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

78 lines
2.3 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "Containers/Array.h"
#include "Delegates/Delegate.h"
#include "HAL/Platform.h"
#include "Input/CursorReply.h"
#include "Input/Reply.h"
#include "Math/Vector2D.h"
#include "Misc/Attribute.h"
#include "Misc/OptionalFwd.h"
#include "SCurveEditor.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
class FPaintArgs;
class FSlateRect;
class FSlateWindowElementList;
class FWidgetStyle;
class UObject;
struct FGeometry;
struct FPointerEvent;
DECLARE_DELEGATE_OneParam(FOnSelectionChanged, const TArray<UObject*>&)
DECLARE_DELEGATE(FOnUpdatePanel)
DECLARE_DELEGATE_RetVal(float, FOnGetScrubValue)
//////////////////////////////////////////////////////////////////////////
// SAnimCurveEd : anim curve editor
class SAnimCurveEd: public SCurveEditor
{
public:
SLATE_BEGIN_ARGS(SAnimCurveEd)
: _ViewMinInput(0.0f)
, _ViewMaxInput(10.0f)
, _TimelineLength(5.0f)
, _DrawCurve(true)
, _HideUI(true)
, _OnGetScrubValue()
{}
SLATE_ATTRIBUTE(float, ViewMinInput)
SLATE_ATTRIBUTE(float, ViewMaxInput)
SLATE_ATTRIBUTE(TOptional<float>, DataMinInput)
SLATE_ATTRIBUTE(TOptional<float>, DataMaxInput)
SLATE_ATTRIBUTE(float, TimelineLength)
SLATE_ATTRIBUTE(int32, NumberOfKeys)
SLATE_ATTRIBUTE(FVector2D, DesiredSize)
SLATE_ARGUMENT(bool, DrawCurve)
SLATE_ARGUMENT(bool, HideUI)
SLATE_EVENT(FOnGetScrubValue, OnGetScrubValue)
SLATE_EVENT(FOnSetInputViewRange, OnSetInputViewRange)
SLATE_END_ARGS()
void Construct(const FArguments& InArgs);
protected:
// SWidget interface
virtual int32 OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled) const override;
virtual FReply OnMouseWheel(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
virtual FCursorReply OnCursorQuery(const FGeometry& MyGeometry, const FPointerEvent& CursorEvent) const override;
// SWidget interface
// SCurveEditor interface
virtual void SetDefaultOutput(const float MinZoomRange) override;
virtual float GetTimeStep(FTrackScaleInfo &ScaleInfo) const override;
// SCurveEditor interface
private:
// scrub value grabber
FOnGetScrubValue OnGetScrubValue;
// @todo redo this code, all mess and dangerous
TAttribute<int32> NumberOfKeys;
};