def open_win(self, _=None, force_open=False):
if self._readonly and not force_open:
TK_ROOT.bell()
return 'break' # Tell tk to stop processing this event
self.win.deiconify()
self.win.lift(self.parent)
self.win.grab_set()
self.win.focus_force() # Focus here to deselect the textbox
utils.center_win(self.win, parent=self.parent)
self.flow_items()
self.sel_item(self.selected)
