Visualizer: Fixed medium signal power density visualization when dragging a network node.

Author: levy

src/inet/visualizer/physicallayer/MediumCanvasVisualizer.cc

@@ -174,6 +174,9 @@ void MediumCanvasVisualizer::initialize(int stage)
                     networkNodeVisualization->addAnnotation(spectrogramFigure, spectrogramFigure->getPlotSize(), spectrogramPlacementHint, spectrogramPlacementPriority);
                     spectrogramFigures[networkNode] = spectrogramFigure;
                 }
+                if (displayPowerDensityMaps || displaySpectrums || displaySpectrograms)
+                    if (!networkNode->isSubscribed(IMobility::mobilityStateChangedSignal, this))
+                        networkNode->subscribe(IMobility::mobilityStateChangedSignal, this);
             }
         }
     }
@@ -929,6 +932,8 @@ void MediumCanvasVisualizer::handleRadioAdded(const IRadio *radio)
                 setSignalArrivalFigure(radio, signalArrivalFigure);
             }
         }
+        if (displayPowerDensityMaps || displaySpectrums || displaySpectrograms)
+            networkNode->subscribe(IMobility::mobilityStateChangedSignal, this);
     }
 }
 
@@ -949,6 +954,8 @@ void MediumCanvasVisualizer::handleRadioRemoved(const IRadio *radio)
             auto networkNodeVisualization = networkNodeVisualizer->getNetworkNodeVisualization(networkNode);
             networkNodeVisualization->removeAnnotation(arrivalFigure);
         }
+        if (displayPowerDensityMaps || displaySpectrums || displaySpectrograms)
+            networkNode->unsubscribe(IMobility::mobilityStateChangedSignal, this);
     }
 }
 
@@ -1090,6 +1097,14 @@ void MediumCanvasVisualizer::handleSignalArrivalEnded(const IReception *receptio
     }
 }
 
+void MediumCanvasVisualizer::receiveSignal(cComponent *source, simsignal_t signal, cObject *object, cObject *details)
+{
+    if (signal == IMobility::mobilityStateChangedSignal)
+        invalidDisplay = true;
+    else
+        MediumVisualizerBase::receiveSignal(source, signal, object, details);
+}
+
 #endif // WITH_RADIO
 
 } // namespace visualizer

src/inet/visualizer/physicallayer/MediumCanvasVisualizer.h

@@ -156,6 +156,8 @@ class INET_API MediumCanvasVisualizer : public MediumVisualizerBase
     virtual void handleSignalDepartureEnded(const physicallayer::ITransmission *transmission) override;
     virtual void handleSignalArrivalStarted(const physicallayer::IReception *reception) override;
     virtual void handleSignalArrivalEnded(const physicallayer::IReception *reception) override;
+
+    virtual void receiveSignal(cComponent *source, simsignal_t signal, cObject *object, cObject *details) override;
 #endif // WITH_RADIO
 };