1 files changed, 1401 insertions, 0 deletions

diff --git a/libraries/elementary/src/lib/elm_diskselector.c b/libraries/elementary/src/lib/elm_diskselector.c
new file mode 100644
index 0000000..8334d37
--- /dev/null
+++ b/libraries/elementary/src/lib/elm_diskselector.c
@@ -0,0 +1,1401 @@
+#include <Elementary.h>
+#include "elm_priv.h"
+#include "els_scroller.h"
+
+#ifndef MAX
+# define MAX(a, b) (((a) > (b)) ? (a) : (b))
+#endif
+
+#ifndef CEIL
+#define CEIL(a) (((a) % 2 != 0) ? ((a) / 2 + 1) : ((a) / 2))
+#endif
+
+#define DISPLAY_ITEM_NUM_MIN 3
+
+typedef struct _Widget_Data Widget_Data;
+typedef struct _Elm_Diskselector_Item Elm_Diskselector_Item;
+
+struct _Widget_Data
+{
+   Evas_Object *self;
+   Evas_Object *scroller;
+   Evas_Object *main_box;
+   Evas_Object *left_blank;
+   Evas_Object *right_blank;
+   Elm_Diskselector_Item *selected_item;
+   Elm_Diskselector_Item *first;
+   Elm_Diskselector_Item *second;
+   Elm_Diskselector_Item *s_last;
+   Elm_Diskselector_Item *last;
+   Eina_List *items;
+   Eina_List *r_items;
+   Eina_List *over_items;
+   Eina_List *under_items;
+   int item_count, len_threshold, len_side, display_item_num;
+   Ecore_Idle_Enterer *idler;
+   Ecore_Idle_Enterer *check_idler;
+   Evas_Coord minw, minh;
+   Eina_Bool init:1;
+   Eina_Bool round:1;
+   Eina_Bool display_item_num_by_api:1;
+};
+
+struct _Elm_Diskselector_Item
+{
+   ELM_WIDGET_ITEM;
+   Eina_List *node;
+   Evas_Object *icon;
+   const char *label;
+   Evas_Smart_Cb func;
+};
+
+static const char *widtype = NULL;
+
+static Eina_Bool _move_scroller(void *data);
+static void _del_hook(Evas_Object * obj);
+static void _del_pre_hook(Evas_Object * obj);
+static void _sizing_eval(Evas_Object * obj);
+static void _theme_hook(Evas_Object * obj);
+static void _on_focus_hook(void *data, Evas_Object *obj);
+static Eina_Bool _event_hook(Evas_Object *obj, Evas_Object *src, Evas_Callback_Type type, void *event_info);
+static void _sub_del(void *data, Evas_Object * obj, void *event_info);
+static void _round_items_del(Widget_Data *wd);
+static void _scroller_move_cb(void *data, Evas_Object *obj, void *event_info);
+static void _item_click_cb(void *data, Evas_Object *obj __UNUSED__,
+                           const char *emission __UNUSED__,
+                           const char *source __UNUSED__);
+static void _selected_item_indicate(Elm_Diskselector_Item *it);
+static void _item_text_set_hook(Elm_Object_Item *it,
+                                const char *part,
+                                const char *label);
+static const char * _item_text_get_hook(const Elm_Object_Item *it,
+                                        const char *part);
+static void _item_content_set_hook(Elm_Object_Item *it,
+                                   const char *part,
+                                   Evas_Object *content);
+static Evas_Object * _item_content_get_hook(const Elm_Object_Item *it,
+                                            const char *part);
+
+static const char SIG_SELECTED[] = "selected";
+static const char SIG_SCROLL_ANIM_START[] = "scroll,anim,start";
+static const char SIG_SCROLL_ANIM_STOP[] = "scroll,anim,stop";
+static const char SIG_SCROLL_DRAG_START[] = "scroll,drag,start";
+static const char SIG_SCROLL_DRAG_STOP[] = "scroll,drag,stop";
+
+static const Evas_Smart_Cb_Description _signals[] = {
+       {SIG_SELECTED, ""},
+       {SIG_SCROLL_ANIM_START, ""},
+       {SIG_SCROLL_ANIM_STOP, ""},
+       {SIG_SCROLL_DRAG_START, ""},
+       {SIG_SCROLL_DRAG_STOP, ""},
+       {NULL, NULL}
+};
+
+static void
+_diskselector_object_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
+{
+   Widget_Data *wd;
+   Evas_Coord w, h;
+
+   wd = elm_widget_data_get(data);
+   if (!wd) return;
+
+   if ((wd->minw == -1) && (wd->minh == -1))
+      elm_coords_finger_size_adjust(6, &wd->minw, 1, &wd->minh);
+   edje_object_size_min_restricted_calc
+      (elm_smart_scroller_edje_object_get
+          (wd->scroller), &wd->minw, &wd->minh, wd->minw, wd->minh);
+   evas_object_size_hint_min_set(obj, wd->minw, wd->minh);
+   evas_object_size_hint_max_set(obj, -1, -1);
+
+   evas_object_geometry_get(wd->scroller, NULL, NULL, &w, &h);
+   if (wd->round)
+     evas_object_resize(wd->main_box, (w / wd->display_item_num) * (wd->item_count + (CEIL(wd->display_item_num) * 2)), h);
+   else
+     evas_object_resize(wd->main_box, (w / wd->display_item_num) * (wd->item_count + CEIL(wd->display_item_num)), h);
+
+   elm_smart_scroller_paging_set(wd->scroller, 0, 0,
+                                 (int)(w / wd->display_item_num), 0);
+
+   if (!wd->idler)
+     wd->idler = ecore_idle_enterer_before_add(_move_scroller, data);
+}
+
+static void
+_item_del(Elm_Diskselector_Item *item)
+{
+   if (!item) return;
+   eina_stringshare_del(item->label);
+   if (item->icon)
+     evas_object_del(item->icon);
+}
+
+static int
+_count_letter(const char *str)
+{
+   int pos = 0;
+   int code = 0, chnum;
+
+   for (chnum = 0; ; chnum++)
+     {
+        pos = evas_string_char_next_get(str, pos, &code);
+        if (code == 0) break;
+     }
+   return chnum;
+}
+
+static int
+_check_letter(const char *str, int length)
+{
+   int pos = 0;
+   int code = 0, chnum;
+
+   for (chnum = 0; ; chnum++)
+     {
+        if (chnum == length) break;
+        pos = evas_string_char_next_get(str, pos, &code);
+        if (code == 0) break;
+     }
+   return pos;
+}
+
