Scrolling through gengrid

This code snippet shows how to bring in and show items on a gengrid.
//return an icon (defined by data)
static Evas_Object *_item_content_get(void *data, Evas_Object *obj, const char *part) {
	Evas_Object *icon = elm_icon_add(obj);
	elm_icon_standard_set(icon, data);
	evas_object_show(icon);
	return icon;
}

static void gengrid_test(Evas_Object *parent) {
	Evas_Object *grid = elm_gengrid_add(parent);
	evas_object_size_hint_weight_set(grid, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
	elm_win_resize_object_add(parent, grid);
	evas_object_show(grid);
	elm_gengrid_horizontal_set(grid, EINA_TRUE);
	elm_gengrid_item_size_set(grid, 150, 150);

	Elm_Gengrid_Item_Class *gic;
	gic = elm_gengrid_item_class_new();
	gic->func.content_get = _item_content_get;

	Elm_Object_Item* clock = elm_gengrid_item_append(grid, gic, "clock", NULL, NULL);
	for (int i = 0; i < 20; i++) {
		elm_gengrid_item_append(grid, gic, "close", NULL, NULL);
	}
	Elm_Object_Item* refresh = elm_gengrid_item_append(grid, gic, "refresh", NULL, NULL);
	for (int i = 0; i < 20; i++) {
		elm_gengrid_item_append(grid, gic, "close", NULL, NULL);
	}

	//bring the item into view with animation (other options:ELM_GENGRID_ITEM_SCROLLTO_NONE,
	//ELM_GENGRID_ITEM_SCROLLTO_TOP,ELM_GENGRID_ITEM_SCROLLTO_MIDDLE)
	elm_gengrid_item_bring_in(clock, ELM_GENGRID_ITEM_SCROLLTO_IN);

	//immediately shows the part of grid that contains given item
	elm_gengrid_item_show(refresh, ELM_GENGRID_ITEM_SCROLLTO_IN);
}

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