SettingRangePolicy.hh

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#ifndef SETTINGRANGEPOLICY_HH
#define SETTINGRANGEPOLICY_HH

#include "SettingPolicy.hh"
#include "TclObject.hh"
#include <algorithm>

namespace openmsx {

template <typename T> class SettingRangePolicy : public SettingPolicy<T>
{
protected:
        SettingRangePolicy(T minValue_, T maxValue_)
                : minValue(minValue_), maxValue(maxValue_)
        {
        }

        void checkSetValue(T& value)
        {
                value = std::min(std::max(value, minValue), maxValue);
        }

        T getMinValue() const { return minValue; }
        T getMaxValue() const { return maxValue; }

        void additionalInfo(TclObject& result) const
        {
                TclObject range(result.getInterpreter());
                range.addListElement(getMinValue());
                range.addListElement(getMaxValue());
                result.addListElement(range);
        }

private:
        const T minValue;
        const T maxValue;
};

} // namespace openmsx

#endif