Esempio n. 1
0
static FORCEINLINE float GetScaleFactor(const FGeometry& Geometry)
{
	const float DesiredWidth = 1024.0f;

	float UndoDPIScaling = 1.0f / Geometry.Scale;
	return (Geometry.GetDrawSize().GetMax() / DesiredWidth) * UndoDPIScaling;
}
Esempio n. 2
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void FSceneViewport::OnDrawViewport( const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled )
{
	// Switch to the viewport clients world before resizing
	FScopedConditionalWorldSwitcher WorldSwitcher( ViewportClient );

	/** Check to see if the viewport should be resized */
	FIntPoint DrawSize = FIntPoint( FMath::RoundToInt( AllottedGeometry.GetDrawSize().X ), FMath::RoundToInt( AllottedGeometry.GetDrawSize().Y ) );
	if( GetSizeXY() != DrawSize )
	{
		TSharedPtr<SWindow> Window = FSlateApplication::Get().FindWidgetWindow( ViewportWidget.Pin().ToSharedRef() );

		check(Window.IsValid());
		ResizeViewport(FMath::Max(0, DrawSize.X), FMath::Max(0, DrawSize.Y), Window->GetWindowMode(), 0, 0);
	}	
	
	// Cannot pass negative canvas positions
	float CanvasMinX = FMath::Max(0.0f, AllottedGeometry.AbsolutePosition.X);
	float CanvasMinY = FMath::Max(0.0f, AllottedGeometry.AbsolutePosition.Y);
	FIntRect CanvasRect(
		FMath::RoundToInt( CanvasMinX ),
		FMath::RoundToInt( CanvasMinY ),
		FMath::RoundToInt( CanvasMinX + AllottedGeometry.Size.X * AllottedGeometry.Scale ), 
		FMath::RoundToInt( CanvasMinY + AllottedGeometry.Size.Y * AllottedGeometry.Scale ) );


	DebugCanvasDrawer->BeginRenderingCanvas( CanvasRect );

	// Draw above everything else
	uint32 MaxLayer = MAX_uint32;
	FSlateDrawElement::MakeCustom( OutDrawElements, MAX_uint32, DebugCanvasDrawer );

}
FVector2D FGeometryHelper::VerticalMiddleRightOf(const FGeometry& SomeGeometry)
{
	const FVector2D GeometryDrawSize = SomeGeometry.GetDrawSize();
	return FVector2D(
		SomeGeometry.AbsolutePosition.X + GeometryDrawSize.X,
		SomeGeometry.AbsolutePosition.Y + GeometryDrawSize.Y/2 );
}
Esempio n. 4
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FGeometry SSection::GetKeyAreaGeometry( const struct FKeyAreaElement& KeyArea, const FGeometry& SectionGeometry ) const
{
	// Get the height of the key area node.  If the key area is top level then it is part of the section (and the same height ) and doesn't take up extra space
	float KeyAreaHeight = KeyArea.KeyAreaNode.IsTopLevel() ? SectionGeometry.GetDrawSize().Y : KeyArea.KeyAreaNode.GetNodeHeight();

	// Compute the geometry for the key area
	return SectionGeometry.MakeChild( FVector2D( 0, KeyArea.HeightOffset ), FVector2D( SectionGeometry.Size.X, KeyAreaHeight ) );
}
void FGeometryHelper::ConvertToPoints(const FGeometry& Geom, TArray<FVector2D>& Points)
{
	const FVector2D Size = Geom.GetDrawSize();
	const FVector2D Location = Geom.AbsolutePosition;

	int32 Index = Points.AddUninitialized(4);
	Points[Index++] = Location;
	Points[Index++] = Location + FVector2D(0.0f, Size.Y);
	Points[Index++] = Location + FVector2D(Size.X, Size.Y);
	Points[Index++] = Location + FVector2D(Size.X, 0.0f);
}
Esempio n. 6
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void SMenuAnchor::Tick( const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime )
{
	SPanel::Tick(AllottedGeometry, InCurrentTime, InDeltaTime);

