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| | SLATE_BEGIN_ARGS (SBackgroundBlur) |
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| SLATE_API | SBackgroundBlur () |
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| virtual SLATE_API | ~SBackgroundBlur () |
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| SLATE_API void | Construct (const FArguments &InArgs) |
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| virtual SLATE_API int32 | OnPaint (const FPaintArgs &Args, const FGeometry &AllottedGeometry, const FSlateRect &MyCullingRect, FSlateWindowElementList &OutDrawElements, int32 LayerId, const FWidgetStyle &InWidgetStyle, bool bParentEnabled) const override |
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| SLATE_API void | SetContent (const TSharedRef< SWidget > &InContent) |
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| SLATE_API void | SetApplyAlphaToBlur (bool bInApplyAlphaToBlur) |
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| SLATE_API void | SetBlurRadius (TAttribute< TOptional< int32 > > InBlurRadius) |
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| SLATE_API void | SetBlurStrength (TAttribute< float > InStrength) |
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| SLATE_API void | SetCornerRadius (TAttribute< FVector4 > InCornerRadius) |
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| SLATE_API void | SetLowQualityBackgroundBrush (const FSlateBrush *InBrush) |
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| SLATE_API void | SetHAlign (EHorizontalAlignment HAlign) |
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| SLATE_API void | SetVAlign (EVerticalAlignment VAlign) |
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| SLATE_API void | SetPadding (TAttribute< FMargin > InPadding) |
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| SLATE_API bool | IsUsingLowQualityFallbackBrush () const |
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| const FVector2D | GetContentScale () const |
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| void | SetContentScale (TAttribute< FVector2D > InContentScale) |
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| FLinearColor | GetColorAndOpacity () const |
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| void | SetColorAndOpacity (TAttribute< FLinearColor > InColorAndOpacity) |
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| void | SetForegroundColor (TAttribute< FSlateColor > InForegroundColor) |
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| virtual SLATECORE_API FChildren * | GetChildren () override |
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| virtual SLATECORE_API void | OnArrangeChildren (const FGeometry &AllottedGeometry, FArrangedChildren &ArrangedChildren) const override |
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| virtual SLATECORE_API FSlateColor | GetForegroundColor () const override |
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| virtual SLATECORE_API void | SetVisibility (TAttribute< EVisibility > InVisibility) override final |
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| SLATECORE_API int32 | Paint (const FPaintArgs &Args, const FGeometry &AllottedGeometry, const FSlateRect &MyCullingRect, FSlateWindowElementList &OutDrawElements, int32 LayerId, const FWidgetStyle &InWidgetStyle, bool bParentEnabled) const |
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| virtual SLATECORE_API void | Tick (const FGeometry &AllottedGeometry, const double InCurrentTime, const float InDeltaTime) |
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| virtual SLATECORE_API FReply | OnFocusReceived (const FGeometry &MyGeometry, const FFocusEvent &InFocusEvent) |
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| virtual SLATECORE_API void | OnFocusLost (const FFocusEvent &InFocusEvent) |
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| virtual SLATECORE_API void | OnFocusChanging (const FWeakWidgetPath &PreviousFocusPath, const FWidgetPath &NewWidgetPath, const FFocusEvent &InFocusEvent) |
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| virtual SLATECORE_API FReply | OnKeyChar (const FGeometry &MyGeometry, const FCharacterEvent &InCharacterEvent) |
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| virtual SLATECORE_API FReply | OnPreviewKeyDown (const FGeometry &MyGeometry, const FKeyEvent &InKeyEvent) |
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| virtual SLATECORE_API FReply | OnKeyDown (const FGeometry &MyGeometry, const FKeyEvent &InKeyEvent) |
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| virtual SLATECORE_API FReply | OnKeyUp (const FGeometry &MyGeometry, const FKeyEvent &InKeyEvent) |
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| virtual SLATECORE_API FReply | OnAnalogValueChanged (const FGeometry &MyGeometry, const FAnalogInputEvent &InAnalogInputEvent) |
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| virtual SLATECORE_API FReply | OnMouseButtonDown (const FGeometry &MyGeometry, const FPointerEvent &MouseEvent) |
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| virtual SLATECORE_API FReply | OnPreviewMouseButtonDown (const FGeometry &MyGeometry, const FPointerEvent &MouseEvent) |
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| virtual SLATECORE_API FReply | OnMouseButtonUp (const FGeometry &MyGeometry, const FPointerEvent &MouseEvent) |
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| virtual SLATECORE_API FReply | OnMouseMove (const FGeometry &MyGeometry, const FPointerEvent &MouseEvent) |
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| virtual SLATECORE_API void | OnMouseEnter (const FGeometry &MyGeometry, const FPointerEvent &MouseEvent) |
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| virtual SLATECORE_API void | OnMouseLeave (const FPointerEvent &MouseEvent) |
