initial fluent-widgets ui

app/common/signal_bus.py

@@ -0,0 +1,13 @@
+# coding: utf-8
+from PySide6.QtCore import QObject, Signal
+
+
+class SignalBus(QObject):
+    """ Signal bus """
+
+    switchToSampleCard = Signal(str, int)
+    micaEnableChanged = Signal(bool)
+    supportSignal = Signal()
+
+
+signalBus = SignalBus()