90 lines
2.4 KiB
C++
90 lines
2.4 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 abstract base class for all singular
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* animations.
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*/
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#ifndef PLASMA_ANIMATION_H
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#define PLASMA_ANIMATION_H
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#include <QGraphicsWidget>
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#include <QObject>
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#include <QPropertyAnimation>
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#include <plasma/animations/abstractanimation.h>
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#include <plasma/plasma_export.h>
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namespace Plasma
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{
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class AnimationPrivate;
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/**
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* @brief Abstract representation of a single animation.
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* @since 4.4
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*/
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class PLASMA_EXPORT Animation : public AbstractAnimation
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{
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Q_OBJECT
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Q_PROPERTY(int duration READ duration WRITE setDuration)
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public:
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explicit Animation(QObject* parent = 0);
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virtual ~Animation() = 0;
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/**
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* Take the animation object and turn it into a QPropertyAnimation. Returns
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* NULL on error. This function just does some boilerplate checking and then
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* calls render().
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*/
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QAbstractAnimation* toQAbstractAnimation(QObject* parent = 0);
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protected:
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/**
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* Change the animation duration. Default is 1000ms.
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* @arg duration The new duration of the animation.
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*/
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virtual void setDuration(int duration = 250);
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/**
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* Get the animation duration.
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* @return duration in ms.
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*/
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int duration() const;
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/**
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* Each individual class must override this function to place their main
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* functionality. This function must take the values from the constructor,
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* do the appropriate calculations, and return a corresponding
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* QPropertyAnimation initialized with the given parent.
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*/
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virtual QAbstractAnimation* render(QObject* parent = 0) = 0;
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private:
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AnimationPrivate * const d;
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};
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} //namespace Plasma
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#endif
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