plasma-framework/animations/slide.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 "slide_p.h"
#include <QPointF>
#include <kdebug.h>
namespace Plasma
{
SlideAnimation::SlideAnimation(AnimationDirection direction, qreal distance)
{
setDirection(direction);
setDistance(distance);
setVisible(true);
}
QAbstractAnimation* SlideAnimation::render(QObject* parent)
{
bool dirty = false;
QGraphicsWidget *m_object = widgetToAnimate();
qreal x = m_object->x();
qreal y = m_object->y();
qreal newX = x;
qreal newY = y;
kDebug()<<direction();
switch (direction()) {
case MoveUp:
newY -= distance();
break;
case MoveRight:
newX += distance();
break;
case MoveDown:
newY += distance();
break;
case MoveLeft:
newX -= distance();
break;
case MoveUpRight:
newX += distance();
newY -= distance();
break;
case MoveDownRight:
newX += distance();
newY += distance();
break;
case MoveDownLeft:
newX -= distance();
newY += distance();
break;
case MoveUpLeft:
newX -= distance();
newY -= distance();
break;
default:
kDebug()<<"Compound direction is not supported";
return 0;
}
//Recreate only if needed
QPropertyAnimation* anim = dynamic_cast<QPropertyAnimation* >(animation());
if (!anim) {
anim = new QPropertyAnimation(m_object, "pos", parent);
setAnimation(anim);
dirty = true;
}
anim->setEndValue(QPointF(newX, newY));
anim->setDuration(duration());
//QObject::connect(anim, SIGNAL(finished()), anim, SLOT(deleteLater()));
if (dirty) {
if (isVisible()) {
QObject::connect(anim, SIGNAL(finished()), m_object, SLOT(show()));
} else {
QObject::connect(anim, SIGNAL(finished()), m_object, SLOT(hide()));
}
}
return anim;
}
void SlideAnimation::setVisibleAtEnd(bool visibility)
{
setVisible(visibility);
}
} //namespace Plasma