UI: wrap all text for translation (#24961)

* rough multiple language demo

* more wrappings

* stash

* add some bad translations

* updates

* map from french to spanish still has same problem of needing to call setText on everything

* add files

* restart UI

* use return code

* relative path

* more translations

* don't loop restart

* Toggle and prime translations

* try on device

* try QComboBox with readable style

* stash

* not yet scrollable

* stash

* dynamic translations (doesn't work for dynamic widget strings yet)

* clean up multiple option selector

* store languages in json

* try transparent

* Try transparent popup

* see how this looks

* tweaks

* clean up

* clean up

* clean up 2 and missing tr

* wrap more strings

* missing updater

* fixes

* add basic test to ensure all strings wrapped

* try in CI

* clean up

* test name

* fix test

* always install qt dev tools

* fix deps

* fast test

* add section so it prints multiple errors

* debug

* debug

get rid of those

* make any difference?

* comment

* oh...

* run with offscreen platform

* try out section

* clean up

* fix missing wrappings (it works!)

* move down

* space

* clear relevant params, set TICI=1

.github/workflows/selfdrive_tests.yaml

@@ -305,6 +305,8 @@ jobs:
                         $UNIT_TEST selfdrive/hardware/tici && \
                         $UNIT_TEST selfdrive/modeld && \
                         $UNIT_TEST tools/lib/tests && \
+                        ./selfdrive/ui/tests/create_test_translations.sh && \
+                        QT_QPA_PLATFORM=offscreen ./selfdrive/ui/tests/test_translations && \
                         ./common/tests/test_util && \
                         ./common/tests/test_swaglog && \
                         ./selfdrive/boardd/tests/test_boardd_usbprotocol && \

selfdrive/ui/SConscript

@@ -58,6 +58,9 @@ qt_src = ["main.cc", "qt/sidebar.cc", "qt/onroad.cc", "qt/body.cc",
           "qt/window.cc", "qt/home.cc", "qt/offroad/settings.cc",
           "qt/offroad/onboarding.cc", "qt/offroad/driverview.cc"]
 qt_env.Program("_ui", qt_src + [asset_obj], LIBS=qt_libs)
+if GetOption('test'):
+  qt_src.remove("main.cc")  # replaced by test_runner
+  qt_env.Program('tests/test_translations', [asset_obj, 'tests/test_runner.cc', 'tests/test_translations.cc'] + qt_src, LIBS=qt_libs)
 
 
 # setup and factory resetter

selfdrive/ui/installer/installer.cc

@@ -53,7 +53,7 @@ Installer::Installer(QWidget *parent) : QWidget(parent) {
   layout->setContentsMargins(150, 290, 150, 150);
   layout->setSpacing(0);
 
-  QLabel *title = new QLabel("Installing...");
+  QLabel *title = new QLabel(tr("Installing..."));
   title->setStyleSheet("font-size: 90px; font-weight: 600;");
   layout->addWidget(title, 0, Qt::AlignTop);
 
@@ -141,9 +141,9 @@ void Installer::cachedFetch(const QString &cache) {
 void Installer::readProgress() {
   const QVector<QPair<QString, int>> stages = {
     // prefix, weight in percentage
-    {"Receiving objects: ", 91},
-    {"Resolving deltas: ", 2},
-    {"Updating files: ", 7},
+    {tr("Receiving objects: "), 91},
+    {tr("Resolving deltas: "), 2},
+    {tr("Updating files: "), 7},
   };
 
   auto line = QString(proc.readAllStandardError());

selfdrive/ui/qt/home.cc

@@ -111,7 +111,7 @@ OffroadHome::OffroadHome(QWidget* parent) : QFrame(parent) {
   date = new QLabel();
   header_layout->addWidget(date, 1, Qt::AlignHCenter | Qt::AlignLeft);
 
-  update_notif = new QPushButton("UPDATE");
+  update_notif = new QPushButton(tr("UPDATE"));
   update_notif->setVisible(false);
   update_notif->setStyleSheet("background-color: #364DEF;");
   QObject::connect(update_notif, &QPushButton::clicked, [=]() { center_layout->setCurrentIndex(1); });
@@ -202,6 +202,6 @@ void OffroadHome::refresh() {
   update_notif->setVisible(updateAvailable);
   alert_notif->setVisible(alerts);
   if (alerts) {
-    alert_notif->setText(QString::number(alerts) + (alerts > 1 ? " ALERTS" : " ALERT"));
+    alert_notif->setText(QString::number(alerts) + (alerts > 1 ? tr(" ALERTS") : tr(" ALERT")));
   }
 }

selfdrive/ui/qt/maps/map_settings.cc

@@ -59,11 +59,11 @@ MapPanel::MapPanel(QWidget* parent) : QWidget(parent) {
     current_widget = new QWidget(this);
     QVBoxLayout *current_layout = new QVBoxLayout(current_widget);
 
-    QLabel *title = new QLabel("Current Destination");
+    QLabel *title = new QLabel(tr("Current Destination"));
     title->setStyleSheet("font-size: 55px");
     current_layout->addWidget(title);
 
-    current_route = new ButtonControl("", "CLEAR");
+    current_route = new ButtonControl("", tr("CLEAR"));
     current_route->setStyleSheet("padding-left: 40px;");
     current_layout->addWidget(current_route);
     QObject::connect(current_route, &ButtonControl::clicked, [=]() {
@@ -78,7 +78,7 @@ MapPanel::MapPanel(QWidget* parent) : QWidget(parent) {
   main_layout->addWidget(current_widget);
 
   // Recents
-  QLabel *recents_title = new QLabel("Recent Destinations");
+  QLabel *recents_title = new QLabel(tr("Recent Destinations"));
   recents_title->setStyleSheet("font-size: 55px");
   main_layout->addWidget(recents_title);
   main_layout->addSpacing(20);
@@ -92,7 +92,7 @@ MapPanel::MapPanel(QWidget* parent) : QWidget(parent) {
   QWidget * no_prime_widget = new QWidget;
   {
     QVBoxLayout *no_prime_layout = new QVBoxLayout(no_prime_widget);
-    QLabel *signup_header = new QLabel("Try the Navigation Beta");
+    QLabel *signup_header = new QLabel(tr("Try the Navigation Beta"));
     signup_header->setStyleSheet(R"(font-size: 75px; color: white; font-weight:600;)");
     signup_header->setAlignment(Qt::AlignCenter);
 
@@ -104,7 +104,7 @@ MapPanel::MapPanel(QWidget* parent) : QWidget(parent) {
     screenshot->setPixmap(pm.scaledToWidth(1080, Qt::SmoothTransformation));
     no_prime_layout->addWidget(screenshot, 0, Qt::AlignHCenter);
 
-    QLabel *signup = new QLabel("Get turn-by-turn directions displayed and more with a comma \nprime subscription. Sign up now: https://connect.comma.ai");
+    QLabel *signup = new QLabel(tr("Get turn-by-turn directions displayed and more with a comma \nprime subscription. Sign up now: https://connect.comma.ai"));
     signup->setStyleSheet(R"(font-size: 45px; color: white; font-weight:300;)");
     signup->setAlignment(Qt::AlignCenter);
 
@@ -161,12 +161,12 @@ void MapPanel::showEvent(QShowEvent *event) {
 void MapPanel::clear() {
   home_button->setIcon(QPixmap("../assets/navigation/home_inactive.png"));
   home_address->setStyleSheet(R"(font-size: 50px; color: grey;)");
-  home_address->setText("No home\nlocation set");
+  home_address->setText(tr("No home\nlocation set"));
   home_button->disconnect();
 
   work_button->setIcon(QPixmap("../assets/navigation/work_inactive.png"));
   work_address->setStyleSheet(R"(font-size: 50px; color: grey;)");
-  work_address->setText("No work\nlocation set");
+  work_address->setText(tr("No work\nlocation set"));
   work_button->disconnect();
 
   clearLayout(recent_layout);
@@ -279,7 +279,7 @@ void MapPanel::parseResponse(const QString &response, bool success) {
   }
 
   if (!has_recents) {
-    QLabel *no_recents = new QLabel("no recent destinations");
+    QLabel *no_recents = new QLabel(tr("no recent destinations"));
     no_recents->setStyleSheet(R"(font-size: 50px; color: #9c9c9c)");
     recent_layout->addWidget(no_recents);
   }

selfdrive/ui/qt/offroad/driverview.cc

@@ -53,7 +53,7 @@ void DriverViewScene::paintEvent(QPaintEvent* event) {
     p.setPen(Qt::white);
     p.setRenderHint(QPainter::TextAntialiasing);
     configFont(p, "Inter", 100, "Bold");
-    p.drawText(geometry(), Qt::AlignCenter, "camera starting");
+    p.drawText(geometry(), Qt::AlignCenter, tr("camera starting"));
     return;
   }
 

selfdrive/ui/qt/offroad/networking.cc

@@ -27,7 +27,7 @@ Networking::Networking(QWidget* parent, bool show_advanced) : QFrame(parent) {
   QVBoxLayout* vlayout = new QVBoxLayout(wifiScreen);
   vlayout->setContentsMargins(20, 20, 20, 20);
   if (show_advanced) {
-    QPushButton* advancedSettings = new QPushButton("Advanced");
+    QPushButton* advancedSettings = new QPushButton(tr("Advanced"));
     advancedSettings->setObjectName("advanced_btn");
     advancedSettings->setStyleSheet("margin-right: 30px;");
     advancedSettings->setFixedSize(400, 100);
@@ -84,7 +84,7 @@ void Networking::connectToNetwork(const Network &n) {
   } else if (n.security_type == SecurityType::OPEN) {
     wifi->connect(n);
   } else if (n.security_type == SecurityType::WPA) {
-    QString pass = InputDialog::getText("Enter password", this, "for \"" + n.ssid + "\"", true, 8);
+    QString pass = InputDialog::getText(tr("Enter password"), this, tr("for \"") + n.ssid + "\"", true, 8);
     if (!pass.isEmpty()) {
       wifi->connect(n, pass);
     }
@@ -94,7 +94,7 @@ void Networking::connectToNetwork(const Network &n) {
 void Networking::wrongPassword(const QString &ssid) {
   if (wifi->seenNetworks.contains(ssid)) {
     const Network &n = wifi->seenNetworks.value(ssid);
-    QString pass = InputDialog::getText("Wrong password", this, "for \"" + n.ssid +"\"", true, 8);
+    QString pass = InputDialog::getText(tr("Wrong password"), this, tr("for \"") + n.ssid +"\"", true, 8);
     if (!pass.isEmpty()) {
       wifi->connect(n, pass);
     }
@@ -118,7 +118,7 @@ AdvancedNetworking::AdvancedNetworking(QWidget* parent, WifiManager* wifi): QWid
   main_layout->setSpacing(20);
 
