efl/legacy/elementary/src/lib/elm_list.c

#include <Elementary.h>
#include "elm_priv.h"

typedef struct _Widget_Data Widget_Data;

struct _Widget_Data
{
   Evas_Object *scr, *box;
   Eina_List *items, *selected;
   Elm_List_Mode mode;
   Evas_Coord minw[2], minh[2];
   Eina_Bool on_hold : 1;
   Eina_Bool multi : 1;
   Eina_Bool always_select : 1;
   Eina_Bool longpressed : 1;
   Eina_Bool wasselected : 1;
};

struct _Elm_List_Item
{
   Eina_List *node;
   Evas_Object *obj, *base;
   const char *label;
   Evas_Object *icon, *end;
   void (*func) (void *data, Evas_Object *obj, void *event_info);
   void (*del_cb) (void *data, Evas_Object *obj, void *event_info);
   const void *data;
   Ecore_Timer *long_timer;
   Eina_Bool even : 1;
   Eina_Bool is_even : 1;
   Eina_Bool fixed : 1;
   Eina_Bool selected : 1;
   Eina_Bool hilighted : 1;
   Eina_Bool dummy_icon : 1;
   Eina_Bool dummy_end : 1;
};

static void _del_hook(Evas_Object *obj);
static void _sizing_eval(Evas_Object *obj);
static void _on_focus_hook(void *data, Evas_Object *obj);
static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _sub_del(void *data, Evas_Object *obj, void *event_info);
static void _fix_items(Evas_Object *obj);

static void
_del_hook(Evas_Object *obj)
{
   Widget_Data *wd = elm_widget_data_get(obj);
   Elm_List_Item *it;

   EINA_LIST_FREE(wd->items, it)
     {
	if (it->del_cb) it->del_cb((void *)it->data, it->obj, it);
        if (it->long_timer) ecore_timer_del(it->long_timer);
	eina_stringshare_del(it->label);
	if (!it->fixed)
	  {
	     if (it->icon) evas_object_del(it->icon);
	     if (it->end) evas_object_del(it->end);
	  }
	if (it->base) evas_object_del(it->base);
	free(it);
     }
   eina_list_free(wd->selected);
   free(wd);
}

static void
_sizing_eval(Evas_Object *obj)
{
   Widget_Data *wd = elm_widget_data_get(obj);
   Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;

   evas_object_size_hint_min_get(wd->scr, &minw, &minh);
   evas_object_size_hint_max_get(wd->scr, &maxw, &maxh);
   evas_object_size_hint_min_set(obj, minw, minh);
   evas_object_size_hint_max_set(obj, maxw, maxh);
}

static void
_on_focus_hook(void *data, Evas_Object *obj)
{
   Widget_Data *wd = elm_widget_data_get(obj);
//   if (elm_widget_focus_get(obj))
//     elm_widget_focus_steal(wd->entry);
}

static void
_changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
   Widget_Data *wd = elm_widget_data_get(data);
//   _fix_items(data);
//   _sizing_eval(data);
}

static void
_sub_del(void *data, Evas_Object *obj, void *event_info)
{
   Widget_Data *wd = elm_widget_data_get(obj);
   Evas_Object *sub = event_info;
   const Eina_List *l;
   Elm_List_Item *it;

   EINA_LIST_FOREACH(wd->items, l, it)
     {
	if ((sub == it->icon) || (sub == it->end))
	  {
	     if (it->icon == sub) it->icon = NULL;
	     if (it->end == sub) it->end = NULL;
	     evas_object_event_callback_del_full(sub,
                                            EVAS_CALLBACK_CHANGED_SIZE_HINTS,
                                            _changed_size_hints, obj);
	     _fix_items(obj);
	     _sizing_eval(obj);
	     break;
	  }
     }
}

static void
_item_hilight(Elm_List_Item *it)
{
   Widget_Data *wd = elm_widget_data_get(it->obj);
   const char *selectraise;

   if (it->hilighted) return;
   edje_object_signal_emit(it->base, "elm,state,selected", "elm");
   selectraise = edje_object_data_get(it->base, "selectraise");
   if ((selectraise) && (!strcmp(selectraise, "on")))
     evas_object_raise(it->base);
   it->hilighted = EINA_TRUE;
}

static void
_item_select(Elm_List_Item *it)
{
   Widget_Data *wd = elm_widget_data_get(it->obj);
   const char *selectraise;

