Move to id is size_t

tools/simulator_base.cpp

@@ -4,6 +4,7 @@ Simulator_base::Simulator_base(std::string name, std::chrono::milliseconds inter
     : QObject(parrent), m_name(name), m_timer(new QTimer(this)), m_interval(interval)
 {
     connect(m_timer, &QTimer::timeout, this, [this] { timer(); });
+    m_UI_items.reserve(50);
 }
 
 std::string Simulator_base::name() const
@@ -12,29 +13,10 @@ std::string Simulator_base::name() const
     return m_name;
 }
 
-bool Simulator_base::is_ui_id_unique(std::string id) const
-{
-    // Check if the UI name is unique
-    for (UI_item *item : m_UI_items)
-    {
-        if (item->id() == id)
-        {
-            return false;
-        }
-    }
-
-    return true;
-}
-
 void Simulator_base::add_UI_item(UI_item *item)
 {
     // Add a UI item to the simulator
-    if (is_ui_id_unique(item->id()) == false)
-    {
-        throw std::runtime_error("UI item id " + item->id() + " is not unique");
-    }
     connect(item, &UI_item::value_changed, this, [this] { emit sim_changed(); });
-    m_UI_items_map[item->id()] = item;
     m_UI_items.push_back(item);
 }
 
@@ -43,18 +25,22 @@ json Simulator_base::get_UI_items() const
     // Get the UI items
     json items;
     items["name"] = m_name;
-    for (UI_item *item : m_UI_items)
+    for (size_t i = 0; i < m_UI_items.size(); i++)
     {
-        items["UI_items"].push_back(item->to_json());
+        items["UI_items"].push_back(m_UI_items[i]->to_json(i));
     }
 
     return items;
 }
 
-UI_item *Simulator_base::get_UI_item(std::string id) const
+UI_item *Simulator_base::get_UI_item(size_t id) const
 {
-    // Get a UI item by id
-    return m_UI_items_map.at(id);
+    // Get a UI item by id using the list
+    if (id < m_UI_items.size())
+    {
+        return m_UI_items[id];
+    }
+    return nullptr;
 }
 
 void Simulator_base::run()