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koffice/lib/kofficeui/KoUnitWidgets.cpp

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/* This file is part of the KDE project
Copyright (C) 2002, Rob Buis(buis@kde.org)
Copyright (C) 2004, Nicolas GOUTTE <goutte@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "KoUnitWidgets.h"
#include "KoUnitWidgets.moc"
#include <kdebug.h>
#include <kglobal.h>
#include <klocale.h>
#include <qpushbutton.h>
#include <qlayout.h>
// ----------------------------------------------------------------
// Support classes
KoUnitDoubleValidator::KoUnitDoubleValidator( KoUnitDoubleBase *base, QObject *parent, const char *name )
: KDoubleValidator( parent, name ), m_base( base )
{
}
QValidator::State
KoUnitDoubleValidator::validate( QString &s, int &pos ) const
{
kdDebug(30004) << "KoUnitDoubleValidator::validate : " << s << " at " << pos << endl;
QValidator::State result = Acceptable;
QRegExp regexp ("([ a-zA-Z]+)$"); // Letters or spaces at end
const int res = regexp.search( s );
if ( res == -1 )
{
// Nothing like an unit? The user is probably editing the unit
kdDebug(30004) << "Intermediate (no unit)" << endl;
return Intermediate;
}
// ### TODO: are all the QString::stripWhiteSpace really necessary?
const QString number ( s.left( res ).stripWhiteSpace() );
const QString unitName ( regexp.cap( 1 ).stripWhiteSpace().lower() );
kdDebug(30004) << "Split:" << number << ":" << unitName << ":" << endl;
bool ok = false;
const double value = m_base->toDouble( number, &ok );
double newVal = 0.0;
if( ok )
{
KoUnit::Unit unit = KoUnit::unit( unitName, &ok );
if ( ok )
newVal = KoUnit::fromUserValue( value, unit );
else
{
// Probably the user is trying to edit the unit
kdDebug(30004) << "Intermediate (unknown unit)" << endl;
return Intermediate;
}
}
else
{
kdWarning(30004) << "Not a number: " << number << endl;
return Invalid;
}
newVal = KoUnit::ptToUnit( newVal, m_base->m_unit );
s = m_base->getVisibleText( newVal );
return result;
}
QString KoUnitDoubleBase::getVisibleText( double value ) const
{
const QString num ( QString( "%1%2").arg( KGlobal::locale()->formatNumber( value, m_precision ), KoUnit::unitName( m_unit ) ) );
kdDebug(30004) << "getVisibleText: " << QString::number( value, 'f', 12 ) << " => " << num << endl;
return num;
}
double KoUnitDoubleBase::toDouble( const QString& str, bool* ok ) const
{
QString str2( str );
/* KLocale::readNumber wants the thousand separator exactly at 1000.
But when editing, it might be anywhere. So we need to remove it. */
const QString sep( KGlobal::locale()->thousandsSeparator() );
if ( !sep.isEmpty() )
str2.remove( sep );
str2.remove( KoUnit::unitName( m_unit ) );
const double dbl = KGlobal::locale()->readNumber( str2, ok );
if ( ok )
kdDebug(30004) << "toDouble:" << str << ": => :" << str2 << ": => " << QString::number( dbl, 'f', 12 ) << endl;
else
kdWarning(30004) << "toDouble error:" << str << ": => :" << str2 << ":" << endl;
return dbl;
}
// ----------------------------------------------------------------
// Widget classes
KoUnitDoubleSpinBox::KoUnitDoubleSpinBox( QWidget *parent, const char *name )
: KDoubleSpinBox( parent, name ), KoUnitDoubleBase( KoUnit::U_PT, 2 )
, m_lowerInPoints( -9999 )
, m_upperInPoints( 9999 )
, m_stepInPoints( 1 )
{
KDoubleSpinBox::setPrecision( 2 );
m_validator = new KoUnitDoubleValidator( this, this );
QSpinBox::setValidator( m_validator );
setAcceptLocalizedNumbers( true );
setUnit( KoUnit::U_PT );
connect(this, SIGNAL(valueChanged( double )), SLOT(privateValueChanged()));
}
KoUnitDoubleSpinBox::KoUnitDoubleSpinBox( QWidget *parent,
double lower, double upper,
double step,
double value,
KoUnit::Unit unit,
unsigned int precision,
const char *name )
: KDoubleSpinBox( lower, upper, step, value, precision, parent, name ),
KoUnitDoubleBase( unit, precision ),
m_lowerInPoints( lower ), m_upperInPoints( upper ), m_stepInPoints( step )
{
m_unit = KoUnit::U_PT;
m_validator = new KoUnitDoubleValidator( this, this );
QSpinBox::setValidator( m_validator );
setAcceptLocalizedNumbers( true );
setUnit( unit );
changeValue( value );
setLineStep( 0.5 );
connect(this, SIGNAL(valueChanged( double )), SLOT(privateValueChanged()));
}
void
KoUnitDoubleSpinBox::changeValue( double val )
{
KDoubleSpinBox::setValue( KoUnit::toUserValue( val, m_unit ) );
// TODO: emit valueChanged ONLY if the value was out-of-bounds
// This will allow the 'user' dialog to set a dirty bool and ensure
// a proper value is getting saved.
