STextComboPopup.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Input/Reply.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Widgets/SWidget.h"
#include "Widgets/SCompoundWidget.h"
#include "Widgets/Input/SComboBox.h"
 
class SButton;
 
DECLARE_DELEGATE_OneParam( FOnTextChosen, const FString& );
 
class STextComboPopup : public SCompoundWidget
{
public:
    TArray< TSharedPtr<FString> >       Strings;
 
    FOnTextChosen                       OnTextChosen;
 
    TSharedPtr< SComboBox< TSharedPtr<FString> > >  StringCombo;
    TSharedPtr< SButton > OkButton;
 
    SLATE_BEGIN_ARGS( STextComboPopup ) : _AutoFocus(true) {}
 
        SLATE_ARGUMENT( FText, Label )
 
        
        SLATE_ARGUMENT( TArray<FString>, TextOptions )
 
        
        SLATE_EVENT( FOnTextChosen, OnTextChosen )
 
        
        SLATE_ARGUMENT( bool, AutoFocus )
 
    SLATE_END_ARGS()
 
    SLATE_API void Construct( const FArguments& InArgs );
 
    SLATE_API virtual FReply OnKeyDown( const FGeometry& MyGeometry, const FKeyEvent& InKeyEvent ) override;
 
    SLATE_API TSharedRef<SWidget> MakeItemWidget( TSharedPtr<FString> StringItem );
    SLATE_API FReply OnOK();
 
    SLATE_API void FocusDefaultWidget();
 
private:
    TSharedPtr<FString> OnGetSelection() const {return SelectedItem;}
 
    void OnSelectionChanged (TSharedPtr<FString> Selection, ESelectInfo::Type SelectInfo);
 
    FText GetSelectedItem () const;
    
    EActiveTimerReturnType TickAutoFocus(double InCurrentTime, float InDeltaTime);
 
private:
    TSharedPtr<FString> SelectedItem;
};