   if (it->selected)
     {
	if (wd->always_select) goto call;
	return;
     }
   it->selected = EINA_TRUE;
   wd->selected = eina_list_append(wd->selected, it);
   call:
   if (it->func) it->func((void *)it->data, it->obj, it);
   evas_object_smart_callback_call(it->obj, "selected", it);
}

static void
_item_unselect(Elm_List_Item *it)
{
   Widget_Data *wd = elm_widget_data_get(it->obj);
   const char *stacking, *selectraise;

   if (!it->hilighted) return;
   edje_object_signal_emit(it->base, "elm,state,unselected", "elm");
   stacking = edje_object_data_get(it->base, "stacking");
   selectraise = edje_object_data_get(it->base, "selectraise");
   if ((selectraise) && (!strcmp(selectraise, "on")))
     {
	if ((stacking) && (!strcmp(stacking, "below")))
	  evas_object_lower(it->base);
     }
   it->hilighted = EINA_FALSE;
   if (it->selected)
     {
	it->selected = EINA_FALSE;
	wd->selected = eina_list_remove(wd->selected, it);
	evas_object_smart_callback_call(it->obj, "unselected", it);
     }
}

static void
_mouse_move(void *data, Evas *evas, Evas_Object *obj, void *event_info)
{
   Elm_List_Item *it = data;
   Widget_Data *wd = elm_widget_data_get(it->obj);
   Evas_Event_Mouse_Move *ev = event_info;

   if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD)
     {
	if (!wd->on_hold)
	  {
	     wd->on_hold = EINA_TRUE;
             if (it->long_timer)
               {
                  ecore_timer_del(it->long_timer);
                  it->long_timer = NULL;
               }
	     _item_unselect(it);
	  }
     }
}

static int
_long_press(void *data)
{
   Elm_List_Item *it = data;
   Widget_Data *wd = elm_widget_data_get(it->obj);

   it->long_timer = NULL;
   wd->longpressed = EINA_TRUE;
   evas_object_smart_callback_call(it->obj, "longpressed", it);
   return 0;
}

static void
_mouse_down(void *data, Evas *evas, Evas_Object *obj, void *event_info)
{
   Elm_List_Item *it = data;
   Widget_Data *wd = elm_widget_data_get(it->obj);
   Evas_Event_Mouse_Down *ev = event_info;

   if (ev->button != 1) return;
   if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) wd->on_hold = EINA_TRUE;
   else wd->on_hold = EINA_FALSE;
   wd->wasselected = it->selected;
   _item_hilight(it);
   if (ev->flags & EVAS_BUTTON_DOUBLE_CLICK)
     evas_object_smart_callback_call(it->obj, "clicked", it);
   wd->longpressed = EINA_FALSE;
   if (it->long_timer) ecore_timer_del(it->long_timer);
   it->long_timer = ecore_timer_add(1.0, _long_press, it);
}

static void
_mouse_up(void *data, Evas *evas, Evas_Object *obj, void *event_info)
{
   Elm_List_Item *it = data;
   Widget_Data *wd = elm_widget_data_get(it->obj);
   Evas_Event_Mouse_Up *ev = event_info;

   if (ev->button != 1) return;
   if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) wd->on_hold = EINA_TRUE;
   else wd->on_hold = EINA_FALSE;
   if (it->long_timer)
     {
        ecore_timer_del(it->long_timer);
        it->long_timer = NULL;
     }
   if (wd->on_hold)
     {
	wd->on_hold = EINA_FALSE;
	return;
     }
   if (wd->longpressed)
     {
        wd->longpressed = EINA_FALSE;
        if (!wd->wasselected) _item_unselect(it);
        wd->wasselected = 0;
        return;
     }
   if (wd->multi)
     {
	if (!it->selected)
	  {
	     _item_hilight(it);
	     _item_select(it);
	  }
	else _item_unselect(it);
     }
   else
     {
	if (!it->selected)
	  {
	     while (wd->selected)
	       _item_unselect(wd->selected->data);
	     _item_hilight(it);
	     _item_select(it);
	  }
	else
	  {
	     const Eina_List *l, *l_next;
	     Elm_List_Item *it2;