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| virtual SLATECORE_API FReply | OnMouseWheel (const FGeometry &MyGeometry, const FPointerEvent &MouseEvent) |
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| virtual SLATECORE_API FCursorReply | OnCursorQuery (const FGeometry &MyGeometry, const FPointerEvent &CursorEvent) const |
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| virtual SLATECORE_API TOptional< TSharedRef< SWidget > > | OnMapCursor (const FCursorReply &CursorReply) const |
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| virtual SLATECORE_API FReply | OnMouseButtonDoubleClick (const FGeometry &InMyGeometry, const FPointerEvent &InMouseEvent) |
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| virtual SLATECORE_API bool | OnVisualizeTooltip (const TSharedPtr< SWidget > &TooltipContent) |
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| virtual SLATECORE_API TSharedPtr< FPopupLayer > | OnVisualizePopup (const TSharedRef< SWidget > &PopupContent) |
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| virtual SLATECORE_API FReply | OnDragDetected (const FGeometry &MyGeometry, const FPointerEvent &MouseEvent) |
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| virtual SLATECORE_API void | OnDragEnter (const FGeometry &MyGeometry, const FDragDropEvent &DragDropEvent) |
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| virtual SLATECORE_API void | OnDragLeave (const FDragDropEvent &DragDropEvent) |
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| virtual SLATECORE_API FReply | OnDragOver (const FGeometry &MyGeometry, const FDragDropEvent &DragDropEvent) |
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| virtual SLATECORE_API FReply | OnDrop (const FGeometry &MyGeometry, const FDragDropEvent &DragDropEvent) |
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| virtual SLATECORE_API FReply | OnTouchGesture (const FGeometry &MyGeometry, const FPointerEvent &GestureEvent) |
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| virtual SLATECORE_API FReply | OnTouchStarted (const FGeometry &MyGeometry, const FPointerEvent &InTouchEvent) |
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| virtual SLATECORE_API FReply | OnTouchMoved (const FGeometry &MyGeometry, const FPointerEvent &InTouchEvent) |
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| virtual SLATECORE_API FReply | OnTouchEnded (const FGeometry &MyGeometry, const FPointerEvent &InTouchEvent) |
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| virtual SLATECORE_API FReply | OnTouchForceChanged (const FGeometry &MyGeometry, const FPointerEvent &TouchEvent) |
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| virtual SLATECORE_API FReply | OnTouchFirstMove (const FGeometry &MyGeometry, const FPointerEvent &TouchEvent) |
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| virtual SLATECORE_API FReply | OnMotionDetected (const FGeometry &MyGeometry, const FMotionEvent &InMotionEvent) |
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| virtual SLATECORE_API TOptional< bool > | OnQueryShowFocus (const EFocusCause InFocusCause) const |
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| virtual SLATECORE_API FPopupMethodReply | OnQueryPopupMethod () const |
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| virtual SLATECORE_API TOptional< FVirtualPointerPosition > | TranslateMouseCoordinateForCustomHitTestChild (const SWidget &ChildWidget, const FGeometry &MyGeometry, const FVector2D ScreenSpaceMouseCoordinate, const FVector2D LastScreenSpaceMouseCoordinate) const |
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| virtual SLATECORE_API void | OnFinishedPointerInput () |
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| virtual SLATECORE_API void | OnFinishedKeyInput () |
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| virtual SLATECORE_API FNavigationReply | OnNavigation (const FGeometry &MyGeometry, const FNavigationEvent &InNavigationEvent) |
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| virtual SLATECORE_API EWindowZone::Type | GetWindowZoneOverride () const |
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| bool | NeedsPrepass () const |
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| SLATECORE_API void | SlatePrepass () |
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| SLATECORE_API void | SlatePrepass (float InLayoutScaleMultiplier) |
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| void | SetCanTick (bool bInCanTick) |
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| bool | GetCanTick () const |
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| bool | HasRegisteredSlateAttribute () const |
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| bool | IsAttributesUpdatesEnabled () const |
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| const FSlateWidgetPersistentState & | GetPersistentState () const |
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| const FWidgetProxyHandle | GetProxyHandle () const |
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| SLATECORE_API UE::Slate::FDeprecateVector2DResult | GetDesiredSize () const |
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| SLATECORE_API void | AssignParentWidget (TSharedPtr< SWidget > InParent) |
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| SLATECORE_API bool | ConditionallyDetatchParentWidget (SWidget *InExpectedParent) |
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| virtual bool | ValidatePathToChild (SWidget *InChild) |
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| bool | IsParentValid () const |
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| TSharedPtr< SWidget > | GetParentWidget () const |
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| TSharedPtr< SWidget > | Advanced_GetPaintParentWidget () const |
