Qt: use new signal slot syntax (#20783)

* new signal slot syntax

continue

* continue

selfdrive/ui/qt/api.cc

@@ -79,7 +79,7 @@ HttpRequest::HttpRequest(QObject *parent, const QString &requestURL, const QStri
   networkTimer = new QTimer(this);
   networkTimer->setSingleShot(true);
   networkTimer->setInterval(20000);
-  connect(networkTimer, SIGNAL(timeout()), this, SLOT(requestTimeout()));
+  connect(networkTimer, &QTimer::timeout, this, &HttpRequest::requestTimeout);
 
   sendRequest(requestURL);
 
@@ -114,7 +114,7 @@ void HttpRequest::sendRequest(const QString &requestURL){
   reply = networkAccessManager->get(request);
 
   networkTimer->start();
-  connect(reply, SIGNAL(finished()), this, SLOT(requestFinished()));
+  connect(reply, &QNetworkReply::finished, this, &HttpRequest::requestFinished);
 }
 
 void HttpRequest::requestTimeout(){

selfdrive/ui/qt/home.cc

@@ -77,7 +77,7 @@ OffroadHome::OffroadHome(QWidget* parent) : QFrame(parent) {
 
   alert_notification = new QPushButton();
   alert_notification->setVisible(false);
-  QObject::connect(alert_notification, SIGNAL(released()), this, SLOT(openAlerts()));
+  QObject::connect(alert_notification, &QPushButton::released, this, &OffroadHome::openAlerts);
   header_layout->addWidget(alert_notification, 0, Qt::AlignHCenter | Qt::AlignRight);
 
   std::string brand = Params().getBool("Passive") ? "dashcam" : "openpilot";
@@ -108,7 +108,7 @@ OffroadHome::OffroadHome(QWidget* parent) : QFrame(parent) {
   center_layout->addWidget(statsAndSetupWidget);
 
   alerts_widget = new OffroadAlert();
-  QObject::connect(alerts_widget, SIGNAL(closeAlerts()), this, SLOT(closeAlerts()));
+  QObject::connect(alerts_widget, &OffroadAlert::closeAlerts, this, &OffroadHome::closeAlerts);
   center_layout->addWidget(alerts_widget);
   center_layout->setAlignment(alerts_widget, Qt::AlignCenter);
 
@@ -116,7 +116,7 @@ OffroadHome::OffroadHome(QWidget* parent) : QFrame(parent) {
 
   // set up refresh timer
   timer = new QTimer(this);
-  QObject::connect(timer, SIGNAL(timeout()), this, SLOT(refresh()));
+  QObject::connect(timer, &QTimer::timeout, this, &OffroadHome::refresh);
   refresh();
   timer->start(10 * 1000);
 

selfdrive/ui/qt/offroad/networking.cc

@@ -31,7 +31,7 @@ Networking::Networking(QWidget* parent, bool show_advanced) : QWidget(parent), s
   setLayout(s);
 
   QTimer* timer = new QTimer(this);
-  QObject::connect(timer, SIGNAL(timeout()), this, SLOT(refresh()));
+  QObject::connect(timer, &QTimer::timeout, this, &Networking::refresh);
   timer->start(5000);
   attemptInitialization();
 }
@@ -44,7 +44,7 @@ void Networking::attemptInitialization(){
     return;
   }
 
-  connect(wifi, SIGNAL(wrongPassword(QString)), this, SLOT(wrongPassword(QString)));
+  connect(wifi, &WifiManager::wrongPassword, this, &Networking::wrongPassword);
 
   QVBoxLayout* vlayout = new QVBoxLayout;
 
@@ -59,7 +59,7 @@ void Networking::attemptInitialization(){
   }
 
   wifiWidget = new WifiUI(this, wifi);
-  connect(wifiWidget, SIGNAL(connectToNetwork(Network)), this, SLOT(connectToNetwork(Network)));
+  connect(wifiWidget, &WifiUI::connectToNetwork, this, &Networking::connectToNetwork);
   vlayout->addWidget(new ScrollView(wifiWidget, this), 1);
 
   QWidget* wifiScreen = new QWidget(this);
@@ -139,7 +139,7 @@ AdvancedNetworking::AdvancedNetworking(QWidget* parent, WifiManager* wifi): QWid
   // Enable tethering layout
   ToggleControl *tetheringToggle = new ToggleControl("Enable Tethering", "", "", wifi->tetheringEnabled());
   vlayout->addWidget(tetheringToggle);
-  QObject::connect(tetheringToggle, SIGNAL(toggleFlipped(bool)), this, SLOT(toggleTethering(bool)));
+  QObject::connect(tetheringToggle, &ToggleControl::toggleFlipped, this, &AdvancedNetworking::toggleTethering);
   vlayout->addWidget(horizontal_line(), 0);
 
