Moving toward multiplier and dupe detection for contest modes

There's not  much to show  for this so far  but some of  the necessary
infrastructure is in place.

CMakeLists.txt

@@ -237,6 +237,7 @@ set (wsjt_qt_CXXSRCS
   models/FrequencyList.cpp
   models/StationList.cpp
   widgets/FrequencyLineEdit.cpp
+  widgets/FrequencyDeltaLineEdit.cpp
   item_delegates/CandidateKeyFilter.cpp
   item_delegates/ForeignKeyDelegate.cpp
   validators/LiveFrequencyValidator.cpp
@@ -279,9 +280,12 @@ set (wsjt_qt_CXXSRCS
   widgets/CabrilloLogWindow.cpp
   item_delegates/CallsignDelegate.cpp
   item_delegates/MaidenheadLocatorDelegate.cpp
+  item_delegates/FrequencyDelegate.cpp
+  item_delegates/FrequencyDeltaDelegate.cpp
   models/CabrilloLog.cpp
   logbook/AD1CCty.cpp
   logbook/WorkedBefore.cpp
+  logbook/Multiplier.cpp
   )
 
 set (wsjt_qtmm_CXXSRCS

Configuration.cpp

@@ -167,8 +167,11 @@
 #include "MetaDataRegistry.hpp"
 #include "SettingsGroup.hpp"
 #include "widgets/FrequencyLineEdit.hpp"
+#include "widgets/FrequencyDeltaLineEdit.hpp"
 #include "item_delegates/CandidateKeyFilter.hpp"
 #include "item_delegates/ForeignKeyDelegate.hpp"
+#include "item_delegates/FrequencyDelegate.hpp"
+#include "item_delegates/FrequencyDeltaDelegate.hpp"
 #include "TransceiverFactory.hpp"
 #include "Transceiver.hpp"
 #include "models/Bands.hpp"
@@ -1122,6 +1125,7 @@ Configuration::impl::impl (Configuration * self, QNetworkAccessManager * network
   ui_->frequencies_table_view->setColumnHidden (FrequencyList_v2::frequency_mhz_column, true);
 
   // delegates
+  ui_->frequencies_table_view->setItemDelegateForColumn (FrequencyList_v2::frequency_column, new FrequencyDelegate {this});
   ui_->frequencies_table_view->setItemDelegateForColumn (FrequencyList_v2::region_column, new ForeignKeyDelegate {&regions_, 0, this});
   ui_->frequencies_table_view->setItemDelegateForColumn (FrequencyList_v2::mode_column, new ForeignKeyDelegate {&modes_, 0, this});
 
@@ -1160,6 +1164,7 @@ Configuration::impl::impl (Configuration * self, QNetworkAccessManager * network
   ui_->stations_table_view->sortByColumn (StationList::band_column, Qt::AscendingOrder);
 
   // stations delegates
+  ui_->stations_table_view->setItemDelegateForColumn (StationList::offset_column, new FrequencyDeltaDelegate {this});
   ui_->stations_table_view->setItemDelegateForColumn (StationList::band_column, new ForeignKeyDelegate {&bands_, &next_stations_, 0, StationList::band_column, this});
 
   // stations actions

MetaDataRegistry.cpp

@@ -14,7 +14,6 @@
 #include "WFPalette.hpp"
 #include "models/IARURegions.hpp"
 #include "models/DecodeHighlightingModel.hpp"
-#include "widgets/FrequencyLineEdit.hpp"
 #include "widgets/DateTimeEdit.hpp"
 
 namespace
@@ -51,9 +50,6 @@ void register_types ()
   // used as signal/slot connection arguments since the new Qt 5.5
   // Q_ENUM macro only seems to register the unqualified name
   
-  item_editor_factory->registerEditor (qMetaTypeId<Radio::Frequency> (), new QStandardItemEditorCreator<FrequencyLineEdit> ());
-  //auto frequency_delta_type_id = qRegisterMetaType<Radio::FrequencyDelta> ("FrequencyDelta");
-  item_editor_factory->registerEditor (qMetaTypeId<Radio::FrequencyDelta> (), new QStandardItemEditorCreator<FrequencyDeltaLineEdit> ());
   item_editor_factory->registerEditor (qMetaTypeId<QDateTime> (), new QStandardItemEditorCreator<DateTimeEdit> ());
 
   // Frequency list model

Radio.cpp

@@ -74,14 +74,14 @@ namespace Radio
   }
 
 
-  QString frequency_MHz_string (Frequency f, QLocale const& locale)
+  QString frequency_MHz_string (Frequency f, int precision, QLocale const& locale)
   {
-    return locale.toString (f / MHz_factor, 'f', frequency_precsion);
+    return locale.toString (f / MHz_factor, 'f', precision);
   }
 
-  QString frequency_MHz_string (FrequencyDelta d, QLocale const& locale)
+  QString frequency_MHz_string (FrequencyDelta d, int precision, QLocale const& locale)
   {
-    return locale.toString (d / MHz_factor, 'f', frequency_precsion);
+    return locale.toString (d / MHz_factor, 'f', precision);
   }
 
   QString pretty_frequency_MHz_string (Frequency f, QLocale const& locale)

