plasma-framework/animations/rotationstacked_p.h
2010-01-12 09:54:42 +00:00

129 lines
3.9 KiB
C++

/*
Copyright (C) 2009 Igor Trindade Oliveira <igor.oliveira@indt.org.br>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file This file contains the definition for the StackedRotationAnimation.
*/
#ifndef PLASMA_ROTATIONSTACKED_P_H
#define PLASMA_ROTATIONSTACKED_P_H
#include <plasma/animations/animation.h>
#include <plasma/plasma_export.h>
#include <QGraphicsLayoutItem>
class QGraphicsRotation;
class StackedLayout;
namespace Plasma {
/* TODO:
* create a parent class for rotations
*/
/**
* @class RotationStackedAnimation plasma/animations/rotationstacked_p.h
* @short 3D like rotation animation
* Use this class when you want to rotate a widget along an axis (e.g. Y)
* and display a 'hidden' widget behind it. See also \ref RotationAnimation.
*/
class RotationStackedAnimation : public Animation
{
Q_OBJECT
Q_PROPERTY(qint8 movementDirection READ movementDirection WRITE setMovementDirection)
Q_PROPERTY(QGraphicsLayoutItem* layout READ layout)
Q_PROPERTY(qint8 reference READ reference WRITE setReference)
Q_PROPERTY(QGraphicsWidget* backWidget READ backWidget WRITE setBackWidget)
public:
RotationStackedAnimation(QObject *parent = 0);
~RotationStackedAnimation();
/**
* Set the animation direction
* @arg direction animation direction
*/
void setMovementDirection(const qint8 &direction);
/**
* Get the animation direction
*/
qint8 movementDirection() const;
/**
* Set rotation reference (e.g. Center, Up, Down, Left, Right) can
* be combined (i.e. Center|Up)
* @arg reference The reference
*/
void setReference(const qint8 &reference);
/**
* Rotation reference (e.g. Center, Up, Down, Left, Right) can
* be combined (i.e. Center|Up)
*/
qint8 reference() const;
/**
* Get the layout where the widgetToAnimate and backWidget are.
*/
QGraphicsLayoutItem *layout();
/**
* Get the back widget
*/
QGraphicsWidget *backWidget();
/**
* Set the back widget that is used after the animation to be finished
* @arg backWidget The back widget
*/
void setBackWidget(QGraphicsWidget *backWidget);
protected:
void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState);
void updateCurrentTime(int currentTime);
private:
/** Reference, the default is Up (see \ref Animation::Reference) */
qint8 m_reference;
/**
* Animation direction: where the animation will move.
*/
Direction animDirection;
/** Initial rotation angle from front widget */
int frontStartAngle;
/** End value of the rotation angle of the front widget */
int frontEndAngle;
/** Initial rotation angle from back widget */
int backStartAngle;
/** End value of the rotation angle of the back widget */
int backEndAngle;
/** Object the animation(s) should act upon. */
QWeakPointer<QGraphicsWidget> m_backWidget;
/** Back Widget Rotation transform object */
QGraphicsRotation *backRotation;
/** Front Widget Rotation transform object */
QGraphicsRotation *frontRotation;
/** rotation stacked layout where the widget would be added */
StackedLayout *sLayout;
};
} // Plasma
#endif // PLASMA_ROTATIONSTACKED_P_H