Handle error fixing on frontend size

src/app/qgsgeometryvalidationdock.cpp

@@ -83,6 +83,7 @@ void QgsGeometryValidationDock::setGeometryValidationModel( QgsGeometryValidatio
   mErrorListView->setModel( mGeometryValidationModel );
 
   connect( mErrorListView->selectionModel(), &QItemSelectionModel::currentChanged, this, &QgsGeometryValidationDock::onCurrentErrorChanged );
+  connect( mGeometryValidationModel, &QgsGeometryValidationModel::rowsRemoved, this, &QgsGeometryValidationDock::updateCurrentError );
 }
 
 void QgsGeometryValidationDock::gotoNextError()
@@ -147,6 +148,15 @@ void QgsGeometryValidationDock::setGeometryValidationService( QgsGeometryValidat
   mGeometryValidationService = geometryValidationService;
 }
 
+void QgsGeometryValidationDock::updateCurrentError()
+{
+  mFeatureRubberband->hide();
+  mErrorRubberband->hide();
+  mErrorLocationRubberband->hide();
+
+  onCurrentErrorChanged( currentIndex(), QModelIndex() );
+}
+
 QModelIndex QgsGeometryValidationDock::currentIndex() const
 {
   return mErrorListView->selectionModel()->currentIndex();

src/app/qgsgeometryvalidationdock.h

@@ -42,6 +42,7 @@ class QgsGeometryValidationDock : public QgsDockWidget, public Ui_QgsGeometryVal
     void setGeometryValidationService( QgsGeometryValidationService *geometryValidationService );
 
   private slots:
+    void updateCurrentError();
     void onCurrentErrorChanged( const QModelIndex &current, const QModelIndex &previous );
     void onCurrentLayerChanged( QgsMapLayer *layer );
     void gotoNextError();

src/app/qgsgeometryvalidationmodel.cpp

@@ -14,6 +14,7 @@ QgsGeometryValidationModel::QgsGeometryValidationModel( QgsGeometryValidationSer
   connect( mGeometryValidationService, &QgsGeometryValidationService::geometryCheckStarted, this, &QgsGeometryValidationModel::onGeometryCheckStarted );
   connect( mGeometryValidationService, &QgsGeometryValidationService::topologyChecksUpdated, this, &QgsGeometryValidationModel::onTopologyChecksUpdated );
   connect( mGeometryValidationService, &QgsGeometryValidationService::topologyChecksCleared, this, &QgsGeometryValidationModel::onTopologyChecksCleared );
+  connect( mGeometryValidationService, &QgsGeometryValidationService::topologyErrorUpdated, this, &QgsGeometryValidationModel::onTopologyErrorUpdated );
 }
 
 QModelIndex QgsGeometryValidationModel::index( int row, int column, const QModelIndex &parent ) const
@@ -76,7 +77,6 @@ QVariant QgsGeometryValidationModel::data( const QModelIndex &index, int role )
         {
           return tr( "%1: %2" ).arg( featureTitle.toString(), topologyError->description() );
         }
-
       }
 
       case FeatureExtentRole:
@@ -328,6 +328,23 @@ void QgsGeometryValidationModel::onTopologyChecksCleared( QgsVectorLayer *layer
   }
 }
 
+void QgsGeometryValidationModel::onTopologyErrorUpdated( QgsVectorLayer *layer, QgsGeometryCheckError *error )
+{
+  if ( layer == mCurrentLayer )
+  {
+    int i = 0;
+    for ( const auto &currentError : qgis::as_const( mTopologyErrorStorage[layer] ) )
+    {
+      if ( currentError.get() == error )
+      {
+        QModelIndex idx = index( i, 0, QModelIndex() );
+        emit dataChanged( idx, idx );
+      }
+      ++i;
+    }
+  }
+}
+
 int QgsGeometryValidationModel::errorsForFeature( QgsVectorLayer *layer, QgsFeatureId fid )
 {
   const auto &layerErrors = mErrorStorage[layer];

src/app/qgsgeometryvalidationmodel.h

@@ -43,6 +43,7 @@ class QgsGeometryValidationModel : public QAbstractItemModel
     void onGeometryCheckStarted( QgsVectorLayer *layer, QgsFeatureId fid );
     void onTopologyChecksUpdated( QgsVectorLayer *layer, const QList<std::shared_ptr<QgsGeometryCheckError> > &errors );
     void onTopologyChecksCleared( QgsVectorLayer *layer );
+    void onTopologyErrorUpdated( QgsVectorLayer *layer, QgsGeometryCheckError *error );
 
   private:
     struct FeatureErrors