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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 "adwaitadialdata.h"
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#include <QHoverEvent>
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#include <QDial>
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namespace Adwaita
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{
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//______________________________________________
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DialData::DialData( QObject* parent, QWidget* target, int duration ):
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WidgetStateData( parent, target, duration ),
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_position( -1, -1 )
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{ target->installEventFilter( this ); }
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//______________________________________________
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bool DialData::eventFilter( QObject* object, QEvent* event )
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{
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if( object != target().data() )
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{ return WidgetStateData::eventFilter( object, event ); }
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// check event type
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switch( event->type() )
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{
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case QEvent::HoverEnter:
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case QEvent::HoverMove:
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hoverMoveEvent( object, event );
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break;
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case QEvent::HoverLeave:
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hoverLeaveEvent( object, event );
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break;
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default: break;
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}
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return WidgetStateData::eventFilter( object, event );
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}
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//______________________________________________
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void DialData::hoverMoveEvent( QObject* object, QEvent* event )
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{
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// try cast object to dial
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QDial* scrollBar( qobject_cast<QDial*>( object ) );
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if( !scrollBar || scrollBar->isSliderDown() ) return;
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// cast event
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QHoverEvent *hoverEvent = static_cast<QHoverEvent*>(event);
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// store position
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_position = hoverEvent->pos();
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// trigger animation if position match handle rect
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updateState( _handleRect.contains( _position ) );
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}
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//______________________________________________
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void DialData::hoverLeaveEvent( QObject*, QEvent* )
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{
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// reset hover state
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updateState( false );
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// reset mouse position
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_position = QPoint( -1, -1 );
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}
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}
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