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Viewing changes to kstyles/oxygen/animations/oxygenheaderviewdata.h

  • Committer: Bazaar Package Importer
  • Author(s): Michał Zając
  • Date: 2011-07-09 08:31:15 UTC
  • Revision ID: james.westby@ubuntu.com-20110709083115-ohyxn6z93mily9fc
Tags: upstream-4.6.90
Import upstream version 4.6.90

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kstyles/oxygen/animations/oxygenheaderviewdata.h
 
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#ifndef oxygenheaderview_datah
 
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#define oxygenheaderview_datah
 
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//////////////////////////////////////////////////////////////////////////////
 
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// oxygenheaderviewdata.h
 
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// data container for QHeaderView animations
 
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// -------------------
 
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//
 
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// Copyright (c) 2009 Hugo Pereira Da Costa <hugo@oxygen-icons.org>
 
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//
 
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// Permission is hereby granted, free of charge, to any person obtaining a copy
 
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// of this software and associated documentation files (the "Software"), to
 
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// deal in the Software without restriction, including without limitation the
 
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 
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// sell copies of the Software, and to permit persons to whom the Software is
 
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// furnished to do so, subject to the following conditions:
 
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//
 
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// The above copyright notice and this permission notice shall be included in
 
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// all copies or substantial portions of the Software.
 
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//
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 
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// IN THE SOFTWARE.
 
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//////////////////////////////////////////////////////////////////////////////
 
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#include "oxygenanimationdata.h"
 
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#include <QtGui/QHeaderView>
 
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namespace Oxygen
 
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{
 
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    //! headerviews
 
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    class HeaderViewData: public AnimationData
 
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    {
 
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        Q_OBJECT
 
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        //! declare opacity property
 
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        Q_PROPERTY( qreal currentOpacity READ currentOpacity WRITE setCurrentOpacity )
 
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        Q_PROPERTY( qreal previousOpacity READ previousOpacity WRITE setPreviousOpacity )
 
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        public:
 
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        //! constructor
 
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        HeaderViewData( QObject* parent, QWidget* target, int duration );
 
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        //! destructor
 
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        virtual ~HeaderViewData( void )
 
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        {}
 
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        //! duration
 
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        void setDuration( int duration )
 
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        {
 
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            currentIndexAnimation().data()->setDuration( duration );
 
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            previousIndexAnimation().data()->setDuration( duration );
 
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        }
 
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        //! update state
 
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        bool updateState( const QPoint&, bool );
 
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        //!@name current index handling
 
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        //@{
 
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        //! current opacity
 
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        virtual qreal currentOpacity( void ) const
 
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        { return _current._opacity; }
 
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        //! current opacity
 
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        virtual void setCurrentOpacity( qreal value )
 
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        {
 
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            value = digitize( value );
 
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            if( _current._opacity == value ) return;
 
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            _current._opacity = value;
 
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            setDirty();
 
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        }
 
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        //! current index
 
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        virtual int currentIndex( void ) const
 
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        { return _current._index; }
 
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        //! current index
 
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        virtual void setCurrentIndex( int index )
 
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        { _current._index = index; }
 
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        //! current index animation
 
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        virtual const Animation::Pointer& currentIndexAnimation( void ) const
 
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        { return _current._animation; }
 
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        //@}
 
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        //!@name previous index handling
 
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        //@{
 
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        //! previous opacity
 
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        virtual qreal previousOpacity( void ) const
 
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        { return _previous._opacity; }
 
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        //! previous opacity
 
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        virtual void setPreviousOpacity( qreal value )
 
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        {
 
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            value = digitize( value );
 
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            if( _previous._opacity == value ) return;
 
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            _previous._opacity = value;
 
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            setDirty();
 
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        }
 
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        //! previous index
 
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        virtual int previousIndex( void ) const
 
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        { return _previous._index; }
 
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        //! previous index
 
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        virtual void setPreviousIndex( int index )
 
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        { _previous._index = index; }
 
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        //! previous index Animation
 
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        virtual const Animation::Pointer& previousIndexAnimation( void ) const
 
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        { return _previous._animation; }
 
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        //@}
 
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        //! return Animation associated to action at given position, if any
 
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        virtual Animation::Pointer animation( const QPoint& position ) const;
 
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        //! return opacity associated to action at given position, if any
 
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        virtual qreal opacity( const QPoint& position ) const;
 
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        protected:
 
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        //! dirty
 
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        inline virtual void setDirty( void ) const;
 
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        private:
 
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        //! container for needed animation data
 
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        class Data
 
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        {
 
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            public:
 
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            //! default constructor
 
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            Data( void ):
 
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                _opacity(0),
 
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                _index(-1)
 
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            {}
 
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            Animation::Pointer _animation;
 
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            qreal _opacity;
 
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            int _index;
 
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        };
 
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        //! current tab animation data (for hover enter animations)
 
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        Data _current;
 
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        //! previous tab animations data (for hover leave animations)
 
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        Data _previous;
 
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    };
 
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    //__________________________________________________________
 
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    void HeaderViewData::setDirty( void ) const
 
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    {
 
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        if( QHeaderView* header = qobject_cast<QHeaderView*>( target().data() ) )
 
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        {
 
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            const int firstIndex( qMin( previousIndex(), currentIndex() ) );
 
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            const int lastIndex( qMax( previousIndex(), currentIndex() ) );
 
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            if( firstIndex >= 0 ) header->headerDataChanged( header->orientation(), firstIndex, lastIndex );
 
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            else if( lastIndex >= 0 ) header->headerDataChanged( header->orientation(), lastIndex, lastIndex );
 
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        }
 
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    }
 
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}
 
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#endif