   // Change tethering password
@@ -201,7 +201,7 @@ void WifiUI::refresh() {
   clearLayout(vlayout);
 
   connectButtons = new QButtonGroup(this); // TODO check if this is a leak
-  QObject::connect(connectButtons, SIGNAL(buttonClicked(QAbstractButton*)), this, SLOT(handleButton(QAbstractButton*)));
+  QObject::connect(connectButtons, qOverload<QAbstractButton*>(&QButtonGroup::buttonClicked), this, &WifiUI::handleButton);
 
   int i = 0;
   for (Network &network : wifi->seen_networks) {

selfdrive/ui/qt/offroad/onboarding.cc

@@ -80,9 +80,7 @@ TermsPage::TermsPage(QWidget *parent) : QFrame(parent){
   accept_btn = new QPushButton("Scroll to accept");
   accept_btn->setEnabled(false);
   buttons->addWidget(accept_btn);
-  QObject::connect(accept_btn, &QPushButton::released, [=]() {
-    emit acceptedTerms();
-  });
+  QObject::connect(accept_btn, &QPushButton::released, this, &TermsPage::acceptedTerms);
 
   QObject *obj = (QObject*)text->rootObject();
   QObject::connect(obj, SIGNAL(qmlSignal()), SLOT(enableAccept()));

selfdrive/ui/qt/offroad/settings.cc

@@ -285,11 +285,11 @@ SettingsWindow::SettingsWindow(QWidget *parent) : QFrame(parent) {
   close_btn->setFixedSize(200, 200);
   sidebar_layout->addSpacing(45);
   sidebar_layout->addWidget(close_btn, 0, Qt::AlignCenter);
-  QObject::connect(close_btn, SIGNAL(released()), this, SIGNAL(closeSettings()));
+  QObject::connect(close_btn, &QPushButton::released, this, &SettingsWindow::closeSettings);
 
   // setup panels
   DevicePanel *device = new DevicePanel(this);
-  QObject::connect(device, SIGNAL(reviewTrainingGuide()), this, SIGNAL(reviewTrainingGuide()));
+  QObject::connect(device, &DevicePanel::reviewTrainingGuide, this, &SettingsWindow::reviewTrainingGuide);
 
   QPair<QString, QWidget *> panels[] = {
     {"Device", device},

selfdrive/ui/qt/setup/reset.cc

@@ -52,7 +52,7 @@ int main(int argc, char *argv[]) {
 
   QPushButton *cancel_btn = new QPushButton("Cancel");
   btn_layout->addWidget(cancel_btn, 0, Qt::AlignLeft);
-  QObject::connect(cancel_btn, SIGNAL(released()), &a, SLOT(quit()));
+  QObject::connect(cancel_btn, &QPushButton::released, &a, &QApplication::quit);
 
   QPushButton *confirm_btn  = new QPushButton("Confirm");
   btn_layout->addWidget(confirm_btn, 0, Qt::AlignRight);

selfdrive/ui/qt/setup/setup.cc

@@ -63,13 +63,13 @@ QWidget * Setup::build_page(QString title, QWidget *content, bool next, bool pre
   if (prev) {
     QPushButton *back_btn = new QPushButton("Back");
     nav_layout->addWidget(back_btn, 1, Qt::AlignBottom | Qt::AlignLeft);
-    QObject::connect(back_btn, SIGNAL(released()), this, SLOT(prevPage()));
+    QObject::connect(back_btn, &QPushButton::released, this, &Setup::prevPage);
   }
 
   if (next) {
     QPushButton *continue_btn = new QPushButton("Continue");
     nav_layout->addWidget(continue_btn, 0, Qt::AlignBottom | Qt::AlignRight);
-    QObject::connect(continue_btn, SIGNAL(released()), this, SLOT(nextPage()));
+    QObject::connect(continue_btn, &QPushButton::released, this, &Setup:nextPage);
   }
 
   main_layout->addLayout(nav_layout, 0);
@@ -174,7 +174,7 @@ Setup::Setup(QWidget *parent) {
   addWidget(downloading());
   addWidget(download_failed());
 
