Thank you for reply,but i just find some string in L10N ,no UI files,find somthing like this in ui:
"<Widgetcell_padding="0"flag="not_active"frame="37,32,64,64"item_height="64"item_width="64"name="item_slot"type="itemview"/>"
I guess type="itemview" is active the dialog for this,but i can find the “itemview's" xml or html