ui: Add toggle to hide notifications

config_spec.yml

@@ -133,6 +133,9 @@ display:
     show_menubar:
       type: bool
       default: true
+    show_notifications:
+      type: bool
+      default: true
     use_animations:
       type: bool
       default: true

ui/xui/main-menu.cc

@@ -314,6 +314,8 @@ void MainMenuDisplayView::Draw()
     SectionTitle("Interface");
     Toggle("Show main menu bar", &g_config.display.ui.show_menubar,
            "Show main menu bar when mouse is activated");
+    Toggle("Show notifications", &g_config.display.ui.show_notifications,
+           "Display notifications in upper-right corner");
 
     int ui_scale_idx;
     if (g_config.display.ui.auto_scale) {

ui/xui/notifications.cc

@@ -89,6 +89,10 @@ void NotificationManager::Draw()
 
 void NotificationManager::DrawNotification(float t, const char *msg)
 {
+    if (!g_config.display.ui.show_notifications) {
+        return;
+    }
+
     const float DISTANCE = 10.0f;
     static int corner = 1;
     ImGuiIO& io = ImGui::GetIO();