Radio.hpp

@@ -42,8 +42,8 @@ namespace Radio
   //
   // Frequency type formatting
   //
-  QString UDP_EXPORT frequency_MHz_string (Frequency, QLocale const& = QLocale ());
-  QString UDP_EXPORT frequency_MHz_string (FrequencyDelta, QLocale const& = QLocale ());
+  QString UDP_EXPORT frequency_MHz_string (Frequency, int precision = 6, QLocale const& = QLocale ());
+  QString UDP_EXPORT frequency_MHz_string (FrequencyDelta, int precision = 6, QLocale const& = QLocale ());
   QString UDP_EXPORT pretty_frequency_MHz_string (Frequency, QLocale const& = QLocale ());
   QString UDP_EXPORT pretty_frequency_MHz_string (double, int scale, QLocale const& = QLocale ());
   QString UDP_EXPORT pretty_frequency_MHz_string (FrequencyDelta, QLocale const& = QLocale ());

item_delegates/FrequencyDelegate.cpp

@@ -0,0 +1,27 @@
+#include "FrequencyDelegate.hpp"
+
+#include "widgets/FrequencyLineEdit.hpp"
+
+FrequencyDelegate::FrequencyDelegate (QObject * parent)
+  : QStyledItemDelegate {parent}
+{
+}
+
+QWidget * FrequencyDelegate::createEditor (QWidget * parent, QStyleOptionViewItem const&
+                                          , QModelIndex const&) const
+{
+  auto * editor = new FrequencyLineEdit {parent};
+  editor->setFrame (false);
+  return editor;
+}
+
+void FrequencyDelegate::setEditorData (QWidget * editor, QModelIndex const& index) const
+{
+  static_cast<FrequencyLineEdit *> (editor)->frequency (index.model ()->data (index, Qt::EditRole).value<Radio::Frequency> ());
+}
+
+void FrequencyDelegate::setModelData (QWidget * editor, QAbstractItemModel * model, QModelIndex const& index) const
+{
+  model->setData (index, static_cast<FrequencyLineEdit *> (editor)->frequency (), Qt::EditRole);
+}
+

item_delegates/FrequencyDelegate.hpp

@@ -0,0 +1,21 @@
+#ifndef FREQUENCY_DELEGATE_HPP_
+#define FREQUENCY_DELEGATE_HPP_
+
+#include <QStyledItemDelegate>
+
+//
+// Class FrequencyDelegate
+//
+//	Item delegate for editing a frequency in Hertz but displayed in MHz
+//
+class FrequencyDelegate final
+  : public QStyledItemDelegate
+{
+public:
+  explicit FrequencyDelegate (QObject * parent = nullptr);
+  QWidget * createEditor (QWidget * parent, QStyleOptionViewItem const&, QModelIndex const&) const override;
+  void setEditorData (QWidget * editor, QModelIndex const&) const override;
+  void setModelData (QWidget * editor, QAbstractItemModel *, QModelIndex const&) const override;
+};
+
+#endif

item_delegates/FrequencyDeltaDelegate.cpp

@@ -0,0 +1,26 @@
+#include "FrequencyDeltaDelegate.hpp"
+
+#include "widgets/FrequencyDeltaLineEdit.hpp"
+
+FrequencyDeltaDelegate::FrequencyDeltaDelegate (QObject * parent)
+  : QStyledItemDelegate {parent}
+{
+}
+
+QWidget * FrequencyDeltaDelegate::createEditor (QWidget * parent, QStyleOptionViewItem const&
+                                                , QModelIndex const&) const
+{
+  auto * editor = new FrequencyDeltaLineEdit {parent};
+  editor->setFrame (false);
+  return editor;
+}
+
+void FrequencyDeltaDelegate::setEditorData (QWidget * editor, QModelIndex const& index) const
+{
+  static_cast<FrequencyDeltaLineEdit *> (editor)->frequency_delta (index.model ()->data (index, Qt::EditRole).value<Radio::FrequencyDelta> ());
+}
+
+void FrequencyDeltaDelegate::setModelData (QWidget * editor, QAbstractItemModel * model, QModelIndex const& index) const
+{
+  model->setData (index, static_cast<FrequencyDeltaLineEdit *> (editor)->frequency_delta (), Qt::EditRole);
+}

item_delegates/FrequencyDeltaDelegate.hpp

@@ -0,0 +1,21 @@
+#ifndef FREQUENCY_DELTA_DELEGATE_HPP_
+#define FREQUENCY_DELTA_DELEGATE_HPP_
+
+#include <QStyledItemDelegate>
+
+//
+// Class FrequencyDeltaDelegate
+//
+//	Item delegate for editing a frequency delta in Hertz but displayed in MHz
+//
+class FrequencyDeltaDelegate final
+  : public QStyledItemDelegate
+{
+public:
+  explicit FrequencyDeltaDelegate (QObject * parent = nullptr);
+  QWidget * createEditor (QWidget * parent, QStyleOptionViewItem const&, QModelIndex const&) const override;
+  void setEditorData (QWidget * editor, QModelIndex const&) const override;
+  void setModelData (QWidget * editor, QAbstractItemModel *, QModelIndex const&) const override;
+};
+
+#endif

item_delegates/item_delegates.pri

@@ -1,11 +1,13 @@
 SOURCES += \
   item_delegates/ForeignKeyDelegate.cpp \
-  item_delegates/FrequencyItemDelegate.cpp \
+  item_delegates/FrequencyDelegate.cpp \
+  item_delegates/FrequencyDeltaDelegate.cpp \
   item_delegates/CallsignDelegate.cpp \
   item_delegates/MaidenheadLocatorItemDelegate.cpp
 
