Wt

#include <Wt/WLineEdit>

#include <Wt/WMenu>

#include <Wt/WMessageBox>

#include <Wt/WNavigationBar>

#include <Wt/WPopupMenu>

#include <Wt/WPopupMenuItem>

#include <Wt/WStackedWidget>

#include <Wt/WText>

#include <Wt/WServer>

#include <Wt/WApplication>

#include <Wt/WEnvironment>

#include <Wt/WContainerWidget>

#include <Wt/WBootstrapTheme>

#include <Wt/WHBoxLayout>

using namespace std;

using namespace Wt;

class App: public WApplication {

private:

  std::string appName;

public: 

	Wt::WContainerWidget* container;

  App(const WEnvironment &env): WApplication(env) {

    setTitle("Home");

    appName = "App";

		setTheme(new WBootstrapTheme());

    // Container widget into which we place navigation bar

		Wt::WContainerWidget *container = new Wt::WContainerWidget(root());

		// Create a navigation bar with a link to a web page.

		Wt::WNavigationBar *navigation = new Wt::WNavigationBar(container);

		navigation->setTitle("App, Inc.",

			"http://www.test.com");

		navigation->setResponsive(true);

    // Stacked widget into which we place menus - added to container

		Wt::WStackedWidget *contentsStack = new Wt::WStackedWidget(container);

		contentsStack->addStyleClass("contents");

		// Setup a Left-aligned menu and add to stack which has container as parent

		Wt::WMenu *leftMenu = new Wt::WMenu(contentsStack, container);

    // Add this menu to the navigation bar

		navigation->addMenu(leftMenu);

    // Create a textbox for display on Sales menu link action

		Wt::WText *searchResult = new Wt::WText("Buy or Sell... Bye!");

    // Add items to menu just added to nav bar with values determine in three ways:

    // Text object created on fly

		leftMenu->addItem("Home", new Wt::WText("There is no better place!"));

		// Text object created on fly with a hyperlink formatting

    leftMenu->addItem("Layout", new Wt::WText("Layout contents"))

			->setLink(Wt::WLink(Wt::WLink::InternalPath, "/layout"));

		// Text object used that has already been created

    leftMenu->addItem("Sales", searchResult);

    // Setup a Right-aligned menu.

    Wt::WMenu *rightMenu = new Wt::WMenu();

    navigation->addMenu(rightMenu, Wt::AlignRight);

    // Create a popup submenu for the Help menu.

    Wt::WPopupMenu *popup = new Wt::WPopupMenu();

    popup->addItem("Contents");

    popup->addItem("Index");

    popup->addSeparator();

    popup->addItem("About");

// start bug block

    popup->itemSelected().connect(std::bind([=] (Wt::WMenuItem *item) {

      Wt::WMessageBox *messageBox = new Wt::WMessageBox(

        "Help",

	      Wt::WString::fromUTF8("<p>Showing Help: {1}</p>").arg(item->text()),

	      Wt::Information, Wt::Ok

      );

      messageBox->buttonClicked().connect(std::bind([=] () {

	      delete messageBox;

      }));

      messageBox->show();

    }, std::placeholders::_1));

// end bug block

    Wt::WMenuItem *item = new Wt::WMenuItem("Help");

    item->setMenu(popup);

    rightMenu->addItem(item);

    // Add a Search control.

    Wt::WLineEdit *edit = new Wt::WLineEdit();

    edit->setEmptyText("Enter a search item");

    edit->enterPressed().connect(std::bind([=] () {

        leftMenu->select(2); // is the index of the "Sales"

        searchResult->setText(Wt::WString("Nothing found for {1}.")

			      .arg(edit->text()));

    }));

    navigation->addSearch(edit, Wt::AlignRight);

		container->addWidget(contentsStack);

    header();

    sidebar();

    footer();

	}

  void header()

  {

   WContainerWidget* header = new WContainerWidget(root());

   header->setId("header");

	 // header layout

   Wt::WHBoxLayout *hbox = new Wt::WHBoxLayout();

   header->setLayout(hbox);

   header->setMargin(5);

   Wt::WText *item = new Wt::WText("<h1>" + appName + "</h1>");

   item->setId("box");

   header->setStyleClass("hdr");

   hbox->addWidget(item);

  }

  void footer() 

  {

    WContainerWidget* footer = new WContainerWidget(root());

    footer->setId("footer");

    footer->addWidget(new WText("Under Construction"));

    footer->setMargin(5);

  }

  void sidebar() 

  {

    WContainerWidget* sidebar = new WContainerWidget(root());

    sidebar->setId("sidebar");

    sidebar->addWidget(new WText("Sidebar Information"));

    sidebar->setMargin(5);

  }

};

Wt::WApplication* createApplication(const Wt::WEnvironment &env) {    

	return new App(env);

}

int main(int argc, char** argv) {

	return Wt::WRun(argc, argv, &createApplication);

}