#NEWLINE# def _update_focus_decoration( self ) : #NEWLINE# #INDENT# mdi_area = self . current_tab #NEWLINE# active = mdi_area . activeSubWindow ( ) #NEWLINE# for win in mdi_area . subWindowList ( ) : #NEWLINE# #INDENT# widget = win . widget ( ) #NEWLINE# if isinstance ( active , DataViewer ) : #NEWLINE# #INDENT# widget . set_focus ( ( win is active ) )