def on_special_char(self):
self.special_char = not self.special_char<EOL>if self.special_char:<EOL><INDENT>self.set_layout(self.special_char_layout)<EOL><DEDENT>else:<EOL><INDENT>self.set_layout(self.original_layout)<EOL><DEDENT>self.invalidate()<EOL>
Special char key press handler.