LTouchDownEvent Class Reference

Touch down event. More...

Inheritance diagram for LTouchDownEvent:

Public Member Functions
	LTouchDownEvent (Int32 id=0, const LPointF &pos=LPointF(0.f, 0.f), UInt32 serial=LTime::nextSerial(), UInt32 ms=LTime::ms(), UInt64 us=LTime::us(), LInputDevice *device=nullptr) noexcept
	Constructs an LTouchDownEvent object. More...
void	setPos (const LPointF &pos) noexcept
	Sets the position of the touch point. More...
void	setPos (Float32 x, Float32 y) noexcept
	Sets the position of the touch point. More...
void	setX (Float32 x) noexcept
	Sets the x-coordinate of the touch point position. More...
void	setY (Float32 y) noexcept
	Sets the y-coordinate of the touch point position. More...
const LPointF &	pos () const noexcept
	Gets the position of the touch point. More...
void	setId (Int32 id) noexcept
	Sets the unique identifier of the touch point. More...
Int32	id () const noexcept
	Gets the unique identifier of the touch point. More...
Public Member Functions inherited from LTouchEvent
Int32	id () const noexcept
	Gets the unique identifier of the touch point. More...
Public Member Functions inherited from LInputEvent
void	setDevice (LInputDevice *device) noexcept
	Sets the input device that originated the event. More...
LInputDevice *	device () const noexcept
	Gets the input device that originated this event. More...
Public Member Functions inherited from LEvent
	~LEvent () noexcept=default
	Destructor. More...
Type	type () const noexcept
	Retrieves the type of the event. More...
Subtype	subtype () const noexcept
	Retrieves the subtype of the event. More...
void	setSerial (UInt32 serial) noexcept
	Sets the serial of the event. More...
UInt32	serial () const noexcept
	Retrieves the serial of the event. More...
void	setMs (UInt32 ms) noexcept
	Sets the time the event was generated in milliseconds. More...
UInt32	ms () const noexcept
	Retrieves the time the event was generated in milliseconds. More...
void	setUs (UInt32 us) noexcept
	Sets the time the event was generated in microseconds. More...
UInt64	us () const noexcept
	Retrieves the time the event was generated in microseconds. More...
LEvent *	copy () const noexcept
	Creates a deep copy of the event. More...

Public Attributes
LPointF	localPos
	The surface or view local position where the touch point is positioned in surface coordinates. More...

Additional Inherited Members
Public Types inherited from LEvent
enum class	Type : UInt8
	Defines the type of event. More...
enum class	Subtype : UInt8
	Defines the subtype of event. More...

Detailed Description

Touch down event.

Constructor & Destructor Documentation

LTouchDownEvent()

LTouchDownEvent ( Int32  id = 0, const LPointF &  pos = LPointF(0.f, 0.f), UInt32  serial = LTime::nextSerial(), UInt32  ms = LTime::ms(), UInt64  us = LTime::us(), LInputDevice *  device = nullptr  )

inlinenoexcept

Constructs an LTouchDownEvent object.

Parameters

id	The unique identifier of the touch point.
pos	The position of the touch point [0, 1].
serial	The serial number of the event.
ms	The millisecond timestamp of the event.
us	The microsecond timestamp of the event.
device	The input device that originated the event.

Member Function Documentation

setPos() [1/2]

void setPos ( const LPointF &  pos )

inlinenoexcept

Sets the position of the touch point.

setPos() [2/2]

void setPos ( Float32  x, Float32  y  )

inlinenoexcept

Sets the position of the touch point.

setX()

void setX ( Float32  x )

inlinenoexcept

Sets the x-coordinate of the touch point position.

setY()

void setY ( Float32  y )

inlinenoexcept

Sets the y-coordinate of the touch point position.

pos()

const LPointF& pos ( ) const

inlinenoexcept

Gets the position of the touch point.

Note

The position is typically normalized to the range [0, 1] for both axes.

setId()

void setId ( Int32  id )

inlinenoexcept

Sets the unique identifier of the touch point.

id()

Int32 id ( ) const

inlinenoexcept

Gets the unique identifier of the touch point.

Member Data Documentation

localPos

LPointF localPos

mutable

The surface or view local position where the touch point is positioned in surface coordinates.