	TSharedPtr<SWindow> PopupWindow = PopupWindowPtr.Pin();
	if ( PopupWindow.IsValid() && Method == CreateNewWindow )
	{
		// Figure out where our attached pop-up window should be placed.				
		const FVector2D PopupContentDesiredSize = PopupWindow->GetContent()->GetDesiredSize();
		FGeometry PopupGeometry = ComputeMenuPlacement( AllottedGeometry, PopupContentDesiredSize, Placement.Get( ) );
		const FVector2D NewPosition = PopupGeometry.AbsolutePosition;
		const FVector2D NewSize = PopupGeometry.GetDrawSize( );

		const FSlateRect NewShape = FSlateRect( NewPosition.X, NewPosition.Y, NewPosition.X + NewSize.X, NewPosition.Y + NewSize.Y );

		// We made a window for showing the popup.
		// Update the window's position!
		if( PopupWindow->IsMorphing() )
		{
			if( NewShape != PopupWindow->GetMorphTargetShape() )
			{
				// Update the target shape
				PopupWindow->UpdateMorphTargetShape( NewShape );
				// Set size immediately if not morphing size
				if(!PopupWindow->IsMorphingSize())
				{
					PopupWindow->ReshapeWindow( PopupWindow->GetPositionInScreen(), NewSize );
				}
			}
		}
		else
		{
			const FVector2D WindowPosition = PopupWindow->GetPositionInScreen();
			const FVector2D WindowSize = PopupWindow->GetSizeInScreen();
			if ( NewPosition != WindowPosition || NewSize != WindowSize )
			{
#if PLATFORM_LINUX
				// @FIXME: for some reason, popups reshaped here do not trigger OnWindowMoved() callback,
				// so we manually set cached position to where we expect it to be. Note the order of operations - (before Reshape) - 
				// still giving the callback a chance to change it.
				// This needs to be investigated (tracked as TTP #347674).
				PopupWindow->SetCachedScreenPosition( NewPosition );
#endif // PLATFORM_LINUX
				PopupWindow->ReshapeWindow( NewShape );
			}
		}
	}

	/** The tick is ending, so the window was not dismissed this tick. */
	bDismissedThisTick = false;
}
Esempio n. 7
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FReply SGraphPin::OnPinNameMouseDown( const FGeometry& SenderGeometry, const FPointerEvent& MouseEvent )
{
	const float LocalX = SenderGeometry.AbsoluteToLocal( MouseEvent.GetScreenSpacePosition() ).X;

	if ((GetDirection() == EGPD_Input) || (LocalX > SenderGeometry.GetDrawSize().X * 0.5f))
	{
		// Right half of the output pin or all of the input pin, treat it like a connection attempt
		return OnPinMouseDown(SenderGeometry, MouseEvent);
	}
	else
	{
		return FReply::Unhandled();
	}
}
void SSequencerSectionAreaView::OnArrangeChildren( const FGeometry& AllottedGeometry, FArrangedChildren& ArrangedChildren ) const
{
	int32 MaxRowIndex = 0;
	for( int32 WidgetIndex = 0; WidgetIndex < Children.Num(); ++WidgetIndex )
	{
		const TSharedRef<SSection>& Widget = Children[WidgetIndex];

		TSharedPtr<ISequencerSection> SectionInterface = Widget->GetSectionInterface();

		MaxRowIndex = FMath::Max(MaxRowIndex, SectionInterface->GetSectionObject()->GetRowIndex());
	}
	int32 MaxTracks = MaxRowIndex + 1;


	float SectionHeight = GetSectionAreaHeight();

	FTimeToPixel TimeToPixelConverter = GetTimeToPixel( AllottedGeometry );

	for( int32 WidgetIndex = 0; WidgetIndex < Children.Num(); ++WidgetIndex )
	{
		const TSharedRef<SSection>& Widget = Children[WidgetIndex];

