Piggydb - SWidget创建的实例

#766 SWidget创建的实例 setting Slate snippets UMG 5 months ago (owner)
// 具体代码见百度网盘TestReflection
/***************************** SSURAAR_MainWnd.h ********************************/
#include "CoreMinimal.h"
#include "Slate.h"
#include "Engine/RendererSettings.h"

DECLARE_DELEGATE_OneParam(FOnCustomStencilChanged, ECustomDepthStencil::Type)
DECLARE_DELEGATE_OneParam(FOnAlphaChannelModeChanged, EAlphaChannelMode::Type)
DECLARE_DELEGATE_OneParam(FOnFrameBufferPixelFormatChanged, EDefaultBackBufferPixelFormat::Type)

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

	void Construct(const FArguments& Args);

	TSharedRef<SWidget> MakeCustomStencilCombo(FOnCustomStencilChanged OnChanged, TAttribute<ECustomDepthStencil::Type> SelectedEnum, EOrientation Orientation);
	TSharedRef<SWidget> MakeAlphaChannelModeCombo(FOnAlphaChannelModeChanged OnChanged, TAttribute<EAlphaChannelMode::Type> SelectedEnum, EOrientation Orientation);
	TSharedRef<SWidget> MakeFrameBufferPixelFormatCombo(FOnFrameBufferPixelFormatChanged OnChanged, TAttribute<EDefaultBackBufferPixelFormat::Type> SelectedEnum, EOrientation Orientation);

	TSharedRef<SWidget> MakeSURACameraDriverDetails();

private:
	EVisibility CheckSuraCameraDriverExist() const;
};



/********************************** SSURAAR_MainWnd.cpp ***********************************/

// Copyright 1998-2018 Epic Games, Inc. All Rights Reserved.

#include "SSURAAR_MainWnd.h"
#include <Kismet/GameplayStatics.h>

#include "SSuraEnumComboBox.h"
#include "SURACameraDriver.h"
#include "Customizations/SURACameraDriverDetailsCustomization.h"

#define LOCTEXT_NAMESPACE "SURAAR_MainWnd"

void SSURAAR_MainWnd::Construct(const FArguments& Args)
{
	FText PlaceholderText = LOCTEXT("PlaceholderText", "Placeholder");

	auto Settings = GetMutableDefault<URendererSettings>();

	ChildSlot
	[
		SNew(SVerticalBox)
		+SVerticalBox::Slot()
		.AutoHeight()
		[
			SNew(SUniformGridPanel)
			.SlotPadding(TAttribute<FMargin>(FMargin(4.0f)))
			+SUniformGridPanel::Slot(0, 0)
			.VAlign(EVerticalAlignment::VAlign_Center)
			[
				SNew(STextBlock)
				.Text(LOCTEXT("Custom Depth-Stencil Pass", "Custom Depth-Stencil Pass"))
			]
			+SUniformGridPanel::Slot(1, 0)
			.HAlign(EHorizontalAlignment::HAlign_Fill)
			.VAlign(EVerticalAlignment::VAlign_Fill)
			[
				MakeCustomStencilCombo(
					FOnCustomStencilChanged::CreateLambda([&](ECustomDepthStencil::Type stencil)
					{
						auto Settings = GetMutableDefault<URendererSettings>();
						Settings->CustomDepthStencil = stencil;
					}),

					TAttribute<ECustomDepthStencil::Type>::Create(TAttribute<ECustomDepthStencil::Type>::FGetter::CreateLambda([]()
					{
						auto Settings = GetDefault<URendererSettings>();
						return Settings->CustomDepthStencil.GetValue();
					})),