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| SLATECORE_API FSlateRect | CalculateCullingAndClippingRules (const FGeometry &AllottedGeometry, const FSlateRect &MyCullingRect, bool &bClipToBounds, bool &bAlwaysClip, bool &bIntersectClipBounds) const |
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| bool | HasAnyUpdateFlags (EWidgetUpdateFlags FlagsToCheck) const |
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| TStatId | GetStatID (bool bForDeferredUse=false) const |
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| virtual SLATECORE_API float | GetRelativeLayoutScale (const int32 ChildIndex, float LayoutScaleMultiplier) const |
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| SLATECORE_API void | ArrangeChildren (const FGeometry &AllottedGeometry, FArrangedChildren &ArrangedChildren, bool bUpdateAttributes=false) const |
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| virtual FChildren * | GetAllChildren () |
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| virtual SLATECORE_API bool | SupportsKeyboardFocus () const |
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| virtual SLATECORE_API bool | HasKeyboardFocus () const |
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| SLATECORE_API TOptional< EFocusCause > | HasUserFocus (int32 UserIndex) const |
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| SLATECORE_API TOptional< EFocusCause > | HasAnyUserFocus () const |
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| SLATECORE_API bool | HasUserFocusedDescendants (int32 UserIndex) const |
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| SLATECORE_API bool | HasFocusedDescendants () const |
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| SLATECORE_API bool | HasAnyUserFocusOrFocusedDescendants () const |
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| SLATECORE_API bool | HasMouseCapture () const |
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| SLATECORE_API bool | HasMouseCaptureByUser (int32 UserIndex, TOptional< int32 > PointerIndex=TOptional< int32 >()) const |
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| virtual SLATECORE_API void | OnMouseCaptureLost (const FCaptureLostEvent &CaptureLostEvent) |
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| void | SetEnabled (TAttribute< bool > InEnabledState) |
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| bool | IsEnabled () const |
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| virtual bool | IsInteractable () const |
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| virtual SLATECORE_API TSharedPtr< IToolTip > | GetToolTip () |
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| virtual SLATECORE_API void | OnToolTipClosing () |
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| SLATECORE_API void | EnableToolTipForceField (const bool bEnableForceField) |
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| bool | HasToolTipForceField () const |
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| bool | IsHovered () const |
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| SLATECORE_API bool | IsDirectlyHovered () const |
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| EVisibility | GetVisibility () const |
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| bool | IsVolatile () const |
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| bool | IsVolatileIndirectly () const |
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| void | ForceVolatile (bool bForce) |
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| bool | ShouldInvalidatePrepassDueToVolatility () |
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| SLATECORE_API void | Invalidate (EInvalidateWidgetReason InvalidateReason) |
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| void | CacheVolatility () |
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| void | MarkPrepassAsDirty () |
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| float | GetRenderOpacity () const |
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| void | SetRenderOpacity (float InRenderOpacity) |
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| void | SetTag (FName InTag) |
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| const TOptional< FSlateRenderTransform > & | GetRenderTransform () const |
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| TOptional< FSlateRenderTransform > | GetRenderTransformWithRespectToFlowDirection () const |
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| UE::Slate::FDeprecateVector2DResult | GetRenderTransformPivotWithRespectToFlowDirection () const |
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| void | SetRenderTransform (TAttribute< TOptional< FSlateRenderTransform > > InTransform) |
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| UE::Slate::FDeprecateVector2DResult | GetRenderTransformPivot () const |
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| void | SetRenderTransformPivot (TAttribute< FVector2D > InTransformPivot) |
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| SLATECORE_API void | SetClipping (EWidgetClipping InClipping) |
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| EWidgetClipping | GetClipping () const |
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| SLATECORE_API void | SetPixelSnapping (EWidgetPixelSnapping InPixelSnappingMethod) |
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| EWidgetPixelSnapping | GetPixelSnapping () const |
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| void | SetCullingBoundsExtension (const FMargin &InCullingBoundsExtension) |
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| FMargin | GetCullingBoundsExtension () const |
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| void | SetFlowDirectionPreference (EFlowDirectionPreference InFlowDirectionPreference) |