-  QObject::connect(this, SIGNAL(downloadFailed()), this, SLOT(nextPage()));
+  QObject::connect(this, &Setup::downloadFailed, this, &Setup::nextPage);
 
   setStyleSheet(R"(
     * {

selfdrive/ui/qt/setup/wifi.cc

@@ -22,7 +22,7 @@ WifiSetup::WifiSetup(QWidget *parent) {
   finish_btn->setFixedSize(400, 200);
   main_layout->addWidget(finish_btn, 0, Qt::AlignTop | Qt::AlignLeft);
 
-  QObject::connect(finish_btn, SIGNAL(released()), this, SLOT(finish()));
+  QObject::connect(finish_btn, &QPushButton::released, this, &WifiSetup::finish);
 
   QWidget* n = new Networking(this, true);
 
@@ -40,7 +40,7 @@ WifiSetup::WifiSetup(QWidget *parent) {
 
   setLayout(main_layout);
 
-  QObject::connect(this, SIGNAL(downloadFailed()), this, SLOT(nextPage()));
+  QObject::connect(this, &WifiSetup::downloadFailed, this, &WifiSetup::nextPage);
 
   setStyleSheet(R"(
     * {

selfdrive/ui/qt/spinner.cc

@@ -94,7 +94,7 @@ Spinner::Spinner(QWidget *parent) {
   )");
 
   notifier = new QSocketNotifier(fileno(stdin), QSocketNotifier::Read);
-  QObject::connect(notifier, SIGNAL(activated(int)), this, SLOT(update(int)));
+  QObject::connect(notifier, &QSocketNotifier::activated, this, &Spinner::update);
 };
 
 void Spinner::update(int n) {

selfdrive/ui/qt/text.cc

@@ -40,7 +40,7 @@ int main(int argc, char *argv[]) {
   });
 #else
   btn->setText("Exit");
-  QObject::connect(btn, SIGNAL(released()), &a, SLOT(quit()));
+  QObject::connect(btn, &QPushButton::released, &a, &QApplication::quit);
 #endif
   layout->addWidget(btn, 0, 0, Qt::AlignRight | Qt::AlignBottom);
 

selfdrive/ui/qt/widgets/input.cc

@@ -25,8 +25,8 @@ InputDialog::InputDialog(const QString &prompt_text, QWidget *parent) : QDialog(
     background-color: #444444;
   )");
   header_layout->addWidget(cancel_btn, 0, Qt::AlignRight);
-  QObject::connect(cancel_btn, SIGNAL(released()), this, SLOT(reject()));
-  QObject::connect(cancel_btn, SIGNAL(released()), this, SIGNAL(cancel()));
+  QObject::connect(cancel_btn, &QPushButton::released, this, &InputDialog::reject);
+  QObject::connect(cancel_btn, &QPushButton::released, this, &InputDialog::cancel);
 
   layout->addLayout(header_layout);
 
@@ -43,7 +43,7 @@ InputDialog::InputDialog(const QString &prompt_text, QWidget *parent) : QDialog(
   layout->addWidget(line, 1, Qt::AlignTop);
 
   k = new Keyboard(this);
-  QObject::connect(k, SIGNAL(emitButton(const QString&)), this, SLOT(handleInput(const QString&)));
+  QObject::connect(k, &Keyboard::emitButton, this, &InputDialog::handleInput);
   layout->addWidget(k, 2, Qt::AlignBottom);
 
   setStyleSheet(R"(
@@ -132,13 +132,13 @@ ConfirmationDialog::ConfirmationDialog(const QString &prompt_text, const QString
   if (cancel_text.length()) {
     QPushButton* cancel_btn = new QPushButton(cancel_text);
     btn_layout->addWidget(cancel_btn, 0, Qt::AlignRight);
-    QObject::connect(cancel_btn, SIGNAL(released()), this, SLOT(reject()));
+    QObject::connect(cancel_btn, &QPushButton::released, this, &ConfirmationDialog::reject);
   }
 
   if (confirm_text.length()) {
     QPushButton* confirm_btn = new QPushButton(confirm_text);
     btn_layout->addWidget(confirm_btn, 0, Qt::AlignRight);
-    QObject::connect(confirm_btn, SIGNAL(released()), this, SLOT(accept()));
+    QObject::connect(confirm_btn, &QPushButton::released, this, &ConfirmationDialog::accept);
   }
 
   setFixedSize(900, 350);

selfdrive/ui/qt/widgets/offroad_alerts.cc

@@ -55,7 +55,7 @@ OffroadAlert::OffroadAlert(QWidget* parent) : QFrame(parent) {
   QPushButton *dismiss_btn = new QPushButton("Dismiss");
   dismiss_btn->setFixedSize(400, 125);
   footer_layout->addWidget(dismiss_btn, 0, Qt::AlignBottom | Qt::AlignLeft);
-  QObject::connect(dismiss_btn, SIGNAL(released()), this, SIGNAL(closeAlerts()));
+  QObject::connect(dismiss_btn, &QPushButton::released, this, &OffroadAlert::closeAlerts);
 
   rebootBtn.setText("Reboot and Update");
   rebootBtn.setFixedSize(600, 125);

selfdrive/ui/qt/widgets/setup.cc

@@ -23,7 +23,7 @@ PairingQRWidget::PairingQRWidget(QWidget* parent) : QWidget(parent) {
 
