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