 HEADERS  += \
   item_delegates/ForeignKeyDelegate.hpp \
-  item_delegates/FrequencyItemDelegate.hpp \
+  item_delegates/FrequencyDelegate.hpp \
+  item_delegates/FrequencyDeltaDelegate.hpp \
   item_delegates/CallsignDelegate.hpp \
   item_delegates/MaidenheadLocatorDelegate.hpp

logbook/Multiplier.cpp

@@ -0,0 +1,45 @@
+#include "Multiplier.hpp"
+
+#include <QSet>
+#include <QString>
+#include <QDebug>
+#include "models/CabrilloLog.hpp"
+#include "pimpl_impl.hpp"
+
+class Multiplier::impl
+{
+public:
+  impl (AD1CCty const * countries)
+    : countries_ {countries}
+  {
+  }
+
+  AD1CCty const * countries_;
+  worked_set entities_worked_;
+  worked_set grids_worked_;
+};
+
+Multiplier::Multiplier (AD1CCty const * countries)
+  : m_ {countries}
+{
+}
+
+Multiplier::~Multiplier ()
+{
+}
+
+void Multiplier::reload (CabrilloLog const * log)
+{
+  m_->entities_worked_ = log->unique_DXCC_entities (m_->countries_);
+  qDebug () << "Entities worked:" << m_->entities_worked_;
+}
+
+auto Multiplier::entities_worked () const -> worked_set const&
+{
+  return m_->entities_worked_;
+}
+
+auto Multiplier::grids_worked () const -> worked_set const&
+{
+  return m_->grids_worked_;
+}

logbook/Multiplier.hpp

@@ -0,0 +1,30 @@
+#ifndef MULTIPLIER_HPP_
+#define MULTIPLIER_HPP_
+
+#include <boost/core/noncopyable.hpp>
+#include <QSet>
+#include "pimpl_h.hpp"
+
+class QString;
+class AD1CCty;
+class CabrilloLog;
+
+class Multiplier final
+  : private boost::noncopyable
+{
+public:
+  using worked_item = QPair<QString, QString>;
+  using worked_set = QSet<worked_item>;
+
+  explicit Multiplier (AD1CCty const *);
+  ~Multiplier ();
+  void reload (CabrilloLog const *);
+  worked_set const& entities_worked () const;
+  worked_set const& grids_worked () const;
+
+private:
+  class impl;
+  pimpl<impl> m_;
+};
+
+#endif

logbook/WorkedBefore.cpp

@@ -415,9 +415,9 @@ QString const& WorkedBefore::path () const
   return m_->path_;
 }
 
-AD1CCty const& WorkedBefore::countries () const
+AD1CCty const * WorkedBefore::countries () const
 {
-  return m_->prefixes_;
+  return &m_->prefixes_;
 }
 
 bool WorkedBefore::add (QString const& call

logbook/WorkedBefore.hpp

@@ -29,7 +29,7 @@ public:
                    , QByteArray const& ADIF_record);
 
   QString const& path () const;
-  AD1CCty const& countries () const;
+  AD1CCty const * countries () const;
   bool country_worked (QString const& call, QString const& mode, QString const& band) const;
   bool grid_worked (QString const& grid, QString const& mode, QString const& band) const;
   bool call_worked (QString const& call, QString const& mode, QString const& band) const;

logbook/logbook.cpp

@@ -3,6 +3,8 @@
 #include <QDateTime>
 #include "Configuration.hpp"
 #include "AD1CCty.hpp"
+#include "Multiplier.hpp"
+#include "logbook/AD1CCty.hpp"
 #include "models/CabrilloLog.hpp"
 #include "models/FoxLog.hpp"
 
@@ -16,6 +18,10 @@ LogBook::LogBook (Configuration const * configuration)
   connect (&worked_before_, &WorkedBefore::finished_loading, this, &LogBook::finished_loading);
 }
 
+LogBook::~LogBook ()
+{
+}
+
 void LogBook::match (QString const& call, QString const& mode, QString const& grid,
                      AD1CCty::Record const& looked_up,
                      bool& callB4,
@@ -144,19 +150,36 @@ QByteArray LogBook::QSOToADIF (QString const& hisCall, QString const& hisGrid, Q
 CabrilloLog * LogBook::contest_log ()
 {
   // lazy create of Cabrillo log object instance
-  if (!m_contest_log)
+  if (!contest_log_)
     {
-      m_contest_log.reset (new CabrilloLog {config_});
+      contest_log_.reset (new CabrilloLog {config_});
+      if (!multiplier_)
+        {
+          multiplier_.reset (new Multiplier {countries ()});
+        }
+      connect (contest_log_.data (), &CabrilloLog::data_changed, [this] () {
+          multiplier_->reload (contest_log_.data ());
+        });
     }
-  return m_contest_log.data ();
+  return contest_log_.data ();
+}
+
+Multiplier const * LogBook::multiplier () const
+{
+  // lazy create of Multiplier object instance
+  if (!multiplier_)
+    {
+      multiplier_.reset (new Multiplier {countries ()});
+    }
+  return multiplier_.data ();
 }
 
 FoxLog * LogBook::fox_log ()
 {
   // lazy create of Fox log object instance
-  if (!m_fox_log)
+  if (!fox_log_)
     {
-      m_fox_log.reset (new FoxLog {config_});
+      fox_log_.reset (new FoxLog {config_});
     }
-  return m_fox_log.data ();
+  return fox_log_.data ();
 }

logbook/logbook.h

@@ -16,6 +16,7 @@ class Configuration;
 class QByteArray;
 class QDateTime;
 class CabrilloLog;
+class Multiplier;
 class FoxLog;
 
 class LogBook final
@@ -25,13 +26,14 @@ class LogBook final
 
 public:
   LogBook (Configuration const *);
+  ~LogBook ();
   QString const& path () const {return worked_before_.path ();}
   bool add (QString const& call
             , QString const& grid
             , QString const& band
             , QString const& mode
             , QByteArray const& ADIF_record);
-  AD1CCty const& countries () const {return worked_before_.countries ();}
+  AD1CCty const * countries () const {return worked_before_.countries ();}
   void rescan ();
   void match (QString const& call, QString const& mode, QString const& grid,
               AD1CCty::Record const&, bool& callB4, bool& countryB4,
@@ -47,13 +49,15 @@ public:
   Q_SIGNAL void finished_loading (int worked_before_record_count, QString const& error) const;
 
