connect() to ambiguous signals/slots: Replace static_cast with QOverload

Change-Id: I473d7a2a16509cee944a2a21b022a3f6f02cfd8d
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/libs/aggregation/examples/text/main.cpp

@@ -31,7 +31,7 @@ MyMain::MyMain(QWidget *parent, Qt::WFlags flags)
     : QWidget(parent, flags)
 {
     ui.setupUi(this);
-    connect(ui.comboBox, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+    connect(ui.comboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
             this, &MyMain::select);
 }
 

src/libs/qt-breakpad/qtcrashhandler/dumpsender.cpp

@@ -145,8 +145,7 @@ void DumpSender::sendDumpAndQuit()
 
     connect(reply, &QNetworkReply::uploadProgress, this, &DumpSender::uploadProgress);
     connect(reply, &QNetworkReply::finished, QCoreApplication::instance(), &QCoreApplication::quit);
-    connect(reply,
+    connect(reply, QOverload<QNetworkReply::NetworkError>::of(&QNetworkReply::error),
-            static_cast<void (QNetworkReply::*)(QNetworkReply::NetworkError)>(&QNetworkReply::error),
             QCoreApplication::instance(), &QCoreApplication::quit);
 }
 

src/libs/utils/savedaction.cpp

@@ -235,7 +235,7 @@ void SavedAction::connectWidget(QWidget *widget, ApplyMode applyMode)
     } else if (auto spinBox = qobject_cast<QSpinBox *>(widget)) {
         spinBox->setValue(m_value.toInt());
         if (applyMode == ImmediateApply) {
-            connect(spinBox, static_cast<void(QSpinBox::*)(int)>(&QSpinBox::valueChanged),
+            connect(spinBox, QOverload<int>::of(&QSpinBox::valueChanged),
                     this, [this, spinBox]() { setValue(spinBox->value()); });
         }
     } else if (auto lineEdit = qobject_cast<QLineEdit *>(widget)) {

src/plugins/beautifier/uncrustify/uncrustifysettings.cpp

@@ -56,8 +56,7 @@ const char FORMAT_ENTIRE_FILE_FALLBACK[]   = "formatEntireFileFallback";
 UncrustifySettings::UncrustifySettings() :
     AbstractSettings(Constants::Uncrustify::SETTINGS_NAME, ".cfg")
 {
-    connect(&m_versionProcess,
+    connect(&m_versionProcess, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished),
-            static_cast<void(QProcess::*)(int, QProcess::ExitStatus)>(&QProcess::finished),
             this, &UncrustifySettings::parseVersionProcessResult);
 
     setCommand("uncrustify");

src/plugins/cmakeprojectmanager/cmakekitinformation.cpp

@@ -87,7 +87,7 @@ public:
 
         updateComboBox();
         refresh();
-        connect(m_comboBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+        connect(m_comboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
                 this, &CMakeKitAspectWidget::currentCMakeToolChanged);
 
         m_manageButton->setContentsMargins(0, 0, 0, 0);

src/plugins/cmakeprojectmanager/servermode.cpp

@@ -118,7 +118,7 @@ ServerMode::ServerMode(const Environment &env,
 
     connect(m_cmakeProcess.get(), &QtcProcess::started, this, [this]() { m_connectionTimer.start(); });
     connect(m_cmakeProcess.get(),
-            static_cast<void(QtcProcess::*)(int, QProcess::ExitStatus)>(&QtcProcess::finished),
+            QOverload<int, QProcess::ExitStatus>::of(&QtcProcess::finished),
             this, &ServerMode::handleCMakeFinished);
 
