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#ifndef adwaita_animationdata_h
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#define adwaita_animationdata_h
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/*************************************************************************
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* Copyright (C) 2014 by Hugo Pereira Da Costa <hugo.pereira@free.fr> *
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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 General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, 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 General Public License *
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* 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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#include "adwaitaanimation.h"
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#include <QEvent>
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#include <QObject>
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#include <QWidget>
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#include <cmath>
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namespace Adwaita
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{
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//* base class
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class AnimationData: public QObject
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{
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Q_OBJECT
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public:
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//* constructor
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AnimationData( QObject* parent, QWidget* target ):
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QObject( parent ),
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_target( target ),
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_enabled( true )
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{ Q_ASSERT( _target ); }
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//* destructor
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virtual ~AnimationData( void )
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{}
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//* duration
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virtual void setDuration( int ) = 0;
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//* steps
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static void setSteps( int value )
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{ _steps = value; }
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//* enability
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virtual bool enabled( void ) const
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{ return _enabled; }
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//* enability
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virtual void setEnabled( bool value )
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{ _enabled = value; }
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//* target
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const WeakPointer<QWidget>& target( void ) const
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{ return _target; }
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//* invalid opacity
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static const qreal OpacityInvalid;
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protected:
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//* setup animation
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virtual void setupAnimation( const Animation::Pointer& animation, const QByteArray& property );
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//* apply step
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virtual qreal digitize( const qreal& value ) const
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{
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if( _steps > 0 ) return std::floor( value*_steps )/_steps;
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else return value;
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}
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//* trigger target update
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virtual void setDirty( void ) const
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{ if( _target ) _target.data()->update(); }
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private:
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//* guarded target
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WeakPointer<QWidget> _target;
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//* enability
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bool _enabled;
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//* steps
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static int _steps;
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};
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}
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#endif
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