Port to new connect api

src/folder/folderselectiondialog.cpp

@@ -130,8 +130,8 @@ FolderSelectionDialog::FolderSelectionDialog(QWidget *parent, SelectionFolderOpt
     connect(d->folderTreeWidget->folderTreeWidgetProxyModel(), &QAbstractItemModel::rowsInserted,
             this, &FolderSelectionDialog::rowsInserted);
 
-    connect(d->folderTreeWidget->folderTreeView(), SIGNAL(doubleClicked(QModelIndex)),
-            this, SLOT(slotDoubleClick(QModelIndex)));
+    connect(d->folderTreeWidget->folderTreeView(), QOverload<const QModelIndex &>::of(&QAbstractItemView::doubleClicked),
+            this, &FolderSelectionDialog::slotDoubleClick);
 
     d->mUseGlobalSettings = !(options & NotUseGlobalSettings);
     readConfig();

src/folder/foldersettings.cpp

@@ -71,8 +71,8 @@ FolderSettings::FolderSettings(const Akonadi::Collection &col, bool writeconfig)
     mIdentity = KernelIf->identityManager()->defaultIdentity().uoid();
 
     readConfig();
-    connect(KernelIf->identityManager(), SIGNAL(changed()),
-            this, SLOT(slotIdentitiesChanged()));
+    connect(KernelIf->identityManager(), QOverload<>::of(&KIdentityManagement::IdentityManager::changed),
+            this, &FolderSettings::slotIdentitiesChanged);
 }
 
 FolderSettings::~FolderSettings()

src/search/searchpatternedit.cpp

@@ -642,8 +642,8 @@ void SearchPatternEdit::initLayout(SearchPatternEditOptions options, SearchModeT
     }
 
     //------------connect a few signals
-    connect(bg, SIGNAL(buttonClicked(QAbstractButton*)),
-            this, SLOT(slotRadioClicked(QAbstractButton*)));
+    connect(bg, QOverload<QAbstractButton*>::of(&QButtonGroup::buttonClicked),
+            this, &SearchPatternEdit::slotRadioClicked);
 
     //------------the list of SearchRuleWidget's
     mRuleLister