   // Back button
-  QPushButton* back = new QPushButton("Back");
+  QPushButton* back = new QPushButton(tr("Back"));
   back->setObjectName("back_btn");
   back->setFixedSize(400, 100);
   connect(back, &QPushButton::clicked, [=]() { emit backPress(); });
@@ -126,14 +126,14 @@ AdvancedNetworking::AdvancedNetworking(QWidget* parent, WifiManager* wifi): QWid
 
   ListWidget *list = new ListWidget(this);
   // Enable tethering layout
-  tetheringToggle = new ToggleControl("Enable Tethering", "", "", wifi->isTetheringEnabled());
+  tetheringToggle = new ToggleControl(tr("Enable Tethering"), "", "", wifi->isTetheringEnabled());
   list->addItem(tetheringToggle);
   QObject::connect(tetheringToggle, &ToggleControl::toggleFlipped, this, &AdvancedNetworking::toggleTethering);
 
   // Change tethering password
-  ButtonControl *editPasswordButton = new ButtonControl("Tethering Password", "EDIT");
+  ButtonControl *editPasswordButton = new ButtonControl(tr("Tethering Password"), tr("EDIT"));
   connect(editPasswordButton, &ButtonControl::clicked, [=]() {
-    QString pass = InputDialog::getText("Enter new tethering password", this, "", true, 8, wifi->getTetheringPassword());
+    QString pass = InputDialog::getText(tr("Enter new tethering password"), this, "", true, 8, wifi->getTetheringPassword());
     if (!pass.isEmpty()) {
       wifi->changeTetheringPassword(pass);
     }
@@ -141,7 +141,7 @@ AdvancedNetworking::AdvancedNetworking(QWidget* parent, WifiManager* wifi): QWid
   list->addItem(editPasswordButton);
 
   // IP address
-  ipLabel = new LabelControl("IP Address", wifi->ipv4_address);
+  ipLabel = new LabelControl(tr("IP Address"), wifi->ipv4_address);
   list->addItem(ipLabel);
 
   // SSH keys
@@ -150,7 +150,7 @@ AdvancedNetworking::AdvancedNetworking(QWidget* parent, WifiManager* wifi): QWid
 
   // Roaming toggle
   const bool roamingEnabled = params.getBool("GsmRoaming");
-  ToggleControl *roamingToggle = new ToggleControl("Enable Roaming", "", "", roamingEnabled);
+  ToggleControl *roamingToggle = new ToggleControl(tr("Enable Roaming"), "", "", roamingEnabled);
   QObject::connect(roamingToggle, &SshToggle::toggleFlipped, [=](bool state) {
     params.putBool("GsmRoaming", state);
     wifi->updateGsmSettings(state, QString::fromStdString(params.get("GsmApn")));
@@ -158,11 +158,11 @@ AdvancedNetworking::AdvancedNetworking(QWidget* parent, WifiManager* wifi): QWid
   list->addItem(roamingToggle);
 
   // APN settings
-  ButtonControl *editApnButton = new ButtonControl("APN Setting", "EDIT");
+  ButtonControl *editApnButton = new ButtonControl(tr("APN Setting"), tr("EDIT"));
   connect(editApnButton, &ButtonControl::clicked, [=]() {
     const bool roamingEnabled = params.getBool("GsmRoaming");
     const QString cur_apn = QString::fromStdString(params.get("GsmApn"));
-    QString apn = InputDialog::getText("Enter APN", this, "leave blank for automatic configuration", false, -1, cur_apn).trimmed();
+    QString apn = InputDialog::getText(tr("Enter APN"), this, tr("leave blank for automatic configuration"), false, -1, cur_apn).trimmed();
 
     if (apn.isEmpty()) {
       params.remove("GsmApn");
@@ -207,7 +207,7 @@ WifiUI::WifiUI(QWidget *parent, WifiManager* wifi) : QWidget(parent), wifi(wifi)
   checkmark = QPixmap(ASSET_PATH + "offroad/icon_checkmark.svg").scaledToWidth(49, Qt::SmoothTransformation);
   circled_slash = QPixmap(ASSET_PATH + "img_circled_slash.svg").scaledToWidth(49, Qt::SmoothTransformation);
 
-  QLabel *scanning = new QLabel("Scanning for networks...");
+  QLabel *scanning = new QLabel(tr("Scanning for networks..."));
   scanning->setStyleSheet("font-size: 65px;");
   main_layout->addWidget(scanning, 0, Qt::AlignCenter);
 
@@ -260,7 +260,7 @@ void WifiUI::refresh() {
   clearLayout(main_layout);
 
   if (wifi->seenNetworks.size() == 0) {
-    QLabel *scanning = new QLabel("Scanning for networks...");
+    QLabel *scanning = new QLabel(tr("Scanning for networks..."));
     scanning->setStyleSheet("font-size: 65px;");
     main_layout->addWidget(scanning, 0, Qt::AlignCenter);
     return;
@@ -286,17 +286,17 @@ void WifiUI::refresh() {
     hlayout->addWidget(ssidLabel, network.connected == ConnectedType::CONNECTING ? 0 : 1);
 
     if (network.connected == ConnectedType::CONNECTING) {
-      QPushButton *connecting = new QPushButton("CONNECTING...");
+      QPushButton *connecting = new QPushButton(tr("CONNECTING..."));
       connecting->setObjectName("connecting");
       hlayout->addWidget(connecting, 2, Qt::AlignLeft);
     }
 
     // Forget button
     if (wifi->isKnownConnection(network.ssid) && !wifi->isTetheringEnabled()) {
-      QPushButton *forgetBtn = new QPushButton("FORGET");
+      QPushButton *forgetBtn = new QPushButton(tr("FORGET"));
       forgetBtn->setObjectName("forgetBtn");
       QObject::connect(forgetBtn, &QPushButton::clicked, [=]() {
-        if (ConfirmationDialog::confirm("Forget Wi-Fi Network \"" + QString::fromUtf8(network.ssid) + "\"?", this)) {
+        if (ConfirmationDialog::confirm(tr("Forget Wi-Fi Network \"") + QString::fromUtf8(network.ssid) + "\"?", this)) {
           wifi->forgetConnection(network.ssid);
         }
       });

selfdrive/ui/qt/offroad/onboarding.cc

@@ -76,7 +76,7 @@ void TermsPage::showEvent(QShowEvent *event) {
   main_layout->setContentsMargins(45, 35, 45, 45);
   main_layout->setSpacing(0);
 
-  QLabel *title = new QLabel("Terms & Conditions");
+  QLabel *title = new QLabel(tr("Terms & Conditions"));
   title->setStyleSheet("font-size: 90px; font-weight: 600;");
   main_layout->addWidget(title);
 
@@ -104,11 +104,11 @@ void TermsPage::showEvent(QShowEvent *event) {
   buttons->setSpacing(45);
   main_layout->addLayout(buttons);
 
-  QPushButton *decline_btn = new QPushButton("Decline");
+  QPushButton *decline_btn = new QPushButton(tr("Decline"));
   buttons->addWidget(decline_btn);
   QObject::connect(decline_btn, &QPushButton::clicked, this, &TermsPage::declinedTerms);
 
-  accept_btn = new QPushButton("Scroll to accept");
+  accept_btn = new QPushButton(tr("Scroll to accept"));
   accept_btn->setEnabled(false);
   accept_btn->setStyleSheet(R"(
     QPushButton {
@@ -123,7 +123,7 @@ void TermsPage::showEvent(QShowEvent *event) {
 }
 
 void TermsPage::enableAccept() {
-  accept_btn->setText("Agree");
+  accept_btn->setText(tr("Agree"));
   accept_btn->setEnabled(true);
 }
 
@@ -137,7 +137,7 @@ void DeclinePage::showEvent(QShowEvent *event) {
   main_layout->setSpacing(40);
 
   QLabel *text = new QLabel(this);
-  text->setText("You must accept the Terms and Conditions in order to use openpilot.");
+  text->setText(tr("You must accept the Terms and Conditions in order to use openpilot."));
   text->setStyleSheet(R"(font-size: 80px; font-weight: 300; margin: 200px;)");
   text->setWordWrap(true);
   main_layout->addWidget(text, 0, Qt::AlignCenter);
@@ -146,12 +146,12 @@ void DeclinePage::showEvent(QShowEvent *event) {
   buttons->setSpacing(45);
   main_layout->addLayout(buttons);
 
-  QPushButton *back_btn = new QPushButton("Back");
+  QPushButton *back_btn = new QPushButton(tr("Back"));
   buttons->addWidget(back_btn);
 
   QObject::connect(back_btn, &QPushButton::clicked, this, &DeclinePage::getBack);
 