+static Eina_Bool
+_check_string(void *data)
+{
+   int mid, steps, length, diff;
+   Elm_Diskselector_Item *it;
+   Eina_List *list, *l;
+   Evas_Coord ox, ow;
+   char buf[1024];
+   Widget_Data *wd = data;
+
+   evas_object_geometry_get(wd->scroller, &ox, NULL, &ow, NULL);
+   if (ow <= 0)
+     return EINA_FALSE;
+   if (!wd->init)
+     return EINA_FALSE;
+   if (!wd->round)
+     list = wd->items;
+   else
+     list = wd->r_items;
+
+   EINA_LIST_FOREACH(list, l, it)
+     {
+        Evas_Coord x, w;
+        int len;
+        evas_object_geometry_get(VIEW(it), &x, NULL, &w, NULL);
+        /* item not visible */
+        if ((x + w <= ox) || (x >= ox + ow))
+          continue;
+
+        len = _count_letter(it->label);
+//        // FIXME: len should be # of ut8f letters. ie count using utf8 string walk, not stringshare len
+//        len = eina_stringshare_strlen(it->label);
+
+        if (x <= ox + 5)
+          edje_object_signal_emit(VIEW(it), "elm,state,left_side",
+                                  "elm");
+        else if (x + w >= ox + ow - 5)
+          edje_object_signal_emit(VIEW(it), "elm,state,right_side",
+                                  "elm");
+        else
+          {
+             if ((wd->len_threshold) && (len > wd->len_threshold))
+               edje_object_signal_emit(VIEW(it), "elm,state,center_small",
+                                       "elm");
+             else
+               edje_object_signal_emit(VIEW(it), "elm,state,center",
+                                       "elm");
+          }
+
+        // if len is les that the limit len, skip anyway
+        if (len <= wd->len_side)
+          continue;
+
+        steps = len - wd->len_side + 1;
+        mid = x + w / 2;
+        if (mid <= ox + ow / 2)
+          diff = (ox + ow / 2) - mid;
+        else
+          diff = mid - (ox + ow / 2);
+
+        length = len - (int)(diff * steps / (ow / 3));
+        length = MAX(length, wd->len_side);
+        // limit string len to "length" ut8f chars
+        length = _check_letter(it->label, length);
+        // cut it off at byte mark returned form _check_letter
+        strncpy(buf, it->label, length);
+        buf[length] = '\0';
+        edje_object_part_text_escaped_set(VIEW(it), "elm.text", buf);
+     }
+
+   if (wd->check_idler)
+     ecore_idle_enterer_del(wd->check_idler);
+   wd->check_idler = NULL;
+   return EINA_FALSE;
+}
+
+static Eina_Bool
+_item_del_pre_hook(Elm_Object_Item *it)
+{
+   Elm_Diskselector_Item *item, *item2, *dit;
+   Eina_List *l;
+   int i = 0;
+   Widget_Data *wd;
+   item = (Elm_Diskselector_Item *)it;
+   wd = elm_widget_data_get(WIDGET(item));
+   if (!wd) return EINA_FALSE;
+
+   elm_box_unpack(wd->main_box, VIEW(item));
+
+   if (wd->round)
+     wd->r_items = eina_list_remove(wd->r_items, item);
+
+   wd->items = eina_list_remove(wd->items, item);
+
+   if (wd->selected_item == item)
+     {
+        dit = (Elm_Diskselector_Item *) eina_list_nth(wd->items, 0);
+        if (dit != item)
+          wd->selected_item = dit;
+        else
+          wd->selected_item = eina_list_nth(wd->items, 1);
+
+        _selected_item_indicate(wd->selected_item);
+     }
+
+   _item_del(item);
+   wd->item_count -= 1;
+
+   if (wd->round)
+     {
+        if (!wd->item_count)
+          {
+             evas_object_hide(wd->VIEW(first));
+             evas_object_hide(wd->VIEW(second));
+             evas_object_hide(wd->VIEW(last));
+             evas_object_hide(wd->VIEW(s_last));
+
+             EINA_LIST_FOREACH(wd->under_items, l, item2)
+               evas_object_hide(VIEW(item2));
+
+             EINA_LIST_FOREACH(wd->over_items, l, item2)
+               evas_object_hide(VIEW(item2));
+          }
+        else
+          {
+             dit = eina_list_nth(wd->items, 0);
+             if (dit)
+               {
+                  eina_stringshare_replace(&wd->first->label, dit->label);
+                  edje_object_part_text_escaped_set(wd->VIEW(first), "elm.text",
+                                            wd->first->label);
+               }
+             dit = eina_list_nth(wd->items, 1);
+             if (dit)
+               {
+                  eina_stringshare_replace(&wd->second->label, dit->label);
+                  edje_object_part_text_escaped_set(wd->VIEW(second), "elm.text",
+                                            wd->second->label);
+               }
+             // if more than 3 itmes should be displayed
+             for (i = 2; i < CEIL(wd->display_item_num); i++)
+               {
+                  dit = eina_list_nth(wd->items, i);
+                  item2 = eina_list_nth(wd->over_items, i - 2);
+                  eina_stringshare_replace(&item2->label, dit->label);
+                  edje_object_part_text_escaped_set(VIEW(item2), "elm.text", item2->label);
+               }
+
+             dit = eina_list_nth(wd->items, eina_list_count(wd->items) - 1);
+             if (dit)
+               {
+                  eina_stringshare_replace(&wd->last->label, dit->label);
+                  edje_object_part_text_escaped_set(wd->VIEW(last), "elm.text",
+                                            wd->last->label);
+               }
+             dit = eina_list_nth(wd->items, eina_list_count(wd->items) - 2);
+             if (dit)
+               {
+                  eina_stringshare_replace(&wd->s_last->label, dit->label);
