case E_GADCON_ORIENT_CORNER_RT:
	sig = "right_top";
	break;
      case E_GADCON_ORIENT_CORNER_LB:
	sig = "left_bottom";
	break;
      case E_GADCON_ORIENT_CORNER_RB:
	sig = "right_bottom";
	break;
      default:
	break;
     }
   return sig;
}

static void
_e_shelf_gadcon_min_size_request(void *data, E_Gadcon *gc, Evas_Coord w, Evas_Coord h)
{
   return;
}

static void
_e_shelf_gadcon_size_request(void *data, E_Gadcon *gc, Evas_Coord w, Evas_Coord h)
{
   E_Shelf *es;
   Evas_Coord nx, ny, nw, nh, ww, hh;
   
   es = data;
   nx = es->x;
   ny = es->y;
   nw = es->w;
   nh = es->h;
   ww = hh = 0;
   evas_object_geometry_get(gc->o_container, NULL, NULL, &ww, &hh);
   switch (gc->orient)
     {
      case E_GADCON_ORIENT_FLOAT:
      case E_GADCON_ORIENT_HORIZ:
      case E_GADCON_ORIENT_TOP:
      case E_GADCON_ORIENT_BOTTOM:
      case E_GADCON_ORIENT_CORNER_TL:
      case E_GADCON_ORIENT_CORNER_TR:
      case E_GADCON_ORIENT_CORNER_BL:
      case E_GADCON_ORIENT_CORNER_BR:
	if (!es->fit_along) w = ww;
	if (!es->fit_size) h = hh;
	break;
      case E_GADCON_ORIENT_VERT:
      case E_GADCON_ORIENT_LEFT:
      case E_GADCON_ORIENT_RIGHT:
      case E_GADCON_ORIENT_CORNER_LT:
      case E_GADCON_ORIENT_CORNER_RT:
      case E_GADCON_ORIENT_CORNER_LB:
      case E_GADCON_ORIENT_CORNER_RB:
	if (!es->fit_along) h = hh;
	if (!es->fit_size) w = ww;
	break;
      default:
	break;
     }
   e_gadcon_swallowed_min_size_set(gc, w, h);
   edje_object_size_min_calc(es->o_base, &nw, &nh);
   switch (gc->orient)
     {
      case E_GADCON_ORIENT_FLOAT:
	if (!es->fit_along) nw = es->w;
	if (!es->fit_size) nh = es->h;
	if (nw > es->zone->w) nw = es->zone->w;
	if (nh > es->zone->h) nh = es->zone->h;
	if (nw != es->w) nx = es->x + ((es->w - nw) / 2);
	break;
      case E_GADCON_ORIENT_HORIZ:
	if (!es->fit_along) nw = es->w;
	if (!es->fit_size) nh = es->h;
	if (nw > es->zone->w) nw = es->zone->w;
	if (nh > es->zone->h) nh = es->zone->h;
	if (nw != es->w) nx = es->x + ((es->w - nw) / 2);
	break;
      case E_GADCON_ORIENT_VERT:
	if (!es->fit_along) nh = es->h;
	if (!es->fit_size) nw = es->w;
	if (nw > es->zone->w) nw = es->zone->w;
	if (nh > es->zone->h) nh = es->zone->h;
	if (nh != es->h) ny = es->y + ((es->h - nh) / 2);
	break;
      case E_GADCON_ORIENT_LEFT:
	if (!es->fit_along) nh = es->h;
	if (!es->fit_size) nw = es->w;
	if (nw > es->zone->w) nw = es->zone->w;
	if (nh > es->zone->h) nh = es->zone->h;
	if (nh != es->h) ny = (es->zone->h - nh) / 2;
	nx = 0;
	break;
      case E_GADCON_ORIENT_RIGHT:
	if (!es->fit_along) nh = es->h;
	if (!es->fit_size) nw = es->w;
	if (nw > es->zone->w) nw = es->zone->w;
	if (nh > es->zone->h) nh = es->zone->h;
	if (nh != es->h) ny = (es->zone->h - nh) / 2;
	nx = es->zone->w - nw;
	break;
      case E_GADCON_ORIENT_TOP:
	if (!es->fit_along) nw = es->w;
	if (!es->fit_size) nh = es->h;
	if (nw > es->zone->w) nw = es->zone->w;
	if (nh > es->zone->h) nh = es->zone->h;
	if (nw != es->w) nx = (es->zone->w - nw) / 2;
	ny = 0;
	break;
      case E_GADCON_ORIENT_BOTTOM:
	if (!es->fit_along) nw = es->w;
	if (!es->fit_size) nh = es->h;
	if (nw > es->zone->w) nw = es->zone->w;
	if (nh > es->zone->h) nh = es->zone->h;
	if (nw != es->w) nx = (es->zone->w - nw) / 2;
	ny = es->zone->h - nh;
	break;
      case E_GADCON_ORIENT_CORNER_TL:
	if (!es->fit_along) nw = es->w;
	if (!es->fit_size) nh = es->h;
	if (nw > es->zone->w) nw = es->zone->w;
	if (nh > es->zone->h) nh = es->zone->h;
	if (nw != es->w) nx = 0;
	ny = 0;
	break;
      case E_GADCON_ORIENT_CORNER_TR:
	if (!es->fit_along) nw = es->w;
	if (!es->fit_size) nh = es->h;
	if (nw > es->zone->w) nw = es->zone->w;
	if (nh > es->zone->h) nh = es->zone->h;
	nx = es->zone->w - nw;
	ny = 0;
	break;
      case E_GADCON_ORIENT_CORNER_BL:
	if (!es->fit_along) nw = es->w;
	if (!es->fit_size) nh = es->h;
	if (nw > es->zone->w) nw = es->zone->w;
	if (nh > es->zone->h) nh = es->zone->h;
	if (nw != es->w) nx = 0;
	ny = es->zone->h - nh;
	break;
      case E_GADCON_ORIENT_CORNER_BR:
	if (!es->fit_along) nw = es->w;
	if (!es->fit_size) nh = es->h;
	if (nw > es->zone->w) nw = es->zone->w;
	if (nh > es->zone->h) nh = es->zone->h;
	nx = es->zone->w - nw;
	ny = es->zone->h - nh;
	break;
      case E_GADCON_ORIENT_CORNER_LT:
	if (!es->fit_along) nh = es->h;
	if (!es->fit_size) nw = es->w;
	if (nw > es->zone->w) nw = es->zone->w;
	if (nh > es->zone->h) nh = es->zone->h;
	if (nh != es->h) ny = 0;
	nx = 0;
	break;
      case E_GADCON_ORIENT_CORNER_RT:
	if (!es->fit_along) nh = es->h;
	if (!es->fit_size) nw = es->w;
	if (nw > es->zone->w) nw = es->zone->w;
	if (nh > es->zone->h) nh = es->zone->h;
	if (nh != es->h) ny = 0;
	nx = es->zone->w - nw;
	break;
      case E_GADCON_ORIENT_CORNER_LB:
	if (!es->fit_along) nh = es->h;
	if (!es->fit_size) nw = es->w;
	if (nw > es->zone->w) nw = es->zone->w;
	if (nh > es->zone->h) nh = es->zone->h;
	if (nh != es->h) ny = es->zone->h - nh;
	nx = 0;
	break;
      case E_GADCON_ORIENT_CORNER_RB:
	if (!es->fit_along) nh = es->h;
	if (!es->fit_size) nw = es->w;
	if (nw > es->zone->w) nw = es->zone->w;
	if (nh > es->zone->h) nh = es->zone->h;
	if (nh != es->h) ny = es->zone->h - nh;
	nx = es->zone->w - nw;
	break;
      default:
	break;
     }
   e_shelf_move_resize(es, nx, ny, nw, nh);
}

