nodeparamviewwidgetbridge: null check time target

app/widget/nodeparamview/nodeparamview.cpp

@@ -40,7 +40,6 @@ NodeParamView::NodeParamView(bool create_keyframe_view, QWidget *parent) :
   super(true, false, parent),
   last_scroll_val_(0),
   focused_node_(nullptr),
-  time_target_(nullptr),
   show_all_nodes_(false)
 {
   // Create horizontal layout to place scroll area in (and keyframe editing eventually)
@@ -365,13 +364,6 @@ void NodeParamView::ConnectedNodeChangeEvent(ViewerOutput *n)
   foreach (NodeParamViewContext* item, context_items_) {
     item->SetTimeTarget(n);
   }
-
-  time_target_ = n;
-}
-
-ViewerOutput *NodeParamView::GetTimeTarget() const
-{
-  return time_target_;
 }
 
 void ReconnectOutputsIfNotDeletingNode(MultiUndoCommand *c, NodeViewDeleteCommand *dc, Node *output, Node *deleting, Node *context)
@@ -721,7 +713,7 @@ void NodeParamView::AddNode(Node *n, Node *ctx, NodeParamViewContext *context)
   connect(item, &NodeParamViewItem::RequestEditTextInViewer, this, &NodeParamView::RequestEditTextInViewer);
 
   item->SetContext(ctx);
-  item->SetTimeTarget(GetTimeTarget());
+  item->SetTimeTarget(GetConnectedNode());
   item->SetTimebase(timebase());
 
   context->AddNode(item);

app/widget/nodeparamview/nodeparamview.h

@@ -48,8 +48,6 @@ public:
 
   void CloseContextsBelongingToProject(Project *p);
 
-  ViewerOutput *GetTimeTarget() const;
-
   void DeleteSelected();
 
   void SelectAll()
@@ -156,8 +154,6 @@ private:
   NodeParamViewItem* focused_node_;
   QVector<NodeParamViewItem*> selected_nodes_;
 
-  ViewerOutput *time_target_;
-
   QVector<Node*> contexts_;
   QVector<Node*> current_contexts_;
 

app/widget/nodeparamview/nodeparamviewwidgetbridge.cpp

@@ -547,7 +547,8 @@ void NodeParamViewWidgetBridge::TimeTargetConnectEvent(ViewerOutput *v)
 
 void NodeParamViewWidgetBridge::InputValueChanged(const NodeInput &input, const TimeRange &range)
 {
-  if (GetInnerInput() == input
+  if (GetTimeTarget()
+      && GetInnerInput() == input
       && !dragger_.IsStarted()
       && range.in() <= GetTimeTarget()->GetPlayhead() && range.out() >= GetTimeTarget()->GetPlayhead()) {
     // We'll need to update the widgets because the values have changed on our current time