   CabrilloLog * contest_log ();
+  Multiplier const * multiplier () const;
   FoxLog * fox_log ();
 
 private:
   Configuration const * config_;
   WorkedBefore worked_before_;
-  QScopedPointer<CabrilloLog> m_contest_log;
-  QScopedPointer<FoxLog> m_fox_log;
+  QScopedPointer<CabrilloLog> contest_log_;
+  QScopedPointer<Multiplier> mutable multiplier_;
+  QScopedPointer<FoxLog> fox_log_;
 };
 
 #endif

logbook/logbook.pri

@@ -2,10 +2,12 @@ SOURCES += \
   logbook/countriesworked.cpp \
   logbook/logbook.cpp \
   logbook/AD1CCty.cpp \
-  logbook/WorkedBefore.cpp
+  logbook/WorkedBefore.cpp \
+  logbook/Multiplier.cpp
 
 HEADERS  += \
   logbook/WorkedBefore.hpp \
   logbook/logbook.h \
   logbook/countriesworked.h \
-  logbook/AD1CCty.hpp
+  logbook/AD1CCty.hpp \
+  logbook/Multiplier.hpp

main.cpp

@@ -380,10 +380,12 @@ int main(int argc, char *argv[])
     }
   catch (std::exception const& e)
     {
+      MessageBox::critical_message (nullptr, QApplication::translate ("main", "Fatal error"), e.what ());
       std::cerr << "Error: " << e.what () << '\n';
     }
   catch (...)
     {
+      MessageBox::critical_message (nullptr, QApplication::translate ("main", "Unexpected fatal error"));
       std::cerr << "Unexpected fatal error\n";
       throw;			// hoping the runtime might tell us more about the exception
     }

models/CabrilloLog.cpp

@@ -20,59 +20,122 @@ class CabrilloLog::impl final
   : public QSqlTableModel
 {
 public:
-  impl (Configuration const *);
+  impl (CabrilloLog *, Configuration const *);
 
-  QVariant data (QModelIndex const& index, int role) const
+  int columnCount (QModelIndex const& /*index */) const override
   {
-    auto value = QSqlTableModel::data (index, role);
-    if (index.column () == fieldIndex ("when")
-        && (Qt::DisplayRole == role || Qt::EditRole == role))
+    return QSqlTableModel::columnCount () + 1;
+  }
+
+  Qt::ItemFlags flags (QModelIndex const& index) const override
+  {
+    auto flags = QSqlTableModel::flags (index);
+    if (index.isValid () && index.column () == columnCount (index) - 1)
       {
-        auto t = QDateTime::fromMSecsSinceEpoch (value.toULongLong () * 1000ull, Qt::UTC);
+        flags = Qt::ItemIsEnabled;
+      }
+    return flags;
+  }
+
+  QVariant data (QModelIndex const& model_index, int role) const override
+  {
+    QVariant value;
+    if (model_index.isValid () && model_index.column () == columnCount (model_index) - 1)
+      {                         // derive band column
         if (Qt::DisplayRole == role)
           {
-            QLocale locale;
-            return locale.toString (t, locale.dateFormat (QLocale::ShortFormat) + " hh:mm:ss");
+            value = configuration_->bands ()->find (QSqlTableModel::data (index (model_index.row (), fieldIndex ("frequency"))).toULongLong ());
+          }
+      }
+    else
+      {
+        value = QSqlTableModel::data (model_index, role);
+        if (model_index.column () == fieldIndex ("frequency") && Qt::DisplayRole == role)
+          {
+            value = Radio::frequency_MHz_string (value.value<Radio::Frequency> (), 3); // kHz precision
+          }
+        else if (model_index.column () == fieldIndex ("when")
+            && (Qt::DisplayRole == role || Qt::EditRole == role))
+          {                     // adjust date/time to Qt format
+            auto t = QDateTime::fromMSecsSinceEpoch (value.toULongLong () * 1000ull, Qt::UTC);
+            if (Qt::DisplayRole == role)
+              {
+                QLocale locale;
+                return locale.toString (t, locale.dateFormat (QLocale::ShortFormat) + " hh:mm:ss");
+              }
+            value = t;
           }
-        value = t;
       }
     return value;
   }
 
   QString cabrillo_frequency_string (Radio::Frequency frequency) const;
+  void create_table ();
 
+  CabrilloLog * self_;
   Configuration const * configuration_;
   QSqlQuery mutable dupe_query_;
   QSqlQuery mutable export_query_;
+  bool adding_row_;
 };
 
