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  3. FMovieSceneTrackEditor

FMovieSceneTrackEditor

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

Unreal Engine C++ API Reference > Editor > Sequencer

Inheritance Hierarchy

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

  Type Name Description
Public function   Constructor

Destructors

  Type Name Description
Public function Virtual   Destructor

Functions

  Type Name Description
Public function void  
Public function Static void

BeginKeying ( FFrameNumber InFrameNumber
)

 Initiate keying when there is more than one object to key (ie. drag and drop assets).
Public function Static void  
Public function FFindOrCreateHandleResult

FindOrCreateHandleToObject ( UObject* Object,
bool bCreateHandleIfMissing,
const FName& CreatedFolderName
)

  
Public function FFindOrCreateRootTrackResult< TrackClass > Find or add a track of the specified type in the focused movie scene.
Public function FFindOrCreateTrackResult

FindOrCreateTrackForObject ( const FGuid& ObjectHandle,
TSubclassOf< UMovieSceneTrack > TrackClass,
FName PropertyName,
bool bCreateTrackIfMissing
)

  
Protected function Const UMovieScene * Gets the currently focused movie scene, if any.
Public function Const UMovieSceneSequence *  
Public function Const const TSharedPtr< ISequencer >  
Public function FFrameNumber  
Public function void  

Overridden from ISequencerTrackEditor

  Type Name Description
Public function Virtual UMovieSceneTrack *

AddTrack ( UMovieScene* FocusedMovieScene,
const FGuid& ObjectHandle,
TSubclassOf< class UMovieSceneTrack > TrackClass,
FName UniqueTypeName
)

 Add a new track to the sequence.
Public function Virtual void

BindCommands ( TSharedRef< FUICommandList > SequencerCommandBindings
)

 Allows the track editors to bind commands.
Public function Virtual void

BuildAddTrackMenu ( FMenuBuilder& MenuBuilder
)

 Builds up the sequencer's "Add Track" menu.
Public function Virtual void Build a column widget for the specified object binding on the outliner
Public function Virtual void

BuildObjectBindingTrackMenu ( FMenuBuilder& MenuBuilder,
const TArray< FGuid >& ObjectBindings,
const UClass* ObjectClass
)

 Builds up the object binding track menu for the outliner.
Public function Virtual TSharedPtr< SWidget >

BuildOutlinerColumnWidget ( const FBuildColumnWidgetParams& Params,
const FName& ColumnName
)

 Builds an outliner column widget for the outliner nodes which represent tracks which are edited by this editor.
Public function Virtual TSharedPtr< SWidget >

BuildOutlinerEditWidget ( const FGuid& ObjectBinding,
UMovieSceneTrack* Track,
const FBuildEditWidgetParams& Params
)

 Builds an edit widget for the outliner nodes which represent tracks which are edited by this editor.
Public function Virtual void

BuildTrackContextMenu ( FMenuBuilder& MenuBuilder,
UMovieSceneTrack* Track
)

 Builds the context menu for the track.
Public function Virtual void

BuildTrackSidebarMenu ( FMenuBuilder& MenuBuilder,
UMovieSceneTrack* Track
)

 Builds the sidebar menu for the track.
Public function Virtual bool

HandleAssetAdded ( UObject* Asset,
const FGuid& TargetObjectGuid
)

 Called when an asset is dropped into Sequencer.
Public function Virtual TSharedRef< ISequencerSection >

MakeSectionInterface ( UMovieSceneSection& SectionObject,
UMovieSceneTrack& Track,
FGuid ObjectBinding
)

 Called to generate a section layout for a particular section.
Public function Virtual bool

OnAllowDrop ( const FDragDropEvent& DragDropEvent,
FSequencerDragDropParams& DragDropParams
)

 Called when attempting to drop an asset directly onto a track.
Public function Virtual FReply

OnDrop ( const FDragDropEvent& DragDropEvent,
const FSequencerDragDropParams& DragDropParams
)

 Called when an asset is dropped directly onto a track.
Public function Virtual void Called when the instance of this track editor is initialized
Public function Virtual void Called when the instance of this track editor is released
Public function Virtual Const bool Returns whether a sequence is supported by this tool.
Public function Const bool

SupportsType ( TSubclassOf< class UMovieSceneTrack > TrackClass
)

 Returns whether a track class is supported by this tool.
Public function Virtual void

Tick ( float DeltaTime
)

 Ticks this tool.

Classes

  Type Name Description
Public struct FFindOrCreateHandleResult    
Public struct FFindOrCreateRootTrackResult    
Public struct 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

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