-  QPushButton *uninstall_btn = new QPushButton(QString("Decline, uninstall %1").arg(getBrand()));
+  QPushButton *uninstall_btn = new QPushButton(QString(tr("Decline, uninstall %1")).arg(getBrand()));
   uninstall_btn->setStyleSheet("background-color: #B73D3D");
   buttons->addWidget(uninstall_btn);
   QObject::connect(uninstall_btn, &QPushButton::clicked, [=]() {

selfdrive/ui/qt/offroad/settings.cc

@@ -29,45 +29,45 @@ TogglesPanel::TogglesPanel(SettingsWindow *parent) : ListWidget(parent) {
   std::vector<std::tuple<QString, QString, QString, QString>> toggles{
     {
       "OpenpilotEnabledToggle",
-      "Enable openpilot",
-      "Use the openpilot system for adaptive cruise control and lane keep driver assistance. Your attention is required at all times to use this feature. Changing this setting takes effect when the car is powered off.",
+      tr("Enable openpilot"),
+      tr("Use the openpilot system for adaptive cruise control and lane keep driver assistance. Your attention is required at all times to use this feature. Changing this setting takes effect when the car is powered off."),
       "../assets/offroad/icon_openpilot.png",
     },
     {
       "IsLdwEnabled",
-      "Enable Lane Departure Warnings",
-      "Receive alerts to steer back into the lane when your vehicle drifts over a detected lane line without a turn signal activated while driving over 31 mph (50 km/h).",
+      tr("Enable Lane Departure Warnings"),
+      tr("Receive alerts to steer back into the lane when your vehicle drifts over a detected lane line without a turn signal activated while driving over 31 mph (50 km/h)."),
       "../assets/offroad/icon_warning.png",
     },
     {
       "IsRHD",
-      "Enable Right-Hand Drive",
-      "Allow openpilot to obey left-hand traffic conventions and perform driver monitoring on right driver seat.",
+      tr("Enable Right-Hand Drive"),
+      tr("Allow openpilot to obey left-hand traffic conventions and perform driver monitoring on right driver seat."),
       "../assets/offroad/icon_openpilot_mirrored.png",
     },
     {
       "IsMetric",
-      "Use Metric System",
-      "Display speed in km/h instead of mph.",
+      tr("Use Metric System"),
+      tr("Display speed in km/h instead of mph."),
       "../assets/offroad/icon_metric.png",
     },
     {
       "RecordFront",
-      "Record and Upload Driver Camera",
-      "Upload data from the driver facing camera and help improve the driver monitoring algorithm.",
+      tr("Record and Upload Driver Camera"),
+      tr("Upload data from the driver facing camera and help improve the driver monitoring algorithm."),
       "../assets/offroad/icon_monitoring.png",
     },
     {
       "DisengageOnAccelerator",
-      "Disengage On Accelerator Pedal",
-      "When enabled, pressing the accelerator pedal will disengage openpilot.",
+      tr("Disengage On Accelerator Pedal"),
+      tr("When enabled, pressing the accelerator pedal will disengage openpilot."),
       "../assets/offroad/icon_disengage_on_accelerator.svg",
     },
 #ifdef ENABLE_MAPS
     {
       "NavSettingTime24h",
-      "Show ETA in 24h format",
-      "Use 24h format instead of am/pm",
+      tr("Show ETA in 24h format"),
+      tr("Use 24h format instead of am/pm"),
       "../assets/offroad/icon_metric.png",
     },
 #endif
@@ -79,8 +79,8 @@ TogglesPanel::TogglesPanel(SettingsWindow *parent) : ListWidget(parent) {
   if (params.getBool("DisableRadar_Allow")) {
     toggles.push_back({
       "DisableRadar",
-      "openpilot Longitudinal Control",
-      "openpilot will disable the car's radar and will take over control of gas and brakes. Warning: this disables AEB!",
+      tr("openpilot Longitudinal Control"),
+      tr("openpilot will disable the car's radar and will take over control of gas and brakes. Warning: this disables AEB!"),
       "../assets/offroad/icon_speed_limit.png",
     });
   }
@@ -95,29 +95,29 @@ TogglesPanel::TogglesPanel(SettingsWindow *parent) : ListWidget(parent) {
 
 DevicePanel::DevicePanel(SettingsWindow *parent) : ListWidget(parent) {
   setSpacing(50);
-  addItem(new LabelControl("Dongle ID", getDongleId().value_or("N/A")));
-  addItem(new LabelControl("Serial", params.get("HardwareSerial").c_str()));
+  addItem(new LabelControl(tr("Dongle ID"), getDongleId().value_or(tr("N/A"))));
+  addItem(new LabelControl(tr("Serial"), params.get("HardwareSerial").c_str()));
 
   // offroad-only buttons
 
-  auto dcamBtn = new ButtonControl("Driver Camera", "PREVIEW",
-                                   "Preview the driver facing camera to help optimize device mounting position for best driver monitoring experience. (vehicle must be off)");
+  auto dcamBtn = new ButtonControl(tr("Driver Camera"), tr("PREVIEW"),
+                                   tr("Preview the driver facing camera to help optimize device mounting position for best driver monitoring experience. (vehicle must be off)"));
   connect(dcamBtn, &ButtonControl::clicked, [=]() { emit showDriverView(); });
   addItem(dcamBtn);
 
-  auto resetCalibBtn = new ButtonControl("Reset Calibration", "RESET", " ");
+  auto resetCalibBtn = new ButtonControl(tr("Reset Calibration"), tr("RESET"), "");
   connect(resetCalibBtn, &ButtonControl::showDescription, this, &DevicePanel::updateCalibDescription);
   connect(resetCalibBtn, &ButtonControl::clicked, [&]() {
-    if (ConfirmationDialog::confirm("Are you sure you want to reset calibration?", this)) {
+    if (ConfirmationDialog::confirm(tr("Are you sure you want to reset calibration?"), this)) {
       params.remove("CalibrationParams");
     }
   });
   addItem(resetCalibBtn);
 
   if (!params.getBool("Passive")) {
-    auto retrainingBtn = new ButtonControl("Review Training Guide", "REVIEW", "Review the rules, features, and limitations of openpilot");
+    auto retrainingBtn = new ButtonControl(tr("Review Training Guide"), tr("REVIEW"), tr("Review the rules, features, and limitations of openpilot"));
     connect(retrainingBtn, &ButtonControl::clicked, [=]() {
-      if (ConfirmationDialog::confirm("Are you sure you want to review the training guide?", this)) {
+      if (ConfirmationDialog::confirm(tr("Are you sure you want to review the training guide?"), this)) {
         emit reviewTrainingGuide();
       }
     });
@@ -125,7 +125,7 @@ DevicePanel::DevicePanel(SettingsWindow *parent) : ListWidget(parent) {
   }
 
   if (Hardware::TICI()) {
-    auto regulatoryBtn = new ButtonControl("Regulatory", "VIEW", "");
+    auto regulatoryBtn = new ButtonControl(tr("Regulatory"), tr("VIEW"), "");
     connect(regulatoryBtn, &ButtonControl::clicked, [=]() {
       const std::string txt = util::read_file("../assets/offroad/fcc.html");
       RichTextDialog::alert(QString::fromStdString(txt), this);
@@ -143,12 +143,12 @@ DevicePanel::DevicePanel(SettingsWindow *parent) : ListWidget(parent) {
   QHBoxLayout *power_layout = new QHBoxLayout();
   power_layout->setSpacing(30);
 
-  QPushButton *reboot_btn = new QPushButton("Reboot");
+  QPushButton *reboot_btn = new QPushButton(tr("Reboot"));
   reboot_btn->setObjectName("reboot_btn");
   power_layout->addWidget(reboot_btn);
   QObject::connect(reboot_btn, &QPushButton::clicked, this, &DevicePanel::reboot);
 
-  QPushButton *poweroff_btn = new QPushButton("Power Off");
+  QPushButton *poweroff_btn = new QPushButton(tr("Power Off"));
   poweroff_btn->setObjectName("poweroff_btn");
   power_layout->addWidget(poweroff_btn);
   QObject::connect(poweroff_btn, &QPushButton::clicked, this, &DevicePanel::poweroff);
@@ -168,8 +168,8 @@ DevicePanel::DevicePanel(SettingsWindow *parent) : ListWidget(parent) {
 
 void DevicePanel::updateCalibDescription() {
   QString desc =
-      "openpilot requires the device to be mounted within 4° left or right and "
-      "within 5° up or 8° down. openpilot is continuously calibrating, resetting is rarely required.";
+      tr("openpilot requires the device to be mounted within 4° left or right and "
+         "within 5° up or 8° down. openpilot is continuously calibrating, resetting is rarely required.");
   std::string calib_bytes = Params().get("CalibrationParams");
   if (!calib_bytes.empty()) {
     try {
@@ -179,9 +179,9 @@ void DevicePanel::updateCalibDescription() {
       if (calib.getCalStatus() != 0) {
         double pitch = calib.getRpyCalib()[1] * (180 / M_PI);
         double yaw = calib.getRpyCalib()[2] * (180 / M_PI);
-        desc += QString(" Your device is pointed %1° %2 and %3° %4.")
-                    .arg(QString::number(std::abs(pitch), 'g', 1), pitch > 0 ? "down" : "up",
-                         QString::number(std::abs(yaw), 'g', 1), yaw > 0 ? "left" : "right");
+        desc += QString(tr(" Your device is pointed %1° %2 and %3° %4."))
+                    .arg(QString::number(std::abs(pitch), 'g', 1), pitch > 0 ? tr("down") : tr("up"),
+                         QString::number(std::abs(yaw), 'g', 1), yaw > 0 ? tr("left") : tr("right"));
       }
     } catch (kj::Exception) {
       qInfo() << "invalid CalibrationParams";
@@ -192,51 +192,51 @@ void DevicePanel::updateCalibDescription() {
 
 void DevicePanel::reboot() {
   if (!uiState()->engaged()) {
-    if (ConfirmationDialog::confirm("Are you sure you want to reboot?", this)) {
+    if (ConfirmationDialog::confirm(tr("Are you sure you want to reboot?"), this)) {
       // Check engaged again in case it changed while the dialog was open
       if (!uiState()->engaged()) {
         Params().putBool("DoReboot", true);
       }
     }
   } else {
-    ConfirmationDialog::alert("Disengage to Reboot", this);
+    ConfirmationDialog::alert(tr("Disengage to Reboot"), this);
   }
 }
 
 void DevicePanel::poweroff() {
   if (!uiState()->engaged()) {
-    if (ConfirmationDialog::confirm("Are you sure you want to power off?", this)) {
+    if (ConfirmationDialog::confirm(tr("Are you sure you want to power off?"), this)) {
       // Check engaged again in case it changed while the dialog was open
       if (!uiState()->engaged()) {
         Params().putBool("DoShutdown", true);
       }
     }
   } else {
-    ConfirmationDialog::alert("Disengage to Power Off", this);
+    ConfirmationDialog::alert(tr("Disengage to Power Off"), this);
   }
 }
 
