86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
/*
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* Copyright 2009 Mehmet Ali Akmanalp <makmanalp@wpi.edu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "fade.h"
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#include <QRect>
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#include <QtGui/QGraphicsOpacityEffect>
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#include <kdebug.h>
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namespace Plasma
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{
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class FadeAnimationPrivate
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{
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public:
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FadeAnimationPrivate()
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{
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}
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~FadeAnimationPrivate()
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{
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}
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QGraphicsOpacityEffect *opacityEffect;
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};
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FadeAnimation::FadeAnimation(qreal factor)
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: d(new FadeAnimationPrivate()),
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m_animFactor(qBound(qreal(0.0), factor, qreal(1.0)))
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{
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}
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FadeAnimation::~FadeAnimation()
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{
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delete d;
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}
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void FadeAnimation::setWidgetToAnimate(QGraphicsWidget *widget)
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{
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QGraphicsWidget *m_widget = widgetToAnimate();
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if (m_widget) {
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QGraphicsEffect *effect = m_widget->graphicsEffect();
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if (effect && dynamic_cast<QGraphicsOpacityEffect *>(effect)) {
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effect->deleteLater();
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}
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}
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Animation::setWidgetToAnimate(widget);
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d->opacityEffect = new QGraphicsOpacityEffect(widget);
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widget->setGraphicsEffect(d->opacityEffect);
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}
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QAbstractAnimation* FadeAnimation::render(QObject* parent)
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{
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//create animation
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QPropertyAnimation* anim = new QPropertyAnimation(d->opacityEffect, "opacity", parent);
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anim->setEndValue(m_animFactor);
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anim->setDuration(duration());
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//QObject::connect(anim, SIGNAL(finished()), anim, SLOT(deleteLater()));
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return anim;
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}
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} //namespace Plasma
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