   QTimer* timer = new QTimer(this);
   timer->start(30 * 1000);
-  connect(timer, SIGNAL(timeout()), this, SLOT(refresh()));
+  connect(timer, &QTimer::timeout, this, &PairingQRWidget::refresh);
   refresh(); // don't wait for the first refresh
 }
 
@@ -179,7 +179,7 @@ SetupWidget::SetupWidget(QWidget* parent) : QFrame(parent) {
     background: #585858;
   )");
   finishRegistationLayout->addWidget(finishButton);
-  QObject::connect(finishButton, SIGNAL(released()), this, SLOT(showQrCode()));
+  QObject::connect(finishButton, &QPushButton::released, this, &SetupWidget::showQrCode);
 
   QWidget* finishRegistration = new QWidget;
   finishRegistration->setLayout(finishRegistationLayout);

selfdrive/ui/qt/widgets/ssh_keys.cc

@@ -45,7 +45,7 @@ SshControl::SshControl() : AbstractControl("SSH Keys", "Warning: This grants SSH
   networkTimer = new QTimer(this);
   networkTimer->setSingleShot(true);
   networkTimer->setInterval(5000);
-  connect(networkTimer, SIGNAL(timeout()), this, SLOT(timeout()));
+  connect(networkTimer, &QTimer::timeout, this, &SshControl::timeout);
 
   refresh();
 }
@@ -75,7 +75,7 @@ void SshControl::getUserKeys(QString username){
 #endif
 
   reply = manager->get(request);
-  connect(reply, SIGNAL(finished()), this, SLOT(parseResponse()));
+  connect(reply, &QNetworkReply::finished, this, &SshControl::parseResponse);
   networkTimer->start();
 }
 

selfdrive/ui/qt/window.cc

@@ -17,13 +17,13 @@ MainWindow::MainWindow(QWidget *parent) : QWidget(parent) {
   main_layout->addWidget(settingsWindow);
   QObject::connect(settingsWindow, &SettingsWindow::closeSettings, this, &MainWindow::closeSettings);
   QObject::connect(&qs, &QUIState::offroadTransition, settingsWindow, &SettingsWindow::offroadTransition);
-  QObject::connect(settingsWindow, SIGNAL(reviewTrainingGuide()), this, SLOT(reviewTrainingGuide()));
+  QObject::connect(settingsWindow, &SettingsWindow::reviewTrainingGuide, this, &MainWindow::reviewTrainingGuide);
 
   onboardingWindow = new OnboardingWindow(this);
   main_layout->addWidget(onboardingWindow);
 
   main_layout->setCurrentWidget(onboardingWindow);
-  QObject::connect(onboardingWindow, SIGNAL(onboardingDone()), this, SLOT(closeSettings()));
+  QObject::connect(onboardingWindow, &OnboardingWindow::onboardingDone, this, &MainWindow::closeSettings);
   onboardingWindow->updateActiveScreen();
 
   device.setAwake(true, true);

selfdrive/ui/replay/replay.cc

@@ -39,7 +39,7 @@ void Replay::addSegment(int i){
   lrs.insert(i, new LogReader(log_fn, &events, &events_lock, &unlogger->eidx));
 
   lrs[i]->moveToThread(thread);
-  QObject::connect(thread, SIGNAL (started()), lrs[i], SLOT (process()));
+  QObject::connect(thread, &QThread::started, lrs[i], &LogReader::process);
   thread->start();
 
   QString camera_fn = this->camera_paths.at(i).toString();

selfdrive/ui/ui.cc

@@ -353,7 +353,7 @@ QUIState::QUIState(QObject *parent) : QObject(parent) {
 
   // update timer
   timer = new QTimer(this);
-  QObject::connect(timer, SIGNAL(timeout()), this, SLOT(update()));
+  QObject::connect(timer, &QTimer::timeout, this, &QUIState::update);
   timer->start(0);
 }