#NEWLINE# def on_mouse_press( self , x , y , buttons , modifiers ) : #NEWLINE# #INDENT# 'See if the press occurs over a sprite and if it does, invoke the\n        on_mouse_press handler on the sprite.\n\n        XXX optimise me\n        ' #NEWLINE# sprite = self . hit ( x , y ) #NEWLINE# if sprite : #NEWLINE# #INDENT# return sprite . on_mouse_press ( x , y , buttons , modifiers ) #NEWLINE# #UNINDENT# return False