-CabrilloLog::impl::impl (Configuration const * configuration)
-  : QSqlTableModel {}
+CabrilloLog::impl::impl (CabrilloLog * self, Configuration const * configuration)
+  : self_ {self}
   , configuration_ {configuration}
+  , adding_row_ {false}
 {
   if (!database ().tables ().contains ("cabrillo_log"))
+    {
+      create_table ();
+    }
+
+  setEditStrategy (QSqlTableModel::OnFieldChange);
+  setTable ("cabrillo_log");
+  if (-1 != fieldIndex ("band")) // schema out of date
     {
       QSqlQuery query;
       SQL_error_check (query, static_cast<bool (QSqlQuery::*) (QString const&)> (&QSqlQuery::exec),
-                       "CREATE TABLE cabrillo_log ("
-                       "	id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
-                       "  frequency INTEGER NOT NULL,"
-                       "	\"when\" DATETIME NOT NULL,"
-                       "	call VARCHAR(20) NOT NULL,"
-                       "	exchange_sent VARCHAR(32) NOT NULL,"
-                       "	exchange_rcvd VARCHAR(32) NOT NULL,"
-                       "	band VARCHAR(6) NOT NULL"
-                       ")");
+                       "DROP TABLE IF EXISTS cabrillo_log_backup");
+      SQL_error_check (query, static_cast<bool (QSqlQuery::*) (QString const&)> (&QSqlQuery::exec),
+                       "CREATE TABLE cabrillo_log_backup AS SELECT * FROM cabrillo_log");
+      SQL_error_check (query, static_cast<bool (QSqlQuery::*) (QString const&)> (&QSqlQuery::exec),
+                       "DROP TABLE cabrillo_log");
+      create_table ();
+      setTable ("cabrillo_log");
     }
 
+  setHeaderData (fieldIndex ("frequency"), Qt::Horizontal, tr ("Freq(MHz)"));
+  setHeaderData (fieldIndex ("mode"), Qt::Horizontal, tr ("Mode"));
+  setHeaderData (fieldIndex ("when"), Qt::Horizontal, tr ("Date & Time(UTC)"));
+  setHeaderData (fieldIndex ("call"), Qt::Horizontal, tr ("Call"));
+  setHeaderData (fieldIndex ("exchange_sent"), Qt::Horizontal, tr ("Sent"));
+  setHeaderData (fieldIndex ("exchange_rcvd"), Qt::Horizontal, tr ("Rcvd"));
+  setHeaderData (columnCount (QModelIndex {}) - 1, Qt::Horizontal, tr ("Band"));
+
+  // This descending order by time is important, it makes the view
+  // place the latest row at the top, without this the model/view
+  // interactions are both sluggish and unhelpful.
+  setSort (fieldIndex ("when"), Qt::DescendingOrder);
+
+  connect (this, &CabrilloLog::impl::modelReset, self_, &CabrilloLog::data_changed);
+  connect (this, &CabrilloLog::impl::dataChanged, [this] (QModelIndex const& tl, QModelIndex const& br) {
+      if (!adding_row_ && !(tl == br)) // ignore single cell changes
+                                       // as a another change for the
+                                       // whole row will follow
+        {
+          Q_EMIT self_->data_changed ();
+        }
+    });
+
+  SQL_error_check (*this, &QSqlTableModel::select);
+
   SQL_error_check (dupe_query_, &QSqlQuery::prepare,
                    "SELECT "
-                   "    COUNT(*) "
+                   "    frequency "
                    "  FROM "
                    "    cabrillo_log "
                    "  WHERE "
-                   "    call = :call "
-                   "    AND band = :band");
+                   "    call = :call ");
   
   SQL_error_check (export_query_, &QSqlQuery::prepare,
                    "SELECT "
@@ -85,29 +148,28 @@ CabrilloLog::impl::impl (Configuration const * configuration)
                    "    cabrillo_log "
                    "  ORDER BY "
                    "    \"when\"");
+}
 
-  setEditStrategy (QSqlTableModel::OnFieldChange);
-  setTable ("cabrillo_log");
-  setHeaderData (fieldIndex ("frequency"), Qt::Horizontal, tr ("Freq(kHz)"));
-  setHeaderData (fieldIndex ("when"), Qt::Horizontal, tr ("Date & Time(UTC)"));
-  setHeaderData (fieldIndex ("call"), Qt::Horizontal, tr ("Call"));
-  setHeaderData (fieldIndex ("exchange_sent"), Qt::Horizontal, tr ("Sent"));
-  setHeaderData (fieldIndex ("exchange_rcvd"), Qt::Horizontal, tr ("Rcvd"));
-  setHeaderData (fieldIndex ("band"), Qt::Horizontal, tr ("Band"));
-
-  // This descending order by time is important, it makes the view
-  // place the latest row at the top, without this the model/view
-  // interactions are both sluggish and unhelpful.
-  setSort (fieldIndex ("when"), Qt::DescendingOrder);
-
-  SQL_error_check (*this, &QSqlTableModel::select);
+void CabrilloLog::impl::create_table ()
+{
+  QSqlQuery query;
+  SQL_error_check (query, static_cast<bool (QSqlQuery::*) (QString const&)> (&QSqlQuery::exec),
+                   "CREATE TABLE cabrillo_log ("
+                   "	id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
+                   "  frequency INTEGER NOT NULL,"
+                   "  mode VARCHAR(6) NOT NULL,"
+                   "	\"when\" DATETIME NOT NULL,"
+                   "	call VARCHAR(20) NOT NULL,"
+                   "	exchange_sent VARCHAR(32) NOT NULL,"
+                   "	exchange_rcvd VARCHAR(32) NOT NULL"
+                   ")");
 }
 
 // frequency here is in kHz
 QString CabrilloLog::impl::cabrillo_frequency_string (Radio::Frequency frequency) const
 {
   QString result;
-  auto band = configuration_->bands ()->find (frequency * 1000ull);
+  auto band = configuration_->bands ()->find (frequency);
   if ("1mm" == band) result = "LIGHT";
   else if ("2mm" == band) result = "241G";
   else if ("2.5mm" == band) result = "134G";
@@ -125,12 +187,15 @@ QString CabrilloLog::impl::cabrillo_frequency_string (Radio::Frequency frequency
   else if ("2m" == band) result = "144";
   else if ("4m" == band) result = "70";
   else if ("6m" == band) result = "50";
-  else result = QString::number (frequency);
+  else result = QString::number (frequency / 1000ull);
   return result;
 }
 
