UE::WindowsApplication::TouchpadSensitivity Namespace Reference

Classes
struct	tagTOUCHPAD_PARAMETERS_V0

Typedefs
typedef BOOL(*	SetMaxTouchpadSensitivityProc) (_In_ BOOL enable)
typedef enum UE::WindowsApplication::TouchpadSensitivity::LEGACY_TOUCHPAD_FEATURES	LEGACY_TOUCHPAD_FEATURES
typedef enum UE::WindowsApplication::TouchpadSensitivity::TOUCHPAD_SENSITIVITY_LEVEL	TOUCHPAD_SENSITIVITY_LEVEL
typedef struct UE::WindowsApplication::TouchpadSensitivity::tagTOUCHPAD_PARAMETERS_V0	TOUCHPAD_PARAMETERS_V0
typedef struct UE::WindowsApplication::TouchpadSensitivity::tagTOUCHPAD_PARAMETERS_V0 *	PTOUCHPAD_PARAMETERS_V0

Enumerations
enum class	EForceMaxTouchpadSensitivityMode { NotCached , DoNothing , SetTouchpadParameters , SetMaxTouchpadSensitivity }
enum	LEGACY_TOUCHPAD_FEATURES { LEGACY_TOUCHPAD_FEATURE_NONE = 0x00000000 , LEGACY_TOUCHPAD_FEATURE_ENABLE_DISABLE = 0x00000001 , LEGACY_TOUCHPAD_FEATURE_REVERSE_SCROLL_DIRECTION = 0x00000004 }
enum	TOUCHPAD_SENSITIVITY_LEVEL {   TOUCHPAD_SENSITIVITY_LEVEL_MOST_SENSITIVE = 0x00000000 , TOUCHPAD_SENSITIVITY_LEVEL_HIGH_SENSITIVITY = 0x00000001 , TOUCHPAD_SENSITIVITY_LEVEL_MEDIUM_SENSITIVITY = 0x00000002 , TOUCHPAD_SENSITIVITY_LEVEL_LOW_SENSITIVITY = 0x00000003 ,   TOUCHPAD_SENSITIVITY_LEVEL_LEAST_SENSITIVE = 0x00000004 , TOUCHPAD_SENSITIVITY_LEVEL_NOT_SET = 0x0000000F }

Functions
	DECLARE_LOG_CATEGORY_EXTERN (LogWindowsTouchpad, Display, VeryVerbose)
	DEFINE_LOG_CATEGORY (LogWindowsTouchpad)
bool	SetMaxTouchpadSensitivity (bool Enable)
bool	TryCacheSetMaxTouchpadSensitivityProc ()
void	CacheForceMaxTouchpadSensitivityMode ()
EForceMaxTouchpadSensitivityMode	GetForceMaxTouchpadSensitivityMode ()
bool	SupportsForceMaxTouchpadSensitivity ()
void	GetRegistryStoreIdAndSection (FString &OutStoreId, FString &OutSectionName)
void	WriteSavedSensitivityToRegistry (TOUCHPAD_SENSITIVITY_LEVEL SavedSensitivity)
void	ReadSavedSensitivityFromRegistry (TOUCHPAD_SENSITIVITY_LEVEL &OutSavedSensitivity, bool &OutbSuccess)
void	ClearSavedSensitivityFromRegistry ()
FWindowsApplication::EForceMaxTouchpadSensitivityRestorationValues	GetForceMaxTouchpadSensitivityRestorationValue ()
void	OnWMSettingChangeSetTouchpadParameters ()
void	ApplyForceMaxTouchpadSensitivity ()
void	RemoveForceMaxTouchpadSensitivity ()
void	RemoveForceMaxTouchpadSensitivityOnErrorShutdown ()
void	HandleStartupApp ()
void	HandleActivateApp (bool bActivate)
void	HandleDestroyApplication ()
void	HandleShutDownAfterError ()

