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