89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
/*
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* Copyright 2009 Mehmet Ali Akmanalp <makmanalp@wpi.edu>
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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 Grow effect.
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*/
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#ifndef PLASMA_ANIMATIONS_GROW_H
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#define PLASMA_ANIMATIONS_GROW_H
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#include <plasma/animations/animation.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 GrowAnimation plasma/animations/grow.h
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* @short Grow effect
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*
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* Effect that grows any QGraphicsWidget by a multiple given in the
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* constructor. The center of the object stays in place while the sides grow
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* (it does the animation by changing the objects geometry). Also see
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* \ref ZoomAnimation.
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*/
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class GrowAnimation : public Animation
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{
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Q_OBJECT
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Q_PROPERTY(qreal factor READ factor WRITE setFactor)
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public:
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/** Default Constructor
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* @param parent Animation object parent.
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* @param factor Expand factor (default is twice the size of
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* animated widget).
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*/
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GrowAnimation(QObject *parent = 0, qreal factor = 2);
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/** Destructor */
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virtual ~GrowAnimation(){};
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/**
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* Access expansion factor of the shadow pulsable copy.
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*
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* If not set, the default is twice (2x) the size of animated widget.
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* See \ref setFactor.
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* @return Expansion factor.
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*/
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qreal factor() const;
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/**
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* Set expansion factor of target widget.
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*
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* If not set, the default is twice (2x) the size of animated widget.
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* @param factor A expansion factor
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*/
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void setFactor(const qreal factor);
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protected:
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void updateCurrentTime(int currentTime);
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void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState);
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private:
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/** Animation grow factor */
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qreal m_animFactor;
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/** Widget start geometry */
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QRectF m_startGeometry;
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/** Widget final geometry */
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QRectF m_targetGeometry;
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};
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}
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#endif
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