Variables
FAutoConsoleVariableRef	CVarForceMaxTouchpadSensitivity (TEXT("WindowsApplication.ForceMaxTouchpadSensitivity"), bForceMaxTouchpadSensitivity, TEXT("Force Touchpad sensitivity to maximum in game when the app is active (aka has focus)." " The sensitivity setting can reject touchpad touches while typing on the theory that they are accidental, but that is not a good assumption for games." " The setting defaults to 'Medium'. The 'Most sensitive' setting does not reject any touches, so that is what we want.." " On Windows10 22H2 we force the global system setting to 'Most Sensitive', but do not write that to the registry persistently." " We will set it back when the app loses focus and on exit, but it may not happen in the case of a crash leaving the setting altered until a reboot." " On Window11 24H2 (excepting very early installs of 24H2) a new api SetMaxTouchpadSensitivity exists and we use that." " SetMaxTouchpadSensitivity changes the setting only for this app, so we do not need to handle clean-up." " When the cvar is changed a CVarSinkHandler will attempt to apply or remove max sensitivity."))
FAutoConsoleVariableRef	CVarDisableForceMaxTouchpadSensitivity_SetTouchpadParameters (TEXT("WindowsApplication.DisableForceMaxTouchpadSensitivity_SetTouchpadParameters"), bDisableForceMaxTouchpadSensitivity_SetTouchpadParameters,)
FAutoConsoleVariableRef	CVarDisableForceMaxTouchpadSensitivity_SetMaxTouchpadSensitivity (TEXT("WindowsApplication.DisableForceMaxTouchpadSensitivity_SetMaxTouchpadSensitivity"), bDisableForceMaxTouchpadSensitivity_SetMaxTouchpadSensitivity,)
FAutoConsoleVariableRef	CVarWriteSavedTouchpadSensitivityToRegistry (TEXT("WindowsApplication.WriteSavedTouchpadSensitivityToRegistry"), bWriteSavedTouchpadSensitivityToRegistry,)
FAutoConsoleVariableRef	CVarRestoreTouchpadSensitivityFromRegistry (TEXT("WindowsApplication.RestoreTouchpadSensitivityFromRegistry"), bRestoreTouchpadSensitivityFromRegistry,)
const UINT	SPI_GETTOUCHPADPARAMETERS = 0x00AE
const UINT	SPI_SETTOUCHPADPARAMETERS = 0x00AF

Typedef Documentation

LEGACY_TOUCHPAD_FEATURES

typedef enum UE::WindowsApplication::TouchpadSensitivity::LEGACY_TOUCHPAD_FEATURES UE::WindowsApplication::TouchpadSensitivity::LEGACY_TOUCHPAD_FEATURES

PTOUCHPAD_PARAMETERS_V0

typedef struct UE::WindowsApplication::TouchpadSensitivity::tagTOUCHPAD_PARAMETERS_V0 * UE::WindowsApplication::TouchpadSensitivity::PTOUCHPAD_PARAMETERS_V0

SetMaxTouchpadSensitivityProc

typedef BOOL(* UE::WindowsApplication::TouchpadSensitivity::SetMaxTouchpadSensitivityProc) (_In_ BOOL enable)

TOUCHPAD_PARAMETERS_V0

typedef struct UE::WindowsApplication::TouchpadSensitivity::tagTOUCHPAD_PARAMETERS_V0 UE::WindowsApplication::TouchpadSensitivity::TOUCHPAD_PARAMETERS_V0

TOUCHPAD_SENSITIVITY_LEVEL

typedef enum UE::WindowsApplication::TouchpadSensitivity::TOUCHPAD_SENSITIVITY_LEVEL UE::WindowsApplication::TouchpadSensitivity::TOUCHPAD_SENSITIVITY_LEVEL

Enumeration Type Documentation

EForceMaxTouchpadSensitivityMode

enum class UE::WindowsApplication::TouchpadSensitivity::EForceMaxTouchpadSensitivityMode

strong

Enumerator
NotCached
DoNothing
SetTouchpadParameters
SetMaxTouchpadSensitivity

LEGACY_TOUCHPAD_FEATURES

enum UE::WindowsApplication::TouchpadSensitivity::LEGACY_TOUCHPAD_FEATURES

Enumerator
LEGACY_TOUCHPAD_FEATURE_NONE
LEGACY_TOUCHPAD_FEATURE_ENABLE_DISABLE
LEGACY_TOUCHPAD_FEATURE_REVERSE_SCROLL_DIRECTION

TOUCHPAD_SENSITIVITY_LEVEL

enum UE::WindowsApplication::TouchpadSensitivity::TOUCHPAD_SENSITIVITY_LEVEL

Enumerator
TOUCHPAD_SENSITIVITY_LEVEL_MOST_SENSITIVE
TOUCHPAD_SENSITIVITY_LEVEL_HIGH_SENSITIVITY
TOUCHPAD_SENSITIVITY_LEVEL_MEDIUM_SENSITIVITY
TOUCHPAD_SENSITIVITY_LEVEL_LOW_SENSITIVITY
TOUCHPAD_SENSITIVITY_LEVEL_LEAST_SENSITIVE
TOUCHPAD_SENSITIVITY_LEVEL_NOT_SET

