82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
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#ifndef IARU_REGIONS_HPP__
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#define IARU_REGIONS_HPP__
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#include <QAbstractListModel>
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#include "qt_helpers.hpp"
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class QString;
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class QVariant;
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class QModelIndex;
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//
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// Class IARURegions - Qt model that implements the list of IARU regions
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//
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//
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// Responsibilities
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//
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// Provides a single column list model that contains the human
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// readable string version of the data region in the display
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// role. Also provided is a translatable column header string and
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// tool tip string.
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//
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//
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// Collaborations
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//
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// Implements a concrete sub-class of the QAbstractListModel class.
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//
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class IARURegions final
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: public QAbstractListModel
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{
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Q_OBJECT
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Q_ENUMS (Region)
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public:
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//
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// This enumeration contains the supported regions, to complement
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// this an array of human readable strings in the implementation
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// (IARURegions.cpp) must be maintained in parallel.
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//
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enum Region
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{
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ALL, // matches with all regions
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R1,
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R2,
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R3,
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SENTINAL // this must be last
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};
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Q_ENUM (Region)
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explicit IARURegions (QObject * parent = nullptr);
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// translate between enumeration and human readable strings
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static char const * name (Region);
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static Region value (QString const&);
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// Implement the QAbstractListModel interface
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int rowCount (QModelIndex const& parent = QModelIndex {}) const override
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{
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return parent.isValid () ? 0 : SENTINAL; // Number of regionss in Region enumeration class
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}
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QVariant data (QModelIndex const&, int role = Qt::DisplayRole) const override;
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QVariant headerData (int section, Qt::Orientation, int = Qt::DisplayRole) const override;
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};
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// Qt boilerplate to make the IARURegions::region enumeration a type
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// that can be streamed and queued as a signal argument as well as
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// showing the human readable string when output to debug streams.
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#if QT_VERSION < 0x050500
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// Qt 5.5 introduces the Q_ENUM macro which automatically registers
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// the meta-type
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Q_DECLARE_METATYPE (IARURegions::Region);
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#endif
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#if !defined (QT_NO_DEBUG_STREAM)
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ENUM_QDEBUG_OPS_DECL (IARURegions, Region);
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#endif
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ENUM_QDATASTREAM_OPS_DECL (IARURegions, Region);
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ENUM_CONVERSION_OPS_DECL (IARURegions, Region);
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#endif
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