Try adding a lineEdit to display number of QSOs in the contest log. Not quite right, yet.

models/CabrilloLog.cpp

@@ -258,6 +258,11 @@ bool CabrilloLog::dupe (Frequency frequency, QString const& call) const
   return false;
 }
 
+int CabrilloLog::n_qso()
+{
+  return m_->rowCount();
+}
+
 void CabrilloLog::reset ()
 {
   // synchronize model

models/CabrilloLog.hpp

@@ -31,6 +31,7 @@ public:
   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;
+  int n_qso();
 
   QSqlTableModel * model ();
   void reset ();

widgets/CabrilloLogWindow.cpp

@@ -89,3 +89,10 @@ void CabrilloLogWindow::log_model_changed (int row)
       m_->log_model_->select ();
     }
 }
+
+void CabrilloLogWindow::set_nQSO(int n)
+{
+  QString t;
+  t=t.asprintf("%d  QSOs",n);
+  m_->ui_.nQSO_lineEdit->setText(t);
+}

widgets/CabrilloLogWindow.hpp

@@ -16,6 +16,7 @@ public:
   explicit CabrilloLogWindow (QSettings *, Configuration const *, QSqlTableModel * cabrillo_log_model
                               , QWidget * parent = nullptr);
   ~CabrilloLogWindow ();
+  void set_nQSO(int n);
 
 private:
   void log_model_changed (int row) override;

widgets/CabrilloLogWindow.ui

@@ -27,6 +27,22 @@
      </attribute>
     </widget>
    </item>
+   <item>
+    <widget class="QLineEdit" name="nQSO_lineEdit">
+     <property name="maximumSize">
+      <size>
+       <width>100</width>
+       <height>16777215</height>
+      </size>
+     </property>
+     <property name="text">
+      <string>0  QSOs</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+     </property>
+    </widget>
+   </item>
   </layout>
  </widget>
  <resources/>

widgets/mainwindow.cpp

@@ -1423,6 +1423,7 @@ void MainWindow::setDecodedTextFont (QFont const& font)
   }
   if (m_contestLogWindow) {
     m_contestLogWindow->set_log_view_font (font);
+    m_contestLogWindow->set_nQSO(m_logBook.contest_log()->n_qso());
   }
   if(m_ActiveStationsWidget != NULL) {
     m_ActiveStationsWidget->changeFont(font);
@@ -2778,6 +2779,7 @@ void MainWindow::on_contest_log_action_triggered()
   m_contestLogWindow->showNormal ();
   m_contestLogWindow->raise ();
   m_contestLogWindow->activateWindow ();
+  m_contestLogWindow->set_nQSO(m_logBook.contest_log()->n_qso());
 }
 
 void MainWindow::on_actionColors_triggered()
@@ -4676,6 +4678,7 @@ void MainWindow::guiUpdate()
 //Once per second (onesec)
   if(nsec != m_sec0) {
 //    qDebug() << "AAA" << nsec;
+    m_contestLogWindow->set_nQSO(m_logBook.contest_log()->n_qso());
 
     if(m_mode=="FST4") chk_FST4_freq_range();
     m_currentBand=m_config.bands()->find(m_freqNominal);
@@ -6374,6 +6377,9 @@ void MainWindow::acceptQSO (QDateTime const& QSO_date_off, QString const& call,
 
   m_xSent.clear ();
   m_xRcvd.clear ();
+  if(m_contestLogWindow) {
+    m_contestLogWindow->set_nQSO(m_logBook.contest_log()->n_qso());
+  }
 }
 
 void MainWindow::updateRate()