get_cursor
Description:
Fills in path and cell with the current cursor path and cell.
Note: 
      
        
    
    Use [class@Gtk.GridView] instead
 If the cursor isn’t currently set, then *path will be null. If no cell currently has focus, 
      then *cell will be null.
The returned `GtkTreePath` must be freed with free.
Parameters:
| this | A `GtkIconView` | 
| path | Return location for the current cursor path | 
| cell | Return location the current focus cell | 
Returns:
| true if the cursor is set. |