-CabrilloLog::CabrilloLog (Configuration const * configuration)
-  : m_ {configuration}
+#include "moc_CabrilloLog.cpp"
+
+CabrilloLog::CabrilloLog (Configuration const * configuration, QObject * parent)
+  : QObject {parent}
+  , m_ {this, configuration}
 {
   Q_ASSERT (configuration);
 }
@@ -159,11 +224,12 @@ namespace
   }
 }
 
-bool CabrilloLog::add_QSO (Frequency frequency, QDateTime const& when, QString const& call
+bool CabrilloLog::add_QSO (Frequency frequency, QString const& mode, QDateTime const& when, QString const& call
                            , QString const& exchange_sent, QString const& exchange_received)
 {
   auto record = m_->record ();
-  record.setValue ("frequency", frequency / 1000ull); // kHz
+  record.setValue ("frequency", frequency);
+  record.setValue ("mode", mode);
   if (!when.isNull ())
     {
       record.setValue ("when", when.toMSecsSinceEpoch () / 1000ull);
@@ -175,15 +241,16 @@ bool CabrilloLog::add_QSO (Frequency frequency, QDateTime const& when, QString c
   set_value_maybe_null (record, "call", call);
   set_value_maybe_null (record, "exchange_sent", exchange_sent);
   set_value_maybe_null (record, "exchange_rcvd", exchange_received);
-  set_value_maybe_null (record, "band", m_->configuration_->bands ()->find (frequency));
   if (m_->isDirty ())
     {
       m_->revert ();            // discard any uncommitted changes
     }
   m_->setEditStrategy (QSqlTableModel::OnManualSubmit);
   ConditionalTransaction transaction {*m_};
+  m_->adding_row_ = true;
   auto ok = m_->insertRecord (-1, record);
   transaction.submit ();
+  m_->adding_row_ = false;
   m_->setEditStrategy (QSqlTableModel::OnFieldChange);
   return ok;
 }
@@ -191,10 +258,18 @@ bool CabrilloLog::add_QSO (Frequency frequency, QDateTime const& when, QString c
 bool CabrilloLog::dupe (Frequency frequency, QString const& call) const
 {
   m_->dupe_query_.bindValue (":call", call);
-  m_->dupe_query_.bindValue (":band", m_->configuration_->bands ()->find (frequency));
   SQL_error_check (m_->dupe_query_, static_cast<bool (QSqlQuery::*) ()> (&QSqlQuery::exec));
-  m_->dupe_query_.next ();
-  return m_->dupe_query_.value (0).toInt ();
+  auto record = m_->dupe_query_.record ();
+  auto frequency_index = record.indexOf ("frequency");
+  while (m_->dupe_query_.next ())
+    {
+      if (m_->configuration_->bands ()->find (m_->dupe_query_.value (frequency_index).toULongLong ())
+          == m_->configuration_->bands ()->find (frequency))
+        {
+          return true;
+        }
+    }
+  return false;
 }
 
 void CabrilloLog::reset ()
@@ -209,6 +284,7 @@ void CabrilloLog::reset ()
       transaction.submit ();
       m_->select ();            // to refresh views
       m_->setEditStrategy (QSqlTableModel::OnFieldChange);
+      Q_EMIT data_changed ();
     }
 }
 
@@ -217,6 +293,7 @@ void CabrilloLog::export_qsos (QTextStream& stream) const
   SQL_error_check (m_->export_query_, static_cast<bool (QSqlQuery::*) ()> (&QSqlQuery::exec));
   auto record = m_->export_query_.record ();
   auto frequency_index = record.indexOf ("frequency");
+  //  auto mode_index = record.indexOf ("mode");
   auto when_index = record.indexOf ("when");
   auto call_index = record.indexOf ("call");
   auto sent_index = record.indexOf ("exchange_sent");
@@ -234,14 +311,16 @@ void CabrilloLog::export_qsos (QTextStream& stream) const
     }
 }
 
-QSet<QString> CabrilloLog::unique_DXCC_entities (AD1CCty const& countries) const
+auto CabrilloLog::unique_DXCC_entities (AD1CCty const * countries) const -> worked_set
 {
-  QSqlQuery q {"SELECT UNIQUE CALL FROM cabrillo_log"};
+  QSqlQuery q {"SELECT DISTINCT BAND, CALL FROM cabrillo_log"};
+  auto band_index = q.record ().indexOf ("band");
   auto call_index = q.record ().indexOf ("call");
-  QSet<QString> entities;
+  worked_set entities;
   while (q.next ())
     {
-      entities << countries.lookup (q.value(call_index).toString ()).primary_prefix;
+      entities << worked_item {q.value (band_index).toString ()
+          , countries->lookup (q.value (call_index).toString ()).primary_prefix};
     }
   return entities;
 }

models/CabrilloLog.hpp

@@ -1,8 +1,9 @@
 #ifndef CABRILLO_LOG_HPP_
 #define CABRILLO_LOG_HPP_
 
-#include <boost/core/noncopyable.hpp>
+#include <QObject>
 #include <QSet>
+#include <QPair>
 #include <QString>
 #include "Radio.hpp"
 #include "pimpl_h.hpp"
@@ -14,23 +15,29 @@ class QTextStream;
 class AD1CCty;
 
 class CabrilloLog final
-  : private boost::noncopyable
+  : public QObject
 {
+  Q_OBJECT
+
 public:
   using Frequency = Radio::Frequency;
+  using worked_item = QPair<QString, QString>;
+  using worked_set = QSet<worked_item>;
 
