plasma-framework/animations/expand.cpp

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/*
* Copyright 2009 Mehmet Ali Akmanalp <makmanalp@wpi.edu>
*
* 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 "expand.h"
#include <QRect>
#include <kdebug.h>
namespace Plasma
{
ExpandAnimation::ExpandAnimation(AnimationDirection direction, qreal distance)
{
setDirection(direction);
setDistance(distance);
}
QAbstractAnimation* ExpandAnimation::render(QObject* parent){
//get current geometry values
QGraphicsWidget *m_object = widgetToAnimate();
QRectF geometry = m_object->geometry();
//compute new geometry values
switch (direction()) {
case MoveUp:
geometry.setTop(geometry.y() - distance());
break;
case MoveRight:
geometry.setRight(geometry.x() + geometry.width() - 1 + distance());
break;
case MoveDown:
geometry.setBottom(geometry.y() + geometry.height() - 1 + distance());
break;
case MoveLeft:
geometry.setLeft(geometry.x() - distance());
break;
case MoveUpRight:
case MoveDownRight:
case MoveDownLeft:
case MoveUpLeft:
break;
}
//create animation
QPropertyAnimation* anim = new QPropertyAnimation(m_object, "geometry", parent);
anim->setEndValue(geometry);
anim->setDuration(duration());
//QObject::connect(anim, SIGNAL(finished()), anim, SLOT(deleteLater()));
return anim;
}
} //namespace Plasma