Move MainWindow->Scene connection out of QtkWidget.

src/app/main.cpp

@@ -24,7 +24,7 @@ int main(int argc, char * argv[])
   // NOTE: We set the scene here and not in QtkMainWindow to detach the scene
   // from the QtkWidget plugin (qtk_plugin_library build target).
   // Once we can save / load scenes, this call, and QtkScene, can be removed.
-  window->getQtkWidget()->setScene(new QtkScene);
+  window->setScene(new QtkScene);
 
   window->show();
 

src/app/qtkmainwindow.cpp

@@ -102,3 +102,12 @@ void MainWindow::refreshScene(const QString & sceneName)
   // TODO: Select TreeView using sceneName
   ui_->qtk__TreeView->updateView(getQtkWidget()->getScene());
 }
+
+void MainWindow::setScene(Qtk::Scene * scene)
+{
+  connect(scene,
+          &Qtk::Scene::sceneUpdated,
+          MainWindow::getMainWindow(),
+          &MainWindow::refreshScene);
+  ui_->qtk__QtkWidget->setScene(scene);
+}

src/app/qtkmainwindow.h

@@ -96,6 +96,11 @@ class MainWindow : public QMainWindow
      */
     Qtk::QtkWidget * getQtkWidget(const QString & name);
 
+    /**
+       * @param scene The new scene to view.
+     */
+    void setScene(Qtk::Scene * scene);
+
   public slots:
     /**
      * Trigger a refresh for widgets related to a scene that has been updated.

src/designer-plugins/qtkwidget.cpp

@@ -133,10 +133,6 @@ void QtkWidget::setScene(Scene * scene)
 {
   if (mScene != Q_NULLPTR) {
     delete mScene;
-    connect(scene,
-            &Scene::sceneUpdated,
-            MainWindow::getMainWindow(),
-            &MainWindow::refreshScene);
   }
 
   mScene = scene;