-  explicit CabrilloLog (Configuration const *);
+  explicit CabrilloLog (Configuration const *, QObject * parent = nullptr);
   ~CabrilloLog ();
 
   // returns false if insert fails
-  bool add_QSO (Frequency, QDateTime const&, QString const& call
+  bool add_QSO (Frequency, QString const& mode, QDateTime const&, QString const& call
                 , QString const& report_sent, QString const& report_received);
   bool dupe (Frequency, QString const& call) const;
 
   QSqlTableModel * model ();
   void reset ();
   void export_qsos (QTextStream&) const;
-  QSet<QString> unique_DXCC_entities (AD1CCty const&) const;
+  worked_set unique_DXCC_entities (AD1CCty const *) const;
+
+  Q_SIGNAL void data_changed () const;
 
 private:
   class impl;

qt_db_helpers.hpp

@@ -6,6 +6,7 @@
 #include <QString>
 #include <QSqlError>
 #include <QSqlTableModel>
+#include "boost/core/noncopyable.hpp"
 
 template<typename T, typename Func, typename... Args>
 void SQL_error_check (T&& object, Func func, Args&&... args)

widgets/CabrilloLogWindow.cpp

@@ -1,10 +1,12 @@
 #include "CabrilloLogWindow.hpp"
 
+#include <stdexcept>
 #include <QApplication>
 #include <QIdentityProxyModel>
 #include <QSqlTableModel>
 #include "Configuration.hpp"
 #include "models/Bands.hpp"
+#include "item_delegates/FrequencyDelegate.hpp"
 #include "item_delegates/ForeignKeyDelegate.hpp"
 #include "item_delegates/CallsignDelegate.hpp"
 #include "pimpl_impl.hpp"
@@ -29,7 +31,7 @@ namespace
           switch (index.column ())
             {
             case 1:
-            case 6:
+            case 7:
               return Qt::AlignRight + Qt::AlignVCenter;
             default:
               break;
@@ -63,10 +65,10 @@ CabrilloLogWindow::CabrilloLogWindow (QSettings * settings, Configuration const
   m_->format_model_.setSourceModel (m_->log_model_);
   m_->ui_.log_table_view->setModel (&m_->format_model_);
   set_log_view (m_->ui_.log_table_view);
-  m_->ui_.log_table_view->setItemDelegateForColumn (3, new CallsignDelegate {this});
-  m_->ui_.log_table_view->setItemDelegateForColumn (6, new ForeignKeyDelegate {configuration->bands (), 0, this});
+  m_->ui_.log_table_view->setItemDelegateForColumn (1, new FrequencyDelegate {this});
+  m_->ui_.log_table_view->setItemDelegateForColumn (4, new CallsignDelegate {this});
   auto h_header = m_->ui_.log_table_view->horizontalHeader ();
-  h_header->moveSection (6, 1); // band to first column
+  h_header->moveSection (7, 1); // band to first column
 }
 
 CabrilloLogWindow::~CabrilloLogWindow ()

widgets/FrequencyDeltaLineEdit.cpp

@@ -0,0 +1,54 @@
+#include "FrequencyDeltaLineEdit.hpp"
+
+#include <limits>
+
+#include <QDoubleValidator>
+#include <QString>
+#include <QLocale>
+
+#include "moc_FrequencyDeltaLineEdit.cpp"
+
+namespace
+{
+  class MHzValidator
+    : public QDoubleValidator
+  {
+  public:
+    MHzValidator (double bottom, double top, QObject * parent = nullptr)
+      : QDoubleValidator {bottom, top, 6, parent}
+    {
+    }
+
+    State validate (QString& input, int& pos) const override
+    {
+      State result = QDoubleValidator::validate (input, pos);
+      if (Acceptable == result)
+        {
+          bool ok;
+          (void)QLocale {}.toDouble (input, &ok);
+          if (!ok)
+            {
+              result = Intermediate;
+            }
+        }
+      return result;
+    }
+  };
+}
+
+FrequencyDeltaLineEdit::FrequencyDeltaLineEdit (QWidget * parent)
+  : QLineEdit (parent)
+{
+  setValidator (new MHzValidator {-std::numeric_limits<FrequencyDelta>::max () / 10.e6,
+        std::numeric_limits<FrequencyDelta>::max () / 10.e6, this});
+}
+
+auto FrequencyDeltaLineEdit::frequency_delta () const -> FrequencyDelta
+{
+  return Radio::frequency_delta (text (), 6);
+}
+
+void FrequencyDeltaLineEdit::frequency_delta (FrequencyDelta d)
+{
+  setText (Radio::frequency_MHz_string (d));
+}

widgets/FrequencyDeltaLineEdit.hpp

@@ -0,0 +1,29 @@
+#ifndef FREQUENCY_DELTA_LINE_EDIT_HPP_
+#define FREQUENCY_DELTA_LINE_EDIT_HPP_
+
+#include <QLineEdit>
+
+#include "Radio.hpp"
+
+class QWidget;
+
+//
+// MHz frequency delta line edit with validation
+//
+class FrequencyDeltaLineEdit final
+  : public QLineEdit
+{
+  Q_OBJECT;
+  Q_PROPERTY (FrequencyDelta frequency_delta READ frequency_delta WRITE frequency_delta USER true);
+
+public:
+  using FrequencyDelta = Radio::FrequencyDelta;
+
+  explicit FrequencyDeltaLineEdit (QWidget * parent = nullptr);
+
+  // Property frequency_delta implementation
+  FrequencyDelta frequency_delta () const;
+  void frequency_delta (FrequencyDelta);
+};
+
+#endif