		TSharedPtr<ISequencerSection> SectionInterface = Widget->GetSectionInterface();

		int32 RowIndex = SectionInterface->GetSectionObject()->GetRowIndex();

		FGeometry SectionGeometry = SequencerSectionUtils::GetSectionGeometry( AllottedGeometry, RowIndex, MaxTracks, SectionHeight, SectionInterface, TimeToPixelConverter );

		EVisibility Visibility = Widget->GetVisibility();
		if( ArrangedChildren.Accepts( Visibility ) )
		{
			Widget->CacheParentGeometry(AllottedGeometry);

			ArrangedChildren.AddWidget( 
				Visibility, 
				AllottedGeometry.MakeChild( Widget, SectionGeometry.Position, SectionGeometry.GetDrawSize() )
				);
		}
	}
}
Esempio n. 9
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float FKeyAreaLayoutElement::GetHeight(const FGeometry& InParentGeometry) const
{
	return Height.IsSet() ? Height.GetValue() : InParentGeometry.GetDrawSize().Y;
}
void SAnimationOutlinerView::OnArrangeChildren( const FGeometry& AllottedGeometry, FArrangedChildren& ArrangedChildren ) const
{
	const float Padding = SequencerLayoutConstants::NodePadding;
	const float IndentAmount = SequencerLayoutConstants::IndentAmount;

	float CurrentHeight = 0;
	for (int32 WidgetIndex = 0; WidgetIndex < Children.Num(); ++WidgetIndex)
	{
		const TSharedRef<SAnimationOutlinerTreeNode>& Widget = Children[WidgetIndex];

		EVisibility Visibility = Widget->GetVisibility();
		if( ArrangedChildren.Accepts( Visibility ) )
		{
			const TSharedPtr<const FSequencerDisplayNode>& DisplayNode = Widget->GetDisplayNode();
			// How large to make this node
			float HeightIncrement = DisplayNode->GetNodeHeight();
			// How far to indent the widget
			float WidgetIndentOffset = IndentAmount*DisplayNode->GetTreeLevel();
			// Place the widget at the current height, at the nodes desired size
			ArrangedChildren.AddWidget( 
				Visibility, 
				AllottedGeometry.MakeChild( Widget, FVector2D( WidgetIndentOffset, CurrentHeight ), FVector2D( AllottedGeometry.GetDrawSize().X-WidgetIndentOffset, HeightIncrement ) ) 
				);
		
			// Compute the start height for the next widget
			CurrentHeight += HeightIncrement+Padding;
		}
	}
}
Esempio n. 11
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void SMultiBoxWidget::UpdateDropAreaPreviewBlock( TSharedRef<const FMultiBlock> MultiBlock, TSharedPtr<FUICommandDragDropOp> DragDropContent, const FGeometry& DragAreaGeometry, const FVector2D& DragPos )
{
	TSharedPtr<const FUICommandInfo> UICommand = DragDropContent->UICommand;
	FName OriginMultiBox = DragDropContent->OriginMultiBox;

	FVector2D LocalDragPos = DragAreaGeometry.AbsoluteToLocal( DragPos );

	FVector2D DrawSize = DragAreaGeometry.GetDrawSize();

	bool bAddedNewBlock = false;
	bool bValidCommand = true;
	if( DragPreview.UICommand != UICommand )
	{	
		TSharedPtr<const FMultiBlock> ExistingBlock = MultiBox->FindBlockFromCommand( UICommand );

		// Check that the command does not already exist and that we can create it or that we are dragging an exisiting block in this box
		if( !ExistingBlock.IsValid() || ( ExistingBlock.IsValid() && OriginMultiBox == MultiBox->GetCustomizationName() ) )
		{

