大家都知道UE里边WidgetComponent的点击事件非常坑，没法响应UserWidget内部某个Button的点击，本文自定义了一个ClickableWidgetComponent，替换掉WidgetComponent即可实现UserWidget内部任意Button的点击，兼容Screen模式和World模式。

1、自定义 UClickableWidgetComponent.h

// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include "CoreMinimal.h"
#include "Components/WidgetComponent.h"
#include "ClickableWidgetComponent.generated.h"/*** */
UCLASS(Blueprintable, ClassGroup="UserInterface", hidecategories=(Object,Activation,"Components|Activation",Sockets,Base,Lighting,LOD,Mesh), editinlinenew, meta=(BlueprintSpawnableComponent))
class PLANLOADER_API UClickableWidgetComponent : public UWidgetComponent
{GENERATED_BODY()public:bool bAutoManageTouchEvent = true;static bool bBlockDispatchEvent;private:bool bWidgetIsTouched = false;FVector2D PrevTouch