     QString argumentString;
@@ -211,7 +211,7 @@ void ServerMode::connectToServer()
 
     auto socket = new QLocalSocket(m_cmakeProcess.get());
     connect(socket, &QLocalSocket::readyRead, this, &ServerMode::handleRawCMakeServerData);
-    connect(socket, static_cast<void(QLocalSocket::*)(QLocalSocket::LocalSocketError)>(&QLocalSocket::error),
+    connect(socket, QOverload<QLocalSocket::LocalSocketError>::of(&QLocalSocket::error),
             this, [this, socket]() {
         reportError(socket->errorString());
         m_cmakeSocket = nullptr;

src/plugins/cmakeprojectmanager/tealeafreader.cpp

@@ -498,7 +498,7 @@ void TeaLeafReader::startCMake(const QStringList &configurationArguments)
             this, &TeaLeafReader::processCMakeOutput);
     connect(m_cmakeProcess, &QProcess::readyReadStandardError,
             this, &TeaLeafReader::processCMakeError);
-    connect(m_cmakeProcess, static_cast<void(QProcess::*)(int,  QProcess::ExitStatus)>(&QProcess::finished),
+    connect(m_cmakeProcess, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished),
             this, &TeaLeafReader::cmakeFinished);
 
     QString args;

src/plugins/cpptools/clangdiagnosticconfigsselectionwidget.cpp

@@ -68,10 +68,8 @@ Core::Id ClangDiagnosticConfigsSelectionWidget::currentConfigId() const
 void ClangDiagnosticConfigsSelectionWidget::connectToCurrentIndexChanged()
 {
     m_currentIndexChangedConnection
-            = connect(m_selectionComboBox,
+            = connect(m_selectionComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
-                      static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+                      this, [this]() { emit currentConfigChanged(currentConfigId()); });
-                      this,
-                      [this]() { emit currentConfigChanged(currentConfigId()); });
 }
 
 void ClangDiagnosticConfigsSelectionWidget::disconnectFromCurrentIndexChanged()

src/plugins/debugger/breakhandler.cpp

@@ -541,7 +541,7 @@ BreakpointDialog::BreakpointDialog(unsigned int enabledParts, QWidget *parent)
     verticalLayout->addWidget(m_buttonBox);
     verticalLayout->setStretchFactor(groupBoxAdvanced, 10);
 
-    connect(m_comboBoxType, static_cast<void(QComboBox::*)(int)>(&QComboBox::activated),
+    connect(m_comboBoxType, QOverload<int>::of(&QComboBox::activated),
             this, &BreakpointDialog::typeChanged);
     connect(m_buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
     connect(m_buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);

src/plugins/debugger/cdb/cdbengine.cpp

@@ -203,7 +203,7 @@ CdbEngine::CdbEngine() :
 
     connect(action(CreateFullBacktrace), &QAction::triggered,
             this, &CdbEngine::createFullBacktrace);
-    connect(&m_process, static_cast<void(QProcess::*)(int, QProcess::ExitStatus)>(&QProcess::finished),
+    connect(&m_process, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished),
             this, &CdbEngine::processFinished);
     connect(&m_process, &QProcess::errorOccurred, this, &CdbEngine::processError);
     connect(&m_process, &QProcess::readyReadStandardOutput,

src/plugins/debugger/debuggerdialogs.cpp

@@ -326,7 +326,7 @@ StartApplicationDialog::StartApplicationDialog(QWidget *parent)
             this, &StartApplicationDialog::updateState);
     connect(d->buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
     connect(d->buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
-    connect(d->historyComboBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+    connect(d->historyComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
             this, &StartApplicationDialog::historyIndexChanged);
 
     connect(d->channelOverrideEdit, &QLineEdit::textChanged,

src/plugins/debugger/debuggerrunconfigurationaspect.cpp

@@ -121,7 +121,7 @@ DebuggerRunConfigWidget::DebuggerRunConfigWidget(DebuggerRunConfigurationAspect
             this, &DebuggerRunConfigWidget::useQmlDebuggerClicked);
     connect(m_useCppDebugger, &QAbstractButton::clicked,
             this, &DebuggerRunConfigWidget::useCppDebuggerClicked);
-    connect(m_debugServerPort, static_cast<void(QSpinBox::*)(int)>(&QSpinBox::valueChanged),
+    connect(m_debugServerPort, QOverload<int>::of(&QSpinBox::valueChanged),
             this, &DebuggerRunConfigWidget::qmlDebugServerPortChanged);
     connect(m_useMultiProcess, &QAbstractButton::toggled,
             this, &DebuggerRunConfigWidget::useMultiProcessToggled);

src/plugins/debugger/enginemanager.cpp

@@ -145,7 +145,7 @@ public:
         if (hideSwitcherUnlessNeeded)
             m_engineChooser->hide();
 
