/*************************************************************************
* Copyright (C) 2014 by Hugo Pereira Da Costa <hugo.pereira@free.fr> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
*************************************************************************/
//////////////////////////////////////////////////////////////////////////////
// adwaitaheaderviewdata.cpp
// data container for QHeaderView animations
// -------------------
//
// Copyright (c) 2009 Hugo Pereira Da Costa <hugo.pereira@free.fr>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//////////////////////////////////////////////////////////////////////////////
#include "adwaitaheaderviewdata.h"
#include <QHoverEvent>
#include <QTextStream>
namespace Adwaita
{
//______________________________________________
HeaderViewData::HeaderViewData( QObject* parent, QWidget* target, int duration ):
AnimationData( parent, target )
{
_current._animation = new Animation( duration, this );
setupAnimation( currentIndexAnimation(), "currentOpacity" );
currentIndexAnimation().data()->setDirection( Animation::Forward );
_previous._animation = new Animation( duration, this );
setupAnimation( previousIndexAnimation(), "previousOpacity" );
previousIndexAnimation().data()->setDirection( Animation::Backward );
}
//______________________________________________
bool HeaderViewData::updateState( const QPoint& position , bool hovered )
{
if( !enabled() ) return false;
const QHeaderView* local( qobject_cast<const QHeaderView*>( target().data() ) );
if( !local ) return false;
int index( local->logicalIndexAt( position ) );
if( index < 0 ) return false;
if( hovered )
{
if( index != currentIndex() )
{
if( currentIndex() >= 0 )
{
setPreviousIndex( currentIndex() );
setCurrentIndex( -1 );
previousIndexAnimation().data()->restart();
}
setCurrentIndex( index );
currentIndexAnimation().data()->restart();
return true;
} else return false;
} else if( index == currentIndex() ) {
setPreviousIndex( currentIndex() );
setCurrentIndex( -1 );
previousIndexAnimation().data()->restart();
return true;
} else return false;
}
//______________________________________________
Animation::Pointer HeaderViewData::animation( const QPoint& position ) const
{
if( !enabled() ) return Animation::Pointer();
const QHeaderView* local( qobject_cast<const QHeaderView*>( target().data() ) );
if( !local ) return Animation::Pointer();
int index( local->logicalIndexAt( position ) );
if( index < 0 ) return Animation::Pointer();
else if( index == currentIndex() ) return currentIndexAnimation();
else if( index == previousIndex() ) return previousIndexAnimation();
else return Animation::Pointer();
}
//______________________________________________
qreal HeaderViewData::opacity( const QPoint& position ) const
{
if( !enabled() ) return OpacityInvalid;
const QHeaderView* local( qobject_cast<const QHeaderView*>( target().data() ) );
if( !local ) return OpacityInvalid;
int index( local->logicalIndexAt( position ) );
if( index < 0 ) return OpacityInvalid;
else if( index == currentIndex() ) return currentOpacity();
else if( index == previousIndex() ) return previousOpacity();
else return OpacityInvalid;
}
//__________________________________________________________
void HeaderViewData::setDirty( void ) const
{
QHeaderView* header = qobject_cast<QHeaderView*>( target().data() );
if( !header ) return;
// get first and last index, sorted
int lastIndex( qMax( previousIndex(), currentIndex() ) );
if( lastIndex < 0 ) return;
int firstIndex( qMin( previousIndex(), currentIndex() ) );
if( firstIndex < 0 ) firstIndex = lastIndex;
// find relevant rectangle to be updated, in viewport coordinate
QWidget* viewport( header->viewport() );
int left = header->sectionViewportPosition( firstIndex );
int right = header->sectionViewportPosition( lastIndex ) + header->sectionSize( lastIndex );
// trigger update
if( header->orientation() == Qt::Horizontal ) viewport->update( left, 0, right-left, header->height() );
else viewport->update( 0, left, header->width(), right-left );
}
}