Move to settings page on settings button pressed

src/gui/ComboBox.cpp

@@ -40,6 +40,7 @@ namespace gsr {
 
             if(mgl::FloatRect(position, item_size).contains(mouse_pos)) {
                 show_dropdown = !show_dropdown;
+                move_to_top = true;
             } else {
                 show_dropdown = false;
             }

src/gui/Page.cpp

@@ -15,6 +15,14 @@ namespace gsr {
     }
 
     void Page::draw(mgl::Window &window) {
+        for(auto &widget : widgets) {
+            if(widget->move_to_top) {
+                widget->move_to_top = false;
+                std::swap(widget, widgets.back());
+            }
+            widget->draw(window);
+        }
+
         for(auto &widget : widgets) {
             widget->draw(window);
         }