mirror of
https://github.com/litruv/TobiiEyetracking.git
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91 lines
3.5 KiB
C++
91 lines
3.5 KiB
C++
/******************************************************************************
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* Copyright 2017- Tobii Technology AB. All rights reserved.
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*
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* @author Temaran | Fredrik Lindh | fredrik.lindh@tobii.com | https://github.com/Temaran
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******************************************************************************/
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#pragma once
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#include "Slate/SRetainerWidget.h"
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#include "TobiiGTOMTypes.h"
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#include "STobiiRadialMenuWidget.h"
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#include "CoreMinimal.h"
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#include "DisplayDebugHelpers.h"
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#include "Widgets/Layout/SBox.h"
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class AHUD;
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class UCanvas;
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class UTobiiGazeFocusableWidget;
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//This is the underlying slate widget.
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//WARNING: Please note that we do not support using these directly yet.
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class TOBIIGTOM_API STobiiGazeFocusableWidget : public SBox
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{
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public:
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SLATE_BEGIN_ARGS(STobiiGazeFocusableWidget)
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{
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_Visibility = EVisibility::SelfHitTestInvisible;
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}
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SLATE_EVENT(FSimpleDelegate, OnHovered)
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SLATE_EVENT(FSimpleDelegate, OnUnhovered)
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/************************************************************************/
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/* From SBox widget */
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/************************************************************************/
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//Horizontal alignment of content in the area allotted to the SBox by its parent
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SLATE_ARGUMENT(EHorizontalAlignment, HAlign)
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//Vertical alignment of content in the area allotted to the SBox by its parent
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SLATE_ARGUMENT(EVerticalAlignment, VAlign)
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//Padding between the SBox and the content that it presents. Padding affects desired size.
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SLATE_ATTRIBUTE(FMargin, Padding)
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//The widget content presented by the SBox
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SLATE_DEFAULT_SLOT(FArguments, Content)
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SLATE_END_ARGS()
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/************************************************************************/
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/* Tobii */
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/************************************************************************/
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public:
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TWeakObjectPtr<UTobiiGazeFocusableWidget> UMGWidget;
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STobiiGazeFocusableWidget();
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void Construct(const FArguments& InArgs);
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float GetCleanUIAlpha() { return CleanUIAlpha; }
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bool IsHoveredByPointer() { return bIsHovered; }
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bool HitByGaze();
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void AddExtraCleanUIContainerToPollHitsFrom(STobiiGazeFocusableWidget* CleanUIContainerToPoll, bool PollGazeHits = true, bool PollMouseHits = true);
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void RemoveExtraCleanUIContainerToPollHitsFrom(STobiiGazeFocusableWidget* CleanUIContainerToStopPolling);
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static STobiiGazeFocusableWidget* TryCastToTobiiGazeFocusable(SWidget* Widget);
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/************************************************************************/
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/* SBox */
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/************************************************************************/
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public:
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FSimpleDelegate OnHovered;
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FSimpleDelegate OnUnhovered;
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virtual void Tick(const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime) override;
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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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virtual void OnMouseEnter(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
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virtual void OnMouseLeave(const FPointerEvent& MouseEvent) override;
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private:
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struct CleanUIPollingInfo
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{
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TWeakPtr<SWidget> CleanUIToPollFrom;
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bool PollGaze;
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bool PollPointer;
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};
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float CleanUIAlpha;
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TArray<CleanUIPollingInfo> CleanUIContainersToPollHitsFrom;
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};
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