Radio.h

#ifndef RADIO_HPP__
#define RADIO_HPP__
 
#include <QList>
#include <QLocale>
#include <QObject>
 
class QVariant;
class QString;
 
//
// Declarations common to radio software.
//
 
namespace Radio {
//
// Frequency types
//
using Frequency = quint64;
using Frequencies = QList<Frequency>;
using FrequencyDelta = qint64;
 
//
// Qt type registration
//
void register_types();
 
//
// Frequency type conversion.
//
//  QVariant argument is convertible to double and is assumed to
//  be scaled by (10 ** -scale).
//
Frequency frequency(QVariant const &, int scale, bool *ok = nullptr,
                    QLocale const & = QLocale());
FrequencyDelta frequency_delta(QVariant const &, int scale, bool *ok = nullptr,
                               QLocale const & = QLocale());
 
//
// Frequency type formatting
//
QString frequency_MHz_string(Frequency, QLocale const & = QLocale());
QString frequency_MHz_string(FrequencyDelta, QLocale const & = QLocale());
QString pretty_frequency_MHz_string(Frequency, QLocale const & = QLocale());
QString pretty_frequency_MHz_string(double, int scale,
                                    QLocale const & = QLocale());
QString pretty_frequency_MHz_string(FrequencyDelta,
                                    QLocale const & = QLocale());
 
//
// Callsigns
//
bool is_callsign(QString const &);
bool is_compound_callsign(QString const &);
QString base_callsign(QString);
QString effective_prefix(QString);
} // namespace Radio
 
Q_DECLARE_METATYPE(Radio::Frequency);
Q_DECLARE_METATYPE(Radio::Frequencies);
Q_DECLARE_METATYPE(Radio::FrequencyDelta);
 
#endif