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| EFlowDirectionPreference | GetFlowDirectionPreference () const |
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| SLATECORE_API void | SetToolTipText (const TAttribute< FText > &ToolTipText) |
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| SLATECORE_API void | SetToolTipText (const FText &InToolTipText) |
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| SLATECORE_API void | SetToolTip (const TAttribute< TSharedPtr< IToolTip > > &InToolTip) |
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| SLATECORE_API void | SetCursor (const TAttribute< TOptional< EMouseCursor::Type > > &InCursor) |
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| template<typename MetaDataType > |
| TSharedPtr< MetaDataType > | GetMetaData () const |
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| template<typename MetaDataType > |
| TArray< TSharedRef< MetaDataType > > | GetAllMetaData () const |
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| template<typename MetaDataType > |
| void | AddMetadata (const TSharedRef< MetaDataType > &AddMe) |
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| template<typename MetaDataType > |
| int32 | RemoveMetaData (const TSharedRef< MetaDataType > &RemoveMe) |
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| SLATECORE_API void | SetOnMouseButtonDown (FPointerEventHandler EventHandler) |
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| SLATECORE_API void | SetOnMouseButtonUp (FPointerEventHandler EventHandler) |
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| SLATECORE_API void | SetOnMouseMove (FPointerEventHandler EventHandler) |
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| SLATECORE_API void | SetOnMouseDoubleClick (FPointerEventHandler EventHandler) |
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| SLATECORE_API void | SetOnMouseEnter (FNoReplyPointerEventHandler EventHandler) |
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| SLATECORE_API void | SetOnMouseLeave (FSimpleNoReplyPointerEventHandler EventHandler) |
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| virtual SLATECORE_API FString | ToString () const |
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| SLATECORE_API FString | GetTypeAsString () const |
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| SLATECORE_API FName | GetType () const |
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| virtual SLATECORE_API FString | GetReadableLocation () const |
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| SLATECORE_API FName | GetCreatedInLocation () const |
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| virtual SLATECORE_API FName | GetTag () const |
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| virtual SLATECORE_API FSlateColor | GetDisabledForegroundColor () const |
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| SLATECORE_API const FGeometry & | GetCachedGeometry () const |
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| SLATECORE_API const FGeometry & | GetTickSpaceGeometry () const |
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| SLATECORE_API const FGeometry & | GetPaintSpaceGeometry () const |
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| const TOptional< FSlateClippingState > & | GetCurrentClippingState () const |
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| virtual bool | Advanced_IsWindow () const |
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| virtual bool | Advanced_IsInvalidationRoot () const |
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| virtual const FSlateInvalidationRoot * | Advanced_AsInvalidationRoot () const |
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| SLATECORE_API TSharedRef< FActiveTimerHandle > | RegisterActiveTimer (float TickPeriod, FWidgetActiveTimerDelegate TickFunction) |
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| SLATECORE_API void | UnRegisterActiveTimer (const TSharedRef< FActiveTimerHandle > &ActiveTimerHandle) |
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| bool | HasActiveTimers () const |
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| | FSlateControlledConstruction ()=default |
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| virtual | ~FSlateControlledConstruction ()=default |
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| virtual const FSlateWidgetClassData & | GetWidgetClass () const =0 |
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| void | operator delete (void *mem) |
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| TSharedRef< SWidget, Mode > | AsShared () |
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| TSharedRef< SWidget const, Mode > | AsShared () const |
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| TSharedRef< SubobjectType, Mode > | AsSharedSubobject (SubobjectType *SubobjectPtr) const |
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| TWeakPtr< SWidget, Mode > | AsWeak () |
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| TWeakPtr< SWidget const, Mode > | AsWeak () const |
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| TWeakPtr< SubobjectType, Mode > | AsWeakSubobject (SubobjectType *SubobjectPtr) const |
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| void | UpdateWeakReferenceInternal (TSharedPtr< SharedPtrType, SharedPtrMode > const *InSharedPtr, OtherType *InObject) const |
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| void | UpdateWeakReferenceInternal (TSharedRef< SharedRefType, SharedPtrMode > const *InSharedRef, OtherType *InObject) const |
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| UE_FORCEINLINE_HINT bool | DoesSharedInstanceExist () const |
