convert selected

move from string to index to reduce data size

UI/ui_combobox.cpp

@@ -49,20 +49,12 @@ std::string UI_combobox::selected_text() const
 void UI_combobox::from_json(const json &j)
 {
     UI_x_boxes::from_json(j);
-    std::string selected_str = j.at("selected");
-    for (size_t i = 0; i < m_options.size(); i++)
-    {
-        if (m_options[i] == selected_str)
-        {
-            m_selected = i;
-            break;
-        }
-    }
+    m_selected = j.at("selected");
 }
 
 json UI_combobox::to_json(size_t id) const
 {
     json j = UI_x_boxes::to_json(id);
-    j["selected"] = m_options[m_selected];
+    j["selected"] = m_selected;
     return j;
 }

UI/ui_combobox.hpp

@@ -14,8 +14,8 @@ class UI_combobox : public UI_x_boxes
                 QObject *parent = nullptr);
     UI_combobox(const json &j, QObject *parent = nullptr);
 
-    void set_selected(size_t selected);
-    void set_selected(std::string selected) override;
+    void set_selected(size_t selected) override;
+    void set_selected(std::string selected);
     size_t selected() const;
     std::string selected_text() const;
 

UI/ui_item.cpp

@@ -158,7 +158,7 @@ json UI_item::to_json(size_t id) const
 
 void UI_item::click() {};
 
-void UI_item::set_selected(std::string selected)
+void UI_item::set_selected(size_t selected)
 {
     UNUSED(selected);
 };

UI/ui_item.hpp

@@ -47,7 +47,7 @@ class UI_item : public QObject
     virtual json to_json(size_t id) const;
 
     virtual void click();
-    virtual void set_selected(std::string selected);
+    virtual void set_selected(size_t selected);
     virtual void set_value(double value);
     virtual void can_send(uint32_t id, uint8_t dlc, std::array<uint8_t, 8> payload);
     virtual void can_clear();