+                  edje_object_part_text_escaped_set(wd->VIEW(s_last), "elm.text",
+                                            wd->s_last->label);
+               }
+             // if more than 3 itmes should be displayed
+             for (i = 3; i <= CEIL(wd->display_item_num); i++)
+               {
+                  dit = eina_list_nth(wd->items, wd->item_count - i);
+                  item2 = eina_list_nth(wd->under_items, i - 3);
+                  eina_stringshare_replace(&item2->label, dit->label);
+                  edje_object_part_text_escaped_set(VIEW(item2), "elm.text",
+                                            item2->label);
+               }
+          }
+     }
+   wd->check_idler = ecore_idle_enterer_before_add(_check_string, wd);
+   _sizing_eval(wd->self);
+
+   return EINA_TRUE;
+}
+
+static Elm_Diskselector_Item *
+_item_new(Evas_Object *obj, Evas_Object *icon, const char *label, Evas_Smart_Cb func, const void *data)
+{
+   Elm_Diskselector_Item *it;
+   const char *style = elm_widget_style_get(obj);
+
+   it = elm_widget_item_new(obj, Elm_Diskselector_Item);
+   if (!it) return NULL;
+
+   elm_widget_item_del_pre_hook_set(it, _item_del_pre_hook);
+   elm_widget_item_text_set_hook_set(it, _item_text_set_hook);
+   elm_widget_item_text_get_hook_set(it, _item_text_get_hook);
+   elm_widget_item_content_set_hook_set(it, _item_content_set_hook);
+   elm_widget_item_content_get_hook_set(it, _item_content_get_hook);
+
+   it->label = eina_stringshare_add(label);
+   it->icon = icon;
+   it->func = func;
+   it->base.data = data;
+   VIEW(it) = edje_object_add(evas_object_evas_get(obj));
+   _elm_theme_object_set(obj, VIEW(it), "diskselector", "item", style);
+   evas_object_size_hint_weight_set(VIEW(it), EVAS_HINT_EXPAND,
+                                    EVAS_HINT_EXPAND);
+   evas_object_size_hint_align_set(VIEW(it), EVAS_HINT_FILL,
+                                   EVAS_HINT_FILL);
+   evas_object_show(VIEW(it));
+
+   if (it->label)
+     {
+        edje_object_part_text_escaped_set(VIEW(it), "elm.text", it->label);
+        edje_object_signal_callback_add(VIEW(it), "elm,action,click", "", _item_click_cb, it);
+     }
+   if (it->icon)
+     {
+        evas_object_size_hint_min_set(it->icon, 24, 24);
+        evas_object_size_hint_max_set(it->icon, 40, 40);
+        edje_object_part_swallow(VIEW(it), "elm.swallow.icon", it->icon);
+        evas_object_show(it->icon);
+        elm_widget_sub_object_add(obj, it->icon);
+     }
+   return it;
+}
+
+static void
+_theme_data_get(Widget_Data *wd)
+{
+   const char* str;
+   str = edje_object_data_get(wd->right_blank, "len_threshold");
+   if (str) wd->len_threshold = MAX(0, atoi(str));
+   else wd->len_threshold = 0;
+
+   if (!wd->display_item_num_by_api)
+     {
+        str = edje_object_data_get(wd->right_blank, "display_item_num");
+        if (str) wd->display_item_num = MAX(DISPLAY_ITEM_NUM_MIN, atoi(str));
+        else wd->display_item_num = DISPLAY_ITEM_NUM_MIN;
+     }
+
+   str = edje_object_data_get(wd->right_blank, "min_width");
+   if (str) wd->minw = MAX(-1, atoi(str));
+   else wd->minw = -1;
+
+   str = edje_object_data_get(wd->right_blank, "min_height");
+   if (str) wd->minh = MAX(-1, atoi(str));
+   else wd->minh = -1;
+}
+
+static void
+_del_hook(Evas_Object * obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   free(wd);
+}
+
+static void
+_del_pre_hook(Evas_Object * obj)
+{
+   Elm_Diskselector_Item *it;
+   Eina_List *l;
+
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   if (wd->left_blank)
+     evas_object_del(wd->left_blank);
+   if (wd->right_blank)
+     evas_object_del(wd->right_blank);
+   if (wd->last)
+     {
+        eina_stringshare_del(wd->last->label);
+        evas_object_del(wd->VIEW(last));
+        free(wd->last);
+     }
+   if (wd->s_last)
+     {
+        eina_stringshare_del(wd->s_last->label);
+        evas_object_del(wd->VIEW(s_last));
+        free(wd->s_last);
+     }
+   if (wd->second)
+     {
+        eina_stringshare_del(wd->second->label);
+        evas_object_del(wd->VIEW(second));
+        free(wd->second);
+     }
+   if (wd->first)
+     {
+        eina_stringshare_del(wd->first->label);
+        evas_object_del(wd->VIEW(first));
+        free(wd->first);
+     }
+
+   EINA_LIST_FOREACH(wd->under_items, l, it)
+     {
+        if (it)
+          {
+             eina_stringshare_del(it->label);
+             evas_object_del(VIEW(it));
+             free(it);
+          }
+     }
+
+   EINA_LIST_FOREACH(wd->over_items, l, it)
+   {
+     if (it)
+        {
+           eina_stringshare_del(it->label);
+           evas_object_del(VIEW(it));
+           free(it);
+        }
+   }
+
+   EINA_LIST_FREE(wd->items, it)
+     {
+        _item_del(it);
+        elm_widget_item_free(it);
+     }
+   eina_list_free(wd->r_items);
+}
+
+static void
+_sizing_eval(Evas_Object * obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   _diskselector_object_resize(obj, NULL, obj, NULL);
+}
+
+static void
+_theme_hook(Evas_Object * obj)
+{
+   Eina_List *l;
+   Elm_Diskselector_Item *it;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   if (wd->scroller)
+     elm_smart_scroller_object_theme_set(obj, wd->scroller, "diskselector",
+                                         "base", elm_widget_style_get(obj));
+   if (wd->round)
+     {
+        EINA_LIST_FOREACH(wd->r_items, l, it)
