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  3. UWidgetBlueprintExtension

UWidgetBlueprintExtension

Extension that allows per-system data to be held on the widget blueprint, and per-system logic to be executed during compilation

API > API/Editor > API/Editor/UMGEditor

Extension that allows per-system data to be held on the widget blueprint, and per-system logic to be executed during compilation

   
Name UWidgetBlueprintExtension
Type class
Header File /Engine/Source/Editor/UMGEditor/Public/WidgetBlueprintExtension.h
Include Path #include "WidgetBlueprintExtension.h"

Syntax

UCLASS (MinimalAPI, Within=WidgetBlueprint)  
class UWidgetBlueprintExtension : public UBlueprintExtension

Inheritance Hierarchy

Derived Classes

Variables

Protected

Name Type Remarks Include Path Unreal Specifiers
FWidgetBlueprintCompilerContext friend   WidgetBlueprintExtension.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

virtual void FindDiffs ( const UWidgetBlueprint* OwningBlueprint,
const UWidgetBlueprint* OtherBlueprint,
FDiffResults& Results
) const

   WidgetBlueprintExtension.h  

UWidgetBlueprint * GetWidgetBlueprint()

 Get the WidgetBlueprint that hosts this extension WidgetBlueprintExtension.h  

Protected

Name Remarks Include Path Unreal Specifiers

virtual void HandleBeginCompilation ( FWidgetBlueprintCompilerContext& InCreationContext
)

 Override point called when a compiler context is created for the WidgetBlueprint WidgetBlueprintExtension.h  

virtual void HandleCleanAndSanitizeClass ( UWidgetBlueprintGeneratedClass* ClassToClean,
UObject* OldCDO
)

   WidgetBlueprintExtension.h  

virtual void HandleCopyTermDefaultsToDefaultObject ( UObject* DefaultObject
)

   WidgetBlueprintExtension.h  

virtual void HandleCreateClassVariablesFromBlueprint ( const FWidgetBlueprintCompilerContext::FCreateVariableContext& Context
)

   WidgetBlueprintExtension.h  

virtual void HandleCreateFunctionList ( const FWidgetBlueprintCompilerContext::FCreateFunctionContext& InCreationContext
)

   WidgetBlueprintExtension.h  

virtual void HandleEndCompilation ()

 Override point called when a compiler context is destroyed for the WidgetBlueprint. WidgetBlueprintExtension.h  

virtual void HandleFinishCompilingClass ( UWidgetBlueprintGeneratedClass* Class
)

   WidgetBlueprintExtension.h  

virtual void HandlePopulateGeneratedVariables ( const FWidgetBlueprintCompilerContext::FPopulateGeneratedVariablesContext& Context
)

   WidgetBlueprintExtension.h  

virtual TArray< UObject * > HandleSaveSubObjectsFromCleanAndSanitizeClass ( UWidgetBlueprintGeneratedClass* ClassToClean
)

   WidgetBlueprintExtension.h  

virtual bool HandleValidateGeneratedClass ( UWidgetBlueprintGeneratedClass* Class
)

   WidgetBlueprintExtension.h  

Static

Name Remarks Include Path Unreal Specifiers

static void ForEachExtension ( const UWidgetBlueprint* InWidgetBlueprint,
Predicate Pred
)

 Iterate over all registered WidgetBlueprintExtensions in an WidgetBlueprint WidgetBlueprintExtension.h  

static UWidgetBlueprintExtension * GetExtension ( const UWidgetBlueprint* InWidgetBlueprint,
TSubclassOf< UWidgetBlueprintExtension > InExtensionType
)

 Get an already-requested extension for an WidgetBlueprint. WidgetBlueprintExtension.h  

static ExtensionType * GetExtension ( const UWidgetBlueprint* InWidgetBlueprint
)

 Get an already-requested extension for an WidgetBlueprint. WidgetBlueprintExtension.h  

static TArray< UWidgetBlueprintExtension * > GetExtensions ( const UWidgetBlueprint* InWidgetBlueprint
)

 Get all subsystems currently present on an WidgetBlueprint WidgetBlueprintExtension.h  

static ExtensionType * RequestExtension ( UWidgetBlueprint* InWidgetBlueprint
)

 Request an WidgetBlueprintExtension for an WidgetBlueprint. WidgetBlueprintExtension.h  
Request an WidgetBlueprintExtension for an WidgetBlueprint. WidgetBlueprintExtension.h  

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