ui: optimized widget signals for selecting clips/nodes

Decent performance optimization when working with the UI.

app/panel/table/table.cpp

@@ -25,17 +25,11 @@ OLIVE_NAMESPACE_ENTER
 NodeTablePanel::NodeTablePanel(QWidget* parent) :
   TimeBasedPanel(QStringLiteral("NodeTablePanel"), parent)
 {
-  view_ = new NodeTableWidget();
-  SetTimeBasedWidget(view_);
+  SetTimeBasedWidget(new NodeTableWidget());
 
   Retranslate();
 }
 
-void NodeTablePanel::SetNodes(const QList<Node *> &nodes)
-{
-  view_->SetNodes(nodes);
-}
-
 void NodeTablePanel::Retranslate()
 {
   SetTitle(tr("Table View"));

app/panel/table/table.h

@@ -33,12 +33,19 @@ public:
   NodeTablePanel(QWidget* parent);
 
 public slots:
-  void SetNodes(const QList<Node*>& nodes);
+  void SelectNodes(const QList<Node*>& nodes)
+  {
+    static_cast<NodeTableWidget*>(GetTimeBasedWidget())->SelectNodes(nodes);
+  }
+
+  void DeselectNodes(const QList<Node*>& nodes)
+  {
+    static_cast<NodeTableWidget*>(GetTimeBasedWidget())->DeselectNodes(nodes);
+  }
 
 private:
   virtual void Retranslate() override;
 
-  NodeTableWidget* view_;
 };
 
 OLIVE_NAMESPACE_EXIT