Hide current speed in onroad UI

Added toggle to hide the current speed from the onroad UI and an additional function to enable/disable it by clicking on it via the onroad UI.

selfdrive/ui/qt/onroad.cc

@@ -105,8 +105,19 @@ void OnroadWindow::mousePressEvent(QMouseEvent* e) {
   // FrogPilot clickable widgets
   bool widgetClicked = false;
 
+  // Hide speed button
+  QRect hideSpeedRect(rect().center().x() - 175, 50, 350, 350);
+  bool isSpeedClicked = hideSpeedRect.contains(e->pos());
+
+  if (isSpeedClicked && scene.hide_speed_ui) {
+    bool currentHideSpeed = scene.hide_speed;
+
+    uiState()->scene.hide_speed = !currentHideSpeed;
+    params.putBoolNonBlocking("HideSpeed", !currentHideSpeed);
+
+    widgetClicked = true;
   // If the click wasn't for anything specific, change the value of "ExperimentalMode"
-  if (scene.experimental_mode_via_screen && e->pos() != timeoutPoint) {
+  } else if (scene.experimental_mode_via_screen && e->pos() != timeoutPoint) {
     if (clickTimer.isActive()) {
       clickTimer.stop();
 
@@ -533,7 +544,7 @@ void AnnotatedCameraWidget::drawHud(QPainter &p) {
   }
 
   // current speed
-  if (!(fullMapOpen || showDriverCamera)) {
+  if (!(scene.hide_speed || fullMapOpen || showDriverCamera)) {
     p.setFont(InterFont(176, QFont::Bold));
     drawText(p, rect().center().x(), 210, speedStr);
     p.setFont(InterFont(66));

selfdrive/ui/ui.cc

@@ -321,6 +321,8 @@ void ui_update_frogpilot_params(UIState *s) {
 
   bool quality_of_life_visuals = params.getBool("QOLVisuals");
   scene.full_map = quality_of_life_visuals && params.getBool("FullMap");
+  scene.hide_speed = quality_of_life_visuals && params.getBool("HideSpeed");
+  scene.hide_speed_ui = scene.hide_speed && params.getBool("HideSpeedUI");
 }
 
 void UIState::updateStatus() {

selfdrive/ui/ui.h

@@ -185,6 +185,8 @@ typedef struct UIScene {
   bool experimental_mode_via_screen;
   bool fps_counter;
   bool full_map;
+  bool hide_speed;
+  bool hide_speed_ui;
   bool lead_info;
   bool map_open;
   bool model_ui;