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#include "FrequencyDeltaLineEdit.hpp"
#include <limits>
#include <QDoubleValidator>
#include <QString>
#include <QLocale>
#include "moc_FrequencyDeltaLineEdit.cpp"
namespace
{
class MHzValidator
: public QDoubleValidator
{
public:
MHzValidator (double bottom, double top, QObject * parent = nullptr)
: QDoubleValidator {bottom, top, 6, parent}
{
}
State validate (QString& input, int& pos) const override
{
State result = QDoubleValidator::validate (input, pos);
if (Acceptable == result)
{
bool ok;
(void)QLocale {}.toDouble (input, &ok);
if (!ok)
{
result = Intermediate;
}
}
return result;
}
};
}
FrequencyDeltaLineEdit::FrequencyDeltaLineEdit (QWidget * parent)
: QLineEdit (parent)
{
setValidator (new MHzValidator {-std::numeric_limits<FrequencyDelta>::max () / 10.e6,
std::numeric_limits<FrequencyDelta>::max () / 10.e6, this});
}
auto FrequencyDeltaLineEdit::frequency_delta () const -> FrequencyDelta
{
return Radio::frequency_delta (text (), 6);
}
void FrequencyDeltaLineEdit::frequency_delta (FrequencyDelta d)
{
setText (Radio::frequency_MHz_string (d));
}
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