QRealSpinBox Class Reference

#include <QRealSpinBox.hpp>

List of all members.

Public Slots
void	setValue (real_t value)
void	setPercentage (int value)
Signals
void	valueChanged (real_t value)
Public Member Functions
	QRealSpinBox (QWidget *parent=0)
	QRealSpinBox (const real_t &minValue, const real_t &maxValue, const int &decimals=2, const real_t &step=1.0, QWidget *parent=0)
	~QRealSpinBox ()
virtual QSize	sizeHint () const
real_t	value () const
int	percentage () const
real_t	minValue () const
real_t	maxValue () const
void	setRange (real_t minValue, real_t maxValue)
Protected Member Functions
virtual QString	mapValueToText (int value)
virtual int	mapTextToValue (bool *ok=0)
virtual void	valueChange ()
Private Attributes
QDoubleValidator *	__validator
int	__decimals

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Detailed Description

Definition at line 39 of file QRealSpinBox.hpp.

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Constructor & Destructor Documentation

QRealSpinBox::QRealSpinBox

(

QWidget *

parent = 0

)

Definition at line 26 of file QRealSpinBox.cpp.

References fferr(), setRange(), and setValue().

  : QSpinBox(parent),
  __validator(new QDoubleValidator( -2e10, 2e10, 2, this))
{
  this->setRange(int(-2e10), int(2e10));
  fferr(1) << __FILE__ << ':' << __LINE__ << ":warning: Validator not inactivated\n";
//   this->setValidator( __validator ); 
  this->setValue( 0.0 );
}

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QRealSpinBox::QRealSpinBox	(	const real_t &	minValue,
		const real_t &	maxValue,
		const int &	decimals = 2,
		const real_t &	step = 1.0,
		QWidget *	parent = 0
	)

Definition at line 36 of file QRealSpinBox.cpp.

References fferr(), setRange(), and setValue().

  : QSpinBox(parent ),
    __validator(new QDoubleValidator( minValue, maxValue, 2, this)),
    __decimals( decimals )
{
  this->setRange(int( minValue * std::pow( 10., decimals )), int( maxValue * std::pow( 10., decimals ) ));
  this->setSingleStep(int(rint(step * std::pow(10., decimals))));
  fferr(1) << __FILE__ << ':' << __LINE__ << ":warning: Validator not inactivated\n";
//   setValidator( __validator ); 
  this->setValue( 0.5*(minValue+maxValue) );
}

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QRealSpinBox::~QRealSpinBox

(

)

Definition at line 52 of file QRealSpinBox.cpp.

{
  ;
}  

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Member Function Documentation

QSize QRealSpinBox::sizeHint

(

)

const [virtual]

Definition at line 118 of file QRealSpinBox.cpp.

References __decimals, maxValue(), and minValue().

{
  QFontMetrics fm = fontMetrics();
  int h = fm.height();
  if ( h < 12 )       // ensure enough space for the button pixmaps
    h = 12;
  int w = 35;         // minimum width for the value
  int wx = fm.width( "  " );
  QString s;
  s.setNum( minValue(), 'f', __decimals );
  s.prepend( prefix() );
  s.append( suffix() );
  w = std::max( w, fm.width( s ) + wx );
  s.setNum( maxValue(), 'f', __decimals );
  s.prepend( prefix() );
  s.append( suffix() );
  w = std::max( w, fm.width( s ) + wx );
  s = specialValueText();
  w = std::max( w, fm.width( s ) + wx );

  QSize r ( h // buttons AND frame both sides
          + 6 // right/left margins
          + w, // widest value
//        frameWidth() * 2 // top/bottom frame
//        w * 2
          + 4 // top/bottom margins
          + h // font height
          );
    return r;
}

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real_t QRealSpinBox::value

(

)

const

Definition at line 69 of file QRealSpinBox.cpp.

References __decimals.

Referenced by ContourWidget::setPercentage(), and valueChange().

{
  return QSpinBox::value()/std::pow( 10., __decimals );
}

int QRealSpinBox::percentage

(

)

const

Definition at line 74 of file QRealSpinBox.cpp.

Referenced by ContourWidget::setPercentage(), and ContourWidget::setValue().

{
  if (maximum() != minimum()) {
    return 100 * (QSpinBox::value() - minimum())
      / (maximum() - minimum());
  } else {
    return 100;
  }
}

real_t QRealSpinBox::minValue

(

)

const

Definition at line 91 of file QRealSpinBox.cpp.

References __decimals.

Referenced by sizeHint().

{
  return minimum()/std::pow( 10., __decimals );
}

real_t QRealSpinBox::maxValue

(

)

const

Definition at line 96 of file QRealSpinBox.cpp.

References __decimals.

Referenced by sizeHint().

{
  return maximum()/std::pow( 10., __decimals );
}

void QRealSpinBox::setRange	(	real_t	minValue,
		real_t	maxValue
	)

Definition at line 106 of file QRealSpinBox.cpp.

References __decimals, and __validator.

Referenced by QRealSpinBox(), and ContourWidget::set().

{
  QSpinBox::setRange(int(minValue *  std::pow(10., __decimals )), 
                     int(maxValue *  std::pow(10., __decimals )));
  __validator->setRange(minValue, maxValue, 2);
}

void QRealSpinBox::setValue

(

real_t

value

)

[slot]

Definition at line 101 of file QRealSpinBox.cpp.

References __decimals.

Referenced by QRealSpinBox().

{
  this->QSpinBox::setValue(int(givenValue * std::pow( 10., __decimals )));
}

void QRealSpinBox::setPercentage

(

int

value

)

[slot]

Definition at line 83 of file QRealSpinBox.cpp.

Referenced by ContourWidget::setPercentage().

{
//   this->QSpinBox::setPercentage(i);
  this->QSpinBox::setValue(int((QSpinBox::minimum()*(99.-i)
                                + QSpinBox::maximum()*i)/99.));
}

void QRealSpinBox::valueChanged

(

real_t

value

)

[signal]

Referenced by valueChange().

QString QRealSpinBox::mapValueToText

(

int

value

)

[protected, virtual]

Definition at line 57 of file QRealSpinBox.cpp.

References __decimals.

{
  QString s;
  s.setNum(givenValue/std::pow( 10., __decimals ), 'f', __decimals );
  return s;
}

int QRealSpinBox::mapTextToValue

(

bool *

ok = 0

)

[protected, virtual]

Definition at line 64 of file QRealSpinBox.cpp.

References __decimals.

{
  return int( cleanText().toFloat( ok ) * std::pow( 10., __decimals ) );
}

void QRealSpinBox::valueChange

(

)

[protected, virtual]

Definition at line 113 of file QRealSpinBox.cpp.

References value(), and valueChanged().

{
  emit valueChanged(value());
}

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Member Data Documentation

QDoubleValidator* QRealSpinBox::__validator [private]

Definition at line 44 of file QRealSpinBox.hpp.

Referenced by setRange().

int QRealSpinBox::__decimals [private]

Definition at line 45 of file QRealSpinBox.hpp.

Referenced by mapTextToValue(), mapValueToText(), maxValue(), minValue(), setRange(), setValue(), sizeHint(), and value().

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

• QRealSpinBox.hpp
• QRealSpinBox.cpp