	     EINA_LIST_FOREACH_SAFE(wd->selected, l, l_next, it2)
	       if (it2 != it) _item_unselect(it2);
	     _item_hilight(it);
	     _item_select(it);
	  }
     }
}

static Elm_List_Item *
_item_new(Evas_Object *obj, const char *label, Evas_Object *icon, Evas_Object *end, void (*func) (void *data, Evas_Object *obj, void *event_info), const void *data)
{
   Widget_Data *wd = elm_widget_data_get(obj);
   Elm_List_Item *it;

   it = calloc(1, sizeof(Elm_List_Item));
   it->obj = obj;
   it->label = eina_stringshare_add(label);
   it->icon = icon;
   it->end = end;
   it->func = func;
   it->data = data;
   it->base = edje_object_add(evas_object_evas_get(obj));
   evas_object_event_callback_add(it->base, EVAS_CALLBACK_MOUSE_DOWN,
				  _mouse_down, it);
   evas_object_event_callback_add(it->base, EVAS_CALLBACK_MOUSE_UP,
				  _mouse_up, it);
   evas_object_event_callback_add(it->base, EVAS_CALLBACK_MOUSE_MOVE,
				  _mouse_move, it);
   evas_object_size_hint_weight_set(it->base, 1.0, 1.0);
   evas_object_size_hint_align_set(it->base, -1.0, -1.0);
   if (it->icon)
     {
	elm_widget_sub_object_add(obj, it->icon);
	evas_object_event_callback_add(it->icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
				       _changed_size_hints, obj);
     }
   if (it->end)
     {
	elm_widget_sub_object_add(obj, it->end);
	evas_object_event_callback_add(it->end, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
				       _changed_size_hints, obj);
     }
   return it;
}

static void
_fix_items(Evas_Object *obj)
{
   Widget_Data *wd = elm_widget_data_get(obj);
   const Eina_List *l;
   Elm_List_Item *it;
   Evas_Coord minw[2] = { 0, 0 }, minh[2] = { 0, 0 };
   Evas_Coord mw, mh;
   int i, redo = 0;
   const char *style = elm_widget_style_get(obj);

   EINA_LIST_FOREACH(wd->items, l, it)
     {
	Evas_Coord mw, mh;
	if (it->icon)
	  {
	     evas_object_size_hint_min_get(it->icon, &mw, &mh);
	     if (mw > minw[0]) minw[0] = mw;
	     if (mh > minh[0]) minh[0] = mh;
	  }
	if (it->end)
	  {
	     evas_object_size_hint_min_get(it->end, &mw, &mh);
	     if (mw > minw[1]) minw[1] = mw;
	     if (mh > minh[1]) minh[1] = mh;
	  }
     }
   if ((minw[0] != wd->minw[0]) || (minw[1] != wd->minw[1]) ||
       (minw[0] != wd->minh[0]) || (minh[1] != wd->minh[1]))
     {
	wd->minw[0] = minw[0];
	wd->minw[1] = minw[1];
	wd->minh[0] = minh[0];
	wd->minh[1] = minh[1];
	redo = 1;
     }
   i = 0;
   EINA_LIST_FOREACH(wd->items, l, it)
     {
	it->even = i & 0x1;
	if ((it->even != it->is_even) || (!it->fixed) || (redo))
	  {
	     const char *stacking;

	     if (wd->mode == ELM_LIST_COMPRESS)
	       {
		  if (it->even)
		    _elm_theme_set(it->base, "list", "item_compress", style);
		  else
		    _elm_theme_set(it->base, "list", "item_compress_odd", style);
	       }
	     else
	       {
		  if (it->even)
		    _elm_theme_set(it->base, "list", "item", style);
		  else
		    _elm_theme_set(it->base, "list", "item_odd", style);
	       }
	     stacking = edje_object_data_get(it->base, "stacking");
	     if (stacking)
	       {
		  if (!strcmp(stacking, "below"))
		    evas_object_lower(it->base);
		  else if (!strcmp(stacking, "above"))
		    evas_object_raise(it->base);
	       }
	     edje_object_part_text_set(it->base, "elm.text", it->label);
	     if ((!it->icon) && (minh[0] > 0))
	       {
		  it->icon = evas_object_rectangle_add(evas_object_evas_get(it->base));
		  evas_object_color_set(it->icon, 0, 0, 0, 0);
		  it->dummy_icon = EINA_TRUE;
	       }
	     if ((!it->end) && (minh[1] > 0))
	       {
		  it->end = evas_object_rectangle_add(evas_object_evas_get(it->base));
		  evas_object_color_set(it->end, 0, 0, 0, 0);
		  it->dummy_end = EINA_TRUE;
	       }
	     if (it->icon)
	       {
		  evas_object_size_hint_min_set(it->icon, minw[0], minh[0]);
		  evas_object_size_hint_max_set(it->icon, 99999, 99999);
		  edje_object_part_swallow(it->base, "elm.swallow.icon", it->icon);
	       }
	     if (it->end)
	       {
		  evas_object_size_hint_min_set(it->end, minw[1], minh[1]);
		  evas_object_size_hint_max_set(it->end, 99999, 99999);
		  edje_object_part_swallow(it->base, "elm.swallow.end", it->end);
	       }
	     if (!it->fixed)
	       {
		  edje_object_message_signal_process(it->base);
		  mw = mh = -1;
		  elm_coords_finger_size_adjust(1, &mw, 1, &mh);
		  edje_object_size_min_restricted_calc(it->base, &mw, &mh, mw, mh);
		  elm_coords_finger_size_adjust(1, &mw, 1, &mh);
		  evas_object_size_hint_min_set(it->base, mw, mh);
		  evas_object_show(it->base);
	       }
	     if ((it->selected) || (it->hilighted))
	       {
		  const char *selectraise;