+          {
+             _elm_theme_object_set(obj, VIEW(it), "diskselector", "item",
+                                   elm_widget_style_get(obj));
+             edje_object_part_text_escaped_set(VIEW(it), "elm.text", it->label);
+          }
+     }
+   else
+     {
+        EINA_LIST_FOREACH(wd->items, l, it)
+          {
+             _elm_theme_object_set(obj, VIEW(it), "diskselector", "item",
+                                   elm_widget_style_get(obj));
+             edje_object_part_text_escaped_set(VIEW(it), "elm.text", it->label);
+          }
+     }
+   _elm_theme_object_set(obj, wd->right_blank, "diskselector", "item",
+                                   elm_widget_style_get(obj));
+   _theme_data_get(wd);
+   _sizing_eval(obj);
+}
+
+static void
+_sub_del(void *data __UNUSED__, Evas_Object * obj, void *event_info)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   Evas_Object *sub = event_info;
+   Elm_Diskselector_Item *it;
+   const Eina_List *l;
+
+   if (!wd) return;
+   if (!sub) abort();
+   if (sub == wd->scroller)
+     wd->scroller = NULL;
+   else
+     {
+        EINA_LIST_FOREACH(wd->items, l, it)
+          {
+             if (sub == it->icon)
+               {
+                  it->icon = NULL;
+                  _sizing_eval(obj);
+                  break;
+               }
+          }
+     }
+}
+
+static void
+_select_item(Elm_Diskselector_Item *it)
+{
+   if (!it) return;
+   Widget_Data *wd = elm_widget_data_get(WIDGET(it));
+   wd->selected_item = it;
+   _selected_item_indicate(wd->selected_item);
+   if (it->func) it->func((void *)it->base.data, WIDGET(it), it);
+   evas_object_smart_callback_call(WIDGET(it), SIG_SELECTED, it);
+}
+
+static void
+_on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd)
+     return;
+
+   if (elm_widget_focus_get(obj))
+     {
+        edje_object_signal_emit(wd->self, "elm,action,focus", "elm");
+        evas_object_focus_set(wd->self, EINA_TRUE);
+     }
+   else
+     {
+        edje_object_signal_emit(wd->self, "elm,action,unfocus", "elm");
+        evas_object_focus_set(wd->self, EINA_FALSE);
+     }
+}
+
+static Eina_Bool
+_event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type type, void *event_info)
+{
+   if (type != EVAS_CALLBACK_KEY_DOWN) return EINA_FALSE;
+   Evas_Event_Key_Down *ev = event_info;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return EINA_FALSE;
+   if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE;
+   if (elm_widget_disabled_get(obj)) return EINA_FALSE;
+
+   Elm_Diskselector_Item *it = NULL;
+   Eina_List *l;
+
+   if (!wd->selected_item) {
+        ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
+        return EINA_TRUE;
+   }
+
+   if ((!strcmp(ev->keyname, "Left")) ||
+       ((!strcmp(ev->keyname, "KP_Left")) && (!ev->string)) ||
+       (!strcmp(ev->keyname, "Up"))  ||
+       ((!strcmp(ev->keyname, "KP_Up")) && (!ev->string)))
+     {
+        l = wd->selected_item->node->prev;
+        if ((!l) && (wd->round))
+          l = eina_list_last(wd->items);
+     }
+   else if ((!strcmp(ev->keyname, "Right")) ||
+            ((!strcmp(ev->keyname, "KP_Right")) && (!ev->string)) ||
+            (!strcmp(ev->keyname, "Down")) ||
+            ((!strcmp(ev->keyname, "KP_Down")) && (!ev->string)))
+     {
+        l = wd->selected_item->node->next;
+        if ((!l) && (wd->round))
+          l = wd->items;
+     }
+   else if ((!strcmp(ev->keyname, "Home")) ||
+            ((!strcmp(ev->keyname, "KP_Home")) && (!ev->string)))
+     l = wd->items;
+   else if ((!strcmp(ev->keyname, "End")) ||
+            ((!strcmp(ev->keyname, "KP_End")) && (!ev->string)))
+     l = eina_list_last(wd->items);
+   else return EINA_FALSE;
+
+   if (l)
+     it = eina_list_data_get(l);
+
+   if (it)
+     {
+        wd->selected_item = it;
+        if (!wd->idler)
+          wd->idler = ecore_idle_enterer_before_add(_move_scroller, obj);
+     }
+
+   ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
+   return EINA_TRUE;
+}
+
+static void
+_selected_item_indicate(Elm_Diskselector_Item *it)
+{
+   Elm_Diskselector_Item *item;
+   Eina_List *l;
+   Widget_Data *wd;
+   wd = elm_widget_data_get(WIDGET(it));
+
+   if (!wd) return;
+   if (!it->label) return;
+
+   EINA_LIST_FOREACH(wd->r_items, l, item)
+     {
+        if (item->label && !strcmp(item->label, it->label))
+           edje_object_signal_emit(VIEW(item), "elm,state,selected", "elm");
+        else
+           edje_object_signal_emit(VIEW(item), "elm,state,default", "elm");
+     }
+}
+
+static void
+_item_click_cb(void *data, Evas_Object *obj __UNUSED__,
+               const char *emission __UNUSED__, const char *source __UNUSED__)
+{
+   Elm_Diskselector_Item *it = data;
+
+   if (!it) return;
+
+   Widget_Data *wd;
+   wd = elm_widget_data_get(WIDGET(it));
+
+   if (!wd) return;
+
+   if (wd->selected_item != it)
+     {
+        wd->selected_item = it;
+        _selected_item_indicate(wd->selected_item);
+     }
+
+   if (it->func) it->func((void *)it->base.data, WIDGET(it), it);
+}
+
+static void
+_scroller_move_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
+{
+   Evas_Coord x, y, w, h, bw;
+   Widget_Data *wd = data;
+
+   _check_string(wd);
+   elm_smart_scroller_child_pos_get(obj, &x, &y);
+   elm_smart_scroller_child_viewport_size_get(obj, &w, &h);
+   if (wd->round)
+     {