Function Documentation

ApplyForceMaxTouchpadSensitivity()

void UE::WindowsApplication::TouchpadSensitivity::ApplyForceMaxTouchpadSensitivity

(

)

CacheForceMaxTouchpadSensitivityMode()

void UE::WindowsApplication::TouchpadSensitivity::CacheForceMaxTouchpadSensitivityMode

(

)

ClearSavedSensitivityFromRegistry()

void UE::WindowsApplication::TouchpadSensitivity::ClearSavedSensitivityFromRegistry

(

)

DECLARE_LOG_CATEGORY_EXTERN()

UE::WindowsApplication::TouchpadSensitivity::DECLARE_LOG_CATEGORY_EXTERN	(	LogWindowsTouchpad	,
		Display	,
		VeryVerbose
	)

DEFINE_LOG_CATEGORY()

UE::WindowsApplication::TouchpadSensitivity::DEFINE_LOG_CATEGORY

(

LogWindowsTouchpad

)

GetForceMaxTouchpadSensitivityMode()

EForceMaxTouchpadSensitivityMode UE::WindowsApplication::TouchpadSensitivity::GetForceMaxTouchpadSensitivityMode

(

)

GetForceMaxTouchpadSensitivityRestorationValue()

FWindowsApplication::EForceMaxTouchpadSensitivityRestorationValues UE::WindowsApplication::TouchpadSensitivity::GetForceMaxTouchpadSensitivityRestorationValue

(

)

GetRegistryStoreIdAndSection()

void UE::WindowsApplication::TouchpadSensitivity::GetRegistryStoreIdAndSection	(	FString &	OutStoreId,
		FString &	OutSectionName
	)

HandleActivateApp()

void UE::WindowsApplication::TouchpadSensitivity::HandleActivateApp

(

bool

bActivate

)

HandleDestroyApplication()

void UE::WindowsApplication::TouchpadSensitivity::HandleDestroyApplication

(

)

HandleShutDownAfterError()

void UE::WindowsApplication::TouchpadSensitivity::HandleShutDownAfterError

(

)

HandleStartupApp()

void UE::WindowsApplication::TouchpadSensitivity::HandleStartupApp

(

)

OnWMSettingChangeSetTouchpadParameters()

void UE::WindowsApplication::TouchpadSensitivity::OnWMSettingChangeSetTouchpadParameters

(

)

ReadSavedSensitivityFromRegistry()

void UE::WindowsApplication::TouchpadSensitivity::ReadSavedSensitivityFromRegistry	(	TOUCHPAD_SENSITIVITY_LEVEL &	OutSavedSensitivity,
		bool &	OutbSuccess
	)

RemoveForceMaxTouchpadSensitivity()

void UE::WindowsApplication::TouchpadSensitivity::RemoveForceMaxTouchpadSensitivity

(

)

RemoveForceMaxTouchpadSensitivityOnErrorShutdown()

void UE::WindowsApplication::TouchpadSensitivity::RemoveForceMaxTouchpadSensitivityOnErrorShutdown

(

)

SetMaxTouchpadSensitivity()

bool UE::WindowsApplication::TouchpadSensitivity::SetMaxTouchpadSensitivity

(

bool

Enable

)

SupportsForceMaxTouchpadSensitivity()

bool UE::WindowsApplication::TouchpadSensitivity::SupportsForceMaxTouchpadSensitivity

(

)

TryCacheSetMaxTouchpadSensitivityProc()

bool UE::WindowsApplication::TouchpadSensitivity::TryCacheSetMaxTouchpadSensitivityProc

(

)

WriteSavedSensitivityToRegistry()

void UE::WindowsApplication::TouchpadSensitivity::WriteSavedSensitivityToRegistry

(

TOUCHPAD_SENSITIVITY_LEVEL

SavedSensitivity

)

Variable Documentation

CVarDisableForceMaxTouchpadSensitivity_SetMaxTouchpadSensitivity

FAutoConsoleVariableRef UE::WindowsApplication::TouchpadSensitivity::CVarDisableForceMaxTouchpadSensitivity_SetMaxTouchpadSensitivity(TEXT("WindowsApplication.DisableForceMaxTouchpadSensitivity_SetMaxTouchpadSensitivity"), bDisableForceMaxTouchpadSensitivity_SetMaxTouchpadSensitivity,)	(	TEXT("WindowsApplication.DisableForceMaxTouchpadSensitivity_SetMaxTouchpadSensitivity")	,
		bDisableForceMaxTouchpadSensitivity_SetMaxTouchpadSensitivity
	)

