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/***************************************************************************
* Copyright (C) 2006 by *
* Joris Guisson <[email protected]> *
* Vincent Wagelaar <[email protected]> *
* Jonas Widarsson <[email protected]> *
* *
* 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 of the License, 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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <tdeglobal.h>
#include <tdelocale.h>
#include <tqlineedit.h>
#include "floatspinbox.h"
#include "localefloatvalidator.h"
kt::FloatSpinBox::FloatSpinBox(
TQWidget * parent,
const char * name
)
:TQSpinBox( -100, 100, 1, parent, name),
m_precision_digits( 2 ),
m_value(0.0f),
m_minValue(0.0f),
m_maxValue(0.0f),
m_useRange(false),
m_oldIntVal(0)
{
TQSpinBox::setValue(0);
setStep( 0.25f );
connect(this, TQT_SIGNAL(valueChanged ( int )), this, TQT_SLOT(internalValueChanged( int )));
setValidator( new LocaleFloatValidator( TQT_TQOBJECT(dynamic_cast<TQSpinBox * > (this)) ));
editor()->setAlignment(TQt::AlignRight);
}
kt::FloatSpinBox::FloatSpinBox(
int precision,
TQWidget * parent,
const char * name
)
:TQSpinBox( -100, 100, 1, parent, name),
m_precision_digits( precision ),
m_value(0.0f),
m_minValue(0.0f),
m_maxValue(0.0f),
m_useRange(false),
m_oldIntVal(0)
{
TQSpinBox::setValue(0);
setStep( 0.25 );
connect(this, TQT_SIGNAL(valueChanged ( int )), this, TQT_SLOT(internalValueChanged( int )));
setValidator( new LocaleFloatValidator( TQT_TQOBJECT(dynamic_cast<TQSpinBox * > (this)) ));
}
kt::FloatSpinBox::FloatSpinBox(
float minValue,
float maxValue,
float step,
int precision,
TQWidget * parent,
const char * name
)
:TQSpinBox( -100, 100, 1, parent, name),
m_precision_digits( precision ),
m_value(0.0f),
m_minValue(minValue),
m_maxValue(maxValue),
m_useRange(true),
m_oldIntVal(0)
{
TQSpinBox::setValue(0);
setValue(0.0f);
setStep( step );
connect(this, TQT_SIGNAL(valueChanged ( int )), this, TQT_SLOT(internalValueChanged( int )));
setValidator( new LocaleFloatValidator( TQT_TQOBJECT(this) ));
}
TQString kt::FloatSpinBox::mapValueToText( int value )
{
/// This is called from TQSpinBox, which passes an int.
/// As we don't use the TQSpinBox's internal value, we ignore it.
TQString t = TDEGlobal::locale()->formatNumber( m_value, m_precision_digits);
editor()->setText(t);
return t;
}
int kt::FloatSpinBox::mapTextToValue( bool * ok )
{
/// This is called from TQSpinBox, which needs an int for return.
/// As we don't use the TQSpinBox's internal value, we only return 0.
float value = TDEGlobal::locale()->readNumber(text(), ok);
if (*ok)
{
setValue(value);
*ok = true;
}
return 1;
}
float kt::FloatSpinBox::minValue( ) const
{
return m_minValue;
}
float kt::FloatSpinBox::maxValue( ) const
{
return m_maxValue;
}
float kt::FloatSpinBox::value( ) const
{
return m_value;
}
int kt::FloatSpinBox::precision( ) const
{
return m_precision_digits;
}
void kt::FloatSpinBox::setMinValue( float minValue )
{
if (minValue <= m_maxValue)
{
m_minValue = minValue;
m_useRange = true;
}
}
void kt::FloatSpinBox::setMaxValue( float maxValue )
{
if (maxValue >= m_minValue)
{
m_maxValue = maxValue;
m_useRange = true;
}
}
void kt::FloatSpinBox::setValue( float value )
{
bool changed = false;
if (m_useRange)
{
float old = m_value;
m_value = max(m_minValue, min(m_maxValue, value));
if ( old != m_value )
changed = true;
}
else
{
m_value = value;
changed = true;
}
if (changed)
{
mapValueToText(0);
emit valueChanged( m_value );
emit valueHasChanged();
}
}
void kt::FloatSpinBox::setStep( float step)
{
if (step > 0)
m_step = step;
}
void kt::FloatSpinBox::internalValueChanged( int value )
{
/// The step buttons won't work without tracking the
/// TQSpinbox's value changes.
if ( value > m_oldIntVal)
{
stepUp();
}
else
{
stepDown();
}
if (value > 10)
value -= 20;
if (value < -10)
value += 20;
m_oldIntVal = value;
}
void kt::FloatSpinBox::setPrecision( int value )
{
m_precision_digits = value;
}
void kt::FloatSpinBox::stepUp( )
{
setValue( m_value + m_step );
}
void kt::FloatSpinBox::stepDown( )
{
setValue( m_value - m_step );
}
kt::FloatSpinBox::~ FloatSpinBox( )
{
}
#include "floatspinbox.moc"
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