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WSJT-X/FrequencyList.cpp
Bill Somerville 8479b6c2b6 Fix some frequency display and l10n issues 
Frequency  display in  the  band  combo box  line  edit was  suffering
floating point precision issues.

Input of frequencies was not honoring current locale rules.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@5881 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2015-09-10 21:03:42 +00:00

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16 KiB
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#include "FrequencyList.hpp"
#include <utility>
#include <QAbstractTableModel>
#include <QString>
#include <QList>
#include <QListIterator>
#include <QVector>
#include <QStringList>
#include <QMimeData>
#include <QDataStream>
#include <QByteArray>
#include "Bands.hpp"
#include "pimpl_impl.hpp"
#include "moc_FrequencyList.cpp"
namespace
{
FrequencyList::FrequencyItems const default_frequency_list =
{
{136000, Modes::WSPR},
{136130, Modes::JT65},
{474200, Modes::JT65},
{474200, Modes::JT9},
{474200, Modes::WSPR},
{1836600, Modes::WSPR},
{1838000, Modes::JT65},
{1840000, Modes::JT9},
{3576000, Modes::JT65},
{3578000, Modes::JT9},
{3592600, Modes::WSPR},
{5357000, Modes::JT65},
{5287200, Modes::WSPR},
{7038600, Modes::WSPR},
{7076000, Modes::JT65},
{7078000, Modes::JT9},
{10138000, Modes::JT65},
{10138700, Modes::WSPR},
{10140000, Modes::JT9},
{14095600, Modes::WSPR},
{14076000, Modes::JT65},
{14078000, Modes::JT9},
{18102000, Modes::JT65},
{18104000, Modes::JT9},
{18104600, Modes::WSPR},
{21076000, Modes::JT65},
{21078000, Modes::JT9},
{21094600, Modes::WSPR},
{24917000, Modes::JT65},
{24919000, Modes::JT9},
{24924600, Modes::WSPR},
{28076000, Modes::JT65},
{28078000, Modes::JT9},
{28124600, Modes::WSPR},
{50000000, Modes::Echo},
{50276000, Modes::JT65},
{50293000, Modes::WSPR},
{70091000, Modes::JT65},
{70091000, Modes::WSPR},
{144000000, Modes::Echo},
{144100000, Modes::JT4},
{144489000, Modes::JT65},
{144489000, Modes::WSPR},
{222000000, Modes::JT4},
{222000000, Modes::JT65},
{432000000, Modes::Echo},
{432000000, Modes::JT4},
{432000000, Modes::JT65},
{432300000, Modes::WSPR},
{902000000, Modes::JT4},
{902000000, Modes::JT65},
{1296000000, Modes::Echo},
{1296000000, Modes::JT4},
{1296000000, Modes::JT65},
{1296500000, Modes::WSPR},
{2301000000, Modes::Echo},
{2301000000, Modes::JT4},
{2301000000, Modes::JT65},
{2304000000, Modes::Echo},
{2304000000, Modes::JT4},
{2304000000, Modes::JT65},
{2320000000, Modes::Echo},
{2320000000, Modes::JT4},
{2320000000, Modes::JT65},
{3400000000, Modes::Echo},
{3400000000, Modes::JT4},
{3400000000, Modes::JT65},
{3456000000, Modes::JT4},
{3456000000, Modes::JT65},
{5760000000, Modes::Echo},
{5760000000, Modes::JT4},
{5760000000, Modes::JT65},
{10368000000, Modes::Echo},
{10368000000, Modes::JT4},
{10368000000, Modes::JT65},
{24048000000, Modes::Echo},
{24048000000, Modes::JT4},
{24048000000, Modes::JT65},
};
}
#if !defined (QT_NO_DEBUG_STREAM)
QDebug operator << (QDebug debug, FrequencyList::Item const& item)
{
debug.nospace () << "FrequencyItem("
<< item.frequency_ << ", "
<< item.mode_ << ')';
return debug.space ();
}
#endif
QDataStream& operator << (QDataStream& os, FrequencyList::Item const& item)
{
return os << item.frequency_
<< item.mode_;
}
QDataStream& operator >> (QDataStream& is, FrequencyList::Item& item)
