75 lines
2.1 KiB
C++
75 lines
2.1 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 "UObject/ObjectMacros.h"
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#include "Widgets/SWidget.h"
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#include "Components/ContentWidget.h"
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#include "InvalidationBox.generated.h"
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class SInvalidationPanel;
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/**
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* Invalidate
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* * Single Child
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* * Caching / Performance
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*/
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UCLASS(MinimalAPI)
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class UInvalidationBox : public UContentWidget
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{
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GENERATED_UCLASS_BODY()
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public:
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/**
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*
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*/
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UE_DEPRECATED(4.27, "InvalidationCache is not used.")
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UFUNCTION(BlueprintCallable, Category="Invalidation Box", meta=(DeprecatedFunction))
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UMG_API void InvalidateCache();
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/**
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* @returns true when the invalidation box cache the widgets.
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* The widgets will be updated only if they get invalidated.
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*/
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UFUNCTION(BlueprintCallable, Category="Invalidation Box")
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UMG_API bool GetCanCache() const;
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/**
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* Tell the InvalidationBox to use the invalidation process.
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* @note the other internal flags can disable the option.
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*/
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UFUNCTION(BlueprintCallable, Category="Invalidation Box")
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UMG_API void SetCanCache(bool CanCache);
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UMG_API virtual void ReleaseSlateResources(bool bReleaseChildren) override;
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#if WITH_EDITOR
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UMG_API virtual const FText GetPaletteCategory() override;
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#endif
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protected:
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//~ Begin UPanelWidget interface
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UMG_API virtual void OnSlotAdded(UPanelSlot* Slot) override;
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UMG_API virtual void OnSlotRemoved(UPanelSlot* Slot) override;
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//~ End UPanelWidget interface
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//~ Begin UWidget interface
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UMG_API virtual TSharedRef<SWidget> RebuildWidget() override;
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//~ End UWidget interface
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protected:
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UE_DEPRECATED(5.2, "Direct access to bCanCache is deprecated. Please use the getter or setter.")
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/**
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* Should the invalidation panel cache the widgets? Making this false makes it so the invalidation
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* panel stops acting like an invalidation panel, just becomes a simple container widget.
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*/
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Getter = "GetCanCache", Setter = "SetCanCache", BlueprintGetter = "GetCanCache", BlueprintSetter = "SetCanCache", Category = "Caching")
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bool bCanCache;
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protected:
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TSharedPtr<class SInvalidationPanel> MyInvalidationPanel;
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};
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