			TSharedPtr<const FMultiBlock> NewBlock = ExistingBlock;

			if( !ExistingBlock.IsValid() )
			{
				NewBlock = MultiBox->MakeMultiBlockFromCommand( UICommand, true );
			}

			if( NewBlock.IsValid() )
			{
				DragPreview.Reset();
				DragPreview.UICommand = UICommand;
				DragPreview.PreviewBlock = 
					MakeShareable(
						new FDropPreviewBlock( 
							NewBlock.ToSharedRef(), 
							NewBlock->MakeWidget( SharedThis(this), EMultiBlockLocation::None, NewBlock->HasIcon() ) )
					);

				bAddedNewBlock = true;
			}


		}
		else
		{
			// this command cannot be dropped here
			bValidCommand = false;
		}
	}

	if( bValidCommand )
	{
		// determine whether or not to insert before or after
		bool bInsertBefore = false;
		if( MultiBox->GetType() == EMultiBoxType::ToolBar )
		{
			DragPreview.InsertOrientation  = EOrientation::Orient_Horizontal;
			if( LocalDragPos.X < DrawSize.X / 2 )
			{
				// Insert before horizontally
				bInsertBefore = true;
			}
			else
			{
				// Insert after horizontally
				bInsertBefore = false;
			}
		}
		else 
		{
			DragPreview.InsertOrientation  = EOrientation::Orient_Vertical;
			if( LocalDragPos.Y < DrawSize.Y / 2 )
			{
				// Insert before vertically
				bInsertBefore = true;
			}
			else
			{
				// Insert after vertically
				bInsertBefore = false;
			}
		}


		int32 CurrentIndex = DragPreview.InsertIndex;
		DragPreview.InsertIndex = INDEX_NONE;
		// Find the index of the multiblock being dragged over. This is where we will insert the new block
		if( DragPreview.PreviewBlock.IsValid() )
		{
			const TArray< TSharedRef< const FMultiBlock > >& Blocks = MultiBox->GetBlocks();
			for (int32 BlockIdx = 0; BlockIdx < Blocks.Num(); ++BlockIdx)
			{
				TSharedRef<const FMultiBlock> Block = Blocks[BlockIdx];
				if( Block == MultiBlock )
				{
					if( bInsertBefore)
					{
						DragPreview.InsertIndex = BlockIdx;
					}
					else
					{
						DragPreview.InsertIndex = FMath::Min(Blocks.Num()-1, BlockIdx+1);
					}

					break;
				}
			}
		}

		if( CurrentIndex != DragPreview.InsertIndex && DragPreview.InsertIndex != INDEX_NONE )
		{
			BuildMultiBoxWidget();
		}
	}

}
Esempio n. 12
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int32 STrack::OnPaint( const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled ) const
{
	int32 CustomLayerId = LayerId + 1;
	FPaintGeometry MyGeometry = AllottedGeometry.ToPaintGeometry();

	// Background
	FSlateDrawElement::MakeBox( 
		OutDrawElements,
		CustomLayerId++, 
		MyGeometry, 
		FEditorStyle::GetBrush(TEXT( "Persona.NotifyEditor.NotifyTrackBackground" )),
		MyClippingRect, 
		ESlateDrawEffect::None, 
		TrackColor.Get()
		);

	// Draw Scrub Position
	if ( ScrubPosition.Get() >= 0.f )
	{
		float XPos = DataToLocalX(ScrubPosition.Get(), AllottedGeometry);

		TArray<FVector2D> LinePoints;
		LinePoints.Add(FVector2D(XPos, 0.f));
		LinePoints.Add(FVector2D(XPos, AllottedGeometry.Size.Y));

		FSlateDrawElement::MakeLines( 
			OutDrawElements,
			CustomLayerId++,
			MyGeometry,
			LinePoints,
			MyClippingRect,
			ESlateDrawEffect::None,
			FLinearColor(1, 0, 0)
			);
	}

	// Draggable Bars
	for ( int32 I=0; DraggableBars.IsBound() && I < DraggableBars.Get().Num(); I++ )
	{
		// Draw lines
		float XPos = DataToLocalX(DraggableBars.Get()[I], AllottedGeometry);

