Files
UnrealEngine/Engine/Source/Runtime/Slate/Public/Widgets/Notifications/SErrorText.h
2025-05-18 13:04:45 +08:00

77 lines
1.8 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CoreMinimal.h"
#include "Misc/Attribute.h"
#include "Styling/SlateColor.h"
#include "Fonts/SlateFontInfo.h"
#include "Layout/Visibility.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Widgets/SWidget.h"
#include "Styling/CoreStyle.h"
#include "Widgets/Layout/SBorder.h"
#include "Animation/CurveSequence.h"
#include "Widgets/Text/STextBlock.h"
/**
* Interface for error reporting widgets.
*/
class IErrorReportingWidget
{
public:
virtual void SetError( const FString& InErrorText ) = 0;
virtual void SetError( const FText& InErrorText ) = 0;
virtual bool HasError() const = 0;
virtual TSharedRef<SWidget> AsWidget() = 0;
};
/**
* Implements a widget that displays an error text message.
*/
class SErrorText
: public SBorder
, public IErrorReportingWidget
{
public:
SLATE_BEGIN_ARGS( SErrorText )
: _ErrorText()
, _BackgroundColor(FCoreStyle::Get().GetColor("ErrorReporting.BackgroundColor"))
, _Font()
, _AutoWrapText(false)
{ }
SLATE_ARGUMENT(FText, ErrorText)
SLATE_ATTRIBUTE(FSlateColor, BackgroundColor)
SLATE_ATTRIBUTE(FSlateFontInfo, Font)
SLATE_ATTRIBUTE(bool, AutoWrapText)
SLATE_END_ARGS()
SLATE_API void Construct(const FArguments& InArgs);
public:
// IErrorReportingWidget interface
SLATE_API virtual void SetError( const FText& InErrorText ) override;
SLATE_API virtual void SetError( const FString& InErrorText ) override;
SLATE_API virtual bool HasError() const override;
SLATE_API virtual TSharedRef<SWidget> AsWidget() override;
private:
TAttribute< FSlateFontInfo > Font;
TAttribute<EVisibility> CustomVisibility;
EVisibility MyVisibility() const;
TSharedPtr<class STextBlock> TextBlock;
FVector2D GetDesiredSizeScale() const;
FCurveSequence ExpandAnimation;
};