widgets/FrequencyLineEdit.cpp

@@ -51,21 +51,3 @@ void FrequencyLineEdit::frequency (Frequency f)
 {
   setText (Radio::frequency_MHz_string (f));
 }
-
-
-FrequencyDeltaLineEdit::FrequencyDeltaLineEdit (QWidget * parent)
-  : QLineEdit (parent)
-{
-  setValidator (new MHzValidator {-std::numeric_limits<FrequencyDelta>::max () / 10.e6,
-        std::numeric_limits<FrequencyDelta>::max () / 10.e6, this});
-}
-
-auto FrequencyDeltaLineEdit::frequency_delta () const -> FrequencyDelta
-{
-  return Radio::frequency_delta (text (), 6);
-}
-
-void FrequencyDeltaLineEdit::frequency_delta (FrequencyDelta d)
-{
-  setText (Radio::frequency_MHz_string (d));
-}

widgets/FrequencyLineEdit.hpp

@@ -8,7 +8,7 @@
 class QWidget;
 
 //
-// MHz frequency line edits with validation
+// MHz frequency line edit with validation
 //
 class FrequencyLineEdit final
   : public QLineEdit
@@ -26,20 +26,4 @@ public:
   void frequency (Frequency);
 };
 
-class FrequencyDeltaLineEdit final
-  : public QLineEdit
-{
-  Q_OBJECT;
-  Q_PROPERTY (FrequencyDelta frequency_delta READ frequency_delta WRITE frequency_delta USER true);
-
-public:
-  using FrequencyDelta = Radio::FrequencyDelta;
-
-  explicit FrequencyDeltaLineEdit (QWidget * parent = nullptr);
-
-  // Property frequency_delta implementation
-  FrequencyDelta frequency_delta () const;
-  void frequency_delta (FrequencyDelta);
-};
-
 #endif

widgets/displaytext.cpp

@@ -271,7 +271,7 @@ QString DisplayText::appendWorkedB4 (QString message, QString call, QString cons
   if(call.length()<3) return message;
   if(!call.contains(QRegExp("[0-9]|[A-Z]"))) return message;
 
-  auto const& looked_up = logBook.countries ().lookup (call);
+  auto const& looked_up = logBook.countries ()->lookup (call);
   logBook.match (call, currentMode, grid, looked_up, callB4, countryB4, gridB4, continentB4, CQZoneB4, ITUZoneB4);
   logBook.match (call, currentMode, grid, looked_up, callB4onBand, countryB4onBand, gridB4onBand,
                  continentB4onBand, CQZoneB4onBand, ITUZoneB4onBand, currentBand);

widgets/displaytext.h

@@ -65,6 +65,4 @@ private:
   int modified_vertical_scrollbar_max_;
 };
 
-  extern QHash<QString,int> m_LoTW;
-
 #endif // DISPLAYTEXT_H

widgets/logqso.cpp

@@ -157,7 +157,7 @@ void LogQSO::accept()
           return;               // without accepting
         }
 
-      if (!m_log->contest_log ()->add_QSO (m_dialFreq, dateTimeOff, hisCall, xsent, xrcvd))
+      if (!m_log->contest_log ()->add_QSO (m_dialFreq, mode, dateTimeOff, hisCall, xsent, xrcvd))
         {
           show ();
           MessageBox::warning_message (this, tr ("Invalid QSO Data"),

widgets/mainwindow.cpp

@@ -8267,7 +8267,7 @@ void MainWindow::houndCallers()
       if(!ui->textBrowser4->toPlainText().contains(paddedHoundCall)) {
         if(m_loggedByFox[houndCall].contains(m_lastBand))   continue;   //already logged on this band
         if(m_foxQSO.contains(houndCall)) continue;   //still in the QSO map
-        auto const& entity = m_logBook.countries ().lookup (houndCall);
+        auto const& entity = m_logBook.countries ()->lookup (houndCall);
         auto const& continent = AD1CCty::continent (entity.continent);
 
 //If we are using a directed CQ, ignore Hound calls that do not comply.

widgets/widgets.pri

@@ -8,13 +8,14 @@ SOURCES += \
   widgets/fastplot.cpp widgets/MessageBox.cpp \
   widgets/colorhighlighting.cpp widgets/ExportCabrillo.cpp \
   widgets/AbstractLogWindow.cpp \
+  widgets/FrequencyLineEdit.cpp widgets/FrequencyDeltaLineEdit.cpp \
   widgets/FoxLogWindow.cpp widgets/CabrilloLogWindow.cpp
 
 HEADERS  += \
   widgets/mainwindow.h widgets/plotter.h \
   widgets/about.h widgets/widegraph.h  \
   widgets/displaytext.h widgets/logqso.h widgets/LettersSpinBox.hpp \
-  widgets/FrequencyLineEdit.hpp widgets/signalmeter.h \
+  widgets/FrequencyLineEdit.hpp widgets/FrequencyDeltaLineEdit.hpp widgets/signalmeter.h \
   widgets/meterwidget.h widgets/messageaveraging.h \
   widgets/echoplot.h widgets/echograph.h widgets/fastgraph.h \
   widgets/fastplot.h widgets/MessageBox.hpp widgets/colorhighlighting.h \