Files
UnrealEngine/Engine/Source/Editor/GraphEditor/Private/KismetNodes/SGraphNodeK2Sequence.cpp
2025-05-18 13:04:45 +08:00

75 lines
2.1 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "KismetNodes/SGraphNodeK2Sequence.h"
#include "EdGraph/EdGraph.h"
#include "EdGraph/EdGraphNode.h"
#include "GenericPlatform/ICursor.h"
#include "GraphEditorSettings.h"
#include "Internationalization/Internationalization.h"
#include "K2Node.h"
#include "K2Node_AddPinInterface.h"
#include "Layout/Margin.h"
#include "Misc/AssertionMacros.h"
#include "Misc/Optional.h"
#include "ScopedTransaction.h"
#include "SlotBase.h"
#include "Templates/Casts.h"
#include "Types/SlateEnums.h"
#include "UObject/Class.h"
#include "Widgets/SBoxPanel.h"
class SWidget;
void SGraphNodeK2Sequence::Construct( const FArguments& InArgs, UK2Node* InNode )
{
ensure(InNode == nullptr || InNode->GetClass()->ImplementsInterface(UK2Node_AddPinInterface::StaticClass()));
GraphNode = InNode;
SetCursor( EMouseCursor::CardinalCross );
UpdateGraphNode();
}
void SGraphNodeK2Sequence::CreateOutputSideAddButton(TSharedPtr<SVerticalBox> OutputBox)
{
TSharedRef<SWidget> AddPinButton = AddPinButtonContent(
NSLOCTEXT("SequencerNode", "SequencerNodeAddPinButton", "Add pin"),
NSLOCTEXT("SequencerNode", "SequencerNodeAddPinButton_ToolTip", "Add new pin"));
FMargin AddPinPadding = Settings->GetOutputPinPadding();
AddPinPadding.Top += 6.0f;
OutputBox->AddSlot()
.AutoHeight()
.VAlign(VAlign_Center)
.HAlign(HAlign_Right)
.Padding(AddPinPadding)
[
AddPinButton
];
}
FReply SGraphNodeK2Sequence::OnAddPin()
{
IK2Node_AddPinInterface* AddPinNode = Cast<IK2Node_AddPinInterface>(GraphNode);
ensure(AddPinNode);
if (AddPinNode && AddPinNode->CanAddPin())
{
FScopedTransaction Transaction(NSLOCTEXT("SequencerNode", "AddPinTransaction", "Add Pin"));
AddPinNode->AddInputPin();
UpdateGraphNode();
GraphNode->GetGraph()->NotifyNodeChanged(GraphNode);
}
return FReply::Handled();
}
EVisibility SGraphNodeK2Sequence::IsAddPinButtonVisible() const
{
IK2Node_AddPinInterface* AddPinNode = Cast<IK2Node_AddPinInterface>(GraphNode);
ensure(AddPinNode);
return ((AddPinNode && AddPinNode->CanAddPin()) ? EVisibility::Visible : EVisibility::Collapsed);
}