126 lines
3.0 KiB
C++
126 lines
3.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "Locators/SlateWidgetLocatorByDelegate.h"
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#include "SlateWidgetElement.h"
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#include "IElementLocator.h"
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#include "Framework/Application/SlateApplication.h"
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class FSlateWidgetLocatorByWidgetDelegate
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: public IElementLocator
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{
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public:
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virtual ~FSlateWidgetLocatorByWidgetDelegate()
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{ }
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virtual FString ToDebugString() const
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{
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static const FString TypeString = TEXT("[By::Delegate] ");
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if (!DebugName.IsEmpty())
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{
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return TypeString + DebugName;
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}
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FString DelegateName;
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#if USE_DELEGATE_TRYGETBOUNDFUNCTIONNAME
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DelegateName = Delegate.TryGetBoundFunctionName().ToString();
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#endif
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return TypeString + DelegateName;
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}
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virtual void Locate(TArray<TSharedRef<IApplicationElement>>& OutElements) const override
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{
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check(IsInGameThread());
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TArray<TSharedRef<SWidget>> Widgets;
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Delegate.Execute(Widgets);
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for (const TSharedRef<SWidget>& Widget : Widgets)
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{
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FWidgetPath WidgetPath;
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if (FSlateApplication::Get().FindPathToWidget(Widget, WidgetPath))
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{
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OutElements.Add(FSlateWidgetElementFactory::Create(WidgetPath));
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}
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}
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}
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private:
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FSlateWidgetLocatorByWidgetDelegate(
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const FLocateSlateWidgetElementDelegate& InDelegate, FStringView InDebugName = { })
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: Delegate(InDelegate), DebugName(InDebugName)
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{ }
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private:
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FLocateSlateWidgetElementDelegate Delegate;
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FString DebugName;
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friend FSlateWidgetLocatorByDelegateFactory;
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};
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TSharedRef<IElementLocator, ESPMode::ThreadSafe> FSlateWidgetLocatorByDelegateFactory::Create(
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const FLocateSlateWidgetElementDelegate& Delegate, FStringView DebugName)
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{
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return MakeShareable(new FSlateWidgetLocatorByWidgetDelegate(Delegate, DebugName));
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}
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class FSlateWidgetLocatorByWidgetPathDelegate
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: public IElementLocator
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{
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public:
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virtual ~FSlateWidgetLocatorByWidgetPathDelegate()
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{ }
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virtual FString ToDebugString() const
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{
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FString DelegateName;
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#if USE_DELEGATE_TRYGETBOUNDFUNCTIONNAME
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DelegateName = Delegate.TryGetBoundFunctionName().ToString();
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#endif
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return TEXT("[By::Delegate] ") + DelegateName;
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}
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virtual void Locate(TArray<TSharedRef<IApplicationElement>>& OutElements) const override
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{
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check(IsInGameThread());
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TArray<FWidgetPath> WidgetPaths;
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Delegate.Execute(WidgetPaths);
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for (const FWidgetPath& WidgetPath : WidgetPaths)
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{
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if (WidgetPath.IsValid())
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{
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OutElements.Add(FSlateWidgetElementFactory::Create(WidgetPath));
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}
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}
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}
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private:
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FSlateWidgetLocatorByWidgetPathDelegate(
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const FLocateSlateWidgetPathElementDelegate& InDelegate, FStringView InDebugName = { })
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: Delegate(InDelegate), DebugName(InDebugName)
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{ }
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private:
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FLocateSlateWidgetPathElementDelegate Delegate;
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FString DebugName;
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friend FSlateWidgetLocatorByDelegateFactory;
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};
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TSharedRef<IElementLocator, ESPMode::ThreadSafe> FSlateWidgetLocatorByDelegateFactory::Create(
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const FLocateSlateWidgetPathElementDelegate& Delegate, FStringView DebugName)
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{
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return MakeShareable(new FSlateWidgetLocatorByWidgetPathDelegate(Delegate, DebugName));
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}
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