-        connect(m_engineChooser, static_cast<void(QComboBox::*)(int)>(&QComboBox::activated),
+        connect(m_engineChooser, QOverload<int>::of(&QComboBox::activated),
                 this, &EngineManagerPrivate::activateEngineByIndex);
     }
 

src/plugins/debugger/pdb/pdbengine.cpp

@@ -118,7 +118,7 @@ void PdbEngine::setupEngine()
     QString bridge = ICore::resourcePath() + "/debugger/pdbbridge.py";
 
     connect(&m_proc, &QProcess::errorOccurred, this, &PdbEngine::handlePdbError);
-    connect(&m_proc, static_cast<void(QProcess::*)(int,QProcess::ExitStatus)>(&QProcess::finished),
+    connect(&m_proc, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished),
         this, &PdbEngine::handlePdbFinished);
     connect(&m_proc, &QProcess::readyReadStandardOutput,
         this, &PdbEngine::readPdbStandardOutput);

src/plugins/fakevim/fakevimplugin.cpp

@@ -245,7 +245,7 @@ public:
         connect(&m_timerUpdate, &QTimer::timeout,
                 this, &RelativeNumbersColumn::followEditorLayout);
 
-        auto start = static_cast<void(QTimer::*)()>(&QTimer::start);
+        auto start = QOverload<>::of(&QTimer::start);
         connect(m_editor, &QPlainTextEdit::cursorPositionChanged,
                 &m_timerUpdate, start);
         connect(m_editor->verticalScrollBar(), &QAbstractSlider::valueChanged,

src/plugins/help/generalsettingspage.cpp

@@ -81,14 +81,14 @@ QWidget *GeneralSettingsPage::widget()
             updateFont(); // changes that might have happened when updating the selectors
         });
 
-        connect(m_ui->styleComboBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+        connect(m_ui->styleComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
                 this, [this]() {
             updateFont();
             updateFontSizeSelector();
             updateFont(); // changes that might have happened when updating the selectors
         });
 
-        connect(m_ui->sizeComboBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+        connect(m_ui->sizeComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
                 this, &GeneralSettingsPage::updateFont);
 
         m_homePage = LocalHelpManager::homePage();

src/plugins/imageviewer/exportdialog.cpp

@@ -88,8 +88,6 @@ ExportDialog::ExportDialog(QWidget *parent)
     , m_heightSpinBox(new QSpinBox(this))
     , m_aspectRatio(1)
 {
-    using QSpinBoxIntSignal = void (QSpinBox::*)(int);
-
     setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
 
     auto formLayout = new QFormLayout(this);
@@ -102,14 +100,14 @@ ExportDialog::ExportDialog(QWidget *parent)
     auto sizeLayout = new QHBoxLayout;
     m_widthSpinBox->setMinimum(exportMinimumSize);
     m_widthSpinBox->setMaximum(exportMaximumSize);
-    connect(m_widthSpinBox, static_cast<QSpinBoxIntSignal>(&QSpinBox::valueChanged),
+    connect(m_widthSpinBox, QOverload<int>::of(&QSpinBox::valueChanged),
             this, &ExportDialog::exportWidthChanged);
     sizeLayout->addWidget(m_widthSpinBox);
     //: Multiplication, as in 32x32
     sizeLayout->addWidget(new QLabel(tr("x")));
     m_heightSpinBox->setMinimum(exportMinimumSize);
     m_heightSpinBox->setMaximum(exportMaximumSize);
-    connect(m_heightSpinBox, static_cast<QSpinBoxIntSignal>(&QSpinBox::valueChanged),
+    connect(m_heightSpinBox, QOverload<int>::of(&QSpinBox::valueChanged),
             this, &ExportDialog::exportHeightChanged);
     sizeLayout->addWidget(m_heightSpinBox);
     auto resetButton = new QToolButton(this);