 SoftwarePanel::SoftwarePanel(QWidget* parent) : ListWidget(parent) {
-  gitBranchLbl = new LabelControl("Git Branch");
-  gitCommitLbl = new LabelControl("Git Commit");
-  osVersionLbl = new LabelControl("OS Version");
-  versionLbl = new LabelControl("Version", "", QString::fromStdString(params.get("ReleaseNotes")).trimmed());
-  lastUpdateLbl = new LabelControl("Last Update Check", "", "The last time openpilot successfully checked for an update. The updater only runs while the car is off.");
-  updateBtn = new ButtonControl("Check for Update", "");
+  gitBranchLbl = new LabelControl(tr("Git Branch"));
+  gitCommitLbl = new LabelControl(tr("Git Commit"));
+  osVersionLbl = new LabelControl(tr("OS Version"));
+  versionLbl = new LabelControl(tr("Version"), "", QString::fromStdString(params.get("ReleaseNotes")).trimmed());
+  lastUpdateLbl = new LabelControl(tr("Last Update Check"), "", tr("The last time openpilot successfully checked for an update. The updater only runs while the car is off."));
+  updateBtn = new ButtonControl(tr("Check for Update"), "");
   connect(updateBtn, &ButtonControl::clicked, [=]() {
     if (params.getBool("IsOffroad")) {
       fs_watch->addPath(QString::fromStdString(params.getParamPath("LastUpdateTime")));
       fs_watch->addPath(QString::fromStdString(params.getParamPath("UpdateFailedCount")));
-      updateBtn->setText("CHECKING");
+      updateBtn->setText(tr("CHECKING"));
       updateBtn->setEnabled(false);
     }
     std::system("pkill -1 -f selfdrive.updated");
   });
 
 
-  auto uninstallBtn = new ButtonControl("Uninstall " + getBrand(), "UNINSTALL");
+  auto uninstallBtn = new ButtonControl(tr("Uninstall ") + getBrand(), tr("UNINSTALL"));
   connect(uninstallBtn, &ButtonControl::clicked, [&]() {
-    if (ConfirmationDialog::confirm("Are you sure you want to uninstall?", this)) {
+    if (ConfirmationDialog::confirm(tr("Are you sure you want to uninstall?"), this)) {
       params.putBool("DoUninstall", true);
     }
   });
@@ -250,8 +250,8 @@ SoftwarePanel::SoftwarePanel(QWidget* parent) : ListWidget(parent) {
   fs_watch = new QFileSystemWatcher(this);
   QObject::connect(fs_watch, &QFileSystemWatcher::fileChanged, [=](const QString path) {
     if (path.contains("UpdateFailedCount") && std::atoi(params.get("UpdateFailedCount").c_str()) > 0) {
-      lastUpdateLbl->setText("failed to fetch update");
-      updateBtn->setText("CHECK");
+      lastUpdateLbl->setText(tr("failed to fetch update"));
+      updateBtn->setText(tr("CHECK"));
       updateBtn->setEnabled(true);
     } else if (path.contains("LastUpdateTime")) {
       updateLabels();
@@ -272,7 +272,7 @@ void SoftwarePanel::updateLabels() {
 
   versionLbl->setText(getBrandVersion());
   lastUpdateLbl->setText(lastUpdate);
-  updateBtn->setText("CHECK");
+  updateBtn->setText(tr("CHECK"));
   updateBtn->setEnabled(true);
   gitBranchLbl->setText(QString::fromStdString(params.get("GitBranch")));
   gitCommitLbl->setText(QString::fromStdString(params.get("GitCommit")).left(10));
@@ -301,7 +301,7 @@ SettingsWindow::SettingsWindow(QWidget *parent) : QFrame(parent) {
   )");
 
   // close button
-  QPushButton *close_btn = new QPushButton("×");
+  QPushButton *close_btn = new QPushButton(tr("×"));
   close_btn->setStyleSheet(R"(
     QPushButton {
       font-size: 140px;
@@ -327,15 +327,15 @@ SettingsWindow::SettingsWindow(QWidget *parent) : QFrame(parent) {
   QObject::connect(device, &DevicePanel::showDriverView, this, &SettingsWindow::showDriverView);
 
   QList<QPair<QString, QWidget *>> panels = {
-    {"Device", device},
-    {"Network", network_panel(this)},
-    {"Toggles", new TogglesPanel(this)},
-    {"Software", new SoftwarePanel(this)},
+    {tr("Device"), device},
+    {tr("Network"), network_panel(this)},
+    {tr("Toggles"), new TogglesPanel(this)},
+    {tr("Software"), new SoftwarePanel(this)},
   };
 
 #ifdef ENABLE_MAPS
   auto map_panel = new MapPanel(this);
-  panels.push_back({"Navigation", map_panel});
+  panels.push_back({tr("Navigation"), map_panel});
   QObject::connect(map_panel, &MapPanel::closeSettings, this, &SettingsWindow::closeSettings);
 #endif
 
@@ -367,7 +367,7 @@ SettingsWindow::SettingsWindow(QWidget *parent) : QFrame(parent) {
     nav_btns->addButton(btn);
     sidebar_layout->addWidget(btn, 0, Qt::AlignRight);
 
-    const int lr_margin = name != "Network" ? 50 : 0;  // Network panel handles its own margins
+    const int lr_margin = name != tr("Network") ? 50 : 0;  // Network panel handles its own margins
     panel->setContentsMargins(lr_margin, 25, lr_margin, 25);
 
     ScrollView *panel_frame = new ScrollView(panel, this);

selfdrive/ui/qt/onroad.cc

@@ -199,7 +199,7 @@ void NvgWindow::updateState(const UIState &s) {
   setProperty("is_metric", s.scene.is_metric);
   setProperty("speed", cur_speed);
   setProperty("setSpeed", set_speed);
-  setProperty("speedUnit", s.scene.is_metric ? "km/h" : "mph");
+  setProperty("speedUnit", s.scene.is_metric ? tr("km/h") : tr("mph"));
   setProperty("hideDM", cs.getAlertSize() != cereal::ControlsState::AlertSize::NONE);
   setProperty("status", s.status);
 
@@ -266,10 +266,10 @@ void NvgWindow::drawHud(QPainter &p) {
     p.setPen(QColor(0xa6, 0xa6, 0xa6, 0xff));
   }
   configFont(p, "Inter", 40, "SemiBold");
-  QRect max_rect = getTextRect(p, Qt::AlignCenter, "MAX");
+  QRect max_rect = getTextRect(p, Qt::AlignCenter, tr("MAX"));
   max_rect.moveCenter({set_speed_rect.center().x(), 0});
   max_rect.moveTop(set_speed_rect.top() + 27);
-  p.drawText(max_rect, Qt::AlignCenter, "MAX");
+  p.drawText(max_rect, Qt::AlignCenter, tr("MAX"));
 
   // Draw set speed
   if (is_cruise_set) {
@@ -313,16 +313,16 @@ void NvgWindow::drawHud(QPainter &p) {
 
     // "SPEED"
     configFont(p, "Inter", 28, "SemiBold");
-    QRect text_speed_rect = getTextRect(p, Qt::AlignCenter, "SPEED");
+    QRect text_speed_rect = getTextRect(p, Qt::AlignCenter, tr("SPEED"));
     text_speed_rect.moveCenter({sign_rect.center().x(), 0});
     text_speed_rect.moveTop(sign_rect_outer.top() + 22);
-    p.drawText(text_speed_rect, Qt::AlignCenter, "SPEED");
+    p.drawText(text_speed_rect, Qt::AlignCenter, tr("SPEED"));
 
     // "LIMIT"
-    QRect text_limit_rect = getTextRect(p, Qt::AlignCenter, "LIMIT");
+    QRect text_limit_rect = getTextRect(p, Qt::AlignCenter, tr("LIMIT"));
     text_limit_rect.moveCenter({sign_rect.center().x(), 0});
     text_limit_rect.moveTop(sign_rect_outer.top() + 51);
-    p.drawText(text_limit_rect, Qt::AlignCenter, "LIMIT");
+    p.drawText(text_limit_rect, Qt::AlignCenter, tr("LIMIT"));
 
     // Speed limit value
     configFont(p, "Inter", 70, "Bold");

selfdrive/ui/qt/setup/reset.cc

@@ -26,16 +26,16 @@ void Reset::doReset() {
   if (rm == 0 || fmt == 0) {
     std::system("sudo reboot");
   }
-  body->setText("Reset failed. Reboot to try again.");
+  body->setText(tr("Reset failed. Reboot to try again."));
   rebootBtn->show();
 }
 
 void Reset::confirm() {
-  const QString confirm_txt = "Are you sure you want to reset your device?";
+  const QString confirm_txt = tr("Are you sure you want to reset your device?");
   if (body->text() != confirm_txt) {
     body->setText(confirm_txt);
   } else {
-    body->setText("Resetting device...");
+    body->setText(tr("Resetting device..."));
     rejectBtn->hide();
     rebootBtn->hide();
     confirmBtn->hide();
@@ -50,13 +50,13 @@ Reset::Reset(bool recover, QWidget *parent) : QWidget(parent) {
   main_layout->setContentsMargins(45, 220, 45, 45);
   main_layout->setSpacing(0);
 
