40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
// Fill out your copyright notice in the Description page of Project Settings.
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#pragma once
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#include "CoreMinimal.h"
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#include "SLeafWidget.h"
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#include "Midi/MidiType.h"
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#include "Midi/Time/TimePos.h"
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/**
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*
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*/
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class ARONA_API SPlayListTimeLine : public SLeafWidget
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{
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public:
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SLATE_BEGIN_ARGS(SPlayListTimeLine)
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{}
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SLATE_ATTRIBUTE(TRange<AudioFrame>, FrameRange)
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SLATE_END_ARGS()
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/** Constructs this widget with InArgs */
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void Construct(const FArguments& InArgs);
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virtual FVector2D ComputeDesiredSize(float LayoutScaleMultiplier) const override { return FVector2D(0, 18); }
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virtual int32 OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled) const override;
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virtual FReply OnMouseButtonDown(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
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virtual FReply OnMouseButtonUp(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
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virtual FReply OnMouseMove(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
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FLinearColor MainStepColor;
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FLinearColor SubStepColor;
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private:
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void SetTimePos(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent);
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TAttribute<TRange<AudioFrame>> FrameRange;
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AudioFrame LastFrame = 0;
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};
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