src/plugins/ios/createsimulatordialog.cpp

@@ -53,7 +53,7 @@ CreateSimulatorDialog::CreateSimulatorDialog(QWidget *parent) :
                     m_ui->runtimeCombo->currentIndex() > 0);
     };
 
-    const auto indexChanged = static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged);
+    const auto indexChanged = QOverload<int>::of(&QComboBox::currentIndexChanged);
     connect(m_ui->nameEdit, &QLineEdit::textChanged, enableOk);
     connect(m_ui->runtimeCombo, indexChanged, enableOk);
     connect(m_ui->deviceTypeCombo, indexChanged, [this, enableOk]() {

src/plugins/ios/iosbuildconfiguration.cpp

@@ -171,7 +171,7 @@ IosBuildSettingsWidget::IosBuildSettingsWidget(IosBuildConfiguration *bc)
     if (m_isDevice) {
         connect(IosConfigurations::instance(), &IosConfigurations::provisioningDataChanged,
                 this, &IosBuildSettingsWidget::populateDevelopmentTeams);
-        connect(m_signEntityCombo, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+        connect(m_signEntityCombo, QOverload<int>::of(&QComboBox::currentIndexChanged),
                 this, &IosBuildSettingsWidget::onSigningEntityComboIndexChanged);
         connect(m_autoSignCheckbox, &QCheckBox::toggled,
                 this, &IosBuildSettingsWidget::configureSigningUi);

src/plugins/ios/iosrunconfiguration.cpp

@@ -332,7 +332,7 @@ void IosDeviceTypeAspect::addToConfigurationLayout(QFormLayout *layout)
 
     updateValues();
 
-    connect(m_deviceTypeComboBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+    connect(m_deviceTypeComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
             this, &IosDeviceTypeAspect::setDeviceTypeIndex);
 }
 

src/plugins/nim/project/nimcompilerbuildstepconfigwidget.cpp

@@ -60,11 +60,11 @@ NimCompilerBuildStepConfigWidget::NimCompilerBuildStepConfigWidget(NimCompilerBu
             this, &NimCompilerBuildStepConfigWidget::updateUi);
 
     // Connect UI signals
-    connect(m_ui->targetComboBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::activated),
+    connect(m_ui->targetComboBox, QOverload<int>::of(&QComboBox::activated),
             this, &NimCompilerBuildStepConfigWidget::onTargetChanged);
     connect(m_ui->additionalArgumentsLineEdit, &QLineEdit::textEdited,
             this, &NimCompilerBuildStepConfigWidget::onAdditionalArgumentsTextEdited);
-    connect(m_ui->defaultArgumentsComboBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::activated),
+    connect(m_ui->defaultArgumentsComboBox, QOverload<int>::of(&QComboBox::activated),
             this, &NimCompilerBuildStepConfigWidget::onDefaultArgumentsComboBoxIndexChanged);
 
     updateUi();

src/plugins/nim/suggest/server.cpp

@@ -30,8 +30,8 @@ namespace Suggest {
 
 NimSuggestServer::NimSuggestServer(QObject *parent) : QObject(parent)
 {
-    connect(&m_process, static_cast<void(QProcess::*)(int, QProcess::ExitStatus)>
+    connect(&m_process, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished),
-            (&QProcess::finished), this, &NimSuggestServer::onFinished);
+            this, &NimSuggestServer::onFinished);
     connect(&m_process, &QProcess::started, this, &NimSuggestServer::onStarted);
     connect(&m_process, &QProcess::readyReadStandardOutput, this,
             &NimSuggestServer::onStandardOutputAvailable);
@@ -69,8 +69,8 @@ bool NimSuggestServer::start(const QString &executablePath,
 
