Add Carousel::getSelection() method

radio/src/thirdparty/libopenui/src/carousel.cpp

@@ -25,10 +25,7 @@ void CarouselWindow::update()
   first = max(0, first);
   coord_t lastPosition = 0;
 
-  for (auto & item: items) {
-    item.front->detach();
-    item.back->detach();
-  }
+  detachItems();
 
   for (uint8_t index = first; lastPosition < width() && index < items.size(); index++) {
     auto & item = items[index];

radio/src/thirdparty/libopenui/src/carousel.h

@@ -47,6 +47,16 @@ class CarouselWindow: public Window {
     {
     }
 
+    ~CarouselWindow() override
+    {
+      detachItems();
+      // TODO memory leak here
+//      for (auto & item: items) {
+//        item.front->deleteLater();
+//        item.back->deleteLater();
+//      }
+    }
+
     void addItem(CarouselItem item)
     {
       items.emplace_back(item);
@@ -70,6 +80,14 @@ class CarouselWindow: public Window {
   protected:
     std::vector<CarouselItem> items;
 
+    void detachItems()
+    {
+      for (auto & item: items) {
+        item.front->detach();
+        item.back->detach();
+      }
+    }
+
     void update();
 };
 
@@ -104,6 +122,10 @@ class Carousel: public Window {
       nextButton->enable(index < (int)body->items.size() - 1);
     }
 
+    int getSelection()
+    {
+      return body->selection;
+    }
 
 #if defined(HARDWARE_KEYS)
     void onEvent(event_t event) override;