}
void KoUnitDoubleSpinBox::privateValueChanged() {
emit valueChangedPt( value () );
}
void
KoUnitDoubleSpinBox::setUnit( KoUnit::Unit unit )
{
double oldvalue = KoUnit::fromUserValue( KDoubleSpinBox::value(), m_unit );
KDoubleSpinBox::setMinValue( KoUnit::toUserValue( m_lowerInPoints, unit ) );
KDoubleSpinBox::setMaxValue( KoUnit::toUserValue( m_upperInPoints, unit ) );
KDoubleSpinBox::setLineStep( KoUnit::toUserValue( m_stepInPoints, unit ) );
KDoubleSpinBox::setValue( KoUnit::ptToUnit( oldvalue, unit ) );
m_unit = unit;
setSuffix( KoUnit::unitName( unit ).prepend( ' ' ) );
}
double KoUnitDoubleSpinBox::value( void ) const
{
return KoUnit::fromUserValue( KDoubleSpinBox::value(), m_unit );
}
void KoUnitDoubleSpinBox::setMinValue( double min )
{
m_lowerInPoints = min;
KDoubleSpinBox::setMinValue( KoUnit::toUserValue( m_lowerInPoints, m_unit ) );
}
void KoUnitDoubleSpinBox::setMaxValue( double max )
{
m_upperInPoints = max;
KDoubleSpinBox::setMaxValue( KoUnit::toUserValue( m_upperInPoints, m_unit ) );
}
void KoUnitDoubleSpinBox::setLineStep( double step )
{
m_stepInPoints = KoUnit::toUserValue(step, KoUnit::U_PT );
KDoubleSpinBox::setLineStep( step );
}
void KoUnitDoubleSpinBox::setLineStepPt( double step )
{
m_stepInPoints = step;
KDoubleSpinBox::setLineStep( KoUnit::toUserValue( m_stepInPoints, m_unit ) );
}
void KoUnitDoubleSpinBox::setMinMaxStep( double min, double max, double step )
{
setMinValue( min );
setMaxValue( max );
setLineStepPt( step );
}
// ----------------------------------------------------------------
KoUnitDoubleLineEdit::KoUnitDoubleLineEdit( QWidget *parent, const char *name )
: KLineEdit( parent, name ), KoUnitDoubleBase( KoUnit::U_PT, 2 ), m_value( 0.0 ), m_lower( 0.0 ), m_upper( 9999.99 ),
m_lowerInPoints( 0.0 ), m_upperInPoints( 9999.99 )
{
setAlignment( Qt::AlignRight );
m_validator = new KoUnitDoubleValidator( this, this );
setValidator( m_validator );
setUnit( KoUnit::U_PT );
changeValue( KoUnit::ptToUnit( 0.0, KoUnit::U_PT ) );
}
KoUnitDoubleLineEdit::KoUnitDoubleLineEdit( QWidget *parent, double lower, double upper, double value, KoUnit::Unit unit,
unsigned int precision, const char *name )
: KLineEdit( parent, name ), KoUnitDoubleBase( unit, precision ), m_value( value ), m_lower( lower ), m_upper( upper ),
m_lowerInPoints( lower ), m_upperInPoints( upper )
{
setAlignment( Qt::AlignRight );
m_validator = new KoUnitDoubleValidator( this, this );
setValidator( m_validator );
setUnit( unit );
changeValue( KoUnit::ptToUnit( value, unit ) );
}
void
KoUnitDoubleLineEdit::changeValue( double value )
{
m_value = value < m_lower ? m_lower : ( value > m_upper ? m_upper : value );
setText( getVisibleText( m_value ) );
}
void
KoUnitDoubleLineEdit::setUnit( KoUnit::Unit unit )
{
KoUnit::Unit old = m_unit;
m_unit = unit;
m_lower = KoUnit::ptToUnit( m_lowerInPoints, unit );
m_upper = KoUnit::ptToUnit( m_upperInPoints, unit );
