/* * * Sample Code for Gtk+ Programming in C, 1st Edition, Prentice Hall * * Copyright 2000 - 2002 Syd Logan, All Rights Reserved * * This code is distributed without warranty. You are free to use this * code for any purpose, however, if this code is republished or * redistributed in its original form, as hardcopy or electronically, * then you must include this copyright notice along with the code. * * Questions or comments regarding this code or any bugs it contains can * be directed to the author via e-mail at slogan@cts.com **//* example-start menu itemfactory.c */#include <gtk/gtk.h>#include <strings.h>#include <time.h>GtkItemFactory *item_factory;static void print_hello( gpointer data, guint callback_action, GtkWidget *w ){	GtkWidget *myWidget;	printf( "widget is %x data is %s\n", w, data );	g_message ("Hello, World!\n");	myWidget = gtk_item_factory_get_widget (item_factory, "/File/New");	printf( "File/New is %x\n", myWidget );	gtk_item_factory_delete_item( item_factory, "/Edit" );}static void handle_option( gpointer data, guint callback_action, GtkWidget *w ){	GtkCheckMenuItem *checkMenuItem = (GtkCheckMenuItem *) w;	printf( "widget is %x data is %s\n", w, data );	g_message ("Hello, World!\n");}voidDestroyNotifyFunc( gpointer data ){	printf( "data is %x\n", data );	}static GtkItemFactoryEntry menu_items[] = { { "/Option1",  NULL,      handle_option, 1, NULL }, { "/Option2",  NULL,      handle_option, 2, NULL }, { "/Option3",  NULL,      handle_option, 3, NULL }, { "/Option4",  NULL,      handle_option, 4, NULL },};void get_main_menu( GtkWidget  *window, GtkWidget **menubar ){  GtkAccelGroup *accel_group;  gint nmenu_items = sizeof (menu_items) / sizeof (menu_items[0]);  GtkWidget *widget;  accel_group = gtk_accel_group_new ();  item_factory = gtk_item_factory_new (GTK_TYPE_MENU, "<main>", accel_group );  gtk_item_factory_create_items (item_factory, nmenu_items, menu_items, "foo");  gtk_accel_group_attach (accel_group, GTK_OBJECT (window));  if (menubar)    *menubar = gtk_item_factory_get_widget (item_factory, "<main>");  widget = (GtkWidget *) gtk_item_factory_from_widget( *menubar );  if ( widget == (GtkWidget *) item_factory )	  printf( "widget and item_factory are the same\n" );  else	  printf( "widget and item_factory are not the same\n" );}int main( int argc, char *argv[] ){  GtkWidget *window;  GtkWidget *main_vbox;  GtkWidget *menubar;  GtkWidget *optionMenu;   gtk_init (&argc, &argv);   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);  gtk_signal_connect (GTK_OBJECT(window), "destroy", 	  GTK_SIGNAL_FUNC (gtk_main_quit), "WM destroy");  gtk_window_set_title (GTK_WINDOW(window), "Item Factory");  gtk_widget_set_usize (GTK_WIDGET(window), 300, 200);   main_vbox = gtk_vbox_new (FALSE, 1);  gtk_container_border_width (GTK_CONTAINER (main_vbox), 1);  gtk_container_add (GTK_CONTAINER (window), main_vbox);  gtk_widget_show (main_vbox);   get_main_menu (window, &menubar);  optionMenu = gtk_option_menu_new();  gtk_option_menu_set_menu( GTK_OPTION_MENU( optionMenu ), menubar );  gtk_box_pack_start (GTK_BOX (main_vbox), optionMenu, FALSE, TRUE, 0);  gtk_widget_show (optionMenu);  gtk_widget_show (window);  gtk_main ();   return(0);}