1. Epic GamesDeveloper
  3. SequencerCore

SequencerCore

API > API/Editor

   
Name SequencerCore
Type Editor
Location /Engine/Source/Editor/SequencerCore/
Module Build Rules SequencerCore.Build.cs

Classes

Name Remarks
FAddOutlinerColumn  
FColorPickerOutlinerColumn  
FDeactivateOutlinerColumn A column for local (not serialized to the asset) muting/unmuting tracks.
FDeactiveStateCacheExtension  
FDynamicExtensionContainer Base class for supporting dynamic extensions that participate in dynamic casting.
FEditorSharedViewModelData  
FEditorViewModel This represents to root view-model for a sequencer-like editor.
FEditOutlinerColumn  
FGeometryExtensionShim Basic utility implementation of the IGeometryExtension interface
FHierarchicalCacheExtension  
FHoveredExtensionShim  
FInputHandlerStack Class responsible for handling input to multiple objects that reside at the same level in the widget hierarchy.
FKeyFrameOutlinerColumn  
FLabelOutlinerColumn Label Column
FLinkedOutlinerComputedSizingShim Simple mixin class for having computed sizing information on a linked outliner item.
FLinkedOutlinerExtension Extension for a model that is linked somehow to an outliner model.
FLockOutlinerColumn A column for locking/unlocking tracks.
FLockStateCacheExtension  
FMuteOutlinerColumn A column for muting/unmuting tracks.
FMuteStateCacheExtension  
FNavOutlinerColumn  
FOutlinerColumnBase  
FOutlinerExtensionShim Default implementation for some of the outliner extension API.
FOutlinerIndicatorBuilderBase  
FOutlinerSelection  
FOutlinerSpacer  
FOutlinerViewModel  
FOutlinerViewModelDragDropOp A decorated drag drop operation object for dragging sequencer outliner items.
FPinnableExtensionShim Default implementation for IPinnableExtension, with helper method to cache pinned states for children of a pinned branch
FSelectionBase Base class for all selection sets that can be added to an FSequencerCoreSelection owner.
FSequencerCoreSelection Core selection class that manages multiple different selection sets through FSelectionBase.
FSequencerOutlinerSelectionChanged  
FSharedViewModelData  
FSoloOutlinerColumn A column for soloing/unsoloing tracks.
FSoloStateCacheExtension  
FTrackAreaSlot Structure representing a slot in the track area.
FTrackAreaViewModel  
FTrackAreaViewSpace  
FViewModel Base class for a sequencer data model.
FViewModelHierarchyOperation Scoped utility class for batching change notifications on a view model hierarchy This class works by keeping track of models that have been changed in some way, along with their previous sibling and parent pointers before any change was made.
FViewSpaceClientExtensionShim An extension that is used for view models that represent UObject data
FVirtualTrackArea Structure used for handling the virtual space of the track area
SColumnToggleWidget Outliner Column Widget for toggling active state with click and drag functionality.
SCompoundTrackLaneView  
SKeyNavigationButtons A widget for navigating between keys on a sequencer track
SOutlinerColumnButton  
SOutlinerItemViewBase A widget for displaying a sequencer tree node in the animation outliner.
SOutlinerView The tree view used in the sequencer
SOutlinerViewRow Widget that represents a row in the sequencer's tree control.
STrackAreaLaneView  
STrackAreaView The area where tracks( rows of sections ) are displayed.
STrackLane A wrapper widget responsible for positioning a track lane within the section area
TFlagStateCacheExtension  
TSelectionSetBase Typed selection set for keeping track of an externally provided key type KeyType is what is stored within the selection set (ie, an FObjectKey, TWeakPtr or int32) MixinType is the type of the derived class.
TSharedListItem  
TUniqueFragmentSelectionSet Selection set that defines a fragment selection of a view model where each fragment is globally unique.
TWeakListItem  
USequencerOutlinerScriptingObject  
USequencerScriptingLayer  
USequencerViewModelStructExtensions Function library containing methods that should be hoisted onto FSequencerScriptingRanges