+        evas_object_geometry_get(wd->main_box, NULL, NULL, &bw, NULL);
+        if (x > ((w / wd->display_item_num) * (wd->item_count + (wd->display_item_num % 2))))
+           elm_smart_scroller_child_region_show(wd->scroller,
+                                               x - ((w / wd->display_item_num) * wd->item_count),
+                                               y, w, h);
+        else if (x < 0)
+           elm_smart_scroller_child_region_show(wd->scroller,
+                                               x + ((w / wd->display_item_num) * wd->item_count),
+                                               y, w, h);
+     }
+}
+
+static void
+_scroller_stop_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
+{
+   Elm_Diskselector_Item *it;
+   Widget_Data *wd = elm_widget_data_get(data);
+   Evas_Coord x, w, ow;
+   Eina_List *l, *list;
+
+   if (wd->idler) return;
+
+   if (!wd->round)
+     list = wd->items;
+   else
+     list = wd->r_items;
+
+   evas_object_geometry_get(wd->scroller, NULL, NULL, &ow, NULL);
+   EINA_LIST_FOREACH(list, l, it)
+     {
+        evas_object_geometry_get(VIEW(it), &x, NULL, &w, NULL);
+        if (abs((int)(ow / 2 - (int)(x + w / 2))) < 10) break;
+     }
+
+   if (!it) return;
+   _select_item(it);
+   evas_object_smart_callback_call(data, SIG_SCROLL_ANIM_STOP, it);
+}
+
+static void
+_scroller_start_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
+{
+   evas_object_smart_callback_call(data, SIG_SCROLL_ANIM_START,
+                                   elm_diskselector_selected_item_get(data));
+}
+
+static void
+_drag_start_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
+{
+   evas_object_smart_callback_call(data, SIG_SCROLL_DRAG_START,
+                                   elm_diskselector_selected_item_get(data));
+}
+
+static void
+_drag_stop_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
+{
+   evas_object_smart_callback_call(data, SIG_SCROLL_DRAG_STOP,
+                                   elm_diskselector_selected_item_get(data));
+}
+
+static Eina_Bool
+_move_scroller(void *data)
+{
+   Evas_Object *obj = data;
+   Widget_Data *wd;
+   Eina_List *list, *l;
+   Elm_Diskselector_Item *dit;
+   Evas_Coord y, w, h;
+   int i;
+
+   wd = elm_widget_data_get(obj);
+   if (!wd) return EINA_FALSE;
+
+   if (!wd->round)
+     {
+        i = 0;
+        list = wd->items;
+     }
+   else
+     {
+        i = 1;
+        list = wd->r_items;
+     }
+
+   EINA_LIST_FOREACH(list, l, dit)
+     {
+        if (wd->selected_item == dit)
+           break;
+        i++;
+     }
+
+   if (wd->round) i -= CEIL(wd->display_item_num);
+
+   if (!dit)
+     {
+        wd->selected_item =
+           (Elm_Diskselector_Item *) eina_list_nth(wd->items, 0);
+        return EINA_FALSE;
+     }
+
+   evas_object_geometry_get(wd->scroller, NULL, &y, &w, &h);
+   elm_smart_scroller_child_region_show(wd->scroller, w / wd->display_item_num * i, y, w, h);
+   _select_item(dit);
+   if (wd->idler)
+     {
+        ecore_idle_enterer_del(wd->idler);
+        wd->idler = NULL;
+     }
+   wd->init = EINA_TRUE;
+   _check_string(wd);
+
+   return EINA_TRUE;
+}
+
+static void
+_round_item_del(Widget_Data *wd, Elm_Diskselector_Item *it)
+{
+   if (!it) return;
+   elm_box_unpack(wd->main_box, VIEW(it));
+   wd->r_items = eina_list_remove(wd->r_items, it);
+   eina_stringshare_del(it->label);
+   elm_widget_item_free(it);
+}
+
+static void
+_round_items_del(Widget_Data *wd)
+{
+   Eina_List *l;
+   Elm_Diskselector_Item * it;
+
+   _round_item_del(wd, wd->last);
+   wd->last = NULL;
+   _round_item_del(wd, wd->s_last);
+   wd->s_last = NULL;
+   _round_item_del(wd, wd->second);
+   wd->second = NULL;
+   _round_item_del(wd, wd->first);
+   wd->first = NULL;
+
+   EINA_LIST_FOREACH(wd->under_items, l, it)
+     {
+        _round_item_del(wd, it);
+     }
+   wd->under_items = eina_list_free(wd->under_items);
+
+   EINA_LIST_FOREACH(wd->over_items, l, it)
+     {
+        _round_item_del(wd, it);
+     }
+   wd->over_items = eina_list_free(wd->over_items);
+}
+
+static void
+_round_items_add(Widget_Data *wd)
+{
+   Elm_Diskselector_Item *dit;
+   Elm_Diskselector_Item *it;
+   Elm_Diskselector_Item *temp_it;
+   int i = 0;
+   dit = it = eina_list_nth(wd->items, 0);
+   if (!dit) return;
+
+   if (!wd->first)
+     {
+        wd->first = _item_new(WIDGET(it), it->icon, it->label, it->func,
+                              it->base.data);
+        wd->first->node = it->node;
+        wd->r_items = eina_list_append(wd->r_items, wd->first);
+     }
+
+   it = eina_list_nth(wd->items, 1);
+   if (!it)
+     it = dit;
+   if (!wd->second)
+     {
+        wd->second = _item_new(WIDGET(it), it->icon, it->label, it->func,
+                               it->base.data);
+        wd->second->node = it->node;
+        wd->r_items = eina_list_append(wd->r_items, wd->second);
+     }
+
+   // if more than 3 itmes should be displayed
+   for (i = 2; i < CEIL(wd->display_item_num); i++)
+     {
+        it = eina_list_nth(wd->items, i);
+        if (!it) it = dit;
+        temp_it = _item_new(WIDGET(it), it->icon, it->label, it->func, it->base.data);
+        wd->over_items = eina_list_append(wd->over_items, temp_it);
+        wd->r_items = eina_list_append(wd->r_items, temp_it);
+     }
+
+   it = eina_list_nth(wd->items, wd->item_count - 1);
+   if (!it)
+     it = dit;
+   if (!wd->last)
+     {
