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255 lines
7.4 KiB
255 lines
7.4 KiB
// -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4; -*-
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/* This file is part of the KDE project
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Copyright (C) 2005 Thorsten Zachmann <zachmann@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "KPrGeneralProperty.h"
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#include <qcheckbox.h>
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#include <qgroupbox.h>
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#include <qlabel.h>
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#include <qlayout.h>
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#include <qlineedit.h>
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#include <knuminput.h>
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#include <klocale.h>
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#include <KoUnitWidgets.h>
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#include <KoGeneralPropertyUi.h>
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KPrGeneralProperty::KPrGeneralProperty( QWidget *parent, const char *name, GeneralValue &generalValue, KoUnit::Unit unit )
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: QWidget( parent, name )
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, m_ratio( 1.0 )
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, m_generalValue( generalValue )
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, m_unit( unit )
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{
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QVBoxLayout *layout = new QVBoxLayout( this );
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layout->addWidget( m_ui = new KoGeneralPropertyUI( this ) );
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QSpacerItem* spacer = new QSpacerItem( 20, 20, QSizePolicy::Minimum, QSizePolicy::Expanding );
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layout->addItem( spacer );
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if ( m_generalValue.m_name.isNull() )
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{
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m_ui->nameLabel->setEnabled( false );
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m_ui->nameInput->setEnabled( false );
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}
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else
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{
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m_ui->nameInput->setText( m_generalValue.m_name );
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}
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m_ui->positionGroup->setTitle( i18n( "Position" ) );
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connect( m_ui->protect, SIGNAL( toggled( bool ) ), this, SLOT( slotProtectToggled( bool ) ) );
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connect( m_ui->keepRatio, SIGNAL( toggled( bool ) ), this, SLOT( slotKeepRatioToggled( bool ) ) );
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double dStep = KoUnit::fromUserValue( 0.5, m_unit );
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double dMax = KoUnit::fromUserValue( 9999, m_unit );
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m_ui->xInput->setUnit( m_unit );
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m_ui->xInput->setMinMaxStep( 0, dMax, dStep );
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m_ui->yInput->setUnit( m_unit );
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m_ui->yInput->setMinMaxStep( 0, dMax, dStep );
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m_ui->widthInput->setUnit( m_unit );
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m_ui->widthInput->setMinMaxStep( 0, dMax, dStep );
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connect( m_ui->widthInput, SIGNAL( valueChanged( double ) ), this, SLOT( slotWidthChanged( double ) ) );
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m_ui->heightInput->setUnit( m_unit );
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m_ui->heightInput->setMinMaxStep( 0, dMax, dStep );
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connect( m_ui->heightInput, SIGNAL( valueChanged( double ) ), this, SLOT( slotHeightChanged( double ) ) );
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slotReset();
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}
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KPrGeneralProperty::~KPrGeneralProperty()
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{
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}
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int KPrGeneralProperty::getGeneralPropertyChange() const
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{
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int flags = 0;
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if ( !m_generalValue.m_name.isNull() && m_generalValue.m_name != m_ui->nameInput->text() )
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flags |= Name;
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if ( m_ui->protect->state() != QButton::NoChange )
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{
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if ( ( m_ui->protect->isOn() ? STATE_ON : STATE_OFF ) != m_generalValue.m_protect )
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flags |= Protect;
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if ( !m_ui->protect->isOn() )
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{
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KoRect rect = getRect();
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if ( m_generalValue.m_rect.left() != rect.left() )
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flags |= Left;
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if ( m_generalValue.m_rect.top() != rect.top() )
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flags |= Top;
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// this has to be done as the rect cahnges width/hight if left or top is changed
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if ( QABS( m_generalValue.m_rect.width() - rect.width() ) > 1e-6 )
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flags |= Width;
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if ( QABS( m_generalValue.m_rect.height() - rect.height() ) > 1e-6 )
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flags |= Height;
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}
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}
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if ( m_ui->keepRatio->state() != QButton::NoChange
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&& ( m_ui->keepRatio->isOn() ? STATE_ON : STATE_OFF ) != m_generalValue.m_keepRatio )
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{
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flags |= KeepRatio;
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}
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return flags;
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}
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KPrGeneralProperty::GeneralValue KPrGeneralProperty::getGeneralValue() const
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{
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GeneralValue generalValue;
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generalValue.m_name = m_ui->nameInput->isEnabled() ? m_ui->nameInput->text() : QString();
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generalValue.m_protect = m_ui->protect->isOn() ? STATE_ON : STATE_OFF;
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generalValue.m_keepRatio = m_ui->keepRatio->isOn() ? STATE_ON : STATE_OFF;
