SDialogueGraphPin.h

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// Copyright Csaba Molnar, Daniel Butum. All Rights Reserved.
#pragma once
 
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Widgets/SCompoundWidget.h"
#include "SGraphPin.h"
 
#include "DlgSystemSettings.h"
#include "DialogueGraphNode_Edge.h"
 
class SDialogueGraphPin : public SGraphPin
{
    typedef SGraphPin Super;
    typedef SDialogueGraphPin Self;
 
public:
    SLATE_BEGIN_ARGS(Self) {}
    SLATE_END_ARGS()
 
    void Construct(const FArguments& InArgs, UEdGraphPin* InPin);
 
    // Begin SGraphPin Interface
    FReply OnPinMouseDown(const FGeometry& SenderGeometry, const FPointerEvent& MouseEvent) override;
 
    // SWidget interface
    FReply OnMouseButtonUp(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
 
    FReply OnMouseMove(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
 
    void OnMouseEnter(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
 
    void OnMouseLeave(const FPointerEvent& MouseEvent) override;
 
    //
    // DRAG AND DROP (DragDrop)
    //
    void OnDragEnter(const FGeometry& MyGeometry, const FDragDropEvent& DragDropEvent) override;
 
    void OnDragLeave(const FDragDropEvent& DragDropEvent) override;
 
    FReply OnDragOver(const FGeometry& MyGeometry, const FDragDropEvent& DragDropEvent) override;
 
    FReply OnDrop(const FGeometry& MyGeometry, const FDragDropEvent& DragDropEvent) override;
    // End of SWidget interface
 
protected:
    // Begin SGraphPin Interface
    TSharedRef<SWidget> GetDefaultValueWidget() override
    {
        return SNew(STextBlock);
    }
 
    FSlateColor GetPinColor() const override
    {
        const UDlgSystemSettings* Settings = GetDefault<UDlgSystemSettings>();
        return IsHovered() ? Settings->BorderHoveredBackgroundColor : Settings->BorderBackgroundColor;
    }
 
    // Begin own functions
    FReply OnAltAndLeftMouseButtonDown(const FGeometry& SenderGeometry, const FPointerEvent& MouseEvent);
 
    FReply OnCtrlAndLeftMouseButtonDown(const FGeometry& SenderGeometry, const FPointerEvent& MouseEvent);
 
    FText GetTooltipText() const;
 
    UEdGraphPin* GetBestLinkedToPinFromSplineMousePosition(const FVector2D& MousePosition) const;
 
    const FSlateBrush* GetPinBorder() const
    {
        return FEditorStyle::GetBrush(TEXT("Graph.StateNode.Body"));
    }
};