+        wd->last = _item_new(WIDGET(it), it->icon, it->label, it->func,
+                             it->base.data);
+        wd->last->node = it->node;
+        wd->r_items = eina_list_prepend(wd->r_items, wd->last);
+     }
+
+   it = eina_list_nth(wd->items, wd->item_count - 2);
+   if (!it)
+     it = dit;
+   if (!wd->s_last)
+     {
+        wd->s_last = _item_new(WIDGET(it), it->icon, it->label, it->func,
+                               it->base.data);
+        wd->s_last->node = it->node;
+        wd->r_items = eina_list_prepend(wd->r_items, wd->s_last);
+     }
+
+   // if more than 3 itmes should be displayed
+   for (i = 3; i <= CEIL(wd->display_item_num); i++)
+     {
+        it = eina_list_nth(wd->items, wd->item_count - i);
+        if (!it) it = dit;
+        temp_it = _item_new(WIDGET(it), it->icon, it->label, it->func, it->base.data);
+        wd->under_items = eina_list_append(wd->under_items, temp_it);
+        wd->r_items = eina_list_prepend(wd->r_items, temp_it);
+     }
+}
+
+static void
+_item_icon_set(Elm_Diskselector_Item *it, Evas_Object *icon)
+{
+   if (it->icon == icon) return;
+   if (it->icon) evas_object_del(it->icon);
+   it->icon = icon;
+   if (VIEW(it))
+     {
+        evas_object_size_hint_min_set(it->icon, 24, 24);
+        evas_object_size_hint_max_set(it->icon, 40, 40);
+        edje_object_part_swallow(VIEW(it), "elm.swallow.icon", it->icon);
+        evas_object_show(it->icon);
+        elm_widget_sub_object_add(WIDGET(it), it->icon);
+     }
+}
+
+static void
+_check_identical_item(Elm_Diskselector_Item *it, Evas_Object *icon)
+{
+   Widget_Data *wd;
+   Elm_Diskselector_Item *dit;
+   Eina_List *l;
+   int idx = 0;
+   int ic = 0;
+   int ac = 0;
+
+   wd = elm_widget_data_get(WIDGET(it));
+   if (!wd) return;
+
+   if (wd->round)
+     {
+        // Get index from indentical item from round items
+        EINA_LIST_FOREACH(wd->r_items, l, dit)
+          {
+             if (it == dit) break;
+             idx++;
+          }
+
+        // No item to match
+        ic = eina_list_count(wd->r_items);
+        if (idx >= ic) return;
+        dit = NULL;
+
+        // Number of added items: CEIL(wd->display_item_num)
+        ac = CEIL(wd->display_item_num);
+
+        if (((idx >= 0) && (idx < ac)) ||
+            ((idx >= ac) && (idx < (2 * ac))))
+          {
+              // Selected item: under, low region
+             dit = eina_list_nth(wd->r_items,
+                                 idx + ic - (2 * ac));
+          }
+        else if (((idx >= (ic - ac)) && (idx < ic)) ||
+                 ((idx >= (ic - (2 * ac))) && (idx < ic - ac)))
+          {
+              // Selected item: over, high region
+              dit = eina_list_nth(wd->r_items,
+                                  idx - ic + (2 * ac));
+          }
+
+        if (dit) _item_icon_set(dit, icon);
+        _sizing_eval(wd->self);
+     }
+}
+
+static void
+_item_text_set_hook(Elm_Object_Item *it, const char *part, const char *label)
+{
+   Elm_Diskselector_Item *item;
+   if (part && strcmp(part, "default")) return;
+   item = (Elm_Diskselector_Item *)it;
+   eina_stringshare_replace(&item->label, label);
+   edje_object_part_text_escaped_set(VIEW(item), "elm.text", item->label);
+}
+
+static const char *
+_item_text_get_hook(const Elm_Object_Item *it, const char *part)
+{
+   if (part && strcmp(part, "default")) return NULL;
+   return ((Elm_Diskselector_Item *)it)->label;
+}
+
+static void
+_item_content_set_hook(Elm_Object_Item *it,
+                       const char *part,
+                       Evas_Object *content)
+{
+   if (part && strcmp(part, "icon")) return;
+   _item_icon_set((Elm_Diskselector_Item *)it, content);
+   _check_identical_item((Elm_Diskselector_Item *)it, content);
+}
+
+static Evas_Object *
+_item_content_get_hook(const Elm_Object_Item *it, const char *part)
+{
+   if (part && strcmp(part, "icon")) return NULL;
+   return ((Elm_Diskselector_Item *)it)->icon;
+}
+
+
+EAPI Evas_Object *
+elm_diskselector_add(Evas_Object *parent)
+{
+   Evas *e;
+   Evas_Object *obj;
+   Widget_Data *wd;
+
+   ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
+
+   ELM_SET_WIDTYPE(widtype, "diskselector");
+   elm_widget_type_set(obj, "diskselector");
+   elm_widget_sub_object_add(parent, obj);
+   elm_widget_data_set(obj, wd);
+   elm_widget_del_hook_set(obj, _del_hook);
+   elm_widget_del_pre_hook_set(obj, _del_pre_hook);
+   elm_widget_theme_hook_set(obj, _theme_hook);
+   elm_widget_can_focus_set(obj, EINA_TRUE);
+   elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
+   elm_widget_event_hook_set(obj, _event_hook);
+
+   wd->self = obj;
+   wd->item_count = 0;
+   wd->round = EINA_FALSE;
+   wd->init = EINA_FALSE;
+   wd->len_side = 3;
+   wd->display_item_num_by_api = EINA_FALSE;
+
+   wd->scroller = elm_smart_scroller_add(e);
+   elm_smart_scroller_widget_set(wd->scroller, obj);
+   _theme_hook(obj);
+   elm_widget_resize_object_set(obj, wd->scroller);
+   elm_smart_scroller_policy_set(wd->scroller, ELM_SMART_SCROLLER_POLICY_OFF,
+                                 ELM_SMART_SCROLLER_POLICY_OFF);
+   elm_smart_scroller_bounce_allow_set(wd->scroller, EINA_TRUE, EINA_FALSE);
+   evas_object_smart_callback_add(wd->scroller, "scroll", _scroller_move_cb,
+                                  wd);
+   evas_object_smart_callback_add(wd->scroller, "animate,stop",
+                                  _scroller_stop_cb, obj);
