WSJT-X/models/Bands.cpp

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#include "Bands.hpp"
#include <algorithm>
#include <QString>
#include <QVariant>
namespace
{
// Table of ADIF band definitions as defined in the ADIF
// specification as at ADIF v3.0.6
struct ADIFBand
{
char const * const name_;
Radio::Frequency lower_bound_;
Radio::Frequency upper_bound_;
} constexpr ADIF_bands[] = {
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{"2190m", 135700u, 137800u},
{"630m", 472000u, 479000u},
{"560m", 501000u, 504000u},
{"160m", 1800000u, 2000000u},
{"80m", 3500000u, 4000000u},
{"60m", 5060000u, 5450000u},
{"40m", 7000000u, 7300000u},
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{"30m", 10100000u, 10150000u},
{"20m", 14000000u, 14350000u},
{"17m", 18068000u, 18168000u},
{"15m", 21000000u, 21450000u},
{"12m", 24890000u, 24990000u},
{"10m", 28000000u, 29700000u},
{"6m", 50000000u, 54000000u},
{"4m", 70000000u, 71000000u},
{"2m", 144000000u, 148000000u},
{"1.25m", 222000000u, 225000000u},
{"70cm", 420000000u, 450000000u},
{"33cm", 902000000u, 928000000u},
{"23cm", 1240000000u, 1300000000u},
{"13cm", 2300000000u, 2450000000u},
{"9cm", 3300000000u, 3500000000u},
{"6cm", 5650000000u, 5925000000u},
{"3cm", 10000000000u, 10500000000u},
{"1.25cm",24000000000u, 24250000000u},
{"6mm", 47000000000u, 47200000000u},
{"4mm", 75500000000u, 81000000000u},
{"2.5mm", 119980000000u,120020000000u},
{"2mm", 142000000000u,149000000000u},
{"1mm", 241000000000u,250000000000u},
};
QString const oob_name {QObject::tr ("OOB")};
int constexpr table_rows ()
{
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return sizeof ADIF_bands / sizeof ADIF_bands[0];
}
}
Preparation for UI i18n 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
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#include "moc_Bands.cpp"
Bands::Bands (QObject * parent)
: QAbstractTableModel {parent}
{
}
QString Bands::find (Frequency f) const
{
QString result;
auto const& end_iter = ADIF_bands + table_rows ();
auto const& row_iter = std::find_if (ADIF_bands, end_iter, [f] (ADIFBand const& band) {
return band.lower_bound_ <= f && f <= band.upper_bound_;
});
if (row_iter != end_iter)
{
result = row_iter->name_;
}
return result;
}
int Bands::find (QString const& band) const
{
int result {-1};
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for (auto i = 0; i < table_rows (); ++i)
{
if (band == ADIF_bands[i].name_)
{
result = i;
}
}
return result;
}
QString const& Bands::oob ()
{
return oob_name;
}
int Bands::rowCount (QModelIndex const& parent) const
{
return parent.isValid () ? 0 : table_rows ();
}
int Bands::columnCount (QModelIndex const& parent) const
{
return parent.isValid () ? 0 : 3;
}
Qt::ItemFlags Bands::flags (QModelIndex const& index) const
{
return QAbstractTableModel::flags (index) | Qt::ItemIsDropEnabled;
}
QVariant Bands::data (QModelIndex const& index, int role) const
{
QVariant item;
if (!index.isValid ())
{
// Hijack root for OOB string.
if (Qt::DisplayRole == role)
{
item = oob_name;
}
}
else
{
auto row = index.row ();
auto column = index.column ();
if (row < table_rows ())
{
switch (role)
{
case Qt::ToolTipRole:
case Qt::AccessibleDescriptionRole:
switch (column)
{
case 0: item = tr ("Band name"); break;
case 1: item = tr ("Lower frequency limit"); break;
case 2: item = tr ("Upper frequency limit"); break;
}
break;
case SortRole:
case Qt::DisplayRole:
case Qt::EditRole:
switch (column)
{
case 0:
if (SortRole == role)
{
// band name sorts by lower bound
item = ADIF_bands[row].lower_bound_;
}
else
{
item = ADIF_bands[row].name_;
}
break;
case 1: item = ADIF_bands[row].lower_bound_; break;
case 2: item = ADIF_bands[row].upper_bound_; break;
}
break;
case Qt::AccessibleTextRole:
switch (column)
{
case 0: item = ADIF_bands[row].name_; break;
case 1: item = ADIF_bands[row].lower_bound_; break;
case 2: item = ADIF_bands[row].upper_bound_; break;
}
break;
case Qt::TextAlignmentRole:
switch (column)
{
case 0:
item = Qt::AlignHCenter + Qt::AlignVCenter;
break;
case 1:
case 2:
item = Qt::AlignRight + Qt::AlignVCenter;
break;
}
break;
}
}
}
return item;
}
QVariant Bands::headerData (int section, Qt::Orientation orientation, int role) const
{
QVariant result;
if (Qt::DisplayRole == role && Qt::Horizontal == orientation)
{
switch (section)
{
case 0: result = tr ("Band"); break;
case 1: result = tr ("Lower Limit"); break;
case 2: result = tr ("Upper Limit"); break;
}
}
else
{
result = QAbstractTableModel::headerData (section, orientation, role);
}
return result;
}
QString Bands::const_iterator::operator * ()
{
return ADIF_bands[row_].name_;
}
bool Bands::const_iterator::operator != (const_iterator const& rhs) const
{
return row_ != rhs.row_;
}
auto Bands::const_iterator::operator ++ () -> const_iterator&
{
++row_;
return *this;
}
auto Bands::begin () const -> Bands::const_iterator
{
return const_iterator (0);
}
auto Bands::end () const -> Bands::const_iterator
{
return const_iterator (table_rows ());
}