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/* This file is part of the KDE project
* Copyright (c) 2009 Jan Hambrecht <jaham@gmx.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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 Lesser 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 "OffsetEffectConfigWidget.h"
#include "OffsetEffect.h"
#include "KoFilterEffect.h"
#include <QSpinBox>
#include <klocalizedstring.h>
#include <QGridLayout>
#include <QLabel>
const qreal OffsetLimit = 100.0;
OffsetEffectConfigWidget::OffsetEffectConfigWidget(QWidget *parent)
: KoFilterEffectConfigWidgetBase(parent), m_effect(0)
{
QGridLayout * g = new QGridLayout(this);
g->addWidget(new QLabel(i18n("dx"), this), 0, 0);
m_offsetX = new QDoubleSpinBox(this);
m_offsetX->setRange(-OffsetLimit, OffsetLimit);
m_offsetX->setSingleStep(1.0);
g->addWidget(m_offsetX, 0, 1);
g->addWidget(new QLabel(i18n("dy"), this), 0, 2);
m_offsetY = new QDoubleSpinBox(this);
m_offsetY->setRange(-OffsetLimit, OffsetLimit);
m_offsetY->setSingleStep(1.0);
g->addWidget(m_offsetY, 0, 3);
setLayout(g);
connect(m_offsetX, SIGNAL(valueChanged(double)), this, SLOT(offsetChanged(double)));
connect(m_offsetY, SIGNAL(valueChanged(double)), this, SLOT(offsetChanged(double)));
}
bool OffsetEffectConfigWidget::editFilterEffect(KoFilterEffect * filterEffect)
{
m_effect = dynamic_cast<OffsetEffect*>(filterEffect);
if (!m_effect)
return false;
m_offsetX->blockSignals(true);
m_offsetY->blockSignals(true);
m_offsetX->setValue(m_effect->offset().x()*100.0);
m_offsetY->setValue(m_effect->offset().y()*100.0);
m_offsetX->blockSignals(false);
m_offsetY->blockSignals(false);
return true;
}
void OffsetEffectConfigWidget::offsetChanged(double /*offset*/)
{
if (!m_effect)
return;
m_effect->setOffset(0.01*QPointF(m_offsetX->value(), m_offsetY->value()));
emit filterChanged();
}
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