/*************************************************************************
* 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 . *
*************************************************************************/
#include "adwaitascrollbarengine.h"
#include <QEvent>
namespace Adwaita
{
//____________________________________________________________
bool ScrollBarEngine::registerWidget( QWidget* widget, AnimationModes mode )
{
// check widget
if( !widget ) return false;
// only handle hover and focus
if( mode&AnimationHover && !dataMap(AnimationHover).contains( widget ) ) { dataMap(AnimationHover).insert( widget, new ScrollBarData( this, widget, duration() ), enabled() ); }
if( mode&AnimationFocus && !dataMap(AnimationFocus).contains( widget ) ) { dataMap(AnimationFocus).insert( widget, new WidgetStateData( this, widget, duration() ), enabled() ); }
// connect destruction signal
connect( widget, SIGNAL(destroyed(QObject*)), this, SLOT(unregisterWidget(QObject*)), Qt::UniqueConnection );
return true;
}
//____________________________________________________________
bool ScrollBarEngine::isAnimated( const QObject* object, AnimationMode mode, QStyle::SubControl control )
{
if( mode == AnimationHover )
{
if( DataMap<WidgetStateData>::Value data = this->data( object, AnimationHover ) )
{
const ScrollBarData* scrollBarData( static_cast<const ScrollBarData*>( data.data() ) );
Animation::Pointer animation = scrollBarData->animation( control );
return animation.data()->isRunning();
} else return false;
} else if( control == QStyle::SC_ScrollBarSlider ) {
return WidgetStateEngine::isAnimated( object, mode );
} else return false;
}
//____________________________________________________________
AnimationMode ScrollBarEngine::animationMode( const QObject* object, QStyle::SubControl control )
{
// enable state
if( isAnimated( object, AnimationHover, control ) ) return AnimationHover;
else if( isAnimated( object, AnimationFocus, control ) ) return AnimationFocus;
else if( isAnimated( object, AnimationPressed, control ) ) return AnimationPressed;
else return AnimationNone;
}
//____________________________________________________________
qreal ScrollBarEngine::opacity( const QObject* object, QStyle::SubControl control )
{
if( isAnimated( object, AnimationHover, control ) ) return static_cast<const ScrollBarData*>(data( object, AnimationHover ).data())->opacity( control );
else if( control == QStyle::SC_ScrollBarSlider ) return WidgetStateEngine::buttonOpacity( object );
return AnimationData::OpacityInvalid;
}
}