+   evas_object_smart_callback_add(wd->scroller, "animate,start",
+                                  _scroller_start_cb, obj);
+   evas_object_smart_callback_add(wd->scroller, "drag,stop",
+                                  _drag_stop_cb, obj);
+   evas_object_smart_callback_add(wd->scroller, "drag,start",
+                                  _drag_start_cb, obj);
+
+   _elm_theme_object_set(obj, wd->scroller, "diskselector", "base",
+                         "default");
+   evas_object_event_callback_add(wd->scroller, EVAS_CALLBACK_RESIZE,
+                                  _diskselector_object_resize, obj);
+
+   wd->main_box = elm_box_add(parent);
+   elm_box_horizontal_set(wd->main_box, EINA_TRUE);
+   elm_box_homogeneous_set(wd->main_box, EINA_TRUE);
+   evas_object_size_hint_weight_set(wd->main_box, EVAS_HINT_EXPAND,
+                                    EVAS_HINT_EXPAND);
+   evas_object_size_hint_align_set(wd->main_box, EVAS_HINT_FILL,
+                                   EVAS_HINT_FILL);
+   _elm_theme_object_set(obj, wd->main_box, "diskselector", "base",
+                         "default");
+   elm_widget_sub_object_add(obj, wd->main_box);
+
+   elm_smart_scroller_child_set(wd->scroller, wd->main_box);
+
+   wd->left_blank = edje_object_add(evas_object_evas_get(obj));
+   _elm_theme_object_set(obj, wd->left_blank, "diskselector", "item",
+                         "default");
+   evas_object_size_hint_weight_set(wd->left_blank, EVAS_HINT_EXPAND,
+                                    EVAS_HINT_EXPAND);
+   evas_object_size_hint_align_set(wd->left_blank, EVAS_HINT_FILL,
+                                   EVAS_HINT_FILL);
+   elm_box_pack_end(wd->main_box, wd->left_blank);
+   evas_object_show(wd->left_blank);
+
+   wd->right_blank = edje_object_add(evas_object_evas_get(obj));
+   _elm_theme_object_set(obj, wd->right_blank, "diskselector", "item",
+                         "default");
+   evas_object_size_hint_weight_set(wd->right_blank, EVAS_HINT_EXPAND,
+                                    EVAS_HINT_EXPAND);
+   evas_object_size_hint_align_set(wd->right_blank, EVAS_HINT_FILL,
+                                   EVAS_HINT_FILL);
+   elm_box_pack_end(wd->main_box, wd->right_blank);
+   evas_object_show(wd->right_blank);
+
+   _theme_data_get(wd);
+
+   evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
+   evas_object_smart_callbacks_descriptions_set(obj, _signals);
+   _sizing_eval(obj);
+   return obj;
+}
+
+EAPI Eina_Bool
+elm_diskselector_round_enabled_get(const Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return EINA_FALSE;
+   return wd->round;
+}
+
+EAPI void
+elm_diskselector_round_enabled_set(Evas_Object * obj, Eina_Bool enabled)
+{
+   Eina_List *elist;
+   Elm_Diskselector_Item *it;
+
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   if (wd->round == enabled)
+     return;
+
+   wd->round = !!enabled;
+   if (enabled)
+     {
+        wd->r_items = eina_list_clone(wd->items);
+        elm_box_unpack(wd->main_box, wd->left_blank);
+        evas_object_hide(wd->left_blank);
+        elm_box_unpack(wd->main_box, wd->right_blank);
+        evas_object_hide(wd->right_blank);
+        if (!wd->items)
+          return;
+
+        _round_items_add(wd);
+
+        if (wd->last)
+          elm_box_pack_start(wd->main_box, wd->VIEW(last));
+        if (wd->s_last)
+          elm_box_pack_start(wd->main_box, wd->VIEW(s_last));
+
+        // if more than 3 items should be displayed
+        EINA_LIST_FOREACH(wd->under_items, elist, it)
+           elm_box_pack_start(wd->main_box, VIEW(it));
+
+        if (wd->first)
+          elm_box_pack_end(wd->main_box, wd->VIEW(first));
+        if (wd->second)
+          elm_box_pack_end(wd->main_box, wd->VIEW(second));
+
+        // if more than 3 items should be displayed
+        EINA_LIST_FOREACH(wd->over_items, elist, it)
+           elm_box_pack_end(wd->main_box, VIEW(it));
+     }
+   else
+     {
+        _round_items_del(wd);
+        elm_box_pack_start(wd->main_box, wd->left_blank);
+        elm_box_pack_end(wd->main_box, wd->right_blank);
+        eina_list_free(wd->r_items);
+        wd->r_items = NULL;
+     }
+
+   _selected_item_indicate(wd->selected_item);
+   _sizing_eval(obj);
+}
+
+EAPI int
+elm_diskselector_side_text_max_length_get(const Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) 0;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return 0;
+   return wd->len_side;
+}
+
+EAPI void
+elm_diskselector_side_text_max_length_set(Evas_Object *obj, int len)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   wd->len_side = len;
+}
+
+EAPI void
+elm_diskselector_bounce_set(Evas_Object *obj, Eina_Bool h_bounce, Eina_Bool v_bounce)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   if (wd->scroller)
+     elm_smart_scroller_bounce_allow_set(wd->scroller, h_bounce, v_bounce);
+}
+
+EAPI void
+elm_diskselector_bounce_get(const Evas_Object *obj, Eina_Bool *h_bounce, Eina_Bool *v_bounce)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   elm_smart_scroller_bounce_allow_get(wd->scroller, h_bounce, v_bounce);
+}
+
+EAPI void
+elm_diskselector_scroller_policy_get(const Evas_Object *obj, Elm_Scroller_Policy *policy_h, Elm_Scroller_Policy *policy_v)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Elm_Smart_Scroller_Policy s_policy_h, s_policy_v;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if ((!wd) || (!wd->scroller)) return;
