WSJT-X/IARURegions.hpp

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#ifndef IARU_REGIONS_HPP__
#define IARU_REGIONS_HPP__
#include <QAbstractListModel>
#include "qt_helpers.hpp"
class QString;
class QVariant;
class QModelIndex;
//
// Class IARURegions - Qt model that implements the list of IARU regions
//
//
// Responsibilities
//
// Provides a single column list model that contains the human
// readable string version of the data region in the display
// role. Also provided is a translatable column header string and
// tool tip string.
//
//
// Collaborations
//
// Implements a concrete sub-class of the QAbstractListModel class.
//
class IARURegions final
: public QAbstractListModel
{
Q_OBJECT
Q_ENUMS (Region)
public:
//
// This enumeration contains the supported regions, to complement
// this an array of human readable strings in the implementation
// (IARURegions.cpp) must be maintained in parallel.
//
enum Region
{
ALL, // matches with all regions
R1,
R2,
R3,
SENTINAL // this must be last
};
Q_ENUM (Region)
explicit IARURegions (QObject * parent = nullptr);
// translate between enumeration and human readable strings
static char const * name (Region);
static Region value (int);
// Implement the QAbstractListModel interface
int rowCount (QModelIndex const& parent = QModelIndex {}) const override
{
return parent.isValid () ? 0 : SENTINAL; // Number of regionss in Region enumeration class
}
QVariant data (QModelIndex const&, int role = Qt::DisplayRole) const override;
QVariant headerData (int section, Qt::Orientation, int = Qt::DisplayRole) const override;
};
// Qt boilerplate to make the IARURegions::region enumeration a type
// that can be streamed and queued as a signal argument as well as
// showing the human readable string when output to debug streams.
#if QT_VERSION < 0x050500
// Qt 5.6 introduces the Q_ENUM macro which automatically registers
// the meta-type
Q_DECLARE_METATYPE (IARURegions::Region);
#endif
#if !defined (QT_NO_DEBUG_STREAM)
ENUM_QDEBUG_OPS_DECL (IARURegions, Region);
#endif
ENUM_QDATASTREAM_OPS_DECL (IARURegions, Region);
ENUM_CONVERSION_OPS_DECL (IARURegions, Region);
#endif