EpicsString Class Reference

#include <epicsstring.h>

Inheritance diagram for EpicsString:

Public Slots
void	changeValue (QString val)
void	caput (QString val)

Signals
void	valueChanged (QString)
Signals inherited from EpicsObject
void	valueChanged ()

Public Member Functions
	EpicsString (QString pvName, QObject *parent=0, int debug=0)
virtual	~EpicsString ()
void	changeConnection (QString pv)
QString	value ()
Public Member Functions inherited from EpicsObject
	EpicsObject (QString pvName, QObject *parent=0, int debug=0)
virtual	~EpicsObject ()
void	changeConnection (QString pv)
int	count ()
QString	pvName ()
QString	toolTip ()
virtual void	connected ()
virtual void	disconnected ()
chid	channelID ()
int	debug ()
void	setDebug (int dbg)
void	settle (double t)
void	ca_pend_io (double t)

Private Member Functions
virtual caEventCallBackFunc *	get_event_handler ()

Static Private Member Functions
static void	event_handler (struct event_handler_args arg)

Private Attributes
QString	m_Value

Additional Inherited Members
Static Public Attributes inherited from EpicsObject
static QMutex	m_Mutex
Protected Attributes inherited from EpicsObject
chid	m_ChannelID
evid	m_EventID
bool	m_HasEventHandler
int	m_Debug

Detailed Description

Definition at line 9 of file epicsstring.h.

Constructor & Destructor Documentation

EpicsString::EpicsString	(	QString	pvName,
		QObject *	parent = 0,
		int	debug = 0
	)

Definition at line 5 of file epicsstring.cpp.

  : EpicsObject(pvName, parent, debug),
    m_Value("")
{
}

EpicsString::~EpicsString ( )

virtual

Definition at line 11 of file epicsstring.cpp.

{
//   printf("EpicsString::~EpicsString(\"%s\")\n", qPrintable(pvName()));
}

Member Function Documentation

void EpicsString::caput ( QString  val )

slot

Definition at line 71 of file epicsstring.cpp.

References EpicsObject::ca_pend_io(), and EpicsObject::channelID().

Referenced by EpicsPulseAnalyser::setGated(), EpicsPulseAnalyser::setLowerLevel(), and EpicsPulseAnalyser::setUpperLevel().

{
  ca_put(DBR_STRING, channelID(), qPrintable(val));
  ca_pend_io(0.5);
}

void EpicsString::changeConnection

(

QString

pv

)

void EpicsString::changeValue ( QString  val )

slot

Definition at line 61 of file epicsstring.cpp.

References EpicsObject::m_Mutex, m_Value, and EpicsObject::valueChanged().

Referenced by event_handler().

{
  QMutexLocker lock(&m_Mutex);

  if (m_Value != newval) {
    m_Value = newval;
    emit valueChanged(m_Value);
  }
}

void EpicsString::event_handler ( struct event_handler_args  arg )

staticprivate

Definition at line 16 of file epicsstring.cpp.

References changeValue(), and EpicsObject::debug().

Referenced by get_event_handler().

{
  union db_access_val *pb = (union db_access_val *) arg.dbr;

  QString res="";

  switch (arg.type) {
  case DBR_SHORT:
    res = QString::number(pb->shrtval);
    break;
  case DBR_LONG:
    res = QString::number(pb->longval);
    break;
  case DBR_FLOAT:
    res = QString::number(pb->fltval);
    break;
  case DBR_ENUM:
    res = QString::number(pb->enmval);
    break;
  case DBR_CHAR:
    res = QString::number(pb->charval);
    break;
  case DBR_DOUBLE:
    res = QString::number(pb->doubleval);
    break;
  case DBR_STRING:
    res = QString(pb->strval);
  default:
    printf("data type %ld not supported\n", arg.type);
  }

  EpicsString* s = ((EpicsString*) arg.usr);

  if (s && s->debug()) {
    printf("%s Epics String Event Handler called %ld = %s\n", ca_name(arg.chid), arg.type, qPrintable(res));
  }

  ((EpicsString*) arg.usr) -> changeValue(res);
}

caEventCallBackFunc * EpicsString::get_event_handler ( )

privatevirtual

Implements EpicsObject.

Definition at line 56 of file epicsstring.cpp.

References event_handler().

{
  return &EpicsString::event_handler;
}

QString EpicsString::value

(

)

Definition at line 77 of file epicsstring.cpp.

References EpicsObject::m_Mutex, and m_Value.

Referenced by EpicsStringDisplay::EpicsStringDisplay(), and EpicsStringLineEdit::EpicsStringLineEdit().

{
  QMutexLocker lock(&m_Mutex);

  return m_Value;
}

void EpicsString::valueChanged ( QString  )

signal

Member Data Documentation

QString EpicsString::m_Value

private

Definition at line 33 of file epicsstring.h.

Referenced by changeValue(), and value().

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

• epicsstring.h
• epicsstring.cpp