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Unreal Engine C++ API Reference > Editor > GraphEditor
Inheritance Hierarchy
References
Module | GraphEditor |
Header | /Engine/Source/Editor/GraphEditor/Public/SNodePanel.h |
Include | #include "SNodePanel.h" |
Syntax
class SNodePanel : public [SPanel](API\Runtime\SlateCore\Widgets\SPanel)
Variables
Type | Name | Description |
---|---|---|
bool | bAllowContinousZoomInterpolation | Allow continous zoom interpolation? |
bool | bDeferredZoomToNodeExtents | Deferred zoom to node extents |
bool | bDeferredZoomToSelection | Deferred zoom to selected node extents |
bool | bIsPanning | Are we panning the view at the moment? |
bool | bIsZoomingWithTrackpad | Are we zooming the view with trackpad at the moment? |
bool | bRequestDeferredPan | True if pending request for deferred panning |
bool | bShowSoftwareCursor | Whether the software cursor should be drawn |
bool | bTeleportInsteadOfScrollingWhenZoomingToFit | Teleport immediately, or smoothly scroll when doing a deferred zoom |
bool | bVisualUpdatePending | A flag to detect when a visual update is pending to prevent deferred commands like zoom to fit from running when there are no widgets |
FGeometry | CachedGeometry | Cached geometry for use within the active timer |
TSlotlessChildr... | Children | The graph node widgets owned by this panel |
EGraphRendering... | CurrentLOD | Current LOD level for nodes/pins |
const UObject &... | DeferredMovementTargetObject | If non-null and a part of this panel, this node will be brought into view on the next Tick |
FVector2D | DeferredPanPosition | Position to pan to |
TSet< const UOb... | DeferredSelectionTargetObjects | If not empty and a part of this panel, this node will be selected and brought into view on the next Tick |
TAttribute< boo... | IsEditable | Is the graph editable (can nodes be moved, etc...)? |
FInputChord | LastKeyChordDetected | The last key chord detected in this graph panel |
FMarqueeOperati... | Marquee | A pending marquee operation if it's active |
FVector2D | NodeGrabOffset | Where in the title the user grabbed to initiate the drag |
TMap< UObject &... | NodeToWidgetLookup | Given a node, find the corresponding widget |
TWeakPtr< SNode... | NodeUnderMousePtr | The node that the user is dragging. Null when they are not dragging a node. |
FVector2D | OldViewOffset | The position within the graph at which the user was looking last tick |
float | OldZoomAmount | The actual scalar zoom amount last tick |
SGraphEditor::F... | OnNodeSingleClicked | Called when the user left clicks on a node without dragging |
SGraphEditor::F... | OnSpawnNodeByShortcut | Invoked when the user may be attempting to spawn a node using a shortcut |
TMap< TWeakPtr<... | OriginalNodePositions | Node positions pre-drag, used to limit transaction creation on drag |
FVector2D | PastePosition | The position where we should paste when a user executes the paste command. |
int32 | PreviousZoomLevel | Previous Zoom Level |
TSharedPtr< FSc... | ScopedTransactionPtr | The current transaction for undo/redo |
FGraphSelection... | SelectionManager | Nodes selected in this instance of the editor; the selection is per-instance of the GraphEditor |
FVector2D | SoftwareCursorPosition | The current position of the software cursor |
float | TotalGestureMagnify | Cumulative magnify delta from trackpad gesture |
float | TotalMouseDelta | The total distance that the mouse has been dragged while down |
float | TotalMouseDeltaXY | The additive X and Y components of mouse drag (used when zooming) |
FVector2D | ViewOffset | The position within the graph at which the user is looking |
TSlotlessChildr... | VisibleChildren | |
int32 | ZoomLevel | How zoomed in/out we are. e.g. 0.25f results in quarter-sized nodes. |
FCurveSequence | ZoomLevelFade | Curve that handles fading the 'Zoom +X' text |
FCurveSequence | ZoomLevelGraphFade | Fade on zoom for graph |
TUniquePtr< FZo... | ZoomLevels | The interface for mapping ZoomLevel values to actual node scaling values. |
float | ZoomPadding | Zoom selection padding |
FVector2D | ZoomStartOffset | Offset in the panel the user started the LMB+RMB zoom from |
Constructors
Type | Name | Description |
---|---|---|
SNodePanel () |
Functions
Type | Name | Description |
---|---|---|
void | AddGraphNode ( const TSharedRef< SNode >& NodeToA... ) | Add a slot to the CanvasPanel dynamically |
