nodeparamview: pick up move event

Fixes #1547

app/widget/nodeparamview/nodeparamview.cpp

@@ -257,7 +257,7 @@ void NodeParamView::UpdateItemTime(const int64_t &timestamp)
 
 void NodeParamView::QueueKeyframePositionUpdate()
 {
-  QMetaObject::invokeMethod(this, "UpdateElementY", Qt::QueuedConnection);
+  QMetaObject::invokeMethod(this, &NodeParamView::UpdateElementY, Qt::QueuedConnection);
 }
 
 void NodeParamView::SignalNodeOrder()
@@ -305,8 +305,9 @@ void NodeParamView::AddNode(Node *n)
   connect(item, &NodeParamViewItem::dockLocationChanged, this, &NodeParamView::QueueKeyframePositionUpdate);
   connect(item, &NodeParamViewItem::dockLocationChanged, this, &NodeParamView::SignalNodeOrder);
   connect(item, &NodeParamViewItem::PinToggled, this, &NodeParamView::PinNode);
-  connect(item, &NodeParamViewItem::ExpandedChanged, this, &NodeParamView::UpdateElementY);
-  connect(item, &NodeParamViewItem::ArrayExpandedChanged, this, &NodeParamView::UpdateElementY);
+  connect(item, &NodeParamViewItem::ArrayExpandedChanged, this, &NodeParamView::QueueKeyframePositionUpdate);
+  connect(item, &NodeParamViewItem::ExpandedChanged, this, &NodeParamView::QueueKeyframePositionUpdate);
+  connect(item, &NodeParamViewItem::Moved, this, &NodeParamView::QueueKeyframePositionUpdate);
 
   // Set time target
   item->SetTimeTarget(GetTimeTarget());

app/widget/nodeparamview/nodeparamviewitem.cpp

@@ -36,8 +36,10 @@ const int NodeParamViewItemBody::kKeyControlColumn = 10;
 const int NodeParamViewItemBody::kArrayInsertColumn = kKeyControlColumn-1;
 const int NodeParamViewItemBody::kArrayRemoveColumn = kArrayInsertColumn-1;
 
+#define super QDockWidget
+
 NodeParamViewItem::NodeParamViewItem(Node *node, QWidget *parent) :
-  QDockWidget(parent),
+  super(parent),
   node_(node),
   highlighted_(false)
 {
@@ -92,12 +94,12 @@ void NodeParamViewItem::changeEvent(QEvent *e)
     Retranslate();
   }
 
-  QWidget::changeEvent(e);
+  super::changeEvent(e);
 }
 
 void NodeParamViewItem::paintEvent(QPaintEvent *event)
 {
-  QDockWidget::paintEvent(event);
+  super::paintEvent(event);
 
   // Draw border if focused
   if (highlighted_) {
@@ -108,6 +110,13 @@ void NodeParamViewItem::paintEvent(QPaintEvent *event)
   }
 }
 
+void NodeParamViewItem::moveEvent(QMoveEvent *event)
+{
+  super::moveEvent(event);
+
+  emit Moved();
+}
+
 void NodeParamViewItem::Retranslate()
 {
   node_->Retranslate();

app/widget/nodeparamview/nodeparamviewitem.h

@@ -188,11 +188,15 @@ signals:
 
   void ArrayExpandedChanged(bool e);
 
+  void Moved();
+
 protected:
   virtual void changeEvent(QEvent *e) override;
 
   virtual void paintEvent(QPaintEvent *event) override;
 
+  virtual void moveEvent(QMoveEvent *event) override;
+
 private:
   NodeParamViewItemTitleBar* title_bar_;