setFromPaintable  
  fun setFromPaintable(drag: <Error class: unknown class>, paintable: <Error class: unknown class>, hotX: <Error class: unknown class>, hotY: <Error class: unknown class>)(source)
Creates a GtkDragIcon that shows @paintable, and associates it with the drag operation.
The hotspot position on the paintable is aligned with the hotspot of the cursor.
Parameters
drag
a GdkDrag
paintable
a GdkPaintable to display
hotX 
X coordinate of the hotspot
hotY 
Y coordinate of the hotspot