156 lines
3.5 KiB
C++
156 lines
3.5 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "Components/UniformGridPanel.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#include "Widgets/Layout/SUniformGridPanel.h"
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#include "Components/UniformGridSlot.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(UniformGridPanel)
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#define LOCTEXT_NAMESPACE "UMG"
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/////////////////////////////////////////////////////
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// UUniformGridPanel
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UUniformGridPanel::UUniformGridPanel(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 UUniformGridPanel::ReleaseSlateResources(bool bReleaseChildren)
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{
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Super::ReleaseSlateResources(bReleaseChildren);
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MyUniformGridPanel.Reset();
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}
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UClass* UUniformGridPanel::GetSlotClass() const
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{
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return UUniformGridSlot::StaticClass();
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}
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void UUniformGridPanel::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 ( MyUniformGridPanel.IsValid() )
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{
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CastChecked<UUniformGridSlot>(InSlot)->BuildSlot(MyUniformGridPanel.ToSharedRef());
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}
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}
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void UUniformGridPanel::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 ( MyUniformGridPanel.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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MyUniformGridPanel->RemoveSlot(Widget.ToSharedRef());
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}
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}
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}
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TSharedRef<SWidget> UUniformGridPanel::RebuildWidget()
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{
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MyUniformGridPanel = SNew(SUniformGridPanel);
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for ( UPanelSlot* PanelSlot : Slots )
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{
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if ( UUniformGridSlot* TypedSlot = Cast<UUniformGridSlot>(PanelSlot) )
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{
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TypedSlot->Parent = this;
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TypedSlot->BuildSlot(MyUniformGridPanel.ToSharedRef());
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}
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}
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return MyUniformGridPanel.ToSharedRef();
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}
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UUniformGridSlot* UUniformGridPanel::AddChildToUniformGrid(UWidget* Content, int32 InRow, int32 InColumn)
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{
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UUniformGridSlot* GridSlot = Cast<UUniformGridSlot>(Super::AddChild(Content));
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if (GridSlot != nullptr)
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{
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GridSlot->SetRow(InRow);
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GridSlot->SetColumn(InColumn);
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}
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return GridSlot;
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}
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PRAGMA_DISABLE_DEPRECATION_WARNINGS
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FMargin UUniformGridPanel::GetSlotPadding() const
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{
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return SlotPadding;
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}
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void UUniformGridPanel::SetSlotPadding(FMargin InSlotPadding)
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{
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SlotPadding = InSlotPadding;
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if ( MyUniformGridPanel.IsValid() )
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{
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MyUniformGridPanel->SetSlotPadding(InSlotPadding);
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}
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}
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float UUniformGridPanel::GetMinDesiredSlotWidth() const
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{
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return MinDesiredSlotWidth;
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}
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void UUniformGridPanel::SetMinDesiredSlotWidth(float InMinDesiredSlotWidth)
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{
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MinDesiredSlotWidth = InMinDesiredSlotWidth;
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if ( MyUniformGridPanel.IsValid() )
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{
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MyUniformGridPanel->SetMinDesiredSlotWidth(InMinDesiredSlotWidth);
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}
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}
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float UUniformGridPanel::GetMinDesiredSlotHeight() const
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{
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return MinDesiredSlotHeight;
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}
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void UUniformGridPanel::SetMinDesiredSlotHeight(float InMinDesiredSlotHeight)
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{
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MinDesiredSlotHeight = InMinDesiredSlotHeight;
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if ( MyUniformGridPanel.IsValid() )
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{
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MyUniformGridPanel->SetMinDesiredSlotHeight(InMinDesiredSlotHeight);
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}
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}
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void UUniformGridPanel::SynchronizeProperties()
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{
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Super::SynchronizeProperties();
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if (!MyUniformGridPanel.IsValid())
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{
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return;
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}
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MyUniformGridPanel->SetSlotPadding(SlotPadding);
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MyUniformGridPanel->SetMinDesiredSlotWidth(MinDesiredSlotWidth);
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MyUniformGridPanel->SetMinDesiredSlotHeight(MinDesiredSlotHeight);
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}
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PRAGMA_ENABLE_DEPRECATION_WARNINGS
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#if WITH_EDITOR
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const FText UUniformGridPanel::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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