Qt-UI Close settings when screen turns off (#20117)

selfdrive/ui/qt/home.cc

@@ -144,6 +144,7 @@ HomeWindow::HomeWindow(QWidget* parent) : QWidget(parent) {
   layout->addWidget(home, 0, 0);
   QObject::connect(glWindow, SIGNAL(offroadTransition(bool)), this, SLOT(setVisibility(bool)));
   QObject::connect(glWindow, SIGNAL(offroadTransition(bool)), this, SIGNAL(offroadTransition(bool)));
+  QObject::connect(glWindow, SIGNAL(screen_shutoff()), this, SIGNAL(closeSettings()));
   QObject::connect(this, SIGNAL(openSettings()), home, SLOT(refresh()));
   setLayout(layout);
   setStyleSheet(R"(
@@ -241,8 +242,8 @@ void GLWindow::backlightUpdate() {
 
   if (!ui_state.awake) {
     brightness = 0;
+    emit screen_shutoff();
   }
-
   std::thread{set_backlight, brightness}.detach();
 }
 

selfdrive/ui/qt/home.hpp

@@ -28,6 +28,7 @@ public:
 
 signals:
   void offroadTransition(bool offroad);
+  void screen_shutoff();
 
 protected:
   void initializeGL() override;
@@ -85,6 +86,7 @@ public:
 signals:
   void offroadTransition(bool offroad);
   void openSettings();
+  void closeSettings();
 
 protected:
   void mousePressEvent(QMouseEvent* e) override;

selfdrive/ui/qt/window.cc

@@ -15,6 +15,7 @@ MainWindow::MainWindow(QWidget *parent) : QWidget(parent) {
   main_layout->setMargin(0);
   setLayout(main_layout);
   QObject::connect(homeWindow, SIGNAL(openSettings()), this, SLOT(openSettings()));
+  QObject::connect(homeWindow, SIGNAL(closeSettings()), this, SLOT(closeSettings()));
   QObject::connect(homeWindow, SIGNAL(offroadTransition(bool)), this, SLOT(offroadTransition(bool)));
   QObject::connect(settingsWindow, SIGNAL(closeSettings()), this, SLOT(closeSettings()));