lvh::Touchscreen Class Reference

Virtual touchscreen device handle. More...

#include <src/include/libvirtualhid/runtime.hpp>

Inheritance diagram for lvh::Touchscreen:

Collaboration diagram for lvh::Touchscreen:

Public Member Functions
OperationStatus	close () override
	Close the virtual device.
DeviceId	device_id () const override
	Get the device identifier assigned by the runtime.
std::vector< DeviceNode >	device_nodes () const override
	Get platform-visible nodes associated with the device.
bool	is_open () const override
	Check whether the device is open.
TouchContact	last_submitted_contact () const
	Get the most recently submitted touch contact.
Touchscreen &	operator= (const Touchscreen &)=delete
	Copy assignment is disabled because the handle owns device lifetime.
Touchscreen &	operator= (Touchscreen &&other) noexcept
	Move assign a touchscreen handle.
OperationStatus	place_contact (const TouchContact &contact)
	Place or move a touch contact.
const DeviceProfile &	profile () const override
	Get the profile used to create this device.
OperationStatus	release_contact (std::int32_t contact_id)
	Release a touch contact.
std::size_t	submit_count () const
	Get the number of successful submit operations.
	Touchscreen (const Touchscreen &)=delete
	Copy construction is disabled because the handle owns device lifetime.
	Touchscreen (detail::RuntimeConstructionToken token, std::shared_ptr< detail::TouchscreenDevice > device)
	Construct a touchscreen handle for Runtime-owned state.
	Touchscreen (Touchscreen &&other) noexcept
	Move construct a touchscreen handle.
	~Touchscreen () override
	Destroy the touchscreen handle and close the virtual device if it is still open.
Public Member Functions inherited from lvh::VirtualDevice
virtual	~VirtualDevice ()=default
	Destroy the virtual device handle.

Detailed Description

Virtual touchscreen device handle.

Constructor & Destructor Documentation

Touchscreen() [1/2]

lvh::Touchscreen::Touchscreen ( Touchscreen && other )

noexcept

Move construct a touchscreen handle.

Parameters

other

Handle to move from.

Touchscreen() [2/2]

lvh::Touchscreen::Touchscreen	(	detail::RuntimeConstructionToken	token,
		std::shared_ptr< detail::TouchscreenDevice >	device )

Construct a touchscreen handle for Runtime-owned state.

Parameters

token	Runtime construction token.
device	Shared touchscreen state.

Member Function Documentation

close()

OperationStatus lvh::Touchscreen::close ( )

overridevirtual

Close the virtual device.

Returns

Close operation status.

Implements lvh::VirtualDevice.

device_id()

DeviceId lvh::Touchscreen::device_id ( ) const

overridevirtual

Get the device identifier assigned by the runtime.

Returns

Device identifier.

Implements lvh::VirtualDevice.

device_nodes()

std::vector< DeviceNode > lvh::Touchscreen::device_nodes ( ) const

overridevirtual

Get platform-visible nodes associated with the device.

Returns

Device nodes and diagnostic paths currently known to the backend.

Implements lvh::VirtualDevice.

is_open()

bool lvh::Touchscreen::is_open ( ) const

overridevirtual

Check whether the device is open.

Returns

true when the device can accept operations.

Implements lvh::VirtualDevice.

last_submitted_contact()

TouchContact lvh::Touchscreen::last_submitted_contact

(

)

const

Get the most recently submitted touch contact.

Returns

Last submitted touch contact.

operator=() [1/2]

Touchscreen & lvh::Touchscreen::operator= ( const Touchscreen & )

delete

Copy assignment is disabled because the handle owns device lifetime.

Returns

This touchscreen handle.

operator=() [2/2]

Touchscreen & lvh::Touchscreen::operator= ( Touchscreen && other )

noexcept

Move assign a touchscreen handle.

Parameters

other

Handle to move from.

Returns

This touchscreen handle.

place_contact()

OperationStatus lvh::Touchscreen::place_contact

(

const TouchContact &

contact

)

Place or move a touch contact.

Parameters

contact

Touch contact state.

Returns

Submit operation status.

profile()

const DeviceProfile & lvh::Touchscreen::profile ( ) const

overridevirtual

Get the profile used to create this device.

Returns

Device profile.

Implements lvh::VirtualDevice.

release_contact()

OperationStatus lvh::Touchscreen::release_contact

(

std::int32_t

contact_id

)

Release a touch contact.

Parameters

contact_id

Consumer-stable contact identifier.

Returns

Submit operation status.

submit_count()

std::size_t lvh::Touchscreen::submit_count

(

)

const

Get the number of successful submit operations.

Returns

Submit count.

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The documentation for this class was generated from the following file:

• src/include/libvirtualhid/runtime.hpp