 void NimSuggestServer::kill()
 {
-    disconnect(&m_process, static_cast<void(QProcess::*)(int, QProcess::ExitStatus)>
+    disconnect(&m_process, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished),
-               (&QProcess::finished), this, &NimSuggestServer::onFinished);
+               this, &NimSuggestServer::onFinished);
     m_process.kill();
     m_process.waitForFinished();
     clearState();

src/plugins/perfprofiler/perfconfigwidget.cpp

@@ -76,8 +76,7 @@ PerfConfigWidget::PerfConfigWidget(PerfSettings *settings, QWidget *parent) :
     m_ui->sampleMode->addItem(tr("frequency (Hz)"), QLatin1String(Constants::PerfSampleFrequency));
     m_ui->sampleMode->addItem(tr("event count"), QLatin1String(Constants::PerfSampleCount));
 
-    auto comboboxChangedSignal
+    auto comboboxChangedSignal = QOverload<int>::of(&QComboBox::currentIndexChanged);
-            = static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged);
     connect(m_ui->callgraphMode, comboboxChangedSignal, this, [this](int index) {
         QString mode = m_ui->callgraphMode->itemData(index).toString();
         m_settings->setCallgraphMode(mode);

src/plugins/projectexplorer/jsonwizard/jsonfieldpage.cpp

@@ -1007,7 +1007,7 @@ void ComboBoxField::setup(JsonFieldPage *page, const QString &name)
     // the selectionModel does not behave like expected and wanted - so we block signals here
     // (for example there was some losing focus thing when hovering over items, ...)
     selectionModel()->blockSignals(true);
-    QObject::connect(w, static_cast<void(QComboBox::*)(int)>(&QComboBox::activated), [w, this](int index) {
+    QObject::connect(w, QOverload<int>::of(&QComboBox::activated), [w, this](int index) {
         w->blockSignals(true);
         selectionModel()->clearSelection();
 

src/plugins/projectexplorer/projectwindow.cpp

@@ -376,7 +376,7 @@ public:
 
         m_projectSelection = new QComboBox;
         m_projectSelection->setModel(&m_comboBoxModel);
-        connect(m_projectSelection, static_cast<void(QComboBox::*)(int)>(&QComboBox::activated),
+        connect(m_projectSelection, QOverload<int>::of(&QComboBox::activated),
                 this, &ProjectWindowPrivate::projectSelected, Qt::QueuedConnection);
 
         SessionManager *sessionManager = SessionManager::instance();

src/plugins/qmldesigner/components/componentcore/zoomaction.cpp

@@ -104,7 +104,7 @@ QWidget *ZoomAction::createWidget(QWidget *parent)
         comboBox->setCurrentIndex(m_currentComboBoxIndex);
         blockSignals(false);
     });
-    connect(comboBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+    connect(comboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
             [this, comboBox](int index) {
         m_currentComboBoxIndex = index;
 

src/plugins/qmldesigner/components/formeditor/numberseriesaction.cpp

@@ -59,7 +59,7 @@ QWidget *NumberSeriesAction::createWidget(QWidget *parent)
     comboBox->setModel(m_comboBoxModel.data());
 
     comboBox->setCurrentIndex(m_comboBoxModelIndex);
-    connect(comboBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+    connect(comboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
             this, &NumberSeriesAction::emitValueChanged);
 
     return comboBox;

src/plugins/qmldesigner/components/importmanager/importswidget.cpp

@@ -39,7 +39,7 @@ ImportsWidget::ImportsWidget(QWidget *parent) :
 {
     setWindowTitle(tr("Import Manager"));
     m_addImportComboBox = new ImportManagerComboBox(this);
-    connect(m_addImportComboBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::activated),
+    connect(m_addImportComboBox, QOverload<int>::of(&QComboBox::activated),
             this, &ImportsWidget::addSelectedImport);
 }
 

