/
constantrule.h
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/
constantrule.h
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/*
* The Doomsday Engine Project
*
* Copyright (c) 2011-2013 Jaakko Keränen <jaakko.keranen@iki.fi>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBDENG2_CONSTANTRULE_H
#define LIBDENG2_CONSTANTRULE_H
#include "../Rule"
namespace de {
/**
* The value of a constant rule never changes unless manually changed.
* @ingroup widgets
*
* @see ScalarRule
*/
class ConstantRule : public Rule
{
Q_OBJECT
public:
explicit ConstantRule(float constantValue);
/**
* Changes the value of the constant in the rule.
*/
void set(float newValue);
protected:
void update();
private:
float _newValue;
};
} // namespace de
#endif // LIBDENG2_CONSTANTRULE_H