Structs

Name Remarks
FArrangedVirtualEntity  
FCachedKeys  
FCastableTypeTable  
FCommonOutlinerNames  
FCreateOutlinerColumnParams Parameters for creating an outliner column widget.
FCreateOutlinerContextMenuWidgetParams Parameters for building a context menu widget
FCreateOutlinerViewParams Parameters for creating an outliner item widget.
FCreateTrackLaneViewParams Parameters for creating a track lane widget
FDynamicExtensionContainerIterator  
FKeyBatchParameters  
FKeyDrawParams Structure defining how a key should be drawn
FKeyRenderer Utility class for efficiently drawing large numbers of keys on a track lane.
FKeyRendererPaintArgs Paint arguments required for painting keys on a sequencer track
FOutlinerColumnLayout  
FOutlinerColumnPosition  
FOutlinerSizing  
FParentFirstChildIterator A depth-first iterator into a hierarchy of data models.
FParentModelIterator Iterator going up the parent relationships towards the root
FScopedViewModelListHead Scoped object that adds a temporary child list to the specified model of the specified type.
FSelectionEventSuppressor Scoped object type that temporarily suppresses broadcast of selection events
FSequencerViewModelScriptingStruct  
FSortingKey Structure for sorting models of various types together.
FStretchParameters  
FStretchScreenParameters  
FTimeToPixel Utility for converting time units to slate pixel units and vice versa This class will eventually be deprecated in favor of UE::Sequencer::FTimeToPixelSpace
FTimeToPixelSpace Utility for converting time units to slate pixel units and vice versa
FTrackAreaParameters  
FTrackAreaViewLayers  
FTrackLaneScreenAlignment  
FTrackLaneVerticalAlignment  
FTrackLaneVerticalArrangement  
FTrackLaneVirtualAlignment  
FViewDensityInfo  
FViewModelChildren  
FViewModelExtensionCollection Utility class for maintaining a list of view-models that implement a given extension in a given hierarchy.
FViewModelIterationState Iterator state that wraps a view model and handles incrementing/decrementing its ActiveIterationCount while active
FViewModelListHead Defines the head of a linked list of view models.
FViewModelListIterator Iterates all models contained in the specified list chain
FViewModelListLink Intrusive linked-list of data models
FViewModelSubListIterator Iterates all models that exist in a single list from the start model
FViewModelTypeID  
FViewModelVariantIterator An iterator that can accomodate different types of data model lists, arrays, etc.
FVirtualGeometry Virtual bounding box information for track area elements.
INonLinearTimeTransform  
ISequencerInputHandler Common base-class for objects that handle input in the sequencer.
ITrackAreaHotspot A sequencer hotspot is used to identify specific areas on the sequencer track area
TAutoRegisterViewModelTypeID  
TDynamicExtensionContainerIterator  
TDynamicExtensionContainerIteratorProxy  
TFilteredSelectionSetIteratorImpl  
TFilteredViewModelSelectionIterator  
TImplements  
TImplicitViewModelCastImpl Shared/weak extension pointer forward declarations - include MVVM/ViewModelPtr.h for complete declarations
TImplicitWeakViewModelPin Proxy type that combines a Pin() and Cast() of a weak view model ptr, gracefully handling null.
TPopulatableIteratorMixin WARNING: most of the class and methods in this header are not safe to use from a view-model's constructor because they rely on shared-pointers to be available for that view-model.
TSelectionSetIteratorImpl Minimal traits class for iterator implementations.
TSelectionSetIteratorState Selection iterator class that iterates a given selection set using specialized behavior for weak pointers
TTypedIterator  
TTypedIteratorBase Utility class to wrap an untyped iterator (one that only returns FViewModel pointers) so that it can be used as a typed iterator.
TUniqueFragmentSelectionSetIterator Iterator for iterating unique fragment selection sets
TViewModelConversions  
TViewModelExtensionCollection Strongly typed version of FViewModelExtensionCollection
TViewModelPtr Pointer type that wraps a shared view model pointer to provide implicit dynamic_cast style casting to any other view-model or extension.
TViewModelPtrStorage Storage selector implemented as a type alias to defer instantiation and allow use with fwd declared types
TViewModelTypeID  
TWeakViewModelConversions Weak pointer utility for view models that also provides the same explicit conversion utility as F/TViewModelPtr Using this pointer type allows for expressive null handling and casting in a simple function call for any extension type which is useful for many widgets:
TWeakViewModelPtr Templated version of FWeakViewModelPtr that provides an additional self-documenting extension that should exist on the view model.

