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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.
*/
/**
* @file This file contains the definition for the Grow effect.
*/
#ifndef PLASMA_ANIMATIONS_GROW_P_H
#define PLASMA_ANIMATIONS_GROW_P_H
#include <plasma/animations/easinganimation_p.h>
#include <plasma/plasma_export.h>
namespace Plasma
{
/**
* @class GrowAnimation plasma/animations/grow.h
* @short Grow effect
*
* Effect that grows any QGraphicsWidget by a multiple given in the
* constructor. The center of the object stays in place while the sides grow
* (it does the animation by changing the objects geometry). Also see
* \ref ZoomAnimation.
*/
class GrowAnimation : public EasingAnimation
{
Q_OBJECT
Q_PROPERTY(qreal factor READ factor WRITE setFactor)
public:
/** Default Constructor
* @param parent Animation object parent.
* @param factor Expand factor (default is twice the size of
* animated widget).
*/
explicit GrowAnimation(QObject *parent = 0, qreal factor = 2);
/** Destructor */
virtual ~GrowAnimation(){};
/**
* Access expansion factor of the shadow pulsable copy.
*
* If not set, the default is twice (2x) the size of animated widget.
* See \ref setFactor.
* @return Expansion factor.
*/
qreal factor() const;
/**
* Set expansion factor of target widget.
*
* If not set, the default is twice (2x) the size of animated widget.
* @param factor A expansion factor
*/
void setFactor(const qreal factor);
protected:
void updateEffectiveTime(int currentTime);
void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState);
private:
/** Animation grow factor */
qreal m_animFactor;
/** Widget start geometry */
QRectF m_startGeometry;
/** Widget final geometry */
QRectF m_targetGeometry;
};
}
#endif // PLASMA_ANIMATIONS_GROW_P_H
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