static Evas_Object *
_e_shelf_gadcon_frame_request(void *data, E_Gadcon_Client *gcc, const char *style)
{
   E_Shelf *es;
   Evas_Object *o;
   char buf[4096];
   
   es = data;
   o = edje_object_add(gcc->gadcon->evas);

   snprintf(buf, sizeof(buf), "e/shelf/%s/%s", es->style, style);
   if (!e_theme_edje_object_set(o, "base/theme/shelf", buf))
     {
	/* if an inset style (e.g. plain) isn't implemented for a given
	 * shelf style, fall back to the default one. no need for every
	 * theme to implement the plain style */
	snprintf(buf, sizeof(buf), "e/shelf/default/%s", style);
	if (!e_theme_edje_object_set(o, "base/theme/shelf", buf))
	  {
	     evas_object_del(o);
	     return NULL;
	  }
     }
   snprintf(buf, sizeof(buf), "e,state,orientation,%s", _e_shelf_orient_string_get(es));
   edje_object_signal_emit(es->o_base, buf, "e");
   edje_object_message_signal_process(o);
   return o;
}

static void
_e_shelf_menu_append(E_Shelf *es, E_Menu *mn)
{
   E_Menu_Item *mi;
   
   mi = e_menu_item_new(mn);
   e_menu_item_label_set(mi, _("Shelf Configuration"));
   e_util_menu_item_edje_icon_set(mi, "enlightenment/config");
   e_menu_item_callback_set(mi, _e_shelf_cb_menu_config, es);
   
   mi = e_menu_item_new(mn);
   if (es->gadcon->editing)
     e_menu_item_label_set(mi, _("Stop Moving/Resizing Items"));
   else
     e_menu_item_label_set(mi, _("Begin Moving/Resizing Items"));
   e_util_menu_item_edje_icon_set(mi, "enlightenment/edit");
   e_menu_item_callback_set(mi, _e_shelf_cb_menu_edit, es);
   
