clean: convert a few trivial old SIGNAL/SLOT to new syntax

src/fulltextsearch.cc

@@ -246,8 +246,8 @@ FullTextSearchDialog::FullTextSearchDialog( QWidget * parent,
 
   connect( this, &QDialog::finished, this, &FullTextSearchDialog::saveData );
 
-  connect( ui.OKButton, SIGNAL( clicked() ), this, SLOT( accept() ) );
+  connect( ui.OKButton, &QPushButton::clicked, this, &QDialog::accept );
-  connect( ui.cancelButton, SIGNAL( clicked() ), this, SLOT( reject() ) );
+  connect( ui.cancelButton, &QPushButton::clicked, this, &QDialog::reject );
 
 
   helpAction.setShortcut( QKeySequence( "F1" ) );

src/ui/articleview.cc

@@ -176,7 +176,7 @@ ArticleView::ArticleView( QWidget * parent, ArticleNetworkAccessManager & nm, Au
 
   connect( webview, &QWidget::customContextMenuRequested, this, &ArticleView::contextMenuRequested );
 
-  connect( webview->page(), SIGNAL( linkHovered( const QString & ) ), this, SLOT( linkHovered( const QString & ) ) );
+  connect( webview->page(), &QWebEnginePage::linkHovered, this, &ArticleView::linkHovered );
 
   connect( webview, &ArticleWebView::doubleClicked, this, &ArticleView::doubleClicked );
 

src/ui/favoritespanewidget.cc

@@ -113,9 +113,9 @@ void FavoritesPaneWidget::setUp( Config::Class * cfg, QMenu * menu )
   connect( m_favoritesTree, &QAbstractItemView::clicked, this, &FavoritesPaneWidget::onItemClicked );
 
   connect( m_favoritesTree->selectionModel(),
-    SIGNAL( selectionChanged( QItemSelection const &, QItemSelection const & ) ),
+           &QItemSelectionModel::selectionChanged,
            this,
-    SLOT( onSelectionChanged( QItemSelection const & ) ) );
+           &FavoritesPaneWidget::onSelectionChanged );
 
   connect( m_favoritesTree, &QWidget::customContextMenuRequested, this, &FavoritesPaneWidget::showCustomMenu );
 }
@@ -196,8 +196,10 @@ void FavoritesPaneWidget::showCustomMenu(QPoint const & pos)
   m_favoritesMenu->exec( m_favoritesTree->mapToGlobal( pos ) );
 }
 
-void FavoritesPaneWidget::onSelectionChanged( QItemSelection const & selection )
+void FavoritesPaneWidget::onSelectionChanged( const QItemSelection & selection, const QItemSelection & deselected )
 {
+  Q_UNUSED( deselected )
+
   if ( m_favoritesTree->selectionModel()->selectedIndexes().size() != 1
        || selection.indexes().isEmpty() )
     return;

src/ui/favoritespanewidget.hh

@@ -68,7 +68,7 @@ protected:
 
 private slots:
   void emitFavoritesItemRequested(QModelIndex const &);
-  void onSelectionChanged(QItemSelection const & selection);
+  void onSelectionChanged( const QItemSelection & selected, const QItemSelection & deselected );
   void onItemClicked(QModelIndex const & idx);
   void showCustomMenu(QPoint const & pos);
   void deleteSelectedItems();

src/ui/historypanewidget.cc

@@ -78,8 +78,10 @@ void HistoryPaneWidget::setUp( Config::Class * cfg,  History * history, QMenu *
   // list selection and keyboard navigation
   connect( m_historyList, &QAbstractItemView::clicked, this, &HistoryPaneWidget::onItemClicked );
   connect( m_history, &History::itemsChanged, this, &HistoryPaneWidget::updateHistoryCounts );
-  connect ( m_historyList->selectionModel(), SIGNAL( selectionChanged ( QItemSelection const & , QItemSelection const & ) ),
+  connect( m_historyList->selectionModel(),
-      this, SLOT( onSelectionChanged( QItemSelection const & ) ) );
+           &QItemSelectionModel::selectionChanged,
+           this,
+           &HistoryPaneWidget::onSelectionChanged );
 
   connect( m_historyList, &QWidget::customContextMenuRequested, this, &HistoryPaneWidget::showCustomMenu );
 
@@ -188,9 +190,9 @@ void HistoryPaneWidget::emitHistoryItemRequested( QModelIndex const & idx )
   }
 }
 
-void HistoryPaneWidget::onSelectionChanged( QItemSelection const & selection )
+void HistoryPaneWidget::onSelectionChanged( const QItemSelection & selection, const QItemSelection & deselected )
 {
-  // qDebug() << "selectionChanged";
+  Q_UNUSED( deselected );
 
   if ( selection.empty() )
     return;

src/ui/historypanewidget.hh

@@ -40,7 +40,7 @@ public slots:
 
 private slots:
   void emitHistoryItemRequested(QModelIndex const &);
-  void onSelectionChanged(QItemSelection const & selection);
+  void onSelectionChanged( const QItemSelection & selection, const QItemSelection & deselected );
   void onItemClicked(QModelIndex const & idx);
   void showCustomMenu(QPoint const & pos);
   void deleteSelectedItems();

src/ui/orderandprops.cc

@@ -108,8 +108,10 @@ OrderAndProps::OrderAndProps( QWidget * parent,
   connect( ui.dictionaryOrder, &DictListWidget::gotFocus, this, &OrderAndProps::dictListFocused );
   connect( ui.inactiveDictionaries, &DictListWidget::gotFocus, this, &OrderAndProps::inactiveDictListFocused );
 
-  connect ( ui.dictionaryOrder->selectionModel(), SIGNAL( selectionChanged ( const QItemSelection & , const QItemSelection & ) ),
+  connect( ui.dictionaryOrder->selectionModel(),
-      this, SLOT( dictionarySelectionChanged( const QItemSelection & ) ) );
+           &QItemSelectionModel::selectionChanged,
+           this,
+           &OrderAndProps::dictionarySelectionChanged );
   connect( ui.inactiveDictionaries->selectionModel(),
     &QItemSelectionModel::selectionChanged,
     this,
@@ -158,8 +160,10 @@ void OrderAndProps::inactiveDictListFocused()
   describeDictionary( ui.inactiveDictionaries, ui.inactiveDictionaries->currentIndex() );
 }
 
-void OrderAndProps::dictionarySelectionChanged( const QItemSelection & current )
+void OrderAndProps::dictionarySelectionChanged( const QItemSelection & current, const QItemSelection & deselected )
 {
+  Q_UNUSED( deselected )
+
   if ( current.empty() )
     return;
 

src/ui/orderandprops.hh

@@ -22,8 +22,7 @@ public:
   Config::Group getCurrentInactiveDictionaries() const;
 
 private slots:
-
+  void dictionarySelectionChanged( const QItemSelection & current, const QItemSelection & deselected );
-  void dictionarySelectionChanged( const QItemSelection &current );
   void inactiveDictionarySelectionChanged( const QItemSelection &current );
   void contextMenuRequested( const QPoint & pos );
   void filterChanged( QString const & filterText );