		TArray<FVector2D> LinePoints;
		LinePoints.Add(FVector2D(XPos, 0.f));
		LinePoints.Add(FVector2D(XPos, AllottedGeometry.Size.Y));

		FSlateDrawElement::MakeLines( 
			OutDrawElements,
			CustomLayerId,
			MyGeometry,
			LinePoints,
			MyClippingRect,
			ESlateDrawEffect::None,
			FLinearColor(0.0f, 1.0f, 0.0f, 1.0f)
			);

		// Draw Labels
		if (DraggableBarLabels.IsBound() && DraggableBarLabels.Get().IsValidIndex(I))
		{
			//float EndPos = (DraggableBarIndex.Get().IsValidIndex(I+1) ? DraggableBarIndex.Get()(I+1)

			FPaintGeometry TextGeometry = AllottedGeometry.ToPaintGeometry( FVector2D(XPos + 5.f, 5.f), AllottedGeometry.GetDrawSize() );
			FSlateDrawElement::MakeText( 
				OutDrawElements,
				CustomLayerId,
				TextGeometry,
				DraggableBarLabels.Get()[I],
				Font,
				MyClippingRect,
				ESlateDrawEffect::None,
				FLinearColor::Black
				);
		}
	}
	// Ghost snap position
	float SnapPos = 0.f;
	if ( GetDraggableBarSnapPosition(AllottedGeometry, SnapPos) )
	{
		SnapPos = DataToLocalX(SnapPos, AllottedGeometry);
		TArray<FVector2D> LinePoints;
		LinePoints.Add(FVector2D(SnapPos, 0.f));
		LinePoints.Add(FVector2D(SnapPos, AllottedGeometry.Size.Y));

		FSlateDrawElement::MakeLines( 
			OutDrawElements,
			CustomLayerId,
			MyGeometry,
			LinePoints,
			MyClippingRect,
			ESlateDrawEffect::None,
			FLinearColor(0.5f, 0.0f, 0.0f, 0.5f)
			);
	}
	CustomLayerId++;

	// draw line for every 1/4 length
	if ( TrackMaxValue.Get() > 0.f && TrackNumDiscreteValues.Get() > 0 )
	{
		int32 Divider = SScrubWidget::GetDivider( ViewInputMin.Get(), ViewInputMax.Get(), AllottedGeometry.Size, TrackMaxValue.Get(), TrackNumDiscreteValues.Get());

		const float TimePerValue = TrackMaxValue.Get()/static_cast<float>(TrackNumDiscreteValues.Get());
		for (int I=1; I<TrackNumDiscreteValues.Get(); ++I)
		{
			if ( I % Divider == 0 )
			{
				float XPos = DataToLocalX(TimePerValue*I, AllottedGeometry);

				TArray<FVector2D> LinePoints;
				LinePoints.Add(FVector2D(XPos, 0.f));
				LinePoints.Add(FVector2D(XPos, AllottedGeometry.Size.Y));

				FSlateDrawElement::MakeLines( 
					OutDrawElements,
					CustomLayerId,
					MyGeometry,
					LinePoints,
					MyClippingRect,
					ESlateDrawEffect::None,
					FLinearColor::Black
					);
			}
		}	
		++CustomLayerId;
	}

	
	return SPanel::OnPaint( AllottedGeometry, MyClippingRect, OutDrawElements, CustomLayerId, InWidgetStyle, bParentEnabled );
}
Esempio n. 13
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FSelectedKey SSection::GetKeyUnderMouse( const FVector2D& MousePosition, const FGeometry& AllottedGeometry ) const
{
	UMovieSceneSection& Section = *SectionInterface->GetSectionObject();

