88 lines
1.9 KiB
C++
88 lines
1.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "Components/VerticalBox.h"
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#include "Components/VerticalBoxSlot.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(VerticalBox)
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#define LOCTEXT_NAMESPACE "UMG"
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/////////////////////////////////////////////////////
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// UVerticalBox
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UVerticalBox::UVerticalBox(const FObjectInitializer& ObjectInitializer)
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: Super(ObjectInitializer)
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{
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bIsVariable = false;
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SetVisibilityInternal(ESlateVisibility::SelfHitTestInvisible);
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}
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void UVerticalBox::ReleaseSlateResources(bool bReleaseChildren)
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{
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Super::ReleaseSlateResources(bReleaseChildren);
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MyVerticalBox.Reset();
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}
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UClass* UVerticalBox::GetSlotClass() const
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{
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return UVerticalBoxSlot::StaticClass();
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}
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void UVerticalBox::OnSlotAdded(UPanelSlot* InSlot)
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{
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// Add the child to the live canvas if it already exists
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if ( MyVerticalBox.IsValid() )
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{
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CastChecked<UVerticalBoxSlot>(InSlot)->BuildSlot(MyVerticalBox.ToSharedRef());
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}
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}
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void UVerticalBox::OnSlotRemoved(UPanelSlot* InSlot)
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{
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// Remove the widget from the live slot if it exists.
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if ( MyVerticalBox.IsValid() && InSlot->Content)
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{
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TSharedPtr<SWidget> Widget = InSlot->Content->GetCachedWidget();
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if ( Widget.IsValid() )
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{
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MyVerticalBox->RemoveSlot(Widget.ToSharedRef());
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}
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}
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}
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UVerticalBoxSlot* UVerticalBox::AddChildToVerticalBox(UWidget* Content)
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{
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return Cast<UVerticalBoxSlot>(Super::AddChild(Content));
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}
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TSharedRef<SWidget> UVerticalBox::RebuildWidget()
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{
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MyVerticalBox = SNew(SVerticalBox);
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for ( UPanelSlot* PanelSlot : Slots )
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{
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if ( UVerticalBoxSlot* TypedSlot = Cast<UVerticalBoxSlot>(PanelSlot) )
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{
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TypedSlot->Parent = this;
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TypedSlot->BuildSlot(MyVerticalBox.ToSharedRef());
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}
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}
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return MyVerticalBox.ToSharedRef();
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}
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#if WITH_EDITOR
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const FText UVerticalBox::GetPaletteCategory()
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{
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return LOCTEXT("Panel", "Panel");
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}
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#endif
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/////////////////////////////////////////////////////
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#undef LOCTEXT_NAMESPACE
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