EM_Task/UnrealEd/Private/Settings/LevelEditorPlaySettingsCustomization.h

// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"
#include "IDetailCustomization.h"
#include "Settings/LevelEditorPlaySettings.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Widgets/SCompoundWidget.h"

class FMenuBuilder;
struct FSlateBrush;
class IDetailCustomization;
class IDetailLayoutBuilder;
class IPropertyHandle;
template <typename OptionType = TSharedPtr<FString>>
class SComboBox;
class SWidget;

class SScreenPositionCustomization
    : public SCompoundWidget
{
public:
    SLATE_BEGIN_ARGS(SScreenPositionCustomization) {}
    SLATE_END_ARGS()

public:
    /**
     * Construct this widget
     *
     * @param InArgs The declaration data for this widget.
     * @param LayoutBuilder The layout builder to use for generating property widgets.
     * @param InWindowPositionProperty The handle to the window position property.
     * @param InCenterWindowProperty The handle to the center window property.
     */
    void Construct(const FArguments& InArgs, IDetailLayoutBuilder* LayoutBuilder, const TSharedRef<IPropertyHandle>& InWindowPositionProperty, const TSharedRef<IPropertyHandle>& InCenterWindowProperty);

private:
    // Callback for checking whether the window position properties are enabled.
    bool HandleNewWindowPositionPropertyIsEnabled() const;

private:
    // Holds the 'Center window' property
    TSharedPtr<IPropertyHandle> CenterWindowProperty;
};

/**
 * Implements a screen resolution picker widget.
 */
class SScreenResolutionCustomization
    : public SCompoundWidget
{
public:
    SLATE_BEGIN_ARGS(SScreenResolutionCustomization) {}
    SLATE_END_ARGS()

public:
    /**
     * Construct this widget
     *
     * @param InArgs The declaration data for this widget.
     * @param LayoutBuilder The layout builder to use for generating property widgets.
     * @param InWindowHeightProperty The handle to the window height property.
     * @param InWindowWidthProperty The handle to the window width property.
     */
    void Construct(const FArguments& InArgs, IDetailLayoutBuilder* LayoutBuilder, const TSharedRef<IPropertyHandle>& InWindowHeightProperty, const TSharedRef<IPropertyHandle>& InWindowWidthProperty);

protected:
    // Resets LevelEditorPlaySettings that relate to the title safe zone debug draw.
    void ResetCustomTitleSafeZoneSettings(ULevelEditorPlaySettings* PlayInSettings, const int32 Width, const int32 Height);

    // Called when the PIE safe zone override is changed. Performs final safe zone calculations and broadcasts the result.
    void BroadcastSafeZoneChanged(const FMargin& SafeZoneRatio, const int32 Width, const int32 Height);

    // Handles swapping the current aspect ratio.
    // Also will set a custom safe zone matching the device profile, if r.DebugSafeZone.TitleRatio is set to 1.0
    FReply HandleSwapAspectRatioClicked();

private:
    // Handles selecting a common screen resolution.
    // Also will set a custom safe zone matching the device profile, if r.DebugSafeZone.TitleRatio is set to 1.0
    void HandleCommonResolutionSelected(const FPlayScreenResolution Resolution);

    const FSlateBrush* GetAspectRatioSwitchImage() const;

    void OnSizeChanged();

    FUIAction GetResolutionMenuAction(const FPlayScreenResolution& ScreenResolution);

    TSharedRef<SWidget> GetResolutionsMenu();

private:
    // Holds the handle to the window height property.
    TSharedPtr<IPropertyHandle> WindowHeightProperty;

    // Holds the handle to the window width property.
    TSharedPtr<IPropertyHandle> WindowWidthProperty;

    // True if a property was set from the resolution menu
    bool bSetFromMenu;
};

/**
 * Implements a details view customization for ULevelEditorPlaySettings objects.
 */
class FLevelEditorPlaySettingsCustomization
    : public IDetailCustomization
{
public:
    /** Virtual destructor. */
    virtual ~FLevelEditorPlaySettingsCustomization();

public:
    // IDetailCustomization interface
    virtual void CustomizeDetails(IDetailLayoutBuilder& LayoutBuilder) override;
    // End IDetailCustomization interface

public:
    /**
     * Creates a new instance.
     *
     * @return A new struct customization for play-in settings.
     */
    static TSharedRef<IDetailCustomization> MakeInstance();

private:
    // Callback for getting the description of the settings
    FText HandleMultiplayerOptionsDescription() const;

    // Callback for checking whether the ClientWindowHeight and ClientWindowWidth properties are enabled.
    bool HandleClientWindowSizePropertyIsEnabled() const;

    // Callback for checking whether the AdditionalServerGameOptions is enabled.;
    bool HandleGameOptionsIsEnabled() const;

    // Callback for getting the enabled state of the RerouteInputToSecondWindow property.;
    bool HandleRerouteInputToSecondWindowEnabled() const;

    // Callback for getting the visibility of the RerouteInputToSecondWindow property.
    EVisibility HandleRerouteInputToSecondWindowVisibility() const;

    void HandleQualityLevelComboBoxOpening();

    TSharedRef<SWidget> HandleQualityLevelComboBoxGenerateWidget(TSharedPtr<FString> InItem);

    void HandleQualityLevelSelectionChanged(TSharedPtr<FString> InSelection, ESelectInfo::Type SelectInfo);

    FText GetSelectedQualityLevelName() const;

    FText GetPreviewText() const;

    FText GetPreviewTextToolTipText() const;

private:
    /** Collection of possible quality levels we can use as a parent for this profile */
    TArray<TSharedPtr<FString>> AvailableQualityLevels;
    TSharedPtr<IPropertyHandle> PIESoundQualityLevelHandle;
    TSharedPtr<SComboBox<TSharedPtr<FString>>> QualityLevelComboBox;
};