					Orient_Vertical
				)
			]
			+SUniformGridPanel::Slot(0, 1)
			.VAlign(EVerticalAlignment::VAlign_Center)
			[
				SNew(STextBlock)
				.Text(LOCTEXT("Enable alpha channel support", "Enable alpha channel support in post processing"))
			]
			+SUniformGridPanel::Slot(1, 1)
			.HAlign(EHorizontalAlignment::HAlign_Fill)
			.VAlign(EVerticalAlignment::VAlign_Fill)
			[
				MakeAlphaChannelModeCombo(
					FOnAlphaChannelModeChanged::CreateLambda([&](EAlphaChannelMode::Type AlphaMode)
					{
						auto Settings = GetMutableDefault<URendererSettings>();
						Settings->bEnableAlphaChannelInPostProcessing = AlphaMode;
					}),

					TAttribute<EAlphaChannelMode::Type>::Create(TAttribute<EAlphaChannelMode::Type>::FGetter::CreateLambda([]()
					{
						auto Settings = GetDefault<URendererSettings>();
						return Settings->bEnableAlphaChannelInPostProcessing.GetValue();
					})),

					Orient_Vertical
				)
			]
			+SUniformGridPanel::Slot(0, 2)
			.VAlign(EVerticalAlignment::VAlign_Center)
			[
				SNew(STextBlock)
				.Text(LOCTEXT("Frame Buffer Pixel Format", "Frame Buffer Pixel Format"))
			]
			+SUniformGridPanel::Slot(1, 2)
			.HAlign(EHorizontalAlignment::HAlign_Fill)
			.VAlign(EVerticalAlignment::VAlign_Fill)
			[
				MakeFrameBufferPixelFormatCombo(
					FOnFrameBufferPixelFormatChanged::CreateLambda([&](EDefaultBackBufferPixelFormat::Type PixelFormat)
					{
						auto Settings = GetMutableDefault<URendererSettings>();
						Settings->DefaultBackBufferPixelFormat = PixelFormat;
					}),

					TAttribute<EDefaultBackBufferPixelFormat::Type>::Create(TAttribute<EDefaultBackBufferPixelFormat::Type>::FGetter::CreateLambda([]()
					{
						auto Settings = GetDefault<URendererSettings>();
						return Settings->DefaultBackBufferPixelFormat.GetValue();
					})),

					Orient_Vertical
				)
			]
		]
		+SVerticalBox::Slot()
		.AutoHeight()
		[
			//SNew(STextBlock).Text(PlaceholderText)
			SNew(SHorizontalBox)
			+SHorizontalBox::Slot()
			.AutoWidth()
			[
				SNew(SButton) // button for checking SURAAcameraDriver 
				.Visibility_Raw(this, &SSURAAR_MainWnd::CheckSuraCameraDriverExist)
				.Content()
				[
					SNew(STextBlock).Text(LOCTEXT("SetupEnv", "Setup Environment"))
				]
			]
		]
		+ SVerticalBox::Slot()
		[
			MakeSURACameraDriverDetails()
		]
		/*+SVerticalBox::Slot()
		[
			SNew(STextBlock).Text(PlaceholderText)
		]*/
	];
}

TSharedRef<SWidget> SSURAAR_MainWnd::MakeCustomStencilCombo( FOnCustomStencilChanged OnChanged,
	TAttribute<ECustomDepthStencil::Type> SelectedEnum, EOrientation Orientation )
{
	TArray<SSuraEnumCombo<ECustomDepthStencil::Type>::FComboOption> CustomStencilInfo;
	CustomStencilInfo.Add(SSuraEnumCombo<ECustomDepthStencil::Type>::FComboOption(
		ECustomDepthStencil::Disabled, FSlateIcon(), LOCTEXT("CustomStencil.Disabled", "Disabled")));
	CustomStencilInfo.Add(SSuraEnumCombo<ECustomDepthStencil::Type>::FComboOption(
		ECustomDepthStencil::Enabled, FSlateIcon(), LOCTEXT("CustomStencil.Enabled", "Enabled")));
	CustomStencilInfo.Add(SSuraEnumCombo<ECustomDepthStencil::Type>::FComboOption(
		ECustomDepthStencil::EnabledOnDemand, FSlateIcon(), LOCTEXT("CustomStencil.EnabledOnDemand", "EnabledOnDemand")));
	CustomStencilInfo.Add(SSuraEnumCombo<ECustomDepthStencil::Type>::FComboOption(
		ECustomDepthStencil::EnabledWithStencil, FSlateIcon(), LOCTEXT("CustomStencil.EnabledWithStencil", "EnabledWithStencil")));

