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48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
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#ifndef RADIO_HPP_
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#define RADIO_HPP_
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#include <QObject>
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#include <QLocale>
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#include <QList>
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class QVariant;
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class QString;
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//
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// Declarations common to radio software.
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//
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namespace Radio
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{
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//
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// Frequency types
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//
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using Frequency = quint64;
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using Frequencies = QList<Frequency>;
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using FrequencyDelta = qint64;
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//
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// Frequency type conversion.
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//
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// QVariant argument is convertible to double and is assumed to
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// be scaled by (10 ** -scale).
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//
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Frequency frequency (QVariant const&, int scale);
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FrequencyDelta frequency_delta (QVariant const&, int scale);
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//
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// Frequency type formatting
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//
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QString frequency_MHz_string (Frequency, QLocale const& = QLocale ());
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QString frequency_MHz_string (FrequencyDelta, QLocale const& = QLocale ());
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QString pretty_frequency_MHz_string (Frequency, QLocale const& = QLocale ());
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QString pretty_frequency_MHz_string (double, int scale, QLocale const& = QLocale ());
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QString pretty_frequency_MHz_string (FrequencyDelta, QLocale const& = QLocale ());
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}
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Q_DECLARE_METATYPE (Radio::Frequency);
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Q_DECLARE_METATYPE (Radio::Frequencies);
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Q_DECLARE_METATYPE (Radio::FrequencyDelta);
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#endif
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