86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Containers/Array.h"
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#include "Containers/UnrealString.h"
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#include "HAL/Platform.h"
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#include "Internationalization/Text.h"
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#include "SGraphPin.h"
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#include "Templates/SharedPointer.h"
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#include "Types/SlateEnums.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#define UE_API GRAPHEDITOR_API
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class SWidget;
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class UEdGraphPin;
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class SGraphPinEnum : public SGraphPin
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{
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public:
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SLATE_BEGIN_ARGS(SGraphPinEnum) {}
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/** The array of values to allow in the combobox. All values permitted if this array is empty. */
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SLATE_ARGUMENT(TArray<FString>, ValidEnumValues)
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SLATE_END_ARGS()
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UE_API void Construct(const FArguments& InArgs, UEdGraphPin* InGraphPinObj);
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protected:
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/**
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* Function to create class specific widget.
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*
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* @return Reference to the newly created widget object
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*/
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UE_API virtual TSharedRef<SWidget> GetDefaultValueWidget() override;
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private:
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/**
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* Function to get current string associated with the combo box selection
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*
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* @return currently selected string
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*/
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UE_API FString OnGetText() const;
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/**
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* Function to generate the list of indexes from the enum object
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*
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* @param OutComboBoxIndexes - Int array reference to store the list of indexes
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*/
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UE_API void GenerateComboBoxIndexes( TArray< TSharedPtr<int32> >& OutComboBoxIndexes );
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/**
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* Function to set the newly selected index
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*
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* @param NewSelection The newly selected item in the combo box
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* @param SelectInfo Provides context on how the selection changed
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*/
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UE_API void ComboBoxSelectionChanged( TSharedPtr<int32> NewSelection, ESelectInfo::Type SelectInfo );
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/**
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* Returns the friendly name of the enum at index EnumIndex
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*
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* @param EnumIndex - The index of the enum to return the friendly name for
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*/
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UE_API FText OnGetFriendlyName(int32 EnumIndex);
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/**
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* Returns the tooltip of the enum at index EnumIndex
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*
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* @param EnumIndex - The index of the enum to return the tooltip for
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*/
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UE_API FText OnGetTooltip(int32 EnumIndex);
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/** The array of values to allow in the combobox. All values permitted if this array is empty. */
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TArray<FString> ValidEnumValues;
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/** Shared pointer to the combobox widget. */
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TSharedPtr<class SPinComboBox> ComboBox;
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};
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#undef UE_API
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