void | ApplyMarqueeSelection ( const FMarqueeOperation& InMarquee, const FGraphPanelSelectionSet& Cur..., TSet< TObjectPtr< UObject >>& OutN... ) | Apply the marquee operation to the current selection |
void | ArrangeChildNodes ( const FGeometry& AllottedGeometry, FArrangedChildren& ArrangedChildre... ) | Arrange child nodes - allows derived classes to supply non-node children in OnArrangeChildren |
void | CancelZoomToFit () | Cancels any active zoom-to-fit action. |
void | CenterObject ( const UObject* ObjectToCenter ) | On the next tick, centers the widget associated with the object if it exists |
void | ChangeZoomLevel ( int32 ZoomLevelDelta, const FVector2D& WidgetSpaceZoomOr..., bool bOverrideZoomLimiting ) | Change zoom level by the specified zoom level delta, about the specified origin. |
FVector2D | ComputeEdgePanAmount ( const FGeometry& MyGeometry, const FVector2D& MouseEvent ) | Compute much panel needs to change to pan to location |
void | Construct () | Initialize members |
bool | Contains ( UObject* Node ) | Is the given node being observed by a widget in this panel? |
void | FinalizeNodeMovements () | Commit transactions for any node movements |
void | FindNodesAffectedByMarquee ( FGraphPanelSelectionSet& OutAffect... ) | Figure out which nodes intersect the marquee rectangle |
bool | GetBoundsForNode ( const UObject* InNode, FVector2D& MinCorner, FVector2D& MaxCorner, float Padding ) | Get the bounds of the given node |
bool | GetBoundsForNodes ( bool bSelectionSetOnly, FVector2D& MinCorner, FVector2D& MaxCorner, float Padding ) | Get the bounds of the selected nodes |
bool | GetBoundsForSelectedNodes ( FSlateRect& Rect, float Padding ) | Get the bounding area for the currently selected nodes |
EGraphRender... | GetCurrentLOD () | Returns the current LOD level of this panel, based on the zoom factor |
FVector2D | GetPastePosition () | |
uint32 | GetSnapGridSize () | Get the grid snap size |
const FGuid ... | GetViewBookmarkId () | |
FVector2D | GetViewOffset () | |
float | GetZoomAmount () | The zoom amount; e.g. a value of 0.25f results in quarter-sized nodes |
bool | GetZoomTargetRect ( FVector2D& TopLeft, FVector2D& BottomRight ) | When a panel is scrolling/zooming to a target, this can be called to get it's destination |
FText | GetZoomText () | |
FSlateColor | GetZoomTextColorAndOpacity () | |
FVector2D | GraphCoordToPanelCoord ( const FVector2D& GraphSpaceCoordin... ) | Given a coordinate in graph space (e.g. a node's position), return the same coordinate in widget space while taking zoom and panning into account |
bool | HasDeferredObjectFocus () | If it is focusing on a particular object |
bool | HasDeferredZoomDestination () | Query whether this graph is about to start panning/zooming towards a destination |
bool | HasMoved () | Returns if the panel has been panned or zoomed since the last update |
bool | IsNodeCulled ( const TSharedRef< SNode >& Node, const FGeometry& AllottedGeometry ) | Determines if a specified node is not visually relevant. |
void | OnBeginNodeInteraction ( const TSharedRef< SNode >& InNodeT..., const FVector2D& GrabOffset ) | Lets the CanvasPanel know that the user is interacting with a node. |
void | OnEndNodeInteraction ( const TSharedRef< SNode >& InNodeT... ) | Lets the CanvasPanel know that the user has ended interacting with a node. |
bool | OnHandleLeftMouseRelease ( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) | |
TSharedPtr< ... | OnSummonContextMenu ( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) | INTERFACE TO IMPLEMENT. |
void | PaintBackgroundAsLines ( const FSlateBrush* BackgroundI..., const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawEl..., int32& DrawLayerId ) | Paint the background as lines. |
void | PaintComment ( const FString& CommentText, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawEl..., int32 DrawLayerId, const FLinearColor& CommentTinting, float& HeightAboveNode, const FWidgetStyle& InWidgetStyle ) | Paint a comment bubble. |
void | PaintMarquee ( const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawEl..., int32 DrawLayerId ) | Paint the marquee selection rectangle. |
void | PaintSoftwareCursor ( const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawEl..., int32 DrawLayerId ) | Paint the software mouse if necessary. |
void | PaintSurroundSunkenShadow ( const FSlateBrush* ShadowImage, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawEl..., int32 DrawLayerId ) | Paint the well shadow (around the perimeter) |