-  QLabel *title = new QLabel("System Reset");
+  QLabel *title = new QLabel(tr("System Reset"));
   title->setStyleSheet("font-size: 90px; font-weight: 600;");
   main_layout->addWidget(title, 0, Qt::AlignTop | Qt::AlignLeft);
 
   main_layout->addSpacing(60);
 
-  body = new QLabel("System reset triggered. Press confirm to erase all content and settings. Press cancel to resume boot.");
+  body = new QLabel(tr("System reset triggered. Press confirm to erase all content and settings. Press cancel to resume boot."));
   body->setWordWrap(true);
   body->setStyleSheet("font-size: 80px; font-weight: light;");
   main_layout->addWidget(body, 1, Qt::AlignTop | Qt::AlignLeft);
@@ -65,11 +65,11 @@ Reset::Reset(bool recover, QWidget *parent) : QWidget(parent) {
   main_layout->addLayout(blayout);
   blayout->setSpacing(50);
 
-  rejectBtn = new QPushButton("Cancel");
+  rejectBtn = new QPushButton(tr("Cancel"));
   blayout->addWidget(rejectBtn);
   QObject::connect(rejectBtn, &QPushButton::clicked, QCoreApplication::instance(), &QCoreApplication::quit);
 
-  rebootBtn = new QPushButton("Reboot");
+  rebootBtn = new QPushButton(tr("Reboot"));
   blayout->addWidget(rebootBtn);
 #ifdef __aarch64__
   QObject::connect(rebootBtn, &QPushButton::clicked, [=]{
@@ -77,7 +77,7 @@ Reset::Reset(bool recover, QWidget *parent) : QWidget(parent) {
   });
 #endif
 
-  confirmBtn = new QPushButton("Confirm");
+  confirmBtn = new QPushButton(tr("Confirm"));
   confirmBtn->setStyleSheet("background-color: #465BEA;");
   blayout->addWidget(confirmBtn);
   QObject::connect(confirmBtn, &QPushButton::clicked, this, &Reset::confirm);
@@ -85,7 +85,7 @@ Reset::Reset(bool recover, QWidget *parent) : QWidget(parent) {
   rejectBtn->setVisible(!recover);
   rebootBtn->setVisible(recover);
   if (recover) {
-    body->setText("Unable to mount data partition. Press confirm to reset your device.");
+    body->setText(tr("Unable to mount data partition. Press confirm to reset your device."));
   }
 
   setStyleSheet(R"(

selfdrive/ui/qt/setup/setup.cc

@@ -70,13 +70,13 @@ QWidget * Setup::low_voltage() {
   inner_layout->addWidget(triangle, 0, Qt::AlignTop | Qt::AlignLeft);
   inner_layout->addSpacing(80);
 
-  QLabel *title = new QLabel("WARNING: Low Voltage");
+  QLabel *title = new QLabel(tr("WARNING: Low Voltage"));
   title->setStyleSheet("font-size: 90px; font-weight: 500; color: #FF594F;");
   inner_layout->addWidget(title, 0, Qt::AlignTop | Qt::AlignLeft);
 
   inner_layout->addSpacing(25);
 
-  QLabel *body = new QLabel("Power your device in a car with a harness or proceed at your own risk.");
+  QLabel *body = new QLabel(tr("Power your device in a car with a harness or proceed at your own risk."));
   body->setWordWrap(true);
   body->setAlignment(Qt::AlignTop | Qt::AlignLeft);
   body->setStyleSheet("font-size: 80px; font-weight: 300;");
@@ -89,14 +89,14 @@ QWidget * Setup::low_voltage() {
   blayout->setSpacing(50);
   main_layout->addLayout(blayout, 0);
 
-  QPushButton *poweroff = new QPushButton("Power off");
+  QPushButton *poweroff = new QPushButton(tr("Power off"));
   poweroff->setObjectName("navBtn");
   blayout->addWidget(poweroff);
   QObject::connect(poweroff, &QPushButton::clicked, this, [=]() {
     Hardware::poweroff();
   });
 
-  QPushButton *cont = new QPushButton("Continue");
+  QPushButton *cont = new QPushButton(tr("Continue"));
   cont->setObjectName("navBtn");
   blayout->addWidget(cont);
   QObject::connect(cont, &QPushButton::clicked, this, &Setup::nextPage);
@@ -114,12 +114,12 @@ QWidget * Setup::getting_started() {
   vlayout->setContentsMargins(165, 280, 100, 0);
   main_layout->addLayout(vlayout);
 
-  QLabel *title = new QLabel("Getting Started");
+  QLabel *title = new QLabel(tr("Getting Started"));
   title->setStyleSheet("font-size: 90px; font-weight: 500;");
   vlayout->addWidget(title, 0, Qt::AlignTop | Qt::AlignLeft);
 
   vlayout->addSpacing(90);
-  QLabel *desc = new QLabel("Before we get on the road, let’s finish installation and cover some details.");
+  QLabel *desc = new QLabel(tr("Before we get on the road, let’s finish installation and cover some details."));
   desc->setWordWrap(true);
   desc->setStyleSheet("font-size: 80px; font-weight: 300;");
   vlayout->addWidget(desc, 0, Qt::AlignTop | Qt::AlignLeft);
@@ -144,7 +144,7 @@ QWidget * Setup::network_setup() {
   main_layout->setContentsMargins(55, 50, 55, 50);
 
   // title
-  QLabel *title = new QLabel("Connect to Wi-Fi");
+  QLabel *title = new QLabel(tr("Connect to Wi-Fi"));
   title->setStyleSheet("font-size: 90px; font-weight: 500;");
   main_layout->addWidget(title, 0, Qt::AlignLeft | Qt::AlignTop);
 
@@ -162,7 +162,7 @@ QWidget * Setup::network_setup() {
   main_layout->addLayout(blayout);
   blayout->setSpacing(50);
 
-  QPushButton *back = new QPushButton("Back");
+  QPushButton *back = new QPushButton(tr("Back"));
   back->setObjectName("navBtn");
   QObject::connect(back, &QPushButton::clicked, this, &Setup::prevPage);
   blayout->addWidget(back);
@@ -179,9 +179,9 @@ QWidget * Setup::network_setup() {
     cont->setEnabled(success);
     if (success) {
       const bool cell = networking->wifi->currentNetworkType() == NetworkType::CELL;
-      cont->setText(cell ? "Continue without Wi-Fi" : "Continue");
+      cont->setText(cell ? tr("Continue without Wi-Fi") : tr("Continue"));
     } else {
-      cont->setText("Waiting for internet");
+      cont->setText(tr("Waiting for internet"));
     }
     repaint();
   });
@@ -235,7 +235,7 @@ QWidget * Setup::software_selection() {
   main_layout->setSpacing(0);
 
   // title
-  QLabel *title = new QLabel("Choose Software to Install");
+  QLabel *title = new QLabel(tr("Choose Software to Install"));
   title->setStyleSheet("font-size: 90px; font-weight: 500;");
   main_layout->addWidget(title, 0, Qt::AlignLeft | Qt::AlignTop);
 
@@ -245,12 +245,12 @@ QWidget * Setup::software_selection() {
   QButtonGroup *group = new QButtonGroup(widget);
   group->setExclusive(true);
 
-  QWidget *dashcam = radio_button("Dashcam", group);
+  QWidget *dashcam = radio_button(tr("Dashcam"), group);
   main_layout->addWidget(dashcam);
 
   main_layout->addSpacing(30);
 
-  QWidget *custom = radio_button("Custom Software", group);
+  QWidget *custom = radio_button(tr("Custom Software"), group);
   main_layout->addWidget(custom);
 
   main_layout->addStretch();
@@ -260,12 +260,12 @@ QWidget * Setup::software_selection() {
   main_layout->addLayout(blayout);
   blayout->setSpacing(50);
 
-  QPushButton *back = new QPushButton("Back");
+  QPushButton *back = new QPushButton(tr("Back"));
   back->setObjectName("navBtn");
   QObject::connect(back, &QPushButton::clicked, this, &Setup::prevPage);
   blayout->addWidget(back);
 
-  QPushButton *cont = new QPushButton("Continue");
+  QPushButton *cont = new QPushButton(tr("Continue"));
   cont->setObjectName("navBtn");
   cont->setEnabled(false);
   cont->setProperty("primary", true);
@@ -278,7 +278,7 @@ QWidget * Setup::software_selection() {
     });
     QString url = DASHCAM_URL;
     if (group->checkedButton() != dashcam) {
-      url = InputDialog::getText("Enter URL", this, "for Custom Software");
+      url = InputDialog::getText(tr("Enter URL"), this, tr("for Custom Software"));
     }
     if (!url.isEmpty()) {
       QTimer::singleShot(1000, this, [=]() {
@@ -300,7 +300,7 @@ QWidget * Setup::software_selection() {
 QWidget * Setup::downloading() {
   QWidget *widget = new QWidget();
   QVBoxLayout *main_layout = new QVBoxLayout(widget);
-  QLabel *txt = new QLabel("Downloading...");
+  QLabel *txt = new QLabel(tr("Downloading..."));
   txt->setStyleSheet("font-size: 90px; font-weight: 500;");
   main_layout->addWidget(txt, 0, Qt::AlignCenter);
   return widget;
@@ -312,13 +312,13 @@ QWidget * Setup::download_failed() {
   main_layout->setContentsMargins(55, 225, 55, 55);
   main_layout->setSpacing(0);
 
