Use qOverload directly

CMakeLists.txt

@@ -70,7 +70,7 @@ else()
    add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x060000)
 endif()
 add_definitions(-DQT_NO_FOREACH)
-
+set(CMAKE_CXX_STANDARD 14)
 ########### CMake Config Files ###########
 set(CMAKECONFIG_INSTALL_DIR "${KDE_INSTALL_CMAKEPACKAGEDIR}/KF5Libkdepim")
 

src/libkdepim/ldap/kcmldap.cpp

@@ -52,7 +52,7 @@ KCMLdap::KCMLdap(QWidget *parent, const QVariantList &)
     mLdapConfigureWidget = new KLDAP::LdapConfigureWidget(this);
     layout->addWidget(mLdapConfigureWidget);
 
-    connect(mLdapConfigureWidget, &KLDAP::LdapConfigureWidget::changed, this, QOverload<bool>::of(&KCMLdap::changed));
+    connect(mLdapConfigureWidget, &KLDAP::LdapConfigureWidget::changed, this, qOverload<bool>(&KCMLdap::changed));
 }
 
 KCMLdap::~KCMLdap()

src/libkdepim/ldap/ldapclientsearch.cpp

@@ -195,7 +195,7 @@ void LdapClientSearch::Private::readConfig()
                        q, [this]() {
                 slotLDAPDone();
             });
-            q->connect(ldapClient, QOverload<const QString &>::of(&LdapClient::error),
+            q->connect(ldapClient, qOverload<const QString &>(&LdapClient::error),
                        q, [this](const QString &str) {
                 slotLDAPError(str);
             });

src/libkdepim/ldap/ldapsearchdialog.cpp

@@ -580,7 +580,7 @@ LdapSearchDialog::LdapSearchDialog(QWidget *parent)
     d->mResultView->verticalHeader()->hide();
     d->mResultView->setSortingEnabled(true);
     d->mResultView->horizontalHeader()->setSortIndicatorShown(true);
-    connect(d->mResultView, QOverload<const QModelIndex &>::of(&QTableView::clicked), this, [this]() {
+    connect(d->mResultView, qOverload<const QModelIndex &>(&QTableView::clicked), this, [this]() {
         d->slotSelectionChanged();
     });
     topLayout->addWidget(d->mResultView);

src/libkdepim/prefs/kprefsdialog.cpp

@@ -148,7 +148,7 @@ KPrefsWidInt::KPrefsWidInt(KConfigSkeleton::ItemInt *item, QWidget *parent)
     if (!mItem->maxValue().isNull()) {
         mSpin->setMaximum(mItem->maxValue().toInt());
     }
-    connect(mSpin, QOverload<int>::of(&QSpinBox::valueChanged), this, &KPrefsWidInt::changed);
+    connect(mSpin, qOverload<int>(&QSpinBox::valueChanged), this, &KPrefsWidInt::changed);
     mLabel->setBuddy(mSpin);
     QString toolTip = mItem->toolTip();
     if (!toolTip.isEmpty()) {
@@ -434,7 +434,7 @@ KPrefsWidRadios::KPrefsWidRadios(KConfigSkeleton::ItemEnum *item, QWidget *paren
     mBox = new QGroupBox(mItem->label(), parent);
     new QVBoxLayout(mBox);
     mGroup = new QButtonGroup(parent);
-    connect(mGroup, QOverload<int>::of(&QButtonGroup::buttonClicked), this, &KPrefsWidRadios::changed);
+    connect(mGroup, qOverload<int>(&QButtonGroup::buttonClicked), this, &KPrefsWidRadios::changed);
 }
 
 KPrefsWidRadios::~KPrefsWidRadios()
@@ -484,7 +484,7 @@ KPrefsWidCombo::KPrefsWidCombo(KConfigSkeleton::ItemEnum *item, QWidget *parent)
 {
     mLabel = new QLabel(mItem->label(), parent);
     mCombo = new KComboBox(parent);
-    connect(mCombo, QOverload<int>::of(&KComboBox::activated), this, &KPrefsWidCombo::changed);
+    connect(mCombo, qOverload<int>(&KComboBox::activated), this, &KPrefsWidCombo::changed);
     mLabel->setBuddy(mCombo);
     QString toolTip = mItem->toolTip();
     if (!toolTip.isEmpty()) {

src/libkdepim/widgets/kcheckcombobox.cpp

@@ -138,7 +138,7 @@ KCheckComboBox::KCheckComboBox(QWidget *parent)
     : KComboBox(parent)
     , d(new KCheckComboBox::Private(this))
 {
-    connect(this, QOverload<int>::of(&KComboBox::activated), this, [this]() {
+    connect(this, qOverload<int>(&KComboBox::activated), this, [this]() {
         d->toggleCheckState();
     });
     connect(model(), &QAbstractItemModel::rowsInserted, this,

src/libkdepimakonadi/addressline/addresslineedit/addresseelineedit_p.cpp

@@ -138,12 +138,12 @@ void AddresseeLineEditPrivate::init()
                     this, &AddresseeLineEditPrivate::slotReturnPressed);
 
             KCompletionBox *box = q->completionBox();
-            connect(box, QOverload<const QString &>::of(&KCompletionBox::activated),
+            connect(box, qOverload<const QString &>(&KCompletionBox::activated),
                     this, &AddresseeLineEditPrivate::slotPopupCompletion);
             connect(box, &KCompletionBox::userCancelled,
                     this, &AddresseeLineEditPrivate::slotUserCancelled);
             connect(AddresseeLineEditManager::self()->ldapTimer(), &QTimer::timeout, this, &AddresseeLineEditPrivate::slotStartLDAPLookup);
-            connect(AddresseeLineEditManager::self()->ldapSearch(), QOverload<const KLDAP::LdapResult::List &>::of(&KLDAP::LdapClientSearch::searchData),
+            connect(AddresseeLineEditManager::self()->ldapSearch(), qOverload<const KLDAP::LdapResult::List &>(&KLDAP::LdapClientSearch::searchData),
                     this, &AddresseeLineEditPrivate::slotLDAPSearchData);
 
             mCompletionInitialized = true;