kanzi::EventFilter Class Reference

EventFilter class. More...

#include <kanzi/core.ui/input/event_filter.hpp>

Public Member Functions
	EventFilter (const EventSourceProperties &properties)
	Constructor. More...
	~EventFilter ()
	Destructor. More...
void	process (struct KzsEventQueue &queue)
	Filters events. More...
void	setTransformation (const Matrix3x3 &transformation)
	Sets the transformation property. More...

Protected Member Functions
void	processDiscardFilter (const struct KzsEventQueue &queueIn, struct KzsEventQueue &queueOut)
	Discards events as specified by the constructor arguments. More...

Protected Attributes
enum KzsInputTranslation	m_eventTranslation
	Translation of input event coordinates. More...
enum KzsInputOrientation	m_eventOrientation
	Orientation of input event coordinates. More...
unsigned int	m_eventAreaWidth
	Input event area width. More...
unsigned int	m_eventAreaHeight
	Input event area height. More...
Matrix3x3	m_eventTransformation
	Input event area height. More...
struct KzsEventQueue *	m_eventQueueBuffer
	Buffer used during calculations. More...
bool	m_discardPointerEvents
	Whether pointer events are discarded. More...
bool	m_discardTouchEvents
	Whether touch events are discarded. More...

Detailed Description

EventFilter class.

Translates, orients, transforms and coalesces events.

Constructor & Destructor Documentation

kanzi::EventFilter::EventFilter ( const EventSourceProperties &  properties )

explicit

Constructor.

kanzi::EventFilter::~EventFilter

(

)

Destructor.

Member Function Documentation

void kanzi::EventFilter::process

(

struct KzsEventQueue &

queue

)

Filters events.

The events in the given event queue are filtered based on the settings of the filter.

Note

The length of the event queue may be different after filtering.

void kanzi::EventFilter::setTransformation

(

const Matrix3x3 &

transformation

)

Sets the transformation property.

void kanzi::EventFilter::processDiscardFilter ( const struct KzsEventQueue &  queueIn, struct KzsEventQueue &  queueOut  )

protected

Discards events as specified by the constructor arguments.

Member Data Documentation

enum KzsInputTranslation kanzi::EventFilter::m_eventTranslation

protected

Translation of input event coordinates.

enum KzsInputOrientation kanzi::EventFilter::m_eventOrientation

protected

Orientation of input event coordinates.

unsigned int kanzi::EventFilter::m_eventAreaWidth

protected

Input event area width.

unsigned int kanzi::EventFilter::m_eventAreaHeight

protected

Input event area height.

Matrix3x3 kanzi::EventFilter::m_eventTransformation

protected

Input event area height.

struct KzsEventQueue* kanzi::EventFilter::m_eventQueueBuffer

protected

Buffer used during calculations.

bool kanzi::EventFilter::m_discardPointerEvents

protected

Whether pointer events are discarded.

bool kanzi::EventFilter::m_discardTouchEvents

protected

Whether touch events are discarded.

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

• kanzi/core.ui/input/event_filter.hpp