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> Unreal Engine API Reference > Editor > Sequencer > FMovieSceneTrackEditor

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FMovieSceneTrackEditor

Base class for handling key and section drawing and manipulation of a [UMovieSceneTrack](API\Runtime\MovieScene\UMovieSceneTrack) class.

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Inheritance Hierarchy

TSharedFromThis

ISequencerTrackEditor

FMovieSceneTrackEditor

FAudioTrackEditor

FGeometryCacheTrackEditor

FGeometryCollectionTrackEditor

FKeyframeTrackEditor

FPropertyTrackEditor

FBoolPropertyTrackEditor

FSpawnTrackEditor

FMaterialTrackEditor

FComponentMaterialTrackEditor

FMediaTrackEditor

FSubTrackEditor

References

Module	Sequencer
Header	/Engine/Source/Editor/Sequencer/Public/MovieSceneTrackEditor.h
Include	#include "MovieSceneTrackEditor.h"

Syntax

class FMovieSceneTrackEditor :
public TSharedFromThis< FMovieSceneTrackEditor >,
public ISequencerTrackEditor

Remarks

Base class for handling key and section drawing and manipulation of a UMovieSceneTrack class.

Constructors

	Name	Description
	FMovieSceneTrackEditor ( TSharedRef< ISequencer > InSequence... )	Constructor

Destructors

	Name	Description
	~FMovieSceneTrackEditor()	Destructor

Functions

	Name	Description
void	AnimatablePropertyChanged ( FOnKeyProperty OnKeyProperty )
void	BeginKeying ( FFrameNumber InFrameNumber )	Initiate keying when there is more than one object to key (ie. drag and drop assets).
void	EndKeying()
FFindOrCreat...	FindOrCreateHandleToObject ( UObject* Object, bool bCreateHandleIfMissing, const FName& CreatedFolderName )
FFindOrCreat...	FindOrCreateMasterTrack()	Find or add a master track of the specified type in the focused movie scene.
FFindOrCreat...	FindOrCreateTrackForObject ( const FGuid& ObjectHandle, TSubclassOf< UMovieSceneTrack > Tra..., FName PropertyName, bool bCreateTrackIfMissing )
UMovieScene ...	GetFocusedMovieScene()	Gets the currently focused movie scene, if any.
UMovieSceneS...	GetMovieSceneSequence()
const TShare...	GetSequencer()
FFrameNumber	GetTimeForKey()
void	UpdatePlaybackRange()

Overridden from ISequencerTrackEditor

	Name	Description
UMovieSceneT...	AddTrack ( UMovieScene* FocusedMovieScene, const FGuid& ObjectHandle, TSubclassOf< class UMovieSceneTrack..., FName UniqueTypeName )	Add a new track to the sequence.
void	BindCommands ( TSharedRef< FUICommandList > Sequen... )	Allows the track editors to bind commands.
void	BuildAddTrackMenu ( FMenuBuilder& MenuBuilder )	Builds up the sequencer's "Add Track" menu.
void	BuildObjectBindingEditButtons ( TSharedPtr< SHorizontalBox > EditBo..., const FGuid& ObjectBinding, const UClass* ObjectClass )	Builds up the object binding edit buttons for the outliner.
void	BuildObjectBindingTrackMenu ( FMenuBuilder& MenuBuilder, const TArray< FGuid >& ObjectBindi..., const UClass* ObjectClass )	Builds up the object binding track menu for the outliner.
TSharedPtr< ...	BuildOutlinerEditWidget ( const FGuid& ObjectBinding, UMovieSceneTrack* Track, const FBuildEditWidgetParams& Para... )	Builds an edit widget for the outliner nodes which represent tracks which are edited by this editor.
void	BuildTrackContextMenu ( FMenuBuilder& MenuBuilder, UMovieSceneTrack* Track )	Builds the context menu for the track.
bool	HandleAssetAdded ( UObject* Asset, const FGuid& TargetObjectGuid )	Called when an asset is dropped into Sequencer.
TSharedRef< ...	MakeSectionInterface ( UMovieSceneSection& SectionObject, UMovieSceneTrack& Track, FGuid ObjectBinding )	Called to generate a section layout for a particular section.
bool	OnAllowDrop ( const FDragDropEvent& DragDropEven..., FSequencerDragDropParams& DragDrop... )	Called when attempting to drop an asset directly onto a track.
FReply	OnDrop ( const FDragDropEvent& DragDropEven..., const FSequencerDragDropParams& Dr... )	Called when an asset is dropped directly onto a track.
void	OnInitialize()	Called when the instance of this track editor is initialized
void	OnRelease()	Called when the instance of this track editor is released
int32	PaintTrackArea ( const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawEl..., int32 LayerId, const FWidgetStyle& InWidgetStyle )	Allows the track editor to paint on a track area.
bool	SupportsSequence ( UMovieSceneSequence* InSequenc... )	Returns whether a sequence is supported by this tool.
bool	SupportsType ( TSubclassOf< class UMovieSceneTrack... )	Returns whether a track class is supported by this tool.
void	Tick ( float DeltaTime )	Ticks this tool.

Classes

	Name	Description
	FFindOrCreateHandleResult
	FFindOrCreateMasterTrackResult
	FFindOrCreateTrackResult

Constants

Name	Description
bKeying	Indicates whether we're currently in a keying operation where multiple keys may be created (ie. drag and drop)
NextKeyTime	The key time to use during a multi key operation. Only used if bKeying is true