nodeparamview: correctly show video and audio node options

app/widget/nodeparamview/nodeparamview.cpp

@@ -85,6 +85,7 @@ NodeParamView::NodeParamView(bool create_keyframe_view, QWidget *parent) :
     NodeParamViewItemTitleBar *title_bar = static_cast<NodeParamViewItemTitleBar*>(c->titleBarWidget());
 
     if (i == Track::kVideo || i == Track::kAudio) {
+      c->SetEffectType(static_cast<Track::Type>(i));
       title_bar->SetAddEffectButtonVisible(true);
       title_bar->SetText(tr("%1 Nodes").arg(Footage::GetStreamTypeName(static_cast<Track::Type>(i))));
     } else {

app/widget/nodeparamview/nodeparamviewcontext.cpp

@@ -31,7 +31,8 @@ namespace olive {
 #define super NodeParamViewItemBase
 
 NodeParamViewContext::NodeParamViewContext(QWidget *parent) :
-  super(parent)
+  super(parent),
+  type_(Track::kNone)
 {
   QWidget *body = new QWidget();
   QHBoxLayout *body_layout = new QHBoxLayout(body);
@@ -126,13 +127,30 @@ void NodeParamViewContext::SetTime(const rational &time)
   }
 }
 
+void NodeParamViewContext::SetEffectType(Track::Type type)
+{
+  type_ = type;
+}
+
 void NodeParamViewContext::Retranslate()
 {
 }
 
 void NodeParamViewContext::AddEffectButtonClicked()
 {
-  Menu *m = NodeFactory::CreateMenu(this, false, Node::kCategoryUnknown, Node::kVideoEffect);
+  Node::Flag flag = Node::kNone;
+
+  if (type_ == Track::kVideo) {
+    flag = Node::kVideoEffect;
+  } else {
+    flag = Node::kAudioEffect;
+  }
+
+  if (flag == Node::kNone) {
+    return;
+  }
+
+  Menu *m = NodeFactory::CreateMenu(this, false, Node::kCategoryUnknown, flag);
   connect(m, &Menu::triggered, this, &NodeParamViewContext::AddEffectMenuItemTriggered);
   m->exec(QCursor::pos());
   delete m;

app/widget/nodeparamview/nodeparamviewcontext.h

@@ -64,6 +64,8 @@ public:
 
   void SetTime(const rational &time);
 
+  void SetEffectType(Track::Type type);
+
 signals:
   void AboutToDeleteItem(NodeParamViewItem *item);
 
@@ -88,6 +90,8 @@ private:
 
   QVector<NodeParamViewItem*> items_;
 
+  Track::Type type_;
+
 private slots:
   void AddEffectButtonClicked();