Files
UnrealEngine/Engine/Source/Editor/LevelEditor/Private/SLevelViewportToolBar.h
2025-05-18 13:04:45 +08:00

257 lines
7.2 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CoreMinimal.h"
#include "Layout/Visibility.h"
#include "Widgets/SWidget.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "SLevelViewport.h"
#include "SViewportToolBar.h"
class ACameraActor;
class SExtensionPanel;
class STransformViewportToolBar;
class FMenuBuilder;
class UToolMenu;
struct FToolMenuSection;
/**
* A level viewport toolbar widget that is placed in a viewport
*/
class SLevelViewportToolBar : public SViewportToolBar
{
public:
SLATE_BEGIN_ARGS( SLevelViewportToolBar ){}
SLATE_ARGUMENT( TSharedPtr<class SLevelViewport>, Viewport )
SLATE_END_ARGS()
void Construct( const FArguments& InArgs );
/** @return Whether the given viewmode is supported. */
virtual bool IsViewModeSupported(EViewModeIndex ViewModeIndex) const;
/** @return Level editor viewport client. */
FLevelEditorViewportClient* GetLevelViewportClient() const;
/** Fills view menu */
void FillViewMenu(UToolMenu* InMenu);
private:
/**
* Returns the label for the "Camera" tool bar menu, which changes depending on the viewport type
*
* @return Label to use for this menu label
*/
FText GetCameraMenuLabel() const;
/* Returns the label icon for the Camera tool bar menu, which changes depending on viewport type
*
* @return Label icon to use for this menu label
*
*/
const FSlateBrush* GetCameraMenuLabelIcon() const;
/**
* Returns the label for the "View" tool bar menu, which changes depending on viewport show flags
*
* @return Label to use for this menu label
*/
FText GetViewMenuLabel() const;
/**
* Returns the label for the "Device Profile Preview" tool bar menu, which changes depending on the preview type.
*
* @return Label to use for this menu label.
*/
FText GetDevicePreviewMenuLabel() const;
/**
* Returns the label icon for the "Device Preview" tool bar menu
*
* @return Label icon to use for this menu label
*/
const FSlateBrush* GetDevicePreviewMenuLabelIcon() const;
/**
* Returns the label icon for the "View" tool bar menu, which changes depending on viewport show flags
*
* @return Label icon to use for this menu label
*/
const FSlateBrush* GetViewMenuLabelIcon() const;
/** @return Returns true, only if this tool bar's viewport is the "current" level editing viewport */
bool IsCurrentLevelViewport() const;
/** @return Returns true if this viewport is the perspective viewport */
bool IsPerspectiveViewport() const;
/**
* Generates the toolbar device profile simulation menu content .
*
* @return The widget containing the options menu content.
*/
TSharedRef<SWidget> GenerateDevicePreviewMenu() const;
/** Fills device preview menu */
void FillDevicePreviewMenu(UToolMenu* Menu) const;
/**
* Generates the sub menu for different device profile previews.
*
* @param Menu - The menu.
* @param InDeviceProfiles - The array of device profiles.
*/
void MakeDevicePreviewSubMenu(UToolMenu* Menu, TArray< class UDeviceProfile* > Profiles);
/**
* Set the level profile, and save the selection to an .ini file.
*
* @param DeviceProfileName - The selected device profile
*/
void SetLevelProfile( FString DeviceProfileName );
/**
* Generates the toolbar view mode options menu content
*
* @return The widget containing the options menu content
*/
TSharedRef<SWidget> GenerateOptionsMenu();
/** Fills options menu */
void FillOptionsMenu(UToolMenu* Menu);
/**
* Generates the toolbar camera menu content
*
* @return The widget containing the view menu content
*/
TSharedRef<SWidget> GenerateCameraMenu() const;
/** Fills camera menu */
void FillCameraMenu(UToolMenu* Menu) const;
/**
* Generates menu entries for placed cameras and Scene Capture Actors (e.g CameraActors, SceneCapture)
*
* @param Menu The menu to add menu entries to
* @param Cameras The list of actors to add
*/
void GeneratePlacedCameraMenuEntries(UToolMenu* Menu, TArray<AActor*> LookThroughActors) const;
/**
* Generates menu entries for placed cameras and Scene Capture Actors (e.g CameraActors, SceneCapture)
*
* @param Section The menu section to add menu entries to
* @param Cameras The list of actors to add
*/
void GeneratePlacedCameraMenuEntries(FToolMenuSection& Section, TArray<AActor*> LookThroughActors) const;
/**
* Generates menu entries for changing the type of the viewport
*
* @param Menu The menu to add menu entries to
*/
void GenerateViewportTypeMenu(UToolMenu* Menu) const;
/**
* Generates menu entries for changing the type of the viewport
*
* @param Section The menu section to add menu entries to
*/
void GenerateViewportTypeMenu(FToolMenuSection& Section) const;
/**
* Generates menu entries for spawning cameras at the current viewport
*
* @param Menu The menu to add menu entries to
*/
void GenerateCameraSpawnMenu(UToolMenu* Menu) const;
/**
* Generates the toolbar view menu content
*
* @return The widget containing the view menu content
*/
TSharedRef<SWidget> GenerateViewMenu() const;
/**
* Generates the toolbar show menu content
*
* @return The widget containing the show menu content
*/
TSharedRef<SWidget> GenerateShowMenu() const;
/** Fills the toolbar show menu content */
void FillShowMenu(UToolMenu* Menu) const;
/**
* Returns the initial visibility of the view mode options widget
*
* @return The visibility value
*/
EVisibility GetViewModeOptionsVisibility() const;
/** Get the name of the viewmode options menu */
FText GetViewModeOptionsMenuLabel() const;
/**
* Generates the toolbar view param menu content
*
* @return The widget containing the show menu content
*/
TSharedRef<SWidget> GenerateViewModeOptionsMenu() const;
FReply OnRealtimeWarningClicked();
EVisibility GetRealtimeWarningVisibility() const;
FText GetScalabilityWarningLabel() const;
EVisibility GetScalabilityWarningVisibility() const;
TSharedRef<SWidget> GetScalabilityWarningMenuContent() const;
double OnGetHLODInEditorMinDrawDistanceValue() const;
void OnHLODInEditorMinDrawDistanceValueChanged(double NewValue) const;
double OnGetHLODInEditorMaxDrawDistanceValue() const;
void OnHLODInEditorMaxDrawDistanceValueChanged(double NewValue) const;
private:
/**
* Generates the toolbar show layers menu content
*
* @param Menu The tool menu
*/
static void FillShowLayersMenu(UToolMenu* Menu, TWeakPtr<class SLevelViewport> Viewport );
/**
* Generates 'show foliage types' menu content for a viewport
*
* @param Menu The tool menu
* @param Viewport target vieport
*/
static void FillShowFoliageTypesMenu(UToolMenu* Menu, TWeakPtr<class SLevelViewport> Viewport);
/**
* Generates 'Show HLODs' menu content for a viewport
*
* @param Menu The tool menu
* @param Viewport Target vieport
*/
void FillShowHLODsMenu(UToolMenu* Menu) const;
/** Gets the world we are editing */
TWeakObjectPtr<UWorld> GetWorld() const;
float GetTransformToolbarWidth() const;
private:
/** The viewport that we are in */
TWeakPtr<class SLevelViewport> Viewport;
/** STransformViewportToolBar menu */
TSharedPtr<STransformViewportToolBar> TransformToolbar;
/** The previous max STransformViewportToolBar width to allow deterministic size calculations */
mutable float TransformToolbar_CachedMaxWidth = 0.0f;
};