		  edje_object_signal_emit(it->base, "elm,state,selected", "elm");
		  selectraise = edje_object_data_get(it->base, "selectraise");
		  if ((selectraise) && (!strcmp(selectraise, "on")))
		    evas_object_raise(it->base);
		  stacking = edje_object_data_get(it->base, "stacking");
	       }
	     it->fixed = EINA_TRUE;
	     it->is_even = it->even;
	  }
	i++;
     }
   mw = 0; mh = 0;
   evas_object_size_hint_min_get(wd->box, &mw, &mh);
   if (wd->mode == ELM_LIST_LIMIT)
     elm_scroller_content_min_limit(wd->scr, 1, 0);
   else
     elm_scroller_content_min_limit(wd->scr, 0, 0);
   _sizing_eval(obj);
}

static void
_hold_on(void *data, Evas_Object *obj, void *event_info)
{
   Widget_Data *wd = elm_widget_data_get(obj);

   if (!wd) return;
   elm_widget_scroll_hold_push(wd->scr);
}

static void
_hold_off(void *data, Evas_Object *obj, void *event_info)
{
   Widget_Data *wd = elm_widget_data_get(obj);

   if (!wd) return;
   elm_widget_scroll_hold_pop(wd->scr);
}

static void
_freeze_on(void *data, Evas_Object *obj, void *event_info)
{
   Widget_Data *wd = elm_widget_data_get(obj);

   if (!wd) return;
   elm_widget_scroll_hold_push(wd->scr);
}

static void
_freeze_off(void *data, Evas_Object *obj, void *event_info)
{
   Widget_Data *wd = elm_widget_data_get(obj);

   if (!wd) return;
   elm_widget_scroll_hold_pop(wd->scr);
}

EAPI Evas_Object *
elm_list_add(Evas_Object *parent)
{
   Evas_Object *obj;
   Evas *e;
   Widget_Data *wd;

   wd = ELM_NEW(Widget_Data);
   e = evas_object_evas_get(parent);
   obj = elm_widget_add(e);
   elm_widget_type_set(obj, "list");
   elm_widget_sub_object_add(parent, obj);
   elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
   elm_widget_data_set(obj, wd);
   elm_widget_del_hook_set(obj, _del_hook);
   elm_widget_can_focus_set(obj, 1);

   wd->scr = elm_scroller_add(parent);
   elm_widget_resize_object_set(obj, wd->scr);

   elm_scroller_bounce_set(wd->scr, 0, 1);

   wd->box = elm_box_add(parent);
   elm_box_homogenous_set(wd->box, 1);
   evas_object_size_hint_weight_set(wd->box, 1.0, 0.0);
   evas_object_size_hint_align_set(wd->box, -1.0, 0.0);
   elm_scroller_content_set(wd->scr, wd->box);
   evas_object_show(wd->box);

   wd->mode = ELM_LIST_SCROLL;

   evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
   evas_object_smart_callback_add(obj, "scroll-hold-on", _hold_on, obj);
   evas_object_smart_callback_add(obj, "scroll-hold-off", _hold_off, obj);
   evas_object_smart_callback_add(obj, "scroll-freeze-on", _freeze_on, obj);
   evas_object_smart_callback_add(obj, "scroll-freeze-off", _freeze_off, obj);