{
return is >> item.frequency_
>> item.mode_;
}
class FrequencyList::impl final
: public QAbstractTableModel
{
public:
impl (Bands const * bands, QObject * parent)
: QAbstractTableModel {parent}
, bands_ {bands}
, mode_filter_ {Modes::NULL_MODE}
{
}
FrequencyItems frequency_list (FrequencyItems);
QModelIndex add (Item);
// Implement the QAbstractTableModel interface
int rowCount (QModelIndex const& parent = QModelIndex {}) const override;
int columnCount (QModelIndex const& parent = QModelIndex {}) const override;
Qt::ItemFlags flags (QModelIndex const& = QModelIndex {}) const override;
QVariant data (QModelIndex const&, int role = Qt::DisplayRole) const override;
bool setData (QModelIndex const&, QVariant const& value, int role = Qt::EditRole) override;
QVariant headerData (int section, Qt::Orientation, int = Qt::DisplayRole) const override;
bool removeRows (int row, int count, QModelIndex const& parent = QModelIndex {}) override;
bool insertRows (int row, int count, QModelIndex const& parent = QModelIndex {}) override;
QStringList mimeTypes () const override;
QMimeData * mimeData (QModelIndexList const&) const override;
static int constexpr num_cols {3};
static auto constexpr mime_type ="application/wsjt.Frequencies";
Bands const * bands_;
FrequencyItems frequency_list_;
Mode mode_filter_;
};
FrequencyList::FrequencyList (Bands const * bands, QObject * parent)
: QSortFilterProxyModel {parent}
, m_ {bands, parent}
{
setSourceModel (&*m_);
setSortRole (SortRole);
}
FrequencyList::~FrequencyList ()
{
}
auto FrequencyList::frequency_list (FrequencyItems frequency_list) -> FrequencyItems
{
return m_->frequency_list (frequency_list);
}
auto FrequencyList::frequency_list () const -> FrequencyItems const&
{
return m_->frequency_list_;
}
int FrequencyList::best_working_frequency (Frequency f) const
{
int result {-1};
auto const& target_band = m_->bands_->find (f);
if (!target_band.isEmpty ())
{
// find a frequency in the same band that is allowed
for (int row = 0; row < rowCount (); ++row)
{
auto const& source_row = mapToSource (index (row, 0)).row ();
auto const& band = m_->bands_->find (m_->frequency_list_[source_row].frequency_);
if (band == target_band)
{
return row;
}
}
}
return result;
}
int FrequencyList::best_working_frequency (QString const& target_band) const
{
int result {-1};
if (!target_band.isEmpty ())
{
// find a frequency in the same band that is allowed
for (int row = 0; row < rowCount (); ++row)
{
auto const& source_row = mapToSource (index (row, 0)).row ();
auto const& band = m_->bands_->find (m_->frequency_list_[source_row].frequency_);
if (band == target_band)
{
return row;
}
}
}
return result;
}
void FrequencyList::reset_to_defaults ()
{
m_->frequency_list (default_frequency_list);
}
QModelIndex FrequencyList::add (Item f)
{
return mapFromSource (m_->add (f));
}
bool FrequencyList::remove (Item f)
{
auto row = m_->frequency_list_.indexOf (f);
if (0 > row)
{
return false;
}
return m_->removeRow (row);
}
namespace
{
bool row_is_higher (QModelIndex const& lhs, QModelIndex const& rhs)
{
return lhs.row () > rhs.row ();
}
}
bool FrequencyList::removeDisjointRows (QModelIndexList rows)
{
bool result {true};
// We must work with source model indexes because we don't want row
// removes to invalidate model indexes we haven't yet processed. We
// achieve that by processing them in decending row order.
