51 lines
2.0 KiB
C
51 lines
2.0 KiB
C
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#pragma once
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#include "CoreMinimal.h"
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#include "Blueprint/UserWidget.h"
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#include "EnhancedInputComponent.h"
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#include "LuprexUserWidget.generated.h"
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UCLASS(BlueprintType, Blueprintable)
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class INTEGRATION_API UlxUserWidget : public UUserWidget
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{
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GENERATED_BODY()
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public:
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using EventBinding = TUniquePtr<FEnhancedInputActionEventBinding>;
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UlxUserWidget(const FObjectInitializer& ObjectInitializer);
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virtual void NativeOnInitialized() override;
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// Clone every enhanced-input action binding currently on InputComponent
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// into SavedEnhancedActionEventBindings, so bindings can later be removed
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// from the component and reinstated without losing their delegates.
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void BackupInputComponent();
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// Remove every live event binding whose action is InputAction.
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// No-op if there are none, or if InputComponent isn't enhanced.
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UFUNCTION(BlueprintCallable, Category="Luprex|Widget Enhanced Input")
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void DisableEventBinding(const UInputAction* InputAction);
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// Replace any live bindings for InputAction with fresh clones of every
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// saved binding for that action. Leaves the backup array intact so this
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// can be called repeatedly.
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UFUNCTION(BlueprintCallable, Category="Luprex|Widget Enhanced Input")
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void RestoreInputBinding(const UInputAction* InputAction);
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// Install live bindings on From that, when fired, dispatch through a
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// clone of each saved binding for To. Clears any pre-existing live
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// bindings on From first. Backup array is untouched.
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UFUNCTION(BlueprintCallable, Category="Luprex|Widget Enhanced Input")
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void RedirectInputAction(const UInputAction* From, const UInputAction* To);
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// Cloned bindings captured from InputComponent after construction.
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TArray<EventBinding> SavedEnhancedActionEventBindings;
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private:
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// Strip the synthetic const off UEnhancedInputComponent::GetActionEventBindings
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// to get direct mutable access to the protected array. Well-defined because
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// the underlying object is not const; only the getter's return type is.
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static TArray<EventBinding>& GetMutableActionEventBindings(UEnhancedInputComponent* EIC);
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};
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