/* * * 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 **/#include <gtk/gtk.h>static GtkWidget*make_tree (GtkWidget *window){  GtkWidget *list, *node;  GList *item_list = NULL;  list = gtk_list_new();  gtk_widget_show( list );  node = gtk_list_item_new_with_label("Great White Shark");  item_list = g_list_append( item_list, node );  node = gtk_list_item_new_with_label("Blue Banded Goby");  item_list = g_list_append( item_list, node );  node = gtk_list_item_new_with_label("Grunion");  item_list = g_list_append( item_list, node );  node = gtk_list_item_new_with_label("Stonefish");  item_list = g_list_append( item_list, node );  node = gtk_list_item_new_with_label("Leopard Shark");  item_list = g_list_append( item_list, node );  node = gtk_list_item_new_with_label("Thornback");  item_list = g_list_append( item_list, node );  node = gtk_list_item_new_with_label("Ochre Star");  item_list = g_list_append( item_list, node );  node = gtk_list_item_new_with_label("Sea Pen");  item_list = g_list_append( item_list, node );  node = gtk_list_item_new_with_label("Pacific Octopus");  item_list = g_list_append( item_list, node );  node = gtk_list_item_new_with_label("Sea Wasp");  item_list = g_list_append( item_list, node );  node = gtk_list_item_new_with_label("Sea Urchin");  item_list = g_list_append( item_list, node );  node = gtk_list_item_new_with_label("Gray Whale");  item_list = g_list_append( item_list, node );  node = gtk_list_item_new_with_label("Sea Otter");  item_list = g_list_append( item_list, node );  node = gtk_list_item_new_with_label("Bottlenose Dolphin");  item_list = g_list_append( item_list, node );  node = gtk_list_item_new_with_label("Killer Whale");  item_list = g_list_append( item_list, node );  gtk_list_insert_items( GTK_LIST( list ), item_list, 0 );    return list;}  main( argc, argv )int argc;char *argv[];{  GtkWidget *window, *tree, *vbox;    gtk_init( &argc, &argv );    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);  gtk_widget_show( window );  gtk_window_position(GTK_WINDOW (window), GTK_WIN_POS_CENTER);    gtk_signal_connect(GTK_OBJECT (window), "destroy",    GTK_SIGNAL_FUNC(gtk_widget_destroy), &window);    gtk_window_set_title(GTK_WINDOW (window), "GtkTree Sample");  gtk_container_border_width(GTK_CONTAINER (window), 0);    tree = make_tree(window);    vbox = gtk_vbox_new( FALSE, 0 );  gtk_container_add(GTK_CONTAINER (window), vbox);    gtk_box_pack_start( GTK_BOX( vbox ), tree, FALSE, FALSE, 0 );  gtk_widget_show_all( vbox );    gtk_main();}