def process_main(self, event: Event) -> bool:
         if not super().process_main(event):
             return False
-        if event.type_ == 'ALERT':
-            self._log_buffer += [f'???? {event.payload}']
-            self._draw_log()
-        elif event.type_ == 'RECV':
-            self._log_buffer += [f'<--- {event.payload}']
-            self._draw_log()
-        elif event.type_ == 'SEND':
-            self._log_buffer += [f'---> {event.payload}']
+        if event.type_ in {'ALERT', 'RECV', 'SEND'}:
+            self._log_buffer += [f'{event.type_} {event.payload}']
             self._draw_log()
         elif event.type_ == 'KEYBINDING':
             getattr(self, f'_kb__{event.payload}')()