Interfaces

Name Remarks
ICastable  
ICompoundOutlinerExtension Extension for outliner models that want to compute their and their children's sizing.
IDeactivatableExtension An extension for outliner nodes that can be deactivated
IDeletableExtension  
IDimmableExtension  
IDraggableOutlinerExtension Extension for models that can be dragged
IDraggableTrackAreaExtension Extension for models that can be dragged
IDragOperation Interface for drag operations
IDroppableExtension Extension for models that can be dragged
IDynamicExtension Base class for dynamic extensions that can be added to sequence data models and participate in dynamic casting.
IGeometryExtension Interface for data models who can store virtual geometry information
IGroupableExtension  
IHierarchicalCache  
IHotspotExtension  
IHoveredExtension  
IKeyExtension  
IKeyRendererInterface Interface for defining selection states for keys
ILayerBarExtension  
ILockableExtension An extension for models that can be locked
IMutableExtension An extension for outliner nodes that can be muted
IObjectModelExtension An extension that is used for view models that represent UObject data
IOutlinerColumn Interface for sequencer outliner columns.
IOutlinerDropTargetOutlinerExtension Extension for outliner items that accept drag and drop.
IOutlinerExtension Extension interface for models that can be displayed in the outliner view.
IOutlinerIndicatorBuilder Interface for building sequencer indicator outliner items.
IPinnableExtension An extension for outliner nodes that can be pinned at the top
IRecyclableExtension  
IRenameableExtension  
IResizableExtension  
ISelectableExtension  
ISequencerCoreModule Interface for the Sequencer module.
ISequencerEditTool Interface for edit tools in Sequencer.
ISequencerEditToolDragOperation Interface for drag and drop operations that are handled by edit tools in Sequencer.
ISequencerTreeView  
ISequencerTreeViewRow Facade class to allow SOutlinerViewRow to be passed around publicly
ISoloableExtension An extension for outliner nodes that can be made 'solo'
ISortableExtension Extension for models that can sort their children, and be sorted themselves among their siblings
IStretchableExtension  
IStretchOperation  
ITopTimeSliderOverlayExtension This extension allows you to paint custom geometry in the time slider area.
ITrackAreaExtension This extension can be added to any model in order to provide a list of models that are relevent to the track area
ITrackAreaOverlayExtension This extension allows you to paint custom geometry in the track area.
ITrackAreaViewSpaceProviderExtension An extension that supplies view spaces to a track area.
ITrackLaneExtension Extension for view-models that can create track lanes in the track area
ITrackLaneWidget Base interface for track-area lanes
ITrackLaneWidgetSpace Interface used for laying out track lane widgets in screen space
IViewSpaceClientExtension An extension that is used for view models that represent UObject data

Typedefs

Name Type Remarks Include Path
FConstViewModelPtr TViewModelPtr< const FViewModel >   SequencerCoreFwd.h
FDynamicExtensionCallback TBaseDelegate_OneParam< void, TSharedRef< FViewModel > >   MVVM/Extensions/DynamicExtensionContainer.h
FOnTrackAreaHotspotChanged TMulticastDelegate_OneParam< void, TSharedPtr< ITrackAreaHotspot > >   MVVM/ViewModels/TrackAreaViewModel.h
FPreUpdateCachesEvent TMulticastDelegate_OneParam< void, FViewModelPtr >   MVVM/Extensions/HierarchicalCacheExtension.h
FViewModelPtr TViewModelPtr< FViewModel >   SequencerCoreFwd.h
FWeakViewModelPtr TWeakViewModelPtr< FViewModel >   SequencerCoreFwd.h
TFilteredViewModelSelectionIteratorState TSelectionSetIteratorState< StorageKeyType, TFilteredSelectionSetIteratorImpl< StorageKeyType, FilterType > > Filtered iterator for a TSelectionSet> that iterates only the items of a specific filtered type MVVM/Selection/SequencerCoreSelectionIterators.h
TImplicitViewModelCast TImplicitViewModelCastImpl< ViewModelType, false >   SequencerCoreFwd.h
TImplicitViewModelCastChecked TImplicitViewModelCastImpl< ViewModelType, true >   SequencerCoreFwd.h
TParentFirstChildIterator TTypedIterator< T, FParentFirstChildIterator >   SequencerCoreFwd.h
TParentModelIterator TTypedIterator< T, FParentModelIterator >   SequencerCoreFwd.h
TViewModelListIterator TTypedIterator< T, FViewModelListIterator >   SequencerCoreFwd.h
TViewModelSubListIterator TTypedIterator< T, FViewModelSubListIterator >   SequencerCoreFwd.h