	return SNew(SSuraEnumCombo<ECustomDepthStencil::Type>, MoveTemp(CustomStencilInfo))
		.SelectedEnum(SelectedEnum)
		.OnEnumChanged(OnChanged)
		.Orientation(Orientation);
		//.ToolTip(IDocumentation::Get()->CreateToolTip(LOCTEXT("GraphicsPresetTooltip", "Choose the graphical level to target (high-end only or scalable from low-end on up)."), NULL, TEXT("Shared/Editor/Settings/TargetHardware"), TEXT("GraphicalLevel")));
}

TSharedRef<SWidget> SSURAAR_MainWnd::MakeAlphaChannelModeCombo( FOnAlphaChannelModeChanged OnChanged,
	TAttribute<EAlphaChannelMode::Type> SelectedEnum, EOrientation Orientation )
{
	TArray<SSuraEnumCombo<EAlphaChannelMode::Type>::FComboOption> AlphaChannelModeInfo;
	AlphaChannelModeInfo.Add(SSuraEnumCombo<EAlphaChannelMode::Type>::FComboOption(
		EAlphaChannelMode::Disabled, FSlateIcon(), LOCTEXT("AlphaChannelMode.Disabled", "Disabled")));
	AlphaChannelModeInfo.Add(SSuraEnumCombo<EAlphaChannelMode::Type>::FComboOption(
		EAlphaChannelMode::LinearColorSpaceOnly, FSlateIcon(), LOCTEXT("AlphaChannelMode.LinearColorSpaceOnly", "LinearColorSpaceOnly")));
	AlphaChannelModeInfo.Add(SSuraEnumCombo<EAlphaChannelMode::Type>::FComboOption(
		EAlphaChannelMode::AllowThroughTonemapper, FSlateIcon(), LOCTEXT("AlphaChannelMode.AllowThroughTonemapper", "AllowThroughTonemapper")));

	return SNew(SSuraEnumCombo<EAlphaChannelMode::Type>, MoveTemp(AlphaChannelModeInfo))
		.SelectedEnum(SelectedEnum)
		.OnEnumChanged(OnChanged)
		.Orientation(Orientation);
		//.ToolTip(IDocumentation::Get()->CreateToolTip(LOCTEXT("GraphicsPresetTooltip", "Choose the graphical level to target (high-end only or scalable from low-end on up)."), NULL, TEXT("Shared/Editor/Settings/TargetHardware"), TEXT("GraphicalLevel")));
}