   _sizing_eval(obj);
   return obj;
}

EAPI Elm_List_Item *
elm_list_item_append(Evas_Object *obj, const char *label, Evas_Object *icon, Evas_Object *end, void (*func) (void *data, Evas_Object *obj, void *event_info), const void *data)
{
   Widget_Data *wd = elm_widget_data_get(obj);
   Elm_List_Item *it = _item_new(obj, label, icon, end, func, data);

   wd->items = eina_list_append(wd->items, it);
   it->node = eina_list_last(wd->items);
   elm_box_pack_end(wd->box, it->base);
   return it;
}

EAPI Elm_List_Item *
elm_list_item_prepend(Evas_Object *obj, const char *label, Evas_Object *icon, Evas_Object *end, void (*func) (void *data, Evas_Object *obj, void *event_info), const void *data)
{
   Widget_Data *wd = elm_widget_data_get(obj);
   Elm_List_Item *it = _item_new(obj, label, icon, end, func, data);

   wd->items = eina_list_prepend(wd->items, it);
   it->node = wd->items;
   elm_box_pack_start(wd->box, it->base);
   return it;
}

EAPI Elm_List_Item *
elm_list_item_insert_before(Evas_Object *obj, Elm_List_Item *before, const char *label, Evas_Object *icon, Evas_Object *end, void (*func) (void *data, Evas_Object *obj, void *event_info), const void *data)
{
   Widget_Data *wd;
   Elm_List_Item *it;

   if ((!before) || (!before->node)) return NULL;

   wd = elm_widget_data_get(obj);
   it = _item_new(obj, label, icon, end, func, data);
   wd->items = eina_list_prepend_relative_list(wd->items, it, before->node);
   it->node = before->node->prev;
   elm_box_pack_before(wd->box, it->base, before->base);
   return it;
}

EAPI Elm_List_Item *
elm_list_item_insert_after(Evas_Object *obj, Elm_List_Item *after, const char *label, Evas_Object *icon, Evas_Object *end, void (*func) (void *data, Evas_Object *obj, void *event_info), const void *data)
{
   Widget_Data *wd;
   Elm_List_Item *it;

   if ((!after) || (!after->node)) return NULL;

   wd = elm_widget_data_get(obj);
   it = _item_new(obj, label, icon, end, func, data);
   wd->items = eina_list_append_relative_list(wd->items, it, after->node);
   it->node = after->node->next;
   elm_box_pack_after(wd->box, it->base, after->base);
   return it;
}

EAPI void
elm_list_clear(Evas_Object *obj)
{
   Widget_Data *wd = elm_widget_data_get(obj);

   while (wd->items)
     elm_list_item_del(wd->items->data);
}

EAPI void
elm_list_go(Evas_Object *obj)
{
   Widget_Data *wd = elm_widget_data_get(obj);

   _fix_items(obj);
}

EAPI void
elm_list_multi_select_set(Evas_Object *obj, Eina_Bool multi)
{
   Widget_Data *wd = elm_widget_data_get(obj);

   wd->multi = multi;
}

EAPI void
elm_list_horizontal_mode_set(Evas_Object *obj, Elm_List_Mode mode)
{
   Widget_Data *wd = elm_widget_data_get(obj);

   if (wd->mode == mode) return;
   wd->mode = mode;
   if (wd->mode == ELM_LIST_LIMIT)
     elm_scroller_content_min_limit(wd->scr, 1, 0);
   else
     elm_scroller_content_min_limit(wd->scr, 0, 0);
}

EAPI void
elm_list_always_select_mode_set(Evas_Object *obj, Eina_Bool always_select)
{
   Widget_Data *wd = elm_widget_data_get(obj);

   wd->always_select = always_select;
}

EAPI const Eina_List *
elm_list_items_get(const Evas_Object *obj)
{
   Widget_Data *wd = elm_widget_data_get(obj);

   return wd->items;
}

EAPI Elm_List_Item *
elm_list_selected_item_get(const Evas_Object *obj)
{
   Widget_Data *wd = elm_widget_data_get(obj);

   if (wd->selected) return wd->selected->data;
   return NULL;
}

EAPI const Eina_List *
elm_list_selected_items_get(const Evas_Object *obj)
{
   Widget_Data *wd = elm_widget_data_get(obj);

   return wd->selected;
}

EAPI void
elm_list_item_selected_set(Elm_List_Item *it, Eina_Bool selected)
{
   Widget_Data *wd = elm_widget_data_get(it->obj);

   selected = !!selected;
   if (it->selected == selected) return;

   if (selected)
     {
	if (!wd->multi)
	  {
	     while (wd->selected)
	       _item_unselect(wd->selected->data);
	  }
	_item_hilight(it);
	_item_select(it);
     }
   else
     _item_unselect(it);
}

