98 lines
2.9 KiB
C++
98 lines
2.9 KiB
C++
/*
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* Copyright 2009 Igor Trindade Oliveira <igor.oliveira@indt.org.br>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/**
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* @file This file contains the definition for the Geometry effect.
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*/
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#ifndef PLASMA_ANIMATIONS_GEOMETRY_P_H
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#define PLASMA_ANIMATIONS_GEOMETRY_P_H
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#include <plasma/animations/easinganimation_p.h>
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#include <plasma/plasma_export.h>
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namespace Plasma
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{
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/**
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* @class GeometryAnimation plasma/animations/geo_p.h
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* @short Geometry Animation
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* Use this class when you want to change the geometry of an QGraphicsWidget
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* in an animated way (you should at least set the target geometry).
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*/
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class GeometryAnimation : public EasingAnimation
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{
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Q_OBJECT
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Q_PROPERTY(QRectF startGeometry READ startGeometry WRITE setStartGeometry)
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Q_PROPERTY(QRectF targetGeometry READ targetGeometry WRITE setTargetGeometry)
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public:
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/** Default constructor */
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explicit GeometryAnimation(QObject *parent = 0);
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/** Destructor */
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virtual ~GeometryAnimation();
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/**
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* Access the initial geometry of animated widget.
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*
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* If no geometry is set, it will use the widget current geometry
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* when the animation is first run).
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* @return Start geometry.
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*/
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QRectF startGeometry() const;
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/**
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* Set the initial geometry of animated widget.
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*
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* If no geometry is set, it will use the widget current geometry
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* when the animation is first run).
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* @arg geometry The initial geometry.
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*/
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void setStartGeometry(const QRectF &geometry);
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/**
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* Access the final geometry of animated widget.
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*
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* \todo: check if it was set and case negative, handle the error.
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* @return Target geometry.
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*/
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QRectF targetGeometry() const;
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/**
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* Set the final geometry of animated widget.
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*
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* See also \ref setStartGeometry.
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* @param geometry Returns the target geometry of animated widget.
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*/
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void setTargetGeometry(const QRectF &geometry);
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protected:
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void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState);
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void updateEffectiveTime(int currentTime);
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private:
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/** Initial geometry */
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QRectF m_startGeometry;
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/** Final geometry */
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QRectF m_targetGeometry;
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};
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} // PLASMA_ANIMATIONS_GEOMETRY_P_H
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#endif
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