Multiple measurements can now be displayed.

src/nqrduck_measurement/controller.py

@@ -230,3 +230,14 @@ class MeasurementController(ModuleController):
 
         self.module.model.displayed_measurement = apodized_measurement
         self.module.model.add_measurement(apodized_measurement)
+
+    @pyqtSlot()
+    def change_displayed_measurement(self) -> None:
+        """Change the displayed measurement."""
+        logger.debug("Changing displayed measurement.")
+        if not self.module.model.measurements:
+            logger.debug("No measurements to display.")
+            return
+
+        index = self.module.view._ui_form.selectionBox.value()
+        self.module.model.displayed_measurement = self.module.model.measurements[index]

src/nqrduck_measurement/model.py

@@ -94,6 +94,11 @@ class MeasurementModel(ModuleModel):
     def add_measurement(self, measurement: Measurement):
         """Add a measurement to the list of measurements."""
         self.measurements.append(measurement)
+        # Change the maximum value of the selectionBox.
+        self.module.view._ui_form.selectionBox.setMaximum(len(self.measurements)-1)
+        # Set the correct value of the selectionBox.
+        self.module.view._ui_form.selectionBox.setValue(len(self.measurements)-1)
+
         self.measurements_changed.emit(self.measurements)
 
     @property

src/nqrduck_measurement/view.py

@@ -105,6 +105,11 @@ class MeasurementView(ModuleView):
         self._ui_form.averagesEdit.set_min_value(1)
         self._ui_form.averagesEdit.set_max_value(1e6)
 
+        # Connect selectionBox signal fors switching the displayed  measurement
+        self._ui_form.selectionBox.valueChanged.connect(
+            self.module.controller.change_displayed_measurement
+        )
+
     def init_plotter(self) -> None:
         """Initialize plotter with the according units for time domain."""
         plotter = self._ui_form.plotter