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

148 lines
5.2 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "Containers/Array.h"
#include "Containers/Map.h"
#include "Delegates/Delegate.h"
#include "HAL/Platform.h"
#include "IDetailCustomNodeBuilder.h"
#include "IDetailCustomization.h"
#include "Layout/Margin.h"
#include "Layout/Visibility.h"
#include "Templates/SharedPointer.h"
#include "Types/SlateEnums.h"
#include "UObject/NameTypes.h"
class FDetailWidgetRow;
class FText;
class IDetailChildrenBuilder;
class IDetailGroup;
class IDetailLayoutBuilder;
class IPropertyHandle;
namespace InputSettingsDetails
{
namespace InputConstants
{
const FMargin PropertyPadding(2.0f, 0.0f, 2.0f, 0.0f);
const float TextBoxWidth = 250.0f;
const float ScaleBoxWidth = 50.0f;
}
struct FMappingSet
{
FName SharedName;
IDetailGroup* DetailGroup;
TArray<TSharedRef<IPropertyHandle>> Mappings;
};
}
class FActionMappingsNodeBuilder : public IDetailCustomNodeBuilder, public TSharedFromThis<FActionMappingsNodeBuilder>
{
public:
FActionMappingsNodeBuilder( IDetailLayoutBuilder* InDetailLayoutBuilder, const TSharedPtr<IPropertyHandle>& InPropertyHandle );
/** IDetailCustomNodeBuilder interface */
virtual void SetOnRebuildChildren( FSimpleDelegate InOnRebuildChildren ) override { OnRebuildChildren = InOnRebuildChildren; }
virtual bool RequiresTick() const override { return true; }
virtual void Tick( float DeltaTime ) override;
virtual void GenerateHeaderRowContent( FDetailWidgetRow& NodeRow ) override;
virtual void GenerateChildContent( IDetailChildrenBuilder& ChildrenBuilder ) override;
virtual bool InitiallyCollapsed() const override { return true; };
virtual FName GetName() const override { return FName(TEXT("ActionMappings")); }
private:
void AddActionMappingButton_OnClick();
void ClearActionMappingButton_OnClick();
void OnActionMappingNameCommitted(const FText& InName, ETextCommit::Type CommitInfo, const InputSettingsDetails::FMappingSet MappingSet);
void AddActionMappingToGroupButton_OnClick(const InputSettingsDetails::FMappingSet MappingSet);
void RemoveActionMappingGroupButton_OnClick(const InputSettingsDetails::FMappingSet MappingSet);
bool GroupsRequireRebuild() const;
void RebuildGroupedMappings();
void RebuildChildren()
{
OnRebuildChildren.ExecuteIfBound();
}
/** Makes sure that groups have their expansion set after any rebuilding */
void HandleDelayedGroupExpansion();
private:
/** Called to rebuild the children of the detail tree */
FSimpleDelegate OnRebuildChildren;
/** Associated detail layout builder */
IDetailLayoutBuilder* DetailLayoutBuilder;
/** Property handle to associated action mappings */
TSharedPtr<IPropertyHandle> ActionMappingsPropertyHandle;
TArray<InputSettingsDetails::FMappingSet> GroupedMappings;
TArray<TPair<FName, bool>> DelayedGroupExpansionStates;
};
class FAxisMappingsNodeBuilder : public IDetailCustomNodeBuilder, public TSharedFromThis<FAxisMappingsNodeBuilder>
{
public:
FAxisMappingsNodeBuilder( IDetailLayoutBuilder* InDetailLayoutBuilder, const TSharedPtr<IPropertyHandle>& InPropertyHandle );
/** IDetailCustomNodeBuilder interface */
virtual void SetOnRebuildChildren( FSimpleDelegate InOnRebuildChildren ) override { OnRebuildChildren = InOnRebuildChildren; }
virtual bool RequiresTick() const override { return true; }
virtual void Tick( float DeltaTime ) override;
virtual void GenerateHeaderRowContent( FDetailWidgetRow& NodeRow ) override;
virtual void GenerateChildContent( IDetailChildrenBuilder& ChildrenBuilder ) override;
virtual bool InitiallyCollapsed() const override { return true; };
virtual FName GetName() const override { return FName(TEXT("AxisMappings")); }
private:
void AddAxisMappingButton_OnClick();
void ClearAxisMappingButton_OnClick();
void OnAxisMappingNameCommitted(const FText& InName, ETextCommit::Type CommitInfo, const InputSettingsDetails::FMappingSet MappingSet);
void AddAxisMappingToGroupButton_OnClick(const InputSettingsDetails::FMappingSet MappingSet);
void RemoveAxisMappingGroupButton_OnClick(const InputSettingsDetails::FMappingSet MappingSet);
bool GroupsRequireRebuild() const;
void RebuildGroupedMappings();
void RebuildChildren()
{
OnRebuildChildren.ExecuteIfBound();
}
/** Makes sure that groups have their expansion set after any rebuilding */
void HandleDelayedGroupExpansion();
private:
/** Called to rebuild the children of the detail tree */
FSimpleDelegate OnRebuildChildren;
/** Associated detail layout builder */
IDetailLayoutBuilder* DetailLayoutBuilder;
/** Property handle to associated axis mappings */
TSharedPtr<IPropertyHandle> AxisMappingsPropertyHandle;
TArray<InputSettingsDetails::FMappingSet> GroupedMappings;
TArray<TPair<FName, bool>> DelayedGroupExpansionStates;
};
class FInputSettingsDetails : public IDetailCustomization
{
public:
/** Makes a new instance of this detail layout class for a specific detail view requesting it */
static TSharedRef<IDetailCustomization> MakeInstance();
/** ILayoutDetails interface */
virtual void CustomizeDetails( class IDetailLayoutBuilder& DetailBuilder ) override;
private:
/**
* If true, then we should display some warning text about the Axis/Action mappings being legacy
* in favor of Enhanced Input
*/
EVisibility GetLegacyWarningVisibility() const;
};