85 lines
2.8 KiB
C++
85 lines
2.8 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 "UObject/ObjectMacros.h"
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#include "Widgets/SWidget.h"
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#include "Components/PanelWidget.h"
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#include "Widgets/Layout/SWidgetSwitcher.h"
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#include "WidgetSwitcher.generated.h"
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/**
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* A widget switcher is like a tab control, but without tabs. At most one widget is visible at time.
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*/
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UCLASS(MinimalAPI)
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class UWidgetSwitcher : public UPanelWidget
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{
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GENERATED_UCLASS_BODY()
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public:
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UE_DEPRECATED(5.2, "Direct access to ActiveWidgetIndex is deprecated. Please use the getter or setter.")
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/** The slot index to display */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Getter, Setter, BlueprintSetter = "SetActiveWidgetIndex", BlueprintGetter = "GetActiveWidgetIndex", FieldNotify, Category = "Switcher", meta = (UIMin = 0, ClampMin = 0))
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int32 ActiveWidgetIndex;
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public:
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/** Gets the number of widgets that this switcher manages. */
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UFUNCTION(BlueprintCallable, Category="Switcher")
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UMG_API int32 GetNumWidgets() const;
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/** Gets the slot index of the currently active widget */
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UFUNCTION(BlueprintCallable, Category="Switcher")
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UMG_API int32 GetActiveWidgetIndex() const;
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/** Activates the widget at the specified index. */
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UFUNCTION(BlueprintCallable, Category="Switcher")
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UMG_API virtual void SetActiveWidgetIndex( int32 Index );
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/** Activates the widget and makes it the active index. */
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UFUNCTION(BlueprintCallable, Category="Switcher")
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UMG_API virtual void SetActiveWidget(UWidget* Widget);
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/** Get a widget at the provided index */
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UFUNCTION( BlueprintCallable, Category = "Switcher" )
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UMG_API UWidget* GetWidgetAtIndex( int32 Index ) const;
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/** Get the reference of the currently active widget */
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UFUNCTION(BlueprintCallable, Category = "Switcher")
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UMG_API UWidget* GetActiveWidget() const;
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// UWidget interface
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UMG_API virtual void SynchronizeProperties() override;
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UMG_API virtual void ReleaseSlateResources(bool bReleaseChildren) override;
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// End of UWidget interface
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#if WITH_EDITOR
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UMG_API virtual const FText GetPaletteCategory() override;
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UMG_API virtual void OnDescendantSelectedByDesigner(UWidget* DescendantWidget) override;
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UMG_API virtual void OnDescendantDeselectedByDesigner(UWidget* DescendantWidget) override;
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// UObject interface
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UMG_API virtual void PostEditChangeProperty(struct FPropertyChangedEvent& PropertyChangedEvent) override;
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// End of UObject 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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// End UPanelWidget
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UMG_API void SetActiveWidgetIndexForSlateWidget();
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protected:
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TSharedPtr<class SWidgetSwitcher> MyWidgetSwitcher;
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protected:
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// UWidget interface
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UMG_API virtual TSharedRef<SWidget> RebuildWidget() override;
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// End of UWidget interface
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};
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