for (int r = 0; r < rows.size (); ++r)
{
rows[r] = mapToSource (rows[r]);
}
// reverse sort by row
qSort (rows.begin (), rows.end (), row_is_higher);
Q_FOREACH (auto index, rows)
{
if (result && !m_->removeRow (index.row ()))
{
result = false;
}
}
return result;
}
void FrequencyList::filter (Mode mode)
{
m_->mode_filter_ = mode;
invalidateFilter ();
}
bool FrequencyList::filterAcceptsRow (int source_row, QModelIndex const& /* parent */) const
{
bool result {true};
if (m_->mode_filter_ != Modes::NULL_MODE)
{
auto const& item = m_->frequency_list_[source_row];
result = item.mode_ == Modes::NULL_MODE || m_->mode_filter_ == item.mode_;
}
return result;
}
auto FrequencyList::impl::frequency_list (FrequencyItems frequency_list) -> FrequencyItems
{
beginResetModel ();
std::swap (frequency_list_, frequency_list);
endResetModel ();
return frequency_list;
}
QModelIndex FrequencyList::impl::add (Item f)
{
// Any Frequency that isn't in the list may be added
if (!frequency_list_.contains (f))
{
auto row = frequency_list_.size ();
beginInsertRows (QModelIndex {}, row, row);
frequency_list_.append (f);
endInsertRows ();
return index (row, 0);
}
return QModelIndex {};
}
int FrequencyList::impl::rowCount (QModelIndex const& parent) const
{
return parent.isValid () ? 0 : frequency_list_.size ();
}
int FrequencyList::impl::columnCount (QModelIndex const& parent) const
{
return parent.isValid () ? 0 : num_cols;
}
Qt::ItemFlags FrequencyList::impl::flags (QModelIndex const& index) const
{
auto result = QAbstractTableModel::flags (index) | Qt::ItemIsDropEnabled;
auto row = index.row ();
auto column = index.column ();
if (index.isValid ()
&& row < frequency_list_.size ()
&& column < num_cols)
{
if (frequency_mhz_column != column)
{
result |= Qt::ItemIsEditable | Qt::ItemIsDragEnabled;
}
}
return result;
}
QVariant FrequencyList::impl::data (QModelIndex const& index, int role) const
{
QVariant item;
auto const& row = index.row ();
auto const& column = index.column ();
if (index.isValid ()
&& row < frequency_list_.size ()
&& column < num_cols)
{
auto const& frequency_item = frequency_list_.at (row);
switch (column)
{
case mode_column:
switch (role)
{
case SortRole:
case Qt::DisplayRole:
case Qt::EditRole:
case Qt::AccessibleTextRole:
item = Modes::name (frequency_item.mode_);
break;
case Qt::ToolTipRole:
case Qt::AccessibleDescriptionRole:
item = tr ("Mode");
break;
case Qt::TextAlignmentRole:
item = Qt::AlignHCenter + Qt::AlignVCenter;
break;
}
break;
case frequency_column:
switch (role)
{
case SortRole:
case Qt::EditRole:
case Qt::AccessibleTextRole:
item = frequency_item.frequency_;
break;
case Qt::DisplayRole:
{
auto const& band = bands_->find (frequency_item.frequency_);
item = Radio::pretty_frequency_MHz_string (frequency_item.frequency_)
+ " MHz (" + (band.isEmpty () ? "OOB" : band) + ')';
}
break;
case Qt::ToolTipRole:
case Qt::AccessibleDescriptionRole:
item = tr ("Frequency");
break;
case Qt::TextAlignmentRole:
item = Qt::AlignRight + Qt::AlignVCenter;
break;
}
break;
case frequency_mhz_column:
switch (role)
{
case Qt::EditRole:
case Qt::AccessibleTextRole:
item = Radio::frequency_MHz_string (frequency_item.frequency_);
break;
case Qt::DisplayRole:
{
auto const& band = bands_->find (frequency_item.frequency_);
item = Radio::pretty_frequency_MHz_string (frequency_item.frequency_)
+ " MHz (" + (band.isEmpty () ? "OOB" : band) + ')';
}
break;
case Qt::ToolTipRole:
case Qt::AccessibleDescriptionRole:
item = tr ("Frequency (MHz)");
break;
case Qt::TextAlignmentRole:
item = Qt::AlignRight + Qt::AlignVCenter;
break;
}
break;
}
}
return item;
}
