Files
UnrealEngine/Engine/Plugins/Experimental/UIFramework/Source/Public/Widgets/UIFStackBox.h
2025-05-18 13:04:45 +08:00

141 lines
4.1 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "Types/UIFSlotBase.h"
#include "UIFWidget.h"
#include "UIFStackBox.generated.h"
#define UE_API UIFRAMEWORK_API
struct FUIFrameworkWidgetId;
class UUIFrameworkStackBox;
struct FUIFrameworkStackBoxSlotList;
/**
*
*/
USTRUCT(BlueprintType)
struct FUIFrameworkStackBoxSlot : public FUIFrameworkSlotBase
{
GENERATED_BODY()
friend UUIFrameworkStackBox;
friend FUIFrameworkStackBoxSlotList;
/** Horizontal alignment of the widget inside the slot. */
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "UI Framework")
TEnumAsByte<EHorizontalAlignment> HorizontalAlignment = EHorizontalAlignment::HAlign_Fill;
/** Vertical alignment of the widget inside the slot. */
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "UI Framework")
TEnumAsByte<EVerticalAlignment> VerticalAlignment = EVerticalAlignment::VAlign_Fill;
/** Distance between that surrounds the widget inside the slot. */
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "UI Framework")
FMargin Padding = FMargin(0.f, 0.f, 0.f, 0.f);
/** How much space this slot should occupy in the direction of the panel. */
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "UI Framework")
FSlateChildSize Size = FSlateChildSize(ESlateSizeRule::Automatic);
private:
/** Index in the array the Slot is. The position in the array can change when replicated. */
UPROPERTY()
int32 Index = INDEX_NONE;
};
/**
*
*/
USTRUCT()
struct FUIFrameworkStackBoxSlotList : public FFastArraySerializer
{
GENERATED_BODY()
FUIFrameworkStackBoxSlotList() = default;
FUIFrameworkStackBoxSlotList(UUIFrameworkStackBox* InOwner)
: Owner(InOwner)
{}
public:
//~ Begin of FFastArraySerializer
UE_API void PostReplicatedChange(const TArrayView<int32>& ChangedIndices, int32 FinalSize);
//~ End of FFastArraySerializer
UE_API bool NetDeltaSerialize(FNetDeltaSerializeInfo& DeltaParms);
UE_API void AddEntry(FUIFrameworkStackBoxSlot Entry);
UE_API bool RemoveEntry(UUIFrameworkWidget* Widget);
UE_API FUIFrameworkStackBoxSlot* FindEntry(FUIFrameworkWidgetId WidgetId);
UE_API void ForEachChildren(const TFunctionRef<void(UUIFrameworkWidget*)>& Func);
private:
UPROPERTY()
TArray<FUIFrameworkStackBoxSlot> Slots;
UPROPERTY(NotReplicated, Transient)
TObjectPtr<UUIFrameworkStackBox> Owner;
};
template<>
struct TStructOpsTypeTraits<FUIFrameworkStackBoxSlotList> : public TStructOpsTypeTraitsBase2<FUIFrameworkStackBoxSlotList>
{
enum { WithNetDeltaSerializer = true };
};
/**
*
*/
UCLASS(MinimalAPI, DisplayName="StackBox UIFramework")
class UUIFrameworkStackBox : public UUIFrameworkWidget
{
GENERATED_BODY()
friend FUIFrameworkStackBoxSlotList;
public:
UE_API UUIFrameworkStackBox();
private:
/** The orientation of the stack box. */
UPROPERTY(ReplicatedUsing="OnRep_Orientation", EditAnywhere, BlueprintReadWrite, Setter, Getter, Category = "UI Framework", meta = (AllowPrivateAccess = "true"))
TEnumAsByte<EOrientation> Orientation = EOrientation::Orient_Horizontal;
public:
UFUNCTION(BlueprintCallable, BlueprintAuthorityOnly, Category = "UI Framework")
UE_API void AddWidget(FUIFrameworkStackBoxSlot Widget);
UFUNCTION(BlueprintCallable, BlueprintAuthorityOnly, Category = "UI Framework")
UE_API void RemoveWidget(UUIFrameworkWidget* Widget);
/** Get the orientation of the stack box. */
UE_API EOrientation GetOrientation() const;
/** Set the orientation of the stack box. The existing elements will be rearranged. */
UE_API void SetOrientation(EOrientation Value);
UE_API virtual void AuthorityForEachChildren(const TFunctionRef<void(UUIFrameworkWidget*)>& Func) override;
UE_API virtual void AuthorityRemoveChild(UUIFrameworkWidget* Widget) override;
UE_API virtual void LocalAddChild(FUIFrameworkWidgetId ChildId) override;
UE_API virtual void LocalOnUMGWidgetCreated() override;
private:
UE_API void AddEntry(FUIFrameworkStackBoxSlot Entry);
UE_API bool RemoveEntry(UUIFrameworkWidget* Widget);
UE_API FUIFrameworkStackBoxSlot* FindEntry(FUIFrameworkWidgetId WidgetId);
UFUNCTION()
UE_API void OnRep_Orientation();
private:
UPROPERTY(Replicated)
FUIFrameworkStackBoxSlotList ReplicatedSlotList;
};
#undef UE_API