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generalValue.m_rect = getRect();
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return generalValue;
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}
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void KPrGeneralProperty::apply()
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{
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int flags = getGeneralPropertyChange();
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if ( flags & Name )
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m_generalValue.m_name = m_ui->nameInput->text();
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if ( flags & Protect )
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m_generalValue.m_protect = m_ui->protect->isOn() ? STATE_ON : STATE_OFF;
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if ( flags & KeepRatio )
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m_generalValue.m_keepRatio = m_ui->keepRatio->isOn() ? STATE_ON : STATE_OFF;
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// get the values to the actual rect
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m_generalValue.m_rect = getRect();
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}
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KoRect KPrGeneralProperty::getRect() const
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{
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double x = QMAX( 0, m_ui->xInput->value() );
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double y = QMAX( 0, m_ui->yInput->value() );
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double w = QMAX( 0, m_ui->widthInput->value() );
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double h = QMAX( 0, m_ui->heightInput->value() );
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KoRect rect( x, y, w, h );
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return rect;
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}
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void KPrGeneralProperty::setRect( KoRect &rect )
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{
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m_ui->xInput->changeValue( QMAX( 0.00, rect.left() ) );
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m_ui->yInput->changeValue( QMAX( 0.00, rect.top() ) );
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m_ui->widthInput->changeValue( QMAX( 0.00, rect.width() ) );
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m_ui->heightInput->changeValue( QMAX( 0.00, rect.height() ) );
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}
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void KPrGeneralProperty::slotReset()
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{
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switch ( m_generalValue.m_protect )
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{
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case STATE_ON:
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m_ui->protect->setChecked( true );
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break;
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case STATE_OFF:
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m_ui->protect->setChecked( false );
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break;
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case STATE_UNDEF:
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m_ui->protect->setTristate( true );
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m_ui->protect->setNoChange();
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break;
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default:
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m_ui->protect->setChecked( false );
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break;
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}
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switch ( m_generalValue.m_keepRatio )
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{
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case STATE_ON:
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m_ui->keepRatio->setChecked( true );
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break;
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case STATE_OFF:
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m_ui->keepRatio->setChecked( false );
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break;
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case STATE_UNDEF:
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m_ui->keepRatio->setTristate( true );
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m_ui->keepRatio->setNoChange();
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break;
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default:
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m_ui->keepRatio->setChecked( false );
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break;
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}
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setRect( m_generalValue.m_rect );
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// this is done due to the rounding so we can detect a change
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m_generalValue.m_rect = getRect();
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}
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void KPrGeneralProperty::slotProtectToggled( bool state )
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{
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m_ui->positionGroup->setEnabled( !state );
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}
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void KPrGeneralProperty::slotKeepRatioToggled( bool state )
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{
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if ( state )
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{
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if ( m_ui->widthInput->value() == 0 )
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{
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m_ratio = 1.0;
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}
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else
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{
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m_ratio = m_ui->heightInput->value() / m_ui->widthInput->value();
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}
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}
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}
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void KPrGeneralProperty::slotWidthChanged( double value )
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{
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if ( m_ui->keepRatio->isChecked() )
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{
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m_ui->heightInput->setValue( value * m_ratio );
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}
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}
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void KPrGeneralProperty::slotHeightChanged( double value )
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{
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if ( m_ui->keepRatio->isChecked() && m_ratio != 0 )
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{
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m_ui->widthInput->setValue( value / m_ratio );
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}
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}
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#include "KPrGeneralProperty.moc"
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