Fix serial connection status button updates

NanoVNASaver/Controls/MarkerControl.py

@@ -72,10 +72,12 @@ class MarkerControl(QtWidgets.QGroupBox):
             self.app.marker_frame.setHidden(False)
             self.app.settings.setValue("MarkersVisible", True)
             self.showMarkerButton.setText("Hide data")
+            self.showMarkerButton.repaint()
         else:
             self.app.marker_frame.setHidden(True)
             self.app.settings.setValue("MarkersVisible", False)
             self.showMarkerButton.setText("Show data")
+            self.showMarkerButton.repaint()
 
     def toggle_delta(self):
         self.app.delta_marker_layout.setVisible(self.check_delta.isChecked())

NanoVNASaver/NanoVNASaver.py

@@ -463,6 +463,7 @@ class NanoVNASaver(QtWidgets.QWidget):
         self.serialPortInput.clear()
         for iface in get_interfaces():
             self.serialPortInput.insertItem(1, f"{iface}", iface)
+        self.serialPortInput.repaint()
 
     def exportFile(self, nr_params: int = 1):
         if len(self.data11) == 0:
@@ -537,7 +538,8 @@ class NanoVNASaver(QtWidgets.QWidget):
 
         # connected
         self.btnSerialToggle.setText("Disconnect")
-
+        self.btnSerialToggle.repaint()
+		
         frequencies = self.vna.readFrequencies()
         if not frequencies:
             logger.warning("No frequencies read")
@@ -564,7 +566,8 @@ class NanoVNASaver(QtWidgets.QWidget):
             logger.info("Closing connection to %s", self.interface)
             self.interface.close()
             self.btnSerialToggle.setText("Connect to device")
-
+            self.btnSerialToggle.repaint()
+		
     def sweep_start(self):
         # Run the device data update
         if not self.vna.connected():