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unitysamples / LyraStarterGame /Plugins /GameSettings /Source /Public /Widgets /GameSettingPanel.h
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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CommonUserWidget.h"
#include "Containers/Ticker.h"
#include "GameSettingFilterState.h"
#include "GameplayTagContainer.h"
#include "Misc/ExpressionParserTypesFwd.h"
#include "GameSettingPanel.generated.h"
#define UE_API GAMESETTINGS_API
class UGameSetting;
class UGameSettingDetailView;
class UGameSettingListView;
class UGameSettingRegistry;
class UObject;
struct FFocusEvent;
struct FGeometry;
DECLARE_MULTICAST_DELEGATE_OneParam(FOnFocusedSettingChanged, UGameSetting*)
UCLASS(MinimalAPI, Abstract)
class UGameSettingPanel : public UCommonUserWidget
{
GENERATED_BODY()
public:
UE_API UGameSettingPanel();
UE_API virtual void NativeOnInitialized() override;
UE_API virtual void NativeConstruct() override;
UE_API virtual void NativeDestruct() override;
// Focus transitioning to subwidgets for the gamepad
UE_API virtual FReply NativeOnFocusReceived(const FGeometry& InGeometry, const FFocusEvent& InFocusEvent) override;
/** */
UE_API void SetRegistry(UGameSettingRegistry* InRegistry);
/** Sets the filter for this panel, restricting which settings are available currently. */
UE_API void SetFilterState(const FGameSettingFilterState& InFilterState, bool bClearNavigationStack = true);
/** Gets the currently visible and available settings based on the filter state. */
TArray<UGameSetting*> GetVisibleSettings() const { return VisibleSettings; }
/** Can we pop the current navigation stack */
UE_API bool CanPopNavigationStack() const;
/** Pop the navigation stack */
UE_API void PopNavigationStack();
/**
* Gets the set of settings that are potentially available on this screen.
* MAY CONTAIN INVISIBLE SETTINGS.
* DOES NOT INCLUDED NESTED PAGES.
*/
UE_API TArray<UGameSetting*> GetSettingsWeCanResetToDefault() const;
UE_API void SelectSetting(const FName& SettingDevName);
UE_API UGameSetting* GetSelectedSetting() const;
UE_API void RefreshSettingsList();
FOnFocusedSettingChanged OnFocusedSettingChanged;
protected:
UE_API void RegisterRegistryEvents();
UE_API void UnregisterRegistryEvents();
UE_API void HandleSettingItemHoveredChanged(UObject* Item, bool bHovered);
UE_API void HandleSettingItemSelectionChanged(UObject* Item);
UE_API void FillSettingDetails(UGameSetting* InSetting);
UE_API void HandleSettingNamedAction(UGameSetting* Setting, FGameplayTag GameSettings_Action_Tag);
UE_API void HandleSettingNavigation(UGameSetting* Setting);
UE_API void HandleSettingEditConditionsChanged(UGameSetting* Setting);
private:
UPROPERTY(Transient)
TObjectPtr<UGameSettingRegistry> Registry;
UPROPERTY(Transient)
TArray<TObjectPtr<UGameSetting>> VisibleSettings;
UPROPERTY(Transient)
TObjectPtr<UGameSetting> LastHoveredOrSelectedSetting;
UPROPERTY(Transient)
FGameSettingFilterState FilterState;
UPROPERTY(Transient)
TArray<FGameSettingFilterState> FilterNavigationStack;
FName DesiredSelectionPostRefresh;
bool bAdjustListViewPostRefresh = true;
private: // Bound Widgets
UPROPERTY(BlueprintReadOnly, meta = (BindWidget, BlueprintProtected = true, AllowPrivateAccess = true))
TObjectPtr<UGameSettingListView> ListView_Settings;
UPROPERTY(BlueprintReadOnly, meta = (BindWidgetOptional, BlueprintProtected = true, AllowPrivateAccess = true))
TObjectPtr<UGameSettingDetailView> Details_Settings;
private:
DECLARE_DYNAMIC_MULTICAST_DELEGATE_TwoParams(FOnExecuteNamedActionBP, UGameSetting*, Setting, FGameplayTag, Action);
UPROPERTY(BlueprintAssignable, Category = Events, meta = (DisplayName = "On Execute Named Action"))
FOnExecuteNamedActionBP BP_OnExecuteNamedAction;
private:
FTSTicker::FDelegateHandle RefreshHandle;
};
#undef UE_API