-  QLabel *title = new QLabel("Download Failed");
+  QLabel *title = new QLabel(tr("Download Failed"));
   title->setStyleSheet("font-size: 90px; font-weight: 500;");
   main_layout->addWidget(title, 0, Qt::AlignTop | Qt::AlignLeft);
 
   main_layout->addSpacing(67);
 
-  QLabel *body = new QLabel("Ensure the entered URL is valid, and the device’s internet connection is good.");
+  QLabel *body = new QLabel(tr("Ensure the entered URL is valid, and the device’s internet connection is good."));
   body->setWordWrap(true);
   body->setAlignment(Qt::AlignTop | Qt::AlignLeft);
   body->setStyleSheet("font-size: 80px; font-weight: 300; margin-right: 100px;");
@@ -331,14 +331,14 @@ QWidget * Setup::download_failed() {
   blayout->setSpacing(50);
   main_layout->addLayout(blayout, 0);
 
-  QPushButton *reboot = new QPushButton("Reboot device");
+  QPushButton *reboot = new QPushButton(tr("Reboot device"));
   reboot->setObjectName("navBtn");
   blayout->addWidget(reboot);
   QObject::connect(reboot, &QPushButton::clicked, this, [=]() {
     Hardware::reboot();
   });
 
-  QPushButton *restart = new QPushButton("Start over");
+  QPushButton *restart = new QPushButton(tr("Start over"));
   restart->setObjectName("navBtn");
   restart->setProperty("primary", true);
   blayout->addWidget(restart);

selfdrive/ui/qt/setup/updater.cc

@@ -20,13 +20,13 @@ Updater::Updater(const QString &updater_path, const QString &manifest_path, QWid
     QVBoxLayout *layout = new QVBoxLayout(prompt);
     layout->setContentsMargins(100, 250, 100, 100);
 
-    QLabel *title = new QLabel("Update Required");
+    QLabel *title = new QLabel(tr("Update Required"));
     title->setStyleSheet("font-size: 80px; font-weight: bold;");
     layout->addWidget(title);
 
     layout->addSpacing(75);
 
-    QLabel *desc = new QLabel("An operating system update is required. Connect your device to Wi-Fi for the fastest update experience. The download size is approximately 1GB.");
+    QLabel *desc = new QLabel(tr("An operating system update is required. Connect your device to Wi-Fi for the fastest update experience. The download size is approximately 1GB."));
     desc->setWordWrap(true);
     desc->setStyleSheet("font-size: 65px;");
     layout->addWidget(desc);
@@ -37,14 +37,14 @@ Updater::Updater(const QString &updater_path, const QString &manifest_path, QWid
     hlayout->setSpacing(30);
     layout->addLayout(hlayout);
 
-    QPushButton *connect = new QPushButton("Connect to Wi-Fi");
+    QPushButton *connect = new QPushButton(tr("Connect to Wi-Fi"));
     connect->setObjectName("navBtn");
     QObject::connect(connect, &QPushButton::clicked, [=]() {
       setCurrentWidget(wifi);
     });
     hlayout->addWidget(connect);
 
-    QPushButton *install = new QPushButton("Install");
+    QPushButton *install = new QPushButton(tr("Install"));
     install->setObjectName("navBtn");
     install->setStyleSheet("background-color: #465BEA;");
     QObject::connect(install, &QPushButton::clicked, this, &Updater::installUpdate);
@@ -61,7 +61,7 @@ Updater::Updater(const QString &updater_path, const QString &manifest_path, QWid
     networking->setStyleSheet("Networking { background-color: #292929; border-radius: 13px; }");
     layout->addWidget(networking, 1);
 
-    QPushButton *back = new QPushButton("Back");
+    QPushButton *back = new QPushButton(tr("Back"));
     back->setObjectName("navBtn");
     back->setStyleSheet("padding-left: 60px; padding-right: 60px;");
     QObject::connect(back, &QPushButton::clicked, [=]() {
@@ -77,7 +77,7 @@ Updater::Updater(const QString &updater_path, const QString &manifest_path, QWid
     layout->setContentsMargins(150, 330, 150, 150);
     layout->setSpacing(0);
 
-    text = new QLabel("Loading...");
+    text = new QLabel(tr("Loading..."));
     text->setStyleSheet("font-size: 90px; font-weight: 600;");
     layout->addWidget(text, 0, Qt::AlignTop);
 
@@ -91,7 +91,7 @@ Updater::Updater(const QString &updater_path, const QString &manifest_path, QWid
 
     layout->addStretch();
 
-    reboot = new QPushButton("Reboot");
+    reboot = new QPushButton(tr("Reboot"));
     reboot->setObjectName("navBtn");
     reboot->setStyleSheet("padding-left: 60px; padding-right: 60px;");
     QObject::connect(reboot, &QPushButton::clicked, [=]() {
@@ -161,7 +161,7 @@ void Updater::updateFinished(int exitCode, QProcess::ExitStatus exitStatus) {
   if (exitCode == 0) {
     Hardware::reboot();
   } else {
-    text->setText("Update failed");
+    text->setText(tr("Update failed"));
     reboot->show();
   }
 }

selfdrive/ui/qt/sidebar.cc

@@ -64,26 +64,26 @@ void Sidebar::updateState(const UIState &s) {
   ItemStatus connectStatus;
   auto last_ping = deviceState.getLastAthenaPingTime();
   if (last_ping == 0) {
-    connectStatus = ItemStatus{{"CONNECT", "OFFLINE"}, warning_color};
+    connectStatus = ItemStatus{{tr("CONNECT"), tr("OFFLINE")}, warning_color};
   } else {
-    connectStatus = nanos_since_boot() - last_ping < 80e9 ? ItemStatus{{"CONNECT", "ONLINE"}, good_color} : ItemStatus{{"CONNECT", "ERROR"}, danger_color};
+    connectStatus = nanos_since_boot() - last_ping < 80e9 ? ItemStatus{{tr("CONNECT"), tr("ONLINE")}, good_color} : ItemStatus{{tr("CONNECT"), tr("ERROR")}, danger_color};
   }
   setProperty("connectStatus", QVariant::fromValue(connectStatus));
 
-  ItemStatus tempStatus = {{"TEMP", "HIGH"}, danger_color};
+  ItemStatus tempStatus = {{tr("TEMP"), tr("HIGH")}, danger_color};
   auto ts = deviceState.getThermalStatus();
   if (ts == cereal::DeviceState::ThermalStatus::GREEN) {
-    tempStatus = {{"TEMP", "GOOD"}, good_color};
+    tempStatus = {{tr("TEMP"), tr("GOOD")}, good_color};
   } else if (ts == cereal::DeviceState::ThermalStatus::YELLOW) {
-    tempStatus = {{"TEMP", "OK"}, warning_color};
+    tempStatus = {{tr("TEMP"), tr("OK")}, warning_color};
   }
   setProperty("tempStatus", QVariant::fromValue(tempStatus));
 
-  ItemStatus pandaStatus = {{"VEHICLE", "ONLINE"}, good_color};
+  ItemStatus pandaStatus = {{tr("VEHICLE"), tr("ONLINE")}, good_color};
   if (s.scene.pandaType == cereal::PandaState::PandaType::UNKNOWN) {
-    pandaStatus = {{"NO", "PANDA"}, danger_color};
+    pandaStatus = {{tr("NO"), tr("PANDA")}, danger_color};
   } else if (s.scene.started && !sm["liveLocationKalman"].getLiveLocationKalman().getGpsOK()) {
-    pandaStatus = {{"GPS", "SEARCH"}, warning_color};
+    pandaStatus = {{tr("GPS"), tr("SEARCH")}, warning_color};
   }
   setProperty("pandaStatus", QVariant::fromValue(pandaStatus));
 }

selfdrive/ui/qt/text.cc

@@ -33,12 +33,12 @@ int main(int argc, char *argv[]) {
 
   QPushButton *btn = new QPushButton();
 #ifdef __aarch64__
-  btn->setText("Reboot");
+  btn->setText(QObject::tr("Reboot"));
   QObject::connect(btn, &QPushButton::clicked, [=]() {
     Hardware::reboot();
   });
 #else
-  btn->setText("Exit");
+  btn->setText(QObject::tr("Exit"));
   QObject::connect(btn, &QPushButton::clicked, &a, &QApplication::quit);
 #endif
   main_layout->addWidget(btn, 0, 0, Qt::AlignRight | Qt::AlignBottom);

selfdrive/ui/qt/util.cc

@@ -15,7 +15,7 @@ QString getVersion() {
 }
 
 QString getBrand() {
-  return Params().getBool("Passive") ? "dashcam" : "openpilot";
+  return Params().getBool("Passive") ? QObject::tr("dashcam") : QObject::tr("openpilot");
 }
 
 QString getBrandVersion() {
@@ -63,13 +63,13 @@ QString timeAgo(const QDateTime &date) {
     s = "now";
   } else if (diff < 60 * 60) {
     int minutes = diff / 60;
-    s = QString("%1 minute%2 ago").arg(minutes).arg(minutes > 1 ? "s" : "");
+    s = QString(QObject::tr("%1 minute%2 ago")).arg(minutes).arg(minutes > 1 ? "s" : "");
   } else if (diff < 60 * 60 * 24) {
     int hours = diff / (60 * 60);
-    s = QString("%1 hour%2 ago").arg(hours).arg(hours > 1 ? "s" : "");
+    s = QString(QObject::tr("%1 hour%2 ago")).arg(hours).arg(hours > 1 ? "s" : "");
   } else if (diff < 3600 * 24 * 7) {
     int days = diff / (60 * 60 * 24);
-    s = QString("%1 day%2 ago").arg(days).arg(days > 1 ? "s" : "");
+    s = QString(QObject::tr("%1 day%2 ago")).arg(days).arg(days > 1 ? "s" : "");
   } else {
     s = date.date().toString();
   }

selfdrive/ui/qt/widgets/drive_stats.cc

@@ -34,16 +34,16 @@ DriveStats::DriveStats(QWidget* parent) : QFrame(parent) {
     grid_layout->addWidget(labels.distance = newLabel("0", "number"), row, 1, Qt::AlignLeft);
     grid_layout->addWidget(labels.hours = newLabel("0", "number"), row, 2, Qt::AlignLeft);
 
