Hook up module slot to dialog state update

Author: dcwhite

src/Interface/Modules/Render/ViewScene.cc

@@ -768,7 +768,6 @@ Screenshot::Screenshot(QGLWidget *glwidget, QObject *parent)
   QDir dir(filePath);
   if (!dir.exists())
   {
-    //qDebug() << "creating file directory" << filePath;
     dir.mkpath(filePath);
   }
 }
@@ -799,4 +798,9 @@ void ViewSceneDialog::saveNewGeometryChanged(int state)
 void ViewSceneDialog::sendGeometryFeedbackToState(int x, int y)
 {
   qDebug() << "in VSD slot: " << x << y;
-}
+  using namespace SCIRun::Core::Algorithms;
+  Variable::List coords;
+  coords.push_back(makeVariable("x", x));
+  coords.push_back(makeVariable("y", y));
+  state_->setValue(Parameters::GeometryFeedbackInfo, coords);
+}

src/Modules/Render/ViewScene.cc

@@ -49,10 +49,13 @@ ModuleLookupInfo ViewScene::staticInfo_("ViewScene", "Render", "SCIRun");
 Mutex ViewScene::mutex_("ViewScene");
 
 ALGORITHM_PARAMETER_DEF(Render, GeomData);
+ALGORITHM_PARAMETER_DEF(Render, GeometryFeedbackInfo);
 
 ViewScene::ViewScene() : ModuleWithAsyncDynamicPorts(staticInfo_)
 {
   INITIALIZE_PORT(GeneralGeom);
+
+  get_state()->connect_state_changed([this]() { processViewSceneObjectFeedback(); });
 }
 
 void ViewScene::setStateDefaults()
@@ -125,4 +128,16 @@ void ViewScene::asyncExecute(const PortId& pid, DatatypeHandle data)
   get_state()->fireTransientStateChangeSignal();
 }
 
-SCIRun::Core::Algorithms::AlgorithmParameterName ViewScene::BackgroundColor("BackgroundColor");
+void ViewScene::processViewSceneObjectFeedback()
+{
+  std::cout << "slot for state change in VS module" << std::endl;
+  auto state = get_state();
+  auto newInfo = state->getValue(Parameters::GeometryFeedbackInfo).toVector();
+  if (feedbackInfo_ != newInfo)
+  {
+    std::cout << "new feedback info: " << newInfo << std::endl;
+    feedbackInfo_ = newInfo;
+  }
+}
+
+SCIRun::Core::Algorithms::AlgorithmParameterName ViewScene::BackgroundColor("BackgroundColor");

src/Modules/Render/ViewScene.h

@@ -45,6 +45,7 @@ namespace SCIRun
       namespace Render
       {
         ALGORITHM_PARAMETER_DECL(GeomData);
+        ALGORITHM_PARAMETER_DECL(GeometryFeedbackInfo);
       }
     }
   }
@@ -82,8 +83,10 @@ namespace Render {
   protected:
     virtual void portRemovedSlotImpl(const Dataflow::Networks::PortId& pid) override;
   private:
+    void processViewSceneObjectFeedback();
     void updateTransientList();
     ActiveGeometryMap activeGeoms_;
+    Core::Algorithms::VariableList feedbackInfo_;
   };
 }}}