SDialogueNodeOverlayWidget.cpp

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// Copyright Csaba Molnar, Daniel Butum. All Rights Reserved.
#include "SDialogueNodeOverlayWidget.h"
 
#include "Widgets/SOverlay.h"
#include "Widgets/Layout/SBox.h"
#include "Widgets/Layout/SBorder.h"
 
#include "DialogueStyle.h"
 
// SDialogueNodeOverlayWidget
void SDialogueNodeOverlayWidget::Construct(const FArguments& InArgs)
{
    OnHoverStateChangedEvent = InArgs._OnHoverStateChanged;
    OnGetBackgroundColorEvent = InArgs._OnGetBackgroundColor;
    OverlayBody = InArgs._OverlayBody.Get();
 
    const FSlateBrush* CircleBrush = FDialogueStyle::Get()->GetBrush(FDialogueStyle::PROPERTY_GraphNodeCircleBox);
    ChildSlot
    [
        SNew(SOverlay)
        +SOverlay::Slot()
        .HAlign(HAlign_Fill)
        .VAlign(VAlign_Fill)
        [
            // Add a dummy box here to make sure the widget doesnt get smaller than the brush
            SNew(SBox)
            .WidthOverride(CircleBrush->ImageSize.X)
            .HeightOverride(CircleBrush->ImageSize.Y)
        ]
 
        +SOverlay::Slot()
        .HAlign(HAlign_Fill)
        .VAlign(VAlign_Fill)
        [
            SNew(SBorder)
            .BorderImage(CircleBrush)
            .BorderBackgroundColor(this, &Self::GetBackgroundColor)
            .Padding(FMargin(4.0f))
            .VAlign(VAlign_Center)
            .HAlign(HAlign_Center)
            [
                OverlayBody.ToSharedRef()
            ]
        ]
    ];
}