EAPI void
elm_list_item_show(Elm_List_Item *it)
{
   Widget_Data *wd = elm_widget_data_get(it->obj);
   Evas_Coord bx, by, bw, bh;
   Evas_Coord x, y, w, h;

   evas_object_geometry_get(wd->box, &bx, &by, &bw, &bh);
   evas_object_geometry_get(it->base, &x, &y, &w, &h);
   x -= bx;
   y -= by;
   elm_scroller_region_show(wd->scr, x, y, w, h);
}

EAPI void
elm_list_item_del(Elm_List_Item *it)
{
   Widget_Data *wd = elm_widget_data_get(it->obj);

   if (it->del_cb) it->del_cb((void *)it->data, it->obj, it);
   if (it->selected) _item_unselect(it);
   wd->items = eina_list_remove_list(wd->items, it->node);
   eina_stringshare_del(it->label);
   if (it->long_timer) ecore_timer_del(it->long_timer);
   if (it->icon) evas_object_del(it->icon);
   if (it->end) evas_object_del(it->end);
   if (it->base) evas_object_del(it->base);
   free(it);
}

/**
 * Set the function called when a list item is freed.
 *
 * @param it The item to set the callback on
 * @param func The function called
 *
 * @ingroup Hoversel
 */
EAPI void
elm_list_item_del_cb_set(Elm_List_Item *it, void (*func)(void *data, Evas_Object *obj, void *event_info))
{
   it->del_cb = func;
}

EAPI void *
elm_list_item_data_get(const Elm_List_Item *it)
{
   return (void *)it->data;
}

EAPI Evas_Object *
elm_list_item_icon_get(const Elm_List_Item *it)
{
   if (it->dummy_icon) return NULL;
   return it->icon;
}

EAPI void
elm_list_item_icon_set(Elm_List_Item *it, Evas_Object *icon)
{
   if (it->icon == icon) return;
   if (it->dummy_icon && !icon) return;
   if (it->dummy_icon) evas_object_del(it->icon);
   if (!icon)
     {
	icon = evas_object_rectangle_add(evas_object_evas_get(it->obj));
	evas_object_color_set(icon, 0, 0, 0, 0);
	it->dummy_icon = EINA_TRUE;
     }
   it->icon = icon;
   if (it->base)
     edje_object_part_swallow(it->base, "elm.swallow.icon", icon);
}

EAPI Evas_Object *
elm_list_item_end_get(const Elm_List_Item *it)
{
   if (it->dummy_end) return NULL;
   return it->end;
}

EAPI void
elm_list_item_end_set(Elm_List_Item *it, Evas_Object *end)
{
   if (it->end == end) return;
   if (it->dummy_end && !end) return;
   if (it->dummy_end) evas_object_del(it->end);
   if (!end)
     {
	end = evas_object_rectangle_add(evas_object_evas_get(it->obj));
	evas_object_color_set(end, 0, 0, 0, 0);
	it->dummy_end = EINA_TRUE;
     }
   it->end = end;
   if (it->base)
     edje_object_part_swallow(it->base, "elm.swallow.end", end);
}

EAPI Evas_Object *
elm_list_item_base_get(const Elm_List_Item *it)
{
   return it->base;
}

EAPI const char *
elm_list_item_label_get(const Elm_List_Item *it)
{
   return it->label;
}

EAPI void
elm_list_item_label_set(Elm_List_Item *it, const char *text)
{
   if (!eina_stringshare_replace(&it->label, text)) return;
   if (it->base)
     edje_object_part_text_set(it->base, "elm.text", it->label);
}

EAPI Elm_List_Item *
elm_list_item_prev(const Elm_List_Item *it)
{
   if (it->node->prev)
     return it->node->prev->data;
   else
     return NULL;
}

EAPI Elm_List_Item *
elm_list_item_next(const Elm_List_Item *it)
{
   if (it->node->next)
     return it->node->next->data;
   else
     return NULL;
}