Wt

#include <Wt/WContainerWidget>
#include <Wt/WPushButton>
#include <Wt/WText>

using namespace Wt;

class MyApp : public WApplication
{
public:

    MyApp(const WEnvironment& env)
        : WApplication(env)
    {
        WPushButton* button = new WPushButton( "click to see alice", root() );
        button->clicked().connect( this, &MyApp::changePath );
        internalPathChanged().connect( this, &MyApp::handlePathChange );
    }

    void changePath() { setInternalPath( "/alice/", true ); }

    void handlePathChange( std::string path )
    {
        std::cout << "handlePathChange " << path << std::endl;
        new WText( path, root() );
    }
};

WApplication *createMyApplication(const WEnvironment& env)
{
    return new MyApp(env);
}

int main(int argc, char **argv)
{
    return WRun(argc, argv, &createMyApplication);
}