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c7ba265891
* Paint is now the non-virtual entry point to OnPaint to support required pre/post functionality. Widgets override OnPaint as usual, but calls to tell a widget to paint should be "Paint" not "OnPaint". * ArrangeChildren -> OnArrangeChildren. ArrangeChildren is now the non-virtual entry point for the same reason as Paint/OnPain. * OnPaint and OnArrageChildren are now private so they are not accidentally called. * Added Stats for Paint time and ArrangeChildren time. #BUN #codereview:nick.atamas,max.preussner [CL 2086158 by Wes Hunt in Main branch]
107 lines
3.5 KiB
C++
107 lines
3.5 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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#pragma once
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/**
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* A widget for displaying a sequencer tree node in the animation outliner
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*/
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class SAnimationOutlinerTreeNode : public SCompoundWidget
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{
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public:
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/** A delegate called when the widget is selected */
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DECLARE_DELEGATE_OneParam( FOnNodeSelectionChanged, TSharedPtr<class FSequencerDisplayNode> )
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SLATE_BEGIN_ARGS( SAnimationOutlinerTreeNode ) {}
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/** Called when the widget is selected */
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SLATE_EVENT( FOnNodeSelectionChanged, OnSelectionChanged )
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SLATE_END_ARGS()
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void Construct( const FArguments& InArgs, TSharedRef<FSequencerDisplayNode> Node );
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/**
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* @return The display node used by this widget
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*/
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const TSharedPtr< const FSequencerDisplayNode> GetDisplayNode() const { return DisplayNode; }
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private:
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/** SWidget Interface */
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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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/**
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* Called when the expander arrow is clicked
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*/
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FReply OnExpanderClicked();
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/**
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* @return The border image to show in the tree node
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*/
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const FSlateBrush* GetNodeBorderImage() const;
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/**
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* @return The expander image to show
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*/
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const FSlateBrush* OnGetExpanderImage() const;
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/**
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* @return The visibility of this node
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*/
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EVisibility GetNodeVisibility() const;
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/**
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* @return The expander visibility of this node
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*/
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EVisibility GetExpanderVisibility() const;
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private:
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/** Layout node the widget is visualizing */
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TSharedPtr<FSequencerDisplayNode> DisplayNode;
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/** Delegate to call when the node is selected */
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FOnNodeSelectionChanged OnSelectionChanged;
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/** Brush to display a border around the widget when it is selected */
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const FSlateBrush* SelectedBrush;
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/** Brush to use if the node is not selected */
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const FSlateBrush* NotSelectedBrush;
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/** Brush to use for the expander image when this node is expanded */
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const FSlateBrush* ExpandedBrush;
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/** BBrush to use for the expamnder image when this node is collapsed */
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const FSlateBrush* CollapsedBrush;
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};
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typedef TSequencerTrackViewPanel<SAnimationOutlinerTreeNode> SAnimationOutlinerViewBase;
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/**
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* AnimationOutliner
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*/
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class SAnimationOutlinerView : public SAnimationOutlinerViewBase
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{
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public:
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SLATE_BEGIN_ARGS( SAnimationOutlinerView ) {}
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SLATE_END_ARGS()
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/** Construct this widget. Called by the SNew() Slate macro. */
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void Construct( const FArguments& InArgs, TSharedRef<FSequencerDisplayNode> RootNode, TSharedRef<FSequencer> InSequencer );
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/** SAnimationOutlinerView destructor */
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virtual ~SAnimationOutlinerView();
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private:
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/** @return The visibility of our root node */
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EVisibility GetNodeVisibility() const;
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/** Generates an internal widget for the specified LayoutNode */
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void GenerateWidgetForNode( TSharedRef<FSequencerDisplayNode>& InLayoutNode );
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/** SPanel Interface */
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virtual void OnArrangeChildren( const FGeometry& AllottedGeometry, FArrangedChildren& ArrangedChildren ) const OVERRIDE;
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/**
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* Called when a node is selected in the outliner
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*
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* @param AffectedNode The node that was selected
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*/
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void OnSelectionChanged( TSharedPtr<FSequencerDisplayNode> AffectedNode );
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private:
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/** Internal sequencer interface */
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TWeakPtr<FSequencer> Sequencer;
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}; |