	// Search every key area until we find the one under the mouse
	for( int32 KeyAreaIndex = 0; KeyAreaIndex < KeyAreas.Num(); ++KeyAreaIndex )
	{
		const FKeyAreaElement& Element = KeyAreas[KeyAreaIndex];
		TSharedRef<IKeyArea> KeyArea = Element.KeyAreaNode.GetKeyArea( SectionIndex ); 

		// Compute the current key area geometry
		FGeometry KeyAreaGeometryPadded = GetKeyAreaGeometry( Element, AllottedGeometry );

		// Is the key area under the mouse
		if( KeyAreaGeometryPadded.IsUnderLocation( MousePosition ) )
		{
			FGeometry SectionGeometry = AllottedGeometry.MakeChild(FVector2D(SequencerSectionConstants::SectionGripSize, 0), AllottedGeometry.GetDrawSize() - FVector2D(SequencerSectionConstants::SectionGripSize*2, 0.0f));
			FGeometry KeyAreaGeometry = GetKeyAreaGeometry( Element, SectionGeometry );

			FVector2D LocalSpaceMousePosition = KeyAreaGeometry.AbsoluteToLocal( MousePosition );

			FTimeToPixel TimeToPixelConverter = Section.IsInfinite() ? 			
				FTimeToPixel( ParentGeometry, GetSequencer().GetViewRange()) : 
				FTimeToPixel( KeyAreaGeometry, TRange<float>( Section.GetStartTime(), Section.GetEndTime() ) );

			// Check each key until we find one under the mouse (if any)
			TArray<FKeyHandle> KeyHandles = KeyArea->GetUnsortedKeyHandles();
			for( int32 KeyIndex = 0; KeyIndex < KeyHandles.Num(); ++KeyIndex )
			{
				FKeyHandle KeyHandle = KeyHandles[KeyIndex];
				float KeyPosition = TimeToPixelConverter.TimeToPixel( KeyArea->GetKeyTime(KeyHandle) );

				FGeometry KeyGeometry = KeyAreaGeometry.MakeChild( 
					FVector2D( KeyPosition - FMath::TruncToFloat(SequencerSectionConstants::KeySize.X/2.0f), ((KeyAreaGeometry.Size.Y*.5f)-(SequencerSectionConstants::KeySize.Y*.5f)) ),
					SequencerSectionConstants::KeySize );

				if( KeyGeometry.IsUnderLocation( MousePosition ) )
				{
					// The current key is under the mouse
					return FSelectedKey( Section, KeyArea, KeyHandle );
				}
				
			}

			// no key was selected in the current key area but the mouse is in the key area so it cannot possibly be in any other key area
			return FSelectedKey();
		}
	}

	// No key was selected in any key area
	return FSelectedKey();
}
Esempio n. 14
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void SSection::DrawSectionBorders( const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId ) const
{
	UMovieSceneSection* SectionObject = SectionInterface->GetSectionObject();

	FSequencerSelection& Selection = ParentSectionArea->GetSequencer().GetSelection();
	const bool bSelected = Selection.IsSelected(SectionObject);
	const bool bActive = Selection.GetActiveSelection() == FSequencerSelection::EActiveSelection::KeyAndSection;

	static const FName SelectionColorName("SelectionColor");
	static const FName SelectionInactiveColorName("SelectionColorInactive");

	FLinearColor SelectionColor = FEditorStyle::GetSlateColor(SelectionColorName).GetColor(FWidgetStyle());
	FLinearColor SelectionInactiveColor = FEditorStyle::GetSlateColor(SelectionInactiveColorName).GetColor(FWidgetStyle());
	FLinearColor TransparentSelectionColor = SelectionColor;

	static const FName SectionGripLeftName("Sequencer.SectionGripLeft");
	static const FName SectionGripRightName("Sequencer.SectionGripRight");

