remove unnecessary sequence casts

app/widget/nodeparamview/nodeparamviewundo.cpp

@@ -36,7 +36,7 @@ NodeParamSetKeyframingCommand::NodeParamSetKeyframingCommand(NodeInput *input, i
 
 Project *NodeParamSetKeyframingCommand::GetRelevantProject() const
 {
-  return static_cast<Sequence*>(input_->parent()->parent())->project();
+  return input_->parent()->parent()->project();
 }
 
 void NodeParamSetKeyframingCommand::redo_internal()
@@ -68,7 +68,7 @@ NodeParamSetKeyframeValueCommand::NodeParamSetKeyframeValueCommand(NodeKeyframe*
 
 Project *NodeParamSetKeyframeValueCommand::GetRelevantProject() const
 {
-  return static_cast<Sequence*>(key_->parent()->parent()->parent()->parent())->project();
+  return key_->parent()->parent()->parent()->project();
 }
 
 void NodeParamSetKeyframeValueCommand::redo_internal()
@@ -91,7 +91,7 @@ NodeParamInsertKeyframeCommand::NodeParamInsertKeyframeCommand(NodeInput *input,
 
 Project *NodeParamInsertKeyframeCommand::GetRelevantProject() const
 {
-  return static_cast<Sequence*>(input_->parent()->parent())->project();
+  return input_->parent()->parent()->project();
 }
 
 void NodeParamInsertKeyframeCommand::redo_internal()
@@ -113,7 +113,7 @@ NodeParamRemoveKeyframeCommand::NodeParamRemoveKeyframeCommand(NodeKeyframe* key
 
 Project *NodeParamRemoveKeyframeCommand::GetRelevantProject() const
 {
-  return static_cast<Sequence*>(input_->parent()->parent())->project();
+  return input_->parent()->parent()->project();
 }
 
 void NodeParamRemoveKeyframeCommand::redo_internal()
@@ -145,7 +145,7 @@ NodeParamSetKeyframeTimeCommand::NodeParamSetKeyframeTimeCommand(NodeKeyframe* k
 
 Project *NodeParamSetKeyframeTimeCommand::GetRelevantProject() const
 {
-  return static_cast<Sequence*>(key_->parent()->parent()->parent())->project();
+  return key_->parent()->parent()->parent()->project();
 }
 
 void NodeParamSetKeyframeTimeCommand::redo_internal()
@@ -180,7 +180,7 @@ NodeParamSetStandardValueCommand::NodeParamSetStandardValueCommand(NodeInput *in
 
 Project *NodeParamSetStandardValueCommand::GetRelevantProject() const
 {
-  return static_cast<Sequence*>(input_->parent()->parent())->project();
+  return input_->parent()->parent()->project();
 }
 
 void NodeParamSetStandardValueCommand::redo_internal()

app/widget/nodeview/nodeview.cpp

@@ -294,7 +294,7 @@ void NodeView::Paste()
 
   QUndoCommand* command = new QUndoCommand();
 
-  QVector<Node*> pasted_nodes = PasteNodesFromClipboard(static_cast<Sequence*>(graph_), command);
+  QVector<Node*> pasted_nodes = PasteNodesFromClipboard(graph_, command);
 
   Core::instance()->undo_stack()->pushIfHasChildren(command);
 

app/widget/timelinewidget/timelineundo.h

@@ -671,7 +671,7 @@ public:
 
   virtual Project* GetRelevantProject() const override
   {
-    return static_cast<Sequence*>(blocks_.first()->parent())->project();
+    return blocks_.first()->parent()->project();
   }
 
 protected:

app/widget/timelinewidget/timelinewidget.cpp

@@ -596,7 +596,7 @@ void TimelineWidget::Paste(bool insert)
   QUndoCommand* command = new QUndoCommand();
 
   QVector<BlockPasteData> paste_data;
-  QVector<Node*> pasted = PasteNodesFromClipboard(static_cast<Sequence*>(GetConnectedNode()->parent()), command, &paste_data);
+  QVector<Node*> pasted = PasteNodesFromClipboard(GetConnectedNode()->parent(), command, &paste_data);
 
   rational paste_start = GetTime();