Enums

Public

Name Remarks
EKeyConnectionStyle  
UE::Sequencer::ECachedDeactiveState  
UE::Sequencer::ECachedLockState  
UE::Sequencer::ECachedMuteState  
UE::Sequencer::ECachedSoloState  
UE::Sequencer::EDeactivatableState  
UE::Sequencer::EKeyNavigationButtons  
UE::Sequencer::EKeySelectionPreviewState Key selection preview state - mirrored from FSequencer while selection concepts are ported to SequencerCore
UE::Sequencer::ELockableLockState  
UE::Sequencer::EOutlinerColumnFlags  
UE::Sequencer::EOutlinerColumnGroup  
UE::Sequencer::EOutlinerColumnSizeMode  
UE::Sequencer::EOutlinerItemViewBaseStyle  
UE::Sequencer::EOutlinerSelectionState  
UE::Sequencer::EOutlinerSizingFlags  
UE::Sequencer::ESelectionIntent Enumeration specifying the type of interaction that instigated the selection This allows models to opt-into selection in some contexts while refusing selection in others
UE::Sequencer::ESortingMode  
UE::Sequencer::EStretchConstraint  
UE::Sequencer::EStretchResult  
UE::Sequencer::ETrackAreaLaneType  
UE::Sequencer::ETreeRecursion  
UE::Sequencer::EViewDensity  
UE::Sequencer::EViewDependentCacheFlags Flag enum signifying how the cache has changed since it was last generated
UE::Sequencer::EViewModelListType Model list for defining logical groupings of children within a view model Custom list types can be registered using RegisterCustomModelListType

Functions

Public

Name Remarks Include Path Unreal Specifiers

bool operator! ( EKeyConnectionStyle E
)

   MVVM/Views/KeyDrawParams.h  
  MVVM/Views/KeyDrawParams.h  
  MVVM/Views/KeyDrawParams.h  
  MVVM/Views/KeyDrawParams.h  
  MVVM/Views/KeyDrawParams.h  
  MVVM/Views/KeyDrawParams.h  
  MVVM/Views/KeyDrawParams.h  
  MVVM/Views/KeyDrawParams.h  

TViewModelPtr< OutModelType > UE::Sequencer::CastViewModel ( const TSharedRef< InModelType >& InViewModel
)

   MVVM/ViewModelPtr.h  

TViewModelPtr< OutModelType > UE::Sequencer::CastViewModel ( const TSharedPtr< InModelType >& InViewModel
)

   MVVM/ViewModelPtr.h  

TViewModelPtr< OutModelType > UE::Sequencer::CastViewModel ( const TViewModelPtr< InModelType >& InViewModel
)

   MVVM/ViewModelPtr.h  

TViewModelPtr< OutModelType > UE::Sequencer::CastViewModelChecked ( const TSharedRef< InModelType >& InViewModel
)

   MVVM/ViewModelPtr.h  

TViewModelPtr< OutModelType > UE::Sequencer::CastViewModelChecked ( const TSharedPtr< InModelType >& InViewModel
)

   MVVM/ViewModelPtr.h  

TViewModelPtr< OutModelType > UE::Sequencer::CastViewModelChecked ( const TViewModelPtr< InModelType >& InViewModel
)

   MVVM/ViewModelPtr.h  

EnumType UE::Sequencer::CombinePropagatedChildFlags ( EnumType ParentFlags,
EnumType CombinedChildFlags
)

