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/* This file is part of the KDE project
Copyright (C) 2002 Matthias Kretz <kretz@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
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.
*/
// $Id$
#include "kfloatspinbox.h"
#if defined(QT_ACCESSIBILITY_SUPPORT)
#include <qaccessible.h>
#endif
#include <knumvalidator.h>
#include <klocale.h>
#include <kglobal.h>
#include <kdebug.h>
int pow( int a, int b )
{
int ret = 1;
for( int i = 0; i < b; ++i )
ret *= a;
return ret;
}
KFloatSpinBox::KFloatSpinBox( float minValue, float maxValue, float step, unsigned int precision, QWidget * parent, const char * name )
: QSpinBox( parent, name )
, m_doselection( true )
{
setRange( minValue, maxValue, step, precision );
connect( this, SIGNAL( valueChanged( int ) ), this, SLOT( slotValueChanged( int ) ) );
}
KFloatSpinBox::~KFloatSpinBox()
{
}
void KFloatSpinBox::setRange( float minValue, float maxValue, float step, unsigned int precision )
{
m_factor = pow( 10, precision );
m_min = (int)( minValue * m_factor );
m_max = (int)( maxValue * m_factor );
m_step = (int)( step * m_factor );
QSpinBox::setRange( m_min, m_max );
setSteps( m_step, m_step * 10 );
if( precision == 0 )
setValidator( new KIntValidator( m_min, m_max, this, 10, "KFloatValidator::KIntValidator" ) );
else
setValidator( new KFloatValidator( minValue, maxValue, true, this, "KFloatSpinBox::KFloatValidator" ) );
}
float KFloatSpinBox::value() const
{
float ret = (float)QSpinBox::value() / m_factor;
kdDebug( 4630 ) << ret << endl;
return ret;
}
void KFloatSpinBox::setValue( float value )
{
QSpinBox::setValue( (int)( value * m_factor ) );
}
void KFloatSpinBox::setValueBlocking( float value )
{
m_doselection = false;
blockSignals( true );
KFloatSpinBox::setValue( value );
blockSignals( false );
m_doselection = true;
}
QString KFloatSpinBox::mapValueToText( int value )
{
return KGlobal::locale()->formatNumber( (float)value / (float)m_factor, 4 );
}
int KFloatSpinBox::mapTextToValue( bool * ok )
{
return (int)( m_factor * KGlobal::locale()->readNumber( text(), ok ) );
}
void KFloatSpinBox::valueChange()
{
if( m_doselection )
QSpinBox::valueChange();
else
{
updateDisplay();
emit valueChanged( value() );
#if defined(QT_ACCESSIBILITY_SUPPORT)
QAccessible::updateAccessibility( this, 0, QAccessible::ValueChanged );
#endif
}
}
void KFloatSpinBox::slotValueChanged( int )
{
emit valueChanged( value() );
}
#include "kfloatspinbox.moc"
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