Return quick on unmatched event type

piker/ui/_event.py

@@ -105,14 +105,10 @@ class EventRelay(QtCore.QObject):
         etype = ev.type()
         # TODO: turn this on and see what we can filter by default (such
         # as mouseWheelEvent).
-        # print(f'ev: {ev}')
+        print(f'ev: {ev}')
 
-        if etype in self._event_types:
-            # ev.accept()
-
-            # TODO: what's the right way to allow this?
-            # if ev.isAutoRepeat():
-            #     ev.ignore()
+        if etype not in self._event_types:
+            return False
 
         # XXX: we unpack here because apparently doing it
         # after pop from the mem chan isn't showing the same
@@ -141,6 +137,7 @@ class EventRelay(QtCore.QObject):
             # tick, thus special handling or copying must be done.
 
         elif etype in MOUSE_EVENTS:
+            # print('f mouse event: {ev}')
             msg = MouseMsg(
                 event=ev,
                 etype=etype,