90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Engine/EngineBaseTypes.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#include "Widgets/SCompoundWidget.h"
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#include "Animation/CurveSequence.h"
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#include "Editor/UnrealEdTypes.h"
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class SMenuAnchor;
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/**
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* A level viewport toolbar widget that is placed in a viewport
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*/
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class UNREALED_API SViewportToolBar: public SCompoundWidget
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{
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public:
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SLATE_BEGIN_ARGS(SViewportToolBar) {}
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SLATE_END_ARGS()
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void Construct(const FArguments& InArgs);
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/**
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* @return The currently open pull down menu if there is one
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*/
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TWeakPtr<SMenuAnchor> GetOpenMenu() const;
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/**
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* Sets the open menu to a new menu and closes any currently opened one
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*
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* @param NewMenu The new menu that is opened
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*/
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void SetOpenMenu(TSharedPtr<SMenuAnchor>& NewMenu);
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/**
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* @return The color and opacity of this viewport.
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*/
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FLinearColor OnGetColorAndOpacity() const;
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/** @return Whether the given viewmode is supported. */
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virtual bool IsViewModeSupported(EViewModeIndex ViewModeIndex) const;
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private:
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/**
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* Called when the mouse enters the toolbar area. We fade in the toolbar when this happens
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*
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* @param MyGeometry Information about the size of the toolbar
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* @param MouseEvent The mouse event that triggered this function
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*/
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virtual void OnMouseEnter(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
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/**
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* Called when the mouse leaves the toolbar area. We fade out the toolbar when this happens
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*
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* @param MouseEvent The mouse event that triggered this function
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*/
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virtual void OnMouseLeave(const FPointerEvent& MouseEvent) override;
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protected:
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/**
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* Returns the label for the "Camera" tool bar menu based on based viewport type
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*
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* @param ViewportType The Viewport type we want the label for
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*
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* @return Label to use for this menu label
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*/
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virtual FText GetCameraMenuLabelFromViewportType(const ELevelViewportType ViewportType) const;
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/**
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* Returns the label icon for the "Camera" tool bar menu, which changes depending on the viewport type
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*
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* @param ViewportType The Viewport type we want the icon for
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*
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* @return Label icon to use for this menu label
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*/
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virtual const FSlateBrush* GetCameraMenuLabelIconFromViewportType(const ELevelViewportType ViewportType) const;
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private:
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/** Curve sequence for fading out the toolbar */
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FCurveSequence FadeOutSequence;
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/** Curve sequence for fading in the toolbar */
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FCurveSequence FadeInSequence;
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/** The pulldown menu that is open if any */
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TWeakPtr<SMenuAnchor> OpenedMenu;
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/** True if the mouse is inside the toolbar */
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bool bIsHovered;
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};
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