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9aeed01b0f
The tutorial overlay was traversing the widget hierarchy even if it had nothing to do. [CL 2302426 by Thomas Sarkanen in Main branch]
89 lines
3.6 KiB
C++
89 lines
3.6 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "EditorTutorial.h"
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class STutorialContent;
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/** Delegate used when drawing/arranging widgets */
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DECLARE_MULTICAST_DELEGATE_TwoParams(FOnPaintNamedWidget, TSharedRef<SWidget> /*InWidget*/, const FGeometry& /*InGeometry*/);
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/** Delegate used to inform widgets of the current window size, so they can auto-adjust layout */
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DECLARE_MULTICAST_DELEGATE_OneParam(FOnCacheWindowSize, const FVector2D& /*InWindowSize*/);
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/**
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* The widget which displays multiple 'floating' pieces of content overlaid onto the editor
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*/
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class STutorialOverlay : public SCompoundWidget
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{
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public:
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SLATE_BEGIN_ARGS( STutorialOverlay )
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{
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_Visibility = EVisibility::SelfHitTestInvisible;
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}
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/** The window this content is displayed over */
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SLATE_ARGUMENT(TWeakPtr<SWindow>, ParentWindow)
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/** Whether this a standalone widget (with its own close button) or part of a group of other widgets, paired with tutorial navigation */
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SLATE_ARGUMENT(bool, IsStandalone)
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/** Delegate fired when the close button is clicked */
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SLATE_ARGUMENT(FSimpleDelegate, OnClosed)
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SLATE_ARGUMENT(FSimpleDelegate, OnBackClicked)
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SLATE_ARGUMENT(FSimpleDelegate, OnHomeClicked)
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SLATE_ARGUMENT(FSimpleDelegate, OnNextClicked)
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SLATE_ATTRIBUTE(bool, IsBackEnabled)
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SLATE_ATTRIBUTE(bool, IsHomeEnabled)
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SLATE_ATTRIBUTE(bool, IsNextEnabled)
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/** Whether we can show full window content in this overlay (i.e. in the same window as the navigation controls) */
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SLATE_ARGUMENT(bool, AllowNonWidgetContent)
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SLATE_END_ARGS()
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void Construct(const FArguments& InArgs, UEditorTutorial* InTutorial, FTutorialStage* const InStage);
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/** SWidget implementation */
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virtual int32 OnPaint( const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled ) const override;
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private:
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/** Recursive function used to re-generate widget geometry and forward the geometry of named widgets onto their respective content */
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int32 TraverseWidgets(TSharedRef<SWidget> InWidget, const FGeometry& InGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId) const;
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/* Opens the browser that the given widget requires if it is not already. */
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void OpenBrowserForWidgetAnchor(const FTutorialWidgetContent &WidgetContent);
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/* Focus on the blueprint node if an anchor widget references one */
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void FocusOnAnyBlueprintNodes(const FTutorialWidgetContent &WidgetContent);
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/* Do any interaction stuff for a widget - open browser, scroll to node etc */
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void PerformWidgetInteractions(const FTutorialWidgetContent &WidgetContent);
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private:
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/** Reference to the canvas we use to position our content widgets */
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TSharedPtr<SCanvas> OverlayCanvas;
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/** The window this content is displayed over */
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TWeakPtr<SWindow> ParentWindow;
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/** Whether this a standalone widget (with its own close button) or part of a group of other widgets, paired with tutorial navigation */
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bool bIsStandalone;
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/** Delegate fired when a cos ebutton is clicked in tutorial content */
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FSimpleDelegate OnClosed;
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/** Delegate used when drawing/arranging widgets */
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FOnPaintNamedWidget OnPaintNamedWidget;
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/** Delegate used to reset drawing of named widgets */
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FSimpleMulticastDelegate OnResetNamedWidget;
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/** Delegate used to inform widgets of the current window size, so they can auto-adjust layout */
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FOnCacheWindowSize OnCacheWindowSize;
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/** Flag to see if we have valid content (this widget is created to also supply picker overlays) */
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bool bHasValidContent;
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}; |