More work on Prompt Widget

Source/Integration/PromptWidget.h

@@ -7,6 +7,7 @@
 #include "Widgets/SOverlay.h"
 #include "Widgets/Layout/SBox.h"
 #include "Widgets/Layout/SScaleBox.h"
+#include "Containers/Ticker.h"
 #include "PromptWidget.generated.h"
 
 class UInputAction;
@@ -62,8 +63,6 @@ public:
 	UFUNCTION(BlueprintCallable, Category="Prompt")
 	void SetDepressed(bool InDepressed);
 
-	UFUNCTION()
-	void OnHardwareDeviceChanged(const FPlatformUserId UserId, const FInputDeviceId DeviceId);
 
 protected:
 	virtual TSharedRef<SWidget> RebuildWidget() override;
@@ -84,4 +83,7 @@ private:
 	FMargin GetScaledMargins() const;
 	int32 ChooseIcon(bool Playstation, FKey Key) const;
 	void ChooseAppearance(int32 &OutIcon, FString &OutGlyph);
+	bool OnTick(float DeltaTime);
+
+	FTSTicker::FDelegateHandle TickHandle;
 };