67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Components/PanelWidget.h"
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#include "Types/SlateEnums.h"
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#include "StackBox.generated.h"
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class UStackBoxSlot;
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class SStackBox;
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/**
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* A stack box widget is a layout panel allowing child widgets to be automatically laid out
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* vertically or horizontally.
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*
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* * Many Children
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* * Flows Vertical or Horizontal
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*/
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UCLASS(meta = (ShortTooltip = "A layout panel for automatically laying child widgets out vertically or horizontally"), MinimalAPI)
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class UStackBox : public UPanelWidget
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{
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GENERATED_BODY()
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public:
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UMG_API UStackBox();
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private:
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/** The orientation of the stack box. */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Setter, Getter, Category = "Behavior", meta = (AllowPrivateAccess = "true"))
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TEnumAsByte<EOrientation> Orientation;
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public:
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/** Get the orientation of the stack box. */
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UMG_API EOrientation GetOrientation() const;
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/** Set the orientation of the stack box. The existing elements will be rearranged. */
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UMG_API void SetOrientation(EOrientation InType);
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/** Adds a new child widget to the container. */
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UFUNCTION(BlueprintCallable, Category="Panel")
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UMG_API UStackBoxSlot* AddChildToStackBox(UWidget* Content);
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/** Replace the widget at the given index it with a different widget. */
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UFUNCTION(BlueprintCallable, Category = "Panel")
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UMG_API bool ReplaceStackBoxChildAt(int32 Index, UWidget* Content);
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#if WITH_EDITOR
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//~ UWidget interface
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UMG_API virtual const FText GetPaletteCategory() override;
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//~ End UWidget interface
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#endif
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protected:
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//~ UPanelWidget
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UMG_API virtual UClass* GetSlotClass() const override;
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UMG_API virtual void OnSlotAdded(UPanelSlot* Slot) override;
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UMG_API virtual void OnSlotRemoved(UPanelSlot* Slot) override;
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UMG_API virtual TSharedRef<SWidget> RebuildWidget() override;
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UMG_API virtual void SynchronizeProperties() override;
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//~ End UPanelWidget
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UMG_API virtual void ReleaseSlateResources(bool bReleaseChildren) override;
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private:
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TSharedPtr<SStackBox> MyBox;
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};
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