   MVVM/Extensions/HierarchicalCacheExtension.h  

TSharedPtr< T > UE::Sequencer::HotspotCast ( const TSharedPtr< ITrackAreaHotspot >& InHotspot
)

   MVVM/Views/ITrackAreaHotspot.h  
  MVVM/Extensions/IDeactivatableExtension.h  
  MVVM/Extensions/ILockableExtension.h  
  MVVM/Extensions/IMutableExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/ISelectableExtension.h  
  MVVM/Extensions/ISoloableExtension.h  
  MVVM/ViewModels/ViewModelHierarchy.h  
  MVVM/ViewModels/OutlinerColumns/OutlinerColumnTypes.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/SKeyNavigationButtons.h  
  MVVM/Extensions/IDeactivatableExtension.h  
  MVVM/Extensions/ILockableExtension.h  
  MVVM/Extensions/IMutableExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/ISelectableExtension.h  
  MVVM/Extensions/ISoloableExtension.h  
  MVVM/ViewModels/ViewModelHierarchy.h  
  MVVM/ViewModels/OutlinerColumns/OutlinerColumnTypes.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/SKeyNavigationButtons.h  
  MVVM/Extensions/IDeactivatableExtension.h  
  MVVM/Extensions/ILockableExtension.h  
  MVVM/Extensions/IMutableExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/ISelectableExtension.h  
  MVVM/Extensions/ISoloableExtension.h  
  MVVM/ViewModels/ViewModelHierarchy.h  
  MVVM/ViewModels/OutlinerColumns/OutlinerColumnTypes.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/SKeyNavigationButtons.h  
  MVVM/Extensions/IDeactivatableExtension.h  
  MVVM/Extensions/ILockableExtension.h  
  MVVM/Extensions/IMutableExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/ISelectableExtension.h  
  MVVM/Extensions/ISoloableExtension.h  
  MVVM/ViewModels/ViewModelHierarchy.h  
  MVVM/ViewModels/OutlinerColumns/OutlinerColumnTypes.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/SKeyNavigationButtons.h  
  MVVM/Extensions/IDeactivatableExtension.h  
  MVVM/Extensions/ILockableExtension.h  
  MVVM/Extensions/IMutableExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/ISelectableExtension.h  
  MVVM/Extensions/ISoloableExtension.h  
  MVVM/ViewModels/ViewModelHierarchy.h  
  MVVM/ViewModels/OutlinerColumns/OutlinerColumnTypes.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/SKeyNavigationButtons.h  
  MVVM/Extensions/IDeactivatableExtension.h  
  MVVM/Extensions/ILockableExtension.h  
  MVVM/Extensions/IMutableExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/ISelectableExtension.h  
  MVVM/Extensions/ISoloableExtension.h  
  MVVM/ViewModels/ViewModelHierarchy.h  
  MVVM/ViewModels/OutlinerColumns/OutlinerColumnTypes.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/SKeyNavigationButtons.h  
  MVVM/Extensions/IDeactivatableExtension.h  
  MVVM/Extensions/ILockableExtension.h  
  MVVM/Extensions/IMutableExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/ISelectableExtension.h  
  MVVM/Extensions/ISoloableExtension.h  
  MVVM/ViewModels/ViewModelHierarchy.h  
  MVVM/ViewModels/OutlinerColumns/OutlinerColumnTypes.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/SKeyNavigationButtons.h  
  MVVM/Extensions/IDeactivatableExtension.h  
  MVVM/Extensions/ILockableExtension.h  
  MVVM/Extensions/IMutableExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/IOutlinerExtension.h  
  MVVM/Extensions/ISelectableExtension.h  
  MVVM/Extensions/ISoloableExtension.h  
  MVVM/ViewModels/ViewModelHierarchy.h  
  MVVM/ViewModels/OutlinerColumns/OutlinerColumnTypes.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/KeyRenderer.h  
  MVVM/Views/SKeyNavigationButtons.h  

Ask questions and help your peers Developer Forums

Write your own tutorials or read those from others Learning Library

On this page