How to change the SIZE of a progress bar at runtime, not the percentage that it is filled.

3dRaven · August 12, 2024, 5:06pm

header

// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "Blueprint/UserWidget.h"

#include "Components/ProgressBar.h"
#include "Components/CanvasPanelSlot.h"

#include "MyUserWidget.generated.h"

/**
 * 
 */
UCLASS(Blueprintable,BlueprintType)
class MY_API UMyUserWidget : public UUserWidget
{
	GENERATED_BODY()
public:

// progress bar
	UPROPERTY(BlueprintReadWrite, meta = (BindWidget))
	UProgressBar* ProgBar; // <= name in widget needs to be the same

	UFUNCTION(BlueprintCallable)
	void SetSize(FVector2D newSize);

};

cpp

// Fill out your copyright notice in the Description page of Project Settings.


#include "MyUserWidget.h"

void UMyUserWidget::SetSize(FVector2D newSize)
{
	UCanvasPanelSlot* CanvasSlot = Cast<UCanvasPanelSlot>(ProgBar->Slot);
	CanvasSlot->SetSize(newSize);;
}

Add “UMG” to your build file

Reaction in widget