UTabButtonGroup.h

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// Copyright (c) 2025 Doppleddiggong. All rights reserved. Unauthorized copying, modification, or distribution of this file, via any medium is strictly prohibited. Proprietary and confidential.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Blueprint/UserWidget.h"
#include "UTabButtonGroup.generated.h"
 
UCLASS()
class ONEPIECE_API UTabButtonGroup : public UUserWidget
{
    GENERATED_BODY()
 
protected:
    virtual void NativePreConstruct() override;
    virtual void NativeConstruct() override;
 
public:
    UFUNCTION(BlueprintCallable, Category="TabButtonGroup")
    void OnSelectTab(int32 TabIndex, bool bBroadcastEvent = true);
 
    FLinearColor GetTextColor(bool bSelect) const
    {
        if ( bSelect )
            return TextSelectColor;
        else
            return TextUnselectColor;
    }
 
    FLinearColor GetActivateColor(bool bSelect) const
    {
        if ( bSelect )
            return ActivateSelectColor;
        else
            return ActivateUnselectColor;
    }
    
    DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FOnTabSelected, int32, TabIndex);
 
    UPROPERTY(BlueprintAssignable, Category = "TabButtonGroup|Events")
    FOnTabSelected OnTabSelected;
 
protected:
    UFUNCTION(BlueprintCallable, Category="TabButtonGroup")
    void ApplyTab();
 
    UFUNCTION()
    void OnTabClicked(int32 TabIndex);
    
private:
    void UpdateIndicatorPosition();
 
    UFUNCTION()
    void OnMoveCompleted();
 
protected:
    UPROPERTY(BlueprintReadOnly, meta = (BindWidget))
    TObjectPtr<class UHorizontalBox> TabContainer;
        
    UPROPERTY(BlueprintReadOnly, meta = (BindWidget))
    TObjectPtr<class UTabIndicator> TabIndicator;
    
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "TabButtonGroup|Data")
    TArray<FText> TabLabels;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "TabButtonGroup|Data")
    TSubclassOf<class UTabButton> TabButtonClass;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "TabButtonGroup|Data")
    int32 DefaultTabIndex = 0;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "TabButtonGroup|Appearance")
    FLinearColor TextSelectColor = FLinearColor::White;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "TabButtonGroup|Appearance")
    FLinearColor TextUnselectColor = FLinearColor(0.5f, 0.5f, 0.5f);
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "TabButtonGroup|Appearance")
    FLinearColor ActivateSelectColor = FLinearColor::White;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "TabButtonGroup|Appearance")
    FLinearColor ActivateUnselectColor = FLinearColor(0.5f, 0.5f, 0.5f);
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "TabButtonGroup|Layout")
    FVector2D TabSize = FVector2D(300.0f, 75.0f);
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "TabButtonGroup|Animation")
    bool bAnimateIndicator = true;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "TabButtonGroup|Animation", meta=(EditCondition="bAnimateIndicator"))
    float IndicatorAnimationSpeed = 0.15f;
 
private:
    UPROPERTY(Transient)
    TArray<TObjectPtr<class UTabButton>> TabButtonList;
 
    int32 CurTabIndex = -1;
};