bool FrequencyList::impl::setData (QModelIndex const& model_index, QVariant const& value, int role)
{
bool changed {false};
auto const& row = model_index.row ();
if (model_index.isValid ()
&& Qt::EditRole == role
&& row < frequency_list_.size ())
{
QVector<int> roles;
roles << role;
auto& item = frequency_list_[row];
switch (model_index.column ())
{
case mode_column:
if (value.canConvert<Mode> ())
{
auto mode = Modes::value (value.toString ());
if (mode != item.mode_)
{
item.mode_ = mode;
Q_EMIT dataChanged (model_index, model_index, roles);
changed = true;
}
}
break;
case frequency_column:
if (value.canConvert<Frequency> ())
{
auto frequency = value.value<Frequency> ();
if (frequency != item.frequency_)
{
item.frequency_ = frequency;
// mark derived column (1) changed as well
Q_EMIT dataChanged (index (model_index.row (), 1), model_index, roles);
changed = true;
}
}
break;
}
}
return changed;
}
QVariant FrequencyList::impl::headerData (int section, Qt::Orientation orientation, int role) const
{
QVariant header;
if (Qt::DisplayRole == role
&& Qt::Horizontal == orientation
&& section < num_cols)
{
switch (section)
{
case mode_column: header = tr ("Mode"); break;
case frequency_column: header = tr ("Frequency"); break;
case frequency_mhz_column: header = tr ("Frequency (MHz)"); break;
}
}
else
{
header = QAbstractTableModel::headerData (section, orientation, role);
}
return header;
}
bool FrequencyList::impl::removeRows (int row, int count, QModelIndex const& parent)
{
if (0 < count && (row + count) <= rowCount (parent))
{
beginRemoveRows (parent, row, row + count - 1);
for (auto r = 0; r < count; ++r)
{
frequency_list_.removeAt (row);
}
endRemoveRows ();
return true;
}
return false;
}
bool FrequencyList::impl::insertRows (int row, int count, QModelIndex const& parent)
{
if (0 < count)
{
beginInsertRows (parent, row, row + count - 1);
for (auto r = 0; r < count; ++r)
{
frequency_list_.insert (row, Item {0, Mode::NULL_MODE});
}
endInsertRows ();
return true;
}
return false;
}
QStringList FrequencyList::impl::mimeTypes () const
{
QStringList types;
types << mime_type;
return types;
}
QMimeData * FrequencyList::impl::mimeData (QModelIndexList const& items) const
{
QMimeData * mime_data = new QMimeData {};
QByteArray encoded_data;
QDataStream stream {&encoded_data, QIODevice::WriteOnly};
Q_FOREACH (auto const& item, items)
{
if (item.isValid () && frequency_column == item.column ())
{
stream << QString {data (item, Qt::DisplayRole).toString ()};
}
}
mime_data->setData (mime_type, encoded_data);
return mime_data;
}
auto FrequencyList::const_iterator::operator * () -> Item const&
{
return parent_->frequency_list ().at(parent_->mapToSource (parent_->index (row_, 0)).row ());
}
bool FrequencyList::const_iterator::operator != (const_iterator const& rhs) const
{
return parent_ != rhs.parent_ || row_ != rhs.row_;
}
auto FrequencyList::const_iterator::operator ++ () -> const_iterator&
{
++row_;
return *this;
}
auto FrequencyList::begin () const -> FrequencyList::const_iterator
{
return const_iterator (this, 0);
}
auto FrequencyList::end () const -> FrequencyList::const_iterator
{
return const_iterator (this, rowCount ());
}
auto FrequencyList::filtered_bands () const -> BandSet
{
BandSet result;
for (auto const& item : *this)
{
result << m_->bands_->find (item.frequency_);
}
return result;
}
auto FrequencyList::all_bands (Mode mode) const -> BandSet
{
BandSet result;
for (auto const& item : m_->frequency_list_)
{
if (mode == Modes::NULL_MODE || item.mode_ == mode)
{
result << m_->bands_->find (item.frequency_);
}
}
return result;
}
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