__init__.py 文件源码

def focus_change(self):
        if self.key_entered == pg.K_TAB or self.key_entered == pg.K_DOWN:
            self.kbd_item = 0
            self.key_entered = 0
            if self.key_shift:  # move back
                self.kbd_item = self.last_widget
            return True
        elif self.key_entered == pg.K_UP:
            self.key_entered = 0
            self.kbd_item = self.last_widget
            return True
        else:
            return False