changeValue( KoUnit::ptToUnit( KoUnit::fromUserValue( m_value, old ), unit ) );
}
bool
KoUnitDoubleLineEdit::eventFilter( QObject* o, QEvent* ev )
{
#if 0
if( ev->type() == QEvent::FocusOut || ev->type() == QEvent::Leave || ev->type() == QEvent::Hide )
{
bool ok;
double value = toDouble( text(), &ok );
changeValue( value );
return false;
}
else
#endif
return QLineEdit::eventFilter( o, ev );
}
double KoUnitDoubleLineEdit::value( void ) const
{
return KoUnit::fromUserValue( m_value, m_unit );
}
// ----------------------------------------------------------------
KoUnitDoubleComboBox::KoUnitDoubleComboBox( QWidget *parent, const char *name )
: KComboBox( true, parent, name ), KoUnitDoubleBase( KoUnit::U_PT, 2 ), m_value( 0.0 ), m_lower( 0.0 ), m_upper( 9999.99 ), m_lowerInPoints( 0.0 ), m_upperInPoints( 9999.99 )
{
lineEdit()->setAlignment( Qt::AlignRight );
m_validator = new KoUnitDoubleValidator( this, this );
lineEdit()->setValidator( m_validator );
setUnit( KoUnit::U_PT );
changeValue( KoUnit::ptToUnit( 0.0, KoUnit::U_PT ) );
connect( this, SIGNAL( activated( int ) ), this, SLOT( slotActivated( int ) ) );
}
KoUnitDoubleComboBox::KoUnitDoubleComboBox( QWidget *parent, double lower, double upper, double value, KoUnit::Unit unit,
unsigned int precision, const char *name )
: KComboBox( true, parent, name ), KoUnitDoubleBase( unit, precision ), m_value( value ), m_lower( lower ), m_upper( upper ),
m_lowerInPoints( lower ), m_upperInPoints( upper )
{
lineEdit()->setAlignment( Qt::AlignRight );
m_validator = new KoUnitDoubleValidator( this, this );
lineEdit()->setValidator( m_validator );
setUnit( unit );
changeValue( KoUnit::ptToUnit( value, unit ) );
connect( this, SIGNAL( activated( int ) ), this, SLOT( slotActivated( int ) ) );
}
void
KoUnitDoubleComboBox::changeValue( double value )
{
QString oldLabel = lineEdit()->text();
updateValue( value );
if( lineEdit()->text() != oldLabel )
emit valueChanged( m_value );
}
void
KoUnitDoubleComboBox::updateValue( double value )
{
m_value = value < m_lower ? m_lower : ( value > m_upper ? m_upper : value );
lineEdit()->setText( getVisibleText( m_value ) );
}
void
KoUnitDoubleComboBox::insertItem( double value, int index )
{
KComboBox::insertItem( getVisibleText( value ), index );
}
void
KoUnitDoubleComboBox::slotActivated( int index )
{
double oldvalue = m_value;
bool ok;
double value = toDouble( text( index ), &ok );
m_value = value < m_lower ? m_lower : ( value > m_upper ? m_upper : value );
if( m_value != oldvalue )
emit valueChanged( m_value );
}
void
KoUnitDoubleComboBox::setUnit( KoUnit::Unit unit )
{
KoUnit::Unit old = m_unit;
m_unit = unit;
m_lower = KoUnit::ptToUnit( m_lowerInPoints, unit );
m_upper = KoUnit::ptToUnit( m_upperInPoints, unit );
changeValue( KoUnit::ptToUnit( KoUnit::fromUserValue( m_value, old ), unit ) );
}
bool
KoUnitDoubleComboBox::eventFilter( QObject* o, QEvent* ev )
{
#if 0
