QGpCoreTools::EventRestrictor Class Reference

Restricts the number of events per unit of time. More...

#include <EventRestrictor.h>

List of all members.

Signals
void	flushAll ()
Public Member Functions
	EventRestrictor (QObject *parent=0)
bool	newEvent ()
void	setInterval (int ms)
	~EventRestrictor ()

---

Detailed Description

Restricts the number of events per unit of time.

---

Constructor & Destructor Documentation

QGpCoreTools::EventRestrictor::EventRestrictor

(

QObject *

parent = 0

)

References flushAll().

    : QObject(parent)
  {
    _chrono.start();
    _lastEvent.setSingleShot(true);
    connect(&_lastEvent, SIGNAL(timeout()), this, SIGNAL(flushAll()));
  }

QGpCoreTools::EventRestrictor::~EventRestrictor

(

)

References flushAll().

  {
    emit flushAll();
  }

---

Member Function Documentation

void QGpCoreTools::EventRestrictor::flushAll

(

)

[signal]

Referenced by EventRestrictor(), and ~EventRestrictor().

bool QGpCoreTools::EventRestrictor::newEvent

(

)

Referenced by Engine::signalDataChanged().

  {
    int delay=_chrono.elapsed();
    if(delay>=_lastEvent.interval()) {
      _chrono.start();
      return true;
    } else {
      _lastEvent.stop();
      _lastEvent.start(_lastEvent.interval()-delay);
      return false;
    }
  }

void QGpCoreTools::EventRestrictor::setInterval

(

int

ms

)

[inline]

Referenced by AcquisitionWidget::AcquisitionWidget(), and Engine::Engine().

{_lastEvent.setInterval(ms);}

---

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

• QGpCoreTools/EventRestrictor.h
• QGpCoreTools/EventRestrictor.cpp