epicsdoubleinput.cpp

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#include "epicsdoubleinput.h"
#include "epicsdouble.h"
#include <QMetaType>

#include <stdio.h>

Q_DECLARE_METATYPE(dbr_gr_double)

EpicsDoubleInput::EpicsDoubleInput(EpicsDouble *var, QWidget *parent)
  : QDoubleSpinBox(parent),
    m_EpicsDouble(var)
{
  qRegisterMetaType<dbr_gr_double>();

  connect(this,            SIGNAL(editingFinished()),    this, SLOT(changeEpicsDouble()));
  connect(m_EpicsDouble, SIGNAL(valueChanged(double)), this, SLOT(setValue(double)));
  connect(m_EpicsDouble, SIGNAL(valueGraphicChanged(dbr_gr_double)), 
          this, SLOT(setGraphicValue(dbr_gr_double)));

  printf("EpicsDoubleInput::EpicsDoubleInput (%s -> %g)\n", 
         qPrintable(m_EpicsDouble->pvName()),m_EpicsDouble->value());

  setValue(m_EpicsDouble->value());
  setToolTip(m_EpicsDouble->toolTip());
}

EpicsDoubleInput::~EpicsDoubleInput()
{
}

void EpicsDoubleInput::changeEpicsDouble()
{
  m_EpicsDouble -> caput(value());
}

void EpicsDoubleInput::setGraphicValue(dbr_gr_double val)
{
  double lowlim = val.lower_disp_limit;
  double hilim = val.upper_disp_limit;

  setMinimum(lowlim);
  setMaximum(hilim);
}