if( ev->type() == QEvent::FocusOut || ev->type() == QEvent::Leave || ev->type() == QEvent::Hide )
{
bool ok;
double value = toDouble( lineEdit()->text(), &ok );
changeValue( value );
return false;
}
else
#endif
return QComboBox::eventFilter( o, ev );
}
double KoUnitDoubleComboBox::value( void ) const
{
return KoUnit::fromUserValue( m_value, m_unit );
}
// ----------------------------------------------------------------
KoUnitDoubleSpinComboBox::KoUnitDoubleSpinComboBox( QWidget *parent, const char *name )
: QWidget( parent ), m_step( 1.0 )
{
QGridLayout *layout = new QGridLayout( this, 2, 3 );
//layout->setMargin( 2 );
QPushButton *up = new QPushButton( "+", this );
//up->setFlat( true );
up->setMaximumHeight( 15 );
up->setMaximumWidth( 15 );
layout->addWidget( up, 0, 0 );
connect( up, SIGNAL( clicked() ), this, SLOT( slotUpClicked() ) );
QPushButton *down = new QPushButton( "-", this );
down->setMaximumHeight( 15 );
down->setMaximumWidth( 15 );
layout->addWidget( down, 1, 0 );
connect( down, SIGNAL( clicked() ), this, SLOT( slotDownClicked() ) );
m_combo = new KoUnitDoubleComboBox( this, KoUnit::ptToUnit( 0.0, KoUnit::U_PT ), KoUnit::ptToUnit( 9999.99, KoUnit::U_PT ), 0.0, KoUnit::U_PT, 2, name );
connect( m_combo, SIGNAL( valueChanged( double ) ), this, SIGNAL( valueChanged( double ) ) );
layout->addMultiCellWidget( m_combo, 0, 1, 2, 2 );
}
KoUnitDoubleSpinComboBox::KoUnitDoubleSpinComboBox( QWidget *parent, double lower, double upper, double step, double value,
KoUnit::Unit unit, unsigned int precision, const char *name )
: QWidget( parent ), m_step( step )//, m_lowerInPoints( lower ), m_upperInPoints( upper )
{
QGridLayout *layout = new QGridLayout( this, 2, 3 );
//layout->setMargin( 2 );
QPushButton *up = new QPushButton( "+", this );
//up->setFlat( true );
up->setMaximumHeight( 15 );
up->setMaximumWidth( 15 );
layout->addWidget( up, 0, 0 );
connect( up, SIGNAL( clicked() ), this, SLOT( slotUpClicked() ) );
QPushButton *down = new QPushButton( "-", this );
down->setMaximumHeight( 15 );
down->setMaximumWidth( 15 );
layout->addWidget( down, 1, 0 );
connect( down, SIGNAL( clicked() ), this, SLOT( slotDownClicked() ) );
m_combo = new KoUnitDoubleComboBox( this, KoUnit::ptToUnit( lower, unit ), KoUnit::ptToUnit( upper, unit ), value, unit, precision, name );
connect( m_combo, SIGNAL( valueChanged( double ) ), this, SIGNAL( valueChanged( double ) ) );
layout->addMultiCellWidget( m_combo, 0, 1, 2, 2 );
}
void
KoUnitDoubleSpinComboBox::slotUpClicked()
{
m_combo->changeValue( m_combo->value() + m_step );
}
void
KoUnitDoubleSpinComboBox::slotDownClicked()
{
m_combo->changeValue( m_combo->value() - m_step );
}
void
KoUnitDoubleSpinComboBox::insertItem( double value, int index )
{
m_combo->insertItem( value, index );
}
void
KoUnitDoubleSpinComboBox::updateValue( double value )
{
m_combo->updateValue( value );
}
double
KoUnitDoubleSpinComboBox::value() const
{
return m_combo->value();
}