Method tem

Lib/idlelib/configdialog.py:651–653

(event, elem=element)

                        'linenumber')
        for element in self.theme_elements:
            def tem(event, elem=element):
                # event.widget.winfo_top_level().highlight_target.set(elem)
                self.highlight_target.set(elem)
            text.tag_bind(
                    self.theme_elements[element], '<ButtonPress-1>', tem)
        text['state'] = 'disabled'