/* * Copyright 2009 Igor Trindade Oliveira * * 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 #include 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"