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Diffstat (limited to 'kview/modules/scale/kfloatspinbox.cpp')
-rw-r--r-- | kview/modules/scale/kfloatspinbox.cpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/kview/modules/scale/kfloatspinbox.cpp b/kview/modules/scale/kfloatspinbox.cpp new file mode 100644 index 00000000..e5ce8465 --- /dev/null +++ b/kview/modules/scale/kfloatspinbox.cpp @@ -0,0 +1,116 @@ +/* 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" |