Beispiel #1
0
void SaveMenu::listKeyDown(Rocket::Core::Event& event)
{
   Rocket::Core::Input::KeyIdentifier key = static_cast<Rocket::Core::Input::KeyIdentifier>(event.GetParameter<int>("key_identifier", Rocket::Core::Input::KI_UNKNOWN));

   switch(key)
   {
      case Rocket::Core::Input::KI_UP:
      case Rocket::Core::Input::KI_DOWN:
      case Rocket::Core::Input::KI_RETURN:
         break;
      default:
         return;
   }

   Rocket::Core::Element* list = m_menuDocument->GetElementById("menu");
   if(list == nullptr)
   {
      return;
   }

   Rocket::Core::Element* child = list->GetFirstChild();
   while(child != nullptr)
   {
      if(child->IsClassSet("selected"))
      {
         break;
      }

      child = child->GetNextSibling();
   }

   if(child == nullptr)
   {
      return;
   }

   if(key == Rocket::Core::Input::KI_RETURN)
   {
      child->Click();
   }
   else if(key == Rocket::Core::Input::KI_UP)
   {
      Rocket::Core::Element* previousSibling = child->GetPreviousSibling();
      if(previousSibling != nullptr)
      {
         child->SetClass("selected", false /*activate*/);
         previousSibling->SetClass("selected", true /*activate*/);
      }
   }
   else if(key == Rocket::Core::Input::KI_DOWN)
   {
      Rocket::Core::Element* nextSibling = child->GetNextSibling();
      if(nextSibling != nullptr)
      {
         child->SetClass("selected", false /*activate*/);
         nextSibling->SetClass("selected", true /*activate*/);
      }
   }
}
Rocket::Core::Element* RocketMenuPlugin::FindNextItem(Rocket::Core::Element *menu_item) {
    Rocket::Core::Element *next = menu_item;
    do {
        next = next->GetNextSibling();
        if (next == NULL) {
            next = menu_item->GetParentNode()->GetChild(0);
        }
    } while (next->IsClassSet("disabled") && next != menu_item);
    return next;
}