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87 lines
2.0 KiB
C++
87 lines
2.0 KiB
C++
// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
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#include "Components/HorizontalBox.h"
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#include "Components/HorizontalBoxSlot.h"
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#define LOCTEXT_NAMESPACE "UMG"
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/////////////////////////////////////////////////////
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// UHorizontalBox
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UHorizontalBox::UHorizontalBox(const FObjectInitializer& ObjectInitializer)
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: Super(ObjectInitializer)
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{
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bIsVariable = false;
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SHorizontalBox::FArguments Defaults;
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Visiblity_DEPRECATED = Visibility = UWidget::ConvertRuntimeToSerializedVisibility(Defaults._Visibility.Get());
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}
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void UHorizontalBox::ReleaseSlateResources(bool bReleaseChildren)
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{
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Super::ReleaseSlateResources(bReleaseChildren);
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MyHorizontalBox.Reset();
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}
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UClass* UHorizontalBox::GetSlotClass() const
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{
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return UHorizontalBoxSlot::StaticClass();
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}
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void UHorizontalBox::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 ( MyHorizontalBox.IsValid() )
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{
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CastChecked<UHorizontalBoxSlot>(InSlot)->BuildSlot(MyHorizontalBox.ToSharedRef());
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}
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}
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void UHorizontalBox::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 ( MyHorizontalBox.IsValid() )
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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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MyHorizontalBox->RemoveSlot(Widget.ToSharedRef());
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}
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}
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}
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UHorizontalBoxSlot* UHorizontalBox::AddChildToHorizontalBox(UWidget* Content)
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{
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return Cast<UHorizontalBoxSlot>( Super::AddChild(Content) );
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}
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TSharedRef<SWidget> UHorizontalBox::RebuildWidget()
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{
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MyHorizontalBox = SNew(SHorizontalBox);
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for ( UPanelSlot* PanelSlot : Slots )
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{
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if ( UHorizontalBoxSlot* TypedSlot = Cast<UHorizontalBoxSlot>(PanelSlot) )
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{
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TypedSlot->Parent = this;
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TypedSlot->BuildSlot(MyHorizontalBox.ToSharedRef());
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}
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}
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return BuildDesignTimeWidget( MyHorizontalBox.ToSharedRef() );
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}
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#if WITH_EDITOR
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const FText UHorizontalBox::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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