Files
UnrealEngine/Engine/Source/Developer/MessageLog/Private/UserInterface/SMessageLog.h
2025-05-18 13:04:45 +08:00

76 lines
2.0 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CoreMinimal.h"
#include "IMessageLogListing.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Input/Reply.h"
#include "Widgets/SCompoundWidget.h"
#include "Widgets/Views/STableViewBase.h"
#include "Widgets/Views/STableRow.h"
class FMessageLogViewModel;
class SMessageLogListing;
/**
* An implementation for the message log widget.
*
* It holds a series of message log listings which it can switch between.
*/
class SMessageLog
: public SCompoundWidget
{
public:
SLATE_BEGIN_ARGS(SMessageLog){}
SLATE_END_ARGS()
static FName AppName;
/** Destructor. */
~SMessageLog();
/**
* Constructs the widget.
*
* @param InArgs The construction arguments.
* @param InModel The view model to use.
*/
void Construct( const FArguments& InArgs, const TSharedRef<class FMessageLogViewModel>& InViewModel );
public:
// SWidget overrides
FReply OnKeyDown( const FGeometry& MyGeometry, const FKeyEvent& InKeyEvent ) override;
private:
/** Callback for generating a row in the categories list. */
TSharedRef<ITableRow> HandleCategoriesListGenerateRow( IMessageLogListingPtr Item, const TSharedRef<STableViewBase>& OwnerTable );
/** Callback for changing the selected item in the categories list. */
void HandleCategoriesListSelectionChanged( IMessageLogListingPtr Selection, ESelectInfo::Type SelectInfo );
/** Handles the broadcast message sent when the current log listing selection is changed */
void HandleSelectionUpdated();
/** Handles the broadcast message sent when the current log listing is updated */
void RefreshCategoryList();
private:
/** Holds the log categories list view widget. */
TSharedPtr<SListView<IMessageLogListingPtr>> CategoriesListView;
/** The widget for displaying the current listing. */
TSharedPtr<SBorder> CurrentListingDisplay;
/** The current log listing widget, if any. */
TSharedPtr<class SMessageLogListing> LogListing;
/** The message log view model */
TSharedPtr<class FMessageLogViewModel> ViewModel;
};