CVarDisableForceMaxTouchpadSensitivity_SetTouchpadParameters

FAutoConsoleVariableRef UE::WindowsApplication::TouchpadSensitivity::CVarDisableForceMaxTouchpadSensitivity_SetTouchpadParameters(TEXT("WindowsApplication.DisableForceMaxTouchpadSensitivity_SetTouchpadParameters"), bDisableForceMaxTouchpadSensitivity_SetTouchpadParameters,)	(	TEXT("WindowsApplication.DisableForceMaxTouchpadSensitivity_SetTouchpadParameters")	,
		bDisableForceMaxTouchpadSensitivity_SetTouchpadParameters
	)

CVarForceMaxTouchpadSensitivity

FAutoConsoleVariableRef UE::WindowsApplication::TouchpadSensitivity::CVarForceMaxTouchpadSensitivity(TEXT("WindowsApplication.ForceMaxTouchpadSensitivity"), bForceMaxTouchpadSensitivity, TEXT("Force Touchpad sensitivity to maximum in game when the app is active (aka has focus)." " The sensitivity setting can reject touchpad touches while typing on the theory that they are accidental, but that is not a good assumption for games." " The setting defaults to 'Medium'. The 'Most sensitive' setting does not reject any touches, so that is what we want.." " On Windows10 22H2 we force the global system setting to 'Most Sensitive', but do not write that to the registry persistently." " We will set it back when the app loses focus and on exit, but it may not happen in the case of a crash leaving the setting altered until a reboot." " On Window11 24H2 (excepting very early installs of 24H2) a new api SetMaxTouchpadSensitivity exists and we use that." " SetMaxTouchpadSensitivity changes the setting only for this app, so we do not need to handle clean-up." " When the cvar is changed a CVarSinkHandler will attempt to apply or remove max sensitivity."))	(	TEXT("WindowsApplication.ForceMaxTouchpadSensitivity")	,
		bForceMaxTouchpadSensitivity	,
		TEXT("Force Touchpad sensitivity to maximum in game when the app is active (aka has focus)." " The sensitivity setting can reject touchpad touches while typing on the theory that they are accidental, but that is not a good assumption for games." " The setting defaults to 'Medium'. The 'Most sensitive' setting does not reject any touches, so that is what we want.." " On Windows10 22H2 we force the global system setting to 'Most Sensitive', but do not write that to the registry persistently." " We will set it back when the app loses focus and on exit, but it may not happen in the case of a crash leaving the setting altered until a reboot." " On Window11 24H2 (excepting very early installs of 24H2) a new api SetMaxTouchpadSensitivity exists and we use that." " SetMaxTouchpadSensitivity changes the setting only for this app, so we do not need to handle clean-up." " When the cvar is changed a CVarSinkHandler will attempt to apply or remove max sensitivity.")
	)

CVarRestoreTouchpadSensitivityFromRegistry

FAutoConsoleVariableRef UE::WindowsApplication::TouchpadSensitivity::CVarRestoreTouchpadSensitivityFromRegistry(TEXT("WindowsApplication.RestoreTouchpadSensitivityFromRegistry"), bRestoreTouchpadSensitivityFromRegistry,)	(	TEXT("WindowsApplication.RestoreTouchpadSensitivityFromRegistry")	,
		bRestoreTouchpadSensitivityFromRegistry
	)

CVarWriteSavedTouchpadSensitivityToRegistry

FAutoConsoleVariableRef UE::WindowsApplication::TouchpadSensitivity::CVarWriteSavedTouchpadSensitivityToRegistry(TEXT("WindowsApplication.WriteSavedTouchpadSensitivityToRegistry"), bWriteSavedTouchpadSensitivityToRegistry,)	(	TEXT("WindowsApplication.WriteSavedTouchpadSensitivityToRegistry")	,
		bWriteSavedTouchpadSensitivityToRegistry
	)

SPI_GETTOUCHPADPARAMETERS

const UINT UE::WindowsApplication::TouchpadSensitivity::SPI_GETTOUCHPADPARAMETERS = 0x00AE

SPI_SETTOUCHPADPARAMETERS

const UINT UE::WindowsApplication::TouchpadSensitivity::SPI_SETTOUCHPADPARAMETERS = 0x00AF