Qt-UI add driver monitoring view in offroad (#20148)

* should work, need to test onroad

* reduce diff

* Update home.cc

Co-authored-by: Comma Device <device@comma.ai>
old-commit-hash: a53c361bd4

selfdrive/ui/qt/home.cc

@@ -160,7 +160,11 @@ void HomeWindow::setVisibility(bool offroad) {
 
 void HomeWindow::mousePressEvent(QMouseEvent* e) {
   UIState* ui_state = &glWindow->ui_state;
-
+  if (GLWindow::ui_state.started && GLWindow::ui_state.scene.frontview) {
+    Params().write_db_value("IsDriverViewEnabled", "0", 1);
+    return;
+  }
+  
   glWindow->wake();
 
   // Settings button click

selfdrive/ui/qt/offroad/settings.cc

@@ -28,6 +28,7 @@ QFrame* horizontal_line(QWidget* parent = 0){
   line->setFixedHeight(2);
   return line;
 }
+
 QWidget* labelWidget(QString labelName, QString labelContent){
   QHBoxLayout* labelLayout = new QHBoxLayout;
   labelLayout->addWidget(new QLabel(labelName), 0, Qt::AlignLeft);
@@ -150,6 +151,14 @@ QWidget * device_panel() {
   for (auto &l : labels) {
     device_layout->addWidget(labelWidget(QString::fromStdString(l.first), QString::fromStdString(l.second)), 0, Qt::AlignTop);
   }
+  
+  QPushButton* dcam_view = new QPushButton("Driver camera view");
+  device_layout->addWidget(dcam_view, 0, Qt::AlignBottom);
+  device_layout->addWidget(horizontal_line(), Qt::AlignBottom);
+  QObject::connect(dcam_view, &QPushButton::released, [=]() {
+    Params().write_db_value("IsDriverViewEnabled", "1", 1);
+  });
+
 
   // TODO: show current calibration values
   QPushButton *clear_cal_btn = new QPushButton("Reset Calibration");