+   elm_smart_scroller_policy_get(wd->scroller, &s_policy_h, &s_policy_v);
+   *policy_h = (Elm_Scroller_Policy) s_policy_h;
+   *policy_v = (Elm_Scroller_Policy) s_policy_v;
+}
+
+EAPI void
+elm_diskselector_scroller_policy_set(Evas_Object *obj, Elm_Scroller_Policy policy_h, Elm_Scroller_Policy policy_v)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if ((!wd) || (!wd->scroller)) return;
+   if ((policy_h >= ELM_SCROLLER_POLICY_LAST) ||
+       (policy_v >= ELM_SCROLLER_POLICY_LAST))
+     return;
+   elm_smart_scroller_policy_set(wd->scroller, policy_h, policy_v);
+}
+
+EAPI void
+elm_diskselector_clear(Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   Elm_Diskselector_Item *it;
+
+   if (!wd) return;
+   if (!wd->items) return;
+
+   wd->selected_item = NULL;
+   EINA_LIST_FREE(wd->items, it)
+     {
+        _item_del(it);
+        elm_widget_item_free(it);
+     }
+   _round_items_del(wd);
+   _sizing_eval(obj);
+}
+
+EAPI const Eina_List *
+elm_diskselector_items_get(const Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) NULL;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return NULL;
+   return wd->items;
+}
+
+EAPI Elm_Object_Item *
+elm_diskselector_item_append(Evas_Object *obj, const char *label, Evas_Object *icon, Evas_Smart_Cb func, const void *data)
+{
+   Elm_Diskselector_Item *it;
+   ELM_CHECK_WIDTYPE(obj, widtype) NULL;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return NULL;
+
+   it = _item_new(obj, icon, label, func, data);
+   wd->items = eina_list_append(wd->items, it);
+   it->node = eina_list_last(wd->items);
+   wd->item_count++;
+   if (wd->round)
+     {
+        _round_items_del(wd);
+        wd->r_items = eina_list_append(wd->r_items, it);
+        _round_items_add(wd);
+        if (wd->last)
+          elm_box_pack_start(wd->main_box, wd->VIEW(last));
+        if (wd->s_last)
+          elm_box_pack_start(wd->main_box, wd->VIEW(s_last));
+        elm_box_pack_end(wd->main_box, VIEW(it));
+        if (wd->first)
+          elm_box_pack_end(wd->main_box, wd->VIEW(first));
+        if (wd->second)
+          elm_box_pack_end(wd->main_box, wd->VIEW(second));
+     }
+   else
+     {
+        elm_box_unpack(wd->main_box, wd->right_blank);
+        elm_box_pack_end(wd->main_box, VIEW(it));
+        elm_box_pack_end(wd->main_box, wd->right_blank);
+     }
+   if (!wd->selected_item)
+     wd->selected_item = it;
+   if (!wd->idler)
+     wd->idler = ecore_idle_enterer_before_add(_move_scroller, obj);
+   _sizing_eval(obj);
+   return (Elm_Object_Item *)it;
+}
+
+EAPI Elm_Object_Item *
+elm_diskselector_selected_item_get(const Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) NULL;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return NULL;
+   return (Elm_Object_Item *) wd->selected_item;
+}
+
+EAPI void
+elm_diskselector_item_selected_set(Elm_Object_Item *it, Eina_Bool selected)
+{
+   ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
+   Widget_Data *wd;
+   Elm_Diskselector_Item *item = (Elm_Diskselector_Item *)it;
+   wd = elm_widget_data_get(WIDGET(item));
+   if (!wd) return;
+
+   if ((wd->selected_item == item) && (selected))
+     return;
+
+   if ((wd->selected_item == item) && (!selected))
+     wd->selected_item = eina_list_data_get(wd->items);
+   else
+     {
+        wd->selected_item = item;
+        _selected_item_indicate(wd->selected_item);
+     }
+
+   if (!wd->idler)
+     wd->idler = ecore_idle_enterer_before_add(_move_scroller, WIDGET(item));
+}
+
+EAPI Eina_Bool
+elm_diskselector_item_selected_get(const Elm_Object_Item *it)
+{
+   ELM_OBJ_ITEM_CHECK_OR_RETURN(it, EINA_FALSE);
+   Widget_Data *wd = elm_widget_data_get(WIDGET(it));
+   if (!wd) return EINA_FALSE;
+   return (wd->selected_item == ((Elm_Diskselector_Item *)it));
+}
+
+EAPI Elm_Object_Item *
+elm_diskselector_item_prev_get(const Elm_Object_Item *it)
+{
+   ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
+   Elm_Diskselector_Item *item = (Elm_Diskselector_Item *)it;
+   if (item->node->prev) return item->node->prev->data;
+   else return NULL;
+}
+
+EAPI Elm_Object_Item *
+elm_diskselector_item_next_get(const Elm_Object_Item *it)
+{
+   ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
+   Elm_Diskselector_Item *item = (Elm_Diskselector_Item *)it;
+   if (item->node->next) return item->node->next->data;
+   else return NULL;
+}
+
+EAPI Elm_Object_Item *
+elm_diskselector_first_item_get(const Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) NULL;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd || !wd->items) return NULL;
+   return eina_list_data_get(wd->items);
+}
+
+EAPI Elm_Object_Item *
+elm_diskselector_last_item_get(const Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) NULL;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd || !wd->items) return NULL;
+   return eina_list_data_get(eina_list_last(wd->items));
+}
+
+EAPI void
+elm_diskselector_display_item_num_set(Evas_Object *obj, int num)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   if (num < DISPLAY_ITEM_NUM_MIN) num = DISPLAY_ITEM_NUM_MIN;
+   wd->display_item_num = num;
+   wd->display_item_num_by_api = EINA_TRUE;
+}
+
+EAPI int
+elm_diskselector_display_item_num_get(const Evas_Object *item)
+{
+   ELM_CHECK_WIDTYPE(item, widtype) (-1);
+   Widget_Data *wd = elm_widget_data_get(item);
+   if (!wd) return -1;
+   return wd->display_item_num;
+}