nodes: added access to default value

app/node/input.cpp

@@ -316,6 +316,8 @@ void NodeInput::Init(DataType type)
 
 void NodeInput::SetDefaultValue(const QVector<QVariant> &default_value)
 {
+  default_value_ = default_value;
+
   for (int i=0;i<standard_value_.size();i++) {
     standard_value_.replace(i, default_value.at(i));
   }
@@ -382,6 +384,11 @@ void NodeInput::GetDependencies(QList<Node *> &list, bool traverse, bool exclusi
   }
 }
 
+QVariant NodeInput::GetDefaultValue() const
+{
+  return combine_track_values_into_normal_value(default_value_);
+}
+
 QList<Node *> NodeInput::GetDependencies(bool traverse, bool exclusive_only) const
 {
   QList<Node *> list;

app/node/input.h

@@ -277,6 +277,8 @@ public:
 
   void GetDependencies(QList<Node*>& list, bool traverse, bool exclusive_only) const;
 
+  QVariant GetDefaultValue() const;
+
   QList<Node*> GetDependencies(bool traverse = true, bool exclusive_only = false) const;
 
   QList<Node*> GetExclusiveDependencies() const;
@@ -368,6 +370,11 @@ private:
    */
   QVector<QVariant> standard_value_;
 
+  /**
+   * @brief Default value that can be reset if the user requests
+   */
+  QVector<QVariant> default_value_;
+
   /**
    * @brief Internal keyframe array
    *