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45b12e6028
Re-enabling the WSJT-X i18n facilities. This allows translation files to be created for languages that are automatically used to lookup translatable strings. To enable a new language the language name must be added to the CMakeLists.txt LANGUAGES list variable in BCP47 format (i.e. en_US, en_GB, pt_PT, ...). Do one build with the CMake option UPDATE_TRANSLATIONS enabled (do not leave it enabled as there is a danger of loosing existing translated texts), that will create a fresh translations/wsjtx_<lang>.ts file which should be immediately checked in with the CMakeLists.txt change. The .ts should then be updated by the translator using the Qt Linguist tool to add translations. Check in the updated .ts file to complete the initial translation process for that language. To aid translators their WIP .ts file may be tested by releasing (using the lrelease tool or from the Linguist menu) a .qm file and placing that .qm file in the current directory before starting WSJT-X. The translations will be used if the system locale matches the file name. If the system locale does not match the file name; the language may be overridden by setting the LANG environment variable. For example if a wsjtx_pt_PT.qm file is in the current directory WSJT-X will use it for translation lookups, regardless of the current system locale setting, if the LANG variable is set to pt_PT or pt-PT. On MS Windows from a command prompt: set LANG=pt_PT C:\WSJT\wsjtx\bin\wsjtx elsewhere: LANG=pt_PT wsjtx
86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
#ifndef BANDS_HPP__
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#define BANDS_HPP__
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#include <QAbstractTableModel>
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#include "Radio.hpp"
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//
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// Class Bands
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//
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// Encapsulates information about amateur radio bands as defined by
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// the ADIF specification. The model is immutable. The rows are
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// stored in asscending order of frequency.
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//
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// Responsibilities
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//
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// Provides a well known band name mapped to lower and upper
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// frequency limits. Also provides a convenience operation to
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// determine the band name for any given frequency, the result of
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// which may be null if the given frequency doesn't lie within a
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// recognised band.
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//
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// Collaborations
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//
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// Implements the QAbstractTableModel interface as an immutable table
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// where rows are bands and columns are band name, lower frequency
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// limit and, upper ferquency limit respectively.
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//
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class Bands final
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: public QAbstractTableModel
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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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// an iterator that meets the requirements of the C++ for range statement
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class const_iterator
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{
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public:
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const_iterator (int row)
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: row_ {row}
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{
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}
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QString operator * ();
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bool operator != (const_iterator const&) const;
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const_iterator& operator ++ ();
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private:
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int row_;
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};
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explicit Bands (QObject * parent = nullptr);
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//
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// Model API
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//
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QString find (Frequency) const; // find band Frequency is in
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int find (QString const&) const; // find row of band (-1 if not valid)
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static QString const& oob ();
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// Iterators
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const_iterator begin () const;
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const_iterator end () const;
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// Custom role for sorting.
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static int constexpr SortRole = Qt::UserRole;
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// Implement the QAbstractTableModel interface
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int rowCount (QModelIndex const& parent = QModelIndex {}) const override;
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int columnCount (QModelIndex const& parent = QModelIndex {}) const override;
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Qt::ItemFlags flags (QModelIndex const& = QModelIndex {}) const override;
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QVariant headerData (int section, Qt::Orientation, int = Qt::DisplayRole) const override;
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// The value return for the Qt::DisplayRole role for the root of the
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// model (invalid index) is a special string representing out of
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// band.
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//
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// All columns return a number for the custom role SortRole, this
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// number defines a strict frequency order for the rows.
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QVariant data (QModelIndex const&, int role = Qt::DisplayRole) const override;
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};
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#endif
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