server.cc

支持组件模型CCM的开源中间件-mico

#include <CORBA.h>
#ifdef HAVE_ANSI_CPLUSPLUS_HEADERS
#include <iostream>
#else
#include <iostream.h>
#endif
#include <mico/gtkmico.h>
#include <gtk/gtk.h>
#include "hello.h"

GtkWidget *entry;
CORBA::Boolean finished = FALSE;

class MyCallback : public CORBA::DispatcherCallback {
public:
    void callback (CORBA::Dispatcher *disp, Event ev) 
    {
	gtk_entry_set_text (GTK_ENTRY (entry), "");
    }
};

class Hello_impl : virtual public POA_HelloWorld {
public:
    void hello (const char *s)
    {
	gtk_entry_set_text (GTK_ENTRY (entry), s);
    }
};

void
quit_cb (GtkWidget *w, gpointer data)
{
    finished = TRUE;
}

int
main (int argc, char *argv[])
{
    /*
     * MICO initialization
     */
    CORBA::ORB_var orb = CORBA::ORB_init(argc, argv);
    CORBA::Object_var obj = orb->resolve_initial_references("RootPOA");
    PortableServer::POA_var poa = PortableServer::POA::_narrow(obj);
    PortableServer::POAManager_var mgr = poa->the_POAManager();

    /*
     * GTK initialization
     */

    gtk_init (&argc, &argv);

    /*
     * Use GTK dispatcher
     */
    orb->dispatcher (new GtkDispatcher ());
    orb->dispatcher ()->tm_event (new MyCallback (), 5000);

    /*
     * MICO stuff
     */
    Hello_impl* hello = new Hello_impl();
    hello->_this();

    /*
     * GTK stuff
     */
    GtkWidget *window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    
    GtkWidget *vbox = gtk_vbox_new (FALSE, 0);
    gtk_container_add (GTK_CONTAINER (window), vbox);
    gtk_widget_show (vbox);

    // entry

    entry = gtk_entry_new ();
    gtk_entry_set_text (GTK_ENTRY(entry), "Text from client");
    gtk_box_pack_start (GTK_BOX (vbox), entry, FALSE, FALSE, 0);
    gtk_widget_show (entry);

    // quit button

    GtkWidget *button = gtk_button_new_with_label("quit");
    gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
    gtk_widget_show (button);

    gtk_signal_connect (GTK_OBJECT (button), "clicked",
			GTK_SIGNAL_FUNC (quit_cb), NULL);
    
    gtk_widget_show (window);

    mgr->activate();
    while(!finished) {
	orb->perform_work();
    }
    orb->shutdown(TRUE);
    return 0;
}