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  3. SMenuAnchor

SMenuAnchor

A PopupAnchor summons a Popup relative to its content.

API > API/Runtime > API/Runtime/Slate > API/Runtime/Slate/Widgets > API/Runtime/Slate/Widgets/Input

Inheritance Hierarchy

References

   
Module Slate
Header /Engine/Source/Runtime/Slate/Public/Widgets/Input/SMenuAnchor.h
Include #include "Widgets/Input/SMenuAnchor.h"

Syntax

class SMenuAnchor :  
    public SPanel,  
    public IMenuHost

Remarks

A PopupAnchor summons a Popup relative to its content. Summoning a popup relative to the cursor is accomplished via the application.

Variables

  Type Name Description
Protected variable bool bApplyWidgetStyleToMenu Should we paint the popup using the received InWidgetStyle?
Protected variable bool bDismissedThisTick Was the menu just dismissed this tick?
Protected variable bool bFitInWindow Should the menu anchor fit inside the window?
Protected variable bool bIsCollapsedByParent Whether this menu should be collapsed when its parent gets focus
Protected variable bool bShouldDeferPaintingAfterWindowContent Should the menu content painting be deferred? If not, the menu content will layer over the menu anchor, rather than above all window contents.
Protected variable bool bUseApplicationMenuStack Should the menu by created by the application stack code making it behave like and have the lifetime of a normal menu?
Protected variable TPanelChildren< FBasicLayoutWidgetSlot > Children The currently arranged children in the menu anchor.
Protected variable FVector2D LocalPopupPosition  
Protected variable TSharedPtr< SWidget > MenuContent Static menu content to use when the delegate used when OnGetMenuContent is not defined.
Protected variable TOptional< EPopupMethod > Method Should we summon a new window for this popup or
Protected variable FPopupMethodReply MethodInUse Method currently being used to show the popup. No value if popup is closed.
Protected variable FOnGetContent OnGetMenuContent Callback invoked when the popup is being summoned
Protected variable FOnIsOpenChanged OnMenuOpenChanged Callback invoked when the popup is being opened/closed
Protected variable TSharedPtr< IMenu > OwnedMenuPtr An interface pointer to the menu object presenting this popup.
Protected variable TAttribute< EMenuPlacement > Placement How should the popup be placed relative to the anchor.
Protected variable TWeakPtr< IMenu > PopupMenuPtr An interface pointer to the menu object presenting this popup.
Protected variable TWeakPtr< SWindow > PopupWindowPtr A pointer to the window presenting this popup.
Protected variable FVector2D ScreenPopupPosition Screen-space version of LocalPopupPosition, also cached in Tick.
Protected variable TSharedPtr< SWidget > WrappedContent MenuContent plus any extra wrapping widgets needed by the menu infrastructure.

Constructors

  Type Name Description
Public function    

Destructors

  Type Name Description
Public function Virtual    

Functions

  Type Name Description
Protected function Const FGeometry

ComputeNewWindowMenuPlacement ( const FGeometry& AllottedGeometry,
const FVector2D& PopupDesiredSize,
EMenuPlacement PlacementMode
)

 Computes the placement geometry for menus displayed in a separately created window
Public function void

Construct ( const FArguments& InArgs
)

 Construct this widget
Public function Static void  
Public function Const FVector2D  
Public function Const bool  
Public function Const bool

IsOpen ()

  
Protected function Const bool  
Protected function Const bool  
Protected function void

OnMenuClosed ( TSharedRef< IMenu > InMenu
)

 Handler/callback called by menus created by this anchor, when they are dismissed
Protected function void Reset the popup state to prepopup.
Public function void

SetContent ( TSharedRef< SWidget > InContent
)

 See Content Slot attribute
Public function void

SetFitInWindow ( bool bFit
)

  
Public function Virtual void

SetIsOpen ( bool InIsOpen,
const bool bFocusMenu,
const int32 FocusUserIndex
)

 Open or close the popup
Public function Virtual void

SetMenuContent ( TSharedRef< SWidget > InMenuContent
)

 See MenuContent attribute
Public function void

SetMenuPlacement ( TAttribute< EMenuPlacement > InMenuPlacement
)

  
Public function Const bool  

Overridden from SWidget

  Type Name Description
Protected function Virtual Const FVector2D

ComputeDesiredSize ( float
)

 A Panel's desired size in the space required to arrange of its children on the screen while respecting all of the children's desired sizes and any layout-related options specified by the user.
Protected function Virtual Const bool Recomputes the volatility of the widget.
Protected function Virtual FChildren * All widgets must provide a way to access their children in a layout-agnostic way.
Protected function Virtual Const void

OnArrangeChildren ( const FGeometry& AllottedGeometry,
FArrangedChildren& ArrangedChildren
)

 Panels arrange their children in a space described by the AllottedGeometry parameter.
Protected function Virtual Const int32

OnPaint ( const FPaintArgs& Args,
const FGeometry& AllottedGeometry,
const FSlateRect& MyCullingRect,
FSlateWindowElementList& OutDrawElements,
int32 LayerId,
const FWidgetStyle& InWidgetStyle,
bool bParentEnabled
)

 The widget should respond by populating the OutDrawElements array with FDrawElements that represent it and any of its children.
Protected function Virtual void

Tick ( const FGeometry& AllottedGeometry,
const double InCurrentTime,
const float InDeltaTime
)

 Ticks this widget with Geometry.

Overridden from IMenuHost

  Type Name Description
Public function Virtual Const TSharedPtr< SWindow >  
Public function Virtual void  
Public function Virtual Const bool  

Classes

  Type Name Description
Public struct FArguments    
Protected struct FPopupPlacement    

Constants

Name Description
OpenApplicationMenus  

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