149 lines
4.4 KiB
C++
149 lines
4.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Roles/LiveLinkAnimationTypes.h"
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#include "SlateFwd.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#include "Widgets/SWidget.h"
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#include "Widgets/SCompoundWidget.h"
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#include "Widgets/Views/STableViewBase.h"
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#include "Widgets/Views/STableRow.h"
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#include "Widgets/Views/STreeView.h"
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#define UE_API LIVELINKEDITOR_API
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class IEditableSkeleton;
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class SComboButton;
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DECLARE_DELEGATE_OneParam(FOnBoneSelectionChanged, FName);
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DECLARE_DELEGATE_RetVal(FName, FGetSelectedBone);
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class SLiveLinkBoneTreeMenu : public SCompoundWidget
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{
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public:
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/** Storage object for bone hierarchy */
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struct FBoneNameInfo
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{
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FBoneNameInfo(FName Name) : BoneName(Name) {}
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FName BoneName;
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TArray<TSharedPtr<FBoneNameInfo>> Children;
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};
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SLATE_BEGIN_ARGS(SLiveLinkBoneTreeMenu)
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: _OnBoneSelectionChanged()
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{}
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SLATE_ARGUMENT(FText, Title)
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SLATE_ARGUMENT(FName, SelectedBone)
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SLATE_EVENT(FOnBoneSelectionChanged, OnBoneSelectionChanged)
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SLATE_END_ARGS();
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/**
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* Construct this widget
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*
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* @param InArgs The declaration data for this widget
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*/
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UE_API void Construct(const FArguments& InArgs, TOptional<FLiveLinkSkeletonStaticData> SkeletonStaticData);
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/** Get the filter text widget, e.g. for focus */
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UE_API TSharedPtr<SWidget> GetFilterTextWidget();
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private:
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/** SWidget interface */
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UE_API virtual FReply OnKeyDown(const FGeometry& MyGeometry, const FKeyEvent& InKeyEvent) override;
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/** Using the current filter, repopulate the tree view */
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UE_API void RebuildBoneList(const FName& SelectedBone);
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/** Make a single tree row widget */
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UE_API TSharedRef<ITableRow> MakeTreeRowWidget(TSharedPtr<FBoneNameInfo> InInfo, const TSharedRef<STableViewBase>& OwnerTable);
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/** Get the children for the provided bone info */
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UE_API void GetChildrenForInfo(TSharedPtr<FBoneNameInfo> InInfo, TArray< TSharedPtr<FBoneNameInfo> >& OutChildren);
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/** Called when the user changes the search filter */
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UE_API void OnFilterTextChanged(const FText& InFilterText);
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/** Handle the tree view selection changing */
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UE_API void OnSelectionChanged(TSharedPtr<SLiveLinkBoneTreeMenu::FBoneNameInfo> BoneInfo, ESelectInfo::Type SelectInfo);
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/** Select a specific bone, helper for UI handler functions */
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UE_API void SelectBone(TSharedPtr<SLiveLinkBoneTreeMenu::FBoneNameInfo> BoneInfo);
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/** Tree info entries for bone picker */
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TArray<TSharedPtr<FBoneNameInfo>> SkeletonTreeInfo;
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/** Mirror of SkeletonTreeInfo but flattened for searching */
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TArray<TSharedPtr<FBoneNameInfo>> SkeletonTreeInfoFlat;
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/** Text to filter bone tree with */
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FText FilterText;
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/** Tree view used in the button menu */
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TSharedPtr<STreeView<TSharedPtr<FBoneNameInfo>>> TreeView;
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/** Filter text widget */
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TSharedPtr<SSearchBox> FilterTextWidget;
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/** Delegate called when a bone is selected. */
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FOnBoneSelectionChanged OnSelectionChangedDelegate;
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/** Static data used to populate the bone list. */
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FLiveLinkSkeletonStaticData SkeletonStaticData;
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};
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class SLiveLinkBoneSelectionWidget : public SCompoundWidget
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{
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public:
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SLATE_BEGIN_ARGS(SLiveLinkBoneSelectionWidget)
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: _OnBoneSelectionChanged()
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, _OnGetSelectedBone()
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{}
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/** set selected bone name */
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SLATE_EVENT(FOnBoneSelectionChanged, OnBoneSelectionChanged);
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/** get selected bone name **/
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SLATE_EVENT(FGetSelectedBone, OnGetSelectedBone);
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SLATE_END_ARGS();
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/**
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* Construct this widget
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*
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* @param InArgs The declaration data for this widget
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*/
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UE_API void Construct(const FArguments& InArgs, const FLiveLinkSubjectKey& InSubjectKey);
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/** Set the subject for which we will list the bones. */
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UE_API void SetSubject(const FLiveLinkSubjectKey& InSubjectKey);
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/** Utility method to create fake static data from a frame translator. */
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UE_API FLiveLinkSkeletonStaticData MakeStaticDataFromTranslator(const FLiveLinkSubjectKey& SubjectKey) const;
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private:
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/** Creates the combo button menu when clicked */
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UE_API TSharedRef<SWidget> CreateSkeletonWidgetMenu();
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/** Called when the user selects a bone name */
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UE_API void OnSelectionChanged(FName BoneName);
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/** Gets the current bone name, used to get the right name for the combo button */
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UE_API FText GetCurrentBoneName() const;
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/** Base combo button */
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TSharedPtr<SComboButton> BonePickerButton;
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/** Subject that for which we are selecting a bone. */
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FLiveLinkSubjectKey SubjectKey;
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// Delegates
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FOnBoneSelectionChanged OnBoneSelectionChanged;
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FGetSelectedBone OnGetSelectedBone;
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};
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#undef UE_API
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