mirror of https://github.com/saitohirga/WSJT-X.git
104 lines
2.3 KiB
C++
104 lines
2.3 KiB
C++
#ifndef FREQUENCY_LIST_HPP__
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#define FREQUENCY_LIST_HPP__
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#include "pimpl_h.hpp"
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#include <QList>
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#include <QSortFilterProxyModel>
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#include "Radio.hpp"
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#include "Modes.hpp"
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class Bands;
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//
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// Class FrequencyList
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//
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// Encapsulates a collection of frequencies. The implementation is a
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// table containing the list of Frequency type elements which is
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// editable and a second column which is an immutable double
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// representation of the corresponding Frequency item scaled to
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// mega-Hertz.
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//
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// The list is ordered.
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//
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// Responsibilities
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//
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// Stores internally a list of unique frequencies. Provides methods
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// to add and delete list elements.
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//
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// Collaborations
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//
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// Implements the QSortFilterProxyModel interface for a list of spot
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// frequencies.
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//
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class FrequencyList final
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: public QSortFilterProxyModel
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{
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Q_OBJECT;
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public:
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using Frequency = Radio::Frequency;
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using Mode = Modes::Mode;
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struct Item
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{
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Frequency frequency_;
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Mode mode_;
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};
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using FrequencyItems = QList<Item>;
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enum Column {mode_column, frequency_column, frequency_mhz_column};
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explicit FrequencyList (Bands const *, QObject * parent = nullptr);
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~FrequencyList ();
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// Load and store contents
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FrequencyItems frequency_list (FrequencyItems);
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FrequencyItems const& frequency_list () const;
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// Find nearest best working frequency given a frequency and mode
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QModelIndex best_working_frequency (Frequency, Mode) const;
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// Set filter
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void filter (Mode);
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// Reset
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Q_SLOT void reset_to_defaults ();
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// Model API
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QModelIndex add (Item);
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bool remove (Item);
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bool removeDisjointRows (QModelIndexList);
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// Proxy API
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bool filterAcceptsRow (int source_row, QModelIndex const& parent) const override;
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// Custom roles.
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static int constexpr SortRole = Qt::UserRole;
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private:
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class impl;
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pimpl<impl> m_;
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};
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inline
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bool operator == (FrequencyList::Item const& lhs, FrequencyList::Item const& rhs)
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{
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return
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lhs.frequency_ == rhs.frequency_
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&& lhs.mode_ == rhs.mode_;
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}
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QDataStream& operator << (QDataStream&, FrequencyList::Item const&);
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QDataStream& operator >> (QDataStream&, FrequencyList::Item&);
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#if !defined (QT_NO_DEBUG_STREAM)
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QDebug operator << (QDebug, FrequencyList::Item const&);
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#endif
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Q_DECLARE_METATYPE (FrequencyList::Item);
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Q_DECLARE_METATYPE (FrequencyList::FrequencyItems);
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#endif
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