   mi = e_menu_item_new(mn);
   e_menu_item_label_set(mi, _("Configure Shelf Contents"));
   e_util_menu_item_edje_icon_set(mi, "enlightenment/config");
   e_menu_item_callback_set(mi, _e_shelf_cb_menu_contents, es);
   
   mi = e_menu_item_new(mn);
   e_menu_item_label_set(mi, _("Delete this Shelf"));
   e_util_menu_item_edje_icon_set(mi, "enlightenment/delete");
   e_menu_item_callback_set(mi, _e_shelf_cb_menu_delete, es);
}

static void
_e_shelf_cb_menu_items_append(void *data, E_Menu *mn)
{
   E_Shelf *es;
   
   es = data;
   _e_shelf_menu_append(es, mn);
}

static void
_e_shelf_cb_menu_config(void *data, E_Menu *m, E_Menu_Item *mi)
{
   E_Shelf *es;
   
   es = data;
   if (!es->config_dialog) e_int_shelf_config(es);
}

static void
_e_shelf_cb_menu_edit(void *data, E_Menu *m, E_Menu_Item *mi)
{
   E_Shelf *es;
   
   es = data;
   if (es->gadcon->editing)
     e_gadcon_edit_end(es->gadcon);
   else
     e_gadcon_edit_begin(es->gadcon);
}

static void
_e_shelf_cb_menu_contents(void *data, E_Menu *m, E_Menu_Item *mi)
{
   E_Shelf *es;
   
   es = data;
   if (!es->gadcon->config_dialog)
     e_int_gadcon_config(es->gadcon);
}

static void
_e_shelf_cb_confirm_dialog_yes(void *data)
{
   E_Config_Shelf *cfg;
   E_Shelf *es;

   es = data;
   cfg = es->cfg;
   e_object_del(E_OBJECT(es));
   e_config->shelves = evas_list_remove(e_config->shelves, cfg);
   if (cfg->name) evas_stringshare_del(cfg->name);
   if (cfg->style) evas_stringshare_del(cfg->style);
   E_FREE(cfg);

   e_config_save_queue();
}


static void
_e_shelf_cb_menu_delete(void *data, E_Menu *m, E_Menu_Item *mi)
{
   e_confirm_dialog_show(_("Are you sure you want to delete this shelf?"), "enlightenment/e",
			 _("You requested to delete this shelf.<br>"
			      "<br>"
			      "Are you sure you want to delete it?"), NULL, NULL,
			 _e_shelf_cb_confirm_dialog_yes, NULL, data, NULL);
}

static void
_e_shelf_cb_menu_post(void *data, E_Menu *m)
{
   E_Shelf *es;
   
   es = data;
   if (!es->menu) return;
   e_object_del(E_OBJECT(es->menu));
   es->menu = NULL;
}

static void
_e_shelf_cb_mouse_down(void *data, Evas *evas, Evas_Object *obj, void *event_info)
{
   Evas_Event_Mouse_Down *ev;
   E_Shelf *es;
   
   es = data;
   ev = event_info;
   if (ev->button == 3)
     {
        E_Menu *mn;
	int cx, cy, cw, ch;
	
	mn = e_menu_new();
	e_menu_post_deactivate_callback_set(mn, _e_shelf_cb_menu_post, es);
	es->menu = mn;

	_e_shelf_menu_append(es, mn);
	
	e_gadcon_canvas_zone_geometry_get(es->gadcon, &cx, &cy, &cw, &ch);
	e_menu_activate_mouse(mn,
			      e_util_zone_current_get(e_manager_current_get()),
			      cx + ev->output.x, cy + ev->output.y, 1, 1,
			      E_MENU_POP_DIRECTION_DOWN, ev->timestamp);
	evas_event_feed_mouse_up(es->gadcon->evas, ev->button,
				 EVAS_BUTTON_NONE, ev->timestamp, NULL);
     }
}

static void
_e_shelf_cb_mouse_up(void *data, Evas *evas, Evas_Object *obj, void *event_info)
{
   Evas_Event_Mouse_Up *ev;
   E_Shelf *es;
   
   es = data;
   ev = event_info;
}

static void
_e_shelf_cb_mouse_in(void *data, Evas *evas, Evas_Object *obj, void *event_info)
{
   Evas_Event_Mouse_In *ev;
   E_Shelf *es;
   
   es = data;
   ev = event_info;
   edje_object_signal_emit(es->o_base, "e,state,focused", "e");
}

static void
_e_shelf_cb_mouse_out(void *data, Evas *evas, Evas_Object *obj, void *event_info)
{
   Evas_Event_Mouse_Out *ev;
   E_Shelf *es;
   
   es = data;
   ev = event_info;
   edje_object_signal_emit(es->o_base, "e,state,unfocused", "e");
}

static int
_e_shelf_cb_id_sort(void *data1, void *data2)
{
   E_Shelf *es1, *es2;

   es1 = data1;
   es2 = data2;
   return (es1->id) > (es2->id);
}