[Genlist] Fix genlist index get bug

Because not all item block have "max_items_per_block" number of items
in it's block. So the calculation is not correct when items are added &
removed in each block.
Because genlist uses inlinst, there is a performance problem to get
index of genlist item.

Change-Id: Ib5b557fbb194a6f94e45d8c918100c21de42c3a2

diff --git a/src/lib/elm_genlist.c b/src/lib/elm_genlist.c
index 9a24f27..721efae 100644 (file)
--- a/src/lib/elm_genlist.c
+++ b/src/lib/elm_genlist.c
@@ -6491,14 +6491,18 @@ elm_genlist_item_cursor_engine_only_get(const Elm_Object_Item *it)
 EAPI int
 elm_genlist_item_index_get(const Elm_Object_Item *item)
 {
+   int cnt = 0;
+   Elm_Gen_Item *tmp;
    Elm_Gen_Item *it = (Elm_Gen_Item *)item;
 
    ELM_GENLIST_ITEM_CHECK_OR_RETURN(item, -1);
 
-   if (it->item->block)
-     return it->position + (it->item->block->position *
-                            GL_IT(it)->wsd->max_items_per_block);
-   return -1;
+   EINA_INLIST_FOREACH(GL_IT(it)->wsd->items, tmp)
+     {
+        if (tmp == it) break;
+        cnt++;
+     }
+   return cnt;
 }
 
 EAPI void