-    grid_layout->addWidget(newLabel("Drives", "unit"), row + 1, 0, Qt::AlignLeft);
+    grid_layout->addWidget(newLabel((tr("Drives")), "unit"), row + 1, 0, Qt::AlignLeft);
     grid_layout->addWidget(labels.distance_unit = newLabel(getDistanceUnit(), "unit"), row + 1, 1, Qt::AlignLeft);
-    grid_layout->addWidget(newLabel("Hours ", "unit"), row + 1, 2, Qt::AlignLeft);
+    grid_layout->addWidget(newLabel(tr("Hours"), "unit"), row + 1, 2, Qt::AlignLeft);
 
     main_layout->addLayout(grid_layout);
   };
 
-  add_stats_layouts("ALL TIME", all_);
+  add_stats_layouts(tr("ALL TIME"), all_);
   main_layout->addStretch();
-  add_stats_layouts("PAST WEEK", week_);
+  add_stats_layouts(tr("PAST WEEK"), week_);
 
   if (auto dongleId = getDongleId()) {
     QString url = CommaApi::BASE_URL + "/v1.1/devices/" + *dongleId + "/stats";

selfdrive/ui/qt/widgets/drive_stats.h

@@ -12,7 +12,7 @@ public:
 private:
   void showEvent(QShowEvent *event) override;
   void updateStats();
-  inline QString getDistanceUnit() const { return metric_ ? "KM" : "Miles"; }
+  inline QString getDistanceUnit() const { return metric_ ? tr("KM") : tr("Miles"); }
 
   bool metric_;
   QJsonDocument stats_;

selfdrive/ui/qt/widgets/input.cc

@@ -67,7 +67,7 @@ InputDialog::InputDialog(const QString &title, QWidget *parent, const QString &s
     vlayout->addWidget(sublabel, 1, Qt::AlignTop | Qt::AlignLeft);
   }
 
-  QPushButton* cancel_btn = new QPushButton("Cancel");
+  QPushButton* cancel_btn = new QPushButton(tr("Cancel"));
   cancel_btn->setFixedSize(386, 125);
   cancel_btn->setStyleSheet(R"(
     font-size: 48px;
@@ -164,7 +164,7 @@ void InputDialog::handleEnter() {
     done(QDialog::Accepted);
     emitText(line->text());
   } else {
-    setMessage("Need at least "+QString::number(minLength)+" characters!", false);
+    setMessage(tr("Need at least ") + QString::number(minLength) + tr(" characters!"), false);
   }
 }
 
@@ -217,12 +217,12 @@ ConfirmationDialog::ConfirmationDialog(const QString &prompt_text, const QString
 }
 
 bool ConfirmationDialog::alert(const QString &prompt_text, QWidget *parent) {
-  ConfirmationDialog d = ConfirmationDialog(prompt_text, "Ok", "", parent);
+  ConfirmationDialog d = ConfirmationDialog(prompt_text, tr("Ok"), "", parent);
   return d.exec();
 }
 
 bool ConfirmationDialog::confirm(const QString &prompt_text, QWidget *parent) {
-  ConfirmationDialog d = ConfirmationDialog(prompt_text, "Ok", "Cancel", parent);
+  ConfirmationDialog d = ConfirmationDialog(prompt_text, tr("Ok"), tr("Cancel"), parent);
   return d.exec();
 }
 
@@ -254,6 +254,6 @@ RichTextDialog::RichTextDialog(const QString &prompt_text, const QString &btn_te
 }
 
 bool RichTextDialog::alert(const QString &prompt_text, QWidget *parent) {
-  auto d = RichTextDialog(prompt_text, "Ok", parent);
+  auto d = RichTextDialog(prompt_text, tr("Ok"), parent);
   return d.exec();
 }

selfdrive/ui/qt/widgets/offroad_alerts.cc

@@ -22,12 +22,12 @@ AbstractAlert::AbstractAlert(bool hasRebootBtn, QWidget *parent) : QFrame(parent
   QHBoxLayout *footer_layout = new QHBoxLayout();
   main_layout->addLayout(footer_layout);
 
-  QPushButton *dismiss_btn = new QPushButton("Close");
+  QPushButton *dismiss_btn = new QPushButton(tr("Close"));
   dismiss_btn->setFixedSize(400, 125);
   footer_layout->addWidget(dismiss_btn, 0, Qt::AlignBottom | Qt::AlignLeft);
   QObject::connect(dismiss_btn, &QPushButton::clicked, this, &AbstractAlert::dismiss);
 
-  snooze_btn = new QPushButton("Snooze Update");
+  snooze_btn = new QPushButton(tr("Snooze Update"));
   snooze_btn->setVisible(false);
   snooze_btn->setFixedSize(550, 125);
   footer_layout->addWidget(snooze_btn, 0, Qt::AlignBottom | Qt::AlignRight);
@@ -38,7 +38,7 @@ AbstractAlert::AbstractAlert(bool hasRebootBtn, QWidget *parent) : QFrame(parent
   snooze_btn->setStyleSheet(R"(color: white; background-color: #4F4F4F;)");
 
   if (hasRebootBtn) {
-    QPushButton *rebootBtn = new QPushButton("Reboot and Update");
+    QPushButton *rebootBtn = new QPushButton(tr("Reboot and Update"));
     rebootBtn->setFixedSize(600, 125);
     footer_layout->addWidget(rebootBtn, 0, Qt::AlignBottom | Qt::AlignRight);
     QObject::connect(rebootBtn, &QPushButton::clicked, [=]() { Hardware::reboot(); });

selfdrive/ui/qt/widgets/prime.cc

@@ -83,18 +83,18 @@ PairingPopup::PairingPopup(QWidget *parent) : QDialogBase(parent) {
 
     vlayout->addSpacing(30);
 
-    QLabel *title = new QLabel("Pair your device to your comma account", this);
+    QLabel *title = new QLabel(tr("Pair your device to your comma account"), this);
     title->setStyleSheet("font-size: 75px; color: black;");
     title->setWordWrap(true);
     vlayout->addWidget(title);
 
-    QLabel *instructions = new QLabel(R"(
+    QLabel *instructions = new QLabel(tr(R"(
       <ol type='1' style='margin-left: 15px;'>
         <li style='margin-bottom: 50px;'>Go to https://connect.comma.ai on your phone</li>
         <li style='margin-bottom: 50px;'>Click "add new device" and scan the QR code on the right</li>
         <li style='margin-bottom: 50px;'>Bookmark connect.comma.ai to your home screen to use it like an app</li>
       </ol>
-    )", this);
+    )"), this);
     instructions->setStyleSheet("font-size: 47px; font-weight: bold; color: black;");
     instructions->setWordWrap(true);
     vlayout->addWidget(instructions);
@@ -120,19 +120,19 @@ PrimeUserWidget::PrimeUserWidget(QWidget* parent) : QWidget(parent) {
   primeLayout->setMargin(0);
   primeWidget->setContentsMargins(60, 50, 60, 50);
 
-  QLabel* subscribed = new QLabel("✓ SUBSCRIBED");
+  QLabel* subscribed = new QLabel(tr("✓ SUBSCRIBED"));
   subscribed->setStyleSheet("font-size: 41px; font-weight: bold; color: #86FF4E;");
   primeLayout->addWidget(subscribed, 0, Qt::AlignTop);
 
   primeLayout->addSpacing(60);
 
-  QLabel* commaPrime = new QLabel("comma prime");
+  QLabel* commaPrime = new QLabel(tr("comma prime"));
   commaPrime->setStyleSheet("font-size: 75px; font-weight: bold;");
   primeLayout->addWidget(commaPrime, 0, Qt::AlignTop);
 
   primeLayout->addSpacing(20);
 
-  QLabel* connectUrl = new QLabel("CONNECT.COMMA.AI");
+  QLabel* connectUrl = new QLabel(tr("CONNECT.COMMA.AI"));
   connectUrl->setStyleSheet("font-size: 41px; font-family: Inter SemiBold; color: #A0A0A0;");
   primeLayout->addWidget(connectUrl, 0, Qt::AlignTop);
 
@@ -145,7 +145,7 @@ PrimeUserWidget::PrimeUserWidget(QWidget* parent) : QWidget(parent) {
   pointsLayout->setMargin(0);
   pointsWidget->setContentsMargins(60, 50, 60, 50);
 
-  QLabel* commaPoints = new QLabel("COMMA POINTS");
+  QLabel* commaPoints = new QLabel(tr("COMMA POINTS"));
   commaPoints->setStyleSheet("font-size: 41px; font-family: Inter SemiBold;");
   pointsLayout->addWidget(commaPoints, 0, Qt::AlignTop);
 
@@ -181,24 +181,24 @@ PrimeAdWidget::PrimeAdWidget(QWidget* parent) : QFrame(parent) {
   main_layout->setContentsMargins(80, 90, 80, 60);
   main_layout->setSpacing(0);
 
-  QLabel *upgrade = new QLabel("Upgrade Now");
+  QLabel *upgrade = new QLabel(tr("Upgrade Now"));
   upgrade->setStyleSheet("font-size: 75px; font-weight: bold;");
   main_layout->addWidget(upgrade, 0, Qt::AlignTop);
   main_layout->addSpacing(50);
 