	// Left Grip
	FSlateDrawElement::MakeBox(
		OutDrawElements,
		LayerId,
		// Center the key along Y.  Ensure the middle of the key is at the actual key time
		AllottedGeometry.ToPaintGeometry( FVector2D( 0.0f, 0.0f ), FVector2D( SequencerSectionConstants::SectionGripSize, AllottedGeometry.GetDrawSize().Y) ) ,
		FEditorStyle::GetBrush(SectionGripLeftName),
		MyClippingRect,
		ESlateDrawEffect::None,
		(bLeftEdgePressed || bLeftEdgeHovered) ? TransparentSelectionColor : FLinearColor::White
	);

	// Right Grip
	FSlateDrawElement::MakeBox(
		OutDrawElements,
		LayerId,
		// Center the key along Y.  Ensure the middle of the key is at the actual key time
		AllottedGeometry.ToPaintGeometry( FVector2D( AllottedGeometry.Size.X-SequencerSectionConstants::SectionGripSize, 0.0f), FVector2D(SequencerSectionConstants::SectionGripSize, AllottedGeometry.GetDrawSize().Y)),
		FEditorStyle::GetBrush(SectionGripRightName),
		MyClippingRect,
		ESlateDrawEffect::None,
		(bRightEdgePressed || bRightEdgeHovered) ? TransparentSelectionColor : FLinearColor::White
		);


	// draw selection box
	if(bSelected)
	{
		static const FName SelectionBorder("Sequencer.Section.SelectionBorder");

		FSlateDrawElement::MakeBox(
			OutDrawElements,
			LayerId+1,
			AllottedGeometry.ToPaintGeometry(),
			FEditorStyle::GetBrush(SelectionBorder),
			MyClippingRect,
			ESlateDrawEffect::None,
			bActive ? SelectionColor : SelectionInactiveColor
			);
	}

}
Esempio n. 15
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int32 SSection::OnPaint( const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled ) const
{
	int32 StartLayer = SCompoundWidget::OnPaint( Args, AllottedGeometry, MyClippingRect, OutDrawElements, LayerId, InWidgetStyle, bParentEnabled );

	FGeometry SectionGeometry = AllottedGeometry.MakeChild( FVector2D( SequencerSectionConstants::SectionGripSize, 0 ), AllottedGeometry.GetDrawSize() - FVector2D( SequencerSectionConstants::SectionGripSize*2, 0.0f ) );

	FSlateRect SectionClipRect = SectionGeometry.GetClippingRect().IntersectionWith( MyClippingRect );

	// Ask the interface to draw the section
	int32 PostSectionLayer = SectionInterface->OnPaintSection( SectionGeometry, SectionClipRect, OutDrawElements, LayerId, bParentEnabled );
	
	DrawSectionBorders(AllottedGeometry, MyClippingRect, OutDrawElements, PostSectionLayer );

	PaintKeys( SectionGeometry, MyClippingRect, OutDrawElements, PostSectionLayer, InWidgetStyle );

	// Section name with drop shadow
	FText SectionTitle = SectionInterface->GetSectionTitle();
	if (!SectionTitle.IsEmpty())
	{
		FSlateDrawElement::MakeText(
			OutDrawElements,
			PostSectionLayer+1,
			SectionGeometry.ToOffsetPaintGeometry(FVector2D(6, 6)),
			SectionTitle,
			FEditorStyle::GetFontStyle("NormalFont"),
			MyClippingRect,
			ESlateDrawEffect::None,
			FLinearColor::Black
			);

		FSlateDrawElement::MakeText(
			OutDrawElements,
			PostSectionLayer+2,
			SectionGeometry.ToOffsetPaintGeometry(FVector2D(5, 5)),
			SectionTitle,
			FEditorStyle::GetFontStyle("NormalFont"),
			MyClippingRect,
			ESlateDrawEffect::None,
			FLinearColor::White
			);
	}

	


	return LayerId;
}
FVector2D FGeometryHelper::CenterOf(const FGeometry& SomeGeometry)
{
	const FVector2D GeometryDrawSize = SomeGeometry.GetDrawSize();
	return SomeGeometry.AbsolutePosition + (GeometryDrawSize * 0.5f);
}