diff --git a/fixtracks/utils/signals.py b/fixtracks/utils/signals.py
index b94a7a6..16dcdde 100644
--- a/fixtracks/utils/signals.py
+++ b/fixtracks/utils/signals.py
@@ -8,6 +8,13 @@ class ProducerSignals(QObject):
     progress = Signal(float)
     progress2  = Signal((str, float, float))
 
+class DetectionViewSignals(QObject):
+    trackClicked = Signal(int)
+    itemsSelected = Signal(list)
+
+class DetectionSceneSignals(QObject):
+    itemsSelected = Signal(list)
+
 class DetectionSignals(QObject):
     hover = Signal((int, QPointF))
     clicked = Signal((int, QPointF))