FVector2D | PanelCoordToGraphCoord ( const FVector2D& PanelSpaceCoordin... ) | Given a coordinate in panel space (i.e. panel widget space), return the same coordinate in graph space while taking zoom and panning into account |
FSlateRect | PanelRectToGraphRect ( const FSlateRect& PanelSpaceRect ) | Given a rectangle in panel space, return a rectangle in graph space. |
void | PopulateVisibleChildren ( const FGeometry& AllottedGeometry ) | Populate visibile children array |
void | PostChangedZoom () | Should be called whenever the zoom level has changed. |
void | RemoveAllNodes () | Remove all nodes from the panel |
void | RequestDeferredPan ( const FVector2D& TargetPosition ) | Ask panel to scroll to location |
void | RequestZoomToFit () | Fires up a per-tick function to zoom the graph to fit. |
void | RestoreViewSettings ( const FVector2D& InViewOffset, float InZoomAmount, const FGuid& InBookmarkGuid ) | Restore the graph panel to the supplied view offset/zoom. |
bool | ScrollToLocation ( const FGeometry& MyGeometry, FVector2D DesiredCenterPosition, const float InDeltaTime ) | Scroll the view to the desired location |
void | SelectAndCenterObject ( const UObject* ObjectToSelect, bool bCenter ) | On the next tick, centers and selects the widget associated with the object if it exists |
void | SetZoomLevelsContainer () | Sets the zoom levels container. |
void | UpdateViewOffset ( const FGeometry& MyGeometry, const FVector2D& TargetPosition ) | Update the new view offset location |
void | ZoomToFit ( bool bOnlySelection ) | Zooms out to fit either all nodes or only the selected ones. |
bool | ZoomToLocation ( const FVector2D& CurrentSizeWithou..., const FVector2D& DesiredSize, bool bDoneScrolling ) | Zoom to fit the desired size |
void | ZoomToTarget ( const FVector2D& TopLeft, const FVector2D& BottomRight ) | Zooms to the specified target rect |
Overridden from SWidget
Type | Name | Description |
---|---|---|
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. |
FChildren &#... | GetAllChildren () | Returns all the panel children rather than only visible |
FChildren &#... | GetChildren () | All widgets must provide a way to access their children in a layout-agnostic way. |
float | GetRelativeLayoutScale ( int32 ChildIndex, float LayoutScaleMultiplier ) | What is the Child's scale relative to this widget. |
void | OnArrangeChildren ( const FGeometry& AllottedGeometry, FArrangedChildren& ArrangedChildre... ) | Panels arrange their children in a space described by the AllottedGeometry parameter. |
FCursorReply | OnCursorQuery ( const FGeometry& MyGeometry, const FPointerEvent& CursorEvent ) | The system asks each widget under the mouse to provide a cursor. This event is bubbled. |
void | OnFocusLost ( const FFocusEvent& InFocusEvent ) | Called when this widget loses focus. This event does not bubble. |
FReply | OnKeyDown ( const FGeometry& MyGeometry, const FKeyEvent& InKeyEvent ) | Called after a key is pressed when this widget has focus (this event bubbles if not handled) |
FReply | OnKeyUp ( const FGeometry& MyGeometry, const FKeyEvent& InKeyEvent ) | Called after a key is released when this widget has focus |
FReply | OnMouseButtonDown ( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) | MOUSE INPUT The system calls this method to notify the widget that a mouse button was pressed within it. |
FReply | OnMouseButtonUp ( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) | The system calls this method to notify the widget that a mouse button was release within it. |
void | OnMouseCaptureLost ( const FCaptureLostEvent& CaptureLo... ) | Called when this widget had captured the mouse, but that capture has been revoked for some reason. |
FReply | OnMouseMove ( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) | The system calls this method to notify the widget that a mouse moved within it. |
FReply | OnMouseWheel ( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) | Called when the mouse wheel is spun. This event is bubbled. |
FReply | OnTouchEnded ( const FGeometry& MyGeometry, const FPointerEvent& InTouchEvent ) | Called when a touchpad touch is ended (finger lifted) |
FReply | OnTouchGesture ( const FGeometry& MyGeometry, const FPointerEvent& GestureEvent ) | TOUCH and GESTURES Called when the user performs a gesture on trackpad. This event is bubbled. |
void | Tick ( const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime ) | Ticks this widget with Geometry. |
Classes
Type | Name | Description |
---|---|---|
Public class | SNode |