-  QLabel *description = new QLabel("Become a comma prime member at connect.comma.ai");
+  QLabel *description = new QLabel(tr("Become a comma prime member at connect.comma.ai"));
   description->setStyleSheet("font-size: 60px; font-weight: light; color: white;");
   description->setWordWrap(true);
   main_layout->addWidget(description, 0, Qt::AlignTop);
 
   main_layout->addStretch();
 
-  QLabel *features = new QLabel("PRIME FEATURES:");
+  QLabel *features = new QLabel(tr("PRIME FEATURES:"));
   features->setStyleSheet("font-size: 41px; font-weight: bold; color: #E5E5E5;");
   main_layout->addWidget(features, 0, Qt::AlignBottom);
   main_layout->addSpacing(30);
 
-  QVector<QString> bullets = {"Remote access", "1 year of storage", "Developer perks"};
+  QVector<QString> bullets = {tr("Remote access"), tr("1 year of storage"), tr("Developer perks")};
   for (auto &b: bullets) {
     const QString check = "<b><font color='#465BEA'>✓</font></b> ";
     QLabel *l = new QLabel(check + b);
@@ -227,20 +227,20 @@ SetupWidget::SetupWidget(QWidget* parent) : QFrame(parent) {
   finishRegistationLayout->setContentsMargins(30, 75, 30, 45);
   finishRegistationLayout->setSpacing(0);
 
-  QLabel* registrationTitle = new QLabel("Finish Setup");
+  QLabel* registrationTitle = new QLabel(tr("Finish Setup"));
   registrationTitle->setStyleSheet("font-size: 75px; font-weight: bold; margin-left: 55px;");
   finishRegistationLayout->addWidget(registrationTitle);
 
   finishRegistationLayout->addSpacing(30);
 
-  QLabel* registrationDescription = new QLabel("Pair your device with comma connect (connect.comma.ai) and claim your comma prime offer.");
+  QLabel* registrationDescription = new QLabel(tr("Pair your device with comma connect (connect.comma.ai) and claim your comma prime offer."));
   registrationDescription->setWordWrap(true);
   registrationDescription->setStyleSheet("font-size: 55px; font-weight: light; margin-left: 55px;");
   finishRegistationLayout->addWidget(registrationDescription);
 
   finishRegistationLayout->addStretch();
 
-  QPushButton* pair = new QPushButton("Pair device");
+  QPushButton* pair = new QPushButton(tr("Pair device"));
   pair->setFixedHeight(220);
   pair->setStyleSheet(R"(
     QPushButton {

selfdrive/ui/qt/widgets/ssh_keys.cc

@@ -4,16 +4,16 @@
 #include "selfdrive/ui/qt/api.h"
 #include "selfdrive/ui/qt/widgets/input.h"
 
-SshControl::SshControl() : ButtonControl("SSH Keys", "", "Warning: This grants SSH access to all public keys in your GitHub settings. Never enter a GitHub username other than your own. A comma employee will NEVER ask you to add their GitHub username.") {
+SshControl::SshControl() : ButtonControl(tr("SSH Keys"), "", tr("Warning: This grants SSH access to all public keys in your GitHub settings. Never enter a GitHub username other than your own. A comma employee will NEVER ask you to add their GitHub username.")) {
   username_label.setAlignment(Qt::AlignRight | Qt::AlignVCenter);
   username_label.setStyleSheet("color: #aaaaaa");
   hlayout->insertWidget(1, &username_label);
 
   QObject::connect(this, &ButtonControl::clicked, [=]() {
-    if (text() == "ADD") {
-      QString username = InputDialog::getText("Enter your GitHub username", this);
+    if (text() == tr("ADD")) {
+      QString username = InputDialog::getText(tr("Enter your GitHub username"), this);
       if (username.length() > 0) {
-        setText("LOADING");
+        setText(tr("LOADING"));
         setEnabled(false);
         getUserKeys(username);
       }
@@ -31,10 +31,10 @@ void SshControl::refresh() {
   QString param = QString::fromStdString(params.get("GithubSshKeys"));
   if (param.length()) {
     username_label.setText(QString::fromStdString(params.get("GithubUsername")));
-    setText("REMOVE");
+    setText(tr("REMOVE"));
   } else {
     username_label.setText("");
-    setText("ADD");
+    setText(tr("ADD"));
   }
   setEnabled(true);
 }
@@ -47,13 +47,13 @@ void SshControl::getUserKeys(const QString &username) {
         params.put("GithubUsername", username.toStdString());
         params.put("GithubSshKeys", resp.toStdString());
       } else {
-        ConfirmationDialog::alert(QString("Username '%1' has no keys on GitHub").arg(username), this);
+        ConfirmationDialog::alert(QString(tr("Username '%1' has no keys on GitHub")).arg(username), this);
       }
     } else {
       if (request->timeout()) {
-        ConfirmationDialog::alert("Request timed out", this);
+        ConfirmationDialog::alert(tr("Request timed out"), this);
       } else {
-        ConfirmationDialog::alert(QString("Username '%1' doesn't exist on GitHub").arg(username), this);
+        ConfirmationDialog::alert(QString(tr("Username '%1' doesn't exist on GitHub")).arg(username), this);
       }
     }
 

selfdrive/ui/qt/widgets/ssh_keys.h

@@ -10,7 +10,7 @@ class SshToggle : public ToggleControl {
   Q_OBJECT
 
 public:
-  SshToggle() : ToggleControl("Enable SSH", "", "", Hardware::get_ssh_enabled()) {
+  SshToggle() : ToggleControl(tr("Enable SSH"), "", "", Hardware::get_ssh_enabled()) {
     QObject::connect(this, &SshToggle::toggleFlipped, [=](bool state) {
       Hardware::set_ssh_enabled(state);
     });

selfdrive/ui/tests/.gitignore

@@ -1,3 +1,4 @@
 test
 playsound
 test_sound
+test_translations

selfdrive/ui/tests/create_test_translations.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -e
+
+UI_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"/..
+TEST_TEXT="(WRAPPED_SOURCE_TEXT)"
+TEST_TS_FILE=$UI_DIR/translations/main_test_en.ts
+TEST_QM_FILE=$UI_DIR/translations/main_test_en.qm
+
+# translation strings
+UNFINISHED="<translation type=\"unfinished\"><\/translation>"
+TRANSLATED="<translation>$TEST_TEXT<\/translation>"
+
+mkdir -p $UI_DIR/translations
+rm -f $TEST_TS_FILE $TEST_QM_FILE
+lupdate -recursive "$UI_DIR" -ts $TEST_TS_FILE
+sed -i "s/$UNFINISHED/$TRANSLATED/" $TEST_TS_FILE
+lrelease $TEST_TS_FILE

selfdrive/ui/tests/test_runner.cc

@@ -1,10 +1,25 @@
 #define CATCH_CONFIG_RUNNER
 #include "catch2/catch.hpp"
-#include <QCoreApplication>
+
+#include <QApplication>
+#include <QDebug>
+#include <QDir>
+#include <QTranslator>
 
 int main(int argc, char **argv) {
   // unit tests for Qt
-  QCoreApplication app(argc, argv);
+  QApplication app(argc, argv);
+
+  QString language_file = "main_test_en";
+  qDebug() << "Loading language:" << language_file;
+
+  QTranslator translator;
+  QString translationsPath = QDir::cleanPath(qApp->applicationDirPath() + "/../translations");
+  if (!translator.load(language_file, translationsPath)) {
+    qDebug() << "Failed to load translation file!";
+  }
+  app.installTranslator(&translator);
+
   const int res = Catch::Session().run(argc, argv);
   return (res < 0xff ? res : 0xff);
 }

selfdrive/ui/tests/test_translations.cc

@@ -0,0 +1,51 @@
+#include "catch2/catch.hpp"
+
+#include "common/params.h"
+#include "selfdrive/ui/qt/window.h"
+
+const QString TEST_TEXT = "(WRAPPED_SOURCE_TEXT)";  // what each string should be translated to
+QRegExp RE_NUM("\\d*");
+
+QStringList getParentWidgets(QWidget* widget){
+  QStringList parentWidgets;
+  while (widget->parentWidget() != Q_NULLPTR) {
+    widget = widget->parentWidget();
+    parentWidgets.append(widget->metaObject()->className());
+  }
+  return parentWidgets;
+}
+
+template <typename T>
+void checkWidgetTrWrap(MainWindow &w) {
+  int i = 0;
+  for (auto widget : w.findChildren<T>()) {
+    const QString text = widget->text();
+    SECTION(text.toStdString() + "-" + std::to_string(i)) {
+      bool isNumber = RE_NUM.exactMatch(text);
+      bool wrapped = text.contains(TEST_TEXT);
+      QString parentWidgets = getParentWidgets(widget).join("->");
+
+      if (!text.isEmpty() && !isNumber && !wrapped) {
+        FAIL(("\"" + text + "\" must be wrapped. Parent widgets: " + parentWidgets).toStdString());
+      }
+
+      // warn if source string wrapped, but UI adds text
+      // TODO: add way to ignore this
+      if (wrapped && text != TEST_TEXT) {
+        WARN(("\"" + text + "\" is dynamic and needs a custom retranslate function. Parent widgets: " + parentWidgets).toStdString());
+      }
+    }
+    i++;
+  }
+}
+
+// Tests all strings in the UI are wrapped with tr()
+TEST_CASE("UI: test all strings wrapped") {
+  Params().remove("HardwareSerial");
+  Params().remove("DongleId");
+  qputenv("TICI", "1");
+
+  MainWindow w;
+  checkWidgetTrWrap<QPushButton*>(w);
+  checkWidgetTrWrap<QLabel*>(w);
+}

tools/ubuntu_setup.sh

@@ -59,6 +59,7 @@ function install_ubuntu_common_requirements() {
     qtmultimedia5-dev \
     qtlocation5-dev \
     qtpositioning5-dev \
+    qttools5-dev-tools \
     libqt5sql5-sqlite \
     libqt5svg5-dev \
     libqt5x11extras5-dev \