QInputAspect: some preliminary work on building backend tree

Change-Id: Iaa2f4aeacb776e04d4da8f47dcd1ebbf61ef44d7
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

2 files changed, 20 insertions, 5 deletions

diff --git a/src/input/qinputaspect.cpp b/src/input/qinputaspect.cpp
index e8ac79068..5d2231b6d 100644
--- a/src/input/qinputaspect.cpp
+++ b/src/input/qinputaspect.cpp
@@ -44,7 +44,8 @@
 #include "inputhandler_p.h"
 #include "keyboardcontroller_p.h"
 #include "keyboardinput_p.h"
-
+#include <Qt3DCore/qnodevisitor.h>
+#include <Qt3DCore/qscenepropertychange.h>
 #include <Qt3DInput/qkeyboardcontroller.h>
 #include <Qt3DInput/qkeyboardinput.h>
 
@@ -75,22 +76,29 @@ QVector<QAspectJobPtr> QInputAspect::jobsToExecute()
 
 void QInputAspect::sceneNodeAdded(QSceneChangePtr &e)
 {
-
+    QScenePropertyChangePtr propertyChange = e.staticCast<QScenePropertyChange>();
+    QNodePtr nodePtr = propertyChange->value().value<QNodePtr>();
+    QNode *n = nodePtr.data();
+    QNodeVisitor visitor;
+    visitor.traverse(n, this, &QInputAspect::visitNode, &QInputAspect::visitNode);
 }
 
 void QInputAspect::sceneNodeRemoved(QSceneChangePtr &e)
 {
-
+    QScenePropertyChangePtr propertyChange = e.staticCast<QScenePropertyChange>();
+    QNodePtr nodePtr = propertyChange->value().value<QNodePtr>();
+    QNode *n = nodePtr.data();
+    QAbstractAspect::clearBackendNode(n);
 }
 
 void QInputAspect::setRootEntity(QEntity *rootObject)
 {
-
+    Q_UNUSED(rootObject);
 }
 
 void QInputAspect::onInitialize(const QVariantMap &data)
 {
-
+    Q_UNUSED(data);
 }
 
 void QInputAspect::onCleanup()
@@ -98,6 +106,11 @@ void QInputAspect::onCleanup()
 
 }
 
+void QInputAspect::visitNode(QNode *node)
+{
+    Q_UNUSED(node);
+}
+
 } // Qt3D
 
 QT_END_NAMESPACE
diff --git a/src/input/qinputaspect.h b/src/input/qinputaspect.h
index dbf443b1f..7d5f1c715 100644
--- a/src/input/qinputaspect.h
+++ b/src/input/qinputaspect.h
@@ -67,6 +67,8 @@ private:
     void onInitialize(const QVariantMap &data) Q_DECL_OVERRIDE;
     void onCleanup() Q_DECL_OVERRIDE;
 
+    void visitNode(QNode *node);
+
     Q_DECLARE_PRIVATE(QInputAspect)
 };