Hello,

i am in the first steps exploring Wt. Here i try to use WNavigation bar. The 
code looks like this:
------------------ cut --------------------
#include <Wt/WApplication>
#include <Wt/WMenu>
#include <Wt/WNavigationBar>
#include <Wt/WPopupMenu>

using namespace Wt;

class NavApplication : public WApplication
{
public:
  NavApplication(const WEnvironment& env);
};

NavApplication::NavApplication (const WEnvironment& env)
: WApplication(env)
{
  WContainerWidget *container = new WContainerWidget(root ());
  root ()->addWidget (container);

  WNavigationBar *navigation = new WNavigationBar (container);
  navigation->setResponsive(true);
   navigation->setTitle ("Test", "http://dummy.loc";);

  WMenu *menu = new WPopupMenu;
  navigation->addMenu(menu);

  menu->addItem ("File");
  menu->addItem ("Edit");
}

WApplication *createApplication(const WEnvironment& env)
{
  return new NavApplication(env);
}

int main(int argc, char **argv)
{
  return WRun(argc, argv, &createApplication);
}
------------------ cut --------------------

But the output (using embedded http-server) looks loke the attached screen 
shot.

I expeced a navigation bar like seen in
   http://www.webtoolkit.eu/widgets/navigation/navigation-bar

with the menu options File and Edit.

Environment:
  OS: Linux
  Wt 3.3.3
  gcc 4.7.3
  Browser: Firefox, Konqueror

What am i missing ?

kind regards
  Petic
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