Files
UnrealEngine/Engine/Source/Editor/MovieSceneTools/Private/MovieSceneBuiltInEasingFunctionVisualizer.h
2025-05-18 13:04:45 +08:00

46 lines
1.5 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "HAL/Platform.h"
#include "IDetailCustomization.h"
#include "Generators/MovieSceneEasingCurves.h"
#include "Templates/SharedPointer.h"
#include "Widgets/SCompoundWidget.h"
class IDetailLayoutBuilder;
enum class EMovieSceneBuiltInEasing : uint8;
class FReply;
class IPropertyHandle;
/** Widget showing the curve graph */
class SBuiltInFunctionVisualizer : public SCompoundWidget
{
public:
SLATE_BEGIN_ARGS(SBuiltInFunctionVisualizer) {}
SLATE_END_ARGS();
virtual ~SBuiltInFunctionVisualizer() = default;
void Construct(const FArguments& InArgs, EMovieSceneBuiltInEasing InValue);
void SetType(EMovieSceneBuiltInEasing InValue);
void SetAnimationDuration(float TimeInSeconds) { AnimationDuration = TimeInSeconds; }
private:
void OnMouseEnter(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override final;
void OnMouseLeave(const FPointerEvent& MouseEvent) override final;
EActiveTimerReturnType TickInterp(const double InCurrentTime, const float InDeltaTime);
int32 OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled) const;
TSharedPtr<FActiveTimerHandle> TimerHandle;
double MouseOverTime;
EMovieSceneBuiltInEasing EasingType;
FVector2D InterpValue;
TArray<FVector2D> Samples;
float AnimationDuration = 0.5f; /** Preview animation duration in seconds. */
};