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| SLATE_API void | ComputeEffectiveKernelSize (float Strength, int32 &OutKernelSize, int32 &OutDownsampleAmount) const |
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| TSlateAttributeRef< float > | GetBlurStrengthAttribute () const |
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| TSlateAttributeRef< TOptional< int32 > > | GetBlurRadiusAttribute () const |
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| virtual SLATECORE_API FVector2D | ComputeDesiredSize (float) const override |
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| TSlateAttributeRef< FVector2D > | GetContentScaleAttribute () const |
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| TSlateAttributeRef< FLinearColor > | GetColorAndOpacityAttribute () const |
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| TSlateAttributeRef< FSlateColor > | GetForegroundColorAttribute () const |
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| SLATECORE_API | SCompoundWidget () |
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| virtual SLATECORE_API | ~SCompoundWidget () |
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| void | SetVolatilePrepass (bool bVolatile) |
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| virtual bool | CustomPrepass (float LayoutScaleMultiplier) |
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| virtual SLATECORE_API void | CacheDesiredSize (float InLayoutScaleMultiplier) |
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| void | SetHover (TAttribute< bool > InHovered) |
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| bool | IsChildWidgetCulled (const FSlateRect &, const FArrangedWidget &) const |
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| SLATECORE_API void | InvalidateChildRemovedFromTree (SWidget &Child) |
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| bool | Advanced_InvalidateVolatility () |
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| EFlowDirection | ComputeFlowDirection () const |
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| SLATECORE_API void | SetDebugInfo (const ANSICHAR *InType, const ANSICHAR *InFile, int32 OnLine, size_t InAllocSize) |
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| virtual SLATECORE_API TOptional< EMouseCursor::Type > | GetCursor () const |
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| SLATECORE_API | SWidget () |
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| SLATECORE_API void | SWidgetConstruct (const FSlateBaseNamedArgs &Args) |
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| bool | IsConstructed () const |
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| SLATECORE_API bool | FindChildGeometries (const FGeometry &MyGeometry, const TSet< TSharedRef< SWidget > > &WidgetsToFind, TMap< TSharedRef< SWidget >, FArrangedWidget > &OutResult) const |
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| SLATECORE_API void | FindChildGeometries_Helper (const FGeometry &MyGeometry, const TSet< TSharedRef< SWidget > > &WidgetsToFind, TMap< TSharedRef< SWidget >, FArrangedWidget > &OutResult) const |
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| SLATECORE_API FGeometry | FindChildGeometry (const FGeometry &MyGeometry, TSharedRef< SWidget > WidgetToFind) const |
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| bool | ShouldBeEnabled (bool InParentEnabled) const |
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| virtual SLATECORE_API const FSlateBrush * | GetFocusBrush () const |
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| virtual bool | ComputeVolatility () const |
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| virtual SLATECORE_API void | OnClippingChanged () |
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| float | GetPrepassLayoutScaleMultiplier () const |
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| SLATECORE_API void | Prepass_ChildLoop (float InLayoutScaleMultiplier, FChildren *MyChildren) |
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| template<typename TargetValueType , typename SourceValueType > |
| bool | SetAttribute (TAttribute< TargetValueType > &TargetValue, const TAttribute< SourceValueType > &SourceValue, EInvalidateWidgetReason BaseInvalidationReason) |
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| TSlateAttributeRef< bool > | GetEnabledStateAttribute () const |
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| TSlateAttributeRef< bool > | GetHoveredAttribute () const |
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| TSlateAttributeRef< EVisibility > | GetVisibilityAttribute () const |
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| TSlateAttributeRef< TOptional< FSlateRenderTransform > > | GetRenderTransformAttribute () const |
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| TSlateAttributeRef< FVector2D > | GetRenderTransformPivotAttribute () const |
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| virtual SLATECORE_API | ~SWidget () |
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| | TSharedFromThis () |
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| | TSharedFromThis (TSharedFromThis const &) |
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| UE_FORCEINLINE_HINT TSharedFromThis & | operator= (TSharedFromThis const &) |
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| | ~TSharedFromThis () |
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A BackgroundBlur is similar to a Border in that it can be used to contain other widgets. However, instead of surrounding the content with an image, it applies a post-process blur to everything (both actors and widgets) that is underneath it.
Note: For low-spec machines where the blur effect is too computationally expensive, a user-specified fallback image is used instead (effectively turning this into a Border)