190 lines
6.0 KiB
C++
190 lines
6.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "MVVM/ViewModels/ViewModel.h"
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#include "MVVM/ViewModels/OutlinerItemModel.h"
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#include "MVVM/Extensions/IGeometryExtension.h"
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#include "MVVM/Extensions/IGroupableExtension.h"
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#include "MVVM/Extensions/IRenameableExtension.h"
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#include "MVVM/Extensions/IResizableExtension.h"
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#include "MVVM/Extensions/ISortableExtension.h"
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#include "MVVM/Extensions/ITrackAreaExtension.h"
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#include "MVVM/Extensions/ILockableExtension.h"
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#include "MVVM/Extensions/ITrackExtension.h"
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#include "MVVM/Extensions/IDeletableExtension.h"
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#include "MVVM/Extensions/IDraggableOutlinerExtension.h"
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#include "MVVM/Extensions/IDeletableExtension.h"
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#include "MVVM/Extensions/IConditionableExtension.h"
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#include "MVVM/ViewModels/ViewModelHierarchy.h"
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#include "EventHandlers/ISignedObjectEventHandler.h"
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#include "MovieSceneSignedObject.h"
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#include "UObject/WeakObjectPtr.h"
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#include "UObject/WeakObjectPtrTemplates.h"
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#define UE_API SEQUENCER_API
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class ISequencer;
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class ISequencerSection;
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class ISequencerTrackEditor;
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class UMovieSceneTrack;
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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 FSectionModel;
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class FTrackModel
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: public FEvaluableOutlinerItemModel
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, public IRenameableExtension
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, public IResizableExtension
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, public ITrackExtension
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, public ITrackAreaExtension
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, public ILockableExtension
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, public IGroupableExtension
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, public ISortableExtension
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, public IDraggableOutlinerExtension
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, public IDeletableExtension
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, public IConditionableExtension
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, public UE::MovieScene::TIntrusiveEventHandler<UE::MovieScene::ISignedObjectEventHandler>
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, public UE::MovieScene::IDeferredSignedObjectFlushSignal
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{
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public:
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UE_SEQUENCER_DECLARE_CASTABLE_API(UE_API, FTrackModel
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, FEvaluableOutlinerItemModel
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, IRenameableExtension
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, IResizableExtension
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, ITrackExtension
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, ITrackAreaExtension
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, ILockableExtension
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, IGroupableExtension
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, ISortableExtension
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, IDraggableOutlinerExtension
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, IDeletableExtension
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, IConditionableExtension);
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UE_API explicit FTrackModel(UMovieSceneTrack* Track);
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UE_API ~FTrackModel();
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UE_API FViewModelChildren GetTopLevelChannels();
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public:
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static UE_API EViewModelListType GetTopLevelChannelType();
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static UE_API EViewModelListType GetTopLevelChannelGroupType();
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/*~ ITrackExtension */
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UE_API UMovieSceneTrack* GetTrack() const override;
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UE_API int32 GetRowIndex() const override;
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UE_API FViewModelChildren GetSectionModels() override;
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UE_API TSharedPtr<ISequencerTrackEditor> GetTrackEditor() const override;
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/*~ ISignedObjectEventHandler */
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UE_API void OnModifiedDirectly(UMovieSceneSignedObject*) override;
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UE_API void OnModifiedIndirectly(UMovieSceneSignedObject*) override;
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/* IDeferredSignedObjectFlushSignal */
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UE_API virtual void OnDeferredModifyFlush() override;
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/*~ IOutlinerExtension */
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UE_API FOutlinerSizing GetOutlinerSizing() const override;
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UE_API TSharedPtr<SWidget> CreateOutlinerViewForColumn(const FCreateOutlinerViewParams& InParams, const FName& InColumnName) override;
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UE_API FSlateFontInfo GetLabelFont() const override;
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UE_API const FSlateBrush* GetIconBrush() const override;
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UE_API FText GetLabel() const override;
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UE_API FSlateColor GetLabelColor() const override;
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UE_API FText GetLabelToolTipText() const override;
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/*~ IDimmableExtension */
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UE_API bool IsDimmed() const override;
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/*~ IResizableExtension */
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UE_API bool IsResizable() const override;
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UE_API void Resize(float NewSize) override;
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/*~ ILockableExtension Interface */
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UE_API ELockableLockState GetLockState() const override;
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UE_API void SetIsLocked(bool bIsLocked) override;
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/*~ IConditionableExtension Interface */
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UE_API const UMovieSceneCondition* GetCondition() const override;
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UE_API EConditionableConditionState GetConditionState() const override;
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UE_API void SetConditionEditorForceTrue(bool bEditorForceTrue) override;
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/*~ ITrackAreaExtension */
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UE_API FTrackAreaParameters GetTrackAreaParameters() const override;
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UE_API FViewModelVariantIterator GetTrackAreaModelList() const override;
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UE_API FViewModelVariantIterator GetTopLevelChildTrackAreaModels() const override;
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/*~ ICurveEditorTreeItem */
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UE_API void CreateCurveModels(TArray<TUniquePtr<FCurveModel>>& OutCurveModels) override;
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/*~ IGroupableIdentifier */
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UE_API void GetIdentifierForGrouping(TStringBuilder<128>& OutString) const override;
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/*~ IRenameableExtension */
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UE_API bool CanRename() const override;
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UE_API void Rename(const FText& NewName) override;
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UE_API bool IsRenameValidImpl(const FText& NewName, FText& OutErrorMessage) const override;
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/*~ ISortableExtension */
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UE_API void SortChildren() override;
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UE_API FSortingKey GetSortingKey() const override;
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UE_API void SetCustomOrder(int32 InCustomOrder) override;
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/*~ IDraggableOutlinerExtension */
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UE_API bool CanDrag() const override;
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/*~ FOutlinerItemModel */
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UE_API bool HasCurves() const override;
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UE_API void BuildContextMenu(FMenuBuilder& MenuBuilder) override;
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UE_API bool GetDefaultExpansionState() const override;
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UE_API void BuildSidebarMenu(FMenuBuilder& MenuBuilder) override;
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/*~ IDeletableExtension */
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UE_API bool CanDelete(FText* OutErrorMessage) const override;
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UE_API void Delete() override;
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/*~ IMutableExtension */
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UE_API bool IsMuted() const override;
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UE_API void SetIsMuted(bool bIsMuted) override;
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/*~ ISoloableExtension */
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UE_API bool IsSolo() const override;
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UE_API void SetIsSoloed(bool bIsSoloed) override;
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/*~ FViewModel interface */
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UE_API virtual void OnConstruct() override;
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private:
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UE_API void ForceUpdate();
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UE_API bool FindBoundObjects(TArray<UObject*>& OutBoundObjects) const;
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/** A second children list for the sections inside this track */
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FViewModelListHead SectionList;
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FViewModelListHead TopLevelChannelList;
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/** The actual track wrapped by this data model */
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TWeakObjectPtr<UMovieSceneTrack> WeakTrack;
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// @todo_sequencer_mvvm: move all the track editor behavior into the view model
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TSharedPtr<ISequencerTrackEditor> TrackEditor;
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bool bNeedsUpdate;
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int32 PreviousLayoutNumRows = -1;
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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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