build Qt UI with clazy (#19537)

* clazy, level0

* level1

SConstruct

@@ -17,6 +17,10 @@ AddOption('--asan',
           action='store_true',
           help='turn on ASAN')
 
+AddOption('--clazy',
+          action='store_true',
+          help='build with clazy')
+
 real_arch = arch = subprocess.check_output(["uname", "-m"], encoding='utf8').rstrip()
 if platform.system() == "Darwin":
   arch = "Darwin"

selfdrive/ui/SConscript

@@ -44,6 +44,17 @@ if arch in ["x86_64", "Darwin", "larch64"]:
   qt_env['CXXFLAGS'] += qt_flags
   qt_env['LIBPATH'] += ['#selfdrive/ui']
 
+  if GetOption("clazy"):
+    checks = [
+      "level0",
+      "level1",
+      "no-range-loop",
+      "no-non-pod-global-static",
+    ]
+    qt_env['CXX'] = 'clazy'
+    qt_env['ENV']['CLAZY_IGNORE_DIRS'] = qt_dirs[0]
+    qt_env['ENV']['CLAZY_CHECKS'] = ','.join(checks)
+
 
 src = ['ui.cc', 'paint.cc', 'sidebar.cc', '#phonelibs/nanovg/nanovg.c']
 libs = [common, 'zmq', 'capnp', 'kj', 'm', cereal, messaging, gpucommon, visionipc]

selfdrive/ui/qt/offroad/wifiManager.cc

@@ -103,7 +103,7 @@ QString WifiManager::get_ipv4_address(){
     return "";
   }
   QVector<QDBusObjectPath> conns = get_active_connections();
-  for (auto p : conns){
+  for (auto &p : conns){
     QString active_connection = p.path();
     QDBusInterface nm(nm_service, active_connection, props_iface, bus);
     QDBusObjectPath pth = get_response<QDBusObjectPath>(nm.call("Get", connection_iface, "Ip4Config"));
@@ -261,14 +261,13 @@ void WifiManager::clear_connections(QString ssid) {
 
     const QDBusArgument &dbusArg = response.arguments().at(0).value<QDBusArgument>();
 
-    QMap<QString,QMap<QString,QVariant> > map;
+    QMap<QString, QMap<QString,QVariant>> map;
     dbusArg >> map;
-    for (QString outer_key : map.keys()) {
-      QMap<QString,QVariant> innerMap = map.value(outer_key);
-      for (QString inner_key : innerMap.keys()) {
-        if (inner_key == "ssid") {
-          QString value = innerMap.value(inner_key).value<QString>();
-          if (value == ssid) {
+    for (auto &inner : map) {
+      for (auto &val : inner) {
+        QString key = inner.key(val);
+        if (key == "ssid") {
+          if (val == ssid) {
             nm2.call("Delete");
           }
         }

selfdrive/ui/qt/widgets/offroad_alerts.cc

@@ -91,7 +91,7 @@ void OffroadAlert::refresh() {
   } else {
     vlayout->addSpacing(60);
 
-    for (auto alert : alerts) {
+    for (const auto &alert : alerts) {
       QLabel *l = new QLabel(alert.text);
       l->setWordWrap(true);
       l->setMargin(60);
@@ -136,7 +136,7 @@ void OffroadAlert::parse_alerts() {
   }
 
   QJsonObject json = doc.object();
-  for (const QString& key : json.keys()) {
+  for (const QString &key : json.keys()) {
     std::vector<char> bytes = Params().read_db_bytes(key.toStdString().c_str());
 
     if (bytes.size()) {

selfdrive/ui/qt/widgets/toggle.cc

@@ -19,14 +19,14 @@ void Toggle::paintEvent(QPaintEvent *e) {
   p.setRenderHint(QPainter::Antialiasing, true);
 
   // Draw toggle background left
-  p.setBrush(QColor("#33ab4c"));
+  p.setBrush(QColor(0x33ab4c));
   p.drawRoundedRect(QRect(0, _y_rect, _x_circle + _radius, _height_rect), _height_rect/2, _height_rect/2);
   // Draw toggle background right
-  p.setBrush(QColor("#0a1a26"));
+  p.setBrush(QColor(0x0a1a26));
   p.drawRoundedRect(QRect(_x_circle - _radius, _y_rect, width() -(_x_circle - _radius), _height_rect), _height_rect/2, _height_rect/2);
 
   // Draw toggle circle
-  p.setBrush(QColor("#fafafa"));
+  p.setBrush(QColor(0xfafafa));
   p.drawEllipse(QRectF(_x_circle - _radius, _y_circle - _radius, 2 * _radius, 2 * _radius));
 }
 

selfdrive/ui/qt/widgets/toggle.hpp

@@ -3,7 +3,7 @@
 
 class Toggle : public QAbstractButton {
   Q_OBJECT
-  Q_PROPERTY(int offset_circle READ offset_circle WRITE set_offset_circle)
+  Q_PROPERTY(int offset_circle READ offset_circle WRITE set_offset_circle CONSTANT)
 
 public:
   Toggle(QWidget* parent = nullptr);