93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "MVVM/Extensions/IDraggableTrackAreaExtension.h"
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#include "MVVM/Extensions/ILayerBarExtension.h"
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#include "MVVM/Extensions/ISelectableExtension.h"
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#include "MVVM/Extensions/ISnappableExtension.h"
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#include "MVVM/Extensions/IStretchableExtension.h"
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#include "MVVM/Extensions/ITrackLaneExtension.h"
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#include "MVVM/Extensions/LinkedOutlinerExtension.h"
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#include "MVVM/Extensions/ViewModelExtensionCollection.h"
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#include "MVVM/ICastable.h"
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#include "MVVM/ViewModels/ViewModel.h"
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#include "Math/Range.h"
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#include "Templates/SharedPointer.h"
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#define UE_API SEQUENCER_API
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namespace UE::Sequencer { class ILayerBarExtension; }
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namespace UE::Sequencer { template <typename T> struct TAutoRegisterViewModelTypeID; }
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struct FFrameNumber;
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namespace UE
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{
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namespace Sequencer
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{
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class FSequenceModel;
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class FLayerBarModel
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: public FViewModel
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, public FLinkedOutlinerExtension
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, public ITrackLaneExtension
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, public ISelectableExtension
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, public ISnappableExtension
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, public IDraggableTrackAreaExtension
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, public IStretchableExtension
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, protected TViewModelExtensionCollection<ILayerBarExtension>
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{
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public:
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UE_SEQUENCER_DECLARE_CASTABLE_API(UE_API, FLayerBarModel, FViewModel
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, FLinkedOutlinerExtension
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, ITrackLaneExtension
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, ISelectableExtension
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, ISnappableExtension
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, IDraggableTrackAreaExtension
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, IStretchableExtension
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);
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UE_API FLayerBarModel(TWeakPtr<FViewModel> LayerRoot);
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UE_API ~FLayerBarModel();
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/*~ ITrackLaneExtension Interface */
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UE_API TSharedPtr<ITrackLaneWidget> CreateTrackLaneView(const FCreateTrackLaneViewParams& InParams) override;
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UE_API FTrackLaneVirtualAlignment ArrangeVirtualTrackLaneView() const override;
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/*~ ISelectableExtension Interface */
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UE_API ESelectionIntent IsSelectable() const override;
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/*~ ISnappableExtension Interface */
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UE_API void AddToSnapField(const ISnapCandidate& Candidate, ISnapField& SnapField) const override;
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/*~ IDraggableTrackAreaExtension Interface */
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UE_API bool CanDrag() const override;
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UE_API void OnBeginDrag(IDragOperation& DragOperation) override;
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UE_API void OnEndDrag(IDragOperation& DragOperation) override;
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/*~ IStretchableExtension Interface */
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UE_API void OnInitiateStretch(IStretchOperation& StretchOperation, EStretchConstraint Constraint, FStretchParameters* InOutGlobalParameters) override;
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public:
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UE_API TRange<FFrameNumber> ComputeRange() const;
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UE_API void Offset(FFrameNumber Offset);
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private:
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/*~ FViewModel interface */
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UE_API void OnConstruct() override;
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UE_API void OnDestruct() override;
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/*~ TViewModelExtensionCollection Interface */
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UE_API void OnExtensionsDirtied() override;
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};
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} // namespace Sequencer
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} // namespace UE
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#undef UE_API
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