SToolBarStackButtonBlock.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Misc/Attribute.h"
#include "Layout/Visibility.h"
#include "Widgets/SWidget.h"
#include "Textures/SlateIcon.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Framework/MultiBox/MultiBox.h"
#include "Framework/Commands/Contexts/UIIdentifierContext.h"
#include "Framework/Commands/Contexts/UIContentContext.h"
 
class SCheckBoxStack;
 
class FToolBarStackButtonBlock
    : public FMultiBlock
{
 
public:
 
    FToolBarStackButtonBlock(const TSharedRef< const FUICommandInfo > InCommand, TSharedPtr< const FUICommandList > InCommandList, bool bInSimpleStackBox = false);
 
    virtual void CreateMenuEntry(class FMenuBuilder& MenuBuilder) const override;
 
    void SetLabelVisibility( EVisibility InLabelVisibility ) { LabelVisibility = InLabelVisibility; }
 
    void SetForceSmallIcons( const bool InForceSmallIcons ) { bForceSmallIcons = InForceSmallIcons; }
protected:
 
    virtual TSharedRef< class IMultiBlockBaseWidget > ConstructWidget() const override;
 
    const TSharedPtr<FUIIdentifierContext> GetStackIdentifier() const;
 
    const TSharedPtr<FUIContentContext> GetStackContent() const;
 
protected:
 
    // Friend our corresponding widget class
    friend class SToolBarStackButtonBlock;
 
    FOnGetContent MenuContentGenerator;
 
    TOptional< EVisibility > LabelVisibility;
 
    bool bSimpleComboBox;
 
    bool bForceSmallIcons;
 
    mutable TWeakPtr<FUIIdentifierContext> CachedStackIdentifier;
 
    mutable TWeakPtr<FUIContentContext> CachedStackContent;
};
 
 
 
class SToolBarStackButtonBlock
    : public SMultiBlockBaseWidget
{
 
public:
 
    SLATE_BEGIN_ARGS( SToolBarStackButtonBlock )
        : _ForceSmallIcons( false )
    {}
 
        SLATE_ARGUMENT( TOptional< EVisibility >, LabelVisibility )
 
        
        SLATE_ARGUMENT( bool, ForceSmallIcons )
 
    SLATE_END_ARGS()
 
 
    
    SLATE_API virtual void BuildMultiBlockWidget(const ISlateStyle* StyleSet, const FName& StyleName) override;
 
 
    SLATE_API void Construct( const FArguments& InArgs );
 
protected:
 
    SLATE_API void OnCheckStateChanged(const ECheckBoxState NewCheckedState);
 
    SLATE_API ECheckBoxState GetCheckState() const;
 
    SLATE_API TSharedRef<SWidget> OnGetMenuContent();
 
    SLATE_API bool IsEnabled() const;
 
    SLATE_API EVisibility GetVisibility() const;
protected:
 
    SLATE_API const FSlateBrush* GetIconBrush() const;
 
    SLATE_API FText GetLabel() const;
 
    SLATE_API FText GetDescription() const;
 
    SLATE_API const FSlateBrush* GetNormalIconBrush() const;
 
    SLATE_API const FSlateBrush* GetSmallIconBrush() const;
 
    SLATE_API EVisibility GetIconVisibility(bool bIsASmallIcon) const;
 
    SLATE_API FSlateColor GetIconForegroundColor() const;
 
    SLATE_API const FSlateBrush* GetOverlayIconBrush() const;
 
protected:
    TOptional<EVisibility> LabelVisibilityOverride;
 
    TAttribute< EVisibility > LabelVisibility;
 
    TAttribute<FSlateIcon> Icon;
 
    TSharedPtr<SCheckBoxStack> StackButtonWidget;
 
    FSlateColor OpenForegroundColor;
 
    bool bForceSmallIcons;
};