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/*
* Copyright 2009 Igor Trindade Oliveira <igor.oliveira@indt.org.br>
*
* This program 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, or
* (at your option) any later version.
*
* 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 Library 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.
*/
#include "geometry_p.h"
#include <QRect>
#include <kdebug.h>
namespace Plasma
{
GeometryAnimation::GeometryAnimation(QObject *parent)
: EasingAnimation(parent),
m_startGeometry(-1, -1, -1, -1)
{
}
GeometryAnimation::~GeometryAnimation()
{
}
void GeometryAnimation::setStartGeometry(const QRectF &geometry)
{
m_startGeometry = geometry;
}
QRectF GeometryAnimation::startGeometry() const
{
return m_startGeometry;
}
void GeometryAnimation::setTargetGeometry(const QRectF &geometry)
{
m_targetGeometry = geometry;
}
QRectF GeometryAnimation::targetGeometry() const
{
return m_targetGeometry;
}
void GeometryAnimation::updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState)
{
QGraphicsWidget *w = targetWidget();
if (!w) {
return;
}
if (m_startGeometry == QRectF(-1, -1, -1, -1)) {
m_startGeometry = w->geometry();
}
if (oldState == Stopped && newState == Running) {
w->setGeometry(direction() == Forward ? m_startGeometry : m_targetGeometry);
} else if (newState == Stopped) {
w->setGeometry(direction() == Forward ? m_targetGeometry : m_startGeometry);
}
}
void GeometryAnimation::updateEffectiveTime(int currentTime)
{
QGraphicsWidget *w = targetWidget();
if (w) {
const qreal delta = currentTime / qreal(duration());
QRectF newGeo;
newGeo.moveTopLeft(QPointF(m_startGeometry.left()*(1-delta) + m_targetGeometry.left()*(delta),
m_startGeometry.top()*(1-delta) + m_targetGeometry.top()*(delta)));
if (m_startGeometry.size() != m_targetGeometry.size()) {
newGeo.setSize(QSizeF(m_startGeometry.width()*(1-delta) + m_targetGeometry.width()*(delta),
m_startGeometry.height()*(1-delta) + m_targetGeometry.height()*(delta)));
} else {
newGeo.setSize(m_targetGeometry.size());
}
w->setGeometry(newGeo);
}
}
} //namespace Plasma
#include "geometry_p.moc"
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