You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
100 lines
2.3 KiB
C++
100 lines
2.3 KiB
C++
// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
|
|
|
|
#include "Components/InvalidationBox.h"
|
|
#include "Widgets/SNullWidget.h"
|
|
#include "Widgets/DeclarativeSyntaxSupport.h"
|
|
#include "Widgets/SInvalidationPanel.h"
|
|
|
|
#define LOCTEXT_NAMESPACE "UMG"
|
|
|
|
/////////////////////////////////////////////////////
|
|
// UInvalidationBox
|
|
|
|
UInvalidationBox::UInvalidationBox(const FObjectInitializer& ObjectInitializer)
|
|
: Super(ObjectInitializer)
|
|
{
|
|
bCanCache = true;
|
|
Visibility = ESlateVisibility::SelfHitTestInvisible;
|
|
}
|
|
|
|
void UInvalidationBox::ReleaseSlateResources(bool bReleaseChildren)
|
|
{
|
|
Super::ReleaseSlateResources(bReleaseChildren);
|
|
|
|
MyInvalidationPanel.Reset();
|
|
}
|
|
|
|
TSharedRef<SWidget> UInvalidationBox::RebuildWidget()
|
|
{
|
|
MyInvalidationPanel =
|
|
SNew(SInvalidationPanel)
|
|
.CacheRelativeTransforms(CacheRelativeTransforms);
|
|
|
|
MyInvalidationPanel->SetCanCache(IsDesignTime() ? false : bCanCache);
|
|
|
|
if ( GetChildrenCount() > 0 )
|
|
{
|
|
MyInvalidationPanel->SetContent(GetContentSlot()->Content ? GetContentSlot()->Content->TakeWidget() : SNullWidget::NullWidget);
|
|
}
|
|
|
|
return BuildDesignTimeWidget(MyInvalidationPanel.ToSharedRef());
|
|
}
|
|
|
|
void UInvalidationBox::OnSlotAdded(UPanelSlot* InSlot)
|
|
{
|
|
// Add the child to the live slot if it already exists
|
|
if ( MyInvalidationPanel.IsValid() )
|
|
{
|
|
MyInvalidationPanel->SetContent(InSlot->Content ? InSlot->Content->TakeWidget() : SNullWidget::NullWidget);
|
|
}
|
|
}
|
|
|
|
void UInvalidationBox::OnSlotRemoved(UPanelSlot* InSlot)
|
|
{
|
|
// Remove the widget from the live slot if it exists.
|
|
if ( MyInvalidationPanel.IsValid() )
|
|
{
|
|
MyInvalidationPanel->SetContent(SNullWidget::NullWidget);
|
|
}
|
|
}
|
|
|
|
void UInvalidationBox::InvalidateCache()
|
|
{
|
|
if ( MyInvalidationPanel.IsValid() )
|
|
{
|
|
return MyInvalidationPanel->InvalidateCache();
|
|
}
|
|
}
|
|
|
|
bool UInvalidationBox::GetCanCache() const
|
|
{
|
|
if ( MyInvalidationPanel.IsValid() )
|
|
{
|
|
return MyInvalidationPanel->GetCanCache();
|
|
}
|
|
|
|
return bCanCache;
|
|
}
|
|
|
|
void UInvalidationBox::SetCanCache(bool CanCache)
|
|
{
|
|
bCanCache = CanCache;
|
|
if ( MyInvalidationPanel.IsValid() )
|
|
{
|
|
return MyInvalidationPanel->SetCanCache(bCanCache);
|
|
}
|
|
}
|
|
|
|
#if WITH_EDITOR
|
|
|
|
const FText UInvalidationBox::GetPaletteCategory()
|
|
{
|
|
return LOCTEXT("Optimization", "Optimization");
|
|
}
|
|
|
|
#endif
|
|
|
|
/////////////////////////////////////////////////////
|
|
|
|
#undef LOCTEXT_NAMESPACE
|