WidgetStateSettings.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Containers/ContainerAllocationPolicies.h"
#include "Engine/DeveloperSettings.h"
#include "UObject/Object.h"
#include "UObject/SoftObjectPath.h"
 
#include "WidgetStateSettings.generated.h"
 
class UWidget;
 
struct FWidgetStateBitfield;
class UWidgetBinaryStateRegistration;
class UWidgetEnumStateRegistration;
 
UCLASS(config = Game, defaultconfig, MinimalAPI)
class UWidgetStateSettings : public UDeveloperSettings
{
    GENERATED_BODY()
 
public:
        
    static const UWidgetStateSettings* Get() 
    { 
        return GetDefault<UWidgetStateSettings>();
    }
 
    //~ Begin UObject Interface.
    UMG_API virtual void PostInitProperties() override;
    //~ End UObject Interface
 
public:
 
    UMG_API void GetAllStateNames(TArray<FName>& OutStateNames) const;
 
    UMG_API void GetBinaryStateNames(TArray<FName>& OutBinaryStateNames) const;
 
    UMG_API void GetEnumStateNames(TArray<FName>& OutEnumStateNames) const;
 
    UMG_API uint8 GetBinaryStateIndex(const FName InBinaryStateName) const;
 
    UMG_API uint8 GetEnumStateIndex(const FName InEnumStateName) const;
 
    UMG_API FName GetBinaryStateName(const uint8 InBinaryStateIndex) const;
 
    UMG_API FName GetEnumStateName(const uint8 InEnumStateIndex) const;
 
    UMG_API FWidgetStateBitfield GetInitialRegistrationBitfield(const UWidget* InWidget) const;
 
private:
    TMap<FName, uint8, TInlineSetAllocator<32>> BinaryStateMap;
 
    TMap<FName, uint8, TInlineSetAllocator<8>> EnumStateMap;
 
    TArray<FName, TInlineAllocator<32>> BinaryStates;
 
    TArray<FName, TInlineAllocator<8>> EnumStates;
 
    TArray<TObjectPtr<UWidgetBinaryStateRegistration>, TInlineAllocator<32>> BinaryStateRegistrationCDOs;
 
    TArray<TObjectPtr<UWidgetEnumStateRegistration>, TInlineAllocator<8>> EnumStateRegistrationCDOs;
};