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#ifndef OptionSlider_h
#define OptionSlider_h
/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This 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 software 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, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "CustomSlider.h"
#include "OptionWidget.h"
#include <cmath>
//* QSlider associated to an option for configuration dialogs
class OptionSlider: public CustomSlider, public OptionWidget
{
Q_OBJECT
public:
//* constructor
explicit OptionSlider( QWidget* parent, const QString& optionName ):
CustomSlider( parent ),
OptionWidget( optionName, this )
{}
//* scale (i.e. option = value()/scale)
void setScale( const double& scale )
{ scale_ = scale; }
//* read value from option
void read( const Options& options ) override
{
setValue( static_cast<int>(round(scale_*options.get<double>( optionName() ))));
if( !_connected() )
{
connect( this, SIGNAL(valueChanged(int)), SIGNAL(modified()));
_setConnected();
}
}
//* write value to option
void write( Options& options ) const override
{ options.set<double>( optionName(), static_cast<double>(slider().value())/scale_ ); }
Q_SIGNALS:
//* modified
void modified();
private:
//* scale factor (default is 1)
double scale_ = 1;
};
#endif
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