STimecode.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Widgets/SLeafWidget.h"
 
#include "Fonts/SlateFontInfo.h"
#include "Misc/Attribute.h"
#include "Misc/Timecode.h"
#include "Styling/CoreStyle.h"
#include "Styling/SlateColor.h"
#include "Widgets/Text/SlateTextBlockLayout.h"
 
class STimecode : public SLeafWidget
{
public:
    SLATE_BEGIN_ARGS(STimecode)
        : _TimecodeColor(FLinearColor::White)
        , _DisplayLabel(true)
        , _LabelColor(FLinearColor::Gray)
    {
        FSlateFontInfo NormalFontInfo = FCoreStyle::Get().GetFontStyle(TEXT("NormalText"));
        _LabelFont = NormalFontInfo;
        NormalFontInfo.Size += 16;
        _TimecodeFont = NormalFontInfo;
    }
        SLATE_ATTRIBUTE(FTimecode, Timecode)
        SLATE_ATTRIBUTE(FSlateFontInfo, TimecodeFont)
        SLATE_ATTRIBUTE(FSlateColor, TimecodeColor)
        SLATE_ATTRIBUTE(bool, DisplayLabel)
        SLATE_ATTRIBUTE(FSlateFontInfo, LabelFont)
        SLATE_ATTRIBUTE(FSlateColor, LabelColor)
        SLATE_ARGUMENT(bool, bDisplaySubframes)
    SLATE_END_ARGS()
 
    TIMEMANAGEMENT_API STimecode();
 
    TIMEMANAGEMENT_API void Construct(const FArguments& InArgs);
 
protected:
    // SWidget overrides
    TIMEMANAGEMENT_API virtual int32 OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled) const override;
    TIMEMANAGEMENT_API virtual FVector2D ComputeDesiredSize(float LayoutScale) const override;
    TIMEMANAGEMENT_API virtual bool ComputeVolatility() const override;
 
private:
    TAttribute<FTimecode> Timecode;
    TAttribute<FSlateFontInfo> TimecodeFont;
    TAttribute<FSlateColor> TimecodeColor;
 
    TAttribute<bool> bDisplayLabel;
    TAttribute<FSlateFontInfo> LabelFont;
    TAttribute<FSlateColor> LabelColor;
 
    bool bDisplaySubframes = true;
 
    TUniquePtr<FSlateTextBlockLayout> TextLayoutCache;
};