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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stéphane Del Pino
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: QRealSpinBox.cpp,v 1.5 2007/05/20 23:02:48 delpinux Exp $
#include <StreamCenter.hpp>
#include <QRealSpinBox.hpp>
#include <cmath>
/*!
\class Real_TSpinBox real_tspinbox.h
\brief reimplements QSpinBox for real_t values
*/
QRealSpinBox::QRealSpinBox(QWidget* parent)
: 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 );
}
QRealSpinBox::QRealSpinBox(const real_t& minValue,
const real_t& maxValue,
const int& decimals,
const real_t& step,
QWidget* parent)
: 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) );
}
QRealSpinBox::~QRealSpinBox()
{
;
}
QString QRealSpinBox::mapValueToText ( int givenValue )
{
QString s;
s.setNum(givenValue/std::pow( 10., __decimals ), 'f', __decimals );
return s;
}
int QRealSpinBox::mapTextToValue ( bool * ok )
{
return int( cleanText().toFloat( ok ) * std::pow( 10., __decimals ) );
}
real_t QRealSpinBox::value() const
{
return QSpinBox::value()/std::pow( 10., __decimals );
}
int QRealSpinBox::percentage() const
{
if (maximum() != minimum()) {
return 100 * (QSpinBox::value() - minimum())
/ (maximum() - minimum());
} else {
return 100;
}
}
void QRealSpinBox::setPercentage(int i)
{
// this->QSpinBox::setPercentage(i);
this->QSpinBox::setValue(int((QSpinBox::minimum()*(99.-i)
+ QSpinBox::maximum()*i)/99.));
}
real_t QRealSpinBox::minValue() const
{
return minimum()/std::pow( 10., __decimals );
}
real_t QRealSpinBox::maxValue() const
{
return maximum()/std::pow( 10., __decimals );
}
void QRealSpinBox::setValue( real_t givenValue )
{
this->QSpinBox::setValue(int(givenValue * std::pow( 10., __decimals )));
}
void QRealSpinBox::setRange( real_t minValue, real_t maxValue )
{
QSpinBox::setRange(int(minValue * std::pow(10., __decimals )),
int(maxValue * std::pow(10., __decimals )));
__validator->setRange(minValue, maxValue, 2);
}
void QRealSpinBox::valueChange()
{
emit valueChanged(value());
}
QSize QRealSpinBox::sizeHint() const
{
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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