src/plugins/qmldesigner/components/integration/componentaction.cpp

@@ -53,7 +53,7 @@ QWidget *ComponentAction::createWidget(QWidget *parent)
     comboBox->setToolTip(tr("Edit sub components defined in this file."));
     comboBox->setModel(m_componentView->standardItemModel());
     comboBox->setCurrentIndex(-1);
-    connect(comboBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::activated),
+    connect(comboBox, QOverload<int>::of(&QComboBox::activated),
             this, &ComponentAction::emitCurrentComponentChanged);
     connect(this, &ComponentAction::currentIndexChanged, comboBox, &QComboBox::setCurrentIndex);
 

src/plugins/qnx/qnxsettingswidget.cpp

@@ -49,7 +49,7 @@ QnxSettingsWidget::QnxSettingsWidget(QWidget *parent) :
             this, &QnxSettingsWidget::addConfiguration);
     connect(m_ui->removeButton, &QAbstractButton::clicked,
             this, &QnxSettingsWidget::removeConfiguration);
-    connect(m_ui->configsCombo, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+    connect(m_ui->configsCombo, QOverload<int>::of(&QComboBox::currentIndexChanged),
             this, &QnxSettingsWidget::updateInformation);
     connect(m_ui->generateKitsCheckBox, &QAbstractButton::toggled,
             this, &QnxSettingsWidget::generateKits);

src/plugins/qtsupport/gettingstartedwelcomepage.cpp

@@ -644,7 +644,7 @@ public:
             ExampleSetModel *exampleSetModel = m_examplesModel->exampleSetModel();
             exampleSetSelector->setModel(exampleSetModel);
             exampleSetSelector->setCurrentIndex(exampleSetModel->selectedExampleSet());
-            connect(exampleSetSelector, static_cast<void(QComboBox::*)(int)>(&QComboBox::activated),
+            connect(exampleSetSelector, QOverload<int>::of(&QComboBox::activated),
                     exampleSetModel, &ExampleSetModel::selectExampleSet);
             connect(exampleSetModel, &ExampleSetModel::selectedExampleSetChanged,
                     exampleSetSelector, &QComboBox::setCurrentIndex);

src/plugins/texteditor/completionsettingspage.cpp

@@ -60,8 +60,7 @@ QWidget *CompletionSettingsPage::widget()
         m_page = new Ui::CompletionSettingsPage;
         m_page->setupUi(m_widget);
 
-        connect(m_page->completionTrigger,
+        connect(m_page->completionTrigger, QOverload<int>::of(&QComboBox::currentIndexChanged),
-                static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
                 this, &CompletionSettingsPage::onCompletionTriggerChanged);
 
         int caseSensitivityIndex = 0;

src/plugins/valgrind/callgrindtool.cpp

@@ -509,7 +509,7 @@ CallgrindToolPrivate::CallgrindToolPrivate()
     m_searchFilter = new QLineEdit;
     m_searchFilter->setPlaceholderText(CallgrindTool::tr("Filter..."));
     connect(m_searchFilter, &QLineEdit::textChanged,
-            &m_updateTimer, static_cast<void(QTimer::*)()>(&QTimer::start));
+            &m_updateTimer, QOverload<>::of(&QTimer::start));
 
     setCostFormat(settings->costFormat());
     enableCycleDetection(settings->detectCycles());

tests/auto/valgrind/callgrind/modeltest.cpp

@@ -85,7 +85,7 @@ ModelTestWidget::ModelTestWidget(CallgrindWidgetHandler *handler)
     m_format->addItem("absolute", CostDelegate::FormatAbsolute);
     m_format->addItem("relative", CostDelegate::FormatRelative);
     m_format->addItem("rel. to parent", CostDelegate::FormatRelativeToParent);
-    connect(m_format, static_cast<void (QComboBox::*)(int)>(&QComboBox::activated),
+    connect(m_format, QOverload<int>::of(&QComboBox::activated),
             this, &ModelTestWidget::formatChanged);
     h->addWidget(m_format);