TSharedRef<SWidget> SSURAAR_MainWnd::MakeFrameBufferPixelFormatCombo( FOnFrameBufferPixelFormatChanged OnChanged,
	TAttribute<EDefaultBackBufferPixelFormat::Type> SelectedEnum, EOrientation Orientation )
{
	TArray<SSuraEnumCombo<EDefaultBackBufferPixelFormat::Type>::FComboOption> FramePixelFormatInfo;
	FramePixelFormatInfo.Add(SSuraEnumCombo<EDefaultBackBufferPixelFormat::Type>::FComboOption(
		EDefaultBackBufferPixelFormat::DBBPF_B8G8R8A8, FSlateIcon(), LOCTEXT("FramePixelFormat.DBBPF_B8G8R8A8", "8bit RGBA")));
	FramePixelFormatInfo.Add(SSuraEnumCombo<EDefaultBackBufferPixelFormat::Type>::FComboOption(
		EDefaultBackBufferPixelFormat::DBBPF_A16B16G16R16_DEPRECATED, FSlateIcon(), LOCTEXT("FramePixelFormat.DBBPF_A16B16G16R16_DEPRECATED", "DEPRECATED - 16bit RGBA"), false));
	FramePixelFormatInfo.Add(SSuraEnumCombo<EDefaultBackBufferPixelFormat::Type>::FComboOption(
		EDefaultBackBufferPixelFormat::DBBPF_FloatRGB_DEPRECATED, FSlateIcon(), LOCTEXT("FramePixelFormat.DBBPF_FloatRGB_DEPRECATED", "DEPRECATED - Float RGB"), false));
	FramePixelFormatInfo.Add(SSuraEnumCombo<EDefaultBackBufferPixelFormat::Type>::FComboOption(
		EDefaultBackBufferPixelFormat::DBBPF_FloatRGBA, FSlateIcon(), LOCTEXT("FramePixelFormat.DBBPF_FloatRGBA", "Float RGBA")));
	FramePixelFormatInfo.Add(SSuraEnumCombo<EDefaultBackBufferPixelFormat::Type>::FComboOption(
		EDefaultBackBufferPixelFormat::DBBPF_A2B10G10R10, FSlateIcon(), LOCTEXT("FramePixelFormat.DBBPF_A2B10G10R10", "10bit RGB, 2bit Alpha")));

	return SNew(SSuraEnumCombo<EDefaultBackBufferPixelFormat::Type>, MoveTemp(FramePixelFormatInfo))
		.SelectedEnum(SelectedEnum)
		.OnEnumChanged(OnChanged)
		.Orientation(Orientation);
		//.ToolTip(IDocumentation::Get()->CreateToolTip(LOCTEXT("GraphicsPresetTooltip", "Choose the graphical level to target (high-end only or scalable from low-end on up)."), NULL, TEXT("Shared/Editor/Settings/TargetHardware"), TEXT("GraphicalLevel")));
}

EVisibility SSURAAR_MainWnd::CheckSuraCameraDriverExist() const
{
	TArray<AActor*> OutActors;
	if (GWorld)
	{
		UGameplayStatics::GetAllActorsOfClass(GWorld, ASURACameraDriver::StaticClass(), OutActors);
	}

	if (OutActors.Num() == 0)
	{
		UE_LOG(LogTemp, Log, TEXT("No SuraCameraDriver found."));
		return EVisibility::Visible;
	}
	else
	{
		return EVisibility::Collapsed;
	}
}

TSharedRef<SWidget> SSURAAR_MainWnd::MakeSURACameraDriverDetails( )
{
	FPropertyEditorModule& PropertyModule = FModuleManager::LoadModuleChecked<FPropertyEditorModule>(TEXT("PropertyEditor"));

	FDetailsViewArgs Args;
	Args.bAllowSearch = false;
	Args.NameAreaSettings = FDetailsViewArgs::HideNameArea;
	TSharedRef<IDetailsView> View = PropertyModule.CreateDetailView(Args);
	View->RegisterInstancedCustomPropertyLayout(ASURACameraDriver::StaticClass(), FOnGetDetailCustomizationInstance::CreateStatic(&FSURACameraDriverDetailsCustomization::MakeInstance));

	TArray<AActor*> OutActors;
	if (GWorld)
	{
		UGameplayStatics::GetAllActorsOfClass(GWorld, ASURACameraDriver::StaticClass(), OutActors);
	}
	if (OutActors.Num() > 0)
	{
		View->SetObject(OutActors[0], true);
	}

	return View;
}

#undef LOCTEXT_NAMESPACE
#492 config/配置存取 UE4 经验 ... setting about a year ago (owner) 492 config/配置存取
#717 蓝图里获取配置信息
#482 Details视图定制 module UE4 ... about a year ago (owner) 482 Details视图定制
#474 UE4编辑器主界面的各个Tab页